CN205991220U - Electric expansion valve valve rod drive mechanism - Google Patents
Electric expansion valve valve rod drive mechanism Download PDFInfo
- Publication number
- CN205991220U CN205991220U CN201621027793.7U CN201621027793U CN205991220U CN 205991220 U CN205991220 U CN 205991220U CN 201621027793 U CN201621027793 U CN 201621027793U CN 205991220 U CN205991220 U CN 205991220U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- magnetic steel
- drive mechanism
- electric expansion
- rod drive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
Electric expansion valve valve rod drive mechanism, belong to valve field, including coil, magnetic steel sleeve and nut sleeve, magnetic steel sleeve is the cylinder-shaped of both ends open, nut sleeve is coaxially threaded onto in described magnetic steel sleeve inner chamber, closely it is embedded with plastics adapter sleeve between nut sleeve and magnetic steel sleeve, the two ends of plastics adapter sleeve are respectively arranged with outside flange, the inner side end of two flange bears against on the two ends end face of described magnetic steel sleeve, the lower end of nut sleeve is provided with flanging, the inner side end of flanging is resisted against on the end face of plastics adapter sleeve, it is provided with annular groove on the periphery of nut sleeve, annular protrusion corresponding with annular groove is provided with the inwall of plastics adapter sleeve, annular protrusion is flush-mounted in described annular groove, serve axis position-limiting action.A kind of cooperation of offer fastens, is easily installed, the electric expansion valve valve rod drive mechanism of small volume.
Description
Technical field
This utility model belongs to valve field, especially relevant with electric expansion valve valve rod drive mechanism.
Background technology
Existing electric expansion valve is a kind of choke valve, for changing refrigerant flow in refrigeration system.Conventional electronics is swollen
Swollen valve includes valve body, valve rod, valve rod drive mechanism, the medium input pipe being connected to body wall and front end and medium outlet tube,
Valve shell is made up of valve seat and the docking of rear cover for seat, and coil mechanism is coated at rear cover for seat, and valve rod drive mechanism includes coil, magnet steel
Set and nut sleeve, valve opening is arranged at valve seat front end, and valve opening by the valve rod closure moving axially or is opened and realized electric expansion valve and open
Valve and valve closing.Existing nut sleeve is flush-mounted in described magnetic steel sleeve, and nut sleeve one end is fixedly connected with magnetic steel sleeve one end, another
Hold and overhang in magnetic steel sleeve inner chamber, such structure less stable in the work process of electric expansion valve, it is susceptible to shake
Dynamic, produce noise, and assemble inconvenience, cooperation volume is larger between the two.
Utility model content
The purpose of this utility model aims to solve the problem that existing electric expansion valve valve nut set and magnetic steel sleeve connective stability be not good enough,
Be susceptible to the problem rocked, provide a kind of cooperation fasten, be easily installed, the electric expansion valve valve rod drive mechanism of small volume.
For this reason, this utility model employs the following technical solutions：Electric expansion valve valve rod drive mechanism, including coil, magnet steel
Set and nut sleeve, is characterized in that, described magnetic steel sleeve is the cylinder-shaped of both ends open, and described nut sleeve is coaxially threaded onto described
Magnetic steel sleeve inner chamber in, be closely embedded with plastics adapter sleeve between nut sleeve and magnetic steel sleeve, the two ends of plastics adapter sleeve set respectively
It is equipped with outside flange, the inner side end of two flange bears against on the two ends end face of described magnetic steel sleeve, the lower end of nut sleeve
Be provided with flanging, the inner side end of flanging is resisted against on the end face of described plastics adapter sleeve, described nut sleeve cylindrical
Annular groove is provided with face, the described inwall of plastics adapter sleeve is provided with convex annular corresponding with described annular groove
Rise, annular protrusion is flush-mounted in described annular groove, serves axis position-limiting action.
As to the supplement of technique scheme and perfect, present invention additionally comprises following technical characteristic.
Described nut sleeve bottom is provided with a spacing preiection.
Described nut sleeve is copper nut set.
Described magnetic steel sleeve, plastics adapter sleeve and nut sleeve pass through injection moulding integrated molding.
The inwall two ends end of described magnetic steel sleeve is provided with arc groove, the two ends of the described outer wall of plastics adapter sleeve
It is provided with arc convex corresponding with described arc groove, arc convex setting-in corresponding with arc groove.
Described arc groove and arc convex are along the circumferential direction evenly equipped with several respectively.
This utility model can reach following beneficial effect：Nut sleeve and magnetic steel sleeve pass through injection and connect molding, by nut
Set and magnetic steel sleeve cooperation fastening, firm is arranged in valve body, effectively prevents from rocking, and reduces the body of copper nut set and magnetic steel sleeve
Long-pending, it is easily installed.
Brief description
Fig. 1 is schematic diagram of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawings specific embodiment of the present utility model is described in detail.
As shown in figure 1, this utility model includes coil, magnetic steel sleeve 2 and nut sleeve 3, magnetic steel sleeve 2 is the cylinder of both ends open
Shape, nut sleeve 3 is coaxially threaded onto in described magnetic steel sleeve 2 inner chamber, is closely embedded with plastics even between nut sleeve 3 and magnetic steel sleeve 2
Female connector 1, the two ends of plastics adapter sleeve 1 are respectively arranged with outside flange, and the inner side end of two flange bears against in magnetic steel sleeve 2
Two ends end face on, the lower end of nut sleeve 3 is provided with flanging, and the inner side end of flanging is resisted against the end of plastics adapter sleeve 1
On face, the periphery of nut sleeve 3 is provided with annular groove, the inwall of plastics adapter sleeve 1 is provided with and described annular groove
Corresponding annular protrusion, annular protrusion is flush-mounted in described annular groove, serves axis position-limiting action；Nut sleeve 3 bottom
It is provided with a spacing preiection 5, nut sleeve 3 is copper nut set, and the inwall two ends end of magnetic steel sleeve 2 is provided with arc groove, described
The two ends of the outer wall of plastics adapter sleeve 1 be provided with arc convex 4 corresponding with described arc groove, arc convex 4 and arc
The corresponding setting-in of groove, arc groove and arc convex 4 are along the circumferential direction evenly equipped with several respectively, magnetic steel sleeve 2, plastics adapter sleeve
1 and nut sleeve 3 pass through injection moulding integrated molding.
Claims (6)
1. electric expansion valve valve rod drive mechanism, including coil, magnetic steel sleeve and nut sleeve it is characterised in that：Described magnetic steel sleeve
Cylinder-shaped for both ends open, described nut sleeve is coaxially threaded onto in described magnetic steel sleeve inner chamber, nut sleeve and magnetic steel sleeve it
Between be closely embedded with plastics adapter sleeve, the two ends of plastics adapter sleeve are respectively arranged with outside flange, the inner side end of two flange
Bear against on the two ends end face of described magnetic steel sleeve, the lower end of nut sleeve is provided with flanging, and the inner side end of flanging supports
It is against on the end face of described plastics adapter sleeve, the described periphery of nut sleeve is provided with annular groove, described plastics are even
Annular protrusion corresponding with described annular groove is provided with the inwall of female connector, annular protrusion is flush-mounted in described annular groove
Interior, serve axis position-limiting action.
2. electric expansion valve valve rod drive mechanism according to claim 1 it is characterised in that：Described nut sleeve bottom sets
It is equipped with a spacing preiection.
3. electric expansion valve valve rod drive mechanism according to claim 2 it is characterised in that：Described nut sleeve is copper spiral shell
Mother set.
4. electric expansion valve valve rod drive mechanism according to claim 3 it is characterised in that：Described magnetic steel sleeve, plastics
Adapter sleeve and nut sleeve pass through injection moulding integrated molding.
5. electric expansion valve valve rod drive mechanism according to claim 4 it is characterised in that：The inwall of described magnetic steel sleeve
Two ends end is provided with arc groove, and the two ends of the described outer wall of plastics adapter sleeve are provided with corresponding with described arc groove
Arc convex, arc convex setting-in corresponding with arc groove.
6. electric expansion valve valve rod drive mechanism according to claim 5 it is characterised in that：Described arc groove and arc
Shape projection is along the circumferential direction evenly equipped with several respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621027793.7U CN205991220U (en) | 2016-08-31 | 2016-08-31 | Electric expansion valve valve rod drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621027793.7U CN205991220U (en) | 2016-08-31 | 2016-08-31 | Electric expansion valve valve rod drive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205991220U true CN205991220U (en) | 2017-03-01 |
Family
ID=58105264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621027793.7U Expired - Fee Related CN205991220U (en) | 2016-08-31 | 2016-08-31 | Electric expansion valve valve rod drive mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205991220U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061862A (en) * | 2017-06-01 | 2017-08-18 | 东方电气集团东方汽轮机有限公司 | A kind of valve crosshead connecting structure |
| CN110011447A (en) * | 2019-05-09 | 2019-07-12 | 浙江万冠电机有限公司 | A kind of motor of dust collector |
| WO2020078192A1 (en) * | 2018-10-16 | 2020-04-23 | 浙江盾安禾田金属有限公司 | Electronic expansion valve |
| CN111255938A (en) * | 2018-11-30 | 2020-06-09 | 浙江三花汽车零部件有限公司 | Electric valve |
| CN111255937A (en) * | 2018-11-30 | 2020-06-09 | 浙江三花汽车零部件有限公司 | Electric valve |
| CN111853325A (en) * | 2019-04-30 | 2020-10-30 | 江门市甜的电器有限公司 | Integrated water inlet electromagnetic valve and implementation method |
-
2016
- 2016-08-31 CN CN201621027793.7U patent/CN205991220U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061862A (en) * | 2017-06-01 | 2017-08-18 | 东方电气集团东方汽轮机有限公司 | A kind of valve crosshead connecting structure |
| WO2020078192A1 (en) * | 2018-10-16 | 2020-04-23 | 浙江盾安禾田金属有限公司 | Electronic expansion valve |
| CN111255938A (en) * | 2018-11-30 | 2020-06-09 | 浙江三花汽车零部件有限公司 | Electric valve |
| CN111255937A (en) * | 2018-11-30 | 2020-06-09 | 浙江三花汽车零部件有限公司 | Electric valve |
| CN111255937B (en) * | 2018-11-30 | 2022-02-22 | 浙江三花汽车零部件有限公司 | Electric valve |
| CN111255938B (en) * | 2018-11-30 | 2022-02-22 | 浙江三花汽车零部件有限公司 | Electric valve |
| CN111853325A (en) * | 2019-04-30 | 2020-10-30 | 江门市甜的电器有限公司 | Integrated water inlet electromagnetic valve and implementation method |
| CN110011447A (en) * | 2019-05-09 | 2019-07-12 | 浙江万冠电机有限公司 | A kind of motor of dust collector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170301 Termination date: 20170831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |