JP2947091B2 - Jig for mounting elastic parts - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a jig for mounting an elastic component used for inserting a wire member or a linear member such as a rubber tube through an elastic component such as a grommet.

[0002]

2. Description of the Related Art Conventionally, when a wire bundle or a rubber tube having a diameter larger than the diameter of a through-hole is inserted into a through-hole of a rubber component, for example, a grommet, as shown in FIGS. Inserting the pair of expanded portions 2 at one end of the jig 1 into the through holes 4 of the grommet 3 and expanding the two expanded portions 2 in directions away from each other allows the wire bundle 5 to be inserted through the through holes 4. After the wire bundle 5 is elastically deformed to a larger size than the outer diameter, and the wire bundle 5 is inserted through the through-hole 4 for a predetermined length in that state, the expanded portion 2 of the jig 1 is detached from the through-hole 4. Was elastically returned to the original shape, and the state where the grommet 3 was attached to the predetermined position of the wire bundle 5 was obtained.

Further, as disclosed in Japanese Utility Model Application Laid-Open No. 2-104718, an upright plate is provided on a fixed plate, an elastic component is mounted on the upright plate, and a tip cap side of a hollow pipe is inserted into a through hole of the elastic component. After that, further insert it, penetrate the hollow pipe while expanding the small diameter through hole by the tapered part of the hollow pipe, project it to the opposite side to the predetermined position, pull out the tip cap, pull the wire into the hollow pipe Some insertion devices have a structure in which an elastic component is attached to a predetermined position of a wire by inserting the wire into a predetermined dimension from one end opening and then pulling out the hollow pipe.

[0004]

However, according to the method using the pliers-like jig 1, while the wire bundle 5 is inserted into the through hole 4 for a predetermined length, the grommet is formed by the expanding portion 2 of the jig 1. It is necessary to hold the through-hole 4 in an expanded state, and a force is required to maintain the expanded state, and there is a disadvantage that the degree of fatigue of the operator is large.

According to the insertion device disclosed in Japanese Utility Model Laid-Open No. 2-104718, an elastic component is temporarily mounted on an upright plate, and a hollow pipe is passed through a through hole of the mounted elastic component. In this method, the number of work steps is increased, and workability is poor.

In view of the above problems, an object of the present invention is to provide a jig for mounting an elastic component which can reduce labor and is excellent in workability.

[0007]

A technical means for achieving the above object is to provide a jig for mounting an elastic component in which a linear member having a diameter larger than the diameter of the through hole is inserted into a through hole of the elastic component. The elastic component mounting jig is mounted on the base with the base and an expanded mounting portion in which a through hole of the elastic component is mounted in an expanded shape on the upper surface side of the base as an upwardly projecting shape. A pipe body for mounting an elastic component forming a through hole in the vertical direction into which the linear member is inserted, and a play insertion hole in which the expanded mounting portion of the pipe body is formed in a play insertion shape, and swings toward the upper surface of the base. A detachable operation plate that is operably mounted, and the expansion mounting portion is made to be able to protrude and retract from the play insertion hole by the swing operation, and the removal operation plate is configured such that the expansion mounting portion is loosely inserted into the play insertion hole. And a return biasing member for returning to the initial position.

[0008] Further, a structure may be employed in which an upper end portion of the spread mounting portion is formed by cutting out in a tapered and inclined shape.

Further, the play insertion hole may be formed in a long hole shape extending in a direction perpendicular to a swing axis of the detachment operation plate.

[0010] Further, the base may be supported on a support standing upright on the support so as to be vertically adjustable.

[0011]

According to the present invention, the elastic component is mounted on the expansion mounting portion of the elastic component mounting pipe body projecting toward the upper surface of the base while expanding the through hole of the elastic component, and is constituted by the base and the pipe body. The linear member is inserted into the through hole to be inserted for a predetermined length. Then, by swinging the detachment operation plate, when the expansion mounting portion relatively comes out of the play insertion hole of the removal operation plate, the elastic component is expanded by the play insertion hole peripheral portion of the removal operation plate. The elastic part is pushed upward, the elastic part is detached from the spread mounting part, the elastic part returns elastically, and a state where the elastic part is mounted at a predetermined position of the linear member is obtained.

When the operation on the detachment operation plate is stopped, the operation of the return urging member returns to the initial position where the expanding mounting portion projects from the play insertion hole.

As described above, when the elastic component is mounted on the expansion mounting portion of the pipe body, the through hole of the elastic component is held in the expanded state by the expansion mounting portion. There is no need to hold it, the burden can be reduced, and the labor can be reduced here. In addition, after the elastic component is mounted on the expanded mounting portion of the pipe body, it is only necessary to insert the linear member for a predetermined length, and the number of work steps is not increased, resulting in excellent workability.

[0014] If the upper end of the spread mounting portion is formed to have a notch formed in a tapered shape, the elastic component can be easily mounted on the spread mounting portion.

Further, if the play insertion hole is formed in a long hole shape extending in a direction perpendicular to the pivot axis of the detachment operation plate, the detachment operation plate can be smoothly pivoted. You.

Furthermore, if the base is supported on a support erected on the support so as to be able to adjust the position in the vertical direction, the elastic component can be easily attached to a predetermined position of the linear member.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In FIGS. 1 to 4, reference numeral 10 denotes a jig for mounting an elastic component, A base 13 supported on the support 12 so as to be vertically adjustable, an elastic component mounting pipe body 14 mounted on the base 13 so as to protrude upward, and a swingable operation on the upper surface of the base 13. The detachment operation plate 15 attached and the detachment operation plate 15
And a return spring 16 composed of a coil spring or the like as a return biasing body for returning the spring to the initial position.

The base 13 is formed in a substantially rectangular parallelepiped shape, and has a protrusion 18 on the lower surface of one side. A column fitting insertion hole 19 is formed to penetrate the base 13 and the projection 18 in the vertical direction, and the column 12 is fitted into the column fitting insertion hole 19.

The protrusion 18 has a positioning screw 20.
Is screwed so as to protrude from the outer peripheral surface side into the column fitting insertion hole 19, and by loosening the positioning screw 20, the position of the base 13 can be adjusted vertically along the column 12, and the positioning screw By fastening the base 20, the base 13
Are fixed to the support 12 side in a positioning manner.

A fulcrum 21 having a triangular cross section is formed on the upper surface of one side of the base 13 in the front-rear direction in FIGS.

The pipe body 14 comprises an enlarged mounting portion 23 having an upper outer diameter of a small diameter, and a lower base mounting portion 25 having a larger outer diameter via a step portion 24. A vertical through-hole 26 is formed at the center. Further, the upper end portion of the expanding mounting portion 23 is formed by notching in an inclined shape, and is configured to have a tapered inclined shape.

The base mounting portion 25 of the pipe body 14 is mounted on the other side of the base 13. For example, a female screw hole 28 is formed on the base 13 side, a male screw part 29 screwed into the female screw hole 28 is formed on the outer peripheral surface of the base mounting part 25, and the male screw part 29 of the base mounting part 25 is formed. Is screwed into the female screw hole 28 so that the pipe body 14 is detachably mounted on the base 13.

The through-hole 26 of the pipe 14 has a diameter substantially equal to the outer diameter of the rubber tube 31 as a linear member.

The removal operation plate 15 is formed in an elongated plate shape along the base 13, and an insertion hole 33 through which the support 12 is inserted is formed in a portion corresponding to the support 12, and A play insertion hole 34 is formed in a portion corresponding to the spread mounting portion 23 so that the spread mounting portion 23 can be freely inserted.

The insertion hole 33 is formed to have a slightly larger diameter than the outer diameter of the column 12, and the loose insertion hole 34 has a width slightly larger than the outer diameter of the expanding mounting portion 23. It is formed in a long hole shape extending in a direction perpendicular to the swing axis.

Also, the other end of the detachment operation plate 15
The return spring 16 is stretched over the free end of the support rod 35 provided on the other side of the base 13 so as to protrude in the other direction.

As shown in FIG. 2, in the initial state of the detachment operation plate 15, the column 12 is inserted into the insertion hole 33 of the detachment operation plate 15, and the expansion mounting portion 23 is loosely inserted into the loose insertion hole 34. One end of the detachment operation plate 15 is placed on the fulcrum ridge 21, and the other end of the detachment operation plate 15 abuts on the step 24 of the pipe body 14 under the urging force of the return spring 16. And is configured to be in a substantially horizontal posture. At this time, the height of the expanding mounting portion 23 projecting upward from the play insertion hole 34 of the detachment operation plate 15 is configured to be substantially the same as the thickness of the rubber grommet 36 as an elastic member.

An operation portion 37 which is bent upward is provided at one end of the detachment operation plate 15, and when the operation portion 37 is pressed down, the detachment operation plate 15 is returned to the return spring 16. Fulcrum 21 against the urging force of
The swinging operation can be freely performed with the portion as a fulcrum.

The swinging operation of the detachment operation plate 15 causes the expansion mounting portion 23 of the pipe body 14 to move into the loose insertion hole 34.
It is configured to be able to relatively come and go relatively.

The embodiment of the present invention is configured as described above. When the grommet 36 is mounted at a predetermined position of the rubber tube 31, the positioning screw 20 is loosened and the support base 15 is removed from the upper surface of the removal operation plate 15. After adjusting the position of the base 13 in the vertical direction such that the height H to the upper surface of the rubber tube 31 becomes the insertion length of the rubber tube 31, the positioning screw 20 is fastened to fix the base 13 to the support 12.

In this state, as shown in FIG. 3, if the through-hole 38 of the grommet 36 is hooked on the tapered portion at the upper end of the expanding mounting portion 23, and is pulled down on the opposite side inclined downward, the grommet 36 is pushed in. The grommet 36 shown in FIG.
Is obtained. Here, the through hole 38 of the grommet 36 is held in an expanded state in which the expansion hole 23 expands the through hole 38 to a diameter larger than the outer diameter of the rubber tube 31.

In this state, the rubber tube 31 is inserted into the through hole 26 of the pipe body 14 from above, and when the lower end of the rubber tube 31 contacts the upper surface of the support base 11, the insertion is stopped. In this state, if the operation unit 37 is pressed down, as shown by the phantom line in FIG.
The removal operation plate 15 is rocked with the portion as a fulcrum,
The expansion mounting portion 23 relatively comes out of the play insertion hole 34 of the detachment operation plate 15.

At this time, the play insertion hole 34 of the detachment operation plate 15
The grommet 36 is pushed upward by the peripheral portion from the expanding mounting portion 23, and the grommet 36 is separated from the expanding mounting portion 23. The grommet 36 is elastically restored by the detachment from the expanding mounting portion 23, and a state where the grommet 36 is mounted at a predetermined position of the rubber tube 31 is obtained.

When the operation of the operation portion 37 of the detachment operation plate 15 is stopped, the detachment operation plate 15 returns to the initial position by the action of the return spring 16.

As described above, if the grommet 36 is mounted on the widening mounting portion 23 of the pipe body 14, the through hole 38 of the grommet 36 is held in the widening state by the widening mounting portion 23. There is no need to hold the device in the expanded state, so that the burden on the operator can be reduced, and the labor can be reduced. Further, after the grommet 36 is mounted on the expansion mounting portion 23 of the pipe body 14, the rubber tube 31 only needs to be inserted by a predetermined length, and the number of work steps does not increase, and the workability is excellent.

Further, since the upper end portion of the expanding mounting portion 23 is formed to be tapered and inclined, the grommet 36 can be easily mounted on the expanding mounting portion 23. Further, the play insertion hole 34
However, since it is formed in a long hole shape extending in a direction perpendicular to the swing axis of the detachment operation plate 15, the swing operation of the detachment operation plate 15 can be performed smoothly.

In addition, since the base 13 is supported on the column 12 so that the vertical position can be adjusted, the height H of the base 13 with respect to the support 11 is set to a predetermined height, so that each time the rubber tube is used. The grommet 36 can be easily attached to a predetermined position of the rubber tube 31 without measuring the insertion length of the rubber tube 31.

In the above embodiment, the rubber grommet 36 is shown as an elastic part, but other elastic parts may be used. Further, the material is not limited to the rubber tube 31 and may be a linear member such as a bundle of electric wires. Further, a structure in which a fulcrum is provided on the lower surface side of the detachment operation plate 15 may be employed. In addition, pipe bodies 14 of various shapes are prepared in advance, and the pipe bodies 1 are appropriately formed according to elastic parts and linear members.
4 may be replaced.

[0039]

As described above, according to the jig for mounting an elastic component of the present invention, the base and the expansion mounting portion in which the through-hole of the elastic component is mounted on the upper surface side of the base in an expanding manner. The elastic component mounting pipe body, which is mounted on the base as an upwardly projecting shape and forms a vertical through hole into which the linear member is inserted together with the base, and the expanded mounting portion of the pipe body is loosely inserted. A detachable operation plate having a play insertion hole, which is swingably mounted on the upper surface side of the base, wherein the swinging operation allows the spread mounting portion to be freely protruded and retracted from the play insertion hole; A return biasing body for returning the expansion mounting portion to an initial position where the expansion insertion portion is loosely inserted into the play insertion hole, wherein an operator holds the through hole of the elastic component with the expansion body. It is not necessary to reduce labor, and the number of work steps does not increase compared to the conventional one, and it is excellent in workability. Cormorants has the advantage.

In addition, if the upper end portion of the spread mounting portion is formed to have a notch formed in a tapered shape, there is an advantage that the elastic component can be easily mounted on the spread mounting portion.

Further, if the play insertion hole is formed in a long hole shape extending in a direction perpendicular to the pivot axis of the detachment operation plate, the detachment operation plate can be swung smoothly. The advantage is that

Furthermore, if the base is supported by a column erected on the support so as to be adjustable in the vertical direction, the elastic component can be easily mounted at a predetermined position of the linear member. There is.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a side view showing an embodiment of the present invention.

FIG. 3 is a partial side view showing an embodiment of the present invention.

FIG. 4 is a side view showing an embodiment of the present invention.

FIG. 5 is a perspective view showing a conventional example.

FIG. 6 is a perspective view showing a conventional example.

FIG. 7 is a perspective view showing a conventional example.

FIG. 8 is a perspective view showing a conventional example.

[Explanation of symbols]

 REFERENCE SIGNS LIST 10 jig 11 support base 12 support 13 base 14 pipe body 15 detachment operation plate 16 return spring 18 protrusion 19 support fitting insertion hole 20 positioning screw 21 fulcrum ridge 23 expansion mounting part 26 through hole 31 rubber tube 34 play insertion Hole 36 Grommet 37 Operation part 38 Through hole

Claims (4)

(57) [Claims] 1. A jig for mounting an elastic component for inserting a linear member having a diameter larger than the diameter of the through hole into a through hole of the elastic component, the jig for mounting an elastic component comprising: a base; On the side, a resilient component is mounted on the base with an expanded mounting portion in which a through hole of an elastic component is mounted in an expanded shape, and is formed with the base to form a vertical through hole into which the linear member is inserted. A pipe body for component mounting, and an expansion mounting portion of the pipe body has a play insertion hole in a loose insertion shape, and is swingably mounted on the upper surface side of the base, and the expansion mounting portion is formed by the swing operation. A detachable operation plate that can be freely inserted into and retracted from the play insertion hole; and a return biasing member that returns the detachment operation plate to an initial position where the expansion mounting portion is freely inserted into the play insertion hole. An elastic component mounting jig characterized by the above-mentioned. 2. The elastic component mounting jig according to claim 1, wherein an upper end portion of the expanding mounting portion is formed by cutting out in a tapered shape. 3. The elastic component mounting according to claim 2, wherein the play insertion hole is formed in a long hole shape extending in a direction perpendicular to a swing axis of the detachment operation plate. jig. 4. The elastic component mounting jig according to claim 3, wherein said base is supported by a column erected on a support base so as to be capable of adjusting a vertical position.