CN217153129U - Noise-reduction buffering check valve - Google Patents
Noise-reduction buffering check valve Download PDFInfo
- Publication number
- CN217153129U CN217153129U CN202221007125.3U CN202221007125U CN217153129U CN 217153129 U CN217153129 U CN 217153129U CN 202221007125 U CN202221007125 U CN 202221007125U CN 217153129 U CN217153129 U CN 217153129U
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- China
- Prior art keywords
- valve
- clack
- buffer
- check valve
- valve clack
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000003139 buffering effect Effects 0.000 title abstract description 13
- 229920000742 Cotton Polymers 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 206010066054 Dysmorphism Diseases 0.000 abstract description 3
- 238000004321 preservation Methods 0.000 description 9
- 239000012530 fluid Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- CNQCVBJFEGMYDW-UHFFFAOYSA-N lawrencium atom Chemical compound [Lr] CNQCVBJFEGMYDW-UHFFFAOYSA-N 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
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- Details Of Valves (AREA)
- Check Valves (AREA)
Abstract
The utility model discloses a noise reduction buffer check valve, which comprises a valve main body, a buffer mechanism and a noise reduction protection mechanism, wherein the buffer mechanism is arranged at the middle end in the valve main body, and the noise reduction protection mechanism is attached to the inner wall of the valve main body; the buffer mechanism includes: the clamping groove frame is arranged at the upper middle end inside the valve main body; the spring is clamped at the upper end of the inside of the slot clamping frame; and the valve clack is arranged below the spring. This buffer check valve of making an uproar falls, when the valve main part was opened suddenly, fluidic impact pressure can increase, dysmorphism buffering frame surface is wavy, thereby effectual adversary cushions, make the impact force that reachs the valve clack weaken, the inlet pressure still is greater than valve clack weight and flow resistance sum this moment, the valve clack begins upwards, receives the effort of spring, the valve clack secondary buffering, the effectual damage that has reduced the valve clack, inhale the effectual noise to the valve main part inside of cotton layer and weaken or even eliminate.
Description
Technical Field
The utility model relates to a check valve technical field specifically is a buffer check valve of making an uproar falls.
Background
The check valve is a valve with a circular valve clack and acts by self weight and medium pressure to block the medium from flowing backwards. It belongs to the automatic valve category, also called check valve, reflux valve or isolation valve. The valve clack motion mode is divided into lifting type and swing type. The lift check valve is similar in structure to the stop valve and only lacks a valve rod that drives the valve flap. The medium flows in from the inlet end (lower side) and flows out from the outlet end (upper side). When the inlet pressure is greater than the sum of the weight of the valve clack and the flow resistance of the valve clack, the valve is opened, otherwise, the valve is closed when the medium flows backwards.
The check valve on the market does not have a good buffering function in use, so when liquid impact pressure is too large, collision damage of the valve clack is easily caused, the service life of the valve clack is reduced, the replacement cost of the check valve is increased, and therefore the noise reduction buffering check valve is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a buffer check valve of making an uproar falls to solve the check valve in use on the market that proposes among the above-mentioned background art and do not have better buffer function, consequently when liquid impact pressure is too big, very easily cause the collision damage of valve clack, reduced the service life of valve clack, thereby increased the replacement cost's of check valve problem.
In order to achieve the above object, the utility model provides a following technical scheme: a noise reduction buffer check valve comprises a valve main body, a buffer mechanism and a noise reduction protection mechanism, wherein the buffer mechanism is arranged at the middle end in the valve main body, and the noise reduction protection mechanism is attached to the inner wall of the valve main body;
the buffer mechanism includes:
the clamping groove frame is arranged at the upper middle end inside the valve main body;
the spring is clamped at the upper end of the inside of the slot clamping frame;
a valve flap disposed below the spring;
the sealing rubber gasket is arranged in the middle of the lower end of the valve clack;
the rubber blocks are fixed on two sides of the lower end of the slot clamping frame;
and the special-shaped buffer frame is attached to the lower end of the valve clack.
Preferably, the valve clack is constructed into an elastic structure through a spring and a clamping groove, and the inner wall of the clamping groove frame is tightly attached to the outer wall of the valve clack.
Preferably, the valve clack and the sealing rubber pad are fixedly connected, and the rubber blocks are symmetrically distributed along the vertical central axis of the valve clack.
Preferably, the valve body comprises:
an outer valve housing provided outside the damper mechanism;
the fixed flange is fixed at the upper end of the middle part of the outer valve shell;
a sealing member attached to an upper end of the fixing flange;
bolts distributed on the upper surface of the sealing member;
the liquid inlet is arranged at the left end of the outer valve shell;
and the liquid outlet is arranged at the right end of the outer valve shell.
Preferably, the sealing element and the fixed flange form a thread structure through bolts, and the fixed flange and the outer valve shell are connected through welding.
Preferably, the noise reduction protection mechanism includes:
the sound absorption cotton layer is arranged on the inner wall of the valve main body;
the heat insulation layer is arranged at the upper end of the sound absorption cotton layer;
and the heat insulation layer is arranged at the upper end of the heat insulation layer.
Preferably, inhale and laminate mutually between cotton layer of sound and the heat preservation, and the thickness is the same between heat preservation and the insulating layer.
Compared with the prior art, the beneficial effects of the utility model are that: this buffer check valve of making an uproar falls, when the valve main part is opened suddenly, fluidic impact pressure can increase, dysmorphism buffering frame surface is the wave form, thereby effectual adversary cushions, make the impact force that reachs the valve clack weaken, the inlet pressure still is greater than valve clack weight and flow resistance sum this moment, the valve clack begins upwards, receive the effort of spring, the valve clack secondary buffering, the effectual damage that has reduced the valve clack, inhale the effectual noise to valve main part inside in sound cotton layer and weaken or even eliminate, the effectual inside temperature of valve main part that maintains of heat preservation, avoid receiving the influence that external temperature crosses low, the setting up of insulating layer is effectual to outside high temperature completely cut off, avoid the too high deformation that leads to of valve main part inside temperature.
Through the setting of valve main part, the sealing member passes through the screw thread structure that bolt and mounting flange constitute and is convenient for the dismantlement of sealing member to can effectually overhaul valve main part inside, welded connection between mounting flange and the outer valve casing has increased the fastening nature between the two, reduces the possibility of separation between mounting flange and the outer valve casing, and inlet and liquid outlet inboard all are provided with the screw thread, are convenient for be connected with the body.
Through buffer gear's setting, when the valve main part is opened suddenly, fluidic impact pressure can increase, dysmorphism buffering frame surface is wavy, thereby effectual adversary cushions, make the impact force that reachs the valve clack weaken, the import pressure still is greater than valve clack weight and flow resistance sum this moment, the valve clack begins upwards, receive the effort of spring, the buffering of valve clack secondary, the effectual damage that reduces the valve clack, the block rubber protects the spring, avoid the valve clack to oppress serious damaged deformation of spring.
Through the setting of the protection machanism that makes an uproar, inhale the effectual noise to valve main part inside in the cotton layer of sound and weaken or even eliminate, noise abatement pollutes, and the effectual inside temperature of valve main part that maintains of heat preservation avoids receiving the influence that external temperature crosses low excessively, reduces the emergence of frost crack phenomenon, and the setting of insulating layer is effectual to completely cut off outside high temperature, avoids the high deformation that leads to of valve main part internal temperature.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is the utility model discloses the protection machanism section structure sketch map of making an uproar falls.
In the figure: 1. a valve body; 101. an outer valve housing; 102. a fixed flange; 103. a seal member; 104. a bolt; 105. a liquid inlet; 106. a liquid outlet; 2. a buffer mechanism; 201. a slot clamping frame; 202. a spring; 203. a valve clack; 204. sealing the rubber gasket; 205. a rubber block; 206. a special-shaped buffer frame; 3. a noise reduction protection mechanism; 301. a sound absorbing cotton layer; 302. a heat-insulating layer; 303. an insulating layer.
Detailed Description
As shown in fig. 1, a noise reducing cushion check valve includes: valve main part 1, valve main part 1 includes: an outer valve casing 101 provided outside the damper mechanism 2; a fixing flange 102 fixed to an upper end of a middle portion of the outer valve case 101; a sealing member 103 attached to an upper end of the fixing flange 102; bolts 104 distributed on the upper surface of the seal 103; an inlet port 105 provided at the left end of the outer valve casing 101; liquid outlet 106, it sets up in outer valve casing 101's right-hand member, sealing member 103 passes through bolt 104 and fixed flange 102 constitutes the helicitic texture, and be welded connection between fixed flange 102 and the outer valve casing 101, the helicitic texture that sealing member 103 passes through bolt 104 and fixed flange 102 constitutes is convenient for the dismantlement of sealing member 103, thereby can effectually overhaul valve main part 1 inside, welded connection between fixed flange 102 and the outer valve casing 101 has increased the fastening nature between the two, reduce the possibility of separation between fixed flange 102 and the outer valve casing 101, inlet 105 all is provided with the screw thread with liquid outlet 106 inboard, be convenient for be connected with the body.
As shown in fig. 2, a buffer check valve of making an uproar falls, the inside middle-end of valve main part 1 is provided with buffer gear 2, and the inner wall laminating of valve main part 1 has the protection machanism 3 of making an uproar to fall, and buffer gear 2 includes: a slot frame 201 which is arranged at the upper middle end inside the valve main body 1; a spring 202 engaged with an inner upper end of the slot frame 201; a valve flap 203 disposed below the spring 202; a sealing rubber gasket 204 arranged in the middle of the lower end of the valve clack 203; rubber blocks 205 fixed to both sides of the lower end of the slot frame 201; the special-shaped buffer frame 206 is attached to the lower end of the valve clack 203, the valve clack 203 forms an elastic structure with the clamping groove frame 201 through the spring 202, the inner wall of the clamping groove frame 201 is tightly attached to the outer wall of the valve clack 203, the valve clack 203 is fixedly connected with the sealing rubber pad 204, the rubber blocks 205 are symmetrically distributed along the vertical central axis of the valve clack 203, when the valve body 1 is opened suddenly, the impact pressure of fluid can be increased, the surface of the special-shaped buffer frame 206 is wavy, thereby effectively buffering the fluid, the impact force reaching the valve clack 203 is weakened, the inlet pressure is still greater than the sum of the weight of the valve clack 203 and the flow resistance thereof, the valve clack 203 starts to move upwards, the acting force of the spring 202 is received, the secondary buffering of the valve clack 203 is realized, the damage of the valve clack 203 is effectively reduced, the rubber blocks 205 protect the spring 202, and the damage and deformation of the spring 202 are avoided from being seriously pressed.
As shown in fig. 3, a noise reduction buffer check valve, the noise reduction prevention mechanism 3 includes: a sound absorbing cotton layer 301 provided on the inner wall of the valve body 1; an insulating layer 302 provided on the upper end of the sound absorbing cotton layer 301; insulating layer 303, it sets up in the upper end of heat preservation 302, inhale and laminate mutually between cotton layer 301 of sound and the heat preservation 302, and thickness is the same between heat preservation 302 and the insulating layer 303, inhale the cotton layer 301 effectual noise to 1 inside of valve main part and weaken or even eliminate, noise abatement pollutes, the effectual temperature of maintaining 1 inside of valve main part of heat preservation 302, avoid receiving the influence that the external temperature crosses low, reduce the emergence of frost crack phenomenon, the setting of insulating layer 303 is effectual to isolated outside high temperature, avoid the high deformation that leads to of 1 inside temperature of valve main part.
To sum up, the noise reduction buffer check valve, firstly, the sealing element 103 is convenient to detach through the thread structure formed by the bolt 104 and the fixing flange 102, so as to overhaul the inside of the valve main body 1, the welding connection between the fixing flange 102 and the outer valve shell 101 increases the tightness between the fixing flange 102 and the outer valve shell 101, the inner sides of the liquid inlet 105 and the liquid outlet 106 are both provided with threads, so as to be convenient to connect with a pipe body, when the valve main body 1 is suddenly opened, the impact pressure of fluid can be increased, the surface of the special-shaped buffer frame 206 is wavy, so as to buffer the fluid, the impact force reaching the valve flap 203 is weakened, at the moment, the inlet pressure is still larger than the sum of the weight and the flow resistance of the valve flap 203, the valve flap 203 starts to move upwards, the acting force of the spring 202 is applied, the valve flap 203 performs secondary buffering, the damage of the valve flap 203 is reduced, the rubber block 205 protects the spring 202, and avoids the valve flap 203 from pressing the serious damage and deformation of the spring 202, inhale cotton layer 301 of sound and weaken or even eliminate the inside noise of valve main part 1, noise abatement pollution, heat preservation 302 maintains the inside temperature of valve main part 1, avoids receiving the influence that external temperature crosses low excessively, reduces the emergence of frost crack phenomenon, and the setting of insulating layer 303 is completely cut off outside high temperature, avoids the high deformation that leads to of the inside temperature of valve main part 1.
Claims (7)
1. The utility model provides a buffer check valve of making an uproar falls, includes valve main part (1), buffer gear (2) and falls the protection machanism (3) of making an uproar, its characterized in that: a buffer mechanism (2) is arranged at the middle end in the valve main body (1), and a noise reduction protection mechanism (3) is attached to the inner wall of the valve main body (1);
the buffer mechanism (2) includes:
the clamping groove frame (201) is arranged at the upper middle end inside the valve main body (1);
a spring (202) engaged with the upper end of the inside of the slot frame (201);
a valve flap (203) disposed below the spring (202);
the sealing rubber gasket (204) is arranged in the middle of the lower end of the valve clack (203);
rubber blocks (205) fixed to both sides of the lower end of the slot clamping frame (201);
and the special-shaped buffer frame (206) is attached to the lower end of the valve clack (203).
2. A noise reducing cushion check valve as defined in claim 1, wherein: the valve clack (203) forms an elastic structure with the clamping groove frame (201) through the spring (202), and the inner wall of the clamping groove frame (201) is tightly attached to the outer wall of the valve clack (203).
3. A noise reducing cushion check valve as defined in claim 1, wherein: the valve clack (203) is fixedly connected with the sealing rubber pad (204), and the rubber blocks (205) are symmetrically distributed along the vertical central axis of the valve clack (203).
4. A noise reducing cushion check valve as defined in claim 1, wherein: the valve body (1) comprises:
an outer valve casing (101) provided outside the damper mechanism (2);
a fixing flange (102) fixed to the middle upper end of the outer valve casing (101);
a sealing member (103) attached to an upper end of the fixing flange (102);
bolts (104) distributed on an upper surface of the seal (103);
an inlet (105) provided at a left end of the outer valve housing (101);
and a liquid outlet (106) which is arranged at the right end of the outer valve casing (101).
5. The noise reducing cushion check valve of claim 4, wherein: the sealing element (103) and the fixing flange (102) form a thread structure through a bolt (104), and the fixing flange (102) is connected with the outer valve shell (101) in a welding mode.
6. A noise reducing cushion check valve as defined in claim 1, wherein: the noise reduction protection mechanism (3) comprises:
a sound absorbing cotton layer (301) provided on the inner wall of the valve body (1);
an insulating layer (302) provided at the upper end of the sound absorbing cotton layer (301);
and the heat insulation layer (303) is arranged at the upper end of the heat insulation layer (302).
7. A noise reducing cushion check valve as defined in claim 6, wherein: the sound absorption cotton layer (301) is attached to the heat insulation layer (302), and the heat insulation layer (302) and the heat insulation layer (303) are the same in thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221007125.3U CN217153129U (en) | 2022-04-27 | 2022-04-27 | Noise-reduction buffering check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221007125.3U CN217153129U (en) | 2022-04-27 | 2022-04-27 | Noise-reduction buffering check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217153129U true CN217153129U (en) | 2022-08-09 |
Family
ID=82663246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221007125.3U Expired - Fee Related CN217153129U (en) | 2022-04-27 | 2022-04-27 | Noise-reduction buffering check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217153129U (en) |
-
2022
- 2022-04-27 CN CN202221007125.3U patent/CN217153129U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220809 |