CN215928497U

CN215928497U - Low-resistance-coefficient porous check valve capable of realizing self-adaptive flow regulation

Info

Publication number: CN215928497U
Application number: CN202122522106.6U
Authority: CN
Inventors: 聂彬; 吴昌辉
Original assignee: Shanghai Shangyuan Pump Industry Manufacturing Co ltd
Current assignee: Shanghai Shangyuan Pump Industry Manufacturing Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-03-01
Anticipated expiration: 2031-10-20

Abstract

The utility model provides a low-resistance coefficient porous check valve capable of realizing self-adaptive flow regulation, which comprises: the valve body is arranged on the water conveying pipeline, and a mounting hole is formed in the valve body; the valve core is arranged in the mounting hole and comprises a valve core main body, a valve core valve clack, a second sealing ring and a spring, the valve core valve clack faces the water inlet direction, and the second sealing ring is arranged at the joint of the valve core main body and the valve core valve clack; the first sealing rings are arranged on the front side surface and the rear side surface of the valve body, and the first sealing rings are positioned at the connecting part of the valve body and the water pipeline. The utility model solves the problems that the flow regulation function is realized by manually changing the opening degree of the valve clack in the prior art, the regulation precision is poor, the regulation efficiency of manual operation is low, and the applicable range is limited.

Description

Low-resistance-coefficient porous check valve capable of realizing self-adaptive flow regulation

Technical Field

The utility model relates to the technical field of check valves, in particular to a low-resistance coefficient porous check valve capable of realizing self-adaptive flow regulation.

Background

The check valve is a valve which only allows medium to flow in one direction and prevents the medium from flowing in the opposite direction, the valve flap is opened under the action of fluid pressure flowing in one direction, and when the fluid flows in the opposite direction, the valve flap acts on the valve seat by the cooperation of the reverse fluid pressure and the self weight of the valve flap, so that the fluid flow is blocked.

The check valve of adjustable flow among the prior art usually needs to change the degree of opening of valve clack through artifical manual to realize the flow control function, not only adjust the precision relatively poor, manual operation's regulation inefficiency moreover, applicable scope is limited.

Disclosure of Invention

In order to overcome the defects in the prior art, the low-resistance coefficient porous check valve capable of realizing self-adaptive flow regulation is provided so as to solve the problems that in the prior art, the opening degree of the valve clack is manually changed, so that the flow regulation function is realized, the regulation precision is poor, the regulation efficiency of manual operation is low, and the applicable range is limited.

To achieve the above object, there is provided a low-resistance coefficient porous check valve capable of adaptive flow regulation, comprising:

the valve body is arranged on the water conveying pipeline, and a mounting hole is formed in the valve body;

the valve core is arranged in the mounting hole and comprises a valve core main body, a valve core valve clack, a second sealing ring and a spring, the valve core valve clack faces the water inlet direction, and the second sealing ring is arranged at the joint of the valve core main body and the valve core valve clack;

the first sealing rings are arranged on the front side surface and the rear side surface of the valve body, and the first sealing rings are positioned at the connecting part of the valve body and the water pipeline.

Furthermore, the valve body is flat cylindrical, a plurality of uniformly distributed mounting holes are formed in the valve body, and the mounting holes are communicated with the front side and the rear side of the valve body.

Furthermore, the number of the valve cores is the same as that of the installation holes, the aperture of the front side of each installation hole is smaller than that of the rear side of each installation hole, and the valve body in each installation hole forms a limiting step.

Furthermore, the valve core main body comprises a top ring, a support and a base, the top ring is connected with the base through the support, and the support is connected with trisection positions of the outer side surface of the base.

Furthermore, the top ring is abutted against the limiting step, the second sealing ring is fixed on the inner side face of the top ring, and the valve core main body is matched with the valve core clack for use.

Furthermore, the upper half part of the base is in a circular tube shape, the lower half part of the base is in an inverted circular truncated cone shape, and a movable rod is inserted in the center of a bottom plate of the base.

Furthermore, the upper end of the movable rod is connected with the valve core valve clack, the lower end of the movable rod penetrates through the base, and the length of the movable rod is greater than that of the valve core main body.

Furthermore, a spring is sleeved on the movable rod between the base and the valve core valve clack, and two ends of the spring are respectively connected with the base and the valve core valve clack.

The low-resistance coefficient porous check valve capable of realizing self-adaptive flow regulation has the advantages that the low-resistance coefficient porous check valve capable of realizing self-adaptive flow regulation is composed of a valve body, a plurality of valve cores and a first sealing ring, the water resistance coefficient is low, the self-adaptive flow regulation can be realized according to actual pressure and flow requirements, the initial tension of a spring of each valve core is different, the ultimate stress is the same, the number of the opened valve cores is increased progressively according to the increasing of the actual flow requirements, the self-adaptive flow regulation effect according to actual water flow is realized, manual operation regulation is replaced, the application range of the valve is expanded, a second sealing ring is arranged on each valve core, a conventional sealing rubber pad is not required to be arranged during installation, the early installation is simple, and the later maintenance is convenient.

Drawings

FIG. 1 is a schematic sectional elevation view of an embodiment of the present invention;

FIG. 2 is an exploded schematic view of an embodiment of the present invention;

fig. 3 is a schematic partial cross-sectional view of a valve cartridge according to an embodiment of the utility model.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a valve body; 2. a valve core; 3. a first seal ring; 11. a limiting step; 12. mounting holes; 21. a valve core main body; 22. a valve core valve clack; 23. a second seal ring; 24. a spring; 211. a top ring; 212. a support; 213. a base; 214. a movable rod.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a low-resistance coefficient porous check valve capable of performing adaptive flow regulation, including: valve body 1, case 2 and first sealing washer 3.

Specifically, the valve body 1 is arranged on a water pipeline, and the valve body 1 is provided with a mounting hole 12;

the valve core 2 is arranged in the mounting hole 12, the valve core 2 comprises a valve core main body 21, a valve core valve clack 22, a second sealing ring 23 and a spring 24, the valve core valve clack 22 faces the water supply direction, and the second sealing ring 23 is arranged at the joint of the valve core main body 21 and the valve core valve clack 22;

the first sealing ring 3 is arranged on the front side surface and the rear side surface of the valve body 1, and the first sealing ring 3 is positioned at the joint of the valve body 1 and the water pipeline.

When the low-resistance coefficient porous check valve capable of realizing self-adaptive flow regulation is used, the valve body 1 is arranged between water pipelines, the first sealing ring 3 on the valve body 1 is used for sealing between the valve body 1 and the water pipelines, a water pump is started, under the pressure action of the pump outlet, the spring 24 is compressed to drive the valve core valve clack 22, the valve core valve clack 22 is separated from the second sealing ring 23, water flows through, when the water pump stops working, the valve core valve clack 22 is reset under the action of the spring 24, the sealing effect is achieved under the action of the second sealing ring 23, the purpose of preventing water from flowing back is achieved, the valve core 2 is installed in the installation hole 12 from the water outlet direction, the limiting step 11 is arranged in the installation hole 12, when the water pump stopped, guarantee to realize the spacing of case 2 under the water hammer effect, when the water pump starts to carry out normal water supply, realize reverse spacing under the supporting buckle effect of valve body 1 and case 2.

In the present embodiment, as shown in fig. 1 and fig. 2, the valve body 1 is in a flat cylindrical shape, a plurality of mounting holes 12 are uniformly distributed on the valve body 1, the mounting holes 12 communicate with the front and rear sides of the valve body 1, the fluid passes through the mounting holes 12 and flows to the other side of the valve body 1, and the flowing direction of the fluid is as shown in fig. 1, so that the valve body 1 is prevented from being installed reversely.

In the present embodiment, as shown in fig. 1 and fig. 2, the number of the valve core 2 and the mounting holes 12 is the same, the hole diameter of the front side of the mounting hole 12 is smaller than the hole diameter of the rear side of the mounting hole 12, the valve body 1 in the mounting hole 12 forms the limit step 11, the valve core 2 is used for controlling the conduction of the mounting hole 12, and the larger the number of the conduction mounting holes 12 is, the larger the flow rate is.

In this embodiment, as shown in fig. 2 and 3, the valve core main body 21 includes a top ring 211, a bracket 212, and a base 213, the top ring 211 is connected to the base 213 through the bracket 212, the bracket 212 is connected to the trisection of the outer side surface of the base 213, the radii of the top ring 211, the bracket 212, and the base 213 decrease in sequence, the edge of the top ring 211 is connected to the inner wall of the mounting hole 12, and a gap is left between the edges of the bracket 212 and the base 213 and the inner wall of the mounting hole 12, so as to facilitate the passage of fluid.

In this embodiment, the top ring 211 abuts against the limit step 11, the second sealing ring 23 is fixed on the inner side surface of the top ring 211, the valve core main body 21 cooperates with the valve core valve flap 22, when the fluid flows in the reverse direction, the fluid acts on the valve core 2, and the limit step 11 blocks the valve core 2 from moving forward.

In this embodiment, the upper half portion of the base 213 is in a circular tube shape, the lower half portion of the base 213 is in an inverted circular truncated cone shape, the movable rod 214 is inserted into the center of the bottom plate of the base 213, when fluid flows in the reverse direction, the fluid flows to the valve core flap 22 from a gap between the edge of the base 213 and the inner wall of the installation hole 12, and the valve core flap 22 is pressed against the top ring 211 under the action of the elastic force of the spring 24 and the pressure of the fluid, so as to prevent the fluid from flowing in the reverse direction through the installation hole 12.

In the present embodiment, as shown in fig. 1 and 3, the upper end of the movable rod 214 is connected to the valve body flap 22, the lower end of the movable rod 214 penetrates the base 213, the length of the movable rod 214 is longer than the length of the valve body 21, and the movable rod 214 penetrates the base 213 at all times when the valve body flap 22 is opened and closed, thereby providing a guide positioning function and preventing the valve body flap 22 from being displaced.

In this embodiment, as shown in fig. 1 and 3, a spring 24 is sleeved on the movable rod 214 between the base 213 and the valve core flap 22, two ends of the spring 24 are respectively connected to the base 213 and the valve core flap 22, fluid pressure acts on the valve core flap 22, the valve core flap 22 compresses the spring 24, the length of the movable rod 214 extending out of the base 213 is increased, the valve core flap 22 and the top ring 211 are separated from each other, and at this time, fluid passes through the top ring 211 and passes through the mounting hole 12 from the gap.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A low-resistivity, porous check valve with adaptive flow regulation, comprising:

the water supply valve comprises a valve body (1) and a water pipe, wherein the valve body (1) is arranged on the water pipe and is provided with a mounting hole (12);

the valve core (2) is arranged in the mounting hole (12), the valve core (2) comprises a valve core main body (21), a valve core valve clack (22), a second sealing ring (23) and a spring (24), the valve core valve clack (22) faces the incoming water direction, and the second sealing ring (23) is arranged at the joint of the valve core main body (21) and the valve core valve clack (22);

the first sealing ring (3) is arranged on the front side surface and the rear side surface of the valve body (1), and the first sealing ring (3) is positioned at the joint of the valve body (1) and the water pipeline.

2. The low-resistance coefficient porous check valve capable of realizing self-adaptive flow regulation according to claim 1, characterized in that the valve body (1) is in a flat cylinder shape, a plurality of uniformly distributed mounting holes (12) are formed in the valve body (1), and the mounting holes (12) are communicated with the front side and the rear side of the valve body (1).

3. The low-resistivity multi-hole check valve capable of realizing the adaptive flow regulation according to claim 1, wherein the valve core (2) and the mounting holes (12) are the same in number, the hole diameter of the front side of the mounting holes (12) is smaller than that of the rear side of the mounting holes (12), and the valve body (1) in the mounting holes (12) forms a limiting step (11).

4. The low-resistivity porous check valve capable of realizing the adaptive flow regulation according to claim 1, wherein the valve core main body (21) comprises a top ring (211), a bracket (212) and a base (213), the top ring (211) is connected with the base (213) through the bracket (212), and the bracket (212) is connected with the trisection of the outer side surface of the base (213).

5. The low-resistance coefficient porous check valve capable of realizing self-adaptive flow regulation according to claim 4, characterized in that the top ring (211) is abutted with the limit step (11), the second sealing ring (23) is fixed on the inner side surface of the top ring (211), and the valve core main body (21) is matched with the valve core valve flap (22) for use.

6. The low-resistance coefficient porous check valve capable of realizing self-adaptive flow regulation according to claim 4, wherein the upper half part of the base (213) is in a shape of a circular tube, the lower half part of the base (213) is in a shape of an inverted circular truncated cone, and a movable rod (214) is inserted in the center of a bottom plate of the base (213).

7. The porous check valve with low resistivity capable of realizing the adaptive flow regulation according to claim 6, characterized in that the upper end of the movable rod (214) is connected with the valve core flap (22), the lower end of the movable rod (214) penetrates through the base (213), and the length of the movable rod (214) is larger than that of the valve core main body (21).

8. The low-resistivity porous check valve capable of realizing the adaptive flow regulation according to claim 7, wherein a spring (24) is sleeved on the movable rod (214) between the base (213) and the valve core flap (22), and two ends of the spring (24) are respectively connected with the base (213) and the valve core flap (22).