CN118776651A

CN118776651A - Hinge type folding upright rod and commercial weighing apparatus comprising same

Info

Publication number: CN118776651A
Application number: CN202310361677.7A
Authority: CN
Inventors: 万快弟; 陈剑
Original assignee: Mettler Toledo Changzhou Measurement Technology Ltd; Mettler Toledo International Trading Shanghai Co Ltd; Mettler Toledo Changzhou Precision Instruments Ltd
Current assignee: Mettler Toledo Changzhou Measurement Technology Ltd; Mettler Toledo International Trading Shanghai Co Ltd; Mettler Toledo Changzhou Precision Instruments Ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2024-10-15
Also published as: WO2024208356A1

Abstract

The invention provides a hinge type folding vertical rod and a commercial weighing apparatus comprising the same, wherein the hinge type folding vertical rod comprises a first vertical rod, a second vertical rod, an upper cover and a hinge assembly, and one end part of the upper cover is connected with the lower end part of the first vertical rod; the upper cover is sleeved on the hinge assembly, one end part of the hinge assembly is connected with the lower end part of the first vertical rod, and the other end part of the hinge assembly is connected with the upper end part of the second vertical rod; when the hinge type folding upright rod is required to be stored, the second upright rod rotates through the hinge assembly, and the hinge assembly applies torsion to the second upright rod through torque force. The invention adopts the hinge component with the functions of positioning, fixing torsion, connecting and the like, and has better integration. The maintenance is convenient, thereby solving the problem that the existing product is difficult to disassemble and assemble. The connecting piece is not needed, the number of parts is greatly reduced, and the cost is saved.

Description

Hinge type folding upright rod and commercial weighing apparatus comprising same

Technical Field

The invention relates to the field of commercial weighing apparatus, in particular to a hinge type folding upright rod and a commercial weighing apparatus comprising the same.

Background

The commercial weighing apparatus mainly comprises an electronic price computing scale, a price tag scale, an electronic platform scale and the like, is a basic weighing apparatus for common people shopping, and has accurate magnitude and is directly closely related to the benefits of the common people.

In particular to a foldable commercial weighing apparatus, the conventional structure mainly comprises a vertical rod, a hinge assembly, a cushion block, a hoop and a corrugated pipe. The upper end of the hinge component is fixed on one vertical rod, and the lower end of the hinge component is connected with the other vertical rod through a cushion block. The bellows is installed in the middle of two pole settings, and the staple bolt is fixed the bellows in the pole setting.

When the user rotates the pole, the pole can be rotated steplessly. When stopping the rotation, the upright can be stopped at any position.

However, this construction requires additional connectors, involves a large number of parts, and is relatively costly. In addition, when the vertical rod is rotated, the corrugated pipe is easy to warp. The corrugated pipe is easy to store dust, and is inconvenient for later maintenance.

For example, in the use environment of the european open-air market, a dealer needs to take a scale home every day and place the scale in a car by folding. For a general vendor, cost is the first problem to consider, so it is necessary to realize the same function with as few parts as possible. Because the open air environment is abominable, there is a lot of dust to cover on the balance body. In addition, they also want parts to be easily disassembled when the technical service is performed.

In view of the above, the present inventors have devised a hinge type folding upright and a commercial weighing apparatus including the same, so as to overcome the above-mentioned problems.

Disclosure of Invention

The invention aims to overcome the defects that a folding structure of a commercial weighing apparatus in the prior art adopts a corrugated pipe, is easy to tilt, is easy to store dust, is inconvenient to maintain in the later period, has more parts, has relatively high cost and the like, and provides a hinge type folding upright rod and the commercial weighing apparatus comprising the hinge type folding upright rod.

The invention solves the technical problems by the following technical proposal:

the hinge type folding vertical rod is characterized by comprising a first vertical rod, a second vertical rod, an upper cover and a hinge assembly, wherein one end part of the upper cover is connected with the lower end part of the first vertical rod;

The upper cover is sleeved on the hinge assembly, one end part of the hinge assembly is connected with the lower end part of the first vertical rod, and the other end part of the hinge assembly is connected with the upper end part of the second vertical rod;

when the hinge type folding upright rod is required to be stored, the second upright rod rotates through the hinge assembly, and the hinge assembly applies torsion to the second upright rod through torque force.

According to one embodiment of the invention, the hinged folding upright further comprises a left cover fixed to one side wall of the upper end of the second upright and a right cover fixed to the other side wall of the upper end of the second upright.

According to one embodiment of the invention, the hinge assembly comprises a rotating shaft, a left rotating member, a right rotating member, a plurality of damping sheets, a left connecting member and a right connecting member, wherein one ends of the left rotating member and the right rotating member are respectively arranged at two ends of the rotating shaft, the damping sheets are respectively arranged at the outer sides of the corresponding left rotating member and the right rotating member, one ends of the left connecting member and the right connecting member are respectively arranged at the outer sides of the corresponding damping sheets, and two outer end parts of the rotating shaft are locked by locking members;

The other ends of the left rotating piece and the right rotating piece are respectively fixed with the lower end part of the first vertical rod; the other ends of the left connecting piece and the right connecting piece are respectively connected with the upper end part of the second vertical rod.

According to one embodiment of the invention, the intermediate portion of the rotating shaft is provided with a protruding connecting post having a diameter larger than the diameters of the end portions of the rotating shaft.

According to one embodiment of the invention, one end of the upper cover is a first installation part, the other end of the upper cover is an annular first connecting ring, and the first connecting ring is sleeved on the rotating shaft.

According to one embodiment of the present invention, both sides of the first mounting portion are aligned with the other ends of the left and right rotating members, respectively.

According to one embodiment of the invention, the hinge assembly further comprises a left limiting piece and a right limiting piece which are respectively penetrated at two ends of the rotating shaft, wherein the left limiting piece is positioned between the damping fin and the left connecting piece, and the right limiting piece is positioned between the damping fin and the right connecting piece.

According to one embodiment of the invention, the left limiting piece and the right limiting piece respectively comprise a mounting base and limiting pieces, the mounting base is arranged at two ends of the rotating shaft in a penetrating mode, and the limiting pieces extend outwards upwards along the mounting base and are used for limiting the rotation angles of the left rotating piece and the right rotating piece.

According to an embodiment of the present invention, the rotation angle of the left and right rotary members is 0 ° to 85 °.

According to one embodiment of the invention, two ends of the rotating shaft are in a flat strip shape, the left limiting piece and the right limiting piece are respectively provided with a through groove with a flat position, and two ends of the rotating shaft are respectively arranged in the corresponding through grooves.

According to one embodiment of the invention, one end of the left cover is a first end cover, the other end of the left cover is a second installation part, and the second installation part is connected with the second vertical rod;

One end of the right cover is a second end cover, the other end of the right cover is a third installation part, and the third installation part is connected with the second vertical rod;

And the shapes of the first end cover and the second end cover are matched with the shapes of the two ends of the first connecting ring.

According to one embodiment of the invention, a first spigot is arranged at the joint of the first end cover and the second installation part, and a first spigot is arranged at the joint of the second end cover and the third installation part;

The two ends of the first connecting ring of the upper cover are respectively provided with a second spigot, and the first spigot is correspondingly connected with the second spigot.

The invention also provides a commercial weighing apparatus which is characterized by comprising the hinge type folding upright rod.

The invention has the positive progress effects that:

the hinge type folding vertical rod and the commercial weighing apparatus comprising the same have the following advantages:

1. The hinge assembly with the functions of positioning, fixing and connecting is adopted, and the integration is good.

2. The maintenance is convenient, thereby solving the problem that the existing product is difficult to disassemble and assemble.

3. The side cover structure with the same left and right sides is adopted, the hinge assembly is directly connected with the first vertical rod and the second vertical rod, no additional connecting piece is needed, the number of parts is greatly reduced, and the cost is saved.

4. The hinge type folding upright rod has relatively few parts and low cost.

5. The rotating structure of the hinge type folding upright rod has the advantage of integration.

Drawings

The above and other features, properties and advantages of the present invention will become more apparent from the following description of embodiments taken in conjunction with the accompanying drawings in which like reference characters designate like features throughout the drawings, and in which:

fig. 1 is an exploded view of the hinge-type folding leg of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic view of the hinge-type folding upright of the present invention in an operative condition.

Fig. 4 is a schematic view of the hinge-type folding upright of the present invention in a rotated state.

Fig. 5 is a longitudinal cross-sectional view of the hinge-type folding leg of the present invention.

Fig. 6 is an exploded view of the hinge assembly of the hinge-folding upright of the present invention.

Fig. 7 is a schematic structural view of a left cover in the hinge-type folding upright of the present invention.

Fig. 8 is a schematic view showing the structure of a first pole of the hinge-type folding poles of the present invention.

Fig. 9 is a schematic structural view of a second pole of the hinge-type folding pole of the present invention.

Fig. 10 is a schematic view of the structure of the upper cover in the hinge-type folding upright of the present invention.

[ Reference numerals ]

First upright 10

Second upright 20

Upper cover 30

Hinge assembly 40

Left cover 50

Right side cap 60

Rotating shaft 41

Left rotary member 42

Right turn member 43

Damping fin 44

Left connecting piece 45

Right connector 46

Left stopper 47

Right stop 48

Lock nut 49

First mounting portion 31

Connecting column 411

First connecting ring 32

First connection structure 421

First connecting piece 422

Second connection structure 431

Second connecting piece 432

Side portion 311

Intermediate portion 312

First end cap 51

Second mounting portion 52

Second end cap 61

Third mounting portion 62

First spigot d

Second spigot e

Mounting base a

Limiting sheet b

Through groove c

Front cover 100

Rear cover 200

Front decorative case 300

Rear decorative case 400

Lock ring 500

Base 600

Cover plate 610

Rivet 620

Wire harness 700

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.

Furthermore, although terms used in the present invention are selected from publicly known and commonly used terms, some terms mentioned in the present specification may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein.

Furthermore, it is required that the present invention is understood, not simply by the actual terms used but by the meaning of each term lying within.

As shown in fig. 1 to 10, the present invention discloses a hinge type folding pole including a first pole 10, a second pole 20, an upper cover 30, a hinge assembly 40, a left cover 50, and a right cover 60. Wherein, one end of the upper cover 30 is connected with the lower end of the first vertical pole 10, the left side cover 50 is fixed on one side wall of the upper end of the second vertical pole 20, and the right side cover 60 is fixed on the other side wall of the upper end of the second vertical pole 20. The upper cover 30 is coupled to the hinge assembly 40, and connects one end of the hinge assembly 40 to the lower end of the first upright 10 and the other end to the upper end of the second upright 20. Thus, when the hinge-type folding pole needs to be stored, the second pole 20 is rotated by the hinge assembly 40, and the hinge assembly 40 applies torsion to the second pole 20 by a torque force.

Of course, the left and right covers 50, 60 herein may also be eliminated from the arrangement, i.e., not as an additional separate component structure. For example, the left and right covers 50 and 60 may be provided as a portion of the upper end of the second upright 20, on both sides of the upper end of the second upright 20, and form an integrally formed structure with the second upright 20. Or, upwardly protruding members are provided at both sides of the upper end portion of the second stand 20, respectively, for assembling the hinge assembly 40 and the upper cover 30 such that the functions thereof are identical to those of the left and right side covers.

Preferably, the hinge assembly 40 includes a rotation shaft 41, a left rotation member 42, a right rotation member 43, a plurality of damping fins 44, a left connection member 45, and a right connection member 46. Wherein, one end of the left rotating member 42 and one end of the right rotating member 43 are respectively installed at two ends of the rotating shaft 41, the damping fin 44 is respectively installed at the outer sides of the corresponding left rotating member 42 and right rotating member 43, one end of the left connecting member 45 and one end of the right connecting member 46 are respectively installed at the outer sides of the corresponding damping fin 44, and two outer ends of the rotating shaft 41 are locked by locking members. The locking member may preferably be a lock nut 49.

The other ends of the left and right rotating members 42 and 43 are fixed to the lower end portion of the first upright 10, respectively. The other ends of the left and right connection members 45 and 46 are respectively connected with the upper end portions of the second upright 20.

Wherein the middle portion of the rotation shaft 41 is preferably provided with a protruding connection post 411, and the diameter of the connection post 411 is larger than the diameters of both end portions of the rotation shaft 41.

Further, the upper cover 30 has a first mounting portion 31 at one end and a ring-shaped first connecting ring 32 at the other end, and the first connecting ring 32 is sleeved on the rotating shaft 41. Preferably, both sides of the first mounting portion 31 are aligned with the other ends of the left and right rotating members 42 and 43, respectively.

When the hinge assembly 40 and the upper cover 30 are assembled, the hinge assembly 40 is entirely fitted into the first coupling ring 32, i.e., the rotation shaft 41 is fitted into the first coupling ring 32. The left and right rotating members 42 and 43 are respectively aligned and overlapped with both sides of the first mounting portion 31, and then are coupled and fixed to the lower end portion of the first upright 10 together.

As shown in fig. 1, 2 and 10, the left rotary member 42 includes a frame-shaped first connection structure 421 and a first connection piece 422 connected up and down, and the right rotary member 43 includes a frame-shaped second connection structure 431 and a second connection piece 432 connected up and down. Correspondingly, the first mounting portion 31 of the upper cover 30 includes two side portions 311 and an intermediate portion 312 connected to each other, and the intermediate portion 312 is connected between the two side portions 311. The shapes of the two side portions 311 are respectively matched with the shapes of the first connection structure 421 and the second connection structure 431, and are wrapped outside the first connection structure 421 and the second connection structure 431. The middle portion 312 is a concave arc surface and is located inside the two side portions. When the upper cover 30 and the hinge assembly 40 are integrally mounted, the intermediate portion 312 is caught between the left and right rotating members 42 and 43, thereby allowing a better fit between the upper cover 30 and the hinge assembly 40, forming a complete whole.

Preferably, one end of the left cover 50 may preferably be the first end cover 51, and the other end may preferably be the second mounting portion 52, connecting the second mounting portion 52 with the second upright 20. One end of the right cap 60 may preferably be a second end cap 61 and the other end may preferably be a third mounting portion 62, connecting the third mounting portion 62 with the second pole 20. The shapes of the first and second end caps 51 and 61 match the shapes of the ends of the first connecting ring 32.

A first spigot d is provided at the junction of the first end cap 51 and the second mounting portion 52, and a first spigot d is provided at the junction of the second end cap 61 and the third mounting portion 62. Accordingly, second spigot e is provided at both ends of the first connection ring 32 of the upper cover 30, respectively, and the first spigot d is correspondingly connected with the second spigot e. This structure can firmly connect the left and right side covers and the upper cover.

Preferably, the hinge assembly 40 further includes left and right stoppers 47 and 48 respectively penetrating both ends of the rotation shaft 41. Wherein, the left limiting piece 47 is located between the corresponding damping fin 44 and the left connecting piece 45, and the right limiting piece 48 is located between the corresponding damping fin 44 and the right connecting piece 46.

Specifically, the left and right stoppers 47 and 48 include a mounting base a and a stopper piece b, respectively, the mounting base a being inserted at both ends of the rotation shaft 41, the stopper piece b extending upward and outward along the mounting base a for restricting the rotation angles of the left and right rotation members 42 and 43. The rotation angles of the left and right rotating members 42 and 43 are adjusted by setting the angles of the limiting piece b and the mounting base a. For example, the rotation angles of the left and right rotary members 42, 43 in the present embodiment are preferably set to 0 ° to 85 °.

Further preferably, both ends of the rotation shaft 41 may be provided in a flat bar shape, and the left and right stoppers 47 and 48 are respectively provided with a flat through groove c, and both ends of the rotation shaft 41 are respectively installed in the corresponding through grooves c. The flat structure can be used for firmly connecting the rotating shaft with the left limiting piece and the right limiting piece.

In addition, the hinge-type folding pole further includes a front cover 100, a rear cover 200, a front decorative case 300 and a rear decorative case 400, the front cover 100 is connected with the upper end of the first pole 10 through the front decorative case 300, the rear cover 200 is connected with the upper end of the first pole 10 through the rear decorative case 400, and a locking ring 500 is provided between the front decorative case 300 and the first pole 10, and between the rear decorative case 400 and the first pole 10. Thus, the front cover 100 and the rear cover 200 are fastened to each other, and the front decorative case 300 and the rear decorative case 400 are fastened to each other to form a complete unit.

The hinge type folding upright is further provided with a base 600 and a cover plate 610, the base 600 and the base plate 610 are combined into a whole base, and the second upright 20 is fixed on the base 600 through rivets 620, so that the whole hinge type folding upright structure is realized.

According to the above structural description, in the hinge-type folding upright of the present invention, the front cover 100 is coupled with the rear cover 200 by means of screws. The front decorative case 300 and the rear decorative case 400 are fastened to the first upright 10 by two locking rings 500 and are fixed by two screws. The hinge assembly 40 is inserted into the upper cover 30 while inserting the left and right covers 50 and 60 into the second upright 20, and the assembled upper cover 30 and hinge assembly 40 are simultaneously inserted into the first upright 10, and the wire harness 700 is finished to be pressed against the side cover (left or right cover 50 or 60).

As shown in fig. 7 and 10, the side covers (left side cover 50 or right side cover 60) and the upper cover 30 are provided with the spigots, respectively, and the side covers (left side cover 50 and right side cover 60) are engaged with the upper cover 30 through the male and female spigots to fix the hinge assembly, the side covers, and the upper cover to the first and second poles 10 and 20, respectively, through the left and right screws. The base 600 is provided with a plurality of rivets 620 for screw connection, the base 600 is fixed to the second upright 20 by screws, and the cover 610 is screw-connected with the base 600.

The rotation shaft 41 may be preferably milled flat on both left and right sides, flat through grooves are respectively formed in the left limiting member 47 and the right limiting member 48, through holes are respectively formed in the middle of the left rotating member 42 and the right rotating member 43, and flat through grooves and two through holes are respectively formed in the connecting members (the left connecting member 45 and the right connecting member 46). The left rotating member 42 and the right rotating member 43 pass through the rotating shaft 41 and are respectively arranged on the left shaft shoulder and the right shaft shoulder of the rotating shaft 41, the damping fin 44 passes through the rotating shaft 41 and is arranged on the left rotating member and the right rotating member, the left limiting member 47 and the right limiting member 48 pass through the rotating shaft 41 and are arranged on the damping fin 44, the left connecting member 45 and the right connecting member 46 pass through the rotating shaft 41 and are arranged on the left limiting member 47 and the right limiting member 48, and the left side and the right side are locked by locking nuts 49.

As shown in fig. 3, the first pole 10 and the second pole 20 are maintained to be perpendicular to the base when the hinge-type folding pole is normally operated. As shown in fig. 4, when the hinge-type folding pole needs to be stored, the first pole 10 is rotated, and since the upper ends of the left and right connection members 45 and 46 are fixed to the rotation shaft 41, the lower ends are fixed to the second pole 20 through two through holes, and the second pole 20 is kept stationary.

As shown in fig. 8 and 9, the ends of the first and second uprights 10 and 20 may each be preferably rounded to fit in a clearance fit with the upper and side covers. When the left and right rotation members 42 and 43 contact the left and right stopper members 47 and 48, the first pole 10 stops rotating, preferably by an angle ranging from about 0 ° to 85 °.

The invention also provides a commercial weighing apparatus comprising the hinged folding upright as described above.

The hinge type folding upright rod adopts the structures of side covers (such as left and right plastic side covers), upper covers (such as plastic upper covers), hinge components and the like, and the plastic upper covers are directly connected with the first upright rod and the second upright rod through the hinge components, so that additional connecting pieces are not needed, the number of parts is greatly reduced, and the cost is saved.

The structure of the hinge type folding upright rod is easy to maintain, and the main rotating structure is integrated on the hinge, so that the hinge is different from a traditional hinge assembly, and besides the function of providing torque, a sheet metal connecting part, a limiting structure and a damping sheet are further arranged. The upper cover and the left side cover and the right side cover realize circumferential limit through the spigot, so that the positioning is not only reliable, but also easy to clean.

In summary, the hinge type folding upright rod and the commercial weighing apparatus comprising the same have the following advantages:

4. The hinge type folding upright rod has relatively few parts and low cost.

While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the invention, but such changes and modifications fall within the scope of the invention.

Claims

1. The hinge type folding vertical rod is characterized by comprising a first vertical rod, a second vertical rod, an upper cover and a hinge assembly, wherein one end part of the upper cover is connected with the lower end part of the first vertical rod;

2. The hinged folding pole of claim 1, further comprising a left cover secured to one side wall of the upper end of the second pole and a right cover secured to the other side wall of the upper end of the second pole.

3. The hinge-type folding upright according to claim 2, wherein the hinge assembly comprises a rotation shaft, a left rotating member, a right rotating member, a plurality of damping sheets, a left connecting member and a right connecting member, wherein one ends of the left rotating member and the right rotating member are respectively arranged at two ends of the rotation shaft, the damping sheets are respectively arranged at the outer sides corresponding to the left rotating member and the right rotating member, one ends of the left connecting member and the right connecting member are respectively arranged at the outer sides corresponding to the damping sheets, and two outer ends of the rotation shaft are locked by locking members;

4. The hinge-type folding upright according to claim 1, wherein the central portion of the rotating shaft is provided with a protruding connecting post having a diameter greater than that of the two end portions of the rotating shaft.

5. A hinged folding upright according to claim 3, wherein one end of the upper cover is provided with a first mounting part, and the other end is provided with a first annular connecting ring, and the first connecting ring is sleeved on the rotating shaft.

6. The hinged folding pole of claim 5, wherein the first mounting portion is aligned on both sides with the other ends of the left and right rotating members, respectively.

7. The hinged folding upright of claim 3, wherein the hinge assembly further comprises a left limiting member and a right limiting member respectively penetrating through two ends of the rotating shaft, the left limiting member is located between the corresponding damping sheet and the left connecting member, and the right limiting member is located between the corresponding damping sheet and the right connecting member.

8. The hinged folding upright of claim 7, wherein the left and right limiting members comprise a mounting base and limiting pieces, respectively, the mounting base is disposed through two ends of the rotating shaft, and the limiting pieces extend upward and outward along the mounting base to limit the rotation angles of the left and right rotating members.

9. The hinged folding pole of claim 8, wherein the left and right rotational members have a rotational angle of 0 ° to 85 °.

10. The hinge-type folding upright according to claim 8, wherein the two ends of the rotating shaft are flat strips, the left limiting piece and the right limiting piece are respectively provided with a through groove with a flat position, and the two ends of the rotating shaft are respectively arranged in the corresponding through grooves.

11. The hinged, folding pole of claim 5, wherein the left cover has a first end cap at one end and a second mounting portion at the other end, the second mounting portion being connected to the second pole;

12. The hinged, folding pole of claim 11, wherein a first spigot is provided at the junction of the first end cap and the second mounting portion, and a first spigot is provided at the junction of the second end cap and the third mounting portion;

13. A commercial weighing apparatus comprising a hinged folding upright according to any one of claims 1 to 12.