CN213088839U - High-performance low-noise silencing check valve - Google Patents
High-performance low-noise silencing check valve Download PDFInfo
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- CN213088839U CN213088839U CN202021895530.4U CN202021895530U CN213088839U CN 213088839 U CN213088839 U CN 213088839U CN 202021895530 U CN202021895530 U CN 202021895530U CN 213088839 U CN213088839 U CN 213088839U
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Abstract
The utility model discloses a high performance low noise elimination check valve belongs to check valve technical field, which comprises a valve body, the rubber sleeve is installed to the valve body lateral wall, the medium entry is installed to valve body one side. When fluid enters a medium inlet, when the valve rod is under pressure, one end of the valve rod can support the spring, the spring is contracted, the valve clack can be separated from the fixed seat a together with the valve rod, one end of the spring can eject the valve block out through the connecting rod and separate from the fixed seat b, the fluid can separate along the medium outlet, when the fluid flows in the reverse direction, the spring starts to extend to return to the original position, the spring can pull the valve block to return to the original position through the connecting rod, the spring can push the valve rod to the original position, at the moment, the valve rod drives the valve clack to return to the fixed seat a, so that the flow is cut off, the spring can be conveniently detached and replaced through the connecting rod and the threaded connection of the valve block, and the noise generated by the high-performance low-noise.
Description
Technical Field
The utility model relates to a check valve technical field especially relates to a high performance low noise elimination check valve.
Background
The check valve of this type only allows the medium to flow to a direction, and prevent the opposite direction flow, usually this kind of valve is automatic work, under the fluid pressure effect that a direction flows, the valve clack is opened, when fluid flows in the opposite direction, by fluid pressure and the dead weight of valve clack close the valve clack and act on the disk seat, thereby cut off the flow, but the check valve among the prior art is in the in-process of using, because the friction appears between liquid and the valve body inside and drive the valve body vibrations to take place, and the valve body will be given vibrations and transmit outside pipeline, and then make the noise of valve body grow, very influence the normal work of operating personnel on every side, therefore the prior art can't satisfy people's user demand.
Patent number CN201921708267.0 discloses a high performance low noise elimination check valve, including the thick pipe, the cavity has all been seted up to the left and right sides of thick pipe, the inside of cavity is equipped with the connecting rod, the upper and lower all of connecting rod is connected with the flange, the clamp has first rubber pad between flange and the thick pipe. This high performance low noise elimination check valve, through the flange, the thick pipe, the cooperation between threaded rod and the screwed pipe, make this high performance low noise elimination check valve can carry out the split, and in the effect of first rubber pad, can avoid the thick pipe vibrations to drive the flange vibrations, consequently this high performance low noise elimination check valve's vibrations can not drive external pipeline vibrations, the sound of avoiding vibrations is propagated through external pipeline, great reduction the noise that this high performance low noise elimination check valve produced, this high performance low noise elimination check valve operation is effectual, the practicality is stronger, avoid because the normal operation of the external operation personnel of check valve vibrations sound production influence.
The silencing check valve of the above-mentioned technology has the following disadvantages: 1. the device has too few silencing structures and poor silencing effect; 2. the device is too complicated, and is with high costs, is not fit for promoting, for this reason, we propose a high performance low noise elimination check valve.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high performance low noise elimination check valve, when using high performance low noise elimination check valve, the user links together connecting rod and valve block through threaded connection earlier, put down the valve block along fixing base b, until valve clack and fixing base a meet, when fluid gets into the medium entry, under the fluid pressure effect of a direction flow, when the valve rod receives pressure, one end of valve rod can be to the withstand spring, make the spring shrink, the valve clack can leave fixing base a with the valve rod, because the spring begins to shrink, one end of spring can be through the connecting rod valve block ejecting, leave fixing base b, fluid can leave along the medium export like this, when fluid takes place the reverse direction flow, by fluid backpressure, the spring begins to extend and gets back to the normal position, at this moment the spring can be through the connecting rod pulling valve block gets back to the normal position, and the spring can push up the valve rod and can the normal position, at the moment, the valve rod drives the valve clack to return to the fixed seat a, thereby cutting off the flow, the noise elimination check valve has the advantages that the noise elimination check valve can effectively prevent the medium from flowing back, the medium enters through the medium inlet, the medium pressure bounces the spring, the valve rod drives the valve clack to separate from the valve seat a, when the medium is in the reverse direction, the medium pressure and the spring elasticity act on the valve seat a, thereby cutting off the flow, the valve clack falls back to the valve seat a, then the medium pressure in the valve body ejects the valve block out of the valve seat b through the connecting rod, when the medium is in the reverse direction, the medium pressure and the spring elasticity act on the valve seat a, thereby cutting off the flow, the valve block is pulled back to the original position to be tightly contacted with the valve seat b, thereby achieving the purpose of secondary prevention of medium backflow, the noise elimination check valve is simple and, because the friction appears between liquid and the valve body is inside and drive the valve body vibrations and take place, and the valve body can will shake the transmission and give external pipeline, and then make the noise grow of valve body, the rubber sleeve that installs in the valve body outside and the inside cotton of inhaling of filling of rubber sleeve can absorb most noise, great reduction the noise that this high performance low noise elimination check valve produced, such benefit is that this high performance low noise elimination check valve operation is effectual, the practicality is stronger, avoid influencing external operation personnel normal work because the check valve shakes the sound production, can be better satisfy people's use needs.
The utility model provides a specific technical scheme as follows:
the utility model provides a pair of high performance low noise elimination check valve, which comprises a valve body, the rubber sleeve is installed to the valve body lateral wall, the medium entry is installed to valve body one side, medium entry internally mounted has disk seat an, just disk seat a both sides fixed connection valve body, disk seat a lateral wall threaded connection valve rod, just the valve rod extends to disk seat a's outside, the valve clack is installed to the valve rod lateral wall, coupling spring can be dismantled to valve rod one end, spring one end fixed connection connecting rod, connecting rod one end threaded connection valve block, valve block lateral wall through connection disk seat b, just disk seat b both sides fixed connection valve body, the medium export is installed to the valve body opposite side.
Optionally, sound-absorbing cotton is placed inside the rubber sleeve.
Optionally, a slide way is arranged at the joint of the valve seat b and the valve block.
Optionally, a slide way is arranged at the joint of the valve rod and the valve seat a.
Optionally, one end of the connecting rod is provided with a thread, and the bottom of the valve block is provided with a threaded hole.
The utility model has the advantages as follows:
the embodiment of the utility model provides a high performance low noise elimination check valve:
1. the utility model discloses a valve clack that, a spring, disk seat a, the valve piece, the valve rod, disk seat b and connecting rod, when using high performance low noise elimination check valve, the user links together connecting rod and valve piece through threaded connection earlier, put down the valve piece along fixing base b, until the valve clack meets with fixing base a, when fluid gets into the medium entry, under the fluid pressure effect of a direction flow, when the valve rod receives pressure, one end of valve rod can be to the withstand spring, make the spring shrink, the valve clack can leave fixing base a with the valve rod, because the spring begins to shrink, spring one end can be through the connecting rod to the valve piece ejecting, leave fixing base b, so fluid can leave along the medium export, when fluid takes place the reverse direction flow, by fluid backpressure, the spring begins to extend and gets back to the normal position, at this moment the spring can get back to the normal position through the connecting rod pulling, and the spring will push the valve stem to the original position, at this moment the valve stem drives the valve clack to return to the fixed seat a, thus cut off the flow, the benefit is that this noise elimination check valve can prevent the medium from flowing backward effectively, the medium enters through the medium entrance, the medium pressure bounces the spring, the valve stem drives the valve clack to separate from valve seat a, when the medium is in the opposite direction, because medium pressure and spring force act on valve seat a, thus cut off the flow, the valve clack falls back to valve seat a, then the medium pressure in the valve block pushes the valve block out through the connecting rod and leaves valve seat b, when the medium is in the opposite direction, because medium pressure and spring force act on valve seat a, thus cut off the flow, the valve block is pulled back to the original position and is contacted with valve seat b closely, achieve the purpose of preventing the medium from flowing backward, it is simple, the connecting rod and the valve block are in threaded connection, so that the spring is convenient to disassemble and replace.
2. The utility model discloses a valve body and rubber sleeve, because the friction appears between liquid and the valve body is inside and drive the valve body vibrations and take place, and the valve body can will shake the transmission and give external pipeline, and then make the noise grow of valve body, the rubber pad that the valve body outside was installed and the inside cotton of inhaling of filling of rubber pad can absorb most noise, great reduction the noise that this high performance low noise elimination check valve produced, such benefit is that this high performance low noise elimination check valve operation is effectual, the practicality is stronger, avoid influencing external operation personnel normal operating because the check valve shakes the sound production, can be better satisfy people's use needs.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of a high-performance low-noise silencing check valve according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a valve rod of the high-performance low-noise silencing check valve according to the embodiment of the present invention.
In the figure: 1. a valve body; 2. a rubber sleeve; 3. a valve flap; 4. a spring; 5. a valve seat a; 6. a valve block; 7. a valve stem; 8. a valve seat b; 9. a media inlet; 10. a media outlet; 11. a connecting rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A high-performance low-noise silencing check valve according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 2.
Referring to fig. 1-2, the embodiment of the utility model provides a pair of high performance low noise elimination check valve, including valve body 1, rubber sleeve 2 is installed to 1 lateral wall of valve body, medium entry 9 is installed to 1 one side of valve body, 9 internally mounted of medium entry have disk seat a5, just disk seat a5 both sides fixed connection valve body 1, disk seat a5 lateral wall threaded connection valve rod 7, just valve rod 7 extends to disk seat a 5's outside, valve rod 7 lateral wall is installed valve clack 3, coupling spring 4 can be dismantled to valve rod 7 one end, spring 4 one end fixed connection connecting rod 11, connecting rod 11 one end threaded connection valve block 6, valve block 6 lateral wall through connection disk seat b8, just disk seat b8 both sides fixed connection valve body 1, medium export 10 is installed to valve body 1 opposite side.
For example, when fluid enters the medium inlet 9 and the valve rod 7 is under pressure under the action of fluid pressure flowing in one direction, one end of the valve rod 7 will abut against the spring 4, so that the spring 4 contracts, the valve flap 3 and the valve rod 7 leave the fixed seat a5, as the spring 4 begins to contract, one end of the spring 4 will push out the valve block 6 through the connecting rod 11 and leave the fixed seat b8, so that the fluid will leave along the medium outlet 10, as the fluid flows in the opposite direction, the spring 4 begins to extend back to the original position by the fluid reverse pressure, at this time, the spring 4 will pull the valve block 6 back to the original position through the connecting rod 11, and the spring 4 will push up the valve rod 7 to the original position, at this time, the valve rod 7 will drive the valve flap 3 back to the fixed seat a5, thereby cutting off the flow, as the fluid and the valve body 1 vibrates due to the friction between the fluid and the inside of the valve body 1, the rubber sleeve 2 installed outside of the valve Noise generated by the return valve.
Referring to fig. 1, sound-absorbing cotton is placed inside the rubber sleeve 2.
For example, better noise absorption.
Referring to fig. 1, a slide way is arranged at the joint of the valve seat b8 and the valve block 6.
Illustratively, the valve block 6 is facilitated to be away from the valve seat b 8.
Referring to fig. 1, a slide way is arranged at the joint of the valve rod 7 and the valve seat a 5.
Illustratively, the valve stem 7 is facilitated to be separated from the valve seat a 5.
Referring to fig. 1 and 2, one end of the connecting rod 11 is provided with a thread, and the bottom of the valve block 6 is provided with a threaded hole.
Illustratively, easy removal and replacement.
When the high-performance low-noise silencing check valve is used, the connecting rod 11 is connected with the valve block 6 through threaded connection, the valve block 6 is put down along the fixed seat b8 until the connection part of the valve clack 3 and the fixed seat a5 is reached, when fluid enters the medium inlet 9, under the action of fluid pressure flowing in one direction, the valve rod 7 is under pressure, one end of the valve rod 7 is propped against the spring 4, the spring 4 contracts, the valve clack 3 and the valve rod 7 leave the fixed seat a5, because the spring 4 begins to contract, one end of the spring 4 is propped out of the valve block 6 through the connecting rod 11 and leaves the fixed seat b8, so that the fluid leaves along the medium outlet 10, when the fluid flows in the opposite direction, the spring 4 begins to extend back to the original position through the fluid reverse pressure, at the moment, the spring 4 pulls the valve block 6 back to the original position through the connecting rod 11, and the spring 4 props up the, at this time, the valve rod 7 drives the valve flap 3 to return to the fixing seat a5, thereby cutting off the flow, the sound-deadening check valve has the advantages that the back flow of the medium can be effectively prevented, the medium enters through the medium inlet 9, the spring 4 is bounced by the medium pressure, the valve rod 7 drives the valve flap 3 to separate from the valve seat a5, when the medium is in the reverse direction, the medium pressure and the elastic force of the spring 4 act on the valve seat a5, thereby cutting off the flow, the valve flap 3 falls back to the valve seat a5, then the medium pressure in the valve body 1 ejects the valve block 6 out through the connecting rod 11 to leave the valve seat b8, when the medium is in the reverse direction, the medium pressure and the elastic force of the spring 4 act on the valve seat a5, thereby cutting off the flow, the valve block 6 is pulled back to be in close contact with the valve seat b8, thereby achieving the purpose of preventing the back, accessible connecting rod 11 and 6 threaded connection of valve block convenient to detach and change spring 4, it takes place to drive the vibrations of valve body 1 because the friction appears between liquid and the valve body 1 is inside, and valve body 1 can transmit the vibrations for external pipeline, and then make the noise grow of valve body 1, rubber sleeve 2 that the valve body 1 outside was installed and the sound cotton of inhaling of the inside packing of rubber sleeve 2 can absorb most noises, great reduction the noise that this high performance low noise elimination check valve produced, such benefit is that this high performance low noise elimination check valve operation is effectual, the practicality is stronger, avoid influencing external operation personnel normal operating because the check valve vibrations sound production, can be better satisfy people's user demand.
It should be noted that the utility model relates to a high-performance low-noise silencing check valve, which comprises a valve body 1; 2. a rubber sleeve; 3. a valve flap; 4. a spring; 5. a valve seat a; 6. a valve block; 7. a valve stem; 8. a valve seat b; 9. a media inlet; 10. a media outlet; 11. the connecting rods, the parts are all universal standard parts or parts known to those skilled in the art, and the structure and principle of the connecting rods are known to those skilled in the art through technical manuals or through routine experiments.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. A high-performance low-noise silencing check valve, comprising a valve body 1, which is characterized in that a rubber sleeve is mounted on the outer side wall of the valve body 1, a medium inlet 9 is mounted on one side of the valve body 1, a valve seat a5 is mounted in the medium inlet 9, the valve seat a5 is fixedly connected to both sides of the valve seat a5, the outer side wall of the valve seat a5 is in threaded connection with a valve stem 7, the valve stem 7 extends to the outside of the valve seat a5, the outer side wall of the valve stem 7 is mounted with a valve flap 3, one end of the valve stem 7 is detachably connected to the spring 4, the valve seat is connected to one end of the fixed valve seat a 11, and the valve seat a 6 is connected to both sides of the valve seat a fixed valve seat a 6, a medium outlet (10) is arranged on the other side of the valve body (1).
2. The check valve of claim 1, wherein sound-absorbing cotton is placed in the rubber sleeve (2).
3. The high-performance low-noise silencing check valve according to claim 1, wherein a slide is arranged at the connection of the valve seat b (8) and the valve block (6).
4. The high-performance low-noise silencing check valve according to claim 1, wherein a slide is arranged at the connection of the valve stem (7) and the valve seat a (5).
5. The high-performance low-noise silencing check valve according to claim 1, wherein one end of the connecting rod (11) is provided with a screw thread, and the bottom of the valve block (6) is provided with a screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021895530.4U CN213088839U (en) | 2020-09-03 | 2020-09-03 | High-performance low-noise silencing check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021895530.4U CN213088839U (en) | 2020-09-03 | 2020-09-03 | High-performance low-noise silencing check valve |
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| Publication Number | Publication Date |
|---|---|
| CN213088839U true CN213088839U (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021895530.4U Active CN213088839U (en) | 2020-09-03 | 2020-09-03 | High-performance low-noise silencing check valve |
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| CN (1) | CN213088839U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115251534A (en) * | 2022-08-11 | 2022-11-01 | 衡阳骐盛科技发展有限公司 | Ventilated shoe pad and shoe |
-
2020
- 2020-09-03 CN CN202021895530.4U patent/CN213088839U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115251534A (en) * | 2022-08-11 | 2022-11-01 | 衡阳骐盛科技发展有限公司 | Ventilated shoe pad and shoe |
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