CN111350844A - Ball valve - Google Patents
Ball valve Download PDFInfo
- Publication number
- CN111350844A CN111350844A CN201811582853.5A CN201811582853A CN111350844A CN 111350844 A CN111350844 A CN 111350844A CN 201811582853 A CN201811582853 A CN 201811582853A CN 111350844 A CN111350844 A CN 111350844A
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- China
- Prior art keywords
- valve
- valve core
- valve body
- motor shaft
- component
- 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.)
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0647—Spindles or actuating means
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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
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/087—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with spherical plug
- F16K11/0873—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with spherical plug the plug being only rotatable around one 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
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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
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
- F16K31/043—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
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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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- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0605—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0689—Packings between housing and plug
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention discloses a ball valve, which comprises a driving mechanism, a transmission mechanism, a valve body assembly and a valve core part, wherein the driving mechanism comprises a rotor part and a motor shaft part, the motor shaft part is fixedly or limitedly connected with the rotor part, the motor shaft part is fixedly or limitedly connected with the transmission mechanism, and the valve core part is fixedly or limitedly connected with the transmission mechanism; the valve body assembly comprises a first valve body part, the valve body assembly is formed with a containing cavity, the containing cavity comprises a first valve body part cavity, the first valve body part cavity is located in the first valve body part, at least part of the valve core part is contained in the first valve body part cavity, the valve core part is provided with a valve core through hole, the motor shaft part penetrates through the valve core through hole, the motor shaft part and the inner wall corresponding to the valve core through hole are in clearance fit, and one end of the motor shaft part extends out of the valve core part and is limited in the first valve body part. So set up, can reduce the case part and take place the skew and rock the volume at the rotation in-process, improve the stability of case part.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of fluid control, in particular to a ball valve.
[ background of the invention ]
The electric ball valve can be used as a component of a heat management system such as a new energy automobile air conditioning system and battery cooling, and has the function of switching medium flow. The motor shaft of general electric ball valve is connected with transmission structure, and the case passes through the valve rod and is connected with transmission mechanism, and in order to prevent that the case from taking place the skew and rocking, the valve rod is comparatively complicated with case, transmission mechanism connection.
[ summary of the invention ]
The technical scheme of the invention provides a ball valve which can improve the stability of a valve element part, and comprises a driving mechanism, a transmission mechanism, a valve body assembly and a valve element part, wherein the driving mechanism is driven to act through the action of the driving mechanism, the valve element part is driven to act through the action of the transmission mechanism, the driving mechanism comprises a rotor part and a motor shaft part, the motor shaft part is fixedly or in limited connection with the rotor part, the motor shaft part is fixedly or in limited connection with the transmission mechanism, and the valve element part is fixedly or in limited connection with the transmission structure;
the valve body assembly comprises a first valve body component, a containing cavity is formed in the valve body assembly and comprises a first valve body component cavity, the first valve body component cavity is located in the first valve body component, at least part of the valve core component is contained in the first valve body component cavity, a valve core through hole is formed in the valve core component, the motor shaft component penetrates through the valve core through hole, the motor shaft component and the inner wall corresponding to the valve core through hole are in clearance fit, and one end of the motor shaft component extends out of the valve core component and is limited to the first valve body component.
The driving mechanism also comprises a sleeve, the rotor part is arranged in the sleeve, the rotor part is provided with a first through hole, one end of the motor shaft part penetrates through the first through hole and is limited in the sleeve, the sleeve comprises a tubular body with one closed end, a first blind hole part protruding outwards is arranged at or near the center of the top of the sleeve, one end of the motor shaft part close to the rotor part extends into the first blind hole part, the motor shaft part is in clearance fit with the first blind hole part, the first valve body part comprises a valve body part, the inner bottom of the valve body part is provided with a second blind hole part at a position corresponding to the valve core through hole, one end of the motor shaft component, which is close to the valve core component, extends into the second blind hole part, and the motor shaft component is in clearance fit with the second blind hole part.
The transmission mechanism is a planetary gear and comprises a sun gear and a first gear ring, a second through hole is formed in the sun gear at or near the axial center line, the motor shaft part penetrates through the second through hole, and the motor shaft part is fixedly connected or in limited connection with the sun gear.
The valve core component comprises a valve core and a valve core column, one end of the valve core column is fixedly connected or in limited connection with the first gear ring, the other end of the valve core column is fixed with the valve core or the valve core column and the valve core are of an integrated structure, one part of the through hole of the valve core is located in the valve core column, and the other part of the through hole of the valve core is located in the valve core column.
The valve body assembly further comprises a second valve body component, the first valve body component is fixedly connected with the second valve body component, the accommodating cavity comprises a second valve body component cavity, the second valve body component cavity is located in the second valve body component, the transmission mechanism is at least partially located in the second valve body component cavity, one side, facing the valve core component, of the first gear ring is abutted to the valve core component, and the outer diameter of the abutting contact portion of the valve core component and the first gear ring is smaller than the inner diameter of the first gear ring.
The first gear ring is provided with a central hole, one end of the valve core column extends into the central hole and is fixedly or in limited connection with the first gear ring, the valve core component comprises a platform part, the valve core comprises the platform part, and the valve core column is fixed with the platform part or is integrated with the platform part;
or the valve core column comprises the platform part, and the platform part is fixed with the valve core or the platform part and the valve core are of an integral structure;
one side of the first gear ring, which faces the valve core component, is abutted against the platform part, the outer diameter of the platform part is smaller than the inner diameter of the first gear ring, the valve core further comprises a plane part, and a certain distance is kept between at least one part of one side of the first gear ring, which faces the valve core component, and the plane part of the valve core.
The first gear ring is provided with a stepped hole portion, the stepped hole portion comprises a step portion, one end of the valve stem extends into the stepped hole portion and is fixedly or in limited connection with the first gear ring, the end face portion of the valve stem is abutted to the step portion, the valve core further comprises a plane portion, and a certain distance is kept between at least one part of one side, facing the valve core component, of the first gear ring and the plane portion of the valve core.
At least one limiting column is further arranged on one side, facing the inner bottom corresponding to the first valve body component cavity, of the valve core component, a limiting groove matched with the limiting column is formed in the inner bottom corresponding to the first valve body component cavity, and the limiting column is in sliding fit with the limiting groove.
The valve core component is provided with two limiting columns, the limiting columns are symmetrically arranged on two sides of the axis of the valve core component, each limiting groove comprises two arc-shaped grooves, the two arc-shaped grooves are arranged by taking the second blind hole portion as the center and are in 90-degree arc angles, at least parts of the limiting columns extend into the arc-shaped grooves, and when the inner wall of one end portion of each arc-shaped groove is abutted against the limiting column, the valve core component stops rotating.
The sleeve is fixedly connected with the second valve body part or integrally formed, the valve body part is provided with a port part, one end of the second valve body part is matched with the port part, the end surface part of the port part is also provided with an annular groove, and the annular groove is provided with a sealing gasket;
the transmission mechanism further comprises a planet wheel and a second gear ring, wherein the second gear ring is fixedly connected with the second valve body part on one side back to the planet wheel, or the second gear ring and the second valve body part are integrally formed.
The motor shaft part of the ball valve is fixedly or limitedly connected with the rotor part, the valve core part is provided with the valve core through hole, the motor shaft part penetrates through the valve core through hole, the motor shaft part is in clearance fit with the inner wall corresponding to the valve core through hole, one end of the motor shaft part extends out of the valve core part and is limited in the first valve body part, the deviation and the shaking amount of the valve core part in the rotating process can be reduced, and the stability of the valve core part is improved.
Drawings
FIG. 1 is a schematic perspective view of a ball valve according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the ball valve of FIG. 1;
FIG. 3 is a perspective view of a rotor member of the ball valve of FIG. 1;
FIG. 4 is a schematic perspective view of a sleeve and a second body member of the ball valve of FIG. 1;
FIG. 5 is a perspective view of a first body member of the ball valve of FIG. 1;
FIG. 6 is a perspective view of a drive mechanism in the ball valve of FIG. 1;
FIG. 7 is a schematic perspective view of a first ring gear of the ball valve of FIG. 1;
FIG. 8 is a schematic perspective view of a valve core member of the ball valve of FIG. 1;
FIG. 9 is a perspective view of another perspective of the valve core member of the ball valve of FIG. 1;
FIG. 10 is a perspective view of another perspective of the first body member of the ball valve of FIG. 1;
FIG. 11 is a schematic cross-sectional view of the ball valve in a first operating condition;
FIG. 12 is a schematic cross-sectional view of the ball valve in a second operating condition;
FIG. 13 is a perspective view of the sleeve and second body member from another perspective;
FIG. 14 is a cross-sectional schematic view of the sleeve and valve body assembly.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
One embodiment of the present invention is shown in fig. 1 to 14. The ball valve of this embodiment includes a drive mechanism 10, a valve body assembly 11, a transmission mechanism 12, and a spool member 13. As shown in fig. 2, the driving mechanism 10 includes a stator coil 1, a motor shaft part 2, a rotor part 3 and a sleeve 8, the motor shaft part 2 is fixedly connected to the rotor part 3, the rotor part 3 rotates to drive the motor shaft part 2 to rotate, the sleeve 8 is a tubular body with a closed end, the sleeve 8 is sleeved with the stator coil 1, and at least part of the rotor part 3 is embedded in the sleeve 8.
As shown in fig. 3, the rotor component 3 is provided with a first through hole 55 at or near the axial center line, the motor shaft component 2 passes through the first through hole 55, the motor shaft component 2 and the rotor component 3 are fixedly connected by injection molding, and the motor shaft component 2 and the rotor component 3 may also be provided with a keyway fit, so as to enhance the firmness of the combination of the motor shaft component 2 and the rotor component 3.
The closed end of the sleeve 8 is defined as a top, as shown in fig. 4, a first blind hole portion 82 protruding outwards is arranged at or near the center of the top of the sleeve 8, one end of the motor shaft part 2 close to the rotor part 3 extends into the first blind hole portion 82, the motor shaft part 2 is in clearance fit with the first blind hole portion 82, and the first blind hole portion 82 has a limiting effect on the motor shaft part 2.
As shown in fig. 1 and 2, the valve body assembly 11 includes the first valve body part 4 and the second valve body part 6, and when the valve body assembly 11 is made of a plastic material, the sleeve 8 and the second valve body part 6 may be integrally formed through an injection molding process, as shown in fig. 4, so that the sealing between the sleeve 8 and the second valve body part 6 is better. It should be mentioned here that the connection between the sleeve 8 and the second valve body part 6 can also be fixed by means of a connecting socket.
As shown in fig. 5, the first valve body part 4 includes a valve body part 40, one end of the valve body part 40 is open and disposed, the valve body part 40 includes a port part 45, the port part 45 is located at the open end of the valve body part 40, the end defining the opening of the valve body part 40 is a top, the opposite end is a bottom, one end of the second valve body part 6 is matched with the port part 45 and fixed with the valve body part 40 by bolt connection, and it should be noted here that the second valve body part 6 and the valve body part 40 may also be fixedly connected by other forms such as welding.
The end surface portion of the port portion 45 of the valve body portion 40 is also provided with an annular groove 450, and the annular groove 450 is provided with a gasket, thereby improving the sealability at the junction of the second valve body member 6 and the valve body portion 40. It should be noted here that when the second valve body member 6 is fixed to the valve body portion 40 by welding, a gasket may not be provided.
As shown in fig. 2, the valve body assembly 11 is formed with a receiving cavity including a first valve body member cavity 50, the first valve body member cavity 50 being located in the valve body 40, the spool member 13 being at least partially received in the first valve body member cavity 50, the receiving cavity further including a second valve body member cavity 65, the second valve body member cavity 65 being located in the second valve body member 6, and the transmission mechanism 12 being at least partially located in the second valve body member cavity 65.
As shown in fig. 2 and fig. 6, the transmission mechanism 12 is a planetary gear, the transmission mechanism 12 includes a sun gear 20, planetary gears 21, a first ring gear 22, a second ring gear 23, a first mounting plate 24, a second mounting plate 25 and a gear shaft 26, the number of the planetary gears 21 is three in this embodiment, the number of the corresponding gear shafts 26 is also three, the first mounting plate 24 and the second mounting plate 25 may be circular ring structures, the central circular through hole of the first mounting plate facilitates the matching of the motor shaft part 2 with the sun gear 20, the three planetary gears 21 are rotatably arranged between the first mounting plate 24 and the second mounting plate 25 through the gear shaft 26, and all three planetary gears 21 are in meshing connection with the sun gear 20.
The first gear ring 22 and the second gear ring 23 both have an internal toothing, one end of the planet wheels 21 being in meshing connection with the first gear ring 22 at the internal toothing of the first gear ring 22, and the opposite end of the planet wheels 21 being in meshing connection with the second gear ring 23 at the internal toothing of the second gear ring 23. The second ring gear 23 is fixedly connected to the second body part 6 on the side facing away from the planet gears 2, for example by being mounted to the second body part 6 in an interference or positive-locking manner.
It should be noted here that when the second valve body part 6 and the second ring gear 23 are both made of a plastic material, the second ring gear 23 may be integrally formed with the second valve body part 6, for example, by an injection molding process, so that the number of parts of the ball valve is reduced and the assembly is more convenient.
Motor shaft part 2 is connected with drive mechanism 12 transmission, and sun gear 20 is provided with second through-hole 56 near axial centerline or axial centerline, and motor shaft part 2 passes second through-hole 56, and motor shaft part 2 can be connected through interference crimping or block with sun gear 20, and when motor shaft part 2 rotated, sun gear 20 rotated synchronously, and then drove planet wheel and ring gear and rotate. At the same transmission ratio, the transmission mechanism has a relatively compact structure and small volume, so that the volume of the ball valve is relatively reduced.
As shown in fig. 7, the first gear ring 22 has a central hole 220, as shown in fig. 8, the valve core part 13 includes a valve core 130 and a valve core column 30, one end of the valve core column 30 extends into the central hole 220, and is pressed by interference or the central hole 220 may be configured in a special shape, and accordingly the valve core column 30 is matched in shape to realize rotation driving, that is, the valve core column 30 is matched with the first gear ring 22 to realize that the first gear ring 22 drives the valve core column 30 to rotate. The opposite end of the valve core column 30 is in transmission connection with the valve core 130 or the valve core column 30 and the valve core 130 are integrated, and when the valve core column 30 rotates, the valve core 130 can be driven to rotate together.
It should be noted here that the valve core 130 may also be provided with a notch, and the valve core column 30 is matched with the notch to realize the rotation driving. In the present embodiment, the spool post 30 and the spool 130 are integrally configured.
It should also be noted here that the valve core 130 may be of a general shape such as spherical, cylindrical, and elliptical.
It should also be mentioned here that the transmission mechanism can also be implemented by other conventional transmission means, for example, a multi-stage gear transmission.
As shown in fig. 8 and 2, the spool 130 includes a land portion 131, the spool 30 is fixed to the land portion 131, or the spool 30 and the land portion 131 are integrated, or the spool 30 includes a land portion 131, and the land portion 131 is fixed to the spool 130, or the land portion 131 and the spool 130 are integrated. The side of the first ring gear 22 facing the spool member 13 abuts the land portion 131, and the outer diameter L1 of the land portion 131 is smaller than the inner diameter L2 of the first ring gear 22, thereby reducing the driving force required to drive the spool member 13.
It should be noted here that in the present embodiment, the transmission mechanism 12 is in direct contact with the valve core part 13, that is, the side of the first gear ring 22 facing the valve core part 13 is in contact with the platform part 131, so that the valve cover of the first valve body part 4 is omitted, the parts of the ball valve are reduced, the structure of the ball valve is relatively more compact, and the volume of the ball valve is reduced.
It should also be noted here that the central hole 220 of the first gear ring 22 may also be configured as a stepped hole portion including a stepped portion, the spool column 30 extends into the stepped hole portion, the end surface portion of the spool column 30 abuts against the stepped portion, and the side of the first gear ring 22 facing the spool member 13 does not contact with the land portion 131, which is configured such that the diameter of the contact surface of the first gear ring 22 and the spool member 13 is smaller, which is more favorable for reducing the driving force required to drive the spool member 13.
As shown in fig. 8, the spool 130 is further provided with a flat surface portion 132 on the side facing the first ring gear 22, the flat surface portion 132 is provided around the platform portion 131, and the platform portion 131 protrudes from the flat surface portion 132 in the direction facing the first ring gear 22, as shown in fig. 2, at least a portion of the side of the first ring gear 22 facing the spool member 13 is spaced from the flat surface portion 132. It should be noted here that the flat surface portion 132 may be provided as a curved surface portion, a tapered surface portion, or the like.
As shown in fig. 8, the spool member 13 is provided with a spool through hole 57 at or near the axial center line, and a part of the spool through hole 57 is located in the spool 30 and a part is located in the spool 130. The motor shaft part 2 penetrates through the valve core through hole 57, and the motor shaft part 2 is in clearance fit with the inner wall corresponding to the valve core through hole 57, and it should be noted here that the motor shaft part 2 cannot directly drive the valve core part 13 to rotate when rotating, and the first gear ring 22 can drive the valve core part 13 to rotate the motor shaft part of the motor shaft part.
Motor shaft part as shown in fig. 10, valve body portion 40 still includes interior bottom 47, and interior bottom 47 is provided with second blind hole portion 49 in the position that corresponds with case through-hole 57, and the axis of second blind hole portion 49 coincides with the axis of first blind hole portion 82 or approximately coincides, and the one end that motor shaft part 2 is close to case part 13 stretches into second blind hole portion 49, and motor shaft part 2 and second blind hole portion 49 clearance fit, and second blind hole portion 49 plays the effect of spacing to motor shaft part 2.
In this embodiment, the motor shaft component 2 sequentially passes through the rotor component 3, the sun gear 20 and the valve core component 13, one end of the motor shaft component 2 is limited in the first blind hole portion 82, the other opposite end is limited in the second blind hole portion 49, and the motor shaft component 2 is in clearance fit with the valve core component 13, so that the deflection and the shaking amount of the valve core component 13 in the rotating process can be reduced, and the stability of the valve core component 13 is improved.
As shown in fig. 9, the valve core part 13 is further provided with at least one position-limiting column 31 on a side facing the inner bottom 47, in this embodiment, two position-limiting columns 31 are provided, the position-limiting columns 31 are symmetrically arranged on two sides of the axis of the valve core part 13, and the two position-limiting columns 31 may be integrated with the valve core part 13.
As shown in fig. 10, the inner bottom 47 of the valve body 40 is provided with a limiting groove matched with the limiting post 31, the limiting post 31 is in sliding fit with the limiting groove, the limiting groove comprises at least one arc-shaped groove 32, in this embodiment, the limiting groove comprises two arc-shaped grooves 32, and the two arc-shaped grooves 32 are symmetrically distributed by taking the second blind hole part 49 as a center.
Spacing post 31 at least part stretches into arc recess 32, sliding fit between the inner wall of arc recess 32 and the spacing post 31, it is spacing through the inner wall cooperation with arc recess 32, the rotation range of case part 13 can be restricted to the both ends of arc recess 32, when case part 13 clockwise rotates, when one of them tip inner wall of arc recess 32 and spacing post 31 looks butt, case part 13 stall on clockwise, the rotation range of case part 13 can be restricted to the arc angle size between the arc recess 32 both ends under the general condition, in this embodiment, the arc angle of arc recess 32 is established to 90, here should know, in different operational environment, the arc angle can the adaptability set up.
The working principle is as follows: when the motor shaft part 2 rotates clockwise, the sun gear 20 is driven to rotate clockwise, the planet gear 21 is driven to rotate through meshing connection, the second gear ring 23 is fixed, the planet gear 21 rotates around the axis of the planet gear 21, meanwhile, the sun gear 1 rotates circumferentially, namely, the motor shaft part 2 rotates around the center, and is meshed with the second gear ring 23 to rotate, so that the first gear ring 22 is driven to rotate, the first gear ring 22 drives the valve core column 30 to rotate together, meanwhile, the valve core column 30 drives the valve core 130 to rotate, the rotation angle is 0-90 degrees, when the inner wall of one end part of the arc-shaped groove 32 is abutted to the limiting column 31, the valve core part 13 stops rotating in the rotating direction, the motor shaft part 2 rotates anticlockwise, the same way is adopted, and details are not repeated here.
As shown in fig. 5, the valve body 40 further has a first opening 401, a second opening 402, a third opening 403, and a fourth opening 404, and the first opening 401, the second opening 402, the third opening 403, and the fourth opening 404 are arranged on the circumferential side of the valve body 40 in the order of clockwise or counterclockwise and are arranged symmetrically with respect to the center of the valve body 40.
The first valve body member 4 further includes a first connecting portion 41, a second connecting portion 42, a third connecting portion 43, and a fourth connecting portion 44, as shown in fig. 11, the first connecting portion 41 is provided with a first channel 71, the second connecting portion 42 is provided with a second channel 72, the third connecting portion 43 is provided with a third channel 73, the fourth connecting portion 44 is provided with a fourth channel 74, one end of the first connecting portion 41 is fixedly connected with the first opening portion 401 and the joint is sealed, one end of the second connecting portion 42 is fixedly connected with the second opening portion 402 and the joint is sealed, one end of the third connecting portion 43 is fixedly connected with the third opening portion 403 and the joint is sealed, and one end of the fourth connecting portion 44 is fixedly connected with the fourth opening portion 404 and the joint is sealed.
As shown in fig. 11, the spool 130 is internally provided with a first spool passage 14 and a second spool passage 15, and the ball valve of the present invention includes at least two working states: a first operating state in which, as shown in fig. 11, the first passage 71 communicates with the second passage 72 through the first spool passage 14, and the third passage 73 communicates with the fourth passage 74 through the second spool passage 15; in the second operating state, as shown in fig. 12, the first passage 71 communicates with the fourth passage 74 through the first spool passage 14, and the second passage 72 communicates with the third passage 73 through the second spool passage 15.
As shown in fig. 5, the inner peripheral wall of the valve body portion 40 is provided with a first protruding portion 411 near the side of the first opening portion 401 close to the inner bottom portion 47, the first protruding portion 411 protrudes inward relative to the inner peripheral wall of the valve body portion 40, one end of the first protruding portion 411 away from the first opening portion 401 extends to the inner bottom portion 47, one end of the first protruding portion 411 close to the first opening portion 401 is formed with a first arc portion 412, and the first arc portion 412 is located below the first opening portion 401. The central axis corresponding to the first arc portion 412 coincides with or approximately coincides with the central axis of the first opening portion 401, the size of the central angle corresponding to the first arc portion 412 is not specifically limited, and in the present embodiment, the central angle corresponding to the first arc portion 412 is 180 °, which is advantageous for the demolding process during injection molding of the valve body portion 40.
As shown in fig. 13, the second valve body member 6 is provided with a second protruding portion 511 on a side facing the valve body portion 40, the second protruding portion 511 is disposed opposite to the first protruding portion 411, the second protruding portion 511 is located on an upper portion of the first protruding portion 411, a second arc portion 512 is formed at one end of the second protruding portion 511 close to the first opening portion 401, the second arc portion 512 is disposed opposite to the first arc portion 412, a central axis corresponding to the second arc portion 512 is coincident with or approximately coincident with a central axis of the first opening portion 401, a size of a central angle corresponding to the second arc portion 512 is not specifically limited here, and in the present embodiment, the central angle corresponding to the second arc portion 512 is 180 °. As shown in fig. 14, the first arc portion 412 and the second arc portion 512 cooperate to form a cylindrical space 60.
As shown in fig. 2, the ball valve further includes a sealing ring 90 disposed in the space 60, the sealing ring 90 is limited to the first arc portion 412 and the second arc portion 512, an inner diameter of the sealing ring 90 is larger than a diameter of the first channel and is also larger than a diameter of the channel inside the valve core member 13, one end of the sealing ring 90 abuts against the inner wall corresponding to the valve body 40, the opposite end of the sealing ring 90 abuts against the outer wall corresponding to the valve core member 13, and the sealing ring 90 is further pressed against and abutted against the first arc portion 412 and the second arc portion 512.
In the prior art, in order to install the sealing ring, the first opening part and the first valve body part are separated, the sealing ring is installed at the joint of the first opening part and the first valve body part, the sealing ring needs to be installed in the first valve body part firstly, then the first opening part and the first valve body part are fixed in a welding mode, a screwing mode and the like, and the direction of installing the valve core part in the first valve body part is inconsistent with the direction of installing the sealing ring in the first valve body part. In this embodiment, the first arc portion 412 and the second arc portion 512 are matched to limit the sealing ring 90, the first protruding portion 411 and the second protruding portion 511 are arranged on the valve body 40, so that the sealing ring 90 is easy to assemble, the valve core 13 and the sealing ring 90 are both installed into the first valve body from the port 45, and the installation of parts is simple.
The ball valve is formed with cylindrical spaces in the second opening 402, the third opening 403 and the fourth opening 404 in the same or similar manner, and is provided with sealing rings, which are not described in detail herein.
As shown in fig. 5, the inner peripheral wall of the valve body portion 40 is further provided with a third protruding portion 46 between the first opening portion 401 and the second opening portion 402, the third protruding portion 46 extends from the inner bottom 47 of the valve body portion 40 to the top of the valve body portion 40, in the present embodiment, one side of the third protruding portion 46 is smoothly connected or approximately smoothly connected to the first protruding portion 411 corresponding to the first opening portion 401, and the opposite side of the third protruding portion 46 is smoothly connected or approximately smoothly connected to the first protruding portion 411 corresponding to the second opening portion 402. At least one part of the third protrusion 46 is located between the two second protrusions 511, and the second protrusion 511 is limited between the two third protrusions 46, so that the matching precision of the second protrusion 511 and the first protrusion 411 can be improved.
The third protruding part 46 is provided with first protruding and recessed parts 461 at both sides of one end near the top of the valve body part 40, the second protruding part 511 is provided with second protruding and recessed parts 513 at the parts corresponding to the first protruding and recessed parts 461, and the first protruding and recessed parts 461 and the second protruding and recessed parts 513 are matched, so that the second valve body part 6 can be combined with the valve body part 40 more firmly.
The thickness of the portion of the third protruding portion 46 between the two second protruding portions 511 is smaller than that of the first protruding portion 411, and a shoulder 460 is formed at the junction of the portion of the third protruding portion 46 with the smaller thickness and the portion with the larger thickness. The second valve body part 6 is further provided with a fourth projecting portion 48 between the two second projecting portions 511, and both sides of the fourth projecting portion 48 are smoothly connected or nearly smoothly connected with the second projecting portions 511. The fourth projecting portion 48 is disposed opposite to the shoulder 460, and one end of the fourth projecting portion 48 facing the valve body portion 40 abuts against the shoulder 460, so that the second valve body member 6 can be restrained.
Between the second opening 402 and the third opening 403, between the third opening 403 and the fourth opening 404, and between the fourth opening 404 and the first opening 401, a third convex portion and a convex-concave portion of the third convex portion are provided in the same or similar manner, and the second valve body member 6 is also provided with corresponding convex-concave portions in the same or similar manner, which is not described in detail herein.
It should be noted that: although the present invention has been described in detail with reference to the above embodiments, those skilled in the art will understand that modifications and equivalents may be made thereto without departing from the spirit and scope of the invention, and all such modifications and improvements are intended to be included within the scope of the following claims.
Claims (10)
1. A ball valve comprises a driving mechanism, a transmission mechanism, a valve body assembly and a valve element part, wherein the driving mechanism is driven to act through the action of the driving mechanism, and the valve element part is driven to act through the action of the transmission mechanism;
the valve body assembly comprises a first valve body component, a containing cavity is formed in the valve body assembly and comprises a first valve body component cavity, the first valve body component cavity is located in the first valve body component, at least part of the valve core component is contained in the first valve body component cavity, a valve core through hole is formed in the valve core component, the motor shaft component penetrates through the valve core through hole, the motor shaft component and the inner wall corresponding to the valve core through hole are in clearance fit, and one end of the motor shaft component extends out of the valve core component and is limited to the first valve body component.
2. The ball valve according to claim 1, wherein the driving mechanism further includes a sleeve, the rotor member is disposed in the sleeve, the rotor member is provided with a first through hole, one end of the motor shaft member passes through the first through hole and is limited by the sleeve, the sleeve includes a tubular body with one end closed, a first blind hole portion protruding outward is provided at or near a center of a top portion of the sleeve, one end of the motor shaft member near the rotor member extends into the first blind hole portion, the motor shaft member is in clearance fit with the first blind hole portion, the first valve body member includes a valve body portion, an inner bottom portion of the valve body portion is provided with a second blind hole portion at a position corresponding to the valve core through hole, one end of the motor shaft member near the valve core member extends into the second blind hole portion, the motor shaft part is in clearance fit with the second blind hole part.
3. The ball valve according to claim 2, wherein the transmission mechanism is a planetary gear, the transmission mechanism includes a sun gear and a first ring gear, the sun gear is provided with a second through hole at or near an axial center line, the motor shaft part passes through the second through hole, and the motor shaft part is fixedly connected or in limited connection with the sun gear.
4. The ball valve according to claim 3, wherein the valve core component comprises a valve core and a valve core column, one end of the valve core column is fixedly or limitedly connected with the first gear ring, the other end of the valve core column is fixed with the valve core or the valve core column and the valve core are integrated, and a part of the valve core through hole is located in the valve core column and a part of the valve core through hole is located in the valve core.
5. The ball valve according to claim 3 or 4, wherein the valve body assembly further comprises a second valve body part, the first valve body part is fixedly connected with the second valve body part, the accommodating cavity comprises a second valve body part cavity, the second valve body part cavity is positioned in the second valve body part, the transmission mechanism is at least partially positioned in the second valve body part cavity, one side of the first gear ring facing the valve core part is abutted with the valve core part, and the outer diameter of the abutting part of the valve core part and the first gear ring is smaller than the inner diameter of the first gear ring.
6. The ball valve according to claim 5, wherein the first gear ring has a central hole, one end of the valve stem extends into the central hole and is fixedly or limitedly connected with the first gear ring, the valve core part comprises a platform part, the valve core comprises the platform part, and the valve stem is fixed with the platform part or is of an integral structure;
or the valve core column comprises the platform part, and the platform part is fixed with the valve core or the platform part and the valve core are of an integral structure;
one side of the first gear ring, which faces the valve core component, is abutted against the platform part, the outer diameter of the platform part is smaller than the inner diameter of the first gear ring, the valve core further comprises a plane part, and a certain distance is kept between at least one part of one side of the first gear ring, which faces the valve core component, and the plane part of the valve core.
7. The ball valve according to claim 5, wherein the first ring gear has a stepped hole portion including a stepped portion into which one end of the valve stem is inserted and fixed or limit-connected to the first ring gear, an end surface portion of the valve stem abuts against the stepped portion, the valve element further includes a flat portion, and at least a portion of a side of the first ring gear facing the valve element member is spaced apart from the flat portion of the valve element.
8. The ball valve according to claim 6 or 7, wherein the valve core part is further provided with at least one limiting column at a side facing the inner bottom corresponding to the first valve body part cavity, the inner bottom corresponding to the first valve body part cavity is provided with a limiting groove matched with the limiting column, and the limiting column is in sliding fit with the limiting groove.
9. The ball valve according to claim 8, wherein the valve core component is provided with two limiting columns, the limiting columns are symmetrically arranged on two sides of the axis of the valve core component, the limiting grooves comprise two arc-shaped grooves, the two arc-shaped grooves are arranged by taking the second blind hole portion as a center and forming an arc angle of 90 degrees, the limiting columns at least partially extend into the arc-shaped grooves, and when the inner wall of one end portion of each arc-shaped groove abuts against the limiting column, the valve core component stops rotating.
10. The ball valve according to claim 9, wherein the sleeve is fixedly connected to or integrally formed with the second body member, the body member having a port portion with which one end of the second body member is fitted, the port portion being further provided at an end surface portion thereof with an annular groove provided with a gasket;
the transmission mechanism further comprises a planet wheel and a second gear ring, wherein the second gear ring is fixedly connected with the second valve body part on one side back to the planet wheel, or the second gear ring and the second valve body part are integrally formed.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811582853.5A CN111350844B (en) | 2018-12-24 | 2018-12-24 | Ball valve |
| US17/309,299 US11384852B2 (en) | 2018-12-24 | 2019-11-06 | Ball valve |
| EP19902051.2A EP3904736A4 (en) | 2018-12-24 | 2019-11-06 | Ball valve |
| JP2021526810A JP7228694B2 (en) | 2018-12-24 | 2019-11-06 | Ball valve |
| PCT/CN2019/115843 WO2020134613A1 (en) | 2018-12-24 | 2019-11-06 | Ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811582853.5A CN111350844B (en) | 2018-12-24 | 2018-12-24 | Ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111350844A true CN111350844A (en) | 2020-06-30 |
| CN111350844B CN111350844B (en) | 2022-09-23 |
Family
ID=71190361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811582853.5A Active CN111350844B (en) | 2018-12-24 | 2018-12-24 | Ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111350844B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022188857A1 (en) * | 2021-03-12 | 2022-09-15 | 浙江三花汽车零部件有限公司 | Electric valve |
| CN116220611A (en) * | 2023-02-06 | 2023-06-06 | 江苏苏盐阀门机械有限公司 | Corrosion-proof oil well valve |
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| US4029292A (en) * | 1976-04-06 | 1977-06-14 | Eisenbahn-Verkehrsmittel Ag | Globe valve construction |
| JPS5947574A (en) * | 1982-09-08 | 1984-03-17 | Tlv Co Ltd | Multidirection ball valve |
| US5507314A (en) * | 1991-06-11 | 1996-04-16 | Masco Corporation | Mixer valve having a ball valve element |
| US6254058B1 (en) * | 2000-04-25 | 2001-07-03 | Eaton Corporation | Spring returning a rotary valve with a differential planetary drive |
| CN102052484A (en) * | 2009-10-29 | 2011-05-11 | 玛珂系统分析和开发有限公司 | Multi-way plug valve |
| US20150354714A1 (en) * | 2014-06-04 | 2015-12-10 | Schaeffler Technologies AG & Co. KG | Multi-chamber thermal management rotary valve module |
| CN206958295U (en) * | 2017-04-17 | 2018-02-02 | 浙江三花汽车零部件有限公司 | A kind of ball valve |
| CN207049360U (en) * | 2017-04-17 | 2018-02-27 | 浙江三花汽车零部件有限公司 | A kind of ball valve |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4029292A (en) * | 1976-04-06 | 1977-06-14 | Eisenbahn-Verkehrsmittel Ag | Globe valve construction |
| JPS5947574A (en) * | 1982-09-08 | 1984-03-17 | Tlv Co Ltd | Multidirection ball valve |
| US5507314A (en) * | 1991-06-11 | 1996-04-16 | Masco Corporation | Mixer valve having a ball valve element |
| US6254058B1 (en) * | 2000-04-25 | 2001-07-03 | Eaton Corporation | Spring returning a rotary valve with a differential planetary drive |
| CN102052484A (en) * | 2009-10-29 | 2011-05-11 | 玛珂系统分析和开发有限公司 | Multi-way plug valve |
| US20150354714A1 (en) * | 2014-06-04 | 2015-12-10 | Schaeffler Technologies AG & Co. KG | Multi-chamber thermal management rotary valve module |
| CN206958295U (en) * | 2017-04-17 | 2018-02-02 | 浙江三花汽车零部件有限公司 | A kind of ball valve |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022188857A1 (en) * | 2021-03-12 | 2022-09-15 | 浙江三花汽车零部件有限公司 | Electric valve |
| CN116220611A (en) * | 2023-02-06 | 2023-06-06 | 江苏苏盐阀门机械有限公司 | Corrosion-proof oil well valve |
| CN116220611B (en) * | 2023-02-06 | 2023-09-01 | 江苏苏盐阀门机械有限公司 | Corrosion-proof oil well valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111350844B (en) | 2022-09-23 |
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