CN201013922Y - Electronic expansion valve for refrigerate - Google Patents
Electronic expansion valve for refrigerate Download PDFInfo
- Publication number
- CN201013922Y CN201013922Y CNU2007201405778U CN200720140577U CN201013922Y CN 201013922 Y CN201013922 Y CN 201013922Y CN U2007201405778 U CNU2007201405778 U CN U2007201405778U CN 200720140577 U CN200720140577 U CN 200720140577U CN 201013922 Y CN201013922 Y CN 201013922Y
- Authority
- CN
- China
- Prior art keywords
- screw rod
- expansion valve
- electric expansion
- cooling electric
- hole
- 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.)
- Ceased
Links
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 238000001746 injection moulding Methods 0.000 abstract description 7
- 238000000465 moulding Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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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- Electrically Driven Valve-Operating Means (AREA)
Abstract
The utility model discloses an electronic expansion valve used in cooling, comprising a valve body, a casing used for sealing the valve body, a coil sleeved outside the casing, a screw seat positioned inside the valve body, and a screw rod and a magnetic rotor matched with the screw. The coil after being powered drives the screw rod and the magnetic rotor to rotate. The magnetic rotor is fixed and embedded in the screw rod. The magnetic rotor is processed by injection molding, then is connected with the screw rod, which saves the influence to the accuracy and the coaxiality of the screw rod under high temperature and high pressure and greatly improves the quality of the electronic expansion valve during the processing of the integrative molding of the screw rod and the magnetic rotor in the prior art.
Description
Technical field
The utility model relates to a kind of cooling electric expansion valve.
Background technique
Effective utilization along with the air-conditioning inner space, air conditioner parts also drive to miniaturization, and the electric expansion valve of control flow rate also begins miniaturization in the air-conditioning, screw rod and magnet rotor process by the one injection moulding in the rotor structure of miniature electric expansion valve at present, because pressure and temperature in the injection moulding course of working are higher, can influence the precision of screw surface and coaxality etc.
The model utility content
Technical problem to be solved in the utility model provides a kind of cooling electric expansion valve, improves the precision and the coaxality of product.
A kind of cooling electric expansion valve, comprise valve body, be used for sealed valve body sleeve pipe, be placed in the outer coil of sleeve pipe, be loaded on nut seat, the screw rod that cooperates with nut seat and magnet rotor in the valve body, described screw rod of described coil electricity rear driving and magnet rotor rotation; Described magnet rotor is nested to be fixed on the screw rod.
Compared with prior art, the utlity model has following advantage:
Because magnet rotor injection moulding processing link with screw rod again, thereby avoided in the prior art in the screw rod and the integrated course of working of magnet rotor, High Temperature High Pressure has improved the quality of electric expansion valve greatly to the precision of screw rod generation and the influence of coaxality.
Description of drawings
Fig. 1 is the structural representation of the cooling electric expansion valve among the utility model one embodiment;
Fig. 2 is the structural representation of screw rod and magnet rotor attachment portion among the utility model one embodiment;
Fig. 3 is the structural representation of connecting base among the utility model one embodiment;
Fig. 4 is the A-A sectional view of Fig. 3;
Fig. 5 is the structural representation of upper bearing bracket and banking stop among the utility model one embodiment.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1, a kind of cooling electric expansion valve, comprise valve body 9, be used for sealed valve body sleeve pipe 3, be placed in the outer coil 7 of sleeve pipe, be loaded on nut seat 6, the screw rod 4 that cooperates with nut seat and magnet rotor 5 in the valve body, be installed in the needle 10 of screw rod 4 lower ends, coil 7 energising rear driving screw rods 4 and magnet rotor 5 rotate; Wherein, magnet rotor 5 nested being fixed on the screw rod 4.Because magnet rotor injection moulding processing link with screw rod again, thereby avoided in the prior art in the screw rod and the integrated course of working of magnet rotor, High Temperature High Pressure has improved the quality of electric expansion valve greatly to the precision of screw rod generation and the influence of coaxality.
Magnet rotor 5 comprises transition fit, interference fit or other nested means of fixation with screw rod 4 nested fixing modes, and what adopt in the present embodiment is interference fit, and its concrete structure is as follows:
Referring to Fig. 2, screw rod 4 comprises positioning shaft 43, has hole 53 on the magnet rotor 5, and positioning shaft 43 cooperates the location with hole 53.
For ease of processing, hole 53 can be through hole.
The part of positioning shaft 43 above hole 53 is connected with the upper surface of magnet rotor 5, forms riveted structure, further improves the adhesive strength of magnet rotor and screw rod.
Referring to Fig. 2, on the sidewall of screw rod 4, have tool withdrawal groove 45, tool withdrawal groove 45 is positioned at the below of positioning shaft 43, when screw rod 4 and magnet rotor interference fit, may have chip and burr, tool withdrawal groove is set, chip and burr can be contained in the tool withdrawal groove, improve the practicability and the aesthetic property of product processed.
Magnet rotor 5 comprises rotor portion 52 and connecting base 51, and rotor portion 52 and connecting base 51 are one-body molded, and open on connecting base 51 in hole 53.
Referring to Fig. 3,4, the outer wall of connecting base 51 is provided with reticulate pattern 52 and groove 54, rotor portion 52 is injection-moulded on reticulate pattern 52 and the groove 54, thereby improved the adhesive strength of rotor portion 52 with connecting base 51, prevented the axial and motion radially of the relative screw rod of magnet rotor, and, guaranteed the quality of product because during the injection moulding rotor portion, the pressure of injection moulding and temperature almost do not influence connecting base.
Form the gap between the outer wall of nut seat 6 bottoms and the inwall of valve body 9, this gap is connected with the upper space of valve body by the equalizing orifice on the body wall 91, thereby when guaranteeing that electric expansion valve uses, the pressure balance of valve body top and bottom.
For screw rod being gone up the location, upper bearing bracket 11, banking stop 12 and snubber 2 are set, banking stop 12 is welded in sleeve pipe 3 tops, offers porosely on the banking stop 12, and upper bearing bracket 11 is placed in the hole of banking stop 12, and is welded in sleeve pipe 3 tops; The bottom of snubber 2 is anchored on the screw rod 4, and the top by snubber 2 cooperates with upper bearing bracket 11 goes up the location.Last location makes magnet rotor 5 form the steady structure of two end supports with the following location that nut seat is realized, has improved the running stability and the vibration resistance of magnet rotor.
Have hole 13 in the upper bearing bracket 11, the top of snubber 2 forms bearing with hole 13 and cooperates.
More than to provided by the utility model, be described in detail a kind of cooling electric expansion valve, used specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (11)
1. cooling electric expansion valve, comprise valve body (9), be used for sealed valve body sleeve pipe (3), be placed in the outer coil (7) of sleeve pipe, be loaded on nut seat (6), the screw rod (4) that cooperates with nut seat and magnet rotor (5) in the valve body, described coil (7) switch on described screw rod of rear driving (4) and magnet rotor (5) rotation; It is characterized in that: described magnet rotor (5) is nested to be fixed on the screw rod (4).
2. cooling electric expansion valve according to claim 1 is characterized in that: described screw rod (4) comprises positioning shaft (43), has hole (53) on the described magnet rotor (5), and described positioning shaft (43) cooperates the location with described hole (53).
3. cooling electric expansion valve according to claim 2 is characterized in that: described hole (53) are through hole.
4. cooling electric expansion valve according to claim 3 is characterized in that: described positioning shaft (43) is connected with the upper surface of described magnet rotor (5) in the part of described hole (53) top, forms riveted structure.
5. cooling electric expansion valve according to claim 3 is characterized in that: have tool withdrawal groove (45) on described screw rod (4) sidewall, described tool withdrawal groove (45) is positioned at the below of described positioning shaft (43).
6. cooling electric expansion valve according to claim 2, it is characterized in that: described magnet rotor (5) comprises rotor portion (52) and connecting base (51), described rotor portion (52) and connecting base (51) are one-body molded, and open on described connecting base (51) described hole (53).
7. cooling electric expansion valve according to claim 6 is characterized in that: the outer wall of described connecting base (51) is provided with reticulate pattern (52) and groove (54), and described rotor portion (52) is injection-moulded on described reticulate pattern (52) and the groove (54).
8. cooling electric expansion valve according to claim 1, it is characterized in that: described nut seat (6) is for stepped, the top cross-section area is long-pending greater than lower cross section, the ladder surface of described nut seat (6) is fixed on the inwall of described valve body (9), and described nut seat (6) is used for the following location of described screw rod (4).
9. cooling electric expansion valve according to claim 8, it is characterized in that: form the gap between the outer wall of described nut seat (6) bottom and the inwall of described valve body (9), described gap is connected with the upper space of described valve body by the equalizing orifice on the described body wall (91).
10. cooling electric expansion valve according to claim 1, it is characterized in that: also comprise upper bearing bracket (11), banking stop (12) and snubber (2), described banking stop (12) is welded in described sleeve pipe (3) top, offer porose on the described banking stop (12), described upper bearing bracket (11) is placed in the hole of banking stop (12), and is welded in described sleeve pipe (3) top; The bottom of described snubber (2) is anchored on the described screw rod (4), and the top of described snubber (2) cooperates with described upper bearing bracket (11) goes up the location.
11. cooling electric expansion valve according to claim 10 is characterized in that: have hole (13) in the described upper bearing bracket (11), the hole (13) in the top of described snubber (2) and the described upper bearing bracket forms bearing and cooperates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201405778U CN201013922Y (en) | 2007-03-16 | 2007-03-16 | Electronic expansion valve for refrigerate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201405778U CN201013922Y (en) | 2007-03-16 | 2007-03-16 | Electronic expansion valve for refrigerate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201013922Y true CN201013922Y (en) | 2008-01-30 |
Family
ID=39025716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201405778U Ceased CN201013922Y (en) | 2007-03-16 | 2007-03-16 | Electronic expansion valve for refrigerate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201013922Y (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825184A (en) * | 2010-05-11 | 2010-09-08 | 浙江盾安禾田金属有限公司 | Welding structure of small shaft and cover board of electronic expansion valve and electronic expansion valve |
| CN102207199A (en) * | 2010-03-31 | 2011-10-05 | 浙江三花股份有限公司 | Electronic expansion valve |
| CN102252120A (en) * | 2010-05-21 | 2011-11-23 | 浙江三花股份有限公司 | Heat exchange device, and electrically operated valve thereof |
| CN102261774A (en) * | 2010-05-28 | 2011-11-30 | 浙江三花股份有限公司 | Electric valve |
| CN102267014A (en) * | 2011-07-12 | 2011-12-07 | 浙江盾安禾田金属有限公司 | Electronic expansion valve and manufacturing method thereof |
| CN102278841A (en) * | 2011-07-28 | 2011-12-14 | 浙江盾安禾田金属有限公司 | Method for preventing valve core position of electronic expansion valve from offsetting and corresponding protective cover |
| CN102287536A (en) * | 2011-07-27 | 2011-12-21 | 浙江盾安禾田金属有限公司 | Electronic expansion valve |
| CN102338240A (en) * | 2010-07-23 | 2012-02-01 | 浙江三花股份有限公司 | Heat exchange device and electromagnetic valve thereof |
| WO2012037830A1 (en) * | 2010-09-20 | 2012-03-29 | 浙江三花股份有限公司 | Electronic expansion valve |
| CN102734476A (en) * | 2011-04-02 | 2012-10-17 | 浙江三花股份有限公司 | Electronic expansion valve |
| CN102853100A (en) * | 2011-06-27 | 2013-01-02 | 浙江三花股份有限公司 | Flow control valve |
| US9285038B2 (en) | 2011-06-27 | 2016-03-15 | Zhejiang Sanhua Co., Ltd. | Flow control valve |
| US9383027B2 (en) | 2011-06-27 | 2016-07-05 | Zhejiang Sanhua Co., Ltd. | Electronic expansion valve |
| US9506677B2 (en) | 2011-06-27 | 2016-11-29 | Zhejiang Sanhua Co., Ltd. | Electronic expansion valve |
| CN106286936A (en) * | 2015-06-25 | 2017-01-04 | 浙江盾安禾田金属有限公司 | Electric expansion valve |
| CN106439211A (en) * | 2016-10-12 | 2017-02-22 | 诸暨市亿霸电子阀门有限公司 | Valve rod assembly on electronic expansion valve |
| CN107178645A (en) * | 2016-03-09 | 2017-09-19 | 株式会社鹭宫制作所 | Motor-driven valve |
| CN111365466A (en) * | 2018-12-25 | 2020-07-03 | 浙江盾安禾田金属有限公司 | Electronic expansion valve and air conditioning system using same |
| US11796234B2 (en) | 2018-12-25 | 2023-10-24 | Zhejiang Dunan Artificial Environment Co., Ltd. | Electronic expansion valve and air conditioning system with electronic expansion valve |
-
2007
- 2007-03-16 CN CNU2007201405778U patent/CN201013922Y/en not_active Ceased
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207199A (en) * | 2010-03-31 | 2011-10-05 | 浙江三花股份有限公司 | Electronic expansion valve |
| CN102207199B (en) * | 2010-03-31 | 2015-04-22 | 浙江三花股份有限公司 | Electronic expansion valve |
| CN101825184B (en) * | 2010-05-11 | 2012-08-29 | 浙江盾安禾田金属有限公司 | Welding structure of small shaft and cover board of electronic expansion valve and electronic expansion valve |
| CN101825184A (en) * | 2010-05-11 | 2010-09-08 | 浙江盾安禾田金属有限公司 | Welding structure of small shaft and cover board of electronic expansion valve and electronic expansion valve |
| CN102252120A (en) * | 2010-05-21 | 2011-11-23 | 浙江三花股份有限公司 | Heat exchange device, and electrically operated valve thereof |
| CN102261774A (en) * | 2010-05-28 | 2011-11-30 | 浙江三花股份有限公司 | Electric valve |
| CN102338240B (en) * | 2010-07-23 | 2015-08-19 | 浙江三花股份有限公司 | Heat-exchange device and solenoid valve thereof |
| CN102338240A (en) * | 2010-07-23 | 2012-02-01 | 浙江三花股份有限公司 | Heat exchange device and electromagnetic valve thereof |
| WO2012037830A1 (en) * | 2010-09-20 | 2012-03-29 | 浙江三花股份有限公司 | Electronic expansion valve |
| CN102734476B (en) * | 2011-04-02 | 2014-09-17 | 浙江三花股份有限公司 | Electronic expansion valve |
| CN102734476A (en) * | 2011-04-02 | 2012-10-17 | 浙江三花股份有限公司 | Electronic expansion valve |
| US9383027B2 (en) | 2011-06-27 | 2016-07-05 | Zhejiang Sanhua Co., Ltd. | Electronic expansion valve |
| CN102853100A (en) * | 2011-06-27 | 2013-01-02 | 浙江三花股份有限公司 | Flow control valve |
| US9506677B2 (en) | 2011-06-27 | 2016-11-29 | Zhejiang Sanhua Co., Ltd. | Electronic expansion valve |
| CN102853100B (en) * | 2011-06-27 | 2013-12-25 | 浙江三花股份有限公司 | Flow control valve |
| US9435457B2 (en) | 2011-06-27 | 2016-09-06 | Zhejiang Sanhua Co., Ltd. | Flow regulating valve |
| US9285038B2 (en) | 2011-06-27 | 2016-03-15 | Zhejiang Sanhua Co., Ltd. | Flow control valve |
| CN102267014A (en) * | 2011-07-12 | 2011-12-07 | 浙江盾安禾田金属有限公司 | Electronic expansion valve and manufacturing method thereof |
| CN102287536A (en) * | 2011-07-27 | 2011-12-21 | 浙江盾安禾田金属有限公司 | Electronic expansion valve |
| CN102278841A (en) * | 2011-07-28 | 2011-12-14 | 浙江盾安禾田金属有限公司 | Method for preventing valve core position of electronic expansion valve from offsetting and corresponding protective cover |
| CN102278841B (en) * | 2011-07-28 | 2013-04-17 | 浙江盾安禾田金属有限公司 | Method for preventing valve core position of electronic expansion valve from deviation and corresponding protective cover |
| CN106286936A (en) * | 2015-06-25 | 2017-01-04 | 浙江盾安禾田金属有限公司 | Electric expansion valve |
| CN106286936B (en) * | 2015-06-25 | 2019-12-03 | 浙江盾安禾田金属有限公司 | Electric expansion valve |
| CN107178645A (en) * | 2016-03-09 | 2017-09-19 | 株式会社鹭宫制作所 | Motor-driven valve |
| CN106439211A (en) * | 2016-10-12 | 2017-02-22 | 诸暨市亿霸电子阀门有限公司 | Valve rod assembly on electronic expansion valve |
| CN106439211B (en) * | 2016-10-12 | 2024-04-26 | 诸暨市亿霸电子阀门有限公司 | Valve rod assembly on electronic expansion valve |
| CN111365466A (en) * | 2018-12-25 | 2020-07-03 | 浙江盾安禾田金属有限公司 | Electronic expansion valve and air conditioning system using same |
| US11796234B2 (en) | 2018-12-25 | 2023-10-24 | Zhejiang Dunan Artificial Environment Co., Ltd. | Electronic expansion valve and air conditioning system with electronic expansion valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DUNAN ARTIFICIAL ENVIRONMENTAL APPARATUS CO., LTD Free format text: FORMER OWNER: DUNAN PRECISION INDUSTRY GROUP CO., LTD., ZHEJIANG Effective date: 20080222 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080222 Address after: Zhuji Industrial Zone, Zhejiang, China: 311835 Patentee after: Zhejiang Dun'an Artificial Environment Equipment Co., Ltd. Address before: Zhuji Industrial Zone, Zhejiang, China: 311835 Patentee before: Zhejiang Dun'an Precision Industries Group Co., Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20081226 Address after: Zhuji Industrial Zone, Zhejiang, China: 311835 Patentee after: Zhejiang DunAn Hetian Metal Co., Ltd. Address before: Zhuji Industrial Zone, Zhejiang, China: 311835 Patentee before: Zhejiang Dun'an Artificial Environment Equipment Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG PROVINCE DUNAN HETIAN METAL CO., LTD. Free format text: FORMER OWNER: DUNAN ARTIFICIAL ENVIRONMENTAL APPARATUS CO., LTD., ZHEJIANG PROV. Effective date: 20081226 |
|
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20101224 Decision number of declaring invalidation: 15810 Granted publication date: 20080130 |