CN207384666U - The explosion venting device that a kind of band resets - Google Patents
The explosion venting device that a kind of band resets Download PDFInfo
- Publication number
- CN207384666U CN207384666U CN201721423997.7U CN201721423997U CN207384666U CN 207384666 U CN207384666 U CN 207384666U CN 201721423997 U CN201721423997 U CN 201721423997U CN 207384666 U CN207384666 U CN 207384666U
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- cylinder
- propellant
- venting device
- protecgulum
- explosion venting
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Abstract
The utility model provides the explosion venting device that a kind of band resets, it includes the propellant cylinder that can be subjected to displacement during detonation, and protecgulum is equipped at the top of the propellant cylinder；The propellant cylinder is sleeved on by protecgulum inside cooling cylinder, and resetting spring is provided between the outer bottom of the propellant cylinder and the interior bottom of cooling cylinder.This device carries baffle structure, simple in structure, can effectively prevent itself detonation of aerosol fire-extinguishing device, and the timely venting of dust explosion of energy when deflagration phenomenon occurs, and ensures the safety of lives and properties.
Description
Technical field
The utility model belongs to fire-fighting equipment field, and in particular to the explosion venting device that a kind of band resets.
Background technology
As the improvement of people's living standards, security against fire consciousness is also stepping up, all kinds of fire extinguishers, extinguishing device
Demand is growing day by day, and particularly aerosol fire-extinguishing device is stored with its compact, without pressure, need not be laid with pipe network and maintenance, gone out
The advantages that fire is efficient, nontoxic, safe and reliable, environmentally protective is widely used, but simultaneously because production, transport etc.
Medicament defect caused by link, the phenomenon that detonation occurs on startup so as to cause extinguishing device, happen occasionally, due to detonation meeting
Substantial amounts of pressure high temperature hot gas is instantaneously generated, immense pressure is generated within the extremely short time, more than extinguishing device pressure-resistant in itself
The limit is exploded in itself so as to cause extinguishing device, seriously endangers the safety of personnel and equipment in protection zone.
In addition, at present, aerosol fire-extinguishing device due to production technology, production cost, design level etc. are many-sided not
It is effectively or even basic without design venting of dust explosion structure to design, once generation extinguishing device explosion consequence as caused by detonation can't bear to set
Think, gently then extinguishing device is scrapped, and preferable extinguishing effect is not achieved；It is heavy then generating causes the serious of casualties and property loss
Consequence.
Therefore, it is necessary to research and develop a kind of efficient apparatus, when deflagration phenomenon occurs can timely venting of dust explosion, ensure the peaces of lives and properties
Entirely.
Utility model content
The main purpose of the utility model is that providing the explosion venting device that a kind of band resets, this device carries baffle structure,
Its is simple in structure, can effectively prevent itself detonation of aerosol fire-extinguishing device, and can be in time when deflagration phenomenon occurs
Venting of dust explosion ensures the safety of lives and properties.
In order to realize above-mentioned technical characteristic, what the purpose of this utility model was realized in：The venting of dust explosion that a kind of band resets
Device, it includes the propellant cylinder that can be subjected to displacement during detonation, protecgulum is equipped at the top of the propellant cylinder；The propellant
Cylinder is sleeved on by protecgulum inside cooling cylinder, and reset is provided between the outer bottom of the propellant cylinder and the interior bottom of cooling cylinder
Spring.
The sieve normally spurted is provided on the protecgulum.
The propellant cylinder can be subjected to displacement along with the direction that protecgulum departs from.
Be machined with to release on the barrel of the cooling cylinder escape orifice of excessive pressure.
The sieve uses single hole or porous structure.
The propellant cylinder is single-ended closing thin-wall construction.
The cooling cylinder is single-ended closing thin-wall construction, and set escape orifice is single hole or porous structure on barrel.
The utility model has the advantages that：
1st, the utility model provides a kind of simple and effective, with reset explosion venting device, compact-sized simple, reliability
Height, it is easy for installation, and device service efficiency can be improved to greatest extent.
2nd, the explosion venting device of the utility model is by protecgulum, propellant cylinder, cooling agent cylinder and resetting spring efficient combination,
Propellant cylinder makes propellant cylinder generate position towards during thermal current injection direction counter motion by the deformation of resetting spring
It moves, until shift length enough all releases the pressure in propellant cylinder, while pressure is released to device by escape orifice
In extraneous air, effectively disperse huge kinetic energy caused by detonation, propellant cylinder is resetting bullet after pressure loading is released
It is resetted rapidly under the rebound effect of spring and continues normally to release from sieve, so not only avoided the risk that device generates explosion, but also energy
Device service efficiency is improved to greatest extent.
3rd, the deformation of the resetting spring of the utility model is converted into the kinetic energy of propellant cylinder, can also consume a part of energy
Amount.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is the utility model offsetting spring structure schematic diagram.
In figure：Protecgulum 1, propellant cylinder 2, cooling cylinder 3, resetting spring 4, sieve 5, escape orifice 6.
Specific embodiment
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
Referring to Fig. 1-2, a kind of explosion venting device of band reset, it includes the propellant cylinder 2 that can be subjected to displacement during detonation, described
The top of propellant cylinder 2 is equipped with protecgulum 1；The propellant cylinder 2 is sleeved on by protecgulum 1 inside cooling cylinder 3, the propellant
Resetting spring 4 is provided between 2 outer bottom of cylinder and the interior bottom of cooling cylinder 3.Wherein, the venting of dust explosion of explosion venting device directly acts on list
Member provides displacement space for propellant cylinder 2 during detonation, is resetted rapidly after pressure loading is released for resetting spring 4；In addition protecgulum
1 and cooling agent cylinder 3 propellant cylinder 2 can be made to be moved according to specified track.
Further, it is provided with the sieve normally spurted 5 on the protecgulum 1.Sieve 5 is normal leakage path and quick-fried
Secondary leakage path during combustion, single hole or porous structure, hole shape are circular, oval or other all plastic geometric forms
Shape.
Further, the propellant cylinder 2 can be subjected to displacement along the direction departed from protecgulum 1.
Preferably, the protecgulum 1 and cooling agent cylinder 3 are rigid connection, and clamping, riveting, welding, spiral shell can be used in connection mode
Line connection, pin connection etc., which are fixedly connected, can also be directly disposed as one, and protecgulum 1 is connected with propellant cylinder 2 for interfacial contact, must
It can be mutually disengaged when wanting and reset contact.
Further, be machined with to release on the barrel of the cooling cylinder 3 escape orifice 6 of excessive pressure.Escape orifice 6 is
Single hole or porous structure, hole shape are circular, oval or other all plastic geometries, function as detonation
When main leakage path.
Further, the propellant cylinder 2 is single-ended closing thin-wall construction.For reaction vessel and pressurised container, with protecgulum 1
Generation interfacial contact connects, while interfacial contact or rigid connection occurs with resetting spring 4, can be mutually disengaged or generate if necessary
Relative displacement and reset contact.
Further, the cooling cylinder 3 is single-ended closing thin-wall construction, and set escape orifice 6 is single hole or porous on barrel
Structure.
Preferably, with propellant cylinder 2 and cooling agent cylinder 3 interfacial contact company occurs for the resetting spring 4 of the utility model simultaneously
It connects or is rigidly connected, clamping, riveting, welding, thread connection, pin connection etc. can be used in rigid connection, and be fixedly connected can also
One is directly disposed as, resetting spring 4 generates deformation under pressure when deflagration phenomenon occurs, and propellant cylinder 2 is subjected to displacement,
Propellant cylinder 2 resets rapidly under the rebound effect of resetting spring 4 after pressure loading is released.
Utility model works process and operation principle are：
Referring to Fig. 1 and Fig. 2, when explosion venting device is applied when on aerosol fire-extinguishing device, it is specifically：Sieve 5 is used as gas
The bleed outlet of propellant cylinder 2 uses in aerosol fire extinguisher, and protecgulum 1 and cooling agent cylinder 3 are rigidly connected, and the two is connected to become
One, propellant cylinder 2 and cooling agent cylinder 3 generate interfacial contact and connect, while 4 collective effect of resetting spring can ensure propellant cylinder
2 will not be free to slide.
Under normal circumstances, explosion venting device does not start, and the medicament of aerosol fire-extinguishing device lights rear hot aerosol gas from sieve
Net 5 normally spurts, fire extinguishing.Only when detonation occurs, thermal current is gathered in 2 inner cavity of propellant cylinder during medicament detonation, is formed strong
Big impact kinetic energy, reaction force overcome the structural strength of resetting spring 4 so that propellant cylinder 2 is separated with protecgulum 1, is occurred
Agent cylinder 2 is moved backward to thermal current injection direction, is stopped when shift length enough all releases the pressure in propellant cylinder 2
It only moves, during propellant cylinder 2 moves, the thermal current for releasing out from 2 port of propellant cylinder passes through escape orifice 6
It is released in the air outside device, such whole process can well disappear impact force powerful caused by powder column detonation
Consumption is scattered, and propellant cylinder 2 is resetted rapidly under the rebound effect of resetting spring 4 and continued from sieve after pressure loading is released
5 normally release, and have so not only avoided device and have generated the risk of explosion, but also can improve device service efficiency to greatest extent.
The resetting spring 4 of the utility model can be monomer or combining structure, and concrete mode can be welding or splicing
It is integrated or straight forming is integrated, suitable structure is selected with specific reference to the detonation pressure data that experiment is drawn.
The specific constructive form of the explosion venting device of the utility model can be found in Fig. 1, Fig. 2, cooling agent cylinder 3 and protecgulum 1 in Fig. 1
Can be split or integral；In Fig. 1, resetting spring 4 and propellant cylinder 2 and cooling agent cylinder 3 can be splits
Or it is integral；The utility model is not limited only to more than structure, but also including any with this explosion venting device principle phase
Same other structures.
Similarly, the explosion venting device of the utility model can also be applied to fixed fire-extinguishing unit or others and Portable gas
Aerosol fire extinguisher on the product of the same or similar explosion type of the mechanism of fixed fire-extinguishing unit or similar occasion.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the technical solution that the scope of protection of the utility model should be recorded with claim, the technical solution recorded including claim
The equivalents of middle technical characteristic are protection domain.Equivalent substitution i.e. within this range is improved, also in the utility model
Protection domain within.
Claims (7)
1. a kind of explosion venting device that band resets, it is characterised in that：It includes the propellant cylinder that can be subjected to displacement during detonation（2）, institute
State propellant cylinder（2）Top protecgulum is installed（1）；The propellant cylinder（2）Pass through protecgulum（1）It is sleeved on cooling cylinder（3）It is interior
Portion, the propellant cylinder（2）Outer bottom and cooling cylinder（3）Interior bottom between be provided with resetting spring（4）.
2. a kind of explosion venting device that band resets according to claim 1, it is characterised in that：The protecgulum（1）Upper setting is useful
In the sieve normally spurted（5）.
3. a kind of explosion venting device that band resets according to claim 1, it is characterised in that：The propellant cylinder（2）It can edge
It and protecgulum（1）The direction of disengaging is subjected to displacement.
4. a kind of explosion venting device that band resets according to claim 1, it is characterised in that：The cooling cylinder（3）Barrel on
Be machined with to release the escape orifice of excessive pressure（6）.
5. a kind of explosion venting device that band resets according to claim 2, it is characterised in that：The sieve（5）Using single hole or
Porous structure.
6. a kind of explosion venting device that band resets according to claim 1, it is characterised in that：The propellant cylinder（2）To be single-ended
Close thin-wall construction.
7. a kind of explosion venting device that band resets according to claim 1, it is characterised in that：The cooling cylinder（3）For single-ended envelope
Close thin-wall construction, set escape orifice on barrel（6）For single hole or porous structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721423997.7U CN207384666U (en) | 2017-10-31 | 2017-10-31 | The explosion venting device that a kind of band resets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721423997.7U CN207384666U (en) | 2017-10-31 | 2017-10-31 | The explosion venting device that a kind of band resets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207384666U true CN207384666U (en) | 2018-05-22 |
Family
ID=62327462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721423997.7U Active CN207384666U (en) | 2017-10-31 | 2017-10-31 | The explosion venting device that a kind of band resets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207384666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111617408A (en) * | 2020-05-28 | 2020-09-04 | 湖北及安盾消防科技有限公司 | Fire extinguishing container and device |
-
2017
- 2017-10-31 CN CN201721423997.7U patent/CN207384666U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111617408A (en) * | 2020-05-28 | 2020-09-04 | 湖北及安盾消防科技有限公司 | Fire extinguishing container and device |
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