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CN-224214006-U - Adjustable civil air defense door hinge buffer device

CN224214006UCN 224214006 UCN224214006 UCN 224214006UCN-224214006-U

Abstract

The utility model relates to the technical field of buffering devices, in particular to an adjustable human air defense door hinge buffering device which comprises a door frame body, wherein three fixed hinge seats are fixedly connected to the left end of the front face of the door frame body, guide sliding grooves are formed in two sides of the middle end of the inner wall of the fixed hinge seat, and an upper pressing cavity and a lower pressing cavity are respectively formed in the upper end and the lower end of an inner cavity of the fixed hinge seat. According to the utility model, by combining with the principle of hydraulic buffering, after the hydraulic flow in the upper pressure cavity and the lower pressure cavity is limited during the cooperation of the fixed hinged support, the connecting hinged support and the inserting rod, the opening and closing speeds of the adjustable civil air defense door body are basically in a constant state, the adverse factors caused by instant impact force are avoided, no additional buffering equipment is needed, the buffering cost is reduced, and the whole attractive performance is good.

Inventors

  • ZHANG FENG

Assignees

  • 广西鑫盾人防工程集团有限公司

Dates

Publication Date
20260508
Application Date
20250605

Claims (7)

  1. 1. An adjustable civil air defense door hinge buffer device, comprising: The door frame comprises a door frame body (1), wherein three fixed hinging seats (101) are fixedly connected to the left end of the front face of the door frame body (1), guide sliding grooves (103) are formed in two sides of the middle end of the inner wall of the fixed hinging seat (101), and an upper pressing cavity (104) and a lower pressing cavity (105) are respectively formed in the upper end and the lower end of an inner cavity of the fixed hinging seat (101); an adjustable civil air defense door body (2) matched with the door frame body (1), wherein the left end of the adjustable civil air defense door body (2) is fixedly connected with a connecting hinged support (201) corresponding to the fixed hinged support (101); The inserting rod (3) is arranged at the bottom of the connecting hinged support (201), and guide rail grooves (301) are formed in two ends of the outer surface of the inserting rod (3); The movable ring (4) moving in the inner cavity of the fixed hinged support (101), guide sliding blocks (401) sliding in the guide sliding grooves (103) are respectively arranged at two ends of the outer surface of the movable ring (4), guide protruding blocks (405) sliding in the guide rail grooves (301) are respectively fixedly connected to two ends of the inner wall of the movable ring (4), an upper sealing ring plug (402) and a lower sealing ring plug (404) are respectively fixedly connected to the top and the bottom of the movable ring (4), and a plurality of through micropores (403) distributed at equal angles are formed in the inner surfaces between the upper sealing ring plug (402) and the lower sealing ring plug (404) and the movable ring (4).
  2. 2. The adjustable civil air defense door hinge buffering device according to claim 1, wherein a plurality of balls (102) distributed at equal angles are arranged at the top of the fixed hinged support (101), and the top of each ball (102) is contacted with the bottom of the connecting hinged support (201).
  3. 3. The adjustable civil air defense door hinge buffering device of claim 1, wherein the left end and the right end of the front face of the adjustable civil air defense door body (2) are respectively provided with a pointing mark (202) and a handle (203).
  4. 4. The adjustable civil air defense door hinge buffering device of claim 1, wherein a sealing rubber pad (204) attached to the door frame body (1) is adhered to the rear side of the adjustable civil air defense door body (2).
  5. 5. The buffering device for the adjustable civil air defense door hinge of claim 1, wherein a butt-inserting groove (302) is formed between one end of the guide rail groove (301) and the bottom of the inserting rod (3), and the butt-inserting groove (302) is matched with the guide convex block (405).
  6. 6. The adjustable civil air defense door hinge buffering device of claim 1, wherein one end of the guide protruding block (405) is of a hemispherical structure.
  7. 7. The adjustable civil air defense door hinge buffering device according to claim 1, wherein the inserting rod (3) is matched with the inner wall of the movable ring (4).

Description

Adjustable civil air defense door hinge buffer device Technical Field The utility model relates to the technical field of buffering devices, in particular to an adjustable civil air defense door hinge buffering device. Background The adjustable civil air defense door is a protective door with an adjustable function, and is mainly used in civil air defense engineering so as to be flexibly adjusted under different conditions. Specifically, the width of the adjustable civil air defense door can be adjusted through a mechanical device, so that different transportation requirements can be met. At present, after the adjustable civil air defense door is matched with a door frame, a buffer device is needed, if the buffer is lacking in the opening and closing process, the joint of a hinge, a door frame and a door leaf can generate severe vibration due to instant impact force, so that the door leaf is easy to misplace, deform or can not normally close. Disclosure of utility model The utility model aims to provide an adjustable hinge buffer device for a civil air defense door, which has the advantages of good hinge buffer attractiveness, no need of additionally adding buffer equipment and capability of reducing buffer cost, and solves the problems that the traditional buffer mode is to install a spring buffer device between a door frame and a door leaf or install a hydraulic buffer on a door shaft of the civil air defense door or on the edge of the door, and the added structure influences the integral attractiveness of the civil air defense door and increases the buffer cost. In order to achieve the purpose, the utility model provides the following technical scheme that the adjustable hinge buffering device for the civil air defense door comprises the following components: The door frame comprises a door frame body, wherein the left end of the front surface of the door frame body is fixedly connected with three fixed hinged supports, guide sliding grooves are formed in two sides of the middle end of the inner wall of the fixed hinged support, and an upper pressing cavity and a lower pressing cavity are respectively formed in the upper end and the lower end of an inner cavity of the fixed hinged support; The left end of the adjustable civil air defense door body is fixedly connected with a connecting hinged support corresponding to the fixed hinged support; The inserting rod is arranged at the bottom of the connecting hinged support, and guide rail grooves are formed in two ends of the outer surface of the inserting rod; The movable ring is movably arranged in the inner cavity of the fixed hinged support, the two ends of the outer surface of the movable ring are respectively provided with a guide sliding block sliding in the guide sliding groove, the two ends of the inner wall of the movable ring are respectively fixedly connected with a guide convex block sliding in the guide rail groove, the top and the bottom of the movable ring are respectively fixedly connected with an upper sealing ring plug and a lower sealing ring plug, and a plurality of through micropores distributed at equal angles are formed in the inner surfaces between the upper sealing ring plug and the movable ring and between the lower sealing ring plug and the movable ring. Preferably, a plurality of balls distributed at equal angles are arranged at the top of the fixed hinged support, and the top of each ball is contacted with the bottom of the connecting hinged support. Preferably, the right and left ends of the front face of the adjustable civil air defense door body are provided with a pointing indicator and a handle. Preferably, a sealing rubber pad attached to the door frame body is adhered to the rear side of the adjustable civil air defense door body. Preferably, a counter-insertion groove is formed between one end of the guide rail groove and the bottom of the insertion rod, and the counter-insertion groove is matched with the guide protruding block. Preferably, one end of the guiding lug is in a hemispherical structure. Preferably, the plugging rod is matched with the inner wall of the movable ring. Compared with the prior art, the utility model has the following beneficial effects: According to the utility model, by combining with the principle of hydraulic buffering, after the hydraulic flow in the upper pressure cavity and the lower pressure cavity is limited during the cooperation of the fixed hinged support, the connecting hinged support and the inserting rod, the opening and closing speeds of the adjustable civil air defense door body are basically in a constant state, the adverse factors caused by instant impact force are avoided, no additional buffering equipment is needed, the buffering cost is reduced, and the whole attractive performance is good. Drawings FIG. 1 is a schematic perspective view of the present utility model; FIG. 2 is a schematic diagram of an explosive structure according to the present utility model; FIG. 3 is a s