CN220151924U

CN220151924U - Plane electric valve

Info

Publication number: CN220151924U
Application number: CN202320592163.8U
Authority: CN
Inventors: 张克锋; 王丽莹; 张伟; 殷彦民; 张驭翔
Original assignee: Zhengzhou Kangrun Fluid Equipment Co ltd
Current assignee: Henan Binrun Water Treatment Technology Co ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-12-08
Anticipated expiration: 2033-03-23

Abstract

The utility model discloses a plane electric valve, which relates to the technical field of plane valves and comprises a movable valve plate and a valve body, wherein the valve body is provided with an inner cavity, the middle part of the inner cavity is provided with a baffle plate for dividing the inner cavity into two chambers, the two chambers are respectively communicated with an inlet and an outlet of the valve body, a first plane is arranged on the baffle plate, and a first fluid channel for communicating the two chambers is arranged on the first plane; the movable valve plate is arranged in the inner cavity, a second plane is arranged on the movable valve plate, a second fluid channel is arranged on the second plane, and a sealing gasket is arranged between the first plane and the second plane; the second plane is rotatable relative to the first plane and the first fluid passage is capable of being displaced or in communication with the second fluid passage. The plane electric valve has simpler structure for realizing the switching and adjusting of the pipeline, thereby reducing the production and assembly cost, and simultaneously having small sealing effect and friction force at the rotating connection part of the movable valve plate and the partition plate.

Description

Plane electric valve

Technical Field

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

Background

The plane electric valve is usually connected by an electric actuator and a valve, and becomes the electric valve after installation and debugging. The valve is driven by the electric actuating mechanism, so that the opening and closing and adjusting actions of the valve are realized. Thereby achieving the purpose of switching or adjusting the pipeline medium.

The valve core of the existing electric plane valve is usually composed of a movable valve plate and a fixed valve plate, fluid passages are formed in the movable valve plate and the fixed valve plate, the movable valve plate is driven to rotate by an electric actuating mechanism, so that the fluid passages on the movable valve plate and the fixed valve plate are staggered or communicated to realize the on-off and adjustment of a pipeline, and the valve core is composed of two parts, so that the production cost and the assembly cost of the valve core are correspondingly improved.

Meanwhile, in order to ensure the sealing effect, a certain pressure is usually applied to the movable valve plate, for example, in chinese application No. CN202122657404.6, a corrosion-resistant planar directional valve is disclosed, which includes: the device comprises a planar valve, a valve core connecting sleeve, an input connecting shaft, a compression spring, a planar thrust bearing and an integrated closed-loop stepping motor. The corrosion-resistant plane reversing valve applies certain pressure to the valve core through the compression springs so as to enable the valve core to be tightly attached to the plane valve, and although a good sealing effect can be obtained, the corrosion-resistant plane reversing valve is complex in structure and inconvenient to assemble.

Therefore, it is necessary to provide a planar electric valve to solve the above problems.

Disclosure of Invention

(one) solving the technical problems

The utility model aims to provide a plane electric valve with simple structure and good sealing effect, so as to solve the existing problems in the background technology.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the plane electric valve comprises a movable valve plate and a valve body, wherein an inner cavity is formed in the valve body, a partition plate for dividing the inner cavity into two chambers is arranged in the middle of the inner cavity, the two chambers are respectively communicated with an inlet and an outlet of the valve body, a first plane is arranged on the partition plate, and a first fluid channel for communicating the two chambers is arranged on the first plane;

the movable valve plate is arranged in the inner cavity, a second plane is arranged on the movable valve plate, a second fluid channel is arranged on the second plane, and a sealing gasket is arranged between the first plane and the second plane;

the second plane is rotatable relative to the first plane and the first fluid passage is capable of being displaced or in communication with the second fluid passage.

Preferably, the movable valve plate is driven to rotate by the servo motor through a transmission piece, one end of the transmission piece is in transmission connection with the movable valve plate, and the other end of the transmission piece penetrates through the valve body and is connected with an output shaft of the servo motor through gear transmission.

Preferably, a plurality of inserting blocks are uniformly distributed on the lower end face of the transmission piece along the circumferential direction of the transmission piece, slots matched with the inserting blocks are formed in the upper end face of the movable valve plate, and the inserting blocks are inserted into the slots.

Preferably, the first fluid channel and the second fluid channel are sector-shaped with an arc angle of 180 degrees.

Preferably, a valve cover and a motor fixing bin are arranged on the outer side of the valve body.

Preferably, the transmission piece is connected with the valve body in a sealing and rotating way through a sealing piece, the sealing piece is sleeved on the outer side of the transmission piece and is in threaded connection with the valve body, and a plurality of sealing rings are arranged between the sealing piece and the valve body and between the sealing piece and the transmission piece.

Preferably, the middle part of the transmission piece is conical, and a conical hole matched with the transmission piece is formed in the middle part of the sealing piece.

Preferably, the first plane is provided with a limiting groove, and the sealing gasket is provided with a limiting edge matched with the limiting groove.

Preferably, the movable valve plate and the valve body are integrally formed plastic pieces.

Preferably, the sealing gasket is a polytetrafluoroethylene sealing gasket.

(III) beneficial effects

Compared with the prior art, the utility model provides a plane electric valve, which has the following beneficial effects:

1. according to the plane electric valve, the movable valve plate, the sealing gasket and the partition plate are arranged in the valve body, the opening and closing of the plane valve are realized through rotating the movable valve plate, compared with the traditional plane valve, the fixed valve plate is omitted, the structure of the plane electric valve is simpler, and the abrasion of a rotating joint can be reduced under the action of the polytetrafluoroethylene sealing gasket, so that the production and assembly costs are reduced.

2. The plane electric valve can apply downward pressure to the transmission piece by arranging the conical transmission piece under the action of the conical hole of the sealing piece so as to improve the sealing effect of the rotating joint of the movable valve plate and the partition plate.

Drawings

FIG. 1 is a schematic cross-sectional view of a structure of the present utility model;

FIG. 2 is a schematic perspective view of the structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of a valve body of the present utility model;

FIG. 4 is a schematic perspective view of a driving member of the present utility model;

FIG. 5 is a schematic perspective view of a movable valve plate according to the present utility model;

fig. 6 is a schematic bottom view of the sealing gasket of the present utility model.

In the figure: 1. a valve cover; 3. a servo motor; 4. a seal; 5. a transmission member; 6. a movable valve plate; 7. a motor fixing bin; 8. a valve body; 9. a seal ring; 10. inserting blocks; 11. a slot; 12. a second fluid passage; 13. a sealing gasket; 14. a limit edge; 15. a limit groove; 16. a first fluid passage; 17. a partition board.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a planar electric valve includes a movable valve plate 6 and a valve body 8, wherein the valve body 8 is formed with an inner cavity, a partition 17 dividing the inner cavity into two chambers is arranged in the middle of the inner cavity, the two chambers are respectively communicated with an inlet and an outlet of the valve body 8, a first plane is arranged on the partition 17, and a first fluid channel 16 for communicating the two chambers is arranged on the first plane.

The movable valve plate 6 is arranged in the inner cavity, a second plane is arranged on the movable valve plate 6, a second fluid channel 12 is arranged on the second plane, a sealing gasket 13 is arranged between the first plane and the second plane, a limiting groove 15 is formed in the first plane, a limiting edge 14 matched with the limiting groove 15 is arranged on the sealing gasket 13, the sealing gasket 13 is inserted into the partition plate 17 through the limiting groove 15 and the limiting edge 14, and the sealing gasket 13 is prevented from rotating along with the movable valve plate 6.

The second plane can rotate relative to the first plane, the first fluid channel 16 can be staggered or communicated with the second fluid channel 12, the movable valve plate 6 and the valve body 8 are integrally formed plastic pieces, and the valve cover 1 and the motor fixing bin 7 are arranged on the outer side of the valve body 8.

The sealing gasket 13 is a polytetrafluoroethylene sealing gasket, and has better sealing property and acid and alkali resistance by adopting the polytetrafluoroethylene sealing gasket, and meanwhile, the polytetrafluoroethylene has a small friction coefficient, so that the friction force of a rotating joint when the plane valve is opened and closed can be reduced, and the service life of the plane valve is prolonged.

The movable valve plate 6 is driven to rotate by the servo motor 3 through a transmission piece 5, one end of the transmission piece 5 is in transmission connection with the movable valve plate 6, and the other end of the transmission piece 5 penetrates through the valve body 8 and is connected with an output shaft of the servo motor 3 through gear transmission. The lower terminal surface of driving medium 5 has evenly been laid along its circumferencial direction a plurality of inserts 10, and the up end of moving valve block 6 is equipped with the slot 11 with insert 10 looks adaptation, and insert 10 and slot 11 peg graft, and driving medium 5 adopts the mode of pegging graft to carry out the transmission with moving valve block 6 to be connected, makes its dismouting of being convenient for, makes it more convenient when changing the maintenance.

The first fluid channel 16 and the second fluid channel 12 are all fan-shaped with 180-degree radian angles, so that a larger flow cross section can be obtained after the plane electric valve is opened, the sealing gasket 13 is in a Chinese character 'ri' shape, and the sealing gasket 13 corresponds to the edges of the first fluid channel 16 and the second fluid channel 12.

In some embodiments, the transmission member 5 is in sealed rotation connection with the valve body 8 through the sealing member 4, the sealing member 4 is sleeved on the outer side of the transmission member 5 and in threaded connection with the valve body 8, a plurality of sealing rings 9 are arranged between the sealing member 4 and the valve body 8 and between the sealing member 4 and the transmission member 5, the middle part of the transmission member 5 is conical, and a conical hole matched with the transmission member 5 is formed in the middle part of the sealing member 4.

When the sealing element 4 is installed, the sealing element can exert downward pressure on the transmission element 5 under the action of the conical hole, so that the sealing effect of the rotary joint of the movable valve plate 6 and the partition plate 17 is improved.

Working principle: when the plane valve is opened or closed, the servo motor 3 drives the movable valve plate 6 to rotate through the transmission piece 5, so that the first fluid channel 16 is misplaced or communicated with the second fluid channel 12, and the blocking and communication of the inlet and the outlet of the valve body 8 are completed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a plane motorised valve, includes movable valve block (6) and valve body (8), its characterized in that: the valve body (8) is provided with an inner cavity, a partition board (17) for dividing the inner cavity into two chambers is arranged in the middle of the inner cavity, the two chambers are respectively communicated with an inlet and an outlet of the valve body (8), a first plane is arranged on the partition board (17), and a first fluid channel (16) for communicating the two chambers is arranged on the first plane;

the movable valve plate (6) is arranged in the inner cavity, a second plane is arranged on the movable valve plate (6), a second fluid channel (12) is arranged on the second plane, and a sealing gasket (13) is arranged between the first plane and the second plane;

the second plane is rotatable relative to the first plane and the first fluid passage (16) is capable of being displaced or in communication with the second fluid passage (12).

2. A planar electrically operated valve as set forth in claim 1 wherein: the movable valve plate (6) is driven to rotate by the servo motor (3) through a transmission piece (5), one end of the transmission piece (5) is in transmission connection with the movable valve plate (6), and the other end of the transmission piece (5) penetrates through the valve body (8) and is connected with an output shaft of the servo motor (3) through gear transmission.

3. A planar electrically operated valve as set forth in claim 2 wherein: the lower end face of the transmission piece (5) is uniformly provided with a plurality of inserting blocks (10) along the circumferential direction, the upper end face of the movable valve plate (6) is provided with inserting grooves (11) matched with the inserting blocks (10), and the inserting blocks (10) are inserted into the inserting grooves (11).

4. A planar electrically operated valve as set forth in claim 1 wherein: the first fluid channel (16) and the second fluid channel (12) are both fan-shaped with an arc angle of 180 degrees.

5. A planar electrically operated valve as set forth in claim 1 wherein: the outside of valve body (8) is equipped with valve gap (1) and motor fixed bin (7).

6. A planar electrically operated valve as set forth in claim 2 wherein: the transmission piece (5) is connected with the valve body (8) in a sealing and rotating way through the sealing piece (4), the sealing piece (4) is sleeved on the outer side of the transmission piece (5) and is in threaded connection with the valve body (8), and a plurality of sealing rings (9) are arranged between the sealing piece (4) and the valve body (8) and between the sealing piece (4) and the transmission piece (5).

7. A planar electrically operated valve as set forth in claim 6 wherein: the middle part of the transmission piece (5) is conical, and a conical hole matched with the transmission piece (5) is formed in the middle part of the sealing piece (4).

8. A planar electrically operated valve as set forth in claim 1 wherein: the first plane is provided with a limiting groove (15), and the sealing gasket (13) is provided with a limiting edge (14) matched with the limiting groove (15).

9. A planar electrically operated valve as set forth in claim 1 wherein: the movable valve plate (6) and the valve body (8) are integrally formed plastic pieces.

10. A planar electrically operated valve as set forth in claim 1 wherein: the sealing gasket (13) is a polytetrafluoroethylene sealing gasket.