CN217081615U - Electronic expansion valve coil - Google Patents
Electronic expansion valve coil Download PDFInfo
- Publication number
- CN217081615U CN217081615U CN202221074944.XU CN202221074944U CN217081615U CN 217081615 U CN217081615 U CN 217081615U CN 202221074944 U CN202221074944 U CN 202221074944U CN 217081615 U CN217081615 U CN 217081615U
- Authority
- CN
- China
- Prior art keywords
- expansion valve
- electronic expansion
- winding
- valve coil
- contact pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model provides an electronic expansion valve coil, including winding wiring contact pin, ground contact pin, stator casing and winding, the winding with winding wiring contact pin electricity is connected, stator casing and winding pass through the cladding of injection molding body, the injection molding body with form spacing hole between the stator casing, the ground contact pin includes installation department and main part, the installation department inserts spacing hole makes the ground contact pin is relative the stator casing contact is spacing, the main part is connected with the earth connection electricity. The scheme fixes the grounding pin through the limiting hole and determines the position of the grounding pin, so that the grounding pin is conveniently and quickly assembled, and the production cost is reduced.
Description
Technical Field
The utility model relates to a fluid control technical field, in particular to electronic expansion valve coil.
Background
Chinese application 202020216015.2 discloses an electric valve, including circuit board, stator module includes stator casing and winding, the winding is connected with the circuit board electricity, the electric valve has first spacing portion and second spacing portion, first spacing portion and second spacing portion are located the stator casing, the electric valve still includes ground connection, ground connection includes installation department and main part, the installation department with the main part conductive connection, the installation department includes first installation department and second installation department, first installation department with first spacing portion is connected, can realize in the axial the fixed connection and the conductive connection of ground connection with the stator casing; the second installation part is matched with the second limiting part, the first installation part is connected and combined with the first limiting part to enable the grounding part to rotate and limit the stator shell, and the main body part is in conductive connection with the reference stratum of the circuit board. However, this scheme grounding part dress portion includes first installation department and second installation department, and the grounding part makes the grounding part fixed relatively stator shell through two installation departments, and one of them installation department is fixed through welding or riveting or screwed connection, and the structure is complicated, is unfavorable for batch production.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electron expansion valve coil, ground contact pin make the relative stator casing fixed connection of ground contact pin through an installation department, have reduced manufacturing cost.
Electronic expansion valve coil, including winding wiring contact pin, ground contact pin, stator casing and winding, the winding with winding wiring contact pin electricity is connected, stator casing and winding are through the cladding of the injection molding body, the injection molding body with form spacing hole between the stator casing, the ground contact pin includes installation department and main part, the installation department inserts spacing hole makes the ground contact pin is relative the stator casing contacts and spacing, the main part is connected with the earth connection electricity. According to the embodiment, the grounding contact pin is fixed through the limiting hole, the position of the grounding contact pin is determined, the grounding contact pin is conveniently and quickly assembled, and the production cost is reduced.
Further, the stator shell comprises a side surface and an end surface, and the limiting hole is located in the end surface of the stator shell.
Further, the stator shell comprises a side surface and an end surface, and the limiting hole is located on the side surface of the stator shell.
Further, the ground connection contact pin installation department is the slice, the installation department with spacing hole interference fit.
Further, the grounding pin mounting part has a convex part contacting the stator housing.
Furthermore, the winding is connected with a plurality of winding wiring contact pins, and the tail end of the main body part of the grounding contact pin is parallel to the winding wiring contact pins.
Furthermore, the connection projection of the tail section of the main body part of the grounding contact pin and the winding wiring contact pin is in a straight line shape.
Further, the width of the grounding pin installation part is larger than that of the main body part.
Further, the injection molding body comprises a positioning portion, and the positioning portion limits the position of the main body portion of the grounding contact pin.
Further, the grounding contact pin installation part is fixed through glue bonding.
Drawings
Fig. 1 is a schematic view illustrating a coil structure of an electronic expansion valve according to a first embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a three-dimensional structure of the electronic expansion valve coil of fig. 1 according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating a structure of the ground pin shown in fig. 1 according to an embodiment of the present invention;
fig. 4 shows a schematic structural diagram of a coil of an electronic expansion valve according to a second embodiment of the present invention;
fig. 5 is a schematic diagram showing a three-dimensional structure of the electronic expansion valve coil of fig. 4 according to the second embodiment of the present invention;
fig. 6 is a schematic diagram illustrating a structure of the grounding pin shown in fig. 4 according to a second embodiment of the present invention.
Reference numbers in the figures: injection molding body 1, stator casing 2, spacing hole 3, grounding contact pin 4, winding wiring contact pin 5, contact pin locating piece 6
Detailed Description
The following describes embodiments of the present invention in detail. In the description herein, it will be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Fig. 1 to fig. 3 show the utility model discloses an electronic expansion valve coil structure sketch map of embodiment one, according to the utility model discloses an embodiment one, electronic expansion valve coil includes winding, winding wiring contact pin 5, ground contact pin 4, stator casing 2, contact pin locating piece 6, and the winding is connected with winding wiring contact pin 5 electricity, and stator casing 2 surrounds winding (not shown), and stator casing and winding pass through the cladding of injection molding 1, form spacing hole 3 between injection molding and the stator casing, and ground contact pin includes installation department 41 and main part 42, and the installation department inserts spacing hole 3 for the relative stator casing contact of ground contact pin is spacing, and ground contact pin main part is connected with the earth connection electricity. The winding wiring contact pin 5 and the tail end 421 of the grounding contact pin are inserted into the positioning block 6 to accurately limit the relative positions, so as to facilitate the connection of a circuit board (not shown), the grounding contact pin is connected with a reference ground layer of the circuit board, and the reference ground layer of the circuit board is electrically connected with a grounding wire. According to the embodiment, the grounding contact pin is fixed through the limiting hole, the position of the grounding contact pin is determined, the assembly of the grounding contact pin is conveniently and quickly realized, and the production cost is reduced.
In this embodiment, see fig. 1 and fig. 2, spacing hole 3 is located the side of stator housing, and spacing hole opening is parallel with electronic expansion valve coil centre bore axis, and ground contact pin 4 installation department 41 is the slice, and ground contact pin installation department width is greater than the main part width, installation department and spacing hole interference fit, and the installation department has convex part 411, convex part contact stator housing. The winding is connected with a plurality of winding wiring contact pins, the circuit board is connected with the end parts of the plurality of winding wiring contact pins, the tail end of the main body part of the grounding contact pin is parallel to the winding wiring contact pins and is parallel to the axis of the central hole of the electronic expansion valve coil, and the tail end of the main body part of the grounding contact pin is in a straight shape after being connected with the winding wiring contact pins for projection, so that the circuit board is convenient to position and connect. Of course, the grounding pin main body portion may be bent as necessary. One side of the injection molding body is provided with an opening, and a box cover (not shown) is arranged at the opening, so that the installation of components such as a circuit board and the like in the injection molding is facilitated.
Fig. 4, 5 and 6 are schematic structural diagrams of an electronic expansion valve coil according to a second embodiment of the present invention, and the main difference between the second embodiment and the electronic expansion valve coil according to the first embodiment is the difference of the limiting hole for installing the grounding pin, and the pin positioning block is eliminated. Other parts are the same as those in the first embodiment and the connection function relationship between the parts and components not described in detail in this embodiment is the same as that in the first embodiment and will not be described in detail.
The utility model discloses an electronic expansion valve coil of embodiment two, spacing hole are located stator housing 2's terminal surface, and 3 openings in spacing hole are perpendicular with electronic expansion valve coil centre bore axis, and 4 installation departments of ground contact pin 41 are the slice, and 41 widths in ground contact pin installation department are greater than the main part 42 width, installation department and spacing hole interference fit, and the installation department has convex part 411, and convex part 411 contacts stator housing 2. The windings are connected with a plurality of winding wiring pins, a circuit board (not shown) is connected with the end parts of the plurality of winding wiring pins 5, the tail end 421 of the main body part 42 of the grounding pin is parallel to the winding wiring pins 5 and is vertical to the axis of the central hole of the coil of the electronic expansion valve, and the tail end of the main body part of the grounding pin and the wiring projection of the winding wiring pins are in a straight shape, so that the circuit board is convenient to connect. In this embodiment, the injection molding body includes location portion, and location portion is the open slot, and ground pin diameter is only about 1mm, and easy deformation leads to the position deviation, further prescribes a limit to ground pin main part position through location portion open slot. Further, the ground contact pin installation department is not hard up with spacing hole interference fit easily, can further bond fixedly through glue.
The principles and embodiments of the present invention have been explained herein using specific examples, which are clearly set forth in the cited background and are not repeated herein, and the above descriptions of the embodiments are only used to help understand the methods and their core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. Electronic expansion valve coil, including winding wiring contact pin, ground contact pin, stator casing and winding, the winding with winding wiring contact pin electricity is connected, stator casing and winding are through the cladding of the injection molding body, its characterized in that, the injection molding body with form spacing hole between the stator casing, the ground contact pin includes installation department and main part, the installation department inserts spacing hole makes the ground contact pin is relative the stator casing contacts and spacing, the main part is connected with the earth connection electricity.
2. The electronic expansion valve coil of claim 1, wherein the stator housing includes a side surface and an end surface, and the limiting hole is located at the end surface of the stator housing.
3. The electronic expansion valve coil of claim 1, wherein the stator housing includes a side surface and an end surface, and the limiting hole is located on the side surface of the stator housing.
4. The electronic expansion valve coil as claimed in claim 1, 2 or 3, wherein the grounding pin mounting part is sheet-shaped, and the mounting part is in interference fit with the limiting hole.
5. The electronic expansion valve coil of claim 4, wherein the grounding pin mounts have a protrusion that contacts the stator housing.
6. The electronic expansion valve coil of claim 1, wherein the windings are connected to a plurality of winding connection pins, and the grounding pin body sections are parallel to the winding connection pins.
7. The electronic expansion valve coil of claim 6, wherein the connection projection of the grounding pin body end section and the winding wiring pin is in a straight line shape.
8. The electronic expansion valve coil of claim 4, wherein the ground pin mounting portion width is greater than the body portion width.
9. The electronic expansion valve coil of claim 2 or 3, wherein the injection molded body comprises a positioning portion that defines the grounding pin body portion position.
10. The electronic expansion valve coil of claim 1, wherein the grounding pin mounting portion is adhesively secured by glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221074944.XU CN217081615U (en) | 2022-05-04 | 2022-05-04 | Electronic expansion valve coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221074944.XU CN217081615U (en) | 2022-05-04 | 2022-05-04 | Electronic expansion valve coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217081615U true CN217081615U (en) | 2022-07-29 |
Family
ID=82502585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221074944.XU Active CN217081615U (en) | 2022-05-04 | 2022-05-04 | Electronic expansion valve coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217081615U (en) |
-
2022
- 2022-05-04 CN CN202221074944.XU patent/CN217081615U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101447628A (en) | Interface connector for a motor and a motor incorporating the interface connector | |
| EP2075882A2 (en) | Method of manufacturing lead block for rotary connector | |
| CN217081615U (en) | Electronic expansion valve coil | |
| CN107542671B (en) | Electronic pump | |
| EP2362500B1 (en) | Connecting structure for electric cables and electric apparatus | |
| CN108375795B (en) | proximity sensor | |
| CN102856119A (en) | Minitype heavy-current PCB (Printed Circuit Board) automobile relay | |
| US11417946B2 (en) | Electronic timepiece | |
| CN210578152U (en) | Controller assembly and motor three-phase combined connection structure | |
| US4199931A (en) | Connection terminal construction for driving coils of electronic timepieces | |
| CN114156681A (en) | Joint connector | |
| CN217335216U (en) | Stator structure and motor | |
| CN213366345U (en) | Wiring base, miniature transformer and power module | |
| CN219066600U (en) | Pot-shaped plug-in transformer | |
| CN211957357U (en) | Modular power supply | |
| CN216487561U (en) | Coil assembly and electronic expansion valve with same | |
| CN216434193U (en) | Ammeter casing | |
| CN102810795B (en) | Electric connector | |
| JPS6015200B2 (en) | Cartridge | |
| CN217824452U (en) | Plastic package stator structure and motor using same | |
| CN216928254U (en) | Inductance element and power supply product | |
| CN220088593U (en) | Support assembly, heating assembly and electronic atomization device | |
| CN212785087U (en) | Grounding structure of motor and motor | |
| CN218101140U (en) | Earth leakage protection assembly and earth leakage circuit breaker | |
| CN110854589B (en) | Waterproof USB2.0 connector ground structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230523 Address after: Floor 11-230, Building 15, International Car City, No. 309 Green Valley Avenue, Nanmingshan Street, Liandu District, Lishui City, Zhejiang Province, 323010 Patentee after: Zhejiang Zhihui Automotive Thermal Management Technology Co.,Ltd. Address before: 323700 No.2 Guangyuan Road, regression project, Longquan City, Lishui City, Zhejiang Province Patentee before: Longquan Huifeng import and Export Co.,Ltd. |