CN107559433A - A kind of dehumidifying electric expansion valve of air-conditioning system - Google Patents
A kind of dehumidifying electric expansion valve of air-conditioning system Download PDFInfo
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- CN107559433A CN107559433A CN201610498256.9A CN201610498256A CN107559433A CN 107559433 A CN107559433 A CN 107559433A CN 201610498256 A CN201610498256 A CN 201610498256A CN 107559433 A CN107559433 A CN 107559433A
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- gear
- sliding block
- electric expansion
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- expansion valve
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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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Abstract
The invention discloses a kind of dehumidifying electric expansion valve of air-conditioning system,Belong to electric expansion valve field,It is big to solve existing dehumidifying electric expansion valve operating noise,The problem of valve opening poor performance,The dehumidifying electric expansion valve of the present invention includes valve body,Needle and the drive device for driving the pintle action,The dehumidifying electric expansion valve also includes gear reduction,Sliding block and stopping means,The valve body is provided with flow inlet,Small valve port and big valve port,The stopping means is used for the spacing sliding block,The small valve port is connected with big valve port by capillary,The needle is used to open and close the small valve port,When the small valve port is opened,The stopping means is removed from the sliding block,The gear reduction drives the sliding block to open the big valve port,So it is effectively improved noise problem,Lift valve opening performance,So as to ensure the reliable and stable operation of air-conditioning system.
Description
Technical field
The present invention relates to the dehumidifying electric expansion valve in electric expansion valve field, more particularly to a kind of air-conditioning system.
Background technology
In the air-conditioning system with the dehumidifying function of motion, room is generally formed by first heat exchanger and second heat exchanger
Inside heat exchanger, and be provided between two heat exchangers and dehumidifying electric expansion valve, when system convention operates, dehumidifying are set
Electric expansion valve is full-gear, so that two heat exchangers play function as one, when system dehumidification operates, dehumidifying
Electric expansion valve plays function as throttling arrangement, on high-tension side first heat exchanger is played function as condenser, makes low
The second heat exchanger of side is pressed to play function as evaporator.In actual use, because dehumidifying electric expansion valve is arranged on room
On interior machine, noise is had higher requirements, but during existing dehumidifying electric expansion valve valve opening, refrigerant fluid impact, which easily produces, makes an uproar
Sound, this noise are exaggerated indoors, user is thrown doubt upon product quality, reduce Consumer's Experience；In addition, existing dehumidifying electricity
Larger flow resistance be present after causing electric expansion valve standard-sized sheet, i.e., in air-conditioning system because coil block stroke is short, bore is small in sub- expansion valve
The larger pressure loss be present during conventional operating, there is large effect, and existing dehumidifying electric expansion valve to air conditioner performance
Design structure be mostly eccentric type structure, during high vibration, the component in electric expansion valve is easy to unsceptered.
The content of the invention
The technical problems to be solved by the invention are overcome the deficiencies in the prior art and provide a kind of removing for air-conditioning system
Wet electric expansion valve, noise problem is effectively improved, valve opening performance is lifted, so as to ensure the reliable and stable operation of air-conditioning system.
Solves above-mentioned technical problem, the present invention adopts the following technical scheme that：
A kind of dehumidifying electric expansion valve of air-conditioning system, including valve body, needle and for driving the driving of the pintle action to fill
Put, the dehumidifying electric expansion valve also includes gear reduction, sliding block and stopping means, the valve body provided with flow inlet,
Small valve port and big valve port, the stopping means are used for the spacing sliding block, and the small valve port is connected with big valve port by capillary,
The needle is used to open and close the small valve port, and when the small valve port is opened, the stopping means is removed from the sliding block, the tooth
Taking turns reducing gear drives the sliding block to open the big valve port.
Further scheme, the gear reduction include driving gear, travelling gear and driven gear, the active
Gear is driven by the drive device to be rotated, and the travelling gear is engaged between driving gear and driven gear, described driven
Gear connects the sliding block.
Further scheme, the travelling gear include alignment pin, gear wheel and little gear, the gear wheel, described
Little gear is sequentially coaxially arranged at the alignment pin, and the little gear has teeth portion and without teeth portion, the gear wheel with it is described
Driving gear engages, and when having the teeth portion engage with the driven gear of the little gear, drives driven gear to rotate.
Further scheme, the stopping means includes the banking stop and plectrum for being fixed on the travelling gear, described
Banking stop is fastened with the driven gear so that the sliding block is limited, and when the small valve port is opened, the plectrum is by described in
Banking stop is dialled from the driven gear so that the sliding block can move.
Further scheme, the plectrum and the banking stop are sequentially located at the bottom of the small gear teeth and are fixed on institute
Alignment pin is stated, one end of the banking stop is provided with spacing bubble, and the sliding block corresponds to the spacing bubble and is provided with spacing hole.It is described
Spacing bubble is embedded in the spacing hole, is moved for the spacing sliding block.
Further scheme, the banking stop are provided with convex bubble between the spacing bubble and the alignment pin.Described group
The bottom of piece corresponds to the convex bubble and is provided with tongue, and the plectrum will be pushed up by the tongue under the convex bubble, make the limit
Bit slice comes off from the driven gear.
Further scheme, the drive device include magnet rotor, screw rod and nut seat, the screw rod and nut seat spiral shell
Line coordinates, and the magnet rotor is used to drive the screw rod to rotate, and the magnet rotor connects the needle, and the driving gear is located at
On the screw rod.
Further scheme, flexible member is additionally provided with the valve body, the flexible member is acted on the sliding block,
So that the sliding block is closely attached at the big valve port.
Further scheme, the driven gear are integrally formed with the sliding block, and the bottom of the driven gear is higher than
The bottom of the sliding block.
Further scheme, the big valve port are connected with discharge connection, and the capillary is connected on the discharge connection,
The capillary is spirally wound on the discharge connection.
Beneficial effects of the present invention：
First, dehumidifying electric expansion valve of the invention, sets flow inlet, small valve port and big valve port on its valve body, small valve port and big
Valve port is connected by capillary, and needle is used to open and close small valve port, and when small valve port is opened, gear reduction band movable slider is opened big
Valve port, being so designed that is advantageous in that：1st, refrigerant enters capillary, capillary after flow inlet enters valve body by small valve port
Pipe plays cushioning effect, and in capillary process is flowed through, its Fluid pressure is slowly released refrigerant, is dashed forward so as to alleviate fluid
So operating noise caused by release impact；2nd, due to the cushioning effect of capillary convection body pressure, the pressure difference of big valve mouth inner and outer side
Reduce, i.e., the pressure difference of sliding block both sides reduces, so that valve opening performance improves；3rd, due to the design of small valve port and big valve port, in sky
When adjusting system routinely operates, small valve port, big valve port are opened successively, and dehumidifying electric expansion valve completes two from small guide vane to full gate
Segmentation working method, Fluid pressure progressively discharge, and effectively reduce refrigerant flow resistance, and then reduce when air-conditioning system routinely operates and deposit
The pressure loss, so as to ensure the reliable and stable operation of air-conditioning system；4. because the stopping means is to the limit of the sliding block
Position design so that dehumidifying electric expansion valve sliding block in high vibration is not easy unsceptered.
2nd, gear reduction includes driving gear, travelling gear and driven gear, and the driving gear is by the driving
Device driving rotation, the travelling gear are engaged between driving gear and driven gear, and the driven gear connects the cunning
Block, by multiple stage gear reduction, valve opening torque is added, can meet that the flow control of big refrigerating capacity air-conditioning system requires.
3rd, travelling gear includes the gear wheel that is coaxially disposed and little gear, and the little gear has teeth portion and without teeth portion,
The gear wheel engages with the driving gear, and the little gear drives driven tooth when having teeth portion to be engaged with the driven gear
Wheel rotation.Travelling gear uses duplicate gear, simple in construction, be easy to assemble.
4th, drive device includes magnet rotor, screw rod and nut seat, and the screw rod coordinates with nut seat screw thread, and the magnetic turns
Son is used to drive the screw rod to rotate, and the magnet rotor connects the needle, and the driving gear is located on the screw rod.Will be main
Moving gear is located on screw rod, is simplified assembling structure, is reduced cost.
5th, flexible member is additionally provided with valve body, the flexible member is acted on the sliding block, so that the sliding block is adjacent to
At the big valve port.Under small guide vane state, sliding block is reliably closed big valve port, reduce refrigerant letting out at big valve port
Leakage.
6th, driven gear is integrally formed with the sliding block.Simplify assembling structure, reduce cost, the bottom of the driven gear
Portion is higher than the bottom of the sliding block so that the stopping means is easy to set up in the lower section of the driven gear 93.
7th, big valve port is connected with discharge connection, and the capillary is connected on discharge connection and the spiral on discharge connection
Winding, can so extend the path that refrigerant circulates from small valve port to big valve port, as much as possible releasing fluid pressure, further subtract
The pressure difference of few sliding block both sides.
The present invention these features and advantage will be detailed in following embodiment, accompanying drawing exposure.
【Brief description of the drawings】
The present invention is described further below in conjunction with the accompanying drawings：
Fig. 1 is the dimensional structure diagram of dehumidifying electric expansion valve in the preferred embodiment of the present invention；
The sectional view of dehumidifying electric expansion valve in the preferred embodiment of the present invention of Fig. 2 positions；
Fig. 3 is front view when electric expansion valve original state is dehumidified in the preferred embodiment of the present invention；
Fig. 4 is Fig. 3 top view（Remove bonnet）；
Fig. 5 is the dimensional structure diagram of the subelement of dehumidifying electric expansion valve in the preferred embodiment of the present invention；
The dimensional structure diagram of the stopping means of dehumidifying electric expansion valve in Fig. 6 preferred embodiment of the present invention；
Fig. 7 is front view when electric expansion valve small guide vane state is dehumidified in the preferred embodiment of the present invention；
Fig. 8 is Fig. 7 top view（Remove bonnet）；
Fig. 9 is front view when electric expansion valve full gate state is dehumidified in the preferred embodiment of the present invention；
Figure 10 is Fig. 9 top view（Remove bonnet）.
【Embodiment】
The technical scheme of the embodiment of the present invention is explained and illustrated with reference to the accompanying drawing of the embodiment of the present invention, but following realities
It is only the preferred embodiments of the present invention to apply example, and not all.Based on the embodiment in embodiment, those skilled in the art are not having
Other embodiment is obtained on the premise of making creative work, belongs to protection scope of the present invention.
The dehumidifying electric expansion valve proposed referring to figs. 1 to Fig. 3, the preferred embodiment of the present invention, including valve body 1, needle 6 and use
In the drive device 5 for driving the needle 6 to act, valve body 1 is interior to be provided with gear reduction, sliding block 8 and stopping means, valve body 1
It is provided with flow inlet 16, small valve port 13 and big valve port 10, the stopping means is used for the spacing sliding block 8, small valve port 13 and greatly
Valve port 10 is connected by capillary 2, and needle 6 is used to open and close small valve port 13, and sliding block 8 is used to open and close big valve port 10, and works as small valve port
During 13 unlatching, the stopping means is removed from the sliding block 8, and gear reduction band movable slider 8 opens big valve port 10.Due to hair
The setting of tubule 2, when dehumidifying electric expansion valve work, refrigerant is entered after flow inlet 16 enters valve body 1 by small valve port 13
Entering capillary 2, capillary 2 plays cushioning effect, and during capillary 2 is flowed through, its Fluid pressure is slowly released refrigerant,
So as to alleviate operating noise caused by fluid discharges impact suddenly；Furthermore because the buffering of the fluid pressure of capillary 2 is made
With the pressure difference in outside reduces in big valve port 10, i.e., the pressure difference of the both sides of sliding block 8 reduces, so that valve opening performance improves；Due to described
Spacing design of the stopping means to the sliding block 8 so that dehumidifying electric expansion valve sliding block in high vibration is not easy
It is unsceptered；Due to the design of small valve port 13 and big valve port 10, when air-conditioning system routinely operates, small valve port 13, big valve port 10 are successively
Open, dehumidifying electric expansion valve completes the two-period form working method from small guide vane to full gate, and Fluid pressure progressively discharges, effectively
Reduce refrigerant flow resistance, and then reduce existing pressure loss when air-conditioning system routinely operates, so as to ensure that air-conditioning system is steady
Determine reliability service.
Specifically, the valve body 1 of the present embodiment includes bonnet 11 and base 12, and bonnet 11 and the connection of base 12 form valve
Chamber, said gear reducing gear and sliding block 8 are arranged in the valve pocket, and above-mentioned flow inlet 16, small valve port 13 and big valve port 10 are equal
It is arranged on base 12.In the present embodiment, small valve port 13 and drive device 5 may be contained within the center of valve body 1, and of the invention removes
Wet electric expansion valve designs equivalent to other eccentric type structures, and difficulty of processing substantially reduces.In the present embodiment, small valve port 13
Section be T fonts, the bottom of small valve port 13 is connected with capillary 2, and small valve port 13 and the split of base 12 design, small valve port 13 with
Base 12 between each other can be by being welded and fixed.
State as described in Figure 4, needle 6 now close small valve port 13, and sliding block 8 is covered at big valve port 10 and closed,
Flow inlet 16 is normally open.The gear reduction of the present embodiment includes driving gear 91, travelling gear 92 and driven gear
93, driving gear 91 drives rotation by drive device 5, and travelling gear 92 is engaged between driving gear 91 and driven gear 93,
The connection sliding block 8 of driven gear 93.The scheme of the present embodiment is added valve opening torque, can met big by multiple stage gear reduction
The flow control of refrigerating capacity air-conditioning system requires.
Please with reference to Fig. 5, preferably：The travelling gear 92 of the present embodiment uses duplicate gear, i.e. travelling gear 92 wraps
Include alignment pin 920, be coaxially disposed gear wheel 921 and little gear 922 in alignment pin 920, the number of teeth of gear wheel 921 is more than little gear
922 numbers of teeth, and the two angular speed is identical, so deceleration transmission can be realized, meets that high pulling torque exports；Wherein, little gear 922 is set
There is teeth portion 9222 and without teeth portion 9221, specifically, the periphery half of little gear 922 sets some double wedges formed with teeth portion
9222, second half is that smooth surface is formed without teeth portion 9221, only has teeth portion 9222 to be engaged with driven gear 93 when little gear 922
Shi Caineng is transferred power on driven gear 93, and so as to drive driven gear 93 to rotate, sliding block 8 connects driven gear 93, by
This can realize that driven gear 93 moves with movable slider 8, sliding block 8 is opened or close big valve port 10.The sliding block 8 of the present embodiment with
Driven gear 93 is formed in one structure, simplifies assembling structure, reduces cost, the bottom of the driven gear 93 is higher than described
The bottom of sliding block 8 so that the stopping means is easy to set up in the lower section of the driven gear 93.Certainly, the present invention its
In his embodiment, sliding block and driven gear can be molded with split, and the two is attached by machining mode, the stopping means
Also the lower section that the sliding block can be directly arranged at is used for the spacing sliding block.
Please with reference to Fig. 6, preferably：The stopping means of the present embodiment includes the plectrum for being fixed on the travelling gear 92
101 and banking stop 102.The banking stop 102 is fastened with the driven gear 93 so that the sliding block 8 is limited.It is described small
When valve port 13 is opened, the travelling gear 92 rotates, and drives the plectrum 101 to rotate, and the plectrum 101 is by the banking stop
102 dial from the driven gear 92.The plectrum 101 and the banking stop 102 are sequentially located at the bottom of the small gear teeth 922
And the alignment pin 920 is fixed on, one end of the banking stop 102 is provided with spacing bubble 104, and the sliding block 8 corresponds to the limit
Position bubble 104 is provided with spacing hole.The spacing bubble 104 is embedded in the spacing hole, is moved for the spacing sliding block 8.Institute
State banking stop 102 and be provided with convex bubble 105 between the spacing bubble 104 and the alignment pin 920.The bottom pair of the plectrum 101
Convex bubble 105 is provided with tongue 103 described in Ying Yu.The plectrum 101 by the tongue 103 by it is described it is convex bubble 105 time push up, make institute
Banking stop 102 is stated to come off from the driven gear 93.
Preferably：Flexible member is additionally provided with the valve body 1 of the present embodiment, the flexible member is acted on sliding block 8, so that sliding
Block 8 is closely attached at big valve port 10.Under the electric expansion valve small guide vane state that dehumidifies, it is only necessary to open small valve port 13, at this moment to protect
The sealing at big valve port 10 is demonstrate,proved, but because sliding block has pressure difference in both sides about 8, refrigerant easily leaks at big valve port 10.
The flexible member of the present embodiment is preferably flat spring 7, and the flat spring 7 is substantially trapezoidal, and the upper end of flat spring 7 is fixed on bonnet 11
On, under the big closed mode of valve port 10, the bending section of flat spring 7 is against on the upper surface of sliding block 8 and is downwardly applied to certain pressure, from
And make it that sliding block 8 is closely attached at big valve port 10, ensure sealing.In other embodiments of the invention, flexible member can be with
It is spring, metal clips etc..
The drive device 5 of the present embodiment includes magnet rotor 53, screw rod 52 and nut seat 51, screw rod 52 and the screw thread of nut seat 51
Coordinate, magnet rotor 53 is rotated for drive screw 52, and magnet rotor 53 connects needle 6, and driving gear 91 is located on screw rod 52.Specifically
For, a positioning seat 15 is provided with the upper end of valve body 1, is fixed with sleeve pipe 14 on positioning seat 15, the outer cover of sleeve pipe 14 has coil group
Part（Not shown in figure）, drive device 5 is assemblied in sleeve pipe 14, wherein, nut seat 51 is fixedly connected on positioning seat 15, screw rod
52 are vertically set through nut seat 51, and the part of screw rod 52 forms screw thread matching relationship with nut seat 51, and the upper end of screw rod 52 is fixed
Magnet rotor 53 is connected, the lower end of screw rod 52 connects needle 6, preferably：The needle 6 of the present embodiment is integrally formed with screw rod 52, convenient
Processing and assembling, in other embodiments of the invention, needle and screw rod can also split be molded, the two passes through machining mode
It is attached.Because the relative screw rod 52 of nut seat 51 is fixed, while magnet rotor 53 drives the rotation of screw rod 52, spiral shell can be achieved
The up and down motion of bar 52, the keying of small valve port 13 is realized with this.In the present embodiment, to simplify assembling structure, cost is reduced, it is above-mentioned
Driving gear 91 be located on screw rod 52, driving gear 91 can be fixed on screw rod 52 by machining mode, can also be with
Screw rod 52 is integrally formed.
To ensure that displacement of the screw rod 52 along the axial direction of nut seat 53 is carried out, it is necessary to set stop device within a predetermined range.This
The stop device of embodiment includes Sealing shield ring 61 and spring guide rail 62, and stopper section, spring guide rail are formed at the top of spring guide rail 62
Lower stopper section is formed at 62 bottoms, and spring guide rail 62 is sleeved on nut seat 51, Sealing shield ring 61 can in the presence of magnet rotor 53 edge
The rotation of spring guide rail 62 and axial displacement, until offseted with upper retainer or lower retainer, in the present embodiment, stop dress
The axial displacement for limiting screw rod 52 is put equivalent to the rotating cycle for defining screw rod 52 and driving gear 91, passes through gear reduction unit
The transmission of structure, also just define the swing angle of sliding block 8.
Preferably：For ease of the heat exchanger in connection system, inlet connection 4 is connected with the flow inlet 16 of valve body 1, greatly
It is connected with discharge connection 3 at valve port 10, in the present embodiment, above-mentioned one end of capillary 2 is connected to small valve port 13, and capillary 2 is another
End is connected on discharge connection 3, and the connection of small valve port 13 and big valve port 10 is realized with this.More preferably：Capillary 2 is spirally wound on
On discharge connection 3, i.e. capillary 2 is before connection outlet adapter 3, first in some circles of periphery spiral winding of discharge connection 3, such energy
Extend the path that refrigerant circulates from small valve port 13 to big valve port 10, as much as possible releasing fluid pressure, further reduce sliding block 8
The pressure difference of both sides.
The operation principle of the present embodiment：
Reference picture 3,4, under original state, needle 6 closes small valve port 13, sliding block 8 is covered at big valve port 10 and closed, described
Banking stop 102 fastens with the driven gear 93, and the sliding block 8 is spacing；Reference picture 7,8, under small guide vane state, magnet rotor
53 drive screw rods 52 rotate, and screw rod 52 drives needle 6 to rise, to open small valve port 13, in the small opening procedure of valve port 13, and little gear
922 have teeth portion 9222 not engaged with driven gear 93, and the driven gear 93 do not rotate, and keep in situ so sliding；
After small valve port 13 is opened, refrigerant flows out from small valve port 13, capillary 2, discharge connection 3, and the little gear 922 has teeth portion
9222 start to engage with driven gear 93, and now, the plectrum 101 is driven by the rotation of the travelling gear 92, are placed in described
The lower section of banking stop 102, the plectrum 101 by the tongue 103 by it is described it is convex bubble 105 time push up, make the banking stop 102 from
The driven gear 93 comes off；Reference picture 9,10, under full gate state, magnet rotor 53 continues to drive screw rod 52 to rotate, screw rod 52
Continue to drive needle 6 to rise, with the rotation of travelling gear 92, little gear 922 has teeth portion 9222 to be engaged with driven gear 93,
So as to drive driven gear 93 to rotate, driven gear 93 moves with movable slider 8, sliding block 8 is opened big valve port 10, reaches standard-sized sheet
Degree.During closing valve, when driven gear 93 rotates backward, the plectrum 101 is driven by the rotation of the travelling gear 92, from
The banking stop 102 is opened, the tongue 103 departs from the convex top of bubble 105, and banking stop 102 upwarps reset under elastic reaction,
Make the spacing insertion of bubble 104 spacing hole, continue the spacing sliding block 8.
Air-conditioning system routinely operate when, dehumidifying electric expansion valve be full-gear, i.e., dehumidifying electric expansion valve completion from
Two-period form working method of the small guide vane to full gate；When system is dehumidified, dehumidifying electric expansion valve is as throttling arrangement, only
Small valve port 13 is opened.
The embodiment of the present invention is applied to air-conditioning system.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, and is familiar with
The those skilled in the art should be understood that the present invention includes but is not limited to accompanying drawing and interior described in embodiment above
Hold.The modification of any function and structure principle without departing from the present invention is intended to be included in the scope of claims.
Claims (10)
1. a kind of dehumidifying electric expansion valve of air-conditioning system, including valve body, needle and the driving for driving the pintle action
Device, the dehumidifying electric expansion valve also include gear reduction, sliding block and stopping means, and the valve body is provided with influent stream
Mouth, small valve port and big valve port, the stopping means are used for the spacing sliding block, and the small valve port and big valve port are connected by capillary
Logical, the needle is used to open and close the small valve port, and when the small valve port is opened, the stopping means is removed from the sliding block, institute
Stating gear reduction drives the sliding block to open the big valve port.
2. the dehumidifying electric expansion valve of air-conditioning system as claimed in claim 1, it is characterised in that the gear reduction includes
Driving gear, travelling gear and driven gear, the driving gear is driven by the drive device to be rotated, and the travelling gear is nibbled
Together between driving gear and driven gear, the driven gear connects the sliding block.
3. the dehumidifying electric expansion valve of air-conditioning system as claimed in claim 2, it is characterised in that the travelling gear includes positioning
Pin, gear wheel and little gear, the gear wheel, the little gear are sequentially coaxially arranged at the alignment pin, and the little gear is set
There is teeth portion and engaged without teeth portion, the gear wheel with the driving gear, the little gear has teeth portion and the driven tooth
Driven gear rotation is driven during wheel engagement.
4. the dehumidifying electric expansion valve of air-conditioning system as claimed in claim 3, it is characterised in that the stopping means includes fixing
In the banking stop and plectrum of the travelling gear, the banking stop is fastened with the driven gear so that the sliding block is limited
Position, when the small valve port is opened, the banking stop is dialled by the plectrum from the driven gear so that the sliding block can move
It is dynamic.
5. the dehumidifying electric expansion valve of air-conditioning system as claimed in claim 4, it is characterised in that the plectrum and the banking stop
It is sequentially located at the bottom of the small gear teeth and is fixed on the alignment pin, one end of the banking stop is provided with spacing bubble, the cunning
Block corresponds to the spacing bubble and is provided with spacing hole；The spacing bubble is embedded in the spacing hole, for the spacing sliding block
It is mobile.
6. the dehumidifying electric expansion valve of air-conditioning system as claimed in claim 5, it is characterised in that the banking stop is in described spacing
Convex bubble is provided between bubble and the alignment pin；The bottom of the plectrum corresponds to the convex bubble and is provided with tongue, and the plectrum leads to
Crossing the tongue will push up under the convex bubble, the banking stop is come off from the driven gear.
7. the dehumidifying electric expansion valve of air-conditioning system as claimed in claim 2, it is characterised in that the drive device turns including magnetic
Son, screw rod and nut seat, the screw rod coordinate with nut seat screw thread, and the magnet rotor is used to drive the screw rod to rotate, described
Magnet rotor connects the needle, and the driving gear is located on the screw rod.
8. the dehumidifying electric expansion valve of air-conditioning system as claimed in claim 2, it is characterised in that be additionally provided with elasticity in the valve body
Element, the flexible member are acted on the sliding block, so that the sliding block is closely attached at the big valve port.
9. the dehumidifying electric expansion valve of air-conditioning system as claimed in claim 2, it is characterised in that the driven gear and the cunning
Block is integrally formed, and the bottom of the driven gear is higher than the bottom of the sliding block.
10. the dehumidifying electric expansion valve of air-conditioning system as described in one of claim 1 to 9, it is characterised in that the big valve port connects
Discharge connection is connected to, the capillary is connected on the discharge connection, and the capillary is spirally wound on the discharge connection
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610498256.9A CN107559433B (en) | 2016-06-30 | 2016-06-30 | Dehumidification electronic expansion valve of air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610498256.9A CN107559433B (en) | 2016-06-30 | 2016-06-30 | Dehumidification electronic expansion valve of air conditioning system |
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| CN107559433A true CN107559433A (en) | 2018-01-09 |
| CN107559433B CN107559433B (en) | 2020-11-06 |
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| CN201610498256.9A Active CN107559433B (en) | 2016-06-30 | 2016-06-30 | Dehumidification electronic expansion valve of air conditioning system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220029A (en) * | 2019-07-10 | 2019-09-10 | 诸暨市亿霸电子阀门有限公司 | A kind of driving mechanism of electric expansion valve |
| CN110939745A (en) * | 2018-09-25 | 2020-03-31 | 浙江三花智能控制股份有限公司 | Electronic expansion valve |
| CN112013575A (en) * | 2019-05-31 | 2020-12-01 | 浙江三花智能控制股份有限公司 | Electronic expansion valve |
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| CN110939745A (en) * | 2018-09-25 | 2020-03-31 | 浙江三花智能控制股份有限公司 | Electronic expansion valve |
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| CN112013575A (en) * | 2019-05-31 | 2020-12-01 | 浙江三花智能控制股份有限公司 | Electronic expansion valve |
| CN110220029A (en) * | 2019-07-10 | 2019-09-10 | 诸暨市亿霸电子阀门有限公司 | A kind of driving mechanism of electric expansion valve |
| CN110220029B (en) * | 2019-07-10 | 2024-02-27 | 诸暨市亿霸电子阀门有限公司 | Driving mechanism of electronic expansion valve |
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| CN107559433B (en) | 2020-11-06 |
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