CN111350841A - Case device and electric valve - Google Patents
Case device and electric valve Download PDFInfo
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- CN111350841A CN111350841A CN202010306778.0A CN202010306778A CN111350841A CN 111350841 A CN111350841 A CN 111350841A CN 202010306778 A CN202010306778 A CN 202010306778A CN 111350841 A CN111350841 A CN 111350841A
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- Prior art keywords
- valve core
- flow passage
- valve
- end cover
- central
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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
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
- F16K27/045—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members with pivotal obturating 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
- F16K3/04—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 with pivoted closure members
- F16K3/06—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 with pivoted closure members in the form of closure plates arranged between supply and discharge passages
- F16K3/08—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 with pivoted closure members in the form of closure plates arranged between supply and discharge passages with circular plates rotatable around their centres
- F16K3/085—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 with pivoted closure members in the form of closure plates arranged between supply and discharge passages with circular plates rotatable around their centres the axis of supply passage and the axis of discharge passage being coaxial and parallel to the axis of rotation of the plates
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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
- F16K31/04—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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
A valve core device and an electric valve relate to the technical field of valves. The valve core device comprises a valve core body and two valve core end covers; the valve core body comprises two corresponding valve core end faces along the axial direction of the valve core body; each valve core end cover is connected with the corresponding valve core end face in a sealing mode; a valve core part flow passage is arranged on at least one valve core end face, and at least two end cover flow passage through holes communicated with the valve core part flow passage are correspondingly arranged on the end cover of the valve core part; and the flow passages of the valve cores are not communicated with each other. The electrically operated valve includes a spool arrangement. The invention aims to provide a valve core device and an electric valve, and solves the technical problems that a valve system formed by a plurality of electric valves in the prior art is complex to control, multiple in parts and high in cost of the valve system to a certain extent.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a valve core device and an electric valve.
Background
The electric valve simply controls the valve by using an electric actuator, thereby realizing the opening and closing of the valve. At present, an electric valve is an important part of modern industrial automation and is widely applied to the fields of electric power, metallurgy, petroleum, mines, automobiles and the like. In particular, in a cooling system on a new energy vehicle, a plurality of electric valves are generally provided; the plurality of electric valves need the automobile control system to respectively send instructions to each electric valve for relevant control; therefore, the valve system formed by the plurality of electric valves is relatively complex to control, and has a plurality of parts and relatively high cost.
Disclosure of Invention
The invention aims to provide a valve core device, which solves the technical problems of complex control, multiple parts and higher cost of a valve system formed by a plurality of electric valves in the prior art to a certain extent.
Another object of the present invention is to provide an electrically operated valve, which solves the technical problems of complicated control, multiple parts and high cost of the valve system, which are caused by a plurality of electrically operated valves in the prior art, to a certain extent.
In order to achieve the purpose, the invention provides the following technical scheme:
a valve core device comprises a valve core body and two valve core end covers;
the valve core body comprises two corresponding valve core end faces along the axial direction of the valve core body; each valve core end cover is connected with the corresponding valve core end face in a sealing mode;
a valve core part flow passage is arranged on at least one valve core end face, and at least two end cover flow passage through holes communicated with the valve core part flow passage are correspondingly arranged on the end cover of the valve core part;
and the flow passages of the valve cores are not communicated with each other.
According to the optional technical scheme, a plurality of end cover flow passage through holes are uniformly formed in an end cover of the valve core part;
the central angle between the adjacent end cover flow passage through holes is a unit rotation angle; the central angle of the valve core flow passage is integral multiple of the unit rotation angle.
According to the optional technical scheme, the two corresponding valve core end faces are a first valve core end face and a second valve core end face respectively;
the valve core flow passage comprises a fourth valve core flow passage disposed on the first spool end face;
the valve core flow passage comprises a fifth valve core flow passage disposed on the second valve core end face;
the fourth valve core flow passage and the fifth valve core flow passage do not communicate.
An alternative aspect of the invention is that, in the axial direction of the valve core body, the projection of the fourth valve core flow passage is located in the projection of the fifth valve core flow passage.
The selectable technical scheme of the invention is that the number of the end cover flow passage through holes is 6;
the central angle of the fourth valve core flow passage is 60 degrees;
the fifth valve core flow passage has a central angle of 120 °.
According to the optional technical scheme, the valve core body is provided with at least one through flow channel through hole along the axial direction of the valve core body, and two end cover end covers of the valve core body are respectively provided with end cover flow channel through holes communicated with the through flow channel through holes; the through flow channel through holes are not communicated with each other; the valve core part flow channel and the through flow channel through hole are not communicated with each other.
According to an optional technical scheme, a central angle between the through hole of the through flow channel and the flow channel of the valve core part is an integral multiple of the unit rotation angle.
According to the optional technical scheme, the valve core body comprises a valve core upper body and a valve core lower body which are connected;
at least one valve core flow passage is arranged in the valve core upper body and the valve core lower body.
According to the optional technical scheme, the valve core body is provided with a valve core shaft and a valve core central groove in the center; the valve core shaft is positioned in the valve core central groove, and the valve core body synchronously rotates along with the valve core shaft;
the end cover of the valve core part is provided with an end cover central through hole corresponding to the valve core central groove; the valve core shaft extends out of the central through hole of the end cover and is used for being connected with a driving device;
and a limiting rotating part is arranged in the central groove of the valve core and is used for limiting the rotating angle of the valve core body.
According to the optional technical scheme, the periphery of the central through hole of the end cover is provided with an end cover central convex edge; the central convex edge of the end cover is buckled on the central groove of the valve core; a limiting end cover bulge is arranged in the valve core central groove, and the end cover central convex edge is provided with an end cover limiting groove matched with the limiting end cover bulge;
and/or the valve core shaft comprises a valve core fixing shaft section, a valve core sealing shaft section and a valve core spline section which are connected in sequence; the valve core fixing shaft section is fixedly connected with the valve core body; the valve core sealing shaft section is a smooth cylinder or cone; the valve core spline section is a spline.
According to the optional technical scheme, the end cover of the valve core part is made of a light-transmitting material; the valve core body is made of light-absorbing materials;
the valve core end cover is connected with the valve core body by laser welding;
the valve core flow passage is arcuate in an axial direction perpendicular to the valve core body;
the two ends of the valve core flow channel are in a semicircular or arc shape along the axial direction perpendicular to the valve core body;
the valve core device is cylindrical.
An electrically operated valve includes a valve cartridge assembly.
By adopting the technical scheme, the invention has the beneficial effects that:
the valve core device and the electric valve provided by the invention have the advantages that the valve core flow channel is arranged on at least one valve core end surface of the valve core body, the end cover of the valve core is correspondingly provided with at least two end cover flow channel through holes communicated with the valve core flow channel, so that the valve core device can have two or more passages through rotation, and further the electric valve with the valve core device can integrate two or more electric valve functions.
In order to make the aforementioned and other objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a perspective view of a valve cartridge assembly provided in accordance with an embodiment of the present invention;
FIG. 2 is an exploded view of a valve cartridge assembly provided in accordance with an embodiment of the present invention;
FIG. 3 is a perspective view of a valve core body of a valve cartridge assembly according to an embodiment of the present invention;
FIG. 4 is a front view of the valve cartridge assembly shown in FIG. 3;
FIG. 5 is a cross-sectional view of the cartridge assembly shown in FIG. 4 taken along line D-D;
FIG. 6 is a rear view of the valve cartridge assembly shown in FIG. 4;
FIG. 7 is a rear perspective view of a valve core body provided in accordance with an embodiment of the present invention;
FIG. 8 is a perspective view of a valve core end cap of a valve cartridge assembly according to an embodiment of the present invention;
fig. 9 is a control schematic diagram of a five-way electric valve provided in the embodiment of the present invention;
fig. 10 shows three modes of operation of the five-way electric valve shown in fig. 9.
Icon: 110-a valve core body; 111-a first spool end face; 112-second spool end face; 120-valve core end cap; 121-end cover flow passage through holes; 122-end cap central through hole; 123-end cap central flange; 124-end cover limiting groove; 130-valve core flow channel; 132-a second valve core flow passage; 133-third valve core flow passage; 134-a fourth valve core flow passage; 135-fifth valve core flow passage; 136-a sixth valve core flow passage; 140-straight through flow channel through hole; 150-the spool shaft; 151-valve core sealing shaft section; 152-spool spline section; 160-a spool central recess; 161-a spacing rotating member; 162-limit end cap projection; 500-three-way electric valve; 601-a first connection pipe; 602-a second connecting tube; 603-a third connecting tube; 604-a fourth connecting tube; 605-fifth connecting tube.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Example one
Referring to fig. 1 to 10, a valve core device is provided in the present embodiment, and fig. 1 is a perspective view of the valve core device provided in the embodiment of the present invention; FIG. 2 is an exploded view of the cartridge assembly; fig. 3 and 7 are perspective views from two perspectives of a valve core body, fig. 4 being a front view of the valve cartridge apparatus shown in fig. 3, and fig. 6 being a rear view of the valve cartridge apparatus shown in fig. 4, wherein fig. 3 is a front perspective view of the valve core body, and fig. 7 is a rear perspective view of the valve core body; FIG. 5 is a cross-sectional view of the cartridge assembly shown in FIG. 4 taken along line D-D; FIG. 8 is a perspective view of a valve core end cap; FIG. 9 is a control schematic of the five-way electric valve; fig. 10 shows three modes of operation of the five-way electric valve shown in fig. 9.
Referring to fig. 1-8, the valve core device, for an electrically operated valve, includes a valve core body 110 and two valve core end caps 120; for example, the two valve core end caps 120 are a first valve core end cap and a second valve core end cap, respectively.
In the axial direction of the valve core body 110, the valve core body 110 includes two corresponding valve core end faces; each valve core end cover 120 is connected with the corresponding valve core end face in a sealing way, namely, the two valve core end covers 120 are respectively connected with the two valve core end faces in a sealing way; alternatively, the axial direction of the valve core body 110 is the same as the axial direction of the poppet device, and the axial direction of the valve core body 110 is the same as the axial direction of the valve core end cap 120.
A valve core flow passage 130 is arranged on at least one valve core end face, and the valve core end face and the corresponding valve core end cover 120 form a closed valve core flow passage 130; correspondingly, the valve core end cap 120 is correspondingly provided with at least two end cap flow passage through holes 121 communicated with the valve core flow passage 130; for example: a valve core flow passage 130 is arranged on the end face of the valve core matched with the first valve core end cover, and two or more end cover flow passage through holes 121 are arranged on the first valve core end cover and communicated with the valve core flow passage 130; or, a valve core flow passage 130 is arranged on the valve core end surface matched with the second valve core end cover, and two or more end cover flow passage through holes 121 are arranged on the second valve core end cover and communicated with the valve core flow passage 130.
The plurality of valve core flow passages 130 are all not in communication with one another.
In the valve core device in this embodiment, the valve core flow passage 130 is disposed on at least one valve core end surface of the valve core body 110, and the valve core end cover 120 is correspondingly provided with at least two end cover flow passage through holes 121 communicated with the valve core flow passage 130, so that the valve core device can have two or more passages by rotating, and further, the electric valve having the valve core device can integrate two or more electric valve functions.
In an alternative of this embodiment, the valve core body 110 has at least one through-flow passage through-hole 140 in the axial direction of the valve core body 110, and correspondingly, the two valve core end covers 120 are respectively provided with end cover flow passage through-holes 121 communicating with the through-flow passage through-holes 140; for example: the valve core body 110 has a through flow passage through hole 140, and the first and second valve core end caps are each provided with a corresponding end cap flow passage through hole 121, so that when the valve core body 110 is rotated at a certain angle, the through flow passage through hole 140 communicates with the two end cap flow passage through holes 121 to form a passage.
The plurality of valve core flow passages 130, the plurality of through flow passage openings 140, and the valve core flow passages 130 and the through flow passage openings 140 are not in communication with each other. In the valve core device of the present embodiment, the valve core flow channel 130 is disposed on at least one valve core end surface of the valve core body 110, and the valve core body 110 is disposed with at least one through flow channel through hole 140, so that the valve core device can have two or more passages by rotating, and further, the electric valve having the valve core device can integrate two or more electric valve functions, and the valve core device has a relatively simple structure, a relatively low cost, a relatively light weight, and a simple system control.
In an alternative of this embodiment, a plurality of end cover flow passage through holes 121 are uniformly formed in the valve core end cover 120, centered on the central axis of the valve core body 110; the end cover 120 is uniformly provided with the end cover flow passage through holes 121, so that the universality of the end cover 120 of the valve core is improved, and the design difficulty of electric valves with different passages can be further reduced.
Alternatively, the central angle between adjacent end cover flow passage through holes 121 is the unit rotation angle centered on the central axis of the valve core body 110; the central angle of the valve core flow channel 130 is an integer multiple of the unit rotation angle; the central angle between the through flow channel via 140 and the valve core flow channel 130 is an integer multiple of the unit rotation angle. The central angle of the valve core flow passage 130 is an integral multiple of a unit rotation angle, and the central angle between the through flow passage through hole 140 and the valve core flow passage 130 is an integral multiple of a unit rotation angle, so that the rotation of the electric valve with the valve core device is controlled, and the control mode of switching each passage of the electric valve is simplified.
Referring to fig. 1-8, in an alternative of the present embodiment, the two corresponding spool end surfaces are a first spool end surface 111 and a second spool end surface 112, respectively. At least one of the first spool end surface 111 and the second spool end surface 112 is provided with a valve core flow passage 130; for example, the first spool end surface 111 is provided with one or more valve core flow passages 130 and the second spool end surface 112 is provided with one or more valve core flow passages 130.
Optionally, the valve core body 110 has a through flow passage bore 140, the through flow passage bore 140 being the first valve core flow passage.
Optionally, the valve core flow passage 130 includes a fourth valve core flow passage 134 disposed on the first spool end face 111. In order to reduce the mass of the valve core device, a spare second valve core flow passage 132 and a spare third valve core flow passage 133 are also arranged on the first valve core end surface 111; the second valve core flow passage 132 and the third valve core flow passage 133 do not communicate with each other.
Optionally, the valve core flow passage 130 includes a fifth valve core flow passage 135 disposed on the second spool end face 112. To reduce the mass of the valve cartridge assembly, a sixth valve core flow passage 136 is provided on the second valve cartridge end face 112.
The fourth valve core flow passage 134 and the fifth valve core flow passage 135 do not communicate.
Optionally, a projection of the fourth valve core flow passage 134 is located in a projection of the fifth valve core flow passage 135 in the axial direction of the valve core body 110. So that when the spool arrangement is angled, the fourth valve core flow passage 134 and the fifth valve core flow passage 135 communicate simultaneously in different passages.
Referring to fig. 1-8, in an alternative embodiment, the number of the end cover flow passage through holes 121 is 6; that is, the central angle between the flow passage through holes 121 of the adjacent end covers is 60 °, that is, the unit rotation angle is 60 °;
the fourth valve core flow passage 134 has a 60 ° central angle, i.e., angle E shown in fig. 4 is 60 °; i.e., the fourth valve core flow passage 134 has an angle of rotation of 60 °;
the fifth valve core flow passage 135 has a central angle of 120, i.e., angle F shown in fig. 6 is 120; i.e., the fifth valve core flow passage 135, is rotated at an angle of 120.
For example, referring to fig. 9 and 10, the valve core device is a valve core structure of a five-way electric valve, and the five-way electric valve integrates the functions of two three-way electric valves 500; the valve core body 110 defines a through flow passage aperture 140 as the first valve core flow passage; a second valve core flow passage 132, a third valve core flow passage 133 and a fourth valve core flow passage 134 are provided on the first valve core end face 111, and a fifth valve core flow passage 135 and a sixth valve core flow passage 136 are provided on the second valve core end face 112; through the rotation of the valve core device, three working modes can be realized:
1. when the valve core device rotates to a relative zero position of 5 degrees, the first connecting pipe 601, the second connecting pipe 602 and the fourth valve core flow passage 134 are communicated, the third connecting pipe 603, the fifth connecting pipe 605 and the fifth valve core flow passage 135 are communicated, and the fourth connecting pipe 604 is closed, as shown in a diagram B in fig. 10;
2. when the valve core device rotates to a relative zero position of 65 degrees, the first connecting pipe 601, the second connecting pipe 602 and the fourth valve core flow passage 134 are communicated, the third connecting pipe 603, the fourth connecting pipe 604 and the fifth valve core flow passage 135 are communicated, and the fifth connecting pipe 605 is closed, as shown in a diagram A in fig. 10;
3. when the valve core device rotates to a relative zero position of 125 degrees, the first connecting pipe 601, the fifth connecting pipe 605 and the first valve core flow passage are communicated, and the second connecting pipe 602, the third connecting pipe 603 and the fourth connecting pipe 604 are closed, as shown in a diagram C in fig. 10.
Referring to fig. 5, in an alternative of this embodiment, the valve core body 110 includes a spool upper body and a spool lower body connected; optionally, the valve core upper body and the valve core lower body are fixedly connected; for example, the valve core upper body and the valve core lower body are fixedly connected by means of screw connection, gluing, welding and the like; optionally, the cartridge upper body and the cartridge lower body are integrally formed.
At least one valve core flow passage 130 is provided in the upper body and the lower body.
1-7, in an alternative to the present embodiment, the center of the valve core body 110 is provided with a spool shaft 150 and a spool center groove 160; the spool shaft 150 is positioned within the spool central groove 160 and the valve core body 110 rotates synchronously with the spool shaft 150; optionally, the valve core body 110 is fixedly connected with the valve plug shaft 150;
the valve core end cap 120 is provided with an end cap central through hole 122 corresponding to the spool central groove 160; the valve core shaft 150 extends out of the end cover central through hole 122 and is used for being connected with a driving device; to drive rotation of the valve plug shaft 150 by the drive means, and thus the valve core body 110, and thus the valve plug means.
Optionally, a limiting rotation member 161 is disposed in the spool center groove 160, and the limiting rotation member 161 is used for limiting the rotation angle of the valve core body 110, so that the rotation angle of the spool device is limited by the limiting rotation member 161. The rotation of the spool means is mechanically restricted by the position of the mechanical start and end points at which the rotation of the valve core body 110 is restricted by the restricting rotary member 161.
Referring to fig. 1-8, in an alternative embodiment, the end cap central flange 123 is disposed around the end cap central through hole 122; the end cap central flange 123 is buckled on the valve core central groove 160; the end cap central flange 123 is snapped into the valve core central groove 160 to facilitate mating of the valve core body 110 and the two valve core end caps 120.
Optionally, a retaining end cap protrusion 162 is disposed within the valve core central groove 160, and the end cap central flange 123 has an end cap retaining groove 124 that mates with the retaining end cap protrusion 162 to facilitate mating attachment of the valve core end cap 120 to the valve core body 110.
Optionally, the number of the limiting end cover protrusions 162 is multiple, and the multiple limiting end cover protrusions 162 are uniformly arranged on the periphery of the valve core central groove 160. Correspondingly, a plurality of end cap retaining grooves 124 are uniformly arranged on the end cap central flange 123.
Referring to fig. 1-8, in an alternative of the present embodiment, the spool shaft 150 includes a spool fixing shaft section, a spool sealing shaft section 151 and a spool spline section 152 connected in sequence; the valve core fixing shaft section is fixedly connected with the valve core body 110; the valve core sealing shaft section 151 is a smooth cylinder or cone and is used for being connected with a sealing ring to ensure the leakage sealing of the valve core device; spool splined section 152 is splined to facilitate connection with an output gear shaft on a drive via the splines.
In an alternative of this embodiment, the valve core end cap 120 is made of a light-transmissive material; the valve core body 110 is made of a light absorbing material to facilitate laser welding of the valve core end cap 120 to the valve core body 110.
Optionally, the valve core end cap 120 is laser welded, or otherwise attached, to the valve core body 110.
In an alternative of this embodiment, the valve core flow passage 130 is arcuate in a direction perpendicular to the axial direction of the valve core body 110 to reduce the pressure of the fluid passing through the valve core flow passage 130.
In an alternative to this embodiment, the valve core flow passage 130 is semi-circular or arcuate at both ends in an axial direction perpendicular to the valve core body 110 to reduce the pressure of the fluid passing through the valve core flow passage 130.
In alternatives to this embodiment, the cartridge device is cylindrical or other shape. Optionally, the cartridge device is cylindrical; optionally, the valve core body 110 is cylindrical, that is, two end faces of the valve core body 110, corresponding to two valve core end faces, are cylindrical, that is, the valve core flow channel 130 is disposed on the cylindrical end face; compared with the existing valve with the internal flow passage arranged on the cylindrical peripheral surface, the electric valve with the valve core device can integrate two or more electric valve functions more easily.
Example two
The second embodiment provides an electrically operated valve, the second embodiment includes the valve core device of the first embodiment, the technical features of the valve core device disclosed in the first embodiment are also applicable to the second embodiment, and the technical features of the valve core device disclosed in the first embodiment are not described repeatedly.
The electric valve provided by the embodiment comprises a valve core device; the valve core flow channel is arranged on at least one valve core end face of the valve core body, and the valve core end cover is correspondingly provided with at least two end cover flow channel through holes communicated with the valve core flow channel, so that the valve core device can be provided with two or more than two passages through rotation, and further the electric valve with the valve core device can integrate two or more than two electric valve functions.
The electrically operated valve of the present embodiment has advantages of the valve cartridge device of the first embodiment, and the advantages of the valve cartridge device of the first embodiment are not described repeatedly herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A valve core device is characterized by comprising a valve core body and two valve core end covers;
the valve core body comprises two corresponding valve core end faces along the axial direction of the valve core body; each valve core end cover is connected with the corresponding valve core end face in a sealing mode;
a valve core part flow passage is arranged on at least one valve core end face, and at least two end cover flow passage through holes communicated with the valve core part flow passage are correspondingly arranged on the end cover of the valve core part;
and the flow passages of the valve cores are not communicated with each other.
2. The valve cartridge assembly of claim 1, wherein a plurality of said end cap flow passage through holes are uniformly disposed in said valve cartridge end cap;
the central angle between the adjacent end cover flow passage through holes is a unit rotation angle; the central angle of the valve core flow passage is integral multiple of the unit rotation angle.
3. The valve core device according to claim 1 or 2, wherein the corresponding two valve core end surfaces are a first valve core end surface and a second valve core end surface respectively;
the valve core flow passage comprises a fourth valve core flow passage disposed on the first spool end face;
the valve core flow passage comprises a fifth valve core flow passage disposed on the second valve core end face;
the fourth valve core flow passage and the fifth valve core flow passage do not communicate.
4. The valve cartridge assembly of claim 3, wherein a projection of the fourth valve core flow passage is located in a projection of the fifth valve core flow passage in an axial direction of the valve core body.
5. The valve cartridge assembly of claim 3, wherein the number of end cap flow passage through holes is 6;
the central angle of the fourth valve core flow passage is 60 degrees;
the fifth valve core flow passage has a central angle of 120 °.
6. The valve cartridge device according to claim 1 or 2, wherein the valve core body has at least one through flow passage through hole in an axial direction of the valve core body, and two of the valve core end caps are respectively provided with end cap flow passage through holes communicating with the through flow passage through holes; the through flow channel through holes are not communicated with each other; the valve core part flow channel and the through flow channel through hole are not communicated with each other;
and/or the valve core body comprises a valve core upper body and a valve core lower body which are connected; at least one valve core flow passage is arranged in the valve core upper body and the valve core lower body.
7. The valve cartridge assembly of claim 1 or 2, wherein the valve core body is centrally provided with a valve cartridge shaft and a valve cartridge central groove; the valve core shaft is positioned in the valve core central groove, and the valve core body synchronously rotates along with the valve core shaft;
the end cover of the valve core part is provided with an end cover central through hole corresponding to the valve core central groove; the valve core shaft extends out of the central through hole of the end cover and is used for being connected with a driving device;
and a limiting rotating part is arranged in the central groove of the valve core and is used for limiting the rotating angle of the valve core body.
8. The valve core device as claimed in claim 7, wherein the periphery of the end cover central through hole is provided with an end cover central convex edge; the central convex edge of the end cover is buckled on the central groove of the valve core; a limiting end cover bulge is arranged in the valve core central groove, and the end cover central convex edge is provided with an end cover limiting groove matched with the limiting end cover bulge;
and/or the valve core shaft comprises a valve core fixing shaft section, a valve core sealing shaft section and a valve core spline section which are connected in sequence; the valve core fixing shaft section is fixedly connected with the valve core body; the valve core sealing shaft section is a smooth cylinder or cone; the valve core spline section is a spline.
9. The valve cartridge assembly of claim 1 or 2, wherein the valve core end cap is made of a light-transmissive material; the valve core body is made of light-absorbing materials;
the valve core end cover is connected with the valve core body by laser welding;
the valve core flow passage is arcuate in an axial direction perpendicular to the valve core body;
the two ends of the valve core flow channel are in a semicircular or arc shape along the axial direction perpendicular to the valve core body;
the valve core device is cylindrical.
10. An electrically operated valve comprising a cartridge assembly according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010306778.0A CN111350841A (en) | 2020-04-17 | 2020-04-17 | Case device and electric valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010306778.0A CN111350841A (en) | 2020-04-17 | 2020-04-17 | Case device and electric valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111350841A true CN111350841A (en) | 2020-06-30 |
Family
ID=71193244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010306778.0A Pending CN111350841A (en) | 2020-04-17 | 2020-04-17 | Case device and electric valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111350841A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673805A (en) * | 2022-04-22 | 2022-06-28 | 海力达汽车科技有限公司 | Multi-way valve and thermal management module |
| WO2022217798A1 (en) * | 2021-04-13 | 2022-10-20 | 广东德昌电机有限公司 | Multi-port valve, and thermal management system provided with same and application thereof |
| WO2023160537A1 (en) * | 2022-02-23 | 2023-08-31 | 海力达汽车科技有限公司 | Multi-way valve |
-
2020
- 2020-04-17 CN CN202010306778.0A patent/CN111350841A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022217798A1 (en) * | 2021-04-13 | 2022-10-20 | 广东德昌电机有限公司 | Multi-port valve, and thermal management system provided with same and application thereof |
| WO2023160537A1 (en) * | 2022-02-23 | 2023-08-31 | 海力达汽车科技有限公司 | Multi-way valve |
| CN114673805A (en) * | 2022-04-22 | 2022-06-28 | 海力达汽车科技有限公司 | Multi-way valve and thermal management module |
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