CN218094508U

CN218094508U - Corrosion-resistant gate valve

Info

Publication number: CN218094508U
Application number: CN202222074397.1U
Authority: CN
Inventors: 刘丽莉
Original assignee: Nanjing Chuanwei Valve Co ltd
Current assignee: Nanjing Chuanwei Valve Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-12-20
Anticipated expiration: 2032-08-08

Abstract

The utility model discloses a corrosion-resistant gate valve relates to the gate valve field, the device comprises a device body, the positive fixedly connected with spud pile at device body top, sealing component's bottom is provided with first dog, the bottom symmetry fixedly connected with connecting block of first dog left and right sides, the front of first dog bottom and the first sealed pad of the symmetrical fixedly connected with of back, the inner wall fixedly connected with anticorrosive coating of device body, the positive fixedly connected with second dog of device body inner chamber bottom, the adaptation groove has been seted up to the front and the back symmetry at second dog top, the guide way has been seted up at the top of fixed block, the positive fixedly connected with filter screen of device body inner chamber, the bottom swing joint of device body inner chamber has the clearance subassembly. A corrosion-resistant gate valve, this device has better sealing performance, can improve the corrosion resisting property of device, can filter the debris in the rivers simultaneously, the clearance debris of also being convenient for simultaneously.

Description

Corrosion-resistant gate valve

Technical Field

The utility model relates to a gate valve field, in particular to corrosion-resistant gate valve.

Background

The gate valve is an opening and closing member gate plate, the moving direction of the gate plate is perpendicular to the fluid direction, the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled, the gate valve is sealed by the contact of a valve seat and the gate plate, and metal materials are usually welded on a sealing surface to increase the wear resistance.

In chinese utility model patent application no: CN202021159021.5 discloses a corrosion-resistant gate valve, including valve body and valve plate, the both sides of valve plate are equipped with the seal cover, the outside of seal cover is equipped with corrosion-resistant layer, one side and the pipeline of valve body are connected, be equipped with filter equipment between valve body and the pipeline, filter equipment includes filter screen, installation piece, sealing ring and sealed dish, the upper end fixed connection of installation piece and filter screen, the sealing ring is located the junction of filter screen and installation piece, sealed dish is located the outside of sealing ring, sealing ring and sealed dish fixed connection, the top of sealed dish is contradicted with the inner wall of valve body and pipeline, the lower extreme junction of valve body and pipeline does not be equipped with the sealing washer of pegging graft each other, and the sealed effect is influenced easily to the bottom of this device valve plate, needs often to dismantle simultaneously to the clearance of inside, and is too troublesome.

Therefore, it is necessary to provide a corrosion-resistant gate valve to solve the above problems.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a corrosion-resistant gate valve, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a fixed pile is fixedly connected in the center of the top of the device body, a sealing assembly is arranged at the top of the fixed pile, a first blocking block is arranged at the bottom of the sealing assembly, connecting blocks are symmetrically and fixedly connected to the bottoms of the left side and the right side of the first blocking block, a guide column is fixedly connected to the bottom of each connecting block, first sealing gaskets are symmetrically and fixedly connected to the front side and the back side of the bottom of the first blocking block, and an anti-corrosion coating is fixedly connected to the inner wall of the device body;

the device body inner chamber's centre fixedly connected with second seals the dog, the adaptation groove has been seted up to the front and the back symmetry at second seal dog top, the left and right sides symmetry fixedly connected with fixed block that the dog was sealed to the second, the guide way has been seted up at the top of fixed block, the front fixedly connected with filter screen of device body inner chamber, the bottom swing joint of device body inner chamber has the clearance subassembly.

Preferably, the sealing assembly bottom is fixed connection has the screw thread post in the centre, the bottom of spud pile inner chamber is the cavity structure, screw thread post threaded connection is at the top of spud pile inner chamber, the centre at first dog top is connected in the rotation of the bottom of screw thread post.

Preferably, the first stop block and the second stop block are matched in size, the number of the guide columns is four, each guide column is symmetrically and fixedly connected to the front and the back of the bottom of each connecting block, the connecting blocks are movably connected to the two sides of the inner cavity of the device body, the number of the guide grooves and the number of the guide columns are matched with the size, and the guide columns are movably connected to the inner cavity of the guide grooves.

Preferably, the size of the adaptation groove is matched with that of the first sealing gasket, the first sealing gasket is inserted into an inner cavity of the adaptation groove, a through groove is formed in the center of the top of the device body and communicated with an inner cavity of the fixing pile, and the through groove is matched with the size of the first sealing stopper.

Preferably, a movable groove is formed in the bottom of the front of the inner cavity of the device body, the front and the back of the top of the inner cavity of the movable groove are symmetrically and fixedly connected with a second sealing gasket, and sliding grooves are symmetrically formed in the centers of the front and the back of the inner cavity of the movable groove.

Preferably, the size looks adaptation of clearance subassembly and activity groove, the top symmetry at the positive and the back of clearance subassembly is provided with the slider, slider swing joint is in the inner chamber of spout, two the torsion shaft is installed to the relative one side symmetry of slider, two the positive symmetrical fixedly connected with spring of slider bottom, the bottom symmetry fixed connection of spring is in the bottom of spout inner chamber, the positive fixedly connected with handle of clearance subassembly bottom, the positive bottom symmetry swing joint with the back of handle has the movable block installation piece, two the one side symmetry fixedly connected with stopper that the movable block installation piece carried on the back mutually, movable block installation piece threaded connection is in the bottom of device body.

Advantageous effects

Compared with the prior art, the utility model discloses following beneficial effect has:

1. this corrosion-resistant gate valve, sealing assembly through rotating the setting, can drive the screw thread post and rotate at the inner chamber of spud pile, with this can drive first chock and remove, when moving first chock downwards, can laminate with second chock mutually, first sealed pad can block into the inner chamber to the adaptation groove simultaneously, accomplish the shutoff to device body inner chamber with this, the sealed effect of device body has been guaranteed, first chock is when removing simultaneously, can drive the connecting block and move down, the guide post can move in the inner chamber of fixed block through the guide way this moment, with this stationarity that can guarantee first chock and remove, make its phenomenon that the skew can not appear, thereby lead to appearing the gap between first chock and the second chock, thereby influence sealed effect.

2. This corrosion-resistant gate valve through the ring flange that sets up, can carry out the device body with being connected of pipeline, through the filter screen that sets up, can prevent to have debris to enter into the inner chamber of device body, causes the phenomenon of jam.

3. This corrosion-resistant gate valve, the clearance subassembly through setting up, can bear the weight of the debris of device body inner chamber, handle through the downward pulling setting, can drive the clearance subassembly and move down, the slider can remove to the bottom of spout inner chamber this moment, rotate the clearance subassembly, make the clearance subassembly can discharge in debris follow movable groove's inner chamber, torsion shaft through setting up, after loosening the clearance subassembly, can reset the clearance subassembly, can drive the slider through the spring that sets up simultaneously, with this make the clearance subassembly wholly can reset, sealed the pad through the second that sets up, can be with carrying out sealed processing between clearance subassembly and the movable groove, movable block installation piece through setting up, can fix the handle, prevent to lead to the clearance subassembly to descend because of water pressure, lead to sealed the problem.

Drawings

FIG. 1 is a front schematic view of the present invention;

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

FIG. 3 is a schematic view of the cleaning assembly of the present invention;

fig. 4 is a schematic structural view of a second seal stop of the present invention;

fig. 5 is a schematic structural view of the first blocking piece of the present invention.

In the figure: 1. a device body; 2. a flange plate; 3. fixing the pile; 4. a seal assembly; 5. a threaded post; 6. a first seal stop block; 7. a first gasket; 8. connecting blocks; 9. a guide post; 10. a through groove; 11. an anti-corrosion coating; 12. a second seal stop block; 13. an adaptation groove; 14. a fixed block; 15. a guide groove; 16. a filter screen; 17. cleaning the assembly; 18. a second gasket; 19. a movable groove; 20. a chute; 21. a slider; 22. a torsion shaft; 23. a spring; 24. a handle; 25. a movable block mounting block; 26. and a limiting block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-5, a corrosion-resistant gate valve comprises a device body 1, a central fixedly connected with spud pile 3 at the top of the device body 1, a sealing assembly 4 is arranged at the top of the spud pile 3, a first sealing block 6 is arranged at the bottom of the sealing assembly 4, connecting blocks 8 are symmetrically and fixedly connected at the bottoms of the left side and the right side of the first sealing block 6, guide posts 9 are fixedly connected at the bottom of the connecting blocks 8, first sealing gaskets 7 are symmetrically and fixedly connected at the front and the back of the bottom of the first sealing block 6, a second sealing block 12 is fixedly connected at the center of the bottom of an inner cavity of the device body 1, adaptive grooves 13 are symmetrically formed at the front and the back of the top of the second sealing block 12, and an anti-corrosion coating 11 is fixedly connected to the inner wall of the device body 1.

The left and right sides symmetry fixedly connected with fixed block 14 of dog 12 is sealed to the second, guide way 15 has been seted up at the top of fixed block 14, the positive fixedly connected with filter screen 16 of 1 inner chamber of device body, the bottom swing joint of 1 inner chamber of device body has cleaning assembly 17, the centre fixedly connected with screw thread post 5 of sealing component 4 bottom, the bottom of 3 inner chambers of spud pile is the cavity structure, 5 threaded connection of screw thread post are at the top of 3 inner chambers of spud pile, the centre at first dog 6 tops is connected in the rotation of the bottom of screw thread post 5, the size looks adaptation of dog 12 is sealed to first dog 6 and second, guide post 9 has four, the front and the back of every guide post 9 symmetry fixed connection in two connecting blocks 8 bottoms.

Connecting block 8 swing joint is in the both sides of the 1 inner chamber of device body, guide way 15 and 9 quantity and size looks adaptations of guide post, guide post 9 swing joint is in the inner chamber of guide way 15, the size looks adaptation of adaptation groove 13 and first sealed pad 7, first sealed pad 7 is pegged graft in the inner chamber of adaptation groove 13, logical groove 10 has been seted up in the centre at 1 top of device body, the inner chamber that leads to groove 10 and spud pile 3 communicates with each other, the size looks adaptation of logical groove 10 and first dog 6, movable groove 19 has been seted up to the positive bottom of the 1 inner chamber of device body, the front and the symmetrical fixedly connected with second sealed pad 18 of back at movable groove 19 inner chamber top, spout 20 has been seted up to the positive symmetry at movable groove 19 inner chamber and the centre symmetry at the back, the size looks adaptation of clearance subassembly 17 and movable groove 19, the top symmetry at the front and the back of clearance subassembly 17 is provided with slider 21.

Slider 21 swing joint is in the inner chamber of spout 20, torsion shaft 22 is installed to the relative one side symmetry of two sliders 21, the centre symmetry fixedly connected with spring 23 of two slider 21 bottoms, the bottom symmetry fixed connection of spring 23 is in the bottom of spout 20 inner chamber, the centre fixedly connected with handle 24 of clearance subassembly 17 bottom, the bottom symmetry swing joint at the front of handle 24 and the back has movable block installation piece 25, the one side symmetry fixedly connected with stopper 26 that two movable block installation pieces 25 carried on the back mutually, movable block installation piece 25 threaded connection is in the bottom of device body 1.

Through the sealing assembly 4 that rotates the setting, can drive the screw post 5 and rotate at the inner chamber of spud pile 3, with this can drive first dog 6 and remove, when first dog 6 moves down, can seal dog 12 with the second and laminate mutually, first sealed pad 7 can block into the inner chamber to adaptation groove 13 simultaneously, accomplish the shutoff to device body 1 inner chamber with this, the sealed effect of device body 1 has been guaranteed, first dog 6 is when removing simultaneously, can drive connecting block 8 and move down, guide post 9 can move in the inner chamber of fixed block 14 through guide way 15 this moment, with this stationarity that can guarantee first dog 6 and remove, make its phenomenon that the skew can not appear, thereby lead to appearing the gap between first dog 6 and the second dog 12, thereby influence sealed effect.

Through the ring flange 2 that sets up, can carry out the connection with the pipeline to device body 1, filter screen 16 through setting up, can prevent that there is debris from entering into the inner chamber of device body 1, cause the phenomenon of jam, through the clearance subassembly 17 that sets up, can bear the weight of the debris of device body 1 inner chamber, handle 24 through pulling the setting downwards, can drive clearance subassembly 17 and move down, slider 21 can remove to the bottom of spout 20 inner chamber this moment, rotate clearance subassembly 17, make clearance subassembly 17 can discharge in debris follow movable groove 19's inner chamber, torsion shaft 22 through setting up, after loosening clearance subassembly 17, can reset clearance subassembly 17, can drive slider 21 through the spring 23 that sets up simultaneously and reset, so that clearance subassembly 17 wholly can reset, through the sealed pad 18 that sets up, can will clear up between subassembly 17 and the movable groove 19 and carry out sealing process, through the movable block installation piece 25 that sets up, can fix hand 24, prevent to lead to clearance subassembly 17 because of water pressure from declining, lead to the sealing problem appears.

It should be noted that, the utility model relates to a corrosion-resistant gate valve, the sealing component 4 rotates during the use, it handles to rise or descend to first dog 6, do shutoff or circulation to this device body 1 and handle, filter screen 16 can filter the debris that contain in the rivers, when needs clear up debris, take out the bolt of being connected with movable block installation piece 25 and device body 1, pulling handle 24 downwards, drive clearance subassembly 17 and remove downwards, clearance subassembly 17 can drive its top accumulational debris and move down this moment, rotate clearance subassembly 17, make debris can discharge in the inner chamber of movable groove 19, loosen clearance subassembly 17 after, torsion shaft 22 can drive clearance subassembly 17 and reset, spring 23 can drive slider 21 and reset, make clearance subassembly 17 can shelter from movable groove 19 again, this moment with movable block installation piece 25 threaded connection again the bottom of device body 1 can.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a corrosion-resistant gate valve, includes device body (1), its characterized in that: a fixing pile (3) is fixedly connected to the center of the top of the device body (1), a sealing assembly (4) is arranged on the top of the fixing pile (3), a first sealing block (6) is arranged at the bottom of the sealing assembly (4), connecting blocks (8) are symmetrically and fixedly connected to the bottoms of the left side and the right side of the first sealing block (6), a guide column (9) is fixedly connected to the bottom of each connecting block (8), first sealing gaskets (7) are symmetrically and fixedly connected to the front side and the back side of the bottom of the first sealing block (6), and an anti-corrosion coating (11) is fixedly connected to the inner wall of the device body (1);

the device body (1) inner chamber bottom centre fixedly connected with second seals dog (12), adaptation groove (13) have been seted up to the front and the back symmetry at dog (12) top is sealed to the second, the left and right sides symmetry fixedly connected with fixed block (14) of dog (12) are sealed to the second, guide way (15) have been seted up at the top of fixed block (14), the front fixedly connected with filter screen (16) of device body (1) inner chamber, the bottom swing joint of device body (1) inner chamber has clearance subassembly (17).

2. A corrosion resistant gate valve according to claim 1, wherein: the centre fixedly connected with screw thread post (5) of seal assembly (4) bottom, the bottom of spud pile (3) inner chamber is the cavity structure, screw thread post (5) threaded connection is at the top of spud pile (3) inner chamber, the centre at first dog (6) top is connected in the rotation of the bottom of screw thread post (5).

3. A corrosion resistant gate valve according to claim 1, wherein: first dog (6) and second dog (12) are sealed to size looks adaptation, guide post (9) have four, every guide post (9) symmetry fixed connection is at the front and the back of two connecting block (8) bottoms, connecting block (8) swing joint is in the both sides of device body (1) inner chamber, guide way (15) and guide post (9) quantity and size looks adaptation, guide post (9) swing joint is in the inner chamber of guide way (15).

4. A corrosion resistant gate valve according to claim 1, wherein: the size of adaptation groove (13) and first sealed pad (7) is adapted, first sealed pad (7) are pegged graft in the inner chamber of adaptation groove (13), logical groove (10) have been seted up to the centre at device body (1) top, the inner chamber that leads to groove (10) and spud pile (3) communicates with each other, the size looks adaptation of leading to groove (10) and first dog (6).

5. A corrosion resistant gate valve according to claim 1, wherein: the device is characterized in that a movable groove (19) is formed in the bottom of the front of an inner cavity of the device body (1), the front and the back of the top of the inner cavity of the movable groove (19) are symmetrically and fixedly connected with a second sealing gasket (18), and sliding grooves (20) are symmetrically formed in the centers of the front and the back of the inner cavity of the movable groove (19).

6. A corrosion resistant gate valve according to claim 1, wherein: clearance subassembly (17) and movable groove (19) size looks adaptation, the top symmetry at the positive and the back of clearance subassembly (17) is provided with slider (21), slider (21) swing joint is in the inner chamber of spout (20), two torsion shaft (22), two are installed to the relative one side symmetry of slider (21) the centre symmetry fixedly connected with spring (23) of slider (21) bottom, the bottom symmetry fixed connection of spring (23) is in the bottom of spout (20) inner chamber, the centre fixedly connected with handle (24) of clearance subassembly (17) bottom, the bottom symmetry swing joint at the positive and the back of handle (24) has movable block installation block (25), two one side symmetry fixedly connected with stopper (26) that the movable block installation block (25) carried on the back mutually, movable block installation block (25) threaded connection is in the bottom of device body (1).