TWM580256U - Linking hole sealing structure for small circuit breaker - Google Patents

Abstract

A linkage hole closing structure of a small circuit breaker includes a bottom plate, an upper cover is coupled to the bottom plate, a handle is pivotally arranged on the bottom plate and is adjacent to the upper cover; the characteristic of the closing hole closing structure of the small circuit breaker is: two linkages The holes are respectively provided in the bottom plate and the upper cover, and are used for inserting a linkage structure when more than two small circuit breakers are to be combined, so that the two small circuit breakers are connected by the linkage structure, and the linkage hole has A groove part and a beveled part are arranged on the groove part.

Description

Closed structure of linkage hole of small circuit breaker

This creation is about a circuit breaker, especially a closed circuit structure of a small circuit breaker.

Miniature circuit breaker, which can be applied to the main switch and sub-current control switch used on the wiring, is an important component for protecting electrical appliances, which is mainly used as short circuit protection and to prevent serious overload. The motor load line protection on industrial machines will also be specified Use a circuit breaker as one of the protection devices. When the circuit breaker detects a short circuit, leakage, or severe overload, the circuit breaker can immediately trip to protect the circuit and electrical appliances.

As shown in FIG. 1, the conventional miniature circuit breaker includes a bottom plate 30, and an upper cover 31 is coupled to the bottom plate 30. The bottom plate 30 and the upper cover 31 are each provided with a linkage hole 32. When the linkage hole 32 is to be closed, A cover (not shown) needs to be attached to the interlocking hole 32. When the interlocking hole 32 is open, there may be doubts about the entry of foreign objects. In severe cases, it may even fail to conduct and cause a short circuit phenomenon, which jeopardizes the safety of the operator. Moreover, the interlocking hole 32 is open and the air tightness is poor. The hole 32 pops out, causing damage to the internal components of the circuit breaker; using the cover to close the interlocking hole 32, the cost of the component is high and it takes time to attach, and it is easy to fall off if the attachment is not tight enough.

Based on the above reasons, there is still room for improvement in the conventional technology. In view of this, the creator is actively researching, adding years of experience in research and development of related products, and after continuous Experimentation and improvement finally developed this creation.

The main purpose of this creation is to provide a small hole circuit breaker closed hole structure, which can reduce the use of components and attach man-hours, and prevent the entry of foreign objects, to avoid endangering the safety of operators.

In order to achieve the above purpose, the present invention provides a linkage hole closing structure of a small circuit breaker, including a bottom plate, an upper cover coupled to the bottom plate, a handle pivotally arranged on the bottom plate and adjacent to the upper cover; The characteristic of the closed structure of the linkage hole is that two linkage holes are respectively provided on the bottom plate and the upper cover. When more than two small circuit breakers are to be combined, they can be inserted into the linkage structure so that the two small circuit breakers can be borrowed Connected by a linkage structure, the linkage hole has a groove portion, and a beveled portion is provided on the groove portion.

In order to further understand the characteristics and technical content of this creation, please refer to the following detailed description and drawings related to this creation. However, the drawings are for reference and explanation only, and are not intended to limit the creation.

(This creation)

10‧‧‧Bottom plate

11‧‧‧Cover

12‧‧‧handle

20‧‧‧link hole

21‧‧‧Notch

22‧‧‧Bevel

(Conventional Technology)

30‧‧‧Bottom plate

31‧‧‧Cover

32‧‧‧link hole

FIG. 1 is a perspective view of a conventional technology.

Fig. 2 is a perspective view of a closed structure of a linkage hole of a small circuit breaker.

Fig. 3 is a plan view of a closed structure of a linkage hole of a small circuit breaker.

Please refer to Figure 2 to Figure 3, Figure 2 is the linkage hole seal for the creation of small circuit breaker The perspective view of the closed structure. Figure 3 is a plan view of the closed structure of the linkage hole of the small circuit breaker. This creation relates to a closed structure of a linkage hole of a small circuit breaker, including a bottom plate 10, an upper cover 11 coupled to the bottom plate 10, a handle 12 pivotally mounted on the bottom plate 10 and adjacent to the upper cover 11; There are components such as mechanism component, return component, quick-throw connecting rod, contact terminal and coil component, which will not be described here.

The characteristic of the closed structure of the linkage hole of the miniature circuit breaker is that the two linkage holes 20 are respectively provided on the bottom plate 10 and the upper cover 11 and are used to insert the linkage structure when more than two miniature circuit breakers are to be combined (Figure (Not shown), so that the two small circuit breakers are connected by an interlocking structure, the interlocking hole 20 has a groove portion 21, and a beveled portion 22 is provided on the groove portion 21.

According to the embodiment of the present invention, in general, the interlocking hole 20 is closed. When the interlocking hole 20 is to be opened, the interlocking hole 20 can be pried open only by using a tool, so the airtightness can be improved; When a short circuit occurs, the arc light will not rise to the mechanism part, thereby improving the short-circuit starting and breaking capacity.

In summary, the small circuit breaker structure created by the author can reduce the hours of using and attaching components, and prevent the entry of foreign objects, thus avoiding harm to the safety of operators.

The above-mentioned embodiments are only examples for the convenience of description, and the scope of the rights claimed in this creation should be subject to the scope of the patent application, and not limited to the above-mentioned embodiments.

Although this creation has been disclosed as above with the preferred embodiment, it is not used to limit this creation. Anyone who is familiar with this technology can make some changes and retouching without departing from the spirit and scope of this creation, so this creation The scope of protection shall be as defined in the scope of the attached patent application.

Claims (1)

A linkage hole closing structure of a small circuit breaker includes a bottom plate, an upper cover is coupled to the bottom plate, a handle is pivotally arranged on the bottom plate and is adjacent to the upper cover; the characteristic of the closing hole closing structure of the small circuit breaker is: two linkages The holes are respectively provided in the bottom plate and the upper cover, and are used for inserting a linkage structure when more than two small circuit breakers are to be combined, so that the two small circuit breakers are connected by the linkage structure, and the linkage hole has A groove part and a beveled part are arranged on the groove part.