CN214589851U

CN214589851U - Interlocking device of high-low voltage transformation cabinet door

Info

Publication number: CN214589851U
Application number: CN202120613274.3U
Authority: CN
Inventors: 郑才生; 熊颖平; 刘省府; 潘威
Original assignee: Jiangxi Mingzheng Intelligent Electrical Co ltd
Current assignee: Jiangxi Mingzheng Intelligent Electrical Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-11-02
Anticipated expiration: 2031-03-26

Abstract

The utility model relates to the technical field of power equipment, in particular to an interlocking device of a cabinet door of a high-low voltage transformation cabinet; including the mutual articulated cabinet body and cabinet door, the inner face of cabinet door is being provided with the connection piece near its articulated department, and the inner face of the cabinet body is being provided with the slip subassembly near its articulated department, and this slip subassembly rotates with the connection piece simultaneously and is connected to make the cabinet door open the back, internal power automatic cutout of cabinet, the utility model discloses a set up connection piece and slip subassembly in the articulated department of the cabinet body and cabinet door for the cabinet door is at the in-process of opening, and the slider of slip subassembly can remove along leading to groove and spout, until entering into trigger switch's induction area, trigger switch's sensing signal makes the vary voltage cabinet do the outage and handle, has improved the safety in utilization ability of vary voltage cabinet.

Description

Interlocking device of high-low voltage transformation cabinet door

Technical Field

The utility model relates to a power equipment technical field, concretely relates to interlock of height vary voltage cabinet door.

Background

The high-low voltage switch cabinet is an electric equipment, the external line firstly enters into the main control switch in the cabinet, then enters into the branch control switch, each branch circuit is set according to the need, such as instrument, automatic control, motor magnetic switch, various AC contactor, etc., some are also set with high voltage chamber and low voltage chamber switch cabinet, which are set with high voltage bus, such as power plant, etc., some are also set with low cycle load reduction for keeping the main equipment.

When the high-low voltage transformation cabinet works, internal wires have higher voltage, and when the high-low voltage transformation cabinet is maintained, the cabinet door is opened to maintain in a conventional way after power failure; if the maintenance is not powered off, a great safety accident may occur.

Therefore, there is a need for an interlock for a high and low voltage transformer cabinet door that overcomes the above problems.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

Aiming at the defects in the prior art, the utility model provides an interlocking device for the cabinet door of a high-low voltage transformation cabinet, which can effectively solve the problems that the internal wires have larger voltage when the high-low voltage transformation cabinet works in the prior art, and the cabinet door is opened for maintenance after power failure in the conventional method; if the maintenance is not powered off, the problem of great safety accidents can occur.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides an interlock of height vary voltage cabinet door, includes the mutual articulated cabinet body and cabinet door, the inner face of cabinet door is being provided with the connection piece near its articulated department, the inner face of the cabinet body is being provided with the slip subassembly near its articulated department, and this slip subassembly rotates with the connection piece simultaneously and is connected to make the cabinet door open the back, the internal power automatic cutout of cabinet.

Furthermore, the connecting sheet is provided with a first connecting hole.

Furthermore, the sliding assembly comprises a thin rod for rotary connection, wherein two ends of the thin rod are respectively provided with a second connecting hole, and one second connecting hole is rotatably connected with the first connecting hole through a connecting shaft.

Furthermore, the sliding assembly further comprises a fixed block horizontally and fixedly installed on the inner wall of the cabinet body, a through groove horizontally extending is formed in the outer end face of the fixed block from outside to inside, the through groove transversely penetrates through the fixed block, a sliding groove located in the through groove is formed in the inner face of the through groove from outside to inside, and the width of the sliding groove is larger than that of the through groove.

Furthermore, a sliding block is connected with the through groove and the sliding groove in a sliding mode through a common gap, a connecting groove is formed in the outer end of the sliding block from outside to inside, third connecting holes are formed in the opposite faces of the connecting groove, and the third connecting holes are in running fit with another second connecting hole through connecting shafts.

Furthermore, the outer end of the sliding groove close to the fixed block is fixedly provided with a trigger switch through a groove for sensing the opening action of the cabinet door, and the trigger switch is a proximity switch.

Advantageous effects

Adopt the utility model provides a technical scheme compares with known public technique, has following beneficial effect:

the utility model discloses a set up connection piece and slip subassembly in the articulated department of the cabinet body and cabinet door for the cabinet door is at the in-process of opening, and the slider of slip subassembly can remove along leading to groove and spout, and until entering into trigger switch's induction zone, trigger switch's sensing signal makes the vary voltage cabinet to be the outage and handles, has improved the safety in utilization performance of vary voltage cabinet.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a schematic view of a top view structure of the junction between the cabinet body and the cabinet door of the present invention;

FIG. 2 is a schematic view of the whole structure of the fixing block of the present invention;

FIG. 3 is a schematic view of the front cross-sectional structure of the fixing block of the present invention;

the reference numerals in the drawings denote: 1-a cabinet body; 2-cabinet door; 3, connecting a sheet; 4-a sliding assembly; 5-a first connection hole; 6-slender rod; 7-a second connection hole; 8, fixing blocks; 9-through groove; 10-a chute; 11-a slide block; 12-a connecting trough; 13-third connection hole; 14-a groove; 15-trigger the switch.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Examples

The interlocking device for the cabinet door of the high-low voltage transformation cabinet of the embodiment refers to fig. 1-3: including the cabinet body 1 and the cabinet door 2 of mutual articulated, the inner face of cabinet door 2 is being provided with connection piece 3 near its articulated department, has seted up first connecting hole 5 on the connection piece 3, and connection piece 3 realizes fixedly through welding process and cabinet door 2, and first connecting hole 5 passes through the stamping process shaping simultaneously.

The inner face of the cabinet body 1 is provided with a sliding assembly 4 near the hinged position, the sliding assembly 4 is simultaneously connected with a connecting sheet 3 in a rotating mode, so that after a cabinet door 2 is opened, a power supply inside the cabinet body 1 is automatically cut off, after the cabinet door 2 is opened by an overhaul worker, the power supply inside the cabinet body 1 is automatically cut off, and the safety of the overhaul worker is guaranteed.

In the specific implementation process, as shown in fig. 1, the sliding assembly 4 includes a thin rod 6 for rotational connection, and both ends of the thin rod 6 are provided with second connection holes 7, wherein one of the second connection holes 7 is rotationally connected with the first connection hole 5 through a connection shaft, and this structure ensures that the thin rod 6 can realize deflection in the opening process of the cabinet door 2.

Sliding assembly 4 still includes horizontal fixed mounting at the fixed block 8 of the internal wall of cabinet 1, and the outer terminal surface of fixed block 8 is seted up from the outside-in has the level to extend and is led to groove 9, and leads to groove 9 and transversely runs through fixed block 8, and the spout 10 that is located logical groove 9 is seted up from the outside-in to the inner face that leads to groove 9, and spout 10 width is greater than logical groove 9, and the width that leads to groove 9 can hold the pin thread, and after cabinet door 2 was opened completely, the part of pin thread 6 just in time led to groove 9.

A sliding block 11 is connected in a sliding manner in a common clearance between the through groove 9 and the sliding groove 10, a groove body with a T-shaped section is formed by the through groove 9 and the sliding groove 10, and the sliding block 11 cannot be separated when moving in the sliding groove 10; connecting groove 12 has been seted up from outside to inside in the outer end of slider 11, and the opposite face of connecting groove 12 all is provided with third connecting hole 13, and third connecting hole 13 is likewise through connecting axle and another second connecting hole 7 normal running fit, and thin pole 6 is connected with slider 11's rotation and is guaranteed that thin pole 6 can open the in-process at cabinet door 2 and realize deflecting, and slider 11 can be drawn outside the slip by thin pole 6 simultaneously.

The outer end of the sliding groove 10 close to the fixed block 8 is fixedly provided with a trigger switch 15 through an opened groove 14, the trigger switch 15 is used for sensing the opening action of the cabinet door 2, the trigger switch 15 is a proximity switch, the trigger switch 15 is connected with a control module of the voltage transformation cabinet, when the sliding block 11 reaches the action distance of the proximity switch during working, the proximity switch generates a signal and provides a control instruction for the control module, so that the control module cuts off all power supplies, and a maintainer can conveniently maintain the cabinet.

During the use, cabinet door 2 is opened the in-process, and pin 6 pulls slider 11 and removes along spout 10, and when the action distance of slider 11 arrival proximity switch, proximity switch trigger signal transmitted for control module, and control module sends the outage instruction to the maintainer overhauls, has improved the safety in utilization performance of vary voltage cabinet.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an interlock of height vary voltage cabinet door, includes the cabinet body and the cabinet door of mutual articulated, its characterized in that: the inner face of the cabinet door is provided with a connecting sheet near the hinged part, the inner face of the cabinet body is provided with a sliding assembly near the hinged part, and the sliding assembly is simultaneously rotatably connected with the connecting sheet so that after the cabinet door is opened, a power supply in the cabinet body is automatically cut off.

2. The interlocking device for the cabinet door of the high and low voltage transformation cabinet as claimed in claim 1, wherein the connecting piece is provided with a first connecting hole.

3. The interlocking device for the cabinet door of the high and low voltage transformation cabinet as claimed in claim 1, wherein the sliding component comprises a thin rod for rotational connection, the two ends of the thin rod are provided with second connecting holes, and one of the second connecting holes is rotationally connected with the first connecting hole through a connecting shaft.

4. The interlocking device for high and low voltage transformation cabinet doors according to claim 1, wherein the sliding assembly further comprises a fixed block horizontally and fixedly mounted on the inner wall of the cabinet body, the outer end surface of the fixed block is provided with a through groove extending horizontally from outside to inside, the through groove transversely penetrates through the fixed block, the inner surface of the through groove is provided with a sliding groove located in the through groove from outside to inside, and the width of the sliding groove is larger than that of the through groove.

5. The interlocking device for the cabinet door of the high and low voltage transformation cabinet according to claim 4, wherein a sliding block is slidably connected in the through groove and the sliding groove with a common clearance, the outer end of the sliding block is provided with a connecting groove from outside to inside, the opposite surfaces of the connecting grooves are provided with third connecting holes, and the third connecting holes are also rotatably matched with the other second connecting hole through a connecting shaft.

6. The interlocking device for the doors of the high and low voltage transformation cabinets according to claim 4, wherein the sliding groove is fixedly provided with a trigger switch at the outer end close to the fixed block through a groove for sensing the opening action of the cabinet door, and the trigger switch is a proximity switch.