CN213340246U

CN213340246U - Electrical protection cover device for miniature circuit breaker

Info

Publication number: CN213340246U
Application number: CN202022446260.5U
Authority: CN
Inventors: 芮正美
Original assignee: Shenzhen Yineng Zhongke Technology Co ltd
Current assignee: Shenzhen Yineng Zhongke Technology Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-06-01
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses an electrical protection casing device for miniature circuit breaker, including the protection casing base, first protection casing is installed to protection casing base top one side, the second protection casing is installed to protection casing base top opposite side, the location spout has all been seted up at protection casing base both sides top, protection casing base both sides bottom all is provided with the direction slider, first protection casing inner wall both sides top and second protection casing inner wall both sides top all are provided with the guide post. The utility model discloses a fixture block is connected to the L type and connection slot's cooperation is used, can connect fixedly to first protection casing and second protection casing, can reduce the closed degree of difficulty of protection casing, through the use of fixing clip post, extrusion spring and fixed pipe, can reduce the degree of difficulty of opening of protection casing, and the protection casing can reduce the occupation space when the protection casing uses through adopting the structure of the formula of sideslipping from playing, can improve the life of protection casing simultaneously.

Description

Electrical protection cover device for miniature circuit breaker

Technical Field

The embodiment of the utility model provides an electrical switch technical field, concretely relates to electrical protection casing device for miniature circuit breaker.

Background

When the miniature circuit breaker is used, a protective cover needs to be arranged on the miniature circuit breaker to prevent a handle of the miniature circuit breaker from being accidentally touched and dropped by people to cause the accidental power failure of a power supply line to cause the power failure of important equipment in normal operation, the handle can be effectively prevented from being touched by mistake by using the protective cover, the power utilization safety of power equipment is favorably improved, most of the existing protective covers adopt the structures of a protective base and a rotary transparent protective cover, but the following defects exist in the adoption of the structures;

the rotary protective cover is connected with the shaft at one side, and when the protective cover is opened, more upper space is occupied, and the structure is limited by the limited condition of the internal space of the cabinet in the practical application environment and is difficult to meet the requirement of a smaller-space use environment;

the rotary protective cover adopts the plastic material shell connected with the shaft at one side, so that the shaft diameter is thin, the strength is relatively poor, and the rotary protective cover is easy to break in the rotating process, so that the protective cover is damaged and loses protection;

the protection casing of rotation type, its casing base can't provide the relocking of miniature circuit breaker's electric screw, when the electrical connection screw of discovery miniature circuit breaker is not hard up in the overhaul of the equipments process, can't relocking, causes electric safety can not obtain the restoration.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides an electrical protection cover device for miniature circuit breaker to solve among the prior art problem that rotation type protection casing occupation space is big and easily damaged.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: an electrical protection cover device for a miniature circuit breaker comprises a protection cover base, wherein a first protection cover is installed on one side of the top end of the protection cover base, a second protection cover is installed on the other side of the top end of the protection cover base, positioning sliding grooves are formed in the top portions of the two sides of the protection cover base, guide sliding blocks are arranged at the bottom portions of the two sides of the protection cover base, guide posts are arranged on the top portions of the two sides of the inner wall of the first protection cover and the top portions of the two sides of the inner wall of the second protection cover, guide sliding grooves are formed in the bottom portions of the two sides of the inner wall of the first protection cover and the bottom portions of the two sides of the inner wall of the second protection cover, fixing clamping posts are welded in the middle of one end of the inner wall of the fixing clamping posts, the edge part of the top end of the inner wall of the first protective cover is welded with an L-shaped connecting clamping block, and the edge part of the top end of the inner wall of the second protective cover is provided with a connecting clamping groove;

the protection casing base bottom middle part has seted up the mounting hole, the mounting groove has all been seted up to mounting hole inner wall both sides bottom, mounting groove internal weld has L type cardboard.

Further, the guide post is located in the groove of the guiding and positioning sliding groove, and the diameter of the guide post is slightly smaller than the width of the groove of the guiding and positioning sliding groove.

Further, the guide sliding block is located inside the guide sliding groove, and the width of the inner wall of the guide sliding groove is larger than that of the guide sliding block.

Further, the first protection cover and the second protection cover are the same in size, and the first protection cover and the second protection cover are installed in opposite directions.

Further, extrusion spring's internal diameter slightly is greater than the tip diameter of fixing the card post, extrusion spring's internal diameter slightly is less than fixing card post root diameter, extrusion spring forms the clearance fit with the root of fixing the card post, and the root that extrusion spring impressed the fixing card post under the effect of external force forms fixedly, extrusion spring's diameter is less than fixed pipe internal diameter, extrusion spring one end is located fixed inside the pipe.

Furthermore, L type connection fixture block one end is located inside connecting slot, it is fixed through L type connection fixture block between first protection casing and the second protection casing.

Further, the number of the L-shaped clamping plates is two in total, and the installation directions of the two L-shaped clamping plates are opposite.

Furthermore, the four corners of the bottom end of the protective cover base are provided with through column holes, and the through column holes and the electric connection fixing screw holes in the miniature circuit breaker switch are located on the same central axis.

The embodiment of the utility model provides a have following advantage:

1. be provided with the protection casing base, first protection casing, the second protection casing, the location spout, the direction slider, the direction spout, the guide post, the fixed slot, the fixing clip post, the extrusion spring, fixed pipe, fixture block and connecting slot are connected to the L type, cooperation through L type connecting clip block and connecting slot is used, can connect fixedly to first protection casing and second protection casing, can reduce the sealed degree of difficulty of protection casing, through the fixing clip post, the use of extrusion spring and fixed pipe, can reduce the degree of difficulty of opening of protection casing, the protection casing is through adopting the structure of sideslip from the bullet formula, occupation space when can reducing the protection casing and using, can improve the life of protection casing simultaneously.

2. The protection cover can be fixed through the cooperation of two L-shaped clamping plates, the installation difficulty of the protection cover can be reduced, the overhauling and maintenance difficulty of the miniature circuit breaker can be reduced through the use of the through column holes, and the overhauling of the miniature circuit breaker by a worker is facilitated.

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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the positioning chute of the present invention.

Fig. 3 is an explosion installation diagram of the present invention.

Fig. 4 is a schematic structural view of the through-post hole of the present invention.

In the figure: 1. a protective cover base; 2. a first shield; 3. a second shield; 4. positioning the chute; 5. a guide slider; 6. a guide chute; 7. a guide post; 8. fixing grooves; 9. fixing the clamping column; 10. a compression spring; 11. fixing a circular tube; 12. an L-shaped connecting fixture block; 13. a connecting clamping groove; 14. mounting holes; 15. mounting grooves; 16. an L-shaped clamping plate; 17. and (4) a through column hole.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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 the attached drawings 1-4 of the specification, an electrical protection cover device for a miniature circuit breaker comprises a protection cover base 1, wherein a first protection cover 2 is arranged on one side of the top end of the protection cover base 1, a second protection cover 3 is arranged on the other side of the top end of the protection cover base 1, the first protection cover 2 and the second protection cover 3 are made of PVC transparent plastics, the first protection cover 2 and the second protection cover 3 are identical in size, the first protection cover 2 and the second protection cover 3 are opposite in installation direction, the preparation difficulty of materials can be reduced, the production cost is reduced, positioning sliding grooves 4 are formed in the tops of the two sides of the protection cover base 1, guide sliding blocks 5 are arranged at the bottoms of the two sides of the protection cover base 1, guide posts 7 are arranged on the tops of the two sides of the inner wall of the first protection cover 2 and the tops of the two, the 7 diameters of guide post are less than the groove width of guiding orientation spout 4 a little, can lead and spacing

first protection casing

2 and 3 tops of second protection casing, be convenient for first protection casing 2 and the use of second protection casing 3, guide spout 6 has all been seted up to 2 inner wall both sides bottoms of first protection casing and 3 inner wall both sides bottoms of second protection casing, guide slider 5 is located inside guide spout 6, the inner wall width of guide spout 6 be greater than guide slider 5's width, can carry on spacingly to 3 bottoms of first protection casing 2 and second protection casing, be convenient for first protection casing 2 and the use of second protection casing 3, fixed slot 8 has all been seted up to 1 bottom both sides limit portion of protection casing base, the welding of 8 inner wall one end middle parts of fixed slot has fixing clip post 9, fixing clip post 9 outer surface cup joints and installs extrusion spring 10.

The bottom of one end of the inner wall of the first protective cover 2 and the bottom of one end of the inner wall of the second protective cover 3 are both welded with a fixed round pipe 11, the inner diameter of an extrusion spring 10 is slightly larger than the end diameter of a fixed clamping column 9, the inner diameter of the extrusion spring 10 is slightly smaller than the root diameter of the fixed clamping column 9, the extrusion spring 10 and the root of the fixed clamping column 9 form a clearance fit, the extrusion spring 10 is pressed into the root of the fixed clamping column 9 to form a fixed part under the action of external force, the diameter of the extrusion spring 10 is smaller than the inner diameter of the fixed round pipe 11, one end of the extrusion spring 10 is positioned in the fixed round pipe 11, the installation difficulty of the extrusion spring 10 can be reduced, the protective cover device is convenient for a worker to use, the edge part of the top end of the inner wall of the first protective cover 2 is welded with an L-shaped connecting clamping block 12, the top end of the inner wall, the first protective cover 2 and the second protective cover 3 can be connected, so that the protective cover device can be conveniently used by workers.

Mounting hole 14 has been seted up at 1 bottom middle part of protection casing base, mounting groove 15 has all been seted up to 14 inner wall both sides bottoms of mounting hole, 15 internally welded of mounting groove have L type cardboard 16, the quantity of L type cardboard 16 is two altogether, two L type cardboard 16's installation opposite direction, the staff of being convenient for is fixed to the installation of device, logical post hole 17 has all been seted up to 1 bottom four corners department of protection casing base, it is in on the same center axis with the electric connection set screw hole on the miniature circuit breaker switch to lead to post hole 17, the staff of being convenient for is to the maintenance of miniature circuit breaker switch.

The utility model discloses use as follows: the staff installs the device on metal decking, uses through the cooperation of two L type cardboard 16, can fix the device, simultaneously, can make through post hole 17 align with the mounting screw hole of circuit breaker, and the staff can fasten circuit breaker set screw through post hole 17, and the staff of being convenient for is to the maintenance operation of circuit breaker.

When the protective cover needs to be closed, a worker moves the first protective cover 2 and the second protective cover 3 to enable the first protective cover 2 and the second protective cover 3 to move towards the middle of the device, meanwhile, the worker presses the first protective cover 2 to ensure that the top of the inner wall of the first protective cover 2 is tightly attached to the protective cover base 1, when the first protective cover 2 and the second protective cover 3 are moved, the extrusion spring 10 is extruded to compress the extrusion spring 10, the L-shaped connection clamping block 12 enters the connection clamping groove 13 along with the movement of the first protective cover 2 and the second protective cover 3, then the worker stops pressing the first protective cover 2, and the L-shaped connection clamping block 12 and the connection clamping groove 13 are matched for use, the first protective cover 2 and the second protective cover 3 can be connected and fixed, and the first protective cover 2 and the second protective cover 3 are matched for use, so that the device can be closed;

when the protection casing is opened to needs, the staff presses first protection casing 2, and the L type that makes is connected fixture block 12 and is broken away from connecting slot 13, under the effect of extrusion spring 10 elastic potential energy, can promote second protection casing 3 and remove to the direction of keeping away from the device middle part, later the staff stops to press first protection casing 2, under the effect of extrusion spring 10 elastic potential energy, can promote first protection casing 2 and remove to the direction of keeping away from the device middle part, accomplishes opening of protection casing.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.

Claims

1. An electric protection cover device for miniature circuit breaker, includes protection cover base (1), its characterized in that: the protective cover is characterized in that a first protective cover (2) is installed on one side of the top end of the protective cover base (1), a second protective cover (3) is installed on the other side of the top end of the protective cover base (1), positioning sliding grooves (4) are formed in the tops of the two sides of the protective cover base (1), guide sliding blocks (5) are arranged at the bottoms of the two sides of the protective cover base (1), guide columns (7) are arranged at the tops of the two sides of the inner wall of the first protective cover (2) and the tops of the two sides of the inner wall of the second protective cover (3), guide sliding grooves (6) are formed in the bottoms of the two sides of the inner wall of the first protective cover (2) and the bottoms of the two sides of the inner wall of the second protective cover (3), fixing grooves (8) are formed in the edge portions of the two sides of the bottom end, the bottom of one end of the inner wall of the first protective cover (2) and the bottom of one end of the inner wall of the second protective cover (3) are welded with fixed circular tubes (11), the edge of the top end of the inner wall of the first protective cover (2) is welded with an L-shaped connecting clamping block (12), and the edge of the top end of the inner wall of the second protective cover (3) is provided with a connecting clamping groove (13);

mounting hole (14) have been seted up at protection casing base (1) bottom middle part, mounting groove (15) have all been seted up to mounting hole (14) inner wall both sides bottom, mounting groove (15) internal weld has L type cardboard (16).

2. An electrical protection cover device for a micro circuit breaker according to claim 1, wherein: the guide post (7) is positioned in the groove of the guide positioning sliding groove (4), and the diameter of the guide post (7) is slightly smaller than the groove width of the guide positioning sliding groove (4).

3. An electrical protection cover device for a miniature circuit breaker according to claim 1, characterized in that it is associated with: the guide sliding block (5) is positioned inside the guide sliding groove (6), and the width of the inner wall of the guide sliding groove (6) is larger than that of the guide sliding block (5).

4. An electrical protection cover device for a miniature circuit breaker according to claim 1, characterized in that it is associated with: the size of the first protection cover (2) is the same as that of the second protection cover (3), and the installation directions of the first protection cover (2) and the second protection cover (3) are opposite.

5. An electrical protection cover device for a micro circuit breaker according to claim 1, wherein: the internal diameter of extrusion spring (10) slightly is greater than the tip diameter of fixing clip post (9), the internal diameter of extrusion spring (10) slightly is less than fixing clip post (9) root diameter, the root formation of extrusion spring (10) and fixing clip post (9) is held the cooperation, and the root that fixing clip post (9) were impressed in extrusion spring (10) under the effect of external force forms fixedly, the diameter of extrusion spring (10) is less than fixed pipe (11) internal diameter, extrusion spring (10) one end is located inside fixed pipe (11).

6. An electrical protection cover device for a micro circuit breaker according to claim 1, wherein: one end of the L-shaped connecting clamping block (12) is located inside the connecting clamping groove (13), and the first protective cover (2) and the second protective cover (3) are fixed through the L-shaped connecting clamping block (12).

7. An electrical protection cover device for a micro circuit breaker according to claim 1, wherein: the number of the L-shaped clamping plates (16) is two in total, and the installation directions of the two L-shaped clamping plates (16) are opposite.

8. An electrical protection cover device for a micro circuit breaker according to claim 1, wherein: protective cover base (1) bottom four corners department has all seted up logical post hole (17), lead to post hole (17) and the last electrical connection set screw hole of miniature circuit breaker switch are in on the same central axis.