CN201081038Y - Respiratory valve - Google Patents
Respiratory valve Download PDFInfo
- Publication number
- CN201081038Y CN201081038Y CNU2007200541633U CN200720054163U CN201081038Y CN 201081038 Y CN201081038 Y CN 201081038Y CN U2007200541633 U CNU2007200541633 U CN U2007200541633U CN 200720054163 U CN200720054163 U CN 200720054163U CN 201081038 Y CN201081038 Y CN 201081038Y
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- negative pressure
- loam cake
- pressing plate
- 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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- Safety Valves (AREA)
Abstract
The utility model discloses a novel pressure vent valve, belonging to the valve field, in particular relates to fire retardant and ventilative safety equipment of a tank type special car. The utility model consists of an upper cover, a valve body and a valve core, wherein, the valve core consists of a positive pressure spring, a negative pressure spring, a positive pressure plate, a negative pressure plate, a screw and a nut, and is arranged on the valve body; the upper cover covers on the valve core; the positive pressure spring is arranged between the upper cover and the valve body; the positive pressure plate covers on the valve body; a refractory block is arranged between the upper cover and a shell of the valve body; a check valve is arranged in the valve body and prevents leakage of liquid in a tank. The utility model has simple and reasonable structure, increases functions of the pressure vent valve, not only has fire retardant function, but also prevents leakage in accidental conditions such as overturning and so on, thereby increasing safety.
Description
Technical field
The utility model inhalation valve belongs to the valve field, particularly relates to a kind of back-fire relief ventilation safety equipment of pot type special car, has the back-fire relief function, can prevent the inhalation valve of seepage again under fortuitous events such as overturning.
Background technique
Inhalation valve is a kind of parts that are used to adjust the tank body inside and outside differential pressure commonly used on the normal pressure pot type vehicle, major function is adjusted the tank body inside and outside differential pressure exactly, the Security of the inhalation valve of existing pot type special car in design is not enough, because the increase of transport volume, the pot type special car causes seepage easily under fortuitous events such as overturning, cause serious accident, need increase safety Design for the inhalation valve of pot type special car, guarantee back-fire relief and prevent seepage.
Summary of the invention
The purpose of this utility model is to avoid the deficiencies in the prior art part, and provides a kind of safe, has not only had the back-fire relief function, but also can prevent the inhalation valve of seepage under fortuitous events such as overturning.
The purpose of this utility model reaches by following measure, it is by loam cake, valve body and spool are formed, spool is by positive pressing spring, negative pressure spring, malleation pressing plate, the negative pressure pressing plate, screw rod, nut is formed, and spool is installed on the valve body, loam cake covers on spool, positive pressing spring is installed between loam cake and the valve body, and the malleation platen cover is on valve body, and malleation pressing plate and negative pressure pressing plate are installed on the screw rod, the negative pressure spring is installed on the screw rod, nut fixed positive pressure pressing plate and negative pressure pressing plate are provided with the back-fire relief pad between loam cake and valve shell, inhalation valve exhale and when air-breathing all by the back-fire relief pad, play the effect of back-fire relief, be provided with an one-way valve in valve body, when inhalation valve overturn, one-way valve stoped the pot liquid seepage.
The utility model is provided with the back-fire relief pad between loam cake and valve shell, valve shell is provided with a boss, and the back-fire relief pad is placed on the boss.
The utility model is provided with the back-fire relief pad between loam cake and valve shell, loam cake is provided with a boss, and the back-fire relief pad is placed on the boss.
The utility model is provided with an one-way valve in valve body, be provided with dividing plate in valve body, and through hole is arranged on dividing plate, be arranged to the conical surface in the through hole, be arranged with a spheroid at the valve body internal partition, when inhalation valve overturns, the through hole of spheroid landing on dividing plate stops the pot liquid seepage.
The utility model dividing plate is provided with sealing gasket.Can increase the sealing of spheroid and through hole.
The utility model is simple and reasonable, has increased the function of inhalation valve, has not only had the back-fire relief function, but also can prevent seepage under fortuitous events such as overturning, has increased Security.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the utility model is by loam cake 1, valve body 5 and spool are formed, and spool is by positive pressing spring 2, negative pressure spring 8, malleation pressing plate 9, negative pressure pressing plate 10, screw rod 3, nut 4 is formed, spool is installed on the valve body, loam cake covers on spool, and positive pressing spring is installed between loam cake and the valve body, and positive pressing spring one end withstands on loam cake, the positive pressing spring the other end withstands on the malleation pressing plate, the malleation platen cover is on valve body, and malleation pressing plate and negative pressure pressing plate are installed on the screw rod, and the negative pressure spring is installed on the screw rod, nut fixed positive pressure pressing plate and negative pressure pressing plate, be provided with back-fire relief pad 6 between loam cake and valve shell, valve shell is provided with a boss 12, and the back-fire relief pad is placed on the boss, loam cake is provided with a retaining boss, and the retaining boss cooperates with the boss of valve shell.In valve body, be provided with an one-way valve, one-way valve is that dividing plate 11 and spheroid 7 are formed, in valve body, be provided with dividing plate 11, through hole is arranged on dividing plate, the conical surface is arranged in the through hole, be arranged with a spheroid at the valve body internal partition, be arranged with baffle plate 13 at the valve body interior spheroid, spheroid is placed on the baffle plate 13.Valve body is installed on the pot type special car tank body, when the jar internal pressure reaches certain numerical value greater than the jar pressure outside, positive pressing spring is compressed, spool integral body moves up, internal gas enters air by gap, the back-fire relief pad of 5 of loam cake 1 and valve bodies, and when pressure difference is reduced to certain value, positive pressing spring recovers elastic force, the whole returning position downwards of spool, inhalation valve cuts out.When the jar internal pressure reached certain numerical value less than the jar pressure outside, the negative pressure spring was compressed, and the integral body that the screw rod 3 in the spool, nut 4, negative pressure pressing plate 10 are formed moves down, and outside air enters tank body by gap, the back-fire relief pad of 5 of loam cake 1 and valve bodies.When pressure difference is reduced to certain value, the negative pressure spring recovers elastic force, the integral body that the screw rod 3 in the spool, nut 4, negative pressure pressing plate 10 the are formed returning position that makes progress, and inhalation valve cuts out.Exhale and when air-breathing all by the back-fire relief pad, so can back-fire relief.When the pot type vehicle owing to overturn or other fortuitous event, when placing the inhalation valve of vehicle roof to translate into the bottom, spheroid can landing to the conical surface of dividing plate 11, closed check valve stops the pot liquid seepage.The through hole is provided with sealing gasket on dividing plate, increases the sealing of spheroid and through hole.
Claims (5)
1. inhalation valve, by loam cake, valve body and spool are formed, spool is by positive pressing spring, negative pressure spring, malleation pressing plate, the negative pressure pressing plate, screw rod, nut is formed, and spool is installed on the valve body, loam cake covers on spool, positive pressing spring is installed between loam cake and the valve body, and the malleation platen cover is on valve body, and malleation pressing plate and negative pressure pressing plate are installed on the screw rod, the negative pressure spring is installed on the screw rod, nut fixed positive pressure pressing plate and negative pressure pressing plate is characterized in that being provided with the back-fire relief pad between loam cake and valve shell, are provided with an one-way valve in valve body.
2. inhalation valve according to claim 1 is characterized in that valve shell is provided with a boss, and the back-fire relief pad is placed on the boss.
3. inhalation valve according to claim 1 is characterized in that loam cake is provided with a boss, and the back-fire relief pad is placed on the boss.
4. according to claim 1 or 2 or 3 described inhalation valves, it is characterized in that one-way valve is that dividing plate and spheroid are formed, and is provided with dividing plate in valve body, through hole is arranged on dividing plate, the conical surface is arranged in the through hole, is arranged with a spheroid at the valve body internal partition, is arranged with baffle plate at the valve body interior spheroid.
5. inhalation valve according to claim 4 is characterized in that dividing plate is provided with sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200541633U CN201081038Y (en) | 2007-07-12 | 2007-07-12 | Respiratory valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200541633U CN201081038Y (en) | 2007-07-12 | 2007-07-12 | Respiratory valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201081038Y true CN201081038Y (en) | 2008-07-02 |
Family
ID=39614710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200541633U Expired - Fee Related CN201081038Y (en) | 2007-07-12 | 2007-07-12 | Respiratory valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201081038Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475079B (en) * | 2009-01-21 | 2011-06-08 | 陈岳荣 | Respiratory valve |
| CN102506207A (en) * | 2011-10-20 | 2012-06-20 | 中国人民解放军总后勤部军需装备研究所 | Breather valve |
| CN104455606B (en) * | 2014-10-30 | 2016-08-17 | 中国船舶工业系统工程研究院 | A kind of filtering separator for fuel of jet airplane Self-breathing valve peculiar to vessel |
| KR101680617B1 (en) * | 2016-07-14 | 2016-11-29 | 주식회사 엑스큐시스템 | Safety relief valve and safety apparatus for blocking ignition factors with this |
| CN107998539A (en) * | 2017-11-30 | 2018-05-08 | 成都中寰流体控制设备股份有限公司 | A kind of fire retardant device and closed case back-fire relief method |
| CN110725981A (en) * | 2018-07-17 | 2020-01-24 | 摩托罗拉解决方案公司 | Breather valve capable of automatically testing |
| CN114593248A (en) * | 2022-02-18 | 2022-06-07 | 徐州八方安全设备有限公司 | Integrated long-time-combustion-resistant fire-retardant breather valve |
-
2007
- 2007-07-12 CN CNU2007200541633U patent/CN201081038Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475079B (en) * | 2009-01-21 | 2011-06-08 | 陈岳荣 | Respiratory valve |
| CN102506207A (en) * | 2011-10-20 | 2012-06-20 | 中国人民解放军总后勤部军需装备研究所 | Breather valve |
| CN104455606B (en) * | 2014-10-30 | 2016-08-17 | 中国船舶工业系统工程研究院 | A kind of filtering separator for fuel of jet airplane Self-breathing valve peculiar to vessel |
| KR101680617B1 (en) * | 2016-07-14 | 2016-11-29 | 주식회사 엑스큐시스템 | Safety relief valve and safety apparatus for blocking ignition factors with this |
| CN107998539A (en) * | 2017-11-30 | 2018-05-08 | 成都中寰流体控制设备股份有限公司 | A kind of fire retardant device and closed case back-fire relief method |
| CN110725981A (en) * | 2018-07-17 | 2020-01-24 | 摩托罗拉解决方案公司 | Breather valve capable of automatically testing |
| CN110725981B (en) * | 2018-07-17 | 2021-08-17 | 摩托罗拉解决方案公司 | Breather valve capable of automatically testing |
| CN114593248A (en) * | 2022-02-18 | 2022-06-07 | 徐州八方安全设备有限公司 | Integrated long-time-combustion-resistant fire-retardant breather valve |
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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: 20080702 Termination date: 20160712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |