CN219267576U - Electric parts and circuit breakers - Google Patents

Abstract

The utility model belongs to the technical field of low-voltage electrical appliances, and discloses a power-taking part and a circuit breaker. The circuit breaker includes a casing, a circuit board and a power-taking part, and the circuit board and the power-taking part are arranged in the casing. The power hole and the power-taking part include an elastic body, the elastic body is fixed in the casing, and the elastic body is provided with a plug-in part, and the plug-in part is plugged into the power-take hole. In the power-taking part provided by the utility model, the socket part is plugged into the power-taking hole of the circuit board, and the hole wall of the power-taking hole presses the socket part so that the socket part is elastically deformed, and then the socket part and the socket part are connected. The hole wall of the power-taking hole is stable in contact, realizing a stable electrical connection between the socket part and the circuit board, and the assembly between the power-taking part and the circuit board can be completed without welding the power-taking part, which effectively improves production efficiency.

Description

Electric parts and circuit breakers

technical field

The utility model relates to the technical field of low-voltage electrical appliances, in particular to a power-taking part and a circuit breaker.

Background technique

Residual current operated circuit breakers are generally used to switch on, carry and break current under normal working conditions, and mechanical switching devices that disconnect contacts when the residual current reaches a specified value under specified conditions.

At present, the residual current operated circuit breaker generally takes power by welding the wire and the circuit board, and the power is obtained by welding the wire and the circuit board, and the welding process is added during assembly, whether the assembly is completed manually or through automated equipment. , the assembly process is more complicated, affecting production efficiency. Therefore, there is an urgent need for a power-taking part and a circuit breaker to solve the above-mentioned technical problems.

Utility model content

An object of the present invention is to provide a power-taking part, which can be electrically connected to a circuit board without welding to realize the power-taking function, and is convenient for assembly.

For this purpose, the utility model adopts the following technical solutions:

A power-taking part is provided, which is applied to a circuit breaker. The circuit breaker includes a casing and a circuit board arranged in the casing. The circuit board is provided with a power-taking hole, and the power-taking part includes an elastic body. The elastic main body is used to be fixed in the housing, and the elastic main body is provided with a plug-in part, and the plug-in part is used to be plugged into the power-taking hole and is elastically connected to the wall of the power-taking hole. abut and electrically connect with the circuit board.

Optionally, the plug-in part includes a first bent arm and a second bent arm that are oppositely arranged, and both the first bent arm and the second bent arm are used for plugging into the power-taking The hole is in elastic contact with the hole wall of the power-taking hole.

Optionally, an extension part is provided on the elastic body, an end of the extension part is connected to the socket part, and the extension part is used to make the socket part correspond to the power-taking hole.

Optionally, a positioning portion is provided on the insertion portion, and the positioning portion is used to abut against the housing to fix the insertion portion in the power-taking hole.

Optionally, a support portion is provided on the elastic body, and the support portion is used to abut against the housing so that the insertion portion always has a side that abuts against the hole wall of the power-taking hole. Mobile trends.

Optionally, the elastic body is a torsion spring.

Optionally, the power-taking member is an elastic metal wire.

Another purpose of the utility model is to provide a circuit breaker, which is easy to assemble and has high production efficiency.

For this purpose, the utility model adopts the following technical solutions:

A circuit breaker is provided, including a casing, a circuit board and the above-mentioned power-taking part.

Optionally, the elastic body is provided with a through hole, and the housing is provided with a fixing column, and the fixing column passes through the through hole.

Optionally, a positioning slot is provided in the housing, and the insertion part is provided in the positioning slot.

Beneficial effect:

In the power-taking part provided by the utility model, the socket part is plugged into the power-taking hole, and the hole wall of the power-taking hole presses the socket part so that the socket part is elastically deformed, so that the socket part and the power-taking hole The wall of the hole is stably abutted, realizing a stable electrical connection between the socket part and the circuit board, and facilitating the assembly between the power-taking part and the circuit board. In addition, the elastic body is fixed in the housing to facilitate the assembly of the power-taking part and the housing, and the position of the plug-in part is positioned by the elastic body so that the power-taking part maintains an electrical connection with the circuit board more stably.

The circuit breaker provided by the utility model can complete the assembly between the power-taking part and the circuit board without welding the power-taking part, thereby effectively improving production efficiency.

Description of drawings

Fig. 1 is a schematic structural view of the power-taking part provided by the utility model;

Fig. 2 is a partial structural schematic diagram of the circuit breaker provided by the utility model;

Fig. 3 is another partial structural schematic diagram of the circuit breaker provided by the utility model;

Fig. 4 is a schematic diagram of a partial structure of the housing provided by the present invention.

In the picture:

100, shell; 110, fixed column; 120, positioning groove; 130, through groove; 140, inner support surface;

200, circuit board; 210, electric hole;

300, power-taking part; 310, elastic main body; 311, through hole; 320, socket part; 321, first bending arm; 322, second bending arm; 330, extension part; 340, positioning part; 350, support section.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail. It can be understood that the specific embodiments described here are only used to explain the utility model, rather than limit the utility model. In addition, it should be noted that, for the convenience of description, only some structures related to the present utility model are shown in the drawings but not all structures.

In the description of the present utility model, unless otherwise clearly stipulated and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or a Integral; it can be mechanically or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

In the present invention, unless otherwise clearly specified and limited, the first feature being "on" or "under" the second feature may include direct contact between the first and second features, and may also include the first and second features being in direct contact with each other. The features are not in direct contact but through another feature between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this embodiment, the terms "up", "down", "right", and other orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operations, rather than indicating Or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in description, and have no special meaning.

Referring to FIGS. 1 to 3 , this embodiment discloses a circuit breaker, which includes a housing 100 , a circuit board 200 and a power-taking part 300 .

Specifically, both the circuit board 200 and the power-taking component 300 are disposed in the housing 100 , and the circuit board 200 is electrically connected to the power-taking component 300 to realize the power-taking function.

Further, the circuit board 200 is provided with a power-taking hole 210 , and the power-taking component 300 is plugged into the power-taking hole 210 to be electrically connected with the circuit board 200 .

Specifically, the power-taking part 300 includes an elastic body 310 , the elastic body 310 is fixed in the housing 100 , and the elastic body 310 is provided with a plug-in portion 320 , and the plug-in portion 320 is plugged into the power-taking hole 210 and connected to the power-taking hole 210 The wall of the hole elastically abuts and is electrically connected with the circuit board 200 .

In this embodiment, the assembly between the power-taking part 300 and the circuit board 200 can be completed without welding the power-taking part 300 , which effectively improves production efficiency. Specifically, the plug-in portion 320 of the power-taking part 300 is plugged into the power-taking hole 210 of the circuit board 200, and the hole wall of the power-taking hole 210 presses the plug-in portion 320 so that the plug-in portion 320 is elastically deformed, and then The plugging portion 320 is stably contacted with the hole wall of the power-taking hole 210 to realize a stable electrical connection between the plugging portion 320 and the circuit board 200 , which facilitates the assembly between the power-taking part 300 and the circuit board 200 . In addition, the elastic body 310 is fixed in the casing 100 to facilitate the assembly of the power-taking part 300 and the casing 100, and the position of the socket part 320 is positioned by the elastic body 310, so that the power-taking part 300 is more stably maintained with the circuit board 200 electrical connections.

Exemplarily, the power-taking part 300 is an elastic metal wire, which is formed by bending to facilitate the processing and manufacturing of the power-taking part 300 . Of course, the power-taking component 300 can also be bent and formed by elastic sheets or other elastic components, which will not be limited here.

Exemplarily, the plug-in portion 320 of the power-taking part 300 is plugged into the power-taking hole 210 of the circuit board 200 , and the hole wall of the power-taking hole 210 presses against the plug-in portion 320 so that the plug-in portion 320 is elastically deformed, It can be in a manner similar to the shaft hole interference fit.

In this embodiment, continue to refer to FIG. 1 to FIG. 3 , the elastic body 310 is provided with a through hole 311, the housing 100 is provided with a fixing column 110, and the fixing column 110 is penetrated through the through hole 311 to realize the power taking part 300 The positioning and assembly relative to the housing 100 is simple and convenient.

Exemplarily, the elastic body 310 is a torsion spring, and the helical hole of the torsion spring is the through hole 311 , which facilitates the molding and manufacture of the elastic body 310 , and the structure of the elastic body 310 is stable. Of course, the elastic body 310 may also be in other structural forms, which will not be limited here.

In this embodiment, continue referring to FIG. 1 to FIG. 3 , the housing 100 is provided with a positioning groove 120, and the insertion part 320 is disposed in the positioning groove 120, so as to further locate the position of the insertion part 320 relative to the housing 100, It is convenient for positioning and assembling among the housing 100 , the circuit board 200 and the power-taking part 300 .

Specifically, the insertion part 320 includes a first bent arm 321 and a second bent arm 322 that are oppositely disposed. The hole wall of the electrical hole 210 elastically contacts. Wherein, the first bending arm 321 and the second bending arm 322 are both disposed in the positioning groove 120 . Exemplarily, the insertion part 320 can be bent and formed, for example, the insertion part 320 can be bent into a U shape, which is convenient for forming. Of course, the insertion part 320 can also be in other forms. For example, when the power-taking part 300 is bent and formed by an elastic sheet, the cross-sectional shape of the insertion part 320 can be V-shaped, which can be understood as the insertion part 320 is an angle iron. shape, the socket part 320 abuts against the power-taking hole 210 through three side lines.

In this embodiment, when the socket part 320 is plugged into the power-taking hole 210, the first bent arm 321 and the second bent arm 322 always have a tendency to open, so that the first bent arm 321 and the second bent arm 322 The second bending arms 322 are all tightly against the hole wall of the power-taking hole 210 , thereby making the power-taking element 300 maintain a stable electrical connection with the circuit board 200 . Wherein, the first bending arm 321 and the second bending arm 322 always have a tendency to open, which means that under the action of the elastic potential energy of the insertion part 320 itself, the end of the first bending arm 321 and the second bending The ends of the arms 322 always keep a tendency to move away from each other. The ends of the first bent arm 321 and the second bent arm 322 are two opposite ends of the U-shaped inserting portion 320 .

Specifically, according to the structural shape of the insertion portion 320, the power-taking hole 210 can be configured as a waist hole or an oval hole. Of course, the electricity extraction hole 210 can also be in other shapes, which will not be limited here.

In a feasible implementation manner, when the socket part 320 is plugged into the power-taking hole 210, the range of the angle α between the first bending arm 321 and the second bending arm 322 can be: 0° ≥α>180°, so as to make the connection between the socket part 320 and the power-taking hole 210 stable. Preferably, when the insertion portion 320 is plugged into the power-taking hole 210 , the first bending arm 321 and the second bending arm 322 are arranged in parallel.

It is worth mentioning that the insertion part 320 penetrates from the first side of the circuit board 200 to the power-taking hole 210 and is exposed on the second side of the circuit board 200, so as to prevent the insertion part 320 from detaching from the power-taking hole 210. .

In this embodiment, as shown in FIG. 1 and FIG. 3 , an extension part 330 is provided on the elastic body 310, and the end of the extension part 330 is connected to the insertion part 320. The extension part 330 is used to connect the insertion part 320 to the take-off The electric hole 210 is corresponding. In this embodiment, the position of the insertion portion 320 relative to the elastic body 310 is adjusted through the design of the extension portion 330, so that the insertion direction of the insertion portion 320 toward the power-taking hole 210 corresponds to the power-taking hole 210, which is convenient. Positioning and assembling among the casing 100 , the circuit board 200 and the power-taking part 300 .

Specifically, the casing 100 is provided with a through groove 130 communicating with the positioning groove 120, and the extension part 330 is arranged in the through groove 130. The design of the through groove 130 in conjunction with the positioning groove 120 can further limit the position of the power-taking part 300, which is convenient Positioning and assembly among the housing 100 , the circuit board 200 and the power-taking part 300 .

In a feasible implementation manner, the range of the included angle β between the extension part 330 and the insertion part 320 may be: 60°≥β≥150°. For example, the angle β between the extension portion 330 and the insertion portion 320 is 90°.

In this embodiment, continue referring to FIG. 1 , FIG. 3 and FIG. 4 , the insertion portion 320 is provided with a positioning portion 340 , and the positioning portion 340 is used to abut against the housing 100 to fix the insertion portion 320 so that the insertion portion 320 The connecting portion 320 is stably plugged into the power-taking hole 210 of the circuit board 200 , so that the plugging portion 320 is electrically connected to the circuit board 200 stably. In this embodiment, the positioning portion 340 abuts against the bottom of the positioning groove 120 to ensure the insertion position accuracy of the insertion portion 320 along the axial direction of the power extraction hole 210 .

Specifically, the positioning portion 340 is formed by bending the second bending arm 322 , which is convenient for forming. Exemplarily, the angle γ between the positioning portion 340 and the second bending arm 322 is 90°, which ensures that the positioning portion 340 abuts against the housing 100 stably. In this embodiment, the cross-sectional shape of the positioning groove 120 is a rectangle, and the length L of the positioning portion 340 is less than or equal to the width B of the positioning groove 120, thereby restricting the positioning of the insertion portion 320 along the width direction of the positioning groove 120, and through the through groove 130 cooperates with the extension part 330 to limit the positioning of the insertion part 320 along the length direction of the positioning groove 120 , thereby ensuring the installation accuracy of the insertion part 320 . Wherein, the direction a in FIGS. 2 to 4 is the length direction of the positioning groove 120 , and the direction b is the width direction of the positioning groove 120 . Certainly, the shape of the positioning groove 120 and the structural shape of the positioning portion 340 may also be other shapes, which are not limited here.

In this embodiment, continue to refer to FIG. 1 to FIG. 3 , the elastic body 310 is provided with a support portion 350 , the support portion 350 is used to abut against the housing 100 so that the insertion portion 320 always has a direction toward the power-taking hole 210 The tendency of the abutting side of the hole wall to move. In this embodiment, when the socket part 320 is plugged into the power-taking hole 210, even if the hole wall of the power-taking hole 210 presses the socket part 320, the elastic deformation of the socket part 320 is small or does not deform. At the same time, through the design of the support part 350, the plug part 320 can also be stably abutted against one side of the power-taking hole 210, effectively ensuring that the power-taking part 300 maintains a stable electrical connection with the circuit board 200. In addition, the design of the support part 350 can make the wall of the through hole 311 of the elastic body 310 abut against the fixed column 110 to realize the precise positioning between the elastic body 310 and the fixed column 110 , and then realize the power-taking part 300 relative to the housing 100 location targeting.

Specifically, the housing 100 is provided with an inner support surface 140, and the support portion 350 abuts against the inner support surface 140, and acts on the support portion 350 through the inner support surface 140, so that the power-taking part 300 is elastically deformed, and then the insertion portion 320 is realized. There is always a tendency to move toward the side abutting against the hole wall of the power-taking hole 210 .

Specifically, taking the elastic body 310 as a torsion spring as an example, the support portion 350 is the first end spring arm of the elastic body 310 , and the extension portion 330 , the insertion portion 320 and the positioning portion 340 are the second end spring arms of the elastic body 310 .

It is worth mentioning that the length of the extension part 330 is greater than the length of the support part 350, and the through hole 311 of the elastic body 310 is sleeved at the end where the support part 350 is provided towards the fixed column 110. It can also be understood that the extension part 330 is located at the elastic The end of the main body 310 facing the outside of the housing 100 , the extension part 330 is more likely to be elastically deformed than the support part 350 , which facilitates the installation of the power-taking component 300 in the housing 100 .

Apparently, the above-mentioned embodiments of the present utility model are only examples for clearly illustrating the present utility model, rather than limiting the implementation manner of the present utility model. Various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. It is not necessary and impossible to exhaustively list all the implementation manners here. All modifications, equivalent replacements and improvements made within the spirit and principles of the utility model shall be included in the protection scope of the claims of the utility model.

Claims (10)

1. Get electric spare, be applied to the circuit breaker, the circuit breaker include shell (100) and set up in circuit board (200) in shell (100), be provided with on circuit board (200) and get electric hole (210), its characterized in that, get electric spare includes elastic body (310), elastic body (310) are used for being fixed in shell (100), be provided with grafting portion (320) on elastic body (310), grafting portion (320) are used for peg graft in get electric hole (210) and with get the pore wall elasticity butt of electric hole (210) and with circuit board (200) electric connection.

2. The power taking part according to claim 1, wherein the plugging portion (320) includes a first bending arm (321) and a second bending arm (322) which are disposed opposite to each other, and the first bending arm (321) and the second bending arm (322) are both used for plugging in the power taking hole (210) and elastically abutting against a hole wall of the power taking hole (210).

3. The power taking part according to claim 1, wherein an extension portion (330) is provided on the elastic body (310), an end portion of the extension portion (330) is connected with the plug portion (320), and the extension portion (330) is used for enabling the plug portion (320) to correspond to the power taking hole (210).

4. The power taking part according to claim 1, wherein a positioning portion (340) is provided on the plugging portion (320), and the positioning portion (340) is configured to abut against the housing (100) to fix the plugging portion (320) in the power taking hole (210).

5. The power take-off according to claim 1, characterized in that the elastic body (310) is provided with a supporting portion (350), the supporting portion (350) being adapted to abut against the housing (100) so that the plug-in portion (320) always has a tendency to move towards a side abutting against the wall of the power take-off hole (210).

6. The power take-off of claim 1, wherein the resilient body (310) is a torsion spring.

7. The power take-off of claim 1, wherein the power take-off is a resilient wire.

8. Circuit breaker, characterized by comprising a housing (100), a circuit board (200) and a power take-off (300) according to any of claims 1-7.

9. The circuit breaker according to claim 8, characterized in that the elastic body (310) is provided with a through hole (311), the housing (100) is provided with a fixing column (110), and the fixing column (110) is arranged through the through hole (311).

10. The circuit breaker according to claim 8, characterized in that a positioning slot (120) is provided in the housing (100), the plug-in portion (320) being provided in the positioning slot (120).

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