CN219932017U

CN219932017U - Sealing structure of civil air defense door body

Info

Publication number: CN219932017U
Application number: CN202321132127.XU
Authority: CN
Inventors: 毛鹏飞; 郑杰; 柴永丰
Original assignee: Shanghai Zhongxing Protection Technology Co ltd
Current assignee: Shanghai Zhongxing Protection Technology Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-10-31
Anticipated expiration: 2033-05-11

Abstract

The utility model discloses a seal structure of a civil air defense door body, which relates to the technical field of seal structures of door bodies and aims to solve the problem that the sealing performance is reduced due to the fact that a sealing strip is worn after the seal structure is used for a long time.

Description

Sealing structure of civil air defense door body

Technical Field

The utility model relates to the field of door body sealing structures, in particular to a door body sealing structure of a civil air defense door.

Background

The civil air defense door is a door at the entrance and the exit of civil protection engineering, has more vivid classification, and comprises common single-leaf and double-leaf protection airtight doors, airtight doors and other various civil air defense equipment, wherein the civil air defense door is used for government mobilization and organization masses, taking anti-air attack, disaster relief measures, implementing rescue and reducing disaster damage activities. The civil air defense door is one of devices used for government mobilization and organization masses, taking anti-air attack, disaster-fighting and relief measures, implementing rescue actions, and preventing and relieving disaster damage activities.

The prior art is as in publication No.: CN213654646U provides a technical solution: when the device is used, the opposite situation is known through the observation window on the civil air defense door body, then the civil air defense door body is moved by the handle arranged on the left side of the civil air defense door body, so that the civil air defense door body moves in the sliding groove in the door frame of the device, and meanwhile, when the civil air defense door body receives pressure, the decompression spring can give the elastic force of the decompression plate, so that the civil air defense door body is buffered, and meanwhile, the joints of four corners of the civil air defense door body are fixedly mounted by the dovetail, and the dovetail is a very practical splicing method and is a recognized and firmest joggle mode so as to improve the stability of the device. When this device is closed, the handle that people's air defense door body left side was equipped with removes people's air defense door body, makes people's air defense door body and device door frame fully closed to the junction that makes people's air defense door body and device door frame all is equipped with first sealing strip and second sealing strip, and when people's air defense door body did not close, reset spring can pop out moreover, and elastic switch can't be pressed down, and bee calling organ can automatic alarm, in order to remind personnel.

But in actual use, the joint is sealed only by the sealing strip, and the sealing strip is worn to reduce the sealing performance after long-time use, so that the sealing structure of the civil air defense door body is optimized.

Disclosure of Invention

In order to solve the problem that the sealing property is reduced due to the fact that the sealing strip is worn after the sealing strip is used for a long time, the utility model provides the sealing structure of the door body of the civil air defense door, the sealing property can be improved by sealing in a mode that the cambered surface sealing block is attached to the cambered surface groove, and the problem that the sealing attachment is not tight enough due to the fact that the cambered surface sealing block is worn can be avoided by using the spring as a support mode.

The utility model provides a seal structure of a civil air defense door body, which adopts the following technical scheme:

the utility model provides a people's air defense door body seal structure, includes the door frame, the seal groove has been seted up to the inner wall of door frame, seal groove inner wall sliding connection has the sliding door, logical groove has been seted up to the right side frame wall of door frame, and the inner wall and the sliding door sliding connection of logical groove.

Through adopting above-mentioned technical scheme, can open and shut through sliding door at seal groove gliding mode.

Optionally, the left side fixedly connected with lug of seal groove inner wall, the left side of sliding door is seted up flutedly.

By adopting the technical scheme, the sealing performance of the labyrinth structure is improved when the labyrinth structure is closed by arranging the grooves and the protruding blocks to be matched.

Optionally, the bar through-hole has been seted up to the inner wall of lug, the both ends of bar through-hole inner wall sliding connection has the cambered surface sealing block respectively, the arc noodless groove has been seted up respectively to the inner wall both sides of recess correspond the position of two cambered surface sealing blocks, and the inner wall in arc noodless groove is laminated with the cambered surface sealing block.

By adopting the technical scheme, the sealing performance can be improved by sealing the arc-shaped sealing block against the arc-shaped noodle groove in a laminating way.

Optionally, a spring is fixedly connected between the two cambered surface sealing blocks.

Through adopting above-mentioned technical scheme, can avoid cambered surface sealing block because of wearing and tearing to lead to sealing laminating inseparable problem as the mode of support through the spring.

Optionally, the recess type gear strip is inlayed in the position in the middle of the sliding door front, the right side of door frame inner wall is provided with the mechanism that opens and shuts, the mechanism that opens and shuts is including the gear box, gear box fixed connection in the right side of door frame inner wall, the gear box is connected with the bull stick through the bearing rotation, the rectangle through-hole has been seted up to the gear box position that corresponds the recess type gear strip, the fixed cover of outer wall of bull stick is equipped with drive gear, and drive gear passes rectangle through-hole and recess type gear strip meshing.

By adopting the technical scheme, the sliding door is pushed to move to open and close by the transmission gear in a way that the transmission gear is meshed with the groove type gear bar.

Optionally, the fixed cover of bull stick outer wall is equipped with first gear, first gear meshing is connected with the second gear, the front of gear box is provided with the hand wheel, and the hand wheel runs through the front and the second gear fixed connection of gear box through the pivot.

Through adopting above-mentioned technical scheme, through the mode of rotation hand wheel, conveniently drive the second gear, drive the bull stick rotation through the first gear of meshing.

Optionally, the first gear and the second gear are bevel gears.

By adopting the technical scheme, the device is used for changing the movement direction.

In summary, the utility model has the following beneficial effects:

1. the sliding door is opened and closed in a sliding mode in the sealing groove, the labyrinth structure is formed by matching the grooves with the projections, so that the tightness is improved when the sliding door is closed, the cambered surface sealing blocks are arranged to be abutted against the cambered surface grooves for sealing, the tightness can be improved, and the problem that the cambered surface sealing blocks are not tightly abutted due to abrasion can be avoided by taking the spring as a supporting mode.

2. According to the utility model, the second gear is conveniently driven by rotating the hand wheel, the rotating rod is driven to rotate by the meshed first gear, and the sliding door is pushed to move to open and close by the transmission gear in a mode that the transmission gear is meshed with the groove type gear strip, so that the aim of convenient opening and closing is fulfilled.

Drawings

Fig. 1 is a front view of a seal structure of a civil air defense door body according to the present utility model.

Fig. 2 is a top cross-sectional view of a seal structure for a civil air defense door body of the present utility model.

Fig. 3 is a side sectional view of an opening and closing mechanism of a civil air defense door body sealing structure of the present utility model.

Reference numerals illustrate:

1. a door frame; 2. sealing grooves; 201. a bump; 202. a bar-shaped through hole; 203. a cambered surface sealing block; 204. a spring; 3. a through groove; 4. a sliding door; 401. a groove; 402. an arc noodle groove; 5. groove type gear strips; 6. an opening and closing mechanism; 601. a gear box; 602. a rotating rod; 603. rectangular through holes; 604. a transmission gear; 605. a first gear; 606. a second gear; 607. and a hand wheel.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

Referring to fig. 1 and 2, a seal structure of a civil air defense door body comprises a door frame 1, wherein a seal groove 2 is formed in the inner wall of the door frame 1, a sliding door 4 is slidably connected to the inner wall of the seal groove 2, a through groove 3 is formed in the right side frame wall of the door frame 1, the inner wall of the through groove 3 is slidably connected with the sliding door 4, and the door can be opened and closed in a sliding mode of the sliding door 4 in the seal groove 2.

Referring to fig. 1 and 2, a bump 201 is fixedly connected to the left side of the inner wall of the sealing groove 2, a groove 401 is formed on the left side of the sliding door 4, a labyrinth structure is formed by matching the groove 401 with the bump 201 to increase the tightness of the sealing door when the sealing door is closed, a strip-shaped through hole 202 is formed in the inner wall of the bump 201, and two ends of the inner wall of the strip-shaped through hole 202 are respectively and slidably connected with a cambered surface sealing block 203; the arc noodle grooves 402 are respectively formed in the positions, corresponding to the two cambered surface sealing blocks 203, on two sides of the inner wall of the groove 401, and the inner wall of the arc noodle grooves 402 are attached to the cambered surface sealing blocks 203, so that sealing performance can be improved by attaching the cambered surface sealing blocks 203 to the arc noodle grooves 402.

Referring to fig. 1 and 2, a spring 204 is fixedly connected between two cambered surface sealing blocks 203, and the problem that the cambered surface sealing blocks 203 are not tightly adhered due to abrasion can be avoided by using the spring 204 as a support.

Referring to fig. 1 and 3, a groove-shaped gear bar 5 is embedded in the middle position of the front surface of the sliding door 4, an opening and closing mechanism 6 is arranged on the right side of the inner wall of the door frame 1, the opening and closing mechanism 6 comprises a gear box 601, the gear box 601 is fixedly connected to the right side of the inner wall of the door frame 1, the gear box 601 is rotatably connected with a rotating rod 602 through a bearing, a rectangular through hole 603 is formed in the position, corresponding to the groove-shaped gear bar 5, of the gear box 601, a transmission gear 604 is fixedly sleeved on the outer wall of the rotating rod 602, and the transmission gear 604 penetrates through the rectangular through hole 603 and is meshed with the groove-shaped gear bar 5.

Referring to fig. 1 and 3, in a manner that a transmission gear 604 is meshed with a groove-type gear bar 5, a sliding door 4 is pushed to move to open and close by the transmission gear 604, a first gear 605 is arranged on a fixed sleeve on the outer wall of a rotating rod 602, a second gear 606 is connected with the first gear 605 in a meshed manner, a hand wheel 607 is arranged on the front face of a gear box 601, the hand wheel 607 penetrates through the front face of the gear box 601 and is fixedly connected with the second gear 606 through a rotating shaft, the second gear 606 is conveniently driven by rotating the hand wheel 607, the rotating rod 602 is driven by the meshed first gear 605 to rotate, and the first gear 605 and the second gear 606 are bevel gears for changing the moving direction.

The implementation principle of the utility model is as follows: through the mode of turning the hand wheel 607, conveniently drive the second gear 606, it is rotatory to drive bull stick 602 through the first gear 605 of meshing, the mode of meshing recess gear strip 5 through drive gear 604 promotes the sliding door 4 through drive gear 604 and removes and open and shut, in order to reach the purpose of convenient opening and shutting, open and shut at the gliding mode of seal groove 2 through sliding door 4, seal the leakproofness when forming its closure through setting up recess 401 and lug 201 cooperation, and seal through setting up cambered surface sealing block 203 laminating and support the mode of cambered surface noodless groove 402 and seal and can increase the leakproofness, spring 204 can avoid cambered surface sealing block 203 because of wearing and tearing and leading to sealed laminating not tight problem.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a people's air defense door body seal structure, includes door frame (1), its characterized in that: the inner wall of the door frame (1) is provided with a sealing groove (2), the inner wall of the sealing groove (2) is connected with a sliding door (4) in a sliding way, the right side frame wall of the door frame (1) is provided with a through groove (3), and the inner wall of the through groove (3) is connected with the sliding door (4) in a sliding way;

the sliding door is characterized in that a groove-shaped gear strip (5) is embedded in the middle of the front surface of the sliding door (4), an opening and closing mechanism (6) is arranged on the right side of the inner wall of the door frame (1), the opening and closing mechanism (6) comprises a gear box (601), the gear box (601) is fixedly connected to the right side of the inner wall of the door frame (1), and the gear box (601) is rotationally connected with a rotating rod (602) through a bearing;

the left side of seal groove (2) inner wall fixedly connected with lug (201), recess (401) have been seted up to the left side of sliding door (4).

2. The civil air defense door body sealing structure according to claim 1, wherein: the inner wall of lug (201) has seted up bar through-hole (202), the both ends of bar through-hole (202) inner wall sliding connection has cambered surface sealing block (203) respectively, arc noodless groove (402) have been seted up respectively to the position that two cambered surface sealing blocks (203) are corresponding to the inner wall both sides of recess (401), and the inner wall in cambered surface bar groove (402) is laminated with cambered surface sealing block (203).

3. The civil air defense door body sealing structure according to claim 2, wherein: a spring (204) is fixedly connected between the two cambered surface sealing blocks (203).

4. The civil air defense door body sealing structure according to claim 1, wherein: rectangular through holes (603) are formed in positions, corresponding to the groove-shaped gear strips (5), of the gear box (601), transmission gears (604) are fixedly sleeved on the outer walls of the rotating rods (602), and the transmission gears (604) penetrate through the rectangular through holes (603) to be meshed with the groove-shaped gear strips (5).

5. The civil air defense door body sealing structure according to claim 4, wherein: the fixed cover of bull stick (602) outer wall is equipped with first gear (605), first gear (605) meshing is connected with second gear (606), the front of gear box (601) is provided with hand wheel (607), and hand wheel (607) run through the front and second gear (606) fixed connection of gear box (601) through the pivot.

6. The civil air defense door body sealing structure according to claim 5, wherein: the first gear (605) and the second gear (606) are bevel gears.