CN208442314U - Valve gear - Google Patents
Valve gear Download PDFInfo
- Publication number
- CN208442314U CN208442314U CN201820913292.1U CN201820913292U CN208442314U CN 208442314 U CN208442314 U CN 208442314U CN 201820913292 U CN201820913292 U CN 201820913292U CN 208442314 U CN208442314 U CN 208442314U
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- Prior art keywords
- magnet
- oil circuit
- valve
- hole
- magnet retainer
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- 230000002265 prevention Effects 0.000 claims abstract description 50
- 239000000446 fuel Substances 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 20
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 14
- 230000008676 import Effects 0.000 description 11
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 238000005192 partition Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000007767 bonding agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Valve Housings (AREA)
- Sliding Valves (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The utility model provides valve gear.One mode of the valve gear of the utility model includes oil circuit body, in the internal oil circuit with fuel feeding flowing；Slide valve is installed on oil circuit body, configures along the central axis extended in the axial direction；Magnet retainer is configured at the axial side of slide valve, is supported by slide valve；Magnet is fixed on magnet retainer；Magnetic Sensor is installed on oil circuit body, detects the magnetic field of magnet；And rotation prevention portion, it can be contacted with magnet retainer.Oil circuit body has the sliding valve hole axially extended.In sliding valve hole, slide valve and magnet retainer are configured to be axially moveable.Allow slide valve and magnet retainer each other around central axis relative rotation.Magnet retainer has an opposed portion, and the opposed portion is and opposed with rotation prevention portion in the circumferential direction of central axis along with slide valve moving and be axially moveable in the axial direction, can contact with rotation prevention portion.
Description
Technical field
The utility model relates to valve gears.
Background technique
There is known the slide valves for being set to oil circuit body.It is cut for example, describing be set to the discharge rate of oil pump in patent document 1
The slide valve of changing device.
For example, magnet is installed on slide valve sometimes, passes through magnetic as shown in Japanese Unexamined Patent Publication 2016-183579 bulletin
Sensor is come the position of detecting the magnetic field of magnet to detect in the axial direction of slide valve.But in this case, when slide valve is around axis
When rotation, since magnet and slide valve rotate together with, the magnetic field of magnet detected by Magnetic Sensor changes sometimes.By
This, even if in the case that the position in the axial direction of actually slide valve is there is no changing, slide valve detected by Magnetic Sensor
Location information also changes, and can not accurately grasp the position in the axial direction of slide valve sometimes.
Utility model content
In view of the foregoing, one of its goals is to provide following valve gear to the utility model: can be improved grasp and slides
The precision of position in the axial direction of valve.
One mode of the valve gear of the utility model includes oil circuit body, in the internal oil circuit with fuel feeding flowing；It is sliding
Valve is installed on the oil circuit body, configures along the central axis extended in the axial direction, magnet retainer, is configured at described
The axial side of slide valve, is supported by the slide valve；Magnet is fixed on the magnet retainer；Magnetic Sensor is installed on institute
Oil circuit body is stated, the magnetic field of the magnet is detected；And rotation prevention portion, it can be contacted with the magnet retainer, the oil circuit body
With the sliding valve hole axially extended, in the sliding valve hole, the slide valve and the magnet retainer are configured to edge
Axial movement allows the slide valve and the magnet retainer each other around the central axis relative rotation, and the magnet is kept
Frame has an opposed portion, and the opposed portion is along with the slide valve moving and be axially moveable in the axial direction, and at the center
It is opposed with the rotation prevention portion in the circumferential direction of axis, it can be contacted with the rotation prevention portion.
It, can be to the upper of the utility model from below with reference to detailed description of the attached drawing to the preferred embodiment in the utility model
It states and is more clearly understood with other elements, characteristic, step, feature and advantage.
Detailed description of the invention
Fig. 1 is the perspective view for showing a part of valve gear of first embodiment.
Fig. 2 is the exploded perspective view for showing a part of valve gear of first embodiment.
Fig. 3 is the figure for showing a part of valve gear of first embodiment, is the cross-sectional view of the III-III line along Fig. 1.
Fig. 4 is the figure from a part of the valve gear of front side first embodiment.
Fig. 5 is the cross-sectional view for showing a part of valve gear of second embodiment.
Fig. 6 is the perspective view for showing the magnet retainer and rotation prevention portion of second embodiment.
Specific embodiment
In the various figures, if Z axis is to for up and down direction Z.If X axis is the left side in the horizontal direction vertical with up and down direction Z
Right direction X.If Y-axis is the axial Y vertical with the left and right directions X in the horizontal direction perpendicular to up and down direction Z.By upper and lower
Positive side into Z is known as " upside ", and negative side is known as " downside ".Positive side in axial Y is known as " front side ", negative side is known as
" rear side ".Front side is equivalent to axial side, and rear side is equivalent to the axial other side.In addition, upside, downside, front side, rear side, up and down
Direction and left and right directions are only used for illustrating the title of the relative positional relationship of each section, and actual configuration relation etc. can also be with
It is the configuration relation etc. other than configuration relation shown in these titles etc..
< first embodiment >
Fig. 1 and the valve gear of present embodiment shown in Fig. 2 10 are for example mounted in the control valve of vehicle.Valve gear 10 has
There are oil circuit body 20, slide valve 30, magnet retainer 80, magnet 50, elastomeric element 70, fixation member 71 and sensor module 40.
As shown in figure 3, oil circuit body 20 is in the internal oil circuit 10a with fuel feeding flowing.The oil circuit 10a's indicated in Fig. 3
Part is a part of aftermentioned sliding valve hole 23.In the various figures, such as the state for having cut a part of oil circuit body 20 is shown.Such as
Shown in Fig. 1, oil circuit body 20 has lower body 21 and portion of upper body 22.Although diagram is omitted, oil circuit 10a is for example set to lower body
21 with 22 both sides of portion of upper body.
Lower body 21 has the partition 21b to overlap on the upside of lower part phosphor bodies 21a and lower part phosphor bodies 21a.At this
In embodiment, the upper surface of lower body 21 is equivalent to the upper surface of partition 21b, vertical with up and down direction Z.Portion of upper body 22 is under
The upside of portion's body 21 overlaps.The lower surface of portion of upper body 22 is vertical with up and down direction Z.The lower surface of portion of upper body 22 and lower body
The upper surface contact of 21 upper surface, i.e. partition 21b.
As shown in figure 3, portion of upper body 22 has the sliding valve hole 23 extended along axial Y.In the present embodiment, sliding valve hole 23
The cross sectional shape vertical with axial Y is the round centered on central axis J.Central axis J extends along axial Y.In addition, will
Radial direction centered on central axis J is referred to as " radial direction ", and the circumferential direction centered on central axis J is referred to as " circumferential direction ".
Sliding valve hole 23 is at least in front openings.In the present embodiment, the rear end of sliding valve hole 23 is blocked.That is, sliding valve hole
23 be in front openings and with the hole of bottom.In addition, sliding valve hole 23 for example can also be in the both-side opening of axial Y.Sliding valve hole
23 at least part constitutes a part of the oil circuit 10a in oil circuit body 20.
Sliding valve hole 23 has sliding valve hole main body 23a and imports hole portion 23b.Although diagram is omitted, in sliding valve hole main body 23a
Inner peripheral surface on, be set to the part other than the sliding valve hole 23 in oil circuit body 20 oil circuit 10a opening.Import the interior of hole portion 23b
Diameter is bigger than the internal diameter of sliding valve hole main body 23a.Hole portion 23b is imported to connect with the end of the front side of sliding valve hole main body 23a.Import hole portion
23b is the end of the front side of sliding valve hole 23, in front openings.
It is recessed from the inner circumferential of sliding valve hole 23 towards radial outside and as shown in Figure 1, sliding valve hole 23 has along axial Y extension
Groove portion 24.In the present embodiment, groove portion 24 clips central axis J and is provided with a pair.A pair of of groove portion 24 from import hole portion 23b
Inner peripheral surface in the lateral direction X two sides recess.Groove portion 24 from import hole portion 23b inner peripheral surface on front side end setting to
Import the end of the rear side on the inner peripheral surface of hole portion 23b.As shown in figure 4, the medial surface 24a of groove portion 24 is in when from front side
It is recessed from the inner circumferential for importing hole portion 23b towards radial outside semicircular arc-shaped.
As shown in figure 3, portion of upper body 22 has through hole 22a, 22b, 22c in the end of the front side of portion of upper body 22.Through hole
Z runs through the upper surface slave portion of upper body 22 in portion of upper body 22 to the part for the inner peripheral surface for importing hole portion 23b to 22a along the vertical direction.
Z runs through the lower surface slave portion of upper body 22 in portion of upper body 22 to the inner peripheral surface for importing hole portion 23b to through hole 22b along the vertical direction
Part.As shown in Figure 1, through hole 22a and through hole 22b are when from upside in longer rectangle on X in left and right directions.
Through hole 22a and through hole 22b coincides with one another when from upside.
As shown in figure 3, through hole 22c runs through the front surface slave portion of upper body 22 in portion of upper body 22 to through hole along axial Y
The part of 22b.Through hole 22c is set to the lower end in the front surface of portion of upper body 22.Through hole 22c is in lower opening.Such as Fig. 4
Shown, through hole 22c is when from front side in longer rectangle on X in left and right directions.A left side of through hole 22a, 22b, 22c
Center on right direction X is for example identical as the position on the left and right directions X of central axis J.
As shown in Figure 1, the part for being provided with sliding valve hole 23 in portion of upper body 22 than portion of upper body 22 other parts to upside
It is prominent.The upper surface of the end of front side in the part outstanding is the semicircular arc-shaped curved surface protruded to upside.Through hole 22a
It is open in the upper end of the semicircular arc-shaped curved surface.Lower part phosphor bodies 21a, partition 21b and portion of upper body 22 are for example one respectively
Component.Lower part phosphor bodies 21a, partition 21b and portion of upper body 22 are made of nonmagnetic material.
As shown in figure 3, slide valve 30 is configured along the central axis J extended on the axial Y intersected with up and down direction Z.It is sliding
Valve 30 is cylindrical.Slide valve 30 is installed on oil circuit body 20.Slide valve 30 is configured to move along axial Y in sliding valve hole 23.
Slide valve 30 moves in sliding valve hole main body 23a along axial Y, and to the inner peripheral surface upper opening in sliding valve hole main body 23a
The opening portion of oil circuit 10a be opened and closed.Although illustration omitted, by driving devices such as the oil pressure of oil or solenoid actuators
Apply the power towards front side to the end of the rear side of slide valve 30.Slide valve 30 has supporting part 31a, multiple large-diameter portion 31b and multiple
Small diameter portion 31c.Each section of slide valve 30 extends cylindric in centered on central axis J along axial Y.
Supporting part 31a is the end of the front side of slide valve 30.The overhang bracket magnet retainer 80 of the front side of supporting part 31a
The end of rear side.The end of the rear side of supporting part 31a is connect with the end of the front side of large-diameter portion 31b.
Multiple large-diameter portion 31b and multiple small diameter portion 31c are from the large-diameter portion 31b connecting with the end of the rear side of supporting part 31a
It is arranged alternately in a continuous manner towards rear side.The outer diameter of large-diameter portion 31b is bigger than the outer diameter of small diameter portion 31c.In the present embodiment, it supports
The outer diameter of portion 31a is e.g. identical with the outer diameter of small diameter portion 31c.The outer diameter of large-diameter portion 31b and the internal diameter of sliding valve hole main body 23a
Roughly the same, the internal diameter than sliding valve hole main body 23a is slightly smaller.Large-diameter portion 31b being capable of inner circumferential of the one side relative to sliding valve hole main body 23a
It is mobile that an edge axial direction Y is slided in face.Large-diameter portion 31b is as the oil circuit 10a's to the inner peripheral surface upper opening in sliding valve hole main body 23a
Valve portion that opening portion is opened and closed and function.In the present embodiment, slide valve 30 is, for example, a portion made of metal
Part.
Magnet retainer 80 is configured in the front side of slide valve 30.Magnet retainer 80 is configured in the inside for importing hole portion 23b
For that can be moved along axial Y.Allow slide valve 30 and magnet retainer 80 each other around central axis relative rotation.As shown in Fig. 2, magnetic
Iron retainer 80 has retainer main part 81 and opposed portion 82.
Retainer main part 81 is cylindric with step in being extended centered on central axis J along axial Y.Such as Fig. 3
Shown, retainer main part 81 configures in sliding valve hole 23.In more detail, the configuration of retainer main part 81 is importing hole portion
In 23b.Retainer main part 81 has sliding part 81a and supported portion 81b.That is, magnet retainer 80 have sliding part 81a and
Supported portion 81b.
The outer diameter of sliding part 81a is bigger than the outer diameter of large-diameter portion 31b.The outer diameter of sliding part 81a and the internal diameter for importing hole portion 23b
Roughly the same, the internal diameter than importing hole portion 23b is slightly smaller.Sliding part 81a (can exist relative to the inner peripheral surface of sliding valve hole 23 on one side
Inner peripheral surface in present embodiment to import hole portion 23b) sliding one edge axial direction Y movement.In the face of the rear side of sliding part 81a
Radially outer edge portion can in sliding valve hole main body 23a and import the step towards front side between hole portion 23b in the step that generates
Face contact.Thereby, it is possible to inhibit magnet retainer 80 from the position of magnet retainer 80 and step face contact, side is mobile backward, energy
Enough determine the last end position of magnet retainer 80.Due to as aftermentioned slide valve 30 via magnet retainer 80 and from elastic portion
Part 70 is by the power towards rear side, therefore the last end position by determining magnet retainer 80, can determine slide valve 30 most
Back-end location.
Supported portion 81b is connect with the end of the rear side of sliding part 81a.The outer diameter of supported portion 81b is than sliding part 81a's
The outer diameter of outer diameter and large-diameter portion 31b are small, and the outer diameter of outer diameter and small diameter portion 31c than supporting part 31a is big.Supported portion 81b can
It is moved in sliding valve hole main body 23a.Supported portion 81b is importing hole portion 23b and cunning along axial moving for Y along with slide valve 30
It is moved between valve opening main body 23a along axial Y.
Supported portion 81b have be recessed from the end of the rear side of supported portion 81b to front side by bearing recess portion 80b.?
Supporting part 31a is inserted into bearing recess portion 80b.The end of the front side of supporting part 31a is contacted with by the bottom surface of bearing recess portion 80b.
Magnet retainer 80 is supported by slide valve 30 from rear side as a result,.Size on the axial Y of supported portion 81b is for example than sliding part 81a
Axial Y on size it is small.
As shown in Fig. 2, opposed portion 82 is prominent from retainer main part 81 to radial outside.In more detail, opposed portion 82
It is prominent from sliding part 81a to radial outside.Opposed portion 82 clips central axis J and is provided with a pair in the present embodiment.One
It is prominent to the two sides of opposed portion 82 from the outer peripheral surface of sliding part 81a X in the lateral direction.Opposed portion 82 is from the front side of sliding part 81a
End extended to along axial Y sliding part 81a rear side end.As shown in figure 4, opposed portion 82 when from front side in
Radial outside protrudes semicircular arc-shaped.
A pair of of opposed portion 82 is chimeric with a pair of of groove portion 24.Opposed portion 82 is circumferentially opposed with the medial surface 24a of groove portion 24, and
And it can be contacted with medial surface 24a.In addition, in the present specification, " certain 2 part is circumferentially opposed " includes that certain 2 part is double
Orientation is in 1 imaginary circle circumferentially and situation opposite each other.
As shown in figure 3, magnet retainer 80 has the first recess portion being recessed from the periphery of sliding part 81a towards radially inner side
81c.In Fig. 3, the first recess portion 81c is recessed from the upper end of sliding part 81a to downside.The medial surface of first recess portion 81c includes
Along axial direction Y opposed pairs face.
Magnet retainer 80 has the second recess portion 80a being recessed from the end of the front side of magnet retainer 80 to rear side.The
Two recess portion 80a extend to supported portion 81b from sliding part 81a.As shown in Fig. 2, the second recess portion 80a when from front side in
Round centered on central axis J.As shown in figure 3, the internal diameter of the second recess portion 80a is bigger than by the internal diameter of bearing recess portion 80b.
Magnet retainer 80 for example can be made of resin, be also possible to made of metal.In magnet retainer
80 be that the manufacture of magnet retainer 80 can be made to become easy in the case where being formed from a resin.Further, it is possible to reduce magnet holding
The manufacturing cost of frame 80.In the case where magnet retainer 80 is to be made of metal, the size of magnet retainer 80 can be improved
Precision.
As shown in Fig. 2, magnet 50 is in substantially rectangular parallelepiped.The upper surface of magnet 50 e.g. circumferentially bends to circular arc
The face of shape.As shown in figure 3, magnet 50 is accommodated in the first recess portion 81c, and it is fixed on retainer main part 81.Magnet 50 as a result,
It is fixed on magnet retainer 80.Magnet 50 is for example fixed by bonding agent.The radial outer side of magnet 50 is for example positioned at than cunning
The outer peripheral surface of dynamic portion 81a leans on the position of radially inner side.The radial outer side of magnet 50 radially across gap and and entrance hole
The inner peripheral surface of portion 23b is opposed.
As described above, the sliding part 81a for being provided with the first recess portion 81c slides one relative to the inner peripheral surface of sliding valve hole 23 on one side
Side is mobile.Therefore, the outer peripheral surface of sliding part 81a is opposed with the inner circumferential face contact of sliding valve hole 23 or across small gap.By
This, the foreign matters such as sheet metal for including in oil are not easily accessed in the first recess portion 81c.Therefore, it is able to suppress the metal for including in oil
The foreign matters such as piece are attached to the magnet 50 being accommodated in the first recess portion 81c.In the case where magnet retainer 80 is to be made of metal,
Due to can be improved the dimensional accuracy of sliding part 81a, the foreign matters such as sheet metal for including in oil are more difficult recessed into first
In portion 81c.
As shown in Fig. 2, the plate that fixation member 71 is parallel with left and right directions X in plate face.Fixation member 71 has extension
71a and buckling portion 71b.Z extends extension 71a along the vertical direction.Extension 71a is when from front side in Z in above-below direction
Upper longer rectangle.As shown in figures 1 and 3, extension 71a is inserted in via through hole 22b imports in hole portion 23b
Portion.The upper end of extension 71a is inserted in through hole 22a.Extension 71a will import the one of the opening of the front side of hole portion 23b
Part seals.Lateroflexion is bent forward from the end of the downside of extension 71a by buckling portion 71b.Buckling portion 71b is inserted in through hole 22c
In.Fixation member 71 is configured in the front side of elastomeric element 70.
In the present embodiment, before being overlapped portion of upper body 22 with lower body 21, fixation member 71 is via through hole 22b
Through hole 22a is inserted into the opening portion for importing hole portion 23b and the through hole 22b from the lower surface upper opening in portion of upper body 22.
Also, as shown in Figure 1, by making portion of upper body 22 with lower body 21, Z is laminated and is combined along the vertical direction, and by lower body
21 upper surface supports the buckling portion 71b being inserted in through hole 22c from downside.Thereby, it is possible to by fixation member 71
It is installed on oil circuit body 20.
As shown in figure 3, elastomeric element 70 is the coil spring extended along axial Y.The configuration of elastomeric element 70 is kept in magnet
The front side of frame 80.In the present embodiment, at least part of elastomeric element 70 configures in the second recess portion 80a.Therefore, can
Keep at least part of elastomeric element 70 Chong Die with magnet retainer 80 radially, is easy to make on the axial Y of valve gear 10
It is compact in size.In the present embodiment, the rear side of elastomeric element 70 is partly arranged in the second recess portion 80a.
The end of the rear side of elastomeric element 70 is contacted with the bottom surface of the second recess portion 80a.The end of the front side of elastomeric element 70
It is contacted with fixation member 71.The end fixed part 71 of the front side of elastomeric element 70 supports as a result,.Fixation member 71 is from elasticity
Component 70 is pressed by the elastic force towards front side, extension 71a to the medial surface of the front side of through hole 22a, 22b.
Due to elastomeric element 70 front side overhang bracket in fixation member 71, thus elastomeric element 70 is kept via magnet
Frame 80 applies the elastic force towards rear side to slide valve 30.Thus, for example, the position on the axial Y of slide valve 30 can be maintained
The power applied by driving devices such as the oil pressure of oil or solenoid actuators and bullet apply to the end of the rear side of slide valve 30
On the position of the elastic dynamic balance of property component 70.As a result, by making the power of the end for the rear side for being applied to slide valve 30 change,
The position on the axial Y of slide valve 30 can be made to change, allow hand over the opening and closing of the oil circuit 10a inside oil circuit body 20.
Also, by the end of the elastic force of elastomeric element 70 and the rear side to slide valve 30 apply by oil oil pressure or
The power that the driving devices such as solenoid actuator are applied can be such that magnet retainer 80 and slide valve 30 compresses along axial Y.Therefore,
Allow magnet retainer 80 relative to slide valve 30 around central axis relative rotation, and magnet retainer 80 is along with slide valve 30
Movement on axial Y and moved along axial Y.
Sensor module 40 has shell 42 and Magnetic Sensor 41.Shell 42 stores Magnetic Sensor 41.As shown in Figure 1, shell
Body 42 is for example in cuboid box-like flat on Z in above-below direction.Shell 42 is fixed on flat in the upper surface of portion of upper body 22
Face, the flat surface are located at the rear side for being provided with the semicircular arc-shaped curved surface of through hole 22a.
As shown in figure 3, Magnetic Sensor 41 is fixed on the bottom surface of shell 42 in the inside of shell 42.Magnetic Sensor 41 as a result,
Oil circuit body 20 is installed on via shell 42.The magnetic field of the detection magnet 50 of Magnetic Sensor 41.Magnetic Sensor 41 is, for example, Hall member
Part.In addition, Magnetic Sensor 41 is also possible to magnetoresistive element.
When the position on the axial Y of magnet 50 changes along with slide valve 30 along axial moving for Y, passes through magnetic and pass
The magnetic field of the magnet 50 of sensor 41 changes.Therefore, by detecting the variation in the magnetic field of magnet 50, energy by Magnetic Sensor 41
Position on enough axial Y of detection magnet 50, i.e. position on the axial Y of magnet retainer 80.As described above, magnet retainer
80 move along axial moving for Y along axial Y along with slide valve 30.Therefore, on the axial Y by detecting magnet retainer 80
Position is able to detect the position on the axial Y of slide valve 30.
Z is Chong Die along the vertical direction with magnet 50 for Magnetic Sensor 41.That is, at least part of magnet 50 and 41 edge of Magnetic Sensor
The direction overlapping parallel with up and down direction Z in radial direction.Therefore, it is easy to detect the magnetic field of magnet 50 by Magnetic Sensor 41.
Therefore, magnet retainer 80 can be more precisely detected by sensor module 40 along the displacement of axial Y, i.e. 30 edge of slide valve
The displacement of axial Y.
In addition, in the present specification, about " at least part of magnet is Chong Die with Magnetic Sensor radially ", as long as
On at least part of position in the range of the slide valve for being directly fixed with magnet is axially moveable, at least part of magnet
It is Chong Die with Magnetic Sensor radially.That is, for example being moved from the position of Fig. 3 along axial Y in slide valve 30 and magnet retainer 80
When position, magnet 50 can also be with not be overlapped with Magnetic Sensor 41 on Z in above-below direction.In the present embodiment, as long as in slide valve 30
Along the range moved along axial direction Y, on arbitrary position on a part of magnet 50 all in above-below direction Z with 41 weight of Magnetic Sensor
It is folded.
Valve gear 10 also has rotation prevention portion.Rotation prevention portion is the part that can be contacted with magnet retainer 80.In this embodiment party
In formula, rotation prevention portion is the medial surface 24a of groove portion 24.That is, opposed portion 82 in the circumferential with 24a pairs of medial surface as rotation prevention portion
It sets, and can be contacted with medial surface 24a.
Therefore, according to the present embodiment, for example, opposed portion 82 around central axis J rotate in the case where, opposed portion 82 with
Medial surface 24a as rotation prevention portion is contacted.Inhibit the rotation of opposed portion 82 by medial surface 24a as a result, magnet is inhibited to keep
Frame 80 is rotated around central axis J.Therefore, it is able to suppress and is fixed on the position of the magnet 50 of magnet retainer 80 and circumferentially offsets.
Therefore, in the case where the position on the axial Y of slide valve 30 is there is no changing, even if being rotated in slide valve 30 around central axis J
In the case where, the location information being also able to suppress on the axial Y of the magnet 50 detected of Magnetic Sensor 41 changes.As a result,
The location information for being able to suppress slide valve 30 changes, and can be improved the precision of the position on the axial Y for grasping slide valve 30.
Also, according to the present embodiment, rotation prevention portion is the medial surface 24a of groove portion 24.It therefore, there is no need to prepare seperated component
As rotation prevention portion, the number of components of valve gear 10 can be cut down.Thereby, it is possible to effort needed for reducing the assembling of valve gear 10 and
The manufacturing cost of valve gear 10.
When assembling the valve gear 10 of present embodiment, operator is inserted into slide valve 30 first into sliding valve hole 23 and magnet is protected
Hold frame 80.At this point, the opposed portion 82 of magnet retainer 80 is inserted in groove portion 24 by operator.Operator inserts by elastomeric element 70
It after entering the second recess portion 80a, is inserted in fixation member 71 in through hole 22a, 22b, and presses elastomeric element 70 from front side.So
Afterwards, operator makes the upper side superimposed of portion of upper body 22 Yu lower body 21.In this way, operator assembles valve gear 10.
< second embodiment >
As shown in figure 5, the portion of upper body 122 of oil circuit body 120 has from portion of upper body in the valve gear 110 of present embodiment
The reception hole 124 towards upside recess of 122 downside.Z extends reception hole 124 along the vertical direction.The upper end of reception hole 124
With on the upper end of sliding part 181a in above-below direction Z be in roughly the same position.Reception hole 124 hangs down with up and down direction Z
Straight cross sectional shape is in rounded shape.Reception hole 124 is connect with hole portion 23b is imported.In more detail, opposed portion 181d and entrance hole
The gap of the inner peripheral surface of portion 23b radially is connect with reception hole 124.
As shown in fig. 6, sliding part 181a is in that will justify along up and down direction Z in the magnet retainer 180 of present embodiment
Cut away such shape in the end of the left and right directions side of column.Sliding part 181a has as the radial direction with central axis J as a result,
The opposed portion 181d of vertical flat surface.That is, magnet retainer 180 has opposed portion 181d.
Opposed portion 181d extends to the end of the rear side of sliding part 181a from the end of the front side of sliding part 181a.Opposed portion
181d is located at the position that the outer peripheral surface than the sliding part 181a in the part other than opposed portion 181d leans on radially inner side.Opposed portion
181d is longer rectangular face on Z in above-below direction.Opposed portion 181d and import hole portion 23b inner peripheral surface radially every
Gap it is opposed.
In the present embodiment, rotation prevention portion 160 is the cylindrical part of the component separated with oil circuit body 120.Rotation prevention portion 160 is in
What Z extended along the vertical direction is cylindric.As shown in figure 5, rotation prevention portion 160 is accommodated in reception hole 124 and is installed on oil circuit body
120.The outer diameter of rotation prevention portion 160 is roughly the same with the internal diameter of reception hole 124, and the internal diameter than reception hole 124 is slightly smaller.Rotation prevention portion 160
Such as it is inserted into the upper end of reception hole 124.It is imported in hole portion 23b as described above, reception hole 124 is connected to.Therefore, it is inserted in
A part of rotation prevention portion 160 in reception hole 124, which is located at, to be imported in hole portion 23b.That is, at least part of rotation prevention portion 160 configures
In sliding valve hole 23.
Rotation prevention portion 160 and opposed portion 181d are circumferentially opposed.Rotation prevention portion 160 can be in contact with each other with opposed portion 181d.That is,
Opposed portion 181d is opposed along the circumferential direction of central axis J with rotation prevention portion 160, and can contact with rotation prevention portion 160.
Therefore, according to the present embodiment, such as in the case where opposed portion 181d is rotated around central axis J, opposed portion
181d is contacted with rotation prevention portion 160.Inhibit the rotation of opposed portion 181d by rotation prevention portion 160 as a result, inhibits magnet retainer
180 rotate around central axis J.Therefore, it is able to suppress and is fixed on the position of the magnet 50 of magnet retainer 180 and circumferentially offsets.
Therefore, same as first embodiment, it can be improved the precision of the position on the axial Y for grasping slide valve 30.In addition, in Fig. 5 and
In Fig. 6, opposed portion 181d in the range of the upper end from opposed portion 181d is to the lower end of opposed portion 181d with rotation prevention portion 160
Line contact.
Also, according to the present embodiment, opposed portion 181d is the flat face vertical with the radial direction of central axis J.Therefore,
By the processing for implementing to cut away a part of columned magnet retainer 180, opposed portion 181d can be easily made.
In the present embodiment, rotation prevention portion 160 is accommodated in reception hole in a manner of it can rotate around the axis of rotation prevention portion 160
In 124.Therefore, by moving magnet retainer 180 along axial Y, and receiving the rotation prevention portion contacted with opposed portion 181d 160
The interior axis around rotation prevention portion 160 in hole 124 of receiving rotates.Thereby, it is possible to inhibit opposed portion 181d and rotation prevention portion 160 to rub, can press down
Movement on the axial Y of magnet retainer 180 and slide valve 30 processed is obstructed.
In the present embodiment, before being overlapped portion of upper body 122 with lower body 21, rotation prevention portion 160 is from portion of upper body 122
The opening portion of reception hole 124 of lower surface upper opening be inserted in reception hole 124.Also, as shown in figure 5, by making top
Z is laminated and is combined body 122 along the vertical direction with lower body 21, and by the upper surface of lower body 21 from downside to being accommodated in
The lower end of rotation prevention portion 160 in reception hole 124 is supported.Thereby, it is possible to rotation prevention portion 160 is maintained in reception hole 124.
When rotation prevention portion 160 to be inserted in reception hole 124, operator for example can also be in the outer peripheral surface of rotation prevention portion 160
Rotation prevention portion 160, is then inserted in reception hole 124 by upper coating lubricating grease.Thereby, it is possible to inhibit make portion of upper body 122 under
Rotation prevention portion 160 falls off from reception hole 124 before portion's body 21 is overlapped.
The utility model is not limited to above-mentioned each embodiment, can also be using other structures.Knot about opposed portion
Structure is not particularly limited as long as opposed with rotation prevention portion in the circumferential and can contact with rotation prevention portion.About opposed portion, from
The shape of front side opposed portion can be the protruding portion of multilateral shape, can be curved surface, be also possible to portion of the outer diameter than surrounding
Divide small part.In this second embodiment, opposed portion also can be set multiple.In this case, divide as with oil circuit body
The rotation prevention portion for the component opened also can be set multiple.Also, in this case, for example, can also clip central axis J with
The part setting of the sliding part 181a of the opposed portion 181d opposite side of above-mentioned second embodiment is identical with opposed portion 181d
Flat surface.
Also, such as magnet retainer is integrally also possible to polygon column.In this case, in the side of magnet retainer
At least one be equivalent to opposed portion.About the structure of rotation prevention portion, as long as can be contacted with opposed portion and inhibit magnet retainer
Rotation, be just not particularly limited.The outer diameter of magnet retainer can also be identical on entire axial direction Y.
Also, the structure of magnet is not particularly limited.Magnet for example can also be annular in shape, and embedding with magnet retainer
It closes.Magnet is also possible to combine multiple magnet and constitute.As long as also, the magnetic of magnet can be detected by Magnetic Sensor
, Magnetic Sensor can not also be radially be overlapped with magnet.
Also, in above-mentioned each embodiment, sliding valve hole uses the structure for being set to portion of upper body, but not limited to this.It is sliding
Valve opening also can be set in lower body.It can also be not provided with partition.Oil circuit body can also be without separating into portion of upper body and lower body.And
And the axial direction that extends of central axis J can not be vertical with up and down direction Z but intersect, can also be parallel with up and down direction Z.
Also, oil circuit body also can have oil circuit phosphor bodies and the sensor as the component separated with oil circuit phosphor bodies is pacified
Component is filled, which is installed on oil circuit phosphor bodies.Magnetic Sensor 41 is installed on sensor mounting block.It passes
Sensor installing component is, for example, the part of the front side for being fixed with sensor module 40 in above-mentioned portion of upper body 22,122.On that is,
The part of the front side for the portion of upper body 22,122 stated also is configured to separate component and be installed on oil circuit phosphor bodies.In the structure
In, oil circuit phosphor bodies have part and lower body 21 other than the sensor mounting block in portion of upper body 22,122.In the knot
In structure, sliding valve hole 23 is arranged to across oil circuit phosphor bodies and sensor mounting block.In this case, hole portion 23b is imported to set
It is placed in sensor mounting block.Therefore, magnetic is stored in the inside of the part for being set to sensor mounting block in sliding valve hole 23
Iron retainer 80,180.According to this structure, storage magnet guarantor can easily only be changed by replacing sensor mounting block
Hold the structure of the importing hole portion 23b of frame 80,180.
Also, the purposes of the valve gear of above-mentioned each embodiment is not particularly limited, and can also be equipped on other than vehicle
Device.Also, above-mentioned each structure can be appropriately combined in mutual reconcilable range.
Claims (8)
1. a kind of valve gear, includes
Oil circuit body, in the internal oil circuit with fuel feeding flowing；And
Slide valve is installed on the oil circuit body, configures along the central axis extended in the axial direction,
The valve gear is characterized in that the valve gear includes
Magnet retainer is configured at the axial side of the slide valve, is supported by the slide valve；
Magnet is fixed on the magnet retainer；
Magnetic Sensor is installed on the oil circuit body, detects the magnetic field of the magnet；And
Rotation prevention portion can be contacted with the magnet retainer,
The oil circuit body has the sliding valve hole axially extended,
In the sliding valve hole, the slide valve and the magnet retainer are configured to be axially moveable,
Allow the slide valve and the magnet retainer each other around the central axis relative rotation,
The magnet retainer has opposed portion, and the opposed portion is along with slide valve movement in the axial direction and along axial shifting
It is dynamic and opposed with the rotation prevention portion in the circumferential direction of the central axis, it can be contacted with the rotation prevention portion.
2. valve gear according to claim 1, which is characterized in that
The magnet retainer has retainer main part of the configuration in the sliding valve hole,
The rotation prevention portion is the medial surface for the groove portion for being recessed and axially extending towards radial outside from the inner circumferential of the sliding valve hole,
The opposed portion is prominent from the retainer main part to radial outside, chimeric with the groove portion.
3. valve gear according to claim 1, which is characterized in that
The rotation prevention portion is cylindrical part of at least part configuration in the sliding valve hole, and the opposed portion is and the center
The vertical flat face of the radial direction of axis.
4. valve gear according to claim 3, which is characterized in that
It is axial to intersect with up and down direction,
The oil circuit body includes
Lower body；And
It overlaps on the upside of portion of upper body, with the lower body,
The sliding valve hole is set to the portion of upper body,
The portion of upper body has the reception hole being recessed towards upside from the downside of the portion of upper body,
The rotation prevention portion is cylindrical, is accommodated in the reception hole in a manner of it can rotate.
5. according to claim 1 to valve gear described in any one in 4, which is characterized in that
The magnet retainer includes
Sliding part can be axially moveable while the inner peripheral surface relative to the sliding valve hole slides；And
First recess portion is recessed from the periphery of the sliding part towards radially inner side,
The magnet is accommodated in first recess portion.
6. according to claim 1 to valve gear described in any one in 4, which is characterized in that the valve gear also includes
Elastomeric element is configured in the axial side of the magnet retainer；And
Fixation member is configured in the axial side of the elastomeric element,
The sliding valve hole at least in an axial side opening,
The end of the axial side of the elastomeric element is contacted with the fixation member,
The elastomeric element applies the elastic force towards the axial other side via the magnet retainer to the slide valve.
7. valve gear according to claim 6, which is characterized in that
The elastomeric element is coil spring,
The magnet retainer has end the second recess portion that the other side is recessed in the axial direction from axial side,
At least part of the elastomeric element configures in second recess portion.
8. according to claim 1 to valve gear described in any one in 4, which is characterized in that
The oil circuit body includes
Oil circuit phosphor bodies；And
Sensor mounting block is the component separated with the oil circuit phosphor bodies, is installed on the oil circuit phosphor bodies,
The Magnetic Sensor is installed on the sensor mounting block,
The sliding valve hole is arranged across the oil circuit phosphor bodies and the sensor mounting block,
Store the magnet retainer in the inside of the part for being set to the sensor mounting block in the sliding valve hole.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017117800A JP2019002491A (en) | 2017-06-15 | 2017-06-15 | Valve device |
| JP2017-117800 | 2017-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208442314U true CN208442314U (en) | 2019-01-29 |
Family
ID=65007842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820913292.1U Expired - Fee Related CN208442314U (en) | 2017-06-15 | 2018-06-13 | Valve gear |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2019002491A (en) |
| CN (1) | CN208442314U (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7039969B2 (en) * | 2017-11-30 | 2022-03-23 | 日本電産トーソク株式会社 | Valve device |
| JP7294650B2 (en) * | 2019-07-31 | 2023-06-20 | 株式会社テイエルブイ | CLEANING DEVICE AND VALVE DEVICE INCLUDING THE SAME |
| WO2021019926A1 (en) * | 2019-07-31 | 2021-02-04 | 株式会社テイエルブイ | Cleaning device and valve device equipped with same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050011556A1 (en) * | 2003-06-17 | 2005-01-20 | Mariusz Dudzik | Spool position detection for a hydraulic valve |
| JP6407557B2 (en) * | 2014-05-12 | 2018-10-17 | 日本電産トーソク株式会社 | Control valve device |
-
2017
- 2017-06-15 JP JP2017117800A patent/JP2019002491A/en active Pending
-
2018
- 2018-06-13 CN CN201820913292.1U patent/CN208442314U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019002491A (en) | 2019-01-10 |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190129 |
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| CF01 | Termination of patent right due to non-payment of annual fee |