CN203847786U - Decompression valve for gas water heater - Google Patents
Decompression valve for gas water heater Download PDFInfo
- Publication number
- CN203847786U CN203847786U CN201420174868.9U CN201420174868U CN203847786U CN 203847786 U CN203847786 U CN 203847786U CN 201420174868 U CN201420174868 U CN 201420174868U CN 203847786 U CN203847786 U CN 203847786U
- Authority
- CN
- China
- Prior art keywords
- spring
- spool
- gas water
- pressure release
- decompression valves
- Prior art date
- 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 - Lifetime
Links
- 230000006837 decompression Effects 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Landscapes
- Feeding And Controlling Fuel (AREA)
- Details Of Valves (AREA)
Abstract
A decompression valve for a gas water heater comprises a casing, a sealing plug, a valve element, a spring, a spring seat and a fixed part. The sealing plug is installed on the lower portion of the valve element, one end of the spring is installed in the spring seat, the other end of the spring abuts against the valve element, the fixed part presses the spring seat and is fixed in the casing, a guide boss in contact with the inner wall of the casing is arranged on the valve element, and no position offset of the valve element is generated during effective decompression. The decompression valve has the advantages of being stable in decompression value and reliable in action.
Description
Technical field
The utility model relates to a kind of gas water-heater Decompression valves.
Background technique
In the prior art, what the Decompression valves of domestic gas-fired water heater played act as: control the maximum pressure of water circuit system, do not exceed the ability to bear of water circuit system design, protection entire machine.Owing to there is larger gap in the Decompression valves of current most of gas water-heater, because assembling, transport vibrations etc. cause can not producing radial displacement, secundly, can cause pressure release value unstable between spool and shell, it is unreliable to move.For overcoming above-mentioned defect, domestic gas-fired water heater is improved with Decompression valves.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of gas water-heater Decompression valves, and it has pressure release value stabilization, the features such as reliable in action.
The technological scheme that the utility model solves its technical problem employing is: comprise shell, sealing plug, spool, spring, spring seat, fixed block, sealing plug is arranged on spool bottom, spring one end is installed in spring seat, the other end withstands spool, fixed block pressing spring seat and being fixed in shell, spool is provided with the guide ledges contacting with outer casing inner wall.
Also comprise the pressure release groove that connects two adjacent guide ledges, between pressure release groove and outer casing inner wall, leave space.
Described guide ledges and pressure release groove are arranged on the upper and lower two ends of spool.
The quantity of described guide ledges is 4, and the quantity of pressure release groove is 4, and guide ledges is arc.
The quantity of described guide ledges is 6, and the quantity of pressure release groove is 6, and guide ledges is arc.
Described spool is provided with spring mounting hole, and one end of spring is arranged in spring mounting hole.
Described fixed block is jump ring, and shell is provided with draw-in groove, and fixed block is placed in draw-in groove.
The utility model is compared produced beneficial effect with background technique: be provided with the structure of the guide ledges contacting with outer casing inner wall because the utility model adopts spool on the basis of existing technology, spool can not produce position skew in effective pressure release, there is pressure release value stabilization, the feature of reliable in action.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the explosive view of Fig. 1;
Fig. 3 is the schematic diagram of spool 3 in Fig. 1.
Embodiment
Shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, the present embodiment comprises shell 1, sealing plug 2, spool 3, spring 4, spring seat 5, fixed block 6, sealing plug 2 is arranged on spool 3 bottoms, spring 4 one end are installed in spring seat 5, the other end withstands spool 3, fixed block 6 pressing spring seats 5 and being fixed in shell 1, spool 3 is provided with the guide ledges 11 contacting with shell 1 inwall.Because guide ledges 11 contacts with outer casing inner wall, thus between spool 3 and shell 1, there is not larger gap, when water heater is given a shock in assembling, transportation process or spool is backed down, spool 3 can not produce radial displacement, secundly, therefore pressure release value stabilization, reliable in action.
Also comprise the pressure release groove 10 that connects two adjacent guide ledges 11, between pressure release groove 10 and shell 1 inwall, leave space.Owing to leaving space between pressure release groove 10 shell 1 inwalls, can, in the time that water heater water pressure is too high, water be discharged by Decompression valves, reach the object of pressure release.
Further, described guide ledges 11 and pressure release groove 10 are arranged on spool Shang Xia 3 two ends, can make radial location better of spool 3, and stability is stronger.
Because guide ledges 11 and pressure release groove 10 are arranged alternately, the quantity of guide ledges 11 is 2,3,4,5 or 6, and correspondingly, the quantity of pressure release groove 10 is 2,3,4,5 or 6.When pressure release, current can evenly flow out from Decompression valves surrounding, do not exist current to concentrate on one side, the slow-paced situation of pressure release, pressure release better effects if.Guide ledges 11 is arc, and what can make that guide ledges 8 contacts with shell 1 inwall is better.
Described spool 3 is provided with spring mounting hole 7, and one end of spring 4 is arranged in spring mounting hole 7.This structure spring 4 just can have been located completely, does not exist spring 4 to assemble less than the situation on central shaft, makes spring 4 when stressed, be unlikely to be offset, and also can play and stablize the effect of pressure release value.
Described fixed block 6 is jump ring, and shell 1 is provided with draw-in groove 8, and fixed block 6 is placed in draw-in groove 8, can make the position of fixed block 6 be well fixed.
Design phase calculates spring force, and the maximum that makes pressure release value be controlled at water heater is used between hydraulic pressure and the pressure maximum of 1.25 times, and then general assembly is good.When use; Decompression valves is arranged in the water circuit system of water heater; due to pressure of supply water or dry combustion method, the water pressure value that causes water system during higher than the design maximum pressure value of water heater, is just backed down sealing plug 2; draining outward; water, from the relief hole 9 of spool, through spool 3 medi-spring mounting holes 7, is discharged from fixed block 6, makes water circuit system hydraulic pressure not exceed design load; the each element and the each interface that protect water circuit system, be unlikely to be damaged and leakage accident.
Claims (9)
1. a gas water-heater Decompression valves, comprise shell (1), sealing plug (2), spool (3), spring (4), spring seat (5), fixed block (6), sealing plug (2) is arranged on spool (3) bottom, spring (4) one end is installed in spring seat (5), the other end withstands spool (3), fixed block (6) pressing spring seat (5) and being fixed in shell (1), is characterized in that spool (3) is provided with the guide ledges (11) contacting with shell (1) inwall.
2. gas water-heater Decompression valves according to claim 1, characterized by further comprising the pressure release groove (10) that connects two adjacent guide ledges (11), between pressure release groove (10) and shell (1) inwall, leaves space.
3. gas water-heater Decompression valves according to claim 2, is characterized in that described guide ledges (11) and pressure release groove (10) are arranged on the upper and lower two ends of spool (3).
4. according to the gas water-heater Decompression valves described in claim 2 or 3, it is characterized in that the quantity of described guide ledges (11) is 4, the quantity of pressure release groove (10) is 4, and guide ledges (11) is arc.
5. according to the gas water-heater Decompression valves described in claim 2 or 3, it is characterized in that the quantity of described guide ledges (11) is 6, the quantity of pressure release groove (10) is 6, and guide ledges (11) is arc.
6. according to the gas water-heater Decompression valves described in claim 1～3 any one, it is characterized in that described spool (3) is provided with spring mounting hole (7), one end of spring (4) is arranged in spring mounting hole (7).
7. gas water-heater Decompression valves according to claim 4, is characterized in that described spool (3) is provided with spring mounting hole (7), and one end of spring (4) is arranged in spring mounting hole (7).
8. according to the gas water-heater Decompression valves described in claim 1～3 any one, it is characterized in that described fixed block (6) is jump ring, shell (1) is provided with draw-in groove (8), and fixed block (6) is placed in draw-in groove (8).
9. gas water-heater Decompression valves according to claim 4, is characterized in that described fixed block (6) is jump ring, and shell (1) is provided with draw-in groove (8), and fixed block (6) is placed in draw-in groove (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420174868.9U CN203847786U (en) | 2014-04-12 | 2014-04-12 | Decompression valve for gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420174868.9U CN203847786U (en) | 2014-04-12 | 2014-04-12 | Decompression valve for gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203847786U true CN203847786U (en) | 2014-09-24 |
Family
ID=51560804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420174868.9U Expired - Lifetime CN203847786U (en) | 2014-04-12 | 2014-04-12 | Decompression valve for gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203847786U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641358A (en) * | 2017-02-20 | 2017-05-10 | 广东万家乐燃气具有限公司 | Safety valve with drainage function for rapid gas water heater |
| CN109173453A (en) * | 2018-10-16 | 2019-01-11 | 陈方舒 | A kind of constant pressure exhaust filter |
-
2014
- 2014-04-12 CN CN201420174868.9U patent/CN203847786U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641358A (en) * | 2017-02-20 | 2017-05-10 | 广东万家乐燃气具有限公司 | Safety valve with drainage function for rapid gas water heater |
| CN109173453A (en) * | 2018-10-16 | 2019-01-11 | 陈方舒 | A kind of constant pressure exhaust filter |
| CN109173453B (en) * | 2018-10-16 | 2021-06-04 | 陈方舒 | Constant pressure exhaust filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170417 Address after: 528325 Guangdong Province, Foshan city Shunde District Xingtan town De Fu Road No. 71 Patentee after: GUANGDONG WANHE THERMAL ENERGY TECHNOLOGY Co.,Ltd. Address before: 528305 Foshan, Shunde District, Ronggui street, Hongqi Road, No. 80 Patentee before: FOSHAN SHUNDE VANWARD ACCESSORIES CO.,LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140924 |