CN211873688U

CN211873688U - A ventilation unit for air defense basement

Info

Publication number: CN211873688U
Application number: CN202020276016.6U
Authority: CN
Inventors: 刘泉宏; 卫占晓; 金顺荣
Original assignee: Huzhou Qinli Protective Equipment Co ltd
Current assignee: Huzhou Qinli Protective Equipment Co ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-11-06
Anticipated expiration: 2030-03-06

Abstract

The utility model relates to a ventilation unit for air defense basement, it still includes a plurality of sectorial blocks including installing the body at basement ventilation well head, all is fixed with on all sectorial blocks to rotate and connects in the horizontal axis of body inner wall, is equipped with locking Assembly in the body. When the pipe is used normally, the locking assembly does not lock and fix the fan-shaped blocks, so that all the fan-shaped blocks can droop due to the self gravity, the opening of the pipe body is exposed, and the pipe body can be ventilated normally; when needs carry out the conversion of just waring ahead, upwards overturn all segments for the upper surface of all segments all is in the coplanar, again through locking Assembly all locks all segments fixedly, the opening of body will be sealed this moment, has realized the complete sealing of body in order to cover personnel and goods and materials. The utility model discloses can seal completely in order to cover personnel and goods and materials when the war, and can carry out normal ventilation when the usual use.

Description

A ventilation unit for air defense basement

Technical Field

The utility model belongs to the technical field of basement ventilation unit's technique and specifically relates to a ventilation unit for air defense basement is related to.

Background

The civil air defense basement is mainly used for civil air defense temporary shelters, wartime air defense command centers, communication centers, shelters and the like. The main point of the civil air defense basement is that the civil air defense basement and the common basement are all buried in the underground engineering, the civil air defense basement is provided with corresponding ventilation, illumination, fire protection and water supply and drainage facilities, the civil air defense basement is designed according to the standard of wartime besides considering the use at ordinary times, and sometimes, the civil air defense basement needs to be subjected to conversion design before war in order to meet the requirements of the use function at ordinary times, such as sealing walls, holes, adding columns in war and the like.

Through retrieval, Chinese patent publication No. CN203795803U discloses a novel device for protecting a ventilating well head of a basement, wherein a plurality of L-shaped surrounding plates are enclosed at the ventilating well head, each L-shaped surrounding plate is provided with a square base, a plurality of longitudinal lamp holes are arranged on the square base, and each longitudinal lamp hole is filled with a spotlight; the square cover cylinder is sleeved with the top ends of a plurality of L-shaped enclosing plates which are enclosed together; the hemispherical baffle net is flatly attached to the inner side wall of the hemispherical latticed housing; the center part of the top of the hemispherical latticed housing is provided with a convex positioning block, and the edge of the bottom of the hemispherical latticed housing is tightly attached to the buckling groove on the top surface of the square housing cylinder; the center of the bottom surface of the transverse top plate is provided with an inwards concave caulking groove, and the transverse top plate is connected above the hemispherical latticed housing.

The above prior art solutions have the following drawbacks: although the above devices have ventilation, dust-proof, rain-proof effects, they are difficult to convert before war, i.e., they cannot be completely sealed against enemy air attack to shield personnel and supplies, and thus, improvements are required.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a ventilation unit for air defense basement, can seal completely in order to cover personnel and goods and materials when the war, and can carry out normal ventilation when ordinarily using.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a ventilation unit for air defense basement, is including installing the body at basement ventilation well head, still includes a plurality of fan-shaped blocks that are circumference setting and seal in body open-ended jointly around the body axis, all is fixed with on all fan-shaped blocks to rotate and connects in the horizontal axis of body inner wall, is equipped with in the body to be used for sealing in the fixed locking Assembly of body open-ended fan-shaped block locking.

By adopting the technical scheme, when the ventilating pipe is used in ordinary times, all the fan-shaped blocks droop due to the gravity of the fan-shaped blocks because the fan-shaped blocks are not locked and fixed by the locking assembly, so that the opening of the pipe body is exposed, and the pipe body can be ventilated normally; when needs carry out the conversion of just waring ahead, upwards overturn all segments for the upper surface of all segments all is in the coplanar, again through locking Assembly all locks all segments fixedly, the opening of body will be sealed this moment, has realized the complete sealing of body in order to cover personnel and goods and materials.

The present invention may be further configured in a preferred embodiment as: each all be equipped with spacing post on the segment, horizontal through-hole has all been seted up on each spacing post, and locking Assembly includes a plurality of gag lever posts and support piece, and the quantity of gag lever post is the same with the quantity of spacing post, and each gag lever post all slides and pegs graft in the horizontal through-hole that corresponds and slide along the horizontal direction and connect in same support piece.

By adopting the technical scheme, when the upper surfaces of all the fan-shaped blocks are positioned on the same plane, all the limiting rods are inserted into the corresponding horizontal through holes in a sliding manner; because all gag levers all slide along the horizontal direction and connect in support piece, all the fan-shaped piece all will be difficult for the upset to make the opening of body by the complete closure.

The present invention may be further configured in a preferred embodiment as: the support piece is a support ring, limiting through holes which are the same in quantity with the limiting rods and extend in the horizontal direction are formed in the outer wall of the support ring, and each limiting rod is embedded in the corresponding limiting through hole in a sliding mode.

By adopting the technical scheme, the limiting through holes are arranged, so that the limiting rod can only slide along the horizontal direction; the setting of support ring for the workman can follow the intracavity that the support ring encloses and push into the gag lever post in the horizontal through-hole or extract the gag lever post from the horizontal through-hole, convenient operation.

The present invention may be further configured in a preferred embodiment as: when the locking assembly locks and fastens all the segments together, the end part of the support ring is abutted against the surfaces of all the segments.

By adopting the technical scheme, the support ring enables the fan-shaped block not to shake easily, so that the stability of the fan-shaped block when the opening of the pipe body is sealed is improved.

The present invention may be further configured in a preferred embodiment as: the inner wall of the pipe body is provided with inserting holes the same as the limiting rods in number, and each limiting rod is inserted into the corresponding inserting hole.

By adopting the technical scheme, the sector block sealed in the pipe body is not easy to shake relative to the pipe body, so that the stability of the sector block is improved.

The present invention may be further configured in a preferred embodiment as: each horizontal through hole is provided with a clamping groove on the hole wall, and each limiting rod is fixed with an elastic part clamped in the clamping groove.

Through adopting above-mentioned technical scheme, when the gag lever post is pegged graft in horizontal through-hole, the elastic component will be the joint at the joint inslot to make the gag lever post be difficult for breaking away from in the horizontal through-hole, improved the fixed effect of locking to the segment.

The present invention may be further configured in a preferred embodiment as: each spacing post all slides along the thickness direction of segment and connects in the segment that corresponds, and horizontal through-hole all is equipped with two sets ofly along the extending direction of spacing post on each spacing post in proper order.

By adopting the technical scheme, when no personnel exist in the underground chamber, the support ring is firstly arranged above the fan-shaped block, then the fan-shaped block is rotated and sealed on the opening of the pipe body and slides the limiting column upwards, and then the limiting rod is inserted into the horizontal through hole at the upper side of the limiting column in a sliding manner, so that the fan-shaped block is locked and fixed; the workman can cancel locking Assembly from the body top and fix the locking of segment this moment, is convenient for the open-ended of body expose.

When personnel exist in the underground chamber, the support ring is firstly arranged below the fan-shaped block, then the fan-shaped ring is rotated and sealed in the opening of the pipe body, the limiting column slides downwards, and then the limiting rod is inserted into the horizontal through hole at the lower side of the limiting column in a sliding manner; at the moment, the upper end of the support ring is abutted against the lower surface of the sector block, so that the sector ring cannot rotate; the workman will be can follow the locking of quadrant below cancellation locking Assembly to the quadrant fixed, and the personnel of body top then can not make the opening of body expose to the security that has improved the basement.

The present invention may be further configured in a preferred embodiment as: each spacing post all is fixed with the slider, all sets up on each sector ring and supplies the spacing post slip to inlay to establish inlay establishes the through-hole, all sets up on each pore wall of inlaying the through-hole and supplies the slider to inlay the spout that establishes along vertical direction slip.

By adopting the technical scheme, the limiting column is embedded in the embedding through hole in a sliding manner, and the sliding block is embedded in the sliding groove in a sliding manner, so that the limiting column can only slide along the thickness direction of the fan-shaped block, and the limiting of the movement direction of the limiting column is realized.

To sum up, the utility model discloses a following beneficial technological effect:

1. the arrangement of the sector blocks, the horizontal shaft and the locking assembly ensures that the opening of the pipe body is closed, so that the pipe body is completely sealed to shield personnel and materials, and when the locking assembly is cancelled to lock and fix the sector blocks, the opening of the pipe body is exposed, and the pipe body can be normally ventilated;

2. due to the arrangement of the inserting holes, the sector blocks sealed in the pipe body are not easy to shake relative to the pipe body, so that the stability of the sector blocks is improved;

3. the setting of spacing post and support ring for the workman can be fixed from the locking of body top cancellation locking Assembly to the quadrant, and the open-ended of the body of being convenient for exposes, and makes the workman also can cancel locking Assembly to the locking of quadrant below and fix, and the personnel of body top then can't make the opening of body expose, thereby has improved the security of basement.

Drawings

Fig. 1 is a schematic view of the overall structure in the embodiment of the present invention;

fig. 2 is a schematic sectional structure view of the whole in the embodiment of the present invention;

fig. 3 is a partially enlarged schematic view at a in fig. 2.

Reference numerals: 1. a pipe body; 11. inserting holes; 2. a sector block; 21. a horizontal axis; 22. a limiting column; 221. a horizontal through hole; 222. a card slot; 223. a slider; 23. embedding a through hole; 24. a chute; 3. a locking assembly; 31. a limiting rod; 311. an annular groove; 312. an elastic member; 32. a support ring; 321. and limiting through holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, a ventilation device for an air-defense basement comprises a pipe body 1 installed at a ventilation wellhead of the basement and a plurality of sector blocks 2 circumferentially arranged around the axis of the pipe body 1, wherein the number of the sector blocks 2 is four in the embodiment, and horizontal shafts 21 rotatably connected to the inner wall of the pipe body 1 are fixed on all the sector blocks 2; when the upper surfaces of all the segments 2 are at the same level, the opening of the tubular body 1 will be completely closed to shield personnel and supplies.

As shown in fig. 1 and 2, each segment 2 is provided with a limiting column 22, and each limiting column 22 is provided with a horizontal through hole 221; a locking assembly 3 is arranged in the pipe body 1, the locking assembly 3 comprises a plurality of limiting rods 31 and supporting pieces, the number of the limiting rods 31 is the same as that of the limiting columns 22, and each limiting rod 31 is inserted in the corresponding horizontal through hole 221 in a sliding manner; the support piece is the support ring 32, offers the same and along the spacing through-hole 321 of horizontal direction extension with gag lever post 31 quantity on the outer wall of support ring 32, and each gag lever post 31 all slides and inlays and establish in the spacing through-hole 321 that corresponds. The limiting rod 31 is inserted into the limiting through hole 321 and the horizontal through hole 221 at the same time, so that all the fan-shaped blocks 2 can be locked and fixed, and the stability of the fan-shaped blocks 2 when the fan-shaped blocks 2 are sealed in the opening of the pipe body 1 is ensured.

As shown in fig. 1, the inner wall of the pipe body 1 is provided with the same number of inserting holes 11 as the number of the limiting rods 31, and each group of limiting rods 31 inserted into the horizontal through holes 221 are inserted into the corresponding inserting holes 11, so that the stability of the segment 2 is improved.

As shown in fig. 2 and 3, the hole wall of each horizontal through hole 221 is provided with an annular clamping groove 222, the side wall of each limiting rod 31 is provided with an annular groove 311, an annular elastic member 312 is fixedly embedded in each annular groove 311, the elastic member 312 is made of rubber, the cross section of the elastic member is fan-shaped, and the outer wall of the elastic member faces the groove wall of the annular groove 311. When the limiting rod 31 is inserted into the insertion hole 11, the elastic member 312 gradually deforms and sinks into the annular groove 311; when the annular groove 311 corresponds to the engaging groove 222, the elastic member 312 returns to the natural state and is engaged with the engaging groove, so that the stopper rod 31 is not easily separated from the horizontal through hole 221.

As shown in fig. 2 and 3, each sector ring is provided with an embedding through hole 23 for the sliding embedding of the limiting column 22, each limiting column 22 is fixed with a sliding block 223, and the hole wall of each embedding through hole 23 is provided with a sliding groove 24 for the sliding embedding of the sliding block 223 along the vertical direction, so that the limiting column 22 can freely slide along the thickness direction of the sector ring.

As shown in fig. 2 and 3, two sets of horizontal through holes 221 are sequentially formed in each limiting column 22 along the extending direction of the limiting column 22, and a plurality of sets of inserting holes 11 are also formed in the inner wall of the pipe body 1 and correspond to the horizontal through holes 221 one by one. When no person is in the underground room, the support ring 32 is firstly placed above the fan-shaped block 2, then the limiting rod 31 is inserted into the upper horizontal through hole 221 of the limiting column 22 and the inserting hole 11 on the upper side of the pipe body 1 in a sliding manner, meanwhile, the lower surface of the support ring 32 is abutted against the upper surface of the fan-shaped block 2, and the fan-shaped block 2 is locked and fixed; at this moment, a worker can cancel the locking and fixing of the locking component 3 on the segment 2 from the upper part of the pipe body 1, so that the opening of the pipe body 1 is conveniently exposed.

When personnel exist in the underground room, the support ring 32 is firstly arranged below the fan-shaped block 2, and then the limiting rod 31 is inserted into the horizontal through hole 221 at the lower side of the limiting column 22 and the inserting hole 11 at the lower side of the pipe body 1 in a sliding manner; at this time, the upper end of the support ring 32 abuts against the lower surface of the segment 2, so that the segment cannot rotate; the workman will be can follow 2 below of quadrant cancel locking Assembly 3 fixed to the locking of quadrant 2, and the personnel of body 1 top then can not make the opening of body 1 expose to the security that has improved the basement.

The implementation principle of the embodiment is as follows: when no person exists in the underground chamber, the support ring 32 is firstly arranged above the fan-shaped block 2, then the fan-shaped block 2 is rotated and sealed on the opening of the pipe body 1, and the limiting column 22 is slid upwards; then, the lower end of the support ring 32 is abutted against the upper surface of the sector 2, and the limiting rod 31 is inserted into the upper horizontal through hole 221 of the limiting column 22 and the inserting hole 11 on the upper side of the pipe body 1 in a sliding manner, so that the sector 2 is locked and fixed, and the opening of the pipe body 1 is completely sealed to shield personnel and materials; the workman can cancel locking subassembly 3 from body 1 top this moment and fix the locking of segment 2, is convenient for the exposure of body 1 open-ended in order to carry out normal ventilation.

When people exist in the underground chamber, the support ring 32 is firstly arranged below the sector block 2, then the sector ring is rotated and sealed at the opening of the pipe body 1, and the limit column 22 slides downwards; then, the upper end of the support ring 32 is abutted against the lower surface of the sector 2, and the limiting rod 31 is inserted into the lower horizontal through hole 221 of the limiting column 22 in a sliding manner, so that the sector ring cannot rotate; the workman will be can follow 2 below of quadrant cancel locking Assembly 3 fixed to the locking of quadrant 2, and the personnel of body 1 top then can not make the opening of body 1 expose to the security that has improved the basement.

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

1. The utility model provides a ventilation unit for air defense basement, is including installing body (1) at basement ventilation well head, its characterized in that: the pipe is characterized by further comprising a plurality of fan-shaped blocks (2) which are arranged in the circumferential direction around the axis of the pipe body (1) and are sealed in the opening of the pipe body (1) together, wherein all the fan-shaped blocks (2) are fixed with horizontal shafts (21) which are connected to the inner wall of the pipe body (1) in a rotating mode, and a locking assembly (3) which is used for locking and fixing the fan-shaped blocks (2) sealed in the opening of the pipe body (1) is arranged in the pipe body (1).

2. The ventilation device for the air defense basement according to claim 1, wherein: each all be equipped with spacing post (22) on segment (2), all seted up horizontal through-hole (221) on each spacing post (22), locking Assembly (3) include a plurality of gag lever posts (31) and support piece, and the quantity of gag lever post (31) is the same with the quantity of spacing post (22), and each gag lever post (31) all slides and pegs graft in corresponding horizontal through-hole (221) and slide along the horizontal direction and connect in same support piece.

3. The ventilation device for the air defense basement according to claim 2, characterized in that: the support piece is support ring (32), offers on the outer wall of support ring (32) with gag lever post (31) quantity the same and along spacing through-hole (321) of horizontal direction extension, and each gag lever post (31) is all slided to inlay and is established in corresponding spacing through-hole (321).

4. A ventilation device for an air defense basement according to claim 3, wherein: when the locking assembly (3) locks and fastens all the segments (2) together, the end of the support ring (32) abuts against the surface of all the segments (2).

5. The ventilation device for the air defense basement according to claim 2, characterized in that: the inner wall of the pipe body (1) is provided with inserting holes (11) with the same number as the limiting rods (31), and each limiting rod (31) is inserted into the corresponding inserting hole (11).

6. The ventilation device for the air defense basement according to claim 2, characterized in that: the wall of each horizontal through hole (221) is provided with a clamping groove (222), and each limiting rod (31) is fixed with an elastic part (312) clamped in the clamping groove (222).

7. The ventilation device for the air defense basement according to claim 4, wherein: each spacing post (22) all slides along the thickness direction of segment (2) and connects in corresponding segment (2), and horizontal through-hole (221) all is equipped with two sets ofly in proper order along the extending direction of spacing post (22) on each spacing post (22).

8. The ventilation device for the air defense basement according to claim 7, wherein: each all be fixed with slider (223) on spacing post (22), all set up on each sector ring and supply spacing post (22) slip to inlay to establish inlay establishes through-hole (23), each inlays and establishes on the pore wall of through-hole (23) and all set up and supply slider (223) to inlay spout (24) of establishing along vertical direction slip.