CN220627710U - Mounting structure of terminal cover - Google Patents
Mounting structure of terminal cover Download PDFInfo
- Publication number
- CN220627710U CN220627710U CN202322056454.8U CN202322056454U CN220627710U CN 220627710 U CN220627710 U CN 220627710U CN 202322056454 U CN202322056454 U CN 202322056454U CN 220627710 U CN220627710 U CN 220627710U
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- CN
- China
- Prior art keywords
- terminal cover
- mounting structure
- breaker body
- circuit breaker
- terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005507 spraying Methods 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000016507 interphase Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model provides a mounting structure of terminal cover, it includes the circuit breaker body, be provided with binding post on the circuit breaker body and be used for external wire, its characterized in that: a terminal cover is mounted on the circuit breaker body below the terminal block. The installation structure of the whole terminal cover is suitable for the situation that the arc extinguishing chamber is arranged at the bottom of the circuit breaker, and is convenient for extinguishing the arc.
Description
Technical Field
The utility model belongs to the technical field of molded case circuit breakers, and particularly relates to a mounting structure of a terminal cover.
Background
The plastic shell circuit breaker is a common distribution protection electric appliance, has the functions of on/off and overload and short-circuit protection for supplying power to a load, and is widely applied to an electric power distribution system. The molded case circuit breaker has stronger arc extinguishing capability and can bear larger short-circuit current. However, when the plastic case circuit breaker bears a large short-circuit current, interphase short-circuits at the external wiring positions or short-circuits between adjacent products are easy to occur, so that the burning loss of the distribution box is caused, and in order to avoid the phenomenon that the interphase short-circuits at the external wiring positions or short-circuits between the adjacent products occur when the plastic case circuit breaker bears a large short-circuit current, the terminal cover is installed on the wiring end of the conventional plastic case circuit breaker.
In the existing circuit breaker, an arc extinguishing chamber is arranged on the side part of the circuit breaker, an arc spraying port of the arc extinguishing chamber is arranged above a wiring terminal, and a terminal cover is arranged in a manner of being installed from top to bottom of the circuit breaker. However, in some scenes, the arc extinguishing chamber is arranged at the bottom of the circuit breaker, the arc spraying port of the arc extinguishing chamber is arranged below the wiring terminal, and the installation mode of the existing terminal cover cannot block the arc spraying port of the arc extinguishing chamber, so that the aim of discharging an arc cannot be fulfilled.
Disclosure of Invention
The utility model aims at providing a mounting structure of a terminal cover, which is suitable for the situation that an arc extinguishing chamber is at the bottom of a circuit breaker and is convenient for discharging an arc, aiming at the situation that the prior terminal cover is mounted from top to bottom of the circuit breaker.
Technical proposal
In order to achieve the technical purpose, the utility model provides a mounting structure of a terminal cover, which comprises a circuit breaker body, wherein a wiring terminal is arranged on the circuit breaker body and is used for externally connecting wires, and the mounting structure is characterized in that: a terminal cover is mounted on the circuit breaker body below the terminal block.
In one embodiment, the arc spraying opening of the arc extinguishing chamber is positioned below the wiring terminal.
In one embodiment, the terminal cover is mounted on the circuit breaker body below the wiring terminal and corresponds to the arc spraying port of the arc extinguishing chamber.
In one embodiment, the terminal cover is a free terminal cover.
In one embodiment, the terminal cover is integrally mounted on the circuit breaker body.
In one embodiment, the terminal cover is mounted on the circuit breaker body in a split type.
In one embodiment, the terminal cover is mounted on the circuit breaker body from bottom to top.
In one embodiment, the terminal cover is mounted on the circuit breaker body from left to right.
In one embodiment, a protective terminal cover is mounted on the circuit breaker body above the terminal block to improve the level of protection against electric shock.
In one embodiment, the lower end surface of the protective terminal cover abuts against the upper end surface of the terminal cover.
Advantageous effects
The utility model provides a mounting structure of a terminal cover, which comprises a circuit breaker body, wherein a wiring terminal is arranged on the circuit breaker body and used for externally connecting a wire, and the terminal cover is mounted on the circuit breaker body and positioned below the wiring terminal. The whole terminal cover mounting structure is suitable for the situation that the arc extinguishing chamber is arranged at the bottom of the circuit breaker, and is convenient for discharging an arc.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a terminal cover mounting structure in embodiment 1 of the present utility model;
fig. 2 is a schematic view showing a mounting structure of a protective terminal cover in embodiment 1 of the present utility model;
fig. 3 is a schematic view of a product in which a terminal cover is mounted on a breaker body in embodiment 1 of the present utility model;
fig. 4 is a schematic view of a product of the protection terminal cover on the breaker body in embodiment 1 of the present utility model;
fig. 5 is a schematic view showing the structure of a protective terminal cover in embodiment 1 of the present utility model;
fig. 6 is a schematic view of a terminal cover mounting structure in embodiment 2 of the present utility model;
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used in the description of the present application for purposes of illustration only and do not represent the only embodiment.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.
In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be a direct contact of the first feature with the second feature, or an indirect contact of the first feature with the second feature via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely under the second feature, or simply indicating that the first feature is less level than the second feature.
Unless defined otherwise, all technical and scientific terms used in the specification of this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. The term "and/or" as used in the specification of this application includes any and all combinations of one or more of the associated listed items.
Example 1
In the existing circuit breaker, an arc extinguishing chamber is arranged on the side part of the circuit breaker, an arc spraying port of the arc extinguishing chamber is arranged above a wiring terminal, and a terminal cover is arranged in a manner of being installed from top to bottom of the circuit breaker. However, in some scenes, the arc extinguishing chamber is arranged at the bottom of the circuit breaker, the arc spraying port of the arc extinguishing chamber is arranged below the wiring terminal, and the installation mode of the existing terminal cover cannot block the arc spraying port of the arc extinguishing chamber, so that the aim of extinguishing an arc cannot be fulfilled.
In order to solve this problem, as shown in fig. 1,2,3 and 4, the present embodiment provides a mounting structure of a terminal cover, which includes a circuit breaker body 1, a connection terminal 2 provided on the circuit breaker body 1 for externally connecting a wire 3, wherein a terminal cover 4 is mounted on the circuit breaker body 1 below the connection terminal 2. The arc spraying opening of the arc extinguishing chamber 5 is positioned below the wiring terminal 2.
Specifically, the terminal cover 4 is mounted on the breaker body 1 and located below the wiring terminal 2 and corresponds to the arc spraying opening of the arc extinguishing chamber 5. In this embodiment, the terminal cover 4 is a free terminal cover. The terminal cover 4 is integrally mounted on the breaker body 1.
Specifically, since the terminal is mounted on the terminal cover, the terminal cover 4 is mounted on the breaker body 1 by screws 7 from bottom to top. Alternatively, the terminal cover 4 is mounted on the breaker body 1 from left to right.
Meanwhile, a protective terminal cover 6 as shown in fig. 5 is mounted on the breaker body 1 above the wiring terminal 2, and the lower end surface of the protective terminal cover 6 abuts against the upper end surface of the terminal cover 4, so that a safety protection effect is played for a user. The protective terminal cover 6 includes an upper cavity and a lower cavity, and the lead is passed out of the lower cavity. The upper cavity is a cavity.
Example 2
As shown in fig. 6, in this embodiment, the terminal cover 4 is mounted on the breaker body 1 in a split type. The terminal cover 4 is fixedly mounted on a base plate (the base plate is not shown) and then the breaker body is fitted with the terminal cover 4 from top to bottom. Other structures are the same as those of embodiment 1.
Specifically, the terminal cover 4 has two mounting lugs 401 on each side, and the screws pass through the mounting lugs 401 to fix the terminal cover 4 on the bottom plate, and then the breaker body is inserted into the terminal cover 4 from top to bottom.
The mounting structure of the terminal cover provided by the embodiment is suitable for the situation that the arc extinguishing chamber is arranged at the bottom of the circuit breaker, and is convenient for discharging an arc.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the present application. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
Claims (10)
1. The utility model provides a mounting structure of terminal cover, it includes circuit breaker body (1), be provided with binding post (2) on circuit breaker body (1) and be used for external wire (3), its characterized in that: a terminal cover (4) is mounted on the circuit breaker body (1) below the wiring terminal (2).
2. The mounting structure of a terminal cover according to claim 1, wherein: the arc spraying opening of the arc extinguishing chamber (5) is positioned below the wiring terminal (2).
3. The mounting structure of a terminal cover according to claim 2, wherein: the terminal cover (4) is arranged on the breaker body (1) and positioned below the wiring terminal (2) and corresponds to the arc spraying opening of the arc extinguishing chamber (5).
4. The mounting structure of a terminal cover according to claim 1, wherein: the terminal cover (4) is a free terminal cover.
5. The mounting structure of a terminal cover according to claim 1, wherein: the terminal cover (4) is installed on the breaker body (1) to form an integral type.
6. The mounting structure of a terminal cover according to claim 1, wherein: the terminal cover (4) is installed on the breaker body (1) in a split type.
7. The mounting structure of a terminal cover according to claim 1, wherein: the terminal cover (4) is arranged on the breaker body (1) from bottom to top.
8. The mounting structure of a terminal cover according to claim 1, wherein: the terminal cover (4) is arranged on the breaker body (1) from left to right.
9. The mounting structure of a terminal cover according to claim 1, wherein: the protective terminal cover (6) is arranged on the breaker body (1) and is positioned above the wiring terminal (2).
10. The mounting structure of a terminal cover according to claim 9, wherein: the lower end face of the protective terminal cover (6) is abutted with the upper end face of the terminal cover (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322056454.8U CN220627710U (en) | 2023-08-01 | 2023-08-01 | Mounting structure of terminal cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322056454.8U CN220627710U (en) | 2023-08-01 | 2023-08-01 | Mounting structure of terminal cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220627710U true CN220627710U (en) | 2024-03-19 |
Family
ID=90234599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322056454.8U Active CN220627710U (en) | 2023-08-01 | 2023-08-01 | Mounting structure of terminal cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220627710U (en) |
-
2023
- 2023-08-01 CN CN202322056454.8U patent/CN220627710U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |