Clip spring type pin shaft clamp

Abstract

The application provides a clamp for a clasp spring type pin shaft, and relates to the technical field of circuit breaker assembly tools.The clamp for the clasp spring type pin shaft comprises a first jaw body, a second jaw body and a connecting rod assembly, the first jaw body and the second jaw body are cross arranged and hinged at a joint point, the first jaw body and the second jaw body are both divided into a front section and a rear section by the joint point as a boundary point, the front section of the first jaw body is provided with a positioning structure, the connecting rod assembly has a fixed end and a moving end, the fixed end is rotationally connected with the front section of the second jaw body, the moving end is slidingly connected with the front end of the first jaw body, and the fixed end is provided with a fixing structure for fixing the clasp spring, and when the front end of the first jaw body and the front section of the second jaw body are rotated towards each other, the moving end of the connecting rod assembly slides towards the positioning structure.In the case that the rear sections of the first jaw body and the second jaw body are pinched to the limit state, the clasp spring is pushed into a clasp spring limiting groove on the shaft pin to complete the connection with the shaft pin, the assembly is simple, the working strength and the working difficulty are small, and it is very safe.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of circuit breaker assembly tools, in particular to a clamp spring type pin shaft clamp. BACKGROUND

[0002] The circuit breaker refers to a switching device capable of closing, carrying and opening the current under normal loop conditions and closing, carrying and opening the current under abnormal loop conditions within a specified time.

[0003] The contact system of the circuit breaker is connected with the mechanism connecting rod through the shaft pin, wherein the limiting mode of the circuit breaker shaft pin usually adopts the clamp spring type, a clamp spring limiting groove is formed on the shaft pin, the diameter of the clamp spring limiting groove is slightly larger than the diameter of the clamp spring, so that the clamp spring will not easily fall off when assembled on the shaft pin, but the limiting mode of the clamp spring type does not have a special assembly clamp when assembling the clamp spring on the shaft pin, which results in that the work intensity and work difficulty are both large during the assembly process, and has a certain danger. SUMMARY

[0004] The present application aims to provide a clamp spring type pin shaft clamp to alleviate the technical problem that the existing technology does not have a special assembly clamp when assembling the shaft pin of the circuit breaker, which results in that the work intensity and work difficulty are both large during the assembly process, and has a certain danger.

[0005] The present application provides a clamp spring type pin shaft clamp, which comprises a first jaw body, a second jaw body and a connecting rod assembly, the first jaw body and the second jaw body are cross arranged and hinged at a joint point, the first jaw body and the second jaw body are both divided into a front segment and a rear segment with the joint point as a boundary point, the front segment of the first jaw body is provided with a positioning structure for fixing the shaft pin, the connecting rod assembly has a fixed end and a moving end, the fixed end is rotationally connected with the front segment of the second jaw body, the moving end is slidingly connected with the front end of the first jaw body, and is provided with a fixing structure for fixing the clamp spring, when the front end of the first jaw body and the front segment of the second jaw body are rotated towards each other, the moving end of the connecting rod assembly slides towards the positioning structure.

[0006] Further, the connecting rod assembly comprises a driving rod and a transmission rod, one end of the driving rod is the fixed end, the other end of the driving rod is rotationally connected with the transmission rod, the angle between the driving rod and the part of the second jaw body close to the front segment end is an acute angle, the transmission rod is slidingly connected with the first jaw body along the length direction of the first jaw body, and one end of the transmission rod close to the positioning structure is the moving end.

[0007] Further, one end of the driving rod, which is connected with the transmission rod, is provided with a U-shaped hole; the transmission rod is provided with a rotating shaft at the end connected with the driving rod; the U-shaped hole is sleeved on the rotating shaft so that the driving rod can rotate around the rotating shaft.

[0008] Further, a support is arranged on the front section of the second plier body; the support has a rotating shaft; a connecting hole is arranged on the fixed end, and the fixed end is sleeved on the rotating shaft through the connecting hole.

[0009] Further, the front section of the first plier body is provided with a sliding groove in communication with the positioning structure; the sliding groove is located between the positioning structure and the connecting point; and the transmission rod is arranged in the sliding groove.

[0010] Further, a limiting hole is arranged on the side wall of the sliding groove; the driving rod passes through the limiting hole and is connected with the transmission rod, so that when the transmission rod reaches the limit position, the driving rod abuts against the hole wall of the limiting hole.

[0011] Further, the sliding groove is arranged along the length direction of the first plier body; and the outer wall of the transmission rod is in abutment with the groove wall of the sliding groove.

[0012] Further, the end of the second plier body is provided with an inclined surface in abutment with the bottom surface shape of the shaft pin.

[0013] Further, the clamp spring type pin shaft clamp further comprises an elastic reset member; one end of the elastic reset member is arranged on the rear section of the first plier body, and the other end is arranged on the rear section of the second plier body.

[0014] Further, the elastic reset member is a spring.

[0015] Beneficial effects:

[0016] The clamp spring type pin shaft clamp provided by the application comprises a first plier body, a second plier body and a connecting rod assembly, the first plier body and the second plier body are arranged in a cross manner and are hinged at a connecting point; the first plier body and the second plier body are both divided into a front section and a rear section by the connecting point as a boundary point; the front section of the first plier body is provided with a positioning structure for fixing a shaft pin; the connecting rod assembly has a fixed end and a moving end, the fixed end is rotationally connected with the front section of the second plier body, the moving end is slidingly connected with the front end of the first plier body and is provided with a fixing structure for fixing a clamp spring, and when the front end of the first plier body and the front section of the second plier body rotate towards each other, the moving end of the connecting rod assembly slides towards the positioning structure.

[0017] In the use of the clamp for the pin shaft with the clasp spring provided by the application, the shaft pin is inserted on the positioning structure, and the clasp spring is arranged on the fixing structure, so that the position of the clasp spring is opposite to the position of the clasp spring limiting groove on the shaft pin, then the rear section of the first clamp body and the rear section of the second clamp body are pinched, the first clamp body and the second clamp body are rotated around the jointing point where the two are hinged, the front section of the first clamp body and the front section of the second clamp body are rotated towards the direction of approaching each other, in the process of rotation of the first clamp body and the second clamp body, the moving end of the connecting rod assembly slides towards the direction of approaching the positioning structure, the clasp spring in the fixing structure is driven to move towards the shaft pin in the positioning structure, when the rear sections of the first clamp body and the second clamp body are pinched to the limit state, the end of the front section of the second clamp body abuts against the end of the shaft pin to clamp the shaft pin, and the clasp spring is pushed into the clasp spring limiting groove on the shaft pin to complete the connection with the shaft pin, the assembling process is simple, the working strength and difficulty are small, and it is safe. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the specific embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0019] Figure 1 The structural schematic diagram of the clamp for the pin shaft with the clasp spring provided by the embodiment of the present application is shown in the figure.

[0020] Figure 2 The internal structural schematic diagram of the clamp for the pin shaft with the clasp spring provided by the embodiment of the present application is shown in the figure.

[0021] Figure 3 The structural schematic diagram of the clamp for the pin shaft with the clasp spring provided by the embodiment of the present application in the use state is shown in the figure.

[0022] Icon:

[0023] 100 - first clamp body;

[0024] 110 - positioning structure;

[0025] 120 - sliding groove; 121 - limiting hole;

[0026] 200 - second clamp body;

[0027] 300 - connecting rod assembly;

[0028] 310 - fixing structure; 320 - driving rod; 330 - transmission rod;

[0029] 400 - shaft pin;

[0030] 500 - clasp spring. Detailed Implementation

[0031] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] The present invention will now be described in further detail with reference to specific embodiments and accompanying drawings.

[0033] like Figure 1 - Figure 3 As shown, the snap ring type pin clamp provided in this embodiment includes a first clamp body 100, a second clamp body 200, and a connecting rod assembly 300. The first clamp body 100 and the second clamp body 200 are arranged crosswise and hinged at the joint point. The first clamp body 100 and the second clamp body 200 are divided into a front section and a rear section with the hinge joint point as the dividing point. The front section of the first clamp body 100 is provided with a positioning structure 110 for fixing the pin 400. The connecting rod assembly 300 has a fixed end and a movable end. The fixed end is rotatably connected to the front section of the second clamp body 200, and the movable end is slidably connected to the front end of the first clamp body 100. It is also provided with a fixing structure 310 for fixing the snap ring 500. When the front end of the first clamp body 100 and the front section of the second clamp body 200 rotate toward each other, the movable end of the connecting rod assembly 300 slides toward the positioning structure 110.

[0034] When using the snap ring type pin clamp provided in this embodiment, the pin 400 must first be inserted into the positioning structure 110, and then the snap ring 500 is placed on the fixing structure 310, with the position of the snap ring 500 opposite to the position of the snap ring 500 limiting groove on the pin 400. The rear sections of the first clamp 100 and the second clamp 200 are then clamped together. Both the first clamp 100 and the second clamp 200 rotate around their hinge point, while the front sections of the first clamp 100 and the second clamp 200 rotate towards each other. During the operation, the moving end of the linkage assembly 300 slides toward the positioning structure 110, causing the retaining spring 500 in the fixed structure 310 to move toward the shaft pin 400 in the positioning structure 110. When the rear sections of the first clamp 100 and the second clamp 200 are clamped to the limit state, the end of the front section of the second clamp 200 abuts against the end of the shaft pin 400 to clamp the shaft pin 400, and the retaining spring 500 is pushed into the retaining spring 500 limiting groove on the shaft pin 400 to complete the connection with the shaft pin 400. The assembly process is very simple, with low work intensity and difficulty, and is very safe.

[0035] The first clamp body 100 and the second clamp body 200 are cross-connected by a hinge structure, and the hinge structure can be formed by penetrating a pin into the left clamp body and the right clamp body, and then setting a limiting member, such as a limiting nut, at both ends of the pin, so that the first clamp body 100 and the second clamp body 200 are rotatably sleeved on the pin, thereby forming the cross-connected clamp body structure.

[0036] In the embodiment, a disc is arranged at the hinge structure of the first clamp body 100 and the second clamp body 200, the disc is embedded in the first clamp body 100 and the second clamp body 200 to form the cross-connected clamp body structure, and the first clamp body 100 and the second clamp body 200 can rotate around the disc as the center.

[0037] In the embodiment, the positioning structure 110 is a positioning groove, the positioning groove is arranged at the end of the first clamp body 100, the groove opening faces the second clamp body 200, the groove depth is 1 mm, the shaft pin 400 can be stably fixed on the shaft pin 400, and the end of the shaft pin 400 away from the positioning groove faces the second clamp body 200. During the installation of the snap spring 500, the positioning groove limits the shaft pin 400, so that the shaft pin 400 is not easy to fall off during the installation of the snap spring 500.

[0038] Specifically, in the embodiment, the distance from the snap spring limiting groove on the pin shaft to the end face of the shaft pin 400 located in the positioning hole is 1.5 mm.

[0039] It should be noted that, in order to ensure the stability of the connection between the fixing structure 310 and the snap spring 500, in the embodiment, the fixing structure 310 is a fixing seat, the end of the fixing seat facing the positioning structure 110 is provided with a groove matched with the side wall of the snap spring 500, the width of the groove is the same as the thickness of the snap spring 500, and during the assembly of the snap spring 500, the side wall of the snap spring 500 can be clamped into the groove. In addition, the fixing seat is magnetized to realize the attraction force on the snap spring 500, so that the snap spring 500 can be stably arranged in the fixing structure 310 and can move together with the fixing structure 310.

[0040] In the embodiment, the connecting rod assembly 300 includes a driving rod 320 and a transmission rod 330. One end of the driving rod 320 is a fixed end, the other end of the driving rod 320 is rotationally connected with the transmission rod 330, and the angle between the driving rod 320 and the part of the second clamp body 200 close to the front end is an acute angle. The transmission rod 330 is slidably connected with the first clamp body 100 along the length direction of the first clamp body 100, and the end of the transmission rod 330 close to the positioning structure 110 is a moving end.

[0041] The fixed end of the driving rod 320 is rotationally connected with the second jaw 200, and the axis of rotation of the driving rod 320 is parallel to the axes of rotation of the first jaw 100 and the second jaw 200. When the first jaw 100 and the second jaw 200 rotate, the angle between the driving rod 320 and the part of the second jaw 200 close to the front end is an acute angle. When the front sections of the first jaw 100 and the second jaw 200 approach each other, the driving rod 320 rotates under the extrusion of the first jaw 100 and the second jaw 200, with the fixed end as the origin, so that the other end of the driving rod 320 moves towards the end of the front section of the first jaw 100. The transmission rod 330 moves towards the end of the front section of the first jaw 100 along with the end of the driving rod 320, so that the moving end of the transmission rod 330 gradually approaches the positioning structure 110. After the snap spring 500 is installed on the fixed structure 310 of the moving end and the shaft pin 400 is installed on the positioning structure 110, the moving end carrying the snap spring 500 moves towards the shaft pin 400. The first jaw 100, the second jaw 200, the driving rod 320 and the transmission rod 330 form a four-bar linkage structure, which converts the moving stroke of the rear sections of the first jaw 100 and the second jaw 200 into the moving stroke of the moving end towards the positioning structure 110, so that the structure is compact and stable in operation.

[0042] As an implementable mode, the driving rod 320 and the transmission rod 330 can be connected in transmission by means of inclined surfaces. Specifically, an inclined surface can be arranged on the end of the driving rod 320 close to the transmission rod 330, and another inclined surface can be arranged on the end of the transmission rod 330 close to the driving rod 320. The two inclined surfaces are in contact with each other, and the driving rod 320 and the transmission rod 330 are connected in transmission by the cooperation of the two inclined surfaces. Specifically, during the process in which the front sections of the first jaw 100 and the second jaw 200 approach each other, the end of the driving rod 320 with the inclined surface moves towards the transmission rod 330, and the inclined surface of the end of the driving rod 320 gradually presses the inclined surface of the transmission rod 330 in contact with it, so that the transmission rod 330 moves along the inclined direction of the inclined surface, thereby causing the moving end to gradually approach the positioning structure 110. The greater the inclined angle of the inclined surfaces of the driving rod 320 and the transmission rod 330, and the greater the area of the inclined surfaces, the longer the moving stroke of the transmission rod 330.

[0043] In the embodiment, the end of the driving rod 320 close to the transmission rod 330 is provided with a U-shaped hole, and the end of the transmission rod 330 close to the driving rod 320 is provided with a rotating shaft. The U-shaped hole is sleeved on the rotating shaft, so that the driving rod 320 can rotate around the rotating shaft.

[0044] The driving rod 320 is rotationally connected with the transmission rod 330 through a hinged connection. Specifically, the end of the driving rod 320 is provided with a U-shaped hole, which is sleeved on the rotating shaft of the transmission rod 330. The axis of the rotating shaft is parallel to or coincides with the axis of the hinged shaft, so as to form a hinged connection structure. When the driving rod 320 and the transmission rod 330 move at the joint, the transmission rod 330 is limited by the first jaw body 100 and cannot be separated from the first jaw body 100, but can only move in the length direction of the first jaw body 100, so that the transmission rod 330 rotates around the rotating shaft as the center and moves along the length direction of the first jaw body 100.

[0045] In this embodiment, the transmission rod 330 is provided with a groove, and the rotating shaft is arranged in the groove. The U-shaped hole extends into the groove and is rotationally connected with the rotating shaft.

[0046] As an implementable manner, the driving rod 320 and the transmission rod 330 can be respectively provided with a rotating shaft and a rotating hole. The driving rod 320 and the transmission rod 330 are connected by sleeving the rotating hole on the rotating shaft, so as to form a hinged structure of the driving rod 320 and the transmission rod 330.

[0047] In this embodiment, the front section of the second jaw body 200 is provided with a bracket. The bracket has a rotating shaft. The fixed end is provided with a connecting hole, and the fixed end is sleeved on the rotating shaft through the connecting hole.

[0048] The second jaw body 200 is connected with the driving rod 320 through the bracket. After the driving rod 320 is assembled on the rotating shaft through the connecting hole, the driving rod 320 and the second jaw body 200 form a hinged connection. The driving rod 320 can rotate around the connecting hole and the rotating shaft as the center. The axis of the rotating shaft is parallel to the axis of the hinged shaft. The rotating shaft does not need to be arranged on the second jaw body 200 to cooperate with the driving rod 320. The manufacturing is simple. When foreign matters exist on the rotating shaft and the connecting hole and cause the driving shaft to rotate poorly, the rotating shaft and the connecting hole can be directly cleaned from the outside, which is very convenient.

[0049] As an implementable manner, a connecting groove can be arranged on the second jaw body 200, and a rotating shaft is arranged in the connecting groove. Correspondingly, a U-shaped hole is arranged on the fixed end of the driving rod 320. The U-shaped hole extends into the connecting groove and is hinged with the rotating shaft. In this connection structure, the rotating shaft and the U-shaped hole are both located in the connecting groove, so that the hinged point can be well protected and dust and other impurities are not easy to accumulate.

[0050] In this embodiment, the front section of the first jaw body 100 is provided with a sliding groove 120 which communicates with the positioning structure 110. The sliding groove 120 is located between the positioning structure 110 and the joint. The transmission rod 330 is arranged in the sliding groove 120.

[0051] The transmission rod 330 slides in the sliding groove 120, avoiding the deviation of the direction of the moving end of the transmission rod 330 during the movement, so that the circlip 500 cannot be accurately pushed into the circlip 500 limiting groove of the shaft pin 400, and the transmission rod 330 cannot clamp the circlip 500 to the preset position during the installation of the circlip 500.

[0052] In the embodiment, the side wall of the sliding groove 120 is provided with a limiting hole 121; the driving rod 320 passes through the limiting hole 121 and is connected with the transmission rod 330, so that when the transmission rod 330 reaches the limit position, the driving rod 320 abuts against the hole wall of the limiting hole 121.

[0053] Since the rod body of the driving rod 320 passes through the limiting hole 121 and is connected with the transmission rod 330, during the rotation of the driving rod 320, the rod body of the driving rod 320 is always in the limiting hole 121; when the driving rod 320 rotates to push the transmission rod 330, the rod body of the driving rod 320 moves from one end to the other end of the limiting hole 121; when the transmission rod 330 reaches the preset position of the installed circlip 500, the side wall of the rod body of the driving rod 320 abuts against the hole wall of the limiting hole 121, which can avoid the excessive movement of the transmission rod 330 beyond the preset position.

[0054] In the embodiment, the sliding groove 120 is arranged along the length direction of the first plier body 100; the outer wall of the transmission rod 330 is fitted with the groove wall of the sliding groove 120.

[0055] The arrangement direction of the sliding groove 120 is the same as the length direction of the first plier body 100, and the outer wall of the transmission rod 330 is fitted with the groove wall of the sliding groove 120, which can make the transmission rod 330 move along the shape of the groove wall of the sliding groove 120, avoiding the shaking and deviation of the transmission rod 330 during the movement, which can cause the loose structure of the transmission rod 330.

[0056] In the embodiment, the end of the second plier body 200 is provided with a slope surface which is fitted with the shape of the bottom surface of the shaft pin 400.

[0057] After the end of the second plier body 200 is provided with the slope surface which is fitted with the shape of the bottom surface of the shaft pin 400, when the circlip 500 is clamped into the circlip limiting groove of the shaft pin 400 by pinching the rear section of the first plier body 100 and the second plier body 200, the slope surface of the end of the front section of the second plier body 200 abuts against the end of the shaft pin 400 which is away from the circlip limiting groove, and the shape of the slope surface matches the end bottom surface of the shaft pin 400, so that the slope surface of the end of the front section of the second plier body 200 is fitted with the end bottom surface of the shaft pin 400 and presses the shaft pin 400, thereby avoiding the shaking of the shaft pin 400 when the circlip 500 is clamped, and after the slope surface of the end of the second plier body 200 is fitted with the end surface of the shaft pin 400, the pressing and fixing of the second plier body 200 to the shaft pin 400 are more stable.

[0058] In the embodiment, the clamp for the clasp spring type pin shaft further comprises an elastic reset member; one end of the elastic reset member is arranged at the rear section of the first jaw body 100, and the other end is arranged at the rear section of the second jaw body 200.

[0059] The elastic reset member is arranged at the rear sections of the first jaw body 100 and the second jaw body 200, and the two ends of the elastic reset member are respectively connected with the rear sections of the first jaw body 100 and the second jaw body 200. When the rear section of the first jaw body 100 and the rear section of the second jaw body 200 are pinched to clamp the clasp spring 500 to the shaft pin 400, the elastic reset member is deformed under pressure, and after the clasp spring 500 is clamped, the first jaw body 100 and the second jaw body 200 are released, the elastic reset member returns to the initial state before deformation, and the rear section of the first jaw body 100 and the rear section of the second jaw body 200 move away from each other, so that the clamp for the clasp spring type pin shaft returns to the initial state for reuse, which is very convenient to use.

[0060] In the embodiment, the elastic reset member is a spring.

[0061] The spring has good deformation and recovery capabilities, can generate a corresponding reaction force after being compressed, and can return to the initial state after use, and is not easy to have permanent deformation, and is very durable.

[0062] As an implementable way, the elastic reset member can also be a reset member made of an elastic material such as polyurethane block.

[0063] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A clamp for a snap ring type pin, characterized in that, The utility model relates to a first jaw body (100), a second jaw body (200) and a connecting rod assembly (300), the first jaw body (100) and the second jaw body (200) are arranged in cross and are hinged at a joint point, the first jaw body (100) and the second jaw body (200) are divided into front section and rear section with the joint point as the demarcation point, the front section of the first jaw body (100) is equipped with the positioning structure (110) for fixing the shaft pin (400), the connecting rod assembly (300) has fixed end and mobile end, the fixed end is rotationally connected with the front section of the second jaw body (200), the mobile end is slidably connected with the front end of the first jaw body (100) and is equipped with the fixed structure (310) for fixing the clamping spring, when the front end of the first jaw body (100) and the front section of the second jaw body (200) rotate to the direction of mutual approach, the mobile end of the connecting rod assembly (300) slides to the direction of approaching the positioning structure (110), the connecting rod assembly (300) includes driving rod (320) and transmission rod (330), one end of the driving rod (320) is the fixed end, the other end of the driving rod (320) is rotationally connected with the transmission rod, the angle between the driving rod (320) and the part of the second jaw body (200) close to the front section end is acute, the transmission rod (330) is slidably connected with the first jaw body (100) along the length direction of the first jaw body (100), and the end of the transmission rod (330) close to the positioning structure (110) is the mobile end, the front section of the first jaw body (100) is provided with the sliding slot (120) in communication with the positioning structure, the sliding slot (120) is located between the positioning structure (110) and the joint point, and the transmission rod (330) is arranged in the sliding slot (120). One end of the driving rod (320) is provided with a U-shaped hole in communication with the transmission rod (330), the transmission rod (330) is provided with a rotating shaft at the joint end with the driving rod (320), and the U-shaped hole is sleeved on the rotating shaft to enable the driving rod (320) to rotate around the rotating shaft. The front section of the second jaw body (200) is provided with a support, the support has a rotating shaft, the fixed end is provided with a connecting hole, and the fixed end is sleeved on the rotating shaft through the connecting hole. The side wall of the sliding slot (120) is provided with a limiting hole (121), the driving rod (320) passes through the limiting hole (121) and is connected with the transmission rod (330), so that when the transmission rod (330) reaches the limit position, the driving rod (320) abuts against the hole wall of the limiting hole (121). The sliding slot (120) is arranged along the length direction of the first jaw body (100), and the outer wall of the transmission rod (330) is attached to the groove wall of the sliding slot (120). The end of the second jaw body (200) is provided with an inclined surface matched with the bottom surface shape of the shaft pin (400). The clamping spring type pin shaft clamp further comprises an elastic reset member. ​ ​ ​ ​ 2. The clamp for a circlip type pin shaft according to claim 1, wherein ​ ​ ​ 3. The clamp for a circlip type pin shaft according to claim 1, wherein ​ ​ ​ 4. The clamp for a circlip type pin shaft according to claim 1, wherein ​ ​ 5. The clamp for a circlip type pin shaft according to claim 1, wherein ​ ​ 6. The clamp for a split pin according to any one of claims 1 to 5, wherein ​ 7. The clamp for a split pin as claimed in any one of claims 1 to 5, wherein ​ One end of the elastic reset member is arranged at the rear section of the first plier body (100), and the other end is arranged at the rear section of the second plier body (200).

8. The clamp for a circlip type pin shaft according to claim 7, wherein The elastic reset member is a spring.

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