CN220102198U

CN220102198U - Choke valve

Info

Publication number: CN220102198U
Application number: CN202320894399.7U
Authority: CN
Inventors: 周如景
Original assignee: Zhongshan Willpower Motor & Electric Appliance Co ltd
Current assignee: Zhongshan Willpower Motor & Electric Appliance Co ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-11-28
Anticipated expiration: 2033-04-20

Abstract

The utility model discloses a choke valve which comprises a valve seat and a valve cover which is in adaptive sealing connection with the valve seat, wherein a water outlet port is arranged on the valve seat, a water inlet port is arranged on the valve cover, a water-proof sleeve is arranged in the valve cover, a pressing plate is arranged between the water-proof sleeve and the valve seat, an air cavity communicated with the atmosphere is arranged in the water-proof sleeve, a side hole communicated with the water inlet port is arranged on the pressing plate, and a water channel communicated with the water outlet port is provided with a flow control assembly for sensing water pressure at the side hole to regulate water flow. The utility model is used for adjusting the water yield according to the water pressure change, avoiding the phenomenon of pressure holding, so that the water pressure can be maintained within a set value range, and the utility model is not easy to be blocked by impurities.

Description

Choke valve

Technical Field

The utility model relates to the technical field of fluid conveying, in particular to a choke valve.

Background

In the current water dispenser, the choke valve is a common fluid component, the front end is supplied with water through a water pump, the current common choke valve is single in function, micropores are generally formed to have the function of water passing, and due to the micropores, the flow is limited, the phenomenon of pressure holding is easy to occur, the water pressure rises, the water pressure cannot be maintained within a set value range, and meanwhile, the micropores are also easy to be blocked by impurities.

Disclosure of Invention

The utility model aims to provide a choke valve which is used for adjusting water yield according to water pressure change, avoiding the phenomenon of pressure holding, enabling the water pressure to be maintained within a set value range, and being not easy to be blocked by impurities.

In order to solve the technical problems, the utility model adopts the following scheme:

the utility model provides a choke valve, includes disk seat and the valve gap with disk seat adaptation sealing connection, be equipped with the outlet port on the disk seat, be equipped with the inlet port on the valve gap, the inside waterproof sleeve that is equipped with of valve gap is equipped with the clamp plate between waterproof sleeve and the disk seat, is equipped with the air cavity with the atmosphere switch-on in the waterproof sleeve, is equipped with the side opening with the inlet port switch-on the clamp plate, be equipped with on the water route of side opening and outlet port switch-on and feel side opening department water pressure and adjust the accuse flow subassembly of water flow.

By adopting the technical scheme, be equipped with the interface of intaking on the valve gap, be equipped with the interface of going out on the disk seat, the interface of going out is in normally open state, be equipped with the water jacket pipe at valve gap internally mounted, the inside air cavity that has with the atmosphere switch-on that has of water jacket pipe, the clamp plate compresses tightly the water jacket pipe between clamp plate and valve gap inner wall, the side opening on the clamp plate is switched on with the interface of intaking, the water pressure of intaking the interface is the same with the water pressure of side opening department, install the accuse flow subassembly on the water route between side opening and the interface of going out, the water pressure of accuse flow subassembly impression side opening department is the water pressure, the water yield is more for the greater the water yield of water outlet interface department, otherwise, the water yield of water outlet department is less, can avoid the choke valve department to produce the phenomenon of holding down like this for the water pressure can be in a set value scope.

Optionally, the accuse flows the subassembly and includes the flow blocking pole, pressure sensitive plate and reset spring, the flow blocking pole is located the pressure sensitive plate below and constitutes T shape structure, the flow blocking pole middle part is equipped with the air current way that is put through simultaneously with air cavity, play water interface, pressure sensitive plate and air cavity inner wall sliding connection, reset spring one end acts on the air cavity roof, the other end effect is with pressure sensitive plate top surface, the flow blocking pole side is equipped with first water tank, the second water tank that crosses, first water tank and second water tank set up relatively, the second water tank is located first water tank below, first water tank, second water tank and disk seat inner wall clearance increase gradually along flow blocking pole axis direction, the flow blocking pole constitutes the accuse flows the subassembly of adjusting out water flow under the combined action of air cavity internal air pressure, reset spring and side opening department water pressure.

Optionally, the first sealing ring is embedded in the circumferential direction of the pressure sensing plate, and the first sealing ring is tightly pressed between the pressure sensing plate and the inner wall of the air cavity.

Optionally, the back-up sleeve is equipped with in the back-up sleeve outside, compresses tightly the sealing between back-up sleeve and the clamp plate and has the second sealing washer.

Optionally, the circumference cover in disk seat top is equipped with the third sealing washer, and the third sealing washer compresses tightly between clamp plate, valve gap, disk seat three.

Optionally, a lateral flow communicated with the side hole is formed between the waterproof sleeve and the inner side wall of the valve cover.

Optionally, a water passing hole for connecting a water path between the side flow channel and the water inlet interface is formed in the inner wall of the valve cover.

The utility model has the beneficial effects that:

1. in the utility model, the water path between the side hole and the water outlet port is provided with the flow control assembly, the flow control assembly senses the water pressure at the side hole, the water pressure is higher at the water outlet port, and the water quantity at the water outlet port is lower, so that the phenomenon of pressure holding at the choke valve can be avoided, and the water pressure can be within a set value range.

2. The pressure sensing plate can drive the choke rod to move up and down under the action of the water pressure at the side hole, so that impurities in the choke valve can be brought out, and the phenomenon of blockage is avoided.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Reference numerals: 01-valve seat, 02-water outlet interface, 03-supporting sleeve, 04-choke rod, 05-first water passing groove, 06-second sealing ring, 07-third sealing ring, 08-pressing plate, 09-first sealing ring, 10-reset spring, 11-water isolating sleeve, 12-valve cover, 13-water inlet interface, 14-water passing hole, 15-air cavity, 16-side runner, 17-side hole, 18-air runner, 19-second water passing groove and 20-pressure sensing plate.

Detailed Description

The present utility model will be described in further detail with reference to examples and drawings, but embodiments of the present utility model are not limited thereto.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "configured," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

The utility model provides a choke valve, includes disk seat 01 and the valve gap 12 with disk seat 01 adaptation sealing connection, be equipped with outlet port 02 on the disk seat 01, be equipped with inlet port 13 on the valve gap 12, the inside waterproof sleeve 11 that is equipped with of valve gap 12 is equipped with clamp plate 08 between waterproof sleeve 11 and the disk seat 01, is equipped with the air cavity 15 with the atmosphere switch-on in the waterproof sleeve 11, is equipped with the side opening 17 with inlet port 13 switch-on clamp plate 08, be equipped with the accuse flow subassembly of feeling side opening 17 department water pressure and adjusting the play water flow on the water route that side opening 17 and outlet port 02 switch-on.

In this embodiment, as shown in fig. 1, a valve cover 12 in an adaptive sealing and clamping manner is located above a valve seat 01 between the valve cover 12 and the valve seat 01, a water inlet port 13 is arranged at the top end of the valve cover 12, a water outlet port 02 is arranged at the bottom end of the valve seat 01, the water outlet port 02 is in a normally open state, a water-stop sleeve is installed inside the valve cover 12, an air cavity 15 communicated with the atmosphere is arranged inside the water-stop sleeve, a pressure plate 08 compresses the water-stop sleeve 11 between the pressure plate 08 and the inner wall of the valve cover 12, a side hole 17 on the pressure plate 08 is communicated with the water inlet port 13, the water pressure of the water inlet port 13 is the same as the water pressure of the side hole 17, a water flow control assembly is installed on a waterway between the side hole 17 and the water outlet port 02, the water flow control assembly senses the water pressure of the side hole 17, the water pressure is larger the water outlet port 02, and conversely the water quantity of the water outlet port 02 is smaller, so that the phenomenon of blocking the water pressure is pressed by the choke valve can be avoided, and the water pressure can be in a set value.

Optionally, the flow control assembly includes the flow blocking pole 04, pressure sensitive plate 20 and reset spring 10, flow blocking pole 04 is located pressure sensitive plate 20 below and constitutes T shape structure, flow blocking pole 04 middle part is equipped with the air current way 18 that is put through simultaneously with air cavity 15, water outlet port 02, pressure sensitive plate 20 and air cavity 15 inner wall sliding connection, reset spring 10 one end acts on the air cavity 15 roof, the other end effect is with pressure sensitive plate 20 top surface, flow blocking pole 04 side is equipped with first water tank 05, second water tank 19, first water tank 05 and second water tank 19 are crossed relatively to set up, second water tank 19 is located first water tank 05 below, first water tank 05 of crossing along flow blocking pole 04 axis direction, second water tank 19 is crossed the clearance and is increased gradually with disk seat 01 inner wall, flow blocking pole 04 constitutes the flow control assembly of regulation water flow under air pressure in air cavity 15, side opening 10 and 17 department water pressure combined action.

The concrete working principle of the flow control assembly in the scheme is as follows: the pressure sensing plate 20 and the choke pole 04 are integrally formed in a T shape, the pressure sensing plate 20 is positioned in the air cavity 15, the pressure sensing plate 20 is of a U-shaped structure, one end of the return spring 10 acts on the top wall of the waterproof sleeve 11, the other end acts on the U-shaped bottom of the return spring 10, the offset generated in the reciprocating process of the return spring 10 can be avoided, the pressure sensing plate 20 is slidably connected with the inner wall of the air cavity 15, the air cavity 15 is communicated with the external atmosphere through the air channel 18, the choke pole 04 extends towards the water outlet 02, the side wall of the choke pole 04 is provided with a first water passing groove 05 and a second water passing groove 19, the second water passing groove 19 is positioned below the first water passing groove 05, the flow passage area of the two water passing grooves is increased from top to bottom, source water enters the side hole 17 through the water inlet interface 13, when the bottom surface of the pressure sensing plate 20 senses the water pressure at the side hole 17, the water pressure in the air cavity 15 is overcome the elasticity of the return spring 10, the pressure sensing plate 20 is jacked upwards, the reset spring 10 is compressed, the pressure sensing plate 20 drives the choke rod 04 to move upwards (in the direction of the water inlet interface 13), until the upper end of the first water passing groove 05 is communicated with the side hole 17, source water at the side hole 17 flows from the first water passing groove 05 to the water outlet interface 02, the phenomenon of pressure holding at the side hole 17 is avoided, if the water pressure at the water inlet interface 13 is larger, the water pressure at the side hole 17 is also larger, the upward moving distance of the pressure sensing plate 20 is larger, the upward moving distance of the choke rod 04 is driven to be larger, the second water passing groove 19 is communicated with the side hole 17, the water outlet flow is larger, the phenomenon of pressure holding is not easy to occur at the side hole 17, the water pressure is in a set value range, and when the elastic force of the reset spring 10 and the air pressure in the air cavity 15 cannot be overcome after the pressure of the side hole 17 is reduced, the pressure sensing plate 20 moves downwards and gradually returns to the original position. Meanwhile, in the process that the pressure sensing plate 20 drives the choke rod 04 to move up and down, impurities in the choke valve can be extruded and carried out, the phenomenon of blockage is avoided, and normal operation of the choke valve is ensured.

Further, a first sealing ring 09 is circumferentially embedded in the pressure sensing plate 20, and the first sealing ring 09 is tightly pressed between the pressure sensing plate 20 and the inner wall of the air cavity 15. Specifically, in order to avoid that the source water at the side hole 17 enters the air cavity 15 and flows out of the air flow channel 18, an annular groove is formed in the circumferential direction of the pressure sensing plate 20, a first sealing ring 09 is clamped in the annular groove, and the first sealing ring 09 can effectively seal an installation gap between the side wall of the pressure sensing plate 20 and the inner wall of the air cavity 15, so that water leakage is avoided.

Further, a supporting sleeve 03 is arranged on the outer side of the choke rod 04, and a second sealing ring 06 is tightly pressed and sealed between the supporting sleeve 03 and the pressing plate 08. Specifically, in order to avoid that the source water at the side hole 17 starts to flow out from the installation gap to the water outlet 02 when the flow blocking rod 04 does not move upwards, a supporting sleeve 03 is arranged at the outer side of the flow blocking rod 04, a gap is formed between the inner wall of the supporting sleeve 03 and the side wall of the flow blocking rod 04, a second sealing ring 06 is tightly pressed between the pressing plate 08 and the top end of the supporting sleeve 03, and the second sealing ring 06 is tightly contacted with the side wall of the upper end (the part where the first water passing groove 05 is not arranged) of the flow blocking rod 04, so that a sealing effect is achieved.

Further, a third sealing ring 07 is circumferentially sleeved at the top end of the valve seat 01, and the third sealing ring 07 is tightly pressed among the pressing plate 08, the valve cover 12 and the valve seat 01. Specifically, in order to enhance the tightness of the joint between the valve cover 12 and the valve seat 01, a notch is formed in the outer circumferential surface of the top end of the valve seat 01, a third sealing ring 07 is sleeved in the notch, the third sealing ring 07 is limited among the valve cover 12, the pressing plate 08 and the valve seat 01, and the water leakage phenomenon at the joint between the valve cover 12 and the valve seat 01 is avoided.

Further, a side flow 16 communicated with the side hole 17 is formed between the waterproof sleeve 11 and the inner side wall of the valve cover 12.

Further, the inner wall of the valve cover 12 is provided with a water passing hole 14 for connecting a water path between the side flow channel 16 and the water inlet interface 13.

The foregoing description of the preferred embodiment of the utility model is not intended to limit the utility model in any way, but rather to cover all modifications, equivalents, improvements and alternatives falling within the spirit and principles of the utility model.

Claims

1. The choke valve comprises a valve seat (01) and a valve cover (12) which is in adaptive sealing connection with the valve seat (01), and is characterized in that a water outlet port (02) is arranged on the valve seat (01), a water inlet port (13) is arranged on the valve cover (12), a waterproof sleeve (11) is arranged in the valve cover (12), a pressing plate (08) is arranged between the waterproof sleeve (11) and the valve seat (01), an air cavity (15) communicated with the atmosphere is arranged in the waterproof sleeve (11), a side hole (17) communicated with the water inlet port (13) is arranged on the pressing plate (08), and a water path communicated with the water outlet port (02) is provided with a flow control assembly for sensing water pressure at the side hole (17) so as to regulate water outlet flow;

the flow control assembly comprises a flow blocking rod (04), a pressure sensing plate (20) and a return spring (10), wherein the flow blocking rod (04) is located below the pressure sensing plate (20) and forms a T-shaped structure, an air flow channel (18) which is communicated with an air cavity (15) and a water outlet interface (02) simultaneously is arranged in the middle of the flow blocking rod (04), the pressure sensing plate (20) is slidably connected with the inner wall of the air cavity (15), one end of the return spring (10) acts on the top wall of the air cavity (15), the other end acts on the top surface of the pressure sensing plate (20), a first water passing channel (05) and a second water passing channel (19) are arranged on the side surface of the flow blocking rod (04), the first water passing channel (05) and the second water passing channel (19) are oppositely arranged, the gap between the first water passing channel (05), the second water passing channel (19) and the inner wall of a valve seat (01) is gradually increased along the axial direction of the flow blocking rod (04), and the air pressure in the air cavity (15), and the return spring (10) and the side pressure at the position of the water pressure joint function to form the flow control assembly for adjusting the water outlet flow.

2. A choke valve according to claim 1, characterized in that the pressure sensing plate (20) is circumferentially embedded with a first sealing ring (09), the first sealing ring (09) being pressed between the pressure sensing plate (20) and the inner wall of the air cavity (15).

3. A choke valve according to claim 1, characterized in that the outside of the choke rod (04) is provided with a supporting sleeve (03), and a second sealing ring (06) is tightly sealed between the supporting sleeve (03) and the pressing plate (08).

4. The choke valve according to claim 1, wherein a third sealing ring (07) is circumferentially sleeved at the top end of the valve seat (01), and the third sealing ring (07) is tightly pressed between the pressing plate (08), the valve cover (12) and the valve seat (01).

5. A choke valve according to claim 1, characterized in that a side flow (16) communicating with the side hole (17) is formed between the water-barrier sleeve (11) and the inner side wall of the valve cap (12).

6. A choke valve according to claim 5, characterized in that the inner wall of the valve cover (12) is provided with a water passing hole (14) for passing the water path between the side flow passage (16) and the water inlet port (13).