CN106558443B - Rotary electrical unit - Google Patents
Rotary electrical unit Download PDFInfo
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- CN106558443B CN106558443B CN201610796151.1A CN201610796151A CN106558443B CN 106558443 B CN106558443 B CN 106558443B CN 201610796151 A CN201610796151 A CN 201610796151A CN 106558443 B CN106558443 B CN 106558443B
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- Prior art keywords
- shaft component
- component
- bearing
- segment difference
- electrical unit
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H25/00—Switches with compound movement of handle or other operating part
- H01H25/06—Operating part movable both angularly and rectilinearly, the rectilinear movement being along the axis of angular movement
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- Switches With Compound Operations (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The present invention provide it is a kind of can inhibit release the pressing operation of shaft component is returned to original state when the sound that generates improve the rotary electrical unit of quality.For this purpose, having：Prevent the anti-dropout component that shaft component falls off from bearing components；Detect the rotary detecting circuit of the spinning movement of shaft component；Be set to shaft component lower section and with shaft component to the pressing operation of axis direction and driven button switch, bearing components have：It rotatably guides the 2nd bearing portion of shaft component and is formed as the receiving portion bigger than the 2nd bearing portion in the lower part of the 2nd bearing portion, the carrier with flat surface is provided at the top of receiving portion, anti-dropout component is configured at receiving portion and with, with the opposed plate-like portion of the mode that can be abutted, lubricant being provided between carrier and plate-like portion with carrier.
Description
Technical field
The present invention relates to the rotary electrical units of the various inputs suitable for electronic equipment etc..
Background technology
In the past, it is known that detect the rotary electrical unit to the rotation process amount of operating shaft.Especially it is built-in with detection pair
The rotary electrical unit of the button switch of the pressing operation of operating shaft is suitable as the temperature of the air-conditioning for example for carrying out automobile
The rotary coder of the adjustment of the volume of degree, sound equipment etc..
The rotary electrical unit for being built-in with button switch is for example disclosed in patent document 1.Figure 11 is to indicate existing
Rotary electrical unit 900 exploded perspective view.Figure 12 is the sectional view for indicating existing rotary electrical unit 900.Behaviour
It is, for example, made of metal to make axis 902, and lower end becomes the driving body fastener 902A for being embedded in driving body 906.In addition, in driving body
The part against the top slightly of fastener 902A forms anti-dropout recess portion.Top built-up shaft of the main body 930 in insulation shell 904
Bearing member 903 and constitute, inside have rotary body incorporating section 904B.Bearing components 903 are for example formed by aluminium diecasting, are formed
For cylindrical shape.Path cylindrical portion 903A and major diameter cylindrical portion 903B are formd on bearing components 903.In rotary body incorporating section
In 904B, rotary body 905 has been arranged in a rotatable way.Rotary body 905 is for example formed by resin material, is formed as hollow
It is discoid.Operating shaft 902 is embedded in path cylindrical portion 903A with insert state, and annular element 910 is embedded into anti-dropout recess portion,
Thus, it is possible to prevent operating shaft 902 from falling off in the lower edge of path cylindrical portion 903A.The driving body 906 if rotation process axis 902
Also it rotates, via driving body 906 to which rotary body 905 is rotated.The top of rotary body 905 is chimeric together with driving body 906
In major diameter cylindrical portion 903B, rotary body 905 is guided to be rotated by major diameter cylindrical portion 903B internal faces.In insulation shell 904
On, bury 1 pair of fixed contact component, 911,912 and 3 self-cleaning contact components 913,914,915.Rubber parts 909 is by rubber material
Material is formed, and flexible deformation can occur downwards if depressed, and press section 909B presses travelling contact component 916.
1 pair of fixed contact component 911,912 becomes via travelling contact component 916 to be connected, is non-conduction, is opened to constitute
Close unit.The contact site of self-cleaning contact component 913,914,915 and it is set to rotary body 905 if rotary body 905 is rotated
Lower surface conductive pattern contact/separation, to self-cleaning contact component 913,914,915 portion of terminal between become conducting, it is non-
Conducting, output pulse signal.
To enable carrying out the pressing operation and rotation process to operating shaft 902, the top of operating shaft 902 is propped up
It supports in the front end of bearing components 903, lower part is supported in bearing components indirectly across driving body 906 and rotary body 905
903。
Citation
Patent document
Patent document 1：JP Tetsukai 2011-210507 bulletins
Invention content
The subject that the invention solves
But relieve operating shaft (shaft component) to axis direction pressing operation when, shaft component reverts to initially
State, being installed on the anti-dropout annular element of shaft component can abut with bearing components, to make a sound, keep quality impaired.It is special
It is not in the case where bearing components and anti-dropout are made of with annular element metal material, the abutting sound is very big.
The present invention can inhibit releasing the pressing to shaft component for solving the above subject its purpose is to provide a kind of
It operates and reverts to the sound that is generated when original state to improve the rotary electrical unit of quality.
Means for solving the problems
The rotary electrical unit of the present invention has：Bearing components, with cylindrical portion；Shaft component is revolvably protected
It is held in the bearing components；Anti-dropout component is fixed on the lower part of the shaft component, prevents the shaft component de- from the bearing components
It falls；Rotary detecting circuit detects the spinning movement of the shaft component；And button switch, it is set under the shaft component
Side is driven with the shaft component to the pressing operation of axis direction, and the rotary electrical unit is characterized in that, institute
Stating bearing components has the bearing portion for revolvably guiding the shaft component and is formed as than the bearing in the lower part of the bearing portion
The big receiving portion in portion, is provided with the carrier with flat surface at the top of described accommodation section, and the anti-dropout component is configured at
Described accommodation section and with the carrier with the opposed plate-like portion of the mode that can be abutted, the carrier with it is described
Lubricant is provided between plate-like portion.
According to this constitution, between the carrier and the plate-like portion of anti-dropout component of bearing components, due to being provided with lubrication
Agent, therefore can reduce and release shaft component and returned to original state, plate-like portion and carrier to the pressing operation of axis direction
Sound when abutting.
In addition, the rotary electrical unit of the present invention is characterized in that the anti-dropout component is made of metal material, and
Have the cricoid plate-like portion and is connected to form and can engage with the shaft component more with the inner edge side of the plate-like portion
A snap-latch piece.
According to this constitution, can be reliable and shaft component easily be installed on anti-dropout component.
In addition, the rotary electrical unit of the present invention is characterized in that the shaft component has：Axle portion is engaged, under
End side engages with the snap-latch piece of the anti-dropout component；And limiting unit, it is abutted with the upside of the plate-like portion, it is described
Anti-dropout component is fixed in the shaft component in the state that plate-like portion is abutted with the limiting unit.
According to this constitution, the installation site due to anti-dropout component relative to shaft component is fixed, axis structure can be inhibited
Deviation of the part from bearing components amount outstanding.
In addition, in the rotary electrical unit of the present invention, preferably in the carrier, from opposed with the plate-like portion
The flat surface is provided with recess portion upward recessedly, and the lubricant is maintained in the recess portion.
According to this constitution, due to foring recess portion in carrier, can prevent from making anti-dropout structure due to lubricant
Part is pasted on the case where flat surface of carrier.Furthermore it is possible to which recess portion to be used as to the storage unit of lubricant.
In addition, the present invention rotary electrical unit in, the preferably described recess portion do not carry out to the shaft component by
Under the original state of press operation, covered by the plate-like portion.
According to this constitution, due to keeping the recess portion of lubricant to be covered in the initial state by plate-like portion, can reduce
Lubricant can chronically keep lubricant from the outflow of recess portion, to carry out the inhibition of sound.
In addition, in the rotary electrical unit of the present invention, the inner surface preferably in the cylindrical portion, in front end and institute
The position between receiving portion is stated, segment difference section is set, which is formed as compared to described accommodation section side in the front end side
Size bigger on the direction orthogonal with the Pivot axle of the shaft component, in the shaft component, setting can be inserted into institute
It states the thin axle portion of the lower side of segment difference section and the front end side of the cylindrical portion and thicker than the thin axle portion can be inserted into
Thick axle portion, and the abutting part opposed with the segment difference section is formed between the thin axle portion and the thick axle portion, described
It is provided with lubricant between segment difference section and the abutting part, in shaft component operation depressed along the axis direction,
The abutting part is abutted with the segment difference section.
According to this constitution, when shaft component receives pressing operation, the abutting part of shaft component encounters segment difference section to axis structure
When the mobile stopping of part, though abutting sound is will produce, by the way that lubricant is arranged between segment difference section and abutting part, so as to
Reduce the abutting sound.Further, since segment difference section and abutting part can be set to the position that the front end in shape portion of conforming to the principle of simplicity is left
It sets, therefore lubricant is not easy to flow out to outside.
Invention effect
According to the present invention, the bearing components with cylindrical portion are with the rotatably bearing portion of guiding shaft component and at this
The lower part of bearing portion is formed as the receiving portion bigger than the bearing portion, and the undertaking with flat surface is provided at the top of receiving portion
Portion.Anti-dropout component is configured at receiving portion and with, with the opposed plate-like portion of the mode that can be abutted, being accepted with carrier
Lubricant is provided between portion and plate-like portion.Thereby, it is possible to reduce the pressing operation for releasing shaft component to axis direction to plate
Sound when shape portion is abutted with carrier.Therefore, it is possible to providing a kind of can inhibit releasing to the pressing operation of shaft component
The sound generated when returning to original state improves the rotary electrical unit of quality.
Description of the drawings
Fig. 1 is the stereogram for the rotary electrical unit for indicating the 1st embodiment of the present invention.
Fig. 2 is the exploded perspective view of the rotary electrical unit of the 1st embodiment from oblique upper.
Fig. 3 is the exploded perspective view of the rotary electrical unit of the 1st embodiment from obliquely downward.
Fig. 4 is the front view for the rotary electrical unit for indicating the 1st embodiment.
Fig. 5 is the sectional view cut off by the V-V lines of Fig. 4.
Fig. 6 is to indicate in section identical with Fig. 5 shaft component to the section of the state of the depressed operation of axis direction
Figure.
Fig. 7 is the outside drawing for indicating bearing components, and Fig. 7 (a) is vertical view, and Fig. 7 (b) is upward view.
Fig. 8 is the outside drawing for indicating shaft component, and Fig. 8 (a) is side view, and Fig. 8 (b) is upward view.
Fig. 9 is the outside drawing for indicating anti-dropout component, and Fig. 9 (a) is vertical view, and Fig. 9 (b) is front view.
Figure 10 is the sectional view cut off by the X-X lines of Fig. 4.
Figure 11 is the exploded perspective view for indicating existing rotary electrical unit.
Figure 12 is the sectional view for indicating existing rotary electrical unit.
Specific implementation mode
Hereinafter, using the attached drawing embodiment that the present invention will be described in detail.In addition, for easy understanding, attached drawing suitably becomes
More size.
[the 1st embodiment]
Fig. 1 is the stereogram for the rotary electrical unit 1 for indicating the 1st embodiment of the present invention.Fig. 2 is seen from oblique upper
Examine the exploded perspective view of rotary electrical unit 1.Fig. 3 is the exploded perspective view of the rotary electrical unit 1 from obliquely downward.Figure
4 be the front view for indicating rotary electrical unit 1.Fig. 5 is the sectional view cut off by the V-V lines of Fig. 4.Fig. 6 be indicate with Fig. 5
Sectional view of the shaft component 10 to the state of the depressed operation in the directions axis 10a in identical section.Fig. 7 is to indicate bearing components
20 outside drawing, Fig. 7 (a) are vertical views, and Fig. 7 (b) is upward view.Fig. 8 is the outside drawing for indicating shaft component 10, and Fig. 8 (a) is side
View, Fig. 8 (b) are upward views.Fig. 9 is the outside drawing for indicating anti-dropout component 16, and Fig. 9 (a) is vertical view, and Fig. 9 (b) is main view
Figure.Figure 10 is the sectional view cut off by the X-X lines of Fig. 4.
The rotary electrical unit 1 of the 1st embodiment of the present invention as shown in fig. 1~fig. 5, has shaft component 10, bearing
Component 20, rotary detecting circuit 30 and button switch 40, are assembled in housing member 50.In addition, in the present specification, in order to make
The following description is readily appreciated that, the sides Z1 of Fig. 1 are set as top, and the sides Z2 are set as lower section.
Shaft component 10 is made of metal materials such as aluminium, such as is made up of machining, with circular cross section shape
1st axle portion 11 and the 2nd axle portion 12 and the operation portion 13 for being formed as the shape than 11 bigger of the 1st axle portion.Such as Fig. 2 and Fig. 3 institutes
Showing, it is thicker that shaft component 10 is formed as the upper side on the directions axis 10a of shaft component 10, in the present embodiment, the 1st axle portion 11
12 thick thick axle portion 10e of the 2nd axle portion of composition ratio, the 2nd axle portion 12 constitute thin axle portion 10d.In thin axle portion 10d and thick axle portion 10e
Between, as shown in figure 3, foring abutting part 10f due to segment difference.Abutting part 10f has orthogonal with axis 10a flat
Face.In addition, in the lower end side of shaft component 10, the holding section 14 of non-circular shape is formd.Moreover, shaft component 10 is in the 2nd axle portion
Between 12 and holding section 14, there is engaging axle portion 10b and limiting unit 10c.In addition, engaging axle portion 10b is formed as round.This
Outside, limiting unit 10c is formed in the flat face orthogonal with axis 10a.
Bearing components 20 are made of metal, such as are made of zine pressure casting, as shown in Figure 1 to 4, have cylindrical portion 25 and set
It is placed in the flange part 26 of the rectangle of the lower side of the cylindrical portion 25.The bearing components 20 of present embodiment are as shown in Fig. 2, in tubular
The front end sides 25a in portion 25 are provided with the 1st bearing portion 21.In addition, as shown in Fig. 3 and Fig. 5, have compared to the 1st bearing portion
21 are located at the 2nd bearing portion 22 of lower part on the directions axis 10a of shaft component 10.Then, in the inner surface of cylindrical portion 25,
Position between 1 bearing portion 21 and the 2nd bearing portion 22, is provided with segment difference section 23, which is formed as compared to the 2nd bearing
Size of 22 side of portion on the direction orthogonal with the Pivot axle of shaft component 10 of 21 side of the 1st bearing portion is larger.Segment difference section 23
Upper surface becomes parallel face corresponding with the abutting part 10f of shaft component 10.Moreover, in bearing components 20, in the 2nd bearing portion 22
Lower part be provided with the receiving portion 27 for being formed as bigger than the 2nd bearing portion 22.The top 27a of the receiving portion 27 of present embodiment is flat
Ground is formed, and 27a is provided with the carrier 24 with flat surface 24a at the top of this.In the carrier 24 of present embodiment, such as Fig. 3
And shown in Fig. 5, from flat surface 24a it is upward recessed be provided with recess portion 24b.Present embodiment is set to carrier 24
Recess portion 24b such as Fig. 7 (b) is shown multiple (8).In addition, bearing components 20 have guide portion 20b, guide portion 20b compared to
2nd bearing portion 22 is located at lower section, keeps aftermentioned rotating member 31 in a rotatable way.In addition, in the rotation of shaft component 10
Mandrel is consistent with axis 10a.
Driving body 15 is obtained from being molded to synthetic resin.Driving body 15 is as shown in Fig. 2, be formed as shaft component 10
Holding section 14 carry out chimeric shape.In addition, driving body 15 has concaveconvex shape in periphery, and as shown in FIG. 2 and 3, tool
The standby shape on the directions axis 10a with 31 sliding contact of aftermentioned rotating member.Driving body 15 is set to be embedded in by being pressed into
The holding section 14 of shaft component 10, thus, it is possible to carry out desired action of the shaft component 10 relative to rotating member 31.
Anti-dropout component 16 is made of flexible metal material, as shown in Fig. 2, Fig. 3 and Fig. 9, is had cricoid
The plate-like portion 16a and multiple snap-latch piece 16b being connected to form with the inner edge side of plate-like portion 16a.Anti-dropout component 16 is in cricoid plate
In the state that shape portion 16a is abutted with the limiting unit 10c of shaft component 10, the engaging of flexible snap-latch piece 16b and shaft component 10
Axle portion 10b engagings, to be fixed on the lower end of shaft component 10.Thereby, it is possible to reliably and easily by anti-dropout component 16
It is installed on shaft component 10.
1st axle portion 11 of shaft component 10 and the 1st bearing portion 21 being capable of arranged opposite, the 2nd axle portions 12 and the 2nd in sliding contact ground
Bearing portion 22 can sliding contact it is arranged opposite, be rotatably supported at the 1st bearing portion 21 and the 2nd axis of bearing components 20
Bearing portion 22.In addition, as described later, shaft component 10 is supported for can be along axis 10a in 13 depressed operation of operation portion
It moves in direction.
Then, the lower end of shaft component 10 is located at the receiving portion 27 of bearing components 20, is embedded with driving body 15 and anticreep
Fall component 16.Thereby, it is possible to prevent shaft component 10 from being extracted out from bearing components 20, and when operation portion 13 is not affected by pressing operation
The original state that the carrier 24 of the plate-like portion 16a of the anti-dropout component 16 and top 27a of receiving portion 27 abuts can be remained.
Further, since anti-dropout component 16 is determined relative to the installation site of shaft component 10 by limiting unit 10c, therefore axis can be inhibited
Deviation of the component 10 from 20 amount outstanding of bearing components.
In addition, as shown in figs.5 and 6, lubricant 61 is provided between carrier 24 and plate-like portion 16a.Carrier
24 since with recess portion 24b, lubricant 61 is maintained in recess portion 24b.Furthermore it is possible to using recess portion 24b as lubricant 61
Storage unit utilize.In addition, between the 1st axle portion 11 and the 1st bearing portion 21 and the 2nd axle portion 12 and the 2nd bearing portion 22 it
Between, between segment difference section 23 and abutting part 10f be provided with lubricant 62.Lubricant 61 and lubricant 62 are preferably the profits such as lubricating grease
Lubricating oil.In addition, although not shown, but it is also provided with lubricant 61 in the guide portion 20b of receiving portion 27.In addition, lubricant 61 and profit
Lubrication prescription 62 has used identical lubricant.
Rotary detecting circuit 30 is used to detect the spinning movement of shaft component 10, has：It can be with the axis 10a of shaft component 10
Centered on and rotate rotating member 31, be fixed on rotating member 31 sliding part 32 and have fixed contact 33a, 34a, 35a
Conductive member 33,34,35.Rotating member 31 is made of synthetic resin material, and is formd and is passed through in the part for accommodating driving body 15
Through-hole.The through hole enables driving body 15 move when driving body 15 moves downwards, and has in driving body 15 with axis
The protrusion 31c for making rotating member 31 integrally be rotated with driving body 15 when being rotated centered on line 10a.Shaft component 10 as a result,
Spinning movement passes to rotating member 31 via driving body 15.Sliding part 32 is to be processed to obtain to the leaf spring of metal
's.In addition, being formed with jog 31b in the upper surface of rotating member 31.Then, metal spring member 36 is fixed in axis
Bearing member 20, enabling with jog 31b Elastic Contacts.
Conductive member 33,34,35 is obtained from being processed to the metallic plate of electric conductivity.Conductive member 33,34,35 is solid
Due to aftermentioned 1st housing member 51, fixed contact 33a, 34a, 35a of conductive member 33,34,35 along the circumferential direction partition
It sets.In addition, conductive member 33,34,35 has portion of terminal 33b, 34b, the 35b exposed from the 1st housing member 51 to outside.
Button switch 40 has travelling contact component 41, fixed contact component 42, supporting member 43 and elastic component 45.It can
Movable contact component 41 is made of the metallic plate of electric conductivity, as shown in FIG. 2 and 3, has travelling contact portion 41a and with can bullet
Property deformation mode support the support portion 41b of travelling contact portion 41a.Fixed contact component 42 is made of the metallic plate of electric conductivity,
It is fixed on aftermentioned 1st housing member 51, there is fixed contact portion 42a and portion of terminal 42b as switching fixed contact.Support
Component 43 is made of the metallic plate of electric conductivity, is fixed on aftermentioned 1st housing member 51, has the branch as public fixed contact
Support contact portion 43a and portion of terminal 43b.Elastic component 45 is, for example, that silicone rubber is shaped to dome-type component, in upper and lower
Upward elastically deformable.The elastic component 45 is the original state before making shaft component 10 be restored to pressing operation via driving body 15
Force application component (reset components).That is, the button switch 40 of present embodiment has as making shaft component 10 be restored to initial shape
The elastic component 45 of the reset components of state.In addition, according to the composition of travelling contact, travelling contact component can also had and resets
The function of component.
Housing member 50 is by keeping conductive member 33,34,35, fixed contact component 42 and supporting member 43
1st housing member 51 and the lid 53 that the 1st housing member 51 and bearing components 20 are integrally kept is constituted.
1st housing member 51 is made of the synthetic resin material with insulating properties, as shown in FIG. 2 and 3, with conduction
Component 33,34,35, fixed contact component 42 and supporting member 43 integrally insert-molding (insert molding).
Lid 53 is carried out obtained from Bending Processing to metallic plate.Lid 53 is bent over as the flange to bearing components 20
Portion 26 and the 1st housing member 51 are clamped.
Rotary electrical unit 1 can carry out the rotation process and pressing operation of shaft component 10.30 structure of rotary detecting circuit
As 3 contact portions and the conductive member 33,34,35 of the sliding part 32 by being installed on rotating member 31 fixed contact 33a,
34a, 35a carry out sliding contact, so as to detect the rotation of rotating member 31.Make rotation by the rotation process of shaft component 10
Turning the rotation of component 31, fixed contact 33a, 34a, 35a of conductive member 33,34,35 contact with the contact portion of sliding part 32/point
From to the conducting state switching between conductive member 33,34,35.As a result, the portion of terminal 33b of conductive member 33,34,35,
34b, 35b export signal corresponding with the sliding contact position of sliding part 32.In such manner, it is possible to pass through the change of the signal exported
Change to detect rotation process.At this point, spring member 36 is fixed in bearing components 20, with the jog 31b of rotating member 31 into
Row Elastic Contact.As a result, the required load accompanying rotation of the rotation of rotating member 31 and change.In addition, also can be by
The angular transducer of resistive element pattern has been used to constitute rotary detecting circuit 30.
On the other hand, button switch 40 is as shown in figure 5, the travelling contact portion 41a for being configured as travelling contact component 41 exists
It is not contacted with fixed contact portion 42a under original state.Supporting member 43 be configured at 42 discontiguous position of fixed contact component,
Support contact portion 43a supports the support portion 41b of travelling contact component 41.The lower part of the circular top part 45b of elastic component 45 configures
To be abutted with the support portion 41b of travelling contact component 41, the central portion 45a of elastic component 45 is as shown in figure 5, in the initial state
It is detached with travelling contact portion 41a.
Button switch 40 by pressing operation of the shaft component 10 to the directions axis 10a as shown in fig. 6, driven.From
In the case that original state shown in fig. 5 has carried out pressing operation to operation portion 13, as shown in fig. 6, the skirt of elastic component 45
The circular top part 45b of (end extension shape) buckles ground flexible deformation, the central portion 45a pressing travelling contact portion of elastic component 45
41a.The travelling contact portion 41a of travelling contact component 41 is contacted with the fixed contact portion 42a of fixed contact component 42 as a result,.This
Sample, the portion of terminal 42b of fixed contact component 42 and the portion of terminal 43b of supporting member 43 are connected via travelling contact component 41.
Therefore, it is possible to detect the pressing operation of shaft component 10.If in addition, being discharged from pressing operation state, as shown in figure 5, elastic structure
Part 45 returns to original state, and travelling contact portion 41a leaves from fixed contact portion 42a.It is returned to therefore, it is possible to detect
Non-pushed mode of operation.
Rotary electrical unit 1 is assembled in electronic equipment etc., is used for its various input.In addition, being installed on electronic equipment
The directions axis 10a Deng in the state of for example can also be horizontal direction.
Then, the characteristic of the rotary electrical unit 1 of present embodiment is described in detail.
In the rotary electrical unit 1 of present embodiment, shaft component 10 has：With the 1st bearing portion of bearing components 20
21 slidably contiguously the 1st axle portions 11 arranged opposite and slidably contiguously opposed with the 2nd bearing portion 22 of bearing components 20
2nd axle portion 12 of configuration.1st axle portion 11 and the 2nd axle portion 12 have circular section shape.2nd bearing of bearing components 20
Shown in the inner peripheral surface in portion 22 such as Fig. 7 (a), there is circular section shape.As shown in figs.5 and 6, the 2nd axle portion can be reduced
Gap between 12 and the 2nd bearing portion 22.On the other hand, the section shape of the inner surface of the 1st bearing portion 21 is in have multiple sides
Multilateral shape, more specifically, as shown in Fig. 2 and Fig. 7 (a), the section shape that is rounded of corner with octagon.
As a result, as shown in Figure 10, the 1st axle portion 11 is rotatably guided to multiple sides with the multilateral shape for constituting the 1st bearing portion 21
Corresponding part.
The section shape of the inner surface of the 1st bearing portion 21 in present embodiment is in the multilateral shape with multiple sides, is led to
The mold castings etc. for crossing die casting etc. are easy to get high-precision.Mold castings by die casting etc. etc. are to bearing components 20
The 1st bearing portion 21 and this 2 positions of the 2nd bearing portion 22 be carried out at the same time positive round processing be difficult, by by least one party's
1st bearing portion 21 is set as multilateral shape, so as to improve the dimensional accuracy of the 1st bearing portion 21 and the 2nd bearing portion 22.As a result,
The gap between the 1st axle portion 11 and the 1st bearing portion 21 can be reduced.On the other hand, between rotating member 31 and guide portion 20b
Gap is more than the gap between the 1st axle portion 11 and the 1st bearing portion 21 and the gap between the 2nd axle portion 12 and the 2nd bearing portion 22.
The spinning movement of the rotating member 31 in guide portion 20b does not interfere with shaft component 10 as a result, can be reliably by bearing components
20 the 1st bearing portion 21 and the 2nd bearing portion 22 rotatably guide shaft component 10.In addition, being configured at the appearance of bearing components 20
The state that each component in portion 27 of receiving is in fixation or is exerted a force by elastic force, not will produce shaking.
The rotary electrical unit 1 of present embodiment is straight by the 1st bearing portion 21 of bearing components 20 and the 2nd bearing portion 22
It connects and is rotatably supported shaft component 10, so between shaft component 10 and bearing components 20 and other structures are not present
Part can reduce the shaking of shaft component 10.In turn, by the way that the section shape of the 1st bearing portion 21 is set as multilateral shape, thus the
The gap between gap and the 2nd axle portion 12 and the 2nd bearing portion 22 between 1 axle portion 11 and the 1st bearing portion 21 reduces simultaneously, energy
Enough reduce the shaking of shaft component 10.In addition, in the rotary electrical unit 1 of present embodiment, the inner surface of the 2nd bearing portion 22
With circular section shape, circle is not limited to however, as long as being the shape for the spinning movement for not interfering the 2nd axle portion 12.
In addition, in the rotary electrical unit 1 of present embodiment, bearing components 20 support shaft component 10 as being capable of edge
Axis direction moves, at least between the 1st axle portion 11 and the 1st bearing portion 21 and between the 2nd axle portion 12 and the 2nd bearing portion 22,
It is provided with lubricant 62.Since the gap between the 2nd axle portion 12 and the 2nd bearing portion 22 is smaller, and it is provided with lubricant 62, because
Wanting to make shaft component 10, the mobile of Mobile Space-time gas can be hindered in the axial direction for this.Even if in this case, the 1st bearing
Gap between the corner and shaft component 10 of the multilateral shape in portion 21 is also larger.Therefore, it is possible to make the angle part of the 1st bearing portion 21
As the interconnecting part in the space between the 1st bearing portion 21 and the 2nd bearing portion 22.Therefore, even if in the 1st bearing portion 21 and the 1st
Lubricant 62 is set between axle portion 11 and between the 2nd bearing portion 22 and the 2nd axle portion 12, and air can also be moved, will not be interfered
The action of the pressing operation of shaft component 10.
As shown in figure 5, the abutting part 10f opposed with the segment difference section 23 of bearing components 20 is formed in shaft component 10, in segment difference
Lubricant 62 is provided between portion 23 and abutting part 10f.Moreover, being configured in the depressed behaviour in the axial direction of shaft component 10
When making, as shown in fig. 6, abutting part 10f is abutted with segment difference section 23 after button switch 40 is driven.It is depressed in shaft component 10
When operation, when the abutting part 10f of shaft component 10 encounters segment difference section 23 to the mobile stopping of shaft component 10, abutting sound will produce
Sound, but by the way that lubricant 62 is arranged between segment difference section 23 and abutting part 10f, so as to reduce the abutting sound.According to this
The composition of sample, it is believed that will produce the brake force of the movement of buffering shaft component 10.Further, since can by segment difference section 23 and
The 1st bearing portion 21 that abutting part 10f is set to shape portion 25 of conforming to the principle of simplicity positions away from, therefore lubricant 62 is not easy to flow out to outside.
The rotary electrical unit 1 of present embodiment is provided with holding with flat surface 24a in the top 27a of receiving portion 27
Socket part 24.Moreover, anti-dropout component 16 is configured at receiving portion 27 and with opposed in the mode that can be abutted with carrier 24
The plate-like portion 16a of configuration.Therefore, pressing operation is being released, is being restored to just by active force (restoring force) of elastic component 45
When beginning state, as shown in figure 5, plate-like portion 16a is abutted with carrier 24.In turn, in the carrier 24 and anticreep of bearing components 20
It falls between the plate-like portion 16a of component 16, due to being provided with lubricant 61, plate-like portion 16a can be reduced and supported with carrier 24
Sound when connecing.
Further, since foring recess portion 24b in carrier 24, therefore can prevent from making anti-dropout structure due to lubricant 61
Part 16 is pasted on the case where flat surface 24a of carrier 24.Furthermore it is possible to which recess portion 24b to be used as to the storage unit of lubricant 61.And
And recess portion 24b be formed in carrier 24 it is multiple, and as shown in figure 5, do not carry out to the pressing operation of shaft component 10 just
Under beginning state, covered by plate-like portion 16a.In such manner, it is possible to reduce outflow of the lubricant 61 from recess portion 24b, can chronically keep
Lubricant 61, to carry out the inhibition of sound.In addition, recess portion 24b is not limited to shape shown in Fig. 6 and Fig. 7 (b), example
It such as can also be continuous 1 endless groove in the circumferential.In addition, what as long as a part of recess portion 24b was covered by plate-like portion 16a
Shape, whole without recess portion 24b are covered by plate-like portion 16a.
Hereinafter, explanation uses the effect acquired by present embodiment.
The rotary electrical unit 1 of present embodiment has：Bearing components 20 with cylindrical portion 25, with rotatable side
Formula is held in the shaft component 10 of the bearing components 20, is fixed on the lower part of the shaft component 10 and prevents the shaft component 10 from bearing structure
Anti-dropout component 16 that part 20 falls off, detect shaft component 10 spinning movement rotary detecting circuit 30 and be set to shaft component
10 lower section and the driven button switch 40 with the pressing operation to the directions axis 10a of shaft component 10.Moreover, bearing
Component 20 has：It rotatably guides the 2nd bearing portion 22 of shaft component 10 and is formed as comparing in the lower part of the 2nd bearing portion 22
The big receiving portion 27 of 2nd bearing portion 22 is provided with the carrier 24 with flat surface 24a in the top 27a of receiving portion 27.Into
And anti-dropout component 16 be configured at receiving portion 27 and with carrier 24 with the opposed plate-like portion of the mode that can be abutted
16a is provided with lubricant 61 between carrier 24 and plate-like portion 16a.
According to this constitution, between the carrier 24 of bearing components 20 and the plate-like portion 16a of anti-dropout component 16, due to setting
It is equipped with lubricant 61, therefore the pressing operation to the directions axis 10a for releasing shaft component 10 can be reduced and be restored to initial shape
State, sound when plate-like portion 16a is abutted with carrier 24 (flat surface 24a).
In addition, in the rotary electrical unit 1 of present embodiment, anti-dropout component 16 is made of metal material, and is had
It is standby：Cricoid plate-like portion 16a and the multiple cards for being connected to form and capable of being engaged with shaft component 10 with the inner edge side of plate-like portion 16a
Close piece 16b.According to this constitution, can be reliable and shaft component 10 easily be installed on anti-dropout component 16.
Moreover, shaft component 10 has：In the engagement shaft that lower end side is engaged with the snap-latch piece 16b of anti-dropout component 16
Portion 10b and the limiting unit 10c abutted with the upside of plate-like portion 16a, anti-dropout component 16 are supported in plate-like portion 16a and limiting unit 10c
In the state of connecing, it is fixed in shaft component 10.According to this constitution, the installation position due to anti-dropout component 16 relative to shaft component 10
Fixation is set, therefore shaft component 10 can be inhibited from the deviation of 20 amount outstanding of bearing components.
Furthermore it is preferred that carrier 24 from the flat surface 24a opposed with plate-like portion 16a it is upward recessed be provided with recess portion
24b, and lubricant 61 is maintained in recess portion 24b.
According to this constitution, due to being formed with recess portion 24b in carrier 24, can prevent from making to prevent due to lubricant 61
The component 16 that falls off is pasted on the case where flat surface 24a of carrier 24.Furthermore it is possible to which recess portion 24b to be used as to the storage of lubricant 61
Deposit portion.
Furthermore it is preferred that recess portion 24b is under the original state without the pressing operation to shaft component 10, by plate-like portion 16a
It is covered.
According to this constitution, due to keeping the recess portion 24b of lubricant 61 to be covered in the initial state by plate-like portion 16a,
Outflow of the lubricant 61 from recess portion 24b can be reduced, lubricant 61 can be chronically kept, to carry out the inhibition of sound.
Furthermore it is preferred that in the inner surface of cylindrical portion 25, segment difference is arranged in the position between front end 25a and receiving portion 27
Portion 23, the segment difference section 23 are formed as orthogonal with the Pivot axle of shaft component 10 in the front end sides 25a compared to 27 side of receiving portion
Direction on size bigger, in shaft component 10, setting can be inserted into the lower side of segment difference section 23 thin axle portion 10d and can
It is inserted into the front end sides 25a of cylindrical portion 25 and the thick axle portion 10e thicker than thin axle portion 10d, and in thin axle portion 10d and thick axle portion
The abutting part 10f opposed with segment difference section 23 is formed between 10e, and lubricant 62 is provided between segment difference section 23 and abutting part 10f,
In 10 depressed operation in the axial direction of shaft component, abutting part 10f is abutted with segment difference section 23.
According to this constitution, when shaft component 10 receives pressing operation, the abutting part 10f of shaft component 10 encounters segment difference section 23
Thus when the mobile stopping of shaft component 10, though abutting sound is will produce, by being arranged between segment difference section 23 and abutting part 10f
Lubricant 62, so as to reduce the abutting sound.Further, since segment difference section 23 and abutting part 10f can be set to from
The front end 25a in simple shape portion 25 is positioned away from, therefore lubricant 62 is not easy to flow out to outside.
As described above, the rotary electrical unit 1 of the 1st embodiment of the present invention is specifically illustrated, but the present invention is not
It is defined in above-mentioned embodiment, can be made various changes in the range of not departing from purport to implement.Such as it can be as follows
It deforms to implement, these also belong to the technical scope of the present invention.
(1) in the present embodiment, anti-dropout component 16 has a plate-like portion 16a and snap-latch piece 16b, but can also will be with card
The snap-latch piece 16b of sympodium portion 10b engagings is changed to the composition based on the equal others locking methods that are screwed.
(2) in the present embodiment, in carrier 24 of the setting of receiving portion 27 with flat surface 24a, top 27a exists
Position other than carrier 24 can also have segment difference.In addition, the wall surface other than carrier 24 can also be dome-shaped.
(3) in the present embodiment, the 1st bearing portion that can be arranged to sliding contact with the 1st axle portion 11 of shaft component 10
21 inner surface has the section shape of multilateral shape, the 2nd bearing portion 22 that can be arranged to sliding contact with the 2nd axle portion 12
Inner surface has circular section shape, and but not limited to this.For example, for the bearing components formed by machining
For, the inner surface for the 1st bearing portion that the 1st axle portion 11 with shaft component 10 can be arranged to sliding contact can be set as having
Circular section shape and the inner surface for being provided with spiral helicine escape.
(4) in the present embodiment, the 1st axle portion 11 and the 2nd axle portion 12 of shaft component 10 respectively with bearing components 20
1st bearing portion 21 and the 2nd bearing portion 22 are directly opposed, are guided in a rotatable way, but not limited to this.For example,
Axle portion on the downside of can also be is guided by bearing components indirectly via rotating member.
Symbol description
1 rotary electrical unit
10 shaft components
10a axis
10b engages axle portion
10c limiting units
The thin axle portions of 10d
The thick axle portions of 10e
10f abutting parts
11 the 1st axle portions
12 the 2nd axle portions
13 operation portions
14 holding sections
15 driving bodies
16 anti-dropout components
16a plate-like portions
16b chuck pieces
20 bearing components
20b guide portions
21 the 1st bearing portions
22 the 2nd bearing portions
23 segment difference sections
24 carriers
24a flat surfaces
24b recess portions
25 cylindrical portions
The front ends 25a
26 flange parts
27 receiving portions
At the top of 27a
30 rotary detecting circuits
31 rotating members
31b jogs
31c protrusions
32 sliding parts
33 conductive members
33a fixes electrode
33b portion of terminal
34 conductive members
34a fixes electrode
34b portion of terminal
35 conductive members
35a fixes electrode
35b portion of terminal
36 spring members
40 button switches
41 travelling contact components
41a travelling contacts portion
41b support portions
42 fixed contact components
42a fixed contacts portion
42b portion of terminal
43 supporting members
43a supports contact portion
43b portion of terminal
45 elastic components
45a central portions
45b circular top parts
50 housing members
51 the 1st housing members
53 lids
61 lubricants
62 lubricants
Claims (7)
1. a kind of rotary electrical unit, has：
Bearing components, with cylindrical portion；
Shaft component is revolvably held in the bearing components；
Anti-dropout component is fixed on the lower part of the shaft component, prevents the shaft component from falling off from the bearing components；
Rotary detecting circuit detects the spinning movement of the shaft component；With
Button switch is set to the lower section of the shaft component, with the shaft component to the pressing operation of axis direction and by
Driving,
The rotary electrical unit is characterized in that,
The bearing components have the bearing portion for revolvably guiding the shaft component and are formed as comparing in the lower part of the bearing portion
The big receiving portion of the bearing portion, is provided with the carrier with flat surface at the top of described accommodation section,
The anti-dropout component is configured at described accommodation section and with opposed in the mode that can be abutted with the carrier
Plate-like portion,
It is provided with lubricant between the carrier and the plate-like portion.
2. rotary electrical unit according to claim 1, which is characterized in that
The anti-dropout component is made of metal material, and has the cricoid plate-like portion and the inner edge side with the plate-like portion
The multiple snap-latch pieces that is connected to form and can engage with the shaft component.
3. rotary electrical unit according to claim 2, which is characterized in that
The shaft component has：
Engage axle portion, engages with the snap-latch piece of the anti-dropout component in lower end side；With
Limiting unit is abutted with the upside of the plate-like portion,
The anti-dropout component is fixed in the shaft component in the state that plate-like portion is abutted with the limiting unit.
4. rotary electrical unit according to claim 2 or 3, which is characterized in that
In the carrier, from the flat surface opposed with the plate-like portion it is upward recessed be provided with recess portion, described
The lubricant is maintained in recess portion.
5. rotary electrical unit according to claim 4, which is characterized in that
The recess portion is not carrying out under the original state of the pressing operation of the shaft component, being covered by the plate-like portion.
6. according to the rotary electrical unit described in claims 1 to 3, any one of 5, which is characterized in that
In the inner surface of the cylindrical portion, segment difference section, the segment difference section shape is arranged in the position between front end and described accommodation section
As the ruler compared to described accommodation section side on the front end side direction orthogonal with the Pivot axle of the shaft component
Very little bigger,
In the shaft component, setting can be inserted into the thin axle portion of the lower side of the segment difference section and can be inserted into the tubular
The front end side in portion and the thick axle portion thicker than the thin axle portion, and formed between the thin axle portion and the thick axle portion
The abutting part opposed with the segment difference section,
Be provided with lubricant between the segment difference section and the abutting part, the shaft component along the axis direction by by
When press operation, the abutting part is abutted with the segment difference section.
7. rotary electrical unit according to claim 4, which is characterized in that
In the inner surface of the cylindrical portion, segment difference section, the segment difference section shape is arranged in the position between front end and described accommodation section
As the ruler compared to described accommodation section side on the front end side direction orthogonal with the Pivot axle of the shaft component
Very little bigger,
In the shaft component, setting can be inserted into the thin axle portion of the lower side of the segment difference section and can be inserted into the tubular
The front end side in portion and the thick axle portion thicker than the thin axle portion, and formed between the thin axle portion and the thick axle portion
The abutting part opposed with the segment difference section,
Be provided with lubricant between the segment difference section and the abutting part, the shaft component along the axis direction by by
When press operation, the abutting part is abutted with the segment difference section.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-190881 | 2015-09-29 | ||
| JP2015190881A JP6471073B2 (en) | 2015-09-29 | 2015-09-29 | Rotating electrical parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106558443A CN106558443A (en) | 2017-04-05 |
| CN106558443B true CN106558443B (en) | 2018-11-09 |
Family
ID=58418426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610796151.1A Active CN106558443B (en) | 2015-09-29 | 2016-08-31 | Rotary electrical unit |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6471073B2 (en) |
| CN (1) | CN106558443B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1213841A (en) * | 1997-10-08 | 1999-04-14 | 阿尔卑斯电气株式会社 | Rotary electrical parts with press switch |
| CN101454856A (en) * | 2006-05-23 | 2009-06-10 | 阿尔卑斯电气株式会社 | Rotary type electric component |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3499651B2 (en) * | 1995-04-28 | 2004-02-23 | オートリブ・ジャパン株式会社 | Cover body of airbag device |
| JP3869997B2 (en) * | 2000-03-17 | 2007-01-17 | シャープ株式会社 | Liquid storage tank |
| JP2002025382A (en) * | 2000-07-11 | 2002-01-25 | Shin Etsu Polymer Co Ltd | Cover member for push-button switch |
| JP2003217397A (en) * | 2002-01-25 | 2003-07-31 | Matsushita Electric Ind Co Ltd | Rotary electronic part |
| JP2004207512A (en) * | 2002-12-25 | 2004-07-22 | Alps Electric Co Ltd | Electric component with click feeling |
| JP2006024424A (en) * | 2004-07-07 | 2006-01-26 | Fuji Photo Film Co Ltd | Operation knob |
| JP2009070657A (en) * | 2007-09-12 | 2009-04-02 | Hitachi Kokusai Denki Engineering:Kk | Push button for electronic device |
| JP2010085253A (en) * | 2008-09-30 | 2010-04-15 | Nidec Copal Corp | Rotary encoder |
-
2015
- 2015-09-29 JP JP2015190881A patent/JP6471073B2/en active Active
-
2016
- 2016-08-31 CN CN201610796151.1A patent/CN106558443B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1213841A (en) * | 1997-10-08 | 1999-04-14 | 阿尔卑斯电气株式会社 | Rotary electrical parts with press switch |
| CN101454856A (en) * | 2006-05-23 | 2009-06-10 | 阿尔卑斯电气株式会社 | Rotary type electric component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106558443A (en) | 2017-04-05 |
| JP2017068951A (en) | 2017-04-06 |
| JP6471073B2 (en) | 2019-02-13 |
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Address after: Tokyo, Japan, Japan Patentee after: Alpine Alpine Company Address before: Tokyo, Japan, Japan Patentee before: Alps Electric Co., Ltd. |
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