CN210598741U

CN210598741U - Sealing device of civil air defense door

Info

Publication number: CN210598741U
Application number: CN201920983565.4U
Authority: CN
Inventors: 缪德稳
Original assignee: Jiangsu Oute Electronic Technology Co ltd
Current assignee: Jiangsu Oute Electronic Technology Co ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-05-22
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses a sealing device of people's air defense door relates to people's air defense door technical field, including the base, the upside of base is rotated and is installed the door plant, and there are four sealing strips around the door plant sliding mounting respectively, and the inboard fixed mounting of door plant has the deckle board, is connected with the spring between the outside of deckle board and the inboard position of sealing strip, and first motor is installed to the inboard of deckle board, and the output of first motor is connected with the swivel becket, is connected with the stay cord between the outside of swivel becket and the inboard position of sealing strip. The utility model relates to a novelty, simple structure, convenient to use, the spring withstands the sealing strip to the outside, drives the rotating ring rotation after first motor starts, and the pivoted rotating ring drives the stay cord and moves to the inboard, and the sealing strip receives the pulling force to the inboard this moment, slides to the inboard, has realized tightening up of sealing strip, and when first motor antiport, the stay cord no longer tightens up this moment, and the spring can be ejecting with the sealing strip to the outside this moment, has realized better sealed effect.

Description

Sealing device of civil air defense door

Technical Field

The utility model relates to a people's air defense door technical field specifically is a sealing device of people's air defense door.

Background

The civil air defense door is a door with an isolation effect in a subway tunnel, is mainly used for wartime service and is used for preventing air attack, and masking personnel and materials. The invasion limit of the civil air defense door means that the door is not normally opened, the civil air defense door is used for emergency air defense, like a very thick door filled with cement arranged in an underground garage in a community, and doors of an emergency shelter belong to the civil air defense door, are used for protecting refuge people, and are used for blocking a door for blasting and killing, and the civil air defense door is very important in practical application. Due to the particularity of civil air defense engineering, the sealing performance of the adopted protective equipment such as a civil air defense door is very important.

At present, the sealing structure of the civil air defense door in the prior art is relatively complex, the sealing strength is not high, and dead angles are easily generated, so that the leakage phenomenon is caused. Not only the structure is complicated, and sealing performance is poor, influences personal safety, and current people's air defense door is all very heavy simultaneously, has leaded to closing very hard with opening for the less people of strength is comparatively difficult when switching people's air defense door, and current people's air defense door is firm inadequately when closing simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealing device of people's air defense door to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sealing device of people's air defense door, includes the base, the upside of base is rotated and is installed the door plant, there are four sealing strips around the door plant respectively slidable mounting, the inboard fixed mounting of door plant has the deckle board, be connected with the spring between the outside of deckle board and the inboard position of sealing strip, first motor is installed to the inboard of deckle board, the output of first motor is connected with the swivel becket, be connected with the stay cord between the outside of swivel becket and the inboard position of sealing strip.

As a further aspect of the present invention: the dwang is installed in rotating between the downside position of the upside of base and door plant, the outside of dwang is equipped with from the driving wheel.

As a further aspect of the present invention: the right side fixed mounting of base has the second motor, the output of second motor is connected with the second action wheel, the second action wheel with from the driving wheel meshing connection.

As a further aspect of the present invention: the right side fixed mounting of base has the locating plate, the surface of locating plate runs through there is the locating hole.

As a further aspect of the present invention: the door plate is characterized in that a sliding rod is fixedly mounted at the lower end of the right side of the door plate, a sliding rail is arranged on the surface of the sliding rod, and a sliding block is slidably mounted on the inner side of the sliding rail.

As a further aspect of the present invention: the left side of slide bar is equipped with the rack, the left side fixed mounting of slider has the third motor, the output of third motor is connected with the third action wheel, the third action wheel is connected with the rack meshing.

As a further aspect of the present invention: the lower end of the sliding block is fixedly provided with a positioning rod, and the cross sections of the positioning rod and the positioning hole are circular with the same diameter.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has novel design, simple structure and convenient use, the spring props the sealing strip outwards, when the first motor rotates reversely, the rotating ring also rotates reversely, the stay cord is not tightened any more, and the spring can push the sealing strip outwards, thus realizing better sealing effect; the rotating rod drives the door plate on the upper side to rotate, so that the heavy civil air defense door is driven by the motor without being manually closed by an operator, and can be quickly closed in a labor-saving manner; the third motor drives the third action wheel to rotate on one side of the rack after being started, so that the third action wheel and the sliding block move up and down in the sliding rail, after the door plate is closed, the third motor drives the positioning rod to move towards the lower side, the positioning rod is inserted into the positioning hole in the lower side positioning block, and accurate positioning is realized.

Drawings

FIG. 1 is a schematic view of a sealing device for a civil air defense door;

FIG. 2 is a schematic view showing the structure of a spring in a sealing device of a civil air defense door;

FIG. 3 is a schematic view of the construction of a driven wheel in a sealing device of a civil air defense door;

fig. 4 is a schematic structural view of a rack in a sealing device of a civil air defense door.

In the figure: 1. a base; 2. a door panel; 3. a sealing strip; 4. a frame plate; 5. a spring; 6. a first motor; 7. a rotating ring; 8. pulling a rope; 9. rotating the rod; 10. a driven wheel; 11. a second motor; 12. a second drive wheel; 13. positioning a plate; 14. positioning holes; 15. a slide bar; 16. a slide rail; 17. a rack; 18. a slider; 19. a third motor; 20. a third driving wheel; 21. and (5) positioning the rod.

Detailed Description

Referring to fig. 1-4, in an embodiment of the present invention, a sealing device for a civil air defense door includes a base 1, a door plate 2 is rotatably installed on an upper side of the base 1, four sealing strips 3 are respectively slidably installed around the door plate 2, a frame plate 4 is fixedly installed on an inner side of the door plate 2, a spring 5 is connected between an outer side of the frame plate 4 and an inner side position of the sealing strip 3, a first motor 6 (model VTB 56-2A) is installed on an inner side of the frame plate 4, an output end of the first motor 6 is connected with a rotating ring 7, a pull rope 8 is connected between an outer side of the rotating ring 7 and the inner side position of the sealing strip 3, the spring 5 supports the sealing strip 3 to an outer side, the first motor 6 drives the rotating ring 7 to rotate, the rotating ring 7 drives the pull rope 8 to move to the inner side, at this time, the sealing strip 3 is pulled, when first motor 6 antiport, swivel becket 7 also can antiport, and stay cord 8 no longer tightens up this moment, and spring 5 can be ejecting outside sealing strip 3 this moment, has realized better sealed effect.

Rotating between base 1's the upside and door plant 2's the downside position and installing dwang 9, the outside of dwang 9 is equipped with from driving wheel 10, base 1's right side fixed mounting has second motor 11 (the model is VTB 56-2A), second motor 11's output is connected with second action wheel 12, second action wheel 12 with from driving wheel 10 meshing connection, second motor 11 drives second action wheel 12 after starting and rotates, second action wheel 12 drives from driving wheel 10 and dwang 9 synchronous rotation, thereby make dwang 9 drive door plant 2 of upside realize rotating, make massive people's air defense door need not the manual closing of operating personnel, but drive by the motor, can be fast and laborsaving close.

A positioning plate 13 is fixedly arranged on the right side of the base 1, a positioning hole 14 penetrates through the surface of the positioning plate 13, a sliding rod 15 is fixedly arranged at the lower end of the right side of the door panel 2, a sliding rail 16 is arranged on the surface of the sliding rod 15, a sliding block 18 is slidably arranged on the inner side of the sliding rail 16, a rack 17 is arranged on the left side of the sliding rod 15, a third motor 19 (with the model being VTB 56-2A) is fixedly arranged on the left side of the sliding block 18, a third driving wheel 20 is connected to the output end of the third motor 19, the third driving wheel 20 is in meshed connection with the rack 17, a positioning rod 21 is fixedly arranged at the lower end of the sliding block 18, the positioning rod 21 and the cross section of the positioning hole 14 are circular with the same diameter, the third driving wheel 20 is driven to rotate on one side of the rack 17 after the third driving wheel 20 and the, the positioning rod 21 is inserted into the positioning hole 14 in the lower positioning block, accurate positioning is achieved, when the third motor 19 rotates reversely, the sliding block 18 drives the positioning rod 21 to move upwards, the positioning rod 21 is moved out of the positioning hole 14, the door panel 2 can continue to rotate at the moment, and therefore firm positioning of the personal defense door is achieved.

The utility model discloses a theory of operation is: the sealing strip 3 is supported by the spring 5 to the outside, the first motor 6 drives the rotating ring 7 to rotate after being started, the rotating ring 7 drives the pull rope 8 to move to the inside, the sealing strip 3 slides to the inside due to the inward pulling force, the sealing strip 3 is tightened, when the first motor 6 rotates reversely, the rotating ring 7 also rotates reversely, the pull rope 8 is not tightened any more at the moment, the sealing strip 3 can be pushed out to the outside due to the spring 5, a good sealing effect is realized, the second motor 11 drives the second driving wheel 12 to rotate after being started, the second driving wheel 12 drives the driven wheel 10 to rotate synchronously with the rotating rod 9, so that the rotating rod 9 drives the door panel 2 on the upper side to rotate, the heavy civil air defense door is driven by the motor without being manually closed by an operator, the civil air defense door can be closed quickly and labor-saving, the third motor 19 drives the third driving wheel 20 to rotate on one side of the rack 17 after being, make third action wheel 20 and slider 18 reciprocate in slide rail 16, after door plant 2 closed, third motor 19 drives locating lever 21 and moves to the downside, insert locating lever 21 among the locating hole 14 in the locating piece of downside, accurate location has been realized, when third motor 19 antiport, slider 18 drives locating lever 21 and moves to the upside, remove locating lever 21 from locating hole 14, door plant 2 can continue to rotate this moment, thereby realized preventing the firm location of door to the people.

The above-mentioned, 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 utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a sealing device of people's air defense door, includes base (1), the upside of base (1) is rotated and is installed door plant (2), its characterized in that, there are four sealing strips (3) respectively slidable mounting all around of door plant (2), the inboard fixed mounting of door plant (2) has framed panel (4), be connected with spring (5) between the outside of framed panel (4) and the inboard position of sealing strip (3), first motor (6) are installed to the inboard of framed panel (4), the output of first motor (6) is connected with swivel becket (7), be connected with stay cord (8) between the outside of swivel becket (7) and the inboard position of sealing strip (3).

2. The sealing device of the civil air defense door as claimed in claim 1, characterized in that a rotating rod (9) is rotatably arranged between the upper side of the base (1) and the lower side of the door panel (2), and a driven wheel (10) is arranged outside the rotating rod (9).

3. The sealing device of the civil air defense door as claimed in claim 2, wherein a second motor (11) is fixedly arranged at the right side of the base (1), the output end of the second motor (11) is connected with a second driving wheel (12), and the second driving wheel (12) is meshed with the driven wheel (10).

4. The sealing device of the civil air defense door as claimed in claim 1, characterized in that a positioning plate (13) is fixedly arranged at the right side of the base (1), and a positioning hole (14) penetrates through the surface of the positioning plate (13).

5. The sealing device of the civil air defense door as claimed in claim 1, characterized in that a sliding rod (15) is fixedly arranged at the lower end of the right side of the door panel (2), a sliding rail (16) is arranged on the surface of the sliding rod (15), and a sliding block (18) is arranged on the inner side of the sliding rail (16) in a sliding manner.

6. The sealing device of the civil air defense door as claimed in claim 5, wherein a rack (17) is arranged on the left side of the sliding rod (15), a third motor (19) is fixedly installed on the left side of the sliding block (18), the output end of the third motor (19) is connected with a third driving wheel (20), and the third driving wheel (20) is in meshed connection with the rack (17).

7. The sealing device of the civil air defense door as claimed in claim 5, characterized in that the lower end of the sliding block (18) is fixedly provided with a positioning rod (21), and the cross sections of the positioning rod (21) and the positioning hole (14) are circular with the same diameter.