CN219017557U

CN219017557U - Safety sealing cover device of circuit breaker

Info

Publication number: CN219017557U
Application number: CN202223468811.3U
Authority: CN
Inventors: 周维峰; 林凯; 胡广召
Original assignee: WENZHOU AOELEC ELECTRICAL CO Ltd
Current assignee: WENZHOU AOELEC ELECTRICAL CO Ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-05-12
Anticipated expiration: 2032-12-23

Abstract

The utility model relates to a safety sealing cover device of a circuit breaker, which comprises a shell, wherein a wiring cavity is formed in a wiring position of the shell, three cylindrical wiring screw holes are formed in the shell, a wiring terminal opening is formed in the shell, a positioning notch is formed in the shell, the safety sealing cover is arranged in the wiring cavity and comprises an upper blocking part, an outer blocking part and an inner blocking part which are integrally arranged, three cylindrical upper blocking bosses are arranged on the upper end face of the upper blocking part, the three cylindrical blocking bosses are respectively inserted into the corresponding cylindrical wiring screw holes, the outer side face of the outer blocking part can be abutted against the first inner surface of the outer side wall of the wiring cavity, the outer side face of the outer blocking part shields the wiring terminal opening, the inner blocking part is placed in the positioning notch, a limiting boss is further arranged on the inner blocking part, and the end face of the limiting boss can be abutted against the second inner surface of the inner side wall of the wiring cavity. By adopting the scheme, the sealing cover is safer by arranging the sealing cover, and the sealing cover is simple in mounting structure and stable in mounting.

Description

Safety sealing cover device of circuit breaker

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a safety cover device of a circuit breaker.

Background

The circuit breaker is the most widely used protection electric appliance and plays an important role in power supply and electricity utilization safety and people life. Some circuit breakers with different functions are realized in the same shell through the combination of zero parts, wherein the circuit breakers with fewer functions do not need to be provided with wiring terminals at wiring ports, if the circuit breakers are not provided with safety covers, the ports which do not need to be provided with the wiring terminals are in a notch state, foreign matters or small animals easily fall into the circuit breakers to cause the internal damage of the circuit breakers, so that equipment and personal safety are not protected; if the shell is selectively produced by the shell mold, the shell processing technology is complex, parts are increased, and the manufacturing cost is increased.

Disclosure of Invention

The utility model overcomes the defects of the prior art, and provides the safety sealing cover device of the circuit breaker, which is safer by arranging the sealing cover, and the sealing cover is simple in mounting structure and stable in mounting.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a safe closing cap device of circuit breaker, includes the casing, and the casing is provided with the wiring chamber in wiring department, the casing is provided with three cylindrical wiring screw hole on the roof in wiring chamber, the casing is provided with the wiring terminal mouth at the lateral wall in wiring chamber, the casing is provided with the location notch at the inside wall in wiring chamber, still including the closing cap, the closing cap is arranged in the wiring intracavity, and the closing cap includes the upper barrier portion, outer barrier portion and the interior barrier portion of an organic whole setting, is provided with three cylindrical boss that blocks on the up end of upper barrier portion, cylindrical boss that blocks on the boss and cylindrical wiring screw hole shape adaptation of blocking, and three cylindrical boss that blocks inserts respectively and locate corresponding cylindrical wiring screw hole, and the lateral surface of outer barrier portion can be inconsistent with the first internal surface of the lateral wall in wiring chamber, the terminal mouth is sheltered from to the lateral surface of outer barrier portion, interior barrier portion is placed in the location notch, still is provided with spacing boss on the interior barrier portion, and the terminal surface of spacing boss can be inconsistent with the second internal surface of the inside wall in wiring chamber.

Through adopting above-mentioned scheme, when three cylindrical boss that blocks inserts respectively and locates corresponding cylindrical wiring screw hole, can not only restrict the closing cap and move inside and outside, can also be used for sheltering from cylindrical wiring screw hole, outer blocking portion can not only shelter from the wiring terminal mouth, can also restrict the closing cap and outwards move, and the internal blocking portion is placed in the location notch, and the location notch can restrict the closing cap and reciprocate, and the spacing boss of internal blocking portion can restrict the closing cap and inwards move, and it has sheltered from cylindrical wiring screw hole and wiring terminal mouth through setting up the closing cap, and is safer to closing cap mounting structure is simple, and the installation is stable.

The utility model is further provided with the following steps: an outer blocking boss is arranged on the outer side face of the outer blocking portion, the outer blocking boss is matched with the shape of the wiring terminal opening, and the outer blocking boss is inserted into the wiring terminal opening.

Through adopting above-mentioned scheme, the boss is blocked outward and is inserted and locate the wiring end mouth, not only can shelter from the wiring end mouth, can also restrict the closing cap and reciprocate, simple structure, reasonable in design.

The utility model is further provided with the following steps: the locating notch is provided with an upper abutting surface and a lower abutting surface, the upper end surface of the inner blocking portion can abut against the upper abutting surface of the locating notch, the lower end surface of the inner blocking portion can abut against the lower abutting surface of the locating notch, the inner side wall of the wiring cavity is provided with an inclined surface below the locating notch, and the inclined surface is connected with the lower abutting surface of the locating notch.

Through adopting above-mentioned scheme, the up end of interior blocking part can conflict on the last conflict face of location notch, and the lower terminal surface of interior blocking part can conflict on the lower conflict face of location notch, and the restriction closing cap reciprocates, and the setting of inclined plane is convenient for interior blocking part packs into the location notch, simple structure, reasonable in design.

The utility model is further provided with the following steps: the shell comprises a base and an end cover, the base is fixedly connected with the end cover, and a wiring cavity is formed between the base and the end cover.

Through adopting above-mentioned scheme, can assemble the closing cap on the base earlier, then fix the end cover on the base, simple structure, simple to operate.

The utility model is further described below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of a partial cross-sectional structure of an embodiment of the present utility model;

FIG. 3 is a schematic view of a first state of the closure;

FIG. 4 is a schematic view of a second state of the closure;

fig. 5 is a schematic view of a partial structure of the base.

In the figure: 1. a housing; 11. a wiring cavity; 111. a wire screw hole; 112. a terminal opening; 113. positioning the notch; 1131. an upper abutting surface; 1132. a lower abutting surface; 114. a first inner surface; 115. a second inner surface; 116. an inclined surface; 117. a third inner surface; 12. a base; 13. an end cap; 2. a cover; 21. an upper blocking portion; 211. an upper blocking boss; 22. an outer barrier; 221. an outer blocking boss; 23. an inner barrier; 231. and a limit boss.

Detailed Description

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

As shown in fig. 1-5, a safety cover device of a circuit breaker comprises a housing 1, wherein a wiring cavity 11 is arranged at a wiring position of the housing 1, three cylindrical wiring screw holes 111 are arranged on the top wall of the wiring cavity 11 in the housing 1, a wiring terminal opening 112 is arranged on the outer side wall of the wiring cavity 11 in the housing 1, a positioning notch 113 is arranged on the inner side wall of the wiring cavity 11 in the housing 1, the safety cover device further comprises a cover 2, the cover 2 is arranged in the wiring cavity 11, the cover 2 comprises an integrally arranged upper blocking part 21, an outer blocking part 22 and an inner blocking part 23, three cylindrical upper blocking bosses 211 are integrally arranged on the upper end face of the upper blocking part 21, the cylindrical upper blocking bosses 211 are matched with the cylindrical wiring screw holes 111 in shape, the three cylindrical upper blocking bosses 211 are respectively inserted into the corresponding cylindrical wiring screw holes 111, the outer side faces of the outer blocking parts 22 can be abutted against the first inner surfaces 114 of the outer side walls of the wiring cavity 11, the inner blocking parts 23 are arranged in the positioning notch 113, the inner blocking parts 23 are integrally provided with the upper blocking parts 23, and the limiting bosses 231 are integrally arranged on the upper blocking parts 21.

In the present embodiment, an outer blocking boss 221 is integrally provided on the outer side surface of the outer blocking portion 22, the outer blocking boss 221 is adapted to the shape of the terminal opening 112, and the outer blocking boss 221 is inserted into the terminal opening 112.

In this embodiment, the positioning slot 113 is provided with an upper abutting surface 1131 and a lower abutting surface 1132, the upper end surface of the inner blocking portion 23 may abut against the upper abutting surface 1131 of the positioning slot 113, the lower end surface of the inner blocking portion 23 may abut against the lower abutting surface 1132 of the positioning slot 113, the inner side wall of the wiring cavity 11 is provided with an inclined surface 116 below the positioning slot 113, and the inclined surface 116 is connected with the lower abutting surface 1132 of the positioning slot 113.

In this embodiment, the housing 1 includes a base 12 and an end cover 13, the base 12 and the end cover 13 are fixedly connected by screws, and a wiring cavity 11 is formed between the base 12 and the end cover 13.

And (3) assembling a sealing cover 2: the upper end surface of the upper blocking portion 21 is applied with a force to slightly deform the cover (2) and put it into the wiring cavity 11, so that the upper blocking boss 211 is firstly abutted against the third inner surface 117 of the top wall of the wiring cavity 11, the inner blocking portion 23 is abutted against the inclined surface 116, then the upper blocking boss 211 is moved into the cylindrical wiring screw hole 11, the outer blocking boss 221 is inserted into the wiring terminal opening 112, and the inner blocking portion 23 is moved into the positioning notch 113.

The above embodiments are only preferred embodiments of the present utility model, and common variations and substitutions by those skilled in the art within the scope of the technical solution of the present utility model are included in the scope of the present utility model.

Claims

1. The utility model provides a safety closing cap device of circuit breaker, includes the casing, and the casing is provided with wiring chamber, its characterized in that in wiring department: the utility model discloses a wiring cavity, including casing, wire cavity, shell, sealing cover, wherein the casing is provided with three cylindrical wiring screw hole on the roof of wire cavity, the casing is provided with the wiring end mouth at the lateral wall of wire cavity, the casing is provided with the location notch at the inside wall of wire cavity, still including the closing cover, the closing cover is arranged in the wire cavity, the closing cover includes the upper barrier portion that an organic whole set up, outer barrier portion and interior barrier portion, be provided with three cylindrical boss that blocks on the up end of upper barrier portion, cylindrical boss and cylindrical wiring screw hole shape adaptation that blocks, three cylindrical boss that blocks inserts respectively and locate corresponding cylindrical wiring screw hole, the lateral surface of outer barrier portion can be inconsistent with the first internal surface of the lateral wall of wire cavity, the lateral surface of outer barrier portion shelters from the wiring end mouth, interior barrier portion is placed in the location notch, still be provided with spacing boss's terminal surface can be inconsistent with the second internal surface of the inside wall of wire cavity.

2. The safety cover device of a circuit breaker according to claim 1, wherein: an outer blocking boss is arranged on the outer side face of the outer blocking portion, the outer blocking boss is matched with the shape of the wiring terminal opening, and the outer blocking boss is inserted into the wiring terminal opening.

3. A safety cover device for a circuit breaker according to claim 1 or 2, characterized in that: the locating notch is provided with an upper abutting surface and a lower abutting surface, the upper end surface of the inner blocking portion can abut against the upper abutting surface of the locating notch, the lower end surface of the inner blocking portion can abut against the lower abutting surface of the locating notch, the inner side wall of the wiring cavity is provided with an inclined surface below the locating notch, and the inclined surface is connected with the lower abutting surface of the locating notch.

4. A safety cover device for a circuit breaker according to claim 1 or 2, characterized in that: the shell comprises a base and an end cover, the base is fixedly connected with the end cover, and a wiring cavity is formed between the base and the end cover.