CN212986046U - Special explosion-proof automatic exhaust valve of antichemical - Google Patents
Special explosion-proof automatic exhaust valve of antichemical Download PDFInfo
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- CN212986046U CN212986046U CN202021297978.6U CN202021297978U CN212986046U CN 212986046 U CN212986046 U CN 212986046U CN 202021297978 U CN202021297978 U CN 202021297978U CN 212986046 U CN212986046 U CN 212986046U
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- 238000009434 installation Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 17
- 230000007123 defense Effects 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model discloses a special explosion-proof automatic exhaust valve of antichemical, including installation pipe, collar, fixed plate, first valve plate, second valve plate and the structure of covering of pressing, the exhaust chamber has been seted up to the installation inside, and the inboard side middle section integrated into one piece in exhaust chamber is provided with the closing plate, center department on the closing plate has seted up the air vent, and air vent department is fixed with the mounting bracket, and the center department of mounting bracket is provided with the structure of covering of pressing, the department of covering of air vent has the second valve plate, and the articulated department of rotor plate is provided with the torsional spring, the bottom department of rotor plate is fixed with the balancing weight, has seted up threaded hole on the balancing weight, and the other end setting of push rod is structural covering. This explosion-proof self-bleeding valve door of special use of antichemical can adjust balancing weight and then realize self-bleeding as required to can adjust balancing weight and then realize first valve plate and second valve plate closure when meetting danger, guarantee safety, be fit for using widely.
Description
Technical Field
The utility model belongs to the technical field of civil air defense engineering, concretely relates to explosion-proof automatic exhaust valve is special in antichemical.
Background
Civil air defense engineering also calls civil air defense workers, and refers to underground protective buildings which are independently built for guaranteeing personnel and material shelter, civil air defense command and medical rescue in wartime, and basements which are built by combining ground buildings and can be used for air defense in wartime. The civil air defense engineering is an important facility for preventing enemies from attacking suddenly, effectively masking personnel and materials and preserving the war potential.
The existing chemical-resistant exhaust valve is complex in structure and cannot be well isolated from the outside when in danger.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a special explosion-proof automatic exhaust valve of antichemical to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof automatic exhaust valve special for chemical defense comprises a mounting pipe, a mounting ring, a fixing plate, a first valve plate, a second valve plate and a press-covering structure, wherein an exhaust cavity is formed in the mounting pipe, a sealing plate is integrally formed at the middle section of the inner side edge of the exhaust cavity, an air vent is formed in the center of the sealing plate, a mounting frame is fixed at the air vent, the press-covering structure is arranged at the center of the mounting frame, the second valve plate covers the air vent, the mounting ring is fixedly sleeved on the outer edge of one end of the mounting pipe, a mounting hole is formed in the mounting ring in a transverse penetrating manner, a plurality of groups of mounting holes are formed in the mounting hole, the other end of the mounting pipe is conical, an exhaust hole is formed in one end of the mounting pipe, which is far away from the mounting ring, the first valve plate is hinged to the exhaust hole, the fixing plate is fixed at, articulated the inslot of hinge is articulated to be installed the rotor plate, and the articulated department of rotor plate is provided with the torsional spring, the bottom department of rotor plate is fixed with the balancing weight, sets up threaded hole on the balancing weight, articulated branch of installing in the top department of rotor plate, the articulated one end of keeping away from the rotor plate of branch is installed on the outside limit of first valve plate, the articulated push rod of installing on the inboard edge of first valve plate, and the other end setting of push rod is structural covering pressing.
Preferably, the outer edge of the mounting rack is fixed with a connecting plate in a cross shape, the connecting plate is fixed at the position of the vent hole, a rectangular through cavity is formed in the center of the mounting rack, and four groups of through holes are symmetrically drilled in the outer edge of the through cavity.
Preferably, the press structure includes slider, slide bar and cooperation board, the slider is rectangle massive structure, the one end of slider is provided with articulated seat, and articulates on articulated seat and install the push rod, the slider slides and pegs graft through the intracavity, the cover is established on the outside limit of slider and is fixed with the cooperation board, the symmetry is fixed with four groups of slide bars on a side of cooperation board, the through-hole department is worn to establish by the slide bar, the one end that articulated seat was kept away from to slider and slide bar is all fixed on the second valve plate, the cover is established between mounting bracket and the cooperation board and is installed the spring on the slide bar.
Preferably, the outer edge of one side of the second valve plate, which corresponds to the vent hole, is provided with a conical sealing cavity, one side of the sealing cavity, which is close to the second valve plate, is provided with a plurality of groups of limiting grooves in an annular array mode by taking the axis of the mounting pipe as the center, and the second valve plate is fixed with a plurality of groups of limiting blocks matched with the limiting grooves.
Preferably, a sealing gasket is fixedly bonded at the joint of the first valve plate and the mounting pipe, and a rubber gasket is fixedly bonded at the joint of the second valve plate and the sealing plate.
The utility model discloses a technological effect and advantage: the explosion-proof automatic exhaust valve special for chemical defense comprises a second valve plate and a first valve plate which are arranged in a mounting pipe, can ensure the air tightness in the installation pipe, and the rotating plate can swing outwards when the torsion of the torsional spring is larger than the gravity of the counterweight block through the matching among the rotating plate, the counterweight block, the supporting rod and the torsional spring arranged at the fixed plate, thereby the supporting rod pushes the first valve plate to open, and then the second valve plate is opened through the push rod, thereby realizing the air circulation between the inside and the outside, when there is danger, the weight of the balancing weight is adjusted to make the gravity of the balancing weight larger than the torsion of the torsion spring, so that the rotating plate is vertical and the supporting rod is horizontal, and the first valve plate and the second valve plate are covered on the mounting pipe, through the pressing structure, the sliding block, the sliding rod, the spring and the matching plate in the pressing structure are matched, so that transmission between the first valve plate and the second valve plate can be realized. This explosion-proof self-bleeding valve door of special use of antichemical can adjust balancing weight and then realize self-bleeding as required to can adjust balancing weight and then realize first valve plate and second valve plate closure when meetting danger, guarantee safety, be fit for using widely.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention;
FIG. 4 is a schematic structural view of the press-coating structure of the present invention;
fig. 5 is a cross-sectional view taken along line B-B of fig. 2 according to the present invention.
In the figure: the mounting structure comprises a mounting pipe 1, a mounting ring 2, a fixing plate 3, a rotating plate 4, a balancing weight 5, a supporting rod 6, a first valve plate 7, a second valve plate 8, a sealing cavity 81, a limiting groove 82, a pressing structure 9, a sliding block 10, a sliding rod 11, a spring 12, a matching plate 13, a push rod 14, a hinged seat 15, a connecting plate 16 and a mounting frame 17.
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.
The utility model provides a special explosion-proof automatic exhaust valve for chemical defense as shown in figures 1-5, which comprises an installation pipe 1, an installation ring 2, a fixed plate 3, a first valve plate 7, a second valve plate 8 and a press structure 9, wherein an exhaust cavity is arranged in the installation pipe 1, a sealing plate is integrally formed at the middle section of the inner side edge of the exhaust cavity, an air vent is arranged at the center of the sealing plate, an installation frame 17 is fixed at the air vent, the press structure 9 is arranged at the center of the installation frame 17, the second valve plate 8 covers the air vent, the installation ring 2 is fixed at the outer edge of one end of the installation pipe 1, an installation hole is transversely arranged on the installation ring 2 in a penetrating way, a plurality of groups of installation holes are arranged, the other end of the installation pipe 1 is conical, an exhaust hole is arranged at the end of the installation pipe 1 far away from the installation ring 2, the first valve plate 7 is, a fixed plate 3 is fixed at the bottom of one end of the mounting tube 1 far away from the mounting ring 2, a hinge groove is arranged at the middle section of the fixed plate 3, a rotating plate 4 is hinged in the hinge groove, and the hinge joint of the rotating plate 4 is provided with a torsion spring which can drive the rotating plate 4 to rotate in the working process, the torsional spring is matched with the balancing weight 5, the balancing weight 5 is fixed at the bottom of the rotating plate 4, a threaded hole is arranged on the balancing weight 5, a threaded column matched with the threaded hole is arranged at the other side of the balancing weight 5, a plurality of groups of balancing weights 5 can be fixedly installed by screw threads when needed, a support rod 6 is hinged at the top of the rotating plate 4, the one end that rotor plate 4 was kept away from to branch 6 is articulated to be installed on the outside edge of first valve plate 7, the articulated push rod 14 that installs on the inside edge of first valve plate 7, and the other end setting of push rod 14 is on pressing structure 9.
Specifically, the outer edge of the mounting rack 17 is fixed with a connecting plate 16 in a cross shape, the connecting plate 16 is fixed at the position of the vent hole, a rectangular through cavity is formed in the center of the mounting rack 17, and four groups of through holes are symmetrically drilled in the outer edge of the through cavity.
Specifically, press and cover structure 9 and include slider 10, slide bar 11 and cooperation board 13, press and cover structure 9 and push rod 14 and can realize the transmission between first valve plate 7 and the second valve plate 8, slider 10 is rectangle massive structure, the one end of slider 10 is provided with articulated seat 15, and articulates on articulated seat 15 and installs push rod 14, slider 10 slides and pegs graft at through the intracavity, the cover is established on the outside limit of slider 10 and is fixed with cooperation board 13, the symmetry is fixed with four groups of slide bars 11 on one side of cooperation board 13, slide bar 11 wears to establish at through-hole department, the one end that articulated seat 15 was kept away from to slider 10 and slide bar 11 is all fixed on second valve plate 8, the cover is established between mounting bracket 17 and the cooperation board 13 on the slide bar 11 and is installed spring 12.
Specifically, the outer fringe of one side of the corresponding air vent of second valve plate 8 is provided with conical seal chamber 81, and one side that seal chamber 81 is close to second valve plate 8 uses the axis of installation pipe 1 as central annular array to seted up a plurality of groups spacing groove, be fixed with a plurality of groups and spacing groove complex spacing block on the second valve plate 8.
Specifically, the joint of the first valve plate 7 and the installation pipe 1 is fixedly bonded with a sealing gasket, the joint of the second valve plate 8 and the sealing plate is fixedly bonded with a rubber gasket, and the rubber gasket and the sealing gasket can improve the sealing effect of the first valve plate 7 and the second valve plate 8 to avoid gas leakage in danger.
The working principle is as follows: this explosion-proof automatic exhaust valve of special use of antichemical, during the exhaust operation, adjust the weight of bottom balancing weight 5, the torsional spring drives rotor plate 4 outwards swing this moment, rotor plate 4 drives branch 6 inwards movement during outwards swing, and then make first valve plate 7 inwards move, and then expand, drive push rod 14 promotion when first valve plate 7 removes simultaneously, and then drive slider 10 and remove and promote second valve plate 8, slide bar 11 removes simultaneously and drives the shrink of spring 12, when first valve plate 7 and second valve plate 8 are all opened, discharge unnecessary gas, and then realize automatic exhaust, when meetting danger, aggravate the weight of balancing weight 5, and then make the torsional spring be not enough to drive rotor plate 4 outwards swing, and then make first valve plate 7 and second valve plate 8 all close, guarantee safety. This explosion-proof self-bleeding valve door of special use of antichemical can adjust balancing weight and then realize self-bleeding as required to can adjust balancing weight and then realize first valve plate and second valve plate closure when meetting danger, guarantee safety, be fit for using widely.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides a special explosion-proof automatic exhaust valve of antichemical, includes mounting tube (1), collar (2), fixed plate (3), first valve plate (7), second valve plate (8) and covers structure (9) with pressing, its characterized in that: an exhaust cavity is formed in the mounting pipe (1), a sealing plate is integrally formed at the middle section of the inner side edge of the exhaust cavity, an air vent is formed in the center of the sealing plate, a mounting frame (17) is fixed at the air vent, a pressing structure (9) is arranged at the center of the mounting frame (17), a second valve plate (8) covers the air vent, a mounting ring (2) is fixedly sleeved at the outer edge of one end of the mounting pipe (1), a mounting hole transversely penetrates through the mounting ring (2), a plurality of groups of mounting holes are formed in the mounting hole, the other end of the mounting pipe (1) is conical, an exhaust hole is formed in one end of the mounting pipe (1) far away from the mounting ring (2), a first valve plate (7) is hinged at the exhaust hole, a fixing plate (3) is fixed at the bottom of one end of the mounting pipe (1) far away from the mounting ring (2), and a hinged groove is formed at the, articulated rotating plate (4) of installing in the hinge inslot, and the articulated department of rotating plate (4) is provided with the torsional spring, the bottom department of rotating plate (4) is fixed with balancing weight (5), sets up threaded hole on balancing weight (5), the articulated branch (6) of installing in top department of rotating plate (4), the articulated outside limit of installing at first valve plate (7) of the one end that keeps away from rotating plate (4) of branch (6), articulated push rod (14) of installing on the inboard edge of first valve plate (7), and the other end setting of push rod (14) is covering structure (9) on pressing.
2. The explosion-proof automatic exhaust valve special for chemical defense according to claim 1, characterized in that: the outer fringe department of mounting bracket (17) is the cross and is fixed with connecting plate (16), and connecting plate (16) are fixed in venthole department, the chamber that passes through of rectangle is seted up in the center department of mounting bracket (17), bores through the outer fringe symmetry in chamber and is equipped with four groups of through-holes.
3. The explosion-proof automatic exhaust valve special for chemical defense according to claim 1, characterized in that: pressing structure (9) includes slider (10), slide bar (11) and cooperation board (13), slider (10) are rectangle block structure, the one end of slider (10) is provided with articulated seat (15), and articulated on articulated seat (15) install push rod (14), slider (10) slip is pegged graft and is passing through the intracavity, the cover is established on the outside limit of slider (10) and is fixed with cooperation board (13), the symmetry is fixed with four groups slide bar (11) on one side of cooperation board (13), through-hole department is worn to establish in slide bar (11), the one end that articulated seat (15) were kept away from in slider (10) and slide bar (11) is all fixed on second valve plate (8), the cover is established between mounting bracket (17) and cooperation board (13) and is installed spring (12) on slide bar (11).
4. The explosion-proof automatic exhaust valve special for chemical defense according to claim 1, characterized in that: the one side outer fringe that corresponds the air vent of second valve plate (8) is provided with conical seal chamber (81), and one side that seal chamber (81) are close to second valve plate (8) uses the axis of installation pipe (1) as central annular array to seted up a plurality of groups spacing groove, be fixed with a plurality of groups and spacing groove complex stopper on second valve plate (8).
5. The explosion-proof automatic exhaust valve special for chemical defense according to claim 1, characterized in that: a sealing gasket is fixedly bonded at the joint of the first valve plate (7) and the mounting pipe (1), and a rubber gasket is fixedly bonded at the joint of the second valve plate (8) and the sealing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021297978.6U CN212986046U (en) | 2020-07-06 | 2020-07-06 | Special explosion-proof automatic exhaust valve of antichemical |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021297978.6U CN212986046U (en) | 2020-07-06 | 2020-07-06 | Special explosion-proof automatic exhaust valve of antichemical |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212986046U true CN212986046U (en) | 2021-04-16 |
Family
ID=75426209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021297978.6U Expired - Fee Related CN212986046U (en) | 2020-07-06 | 2020-07-06 | Special explosion-proof automatic exhaust valve of antichemical |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212986046U (en) |
-
2020
- 2020-07-06 CN CN202021297978.6U patent/CN212986046U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210416 |
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| CF01 | Termination of patent right due to non-payment of annual fee |