Insulation distribution box

By introducing a miniature electric cylinder-driven push rod and an L-shaped push plate limit assembly into the distribution box, combined with current sensor control, automatic insulation isolation of the box door is achieved in the event of leakage, solving the problems of loose connections and lack of insulation of the box door, and improving the safety and service life of the distribution box.

CN223785537UActive Publication Date: 2026-01-09HEBEI MAXUS AUTOMATION EQUIP TECH CO LTD
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Patent Information

Application Number
CN202422545405.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2026-01-09
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

The existing distribution boxes have poor tensile strength at the connection points, making them prone to loosening and falling off, which can lead to electrical leakage. In addition, the box doors lack effective insulation and isolation structures, posing a risk of electric shock.

Method used

An insulated distribution box was designed, which uses a miniature electric cylinder to drive a push rod and an L-shaped push plate. The insulated handle is automatically disengaged when there is a leakage through a limiting component. Combined with a current sensor and a microcontroller control, the box door is insulated to avoid direct contact with live parts.

Benefits of technology

It effectively prevents line leakage and electric shock accidents, and the insulated handle enables safe operation of the box door, improving the insulation performance and safety of the distribution box.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223785537U_ABST
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Abstract

The utility model discloses an insulating distribution box, which belongs to the technical field of distribution boxes and comprises a box body, a box door hinged to the front side of the box body and a handle structure fixedly mounted on the front side of the box door, a limiting assembly is arranged on one side of the handle structure, and anti-bending structures are fixedly arranged at the lower ends of the two sides of the box body. A control assembly is arranged on the side, away from the handle structure, of the limiting assembly. The limiting assembly comprises a second groove adjacent to the handle structure, a micro electric cylinder, a push rod, an L-shaped push plate, a limiting block and a second spring. According to the insulation distribution box, the insulation handle is popped out of the first groove through the limiting assembly, on one hand, maintenance personnel can indicate that the distribution box is in an electric leakage state or an electric leakage accident occurs before, on the other hand, the box door is isolated from the outside through the insulation handle, and at the moment, the box door can be opened or closed by holding the insulation handle without directly touching the surface of the box door; a worker is prevented from directly touching the electrified box door to cause electric shock.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a distribution box technical field, concretely is a kind of insulated distribution box. BACKGROUND

[0002] Insulated distribution box is according to electrical wiring requirement, switchgear, measuring instrument, protective appliance and auxiliary equipment are assembled in closed or semi-closed metal cabinet or screen, constitute low-voltage distribution device, the purpose of distribution box: it is convenient to stop, send power, play the role of metering and judging stop, send power.

[0003] Through the retrieval, the existing patent number CN214625974U, a kind of full insulation distribution box, with reduce earthquake energy transmission to full insulation distribution box structure, avoid full insulation distribution box is damaged by the vibration of earthquake, and purify the air entering the inside of full insulation distribution box, improve the cleanliness of the inside of full insulation distribution box.

[0004] But the existing distribution box door lacks effective insulation isolation structure, when distribution box occurs electric leakage, door will be electrified, when staff directly contact door can cause electric shock accident;And the above-mentioned full insulation distribution box when in use, the wire inserted in the position of side wall is directly electrically connected with the electrical components inside distribution box, the anti-pulling performance of connecting place is not good, long time use, prone to loose even off phenomenon, line electric leakage, lead to the insulation effect of distribution box is not good;For this, we propose a kind of full insulation distribution box. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of insulated distribution box, to solve the anti-pulling performance of connecting place not good in the background art, prone to loose even off and lead to line electric leakage, door lacks effective insulation isolation structure and other problems.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of insulated distribution box, the insulated distribution box includes box, the door that is hinged with the front side of the box and the handle structure that is fixedly installed in the front side of the door, one side of the handle structure is provided with limiting component, the lower end of the both sides of the box is fixedly provided with anti-bending structure, the side of the limiting component away from the handle structure is provided with control component;The limiting component includes the second groove that is adjacent to the handle structure, the micro electric cylinder that is fixedly installed in the inner side of the second groove, the push rod that is fixedly connected with the output end of the micro electric cylinder, the L-shaped push plate that is fixedly connected in the end of the push rod, the limiting block that is fixedly connected in the end of the L-shaped push plate and the second spring that is fixedly installed between the L-shaped push plate and the inner wall of the second groove;The anti-bending structure includes the sleeve pipe that is fixedly connected with the both sides of the box, the cable protection pipe that is integrally connected with the end of the sleeve pipe and the multiple groups of protective sheaths that are evenly fixed to the outside of the cable protection pipe along the length direction of cable.

[0007] When the box door is electrified due to the leakage of the internal circuit of the box, the control assembly receives the current signal and immediately starts the limiting assembly. The specific process is as follows: the micro electric cylinder drives the push rod to move, the push rod then pushes the L-shaped push plate to move towards the handle structure, at this time the second spring is compressed, the L-shaped push plate then drives the limiting block to be out of contact with the insulating handle, so that the insulating handle is popped out of the first recess under the action of the first spring, on the one hand, it can indicate to the maintenance personnel that the distribution box is in a leakage state or has occurred a leakage accident before, on the other hand, the box door is isolated from the outside through the insulating handle, at this time the box door can be opened or closed by holding the insulating handle without directly touching the surface of the box door, thereby playing an insulation protection role to avoid electric shock caused by directly touching the electrified box door.

[0008] Preferably, the handle structure comprises a first recess opened on the front side of the box door, a fixed seat fixedly installed on the inner side of the first recess, an insulating handle hingedly connected to the inner side of the fixed seat through a pin shaft, two insulating blocks fixedly installed on the bottom of the first recess, and a first spring fixedly connected between the insulating blocks and the insulating handle.

[0009] Preferably, a limiting groove is opened on the side of the limiting block close to the second recess, and an anti-skid pattern is arranged on the surface of the limiting groove, the limiting groove being matched with the insulating handle.

[0010] Preferably, the control assembly comprises a third recess opened on the front side of the box door, a single-chip microcomputer fixedly installed on the inner wall of the third recess, and a current sensor fixedly installed on the inner wall of one side of the third recess, the current sensor being electrically connected with the single-chip microcomputer, and the single-chip microcomputer being electrically connected with the micro electric cylinder.

[0011] Preferably, each group of the protective sleeves comprises at least four rubber pieces arranged in a ring shape, and the rubber pieces are in the shape of a sector.

[0012] Preferably, a cover plate is fixedly installed on the top of the box, and a base is fixedly connected to the bottom of the box.

[0013] The insulating distribution box has a simple structure and is convenient to use. The micro electric cylinder drives the push rod to move, the push rod then pushes the L-shaped push plate to move towards the handle structure, at this time the second spring is compressed, the L-shaped push plate then drives the limiting block to be out of contact with the insulating handle, so that the insulating handle is popped out of the first recess under the action of the first spring, on the one hand, it can indicate to the maintenance personnel that the distribution box is in a leakage state or has occurred a leakage accident before, on the other hand, the box door is isolated from the outside through the insulating handle, at this time the box door can be opened or closed by holding the insulating handle without directly touching the surface of the box door, thereby playing an insulation protection role to avoid electric shock caused by directly touching the electrified box door. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of an insulation distribution box;

[0015] Figure 2 It is a structural schematic view of an insulation distribution box Figure 1 It is an enlarged structural schematic view of A in the insulation distribution box;

[0016] Figure 3 It is an enlarged structural schematic view of B in the insulation distribution box Figure 1

[0017] In the drawings:

[0018] 1, box body;

[0019] 2, box door;

[0020] 3, handle structure; 31, first groove; 32, fixing seat; 33, insulating handle; 34, insulating block; 35, first spring;

[0021] 4, limiting assembly; 41, second groove; 42, micro electric cylinder; 43, push rod; 44, L-shaped push plate; 45, limiting block; 451, limiting groove; 46, second spring;

[0022] 5, anti-bending structure; 51, sleeve; 52, cable protection tube; 53, protection sleeve; 531, rubber sheet;

[0023] 6, control assembly; 61, third groove; 62, single-chip microcomputer; 63, current sensor. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Embodiment 1

[0026] The present embodiment provides an insulation distribution box, such as Figure 1 ​As shown, the insulating distribution box comprises a box body 1, a box door 2 hinged to the front side of the box body 1, and a handle structure 3 fixedly installed on the front side of the box door 2, characterized in that: one side of the handle structure 3 is provided with a limiting assembly 4, both lower ends of the two sides of the box body 1 are fixedly provided with anti-bending structures 5, and the side away from the handle structure 3 of the limiting assembly 4 is provided with a control assembly 6; the limiting assembly 4 comprises a second groove 41 provided adjacent to the handle structure 3, a micro electric cylinder 42 fixedly installed on the inner side of the second groove 41, a push rod 43 fixedly connected with the output end of the micro electric cylinder 42, an L-shaped push plate 44 fixedly connected with the end of the push rod 43, a limiting block 45 fixedly connected with the end of the L-shaped push plate 44, and a second spring 46 fixedly installed between the L-shaped push plate 44 and the inner wall of the second groove 41; and the anti-bending structure 5 comprises sleeve pipes 51 fixedly connected with the two sides of the box body 1, cable protection pipes 52 integrally connected with the end of the sleeve pipes 51, and multiple groups of protective sleeves 53 fixedly installed on the outer side of the cable protection pipes 52 along the length direction of the cable.

[0027] When the box door 2 is electrified due to internal line leakage of the box body 1, at this time, the control assembly 6 receives the current signal and immediately starts the limiting assembly 4, and the specific process is as follows: the micro electric cylinder 42 drives the push rod 43 to move, the push rod 43 then pushes the L-shaped push plate 44 to move towards the handle structure 3, at this time, the second spring 46 is compressed, the L-shaped push plate 44 then drives the limiting block 45 to be out of contact with the insulating handle 33, so that the insulating handle 33 is popped out of the first groove 31 under the action of the first spring 35, on the one hand, it can indicate to the maintenance personnel that the distribution box is in a leakage state or has appeared a leakage accident before, and on the other hand, it can isolate the box door 2 from the outside through the insulating handle 33, at this time, the box door 2 can be opened or closed by holding the insulating handle 33 without directly touching the surface of the box door 2, thereby playing an insulating protection role to avoid electric shock caused by directly touching the electrified box door 2.

[0028] In one embodiment, the handle structure 3 comprises a first groove 31 opened on the front side of the box door 2, a fixed seat 32 fixedly installed on the inner side of the first groove 31, an insulating handle 33 hinged to the inner side of the fixed seat 32 through a pin shaft, two insulating blocks 34 fixedly installed on the bottom of the first groove 31, and a first spring 35 fixedly connected between the insulating blocks 34 and the insulating handle 33.

[0029] In this embodiment, refer to Figure 1 and Figure 2In the case of electric leakage, the insulating handle 33 is separated from the limiting assembly 4, and the box door 2 is isolated from the outside through the insulating handle 33. At this time, the box door 2 can be opened or closed by holding the insulating handle 33 without directly touching the surface of the box door 2, so as to avoid electric shock caused by directly touching the electrified box door 2. After the maintenance is completed, the insulating handle 33 can be reset inside the first groove 31, the insulating handle 33 can be assembled in a semi-hidden mode, and the service life of the insulating handle 33 is prolonged.

[0030] In one embodiment, the limiting block 45 is provided with a limiting groove 451 on one side close to the second groove 41, and the surface of the limiting groove 451 is provided with anti-skid lines, and the limiting groove 451 is matched with the insulating handle 33.

[0031] In this embodiment, referring to Figure 2 , the limiting groove 451 is used for limiting the insulating handle 33, and the anti-skid lines can help to increase the friction between the two and limit the insulating handle 33 inside the first groove 31 under the action of the second spring 46.

[0032] In one embodiment, the control assembly 6 comprises a third groove 61 provided on the front side of the box door 2, a single-chip microcomputer 62 fixedly installed on the inner wall of the third groove 61, and a current sensor 63 fixedly installed on one side of the inner wall of the third groove 61, the current sensor 63 is electrically connected with the single-chip microcomputer 62, and the single-chip microcomputer 62 is electrically connected with the micro electric cylinder 42.

[0033] In this embodiment, referring to Figure 2 , when the box door 1 is in the electric leakage state, the current sensor 63 receives an electric signal and immediately transmits it to the single-chip microcomputer 62, and then the single-chip microcomputer 62 starts the limiting assembly 4 to complete the ejection of the insulating handle 33.

[0034] Preferably, the top of the box body 1 is fixedly installed with a cover plate 7, and the bottom of the box body 1 is fixedly connected with a base 8.

[0035] In this embodiment, referring to Figure 1 , the cover plate 7 can be used to shield rainwater, and the base 8 can be used to prevent moisture, which is beneficial to reduce the risk of electric leakage.

[0036] Embodiment 2

[0037] Different from embodiment 1, preferably, each group of the protective sleeve 53 comprises at least four rubber pieces 531 distributed in a ring shape, and the shape of the rubber piece 531 is a fan shape.

[0038] In this embodiment, referring to Figure 3The protection sleeve 53 is used to limit the bending curvature of the external cable, and the fan-shaped rubber sheet 531 can reduce the weight of each set of protection sleeve 53, thereby preventing the cable from being damaged and leaking due to excessive bending.

[0039] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent substitutions or changes according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An insulated distribution box comprising a box body (1), a box door (2) hinged to the front side of the box body (1), and a handle structure (3) fixedly installed on the front side of the box door (2), characterized in that: One side of the handle structure (3) is provided with a limiting assembly (4), both sides of the box body (1) are fixedly provided with anti-bending structures (5), and one side of the limiting assembly (4) away from the handle structure (3) is provided with a control assembly (6). The limiting assembly (4) comprises a second groove (41) arranged adjacent to the handle structure (3), a micro electric cylinder (42) fixedly installed on the inner side of the second groove (41), a push rod (43) fixedly connected with the output end of the micro electric cylinder (42), an L-shaped push plate (44) fixedly connected with the end of the push rod (43), a limiting block (45) fixedly connected with the end of the L-shaped push plate (44), and a second spring (46) fixedly installed between the L-shaped push plate (44) and the inner wall of the second groove (41). The anti-bending structure (5) comprises a sleeve (51) fixedly connected with both sides of the box body (1), a cable protection tube (52) integrally connected with the end of the sleeve (51), and a plurality of protective sleeves (53) fixedly arranged on the outer side of the cable protection tube (52) along the length direction of the cable.

2. The insulated power box of claim 1, wherein: The handle structure (3) comprises a first groove (31) opened on the front side of the box door (2), a fixed seat (32) fixedly installed on the inner side of the first groove (31), an insulating handle (33) hingedly connected on the inner side of the fixed seat (32) through a pin shaft, two insulating blocks (34) fixedly installed on the bottom of the first groove (31), and a first spring (35) fixedly connected between the insulating blocks (34) and the insulating handle (33).

3. The insulated power box of claim 2, wherein: One side of the limiting block (45) close to the second groove (41) is provided with a limiting groove (451), and the surface of the limiting groove (451) is provided with anti-skid lines, and the limiting groove (451) is matched with the insulating handle (33).

4. The insulated power box of claim 1, wherein: The control assembly (6) comprises a third groove (61) opened on the front side of the box door (2), a single-chip microcomputer (62) fixedly installed on the inner wall of the third groove (61), and a current sensor (63) fixedly installed on one side of the inner wall of the third groove (61), the current sensor (63) is electrically connected with the single-chip microcomputer (62), and the single-chip microcomputer (62) is electrically connected with the micro electric cylinder (42).

5. The electrical box of claim 1, wherein: Each group of protective sleeves (53) comprises at least four rubber pieces (531) arranged in a ring shape.

6. The electrical box of claim 1, wherein: The top of the box body (1) is fixedly provided with a cover plate (7), and the bottom of the box body (1) is fixedly connected with a base (8).

Citation Information

Patent Citations

  • All-insulation distribution box body

    CN214625974U