CN211736938U - Civil air defense engineering hangs explosion-proof valve of pendulum-type - Google Patents
Civil air defense engineering hangs explosion-proof valve of pendulum-type Download PDFInfo
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- CN211736938U CN211736938U CN201922347858.6U CN201922347858U CN211736938U CN 211736938 U CN211736938 U CN 211736938U CN 201922347858 U CN201922347858 U CN 201922347858U CN 211736938 U CN211736938 U CN 211736938U
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- baffle
- proof valve
- explosion
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- civil air
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Abstract
The utility model discloses an explosion-proof valve of civil air defense engineering pendulum formula of hanging, a door body, square mouth has been seted up on the right side of the door body, the mounting groove has been seted up on the top of square mouth, the mounting groove is inside to be provided with the baffle through the pivot activity, the inside fixed noise damping layer that is provided with of baffle, a plurality of noise damping holes and noise damping layer intercommunication have been seted up in the left side of baffle, square mouthful of top is at the fixed backup pad that is provided with in right side of baffle, the bottom of backup pad is provided with the telescopic link through the pivot activity, the right side swing joint of pivot and baffle is passed through in the left side of telescopic link, the outside movable sleeve of telescopic link is equipped with first spring, the recess has been seted up to the bottom of square mouth, the recess is inside to. The utility model discloses simple structure can realize the auto-lock when explosion-proof valve closes, makes the sealed that explosion-proof valve can be better.
Description
Technical Field
The utility model relates to an explosion-proof valve technical field specifically is a civil air defense engineering hangs explosion-proof valve of pendulum-type.
Background
The protection ventilation equipment who is used for guaranteeing incessant ventilation in the engineering under the condition that suffers from air attack among the civil air defense engineering generally uses with the diffusion room combines, divide into according to the difference of material and hang pendulum-type and rubber tube formula two kinds, and the main part is the steel structure, suffers from nuclear explosion blast wave can automatic closure in the twinkling of an eye, protects the inside ventilation equipment of engineering and does not suffer destruction.
However, the currently used civil air defense engineering suspended pendulum type explosion-proof valve can be closed when being impacted by shock waves, but self-locking cannot be realized, and the explosion-proof valve is easy to rebound after being impacted, so that the explosion-proof valve cannot be closed well; and can produce great noise when present shock wave striking, can cause personnel's eardrum to be injured.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an explosion-proof valve of civil air defense engineering pendulum formula is hung to the problem of proposing among the above-mentioned background art is solved.
In order to achieve the above object, the utility model provides a following technical scheme: a civil air defense engineering suspended swinging type explosion-proof valve comprises a valve body, wherein a square opening is formed in the right side of the valve body, a mounting groove is formed in the top end of the square opening, a baffle is movably arranged in the mounting groove through a rotating shaft, a silencing layer is fixedly arranged in the baffle, a plurality of silencing holes are formed in the left side of the baffle and communicated with the silencing layer, a supporting plate is fixedly arranged at the right side of the baffle at the top end of the square opening, a telescopic rod is movably arranged at the bottom end of the supporting plate through the rotating shaft, the left side of the telescopic rod is movably connected with the right side of the baffle through the rotating shaft, a first spring is movably sleeved on the outer side of the telescopic rod, a groove is formed in the bottom end of the square opening, a limiting block is movably arranged in the groove through the rotating shaft, a second, the left side of stopper has both ends to all pass the recess setting on the top of recess, the fixed operation piece that is provided with in right side top of stopper.
Preferably, a first rubber pad is fixedly arranged on the left side of the baffle above the telescopic rod.
Preferably, a handle is fixedly arranged on the right side of the baffle.
Preferably, the shape of the limiting block is C-shaped, and the left side of the limiting block is obliquely arranged.
Preferably, the baffle engages with a square mouth.
Preferably, a second rubber pad is fixedly arranged on the outer side of the operating block.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model can be supported by the baffle under the action of the elastic force of the first spring when in normal use, so that the bottom end of the baffle is inclined towards the left side, when the shock wave is exploded, the shock wave contacts the left side of the baffle plate, the bottom end of the baffle plate moves to the right side under the impact of the shock wave, the first spring is compressed, the bottom end of the baffle is in contact with the left side of the limiting block when moving, the baffle can extrude the left side of the limiting block to move downwards through the rotating shaft at the moment, the left side of the limiting block is arranged in the groove at the moment, the baffle can be vertically arranged at the moment, the left side of the limiting block can move upwards under the action of the second spring at the moment, the left side of the limiting block is arranged on the left side of the baffle, the baffle is arranged between the limiting block and the supporting plate at the moment, the square opening can be sealed through the baffle, and the baffle can realize self-locking;
2. the utility model discloses a bloop and amortization layer can effectually reduce the produced sound of shock wave striking, have reduced the propagation of noise, can effectually prevent that personnel's eardrum is injured.
Drawings
FIG. 1 is a schematic view of the whole structure of the civil air defense engineering suspended swing type explosion-proof valve of the present invention;
FIG. 2 is an enlarged schematic view of the civil air defense engineering suspended pendulum type explosion-proof valve at A in FIG. 1;
fig. 3 is an enlarged schematic view of the place B in fig. 1 of the civil air defense engineering suspended pendulum type explosion-proof valve of the present invention.
In the figure: 1. a door body; 2. a square opening; 3. mounting grooves; 4. a baffle plate; 5. a sound-deadening layer; 6. a silencing hole; 7. a support plate; 8. a telescopic rod; 9. a first spring; 10. a groove; 11. a limiting block; 12. a second spring; 13. an operation block; 14. a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a civil air defense engineering suspended swing type explosion-proof valve comprises a valve body 1, a square opening 2 is arranged on the right side of the valve body 1, a mounting groove 3 is arranged on the top end of the square opening 2, a baffle 4 is movably arranged in the mounting groove 3 through a rotating shaft, a silencing layer 5 is fixedly arranged in the baffle 4, a plurality of silencing holes 6 are arranged on the left side of the baffle 4 and communicated with the silencing layer 5, a supporting plate 7 is fixedly arranged on the right side of the baffle 4 on the top end of the square opening 2, a telescopic rod 8 is movably arranged at the bottom end of the supporting plate 7 through the rotating shaft, the left side of the telescopic rod 8 is movably connected with the right side of the baffle 4 through the rotating shaft, a first spring 9 is movably sleeved on the outer side of the telescopic rod 8, a groove 10 is arranged at the bottom end of the square opening 2, a limiting block 11 is movably arranged in the groove, both ends of the left side of the limiting block 11 penetrate through the groove 10 and are arranged at the top end of the groove 10, and the right side top end of the limiting block 11 is fixedly provided with an operation block 13.
A first rubber pad is fixedly arranged on the left side of the baffle 4 above the telescopic rod 8, and noise is generated when the baffle 4 is placed in contact with the first rubber pad;
a handle 14 is fixedly arranged on the right side of the baffle 4, so that the baffle 4 can be conveniently opened;
the shape of the limiting block 11 is C-shaped, and the left side of the limiting block 11 is obliquely arranged;
the baffle 4 is meshed with the square opening 2, so that the baffle 4 can seal the square opening 2;
and a second rubber pad is fixedly arranged on the outer side of the operating block 13, so that the anti-skid function is achieved.
The working principle is as follows: the utility model can be supported by the baffle 4 under the elastic force of the first spring 9 when in normal use, so that the bottom end of the baffle 4 is obliquely arranged towards the left side, when suffering from explosion shock wave, the shock wave can be contacted with the left side of the baffle 4, at the moment, the baffle 4 can move the bottom end of the baffle 4 towards the right side under the impact of the shock wave, and at the moment, the first spring 9 can be compressed, when the bottom end of the baffle 4 moves, the baffle 4 can be contacted with the left side of the limiting block 11, at the moment, the left side of the limiting block 11 can be extruded by the baffle 4 to move downwards through the rotating shaft, at the moment, the left side of the limiting block 11 is arranged inside the groove 10, at the moment, the baffle 4 can be vertically arranged, at the moment, the left side of the limiting block 11 can move upwards under the action of the second spring 12, the left side of the limiting block 11 is arranged at the left side, and through the produced sound of amortization hole 6 and amortization layer 5 can effectual reduction shock wave striking, when baffle 4 is opened to needs, through lifting the right side of stopper 11 upwards, the left side of stopper 11 moves down this moment, and baffle 4 can be opened under the restoring force of first spring 9 this moment, and the convenience of using is got up very.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an explosion-proof valve of civil air defense engineering pendulum formula that hangs, includes door body (1), its characterized in that: the door body is characterized in that a square opening (2) is formed in the right side of the door body (1), a mounting groove (3) is formed in the top end of the square opening (2), a baffle (4) is movably arranged in the mounting groove (3) through a rotating shaft, a silencing layer (5) is fixedly arranged in the baffle (4), a plurality of silencing holes (6) are formed in the left side of the baffle (4) and communicated with the silencing layer (5), a supporting plate (7) is fixedly arranged at the right side of the baffle (4) at the top end of the square opening (2), a telescopic rod (8) is movably arranged at the bottom end of the supporting plate (7) through a rotating shaft, the left side of the telescopic rod (8) is movably connected with the right side of the baffle (4) through a rotating shaft, a first spring (9) is movably sleeved on the outer side of the telescopic rod (8), a groove (10) is formed in the bottom end, the bottom left side of stopper (11) is fixed and is provided with second spring (12), the bottom and the inside bottom fixed connection of recess (10) of second spring (12), there are both ends in the left side of stopper (11) and all pass recess (10) and set up the top in recess (10), the fixed operation piece (13) that is provided with in right side top of stopper (11).
2. The civil air defense engineering suspended pendulum type explosion-proof valve as claimed in claim 1, characterized in that: a first rubber pad is fixedly arranged on the left side of the baffle (4) above the telescopic rod (8).
3. The civil air defense engineering suspended pendulum type explosion-proof valve as claimed in claim 1, characterized in that: a handle (14) is fixedly arranged on the right side of the baffle (4).
4. The civil air defense engineering suspended pendulum type explosion-proof valve as claimed in claim 1, characterized in that: the shape of the limiting block (11) is C-shaped, and the left side of the limiting block (11) is obliquely arranged.
5. The civil air defense engineering suspended pendulum type explosion-proof valve as claimed in claim 1, characterized in that: the baffle (4) is meshed with the square opening (2).
6. The civil air defense engineering suspended pendulum type explosion-proof valve as claimed in claim 1, characterized in that: and a second rubber pad is fixedly arranged on the outer side of the operating block (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922347858.6U CN211736938U (en) | 2019-12-24 | 2019-12-24 | Civil air defense engineering hangs explosion-proof valve of pendulum-type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922347858.6U CN211736938U (en) | 2019-12-24 | 2019-12-24 | Civil air defense engineering hangs explosion-proof valve of pendulum-type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211736938U true CN211736938U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922347858.6U Active CN211736938U (en) | 2019-12-24 | 2019-12-24 | Civil air defense engineering hangs explosion-proof valve of pendulum-type |
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| CN (1) | CN211736938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943060A (en) * | 2021-02-19 | 2021-06-11 | 山西聚脲防护材料有限公司 | Double-deck antiknock window convenient to installation |
-
2019
- 2019-12-24 CN CN201922347858.6U patent/CN211736938U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943060A (en) * | 2021-02-19 | 2021-06-11 | 山西聚脲防护材料有限公司 | Double-deck antiknock window convenient to installation |
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