CN216078374U

CN216078374U - Proportional valve

Info

Publication number: CN216078374U
Application number: CN202122529766.7U
Authority: CN
Inventors: 杨兆宝
Original assignee: Wuxi Aituoli Electric Co ltd
Current assignee: Wuxi Aituoli Electric Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-03-18
Anticipated expiration: 2031-10-20

Abstract

The utility model provides a proportional valve, which comprises a valve body, a valve core and a valve seat, wherein the valve core is arranged on the valve body; the valve body includes mount pad and erection column, the erection column sets up the up end of mount pad, the erection column inserts in solenoid's centre bore, the case is the electro-magnet, disk seat demountable installation is in the mount pad, the case is through reciprocating the flow of adjusting the proportional valve, through above-mentioned setting, can drive the case and reciprocate after solenoid circular telegram, through the size of adjusting solenoid medium current, the position of control case reaches the purpose of adjusting fluid flow, and the proportional valve structure of this structure is simpler, and the response is more quick, has higher practical value.

Description

Proportional valve

Technical Field

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

Background

A proportional valve is a variable flow valve that can output a continuous range of flow. In a proportional valve, the valve opening amount may be proportional to the solenoid current in the associated valve actuation solenoid. Thus, a proportional valve can provide a regulated fluid flow ranging from zero flow to the maximum flow of the valve.

However, most of the existing proportional valves have the defects of complicated structure, slow response and the like. Therefore, an object of the present invention is to provide a proportional valve to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to achieve the purpose, the utility model provides a proportional valve, which comprises a valve body, a valve core and a valve seat; the valve body comprises a mounting seat and a mounting column, the mounting column is arranged on the upper end face of the mounting seat, the mounting column is inserted into a central hole of an electromagnetic coil, the valve core is an electromagnet, the valve seat is detachably mounted in the mounting seat, and the valve core adjusts the flow of the proportional valve through moving up and down.

By adopting the technical scheme, the valve core made of the electromagnet is arranged in the valve body, so that the valve core can be driven to move up and down after the electromagnetic coil is electrified, the position of the valve core is controlled by adjusting the current in the electromagnetic coil, and the purpose of adjusting the flow of fluid is achieved.

Furthermore, the lower end face of the mounting seat is provided with a first mounting hole, the upper wall of the first mounting hole is provided with a second mounting hole, a third mounting hole is formed in the mounting column, the lower end of the third mounting hole is communicated with the second mounting hole, the valve core comprises a sliding rod and a piston column, the valve seat comprises a mounting pipe, the upper end of the mounting pipe is provided with a piston hole recessed downwards, two ends of the upper end of the outer wall of the mounting pipe are respectively provided with a limiting ring and a connecting ring, the connecting ring is connected with the first mounting hole through threads, the upper end face of the limiting ring is abutted to the upper wall of the second mounting hole, the sliding rod can slide up and down in the third mounting hole, and the piston column can move up and down in the piston hole.

Adopt above-mentioned technical scheme, through setting up the gliding slide bar about can in the third mounting hole, can be at the downthehole piston post that reciprocates of piston to can be when the piston post reciprocates, inject the position of piston post through slide bar cooperation third mounting hole, guarantee the cooperation precision of piston post and piston hole.

Furthermore, the bottom surface of the piston hole is provided with a feeding hole extending out of the lower end surface of the mounting pipe, the lower end surface of the connecting ring is provided with a discharging hole extending out of the upper end surface of the connecting ring, and the outer wall of the mounting pipe is uniformly provided with a plurality of flow guide grooves extending into the piston hole.

By adopting the technical scheme, the feeding hole, the discharging hole and the guide groove are arranged, the piston column can move up and down, and the guide groove can be adjusted to pass through the area of fluid, so that the purpose of adjusting the flow of the fluid is realized.

Furthermore, the outer wall of the sliding rod is provided with a spring, and the upper end and the lower end of the spring are respectively fixedly connected with the upper wall of the second mounting hole and the upper end face of the piston column.

Adopt above-mentioned technical scheme, through setting up the spring, can be when solenoid does not switch on or solenoid outage, through the tension of spring with the bottom surface top in the piston hole of piston post to seal the feed port.

Further, the outer walls of the connecting ring and the limiting ring are provided with sealing rings.

By adopting the technical scheme, through the arrangement of the sealing ring, the fluid can be prevented from flowing out of the first mounting hole through the gap between the connecting ring and the first mounting hole, and the fluid can be prevented from entering the third mounting hole through the gap between the limiting ring and the second mounting hole.

Furthermore, the upper end faces of the limiting ring and the outer wall of the connecting ring are respectively provided with a mounting ring which is recessed downwards, and the mounting rings are used for mounting a sealing ring.

By adopting the technical scheme, the mounting ring can be used for mounting and fixing the sealing ring.

Compared with the prior art, the utility model has the beneficial effects that:

1. the valve core made of the electromagnet is arranged in the valve body, so that the valve core can be driven to move up and down after the electromagnetic coil is electrified, the position of the valve core is controlled by adjusting the current in the electromagnetic coil, and the purpose of adjusting the fluid flow is achieved;

2. according to the utility model, the slide rod capable of sliding up and down in the third mounting hole and the piston column capable of moving up and down in the piston hole are arranged, so that when the piston column moves up and down, the position of the piston column is limited by matching the slide rod with the third mounting hole, and the matching precision of the piston column and the piston hole is ensured;

3. according to the utility model, the feeding hole, the discharging hole and the diversion trench are arranged, so that the piston column can move up and down, and the area of the diversion trench, through which fluid can pass, can be adjusted, thereby achieving the purpose of adjusting the flow of the fluid;

4. according to the utility model, by arranging the spring, when the electromagnetic coil is not electrified or the electromagnetic coil is powered off, the lower end surface of the piston column is pressed against the bottom surface of the piston hole by the tension of the spring, so that the feeding hole is closed;

5. according to the utility model, by arranging the sealing ring, fluid can be prevented from flowing out of the first mounting hole through a gap between the connecting ring and the first mounting hole, and fluid can be prevented from entering the third mounting hole through a gap between the limiting ring and the second mounting hole;

6. the installation ring is arranged, so that the sealing ring can be conveniently and fixedly installed.

Drawings

FIG. 1 is a schematic view of a structure of a proportional valve provided in example 1 of the present invention;

FIG. 2 is a schematic diagram showing an enlarged structure of a valve body in a proportional valve according to embodiment 1 of the present invention;

FIG. 3 is a schematic diagram showing an enlarged structure of a valve seat in a proportional valve according to embodiment 1 of the present invention;

FIG. 4 is a bottom view of a valve seat in a proportional valve provided in embodiment 1 of the present invention;

fig. 5 is a cross-sectional view of a valve body in a proportional valve provided in embodiment 1 of the present invention.

In the figure: 1. a valve body; 11. a mounting seat; 12. mounting a column; 111. a first mounting hole; 112. a second mounting hole; 121. a third mounting hole; 2. a valve core; 21. a slide bar; 22. a piston post; 23. a spring; 3. a valve seat; 31. installing a pipe; 32. a limiting ring; 33. a connecting ring; 311. a piston bore; 312. a feed port; 313. a diversion trench; 321. a discharge hole; 331. and (7) installing a ring.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to be limiting of the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The present invention will be described in further detail with reference to the accompanying drawings.

Example one

Referring to fig. 1-5, a proportional valve includes a valve body 1, a valve core 2 and a valve seat 3; the valve body 1 comprises a mounting seat 11 and a mounting column 12, the mounting column 12 is arranged on the upper end face of the mounting seat 11, the mounting column 12 is inserted into a central hole of the electromagnetic coil, the valve core 2 is an electromagnet, the valve seat 3 is detachably mounted in the mounting seat 11, and the valve core 2 adjusts the flow of the proportional valve by moving up and down.

Please refer to fig. 4 and 5, a first mounting hole 111 is formed in a lower end surface of the mounting seat 11, a second mounting hole 112 is formed in an upper wall of the first mounting hole 111, a third mounting hole 121 is formed in the mounting column 12, a lower end of the third mounting hole 121 is communicated with the second mounting hole 112, the valve core 2 includes a sliding rod 21 and a piston column 22, the valve seat 3 includes a mounting tube 31, a piston hole 311 recessed downward is formed in an upper end of the mounting tube 31, a limiting ring 32 and a connecting ring 33 are respectively formed at two ends of an upper end of an outer wall of the mounting tube 31, the connecting ring 33 is connected with the first mounting hole 111 through a screw thread, an upper end surface of the limiting ring 32 abuts against the upper wall of the second mounting hole 112, the sliding rod 21 can slide up and down in the third mounting hole 121, and the piston column 22 can move up and down in the piston hole 311.

Please refer to fig. 3 and 4, a bottom surface of the piston hole 311 is provided with a feeding hole 312 extending out of a lower end surface of the mounting tube 31, a lower end surface of the connecting ring 33 is provided with a discharging hole 321 extending out of an upper end surface of the connecting ring 33, an outer wall of the mounting tube 31 is uniformly provided with a plurality of guiding grooves 313 extending into the piston hole 311, outer walls of the connecting ring 33 and the limiting ring 32 are both provided with sealing rings, upper end surfaces of the outer walls of the limiting ring 32 and the connecting ring 33 are both provided with a mounting ring 331 recessed downwards, and the mounting ring 331 is used for mounting the sealing rings.

Please refer to fig. 5 again, a spring 23 is disposed on an outer wall of the sliding rod 21, and upper and lower ends of the spring 23 are respectively fixedly connected to an upper wall of the second mounting hole 112 and an upper end surface of the piston post 22.

The specific operation mode of the first embodiment of the utility model is as follows:

the electromagnetic coil is electrified, the electromagnetic coil generates upward suction force on the valve core 2 after being electrified, the valve core 2 moves upwards, in the process, the position of the piston hole 311 relative to the valve body 1 can be ensured through the matching of the connecting ring 33 and the first mounting hole 111 and the matching of the limiting ring 32 and the second mounting hole 112, the position of the piston column 22 relative to the valve body 1 can be ensured through the matching of the sliding rod 21 and the third mounting hole 121, and therefore the position of the piston column 22 relative to the piston hole 311 is ensured when the piston column 22 moves up and down; further, piston post 22 moves upwards, thereby expose by piston post 22 shutoff guiding gutter 313 gradually, make guiding gutter 313 with piston hole 311 and the outside space intercommunication of installation pipe 31, fluid can get into in piston hole 311 through feed port 312, and then enter into the outside space of installation pipe 31 through piston hole 311, and then discharge through discharge opening 321, through the size of adjustment current, can adjust solenoid's suction, thereby can adjust the upper and lower position of case 2, realize the function of regulation flow.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims

1. A proportioning valve characterized by: comprises a valve body (1), a valve core (2) and a valve seat (3);

the electromagnetic valve is characterized in that the valve body (1) comprises a mounting seat (11) and a mounting column (12), the mounting column (12) is arranged on the upper end face of the mounting seat (11), the mounting column (12) is inserted into a central hole of an electromagnetic coil, the valve core (2) is an electromagnet, the valve seat (3) is detachably mounted in the mounting seat (11), and the valve core (2) adjusts the flow of the proportional valve by moving up and down.

2. A proportioning valve according to claim 1 wherein: the lower end face of the mounting seat (11) is provided with a first mounting hole (111), the upper wall of the first mounting hole (111) is provided with a second mounting hole (112), the mounting column (12) is internally provided with a third mounting hole (121), the lower end of the third mounting hole (121) is communicated with the second mounting hole (112), the valve core (2) comprises a sliding rod (21) and a piston column (22), the valve seat (3) comprises a mounting pipe (31), the upper end of the mounting pipe (31) is provided with a downward recessed piston hole (311), two ends of the upper end of the outer wall of the mounting pipe (31) are respectively provided with a limiting ring (32) and a connecting ring (33), the connecting ring (33) is connected with the first mounting hole (111) through threads, the upper end face of the limiting ring (32) is abutted against the upper wall of the second mounting hole (112), and the sliding rod (21) can slide up and down in the third mounting hole (121), the piston post (22) is movable up and down within the piston bore (311).

3. A proportioning valve according to claim 2 wherein: the bottom surface of the piston hole (311) is provided with a feeding hole (312) extending out of the lower end surface of the mounting pipe (31), the lower end surface of the connecting ring (33) is provided with a discharging hole (321) extending out of the upper end surface of the connecting ring (33), and the outer wall of the mounting pipe (31) is uniformly provided with a plurality of flow guide grooves (313) extending into the piston hole (311).

4. A proportioning valve according to claim 3 wherein: and a spring (23) is arranged on the outer wall of the sliding rod (21), and the upper end and the lower end of the spring (23) are respectively fixedly connected with the upper wall of the second mounting hole (112) and the upper end face of the piston column (22).

5. A proportioning valve according to claim 4 wherein: and sealing rings are arranged on the outer walls of the connecting ring (33) and the limiting ring (32).

6. A proportioning valve according to claim 5 wherein: the upper end surfaces of the outer walls of the limiting ring (32) and the connecting ring (33) are respectively provided with a mounting ring (331) which is recessed downwards, and the mounting rings (331) are used for mounting sealing rings.