Civil air defense door with dustproof doorsill

Abstract

The utility model relates to the technical field of civil air defense doors, in particular to a civil air defense door with a dust-proof doorsill, which can not influence the smoothness of entering and exiting in ordinary days, effectively avoid dust accumulation on the doorsill, improve the dust-proof performance of the doorsill, and avoid influence on the sealing when a door body is closed in wartime. Comprising a civil air defense door frame, a civil air defense door body is rotatably installed at the front end of the civil air defense door frame, a connector is integrally and fixedly arranged at the left end of a threshold, a storage groove is formed in the inner wall of the left side of the civil air defense door frame, the lower end of the storage groove extends to the bottom end of the civil air defense door frame, and two sets of supports are fixedly connected to the bottom end of the storage groove; the L-shaped inserting block is slidably installed in the sliding groove through cooperation with the opening, multiple sets of springs are fixedly connected between the left end of the L-shaped inserting block and the left end of the sliding groove, a horizontal inserting groove matched with the L-shaped inserting block is formed in the lower portion of the inner wall of the right side of the civil air defense door frame, the L-shaped inserting block is inserted in the horizontal inserting groove, and a vertical inserting groove matched with the L-shaped inserting block is formed in the top end of the containing groove.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of civil air defense door, in particular to a civil air defense door with dustproof door sill. BACKGROUND

[0002] Civil air defense door, i.e. people's air defense engineering protective door, is a protective facility specially designed to ensure the safety of personnel in wartime, and the door sill, as a part of the civil air defense door, is designed to seal the door body.

[0003] In most cases, the door sill of the civil air defense door is fixed at the bottom of the door frame, and during use, the smoothness of entry and exit is affected due to the obstruction of the door sill. The dustproof performance of the door sill is poor, and dust is easily accumulated on the door sill, which affects the sealing performance of the door body when it is closed. UTILITY MODEL CONTENTS

[0004] To solve the above technical problems, the utility model provides a civil air defense door with dustproof door sill, which can not affect the smoothness of entry and exit in daily life, effectively prevent dust from accumulating on the door sill, improve the dustproof performance of the door sill, and avoid affecting the sealing of the door body when it is closed in wartime.

[0005] TECHNICAL SCHEME

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a civil air defense door with dustproof door sill, comprising a civil air defense door frame, a door sill assembly and a positioning assembly, the front end of the civil air defense door frame is rotatably installed with a civil air defense door body, the door sill assembly comprises a door sill, a connecting head is integrally fixed at the left end of the door sill, a storage groove is provided on the left side inner wall of the civil air defense door frame, the lower end of the storage groove extends to the bottom end of the civil air defense door frame, two groups of supports are fixedly connected at the bottom end of the storage groove, the supports are integrally formed with the civil air defense door frame, the door sill is rotatably installed at the inner bottom of the civil air defense door frame through the cooperation of the connecting head and the supports, the bottom end of the door sill is aligned with the bottom end of the civil air defense door frame, the front and rear ends of the door sill are aligned with the front and rear ends of the civil air defense door frame, the positioning assembly comprises an L-shaped plug, a sliding groove is provided at the right side of the top end of the door sill, an opening is provided at the right end of the door sill in communication with the sliding groove, the L-shaped plug is slidably installed in the sliding groove through the cooperation with the opening, a plurality of springs are fixedly connected between the left end of the L-shaped plug and the left end of the sliding groove, a horizontal insertion groove is provided on the right side inner wall of the civil air defense door frame below and matched with the L-shaped plug, the L-shaped plug is inserted into the horizontal insertion groove, and a vertical insertion groove is provided at the top end of the storage groove and matched with the L-shaped plug.

[0007] Preferably, a hand buckle groove is provided on the L-shaped plug.

[0008] Preferably, a back-shaped sealing rubber strip is fixedly connected around the inner side of the civil air defense door body.

[0009] Preferably, the left and right ends of the door sill are provided with rounded corners.

[0010] Preferably, the L-shaped plug block is provided with a chamfer at the right end edge.

[0011] Compared with the prior art, the utility model has the advantages that: when using, through the cooperation of the L-shaped plug block and the horizontal slot, the door sill is kept horizontally placed, when lifting the door sill, the L-shaped plug block is pulled to the left, the spring is compressed, the L-shaped plug block is separated from the horizontal slot, then the door sill is turned to be vertical, the door sill is placed into the storage groove, the L-shaped plug block is aligned with the vertical slot, the L-shaped plug block is inserted into the vertical slot through the spring rebounding, the door sill is kept in the vertical state, through rotatably installing the door sill at the bottom of the civil air defense door frame, the door sill can be placed horizontally in wartime, the door sill can be lifted to be vertical in peacetime, after lifting the door sill and placing it into the storage groove, the smoothness of entering and exiting is not affected, dust accumulated on the door sill can be effectively avoided, the dust resistance of the door sill is improved, and the influence on the sealing when closing the door body is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is the axonometric structure schematic diagram of the utility model;

[0013] Figure 2 is the left view axonometric structure schematic diagram of the civil air defense door frame in the utility model;

[0014] Figure 3 is the bottom axonometric structure schematic diagram of the civil air defense door frame in the utility model;

[0015] Figure 4 is the partial axonometric structure schematic diagram of the utility model;

[0016] Figure 5 is the axonometric structure schematic diagram of the L-shaped plug block in the utility model;

[0017] Marked in the drawing: 1, civil air defense door frame; 2, civil air defense door body; 3, door sill; 4, connecting head; 5, storage groove; 6, support; 7, L-shaped plug block; 8, sliding slot; 9, spring; 10, horizontal slot; 11, vertical slot; 12, hand buckle groove; 13, back-shaped sealing rubber strip; 14, round corner; 15, chamfer. DETAILED DESCRIPTION

[0018] The specific implementation of the utility model is described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0019] EXAMPLE

[0020] Please refer to Figures 1-5The utility model discloses a dustproof door of threshold, including civil air defence door frame 1, threshold 3 and L type plug -in block 7, civil air defence door frame 1 front end rotatory installation has civil air defence door body 2, and the left end integral fixed of threshold 3 is equipped with the connecting head 4, and the left side inner wall of civil air defence door frame 1 is equipped with the storage groove 5, and the lower end of storage groove 5 extends to the bottom end of civil air defence door frame 1, and the bottom end of storage groove 5 is fixedly connected with two groups of support 6, and support 6 is integral with civil air defence door frame 1, and threshold 3 is rotatory installed in the inside bottom of civil air defence door frame 1 through the cooperation of connecting head 4 and support 6, and the bottom end of threshold 3 is aligned with the bottom end of civil air defence door frame 1, and the front and rear ends of threshold 3 are aligned with the front and rear ends of civil air defence door frame 1, and the top right side of threshold 3 is equipped with the sliding slot 8, and the right end of threshold 3 is equipped with the opening of the communication of sliding slot 8, and L type plug -in block 7 is rotatory installed in sliding slot 8 through the cooperation of opening, and a plurality of springs 9 are fixedly connected between the left end of L type plug -in block 7 and the left end of sliding slot 8, and the lower side of the right side inner wall of civil air defence door frame 1 is equipped with the horizontal slot 10 of the adaptation of L type plug -in block 7, and L type plug -in block 7 is inserted in horizontal slot 10, and the top of storage groove 5 is equipped with the vertical slot 11 of the adaptation of L type plug -in block 7, when using, through the cooperation of L type plug -in block 7 and horizontal slot 10, make threshold 3 keep horizontal placement, when lifting threshold 3, through pulling L type plug -in block 7 to left, spring 9 is compressed, make L type plug -in block 7 and horizontal slot 10 separate, then again turn threshold 3 to vertical, make threshold 3 put into storage groove 5, when L type plug -in block 7 and vertical slot 11 are aligned, through loosening L type plug -in block 7, make L type plug -in block 7 through the springback of spring 9 and insert into vertical slot 11, make threshold 3 keep vertical state, through rotatory installation of threshold 3 in the bottom of civil air defence door frame 1, threshold 3 can be put flat in wartime, and threshold 3 can be lifted to vertical in daily life, after lifting threshold 3 and putting into storage groove 5, do not affect the smoothness of going in and out, still can effectively avoid the dust accumulation on threshold 3, improve the dustproof of threshold, avoid the influence of the sealing when closing door body.

[0021] The L type plug -in block 7 is equipped with hand buckle groove 12, through setting hand buckle groove 12, when pulling L type plug -in block 7, can reach hand buckle groove 12 and hold L type plug -in block 7 top, then again pull L type plug -in block 7, thereby when pulling L type plug -in block 7 and separating horizontal slot 10, avoid the situation of falling off.

[0022] The inside of civil air defence door body 2 is fixedly connected with the back-shaped sealing rubber strip 13 around the four edges, through setting back-shaped sealing rubber strip 13, make civil air defence door body 2 more close when closing, improve the sealing property when closing civil air defence door body 2.

[0023] The left and right ends of threshold 3 are equipped with round angle 14, through setting round angle 14, can make the left and right ends of threshold 3 more smooth, avoid the interference between threshold 3 and civil air defence door frame 1 and support 6 when lifting and placing.

[0024] The L-shaped plug 7 is provided with a chamfer 15 at the right end edge; the chamfer 15 makes the L-shaped plug 7 more easily inserted into the horizontal slot 10 or the vertical slot 11.

[0025] The silt-proof civil defense door with the threshold, the working principle, and the use are as follows: the threshold 3 is horizontally placed by the cooperation of the L-shaped plug 7 and the horizontal slot 10; when the threshold 3 is lifted, the L-shaped plug 7 is pulled to the left, the spring 9 is compressed, the L-shaped plug 7 is separated from the horizontal slot 10, then the threshold 3 is turned to be vertical, the threshold 3 is put into the storage groove 5, the L-shaped plug 7 is aligned with the vertical slot 11, the L-shaped plug 7 is inserted into the vertical slot 11 by the spring 9, the threshold 3 is kept in the vertical state, the threshold 3 is rotatably installed at the bottom of the civil defense door frame 1, the threshold 3 can be laid flat in wartime, the threshold 3 can be lifted to be vertical in peacetime, the threshold 3 is lifted and put into the storage groove 5, the smoothness of entering and exiting is not affected, and the threshold 3 can also avoid accumulating dust.

[0026] The silt-proof civil defense door with the threshold, the working principle, and the use are as follows: the threshold 3 is horizontally placed by the cooperation of the L-shaped plug 7 and the horizontal slot 10; when the threshold 3 is lifted, the L-shaped plug 7 is pulled to the left, the spring 9 is compressed, the L-shaped plug 7 is separated from the horizontal slot 10, then the threshold 3 is turned to be vertical, the threshold 3 is put into the storage groove 5, the L-shaped plug 7 is aligned with the vertical slot 11, the L-shaped plug 7 is inserted into the vertical slot 11 by the spring 9, the threshold 3 is kept in the vertical state, the threshold 3 is rotatably installed at the bottom of the civil defense door frame 1, the threshold 3 can be laid flat in wartime, the threshold 3 can be lifted to be vertical in peacetime, the threshold 3 is lifted and put into the storage groove 5, the smoothness of entering and exiting is not affected, and the threshold 3 can also avoid accumulating dust.

[0027] The silt-proof civil defense door with the threshold, the working principle, and the use are as follows: the threshold 3 is horizontally placed by the cooperation of the L-shaped plug 7 and the horizontal slot 10; when the threshold 3 is lifted, the L-shaped plug 7 is pulled to the left, the spring 9 is compressed, the L-shaped plug 7 is separated from the horizontal slot 10, then the threshold 3 is turned to be vertical, the threshold 3 is put into the storage groove 5, the L-shaped plug 7 is aligned with the vertical slot 11, the L-shaped plug 7 is inserted into the vertical slot 11 by the spring 9, the threshold 3 is kept in the vertical state, the threshold 3 is rotatably installed at the bottom of the civil defense door frame 1, the threshold 3 can be laid flat in wartime, the threshold 3 can be lifted to be vertical in peacetime, the threshold 3 is lifted and put into the storage groove 5, the smoothness of entering and exiting is not affected, and the threshold 3 can also avoid accumulating dust.

Claims

1. A dustproof civil defense door with a threshold, comprising a civil defense door frame (1), a civil defense door body (2) is rotatably installed at the front end of the civil defense door frame (1), characterized in that, The threshold assembly and the positioning assembly are further included; The threshold assembly includes a threshold (3), a connecting head (4) is fixedly arranged at the left end of the threshold (3), a receiving groove (5) is arranged on the inner wall of the left side of the civil air defense door frame (1), the lower end of the receiving groove (5) extends to the bottom end of the civil air defense door frame (1), two groups of supports (6) are fixedly connected to the bottom end of the receiving groove (5), the supports (6) are integrated with the civil air defense door frame (1), the threshold (3) is rotatably arranged at the bottom of the inner side of the civil air defense door frame (1) through the cooperation of the connecting head (4) and the supports (6), the bottom end of the threshold (3) is aligned with the bottom end of the civil air defense door frame (1), and the front and rear ends of the threshold (3) are aligned with the front and rear ends of the civil air defense door frame (1); The positioning assembly includes an L-shaped plug block (7) for positioning the threshold (3).

2. The dustproof civil defense door of claim 1, wherein, A sliding groove (8) is arranged at the right side of the top end of the threshold (3), the right end of the threshold (3) is provided with an opening in communication with the sliding groove (8), the L-shaped plug block (7) is slidably arranged in the sliding groove (8) through cooperation with the opening, a plurality of springs (9) are fixedly connected between the left end of the L-shaped plug block (7) and the left end of the sliding groove (8), a horizontal insertion groove (10) is arranged on the lower part of the inner wall of the right side of the civil air defense door frame (1) and is matched with the L-shaped plug block (7), the L-shaped plug block (7) is inserted into the horizontal insertion groove (10), and a vertical insertion groove (11) is arranged at the top end of the receiving groove (5) and is matched with the L-shaped plug block (7).

3. The dust sealing civil defense door of claim 2, wherein, A hand buckle groove (12) is arranged on the L-shaped plug block (7).

4. The dust sealing and civil defense door of claim 3, wherein, A back-shaped sealing rubber strip (13) is fixedly connected to the peripheral edge of the inner side of the civil air defense door body (2).

5. The dust sealing and civil defense door of claim 4, wherein, The threshold (3) is provided with a round corner (14) at the left and right ends.

6. The dust sealing civil defense door of claim 5, wherein, The right end edge of the L-shaped plug block (7) is provided with a chamfer (15).

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