CN209026210U - Electric expansion valve - Google Patents
Electric expansion valve Download PDFInfo
- Publication number
- CN209026210U CN209026210U CN201821687116.7U CN201821687116U CN209026210U CN 209026210 U CN209026210 U CN 209026210U CN 201821687116 U CN201821687116 U CN 201821687116U CN 209026210 U CN209026210 U CN 209026210U
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- Prior art keywords
- screw rod
- needle
- preloading spring
- valve
- electric expansion
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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
Abstract
The utility model provides a kind of electric expansion valve, which includes: valve body；Rotor is arranged in valve body；Nut part is arranged in valve body, and rotor is set on the outside of nut part；Screw rod is threaded through on nut part, and screw rod is threadedly coupled with nut part, and rotor is fixedly connected with screw rod；First preloading spring is arranged in valve body, and the first preloading spring is set on nut part, and the first end of the first preloading spring is abutted with valve body, and the second end of the first preloading spring is connect with rotor, and the first preloading spring is used to provide axial pre tightening force to rotor.Noise larger problem when electric expansion valve in the prior art uses is able to solve by the technical solution of the application.
Description
Technical field
The utility model relates to electronic expansion valve technology fields, in particular to a kind of electric expansion valve.
Background technique
As shown in Figure 1, existing electric expansion valve includes casing 1, rotor 2, screw rod 3, nut part 4, needle portion at present
Part 5 and valve seat 6.Wherein, screw rod 3 is threadedly coupled with nut part 4, and screw rod 3 is threaded through on nut part 4, and rotor 2 is arranged
It is fixedly connected on nut part 4, and with screw rod 3, external coil can make rotor 2 that screw rod 3 be driven to be risen in the energized state
Drop, the lower end of screw rod 3 are connect with needle component 5, are gone up and down by screw rod 3 and are driven 5 one lifting of needle component, to control fluid stream
Amount.
In the prior art, since screw rod 3 and nut part 4 are to be threadedly coupled, there is gap, so that screw rod between screw thread
3 can shake when opposing nut component 4 rotates, and then can generate loud noise, influence using effect.
Utility model content
The utility model provides a kind of electric expansion valve, with solve electric expansion valve in the prior art use when noise compared with
Big problem.
The utility model provides a kind of electric expansion valve, and electric expansion valve includes: valve body；Rotor is arranged in valve body；
Nut part is arranged in valve body, and rotor is set on the outside of nut part；Screw rod is threaded through on nut part, screw rod and nut
Component is threadedly coupled, and rotor is fixedly connected with screw rod；First preloading spring is arranged in valve body, and the first preloading spring is set in
On nut part, the first end of the first preloading spring is abutted with valve body, and the second end of the first preloading spring is connect with rotor, and first
Preloading spring is used to provide axial pre tightening force to rotor.
Further, rotor includes: magnet, is set in the outside of nut part；One end of magnet is arranged in connecting plate,
Screw rod is threaded through on connecting plate, and is connect with connecting plate, and the second end of the first preloading spring is connect with connecting plate.
Further, valve body includes: casing；Valve seat, rotor, nut part, screw rod and the first preloading spring are respectively provided with
Between casing and valve seat, the first end of the first preloading spring is abutted with the end face of valve seat.
Further, electric expansion valve further include: the first gasket is set in the outside of nut part, and the first gasket is set
It sets between the first preloading spring and valve seat, the first gasket is connect with the first end of the first preloading spring.
Further, the mounting hole that valve seat has valve chamber and is connected to valve chamber, electric expansion valve further include: needle group
Part is movably disposed in mounting hole, and screw rod is connect with needle component, needle component have closing valve port first position with
And open the second position of valve port.
Further, one end towards needle component of nut part is provided with the first position limiting structure, the first position limiting structure
Continued by the second position towards nut part movement for limiting needle component.
Further, the end face of one end towards needle component of nut part is provided with boss, and boss forms the first limit
Bit architecture.
Further, needle component includes: valve pocket, is movably disposed in mounting hole, and one end of screw rod and valve pocket connect
It connects；One end of needle, needle is movably disposed in valve pocket；Second preloading spring, be arranged in valve pocket, and be located at valve pocket and
Between needle, the second preloading spring is used to provide pretightning force to needle.
Further, needle component further include: the second position limiting structure is arranged between needle and screw rod, the second limit knot
Structure is used to limit the relative displacement of needle and screw rod.
Further, it is provided with the first limit hole on the one end of needle being located in valve pocket, the second position limiting structure includes: ball
Body, be arranged in valve pocket, and spherical part be arranged in the first limit hole；Second gasket is arranged between sphere and screw rod,
It is provided with the second limit hole on second gasket, is arranged in spherical part in the second limit hole, second preloading spring one end and valve
Set connection, the other end of the second preloading spring are connect with the second gasket.
Further, screw rod has the first end and second end being oppositely arranged, and nut part has through-hole, and through-hole has phase
To the first end and second end of setting, the first end of screw rod is threadedly coupled with the first end of through-hole, the second end and needle of screw rod
The second end of component connection, through-hole is arranged close to needle component, and the middle part of screw rod is optical axis, and the middle part of screw rod and through-hole are gap
Cooperation.
Using the technical solution of the utility model, the electric expansion valve include valve body, rotor, nut part, screw rod and
First preloading spring.Wherein, rotor is fixedly connected with screw rod, and the first preloading spring is arranged in valve body, pre-tightens bullet by first
Spring provides axial pre tightening force to rotor, axial pre tightening force can be transferred to screw rod, pass through screw rod also by axial pre tightening force,
The axial pre tightening force can eliminate the thread pitch between screw rod and nut part, keep the screw thread on screw rod and nut part close
Fitting, and then can shake in moving process to avoid screw rod, eliminate resulting noise.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the electric expansion valve of existing design offer；
Fig. 2 shows the structural schematic diagrams of electric expansion valve provided by the embodiment of the utility model；
Fig. 3 shows the cross-sectional view of nut part in Fig. 2.
Wherein, the above drawings include the following reference numerals:
1, casing；2, rotor；3, screw rod；4, nut part；5, needle component；6, valve seat；
10, valve body；11, casing；12, valve seat；12a, valve chamber；12b, mounting hole；20, rotor；21, magnet；22, it connects
Plate；30, nut part；31, the first position limiting structure；40, screw rod；50, the first preloading spring；60, the first gasket；70, needle group
Part；71, valve pocket；72, needle；73, the second preloading spring；74, sphere；75, the second gasket.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.
As shown in Fig. 2, the utility model embodiment provides a kind of electric expansion valve, the electric expansion valve include: valve body 10,
Rotor 20, nut part 30, screw rod 40 and the first preloading spring 50.Wherein, rotor 20, nut part 30, screw rod 40 and
First preloading spring 50 is arranged in valve body 10, and rotor 20 is set in 30 outside of nut part, and screw rod 40 is threaded through nut portions
On part 30, screw rod 40 is threadedly coupled with nut part 30, and rotor 20 is fixedly connected with screw rod 40.Rotor 20 is powered in external coil
It can rotate under state, rotor 20 is fixedly connected with screw rod 40, so that rotor 20 and screw rod 40 rotate synchronously, due to screw rod 40 and spiral shell
Auxiliary assembly 30 is threadedly coupled, so that 40 opposing nut component 30 of screw rod is axially moveable while rotation.First preloading spring 50
It is arranged in valve body 10, the first preloading spring 50 is set on nut part 30, the first end and valve body of the first preloading spring 50
10 abut, and the second end of the first preloading spring 50 connect with rotor 20, can be provided to rotor 20 by the first preloading spring 50
Axial pre tightening force.
The electric expansion valve provided through this embodiment specifically includes valve body 10, rotor 20, nut part 30, screw rod
40 and first preloading spring 50.Wherein, rotor 20 is fixedly connected with screw rod 40, and the first preloading spring is provided in valve body 10
50, axial pre tightening force is provided to rotor 20 by the first preloading spring 50, axial pre tightening force can be transferred to screw rod 40, makes to turn
Son 20 and screw rod 40 can be eliminated between screw rod 40 and nut part 30 by axial pre tightening force by the axial pre tightening force
Thread pitch fits closely the screw thread on screw rod 40 and nut part 30, and then can move up and down to avoid screw rod 40
It shakes in journey, and then resulting noise can be eliminated.Also, it can be improved the stability of device with this configuration,
It avoids extending the service life of device due to shaking bring abrasion.
Wherein, screw rod 40 has the first end and second end being oppositely arranged, and nut part 30 has through-hole, and through-hole has phase
To the first end and second end of setting, the first end of screw rod 40 is threadedly coupled with the first end of through-hole, the second end of screw rod 40 with
Needle component 70 connects, and the second end of through-hole is arranged close to needle component 70, and the middle part of screw rod 40 is optical axis, the middle part of screw rod 40
It is clearance fit with through-hole.By cooperating the via clearance at the middle part of screw rod 40 and nut part 30, nut portions can be utilized
Part 30 forms screw rod 40 and is oriented to, and improves the stability of apparatus structure.
Specifically, the rotor 20 includes: magnet 21 and connecting plate 22.Wherein, magnet 21 is set in the outer of nut part 30
One end of magnet 21 is arranged in side, connecting plate 22, and screw rod 40 is threaded through on connecting plate 22, and is connect with connecting plate 22, and first is pre-
The second end of tight spring 50 is connect with connecting plate 22.First preloading spring 50 by connecting plate 22 apply pretightning force so that with
The screw rod 40 that connecting plate 22 connects also can be by the pretightning force.By the way that the second end of the first preloading spring 50 is connected with connecting plate 22
It is connected together, can prevent the first preloading spring 50 from occurring mutually to rotate with connecting plate 22, and then the first preloading spring 50 is made
At abrasion, which can be improved the service life of the first preloading spring 50, and be avoided that the first preloading spring 50 and connecting plate
The 22 mutual abnormal sounds for rotating and generating.
Specifically, the valve body 10 includes: casing 11 and valve seat 12.Rotor 20, nut part 30, screw rod 40 and first are pre-
Tight spring 50 is arranged between casing 11 and valve seat 12, and the first end of the first preloading spring 50 is abutted with the end face of valve seat 12.
Wherein, which further includes the first gasket 60, and the first gasket 60 is set in the outside of nut part 30, and
First gasket 60 is arranged between the first preloading spring 50 and valve seat 12, the first end of the first gasket 60 and the first preloading spring 50
Connection.With this configuration, the first end of the first gasket 60 and the first preloading spring 50 is linked together, make the first gasket 60 with
First preloading spring 50 rotates synchronously, and is bonded using the first gasket 60 with valve seat 12, is being rotated to avoid the first preloading spring 50
Shi Fasheng abrasion.
In the present embodiment, the mounting hole 12b which has valve chamber 12a and be connected to valve chamber 12a, electronic expansion
Valve further includes needle component 70, and needle component 70 is movably disposed in mounting hole 12b, and one end of needle component 70 is located at
At valve chamber 12a, screw rod 40 is connect with needle component 70, and screw rod 40 drives needle component 70 mobile in the process of moving up and down, from
And makes needle component 70 that there is the first position of closing valve port and open the second position of valve port.
As shown in Figures 2 and 3, one end towards needle component 70 of nut part 30 is provided with the first position limiting structure 31,
Needle component 70 can be limited by the first position limiting structure 31 to be continued by the second position towards the movement of nut part 30.When screw rod 40
When needle component 70 being driven to move up, as shown in the figure i.e. when valve body is opened, to avoid needle component 70 excessively mobile, in spiral shell
The first position limiting structure 31 is arranged in one end towards needle component 70 of auxiliary assembly 30, when valve body opens to the maximum degree, utilizes the
One position limiting structure 31 is abutted with needle component 70, further mobile to limit needle component 70.
Specifically, it is provided with boss on the end face of one end towards needle component 70 of nut part 30, the boss shape
At the first position limiting structure 31.Wherein, boss is annular convex platform.
Wherein, which includes: valve pocket 71, needle 72 and the second preloading spring 73.Valve pocket 71 is movably
It is arranged in mounting hole 12b, one end of screw rod 40 is connect with valve pocket 71, and screw rod 40 drives needle component 70 whole by valve pocket 71
It is mobile.One end of needle 72 is movably disposed in valve pocket 71, and the other end of needle 72 passes through needle towards setting at valve port
72 open valve port or block valve port.Second preloading spring 73 is arranged in valve pocket 71, and between valve pocket 71 and needle 72, the
Two preloading springs 73 are used to provide pretightning force to needle 72, to pass through the second preloading spring when needle 72 is located at block-up position
73 pairs of needles 72 apply pressure, fit closely needle 72 with valve port, improve the sealing performance of valve body.
In the present embodiment, which further includes the second position limiting structure, and the second position limiting structure is arranged in needle 72
Between screw rod 40, the relative displacement of needle 72 Yu screw rod 40 can be limited by the second position limiting structure.Specifically, working as screw rod 40
Drive needle component 70 to move down, i.e., when mobile towards the direction of close port, needle 72 is abutted with valve port to be continued to move to,
And screw rod 40 will continue to move down, in order to avoid screw rod 40 is mobile excessively towards valve port direction, needle 72 and screw rod 40 it
Between the second position limiting structure is set, with limit screw rod 40 valve body close when position.In the present embodiment, it is tied using the first limit
Structure 31 limits the upward displacement of needle component 70, using the displacement that the second position limiting structure limitation screw rod 40 is downward, so by upper
State the maximum opening and minimum aperture of structure limiting valve body.Compared to the scheme in rotation direction setting position limiting structure, it is possible to reduce
Collision, reduces resulting abnormal sound.
Specifically, being provided with the first limit hole on the one end of needle 72 being located in valve pocket 71, the second position limiting structure includes:
Sphere 74 and the second gasket 75.Sphere 74 is arranged in valve pocket 71, and the second gasket 75 is arranged between sphere 74 and screw rod 40, the
The second limit hole is provided on two gaskets 75,74 a part of sphere is arranged in the first limit hole, and 74 a part setting of sphere exists
In second limit hole, 73 one end of the second preloading spring is connect with valve pocket 71, the other end and the second gasket of the second preloading spring 73
75 connections.Wherein, by the way that sphere 74 is arranged, needle 72 can be made to relatively move in valve pocket 71, so sealed to valve port
When stifled, position of the needle 72 with respect to valve port can be voluntarily adjusted, needle 72 is preferably bonded with valve port, further increases sealing
Performance.For the ease of fixed sphere 74, the second limit hole and the first limit are correspondingly arranged on the second gasket 75 and needle 72
Hole.Wherein, 73 part of the second preloading spring is set on the second gasket 75 and is fixedly connected with the second gasket 75, and second pre-tightens bullet
The other end of spring 73 is fixedly connected with valve pocket 71, and the second preloading spring 73 can be rotated with valve pocket 71, by the way that the second gasket 75 is arranged
With sphere 74, friction can reduce, and then reduce the mutual abrasion between structure, improve service using life, reduce device fortune
The noise generated when row.In the present embodiment, there is preset clearance between the second gasket 75 and the end of screw rod 40, by adjusting
The valve opening pulse of the adjustable expansion valve of the size of the preset clearance.
The electric expansion valve provided through this embodiment can be eliminated between the screw thread between screw rod 40 and nut part 30
Gap avoids 40 opposing nut component 30 of screw rod from shaking, and then eliminates between screw rod 40 and nut part 30 as produced by shaking
Abnormal sound, improve the stability of device, reduce the mutual abrasion between internal structure, extend the service life of device.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each shown in attached drawing
The size of a part is not to draw according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as awarding
Weigh part of specification.In shown here and discussion all examples, any occurrence should be construed as merely example
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar
Label and letter similar terms are indicated in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then with
In attached drawing afterwards do not need that it is further discussed.
In the description of the present invention, it should be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally,
Vertically, vertically, it is horizontal " and " pushing up, bottom " etc. indicated by orientation or positional relationship be normally based on orientation or position shown in the drawings
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, in the absence of explanation to the contrary, these nouns of locality
Do not indicate that and imply that signified device or element must have a particular orientation or be constructed and operated in a specific orientation, because
This should not be understood as the limitation to scope of protection of the utility model；The noun of locality " inside and outside " refers to the wheel relative to each component itself
Wide is inside and outside.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of utility model protection range.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (11)
1. a kind of electric expansion valve, which is characterized in that the electric expansion valve includes:
Valve body (10)；
Rotor (20), setting is in the valve body (10)；
Nut part (30), in the valve body (10), the rotor (20) is set on the outside of the nut part (30) for setting；
Screw rod (40) is threaded through on the nut part (30), and the screw rod (40) is threadedly coupled with the nut part (30),
The rotor (20) is fixedly connected with the screw rod (40)；
First preloading spring (50), in the valve body (10), first preloading spring (50) is set in the nut for setting
On component (30), the first end of first preloading spring (50) is abutted with the valve body (10), first preloading spring
(50) second end is connect with the rotor (20), and first preloading spring (50) is used to provide to the rotor (20) axial
Pretightning force.
2. electric expansion valve according to claim 1, which is characterized in that the rotor (20) includes:
Magnet (21), is set in the outside of the nut part (30)；
Connecting plate (22) is arranged in one end of the magnet (21), and the screw rod (40) is threaded through on the connecting plate (22), and
It is connect with the connecting plate (22), the second end of first preloading spring (50) is connect with the connecting plate (22).
3. electric expansion valve according to claim 1, which is characterized in that the valve body (10) includes:
Casing (11)；
Valve seat (12), the rotor (20), the nut part (30), the screw rod (40) and first preloading spring
(50) be arranged between described sleeve pipe (11) and the valve seat (12), the first end of first preloading spring (50) with it is described
The end face of valve seat (12) abuts.
4. electric expansion valve according to claim 3, which is characterized in that the electric expansion valve further include:
First gasket (60), is set in the outside of the nut part (30), and first gasket (60) setting is described the
Between one preloading spring (50) and the valve seat (12), first gasket (60) and the first of first preloading spring (50)
End connection.
5. electric expansion valve according to claim 3, which is characterized in that the valve seat (12) have valve chamber (12a) and
The mounting hole (12b) being connected to the valve chamber (12a), the electric expansion valve further include:
Needle component (70) is movably disposed in the mounting hole (12b), the screw rod (40) and the needle component
(70) it connects, the needle component (70) has the first position of closing valve port and opens the second position of valve port.
6. electric expansion valve according to claim 5, which is characterized in that the nut part (30) towards the needle
One end of component (70) is provided with the first position limiting structure (31), and first position limiting structure (31) is for limiting the needle component
(70) continued by the second position mobile towards the nut part (30).
7. electric expansion valve according to claim 6, which is characterized in that the nut part (30) towards the needle
The end face of one end of component (70) is provided with boss, and the boss forms first position limiting structure (31).
8. electric expansion valve according to claim 5, which is characterized in that the needle component (70) includes:
Valve pocket (71) is movably disposed in the mounting hole (12b), one end and the valve pocket (71) of the screw rod (40)
Connection；
Needle (72), one end of the needle (72) are movably disposed in the valve pocket (71)；
Second preloading spring (73), setting in the valve pocket (71), and be located at the valve pocket (71) and the needle (72) it
Between, second preloading spring (73) is used to provide pretightning force to the needle (72).
9. electric expansion valve according to claim 8, which is characterized in that the needle component (70) further include:
Second position limiting structure is arranged between the needle (72) and the screw rod (40), and second position limiting structure is for limiting
Make the relative displacement of the needle (72) Yu the screw rod (40).
10. electric expansion valve according to claim 9, which is characterized in that the needle (72) is located at the valve pocket
(71) the first limit hole is provided on one end in, second position limiting structure includes:
Sphere (74), setting is in the valve pocket (71), and the sphere (74) is partially disposed in first limit hole；
Second gasket (75) is arranged between the sphere (74) and the screw rod (40), is arranged on second gasket (75)
There is the second limit hole, the sphere (74) is partially disposed in second limit hole, second preloading spring (73) one
End is connect with the valve pocket (71), and the other end of second preloading spring (73) is connect with second gasket (75).
11. electric expansion valve according to claim 5, which is characterized in that the screw rod (40) has the be oppositely arranged
One end and second end, the nut part (30) have through-hole, and the through-hole has the first end and second end being oppositely arranged, institute
The first end for stating screw rod (40) is threadedly coupled with the first end of the through-hole, the second end and the needle group of the screw rod (40)
Part (70) connection, the second end of the through-hole are arranged close to the needle component (70), and the middle part of the screw rod (40) is optical axis,
The middle part of the screw rod (40) and the through-hole are clearance fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821687116.7U CN209026210U (en) | 2018-10-17 | 2018-10-17 | Electric expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821687116.7U CN209026210U (en) | 2018-10-17 | 2018-10-17 | Electric expansion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209026210U true CN209026210U (en) | 2019-06-25 |
Family
ID=66906582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821687116.7U Active CN209026210U (en) | 2018-10-17 | 2018-10-17 | Electric expansion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209026210U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020259657A1 (en) * | 2019-06-28 | 2020-12-30 | 浙江三花智能控制股份有限公司 | Electronic expansion valve |
| CN114623240A (en) * | 2020-12-11 | 2022-06-14 | 浙江盾安人工环境股份有限公司 | Valve needle assembly and electronic expansion valve with same |
-
2018
- 2018-10-17 CN CN201821687116.7U patent/CN209026210U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020259657A1 (en) * | 2019-06-28 | 2020-12-30 | 浙江三花智能控制股份有限公司 | Electronic expansion valve |
| CN114623240A (en) * | 2020-12-11 | 2022-06-14 | 浙江盾安人工环境股份有限公司 | Valve needle assembly and electronic expansion valve with same |
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