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CN200965070Y - Positioning device for electronic expansion valve rotor and the electronic expansion valve - Google Patents

Positioning device for electronic expansion valve rotor and the electronic expansion valve Download PDF

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Publication number
CN200965070Y
CN200965070Y CNU2006201388265U CN200620138826U CN200965070Y CN 200965070 Y CN200965070 Y CN 200965070Y CN U2006201388265 U CNU2006201388265 U CN U2006201388265U CN 200620138826 U CN200620138826 U CN 200620138826U CN 200965070 Y CN200965070 Y CN 200965070Y
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CN
China
Prior art keywords
bearing
type support
rotor
support
supporting
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Expired - Fee Related
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CNU2006201388265U
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Chinese (zh)
Inventor
冯忠波
何国平
蔡培裕
王冠军
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Zhejiang Dunan Artificial Environmental Equipment Co Ltd
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Zhejiang DunAn Precision Industries Group Co Ltd
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Priority to CNU2006201388265U priority Critical patent/CN200965070Y/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
    • 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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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mounting Of Bearings Or Others (AREA)

Abstract

本实用新型涉及用于电子膨胀阀转子的定位装置及电子膨胀阀，包括用于固定在阀体内的轴承式支承档和用于与转子的端侧相配合的轴承式支承，所述轴承式支承安装在轴承式支承档中。所述轴承式支承档至少包括分别用于固定在阀体上的上、中、下轴承式支承挡其中之一，相应的，轴承式支承至少包括用于与转子的上端相配合的上轴承式支承、用于与转子侧壁上的凹槽相配合的中轴承式支承和用于与转子的下端相配合的下轴承式支承其中之一；所述上轴承式支承、中轴承式支承和下轴承式支承分别安装在上轴承式支承挡、中轴承式支承挡和下轴承式支承挡中。采用本实用新型的定位装置，轴承式支承与转子的端侧配合，使得转子约束为只有一个绕轴线旋转的自由度。

Figure 200620138826

The utility model relates to a positioning device for a rotor of an electronic expansion valve and an electronic expansion valve, comprising a bearing-type support for fixing in the valve body and a bearing-type support for matching with the end side of the rotor, the bearing-type support Mounted in bearing-type support rails. The bearing support includes at least one of the upper, middle and lower bearing supports respectively fixed on the valve body. one of a support, a middle bearing support for matching with a groove on the side wall of the rotor, and a lower bearing support for matching with the lower end of the rotor; said upper bearing support, middle bearing support and lower bearing support The bearing type support is installed in the upper bearing type support block, the middle bearing type support block and the lower bearing type support block respectively. By adopting the positioning device of the utility model, the bearing support cooperates with the end side of the rotor, so that the rotor is constrained to have only one degree of freedom of rotation around the axis.

Figure 200620138826

Description

The positioning device and the electric expansion valve that are used for the electronic expansion valve rotor
Technical field
The utility model relates to positioning device and the electric expansion valve that is used for the electronic expansion valve rotor.
Background technique
At present, electric expansion valve inner rotator and needle fuse and do revolution and elevating movement, the elevating movement of rotor causes the driving moment of electric expansion valve when work can do periodically pulsing on the one hand, influence the robust motion of valve, one of them supporting of rotor is motion thread or must connects together with motion thread that the surface friction drag when causing rotating is bigger on the other hand.
The model utility content
Technical problem to be solved in the utility model provides positioning device and the electric expansion valve that is used for the electronic expansion valve rotor, makes rotor only do rotation motion, and when rotation is stable, frictional force is little.
For solving the problems of the technologies described above, the utility model provides a kind of positioning device that is used for the electronic expansion valve rotor, comprise that the bearing type supporting gear that is used for fixing in valve body supports with the distolateral bearing type that matches of rotor with being used for, described bearing type supporting is installed in the bearing type supporting gear.
Described bearing type supporting gear comprises that at least being respectively applied for the upper, middle and lower bearing type supporting that is fixed on the valve body keeps off one of them, accordingly, bearing type supporting comprises the upper bearing (metal) formula supporting that is used for matching with the upper end of rotor at least, is used for the middle (center) bearing formula supporting that matches with groove on the rotor sidewall and the lower bearing formula that is used for matching with the lower end of rotor supports one of them; Described upper bearing (metal) formula supporting, the supporting of middle (center) bearing formula and the supporting of lower bearing formula are installed in respectively in upper bearing (metal) formula supporting retaining, middle (center) bearing formula supporting retaining and the lower bearing formula supporting retaining.
The supporting of described upper bearing (metal) formula is supported one of them for the supporting of sliding bearing formula and rolling bearing type, described in, the supporting of lower bearing formula is that slip and rolling bearing type support one of them.
Described bearing type supporting gear comprise at least be respectively applied for be fixed on the valve body in, lower bearing formula supporting retaining one of them, accordingly, bearing type supporting comprises the upper bearing (metal) formula supporting that is used for matching with the upper end of rotor at least, is used for the middle (center) bearing formula supporting that matches with groove on the rotor sidewall and the lower bearing formula that is used for matching with the lower end of rotor supports one of them; Described middle (center) bearing formula supporting and the supporting of lower bearing formula are installed in respectively in middle (center) bearing formula supporting retaining and the lower bearing formula supporting retaining, described upper bearing (metal) formula supporting is the some supporting, and it comprises the other end that is used for embedding the tip of apex rotor central recess and is used for the butt valve body.
In described, lower bearing formula supporting is respectively and slides and rolling bearing type supports one of them.
A kind of electric expansion valve comprises valve body, rotor and positioning device, and described rotor is installed in the valve body; Described positioning device is installed in the valve body, described positioning device is used to make rotor only to do rotation motion, and it comprises bearing type supporting gear and bearing type supporting, and described bearing type supporting is fixed in the valve body, the bearing type supporting is installed in the bearing type supporting gear, and matches with the distolateral of rotor.
Described bearing type supporting gear comprises that at least upper, middle and lower bearing type supporting keeps off one of them, and described upper, middle and lower bearing type supporting retaining is separately fixed on the valve body; Accordingly, the bearing type supporting comprises that at least the supporting of upper bearing (metal) formula, the supporting of middle (center) bearing formula and lower bearing formula support one of them; The supporting of described upper bearing (metal) formula matches with the upper end of rotor, and described middle (center) bearing formula supporting matches with groove on the rotor sidewall, and described lower bearing formula supports and matches with the lower end of rotor; Described upper bearing (metal) formula supporting, the supporting of middle (center) bearing formula and the supporting of lower bearing formula are installed in respectively in upper bearing (metal) formula supporting retaining, middle (center) bearing formula supporting retaining and the lower bearing formula supporting retaining.
The supporting of described upper bearing (metal) formula is supported one of them for the supporting of sliding bearing formula and rolling bearing type, described in, the supporting of lower bearing formula is that slip and rolling bearing type support one of them.
Described bearing type supporting gear comprises that at least middle (center) bearing formula supporting retaining and the supporting of lower bearing formula keep off one of them, and middle (center) bearing formula supporting retaining and lower bearing formula supporting retaining are separately fixed on the valve body; Accordingly, the bearing type supporting comprises that at least the supporting of upper bearing (metal) formula, the supporting of middle (center) bearing formula and lower bearing formula support one of them; The supporting of described upper bearing (metal) formula matches with the upper end of rotor, and described middle (center) bearing formula supporting matches with groove on the rotor sidewall, and described lower bearing formula supports and matches with the lower end of rotor; Described middle (center) bearing formula supporting and the supporting of lower bearing formula are installed in respectively in middle (center) bearing formula supporting retaining and the lower bearing formula supporting retaining, and described upper bearing (metal) formula supporting is gone up roof for the some supporting in its most advanced and sophisticated butt valve body, and the other end embeds apex rotor.
In described, lower bearing formula supporting is respectively and slides and rolling bearing type supports one of them.
Compared with prior art, the utlity model has following advantage:
Adopt positioning device of the present utility model, the bearing type supporting cooperates with the distolateral of rotor, makes rotor be constrained to and has only a degrees of freedom of rotating around axis.
The supporting of upper bearing (metal) formula is supported one of them for the supporting of sliding bearing formula, rolling bearing type supporting and point, in described, lower bearing formula supporting is for sliding and rolling bearing type supports one of them, thereby make rotor minimum friction forces when rotated, help improving the valve ability of opening of valve.
Description of drawings
Fig. 1 is the utility model electric expansion valve embodiment one a structural representation;
Fig. 2 is the utility model electric expansion valve embodiment two a structural representation;
Fig. 3 is the utility model electric expansion valve embodiment three a structural representation;
Fig. 4 is the utility model electric expansion valve embodiment four a structural representation;
Fig. 5 is the utility model electric expansion valve embodiment five a structural representation;
Fig. 6 is the utility model electric expansion valve embodiment six a structural representation;
Fig. 7 is the utility model electric expansion valve embodiment seven a structural representation;
Fig. 8 is the utility model electric expansion valve embodiment eight a structural representation;
Fig. 9 is the utility model electric expansion valve embodiment nine a structural representation;
Figure 10 is the utility model electric expansion valve embodiment ten a structural representation;
Figure 11 is the utility model electric expansion valve embodiment 11 a structural representation;
Figure 12 is the utility model electric expansion valve embodiment 12 a structural representation;
Figure 13 is the utility model electric expansion valve embodiment 13 a structural representation;
Figure 14 is the utility model electric expansion valve embodiment 14 a structural representation;
Figure 15 is the utility model electric expansion valve embodiment 15 a structural representation;
Figure 16 is the utility model electric expansion valve embodiment 16 a structural representation.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Referring to Fig. 1 extremely, a kind of positioning device that is used for the electronic expansion valve rotor comprises that the bearing type supporting gear that is used for fixing in valve body 2 supports with the distolateral bearing type that matches of rotor 2 with being used for, and described bearing type supporting is installed in the bearing type supporting gear.
Described bearing type supporting gear comprise at least be respectively applied for respect to the fixing upper, middle and lower bearing type supporting retaining of valve body 1 31,35,32 one of them, accordingly, bearing type supporting comprise the upper bearing (metal) formula supporting 33 that is used for matching at least with the upper end of rotor 2, be used for the middle (center) bearing formula supporting 36 that matches with groove on rotor 2 sidewalls and the lower bearing formula supporting that is used for matching 34 with the lower end of rotor 2 one of them; Described upper bearing (metal) formula supporting 33, the supporting 36 of middle (center) bearing formula and lower bearing formula supporting 34 are installed in respectively in upper bearing (metal) formula supporting retaining 31, middle (center) bearing formula supporting retaining 35 and the lower bearing formula supporting retaining 32.
Described upper bearing (metal) formula supporting 33 be at least the supporting of sliding bearing formula, rolling bearing type supporting and some supporting one of them, described in, lower bearing formula supporting 36,34 is at least and slides and rolling bearing type supports one of them.
When described upper bearing (metal) formula supporting 33 was the some supporting, it comprised the other end that is used for embedding the tip of rotor 2 top central recess and is used for butt valve body 1.
A kind of electric expansion valve comprises valve body 1, rotor 2 and positioning device 3, and described rotor 2 is installed in the valve body 1; Described positioning device 3 is installed in the valve body 1, and matches with rotor 2, is used to make rotor 2 only to do rotation motion.
Described positioning device 3 comprises bearing type supporting gear and bearing type supporting, and described bearing type supporting is fixed in the valve body 1, and the bearing type supporting is installed in the bearing type supporting gear, and matches with the distolateral of rotor 2.
Described bearing type supporting gear comprise at least upper, middle and lower bearing types supporting retaining 31,35,32 one of them, accordingly, bearing type supporting comprise at least upper, middle and lower bearing type supporting 33,36,34 one of them, described upper, middle and lower bearing type supporting retaining 31,35,32 is fixing with respect to valve body 1 respectively, described upper bearing (metal) formula supporting 33 is installed in the upper bearing (metal) formula supporting retaining 31, and matches with the upper end of rotor 2; Described middle (center) bearing formula supporting 36 is installed in the middle (center) bearing formula supporting retaining 35, and matches with groove on rotor 2 sidewalls; Described lower bearing formula supporting 34 is installed in the lower bearing formula supporting retaining 32, and matches with the lower end of rotor 2.
Described upper bearing (metal) formula supporting 33 be at least the supporting of sliding bearing formula, rolling bearing type supporting and some supporting one of them, described in, lower bearing formula supporting 36,34 is at least and slides and rolling bearing type supports one of them.
When described upper bearing (metal) formula supporting 33 was the some supporting, its tip embedded in the rotor 2 top central recess, the other end butt valve body 1.
Embodiment one, as shown in Figure 1, and a kind of electric expansion valve, comprise valve body 1, rotor 2 and positioning device 3, positioning device 3 comprises metal (upper formula supporting retaining 31,32 and metal (upper formula supporting 33,34, and in the present embodiment, metal (upper formula supporting 33,34 all is the rolling bearing type supporting.
Upper and lower bearing type supporting retaining 31,32 is separately fixed in the valve body 1, and upper bearing (metal) formula supporting 33 is installed in the upper bearing (metal) formula supporting retaining 31, and matches with the upper end of rotor 2; Lower bearing formula supporting 34 is installed in the lower bearing formula supporting retaining 32, and matches with the lower end of rotor 2.
Embodiment two, and as shown in Figure 2, a kind of electric expansion valve is with embodiment one difference, and the supporting 34 of lower bearing formula is supported for the sliding bearing formula.
Embodiment three, and as shown in Figure 3, a kind of electric expansion valve is with embodiment one difference, and metal (upper formula supporting 33,34 is all supported for the sliding bearing formula.
Embodiment four, and as shown in Figure 4, a kind of electric expansion valve is with embodiment one difference, and the supporting 33 of upper bearing (metal) formula is supported for the sliding bearing formula.
Embodiment five, as shown in Figure 5, and a kind of electric expansion valve, be that with embodiment one difference positioning device 3 comprises lower bearing formula supporting retaining 32 and metal (upper formula supporting 33,34, upper bearing (metal) formula supporting 33 is the some supporting, go up roof in its most advanced and sophisticated butt valve body 1, the other end embeds rotor 2 tops; The supporting 34 of lower bearing formula is the rolling bearing type supporting.
Embodiment six, and as shown in Figure 6, a kind of electric expansion valve is with embodiment five difference, and the supporting 34 of lower bearing formula is supported for the sliding bearing formula.
Embodiment seven, as shown in Figure 7, a kind of electric expansion valve, comprise valve body 1, rotor 2 and positioning device 3, positioning device 3 comprises upper bearing (metal) formula supporting retaining 31, middle (center) bearing formula supporting retaining 35, the supporting 33 of upper bearing (metal) formula and middle (center) bearing formula supporting 36, in the present embodiment, supporting 33 of upper bearing (metal) formula and middle (center) bearing formula supporting 36 all are the rolling bearing type supporting
Upper bearing (metal) formula supporting retaining 31 and middle (center) bearing formula supporting retaining 35 are separately fixed in the valve body 1; Upper bearing (metal) formula supporting 33 is installed in the upper bearing (metal) formula supporting retaining 31, and matches with the upper end of rotor 2; Middle (center) bearing formula supporting 36 is installed in the middle (center) bearing formula supporting retaining 35, and matches with groove on rotor 2 sidewalls
Embodiment eight, and as shown in Figure 8, a kind of electric expansion valve is with embodiment seven difference, and the supporting 36 of middle (center) bearing formula is supported for the sliding bearing formula.
Embodiment nine, and as shown in Figure 9, a kind of electric expansion valve is with embodiment seven difference, and supporting 33 of upper bearing (metal) formula and middle (center) bearing formula supporting 36 are all supported for the sliding bearing formula.
Embodiment ten, and as shown in figure 10, a kind of electric expansion valve is with embodiment seven difference, and the supporting 33 of upper bearing (metal) formula is supported for the sliding bearing formula.
Embodiment 11, as shown in figure 11, a kind of electric expansion valve, be with embodiment seven difference, positioning device 3 comprises middle (center) bearing formula supporting retaining 35, the supporting 33 of upper bearing (metal) formula and middle (center) bearing formula supporting 36, upper bearing (metal) formula supporting 33 is the some supporting, goes up roof in its most advanced and sophisticated butt valve body 1, and the other end embeds rotor 2 tops; The supporting 36 of middle (center) bearing formula is the rolling bearing type supporting.
Embodiment 12, and as shown in figure 12, a kind of electric expansion valve is with embodiment 11 difference, and the supporting 36 of middle (center) bearing formula is supported for the sliding bearing formula.
Embodiment 13, as shown in figure 13, a kind of electric expansion valve, comprise valve body 1, rotor 2 and positioning device 3, positioning device 3 comprises middle (center) bearing formula supporting retaining 35, lower bearing formula supporting retaining 32, the supporting 36 of middle (center) bearing formula and lower bearing formula supporting 34, in the present embodiment, supporting 36 of middle (center) bearing formula and lower bearing formula supporting 34 all are the rolling bearing type supporting.
Middle (center) bearing formula supporting retaining 35 and lower bearing formula supporting retaining 32 are separately fixed in the valve body 1, and described middle (center) bearing formula supporting 36 is installed in the middle (center) bearing formula supporting retaining 35, and match with groove on rotor 2 sidewalls; Described lower bearing formula supporting 34 is installed in the lower bearing formula supporting retaining 32, and matches with the lower end of rotor 2.
Embodiment 14, and as shown in figure 14, a kind of electric expansion valve is with embodiment 13 difference, and the supporting 34 of lower bearing formula is supported for the sliding bearing formula.
Embodiment 15, and as shown in figure 15, a kind of electric expansion valve is with embodiment 13 difference, and supporting 36 of middle (center) bearing formula and lower bearing formula supporting 34 are all supported for the sliding bearing formula.
Embodiment 16, and as shown in figure 16, a kind of electric expansion valve is with embodiment 13 difference, and the supporting 36 of middle (center) bearing formula is supported for the sliding bearing formula.
More than positioning device and the electric expansion valve that is used for the electronic expansion valve rotor provided by the utility model is described in detail, 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 (10)

1、一种用于电子膨胀阀转子的定位装置，其特征在于：包括用于固定在阀体(2)内的轴承式支承档和用于与转子(2)的端侧相配合的轴承式支承，所述轴承式支承安装在轴承式支承档中。1. A positioning device for the rotor of an electronic expansion valve, which is characterized in that it includes a bearing-type support bracket for fixing in the valve body (2) and a bearing-type support bracket for matching with the end side of the rotor (2). Support, the bearing type support is installed in the bearing type support file. 2、根据权利要求1所述的定位装置，其特征在于：所述轴承式支承档至少包括分别用于固定在阀体(1)上的上、中、下轴承式支承挡(31、35、32)其中之一，相应的，轴承式支承至少包括用于与转子(2)的上端相配合的上轴承式支承(33)、用于与转子(2)侧壁上的凹槽相配合的中轴承式支承(36)和用于与转子(2)的下端相配合的下轴承式支承(34)其中之一；所述上轴承式支承(33)、中轴承式支承(36)和下轴承式支承(34)分别安装在上轴承式支承挡(31)、中轴承式支承挡(35)和下轴承式支承挡(32)中。2. The positioning device according to claim 1, characterized in that: said bearing-type support stops include at least upper, middle and lower bearing-type support stops (31, 35, 32) One of them, correspondingly, the bearing type support at least includes an upper bearing type support (33) for matching with the upper end of the rotor (2), and an upper bearing type support (33) for matching with the groove on the side wall of the rotor (2). One of the middle bearing type support (36) and the lower bearing type support (34) for matching with the lower end of the rotor (2); the upper bearing type support (33), the middle bearing type support (36) and the lower Bearing type support (34) is respectively installed in upper bearing type support block (31), middle bearing type support block (35) and lower bearing type support block (32). 3、根据权利要求2所述的定位装置，其特征在于：所述上轴承式支承(33)为滑动轴承式支承和滚动轴承式支承其中之一，所述中、下轴承式支承(36、34)分别为滑动和滚动轴承式支承其中之一。3. The positioning device according to claim 2, characterized in that: the upper bearing type support (33) is one of a sliding bearing type support and a rolling bearing type support, and the middle and lower bearing type supports (36, 34 ) are one of sliding and rolling bearing bearings respectively. 4、根据权利要求1所述的定位装置，其特征在于：所述轴承式支承档至少包括分别用于固定在阀体(1)上的中、下轴承式支承挡(35、32)其中之一，相应的，轴承式支承至少包括用于与转子(2)的上端相配合的上轴承式支承(33)、用于与转子(2)侧壁上的凹槽相配合的中轴承式支承(36)和用于与转子(2)的下端相配合的下轴承式支承(34)其中之一；所述中轴承式支承(36)和下轴承式支承(34)分别安装在中轴承式支承挡(35)和下轴承式支承挡(32)中，所述上轴承式支承(33)为点支承，其包括用于嵌入转子(2)顶端中心凹槽中的尖端和用于抵接阀体(1)的另一端。4. The positioning device according to claim 1, characterized in that: the bearing-type supporting brackets include at least one of the middle and lower bearing-type supporting brackets (35, 32) for fixing on the valve body (1) respectively. 1. Correspondingly, the bearing support includes at least an upper bearing support (33) for cooperating with the upper end of the rotor (2), and a middle bearing support for cooperating with the groove on the side wall of the rotor (2) (36) and one of the lower bearing type support (34) for matching with the lower end of the rotor (2); the middle bearing type support (36) and the lower bearing type support (34) are respectively installed Among the support block (35) and the lower bearing support block (32), the upper bearing support (33) is a point support, which includes a tip for inserting into the center groove of the top end of the rotor (2) and a point for abutting against The other end of the valve body (1). 5、根据权利要求4所述的定位装置，其特征在于：所述中、下轴承式支承(36、34)分别为滑动和滚动轴承式支承其中之一。5. The positioning device according to claim 4, characterized in that the middle and lower bearings (36, 34) are respectively one of sliding and rolling bearings. 6、一种电子膨胀阀，包括阀体(1)、转子(2)和定位装置(3)，所述转子(2)安装在阀体(1)内；所述定位装置(3)安装在阀体(1)内，其特征在于：所述定位装置(3)用于使转子(2)仅作回转运动，其包括轴承式支承档和轴承式支承，所述轴承式支承固定在阀体(1)内，轴承式支承安装在轴承式支承档中，并与转子(2)的端侧相配合。6. An electronic expansion valve, comprising a valve body (1), a rotor (2) and a positioning device (3), the rotor (2) is installed in the valve body (1); the positioning device (3) is installed in In the valve body (1), it is characterized in that: the positioning device (3) is used to make the rotor (2) only perform rotary motion, which includes a bearing-type support bracket and a bearing-type support, and the bearing-type support is fixed on the valve body In (1), the bearing type support is installed in the bearing type support bracket, and cooperates with the end side of the rotor (2). 7、根据权利要求6所述的电子膨胀阀，其特征在于：所述轴承式支承档至少包括上、中、下轴承式支承挡(31、35、32)其中之一，所述上、中、下轴承式支承挡(31、35、32)分别固定在阀体(1)上；相应的，轴承式支承至少包括上轴承式支承(33)、中轴承式支承(36)和下轴承式支承(34)其中之一；所述上轴承式支承(33)与转子(2)的上端相配合，所述中轴承式支承(36)与转子(2)侧壁上的凹槽相配合，所述下轴承式支承(34)与转子(2)的下端相配合；所述上轴承式支承(33)、中轴承式支承(36)和下轴承式支承(34)分别安装在上轴承式支承挡(31)、中轴承式支承挡(35)和下轴承式支承挡(32)中。7. The electronic expansion valve according to claim 6, characterized in that: said bearing-type supporting brackets include at least one of upper, middle and lower bearing-type supporting brackets (31, 35, 32), said upper, middle 1. The lower bearing-type support blocks (31, 35, 32) are respectively fixed on the valve body (1); correspondingly, the bearing-type supports at least include upper bearing-type supports (33), middle bearing-type supports (36) and lower bearing-type supports One of the supports (34); the upper bearing support (33) is matched with the upper end of the rotor (2), and the middle bearing support (36) is matched with the groove on the side wall of the rotor (2), The lower bearing type support (34) is matched with the lower end of the rotor (2); the upper bearing type support (33), the middle bearing type support (36) and the lower bearing type support (34) are respectively installed on the upper bearing type In the support block (31), the middle bearing type support block (35) and the lower bearing type support block (32). 8、根据权利要求7所述的电子膨胀阀，其特征在于：所述上轴承式支承(33)为滑动轴承式支承和滚动轴承式支承其中之一，所述中、下轴承式支承(36、34)分别为滑动和滚动轴承式支承其中之一。8. The electronic expansion valve according to claim 7, characterized in that: the upper bearing support (33) is one of a sliding bearing support and a rolling bearing support, and the middle and lower bearing supports (36, 34) are respectively one of sliding and rolling bearing type supports. 9、根据权利要求6所述的电子膨胀阀，其特征在于：所述轴承式支承档至少包括中轴承式支承挡(35)和下轴承式支承挡(32)其中之一，中轴承式支承挡(35)和下轴承式支承挡(32)分别固定在阀体(1)上；相应的，轴承式支承至少包括上轴承式支承(33)、中轴承式支承(36)和下轴承式支承(34)其中之一；所述上轴承式支承(33)与转子(2)的上端相配合，所述中轴承式支承(36)与转子(2)侧壁上的凹槽相配合，所述下轴承式支承(34)和与转子(2)的下端相配合；所述中轴承式支承(36)和下轴承式支承(34)分别安装在中轴承式支承挡(35)和下轴承式支承挡(32)中，所述上轴承式支承(33)为点支承，其尖端抵接阀体(1)内上顶壁，另一端嵌入转子(2)顶端。9. The electronic expansion valve according to claim 6, characterized in that: the bearing-type supporting bracket includes at least one of a middle bearing-type supporting bracket (35) and a lower bearing-type supporting bracket (32), and the middle bearing-type supporting bracket Block (35) and lower bearing type support block (32) are fixed on the valve body (1) respectively; Correspondingly, bearing type support at least includes upper bearing type support (33), middle bearing type support (36) and lower One of the supports (34); the upper bearing support (33) is matched with the upper end of the rotor (2), and the middle bearing support (36) is matched with the groove on the side wall of the rotor (2), The lower bearing type support (34) is matched with the lower end of the rotor (2); the middle bearing type support (36) and the lower bearing type support (34) are installed on the middle bearing type support block (35) and the lower end respectively. In the bearing-type support block (32), the upper bearing-type support (33) is a point support, and its tip abuts against the inner upper top wall of the valve body (1), and the other end is embedded in the top of the rotor (2). 10、根据权利要求9所述的电子膨胀阀，其特征在于：所述中、下轴承式支承(36、34)分别为滑动和滚动轴承式支承其中之一。10. The electronic expansion valve according to claim 9, characterized in that the middle and lower bearing supports (36, 34) are respectively one of sliding and rolling bearing supports.
CNU2006201388265U 2006-09-26 2006-09-26 Positioning device for electronic expansion valve rotor and the electronic expansion valve Expired - Fee Related CN200965070Y (en)

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EP3671070A1 (en) * 2018-12-20 2020-06-24 Danfoss A/S Valve, in particular expansion valve
CN111365479A (en) * 2018-12-26 2020-07-03 浙江盾安禾田金属有限公司 Electronic expansion valve
CN113039399A (en) * 2018-12-20 2021-06-25 丹佛斯有限公司 Electric expansion valve

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3671070A1 (en) * 2018-12-20 2020-06-24 Danfoss A/S Valve, in particular expansion valve
WO2020126201A1 (en) * 2018-12-20 2020-06-25 Danfoss A/S Valve, in particular expansion valve
CN113039399A (en) * 2018-12-20 2021-06-25 丹佛斯有限公司 Electric expansion valve
CN113039399B (en) * 2018-12-20 2022-08-12 丹佛斯有限公司 Electric expansion valve
US12072039B2 (en) 2018-12-20 2024-08-27 Danfoss A/S Electric expansion valve
US12117215B2 (en) 2018-12-20 2024-10-15 Danfoss A/S Valve having a motor arranged inside a tube having sections with different diameters
CN111365479A (en) * 2018-12-26 2020-07-03 浙江盾安禾田金属有限公司 Electronic expansion valve
CN111365479B (en) * 2018-12-26 2022-08-26 浙江盾安禾田金属有限公司 Electronic expansion valve
CN110500434A (en) * 2019-09-25 2019-11-26 江西鸥迪铜业有限公司 A valve core for electronic expansion valve
CN110500434B (en) * 2019-09-25 2024-05-28 江西鸥迪铜业有限公司 Valve core for electronic expansion valve
CN111120664A (en) * 2019-12-20 2020-05-08 珠海格力电器股份有限公司 Electronic expansion valve and air conditioner
CN111120664B (en) * 2019-12-20 2021-02-02 珠海格力电器股份有限公司 Electronic expansion valve and air conditioner

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