CN202928234U - Electronic expansion valve and wire-protecting sleeve thereof - Google Patents
Electronic expansion valve and wire-protecting sleeve thereof Download PDFInfo
- Publication number
- CN202928234U CN202928234U CN2012206297963U CN201220629796U CN202928234U CN 202928234 U CN202928234 U CN 202928234U CN 2012206297963 U CN2012206297963 U CN 2012206297963U CN 201220629796 U CN201220629796 U CN 201220629796U CN 202928234 U CN202928234 U CN 202928234U
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- Prior art keywords
- wire bushing
- wire
- expansion valve
- electric expansion
- bushing body
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- 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.)
- Expired - Lifetime
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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 discloses a wire-protecting sleeve for an electronic expansion valve. A plurality of lead holes are arranged in a body; the body is in a split form; a parting plane between a first wire-protecting sleeve body and a second wire-protecting sleeve body of the body is parallel to an axial line of the lead holes; and the parting plane passes through multiple lead holes. At an assembling moment, the first wire-protecting sleeve body is arranged on a lead part in a penetrated way so as to form an assembly, the assembly passes through a penetrating hole of an expansion valve gearbox and then is assembled into a sealing integrated body with the second wire-protecting sleeve body. Compared with the prior art, the wire-protecting sleeve provided by the scheme is designed in the split form, a manual punching process is omitted during an assembling process and the assembling efficiency is greatly promoted, so that the assembling cost is effectively controlled. Accordingly, the utility model also provides the electronic expansion valve with the wire-protecting sleeve.
Description
Technical field
The utility model relates to air-conditioning technical field, is specifically related to a kind of electric expansion valve and wire bushing thereof.
Background technology
In prior art, the motor of electric expansion valve remains on the aperture of valve the position of needs according to the power of systematic parameter exporting change, with the liquid supply rate that keeps evaporimeter to need.The coil housing of conditional electronic expansion valve is contained in the outside of valve body, and the rotor in coil and valve body consists of motor; In the course of work, realize the adjusting of aperture by the inner valve rod action of rotor banding moving valve.
See also Fig. 1, the figure shows the overall structure schematic diagram of existing speed-reduction type electronic expansion valve.
This electric expansion valve mainly contains two parts and forms, and the one, for the coiler part that drives, another is the valve body part for Flow-rate adjustment.Wherein, the power of the p-m step motor of coiler part is exported via gear reduction unit, and becomes screw mandrel to move both vertically through the screw thread pair thaumatropy.Be subjected to the restriction of this electric expansion valve special tectonic, its motor and gear transmission structure are in the space of a connection, obviously, if entering steam, gear reduction unit inside can affect the insulating properties of motor, solid particle polluter enters gear-box can affect the gear drive engagement, affects the normal folding of valve body.Based on this, in gear reduction unit and lead member junction, also need to carry out encapsulation process, to guarantee air-tightness, cleanliness factor, the insulating properties of gear reduction unit inside.
As shown in the figure, be provided with wire bushing at gear-box and lead member junction.In this coil of electronic expansion valve structure, the fit system between the wire bushing that adopts on lead-in wire and lead-in wire is first the fairlead of wire bushing to be cut, then lead-in wire is squeezed in the wire bushing hole.During assembling, after needing first to pass the gear-box hole without the lead member of wire bushing, then assemble as stated above wire bushing, in production process, efficient is very low; In actual production process, the workman assembles at least one minute time of a wire bushing, calculate with per tour 7 hours, for each person every day install several maximum 400, class produces 2000 production lines that overlap for needs, needs at least 5 skilled workers to operate simultaneously just and can satisfy the demand.
In addition, be subjected to the restriction of processing technology, need manually to cut operation to fairlead, process loaded down with trivial detailsly, cost is high.
In view of this, demand urgently being optimized design for existing wire bushing, effectively to enhance productivity.
The utility model content
For defects, the technical problem that the utility model solves is to provide a kind of wire bushing for electric expansion valve, can effectively enhance productivity by architecture advances, reduces the processing and manufacturing cost of electric expansion valve.On this basis, the utility model also provides a kind of electric expansion valve with this wire bushing.
The wire bushing that is used for electric expansion valve that the utility model provides offers a plurality of fairleads on its body; Described body is split type, the axis parallel of divisional plane and described fairlead between its first wire bushing body and the second wire bushing body; And described divisional plane is by a plurality of described fairleads.
Preferably, the axial line of described fairlead is positioned at described the first wire bushing body.
Preferably, in described the first wire bushing body and the second wire bushing body, one extends to form the accommodation section of accommodating another one from divisional plane.
Preferably, described the first wire bushing body and the second wire bushing body all adopt elastomeric material to make.
Preferably, described elastomeric material is rubber.
A kind of electric expansion valve that the utility model provides comprises valve body part and drives the coiler part of the displacement of valve rod of described valve body part; The motor of described coiler part is by the gear reduction unit outputting power, and the junction of its lead-in wire and gear reduction unit casing is provided with wire bushing; Described wire bushing is specially foregoing wire bushing for electric expansion valve.
Preferably, the mounting hole on described reduction case is up big and down small shoulder hole, and described the first wire bushing body and the second wire bushing body upper end all stretch out and form spacing convex shoulder, the step surface butt of described spacing convex shoulder and described shoulder hole.
Preferably, described the first wire bushing body pre-fixes with described lead-in wire with one in the second wire bushing body and is connected.
Preferably, adopt epoxy resin encapsulated in the described mounting hole below described wire bushing.
The wire bushing body of this programme adopts split-type design, and divisional plane is by a fairlead; During assembling, the first wire bushing body can be installed on and form an assembly on lead member, after this assembly being passed the mounting hole of expansion valve gear-box, then be assembled into a sealing integral body with the second wire bushing body.Compared with prior art, the wire bushing that provides due to this programme is split-type design, has omitted in assembling process and has manually cut the hole operation, can greatly promote efficiency of assembling, thereby has effectively controlled assembly cost.
Description of drawings
Fig. 1 is the overall structure schematic diagram of a kind of typical speed-reduction type electronic expansion valve in prior art;
Fig. 2 is the overall structure assembling exploded perspective view of the described wire bushing of concrete present embodiment;
Fig. 3 is the top view of the described wire bushing of concrete present embodiment;
Fig. 4 shows the process charts that the described wire bushing of the specific embodiment and electric expansion valve are assembled;
Fig. 5 is that the axle of described the first wire bushing body of the specific embodiment measures intention;
Fig. 6 is that the axle of described the second wire bushing body of the specific embodiment measures intention.
In Fig. 2 to Fig. 6:
The first wire bushing body 1, spacing preiection 11, spacing convex shoulder 12, the second wire bushing body 2, accommodation section 21, spacing convex shoulder 22, fairlead 3;
The specific embodiment
Core of the present utility model is to provide a kind of electric expansion valve wire bushing of structure optimization, and this wire bushing adopts split-type design, can effectively improve efficiency of assembling, provides reliable guarantee for controlling cost of goods manufactured.Illustrate present embodiment below in conjunction with Figure of description.
See also Fig. 2 and Fig. 3, wherein, Fig. 2 is the overall structure assembling exploded perspective view of the described wire bushing of present embodiment, and Fig. 3 is the top view of the described wire bushing of present embodiment.
As shown in the figure, the body of the described wire bushing of this programme is split-type structural, specifically is made of the first wire bushing body 1 and the second wire bushing body 2, and same as the prior art is, two wire bushing bodies enclose on the body of formation and offer a plurality of fairleads 3, with accommodating lead-in wire.Particularly, the axis parallel of divisional plane and fairlead 3 between the first wire bushing body 1 and the second wire bushing body 2; And this divisional plane is by a plurality of described fairleads 3.So arrange, can effectively optimize the assembly technology of electric expansion valve, please in the lump referring to Fig. 4, the figure shows the process charts that this wire bushing and electric expansion valve are assembled.
During assembling, at first the first wire bushing body 1 is installed on and forms an assembly 20 on lead member 10; Then, this assembly 20 is passed the mounting hole 30 of expansion valve gear-box after; Next, then with the second wire bushing body 2 be assembled into a sealing wire bushing integral body; At last, wire bushing is inserted mounting hole 30 fully, complete the assembling of lead member 10.
Need to prove, the split-type design of this wire bushing body is not limited to and is divided into two bodies, based on design philosophy of the present utility model, it can be divided into other a plurality of jacket bodies, all can as long as satisfy above-mentioned building block principle.Obviously, the best results of double-body bike design.
Can determine, the first wire bushing body 1 is to improve the key of efficiency of assembling with the pre-assembled reliability of lead-in wire.Further, pre-fix and be connected between the first wire bushing body 1 and lead-in wire, thus in follow-up assembling procedure process relative position relation more stable, reliable between the two.Above-mentionedly pre-fix connection and can realize in different ways, for example, the axial line of fairlead 3 can be positioned on the first wire bushing body 1, and namely the place, large footpath of fairlead 3 is positioned at the first wire bushing body 1 one sides, and correspondingly, the fairlead 3 on the second wire bushing body 2 is small size; In conjunction with shown in Figure 3, during pre-assembled, the first wire bushing body 1 just can wrap up respective lead, so that two member body relative positions of formed assembly 20 are comparatively stable.
Certainly, also can oppositely arrange the second wire bushing body 2 is pre-fixed with lead-in wire and be connected.
In fact, 1 first wire bushing body and the second wire bushing body 2 all adopt elastomeric material to make, so that set up the interference fit between wire bushing and mounting hole 30, have the rear sealing effectiveness of assembling preferably.The existing elastomeric material of preferred employing is made, and material cost is lower.In addition, for further lift-off seal effect, the interior employing epoxy resin encapsulated of mounting hole 30 of wire bushing below can be evaded the leakage problem that the fit-up gap of wire bushing may exist fully.
Mentality of designing based on promoting good assembly process process on the basis of technique scheme, can also position design for each assembled relation.
Please further referring to Fig. 5 and Fig. 6, wherein, Fig. 5 is that the axle of described the first wire bushing body of present embodiment measures intention; Fig. 6 is that the axle of described the second wire bushing body of present embodiment measures intention.
As shown in the figure, the second wire bushing body 2 extends to form the accommodation section 21 of accommodating the first wire bushing body 1 from divisional plane so that in both assembling process effective location, further improve efficiency of assembling.Equally, this accommodation section also can oppositely arrange, and namely the first wire bushing body 1 extends to form the accommodation section (not shown) of accommodating the second wire bushing body from divisional plane.
In addition, as shown in Figure 5, the outer surface of the first wire bushing body 1 is provided with spacing preiection 11, be used for mounting hole 30 inwalls on the limited impression (not shown) offered adaptive so that the effective radial location in wire bushing and mounting hole 30 assembling process.
In addition, mounting hole 30 on reduction case can be up big and down small shoulder hole, the first wire bushing body 1 upper end stretches out and forms spacing convex shoulder 12, the second wire bushing body upper end stretches out and forms spacing convex shoulder 22, step surface 31 butts of two spacing convex shoulders and this shoulder hole are so that the effective axial location in wire bushing and mounting hole 30 assembling process.Can further improve efficiency of assembling.
Except aforementioned wire bushing for electric expansion valve, the utility model also provides a kind of electric expansion valve of this wire bushing of application, in conjunction with shown in Figure 4.Identical with existing electric expansion valve, it comprises the coiler part of the displacement of valve rod that valve body part and driver's valve body divide; The motor of this coiler part is by the gear reduction unit outputting power, and the junction of its lead-in wire and gear reduction unit casing is provided with foregoing wire bushing.
What specify is that other functional parts of this electric expansion valve can adopt existing techniques in realizing, therefore this paper repeats no more.
The above is only preferred embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. be used for the wire bushing of electric expansion valve, offer a plurality of fairleads on its body; It is characterized in that, described body is split type, the axis parallel of divisional plane and described fairlead between its first wire bushing body and the second wire bushing body; And described divisional plane is by a plurality of described fairleads.
2. the wire bushing for electric expansion valve according to claim 1, is characterized in that, the axial line of described fairlead is positioned at described the first wire bushing body.
3. the wire bushing for electric expansion valve according to claim 1 and 2, is characterized in that, in described the first wire bushing body and the second wire bushing body, one extends to form the accommodation section of accommodating another one from divisional plane.
4. the wire bushing for electric expansion valve according to claim 3, is characterized in that, described the first wire bushing body and the second wire bushing body all adopt elastomeric material to make.
5. the wire bushing for electric expansion valve according to claim 4, is characterized in that, described elastomeric material is rubber.
6. electric expansion valve comprises the valve body part and drives the coiler part of the displacement of valve rod of described valve body part; The motor of described coiler part is by the gear reduction unit outputting power, and the junction of its lead-in wire and gear reduction unit casing is provided with wire bushing; It is characterized in that, described wire bushing is specially the described wire bushing of any one in claim 1 to 5.
7. electric expansion valve according to claim 6, it is characterized in that, mounting hole on described reduction case is up big and down small shoulder hole, described the first wire bushing body and the second wire bushing body upper end all stretch out and form spacing convex shoulder, the step surface butt of described spacing convex shoulder and described shoulder hole.
8. according to claim 6 or 7 described electric expansion valves, is characterized in that, described the first wire bushing body pre-fixes with described lead-in wire with one in the second wire bushing body and is connected.
9. electric expansion valve according to claim 8, is characterized in that, adopts epoxy resin encapsulated in the described mounting hole below described wire bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206297963U CN202928234U (en) | 2012-11-22 | 2012-11-22 | Electronic expansion valve and wire-protecting sleeve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206297963U CN202928234U (en) | 2012-11-22 | 2012-11-22 | Electronic expansion valve and wire-protecting sleeve thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202928234U true CN202928234U (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206297963U Expired - Lifetime CN202928234U (en) | 2012-11-22 | 2012-11-22 | Electronic expansion valve and wire-protecting sleeve thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202928234U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105281482A (en) * | 2015-10-26 | 2016-01-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor |
| CN105626975A (en) * | 2014-10-29 | 2016-06-01 | 浙江三花股份有限公司 | Sealing device and electronic valve provided with sealing device |
| CN109390116A (en) * | 2017-08-14 | 2019-02-26 | 浙江盾安机械有限公司 | A kind of coil of electronic expansion valve and its production technology |
| CN109883124A (en) * | 2017-12-06 | 2019-06-14 | 浙江三花智能控制股份有限公司 | Throttle setting and refrigerator with it |
| WO2019178995A1 (en) * | 2018-03-20 | 2019-09-26 | 诸暨市亿霸电子阀门有限公司 | Process and mold for fixing wires on electric apparatus |
| JP2020515786A (en) * | 2017-03-28 | 2020-05-28 | 浙江三花智能控制股▲ふん▼有限公司Ｚｈｅｊｉａｎｇ Ｓａｎｈｕａ Ｉｎｔｅｌｌｉｇｅｎｔ Ｃｏｎｔｒｏｌｓ ＣＯ．，Ｌｔｄ | Electronic expansion valve and refrigeration system including the same |
| CN112129034A (en) * | 2019-06-25 | 2020-12-25 | 青岛海尔电冰箱有限公司 | Refrigerator and door seal device for refrigeration equipment |
-
2012
- 2012-11-22 CN CN2012206297963U patent/CN202928234U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626975A (en) * | 2014-10-29 | 2016-06-01 | 浙江三花股份有限公司 | Sealing device and electronic valve provided with sealing device |
| CN105626975B (en) * | 2014-10-29 | 2018-05-04 | 浙江三花智能控制股份有限公司 | Sealing device and the electronic valve with the sealing device |
| CN105281482A (en) * | 2015-10-26 | 2016-01-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor |
| CN105281482B (en) * | 2015-10-26 | 2018-06-22 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of motor |
| JP2020515786A (en) * | 2017-03-28 | 2020-05-28 | 浙江三花智能控制股▲ふん▼有限公司Ｚｈｅｊｉａｎｇ Ｓａｎｈｕａ Ｉｎｔｅｌｌｉｇｅｎｔ Ｃｏｎｔｒｏｌｓ ＣＯ．，Ｌｔｄ | Electronic expansion valve and refrigeration system including the same |
| CN109390116A (en) * | 2017-08-14 | 2019-02-26 | 浙江盾安机械有限公司 | A kind of coil of electronic expansion valve and its production technology |
| CN109390116B (en) * | 2017-08-14 | 2022-03-08 | 浙江盾安机械有限公司 | Electronic expansion valve coil and production process thereof |
| CN109883124A (en) * | 2017-12-06 | 2019-06-14 | 浙江三花智能控制股份有限公司 | Throttle setting and refrigerator with it |
| WO2019178995A1 (en) * | 2018-03-20 | 2019-09-26 | 诸暨市亿霸电子阀门有限公司 | Process and mold for fixing wires on electric apparatus |
| CN112129034A (en) * | 2019-06-25 | 2020-12-25 | 青岛海尔电冰箱有限公司 | Refrigerator and door seal device for refrigeration equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 312500 Xinchang, Zhejiang Qixing street under the Liquan Patentee after: ZHEJIANG SANHUA INTELLIGENT CONTROLS Co.,Ltd. Address before: 312500 Xinchang, Zhejiang province Qixing street under the village of Liquan Patentee before: ZHEJIANG SANHUA Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130508 |