Civil air defense engineering door

Abstract

The utility model provides a civil air defense construction door which comprises a door leaf arranged in a rotatable mode and a push-pull mechanism used for pulling the door leaf, and the push-pull mechanism comprises an adjusting rail piece fixedly installed on a wall body, a sliding seat adjustably arranged on the adjusting rail piece and a pull rod installed on the sliding seat in a rotatable mode. The side, away from the sliding base, of the pull rod is rotationally installed on a support, and the support is fixedly arranged on the door leaf. According to the device, the door leaf is rotationally connected with the sliding seat through the pull rod, when the door leaf is opened, the sliding seat can gradually move forwards, the second clamping teeth elastically move and are sequentially clamped with the first clamping teeth in a matched mode, so that the sliding seat is prevented from moving backwards, the stability of the door leaf in the opening state is guaranteed, movement caused by collision or airflow driving is avoided, and it is guaranteed that people go out conveniently. The door leaf can be parallel to the wall body in the open state, in the forward moving process of the sliding base, the hand rod can be gradually pushed to stretch out of the inner groove space between the door leaf and the wall body, and personnel can conveniently pull the door leaf.

Description

TECHNICAL FIELD

[0001] The utility model relates to a civil air defence door technical field, concretely is a civil air defence engineering door. BACKGROUND

[0002] The civil air defence engineering is civil air defence protection equipment for preventing and reducing disaster damage, and the civil air defence engineering door generally adopts relatively thick metal door, and is generally in the open state in daily life to facilitate personnel travel, but the civil air defence engineering door is influenced by personnel collision or air flow, and is easy to shake, blocks personnel travel, and brings inconvenience to personnel. UTILITY MODEL CONTENTS

[0003] The utility model solves the technical problem to provide a civil air defence engineering door of door open state stability and convenient quick door closing to facilitate personnel travel and can quickly close the door when coping with disaster.

[0004] The utility model solves the technical problem to adopt the following technical scheme to realize: a civil air defence engineering door, including rotatable door leaf and the push -pull mechanism for pulling the door leaf, the push -pull mechanism includes the adjusting rail piece of fixed installation on the wall body and the slide seat of adjustable setting on the adjusting rail piece, the pull rod is rotatably installed on the support on the side away from the slide seat, and the support is fixedly arranged on the door leaf;

[0005] The adjusting rail piece includes the slide rail and the rack plate integrally arranged on the outer end surface of the slide rail, the outer end surface of the slide rail is located on one side of the rack plate and is provided with the elastic pressing piece for pushing the slide seat to elastically move, the slide seat is provided with the clamping piece matched and clamped with the rack plate, and the slide seat is provided with the pull rod member for releasing the clamping state of the clamping piece and the rack plate.

[0006] As a further scheme of the utility model:

[0007] Two groups of rod blocks are arranged side by side on one side of the slide seat, the pull rod is rotatably installed in the clamping groove between the two groups of rod blocks through a pin shaft, the lower end of the slide seat is slidably installed on the slide rail, the slide groove for installing the elastic pressing piece and the rack plate is arranged between the outer end surface of the slide rail and the inner cavity wall of the slide seat, and the baffle for limiting the slide seat is arranged on the two sides of the slide rail.

[0008] As a further scheme of the utility model:

[0009] The elastic pressing piece includes the elastic rod installed on the baffle and the elastic pressing spring sleeved on the elastic rod, the slide seat is provided with the elastic block corresponding to the elastic rod, the elastic block is provided with the sliding hole corresponding to the elastic rod, and the outer end of the elastic rod is sleeved in the sliding hole through the sliding hole, one end of the elastic pressing spring is provided with the elastic pad, and the elastic pad is arranged on one side of the elastic block, so that the slide seat is elastically moved.

[0010] As a further scheme of the utility model:

[0011] The rack plate is provided with a plurality of first clamping teeth at intervals, the clamping piece comprises a clamping frame and a clamping plate elastically arranged on the clamping frame, the clamping plate is slidingly inserted into a corresponding plate groove of the sliding seat, the upper end of the clamping plate is provided with a clamping rod which is slidingly arranged in a corresponding sliding hole of the clamping piece, a return spring is arranged on the clamping rod between the clamping frame and the clamping plate, so that the clamping plate moves to one side of the rack plate, the clamping plate is provided with a second clamping tooth which is arranged in cooperation with the first clamping tooth, the second clamping tooth is inserted into a clamping groove between the first clamping teeth, so as to limit the backward sliding of the sliding seat; the opposite sides of the first clamping tooth and the second clamping tooth are provided with arc-shaped parts arranged in cooperation, when the sliding seat moves forward, the second clamping tooth is connected with the first clamping tooth through the arc-shaped parts, so as to push the second clamping tooth to move outward, thereby realizing forward movement.

[0012] As a further scheme of the utility model:

[0013] One side of the clamping frame is provided with a first limiting block, and the upper end of the clamping plate is provided with a second limiting block, so as to limit the amplitude of the movement of the clamping plate, and a waist-shaped pushing groove is formed in the middle part of the clamping plate, so as to be connected with the pulling and clamping member through the pushing groove.

[0014] As a further scheme of the utility model:

[0015] The pulling and clamping member comprises an inclined block arranged in cooperation with the clamping plate and a pulling plate arranged at the outer end of the inclined block, one side of the pulling plate is provided with a hand rod, so that personnel can pull the inclined block to move through the hand rod, the inclined block is inserted into the pushing groove, thereby lifting the clamping plate and releasing the clamping state of the second clamping tooth and the first clamping tooth.

[0016] As a further scheme of the utility model:

[0017] The upper end of the pushing groove of the clamping plate is provided with an arc-shaped chamfer, the upper end of the inclined block is provided with a positioning groove, the inclined block is inserted into the pushing groove, the positioning groove can be in abutment with the arc-shaped chamfer of the clamping plate, thereby fixing the clamping plate and avoiding the lowering of the clamping plate, when personnel push the hand rod, the inclined block and the clamping plate can be separated, and the clamping plate is re-inserted into the clamping groove of the rack plate under the action of the return spring.

[0018] As a further scheme of the utility model:

[0019] The clamping frame is provided with a guide hole corresponding to the hand rod, the guide hole and the hand rod are of a polygonal structure, so as to limit the rotation of the hand rod and improve the stability of the inclined block, and the outer end of the hand rod is provided with a handle, so as to facilitate the pulling of personnel.

[0020] Compared with the prior art, the device has the beneficial effects that: the door leaf in the device is rotationally connected with the slide base through the pull rod, the slide base can be gradually moved forward when the door leaf is opened, the second clamping tooth is elastically moved and sequentially matched and clamped with the first clamping tooth to prevent the slide base from moving backward, so that the stability of the door leaf in the opened state is ensured, and the personnel can conveniently travel without being moved by collision or airflow. The door leaf in the opened state is parallel to the wall body, the hand lever is gradually pushed out of the inner groove space between the door leaf and the wall body in the process of moving the slide base forward, and the personnel can be conveniently pulled. When the door leaf is closed, the elastic spring pushes the door leaf to move, which is helpful to quickly close the door leaf. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 It is an installation structure schematic view of the utility model;

[0022] Fig. 2 It is a push-pull mechanism structure schematic view of the utility model;

[0023] Fig. 3 It is a push-pull mechanism local section view structure schematic view of the utility model;

[0024] Fig. 4 It is Fig. 3 It is an enlarged structure schematic view of A in the middle;

[0025] Identified in the figure: 1, door leaf; 2, slide base; 3, slide rail; 4, elastic rod; 5, clamping frame; 6, inclined block; 11, pull rod; 12, support; 21, lever block; 31, rack plate; 32, baffle; 33, first clamping tooth; 41, elastic spring; 42, elastic pad; 43, elastic block; 51, clamping plate; 52, clamping rod; 53, reset spring; 54, second clamping tooth; 55, arc-shaped part; 56, first limiting block; 57, second limiting block; 58, pushing groove; 61, pull plate; 62, hand lever; 63, positioning groove; 64, handle. DETAILED DESCRIPTION

[0026] In order to make the implementation technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific drawings.

[0027] As Figs. 1-4 shown,

[0028] The embodiment provides a civil air defense engineering door, which comprises a rotatable door leaf 1 and a push-pull mechanism for pulling the door leaf 1, the push-pull mechanism comprises an adjusting track piece fixedly installed on a wall body and a slide base 2 adjustably arranged on the adjusting track piece, and a pull rod 11 rotationally installed on the slide base 2, wherein one side of the pull rod 11 away from the slide base 2 is rotationally installed on a support 12, and the support 12 is fixedly arranged on the door leaf 1.

[0029] The adjusting track component includes a slide rail 3 and a rack plate 31 integrally disposed on the outer end face of the slide rail 3. A spring-loaded component is installed on the outer end face of the slide rail 3 on one side of the rack plate 31 to push the slide seat 2 to move elastically. The slide seat 2 is provided with a snap-fit ​​component that engages with the rack plate 31. A pull handle is provided on one side of the slide seat 2 to release the snap-fit ​​component from the rack plate 31.

[0030] In this embodiment, two sets of rod blocks 21 are arranged side by side on one side of the slide block 2. The pull rod 11 is rotatably installed in the clamping groove between the two sets of rod blocks 21 through a pin shaft. The lower end of the slide block 2 is slidably installed on the slide rail 3. A slide groove for installing the spring pressure member and the rack plate 31 is provided between the outer end face of the slide rail 3 and the inner cavity wall of the slide block 2. Baffles 32 for limiting the slide block 2 are provided on both sides of the slide rail 3.

[0031] In this embodiment, the spring-loaded component includes a spring rod 4 mounted on the baffle 32 and a spring-loaded spring 41 sleeved on the spring rod 4. The slide block 2 is provided with a spring block 43 corresponding to the spring rod 4. The spring block 43 is provided with a sliding hole corresponding to the spring rod 4 and is sleeved on the outer end of the spring rod 4 through the sliding hole. One end of the spring-loaded spring 41 is provided with a spring pad 42, and the spring pad 42 abuts against one side of the spring block 43, thereby pushing the slide block 2 to move elastically.

[0032] In this embodiment, a plurality of first locking teeth 33 are spaced apart on the rack plate 31. The locking component includes a locking frame 5 and a locking plate 51 elastically disposed on the locking frame 5. The locking plate 51 is slidably inserted into the corresponding slot of the slide block 2. The upper end of the locking plate 51 is provided with a locking rod 52, which is slidably installed in the corresponding sliding hole. A return spring 53 sleeved on the locking rod 52 is provided between the locking frame 5 and the locking plate 51 to move the locking plate 51 toward the rack plate 31. The locking plate 51 is provided with a second locking tooth 54 corresponding to the first locking teeth 33 and is inserted into the slot between the first locking teeth 33 to restrict the slide block 2 from sliding backward. The opposing sides of the first locking teeth 33 and the second locking teeth 54 are provided with an arc-shaped part 55. When the slide block 2 moves forward, the second locking tooth 54 is connected to the first locking tooth 33 through the arc-shaped part 55 to push the second locking tooth 54 outward, thereby realizing forward movement.

[0033] The card holder 5 has a first limiting block 56 on one side and a second limiting block 57 on the upper end of the card plate 51 to limit the range of movement of the card plate 51. The card plate 51 has an waist-shaped push groove 58 in the middle to connect with the pull handle through the push groove 58.

[0034] In the embodiment, the pulling member comprises the slope block 6 matched with the clamping plate 51 and the pulling plate 61 arranged at the outer end of the slope block 6, one side of the pulling plate 61 is provided with the hand rod 62, so that the personnel can pull the slope block 6 to move through the hand rod 62, the slope block 6 is inserted into the pushing groove 58, thereby the clamping plate 51 is lifted to release the clamping state of the second clamping tooth 54 and the first clamping tooth 33.

[0035] The upper end of the pushing groove 58 of the clamping plate 51 is provided with an arc chamfer, the upper end of the slope block 6 is provided with the positioning groove 63, the slope block 6 is inserted into the pushing groove 58, the positioning groove 63 and the arc chamfer of the clamping plate 51 are in contact, thereby the clamping plate 51 is fixed to avoid the clamping plate 51 from descending, when the personnel pushes the hand rod 62, the slope block 6 and the clamping plate 51 can be separated, the clamping plate 51 is re-inserted into the clamping groove of the rack plate 31 under the action of the reset spring 53.

[0036] The clamping frame is provided with the guide hole corresponding to the hand rod 62, the guide hole and the hand rod 62 are polygonal structures, so as to limit the rotation of the pull rod 11 and improve the stability of the slope block 6, the outer end of the hand rod 62 is provided with the handle 64, so as to facilitate the personnel to pull.

[0037] The working principle of the utility model is as follows: the personnel opens the door leaf 1, the door leaf 1 pushes the sliding seat 2 to move forward through the pull rod 11, the second clamping tooth 54 and the first clamping tooth 33 are matched and arranged through the arc-shaped part 55, the second clamping tooth 54 is lifted in turn, the sliding seat 2 can move forward smoothly, the elastic spring 41 is arranged on the sliding seat 2, the reset spring 53 pushes the second clamping tooth 54 to be inserted into the clamping groove between the first clamping tooth 33, the flat back of the second clamping tooth 54 and the flat back of the first clamping tooth 33 are arranged opposite to each other, thereby the clamping state is realized, the sliding seat 2 is limited to move backward, and in the process that the sliding seat 2 moves forward, the hand rod 62 is driven to move forward to extend into the inner groove space between the door leaf 1 and the wall, so as to facilitate the personnel to pull. When the personnel needs to close the door leaf 1, the personnel holds the handle 64 to pull the hand rod 62, the hand rod 62 drives the slope block 6 to move through the clamping plate 51, the slope block 6 is inserted into the pushing groove 58 through the inclined end surface, thereby the clamping plate 51 is lifted gradually, the second clamping tooth 54 is separated from the first clamping tooth 33, the elastic spring 41 pushes the sliding seat 2 to move backward, the sliding seat 2 pushes the door leaf 1 to close, and the convenience of closing the door is improved. When the positioning groove 63 on the slope block 6 is in contact with the arc chamfer at the lower end of the clamping frame, the clamping plate 51 can be temporarily positioned, and the personnel does not need to hold the handle 64 all the time.

[0038] The door leaf 1 in the device is rotatably connected with the sliding seat 2 through the pull rod 11, when the door leaf 1 is opened, the sliding seat 2 can be moved forward step by step, the second clamping tooth 54 is elastically moved and is sequentially matched and clamped with the first clamping tooth 33, so that the sliding seat 2 is prevented from moving backward, thereby ensuring the stability of the door leaf 1 in the opened state and avoiding the movement caused by the collision or air flow, and the convenience of personnel travel is ensured. The door leaf 1 is parallel to the wall in the opened state, in the process of moving the sliding seat 2 forward, the hand lever 62 is gradually pushed to extend into the inner groove space between the door leaf 1 and the wall, and the personnel is facilitated to pull. When the door leaf 1 is closed, the elastic pressing spring 41 pushes the door leaf 1 to move, which is helpful for quickly closing the door leaf 1.

[0039] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by the person skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents. It should be noted that, in this document, if there are relationship terms such as first and second, they are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the term "comprises", "includes" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to the process, method, article or device. Without more limitations, the element defined by the statement "comprises a" does not exclude the presence of another identical element in the process, method, article or device including the element.

Claims

1. A type of door for civil defense engineering, characterized in that: The device includes a rotatable door leaf and a push-pull mechanism for pulling the door leaf. The push-pull mechanism includes an adjustable track fixedly installed on the wall, an adjustable slide mounted on the adjustable track, and a pull rod rotatably installed on the slide. The side of the pull rod away from the slide is rotatably installed on a support, and the support is fixedly installed on the door leaf. The adjusting track component includes a slide rail and a rack plate integrally disposed on the outer end face of the slide rail. A spring-loaded component is installed on the outer end face of the slide rail on one side of the rack plate to push the slide seat to move elastically. The slide seat is provided with a locking component that engages with the rack plate. A pull handle is provided on one side of the slide seat to release the locking component from the rack plate.

2. The civil defense engineering door according to claim 1, characterized in that: Two sets of rod blocks are arranged side by side on one side of the slide block. The pull rod is rotatably installed in the clamping groove between the two sets of rod blocks through a pin shaft. The lower end of the slide block is slidably installed on the slide rail. A slide groove for installing the spring pressure component and the rack plate is provided between the outer end face of the slide rail and the inner cavity wall of the slide block. Baffles for limiting the position of the slide block are provided on both sides of the slide rail.

3. A civil defense engineering door according to claim 2, characterized in that: The spring-loaded component includes a spring rod mounted on a baffle and a spring-loaded spring sleeved on the spring rod. The slide block is provided with a spring block corresponding to the spring rod, and the spring block is provided with a sliding hole corresponding to the spring rod. The spring block is sleeved on the outer end of the spring rod through the sliding hole. One end of the spring-loaded spring is provided with a spring washer, and the spring washer abuts against one side of the spring block.

4. A civil defense engineering door according to claim 2, characterized in that: The rack plate is provided with a plurality of first locking teeth spaced apart. The locking component includes a locking frame and a locking plate elastically disposed on the locking frame. The locking plate is slidably inserted into the slot corresponding to the slide block. The upper end of the locking plate is provided with a locking rod, which is slidably installed in the corresponding sliding hole. A return spring sleeved on the locking rod is provided between the locking frame and the locking plate to move the locking plate toward the rack plate. The locking plate is provided with a second locking tooth corresponding to the first locking teeth and is provided with a matching second locking tooth. The second locking tooth is inserted into the slot between the first locking teeth to restrict the slide block from sliding backward. The opposing sides of the first locking tooth and the second locking tooth are provided with matching arc-shaped portions.

5. A civil defense engineering door according to claim 4, characterized in that: The card holder has a first limiting block on one side and a second limiting block on the upper end of the card plate to limit the range of movement of the card plate. The card plate has an waist-shaped push groove in the middle to connect with the pull handle through the push groove.

6. A civil defense engineering door according to claim 5, characterized in that: The pull handle includes a ramp block that cooperates with the locking plate and a pull plate located at the outer end of the ramp block. A handle is provided on one side of the pull plate so that a person can pull the ramp block to move it, so that the ramp block is inserted into the push groove, thereby lifting the locking plate and releasing the locking state between the second locking tooth and the first locking tooth.

7. A civil defense engineering door according to claim 6, characterized in that: The upper end of the push groove of the card plate is provided with an arc-shaped chamfer, and the upper end of the ramp block is provided with a positioning groove. The ramp block is inserted into the push groove, and the positioning groove and the arc-shaped chamfer of the card plate can be used to abut against each other, thereby fixing the card plate.

8. A civil defense engineering door according to claim 6, characterized in that: The card holder has a guide hole corresponding to the handle. The guide hole and the handle are polygonal in structure, and the outer end of the handle has a handle.

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