CN210517936U - Take coil pack and drain pump of temperature controller - Google Patents
Take coil pack and drain pump of temperature controller Download PDFInfo
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- CN210517936U CN210517936U CN201921666031.5U CN201921666031U CN210517936U CN 210517936 U CN210517936 U CN 210517936U CN 201921666031 U CN201921666031 U CN 201921666031U CN 210517936 U CN210517936 U CN 210517936U
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- temperature controller
- pin
- coil assembly
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Abstract
The utility model provides a take coil pack of temperature controller, include: the coil frame, twine enameled wire, temperature controller on the coil frame and set up and be used for enameled wire and temperature controller and external power supply conducting connection's binding post on the coil frame, the temperature controller is equipped with and cuts out the pin of bending by the sheetmetal from the temperature controller body is drawn outward, and the pin respectively establishes the face that supplies the two to meet the connection with the binding post that is connected with the temperature controller, and this two faces are through butt-joint conducting connection. The utility model discloses a take coil pack of temperature controller carries out the butt-joint between face and the face through with binding post and temperature controller and is connected the existing line of replacement and the butt-joint of hole or line and face and be connected, its stable in structure reduces the required process of production process, and the technology is realized easily and efficient, more does benefit to automated production.
Description
Technical Field
The utility model relates to a coil pack internals's connection field especially relates to a coil pack and use this coil pack's drain pump structure with temperature controller. The IPC classification may belong to H02K 3/46.
Background
The coil assembly is a key part for the drainage pump, and in order to prevent the drainage pump from overheating due to working for a long time or other abnormalities, a temperature controller is usually added to the coil assembly. The technical scheme of the temperature controller is connected with the temperature controller in a butt-welding mode commonly used at present is CN208723650U, the temperature controller comprises a first connecting wire and a second connecting wire which are connected with the temperature controller body, a through hole is arranged on a connecting terminal, and the first connecting wire and the second connecting wire are welded on the through hole of the connecting terminal through butt-welding after passing through the through hole of the connecting terminal respectively.
The connecting wire of the temperature controller in the existing scheme is a multi-strand/single-strand lead wire, and the lead wire is soft, so that the connecting wire is difficult to penetrate through the through hole and assemble on the through hole, and the automatic production is difficult to realize. In particular, the temperature controller with multi-strand leads is generally in a dispersed state after being packaged, transported, and the like, and has poor stability. Reshaping and screwing are needed before welding, and the required process is complex and is not more beneficial to automatic production.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an optimize binding post and temperature controller connection structure's coil pack.
The utility model adopts the technical proposal that:
a coil assembly with a thermostat, comprising: the coil frame, twine enameled wire, temperature controller on the coil frame and set up and be used for enameled wire and temperature controller and external power supply conducting connection's binding post on the coil frame, the temperature controller is equipped with and cuts out the pin of bending by the sheetmetal from the temperature controller body is drawn outward, and the pin respectively establishes the face that supplies the two to meet the connection with the binding post that is connected with the temperature controller, and this two faces are through butt-joint conducting connection.
The utility model discloses a take coil pack of temperature controller carries out the butt-joint between face and the face through with binding post and temperature controller and is connected the existing line of replacement and the butt-joint of hole or line and face and be connected, its stable in structure reduces the required process of production process, and the technology is realized easily and efficient, more does benefit to automated production.
Furthermore, the surfaces of the two which are opposite to each other and connected by butt welding are planes or arc surfaces matched with each other.
Furthermore, the surfaces of the two which are oppositely connected are planes, and a welding bulge for butt welding connection is arranged on any plane in a protruding mode.
Furthermore, the coil former comprises a cylindrical coil former body used for winding the enameled wire and flange edges arranged at two ends of the coil former body and used for restraining the enameled wire, the flange edges above the axis of the cylindrical coil former are provided with upper end faces parallel to the axis, and the upper end faces are provided with grooves which are concave towards the direction of the axis of the coil former and are used for pins to be clamped in.
The utility model discloses a draw-in groove is for setting up the recess on the flange up end, and this design can make the temperature controller sink the assembly, avoids the limit of temperature controller main part and draw-in groove to bump the welding electrode and cause and block, realizes automatic welding more easily.
Furthermore, the temperature controller pins comprise a first pin and a second pin which are led out from the temperature controller body, and the grooves are internally provided with baffle blocks which separate the first pin and the second pin of the temperature controller.
Furthermore, a guide block for guiding and mounting the temperature controller is protruded on the side edge of the groove closest to the enameled wire on the upper end surface.
Furthermore, one side of the guide block close to the groove is an inclined surface with inclination.
Furthermore, the thickness of the metal sheet of the temperature controller pin is 0.2-1 mm.
Furthermore, the pin includes the welding plane of being connected with binding post butt-joint and the connecting portion of being connected temperature controller main part and welding plane, and the width of temperature controller welding plane is greater than the width of connecting portion.
Furthermore, the welding plane is bent at the tail end of the connecting part towards the direction close to the temperature controller body, and the included angle between the welding plane and the connecting part ranges from 75 degrees to 105 degrees.
Furthermore, the connecting terminal comprises a first connecting terminal, a second connecting terminal and a third connecting terminal, wherein the first connecting terminal is used for being connected with an external power supply and being in conduction connection with the enameled wire, the second connecting terminal is used for being connected with the external power supply and being in butt-welding connection with the temperature controller, the third connecting terminal is used for being connected with the enameled wire in conduction connection and being in butt-welding connection with the temperature controller, the second connecting terminal is provided with a second connecting plane which is in butt-welding connection with the temperature controller, and the third connecting terminal is provided with a third connecting plane.
Furthermore, the second connecting terminal is further provided with an external power supply connecting part for connecting with an external power supply, the external power supply connecting part is mutually perpendicular to the second connecting plane, the third connecting terminal is further provided with an enameled wire connecting part, and the enameled wire connecting part is mutually perpendicular to the third connecting plane.
Furthermore, the coil assembly further comprises a plastic shell formed by injection molding, and the plastic shell seals the enameled wire, the temperature controller pin and the joint butt-welding connection plane of the wiring terminal in the plastic shell.
The utility model also provides a drain pump, including the pump body, assemble pump cover and stator core on the pump body, and rotationally outside the rotor subassembly of assembling on the pump body, still including above-mentioned arbitrary coil pack, stator core passes coil pack fixed connection on the pump body.
For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic view of an exploded structure of the temperature controller of the present invention assembled in front of the bobbin;
fig. 2 is a schematic structural diagram of the coil assembly of the present invention;
FIG. 3 is a schematic structural view of the connecting structure of the connecting terminal and the temperature controller of the present invention;
fig. 4 is a schematic structural view of a second connection terminal of the present invention;
fig. 5 is a schematic structural view of a third connection terminal of the present invention;
FIG. 6 is a schematic structural view of the temperature controller of the present invention;
FIG. 7 is a schematic diagram of the right side structure of the temperature controller of the present invention;
fig. 8 is a schematic structural view of the bobbin of the present invention;
fig. 9 is a schematic structural view of the temperature controller and the connecting terminal in the embodiment 2 of the present invention, which are arc-shaped and face each other;
FIG. 10 is a schematic structural view of a thermostat with a welded protrusion;
fig. 11 is a schematic structural view of the molded coil assembly of the present invention;
fig. 12 is a schematic structural view of a drainage pump using the coil assembly of the present invention.
Wherein: 1-coil frame, 1.1-groove, 1.2-block, 1.3-guide block, 1.4-coil frame body, 1.5-flange edge, 1.5.1-upper end face, 2-enameled wire, 3-first connection terminal, 4-second connection terminal, 4.1-second connection plane, 4.2-external power supply connection part, 5-third connection terminal, 5.1-third connection plane, 5.2-enameled wire connection part, 6-temperature controller, 6.1-temperature controller body, 6.2-connection part, 6.2.1-first connection part, 6.2.2-second connection part, 6.3-welding plane, 6.3.1-first welding plane, 6.3.2-second welding plane, 6.4-first pin, 6.5-second pin, 6.6-welding projection, 7-plastic package shell, 10-coil assembly, 11-stator core, 12-pump body, 13-pump cover
Detailed Description
See fig. 2, the utility model discloses coil pack with temperature controller, it includes wire coil frame 1, twines enameled wire 2, temperature controller 6 on the coil frame and sets up the binding post that is used for enameled wire and temperature controller and external power source turn-on connection on the coil frame. The connecting terminal comprises a first connecting terminal 3, a second connecting terminal 4 and a third connecting terminal 5 which are used for being connected with an external power supply and being in conduction connection with the enameled wire.
As shown in fig. 4, the second connection terminal 4 is a metal body, and the second connection terminal 4 includes an external power connection portion 4.2 for connecting to an external power source and a second connection plane 4.1 for connecting to a thermostat.
As shown in fig. 5, the third connection terminal 5 is a metal body, and the third connection terminal 5 includes an enameled wire connection portion 5.2 for being conductively connected to an enameled wire and a third connection plane 5.1 for being conductively connected to a temperature controller.
As shown in fig. 6, the temperature controller 6 includes a temperature controller main body 6.1, and a first pin 6.4 and a second pin 6.5 which are cut and bent from a metal sheet and are led out from the temperature controller main body. In order to ensure that the temperature controller and the connecting terminal have a good welding process, the thickness of the pin of the temperature controller is 0.2-1mm, and preferably 0.3 or 0.4 mm. The first pin 6.4 comprises a first welding plane 6.3.1 connected with the third connecting plane 5.1 of the connecting terminal and a first connecting part 6.2.1 connecting the temperature controller main body 6.1 with the first welding plane 6.3.1. The second pin 6.5 comprises a second welding plane 6.3.2 connected with the second connecting plane 4.1 of the connecting terminal and a second connecting part 6.2.2 connecting the temperature controller main body 6.1 with the second welding plane 6.3.2. The first welding plane 6.3.1 of the first pin and the third connecting plane 5.1 of the connecting terminal and the second welding plane 6.3.2 of the second pin and the second connecting plane 4.1 are jointed to form conduction connection between the connecting terminal and the temperature controller through butt welding.
As another embodiment, as shown in fig. 8, the pin and the surface of the connection terminal connected to the temperature controller facing each other may be arc surfaces matched with each other, and the pin of the temperature controller is conductively connected to the connection terminal through a butt-weld connection.
The technical scheme of the utility model and current scheme contrast, the temperature controller pin of this scheme adopts the sheetmetal to make and forms, and its stable in structure need not carry out the processing of plastic before the welding. Furthermore, the surfaces of the pin and the wiring terminal are connected with each other in a butt-welding mode, so that the contact area of the pin and the wiring terminal is large, the butt-welding electrode can be adjusted and matched conveniently, and the automatic production is facilitated.
As shown in fig. 1, 2 and 8, the coil former includes a cylindrical coil former body 1.4 for winding the enamel wire and flange edges 1.5 provided at both ends of the coil former body for restraining the enamel wire. The flange edge above the axis L of the cylindrical coil rack is provided with an upper end surface 1.5.1 parallel to the axis, and the upper end surface is provided with a groove 1.1 which is concave towards the axis direction of the coil rack and is used for clamping pins. Temperature controller among this embodiment is for utilizing the pin card to go on the butt-joint again after going into recess 1.1 in the coil former and being connected, and it passes the through-hole with the lead wire and welds the contrast with passing of present scheme, and the assembly of this scheme is simpler, realizes automated production more easily.
As shown in fig. 10, as a preferred embodiment, the thermostat pin is protruded with a welding protrusion 6.6 toward the facing direction on the plane where the terminal faces. The welding projection can be a rib or a prism or a cylinder which is projected on a plane, and the preferred scheme of the embodiment is a projected rectangular rib. When in welding, the welding bulge 6.6 of the temperature controller is contacted with the second connecting plane and the third connecting plane of the connecting terminal. Because the contact area of welding between the temperature controller and the wiring terminal is reduced, when butt-welding current passes through the contact position with a small area, the energy required by welding is less, and the effect is better.
See fig. 4 and 5, external power supply connecting portion 4.2 and second connection plane 4.1 in the utility model, and enameled wire connecting portion 5.2 is mutually perpendicular with third connection plane 5.1 and is connected. The design can simultaneously realize the welding of the second connecting plane and the second welding plane, and the welding of the third connecting plane and the first welding plane by utilizing the butt-welding electrode in one butt-welding, thereby reducing the procedures required by welding and being more convenient for realizing automation.
As shown in fig. 2 and 8, a blocking block 1.2 for separating a first pin and a second pin of the thermostat is arranged in a groove 1.1 of the coil frame. The setting of keeping off the spacer block can block the pin of temperature controller effectively, prevents that the pin from producing deformation and causing the temperature controller short circuit by the influence of butt-joint electrode in the butt-joint process. In order to enable the pins of the temperature controller to be assembled on the grooves more easily, a guide block 1.3 for guiding and installing the temperature controller is protruded on the side edge, closest to the enameled wire, of the groove on the upper end face, and one side, close to the groove, of the guide block is an inclined face with an inclination.
Preferably, referring to fig. 2 and 6, the width H3 of the welding plane 6.3 where the thermostat is assembled on the bobbin groove is greater than the width H2 of the connection part 6.2. The design can ensure that the welding surface of the temperature controller and the connecting surface of the connecting terminal have good butt-welding process, the wider side of the usable welding surface of the temperature controller is clamped into the groove, the assembly is easy, and the realization of automatic production is facilitated. Referring to fig. 6 and 7, in order to save the assembly space, the welding plane 6.3 is bent at the end of the connecting part toward the direction of the thermostat body 6.1, and the included angle between the welding plane 6.3 and the connecting part 6.2 ranges from 75 degrees to 105 degrees. Preferably, the connection portion of the pin and the soldering plane are connected perpendicularly.
The coil assembly shown in fig. 11 further includes a plastic casing 7 formed by injection molding, and the plastic casing 7 seals the enameled wire, the temperature controller, and the joint butt-welding connection plane of the temperature controller pin and the connection terminal in the plastic casing. The effect of plastic casing 7 is sealed in the plastic casing for the joint part with enameled wire and binding post and temperature controller and binding post's face of weld branch, prevents that the enameled wire from connecing enameled wire and binding post connecting portion and temperature controller and binding post face of weld because the influence that receives external environment produces the oxidation, causes coil pack's inefficacy. The seal in this embodiment is IP54 that meets the IP protection rating.
Fig. 12 shows a drainage pump with a thermostat coil assembly, which includes a pump body 11, a pump cover 13 and a stator core 11 assembled on the pump body, and a rotor assembly rotatably assembled on the pump body, and also includes the above-mentioned coil assembly 10, in which the stator core 11 passes through the coil assembly 10 and is fixedly connected to the pump body 11.
The utility model provides a take coil pack and drain pump of temperature controller, it adopts the more excellent temperature controller of stability, carries out the butt-joint through the accurate location with the coil former and is connected. The utility model discloses scheme and prior art scheme contrast, stable in structure, production processes are less, and the technology is realized easily and efficient, more does benefit to automated production.
The present invention is not limited to the above embodiment, and if various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, they are intended to be covered if they fall within the scope of the claims and the equivalent technology of the present invention.
Claims (14)
1. A coil assembly with a thermostat, comprising: coil former, twine enameled wire, temperature controller on the coil former and set up the binding post that is used for enameled wire and temperature controller and external power source switch-on connection on the coil former, the temperature controller is equipped with and cuts out the pin that bends and form, its characterized in that by the sheetmetal from this external introduction of temperature controller: the pin and the wiring terminal connected with the temperature controller are respectively provided with a surface for the pin and the wiring terminal to face each other and be connected, and the two facing surfaces are in conductive connection through butt welding.
2. The coil assembly of claim 1, wherein: the surfaces of the two which are opposite to each other and connected by butt welding are planes or arc surfaces which are matched with each other.
3. The coil assembly of claim 1, wherein: the surfaces of the two parts which are oppositely connected are planes, and a welding bulge for butt welding connection is arranged on any one plane.
4. The coil assembly of claim 1, wherein: the coil former is including the flange limit that is used for twining the cylindricality coil former body of enameled wire and locating coil former body two ends and be used for retraining the enameled wire the flange limit of cylindricality coil former axis top be equipped with the up end that the axis is parallel, this up end is equipped with towards the downward confession of sinking of coil former axis direction the recess that the pin was gone into.
5. The coil assembly of claim 4, wherein: the temperature controller pins comprise a first pin and a second pin which are led out from the temperature controller body, and baffle blocks for separating the first pin and the second pin of the temperature controller are arranged in the grooves.
6. The coil assembly of claim 5, wherein: and a guide block used for guiding and mounting a temperature controller is protruded on the side edge of the upper end surface, which is closest to the enameled wire, of the groove.
7. The coil assembly of claim 6, wherein: one side of the guide block close to the groove is an inclined surface with inclination.
8. The coil assembly of claim 1, wherein: the thickness of the metal sheet of the temperature controller pin is 0.2-1 mm.
9. The coil assembly of claim 1, wherein: the pin comprises a welding plane connected with the wiring terminal in a butt-joint mode and a connecting portion for connecting the temperature controller main body with the welding plane, and the width of the temperature controller welding plane is larger than that of the connecting portion.
10. The coil assembly of claim 9, wherein: the welding plane is bent at the tail end of the connecting part towards the direction close to the temperature controller body, and the included angle between the welding plane and the connecting part ranges from 75 degrees to 105 degrees.
11. The coil assembly of claim 1, wherein: binding post is including being used for with external power source connection and with enameled wire conducting connection's first binding post, be used for with external power source connection and with the temperature controller butt-joint second binding post of being connected and be used for with the enameled wire conducting connection and with the temperature controller butt-joint third binding post of being connected, second binding post is equipped with the second connecting plane of being connected with the temperature controller butt-joint, third binding post is equipped with and bumps welded connection's third connecting plane with the temperature controller.
12. The coil assembly of claim 11, wherein: the second wiring terminal is further provided with an external power supply connecting portion used for being connected with an external power supply, the external power supply connecting portion is mutually perpendicular to the second connecting plane, the third wiring terminal is further provided with an enameled wire connecting portion, and the enameled wire connecting portion is mutually perpendicular to the third connecting plane.
13. The coil assembly of claim 1, wherein: the coil assembly further comprises a plastic shell formed by injection molding, and the plastic shell seals the enameled wire, the temperature controller pin and the joint butt-welding connection plane of the wiring terminal in the plastic shell.
14. The utility model provides a drain pump, its is including the pump body, assemble pump cover and stator core on the pump body, and rotationally assemble the rotor subassembly on the pump body, its characterized in that: a coil assembly comprising a stator core according to any one of claims 1 to 11, said stator core being fixedly attached to the pump body through the coil assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921666031.5U CN210517936U (en) | 2019-09-30 | 2019-09-30 | Take coil pack and drain pump of temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921666031.5U CN210517936U (en) | 2019-09-30 | 2019-09-30 | Take coil pack and drain pump of temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210517936U true CN210517936U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921666031.5U Active CN210517936U (en) | 2019-09-30 | 2019-09-30 | Take coil pack and drain pump of temperature controller |
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| Country | Link |
|---|---|
| CN (1) | CN210517936U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021256178A1 (en) * | 2020-06-17 | 2021-12-23 | パナソニックＩｐマネジメント株式会社 | Molding coil, stator, and rotary electric machine |
-
2019
- 2019-09-30 CN CN201921666031.5U patent/CN210517936U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021256178A1 (en) * | 2020-06-17 | 2021-12-23 | パナソニックＩｐマネジメント株式会社 | Molding coil, stator, and rotary electric machine |
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