CN217234858U

CN217234858U - Air duct protection equipment for civil air defense entrance

Info

Publication number: CN217234858U
Application number: CN202220860724.3U
Authority: CN
Inventors: 眭柏闻; 张甜甜
Original assignee: Ningxia Wanheng Civil Defense Special Protective Equipment Co ltd
Current assignee: Ningxia Wanheng Civil Defense Special Protective Equipment Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-08-19
Anticipated expiration: 2032-04-14

Abstract

The utility model belongs to the technical field of civil air defense, in particular to an air duct protective device for a civil air defense entrance, which aims at the problems that an air conduit is easy to adsorb dust when in use and the protective effect of a shell is poor, the following proposal is provided, which comprises an air inlet cylinder, wherein a support frame is fixed on the inner side wall of the air inlet cylinder, a rotating shaft is rotationally connected with the side wall of one side of the support frame, a turbine fan blade is tightly sleeved on the outer side wall of the rotating shaft, and an isolation net is fixed on the inner side wall of the air inlet cylinder; the utility model discloses in clear up the separation net through the clearance subassembly, can avoid the separation net when using for a long time surface adsorption and pile up more dust and cause the jam, improved the ventilation effect in this wind channel, when the outside object striking of an air inlet section of thick bamboo, the object collides with the protecting frame to cushion the protection through the buffering sponge, avoid an air inlet section of thick bamboo impaired, have better protecting effect, can change alone when the protecting frame damages, it is lower to maintain convenient cost.

Description

Air duct protection equipment for civil air defense entrance

Technical Field

The utility model relates to a people's air defense technical field especially relates to a people's air defense is wind channel protective apparatus for entry.

Background

Civil air defense engineering is generally peacetime and war time combination engineering, has a large amount of personnel and equipment to come in and go out at ordinary times, and the civil air defense door of access & exit need be closed in the wartime, prevents inside shock wave and the toxic gas entering civil air defense engineering, is equipped with the air pipe in civil air defense entrance generally and is used for taking a breath ventilation inside the civil air defense engineering.

Air pipe that people's air defense entry was used inhales inside ventilation through the inside fan that sets up of air pipe when using with the outside air, and the easy more dust that adsorbs of air inlet department when using for a long time, then causes the ventilation net to block up, influences its ventilation effect, and the air pipe shell is comparatively fragile, receives striking and collision to take place the damage easily, if directly dismantle to air pipe and maintain and change then the cost is higher and the dismouting construction is comparatively troublesome.

Therefore, an air duct protection device for a civil air defense inlet is needed to solve the problems that the ventilating duct is easy to adsorb dust when in use and the shell protection effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of air channel protective equipment for people's air defense entry has solved air pipe and has easily adsorbed dust and the relatively poor problem of shell protecting effect when using.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a people's air flue protective equipment for air defense entrance, includes an air inlet section of thick bamboo, the inside wall of an air inlet section of thick bamboo is fixed with the support frame, one side lateral wall of support frame rotates and is connected with the pivot, turbine fan blade has been cup jointed in the lateral wall fastening of pivot, the inside wall of an air inlet section of thick bamboo is fixed with the separation net, the inside of an air inlet section of thick bamboo is provided with the clearance subassembly, the protective frame has been cup jointed to the lateral wall of an air inlet section of thick bamboo, the inside wall of protective frame with be provided with the buffering sponge between the lateral wall of an air inlet section of thick bamboo, protective frame with be provided with a plurality of evenly distributed's fixing bolt between the air inlet section of thick bamboo.

Preferably, the clearance subassembly include with the half gear that the fastening of pivot lateral wall cup jointed, the lateral wall of half gear has cup jointed the profile of tooth ring, the both ends of profile of tooth ring are fixed with the carriage release lever respectively, the both ends of carriage release lever respectively with the both sides inner wall sliding connection of an air inlet section of thick bamboo, one side lateral wall of carriage release lever is fixed with the movable plate that two symmetries set up, movable plate one side is provided with the brush board.

Preferably, a through groove is formed in the side wall of one side of the toothed ring, two rack plates which are symmetrically arranged are fixed to the side walls of the two sides of the through groove respectively, the half gear is located inside the through groove, and the half gear is meshed with one of the rack plates.

Preferably, the inner walls of the two sides of the air inlet cylinder are respectively provided with a sliding groove, and the two ends of the moving rods are respectively in sliding connection with the two sliding grooves.

Preferably, a plurality of telescopic springs are fixed to the side wall of one side of the moving plate and distributed at equal intervals, one ends of the plurality of telescopic springs are fixed to the side wall of one side of the brush plate, and the brush plate is attached to the side wall of one side of the isolation net.

Preferably, the vertical section of the support frame is X-shaped, a bearing seat is installed on one side of the support frame, and one end of the rotating shaft is rotatably connected with the bearing seat.

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

1. the utility model discloses in clear up the separation net through the clearance subassembly, can avoid the separation net when using for a long time surface adsorption and pile up more dust and cause the jam, improved the ventilation effect in this wind channel, when the outside object striking of an air inlet section of thick bamboo, the object collides with the protecting frame to cushion the protection through the buffering sponge, avoid an air inlet section of thick bamboo impaired, have better protecting effect, can change alone when the protecting frame damages, it is lower to maintain convenient cost.

2. The utility model discloses in drive turbine fan blade through the air current and rotate and to make brush board round trip movement clear up the separation net surface, reduce the separation net absorbent dust when ventilation, have better dustproof effect, make this wind channel more unobstructed when using, improved ventilation efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of an air duct protection device for a civil air defense entrance provided by the utility model;

fig. 2 is a schematic view of an air inlet barrel structure of the air duct protection device for the civil air defense entrance, which is provided by the utility model, in a broken away manner;

fig. 3 is a partially disassembled schematic view of the air duct protection device for the civil air defense entrance provided by the utility model;

fig. 4 is the utility model provides a people's air flue protective equipment's for air defense entry profile of tooth ring constructs the sketch map.

In the figure: 1. an air inlet cylinder; 2. a support frame; 3. a rotating shaft; 4. turbine blades; 5. an isolation net; 6. cleaning the assembly; 7. a protective frame; 8. a buffer sponge; 9. fixing the bolt; 10. a half gear; 11. a toothed ring; 12. a through groove; 13. a rack plate; 14. a chute; 15. moving the plate; 16. a travel bar; 17. a brush plate; 18. a tension spring; 19. and a bearing seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1-4, an air duct protection device for a civil air defense entrance comprises an air inlet cylinder 1, wherein a support frame 2 is fixed on the inner side wall of the air inlet cylinder 1, a rotating shaft 3 is rotatably connected on the side wall of one side of the support frame 2, a turbine fan blade 4 is tightly sleeved on the outer side wall of the rotating shaft 3, an isolation net 5 is fixed on the inner side wall of the air inlet cylinder 1, a cleaning assembly 6 is arranged inside the air inlet cylinder 1, a protection frame 7 is sleeved on the outer side wall of the air inlet cylinder 1, a buffer sponge 8 is arranged between the inner side wall of the protection frame 7 and the outer side wall of the air inlet cylinder 1, and a plurality of uniformly distributed fixing bolts 9 are arranged between the protection frame 7 and the air inlet cylinder 1; clear up separation net 5 through clearance subassembly 6, can avoid separation net 5 when using for a long time surface adsorption and pile up more dust and cause the jam, improved the ventilation effect in this wind channel, when the outside object striking of an air inlet section of thick bamboo 1, the object collides with protecting frame 7 to cushion through buffering sponge 8 and protect, avoid an air inlet section of thick bamboo 1 impaired, have better protecting effect, can change alone when protecting frame 7 damages, it is lower to maintain convenient cost.

The cleaning assembly 6 comprises a half gear 10 which is tightly sleeved with the outer side wall of the rotating shaft 3, the outer side wall of the half gear 10 is sleeved with a toothed ring 11, two ends of the toothed ring 11 are respectively fixed with a moving rod 16, two ends of the moving rod 16 are respectively connected with the inner walls of two sides of the air inlet cylinder 1 in a sliding manner, the side wall of one side of the moving rod 16 is fixed with two symmetrically arranged moving plates 15, and one side of each moving plate 15 is provided with a brush plate 17; the turbine fan blades 4 are driven to rotate through the air flow, so that the brush plates 17 can move back and forth to clean the surface of the isolation net 5, adsorbed dust of the isolation net 5 during ventilation is reduced, a good dustproof effect is achieved, the air duct is smoother in use, and the ventilation efficiency is improved.

A through groove 12 is formed in the side wall of one side of the toothed ring 11, two rack plates 13 which are symmetrically arranged are fixed to the side walls of the two sides of the through groove 12 respectively, the half gear 10 is located inside the through groove 12, and the half gear 10 is meshed with one of the rack plates 13.

The inner walls of two sides of the air inlet barrel 1 are respectively provided with a sliding groove 14, two ends of two moving rods 16 are respectively connected with the two sliding grooves 14 in a sliding manner, a plurality of telescopic springs 18 distributed at equal intervals are fixed on the side wall of one side of the moving plate 15, one ends of the plurality of telescopic springs 18 are fixed on the side wall of one side of the brush plate 17, and the brush plate 17 is mutually attached to the side wall of one side of the isolation net 5.

The vertical section of support frame 2 is X-shaped, and bearing frame 19 is installed to one side of support frame 2, and the one end of pivot 3 rotates with bearing frame 19 and is connected.

The working principle is as follows: when the ventilating duct is used, a fan inside the duct performs air draft work, at the moment, the air inlet barrel 1 sucks external air, the external air enters the air inlet barrel 1, the turbine fan blades 4 rotate along with airflow flow, the turbine fan blades 4 rotate to drive the rotating shaft 3 to rotate, the rotating shaft 3 rotates to drive the half gear 10 to rotate, the half gear 10 sequentially meshes with two toothed plates inside the toothed ring 11 to drive the toothed ring 11 to move back and forth when rotating, the moving rod 16 and the moving plate 15 are driven to move back and forth when the toothed ring 11 moves, the brush plate 17 is driven to clean the surface of the isolating net 5 when the moving plate 15 moves, bristles of the brush plate 17 penetrate through holes in the surface of the isolating net 5 to deeply clean the isolating net, the problem that the surface of the isolating net 5 is blocked due to the adsorption and accumulation of more dust when the isolating net 5 is used for a long time is solved, and the ventilating effect of the ventilating duct is improved, when the outside object striking of an air inlet section of thick bamboo 1, the object collides with protective frame 7 to cushion the protection through buffering sponge 8, avoid an air inlet section of thick bamboo 1 impaired, can change alone when protective frame 7 damages, it is lower to maintain convenient cost.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a wind channel protective equipment for people's air defense entry, includes an air inlet section of thick bamboo (1), its characterized in that, the inside wall of an air inlet section of thick bamboo (1) is fixed with support frame (2), one side lateral wall of support frame (2) rotates and is connected with pivot (3), turbine fan blade (4) have been cup jointed in the lateral wall fastening of pivot (3), the inside wall of an air inlet section of thick bamboo (1) is fixed with separation net (5), the inside of an air inlet section of thick bamboo (1) is provided with clearance subassembly (6), the lateral wall of an air inlet section of thick bamboo (1) has cup jointed protection frame (7), the inside wall of protection frame (7) with be provided with buffering sponge (8) between the lateral wall of an air inlet section of thick bamboo (1), protection frame (7) with be provided with a plurality of evenly distributed's fixing bolt (9) between an air inlet section of thick bamboo (1).

2. The air duct protection device for the civil air defense entrance according to claim 1, characterized in that the cleaning assembly (6) comprises a half gear (10) fastened and sleeved with the outer side wall of the rotating shaft (3), a toothed ring (11) is sleeved on the outer side wall of the half gear (10), moving rods (16) are respectively fixed at two ends of the toothed ring (11), two ends of the moving rods (16) are respectively connected with the inner walls of two sides of the air inlet cylinder (1) in a sliding manner, two symmetrically arranged moving plates (15) are fixed on the side wall of one side of the moving rods (16), and a brush plate (17) is arranged on one side of the moving plates (15).

3. The air duct protection device for the civil air defense entrance according to claim 2, characterized in that a through groove (12) is opened on one side wall of the toothed ring (11), two rack plates (13) are fixed on two side walls of the through groove (12) symmetrically, the half gear (10) is located inside the through groove (12), and the half gear (10) is meshed with one of the rack plates (13).

4. The air duct protection device for the civil air defense entrance according to claim 2, characterized in that the inner walls of the two sides of the air inlet cylinder (1) are respectively provided with a sliding groove (14), and the two ends of the two moving rods (16) are respectively connected with the two sliding grooves (14) in a sliding manner.

5. The air duct protection device for the civil air defense entrance according to claim 2, characterized in that a plurality of expansion springs (18) are fixed on one side wall of the moving plate (15) and distributed at equal intervals, one ends of the expansion springs (18) are fixed on one side wall of the brush plate (17), and the brush plate (17) is attached to one side wall of the isolation net (5).

6. The air duct protection device for the civil air defense entrance according to claim 1, characterized in that the vertical section of the support frame (2) is X-shaped, a bearing seat (19) is installed on one side of the support frame (2), and one end of the rotating shaft (3) is rotatably connected with the bearing seat (19).