JP6959282B2 - Seal ring mounting equipment - Google Patents

Description

The present invention relates to a seal ring mounting device used when mounting a seal ring used for a sliding gap between a rod (piston rod) and a cylinder in an hydraulic / pneumatic device or the like in a seal groove provided in the cylinder. ..

For example, in the sliding gap between the cylinder and the rod (piston rod) in a hydraulic device, leakage of hydraulic oil introduced into the oil chamber (leakage of hydraulic oil from the high pressure side to the low pressure side) is prevented, and the rod In order to smoothly realize the reciprocating motion, a seal structure is adopted in which the seal ring is fitted into the seal groove provided in the cylinder. Such a seal structure is disclosed in Japanese Patent Application Laid-Open No. 2014-214768 (Patent Document 1).

Japanese Unexamined Patent Publication No. 2014-214768

When fitting the seal ring into the seal groove, it is necessary to deform the seal ring, but when the rigidity of the seal ring is relatively large, a large force is required to deform the seal ring. Conventionally, the seal ring has been deformed manually, but the work efficiency has not been good. Furthermore, if it is unlikely that it can be installed manually, the seal ring may be damaged or may not be installed properly by forcibly pushing it in with a tool (driver's handle, hexagon, etc.), and the performance of the seal ring is appropriate. There was a risk that it could not be demonstrated.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a seal ring mounting device capable of efficiently deforming the seal ring when fitting the seal ring into the seal groove. be.

The seal ring mounting device based on the present invention is a seal ring mounting device for deforming the seal ring when the seal ring is fitted into the seal groove, and has the following configuration.

Arranged between the first handle including the first leg and the second leg whose one end side is bifurcated, and the first grip for gripping on the other end side, and the first leg and the second leg. A second grip is provided on the other end side so as to be rotatable relative to the first handle, centering on a support shaft with respect to the first handle. It is equipped with a handle.

The tip of the first leg on one end includes a first engaging portion that engages with the seal ring, and the tip of the second leg on one end is engaged with the seal ring. A second engaging portion that fits is included, a third engaging portion that engages with the seal ring is included in the tip end portion of the second handle on one end side, and the support shaft is the same as the first leg portion. The second handle is provided so as to bridge the second leg, and the second handle is rotatably supported with respect to the support shaft located between the first leg and the second leg. There is.

In the first state position where the second grip of the second handle is farthest from the first grip, the third engaging portion of the second handle is the second grip when viewed from the first handle. Is located on the opposite side, and in the second state position where the second grip of the second handle is closest to the first grip, the third engaging portion of the second handle is viewed from the first handle. It is located on the same side as the second grip.

In another embodiment, the support shaft has an urging member that urges the first handle and the second handle to the first state position in a steady state.

In another form, the first engaging portion and the second engaging portion have a recess facing the third engaging portion side, and the third engaging portion is the first engaging portion. And has a recess facing the second engaging portion side.

In another form, the first engaging portion and the second engaging portion are provided so that the depth of the recess is deep on one end side and shallow on the other end side.

In another embodiment, the first leg portion has a movement blocking member that prevents the seal ring engaged with the first engaging portion from moving to the other end side, and the second leg portion comprises a movement blocking member. It has a movement blocking member that prevents the sealing ring engaged with the second engaging portion from moving to the other end side.

According to this seal ring mounting device, it is possible to efficiently deform the seal ring and fit the seal ring into the seal groove.

It is a 1st perspective view which shows the whole structure of the seal ring mounting apparatus of Embodiment 1. FIG. It is a 2nd perspective view which shows the whole structure of the seal ring mounting apparatus of Embodiment 1. FIG. It is a perspective view of the state which held the handle of the seal ring mounting apparatus of Embodiment 1. FIG. FIG. 3 is a cross-sectional view taken along the line IV-IV in FIG. It is a 1st perspective view which shows the use state of the seal ring mounting apparatus of Embodiment 1. FIG. It is a 2nd perspective view which shows the use state of the seal ring mounting apparatus of Embodiment 1. FIG. It is a 1st perspective view which shows the whole structure of the seal ring mounting apparatus of Embodiment 2. It is a 2nd perspective view which shows the whole structure of the seal ring mounting apparatus of Embodiment 2. FIG. It is a perspective view of the state which held the handle of the seal ring mounting apparatus of Embodiment 2. It is a 1st perspective view which shows the use state of the seal ring mounting apparatus of Embodiment 2. FIG. It is a 2nd perspective view which shows the use state of the seal ring mounting apparatus of Embodiment 2. FIG. It is a 1st perspective view which shows the whole structure of the seal ring mounting apparatus of Embodiment 3. It is a 2nd perspective view which shows the whole structure of the seal ring mounting apparatus of Embodiment 3. It is a perspective view of the state which held the handle of the seal ring mounting apparatus of Embodiment 3. It is a 1st perspective view which shows the use state of the seal ring mounting apparatus of Embodiment 3. FIG. It is a 2nd perspective view which shows the use state of the seal ring mounting apparatus of Embodiment 3. FIG. It is a perspective view which shows the whole structure of the seal ring mounting apparatus of Embodiment 4. It is a perspective view which shows the whole structure of the seal ring mounting apparatus of Embodiment 5. It is a perspective view which shows the whole structure of the seal ring mounting apparatus of Embodiment 6.

The seal ring mounting device of each embodiment based on the present invention will be described below with reference to the drawings. When the number, quantity, etc. are referred to in each of the embodiments described below, the scope of the present invention is not necessarily limited to the number, quantity, etc., unless otherwise specified. The same reference number may be assigned to the same part or equivalent part, and duplicate explanations may not be repeated. It is planned from the beginning to use the configurations in each embodiment in appropriate combinations. In the figure, the actual dimensional ratios are not shown, but some ratios are shown differently in order to facilitate understanding of the structure.

(Embodiment 1: Seal ring mounting device 100)
The seal ring mounting device 100 of the present embodiment will be described with reference to FIGS. 1 to 6. 1 and 2 are a first perspective view and a second perspective view showing the overall configuration of the seal ring mounting device 100, and FIG. 3 is a perspective view of the seal ring mounting device 100 in a state of being held. 3 is a cross-sectional view taken along the line IV-IV in FIG. 3, and FIGS. 5 and 6 are a first perspective view and a second perspective view showing a usage state of the seal ring mounting device 100.

With reference to FIGS. 1 and 2, the seal ring mounting device 100 is a seal ring for deforming the seal ring when the seal ring is fitted into the seal groove provided in an annular shape on the inner peripheral surface of the cylinder. It is a mounting device.

The seal ring mounting device 100 has a first handle 110 and a second handle 120. The first handle 110 includes a first leg portion 112a and a second leg portion 112b whose one end side is bifurcated, and a first grip 111 for gripping on the other end side. The first leg portion 112a and the second leg portion 112b have a structure in which a round bar is molded into a U shape, and the first grip 111 is fixed to the apex portion of the U-shaped round bar by welding.

A first engaging portion 113a that engages with the seal ring is provided at the tip end portion of the first leg portion 112a on one end side. Similarly, a second engaging portion 113b that engages with the seal ring is also provided at the tip end portion on one end side of the second leg portion 112b.

The second handle 120 is arranged so as to pass between the first leg portion 112a and the second leg portion 112b, includes a second grip 121 for gripping on the other end side, and is supported with respect to the first handle 110. It is provided so as to be rotatable relative to the first handle 110 about the shaft 130.

A third engaging portion 123 that engages with the seal ring is provided at the tip end portion of the second handle 120 on one end side.

The support shaft 130 is provided so as to bridge the first leg portion 112a and the second leg portion 112b. Both ends of the support shaft 130 penetrate the first leg portion 112a and the second leg portion 112b, respectively, and are prevented from coming off by the C ring 122.

A triangular support plate 126 is provided at the center of the second handle 120, and a support shaft 130 is fixed to the support plate 126.

With reference to FIG. 2, the third engaging portion 123 of the second handle 120 includes recesses facing the first engaging portion 113a and the second engaging portion 113b.

With reference to FIG. 4, the first engaging portion 113a and the second engaging portion 113b of the first handle 110 are recesses facing the third engaging portion 123 side of the second handle 120, and the present embodiment. The first engaging portion 113a and the second engaging portion 113b are provided so that the depth of the recess is deep on one end side and shallow on the other end side.

Again, with reference to FIGS. 1 and 2, the illustrated state is the first state position where the second grip 121 of the second handle 120 is farthest from the first grip 111, and the third engagement of the second handle 120. The portion 123 is located on the side opposite to the second grip 121 when viewed from the first handle 110.

On the other hand, with reference to FIG. 3, the illustrated state shows the state after the second handle 120 is rotated in the direction of the arrow A in the drawing with the support shaft 130 stopped, and the second handle 120 is the second. The grip 121 is in the second state position closest to the first grip 111, and the third engaging portion 123 of the second handle 120 is located on the same side as the second grip 121 when viewed from the first handle 110. ..

The first handle 110 and the second handle 120 are rotatable about each other with the support shaft 130 as the center of rotation. However, when the first handle 110 is observed in a fixed state, the second handle 120 is shown in FIG. It is possible to move between the first state position shown in FIG. 3 and the second state position shown in FIG.

A coil spring 140 is attached to the support shaft 130, one end of which is fixed to the support shaft 130, and the other end of which is fixed to the support plate 126. As the urging force (torsional force) of the coil spring 140, a force that urges the first handle 110 and the second handle 120 to the first state position acts. A stopper rod 141 is bridged between the first leg portion 112a and the second leg portion 112b, and the second handle 120 comes into contact with the stopper rod 141 to fix the rotational position of the second handle 120. In this way, the coil spring 140 and the stopper rod 141 constitute the urging member.

(Deformation of seal ring 1000)
The usage state of the seal ring mounting device 100 having the above configuration will be described with reference to FIGS. 5 and 6. As shown in FIG. 5, the seal ring mounting device 100 in the steady state (first state position) is sealed on the first engaging portion 113a, the second engaging portion 113b, and the third engaging portion 123. Position the ring 1000. Specifically, the first engaging portion 113a and the second engaging portion 113b are located on the inner peripheral surface side of the seal ring 1000, and the third engaging portion 123 is located on the outer peripheral surface side of the seal ring 1000.

As shown in FIG. 6, the user grips the first grip 111 of the first handle 110 and the second grip 121 of the second handle 120, and brings the first grip 111 and the second grip 121 close to each other. As a result, as shown in FIG. 6, the seal ring 1000 is deformed into a substantially heart shape in a plan view.

Thereby, the maximum outer diameter dimension of the seal ring 1000 can be made smaller than the diameter dimension of the seal ring 1000 in the normal state. As a result, in this state, the seal ring 1000 is carried to the seal groove provided in an annular shape on the inner peripheral surface of the cylinder, and the diameter of the seal ring 1000 is gradually increased to easily reach the inner peripheral surface of the cylinder. It is possible to fit the seal ring 1000 into the seal groove provided in the ring shape.

(Embodiment 2: Seal ring mounting device 200)
The seal ring mounting device 200 of the present embodiment will be described with reference to FIGS. 7 to 11. 7 and 8 are a first perspective view and a second perspective view showing the overall configuration of the seal ring mounting device 200, and FIG. 9 is a perspective view showing the handle of the seal ring mounting device 200 in a state of being held. 11 and 11 are a first perspective view and a second perspective view showing a usage state of the seal ring mounting device 200.

With reference to FIGS. 7 and 8, the seal ring mounting device 200 is similar to the first embodiment when the seal ring is fitted into the seal groove provided in an annular shape on the inner peripheral surface of the cylinder. It is a seal ring mounting device for deforming.

The seal ring mounting device 200 has a first handle 210 and a second handle 220. The first handle 210 includes a first leg portion 212a and a second leg portion 212b whose one end side is bifurcated, and a first grip 211 for gripping on the other end side. The first leg portion 212a and the second leg portion 212b are fixed to one end side of the connecting plate 215, and the first grip 211 is fixed to the other end side of the connecting plate 215.

Similar to the first embodiment, the first engaging portion 113a that engages with the seal ring is provided at the tip end portion of the first leg portion 212a on one end side. Similarly, a second engaging portion 113b that engages with the seal ring is also provided at the tip end portion on one end side of the second leg portion 112b. The positions and shapes of the first engaging portion 113a and the second engaging portion 113b are the same as those in the first embodiment.

A movement blocking member 213a that prevents the seal ring engaged with the first engaging portion 113a from moving to the other end side is attached to the other end side (upper side in the drawing) near the first engaging portion 113a. There is. The movement blocking member 213a is made of a rod-shaped member, and is provided so as to project in the same direction as the axial direction of the support shaft 230, which will be described later.

A movement blocking member 213b that prevents the seal ring engaged with the second engaging portion 113b from moving to the other end side is attached to the other end side (upper side in the drawing) near the second engaging portion 113b. There is. The movement blocking member 213b is made of a rod-shaped member, and is provided so as to project in the same direction as the axial direction of the support shaft 230, which will be described later.

The second handle 220 is arranged so as to pass between the first leg portion 212a and the second leg portion 212b, includes a second grip 221 for gripping on the other end side, and is supported with respect to the first handle 210. It is provided so as to be rotatable relative to the first handle 210 about the shaft 230.

A third engaging portion 123 that engages with the seal ring is provided at the tip end portion of the second handle 220 on one end side. The position and shape of the third engaging portion 123 are the same as those in the first embodiment.

The support shaft 230 is provided so as to penetrate the inside of the connecting plate 215. Both ends of the support shaft 230 are prevented from coming off by the C ring 222.

A triangular support plate 226 is provided at the center of the second handle 220, and a support shaft 230 is fixed to the support plate 226. The connecting plate 215 is provided with a rectangular through hole 216, and the support plate 226 is housed in the through hole 216.

The state shown in FIGS. 7 and 8 is the first state position in which the second grip 221 of the second handle 220 is farthest from the first grip 211, and the third engaging portion 123 of the second handle 220 is the first. It is located on the opposite side of the second grip 221 when viewed from the handle 210.

On the other hand, with reference to FIG. 9, the illustrated state shows the state after the second handle 220 is rotated in the direction of the arrow A in the drawing with the support shaft 230 stopped, and the second handle 220 is the second. The grip 221 is in the second state position closest to the first grip 211, and the third engaging portion 123 of the second handle 220 is located on the same side as the second grip 221 when viewed from the first handle 210. ..

The first handle 210 and the second handle 220 are rotatable about each other with the support shaft 230 as the center of rotation, but when observed with the first handle 210 fixed, the second handle 220 is shown in FIG. 7. It is possible to move between the first state position shown in FIG. 9 and the second state position shown in FIG.

Similar to the first embodiment, a coil spring is mounted on the support shaft 230 inside the connecting plate 215, one end of which is fixed to the support shaft, and the other end of which is fixed to the support plate 226. As the urging force (torsional force) of the coil spring, a force that urges the first handle 210 and the second handle 220 to the first state position acts. The lower end of the connecting plate 215 functions as a stopper rod according to the first embodiment, and the second handle 220 comes into contact with the lower end to fix the rotational position of the second handle 220.

(Deformation of seal ring 1000)
A usage state of the seal ring mounting device 200 having the above configuration will be described with reference to FIGS. 10 and 11. As shown in FIG. 10, the seal ring mounting device 200 in the steady state (first state position) is sealed on the first engaging portion 113a, the second engaging portion 113b, and the third engaging portion 123. Position the ring 1000. Specifically, the first engaging portion 113a and the second engaging portion 113b are located on the inner peripheral surface side of the seal ring 1000, and the third engaging portion 123 is located on the outer peripheral surface side of the seal ring 1000.

As shown in FIG. 11, the user grips the first grip 211 of the first handle 210 and the second grip 221 of the second handle 220, and brings the first grip 211 and the second grip 221 close to each other. As a result, as shown in FIG. 11, the seal ring 1000 is deformed into a substantially heart shape in a plan view.

Thereby, the maximum outer diameter dimension of the seal ring 1000 can be made smaller than the diameter dimension of the seal ring 1000 in the normal state. As a result, in this state, the seal ring 1000 is carried to the seal groove provided in an annular shape on the inner peripheral surface of the cylinder, and the diameter of the seal ring 1000 is gradually increased to easily reach the inner peripheral surface of the cylinder. It is possible to fit the seal ring 1000 into the seal groove provided in the ring shape.

Further, in the seal ring mounting device 200 of the present embodiment, the movement blocking member 213a is provided in the vicinity of the first engaging portion 113a, and the movement blocking member 213b is provided in the vicinity of the second engaging portion 113b. There is. This makes it possible to prevent the seal ring 1000 from being deformed to the other end side (upper side in the drawing) and to deform the seal ring 1000 in the same plane.

(Embodiment 3: Seal ring mounting device 300)
The seal ring mounting device 300 of the present embodiment will be described with reference to FIGS. 12 to 16. 12 and 13 are a first perspective view and a second perspective view showing the overall configuration of the seal ring mounting device 300, and FIG. 14 is a perspective view of the seal ring mounting device 300 in a state of being held. And FIG. 16 is a first perspective view and a second perspective view showing a usage state of the seal ring mounting device 300.

With reference to FIGS. 12 and 13, the seal ring mounting device 300 is similar to the first embodiment when the seal ring is fitted into the seal groove provided in an annular shape on the inner peripheral surface of the cylinder. It is a seal ring mounting device for deforming.

The seal ring mounting device 300 has a first handle 310 and a second handle 320. The first handle 310 includes a first leg portion 312a and a second leg portion 312b whose one end side is bifurcated, and a first grip 311 for gripping on the other end side. The first leg portion 312a and the second leg portion 312b are fixed to one end side of the connecting plate 315, and the first grip 311 is fixed to the other end side of the connecting plate 315.

Similar to the first embodiment, the first engaging portion 313a that engages with the seal ring is provided at the tip end portion of the first leg portion 312a on one end side. Similarly, a second engaging portion 313b that engages with the seal ring is provided at the tip end portion on one end side of the second leg portion 312b. The positions and shapes of the first engaging portion 313a and the second engaging portion 313b are the same as those in the first embodiment.

The second handle 320 is arranged so as to pass between the first leg portion 312a and the second leg portion 312b, includes a second grip 321 for gripping on the other end side, and supports the first handle 310. It is provided so as to be rotatable relative to the first handle 310 about the shaft 330.

A third engaging portion 123 that engages with the seal ring is provided at the tip end portion of the second handle 320 on one end side. The position and shape of the third engaging portion 123 are the same as those in the first embodiment.

The support shaft 330 is provided so as to penetrate the inside of the connecting plate 315. Both ends of the support shaft 330 are prevented from coming off by the C ring 322.

A triangular support plate 326 is provided at the center of the second handle 320, and a support shaft 330 is fixed to the support plate 326. The connecting plate 315 is provided with a rectangular through hole 316, and the support plate 326 is housed in the through hole 316.

The connecting plate 315 is provided with a seal ring support member 350 extending toward the second grip 321 of the second handle 320. The seal ring support member 350 includes a first support rod 350a and a second support rod 350b extending from the connecting plate 315 toward the second grip 321 side of the second handle 320.

The first support rod 350a includes a horizontal portion 350a1 extending in a substantially horizontal direction and a hanging portion 350a2 extending to one end side of the first handle 310. At the tip of the hanging portion 350a2, an inclined portion 351a for receiving the seal ring and a holding pin 352a for holding the seal ring from above are provided.

Further, a coil spring 353a is fitted in the horizontal portion 350a1, and the first support rod 350a is provided so that the amount of protrusion from the connecting plate 315 can be adjusted according to the inner diameter of the seal ring.

Like the first support rod 350a, the second support rod 350b also includes a horizontal portion 350b1 extending in a substantially horizontal direction and a hanging portion 350b2 extending to one end side of the first handle 310. At the tip of the hanging portion 350b2, an inclined portion 351b for receiving the seal ring and a holding pin 352b for holding the seal ring from above are provided.

A coil spring 353b is fitted in the horizontal portion 350b1, and the second support rod 350b is provided so that the amount of protrusion from the connecting plate 315 can be adjusted according to the inner diameter of the seal ring.

The seal ring support member 350 having the above-described configuration functions as a movement blocking member that prevents the sealing ring from moving to the other end side.

(Deformation of seal ring 1000)
A usage state of the seal ring mounting device 300 having the above configuration will be described with reference to FIGS. 15 and 16. As shown in FIG. 15, the seal ring mounting device 300 in the steady state (first state position) is sealed on the first engaging portion 313a, the second engaging portion 313b, and the third engaging portion 323. Position the ring 1000. Specifically, the first engaging portion 313a and the second engaging portion 313b are located on the inner peripheral surface side of the seal ring 1000, and the third engaging portion 323 is located on the outer peripheral surface side of the seal ring 1000.

Further, the horizontal portion 350a1 of the first support rod 350a is supported so that the seal ring 1000 is supported by the inclined portion 351a and the holding pin 352a of the first support rod 350a and the inclined portion 351b and the holding pin 352b of the second support rod 350b. And the protrusion length of the horizontal portion 350b1 of the second support rod 350b are adjusted.

As shown in FIG. 16, the user grips the first grip 311 of the first handle 310 and the second grip 321 of the second handle 320, and brings the first grip 311 and the second grip 321 close to each other. As a result, as shown in FIG. 16, the seal ring 1000 is deformed into a substantially heart shape in a plan view.

Thereby, the maximum outer diameter dimension of the seal ring 1000 can be made smaller than the diameter dimension of the seal ring 1000 in the normal state. As a result, in this state, the seal ring 1000 is carried to the seal groove provided in an annular shape on the inner peripheral surface of the cylinder, and the diameter of the seal ring 1000 is gradually increased to easily reach the inner peripheral surface of the cylinder. It is possible to fit the seal ring 1000 into the seal groove provided in the ring shape.

Further, in the seal ring mounting device 200 of the present embodiment, since the seal ring 1000 is held by the first support rod 350a and the second support rod 350b, the other end side of the seal ring 1000 (upper side in the drawing). ), And the seal ring 1000 can be deformed in the same plane.

(Embodiment 4: Seal ring mounting device 400)
The seal ring mounting device 400 of the present embodiment will be described with reference to FIG. FIG. 17 is a perspective view showing the overall configuration of the seal ring mounting device 400 of the present embodiment.

Since the basic configuration of the seal ring mounting device 400 is the same as that of the seal ring mounting device 100 of the first embodiment, the same reference number is assigned to the same part, and the duplicate description is repeated. No.

In the seal ring mounting device 100 shown in the first embodiment, the second grip 121 is provided with a triangularly bent portion, and the triangular support plate 126 is provided in the region thereof. On the other hand, in the present embodiment, the triangular support plate 426 is provided without bending the second grip 121. Also in this configuration, the same action and effect as that of the seal ring mounting device 100 of the first embodiment can be obtained.

(Embodiment 5: Seal ring mounting device 500)
The seal ring mounting device 500 of the present embodiment will be described with reference to FIG. Since the basic configuration of the seal ring mounting device 500 is the same as that of the seal ring mounting device 400 of the fourth embodiment, the same reference number is assigned to the same place, and the duplicate description is repeated. No.

In the seal ring mounting device 400 shown in the fourth embodiment, the first engaging portion 113a and the second engaging portion 113b of the first handle 110 face each other on the third engaging portion 123 side of the second handle 120. It is composed of recesses. However, in the present embodiment, both the first engaging portion 513a and the second engaging portion 513b of the first handle 110 are composed of a shaft portion having a diameter smaller than the diameter of the round bar of the first handle 110. Has been done. Also in this configuration, the same action and effect as that of the seal ring mounting device 400 of the fourth embodiment can be obtained.

(Embodiment 6: Seal ring mounting device 600)
The seal ring mounting device 600 of the present embodiment will be described with reference to FIG. Since the basic configuration of the seal ring mounting device 600 is the same as that of the seal ring mounting device 500 of the fifth embodiment, the same reference number is assigned to the same part, and the duplicate description is repeated. No.

In the seal ring mounting device 500 shown in the fifth embodiment, the first leg portion 112a and the second leg portion 112b have a configuration in which a round bar is molded into a U shape. However, in the present embodiment, the first leg portion 612a and the second leg portion 612b have a structure formed by cutting from a plate material. Also in this configuration, it is possible to obtain the same action and effect as the seal ring mounting device 500 of the fifth embodiment.

Although the embodiments of the present invention have been described above, it should be considered that the embodiments disclosed this time are exemplary in all respects and are not restrictive. The scope of the present invention is indicated by the claims and is intended to include all modifications within the meaning and scope equivalent to the claims.

100,200,300,400,500,600 Mounting equipment, 110,210,310 1st handle, 111,211,311 1st grip, 112a, 212a, 312a, 612a 1st leg, 112b, 212b, 312b , 612b 2nd leg, 113a, 313a, 513a 1st engaging, 113b, 313b, 513b 2nd engaging, 120, 220, 320 2nd handle, 121,221,321 2nd grip, 122,222 , 322 ring, 123,323 third engaging part, 126,226,326,426 support plate, 130,230,330 support shaft, 140,353a,353b coil spring, 141 stopper rod, 213a, 213b movement blocking member, 215 , 315 connecting plate, 216,316 through hole, 350 support member, 350a2, 350b2 hanging part, 350a first support rod, 350a1,350b1 horizontal part, 350b second support rod, 351a, 351b inclined part, 352a, 352b holding pin , 1000 seal ring.

Claims (5)

A seal ring mounting device for deforming the seal ring when the seal ring is fitted into the seal groove.
A first handle including a first leg portion and a second leg portion whose one end side is bifurcated, and a first grip for gripping on the other end side.
The first handle is arranged between the first leg and the second leg, includes a second grip for gripping on the other end side, and is centered on a support shaft with respect to the first handle. A second handle that is rotatably provided relative to
With
The tip of the first leg on one end side includes a first engaging portion that engages with the seal ring.
The tip of the second leg on one end side includes a second engaging portion that engages with the seal ring.
The tip of the second handle on one end side includes a third engaging portion that engages with the seal ring.
The second handle is provided with a triangular support plate without bending the second grip, and the support plate is provided with the support shaft.
The support shaft is provided so as to bridge the first leg portion and the second leg portion.
The second handle is rotatably supported with respect to the support shaft located between the first leg and the second leg.
In the first state position where the second grip of the second handle is farthest from the first grip, the third engaging portion of the second handle is the second grip when viewed from the first handle. Is located on the other side,
In the second state position where the second grip of the second handle is closest to the first grip, the third engaging portion of the second handle is the same as the second grip when viewed from the first handle. A device for attaching a seal ring located on the same side. The seal ring mounting device according to claim 1, wherein the support shaft has an urging member that urges the first handle and the second handle to the first state position in a steady state. The first engaging portion and the second engaging portion have a recess facing the third engaging portion side.
The seal ring mounting device according to claim 1 or 2, wherein the third engaging portion has a recess facing the first engaging portion and the second engaging portion side. The seal ring mounting device according to claim 3, wherein the first engaging portion and the second engaging portion are provided so that the depth of the recess is deep on one end side and shallow on the other end side. The first leg portion has a movement blocking member that prevents the seal ring engaged with the first engaging portion from moving to the other end side.
The second leg portion according to any one of claims 1 to 4, wherein the second leg portion has a movement blocking member that prevents the seal ring engaged with the second engaging portion from moving to the other end side. Seal ring mounting equipment.

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