CN202501054U - Automatic safety valve - Google Patents
Automatic safety valve Download PDFInfo
- Publication number
- CN202501054U CN202501054U CN2012201211608U CN201220121160U CN202501054U CN 202501054 U CN202501054 U CN 202501054U CN 2012201211608 U CN2012201211608 U CN 2012201211608U CN 201220121160 U CN201220121160 U CN 201220121160U CN 202501054 U CN202501054 U CN 202501054U
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- valve body
- cylinder
- self
- fuse
- piston
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- Expired - Fee Related
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Abstract
The utility model discloses an automatic safety valve which comprises a valve body, a cylinder, a gas generator, a piston, a piston rod, a seal head and a self-locking device. An inlet and an outlet are arranged on the valve body; the cylinder is arranged outside the valve body and connected with the valve body, and an overflow port is arranged on the side wall in the middle of the cylinder; a gas generator is located at the top end of the cylinder and composed of a fixing outer casing, a gas generating agent, a fuse and an ignition lead wire, the gas generating agent and the fuse are fixed in the fixing outer casing, the ignition lead wire is connected with the fuse, and the fuse is connected with the gas generating agent; the piston is located in the cylinder and connected with the seal head through the piston rod which penetrates through the valve body, the seal head is located in the valve body, and a seal ring is arranged at the connection position of the piston rod and the valve body; and the self-locking device is composed of a spring and a self-locking pin. According to the automatic safety valve, the automatic control can be conveniently achieved without an additional power drive device, the driving power is large, and the automatic safety valve can be rapidly, reliably and easily closed.
Description
Technical field
The utility model relates to a kind of automatic safe valve.
Background technique
As everyone knows; If when fluid take place to leak, close when not anxious, can cause waste and accident, if can be fast automatic pipeline is closed then can avoid the generation of these things; Yet want to realize automatic-closing valve, just need power (electric power, aerodynamic force etc.).Be provided with that power plant can make that the automatic control system cost improves, complex structure (when driving power requires when big all the more so), reliability also can descend.If a valve that does not need the additional power device also can realize and closing is automatically arranged, just can address the above problem.Therefore, need a kind of like this automatic valve to solve these problems.
The model utility content
To above-mentioned existing technology, the utility model provides a kind of automatic safe valve.
The utility model is through following technological scheme:
A kind of automatic safe valve comprises valve body, and valve body is provided with entrance and exit, also comprises cylinder, gas generator, piston, piston rod, sealing head and self-locking device, and wherein, cylinder is located at outside the valve body and with valve body and is connected, and cylinder middle part sidewall is provided with overfall; Gas generator is positioned at the cylinder top; Gas generator is made up of set casing (similar cartridge case), gas-forming agent, fuse and ignition fuse; Gas-forming agent and fuse are fixed in the set casing, and ignition fuse is connected with fuse, and fuse is connected with gas-forming agent; Piston is positioned at cylinder, and sealing head is positioned at valve body, and piston is connected with sealing head through the piston rod that passes valve body, and piston rod and valve body joint are provided with seal ring; Self-locking device is made up of spring and self-lock pin, and spring one end is fixed on the valve body, and the other end is connected with self-lock pin, and the cylinder lower sides is provided with the self-locking lock-joint, and self-lock pin is positioned at the self-locking lock-joint, and piston rod is provided with stop block.
Said gas generator is through cylinder head (at the cylinder the topmost part) and be bolted to cylinder head (set casing of gas generator being fixed on cylinder head through cylinder head and bolt).
Working principle is: during use, the automatic safe valve of the utility model is installed on the fluid circuit, ignition fuse is connected with control circuit.When the generation emergency episode needed throttle down, control circuit added trigger current to ignition fuse, thereby ignites igniter fuse; And then the igniting gas propellant, producing a large amount of gases, gas promotes piston and moves downward; Sealing head is blocked valve closing with the valve body inlet.When not working, the piston home position is positioned at the overfall top, and the stop block of piston rod is positioned at self-locking lock-joint top; During work, after gas-forming agent was ignited, piston, piston rod were pushed and travel forward; When stop block moved to self-locking lock-joint below, self-lock pin stretched out from the self-locking lock-joint under spring action, blocks stop block; Prevent its return motion, at this moment, piston is positioned at the overfall below; Gas overflows from overfall, prevents that gas is trapped in to cause other accident (gas-forming agent can adopt the bigger explosive of driving force) in the cylinder.
Said gas-forming agent is an existing products in the existing technology, and is widely used in the air bag system of automobile, repeats no more at this.
The automatic safe valve of the utility model does not need the additional power drive unit just can easily realize automatic control, and driving force is big; Close rapidly, reliably, realize that expirator is a separate part easily; Be disposable products (similar bullets); After circuit failure was got rid of, the bolt of outwarding winding was changed new getting final product, and cost is low.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Wherein, 1, bolt; 2, gas generator; 3, piston; 4, overfall; 5, cylinder; 6, seal ring; 7, sealing head; 8, inlet; 9, ignition fuse; 10, self-locking bolt; 11, spring; 12, outlet; 13, valve body.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
A kind of automatic safe valve; Comprise valve body 13, valve body 13 is provided with inlet 8 and outlet 12, also comprises cylinder 5, gas generator 2, piston 3, piston rod, sealing head 7 and self-locking device; As shown in Figure 1; Wherein, cylinder 5 is located at outside the valve body 13 and with valve body 13 and is connected, and cylinder 5 middle part sidewalls are provided with overfall 4; Gas generator 2 is fixed on cylinder 5 tops through bolt 1; Gas generator 2 is made up of set casing, gas-forming agent, fuse and ignition fuse 9; Gas-forming agent and fuse are fixed in the set casing, and ignition fuse 9 is connected with fuse, and fuse is connected with gas-forming agent; Piston 3 is positioned at cylinder 5, and sealing head 7 is positioned at valve body 13, and piston 3 is connected with sealing head 7 through the piston rod that passes valve body 13, and piston rod and valve body 13 joints are provided with seal ring 6; Self-locking device is made up of spring 11 and self-lock pin 10, and spring 11 1 ends are fixed on the valve body 13, and the other end is connected with self-lock pin 10, and cylinder 5 lower sides are provided with the self-locking lock-joint, and self-lock pin 10 is positioned at the self-locking lock-joint, and piston rod is provided with stop block.
Working principle is: during use, the automatic safe valve of the utility model is installed on the fluid circuit, ignition fuse 9 is connected with control circuit.When the generation emergency episode needed throttle down, control circuit added trigger current to ignition fuse 9, thereby ignites igniter fuse; And then the igniting gas propellant, producing a large amount of gases, gas promotes piston 3 and travels forward; Sealing head 7 is blocked valve closing with the inlet 8 of valve body 13.When not working, piston 3 home positions are positioned at overfall 4 tops, and the stop block of piston rod is positioned at self-locking lock-joint top, during work; After gas-forming agent was ignited, piston 3, piston rod were pushed and travel forward, and when stop block moved to self-locking lock-joint below, self-lock pin 10 stretched out from the self-locking lock-joint under spring 11 effects; Block stop block, prevent its return motion, at this moment; Piston 3 is positioned at overfall 4 belows, and gas overflows from overfall 4, prevents that gas is trapped in the cylinder 5 to cause other accident.
Claims (2)
1. an automatic safe valve comprises valve body, and valve body is provided with entrance and exit; It is characterized in that: also comprise cylinder, gas generator, piston, piston rod, sealing head and self-locking device; Wherein, cylinder is located at outside the valve body and with valve body and is connected, and cylinder middle part sidewall is provided with overfall; Gas generator is positioned at the cylinder top, and gas generator is by set casing, gas-forming agent, and fuse and ignition fuse constitute, and gas-forming agent and fuse are fixed in the set casing, and ignition fuse is connected with fuse, and fuse is connected with gas-forming agent; Piston is positioned at cylinder, and sealing head is positioned at valve body, and piston is connected with sealing head through the piston rod that passes valve body, and piston rod and valve body joint are provided with seal ring; Self-locking device is made up of spring and self-lock pin, and spring one end is fixed on the valve body, and the other end is connected with self-lock pin, and the cylinder lower sides is provided with the self-locking lock-joint, and self-lock pin is positioned at the self-locking lock-joint.
2. a kind of automatic safe valve according to claim 1, it is characterized in that: said gas generator is through being bolted to cylinder head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201211608U CN202501054U (en) | 2012-03-27 | 2012-03-27 | Automatic safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201211608U CN202501054U (en) | 2012-03-27 | 2012-03-27 | Automatic safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202501054U true CN202501054U (en) | 2012-10-24 |
Family
ID=47037668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201211608U Expired - Fee Related CN202501054U (en) | 2012-03-27 | 2012-03-27 | Automatic safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202501054U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606775A (en) * | 2012-03-27 | 2012-07-25 | 山东大学 | Automatic safety valve |
| CN111824032A (en) * | 2019-04-16 | 2020-10-27 | 宁波均胜汽车安全系统有限公司 | Portable terminal setting system, control system, protection system and steering wheel |
-
2012
- 2012-03-27 CN CN2012201211608U patent/CN202501054U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606775A (en) * | 2012-03-27 | 2012-07-25 | 山东大学 | Automatic safety valve |
| CN111824032A (en) * | 2019-04-16 | 2020-10-27 | 宁波均胜汽车安全系统有限公司 | Portable terminal setting system, control system, protection system and steering wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20140327 |