CN209026260U - A kind of explosion-proof valve - Google Patents
A kind of explosion-proof valve Download PDFInfo
- Publication number
- CN209026260U CN209026260U CN201920504336.XU CN201920504336U CN209026260U CN 209026260 U CN209026260 U CN 209026260U CN 201920504336 U CN201920504336 U CN 201920504336U CN 209026260 U CN209026260 U CN 209026260U
- Authority
- CN
- China
- Prior art keywords
- explosion
- guide slide
- flap
- support
- proof 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
Links
- 239000000428 dust Substances 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000035939 shock Effects 0.000 abstract description 11
- 230000007123 defense Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 7
- 238000009423 ventilation Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 230000001419 dependent effect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001739 rebound effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Safety Valves (AREA)
Abstract
The utility model discloses a kind of explosion-proof valves in Technology for Civil Air Defence Projects field, it is intended to solve the technical issues of flap opening and closing of civil air defense constructions and installations ventilation valve is dependent on weight.A kind of explosion-proof valve, including cylindrical housings, shell is hinged with flap positioned at intracorporal one end is covered, plate is connect by bolt with impact bar windward, impact bar sequentially passes through the first guide slide and the second guide slide, first guide slide and the second guide slide pass through first support respectively and second support is connect with shell, and impact bar is equipped with buffer spring；Connecting rod and self-locking support are hinged, and lock tongue is hinged with connecting rod, and the through-hole that lock tongue one end passes through self-locking holder top blocks flap, control the closure of flap, and the other end is connect by limit spring with self-locking support.A kind of explosion-proof valve flap provided by the utility model is not influenced by external force, and the energy automatic-closing valve after by the shock wave outside blindage, prevents shock wave from entering in blindage.
Description
Technical field
The utility model belongs to Technology for Civil Air Defence Projects field, and in particular to a kind of explosion-proof valve.
Background technique
Civil air defense projects are also civil air defense works, refer to ensure wartime personnel and goods and materials masking, people's air defence commander, doctor
Treat rescue and the underground protective structure individually built and combined ground wartime for building of building can be used for the basement of air defense.
Civil air defense constructions and installations is to be prepared for surprise attacks by the enemy, and effectively shelters personnel and goods and materials, saves the critical facility of war potential；It is to adhere to
Cities and towns fight, it is long-term to support war of anti-aggression until engineering support triumphantly.
The ventilation equipment of civil air defense constructions and installations mainly include that gate-type dangles formula explosion wave prevention active door, explosion-proof super sub- exhaust valve, automatic
Super sub- exhaust valve, Manual double-connecting rod sealing valve and hand-electric double link sealed valve.Gate-type dangle formula explosion wave prevention active door according to
It divulges information by multiple suspension plate type valve, but cannot effectively stop the solid particle in air, such as the fugitive dust etc. formed after explosion.
Super sub- exhaust valve depends on weight, deposits the phenomenon that weight is not vertical during installation, and either peacetime state or wartime shape
There is the possibility for generating deformation failure in state, the power that flap is all applied by weight for a long time.Sealed valve is mostly manual, valve
Opening and closing depends on manual operation, though there is electric closed valve door, dependent on electric power, there is also the risks for the failure that has a power failure.
Utility model content
The purpose of this utility model is to provide a kind of explosion-proof valves, to solve the valve of civil air defense constructions and installations ventilation valve in the prior art
The technical issues of valve opening and closing is dependent on weight.
In order to achieve the above objectives, the technical scheme adopted by the utility model is a kind of explosion-proof valve, including cylindrical housings
2, shell 2, which is located at, covers intracorporal one end and flap 9 hingedly, and one end outside blindage expands outwardly to form dust board in cone
21；Plate 1 is connect by bolt with impact bar 3 windward, and impact bar 3 sequentially passes through the first guide slide 41 and the second guide slide
51, the first guide slide 41 and the second guide slide 51 are connect by first support 4 and second support 5 with shell 2 respectively, are impacted
Bar 3 is equipped with buffer spring 31；Connecting rod 6 and self-locking support 7 are hinged, and lock tongue 8 and connecting rod 6 are hinged, and 8 one end of lock tongue passes through self-locking branch
The through-hole on 7 tops of seat blocks flap 9, controls the closure of flap 9, and the other end is connect by limit spring 81 with self-locking support 7.
The plate windward 1 covers dust board 21 in bowl-shape, forms airflow channel between dust board 21 and windward plate 1.
The shell 2 is equipped at least one balance port 23 on 21 side of dust board.
The center of circle of first guide slide 41 and the second guide slide 51 is located on the axis of shell 2.
The axis of the axis and impact bar 3 of the connecting rod 6 is in the same plane.
The buffer spring 31 is between the first guide slide 41 and the second guide slide 51.
The first support 4 and second support 5 are along the first guide slide 41 of installation and the second guide slide 51 respectively
The fashioned iron pillar at three 120 ° of intervals of the excircle setting of cylinder, first support 4 and second support 5 pass through bolt and shell 2
Connection.
The buffer spring 31 is fixed on impact bar 3 by fastening screw or anchor ear.
The sealing surface of the flap 9 is equipped with sealing rubber ring 91.
It further include fixed plate 22, fixed plate 22 is multiple doughnut-shaped steel plates that 2 outside of shell is arranged in.
Compared with prior art, the utility model it is achieved the utility model has the advantages that
(1) a kind of explosion-proof valve flap 9 provided by the utility model is not influenced by external force, and by the shock wave outside blindage
After can automatic-closing valve, prevent shock wave from entering in blindage；
(2) a kind of explosion-proof valve provided by the utility model realizes opening for valve by 9 self gravity of flap and mechanical self-latching
It closes, does not depend on electric power, high reliablity, explosion-proof effect is good；
(3) a kind of explosion-proof valve provided by the utility model can make air be stopped and be made twice before entering ventilation opening
Larger particles in air, which generate sedimentation, cannot be introduced into blindage.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of explosion-proof valve provided by the embodiment of the utility model；
Fig. 2 is a kind of guide slideway mechanism A-A schematic diagram of explosion-proof valve provided by the embodiment of the utility model；
Fig. 3 is a kind of self-locking structure schematic diagram of explosion-proof valve provided by the embodiment of the utility model；
In figure: 1. plates windward；2. shell；21. dust board；22. fixed plate；23. balance port；3. impact bar；31. buffering elastic
Spring；4. first support；41. the first guide slide；5. second support；51. the second guide slide；6. connecting rod；7. self-locking support；8.
Lock tongue；81. limit spring；9. flap；91. sealing rubber ring.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.Following embodiment is only used for clearly illustrating this
The technical solution of utility model, and cannot be used as a limitation the limitation protection scope of the utility model.
It should be noted that in the description of the present invention, term "front", "rear", "left", "right", "upper", "lower",
The orientation or positional relationship of the instructions such as "inner", "outside" is to be merely for convenience of based on orientation or positional relationship shown in the drawings
Description the utility model rather than require the utility model that must be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the utility model.Term "front", "rear" used in the utility model description, "left", "right", "upper", "lower" refer to
It is the direction in attached drawing, term "inner", "outside" refer respectively to the direction towards or away from geometric center of specific component.
As shown in Figure 1, a kind of explosion-proof valve, including cylindrical housings 2, shell 2, which is located at, covers intracorporal one end and the hinge of flap 9
It connecing, one end outside blindage expands outwardly to form dust board 21 in cone, and plate 1 covers dust board 21 in bowl-shape windward,
Airflow channel is formed between dust board 21 and windward plate 1.The external world be mixed with solid particle gas because windward the presence of plate 1 and
Cannot directly it be entered in blindage by explosion-proof valve, blowing the gas on plate 1 windward can be blocked, and the gas blown on wall can quilt
Wall reflection, occur gas slow down and solid sedimentation phenomenon, i.e., the solid particulate matter in air some can fall because of shock
Fall, the gas reflected can reach the back side of plate 1 windward, but at this time because of the presence of dust board 21, gas again with dust board 21
It hits, air velocity can further decrease, and solid particle is also further purified, and will be obtained hence into the air quality of blindage
To raising.
Plate 1 is connect by bolt with impact bar 3 windward, and there is a matched screw thread in the end of impact bar 3, impact bar 3 according to
It is secondary to pass through the first guide slide 41 and the second guide slide 51；As shown in Fig. 2, the first guide slide 41 and the second guide slide 51
The center of circle be located on the axis of shell 2, the first guide slide 41 and the second guide slide 51 pass through first support 4 and second respectively
Bracket 5 is connect with shell 2, and first support 4 and second support 5 are slided along installation the first guide slide (41) and the second guiding respectively
The fashioned iron pillar at three 120 ° of intervals of the excircle setting of the cylinder in road (51), first support 4 and second support 5 pass through bolt
It is connect with shell 2.Impact bar 3 is equipped with buffer spring 31, and buffer spring 31 can be fixed on punching by fastening screw or anchor ear
It hits on bar 3, the present embodiment uses fastening screw.It is line between impact bar 3 and the first guide slide 41 and the second guide slide 51
Contact, reduces mutual frictional force, the movement of impact bar 3 is more flexible, and buffer spring 31 is located at the first guide slide 41
And on the second impact bar 3 between guide slide 51,31 one side of buffer spring can play buffer function, another party to shock
Face can prevent impact bar 3 from exiting guide slide due to rebound effect.
As shown in figure 3, connecting rod 6 and self-locking support 7 are hinged, lock tongue 8 and connecting rod 6 are hinged, and 8 one end of lock tongue passes through self-locking support
The through-hole on 7 tops blocks flap 9, controls the closure of flap 9, and the other end is connect by limit spring 81 with self-locking support 7, this reality
It applies self-locking support 7 in example to be welded on shell 2, self-locking support 7 can also be bolted on shell 2.The axis of connecting rod 6
It is in the same plane with the axis of impact bar 3, impact bar 3 hits connecting rod 6, and connecting rod 6 drives lock tongue 8 to exit on self-locking support 7
The through-hole in portion, discharges flap 9, and flap 9 is closed under the effect of gravity.Limit spring 81 for prevent lock tongue 8 act it is excessive and by
It is exited in through-hole on self-locking support 7, the one side that lock tongue 8 prevents flap 9 from being closed is plane, and opposite one side is arc-shaped song
Face.After impact disappears, limit spring 81 pushes lock tongue 8 to be restored to initial position.The sealing surface of flap 9 is equipped with sealing rubber ring
91, when flap 9 is closed, sealing rubber ring 91 plays buffer function, and after flap 9 is closed, sealing rubber ring 91 plays sealing function.
Usually, explosion-proof valve is in state shown in Fig. 1, for covering intracorporal ventilation.Flap 9 is open state at this time, and by
Lock tongue 8 limits, and cannot fall after rise；The state in a vertical shape of connecting rod 6, plate 1 is located at together with impact bar 3 windward is close to outside left, air-flow
Entered in blindage by the channel windward between plate 1 and dust board 21, covering intracorporal gas can also be discharged along this channel；Work as the external world
When there is shock wave, plate 1 is moved into blindage windward for shock wave promotion, and impact bar 3 is oriented in the promotion lower edge first of plate 1 windward
51 quick washing connecting rod 6 of slideway 41 and the second guide slide, connecting rod 6 drive lock tongue 8 to be retracted into the through-hole of self-locking support 7, at this point,
Flap 9 is unlocked, and flap 9 is closed under the effect of gravity, thus achieve the purpose that prevent shock wave from entering blindage, in addition, due to
The unique texture of plate 1 and dust board 21 can stop shock wave to a certain extent windward, to reduce the impact that flap 9 is subject to
Power.Due in the moment by impact wave impact, close to a closed space inside explosion-proof valve chest 2, in explosion-proof valve
The bounce that gas was compressed and generated by moment is possible to hinder the movement of plate 1 windward, and impact bar 3 is caused to hit the power of connecting rod 6
Degree is inadequate, so that flap 9 can not be unlocked.One or two balance port is equipped with for this purpose, being located on 21 side of dust board in shell 2
23, for discharging the gas rapidly compressed inside shell 2, to improve the reliability that flap 9 is unlocked.When foreign impacts wave disappears
After mistake, flap 9 is pushed out manually, and flap 9 is rotated around articulated shaft, when touching the curved surface of lock tongue 8, by squeezing lock tongue
In 8 indentation through-holes, after flap 9 crosses lock tongue 8, continues to rotate and push connecting rod 6 open, connecting rod 6 pushes impact bar 3 to move out, windward
Plate 1 is open, and airflow channel re-forms, and unclamps flap 9 at this time, flap 9 is again in the state locked by lock tongue 8.Work as blindage
When domestic demand will force air draft, the flap 9 that wind pressure can push closure open is exhausted, and when wind pressure is sufficiently large, above-mentioned hand may be implemented
The dynamic operating process for opening flap 9 is until flap 9 is relocked.When the external world does not have shock wave, and needs to close explosion-proof valve,
Lock tongue 8 only need to be tapped inside blindage, flap 9 can be unlocked, be realized the closure of explosion-proof valve.
Anti-explosion valve structure described in the utility model is simple, realizes opening for valve by 9 self gravity of flap and mechanical self-latching
It closes, does not depend on electric power, 9 ontology of flap is not by additional active force, high reliablity, and explosion-proof effect is good.Usually it can be used in blindage
Dustproof ventilated, raising cover intracorporal air quality.It is adopted between the plate windward 1 and impact bar 3 of explosion-proof valve described in the utility model
It is connected with；It is connected by screw bolts between first support 4 and second support 5 and shell 2, maintenance and replacement zero easy to repair
Part.It is additionally provided with fixed plate 22 in the outside of shell 2, fixed plate 22 is multiple doughnut-shaped steel plates that 2 outside of shell is arranged in, specific number
Amount can be increased or decreased according to actual requirement, for reinforcing the connection of explosion-proof valve Yu armored concrete blindage.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and deformations can also be made, these change
It also should be regarded as the protection scope of the utility model into deformation.
Claims (10)
1. a kind of explosion-proof valve, characterized in that including cylindrical housings (2), shell (2), which is located at, covers intracorporal one end and flap (9)
Hingedly, one end outside blindage expands outwardly to form dust board (21) in cone；
Plate (1) is connect by bolt with impact bar (3) windward, and impact bar (3) sequentially passes through the first guide slide (41) and second
Guide slide (51), the first guide slide (41) and the second guide slide (51) pass through first support (4) and second support respectively
(5) it is connect with shell (2), impact bar (3) is equipped with buffer spring (31)；
Hingedly, hingedly, lock tongue (8) one end passes through self-locking support (7) for lock tongue (8) and connecting rod (6) for connecting rod (6) and self-locking support (7)
The through-hole on top blocks flap (9), controls the closure of flap (9), and the other end is connected by limit spring (81) and self-locking support (7)
It connects.
2. explosion-proof valve according to claim 1, characterized in that the plate windward (1) covers dust board (21) in bowl-shape,
Airflow channel is formed between dust board (21) and windward plate (1).
3. explosion-proof valve according to claim 1, characterized in that the shell (2) is equipped with extremely on dust board (21) side
A few balance port (23).
4. explosion-proof valve according to claim 1, characterized in that first guide slide (41) and the second guide slide
(51) the center of circle is located on the axis of shell (2).
5. explosion-proof valve according to claim 1, characterized in that the axis of the connecting rod (6) and the axis position of impact bar (3)
In in same plane.
6. explosion-proof valve according to claim 1, characterized in that the buffer spring (31) is located at the first guide slide (41)
And second between guide slide (51).
7. explosion-proof valve according to claim 1, characterized in that the first support (4) and second support (5) are edge respectively
The fashioned iron at three 120 ° of intervals of the excircle setting of the cylinder of the first guide slide (41) and the second guide slide (51) is installed
Pillar, first support (4) and second support (5) are connect by bolt with shell (2).
8. explosion-proof valve according to claim 1, characterized in that the buffer spring (31) is solid by fastening screw or anchor ear
It is scheduled on impact bar (3).
9. explosion-proof valve according to claim 1, characterized in that the sealing surface of the flap (9) is equipped with sealing rubber ring
(91)。
10. explosion-proof valve according to claim 1, characterized in that further include fixed plate (22), fixed plate (22) is that setting exists
Multiple doughnut-shaped steel plates on the outside of shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920504336.XU CN209026260U (en) | 2019-04-15 | 2019-04-15 | A kind of explosion-proof valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920504336.XU CN209026260U (en) | 2019-04-15 | 2019-04-15 | A kind of explosion-proof valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209026260U true CN209026260U (en) | 2019-06-25 |
Family
ID=66911914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920504336.XU Expired - Fee Related CN209026260U (en) | 2019-04-15 | 2019-04-15 | A kind of explosion-proof valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209026260U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696517A (en) * | 2020-12-28 | 2021-04-23 | 广州特种机电设备检测研究院 | Low-wind-resistance internal-hidden type passive explosion-proof device for dust explosion |
-
2019
- 2019-04-15 CN CN201920504336.XU patent/CN209026260U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696517A (en) * | 2020-12-28 | 2021-04-23 | 广州特种机电设备检测研究院 | Low-wind-resistance internal-hidden type passive explosion-proof device for dust explosion |
| CN112696517B (en) * | 2020-12-28 | 2022-08-09 | 广州特种机电设备检测研究院 | Low-wind-resistance internal-hidden type passive explosion-proof device for dust explosion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190625 |