CN210798727U

CN210798727U - People's air defense door with doorsill at entrance and exit

Info

Publication number: CN210798727U
Application number: CN201920951987.3U
Authority: CN
Inventors: 高明
Original assignee: Zhejiang Yinan Civil Air Defense Equipment Co ltd
Current assignee: Zhejiang Yinan Civil Air Defense Equipment Co ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-06-19
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a people's air defense door of access & exit no threshold, including locking subassembly and seal assembly, the locking subassembly sets up the synchronous drive subassembly including sealed roof beam elevating system transmission shaft, locking transmission shaft and sealed roof beam elevating system transmission shaft within a definite time including shutting the transmission shaft, and the synchronous drive subassembly includes: the reversing speed changer comprises an input end and an output end, and the output end is connected with the transmission shaft of the sealing beam lifting mechanism; one end of the telescopic swinging rod is hinged to the locking transmission shaft, and the other end of the telescopic swinging rod is connected with the input end of the reversing speed changer. When the door is locked, the locking rotating wheel is rotated to drive the locking transmission shaft to move, and the upper lock head and the lower lock head are respectively pushed out towards the upper end and the lower end, so that the locking of the civil air defense door is completed; meanwhile, the movement of the locking transmission shaft can drive the telescopic swing rod to swing, so that the input end of the reversing transmission is driven to rotate, the rotation of the input end can drive the transmission shaft of the sealing beam lifting mechanism at the output end to rotate, and the overturning beam is driven to overturn downwards.

Description

People's air defense door with doorsill at entrance and exit

Technical Field

The utility model relates to a people's air defense door technical field, in particular to access & exit do not have people's air defense door of threshold.

Background

Civil air defense engineering is generally combined with peacetime and war time, a large number of personnel and equipment come in and go out at ordinary times, and the civil air defense door of the access and exit needs to be closed in wartime, so that shock waves and toxic gas are prevented from entering the interior of the civil air defense engineering. In order to ensure that the entrance and exit civil air defense door can resist the impact wave in wartime, the civil air defense door is generally provided with a doorsill protruding out of the ground for bearing the impact wave pressure on a door leaf, but the doorsill brings great inconvenience to the people and vehicles in and out at ordinary times.

To this end, chinese patent with grant publication No. CN 103266838A, having application date of 2013, 5.21 discloses a doorsill-free civil air defense door, which comprises a door leaf, a door frame, a lock and a hinge, wherein the lower part of the door leaf is provided with a sealing beam and a sealing beam lifting mechanism, the sealing beam is a turnover sealing beam, and comprises a hinged seat fixedly connected to the back of the door leaf, a rocker hinged to the hinged seat, a turnover beam fixedly connected to the rocker, a ground sealing member fixed to the turnover beam and matched with the ground, and a door leaf sealing member fixed to the turnover beam and matched with the door leaf, the sealing beam lifting mechanism comprises an inverted L-shaped vertical connecting rod, a crank, a shaft seat, a bearing, a sealing beam lifting mechanism transmission shaft, a reversing transmission and a sealing beam lifting handle.

Wherein, the people's air defense door in the above-mentioned patent comes control upper and lower tapered end to reciprocate through shutting hand wheel to accomplish the locking and the unblock of people's air defense door, and seal the people's air defense door through the upset of rotating sealed roof beam lift handle control upset roof beam, so, realized the problem that access & exit department does not have the threshold, but lock door and upset roof beam need go on through twice operation, and is comparatively loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a people's air defense door of access & exit no threshold realizes tapered end and upset roof beam and carries out synchro control's effect.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a people's air defense door that threshold is not had in access & exit, includes locking subassembly and seal assembly, the locking subassembly is including shutting the transmission shaft, seal assembly is including the seal beam elevating system transmission shaft, set up the synchronous drive subassembly between shutting transmission shaft and seal beam elevating system transmission shaft, the synchronous drive subassembly includes:

the reversing speed changer comprises an input end and an output end, and the output end is connected with the transmission shaft of the sealing beam lifting mechanism;

one end of the telescopic swinging rod is hinged to the locking transmission shaft, and the other end of the telescopic swinging rod is connected with the input end of the reversing speed changer.

According to the arrangement, when the door is locked, the locking rotating wheel is rotated to drive the locking transmission shaft to move, and the upper lock head and the lower lock head are respectively pushed out towards the upper end and the lower end, so that the locking of the civil air defense door is completed; meanwhile, the movement of the locking transmission shaft can drive the telescopic swing rod to swing, so that the input end of the reversing transmission is driven to rotate, the rotation of the input end can drive the transmission shaft of the sealing beam lifting mechanism at the output end to rotate, so that the overturning beam is driven to overturn downwards, and the unlocking is performed, otherwise.

More preferably: the locking transmission shaft is connected with a sliding block in a sliding mode, a positioning piece used for positioning the sliding block on the locking transmission shaft is arranged on the sliding block, and one end, far away from the reversing transmission, of the telescopic swing rod is hinged to the sliding block.

So set up, because the removal distance of shutting transmission shaft is fixed, and door leaf sealing member and the ground sealing member on the upset roof beam need paste tight butt with the door body and the ground of people's air defense door respectively just can, consequently, unable good control seal beam elevating system transmission shaft pivoted initial point when the design, so, the problem that can't realize pasting tightly or accomplish pasting tightly in advance appears easily, and can't realize pasting tightly and can cause the not good problem of leakproofness, and accomplish pasting tightly in advance and can lead to upper and lower lock head can't remove to best latched position, consequently, can adjust seal beam elevating system transmission shaft pivoted initial point through the setting of slider, so can effectively avoid the emergence of above-mentioned problem.

More preferably: the positioning piece is a locking bolt, and a threaded mounting hole matched with the locking bolt is formed in the sliding block.

With the arrangement, the movement and the fixation of the sliding block can be controlled by rotating the locking bolt, and when the end part of the locking bolt is tightly propped against the locking transmission shaft, the sliding block is fixed; when the end of the locking bolt is separated from the locking transmission shaft, the sliding block can slide.

More preferably: and one end of the locking bolt is provided with a handle.

So set up, be convenient for control locking bolt rotates.

More preferably: the reversing transmission comprises a shell and a bevel gear set arranged in the shell.

So set up, realize the switching-over operation, simultaneously, can be according to the required turned angle of the displacement of shutting transmission shaft and sealing beam elevating system transmission shaft, through the setting of drive ratio, realize that both can love and tend to mutually unified.

More preferably: the civil air defense door comprises an inner door plate and an outer door plate, and the locking assembly is arranged between the inner door plate and the outer door plate.

So set up, locate the locking subassembly between interior door plant and the outer door plant, can hide the locking subassembly, more add pleasing to the eye, and can play the protection effect to the locking subassembly, make it have longer life, the reliability is higher.

More preferably: the locking hand wheel on the locking component is exposed out of the inner door plate, and one end of the locking hand wheel penetrates through the inner door plate and is connected with the locking transmission shaft.

More preferably: and a sliding groove matched with the sliding block is arranged on the inner door plate in a penetrating manner.

So set up, firstly can provide the direction, secondly, convenient operation.

More preferably: the telescopic swinging rod comprises an outer rod and an inner rod, wherein one end of the inner rod is inserted into the outer rod.

So set up, make flexible swinging arms can be free flexible at the swing in-process, and simple structure.

More preferably: the outer rod and the inner rod are in clearance fit.

So set up, the dust is difficult for entering between outer pole and interior pole, and flexible in-process resistance can be less simultaneously.

To sum up, the utility model discloses following beneficial effect has:

1. the control of the lock head and the turnover beam can be simultaneously completed by controlling the locking arm hand wheel, and the operation is simple and convenient;

2. the arrangement of the sliding block can control and adjust the initial point of the rotation of the transmission shaft of the sealing beam lifting mechanism, the precision is not required to be very high during production, and the effects of reducing the production cost and improving the yield are achieved;

3. locate the locking subassembly and hide between interior door plant and the outer door plant, more add pleasing to the eye, and can play the protection effect to the locking subassembly, make transmission structure have longer life, the reliability is higher.

Drawings

FIG. 1 is an overall external view of the present embodiment;

FIG. 2 is a partial sectional view schematically showing the structure of the present embodiment;

fig. 3 is a schematic structural diagram of the synchronous drive assembly in the present embodiment.

In the figure, 100, a civil air defense door body; 110. an inner door panel; 111. a chute; 120. an outer door panel; 200. a locking assembly; 210. locking the hand wheel; 220. an upper lock head; 230. a lower lock head; 240. locking the transmission shaft; 300. a seal assembly; 310. a sealing beam lifting mechanism transmission shaft; 320. turning over the beam; 400. a synchronous drive assembly; 410. a reversing gear box; 411. a housing; 412. a bevel gear set; 420. a telescopic oscillating lever; 421. an outer rod; 422. an inner rod; 430. a slider; 431. locking the bolt; 432. a handle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Example 1: a civil air defense door without doorsills at an entrance and an exit is shown in figures 1 and 2 and comprises a civil air defense door body 100, a locking assembly 200 and a sealing assembly 300, wherein the civil air defense door body 100 comprises an inner door panel 110 and an outer door panel 120, the inner door panel 110 and the outer door panel 120 are spliced and fixed, the locking assembly 200 is arranged between the inner door panel 110 and the outer door panel 120, and the sealing assembly 300 is arranged on the end surface of the inner door panel 110.

Referring to fig. 2, the locking assembly 200 includes a locking handwheel 210, an upper lock head 220, a lower lock head 230 and a locking transmission shaft 240, wherein the locking handwheel 210 is exposed outside the inner door panel 110, and one end of the locking handwheel 210 penetrates through the inner door panel 110 and is connected to the locking transmission shaft 240, so that the locking transmission shaft 240 can be driven to move by rotating the locking handwheel 210 (the specific connection structure is prior art, and will not be described in this embodiment).

During the left and right movement of the locking transmission shaft 240, the upper lock head 220 and the lower lock head 230 synchronously perform the operation of extending out of the civil air defense door body 100 or retracting into the civil air defense door body 100 (here, the connection relationship between the upper lock head 220 and the lower lock head 230 and the locking transmission shaft 240 and how to implement the above operation are common knowledge to those skilled in the art, and therefore, the detailed description thereof is not provided in this embodiment).

As shown in fig. 1, the seal assembly 300 includes a seal beam lifting mechanism transmission shaft 310 and an overturning beam 320, and the overturning beam 320 can overturn along with the rotation of the seal beam lifting mechanism transmission shaft 310 (here, the connection relationship between the seal beam lifting mechanism transmission shaft 310 and the overturning and how to implement the overturning action are common knowledge to those skilled in the art, and therefore, the detailed description is not provided in this embodiment). A door leaf seal and a floor seal are provided on the turnover beam 320.

As shown in fig. 2 and 3, a synchronous transmission assembly 400 is disposed between the locking transmission shaft 240 and the sealing beam lifting mechanism transmission shaft 310, the synchronous transmission assembly 400 includes a reversing transmission 410, a telescopic swing rod 420 and a sliding block 430, and the sliding block 430 is slidably connected to the locking transmission shaft 240, in this embodiment, the sliding block 430 is connected to the locking transmission shaft 240 in an inserting manner, so that the sliding block 430 can slidably move on the locking transmission shaft 240.

The sliding block 430 is provided with a positioning member for positioning the sliding block 430 on the locking transmission shaft 240, the positioning member is a locking bolt 431 in this embodiment, and a handle 432 is fixedly installed at one end of the locking bolt 431. The sliding block 430 is provided with a threaded mounting hole matched with the locking bolt 431, the movement and fixation of the sliding block 430 can be controlled by rotating the locking bolt 431, and when the end part of the locking bolt 431 is tightly propped against the locking transmission shaft 240, the sliding block 430 is fixed; when the end of the locking bolt 431 is separated from the locking transmission shaft 240, the slider 430 can slide.

Referring to fig. 1, the reversing transmission 410 includes a housing 411 and a bevel gear set 412, the bevel gear set 412 is installed in the housing 411, wherein two bevel gears of the bevel gear set 412 are formed with an input end and an output end on the housing 411, and the output end is fixedly connected with the seal beam lifting mechanism transmission shaft 310.

The telescopic swing rod 420 comprises an outer rod 421 and an inner rod 422, one end of the outer rod 421 is hinged to the sliding block 430, the other end of the outer rod is provided with a jack, one end of the inner rod 422 is inserted into the jack of the outer rod 421, and the other end of the inner rod is fixedly connected with the input end.

Wherein, the outer rod 421 is in clearance fit with the inner rod 422.

Referring to fig. 1, a sliding slot 111 engaged with the sliding block 430 is formed through the inner door panel 110, and the length of the sliding slot 111 is greater than that of the sliding block 430, so that the sliding block 430 can slide on the sliding slot 111.

The working principle is as follows:

after the installation of the civil air defense door is completed, if one of the locking effect and the sealing effect has deviation, the sliding block 430 can be unlocked by rotating the locking bolt 431, and the sliding block 430 is adjusted at the moment, so that the transmission shaft 310 of the sealing beam lifting mechanism can be driven to rotate, the initial point of the transmission shaft is changed, and the sliding block 430 is moved to a proper position according to the actual condition to complete the synchronization of locking and sealing.

After the adjustment is completed and the door needs to be locked, the locking transmission shaft 240 is driven to move by rotating the locking rotating wheel, the upper lock head 220 and the lower lock head 230 are respectively pushed out to the upper end and the lower end, and the locking of the civil air defense door is completed; meanwhile, the movement of the locking transmission shaft 240 drives the telescopic swing rod 420 to swing, so as to drive the input end of the reversing speed changer 410 to rotate, and the rotation of the input end drives the sealing beam lifting mechanism transmission shaft 310 of the output end to rotate, so as to drive the turnover beam 320 to turn downwards, and vice versa during unlocking.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the present invention.

Claims

1. The utility model provides a doorway does not have people's air defense door of threshold, includes locking subassembly (200) and seal assembly (300), locking subassembly (200) are including shutting transmission shaft (240), seal assembly (300) are including sealed roof beam elevating system transmission shaft (310), characterized by: set up synchronous drive subassembly (400) between shutting transmission shaft (240) and sealing beam elevating system transmission shaft (310), synchronous drive subassembly (400) includes:

the reversing speed changer (410) comprises an input end and an output end, and the output end is connected with the sealing beam lifting mechanism transmission shaft (310);

one end of the telescopic swinging rod (420) is hinged to the locking transmission shaft (240), and the other end of the telescopic swinging rod is connected with the input end of the reversing speed changer (410);

the locking transmission shaft (240) is connected with a sliding block (430) in a sliding mode, a positioning piece used for positioning the sliding block (430) on the locking transmission shaft (240) is arranged on the sliding block (430), and one end, far away from the reversing speed changer (410), of the telescopic swinging rod (420) is hinged to the sliding block (430).

2. The doorway sill-free personnel door of claim 1 wherein: the positioning piece is a locking bolt (431), and a threaded mounting hole matched with the locking bolt (431) is formed in the sliding block (430).

3. The doorway sill-free personnel door of claim 2 wherein: one end of the locking bolt (431) is provided with a handle (432).

4. The doorway sill-free personnel door of claim 1 wherein: the reversing transmission (410) comprises a housing (411) and a bevel gear set (412) arranged in the housing (411).

5. The doorway sill-free personnel door of claim 1 wherein: the civil air defense door comprises an inner door panel (110) and an outer door panel (120), and the locking assembly (200) is arranged between the inner door panel (110) and the outer door panel (120).

6. The doorway sill-free personnel door of claim 5 wherein: the locking hand wheel (210) on the locking component (200) is exposed out of the inner door panel (110), and one end of the locking hand wheel penetrates through the inner door panel (110) and is connected with the locking transmission shaft (240).

7. The doorway sill-free personnel door of claim 6 wherein: the inner door panel (110) is provided with a sliding groove (111) matched with the sliding block (430) in a penetrating way.

8. The doorway sill-free personnel door of claim 1 wherein: the telescopic swing rod (420) comprises an outer rod (421) and an inner rod (422) with one end inserted into the outer rod (421).

9. The doorway sill-free personnel door of claim 8 wherein: the outer rod (421) is in clearance fit with the inner rod (422).