CN213878507U - Connection structure of binding post and temperature controller to and coil pack and drain pump motor - Google Patents
Connection structure of binding post and temperature controller to and coil pack and drain pump motor Download PDFInfo
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- CN213878507U CN213878507U CN202022873004.4U CN202022873004U CN213878507U CN 213878507 U CN213878507 U CN 213878507U CN 202022873004 U CN202022873004 U CN 202022873004U CN 213878507 U CN213878507 U CN 213878507U
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- temperature controller
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Abstract
The utility model provides a connecting structure of a connecting terminal and a temperature controller, wherein the connecting terminal comprises a connecting terminal body and a connecting column which is formed by extending upwards along the connecting terminal body; the temperature controller is provided with a pin with a through hole, and the connecting column is arranged in the through hole in a penetrating way; a soldering tin layer which is contacted with the through hole and the connecting column is arranged around the through hole and is used for filling a gap between the through hole and the connecting column so as to fixedly connect the through hole and the connecting column; the connector is characterized in that a groove is formed in the position, in contact with the soldering tin layer, of the connecting column, and is used for providing supporting force for the soldering tin layer and preventing the soldering tin layer from being separated from the connecting column.
Description
Technical Field
The utility model belongs to wiring and connection field especially relate to a connection structure of binding post and temperature controller to and coil pack and drain pump motor, the IPC classification belongs to H01R 13/405.
Background
Chinese patent application CN109301567A discloses a connection structure of a connection terminal and a temperature controller, which is based on the connection terminal with a specific structure, and realizes the welding connection of the temperature controller and a connection post, so that the temperature controller is easy to install, but in actual production, the temperature controller is easily pulled by external force after being welded to the connection post, so that soldering tin is peeled off, and the temperature controller is loose or has poor contact.
For terms and common knowledge, refer to the mechanical engineering handbook and the electromechanical engineering handbook, published in 1983 or 1997 of mechanical industry Press.
Disclosure of Invention
The utility model discloses the technical problem that need solve is, improves on CN 109301567A's basis, prevents effectively that the temperature controller pine from taking off or contact failure. The utility model adopts the following technical scheme:
a connecting structure of a wiring terminal and a temperature controller is disclosed, wherein the wiring terminal comprises a wiring terminal body and a connecting column which extends upwards along the wiring terminal body; the temperature controller is provided with a pin with a through hole, and the connecting column is arranged in the through hole in a penetrating way; a soldering tin layer which is contacted with the through hole and the connecting column is arranged around the through hole and is used for filling a gap between the through hole and the connecting column so as to fixedly connect the through hole and the connecting column; the soldering tin layer is characterized in that a groove is formed in the position, in contact with the soldering tin layer, of the connecting column.
Preferably, the groove is provided with a first end surface which has an included angle of 90 degrees or more with the connecting column.
Specifically, the wiring terminal further comprises a wiring terminal which extends and protrudes from one end of the wiring terminal body after being bent and is used for being electrically connected with the enameled wire.
Specifically, the connecting terminal further comprises a plug piece part which extends and protrudes from one end of the connecting terminal body after being bent and is used for being electrically connected with an external power supply.
The utility model also provides a coil component, a serial communication port, include: the coil framework, the connecting terminal and the temperature controller are connected; the wiring terminal is fixed on the coil framework in an inserting mode, and the enameled wire is wound on the coil framework to form a coil.
Specifically, the coil assembly further comprises a plastic package layer, wherein the plastic package layer is formed by injection molding and wraps the coil framework, the coil and the connecting structure of the wiring terminal and the temperature controller.
The utility model also provides a drain pump motor, a serial communication port, include coil pack.
The utility model discloses following beneficial effect has:
(1) the temperature controller is pulled by external force to easily make the soldering tin layer connected between the temperature controller pin and the connecting column peeled off, so that the temperature controller pin is separated from the connecting column or has poor contact with the connecting column. The position that the coupling post contacted with the soldering tin layer sets up the recess, provides the holding power for the soldering tin layer in order to keep being connected with temperature controller pin and coupling post, prevents that the temperature controller pin from breaking away from the coupling post or with coupling post contact failure, improves the reliability that binding post electricity is connected.
(2) The included angle between the opening direction of the groove and the extending direction of the connecting column is at least 90 degrees, the supporting force provided by the groove is further enhanced, and the connecting column is more firmly fixedly connected with the soldering tin layer.
(3) Because the temperature controller is connected in series between coil and external power source, so binding post and temperature controller's connection structure contains two kinds of concrete structures, a pin that is used for connecting coil and temperature controller, another kind is used for connecting another pin and the inserted sheet portion of temperature controller, two kinds of concrete structure simple structures, simple to operate has improved coil assembly's production efficiency.
(4) The plastic package layer wraps the parts electrically connected with the inside of the coil assembly, so that the corrosion of external water vapor to the wiring terminal and the coil is effectively prevented.
Drawings
Fig. 1 is a perspective view of a connection terminal of embodiment 1;
FIG. 2 is a perspective view of a connection structure of a connection terminal and a temperature controller according to embodiment 1;
FIG. 3 is a perspective view of the connection terminal and the temperature controller of embodiment 1 after being welded;
fig. 4 is an enlarged view of the terminal attachment post of example 1;
FIG. 5 is a cross-sectional view of the terminal connecting post and the solder layer after the connection of examples 1 and 2;
fig. 6 is a perspective view of the connection terminal of embodiment 2;
FIG. 7 is a perspective view of a connection structure of a connection terminal and a thermostat according to embodiment 2;
FIG. 8 is a perspective view of the connection terminal and the temperature controller of embodiment 2 after being welded;
fig. 9 is a perspective view of the coil assembly of the present invention;
fig. 10 is a perspective view of the coil assembly of the present invention after injection molding of plastic to form a plastic sealing layer;
fig. 11 is a side view of the drain pump motor of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, in the present embodiment 1, the junction terminal 1 includes a terminal body 11, a post 12, and a coupling post 14.
The terminal body 11 is sheet-shaped, and the lower portion thereof can be fixed in an insertion groove of the bobbin 4 (not shown in fig. 1) in an insertion manner.
The post 12 is for electrical connection with the enameled wire 2 (not shown in fig. 1), is fixed to the terminal body 11, and extends and protrudes from one end of the terminal body 11 in a direction perpendicular to a plane in which the terminal body 11 is located.
The connecting post 14 is a column extending from one end of the terminal body 11 in a direction of a plane where the terminal body 11 is located.
As shown in fig. 2 and 3, the thermostat 6 has a first pin 61, and a first through hole 611 is formed at an end of the first pin 61. The coupling post 14 passes through the first through hole 611 and is welded to the first pin 61 through the coupling post 14, so that the thermostat 6 is electrically connected to the terminal block 1. The soldering connection is such that the circumference of the first through hole 611 is provided with a solder layer 13 in contact with the first through hole 611 and the coupling stud 14 for filling the gap between the first through hole 611 and the coupling stud 14, so that the first through hole 611 and the coupling stud 14 are fixedly connected.
The main improvement of this embodiment 1 is that the connecting column 14 is provided with a groove 141 with an opening direction perpendicular to the direction of penetration of the connecting column 14 at the position where the connecting column 14 contacts the solder layer 13, the groove 141 is provided with a first end surface 1411 near the top of the connecting column 14 and a second end surface 1412 near the bottom of the connecting column 14, and preferably, as shown in fig. 4 and 5, the angle α between the first end surface 1411 of the groove 141 and the extending direction of the connecting column is greater than or equal to 90 °. The soldering tin layer 13 connected between the first pin 61 of the thermostat and the coupling post 14 is easily peeled off by the pulling of the thermostat 6 under external force, which causes the first pin 61 of the thermostat to be separated from the coupling post 14 or to be in poor contact with the coupling post 14. The groove 141 enables the soldering tin layer 13 to be filled in after molding, and provides a supporting force for the soldering tin layer 13 to keep connection with the first pin 61 of the temperature controller and the connecting column 14, particularly, an included angle alpha between the first end surface 1411 of the groove 141 and the extending direction of the connecting column 14 is larger than or equal to 90 degrees, the soldering tin layer 13 forms an inverted structure with the first end surface 1411, the first pin 61 of the temperature controller is prevented from being separated from the connecting column 14 or being in poor contact with the connecting column 14, and the reliability of electric connection of the connecting terminal 1 is improved.
Example 2
As shown in fig. 6, in the present embodiment 2, the terminal 1 includes a terminal body 11, a blade portion 15, and a coupling post 14.
The terminal body 11 is sheet-shaped, and the lower portion thereof can be fixed in an insertion groove of the bobbin 4 (not shown in fig. 6) in an insertion manner.
The insert part 15 is used for being electrically connected with an external power supply, is fixed on the terminal body 11, and extends and protrudes from one end of the terminal body 11 after being bent along a direction parallel to the plane of the terminal body 11.
As shown in fig. 7 and 8, the temperature controller 6 has a second pin 62, and the end of the second pin 62 is provided with a second through hole 621. The coupling post 14 passes through the second through hole 621 and is welded to the second pin 62 through the coupling post 14, so that the thermostat 6 is electrically connected to the blade portion 15. The soldering connection is such that the second through hole 621 is provided with a solder layer 13 around it, which is in contact with the second through hole 621 and the coupling post 14, for filling the space between the second through hole 621 and the coupling post 14, so that the second through hole 621 and the coupling post 14 are fixedly connected.
The main improvement of this embodiment 2 is that, as shown in fig. 5, the connecting column 14 is provided with a groove 141 with an opening direction perpendicular to the direction of penetration of the connecting column 14 at the position where the connecting column 14 contacts with the solder layer 13, the groove 141 is provided with a first end surface 1411 near the top of the connecting column 14 and a second end surface 1412 near the bottom of the connecting column 14, and preferably, the angle between the first end surface 1411 of the groove 141 and the extending direction of the connecting column is greater than or equal to 90 °. The solder layer 13 connected between the thermostat second pin 62 and the coupling post 14 is easily peeled off by the pulling of the thermostat 6 due to external force, which results in the disconnection of the thermostat second pin 62 from the coupling post 14 or poor contact with the coupling post 14. The groove 141 enables the solder layer 13 to be filled after molding, and provides a supporting force for the solder layer 13 to keep connection with the second pin 62 of the temperature controller and the coupling post 14, especially an included angle between the first end surface 1411 of the groove 141 and the extension direction of the coupling post 14 is greater than or equal to 90 degrees, the solder layer 13 forms an inverted structure with the first end surface 1411, the second pin 62 of the temperature controller is prevented from being separated from the coupling post 14 or having poor contact with the coupling post 14, and the reliability of electrical connection of the terminal 1 is improved.
As shown in fig. 9, the present invention further provides a coil assembly 3, which includes a coil frame 4 and the connection structure between the connection terminal and the temperature controller described in embodiment 1 and/or embodiment 2; the wiring terminal 1 is fixed on the coil frame 4 in an inserting mode, and the enameled wire 2 is wound on the coil frame 4 to form a coil.
As shown in fig. 10, the coil assembly 3 is further optimized: the temperature controller is characterized by comprising a plastic packaging layer 5, wherein the plastic packaging layer 5 is made by injection plastic molding, wraps the coil framework 4, the coil and the connecting structure of the wiring terminal and the temperature controller, and exposes the part of the plug-in part 15, which is contacted with an external power supply.
As shown in fig. 11, the present invention further provides a drain pump motor, including the coil assembly 3, the stator core 7, the pump body 81 and the pump cover 82. In other embodiments, the coil assembly of the present invention may be applied to other motors.
The utility model discloses a binding post 1, coil pack 3 are not restricted to in the application of motor, and it can be applied to all probably contain in binding post 1, coil pack 3's the electrical apparatus, for example solenoid valve, transformer etc..
Claims (7)
1. A connecting structure of a wiring terminal and a temperature controller is disclosed, wherein the wiring terminal comprises a wiring terminal body and a connecting column which extends upwards along the wiring terminal body; the temperature controller is provided with a pin with a through hole, and the connecting column is arranged in the through hole in a penetrating way; a soldering tin layer which is contacted with the through hole and the connecting column is arranged around the through hole and is used for filling a gap between the through hole and the connecting column so as to fixedly connect the through hole and the connecting column; the soldering tin layer is characterized in that a groove is formed in the position, in contact with the soldering tin layer, of the connecting column.
2. The connecting structure of a connection terminal and a temperature controller according to claim 1, wherein the groove is provided with a first end surface having an angle of 90 ° or more with the extending direction of the coupling post.
3. The connection structure of the connection terminal and the temperature controller according to claim 1 or 2, wherein the connection terminal further comprises a binding post bent from one end of the connection terminal body and extending to protrude, for electrically connecting with an enameled wire.
4. The connection structure of a connection terminal and a temperature controller according to claim 1 or 2, wherein the connection terminal further includes a tab portion bent from one end of the connection terminal body and extended to protrude therefrom for electrical connection with an external power source.
5. A coil component, comprising a coil bobbin, and a connection structure of the connection terminal and the temperature controller according to claim 3; the wiring terminal is fixed on the coil framework in an inserting mode, and the enameled wire is wound on the coil framework to form a coil.
6. The coil assembly according to claim 5, further comprising a plastic package layer, wherein the plastic package layer is formed by injection molding and covers the coil bobbin, the coil and the connection structure of the connection terminal and the temperature controller.
7. A sump pump motor comprising the coil assembly of claim 5 or 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022873004.4U CN213878507U (en) | 2020-12-02 | 2020-12-02 | Connection structure of binding post and temperature controller to and coil pack and drain pump motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022873004.4U CN213878507U (en) | 2020-12-02 | 2020-12-02 | Connection structure of binding post and temperature controller to and coil pack and drain pump motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213878507U true CN213878507U (en) | 2021-08-03 |
Family
ID=77041312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022873004.4U Active CN213878507U (en) | 2020-12-02 | 2020-12-02 | Connection structure of binding post and temperature controller to and coil pack and drain pump motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213878507U (en) |
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2020
- 2020-12-02 CN CN202022873004.4U patent/CN213878507U/en active Active
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