CN216306830U - Check valve capable of silencing - Google Patents
Check valve capable of silencing Download PDFInfo
- Publication number
- CN216306830U CN216306830U CN202122692803.6U CN202122692803U CN216306830U CN 216306830 U CN216306830 U CN 216306830U CN 202122692803 U CN202122692803 U CN 202122692803U CN 216306830 U CN216306830 U CN 216306830U
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- valve
- shaped rubber
- valve body
- rubber block
- clack
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Abstract
The utility model discloses a noise-reducing check valve, which comprises an outer valve body and an inner valve body, wherein a plurality of sound-absorbing cotton are arranged between the outer valve body and the inner valve body, the inner side surface of the outer valve body is a non-smooth surface, an O-shaped rubber block is arranged in the valve body and above a valve clack, a plurality of O-shaped rubber rings are arranged at the edges of the O-shaped rubber block, one end of each O-shaped rubber ring, far away from the O-shaped rubber block, is fixedly connected with the valve body, mounting rings for fixing the O-shaped rubber rings are arranged on the upper side surface and the lower side surface of the O-shaped rubber block, mounting holes are formed in the mounting rings and at the superposition positions of the O-shaped rubber blocks and the O-shaped rubber rings, fastening threaded nuts are arranged between the upper mounting holes and the lower mounting holes, a mounting groove is formed in the side surface, close to the valve clack, of the O-shaped rubber block, a valve rod is arranged in the mounting groove, the lower surface of the valve rod is fixedly connected with the valve clack, and a sealing ring is arranged below the valve clack. The utility model has the advantages that: the valve rod is only connected with O type rubber block, and O type rubber block just reduces the collision for the valve rod because the elastic deformation ability of self, and then can not produce the noise.
Description
Technical Field
The utility model relates to the technical field of check valves, in particular to a muffling check valve.
Background
The function of the check valve is to prevent flow in the opposite direction and to allow flow in only one direction. Typically such valves are self-actuating, with the flap opening under the pressure of a fluid flowing in one direction; when the fluid flows in the opposite direction, the valve flap is combined by the fluid pressure and the self-weight of the valve flap to act on the valve seat, thereby cutting off the flow. Is not suitable for medium containing solid particles and with higher viscosity.
The existing water stop valve can generate larger sound due to collision, and further generates noise, so a new technology is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provides a non-return valve capable of silencing.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: a non-return valve capable of silencing comprises a non-return valve body consisting of a valve body, a valve cover and a valve clack, wherein the valve body comprises an outer valve body and an inner valve body, a plurality of sound-absorbing cotton bodies are arranged between the outer valve body and the inner valve body, the outer valve body and the inner valve body are arranged in a hollow mode, the inner side surface of the outer valve body is a non-smooth surface, an elastic component is arranged in the valve body and above the valve clack and comprises an O-shaped rubber block arranged in the valve body and above the valve clack, a plurality of O-shaped rubber rings are arranged at the edges of the O-shaped rubber block, one end, far away from the O-shaped rubber block, of the O-shaped rubber ring is fixedly connected with the valve body, mounting rings for fixing the O-shaped rubber rings are arranged on the upper side and the lower side surfaces of the O-shaped rubber block, mounting holes are formed in the superposition positions of the O-shaped rubber blocks and the O-shaped rubber rings, and fastening threaded nuts are arranged between the upper and lower opposite mounting holes, the side that O type block rubber is close to the valve clack is equipped with the mounting groove, be equipped with the valve rod in the mounting groove, below the valve rod with valve clack fixed connection, be equipped with the sealing washer below the valve clack.
Compared with the prior art, the utility model has the advantages that: the product perfectly utilizes the advantages of strong corrosion resistance, difficult aging, long service life, good wear resistance, automatic compensation to a certain extent after abrasion and the like of the O-shaped rubber ring, the O-shaped rubber block is connected with the valve body through the plurality of O-shaped rubber rings, so that when the valve clack is impacted by water flow, the valve rod moves upwards, and because the valve rod is only connected with the O-shaped rubber block, the O-shaped rubber block reduces collision for the valve rod due to the self elastic deformation capacity, and further, noise is not generated.
As the improvement, the number of the O-shaped rubber rings is at least 3, so that the O-shaped rubber blocks are connected more stably.
As an improvement, a gap is arranged between the O-shaped rubber ring and the valve cover.
As an improvement, a positioning spring is arranged between one side surface of the valve rod and the valve body, so that the valve rod and the valve clack are prevented from being driven to move when water flows backwards.
The improved structure comprises a valve clack, a water inlet, a water outlet, a water inlet pipe, a water outlet pipe, a water inlet pipe, a water outlet pipe and a water outlet pipe.
Drawings
Fig. 1 is a front view schematically illustrating a noise-muffling check valve according to the present invention.
FIG. 2 is a schematic bottom view of the elastomeric component of a muffling check valve of the present invention.
FIG. 3 is a schematic top view of a muffling check valve of the present invention
As shown in the figure: 1. the valve comprises a valve body, 2, a valve cover, 3, a valve clack, 4, a groove, 5, an outer valve body, 6, an inner valve body, 7, an O-shaped rubber block, 8, an O-shaped rubber ring, 9, a mounting ring, 10, a mounting hole, 11, a fastening threaded nut, 12, a mounting groove, 13, a valve rod, 14, a sealing ring, 15 and a positioning spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With the attached drawings of 1, 2 and 3, the check valve with the noise reduction function comprises a check valve body consisting of a valve body 1, a valve cover 2 and a valve clack 3, wherein the valve body 1 comprises an outer valve body 5 and an inner valve body 6, a plurality of sound absorption cotton 7 are arranged between the outer valve body 5 and the inner valve body 6, the sound absorption cotton improves the noise reduction performance, the outer valve body 5 and the inner valve body 6 are arranged in a hollow mode, the inner side surface of the outer valve body 5 is a non-smooth surface and can offset noise by matching with the sound absorption cotton, the noise reduction performance is further improved, an elastic assembly is arranged in the valve body 1 and above the valve clack 3, the elastic assembly comprises an O-shaped rubber block 7 arranged in the valve body 1 and above the valve clack 3, a plurality of O-shaped rubber rings 8 are arranged at the edges of the O-shaped rubber block 7, one end of the O-shaped rubber block 7, away from the O-shaped rubber block 8, is fixedly connected with the valve body 1, the side is equipped with the collar 9 of fixing O type rubber ring 8 about O type rubber block 7, the last and position in O type rubber block 7 and the coincidence of O type rubber ring 8 department of collar 9 is equipped with mounting hole 10, is equipped with fastening thread nut 11 between the relative mounting hole 10 from top to bottom, the side that O type rubber block 7 is close to valve clack 3 is equipped with mounting groove 12, be equipped with valve rod 13 in the mounting groove 12, with valve clack 3 fixed connection below the valve rod 13, be equipped with sealing washer 14 below the valve clack 3.
The number of the O-shaped rubber rings 8 is at least 3.
A gap is arranged between the O-shaped rubber ring 8 and the valve cover 2, and a certain moving space is reserved for the valve rod.
And a positioning spring 15 is arranged between one side surface of the valve rod 13 and the valve body 1.
The valve clack 3 is cylindrical, the edge circular arc transition above the valve clack 3, the middle end is equipped with recess 4 above the valve clack 3, recess 4 deepens gradually from both ends to middle department's degree of depth.
When the valve is implemented specifically, the product perfectly utilizes the advantages of strong corrosion resistance, difficult aging, long service life, good wear resistance, automatic compensation to a certain extent after abrasion and the like of the O-shaped rubber ring, the O-shaped rubber block is connected with the valve body through the O-shaped rubber rings, so that when the valve clack is impacted by water flow, the valve rod moves upwards, the valve rod is only connected with the O-shaped rubber block, and the O-shaped rubber block reduces collision for the valve rod due to the elastic deformation capacity of the O-shaped rubber block, so that noise is not generated, and the service life is long; when water flows reversely, the water flow is guided to gather on the valve clack due to the arc transition of the edge on the valve clack and the groove on the valve clack, and the valve rod is better driven to press down to close the valve clack through the water impact force of the reverse flow.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (5)
1. The utility model provides a but check valve of amortization, includes the check valve body that valve body (1), valve gap (2), valve clack (3) are constituteed, its characterized in that: the improved sound absorbing valve is characterized in that the valve body (1) comprises an outer valve body (5) and an inner valve body (6), a plurality of sound absorbing cotton is arranged between the outer valve body (5) and the inner valve body (6), the outer valve body (5) and the inner valve body (6) are arranged in a hollow mode, the inner side face of the outer valve body (5) is a non-smooth surface, an elastic assembly is arranged in the valve body (1) and above the valve clack (3), the elastic assembly comprises an O-shaped rubber block (7) arranged in the valve body (1) and above the valve clack (3), a plurality of O-shaped rubber rings (8) are arranged at the edges of the O-shaped rubber block (7), one end, far away from the O-shaped rubber block (7), of the O-shaped rubber ring (8) is fixedly connected with the valve body (1), a mounting ring (9) for fixing the O-shaped rubber ring (8) is arranged on the upper side face and the lower side face of the O-shaped rubber block (7), and a mounting ring (10) which is superposed with the O-shaped rubber block (7) and the O-shaped rubber ring (8) is arranged on the mounting ring (9), be equipped with fastening screw nut (11) between relative mounting hole (10) from top to bottom, O type rubber block (7) are close to the side of valve clack (3) and are equipped with mounting groove (12), be equipped with valve rod (13) in mounting groove (12), below valve rod (13) with valve clack (3) fixed connection, be equipped with sealing washer (14) below valve clack (3).
2. The mufflable check valve of claim 1, wherein: the number of the O-shaped rubber rings (8) is at least 3.
3. The mufflable check valve of claim 1, wherein: a gap is arranged between the O-shaped rubber ring (8) and the valve cover (2).
4. The mufflable check valve of claim 1, wherein: and a positioning spring (15) is arranged between one side surface of the valve rod (13) and the valve body (1).
5. The mufflable check valve of claim 1, wherein: the valve clack (3) are cylindrical, the edge circular arc transition above the valve clack (3), the middle-end is equipped with recess (4) above the valve clack (3), recess (4) deepen gradually from both ends to middle department's degree of depth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122692803.6U CN216306830U (en) | 2021-11-05 | 2021-11-05 | Check valve capable of silencing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122692803.6U CN216306830U (en) | 2021-11-05 | 2021-11-05 | Check valve capable of silencing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216306830U true CN216306830U (en) | 2022-04-15 |
Family
ID=81118009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122692803.6U Active CN216306830U (en) | 2021-11-05 | 2021-11-05 | Check valve capable of silencing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216306830U (en) |
-
2021
- 2021-11-05 CN CN202122692803.6U patent/CN216306830U/en active Active
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| GR01 | Patent grant |