CN219476591U

CN219476591U - Moisture-proof and dust-proof molded case circuit breaker

Info

Publication number: CN219476591U
Application number: CN202320488042.9U
Authority: CN
Inventors: 苏立新
Original assignee: Jiangsu Ankog Electrical Co ltd
Current assignee: Jiangsu Ankog Electrical Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-08-04
Anticipated expiration: 2033-03-14

Abstract

The utility model discloses a moisture-proof and dust-proof molded case circuit breaker which comprises a circuit breaker and a wire, wherein a wiring groove is formed in the circuit breaker, a square groove and a thread groove are sequentially formed in the left side of the wiring groove from top to bottom, a sliding groove is formed in the upper portion of the right side of the wiring groove, a fixed plate is fixedly connected in the square groove, a groove I with a semicircular structure is formed in the middle of the right end of the fixed plate, a cover plate is covered at the opening of the right end of the wiring groove, an embedded plate is fixedly connected to the upper end of the left side of the cover plate, a groove II with a semicircular structure is formed in the middle of the left end of the embedded plate, two sides of the embedded plate are inserted into the sliding groove, and the wire is inserted between the groove I and the groove II. The utility model discloses a close fixed plate and embedded plate together for recess one and recess two crowded tight wires make the sealed pad crowded tight between fixed plate and the embedded plate simultaneously, play sealed effect, prevent like this that moisture and dust from getting into the wiring inslot, make the circuit breaker have dampproofing dirt-proof function, and then improved the performance of circuit breaker.

Description

Moisture-proof and dust-proof molded case circuit breaker

Technical Field

The utility model relates to the technical field of molded case circuit breakers, in particular to a moisture-proof and dust-proof molded case circuit breaker.

Background

The molded case circuit breaker can automatically cut off the current after the current exceeds the trip setting. Plastic housing refers to the use of plastic insulators as the housing of the device to isolate the conductors from each other and from the grounded metal parts. But the wiring groove of the existing molded case circuit breaker does not have the dampproof and dustproof functions, so that the joint in the wiring groove is easily affected by moisture and dust, short circuit occurs, and the using effect of the circuit breaker is poor.

Disclosure of Invention

The utility model aims to provide a moisture-proof and dust-proof plastic-case circuit breaker, which solves the problem that the plastic-case circuit breaker provided in the background art cannot be moisture-proof and dust-proof.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a dustproof moulded case circuit breaker of dampproofing, includes circuit breaker and wire, be equipped with wiring groove on the circuit breaker, wiring groove left side has opened square groove and thread groove from last to lower in proper order, and right side upper portion is opened there is the spout, the rigid coupling has the fixed plate in the square groove, fixed plate right-hand member middle part is equipped with semicircular structure's recess one, wiring groove right-hand member opening part closing cap has the apron, apron left side upper end fixedly connected with embedded plate, embedded plate left end middle part is equipped with semicircular structure's recess two, the embedded plate both sides are inserted in the spout, have inserted between recess one and the recess two the wire.

Further, the lower end of the cover plate is rotationally connected with a bolt, a limiting plate of an annular structure is sleeved and fixed on the bolt, the left end of the bolt penetrates through the wiring plate of the wire and is screwed into the thread groove, and the limiting plate props against the wiring plate of the wire.

Further, a sealing gasket is attached to the right end face of the fixing plate.

Further, a sealing gasket is attached to the left end face of the embedded plate.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the fixing plate and the embedded plate are combined together, so that the first groove and the second groove squeeze the lead, and meanwhile, the sealing gasket between the fixing plate and the embedded plate squeezes tightly, so that the sealing effect is realized, moisture and dust are prevented from entering the wiring groove, the circuit breaker has the functions of moisture resistance and dust resistance, and the service performance of the circuit breaker is further improved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a partial cross-sectional view of the present utility model;

FIG. 2 is a cross-sectional view of a wiring duct in accordance with the present utility model;

FIG. 3 is a top view of the present utility model;

fig. 4 is a right side view of fig. 2.

In the figure: 1. a circuit breaker; 2. a wire; 3. wiring grooves; 4. a square groove; 5. a thread groove; 6. a chute; 7. a fixing plate; 8. a groove I; 9. a cover plate; 10. an embedded plate; 11. a second groove; 12. a bolt; 13. and a limiting plate.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

According to an embodiment of the utility model, a moisture-proof and dust-proof molded case circuit breaker is provided.

Embodiment one:

as shown in fig. 1-4, the moisture-proof and dust-proof molded case circuit breaker comprises a circuit breaker 1 and a lead 2, wherein a wiring groove 3 is formed in the circuit breaker 1, a square groove 4 and a thread groove 5 are sequentially formed in the left side of the wiring groove 3 from top to bottom, a chute 6 is formed in the upper part of the right side, a fixed plate 7 is fixedly connected in the square groove 4, a semicircular groove I8 is formed in the middle of the right end of the fixed plate 7, a cover plate 9 is covered at the opening of the right end of the wiring groove 3, an embedded plate 10 is fixedly connected at the upper end of the left side of the cover plate 9, a semicircular groove II 11 is formed in the middle of the left end of the embedded plate 10, two sides of the embedded plate 10 are inserted into the chute 6, and the lead 2 is inserted between the groove I8 and the groove II 11;

embodiment two:

the lower end of the cover plate 9 is rotationally connected with a bolt 12, a limit plate 13 with an annular structure is sleeved and fixed on the bolt 12, the left end of the bolt 12 penetrates through the wiring board of the lead 2 and is screwed into the thread groove 5, and the limit plate 13 props against the wiring board of the lead 2;

a sealing gasket is attached to the right end face of the fixed plate 7;

a sealing gasket is attached to the left end face of the embedded plate 10;

the working principle of the utility model is as follows:

when the lead 2 is installed, the lead 2 is inserted into the wiring groove 3, the lead 2 is placed in the first groove 8 on the fixed plate 7, then the cover plate 9 is covered on the opening of the right end of the wiring groove 3, then the left end of the bolt 12 penetrates through the wiring plate of the lead 2 and is screwed into the thread groove 5, in the process of screwing in the bolt 12, the embedded plate 10 of the cover plate 9 is inserted into the sliding groove 6 on the wiring groove 3 and moves inwards along the sliding groove 6, when the left end of the bolt 12 is completely screwed into the thread groove 5, the embedded plate 10 is completely inserted into the sliding groove 6 at the moment, so that the second groove 11 on the embedded plate 10 is tightly combined with the first groove 8 on the fixed plate 7, and meanwhile, after the bolt 12 is screwed up, a sealing gasket at the right end of the fixed plate 7 is tightly pressed with a sealing gasket at the left end of the embedded plate 10, so that the sealing effect is further enhanced;

therefore, the fixing plate 7 and the embedded plate 10 are combined together, so that the first groove 8 and the second groove 11 are tightly pressed against the lead 2, and meanwhile, the sealing gasket between the fixing plate 7 and the embedded plate 10 is tightly pressed against the lead, so that the sealing effect is achieved, moisture and dust are prevented from entering the wiring groove 3, the circuit breaker has the functions of moisture prevention and dust prevention, and the service performance of the circuit breaker is further improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a dustproof moulded case circuit breaker of dampproofing, includes circuit breaker (1) and wire (2), its characterized in that: be equipped with wiring groove (3) on circuit breaker (1), wiring groove (3) left side is from last to having opened square groove (4) and thread groove (5) in proper order down, and right side upper portion is opened there is spout (6), rigid coupling has fixed plate (7) in square groove (4), fixed plate (7) right-hand member middle part is equipped with semicircular structure's recess one (8), wiring groove (3) right-hand member opening part closing cap has apron (9), apron (9) left side upper end fixedly connected with embedded plate (10), embedded plate (10) left end middle part is equipped with semicircular structure's recess two (11), embedded plate (10) both sides are inserted in spout (6), have been inserted between recess one (8) and recess two (11) wire (2).

2. A moisture and dust resistant molded case circuit breaker as in claim 1 wherein: the lower end of the cover plate (9) is rotationally connected with a bolt (12), a limiting plate (13) with an annular structure is sleeved and fixed on the bolt (12), the left end of the bolt (12) penetrates through the wiring plate of the lead (2) and is screwed into the thread groove (5), and the limiting plate (13) props against the wiring plate of the lead (2).

3. A moisture and dust resistant molded case circuit breaker as in claim 1 wherein: and a sealing gasket is attached to the right end face of the fixing plate (7).

4. A moisture and dust resistant molded case circuit breaker as in claim 1 wherein: and a sealing gasket is attached to the left end face of the embedded plate (10).