CN207501501U - The electric expansion valve that a kind of multichannel is divided equally - Google Patents
The electric expansion valve that a kind of multichannel is divided equally Download PDFInfo
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- CN207501501U CN207501501U CN201720534514.4U CN201720534514U CN207501501U CN 207501501 U CN207501501 U CN 207501501U CN 201720534514 U CN201720534514 U CN 201720534514U CN 207501501 U CN207501501 U CN 207501501U
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- valve
- valve body
- spool
- electric expansion
- divided equally
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Abstract
The utility model is related to the electric expansion valves that a kind of expansion valve more particularly to a kind of multichannel are divided equally.It includes valve body, the admission inlet being arranged on valve body, it is arranged on multiple shuntings outlet on valve body, the valve chamber being arranged in valve body and the refrigerant logical circulation road being arranged in valve body, valve chamber is connected by refrigerant logical circulation road with admission inlet and shunting outlet respectively, the downstream of refrigerant logical circulation road flow to shunting exit and is separated by the first valve body being arranged in valve body, each shunting exit is corresponded on first valve body and is equipped with the first valve opening, the spool coordinated with it is equipped at first valve opening, first throttle portion is formed between spool and the first valve opening, spool is equipped with the driving portion of driving spool.The utility model is simple in structure, easy to operate, eliminates the structure design from expansion valve to current divider circuit so that the expansion valve machine plays throttling action, and with uniform shunting function, improves the accuracy of shunting, reduce production cost.
Description
Technical field
The utility model is related to the electric expansion valves that a kind of expansion valve more particularly to a kind of multichannel are divided equally.
Background technology
In ice cube ice making equipment, there is a situation where that ice making mold is made of multiple accesses, in ice-making process, pass through pressure
The refrigerant of contracting machine pressurization is condensed within the condenser, is sent to expansion valve by liquid storage device, the system after being depressurized by expansion valve
Cryogen is sent to coolant flow divider by refrigerant piping, is shunted in refrigerator current divider, is sent to ice making later
Multiple accesses of mold, low pressure refrigerant are back to compressor after ice making mould has gasification.So cycle, refrigerant is swollen
After swollen valve is depressurized, the referred to as biphase gas and liquid flow refrigerant of low pressure, after flowing into current divider, the biphase gas and liquid flow refrigerant, even
Connect expansion valve and coolant flow divider with Bottomhole pressure when easily become bolt stream and plug flow containing a large amount of bubbles.It is generating such as
In the case of as described above, bubble can not be uniformly flowed into a isocon of isocon mounting hole, it is difficult to uniformly
Shunting.
Utility model content
In view of the above-mentioned problems, the electric expansion valve the purpose of this utility model is to provide a kind of multichannel respectively,
The expansion valve mechanism is simple and convenient to operate, and eliminates the structure design from expansion valve to current divider circuit so that the expansion valve machine
Throttling action is played, and with uniform shunting function, improves the accuracy of shunting, reduces production cost.
In order to achieve the above objectives, the technical solution of the utility model is as follows：
The electric expansion valve that a kind of multichannel is divided equally, including valve body, the admission inlet being arranged on the valve body, setting
It multiple shuntings outlet, the valve chamber that is arranged in the valve body on the valve body and is arranged in the valve body
Refrigerant logical circulation road, the valve chamber are connected by the refrigerant logical circulation road with the admission inlet and the shunting outlet respectively
It is logical, the downstream of the refrigerant logical circulation road flow to the shunting exit by the first valve body for being arranged in the valve body every
It opens, each shunting exit is corresponded on first valve body and is equipped with the first valve opening, is equipped at first valve opening and matches with it
The spool of conjunction, forms first throttle portion between the spool and first valve opening, the spool is equipped with driving portion, the drive
Dynamic portion can drive the spool to retreat relative to first valve opening simultaneously, to change the aperture in the first throttle portion.
In the above-mentioned technical solutions, refrigerant is flowed into through admission inlet in valve chamber, driving portion effect, while is controlled each
The upper corresponding spool in shunting outlet so that spool is retreated to change opening for each first throttle portion relative to the first valve opening
It spends, the refrigerant in valve chamber is in the pressure all same of each throttle so that it enters the first valve opening by first throttle portion
Flow is consistent, and first throttle portion carries out refrigerant throttling gasification, and can also be according to operatings such as flow and freezing loads
Situation suitably adjusts throttling degree, further improves the bifurcated characteristic of refrigerant stream, and each spool while retreats, and ensure that
Shunting is uniform, and high degree of automation reduces cost.
As a preferred embodiment of the above technical solution, the first throttle portion by the spool relative to first valve opening
Valve seat advance and retreat can be fully closed, can adjust first throttle portion size by adjusting spool, appropriate to adjust throttling degree.
As a preferred embodiment of the above technical solution, the valve body is further included cooperatively forms the valve chamber with first valve body
The second valve body.Second valve body is attached by bolt and the first valve body, and plays the role of sealing.
As a preferred embodiment of the above technical solution, the spool is in pole shape, and front end is throttling action portion, and middle part is connects
Socket part, the connecting portion are connected on second valve body, and rear end is the mounting portion of the driving portion and stretches out second valve
Body.
As a preferred embodiment of the above technical solution, in the inner peripheral surface of the peripheral surface in the throttling action portion and first valve opening
At least one party towards the spool front end formed cone-shaped.Therefore, it when the aperture in first throttle portion reduces, easily bites
Foreign matter when aperture becomes larger, can easily wash away foreign matter by refrigerant, in this way according to the structure, can with the blocking of surface foreign matter,
The problems such as spool action is bad will not be generated.
As a preferred embodiment of the above technical solution, the inner peripheral surface of the peripheral surface in the throttling action portion and first valve opening is all
Cone-shaped is formed towards the front end of the spool.
As a preferred embodiment of the above technical solution, the bevel angle of the inner peripheral surface of the peripheral surface of the spool and first valve opening
It spends identical.The effect that will be segmented in refrigerant can be given full play in this way.
As a preferred embodiment of the above technical solution, the upstream of the refrigerant logical circulation road is located on first valve body corresponding every
A first throttle portion is equipped with the second throttle, and the refrigerant logical circulation road in second throttle to the first throttle portion is equipped with
Space enlargement portion, second throttle by being formed along the first next door being disposed adjacent, be directed toward and stretch to by first next door
In the valve chamber.In this way, the second throttle can give full play to the effect for the flow velocity variation and pressure oscillation for inhibiting refrigerant, pass through
Second throttle refines refrigerant, due to by the refrigerant in valve chamber Direct spraying, so improving refrigerant stream
Diverting feature, in addition, expansion space part dissipates the ejection energy of refrigerant stream, gas in the refrigerant to flowing into first throttle portion
Bubble is further segmented.
As a preferred embodiment of the above technical solution, the driving portion includes driving link, driven member and the driving driving link
The force piece of movement, the driving link are connected on third valve body, and the driven member is connected to the mounting portion of the spool, described
Force piece drives driving link movement, and driving link drives driven member movement, and the driven member band movable valve plug is relative to described the
The valve seat advance and retreat of one valve opening can be fully closed.
As a preferred embodiment of the above technical solution, the driving link is driving gear, and the driven member is driven gear, described
Force piece is asynchronous machine.In this way, driving portion ensure that the movement of each spool is consistent, so as to facilitate control first throttle portion
Aperture controls throttling degree.
The utility model has the advantages that：The utility model is simple in structure, easy to operate, eliminates from expansion valve
To the structure design in current divider circuit so that the expansion valve machine plays throttling action, and with uniform shunting function, improves
The accuracy of shunting, reduces production cost.
Description of the drawings
Fig. 1 is the overall structure diagram of the expansion valve of the embodiment 1 of the utility model；
Fig. 2 is the schematic cross-sectional view of the embodiment 1 of the utility model；
Fig. 3 is A portions enlarged diagram in Fig. 3；
Fig. 4 is the structure diagram of spool in the utility model；
Fig. 5 is the schematic cross-sectional view of the expansion valve of the embodiment 2 of the utility model.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the utility model part of the embodiment, instead of all the embodiments.Embodiment in the utility model, this
It is new to belong to this practicality for all other embodiment that field those of ordinary skill is obtained under the premise of creative work is not done
The range of type protection.
The utility model is described in detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1：With reference to figure 1, Fig. 2, Fig. 3 and Fig. 4, expansion valve has cylindric valve body 71, and valve body 71 includes
First valve body 7101, the second valve body 7102 and third valve body 7103, the first valve body 7101, the second valve body 7102 and third valve body
7103 are bolted and are fixed together, and the center of the first valve body 7101 offers admission inlet 72, the first valve body 7101
Multiple shunting outlets 73 are radially provided on peripheral surface, admission inlet 72 is connect with influent stream pipeline, and shunting outlet 73 is along the circumferential direction
Array is arranged, and is connect with distribution pipeline；Internal formation valve chamber 74, valve are sealed between first valve body 7101 and the second valve body 7102
Chamber 74 is connected by the refrigerant logical circulation road 75 being arranged in valve body with admission inlet 72 and shunting outlet 73 respectively, the first valve
The first valve opening 76 is equipped at corresponding each shunting outlet 73 on body 7101, the second valve body 7102 corresponds to be set at each first valve opening 76
There is corresponding corresponding tapped through hole, the spool 77 coordinated with it is equipped at the first valve opening 76, the spool 77 is in pole shape, before
It holds as throttling action portion 7701, first throttle portion 78 is formed between 7701 and first valve opening 76 of throttling action portion, interlude is outer
Threaded joints 7702, male threaded joint 7702 are screwed onto at the tapped through hole on the second valve body 7102, and rear end is driving portion
79 mounting portion 7703 and the second valve body 7102 of stretching；The upstream of refrigerant logical circulation road 75 flow to equal at each first throttle portion 78
Equipped with the second throttle 80, the second throttle 80 is made of the first next door 71011 being disposed adjacent on the first valve body 7101, the
One next door 71011 is directed toward and is stretched in valve chamber 74, axle center circumference array point of first next door 71011 along the first valve body 7101
Cloth has space enlargement portion 81, driving portion 79 in the second throttle 80 to the refrigerant logical circulation road 75 between first throttle portion 78
Including driving link 7901, driven member 7902 and force piece 7903, driving link 7901 is driving gear, passes through an installation axle axis
It is connected on third valve body 7103；Driven member 7902 is driven gear, is respectively sleeved on the mounting portion 7703 of 77 rear end of spool,
Force piece 7903 is asynchronous machine, and output shaft is connected with the installation axle of driving gear, passes through Induction Motor-Driven driving link
7901 driving gear rotation drives the driven gear rotation of the driven member 7902 on each spool 77, each driven gear
It turns to consistent with angle so that each spool 77 is driven to retreat relative to the first valve opening 76, to change first throttle portion
78 aperture, so that control choke pressure and shunt volume, ensure that the uniformity of the refrigerant flow in each distribution pipeline.
With reference to figure 1, Fig. 2, Fig. 3 and Fig. 4,74 protrusion of mediad valve chamber of the second valve body 7102 is equipped with the convex block for shunting
71021, convex block 71021 is placed in the bottom center of valve chamber 74, and the upper end of convex block 71021 is located at the upstream of refrigerant logical circulation road 75,
The upper end, which is directed toward at admission inlet 72, forms cone-shaped.It is each that the convex block 71021 so that the refrigerant entered is uniformly diverted to
In second throttle 80.
With reference to figure 1, Fig. 2, Fig. 3 and Fig. 4, the inner peripheral surface of the peripheral surface in throttling action portion 7701 and the first valve opening 76 is towards valve
The front end of core 77 forms cone-shaped, and the angle of taper of the inner peripheral surface of the peripheral surface in throttling action portion 7701 and the first valve opening 76
It is identical.
With reference to figure 1, Fig. 2, Fig. 3 and Fig. 4, driving gear is identical with the modulus of driven gear, and the transmission that is meshed, Mei Gefa
The modulus and the number of teeth of driven gear on core 77 are consistent.
Embodiment 2：With reference to figure 5, expansion valve has a cylindric valve body 71, valve body 71 include the first valve body 7101,
Second valve body 7102 and third valve body 7103, the first valve body 7101, the second valve body 7102 and third valve body 7103 are connected by bolt
It connects and is fixed together, the center of the first valve body 7101 offers admission inlet 72, is radially set on the peripheral surface of the first valve body 7101
There is multiple shunt to export 73, admission inlet 72 is connect with influent stream pipeline, and along the circumferential direction array is arranged, and with dividing for shunting outlet 73
Flow tube road connects；Internal formation valve chamber 74 is sealed between first valve body 7101 and the second valve body 7102, valve chamber 74 is by being arranged on
Refrigerant logical circulation road 75 in valve body is connected respectively with admission inlet 72 and shunting outlet 73, corresponding every on the first valve body 7101
The first valve opening 76 is equipped at a shunting outlet 73, the second valve body 7102 is corresponded at each first valve opening 76 equipped with corresponding corresponding logical
Hole is equipped with the spool 77 coordinated with it at the first valve opening 76, and the spool 77 is in pole shape, and front end is throttling action portion
7701, form first throttle portion 78 between 7701 and first valve opening 76 of throttling action portion, interlude is connecting portion 7702, connecting portion
7702 are socketed in the through hole on the second valve body 7102, mounting portion 7703 and stretching second valve body of the rear end for driving portion 79
7102；The upstream of refrigerant logical circulation road 75, which is flow at each first throttle portion 78, is equipped with the second throttle 80, the second throttle
80 are made of the first next door 71011 being disposed adjacent on the first valve body 7101, and the first next door is directed toward and is stretched in valve chamber 74,
Axle center circumference array distribution of first next door 71011 along the first valve body 7101, the second throttle 80 are arrived between first throttle portion 78
Refrigerant logical circulation road 75 on have space enlargement portion 81, driving portion 79 include driving link 7901, driven member 7902 and power
Part 7903, driving link 7901 is driving lever, by being connected on third valve body 7103；Driven member 7902 is follower plate,
Be respectively sleeved on the mounting portion 7703 of 77 rear end of spool, force piece 7903 be hydraulic cylinder or leading screw, output terminal with actively
Bar is connected, the reciprocating motion of the driving lever by driving driving link 7901, drives driven member 7902 on each spool 77
Follower plate moves back and forth so that each spool 77 is driven to retreat relative to the first valve opening 76, to change first throttle
The aperture in portion 78 so that control choke pressure and shunt volume, ensure that the uniform of refrigerant flow in each distribution pipeline
Property.
74 protrusion of mediad valve chamber of second valve body 7102 is equipped with the convex block 71021 for shunting, and convex block 71021 is placed in valve
The bottom center of chamber 74, the upper end of convex block 71021 are located at the upstream of refrigerant logical circulation road 75, and the upper end is directed toward at admission inlet 72
Form cone-shaped.The convex block 71021 is so that the refrigerant entered is uniformly diverted in each second throttle 80.
The inner peripheral surface of the peripheral surface in throttling action portion 7701 and the first valve opening 76 forms cone-shaped towards the front end of spool 77,
And the angle of taper of the inner peripheral surface of the peripheral surface in throttling action portion 7701 and the first valve opening 76 is identical.
The embodiment of the utility model is described in detail above in conjunction with attached drawing, but the utility model and unlimited
In the above embodiment, in the knowledge that has belonging to one skilled in the relevant art, this reality can also not departed from
With under the premise of novel objective, various changes can be made.
Claims (10)
1. a kind of electric expansion valve that multichannel is divided equally, it is characterised in that：Including valve body（71）, be arranged on the valve body（71）
On admission inlet（72）, be arranged on the valve body（71）On multiple shuntings outlet（73）, be arranged on the valve body
（71）Interior valve chamber（74）And it is arranged on the valve body（71）Interior refrigerant logical circulation road（75）, the valve chamber（74）Pass through
The refrigerant logical circulation road（75）Respectively with the admission inlet（72）With the shunting outlet（73）It is connected, the refrigerant
Logical circulation road（75）Downstream flow to it is described shunting outlet（73）Place is by being arranged on the valve body（71）The first interior valve body
（7101）It separates, first valve body（7101）The upper each shunting outlet of correspondence（73）Place is equipped with the first valve opening（76）, institute
State the first valve opening（76）Place is equipped with the spool coordinated with it（77）, the spool（77）With first valve opening（76）Between formed
First throttle portion（78）, the spool（77）It is equipped with driving portion（79）, the driving portion（79）The spool can be driven simultaneously
（77）Relative to first valve opening（76）It retreats, to change the first throttle portion（78）Aperture.
2. the electric expansion valve that a kind of multichannel according to claim 1 is divided equally, it is characterised in that：The first throttle portion
（78）Pass through the spool（77）Relative to first valve opening（76）Valve seat advance and retreat can be fully closed.
3. the electric expansion valve that a kind of multichannel according to claim 1 is divided equally, it is characterised in that：The valve body（71）Also
Including with first valve body（7101）Cooperatively form the valve chamber（74）The second valve body（7102）.
4. the electric expansion valve that a kind of multichannel according to claim 3 is divided equally, it is characterised in that：The spool（77）In circle
Rodlike, front end is throttling action portion（7701）, middle part is connecting portion（7702）, the connecting portion（7702）It is connected to described
Second valve body（7102）On, rear end is the driving portion（79）Mounting portion（7703）And stretch out second valve body（7102）.
5. the electric expansion valve that a kind of multichannel according to claim 4 is divided equally, it is characterised in that：The throttling action portion
（7701）Peripheral surface and first valve opening（76）Inner peripheral surface at least one party towards the spool（77）Front end shape
Into a cone shape.
6. the electric expansion valve that a kind of multichannel according to claim 4 is divided equally, it is characterised in that：The throttling action portion
（7701）Peripheral surface and first valve opening（76）Inner peripheral surface both facing to the spool（77）Front end formed cone-shaped.
7. the electric expansion valve that a kind of multichannel according to claim 5 or 6 is divided equally, it is characterised in that：The spool（77）
Peripheral surface and first valve opening（76）Inner peripheral surface angle of taper it is identical.
8. the electric expansion valve that a kind of multichannel according to claim 1 is divided equally, it is characterised in that：The refrigerant logical circulation road
（75）Upstream be located at first valve body（7101）The upper each first throttle portion of correspondence（78）Equipped with the second throttle（80）, institute
State the second throttle（80）To the first throttle portion（78）Refrigerant logical circulation road（75）It is equipped with space enlargement portion, described the
Two throttles（80）The first next door being disposed adjacent by edge（71011）It is formed, first next door（71011）It is directed toward and stretches to
The valve chamber（74）It is interior.
9. the electric expansion valve that a kind of multichannel according to claim 4 is divided equally, it is characterised in that：The driving portion（79）Packet
Include driving link（7901）, driven member（7902）And the driving driving link（7901）The force piece of movement（7903）, the master
Moving part（7901）It is connected to third valve body（7103）On, the driven member（7902）It is connected to the spool（77）Mounting portion
（7703）, the force piece（7903）Drive the driving link（7901）Movement, driving link（7901）Drive driven member（7902）
Movement, the driven member（7902）Band movable valve plug（77）Relative to first valve opening（76）Valve seat advance and retreat can be fully closed.
10. the electric expansion valve that a kind of multichannel according to claim 9 is divided equally, it is characterised in that：The driving link
（7901）For driving gear, the driven member（7902）For driven gear, the force piece（7903）For asynchronous machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720534514.4U CN207501501U (en) | 2017-05-16 | 2017-05-16 | The electric expansion valve that a kind of multichannel is divided equally |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720534514.4U CN207501501U (en) | 2017-05-16 | 2017-05-16 | The electric expansion valve that a kind of multichannel is divided equally |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207501501U true CN207501501U (en) | 2018-06-15 |
Family
ID=62496794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720534514.4U Active CN207501501U (en) | 2017-05-16 | 2017-05-16 | The electric expansion valve that a kind of multichannel is divided equally |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207501501U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131688A (en) * | 2017-05-16 | 2017-09-05 | 长兴威威制冷科技有限公司 | The electric expansion valve that a kind of multichannel is divided equally |
-
2017
- 2017-05-16 CN CN201720534514.4U patent/CN207501501U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131688A (en) * | 2017-05-16 | 2017-09-05 | 长兴威威制冷科技有限公司 | The electric expansion valve that a kind of multichannel is divided equally |
| CN107131688B (en) * | 2017-05-16 | 2023-03-17 | 长兴威威制冷科技有限公司 | Electronic expansion valve with multiple paths of equal distribution |
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