CN201627994U - Pressure reducing valve for steel cylinder - Google Patents
Pressure reducing valve for steel cylinder Download PDFInfo
- Publication number
- CN201627994U CN201627994U CN2010200263199U CN201020026319U CN201627994U CN 201627994 U CN201627994 U CN 201627994U CN 2010200263199 U CN2010200263199 U CN 2010200263199U CN 201020026319 U CN201020026319 U CN 201020026319U CN 201627994 U CN201627994 U CN 201627994U
- Authority
- CN
- China
- Prior art keywords
- valve
- steel cylinder
- valve body
- air chamber
- switch
- 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 - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 32
- 239000010959 steel Substances 0.000 title claims abstract description 32
- 230000006837 decompression Effects 0.000 claims abstract description 16
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 16
- 230000001055 chewing effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 230000008676 import Effects 0.000 abstract 4
- 210000001503 joint Anatomy 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 description 2
- 235000015111 chews Nutrition 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
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Abstract
The utility model discloses a pressure reducing valve for steel cylinder, including valve body, case subassembly and pressure regulating subassembly, the valve body has the import valve mouth of supplying fluid to the pressure reducing valve and discharges fluidic export from the pressure reducing valve, be provided with in the valve body with the upper channel hole of import valve mouth intercommunication and with the decompression air chamber of export intercommunication, the upper channel hole is through a pressure release hole and decompression air chamber intercommunication, be provided with the annular groove with the butt joint of steel cylinder pneumatic valve between import valve mouth and the valve body, the outer wall of import valve mouth is provided with the annular concave station of sealed usefulness, its characterized in that seal ring is installed to the bottom of annular groove; the utility model discloses further ensured the sealed effect of relief pressure valve in the use, prevented the gas leakage phenomenon to eliminate the potential safety hazard.
Description
Technical field
The utility model relates to a kind of reduction valve, particularly a kind of reduction valve that is used on the liquefied petroleum ga steel cylinder.
Background technique
The reduction valve that uses on the liquefied petroleum ga steel cylinder comprises valve body at present, mangetic core assembly and pressure regulation assembly, valve body has to the inlet valve of reduction valve accommodating fluid to be chewed and from the outlet of reduction valve exhaust fluid, be provided with in the valve body with inlet valve and chew upper channel hole that is communicated with and the decompression air chamber that is communicated with outlet, the upper channel hole is communicated with the decompression air chamber by a relief hole, inlet valve chew with valve body between be provided with the annular groove that docks with Steel cylinder gas valve, the outer wall that inlet valve is chewed is provided with the annular concave platform of sealing usefulness, when docking with Steel cylinder gas valve, ring set in the Steel cylinder gas valve is on annular concave platform, thus being tightly connected between realization Steel cylinder gas valve and the reduction valve.Because only be provided with place's sealing configuration between reduction valve and the Steel cylinder gas valve, sealing effect is not satisfactory, uses the sealing part between back reduction valve and the Steel cylinder gas valve leakage phenomenon may occur long-term, thereby potential safety hazard occurs.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of steel cylinder reduction valve, and this reduction valve is provided with the sealing configuration of twice and Steel cylinder gas valve, the sealing effect when having ensured use better between reduction valve and the Steel cylinder gas valve.
The technological scheme that its technical problem that solves the utility model adopts is:
A kind of steel cylinder reduction valve, comprise valve body, mangetic core assembly and pressure regulation assembly, valve body has to the inlet valve of reduction valve accommodating fluid to be chewed and from the outlet of reduction valve exhaust fluid, be provided with in the valve body with inlet valve and chew upper channel hole that is communicated with and the decompression air chamber that is communicated with outlet, the upper channel hole is communicated with the decompression air chamber by a relief hole, inlet valve chew with valve body between be provided with the annular groove that docks with Steel cylinder gas valve, the outer wall that inlet valve is chewed is provided with the annular concave platform of sealing usefulness, it is characterized in that the bottom of described annular groove is equipped with seal washer.
As the utility model improvement of the technical scheme, the inner side surface of described seal washer is provided with annular protrusion.
The mangetic core assembly that the utility model adopts comprise one be installed in inlet valve in chewing the switch apical axis and be installed in the upper channel hole and the rotary switch that cooperates with the switch apical axis, switch apical axis retainer ring in chewing, inlet valve is installed, switch base is installed in the valve body, is equipped with on the rotary switch and makes reduction valve and the fixing switch hook of Steel cylinder gas valve.
The pressure regulation assembly that the utility model adopts comprises that one is hubbed on adjustment (adjusting) lever in the decompression air chamber by needle, one end of described adjustment (adjusting) lever is relative with relief hole, in the decompression air chamber diaphragm connecting rod is installed, one end of diaphragm connecting rod is connected with adjustment (adjusting) lever, the other end of diaphragm connecting rod is equipped with diaphragm, meson and diaphragm cover plate, dome is installed on the valve body, between dome and the diaphragm cover plate pressure adjusting spring is installed.
The beneficial effects of the utility model are: the sealing configuration when the utility model is provided with two places and docks with Steel cylinder gas valve, thus further ensured reduction valve sealing effect in use, prevent gas leak phenomenon, to eliminate safe hidden trouble.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a sectional view of the present utility model;
Fig. 2 is the utility model sectional view in use.
Embodiment
With reference to Fig. 1, Fig. 2, the disclosed a kind of steel cylinder reduction valve of the utility model, comprise valve body, mangetic core assembly and pressure regulation assembly, wherein valve body is to be assembled by upper shell 1 and lower shell body 2, valve body has to the inlet valve of reduction valve accommodating fluid chews the 3 outlet (not shown)s that reach from the reduction valve exhaust fluid, barometer is installed on the valve body, be provided with the decompression air chamber 7 of chewing the 3 upper channel holes that are communicated with 6 and being communicated with inlet valve in the valve body with outlet, upper channel hole 6 is communicated with decompression air chamber 7 by a relief hole 8, inlet valve chew 3 with valve body between be provided with the annular groove 9 that docks with Steel cylinder gas valve, inlet valve is chewed the annular concave platform 10 that 3 outer wall is provided with sealing usefulness, the bottom of annular groove 9 is equipped with seal washer 11, the utility model docks with Steel cylinder gas valve when using, ring set in the Steel cylinder gas valve forms the first road sealing barrier on annular concave platform, the end of Steel cylinder gas valve is tightly connected by seal washer and the annular groove bottom that is arranged on the annular groove bottom simultaneously, form the second road sealing barrier, thereby further ensured reduction valve sealing effect in use, prevent gas leak phenomenon, to eliminate safe hidden trouble.
As shown in Figure 2, be provided with annular protrusion 12 at the inner side surface of seal washer 11, annular protrusion 12 is sealed and matched with the chamfer site of Steel cylinder gas valve end, makes sealing effect better.
As shown in the figure, the mangetic core assembly that the utility model adopts comprises that one is installed in inlet valve and chews the switch apical axis 13 in 3 and be installed in the upper channel hole 6 and the rotary switch 14 that cooperates with switch apical axis 13, inlet valve is chewed switch apical axis retainer ring 15 is installed in 3, switch base 16 is installed in the valve body, is equipped with on the rotary switch 14 and makes reduction valve and the fixing switch hook 17 of Steel cylinder gas valve.
As shown in the figure, the pressure regulation assembly that the utility model adopts comprises that one is hubbed on adjustment (adjusting) lever 19 in the decompression air chamber 7 by needle 18, one end of adjustment (adjusting) lever 19 is relative with relief hole 8, and adjustment (adjusting) lever 19 and relief hole 8 relative ends are equipped with sealing gasket 20, in the decompression air chamber 7 diaphragm connecting rod 21 is installed, one end of diaphragm connecting rod 21 is connected with adjustment (adjusting) lever 19, the other end of diaphragm connecting rod 21 is equipped with diaphragm 22, meson 23 and diaphragm cover plate 24, dome 4 is installed on the valve body, between dome 4 and the diaphragm cover plate 24 pressure adjusting spring 5 is installed.
Claims (4)
1. steel cylinder reduction valve, comprise valve body, mangetic core assembly and pressure regulation assembly, valve body has to the inlet valve of reduction valve accommodating fluid to be chewed and from the outlet of reduction valve exhaust fluid, be provided with in the valve body with inlet valve and chew upper channel hole that is communicated with and the decompression air chamber that is communicated with outlet, the upper channel hole is communicated with the decompression air chamber by a relief hole, inlet valve chew with valve body between be provided with the annular groove that docks with Steel cylinder gas valve, the outer wall that inlet valve is chewed is provided with the annular concave platform of sealing usefulness, it is characterized in that the bottom of described annular groove is equipped with seal washer.
2. a kind of steel cylinder reduction valve according to claim 1 is characterized in that the inner side surface of described seal washer is provided with annular protrusion.
3. a kind of steel cylinder reduction valve according to claim 1 and 2, it is characterized in that described mangetic core assembly comprise one be installed in inlet valve in chewing the switch apical axis and be installed in the upper channel hole and the rotary switch that cooperates with the switch apical axis, switch apical axis retainer ring in chewing, inlet valve is installed, switch base is installed in the valve body, is equipped with on the rotary switch and makes reduction valve and the fixing switch hook of Steel cylinder gas valve.
4. a kind of steel cylinder reduction valve according to claim 1 and 2, it is characterized in that described pressure regulation assembly comprises that one is hubbed on the adjustment (adjusting) lever of decompression in the air chamber by needle, one end of described adjustment (adjusting) lever is relative with relief hole, in the decompression air chamber diaphragm connecting rod is installed, one end of diaphragm connecting rod is connected with adjustment (adjusting) lever, the other end of diaphragm connecting rod is equipped with diaphragm, meson and diaphragm cover plate, and dome is installed on the valve body, between dome and the diaphragm cover plate pressure adjusting spring is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200263199U CN201627994U (en) | 2010-01-07 | 2010-01-07 | Pressure reducing valve for steel cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200263199U CN201627994U (en) | 2010-01-07 | 2010-01-07 | Pressure reducing valve for steel cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201627994U true CN201627994U (en) | 2010-11-10 |
Family
ID=43059387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200263199U Expired - Fee Related CN201627994U (en) | 2010-01-07 | 2010-01-07 | Pressure reducing valve for steel cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201627994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987208A (en) * | 2015-03-16 | 2016-10-05 | 阿自倍尔株式会社 | Pressure-reducing valve |
-
2010
- 2010-01-07 CN CN2010200263199U patent/CN201627994U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987208A (en) * | 2015-03-16 | 2016-10-05 | 阿自倍尔株式会社 | Pressure-reducing valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhongshan Leetron Gas Applince Co., Ltd. Assignor: Xie Qibiao|Xiao Ruiyuan Contract record no.: 2012990000228 Denomination of utility model: Pressure reducing valve for steel cylinders Granted publication date: 20101110 License type: Exclusive License Record date: 20120413 |
|
| 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: 20101110 Termination date: 20170107 |