CN208634403U - Auto electronic expansion valve - Google Patents
Auto electronic expansion valve Download PDFInfo
- Publication number
- CN208634403U CN208634403U CN201820891375.5U CN201820891375U CN208634403U CN 208634403 U CN208634403 U CN 208634403U CN 201820891375 U CN201820891375 U CN 201820891375U CN 208634403 U CN208634403 U CN 208634403U
- Authority
- CN
- China
- Prior art keywords
- shell
- valve body
- electronic expansion
- seal ring
- elastic seal
- 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.)
- Active
Links
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
Landscapes
- Valve Housings (AREA)
Abstract
The utility model relates to valve technology fields, more particularly to a kind of auto electronic expansion valve.A kind of auto electronic expansion valve, including valve body, and the shell to install coil block on the valve body, the valve body is equipped with attachment base, and it is mounted on the pivoted housing on the attachment base, the casing being located on the inside of the coil block is equipped in the shell, described sleeve pipe is connected to the pivoted housing, the auto electronic expansion valve further includes seal assembly, the seal assembly is placed outside the shell, and between the valve body and the shell, the seal assembly respectively with the valve body, described sleeve pipe and the shell abut, and with by the seal assembly by the valve body, connection sealed to each other between described sleeve pipe and the shell.Compared with the prior art, the advantages of the utility model are: structure is simple, sealing effect is good and sealing is more comprehensive.
Description
Technical field
The utility model relates to valve technology fields, more particularly to a kind of auto electronic expansion valve.
Background technique
Electric expansion valve is the important component in cooling/heating system, is mainly used for carrying out the flow of refrigerant fluid
It adjusts.Electric expansion valve mainly includes valve body structure, coil assembly, sealing ring, executing agency (thread screw mechanism) and phase
Close supplementary structure.The installation site of sealing ring generally comprises two kinds, the first: sealing ring is set in coil assembly, realizes
Sealing between coil assembly and valve body；Second: by sealing ring be set to valve body structure on, coil assembly be sheathed on valve body with
Realize the sealing between coil assembly and valve body.
And the first above-mentioned, sealing ring is set in coil assembly, when coil assembly is installed, is easily made in coil assembly
Portion feels suffocated, while frictional force is big, difficult to install and unsealing critical welding seams, poor sealing effect；Above-mentioned second, by sealing ring
On valve body structure, so that the structure of the setting installation sealing ring on valve body is needed, manufacture processing trouble.
Utility model content
Based on this, it is necessary in view of the above technical problems, it is swollen to provide the auto electronic that a kind of structure is simple, sealing effect is good
Swollen valve.
In order to achieve the above objectives, the utility model uses following technical proposal: a kind of auto electronic expansion valve, including valve
Body, and the shell to install coil block on the valve body, the valve body is equipped with attachment base, and is mounted on
Pivoted housing on the attachment base, the shell is interior to be equipped with the casing being located on the inside of the coil block, and described sleeve pipe is connected to institute
Pivoted housing is stated, the auto electronic expansion valve further includes seal assembly, and the seal assembly is placed outside the shell, and is located at described
Between valve body and the shell, the seal assembly is abutted with the valve body, described sleeve pipe and the shell respectively, and with it is logical
The seal assembly is crossed by connection sealed to each other between the valve body, described sleeve pipe and the shell.
In this application, by by seal assembly be set between valve body and shell, and seal assembly respectively with the valve
Body, described sleeve pipe and the shell abut, thus by company sealed to each other between the valve body, described sleeve pipe and the shell
Connect, with prevent condensed water, vapor, corrosive gas between the valve body and described sleeve pipe, the valve body and the shell
Between enter the shell, influence the use of the coil block, not only sealing effect it is good and seal it is more comprehensive；Secondly, outer
The seal assembly set, not only structure structure is simple, easy for installation and be more easier to process.
As a further improvement of the utility model, the seal assembly respectively with the valve body, attachment base, described
Pivoted housing, described sleeve pipe and the shell abut, and pass through the seal assembly for the valve body, the attachment base, described turn
Connection sealed to each other between set, described sleeve pipe and the shell.
By make the seal assembly respectively with the valve body, the attachment base, the pivoted housing, described sleeve pipe and described
Shell abuts, and further increases the effect of sealing and comprehensive.
The seal assembly includes being sheathed on described sleeve pipe and described turn as a further improvement of the utility model,
Elastic seal ring on set, and the stop ring being sheathed on the elastic seal ring.
The elastic seal ring has opposite to abut with the shell as a further improvement of the utility model,
First end face, and the second end face abutted with the valve body, realized by the first end face of the elastic seal ring described in
The sealing of the shell is realized in the sealing of shell by the second end face of the elastic seal ring.
As a further improvement of the utility model, the elastic seal ring have be oppositely arranged to described sleeve pipe
The medial surface of abutting realizes the sealing of the pivoted housing by the medial surface of the elastic seal ring.
The medial surface of the elastic seal ring is cylindrical surface as a further improvement of the utility model,.
The medial surface of the elastic seal ring is the cambered surface of projection as a further improvement of the utility model,
The height of the elastic seal ring is greater than the height of the stop ring as a further improvement of the utility model,.
The stop ring is plastics stop ring or metal stop ring as a further improvement of the utility model,.
The shell is equipped with to will be between the shell and the valve body as a further improvement of the utility model,
The connector of connection.
Compared with prior art, the automobile-used elastic sealing element by by seal assembly be set between valve body and shell, and
And seal assembly is abutted with the valve body, described sleeve pipe and the shell respectively, thus by the valve body, described sleeve pipe and
Connection sealed to each other between the shell, with prevent condensed water, vapor, corrosive gas from the valve body and described sleeve pipe it
Between, enter the shell between the valve body and the shell, influence the use of the coil block, not only sealing effect it is good and
It seals more comprehensive；Secondly, external seal assembly, not only structure structure is simple, easy for installation and be more easier to process.
Detailed description of the invention
Fig. 1 is the main view of this practical new auto electronic expansion valve provided；
Fig. 2 is the partial sectional view of this practical new auto electronic expansion valve provided；
Fig. 3 is the structure schematic diagram of an embodiment knot of this practical new elastic seal ring provided；
Fig. 4 is the structure schematic diagram of an embodiment knot of this practical new elastic seal ring provided；
Fig. 5 is the structural schematic diagram of the other embodiments of this practical new elastic seal ring provided.
In figure, auto electronic expansion valve 100, valve body 10, attachment base 11, pivoted housing 12, casing 13, casing first end 131,
The second end 132 of casing, connection sheet 14, fixation hole 15, rotor assembly 20, rotor 21, pinboard 22, screw arbor assembly 30, screw rod
31, swivel nut 32, needle component 40, main valve body 41, valve port 411, needle 42, coil block 50, coil unit 51, stator 511, line
Enclose 512, shell 60, accommodating chamber 61, installation cavity 62, mounting portion 63, connector 64, fastener 65, seal assembly 70, elastic packing
Circle 71, sealing hole 71a, the first end face 711 of elastic seal ring, the second end face of elastic seal ring 712, elastic seal ring it is interior
Side 713, the lateral surface 714 of elastic seal ring, stop ring 72.
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that it can be directly on another component when component is referred to as " being installed in " another component
Or there may also be components placed in the middle.When a component is considered as " being set to " another component, it, which can be, is directly set
Set on another component or may be simultaneously present component placed in the middle.When a component is considered as " being fixed on " another group
Part, it, which can be, is directly anchored on another component or may be simultaneously present component placed in the middle.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
Any and all combinations of one or more related listed items.
Referring to Fig. 1, the utility model provides a kind of auto electronic expansion valve 100, the auto electronic expansion valve 100 is answered
For the mounted air conditioner systems such as automobile, train hole, to the adjusting to refrigerant fluid flow.
Referring to Fig. 2, the auto electronic expansion valve 100 includes valve body 10, rotor assembly 20, screw arbor assembly 30, needle
Component 40, coil block 50, shell 60 and seal assembly 70.The rotor assembly 20, the needle component 40 are set to described
On valve body 10.The rotor assembly 20, the coil block 50 are set in the shell 60.One end of the screw arbor assembly 30 with
The rotor assembly 20 connects, and the other end is connect with the needle component 40.The shell 60 is set on the valve body 10, described
Seal assembly 70 is external with the shell 10 and between the valve body 10 and the shell 60, to by the valve body 10 with
It is sealed between the shell 60.The coil block 50, which is powered, generates the magnetic field drive rotation of rotor assembly 20, in turn, described
Rotor assembly 20 drives the screw arbor assembly 30 to move, so that the needle component 40 movement realizes that the auto electronic is swollen
Unlatching/closing of swollen valve 100, to achieve the purpose that control flow.
The valve body 10 is generally rectangular shaped.Certainly, in other embodiments, the valve body 10 can also be in other shapes,
Such as: cylinder etc..
The pivoted housing 12 that the valve body 10 is equipped with attachment base 11 and is mounted on the attachment base 11.The attachment base
It uses and is threadedly coupled between 11 and the valve body 10.Connected between the pivoted housing 12 and the attachment base 11 using submerged arc welding
It connects.It certainly, in other embodiments, can also be using other connection sides such as bolts between the pivoted housing 12 and the attachment base 11
Formula is attached.
The pivoted housing 12 is equipped with casing 13 and connection sheet 14.Described sleeve pipe 13 have be oppositely arranged to it is described
The first end 131 and protrude into the second end 132 in the shell 60 that pivoted housing connects.The coil block 50 is sheathed on described sleeve pipe
On 13.The rotor assembly 20 and screw arbor assembly 30 are set in described sleeve pipe 13.
Further, Laser Welding or argon arc welding welding are used between the first end 131 and the pivoted housing 12 of described sleeve pipe.
It certainly, in other embodiments, can also be using other connection types such as bolts between the pivoted housing 12 and the attachment base 11
It is attached.
Be fixedly connected between the connection sheet 14 and the pivoted housing 12, the connection sheet 14 to the screw arbor assembly 30
Cooperation, realizes the installation of the screw arbor assembly 30.
Further, on the valve body 10 can with fixation hole 15, the fixation hole 15 to realize the valve body 10 with
Connection between the shell 60.
The rotor assembly 20 includes the rotor 21 in described sleeve pipe 13, and to install the screw arbor assembly 30
Pinboard 22.The magnetic field that the energization of coil block 50 generates rotates the rotor 21, to transport with the screw arbor assembly 30
It is dynamic.
30 component of screw arbor assembly includes screw rod 31 and the swivel nut 32 that is threadedly coupled with the screw rod 31.The spiral shell
Bar 31 has the first end and second end being oppositely arranged, and the first end of the screw rod 31 is connect with the pinboard 22, the spiral shell
The second end of bar 31 is arranged in the swivel nut 32, and connect with the needle component 40.
One end of the swivel nut 32 connects and the rotor 21, in other end connection and the connection sheet 14, to realize
State the installation of swivel nut 32.
The needle component 40 includes the main valve body 41 on the valve body 10 and slides between the main valve body 41
The needle 42 of dynamic connection.The upper main valve body 41 is equipped with valve port 411, and the second end of the needle 42 and the screw rod 30 connects
It connects, the screw rod 30 drives the movement of needle 42 to control unlatching/closing of the valve port 411, to realize the electronics
Unlatching/closing of expansion valve 100.
Main valve body 41 is equipped with valve needle cover (not shown), and the needle 42 is set on the valve needle cover.The needle 42 with
Elastic component (not shown) is equipped between the screw rod 31, one end of the elastic component is abutted with the screw rod 31, the elastic component
The other end abutted with the needle 42.The screw rod 31 is rotated, to compress the elastic component, and in the effect of the elastic component
Needle 42 is driven to move under power.When the coil blackout, the elastic component restoring force effect under the screw rod 31 and
The needle 42 resets.
Coil block 50 includes multiple coil units 51.The coil 51 is located in the shell 10, and is sheathed on described
On casing 13.
Each coil unit 51 includes stator 511 and the coil 512 being wrapped on the stator 511.When described
When coil 512 is powered, the stator 511 generates a Vector Magnetic Field, and drives rotor 21 under the effect of the magnetic field force in the magnetic field
Rotation, so that the rotor 21 drives the screw rod 31 to move, to realize the movement of the needle 42.
The shell 60 be set to the valve body 10 on and with 10 split settings of valve body.The shell 60 can be plastics
Shell.Specifically, the shell 60 can be resin-case.
Further, have in the shell 60 to accommodate the accommodating chamber 61 of described sleeve pipe 13 and to install
State the installation cavity 62 of coil block 50.
The shell 60 is equipped with mounting portion 63, be equipped on the mounting portion 63 to 10 connector of valve body
64.Preferably, the connector 64 is equipped with connecting hole, described to connect to match with the fixation hole on the valve body 10,
And the connection between the valve body 10 and the shell 60 is realized by the locking of fastener 65.
Certainly, in other embodiments, the valve body 10 and the shell can also be realized by other connection types
Connection between 60.
The seal assembly 70, it is external with the shell 10 and between the valve body 10 and the shell 60.It is described
Seal assembly 70 is abutted with the valve body 10, described sleeve pipe 13 and the shell 60 respectively, and real by the sealing element 70
Between the existing valve body 10 and described sleeve pipe 13, between the valve body 10 and the shell 60 and described sleeve pipe 13 with it is described
Sealed connection between shell 60, prevent condensed water, vapor, corrosive gas between the valve body 10 and described sleeve pipe,
Enter in the shell 60 between the valve body 10 and the shell 60, between described sleeve pipe 13 and the shell 60.
Further, the seal assembly 70 respectively with the valve body 10, attachment base 11, the pivoted housing 12, described
Casing 13 and the shell 60 abut, and are realized between the valve body 10 and described sleeve pipe 13 by the sealing element 70, institute
State between valve body 10 and the shell 60 and between described sleeve pipe 13 and the shell 60, described sleeve pipe 13 and the pivoted housing
Sealing between 12, between the attachment base 11 and the valve body 10 and between the attachment base 11 and the pivoted housing 12 connects
It connects, to comprehensively seal the coil block 50, to prevent condensed water, vapor, corrosive gas from influencing the coil
The normal use and service life of component.
The seal assembly 70 includes the elastic seal ring 71 being sheathed on described in the pivoted housing 12 and described sleeve pipe 13,
And it is sheathed on the stop ring 72 on the elastic seal ring 71.
The elastic seal ring 71 have the opposite first end face 711 to be abutted with the shell 60, and with institute
The second end face 712 of the abutting of valve body 10 is stated, to realize by the first end face 711 of the elastic seal ring, second end face 712
Sealed connection between the valve body 10 and the shell 60.
Further, the second end face 712 of elastic seal ring is also abutted with the attachment base 11, realize the valve body 10 with
Sealing between the attachment base 11, to prevent condensed water, vapor, corrosivity gas from the attachment base 11 and the valve body
Enter the inside of valve body 10 between 10.
Sealing hole 71a is offered on the elastic seal ring 71.The pivoted housing 12 and described sleeve pipe 13 are from the sealing
Hole 71a is placed on the elastic seal ring 71.
The elastic seal ring 71 has the medial surface 713 and lateral surface 714 being oppositely arranged.The elastic seal ring
Medial surface 713 is the hole wall of the sealing hole 71a.The medial surface 713 of the elastic seal ring respectively with the pivoted housing 12, institute
The abutting of casing 13 is stated, to realize between the pivoted housing 12 and described sleeve pipe 13 by the medial surface 713 of the elastic seal ring
Sealing.
Further, the medial surface 713 of the first end face 711 of the elastic seal ring and the elastic seal ring cooperates,
Realize the sealed connection between described sleeve pipe 13 and the shell 60；The second end face 712 of elastic seal ring and the elasticity are close
The sealing between the attachment base 11, pivoted housing 12 is realized in the cooperation of medial surface 713 of seal.
Referring to Fig. 3, in one embodiment, the medial surface of the elastic seal ring 71 can be cylindrical surface.When the bullet
Property sealing ring 71 medial surface when being cylindrical surface, the elastic seal ring 71 and the valve body 10, the attachment base 11, described turn
Seal form between set 12, described sleeve pipe 13 and the shell 60, with the description described above elastic seal ring 71 with
One of seal form between the valve body 10, the attachment base 11, the pivoted housing 12, described sleeve pipe 13 and the shell 60
It causes.
Referring to Fig. 4, in another embodiment, the medial surface 713 of the elastic seal ring can be to the sealing hole
The cambered surface of projection in 71a.It is point contact between the medial surface and described sleeve pipe 13 of the elastic seal ring 71 when using cambered surface
Sealing.At this moment, elastic seal ring 71 can not be used to seal before the attachment base 11, pivoted housing 12 and described sleeve pipe 13.But
Between described sleeve pipe 13 and the shell 60, between the valve body 10 and described sleeve pipe 13, the valve body 10 is with the shell 60
Between be still through the elastic seal ring 71 connection sealed to each other.
Certainly, referring to Fig. 5, in other embodiments, the medial surface 713 of the elastic seal ring can also be justified by multistage
The conical surface and Cylinder Combination.At this point, the elastic seal ring 71 and the valve body 10, the attachment base 11, the pivoted housing 12,
Seal form between described sleeve pipe 13 and the shell 60 is any one in above-mentioned two embodiment.
Further, the height of the elastic seal ring 71 is greater than the height of the stop ring 72.Push the shell 60
Connection to squeeze the elastic seal ring 71, and on the connector is aligned with the fixation hole on the valve body 10, is then led to
Cross the locking of locking member 65.In this process, the first end face 711 of the elastic seal ring is contacted with the extruding of shell 60, described
The second end face 712 of elastic seal ring is contacted with the valve body 10 extruding, the medial surface 713 and the set of the elastic seal ring
Pipe 13 squeezes contact, thus to further improve the sealing effect of elastic seal ring.
Meanwhile during the elastic seal ring 71 pushes, it can be excluded in time by the gas of shell 60.To,
It not will form gas confinement chamber and hypertonia, shell caused to be difficult to assemble.
In addition, the elastic seal ring 71 has certain elasticity, so that being between the valve body 10 and the shell 60
Elastic Contact, so as to alleviate vibration.
Further, the stop ring 72 is plastics stop ring 72 or metal stop ring 72.The stop ring 72 is sheathed on
On the elastic seal ring 71.Herein, stop ring 72, when the shell 60 presses at the baffle ring 72, institute are set
It states connecting hole to be aligned with the fixation hole, the assembly efficiency of the shell 10 can be improved；Meanwhile the shell 60 can be prevented
Situations such as colliding the valve body 10 when pushing, causing the shell fragmentation.
Certainly, in the present embodiment, the auto electronic expansion valve 100 further includes control assembly 80, the control assembly
80, to issue control signal, control the energization or power-off of the coil block 50.Herein, the control assembly 80 is not this
Therefore the emphasis of the protection of utility model does not just remake the elaboration excessively for 80 detailed construction of control assembly.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of auto electronic expansion valve, including valve body, and the shell to install coil block on the valve body,
The valve body is equipped with attachment base, and the pivoted housing being mounted on the attachment base, is equipped in the shell and is located at the coil
Casing on the inside of component, described sleeve pipe are connected to the pivoted housing, which is characterized in that the auto electronic expansion valve further includes sealing
Component, the seal assembly are placed outside the shell, and between the valve body and the shell, the seal assembly difference
Abutted with the valve body, described sleeve pipe and the shell, and with by the seal assembly by the valve body, described sleeve pipe with
And connection sealed to each other between the shell.
2. auto electronic expansion valve according to claim 1, which is characterized in that the seal assembly respectively with the valve
Body, the attachment base, the pivoted housing, described sleeve pipe and the shell abut, and by the seal assembly by the valve body,
Connection sealed to each other between the attachment base, the pivoted housing, described sleeve pipe and the shell.
3. auto electronic expansion valve according to claim 1, which is characterized in that the seal assembly is described including being sheathed on
Elastic seal ring on casing and the pivoted housing, and the stop ring being sheathed on the elastic seal ring.
4. auto electronic expansion valve according to claim 3, which is characterized in that the elastic seal ring has opposite use
With the first end face abutted with the shell, and the second end face abutted with the valve body, pass through the elastic seal ring
First end face realizes the sealing of the shell, and the sealing of the shell is realized by the second end face of the elastic seal ring.
5. auto electronic expansion valve according to claim 4, which is characterized in that the elastic seal ring, which has, to be oppositely arranged
To the medial surface that is abutted with described sleeve pipe, the sealing of the pivoted housing is realized by the medial surface of the elastic seal ring.
6. auto electronic expansion valve according to claim 4, which is characterized in that the medial surface of the elastic seal ring is circle
Cylinder.
7. auto electronic expansion valve according to claim 4, which is characterized in that the medial surface of the elastic seal ring is convex
If cambered surface.
8. according to auto electronic expansion valve described in claim 3-7 Arbitrary Term, which is characterized in that the height of the elastic seal ring
Degree is greater than the height of the stop ring.
9. auto electronic expansion valve according to claim 7, which is characterized in that the stop ring is plastics stop ring or gold
Belong to stop ring.
10. auto electronic expansion valve according to claim 1, which is characterized in that the shell is equipped with to will be described
The connector connected between shell and the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820891375.5U CN208634403U (en) | 2018-06-06 | 2018-06-06 | Auto electronic expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820891375.5U CN208634403U (en) | 2018-06-06 | 2018-06-06 | Auto electronic expansion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208634403U true CN208634403U (en) | 2019-03-22 |
Family
ID=65734477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820891375.5U Active CN208634403U (en) | 2018-06-06 | 2018-06-06 | Auto electronic expansion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208634403U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114923013A (en) * | 2022-05-05 | 2022-08-19 | 广东威灵电机制造有限公司 | Electronic expansion valve and refrigeration equipment |
| CN117029319A (en) * | 2023-10-08 | 2023-11-10 | 理文科技(山东)股份有限公司 | Electronic expansion valve |
-
2018
- 2018-06-06 CN CN201820891375.5U patent/CN208634403U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114923013A (en) * | 2022-05-05 | 2022-08-19 | 广东威灵电机制造有限公司 | Electronic expansion valve and refrigeration equipment |
| CN117029319A (en) * | 2023-10-08 | 2023-11-10 | 理文科技(山东)股份有限公司 | Electronic expansion valve |
| CN117029319B (en) * | 2023-10-08 | 2024-01-09 | 理文科技(山东)股份有限公司 | Electronic expansion valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208634403U (en) | Auto electronic expansion valve | |
| EP1361368B8 (en) | Electric pump cooling system | |
| CN110014952A (en) | Charging connector, charging gun and vehicle and charging system | |
| BR0003067A (en) | High efficiency pneumatically driven electric power generator | |
| US7004728B2 (en) | Gas pressure driven fluid pump having an electronic cycle counter and method | |
| CN207999531U (en) | Safety valve | |
| CN214305423U (en) | Multifunctional gas circuit switching system device | |
| CN207750199U (en) | A kind of intelligent air compressor | |
| CN109237071A (en) | A kind of spiral airbag valve | |
| US4975026A (en) | Free-piston heat pump | |
| CN204329467U (en) | Intelligent gradevin | |
| KR20150081782A (en) | Electric drive compressor | |
| CN204783600U (en) | Varactor gauging contract machine solenoid valve and air conditioner system | |
| CN1158946A (en) | Automatic explosion-proof shutter for inflammable air | |
| CN205638835U (en) | Power drive compressor | |
| CN214008100U (en) | Novel inserting plate type electromagnetic valve | |
| CN221704014U (en) | Vertical multistage cryopump | |
| CN219953791U (en) | Stacked balance valve and hydraulic system | |
| CN221078037U (en) | Sealed cavity with reciprocating mechanism | |
| CN218671657U (en) | Automatic monitoring alarm device for pipeline leakage | |
| CN217785527U (en) | Air conditioning system with condenser end rear pipeline liquid seal prevention structure | |
| CN207246528U (en) | A kind of split type pneumatic control valve | |
| CN216741770U (en) | Gas generating set's gas control structure | |
| CN206617574U (en) | A kind of profit sealing device | |
| CN218440684U (en) | Split type easy-to-split butterfly valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |