CN2619120Y - Rotor structure for electronic expansion valve - Google Patents
Rotor structure for electronic expansion valve Download PDFInfo
- Publication number
- CN2619120Y CN2619120Y CN 03230937 CN03230937U CN2619120Y CN 2619120 Y CN2619120 Y CN 2619120Y CN 03230937 CN03230937 CN 03230937 CN 03230937 U CN03230937 U CN 03230937U CN 2619120 Y CN2619120 Y CN 2619120Y
- Authority
- CN
- China
- Prior art keywords
- rotor
- snail
- plastic
- screw mandrel
- expansion valve
- 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 - Lifetime
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model relates to the rotor structure of the electronic expansion value in the air condition system. The present plastic rotor is formed on the surface of the snail and the guiding shaft by injection molding, but the pressure and the temperature of the injection molding are high and influence the coaxiality of the snail and the guiding shaft significantly. The utility model includes a shell, a guiding shaft and plastic rotor that is in the shell, a snail that is arranged on the snail and magnetic rotors that are jointed with the plastic rotors and is characterized in that the plastic rotors are located on the snail to avoid the impaction of the injection pressure and temperature to the coaxiality of the snail and the guiding shaft and reduce the probability of rotors to be blocked because of the uncoaxiality of the snail and the gear shaft, to increase stability of the products.
Description
Technical field
The utility model relates to a kind of rotor structure that is used for the frequency-conversion air-conditioning system electric expansion valve.
Background technique
Electric expansion valve, is driven needle and moves axially by the transmission of screw thread by the rotation of electronic controller controls stepper motor rotor, thereby regulates the flow area of valve port, regulates the flow of refrigeration agent.At present, the rotor structure of electric expansion valve (Fig. 1) mainly comprises outer cover, places the axis of guide in the outer cover, is enclosed within screw mandrel on the axis of guide, is positioned at the plastic rotor on the screw mandrel and the axis of guide and is connected to magnet rotor on the plastic rotor.Injection moulding adds man-hour, because plastic rotor is will be injection-moulded on the surface of the screw mandrel and the axis of guide (Fig. 2), and the pressure and temperature during injection moulding is than higher, coaxality influence to the axis of guide and screw mandrel is very big, if the axis of guide is undesirable to the screw mandrel coaxality, directly can cause rotor to be stuck in outer cover inside, can not rotate, thereby can not regulate the flow of refrigeration agent, have a strong impact on the use of product.
The model utility content
Technical problem to be solved in the utility model is the defective that overcomes above-mentioned prior art, provide a kind of plastic rotor to be positioned at the rotor structure of the electric expansion valve on the screw mandrel, reduction improves the stability of product because of screw mandrel and the bad stuck probability of rotor that causes of axis of guide coaxality.
The technical solution of the utility model is such: the rotor structure of electric expansion valve, comprise outer cover, place the axis of guide and plastic rotor in the outer cover, be enclosed within the screw mandrel on the axis of guide and be connected to magnet rotor on the plastic rotor, it is characterized in that described plastic rotor is positioned on the screw mandrel.During injection moulding, plastic rotor is to be directly injection-moulded on the screw mandrel, injection pressure and injection temperature greatly reduce because of screw mandrel and the bad stuck probability of rotor that causes of axis of guide coaxality the almost not influence of coaxality of the screw mandrel and the axis of guide, have improved the stability of product.
The rotor structure of described electric expansion valve, the cross section of plastic rotor is rectangular, compare with existing plastic rotor, saved material, improved the quality of plastic rotor injection moulding, the head of screw mandrel is provided with annular groove, can make being partially submerged in the annular groove of plastic rotor during injection moulding, makes both combinations more firm.
The utility model is because plastic rotor directly is positioned on the screw mandrel, pressure and temperature when making injection moulding is to the almost not influence of coaxality of the screw mandrel and the axis of guide, greatly reduce because of screw mandrel and the bad stuck probability of rotor that causes of axis of guide coaxality, improved the stability of product; In addition, compare, saved material, improved the quality of plastic rotor injection moulding with existing plastic rotor.
Below in conjunction with drawings and Examples the utility model is further described.
Description of drawings
Fig. 1 is the rotor structure of existing electric expansion valve.
Fig. 2 is the combine schematic representation of existing plastic rotor with the axis of guide and screw mandrel.
Fig. 3 is a structural representation of the present utility model.
Fig. 4 is a plastic rotor of the present utility model and the schematic representation that combines of screw mandrel.
Embodiment
Shown in Fig. 3,4, the rotor structure of electric expansion valve comprises outer cover 1, places the axis of guide 2 in the outer cover, is enclosed within screw mandrel 4 on the axis of guide 2, is positioned at the plastic rotor 3 on the screw mandrel 4 and is connected to magnet rotor 5 on the plastic rotor 3.The cross section of plastic rotor 3 is rectangular, and the head of screw mandrel 4 is provided with two annular grooves 6.
Claims (2)
1, the rotor structure of electric expansion valve, comprise outer cover (1), place the axis of guide (2) and plastic rotor (3) in the outer cover (1), be enclosed within the screw mandrel (4) on the axis of guide (2) and be connected to magnet rotor (5) on the plastic rotor (3), it is characterized in that described plastic rotor (3) is positioned on the screw mandrel (4).
2, the rotor structure of electric expansion valve according to claim 1 is characterized in that the cross section of described plastic rotor (3) is rectangular, and the head of screw mandrel (4) is provided with annular groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03230937 CN2619120Y (en) | 2003-04-28 | 2003-04-28 | Rotor structure for electronic expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03230937 CN2619120Y (en) | 2003-04-28 | 2003-04-28 | Rotor structure for electronic expansion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2619120Y true CN2619120Y (en) | 2004-06-02 |
Family
ID=34247873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03230937 Expired - Lifetime CN2619120Y (en) | 2003-04-28 | 2003-04-28 | Rotor structure for electronic expansion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2619120Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100547272C (en) * | 2006-08-31 | 2009-10-07 | 浙江三花制冷集团有限公司 | A kind of mortor operated valve |
| CN103457371A (en) * | 2012-06-01 | 2013-12-18 | 浙江三花股份有限公司 | Circulation pump, rotor structure thereof, and machining method for rotor structure |
| CN103671936A (en) * | 2012-09-06 | 2014-03-26 | 艾默生环境优化技术(苏州)有限公司 | Electronic expansion valve and manufacturing method thereof |
| CN106884996A (en) * | 2015-12-16 | 2017-06-23 | 浙江三花制冷集团有限公司 | Electric expansion valve and its valve element |
| CN107328157A (en) * | 2017-08-18 | 2017-11-07 | 吴美君 | It is a kind of that there is the refrigerator thawed with heat insulation function |
| CN109519592A (en) * | 2017-09-18 | 2019-03-26 | 浙江三花智能控制股份有限公司 | Electric expansion valve |
| CN109520183A (en) * | 2017-09-18 | 2019-03-26 | 浙江三花智能控制股份有限公司 | Electric expansion valve |
| CN109973705A (en) * | 2017-12-27 | 2019-07-05 | 浙江三花汽车零部件有限公司 | Solenoid valve |
-
2003
- 2003-04-28 CN CN 03230937 patent/CN2619120Y/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100547272C (en) * | 2006-08-31 | 2009-10-07 | 浙江三花制冷集团有限公司 | A kind of mortor operated valve |
| CN103457371A (en) * | 2012-06-01 | 2013-12-18 | 浙江三花股份有限公司 | Circulation pump, rotor structure thereof, and machining method for rotor structure |
| CN103457371B (en) * | 2012-06-01 | 2017-05-10 | 浙江三花制冷集团有限公司 | Circulation pump, rotor structure thereof, and machining method for rotor structure |
| CN103671936A (en) * | 2012-09-06 | 2014-03-26 | 艾默生环境优化技术(苏州)有限公司 | Electronic expansion valve and manufacturing method thereof |
| CN103671936B (en) * | 2012-09-06 | 2015-12-02 | 艾默生环境优化技术(苏州)有限公司 | Electronic expansion valve and manufacturing method thereof |
| CN106884996B (en) * | 2015-12-16 | 2021-11-19 | 浙江三花制冷集团有限公司 | Electronic expansion valve and valve core thereof |
| CN106884996A (en) * | 2015-12-16 | 2017-06-23 | 浙江三花制冷集团有限公司 | Electric expansion valve and its valve element |
| CN107328157A (en) * | 2017-08-18 | 2017-11-07 | 吴美君 | It is a kind of that there is the refrigerator thawed with heat insulation function |
| CN107328157B8 (en) * | 2017-08-18 | 2018-10-12 | 吴美君 | It is a kind of that there is the refrigerator to thaw with heat insulation function |
| CN107328157B (en) * | 2017-08-18 | 2018-09-07 | 吴美君 | It is a kind of that there is the refrigerator to thaw with heat insulation function |
| CN109519592A (en) * | 2017-09-18 | 2019-03-26 | 浙江三花智能控制股份有限公司 | Electric expansion valve |
| CN109520183A (en) * | 2017-09-18 | 2019-03-26 | 浙江三花智能控制股份有限公司 | Electric expansion valve |
| CN109973705A (en) * | 2017-12-27 | 2019-07-05 | 浙江三花汽车零部件有限公司 | Solenoid valve |
| CN109973705B (en) * | 2017-12-27 | 2021-03-09 | 浙江三花汽车零部件有限公司 | Electromagnetic valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130428 Granted publication date: 20040602 |