CN218152412U

CN218152412U - Rolling support type flat gate valve with elastic compression sealing structure

Info

Publication number: CN218152412U
Application number: CN202123035910.8U
Authority: CN
Inventors: 刘志中
Original assignee: Jianhu Zhongda Petroleum Machinery Co ltd
Current assignee: Jianhu Zhongda Petroleum Machinery Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-12-27
Anticipated expiration: 2031-12-06

Abstract

The utility model provides a roll support formula plate valve with elastic compression seal structure relates to plate valve technical field. This roll support formula plate valve with elastic compression seal structure includes valve body and last valve body down, go up valve body top fixedly connected with valve gap, the inside fixedly connected with bearing housing of valve gap, the inside sleeve that is provided with of bearing housing, the inside lead screw that is provided with of sleeve, a plurality of spouts have been seted up to the sleeve inside, a plurality of sliders of lead screw top fixedly connected with, it is a plurality of the spout respectively with a plurality of slider looks adaptations, the lead screw bottom is rotated and is connected with the stop collar, stop collar bottom fixedly connected with flashboard. This roll support formula plate valve with elastic compression seal structure drives the flashboard and removes, and the switch of valve body reduces frictional force under the control, and is laborsaving more, the operation of being convenient for, conveniently pulls down the runner simultaneously, can save space to can reduce cost.

Description

Rolling support type flat gate valve with elastic compression sealing structure

Technical Field

The utility model relates to a plate valve specifically is rolling support formula plate valve with elastic compression seal structure belongs to plate valve technical field.

Background

Flat gate valves are one of the most widespread valves at present. Present plate valve includes valve body, flashboard and flashboard controller, and the valve body is provided with the runner that is sealed or opened by the flashboard, and the runner is including setting up respectively in the inflow mouth of flashboard both sides and the outfall, sets up the disk seat in the runner, is provided with the sealing washer with the sealed complex of flashboard on the disk seat. The flashboard controller is arranged in linkage with the flashboard and comprises a driving device for lifting the flashboard and a valve rod for connecting the driving device with the flashboard, and the flashboard can be closed and opened by the driving device to play a role in controlling.

With the progress of pipeline technology, the pressure of pipeline design is higher and higher, the drift diameter of the pipeline is larger and larger, because the flat gate valve is in the form of a floating valve seat, under the action of medium pressure, the flashboard is tightly attached to the sealing surface of a downstream valve seat, the valve operating force is still larger, particularly under the conditions of large drift diameter and high pressure, the valve operating force is increased rapidly, the model specification of a valve operating device is large, even a deceleration force-increasing device has to be adopted, the cost is higher, and meanwhile, the opening and closing time of the valve is prolonged.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims at providing a rolling support formula plate valve with elastic compression seal structure in order to solve above-mentioned problem to solve among the prior art plate valve and be the disk seat form that floats, under the medium pressure effect, the sealed face of low reaches disk seat is hugged closely to the flashboard, valve operating force is still great, especially under big latus rectum and the high pressure condition, valve operating force increases rapidly, valve operating device model specification is big, has to adopt speed reduction booster even, the cost is higher, the problem of the time of opening and close of valve has also been prolonged simultaneously.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: roll support formula plate valve with elastic compression seal structure, including lower valve body and last valve body, go up valve body top fixedly connected with valve gap, the inside fixedly connected with bearing housing of valve gap, the inside sleeve that is provided with of bearing housing, the inside lead screw that is provided with of sleeve, a plurality of spouts have been seted up to the sleeve inside, a plurality of sliders of lead screw top fixedly connected with, it is a plurality of the spout respectively with a plurality of slider looks adaptations, the lead screw bottom is rotated and is connected with the stop collar, stop collar bottom fixedly connected with flashboard.

Preferably, lower valve body bottom fixedly connected with drain pan, the inside bottom fixedly connected with spring of drain pan, the flashboard bottom cushions the flashboard with spring fixed connection.

Preferably, the inside fixedly connected with dead lever of going up the valve body, the inside fixed connection of dead lever has spacing seat, the lead screw runs through spacing seat and passes through ball nut pair with spacing seat and be connected, is favorable to spacing the lead screw, reciprocates when making the lead screw rotate.

Preferably, the fixed cover of sleeve top fixedly connected with, a plurality of draw-in grooves have been seted up to fixed cover inside, the valve gap top is provided with the bull stick, bull stick top fixedly connected with runner is favorable to rotating the bull stick and drives fixed cover and rotate.

Preferably, the bull stick runs through the valve gap top and rotates with the valve gap to be connected, a plurality of fixture blocks of bull stick bottom outside fixedly connected with, it is a plurality of the fixture block respectively with a plurality of draw-in grooves looks adaptations, make bull stick and fixed cover carry out quick joint to use, can dismantle fast when not using, occupation space not.

Preferably, go up the inside fixedly connected with stop collar of valve body, the sleeve outside is located to the stop collar cover, is convenient for support the sleeve, improves telescopic stability.

Preferably, the inside fixedly connected with sealing washer of valve body down, sealing washer one side fixedly connected with spacing ring, the flashboard laminates mutually with the spacing ring, is favorable to improving the leakproofness to can cushion.

The utility model provides a roll support formula plate valve with elastic compression seal structure, its beneficial effect who possesses as follows:

1. this roll support formula plate valve with elastic compression seal structure drives the bull stick through rotating the runner and rotates, the bull stick rotates and drives fixed cover and rotates, block the bull stick into fixed cover inside, make the fixture block carry out the joint to the draw-in groove of fixed cover inside seting up, thereby carry out quick fixation and dismantlement, fixed cover drives the sleeve and rotates, the spout has been seted up through inside to the sleeve, make the spout carry on spacingly to the slider, thereby drive the slider and rotate when the sleeve rotates, the slider drives the lead screw and rotates, and spacing seat is spacing to the lead screw, reciprocate when making the lead screw rotate, the lead screw descends or rises to drive spacing cover, make spacing cover drive flashboard descend or rise, thereby drive the flashboard and remove, the switch of valve body under the control, reduce friction, and is laborsaving, convenient operation, simultaneously conveniently pull down the runner, can save space, and can reduce cost.

2. This roll support formula plate valve with elastic compression seal structure the inside bottom fixedly connected with spring of drain pan, the flashboard bottom extrudees the spring when descending through the flashboard, provides the buffering to the flashboard, improves the security, and when the flashboard removed, sealing washer and spacing ring protected the flashboard to when using, water pressure pressed the flashboard in spacing ring one side, was convenient for fixed.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention;

fig. 4 is a schematic structural view of the rotating rod of the present invention.

In the figure: 1. a lower valve body; 2. an upper valve body; 3. a valve cover; 4. a bearing housing; 5. a sleeve; 6. a screw rod; 7. a chute; 8. a slider; 9. fixing the rod; 10. a limiting seat; 11. a limiting sleeve; 12. a shutter plate; 13. a bottom case; 14. a spring; 15. a limiting ring; 16. a seal ring; 18. fixing a sleeve; 19. a rotating rod; 20. a rotating wheel; 21. and (7) clamping blocks.

Detailed Description

The embodiment of the utility model provides a roll support formula plate valve with elastic compression seal structure.

Referring to fig. 1, 2, 3 and 4, the valve comprises a lower valve body 1 and an upper valve body 2, a valve cover 3 is fixedly connected to the top of the upper valve body 2, a bearing sleeve 4 is fixedly connected to the inside of the valve cover 3, a sleeve 5 is arranged inside the bearing sleeve 4, a limiting sleeve 11 is fixedly connected to the inside of the upper valve body 2, the limiting sleeve 11 is sleeved on the outside of the sleeve 5 to support the sleeve 5 conveniently and improve the stability of the sleeve 5, a screw rod 6 is arranged inside the sleeve 5, a plurality of sliding chutes 7 are arranged inside the sleeve 5, a plurality of sliding blocks 8 are fixedly connected to the top end of the screw rod 6, the plurality of sliding chutes 7 are respectively matched with the plurality of sliding blocks 8, the limiting sleeve 11 is rotatably connected to the bottom end of the screw rod 6, a gate 12 is fixedly connected to the bottom of the limiting sleeve 11, a fixing rod 9 is fixedly connected to the inside of the upper valve body 2, and a limiting seat 10 is fixedly connected to the inside of the fixing rod 9, lead screw 6 runs through spacing seat 10 and is connected through ball nut pair with spacing seat 10, be favorable to carrying on spacingly to lead screw 6, reciprocate when making lead screw 6 rotate, the fixed cover 18 of 5 top fixedly connected with of sleeve, fixed cover 18 is inside to have seted up a plurality of draw-in grooves, 3 tops of valve gap are provided with

bull stick

19, 19 top fixedly connected with runners 20 of bull stick, be favorable to rotating 19 and drive fixed cover 18 and rotate, bull stick 19 runs through 3 tops of valve gap and rotates with valve gap 3 to be connected, 19 outside fixedly connected with a plurality of fixture blocks 21 in bull stick bottom, a plurality of fixture blocks 21 respectively with a plurality of draw-in groove looks adaptations, make bull stick 19 and fixed cover 18 carry out quick joint, thereby use, can dismantle fast when not using, occupation space does not.

It is specific, drive bull stick 19 through rotating runner 20 and rotate, bull stick 19 rotates and drives fixed cover 18 and rotate, because fixed cover 18 is inside to have seted up a plurality of draw-in grooves, valve gap 3 top is provided with

bull stick

19, 19 top fixedly connected with runners 20 of bull stick, be favorable to rotating bull stick 19 and drive fixed cover 18 and rotate, bull stick 19 runs through valve gap 3 top and rotates with valve gap 3 and be connected, 19 bottom outside fixedly connected with of bull stick a plurality of fixture blocks 21, a plurality of fixture blocks 21 respectively with a plurality of draw-in groove looks adaptations, make bull stick 19 and fixed cover 18 carry out quick joint, thereby use, can dismantle fast when not using, occupation space does not. With bull stick 19 card advance inside fixed cover 18, make fixture block 21 carry out the joint to the draw-in groove of fixed cover 18 inside seting up, thereby carry out quick fixed and dismantlement, the inside fixedly connected with bearing housing 4 of valve gap 3, the inside sleeve 5 that is provided with of bearing housing 4, fixed cover 18 drives sleeve 5 and rotates, go up the inside fixedly connected with stop collar 11 of valve body 2, the sleeve 5 outside is located to stop collar 11 cover, be convenient for support sleeve 5, improve the stability of sleeve 5, spout 7 has been seted up through inside to sleeve 5, make spout 7 spacing to slider 8, thereby drive slider 8 when sleeve 5 rotates and rotate, slider 8 drives lead screw 6 and rotates, and spacing seat 10 is spacing to lead screw 6, reciprocate when making lead screw 6 rotate, lead screw 6 descends and drives stop collar 11 and descends or rises, make stop collar 11 drive flashboard 12 descend or rise, thereby drive flashboard 12 and remove, the switch of valve body 1 under the control, reduce the frictional force, and labor saving, convenient operation, conveniently pull down runner 20 simultaneously, can save space, and can reduce cost.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4 again, the bottom of the lower valve body 1 is fixedly connected with a bottom shell 13, the bottom end of the bottom shell 13 is fixedly connected with a spring 14, the bottom of the gate plate 12 is fixedly connected with the spring 14 to buffer the gate plate 12, the inside of the lower valve body 1 is fixedly connected with a sealing ring 16, one side of the sealing ring 16 is fixedly connected with a limiting ring 15, and the gate plate 12 is attached to the limiting ring 15, so that the sealing performance is improved, and the buffering can be performed.

Specifically, the inside bottom fixedly connected with spring 14 of drain pan 13, flashboard 12 bottom and spring 14 fixed connection extrude spring 14 when descending through flashboard 12, provide the buffering to flashboard 12, improve the security, when flashboard 12 removed, sealing washer 16 and spacing ring 15 protected flashboard 12 to when using, water pressure pressed flashboard 12 in spacing ring 15 one side, be convenient for fixed.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Roll support formula plate valve with elastic compression seal structure, including lower valve body (1) and last valve body (2), its characterized in that: go up valve body (2) top fixedly connected with valve gap (3), the inside fixedly connected with bearing housing (4) of valve gap (3), inside sleeve (5) that is provided with of bearing housing (4), inside lead screw (6) that is provided with of sleeve (5), a plurality of spout (7) have been seted up to sleeve (5) inside, a plurality of slider (8) of lead screw (6) top fixedly connected with, it is a plurality of spout (7) respectively with a plurality of slider (8) looks adaptation, lead screw (6) bottom is rotated and is connected with stop collar (11), stop collar (11) bottom fixedly connected with flashboard (12).

2. The rolling support plate gate valve with a resilient compression sealing structure of claim 1, wherein: lower valve body (1) bottom fixedly connected with drain pan (13), the inside bottom fixedly connected with spring (14) of drain pan (13), flashboard (12) bottom and spring (14) fixed connection.

3. The rolling support plate gate valve with a resilient compression sealing structure of claim 1, wherein: go up inside fixedly connected with dead lever (9) of valve body (2), the spacing seat of fixedly connected with (10) inside dead lever (9), lead screw (6) run through spacing seat (10) and pass through ball nut pair with spacing seat (10) and be connected.

4. The rolling support plate gate valve with a resilient compression sealing structure of claim 1, wherein: the improved valve is characterized in that the top of the sleeve (5) is fixedly connected with a fixing sleeve (18), a plurality of clamping grooves are formed in the fixing sleeve (18), a rotating rod (19) is arranged at the top of the valve cover (3), and a rotating wheel (20) is fixedly connected to the top end of the rotating rod (19).

5. The rolling support plate gate valve with a resilient compression sealing structure of claim 4, wherein: the rotating rod (19) penetrates through the top of the valve cover (3) and is rotatably connected with the valve cover (3), a plurality of clamping blocks (21) are fixedly connected to the outer side of the bottom end of the rotating rod (19), and the clamping blocks (21) are matched with the clamping grooves respectively.

6. The rolling support plate gate valve with a resilient compression sealing structure of claim 1, wherein: go up valve body (2) inside fixedly connected with stop collar (11), sleeve (5) outside is located to stop collar (11) cover.

7. The rolling support plate gate valve with a resilient compression sealing structure of claim 1, wherein: the inside fixedly connected with sealing washer (16) of lower valve body (1), sealing washer (16) one side fixedly connected with spacing ring (15), flashboard (12) laminate mutually with spacing ring (15).