CN107620813A - A kind of electric T-shaped valve and refrigeration plant - Google Patents
A kind of electric T-shaped valve and refrigeration plant Download PDFInfo
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- CN107620813A CN107620813A CN201610561252.0A CN201610561252A CN107620813A CN 107620813 A CN107620813 A CN 107620813A CN 201610561252 A CN201610561252 A CN 201610561252A CN 107620813 A CN107620813 A CN 107620813A
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- gear
- electric
- shaped valve
- central shaft
- power gear
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- Electrically Driven Valve-Operating Means (AREA)
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Abstract
The invention discloses a kind of electric T-shaped valve and refrigeration plant, including valve body (1) and coil (2), power gear (4) is provided with the valve body (1) and performs gear (5)；The power gear (4) is driven by the armature spindle (3) of the coil (2), and passes through reduction gearing (6) and described execution gear (5) engaged transmission；The execution gear (5) is arranged on central shaft (7), stream switching is carried out for band movable slider (9), the power gear (4) and execution gear (5) are installed along with the central shaft (7), and both are spaced apart up and down.The power gear of the triple valve and perform gear on same root central shaft, centre is connected with reduction gearing, and in production, the axiality of gear greatly reinforces, effectively improve because gear shaft axiality is bad and caused by can not normally engage or stuck phenomenon.
Description
Technical field
The present invention relates to valve technology field, is used to control refrigerant break-make and stream particularly in refrigeration plant
To electric T-shaped valve.The invention further relates to the refrigeration plant provided with the electric T-shaped valve.
Background technology
The electric T-shaped valve being presently used in the triple valve of refrigeration plant, particularly heat pump type air conditioner pipeline,
Mostly pass through the break-make and flow direction of the sliding block switching control refrigerant in valve.
Electric T-shaped valve is mainly made up of valve body and coil two parts, and wherein valve body has three valve ports, its work
As principle be coil in the presence of current impulse, to the electricity on one direction of magnetic rotor component in valve body
Magnetic force, the direction of power can be clockwise direction either counter clockwise direction, make magnetic rotor component towards power
Direction rotates, and by a series of gear drive in valve body, power is transferred on sliding block, sliding block is in power
Switch under effect in two valve ports wherein, play a part of changing runner.
A kind of electric three passes as disclosed in the application for a patent for invention that application publication number is CN103375606A
Valve, the son rotation of its coil magnetization rear-guard turn, power gear 17 are pressed into armature spindle 14a, are integrally formed knot
Structure, armature spindle drive reduction gearing 18 with the synchronous rotary of power gear 17, perform gear 20.By holding
The trundle 25 of row gear 20, band movable slider 23 rotate, and sliding block is blocked valve port P1 or P2, so as to
Switch the flow direction of refrigerant (see Fig. 1).
In this technical scheme, power gear 17 and gear 20 is performed respectively on two rooted tooth wheel shafts, it is middle
Engaged transmission, armature spindle 14a bottoms and the power gear 17 of press-in are connected with a reduction gearing 18
It is structure as a whole, power gear 17, reduction gearing 18 constitute first order gear pair.Gear drive pair
Centre-to-centre spacing, the depth of parallelism between two gears have higher requirement, and the center of power gear 17 is logical
Two sleeve pipes, upper and lower end cap and valve seat are crossed to ensure, the center of reduction gearing 18 is then by valve seat and gear
Axle ensures.Thus the centre-to-centre spacing association size between power gear 17, reduction gearing 18 is on the high side,
The manufacturing process high expensive of correlated parts in production, the axialities of two axles it is difficult to ensure that, gear assembling
Transmission afterwards easily occurs normally engaging or stuck phenomenon (see Fig. 2).
Therefore, how to ensure the axiality that electric T-shaped valve gear coordinates, be those skilled in the art's needs
The technical problem of solution.
The content of the invention
The first object of the present invention is to provide a kind of electric T-shaped valve.The power gear of the triple valve and execution
Gear is on same root central shaft, and centre is connected with reduction gearing, and in production, the axiality of gear is big
It is big to strengthen, effectively improve because gear shaft axiality is bad and caused by can not normally engage or stuck show
As.
The second object of the present invention is to provide a kind of refrigeration plant provided with the electric T-shaped valve.
To realize above-mentioned first purpose, the present invention provides a kind of electric T-shaped valve, including valve body and coil,
Power gear is provided with the valve body and performs gear；The power gear is driven by the armature spindle of the coil
It is dynamic, and pass through reduction gearing and the execution meshed transmission gear；The execution gear is arranged on central shaft
On, with band movable slider carry out stream switching, the power gear and perform gear be installed along with it is described in
In mandrel, and it is spaced apart up and down.
Preferably, the power gear is connected with the armature spindle.
Preferably, the power gear is connected with the armature spindle by shaft coupling transmission.
Preferably, the power gear top is provided with groove or projection, with the armature spindle by groove or
Male cooperation forms the shaft coupling.
Preferably, the central shaft is upwardly extended beyond the execution gear, and the power gear is installed on
The upper end of the central shaft.
Preferably, the central shaft is multi-diameter shaft, and its upper end diameter is less than lower end diameter, the power teeth
Wheel is installed on the miner diameter end of the central shaft, and is supported at the step of the miner diameter end.
Preferably, the reduction gearing is a reduction gearing or multiple reduction gearing.
Preferably, the gear that performs is provided with the trundle for driving the sliding block.
To realize above-mentioned second purpose, the present invention provides a kind of refrigeration plant, has refrigerant pipeline, described
Refrigerant pipeline is provided with the electric T-shaped valve of control refrigerant break-make and flow direction, and the electric T-shaped valve is above-mentioned
Electric T-shaped valve described in any one.
Preferably, specially heat pump type air conditioner.
The present invention has made further improvement on the basis of existing technology, and its power gear is not directly installed on
On the armature spindle of coil, but it is changed to installation on center shaft, is then connected with armature spindle, by turns
Sub- axle driving power gear rotates on center shaft, and then is transferred to power by the reduction gearing of centre
Gear is performed, then is rotated by execution gear band movable slider, different valve ports is blocked, carries out stream switching.
Due to power gear and perform gear be arranged on same root central shaft on, therefore be easily guaranteed that power gear with
The axiality between gear is performed, and the center of power gear can be ensured by valve seat and central shaft,
Centre-to-centre spacing between power gear and reduction gearing associates size and tailed off, and is easy to ensure between the two coaxial
Degree, greatly reinforces the axiality of gear, is made so as to effectively improve because gear shaft axiality is bad
Into can not normally engage or stuck phenomenon, at the same significantly reduce the manufacturing process of correlated parts in production into
This.
Refrigeration plant provided by the present invention is provided with the electric T-shaped valve, because the electric T-shaped valve can
Above-mentioned technique effect is obtained, then the refrigeration plant provided with the electric T-shaped valve should also have corresponding technology effect
Fruit.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of existing electric T-shaped valve；
Fig. 2 occurs normally engaging for existing electric T-shaped valve or the schematic diagram of stuck phenomenon；
Fig. 3 is a kind of cut-away illustration of embodiment of electric T-shaped valve provided by the present invention；
Fig. 4 is the sectional view that power gear is installed along with central shaft with performing gear.
In Fig. 1,2：
The reduction gearing 20. of 17. power gear of 14a. armature spindles 18. performs the sliding block of gear 23.
24. the trundle of central shaft 25.
In Fig. 3,4：
1. the power gear 5. of 2. coil of valve body, 3. armature spindle 4. performs the reduction gearing of gear 6.
7. the sliding block of 8. trundle of central shaft 9.
Embodiment
The present invention core be by by power gear and perform gear be arranged on same root central shaft on,
To ensure the axiality between gear, so as to eliminate because gear shaft axiality is bad and caused by can not normally nibble
Conjunction or stuck phenomenon.
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the accompanying drawings and specifically
The present invention is described in further detail for embodiment.
Fig. 3, Fig. 4 are refer to, Fig. 3 is a kind of embodiment of electric T-shaped valve provided by the present invention
Cut-away illustration；Fig. 4 is the sectional view that power gear is installed along with central shaft with performing gear.
In a kind of specific embodiment, electric T-shaped valve provided by the invention is mainly used in refrigeration plant, special
It is not in heat pump type air conditioner pipeline, is switched by the sliding block in electric T-shaped valve, refrigeration plant can be controlled
The break-make and flow direction of middle refrigerant.
As illustrated, this electric T-shaped valve is mainly made up of valve body 1 and the two parts of coil 2, coil 2 is set
There is armature spindle 3, power gear 4 is provided with valve body 1 and performs gear 5, wherein power gear 4 is by coil
2 armature spindle 3 is driven, and performs tooth with performing the engaged transmission of gear 5 by reduction gearing 6
Wheel 5 is arranged on central shaft 7, can be rotated with movable slider 9 by trundle 8, is cut so as to carry out stream
Change.
Central shaft 7 upwardly extends beyond the top surface for performing gear 5, and power gear 4 is arranged on central shaft 7
Upper end, i.e., power gear 4 with perform gear 5 be installed along with central shaft 7, and both between the upper and lower
Every distribution.
Specifically, the lower end of central shaft 7 is stretched into the axis hole of the pedestal of valve body 1, performs gear 5 together with cunning
Block 9 is sleeved on central shaft 7 together, and central shaft 7 is multi-diameter shaft, and its upper end diameter is less than lower end diameter,
Power gear 4 is sleeved on the miner diameter end of central shaft 7, and is supported at the step of miner diameter end, so as to holding
Row gear is separated by a distance about 5.Certainly, outside such a structure, power gear 4 can also adopt
It is arranged in other ways on central shaft 7.
Rotated in order to driving power gear 4, power gear 4 needs to be connected with armature spindle 3.
In the present embodiment, the top of power gear 4 is provided with groove or projection, passes through groove or convex with armature spindle 3
Rise to coordinate and form shaft coupling, power gear 4 is connected with armature spindle 3 by shaft coupling transmission.So, may be used
The technological requirement of axiality is assembled to reduce armature spindle 3 with central shaft 7.
The operation principle of above-mentioned electric T-shaped valve be coil 2 in the presence of current impulse, to armature spindle 3
Electromagnetic force on one direction of part, the direction of power can be clockwise direction either counter clockwise direction,
Armature spindle 3 is set to be rotated towards the direction of power, armature spindle 3, which rotates, drives power gear 4, then subtracts by gear
Fast mechanism drives execution gear 5 to realize that sliding block switches.
In detail, the excitation rear-guard of coil 2 moves armature spindle 3 and rotated, and armature spindle 3 rotates, and passes through shaft coupling
The synchronous rotary of power gear 4 is driven, then execution tooth is driven to by a series of reduction gearing 6 in valve body 1
Wheel 5, gear 5 is performed by trundle 8, power is transferred on sliding block 9, sliding block 9 is under force
Switch in two valve ports wherein, block different valve ports, play a part of changing runner, so as to cut
Change the flow direction of refrigerant.
Above-described embodiment is only the preferred scheme of the present invention, is specifically not limited thereto, on this basis may be used
Made according to being actually needed with targetedly adjusting, so as to obtain different embodiments.For example, subtract
Fast gear 6 is a reduction gearing or multiple reduction gearing, or, process or set on central shaft 7
Collar is with power gear 4 apart from top to bottom and performs gear 5, etc..Because mode in the cards is more,
Here just no longer illustrate one by one.
Except above-mentioned electric T-shaped valve, the present invention also provides a kind of refrigeration plant, can be specifically pump type heat
Air-conditioning, it has refrigerant pipeline, and electronic the three of control refrigerant break-make and flow direction is provided with refrigerant pipeline
Port valve, and electric T-shaped valve is electric T-shaped valve described above, remaining structure refer to prior art,
Repeat no more herein.
Electric T-shaped valve provided by the present invention and refrigeration plant are described in detail above.Herein
Apply specific case to be set forth the principle and embodiment of the present invention, the explanation of above example
It is only intended to help the core concept for understanding the present invention.It should be pointed out that the common skill for the art
For art personnel, under the premise without departing from the principles of the invention, some improvement can also be carried out to the present invention
And modification, these are improved and modification is also fallen into the protection domain of the claims in the present invention.
Claims (10)
1. a kind of electric T-shaped valve, including valve body (1) and coil (2), the valve body (1) is interior to be provided with
Power gear (4) and execution gear (5)；The power gear (4) by the coil (2) rotor
Axle (3) drives, and passes through reduction gearing (6) and described execution gear (5) engaged transmission；It is described to hold
Row gear (5) is arranged on central shaft (7), carries out stream switching for band movable slider (9), it is special
Sign is that the power gear (4) and execution gear (5) are installed along with the central shaft (7),
And both are spaced apart up and down.
2. electric T-shaped valve according to claim 1, it is characterised in that the power gear (4)
It is connected with the armature spindle (3).
3. electric T-shaped valve according to claim 2, it is characterised in that the power gear (4)
It is connected with the armature spindle (3) by shaft coupling transmission.
4. electric T-shaped valve according to claim 3, it is characterised in that the power gear (4)
Top is provided with groove or projection, and the shaft coupling is formed by groove or male cooperation with the armature spindle (3)
Device.
5. electric T-shaped valve according to claim 1, it is characterised in that the central shaft (7) is super
Go out the execution gear (5) to upwardly extend, the power gear (4) is installed on the central shaft (7)
Upper end.
6. electric T-shaped valve according to claim 5, it is characterised in that the central shaft (7) is
Multi-diameter shaft, its upper end diameter are less than lower end diameter, and the power gear (4) is installed on the central shaft (7)
Miner diameter end, and be supported at the step of the miner diameter end.
7. according to the electric T-shaped valve described in any one of claim 1 to 6, it is characterised in that described to subtract
Fast gear (6) is a reduction gearing or multiple reduction gearing.
8. according to the electric T-shaped valve described in any one of claim 1 to 6, it is characterised in that described to hold
Row gear (5) is provided with the trundle (8) for driving the sliding block (9).
9. a kind of refrigeration plant, there is refrigerant pipeline, the refrigerant pipeline be provided with control refrigerant break-make and
The electric T-shaped valve of flow direction, it is characterised in that the electric T-shaped valve is that the claims 1 to 8 are any
Electric T-shaped valve described in.
10. refrigeration plant according to claim 9, it is characterised in that be specially heat pump type air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610561252.0A CN107620813B (en) | 2016-07-14 | 2016-07-14 | A kind of electric T-shaped valve and refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610561252.0A CN107620813B (en) | 2016-07-14 | 2016-07-14 | A kind of electric T-shaped valve and refrigeration equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107620813A true CN107620813A (en) | 2018-01-23 |
| CN107620813B CN107620813B (en) | 2019-05-17 |
Family
ID=61087843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610561252.0A Active CN107620813B (en) | 2016-07-14 | 2016-07-14 | A kind of electric T-shaped valve and refrigeration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107620813B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781499A (en) * | 2016-08-24 | 2018-03-09 | 浙江三花股份有限公司 | Thimble assembly and there is its control valve |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003314715A (en) * | 2002-04-19 | 2003-11-06 | Fuji Koki Corp | Four-way change-over valve |
| JP2010084939A (en) * | 2008-09-08 | 2010-04-15 | Fuji Koki Corp | Four-way switch valve |
| CN104565445A (en) * | 2013-10-10 | 2015-04-29 | 日立空调·家用电器株式会社 | Refrigerant switching valve and equipment provided with refrigerant switching valve |
-
2016
- 2016-07-14 CN CN201610561252.0A patent/CN107620813B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003314715A (en) * | 2002-04-19 | 2003-11-06 | Fuji Koki Corp | Four-way change-over valve |
| JP2010084939A (en) * | 2008-09-08 | 2010-04-15 | Fuji Koki Corp | Four-way switch valve |
| CN104565445A (en) * | 2013-10-10 | 2015-04-29 | 日立空调·家用电器株式会社 | Refrigerant switching valve and equipment provided with refrigerant switching valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781499A (en) * | 2016-08-24 | 2018-03-09 | 浙江三花股份有限公司 | Thimble assembly and there is its control valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107620813B (en) | 2019-05-17 |
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