CN215172580U

CN215172580U - Special inflation valve for civil air defense ventilation

Info

Publication number: CN215172580U
Application number: CN202022281761.2U
Authority: CN
Inventors: 胡明; 余龙
Original assignee: Wuhan Tiedun Civil Defence Engineering Co ltd
Current assignee: Wuhan Tiedun Civil Defence Engineering Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-12-14
Anticipated expiration: 2030-10-14

Abstract

The utility model discloses a special inflation valve of people's air defense chemical defense ventilation belongs to engineering chemical defense ventilation technical field, and it includes the valve body, two draw-in grooves have been seted up to the upper surface of valve body inner wall, the joint has the fixture block in the draw-in groove, the lower surface of fixture block is connected with the last fixed surface of fixed plate. This special inflation valve of civil air defense chemical defense ventilation, through setting up the fixture block, the draw-in groove, spring and sliding sleeve, when aerifing the placenta and damaging, two dead levers of staff clockwise rotation, right flank because of the fixture block sets up to the arc, make the spring shrink, when the fixture block shifts out from the draw-in groove, the staff upwards stimulates the dead lever, make steel grating and valve body separation, the placenta is aerifyd in the staff upwards pulling, make aerify the placenta and can shift out from the valve body, and the operation is thus simple, make that the staff can be convenient change aerifing the placenta, the maintenance cost of this valve has been reduced, make that the staff can be convenient use this valve.

Description

Special inflation valve for civil air defense ventilation

Technical Field

The utility model belongs to the technical field of engineering chemical defense ventilation, specifically be a special inflation valve of people's air defense chemical defense ventilation.

Background

In order to overcome the not tight condition of mechanical valve ubiquitous valve plate and sealing washer leakproofness, there is harmful gas to leak and causes the unqualified phenomenon of engineering quality, the most inflation valve that uses of current people's air defense engineering, but steel grating among the current inflation valve is mostly with valve body fixed connection, when the placenta of aerifing damages, the staff need be to the valve body, steel grating and the whole change of placenta of aerifing, this inflation valve's maintenance cost has been increased, make the staff be not convenient for use this inflation valve.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the above-mentioned defect of prior art, the utility model provides a special inflation valve of people's air defense chemical defense ventilation, the steel grating that has solved among the current inflation valve is mostly with valve body fixed connection, when aerifing the placenta and damaging, the staff need be to valve body, steel grating and aerify the whole change of placenta, has increased this inflation valve's maintenance cost for the staff is not convenient for carry out the problem of using to this inflation valve.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a special inflation valve of people's air defense chemical defense ventilation, includes the valve body, two draw-in grooves have been seted up to the upper surface of valve body inner wall, the joint has the fixture block in the draw-in groove, the lower surface of fixture block is connected with the upper surface fixed connection of fixed plate, the lower fixed surface of fixed plate is connected with the slide bar, the surface sliding connection of slide bar has the sliding sleeve, the sliding sleeve joint is at the upper surface of slide cartridge.

The lower surface of a sliding barrel is fixedly connected with the lower surface of the inner wall of the steel grating, the bottom end of a sliding rod is arranged in the sliding barrel, the bottom end of the sliding rod is fixedly connected with the lower surface of the inner wall of the sliding barrel through a spring, three limiting blocks are lapped on the right side surface of the steel grating, the upper surfaces of the limiting blocks are fixedly connected with the upper surface of the inner wall of the valve body, and the opposite surfaces of the two steel gratings are lapped with the front surface and the back surface of the same inflatable placenta.

As a further aspect of the present invention: the quantity of draw-in groove and fixture block all sets up to six, the right flank and the back of fixture block all set up to the arc.

As a further aspect of the present invention: the equal fixedly connected with slider of left and right sides face of fixed plate, slider sliding connection is in the spout, the right flank at the steel grating inner wall is seted up to the spout.

As a further aspect of the present invention: the number of the limiting blocks is six, and the shape of the limiting blocks is arc-shaped.

As a further aspect of the present invention: the lower surface of the inflatable placenta is communicated with the top end of an inflating nozzle, and the inflating nozzle is arranged in the valve body.

As a further aspect of the present invention: the front surface of the steel grating is fixedly connected with two fixing rods, and the outer surfaces of the fixing rods are provided with anti-skidding sleeves.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. this special inflation valve of civil air defense chemical defense ventilation, through setting up the fixture block, the draw-in groove, spring and sliding sleeve, when aerifing the placenta and damaging, the staff clockwise rotates two dead levers, right flank because of the fixture block sets up to the arc, make the fixture block downstream under the effect of draw-in groove, make the spring shrink, when the fixture block shifts out from the draw-in groove, the staff upwards stimulates the dead lever, make steel grating and valve body separation, the placenta is aerifyd in the staff upwards pulling, make and aerify the placenta and can shift out from the valve body, and easy operation, make that the staff can be convenient change aerifing the placenta, the maintenance cost of this valve has been reduced, make that the staff can be convenient use this valve.

2. This special inflation valve of people's air defense antichemical ventilation, through setting up the charging connector, aerify placenta and steel grating, the opposite face because of two steel grating and the front and the back overlap joint of aerifing the placenta, when the staff aerifys to aerifing the child dish through the charging connector, set up to rubber because of the material of aerifing the placenta, make and aerify the placenta and take place to warp, can carry on spacingly to the motion of aerifing the placenta in valve body axial direction because of the steel grating, therefore aerify the placenta and only can move and then with the internal face uniform contact of valve body in the valve body radial direction, make this valve have better airtight effect and be difficult for taking place to leak.

3. This special inflation valve of people's air defense antichemical ventilation through setting up the slider, because of slider sliding connection in the spout for slider and spout mutually support and can carry on spacingly to the fixed plate, make the fixed plate can not take place to rotate when the motion, make the fixed plate can not drive the fixture block and rotate, make the back and the right flank of fixture block be the arc all the time, make that the staff can be convenient install and dismantle this steel grating.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view at a position a of the present invention;

FIG. 3 is a schematic view of the left-side cross-sectional structure of the valve body of the present invention;

fig. 4 is an enlarged schematic structural view of the utility model at the position B;

in the figure: the device comprises a valve body 1, a clamping groove 2, a clamping block 3, a fixing plate 4, a sliding rod 5, a sliding sleeve 6, a sliding barrel 7, a steel grating 8, a spring 9, a sliding block 10, a sliding groove 11, a limiting block 12, an inflatable placenta 13, an inflatable nozzle 14 and a fixing rod 15.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a special inflation valve of people's air defense chemical defense ventilation, including valve body 1, two draw-in grooves 2 have been seted up to the upper surface of 1 inner wall of valve body, the joint has fixture block 3 in the draw-in groove 2, the lower surface of fixture block 3 is connected with the last fixed surface of fixed plate 4, the lower fixed surface of fixed plate 4 is connected with slide bar 5, the surface sliding connection of slide bar 5 has slide sleeve 6, through setting up slide sleeve 6, sliding connection has slide bar 5 because of slide sleeve 6 sliding connection, make slide sleeve 6 can carry on spacingly to slide bar 5, make slide bar 5 can not take place to rock when the motion, make slide bar 5 accessible fixed plate 4 drive the steady motion of fixture block 3, the 6 joints of slide sleeve are at the upper surface of slide cartridge 7.

The lower surface of slide cartridge 7 and the lower fixed surface of 8 inner walls of steel grating are connected, the bottom of slide bar 5 sets up in slide cartridge 7, the bottom of slide bar 5 is passed through the lower fixed surface of

spring

9 and 7 inner walls of slide cartridge and is connected, the right flank overlap joint of steel grating 8 has three stopper 12, through setting up stopper 12, make stopper 12 can carry on spacingly to steel grating 8, when the back of steel grating 8 and the front contact of stopper 12, the inside fixture block 3 that sets up of steel grating 8 is on same disc with draw-in groove 2, the upper surface of stopper 12 and the upper fixed surface of 1 inner wall of valve body are connected, the opposite face and the same front and the back overlap joint of aerifing placenta 13 of two steel gratings 8.

Specifically, as shown in fig. 1 and 3, the quantity of draw-in groove 2 and fixture block 3 all sets up to six, and the right flank and the back of fixture block 3 all set up to the arc, through setting up fixture block 3, because of the 3 joints of fixture block are in draw-in groove 2 for fixture block 3 and draw-in groove 2 mutually support and can fix steel grating 8.

Specifically, as shown in fig. 2, the equal fixedly connected with slider 10 of the left and right sides face of fixed plate 4, slider 10 sliding connection is in spout 11, and spout 11 is seted up at the right flank of 8 inner walls of steel grating, through setting up slider 10, because of slider 10 sliding connection is in spout 11 for slider 10 and spout 11 mutually support and can carry out spacingly to slide bar 5, make slide bar 5 can not take place to rotate when the motion, make spring 9 difficult because of the distortion damage.

Specifically, as shown in fig. 3, the number of the limiting blocks 12 is set to six, the shape of the limiting blocks 12 is set to be arc-shaped, the lower surface of the inflatable placenta 13 is communicated with the top end of the inflating nozzle 14, the inflating nozzle 14 is arranged in the valve body 1, two fixing rods 15 are fixedly connected to the front surface of the steel grating 8, the outer surface of each fixing rod 15 is provided with an anti-skidding sleeve, and through the arrangement of the fixing rods 15, the anti-skidding sleeves are arranged on the outer surfaces of the fixing rods 15, so that friction between a palm and the fixing rods 15 is increased, and the steel grating 8 can be conveniently rotated by a worker through the fixing rods 15.

The utility model discloses a theory of operation does:

s1, when the inflatable placenta 13 is damaged, the worker rotates the two fixing rods 15 clockwise, so that the fixture block 3 moves downwards under the action of the clamping groove 2, the fixture block 3 drives the fixing plate 4 to move downwards, the fixing plate 4 drives the sliding block 10 to move downwards in the sliding groove 11, and the fixing plate 4 drives the sliding rod 5 to move downwards in the sliding sleeve 6, so that the spring 9 contracts;

and S2, finally, when the fixture block 3 is moved out of the fixture groove 2, the worker pulls the fixing rod 15 upwards to separate the steel grating 8 from the valve body 1, and pulls the inflatable placenta 13 upwards to move the inflatable placenta 13 out of the valve body 1.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a special inflation valve of people's air defense chemical defense ventilation, includes valve body (1), its characterized in that: the upper surface of the inner wall of the valve body (1) is provided with two clamping grooves (2), a clamping block (3) is clamped in each clamping groove (2), the lower surface of each clamping block (3) is fixedly connected with the upper surface of the fixing plate (4), the lower surface of each fixing plate (4) is fixedly connected with a sliding rod (5), the outer surface of each sliding rod (5) is slidably connected with a sliding sleeve (6), and each sliding sleeve (6) is clamped on the upper surface of a sliding barrel (7);

the lower surface of slide cartridge (7) and the lower fixed surface of steel grating (8) inner wall are connected, the bottom of slide bar (5) sets up in slide cartridge (7), the bottom of slide bar (5) is passed through spring (9) and is connected with the lower fixed surface of slide cartridge (7) inner wall, the right flank overlap joint of steel grating (8) has three stopper (12), the upper surface of stopper (12) and the upper fixed surface of valve body (1) inner wall are connected, the opposite face and the front and the back overlap joint of same inflatable placenta (13) of two steel grating (8).

2. The special inflation valve for civil air defense and chemical defense ventilation as claimed in claim 1, wherein: the quantity of draw-in groove (2) and fixture block (3) all sets up to six, the right flank and the back of fixture block (3) all set up to the arc.

3. The special inflation valve for civil air defense and chemical defense ventilation as claimed in claim 1, wherein: the left and right sides face of fixed plate (4) all fixedly connected with slider (10), slider (10) sliding connection is in spout (11), the right flank at steel grating (8) inner wall is seted up in spout (11).

4. The special inflation valve for civil air defense and chemical defense ventilation as claimed in claim 1, wherein: the number of the limiting blocks (12) is six, and the shape of each limiting block (12) is arc-shaped.

5. The special inflation valve for civil air defense and chemical defense ventilation as claimed in claim 1, wherein: the lower surface of the inflatable placenta (13) is communicated with the top end of an inflating nozzle (14), and the inflating nozzle (14) is arranged in the valve body (1).

6. The special inflation valve for civil air defense and chemical defense ventilation as claimed in claim 1, wherein: the front surface of the steel grating (8) is fixedly connected with two fixing rods (15), and the outer surfaces of the fixing rods (15) are provided with anti-skidding sleeves.