CN210318578U

CN210318578U - Closed high-temperature resistant flat gate valve

Info

Publication number: CN210318578U
Application number: CN201920803320.9U
Authority: CN
Inventors: 徐菊芬
Original assignee: Wujiang Jinlida Steel Casting Co ltd
Current assignee: Wujiang Jinlida Steel Casting Co ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-04-14
Anticipated expiration: 2029-05-30

Abstract

The utility model relates to an airtight type high temperature resistant flat gate valve, which comprises a valve body, wherein a flow channel and a fixed groove are arranged in the valve body, the flow channel is communicated with the fixed groove, a valve seat is arranged at the bottom of the valve body, a valve frame is arranged at the top of the valve body, a lifting groove is arranged in the valve frame, the lifting groove is communicated with the fixed groove, a threaded rod is arranged in the lifting groove, the top of the threaded rod penetrates through the valve frame, a threaded sleeve is connected at the middle of the top of the valve frame through a bearing, the threaded rod is arranged in the threaded sleeve, the threaded rod is in threaded connection with the threaded sleeve, a rotating wheel is arranged at the outer side of the threaded sleeve, a valve plate is arranged in the fixed groove, a connecting plate is sleeved at the outer side of the top of the valve plate, thereby preventing the leakage phenomenon when the device is used, improving the safety and having strong practicability.

Description

Closed high-temperature resistant flat gate valve

Technical Field

The utility model relates to an airtight type high temperature resistant plate valve belongs to gate valve technical field.

Background

A flat gate valve is a sliding valve whose closing member is a parallel gate plate, the closing member can be a single gate plate or a double gate plate with a spreader mechanism in between, the pressing force of the gate plate to the valve seat is controlled by the pressure of a medium acting on a floating gate plate or a floating valve seat, if the gate valve is a double-gate plate gate valve, the pressing force can be supplemented by the opening mechanism between the two gate plates, the plate gate valve can be divided into a manual plate gate valve, a pneumatic plate gate valve and an electric plate gate valve according to the driving mode, and can be divided into a plate gate valve with a diversion hole, a plate gate valve without the diversion hole, an oil field plate gate valve, a pipeline plate gate valve, a gas plate gate valve and the like according to the application and the use occasion, the high temperature resistant flat gate valve needs to be improved in sealing property, to prevent the high temperature flat gate valve from leaking during use, to affect the use, and to increase the risk, and therefore, further improvement is required.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an airtight type high temperature resistant plate valve through being provided with the limiting plate, when can carrying out certain direction to reciprocating of valve plate, strengthens the seal between valve plate and the valve frame to through being provided with the connecting plate, not only can guarantee the lift of valve plate, make connecting plate and valve frame laminate mutually, can also further strengthen the seal of high temperature resistant plate valve, with the problem of proposing in solving above-mentioned background art.

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

the utility model provides an airtight high temperature resistant plate gate valve, includes the valve body, seted up flow channel and fixed slot in the valve body, just flow channel is linked together with the fixed slot, the valve body bottom is provided with the disk seat, the valve body top is provided with the valve frame, seted up the lift groove in the valve frame, just lift groove is linked together with the fixed slot, be provided with the threaded rod in the lift groove, the threaded rod top runs through the valve frame, be connected with threaded sleeve through the bearing in the middle of the valve frame top, the threaded rod sets up in threaded sleeve, just threaded rod and threaded sleeve threaded connection, the threaded sleeve outside is provided with rotates the wheel, be provided with the valve plate in the fixed slot, valve plate top outside cover is equipped with the connecting plate, the connecting plate passes through the bearing and is connected with.

Furthermore, a first limiting groove is formed in the connecting plate.

Furthermore, a first limiting block is arranged in the first limiting groove, and the bottom of the first limiting block is fixedly connected with the valve plate.

Furthermore, a second limiting groove is formed in the valve frame and communicated with the lifting groove.

Furthermore, a second limiting block is arranged in the second limiting groove, a limiting plate is arranged between the second limiting blocks, a square hole is formed in the middle of the limiting plate, and the square hole corresponds to the valve plate.

Furthermore, a communicating groove is formed in the valve seat, the communicating groove corresponds to the fixing groove, and the communicating groove is communicated with the fixing groove.

The utility model has the advantages that: the utility model relates to a closed high temperature resistant flat gate valve, through being provided with the limiting plate, can strengthen the leakproofness between valve plate and valve frame while moving up and down the valve plate to a certain extent, and through being provided with the connecting plate, not only can guarantee the lift of valve plate, make connecting plate and valve frame laminate mutually, can further strengthen the leakproofness of high temperature resistant flat gate valve, through being provided with first restriction groove and first limiting block, make the more stable that can be connected between valve plate and the connecting plate, through being provided with second restriction groove and second limiting block, can better fix the limiting plate, thereby play better direction and airtight effect to the valve plate, through being provided with the intercommunication groove, facilitate the shrink of valve plate when high temperature resistant flat gate valve closes, through being provided with threaded sleeve and turning wheel, facilitate the lift of drive threaded rod, thereby make the valve plate reach the effect that opens and shuts, the practicality is strong, suitable extensive implementation.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic view of the internal structure of the closed high temperature resistant plate gate valve of the present invention;

FIG. 2 is a schematic view of the internal structure of the valve body of the closed high temperature resistant plate gate valve of the present invention;

FIG. 3 is a schematic view of a limiting plate of the closed high temperature resistant plate gate valve of the present invention;

reference numbers in the figures: 1. a valve body; 2. a flow channel; 3. fixing grooves; 4. a valve seat; 5. a valve frame; 6. a lifting groove; 7. a threaded rod; 8. a threaded bushing; 9. a rotating wheel; 10. a valve plate; 11. a connecting plate; 12. a first restriction groove; 13. a first limiting block; 14. a second restriction groove; 15. a second limiting block; 16. a limiting plate; 17. a square hole; 18. a communicating groove.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a closed high-temperature resistant flat gate valve comprises a valve body 1, wherein a flow channel 2 and a fixed groove 3 are formed in the valve body 1, the flow channel 2 is communicated with the fixed groove 3 to facilitate the flow of liquid, a valve seat 4 is arranged at the bottom of the valve body 1, a valve frame 5 is arranged at the top of the valve body 1, a lifting groove 6 is formed in the valve frame 5 to ensure the lifting of a valve plate 10, the lifting groove 6 is communicated with the fixed groove 3, a threaded rod 7 is arranged in the lifting groove 6, the top of the threaded rod 7 penetrates through the valve frame 5, a threaded sleeve 8 is connected in the middle of the top of the valve frame 5 through a bearing, the threaded rod 7 is arranged in the threaded sleeve 8, the threaded rod 7 is in threaded connection with the threaded sleeve 8, a rotating wheel 9 is arranged on the outer side of the threaded sleeve 8, the rotating wheel 9 rotates to drive the valve plate, valve plate 10 top outside cover is equipped with connecting plate 11, connecting plate 11 passes through the bearing and is connected with threaded rod 7, just connecting plate 11 laminates mutually with valve frame 5, not only can guarantee the lift of valve plate 10, makes connecting plate 11 laminate mutually with valve frame 5, can also further strengthen high temperature resistant plate gate's leakproofness.

More specifically, a first limiting groove 12 is formed in the connecting plate 11, a first limiting block 13 is arranged in the first limiting groove 12, the bottom of the first limiting block 13 is fixedly connected with the valve plate 10, so that the connection between the valve plate 10 and the connecting plate 11 is more stable, a second limiting groove 14 is formed in the valve frame 5, the second limiting groove 14 is communicated with the lifting groove 6, a second limiting block 15 is arranged in the second limiting groove 14, a limiting plate 16 is arranged between the second limiting blocks 15, a square hole 17 is formed in the middle of the limiting plate 16, the square hole 17 corresponds to the valve plate 10, so that the limiting plate 16 can be better fixed, the valve plate 10 can be better guided and sealed, a communicating groove 18 is formed in the valve seat 4, the communicating groove 18 corresponds to the fixing groove 3, and the communicating groove 18 is communicated with the fixing groove 3, the valve plate 10 is convenient to shrink when the high-temperature resistant flat gate valve is closed.

The utility model discloses the theory of operation: the rotating wheel 9 is rotated to enable the threaded sleeve 8 to rotate, the threaded rod 7 is driven to lift, the valve plate 10 is enabled to move up and down, the valve plate 10 moves down, the high-temperature resistant flat gate valve is closed until the bottom of the valve plate 10 is positioned in the communicating groove 18 to achieve a completely closed state, the valve plate 10 moves up to achieve an opening effect on the high-temperature resistant flat gate valve until the bottom of the valve plate 10 is positioned at the top of the fixing groove 3 to achieve a completely opened state, the limiting plate 16 is arranged to guide the up and down movement of the valve plate 10 to a certain extent and enhance the tightness between the valve plate 10 and the valve frame 5, the connecting plate 11 is arranged to ensure the lifting of the valve plate 10, the connecting plate 11 is attached to the valve frame 5 and further enhance the tightness of the high-temperature resistant flat gate valve, the first limiting groove 12 and the first limiting block 13 are arranged to enable the connection between the valve plate 10 and the connecting plate 11 to be more stable, second restriction groove 14 and second restriction piece 15 set up, can be better fix restriction board 16 to play better direction and airtight effect to valve plate 10, simple structure, convenient operation, the practicality is strong.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. The utility model provides a closed high temperature resistant plate valve, includes valve body (1), its characterized in that: a flow channel (2) and a fixed groove (3) are formed in the valve body (1), the flow channel (2) is communicated with the fixed groove (3), a valve seat (4) is arranged at the bottom of the valve body (1), a valve frame (5) is arranged at the top of the valve body (1), a lifting groove (6) is formed in the valve frame (5), the lifting groove (6) is communicated with the fixed groove (3), a threaded rod (7) is arranged in the lifting groove (6), the top of the threaded rod (7) penetrates through the valve frame (5), a threaded sleeve (8) is connected to the middle of the top of the valve frame (5) through a bearing, the threaded rod (7) is arranged in the threaded sleeve (8), the threaded rod (7) is in threaded connection with the threaded sleeve (8), a rotating wheel (9) is arranged on the outer side of the threaded sleeve (8), a valve plate (10) is arranged in the fixed, valve plate (10) top outside cover is equipped with connecting plate (11), connecting plate (11) are connected with threaded rod (7) through the bearing, just connecting plate (11) laminate mutually with valve frame (5).

2. The enclosed high temperature resistant sluice valve according to claim 1, wherein: a first limiting groove (12) is formed in the connecting plate (11).

3. The enclosed high temperature resistant plate gate valve of claim 2, wherein: a first limiting block (13) is arranged in the first limiting groove (12), and the bottom of the first limiting block (13) is fixedly connected with the valve plate (10).

4. The enclosed high temperature resistant sluice valve according to claim 1, wherein: a second limiting groove (14) is formed in the valve frame (5), and the second limiting groove (14) is communicated with the lifting groove (6).

5. The enclosed high temperature resistant plate gate valve of claim 4, wherein: second limiting blocks (15) are arranged in the second limiting groove (14), limiting plates (16) are arranged between the second limiting blocks (15), square holes (17) are formed in the middle of the limiting plates (16), and the square holes (17) correspond to the valve plate (10).

6. The enclosed high temperature resistant sluice valve according to claim 1, wherein: a communicating groove (18) is formed in the valve seat (4), the communicating groove (18) corresponds to the fixing groove (3), and the communicating groove (18) is communicated with the fixing groove (3).