CN206429684U - Hand flow regulating valve - Google Patents
Hand flow regulating valve Download PDFInfo
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- CN206429684U CN206429684U CN201621335351.9U CN201621335351U CN206429684U CN 206429684 U CN206429684 U CN 206429684U CN 201621335351 U CN201621335351 U CN 201621335351U CN 206429684 U CN206429684 U CN 206429684U
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Abstract
The purpose of this utility model is to provide a kind of hand flow regulating valve that can shorten the time required to carrying out Flow-rate adjustment operation.In valve body, flow channel, valve element accommodating chamber and flow pass are formed point-blank side by side successively from the upstream side of the flow direction of fluid.In valve element accommodating chamber, spherical valve element is accommodated.Valve element, is formed as the hollow form with hollow bulb, has：1st opening, the 2nd opening, the 3rd opening and cut-off portion.When valve element is in the state of fully open position, on the flow direction of fluid, the 1st opening and the 2nd opening are relative with flow channel and flow pass respectively, and flow channel is connected with flow pass by the hollow bulb of valve element.When valve element is in the state of full close position, the 3rd opening and cut-off portion are relative with flow channel and flow pass respectively, are disconnected between the hollow bulb and flow pass of valve element by cut-off portion.
Description
Technical field
The utility model is related to a kind of manually operated flow control valve.
Background technology
In the past, well-known ball valve (Globe Valve) was that one kind is controlled by pipe-line system fluid flow etc.
The hand-operated valve of system.
Ball valve, possesses：Valve body (Body), the valve rod (Stem) set through valve body and the external stability in valve body
In the handle on valve rod.Partition wall is formed with valve body, by the partition wall, the valve chamber in valve body be divided into primary side and
Secondary side.On partition wall, the valve opening for connecting primary side valve chamber and secondary side valve chamber is formed with.Around valve opening, if
It is equipped with valve seat.Threaded portion is formed with valve rod, the threaded portion and the threaded portion twist-on being formed on valve seat.Therefore, operation is worked as
Handle make its to a direction or other directions rotate when, valve rod then relative to valve body to axial direction side or another sidesway
It is dynamic.By the movement of valve rod, the valve element for being arranged at valve rod is set to contact or separate with valve seat, the aperture of valve opening changes, from one
The fluid flow that secondary side valve room is flowed towards secondary side valve chamber changes.
Patent document
Japanese Patent Laid-Open 2009-185924 publications
Utility model content
However, in ball valve, the operational ton (rotation amount) of handle is more during due to Flow-rate adjustment (aperture regulation), therefore exist
The problem of Flow-rate adjustment operation is relatively time-consuming.
The purpose of this utility model is to provide a kind of manual stream that can shorten the time required to carrying out Flow-rate adjustment operation
Adjustable valve.
In order to realize the purpose, the hand flow regulating valve of one side of the present utility model, comprising：Valve body, by for
Make flow channel that fluid flows into, for the flow pass that pushes fluid out and between flow channel and flow pass
Valve element accommodating chamber is point-blank formed side by side；Spherical valve element, is contained in valve element accommodating chamber；Valve rod, one end and valve element
Connection, the other end is stretched out outside valve body, centered on the axis vertical with the straight line, is rotationally wholely set with valve element；
Handle, is connected outside valve body with valve rod, is operated manually to make valve element be rotated between fully open position and full close position；Institute
Valve element is stated, is formed as the hollow form with hollow bulb, has：1st opening and the 2nd opening, make hollow bulb respectively in fully open position
Connected with flow channel and flow pass；3rd opening, makes hollow bulb be connected with flow channel in full close position；Cut-off portion, complete
Closed position disconnects hollow bulb and flow pass；3rd opening, aperture area is smaller compared with the 1st is open.
According to the structure, in valve body, flow channel, valve element accommodating chamber and flow pass are from the upper of the flow direction of fluid
Trip side is formed point-blank side by side successively.In valve element accommodating chamber, the valve element of spherical (Ball shapes) is accommodated.Valve element with
The one end connection of valve rod.The other end of valve rod, stretches out outside valve body, on its other end, and connection is promising to make valve element complete
The handle for rotating and being operated manually between open position and full close position.
Valve element, is formed as the hollow form with hollow bulb, has：1st opening, the 2nd opening, the 3rd opening and cut-off portion.When
Valve element be in fully open position state when, on the flow direction of fluid, the 1st opening and the 2nd opening respectively with flow channel and
Flow pass is relative, and flow channel is connected with flow pass by the hollow bulb of valve element.Therefore, the fluid flowed into from flow channel
Flowed by hollow bulb to flow pass, fluid flows out from flow pass.On the other hand, when valve element is in the state of full close position
When, the 3rd opening and cut-off portion it is relative with flow channel and flow pass respectively, between the hollow bulb and flow pass of valve element by every
Disconnected portion disconnects.Therefore, even if fluid is flowed into from flow channel, fluid will not also flow from hollow bulb to flow pass, and fluid is not
Can be from flow pass outflow.
When at least a portion of the 2nd opening is relative with flow pass, and hollow bulb and the flow pass of valve element are in company
During logical state, valve element closer to fully open position, then towards the 2nd be open flow pass part area (aperture) it is bigger, phase
Instead, valve element is closer to full close position, then the area towards the part of the 2nd opening flow pass is smaller.If towards the 2nd opening outflow
The area of the part of passage is bigger, then the fluid flow flowed from hollow bulb to flow pass is more.Therefore, it is possible to pass through operation
Handle comes the position of adjusting spool, so as to adjust fluid flow.
Moreover, in the structure, handle operational ton when making the valve element be rotated between fully open position and full close position (turns
Dynamic angle) 180 ° of predetermined angular is less than, handle operational ton when carrying out Flow-rate adjustment need to be compared with below defined angle, only
Small angle, therefore the time needed for progress Flow-rate adjustment can be shortened.In addition, when valve element is in the state of full close position, by
The hollow bulb of valve element is flowed into by the 3rd opening in the fluid flowed into from flow channel, therefore valve element is from full close position towards standard-sized sheet
Position is rotated, and when hollow bulb starts to connect with flow pass by the 2nd, fluid is immediately from hollow bulb to flow pass stream
It is dynamic.Accordingly, the time needed for carrying out Flow-rate adjustment is further shortened.
So, compared with conventional ball valve, the time carried out needed for Flow-rate adjustment operation can significantly be shortened.
2nd opening, can also be formed as valve element is rotated from full close position to fully open position, the rotation direction with valve element
The shape of the width increase in vertical direction.
In addition, the 2nd opening, becomes when being rotated in valve element from full close position to fully open position in the downstream front end of rotation direction
Thin shape, the both sides in the direction vertical with the rotation direction can also have in 2 curve-likes protruded inwardly respectively
The ora terminalis of bending.
Hereby it is possible to make the aperture of expression hand flow regulating valve and the relation of the fluid flow flowed out from flow pass
Cv characteristics close to linear characteristic, i.e., with hand flow regulating valve aperture change and fluid flow linearly changes, can
Fluid flow carries out high-precision regulation in a short time.
In addition, it may be desirable to be configured to the 1st opening, the 2nd opening and the 3rd opening：Pass through the 1st opening center and the
The 1st straight-line pass center spool at 2 opening centers, also, it is straight by the 3rd opening center and the 2nd straight line of center spool and the 1st
Line is vertical.
Hereby it is possible to which the handle operational ton (rotational angle) when making the valve element be rotated between fully open position and full close position is big
About 90 °, it can further shorten the time carried out needed for Flow-rate adjustment operation.
In addition, each center of the 1st opening, the 2nd opening and the 3rd opening, refers to the rotation direction and pivot center of valve element
The middle position of direction both direction.
According to the utility model, the time carried out needed for Flow-rate adjustment operation can be shortened.
Brief description of the drawings
Fig. 1 is the plan of the hand flow regulating valve of an embodiment of the present invention.
Fig. 2 is the fragmentary cross-sectional view of hand flow regulating valve.
Fig. 3 is the right hand view of hand flow regulating valve, represents that valve element is in the state of open position.
Fig. 4 is the right hand view of hand flow regulating valve, represents the state that valve element is between closed position and open position.
Fig. 5 is the right hand view of hand flow regulating valve, represents that valve element is in the state of closed position.
Fig. 6 is the left surface figure of hand flow regulating valve, represents that valve element is in the state of closed position.
Fig. 7 is the figure for the example for representing the 2nd opening shape.
Fig. 8 is the figure for other examples for representing the 2nd opening shape.
Description of reference numerals
1 hand flow regulating valve
2 valve bodies
3 valve elements
4 valve rods
5 handles
16 valve element accommodating chambers
17 flow pass
21 flow channels
51 hollow bulbs
52 the 1st openings
53 the 2nd openings
54 the 3rd openings
55 cut-off portions
56 the 1st ora terminalis (ora terminalis)
57 the 2nd ora terminalis (ora terminalis)
Embodiment
Below, embodiment of the present utility model is described in detail referring to the drawings.
＜ hand flow regulating valves ＞
Fig. 1 is the plan of the hand flow regulating valve 1 of an embodiment of the present invention.Fig. 2 is hand flow regulating valve 1
Fragmentary cross-sectional view.
As shown in Fig. 2 hand flow regulating valve 1 possesses：Valve body (Body) 2, spherical valve element (Ball) 3, valve rod
(Stem) 4 and handle 5.
Valve body 2, with valve body body 11 twist-on have the structure of bonnet 12.For example, valve body body 11 and bonnet 12 by
Stainless steel is constituted.
Valve body body 11, is integrally provided with：Valve element receiving portion 13, flow pass portion 14 and valve rod insertion section 15.
Valve element receiving portion 13, in substantially cylindric, valve element accommodating chamber 16 is formed in inner side.Along valve element receiving portion 13
On the end inner peripheral surface of the side of centerline direction, screw thread is formed with.
Flow pass portion 14, it is another relative to the centerline direction that valve element receiving portion 13 is formed along valve element receiving portion 13
Side.Flow pass portion 14, in the center line substantially cylindrical shape consistent with valve element receiving portion 13, and forms flow pass in inner side
17.On the inner peripheral surface in flow pass portion 14, the screw thread for connecting line (not shown) is formed with.In the He of valve element receiving portion 13
Between flow pass portion 14, each inner peripheral surface relative to valve element receiving portion 13 and flow pass portion 14 is formed with and protruded inwardly
Annular convex 18.
Valve rod insertion section 15, in extending on the direction of the central axis of valve element receiving portion 13 from valve element receiving portion 13
It is substantially cylindric.On the inner peripheral surface of valve rod insertion section 15, annular convex 19 forms as one with valve rod insertion section 15.
In addition, in the following description, using the side of flow pass portion 14 relative to valve element receiving portion 13 as right side, with
Relative to valve element receiving portion 13 the side of valve rod insertion section 15 as upside, above and below regulation, left and right and front and rear all directions.And
And, in Fig. 1~Fig. 6 each figure, direction indicated by an arrow.
Bonnet 12, the valve element receiving portion 13 and the opposite side of flow pass portion 14, i.e. valve element being configured at relative to valve body 2 is held
Receive the left side in portion 13.Bonnet 12, in substantially cylindric, flow channel 21 is formed in inner side.Accordingly, valve element accommodating chamber 16, outflow
Passage 17 and flow channel 21, are formed on the center line of valve element receiving portion 13 side by side.
On the outer peripheral face of the right part of bonnet 12, screw thread is formed with.The right part of bonnet 12 holds from left side insertion valve element
Receive the left part in portion 13, by the twist-on of the screw thread and the screw thread of the inner peripheral surface of valve element receiving portion 13 of outer peripheral face, bonnet 12 and valve
The twist-on of body body 11.In addition, on the inner peripheral surface of the right part of bonnet 12, being formed with the spiral shell for connecting line (not shown)
Line.
On the pars intermedia (relative to the left part of outer peripheral face screw thread) of bonnet 12, it is formed with entirely week portion outwards
The flange part 22 that side is stretched out.Between the flange part 22 and valve body body 11, sealing gasket 23 is folded with.Sealing gasket 23, for example, by
Fluororesin is constituted.Sealing gasket 23, is abutted in liquid-tight manner with valve body body 11 and flange part 22, make valve body body 11 and flange part 22 it
Between seal.
In addition, on the pars intermedia (relative to the right part of inner peripheral surface screw thread) of bonnet 12, being formed with prominent from inner peripheral surface
The annular convex 24 gone out.
Valve element 3, for example, being made up of stainless steel.Valve element 3, is contained in valve element receiving portion 13.Valve element 3 and annular convex 18,
Between 24, the ball seat (BallSeat) 25,26 of annular shape is respectively arranged with.Ball seat 25,26, for example, by fluororesin
Constitute.Because fluororesin has good surface lubrication, therefore valve element 3 is rotatably mounted in valve element receiving portion 13.In addition,
Between the annular convex 19 of valve element 3 and valve rod insertion section 15, thrust washer 27 is folded with.Thrust washer 27, for example, by fluorine tree
Fat is formed.
Valve rod 4, for example, being made up of stainless steel.Valve rod 4, is interspersed in the valve rod insertion section 15 of valve body 2.Valve rod 4, it is overall
In pole shape.The bottom of valve rod 4, is interspersed in thrust washer 27, can not be connected with the relative rotation with valve element 3 (cooperation).
On the side face of the upper end of valve rod 4,2 planes (across flats) parallel to each other are formed with, the part beyond plane is formed
For screw thread.
Between the inner face and valve rod 4 of the valve rod insertion section 15 of valve body 2, substantially cylindric airtight and watertight padding 31 is provided with.
Airtight and watertight padding 31, for example, being made up of fluororesin.In the upside of airtight and watertight padding 31, gland 32 is provided with, airtight and watertight padding 31 is led to
Cross gland 32 and be squeezed in the annular convex 19 of valve rod insertion section 15.Valve rod insertion section is made by airtight and watertight padding 31
In the state of being sealed between 15 inner face and valve rod 4, valve rod 4 is rotatably mounted on valve rod insertion section 15.Gland 32,
For example, being made up of stainless steel.
Handle 5, for example, being made up of stainless steel.The one direction of handle 5 extends longlyer, to make one end configuration than another
The high position in end, the central portion bending of its length direction.On the one end of handle 5, generally rectangular shape is formed with
Patchhole 33, handle 5 be set to be interspersed with the patchhole 33 upper end of valve rod 4 and with by the side face of valve rod 4
The state that the end difference for forming across flats and producing is abutted.Moreover, bottom and the valve of the pad 34 being made up of hex nut
The upper end twist-on of bar 4 so that handle 5 can not be fixed on valve rod 4 with the relative rotation.In addition, on handle 5, be formed with to
Socket part 35.Abutting part 35, extends to the length direction of handle 5 from the one end of handle 5, bends downwards and extend.In handle 5
The other end on, be arranged with the handle jacket 36 being made up of resin.
Between the one end of handle 5 and the valve rod insertion section 15 of valve body 2, aperture indicator board 41 is provided with.Aperture is indicated
Plate 41, in the substantially annulus tabular for being interspersed with valve rod 4, is fixed on the protuberance 42 from the outer peripheral face protrusion of valve rod insertion section 15
On.On aperture indicator board 41, it is about 90 ° of through holes 43 in arc-shaped to be formed with central angle, in through hole 43, is interspersed with handle
5 abutting part 35.Accordingly, in through hole 43 in the angular range of the moveable scope of abutting part 35, i.e., about 90 °, Ke Yicao
Making handle 5 rotates its state extended in the lateral direction and the state extended in front-rear direction.Grasped by the rotation of handle 5
Make, valve rod 4 rotates, with the rotation of valve rod 4, valve element 3 by with centered on the identical pivot center of valve rod 4 in fully open position and entirely
Rotated between closed position.Above aperture indicator board 41, in the outer circumferential side of through hole 43, it is marked with for representing turning for handle 5
The scale of dynamic position (rotational angle).
In addition, on pad 34, being arranged with block 44.Block 44, integrally has：Substantially cylindric stop block body portion
45th, it is arranged at the upper plate portion 46 of the substantially annulus tabular of the upper end in stop block body portion 45 and oliquely downward prolongs from stop block body portion 45
2 foot sections 47 stretched.2 foot sections 47, form rotationally symmetrical centered on the central axis in stop block body portion 45, have
The plane 48 (reference picture 4) extended with the diameter parallel in stop block body portion 45.
In the state of block 44 is sheathed on pad 34, surrounded around pad 34 by stop block body portion 45, each branch
The end surfaces of the plane 48 of foot 47 and the one end of handle 5 ground relative, the lower end of each foot section 47 and aperture indicator board
Abutted above 41.In this state, wing bolt 49 is interspersed in upper plate portion 46, the bottom of wing bolt 49 and pad
34 upper end twist-on, when wing bolt 49 is tightened, upper plate portion 46 be held on wing bolt 49 head and pad 34 it
Between, the lower end of each foot section 47 is crimped on above aperture indicator board 41.Accordingly, handle 5 is not relative to aperture indicator board 41
Easily rotationally fixed.
＜ valve elements ＞
Fig. 3 is the right hand view of hand flow regulating valve 1, represents that valve element 3 is in the state of open position.Fig. 4 is manual stream
The right hand view of adjustable valve 1, represents the state that valve element 3 is between closed position and open position.Fig. 5 is hand flow regulating valve
1 right hand view, represents that valve element 3 is in the state of closed position.Fig. 6 is the left surface figure of hand flow regulating valve 1, represents valve element
3 are in the state of closed position.
Valve element 3, is formed as the hollow form with hollow bulb 51, has：1st opening the 52, the 2nd opening the 53, the 3rd opening 54 and
Cut-off portion 55.
The opening 53 of 1st opening the 52 and the 2nd, when valve element 3 is in the state of fully open position, is formed at and is respectively formed in valve
The direction of flow channel 21 and flow pass 17 and the center line of valve element receiving portion 13 in body 2 is (identical.Hereinafter referred to as " center
Line direction ".) on relative position.In other words, the opening 53 of the 1st opening the 52 and the 2nd, is opened by the center and the 2nd of the 1st opening 52
1st straight line at the center of mouth 53 is formed at the position at the center by valve element 3.As shown in FIG. 1 to 3, when valve element 3 is in standard-sized sheet
During the state of position, handle 5 extends in the lateral direction.
1st opening 52, is formed as having diameter almost identical with the circular open surrounded by the annular convex 24 of bonnet 12
Toroidal.1st opening 52, when state relative with flow channel 21 on centerline direction, on centerline direction with
The circular open surrounded by annular convex 24 is overlapping.
As shown in figure 3, the 2nd opening 53, is formed as when valve element 3 is rotated from full close position to fully open position in rotation direction
(hereinafter referred to as " open rotation direction ".) the generally fan-shaped shape (ginkgo leaf shape) that attenuates of downstream front end.Specifically, the 2nd
Opening 53, vertical with the pivot center of valve element 3 and in the side of the plane relative to the diameter comprising valve element 3 and opposite side
On, the 1st ora terminalis 56 and the 2nd ora terminalis 57 respectively with the 2 curve sigmoids prominent to the planar side.In addition, the 2nd opening
53, have：For connecting the 1st connection edge between the 1st ora terminalis 56 and each downstream for opening rotation direction of the 2nd ora terminalis 57
58, the 2nd connection for connecting the arc-shaped between the 1st ora terminalis 56 and each upstream end for opening rotation direction of the 2nd ora terminalis 57
Edge 59.
In addition, the 1st ora terminalis 56 and the 2nd ora terminalis 57 and the 1st coupling part for being connected edge 58, both can be as shown in Figure 7
Bending, can also bend as shown in Figure 8.In addition, the 1st ora terminalis 56 and the 2nd ora terminalis 57 and the 2nd connecting portion for being connected edge 59
Point, it both can as shown in Figure 7 bend, can also bend as shown in Figure 8.
As shown in Figures 5 and 6, when valve element 3 is in the state of full close position, the 3rd opening 54 and cut-off portion 55 are formed at
The position relative with the flow channel 21 and the centerline direction of flow pass 17 being respectively formed in valve body 2.When valve element 3 is in
During the state of full close position, handle 5 extends in front-rear direction.
As shown in fig. 6, the 3rd opening 54, is formed as the toroidal with the less diameter compared with the 1st opening 52.Work as valve
When core 3 is in the state of full close position, the 2nd straight line at be open by the 3rd 54 center and the center of valve element 3, with being opened by the 1st
1st straight line at the center of mouth 52 and the center of the 2nd opening 53 is vertical.
As shown in figure 5, cut-off portion 55 is made up of a part for the perisporium of valve element 3.
＜ action effects ＞
When valve element 3 be in fully open position state when, the 1st opening the 52 and the 2nd opening 53 respectively with flow channel 21 and stream
Go out passage 17 relative on centerline direction, flow channel 21 is connected with flow pass 17 by the hollow bulb 51 of valve element 3.Cause
This, the fluid flowed into from flow channel 21 is flowed by hollow bulb 51 to flow pass 17, and fluid flows out from flow pass 17.Separately
On the one hand, when valve element 3 be in full close position state when, the 3rd opening 54 and cut-off portion 55 respectively with flow channel 21 and outflow
Passage 17 is relative, is disconnected between the hollow bulb 51 and flow pass 17 of valve element 3 by cut-off portion 55.Therefore, even if fluid is from stream
Enter passage 21 to flow into, fluid will not also flow from hollow bulb 51 to flow pass 17, fluid will not flow out from flow pass 17.
At least a portion of 2nd opening 53 is relative with flow pass 17, at the hollow bulb 51 and flow pass 17 of valve element 3
In the state of connection, valve element 3 (is opened closer to fully open position, the then area towards the part of the flow pass 17 of the 2nd opening 53
Degree) it is bigger, on the contrary, valve element 3 is closer to full close position, then the area towards the part of the flow pass 17 of the 2nd opening 53 is smaller.
Area towards the part of the flow pass 17 of the 2nd opening 53 is bigger, then the fluid flowed from hollow bulb 51 to flow pass 17
Flow is more.Therefore, it is possible to by operation handle, the position of adjusting spool 3, so as to adjust the flow of fluid.
Moreover, in the structure, when making valve element 3 be rotated between fully open position and full close position, the operation of handle 5
It is about 90 ° to measure (rotational angle), and the operational ton of the handle 5 during progress Flow-rate adjustment only needs less angle below 90 °, therefore
The time needed for Flow-rate adjustment can be shortened.In addition, when valve element 3 is in the state of full close position, due to from flow channel 21
The fluid of inflow flows into the hollow bulb 51 of valve element 3 by the 3rd opening 54, therefore valve element 3 is from full close position towards fully open position
Rotate, when hollow bulb 51 starts to connect with flow pass 17 by the 2nd opening 53, fluid can be logical from hollow bulb 51 to outflow immediately
Flow in road 17.Accordingly, the time needed for carrying out Flow-rate adjustment further shortens.
In addition, the 2nd opening 53, the shape attenuated in valve element 3 in the downstream front end for opening rotation direction, with opening rotation side
To the both sides in vertical direction, the 1st ora terminalis 56 and the 2nd ora terminalis 57 respectively with the 2 curve sigmoids protruded inwardly.Cause
This, can make the Cv characteristics of the aperture of expression hand flow regulating valve 1 and the relation of the fluid flow flowed out from flow pass 17
Close to linear characteristic, i.e., with hand flow regulating valve 1 aperture change and fluid flow linearly changes, can be in short-term
Interior fluid flow carries out high-precision regulation.
Therefore, compared with conventional ball valve, hand flow regulating valve 1 can significantly shorten progress Flow-rate adjustment operation
The required time.
＜ variations ＞
More than, an embodiment of the present utility model is illustrated, but the utility model also can be with others side
Formula is implemented.
For example, it is also possible to omit block 44 and wing bolt 49 from the structure.
In addition, the connection of hand flow regulating valve 1 and pipeline, is not limited in twist-on, it can also be bolted.
Although the substantially fan that the 2nd opening 53 is formed as attenuating in the downstream front end for opening rotation direction has been illustrated above
The structure of shape, but the 2nd opening 53, for example, it is also possible to be formed as the 2nd opening 53 on rotation direction is opened it is linearly extended substantially
Rectangular shape (slit-shaped).
In addition, various design alterations can be carried out in the claimed scope of claim of the present utility model.
Claims (4)
1. a kind of hand flow regulating valve, it is characterised in that include：
Valve body, by for making flow channel that fluid flows into, for the flow pass that pushes fluid out and positioned at it is described flow into it is logical
Valve element accommodating chamber between road and the flow pass is point-blank formed side by side；
Spherical valve element, is contained in the valve element accommodating chamber；
Valve rod, one end is connected with the valve element, and the other end is stretched out outside the valve body, using the axis vertical with the straight line as
It is wholely set with the valve element central rotatable；
Handle, is connected outside the valve body with the valve rod, is upwardly extended in the side intersected with the valve rod, to make the valve element
Rotate and be operated manually between fully open position and full close position；
The valve element, is formed as the hollow form with hollow bulb, has：
1st opening and the 2nd opening, make the hollow bulb and the flow channel and the outflow logical respectively in the fully open position
Road is connected；
3rd opening, makes the hollow bulb be connected with the flow channel in the full close position；
Cut-off portion, the hollow bulb and the flow pass are disconnected in the full close position；
3rd opening, aperture area is smaller compared with the described 1st is open.
2. hand flow regulating valve according to claim 1, it is characterised in that
2nd opening, is formed as the valve element is rotated and the valve element from the full close position to the fully open position
The vertical direction of rotation direction width increase shape.
3. hand flow regulating valve according to claim 2, it is characterised in that
2nd opening, in rotation direction downstream when being rotated in the valve element from the full close position to the fully open position
The shape that front end attenuates, the both sides in the direction vertical with the rotation direction are curved with 2 curve-likes protruded inwardly respectively
Bent ora terminalis.
4. hand flow regulating valve according to any one of claim 1 to 3, it is characterised in that
1st opening, the 2nd opening and the 3rd opening, are configured to：Pass through the described 1st opening center and the described 2nd
Center spool described in 1st straight-line pass at opening center, also, pass through the described 3rd opening center and the 2nd straight line of center spool
It is vertical with the 1st straight line.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016001608U JP3205281U (en) | 2016-04-07 | 2016-04-07 | Manual flow control valve |
| JP2016-001608 | 2016-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206429684U true CN206429684U (en) | 2017-08-22 |
Family
ID=56414033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621335351.9U Active CN206429684U (en) | 2016-04-07 | 2016-12-07 | Hand flow regulating valve |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3205281U (en) |
| CN (1) | CN206429684U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595355A (en) * | 2019-02-02 | 2019-04-09 | 台州同盛铜业有限公司 | A kind of spool |
| CN111623134A (en) * | 2019-02-27 | 2020-09-04 | 巨全金属工业股份有限公司 | Valve ball structure and ball valve switch thereof |
| CN111853270A (en) * | 2020-08-06 | 2020-10-30 | 中建环能科技股份有限公司 | Air flow regulating valve |
| CN112205887A (en) * | 2020-09-30 | 2021-01-12 | 宁波方太厨具有限公司 | Exhaust structure of steaming and baking cooking equipment and steaming and baking integrated machine |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019007513A (en) * | 2017-06-21 | 2019-01-17 | 株式会社ハマイ | Opening/closing operation valve |
| KR102213292B1 (en) * | 2020-12-28 | 2021-02-05 | 최준영 | Ball--- valve |
| KR102660932B1 (en) * | 2022-05-24 | 2024-04-25 | (주)태일엠텍 | Ball valve for flow control |
-
2016
- 2016-04-07 JP JP2016001608U patent/JP3205281U/en active Active
- 2016-12-07 CN CN201621335351.9U patent/CN206429684U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595355A (en) * | 2019-02-02 | 2019-04-09 | 台州同盛铜业有限公司 | A kind of spool |
| CN111623134A (en) * | 2019-02-27 | 2020-09-04 | 巨全金属工业股份有限公司 | Valve ball structure and ball valve switch thereof |
| CN111853270A (en) * | 2020-08-06 | 2020-10-30 | 中建环能科技股份有限公司 | Air flow regulating valve |
| CN112205887A (en) * | 2020-09-30 | 2021-01-12 | 宁波方太厨具有限公司 | Exhaust structure of steaming and baking cooking equipment and steaming and baking integrated machine |
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| JP3205281U (en) | 2016-07-21 |
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