CN213954450U

CN213954450U - One-way valve with silencing function

Info

Publication number: CN213954450U
Application number: CN202022774756.5U
Authority: CN
Inventors: 杨卫; 陶文; 张春宇
Original assignee: Shanghai Yinxiang Hydraulics Technology Co ltd
Current assignee: Shanghai Yinxiang Hydraulics Technology Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-08-13
Anticipated expiration: 2030-11-26

Abstract

The utility model relates to the technical field of one-way valves, in particular to a one-way valve with silencing effect, which comprises a connecting pipe, wherein the center of the connecting pipe is provided with a through hole, the upper surface of the connecting pipe is fixedly connected with a valve body through welding, a valve seat positioned right above the through hole is arranged in the valve body, two sides of the valve seat are symmetrically and fixedly connected with a movable rod which is in sliding connection with the side wall of the valve body, the surface of the movable rod is fixedly connected with a reset component which is fixedly connected with the side wall of the valve body, an acoustical panel which is fixedly connected with the side wall of the valve body is arranged above the reset component, the device solves the problems that the prior one-way valve generates noise pollution in the using process, shortens the service life of the one-way valve and causes certain damage to a machine, has reasonable structural design, simple structure and convenient use, effectively buffers the valve seat and reduces the noise generated by collision, thereby prolonging the service life of the one-way valve and improving the use safety performance of the machine.

Description

One-way valve with silencing function

Technical Field

The utility model relates to a check valve technical field specifically is a check valve with noise cancelling action.

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. The one-way valve has a straight-through type and a right-angle type. Wherein, the straight-through type check valve is installed on the pipeline by threaded connection. The right-angle check valve has three forms of threaded connection, plate connection and flange connection.

When fluid flows from one end to the other end, the valve core is pushed when the fluid flows through the valve seat, the conical part of the valve core and the valve seat are completely closed, a channel is reserved between the valve body of the valve core and the valve seat for the fluid to pass through, and after the fluid passes through, the valve core returns under the pressure action of the elastic part or the fluid to block the channel again. In the actual use process, under the impact of air current, case and disk seat bump in the check valve to produce noise pollution, shortened the life of check valve, cause the damage to the machine.

Disclosure of Invention

An object of the utility model is to provide a check valve with noise cancelling effect aims at solving the noise pollution that produces in the use that current check valve exists, has shortened the life of check valve, leads to the fact the problem of certain damage to the machine.

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

the utility model provides a check valve with noise cancelling effect, includes the connecting pipe, the connecting pipe center is equipped with the through-hole, the connecting pipe upper surface is through welded fixed connection with valve body, be equipped with the disk seat that is located directly over the through-hole in the valve body, disk seat bilateral symmetry fixedly connected with and valve body lateral wall sliding connection's movable rod, movable rod fixed surface is connected with and valve body lateral wall fixed connection's reset assembly, the reset assembly top be equipped with valve body lateral wall fixed connection's abatvoix.

As a further aspect of the present invention: the improved silencer is characterized in that a first thread section is arranged at the bottom end of the through hole, the first thread section is in threaded connection with a flow inlet pipe, silencing cotton is connected to the side face of the valve body, a second thread section is arranged at the top end of the valve body, and the second thread section is in threaded connection with a flow outlet pipe.

As a further aspect of the present invention: the length and width of the valve body are larger than the diameter of the through hole, the side face of the movable rod is fixedly connected with a sliding block, and the side wall of the valve body is provided with a sliding groove in sliding connection with the sliding block.

As a further aspect of the present invention: the lower end of the valve body is fixedly connected with a bulge, the bulge is in the shape of a spherical crown, channels are uniformly arranged on the sound-absorbing plate at equal intervals, and the channels are in a wave shape.

As a further aspect of the present invention: reset assembly includes the first connecting rod of being connected with movable rod fixed surface, first connecting rod tip passes through the first rack of welded fastening connection, first rack toothing has gear one side, gear center department passes through bearing fixedly connected with and valve body fixed connection's back shaft, the meshing of gear opposite side has the second rack, the second rack tip passes through welded fastening connection has the second connecting rod, the first backup pad of second connecting rod upper end fixedly connected with, the first spring one end of first backup pad bottom surface fixedly connected with, the second backup pad of first spring other end fixedly connected with and first rack fixed connection, even equidistance fixedly connected with second spring one end on the surface of first backup pad, second spring other end fixedly connected with and valve body lateral wall fixed connection's fixed plate.

Compared with the prior art, the beneficial effects of the utility model are that: this device has solved the noise pollution that produces in the use that current check valve exists, has shortened the life of check valve, causes the problem of certain damage to the machine, the utility model has the advantages of reasonable design, simple structure, convenient to use effectively cushions the disk seat, reduces the noise that the collision produced to the life of extension check valve has improved the safety in utilization performance of machine.

Drawings

FIG. 1 is a schematic view of a one-way valve with noise reduction;

fig. 2 is a view taken along direction a in fig. 1.

In the figure: 1. a connecting pipe; 2. a through hole; 3. a first thread segment; 4. an inlet pipe; 5. a valve body; 6. a protrusion; 7. a valve seat; 8. a movable rod; 9. a first link; 10. a first rack; 11. a gear; 12. a support shaft; 13. a second rack; 14. a second link; 15. a first support plate; 16. a first spring; 17. a second support plate; 18. a second spring; 19. a fixing plate; 20. a sound-absorbing panel; 21. silencing cotton; 22. a second thread segment; 23. and (4) a flow outlet pipe.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

Example 1

Please refer to fig. 1-2, in the embodiment of the present invention, an one-way valve with noise reduction function, includes a connecting pipe 1, a through hole 2 is disposed at the center of the connecting pipe 1, a valve body 5 is fixedly connected to the upper surface of the connecting pipe 1 through welding, a valve seat 7 is disposed in the valve body 5 and located right above the through hole 2, a movable rod 8 slidably connected to the side wall of the valve body 5 is symmetrically and fixedly connected to the two sides of the valve seat 7, a reset component fixedly connected to the surface of the movable rod 8 and fixedly connected to the side wall of the valve body 5, and a noise reduction plate 20 fixedly connected to the side wall of the valve body 5 is disposed above the reset component.

The utility model discloses an in the embodiment, the fluid passes through-hole 2 on connecting pipe 1 and flows in valve body 5, promote disk seat 7 and 8 rebound of movable rod, under the reset assembly effect, open the check valve, the fluid flows out from 5 tops of valve body, the fluid passes through the back, reset assembly resets disk seat 7, prevent the fluid backward flow, cushion disk seat 7 through reset assembly, reduce the noise that the collision produced, prolong the life of check valve, the safety in utilization performance of machine has been improved, through setting up acoustical panel 20, reach further the purpose of inhaling the sound and making an uproar of falling.

Example 2

Referring to fig. 1, in an embodiment of the present invention, a first thread section 3 is disposed at a bottom end of the through hole 2, the first thread section 3 is connected to an inlet pipe 4 through a thread, a side surface of the valve body 5 is connected to a noise reduction cotton 21, a second thread section 22 is disposed at a top end of the valve body 5, and the second thread section 22 is connected to an outlet pipe 23 through a thread.

The utility model discloses an in the embodiment, set up first screw thread section 3 and inflow pipe 4, be convenient for flow into the fluid, set up the amortization cotton 21, absorb the noise of outside diffusion in the valve body 5, set up second screw thread section 22 and play flow pipe 23, be convenient for flow out the fluid.

Example 3

Referring to fig. 1, in an embodiment of the present invention, the length and width of the valve body 5 are greater than the diameter of the through hole 2, a sliding block is fixedly connected to the side surface of the movable rod 8, and a sliding groove slidably connected to the sliding block is formed on the side wall of the valve body 5.

The utility model discloses an in the embodiment, set up 5 length and width sizes of valve body and be greater than the diameter of through-hole 2, guarantee the leakproofness effect, prevent that the fluid from flowing out from through-hole 2, when movable rod 8 reciprocated, drive the slider and slide from top to bottom along the spout.

Example 4

Referring to fig. 1, in an embodiment of the present invention, a protrusion 6 is fixedly connected to a lower end of the valve body 5, the protrusion 6 is in a shape of a spherical crown, and the sound-absorbing plate 20 is provided with channels at equal intervals, and the channels are in a wave shape.

The utility model discloses an in the embodiment, set up protruding 6, guarantee protruding 6 and 2 in close contact with of through-hole, reach the sealed effect that further improves the check valve, through setting up the ripple passageway, fluid is through the ripple passageway, through many refractions to change the route of flow, reduce fluidic impact force, prevent directly penetrating of noise and spread, thereby reach and reduce fluidic noise, improve the amortization of check valve.

Example 5

Referring to fig. 1-2, in an embodiment of the present invention, the restoring assembly includes a first connecting rod 9 fixedly connected to a surface of the movable rod 8, an end of the first connecting rod 9 is fixedly connected to a first rack 10 by welding, the first rack 10 is engaged with one side of a gear 11, a center of the gear 11 is fixedly connected to a supporting shaft 12 fixedly connected to the valve body 5 by a bearing, the other side of the gear 11 is engaged with a second rack 13, an end of the second rack 13 is fixedly connected to a second connecting rod 14 by welding, an upper end of the second connecting rod 14 is fixedly connected to a first supporting plate 15, an end of a first spring 16 is fixedly connected to a bottom surface of the first supporting plate 15, another end of the first spring 16 is fixedly connected to a second supporting plate 17 fixedly connected to the first rack 10, and an end of a second spring 18 is fixedly connected to the surface of the first supporting plate 15 at an even and equal distance, the other end of the second spring 18 is fixedly connected with a fixing plate 19 fixedly connected with the side wall of the valve body 5.

The utility model discloses an in the embodiment, when the fluid produced the effort to disk seat 7 and movable rod 8, first connecting rod 9 drove first rack 10 and second backup pad 17 and moves, first rack 10 and gear 11 meshing, and then drive gear 11 and second rack 13 meshing, drive second connecting rod 14 and first backup pad 15 and move, compress or extend first spring 16, because of fixed plate 19 is fixed motionless, and then compress or extend second spring 18, produce elastic potential energy, cushion the effort, set up back shaft 12, fix gear 11, support, guarantee the stability of its motion.

The utility model discloses a theory of operation is: fluid flows into the valve body 5 through the through hole 2 on the connecting pipe 1, the valve seat 7 and the movable rod 8 are pushed to move upwards, the first connecting rod 9 drives the first rack 10 and the second supporting plate 17 to move, the first rack 10 is meshed with the gear 11, the gear 11 is further driven to be meshed with the second rack 13, the second connecting rod 14 and the first supporting plate 15 are driven to move, the first spring 16 is compressed, the fixing plate 19 is fixed and fixed, the second spring 18 is further compressed to generate elastic potential energy, the acting force is buffered, the check valve is opened, the fluid flows out from the top end of the valve body 5, the valve seat 7 is reset after the fluid passes through the valve body, the fluid backflow is prevented, the valve seat 7 is buffered through the first spring 16 and the second spring 18, the noise generated by collision is reduced, the service life of the check valve is prolonged, and the use safety performance of a machine is improved.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The utility model provides a check valve with noise cancelling effect, includes connecting pipe (1), connecting pipe (1) center is equipped with through-hole (2), connecting pipe (1) upper surface is through welded fixed connection valve body (5), be equipped with disk seat (7) that are located directly over through-hole (2) in valve body (5), its characterized in that, disk seat (7) bilateral symmetry fixedly connected with and valve body (5) lateral wall sliding connection's movable rod (8), movable rod (8) fixed surface is connected with the reset assembly with valve body (5) lateral wall fixed connection, reset assembly top is equipped with abatvoix (20) with valve body (5) lateral wall fixed connection.

2. The one-way valve with the noise reduction function according to claim 1, wherein a first thread section (3) is arranged at the bottom end of the through hole (2), the first thread section (3) is in threaded connection with a flow inlet pipe (4), a noise reduction cotton (21) is connected to the side surface of the valve body (5), a second thread section (22) is arranged at the top end of the valve body (5), and a flow outlet pipe (23) is in threaded connection with the second thread section (22).

3. The one-way valve with the silencing function according to claim 2, wherein the length and width of the valve body (5) are larger than the diameter of the through hole (2), a sliding block is fixedly connected to the side surface of the movable rod (8), and a sliding groove in sliding connection with the sliding block is arranged on the side wall of the valve body (5).

4. The one-way valve with silencing function according to claim 3, characterized in that the lower end of the valve body (5) is fixedly connected with a bulge (6), the bulge (6) is in the shape of a spherical crown, the silencing plate (20) is provided with channels at equal intervals, and the channels are in the shape of waves.

5. The one-way valve with the noise reduction function according to claim 1, wherein the reset assembly comprises a first connecting rod (9) fixedly connected with the surface of the movable rod (8), the end of the first connecting rod (9) is fixedly connected with a first rack (10) through welding, the first rack (10) is engaged with one side of a gear (11), the center of the gear (11) is fixedly connected with a supporting shaft (12) fixedly connected with the valve body (5) through a bearing, the other side of the gear (11) is engaged with a second rack (13), the end of the second rack (13) is fixedly connected with a second connecting rod (14) through welding, the upper end of the second connecting rod (14) is fixedly connected with a first supporting plate (15), the bottom surface of the first supporting plate (15) is fixedly connected with one end of a first spring (16), the other end of the first spring (16) is fixedly connected with a second supporting plate (17) fixedly connected with the first rack (10), first backup pad (15) even equidistance fixedly connected with second spring (18) one end on the surface, second spring (18) other end fixedly connected with valve body (5) lateral wall fixed connection's fixed plate (19).