CN203258128U - Safety valve for vacuum drying tank - Google Patents
Safety valve for vacuum drying tank Download PDFInfo
- Publication number
- CN203258128U CN203258128U CN 201320158553 CN201320158553U CN203258128U CN 203258128 U CN203258128 U CN 203258128U CN 201320158553 CN201320158553 CN 201320158553 CN 201320158553 U CN201320158553 U CN 201320158553U CN 203258128 U CN203258128 U CN 203258128U
- Authority
- CN
- China
- Prior art keywords
- valve seat
- float
- drying tank
- vacuum drying
- valve
- 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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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model relates to a safety valve, in particular to a safety valve for a vacuum drying tank. The safety valve comprises a valve seat, a floater and an exhaust cover. A floater cavity matched with the floater is formed in the valve seat. A valve seat cavity matched with the valve seat is formed in the exhaust cover. An exhaust port communicated with the valve seat cavity is formed in the side wall of the exhaust cover. The exhaust cover is fixedly connected with the valve seat. According to the safety valve for the vacuum drying tank, after the structure is adopted, the floater is arranged inside the floater cavity in the valve seat, and the floater makes contact with a gasket so as to ensure the leak tightness of the vacuum drying tank. When gas is generated inside the drying tank, the gas can push the floater upwards. When the floater moves to the position of the exhaust port, the gas is naturally exhausted from the exhaust port of the exhaust cover. The safety valve for the vacuum drying tank is simple in structure and low in cost.
Description
Technical field
The utility model relates to a kind of safety valve, particularly the safety valve used of a kind of vacuum drying tank.
Background technique
Vacuum drying tank refers to that the boiling point of material solvent under the dummy status reduces, thus be applicable to unstable or the heat sensitive material vacuum drying tank has good sealing, so be applicable to again dryly need to reclaim solvent and contain intense stimulus, the material of toxic gas.In order to guarantee the vacuum of vacuum drying tank, need timely the Bas Discharged with dry can.
Summary of the invention
The utility model technical issues that need to address provide a kind of safety valve of vacuum drying tank.
For solving above-mentioned technical problem, vacuum drying tank safety valve of the present utility model comprises valve seat, float and exhaust cap, has the float cavity that adapts with float on the described valve seat; Have the valve support chamber that adapts with valve seat on the described exhaust cap, described exhaust cap sidewall has the relief opening that communicates with valve support chamber; Described exhaust cap is fixedly connected with valve seat.
Described float cross section is the T font, and described float cavity cross section also is the T font, is fixed with packing ring on the step surface of described valve seat T font float cavity.
The arranged outside of described valve seat has outside thread, and described exhaust cap inboard is provided with the internal thread that outside thread adapts.
After adopting said structure, vacuum drying tank safety valve of the present utility model is placed on float in the float cavity of valve seat, and float contacts with packing ring and guarantees the sealing of vacuum drying tank.When producing gas in the dry can, gas can upwards promote float, and when float moved to the position of relief opening, the gas nature was discharged from the relief opening of exhaust cap, and of the present utility model simple in structure, cost is low.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
Among the figure: 1 is valve seat, and 2 is float, and 3 is exhaust cap, and 4 is float cavity, and 5 is packing ring, and 6 is outside thread, and 7 is relief opening, and 8 is internal thread, and 9 is valve support chamber
Embodiment
As shown in Figure 1, vacuum drying tank safety valve of the present utility model comprises valve seat 1, float 2 and exhaust cap 3.Valve seat 1 of the present utility model is fixed on the vacuum drying tank, has the float cavity 4 that adapts with float 2 on the described valve seat 1, float 2 can be placed in the float cavity 4 of valve seat 1 like this.For can be so that float 2 remains in the float cavity 4, described float 2 cross sections be the T font, and described float cavity 4 cross sections also are the T font, and described float 2 adapts with float cavity 4.Form step surface in valve seat 1 inner meeting like this, float 2 is placed on the step surface and contacts with valve seat 1, and can not drop in the vacuum drying tank.Further, in order to ensure the sealing of safety valve, be fixed with packing ring 5 at the step surface of described valve seat T font float cavity 4.
Have the valve support chamber 9 that adapts with valve seat 1 on the described exhaust cap 3, described exhaust cap 3 is fixedly connected with valve seat 1.Here the means of fixation of exhaust cap 3 and valve seat 1 is that the arranged outside of described valve seat 1 has outside thread 6, and described exhaust cap 3 inboards are provided with the internal thread 8 that outside thread 6 adapts.For the gas of vacuum drying tank being discharged, described exhaust cap 3 sidewalls have the relief opening 7 that communicates with valve support chamber 9.
The working principle of the utility model vacuum drying tank safety valve is as follows: the valve seat 1 of safety valve is fixed on the vacuum drying tank 1, communicates with vacuum drying tank by the float cavity 4 on the safety valve 1; Float 2 is placed on the step surface of valve seat 1, at last exhaust cap 3 is tightened on the valve seat outside.Because float 2 is placed on the packing ring in the valve seat 1, float 2 contacts with packing ring 5, can guarantee like this sealing of vacuum seal container.When in the vacuum hermetically sealed can gas being arranged, gas can upwards promote float 2, makes float 2 " come-up ", and when float 2 arrived the position of relief opening 7 in the exhaust cap 3, the valve support chamber 9 of exhaust cap 3 communicated with the float cavity of valve seat 1; Because relief opening 7 communicates with valve support chamber, relief opening just communicates with float cavity like this, and gas just can be discharged from relief opening 7; After gas was drained, float 2 fell back in the float cavity automatically.
Certainly, the utility model float also can adopt other applicable shapes, also can select other the mode that is fixedly connected with between exhaust cap and the valve seat, and such conversion all drops within the protection domain of the present utility model.
Claims (3)
1. a vacuum drying tank safety valve is characterized in that: comprise valve seat, float and exhaust cap, have the float cavity that adapts with float on the described valve seat; Have the valve support chamber that adapts with valve seat on the described exhaust cap, described exhaust cap sidewall has the relief opening that communicates with valve support chamber; Described exhaust cap is fixedly connected with valve seat.
2. according to vacuum drying tank safety valve claimed in claim 1, it is characterized in that: described float cross section is the T font, and described float cavity cross section also is the T font, is fixed with packing ring on the step surface of described valve seat T font float cavity.
3. according to claim 1 or 2 described vacuum drying tank safety valves, it is characterized in that: the arranged outside of described valve seat has outside thread, and described exhaust cap inboard is provided with the internal thread that outside thread adapts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320158553 CN203258128U (en) | 2013-04-01 | 2013-04-01 | Safety valve for vacuum drying tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320158553 CN203258128U (en) | 2013-04-01 | 2013-04-01 | Safety valve for vacuum drying tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203258128U true CN203258128U (en) | 2013-10-30 |
Family
ID=49470691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320158553 Expired - Fee Related CN203258128U (en) | 2013-04-01 | 2013-04-01 | Safety valve for vacuum drying tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203258128U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105967482A (en) * | 2016-06-27 | 2016-09-28 | 中冶华天工程技术有限公司 | Municipal sludge double-phase anaerobic digestion biogas production pilot-scale test equipment |
| CN107339475A (en) * | 2016-12-08 | 2017-11-10 | 安徽江淮汽车集团股份有限公司 | Safety air vavle |
-
2013
- 2013-04-01 CN CN 201320158553 patent/CN203258128U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105967482A (en) * | 2016-06-27 | 2016-09-28 | 中冶华天工程技术有限公司 | Municipal sludge double-phase anaerobic digestion biogas production pilot-scale test equipment |
| CN107339475A (en) * | 2016-12-08 | 2017-11-10 | 安徽江淮汽车集团股份有限公司 | Safety air vavle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20190401 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |