JP3241325U - E-shaped retaining ring insertion tool - Google Patents

Abstract

A tool for inserting an E-shaped retaining ring that can easily, reliably, and quickly insert an E-shaped retaining ring, and supports many specifications regarding the size of the E-shaped retaining ring and the mounting position of the E-shaped retaining ring on a shaft member. It aims to make it possible. A pliers type E-shaped retaining ring insertion tool (10) in which the inner surfaces of a pair of tip portions (20, 30) are in contact with each other, wherein the inner surface of a first tip portion among the inner surfaces of the pair of tip portions has a , a cut groove 201a and a notch 201b, a first support portion for maintaining the posture of the E-shaped retaining ring is formed, and the inner surface of the second tip portion has protruding support portions 301a and 301b, A second support is formed to maintain the posture of the shaft member. [Selection drawing] Fig. 1

Description

The present invention relates to an E-shaped retaining ring insertion tool. More specifically, it relates to a tool for inserting an E-shaped snap ring into a groove of a certain standard provided in a shaft member while press-fitting it.

As is well known, an E-shaped snap ring is used to prevent a bearing or the like mounted on a shaft member from coming off.
FIG. 5 shows the shape of the E-shaped retaining ring 50. The E-shaped retaining ring 50 is composed of an opening 52 as an insertion port for the shaft member and an arc portion 54. Protrusions 56a, 56b, and 56c are formed to form a substantially E-shape as a whole.
The E-shaped retaining ring 50 is elastically deformable by itself, and is inserted into a shaft member larger than the opening 52 by elastically deforming the opening 52, and the elastic force of the E-shaped retaining ring 50 itself causes three The protrusions 56a, 56b, and 56c can be fitted into grooves of the shaft member, for example, to prevent the bearing from coming off.

Japanese Utility Model Laid-Open Showa 59-188165

Conventionally, when inserting an E-shaped retaining ring while press-fitting it into a groove provided in a shaft member, using a commercially available tool such as long nose pliers, the shaft member and the E-shaped retaining ring are sandwiched from both sides, and the E-shaped retaining ring Although it is possible to insert the E-shaped retaining ring into the groove of the shaft member by forcibly passing the shaft member through the opening of the shaft member, the E-shaped retaining ring tends to escape from the shaft member during press-fitting, resulting in poor workability.

In addition, when the special tool for attaching and detaching the E-shaped retaining ring disclosed in Patent Document 1 is used, workability is improved, but the size of the E-shaped retaining ring that can be used and the mounting position of the E-shaped retaining ring on the shaft member is limited and difficult to use.

The present invention was devised in view of these problems, so that the E-shaped retaining ring can be inserted easily, reliably, and quickly, and the size of the E-shaped retaining ring and the mounting position of the E-shaped retaining ring on the shaft member can be varied. The purpose is to meet the specifications of

In order to achieve the above object, the device according to claim 1 is a pliers-type E-shaped retaining ring insertion tool in which the inner surfaces of a pair of tip portions abut against each other, wherein the inner surfaces of the pair of tip portions are: A first support portion for maintaining the posture of the E-shaped retaining ring is formed on the inner surface of the first tip portion, and a second support portion for maintaining the posture of the shaft member is formed on the inner surface of the second tip portion. is formed.

According to a second aspect of the invention, there is provided the E-shaped retaining ring insertion tool according to claim 1, wherein the first support portion has a length of the first tip portion so as to support the E-shaped retaining ring. A cut groove is formed at right angles to the direction, and the second support portion supports the shaft member at right angles to the length direction of the second tip portion. A protruding support portion protruding by a predetermined height from the inner surface of the first support portion toward the first support portion is formed.

A device according to claim 3 is the E-shaped retaining ring insertion tool according to claim 1, wherein the first support portion is configured to support the E-shaped retaining ring, so as to support the E-shaped retaining ring. A notch is formed parallel to the length direction of the first tip portion, and the second support portion supports the shaft member parallel to the length direction of the second tip portion. A protruding support portion protruding from the inner surface of the second tip portion toward the first support portion by a predetermined height is formed so as to protrude on the extension of the tip surface of the second tip portion. It is characterized by

According to a fourth aspect of the present invention, there is provided a pliers-type E-shaped retaining ring insertion tool in which the inner surfaces of a pair of tip portions abut against each other, wherein the inner surface of the first tip portion among the inner surfaces of the pair of tip portions is A first supporting portion formed to maintain the posture of the E-shaped snap ring and a second supporting portion formed on the inner surface of the second end portion to maintain the posture of the shaft member are formed in at least two locations. Two pairs are formed at positions facing each other, and one of the two pairs serves as the first support portion and supports the E-shaped retaining ring, so as to support the E-shaped retaining ring. A cut groove is formed at right angles to the length direction, and the second support portion serves as the second support portion so as to support the shaft member at right angles to the length direction of the second end portion. A projecting support portion projecting a predetermined height from the inner surface of the tip portion toward the first support portion is formed. A notch is formed parallel to the length direction of the first tip portion from the tip surface of the first tip portion so as to support the retaining ring. It protrudes on the extension of the tip surface of the second tip so as to support the shaft member parallel to the length direction of the second tip, and extends from the inner surface of the second tip. It is characterized in that a protruding support portion protruding by a predetermined height is formed toward one support portion.

A device according to claim 5 is the E-shaped retaining ring insertion tool according to claim 2 or claim 4, wherein the cut groove is formed with a substantially semicircular notch for supporting the E-shaped retaining ring. and an end face of the projecting support portion is formed in a substantially semicircular shape so as to support the shaft member.

According to claim 6, in the E-shaped retaining ring insertion tool according to claim 3 or claim 4, the notch is formed at the tip of the first tip so as to support the E-shaped retaining ring. An inclined surface is formed so as to be away from the inner surface of the second tip portion toward the connecting portion of the pair of tip portions, and the end face of the projecting support portion supports the shaft member. and is inclined away from the inner surface of the first tip portion toward the joint portion of the pair of tip portions from the tip surface of the second tip portion. It is characterized in that an inclined surface is formed.

According to a seventh aspect of the invention, there is provided the E-shaped retaining ring insertion tool according to the first aspect, wherein the first support portion is formed on the first base portion, and the first base portion is formed on the first tip portion. It is replaceably attached to the inner surface, the second support is formed on a second base, and the second base is replaceably attached to the inner surface of the second tip. It is something to do.

According to the first aspect of the invention, the inner surface of the first end portion of the pair of end portions is formed with the first support portion for maintaining the posture of the E-shaped retaining ring, and the second support portion is formed on the inner surface of the first end portion. A second support is formed on the inner surface of the tip to maintain the posture of the shaft member. The E-shaped retaining ring can be inserted easily, reliably and quickly, and workability is improved.

According to the second aspect of the invention, the first supporting portion has a cut groove formed perpendicular to the longitudinal direction of the first tip portion so as to support the E-shaped retaining ring. The support portion is a projecting support portion projecting from the inner surface of the second tip portion toward the first support portion by a predetermined height so as to support the shaft member perpendicularly to the length direction of the second tip portion. is formed, the support of the E-shaped retaining ring and the shaft member is further stabilized by the notched groove in the first support portion and the projecting support portion at the second tip portion, and the E-shaped retaining ring to the shaft member is further stabilized. To prevent the E-shaped retaining ring from escaping from a shaft member when press-fitting, and to enable easy, reliable and rapid insertion of the E-shaped retaining ring, thereby improving workability.

According to the third aspect of the invention, the first support portion is cut parallel to the length direction of the first tip portion from the tip surface of the first tip portion so as to support the E-shaped retaining ring. A chip is formed,
The second support protrudes on the extension of the tip surface of the second tip so as to support the shaft member parallel to the length direction of the second tip. Since the protruding support portion protruding from the inner surface toward the first support portion is formed to a predetermined height, it is possible to flexibly cope with the case where the size of the E-shaped retaining ring is smaller than the cut groove by a predetermined amount or more.

According to the fourth aspect of the invention, the first support portion formed on the inner surface of the first end portion among the inner surfaces of the pair of end portions to maintain the posture of the E-shaped retaining ring; At least two pairs of second support portions are formed on the inner surface of the shaft member to maintain the posture of the shaft member at two opposing positions. It is possible to correspond to many specifications for the mounting position of the E-shaped retaining ring on the

According to the fifth aspect of the invention, the cut groove is formed with a substantially semicircular notch for supporting the E-shaped retaining ring, and the end surface of the projecting support portion is substantially semicircular so as to support the shaft member. Since it is formed in a circular shape, the support of the E-shaped retaining ring and the shaft member is more stable, and when the E-shaped retaining ring is press-fitted into the shaft member, the E-shaped retaining ring does not escape from the shaft member, making it easier , the E-shaped snap ring can be inserted reliably and quickly, and workability is improved.

According to the sixth aspect of the invention, the notch extends from the tip end face of the first tip end toward the connecting portion of the pair of tip ends so as to support the E-shaped retaining ring. The end face of the protruding support portion is formed in a substantially semicircular shape so as to support the shaft member, and extends from the tip face of the second tip portion to the tip face of the second tip portion. Since an inclined surface is formed toward the connecting portion of the pair of tip portions so as to be inclined away from the inner surface of the first tip portion, the E-shaped retaining ring and the shaft member can be separated by this tool during work. When grasping, the E-shaped retaining ring and the shaft member are supported by hooking them on the inclined surface, and the escape of the E-shaped retaining ring and the shaft member in the direction opposite to the connecting portion can be prevented.

According to the seventh aspect of the invention, the first support is formed on the first base, the first base is replaceably attached to the inner surface of the first tip, and the second support is formed on the inner surface of the first tip. is formed on the second base, and the second base is replaceably attached to the inner surface of the second tip. It can be adapted to various specifications of the retaining ring and shaft.

1 is a plan view showing the overall shape of an E-shaped retaining ring insertion tool according to a first embodiment of the present invention; FIG. It is a perspective view which shows the whole shape of an E-shaped snap ring insertion tool. It is a perspective view which shows the whole shape of an E-shaped snap ring insertion tool. (c) is a partially enlarged view of FIG. 1, showing a first support. (a) is the front view which looked at (c) from the A direction. (d) is a partial enlarged view of FIG. 1 showing a second support. (b) is a front view of (d) viewed from the direction B. FIG. It is a top view which shows the shape of an E-shaped retaining ring. FIG. 4 is an operation diagram showing how an E-shaped retaining ring is inserted by an E-shaped retaining ring insertion tool; (a) and (b) are operation diagrams showing the insertion state of the E-shaped retaining ring by the E-shaped retaining ring insertion tool. FIG. 7B is a partial enlarged view of FIG. 7A, and is an operation diagram showing the insertion state of the E-shaped retaining ring by the E-shaped retaining ring insertion tool. FIG. 5 is a plan view showing the overall shape of an E-shaped retaining ring insertion tool according to another embodiment of the present invention;

An embodiment of the present invention will now be described with reference to FIGS. 1 to 9. FIG. Here, FIG. 1 is a plan view showing the overall shape of the E-shaped retaining ring insertion tool according to the first embodiment of the present invention, FIG. 2 is a perspective view showing the overall shape of the E-shaped retaining ring insertion tool, and FIG. FIG. 4(c) is a perspective view showing the overall shape of the retaining ring insertion tool, and FIG. 4(c) is a partially enlarged view of FIG. 1, showing the first support portion. (a) is the front view which looked at (c) from the A direction. (d) is a partial enlarged view of FIG. 1 showing a second support. (b) is a front view of (d) viewed from the direction B. FIG. FIG. 5 is a plan view showing the shape of the E-shaped retaining ring, FIG. 6 is an operation diagram showing the insertion state of the E-shaped retaining ring using an E-shaped retaining ring insertion tool, and FIGS. FIG. 8 is a partially enlarged view of FIG. 7(a), showing the operation of inserting the E-shaped retaining ring using the E-shaped retaining ring insertion tool. . FIG. 9 is a plan view showing the overall shape of an E-shaped retaining ring insertion tool according to another embodiment of the present invention.
[Overall configuration of E-shaped retaining ring insertion tool 10]

FIG. 1 is a plan view showing the overall configuration of an E-shaped retaining ring insertion tool 10 according to a first embodiment of the present invention. The E-shaped retaining ring insertion tool 10 is a pliers-type tool in which the inner surfaces of a pair of tip portions 20 and 30 are in contact with each other. is rotatably connected by

More specifically, the E-shaped retaining ring insertion tool 10 has a clamping portion 38 extending from the coupling portion 45 to the pair of tip portions 20 and 30, and a gripping portion 36 extending from the coupling portion 45 to the rear end portion. Therefore, when the grasping portion 36 is grasped and a grasping force is applied, the clamping portion 38 moves in the direction of the arrow in the drawing, and a pressing force can be applied to the shaft member 60 and the E-shaped retaining ring 50 in the clamping portion 38 . That is, by using the E-shaped retaining ring insertion tool 10 to sandwich the shaft member 60 and the E-shaped retaining ring 50 from both sides and applying a gripping force, the shaft member 60 is forcibly inserted into the opening 52 of the E-shaped retaining ring 50. , the E-shaped snap ring 50 can be inserted into the groove 61 of the shaft member 60 (see FIGS. 6 and 7).

The pliers-type tool is a scissors-like tool in which the inner surfaces of a pair of tip portions 20 and 30 are in contact with each other. As long as you can.

A first support portion 201 and a second support portion 301 are formed on the pair of distal end portions 20 and 30 of the E-shaped retaining ring insertion tool 10 . A first support portion 201 (201a, 201b) for maintaining the posture of the E-shaped snap ring 50 is formed on the inner surface of the first tip portion 20, and a shaft member 60 is formed on the inner surface of the second tip portion 30. 2nd support part 301 (301a, 301b) which maintains the attitude|position is formed.

According to this, when the E-shaped retaining ring 50 is press-fitted into the shaft member 60, the E-shaped retaining ring 50 does not escape from the shaft member 60, and the E-shaped retaining ring 50 can be inserted easily, reliably, and quickly. good properties.

Specifically, as shown in FIGS. 1 to 4, the first support portion 201 (201a, 201b) and the second support portion 301 (301a, 301b) are the first base portion 200 and the second support portion, respectively. and fixed to the inner surface of the first tip 20 and the inner surface of the second tip 30 with screws 202 and 302 so as to be replaceable.

According to this, the 1st base 200 and the 2nd base 300 can each be exchanged, and it can adapt to various specifications of the E-shaped retaining ring 50 and the shaft member 60 which are different in size.

In addition, in this embodiment, the first support portions 201 (201a, 201b) and the second support portions 301 (301a, 301b) are formed on the inner surface of the first tip portion 20 and the inner surface of the second tip portion 30. , two pairs are formed at two opposite positions.

According to this, the size of the E-shaped retaining ring 50 and the mounting position of the E-shaped retaining ring 50 with respect to the shaft member 60 can correspond to many specifications.

One of the two pairs has a cut groove 201a formed perpendicular to the longitudinal direction of the first tip portion 20 so as to support the E-shaped retaining ring 50 as the first support portion 201. As the second support portion 301 , the first support portion 201 extends from the inner surface of the second tip portion 30 so as to support the shaft member 60 perpendicularly to the length direction of the second tip portion 30 . A projecting support portion 301a projecting a predetermined height toward (201a) is formed. A right angle in this case includes not only an exact right angle but also a substantially right angle.

According to this, the support of the E-shaped retaining ring 50 and the shaft member 60 is further stabilized by the cut groove 201a in the first support portion 201 and the protruding support portion 301a in the second tip portion 30, and the shaft member 60 is supported. When the E-shaped retaining ring 50 is press-fitted, the E-shaped retaining ring 50 does not escape from the shaft member 60, and the E-shaped retaining ring 50 can be inserted easily, reliably and quickly, thereby improving workability.

The cut groove 201a is formed with a substantially semicircular notch that supports the E-shaped retaining ring 50.
An end face 33 of the projecting support portion 301a is formed in a substantially semicircular shape so as to support the shaft member 60. As shown in FIG.

According to this, the support of the E-shaped retaining ring 50 and the shaft member 60 is further stabilized, and when the E-shaped retaining ring 50 is press-fitted into the shaft member 60, the E-shaped retaining ring 50 does not escape from the shaft member 60, and further , the E-shaped snap ring 50 can be inserted easily, reliably and quickly, and workability is improved.

Of the two pairs, the other pair serves as the first support portion 201 and supports the E-shaped retaining ring 50. The length of the first tip from the tip surface 22 of the first tip 20 A notch 201b is formed parallel to the direction, and as a second support portion 301, the second tip portion 30 supports the shaft member 60 parallel to the length direction of the second tip portion 30. A protruding support portion 301b protruding from the inner surface of the second tip portion 30 toward the first support portion 201 (201b) by a predetermined height is formed. Parallelism in this case includes not only exactly parallelism but also approximately parallelism.

According to this, even when the size of the E-shaped retaining ring 50 is smaller than the cut groove 201a by a predetermined size or more, it can be flexibly handled.

The notch 201b extends from the distal end surface 22 of the first distal end portion 20 toward the connecting portion 45 of the pair of distal end portions 20, 30 so as to support the E-shaped snap ring 50. The end surface 34 of the protruding support portion 301b is formed in a substantially semicircular shape so as to support the shaft member 60, and the end surface 34 of the second tip portion 30 A sloped surface 31 is formed that slopes away from the inner surface of the first tip portion 20 toward the coupling portion 45 of the pair of tip portions from the tip surface 32 .

According to this, when the E-shaped retaining ring 50 and the shaft member 60 are gripped by the present tool during operation, the E-shaped retaining ring 50 and the shaft member 60 are hooked on the inclined surfaces 21 and 31 to support them, and the connecting portion 45 It is possible to prevent the escape of the E-shaped retaining ring 50 and the shaft member 60 in the opposite direction.

In the above-described E-shaped retaining ring insertion tool 10, the pair of the first support portion 201 and the second support portion 301 are provided on the inner surface of the first tip portion 20 and the inner surface of the second tip portion 30, respectively. At two opposing positions, two pairs of different specifications are formed in each one place (a method using a pair of cut groove 201a and projecting support portion 301a and a pair of notch 201b and projecting support portion 301b ), but it is not limited to this, and in the tool, only one pair of specifications out of the two pairs of different specifications may be formed at one or two or more locations. Alternatively, among the two pairs of different specifications, specifications using pairs of cut grooves 201a and projecting support portions 301a may be formed at a plurality of locations.
[How to use the E-shaped retaining ring insertion tool 10]

Next, how to use the E-shaped retaining ring insertion tool 10 configured as described above will be described.

As described above, in order to insert the E-shaped retaining ring 50 into the groove 61 of the shaft member 60 using the E-shaped retaining ring insertion tool 10, the first supporting portion 201 and the second supporting portion 301 are arranged as shown in FIG. 6 and a method using a pair of notch 201b and projecting support 301b shown in FIG.
(1) First, a method using a pair of cut groove 201a and projecting support portion 301a shown in FIG. 6 will be described.
When inserting the E-shaped retaining ring 50 into the groove 61 of the shaft member 60, as shown in FIG. The substantially semicircular cut groove 201a in the first base portion 200 is brought into contact with the arc portion 54 of the E-shaped retaining ring 50, and the end surface 33 of the substantially semicircular protruding support portion 301a in the second base portion 300 is placed on the shaft member. 60 and apply force in the direction of the arrow. As a result, the opening 52 of the E-shaped retaining ring 50 expands to receive the groove 61 of the shaft member 60 and is elastically closed after the shaft member 60 enters the E-shaped retaining ring 50 . The E-shaped snap ring 50 is thereby inserted into the groove 61 of the shaft member 60 . At this time, the protruding pieces 56a and 56b of the E-shaped retaining ring 50 protruding from the lower both sides of the shaft member 60 pass through both sides of the protruding support portion 301a without being obstructed during insertion. Fits within height.
(2) Next, a method using a pair of notch 201b and projecting support portion 301b shown in FIG. 7 will be described.
When inserting the E-shaped snap ring 50 into the groove 61 of the shaft member 60, as shown in FIG. 7A and FIG. 8 which is a partially enlarged view of FIG. With the opening 52 of the retaining ring 50 slightly inserted, the inclined surface 21 of the notch 201b in the first base 200 is brought into contact with the arc portion 54 of the E-shaped retaining ring 50, and the second base 300 is protruded and supported. The inclined surface 31 of the portion 301b is put against the shaft member 60' and a force is applied in the direction of the arrow. As a result, the opening 52 of the E-shaped retaining ring 50 expands to receive the groove 61 of the shaft member 60 and is elastically closed after the shaft member 60 enters the E-shaped retaining ring 50 . The E-shaped snap ring 50 is thereby inserted into the groove 61 of the shaft member 60 . At this time, the protruding pieces 56a and 56b of the E-shaped retaining ring 50 protruding from both lower portions of the shaft member 60 pass through both sides of the projecting support portion 301b without being obstructed during insertion, Fits within height.

Also, since FIG. 7(b) is used in the same way as FIG. 7(a), its explanation is omitted.
Since the end surface 62 of the bearing 63 fitted to the shaft member 60 shown in FIG. The E-shaped retaining ring 50 cannot be inserted into the groove 61 of the shaft member 60 unless it is continuously formed.
[Overall Configuration of Another Embodiment]

FIG. 9 is a plan view showing the overall configuration of an E-shaped retaining ring insertion tool 10 according to another embodiment of the present invention. In another embodiment, similarly to the first embodiment shown in FIG. 1, the E-shaped retaining ring insertion tool 10 is a pliers-type tool in which the inner surfaces of a pair of tip portions 20 and 30 are in contact with each other. , and a pair of gently curved grip portions 25 and 35, which are rotatably connected by a connecting portion 45. The basic configuration is the same, but the difference from the first embodiment is that , the first support 201 (201a, 201b) and the second support 301 (301a, 301b) are formed on the first base 200 and the second base 300, respectively, and the first tip 20 and the inner surface of the second distal end portion 30 were fixed with screws 202 and 302 so as to be replaceable.
In contrast, in another embodiment, the first support portions 201 (201a, 201b) and the second support portions 301 (301a, 301b) are formed on the first base portion 200 and the second base portion 300. It is directly formed on the inner surface of the first tip portion 20 and the inner surface of the second tip portion 30, without any gaps.

In this case, unlike the first embodiment, it is not possible to replace the first base and the second base to adapt to various specifications of the E-shaped snap ring 50 and the shaft member 60 having different sizes. By preparing a plurality of E-shaped retaining ring insertion tools 10 that can be adapted to various specifications of the E-shaped retaining ring 50 and the shaft member 60 with different specifications, the same effect as the first embodiment can be obtained.

According to the above, the E-shaped retaining ring can be inserted easily, reliably, and quickly, and various specifications regarding the size of the E-shaped retaining ring and the mounting position of the E-shaped retaining ring on the shaft member can be accommodated.

It should be noted that the present invention is not limited to the present embodiment, and it is obvious that the present embodiment can be appropriately modified within the scope of the technical idea of the present invention other than suggested in the present embodiment. be. Further, the number, positions, shapes, etc. of the constituent members are not limited to those of the present embodiment, and the number, positions, shapes, etc., can be set to be suitable for carrying out the present invention.

10 E-shaped retaining ring insertion tool 20 First tip 21 Inclined surface 22 Tip surface 25 Grip 30 Second tip 31 Inclined surface 32 Tip surface 33 End surface 34 of projecting support End surface 35 of projecting support Grip 36 Grip portion 38 Clamping portion 45 Joint portion 50 E-shaped snap ring 52 Opening portion 54 Arc portion 56 Protruding piece 60 Shaft member 61 Groove 200 First base portion 201 First support portion 202 Screw 300 Second base portion 301 Second base portion Support portion 302 screw

Claims (7)

A pliers-type E-shaped retaining ring insertion tool in which the inner surfaces of a pair of tip portions abut against each other,
Among the inner surfaces of the pair of tip portions,
A first support for maintaining the posture of the E-shaped retaining ring is formed on the inner surface of the first tip,
A second support for maintaining the posture of the shaft member is formed on the inner surface of the second tip,
An E-shaped retaining ring insertion tool characterized by:
The first support portion has a cut groove formed perpendicular to the length direction of the first tip portion so as to support the E-shaped snap ring,
The second support portion extends from the inner surface of the second tip portion toward the first support portion so as to support the shaft member perpendicular to the length direction of the second tip portion. 2. The tool for inserting an E-shaped retaining ring according to claim 1, wherein a protruding support portion protruding in height is formed.
The first support portion has a notch formed parallel to the length direction of the first tip portion from the tip surface of the first tip portion so as to support the E-shaped retaining ring. ,
The second support protrudes on the extension of the tip surface of the second tip so as to support the shaft member parallel to the length direction of the second tip,
2. The tool for inserting an E-shaped retaining ring according to claim 1, wherein a protruding support portion protruding by a predetermined height from the inner surface of said second tip portion toward said first support portion is formed.
A pliers-type E-shaped retaining ring insertion tool in which the inner surfaces of a pair of tip portions abut against each other,
Among the inner surfaces of the pair of tip portions,
a first support portion formed on the inner surface of the first tip portion to maintain the posture of the E-shaped retaining ring;
a second support portion formed on the inner surface of the second tip portion for maintaining the posture of the shaft member,
at least two pairs are formed at two opposite positions, respectively;
Of the two pairs, one pair is
As the first support portion, a cut groove is formed perpendicular to the length direction of the first tip portion so as to support the E-shaped retaining ring,
As the second support portion, a predetermined support portion extends from the inner surface of the second tip portion toward the first support portion so as to support the shaft member at right angles to the length direction of the second tip portion. A protruding support portion protruding in height is formed,
Of the two pairs, the other pair is
As the first support portion, a notch is formed parallel to the length direction of the first tip portion from the tip surface of the first tip portion so as to support the E-shaped retaining ring. ,
As the second support part, protruding on the extension of the tip surface of the second tip part so as to support the shaft member in parallel with the length direction of the second tip part,
A projecting support portion projecting a predetermined height from the inner surface of the second tip toward the first support portion is formed.
An E-shaped retaining ring insertion tool characterized by:
The cut groove is formed with a substantially semicircular notch that supports the E-shaped retaining ring,
An end face of the projecting support portion is formed in a substantially semicircular shape so as to support the shaft member,
The E-shaped retaining ring insertion tool according to claim 2 or 4, characterized in that: The notch extends from the distal end surface of the first distal end portion toward the coupling portion of the pair of distal end portions and away from the inner surface of the second distal end portion so as to support the E-shaped retaining ring. An inclined surface is formed that inclines to
An end face of the projecting support portion is formed in a substantially semicircular shape so as to support the shaft member,
From the distal end surface of the second distal end portion toward the connecting portion of the pair of distal end portions,
a sloped surface that slopes away from the inner surface of the first tip is formed;
The E-shaped retaining ring insertion tool according to claim 3 or 4, characterized in that:
The first support is formed on a first base, the first base is replaceably attached to the inner surface of the first tip, and the second support is on the second base. 2. The E-shaped retaining ring insertion tool of claim 1, wherein said second base is replaceably attached to the inner surface of said second tip.

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