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CN-224213978-U - Explosion-proof cabinet body locking structure

CN224213978UCN 224213978 UCN224213978 UCN 224213978UCN-224213978-U

Abstract

The utility model discloses an explosion-proof cabinet locking structure, which relates to the field of explosion-proof appliances and comprises a door frame, wherein connecting assemblies are fixedly connected to the upper side and the lower side of the outer end of the door frame, a door plate is fixedly connected to the other end of the connecting assembly, a first locking assembly is arranged on the inner side of the door plate, second locking assemblies are arranged on the inner side of the door plate, which is positioned on the two sides of the first locking assembly, the first locking assembly comprises a first locking groove arranged on the inner side of the door plate, and a transmission gear is rotationally connected to the inner side of the first locking groove. According to the utility model, the structure is adopted, when the door is used, the operating panel rotates the transmission gear, the two control racks are driven to move under the rotation of the transmission gear, and the left locking block and the right locking block can be driven to move under the movement of the control racks, so that the left locking block and the right locking block penetrate through the door plate and are inserted into the locking grooves on the left side and the right side of the door frame, and the primary locking effect can be achieved.

Inventors

  • LU CHAO

Assignees

  • 启东防爆电器有限公司

Dates

Publication Date
20260508
Application Date
20250603

Claims (7)

  1. 1. The utility model provides an explosion-proof cabinet body locking structure, includes door frame (1), both sides all fixedly connected with coupling assembling (2) about the outer end of door frame (1), the other end fixedly connected with door plant (3) of coupling assembling (2), the inboard of door plant (3) is provided with first locking subassembly (4), the inboard of door plant (3) is located both sides of first locking subassembly (4) and all is provided with second locking subassembly (5), first locking subassembly (4) including setting up at the inboard first locking groove (41) of door plant (3), the inside rotation of first locking groove (41) is connected with drive gear (43), the inside of first locking groove (41) is located the both sides of drive gear (43) and all sliding connection have control rack (42), control rack (42) and drive gear (43) intermeshing are connected, the other end of control rack (42) all is fixedly connected with left and right locking piece (44), inside left and right sides of door frame (1) all has seted up with left and right locking piece (44) looks locking groove (18), chucking groove (18) are pegged graft each other with door plant (18).
  2. 2. The explosion-proof cabinet body locking structure of claim 1, wherein the second locking assembly (5) comprises second locking grooves (51) formed in the inner side of the door plate (3) and located on two sides of the first locking assembly (4), locking screws (52) are rotatably connected to the two inner sides of the second locking grooves (51), threaded mounting plates (53) are fixedly connected to the outer surfaces of the locking screws (52) in a threaded mode, upper and lower locking blocks (54) are fixedly connected to the upper ends of the threaded mounting plates (53), clamping grooves (18) matched with the upper and lower locking blocks (54) are formed in the upper and lower inner sides of the door frame (1), and the upper and lower locking blocks (54) penetrate through the door plate (3) and are mutually inserted into the clamping grooves (18).
  3. 3. The explosion-proof cabinet body locking structure according to claim 2, wherein the two sides of the inner part of the first locking groove (41) are rotatably connected with a connecting rotating rod (8), the outer surface of the connecting rotating rod (8) is fixedly connected with a driven bevel gear (7), the outer side of the transmission gear (43) is fixedly connected with a driving bevel gear (6), and the driving bevel gear (6) and the driven bevel gear (7) are in meshed connection.
  4. 4. The explosion-proof cabinet locking structure of claim 3, wherein the two sides of the outer surface of the connecting rotating rod (8) are fixedly connected with first bevel gears (9), one end of the locking screw rod (52) penetrates through the first locking groove (41) and is fixedly connected with a connecting rod (11), the other end of the connecting rod (11) is fixedly connected with a second bevel gear (10), and the first bevel gears (9) and the second bevel gears (10) are in meshed connection.
  5. 5. The explosion-proof cabinet locking structure of claim 4, wherein the lower end of the threaded mounting plate (53) is connected with the inside of the second locking groove (51) in a sliding mode, a limiting sliding groove (13) is formed in the second locking groove (51), a limiting sliding block (12) is fixedly connected to one side of the threaded mounting plate (53), and the limiting sliding block (12) is connected with the limiting sliding groove (13) in a sliding mode.
  6. 6. The explosion-proof cabinet locking structure according to claim 1, wherein an operation disc (14) is fixedly connected to the inner side of the transmission gear (43) penetrating through the door plate (3), a handle groove (15) is formed in the outer surface of the operation disc (14), an outer ring of a bearing (16) is fixedly connected to the outer side of the operation disc (14), and a grip (17) is fixedly connected to the inner ring of the bearing (16).
  7. 7. The explosion-proof cabinet body locking structure according to claim 1, wherein the connecting assembly (2) comprises a fixed plate (21) fixedly connected to the outer side of the door frame (1), a connecting plug post (22) is fixedly connected to the upper end of the fixed plate (21), a connecting plate (23) is fixedly connected to the outer side of the door plate (3), a connecting plug barrel (24) is fixedly connected to the other end of the connecting plate (23), and the connecting plug barrel (24) and the connecting plug post (22) are mutually inserted.

Description

Explosion-proof cabinet body locking structure Technical Field The utility model belongs to the field of explosion-proof electrical appliances, and particularly relates to an explosion-proof cabinet locking structure. Background The control cabinet belongs to electrical equipment, the switch equipment, the measuring instrument, the protection electrical equipment and the auxiliary equipment are assembled in a closed or semi-closed metal cabinet or on a screen according to electrical wiring requirements, the arrangement of the control cabinet meets the requirements of normal operation of an electrical power system, the control cabinet is convenient to overhaul, the safety of personnel and surrounding equipment is not endangered, the explosion-proof control cabinet is also called an explosion-proof electrical cabinet, and is suitable for flammable and explosive occasions, the safety coefficient is high, the operation function is strong, the performance is stable, explosion-proof products comprise dI and dIIBT, dI is suitable for a coal mine non-excavation working face, dIIBT is used for factories, and the explosion-proof control cabinet is suitable for explosive gas mixtures with environments of IIA and IIB level T1-T4 groups. In order to ensure good safety of the explosion-proof control cabinet during use, the cabinet body needs to be plugged through the door plate, most of the existing explosion-proof control cabinets are connected with the door plate on one side, the explosion-proof control cabinets can be connected, but the locking effect of the existing door plate locking structure is poor, and the better locking structure needs to lock the door plate through a plurality of working procedures, so that the door plate is particularly inconvenient and complicated to fix during use, and the explosion-proof cabinet locking structure capable of being locked rapidly is provided. Disclosure of utility model In view of the problems mentioned in the background art, an object of the present utility model is to provide an explosion-proof cabinet locking structure, so as to solve the problems mentioned in the background art. The technical aim of the utility model is realized by the following technical scheme: The utility model provides an explosion-proof cabinet body locking structure, includes the door frame, the equal fixedly connected with coupling assembling in both sides about the outer end of door frame, coupling assembling's the equal fixedly connected with door plant of the other end, the inboard of door plant is provided with first locking subassembly, the inboard of door plant is located the both sides of first locking subassembly and all is provided with second locking subassembly, first locking subassembly is including setting up the first locking groove in the door plant inboard, the inside rotation in first locking groove is connected with drive gear, the inside in first locking groove is located the equal sliding connection in both sides of drive gear has control rack, control rack and drive gear intermeshing are connected, the equal fixedly connected with left and right sides latch segment of the other end of control rack, the inside left and right sides of door frame all has been seted up with left and right sides latch segment assorted chucking groove, left and right sides latch segment runs through door plant and chucking groove peg graft each other. As the preferred technical scheme, the second locking subassembly is including seting up the second locking groove that is located first locking subassembly both sides in the door plant inboard, the inside both sides in second locking groove all rotate and are connected with locking screw, the equal threaded connection of surface of locking screw has the screw mounting board, locking piece about the equal fixedly connected with of upper end of screw mounting board, locking piece assorted chucking groove about the inside of door frame has all been seted up with, locking piece runs through door plant and chucking groove peg graft each other from top to bottom. As the preferable technical scheme, the inside both sides rotation in first locking groove is connected with the connection bull stick, the surface fixedly connected with driven bevel gear of connection bull stick, drive bevel gear is fixedly connected with in the outside of drive gear, drive bevel gear and driven bevel gear intermeshing are connected. As the preferable technical scheme, connect the equal fixedly connected with first bevel gear of bull stick's surface both sides, locking screw's one end runs through first locking groove fixedly connected with connecting rod, the other end fixedly connected with second bevel gear of connecting rod, first bevel gear and second bevel gear intermeshing are connected. As the preferable technical scheme, the lower extreme of screw mounting panel and the inside mutual sliding connection of second locking groove, spacing spout has been seted up to the insi