CN107917243B - Rotary three-way valve - Google Patents
Rotary three-way valve Download PDFInfo
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- CN107917243B CN107917243B CN201610882396.6A CN201610882396A CN107917243B CN 107917243 B CN107917243 B CN 107917243B CN 201610882396 A CN201610882396 A CN 201610882396A CN 107917243 B CN107917243 B CN 107917243B
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- gear
- rotary
- sliding block
- slider
- hole
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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
- F16K11/072—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 pivoted closure members
- F16K11/074—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 pivoted closure members with flat sealing faces
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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
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
- F16K31/061—Sliding valves
- F16K31/0617—Sliding valves with flat slides
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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
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/535—Mechanical actuating means with toothed gearing for rotating valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a rotary three-way valve, which belongs to the field of control valves and solves the problems of inconvenient processing and installation and low flow control precision of the rotary three-way valve. According to the invention, the rotary sliding block, the pin and the sliding block gear are connected into a whole, so that the assembly difficulty of the rotary sliding block and the sliding block gear is reduced, and the elastic element is ensured to provide stable pre-tightening force for the rotary sliding block.
Description
Technical Field
The invention relates to the field of control valves, in particular to a rotary three-way valve.
Background
The valve can be divided into a direct-acting valve and a rotary valve, the direct-acting three-way valve mainly realizes the switching of two inlets or outlets through the linear motion of a valve core, and the rotary three-way valve mainly realizes the switching of the opening and the closing of the two inlets or outlets and the flow control through the rotary motion of a rotating part. The traditional rotary three-way valve has the defects of complex structure, large volume, high power consumption and the like.
In order to solve the above problems, the prior art provides a rotary valve, including valve body, the valve gap that the lid fits on the valve body and setting and the motor on the valve gap, the valve gap cooperates with the valve body and is formed with the holding chamber inside, is equipped with main exhaust passage, first minute air flue and second minute air flue on the valve body, is equipped with the main intake duct that switches on with the holding chamber on the valve gap, but the holding intracavity is equipped with the slider rotary mechanism that the circulated switching switched on first minute air flue and second minute air flue. Through the rotation of slider rotary mechanism in the above-mentioned scheme, realize the switching of main exhaust passageway and first minute air flue and second minute air flue, but this scheme motor drive rotatory slider pivoted transmission is less, and the spring is relatively poor at slider rotary mechanism rotation in-process stability, influences the leakproofness and the normal rotation of slider, is unfavorable for the accurate control of each minute air flue flow.
Disclosure of Invention
The invention aims to provide a rotary three-way valve which is convenient to machine and install and high in flow control precision.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a rotation type three-way valve, includes valve body, disk seat and drive arrangement, and drive arrangement connects in the valve body, and the valve body is connected with the disk seat and forms the valve pocket, is equipped with first flow through hole, second flow through hole and the third flow through hole all with the valve pocket intercommunication on the disk seat, is equipped with planetary gear mechanism and rotatory slider in the valve pocket, is equipped with the slider gear on the rotatory slider, and slider gear and planetary gear mechanism meshing transmission, rotatory slider is equipped with the round pin post towards one side of planetary gear mechanism, and the cover is equipped with elastic element on the round pin post, and elastic element supports on the valve body, slider gear, round pin post and rotatory slider integrated into one piece.
Furthermore, the elastic element comprises a compression spring, a rolling assembly is arranged on the compression spring, and the rolling assembly abuts against the valve body and is in rolling contact with the valve body.
Furthermore, the rolling assembly comprises a supporting plate and a ball, the supporting plate is in clearance fit with the free end of the pin, two ends of the compression spring are respectively abutted to the rotating slide block and the supporting plate, a ball groove is formed in one side, facing the driving device, of the supporting plate, and the ball is arranged in the ball groove and is in rolling contact with the valve body.
Furthermore, an inner hole and a circulation groove are arranged in the rotary sliding block, the circulation groove is communicated with the inner hole and the valve cavity, and the inner hole is communicated with the first flow through hole.
Furthermore, a bearing seat is arranged on the valve seat and fixed in the first flow through hole, and the bearing seat extends into the inner hole and is rotatably connected to the rotary sliding block through a bearing.
Furthermore, the planetary gear mechanism comprises a planet carrier, a central gear and a planetary gear, the sliding block gear and the central gear are coaxially arranged, the driving device drives the planet carrier to rotate, the planetary gear is connected with the planet carrier and meshed with the central gear, and the planetary gear is meshed with the sliding block gear and drives the rotary sliding block to rotate.
Furthermore, the planetary gear comprises a first gear and a second gear, the first gear is connected with the second gear and is coaxially arranged, the first gear is externally meshed with the central gear, and the second gear is externally meshed with the slider gear.
Furthermore, the planet carrier comprises a planet wheel shaft, the first gear and the second gear are rotationally connected with the planet wheel shaft, the planet wheel shaft is provided with a limiting pressing sheet and a limiting conical column which are respectively positioned at two sides of the planet gear, the limiting pressing sheet corresponds to the second gear, the limiting conical column is coaxially arranged with the planet wheel shaft, the small end of the limiting conical column faces towards the first gear, and the diameter of the central hole of the first gear is larger than that of the small end of the limiting conical column and smaller than that of the large end of the limiting conical column.
Furthermore, the driving device comprises a magnetic rotor and a sleeve, the magnetic rotor is arranged in the sleeve and connected with the planet carrier, the sleeve is connected with the valve body, the central gear is provided with a central wheel shaft, and the central wheel shaft penetrates through the magnetic rotor and is connected to the sleeve.
Furthermore, the edge of the rotating slider is provided with three convex angles arranged along the circumferential direction, a concave part is arranged between every two adjacent convex angles, and the second flow through hole and the third flow through hole correspond to different concave parts.
After the technical scheme is adopted, the invention has the following advantages:
1. on one hand, the rotary sliding block, the pin column and the sliding block gear are connected into a whole, so that the number of parts needing to be assembled on the rotary sliding block is reduced, the installation procedure is simplified, the assembly difficulty of the rotary sliding block and the sliding block gear is reduced, meanwhile, the stability and the reliability of the integrated forming of the rotary sliding block and the sliding block gear are higher, the coaxiality of the rotary sliding block and the sliding block gear is easy to ensure, the motion track of the rotary sliding block is prevented from being influenced by the abrasion between the rotary sliding block and the sliding block gear, and the flow control precision of the rotary sliding block to each circulation hole is improved; on the other hand, the driving device drives the rotating slide block to rotate through the planetary gear mechanism, so that the transmission ratio is increased, the rotating speed of the rotating slide block is reduced, and the accuracy of the flow control of the rotating slide block to each circulation hole is further improved; finally, the elastic element is arranged to provide an axial pretightening force for the rotary sliding block, the sealing performance between the rotary sliding block and the valve seat is improved, the elastic element is sleeved on the outer side of the pin, and the situation that the elastic element shakes to prevent the stable pretightening force from being provided when the rotary sliding block rotates is avoided.
2. The rolling assembly reduces the friction resistance between the compression spring and the valve body, and avoids the influence of the overlarge friction resistance on the normal rotation of the rotating slide block. The clearance fit of backup pad and round pin post avoids backup pad and round pin post fixed as an organic whole, then has a pretightning force all the time between rotatory slider and the disk seat, guarantees the leakproofness of both junctions.
3. The bearing seat stretches into the inner hole and is connected to the rotary sliding block in a rotating mode through the bearing, axial fixing and circumferential rotation of the rotary sliding block are achieved, the height of the whole rotary sliding block in the axial direction is reduced, and the structure in the valve cavity is compact.
4. The planetary gear comprises a first gear and a second gear, different tooth numbers can be set on the first gear and the second gear to meet the requirements of different transmission ratios, the first gear and the second gear are connected and coaxially arranged, and the synchronous motion of the driving device and the rotating slide block is guaranteed.
5. The first gear and the second gear are rotatably connected with the planetary wheel shaft, and are arranged along the planetary wheel shaft, so that the revolution linear speed and the rotation angular speed of the first gear and the second gear are consistent, and the transmission ratio is convenient to set. The limiting pressing sheet corresponds to the second gear, and the limiting pressing sheet can be abutted against the side face, facing the rotating slide block, of the second gear, so that the planetary gear is prevented from being separated from the planetary gear carrier from the planetary gear shaft. The small end of the limiting conical column faces the first gear, the diameter of a center hole of the first gear is larger than that of the small end of the limiting conical column and smaller than that of the large end of the limiting conical column, the limiting conical column is in line contact with the first gear, and friction between the limiting conical column and the planetary gear is reduced.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a cross-sectional view of a rotary three-way valve according to one embodiment;
FIG. 2 is an exploded view of a rotary three-way valve according to one embodiment;
FIG. 3 is a disassembled view of the rotary slide block and the rolling assembly according to one embodiment;
FIG. 4 is a first block diagram of the rotary slide block according to the first embodiment;
FIG. 5 is a structural diagram of the rotary slider in the first embodiment (II);
FIG. 6 is a schematic view showing the opening state of three flow holes on the valve seat according to the first embodiment.
Detailed Description
The first embodiment is as follows:
the embodiment provides a rotary three-way valve, as shown in fig. 1 to 6, including valve body 1, valve seat 2 and drive arrangement 3, drive arrangement 3 is connected in valve body 1, and valve body 1 is connected with valve seat 2 and forms valve chamber 4, is equipped with first flow through hole 21, second flow through hole 22 and third flow through hole 23 all with valve chamber 4 intercommunication on the valve seat 2, be equipped with planetary gear mechanism and rotatory slider 8 in the valve chamber 4, be equipped with slider gear 81 on the rotatory slider 8, slider gear 81 and planetary gear mechanism meshing transmission, rotatory slider 8 is equipped with round pin post 84 towards one side of planetary gear mechanism, and the cover is equipped with elastic element on the round pin post 84, and elastic element supports on valve body 1, and slider gear 81, round pin post 84 and rotatory slider 8 integrated into one piece.
On one hand, the rotary sliding block 8, the pin 84 and the sliding block gear 81 are connected into a whole, so that the number of parts needing to be assembled on the rotary sliding block 8 is reduced, the installation process is simplified, the assembly difficulty of the rotary sliding block 8 and the sliding block gear 81 is reduced, meanwhile, the stability and the reliability of the integrated forming of the rotary sliding block 8 and the sliding block gear 81 are higher, the coaxiality of the rotary sliding block 8 and the sliding block gear 81 is easily ensured, the influence on the motion track of the rotary sliding block 8 caused by the abrasion between the rotary sliding block 8 and the sliding block gear 81 is avoided, and the flow control precision of the rotary sliding block 8 on each circulation hole is improved; on the other hand, the driving device 3 drives the rotating slide block 8 to rotate through the planetary gear mechanism, so that the transmission ratio is increased, the rotating speed of the rotating slide block 8 is reduced, and the accuracy of the flow control of the rotating slide block 8 to each circulation hole is further improved; finally, the elastic element is arranged to provide an axial pretightening force for the rotary sliding block 8, the sealing performance between the rotary sliding block 8 and the valve seat 2 is improved, and the elastic element is sleeved outside the pin 84, so that the situation that the elastic element shakes to fail to provide a stable pretightening force when the rotary sliding block 8 rotates is avoided.
With continuing reference to fig. 1 to 3, the elastic element includes a compression spring 82, the compression spring 82 is provided with a rolling component, the rolling component is abutted against the valve body 1 and is in rolling contact with the valve body, so as to reduce the frictional resistance between the compression spring 82 and the valve body 1 and avoid the influence of the excessive frictional resistance on the normal rotation of the rotating slider 8. In this embodiment, the rolling assembly includes a support plate 83 and a ball 88, the support plate 83 is in clearance fit with the free end of the pin 84, two ends of the compression spring 82 respectively abut against the rotary slider 8 and the support plate 83, a ball groove 831 is disposed on one side of the support plate 83 facing the driving device, and the ball 88 is disposed in the ball groove 831 and is in rolling contact with the valve body 1. The clearance fit of the supporting plate 83 and the pin 84 avoids the supporting plate 83 and the pin 84 from being fixed into a whole, so that a pretightening force always exists between the rotary sliding block 8 and the valve seat 2, and the sealing performance of the joint of the rotary sliding block 8 and the valve seat 2 is ensured.
With reference to fig. 4, 5 and 6, the first flow hole 21 is provided with a first connecting pipe 11, the second flow hole 22 is provided with a second connecting pipe 12, the third flow hole 23 is provided with a third connecting pipe 13, an inner hole 85 and a flow groove 86 are provided in the rotary slider 8, the inner hole 85 is communicated with the first flow hole 21, and the flow groove 86 is communicated with the inner hole 85 and the valve chamber 4, so as to ensure the communication between the first connecting pipe 11 and the second connecting pipe 12 as well as the communication between the third connecting pipe 13.
The side surface of the rotating slide block 8 facing the valve seat 2 is provided with a groove 87, so that the contact area of the rotating slide block 8 and the valve seat 2 is reduced, and the friction force caused by pressure difference during ventilation is reduced. Be equipped with bearing frame 9 on disk seat 2, bearing frame 9 is fixed in first circulation hole 21, reduce the quantity of trompil on the disk seat 2, guarantee disk seat 2 have sufficient intensity, bearing frame 9 stretches into in hole 85 and rotates through bearing 10 and connect in rotatory slider 8, bearing frame 9 stretches into in hole 85 and rotates with rotatory slider 8 and be connected, reduce whole rotatory slider 8 height at the axial, make the structure in the valve pocket 4 compacter, rotatory slider 8 rotates through bearing 10 and connects in disk seat 2, do benefit to 8 axial fixings of rotatory slider and circumferential direction.
The planetary gear mechanism comprises a planet carrier 5, a central gear 6 and a planetary gear 7, a sliding block gear 81 and the central gear 6 are coaxially arranged, the driving device 3 drives the planet carrier 5 to rotate, the planetary gear 7 is connected with the planet carrier 5 and meshed with the central gear 6, and the planetary gear 7 is externally meshed with the sliding block gear 81 and drives a rotating sliding block 8 to rotate. The planetary gear 7 is externally meshed with the central gear 6, the revolution track of the planetary gear 7 around the central gear 6 is guaranteed to be unchanged, the transmission stability is high, the rotary gear 81 and the central gear 6 are coaxially arranged, the radial size of the whole transmission mechanism in the valve cavity 4 is reduced, and the structure of the whole transmission mechanism is compact.
The planetary gear 7 includes a first gear 71 and a second gear 72, the first gear 71 is connected with the second gear 72 and coaxially disposed, the first gear 71 externally engages with the central gear 6, the second gear 72 externally engages with the slider gear 81, the first gear 71 is connected with the second gear 72 and coaxially disposed, so as to ensure that the driving device 3 and the rotating slider 8 move synchronously, in this embodiment, the number of teeth of the first gear 71 is greater than that of the second gear 72, so as to further increase the transmission ratio of the transmission of the planetary gear 7, so as to enable the rotating slider 8 to accurately control the opening and closing degrees and the flow rates of the second through-flow hole 22 and the third through-flow hole 23, of course, the number of teeth of the first gear 71 may also be less than or equal to that of the second gear 72, and the number of teeth of the first gear 71 and the second gear 72 may be set according to the rotating speed and the flow rate control size of the driving device 3.
The planet carrier 5 comprises a planet wheel shaft 51, the first gear 71 and the second gear 72 are rotationally connected with the planet wheel shaft 51, the first gear 71 and the second gear 72 are arranged along the axial direction of the planet wheel shaft 51, the consistency of the revolution linear speed and the rotation angular speed of the first gear 71 and the second gear 72 is ensured, and the setting of the transmission ratio is convenient. The planet shaft 51 is provided with a limiting pressing sheet 52 and a limiting conical column 53, the limiting pressing sheet 52 and the limiting conical column 53 are positioned at two sides of the planet gear 7, specifically, the limiting pressing sheet 52 corresponds to the second gear 72, the limiting pressing sheet 52 can be abutted against the side surface of the second gear 72 facing the rotating slide block 8, and the planet gear 7 is prevented from being separated from the planet carrier 5 from the free end of the planet shaft 51; the limiting conical column 53 is coaxially arranged with the planet shaft 51, the limiting conical column 53 corresponds to the first gear 71, the limiting conical column 53 limits the planet gear 7 to move towards the driving device 3, the first gear 71 is enabled to be always meshed with the sun gear 6 and the second gear 72 is enabled to be meshed with the slider gear 81, the small end of the limiting conical column 53 faces towards the first gear 71, the diameter of the central hole of the first gear 71 is larger than that of the small end of the limiting conical column 53 and smaller than that of the large end of the limiting conical column 53, the limiting conical column 53 is in line contact with the first gear 71, and friction between the limiting conical column 53 and the planet gear 7 is reduced.
The edge of the rotating slider 8 is provided with three convex angles 89 distributed along the circumferential direction, a concave part is arranged between two adjacent convex angles 89, and the second through-flow hole 22 and the third through-flow hole 23 correspond to different concave parts. FIG. 6a shows the second feedhole 22 fully open and the third feedhole 23 fully closed; FIG. 6b shows the second and third through- flow holes 22 and 23 fully opened; FIG. 6c shows the second feedhole 22 fully closed and the third feedhole 23 fully open; FIG. 6d shows the second through-flow hole 22 being 50% open and the third through-flow hole 23 being 50% open; FIG. 6e shows the second through-flow hole 22 being 70% open and the third through-flow hole 23 being 30% open; FIG. 6f shows that the second through-flow hole 22 is opened by 90% and the third through-flow hole 23 is opened by 10%. Therefore, when the rotating slide block 8 rotates for a certain angle, the three convex angles 89 can be switched to different positions, the flow ratio of the second through hole 22 and the third through hole 23 is changed, and the multi-split flow distribution can be adjusted and can be conducted in the reverse direction.
Other embodiments of the present invention than the preferred embodiments described above, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, should fall within the scope of the present invention defined in the claims.
Claims (10)
1. The utility model provides a rotation type three-way valve, includes valve body, disk seat and drive arrangement, and drive arrangement connects in the valve body, and the valve body is connected with the disk seat and forms the valve pocket, is equipped with first flow through hole, second flow through hole and the third flow through hole all with the valve pocket intercommunication on the disk seat, its characterized in that, is equipped with planetary gear mechanism and rotatory slider in the valve pocket, and rotatory slider is equipped with the slider gear towards one side of planetary gear mechanism, the slider gear with rotatory slider coaxial arrangement, slider gear and planetary gear mechanism meshing transmission, rotatory slider is equipped with the round pin post towards one side of planetary gear mechanism, the round pin post is located the outside of slider gear, the cover is equipped with elastic element on the round pin post, and elastic element supports on the valve body, slider gear, round pin post and rotatory slider integrated into one piece.
2. A rotary three-way valve according to claim 1, wherein: the elastic element comprises a compression spring, a rolling assembly is arranged on the compression spring, and the rolling assembly abuts against the valve body and is in rolling contact with the valve body.
3. A rotary three-way valve according to claim 2, wherein: the rolling assembly comprises a supporting plate and balls, the supporting plate is in clearance fit with the free ends of the pins, two ends of the compression spring are respectively abutted to the rotating slide block and the supporting plate, a ball groove is formed in one side, facing the driving device, of the supporting plate, and the balls are arranged in the ball groove and are in rolling contact with the valve body.
4. A rotary three-way valve according to claim 2, wherein: an inner hole and a circulation groove are arranged in the rotary sliding block, the circulation groove is communicated with the inner hole and the valve cavity, and the inner hole is communicated with the first flow through hole.
5. A rotary three-way valve according to claim 4, wherein: and the valve seat is provided with a bearing seat, the bearing seat is fixed in the first flow through hole, and the bearing seat extends into the inner hole and is rotatably connected to the rotary sliding block through a bearing.
6. A rotary three-way valve according to any one of claims 1 to 5, wherein: the planetary gear mechanism comprises a planet carrier, a central gear and a planetary gear, the sliding block gear and the central gear are coaxially arranged, the driving device drives the planet carrier to rotate, the planetary gear is connected with the planet carrier and meshed with the central gear, and the planetary gear is meshed with the sliding block gear and drives the rotary sliding block to rotate.
7. A rotary three-way valve according to claim 6, wherein: the planetary gear comprises a first gear and a second gear, the first gear is connected with the second gear and is coaxially arranged, the first gear is externally meshed with the central gear, and the second gear is externally meshed with the slider gear.
8. A rotary three-way valve according to claim 6, wherein: the planet carrier comprises a planet wheel shaft, a first gear and a second gear are rotationally connected with the planet wheel shaft, the planet wheel shaft is provided with a limiting pressing sheet and a limiting conical column which are respectively positioned at two sides of the planet gear, the limiting pressing sheet corresponds to the second gear, the limiting conical column is coaxially arranged with the planet wheel shaft, the small end of the limiting conical column faces the first gear, and the diameter of the central hole of the first gear is larger than the diameter of the small end of the limiting conical column and smaller than the diameter of the large end of the limiting conical column.
9. A rotary three-way valve according to claim 6, wherein: the driving device comprises a magnetic rotor and a sleeve, the magnetic rotor is arranged in the sleeve and connected with the planet carrier, the sleeve is connected with the valve body, the central gear is provided with a central wheel shaft, and the central wheel shaft penetrates through the magnetic rotor and is connected onto the sleeve.
10. A rotary three-way valve according to any one of claims 1 to 5, wherein: the edge of the rotating sliding block is provided with three convex angles arranged along the circumferential direction, a concave part is arranged between every two adjacent convex angles, and the second flow through hole and the third flow through hole correspond to different concave parts.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610882396.6A CN107917243B (en) | 2016-10-10 | 2016-10-10 | Rotary three-way valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610882396.6A CN107917243B (en) | 2016-10-10 | 2016-10-10 | Rotary three-way valve |
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| CN107917243A CN107917243A (en) | 2018-04-17 |
| CN107917243B true CN107917243B (en) | 2021-09-28 |
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| CN201610882396.6A Active CN107917243B (en) | 2016-10-10 | 2016-10-10 | Rotary three-way valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612872A (en) * | 2018-07-05 | 2018-10-02 | 卡川尔流体科技(上海)有限公司 | A kind of rotor fit structure reducing trapped gas and resistance |
| CN109163109B (en) * | 2018-10-08 | 2023-11-03 | 李学谦 | Water quantity regulating self-cleaning valve |
| CN114688280B (en) * | 2020-12-31 | 2023-12-05 | 浙江三花智能控制股份有限公司 | Electric valve |
| CN114688281B (en) * | 2020-12-31 | 2023-12-05 | 浙江三花智能控制股份有限公司 | Electric valve and manufacturing method |
| CN114688303B (en) * | 2020-12-31 | 2023-12-05 | 浙江三花智能控制股份有限公司 | Electric valve |
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| CN101018966A (en) * | 2004-09-14 | 2007-08-15 | 尹相赫 | Device for opening and closing electronic valve used for controlling multiple rooms |
| CN101008455A (en) * | 2007-01-19 | 2007-08-01 | 西安交通大学 | 36-way rotary valve of simulated moving bed with high performance liquid preparative chromatography |
| CN202469079U (en) * | 2011-12-02 | 2012-10-03 | 杭州九阳豆业有限公司 | Electric reversing valve applied to beverage processing equipment |
| CN102996856A (en) * | 2012-11-16 | 2013-03-27 | 宁波索诺工业自控设备有限公司 | Rotating valve of oxygenator |
| CN202971973U (en) * | 2012-12-14 | 2013-06-05 | 佛山市美客医疗科技有限公司 | Air channel control valve of miniature oxygenerator |
| CN203286048U (en) * | 2013-05-02 | 2013-11-13 | 宁波佳尔灵气动机械有限公司 | Rotary valve |
| CN203627908U (en) * | 2013-11-07 | 2014-06-04 | 南京鱼跃软件技术有限公司 | Rotary valve of oxygen generator |
| CN204328147U (en) * | 2014-10-30 | 2015-05-13 | 浙江盾安禾田金属有限公司 | A kind of electric expansion valve |
| CN104565443A (en) * | 2014-12-31 | 2015-04-29 | 江苏江航医疗设备有限公司 | Rotary valve of oxygen generator |
| CN205559950U (en) * | 2016-01-29 | 2016-09-07 | 浙江盾安禾田金属有限公司 | Electronic expansion valve |
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