CN212455577U

CN212455577U - High accuracy flanged gate valve with adjustable

Info

Publication number: CN212455577U
Application number: CN202020789174.1U
Authority: CN
Inventors: 潘成桃; 潘成涨; 朱可玲; 张清; 杨雄飞; 王维
Original assignee: Lianggong Valve Group Co ltd
Current assignee: Lianggong Valve Group Co ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-02-02
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a high accuracy flange gate valve with adjustable relates to pipe-line system controlling means field, including the cavity pipeline, the equal fixed mounting in both ends terminal surface position of cavity pipeline has first flange dish, cavity pipeline side surface intermediate position runs through and installs a mount pad section of thick bamboo, the last fixed surface of a mount pad section of thick bamboo installs second flange dish, the inside stainless steel flashboard that is provided with of mount pad section of thick bamboo, the side surface upper end of stainless steel flashboard is provided with first connecting portion, the stainless steel flashboard passes through first connecting portion fixed connection valve rod device, the last fixed surface of second flange dish is connected with flange valve gap, there is adjusting device flange valve gap's upper end through bolt fixed mounting. The novel setting of this experiment has set up graphite packing between valve rod body and regulation pole portable hole, can also improve the leakproofness of being connected between valve rod body and the regulation pole portable hole when playing the lubrication action.

Description

High accuracy flanged gate valve with adjustable

Technical Field

The utility model relates to a pipe-line system controlling means technical field specifically is a high accuracy flanged gate valve with adjustable.

Background

The flange gate valve is a valve with a valve plate moving in a direction perpendicular to the fluid direction, the valve plate moves up and down along with a valve rod, generally, trapezoidal threads are arranged on the valve rod, and the rotary motion is changed into linear motion through a nut at the top end of the valve and a guide groove in the valve body, namely, the operation torque is changed into operation thrust.

Traditional flange gate valve is in the use, and because the mutual contact leads to wearing and tearing serious between valve rod and the valve gap, can't lubricate its hookup location again, leads to flange gate valve's life to shorten greatly, and simultaneously, the valve rod and the valve body cooperation effect of current gate valve are not good, and the leakproofness is not enough, can produce the phenomenon of leaking, consequently, technical personnel in the field provide an adjustable high accuracy flange gate valve to solve the problem that proposes in the above-mentioned background art.

Disclosure of Invention

An object of the utility model is to provide a high accuracy flanged gate valve with adjustable to solve the traditional flanged gate valve that proposes in the above-mentioned background art in the use, because the mutual contact leads to wearing and tearing serious between valve rod and the mount pad section of thick bamboo, can't lubricate its hookup location again, lead to flanged gate valve's life to shorten greatly, simultaneously, the valve rod and the valve body cooperation effect of current gate valve are not good, and the leakproofness is not enough, can produce the problem of the phenomenon of leaking.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a high accuracy flange gate valve with adjustable, includes the cavity pipeline, the equal fixed mounting in both ends terminal surface position of cavity pipeline has first connection flange dish, the side surface intermediate position of first connection flange dish runs through and has seted up the through-hole, cavity pipeline side surface intermediate position runs through and installs a mount pad section of thick bamboo, the last surface edge fixed mounting of a mount pad section of thick bamboo has second connection flange dish, the inside stainless steel flashboard that is provided with of mount pad section of thick bamboo, the side surface upper end of stainless steel flashboard is provided with first connecting portion, the stainless steel flashboard passes through first connecting portion fixed connection valve rod device, the upper surface of second connection flange dish passes through bolt fixedly connected with flange valve gap, there is adjusting device in the upper end of flange valve gap through bolt fixed mounting.

As a further aspect of the present invention: the flange valve gap includes the third flange connection pad of fixed mounting in the upper surface of second flange connection pad, the upper surface border position of third flange connection pad runs through the locking bolt that a plurality of installation is the annular and distributes through the screw thread, the upper surface intermediate position fixed mounting of third flange connection pad has the hemisphere valve gap body, the upper surface intermediate position of hemisphere valve gap body runs through and is provided with regulation pole portable hole, the upper surface of hemisphere valve gap body is close to the both sides of adjusting pole portable hole and all is provided with the bracing piece, the upper end fixed mounting of bracing piece has the second mounting panel, the upper surface both ends of second mounting panel run through and have seted up the second screw hole.

As a further aspect of the present invention: adjusting device includes fixed mounting in the first mounting panel of flange valve gap upper end, the upper surface both ends of first mounting panel are run through and have been seted up first screw hole, first mounting panel is through first screw hole, second screw hole and second mounting panel fixed connection, the upper surface intermediate position fixed mounting who states first mounting panel has the support frame, the upper end fixed mounting of support frame has footstep bearing, footstep bearing's inside has the screw thread regulation pole through threaded connection, footstep bearing's side surface fixed mounting has the regulation carousel.

As a further aspect of the present invention: the valve rod device comprises a second connecting portion fixedly mounted on a first connecting portion at the upper end of the stainless steel flashboard, a valve rod body is fixedly mounted at the middle position of the upper surface of the second connecting portion, graphite packing is installed at the upper end of the valve rod body in a penetrating mode, and a gland is installed at the upper end of the valve rod body in a penetrating mode.

As a further aspect of the present invention: the first connecting portion upper surface is provided with T type groove, second connecting portion lower surface is provided with T type head, first connecting portion adopt the mode of T type connection to fix with the second connecting portion, the T type head and the second connecting portion integral forging shaping that the second connecting portion lower surface set up.

As a further aspect of the present invention: a first O-shaped sealing ring is arranged at the connecting position of the valve rod device and the mounting base cylinder, and a second O-shaped sealing ring is arranged at the connecting position of the valve rod body and the adjusting rod movable through hole.

As a further aspect of the present invention: and the upper end of the threaded adjusting rod is fixedly provided with an anti-drop end plate.

Compared with the prior art, the beneficial effects of the utility model are that:

the novel experimental device is characterized in that the graphite packing is arranged between the valve rod body and the adjusting rod movable through hole, so that the problems that the valve rod body is seriously abraded due to mutual contact with the adjusting rod movable through hole, the connecting position of the valve rod body and the adjusting rod movable through hole cannot be lubricated, and the service life of the flange gate valve is greatly shortened are solved, and the graphite packing can improve the sealing property of the connection between the valve rod body and the adjusting rod movable through hole while playing a lubricating role; the utility model effectively improves the sealing performance of the whole device by arranging the first O-shaped sealing ring and the second O-shaped sealing ring, and solves the problems that the matching effect of the valve rod and the valve body of the existing gate valve is poor, the sealing performance is insufficient, and the water leakage phenomenon can be generated; the adjusting device of this experiment novel setting adjusts the precision higher for pipe-line system's control is more accurate.

Drawings

FIG. 1 is a schematic structural diagram of an adjustable high-precision flanged gate valve;

FIG. 2 is a schematic structural diagram of a flange valve cover in an adjustable high-precision flange gate valve;

FIG. 3 is a schematic structural diagram of an adjusting device in an adjustable high-precision flanged gate valve;

fig. 4 is a schematic structural diagram of a valve rod device in an adjustable high-precision flanged gate valve.

In the figure: 1. a hollow conduit; 2. a first connecting flange; 3. mounting a base cylinder; 4. a second connecting flange; 5. a stainless steel gate plate; 6. a first connection portion; 7. a first O-ring seal; 8. a flange valve cover; 9. an adjustment device; 10. a valve stem means; 11. a through hole; 12. an anti-drop end plate; 13. a threaded adjusting rod; 14. a thrust bearing; 15. adjusting the turntable; 16. a support frame; 17. a first mounting plate; 18. a first threaded hole; 19. a movable through hole of the adjusting rod; 20. a second threaded hole; 21. a second mounting plate; 22. a support bar; 23. locking the bolt; 24. a third flange connecting disc; 25. a hemispherical bonnet body; 26. a gland; 27. graphite filler; 28. a valve stem body; 29. a second connecting portion; 30. and a second O-shaped sealing ring.

Detailed Description

Please refer to fig. 1-4, in the embodiment of the utility model, a high accuracy flange gate valve with adjustable, including cavity pipeline 1, the equal fixed mounting in both ends terminal surface position of cavity pipeline 1 has first connection flange dish 2, the side surface intermediate position of first connection flange dish 2 runs through and has seted up through-hole 11, cavity pipeline 1 side surface intermediate position runs through and installs a mount pad section of thick bamboo 3, the last surface edge fixed mounting of mount pad section of thick bamboo 3 has second connection flange dish 4, the inside stainless steel flashboard 5 that is provided with of mount pad section of thick bamboo 3, the side surface upper end of stainless steel flashboard 5 is provided with first connecting portion 6, stainless steel flashboard 5 is through first connecting portion 6 fixed connection valve rod device 10, the upper surface of second connection flange dish 4 passes through bolt fixed connection valve gap flange 8, there is adjusting device 9 in the upper end of flange valve gap 8 through bolt fixed mounting.

In fig. 2: flange valve gap 8 includes third flange connection pad 24 of fixed mounting in the upper surface of second flange dish 4, the upper surface border position of third flange connection pad 24 runs through the locking bolt 23 that installation a plurality of is the annular and distributes through the screw thread, the upper surface intermediate position fixed mounting of third flange connection pad 24 has hemisphere valve gap body 25, the upper surface intermediate position of hemisphere valve gap body 25 runs through and is provided with regulation pole activity through-hole 19, the upper surface of hemisphere valve gap body 25 is close to the both sides of adjusting pole activity through-hole 19 and all is provided with bracing piece 22, the upper end fixed mounting of bracing piece 22 has second mounting panel 21, second threaded hole 20 has been seted up in the upper surface both ends of second mounting panel 21 run through, thereby can provide the fixed stay effect for adjusting device 9.

In fig. 3: adjusting device 9 includes first mounting panel 17 of fixed mounting in flange valve gap 8 upper end, first screw hole 18 has been seted up in the upper surface both ends of first mounting panel 17 run through, first mounting panel 17 is through first screw hole 18, second screw hole 20 and second mounting panel 21 fixed connection, the upper surface intermediate position fixed mounting who states first mounting panel 17 has support frame 16, the upper end fixed mounting of support frame 16 has footstep bearing 14, footstep bearing 14's inside has screw thread regulation pole 13 through threaded connection, footstep bearing 14's side surface fixed mounting has regulation carousel 15, thereby can control screw thread regulation pole 13 through regulation carousel 15 and reciprocate, carry out the regulation of high accuracy to stainless steel flashboard 5.

In fig. 4: the valve rod device 10 comprises a second connecting part 29 fixedly mounted on a first connecting part 6 at the upper end of the stainless steel flashboard 5, a valve rod body 28 is fixedly mounted at the middle position of the upper surface of the second connecting part 29, graphite packing 27 is installed at the upper end of the valve rod body 28 in a penetrating mode, a gland 26 is fixedly mounted at the upper end of the valve rod body 28 in a penetrating mode, therefore, the sealing performance of the valve rod body 28 and the sealing performance of the valve rod movable through hole 19 in a connecting mode can be improved, meanwhile, a lubricating effect can be achieved, and the valve rod body 28 and the mounting base barrel 3 are prevented from being.

In fig. 4: the upper surface of the first connecting portion 6 is provided with a T-shaped groove, the lower surface of the second connecting portion 29 is provided with a T-shaped head, the first connecting portion 6 and the second connecting portion 29 are fixed in a T-shaped connection mode, and the T-shaped head arranged on the lower surface of the second connecting portion 29 and the second connecting portion 29 are integrally forged and formed, so that the structural strength of the flange gate valve can be improved.

In fig. 1: the connecting position of the valve rod device 10 and the mounting base cylinder 3 is provided with a first O-shaped sealing ring 7, and the connecting position of the valve rod body 28 and the adjusting rod movable through hole 19 is provided with a second O-shaped sealing ring 30, so that the overall sealing performance of the flanged gate valve can be improved.

In fig. 4: the upper end of the screw thread adjusting rod 13 is fixedly provided with an anti-drop end plate 12, so that the screw thread adjusting rod 13 can be prevented from dropping accidentally.

The utility model discloses a theory of operation is: the utility model discloses when using, at first carry out fixed connection with flange gate valve through first connection flange dish 2 and pipe-line system, it reciprocates to drive threaded adjusting rod 13 through rotatory regulation carousel 15, thereby make vertical migration about the stainless steel flashboard 5, control pipeline fluid, the novel setting of this experiment has set up graphite filler 27 between valve rod body 28 and regulation pole activity through-hole 19, it is serious owing to contact lead to wearing and tearing between valve rod body 28 and the regulation pole activity through-hole 19, again can't lubricate its hookup location, the problem that the life that leads to flange gate valve shortens greatly, graphite filler 27 can also improve the leakproofness of being connected between valve rod body 28 and the regulation pole activity through-hole 19 when playing the lubrication action.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a high accuracy flange gate valve with adjustable, includes cavity pipeline (1), its characterized in that, the equal fixed mounting in both ends terminal surface position of cavity pipeline (1) has first connection flange dish (2), the side surface intermediate position of first connection flange dish (2) runs through and has seted up through-hole (11), cavity pipeline (1) side surface intermediate position runs through and installs a mount pad section of thick bamboo (3), the upper surface edge position fixed mounting of mount pad section of thick bamboo (3) has second connection flange dish (4), mount pad section of thick bamboo (3) inside is provided with stainless steel flashboard (5), the side surface upper end of stainless steel flashboard (5) is provided with first connecting portion (6), stainless steel flashboard (5) are through first connecting portion (6) fixed connection valve rod device (10), the upper surface of second connection flange dish (4) is through bolt fixed connection flange valve gap (8), and the upper end of the flange valve cover (8) is fixedly provided with an adjusting device (9) through a bolt.

2. The adjustable high-precision flange gate valve according to claim 1, wherein the flange valve cover (8) comprises a third flange connecting disc (24) fixedly mounted on the upper surface of the second connecting flange disc (4), a plurality of locking bolts (23) distributed annularly are mounted on the edge of the upper surface of the third flange connecting disc (24) in a penetrating manner through threads, a hemispherical valve cover body (25) is fixedly mounted on the middle position of the upper surface of the third flange connecting disc (24), an adjusting rod movable through hole (19) is arranged on the middle position of the upper surface of the hemispherical valve cover body (25) in a penetrating manner, supporting rods (22) are arranged on two sides of the upper surface of the hemispherical valve cover body (25) close to the adjusting rod movable through hole (19), a second mounting plate (21) is fixedly mounted on the upper ends of the supporting rods (22), and second threaded holes (20) are formed in two ends of the upper surface of the second mounting plate (21) in a penetrating mode.

3. The adjustable high-precision flange gate valve according to claim 1, wherein the adjusting device (9) comprises a first mounting plate (17) fixedly mounted on the upper end of the flange valve cover (8), first threaded holes (18) are formed in two ends of the upper surface of the first mounting plate (17) in a penetrating manner, the first mounting plate (17) is fixedly connected with a second mounting plate (21) through the first threaded holes (18) and the second threaded holes (20), a supporting frame (16) is fixedly mounted in the middle of the upper surface of the first mounting plate (17), a thrust bearing (14) is fixedly mounted on the upper end of the supporting frame (16), a threaded adjusting rod (13) is connected inside the thrust bearing (14) through threads, and an adjusting rotary table (15) is fixedly mounted on the side surface of the thrust bearing (14).

4. The adjustable high-precision flanged gate valve according to claim 1, wherein the valve rod device (10) comprises a second connecting part (29) fixedly mounted on the first connecting part (6) at the upper end of the stainless steel gate plate (5), a valve rod body (28) is fixedly mounted at the middle position of the upper surface of the second connecting part (29), a graphite packing (27) is mounted at the upper end of the valve rod body (28) in a penetrating manner, and a gland (26) is fixedly mounted at the upper end of the valve rod body (28) in a penetrating manner through the graphite packing (27).

5. The adjustable high-precision flanged gate valve according to claim 4, wherein the first connecting portion (6) is provided with a T-shaped groove on the upper surface thereof, the second connecting portion (29) is provided with a T-shaped head on the lower surface thereof, the first connecting portion (6) and the second connecting portion (29) are fixed in a T-shaped connection manner, and the T-shaped head on the lower surface of the second connecting portion (29) and the second connecting portion (29) are integrally formed by forging.

6. The adjustable high-precision flanged gate valve according to claim 4, characterized in that a first O-shaped sealing ring (7) is arranged at the connecting position of the valve rod device (10) and the mounting base cylinder (3), and a second O-shaped sealing ring (30) is arranged at the connecting position of the valve rod body (28) and the adjusting rod movable through hole (19).

7. The adjustable high-precision flanged gate valve according to claim 3, characterized in that the upper end of the threaded adjusting rod (13) is fixedly provided with an anti-drop end plate (12).