CN218326394U

CN218326394U - Improved fluid one-way valve

Info

Publication number: CN218326394U
Application number: CN202222879919.5U
Authority: CN
Inventors: 杨文彦
Original assignee: Foshan Jingyuan Intelligent Technology Co ltd
Current assignee: Foshan Jingyuan Intelligent Technology Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-01-17
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses an improved generation fluid check valve, be equipped with the valve body of cavity in including, the valve body is equipped with an export, the valve body is equipped with two at least entries, the valve body outside corresponds the entry and is equipped with the installation position with the tube coupling, the cavity corresponds the entrance and is equipped with the support, the entry is equipped with the dead lever, spring and plugging device, the dead lever sets up on the support, plugging device fixes on the dead lever, the cover is worn on the dead lever to the spring, spring one end and plugging device offset, the spring other end and support offset, the elasticity of spring makes plugging device and pipeline offset, the intercommunication of disconnection entry and pipeline, a pipeline internal pressure makes plugging device keep away from the pipeline, the entry, cavity and export form the fluid passage of intercommunication. The improved fluid one-way valve is used in a plurality of intersected fluid passages, one fluid passage can block the communication of other fluid passages after being communicated, the cost is reduced, and the plugging device is installed through a bracket, so that the improved fluid one-way valve can be suitable for the fluid passages with irregular sections, and the application range is expanded.

Description

Improved fluid one-way valve

Technical Field

The utility model relates to an improved generation fluid check valve.

Background

In the existing check valve, a fluid passage is arranged in a valve body, the fluid passage is provided with a spring, a bracket, a pressure plate and other structures, and the unidirectional flow of fluid is controlled by utilizing the pretightening force of the spring and the pressure difference between the front and the back of the pressure plate. The one-way valve can only control the on-off of one fluid passage, so that a plurality of fluid passages need a plurality of one-way valves, the cost is increased, and the one-way valve is suitable for the fluid passages with irregular sections, a cavity with irregular sections cannot be used, and the application range is limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an realize every fluid passage's on-off control's improved generation fluid check valve among many crossing fluid passages.

The purpose of the utility model is realized like this.

Improved generation fluid check valve, which comprises a valve body, be equipped with the cavity in the valve body, the valve body is equipped with an export that communicates with the cavity, the valve body is equipped with two at least entries that communicate with the cavity, the valve body outside corresponds the entry and is equipped with the installation position with the tube coupling, the cavity corresponds the entrance and is equipped with the support, the entry is equipped with the dead lever, spring and plugging device, the dead lever sets up on the support, plugging device fixes on the dead lever, the spring is worn to overlap on the dead lever, spring one end and plugging device offset, the spring other end offsets with the support, the elasticity of spring makes plugging device and pipeline offset, the intercommunication of disconnection entry and pipeline, a pipeline internal pressure makes plugging device keep away from the pipeline, the entry, the cavity forms the fluid passage of intercommunication with the export. The improved fluid one-way valve is used in a plurality of intersected fluid passages, one fluid passage can block the communication of other fluid passages after being communicated, the cost is reduced, and the plugging device is installed through a bracket, so that the improved fluid one-way valve can be suitable for the fluid passages with irregular sections, and the application range is expanded.

The technical scheme can be further perfected as follows.

More specifically, the dead lever is the bolt, is equipped with the through-hole on the support, and through-hole and entry set up with the axle center, and the dead lever takes external screw thread one end to pass the through-hole and extend to the entry, and plugging device and dead lever outband screw thread one end threaded connection, plugging device pass through the dead lever and remove along through-hole axial direction, and the elasticity of spring makes the nut and the support of dead lever offset. The fixing rod is low in manufacturing cost, easy to obtain and convenient to install.

More specifically, plugging device is including wearing first nut, gasket, valve plate, base and the second nut of cover in proper order on dead lever external screw thread one end, and first nut and second nut press from both sides gasket, valve plate and base tightly. The plugging device limits the position of the valve plate on the fixing rod through the first nut, the gasket, the base and the second nut, so that the valve plate drives the fixing rod to move.

More specifically, the valve plate is sleeved on the fixing rod through a spacer bush in a penetrating manner. The compression amount when the spacer bush positions the center of the valve plate and the valve plate is assembled.

More specifically, the pipeline is hermetically arranged on the installation position, the port of the pipeline is communicated with the inlet, the area of the valve plate is larger than that of the port of the pipeline, the elastic force of the spring enables the valve plate to be abutted against the surface where the port of the pipeline is located, and the valve plate has a compression deformation amount which is smaller than or equal to 30% of the thickness of the valve plate. The valve plate can ensure that the communication between the inlet and the pipeline is cut off.

More specifically, the valve body tip corresponds the cavity and is equipped with and opens the mouth, and open the mouth and pass through the shutoff of detachable apron, and the support gets into in the cavity and moves to the entrance through opening, and support top and entrance edge pass through the screw connection fixed. The support is simple and easy to mount.

More specifically, the support is H-shaped, and the through hole is formed in the center of the support, so that the fixing rod, the inlet and the plugging device are coaxially arranged. The support does not affect the flow of fluid in the fluid path.

More specifically, the horizontal position of the plugging device protrudes out of the installation position, and the protruding range of the plugging device is 1-3 mm. After the plugging device is abutted to the pipeline, the sealing is better.

The utility model has the advantages as follows.

(1) The improved fluid one-way valve is used in a plurality of intersected fluid passages, one fluid passage can block the communication of other fluid passages after being communicated, the cost is reduced by reducing the number of the one-way valves, and the plugging device is installed by a bracket, so that the improved fluid one-way valve can be suitable for the fluid passages with irregular sections, and the application range is expanded.

(2) And secondly, the bolt is used as a fixing rod, so that the manufacturing cost is low, the bolt is easy to obtain, and the bolt is convenient to install. The plugging device is easy to install. The plugging device limits the position of the valve plate on the fixing rod through the first nut, the gasket, the base and the second nut, so that the valve plate drives the fixing rod to move.

(3) Furthermore, the valve plate has a size that ensures that the inlet and the conduit are disconnected from each other.

(4) In addition, due to the design of the open port and the cover plate of the valve body, the bracket is simple and easy to mount. The H-shaped stent does not affect fluid flow in the fluid path.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

Fig. 2 is a schematic view of the direction of the inlet 14 of the embodiment.

Fig. 3 isbase:Sub>A schematic view of the cross-sectional structure along the direction A-A in fig. 2.

FIG. 4 is an exploded view of the embodiment.

FIG. 5 is a schematic diagram of the fluid path after installation of the embodiment and the pipeline.

FIG. 6 is a schematic view of the fluid path of the embodiment in communication with the installed pipeline.

FIG. 7 is a schematic view of the embodiment with the fluid path broken away after installation of the tubing.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

First embodiment, referring to fig. 1-7, an improved fluid check valve comprises a valve body 1, a bracket 2, a fixing rod 3, a spring 4 and a blocking device 5. A cavity 10 is arranged in the valve body 1, open openings 11 are formed in the end portions of the two ends of the valve body 1 corresponding to the cavity 10, and the open openings 11 are sealed through a detachable cover plate 12. The rear part of the valve body 1 is provided with an outlet 13 communicated with the cavity 10, the top of the valve body 1 is provided with two inlets 14 communicated with the cavity 10, and the outer side of the top of the valve body 1 is provided with a mounting position 15 connected with the pipeline 6 corresponding to the inlet 14. According to the use requirement, the cover plate 12 can be detached, and the corresponding opening 11 can be used as an outlet 13.

The bracket 2 is H-shaped, the bracket 2 enters the cavity 10 through the open opening 11 and moves to the inlet 14, and the top of the bracket 2 and the edge of the inlet 14 are connected and fixed through screws (not shown in the figure). A bracket 2 is provided in the cavity 10 at each inlet 14. The bracket 2 is provided with a through hole 21 at a central position, the through hole 21 faces the inlet 14, and the through hole 21 and the inlet 14 are coaxially arranged, and the central position is shown in fig. 4. In this embodiment, the cross section of the cavity 10 of the valve body 1 is irregular.

The fixing rod 3 is a bolt, and one end of the fixing rod 3 with external threads passes through the through hole 21 and extends to the inlet 14. The blocking device 5 comprises a first nut 51, a gasket 52, a valve plate 53, a base 54 and a second nut 55 which are sequentially sleeved on one end of the external thread of the fixing rod 3 in a penetrating mode, the first nut 51 and the second nut 55 are respectively in threaded connection with the fixing rod 3 to clamp the gasket 52, the valve plate 53 and the base 54 tightly, and the valve plate 53 is sleeved on the fixing rod in a penetrating mode through a spacer sleeve 56. The spring 4 is sleeved on the fixing rod 3 in a penetrating mode, one end of the spring 4 abuts against the second nut 55, the other end of the spring 4 abuts against the support 2, the nut of the fixing rod 3 abuts against the support 2 through the elastic force of the spring 4, the horizontal position of the blocking device 5 protrudes out of the installation position 15, and preferably, the range of the blocking device 5 protruding out of the installation position 15 is 1-3 mm. The plugging device 5 drives the fixing rod 3 to move along the axial direction of the through hole 21. The fixation rod 3, the access port 14 and the occluding device 5 are coaxially arranged.

When the valve is used, the pipeline 6 is hermetically arranged on the mounting position 15, the port of the pipeline 6 is communicated with the inlet 14, the area of the valve plate 53 is larger than that of the port of the pipeline 6, and the elastic force of the spring 4 enables the valve plate 53 to be abutted against the surface of the port of the pipeline 6, so that the communication between the inlet 14 and the pipeline 6 is disconnected. Preferably, the valve plate 53 has a compression deformation amount less than or equal to 30% of its thickness.

Referring to fig. 5-7, when the pressure of the fluid in one of the pipelines 6 is greater than the sum of the pressure in the cavity 10 and the elastic force of the spring 4 (the pressure of the fluid in the pipeline 6 is also greater than the pressure of the fluid in the other pipeline 6), the corresponding blocking device 5 is pressed down by the fluid, the blocking device 5 and the fixing rod 3 move down and away from the pipeline 6 and compress the spring 4, and the pipeline 6, the inlet 14, the cavity 10 and the outlet 13 form a one-way communication fluid passage. Meanwhile, as the fluid in one pipeline 6 enters the cavity 10, the fluid pushes the plugging devices 5 corresponding to the other pipelines 6 to the ports of the corresponding pipelines 6, so as to ensure that the other pipelines 6 are disconnected from the inlet 14, thereby realizing the control of the on-off of a plurality of fluid passages.

Of course, if the valve body 1 has a greater number of inlets 14, the inlets 14 not having the pipes 6 mounted thereon may be sealed by a closing plate or cover plate 12.

Claims

1. An improved fluid one-way valve comprises a valve body (1) and is characterized in that a cavity (10) is arranged in the valve body (1), the valve body (1) is provided with an outlet (13) communicated with the cavity (10), the valve body (1) is provided with at least two inlets (14) communicated with the cavity (10), the outer side of the valve body (1) is provided with a mounting position (15) connected with a pipeline (6) corresponding to the inlet (14), the cavity (10) is provided with a support (2) corresponding to the inlet (14), the inlet (14) is provided with a fixed rod (3), a spring (4) and a plugging device (5), the fixed rod (3) is arranged on the support (2), the plugging device (5) is fixed on the fixed rod (3), the spring (4) is sleeved on the fixed rod (3) in a penetrating manner, one end of the spring (4) is abutted against the plugging device (5), the other end of the spring (4) is abutted against the support (2), the elastic force of the spring (4) enables the plugging device (5) to be abutted against the pipeline (6), the connection of the inlet (14) and the pipeline (6) to be disconnected, and the internal pressure of the plugging device (6) to be far away from the pipeline (6), the conduit (6), inlet (14), cavity (10) and outlet (13) form a communicating fluid path.

2. The improved fluid check valve as claimed in claim 1, wherein the fixing rod (3) is a bolt, the support (2) is provided with a through hole (21), the through hole (21) and the inlet (14) are coaxially arranged, one end of the fixing rod (3) with external threads passes through the through hole (21) and extends to the inlet (14), the plugging device (5) is in threaded connection with one end of the fixing rod (3) with external threads, the plugging device (5) moves along the axial direction of the through hole (21) through the fixing rod (3), and the nut of the fixing rod (3) is abutted against the support (2) by the elastic force of the spring (4).

3. The improved fluid check valve as claimed in claim 2, wherein the blocking device (5) comprises a first nut (51), a spacer (52), a valve plate (53), a base (54) and a second nut (55) which are sequentially sleeved on one end of the external thread of the fixing rod (3), and the spacer (52), the valve plate (53) and the base (54) are clamped by the first nut (51) and the second nut (55).

4. The improved fluid check valve as in claim 3 wherein the valve plate (53) is threaded over the retaining rod (3) by means of a spacer (56).

5. The improved fluid check valve as claimed in claim 3, wherein the pipe (6) is sealingly mounted in the mounting portion (15), the port of the pipe (6) communicates with the inlet (14), the valve plate (53) has an area larger than that of the port of the pipe (6), the valve plate (53) and the port of the pipe (6) are in contact with each other by the elastic force of the spring (4), and the valve plate (53) has a compression deformation amount of 30% or less of its thickness.

6. An improved fluid check valve as claimed in claim 2, characterized in that the end of the valve body (1) is provided with an open opening (11) corresponding to the cavity (10), the open opening (11) is blocked by a detachable cover plate (12), the bracket (2) enters the cavity (10) through the open opening (11) and moves to the inlet (14), and the top of the bracket (2) and the edge of the inlet (14) are fixed by screw connection.

7. The improved fluid check valve as claimed in claim 6, wherein the support (2) is H-shaped, and the through hole (21) is provided at a central position of the support (2) such that the fixing rod (3), the inlet (14) and the blocking device (5) are coaxially arranged.

8. An improved fluid non-return valve according to claim 1, characterised in that the horizontal position of the blocking means (5) protrudes from the mounting location (15), the extent of protrusion of the blocking means (5) being between 1 and 3 mm.