CN201757210U - Coil and orientation card connecting structure and electronic expansion valve with the connecting structure - Google Patents
Coil and orientation card connecting structure and electronic expansion valve with the connecting structure Download PDFInfo
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- CN201757210U CN201757210U CN201020244777XU CN201020244777U CN201757210U CN 201757210 U CN201757210 U CN 201757210U CN 201020244777X U CN201020244777X U CN 201020244777XU CN 201020244777 U CN201020244777 U CN 201020244777U CN 201757210 U CN201757210 U CN 201757210U
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- coil
- circular groove
- linkage structure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model provides a coil and orientation card connecting structure and an electronic expansion valve with the connecting structure. The coil and orientation card connecting structure comprises an orientation card and a coil, wherein the orientation card comprises a circular main card body, a connecting hole and upper and lower surfaces running through the circular main card body. The coil comprises a supporting part for supporting the circular main card body. The connecting structure further comprises riveting protruding parts which have a structure suitable for connecting with the coil and another structure suitable for riveting the connecting hole. The electronic expansion valve comprises the said connecting structure. The connecting structure in the utility model well solves the technical problems of the prior art which has an insecure connection of the orientation card and the coil, a difficult assembly, a low production efficiency, a single positioning direction and thus inconvenience to clients etc. Furthermore, the connecting structure has the advantages of convenient processing, low cost and good product uniformity.
Description
Technical field
The utility model relates to refrigerating field, more specifically, and the electric expansion valve that relates to the linkage structure of coil and location card and have this structure.
Background technique
Electric expansion valve mainly comprises coil and valve body, by location card coil and valve body is linked together.Traditional coil of electronic expansion valve outer surface magnetic conductive metal shell exposes, so regular meeting causes corrosion because of reasons such as there was dampness in the air, or gets wet and causes problems such as performance is bad.Thereby present coil of electronic expansion valve, adopted the mode of resin heat (outward) plastic packaging, coat one deck plastic casing in the coil body and the magnetic conductive metal shell outside, to reach waterproof, antirust purpose.Because heat (outward) the plastic packaging coil of electric expansion valve is because of the appearance covering resin, thereby location card can't adopt original mode to be welded on the magnetic conductive metal shell of coil body.
In addition, existing thermoplastic envelope coil also adopts at the default boss 33 in coil 3 surfaces, and boss 33 is provided with riveted holes 31, then adopts the tapping screw riveted way to fix location card 1 (as shown in Figure 2).This location card 1 is by the attachment hole 13 and coil 3 riveted joints of screw 5 and riveted holes 31, coil 3, by lug 11 and on positioning hole locate with the valve body (not shown).This mode exists installation efficiency low, connects unstable problem, and still can occur because the vibration of electric expansion valve, the problem that lost efficacy that is connected between location card and the coil can occur.In addition, there is the single defective of screens in the location card of this mode, can only fix a direction when being connected with valve body, can cause the client to use inconvenience.
In use all occur becoming flexible between location card and the coil between the location card of above-mentioned existing electric expansion valve and the coil easily, influence connection stability between the two, influence the use of electric expansion valve.
The model utility content
The utility model aims to provide a kind of linkage structure of coil and location card of electric expansion valve, is connected problems such as instability with between the location card that solves existing electric expansion valve and the coil.
According to an aspect of the present utility model, a kind of linkage structure of coil and location card of electric expansion valve is provided, comprising: location card and coil, location card comprises: annular main card body; Attachment hole runs through the upper and lower surface of annular main card body; Coil has the supporting portion of supporting annular main card body; Linkage structure also comprises: the riveted joint protuberance, the riveted joint protuberance has the suitable structure that is connected with coil, and the riveted joint protuberance has suitable structure of riveting mutually with attachment hole.
Further, the riveted joint protuberance is fixed on the supporting portion.
Further, riveted joint protuberance and coil are integral structure.
Further, the supporting portion has matching hole, and the riveted joint protuberance has the suitable structure that matches with matching hole.
Further, the supporting portion is a circular groove, and circular groove has the structure to the location, outer ring of annular main card body.
Further, the supporting portion is a platform, and platform is provided with the boss to the inner ring location of annular main card body.
Further, the supporting portion is a circular groove, is provided with the boss to the inner ring location of annular main card body in the circular groove.
Further, also be provided with the anti-rotation member that prevents that annular main card body from rotating in the circular groove.
Further, anti-rotation member is the Ka Tai that is arranged on the sidewall of circular groove.
Further, Ka Tai is rectangle or zigzag fashion, is arranged on the outer side wall of circular groove.
Further, anti-rotation member is the anti-rotation sidewall of circular groove, and the circumferential section of anti-rotation sidewall and circular groove intersects several angle.
Further, the anti-rotation sidewall comprises the anti-rotation outer side wall of circular groove, and the anti-rotation outer side wall is straight sidewall or crooked sidewall.
Further, the anti-rotation sidewall also comprises the anti-rotation madial wall of circular groove, and the anti-rotation madial wall is straight sidewall or crooked sidewall.
According to another aspect of the present utility model, a kind of electric expansion valve also is provided, it comprises foregoing linkage structure.
Because the riveted joint protuberance is riveted on the annular main card body of location card on the coil, so bigger area of contact is not only arranged between location card and the coil, increased connection stability between location card and the coil, and riveted joint connects more firm than existing groove-fastening type, so linkage structure of the present utility model has increased connection stability and soundness between location card and the coil.In addition, linkage structure of the present utility model adopts riveted way than screw riveted way efficient height, and then has reached simple in structure, the effect that installation efficiency is high.
Description of drawings
Constitute this specification a part, be used for further understanding accompanying drawing of the present utility model and show preferred embodiment of the present utility model, and be used for illustrating principle of the present utility model with specification.Among the figure:
Fig. 1 shows the linkage structure of existing groove-fastening type location card and coil;
Fig. 2 shows the existing screw riveted way and fixes location card and coil connection structure connecting;
Fig. 3 shows a kind of stereochemical structure according to the utility model embodiment's location card;
Fig. 4 shows a kind of stereochemical structure according to the utility model embodiment's coil;
Fig. 5 shows according to the utility model first embodiment's the location card and the installation process of coil;
Fig. 6 shows according to the utility model second embodiment's the location card and the decomposition texture of coil;
Fig. 7 shows according to the utility model the 3rd embodiment's the location card and the installation process of coil;
Fig. 8 shows according to the utility model the 4th embodiment's the location card and the decomposition texture of coil;
Fig. 9 shows according to the utility model the 5th embodiment's the location card and the mounting structure of coil;
Figure 10 shows according to the utility model the 6th embodiment's the location card and the mounting structure of coil;
Figure 11 shows the structure according to the utility model embodiment's anti-rotation member, and wherein, anti-rotation member is the rectangular card platform;
Figure 12 shows the structure according to the utility model embodiment's anti-rotation member, and wherein, anti-rotation member is a straight sidewall;
Figure 13 shows the structure according to the utility model embodiment's anti-rotation member, and wherein, anti-rotation member is a zigzag structure;
Figure 14 shows the structure according to the utility model embodiment's anti-rotation member, and wherein, anti-rotation member is a crooked sidewall; And
Figure 15 shows the structure according to the utility model embodiment's electric expansion valve.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Fig. 3 to Fig. 5 shows according to the utility model first embodiment's the location card and the linkage structure of coil, it comprises: location card 1 and coil 3, as shown in Figure 3, location card 1 comprises: annular main card body 12, it is tabular or sheet substantially, the edge of annular main card body 1 is provided with the lug 11 of side extending, is used for being connected with the valve body (not shown); Attachment hole 14 runs through the upper and lower surface of annular main card body 12, and its number can be for one or more; As shown in Figure 4, coil 3 has the supporting portion 32 of supporting annular main card body 12, and supporting portion 32 can also can be groove for platform.
Linkage structure also comprises: riveted joint protuberance 34, as shown in Figure 6, it can be the boss of cylindricality, for example be cylindrical boss 34a, square column type boss 34b, rectangular cylindrical end tangs, rhombus boss 34c, hexagonal boss 34d, elliptical cylinder-shape boss 34e, shapes such as taper type boss 34f, riveted joint protuberance 34 has the suitable structure that is connected with coil 3, for example, riveted joint protuberance 34 is fixed on (as shown in Figure 4) on the coil 3, or riveted joint protuberance 34 be separate part, is arranged on coil 3 outer (as shown in Figure 7), and coil 3 has and rivets the matching hole that protuberance 34 is connected.Riveted joint protuberance 34 adopts thermoplastic material to make usually, and it has suitable structure of riveting mutually with attachment hole 14.As shown in Figure 5, riveted joint protuberance 34 is at first wanted can be installed in the attachment hole 14, by the hot melt riveted way attachment hole 14 rivetings is become to cover the joint 341 of attachment hole 14 then, thereby annular main card body 12 is riveted on the coil 3.
Because riveted joint protuberance 34 is riveted on annular main card 12 bodies of location card on the coil 3, so be connected with bigger area of contact than existing groove-fastening type between location card and the coil, increased connection stability between location card and the coil, and riveted way connects more firm than existing groove-fastening type, so linkage structure of the present utility model has increased connection stability and soundness between location card and the coil.In addition, linkage structure of the present utility model adopts riveted way to need not tapping screw, thereby than screw riveted way efficient height, and then reached simple in structure, the effect that installation efficiency is high.
Further, as Fig. 4, shown in Figure 6, riveted joint protuberance 34 is fixed on the supporting portion 32, like this, is convenient to make and realize riveted joint.Further, riveted joint protuberance 34 is an integral structure with coil 3, and like this, make efficiency is higher, and coil is more firm.
Certainly, as shown in Figure 7, riveted joint protuberance 34 also can be separate part, is arranged on outside the coil 3.Supporting portion 32 has matching hole 39, it typically is blind hole.Riveted joint protuberance 34 has the suitable structure that matches with matching hole 39.In this case, riveted joint protuberance 34 passes attachment hole 14, is connected by hot melting mode with matching hole 39, thereby is connected as a single entity with supporting portion 32, and attachment hole 14 rivetings are become to cover the joint 341 of attachment hole 14, make annular main card body 12 be riveted on the coil 3.
The shape of matching hole 39 and attachment hole 14 can be the various passes that match with the boss of as shown in Figure 6 cylindricality, for example with cylindrical boss 34a, square column type boss 34b, rectangular cylindrical end tangs, rhombus boss 34c, hexagonal boss 34d, elliptical cylinder-shape boss 34e, the various passes that shapes such as taper type boss 34f match are so that cooperate riveted joint with riveted joint protuberance 34.This riveted joint mode is more flexible, can carry out on-the-spot targetedly the installation.
Further, as shown in Figure 4, supporting portion 32 is a circular groove, and circular groove has the structure to the location, outer ring of annular main card body 12.The base plane of circular groove supports annular main card body 12, and the outer side wall of circular groove positions the outer ring of annular main card body 12.Like this, increased the stability of the position relation of location card and coil.
Further, as Fig. 6 and shown in Figure 10, supporting portion 32 is a platform, so easy making.As shown in figure 10, platform is provided with the boss 38 to the inner ring location of annular main card body 12.Boss 38 is around the interior ring setting of coil 3, and it is shaped as ring, and the effect to the inner ring location of annular main card body 12 is played in the outer ring of boss 38.Like this, also increased the stability of the position relation of location card and coil.
Further, supporting portion 32 is a circular groove, as Fig. 7, Fig. 8, shown in Figure 9, is provided with the boss 38 to the inner ring location of annular main card body 12 in the circular groove.Like this, the outer ring of the boss 38 of circular groove is to the inner ring location of annular main card body 12, the outer side wall of circular groove positions the outer ring of annular main card body 12, realized the outer ring and the inner ring of annular main card body 12 are all positioned, thereby more increased the stability of the position relation of location card and coil.
Further, extremely shown in Figure 14 as Fig. 9 and Figure 11, also be provided with the anti-rotation member 36 that prevents that annular main card body 12 from rotating in the circular groove, the structure of annular main card body 12 is also made corresponding change, so that the two cooperatively interacts, play radial location, prevent to act in relative rotation.This structure also can effectivelyly play a protective role to boss 38, prevents that boss 38 is subjected to radially torsion and damages.
Further, as shown in Figure 9, anti-rotation member 36 is the groove on (for example being outer side wall) on the sidewall that is arranged on circular groove.The outer ring of annular main card body 12 is earlier to radially extension, and then side extending formation lug 11, and the groove platform prevents that to the bottom radial location of lug 11 lug 11 from rotating.The shape of groove matches with the shape of lug 11 bottoms, and for example, groove can be rectangle.
Further, as shown in figure 11, lug 11 is arranged on the side direction of the inner ring of annular main card body 12, Ka Tai is a rectangle, is arranged on the outer side wall of circular groove, and annular main card body 12 is made the structure that adapts with it, the rectangular card platform positions the edge, outer ring of annular main card body 12, is convenient to like this make.As shown in figure 13, Ka Tai is a zigzag fashion, is arranged on the outer side wall of circular groove, and annular main card body 12 is made the structure that adapts with it, and like this, Ka Tai positions the edge, outer ring of annular main card body 12, radial location effective.
Further, as Figure 12 and shown in Figure 14, anti-rotation member 36 is the anti-rotation sidewall of circular groove, the circumferential section of anti-rotation sidewall and circular groove intersects several angle, the circumferential section of main and circular groove not on same radius of curvature, can play and prevent that rotation from getting final product, so also can prevent the rotation of annular main card body 12, and simple in structure.
Further, as shown in Figure 9, the anti-rotation sidewall comprises the anti-rotation outer side wall 363 of circular groove, and the anti-rotation outer side wall is straight sidewall or crooked sidewall, for example, as shown in Figure 9, anti-rotation outer side wall 363 is a straight sidewall, as shown in figure 12, the anti-rotation outer side wall is a plurality of straight sidewalls, like this, simple in structure, be convenient to make.As shown in figure 14, the anti-rotation outer side wall is a crooked sidewall, and this crooked sidewall is a curve at the direction projection of overlooking of circular groove, like this, rotation prevention structure can be set flexibly.
Further, as shown in Figure 9, the anti-rotation sidewall also comprises the anti-rotation madial wall 361 of circular groove, and the anti-rotation madial wall is straight sidewall or crooked sidewall.Anti-rotation madial wall 361 is arranged on the outside of boss 38, and like this, the anti-rotation madial wall 361 of circular groove and the anti-rotation outer side wall 363 of circular groove can all position the anti-rotation better effects if from inside to outside to annular main card body 12.
As shown in figure 15, the utility model also provides a kind of electric expansion valve, and it comprises foregoing linkage structure.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
Linkage structure of the present utility model has solved location card well and has been connected insecure, assembling difficulty, manufacturing efficiency with coil lowly to reach orientation single and cause the client to use technical barriers such as inconvenience, and Component processing is convenient, with low cost, good product consistency.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (14)
1. the linkage structure of the coil of an electric expansion valve and location card comprises: location card (1) and coil (3) is characterized in that:
Described location card (1) comprising: annular main card body (12);
Attachment hole (14) runs through the upper and lower surface of described annular main card body (12);
Described coil (3) has the supporting portion (32) of supporting described annular main card body (12);
Described linkage structure also comprises: riveted joint protuberance (34), described riveted joint protuberance (34) have the suitable structure that is connected with described coil (3), and described riveted joint protuberance (34) has suitable structure of riveting mutually with described attachment hole (14).
2. linkage structure according to claim 1 is characterized in that, described riveted joint protuberance (34) is fixed on the described supporting portion (32).
3. linkage structure according to claim 2 is characterized in that, described riveted joint protuberance (34) is an integral structure with described coil (3).
4. linkage structure according to claim 1 is characterized in that, described supporting portion (32) have matching hole (39), and described riveted joint protuberance (34) has the suitable structure that matches with described matching hole (39).
5. linkage structure according to claim 2 is characterized in that, described supporting portion (32) are circular groove, and described circular groove has the structure to the location, outer ring of described annular main card body (12).
6. linkage structure according to claim 5 is characterized in that, described supporting portion (32) are platform, and described platform is provided with the boss (38) to the inner ring location of described annular main card body (12).
7. linkage structure according to claim 5 is characterized in that, described supporting portion (32) are circular groove, is provided with the boss (38) to the inner ring location of described annular main card body (12) in the described circular groove.
8. linkage structure according to claim 7 is characterized in that, also is provided with the anti-rotation member (36) that prevents that described annular main card body (12) from rotating in the described circular groove.
9. linkage structure according to claim 8 is characterized in that, described anti-rotation member (36) is the Ka Tai on the sidewall that is arranged on described circular groove.
10. linkage structure according to claim 9 is characterized in that described Ka Tai is rectangle or zigzag fashion, is arranged on the outer side wall of described circular groove.
11. linkage structure according to claim 8 is characterized in that, described anti-rotation member (36) is the anti-rotation sidewall of described circular groove, and the circumferential section of described anti-rotation sidewall and described circular groove intersects several angle.
12. linkage structure according to claim 11 is characterized in that, described anti-rotation sidewall comprises the anti-rotation outer side wall (363) of described circular groove, and described anti-rotation outer side wall is straight sidewall or crooked sidewall.
13. linkage structure according to claim 12 is characterized in that, described anti-rotation sidewall also comprises the anti-rotation madial wall (361) of described circular groove, and described anti-rotation madial wall is straight sidewall or crooked sidewall.
14. an electric expansion valve is characterized in that, comprises according to each described linkage structure in the claim 1 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020244777XU CN201757210U (en) | 2010-06-25 | 2010-06-25 | Coil and orientation card connecting structure and electronic expansion valve with the connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020244777XU CN201757210U (en) | 2010-06-25 | 2010-06-25 | Coil and orientation card connecting structure and electronic expansion valve with the connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201757210U true CN201757210U (en) | 2011-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020244777XU Expired - Fee Related CN201757210U (en) | 2010-06-25 | 2010-06-25 | Coil and orientation card connecting structure and electronic expansion valve with the connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201757210U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102867609A (en) * | 2011-07-05 | 2013-01-09 | 罗伯特·博世有限公司 | Electromagnetic coil apparatus and electromagnetic coil apparatus set |
| CN103512289A (en) * | 2013-09-27 | 2014-01-15 | 碧茂科技（苏州）有限公司 | Fixing structure of valve body of expansion valve |
| CN104180050A (en) * | 2013-05-21 | 2014-12-03 | 浙江盾安禾田金属有限公司 | Electronic expansion valve coil and electronic expansion valve comprising same |
| CN113969985A (en) * | 2020-07-24 | 2022-01-25 | 龙泉市惠丰进出口有限公司 | Electronic expansion valve |
-
2010
- 2010-06-25 CN CN201020244777XU patent/CN201757210U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102867609A (en) * | 2011-07-05 | 2013-01-09 | 罗伯特·博世有限公司 | Electromagnetic coil apparatus and electromagnetic coil apparatus set |
| CN104180050A (en) * | 2013-05-21 | 2014-12-03 | 浙江盾安禾田金属有限公司 | Electronic expansion valve coil and electronic expansion valve comprising same |
| CN104180050B (en) * | 2013-05-21 | 2018-12-28 | 浙江盾安禾田金属有限公司 | A kind of coil of electronic expansion valve and its electric expansion valve |
| CN103512289A (en) * | 2013-09-27 | 2014-01-15 | 碧茂科技（苏州）有限公司 | Fixing structure of valve body of expansion valve |
| CN103512289B (en) * | 2013-09-27 | 2016-04-13 | 碧茂科技（苏州）有限公司 | Expanding valve body fixed structure |
| CN113969985A (en) * | 2020-07-24 | 2022-01-25 | 龙泉市惠丰进出口有限公司 | Electronic expansion valve |
| CN113969985B (en) * | 2020-07-24 | 2024-05-17 | 浙江智汇汽车热管理科技有限公司 | Electronic expansion valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110309 Termination date: 20150625 |
|
| EXPY | Termination of patent right or utility model |