CN2654985Y - Concealed gas safety valve - Google Patents
Concealed gas safety valve Download PDFInfo
- Publication number
- CN2654985Y CN2654985Y CN 03207646 CN03207646U CN2654985Y CN 2654985 Y CN2654985 Y CN 2654985Y CN 03207646 CN03207646 CN 03207646 CN 03207646 U CN03207646 U CN 03207646U CN 2654985 Y CN2654985 Y CN 2654985Y
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- CN
- China
- Prior art keywords
- valve body
- pad
- piston
- spring
- gas safety
- 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
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Abstract
The utility model provides an embedded type relief valve with simple design, convenient usability, and collision prevention, aims at solving the problems that exserted gas relief valves are easy to be collided and damaged and the spurting of steam is easy to scald people nearby, and relates to the technical field of gas relief valve, in particular to an embedded type gas relief valve used in apparatuses that can generate steams and similar apparatuses; the utility model comprises a cylindrical valve body, wherein, a seal head, a spring, a gasket, a cushion disc, and a top cover are arranged in an inner hole of the valve body, and a pore arranged at the bottom of the valve body, wherein, the seal head is matched with the pore at the bottom of the valve body; the spring is arranged between the seal head and the gasket; the diameter of the cushion disc is bigger than the diameter of the inner hole of the valve body and the cushion disc is arranged in the inner hole of the valve body so that an arch shape is formed; the lower end of the cushion disc is connected with the top end of the gasket and the upper end of the cushion disc is connected with the top cover; and a plurality of vents are arranged on the top of the top cover. The seal head adopts a conic piston or a ball to meet the need.
Description
Technical field
The utility model relates to gas safety valve technology field, particularly a kind of built-in gas safety valve that is used to produce on steam appliance and the similar appliances.
Background technique
The existing gas safety valve that is used to produce on the steam appliance all is exposed, and promptly the part of gas safety valve is to be exposed to the outer wall that produces steam appliance.During use, existing exposed gas safety valve exists the gas safety valve and is clashed into by the external world easily and damage, produce in the steam appliance steam by safety valve to around spray the deficiency of easily scalding near personnel.
Summary of the invention
The utility model damages at existing the bump by the external world easily of existing exposed gas safety valve and steam sprays the deficiency of easily scalding near personnel to all around, provide a kind of simple in structure, easy to use, the built-in gas safety valve that can be clashed into by the external world not.
The technical solution adopted in the utility model is finished in the following way: built-in gas safety valve comprises valve body, sealing head, spring, pad, spring sheet, loam cake, valve body is a cylindrical shape, in the bottom of valve body one through hole is arranged, sealing head, spring, pad, spring sheet, loam cake is packed in the endoporus of valve body successively, wherein, sealing head matches with the through hole of valve body bottom, the bottom and the sealing head of spring join, the top of spring and the bottom of pad join, the diameter of spring sheet is greater than the valve body inner bore diameter, the spring sheet archwise in the endoporus of valve body of packing into, the lower end of spring sheet and the top of pad join, the upper end and the loam cake of spring sheet join, and have several ventilating holes at the top of loam cake.As required, sealing head adopts tapered piston or spheroid.
The built-in gas safety valve of the utility model is compared with existing exposed gas safety valve, have valve body and can not clashed into by the external world, steam by safety valve after can to around spray easily and can not scald characteristics near personnel.The utility model is particularly suitable as the gas safety valve on all kinds of generation steam appliance.
Description of drawings
Fig. 1 is the utility model embodiment one a structural representation.
Fig. 2 is the utility model embodiment two a structural representation.
Fig. 3 is the structural representation of spring sheet.
Fig. 4 is the structural representation of pad.
Fig. 5 is the structural representation of tapered piston.
Fig. 6 is the structural representation of piston pad.
Fig. 7 is the worm's eye view of Fig. 6.
Embodiment
Contrast accompanying drawing below, the utility model is described in further detail by embodiment.
Embodiment one:
To accompanying drawing 7, a kind of built-in gas safety valve comprises valve body 1, sealing head, spring 4, pad 5, spring sheet 6, loam cake 7 with reference to accompanying drawing 1 and accompanying drawing 3.Valve body 1 is a cylindrical shape, in the bottom of valve body 1 through hole is arranged; Sealing head is made up of tapered piston 2 and piston pad 3, tapered piston 2 is made of cylindrical body 12, taper stage body 13, boss 14 successively, wherein the end face of an end face of cylindrical body 12 and taper stage body 13 joins, one end face of the bottom surface of taper stage body 13 and boss 14 joins, and is provided with locating column 15 on the other end of boss 14; The diameter of piston pad 3 is less than valve body 1 diameter of bore, is provided with boss 16 at the end face of piston pad 3, is provided with circular groove 19 in the bottom surface of piston pad 3, is provided with several breach 18 around piston pad 3, has positioning hole 17 at the middle part of piston pad 3; The diameter of spring sheet 6 has through hole greater than valve body 1 diameter of bore at the middle part of spring sheet 6, is provided with several breach around spring sheet 6; The diameter of pad 5 is provided with boss 9 less than valve body 1 diameter of bore in the bottom surface of pad 5, has through hole 10 at the middle part of pad 5, is provided with several breach 11 around pad 5; The top of loam cake 7 has several ventilating holes.During assembling, tapered piston 2, piston pad 3, spring 4, pad 5, spring sheet 6, loam cake 7 are packed in the endoporus of valve body 1 successively; Whole and some taper stage body 13 of the cylindrical body 12 on the tapered piston 2 passes the through hole of valve body 1 bottom, forms linear sealing between the taper stage body 13 on the tapered piston 2 and the through hole of valve body 1; Piston pad 3 is contained on the tapered piston 2, and wherein the positioning hole 17 on the piston pad 3 is enclosed within on the locating column 15 of tapered piston 2; The top of the bottom of spring 4 and piston pad 3 joins, and the bottom of the top of spring 4 and pad 5 joins; Spring sheet 6 archwise in the endoporus of valve body 1 of packing into, the top of the lower end of spring sheet 6 and pad 5 joins, and the upper end of spring sheet 6 and loam cake 7 join.
Embodiment two:
With reference to accompanying drawing 2, a kind of built-in gas safety valve comprises valve body 1, sealing head, spring 4, pad 5, spring sheet 6, loam cake 7.Valve body 1 is a cylindrical shape, in the bottom of valve body 1 through hole is arranged, and sealing head adopts spheroid 8; The diameter of spring sheet 6 has through hole greater than valve body 1 diameter of bore at the middle part of spring sheet 6, is provided with several breach around spring sheet 6; The diameter of pad 5 is provided with boss 9 less than valve body 1 diameter of bore in the bottom surface of pad 5, has through hole 10 at the middle part of pad 5, is provided with several breach 11 around pad 5; The top of loam cake 7 has several ventilating holes.During assembling, spheroid 8, spring 4, pad 5, spring sheet 6, loam cake 7 are packed in the endoporus of valve body 1 successively; Spheroid 8 is positioned on the through hole of valve body 1, forms linear sealing between the through hole of spheroid 8 and valve body 1; The bottom of spring 4 and spheroid 8 join, and the bottom of the top of spring 4 and pad 5 joins; Spring sheet 6 archwise in the endoporus of valve body 1 of packing into, the top of the lower end of spring sheet 6 and pad 5 joins, and the upper end of spring sheet 6 and loam cake 7 join.
Claims (4)
1, a kind of built-in gas safety valve, it is characterized in that this built-in gas safety valve comprises valve body, sealing head, spring, pad, loam cake, valve body is a cylindrical shape, in the bottom of valve body one through hole is arranged, sealing head, spring, pad, loam cake are packed in the endoporus of valve body successively, and sealing head matches with the through hole of valve body bottom, and the bottom and the sealing head of spring join, the top of spring and the bottom of pad join, and have several ventilating holes at the top of loam cake.
2, built-in gas safety valve according to claim 1, it is characterized in that being provided with a spring sheet at the pad top, the diameter of spring sheet is greater than the valve body inner bore diameter, the spring sheet archwise in the endoporus of valve body of packing into, the lower end of spring sheet and the top of pad join, and the upper end and the loam cake of spring sheet join.
3, built-in gas safety valve according to claim 1 and 2, it is characterized in that sealing head is made up of tapered piston and piston pad, tapered piston is successively by cylindrical body, the taper stage body, boss constitutes, the end face of a wherein cylindrical end face and taper stage body joins, one end face of the bottom surface of taper stage body and boss joins, on the other end of boss, be provided with locating column, the diameter of piston pad is less than the valve body inner bore diameter, end face at the piston pad is provided with boss, bottom surface at the piston pad is provided with circular groove, around the piston pad, be provided with several breach, middle part at the piston pad has positioning hole, the piston pad sheet is contained on the tapered piston, and wherein the positioning hole on the piston pad is enclosed within on the locating column of tapered piston, forms linear sealing between the taper stage body on the tapered piston and the through hole of valve body.
4, built-in gas safety valve according to claim 1 and 2 is characterized in that sealing head adopts sphere structure, forms linear sealing between the through hole of spheroid and valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03207646 CN2654985Y (en) | 2003-08-23 | 2003-08-23 | Concealed gas safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03207646 CN2654985Y (en) | 2003-08-23 | 2003-08-23 | Concealed gas safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2654985Y true CN2654985Y (en) | 2004-11-10 |
Family
ID=34324611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03207646 Expired - Fee Related CN2654985Y (en) | 2003-08-23 | 2003-08-23 | Concealed gas safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2654985Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907287A (en) * | 2010-07-01 | 2010-12-08 | 宁波凯波集团有限公司 | Heat generating core with pressure relieving device |
-
2003
- 2003-08-23 CN CN 03207646 patent/CN2654985Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907287A (en) * | 2010-07-01 | 2010-12-08 | 宁波凯波集团有限公司 | Heat generating core with pressure relieving device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |