CN215802941U

CN215802941U - Civil air defense engineering gas defense passageway structure

Info

Publication number: CN215802941U
Application number: CN202121942766.3U
Authority: CN
Inventors: 林联结
Original assignee: Sichuan Chenyang Civil Air Defense Equipment Co ltd
Current assignee: Sichuan Chenyang Civil Air Defense Equipment Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-02-11
Anticipated expiration: 2031-08-18

Abstract

The utility model provides a civil air defense engineering gas defense channel structure, which relates to the technical field of civil air defense engineering gas defense channels and comprises a mounting frame, a pipeline, a filter screen and a replacing device, wherein the pipeline is arranged on one side of the mounting frame, the filter screen is arranged on the inner wall of the pipeline, the replacing device is arranged on one side of the pipeline, the replacing device comprises a fixture block, the fixture block is fixedly connected with the filter screen, a positioning rod is fixedly connected to one side of the pipeline close to the fixture block, a circular hole is formed in one side of the fixture block close to the positioning rod, the positioning rod is inserted and connected with the circular hole, and a pushing block is sleeved and connected to one side of the positioning rod close to the fixture block in a sliding mode. According to the utility model, the replacement device is arranged, so that the filter screen is effectively replaced and maintained, and the problems that the filter screen is difficult to replace and disassemble after being damaged in use, the filtering effect of equipment is reduced, the use of the equipment is influenced are avoided, the use difficulty of the equipment is reduced, and the usability of the equipment is improved.

Description

Civil air defense engineering gas defense passageway structure

Technical Field

The utility model relates to the technical field of civil air defense engineering gas defense channels, in particular to a civil air defense engineering gas defense channel structure.

Background

Civil air defense engineering also called civil air defense engineering 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.

Along with the development of society, most civil air defense engineering are provided with the gas defense passageway, and present most gas defense pipelines are provided with the filter screen and filter the air usually, and the filter screen is difficult to exempt from to produce wearing and tearing when using, fixes through the bolt simultaneously and is difficult to dismantle the change to the filter screen, influences equipment and uses, need improve this.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that in the prior art, a filter screen is fixed through a bolt, the filter screen is difficult to replace and maintain during use, and the use of equipment is influenced, and provides a civil air defense engineering gas defense channel structure.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a civil air defense engineering gas defense passageway structure, includes mounting bracket, pipeline, filter screen and changes the device, one side of mounting bracket is provided with the pipeline, the inner wall of pipeline is provided with the filter screen, it sets up the one side at the pipeline to change the device, it includes the fixture block to change the device, fixture block and filter screen fixed connection, the pipeline is close to one side fixedly connected with locating lever of fixture block, the circular port has been seted up to one side that the fixture block is close to the locating lever, the locating lever is inserted with the circular port and is established the connection, the locating lever is close to one side cover of fixture block and establishes and sliding connection has the ejector pad.

Preferably, the surface of the positioning rod is sleeved with a limiting spring, and two ends of the limiting spring are fixedly connected with the pipeline and the pushing block respectively.

Preferably, one side of the positioning rod, which is close to the clamping block, is sleeved with and rotatably connected with a clamping ring, the clamping ring is inserted into the circular hole and connected with the circular hole, and one side of the clamping block, which is close to the clamping ring, is provided with an annular groove.

Preferably, the inner wall of the annular groove is inserted and connected with a pull rod, one side of the clamping ring, which is close to the pull rod, is provided with a clamping groove, and the pull rod is inserted and connected with the clamping ring.

Preferably, one side of mounting bracket is provided with fixing device, fixing device includes the fixed block, fixed block and pipeline fixed connection, the mounting bracket is close to one side fixedly connected with gag lever post of fixed block, the jack has been seted up to one side that the fixed block is close to the gag lever post.

Preferably, the limiting rod is inserted with the jack and is established the connection, one side that the limiting rod is close to the fixed block is rotated and is connected with the dog, the constant head tank has been seted up to one side that the limiting rod is close to the dog, the inner wall sliding connection of constant head tank has the slide bar, one side fixedly connected with sliding sleeve that the slide bar is kept away from the limiting rod.

Preferably, the sliding sleeve is sleeved with the stop block and connected, the surface of the sliding rod is sleeved with a fixed spring, and two ends of the fixed spring are respectively fixedly connected with the sliding sleeve and the limiting rod.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, through the arrangement of the replacing device, when the filter screen replacing device is used, the filter screen is inserted into a pipeline, meanwhile, the fixture block is inserted into the positioning rod and abuts against the push block, the push block slides under the stress, after the snap ring penetrates through the circular hole, the snap ring is rotated and pressed to abut against the snap ring to complete fixation, the pull rod is pulled and the snap ring is rotated to be symmetrical with the circular hole, the limit spring loses the constraint to generate elastic force to push the push block, the push block is stressed and pushes the fixture block to pop out, the filter screen can be taken down, through the arrangement of the replacing device, the filter screen is effectively replaced and maintained, and the problem that when the filter screen is damaged in use, the filter screen is difficult to replace and disassemble is caused, the filtering effect of equipment is reduced, the use condition of the equipment is influenced, the use difficulty of the equipment is reduced, and the usability of the equipment is improved.

2. According to the utility model, through the arrangement of the fixing device, when the fixing device is used, after the fixing block is inserted into the limiting rod, the sliding sleeve is pulled, the sliding rod slides to drive the sliding sleeve to be separated from the stop block, then the stop block is rotated to abut against the fixing block, the sliding sleeve is loosened at the moment, the fixing spring loses constraint to generate elasticity to pull the sliding rod to slide and drive the sliding sleeve to abut against the stop block to fix the stop block, the sliding sleeve is pulled, the stop block is rotated to be separated from the fixing block, the sliding sleeve is loosened to cover the stop block, the fixing block is pulled to be separated from the limiting rod at the moment, fixing can be finished, through the arrangement of the fixing device, the pipeline is effectively and fixedly installed, the pipeline is prevented from being fixed through the bolt, the bolt is difficult to avoid abrasion and looseness during use, the problem that the equipment is difficult to support and is loosened, the pipeline falling condition is caused, the fault rate of the equipment is reduced, and the stability of the equipment is improved.

Drawings

FIG. 1 is a schematic perspective view of a civil air defense engineering gas defense passageway structure according to the present invention;

FIG. 2 is a schematic structural diagram of a replacement device in a civil air defense construction gas defense passageway structure according to the present invention;

FIG. 3 is a schematic view of the structure at the position A in FIG. 2 in the civil air defense construction anti-virus channel structure according to the present invention;

FIG. 4 is a schematic structural view of a fixing device in a civil air defense construction gas defense passageway structure according to the present invention;

fig. 5 is a schematic diagram of an explosion structure of a fixing device in a civil air defense construction gas defense passage structure according to the utility model.

Illustration of the drawings: 1. a mounting frame; 2. a pipeline; 3. a filter screen; 4. replacing the device; 41. a limiting spring; 42. a snap ring; 43. a push block; 44. positioning a rod; 45. a pull rod; 46. a clamping block; 5. a fixing device; 51. a limiting rod; 52. a stopper; 53. a sliding sleeve; 54. a slide bar; 55. fixing the spring; 56. and (5) fixing blocks.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 5, a civil air defense engineering gas defense passage structure comprises an installation frame 1, a pipeline 2, a filter screen 3 and a replacing device 4, wherein the pipeline 2 is arranged on one side of the installation frame 1, the filter screen 3 is arranged on the inner wall of the pipeline 2, and the replacing device 4 is arranged on one side of the pipeline 2.

The specific arrangement and function of the exchange device 4 and the fixing device 5 will be described in detail below.

As shown in fig. 1 and 2, the replacing device 4 includes a fixture block 46, the fixture block 46 is fixedly connected with the filter screen 3, one side of the pipe 2 close to the fixture block 46 is fixedly connected with a positioning rod 44, one side of the fixture block 46 close to the positioning rod 44 is provided with a circular hole, the positioning rod 44 is inserted into the circular hole and connected with the circular hole, one side of the positioning rod 44 close to the fixture block 46 is sleeved with a push block 43 and is slidably connected with the push block, the surface of the positioning rod 44 is sleeved with a limiting spring 41, two ends of the limiting spring 41 are respectively fixedly connected with the pipe 2 and the push block 43, and the fixture block 46 is separated from the positioning rod 44.

One side of the positioning rod 44 close to the clamping block 46 is sleeved and rotatably connected with a clamping ring 42, the clamping ring 42 is inserted into the circular hole and connected with the circular hole, and one side of the clamping block 46 close to the clamping ring 42 is provided with an annular groove for fixing the clamping block 46.

The inner wall of the annular groove is inserted and connected with a pull rod 45, one side of the clamping ring 42 close to the pull rod 45 is provided with a clamping groove, and the pull rod 45 is inserted and connected with the clamping ring 42 and used for fixing the clamping ring 42.

The whole replacing device 4 has the effects that when the replacing device 4 is arranged, the filter screen 3 is inserted into the pipeline 2, the clamping block 46 is inserted into the positioning rod 44 and abuts against the pushing block 43, the pushing block 43 slides under the stress, when the clamping ring 42 penetrates through the circular hole, the clamping ring 42 is rotated, the pull rod 45 is pressed to abut against the clamping ring 42 to complete fixation, the pull rod 45 is pulled, the clamping ring 42 is rotated to be symmetrical with the circular hole, the limiting spring 41 loses the constraint to generate the elastic force to push the pushing block 43, the pushing block 43 is stressed and pushes the clamping block 46 to pop out, the filter screen 3 can be taken down, the replacing device 4 is arranged to effectively replace and maintain the filter screen 3, and the problem that the filter screen 3 is difficult to replace and disassemble after being damaged during use, the filter effect of equipment is reduced, the use condition of the equipment is influenced, and the use difficulty of the equipment is reduced, the usability of the equipment is improved.

As shown in fig. 1 and 4, one side of the mounting bracket 1 is provided with a fixing device 5, the fixing device 5 comprises a fixing block 56, the fixing block 56 is fixedly connected with the pipeline 2, one side of the mounting bracket 1, which is close to the fixing block 56, is fixedly connected with a limiting rod 51, and one side of the fixing block 56, which is close to the limiting rod 51, is provided with a jack for fixing the fixing block 56.

Gag lever post 51 is inserted with the jack and is established and be connected, and gag lever post 51 rotates in one side that is close to fixed block 56 and is connected with dog 52, and the constant head tank has been seted up to one side that gag lever post 51 is close to dog 52, and the inner wall sliding connection of constant head tank has slide bar 54, and slide bar 54 keeps away from one side fixedly connected with sliding sleeve 53 of gag lever post 51 for fixed dog 52.

The sliding sleeve 53 is sleeved with the stopper 52, the surface of the sliding rod 54 is sleeved with a fixed spring 55, and two ends of the fixed spring 55 are respectively fixedly connected with the sliding sleeve 53 and the limiting rod 51 and used for fixing the stopper 52.

The whole fixing device 5 has the advantages that by arranging the fixing device 5, when in use, after the fixing block 56 is inserted into the limiting rod 51, the sliding sleeve 53 is pulled, the sliding rod 54 slides to drive the sliding sleeve 53 to be separated from the stop block 52, then the stop block 52 is rotated to be abutted against the fixing block 56, at the moment, the sliding sleeve 53 is loosened, the fixing spring 55 loses constraint to generate elastic force to pull the sliding rod 54 to slide and drive the sliding sleeve 53 to be abutted against the stop block 52 to fix the stop block 52, the sliding sleeve 53 is pulled, the stop block 52 is sleeved by the sliding sleeve 53 which is loosened, at the moment, the fixing block 56 is pulled to be separated from the limiting rod 51 to finish fixing, by arranging the fixing device 5, the pipeline 2 is effectively fixed, and the pipeline 2 is prevented from being fixed through bolts which are difficult to generate abrasion and looseness during use, so that equipment is difficult to support and loosen, and the pipeline 2 falls off, and further, the failure rate of the equipment is reduced, and the stability of the equipment is improved.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. The utility model provides a civil air defense engineering gas protection channel structure, includes mounting bracket (1), pipeline (2), filter screen (3) and change device (4), its characterized in that: one side of mounting bracket (1) is provided with pipeline (2), the inner wall of pipeline (2) is provided with filter screen (3), change device (4) and set up the one side in pipeline (2), it includes fixture block (46) to change device (4), fixture block (46) and filter screen (3) fixed connection, pipeline (2) are close to one side fixedly connected with locating lever (44) of fixture block (46), the circular port has been seted up to one side that fixture block (46) are close to locating lever (44), locating lever (44) are inserted with the circular port and are established and be connected, locating lever (44) are close to one side cover of fixture block (46) and are established and sliding connection has ejector pad (43).

2. The civil air defense engineering gas defense passageway structure of claim 1, wherein: the surface of the positioning rod (44) is sleeved with a limiting spring (41), and two ends of the limiting spring (41) are fixedly connected with the pipeline (2) and the pushing block (43) respectively.

3. The civil air defense engineering gas defense passageway structure of claim 1, wherein: one side, close to the clamping block (46), of the positioning rod (44) is sleeved and rotatably connected with a clamping ring (42), the clamping ring (42) is inserted into the circular hole and connected with the circular hole, and an annular groove is formed in one side, close to the clamping ring (42), of the clamping block (46).

4. The civil air defense engineering gas defense passageway structure of claim 3, wherein: the inner wall of the annular groove is inserted and connected with a pull rod (45), one side, close to the pull rod (45), of the clamping ring (42) is provided with a clamping groove, and the pull rod (45) is inserted and connected with the clamping ring (42).

5. The civil air defense engineering gas defense passageway structure of claim 1, wherein: one side of mounting bracket (1) is provided with fixing device (5), fixing device (5) are including fixed block (56), fixed block (56) and pipeline (2) fixed connection, one side fixedly connected with gag lever post (51) that mounting bracket (1) is close to fixed block (56), the jack has been seted up to one side that fixed block (56) is close to gag lever post (51).

6. The civil air defense engineering gas defense passageway structure of claim 5, wherein: gag lever post (51) are inserted with the jack and are established and be connected, one side that gag lever post (51) are close to fixed block (56) is rotated and is connected with dog (52), the constant head tank has been seted up to one side that gag lever post (51) are close to dog (52), the inner wall sliding connection of constant head tank has slide bar (54), one side fixedly connected with sliding sleeve (53) of gag lever post (51) are kept away from in slide bar (54).

7. The civil air defense engineering gas defense passageway structure of claim 6, wherein: the sliding sleeve (53) is sleeved with the stop block (52) and connected, the surface of the sliding rod (54) is sleeved with a fixed spring (55), and two ends of the fixed spring (55) are respectively fixedly connected with the sliding sleeve (53) and the limiting rod (51).