CN107781499A - Thimble assembly and there is its control valve - Google Patents
Thimble assembly and there is its control valve Download PDFInfo
- Publication number
- CN107781499A CN107781499A CN201610729382.0A CN201610729382A CN107781499A CN 107781499 A CN107781499 A CN 107781499A CN 201610729382 A CN201610729382 A CN 201610729382A CN 107781499 A CN107781499 A CN 107781499A
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- China
- Prior art keywords
- sleeve pipe
- sleeve
- thimble assembly
- gear
- assembly according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003466 welding Methods 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 5
- 238000004080 punching Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- Valve Housings (AREA)
- Mechanically-Actuated Valves (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention provides a kind of thimble assembly and there is its control valve, wherein, thimble assembly includes：First sleeve, the first end of first sleeve have mounting hole, and the second end of first sleeve is open end；Second sleeve pipe, the first end of the second sleeve pipe have closed end cap, and the second end of the second sleeve pipe is tightly connected for open end and by mounting hole and first sleeve.Technical scheme is efficiently solved in the prior art to thimble assembly machining accuracy and the higher problem of assembly precision requirement.
Description
Technical field
The present invention relates to valve field, in particular to a kind of thimble assembly and has its control valve.
Background technology
Electric T-shaped valve is mainly used in air-conditioning system, is made up of valve body and coil two parts, and wherein valve body has three valves
Mouthful.Its operation principle is：Coil is in the presence of current impulse, the electromagnetic drive to the magnetic rotor component circumferencial direction in valve body
Power, magnetic rotor component clockwise or can rotate in an anti-clockwise direction, by gear drive in valve body, driving force
It is transferred on sliding block, sliding block rotates with rotor, and the opening and closing switching of two of which valve port can be achieved, play air-conditioning system refrigerant stream
The effect of road switching.
A kind of electric T-shaped valve disclosed in Publication No. CN103375606A Chinese invention patent application.Such as Fig. 1 and Fig. 2
Shown, the valve has collar tube sub-assembly, is made up of big sleeve pipe 2 and small casing 1.Big sleeve pipe 2 and small casing 1 using thin-wall metal into
Type, the big lower end of sleeve pipe 2 are the straight cylindrical openings 23 of tubulose, and there are tube shape bulge 21, boss in the big upper end of sleeve pipe 2 by punching stretch forming
21 centers are provided with through hole 22.The upper end of small casing 1 is the straight cylindrical openings 13 of tubulose, and press-in one upper end cover of welding is needed in opening,
Upper end cover center is stamped with a blind hole, and the blind hole is used for the upper end for accommodating the armature spindle of electric T-shaped valve.Under small casing 1
Hold as the semi-enclosed bottom end cover 11 of integral type, the center of bottom end cover 11 is to having boss, the concave through hole 12 of boss inwall, through hole
12 punching stretch form and are used for the lower end for the armature spindle for accommodating electric T-shaped valve.The cylindrical of the lower end of small casing 1 is inserted into big set
In the central through hole 22 of the boss 21 of pipe 2, both connecting portions of inserting are connected by way of sealing welding.
In the prior art, as depicted in figs. 1 and 2, the upper end of the collar tube sub-assembly of electric T-shaped valve is opening, and upper end is welded
Connect a sealed upper end lid, the centre bore in the convex blind hole at upper end cover center and the bottom end cover 11 of small casing 1 is fixed respectively
The upper and lower ends of armature spindle in magnetic rotor component, armature spindle lower end weld one after passing through the central through hole of collar tube sub-assembly bottom end cover 11
Individual drive gear exports revolving force.
As shown in figure 1, the electric T-shaped valve of prior art employs magnetic rotor component with performing the out-of-alignment knot of gear 50 '
Structure mode.Magnetic rotor component carries an armature spindle, the lower end welding drive gear 41 ' of armature spindle, the center of drive gear 41 '
Position is ensured by two sleeve pipes, upper and lower end cap.And the center for performing gear 50 ' is protected by valve seat 10 '
Card.Drive gear and the axiality for performing gear are by valve seat, big sleeve pipe, small casing, upper end cover, bottom end cover, armature spindle
Come what is ensured, axiality is had a great influence by the assembly precision of small casing, end cap and big sleeve pipe, therefore axiality is difficult to protect
Card, easily occur because axiality is bad and caused by valve body valve opening it is bad, and assembly process is more, more difficult, and parts are added
Work required precision is also very high.
The content of the invention
The present invention is intended to provide a kind of thimble assembly and there is its control valve, to solve in the prior art to thimble assembly
Machining accuracy and assembly precision require higher problem.
To achieve these goals, according to an aspect of the invention, there is provided a kind of thimble assembly, including：First set
Pipe, the first end of first sleeve have mounting hole, and the second end of first sleeve is open end；Second sleeve pipe, the of the second sleeve pipe
One end has closed end cap, and the second end of the second sleeve pipe is tightly connected for open end and by mounting hole and first sleeve.
Further, it is provided with positioning hole on the inwall of closed end cap.
Further, closed end cap has the boss that the side at the second end for being directed away from the second sleeve pipe upwardly extends, positioning
Hole is the blind hole to be formed in boss.
Further, blind hole punch forming together with the inwall of the second sleeve pipe.
Further, be provided with tube shape bulge at mounting hole, the second end of the second sleeve pipe be inserted into tube shape bulge and with
Tube shape bulge is tightly connected.
Further, tube shape bulge extends towards the direction at the second end of first sleeve.
Further, tube shape bulge is directed away from the direction extension at the second end of first sleeve.
Further, the second end of the second sleeve pipe and first sleeve sealing welding.
Further, first sleeve and the material of the second sleeve pipe are metal.
According to another aspect of the present invention, there is provided a kind of control valve, including：Valve seat, normally opened valve port is provided with valve seat
With multiple switching valve ports；Thimble assembly, it is set on valve seat, thimble assembly is the sleeve pipe group of any one of claim 1 to 9
Part；Sliding block, it is movably disposed on valve seat, sliding block is used for the opening and closing switching for controlling multiple switching valve ports；Central shaft, bottom are solid
It is scheduled on valve seat, the top of central shaft is located in thimble assembly, and sliding block is set on central shaft；Rotor part, it is set in center
On axle, rotor part includes drive gear；Gear is performed, is arranged on center shaft, and drive sliding block to move；Travelling gear, if
Put between drive gear and execution gear, and engaged with drive gear and execution gear.
Apply the technical scheme of the present invention, thimble assembly includes first sleeve and the second sleeve pipe.Wherein, the of first sleeve
One end has mounting hole, and the second end is open end.The first end of second sleeve pipe has closed end cap, and the second end is open end and led to
Mounting hole is crossed to be tightly connected with first sleeve.The outer peripheral face at the second end of the second sleeve pipe is inserted into the peace of the first end of first sleeve
Fill in hole, the connecting portion of the two inserting is sealed connected together.The first end of second sleeve pipe has closed end cap.In the present invention
Technical scheme in, compared with prior art, the second end of the second sleeve pipe is no longer provided with bottom end cover.So, by the present invention's
When thimble assembly is arranged on the valve seat of control valve, thimble assembly, can be right without being positioned by bottom end cover to armature spindle
Armature spindle is improved, and the gear shaft of itself and execution gear is arranged to same axis and is positioned by valve seat.Due to set
Tube assembly can reduce the machining accuracy and assembly precision of thimble assembly without being positioned to armature spindle.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the schematic cross-sectional view of electric T-shaped valve in the prior art；
Fig. 2 shows the structural representation of the thimble assembly of the electric T-shaped valve in Fig. 1；
Fig. 3 shows the schematic cross-sectional view of the embodiment one of the thimble assembly according to the present invention；
Fig. 4 shows the press fitting schematic diagram of Fig. 3 thimble assembly；
Fig. 5 shows the schematic cross-sectional view of the embodiment two of the thimble assembly according to the present invention；
Fig. 6 shows the second sleeve pipe schematic cross-sectional view of Fig. 5 thimble assemblies；And
Fig. 7 shows the schematic cross-sectional view of the embodiment of the control valve according to the present invention.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
10 ', valve seat；41 ', drive gear；50 ', gear is performed；1st, small casing；2nd, big sleeve pipe；11st, bottom end cover；12nd, lead to
Hole；13rd, the straight cylindrical openings of tubulose；21st, boss；22nd, through hole；23rd, the straight cylindrical openings of tubulose；10th, valve seat；20th, sliding block；30th, in
Mandrel；40th, rotor part；41st, drive gear；50th, gear is performed；61st, first sleeve；62nd, the second sleeve pipe；63rd, closed end cap；
631st, positioning hole；632nd, boss；64th, tube shape bulge.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 3 shows the schematic cross-sectional view of the embodiment one of the thimble assembly according to the present invention.As shown in figure 3, embodiment
One thimble assembly includes：The sleeve pipe 62 of first sleeve 61 and second.Wherein, the first end of first sleeve 61 has mounting hole, the
Two ends are open end.The first end of second sleeve pipe 62 has closed end cap, and the second end is open end and passes through mounting hole and first
Sleeve pipe 61 is tightly connected.The outer peripheral face at the end of the second sleeve pipe 62 second is inserted into the mounting hole of the first end of first sleeve 61, the two
The connecting portion of inserting is by being sealed connected together.The first end of second sleeve pipe 62 has closed end cap.
Using the technical scheme of the present embodiment, when thimble assembly is arranged on the valve seat 10 of control valve, thimble assembly need not
Armature spindle is positioned by bottom end cover, armature spindle can be improved, makes it and performs the gear shaft setting of gear 50
Positioned for same axis and by valve seat 10.Because thimble assembly to armature spindle without positioning, therefore can reduce
The machining accuracy and assembly precision of thimble assembly.
In embodiment one, as shown in figure 3, the second end of first sleeve 61 is the straight cylindrical openings of tubulose, the second sleeve pipe 62
The second end be the straight cylindrical openings of tubulose.
As shown in figure 3, in embodiment one, positioning hole 631 is provided with the inwall of closed end cap 63.Above-mentioned positioning hole
631 for accommodating the upper shaft end of axle, and plays positioning action to it.
As shown in figure 3, in embodiment one, closed end cap 63 has the direction at the second end for being directed away from the second sleeve pipe 62
The boss 632 of upper extension, blind hole of the positioning hole 631 for formation in boss 632.Said structure is easily worked shaping, also, on
State the structural strength that blind hole does not interfere with the second sleeve pipe 62.
In embodiment one, blind hole punch forming together with the inwall of the second sleeve pipe 62.Punch forming process process is simple
And material consumption is few, the production cost of thimble assembly can be reduced.In the present embodiment, the closing at the top of the second sleeve pipe 62
End cap 63 is structure as a whole with the second sleeve pipe 62, for Split type structure so compared with prior art, reduces top end cover welding.
Fig. 4 shows the press fitting schematic diagram of Fig. 3 thimble assembly.As shown in figure 4, thimble assembly can pass through integral type frock
Assembling, it is ensured that the axiality of the sleeve pipe 62 of first sleeve 61 and second.As shown in figure 4, integral type frock includes three parts, i.e. mould
Have chassis, the first core body to be cooperated with first sleeve 61 and the second core body to be cooperated with the second sleeve pipe 62.Second core
Body includes boss, can be mutually nested with the positioning hole 631 on the second sleeve pipe 62.Therefore ensure that and may insure first sleeve 61 and
The axiality of two sleeve pipes 62.
As shown in figure 3, being provided with tube shape bulge 64 in embodiment one, at mounting hole, the second end of the second sleeve pipe 62 is inserted
It is tightly connected in tube shape bulge 64 and with tube shape bulge 64.Above-mentioned tube shape bulge 64 is above-mentioned by punching stretch forming
Tube shape bulge 64 adds the connection area of the sleeve pipe 62 of first sleeve 61 and second so that connection is more stable.
In embodiment one, tube shape bulge 64 extends towards the direction at the second end of first sleeve 61.As shown in figure 3, from
It can be seen from the figure that, tube shape bulge 64 extend down, and above-mentioned tube shape bulge 64 is molded downwards acquisition by punching stretch.It is above-mentioned
Tube shape bulge 64 adds the connection area of the sleeve pipe 62 of first sleeve 61 and second so that connection is more stable.
In embodiment one, the second end and the sealing welding of first sleeve 61 of the second sleeve pipe 62.Welding connecting mode is easy
Realize, and cost is relatively low.
In embodiment one, the material of the sleeve pipe 62 of first sleeve 61 and second is metal.First sleeve 61 and second set
Pipe 62 is preferably molded using thin-wall metal.
Fig. 5 shows the schematic cross-sectional view of the embodiment two of the thimble assembly according to the present invention, and Fig. 6 shows Fig. 5 sleeve pipes
Second sleeve pipe schematic cross-sectional view of component.In the thimble assembly of embodiment two, tubulose is differed only in above-described embodiment
The bearing of trend of boss 64.Specifically, as shown in Figure 5 and Figure 6, in the thimble assembly of embodiment two, the direction of tube shape bulge 64
The direction extension at the second end away from first sleeve 61.From fig. 6 it can be seen that tube shape bulge 64 extends upward, above-mentioned pipe
Shape boss 64 is molded acquisition by punching stretch upwards.Above described tubular boss adds the company of the sleeve pipe 62 of first sleeve 61 and second
Junction is accumulated so that connection is more stable.The other parts of the thimble assembly of embodiment two are essentially identical with embodiment one, herein
Repeat no more.
Present invention also provides a kind of control valve.Fig. 7 shows Fig. 3 thimble assembly and the section view with its control valve
Schematic diagram.As shown in fig. 7, valve seat 10, thimble assembly, sliding block 20, central shaft are included according to the embodiment of the control valve of the application
30th, rotor part 40, execution gear 50 and travelling gear.
Wherein, normally opened valve port and multiple switching valve ports are provided with valve seat 10, thimble assembly is set on valve seat, sleeve pipe group
Part is above-mentioned thimble assembly.Sliding block is spindle rotationally arranged on valve seat 10, for controlling the opening and closing switching of multiple switching valve ports.
Central shaft 30 is arranged between valve seat 10 and thimble assembly, and its bottom is fixed on valve seat 10.Armature spindle after above-mentioned improvement
Central shaft 30 is collectively forming with gear shaft.Central shaft 30 is equipped with sliding block 20, performs gear 50 and with drive successively from the bottom up
The rotor part 40 of moving gear 41.Wherein, the drive gear 41 on rotor part 40 by travelling gear by rotor part 40
Rotary power, which is transferred to, performs gear 50, performs gear 50 and drives sliding block 20 to rotate, realizes sliding block 20 on the transverse plane of valve seat 10
Switch the opening and closing switching of valve port.
So, drive gear 41 is rotated under the drive of rotor part 40, drives the driving cog engaged
Wheel rotates, and travelling gear engagement drives execution gear 50 to rotate, it is possible to achieve sliding block 20 is opened valve port on the transverse plane of valve seat 10
Close switching.The lower end of central shaft 30 is fixed on the center of valve seat 10, by drive gear 41 with performing together with gear 50 wears, so
It ensure that drive gear 41 with performing the axiality of gear 50.Process is simplified simultaneously, reduces the production cost of control valve.Together
When, in the technical scheme of the present embodiment, compared with prior art, the second end of the second sleeve pipe of thimble assembly is no longer provided with
Bottom end cover.So, when thimble assembly is arranged on the valve seat of control valve, thimble assembly by bottom end cover to armature spindle without being entered
The gear shaft of row positioning, armature spindle and execution gear is arranged to same axis and positioned by valve seat.Due to thimble assembly without
Armature spindle need to be positioned by bottom end cover, therefore the machining accuracy and assembly precision of thimble assembly can be reduced.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：
Compared with prior art, the second end of the second sleeve pipe of thimble assembly is no longer provided with bottom end cover.So, by sleeve pipe
When component is arranged on the valve seat of control valve, thimble assembly armature spindle and is held without being positioned by bottom end cover to armature spindle
The gear shaft of row gear is arranged to same axis and positioned by valve seat.Because thimble assembly need not be by bottom end cover to rotor
Axle is positioned, therefore can reduce the machining accuracy and assembly precision of thimble assembly.Therefore, the thimble assembly can improve product
Reliability, reduce production cost.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. thimble assembly, it is characterised in that including：First sleeve (61), the first end of the first sleeve (61) have mounting hole, the second end of the first sleeve (61) For open end；Second sleeve pipe (62), the first end of second sleeve pipe (62) have closed end cap (63), second sleeve pipe (62) Second end is open end and is tightly connected by the mounting hole and the first sleeve (61).
- 2. thimble assembly according to claim 1, it is characterised in that it is fixed to be provided with the inwall of the closed end cap (63) Position hole (631).
- 3. thimble assembly according to claim 2, it is characterised in that the closed end cap (63) is described with being directed away from The boss (632) that the side at the second end of the second sleeve pipe (62) upwardly extends, the positioning hole (631) are formation in the boss (632) blind hole in.
- 4. thimble assembly according to claim 3, it is characterised in that the blind hole and the inwall of second sleeve pipe (62) Punch forming together.
- 5. thimble assembly according to claim 1, it is characterised in that tube shape bulge (64) is provided with the mounting hole, Second end of second sleeve pipe (62) is inserted into the tube shape bulge (64) and is tightly connected with the tube shape bulge (64).
- 6. thimble assembly according to claim 5, it is characterised in that the tube shape bulge (64) is towards the first sleeve (61) the direction extension at the second end.
- 7. thimble assembly according to claim 5, it is characterised in that the tube shape bulge (64) is directed away from described first The direction extension at the second end of sleeve pipe (61).
- 8. thimble assembly according to claim 1, it is characterised in that the second end of second sleeve pipe (62) and described the Sleeve (61) sealing welding.
- 9. thimble assembly according to claim 1, it is characterised in that the first sleeve (61) and second sleeve pipe (62) material is metal.
- A kind of 10. control valve, it is characterised in that including：Valve seat (10), normally opened valve port and multiple switching valve ports are provided with the valve seat (10)；Thimble assembly, it is set on the valve seat (10), described sleeve pipe component is the set any one of claim 1 to 9 Tube assembly；Sliding block (20), it is movably disposed on the valve seat (10), the sliding block (20) is used to control the multiple switching valve The opening and closing switching of mouth；Central shaft (30), bottom are fixed on the valve seat (10), and the top of the central shaft (30) is located at described sleeve pipe component Interior, the sliding block (20) is set on the central shaft；Rotor part (40), it is set on the central shaft (30), the rotor part (40) includes drive gear (41)；Gear (50) is performed, is set on the central shaft (30), and drives the sliding block (20) mobile；Travelling gear, be arranged between the drive gear (41) and execution gear (50), and with the drive gear (41) and the execution gear (50) is engaged.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610729382.0A CN107781499A (en) | 2016-08-24 | 2016-08-24 | Thimble assembly and there is its control valve |
| JP2019511547A JP2019528413A (en) | 2016-08-24 | 2017-08-23 | Sleeve assembly, control valve having the same, and air conditioning system |
| KR1020197007763A KR20190035914A (en) | 2016-08-24 | 2017-08-23 | Sleeve assembly, control valve and air conditioning system having same |
| PCT/CN2017/098623 WO2018036511A1 (en) | 2016-08-24 | 2017-08-23 | Sleeve assembly and control valve and air conditioning system having the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610729382.0A CN107781499A (en) | 2016-08-24 | 2016-08-24 | Thimble assembly and there is its control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107781499A true CN107781499A (en) | 2018-03-09 |
Family
ID=61245502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610729382.0A Pending CN107781499A (en) | 2016-08-24 | 2016-08-24 | Thimble assembly and there is its control valve |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2019528413A (en) |
| KR (1) | KR20190035914A (en) |
| CN (1) | CN107781499A (en) |
| WO (1) | WO2018036511A1 (en) |
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- 2017-08-23 KR KR1020197007763A patent/KR20190035914A/en not_active Ceased
- 2017-08-23 WO PCT/CN2017/098623 patent/WO2018036511A1/en active Application Filing
- 2017-08-23 JP JP2019511547A patent/JP2019528413A/en active Pending
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| CN1290197A (en) * | 1998-02-17 | 2001-04-04 | 科西马国际公司 | Self-extruded bushing assembly and method for making the same |
| CN1952453A (en) * | 2005-10-18 | 2007-04-25 | 浙江三花制冷集团有限公司 | Electromagnetic sliding valve |
| CN201222686Y (en) * | 2008-06-10 | 2009-04-15 | 许晓华 | Joint head device for press-loading shaft |
| JP2010084939A (en) * | 2008-09-08 | 2010-04-15 | Fuji Koki Corp | Four-way switch valve |
| CN201389732Y (en) * | 2009-02-20 | 2010-01-27 | 杭州富阳奥泰电器厂 | Motor fan blade press-fit device |
| CN101992386A (en) * | 2010-10-25 | 2011-03-30 | 攀枝花钢城集团有限公司 | Assembling and manufacturing method for body of carrier roller of belt conveyor |
| CN103375606A (en) * | 2012-04-25 | 2013-10-30 | 浙江三花股份有限公司 | Motor-driven three-way valve |
| CN104964066A (en) * | 2015-06-29 | 2015-10-07 | 上海康源电气有限公司 | Electric switching valve with speed reduction device and refrigerator system utilizing electric switching valve |
| CN204784855U (en) * | 2015-06-29 | 2015-11-18 | 上海康源电气有限公司 | Take decelerator's electronic diverter valve and use refrigerator system of this electronic diverter valve |
| CN107620825A (en) * | 2016-07-14 | 2018-01-23 | 浙江三花智能控制股份有限公司 | A kind of electric T-shaped valve and refrigeration plant |
| CN107620813A (en) * | 2016-07-14 | 2018-01-23 | 浙江三花智能控制股份有限公司 | A kind of electric T-shaped valve and refrigeration plant |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018036511A1 (en) | 2018-03-01 |
| KR20190035914A (en) | 2019-04-03 |
| JP2019528413A (en) | 2019-10-10 |
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