CN207999515U - A kind of electric expansion valve position-limit mechanism - Google Patents
A kind of electric expansion valve position-limit mechanism Download PDFInfo
- Publication number
- CN207999515U CN207999515U CN201820379183.6U CN201820379183U CN207999515U CN 207999515 U CN207999515 U CN 207999515U CN 201820379183 U CN201820379183 U CN 201820379183U CN 207999515 U CN207999515 U CN 207999515U
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- CN
- China
- Prior art keywords
- valve
- fixedly connected
- wall
- supporting sleeve
- electric expansion
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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
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- Electrically Driven Valve-Operating Means (AREA)
- Lift Valve (AREA)
Abstract
The utility model discloses a kind of electric expansion valve position-limit mechanisms, including valve body, the top of the valve body is fixedly connected with shell, the bottom of the valve body offers valve opening ontology, the bottom of the valve body is fixedly connected with efferent duct, it is communicated with input pipe on the right side of the valve body, the internal activity of the valve body is equipped with needle ontology and valve rod positioned at valve opening bodies top, the valve rod is located at the top of needle ontology, the surface of the needle ontology and valve rod is socketed with supporting sleeve, the valve rod is connect with thread of supporting sleeves, it is fixedly connected with compression spring at the top of the needle ontology.The electric expansion valve position-limit mechanism provides buffering for needle ontology by the way that compression spring is arranged in the bottom end of supporting sleeve, can slow down impact of the needle ontology to valve opening ontology, to make valve opening be unlikely to deform, the service life for extending valve opening uses to extend the service life of electric expansion valve convenient for people.
Description
Technical field
The utility model is related to electronic expansion valve technology field, specially a kind of electric expansion valve position-limit mechanism.
Background technology
Electric expansion valve is applied to voltage or electric current on expansion valve using the electric signal for being conditioned parameter generation, control,
And then achieve the purpose that adjust liquid supply rate, the actuator of existing electric expansion valve include mainly valve body, shell, coil, rotor,
Valve rod and needle send out instruction by controller, and control rotor rotates and reverse, to adjust opening between needle and valve opening
Degree adjusts the flow of refrigerant, but existing electric expansion valve can cause needle to generate impact to valve opening in switch, when long
Between using be easy to cause valve opening deform, be easy shorten electric expansion valve service life, be not easy to people use.
Utility model content
(One)The technical issues of solution
In view of the deficiencies of the prior art, the utility model provides a kind of electric expansion valve position-limit mechanism, and having can prolong
The advantages that long electric expansion valve service life, the needle for solving existing electric expansion valve can generate punching to valve opening at work
The problem of hitting, valve opening caused to deform, shortening electric expansion valve service life.
(Two)Technical solution
To realize that the above-mentioned purpose that can extend electric expansion valve service life, the utility model provide following technical side
Case:The top of a kind of electric expansion valve position-limit mechanism, including valve body, the valve body is fixedly connected with shell, the bottom of the valve body
Portion offers valve opening ontology, and the bottom of the valve body is fixedly connected with efferent duct, input pipe, institute are communicated on the right side of the valve body
The internal activity for stating valve body is equipped with needle ontology and valve rod positioned at valve opening bodies top, and the valve rod is located at needle ontology
The surface of top, the needle ontology and valve rod is socketed with supporting sleeve, and the valve rod is connect with thread of supporting sleeves, the needle
Compression spring is fixedly connected at the top of ontology, the top of the compression spring is fixedly connected with the inner wall of supporting sleeve, outside the supporting sleeve
Wall is socketed with supporting rack, and the outer wall of support frame as described above is fixedly connected with the inner wall of valve body, and the outer wall of the valve rod is fixedly connected with
The outer wall of rotor, the shell is socketed with coil.
Preferably, the outer wall of the valve rod is fixedly connected with the bearing positioned at rotor top, the outer wall and shell of the bearing
The inner wall of body is fixedly connected.
Preferably, the inner wall of support frame as described above is fixedly connected with the guide pad positioned at supporting sleeve both sides, the supporting sleeve
Both sides offer guide groove, and the guide pad is slidably connected in guide groove.
Preferably, the sealing shroud for being socketed in supporting sleeve surface is fixedly connected at the top of support frame as described above.
Preferably, the both sides on needle ontology top have been fixedly connected with limited block, and the inner wall of the supporting sleeve opens up
There are the limiting slot positioned at needle ontology both sides, the limited block to be slidably connected in limiting slot.
(Three)Advantageous effect
Compared with prior art, the utility model provides a kind of electric expansion valve position-limit mechanism, has following beneficial to effect
Fruit:
1, the electric expansion valve position-limit mechanism provides buffering by the way that compression spring is arranged in the bottom end of supporting sleeve for needle ontology,
Impact of the needle ontology to valve opening ontology can be slowed down, to make valve opening be unlikely to deform, extend the service life of valve opening, to prolong
The service life of long electric expansion valve uses convenient for people.
2, the electric expansion valve position-limit mechanism can support valve rod by the way that bearing is arranged, valve rod can more be stablized, just
Prompt rotation can be oriented to supporting sleeve, supporting sleeve can more be stablized upper by the way that guide pad and guide groove is arranged
Lower movement can increase the leakproofness of supporting rack by the way that sealing shroud is arranged, fluid is avoided largely to reveal, by be arranged limited block and
Limiting slot, what can be moved down to needle ontology most descends distance to limit, and allows needle ontology will not pushing away in compression spring
It is detached from from the inside of supporting sleeve under dynamic.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is the partial structurtes enlarged diagram at A in the utility model Fig. 1.
In figure:1 valve body, 2 shells, 3 valve opening ontologies, 4 efferent ducts, 5 input pipes, 6 needle ontologies, 7 valve rods, 8 supporting sleeves, 9
Rotor, 10 coils, 11 bearings, 12 guide pads, 13 guide grooves, 14 sealing shrouds, 15 compression springs, 16 limited blocks, 17 limiting slots, 18 supports
Frame.
Specific implementation mode
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
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, a kind of electric expansion valve position-limit mechanism, including valve body 1, the top of valve body 1 are fixedly connected with shell
The bottom of body 2, valve body 1 offers valve opening ontology 3, and the bottom of valve body 1 is fixedly connected with efferent duct 4, and the right side of valve body 1 is communicated with
Input pipe 5, the needle ontology 6 and valve rod 7, valve rod 7 that the internal activity of valve body 1 is equipped with positioned at 3 top of valve opening ontology are located at valve
The surface of the top of needle ontology 6, needle ontology 6 and valve rod 7 is socketed with supporting sleeve 8, and valve rod 7 is threadedly coupled with supporting sleeve 8, valve
The top of needle ontology 6 is fixedly connected with compression spring 15, and the top of compression spring 15 is fixedly connected with the inner wall of supporting sleeve 8, and needle ontology 6 pushes up
The both sides at end have been fixedly connected with limited block 16, and the inner wall of supporting sleeve 8 offers the limiting slot 17 positioned at 6 both sides of needle ontology,
Limited block 16 is slidably connected in limiting slot 17, can be to needle ontology 6 by the way that limited block 16 and limiting slot 17 is arranged
Lower movement most descends distance to be limited, and needle ontology 6 will not be detached from from the inside of supporting sleeve 8 under the promotion of compression spring 15,
The outer wall of supporting sleeve 8 is socketed with supporting rack 18, and the inner wall of supporting rack 18 is fixedly connected with the guide pad positioned at 8 both sides of supporting sleeve
12, the both sides of supporting sleeve 8 offer guide groove 13, and guide pad 12 is slidably connected in guide groove 13, by the way that guide pad is arranged
12 and guide groove 13, supporting sleeve 8 can be oriented to, allow what supporting sleeve 8 can more stablize to move up and down, supporting rack 18
Outer wall is fixedly connected with the inner wall of valve body 1, and the top of supporting rack 18 is fixedly connected with the sealing shroud for being socketed in 8 surface of supporting sleeve
14, it can increase the leakproofness of supporting rack 18 by the way that sealing shroud 14 is arranged, avoid fluid from largely revealing, the outer wall of valve rod 7 is fixed
It is connected with rotor 9, the outer wall of valve rod 7 is fixedly connected with the bearing 11 positioned at 9 top of rotor, outer wall and the shell 2 of bearing 11
Inner wall is fixedly connected, and can be supported valve rod 7 by the way that bearing 11 is arranged, valve rod 7 can more be stablized, easily be rotated, shell 2
Outer wall be socketed with coil 10, by the bottom end of supporting sleeve 8 be arranged compression spring 15 be needle ontology 6 buffering is provided, can slow down
Impact of the needle ontology 6 to valve opening ontology 3 extends the service life of valve opening to make valve opening be unlikely to deform, to extend electronics
The service life of expansion valve uses convenient for people.
When in use, it is rotated by the mating band ovable valve stem 7 of coil 10 and rotor 9, valve rod 7 drives supporting sleeve 8 to moving down
Dynamic, supporting sleeve 8 drives needle ontology 6 to move down by compression spring 15, after needle ontology 6 blocks valve opening ontology 3, needle sheet
Body 6 it is bigger than 3 diameter of valve opening ontology one at contacted with the inner wall of valve body 1, pass through compression spring when needle ontology 6 continues to move down
15 pairs its into row buffering, to extend the service life of valve opening ontology 3.
In conclusion the electric expansion valve position-limit mechanism, is needle ontology by the way that compression spring 15 is arranged in the bottom end of supporting sleeve 8
6 provide buffering, can slow down impact of the needle ontology 6 to valve opening ontology 3, to make valve opening be unlikely to deform, extend making for valve opening
With the service life, to extend the service life of electric expansion valve, the needle for solving existing electric expansion valve at work can be right
The problem of valve opening generates impact, and valve opening is caused to deform, shortening electric expansion valve service life.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of electric expansion valve position-limit mechanism, including valve body(1), it is characterised in that:The valve body(1)Top be fixedly connected
There is shell(2), the valve body(1)Bottom offer valve opening ontology(3), the valve body(1)Bottom be fixedly connected with output
Pipe(4), the valve body(1)Right side be communicated with input pipe(5), the valve body(1)Internal activity be equipped with positioned at valve opening sheet
Body(3)The needle ontology at top(6)And valve rod(7), the valve rod(7)Positioned at needle ontology(6)Top, the needle ontology
(6)And valve rod(7)Surface be socketed with supporting sleeve(8), the valve rod(7)With supporting sleeve(8)It is threadedly coupled, the needle sheet
Body(6)Top be fixedly connected with compression spring(15), the compression spring(15)Top and supporting sleeve(8)Inner wall be fixedly connected, institute
State supporting sleeve(8)Outer wall be socketed with supporting rack(18), support frame as described above(18)Outer wall and valve body(1)Inner wall fix connect
It connects, the valve rod(7)Outer wall be fixedly connected with rotor(9), the shell(2)Outer wall be socketed with coil(10).
2. a kind of electric expansion valve position-limit mechanism according to claim 1, it is characterised in that:The valve rod(7)Outer wall
It is fixedly connected with and is located at rotor(9)The bearing at top(11), the bearing(11)Outer wall and shell(2)Inner wall fix connect
It connects.
3. a kind of electric expansion valve position-limit mechanism according to claim 1, it is characterised in that:Support frame as described above(18)It is interior
Wall is fixedly connected with positioned at supporting sleeve(8)The guide pad of both sides(12), the supporting sleeve(8)Both sides offer guide groove
(13), the guide pad(12)It is slidably connected at guide groove(13)It is interior.
4. a kind of electric expansion valve position-limit mechanism according to claim 1, it is characterised in that:Support frame as described above(18)Top
Portion, which is fixedly connected with, is socketed in supporting sleeve(8)The sealing shroud on surface(14).
5. a kind of electric expansion valve position-limit mechanism according to claim 1, it is characterised in that:The needle ontology(6)Top
The both sides at end have been fixedly connected with limited block(16), the supporting sleeve(8)Inner wall offer positioned at needle ontology(6)Both sides
Limiting slot(17), the limited block(16)It is slidably connected at limiting slot(17)It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820379183.6U CN207999515U (en) | 2018-03-20 | 2018-03-20 | A kind of electric expansion valve position-limit mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820379183.6U CN207999515U (en) | 2018-03-20 | 2018-03-20 | A kind of electric expansion valve position-limit mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207999515U true CN207999515U (en) | 2018-10-23 |
Family
ID=63839926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820379183.6U Expired - Fee Related CN207999515U (en) | 2018-03-20 | 2018-03-20 | A kind of electric expansion valve position-limit mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207999515U (en) |
-
2018
- 2018-03-20 CN CN201820379183.6U patent/CN207999515U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181023 Termination date: 20210320 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |