CN219888849U - Electronic expansion valve coil capable of reducing glue leakage - Google Patents
Electronic expansion valve coil capable of reducing glue leakage Download PDFInfo
- Publication number
- CN219888849U CN219888849U CN202321189790.3U CN202321189790U CN219888849U CN 219888849 U CN219888849 U CN 219888849U CN 202321189790 U CN202321189790 U CN 202321189790U CN 219888849 U CN219888849 U CN 219888849U
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- CN
- China
- Prior art keywords
- electronic expansion
- expansion valve
- block
- separation
- valve coil
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- 239000003292 glue Substances 0.000 title claims abstract description 28
- 238000000926 separation method Methods 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 210000000078 claw Anatomy 0.000 description 6
- 238000010030 laminating Methods 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses an electronic expansion valve coil for reducing glue leakage, which relates to the field of electronic expansion valves and comprises a coil body, a wiring block arranged on the side wall of the coil body, and a cap detachably connected with the wiring block, wherein a plurality of separation blocks are fixed on the end face of the wiring block, a separation strip is fixed between the two separation blocks, and binding posts are fixed at the end parts of the separation blocks. The utility model has the effect of improving the tightness of the coil of the electronic expansion valve.
Description
Technical Field
The utility model relates to the field of electronic expansion valves, in particular to an electronic expansion valve coil capable of reducing glue leakage.
Background
When the electronic expansion valve coil is used, the electronic expansion valve is arranged in the electronic expansion valve coil in a penetrating way, and the electronic expansion valve coil is externally connected with the circuit board.
The patent with the publication number of CN105276265B discloses an electronic expansion valve coil, which comprises a stator assembly, a circuit board, a connecting wire and a sealant, wherein the stator assembly consists of a coil framework, enameled wires, a middle polar plate, a machine shell, an outlet box and binding posts, polar claws are respectively arranged on the middle polar plate and the machine shell, the electronic expansion valve coil also comprises an injection molding body which is sleeved outside the stator assembly and is integrally injection molded by the stator assembly, an abdication port is arranged at the outlet box, the binding posts are connected with the circuit board welded with connecting wires at the abdication port, the sealant is arranged in a gap between the abdication port and the circuit board, the machine shell is in a cylinder shape with smooth and continuous surface, the polar claws of the middle polar plate are identical in shape and size with the polar claws of the machine shell, the polar claws of the middle polar plate are staggered and opposite to the polar claws of the machine shell, and the distance between the polar claws of the middle polar plate and the machine shell is 1.0-1.5mm. The utility model well solves the problems of easy motor reversal, open circuit and short circuit existing in the coil of the electronic expansion valve.
In the process of realizing the application, the inventor finds that at least the following problems exist in the technology, the binding posts are arranged in parallel, and in the process of fixing the circuit board, the contact surface is uneven because the circuit board is fixed with the circuit, and the wire harness is not provided with a fixing groove, so that the wire harness is contacted with each other, and the sealing effect is affected.
Disclosure of Invention
In order to improve the sealing performance of the electronic expansion valve coil, the utility model provides the electronic expansion valve coil capable of reducing glue leakage.
The utility model provides an electronic expansion valve coil capable of reducing glue leakage, which adopts the following technical scheme:
the utility model provides a reduce electronic expansion valve coil of leaking glue, includes the coil body, sets up in the junction block of coil body lateral wall, can dismantle the cap of connecting in the junction block, the junction block terminal surface is fixed with a plurality of separate pieces, two separate and be fixed with the separate strip between the separate piece, separate piece tip is fixed with the terminal.
Through adopting above-mentioned technical scheme, the terminal is used for fixing circuit board position, and separate the piece and play the supporting role to the terminal, and the wiring on the circuit board of being convenient for is arranged, and separate strip and separate the piece and have played the isolation effect jointly, separate each circuit on the circuit board, improved the circuit on the circuit board and contacted each other and lead to the problem that the leakproofness reduces, the contact mode of circuit board and coil body changes the contact into the face contact from the point contact simultaneously, has improved because the too little problem of material shortage, overlap of difficult emergence of moulding plastics of supporting point.
Optionally, the separation blocks have two groups, and two groups of separation blocks distribute along the axial direction of the coil body, and two groups of separation blocks are arranged in a staggered way.
By adopting the technical scheme, the two groups of partition blocks are arranged in a staggered way, so that the circuit is conveniently partitioned.
Optionally, two adjacent separation strips are obliquely arranged, and two ends of each separation strip are respectively fixed on two groups of side walls of the separation block.
Through adopting above-mentioned technical scheme, the separate strip is the slope setting, is convenient for connect two sets of separate pieces, and the separate strip of slope setting is convenient for strengthen the stability of circuit board simultaneously.
Optionally, the separation bar is flush with the separation block.
Through adopting above-mentioned technical scheme, separate the strip and flush with separate the piece, further increased the area of contact with between the circuit board, be convenient for separate the circuit simultaneously.
Optionally, the end that the cap just faces the junction block is fixed with the closing plate, the sealing groove has been seted up to the end of junction block to the closing plate, the sealing groove inside wall is fixed with two sealing bars.
Through adopting above-mentioned technical scheme, cap and junction block are connected, and two seal bars are fixed to seal groove inside wall simultaneously, and seal bar obstructs the glue and in cap the flow soon, and the curing process's of embedment back of being convenient for goes on, increases seal bar's quantity, further obstructs the glue and in cap the flow soon.
Optionally, the terminal block tip has seted up the mounting groove, sealing rib tip laminating in the mounting groove inside wall.
Through adopting above-mentioned technical scheme, seal bar tip laminating in the junction block terminal surface, reduced the distance between seal bar and the junction block tip to further hinder glue in the flowing of cap, be convenient for the embedment after the solidification process go on.
Optionally, the sealing plate side wall is flush with the junction block side wall.
Through adopting above-mentioned technical scheme, closing plate lateral wall flushes in the junction block lateral wall, makes its junction be smooth transition, has reduced because receive external resistance and lead to the possibility that the cap breaks away from the junction block, has promoted the life of coil body.
Optionally, a positioning block is fixed at the end part of the cap, which is opposite to the junction block, and a positioning groove for penetrating the positioning block is formed at the end part of the junction block.
By adopting the technical scheme, the positioning block is arranged in the positioning groove in a penetrating way, so that the cap-overflowing position is fixed, and the possibility of cheapness in the cap-overflowing position in the filling and sealing process is reduced.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the separation strip and the separation block jointly play a role in separation, so that each line on the circuit board is separated, and the problem of reduced tightness is solved;
2. the sealing ribs block the flow of the glue in the cap, so that the curing process after filling and sealing is facilitated, the number of the sealing ribs is increased, and the flow of the glue in the cap is further blocked.
Drawings
FIG. 1 is a schematic diagram of the main structure of an embodiment of the present utility model.
FIG. 2 is a schematic diagram of a fixation mode of the separation block and the separation strip.
Fig. 3 is a schematic view of the cap structure.
Reference numerals illustrate:
1. a coil body; 2. a junction block; 3. a cap; 4. a separation block; 5. a separator bar; 6. binding posts; 7. a sealing plate; 8. sealing grooves; 9. sealing ribs; 10. a positioning block; 11. a positioning groove; 12. a mounting groove; 13. and (5) positioning strips.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-3.
The embodiment of the utility model discloses an electronic expansion valve coil capable of reducing glue leakage. Referring to fig. 1, an electronic expansion valve coil for reducing glue leakage comprises a coil body 1, wherein the coil body 1 is used for penetrating through the electronic expansion valve, a wiring block 2 is integrally formed on the side wall of the coil body 1, a cap 3 is detachably connected to the end part of the wiring block 2, deviating from the coil body 1, and the cap 3 is used for sealing the wiring block 2, so that the possibility that a circuit board is polluted or damaged is reduced.
Referring to fig. 1 and 2, the end of the junction block 2, which is far away from the coil body 1, is integrally formed with a plurality of separation blocks 4, the separation blocks 4 are divided into two groups, the two groups of separation blocks 4 are distributed along the axial direction of the coil body 1, the two groups of separation blocks 4 are arranged in a staggered manner, and the separation block 4 in one group is positioned between the two adjacent separation blocks 4 in the other group; the number of the separating blocks 4 in each group of separating blocks 4 is determined according to the required wiring number and the size of the circuit board, but each group comprises at least two separating blocks 4.
Referring to fig. 1 and 2, the terminal surface integrated into one piece that separate piece 4 deviates from coil body 1 has terminal 6, terminal 6 is used for locating the circuit board, make the wire arrange the separate piece 4 between simultaneously, integrated into one piece has separate strip 5 between two separate pieces 4, separate strip 5 is the slope setting, separate strip 5 both ends are fixed in separate piece 4 lateral walls in the different group respectively, and separate strip 5 deviate from in coil body 1 the terminal surface flushes in separate piece 4 deviate from in coil body 1 the terminal surface, be convenient for separate the wire, reduced the wire and contacted each other and lead to the possibility that the short circuit condition took place.
Referring to fig. 2 and 3, a sealing plate 7 is integrally formed at the end part of the cap 3, which is opposite to the junction block 2, the sealing plate 7 is arranged at the outer edge of the cap 3, a sealing groove 8 is formed at the end part of the sealing plate 7, which is opposite to the junction block 2, sealing ribs 9 are integrally formed at the inner side wall of the sealing groove 8, two sealing ribs 9 are arranged, and the two sealing ribs 9 are parallel to each other; the cap 3 is used for fixing the circuit board on the wiring post 6, the mounting groove 12 is seted up to the wiring block 2 terminal surface, and the mounting groove 12 is used for wearing to establish sealing rib 9, and at this moment mounting groove 12 inside wall laminating mutually with closing plate 7 terminal surface, sealing rib 9 tip laminating with mounting groove 12 inside wall, through increasing sealing rib 9's quantity, obstructs the flow of glue in the embedment process to the problem of infiltration glue appears in the solidification process after the embedment has been improved.
Referring to fig. 2 and 3, a positioning block 10 is integrally formed at the end part of the cap 3, which is opposite to the wiring block 2, a positioning groove 11 is formed at the end part of the wiring block 2, the positioning groove 11 is used for penetrating the positioning block 10, the positioning block 10 is penetrated in the positioning groove 11 so as to fix the position of the cap 3, a positioning guide surface is formed at the end part of the positioning block 10, the positioning guide surface is convenient for the positioning block 10 to penetrate in the positioning groove 11, and the problem that the positioning block 10 is difficult to penetrate into the positioning groove 11 is solved; meanwhile, the side wall of the sealing plate 7 is flush with the side wall of the wiring block 2, so that the attractive appearance of fixing the cap 3 and the wiring block 2 is enhanced, and meanwhile, the side wall connected with the cap 3 and the wiring block 2 is smooth, the possibility that the cap 3 is separated from the wiring block 2 due to resistance is reduced, and the service life of the cap 3 is prolonged.
Referring to fig. 3, the top integrated into one piece has a plurality of locating strips 13, is parallel to each other between a plurality of locating strips 13, and is crisscross setting between a plurality of locating strips 13, and locating strip 13 is used for locating the circuit board position, and simultaneously after the embedment solidification, locating strip 13 inlays and establishes inside the glue piece, has strengthened the steady degree after the embedment solidification of glue, has promoted the life of coil body 1.
The implementation principle of the electronic expansion valve coil for reducing glue leakage in the embodiment of the utility model is as follows: the circuit board is fixed with the binding post 6, the circuit is separated under the action of the separation block 4 and the separation strip 5, and meanwhile, the contact surface of the coil body 1 and the circuit board becomes a plane, so that the problems of difficult injection molding, easy material shortage and flash caused by too small contact point between the coil body 1 and the circuit board are solved; meanwhile, the number of the sealing ribs 9 on the cap 3 is increased, so that the problem of glue penetration in the curing process after filling and sealing is solved.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. An electronic expansion valve coil for reducing glue leakage comprises a coil body (1),
The wiring block (2), the wiring block (2) is arranged on the side wall of the coil body (1),
A cap (3), wherein the cap (3) is detachably connected with the wiring block (2),
the method is characterized in that:
a plurality of separation blocks (4) are fixed on the end face of the junction block (2),
a separation strip (5) is fixed between the two separation blocks (4),
the end part of the separation block (4) is fixed with a binding post (6).
2. The electronic expansion valve coil for reducing glue leakage of claim 1, wherein: the two groups of separation blocks (4) are distributed along the axial direction of the coil body (1), and the two groups of separation blocks (4) are arranged in a staggered mode.
3. An electronic expansion valve coil for reducing glue leakage according to claim 2, wherein: the two adjacent separation strips (5) are obliquely arranged, and two ends of each separation strip (5) are respectively fixed on the side walls of the two groups of separation blocks (4).
4. The electronic expansion valve coil for reducing glue leakage of claim 1, wherein: the separation strip (5) is flush with the separation block (4).
5. The electronic expansion valve coil for reducing glue leakage of claim 1, wherein: the end part of the cap (3) opposite to the junction block (2) is fixedly provided with a sealing plate (7), the end part of the sealing plate (7) opposite to the junction block (2) is provided with a sealing groove (8), and the inner side wall of the sealing groove (8) is fixedly provided with two sealing ribs (9).
6. The electronic expansion valve coil for reducing glue leakage of claim 5, wherein: the end part of the wiring block (2) is provided with a mounting groove (12), and the end part of the sealing rib (9) is attached to the inner side wall of the mounting groove (12).
7. The electronic expansion valve coil for reducing glue leakage of claim 5, wherein: the side wall of the sealing plate (7) is flush with the side wall of the junction block (2).
8. The electronic expansion valve coil for reducing glue leakage of claim 1, wherein: the end part of the cap (3) opposite to the wiring block (2) is fixed with a positioning block (10), and the end part of the wiring block (2) is provided with a positioning groove (11) for penetrating the positioning block (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321189790.3U CN219888849U (en) | 2023-05-15 | 2023-05-15 | Electronic expansion valve coil capable of reducing glue leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321189790.3U CN219888849U (en) | 2023-05-15 | 2023-05-15 | Electronic expansion valve coil capable of reducing glue leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219888849U true CN219888849U (en) | 2023-10-24 |
Family
ID=88402880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321189790.3U Active CN219888849U (en) | 2023-05-15 | 2023-05-15 | Electronic expansion valve coil capable of reducing glue leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219888849U (en) |
-
2023
- 2023-05-15 CN CN202321189790.3U patent/CN219888849U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |