CN219444902U

CN219444902U - Clamp for disassembling valve sealing ring

Info

Publication number: CN219444902U
Application number: CN202320683429.XU
Authority: CN
Inventors: 罗辑; 周晖强; 杨盼; 黄宇坤; 梁勇
Original assignee: Changsha 5712 Aircraft Industry Co ltd
Current assignee: Changsha 5712 Aircraft Industry Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-08-01
Anticipated expiration: 2033-03-30

Abstract

The utility model discloses a clamp for disassembling a valve sealing ring, which comprises the following components: the device comprises a screw, a connecting seat, an adjusting nut, an expansion seat and an adjusting rod; the screw rod penetrates through the connecting seat from top to bottom, the adjusting rod penetrates through the expansion seat from bottom to top, and the bottom of the screw rod is connected with the top of the adjusting rod; the connection position of the bottom of the expansion seat and the adjusting rod is adjusted to realize that the expansion seat expands to a preset width and is abutted with a sealing ring to be disassembled in the valve seat; adjusting nut is equipped with in adjusting pole top periphery, and adjusting nut is used for locking expansion seat top and adjusting lever's junction, and the connecting seat bottom is in butt with adjusting nut top, promotes the connecting seat, realizes that the expansion seat will wait to dismantle the sealing washer release. The utility model has the advantages of compact structure, simple and convenient operation, high mechanical strength, low cost and the like, solves the problems of damage to the valve port matching surface of the valve, scrapping of the whole valve and the like caused by improper operation in the process of disassembling the sealing ring, reduces the disassembling difficulty of the sealing ring and prolongs the service life of the plate valve.

Description

Clamp for disassembling valve sealing ring

Technical Field

The utility model belongs to the technical field of aircraft overhaul, and particularly relates to a clamp for disassembling a valve sealing ring.

Background

The cut-off valve is arranged on an oil supply main pipe of the aircraft engine and used for cutting off the oil supply main pipe, and the cut-off valve can be used for opening and closing the valve in a manual operation mode and an electric operation mode. In the aircraft repair process, when the valve sealing ring (which is formed by embedding a rubber ring into an aluminum piece) is detached from the electromagnetic switch of the plate-type valve, an effective means for detaching the valve sealing ring is lacked. The sealing ring of the plate valve is in interference fit with the valve seat, the upper sealing ring and the lower sealing ring are matched for use, a gap between the upper sealing ring and the lower sealing ring only can pass through the plate valve, the sealing ring cannot be taken out by adopting a hooking or knocking method, the valve seat is made of aluminum, and the valve port matching surface of the valve is damaged due to slight carelessness, so that the whole valve is scrapped.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the clamp for disassembling the valve sealing ring, which has the advantages of compact structure, simple and convenient operation, high mechanical strength and low cost.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a clamp for valve seal disassembly, comprising: the device comprises a screw, a connecting seat, an adjusting nut, an expansion seat and an adjusting rod; the bottom of the screw rod penetrates through the connecting seat from top to bottom, the top of the adjusting rod penetrates through the expansion seat from bottom to top, and the bottom of the screw rod is connected with the top of the adjusting rod; the connection position of the bottom of the expansion seat and the adjusting rod is adjusted to realize that the expansion seat expands to a preset width and is abutted with a sealing ring to be disassembled in the valve seat; the top periphery of adjusting the pole is equipped with adjusting nut, adjusting nut is used for locking the junction of expansion seat top and adjusting lever, connecting seat bottom and adjusting nut top butt promote the connecting seat, realize that the expansion seat will wait to dismantle the sealing washer release.

As a further improvement of the present utility model, the expansion seat includes: the expansion seat comprises an expansion seat body, a gasket, a bulge and an expansion groove, wherein the middle part of the expansion seat body is a through cavity, and the top of the adjusting rod penetrates through the expansion seat body from bottom to top; the lower part of the expansion seat body is provided with a plurality of gaskets, and the outer edges of the gaskets are provided with bulges; the side part of the expansion seat body is provided with a plurality of expansion grooves; the connection position of the bottom of the expansion seat body and the adjusting rod is adjusted to drive the expansion groove to expand, so that the gasket is expanded, and the bulge is abutted with the sealing ring to be detached in the valve seat.

As a further improvement of the utility model, the cross section of the gasket is in a fan-shaped structure, and a plurality of gaskets are enclosed into a circular ring-shaped structure.

As a further improvement of the present utility model, the thickness of the protrusions is smaller than the thickness of the spacers.

As a further improvement of the utility model, the top of the adjusting rod is provided with external threads, the bottom of the screw rod is provided with an internal thread groove, and the top of the adjusting rod is in threaded connection with the bottom of the screw rod through the external threads and the internal thread groove.

As a further improvement of the utility model, the lower part of the adjusting rod is provided with the conical cap, the bottom of the expansion seat body is connected with the conical cap, and the connection position of the bottom of the expansion seat body and the conical cap is adjusted to drive the expansion groove to expand, so that the gasket is expanded and the bulge is abutted with the sealing ring to be disassembled in the valve seat.

As a further improvement of the utility model, the length a of the screw rod is 120+/-10 mm.

As a further improvement of the utility model, the length b of the connecting seat is 50+/-5 mm.

As a further improvement of the utility model, the connecting seat is made of steel.

As a further improvement of the utility model, the expansion seat is made of an aluminum alloy material.

Compared with the prior art, the utility model has the advantages that:

according to the clamp for disassembling the valve sealing ring, the bottom of the screw rod penetrates through the connecting seat from top to bottom, the top of the adjusting rod penetrates through the expansion seat from bottom to top, the bottom of the screw rod is connected with the top of the adjusting rod, and the periphery of the top of the adjusting rod is provided with the adjusting nut for locking the joint of the top of the expansion seat and the adjusting rod, so that the clamp with the expandable size is obtained; through adjusting the hookup location of expansion seat bottom and regulating lever, realized the expansion seat inflation promptly to predetermineeing the width to treat the sealing washer butt of dismantling in the valve seat, connecting seat bottom and adjusting nut top butt promote the connecting seat, can drive the expansion seat and release the sealing washer in the valve, avoided valve seat inner wall to be damaged, can dismantle the sealing washer with the help of the strength of impact seat in the in-process of dismantling the sealing washer and dismantle the following, need not additionally strike with the hammer, improved the dismantlement efficiency of sealing washer.

Drawings

Fig. 1 is a schematic structural diagram of the clamp for disassembling the valve sealing ring in a working state.

Fig. 2 is an exploded view of the clamp for valve seal removal of the present utility model.

Fig. 3 is a schematic structural diagram of a connecting rod according to the present utility model.

Fig. 4 is a schematic structural diagram of a connecting seat according to the present utility model.

Fig. 5 is a schematic structural diagram of an expansion seat according to the present utility model.

Fig. 6 is a schematic view of another view of the expansion seat according to the present utility model.

Legend description: 1. a screw; 11. an internal thread groove; 2. a connecting seat; 3. an adjusting nut; 4. an expansion seat; 41. an expansion seat body; 42. a gasket; 43. a protrusion; 44. an expansion tank; 5. a first seal ring; 6. a second seal ring; 7. an adjusting rod; 71. an external thread; 72. a conical cap; 8. a fuel oil electric plugboard switch; 9. a valve seat.

Detailed Description

The utility model is further described below in connection with the drawings and the specific preferred embodiments, but the scope of protection of the utility model is not limited thereby.

Examples

As shown in fig. 1 to 6, the jig for valve seal ring disassembly of the present utility model includes: screw rod 1, connecting seat 2, adjusting nut 3, expansion seat 4 and regulation pole 7. The bottom of the screw rod 1 penetrates through the connecting seat 2 from top to bottom, the top of the adjusting rod 7 penetrates through the expansion seat 4 from bottom to top, and the bottom of the screw rod 1 is connected with the top of the adjusting rod 7. The connection position of the bottom of the expansion seat 4 and the adjusting rod 7 is adjusted so as to realize that the expansion seat 4 expands to a preset width and is abutted with a sealing ring to be disassembled in the valve seat 9. The periphery of the top of the adjusting rod 7 is provided with an adjusting nut 3, and the adjusting nut 3 is used for locking the joint of the top of the expansion seat 4 and the adjusting rod 7; the connection position of the adjusting nut 3 and the adjusting rod 7 can be adjusted up and down, and the pressing force is provided for the size adjustment of the expansion seat 4. The bottom of the connecting seat 2 is abutted with the top of the adjusting nut 3, so that the connecting seat 2 is pushed, and the expansion seat 4 pushes out the sealing ring to be disassembled. It will be appreciated that the expansion seat 4 in the unexpanded state is of smaller size than the sealing ring in order to facilitate the mounting of the expansion seat 4 inside the shutter seat 9.

In this embodiment, the bottom of the screw 1 penetrates through the connecting seat 2 from top to bottom, the top of the adjusting rod 7 penetrates through the expansion seat 4 from bottom to top, the bottom of the screw 1 is connected with the top of the adjusting rod 7, and the adjusting nut 3 used for locking the joint between the top of the expansion seat 4 and the adjusting rod 7 is arranged on the periphery of the top of the adjusting rod 7, so that the clamp with compact structure and expandable size is obtained. Through adjusting expansion seat 4 bottom and adjusting the hookup location of pole 7, realized the expansion seat 4 promptly and expanded to predetermineeing the width to with waiting to dismantle the sealing washer butt in the valve seat 9, connecting seat 2 bottom and adjusting nut 3 top butt promote connecting seat 2, can drive expansion seat 4 and release the sealing washer in the valve seat 9, avoided valve seat 9 inner wall to be damaged, can dismantle the sealing washer with the help of the strength of impact seat in the in-process of dismantling the sealing washer, need not additionally strike with the hammer, improved the dismantlement efficiency of sealing washer.

As shown in fig. 2, 5 and 6, in the present embodiment, the expansion seat 4 includes: the expansion seat body 41, the gasket 42, the bulge 43 and the expansion groove 44, the middle part of the expansion seat body 41 is a through cavity, and the top of the adjusting rod 7 penetrates through the expansion seat body 41 from bottom to top. Four gaskets 42 are arranged at the lower part of the expansion seat body 41, and protrusions 43 are arranged at the outer edges of the gaskets 42. Correspondingly, four expansion grooves 44 are arranged on the side part of the expansion seat body 41. The connection position of the bottom of the expansion seat body 41 and the adjusting rod 7 is adjusted to drive the expansion groove 44 to expand, so that the gasket 42 is spread and the bulge 43 is abutted with a sealing ring to be detached in the valve seat. In this embodiment, the included angle c of the expansion seat body 41 is 90 °.

As shown in fig. 6, the cross section of the gasket 42 is in a fan-shaped structure, and a plurality of gaskets 42 are enclosed to form a circular ring structure so as to match the structure of the sealing ring and improve the stress uniformity of the sealing ring. Further, the thickness of the protrusions 43 is smaller than the thickness of the spacers 42. As shown in fig. 1, after the expansion groove 44 expands, the protrusion 43 is inserted into the gap between the first seal ring 5 and the second seal ring 6, and pushes the connecting seat 2 downward, so that the gasket 42 and the protrusion 43 are driven to push the second seal ring 6 out of the valve seat 9. It will be appreciated that, since the thickness of the gasket 42 is greater than the gap between the first seal ring 5 and the second seal ring 6, after the expansion seat 4 expands until the end of the gasket 42 contacts with the seal ring, the expansion seat 4 cannot expand further, so that the gasket 42 and the protrusion 43 are prevented from scraping and damaging the inner wall of the valve seat 9 due to excessive expansion of the expansion seat 4. The clamp of the embodiment is reversely arranged in the valve seat 9 of the fuel electric plugboard switch 8 according to the direction shown in fig. 1, so that the first sealing ring 5 can be pushed out. The whole disassembly process is convenient and can not damage the valve seat 9.

As shown in fig. 2, in this embodiment, the top of the adjusting rod 7 is provided with an external thread 71, the bottom of the screw 1 is provided with an internal thread groove 11, and the top of the adjusting rod 7 is in threaded connection with the bottom of the screw 1 through the external thread 71 and the internal thread groove 11, so that the adjusting rod has the characteristics of convenient disassembly and reliable connection.

Further, the lower part of the adjusting rod 7 is provided with a conical cap 72, the bottom of the expansion seat body 41 is connected with the conical cap 72, and the connection position of the bottom of the expansion seat body 41 and the conical cap 72 is adjusted to drive the expansion groove 44 to expand along the conical cap 72, so that the gasket 42 is expanded and the bulge 43 is abutted with a sealing ring to be detached in the valve seat 9.

In the present embodiment, as shown in fig. 3, the length a of the screw 1 is 120mm. As shown in fig. 4, in the present embodiment, the length b of the connection base 2 is 50mm. The screw 1 mainly supports the connecting seat 2 to move up and down, so as to provide power for disassembling the expansion seat 4.

In the embodiment, the connecting seat 2 is prepared from 45 # steel, so that the strength requirement and the weight requirement can be met, and the connecting seat is easy to obtain and low in cost. The expansion seat 4 is made of LY-11 aluminum alloy material, the material is soft and has certain toughness, the adjusting nut 3 is slightly screwed on the top of the adjusting rod 7, and the size of the expansion seat 4 can be expanded, so that the sealing ring is clamped, and the sealing ring is separated by small impact force.

While the utility model has been described with reference to preferred embodiments, it is not intended to be limiting. Any person skilled in the art can make many possible variations and modifications to the technical solution of the present utility model or equivalent embodiments using the method and technical solution disclosed above without departing from the spirit and technical solution of the present utility model. Therefore, any simple modification, equivalent substitution, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model, which do not depart from the technical solution of the present utility model, still fall within the scope of the technical solution of the present utility model.

Claims

1. A anchor clamps for valve sealing washer dismantles, characterized in that includes: the device comprises a screw (1), a connecting seat (2), an adjusting nut (3), an expansion seat (4) and an adjusting rod (7); the bottom of the screw rod (1) penetrates through the connecting seat (2) from top to bottom, the top of the adjusting rod (7) penetrates through the expansion seat (4) from bottom to top, and the bottom of the screw rod (1) is connected with the top of the adjusting rod (7); the connection position of the bottom of the expansion seat (4) and the adjusting rod (7) is adjusted to realize that the expansion seat (4) expands to a preset width and is abutted with a sealing ring to be disassembled in the valve seat; the top periphery of adjusting pole (7) is equipped with adjusting nut (3), adjusting nut (3) are used for locking the junction of expansion seat (4) top and adjusting pole (7), connecting seat (2) bottom and adjusting nut (3) top butt, promote connecting seat (2), realize expansion seat (4) and release the sealing washer that waits to dismantle.

2. Clamp for the removal of a shutter sealing ring, according to claim 1, characterized in that said expansion seat (4) comprises: the expansion seat comprises an expansion seat body (41), a gasket (42), a bulge (43) and an expansion groove (44), wherein the middle part of the expansion seat body (41) is a through cavity, and the top of the adjusting rod (7) penetrates through the expansion seat body (41) from bottom to top; a plurality of gaskets (42) are arranged at the lower part of the expansion seat body (41), and bulges (43) are arranged at the outer edges of the gaskets (42); a plurality of expansion grooves (44) are formed in the side part of the expansion seat body (41); the connection position of the bottom of the expansion seat body (41) and the adjusting rod (7) is adjusted to drive the expansion groove (44) to expand, so that the gasket (42) is unfolded and the bulge (43) is abutted with the sealing ring to be detached in the valve seat.

3. The fixture for valve seal disassembly according to claim 2, wherein the cross section of the gasket (42) is in a fan-shaped structure, and a plurality of gaskets (42) are enclosed into a circular ring-shaped structure.

4. A clamp for valve seal removal according to claim 3, characterized in that the thickness of the projection (43) is smaller than the thickness of the gasket (42).

5. The clamp for disassembling the valve sealing ring according to claim 2, wherein the top of the adjusting rod (7) is provided with an external thread (71), the bottom of the screw rod (1) is provided with an internal thread groove (11), and the top of the adjusting rod (7) is in threaded connection with the bottom of the screw rod (1) through the external thread (71) and the internal thread groove (11).

6. The fixture for disassembling the valve sealing ring according to claim 5, wherein a conical cap (72) is arranged at the lower part of the adjusting rod (7), the bottom of the expansion seat body (41) is connected with the conical cap (72), and the connection position of the bottom of the expansion seat body (41) and the conical cap (72) is adjusted to drive the expansion groove (44) to expand, so that the gasket (42) is unfolded and the bulge (43) is abutted against the sealing ring to be disassembled in the valve seat.

7. Clamp for the removal of a shutter sealing ring, according to any one of claims 1 to 6, characterized in that the length a of the screw (1) is 120±10mm.

8. Clamp for the removal of a shutter sealing ring, according to any one of claims 1 to 6, characterized in that the length b of the connection seat (2) is 50±5mm.

9. Clamp for the removal of a shutter sealing ring according to any one of claims 1 to 6, characterized in that the connection seat (2) is made of steel.

10. Clamp for the removal of a shutter sealing ring, according to any one of claims 1 to 6, characterized in that the expansion seat (4) is made of an aluminium alloy material.