CN218060748U - Mechanical connecting piece for assembly type building and prefabricated part - Google Patents

Abstract

The utility model relates to the technical field of building accessories, and provides an assembly type mechanical connecting piece for buildings and a prefabricated part, wherein the assembly type mechanical connecting piece for buildings comprises at least one deflectable component, and the deflectable component comprises a threaded clamping joint, a connecting rod and a positioning locking piece; the clamping end of the threaded clamping joint is provided with an inner anti-disengaging blocking surface and an outer spherical cambered surface; the connecting rod comprises a rod body and an expanding head positioned at one axial end part of the rod body, the expanding head is provided with a butting surface butted with the inner anti-release blocking surface, one of the butting surface and the inner anti-release blocking surface is an inclined surface, and the other one of the butting surface and the inner anti-release blocking surface is a spherical surface; the positioning locking piece is arranged on the rod body, and an inner spherical cambered surface matched with the outer spherical cambered surface is arranged at one end of the positioning locking piece. The thread clamping joint and the connecting rod are connected reliably through the inner stop gear face and the butt face, and the positioning locking piece and the thread clamping joint are abutted to force the thread clamping joint to be in close contact with the connecting rod, so that the three are in continuous contact in the circumferential direction, and the tensile performance and the compression resistance are improved.

Description

Mechanical connecting piece for assembly type building and prefabricated part

Technical Field

The utility model relates to a building accessory technical field especially relates to an assembly type mechanical connecting piece and prefabricated component for building.

Background

With the rapid development of the fabricated building, the application range of the precast concrete member in the building field is wider and wider. Up to now, various problems still exist in the production, transportation and installation processes of the prefabricated parts. Among them, the problem of connecting the reinforcing bars of prefabricated parts has been a problem of much concern in the industry. Prefabricated components such as columns, beams and walls in the prefabricated building are transported to a construction site for installation after being poured in advance in a factory, and two steel bars corresponding to adjacent prefabricated components need to be butted.

Because of factory manufacturing errors, site construction errors, external force bending of the steel bars and the like, two steel bars corresponding to the parts between two adjacent prefabricated parts to be connected are not on the same straight line, the existing steel bar connection mode can meet the connection of two coaxial steel bars, but the tensile strength and the compressive strength are not ideal, the reliable connection of two non-coaxial steel bars cannot be adapted, and potential safety hazards exist to a certain extent.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an assembly type mechanical connecting piece and prefabricated component for building is applicable to two muscle materials reliable connections that the axial is not aligned.

In order to achieve the above object, the present invention provides an assembly type mechanical connector for construction, at least one deflectable assembly, the deflectable assembly including a threaded clamp joint, a connecting rod and a positioning lock member; the clamping end of the threaded clamping joint is provided with an inner anti-disengaging blocking surface and an outer spherical cambered surface; the connecting rod comprises a rod body and an expanded head positioned at one axial end part of the rod body, the expanded head is provided with an abutting surface abutting against the inner anti-release surface, one of the abutting surface and the inner anti-release surface is an inclined surface, and the other of the abutting surface and the inner anti-release surface is a spherical surface; the positioning locking piece is arranged on the rod body, and an inner spherical cambered surface matched with the outer spherical cambered surface is arranged at one end of the positioning locking piece.

Furthermore, the abutting surface is a spherical surface, and the inner anti-disengagement surface is an inclined surface; and/or, the joint end of screw thread joint is equipped with the opening, open-ended cross-sectional area is kept away from along the axial the direction of interior only keeping off the face increases gradually, the body of rod runs through the opening, the body of rod with form between the opening and dodge the clearance.

Further, the hardness of the abutting surface is greater than that of the inner anti-disengagement surface; and/or the screw joint end of the screw joint is provided with internal threads, or the screw joint end of the screw joint is provided with external threads; and/or the rod body is in threaded connection with the positioning locking piece, and the other end of the rod body in the axial direction extends out of the positioning locking piece and is provided with a threaded part; or one end part of the positioning locking piece is in threaded connection with the other end part in the axial direction of the rod body, and the other end part of the positioning locking piece is provided with a threaded connection part.

Furthermore, including two being connected the subassembly that can deflect, two the screw thread joint head is located two between the location locking part, two joint ends of screw thread joint head set up back to back, one of them on the subassembly that can deflect the overhead connecting portion that is equipped with of screw thread joint, connecting portion be used for with another the subassembly that can deflect the screw thread joint head is connected.

Further, the connecting part comprises a double-thread screw, and external threads are arranged at two axial end parts of the double-thread screw and are respectively in threaded connection with the internal threads of the threaded ends of the two threaded clamping joints, or the connecting part comprises an intermediate sleeve, and internal threads are arranged on the inner wall surfaces of two ends of the intermediate sleeve and are respectively in threaded connection with the external threads of the threaded ends of the two threaded clamping joints; or the connecting part comprises an internal thread arranged at the screwed end of one of the threaded clamping joints, and the screwed end of the other threaded clamping joint is provided with an external thread matched with the internal thread.

Furthermore, the rod body is in threaded connection with the positioning locking piece, and the other axial end of the rod body extends out of the positioning locking piece and is provided with a threaded part; or one end part of the positioning locking piece is in threaded connection with the other axial end part of the rod body, and the other end part of the positioning locking piece is provided with a threaded connection part; and/or the central axes of the two threaded joints are positioned on the same straight line.

Furthermore, the device comprises two connected deflectable assemblies, wherein the two positioning locking pieces are positioned between the two threaded clamping joints, two clamping ends of the two threaded clamping joints are arranged oppositely, one deflectable assembly is provided with a linking part, and the linking part is used for being connected with the other deflectable assembly.

Furthermore, the connecting part comprises a middle connecting piece, two ends of the middle connecting piece are respectively provided with a threaded part, the other axial ends of the two rod bodies correspondingly extend out of the two positioning locking pieces, and the other axial ends of the two rod bodies are respectively provided with connecting threads in threaded fit with the threaded parts, or the other axial ends of the two positioning locking pieces are provided with connecting threads in threaded fit with the threaded parts; or the joining part comprises an external thread arranged on the other axial end part of one rod body, and an internal thread hole in threaded fit with the external thread is arranged on the other axial end part of the other rod body; or the joint part comprises an external thread arranged on the other end part of one of the positioning locking pieces, and the other end part of the other positioning locking piece is provided with an internal thread hole matched with the external thread in a threaded manner.

Further, the screw joint end of the screw clamp joint is provided with internal threads, or the screw joint end of the screw clamp joint is provided with external threads; and/or the central axes of the two connecting rods are positioned on the same straight line.

Besides, the utility model also provides a prefabricated component, the atress muscle has been buried underground including prefabricated component, the end connection of atress muscle has mechanical connecting piece, mechanical connecting piece is one an assembly type mechanical connecting piece for building.

Compared with the prior art, the utility model discloses following beneficial effect has:

the clamping end of the threaded clamping joint is provided with an inner anti-disengaging blocking surface and an outer spherical cambered surface; the connecting rod comprises a rod body and an expanding head positioned at one axial end part of the rod body, the expanding head is provided with a butting surface butted with the inner anti-release blocking surface, one of the butting surface and the inner anti-release blocking surface is an inclined surface, and the other one of the butting surface and the inner anti-release blocking surface is a spherical surface; the positioning locking piece is arranged on the rod body, and an inner spherical cambered surface matched with the outer spherical cambered surface is arranged at one end of the positioning locking piece. Thereby screw thread joint and screw thread joint pass through sphere butt and force screw thread joint and connecting rod in close contact with, make between connecting rod and the screw thread joint, form continuous contact in week between screw thread joint and the location locking piece, improve tensile, compressive property. The screw thread joint can deflect relative to the connecting rod, and the effect of location locking piece is also can be in order to stabilize the connection state of screw thread joint and connecting rod with the continuous butt of screw thread joint in week at the state that the screw thread joint deflected, and then can adapt to the fault-tolerant connection of two muscle materials that the axial is not aligned.

The utility model provides a pair of prefabricated component contains aforementioned mechanical connecting piece for assembly type structure, therefore has the function the same with mechanical connecting piece for assembly type structure, in addition, the utility model provides a pair of prefabricated component still has the assembly efficiency height, whole atress advantage that the structure is good.

Drawings

Fig. 1 is a cross-sectional view of a fabricated construction mechanical connector according to a first embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is a cross-sectional view of a fabricated construction mechanical connector according to a second embodiment of the present invention;

fig. 4 is a cross-sectional view of another prefabricated construction mechanical connecting component according to a second embodiment of the present invention;

fig. 5 is a cross-sectional view of a fabricated construction mechanical connector according to a third embodiment of the present invention;

fig. 6 is a cross-sectional view of a prefabricated part according to a fourth embodiment of the present invention;

fig. 7 is a sectional view of a prefabricated part combination according to a fifth embodiment of the present invention;

fig. 8 is a cross-sectional view of another prefabricated part combination according to a fifth embodiment of the present invention.

In the drawings: a threaded bayonet 1; a clamping end 1a; a screw joint end 1b; an inner anti-slip stopper face 11; an outer spherical arc surface 12; an opening 13; a connecting rod 2; a rod body 21; an enlarged head 22; an abutting surface 221; a positioning lock member 3; an inner spherical arc surface 31; a double-ended screw 4; a torque application section 41; an intermediate connecting member 5; a deflectable assembly 10; a prefabricated member 100; a stress rib 101; a coupling nut 102; avoiding the gap X.

Detailed Description

In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.

In this document, terms such as "upper, lower, inner, and outer" are established based on positional relationships shown in the drawings, and the corresponding positional relationships may vary depending on the drawings, and therefore, the terms are not to be interpreted as absolute limitations on the scope of protection; moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

Example one

Referring to fig. 1 and 2, the fabricated construction machine connecting member provided in this embodiment includes a deflectable component 10, and in other embodiments, the fabricated construction machine connecting member includes more than two (including two) deflectable components 10, the deflectable component 10 includes a screw clamp joint 1, a connecting rod 2, and a positioning locking member 3, where the screw clamp joint 1 is a sleeve structure, two axial ends of the screw clamp joint 1 are respectively provided with a clamping end 1a and a screwing end 1b, the clamping end 1a of the screw clamp joint 1 is provided with an inner anti-disengagement surface 11 and an outer spherical arc surface 12, the connecting rod 2 includes a rod body 21 and an enlarged head 22 located at one axial end of the rod body 21, the enlarged head 22 has an abutting surface 221 abutting against the inner anti-disengagement surface 11, one of the abutting surface 221 and the inner anti-disengagement surface 11 is an inclined surface, and the other is a spherical surface; the positioning and locking member 3 is mounted on the rod body 21 and has an inner spherical surface 31 at one end thereof, which is adapted to the outer spherical surface 12. Thread joint 1 and connecting rod 2 are through interior stop face 11 and the butt face 221 butt of keeping off, connect reliably, thereby it forces thread joint 1 and connecting rod 2 in close contact with to fix a position locking piece 3 and thread joint 1 through the sphere butt for form continuous contact in circumference between connecting rod 2 and the thread joint 1, between thread joint 1 and the location locking piece 3, improve tensile, compressive property. Screw thread joint 1 can deflect relative connecting rod 2, and the effect of location locking piece 3 also can be in order to stabilize the connection state of screw thread joint 1 and connecting rod 2 with the continuous butt of screw thread joint 1 in the week at the state that screw thread joint 1 deflected, and then can adapt to the fault-tolerant connection of two muscle materials that the axial is unaligned for two muscle materials of disalignment are smoothly just normally connected with mechanical connecting piece, can adapt to actual construction scene better. Wherein the reinforcing material can be round steel, screw-thread steel, steel bar and the like.

Referring to fig. 1 and 2, the positioning and locking member 3 is sleeved on a portion of the rod body 21 extending out of the screw clamp 1 and abuts against the outer spherical surface 12 of the screw clamp 1 to ensure that the expansion head 22 is in close contact with the screw clamp 1, the rod body 21 and the positioning and locking member 3 can be in threaded connection, an external thread is arranged on the entire outer wall surface of the rod body 21, the positioning and locking member 3 is provided with an internal thread hole to match with the external thread of the rod body 21, and of course, other connection methods can be adopted, for example, after the position of the positioning and locking member 3 is adjusted, the positioning and locking member 3 and the rod body 21 can be directly and fixedly connected by welding, clamping, pin-jointing or hoop-jointing.

Referring to fig. 1, the minimum cross-sectional diameter of the enlarged head 22 is larger than the maximum outer diameter of the rod body 21, in this embodiment, the enlarged head 22 is integrally formed with the connecting rod 2, in other embodiments, the enlarged head 22 and the rod body 21 can be separately formed, and the enlarged head 22 and the rod body 21 are connected by screwing or clipping or welding or pin joint.

Referring to fig. 2, in the present embodiment, the abutting surface 221 is a spherical surface, the inner stop surface 11 is an inclined surface, the inner stop surface 11 is machined into an inclined surface when the screw clamp 1 is machined, when the connecting rod 2 is inserted into the screw clamp 1 and a portion of the rod body 21 extends out of the screw clamp 1 during assembly, the positioning locking member 3 is mounted on a portion of the rod body 21 extending out of the screw clamp 1 and abuts against the screw clamp 1, and when the screw clamp 1 is rotated relative to the positioning locking member 3, a portion of the screw clamp 1 contacting the enlarged head 22 is deformed by extrusion, so that a contact portion of the screw clamp 1 and the enlarged head 22 changes from the inclined surface into the spherical surface, and the screw clamp 1 abuts against the spherical surface of the enlarged head 22, so that the contact area of the screw clamp 1 and the enlarged head 22 is increased, and the two stressed ribs 101 are reliably and stably connected under different stress conditions after being abutted. And the threaded bayonet joint 1 can rotate smoothly relative to the connecting rod 2 to adapt to reliable connection of two ribs which are not aligned in the axial direction, and in order to enable the threaded bayonet joint 1 to be extruded and deformed more easily, the hardness of the abutting surface 221 is greater than that of the inner anti-disengagement blocking surface 11. Of course, in another embodiment, the abutting surface 221 may be an inclined surface, the inner stop surface 11 may be a spherical surface, and when the screw clamp 1 rotates relative to the positioning and locking member 3, a portion of the enlarged head 22 in contact with the screw clamp 1 is pressed and deformed, so that the portion of the enlarged head 22 in contact with the screw clamp 1 is changed from the inclined surface to the spherical surface, and the screw clamp 1 abuts against the spherical surface of the enlarged head 22, and in order to facilitate the pressing and deformation of the enlarged head 22, the hardness of the abutting surface 221 may be smaller than that of the inner stop surface 11.

Referring to fig. 1, the fastening end 1a of the screw fastening joint 1 is provided with an opening 13, the edge of the opening 13 is connected with the inner anti-disengagement surface 11, the cross-sectional area of the opening 13 is gradually increased along the axial direction away from the inner anti-disengagement surface 11, the rod body 21 penetrates through the opening 13, an avoidance gap X is formed between the rod body 21 and the opening 13, the avoidance gap X is arranged to expand the relative rotation range of the screw fastening joint 1 and the connecting rod 2, and the degree of freedom of the rotatable adjustment of the mechanical connecting piece can be improved. When the mechanical connector for the prefabricated building is used for connecting two stress bars 101 corresponding to two adjacent prefabricated parts 100, the screw connection end 1b of the screw clamping connector 1 can be connected with the stress bar 101 of one of the prefabricated parts 100, and the other end part in the axial direction of the rod body 21 or the other end part of the positioning locking piece 3 is connected with the stress bar 101 of the other prefabricated part 100.

Referring to fig. 8, when the threaded end 1b of the thread clamp 1 is connected to the stress bar 101 of one of the prefabricated parts 100, specifically, the threaded end 1b of the thread clamp 1 is provided with an internal thread for connecting the stress bar 101 having an external thread at an end thereof, the end of the stress bar 101 may be upset, and then the external thread is machined at the end of the stress bar 101, or the external thread may be directly machined without upsetting the end of the stress bar 101. Or, the screw joint end 1b of the screw clamp joint 1 is provided with an external thread for connecting the stress bar 101 with the adapting nut at the end part, wherein the adapting nut is provided with an internal thread hole matched with the external thread, the internal thread hole of the adapting nut is exposed on the pile end surface of the prefabricated component 100, the adapting nut and the stress bar 101 can be integrally formed, or the adapting nut and the stress bar 101 are separately formed, one end of the adapting nut is in screw joint or clamping connection with the end part of the stress bar 101, and the other end of the adapting nut is provided with an internal thread hole; or the threaded clamp connector 1 is connected with the stress bar 101 through a connecting rod, and two ends of the connecting rod are respectively in threaded connection with one axial end of the threaded clamp connector 1 and the end part of the stress bar 101.

Referring to fig. 6, when the tail of the rod 21 is connected to the stressed rib 101 of another prefabricated component 100, specifically, the rod 21 is screwed to the positioning locking member 3, and the other axial end of the rod 21 extends out of the positioning locking member 3 and is provided with a threaded portion, where the threaded portion may be an external thread or an internal thread hole, and when the threaded portion is an external thread, the whole outer wall surface of the rod 21 is provided with an external thread for connecting the stressed rib 101 having a connection nut 102 at the end thereof, where the connection nut 102 is provided with an internal thread hole matching the external thread, the connection nut 102 is formed separately from the stressed rib 101, the connection nut 102 is screwed or clamped to the end of the stressed rib 101, the connection nut 102 is embedded in the prefabricated component 100, and the end surface of the connection nut 102 is exposed on the pile end surface of the prefabricated component 100, so that the tail of the rod 21 is screwed to the internal thread hole of the connection nut 102, or the connection nut 102 and the stressed rib 101 may be integrally formed, specifically, the end of the stressed rib 101 is upset, and then the internal thread hole is processed to form the connection nut 102; of course, when the screw thread portion may also be an internal thread hole, the screw thread portion is used to connect the stress bar 101 whose end portion has an external thread, or the rod body 21 is connected with the stress bar 101 through a connecting rod, and two ends of the connecting rod are respectively screwed with the screw thread portion of the rod body 21 and the end portion of the stress bar 101.

Of course, it may also be that another tip of location locking piece 3 is connected with another prefabricated component 100's atress muscle 101, specifically, location locking piece 3 and another axial tip spiro union of the body of rod 21, the body of rod 21 is equipped with the external screw thread, a tip of location locking piece 3 is equipped with the internal thread hole with external screw-thread fit, another tip of location locking piece 3 is equipped with spiro union portion, spiro union portion can be internal thread hole or external screw thread, when spiro union portion is the internal thread hole, be used for connecting the tip to have the atress muscle 101 of external screw thread, when spiro union portion is the external screw thread, be used for connecting the tip to have the atress muscle 101 of switching nut, switching nut and atress muscle 101 integrated into one piece, or switching nut and atress muscle 101 separately shaping, the one end of switching nut and the tip joint or the spiro union of atress muscle, the other end of switching nut is equipped with the internal thread hole, or, location locking piece 3 is connected with atress muscle 101 through the connecting rod, the both ends of connecting rod respectively with the end spiro union portion of spiro union portion and atress muscle 101 spiro union.

The assembly process of the present embodiment is: pass another axial tip of the body of rod 21 of connecting rod 2 earlier through the opening 13 of screw thread joint 1, the enlarged footing 22 of connecting rod 2 is arranged in screw thread joint 1, install 3 overcoat in the body of rod 21 of location locking piece in the part that screw thread joint 1 was stretched out to the body of rod, location locking piece 3 and the body of rod 21 spiro union, and the interior spherical arc face 31 of location locking piece 3 and the 12 butt of outer spherical arc face of screw thread joint 1, thereby with connecting rod 2, screw thread joint 1, location locking piece 3 forms a whole, with the afterbody spiro union of the body of rod 21 to bury in advance on prefabricated component 100's coupling nut 102 through external installation instrument.

Example two

In the present embodiment, the same portions as those in the first embodiment are given the same reference numerals, and the same description is omitted.

Referring to fig. 3 and fig. 4, with respect to the first embodiment, the another fabricated construction mechanical connector provided in the present embodiment includes two connected deflectable components 10, where the two deflectable components 10 are the deflectable components 10 described in the first embodiment, connection relationships and respective structures between the threaded snap joints 1, the connecting rods 2, and the positioning locking members 3 are the same as those of the first embodiment, which are not described herein again, the two threaded snap joints 1 are located between the two positioning locking members 3, two snap joints 1a of the two threaded snap joints 1 are arranged back to back, and a connecting portion is provided on the threaded snap joint 1 on one deflectable component 10, and is used for connecting with the threaded snap joint 1 of the other deflectable component 10. The mechanical connection comprises two connected deflectable assemblies 10 which enable two angular rotations to be adjusted to flexibly accommodate the connection of two axially misaligned load carrying bars 101.

Referring to fig. 3, the connecting portion includes a double threaded screw 4, and both ends of the double threaded screw 4 are provided with external threads to be respectively screw-coupled with internal threads of screw coupling ends 1b of the two screw coupling fittings 1, thereby forming the two deflecting members 10 into an axially integrated structure. The distance between the two deflectable assemblies 10 can be conveniently adjusted through the double-end screw 4, the assembly is convenient, and the two deflectable assemblies are suitable for connection of two prefabricated parts 100 with a certain axial gap, so that the two adjacent prefabricated parts 100 can be butted according to a preset position, and the situation that the two adjacent prefabricated parts 100 are deviated after being butted is avoided. Preferably, the outer wall of the double-thread screw 4 is provided with a torque applying part 41, so that force is applied to rotate during assembly conveniently; the central axes of the two threaded clamping joints 1 and the central axis of the double-thread screw rod 4 are positioned on the same straight line, so that the force transmission effect is better, and the connection is reliable. Alternatively, referring to fig. 4, the connection portion includes an internal thread provided at the screw coupling end 1b of one of the screw clamps 1, and an external thread engaged with the internal thread is provided on an outer wall surface of the screw coupling end 1b of the other screw clamp 1. Or the connecting part comprises an intermediate sleeve, inner threads are arranged on the inner wall surfaces of two ends of the intermediate sleeve and are respectively screwed with the outer threads of the screwed ends 1b of the two threaded clamping joints 1. Of course, the structure of the connection portion is not limited to the above-mentioned cases, as long as the connection of the two screw nipples 1 can be achieved.

When the fabricated mechanical connector for a building provided by this embodiment is used to connect two corresponding stress bars 101 of two adjacent prefabricated components 100, the rod body 21 or the positioning locking member 3 of one deflectable assembly 10 is connected to the stress bar 101 of one of the prefabricated components 100, and the rod body 21 or the positioning locking member 3 of the other deflectable assembly 10 is connected to the stress bar 101 of the other prefabricated component 100.

Referring to fig. 3 and 7, when the other axial end of the rod 21 is used for connecting with the stressed rib 101, the other axial end of the rod 21 extends out of the positioning locking member 3 and is provided with a threaded portion, and the connection manner and the connection structure of the threaded portion and the stressed rib 101 are described in detail in the first embodiment, and therefore are not described again here. When the other end of location locking piece 3 is used for being connected with atress muscle 101, another tip of the axial of the body of rod 21 with the one end spiro union of location locking piece 3, another tip of the axial of the body of rod 21 is equipped with the external screw thread, the one end of location locking piece 3 be equipped with external screw thread complex internal thread hole, another tip of location locking piece 3 is equipped with spiro union portion, spiro union portion and atress muscle 101's connected mode and connection structure have detailed description in embodiment one, so no longer here is repeated.

Referring to fig. 4 and 7, the assembly process of the prefabricated construction mechanical connector of the present embodiment for connecting two prefabricated parts is as follows: firstly, a deflectable component 10 is connected with a stressed rib 101 of one prefabricated component 100, specifically, the other axial end part of a rod body 21 of a connecting rod 2 penetrates through an opening 13 of a threaded clamp joint 1, an expansion head 22 of the connecting rod 2 is arranged in the threaded clamp joint 1, a positioning locking piece 3 is sleeved on a part of the rod body 21 extending out of the threaded clamp joint 1, the positioning locking piece 3 is in threaded connection with the rod body 21, an inner spherical arc surface 31 of the positioning locking piece 3 is abutted against an outer spherical arc surface 12 of the threaded clamp joint 1, so that the connecting rod 2, the threaded clamp joint 1 and the positioning locking piece 3 form a whole, and then the other axial end part of the rod body 21 is in threaded connection with a connecting nut 102 pre-buried in the prefabricated component 100 through an external installation tool. And then connecting the other deflectable assembly 10 with the stress rib 101 of the other prefabricated member according to the steps, finally screwing the two ends of the double-threaded screw 4 into the two screwed ends 1b of the two threaded snap joints 1 respectively, and screwing the torque applying part 41 of the double-threaded screw 4 by an external mounting tool to enable the double-threaded screw 4 to extend into the screwed ends 1b by a preset depth, so that the assembling process of the two prefabricated members 100 is completed.

EXAMPLE III

In this embodiment, the same portions as those in the first and second embodiments are given the same reference numerals, and the same description is omitted.

Referring to fig. 5 and fig. 8, with respect to the first and second embodiments, the present embodiment provides another assembly type mechanical connecting element for a building, including two connected deflectable components 10, where the two deflectable components 10 are the deflectable components 10 described in the first embodiment, connection relationships among the threaded snap joints 1, the connecting rods 2, and the positioning locking members 3 and respective structures thereof are the same as those of the first embodiment, which is not described herein again, the two positioning locking members 3 are located between the two threaded snap joints 1, two snap ends 1a of the two threaded snap joints 1 are arranged opposite to each other, an engaging portion is arranged on one of the deflectable components 10, and is used for being connected to another deflectable component 10, and specifically, an engaging portion is arranged on the rod body 21 or the positioning locking member 3 of one of the deflectable components, and is used for being connected to the rod body 21 or the positioning locking member 3 of another deflectable component 10. The mechanical connection comprises two connected deflectable assemblies 10 which enable two angular rotations to be adjusted to flexibly accommodate the connection of two axially misaligned load carrying bars 101.

Referring to fig. 5, in the present embodiment, the engaging portion includes an intermediate connecting member 5, two ends of the intermediate connecting member 5 are respectively provided with a threaded portion, the other axial ends of the two rods 21 correspondingly extend out of the two positioning locking members 3, and the other axial ends of the two rods 21 are respectively provided with a connecting thread which is in threaded engagement with the threaded portion. The intermediate connecting piece 5 of this embodiment is a nut sleeve, the screw thread portion is an internal thread, correspondingly, the connecting thread is an external thread, wherein the whole outer wall surface of the rod body 21 is provided with an external thread, the distance between two deflectable assemblies 10 can be flexibly adjusted through the intermediate connecting piece 5, the distance between two deflectable assemblies 10 can be flexibly adjusted according to the axial gap between two adjacent prefabricated components 100, thereby ensuring that two adjacent prefabricated components 100 can be butted according to a preset position, and avoiding the situation that the two adjacent prefabricated components 100 are deviated after being butted. Preferably, the central axes of the two connecting rods 2 and the central axis of the middle connecting piece 5 are positioned on the same straight line, so that the force transmission effect is better and the connection is reliable; in other embodiments, the intermediate connection piece 5 is a stud and the threaded portion is an external thread, and correspondingly the connection thread is an internal thread. Or the middle connecting piece 5 is used for connecting the two positioning locking pieces 3, and connecting threads matched with the threads of the thread parts are arranged at the other ends of the two positioning locking pieces 3; or, the joining part includes an external thread provided on the axial other end of one of the rods 21, and an internal thread hole in threaded engagement with the external thread is provided on the axial other end of the other rod 21; or the joining part comprises an external thread arranged on the other end part of one positioning locking piece 3, and an internal thread hole matched with the external thread is arranged on the other positioning locking piece 3. Of course, the structure of the engaging portion is not limited to the above-mentioned example, as long as the connection of two rods 21 or the connection of two positioning locking members 3 or the connection of the rod 21 of one deflecting member 10 and the positioning locking member 3 of the other deflecting member 10 can be realized.

When the fabricated mechanical connector for buildings provided in this embodiment is used to connect two stress bars 101 corresponding to two adjacent prefabricated components 100, the stress bar 101 of each prefabricated component 100 is connected to the threaded end 1b of the threaded clamp 1 of a corresponding deflectable assembly 10, wherein the connection manner between the threaded end 1b of the threaded clamp 1 and the stress bar 101 is described in detail in the first embodiment, and therefore, no further description is given here.

Referring to fig. 5 and 8, the assembly process of the prefabricated construction mechanical connector of the present embodiment for connecting two prefabricated parts is as follows: firstly, respectively assembling two deflectable components 10, so that a connecting rod 2, a threaded clamp joint 1 and a positioning locking piece 3 of each deflectable component 10 form a whole, specifically, firstly, penetrating the other axial end part of a rod body 21 of the connecting rod 2 through an opening 13 of the threaded clamp joint 1, arranging an expansion head 22 of the connecting rod 2 in the threaded clamp joint 1, wherein the expansion head 22 is not abutted against an inner stop surface 11, externally mounting the positioning locking piece 3 on a part of the rod body 21 extending out of the threaded clamp joint 1, and screwing the positioning locking piece 3 with the rod body 21, wherein an inner spherical cambered surface 31 of the positioning locking piece 3 is abutted against an outer spherical cambered surface 12 of the threaded clamp joint 1, so that the connecting rod 2, the threaded clamp joint 1 and the positioning locking piece 3 form a whole; then, a nut socket is screwed to the other axial end of the rod body 21 of one of the deflectable assemblies 10, the nut socket is screwed to the other axial end of the rod body 21 of the other deflectable assembly 10, the two deflectable assemblies 10 are integrated into a whole, the two deflectable assemblies 10 integrated into a whole are placed between the two adjacent prefabricated members 100, the screwed end 1b of the screw clamp 1 of one of the deflectable assemblies 10 is screwed to the end of the stress rib 101 of one of the prefabricated members 100 until the abutting surface 221 abuts against the inner anti-disengagement surface 11, then the positioning lock 3 of one of the deflectable assemblies 10 is screwed to abut against the corresponding screw clamp 1, and finally the screwed end 1b of the screw clamp 1 of the other deflectable assembly 10 is screwed to the end of the stress rib 101 of the other prefabricated member 100 until the enlarged head 22 abuts against the inner anti-disengagement surface 11, and then the positioning lock 3 of the other deflectable assembly 10 is screwed to abut against the corresponding screw clamp 1, thereby completing the assembly process.

Example four

In this embodiment, the same portions as those in the first, second, and third embodiments are given the same reference numerals, and the same description is omitted.

Referring to fig. 6 to 8, with respect to the first, second, and third embodiments, this embodiment further provides a prefabricated component 100, the prefabricated component 100 is provided with a stress rib 101 inside, and a plurality of stress ribs 101 and stirrups are woven to form a rigid framework to enhance the stress strength of the two prefabricated components 100, where the prefabricated component 100 may be any prefabricated concrete component such as a prefabricated wall panel, a prefabricated floor slab, a prefabricated staircase, a prefabricated column, a prefabricated beam, and a prefabricated slab, an end of the stress rib 101 is connected to a mechanical connector, and the mechanical connector is any one of the first to third embodiments of a mechanical connector for assembly type building, so that when the prefabricated component 100 with the mechanical connector is connected to its adjacent prefabricated component 100, the adjacent two prefabricated components 100 meet the requirements of tensile strength and compression strength, and can meet the connection of two stress ribs 101 that are different in axis and correspond to the adjacent two prefabricated components 100. The end of the stress bar 101 can be connected to the screw joint end 1b of the screw clamp 1 or the other axial end of the rod body 21 or the other end of the positioning locking member 3, and the specific connection mode and connection structure are described in detail in the first embodiment, and therefore are not described herein again.

EXAMPLE five

In this embodiment, the same portions as those in the first, second, third and fourth embodiments are given the same reference numerals, and the same description is omitted.

Referring to fig. 7 and 8, with respect to the first, second, third, and fourth embodiments, the present embodiment further provides a prefabricated component combination, where the prefabricated component combination includes at least two prefabricated components 100, the prefabricated components 100 are internally provided with the stress bars 101, the stress bars 101 and the stirrups are woven to form a rigid framework, two corresponding stress bars 101 of two adjacent prefabricated components 100 are connected by a mechanical connector, where the mechanical connector is any one of the first to third embodiments, and can meet the connection requirement of two different axial stress bars 101 corresponding to two adjacent prefabricated components 100, so that the connection strength between two adjacent prefabricated components 100 meets the requirement of tensile strength.

At least some of the technical implementations of the first to fifth embodiments can be combined or replaced without departing from the spirit and technical scope of the present invention.

It is right above the utility model provides an assembly type mechanical connecting piece for building and prefabricated component have carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the core concepts of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. A fabricated construction machine attachment, comprising: at least one deflectable assembly, said deflectable assembly comprising a threaded bayonet, a connecting rod, and a positioning detent; the clamping end of the threaded clamping joint is provided with an inner anti-disengaging blocking surface and an outer spherical cambered surface; the connecting rod comprises a rod body and an expanding head positioned at one axial end part of the rod body, the expanding head is provided with a butting surface which is butted with the inner anti-disengagement blocking surface, one of the butting surface and the inner anti-disengagement blocking surface is an inclined surface, and the other of the butting surface and the inner anti-disengagement blocking surface is a spherical surface; the positioning locking piece is arranged on the rod body, and an inner spherical cambered surface matched with the outer spherical cambered surface is arranged at one end of the positioning locking piece.

2. The mechanical connector for assembly type building as claimed in claim 1, wherein the abutting surface is a spherical surface, and the inner anti-disengagement surface is an inclined surface;

and/or, the joint end of screw thread joint is equipped with the opening, open-ended cross-sectional area is kept away from along the axial the direction of interior only keeping off the face increases gradually, the body of rod runs through the opening, the body of rod with form between the opening and dodge the clearance.

3. A fabricated construction mechanical connector as claimed in claim 1 or 2, wherein the abutment surface has a hardness greater than that of the inner anti-slip surface;

and/or the screw joint end of the screw joint is provided with internal threads, or the screw joint end of the screw joint is provided with external threads;

and/or the rod body is in threaded connection with the positioning locking piece, and the other axial end of the rod body extends out of the positioning locking piece and is provided with a threaded part; or one end part of the positioning locking piece is in threaded connection with the other axial end part of the rod body, and the other end part of the positioning locking piece is provided with a threaded connection part.

4. An assembled building mechanical connector as claimed in claim 1 or 2, which includes two connected deflectable assemblies, two threaded connectors located between the two positioning locking members, two fastening ends of the two threaded connectors facing away from each other, wherein a connecting portion is provided on the threaded connector of one deflectable assembly, and the connecting portion is adapted to connect with the threaded connector of the other deflectable assembly.

5. An assembled mechanical connector for building use as claimed in claim 4, wherein the connecting part comprises a double-threaded screw, both axial ends of the double-threaded screw are provided with external threads to be screwed with the internal threads of the screwed ends of the two screw snap joints, respectively, or the connecting part comprises an intermediate sleeve, and the inner wall surfaces of both ends of the intermediate sleeve are provided with internal threads to be screwed with the external threads of the screwed ends of the two screw snap joints, respectively; or the connecting part comprises an internal thread arranged at the screw joint end of one of the screw clamping joints, and the screw joint end of the other screw clamping joint is provided with an external thread matched with the internal thread.

6. An assembled mechanical connector for building use as set forth in claim 5, wherein said rod body is threadedly engaged with said positioning and locking member, and the other axial end portion of said rod body extends out of said positioning and locking member and is provided with a threaded portion; or one end part of the positioning locking piece is in threaded connection with the other axial end part of the rod body, and the other end part of the positioning locking piece is provided with a threaded connection part;

and/or the central axes of the two threaded joints are positioned on the same straight line.

7. An assembly type construction machinery connecting part according to claim 1 or 2, which comprises two connected deflectable assemblies, two positioning locking members are located between two threaded snap connectors, two snap ends of the two threaded snap connectors are arranged oppositely, one of the deflectable assemblies is provided with an engaging part, and the engaging part is used for connecting with the other deflectable assembly.

8. An assembled construction machine connector as claimed in claim 7, wherein the engagement portion comprises an intermediate connector, both ends of the intermediate connector are respectively provided with a threaded portion, the other axial ends of the two rods correspondingly extend out of the two positioning locking members, the other axial ends of the two rods are respectively provided with a connecting thread engaged with the threaded portion, or the other axial ends of the two positioning locking members are provided with a connecting thread engaged with the threaded portion; or the joining part comprises an external thread arranged on the other axial end part of one of the rod bodies, and an internal thread hole in threaded fit with the external thread is arranged on the other axial end part of the other rod body; or the joint part comprises an external thread arranged on the other end part of one of the positioning locking pieces, and the other end part of the other positioning locking piece is provided with an internal thread hole matched with the external thread in a threaded manner.

9. The fabricated construction machine connector according to claim 7, wherein the screw-coupling end of the screw clip is provided with an internal thread, or the screw-coupling end of the screw clip is provided with an external thread;

and/or the central axes of the two connecting rods are positioned on the same straight line.

10. A prefabricated element, characterized in that it comprises: the prefabricated part is embedded with a stress rib, the end part of the stress rib is connected with a mechanical connecting piece, and the mechanical connecting piece is the assembling type mechanical connecting piece for the building as claimed in any one of claims 1-9.

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