CN217603422U

CN217603422U - Check valve with filtering capability

Info

Publication number: CN217603422U
Application number: CN202221658451.0U
Authority: CN
Inventors: 戈伟峰
Original assignee: Yuhuan Jiayu Valve Co ltd
Current assignee: Yuhuan Jiayu Valve Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-10-18
Anticipated expiration: 2032-06-29

Abstract

The utility model provides a check valve with filtering capability belongs to valve technical field. It has solved the current check valve technique of filtering type not mature yet, because the filter screen is just installed including when the integrated into one piece processing check valve, can't dismantle the change, when the impurity that stores up on the filter screen is too much, just need change the problem of whole check valve. This check valve with filtering capability, including the valve main part that has the circulation passageway, the valve main part comprises left valve body and right valve body, through the mutual fixed connection of screw thread between left valve body and the right valve body, be provided with the non return subassembly that is used for the non return on the right valve body, be provided with in the right valve body and be used for filterable filtering component, filtering component includes the upper bracket, lower carriage and filter screen, filter screen fixed mounting is between upper bracket and lower carriage, the non return subassembly comprises non return portion, the connecting rod, manger plate portion and coupling spring. The utility model has the advantages of filtering and non-return functions.

Description

Check valve with filtering capability

Technical Field

The utility model belongs to the technical field of the valve, a check valve, in particular to check valve with filtering capability is related to.

Background

The check valve is a valve which automatically opens and closes a valve flap by the flow of a medium and is used for preventing the medium from flowing backwards, and is also called a check valve, a one-way valve, a reverse flow valve and a back pressure valve. The check valve is an automatic valve and mainly used for preventing medium from flowing backwards, preventing the pump and a driving motor from reversing and discharging container medium. At present, in the use process of the check valve, sundries may flow in a pipeline, and blockage may occur, so that the working efficiency is affected.

The check valve technique of current filtration formula is still not mature enough, because including the filter screen just installed when the integrated into one piece processing check valve, can't dismantle the change, when the impurity that stores up on the filter screen is too much, just need change whole check valve, and the replacement cost is high, also inconvenient change.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a reasonable in design and simple structure and have the check valve of filtering and non return function.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a check valve with filtering capability, is including the valve main part that has the circulation passageway, the valve main part constitute by left valve body and right valve body, left valve body and right valve body between through the mutual fixed connection of screw thread, its characterized in that, right valve body on be provided with the non return subassembly that is used for the non return, right valve body in be provided with and be used for filterable filter assembly, filter assembly include upper bracket, lower carriage and filter screen, filter screen fixed mounting is between upper bracket and lower carriage, and the filter screen is the annular setting, the lower carriage fixed set up on right valve body, the non return subassembly comprises non return portion, connecting rod, manger plate portion and connecting spring, be provided with connecting portion one and connecting portion two in the right valve body, the connecting rod is worn to locate connecting portion one and connecting portion two, and it carries out the location removal on connecting portion one and connecting portion two, the connecting rod stretches out the upper bracket, just manger plate portion sets up in the left end of connecting rod and is used for controlling the switching of circulation passageway.

In the above-mentioned check valve with filtering capability, the connecting spring is disposed between the water blocking portion and the second connecting portion, one end of the connecting spring is connected to the right end of the water blocking portion, and the other end of the connecting spring is connected to the second connecting portion, so that the flow channel is opened and closed by the action of the connecting spring.

In foretell check valve with filtering capability, the upper bracket epirelief is equipped with the solid fixed ring that is used for fixing, gu set up on the fixed ring and supply liquid to carry out the opening that flows, be provided with on the valve wall of left side valve body and supply solid fixed ring to carry out the support that leans on and lean on the ring.

In the above-mentioned check valve with filtering capability, the left end face of the right valve body is provided with a mounting groove for the lower bracket to be fixedly mounted, the lower bracket is convexly provided with a positioning ring for the lower bracket to be positioned, the positioning ring and the lower bracket are integrally formed, the lower bracket part extends into the mounting groove, and the positioning ring is attached to the left end face of the right valve body and is fixedly connected with the left end face of the right valve body through a bolt.

In the above check valve with filtering function, a stepped groove for abutting against the water blocking portion is formed in the right valve body.

In the above-mentioned check valve with filtering function, the diameter of the fixing ring is the same as that of the left valve body.

In the above check valve with filtering function, a sealing ring for sealing is fixedly installed at the joint of the left valve body and the right valve body.

Compared with the prior art, this check valve with filtering capability plays non return and filter effect to liquid through being provided with filtering component and the non return subassembly in the valve main part, has improved the practicality of valve body to filtering component can dismantle to connect on right valve body, very big reduction use cost.

Drawings

Fig. 1 is a schematic sectional view of the present invention.

Fig. 2 is a schematic structural diagram of the right valve body of the present invention.

Fig. 3 is a schematic structural view of the right-hand valve body of the present invention at another angle.

In the figure, 1, a valve body; 2. a left valve body; 3. a right valve body; 4. a check assembly; 5. a filter assembly; 6. an upper bracket; 7. a filter screen; 8. a lower bracket; 9. a non-return portion; 10. a connecting rod; 11. a water retaining part; 12. a connecting spring; 13. a first connecting part; 14. a second connecting part; 15. a flow-through hole; 16. an abutment ring; 17. mounting grooves; 18. a step groove; 19. a seal ring; 20. a positioning ring; 21. and (4) fixing the ring.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2 and 3, the check valve with filtering function comprises a valve body 1 with a flow channel, wherein the valve body 1 is composed of a left valve body 2 and a right valve body 3, the left valve body 2 and the right valve body 3 are fixedly connected with each other through threads, a non-return component 4 for non-return is arranged on the right valve body 3, a filtering component 5 for filtering is arranged in the right valve body 3, the filtering component 5 comprises an upper bracket 6, a lower bracket 8 and a filtering net 7, the filtering net 7 is fixedly arranged between the upper bracket 6 and the lower bracket 8, the filtering net 7 is arranged in an annular shape, a filtering space for filtering liquid impurities is formed between the upper bracket 6 and the lower bracket 8 due to the annular arrangement of the filtering net 7, the lower support 8 is fixedly arranged on the right valve body 3, the check assembly 4 is composed of a check portion 9, a connecting rod 10, a water retaining portion 11 and a connecting spring 12, a first connecting portion 13 and a second connecting portion 14 are arranged in the right valve body 3, the first connecting portion 13 and the second connecting portion 14 are arranged in the right valve body 3 in an integrated mode, the connecting rod 10 penetrates through the first connecting portion 13 and the second connecting portion 14 and moves on the first connecting portion 13 and the second connecting portion 14 in a positioning mode, the connecting rod 10 extends out of the upper support 6, and the water retaining portion 11 is arranged at the left end of the connecting rod 10 and used for controlling the opening and closing of a circulation channel.

In more detail, the liquid flows in from the left valve body 2 and flows into the filtering space through the through hole 15 on the fixing ring 21, impurities in the liquid flowing into the filtering space are filtered by the filter screen 7, the liquid continuously flows into the right valve body 3, when the liquid flows, pressure formed by the liquid is applied to the non-return part 9 in the non-return assembly 4, the return spring compresses, the non-return part 9 moves towards the right valve body 3, the non-return part 9 is connected with the water blocking part 11 through the connecting rod 10, so that the water blocking part 11 is driven to move, the flow channel is in a flow state, water flows out through the connecting part I13 and the connecting part II 14, when the liquid does not flow, the pressure of the liquid does not exist on the water blocking part 11, the return spring rebounds, the water blocking part 11 is returned, the flow channel is in a closed state, the liquid flowing out of the right valve body 3 is prevented from flowing back into the left valve body 2, and the non-return and filtering effects are achieved.

In more detail, the connecting spring 12 is disposed between the water blocking portion 11 and the second connecting portion 14, one end of the connecting spring 12 is connected to the right end of the water blocking portion 11, the other end of the connecting spring 12 is connected to the second connecting portion 14, and the flow channel is enabled to flow and be closed through the action of the connecting spring 12.

In more detail, the upper bracket 6 is convexly provided with a fixing ring 21 for fixing, the fixing ring 21 is provided with a flow hole 15 for liquid to flow, and the valve wall of the left valve body 2 is provided with a support ring 16 for the fixing ring 21 to support against.

In more detail, a mounting groove 17 for the lower support 8 to be fixedly mounted is formed in the left end face of the right valve body 3, a positioning ring 20 for the lower support 8 to be positioned is arranged on the lower support 8 in a protruding mode, the positioning ring 20 and the lower support 8 are integrally formed, the lower support 8 partially extends into the mounting groove 17, and the positioning ring 20 is attached to the left end face of the right valve body 3 and fixedly connected with the left end face of the right valve body through a bolt.

In further detail, because the positioning ring 20 is connected with the right valve body 3 through the bolt, the filtering component 5 can be detached from the right valve body 3, the filtering component 5 can be replaced, the whole valve body 1 does not need to be replaced, and the use cost is reduced.

More specifically, a stepped groove 18, against which the water stopper 11 abuts, is formed in the right valve body 3.

To be more precise, the diameter of the fixed ring 21 is the same as that of the left valve body 2.

In more detail, a sealing ring 19 for sealing is fixedly arranged at the joint of the left valve body 2 and the right valve body 3. The installation of the sealing ring 19 improves the sealing between the left valve body 2 and the right valve body 3.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the valve body 1, the left valve body 2, the right valve body 3, the check assembly 4, the filter assembly 5, the upper bracket 6, the filter net 7, the lower bracket 8, the check portion 9, the connecting rod 10, the water blocking portion 11, the connecting spring 12, the connecting portion one 13, the connecting portion two 14, the flow hole 15, the abutment ring 16, the mounting groove 17, the step groove 18, the sealing ring 19, the positioning ring 20, the fixing ring 21, etc. are used more in the drawings, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. A check valve with a filtering function comprises a valve body (1) with a flow channel, wherein the valve body (1) consists of a left valve body (2) and a right valve body (3), the left valve body (2) and the right valve body (3) are fixedly connected with each other through threads, and the check valve is characterized in that a check assembly (4) for checking is arranged on the right valve body (3), a filtering assembly (5) for filtering is arranged in the right valve body (3), the filtering assembly (5) comprises an upper support (6), a lower support (8) and a filtering screen (7), the filtering screen (7) is fixedly arranged between the upper support (6) and the lower support (8), the filtering screen (7) is arranged in an annular shape, the lower support (8) is fixedly arranged on the right valve body (3), the check assembly (4) consists of a check portion (9), a connecting rod (10), a water retaining portion (11) and a connecting spring (12), a first connecting portion (13) and a second connecting portion (14) are arranged in the right valve body (3), the connecting rod (10) penetrates through the first connecting portion (13) and the second connecting portion (13) and the first connecting portion (14) and the first connecting portion (13) and the second connecting portion (14) extends out of the connecting rod (6), and the water blocking part (11) is arranged at the left end of the connecting rod (10) and is used for controlling the opening and closing of the circulation channel.

2. The non-return valve with filtering function according to claim 1, characterized in that the connecting spring (12) is disposed between the water blocking portion (11) and the second connecting portion (14), one end of the connecting spring (12) is connected to the right end of the water blocking portion (11), and the other end of the connecting spring (12) is connected to the second connecting portion (14), and the flow passage is opened and closed by the action of the connecting spring (12).

3. The check valve with the filtering function according to claim 1, wherein a fixing ring (21) for fixing is convexly arranged on the upper bracket (6), a flow hole (15) for liquid to flow is formed in the fixing ring (21), and an abutting ring (16) for abutting against the fixing ring (21) is arranged on the valve wall of the left valve body (2).

4. The check valve with the filtering function according to claim 1, wherein a mounting groove (17) for fixedly mounting the lower bracket (8) is formed in the left end surface of the right valve body (3), a positioning ring (20) for positioning the lower bracket (8) is convexly arranged on the lower bracket (8), the positioning ring (20) and the lower bracket (8) are integrally formed, part of the lower bracket (8) extends into the mounting groove (17), and the positioning ring (20) is attached to the left end surface of the right valve body (3) and fixedly connected with the left end surface of the right valve body through a bolt.

5. The check valve with filtering function according to claim 1, characterized in that a stepped groove (18) for abutting against the water blocking portion (11) is formed in the right valve body (3).

6. A check valve with filtering function according to claim 3, characterized in that the diameter of the fixing ring (21) is the same as the diameter of the left valve body (2).

7. The check valve with filtering function according to claim 1, characterized in that a sealing ring (19) for sealing is fixedly installed at the joint of the left valve body (2) and the right valve body (3).