CN209799783U - suspended pendulum type explosion wave-proof valve - Google Patents
suspended pendulum type explosion wave-proof valve Download PDFInfo
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- CN209799783U CN209799783U CN201920231785.1U CN201920231785U CN209799783U CN 209799783 U CN209799783 U CN 209799783U CN 201920231785 U CN201920231785 U CN 201920231785U CN 209799783 U CN209799783 U CN 209799783U
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Abstract
The utility model relates to a pendulum formula explosion-proof ripples valve, including the guard gate, the blow vent has been seted up on the guard gate, the fixed arm that is provided with in blow vent top, it is provided with the swinging boom to rotate on the fixed arm, the fixed hanger plate that is used for sealing the blow vent under the shock wave effect that is provided with of swinging boom lower extreme, the one side that hanger plate is relative with the guard gate is provided with first U-shaped groove along the hanger plate edge, the connecting wire at first U-shaped groove both ends is located same straight line with the upper end of blow vent, be provided with the second U-shaped groove relative with first U-shaped groove on the guard gate, first U-shaped inslot is folding to be provided with flexible filter layer, the one end and the first U-shaped groove of filter layer folding direction are connected, the one end that first U-shaped groove was kept away. When the suspended pendulum type explosion-proof wave valve is used, dust and smoke in the external environment can be prevented from entering a room when the suspension plate is opened again.
Description
Technical Field
The utility model relates to a civil air defense engineering equipment field especially relates to a pendulum formula explosion-proof ripples valve.
Background
The explosion-proof valve is a protective ventilation device used in civil air defense engineering to ensure uninterrupted ventilation in the engineering under the condition of air attack, is generally combined with a diffusion chamber for use, and is divided into a suspension swing type and a rubber tube type according to different materials. The main body is of a steel structure, and can be automatically closed in the moment of suffering from explosion shock waves, so that the ventilation equipment in the engineering is protected from being damaged. In a common suspension swing type explosion-proof valve, a suspension plate is arranged on the outer side of an air vent, and the suspension plate covers the air vent after being subjected to impact waves to form a closed space. However, after the suspension plate is impacted on the valve at a higher speed after being subjected to the impact wave, the suspension plate can rebound under the reaction force of the valve or automatically open under the gravity, and dust caused by the impact wave can enter a room.
In the prior art, chinese patent with publication number CN205778315U discloses a hanging plate type explosion-proof wave valve, which comprises a door leaf with air holes, a plurality of fixed arms arranged on the door leaf and located above the air holes, a rotating arm with an upper end hinged to the fixed arms, and a hanging plate hinged to a lower end of the rotating arm and used for covering the air holes, wherein the door leaf is further provided with a guide plate with an upper end surface abutting against a lower end surface of the hanging plate and used for guiding the hanging plate to slide towards the air holes, the guide plate is inclined and arranged downwards towards the door leaf, and the upper end surface is provided with a positioning groove for embedding the lower end of the hanging plate, and the lower end of the hanging plate is embedded into. The suspension plate type explosion-proof wave valve solves the problem that dust enters a room due to the fact that a gap is formed by the reaction force of the valve of the suspension plate, but cannot reset and cannot keep ventilating due to the fact that the suspension plate is abutted by the positioning groove.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pendulum formula explosion-proof ripples valve has the hanger plate and prevents the dust after opening once more and get into indoor advantage.
The above object of the present invention can be achieved by the following technical solutions:
A suspended swing type explosion-proof wave valve comprises a protective door, wherein an air vent is arranged on the protective door, a fixed arm is fixedly arranged above the air vent, a rotating arm is rotatably arranged on the fixed arm, a suspension plate for sealing the air vent under the action of shock waves is fixedly arranged at the lower end of the rotating arm, the side of the suspension plate opposite to the protective door is provided with a first U-shaped groove along the edge of the suspension plate, connecting lines at two ends of the first U-shaped groove are positioned on the same straight line with the upper end of the air vent, the protective door is provided with a second U-shaped groove opposite to the first U-shaped groove, the opening of the first U-shaped groove is opposite to the opening of the second U-shaped groove, a flexible filter layer is folded in the first U-shaped groove, one end of the filter layer in the folding direction is connected with the first U-shaped groove, the one end that first U-shaped groove was kept away from to the filter layer is provided with the mounting panel, be provided with on the mounting panel and be used for being fixed in the mounting panel in the U-shaped inslot of second fixing device.
When the shock wave impacts the suspension plate, the suspension plate rotates to seal the air vent, and at the moment, the mounting plate is fixed in the second U-shaped groove by the fixing device; when shock wave dissipates, the hanging plate rotates towards the direction far away from the air vent, the filter layer is driven to extend, the folded state is changed into an extended state, and external dust is blocked outside the filter layer. Through the setting of filter layer, when can prevent that the hanger plate from opening once more, the dust of external environment gets into indoorly.
Further, fixing device is the first magnetic part that sets up along mounting panel length direction, be provided with the second magnetic part with first magnetic part absorption in the second U-shaped inslot.
When the suspension plate is impacted by shock waves, the suspension plate rotates to seal the air vent, and at the moment, the first magnetic part and the second magnetic part are mutually adsorbed to fix the mounting plate in the second U-shaped groove; when shock wave dissipates, the hanging plate rotates towards the direction far away from the air vent, the filter layer is driven to extend, the folded state is changed into an extended state, and external dust is blocked outside the filter layer.
Further, the filter layer dustcoat is equipped with the buckled plate, the lateral wall of filter layer and the inside wall of buckled plate are connected, the filtration pore has been seted up on the buckled plate, the one end and the first U-shaped groove of the folding direction of buckled plate are connected, the one end that first U-shaped groove was kept away from to the buckled plate is connected with the mounting panel.
When the shock wave impacts the suspension plate, the suspension plate rotates to seal the air vent, and at the moment, the mounting plate is fixed in the second U-shaped groove by the fixing device; when shock wave dissipation, the direction rotation of hanging plate towards keeping away from the vent drives the buckled plate and extends, becomes the extension state by fold condition, and external dust is blockked outside the buckled plate. Through the setting of buckled plate, can align the regular folding of filter layer in first U-shaped inslot and second U-shaped groove, avoid it in disorder outside first U-shaped inslot, the unable condition that gets into the second U-shaped inslot of first magnetism spare of being connected with the mounting panel appears.
Further, be provided with the spring along mounting panel length direction in the mounting panel, the one end that the mounting panel was kept away from to the spring is provided with the fixture block that is located outside the mounting panel, the fixture block sets up with the relative one end slope in second U-shaped groove, the inclined plane direction of fixture block is towards the second U-shaped inslot, be provided with the draw-in groove with the fixture block joint on the second U-shaped groove.
Implement above-mentioned technical scheme, when shock wave strikes the hanger plate, the hanger plate rotates towards the direction that is close to the blow vent, when first magnetic part and second magnetic part adsorb each other, in the draw-in groove was gone into to the fixture block card, go into the setting in the draw-in groove through the fixture block card, can make the mounting panel be fixed in the second U-shaped inslot more stable, prevent that first magnetic part and second magnetic part from adsorbing the shakiness and leading to the mounting panel to break away from the second U-shaped inslot, lead to the buckled plate shrink, the indoor condition of external dust entering appears. The clamping block can be conveniently clamped into the second U-shaped groove through the inclined arrangement of the clamping block.
Further, the opening edge in first U-shaped groove rotates and is provided with the butt plate, be provided with the torsional spring between butt plate and first U-shaped groove, the both ends of torsional spring respectively with butt plate and first U-shaped groove connection, when the torsional spring is natural state, butt plate butt buckled plate is folding to be set up in first U-shaped inslot.
When the corrugated plate is folded in the first U-shaped groove, the abutting plate abuts against the corrugated plate; when the corrugated plate is stretched, the abutting plate is perpendicular to the opening edge of the first U-shaped groove. Through the setting of butt joint board, can prevent that the buckled plate from following the interior roll-off of first U-shaped inslot.
Furthermore, a cushion pad is arranged on one surface of the suspension plate opposite to the protective door along the edge of the suspension plate.
implement above-mentioned technical scheme, when shock wave impact hanger plate seals the blow vent, through the setting of blotter, can cushion shock wave's impact strength, prevent that the shock wave impact force is too big and damage the guard gate.
Further, the one side that the hanging plate deviates from the guard gate is provided with the holding tank, the holding tank internal rotation is provided with the attacker.
Implement above-mentioned technical scheme, after the dust dissipation, open the guard gate and pass through the attacker again, can be with the manual orientation pulling of keeping away from the vent of hanging oneself from the board, through the setting of attacker, can be convenient for the staff pulls the hanging oneself from a net.
To sum up, the utility model discloses following beneficial effect has:
When the hanging plate is opened once more, the hanging plate drives the corrugated plate to move towards the direction of keeping away from the second U-shaped groove, and the corrugated plate can plug up the gap between the hanging plate and the vent hole to prevent external dust from entering the room.
Drawings
Fig. 1 is a schematic structural view of the whole of the present invention;
FIG. 2 is a schematic structural view of a suspension plate closed vent of the present invention;
Fig. 3 is a schematic structural view of a single suspension plate of the present invention;
FIG. 4 is an enlarged schematic view of section A of FIG. 3;
Fig. 5 is an exploded view of the suspension plate back fixture block and mounting plate of the present invention;
fig. 6 is an exploded view of the filter layer and corrugated plate of the present invention.
Reference numerals: 1. a protective door; 11. a vent; 111. a fixed arm; 1111. a rotating arm; 12. a second U-shaped slot; 121. a second magnetic member; 122. a card slot; 2. a suspension plate; 21. a first U-shaped slot; 211. a butt joint plate; 22. a cushion pad; 23. accommodating grooves; 231. buckling a handle; 3. a filter layer; 4. a corrugated plate; 41. a filtration pore; 42. mounting a plate; 421. a first magnetic member; 422. a spring; 4221. a clamping block; 5. a torsion spring.
Detailed Description
The technical solution of the embodiment of the present invention will be described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the dangling type explosion-proof wave valve includes a protective door 1, a plurality of vent holes 11 are arranged on the protective door 1 side by side, a fixed arm 111 is fixedly arranged above the vent holes 11, one end of the fixed arm 111 far away from the vent holes 11 is rotatably provided with a rotating arm 1111, and the lower end of the rotating arm 1111 far away from the fixed arm 111 is fixedly provided with a dangling plate 2 for sealing the vent holes 11 under the action of shock waves.
as shown in fig. 3 and 4, a first U-shaped groove 21 is formed along the edge of the suspension plate 2 on the side of the suspension plate 2 opposite to the protection door 1, and a connecting line of two ends of the first U-shaped groove 21 is located on the same straight line with the upper end of the vent 11. A second U-shaped groove 12 aligned with the first U-shaped groove 21 is provided on the protective door 1 at a position opposite to the suspension plate 2, and the first U-shaped groove 21 is provided opposite to an opening of the second U-shaped groove 12. The corrugated plate 4 is folded in the first U-shaped groove 21. The corrugated plate 4 is internally attached with a filter layer 3 (see figure 6), the side wall of the filter layer 3 is connected with the inner side wall of the corrugated plate 4, and the filter layer 3 is composed of non-woven fabrics. The corrugated plate 4 is provided with a plurality of filtering holes 41. One end of the corrugated plate 4 in the folding direction is connected with the side wall of the first U-shaped groove 21 opposite to the opening of the first U-shaped groove 21, and a mounting plate 42 is arranged at one end of the corrugated plate 4 far away from the first U-shaped groove 21 in the width direction of the corrugated plate. The mounting plate 42 is provided with a fixing device for fixing the mounting plate 42 to the second U-shaped groove 12, the fixing device is a first magnetic member 421 arranged along the length direction of the mounting plate 42, and a second magnetic member 121 adsorbed to the first magnetic member 421 is arranged on the side wall of the second U-shaped groove 12 opposite to the opening of the second U-shaped groove 12. The first magnetic member 421 and the second magnetic member 121 are both ferromagnetic substances, and therefore have the ability of attracting each other.
As shown in fig. 3 and 5, a spring 422 is connected to the mounting plate 42 along the length direction of the mounting plate 42, and one end of the spring 422, which is far away from the mounting plate 42, penetrates through the mounting plate 42 and is connected to a latch 4221. The end of the clamping block 4221 opposite to the second U-shaped groove 12 is inclined, the direction of the inclined surface of the clamping block 4221 faces the second U-shaped groove 12, and a clamping groove 122 clamped with the clamping block 4221 is formed in the inner side wall of the second U-shaped groove 12.
The both ends symmetry at the opening edge in first U-shaped groove 21 articulates there is butt joint board 211, is connected with torsional spring 5 on the butt joint board 211, and the one end that butt joint board 211 was kept away from to torsional spring 5 is connected with first U-shaped groove 21. When the torsion spring 5 is in a natural state, the corrugated plate 4 is folded and accommodated in the first U-shaped groove 21; when the torsion spring 5 is in an opened state, the corrugated plate 4 extends out from the first U-shaped groove 21.
The opposite side of the suspension board 2 and the protective door 1 is provided with a cushion pad 22 along the edge of the suspension board 2, the cushion pad 22 is U-shaped and the cushion pad 22 is arranged at the periphery of the first U-shaped groove 21. One side that suspension board 2 deviates from guard gate 1 is provided with the holding tank 23 that opening and suspension board 2 surface flush, and the holding tank 23 internal rotation is provided with attacker 231.
The working principle is as follows: when the suspension plate 2 is impacted by shock waves, the suspension plate 2 rotates towards the direction close to the vent 11 to seal the vent 11, at the moment, the first magnetic member 421 and the second magnetic member 121 are mutually adsorbed, the clamping block 4221 is clamped in the clamping groove 122, and the first magnetic member 421 drives the mounting plate 42 to be fixed in the second U-shaped groove 12; when shock wave dissipation, hang board 2 and rotate towards the direction of keeping away from air vent 11, drive buckled plate 4 and extend, become the extension state by fold condition, outside dust is blockked outside buckled plate 4. By the arrangement of the filter layer 3, it is possible to prevent dust of the external environment from entering the room when the suspension board 2 is opened again.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. the utility model provides a pendulum formula explosion-proof ripples valve, includes guard gate (1), has seted up blow vent (11) on guard gate (1), and blow vent (11) top is fixed to be provided with fixed arm (111), rotates on fixed arm (111) and is provided with swinging boom (1111), and fixed being provided with of swinging boom (1111) lower extreme is used for closing hanger plate (2), characterized by of blow vent (11) under the shock wave effect: a first U-shaped groove (21) is arranged on one surface of the suspension plate (2) opposite to the protective door (1) along the edge of the suspension plate (2), the connecting lines at the two ends of the first U-shaped groove (21) and the upper end of the vent hole (11) are positioned on the same straight line, a second U-shaped groove (12) opposite to the first U-shaped groove (21) is arranged on the protective door (1), the opening of the first U-shaped groove (21) is opposite to the opening of the second U-shaped groove (12), a flexible filter layer (3) is folded in the first U-shaped groove (21), one end of the filter layer (3) in the folding direction is connected with the first U-shaped groove (21), an installation plate (42) is arranged at one end of the filter layer (3) far away from the first U-shaped groove (21), and the mounting plate (42) is provided with a fixing device for fixing the mounting plate (42) in the second U-shaped groove (12).
2. The pendulous explosion-proof wave shutter as claimed in claim 1, wherein: the fixing device is a first magnetic part (421) arranged along the length direction of the mounting plate (42), and a second magnetic part (121) adsorbed with the first magnetic part (421) is arranged in the second U-shaped groove (12).
3. the pendulous explosion-proof wave shutter as claimed in claim 1, wherein: the utility model discloses a corrugated plate, including filter layer (3), filter layer (3) dustcoat, the lateral wall of filter layer (3) is connected with the inside wall of buckled plate (4), filtering hole (41) have been seted up on buckled plate (4), the one end and the first U-shaped groove (21) of buckled plate (4) folding direction are connected, the one end that first U-shaped groove (21) was kept away from in buckled plate (4) is connected with mounting panel (42).
4. The pendulous explosion-proof wave shutter as claimed in claim 1, wherein: be provided with spring (422) along mounting panel (42) length direction in mounting panel (42), the one end that mounting panel (42) were kept away from in spring (422) is provided with and is located mounting panel (42) outer fixture block (4221), fixture block (4221) sets up with the relative one end slope of second U-shaped groove (12), the inclined plane direction of fixture block (4221) is towards in second U-shaped groove (12), be provided with draw-in groove (122) with fixture block (4221) joint on second U-shaped groove (12).
5. The pendulous explosion-proof wave shutter as claimed in claim 2, wherein: the opening edge of first U-shaped groove (21) rotates and is provided with butt joint board (211), be provided with torsional spring (5) between butt joint board (211) and first U-shaped groove (21), the both ends of torsional spring (5) are connected with butt joint board (211) and first U-shaped groove (21) respectively, when torsional spring (5) are natural state, butt joint board (211) butt buckled plate (4) are folding to be set up in first U-shaped groove (21).
6. The pendulous explosion-proof wave shutter as claimed in claim 1, wherein: and a cushion pad (22) is arranged on one surface of the suspension plate (2) opposite to the protective door (1) along the edge of the suspension plate (2).
7. The pendulous explosion-proof wave shutter as claimed in claim 1, wherein: one side of the suspension plate (2) departing from the protective door (1) is provided with an accommodating groove (23), and a buckle (231) is rotationally arranged in the accommodating groove (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920231785.1U CN209799783U (en) | 2019-02-23 | 2019-02-23 | suspended pendulum type explosion wave-proof valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920231785.1U CN209799783U (en) | 2019-02-23 | 2019-02-23 | suspended pendulum type explosion wave-proof valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209799783U true CN209799783U (en) | 2019-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920231785.1U Active CN209799783U (en) | 2019-02-23 | 2019-02-23 | suspended pendulum type explosion wave-proof valve |
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| CN (1) | CN209799783U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947269A (en) * | 2020-08-06 | 2020-11-17 | 衡阳泰豪通信车辆有限公司 | Working method of shelter ventilation equipment |
| CN111947270A (en) * | 2020-08-06 | 2020-11-17 | 衡阳泰豪通信车辆有限公司 | Shelter air interchanger |
| 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 |
| CN117526134A (en) * | 2023-11-16 | 2024-02-06 | 航变电力科技有限公司 | Complete switch equipment for low-voltage capacitor |
-
2019
- 2019-02-23 CN CN201920231785.1U patent/CN209799783U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947269A (en) * | 2020-08-06 | 2020-11-17 | 衡阳泰豪通信车辆有限公司 | Working method of shelter ventilation equipment |
| CN111947270A (en) * | 2020-08-06 | 2020-11-17 | 衡阳泰豪通信车辆有限公司 | Shelter air interchanger |
| CN111947270B (en) * | 2020-08-06 | 2021-08-20 | 衡阳泰豪通信车辆有限公司 | Shelter air interchanger |
| CN111947269B (en) * | 2020-08-06 | 2021-08-20 | 衡阳泰豪通信车辆有限公司 | Working method of shelter ventilation equipment |
| 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 |
| CN117526134A (en) * | 2023-11-16 | 2024-02-06 | 航变电力科技有限公司 | Complete switch equipment for low-voltage capacitor |
| CN117526134B (en) * | 2023-11-16 | 2024-04-16 | 航变电力科技有限公司 | Complete switch equipment for low-voltage capacitor |
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