CN218953757U

CN218953757U - U-shaped buckle for fixing shaft pin

Info

Publication number: CN218953757U
Application number: CN202222882829.1U
Authority: CN
Inventors: 周曰球; 杨云洲; 张育才
Original assignee: Shanghai Qiuming Auto Parts Co ltd; Shanghai Qiuming Standard Parts Co ltd
Current assignee: Shanghai Qiuming Auto Parts Co ltd; Shanghai Qiuming Standard Parts Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-05-02
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to a U-shaped buckle for fixing a shaft pin, wherein the buckle (8) comprises a side plate and a lower bottom plate (1), the side plate comprises a left side plate and a right side plate, the left side plate, the lower bottom plate (1) and the right side plate are sequentially connected to form a U-shaped clamping groove, the side plate comprises a chuck (4) and a first side wall (2), the chuck (4) is connected with the first side wall (2), and the chuck (4) is used for applying pressure to an assembly part. Compared with the prior art, the U-shaped buckle has the advantages of simple structure, low manufacturing cost, short development period and no need of too many accessories to finish installation and maintenance; the overall dimension of the U-shaped buckle can be adjusted according to the actual environment, so that the applicability and the universality of the U-shaped buckle are improved; the U-shaped buckle not only ensures the assembly efficiency and quality, but also saves the cost and improves the benefit.

Description

U-shaped buckle for fixing shaft pin

Technical Field

The utility model relates to the technical field of connecting pieces, in particular to a U-shaped buckle for fixing a shaft pin.

Background

The existing clip has small volume and no stress point, and the assembly of parts can be realized by means of auxiliary installation tools in the assembly process, so that the production beat is seriously influenced, the surfaces of the parts can be scratched by the auxiliary installation tools such as pliers in the assembly process, the appearance of the parts is influenced, and the parts are deformed and damaged seriously; in addition, once the safety clip is assembled, the clip is not easy to take out and is difficult to replace because the safety clip has no stress point.

Chinese patent CN214247933U discloses a safety clip for a supporting shaft pin for quick fixing and replacement, which comprises a clip body, wherein an opening is formed in the head of the clip body, the opening is connected with a locking part, a tail mounting buckle is arranged at the tail of the clip body, and the tail mounting buckle is perpendicular to the surface of the clip body. The safety clip can realize quick replacement of the clip, but has a complex structure and is not easy to manufacture.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the U-shaped buckle for fixing the shaft pin, and the novel safety clip is used for realizing the rapid fixing of the shaft pin.

The aim of the utility model can be achieved by the following technical scheme:

the U-shaped buckle for fixing the shaft pin comprises a side plate and a lower bottom plate, wherein the side plate comprises a left side plate and a right side plate, the left side plate, the lower bottom plate and the right side plate are sequentially connected to form a U-shaped clamping groove,

the side panel includes a collet and a first sidewall, the collet and the first sidewall being connected, the collet being for applying pressure to the fitting.

In one embodiment of the utility model, the clasp circumscribes an opponent plastic for securing and removing the clasp.

In one embodiment of the utility model, the axle pin includes an upper opponent piece and a lower opponent piece, the upper opponent piece being located inside the clasp and the lower opponent piece being located outside the opponent plastic piece.

In one embodiment of the utility model, the collet is shaped and includes barbs and a second sidewall, the barbs and the second sidewall are connected, and the connection portion forms an elastic protrusion.

In one embodiment of the present utility model, an end of the second side wall, which is close to the elastic protrusion, is provided with a notch-shaped groove, and the notch-shaped groove is used for applying pressure to the upper hand piece.

In one embodiment of the utility model, the opponent plastic piece is connected with a notch-shaped groove to form an elastic convex hull, and the notch-shaped groove and the elastic convex hull of the opponent plastic piece are used for applying pressure to the upper opponent piece.

In one embodiment of the utility model, the lower base plate and the opponent plastic piece are in an interference fit when assembled with the lower opponent piece.

In one embodiment of the present utility model, the buckle is an integrally formed structure.

In one embodiment of the present utility model, the buckle is a U-shaped elastic metal piece.

In one embodiment of the present utility model, the U-shaped elastic metal member is made of cold rolled spring steel, and after the cold rolled spring steel is formed by stamping with a die, the part is heat treated to increase the strength and rigidity of the part, and finally surface treatment (dacromet) is performed to ensure the corrosion resistance and the aesthetic property.

The U-shaped buckle mainly adopts an installation mode of interference fit and forced extrusion clamping, and the purpose of fastening the installed piece is achieved by utilizing the characteristic of metal rebound. When the U-shaped buckle is assembled or disassembled, the force applied to the pressing chuck is gradually increased, the second side wall of the chuck is inwards closed, and when the radial force reaches a certain value, the chuck can be inserted into or separated from an upper counter part of the shaft pin, and the mechanism can also play a role in overload protection.

Compared with the prior art, the utility model has the following advantages:

1.U type buckle has simple structure, low manufacturing cost and short development period, and can be installed and maintained without too many accessories;

the overall dimension of the U-shaped buckle can be adjusted according to the actual environment, so that the applicability and the universality of the U-shaped buckle are improved;

3.U type buckle has guaranteed assembly efficiency and quality, has also saved the cost simultaneously, has improved the benefit.

Drawings

FIG. 1 is a schematic view of a U-shaped buckle;

fig. 2 is a schematic diagram of an assembly structure of the U-shaped buckle and the opponent plastic member.

Reference numerals illustrate: 1. the lower bottom plate, 2, the first lateral wall, 3, mouth style of calligraphy groove, 4, chuck, 5, second lateral wall, 6, barb, 7, opponent working of plastics, 8, buckle.

Detailed Description

The utility model will now be described in detail with reference to the drawings and specific examples.

In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Examples

Referring to fig. 1 and 2, the present embodiment provides a U-shaped buckle for fixing a shaft pin, the buckle 8 includes a side plate and a lower plate 1, the side plate includes a left side plate and a right side plate, the left side plate, the lower plate 1 and the right side plate are sequentially connected to form a U-shaped clamping groove,

the side plate comprises a collet 4 and a first side wall 2, the collet 4 is connected with the first side wall 2, and the collet 4 is used for applying pressure to the assembly.

In this embodiment, the buckle 8 is externally connected with the opponent plastic member 7, and the opponent plastic member 7 is used for fixing and detaching the buckle 8.

In this embodiment, the shaft pin comprises an upper opponent and a lower opponent, the upper opponent is located inside the buckle 8, and the lower opponent is located outside the opponent plastic 7.

In this embodiment, the collet 4 is in a special shape, the collet 4 includes a barb 6 and a second side wall 5, the barb 6 is connected with the second side wall 5, and the connection part forms an elastic bulge.

In this embodiment, a notch-shaped groove 3 is disposed at one end of the second side wall 5 near the elastic protrusion, and the notch-shaped groove 3 is used for applying pressure to the upper hand piece.

In this embodiment, the opponent plastic piece 7 is connected with the notch-shaped groove 3 to form an elastic convex hull, and the notch-shaped groove 3 and the elastic convex hull of the opponent plastic piece 7 are used for applying pressure to the upper opponent piece.

In this embodiment, the lower base plate 1 and the opponent plastic piece 7 are in interference fit when assembled with the lower opponent piece.

In this embodiment, the buckle 8 is an integrally formed structure.

In this embodiment, the buckle 8 is a U-shaped elastic metal member.

In this embodiment, the U-shaped elastic metal piece is made of cold-rolled spring steel, and after the cold-rolled spring steel is formed by stamping through a die, the part is subjected to heat treatment to increase the strength and rigidity of the part, and finally is subjected to surface treatment (dacromet) to ensure the corrosion resistance and the aesthetic property.

The quick fixing of assembly part is realized to this embodiment application U type buckle, has changed former checkpost installation and has wasted time and energy, the difficult shortcoming of changing moreover. The U-shaped buckle mainly adopts an installation mode of interference fit and forced extrusion clamping, and the purpose of fastening the installed piece is achieved by utilizing the characteristic of metal rebound. When the U-shaped buckle is assembled or disassembled, when the force applied to the pressing chuck 4 is gradually increased, the second side wall 5 of the chuck 4 is inwards closed, and when the radial force reaches a certain value, the chuck can be inserted into or separated from an upper pair of workpieces of the shaft pin, and the mechanism can also play a role in overload protection.

In addition, the specific using steps of the U-shaped buckle for fixing the shaft pin are as follows:

during assembly, the buckle 8 is inserted into the lower opponent, the opponent plastic piece 7 outside the buckle 8 is connected with the lower opponent, the upper opponent is inserted into the buckle 8, the barbs 6 and the elastic convex hulls on two sides are forced to be extruded outwards until the lower opponent is completely inserted, and at the moment, the barbs 6 are embedded into the lower opponent, so that the fixation effect is achieved under the action of the resilience force of the barbs.

When the pull force is larger than a certain specific value during disassembly, the lower opponent piece falls off, and the upper opponent piece and the lower opponent piece of the shaft pin are separated from the buckle, so that the bidirectional connection function is realized.

The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present utility model. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present utility model is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present utility model.

Claims

1. The U-shaped buckle for fixing the shaft pin is characterized in that the buckle (8) comprises a side plate and a lower bottom plate (1), wherein the side plate comprises a left side plate and a right side plate, the left side plate, the lower bottom plate (1) and the right side plate are sequentially connected to form a U-shaped clamping groove,

the side plate comprises a clamping head (4) and a first side wall (2), the clamping head (4) is connected with the first side wall (2), and the clamping head (4) is used for applying pressure to the assembly part.

2. A U-shaped clasp for a fixing pin according to claim 1, characterized in that the clasp (8) circumscribes an opponent plastic (7), the opponent plastic (7) being used for fixing and removing the clasp (8).

3. A U-shaped clasp for a fixed axle pin according to claim 2, characterized in that the axle pin comprises an upper opponent and a lower opponent, the upper opponent being located inside the clasp (8) and the lower opponent being located outside the opponent plastic (7).

4. A U-shaped clasp for a fixing pin according to claim 3, wherein the collet (4) is shaped like a profile, the collet (4) comprises a barb (6) and a second side wall (5), the barb (6) and the second side wall (5) are connected, and the connection part forms an elastic protrusion.

5. A U-shaped clasp for a fixed axle pin according to claim 4, wherein the second side wall (5) has a notch (3) at one end adjacent to the resilient protrusion, the notch (3) being adapted to apply pressure to the upper counterpart.

6. The U-shaped buckle for fixing the shaft pin according to claim 5, wherein the opponent plastic piece (7) is connected with the notch-shaped groove (3) to form an elastic convex hull, and the notch-shaped groove (3) and the elastic convex hull of the opponent plastic piece (7) are used for applying pressure to the upper opponent piece.

7. A U-shaped clasp for a fixed axle pin according to claim 3, characterized in that the lower base plate (1) and the opponent plastic (7) are assembled with the lower opponent in an interference fit.

8. A U-shaped clasp for a fixed axle pin according to claim 1, characterized in that the clasp (8) is of an integrally formed construction.

9. A U-shaped clasp for a fixed axle pin according to claim 1, characterized in that the clasp (8) is a resilient metal member in the shape of a U.

10. The U-shaped buckle for fixing a shaft pin according to claim 9, wherein the U-shaped elastic metal member is a cold-rolled spring steel material.