CN220857439U

CN220857439U - Mechanical interlocking structure for low-voltage draw-out type switch cabinet

Info

Publication number: CN220857439U
Application number: CN202322601143.5U
Authority: CN
Inventors: 乔向阳; 李丽; 孔占青
Original assignee: Henan Yikai Electric Co ltd
Current assignee: Henan Yikai Electric Co ltd
Priority date: 2023-09-25
Filing date: 2023-09-25
Publication date: 2024-04-26
Anticipated expiration: 2033-09-25

Abstract

The utility model relates to the technical field of switch cabinets and discloses a mechanical interlocking structure for a low-voltage draw-out type switch cabinet, which comprises a switch cabinet body, wherein a drawer is arranged in an inner cavity of the switch cabinet body, a plurality of partition boards are uniformly distributed on the inner wall of the switch cabinet body, clamping grooves are formed in the bottoms of the drawer and the partition boards, a circuit breaker is arranged at the bottom of the inner cavity of the drawer, a support is arranged on the outer wall of the circuit breaker, a circuit breaking connection mechanism is arranged on the inner wall of the support, and an operating mechanism is arranged on the inner wall of the circuit breaking connection mechanism. The drawer is separated from the partition plate when the breaker is opened through the operating mechanism, and then the drawer can be pulled out only by pulling the locking mechanism outwards through the hands of an operator, so that the problem that the drawer is deformed due to the fact that only one group of mechanical locking mechanisms are arranged on the existing pull-out type switch cabinet is solved.

Description

Mechanical interlocking structure for low-voltage draw-out type switch cabinet

Technical Field

The utility model relates to the technical field of switch cabinets, in particular to a mechanical interlocking structure for a low-voltage draw-out switch cabinet.

Background

The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters the main control switch in the cabinet, then enters the sub-control switch, and each shunt is arranged according to the requirement. Such as meters, automatic control, motor magnetic switches, various ac contactors, etc., and high-voltage and low-voltage switchgear, high-voltage buses, such as power plants, etc., and low-cycle relief for protecting major equipment.

When the locking mechanism is unlocked, a plurality of operators often pull the drawer out from the drawer at one time, so that the drawer is deformed.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a mechanical interlocking structure for a low-voltage draw-out type switch cabinet, which has the advantages of strong practicability and good stability, and solves the problems proposed by the background art.

The utility model provides the following technical scheme: the utility model provides a mechanical interlocking structure for low pressure pull-out type switch cabinet, includes the switch cabinet body, the drawer is installed to the inner chamber of the switch cabinet body, the inner wall evenly distributed of the switch cabinet body a plurality of baffle, the draw-in groove has all been seted up to the bottom of drawer and baffle, the circuit breaker is installed to the bottom of drawer inner chamber, the support is installed to the outer wall of circuit breaker, broken circuit coupling mechanism is installed to the inner wall of support, operating device is installed to broken circuit coupling mechanism's inner wall, drawer internally mounted has locking mechanism.

As a preferable technical scheme of the utility model, the operating mechanism comprises a square rod, a connecting block is arranged at the outer edge of the square rod, a connecting rod is arranged on the inner wall of the connecting block, a lock rod is movably connected with the outer edge of the connecting rod, a rotating block is fixedly sleeved at the outer edge of the square rod, and a limiting sheet metal is arranged at the outer edge of the lock rod.

As a preferable technical scheme of the utility model, the connecting block is connected to the square rod through screw threads.

As a preferable technical scheme of the utility model, the locking mechanism comprises a handle, a fixed column is arranged on the inner wall of the handle, a handle is movably connected to the outer edge of the fixed column, a steel wire rope is arranged on the outer wall of the handle, a lock catch is fixedly assembled at one end of the steel wire rope far away from the handle, a connecting column is arranged on the inner wall of the lock catch, a clamping column is arranged on the inner wall of the lock catch, and the clamping column is fixedly assembled on the partition plate.

As a preferable technical scheme of the utility model, the outer edge of the steel wire rope is movably sleeved with a limit sleeve, and the outer wall of the limit sleeve is clamped with a plurality of clamping blocks.

As a preferable technical scheme of the utility model, the inner wall of the handle and the inner wall of the handle are respectively fixedly provided with a first anti-drop column and a second anti-drop column, and the outer edges of the first anti-drop column and the second anti-drop column are sleeved with a reset spring.

As a preferable technical scheme of the utility model, a limiting block is arranged on the inner wall of the handle.

Compared with the prior art, the utility model has the following beneficial effects:

1. This a mechanical interlocking structure for low pressure pull-out type cubical switchboard opens the circuit breaker through operating device and separates between drawer and the baffle, needs the outward pulling locking mechanism of operating personnel's both hands just can take out the drawer this moment, has further solved the mechanical locking mechanism that only has a set of on the current pull-out type cubical switchboard, after this set of locking mechanism unblock, often has a lot of operating personnel to pull out the drawer from the once of drawer to can lead to the problem that the drawer takes place deformation.

2. This a mechanical interlocking structure for low pressure pull-out type cubical switchboard uses through operating device and locking mechanism's cooperation, makes the security of this device higher, only can take out the drawer with operating device and locking mechanism unblock in proper order, has improved operating personnel's safety greatly.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the drawer according to the present utility model;

FIG. 3 is a schematic view of the operating mechanism of the present utility model;

FIG. 4 is a schematic view of a locking mechanism according to the present utility model;

FIG. 5 is a schematic cross-sectional view of a handle of the locking mechanism of the present utility model.

In the figure: 1. a switch cabinet body; 2. a drawer; 3. a partition plate; 4. a clamping groove; 5. a circuit breaker; 6. a bracket; 7. a circuit breaking connection mechanism; 8. an operating mechanism; 801. square rods; 802. a connecting block; 803. a connecting rod; 804. a lock lever; 805. a screw; 806. a rotating block; 807. limiting metal plates; 9. a locking mechanism; 901. a handle; 902. fixing the column; 903. a handle; 904. an anti-drop column I; 905. an anti-drop column II; 906. a return spring; 907. a limiting block; 908. a wire rope; 909. a limit sleeve; 910. a clamping block; 911. locking; 912. a connecting column; 913. and (5) clamping the column.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a mechanical interlocking structure for a low-voltage draw-out type switch cabinet comprises a switch cabinet body 1, wherein a drawer 2 is installed in an inner cavity of the switch cabinet body 1, a plurality of partition boards 3 are uniformly distributed on the inner wall of the switch cabinet body 1, clamping grooves 4 are formed in bottoms of the drawer 2 and the partition boards 3, a circuit breaker 5 is installed at the bottom of the inner cavity of the drawer 2, a support 6 is installed on the outer wall of the circuit breaker 5, a circuit breaking connection mechanism 7 is installed on the inner wall of the support 6, an operating mechanism 8 is installed on the inner wall of the circuit breaking connection mechanism 7, a locking mechanism 9 is installed in the drawer 2, the circuit breaking connection mechanism 7 is driven to operate through rotation of the operating mechanism 8, so that the circuit breaker 5 is closed, at the moment, the operating mechanism 8 locks the drawer 2 on the partition boards 3, at the moment, safety of the device is improved, the drawer 2 is fixed on the partition boards 3 through the locking mechanism 9, after the operating mechanism 8 is unlocked, the drawer 2 still cannot be pulled out, and the drawer 2 can be pulled out only through the unlocking locking mechanism 9, so that the risk of sliding of the drawer 2 is avoided.

In a preferred embodiment, the operating mechanism 8 comprises a square rod 801, a connecting block 802 is mounted on the outer edge of the square rod 801, a connecting rod 803 is mounted on the inner wall of the connecting block 802, a lock rod 804 is movably connected to the outer edge of the connecting rod 803, a rotating block 806 is fixedly sleeved on the outer edge of the square rod 801, a limit metal plate 807 is arranged on the outer edge of the lock rod 804, the square rod 801, the connecting block 802 and the connecting rod 803 are rotated by 90 degrees through rotating the rotating block 806 anticlockwise, at the moment, the lock rod 804 moves upwards, the lock rod 804 leaves the clamping groove 4, the drawer 2 can be pulled out in the unlocking state of the locking mechanism 9, the limit metal plate 807 plays a limiting role, the lock rod 804 moves in the limit metal plate 807, and the lock rod 804 is convenient to insert into the clamping groove 4.

In a preferred embodiment, the connection block 802 is screwed onto the square bar 801 by a screw 805, so that the lock bar 804 is worn out after a long period of use, and the connection block 802 and the lock bar 804 can be removed and replaced by unscrewing the screw 805.

In a preferred embodiment, the locking mechanism 9 includes a handle 903, a fixed column 902 is installed on an inner wall of the handle 901, a handle 903 is movably connected to an outer edge of the fixed column 902, a wire rope 908 is installed on an outer wall of the handle 903, a lock catch 911 is fixedly assembled at one end of the wire rope 908 away from the handle 903, a connecting column 912 is installed on an inner wall of the lock catch 911, a clamping column 913 is arranged on an inner wall of the lock catch 911, the clamping column 913 is fixedly assembled on the partition 3, the wire rope 908 is driven to move by pulling the handle 903, so that the wire rope 908 drives the lock catch 911 to move on the connecting column 912, the lock catch 911 is separated from the clamping column 913, and the drawer 2 can be pulled out at this time.

In a preferred embodiment, the outer edge of the wire rope 908 is movably sleeved with a limiting sleeve 909, the outer wall of the limiting sleeve 909 is clamped with a plurality of clamping blocks 910, and the design of the clamping blocks 910 is utilized to enable the limiting sleeve 909 to keep a horizontal line, so that the wire rope 908 can conveniently move on the limiting sleeve 909, and the locking device 911 is beneficial to the movement of the locking device.

In a preferred embodiment, the inner wall of the handle 903 and the inner wall of the handle 901 are fixedly provided with a first anti-falling post 904 and a second anti-falling post 905 respectively, the outer edges of the first anti-falling post 904 and the second anti-falling post 905 are sleeved with a return spring 906, and the return spring 906 has elastic property, so that after the return spring 906 is released when being extruded by force, the return spring 906 can rebound the handle 903, so that the wire rope 908 rebounds, and the lock catch 911 is locked on the clamping post 913.

In a preferred embodiment, the inner wall of the handle 901 is provided with a limiting block 907, and the design of the limiting block 907 is utilized, so that the limiting block 907 can limit the handle 903, and the situation that the return spring 906 falls down due to an excessive included angle between the handle 903 and the handle 901 is prevented, thereby improving the stability of the device.

When the drawer 2 is used, the rotating block 806 is rotated 90 degrees anticlockwise, so that the square rod 801, the connecting block 802 and the connecting rod 803 are rotated 90 degrees, the lock rod 804 moves upwards at the moment, the lock rod 804 leaves the clamping groove 4, the pull handle 903 is pulled to drive the steel wire rope 908 to move, the steel wire rope 908 moves in the limiting sleeve 909, the lock catch 911 rotates around the connecting column 912, the lock catch 911 is separated from the clamping column 913, and the drawer 2 can be pulled out at the moment.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Mechanical interlocking structure for low-voltage draw-out type switch cabinet, comprising a switch cabinet body (1), and being characterized in that: drawer (2) are installed to the inner chamber of the cubical switchboard cabinet body (1), a plurality of baffle (3) of inner wall evenly distributed of the cubical switchboard cabinet body (1), draw-in groove (4) have all been seted up to the bottom of drawer (2) and baffle (3), circuit breaker (5) are installed to the bottom of drawer (2) inner chamber, support (6) are installed to the outer wall of circuit breaker (5), broken circuit coupling mechanism (7) are installed to the inner wall of support (6), operating device (8) are installed to the inner wall of broken circuit coupling mechanism (7), drawer (2) internally mounted has locking mechanism (9).

2. A mechanical interlock for a low voltage draw out switchgear as claimed in claim 1, wherein: operating device (8) are including square pole (801), connecting block (802) are installed along the outer edge of square pole (801), connecting rod (803) are installed to the inner wall of connecting block (802), the outer edge swing joint of connecting rod (803) has locking lever (804), rotatory piece (806) has been cup jointed along fixed the outer edge of square pole (801), the outer edge of locking lever (804) is equipped with spacing panel beating (807).

3. A mechanical interlock for a low voltage draw out switchgear as claimed in claim 2, wherein: the connecting block (802) is connected to the square rod (801) through a screw rod (805) in a threaded mode.

4. A mechanical interlock for a low voltage draw out switchgear as claimed in claim 1, wherein: locking mechanism (9) are including handle (901), fixed column (902) are installed to the inner wall of handle (901), the outer edge swing joint of fixed column (902) has handle (903), wire rope (908) are installed to the outer wall of handle (903), one end fixed mounting that handle (903) were kept away from to wire rope (908) has hasp (911), spliced pole (912) are installed to the inner wall of hasp (911), the inner wall of hasp (911) is equipped with card post (913), card post (913) fixed mounting is on baffle (3).

5. A mechanical interlock for a low voltage draw out switchgear as claimed in claim 4, wherein: the outer edge of the steel wire rope (908) is movably sleeved with a limiting sleeve (909), and the outer wall of the limiting sleeve (909) is clamped with a plurality of clamping blocks (910).

6. A mechanical interlock for a low voltage draw out switchgear as claimed in claim 5, wherein: the inner wall of handle (903) and the inner wall of handle (901) are fixed respectively and are equipped with anticreep post one (904) and anticreep post two (905), reset spring (906) have been cup jointed with the outer edge of anticreep post one (904) and anticreep post two (905).

7. A mechanical interlock for a low voltage draw out switchgear as claimed in claim 5, wherein: a limiting block (907) is arranged on the inner wall of the handle (901).