CN213541419U

CN213541419U - Valve with anti-return function

Info

Publication number: CN213541419U
Application number: CN202022181828.5U
Authority: CN
Inventors: 朱付铭; 赵伟伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-06-25
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses a valve with backflow prevention function relates to valve technical field, which comprises a valve body, the inside fixed surface of valve body is connected with the fixed block, one side fixedly connected with bellows of fixed block, bellows's inside is provided with reset spring, reset spring's one end fixedly connected with baffle, the outer fixed surface of valve body is connected with the connecting pipe, the inner wall fixedly connected with limiting plate of connecting pipe, the spacing groove has been seted up to the bottom of limiting plate one side, one side fixedly connected with spring of limiting plate. The utility model discloses a set up fixed block, flexible hose, reset spring, baffle, connecting pipe, limiting plate, spacing groove, spring, ball sealer, diaphragm and the hole that leaks, normally close tap after, reached the effect that prevents the water reflux, avoided because the water refluence causes water pollution and causes the condition emergence of injury to motor and other equipment, simple structure, convenient operation, the practicality is strong, facilitate promotion.

Description

Valve with anti-return function

Technical Field

The utility model relates to the technical field of valves, specifically be a valve with anti-return function.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow) of a conveying medium, is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, is used for a valve of the fluid control system, is visible everywhere in daily life, and plays a great role in the development of the society.

The valve in the prior art has certain defects, and after the water faucet is normally closed, water can frequently flow back to the water inlet to cause backflow, so that stock solution can be polluted, and the motor and other equipment are easily damaged, so that economic loss is brought to a user.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a valve with anti-return function has solved the current problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides a valve with anti-return function, includes the valve body, the inside fixed surface of valve body is connected with the fixed block, one side fixedly connected with bellows of fixed block, bellows's inside is provided with reset spring, reset spring's one end fixedly connected with baffle, the outer fixed surface of valve body is connected with the connecting pipe, the inner wall fixedly connected with limiting plate of connecting pipe, the spacing groove has been seted up to the bottom of limiting plate one side, one side fixedly connected with spring of limiting plate, the one end fixedly connected with ball sealer of spring, the below of ball sealer is provided with the diaphragm, the hole that leaks has been seted up to the inside of diaphragm.

Furthermore, a sliding groove is formed in the valve body, and the outer surface of the baffle is connected with the inner portion of the sliding groove in a sliding mode.

Furthermore, one end of the return spring is fixedly connected with one side of the fixing block, and one end of the telescopic hose is fixedly connected with one side of the baffle.

Furthermore, the inner part of the limit groove is movably connected with the outer surface of the sealing ball,

the two limiting plates are arranged and are symmetrical about the sealing ball.

Furthermore, the inner wall of the connecting pipe is fixedly connected with the outer surface of the transverse plate,

the water leakage holes are provided in plurality.

(III) advantageous effects

The utility model provides a valve with backflow prevention function possesses following beneficial effect:

this valve with anti-return function through setting up fixed block, flexible hose, reset spring, baffle, connecting pipe, limiting plate, spacing groove, spring, ball sealer, diaphragm and the hole that leaks, after normally closing tap, has reached the effect that prevents the water backward flow, has avoided because the water refluence causes water pollution and causes the condition emergence of injury to motor and other equipment, simple structure, convenient operation, the practicality is strong, facilitate promotion.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic perspective view of the valve body of the present invention;

fig. 3 is a schematic view of the overlooking structure of the transverse plate of the present invention.

In the figure: 1. a valve body; 2. a fixed block; 3. a flexible hose; 4. a return spring; 5. a baffle plate; 6. a connecting pipe; 7. a limiting plate; 8. a limiting groove; 9. a spring; 10. a sealing ball; 11. a transverse plate; 12. a water leakage hole; 13. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, the present invention provides a technical solution:

a valve with a backflow prevention function comprises a valve body 1, a chute 13 is arranged inside the valve body 1, a fixed block 2 is fixedly connected to the inner surface of the valve body 1, an extension hose 3 is fixedly connected to one side of the fixed block 2, one end of the extension hose 3 is fixedly connected to one side of a baffle 5, a return spring 4 is arranged inside the extension hose 3, one end of the return spring 4 is fixedly connected to one side of the fixed block 2, one end of the return spring 4 is fixedly connected to the baffle 5, the outer surface of the baffle 5 is in sliding connection with the inside of the chute 13, a connecting pipe 6 is fixedly connected to the outer surface of the valve body 1, the inner wall of the connecting pipe 6 is fixedly connected to the outer surface of a transverse plate 11, two limiting plates 7 are arranged on the inner wall of the connecting pipe 6, the two limiting plates 7 are symmetrical with respect to, the inside of spacing groove 8 and ball sealer 10's surface swing joint, one side fixedly connected with spring 9 of limiting plate 7, spring 9's one end fixedly connected with ball sealer 10, ball sealer 10's below is provided with diaphragm 11, the hole 12 that leaks has been seted up to diaphragm 11's inside, the hole 12 that leaks is provided with a plurality ofly, a plurality of holes 12 that leak are circumference array distribution, after normally closing tap, the effect of preventing the water backward flow has been reached, avoided because the water refluence causes water pollution and causes the condition emergence of injury to motor and other equipment, moreover, the steam generator is simple in structure, and convenient for operation, therefore, the clothes hanger is strong in practicability, and convenient for popularization.

Theory of operation, this valve with anti-return function, when using the valve, rivers go into the inside of valve body 1, under hydraulic pressure effect, promote baffle 5 and slide in the inside of spout 13, make reset spring 4 produce elasticity, and make rivers go into in the connecting pipe 6, extrude sealed ball 10 through water pressure, and make spring 9 produce elasticity, and form the gap, make rivers to limiting plate 7's below, and flow out connecting pipe 6 through hole 12 that leaks, when water transport finishes, elasticity through reset spring 4, pull back baffle 5, elasticity through spring 9, pull back spacing groove 8 with sealed ball 10, and it is sealed with spacing groove 8 through sealed ball 10, the condition that prevents to appear liquid reflux takes place.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A valve with backflow prevention function comprises a valve body (1) and is characterized in that, a fixed block (2) is fixedly connected to the inner surface of the valve body (1), a flexible hose (3) is fixedly connected to one side of the fixed block (2), a return spring (4) is arranged inside the flexible hose (3), one end of the return spring (4) is fixedly connected with a baffle plate (5), the outer surface of the valve body (1) is fixedly connected with a connecting pipe (6), the inner wall of the connecting pipe (6) is fixedly connected with a limiting plate (7), a limiting groove (8) is arranged at the bottom of one side of the limiting plate (7), a spring (9) is fixedly connected with one side of the limiting plate (7), one end of the spring (9) is fixedly connected with a sealing ball (10), a transverse plate (11) is arranged below the sealing ball (10), and a water leakage hole (12) is formed in the transverse plate (11).

2. The valve with backflow prevention function as claimed in claim 1,

the valve is characterized in that a sliding groove (13) is formed in the valve body (1), and the outer surface of the baffle (5) is in sliding connection with the inside of the sliding groove (13).

3. The valve with backflow prevention function as claimed in claim 1,

one end of the reset spring (4) is fixedly connected with one side of the fixing block (2), and one end of the telescopic hose (3) is fixedly connected with one side of the baffle (5).

4. The valve with backflow prevention function as claimed in claim 1,

the inner part of the limiting groove (8) is movably connected with the outer surface of the sealing ball (10);

the number of the limiting plates (7) is two, and the two limiting plates (7) are symmetrical about the sealing ball (10).

5. The valve with backflow prevention function as claimed in claim 1,

the inner wall of the connecting pipe (6) is fixedly connected with the outer surface of the transverse plate (11);

the water leakage holes (12) are arranged in a plurality, and the water leakage holes (12) are distributed in a circumferential array.