CN220792169U

CN220792169U - Novel noise elimination check valve

Info

Publication number: CN220792169U
Application number: CN202322357993.5U
Authority: CN
Inventors: 米文柱; 米文足; 王锁熊; 王月鹏; 王晓晨
Original assignee: Zhongshi Xiangrong Valve Manufacturing Co ltd
Current assignee: Zhongshi Xiangrong Valve Manufacturing Co ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-04-16
Anticipated expiration: 2033-08-31

Abstract

The utility model discloses a novel silencing check valve, which comprises a valve body, wherein valve caps are fixedly connected to two sides of the valve body, large bolt nuts are symmetrically distributed on the surface of the valve caps, fixed columns are fixedly connected to the side surfaces of the valve body, double-layer sealing covers are fixedly connected to the surfaces of the fixed columns, valve cores are slidably connected to the interiors of the fixed columns, springs are arranged on the surfaces of the valve cores, valve seats are fixedly connected to one ends, far away from the double-layer sealing covers, of the valve cores, and valve clacks are fixedly connected to two sides of the valve seats; the limiting column, the inside of limiting column is provided with spacing chamber, the fixed surface in spacing chamber is connected with the fixed block, the lower fixed surface of fixed block is connected with the bearing, the one end fixedly connected with bearing spring that the bearing is close to the fixed block, the one end fixedly connected with that the bearing kept away from the fixed block stretches the piece. Through the structure, not only can the effect of stopping and controlling the quantity be achieved, but also certain noise elimination and sealing performance can be achieved.

Description

Novel noise elimination check valve

Technical Field

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

Background

The existing silencing check valve is a valve which automatically opens and closes a valve clack by means of medium flowing and is used for preventing medium from flowing backwards, and is also called a check valve, a one-way valve, a silencing check valve counter-flow valve and a back pressure valve. The check valve is an automatic valve and has the main functions of preventing medium from flowing backwards, preventing the pump and the driving motor from turning over and discharging the medium in the container. However, the check valve is loud in operation, and the existing silencing check valve only considers the silencing effect and sealing effect of the interior, as disclosed in Chinese patent, the application number of the check valve is as follows: CN202223072636.6, which can improve the internal silencing effect of the check valve by the sound insulation pad and the silencer plate, has a sealing effect in the check valve enhanced by the sealed stretching elastic rod, which brings convenience to the user's work, but does not consider from the medium itself to achieve the effect of stopping the control amount.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides a novel silencing check valve which is provided with a flow limiting device and can control the flow quantity of a medium according to the requirement so as to achieve the effect of stopping and controlling the quantity.

The utility model also provides a novel silencing check valve, comprising: the valve body is fixedly connected with valve caps at two sides of the valve body, big bolt nuts are symmetrically arranged on the surfaces of the valve caps, fixed columns are fixedly connected to the side surfaces of the valve body, double-layer sealing covers are fixedly connected to the surfaces of the fixed columns, valve cores are slidably connected to the inside of the fixed columns, springs are arranged on the surfaces of the valve cores, valve seats are fixedly connected to one ends, far away from the double-layer sealing covers, of the valve cores, and valve clacks are fixedly connected to two sides of the valve seats; the limiting column, the inside of limiting column is provided with spacing chamber, the fixed surface in spacing chamber is connected with the fixed block, the lower fixed surface of fixed block is connected with the bearing, the one end fixedly connected with bearing spring that the bearing is close to the fixed block, the one end fixedly connected with that the bearing kept away from the fixed block stretches the piece. Through the structure, not only can the effect of stopping and controlling the quantity be achieved, but also certain noise elimination and sealing performance can be achieved.

According to the novel silencing check valve, the fixed column is positioned in the middle of the valve cover in the valve body, and the cavity for fixedly placing the valve core is formed in the fixed column, so that the valve core and the valve clack can achieve good movement.

According to the novel silencing check valve, the small bolts and the nuts are symmetrically arranged on the surface of the double-layer sealing cover, and the silencing blocks are fixedly connected in the cavities of the fixing columns, so that a certain silencing effect is guaranteed.

According to the novel silencing check valve, the silencing block is located between the fixed column and the valve core, so that the valve body can be contained in the whole in the largest range.

According to the novel silencing check valve, the valve cavity for medium flow is arranged in the valve body, and the limiting column is located in the valve body, so that medium flow can be controlled better.

According to the novel silencing check valve, the notch for accommodating the stretching block is formed in the fixed block, and the bearing, the bearing spring, the stretching block and the fixed block form the flow limiting device, so that the medium flow speed and the medium flow rate can be well controlled according to requirements.

According to the novel silencing check valve, the limiting columns are internally provided with the plurality of limiting cavities, and the limiting cavities are fixedly connected with the current limiting devices and have the same structure, so that a better control effect can be achieved.

According to the novel silencing check valve, one end of the valve body, which is close to the cyclone device, is a water inlet end, and one end of the valve body, which is far away from the cyclone device, is a water outlet end, so that the novel silencing check valve can be better installed and repaired.

Advantageous effects

Compared with the prior art, the novel silencing check valve is provided with the limiting column, a plurality of limiting cavities are arranged in the limiting column and used for limiting the flow speed, and meanwhile, the limiting cavities are internally provided with the flow limiting device through the bearings, the bearing springs, the stretching blocks and the fixing blocks, so that the effect of stopping and controlling the flow is achieved, and the pressure is reduced.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is an overall block diagram of the novel muffling check valve of the present utility model;

FIG. 2 is a side elevational view of the novel muffling check valve of the present utility model;

fig. 3 is a cross-sectional structural view of the novel noise elimination check valve of the present utility model.

Legend description:

1. a valve body; 2. fixing the column; 3. a double-layer sealing cover; 4. a small bolt and nut; 5. a valve cover; 6. a large bolt and nut; 7. a valve flap; 8. a valve seat; 9. a spring; 10. a sound attenuation block; 11. a valve core; 12. a limit column; 13. a bearing; 14. a bearing spring; 15. a stretching block; 16. a fixed block; 17. and a limiting cavity.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-3, an embodiment of the present utility model is a novel muffling check valve, comprising: the valve body 1 is used for controlling a medium device, valve caps 5 are fixedly connected to two sides of the valve body 1 and are used for connecting devices, large bolt nuts 6 are symmetrically distributed on the surface of the valve caps 5 and are used for connecting the devices, fixed columns 2 are fixedly connected to the side surfaces of the valve body 1 and are used for fixing the devices, the fixed columns 2 are positioned in the middle of the valve caps 5 in the valve body 1, cavities for fixedly placing valve cores 11 are formed in the fixed columns 2 and are used for accommodating the devices, double-layer sealing covers 3 are fixedly connected to the surfaces of the fixed columns 2 and are used for sealing the devices, small bolt nuts 4 are symmetrically distributed on the surfaces of the double-layer sealing covers 3 and are used for connecting the devices, silencing blocks 10 are fixedly connected to the cavities of the fixed columns 2 and are used for silencing the devices, the silencing blocks 10 are positioned between the fixed columns 2 and the valve cores 11, the inner parts of the fixed columns 2 are slidably connected with the valve cores 11 and are used for controlling the movement direction of valve seats 8 and are of telescopic structures, springs 9 are arranged at one ends, close to the surfaces of the valve cores 11, which are used for being far away from the double-layer sealing covers 3, valve seats 8 are fixedly connected to the valve seats 8 and are used for connecting the valve seats 7, and are fixedly connected to the two sides of the valve seats 8 and are used for blocking medium flow devices;

the limiting column 12 is used for limiting devices, a valve cavity for medium flow is formed in the valve body 1, the limiting column 12 is located in the valve body 1, a limiting cavity 17 is formed in the limiting column 12 and used for medium flow, a plurality of limiting cavities 17 are formed in the limiting column 12, the limiting cavities 17 are fixedly connected with flow limiting devices and are identical in structure, a fixing block 16 is fixedly connected to the surface of the limiting cavity 17 and used for fixing devices, a bearing 13 is fixedly connected to the lower surface of the fixing block 16 and used for controlling a bearing spring, a bearing spring 14 is fixedly connected to one end, close to the fixing block 16, of the bearing 13, used for stretching the telescopic device, a notch for accommodating the stretching block 15 is formed in the fixing block 16, the bearing 13, the bearing spring 14, the stretching block 15 and the fixing block 16 form a flow limiting device, one end, close to the rotational flow device, of the valve body 1 is a water inlet end, and one end, far away from the rotational flow device, of the valve body 1 is a water outlet end.

Working principle: firstly, a medium enters through one end close to the flow limiting device, the flow limiting device can drive a stretching block 15 to move up and down to open a channel through a bearing spring 14 in the device, one or more limiting cavity 17 channels can be opened as required, the effect of stopping and controlling the quantity is achieved, then the valve clack 7 and the valve seat 8 are driven by the action of the medium force, the valve core 11 is driven by the spring 9 to move up and down, then the valve seat 8 and the valve clack 7 are opened upwards under the action of the medium force to enable the medium to flow, then the valve seat 8 and the valve clack 7 are in a static state and block the channel in the inner cavity of the valve body 1 due to the gravity of the valve clack 9 and the action of the medium reverse force, so that the aim of preventing the medium from flowing back is achieved, meanwhile, the valve body 11 is further provided with a double-layer sealing cover 3, the tightness of the double-layer sealing cover is guaranteed, and then the silencing block 10 is fixedly connected in the fixing column 2, and the silencing effect is improved.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A novel muffling check valve, comprising: the valve comprises a valve body (1), wherein valve caps (5) are fixedly connected to two sides of the valve body (1), large bolt nuts (6) are symmetrically arranged on the surface of the valve caps (5), fixing columns (2) are fixedly connected to the side surfaces of the valve body (1), double-layer sealing covers (3) are fixedly connected to the surfaces of the fixing columns (2), valve cores (11) are slidably connected to the interiors of the fixing columns (2), springs (9) are arranged on the surfaces of the valve cores (11), valve seats (8) are fixedly connected to one ends, far away from the double-layer sealing covers (3), of the valve cores (11), and valve clacks (7) are fixedly connected to two sides of the valve seats (8);

spacing post (12), the inside of spacing post (12) is provided with spacing chamber (17), the fixed surface of spacing chamber (17) is connected with fixed block (16), the lower surface fixedly connected with bearing (13) of fixed block (16), the one end fixedly connected with bearing spring (14) that bearing (13) are close to fixed block (16), the one end fixedly connected with that fixed block (16) was kept away from to bearing (13) stretches and draws piece (15).

2. The novel silencing check valve as claimed in claim 1, wherein the fixed column (2) is located in the middle of the valve cover (5) in the valve body (1), and a cavity for fixedly placing the valve core (11) is formed in the fixed column (2).

3. The novel silencing check valve according to claim 1, wherein small bolt nuts (4) are symmetrically arranged on the surface of the double-layer sealing cover (3), and silencing blocks (10) are fixedly connected in the cavities of the fixing columns (2).

4. A novel silencing check valve as claimed in claim 3, wherein the silencing block (10) is located between the fixed post (2) and the valve core (11).

5. The novel silencing check valve as claimed in claim 1, wherein a valve cavity for medium flow is arranged in the valve body (1), and the limiting column (12) is located inside the valve body (1).

6. The novel silencing check valve as claimed in claim 1, wherein a notch for accommodating the stretching block (15) is formed in the fixed block (16), and the bearing (13), the bearing spring (14), the stretching block (15) and the fixed block (16) form a flow limiting device.

7. The novel silencing check valve according to claim 1, wherein a plurality of limiting cavities (17) are formed in the limiting column (12), and the limiting cavities (17) are fixedly connected with flow limiting devices and have the same structure.

8. The novel silencing check valve as claimed in claim 1, wherein the end of the valve body (1) close to the cyclone device is a water inlet end, and the end of the valve body (1) far away from the cyclone device is a water outlet end.