CN213459588U - Coil framework and direct current contactor provided with same - Google Patents
Coil framework and direct current contactor provided with same Download PDFInfo
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- CN213459588U CN213459588U CN202022146977.8U CN202022146977U CN213459588U CN 213459588 U CN213459588 U CN 213459588U CN 202022146977 U CN202022146977 U CN 202022146977U CN 213459588 U CN213459588 U CN 213459588U
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Abstract
The utility model relates to a coil skeleton and install direct current contactor of this coil skeleton. The direct current contactor comprises a mounting seat, a wiring end, a separating mechanism and a coil assembly, wherein the coil assembly comprises a coil, a coil framework, a support, a movable iron core and a static iron core, a movable shaft capable of moving relative to the axial direction of the framework is arranged in the middle of the coil framework, the movable shaft is linked with the movable iron core, one end of the movable shaft is connected with the separating mechanism, the coil is electrified to drive the movable iron core to move to drive the separating mechanism to separate or conduct, a conductive plug-in is arranged on the framework, the end of the coil is electrically connected with the conductive plug-in, and the conductive plug-in and the framework are of an integrated structure or are inserted. The utility model discloses a set up electrically conductive plug-in components on the coil skeleton for the connection between coil and the electrically conductive plug-in components is more firm, compares traditional line welding, the utility model discloses can realize mechanized operation in coil production, production efficiency obtains greatly improving.
Description
Technical Field
The utility model belongs to the technical field of the contactor, especially, relate to a direct current contactor.
Background
The dc contactor is a contactor used in a dc circuit, and is mainly used for controlling a dc circuit (a main circuit, a control circuit, an excitation circuit, and the like). The core of the dc contactor is not the same as the ac contactor in that it has no eddy current, and thus is generally formed in a circular shape using mild steel or industrial pure iron. Because the attraction coil of the DC contactor is electrified with DC, the DC contactor has no impact starting current and does not generate the phenomenon of violent impact of an iron core, thereby having long service life and being suitable for occasions of frequent starting and stopping.
The coil of direct contactor on the market at present adopts the lead wire mode to draw forth, the welding between lead wire and the coil end, the welding operation between line and the line is more loaded down with trivial details, and can not mechanized production, because its both ends of line and line connection are soft, the unable mechanized operation that realizes of prior art, need manual welding lead wire, inefficiency, with high costs, and the easy not firm phenomenon that produces of welding department, cause withstand voltage to be unreachable, can produce the phenomenon of electric breakdown, and what the coil shell adopted is that totally closed structure material is big, high production cost, and product weight is heavier.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a coil skeleton and install direct current contactor of this coil skeleton are provided.
The utility model discloses a realize through following technical scheme:
a coil framework is provided with a conductive plug-in unit, the coil end is electrically connected with the conductive plug-in unit, and the conductive plug-in unit and the framework are of an integrated structure or are inserted on the framework or are fixed on the framework through a fastener.
Preferably, the framework is of an I-shaped structure, the upper end face and/or the lower end face of the framework are/is provided with a hole slot for inserting the conductive plug-in unit, and the conductive plug-in unit penetrates through the hole slot.
Preferably, the upper end face and/or the lower end face of the framework are/is provided with a convex column, and the conductive insert is arranged in the convex column.
For the installation of the convenience direct current contactor coil part, this scheme provides a direct current contactor with above-mentioned coil skeleton, including mount pad, two wiring ends of fixing on the mount pad, the separating mechanism of switch-on or two wiring ends of separation, the coil pack of drive separating mechanism switch-on or separation, wherein the coil pack include coil, coil skeleton, locate coil skeleton outer support, locate coil skeleton in move iron core and quiet iron core, be equipped with the loose axle of skeleton axial activity relatively in the middle of the coil skeleton, the loose axle with move the iron core linkage, separating mechanism is connected to loose axle one end, coil circular telegram drive moves the iron core motion and drives separating mechanism separation or switch-on, its characterized in that: and a coil power supply access terminal is arranged on the mounting seat and is in plug-in fit with the conductive plug-in on the coil framework.
Preferably, the coil power supply access terminal is provided with a slot for inserting the end part of the conductive plug-in unit.
Preferably, the bracket is of a U-shaped structure, and at least two opposite side surfaces of the bracket are hollow structures.
Preferably, the mounting base is fixedly connected with a mounting frame, and the mounting frame comprises a connecting part and a mounting part which is vertically bent and arranged with the connecting part.
Preferably, still be equipped with the shell in the support outside, be equipped with the hollow structure who holds coil pack in the shell, shell one end activity joint on the mounting bracket, the joint through shell and mounting bracket is with coil pack monolithic stationary on the mounting bracket.
Preferably, the separating mechanism includes a conductive plate electrically connected to the two terminals, and a movable plate, the movable plate is at least provided with contacts respectively abutted to the two conductive plates, the movable plate is connected to the movable shaft, the movable shaft is provided with a pressing mechanism for elastically pressing the movable plate, and the movable shaft is provided with a limiting portion for limiting the movable limit of the movable plate.
Preferably, the pressing mechanism comprises an upper top plate, a lower top plate and a spring arranged between the upper top plate and the lower top plate, the upper top plate is fixed on the movable shaft or a fastener is connected to the end part of the movable shaft, and the lower top plate is abutted against the movable plate.
The utility model has the advantages that: the utility model discloses a set up electrically conductive plug-in components on the coil skeleton for the connection between coil and the electrically conductive plug-in components is more firm, compares traditional line welding, the utility model discloses a line and electrically conductive plug-in components welding can realize mechanized operation in coil production, and production efficiency obtains greatly improving, and it is more convenient when also making coil and direct current contactor installation to adopt electrically conductive plug-in components, and direct adoption is pegged graft the cooperation can.
Drawings
FIG. 1 is a schematic structural view of the connection between the coil bobbin and the conductive plug-in unit of the present invention;
fig. 2 is a perspective view of the whole dc contactor of the present invention;
fig. 3 is an overall exploded view of the dc contactor of the present invention;
fig. 4 is a side view of the present invention;
FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;
FIG. 6 is a schematic structural view of a stent;
FIG. 7 is a schematic structural view of the housing;
FIG. 8 is a schematic diagram of a coil power supply access terminal;
fig. 9 is a schematic structural view of the mounting bracket.
Detailed Description
The present invention will be further described with reference to the following examples.
Examples
As shown in fig. 1-9, a dc contactor includes a mounting base 1, two terminals 2 fixed on the mounting base 1, a separating mechanism for connecting or separating the two terminals 2, and a coil assembly for driving the separating mechanism to connect or separate, wherein the coil assembly includes a coil 3, a coil frame 4, a bracket 5 disposed outside the coil frame 4, a movable iron core 6 and a stationary iron core 7 disposed inside the coil frame 4, a movable shaft 8 disposed in the middle of the coil frame 4 and capable of moving axially relative to the coil frame 4, the movable shaft 8 is linked with the movable iron core 6, one end of the movable shaft 8 is connected with the separating mechanism, the coil 3 is powered on to drive the movable iron core 6 to move to drive the separating mechanism to separate or connect, it is worth noting that a conductive plug 9 is disposed on the coil frame 4, the coil end is electrically connected with the conductive plug 9, the conductive plug 9 and the coil frame 4 are of an integrated structure or plugged on the coil frame 4 or fixed on the coil frame through a fastener, in the present embodiment, the conductive plug-in 9 is inserted and fixed on the bobbin 4. A coil power supply access terminal 10 is arranged on the mounting seat 1, and the coil power supply access terminal 10 is in plug-in fit with the conductive plug-in 9 on the coil framework 4. In this embodiment, in order to insert the conductive plug-in unit 9 into the coil bobbin 4, the coil bobbin 4 is designed to be integrally i-shaped, and a hole slot for inserting the conductive plug-in unit 9 is formed in the upper end surface and/or the lower end surface of the coil bobbin 4, and the conductive plug-in unit penetrates through the hole slot. In order to improve the connection firmness between the conductive plug-in unit 9 and the coil bobbin 4 in this embodiment, the upper end surface and/or the lower end surface of the coil bobbin 4 are/is provided with the convex column 41, the conductive plug-in unit 9 is arranged in the convex column 41, and the connection firmness between the conductive plug-in unit and the coil bobbin can be ensured under the action of the convex column. In this embodiment, the conductive plug 9 is a needle or a sheet metal piece or a cylinder made of metal.
In order to enable the conductive plug-in unit 9 to be directly plugged with the coil power supply access terminal 10 and improve the installation efficiency of the conductive plug-in unit and the coil power supply access terminal, the coil power supply access terminal 10 is provided with a slot 101 for inserting the end part of the conductive plug-in unit 9. When the coil component is installed, the installed coil component is only required to be inserted into one side of the installation seat 1, and the conductive plug-in 9 is directly inserted into the coil power supply access terminal 10 on the installation seat 1, so that the assembly efficiency of the coil component and the coil power supply access terminal is improved.
The traditional bracket is a closed cylinder, in order to save cost and reduce the weight of products, the bracket 5 is designed into a U-shaped structure under the condition that the performance of the products is not influenced, and at least two opposite side surfaces are hollow structures. The bracket is designed into a U-shaped structure, saves materials and is convenient to produce.
In order to fix the contactor, the mounting frame 11 is fixedly connected to the mounting base 1, the mounting frame 11 includes a connecting portion 111 and a mounting portion 112 which is vertically bent from the connecting portion 111, the connecting portion 111 is fixedly connected to the mounting base 1, and the mounting portion 112 is provided with a mounting slot hole, so that the mounting frame can be conveniently fixed to a carrier.
Still be equipped with shell 12 in support 5 outside, be equipped with the hollow structure who holds coil pack in shell 12, shell 12 one end activity joint on mounting bracket 11, through shell 12 and mounting bracket 11's joint with coil pack monolithic stationary on mounting bracket 11. In this embodiment, a buckle 121 is disposed at one end of the housing 12 connected to the mounting frame 11, and a slot 113 for the buckle to be inserted into is disposed on the corresponding mounting frame 11.
The separating mechanism comprises a current-conducting plate 13 and a movable plate 14 which are respectively and electrically connected with the two wiring ends 2, at least contacts which are respectively abutted against the two current-conducting plates 13 are arranged on the movable plate 14, the movable plate 14 is connected to a movable shaft 8, a jacking mechanism which elastically jacks the movable plate is arranged on the movable shaft 8, a limiting part 15 which limits the movable limit of the movable plate 14 is arranged on the movable shaft 8, in the embodiment, the movable shaft 8 sequentially penetrates through the jacking mechanism, the mounting seat 1, the mounting frame 11, the static iron core 7, a jacking spring 16, the movable iron core 6 and the support 5 from top to bottom, the upper end and the lower end of the movable shaft 8 are respectively connected with a locking nut, the jacking spring 16 is arranged between the movable iron core 6 and the static iron core 7 and used for pushing the movable iron core 6 to reset.
The jacking mechanism comprises an upper top plate 17, a lower top plate 18 and a spring 19 arranged between the upper top plate 17 and the lower top plate 18, wherein the upper top plate 17 is fixed on the movable shaft 8 or a fastener is connected at the end part of the movable shaft 8, the lower top plate 18 is abutted against the movable plate, and the jacking mechanism is arranged to apply jacking force to the movable plate so that the movable plate can ensure the contact effect of the two conductive plates when contacting the two conductive plates. In the present embodiment, a cover 20 is covered outside the pressing mechanism, and the cover 20 is fixed on the mounting base by screws. A certain movement space is reserved for the movable shaft in both the cover 20 and the housing 12, so that the movable shaft can have enough movement space.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that simple modifications and substitutions by those skilled in the art are within the scope of the present invention without departing from the spirit and scope of the present invention.
Claims (10)
1. A coil skeleton which characterized in that: the framework is provided with a conductive plug-in, the end of the coil is electrically connected with the conductive plug-in, and the conductive plug-in and the framework are of an integrated structure or are inserted on the framework or are fixed on the framework through a fastener.
2. A coil former as claimed in claim 1, wherein: the framework is integrally in an I-shaped structure, the upper end face and/or the lower end face of the framework are/is provided with a hole groove for inserting the conductive plug-in unit, and the conductive plug-in unit penetrates through the hole groove.
3. A coil former as claimed in claim 2, wherein: the upper end face and/or the lower end face of the framework are/is provided with convex columns, and the conductive plug-in is arranged in the convex columns.
4. A direct current contactor installed with a coil framework according to any one of claims 1 to 3, comprising a mounting seat, two terminals fixed on the mounting seat, a separating mechanism for connecting or separating the two terminals, and a coil assembly for driving the separating mechanism to be connected or separated, wherein the coil assembly comprises a coil, a coil framework, a bracket arranged outside the coil framework, a movable iron core and a static iron core arranged in the coil framework, a movable shaft capable of moving axially relative to the framework is arranged in the middle of the coil framework, the movable shaft is linked with the movable iron core, one end of the movable shaft is connected with the separating mechanism, and the coil is electrified to drive the movable iron core to move so as to drive the separating mechanism to be separated or conducted, the direct current contactor is characterized in that: and a coil power supply access terminal is arranged on the mounting seat and is in plug-in fit with the conductive plug-in on the coil framework.
5. A dc contactor as claimed in claim 4, wherein: the coil power supply access terminal is provided with a slot for inserting the end part of the conductive plug-in.
6. A dc contactor as claimed in claim 4, wherein: the support is of a U-shaped structure, and at least two opposite side faces of the support are of hollow structures.
7. A dc contactor as claimed in claim 4, wherein: fixedly connected with mounting bracket on the mount pad, be the installation department that the setting is bent perpendicularly including connecting portion and with connecting portion on the mounting bracket.
8. A dc contactor as claimed in claim 7, wherein: still be equipped with the shell in the support outside, be equipped with the hollow structure who holds coil pack in the shell, shell one end activity joint on the mounting bracket, the joint through shell and mounting bracket is with coil pack monolithic stationary on the mounting bracket.
9. A dc contactor as claimed in claim 8, wherein: the separating mechanism comprises a current conducting plate and a movable plate which are respectively and electrically connected with the two wiring ends, at least contacts which are respectively butted with the two current conducting plates are arranged on the movable plate, the movable plate is connected on a movable shaft, a jacking mechanism which elastically jacks the movable plate is arranged on the movable shaft, and a limiting part which limits the movable limit of the movable plate is arranged on the movable shaft.
10. A dc contactor as claimed in claim 9, wherein: the top pressing mechanism comprises an upper top plate, a lower top plate and a spring arranged between the upper top plate and the lower top plate, the upper top plate is fixed on the movable shaft or a fastener is connected at the end part of the movable shaft, and the lower top plate is abutted against the movable plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022146977.8U CN213459588U (en) | 2020-09-27 | 2020-09-27 | Coil framework and direct current contactor provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022146977.8U CN213459588U (en) | 2020-09-27 | 2020-09-27 | Coil framework and direct current contactor provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213459588U true CN213459588U (en) | 2021-06-15 |
Family
ID=76281856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022146977.8U Active CN213459588U (en) | 2020-09-27 | 2020-09-27 | Coil framework and direct current contactor provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213459588U (en) |
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2020
- 2020-09-27 CN CN202022146977.8U patent/CN213459588U/en active Active
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