CN109780301B - Coil and expansion valve for valve - Google Patents
Coil and expansion valve for valve Download PDFInfo
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- CN109780301B CN109780301B CN201711129295.2A CN201711129295A CN109780301B CN 109780301 B CN109780301 B CN 109780301B CN 201711129295 A CN201711129295 A CN 201711129295A CN 109780301 B CN109780301 B CN 109780301B
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- valve body
- insulator
- stator shell
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Abstract
The invention discloses a valve coil and an expansion valve, and relates to the technical field of electronic expansion valves. The coil comprises a coil body, a terminal connected with the coil body, a stator shell arranged on the coil body, an insulator wrapped on the stator shell, and a buckle piece arranged on the insulator, wherein the buckle piece is positioned on the end face of the insulator, the buckle piece is provided with a connecting part used for coil discharging and a fixing part connected with a valve body, the connecting part is connected with the stator shell and is conductive, the fixing part is staggered with the terminal, and the connecting part and the fixing part extend along opposite directions. The buckle and the valve body fixing position are arranged outside the lead position, so that the influence of the buckle and the valve body fixing position on the terminal can be avoided, the coil and the valve body can be stably connected and can normally work, the faults of the valve body and the coil caused by improper connection are reduced, and the buckle and the valve body fixing position are arranged outside the lead position, so that the structure is simple, the installation is convenient, and the production and installation cost is reduced.
Description
Technical Field
The invention relates to the technical field of electronic expansion valves, in particular to a valve coil and an expansion valve.
Background
The electronic expansion valve mainly comprises a coil and a valve body, and the coil and the valve body are connected together through a positioning buckle piece. The outer surface of the traditional electronic expansion valve coil is exposed outside the magnetic metal shell, so that the problems of poor performance and the like caused by corrosion or water wetting due to air moisture and the like often occur. Therefore, the existing electronic expansion valve coil adopts a resin hot plastic package mode, and a layer of plastic shell is coated outside the coil body and the magnetic conductive metal shell so as to achieve the purposes of water resistance and rust resistance. Because the outer surface of the thermal sealing coil of the electronic expansion valve is covered with resin, the positioning buckle piece cannot be welded on the magnetic conductive metal shell of the coil body in the original mode. The fixing position of the existing fastener and the valve body and the position of a coil lead are in one direction, and the lead influences the screwing of a screw.
Disclosure of Invention
Aiming at the defects of the prior art, the invention discloses a valve coil and an expansion valve, which can solve the problem that the lead wire influences the screwing of a screw because the fixing positions of a buckle piece and a valve body and the lead wire position of the coil are in the same direction.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a valve coil comprises a coil body, a terminal connected with the coil body, a stator shell arranged on the coil body, an insulator wrapped on the stator shell, and a buckling piece arranged on the insulator, wherein the buckling piece is positioned on the end face of the insulator, the buckling piece is provided with a connecting part used for coil discharge and a fixing part connected with a valve body, the connecting part is connected with the stator shell and is conductive, the fixing part is staggered with the terminal, and the connecting part and the fixing part extend in opposite directions.
Furthermore, the end face of the insulator is provided with a riveting column for positioning the clamping piece, the clamping piece is provided with a connecting hole matched with the riveting column, and the riveting column is connected with the connecting hole. The riveting column fixes the buckling piece through hot riveting, the structure is simple, the installation is convenient, the riveting column and the insulator are integrally formed, and the production and the manufacture are convenient.
Furthermore, the connecting part is located on the peripheral side wall of the clamping part, and the connecting part extends from the clamping part to the stator shell and is connected with the stator shell. The connecting position of the clamping part and the connecting part and the lead can be staggered, the mutual influence between the clamping part and the lead is reduced, and the service life of the coil is prolonged.
Further, the connecting portion is located between the coil body and the terminal and connected to a side wall of the stator case. Can guarantee that stator housing can ground connection and discharge, be convenient for install when the junction for with stator housing's side, can reduce installation cost.
Furthermore, a potting groove for fixing the connecting part is arranged between the connecting part and the terminal, and potting glue for separating the connecting part and the terminal is filled in the potting groove. On the one hand with connecting portion and lead wire insulation separation, avoid circular telegram between connecting portion and the lead wire, on the other hand is used for supporting and fixing connecting portion, does not have under the firm condition of welding in time between connecting portion and stator case, also can compress tightly connecting portion on stator case, has guaranteed the stability of coil work.
Furthermore, the connecting part is positioned on the end face of the clamping and buckling part, and the connecting part protrudes towards the stator shell from the clamping and buckling part and is connected with the end face of the stator shell. The buckle piece is directly welded on the end face of the coil, and the connection is firm and convenient to operate.
Furthermore, the connecting parts are distributed on the buckling part at intervals along the circumferential direction of the buckling part. Can be connected with the stator shells at different positions, and ensure that the coils are fully grounded and discharge uniformly.
Further, the cross section of the connecting part is arc-shaped. Is convenient for production and processing.
In addition, the invention discloses an expansion valve, which comprises a coil and a valve body, wherein the coil is the valve coil in any technical scheme, and the coil is connected with the valve body through a fixing part.
Furthermore, the fixed part is provided with a screw, and the fixed part is connected with the valve body through the screw.
The invention discloses a valve coil and an expansion valve, wherein a buckle piece and a valve body fixing position are arranged outside a lead position, so that the influence of the buckle piece and the valve body fixing position on the lead can be avoided, the coil and the valve body can be stably connected and can normally work, the faults caused by improper connection of the valve body and the coil are reduced, and the buckle piece and the valve body fixing position are arranged outside the lead position, so that the valve coil and the expansion valve are simple in structure and convenient to install, and the production and installation cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an assembly view of an embodiment of the present invention;
fig. 2 is a first installation state diagram of embodiment 1 of the present invention;
FIG. 3 is a second installation state diagram of embodiment 1 of the present invention;
FIG. 4 is a third installation state diagram of embodiment 1 of the present invention;
FIG. 5 is a sectional view of embodiment 1 of the present invention;
FIG. 6 is a cross-sectional view from another perspective of embodiment 1 of the present invention;
FIG. 7 is a sectional view of embodiment 2 of the present invention;
fig. 8 is a perspective view of a clip member in embodiment 2 of the present invention;
fig. 9 is a perspective view of the clip according to embodiment 3 of the present invention.
In the figure, the coil comprises a coil body 1, a rivet column 101, a rivet column 102, an insulator 103, a coil body 104, a stator shell 105, a lead wire 106, a potting groove 2, a fastener 201, a connecting hole 202, a connecting part 203, a fixing part 3 and a valve body.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1 to 6, a valve coil according to an embodiment of the present invention includes a coil body 103, a lead wire 105 connected to the coil body 103, a stator case 104 provided in the coil body 103, an insulator 102 wrapped around the stator case 104, and a grommet 2 provided on the insulator 102, the grommet 2 is located on an end surface of the insulator 102, the grommet 2 is provided with a connecting portion 202 for discharging electricity from the coil 1 and a fixing portion 203 for connecting the valve element 3, the connecting portion 202 is connected to the stator case 104 and is electrically conductive, the fixing portion 203 is offset from the lead wire 105 in a circumferential direction of the coil body 103, and the connecting portion 202 and the fixing portion 203 extend in opposite directions.
As shown in fig. 2 to 4, a rivet column 101 for positioning the fastener 2 is disposed on an end surface of the insulator 102, the rivet column 101 may be a plastic column integrally formed with the insulator 102, the end surface of the fastener 2 is annular, a connection hole 201 matched with the rivet column 101 is formed on the end surface of the fastener 2 by cutting, and the rivet column 101 passes through the connection hole 201 and is connected with the fastener 2. The riveting column 101 fixes the fastener 2 through hot riveting, the structure is simple, the installation is convenient, the riveting column 101 and the insulator 102 are integrally formed, the production and the manufacturing are convenient, the production cost and the installation cost are reduced, and the installation efficiency is improved.
As shown in fig. 5 to 6, in an embodiment, the connection portion 202 is located on a peripheral side wall of the fastener 2, the connection portion 202 is welded or integrally formed with the fastener 2, the connection portion 202 extends from the fastener 2 to the stator housing 104 and contacts with the stator housing 104, and the connection portion may be located on an end surface or a side surface of the stator housing 104 to achieve contact and electrical conduction between the connection portion 202 and the stator housing 104, ensure that the stator housing 104 can be grounded and discharged, facilitate installation when the connection portion is the side surface of the stator housing 104, and reduce installation cost. The buckling piece 2 is connected with the coil 1 through the end face and then connected with the stator shell 104 through the connecting portion 202, so that the connecting position of the buckling piece 2 and the connecting portion 202 and the lead 105 can be staggered, mutual influence between the buckling piece 2 and the lead 105 is reduced, and the service life of the coil 1 is prolonged. Note that the connecting portion 202 may be in contact with the stator housing 104, and preferably welded thereto.
As shown in fig. 5, a potting groove 106 for fixing the connection portion 202 is provided between the connection portion 202 and the lead 105, the potting groove 106 is an existing structure of the coil 1, the connection portion 202 extends into the potting groove 106 to be connected with the stator housing 104, damage to the existing structure of the coil 1 can be reduced, and the connection portion 202 and the stator housing 104 are welded together, the potting groove 106 is filled with a potting adhesive for separating the connection portion 202 and the lead 105, so that the connection portion 202 and the lead 105 are insulated and separated, and power conduction between the connection portion 202 and the lead 105 is avoided, on the other hand, the connection portion 202 is used for supporting and fixing the connection portion 202, and in time, under the condition that no welding between the connection portion 202 and the stator housing 104 is firm, the connection portion 202 can be pressed on the stator housing 104, and the stability of the operation of the coil 1 is ensured.
Example 2
As shown in fig. 7 and 8, the present embodiment is different from embodiment 1 in that the connecting portion 202 is located on the end surface of the fastening element 2, the connecting portion 202 is welded or integrally formed with the fastening element 2, the connecting portion 202 may be a protrusion, and the cross section of the connecting portion 202 is an arc shape, which is convenient for production and processing. And the connecting part 202 protrudes from the fastener 2 to the stator housing 104 and is welded with the end surface of the stator housing 104, so that the fastener 2 is directly welded on the end surface of the coil 1, and the connection is firm and convenient to operate. The connecting parts 202 are distributed on the fastener 2 at intervals along the circumferential direction of the fastener 2, and can be connected with the stator housing 104 at different positions, so that the coil 1 is fully grounded and uniformly discharged.
Other undescribed structures refer to example 1.
Example 3
As shown in fig. 9, in this embodiment, in addition to embodiment 2, a connection hole 201 matched with the rivet pin 101 is formed on an end surface of the fastening element 2, and the fastening element 2 is fixed by welding or heat riveting, so as to ensure the firm connection between the fastening element 2 and the coil 1.
Other undescribed structures refer to example 2.
Example 4
In addition, the invention also discloses an expansion valve, which comprises a coil 1 and a valve body 3, wherein the coil 1 is the valve coil described in any embodiment, and the coil 1 is connected with the valve body 3 through a fixing part 203. Specifically, the fixing portion 203 is screwed to the valve body 3 by a screw.
In summary, the invention discloses a valve coil and an expansion valve, wherein the fixing positions of the buckle piece and the valve body are arranged outside the lead position, so that the influence of the fixing positions of the buckle piece and the valve body on the lead can be avoided, the coil and the valve body can be stably connected and can normally work, the faults caused by improper connection of the valve body and the coil are reduced, and the buckle piece and the valve body fixing position are arranged outside the lead position, so that the structure is simple, the installation is convenient, and the production and installation cost is reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a coil for valve, includes the coil body, with the terminal of coil body coupling, locate the stator shell of coil body, parcel insulator, the buckle spare of locating on the insulator on the stator shell, its characterized in that: the clamping piece is located on the end face of the insulator and comprises a main body portion arranged on the end face of the insulator, the main body portion is provided with an assembly hole for the valve body to penetrate through, the clamping piece is provided with a connecting portion used for coil discharging and a fixing portion connected with the valve body, the connecting portion is connected with the stator shell and is conductive, the fixing portion is sheet-shaped, the fixing portion and the terminal are staggered along the circumferential direction of the assembly hole, and the connecting portion and the fixing portion extend in opposite directions.
2. A coil for use in a valve as claimed in claim 1, wherein: the end face of the insulator is provided with a riveting column for positioning the buckling piece, the buckling piece is provided with a connecting hole matched with the riveting column, and the riveting column is connected with the connecting hole.
3. A coil for use in a valve as claimed in claim 1, wherein: the connecting part is positioned on the peripheral side wall of the clamping and buckling part, extends from the clamping and buckling part to the stator shell and is connected with the stator shell.
4. A coil for use in a valve as claimed in claim 3, wherein: the connecting portion is located between the coil body and the terminal and connected with a side wall of the stator case.
5. The valve coil as defined in claim 4, wherein: and a potting groove for fixing the connecting part is arranged between the connecting part and the terminal, and a potting adhesive for separating the connecting part and the terminal is filled in the potting groove.
6. A coil for use in a valve as claimed in claim 1, wherein: the connecting part is positioned on the end face of the clamping and buckling part, and the connecting part protrudes towards the stator shell from the clamping and buckling part and is connected with the end face of the stator shell.
7. A coil for use in a valve as claimed in claim 6, wherein: the connecting parts are distributed on the buckling part at intervals along the circumferential direction of the buckling part.
8. A coil for use in a valve as claimed in claim 6, wherein: the cross-section of the connecting part is arc-shaped.
9. An expansion valve, includes coil and valve body, its characterized in that: the coil for a valve according to any one of claims 1 to 8, wherein the coil is connected to the valve body through a fixing portion.
10. An expansion valve according to claim 9, wherein: the fixing part is provided with a screw and is connected with the valve body through the screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711129295.2A CN109780301B (en) | 2017-11-15 | 2017-11-15 | Coil and expansion valve for valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711129295.2A CN109780301B (en) | 2017-11-15 | 2017-11-15 | Coil and expansion valve for valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109780301A CN109780301A (en) | 2019-05-21 |
| CN109780301B true CN109780301B (en) | 2022-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711129295.2A Active CN109780301B (en) | 2017-11-15 | 2017-11-15 | Coil and expansion valve for valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN109780301B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213954489U (en) | 2020-12-14 | 2021-08-13 | 广东威灵电机制造有限公司 | Stator module, electronic expansion valve and refrigeration equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2832872A1 (en) * | 1978-07-27 | 1980-02-14 | Staiger Steuerungstech | Coil assembly for solenoid valve - has sealing plate forming contact for supply earth wire |
| CN103016821A (en) * | 2011-09-26 | 2013-04-03 | 浙江三花股份有限公司 | Electronic expansion valve |
| CN203670814U (en) * | 2013-10-16 | 2014-06-25 | 浙江新三荣制冷有限公司 | Electronic expansion valve |
| CN203744620U (en) * | 2014-01-15 | 2014-07-30 | 碧茂科技（苏州）有限公司 | Fixing structure between expansion valve body and coil shell |
| CN204201230U (en) * | 2014-09-15 | 2015-03-11 | 浙江三花股份有限公司 | A kind of chiller plant and electric expansion valve thereof |
| CN104565475A (en) * | 2013-10-15 | 2015-04-29 | 浙江盾安人工环境股份有限公司 | Electronic expansion valve |
| CN204300408U (en) * | 2013-11-19 | 2015-04-29 | 浙江盾安禾田金属有限公司 | Electric expansion valve |
| CN104930242A (en) * | 2014-03-20 | 2015-09-23 | 浙江三花股份有限公司 | Electronic expansion valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953496B (en) * | 2016-01-06 | 2020-08-14 | 浙江三花汽车零部件有限公司 | Stepping motor coil device and electronic valve |
-
2017
- 2017-11-15 CN CN201711129295.2A patent/CN109780301B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2832872A1 (en) * | 1978-07-27 | 1980-02-14 | Staiger Steuerungstech | Coil assembly for solenoid valve - has sealing plate forming contact for supply earth wire |
| CN103016821A (en) * | 2011-09-26 | 2013-04-03 | 浙江三花股份有限公司 | Electronic expansion valve |
| CN104565475A (en) * | 2013-10-15 | 2015-04-29 | 浙江盾安人工环境股份有限公司 | Electronic expansion valve |
| CN203670814U (en) * | 2013-10-16 | 2014-06-25 | 浙江新三荣制冷有限公司 | Electronic expansion valve |
| CN204300408U (en) * | 2013-11-19 | 2015-04-29 | 浙江盾安禾田金属有限公司 | Electric expansion valve |
| CN203744620U (en) * | 2014-01-15 | 2014-07-30 | 碧茂科技（苏州）有限公司 | Fixing structure between expansion valve body and coil shell |
| CN104930242A (en) * | 2014-03-20 | 2015-09-23 | 浙江三花股份有限公司 | Electronic expansion valve |
| CN204201230U (en) * | 2014-09-15 | 2015-03-11 | 浙江三花股份有限公司 | A kind of chiller plant and electric expansion valve thereof |
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| Publication number | Publication date |
|---|---|
| CN109780301A (en) | 2019-05-21 |
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