CN220628820U

CN220628820U - Cable fixing device

Info

Publication number: CN220628820U
Application number: CN202322272659.XU
Authority: CN
Inventors: 耿波; 何佳; 季林山; 郑晓凤
Original assignee: Electric Engineering Co Ltd of China Railway First Engineering Group Co Ltd
Current assignee: Electric Engineering Co Ltd of China Railway First Engineering Group Co Ltd
Priority date: 2023-08-23
Filing date: 2023-08-23
Publication date: 2024-03-19
Anticipated expiration: 2033-08-23

Abstract

The utility model relates to the technical field of cable fixation, and is suitable for subway annunciators. A cable fixing device comprises a base shell, an upper cover body and a supporting shell; the base shell comprises a signal lamp base, and a bottom plate of the signal lamp base extends outwards to form a wire fixing bottom plate; a supporting shell is fixedly connected above the signal lamp base; the wire fixing bottom plate is clamped with the upper cover body; the wire fixing bottom plate is provided with a plurality of threaded holes for connecting the wire fixing structure; the wire fixing structure is provided with a first through hole and a second through hole which are perpendicular to each other, and comprises an upper clamping piece and a lower clamping piece which are clamped with each other. The wire fixing bottom plate is provided with a plurality of threaded holes, so that the positions of all wire fixing machines can be flexibly adjusted, and the wire fixing bottom plate is suitable for fixing positions of cables and fixing the number of wires under different conditions; the first through holes and the second through holes which are perpendicular to each other are respectively formed in each wire fixing structure, and the wire fixing structure is suitable for cables which are straight or turn right angles; by increasing or decreasing the number of the wire fixing structures, an increase or decrease in the number of cables can be satisfied.

Description

Cable fixing device

Technical Field

The utility model relates to the technical field of cable fixing, in particular to a cable fixing device suitable for a subway signal machine.

Background

At present, the existing subway signal machine is required to be powered by extending a plurality of cables and external power, so that the subway signal machine is normal in usability. The patent with the bulletin number of CN212231025U discloses a cable fixing device for a subway signal machine, an opening limiting sleeve is sleeved on a cable, then an upper clamping plate and a lower clamping plate are mutually clamped and assembled, the opening limiting sleeve sleeved on the cable is arranged between a lower wire slot and an upper wire slot, then a wire clamping assembly is inserted into an inserting slot on the inner wall of the wire connecting slot, and finally an upper cover plate is covered, so that the cable is clamped in a wire penetrating slot formed in the upper cover plate.

The cable fixing device for a subway signal machine in the prior art is used for fixing a cable clamping assembly of a plurality of cables, the plurality of cables are fixed on one cable clamping assembly, and when one or a plurality of cables need to be moved during maintenance or adjustment, the same cable clamping assembly is not moved at the same time, the cable fixing device is not applicable any more. In addition, the cable fixing device can extend from one side surface, so that the cable fixing device is inconvenient to use when wiring to a plurality of side surfaces is needed.

Disclosure of Invention

The utility model aims to overcome the defects that the fixing mode of the cable fixing device for the subway signal machine in the prior art is inconvenient for moving or adjusting one or a plurality of cables, and the cable fixing device can extend out from different side surfaces and has limited application range.

A cable fixing device comprises a base shell, an upper cover body and a supporting shell;

the base shell comprises a signal lamp base, and a bottom plate of the signal lamp base extends outwards to form a wire fixing bottom plate; a supporting shell is fixedly connected above the signal lamp base; the wire fixing bottom plate is clamped with the upper cover body;

the wire fixing bottom plate is provided with a plurality of threaded holes for connecting the wire fixing structure; the wire fixing structure is provided with a first through hole and a second through hole which are perpendicular to each other, and comprises an upper clamping piece and a lower clamping piece which are mutually clamped;

and each side surface of the upper cover body is provided with a through hole for penetrating through the cable.

Further, the lower clamping piece comprises a screw rod matched with the threaded hole and a lower clamping piece body fixedly connected above the screw rod; the lower clamping piece body is provided with a first lower through hole and a second lower through hole which are perpendicular to each other; the lower clamping piece body is also provided with a first clamping groove and a second clamping groove which are only perpendicular to each other.

Further, the upper clamping piece is provided with a first upper through hole and a second upper through hole which are perpendicular to each other, and the lower end face of the upper clamping piece is provided with a first raised line and a second raised line which are respectively matched with the first clamping groove and the second clamping groove.

Further, the first upper through hole and the first lower through hole form a first through hole, and the second upper through hole and the second lower through hole form a second through hole.

Further, the first clamping groove and the second clamping groove are respectively provided with two clamping grooves; the two first clamping grooves are distributed on two sides of the first lower through hole, and the two second clamping grooves are distributed on two sides of the second lower through hole.

Further, when the first raised strips and the second raised strips are embedded into the two first clamping grooves, the cable is applicable to being laid along the long-side direction of the wire fixing bottom plate;

when the first raised strips and the second raised strips are embedded into the two second clamping grooves, the cable fixing device is suitable for being laid along the short side direction of the wire fixing bottom plate.

Further, the upper end face of the base shell is provided with a threading hole.

Further, the upper cover body comprises a top surface and three side surfaces, and one side of the upper cover body facing the signal lamp base is not provided with the side surfaces.

Further, the top surface of the upper cover body is provided with a transparent window.

Further, a sliding groove body is formed in the inner wall of the side face of the upper cover body and is used for being clamped on the wire fixing bottom plate; correspondingly, the side of the wire fixing bottom plate is provided with a fixing convex strip matched with the sliding groove body and used for being clamped with the upper cover body.

Furthermore, one side of the wire fixing bottom plate and one side of the signal lamp base are respectively provided with a connecting lug for being fixed on the ground.

Compared with the prior art, the utility model has the beneficial effects that:

the cable fixing device is characterized in that the cable fixing bottom plate is provided with a plurality of threaded holes, so that the positions of all the cable fixing mechanisms can be flexibly adjusted, and the cable fixing device is suitable for fixing positions of cables and fixing the number of cable lines under different conditions; the first through hole and the second through hole which are perpendicular to each other are respectively formed in each wire fixing structure, so that the wire fixing device is suitable for wires which are arranged in a straight line direction or in a right angle turn, and can be suitable for fixing the wires which are arranged in the straight line direction or for fixing the wires which are in a right angle turn to the left side or the right side. In the cable connection or subsequent overhaul of the subway signal machine, the fixed position of the cable can be adjusted by moving the cable fixing structure, and the number of the cables can be increased or reduced by increasing or reducing the number of the cable fixing structures.

Further, the wire fixing structure adopts an upper clamping piece and a lower clamping piece which are mutually clamped, the lower clamping piece is provided with two lower through holes which are mutually vertically arranged and two clamping grooves which are mutually vertically arranged, so that the wire fixing structure can meet the arrangement and fixation of a wire in a straight line direction or a right angle turn; after the cable is placed into the first lower through hole or the second lower through hole of the lower clamping piece in the required direction, the direction of the upper clamping piece is adjusted so that the two raised strips which are still seen are parallel to the cable direction of the second half section, and then the two raised strips of the upper clamping piece slide into the clamping grooves corresponding to the lower clamping piece, so that the cable is fixed.

Further, the transparent window on the top surface of the upper cover body is convenient for a worker to check the condition of the cable.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic view of the overall structure of a cable fixing device in the embodiment.

Fig. 2 is an exploded view of the cable fixture of the embodiment.

Fig. 3 is an exploded view of another angle of the cable fixture of the embodiment.

Fig. 4 is a schematic structural view of the fixing base plate in the embodiment.

Fig. 5 is a schematic structural diagram of a wire fixing structure in an embodiment.

Fig. 6 is an exploded view of the wire fixing structure in the embodiment.

FIG. 7 is an exploded view of another angle of the wire fixing structure in an embodiment.

Fig. 8 is a schematic diagram of a wire fixing structure for fixing in the embodiment.

In the figure: 1. an upper cover; 11. a through hole; 12. a transparent window; 13. a sliding groove body; 14. a handle; 2. a supporting chassis; 21. screw hole buckles; 22. a protection plate; 23. a signal lamp; 24. an arc baffle; 3. a signal lamp base; 31. a threading hole; 4. a wire fixing bottom plate; 41. a threaded hole; 42. fixing the convex strips; 5. a wire fixing structure; 51. an upper clamping piece; 511. a first upper through hole; 512. a second upper through hole; 513. a first protruding strip; 514. a second protruding strip; 52. a lower clamping piece; 521. a screw; 522. a lower clamp body; 523. a first lower through hole; 524. a second lower through hole; 525. a first clamping groove; 526. a second clamping groove; 527. fixing the edge; 6. and a connecting lug.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment provides a cable fixing device which is suitable for a subway signal machine. The cable fixing device in this embodiment, as shown in fig. 1 to 4, includes a base housing, an upper cover 1, and a support chassis 2. Wherein, the base shell includes signal lamp base 3, and signal lamp base 3 top rigid coupling has the support casing 2, and the bottom plate of signal lamp base 3 outwards extends and forms solidus bottom plate 4, solidus bottom plate 4 and upper cover body 1 joint. The wire fixing bottom plate 4 is provided with a plurality of threaded holes 41, the threaded holes are used for connecting the wire fixing structure 5, and the distance between the threaded holes 41 is the same, namely the threaded holes 41 are arranged at equal intervals; the wire fixing structure 5 is provided with a first through hole and a second through hole which are perpendicular to each other, and can fix cables in different two directions.

In this embodiment, as shown in fig. 1-3, the lower part of the supporting casing 2 is fixedly connected to the upper end surface of the signal lamp base 3 through a screw hole buckle 21, a threading hole 31 is further formed on the top surface of the signal lamp base 3, and after the cable connected with the signal lamp 23 passes through the threading hole 31, the cable is fixed through the fixing structure 5 and then is connected with other external devices. The side wall of the supporting shell 2 facing to the right front is embedded and connected with signal lamps 23, and an arc baffle 24 is fixedly connected above each signal lamp 23 to protect the signal lamp 23; and a protection plate 22 is arranged at the top of the supporting casing 2 to protect the supporting casing.

Specifically, the wire fixing structure 5 in the present embodiment includes an upper clip member 51 and a lower clip member 52 that are clip-connected to each other. As shown in fig. 5 to 7, the lower clip 52 includes a screw 521 that is matched with the threaded hole 41 and a lower clip body 522 that is fixedly connected above the screw 521; the lower clamp body 522 is provided with a first lower through hole 523 and a second lower through hole 524 which are mutually perpendicular; the lower clip body 522 is further provided with a first clip groove 525 and a second clip groove 526 which are only perpendicular to each other.

The upper clamping piece 51 is provided with a first upper through hole 511 and a second upper through hole 512 which are perpendicular to each other, and the lower end surface of the upper clamping piece 51 is provided with a first raised line 513 and a second raised line 514 which are respectively matched with the first clamping groove 525 and the second clamping groove 526.

Wherein the first upper through hole 511 and the first lower through hole 523 constitute a first through hole, and the second upper through hole 512 and the second lower through hole 524 constitute a second through hole. More specifically, the first clamping grooves 525 and the second clamping grooves 526 are respectively provided with two first clamping grooves 525 and two second clamping grooves 526, wherein the two first clamping grooves 525 are distributed on two sides of the first lower through hole 523, and the two second clamping grooves 526 are distributed on two sides of the second lower through hole 524.

When the first protruding strips 513 and the second protruding strips 514 are embedded into the two first clamping grooves 525, the cable is suitable for being laid along the long side direction of the wire fixing base plate 4. When the first protruding strip 513 and the second protruding strip 514 are embedded in the two second clamping grooves 526, the cable is suitable for being laid along the short side direction of the wire fixing base plate 4. Due to the design of the two convex strips in the upper clamping piece 51 and the clamping grooves in the lower clamping piece 52 which are mutually perpendicular, the cable extending in the straight line direction can be laid and fixed, and the cable which is required to turn right or left can be laid and fixed. In this embodiment, the screw 521 that is adapted to the threaded hole 41 of the wire fixing base plate 4 is disposed at the bottom of the wire fixing structure 5, so that the cable can be fixed according to the actual cable layout position. In the cable connection or subsequent overhaul of the subway signal machine, the fixed position of the cable can be adjusted by moving the cable fixing structure 5, and the number of the cables can be increased or reduced by increasing or reducing the number of the cable fixing structures. When the extending position or extending direction of the cable needs to be adjusted, the upper clamping piece 51 of the fixing structure 5 is pulled out, the cable is removed from the through hole of the lower clamping piece 52, the lower clamping piece 52 is screwed at the moment, the fixing structure 5 is taken down, the fixing structure is installed at the adjusted position, the lower clamping piece 52 is screwed into the threaded hole 41 of the fixing base plate, the first lower through hole 523 of the lower clamping piece 52 is parallel to the long side of the fixing base plate 4, the cable is placed into the first lower through hole 523 or the second lower through hole 524 again at the moment, and the upper clamping piece 51 is correspondingly installed according to the new layout direction of the cable.

The wire fixing structure 5 adopts an upper clamping piece 51 and a lower clamping piece 52 which are mutually clamped, wherein the lower clamping piece 52 is provided with two lower through holes which are mutually vertically arranged and two clamping grooves which are mutually vertically arranged, so that the wire fixing structure can meet the arrangement and fixation of a wire in a straight line direction or a right angle turn; after the cable is put into the first lower through hole or the second lower through hole of the lower clamping piece according to the required direction, the direction of the upper clamping piece is adjusted so that the two raised lines which are still seen are parallel to the cable direction of the second half section, and then the two raised lines of the upper clamping piece 51 slide into the corresponding clamping grooves of the lower clamping piece 52 to form the fixation of the cable; and is convenient for adjusting and moving the cable of the subway signal machine. The wire fixing bottom plate 4 is provided with a plurality of threaded holes, so that the positions of the wire fixing mechanisms can be flexibly adjusted, and the wire fixing bottom plate is suitable for fixing positions of cables and fixing the number of lines of the cables under different conditions; the first through hole and the second through hole which are perpendicular to each other are respectively formed in each wire fixing structure, so that the wire fixing device can be suitable for fixing cables which are arranged along a straight line direction and also suitable for fixing cables which turn right angles to the left side or the right side.

In order to further strengthen the stability of the fixing structure 5 after being screwed into the fixing base plate 4, a fixing edge 527 is further arranged at the bottom end of the lower clamping member body 522, as shown in fig. 8, holes are respectively formed on each positive side of the fixing edge 527, corresponding fixing holes are formed in corresponding positions of the fixing base plate, after the fixing structure 5 is screwed into the fixing base plate 4, the holes of the fixing edge of the fixing structure are coincident with the fixing holes of the fixing base plate, and the fixing structure is firmly fixed by bolts.

Specifically, the upper cover 1 in this embodiment includes a top surface and three side surfaces, and as shown in fig. 1 to 3, the side of the upper cover 1 facing the signal lamp base 3 is not provided with the side surfaces. Through holes 11 are formed in each side of the upper cover 1 for penetrating the cables. A transparent window 12 is arranged on the top surface of the upper cover body 1, so that a worker can conveniently check the condition of the cable.

More specifically, the inner walls of the two opposite side surfaces of the upper cover body 1 are provided with sliding groove bodies 13 for being clamped on the wire fixing bottom plate 4. Two opposite sides of the wire fixing bottom plate 4 are provided with fixing convex strips 42 for being clamped on the upper cover body 1. A handle 14 is also arranged on one side surface of the cover body, so that the upper cover body 1 can be conveniently pulled.

In this embodiment, a connecting ear 6 is further disposed on one side of the wire fixing base plate 4 and one side of the signal lamp base 3, respectively, for fixing the cable fixing device on the ground.

It is worth to say that a rubber water stop strip is arranged at the contact position of the upper cover body 1 and the signal lamp base 3; the part of the upper cover body 1, which is contacted with the fixed base 4, is also provided with a rubber water stop strip, so that water at the bottom is prevented from penetrating into the device. A rubber water stop is also provided at the junction of the upper cover 1 and the fixed bottom plate 4 via the sliding groove 13 and the fixed protruding strips 42, and the rubber water stop at the junction is set so as not to affect the mutual clamping of the sliding groove 13 and the fixed protruding strips 42.

In the cable fixing device provided in this embodiment, when in use, the cable laying position is determined according to the connection design drawing of the cable, then the specific position of the fixing structure 5 is determined according to the blue line laying position, each lower clamping piece 52 is fixed on the fixing bottom plate 4, each cable is placed on the lower through hole of the lower clamping piece one by one, then the upper clamping piece 51 is clamped on the lower clamping piece 52, the upper cover body 1 is covered, and the cable extends out along the through hole 11 of the upper cover body 1.

In the cable fixing device provided in this embodiment, when the cable extends out of the through hole of the upper cover 11 in a straight line manner during use, the structure of the clamping connection between the fixing base plate 4 and the upper cover 1 is set as described above, the opposite sides of the fixing base plate 4 are provided with the fixing convex strips 42, and the inner walls of the opposite sides of the corresponding upper cover 1 are provided with the sliding groove bodies 13, so that the upper cover 1 can be detachably mounted on the fixing base plate 4. When the cable stretches out the upper cover body through hole with the mode of right angle bending line, the side adjacent to the side of stretching out the cable of upper cover body is provided with the sliding groove body, and this side of corresponding PMKD is provided with fixed sand grip, and the top and the bottom of the other side of upper cover body are provided with the spout respectively, and the position that corresponds also is provided with fixed sand grip, and upper cover body 1 body is connected through the joint mode promptly to upper cover body and PMKD are also connected through the joint mode.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A cable fixing device comprises a base shell, an upper cover body (1) and a supporting shell (2); the base shell is characterized by comprising a signal lamp base (3), wherein a bottom plate of the signal lamp base (3) extends outwards to form a wire fixing bottom plate (4); a supporting machine shell (2) is fixedly connected above the signal lamp base (3); the wire fixing bottom plate (4) is clamped with the upper cover body (1);

the wire fixing bottom plate (4) is provided with a plurality of threaded holes (41) for connecting the wire fixing structure (5); the wire fixing structure (5) is provided with a first through hole and a second through hole which are perpendicular to each other, and the wire fixing structure (5) comprises an upper clamping piece (51) and a lower clamping piece (52) which are mutually clamped;

through holes (11) are formed in the side faces of the upper cover body (1) and used for penetrating through cables.

2. The cable fixing device according to claim 1, wherein the lower clip (52) comprises a screw (521) fitted with the threaded hole (41), a lower clip body (522) fixedly connected above the screw (521); the lower clamping piece body (522) is provided with a first lower through hole (523) and a second lower through hole (524) which are mutually perpendicular; the lower clamping piece body (522) is also provided with a first clamping groove (525) and a second clamping groove (526) which are only mutually perpendicular.

3. The cable fixing device according to claim 2, wherein the upper clamping member (51) is provided with a first upper through hole (511) and a second upper through hole (512) which are perpendicular to each other, and a first raised line (513) and a second raised line (514) which are respectively matched with the first clamping groove (525) and the second clamping groove (526) are arranged on the lower end surface of the upper clamping member (51).

4. A cable fixing device according to claim 3, wherein the first upper through hole (511) and the first lower through hole (523) constitute a first through hole, and the second upper through hole (512) and the second lower through hole (524) constitute a second through hole.

5. The cable fixture device according to claim 4, wherein the first (525) and second (526) clamping grooves are provided with two strips, respectively; the two first clamping grooves (525) are distributed on two sides of the first lower through hole (523), and the two second clamping grooves (526) are distributed on two sides of the second lower through hole (524).

6. The cable fixing device according to claim 5, wherein the first protruding strip (513) and the second protruding strip (514) are adapted to be laid along the longitudinal direction of the wire fixing base plate (4) when being embedded into the two first clamping grooves (525);

when the first raised strips (513) and the second raised strips (514) are embedded into the two second clamping grooves (526), the cable is suitable for being laid along the short side direction of the wire fixing bottom plate (4).

7. The cable fixing device according to claim 5, wherein the upper end surface of the base housing is provided with a threading hole (31).

8. The cable fixture device according to claim 5, characterized in that the upper cover (1) comprises a top surface and three side surfaces, the side of the upper cover (1) facing the signal base (3) being provided with no side surfaces.

9. Cable fixing device according to claim 5, characterized in that the top surface of the upper cover (1) is provided with a transparent window (12).

10. The cable fixing device according to claim 5, wherein the inner wall of the side surface in the upper cover body (1) is provided with a sliding groove body (13) for being clamped with the wire fixing bottom plate (4);

the side of the wire fixing bottom plate (4) is provided with a fixing convex strip (42) matched with the sliding groove body (13) and used for being clamped with the upper cover body (1).