CN211628927U

CN211628927U - Interlocking cabinet door for switch cabinet

Info

Publication number: CN211628927U
Application number: CN202020495678.2U
Authority: CN
Inventors: 蔡文华
Original assignee: Yangzhong Shenhua Electric Instrument Equipment Co ltd
Current assignee: Yangzhong Shenhua Electric Instrument Equipment Co ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2020-10-02
Anticipated expiration: 2030-04-07

Abstract

The utility model belongs to the technical field of electrical apparatus, especially, be an interlocking type cabinet door for cubical switchboard, including cabinet door body and the installation piece of fixed mounting in the cubical switchboard, fixed mounting has the casing on the cabinet door body, the through-hole has been seted up on the top inner wall of casing, it has the pivot to rotate on the installation piece, the sliding tray has been seted up in the pivot, slidable mounting has the slide bar in the sliding tray, the bottom of slide bar extends to in the casing and fixed mounting has the turning block, the top fixed mounting of slide bar has the connecting rod, the sliding sleeve is equipped with the spring on the connecting rod, the bottom and the slide bar fixed connection of spring, the top of spring and the inner wall fixed connection of sliding tray, the cavity has been seted up in the pivot. The utility model is simple in operation, the practicality is strong, and pure mechanical structure, safe and reliable is not fragile, can effectually prevent the emergence of electric shock accident.

Description

Interlocking cabinet door for switch cabinet

Technical Field

The utility model relates to the technical field of electrical apparatus, especially, relate to an interlocking type cabinet door for cubical switchboard.

Background

The main effect of cubical switchboard is at the in-process that power generation, transmission of electricity, distribution and electric energy conversion were carried out to electric power system, opens and shuts, control and protection consumer, and the cubical switchboard is equipped with interlocking device, makes the cubical switchboard operation, and ground protection switch is in the off-state, and the cabinet door can not be opened, prevents that personnel are injured or equipment from damaging, and when the cubical switchboard did not operate, ground protection switch was closed, and the cabinet door can be opened.

However, in the prior art, the switch cabinet is interlocked through electromagnetism, when the switch cabinet does not operate, the opening delay is large, and the electromagnetism is prone to failure in an electric field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an interlocking cabinet door for a switch cabinet.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an interlocking cabinet door for a switch cabinet comprises a cabinet door body and an installation block fixedly installed in the switch cabinet, wherein a shell is fixedly installed on the cabinet door body, a through hole is formed in the inner wall of the top of the shell, a rotating shaft is rotatably installed on the installation block, a sliding groove is formed in the rotating shaft, a sliding rod is slidably installed in the sliding groove, the bottom end of the sliding rod extends into the shell and is fixedly provided with a rotating block, a connecting rod is fixedly installed at the top end of the sliding rod, a spring is sleeved on the connecting rod in a sliding mode, the bottom end of the spring is fixedly connected with the sliding rod, the top end of the spring is fixedly connected with the inner wall of the sliding groove, a cavity is formed in the rotating shaft, the top end of the connecting rod extends into the cavity and is fixedly installed with a support, the support extends out of the cavity and is symmetrically and fixedly installed, the clamping grooves are matched with the corresponding clamping blocks.

Preferably, four sliding holes are symmetrically formed in the inner wall of the cavity, and the inner wall of each sliding hole is connected with the support in a sliding mode.

Preferably, an arc-shaped groove is formed in the rotating shaft, and the radian of the arc-shaped groove is 90 degrees.

Preferably, the mounting block is fixedly provided with a limiting rod, and the limiting rod is connected with the inner wall of the arc-shaped groove in a sliding manner.

Preferably, two limiting grooves are symmetrically formed in the inner wall of the sliding groove, two limiting blocks are symmetrically and fixedly mounted on the sliding rod, and the limiting blocks are connected with the inner wall of the limiting grooves in a sliding mode.

Preferably, the mounting block is provided with a rotating hole, and the inner wall of the rotating hole is rotatably connected with the rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, the device is matched with a clamping groove through a cabinet door body, a shell, a through hole, a rotating shaft, a sliding rod, a rotating block, a connecting rod, a spring, a bracket, a clamping block and a clamping groove, when a switch cabinet runs, a grounding protection switch is in a disconnected state, the rotating block is transversely arranged in the shell, the rotating block cannot move out of the shell from the through hole, at the moment, the cabinet door body cannot be opened, and at the moment, the spring is in a compressed state; when the cabinet door body 1 needs to be opened, an operating shaft of the grounding protection switch needs to be rotated by 90 degrees, so that the grounding protection switch closes a brake, at the moment, the operating shaft drives the rotating shaft to rotate by 90 degrees, the rotating shaft drives the sliding rod to rotate by 90 degrees, the sliding rod drives the rotating block to rotate by 90 degrees, so that the rotating block corresponds to the through hole, at the moment, the cabinet door body can be opened, and meanwhile, under the elastic action of the spring, the sliding rod is driven to move downwards, the sliding rod drives the connecting rod to move downwards, the connecting rod drives the bracket to move downwards, so that a clamping block positioned on the bracket enters a corresponding clamping groove, at the moment, the rotating shaft is locked and cannot rotate, so that the operating shaft of the grounding protection switch cannot rotate, and the grounding protection switch is prevented from being disconnected;

the utility model is simple in operation, the practicality is strong, and pure mechanical structure, safe and reliable is not fragile, can effectually prevent the emergence of electric shock accident.

Drawings

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

FIG. 2 is a schematic view of a connection structure of the housing and the rotating block in FIG. 1;

FIG. 3 is a schematic cross-sectional view of the rotating shaft of FIG. 1;

fig. 4 is a schematic structural view of the stent of fig. 1.

In the figure: 1. a cabinet door; 2. mounting blocks; 3. a housing; 4. a through hole; 5. a rotating shaft; 6. a sliding groove; 7. a slide bar; 8. rotating the block; 9. a connecting rod; 10. a spring; 11. a cavity; 12. a support; 13. a clamping block; 14. a card slot; 15. a slide hole; 16. an arc-shaped slot; 17. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an interlocking cabinet door for a switch cabinet comprises a cabinet door body 1 and an installation block 2 fixedly installed in the switch cabinet, a shell 3 is fixedly installed on the cabinet door body 1, a through hole 4 is formed in the inner wall of the top of the shell 3, a rotating shaft 5 is rotatably installed on the installation block 2, a sliding groove 6 is formed in the rotating shaft 5, a sliding rod 7 is slidably installed in the sliding groove 6, the bottom end of the sliding rod 7 extends into the shell 3 and is fixedly provided with a rotating block 8, the top end of the sliding rod 7 is fixedly provided with a connecting rod 9, a spring 10 is slidably sleeved on the connecting rod 9, the bottom end of the spring 10 is fixedly connected with the sliding rod 7, the top end of the spring 10 is fixedly connected with the inner wall of the sliding groove 6, a cavity 11 is formed in the rotating shaft 5, the top end of the connecting rod 9 extends into the cavity 11 and is fixedly provided with a support 12, four clamping grooves 14 are symmetrically formed in the mounting block 2, and the clamping grooves 14 are matched with the corresponding clamping blocks 13;

four sliding holes 15 are symmetrically arranged on the inner wall of the cavity 11, the inner wall of the sliding hole 15 is connected with the bracket 12 in a sliding way, the rotating shaft 5 is provided with an arc-shaped groove 16, the radian of the arc-shaped groove 16 is 90 degrees, the mounting block 2 is fixedly provided with a limiting rod 17, the limiting rod 17 is connected with the inner wall of the arc-shaped groove 16 in a sliding way, the inner wall of the sliding groove 6 is symmetrically provided with two limiting grooves, the sliding rod 7 is symmetrically and fixedly provided with two limiting blocks, the limiting blocks are connected with the inner wall of the limiting grooves in a sliding way, the mounting block 2 is provided with a rotating hole, the inner wall of the rotating hole is connected with the rotating shaft 5 in a rotating way, the device is matched with the rotating shaft 5, the sliding rod 7, the rotating block 8, the connecting rod 9, the spring 10, the bracket 12, the clamping block 13 and the clamping groove 14 through the cabinet door body 1, the shell, the rotating block 8 cannot move out of the shell 3 from the through hole 4, at the moment, the cabinet door body 1 cannot be opened, and at the moment, the spring 10 is in a compressed state; when the cabinet door body 1 needs to be opened, an operating shaft of the grounding protection switch needs to be rotated by 90 degrees, so that the grounding protection switch closes a brake, at the moment, the operating shaft drives the rotating shaft 5 to rotate by 90 degrees, the rotating shaft 5 drives the sliding rod 7 to rotate by 90 degrees, the sliding rod 7 drives the rotating block 8 to rotate by 90 degrees, so that the rotating block 8 corresponds to the through hole 4, at the moment, the cabinet door body 1 can be opened, meanwhile, under the elastic force action of the spring 10, the sliding rod 7 is driven to move downwards, the sliding rod 7 drives the connecting rod 9 to move downwards, the connecting rod 9 drives the bracket 12 to move downwards, so that the clamping block 13 on the bracket 12 enters the corresponding clamping groove 14, at the moment, the rotating shaft 5 is locked and cannot rotate, so that the operating shaft of the grounding protection switch cannot rotate, and the grounding protection switch is prevented from being disconnected due to misoperation after; the utility model is simple in operation, the practicality is strong, and pure mechanical structure, safe and reliable is not fragile, can effectually prevent the emergence of electric shock accident.

The working principle is as follows: in the device, a rotating shaft 5 is fixedly connected with an operating shaft of a grounding protection switch, so that the rotating shaft 5 can rotate along with the grounding protection switch;

when the switch cabinet operates, the grounding protection switch is in an off state, the rotating block 8 is transversely arranged in the shell 3, the rotating block 8 cannot move out of the shell 3 from the through hole 4, the cabinet door body 1 cannot be opened at the moment, and the spring 10 is in a compressed state at the moment;

when the cabinet door body 1 needs to be opened, the operating shaft of the ground protection switch needs to be rotated by 90 degrees, so that the ground protection switch closes the brake, at the moment, the operating shaft drives the rotating shaft 5 to rotate by 90 degrees, the rotating shaft 5 drives the sliding rod 7 to rotate by 90 degrees, the sliding rod 7 drives the rotating block 8 to rotate by 90 degrees, so that the rotating block 8 corresponds to the through hole 4, at the moment, the cabinet door body 1 can be opened, meanwhile, under the elastic action of the spring 10, the sliding rod 7 is driven to move downwards, the sliding rod 7 drives the connecting rod 9 to move downwards, the connecting rod 9 drives the support 12 to move downwards, so that the clamping block 13 positioned on the support 12 enters the corresponding clamping groove 14, at the moment, the rotating shaft 5 is locked and cannot rotate, so that the operating shaft of the ground protection switch cannot rotate, and the ground protection switch is prevented from being disconnected due to misoperation after.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of this design principle, the settings of the power mechanism, the power supply system, the control system, etc. of the device are not completely described, and the details of the power mechanism, the power supply system, and the control system can be clearly known on the premise that those skilled in the art understand the principle of the present invention.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an interlocking formula cabinet door for cubical switchboard, includes cabinet door body (1) and fixed mounting installation piece (2) in the cubical switchboard, its characterized in that: fixed mounting has casing (3) on cabinet door body (1), through-hole (4) have been seted up on the top inner wall of casing (3), it installs pivot (5) to rotate on installation piece (2), sliding tray (6) have been seted up on pivot (5), slidable mounting has slide bar (7) in sliding tray (6), the bottom of slide bar (7) extends to in casing (3) and fixed mounting has turning block (8), the top fixed mounting of slide bar (7) has connecting rod (9), the sliding sleeve is equipped with spring (10) on connecting rod (9), the bottom and the slide bar (7) fixed connection of spring (10), the top of spring (10) and the inner wall fixed connection of sliding tray (6), cavity (11) have been seted up on pivot (5), the top of connecting rod (9) extends to in cavity (11) and fixed mounting has support (12), the bracket (12) extends to the outside of the cavity (11) and is symmetrically and fixedly provided with four clamping blocks (13), the mounting block (2) is symmetrically provided with four clamping grooves (14), and the clamping grooves (14) are matched with the corresponding clamping blocks (13).

2. An interlocked door for a switchgear cabinet as claimed in claim 1, wherein: four sliding holes (15) are symmetrically formed in the inner wall of the cavity (11), and the inner wall of each sliding hole (15) is connected with the support (12) in a sliding mode.

3. An interlocked door for a switchgear cabinet as claimed in claim 1, wherein: an arc-shaped groove (16) is formed in the rotating shaft (5), and the radian of the arc-shaped groove (16) is 90 degrees.

4. An interlocked door for a switchgear cabinet as claimed in claim 3, wherein: the mounting block (2) is fixedly provided with a limiting rod (17), and the limiting rod (17) is connected with the inner wall of the arc-shaped groove (16) in a sliding manner.

5. An interlocked door for a switchgear cabinet as claimed in claim 1, wherein: two limiting grooves are symmetrically formed in the inner wall of the sliding groove (6), two limiting blocks are symmetrically and fixedly mounted on the sliding rod (7), and the limiting blocks are connected with the inner wall of the limiting grooves in a sliding mode.

6. An interlocked door for a switchgear cabinet as claimed in claim 1, wherein: the mounting block (2) is provided with a rotating hole, and the inner wall of the rotating hole is rotatably connected with the rotating shaft (5).