CN214705842U - Solenoid magnetic-disengaging conductive mechanism of integral miniature circuit breaker - Google Patents
Solenoid magnetic-disengaging conductive mechanism of integral miniature circuit breaker Download PDFInfo
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- CN214705842U CN214705842U CN202121485963.7U CN202121485963U CN214705842U CN 214705842 U CN214705842 U CN 214705842U CN 202121485963 U CN202121485963 U CN 202121485963U CN 214705842 U CN214705842 U CN 214705842U
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- solenoid coil
- circuit breaker
- solenoid
- miniature circuit
- lug
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Abstract
The utility model discloses an electrically conductive mechanism is taken off to integral miniature circuit breaker solenoid magnetism, the mechanism includes: the contact structure comprises a lug plate, a solenoid coil and a static contact, wherein the lug plate, the solenoid coil and the static contact are integrally formed and processed through a copper conducting wire, one end of the solenoid coil is provided with the lug plate, and the other end of the solenoid coil is provided with the static contact. The utility model provides an electrically conductive mechanism is taken off to integral miniature circuit breaker solenoid magnetism, lug, solenoid coil, static contact adopt integrated into one piece's structure to replace traditional welded connection mode, simple structure, the processing of being convenient for, simple to operate, convenient to use.
Description
Technical Field
The utility model relates to an electromagnetism tripping device annex technical field especially relates to an electrically conductive mechanism is taken off to integral miniature circuit breaker solenoid magnetism.
Background
The electromagnetic tripping mechanism of the miniature circuit breaker comprises a lug, a solenoid coil, a fixed contact, a magnetic spring, a magnetic loop (consisting of a movable iron core, a fixed iron core and a magnetic bracket) and a firing pin. The current short-circuit protection is the most basic protection function of the circuit breaker, and for a miniature circuit breaker, the short-circuit current generally flows through a solenoid coil to generate a huge magnetic field to push a movable iron core to impact a circuit breaker tripping mechanism, so that the purpose of cutting off the short-circuit current is achieved. Therefore, two conductive parts are formed inside the circuit breaker, wherein one part is from the driven contact to the input port of the circuit breaker; the other part is a conductive part from a fixed contact, a solenoid coil and a lug plate (an output port), and the traditional manufacturing process is to weld the three discrete components (the fixed contact, the solenoid coil and the lug plate) respectively. The disadvantages of the above scheme are: the quality indexes such as welding position precision, welding contact resistance, welding fastness and the like are difficult to meet the requirements, and particularly, the problems are more prominent because a micro-breaker with large current pursues small volume and high current; in addition, the manufacturing process is complicated, and the production efficiency is low. Therefore, improvements in the related structures are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an integral miniature circuit breaker solenoid magnetism takes off electrically conductive mechanism can overcome not enough that prior art exists, and lug, solenoid coil, static contact adopt integrated into one piece's structure to replace traditional welded connection mode, simple structure, and the processing of being convenient for, simple to operate, the suitability is strong.
In order to achieve the above object, the utility model provides a following scheme:
an integral miniature circuit breaker solenoid magnetically actuated conductive mechanism, the mechanism comprising: the contact structure comprises a lug plate, a solenoid coil and a static contact, wherein the lug plate, the solenoid coil and the static contact are integrally formed and processed through a copper conducting wire, one end of the solenoid coil is provided with the lug plate, and the other end of the solenoid coil is provided with the static contact.
Furthermore, the lug is bent to be L-shaped.
Furthermore, the static contact is bent to be C-shaped.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect: the utility model provides an among the integral miniature circuit breaker solenoid magnetism takes off electrically conductive mechanism, lug, solenoid coil, static contact adopt integrated into one piece's structure to replace traditional welded connection mode, have eliminated welding resistance, welding position precision error, the insecure scheduling problem of welding, have promoted the steadiness of structure to the structure of integration is convenient for install and use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a solenoid magnetic disengaging and conducting mechanism of an integral miniature circuit breaker according to an embodiment of the present invention;
fig. 2 is a flow chart illustrating a method for manufacturing a solenoid magnetic decoupling conductive mechanism of an integral miniature circuit breaker according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a combined solenoid coil winding and bending integrated forming machine according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an overall production line of a manufacturing method of the solenoid magnetic disengaging conductive mechanism of the integral miniature circuit breaker according to the embodiment of the present invention;
fig. 5 is a process of the progressive stamping die according to the embodiment of the present invention;
description of the drawings: 1. a lug plate; 2. a solenoid coil; 3. static contact; A. a feeding mechanism; B. a coil primary end bending mechanism; C. a coil winding mechanism; D. a coil end bending mechanism; E. a manipulator; F. a progressive conveying mechanism; G. progressive stamping die.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing an integral miniature circuit breaker solenoid magnetism takes off electrically conductive mechanism, lug, solenoid coil, static contact adopt integrated into one piece's structure to replace traditional welded connection mode, simple structure, the processing of being convenient for, simple to operate, the suitability is strong.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, the utility model provides an integral miniature circuit breaker solenoid magnetism takes off electrically conductive mechanism, include: the connector comprises a lug plate 1, a solenoid coil 2 and a fixed contact 3, wherein the lug plate 1, the solenoid coil 2 and the fixed contact 3 are formed by integrally forming and processing a copper conducting wire, one end of the solenoid coil 2 is provided with the lug plate 1, and the other end of the solenoid coil is provided with the fixed contact 3.
Wherein, the lug 1 can be bent to be in an L shape. The static contact 3 can be bent to be C-shaped. The shapes of the lug 1 and the fixed contact 3 can be adjusted according to the needs of the device.
As shown in fig. 2, the embodiment of the present invention further provides a manufacturing method of the solenoid magnetic disengaging conductive mechanism of the integral miniature circuit breaker, which is applied to the solenoid magnetic disengaging conductive mechanism of the integral miniature circuit breaker, and the manufacturing method includes the following steps:
winding a solenoid coil and bending leading-out wires at two ends;
flattening the lug plate;
punching a lug;
bending and molding the lug;
flattening the static contact;
punching a static contact;
and (5) bending and forming the static contact.
Wherein, solenoid coil coiling and both ends lead-out wire are bent, specifically include: the method comprises the steps of coil initial end bending, coil winding and coil tail end bending, wherein after the solenoid coil is wound, two outgoing lines of the solenoid coil are reserved with enough length, one outgoing line is the side of the fixed contact, and the other outgoing line is the side of the lug.
As shown in fig. 3 and 4, the manufacturing steps of winding the solenoid coil and bending the two end lead wires may be performed by a combined solenoid coil winding and bending integrated machine, which includes a feeding mechanism a, a coil initial end bending mechanism B, a coil winding mechanism C, and a coil end bending mechanism D. The steps can also be processed step by adopting other devices in the prior art.
The steps are as follows: the method comprises the following steps of flattening a lug, punching the lug, bending and forming the lug, flattening a fixed contact, punching the fixed contact and bending and forming the fixed contact, wherein the implementation mode of each step is made by a progressive stamping die G, as shown in figure 5.
As shown in fig. 4, the semi-finished product of step 1 (solenoid coil winding and bending of the lead wires at both ends) is taken out by the material taking and feeding manipulator E and then fed into the progressive stamping die G, where the semi-finished product is processed step by the progressive feeding mechanism F. And the progressive conveying and feeding mechanism F synchronously delivers the steps of flattening, shape punching and bending forming of the fixed contact and the lug to the next station step by step, and finally completes the manufacture of the solenoid coil magnetic-release conductive mechanism.
The utility model provides an among the integral miniature circuit breaker solenoid magnetism takes off electrically conductive mechanism, lug, solenoid coil, static contact adopt integrated into one piece's structure to replace traditional welded connection mode, have eliminated welding resistance, welding position precision error, the insecure scheduling problem of welding, have promoted the steadiness of structure to the structure of integration is convenient for install and use.
In the manufacturing method of the solenoid magnetic-release conductive mechanism of the integral miniature circuit breaker, for the miniature circuit breaker with large current, three elements of the solenoid coil, the static contact and the lug plate are integrally processed by one copper wire at a time; after the solenoid coil is wound, the two outgoing lines of the solenoid coil are kept to be of sufficient length, one ends of the two outgoing lines are one side of the fixed contact, the other ends of the two outgoing lines are one side of the lug, the two outgoing lines are bent according to the leading-out directions of the fixed contact and the lug, the outgoing lines are flattened according to the width requirements of the fixed contact and the lug, redundant rim charge is punched according to the shapes of the fixed contact and the lug, and finally, the two outgoing lines are bent and formed according to the external dimension requirements of the fixed contact and the lug.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (3)
1. An integral miniature circuit breaker solenoid magnetic release conductive mechanism, comprising: the contact structure comprises a lug plate, a solenoid coil and a static contact, wherein the lug plate, the solenoid coil and the static contact are integrally formed and processed through a copper conducting wire, one end of the solenoid coil is provided with the lug plate, and the other end of the solenoid coil is provided with the static contact.
2. The solenoid flux-interrupting conductive mechanism of an integral miniature circuit breaker of claim 1 wherein said terminal lug is bent in an "L" shape.
3. The solenoid magnetic disengaging conductive mechanism of an integral miniature circuit breaker of claim 1 wherein said stationary contact is bent in a "C" shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121485963.7U CN214705842U (en) | 2021-07-01 | 2021-07-01 | Solenoid magnetic-disengaging conductive mechanism of integral miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121485963.7U CN214705842U (en) | 2021-07-01 | 2021-07-01 | Solenoid magnetic-disengaging conductive mechanism of integral miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214705842U true CN214705842U (en) | 2021-11-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121485963.7U Active CN214705842U (en) | 2021-07-01 | 2021-07-01 | Solenoid magnetic-disengaging conductive mechanism of integral miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214705842U (en) |
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2021
- 2021-07-01 CN CN202121485963.7U patent/CN214705842U/en active Active
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| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Kecheng Inventor after: Wang Jia Inventor after: Ai Zhigang Inventor before: Wang Kecheng Inventor before: Wang Jia Inventor before: Ai Zhigang |