CN213868260U

CN213868260U - People's air defense basement access & exit structure

Info

Publication number: CN213868260U
Application number: CN202022033320.0U
Authority: CN
Inventors: 王珊珊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-08-03
Anticipated expiration: 2030-09-16

Abstract

The application discloses people's air defense basement access & exit structure, the access passage comprises a passage, people's air defense door is installed to the passageway tip, the left end of people's air defense door is provided with stop gear, stop gear includes two slide rails of longitudinal symmetry distribution, rotate in the slide rail and install the screw rod, screw rod periphery cover is equipped with the slider, slider slidable mounting is in the slide rail, the one end that people's air defense door center was kept away from to the slider is connected with the limiting plate, the left earth's surface department of people's air defense door sets up the recess corresponding with the limiting plate, be provided with buffer gear in the recess, people's air defense door left side top is provided with the closing plate corresponding with the limiting plate, the utility model discloses a limiting plate that can go up and down has replaced traditional threshold structure, has avoided the interference of threshold to business turn over activity, can guarantee spacing and sealing performance after people's air defense door closes again.

Description

People's air defense basement access & exit structure

Technical Field

The utility model relates to a people's air defense facility field especially relates to a people's air defense basement access & exit structure.

Background

People's air defense is also called civil defense, which is an international common word and is an activity that governments mobilize and organize the masses, take measures of air attack prevention, disaster resistance and relief, implement rescue actions and prevent and reduce disaster harm. The civil air defense door is one kind of equipment in the civil air defense facility, belongs to one kind of civil air defense protective equipment, plays important effect in all kinds of civil air defense engineering, and civil air defense door can all be installed at the entrance and exit of civil air defense basement generally. At present, the doorsill is correspondingly arranged at the position of the civil air defense door, but the doorsill can interfere the access of pedestrians and vehicles, so that inconvenience is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a people's air defense basement access & exit structure 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 people's air defense basement access & exit structure, includes the passageway, people's air defense door is installed to the passageway tip, the left end of people's air defense door is provided with stop gear, stop gear includes two slide rails that longitudinal symmetry distributes, rotate in the slide rail and install the screw rod, screw rod periphery cover is equipped with the slider, slider slidable mounting is in the slide rail, the one end that people's air defense door center was kept away from to the slider is connected with the limiting plate, the left earth's surface department of people's air defense door sets up the recess corresponding with the limiting plate, be provided with buffer gear in the recess, people's air defense door left side top is provided with the closing plate corresponding with the limiting plate.

Optionally, a sealing groove is formed in the bottom end face of the sealing plate, a first sealing gasket is bonded to the surface of the inner side wall of the sealing groove, and a sealing layer covers the surface of the outer side wall of the limiting plate.

Optionally, the people's air defense door left end rotates and installs the dwang, the hand wheel is installed to the left end of dwang, the fixed cover in dwang periphery is equipped with first bevel gear, and the slide rail that all runs through to the outside is extended to two upper and lower screw rods one end relative to each other to fixed mounting has second bevel gear, first bevel gear is connected with second bevel gear meshing.

Optionally, the limiting plate is provided with a plurality of sliding blocks towards the one end of dwang, the left end of people's air defense door is provided with a plurality of sliding trays, sliding block slidable mounting is in the sliding tray.

Optionally, buffer gear includes the mounting groove, the mounting groove is seted up in the recess bottom, slidable mounting has the roof in the recess, be connected with a plurality of evenly distributed's reset spring between roof and the inside bottom of mounting groove.

Optionally, a plurality of limiting sliding blocks are arranged on the side wall of the top plate, and limiting sliding grooves corresponding to the limiting sliding blocks are formed in the surface of the inner side wall of the groove.

Optionally, a plurality of sponge cushion blocks which are symmetrically distributed front and back are arranged at the bottom end of the top plate, and sponge seats corresponding to the sponge cushion blocks are arranged at the bottom end of the inner portion of the groove.

Optionally, the roof bottom is connected with first piston rod, the inside bottom mounting of mounting groove has first sleeve, the bottom of first piston rod extends to inside the first sleeve to be connected with first piston, first piston slidable mounting is in first sleeve, it has a certain amount of hydraulic oil to fill in the first sleeve, first sleeve periphery is provided with a plurality of second sleeves, be connected through the hose between first sleeve and the second sleeve, slidable mounting has the second piston in the second sleeve, second piston top is provided with the second piston rod, the top of second piston rod extends to second sleeve top and fixedly connected with backup pad.

Optionally, a buffer pad is bonded to the upper end surface of the support plate.

Optionally, the upper end surface of the top plate is covered with a second sealing gasket.

Compared with the prior art, the beneficial effects of the utility model are that: after the civil air defense door is closed, the hand wheel is rotated, the bevel gear is utilized to drive the screw rod to rotate, so that the upper limiting plate and the lower limiting plate are driven to synchronously move towards the directions away from each other, the upper limiting plate is clamped in the sealing plate, the lower limiting plate is clamped in the groove, and the limiting and sealing effects on the civil air defense door similar to a threshold are formed; after the limiting plate is clamped into the sealing groove, the sealing layer on the surface of the limiting plate extrudes the first sealing gasket, so that the sealing effect is achieved; after the limiting plate is tightly pressed on the top plate, the sealing layer and the second sealing gasket are mutually extruded to form a sealing effect; when the limiting plate is retracted and the civil air defense door is opened, the top plate rises upwards under the elastic force of the return spring, so that the ground is filled, and the groove is prevented from interfering normal entrance and exit of pedestrians; the limiting sliding block is matched with the limiting sliding groove, so that the top plate can be prevented from moving excessively; after the top plate is extruded by the limiting plate and descends, the sponge cushion block and the sponge seat play a role in buffering, the top plate is prevented from directly colliding with the inner wall of the groove, and abrasion is reduced; in the process that the top plate is extruded by the limiting plate and descends, the first piston rod extrudes the first piston to descend, hydraulic oil in the first sleeve is pressed into the second sleeve, the supporting plate is pushed to ascend, finally, the hydraulic oil in the first sleeve and the hydraulic oil in the second sleeve are uniformly distributed, the supporting effect is formed on the top plate by the aid of the multiple groups of supporting plates, and the hydraulic oil and the reset spring can play a role in buffering and damping in the process. The utility model discloses a limiting plate that can go up and down has replaced traditional threshold structure, has avoided the threshold to the interference of business turn over activity, can guarantee spacing and sealing performance after the people's air defense door closes again.

Description of the drawings:

FIG. 1 is a schematic structural view of a civil air defense basement entrance structure;

FIG. 2 is a left side view of a limiting mechanism in a civil air defense basement entrance structure;

FIG. 3 is a front view of a limiting mechanism in a civil air defense basement entrance and exit structure;

fig. 4 is a schematic structural diagram of a buffering mechanism in a civil air defense basement entrance structure.

In the figure: 1. civil air defense door, 2, dwang, 3, hand wheel, 4, first bevel gear, 5, slide rail, 6, screw rod, 7, second bevel gear, 8, limiting plate, 9, slider, 10, closing plate, 11, recess, 12, mounting groove, 13, reset spring, 14, roof, 15, limiting slide block, 16, sponge cushion, 17, sponge seat, 18, first sleeve, 19, first piston rod, 20, second sleeve, 21, second piston, 22, backup pad.

The specific implementation mode is as follows:

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

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a people's air defense basement access & exit structure, includes the passageway, people's air defense door 1 is installed to the passageway tip, the left end of people's air defense door 1 is provided with stop gear, stop gear includes two slide rails 5 that longitudinal symmetry distributes, rotate in the slide rail 5 and install

screw rod

6, 6 periphery covers of screw rod are equipped with slider 9, slider 9 slidable mounting is in slide rail 5, the one end that people's air defense door 1 center was kept away from to slider 9 is connected with limiting plate 8, the left earth's surface department of people's air defense door 1 has seted up recess 11 corresponding with limiting plate 8, be provided with buffer gear in the

recess

11, 1 left side top of people's air defense door is provided with the closing plate 10 corresponding with limiting plate 8.

The bottom end face of closing plate 10 has seted up the seal groove, the inside wall surface bonding of seal groove has first sealed the pad, the lateral wall surface covering of limiting plate 8 has the sealing layer, and after limiting plate 8 blocked in the seal groove, the first sealed pad of sealing layer extrusion on its surface to play sealed effect.

1 left end of people's air defense door rotates and installs dwang 2, hand wheel 3 is installed to the left end of dwang 2, the fixed cover in dwang 2 periphery is equipped with first bevel gear 4, and the one end that two screw rods 6 are relative each other all runs through slide rail 5 and extends to the outside to fixed mounting has second bevel gear 7, first bevel gear 4 is connected with the meshing of second bevel gear 7, and people's air defense door 1 is closing the back, through rotatory hand wheel 3, utilizes bevel gear to drive screw rod 6 rotatory to two limiting plate 8 are to the direction synchronous motion of keeping away from each other about the drive, and the limiting plate 8 card of top is gone into in closing plate 10, and the limiting plate 8 of below then card is gone into in recess 11, forms the spacing and the sealed effect of people's air defense door of similar threshold.

Limiting plate 8 is provided with a plurality of sliding blocks towards the one end of dwang 2, the left end of people's air defense door 1 is provided with a plurality of sliding trays, sliding block slidable mounting is in the sliding tray.

Buffer gear includes mounting groove 12, mounting groove 12 is seted up in recess 11 bottom, slidable mounting has roof 14 in the recess 11, be connected with a plurality of evenly distributed's reset spring 13 between roof 14 and the inside bottom of mounting groove 12, pack up when limiting plate 8, when people's air defense door 1 is opened, roof 14 rises upwards under reset spring 13's elasticity to fill and level up ground, avoid recess 11 to disturb normal pedestrian's business turn over.

Be provided with a plurality of spacing sliders 15 on the lateral wall of roof 14, the inside wall surface of recess 11 is seted up with the corresponding spacing spout of spacing slider 15, and the cooperation of spacing slider 15 and spacing spout can avoid roof 14 to remove excessively.

The bottom end of the top plate 14 is provided with a plurality of sponge cushion blocks 16 which are symmetrically distributed front and back, the bottom end of the inner portion of the groove 11 is provided with a sponge seat 17 corresponding to the sponge cushion blocks 16, the top plate 14 is extruded by the limiting plate 8 and descends, the sponge cushion blocks 16 and the sponge seat 17 play a role in buffering, the top plate 14 is prevented from directly colliding with the inner wall of the groove 11, and abrasion is reduced.

The bottom end of the top plate 14 is connected with a first piston rod 19, the bottom end inside the mounting groove 12 is fixed with a first sleeve 18, the bottom end of the first piston rod 19 extends into the first sleeve 18 and is connected with a first piston, the first piston is slidably mounted in the first sleeve 18, a certain amount of hydraulic oil is filled in the first sleeve 18, a plurality of second sleeves 20 are arranged on the periphery of the first sleeve 18, the first sleeve 18 is connected with the second sleeves 20 through a hose, a second piston 21 is slidably mounted in the second sleeve 20, a second piston rod is arranged at the top end of the second piston 21, the top end of the second piston rod extends to the upper portion of the second sleeve 20 and is fixedly connected with a hydraulic oil supporting plate 22, in the process that the top plate 14 is extruded by the limiting plate 8 and descends, the first piston rod 19 extrudes the first piston to descend, and the first sleeve 18 is pressed into the second sleeve 20, the supporting plates 22 are jacked to ascend, finally, the hydraulic oil in the first sleeve 18 and the second sleeve 20 is uniformly distributed, the multiple groups of supporting plates 22 form a supporting effect on the top plate 14, and the hydraulic oil and the return springs can play a role in buffering and damping in the process; after the limit plate 8 is lifted, the top plate 14 is lifted under the elastic force of the return spring, and the weight of the support plate 22 presses the second piston 21 to descend, so that the hydraulic oil flows back into the first sleeve 18 again.

A buffer pad is adhered to the upper end surface of the support plate 22.

The upper end face of roof 14 covers there is the second sealed pad, and after limiting plate 8 compressed tightly on roof 14, the sealing layer extrudeed each other with the second sealed pad, forms sealed effect.

The above only is the preferred embodiment of the present invention, not therefore the limit the patent protection scope of the present invention, all applications the equivalent structure transformation made by the contents of the specification and the drawings of the present invention is directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. The utility model provides a people's air defense basement access & exit structure, includes the passageway, its characterized in that: the civil air defense door is characterized in that a civil air defense door (1) is installed at the end part of the channel, a limiting mechanism is arranged at the left end of the civil air defense door (1), the limiting mechanism comprises two sliding rails (5) which are symmetrically distributed up and down, a screw rod (6) is installed in each sliding rail (5) in a rotating mode, a sliding block (9) is sleeved on the periphery of each screw rod (6), each sliding block (9) is installed in each sliding rail (5) in a sliding mode, one end, far away from the center of the civil air defense door (1), of each sliding block (9) is connected with a limiting plate (8), a groove (11) corresponding to each limiting plate (8) is formed in the ground surface of the left side of the civil air defense door (1), a buffering mechanism is arranged in each groove (11), and a sealing plate (10) corresponding to each limiting plate (8) is arranged above the left side of the civil air defense door (1);

the left end of the civil air defense door (1) is rotatably provided with a rotating rod (2), the left end of the rotating rod (2) is provided with a hand wheel (3), the periphery of the rotating rod (2) is fixedly sleeved with a first bevel gear (4), one ends of an upper screw rod and a lower screw rod (6), which are opposite to each other, extend to the outside through a sliding rail (5), and are fixedly provided with a second bevel gear (7), and the first bevel gear (4) is meshed with the second bevel gear (7);

limiting plate (8) are provided with a plurality of sliding blocks towards the one end of dwang (2), the left end of people's air defense door (1) is provided with a plurality of sliding tray, sliding block slidable mounting is in the sliding tray.

2. The civil air defense basement access structure of claim 1, wherein: the sealing plate is characterized in that a sealing groove is formed in the bottom end face of the sealing plate (10), a first sealing gasket is bonded to the surface of the inner side wall of the sealing groove, and a sealing layer covers the surface of the outer side wall of the limiting plate (8).

3. The civil air defense basement access structure of claim 2, wherein: buffer gear includes mounting groove (12), set up in recess (11) bottom mounting groove (12), slidable mounting has roof (14) in recess (11), be connected with a plurality of evenly distributed's reset spring (13) between roof (14) and the inside bottom of mounting groove (12).

4. The civil air defense basement access structure of claim 3, wherein: a plurality of limiting sliding blocks (15) are arranged on the side wall of the top plate (14), and limiting sliding grooves corresponding to the limiting sliding blocks (15) are formed in the surface of the inner side wall of the groove (11).

5. The civil air defense basement access structure of claim 4, wherein: the bottom end of the top plate (14) is provided with a plurality of sponge cushion blocks (16) which are symmetrically distributed front and back, and the bottom end of the inner part of the groove (11) is provided with a sponge seat (17) corresponding to the sponge cushion blocks (16).

6. The civil air defense basement access structure of claim 5, wherein: roof (14) bottom is connected with first piston rod (19), the inside bottom mounting of mounting groove (12) has first sleeve (18), the bottom of first piston rod (19) extends to inside first sleeve (18) to be connected with first piston, first piston slidable mounting is in first sleeve (18), it has a certain amount of hydraulic oil to fill in first sleeve (18), first sleeve (18) periphery is provided with a plurality of second sleeve (20), be connected through the hose between first sleeve (18) and second sleeve (20), slidable mounting has second piston (21) in second sleeve (20), second piston (21) top is provided with the second piston rod, the top of second piston rod extends to second sleeve (20) top and fixedly connected with backup pad (22).

7. The civil air defense basement access structure of claim 6, wherein: the upper end face of the supporting plate (22) is bonded with a buffer pad.

8. The civil air defense basement access structure of claim 7, wherein: the upper end face of the top plate (14) is covered with a second sealing gasket.