CN111550132A

CN111550132A - Locking structure on switch cabinet

Info

Publication number: CN111550132A
Application number: CN202010353194.9A
Authority: CN
Inventors: 潘建礼
Original assignee: Hangzhou Youpu Information Technology Co ltd
Current assignee: Hangzhou Youpu Information Technology Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-08-18

Abstract

The invention discloses a locking structure on a switch cabinet, which comprises a cabinet body and a cabinet door, wherein a flanging is formed on the periphery of the cabinet body, an L-shaped door frame is formed on the inner side edge of the flanging, a folding edge opposite to the door frame is formed on the side edge of the cabinet door, the folding edge on the cabinet door is inserted in the door frame of the cabinet body, an L-shaped locking plate is fixed on the inner wall of the cabinet body close to the cabinet door, the locking plate consists of a transverse part parallel to the cabinet door and a longitudinal part vertical to the cabinet door, a kidney-shaped hole-shaped locking hole is formed on the transverse part of the locking plate, a locking block with a kidney-shaped hole opposite to the locking hole is abutted on the rear end surface of the transverse part of the locking plate, a screw rod vertical to the cabinet door is formed on the locking block, the screw rod is inserted in a positioning sleeve, the front end surface of the positioning sleeve is abutted on the inner wall of the cabinet door, a threaded sleeve is.

Description

Locking structure on switch cabinet

Technical Field

The invention relates to the technical field of switch cabinets, in particular to a locking structure on a switch cabinet.

Background

At present, the cubical switchboard belongs to distribution equipment, the security is vital, in order to guarantee the security of cubical switchboard, need set up blocking device between cabinet door and the door body, present general blocking device structure is complicated, complex operation, and a large amount of inner space of cubical switchboard has been occupied, just also occupy circuit breaker assembly cabinet, the installation space of electrical component such as contact, the space of whole cubical switchboard has been increased, also there are some simple structure's cubical switchboard shutting simultaneously, the blocking structure of single locking plate on this type of cubical switchboard shutting borrows ordinary cabinet body, but its locking plate intensity of blocking structure is weak, easy deformation, and when closing the door occasionally, because the locking plate distributes in the cabinet door outside, can collide with the door frame of the cabinet body, lead to the deformation of the door frame and the deformation of locking plate.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a locking structure on a switch cabinet, which is simple in structure and does not occupy a large amount of internal space of the switch cabinet; and the locking structure in the cabinet body has high strength and is not easy to deform.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a locking structure on a switch cabinet comprises a cabinet body and a cabinet door, wherein a flanging is formed at the periphery of the cabinet body, an L-shaped door frame is formed on the inner side edge of the flanging, a folding edge opposite to the door frame is formed on the side edge of the cabinet door, the folding edge on the cabinet door is inserted into the door frame of the cabinet body, an L-shaped locking plate is fixed on the inner wall of the cabinet body close to the cabinet door, the locking plate consists of a transverse part parallel to the cabinet door and a longitudinal part vertical to the cabinet door, a kidney-shaped hole-shaped locking hole is formed on the transverse part of the locking plate, a locking block with a kidney-shaped hole opposite to the locking hole is abutted on the rear end surface of the transverse part of the locking plate, a screw rod vertical to the cabinet door is formed on the locking block, the screw rod is inserted into a positioning sleeve, the front end surface of the positioning sleeve is abutted on the inner wall of the cabinet door, a screw sleeve is formed on the, the screw rod is fixed with a limit sleeve in a screwed mode, the limit sleeve is located between the screw sleeve and the fixed sleeve, a gasket and a spring are sleeved on the screw rod in an inserted mode, two ends of the spring are pressed on the locating sleeve and the gasket respectively, and the gasket is pressed on the front end face of the transverse portion of the locking plate.

Preferably, the front end face of the cabinet body and the front end face of the cabinet door are on the same plane.

Preferably, the length of the lock hole on the lock plate is not less than the length of the lock block, the width of the lock hole is not less than the width of the lock block, the length of the lock block is greater than the width of the lock hole, a reinforcing support piece is formed on the transverse part of the lock plate, and the reinforcing support piece is fixed on the inner part of the cabinet body.

Preferably, the threaded sleeve of the positioning sleeve is inserted and sleeved with a sealing ring, and the sealing ring is clamped between the fixed sleeve and the front end face of the cabinet door.

Preferably, the diameter of the outer wall of the gasket is larger than the width of the locking hole on the locking piece.

Preferably, the distance between the bottom surface of the inner side of the fixed sleeve and the front end surface of the threaded sleeve is equal to the thickness of the limiting sleeve.

The invention has the beneficial effects that:

(2) the structure is simple, and a large amount of internal space of the switch cabinet can not be occupied; and the locking structure in the cabinet body has high strength and is not easy to deform.

(2) When the cabinet door of the switch cabinet is opened, the switch cabinet can be automatically bounced off the switch cabinet, so that the cabinet door can be conveniently opened.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is a side view of the present invention;

fig. 4 is a schematic sectional view at a-a in fig. 3.

In the figure: 1. a cabinet body; 11. flanging; 12. a door frame; 2. a cabinet door; 21. folding edges; 3. a locking plate; 31. a lock hole; 32. a reinforcing brace; 4. a locking block; 41. a screw; 5. a positioning sleeve; 51. a threaded sleeve; 6. a spring; 7. a gasket; 8. a limiting sleeve; 9. fixing a sleeve; 10. a handle; 20. and (4) a sealing ring.

Detailed Description

Example (b): as shown in fig. 1 to 4, a locking structure on a switch cabinet comprises a cabinet body 1 and a cabinet door 2, wherein a flange 11 is formed on the periphery of the cabinet body 1, an L-shaped door frame 12 is formed on the inner side edge of the flange 11, a flange 21 opposite to the door frame 12 is formed on the side edge of the cabinet door 2, the flange 21 on the cabinet door 2 is inserted into the door frame 12 of the cabinet body 1, an L-shaped locking plate 3 is fixed on the inner wall of the cabinet body 1 close to the cabinet door 2, the locking plate 3 is composed of a transverse part parallel to the cabinet door 2 and a longitudinal part perpendicular to the cabinet door 2, a waist-shaped hole-shaped locking hole 31 is formed on the transverse part of the locking plate 3, a locking block 4 opposite to the locking hole 31 is abutted against the rear end surface of the transverse part of the locking plate 3, a screw rod 41 perpendicular to the cabinet door 2 is formed on the locking block 4, the screw rod 41 is inserted into a positioning cabinet door sleeve 5, the front end surface of the positioning sleeve 5 is abutted against the inner, the swivel nut 51 passes cabinet door 2 spiro union has fixed cover 9, the front end of screw rod 41 passes fixed cover 9 spiro union has handle 10, the spiro union is fixed with stop collar 8 on the screw rod 41, stop collar 8 is located between swivel nut 51 and the fixed cover 9, screw rod 41 go up the plug bush have packing ring 7 and spring 6, the both ends of spring 6 press respectively on position sleeve 5 and packing ring 7, packing ring 7 presses on the preceding terminal surface of the horizontal portion of locking plate 3.

The front end face of the cabinet body 1 and the front end face of the cabinet door 2 are on the same plane.

The length of lockhole 31 is not less than the length of locking piece 4 on the locking plate 3, and the width of lockhole 31 is not less than the width of locking piece 4, and the length of locking piece 4 is greater than the width of lockhole 31, the shaping has the enhancement piece 32 in the horizontal portion of locking plate 3, strengthens piece 32 and fixes on the inside of the cabinet body 1.

The screw sleeve 51 of the positioning sleeve 5 is inserted with a sealing ring 20, and the sealing ring 20 is clamped between the fixed sleeve 9 and the front end face of the cabinet door 2.

The diameter of the outer wall of the washer 7 is larger than the width of the locking hole 31 on the locking plate 3.

The distance between the bottom surface of the inner side of the fixed sleeve 9 and the front end surface of the screw sleeve 51 is equal to the thickness of the limiting sleeve 8.

The working principle is as follows: the invention relates to a locking structure on a switch cabinet, which has a simple structure and small occupied space; the switch cabinet is opened in the following manner, as shown in fig. 4, by rotating the handle 10, the lock block 4 can be rotated, so that the lock block 4 can coincide with the lock hole 31 on the lock plate 3, and under the action of the spring 6, the lock block 4 can be separated from the lock hole 31 on the lock plate 3, and the cabinet door 2 can be automatically bounced off from the cabinet body 1; the connecting structure between the locking plate 3 and the locking block 4 has high strength, and the locking plate has high strength and is not easy to deform in collision.

The examples are intended to illustrate the invention, but not to limit it. The described embodiments may be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the appended claims should be accorded the full scope of the invention as set forth in the appended claims.

Claims

1. The utility model provides a locking structure on cubical switchboard, includes the cabinet body (1) and cabinet door (2), and the peripheral shaping of the cabinet body (1) has turn-ups (11), and the shaping has door frame (12) of L shape on the inboard side of turn-ups (11), the shaping has hem (21) relative with door frame (12) on the side of cabinet door (2), and hem (21) on cabinet door (2) are inserted and are established in door frame (12) of the cabinet body (1), its characterized in that: the cabinet body (1) is close to the inner wall of the cabinet door (2) and is fixed with an L-shaped locking plate (3), the locking plate (3) consists of a transverse part parallel to the cabinet door (2) and a longitudinal part vertical to the cabinet door (2), a waist-shaped hole-shaped lock hole (31) is formed in the transverse part of the locking plate (3), a lock block (4) opposite to the lock hole (31) is abutted against the rear end face of the transverse part of the locking plate (3), a screw rod (41) vertical to the cabinet door (2) is formed in the lock block (4), the screw rod (41) is inserted in the positioning sleeve (5), the front end face of the positioning sleeve (5) is abutted against the inner wall of the cabinet door (2), a threaded sleeve (51) is formed in the front end face of the positioning sleeve (5), the threaded sleeve (51) penetrates through the cabinet door (2) and is connected with a fixed sleeve (9), the front end of the screw rod (41) penetrates through the fixed sleeve (9) and is connected with a handle (10), and a limit sleeve (8) is, the limiting sleeve (8) is positioned between the threaded sleeve (51) and the fixed sleeve (9), the screw rod (41) is sleeved with the gasket (7) and the spring (6), two ends of the spring (6) are pressed on the positioning sleeve (5) and the gasket (7) respectively, and the gasket (7) is pressed on the front end face of the transverse part of the locking plate (3).

2. The locking structure on a switch cabinet according to claim 1, characterized in that: the front end face of the cabinet body (1) and the front end face of the cabinet door (2) are on the same plane.

3. The locking structure on a switch cabinet according to claim 1, characterized in that: the length of lockhole (31) is not less than the length of locking piece (4) on locking plate (3), and the width of lockhole (31) is not less than the width of locking piece (4), and the length of locking piece (4) is greater than the width of lockhole (31), the shaping has enhancement piece (32) in the horizontal portion of locking plate (3), strengthens piece (32) and fixes on the inside of the cabinet body (1).

4. The locking structure on a switch cabinet according to claim 1, characterized in that: and a sealing ring (20) is inserted and sleeved on a threaded sleeve (51) of the positioning sleeve (5), and the sealing ring (20) is clamped between the fixed sleeve (9) and the front end face of the cabinet door (2).

5. The locking structure on a switch cabinet according to claim 1, characterized in that: the diameter of the outer wall of the gasket (7) is larger than the width of the lock hole (31) on the lock plate (3).

6. The locking structure on a switch cabinet according to claim 1, characterized in that: the distance between the bottom surface of the inner side of the fixed sleeve (9) and the front end surface of the threaded sleeve (51) is equal to the thickness of the limiting sleeve (8).