CN1227391A - Rotary electric member - Google Patents
Rotary electric member Download PDFInfo
- Publication number
- CN1227391A CN1227391A CN 99100556 CN99100556A CN1227391A CN 1227391 A CN1227391 A CN 1227391A CN 99100556 CN99100556 CN 99100556 CN 99100556 A CN99100556 A CN 99100556A CN 1227391 A CN1227391 A CN 1227391A
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- CN
- China
- Prior art keywords
- rotary body
- back shaft
- place
- electric member
- rotary electric
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Abstract
In a rotary electric component of the invention, an extending flat face 1d extending from a side wall 1f to a hole 1a is provided at a supporting component 1, an inner circumambient portion of a rotary body 9 is supported by the extending flat face 1d extending to a position near a supporting shaft 2, thereby a centre portion of the rotary body 9 can be supported powerfully, so that bend in the centre portion of the rotary body 9 can be reduced to ensure a good contact state between a conductive pattern 12 and a contact component 6, in this way, a rotary electric component having a good precision and suitable for being used in a variable resistor using a resistor body.
Description
The present invention relates to be specially adapted to use the rotary electric member in the semi-fixed type variable resistance.
As shown in figure 10, existing rotary electric member such as pulsed switch etc. mostly make by synthetic resin, cup-shaped support component 31 places, be provided with diapire 31a, with the sidewall 31c that form, that have stage portion 31b of the outside perimembranous mode round diapire 31a, and the blank part 31d that is formed on the inner place of sidewall 31c.
Central portion at the rotary body 33 that is made of synthetic resin, be circular plate type is formed with rectangular aperture 33a, and the place also is formed with conductive pattern 34 below this rotary body 33.
This rotary body 33 carries at stage portion 31b place, and is supported on this position in rotatable mode, and this stage portion 31b is arranged on the sidewall 31c place of support component 31.
When making rotary body 33 rotations by rotating shaft 35, this rotary body 33 rotates under the state that its outside perimembranous is being supported by the stage portion 31b on the support component 31.
By the rotation of this rotary body 33, conductive pattern 34 also will rotate thereupon and with contact chip 32 sliding contacts, and then the pulse signal that can obtain to be scheduled to.
Yet, in this existing rotary electric member to the support of rotary body 33, be to utilize the stage portion 31b on the sidewall 31c that the outside perimembranous in the rotary body 33 is implemented, so the support to the central portion of rotary body 33 is more weak, when operation rotating shaft 35, central portion place in rotary body 33 can produce the deflection such as recessed grade, thereby can make the contact condition between conductive pattern 34 and the contact chip 32 bad, so have the problem that can not obtain good precision etc., and these problems are quite fatal for variable resistance etc. particularly.
And, since more weak to the support of the central portion of rotary body 33, so also have when operation rotating shaft 35, understand making rotary body 33 problems such as breakage occur owing to pushing.
And, owing to also need to be provided with rotary body 33, the mounting panel 36 of rotating shaft 35 usefulness be installed, so have also that shape is bigger, cost is than problems such as higher and productivity ratio are bad.
And, because rotary body 33 is made by synthetic resin, so the influence that changed by temperature, timeliness can produce deflection, thereby can produce harmful effect, so also have the problem that is difficult to obtain the good electric component of precision to the resistive element in the variable resistance.
Provided by the present invention, first solution that the problem as mentioned above of solving is used is that the structure of this electric component is constituted, have portion in the central through hole is arranged, the rotary body that constitutes by insulating material, be formed on the conductive pattern that this rotary body is located below, supporting the back shaft of described rotary body in rotatable mode, the portion in the central of including has can make recess that described back shaft passes through or the sidewall in hole, the support component that constitutes by the insulating material that is box-shaped substantially, and remain on described support component place, contact component with the conductive pattern sliding contact, and be provided with the extension tabular surface that always extends to described recess or place, hole by described sidewall in a surface of described support component, the downside of described rotary body contacts with described extension tabular surface, and by running through the described back shaft of the through hole that is inserted in the described rotary body, described rotary body is installed on the described support component in rotatable mode, thereby utilizes described extension tabular surface to support described rotary body in described back shaft vicinity.
Second solution provided by the present invention, that the problem as mentioned above of solving is used is the structure of this electric component to be constituted further be, be formed with outside tabular surface at the upper side place of described sidewall, and this outside tabular surface is contacted with the downside of described back shaft.
The 3rd solution provided by the present invention, that the problem as mentioned above of solving is used is that the structure of this electric component is constituted further is that the upper side place in described rotary body also is provided with the driving groove that is connected with described through hole.
The 4th solution provided by the present invention, that the problem as mentioned above of solving is used is the structure of this electric component to be constituted further be, described back shaft embedded installs at described support component place, and the mode by the leading section of described back shaft is implemented riveted joint or at described back shaft place quick nut is installed is installed in described rotary body on the described back shaft.
The 5th solution provided by the present invention, that the problem as mentioned above of solving is used is that the structure of this electric component is constituted further is that described rotary body is made of ceramic material.
The 6th solution provided by the present invention, that the problem as mentioned above of solving is used is the structure of this electric component to be constituted further be, described conductive pattern is made of good conductor of electricity and resistor, described contact component and described good conductor of electricity and resistor sliding contact.
Below with reference to accompanying drawing, be that example illustrates rotary electric member of the present invention with the semi-fixed type variable resistance.
The plane graph that Fig. 1 uses for expression rotary electric member of the present invention.
The side view that Fig. 2 uses for expression rotary electric member of the present invention.
Fig. 3 is the profile of expression along the line 3-3 among Fig. 1.
Fig. 4 is the profile of expression along the line 4-4 among Fig. 1.
The plane graph that Fig. 5 uses for the expression support component relevant with rotary electric member of the present invention.
Fig. 6 is relevant with rotary electric member of the present invention for explanation, schematically illustrate figure when being installed in contact component on the support component.
Fig. 7 is relevant with rotary electric member of the present invention for explanation, schematically illustrate figure when being installed in contact component on the portion of terminal.
The plane graph that Fig. 8 uses for the expression rotary body relevant with rotary electric member of the present invention.
The following view that Fig. 9 uses for the expression rotary body relevant with rotary electric member of the present invention.
The profile that Figure 10 uses for the existing rotary electric member of expression.
Below with reference to the variable resistance that Fig. 1～Fig. 9 explanation is used as rotary electric member of the present invention, the support component 1 that wherein is made of the insulated synthetic resin material is special in Fig. 5, shown in Figure 6, be box-shaped substantially with sidewall 1f and bottom surface 1g, and recess or hole 1a with the central portion place that is arranged on bottom surface 1g, be arranged on the 1b of several low ebb portions on the face, be set in place on a face between each 1b of low ebb portion, be formed on the outside tabular surface 1c that sidewall 1f locates above, be connected with this outside tabular surface 1c and be provided with, extend to the extension tabular surface 1d at 1a place, hole always, and the braking parts 1e that is arranged on perimembranous part place, the outside.
The back shaft 2 that is made of metallic plate is embedded into and is installed in support component 1 place, and its axial region is configured in the hole 1a of support component 1, and comes out by a face of support component 1 is side-prominent.
Three portion of terminal 3,4,5 that are made of the thicker metallic plate of wall ratio are as Fig. 5～shown in Figure 7, have base portion 3a, 4a, 5a and be separately positioned on base portion 3a, 4a, 5a one end clamping part 3b, 4b, the 5b place, that be the U font, by base portion 3a, 4a, 5a on these portion of terminal 3,4,5 are embedded in support component 1 place, or clamping part 3b, 4b, 5b be pressed into mode in the hole that is installed on the support component 1, just can make clamping part 3b, 4b, the 5b of each portion of terminal 3,4,5 be configured in low ebb portion 1b place in the support component 1.
And in this embodiment, portion of terminal and same metallic plate of aforementioned back shaft 2 usefulness are made, so can reduce part count, boost productivity and can reduce its cost.
Three contact components 6,7,8 that are made of the rubber-like metallic plate are as Fig. 6, shown in Figure 7, have base portion 6a, 7a, 8a and contact site 6b, 7b, 8b respectively, these contact components 6,7,8 are configured in the 1b of low ebb portion in the support component 1, and each base portion 6a, 7a, 8a are pressed into the clamping part 3b, the 4b that are the U font, the 5b place that is installed in the portion of terminal 3,4,5.
In other words be exactly that portion of terminal 3,4,5 is different materials with contact component 6,7,8 uses, thereby can adapt with requirements such as productivity ratio, costs better.
The rotary body of being made by ceramic material 9 is as Fig. 8, shown in Figure 9, has the through hole 9a that is octagonal, the place of portion in the central is set, disposed thereon that locate, be criss-cross driving groove 9b, be formed on the par 9c that locates above in the mode that is holding the perimembranous place, the outside that is criss-cross driving groove 9b, and the braking parts 9d that is arranged on the sidepiece place.
And the place is formed with also as shown in Figure 9 by resistive element 10 with such as the good conductor of electricity 11a of silvery substrate etc., the conductive pattern 12 that 11b constitutes below this rotary body 9.
Described good conductor of electricity 11a, 11b have clamping and resistive element 10 and be formed on the good conductor of electricity 11a of outside and be formed on the good conductor of electricity 11b at inboard place, the good conductor of electricity 11a that is positioned at the outside is connected with an end of resistive element 10, the good conductor of electricity 11b that is positioned at inboard place is connected with the other end of resistive element 10, and makes the inside of through hole 9a and peripheral part mutual conduction of through hole 9a.
And, the face that is formed with conductive pattern 12 in this rotary body 9 carries at the outside tabular surface 1c on the support component 1 and extends on the tabular surface 1d, and back shaft 2 runs through and is inserted among the through hole 9a, with the riveted joint of the leading section of back shaft 2, thereby will execute to turn in rotatable mode 9 is installed in back shaft 2 places.
Certainly, can the leading section of back shaft 2 not riveted yet, but quick nut (not shown) is pressed into back shaft 2 places, and then rotary body 9 is installed on the back shaft 2.
When this rotary body 9 is in installment state, the outside perimembranous of rotary body 9 will be supported on tabular surface 1c place, the outside, and the inboard perimembranous of rotary body 9 will be supported near the extension tabular surface 1d place that always extends to the back shaft 2, thereby make back shaft 2 be in the good conductor of electricity 11b contacted state interior with being formed on through hole 9a.
When rotary body 9 is installed, contact site 7b in the contact component 7 is in and resistive element 10 contacted states, contact site 6b in the contact component 6 is in and the contacted state of good conductor of electricity 11a that is positioned at the outside, and the contact site 8b in the contact component 8 is in and is positioned at the inboard contacted state of good conductor of electricity 11b.
And for this rotary electric member, when the driving groove 9b place in rotary body 9 is inserted with driving body and make rotary body 9 rotations, be positioned at inboard good conductor of electricity 11b will with contact component 8 sliding contacts, be positioned at the outside good conductor of electricity 11a will with contact component 6 sliding contacts, resistive element 10 will with contact component 7 sliding contacts, thereby can be to implementing to adjust in resistance value between portion of terminal 3 and the portion of terminal 4 and between portion of terminal 4 and portion of terminal 5.
When the direct butt of braking parts 1e in braking parts 9d in the rotary body 9 and the support component 1, the rotation of rotary body 9 will stop.
When the rotary body in this rotary electric member 9 is implemented assembling, can utilize the vacuum (not shown) to attract par 9c in the rotary body 9, rotary body 9 is moved to support component 1 place always, after the back shaft 2 that will be installed in support component 1 place runs through the through hole 9a place that is inserted in the rotary body 9, leading section to back shaft 2 is implemented riveted joint, so just finish this assembling procedure, therefore can implement assembling in an automated fashion.
Rotary electric member of the present invention is to be provided with the extension tabular surface 1d that is always extended to 1a place, hole by sidewall 1f at support component 1 place, and supporting the inboard perimembranous of rotary body 9 with the extension tabular surface 1d that extends to back shaft 2 vicinity always, so can implement powerful support to the central portion of rotary body 9, and then can reduce the deflection at the central portion place in the rotary body 9, guarantee that the contact condition between conductive pattern 12 and the contact component 6 is good, thereby provide a kind of good accuracy that can obtain, be specially adapted to the rotary electric member that in using the variable resistance of resistive element, uses.
And, owing to can implement powerful support to the central portion of rotary body 9, so even the present invention also provides a kind of rotary electric member that also can not cause rotary body 9 breakages when operation rotary body 9.
And, owing to extend the tabular surface 1d except being formed with, also be formed with outside tabular surface 1c, and outside tabular surface 1c is contacted with rotary body 9, so can also form more powerful support at sidewall 1f place.
And, drive groove 9b owing in rotary body 9, also be provided with, so the present invention also provides and a kind ofly can reduce part count, cheap and small-sized rotary electric member that productivity ratio is good with comparing originally.
And, implement riveted joint by leading section to back shaft 2, or the mode by quick nut is installed at back shaft 2 places is installed in the mode at back shaft 2 places with rotary body 9, can also provide a kind of its rotary electric member simple in structure, cheap and assembleability is good.
And, because rotary body 9 adopts ceramic material to make,, and then can reduce influence to conductive pattern 12 so the influence that changed by temperature, timeliness is smaller, so can obtain the good electric product of precision, particularly can obtain to use the variable resistance of resistive element 10.
And, conductive pattern 12 is made of good conductor of electricity 11a, 11b and resistive element 10, contact component 6,7,8 contacts with good conductor of electricity 11a, 11b and resistive element 10 respectively, so the present invention also provides a kind of rotary electric member that well behaved variable resistance uses that can be used as.
Claims (6)
1. rotary electric member, it has at central portion through hole is arranged, the rotary body that constitutes by insulating material, be formed on the conductive pattern that this rotary body is located below, supporting the back shaft of described rotary body in rotatable mode, the portion in the central of including has can make recess that described back shaft passes through or the sidewall in hole, the support component that constitutes by the insulating material that is box-shaped substantially, and remain on described support component place, contact component with described conductive pattern sliding contact, this rotary electric member is characterised in that, be provided with the extension tabular surface that always extends to described recess or place, hole by described sidewall in a surface of described support component, the downside of described rotary body contacts with described extension tabular surface, and by running through the described back shaft of the through hole that is inserted in the described rotary body, described rotary body is installed on the described support component in rotatable mode, thereby utilizes described extension tabular surface near described back shaft, to support described rotary body.
2. rotary electric member as claimed in claim 1 is characterized in that, also is formed with outside tabular surface at the upper side place of described sidewall, and this outside tabular surface is contacted with the downside of described back shaft.
3. rotary electric member as claimed in claim 1 is characterized in that, the upper side place in described rotary body also is provided with the driving groove that is connected with described through hole.
4. rotary electric member as claimed in claim 1, it is characterized in that, described back shaft embedded installs at described support component place, and the mode so that the leading section of described back shaft is implemented riveted joint or at described back shaft place quick nut is installed is installed in described rotary body on the described back shaft.
5. rotary electric member as claimed in claim 1 is characterized in that described rotary body is made of ceramic material.
6. rotary electric member as claimed in claim 1 is characterized in that described conductive pattern is made of good conductor of electricity and resistor, described contact component and described good conductor of electricity and resistor sliding contact.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP041630/1998 | 1998-02-24 | ||
| JP4163098A JPH11238608A (en) | 1998-02-24 | 1998-02-24 | Rotary type electric part |
| JP041630/98 | 1998-02-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1227391A true CN1227391A (en) | 1999-09-01 |
| CN1127097C CN1127097C (en) | 2003-11-05 |
Family
ID=12613659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99100556 Expired - Fee Related CN1127097C (en) | 1998-02-24 | 1999-02-09 | Rotary electric member |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH11238608A (en) |
| CN (1) | CN1127097C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1855320B (en) * | 2005-04-25 | 2010-09-08 | 阿尔卑斯电气株式会社 | Variable resistance |
| CN105023675A (en) * | 2015-07-30 | 2015-11-04 | 成都中微电微波技术有限公司 | Reversely-adjusted potentiometer |
| CN105070440A (en) * | 2015-07-30 | 2015-11-18 | 成都中微电微波技术有限公司 | Voice-controlled potentiometer with reverse-adjustment gradations |
| CN105139989A (en) * | 2015-07-30 | 2015-12-09 | 成都中微电微波技术有限公司 | Voice-controlled potentiometer with reverse adjustment function |
-
1998
- 1998-02-24 JP JP4163098A patent/JPH11238608A/en not_active Withdrawn
-
1999
- 1999-02-09 CN CN 99100556 patent/CN1127097C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1855320B (en) * | 2005-04-25 | 2010-09-08 | 阿尔卑斯电气株式会社 | Variable resistance |
| CN105023675A (en) * | 2015-07-30 | 2015-11-04 | 成都中微电微波技术有限公司 | Reversely-adjusted potentiometer |
| CN105070440A (en) * | 2015-07-30 | 2015-11-18 | 成都中微电微波技术有限公司 | Voice-controlled potentiometer with reverse-adjustment gradations |
| CN105139989A (en) * | 2015-07-30 | 2015-12-09 | 成都中微电微波技术有限公司 | Voice-controlled potentiometer with reverse adjustment function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1127097C (en) | 2003-11-05 |
| JPH11238608A (en) | 1999-08-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |