CN218913795U

CN218913795U - Electric gate valve

Info

Publication number: CN218913795U
Application number: CN202223057051.7U
Authority: CN
Inventors: 郭加发; 郭燕清
Original assignee: Zhejiang Aoyuan Valve Co ltd
Current assignee: Zhejiang Aoyuan Valve Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-04-25
Anticipated expiration: 2032-11-17

Abstract

The utility model discloses an electric gate valve, which comprises an electric actuator, a valve body, a valve cover, a valve rod and a gate plate, wherein the top of the valve rod penetrates through the valve cover to be connected with the electric actuator, the bottom of the valve rod is connected with the gate plate, a fluid channel is arranged in the valve body, a groove I is formed in the bottom of the fluid channel, a sealing ring is arranged on one side of the gate plate, a groove II is formed in the top wall of the other side of the gate plate in the fluid channel, a tension spring is arranged in the groove II, the bottom of the tension spring is connected with a movable rod, a tension plate is arranged at the bottom of the movable rod and extends towards the direction of the gate plate, an abutting part extending towards the direction of the movable rod is arranged on the side wall above the gate plate so as to enable the tension plate to intersect with the abutting part in the vertical direction, buffering is provided in the opening and closing process of the gate plate and the inner abrasion of the valve body, and the service life is prolonged.

Description

Electric gate valve

Technical Field

The utility model relates to the technical field of valves, in particular to an electric gate valve.

Background

The electric valve simply uses an electric actuator to control the valve, thereby realizing the opening and closing of the valve. The electric gate valve can be divided into an upper part and a lower part, wherein the upper part is an electric actuator, the lower part is a valve, and the electric gate valve belongs to one of the electric valves.

In the use process of the gate valve, the bottom of the fluid channel of the valve body is provided with a groove, the lower end of the gate plate is generally abutted with the groove, so that the stability of the gate plate can be enhanced, and the tightness of the valve body is enhanced; however, the flashboard is opened and closed in-process generally does not buffer, can produce collision and friction with the valve body inner wall, and in the long term, valve plate and valve body can wear faster, and the wearing and tearing can lead to the inside leakproofness of valve body to receive the influence, have shortened life.

Disclosure of Invention

The utility model aims to provide a buffer for the electric gate valve in the opening and closing process of a gate plate, reduce abrasion of the inside of the gate plate and the valve body and prolong the service life.

The utility model adopts the following technical scheme to solve the technical problems: the utility model provides an electric gate valve, includes electric actuator, valve body, valve gap, valve rod and flashboard, the top of valve rod passes the valve gap and is connected with electric actuator, the bottom and the flashboard of valve rod are connected, be equipped with fluid passage in the valve body, fluid passage's bottom is equipped with recess one, fluid passage is equipped with the sealing washer in one side of flashboard, fluid passage has seted up recess two at the roof of the opposite side of flashboard, recess two inside is equipped with extension spring, extension spring's bottom is connected with the movable rod, the bottom of movable rod is equipped with the extension board, the extension board extends towards the direction of flashboard, the top lateral wall of flashboard is equipped with the butt portion that extends towards the movable rod direction, in order to realize extension board and butt portion intersect in vertical direction.

As a further optimization of the utility model, the bottom of the first groove is provided with an air chamber, the top of the air chamber is provided with an opening and a diaphragm, a buffer spring is arranged in the air chamber, and the top of the buffer spring is abutted with the diaphragm.

As a further optimization of the utility model, a sliding groove is formed in the side wall of the second groove, a sliding block is arranged on the side wall of the movable rod, and the movable rod is connected with the second groove in a sliding manner.

As a further optimization of the utility model, the lower end of the abutting part is provided with a convex block, and the top of the stretching plate is provided with a clamping groove matched with the convex block.

As a further optimization of the utility model, the bottom of the first groove is provided with a threaded hole, and the outer wall of the air chamber is provided with external threads and is in threaded connection with the threaded hole.

As a further optimization of the utility model, the flashboard comprises a flashboard body and a wear-resistant part, wherein the wear-resistant part is connected with the flashboard body through a bolt, and the wear-resistant part is in sealing fit with the sealing ring.

As a further optimization of the utility model, the wear-resistant part is made of alloy steel.

The beneficial effects of the utility model are as follows: when the valve plate moves downwards to be attached to the sealing ring, the upper part of the valve plate enters the fluid channel from the inside of the valve cover, the abutting part is contacted with the stretching plate, the stretching plate is driven to move downwards, the movable rod moves downwards, the stretching spring is elongated, the abutting part is subjected to reaction force, meanwhile, the bottom of the valve plate presses the diaphragm, the buffer spring is pressed, the buffer spring is used for buffering the valve plate body, impact force generated when the valve plate descends is reduced, abrasion of the valve plate and the inside of the valve body is reduced, the service life is prolonged, the alloy steel material has good abrasion resistance, and the abrasion between the sealing surface of the valve plate and the valve body is reduced due to the arrangement of the abrasion-resistant part.

Drawings

FIG. 1 shows a hair clipper of the present utility model

FIG. 2 is a diagram of the utility model A

FIG. 3 is a diagram of the utility model A;

the meaning of the reference numerals in the figures: 11. an electric actuator; 12. a valve cover; 13. a valve stem; 14. a valve body; 141. a fluid channel; 142. a groove I; 151. a flashboard body; 1511. an abutting portion; 1512. a bump; 152. a wear-resistant portion; 153. a bolt; 16. a seal ring; 2. a second groove; 21. a chute; 3. a tension spring; 31. a slide block; 4. a movable rod; 41. a chute; 5. stretching a plate; 51. a clamping groove; 6. a threaded hole; 7. a gas chamber; 8. a buffer spring; 9. a membrane.

Detailed Description

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Referring to fig. 1-3, the embodiment of the present disclosure further provides: the electric gate valve comprises an electric actuator 11, a valve body 14, a valve cover 12, a valve rod 13 and a gate plate, wherein the top of the valve rod 13 penetrates through the valve cover 12 to be connected with the electric actuator 11, the bottom of the valve rod 13 is connected with the gate plate, a fluid channel 141 is arranged in the valve body 14, a groove I142 is arranged at the bottom of the fluid channel 141, a sealing ring 16 is arranged at the left side of the gate plate in the fluid channel 141, and a groove I142 is arranged at the bottom of the fluid channel 141;

referring to fig. 3, the bottom of the groove one 142 is provided with a gas chamber 7, the top of the gas chamber 7 is opened and is provided with a membrane 9, a buffer spring 8 is arranged in the gas chamber 7, the top of the buffer spring 8 is in butt joint with the membrane 9, the bottom of the groove one 142 is provided with the gas chamber 7, the top of the gas chamber 7 is opened and is provided with the membrane 9, a buffer spring 8 is arranged in the gas chamber 7, and the top of the buffer spring 8 is in butt joint with the membrane 9.

Referring to fig. 2, the fluid channel 141 has a groove two 2 formed on the top wall of the right side of the shutter, a tension spring 3 is disposed in the groove two 2, the bottom of the tension spring 3 is connected with a movable rod 4, a sliding block 31 is disposed on the side wall of the movable rod 4, the movable rod 4 is slidably connected with the groove two 2, a tension plate 5 is disposed on the bottom of the movable rod 4, the tension plate 5 extends towards the direction of the shutter, an abutting portion 1511 extending towards the direction of the movable rod 4 is disposed on the upper side wall of the shutter, so as to achieve that the tension plate 5 intersects with the abutting portion 1511 in the vertical direction, the tension plate 5 does not intersect with the lower side of the shutter in the vertical direction due to the wedge shape of the right side of the shutter, a bump 1512 is disposed at the lower end of the abutting portion 1511, and a clamping groove 51 adapted to the bump 1512 is disposed on the top of the tension plate 5;

the flashboard comprises a flashboard body 151 and a wear-resistant part 152, the wear-resistant part 152 is positioned on one side of the flashboard close to the sealing ring 16, the wear-resistant part 152 is connected with the flashboard body 151 through a bolt 153, the wear-resistant part 152 is made of alloy steel, the wear-resistant part 152 is in sealing fit with the sealing ring 16, and the stretching plate 5 is not intersected with the bolt 153 in the vertical direction because the bolt 153 passes through the flashboard rightwards and has a length smaller than the width of the upper right side of the flashboard.

The principle of the utility model is as follows: when the medium flows from left to right in the fluid channel 141 and is closed, the electric actuator 11 controls the valve rod 13 to move downwards to drive the flashboard to move downwards, when the flashboard moves downwards to be attached to the sealing ring 16, the upper part of the flashboard enters the fluid channel 141 from the inside of the valve cover 12, the abutting part 1511 contacts with the stretching plate 5, the convex block 1512 is clamped with the clamping groove 51, the abutting part 1511 is prevented from deflecting left and right with the stretching plate 5 to drive the stretching plate 5 to move downwards, the movable rod 4 slides downwards in the groove II 2, the stretching spring 3 is lengthened, the abutting part 1511 is subjected to a reaction force, meanwhile, the bottom of the flashboard presses the diaphragm 9, and the buffer spring 8 is extruded, so that buffer is provided for a flashboard body, the impact force generated when the flashboard descends is reduced, the abrasion of the inside of the valve plate and the valve body 14 is reduced, and the service life is prolonged;

the alloy steel material has good wear resistance, and the wear-resistant part 152 is arranged to reduce the wear between the sealing surface of the flashboard and the valve body 14;

through seting up screw hole 6, realize that air chamber 7 can dismantle for valve body 14, after air chamber 7 and flashboard produced certain loss, can also dismantle the change alone.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The utility model provides an electric gate valve, includes electric actuator (11), valve body (14), valve gap (12), valve rod (13) and flashboard, valve gap (12) are passed at the top of valve rod (13) and electric actuator (11) are connected, the bottom and the flashboard of valve rod (13) are connected, be equipped with fluid passage (141) in valve body (14), the bottom of fluid passage (141) is equipped with recess one (142), fluid passage (141) are equipped with sealing washer (16) in one side of flashboard, a serial communication port, fluid passage (141) are offered recess two (2) at the roof of the opposite side of flashboard, the inside extension spring (3) that is equipped with of recess two (2), the bottom of extension spring (3) is connected with movable rod (4), the bottom of movable rod (4) is equipped with tensile plate (5), tensile plate (5) towards the direction extension of flashboard, the top lateral wall of flashboard is equipped with towards butt portion (1511) that the movable rod (4) direction extends, in order to realize tensile plate (5) with crossing in vertical direction in the butt portion (1511).

2. The electric gate valve according to claim 1, wherein the bottom of the first groove (142) is provided with an air chamber (7), the top of the air chamber (7) is provided with an opening and a diaphragm (9), a buffer spring (8) is arranged in the air chamber (7), and the top of the buffer spring (8) is abutted with the diaphragm (9).

3. The electric gate valve according to claim 1, wherein the side wall of the second groove (2) is provided with a sliding groove (41) (21), the side wall of the movable rod (4) is provided with a sliding block (31), and the movable rod (4) is slidably connected with the second groove (2).

4. A gate valve according to claim 1 or 3, wherein the lower end of the abutting part (1511) is provided with a bump (1512), and the top of the stretching plate (5) is provided with a clamping groove (51) adapted to the bump (1512).

5. An electric gate valve according to claim 2, characterized in that the bottom of the groove one (142) is provided with a threaded hole (6), and the outer wall of the air chamber (7) is provided with external threads and is in threaded connection with the threaded hole (6).

6. The electric gate valve according to claim 1, characterized in that the gate comprises a gate body (151) and a wear part (152), the wear part (152) is connected with the gate body (151) by means of a bolt (153), and the wear part (152) is in sealing fit with a sealing ring (16).