High-strength door frame structure of civil air defense door

Abstract

The utility model relates to a high-strength door frame structure of a civil air defense door, which belongs to the field of door frame structures of civil air defense doors and comprises a civil air defense door frame body, and two reinforcing buried rods are fixed on each of the upper side and the lower side of the civil air defense door frame body. According to the high-strength civil air defense door frame structure, the stability of the civil air defense door frame body installed on the wall can be improved through the upper and lower reinforcing buried rods, and the stability of the civil air defense door frame body installed on the wall can be improved again through the left and right reinforcing telescopic rods and the rectangular buried rods; the rectangular reinforcing frame is arranged on the front face of the civil air defense door frame body, so that the strength of the civil air defense door frame body can be improved, and at the moment, the rectangular reinforcing frame can be moved upwards to move at least two reinforcing inserting columns on the lower side out of at least two inserting grooves on the lower side; and then the rectangular reinforcing frame can be detached from the front face of the civil air defense door frame body, so that the problems of deformation, damage and the like are not easily caused under large impact, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of civil air defense door frame structures, in particular to a high-strength civil air defense door frame structure. Background Art

[0002] Civil defense doors are the doors at the entrances and exits of people's defense projects. Civil defense doors include civil defense door frame structures and civil defense doors. Civil defense doors are activities for the government to mobilize and organize the masses, take anti-air raid, disaster relief measures, implement rescue operations, and prevent and reduce the harm of disasters. Civil defense doors are civil defense protection equipment and are the doors at the entrances and exits of people's defense projects. They are used to protect refugees and block blasting injuries.

[0003] For example, Chinese patent CN219910467U discloses a human defense door frame with a buffer structure, including a door frame body and a door panel, a lining is arranged in the door frame body, switches are arranged at both ends of the door panel, a sealing strip is arranged at one end of the door panel, and clamping strips are arranged at the upper and lower ends of one end of the lining, the sealing strip corresponds to the clamping strip, two groups of mounting grooves are opened at both ends of the surface of one end of the lining, buffer components are arranged in the four groups of mounting grooves, and auxiliary support components are arranged at both ends of the other end surface of the lining, and the auxiliary support components correspond to the switch. The utility model has the effect of reducing the impact and wear between the door panel and the door frame body when the door panel is closed, thereby extending the service life. After buffering, the sealing strip will be stuck in the clamping strips at the upper and lower ends of the lining for limiting, and the switch is turned to close and fix, and at the same time, the auxiliary support components at both ends of the lining are rotated to be stuck on the switch, thereby achieving the advantages of improved fixation, simple structure and convenient operation.

[0004] Although the above patent achieves the advantages of improved fixation, simple structure and easy operation, the door frame body in the patent has a simple structure, the door frame body is composed of a single structure, and the impact resistance is general. The door frame body may be deformed and damaged under a large impact, which reduces its practicality. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a high-strength civil defense door frame structure, which has the advantages of improving the structural strength of the civil defense door frame and not easily causing deformation damage under a large impact. It solves the problem that the door frame body has a simple structure, the door frame body is composed of a single structure, the impact resistance is general, and the door frame body may be deformed and damaged under a large impact.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-strength civil air defense door frame structure, comprising a civil air defense door frame body, two reinforcing embedded rods are fixed on the upper and lower sides of the civil air defense door frame body, and a reinforcing mechanism is provided on the front of the civil air defense door frame body;

[0007] The reinforcement mechanism includes two reinforcement fixing plates, no less than two slots, a rectangular reinforcement frame, no less than two reinforcement columns, two reinforcement limit frames and a connecting component. The lower reinforcement fixing plate is fixed to the lower side of the front side of the civil defense door frame body, and the no less than two slots are opened on the opposite side of the upper and lower reinforcement fixing plates. The reinforcement columns are slidably inserted into the inside of the slots. The no less than two reinforcement columns are fixed on the upper and lower sides of the rectangular reinforcement frame. The two reinforcement limit frames are fixed on the left and right sides of the upper front side of the civil defense door frame body. The upper reinforcement fixing plate is slidably connected to the outside of the two reinforcement limit frames, and the back side of the upper reinforcement fixing plate is in contact with the front side of the civil defense door frame body.

[0008] By adopting this technical solution, the structural strength of the civil air defense door frame is improved, and it is not easy to cause deformation damage under large impacts.

[0009] Furthermore, three reinforced telescopic rods are fixed on the left and right sides of the civil air defense door frame body, and rectangular buried rods are fixed on the opposite sides of the reinforced telescopic rods on the left and right sides.

[0010] By adopting this technical solution, the stability of the civil air defense door frame body fixed on the wall can be improved through the rectangular embedded rods on the left and right sides.

[0011] Furthermore, the reinforced telescopic rod comprises a reinforced fixing tube, and a reinforced sliding rod is fixed inside the reinforced fixing tube by bolts.

[0012] By adopting this technical solution, the length of the reinforced telescopic rod can be adjusted by twisting the bolt on the upper surface of the reinforced telescopic rod.

[0013] Furthermore, the connecting assembly includes a fixed block, a threaded rod, a handle, a mounting block, a latch and a slot, the fixed block is fixed to the upper side of the front face of the civil air defense door frame body, the threaded rod is threadedly connected to the inside of the fixed block, the handle is fixed to the top end of the threaded rod, the bottom end of the threaded rod is rotatably connected to the upper surface of the upper reinforcing fixing plate through a bearing, the mounting block is fixed to the upper side of the front face of the civil air defense door frame body, the latch is fixed to the front face of the mounting block, the slot is opened on the left side of the handle, and the outer side of the right side of the latch is slidably inserted into the inside of the slot.

[0014] By adopting this technical solution, the handle can be limited and fixed by sliding the outer side of the right side of the latch into the inside of the card slot to prevent the handle from rotating.

[0015] Furthermore, the outer diameter of the reinforcing pin is matched with the inner diameter of the slot, and the reinforcing pin moves linearly up and down inside the slot.

[0016] By adopting this technical solution, the reinforcement column can be slidably inserted into the inside of the slot so as to fix the rectangular reinforcement frame on the front side of the civil air defense door frame body.

[0017] Furthermore, the upper reinforcing fixing plate moves linearly up and down on the outer sides of the left and right reinforcing limiting frames.

[0018] By adopting this technical solution, the reinforcement limit frames on the left and right sides can limit the movement of the reinforcement fixing plate.

[0019] Furthermore, the reinforcing embedded rods on the left and right sides are symmetrically distributed on the left and right sides of the longitudinal center axis of the civil defense door frame body.

[0020] By adopting this technical solution, the stability of the civil air defense door frame body installed on the wall can be improved through the four reinforcing embedded rods on the upper and lower sides.

[0021] Furthermore, the threaded rod is located on the longitudinal center axis of the fixing block.

[0022] By adopting this technical solution, the threaded rod can be driven to rotate by turning the handle, and then the upper reinforcing fixing plate can be driven to move up and down.

[0023] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0024] The high-strength civil air defense door frame structure can improve the stability of the civil air defense door frame body installed on the wall through two reinforcing embedded rods on the upper and lower sides, and can further improve the stability of the civil air defense door frame body installed on the wall through the reinforcing telescopic rods and rectangular embedded rods on the left and right sides. The strength of the civil air defense door frame body can be improved by arranging a rectangular reinforcing frame on the front of the civil air defense door frame body. When the rectangular reinforcing frame needs to be removed, the pin can be pulled to move the outer side of the right side of the pin out of the interior of the card slot. At this time, the handle can be turned to drive the threaded rod to rotate, and the reinforcing columns of at least two on the upper side can be moved out of the interior of at least two slots on the upper side. At this time, the rectangular reinforcing frame can be moved upward to move the reinforcing columns of at least two on the lower side out of the interior of at least two slots on the lower side. Then the rectangular reinforcing frame can be removed from the front of the civil air defense door frame body, so that it is not easy to cause deformation damage and other problems under a large impact, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of the utility model;

[0026] Figure 2 It is a three-dimensional schematic diagram of the reinforced telescopic rod and the rectangular buried rod of the utility model;

[0027] Figure 3 This is a schematic diagram of the strengthening mechanism of the utility model;

[0028] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure in the middle.

[0029] In the figure: 1. Civil air defense door frame body; 2. Strengthening buried rod; 3. Strengthening mechanism; 31. Strengthening fixing plate; 32. Slot; 33. Rectangular strengthening frame; 34. Strengthening plug column; 35. Strengthening limit frame; 36. Connecting assembly; 361. Fixing block; 362. Threaded rod; 363. Handle; 364. Mounting block; 365. Latch; 366. Slot; 4. Strengthening telescopic rod; 5. Rectangular buried rod. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-2 A high-strength civil defense door frame structure in this embodiment includes a civil defense door frame body 1, two reinforcing embedded rods 2 are fixed on the upper and lower sides of the civil defense door frame body 1, and a reinforcing mechanism 3 is provided on the front of the civil defense door frame body 1. The reinforcing mechanism 3 improves the structural strength of the civil defense door frame and is not easily deformed or damaged under a large impact.

[0032] In this embodiment, three reinforced telescopic rods 4 are fixed on the left and right sides of the civil defense door frame body 1, and rectangular buried rods 5 are fixed on the opposite sides of the left and right reinforced telescopic rods 4. The reinforced telescopic rods 4 include a reinforced fixing tube, and a reinforced sliding rod is fixed inside the reinforced fixing tube by bolts. The civil defense door body is rotatably connected to the back of the civil defense door frame body 1.

[0033] It should be noted that the two reinforcing embedded rods 2 on the upper and lower sides can improve the stability of the civil air defense door frame body 1 installed on the wall, and the reinforcing telescopic rods 4 and the rectangular embedded rods 5 on the left and right sides can further improve the stability of the civil air defense door frame body 1 installed on the wall. The length of the reinforcing telescopic rod 4 can be adjusted by twisting the bolts on the upper surface of the reinforcing telescopic rod 4.

[0034] See also Figure 3-4In order to improve the structural strength of the civil air defense door frame and prevent it from being deformed and damaged under a large impact, in this embodiment, the reinforcing mechanism 3 includes two reinforcing fixing plates 31, no less than two slots 32, a rectangular reinforcing frame 33, no less than two reinforcing plug columns 34, two reinforcing limit frames 35 and a connecting assembly 36. The lower reinforcing fixing plate 31 is fixed to the lower side of the front side of the civil air defense door frame body 1, and no less than two slots 32 are both opened on the opposite side of the upper and lower reinforcing fixing plates 31.

[0035] In this embodiment, the reinforcing column 34 is slidably inserted into the interior of the slot 32, and no less than two reinforcing columns 34 are fixed on the upper and lower sides of the rectangular reinforcing frame 33. The two reinforcing limit frames 35 are fixed on the left and right sides of the upper front side of the civil defense door frame body 1. The upper reinforcing fixing plate 31 is slidably connected to the outer sides of the two reinforcing limit frames 35, and the back side of the upper reinforcing fixing plate 31 is in contact with the front side of the civil defense door frame body 1.

[0036] In this embodiment, the connecting assembly 36 includes a fixed block 361, a threaded rod 362, a handle 363, a mounting block 364, a pin 365 and a slot 366. The fixed block 361 is fixed to the upper side of the front of the civil defense door frame body 1, the threaded rod 362 is threadedly connected to the inside of the fixed block 361, the handle 363 is fixed to the top of the threaded rod 362, the bottom end of the threaded rod 362 is rotatably connected to the upper surface of the upper reinforcing fixing plate 31 through a bearing, and the mounting block 364 is fixed to the upper side of the front of the civil defense door frame body 1.

[0037] In this embodiment, the strength of the civil air defense door frame body 1 can be improved by setting a rectangular reinforcement frame 33 on the front side of the civil air defense door frame body 1. When the rectangular reinforcement frame 33 needs to be removed, the pin 365 can be pulled to move the outer side of the right side of the pin 365 out of the interior of the slot 366. At this time, the handle 363 can be rotated to drive the threaded rod 362 to rotate.

[0038] In this embodiment, the pin 365 is fixed on the front side of the mounting block 364, and the slot 366 is opened on the left side of the handle 363. The outer side of the right side of the pin 365 is slidably inserted into the inside of the slot 366. The outer diameter of the reinforcing column 34 is adapted to the inner diameter of the slot 32. The reinforcing column 34 makes linear movements up and down inside the slot 32. The upper reinforcing fixing plate 31 makes linear movements up and down on the outer sides of the left and right reinforcing limit frames 35. The left and right reinforcing embedded rods 2 are symmetrically distributed on the left and right sides of the longitudinal center axis of the civil defense door frame body 1, and the threaded rod 362 is located on the longitudinal center axis of the fixing block 361.

[0039] It should be noted that the upper reinforcing fixing plate 31 slides upward on the outside of the left and right reinforcing limit frames 35 under the limiting action of the left and right reinforcing limit frames 35, and then the reinforcing columns 34 with a number of not less than two on the upper side are moved out of the interior of the not less than two slots 32 on the upper side. At this time, the rectangular reinforcing frame 33 can be moved upward to make the reinforcing columns 34 with a number of not less than two on the lower side move out of the interior of the not less than two slots 32 on the lower side, and then the rectangular reinforcing frame 33 can be removed from the front of the civil defense door frame body 1, so that it is not easy to cause deformation damage and other problems under a large impact, thereby improving practicality.

[0040] The working principle of the above embodiment is:

[0041] The stability of the civil air defense door frame body 1 installed on the wall can be improved by the two reinforcing embedded rods 2 on the upper and lower sides, and the stability of the civil air defense door frame body 1 installed on the wall can be further improved by the reinforcing telescopic rods 4 and the rectangular embedded rods 5 on the left and right sides. The length of the reinforcing telescopic rod 4 can be adjusted by twisting the bolts on the upper surface of the reinforcing telescopic rod 4. The strength of the civil air defense door frame body 1 can be improved by setting the rectangular reinforcing frame 33 on the front side of the civil air defense door frame body 1. When the rectangular reinforcing frame 33 needs to be disassembled, the pin 365 can be pulled to move the outer side of the right side of the pin 365 out of the interior of the card slot 366. At this time, the handle 363 can be turned to drive The threaded rod 362 rotates, and the upper reinforcing fixing plate 31 slides upward on the outside of the left and right reinforcing limit frames 35 under the limiting action of the left and right reinforcing limit frames 35, and then the reinforcing columns 34 with a number of not less than two on the upper side are moved out of the interior of the not less than two slots 32 on the upper side. At this time, the rectangular reinforcing frame 33 can be moved upward to make the reinforcing columns 34 with a number of not less than two on the lower side move out of the interior of the not less than two slots 32 on the lower side, and then the rectangular reinforcing frame 33 can be removed from the front of the civil defense door frame body 1, so that it is not easy to cause deformation damage and other problems under a large impact, thereby improving practicality.

Claims

1. A high-strength civil air defense door frame structure, comprising a civil air defense door frame body (1), characterized in that: Two reinforcing embedded rods (2) are fixed to both upper and lower sides of the civil air defense door frame body (1), and a reinforcing mechanism (3) is provided on the front side of the civil air defense door frame body (1); The reinforcing mechanism (3) comprises two reinforcing fixing plates (31), not less than two slots (32), a rectangular reinforcing frame (33), not less than two reinforcing plug posts (34), two reinforcing limit frames (35) and a connecting assembly (36), wherein the lower reinforcing fixing plate (31) is fixed to the lower side of the front face of the civil air defense door frame body (1), the not less than two slots (32) are both arranged on the opposite side of the upper and lower reinforcing fixing plates (31), the reinforcing plug posts (34) are slidably inserted into the interior of the slots (32), the not less than two reinforcing plug posts (34) are both fixed to the upper and lower sides of the rectangular reinforcing frame (33), the two reinforcing limit frames (35) are both fixed to the left and right sides of the upper side of the front face of the civil air defense door frame body (1), the upper reinforcing fixing plate (31) is slidably connected to the outer sides of the two reinforcing limit frames (35), and the back side of the upper reinforcing fixing plate (31) is in contact with the front face of the civil air defense door frame body (1).

2. A high-strength civil air defense door frame structure according to claim 1, characterized in that: Three reinforced telescopic rods (4) are fixed to both left and right sides of the civil air defense door frame body (1), and rectangular buried rods (5) are fixed to the opposite sides of the reinforced telescopic rods (4) on the left and right sides.

3. A high-strength civil air defense door frame structure according to claim 2, characterized in that: The reinforced telescopic rod (4) comprises a reinforced fixing tube, and a reinforced sliding rod is fixed inside the reinforced fixing tube via bolts.

4. The high-strength civil air defense door frame structure according to claim 1, characterized in that: The connecting assembly (36) comprises a fixing block (361), a threaded rod (362), a handle (363), a mounting block (364), a latch (365) and a slot (366); the fixing block (361) is fixed to the upper side of the front face of the civil air defense door frame body (1); the threaded rod (362) is threadedly connected to the interior of the fixing block (361); the handle (363) is fixed to the top end of the threaded rod (362); the bottom end of the threaded rod (362) is rotatably connected to the upper surface of the upper reinforcing fixing plate (31) via a bearing; the mounting block (364) is fixed to the upper side of the front face of the civil air defense door frame body (1); the latch (365) is fixed to the front face of the mounting block (364); the slot (366) is provided on the left side of the handle (363); and the outer side of the right side of the latch (365) is slidably inserted into the interior of the slot (366).

5. The high-strength civil air defense door frame structure according to claim 1, characterized in that: The outer diameter of the reinforcing plug post (34) is matched to the inner diameter of the slot (32), and the reinforcing plug post (34) moves linearly up and down inside the slot (32).

6. The high-strength civil air defense door frame structure according to claim 1, characterized in that: The upper reinforcing fixing plate (31) moves linearly up and down on the outer sides of the left and right reinforcing limiting frames (35).

7. The high-strength civil air defense door frame structure according to claim 1, characterized in that: The reinforcing embedded rods (2) on the left and right sides are symmetrically distributed on the left and right sides of the longitudinal center axis of the civil air defense door frame body (1).

8. The high-strength civil air defense door frame structure according to claim 4, characterized in that: The threaded rod (362) is located on the longitudinal center axis of the fixing block (361).

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