CN211448373U

CN211448373U - Air interchanger of civil air defense door

Info

Publication number: CN211448373U
Application number: CN201921245338.8U
Authority: CN
Inventors: 齐国辉; 王亮; 苏佩龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-09-08
Anticipated expiration: 2029-08-02

Abstract

The utility model relates to a people's air defense door breather, which comprises a door plate, be equipped with the axle sleeve on the door plant, the switch handle, ventilation hole and transmission room, the ventilation hole is equipped with a plurality of shutter plate, the shutter plate is the rectangular plate, and one end is equipped with sealed arch, the other end is equipped with the seal groove, the shutter plate evenly is equipped with the pivot along its length direction, the restriction is inboard in the ventilation hole to the one end of pivot, the other end stretches into in the transmission room and is fixed with third conical gear, the transmission room rotates through the backup pad and supports there is the transmission shaft, crisscross first conical gear and the second conical gear of being fixed with in the transmission shaft, the lower extreme of transmission shaft is fixed with driven conical gear, driven conical gear and initiative conical gear intermeshing, initiative conical gear fixes in the drive shaft. The louver blades are arranged at the positions of the ventilation holes, and can rotate to adjust the size of the ventilation holes; the both sides of door plant all are equipped with the crank, can bidirectional operation, convenient to use.

Description

Air interchanger of civil air defense door

Technical Field

The utility model relates to a people's air defense door technical field, concretely relates to people's air defense door breather.

Background

People's air defense is also called civil defense, which is a government mobilization and organization of the masses, takes measures of air attack prevention and disaster resistance and relief, implements rescue actions, prevents and alleviates the activities of disaster damage, and a people's air defense door belongs to civil defense protection equipment and is a door of an entrance and exit of a civil protection project. Most of the traditional civil air defense doors do not have the ventilation function, and when the civil air defense doors are used for a long time, necessary ventilation devices need to be arranged.

Therefore, a people's air regenerating device of air defense door is disclosed in the patent specification with the publication number of CN207004349U, including the door plant, the upper portion of door plant is equipped with the scavenge port, be equipped with the scavenging plate on the scavenge port, be equipped with the headstock gear of taking a breath on the scavenging plate, the headstock gear of taking a breath is including opening and close the knot piece, open and close the fastener, the rotation axis, first installation piece and second installation piece, open and close the knot piece and install on first installation piece, open and close the fastener and pass through the rotation axis and install on second installation piece, open and close and be equipped with on the knot piece and open and close the catching groove, open and close the fastener and include fastener piece and rotatory handle, rotatory handle is connected to the fastener piece, be equipped with the fastener hole on the fastener. However, the civil air defense door air interchanger has the defects that firstly, the civil air defense door air interchanger can be opened only in one direction, cannot be operated in two directions and is inconvenient to use; secondly, the size of the ventilation hole can not be adjusted, and then the ventilation effect can not be adjusted.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at overcomes at least one kind of defect among the prior art, provides a people's air defense door breather.

In order to realize the technical scheme, the utility model discloses a following technical scheme:

according to one aspect of the utility model, a civil air defense door ventilation device is provided, which comprises a door plate, one side of the door plate is provided with a protruding shaft sleeve, the other side is provided with a switch handle, the door plate is provided with a ventilation hole and a transmission chamber, the ventilation hole is provided with a plurality of louver blades, the louver blades are rectangular plates, one end of each louver blade is provided with a sealing bulge, the other end of each louver blade is provided with a sealing groove matched with the sealing bulge, the louver blades are uniformly provided with a rotating shaft along the length direction, one end of the rotating shaft is limited inside the ventilation hole, the other end of the rotating shaft extends into the transmission chamber and is fixed with a third bevel gear, the transmission chamber is rotatably supported with a transmission shaft through a supporting plate, the transmission shaft is fixed with a first bevel gear and a second bevel gear in a staggered manner, the first bevel gear is meshed with the upper part corresponding to the third bevel gear, the second, the door plate is characterized in that a driven bevel gear is fixed at the lower end of the transmission shaft, the driven bevel gear is meshed with a driving bevel gear, the driving bevel gear is fixed on a driving shaft, two ends of the driving shaft penetrate through the door plate respectively, and a crank handle is fixed at each end.

Further, in the above-mentioned people's air defense door breather, when the shutter plate rotated to be parallel with the vertical face, can completely seal the ventilation hole.

Further, among the above-mentioned people's air interchanger of air defense door, the ventilation hole is the rectangular hole, and the upper and lower limit portion is equipped with the arc wall.

Furthermore, in the civil air defense door ventilator, the thickness of the louver blades is 2-5 cm.

Further, in the civil air defense door ventilator, when the handle is rotated, the rotation directions of the adjacent two louver blades are opposite.

Further, in the above civil air defense door ventilator, the louver blades are made of stainless steel material.

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

the utility model has reasonable structure design, and the louver blades can rotate to adjust the size of the ventilation opening by arranging a plurality of rows of louver blades at the ventilation hole, thereby satisfying the adjustment of the ventilation effect; the both sides of door plant all are equipped with the crank, can bidirectional operation, convenient to use. In addition, different with traditional tripe mechanism, the direction of rotation of two adjacent shutter plate in this device is opposite for the sealed arch of upper layer shutter plate just changes over into the seal groove of lower floor shutter plate, and not like traditional tripe mechanism carries out simple laminating, and sealed when needing to seal is effectual.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of the structure of the louver blade of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-door plate, 2-shaft sleeve, 3-switch handle, 4-vent hole, 5-transmission chamber, 6-louver blade, 601-sealing protrusion, 602-sealing groove, 7-rotating shaft, 8-third bevel gear, 9-support plate, 10-transmission shaft, 11-first bevel gear, 12-second bevel gear, 13-driven bevel gear and 14-driving bevel gear.

Detailed Description

Referring to fig. 1-3, the present embodiment is a ventilation device for a civil air defense door, which includes a door panel 1, a protruding shaft sleeve 2 is disposed on one side of the door panel 1, and a switch handle 3 is disposed on the other side. The door plate 1 is provided with a vent hole 4 and a transmission chamber 5, and the vent hole 4 is provided with a plurality of louver blades 6. The louver blade 6 is a rectangular plate, and one end of the louver blade is provided with a sealing bulge 601, and the other end of the louver blade is provided with a sealing groove 602 matched with the sealing bulge 601. The louver blades 6 are evenly provided with rotating shafts 7 along the length direction, one ends of the rotating shafts 7 are limited to the inner side of the ventilation holes 4 in a rotating mode, and the other ends of the rotating shafts 7 extend into the transmission chamber 5 and are fixed with third bevel gears 8. The transmission chamber 5 rotatably supports a transmission shaft 10 through a support plate 9. First bevel gears 11 and second bevel gears 12 are fixed in the transmission shaft 10 in a staggered manner, the first bevel gears 11 are meshed with the upper parts of the corresponding third bevel gears 8, and the second bevel gears 12 are meshed with the lower parts of the corresponding third bevel gears 8. A driven bevel gear 13 is fixed at the lower end of the transmission shaft 10, and the driven bevel gear 13 is meshed with the driving bevel gear 14. The driving bevel gear 14 is fixed on a driving shaft, two ends of the driving shaft respectively penetrate through the door plate, and a crank handle is fixed at each end.

In this embodiment, when the louver blades 6 rotate to be parallel to the vertical surface, the ventilation holes 4 can be completely closed. The ventilation holes 4 are rectangular holes, and arc-shaped grooves are formed in the upper edge portion and the lower edge portion.

In this embodiment, the thickness of the louver 6 is 2-5 cm. When the handle is rotated, the rotation directions of the adjacent two louver blades 6 are opposite. The louver blades 6 are made of stainless steel material.

One specific application of this embodiment is: the structure of the embodiment is reasonable in design, and the louver blades 6 are arranged at the vent holes 4, so that the louver blades 6 can rotate to adjust the size of the vent, and the ventilation effect can be adjusted; the both sides of door plant 1 all are equipped with the crank, can two-way operation, convenient to use. In addition, different with traditional tripe mechanism, the direction of rotation of two adjacent shutter plate 6 in this device is opposite for the sealed arch of upper layer shutter plate 6 just changes over into the seal groove of lower floor shutter plate 6, and not like traditional tripe mechanism carries out simple laminating, and sealed when needing to seal is effectual.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a people's air defense door breather, includes the door plant, one side is equipped with outstanding axle sleeve on the door plant, and the switch handle, its characterized in that are equipped with to the opposite side: the door plate is provided with a ventilation hole and a transmission chamber, the ventilation hole is provided with a plurality of louver blades, the louver blades are rectangular plates, one end of each louver blade is provided with a sealing protrusion, the other end of each louver blade is provided with a sealing groove matched with the sealing protrusion, the louver blades are uniformly provided with a rotating shaft along the length direction of the louver blades, one end of each rotating shaft is limited on the inner side of the ventilation hole in a rotating way, the other end of each rotating shaft extends into the transmission chamber and is fixedly provided with a third bevel gear, the transmission chamber is rotatably supported with a transmission shaft through a supporting plate, a first bevel gear and a second bevel gear are fixed in the transmission shaft in a staggered way, the first bevel gear is meshed with the upper part of the corresponding third bevel gear, the second bevel gear is meshed with the lower part of the corresponding third bevel gear, the lower end of the transmission shaft is fixedly provided with a driven bevel gear, two ends of the driving shaft respectively penetrate through the door plate, and a crank handle is fixed at each end part; when the handle is rotated, the rotation directions of the adjacent two louver blades are opposite.

2. The people's air defense door breather of claim 1, wherein: when the louver blades rotate to be parallel to the vertical surface, the ventilation holes can be completely closed.

3. The people's air defense door breather of claim 2, wherein: the ventilation hole is a rectangular hole, and the upper edge part and the lower edge part are provided with arc-shaped grooves.

4. The people's air defense door breather of claim 1, wherein: the thickness of the louver blades is 2-5 cm.

5. The people's air defense door breather of claim 1, wherein: the louver blades are made of stainless steel materials.