CN1300495C - Control valve - Google Patents

Control valve Download PDF

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Publication number
CN1300495C
CN1300495C CNB031430813A CN03143081A CN1300495C CN 1300495 C CN1300495 C CN 1300495C CN B031430813 A CNB031430813 A CN B031430813A CN 03143081 A CN03143081 A CN 03143081A CN 1300495 C CN1300495 C CN 1300495C
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CN
China
Prior art keywords
valve
valve seat
valve body
rotor
plane
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.)
Expired - Fee Related
Application number
CNB031430813A
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Chinese (zh)
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CN1534223A (en
Inventor
藤本聪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pacific Industrial Co Ltd
PACIFIC KOGYO KK
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Pacific Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Publication of CN1534223A publication Critical patent/CN1534223A/en
Application granted granted Critical
Publication of CN1300495C publication Critical patent/CN1300495C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Sliding Valves (AREA)

Abstract

In this control valve 10, since a part of the valve element 30 facing to a valve seat 12 is formed into a truncated conical shape, a slide-contact area of the valve element 30 with the valve seat 12 can be reduced in comparison with the current control valve, and the valve element 30 can be smoothly rotated. In the valve element 30, since a flat surface 41 of the truncated conical shape thereof surface-abuts on the valve seat 12 of a cylindrical case 11 and slides-contact with the valve seat 12, rotation of the valve element 30 is stabilized. Since an inclined surface 42 of the truncated conical shape is inclined in a range at 1-1.5 degree against the flat surface 41, a clearance between the inclined surface 42 and the valve seat 12 is narrowed to make the air hard to pass through there, and accurate control of a flow is enabled.

Description

Control valve
Technical field
The present invention relates to a kind ofly, control the control valve of the flow of the fluid by barrel-type casing by making the valve body rotation that is installed in the barrel-type casing.
Background technique
As shown in Figure 7, as everyone knows, this traditional control valve, make the valve body 3 that is installed in the barrel-type casing 1, compress the valve seat 4 that is arranged on barrel-type casing 1 top and make it rotation, change on the valve body 3 valve port 7 that forms on the groove 6 that forms and the valve seat 4 to configuration state, control flow with this by the barrel-type casing fluid.
The spy opens 2002-147896 communique (Fig. 1, [0033] section).
Yet above-mentioned traditional control valve is by making protuberance 5 outstanding from valve seat 4, reduces the sliding contact area with valve body 3, reduces slip resistance with this, but in order further to reduce slip resistance, makes every effort to develop the control valve of the slicker and more sly rotation of valve body of sening as an envoy to.
Summary of the invention
Purpose of the present invention in view of addressing the above problem, provides a kind of valve body that makes can be than the control valve of in the past slicker and more sly rotation.
In order to achieve the above object, the present invention's 1 control valve, be a kind of have rotor is installed in the barrel-type casing of two ends with valve seat sealing, can drive the structure of rotor rotation by the magnetic force in the described barrel-type casing outside, and, has a pair of valve body at the two ends of described rotor, described valve body with opposed of described valve seat on, form arc groove and the vent that is configured in an end of described arc groove, this arc groove, towards the other end that leaves described vent side, its width and/or the degree of depth diminish gradually, by making fluid through the valve port on the described valve seat that is formed on two ends, in the inflow barrel-type casing, described rotor is moved axially, rotation by described rotor, make width and/or degree of depth change with the opposed described arc groove of described valve port, make thus by the reformed control valve of the flow of barrel-type casing, it is characterized in that: in the described valve body and opposed part valve seat form the plane with the circular that is connected with described arc groove inside edge and are positioned at the truncated cone shape on the inclined-plane outside the described plane.
The present invention's 2 feature is in the present invention's 1 control valve, the described inclined-plane of described valve body, and described relatively plane tilts in the scope of 1~1.5 degree.
The present invention's 3 feature is in the present invention's 1 or 2 control valve, described rotor and valve body, rotatably mounted by the axis body between the described valve seat that is installed in two ends, the shaft through-hole of inserting logical described axis body in the described valve body, the internal diameter that leaves described valve seat side is bigger than the internal diameter of described valve seat side.
The present invention's 4 feature is in the present invention's 3 control valve, is provided with on described valve body, and the center of being formed in has the tubular of described shaft through-hole and is abutted against with described rotor, and other parts have been hanged at described epitrochanterian carrying cylinder.
In the present invention's 1 control valve, by making truncated cone shape with the opposed part of valve seat in the valve body, compare with traditional control valve, reduced the sliding contact area between valve body and the valve seat, therefore make the rotation that valve body can be slicker and more sly.In addition, valve body is because the plane of truncated cone shape is that face contacts slip with the valve seat of barrel-type casing, so valve body is stable.
In addition, as the present invention's 2 control valve, the inclined-plane opposite planar of truncated cone shape is tilted in the scope of 1~1.5 degree, it is narrow and small that the slit between its inclined-plane and the valve seat becomes, and air is difficult for circulation, so accurate control flow rate.
In addition, the present invention's 3 control valve is because the shaft through-hole of the slotting axis body in the valve body, internal diameter in the side of lifting off a seat is bigger than the internal diameter of valve seat side, so valve body is the fulcrum tilting action for axis body with the valve seat side, absorbed the error in the processing, can make the plane and the valve seat lapping-in of valve body.
In addition, the present invention's 4 control valve because the carrying cylinder that is provided with on valve body contacts with rotor, makes other parts float from rotor, and valve body integral body makes the plane and the certain lapping-in of valve seat of valve body to the easy tilting action of rotor.
Description of drawings
Fig. 1 is the sectional view of the control valve of one embodiment of the invention.
Fig. 2 is the stereogram of valve seat.
Fig. 3 is the stereogram of valve body.
Fig. 4 is the sectional view of valve body.
Fig. 5 is the plan view of valve body.
Fig. 6 is the local Zoom Side sectional view of control valve.
Fig. 7 is the sectional view of traditional control valve.
Among the figure: 10-control valve, 11-barrel-type casing, 12-valve seat, 13-axis body, 18-valve port, 21-conduit, 22-rotor, 26-permanent magnet, 30-valve body, 34-axle inserting hole, 36-bearing cartridge, 39-arc groove, 40-vent, 41-plane, 42-inclined-plane.
Embodiment
Below, with reference to Fig. 1~Fig. 6 of the present invention one routine embodiment is described.
As shown in Figure 1, the control valve 10 of present embodiment, by the axis body 13 in the configuration of barrel-type casing 11 center portions, and rotor 22 rotations that are installed in the barrel-type casing 11 by axis body 13 supportings constitute.
Barrel-type casing 11 is that the two end portions of cylindrical duct 11A is sealed formation with valve seat 12,12.In addition, cylindrical duct 11A and valve seat 12,12 are made of the nonmagnetic material metal.
As shown in Figure 2, in the centre of valve seat 12, be formed centrally axis hole 16 in the inner face 12A of barrel-type casing 11 inboards, the two end part of axis body 13 are retained the state on the axis hole 16 that is bearing in two ends valve seat 12,12.In addition, form outstanding sliding contact platform 17 on the valve seat 12 from inner face 12A.It is the three-way shape at center that sliding contact platform 17 forms with axis hole 16, and the end face of raised sides forms whole plane.
On the part of sliding contact body 17, disposed annular protrusion 19.Annular protrusion 19 is to make the part of sliding contact body 17 form roughly annular recess, is formed on its center, thereby makes the end face of annular protrusion 19, becomes a plane with described sliding contact platform 17 integral body.In addition, the interior side opening of annular protrusion 19 constitutes valve port 18.As shown in Figure 1, valve port 18 becomes stepped opening in the outside of valve seat 12, and conduit 21 cooperations are fixed on its open part.
In addition, on the inner face 12A of valve seat 12, as shown in Figure 1, the bridle 20 (among Fig. 1, the bridle 20 that is installed in upper valve seat 12 only being shown) of protruding sheet is installed uprightly.
Rotor 22 is to be formed by connecting by the inside cylindrical 23 that is engaged in axis body 13 with around the outside cylindrical 24 in its outside blade 25 that radially extends by between.In addition, in the outside of outside cylindrical 24, cooperate to be fixed with tubular permanent magnet 26.And, constitute stepper motor 27 by this rotor 22 and the stator 15 that is engaged in barrel-type casing 11 outsides.
At the two ends of rotor 22, valve body 30,30 of the present invention is installed, the total length of this rotor 22 and two valve bodies 30,30, shorter than the axial length of barrel-type casing 11 inner spaces.Like this, in barrel-type casing 11, bridle 20 and two valve bodies 30,30 can move axially in barrel-type casing 11.Specifically, as shown in Figure 1, valve body 30 is that an end that at one end has sliding contact wall 35 as a whole has the cylindrical structure at the end.In addition, the axial intermediate portion in valve body 30 outsides is formed with the flange plate 33,33 of a pair of expansion, between flange plate 33,33, and packing matcrial.The distolateral barrel 32 of ratio flange plate 33 more approaching openings of valve body 30 cooperates with the inboard of rotor 22 outside cylindrical 24.Barrel 32 only forms the taper shape facing to the top, and as shown in Figure 4, has disposed the three pod 31A of place, 31B, 31C at circumferencial direction.And, these pods 31A, 31B, 31C, with the three boss 28A of place of outside cylindrical 24 inboards, 28B, 28C is interlocked.Here, pod 31A, 31B, the 31C width has nothing in common with each other, and is corresponding, convex 28A, 28B, the width of 28C is also different.In addition, between two valve bodies 30,30, these pods 31A, 31B, the configuration of 31C has nothing in common with each other, and is corresponding, at an end and the other end of outside cylindrical 24, convex 28A, 28B, the configuration of 28C is also different.Like this, two valve bodies 30,30 are engaged in an end and the other end of outside cylindrical 24 in equal mode.
As shown in Figure 6, in valve body 30 inside, wall 35 faces toward rotor 22 inside cylindrical 23 carrying cylinder 36 on end from being slidingly connected.Simultaneously, in the axial portions of carrying cylinder 36, form the shaft through-hole 34 that connects, axis body 13 is inserted logical thus.Here, carrying cylinder 36 contacts with the front end of inside cylindrical 23 when valve body 30 being given as security in the axial direction when being tightened to rotor 22, makes other parts of valve body outstanding from rotor 22.In addition, shaft through-hole 34 is narrowing down near valve seat 12 sides, forms minor diameter 37, simultaneously, because 22 sides from minor diameter 37 to rotor in the shaft through-hole 34 and axis body 13 form the state of Spielpassung.And barrel 32 also forms the Spielpassung state with outside cylindrical 24.Like this, valve body 30 can be that tilting action is carried out at the center with minor diameter 37, when rotor 22 to an end valve seat 12 side shiftings, when giving as security valve body 30 tightly on valve seat 12, the difference of the surface of contact of correspondence and valve seat 12 and the perpendicularity of axis body 13 tilts valve body 30, and remains on stable status.
In the middle of valve body 30 with 12 opposed of valve seats on, as shown in Figure 3, forming with shaft through-hole 34 is the arc groove 39 at center, at an end of its arc groove 39, forms the vent 40 that connects valve body 30 sliding contact walls 35.Arc groove 39 is along with near leaving the other end of described vent (40) side, and its width and the degree of depth diminish gradually, its end be configured in vent 40 near.
And in the valve body 30 and opposed part valve seat 12 become truncated cone shape.More detailed description, as shown in Figure 3, in the valve body 30 and opposed part valve seat 12 are the center with shaft through-hole 34, form the circular flat 41 that joins with arc groove 39 inside edges, form inclined-plane 42 near its 41 outsides, plane.Simultaneously, this inclined-plane 42, as shown in Figure 6, opposite planar 41 tilts in the scope of 1~1.5 degree.
It more than is the formation of the control valve 10 of present embodiment.For example, the refrigerant passage of heat pump is installed on the control valve 10 as described conduit 21,21.And for example, when the conduit 21 of fluid above Fig. 1 flowed to the below conduit, as shown in the drawing, rotor 22 and valve body 30,30 moved to the downstream side, and valve body 30 is given as security tightly on valve seat 12.Here, when the plane 41 and the opposing side of valve seat 12 of valve body 30 were not parallel, valve body 30 made the plane 41 of valve body 30 become parallel face contact with the opposing side of valve seat 12 by being that fulcrum carries out tilting action with small diameter portion 37 in the shaft through-hole 34.And because the driving of stepper motor 27, valve body 30 is turned back on the valve seat 12, circular arc ditch 39 width of valve port 18 relative parts in the circular arc ditch 39 that valve body 30 is provided with and valve seat 12 and degree of depth changes, and thus, the fluid flow by control valve 10 is changed.
Here, the control valve 10 of present embodiment because the opposed part with valve seat 12 in the valve body 30 is a truncated cone shape, so compare with traditional control valve, can reduce the sliding contact area of valve body 30 and valve seat 12, can make the rotation of valve body 30 slynesses.And valve body 30 makes the spin stabilization of valve body 30 because the plane 41 of truncated cone shape contacts slip with 12 of the valve seats of barrel-type casing 11.Simultaneously, inclined-plane 42 opposite planar 41 of truncated cone shape tilt in the scope of 1~1.5 degree, the gap turn narrow between its inclined-plane 42 and the valve seat 12, and air is difficult for flowing through, accurately control flow rate.
In addition, when the control valve 10 of present embodiment, the fluid conduit 21 below Fig. 1 flows to the top conduit, action too.
The present invention does not limit and described embodiment, so long as in the scope that does not break away from main points, can carry out above-mentioned various changes in addition and implement.

Claims (4)

1. a control valve is a kind of
Have rotor (22) is installed in the barrel-type casing (11) of two ends with valve seat (12,12) sealing, can drive the structure of rotor (22) rotation by the magnetic force in described barrel-type casing (11) outside, and,
Has a pair of valve body (30 at the two ends of described rotor (22), 30), described valve body (30) with opposed of described valve seat (12) on, form arc groove (39) and be configured in the vent (40) of an end of described arc groove (39), this arc groove (39), towards the other end that leaves described vent (40) side, its width and/or the degree of depth diminish gradually
By making fluid through being formed on the described valve seat (12 at two ends, 12) valve port (18 on, 18), flow in the barrel-type casing (11), described rotor (22) is moved axially,, make width and/or degree of depth change with the opposed described arc groove of described valve port (18) (39) by the rotation of described rotor (22), make the reformed control valve of flow (10) thus by barrel-type casing (11)
It is characterized in that: in the described valve body (30) and opposed part valve seat (12) form the truncated cone shape that has the plane (41) of the circular that is connected with described arc groove (39) inside edge and be positioned at the inclined-plane (42) outside the described plane (41).
2. control valve according to claim 1 (10) is characterized in that: the described inclined-plane (42) of described valve body (30), described relatively plane (41) tilts in the scope of 1~1.5 degree.
3. control valve according to claim 1 and 2 (10), it is characterized in that: described rotor (22) and valve body (30), by the described valve seat (12 that is installed in two ends, 12) axis body between (13) is rotatably mounted, the shaft through-hole (34) of inserting logical described axis body (13) in the described valve body (30), the internal diameter that leaves described valve seat (12) side is bigger than the internal diameter of described valve seat (12) side.
4. control valve according to claim 3 (10), it is characterized in that: on described valve body (30), be provided with, the center of being formed in has the tubular of described shaft through-hole (34) and is abutted against with described rotor (22), and other parts have been hanged the carrying cylinder (36) on described rotor (22).
CNB031430813A 2003-03-28 2003-06-19 Control valve Expired - Fee Related CN1300495C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003089754A JP2004293732A (en) 2003-03-28 2003-03-28 Control valve
JP2003089754 2003-03-28

Publications (2)

Publication Number Publication Date
CN1534223A CN1534223A (en) 2004-10-06
CN1300495C true CN1300495C (en) 2007-02-14

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CNB031430813A Expired - Fee Related CN1300495C (en) 2003-03-28 2003-06-19 Control valve

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CN (1) CN1300495C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK177066B1 (en) * 2008-05-05 2011-05-23 Frese As Control valve
CN105485400A (en) * 2014-09-18 2016-04-13 浙江三花股份有限公司 Electric switching valve
CN111765285B (en) * 2019-04-01 2022-08-16 浙江盾安禾田金属有限公司 Electric valve
CN111330095B (en) * 2020-03-10 2024-09-20 广州医科大学附属第三医院(广州重症孕产妇救治中心、广州柔济医院) Intelligent negative pressure suction control system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2233013Y (en) * 1994-03-27 1996-08-14 莫龙飞 Spring-like cork
CN2428645Y (en) * 2000-01-08 2001-05-02 胡彬 Rotary conical core pulse electromagnetic valve
JP2002147896A (en) * 2000-06-26 2002-05-22 Pacific Ind Co Ltd Motor flow control valve
JP2002228030A (en) * 2001-02-01 2002-08-14 Pacific Ind Co Ltd Flow rate control valve
JP2002317880A (en) * 2001-04-19 2002-10-31 Pacific Ind Co Ltd Motor-operated flow control valve

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2233013Y (en) * 1994-03-27 1996-08-14 莫龙飞 Spring-like cork
CN2428645Y (en) * 2000-01-08 2001-05-02 胡彬 Rotary conical core pulse electromagnetic valve
JP2002147896A (en) * 2000-06-26 2002-05-22 Pacific Ind Co Ltd Motor flow control valve
JP2002228030A (en) * 2001-02-01 2002-08-14 Pacific Ind Co Ltd Flow rate control valve
JP2002317880A (en) * 2001-04-19 2002-10-31 Pacific Ind Co Ltd Motor-operated flow control valve

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CN1534223A (en) 2004-10-06
JP2004293732A (en) 2004-10-21

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Granted publication date: 20070214

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