KR20110028406A

KR20110028406A - A snap ring pliers

Info

Publication number: KR20110028406A
Application number: KR1020090086172A
Authority: KR
Inventors: 안준범
Original assignee: 안준범
Priority date: 2009-09-12
Filing date: 2009-09-12
Publication date: 2011-03-18

Abstract

PURPOSE: A snap ring pliers is provided to partially replace damaged or worn operation units by coupling and separating the operation units to/from bodies using couplers. CONSTITUTION: A snap ring pliers comprises a pair of bodies(10,10A), a hinge pin(20), and a spring(30). Operation units(12) are formed in one sides of the bodies, and levers(14) for a grip. The operation units are inserted into the holes of snap rings. The hinge pin couples the bodies and moves the levers and the operation units to be relative to each other. The spring is elastically compressed when the levers are closed and returns the operation units to original positions when the levers are released. The operation units are separably coupled to the bodies through couplers(100). A groove(110) is formed in one side of each coupler, and a screw unit(120) is formed in the other side. The protrusions(52) of the operation units are inserted into the grooves of the couplers. The screw units are screwed on the grooves(51) of the bodies.

Description

Snap ring pliers {A snap ring pliers}

The present invention relates to a snap ring plier, and more particularly, to a snap ring plier that allows the actuation of the snap ring pliers to fit into the holes of the snap ring to be detachable and replaceable from the snap ring pliers via a coupler.

In general, a snap ring is a mechanical element that is applied to restrict movement by being coupled to a shaft, a boss, or the like, and a shaft snap ring and an inner peripheral image of a hole inserted into a groove formed on the outer periphery of the shaft depending on the installation position. It can be classified as a snap ring for the hole is inserted into the groove formed in the.

The snap ring is provided with a hole for removal at both ends, and an operating hole provided at the end of the snap ring plier is inserted into the hole, and when the force is applied to the snap ring pliers, the snap ring is opened or retracted and the shaft or hole is opened. Removal from is made.

However, when the removal operation through the snap ring pliers there is a problem that the operating port of the snap ring pliers are easily separated from the hole of the snap ring due to the elastic force of the snap ring, and the problem that the snap ring pops up when it is removed and thereby cause a loss or injury to workers. Has been.

In addition, when looking at the structure of the snap ring pliers, one end of the operating sphere and the other end of the lever is formed a pair of body taking the bending structure, the hinge pin for connecting the body with each other, the opening and the rim of the lever It consists of a spring which allows the actuation tool to return to its initial position after operation.

The snap ring pliers configured as described above have a problem in that the snap ring pliers have to be replaced when the operation tool and the lever fitted into the holes of the snap ring are integrally formed when the tip of the operating tool is bent or broken during the snap ring removal operation.

Accordingly, the present invention was devised to solve the above problems and an object of the present invention is to allow the operation tool fitted to the hole formed in the snap ring in the snap ring pliers to be detachably coupled from the snap ring pliers when the operation tool is damaged. It is intended to be easily replaced by the operator.

Another object of the present invention is to prevent the snap ring from being released from the snap ring pliers during the snap ring removal operation through the snap ring pliers.

The present invention to achieve the above object,

A pair of bodies provided on one side with an operating tool inserted into a hole of a snap ring and on the other side a hinge pin; a hinge pin for engaging the body with each other so that the lever and the operating tool move relative to each other; In the snap ring pliers to be elastically compressed during the squeeze operation of the lever between the levers and a spring for releasing the squeeze operation to return the operating port to the initial position, so that the snap ring can be separated

The actuators are detachably coupled from the body via a separating means, respectively;

The separating means,

A groove is formed on one side so that the protrusion formed at the end of the operating tool is fitted into the groove, and the other side is implemented by a coupler having a threaded portion to be screwed into the groove formed on the body.

In addition, it is possible to form a bent end having an outer direction at the tip of the operating port and bent in an arc shape, and to further form a check pin so that the hole of the snap ring caught in the bent end is not separated from the bent end. .

In addition, the groove of the coupler and the projection of the operating port is possible to be formed in a polygonal structure so that the projection can be coupled to the groove in an adjustable state.

Therefore, the snap ring pliers according to the present invention, the operation of the snap ring pliers for separating the snap ring can be easily separated and coupled from the body through the coupler has the advantage that can only partially replace the operation when the wear or damage of the operation tool .

In addition, there is an effect that the snap ring can be easily dismantled because it is protruded to the check pin that can be locked by the hole of the snap ring to the operation tool for separating the snap ring.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, and in describing the present invention, if it is determined that the related well-known technology may blur the gist of the present invention, the detailed description thereof will be omitted. do.

The present invention is to separate the snap ring coupled to the outside of the shaft or the like and fixed to support the mechanical element by the illustration of Figures 1 to 3, the operation tool coupled to the hole of the snap ring is to couple the coupler 100 from the snap ring pliers. It relates to a snap ring pliers to be removable through.

The present invention provides a pair of bodies (10) (10A) provided on one side with an operating tool (12) fitted into the hole (H) of the snap ring (S) and on the other hand with a handle lever (14), and the body A hinge pin 20 for symmetrically coupling the 10 and 10A to each other, and a spring 30 for returning the operating tool 12 to the initial position when the lever 14 is squeezed.

The body (10) (10A) has a bent structure and is provided with an operation opening (12) detachably provided on one side of the hole (H) of the snap ring (S) through the separating means, the other side for the handle A lever 14 is provided, and the lever 14 is enclosed with a covering for easy gripping by hand.

The hinge pin 20 is coupled to each other by the body 10, 10A to allow the lever 14 and the operation tool 12 to be relative to each other.

The spring 30 is elastically compressed during the pressing operation of the lever 14 between the pair of the lever 14 and the lever 14, and the operating tool 12 is returned to the initial position when the pressing operation is released. Will be returned.

In addition, a bent end portion 12A is formed at an end of the actuating tool 12 having an outer direction and is bent into an arc shape, and the hole H of the snap ring S caught by the bent end portion 12A is not separated. The check pin 40 is formed to protrude from the bent end 12A.

The separating means, the groove 110 is formed so that the projection 52 formed at the end of the operation port 12 is fixed to one side, the groove 51 formed on the other side of the body (10) (10A). The coupler 100 is formed with a screw portion 120 to be screwed to each).

On the outside of the coupler 100, a scratch surface may be formed on a surface of the coupler 100 so that the user can rotate it by hand.

In addition, the groove 110 may take a form in which the inner diameter thereof is reduced as it moves inward from the inlet side so that the protrusion 52 of the operating tool 12 may be inserted into the coupling.

In addition, as another example, the groove 110 and the protrusion 52 may have a polygonal structure, respectively, to apply the operation tool 12 having the bent end portion 12A.

In addition, it is possible to install a fixing bolt so that the projection 52 fitted in the groove 110 on the outside of the coupler 100 can be fixed.

The groove 51 formed in the bodies 10 and 10A has a female screw surface formed such that the threaded portion 120 of the coupler 100 is screwed together.

In addition, the grooves 110 of the coupler 100 may be attached to the protrusions 52 of the operating holes 12 to which the magnetic material 61 is coupled and inserted.

The magnetic body 60 is fitted in a pipe shape to the outside of the operating port 12 is fixed or attached to the detached snap ring is attached.

Referring to the operation of the snap ring pliers configured as described above are as follows.

1 to 3, first, the lever 14 is gripped during the dismantling operation of the snap ring, and then the bent end 12A of the operating tool 12 is inserted into the hole H of the snap ring S, respectively. Pour (14). Then, the actuation opening 12 is opened around the hinge pin 20, and the bent end 12A provided at the end of the actuation opening 12 penetrates into the bottom of the hole H to simultaneously lift the snap ring S. To extend the inner diameter of the snap ring (S). At this time, the snap ring (S) is separated and at the same time the bent end (12A) enters the hole (H), the hole (H) is beyond the position of the check pin (40), the snap ring (S) even if the reverse state It is caught by the zip pin 40. In succession, the snap ring S is caught by the check pin 40 or the magnetic body 60.

Subsequently, if the bent end portion 12A of the operation tool 12 is damaged by repeating the above operation, the coupler 100 is rotated and separated from the bodies 10 and 10A, and then coupled to the coupler 100 and damaged. The actuator 12 may be removed, the new actuator 12 may be coupled to the coupler 100, and then the screw 120 of the coupler 100 may be screwed into the groove 51.

Above has been described and illustrated a preferred embodiment of the snap ring pliers according to the present invention only limited to the snap ring coupled to the outside of the shaft, etc. The present invention is not limited to this, but also applied to the snap ring pliers to disassemble the snap ring coupled to the inside of the boss, etc. Of course, it can be said that it belongs to the claims of the present invention.

Applied when removing and assembling car parts.

1 is a front view showing a snap ring pliers according to the present invention,

2 is an exploded perspective view of the main part of FIG. 1;

3 shows another embodiment of the main section of FIG. 1 or FIG.

10,10A: body

12: operating port 14: lever

20: hinge pin

30: spring

40: check pin

51: groove 52: projection

100: Coupler

110: groove 120: screw portion

Claims

A pair of bodies (10) (10A) provided on one side with an operating tool (12) fitted into the hole (H) of the snap ring (S) and a lever (14) for a handle on the other side, and the body (10) ( A hinge pin 20 for engaging the lever 14 and the actuating tool 12 relative to each other by coupling 10A with each other, and elastically compressing and retracting during the pressing operation of the lever between a pair of the levers. In the snap ring pliers to be composed of a spring 30 to allow the operating port to return to the initial position when released,

The actuators 12 are detachably coupled from the bodies 10 and 10A, respectively, by means of separating means;

The separating means,

The groove 110 is formed so that the projection 52 formed at the end of the operation port 12 is fixed to one side, and the other side is screwed to the groove 51 formed on the body 10, 10A, respectively. Snap ring pliers, characterized in that the coupler 100 is formed so that the screw portion (120).

The method according to claim 1,

The groove 110 of the coupler 100 and the protrusion 52 of the operating tool 12 are formed in a polygonal structure so that the protrusion 52 can be coupled to the groove 110 in an adjustable state. And a bending end portion 12A having an outward direction at the tip end of the actuating tool 12 and being bent into an arc shape, and a snap ring S caught by the bending end portion 12A at the bending end portion 12A. Snap ring pliers, characterized in that the magnetic pin (60) for the attachment of the snap ring on the outer side of the check pin (40) and the operating port 12 so that the hole (H) of the separation.