Snap spring dismounting device

Abstract

The utility model discloses a clamp spring dismounting device which comprises pincer handles hinged to each other, and pincer heads are integrally formed at the head ends of the pincer handles. The insertion rod is fixed to the head end of the forceps head and extends towards the far end in the length direction of the forceps head, and an anti-skid structure is arranged on the surface of the insertion rod. The antiskid structure is arranged on the surface of the pointed end of the caliper head, the friction force of connection between the insertion rod and the clamp spring can be increased through the antiskid structure when the insertion rod is inserted into the round hole of the clamp spring, and therefore the problems that the whole caliper slips off from the clamp spring, the surface of the clamp spring is damaged, and the quality is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of disassembly tools, in particular to a clamping spring disassembly tool. Background Art

[0002] The powertrain transmission retaining spring is one of the important components of the powertrain transmission. It is used to fix the bearing gear. The retaining spring is small in size and has a circular structure (see the attached manual). Figure 1 ), and the circlip has a certain elasticity. When assembling it in the gap between the shaft and the gear / bearing, the current installation method mostly uses circlip pliers for assembly. However, the problem currently encountered in the assembly process is that when using the circlip pliers to disassemble or assemble the circlip, it is easy to slip, causing the circlip pliers to separate from the circlip. During the separation process, the circlip pliers will scratch the contact surfaces on both sides of the circlip and under the circular hole of the circlip, thereby damaging the surface of the circlip. Utility Model Content

[0003] The purpose of the utility model is to solve the above problem and provide a clamping spring disassembly tool.

[0004] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0005] A retaining spring removal tool, comprising:

[0006] Pliers handles are hinged to each other, and the head ends of the pliers handles are integrally formed with pliers heads;

[0007] The insertion rod is fixed to the head end of the clamp head and extends toward the far end along the length direction of the clamp head. The surface of the insertion rod is provided with an anti-slip structure.

[0008] As a further description of the above solution, the insertion rod is a flat cylindrical structure.

[0009] As a further description of the above solution, the anti-slip structure is a plurality of grooves evenly opened on the surface of the insertion rod or a convex structure protruding from the surface of the insertion rod.

[0010] As a further description of the above solution, the groove body or the protrusion structure is arranged obliquely around the surface of the insertion rod.

[0011] As a further description of the above solution, the anti-slip structure is a soft rubber layer structure wrapped around the surface of the insertion rod.

[0012] As a further description of the above solution, the head end of the insertion rod is chamfered.

[0013] As a further description of the above solution, the insertion rod is connected to the head end of the clamp head by welding.

[0014] As a further description of the above solution, a stud is fixed to one end of the insertion rod, and a threaded hole is correspondingly opened on the end surface of the pliers head, and the stud is adapted to the threaded hole.

[0015] As a further description of the above solution, the length of the stud is not less than the length of the insertion rod.

[0016] As a further description of the above solution, a return spring is connected to the middle of the two clamp handles. The beneficial effects of the utility model are as follows:

[0017] 1. The utility model provides an anti-skid structure on the surface of the pointed end of the caliper head. The anti-skid structure can increase the friction between the insertion rod and the retaining spring when the insertion rod is inserted into the circular hole of the retaining spring, thereby reducing the problem that the entire caliper slips off the retaining spring and causes damage to the retaining spring surface, thereby affecting the quality.

[0018] In order to more clearly illustrate the structural features and functions of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural diagram of the circlip;

[0020] Figure 2 is a schematic diagram of a circlip removal tool;

[0021] Figure 3 is a schematic diagram of the head end of the disassembly tool;

[0022] Figure 4 is a schematic diagram of the insertion rod;

[0023] Figure 5 It is a schematic diagram of a structure in which a groove is provided on the surface of the insertion rod;

[0024] Figure 6 It is a schematic diagram of the structure in which the surface of the insertion rod is wrapped with a soft rubber layer.

[0025] Figure numerals: 1, pliers handle; 2, pliers head; 3, insertion rod; 4, slot body; 5, soft rubber layer; 6, stud; 7, threaded hole; 8, reset spring. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model.

[0027] like Figure 2 - Figure 6As shown, in one embodiment, a clamp spring removal tool specifically includes two mutually hinged clamp handles 1, and a reset spring is connected between the two clamp handles 1. After the clamp handles 1 are pinched, the clamp handles 1 are loosened under the action of the reset spring, and the two clamp handles 1 can be reset to the initial position. A clamp head 2 is integrally formed at the head end of each clamp handle 1, and an insertion rod 3 is provided at the top end of the clamp head 2. The function of the insertion rod 3 is to insert the clamp head 2 into the clamp head 2. Figure 1 The pliers are inserted into the round holes of the two circlips in the gearbox, and then the circlips are contracted or expanded by pinching or loosening the pliers handle 1, so as to remove or install the circlips into the gap between the transmission and the gear.

[0028] In the present application, an anti-slip structure is provided on the surface of the insertion rod 3. The anti-slip structure can increase the friction force connecting the insertion rod 3 with the retaining spring when the insertion rod 3 is inserted into the circular hole of the retaining spring, thereby reducing the possibility that the entire caliper will slip off the retaining spring and cause damage to the surface of the retaining spring, thereby affecting the quality.

[0029] For more information on non-slip structures, please refer to Figure 5 - Figure 6 The anti-slip structure is a plurality of grooves 4 evenly opened on the surface of the insertion rod 3 or a convex structure (not shown in the figure) protruding from the surface of the insertion rod 3, and the convex structure is obliquely arranged around the surface of the insertion rod 3. Therefore, after the insertion rod 3 is inserted into the circular hole of the retaining spring, the friction between the circular hole and the insertion rod 3 can be increased, thereby improving the anti-slip effect. The grooves 4 or the convex structure are opened in an inclined shape, which can have a certain anti-slip effect in both the horizontal and vertical directions.

[0030] Furthermore, the anti-slip structure can also be a soft rubber layer 5 structure wrapped on the surface of the insertion rod 3. When the soft rubber layer 5 contacts the inner wall of the circular hole and when the caliper rod is opened, the soft rubber layer 5 will be squeezed against the inner wall of the circular hole. The soft rubber layer 5 can wrap the inner wall of the circular hole to a certain extent, thereby increasing the friction when removing or installing the retaining spring of the caliper and reducing the occurrence of slippage.

[0031] Furthermore, the insertion rod 3 is a flat columnar structure. When in use, the flat columnar structure can increase the contact area with the inner wall of the circular hole, and can also improve the anti-slip effect during use to a certain extent.

[0032] Furthermore, the head end of the insertion rod 3, that is, the end away from the pliers head 2, is chamfered, so even if the insertion rod 3 contacts the surface of the retaining spring, the risk of scratching the surface of the retaining spring can be reduced due to the chamfered head end of the insertion rod 3.

[0033] Furthermore, in this embodiment, the insertion rod 3 and the head end of the clamp head 2 are welded, and in other practicable embodiments, such as Figure 3 - Figure 4A stud 6 is fixed at one end of the insertion rod 3, and a threaded hole 7 is correspondingly opened on the end surface of the pliers head 2. The stud 6 is adapted to the threaded hole 7. Through the cooperation between the stud 6 and the threaded hole 7, the insertion rod 3 can be replaced to adapt to different sizes of retaining rings, making the adaptability higher. Furthermore, the length of the stud 6 is not less than the length of the insertion rod 3, so that the connection between the insertion rod 3 and the threaded hole 7 is more stable. In the present application, the insertion rod 3 is set as a flat structure, which makes it more convenient to insert the insertion rod 3 into the threaded hole 7.

[0034] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A retaining spring removal tool, characterized in that: include: Pliers handles are hinged to each other, and the head ends of the pliers handles are integrally formed with pliers heads; The insertion rod is fixed to the head end of the clamp head and extends toward the far end along the length direction of the clamp head. The surface of the insertion rod is provided with an anti-slip structure.

2. The retaining spring removal tool according to claim 1, characterized in that: The insertion rod is a flat columnar structure.

3. The retaining spring removal tool according to claim 1, characterized in that: The anti-slip structure is a plurality of grooves evenly arranged on the surface of the insertion rod or a convex structure protruding from the surface of the insertion rod.

4. The retaining spring removal tool according to claim 3, characterized in that: The groove body or the protruding structure is arranged obliquely around the surface of the insertion rod.

5. The retaining spring removal tool according to claim 1, characterized in that: The anti-slip structure is a soft rubber layer structure wrapped around the surface of the insertion rod.

6. The retaining spring removal tool according to claim 1, characterized in that: The head end of the insertion rod is chamfered.

7. The retaining spring removal tool according to claim 1, characterized in that: The insert rod is connected to the head end of the clamp head by welding.

8. The retaining spring removal tool according to claim 1, characterized in that: A stud is fixed at one end of the insertion rod, and a threaded hole is correspondingly opened on the end surface of the pliers head, and the stud is adapted to the threaded hole.

9. The retaining spring removal tool according to claim 8, characterized in that: The length of the stud is not less than the length of the insertion rod.

10. The retaining spring removal tool according to claim 1, characterized in that: The middle parts of the two clamp handles are connected with a return spring.

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