CN109563946A - Slide valve and refrigerating circulation system - Google Patents
Slide valve and refrigerating circulation system Download PDFInfo
- Publication number
- CN109563946A CN109563946A CN201780048073.XA CN201780048073A CN109563946A CN 109563946 A CN109563946 A CN 109563946A CN 201780048073 A CN201780048073 A CN 201780048073A CN 109563946 A CN109563946 A CN 109563946A
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- China
- Prior art keywords
- mentioned
- piston
- slide valve
- fitting portion
- limit plate
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Classifications
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- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
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- 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
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
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- 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
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
- Fluid-Driven Valves (AREA)
- Sliding Valves (AREA)
- Valve Housings (AREA)
Abstract
In slide valve, stablizes the limit function relative to piston (3), reduce the deviation of working performance.The end of the cylindrical portion (101) of valve casing (10) is closed using body (1).In the inside of the fitting portion (11) of the inside for the cylindrical portion (101) for being embedded in body (1), width expansion portion (12) are set.Make end face (11a) flush of the expansion confined planes (12a) in width expansion portion (12) and limit plate (32) side (piston (3) side) of fitting portion (11).Abut the limit plate (32) of piston (3) with expansion confined planes (12a) together with end face (11a).The contact portion relative to limit plate (32) is expanded as a result, and is equivalent to the amount for expanding confined planes (12a).Reduce the difference of contact area using the part as maximum width and the part as minimum widith of contact portion, so that limit function be made to stablize.
Description
Technical field
The present invention relates to the slide valves and refrigerating circulation system of the flowing of control fluid.
Background technique
In the past, as slide valve used in refrigerating circulation system etc., there are such as Japanese Unexamined Patent Publication 2004-125238 public affairs
Report slide valve disclosed in (patent document 1) and Japanese Unexamined Patent Publication 2007-247865 bulletin (patent document 2).These slide valves exist
The inside of cylindric valve casing configures spool on valve seat and the spool is linked to a pair of pistons, using being applied to piston
The pressure of fluid slides spool.
Fig. 8 is, for example, the enlarged cross-sectional view of the end of the valve casing of the slide valve of patent document 1.The slide valve is switching valve, valve casing 9
It is constituted by being fitted into body 92 in the end of cylindrical portion 91.Piston 93 is installed on the end of link plate 94, by the link plate 94
Keep spool (not shown).In addition, piston 93 is configured to clamp springs 93c and lining between fixed disc 93a and limit plate 93b
93d is padded, piston 93 can be reciprocal by the direction axis L for padding the one edge valve casing 9 of inner peripheral surface that 93d presses on cylindrical portion 91 on one side
It is mobile.Also, piston 93 and link plate 94 (and spool) pass through the limit plate 93b of piston 93 and the fitting portion 92a of body 92
It abuts and the end stopping in valve casing 9.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2004-125238 bulletin
Patent document 2: Japanese Unexamined Patent Publication 2007-247865 bulletin
Summary of the invention
Problems to be solved by the invention
In above-mentioned slide valve, when the limit plate 93b of piston 93 is abutted with the fitting portion 92a of body 92, if piston 93
It is abutted centered on axis L, then the contact portion of limit plate 93b and fitting portion 92a becomes as shown in the grid line of Fig. 9
Point.In addition, Fig. 9 and Figure 10 are the A-A cross-sectional views of Fig. 8.However, in the case where piston 93 is deviated from axis L, limit plate
Part shown in grid line of the contact portion of 93b and fitting portion 92a for example as Figure 10.Therefore, the difference of contact area is connecing
The part as maximum width and the part as minimum widith of contact portion point become larger, and limit function becomes unstable.Therefore, sliding
The working performance of valve generates deviation.Such case is for example also identical in such two-way open and close valve disclosed Patent Document 2.
Project of the invention is to stablize the limit function relative to piston in slide valve, reduces the deviation of working performance.
Solution for solving the problem
The slide valve of scheme 1 utilizes the mobile spool of piston in the valve casing of tubular, and in the piping being connect with above-mentioned valve casing
The flowing of the fluid of flowing is controlled, above-mentioned valve casing by cylindrical shape cylindrical portion and close the cylindrical portion both ends body
It constitutes, above-mentioned body has the cricoid fitting portion for the inside for being embedded in above-mentioned cylindrical portion, makes above-mentioned piston in above-mentioned body side
Stop, above-mentioned slide valve is characterized in that, above-mentioned body the above-mentioned fitting portion of ratio in the inner part, have the limit plate with above-mentioned piston
The expansion confined planes of abutting.
The slide valve of scheme 2 slide valve according to scheme 1, which is characterized in that be configured to make the above-mentioned limit of above-mentioned piston
Plate abuts with the above-mentioned fitting portion of above-mentioned body and stops the piston, is equipped with width in the inside of the above-mentioned fitting portion of above-mentioned body
Expansion section is spent, which there is the above-mentioned expansion concordant with the end face surface of above-mentioned piston side of above-mentioned fitting portion to limit
Face.
The slide valve of scheme 3 slide valve according to scheme 2, which is characterized in that above-mentioned width expansion portion and above-mentioned body
Above-mentioned fitting portion is formed as one.
The slide valve of scheme 4 slide valve according to scheme 2, which is characterized in that above-mentioned width expansion portion is by being embedded in above-mentioned bolt
The endless member of the inside of the above-mentioned fitting portion of body is constituted.
The slide valve of scheme 5 slide valve according to scheme 1, which is characterized in that have cyclic annular limit plate, the ring-type limit plate
Set on the above-mentioned piston side of the above-mentioned fitting portion of above-mentioned body, by the one of the bearing surface of the above-mentioned piston side of above-mentioned cyclic annular limit plate
Part constitutes above-mentioned expansion confined planes.
The refrigerating circulation system of scheme 6 has slide valve described in 1 to 5 any one of scheme.
The effect of invention
According to the invention of scheme 1, when piston stops, positioned at the expansion confined planes in the inner part of the fitting portion than body and work
The limit plate of plug abuts, and the interior side contacts area relative to the limit plate in fitting portion increases.Therefore, even if piston is from valve casing
The difference of the off-centring of cylindrical portion, the contact area of the end of the offset direction can also become smaller, and limit function is stablized, the work of slide valve
The deviation for making performance is reduced.
According to the invention of scheme 2, other than the effect of scheme 1, the end face of the piston side of the fitting portion of body and Qi Nei
The expansion confined planes of side are abutted with the limit plate of piston, therefore the contact area relative to limit plate further increases, offset side
To end contact area difference further become smaller.
According to the invention of scheme 3, other than the effect of scheme 2, have expand confined planes width expansion portion with it is chimeric
Portion is formed as one, therefore expansion confined planes just only can be arranged by the processing of body, therefore the assembling operation of valve casing becomes
It is easy.
According to the invention of scheme 4, other than the effect of scheme 2, only by by endless member be embedded in body fitting portion
Inside expansion confined planes just can be set, therefore do not need the further processing relative to body, be able to use previous structure
Part.
According to the invention of scheme 5, other than the effect of scheme 1, only it is arranged by the piston side of the fitting portion in body
Cyclic annular limit plate just can constitute expansion confined planes.
The cold of high reliablity can be obtained since the deviation of the working performance of slide valve is reduced according to the invention of scheme 6
Freeze the circulatory system.
Detailed description of the invention
Fig. 1 is the slide valve for indicating first embodiment of the invention and the figure of refrigerating cycle.
Fig. 2 is the enlarged cross-sectional view of the end of the valve casing in the slide valve of first embodiment.
Fig. 3 is the contact in the centrally located situation of piston in the slide valve for indicate first embodiment relative to limit plate
Partial figure.
Fig. 4 is the contact portion in the case where the piston excursion in the slide valve for indicate first embodiment relative to limit plate
Figure.
Fig. 5 is the enlarged cross-sectional view of the end of the valve casing in the slide valve of second embodiment.
Fig. 6 is the enlarged cross-sectional view of the end of the valve casing in the slide valve of third embodiment.
Fig. 7 is the enlarged cross-sectional view of the end of the valve casing in the slide valve of the 4th embodiment.
Fig. 8 is the enlarged cross-sectional view of the end of the valve casing in previous slide valve.
Fig. 9 is the contact portion in the centrally located situation of piston indicated in previous slide valve relative to limit plate
Figure.
Figure 10 is the figure in the case where the piston excursion indicated in previous slide valve relative to the contact portion of limit plate.
Specific embodiment
Hereinafter, embodiments of the present invention will be described.Fig. 1 is to indicate the slide valve of embodiments of the present invention and cold
Freeze the figure of the circulatory system, Fig. 2 is the enlarged cross-sectional view of the end of the valve casing in the slide valve of embodiment.The slide valve of the embodiment
100 be four-way switching valve, as described later like that, is switched by pilot valve 200.Slide valve 100 has valve seat in valve casing 10
2, a pair of pistons 3,3, link plate 4, spool 5.
Valve casing 10 is tubular, is made of the cylindrical portion 101 of cylindrical shape and two bodies 1,1.Body 1,1 is respectively with blocking
The mode of the end of cylindrical portion 101 is installed on cylindrical portion 101 by solder brazing or welding etc., cylindrical portion 101 and body 1,1
Central axis becomes the axis L of valve casing 10.Axis L is the glide direction of piston 3,3 and spool 5 described hereinafter.In cylinder
One position of the side in portion 101 is equipped with conducting in D connector 6d, D connector 6d and valve casing 10 by welding or solder brazing etc..
In valve seat 2, the direction axis L along valve casing 10 is point-blank formed with the port the E port 2a, S 2b and C side by side
Port 2c, in these port E ports 2a, S, 2b, C port 2c are separately installed with E connector 6a, S connector 6b, C connector 6c.
A pair of pistons 3,3 mutually opposed configurations, each by fixed disc 31 and 32 clamp springs 33 of limit plate and liner
34, which can push the 34 1 edge directions axis L of liner in the inner peripheral surface of cylindrical portion 101 on one side and move back and forth.By
This, the inside of valve casing 10 is separated into two work of the two sides main valve chamber 10A and main valve chamber 10A of central portion by two pistons 3,3
Room 10B, 10B.
Link plate 4 is made of metal plate, which is erected at piston in the mode being configured on the axis L of valve casing 10
3, between 3.In addition, being formed in link plate 4 the retaining hole 4a of spool 5 is kept at its center and positioned at the saturating of the two sides of spool 5
Hole 4b, 4c.The bowl portion 51 of spool 5 is embedded in retaining hole 4a and is held in link plate 4.If also, piston 3,3 is mobile, spool 5
It interlocks with link plate 4 and is slided on the valve seat of valve seat 2 along the direction axis L (glide direction), and stop at scheduled left and right
Position.
Bowl-like depression 51A is formed in spool 5, and in the inside in bowl portion 51.Also, spool 5 is in the end on the right side of Fig. 1
The port S 2b and C port 2c is connected by bowl-like depression 51A in position.At this point, the port E 2a is in main valve chamber 10A mainly via open-work
4b and be connected with D connector 6d.In addition, spool 5 the left side of Fig. 1 end position by bowl-like depression 51A be connected the port S 2b with
The port E 2a.At this point, C port 2c is mainly connected via open-work 4c with D connector 6d in main valve chamber 10A.
Refrigerating circulation system shown in FIG. 1 is used in the air conditioners such as room air conditioner, has: slide valve 100；Pilot valve
200；The compressor 300 that refrigerant is compressed；The indoor heat exchanger 400 functioned when refrigeration mode as evaporator；
The outdoor heat exchanger 500 functioned when refrigeration mode as condenser；And make refrigerant heat exchanger 400 and outdoor indoors
The expansion valve 600 as expansion mechanism to depressurize is expanded between heat exchanger 500, they are linked by refrigerant piping.This
Outside, as expansion mechanism, however it is not limited to which expansion valve 600 is also possible to capillary.As described above, the freezing of the embodiment follows
Loop system is configured to, and meets the D connector 6d connecting with the discharge side of compressor 300, the S connecting with the suction side of compressor 300
Head 6b, the E connector 6a connecting with the indoor heat exchanger 400 of a side and the C connecting with the outdoor heat exchanger 500 of another party connect
Head 6c is respectively relative to the conducting of valve casing 10, using spool 5 relative to S connector 6b alternatively switched conductive E connector 6a or C connector
6c, and will be led in non-conduction C connector 6c or E connector 6a and D connector 6d relative to S connector 6b via in valve casing 10
It is logical.
Pilot valve 200 is connect by conduit 7a~7d with slide valve 100.Pilot valve 200 is, for example, identical with slide valve 100
Construction switches flow path by the mobile spool such as electromagnetic driver.Also, the pilot valve 200 passes through the left side with slide valve 100
The conduit 7b and the conduit 7c that is connected to the operating room 10B on right side of operating room 10B connection switches the S connector 6b with slide valve 100
The connection destination of the conduit 7a of connection is switched by conduit 7c and conduit 7b connect with the D connector 6d of slide valve 100 at the same time
The connection destination of logical conduit 7d.
I.e., relative to the left and right of slide valve 100 operating room 10B, 10B and between two operating room 10B, 10B switching make a side
The state for depressurizing and another party being made to be in high pressure.As a result, by the height of the pressure of the operating room 10B after decompression and main valve chamber 10A
The pressure difference of the pressure of pressure is applied to the piston 3 of the operating room side 10B after decompression.Piston 3, link plate 4 and spool 5 as a result,
It is mobile, switch the position of the spool 5 to switch the flow path of refrigerating cycle.In addition, the refrigerant for the high pressure compressed by compressor 300
It is flowed into main valve chamber 10A from D connector 6d, in the state of refrigeration operation, high-pressure refrigerant flows into outdoor heat exchanger from C connector 6c
500.In addition, high-pressure refrigerant flows into indoor heat exchanger 400 from E connector 6a in the state of heating operation.
In slide valve 100, when the movement by spool 5 is to switch flow path, the limit plate 32 of piston 3 is abutted with body 1,
The mobile stopping of piston 3 and spool 5.As shown in Fig. 2, body 1 has the cricoid chimeric of the inside for being embedded in cylindrical portion 101
Portion 11.In addition, being equipped with width expansion portion 12 in the inside of the fitting portion 11, which has the limit with fitting portion 11
The expansion confined planes 12a of the end face 11a flush of position 32 side of plate (3 side of piston).In this embodiment, width expansion portion 12
It is formed as one with the fitting portion 11 of body 1.In addition, fitting portion 11 and width expansion portion 12 are revolved centered on axis L
Turn symmetrical shape, the boundary of the fitting portion 11 and width expansion portion 12 is illustrated with double dot dash line.In this way, by fitting portion 11 and width
The thickness for spending the radial direction of the part of expansion section 12 altogether is thicker than the wall thickness of the other parts of body 1.
Fig. 3 is when indicating that limit plate 32 is abutted with body 1, piston 3 be located in the case where the center of axis L relative to
The figure of the contact portion of limit plate 32.In addition, Fig. 3 and Fig. 4 are the A-A cross-sectional views of Fig. 2.As described above, in the embedding of body 1
The inside in conjunction portion 11, which has, expands confined planes 12a, therefore the end face of 32 side of limit plate of the expansion confined planes 12a and fitting portion 11
11a is abutted with the limit plate 32 of piston 3, stops piston 3.As a result, as shown in figure 3, compared with above-mentioned previous structure, phase
The contact portion (part of grid line) of the abutting part of limit plate 32 is expanded and is equivalent to the amount for expanding confined planes 12a.Therefore,
For example, as shown in figure 4, even if in the case where piston 3 is deviated from axis L, the contact surface of the end of the offset direction of contact portion
Long-pending difference can also become smaller, and limit function is stablized, and the deviation of the working performance of slide valve is reduced.
Fig. 5 is the enlarged cross-sectional view of the end of the valve casing in the slide valve of second embodiment.In addition, in each implementation below
In mode, the enlarged cross-sectional view of the end of valve casing is illustrated, but the other structures and freezing of the slide valve of each embodiment
The circulatory system is identical with first embodiment.In addition, for element same as the first embodiment mark and Fig. 1 to Fig. 4 phase
Simultaneously the repetitive description thereof will be omitted for same symbol.
In the second embodiment of Fig. 5, width expansion portion 13, the width expansion portion 13 are equipped in the inside of fitting portion 11
The expansion confined planes 13a of end face 11a flush with 32 side of limit plate (3 side of piston) with fitting portion 11.In the implementation
In mode, width expansion portion 13 and the fitting portion 11 of body 1 are formed as one.In addition, fitting portion 11 and width expansion portion 13
It is and the shape of rotational symmetry centered on axis L.In this way, by fitting portion 11 and the half of the part of width expansion portion 13 altogether
The thickness in diameter direction is thicker than the wall thickness of the other parts of body 1.
In the third embodiment of Fig. 6, width expansion portion 14, the width are equipped in the inside of the fitting portion 11 of body 1
Expansion section 14 has the expansion confined planes 14a with the end face 11a flush of 32 side of limit plate (3 side of piston) of fitting portion 11.
The width expansion portion 14 is made of the endless member 14A of the inside of insertion fitting portion 11.Endless member 14A is fixed by indentation etc.
In fitting portion 11.In this embodiment, the uniform wall thickness of body 1 is advisable, therefore manufacture becomes easy.
In the 4th embodiment of Fig. 7, body 1 ' has the cricoid fitting portion for the inside for being embedded in cylindrical portion 101
11′.Compared with the fitting portion 11 of first embodiment etc., the width in the direction axis L shortens the fitting portion 11 ' of the embodiment,
Has the cyclic annular limit plate 15 set on 32 side of limit plate of the fitting portion 11 '.The ring-type limit plate 15 is set to the platform of cylindrical portion 101
Between rank portion and body 1 ', fixed together by the riveting of cylindrical portion 101 with body 1 '.Also, cyclic annular limit plate 15 is limiting
Position 32 side of plate has bearing surface 15a, is made of a part of bearing surface 15a and expands confined planes 15a1.In this embodiment,
Identical as third embodiment, the uniform wall thickness of body 1 ' is advisable, therefore manufacture becomes easy.
In above second embodiment and third embodiment, expand confined planes 13a, 14a and fitting portion 11
The end face 11a of 32 side of limit plate is abutted with the limit plate 32 of piston 3 together, stops piston 3.Accordingly, with respect to limit plate 32
Abutting part contact portion compared with previous structure, expand the amount of 13a, 14a of being equivalent to, it is identical with first embodiment,
Even if piston 3 from axis L deviate in the case where, the contact area of the end of the offset direction of contact portion difference can also become smaller,
Limit function is stablized, and the deviation of the working performance of slide valve is reduced.
In addition, in the fourth embodiment, the bearing surface 15a in 32 side of limit plate of cyclic annular limit plate 15, which has, expands limit
Plane 15a, the contact portion of abutting part when being abutted with the limit plate 32 of piston 3, relative to limit plate 32 and previous knot
Structure is compared, and the amount for being equivalent to and expanding confined planes 15a1 is expanded, even if in the case where piston 3 is deviated from axis L, contact portion
The difference of the contact area of the end of offset direction can also become smaller, and limit function is stablized, and the deviation of the working performance of slide valve is reduced.
In addition, the body 1,1 ' of above each embodiment using metal parts such as brass as base material, passes through cold rolling forging, punching
It presses processing etc. and is formed.In addition, the inside of Xiang Shuanti 1 bloats as the width expansion portion 13 in second embodiment (Fig. 5)
Position form the fitting portion of slightly long tubular and then the secondary forging process by punching press is formed.The forming method of body
It is also possible to other methods of cutting etc..
In addition, in the above embodiment, the slide valve constituted as four-way switching valve is illustrated, do not say and
Analogy, slide valve of the invention for example also can be applied to carry out the flow path of fluid (refrigerant) as the slide valve of patent document 2
The two-port valve of opening and closing.Also, the slide valve applied to this two-port valve is for example in refrigerating circulation system in addition to can be used in hot gas
Other than the opening and closing of the bypass circulation of defrosting formula is used, additionally it is possible to the opening and closing etc. for flow path required for biggish flow.
More than, the embodiments of the present invention are described in detail with reference to the drawings, but specific structure is not limited to
These embodiments, the change etc. for not departing from the design of the range of purport of the invention are also included in the present invention.
The explanation of symbol
10-valve casings, 101-cylindrical portions, 1-body, 11-fitting portions, 11a-end face, 12-width expansion portions,
12a-expansion confined planes, 13-width expansion portions, 13a-expansion confined planes, 14-width expansion portions, 14A-endless member,
14a-expansion confined planes, 1 '-body, 11 '-fitting portions, 15-cyclic annular limit plates, 15a-bearing surface, 15a1-expansion limit
Plane, 2-valve seats, 3-pistons, 31-fixed discs, 32-limit plates, 33-springs, 34-liners, 4-link plates, 5-
Spool, 6a-E connector, 6b-S connector, 6c-C connector, 6d-D connector, 100-slide valves, 200-pilot valves, 300-compressions
Machine, 400-indoor heat exchangers, 500-outdoor heat exchangers, 600-expansion valves.
Claims (6)
1. a kind of slide valve, using the mobile spool of piston in the valve casing of tubular, and in the piping stream being connect with above-mentioned valve casing
The flowing of dynamic fluid is controlled,
Above-mentioned valve casing is made of the body at the cylindrical portion of cylindrical shape and the both ends for closing the cylindrical portion, and above-mentioned body has chimeric
Cricoid fitting portion in the inside of above-mentioned cylindrical portion stops above-mentioned piston in above-mentioned body side,
Above-mentioned slide valve is characterized in that,
Above-mentioned body the above-mentioned fitting portion of ratio in the inner part, have the expansion confined planes abutted with the limit plate of above-mentioned piston.
2. slide valve according to claim 1, which is characterized in that
It is configured to abut the above-mentioned limit plate of above-mentioned piston with the above-mentioned fitting portion of above-mentioned body and stop the piston, upper
The inside for stating the above-mentioned fitting portion of body is equipped with width expansion portion, which has the above-mentioned piston with above-mentioned fitting portion
The concordant above-mentioned expansion confined planes of the end face surface of side.
3. slide valve according to claim 2, which is characterized in that
Above-mentioned width expansion portion and the above-mentioned fitting portion of above-mentioned body are formed as one.
4. slide valve according to claim 2, which is characterized in that
Above-mentioned width expansion portion is made of the endless member for being embedded in the inside of the above-mentioned fitting portion of above-mentioned body.
5. slide valve according to claim 1, which is characterized in that
Has cyclic annular limit plate, which is set to the above-mentioned piston side of the above-mentioned fitting portion of above-mentioned body, by above-mentioned ring
A part of the bearing surface of the above-mentioned piston side of shape limit plate constitutes above-mentioned expansion confined planes.
6. a kind of refrigerating circulation system, which is characterized in that
Has slide valve described in any one of Claims 1 to 5.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016166021A JP6670208B2 (en) | 2016-08-26 | 2016-08-26 | Slide valve and refrigeration cycle system |
| JP2016-166021 | 2016-08-26 | ||
| PCT/JP2017/028260 WO2018037876A1 (en) | 2016-08-26 | 2017-08-03 | Slide valve and refrigeration cycle system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109563946A true CN109563946A (en) | 2019-04-02 |
| CN109563946B CN109563946B (en) | 2020-10-16 |
Family
ID=61245710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780048073.XA Active CN109563946B (en) | 2016-08-26 | 2017-08-03 | Slide valve and refrigeration cycle system |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6670208B2 (en) |
| CN (1) | CN109563946B (en) |
| WO (1) | WO2018037876A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7150194B2 (en) * | 2019-11-12 | 2022-10-07 | 三菱電機株式会社 | Outdoor unit and air conditioner |
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| CN102057197A (en) * | 2008-06-12 | 2011-05-11 | 三电有限公司 | Control valve and air conditioner equipped with the valve |
| CN202149649U (en) * | 2011-03-30 | 2012-02-22 | 浙江盾安禾田金属有限公司 | Self-operated three-way valve |
| JP2012082883A (en) * | 2010-10-08 | 2012-04-26 | Saginomiya Seisakusho Inc | Valve element for channel switching valve |
| JP2012159100A (en) * | 2011-01-31 | 2012-08-23 | Fuji Koki Corp | Three-way switching valve |
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2016
- 2016-08-26 JP JP2016166021A patent/JP6670208B2/en active Active
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2017
- 2017-08-03 WO PCT/JP2017/028260 patent/WO2018037876A1/en active Application Filing
- 2017-08-03 CN CN201780048073.XA patent/CN109563946B/en active Active
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| JPH025602U (en) * | 1988-06-24 | 1990-01-16 | ||
| JP2004125238A (en) * | 2002-10-01 | 2004-04-22 | Saginomiya Seisakusho Inc | Valve element for four-way switching valve, and its manufacturing method |
| CN102057197A (en) * | 2008-06-12 | 2011-05-11 | 三电有限公司 | Control valve and air conditioner equipped with the valve |
| JP2012082883A (en) * | 2010-10-08 | 2012-04-26 | Saginomiya Seisakusho Inc | Valve element for channel switching valve |
| JP2012159100A (en) * | 2011-01-31 | 2012-08-23 | Fuji Koki Corp | Three-way switching valve |
| CN202149649U (en) * | 2011-03-30 | 2012-02-22 | 浙江盾安禾田金属有限公司 | Self-operated three-way valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6670208B2 (en) | 2020-03-18 |
| JP2018031461A (en) | 2018-03-01 |
| WO2018037876A1 (en) | 2018-03-01 |
| CN109563946B (en) | 2020-10-16 |
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