CN208778790U - A kind of flow control valve and gas heater - Google Patents
A kind of flow control valve and gas heater Download PDFInfo
- Publication number
- CN208778790U CN208778790U CN201821435862.7U CN201821435862U CN208778790U CN 208778790 U CN208778790 U CN 208778790U CN 201821435862 U CN201821435862 U CN 201821435862U CN 208778790 U CN208778790 U CN 208778790U
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- compression spring
- spring seat
- valve body
- flow control
- spool
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Abstract
The utility model provides a kind of flow control valve and gas heater, and wherein flow control valve includes valve body, spool, spring, compression spring seat；The spool is movably arranged in the valve body, the compression spring seat is connected to the outside of the spool, the inner wall of the periphery and the valve body of the compression spring seat is slidably matched, and the spring pocket is set to the outside of the spool and is resisted against between the inside of the valve body and the compression spring seat；It further include elastic washer, the elastic washer is set to the inside of valve body, and the elastic washer is located at the front of the compression spring seat and the shake for buffering the compression spring seat along water (flow) direction.By the way that elastic washer is arranged in valve body, so that when compression spring seat moves simultaneously contact resilient washer along water (flow) direction, the transient pressure that is applied on compression spring seat of water flow of asthma stream will not clearly pass to spring, and it is excessive to efficiently control spring shake, to reduce noise.
Description
Technical field
The utility model relates to a kind of flow control valve and gas heaters.
Background technique
With society the continuous improvement being constantly progressive with living standard, people for life comfort pursuit increasingly
It is high.User is frequently present of such problems when using gas heater: because of the variation of intake pressure, causing water flow unstable
It is fixed, it is suddenly big or suddenly small so as to cause leaving water temperature, influence the bathing of normal temperature.Therefore, water would generally be housed in gas heater
Flow control valve.Fig. 1 provides a kind of water flow control valve, including valve body S1, spool S2, spring S3 and compression spring seat S4, valve
Body S1 is equipped with valve body water outlet S101, and spool S2 is equipped with the spool water outlet S201 and water inlet S202 communicated, and spool S2 can live
It being set in valve body S1 dynamicly, the valve body water outlet S101 of spool water outlet S201 and valve body S1 of spool S2 is opposite and is connected to, by
Pressing spring seat S4 is connected to the outside of spool S2, and the inner wall of the periphery and valve body S1 of compression spring seat S4 is slidably matched, spring S3
It is sheathed on the outside of spool S2 and is resisted against between the inside of valve body S1 and compression spring seat S4.Above-mentioned water flow control valve makes
Used time, when compression spring seat S4 is by water impact, the water outlet S202 of compression spring seat S4 and spool S2 towards valve body S1 are moved
Dynamic, spring S3 is compressed, the connection bore between the spool water outlet S201 of the valve body water outlet S101 and spool S2 of valve body S1
(can also be expressed with connected volume or connection area) is reduced；When water flow hydraulic pressure is reduced, spring S3 stretches, compression spring seat S4
Mobile backwards to the valve body water outlet S101 of valve body S1 with spool S2, the valve body water outlet S101 and the spool of spool S2 of valve body S1 goes out
Connection bore between the S201 of the mouth of a river increases.Above-mentioned water flow control valve utilizes spool S2, spring S3, compression spring seat S4 and valve body
The fit structure of S1 can change the spool of the valve body water outlet S101 and spool S2 of automatic adjustment valve body S1 according to external water pressure
Connection bore between water outlet S201, plays the role of current stabilization and current limliting.
The water flow of water inlet is a kind of asthma fluid under normal conditions, is impacted on compression spring seat, so that spring is being trembled always
It is dynamic, cause the phenomenon that noise is big.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of flow control valves, can efficiently solve the prior art
The middle flow control valve larger problem of noise at work.
In order to solve the above technical problems, the utility model uses following technical scheme:
A kind of flow control valve, including valve body, spool, spring, compression spring seat；The spool is movably arranged at described
In valve body, the compression spring seat is connected to the outside of the spool, and the periphery of the compression spring seat is interior with the valve body
Wall is slidably matched, the spring pocket be set to the spool outside and be resisted against the valve body inside and the compression spring seat
Between；It further include elastic washer, the elastic washer is set to the inside of valve body, and the elastic washer is located at described along water (flow) direction
The front of compression spring seat and the shake for being used to buffer the compression spring seat.
Compared with the existing technology, flow control valve provided by the utility model has following technical effect: by valve
Setting elastic washer in vivo, elastic washer are located at the front of pressing spring seat along water (flow) direction and are used to buffer trembling for compression spring seat
It is dynamic, so that the water flow for breathing heavily stream is applied to compression spring seat when compression spring seat moves simultaneously contact resilient washer along water (flow) direction
On transient pressure will not clearly pass to spring, efficiently control spring shake it is excessive, to reduce noise.
Further, the elastic washer is equipped with the fixed part and buffer part for being in axial direction located at both ends, the elasticity
The inner sidewall and lateral wall of washer are equipped with the loop buffer slot between fixed part and buffer part, and the fixed part is connected to
The inside of the valve body, the buffer part are used to buffer the shake of the compression spring seat.
Further, it is provided with gasket groove on the inside of the valve body, the fixed part of the elastic washer is embedded in the washer
In slot, the buffer part protrudes from the gasket groove.
Further, the buffer part part is located in the gasket groove.
Further, the radial width of the buffer part is less than the radial groove width of the gasket groove.
It further, is interference fit between the fixed part and the gasket groove, the elastic washer is in axial direction
At least one gas vent being arranged.
Further, the elastic washer is rubber ring.
Further, the elastic washer is compression spring.
It further, further include retaining ring；The outside of the spool is equipped with card slot, the compression spring seat and the shield ring sleeve
It is placed on the outside of the spool in the card slot, the both ends of the retaining ring are resisted against the compression spring seat and the card
Between the inner wall of slot.
The utility model also provides a kind of gas heater, uses any of the above-described kind of flow control valve.
Detailed description of the invention
Fig. 1 is the structure sectional view of flow control valve in the prior art；
Fig. 2 is the structure sectional view of one embodiment of flow control valve provided by the utility model；
Fig. 3 is the structure sectional view of valve body shown in Fig. 2；
Fig. 4 is the structural schematic diagram of elastic washer shown in Fig. 2；
Fig. 5 is the schematic cross-sectional view of elastic washer shown in Fig. 2.
In above-mentioned each figure, appended drawing reference and corresponding component names are as follows:
S1- valve body, S2- spool S3- spring, S4 compression spring seat, S101 valve body water outlet, S201 spool water outlet,
S202 water inlet, 1- valve body, 2- spring base, 3- spring, 4- compression spring seat, 5- retaining ring, 6- spool, 61- card slot, 7- elasticity
Washer, 101- positioning table, 102- gasket groove, 701- fixed feet, 702- dashpot, 703- buffer head, 704- gas vent.
Specific embodiment
In order to keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with the utility model reality
The attached drawing in example is applied, technical solution in the embodiment of the present invention is explicitly described, it is clear that described embodiment is this
A part of the embodiment of utility model, rather than whole embodiments.Based on the embodiments of the present invention, this field common technique
Every other embodiment obtained belongs to the model that the utility model is protected to personnel without making creative work
It encloses.
As shown in Figure 2 and Figure 3, the flow control valve of the embodiment includes valve body 1, spool 6, spring 3, compression spring seat
4。
Spool 6 is movably arranged in the valve body 1, and compression spring seat 4 is connected to the outside of spool 6, compression spring seat 4
The inner wall of periphery and valve body 1 be slidably matched, spring 3 is set in the outside of spool 6 and is resisted against inside and the compression bullet of valve body 1
Between spring abutment 4.
The inside of valve body 6 is additionally provided with elastic washer 7, before elastic washer 7 is located at compression spring seat 4 along water (flow) direction
Side and the shake for being used to buffer compression spring seat 4.
Above-mentioned flow control valve, by the way that elastic washer 7 is arranged in valve body, elastic washer 7 is located at pressure bullet along water (flow) direction
The front of spring abutment 4 and the shake for being used to buffer compression spring seat 4, so that when compression spring seat 4 is moved and contacted along water (flow) direction
When elastic washer 7, spring 3 will not clearly be passed to by breathing heavily the transient pressure that the water flow of stream is applied on compression spring seat 4, be had
Effect ground control spring 3 shake it is excessive, to reduce noise.
Elastic washer 7 can be rubber ring or compression spring；In the present embodiment, it is preferable that elastic washer 7 is rubber ring.
As shown in Figure 4,5, elastic washer 7 is equipped with the fixed part 701 and buffer part 703 for being in axial direction located at both ends, bullet
Property washer 7 inner sidewall and lateral wall be equipped with the loop buffer slot 702 between fixed part 701 and buffer part 703, it is fixed
Portion 701 is connected to the inside of valve body 1, and buffer part 703 is used to buffer the shake of compression spring seat 4.The program passes through elastic washer 7
Inner sidewall and lateral wall in the middle part of be equipped with loop buffer slot 702 so that buffer part 703 touches the mobile punching of compression spring seat 4
When hitting, it can have enough geometric distortions and be pressurized, sufficiently alleviate and fall 4 pressure applied of compression spring seat, further effectively
Ground reduces noise；Meanwhile the service life of elastic washer 7 can be improved.
Gasket groove 102 is provided on the inside of valve body 1, the fixed part 701 of elastic washer 7 is embedded in gasket groove 102, buffering
Portion 703 protrudes from the gasket groove 102.The specific mounting structure of gasket groove 102 of the program.
Further, 703 part of buffer part is located in the gasket groove 102.The program can buffer part 703 with by
In the contact process of pressing spring seat 4, it is ensured that buffer part 703 deforms in the gasket groove 102, so that buffering compression spring seat 4
Mobile impact it is more stable, be conducive to reduce noise.
Further, the radial width of buffer part 703 is less than the radial groove width of gasket groove 102.The program makes buffer part
703 there are more geometric distortions to be pressurized, and be conducive to reduce noise.
As shown in Fig. 2, being interference fit between the fixed part 701 and gasket groove 102 of elastic washer 7, to reach elastic cushion
Circle 7 is not easy the effect to fall off out of gasket groove 102 under the working condition hit and shaken.
For the ease of assembling elastic washer 7, elastic washer 7 is equipped at least one gas vent 704 being in axial direction arranged,
To discharge air during elastic washer 7 is extruded between elastic washer 7 and gasket groove 102, elastic washer 7 is avoided to install
Not in place and air pressure is uneven.The quantity of gas vent 704 is greater than 2, and gas vent 704 is equably on elastic washer 7.
Above-mentioned flow control valve further includes limit spring seat 2；The inside of valve body 1 is equipped with positioning table 101, limit spring seat 2
The outside that spool 1 can be actively sheathed on relatively is placed in positioning table 101, and spring 3 is resisted against limit spring seat 2 and compression spring
Between seat 4.The specific setting structure being resisted against this solution provides spring 3 between the inside of valve body 1 and compression spring seat 4.
Above-mentioned flow control valve further includes retaining ring 5；The outside of spool 6 be equipped with card slot 61, compression spring seat 4 with 5 sets of retaining ring
It is placed in card slot 61 set on the outside of spool 6, the both ends of retaining ring 5 are resisted against between compression spring seat 4 and card slot 61.The program
By retaining ring 5, compression spring seat 4 is located in card slot 61 relatively fixedly, prevents compression spring seat 4 from falling off from spool 6.
Spring 3 is using memory spring made of memorial alloy.This kind of spring has shape memory function, varying environment temperature
There is down different coefficient of elasticity, therefore different rates of discharge can be obtained according to the temperature of fluid, realize under different temperatures
The purpose of different flow values.
The specific workflow of flow control valve in the present embodiment are as follows:
As shown in Fig. 2, water jet propulsion compression spring seat 4 is moved along water (flow) direction, and then compression spring according to water (flow) direction
Seat 4 can touch the elastic washer 7 being arranged in 1 gasket groove 102 of valve body, and elastic washer 7 is made of elastic material, can to by
The impulse force of pressing spring seat 4 plays certain buffer function, breathes heavily transient pressure that anxious water flow is applied on compression spring seat 4 not
Spring 3 can clearly be passed to, efficiently control spring shake it is excessive, to reduce noise.
The present embodiment also provides a kind of gas heater, uses the flow control valve in above-described embodiment.Gas and hot water
Device uses above-mentioned flow control valve, advantageously reduces running noises.
Obviously, it is practical new without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
The spirit and scope of type.If in this way, these modifications and variations of the present invention belong to the utility model claims and its
Within the scope of equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (10)
1. a kind of flow control valve, including valve body (1), spool (6), spring (3), compression spring seat (4)；
The spool (6) is movably arranged in the valve body (1), and the compression spring seat (4) is connected to the spool (6)
The inner wall in outside, the periphery and the valve body (1) of the compression spring seat (4) is slidably matched, and the spring (3) is sheathed on described
The outside of spool (6) is simultaneously resisted against between the inside of the valve body (1) and the compression spring seat (4)；
It is characterized by also including elastic washer (7), the elastic washer (7) is set to the inside of the valve body (1), the bullet
Property washer (7) along water (flow) direction be located at the front of the compression spring seat (4) and for buffering trembling for compression spring seat (4)
It is dynamic.
2. a kind of flow control valve according to claim 1, which is characterized in that the elastic washer (7) is equipped with along axial direction
Direction is located at the fixed part (701) and buffer part (703) at both ends, and the inner sidewall and lateral wall of the elastic washer (7) are equipped with
Loop buffer slot (702) between fixed part (701) and buffer part (703), the fixed part (701) are connected to the valve
The inside of body (1), the buffer part (703) are used to buffer the shake of the compression spring seat (4).
3. a kind of flow control valve according to claim 2, which is characterized in that be provided with washer on the inside of the valve body (1)
Slot (102), the fixed part (701) of the elastic washer (7) are embedded in the gasket groove (102), and the buffer part (703) is convex
For the gasket groove (102).
4. a kind of flow control valve according to claim 3, which is characterized in that the buffer part (703) is partially located at institute
It states in gasket groove (102).
5. a kind of flow control valve according to claim 4, which is characterized in that the radial width of the buffer part (703)
Less than the radial groove width of the gasket groove (102).
6. a kind of flow control valve according to claim 3, which is characterized in that the fixed part (701) and the washer
For interference fit between slot (102), at least one gas vent (704) that the elastic washer (7) is in axial direction arranged.
7. according to claim 1 to a kind of flow control valve described in 6 any one, which is characterized in that the elastic washer (7)
For rubber ring.
8. a kind of flow control valve according to claim 1, which is characterized in that the elastic washer (7) is compression spring.
9. a kind of flow control valve according to claim 1, which is characterized in that further include retaining ring (5)；The spool (6)
Outside be equipped with card slot (61), the compression spring seat (4) and the retaining ring (5) are sheathed on the outside juxtaposition of the spool (6)
In the card slot (61), the both ends of the retaining ring (5) are resisted against the inner wall of the compression spring seat (4) and the card slot (61)
Between.
10. a kind of gas heater, which is characterized in that using any flow control valve of claim 1~9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821435862.7U CN208778790U (en) | 2018-08-31 | 2018-08-31 | A kind of flow control valve and gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821435862.7U CN208778790U (en) | 2018-08-31 | 2018-08-31 | A kind of flow control valve and gas heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208778790U true CN208778790U (en) | 2019-04-23 |
Family
ID=66159557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821435862.7U Active CN208778790U (en) | 2018-08-31 | 2018-08-31 | A kind of flow control valve and gas heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208778790U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513521A (en) * | 2019-09-05 | 2019-11-29 | 宁波方太厨具有限公司 | Flow stabilizing valve and water heater comprising it |
| CN112253828A (en) * | 2020-09-29 | 2021-01-22 | 宁波方太厨具有限公司 | Water flow stabilizing valve and gas water heater using same |
| CN114754156A (en) * | 2021-01-12 | 2022-07-15 | 宁波方太厨具有限公司 | Adjustable flow stabilizing valve |
-
2018
- 2018-08-31 CN CN201821435862.7U patent/CN208778790U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513521A (en) * | 2019-09-05 | 2019-11-29 | 宁波方太厨具有限公司 | Flow stabilizing valve and water heater comprising it |
| CN110513521B (en) * | 2019-09-05 | 2021-02-26 | 宁波方太厨具有限公司 | Flow stabilizing valve and water heater comprising same |
| CN112253828A (en) * | 2020-09-29 | 2021-01-22 | 宁波方太厨具有限公司 | Water flow stabilizing valve and gas water heater using same |
| CN112253828B (en) * | 2020-09-29 | 2021-07-23 | 宁波方太厨具有限公司 | Water flow stabilizing valve and gas water heater using same |
| CN114754156A (en) * | 2021-01-12 | 2022-07-15 | 宁波方太厨具有限公司 | Adjustable flow stabilizing valve |
| CN114754156B (en) * | 2021-01-12 | 2023-02-14 | 宁波方太厨具有限公司 | Adjustable flow stabilizing valve |
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