CN219639643U

CN219639643U - Uniflow valve

Info

Publication number: CN219639643U
Application number: CN202320823115.5U
Authority: CN
Inventors: 刘文鑫; 陈鹏
Original assignee: Shanghai Wanfeng Heavy Industry Co ltd
Current assignee: Shanghai Wanfeng Heavy Industry Co ltd
Priority date: 2023-04-13
Filing date: 2023-04-13
Publication date: 2023-09-05
Anticipated expiration: 2033-04-13

Abstract

The utility model belongs to the technical field of valve bodies, and particularly relates to a single-flow valve which comprises a valve body, wherein a valve assembly is arranged in the valve body, an assembly ring is fixedly connected to the inner wall of the valve body, a filter screen plate is movably arranged on one side of the assembly ring, anti-corrosion rubber columns are arranged on the circumference of a filter surface of the filter screen plate at equal intervals, a flow dividing plate is fixedly connected to the end surface of the anti-corrosion rubber column, and a flow dividing cover is fixedly connected to the surface of the flow dividing plate; and the inner surface of the assembly ring is fixedly connected with a guide seat. Under the shunting action of the shunting plate and the shunting cover, the fluid reduces the impact on the middle part of the filter screen plate, the anti-corrosion rubber column is elastically deformed within the elastic limit, the impact force is slowed down, and the filter screen plate is subjected to deformation prevention and breakage prevention protection treatment; when the filter screen plate is impacted by fluid, the filter screen plate drives the polish rod to slide relative to the guide seat, and the spring is elastically deformed within the elastic limit, so that the impact force is relieved, and the filter screen plate has a good protection effect.

Description

Uniflow valve

Technical Field

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

Background

Through retrieving, the novel uniflow valve of patent number CN211599712U through solenoid valve switch, solenoid valve and reserve shunt tubes of second isotructure, can make the uniflow valve when the flow diminishes, can utilize first reserve shunt tubes and reserve shunt tubes of second to shunt the transportation, has both made things convenient for the staff to clear up the uniflow valve, does not influence the continuation transportation of petroleum crude oil again, has solved the problem that the flow diminishes after the uniflow valve blocks.

However, when using the uniflow valve, in order to purify the fluid, the technician can install the filter screen plate additional in the valve body inside, and the filter screen is installed in the valve body after, and wherein the impact force that the position received the fluid is big, and the phenomenon of deformation even breaking easily appears, and fluid and fixed mounting's filter screen plate direct contact, inconvenient buffering protection is handled.

Disclosure of Invention

Object of the utility model

In order to solve the technical problems in the background art, the utility model provides the check valve, which reduces the impact on the middle part of the filter screen plate under the split flow action of the split flow plate and the split flow cover, and the anti-corrosion rubber column elastically deforms within the elastic limit to slow down the impact force and perform deformation and breakage prevention protection treatment on the filter screen plate; when the filter screen plate is impacted by fluid, the filter screen plate drives the polish rod to slide relative to the guide seat, and the spring is elastically deformed within the elastic limit, so that the impact force is relieved, and the filter screen plate has a good protection effect.

(II) technical scheme

In order to solve the technical problems, the utility model provides a check valve, which comprises a valve body, wherein a valve assembly is arranged in the valve body, an assembly ring is fixedly connected to the inner wall of the valve body, a filter screen plate is movably arranged on one side of the assembly ring, anti-corrosion rubber columns are arranged on the circumference of a filter surface of the filter screen plate at equal intervals, a flow dividing plate is fixedly connected to the end surface of the anti-corrosion rubber column, and a flow dividing cover is fixedly connected to the surface of the flow dividing plate;

the assembly ring is characterized in that a guide seat is fixedly connected to the inner surface of the assembly ring, a buffer assembly is arranged on the surface of the guide seat, the buffer assembly comprises a polished rod and a spring, the spring is sleeved outside the polished rod, and one end of the polished rod is fixedly connected with the end face of the filter screen plate.

Preferably, the filter screen plate is provided with a flow blocking boss near the inner wall of the valve body, and the filter screen plate is arranged on one side of the assembly ring in parallel.

Preferably, one end of the spring is fixedly connected with the tail end of the polish rod, and the other end of the spring is fixedly connected with the guide seat.

Preferably, a guide assembly is arranged inside the assembly ring, the guide assembly comprises a guide frame and a guide rod, and the guide frame is fixedly connected to the inner wall of the assembly ring.

Preferably, the guide rod penetrates through a guide hole on the surface of the assembly ring and is arranged in a sliding manner.

Preferably, the terminal surface fixedly connected with fixture block of guide bar, the surface fixedly connected with snap ring of filter screen plate, the fixture block of guide bar corresponds with the snap ring joint of filter screen plate.

The technical scheme of the utility model has the following beneficial technical effects:

1. according to the utility model, the filter surface of the filter screen plate is fixedly connected with the splitter plate through the anti-corrosion rubber column, the surface of the splitter plate is fixedly connected with the splitter cover, after the valve body is connected to the fluid pipeline, fluid is contacted with the splitter cover on the surface of the splitter plate when approaching the filter screen plate, the impact on the middle part of the filter screen plate is reduced under the split action of the splitter plate and the splitter cover, the anti-corrosion rubber column is elastically deformed within the elastic limit, the impact force is slowed down, and the filter screen plate is subjected to deformation prevention and breakage prevention protection treatment.

2. The buffer component is arranged on the surface of the guide seat of the assembly ring and comprises the polish rod and the spring, when the filter screen plate is impacted by fluid, the filter screen plate drives the polish rod to slide relative to the guide seat, and the spring elastically deforms within the elastic limit, so that the impact force is relieved, and the protection effect is good.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the attachment structure of the mounting ring and the screen plate of the present utility model;

fig. 3 is a schematic view of another view of the mounting ring and screen of the present utility model.

Reference numerals:

1. a valve body; 2. a mounting ring; 3. a filter screen plate; 301. a clasp; 4. a diverter plate; 5. a shunt cover; 6. an anti-corrosion rubber column; 7. a guide frame; 8. a guide rod; 9. a clamping block; 10. a guide seat; 11. a polish rod; 12. and (3) a spring.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

Example 1

As shown in fig. 1, 2 and 3, the single-flow valve provided by the utility model comprises a valve body 1, wherein a valve component is arranged in the valve body 1, an assembly ring 2 is fixedly connected to the inner wall of the valve body 1, a filter screen plate 3 is movably arranged on one side of the assembly ring 2, anti-corrosion rubber columns 6 are equidistantly arranged on the circumference of a filter surface of the filter screen plate 3, a flow dividing plate 4 is fixedly connected to the end surface of the anti-corrosion rubber column 6, and a flow dividing cover 5 is fixedly connected to the surface of the flow dividing plate 4;

the assembly ring 2 internal surface fixedly connected with guide holder 10, guide holder 10 surface mounting has buffer assembly, buffer assembly includes polished rod 11 and spring 12, spring 12 cup joints in polished rod 11 outside, polished rod 11 one end and the terminal surface fixed connection of filtering screen plate 3.

It should be noted that, the filtering surface of the filter screen plate 3 is fixedly connected with the splitter plate 4 through the anti-corrosion rubber column 6, the surface of the splitter plate 4 is fixedly connected with the splitter cover 5, after the valve body 1 is connected to the fluid pipeline, when the fluid approaches the filter screen plate 3, the fluid will firstly contact with the splitter cover 5 on the surface of the splitter plate 4, under the split action of the splitter plate 4 and the splitter cover 5, the impact to the middle part of the filter screen plate 3 is reduced, the anti-corrosion rubber column 6 is elastically deformed in the elastic limit, the impact force is slowed down, and the filter screen plate 3 is subjected to deformation and breakage protection treatment.

In this embodiment, as shown in fig. 2 and fig. 3, a flow blocking boss is disposed at a position of the filter screen plate 3 close to the inner wall of the valve body 1, the filter screen plate 3 is disposed in parallel on one side of the assembly ring 2, one end of the spring 12 is fixedly connected with the tail end of the polish rod 11, and the other end of the spring 12 is fixedly connected with the guide seat 10.

It should be noted that, the guide holder 10 surface mounting of the assembly ring 2 has a buffer assembly, the buffer assembly includes a polish rod 11 and a spring 12, when the filter screen plate 3 is impacted by fluid, the filter screen plate 3 drives the polish rod 11 to slide relative to the guide holder 10, the spring 12 is elastically deformed within the elastic limit, and the impact force is slowed down, so that the protection effect is very good.

In this embodiment, as shown in fig. 2 and 3, the assembly ring 2 internally mounted has a guide assembly, the guide assembly includes leading truck 7 and guide bar 8, leading truck 7 fixed connection is at assembly ring 2 inner wall, guide bar 8 runs through the guiding hole on assembly ring 2 surface and for sliding arrangement, the terminal surface fixedly connected with fixture block 9 of guide bar 8, the fixed surface of filter screen plate 3 is connected with snap ring 301, the fixture block 9 of guide bar 8 corresponds with the snap ring 301 joint of filter screen plate 3.

It should be noted that, the inside guide component of assembly ring 2 includes leading truck 7 and guide bar 8, and the fixture block 9 of guide bar 8 corresponds with the snap ring 301 joint of filter screen plate 3, when filter screen plate 3 receives fluid impact force effect, and filter screen plate 3 drives polished rod 11 and slides relative guide holder 10, and guide bar 8 at the filter screen plate 3 back can slide relative leading truck 7, keeps filter screen plate 3 steady motion, and filter screen plate 3 is provided with the choked flow boss near valve body 1 inner wall position, improves the leakproofness of filter screen plate 3 and valve body 1 contact surface.

The specific using method comprises the following steps: the filter surface of the filter screen plate 3 is fixedly connected with a splitter plate 4 through an anti-corrosion rubber column 6, the surface of the splitter plate 4 is fixedly connected with a splitter cover 5, after the valve body 1 is communicated with a fluid pipeline, fluid is contacted with the splitter cover 5 on the surface of the splitter plate 4 when approaching the filter screen plate 3, under the split action of the splitter plate 4 and the splitter cover 5, the impact on the middle part of the filter screen plate 3 is reduced, the anti-corrosion rubber column 6 is elastically deformed within the elastic limit, the impact force is slowed down, and the filter screen plate 3 is subjected to deformation prevention and breakage prevention protection treatment; the surface of the guide seat 10 of the assembly ring 2 is provided with a buffer assembly, the buffer assembly comprises a polished rod 11 and a spring 12, when the filter screen plate 3 is impacted by fluid, the filter screen plate 3 drives the polished rod 11 to slide relative to the guide seat 10, and the spring 12 is elastically deformed within the elastic limit; when the filter screen plate 3 receives fluid impact force effect, the filter screen plate 3 drives the polished rod 11 to slide relative to the guide seat 10, and the guide rod 8 at the back of the filter screen plate 3 can slide relative to the guide frame 7, keeps the filter screen plate 3 to stably move, and the filter screen plate 3 is provided with a flow blocking boss at a position close to the inner wall of the valve body 1, so that the tightness of the contact surface between the filter screen plate 3 and the valve body 1 is improved.

It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.

Claims

1. The utility model provides a uniflow valve, includes valve body (1), valve body (1) internally mounted has valve assembly, its characterized in that, valve body (1) inner wall fixedly connected with assembly ring (2), assembly ring (2) one side movable mounting has filter screen plate (3), anticorrosive rubber post (6) are installed to the filter surface circumference equidistance of filter screen plate (3), the terminal surface fixedly connected with flow distribution plate (4) of anticorrosive rubber post (6), the surface fixedly connected with flow distribution cover (5) of flow distribution plate (4);

the assembly ring (2) internal surface fixedly connected with guide holder (10), guide holder (10) surface mounting has buffer assembly, buffer assembly includes polished rod (11) and spring (12), spring (12) cup joints in polished rod (11) outside, terminal surface fixed connection of polished rod (11) one end and filter screen board (3).

2. A single flow valve according to claim 1, characterized in that the filter screen plate (3) is provided with flow blocking bosses near the inner wall of the valve body (1), and the filter screen plate (3) is arranged in parallel on one side of the assembly ring (2).

3. A single flow valve according to claim 1, characterized in that one end of the spring (12) is fixedly connected with the end of the polish rod (11), and the other end of the spring (12) is fixedly connected with the guide seat (10).

4. A single flow valve according to claim 1, characterized in that the assembly ring (2) is internally provided with a guiding assembly comprising a guiding frame (7) and a guiding rod (8), the guiding frame (7) being fixedly connected to the inner wall of the assembly ring (2).

5. A single flow valve according to claim 4, characterised in that the guide rod (8) extends through a guide hole in the surface of the mounting ring (2) and is provided for sliding.

6. The uniflow valve according to claim 5, characterized in that the end face of the guide rod (8) is fixedly connected with a clamping block (9), the surface of the filter screen plate (3) is fixedly connected with a clamping ring (301), and the clamping block (9) of the guide rod (8) corresponds to the clamping ring (301) of the filter screen plate (3) in a clamping manner.