Quick locking mechanism of single reinforced concrete civil air defense door

Abstract

The utility model discloses a quick locking mechanism of a single-leaf reinforced concrete civil air defense door, which comprises a door frame, an air-tight door body is movably mounted at the edge position of the front surface of the door frame through a hinge, and bolt frames are arranged at the two ends in the air-tight door body. A rubber sealing gasket is fixedly installed at the position, located on the edge, of the rear surface of the air-tight door body, a push-pull mechanism is movably installed at the center position in the air-tight door body, elastic clamping piles are fixedly installed at the positions, close to the two ends of the push-pull mechanism, in the air-tight door body, and the number of the bolt frames and the number of the elastic clamping piles are two. According to the quick locking mechanism of the single-leaf reinforced concrete civil air defense door, the bolt frame is matched with the push-pull mechanism, so that the quick locking mechanism of the single-leaf reinforced concrete civil air defense door can be automatically opened and closed, the closing is firmer, the protection is more reliable, and the quick locking mechanism can be manually opened and closed during power failure; the elastic clamping piles can prevent the bolt frame from loosening.

Description

TECHNICAL FIELD

[0001] The utility model relates to single -leaf reinforced concrete civil air defense door locking mechanism technical field, in particular to a single -leaf reinforced concrete civil air defense door's quick locking mechanism. BACKGROUND

[0002] The locking mechanism of the single-leaf reinforced concrete civil air defense door is a special opening and closing device, which aims to ensure the stability and safety of the door, and the locking mechanism mainly comprises a door frame, a sealing door body, a rack, a moving plate and the like, the door frame is connected with the sealing door body through a hinge, the door body is internally provided with a cavity, the rack and the moving plate are slidingly connected in the cavity to realize the locking function, the single-leaf reinforced concrete civil air defense door is generally used for personnel access with smaller size, has the advantages of reliable protection, lower cost and the like, the locking mechanism is designed ingeniously, and the door can be tightly closed when needed, effectively blocking the shock wave and the toxic agent.

[0003] The existing single-leaf reinforced concrete civil air defense door locking mechanism has certain disadvantages in use, in the traditional single-leaf reinforced concrete civil air defense door locking mechanism, the sealing door body can only be opened by a hand wheel, and it is not convenient and simple to open and close the sealing door body, and the four pin shafts are provided without elastic limiting structures on the rack. UTILITY MODEL CONTENTS

[0004] The utility model discloses a single-leaf reinforced concrete civil air defense door's quick locking mechanism can effectively solve the problem in the background art.

[0005] To achieve the above-mentioned purpose, the utility model takes the technical scheme that:

[0006] A single-leaf reinforced concrete civil air defense door's quick locking mechanism, including the door frame, the door frame front surface is located in the position of the edge and is provided with the sealing door body through the hinge activity installation, the sealing door body inside is located in the position of both ends and is provided with the bolt frame, the sealing door body rear surface is located in the position of the edge and is fixedly installed with the rubber sealing washer, the sealing door body inside the center position is movably installed with the push-pull mechanism, the sealing door body inside is close to the push-pull mechanism both ends and is fixedly installed with the elastic card stake, the bolt frame and the elastic card stake are provided with two, and the recess hole is formed in the inner side of the door frame.

[0007] Preferably, the bolt frame comprises a fixed outer frame, a short sliding rod, a C-shaped frame and a fixed bolt.

[0008] Preferably, the fixed outer frame is arranged inside the airtight door body near the four corners, the short slide rod is arranged inside the fixed outer frame, the C-shaped frame is fixedly installed between the front ends of the short slide rod, the fixed bolt is fixedly installed on the front surface of the C-shaped frame, the number of the fixed bolts is several, the fixed bolts are uniformly distributed on the front surface of the C-shaped frame, and the front end of the fixed bolt is inserted into the through hole in the side surface of the airtight door body.

[0009] Preferably, the push-pull mechanism comprises a rack sleeve, a push-pull rack, a center gear, a forward and reverse motor and a hand wheel.

[0010] Preferably, the number of the rack sleeves is two, the rack sleeves are fixedly installed inside the airtight door body at the middle position, the push-pull rack is arranged inside the rack sleeve, the upper and lower ends of the center gear are clamped into the clamping grooves of the push-pull rack, the forward and reverse motor is fixedly installed at the central position of the rear surface of the airtight door body, the rear end of the hand wheel is fixedly connected with the front end of the center gear through the airtight door body, one end of the push-pull rack away from the center gear is fixedly connected with the C-shaped frame, and the front end of the forward and reverse motor is fixedly connected with the rear end of the center gear.

[0011] Preferably, the elastic clamping pile comprises a spring outer frame, a sharp head clamping block and a telescopic spring.

[0012] Preferably, the number of the spring outer frames is two, the spring outer frames are fixedly installed inside the airtight door body near the center gear, the sharp head clamping blocks are arranged inside the spring outer frames at the upper and lower ends, and the telescopic springs are fixedly installed at the lower ends of the sharp head clamping blocks and fixedly connected with the middle part of the spring outer frame.

[0013] Compared with the prior art, the quick locking mechanism for single-leaf reinforced concrete civil air defense door has the following beneficial effects:

[0014] In the utility model, the bolt frame, the push-pull mechanism and the elastic clamping pile are arranged, the bolt frame cooperates with the push-pull mechanism, the quick locking mechanism of the single-leaf reinforced concrete civil air defense door can be automatically opened and closed, the closure is more firm, and the protection is more reliable, the quick locking mechanism can be manually opened and closed when power failure occurs, and the elastic clamping pile can prevent the bolt frame from loosening. ACCURACY OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the quick locking mechanism for single-leaf reinforced concrete civil air defense door.

[0016] Figure 2 It is a schematic view of the inside of the airtight door body of the quick locking mechanism for single-leaf reinforced concrete civil air defense door.

[0017] Figure 3The utility model discloses a single -leaf reinforced concrete civil air defence door's quick locking mechanism's bolt frame, push -and -pull mechanism and elastic card stake structure schematic diagram,

[0018] Figure 4 The utility model discloses a single -leaf reinforced concrete civil air defence door's quick locking mechanism's Figure 2 A portion amplification schematic diagram in the middle,

[0019] Figure 5 The utility model discloses a single -leaf reinforced concrete civil air defence door's quick locking mechanism's Figure 2 B portion amplification schematic diagram in the middle,

[0020] Figure 6 The utility model discloses a single -leaf reinforced concrete civil air defence door's quick locking mechanism's Figure 3 C portion amplification schematic diagram in the middle.

[0021] In the drawing: 1, door frame;2, airtight door body;3, bolt frame;301, fixed outer frame;302, short slide bar;303, C-shaped frame;304, fixed bolt;4, rubber sealing washer;5, push -and -pull mechanism;501, rack cover;502, push -and -pull rack;503, center gear;504, forward -and -reverse motor;505, hand wheel;6, elastic card stake;601, spring outer frame;602, pointed head clamping block;603, telescopic spring. Specific implementation

[0022] In order to make the 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 implementation manners.

[0023] As Figures 1-6 The utility model discloses a single -leaf reinforced concrete civil air defence door's quick locking mechanism, including door frame 1, the position of the edge of door frame 1 front surface is installed with airtight door body 2 through the hinge activity, the inside of airtight door body 2 is equipped with bolt frame 3 in the position of both ends, the position of the edge of airtight door body 2 rear surface is fixedly installed with rubber sealing washer 4, the inside of airtight door body 2 is fixedly installed with elastic card stake 6 in the position of the both ends near push -and -pull mechanism 5, the number of bolt frame 3 and elastic card stake 6 setting is two, recessed hole is set up in the inside of door frame 1, bolt frame 3 cooperates push -and -pull mechanism 5 to make the quick locking mechanism of single -leaf reinforced concrete civil air defence door can automatically open and shut, and the closure is more firm, and the protection is more reliable, when power failure, can manually open and close, and elastic card stake 6 can prevent bolt frame 3 from loosening.

[0024] In the embodiment, bolt frame 3 includes fixed outer frame 301, short slide bar 302, C-shaped frame 303 and fixed bolt 304.

[0025] In the embodiment, the fixed outer frame 301 is arranged inside the airtight door body 2 near the four corners, the short slide rod 302 is arranged inside the fixed outer frame 301, the C-shaped frame 303 is fixedly installed between the front ends of the short slide rod 302, the fixed pins 304 are fixedly installed on the front surface of the C-shaped frame 303, the number of the fixed pins 304 is several, the fixed pins 304 are uniformly distributed on the front surface of the C-shaped frame 303, and the front ends of the fixed pins 304 are inserted into the through holes in the side surface of the airtight door body 2.

[0026] In the embodiment, the push-pull mechanism 5 includes a rack sleeve 501, a push-pull rack 502, a center gear 503, a forward-reverse motor 504, and a hand wheel 505.

[0027] In the embodiment, the number of the rack sleeves 501 is two, the rack sleeves 501 are fixedly installed inside the airtight door body 2 at the middle position, the push-pull rack 502 is arranged inside the rack sleeve 501, the upper and lower ends of the center gear 503 are clamped into the clamping grooves of the push-pull rack 502, the forward-reverse motor 504 is fixedly installed at the central position of the rear surface of the airtight door body 2, the rear end of the hand wheel 505 is fixedly connected with the front end of the center gear 503 through the airtight door body 2, one end of the push-pull rack 502 away from the center gear 503 is fixedly connected with the C-shaped frame 303, and the front end of the forward-reverse motor 504 is fixedly connected with the rear end of the center gear 503.

[0028] In the embodiment, the elastic clamping pile 6 includes a spring outer frame 601, a sharp clamping block 602, and a telescopic spring 603.

[0029] In the embodiment, the number of the spring outer frames 601 is two, the spring outer frames 601 are fixedly installed inside the airtight door body 2 near the center gear 503, the sharp clamping blocks 602 are arranged inside the spring outer frames 601 at the upper and lower ends, the telescopic springs 603 are fixedly installed at the lower ends of the sharp clamping blocks 602, and the lower ends of the telescopic springs 603 are fixedly connected with the middle part of the spring outer frames 601.

[0030] It needs to be explained that the utility model is a kind of single-leaf reinforced concrete civil air defense door's quick locking mechanism, when using, door frame 1 is installed to the door hole of single-leaf reinforced concrete civil air defense door, after closing airtight door body 2, rubber sealing washer 4 plays the role of sealing, in bolt frame 3, push-pull mechanism 5 and elastic card pile 6, positive and negative rotation motor 504 drives center gear 503 to rotate, drives push-pull rack 502 to move in rack outer cover 501, pushes to C-shaped frame 303, moves along the inside of airtight door body 2, short slide rod 302 slides in fixed outer frame 301, and fixed bolt 304 front end is inserted into the recess hole inside door frame 1, in the movement of push-pull rack 502, pointed head clamping block 602 is constantly pressed into the inside of spring outer frame 601, telescopic spring 603 is constantly compressed and recovered, until pointed head clamping block 602 is clamped into the specified position of push-pull rack 502 The clamping groove, when power failure, can hand hold hand wheel 505 rotate center gear 503, drive push-pull rack 502 to move, C-shaped frame 303 moves along with it, and fixed bolt 304 is inserted and pulled out along with it, and bolt frame 3 cooperates with push-pull mechanism 5 to make single-leaf reinforced concrete civil air defense door's quick locking mechanism can be automatically opened and closed, more firm and reliable protection, when power failure, can be manually opened and closed, and elastic card pile 6 can prevent bolt frame 3 from loosening.

[0031] 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 those skilled in the art that the utility model is not limited to the above-described embodiments, and the above-described embodiments and descriptions in the specification are only illustrative of the principles 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 claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A quick-locking mechanism for a single-leaf reinforced concrete air-raid shelter door, characterized in that: The door frame (1) is included. A sealed door body (2) is movably installed on the front surface of the door frame (1) at the edge via a hinge. A latch frame (3) is provided at both ends inside the sealed door body (2). A rubber sealing gasket (4) is fixedly installed on the rear surface of the sealed door body (2) at the edge. A push-pull mechanism (5) is movably installed at the center inside the sealed door body (2). Elastic pins (6) are fixedly installed at both ends inside the sealed door body (2) near the push-pull mechanism (5). There are two latch frames (3) and two elastic pins (6). A groove hole is provided on the inner side of the door frame (1).

2. The quick-locking mechanism for a single-leaf reinforced concrete air-raid shelter door according to claim 1, characterized in that: The pin frame (3) includes a fixed outer frame (301), a short slide bar (302), a C-shaped frame (303), and a fixed pin (304).

3. The quick-locking mechanism for a single-leaf reinforced concrete air-raid shelter door according to claim 2, characterized in that: The fixed outer frame (301) is located inside the airtight door body (2) near the four corners. The short slide rod (302) is located inside the fixed outer frame (301). The C-shaped frame (303) is fixedly installed between the front ends of the short slide rod (302). The fixed pin (304) is fixedly installed on the front surface of the C-shaped frame (303). There are several fixed pins (304). The fixed pins (304) are evenly distributed on the front surface of the C-shaped frame (303). The front end of the fixed pin (304) is inserted into the through hole on the side of the airtight door body (2).

4. The quick-locking mechanism for a single-leaf reinforced concrete air-raid shelter door according to claim 3, characterized in that: The push-pull mechanism (5) includes a rack sleeve (501), a push-pull rack (502), a central gear (503), a forward and reverse motor (504), and a handwheel (505).

5. The quick-locking mechanism for a single-leaf reinforced concrete air-raid shelter door according to claim 4, characterized in that: There are two rack sleeves (501). The rack sleeves (501) are fixedly installed inside the airtight door body (2) at the middle position. The push-pull rack (502) is located inside the rack sleeves (501). The upper and lower ends of the central gear (503) are engaged in the slots of the push-pull rack (502). The forward and reverse motor (504) is fixedly installed at the center of the rear surface of the airtight door body (2). The rear end of the handwheel (505) passes through the airtight door body (2) and is fixedly connected to the front end of the central gear (503). The end of the push-pull rack (502) away from the central gear (503) is fixedly connected to the C-shaped frame (303). The front end of the forward and reverse motor (504) is fixedly connected to the rear end of the central gear (503).

6. The quick-locking mechanism for a single-leaf reinforced concrete air-raid shelter door according to claim 5, characterized in that: The elastic locking post (6) includes a spring frame (601), a pointed locking block (602), and a telescopic spring (603).

7. The quick-locking mechanism for a single-leaf reinforced concrete air-raid shelter door according to claim 6, characterized in that: There are two spring frames (601). The spring frames (601) are fixedly installed inside the airtight door body (2) near the central gear (503). The pointed block (602) is located inside the spring frame (601) at the upper and lower ends. The telescopic spring (603) is fixedly installed at the lower end of the pointed block (602). The lower end of the telescopic spring (603) is fixedly connected to the middle of the spring frame (601).

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