CN218676958U - External switching type duplex conversion direct current contactor - Google Patents
External switching type duplex conversion direct current contactor Download PDFInfo
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- CN218676958U CN218676958U CN202222425647.1U CN202222425647U CN218676958U CN 218676958 U CN218676958 U CN 218676958U CN 202222425647 U CN202222425647 U CN 202222425647U CN 218676958 U CN218676958 U CN 218676958U
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Abstract
An external switching type duplex conversion direct current contactor comprises an electromagnetic component, a load component and a shell component, wherein the electromagnetic component comprises a movable iron core, a coil rack and a magnetic conduction plate, the shell component comprises a shell and a base, the load component comprises a stud, a movable contact piece, a static contact piece, a push rod and an over travel spring, a pinch plate is installed on the shell of the shell component, an inner lead-out piece is installed on the pinch plate through the combination of a screw and a nut, the inner end of the inner lead-out piece is electrically connected with the coil, and the outer end of the inner lead-out piece is connected with an outer plug-in piece. The inner lead-out piece of the invention is connected with the outer plug-in piece and the external lead by the combination of the screw and the nut; or the inner leading-out sheet is directly connected with an external input power supply through an external wiring harness with a wiring terminal. Two kinds of different wiring modes can conveniently switch, and the assembly is convenient, and work efficiency is high, accords with different customers' multiple demand completely.
Description
Technical Field
The invention relates to a duplex conversion direct current contactor for reversing or controlling on-off of current.
Background
A dc contactor (belonging to a relay) is an electrical product equipped for controlling power supply to a line, and reversing or on-off control of current, and is widely used in electric vehicles, industrial power systems, and the like. The duplex converting dc contactor generally comprises an electromagnetic member, a load member, and a housing member, wherein: the electromagnetic component comprises a movable iron core, a coil (enameled wire), a coil rack, a magnetic conduction plate and the like, the shell component comprises a shell and a base, the load component comprises a stud, a movable contact piece, a static contact piece, a push rod, an over travel spring and the like, the outer insertion piece part of the external wiring harness is pressed on the shell of the shell component through a plurality of screws on the periphery of the shell, the external power supply is connected through the external wiring part of the external wiring harness, the external connection mode is single, the application range is limited to a certain degree, and different connection mode requirements of various customers can not be met.
Disclosure of Invention
The invention aims to overcome the defects and provide the external switching type duplex switching direct current contactor which is convenient to externally switch and assemble.
The purpose of the invention is realized by the following technical scheme: the external switching type duplex switching direct current contactor comprises an electromagnetic component, a load component and a shell component, wherein the electromagnetic component comprises a movable iron core, a coil rack and a magnetic conduction plate, the shell component comprises a shell and a base, the load component comprises a stud, a movable contact piece, a static contact piece, a push rod and an over travel spring, a buckle plate is arranged on the shell of the shell component, an inner lead-out piece is arranged on the buckle plate through the combination of a screw and a nut, the inner end of the inner lead-out piece is electrically connected with the coil, and the outer end of the inner lead-out piece is connected with an outer plug-in piece.
The buckle plate is provided with concave and convex surfaces which are arranged at intervals, and the inner lead piece and the outer plug piece are both arranged on the concave surface of the buckle plate, so that the buckle plate and the outer plug piece can be installed and inserted conveniently.
After the invention is adopted, the outer plug-in piece is assembled and connected with the inner lead-out piece by the combination of the pinch plate, the screw and the nut, and is connected with an external power supply by the external lead connected with the outer plug-in piece; or after the pinch plate, the screw, the nut and the outer plug sheet are removed, the inner lead sheet can be directly connected with other types of external wiring harnesses with specific wiring terminals, the specific wiring terminals can be directly connected with the inner lead sheet in a matching mode, and the external wiring parts of the external wiring harnesses are connected with an external input power supply. Two kinds of different wiring modes can conveniently switch, and the assembly is convenient, and work efficiency is high, accords with different customers' multiple demand completely. Therefore, the application range of the duplex conversion direct current contactor is widened.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and embodiments.
Fig. 1 is a schematic structural diagram of an external switching type duplex switching dc contactor according to the present invention.
Fig. 2 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 1.
Detailed Description
Referring to fig. 1 and 2, it can be known that the external switching type duplex switching dc contactor of the present invention is composed of an electromagnetic component, a load component and a shell component, wherein the electromagnetic component includes a moving iron core 13, a coil 10 (i.e. an enameled wire), a coil rack 9 and a magnetic conduction plate 8, the shell component includes a shell 14 and a base 7, the load component includes a stud 21 (including a long stud and a short stud), a moving contact 4, a static contact 22, a push rod 6 (i.e. a top column and a return spring 1) and an over travel spring 5, a buckle plate 15 (made of plastic) is installed on the shell 14 of the shell component, an inner lead-out piece 18 (a plurality of pieces, each piece having a distance interval) is installed on the buckle plate 15 through a combination of a screw 17 and a nut 16, the inner end of the inner lead-out piece 18 is electrically connected with the coil 10, and the outer end thereof is connected with an outer lead-out piece 19 (corresponding to the inner lead-out piece, the screw and the nut).
Wherein, the bearing 12 is arranged between the movable iron core 13 and the coil rack 9, which is beneficial to reducing the abrasion of the movable iron core. Buckle 15 is last to have concave-convex face interval arrangement and sets up, interior inserted sheet 18, outer inserted sheet 19 all adorn on buckle 15's concave surface, are favorable to the installation of outer inserted sheet, buckle to be inserted. The outer inserting sheet 19 is assembled by a shared screw 17 and a nut 16 with an inner leading-out sheet 18, and then is connected with an external input power supply through an external lead wire 20 (the external lead wire 20 and the outer inserting sheet 19 form an external wiring harness) connected with the outer inserting sheet; or after the pinch plate, the screw, the nut and the outer inserting sheet are removed, the inner leading-out sheet 18 can be directly connected with other types of external wiring harnesses of a specific wiring terminal, the specific wiring terminal is matched with the inner leading-out sheet and can be directly connected, and the external wiring part of the external wiring harness is connected with an external input power supply.
The working principle of the external switching type duplex conversion direct current contactor is as follows: the inner lead-out piece is communicated with the outer plug-in piece and the outer lead wire is communicated with an external input power supply, and then the electricity is conducted to the coil, so that the coil surrounds the movable iron core to generate a magnetic field, the movable iron core rises to drive the push rod of the load component to rise by magnetic force, two ends of the movable contact piece are contacted with the static contact piece, and then the movable contact piece is communicated with a load circuit through stud output; and finally, the push rod descends and the movable iron core also descends due to the return of the return spring, so that the movable contact piece is separated from the static contact piece. The external switching type duplex switching direct current contactor (relay) is mainly applied to the circuit on-off of a direct current power supply load.
Claims (3)
1. External switching formula pair conversion direct current contactor comprises electromagnetism component, load component, casing component, and wherein the electromagnetism component includes moves iron core, coil former and magnetic conduction board, and the casing component includes shell, base, and the load component includes double-screw bolt, movable contact piece, static contact piece, push rod, over travel spring, its characterized in that: the shell of the shell component is provided with a pinch plate, the pinch plate is provided with an inner lead-out piece through the combination of a screw and a nut, the inner end of the inner lead-out piece is electrically connected with the coil, and the outer end of the inner lead-out piece is connected with the outer plug-in piece.
2. The external switching type duplex switching dc contactor according to claim 1, wherein: the buckle plate is provided with concave and convex surfaces which are arranged at intervals, and the inner lead piece and the outer plug piece are both arranged on the concave surface of the buckle plate.
3. An external switching type duplex switching direct current contactor according to claim 1 or 2, characterized in that: and a bearing is arranged between the movable iron core and the coil frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222425647.1U CN218676958U (en) | 2022-09-08 | 2022-09-08 | External switching type duplex conversion direct current contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222425647.1U CN218676958U (en) | 2022-09-08 | 2022-09-08 | External switching type duplex conversion direct current contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218676958U true CN218676958U (en) | 2023-03-21 |
Family
ID=85557984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222425647.1U Active CN218676958U (en) | 2022-09-08 | 2022-09-08 | External switching type duplex conversion direct current contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218676958U (en) |
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2022
- 2022-09-08 CN CN202222425647.1U patent/CN218676958U/en active Active
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