CN218582577U - Take filtering capability's one-way non return to connect - Google Patents

Abstract

The utility model relates to a take filtering capability's one-way non return to connect, a serial communication port, first casing and second casing including fixed connection, first casing communicates with each other with the second casing, be provided with circulation path in the second casing, circulation path's one end is provided with in the second casing and filters the piece. The utility model discloses a set up in the first casing part of the junction of first casing and second casing and filter the piece, realize filtering gaseous medium or liquid medium, stop impurity or dust in filtering the piece, only allow gaseous medium or liquid medium to pass through.

Description

Take filtering capability's one-way non return to connect

Technical Field

The utility model relates to an one-way joint technical field especially relates to a take filtering capability's single-phase non return to connect.

Background

The check valve is commonly called as a check valve, fluid can only flow along the water inlet, and the medium at the water outlet cannot flow back. Check valves, also known as check valves or back valves, are used in hydraulic systems to prevent reverse flow of oil or in pneumatic systems to prevent reverse flow of compressed air.

In the field of diesel vehicles, a large number of occasions needing one-way valves exist, for example, a one-way check valve is arranged between a fuel filling pipe and a fuel tank and mainly used for preventing fuel from flowing back to the fuel filling pipe to cause leakage and increase emission pollution; and corresponding check valves are required to be arranged in a tail gas emission pipeline and the antifreeze solution preheating device, but the existing check valves do not have the filtering function, so that impurities are accumulated after long-term use, and the using effect is influenced.

Disclosure of Invention

An object of the utility model is to provide a take filtering capability's single-phase non return to connect increases filtering capability.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a take filtering capability's one-way non return to connect, includes fixed connection's first casing and second casing, first casing communicates with each other with the second casing, be provided with the circulation route in the second casing, the one end of circulation route is provided with in the second casing and filters the piece.

The utility model discloses further set up, filter and be the hollow cylinder structure, its surface forms the filter screen.

The utility model discloses further set up, first casing includes horizontal part and vertical portion, be formed with the circulation portion that the connection chamber is used for connecting the second casing in the vertical portion, the circulation path is formed in the circulation portion and communicates with each other with the horizontal part, the circulation portion with be provided with first sealing washer between the vertical portion.

The utility model discloses further set up, be provided with the sealing plug on the circulation direction of circulation route, the below of sealing plug is provided with the spring holder, the spring holder with be provided with the spring between the sealing plug.

The utility model discloses further set up, the tip of horizontal part is provided with the jack catch, the jack catch inboard is provided with the second sealing washer.

The utility model has the advantages that: the utility model discloses a set up in the first casing part of the junction of first casing and second casing and filter the piece, realize filtering gaseous medium or liquid medium, stop impurity or dust in filtering the piece, only allow gaseous medium or liquid medium to pass through.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a cross-sectional view of an embodiment of the present invention.

Fig. 2 is a schematic view of a filter according to an embodiment of the present invention.

Reference numerals are as follows: 10. a first housing; 101. a horizontal portion; 102. a vertical portion; 1021. a connecting cavity; 20. A second housing; 201. a circulating part; 2011. a flow path; 30. a filter member; 40. a first seal ring; 50. a second seal ring; 60. a sealing plug; 70. a spring seat; 80. a spring; 90. a claw;

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

As shown in fig. 1-2, the utility model relates to a take filtering capability's one-way non return to connect, first casing 10 and second casing 20 including fixed connection, first casing 10 communicates with each other with second casing 20, be provided with circulation route 2011 in the second casing 20, the one end of circulation route 2011 is provided with in second casing 20 and filters piece 30.

The filter member 30 has a hollow cylindrical structure, a filter screen is formed on the surface of the hollow cylindrical structure, and has filter holes, a gas medium or a liquid medium passes through a cylindrical cavity of the hollow cylindrical structure, that is, flows from the inner side to the outer side of the filter screen, and the filtered medium enters the flow path 2011.

The first housing 10 includes a horizontal portion 101 and a vertical portion 102, a connection cavity 1021 is formed in the vertical portion 102 for connecting a circulating portion 201 of the second housing 20, the circulating path 2011 is formed in the circulating portion 201 and communicated with the horizontal portion 101, and a first sealing ring 40 is disposed between the circulating portion 201 and the vertical portion 102.

A sealing plug 60 is arranged in the flow direction of the flow path 2011, a spring 80 seat 70 is arranged below the sealing plug 60, and a spring 80 is arranged between the spring 80 seat 70 and the sealing plug 60.

The end part of the horizontal part 101 is provided with a clamping jaw 90, the inner side of the clamping jaw 90 is provided with a second sealing ring 50, and the gas jaw is used for connecting and locking a pipeline.

The utility model discloses a set up in the first casing 10 part of the junction of first casing 10 and second casing 20 and filter piece 30, realize filtering gaseous medium or liquid medium, block impurity or dust in filtering piece 30, only allow gaseous medium or liquid medium to pass through.

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in articles of commerce or systems including such elements.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive of other embodiments, and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims (5)

1. The utility model provides a take filtering capability's one-way non return to connect, its characterized in that includes fixed connection's first casing and second casing, first casing communicates with each other with the second casing, be provided with the circulation route in the second casing, the one end of circulation route is provided with in the second casing and filters the piece.

2. A one-way no-return joint with filtering function according to claim 1, characterized in that said filtering element is a hollow cylindrical structure, the surface of which forms a filtering net.

3. The one-way check joint with filtering function according to claim 2, wherein the first housing comprises a horizontal portion and a vertical portion, a connection chamber is formed in the vertical portion for connecting with a flow portion of the second housing, the flow path is formed in the flow portion and communicates with the horizontal portion, and a first sealing ring is disposed between the flow portion and the vertical portion.

4. The one-way check joint with filtering function as claimed in claim 3, wherein a sealing plug is arranged in the flow direction of the flow path, a spring seat is arranged below the sealing plug, and a spring is arranged between the spring seat and the sealing plug.

5. The one-way check joint with filtering function according to claim 4, wherein the horizontal portion is provided at its end with a jaw, and a second sealing ring is provided inside the jaw.

Images