CN220184914U - Valve locking device of switch cabinet - Google Patents

Abstract

The utility model discloses a valve locking device of a switch cabinet, which comprises a fixed seat, wherein a first pin shaft is arranged at the top of the fixed seat, a limiting ring is rotationally connected to the outer wall of the first pin shaft, a connecting plate is fixedly connected to the limiting ring, a first sliding block is hinged to the right side of the connecting plate, a movable door is arranged at the rear side of the first sliding block, a movable plate is connected to the bottom of the fixed seat in a sliding manner, a movable seat is connected to the left side of the movable plate, a second pin shaft is arranged at the top of the movable seat, a limiting plate is hinged to the second pin shaft, and a first spring is arranged between the two limiting plates.

Description

Valve locking device of switch cabinet

Technical Field

The utility model relates to the technical field of switch cabinets, in particular to a valve locking device of a switch cabinet.

Background

The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of generating, transmitting, distributing and converting electric energy of the electric power system. The movable type switch cabinet can be divided into a movable switch cabinet and a fixed switch cabinet according to the installation mode of the circuit breaker, wherein the circuit breaker of the movable switch cabinet is installed on a movable handcart, and a fixed contact is installed in the switch cabinet and is connected with a high-voltage line and still can be electrified after being disconnected. When the existing switch cabinet is overhauled, after the handcart is moved out of the cabinet, the valve baffle can not be automatically locked and can be easily opened, and once misoperation occurs, electric shock accidents are easily caused, so that personal safety of workers is endangered.

Based on the above, the utility model designs a valve locking device of a switch cabinet to solve the above problems.

Disclosure of Invention

The utility model aims to provide a valve locking device of a switch cabinet, which solves the problems that the valve baffle of the device cannot be automatically locked, can be easily opened, is easy to cause electric shock accidents and endangers personal safety of staff.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cubical switchboard valve blocking device, includes the fixing base, the fixing base top is provided with two upper and lower first round pins, first round pin outer wall rotates and is connected with the spacing ring, fixedly connected with connecting plate on the spacing ring, the connecting plate right side articulates there is first slider, first slider sliding connection on the slide rail, the slide rail is fixed to be set up on the cubical switchboard lateral wall, the dodge gate is installed to first slider rear side, dodge gate and cubical switchboard lateral wall sliding connection;

the fixed seat bottom sliding connection has the fly leaf, fly leaf left side fixedly connected with movable seat, the movable seat top is provided with the second round pin axle, the second is epaxial to be articulated have with two limiting plates of spacing ring matched with, two be provided with first spring between the limiting plate.

Preferably, the limiting plate is provided with an arc limiting groove matched with the limiting ring.

Preferably, a push plate is arranged on the front side of the movable seat.

Preferably, a second spring is arranged between the upper connecting plate and the lower connecting plate.

Preferably, a sliding groove is formed in the bottom of the fixed seat, and a second sliding block matched with the sliding groove in the direction is arranged at the right end of the movable plate.

Preferably, a connecting rod is arranged at the top of the fixing seat, and the top of the connecting rod is in sliding connection with the bottom surface of the top of the switch cabinet.

Compared with the prior art, the utility model has the beneficial effects that: the movable seat is arranged on one hand, when the handcart extrudes the movable seat, the movable seat moves backwards, the upper limiting plate and the lower limiting plate are opened, the connecting plates are movable, the movable seat drives the fixed seat to move rightwards, the upper connecting plate and the lower connecting plate are outwards rotated, the two first sliding blocks are driven to be separated vertically, the movable door is automatically opened, the handcart enters the switch cabinet, the circuit breaker is in contact with the fixed contact to realize electrifying, and the switch cabinet can work normally; on the other hand, after the handcart is pushed out of the switch cabinet, the second spring drives the upper connecting plate and the lower connecting plate to be close to each other, the movable door is closed, the first spring drives the limiting plate to restore to the original position, the limiting plate is matched with the limiting ring to limit the movement of the connecting plate, and the position of the movable plate is fixed, so that the movable door is automatically locked.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a latch-up condition of the present utility model;

FIG. 2 is a schematic diagram of an active state structure of the present utility model;

FIG. 3 is a front view of the latching mechanism of the present utility model;

FIG. 4 is a rear view of the latching mechanism of the present utility model;

FIG. 5 is a top view of the latching mechanism of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a fixing seat; 2. a first pin; 3. a connecting plate; 4. a first slider; 5. a slide rail; 6. a movable door; 7. a switch cabinet; 8. a limiting ring; 9. a movable plate; 10. a movable seat; 11. a second pin; 12. a limiting plate; 13. a first spring; 14. an arc-shaped limit groove; 15. a push plate; 16. a second spring; 17. a connecting rod; 18. a chute; 19. and a second slider.

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, the present utility model provides a technical solution: the utility model provides a cubical switchboard valve blocking device, including fixing base 1, fixing base 1 top is provided with two upper and lower first round pins 2, first round pin 2 outer wall rotates and is connected with spacing ring 8, fixedly connected with connecting plate 3 on the spacing ring 8, connecting plate 3 right side articulates there is first slider 4, first slider 4 sliding connection on slide rail 5, slide rail 5 is fixed to be set up on the cubical switchboard 7 lateral wall, dodge gate 6 is installed to first slider 4 rear side, dodge gate 6 and cubical switchboard 7 lateral wall sliding connection, fixing base 1 bottom sliding connection has fly leaf 9, fly leaf 9 left side fixedly connected with movable seat 10, the movable seat 10 top is provided with second round pin axle 11, the last articulated two limiting plates 12 that match with spacing ring 8 of second round pin axle 11, be provided with first spring 13 between two limiting plates 12.

Wherein, be provided with on the limiting plate 12 with spacing ring 8 matched with arc spacing groove 14 for the rotation of limiting ring 8, and then the rotation of limiting connection board 3, the movable seat 10 front side is provided with push pedal 15, push pedal 15 is the slope form, the push of handcart of being convenient for, make the handcart act on movable seat 10 with the effect on, be provided with second spring 16 between upper and lower two connecting plates 3, the reset of two upper and lower connecting plates 3 of being convenient for, fixing base 1 bottom is provided with spout 18, movable plate 9 right side tip is provided with and spout 18 to matched with second slider 19, the sliding connection of movable seat 10 and fixing base 1 of being convenient for, the fixing base 1 top is provided with connecting rod 17, connecting rod 17 top and switch cabinet 7 top bottom surface sliding connection, be used for assisting the stable left and right movement of fixing base 1.

One specific application of this embodiment is: when the handcart is pushed out for maintenance, the acting force borne by the movable seat 10 disappears, the first spring 13 is required to restore to the original shape, the first spring 13 drives the upper limiting plate 12 and the lower limiting plate 12 to be close to each other, the end parts of the limiting plates 12 are abutted to the connecting plates 3, the second sliding blocks 19 move leftwards on the inner walls of the sliding grooves 18, the movable seat 10 moves leftwards, meanwhile, the second spring 16 restores deformation to drive the right end parts of the upper connecting plates 3 and the lower connecting plates 3 to be close to each other, the connecting plates 3 drive the movable door 6 on the first sliding blocks 4 to be close to each other, the movable door 6 is closed, the limiting rings 8 on the left side of the connecting plates 3 rotate along the first pin shaft 2, when the first spring 13 and the second spring 16 completely restore deformation, the movable seat 10 moves to the leftmost end with the fixed seat 1, the arc-shaped limiting grooves 14 are abutted to the limiting rings 8, the limiting plates 12 limit the rotation of the limiting rings 8 and the connecting plates 3, the movable door 6 is automatically locked, and cannot be opened at will, and the safety of workers can be effectively ensured;

when the handcart is overhauled and needs to be pushed into the switch cabinet 7, the rear side of the handcart is contacted with the push plate 15, the push plate 15 is pushed to move to the right, the push plate 15 drives the movable seat 10 to move to the right, the leftmost side of the push plate 15 is propped against the switch cabinet 7, the second sliding block 19 moves to the rightmost side in the sliding groove 18, the movable seat 10 drives the fixed seat 1 to move to the right, meanwhile, the upper limiting plate 12 and the lower limiting plate 12 respectively rotate along the upper side and the lower side of the second pin shaft 11, the first spring 13 is stretched to deform, the limiting ring 8 is separated from the arc-shaped limiting groove 14, the limiting ring 8 can rotate, the limiting ring 8 drives the connecting plate 3 to rotate along the first pin shaft 2, the right end part of the connecting plate 3 drives the two first sliding blocks 4 to move along the upper side and the lower side of the sliding rail 5 respectively, the second spring 16 is stretched, the movable door 6 is automatically opened, the handcart can enter the switch cabinet 7, the circuit breaker is electrified in contact with the static contact, and the switch cabinet 7 can work normally.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (6)

1. The utility model provides a cubical switchboard valve blocking device, includes fixing base (1), its characterized in that: the top of the fixed seat (1) is provided with an upper first pin shaft (2) and a lower first pin shaft (2), the outer wall of the first pin shaft (2) is rotationally connected with a limiting ring (8), a connecting plate (3) is fixedly connected to the limiting ring (8), a first sliding block (4) is hinged to the right side of the connecting plate (3), the first sliding block (4) is in sliding connection on a sliding rail (5), the sliding rail (5) is fixedly arranged on the side wall of a switch cabinet (7), a movable door (6) is arranged on the rear side of the first sliding block (4), and the movable door (6) is in sliding connection with the side wall of the switch cabinet (7);

the fixing seat is characterized in that a movable plate (9) is connected to the bottom of the fixing seat (1) in a sliding mode, a movable seat (10) is fixedly connected to the left side of the movable plate (9), a second pin shaft (11) is arranged at the top of the movable seat (10), two limiting plates (12) matched with the limiting rings (8) are hinged to the second pin shaft (11), and a first spring (13) is arranged between the two limiting plates (12).

2. A switchgear cabinet shutter latch as claimed in claim 1, wherein: the limiting plate (12) is provided with an arc limiting groove (14) matched with the limiting ring (8).

3. A switchgear cabinet shutter latch as claimed in claim 1, wherein: a push plate (15) is arranged on the front side of the movable seat (10).

4. A switchgear cabinet shutter latch as claimed in claim 1, wherein: a second spring (16) is arranged between the upper connecting plate (3) and the lower connecting plate (3).

5. A switchgear cabinet shutter latch as claimed in claim 1, wherein: the bottom of the fixed seat (1) is provided with a sliding groove (18), and the right end part of the movable plate (9) is provided with a second sliding block (19) which is matched with the sliding groove (18) in a direction.

6. A switchgear cabinet shutter latch as claimed in claim 1, wherein: the top of the fixing seat (1) is provided with a connecting rod (17), and the top of the connecting rod (17) is in sliding connection with the bottom surface of the top of the switch cabinet (7).