CN210223903U - Relay with a movable contact - Google Patents
Relay with a movable contact Download PDFInfo
- Publication number
- CN210223903U CN210223903U CN201921186084.7U CN201921186084U CN210223903U CN 210223903 U CN210223903 U CN 210223903U CN 201921186084 U CN201921186084 U CN 201921186084U CN 210223903 U CN210223903 U CN 210223903U
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- insertion piece
- lead head
- coil
- electric
- relay
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Abstract
The utility model discloses a relay, including casing and connection terminal, casing cavity sets up and is formed with the holding chamber that is used for holding electronic component, the holding intracavity is provided with two coils that are used for producing the response electrodynamic type, it is formed with the lead head to draw on the coil, be provided with the electric insertion piece on the connection terminal, electric insertion piece one end sets up outside the casing, and the intracavity is put to the other end elder generation and extends there is the slot, the lead head forms the electricity with the electric connection of electric insertion piece with the cooperation of slot grafting, the lead head is provided with the spacing solder joint that the restriction lead head slided along circumference, and the mounting structure of its coil is more stable, and the lead head is also more stable with the connection structure of electric insertion piece on the coil.
Description
Technical Field
The utility model relates to a relay.
Background
A relay is an electric control device that generates a predetermined step change in a controlled amount in an electric output circuit when a change in an input amount meets a predetermined requirement. In fact, the relay is an 'automatic switch' which uses small current to control large current operation, and plays the roles of automatic adjustment, safety protection, circuit switching and the like in the circuit. The relay is provided with a coil, after the coil is electrified, induced electromotive force can be generated to enable the relay to operate, in order to enable the coil arranged in the relay shell to be electrified, a lead wire is connected to the coil of the relay and can be electrically connected with a wire holder of the relay, when the wire holder is plugged into a power supply, the power of the power supply can reach the coil through the lead wire to enable the coil to be electrified, but the lead wire in the existing relay coil is electrically connected with the wire holder in a mode that the lead wire is electrically connected with an electric plug of the wire holder, so that the connection stability is poor, the relay is usually installed in power generation equipment such as an engine, the relay can generate violent vibration when the engine works, so that the lead wire can be separated from the electric plug of the wire holder when the relay shakes violently or the external force applied to the lead wire is large when the generator works, when the lead wire is pulled out of the electric plug, the coil is disconnected from the power supply, so that the relay cannot operate.
SUMMERY OF THE UTILITY MODEL
The utility model provides a relay, the mounting structure of its coil is more stable, and the connection structure of lead head and electric insertion piece is also more stable on the coil.
The utility model provides a relay, including casing and connection terminal, casing cavity sets up and is formed with the holding chamber that is used for holding electronic component, the holding intracavity is provided with two coils that are used for producing the response electrodynamic type, it is formed with the lead head to draw on the coil, be provided with the electric insertion piece on the connection terminal, electric insertion piece one end sets up outside the casing, and the intracavity is put to the other end elder generation and extends there is the slot, the lead head forms the electricity with the electric connection of electric insertion piece with the cooperation of slot grafting, the lead head is provided with the spacing solder joint that the restriction lead head slided along circumference.
The beneficial effect who so sets up is: by adopting the proposal, the lead wire on the coil is formed with the lead head, one end of the electric insert sheet on the lead head is arranged outside the shell, the other end is provided with the slot extending from the accommodating cavity, the lead head is inserted into the slot of the electric insertion piece, so that the coil is electrically connected with the wire holder through the lead head, when the wire holder is connected with a power supply, the current on the power supply can reach the coil through the electric insertion piece, so that the coil generates induced electromotive force, the peripheral wall of the lead head is welded with the slot by adopting an argon arc welding process after the lead head is inserted into the slot, and a limit welding spot is formed on the peripheral wall of the lead head, thereby limiting the slippage of the lead head, the connection structure of the lead head on the coil and the electric insertion piece is more stable, when the relay vibrates or the external force applied to the lead head is larger, the lead head is not easy to be separated from the plug of the electric plug, thereby improving the working stability of the relay.
The utility model discloses further set up to the holding intracavity is provided with the mounting panel, be provided with the mounting groove on the mounting panel, the coil sets up in the mounting groove.
The beneficial effect who so sets up is: adopt above-mentioned scheme, through setting up this mounting panel, install the coil in the mounting groove of mounting panel, make the installation of coil more stable to thereby make the lead wire mounting structure on the coil more stable, thereby further reduced the possibility that the lead wire deviates from in receiving the slot when exogenic action.
The utility model discloses further set up to the mounting panel corresponds being provided with first installing port and second installing port respectively of two coil positions, be provided with freewheel diode between first installing port and the second installing port.
The beneficial effect who so sets up is: by adopting the scheme, the mounting plate can conduct electricity, the mounting plate is provided with the first mounting port and the second mounting port corresponding to the two coils respectively, the freewheeling diodes are arranged at the first mounting port and the second mounting port, the freewheeling diodes are connected to two ends of the coil generating induced electromotive force in parallel, and form a loop with the coil, so that the generated high electromotive force is consumed in the loop in a current-continuing mode, and the electronic elements in the circuit are protected from being broken down or burned by voltage.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic diagram of the structure of the relay removing shell in the embodiment of the present invention;
fig. 3 is an enlarged view of a portion a of fig. 2 according to an embodiment of the present invention;
fig. 4 is a schematic view of a partial structure in an embodiment of the present invention;
fig. 5 is an enlarged view of a portion B of fig. 4 according to an embodiment of the present invention.
Detailed Description
As can be seen from fig. 1 to 5, the utility model discloses a relay, including casing 1 and connection terminal 2, 1 cavity of casing sets up and is formed with the holding chamber 11 that is used for holding electronic component, be provided with two coils 3 that are used for producing the response electrodynamic type in the holding chamber 11, the drawing is formed with lead head 31 on the coil 3, be provided with electric insertion piece 21 on the connection terminal 2, electric insertion piece 21 one end sets up outside casing 1, and the extension has slot 211 in the first holding chamber 11 of the other end, lead head 31 pegs graft the cooperation with slot 211 and forms the electricity with electric insertion piece and be connected, lead head 31 is provided with the spacing solder joint that restriction lead head 31 slided along circumference. The beneficial effect who so sets up is: by adopting the scheme, the lead head 31 is formed on the lead wire of the coil 3, one end of the electric insertion piece 21 on the lead head 31 is arranged outside the shell 1, the other end of the electric insertion piece 21 is firstly provided with the slot 211 extending in the accommodating cavity 11, the lead head 31 is inserted into the slot 211 of the electric insertion piece 21, so that the coil 3 is electrically connected with the wire holder 2 through the lead head 31, when the wire holder 2 is connected with a power supply, the current on the power supply can reach the coil 3 through the electric insertion piece 21, thereby the coil 3 generates induction electrodynamic force, after the lead head 31 is inserted into the slot 211, the peripheral wall of the lead head 31 and the slot 211 are welded together by adopting an argon arc welding process, and a limit welding spot is formed on the peripheral wall of the lead head 31, thereby the slippage of the lead head 31 is limited, the connection structure of the lead head 31 on the coil 3 and the electric insertion piece 21 is relatively stable, when the relay shakes or, the lead 31 is not easily removed from the plug of the electric plug 21, thereby improving the stability of the relay operation.
The accommodating cavity 11 is internally provided with a mounting plate 4, the mounting plate 4 is provided with a mounting groove, and the coil 3 is arranged in the mounting groove. The beneficial effect who so sets up is: adopt above-mentioned scheme, through setting up this mounting panel 4, install coil 3 in mounting groove of mounting panel 4, make coil 3's installation more stable to make the lead wire mounting structure on the coil 3 more stable, thereby further reduced the lead wire and received the possibility of deviating from in the exogenic action slot 211.
The mounting plate 4 is provided with a first mounting port 41 and a second mounting port 42 corresponding to the two coils 3, and a freewheeling diode 5 is arranged between the first mounting port 41 and the second mounting port 42. The beneficial effect who so sets up is: by adopting the scheme, the mounting plate 4 can conduct electricity, the positions of the mounting plate 4 corresponding to the two coils 3 are respectively provided with the first mounting port 41 and the second mounting port 42, the freewheeling diodes 5 are arranged at the first mounting port 41 and the second mounting port 42, the freewheeling diodes 5 are connected to the two ends of the coil 3 generating induced electromotive force in parallel and form a loop with the coil, and the generated high electromotive force is consumed in the loop in a continuous current mode, so that the electronic elements in the circuit are protected from being broken down or burnt out by voltage.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that the equivalent changes made in the claims of the present invention, such as equivalent products with similar processes and similar structures, are also included in the scope of the present invention.
Claims (3)
1. The utility model provides a relay, includes casing and wire holder, casing cavity sets up and is formed with the holding chamber that is used for holding electronic component, the holding intracavity is provided with two coils that are used for producing the response electrodynamic type, its characterized in that: the wire coil is provided with a lead head in an extending mode, the wire holder is provided with an electric insertion piece, one end of the electric insertion piece is arranged outside the shell, the other end of the electric insertion piece extends into the accommodating cavity, the lead head is connected with the electric insertion piece in an inserting and matching mode to form electric connection with the electric insertion piece, and the lead head is provided with a limiting welding point for limiting the lead head to slide along the circumferential direction.
2. The relay according to claim 1, characterized in that: the holding intracavity is provided with the mounting panel, be provided with the mounting groove on the mounting panel, the coil sets up in the mounting groove.
3. The relay according to claim 2, characterized in that: the mounting plate is provided with a first mounting port and a second mounting port corresponding to the two coils respectively, and a freewheeling diode is arranged between the first mounting port and the second mounting port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921186084.7U CN210223903U (en) | 2019-07-25 | 2019-07-25 | Relay with a movable contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921186084.7U CN210223903U (en) | 2019-07-25 | 2019-07-25 | Relay with a movable contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210223903U true CN210223903U (en) | 2020-03-31 |
Family
ID=69917780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921186084.7U Active CN210223903U (en) | 2019-07-25 | 2019-07-25 | Relay with a movable contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210223903U (en) |
-
2019
- 2019-07-25 CN CN201921186084.7U patent/CN210223903U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |