CN203406105U - Brush of potentiometer and potentiometer - Google Patents
Brush of potentiometer and potentiometer Download PDFInfo
- Publication number
- CN203406105U CN203406105U CN201320558692.2U CN201320558692U CN203406105U CN 203406105 U CN203406105 U CN 203406105U CN 201320558692 U CN201320558692 U CN 201320558692U CN 203406105 U CN203406105 U CN 203406105U
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- brush
- potentiometer
- equal
- connecting portion
- contact portion
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Abstract
The utility model relates to the field of electronic elements, in particular to a brush of a potentiometer and the potentiometer. The brush of the potentiometer comprises a connection portion, a brush base, an inflection portion and a contact portion. The connection portion is connected between the brush base and the inflection portion, and the connection portion is in a bending shape composed of linear segments. According to the brush of the potentiometer, the shape of the connection portion is changed into the bending shape formed by the linear segments, so that the base and the contact portion do not deform in the situation that the base and the contact portion are stressed for a long time when the brush of the potentiometer is used, and good resilience force can be kept. Thus, contact between the contact portion and the potentiometer is good, and instability or invalidation of the resistance value of the potentiometer is not prone to occurring.
Description
Technical field
The utility model relates to field of electrical components, in particular to brush and the potentiometer of potentiometer.
Background technology
When the brush of potentiometer moves along resistive element, at output, obtain the resistance value that becomes certain relation with displacement.
The brush of the potentiometer in correlation technique, as shown in Figure 1, comprising: connecting portion 1, the brush base 2, revers turn part 3, the contact portion 4 that adapt with the base of potentiometer; Described connecting portion is connected between described brush base and described revers turn part, and described connecting portion is circular shape; Described revers turn part connects described contact portion away from one end of described connecting portion.
The brush of the potentiometer in correlation technique in use, the base of the brush of potentiometer and contact minister phase pressurized, make the brush distortion of potentiometer, and resilience force is inadequate, thereby make the loose contact of contact portion and potentiometer, easily cause the resistance shakiness of potentiometer or lost efficacy.
Utility model content
The purpose of this utility model is to provide brush and the potentiometer of potentiometer, to solve the above problems.
A kind of brush of potentiometer is provided in embodiment of the present utility model, comprise: brush base, revers turn part, contact portion, connecting portion, described connecting portion is connected between described brush base and described revers turn part, and described connecting portion is the bending shape that straightway forms.
The brush of the potentiometer of the utility model above-described embodiment, by the shape of described connecting portion is revised as to the bending shape that straightway forms by circular shape, the brush that makes potentiometer is in use in the situation of base and contact minister phase pressurized, still not yielding, can keep good resilience force, thereby make contact portion good with contacting of potentiometer, be difficult for causing the resistance shakiness of potentiometer or losing efficacy.
A kind of potentiometer is also provided in embodiment of the present utility model, has comprised the brush of the potentiometer described in above-described embodiment.
The potentiometer of the utility model above-described embodiment, by the shape of described connecting portion is revised as to the bending shape that straightway forms by circular shape, the brush that makes potentiometer is in use in the situation of base and contact minister phase pressurized, still not yielding, can keep good resilience force, thereby make contact portion good with contacting of potentiometer, be difficult for causing the resistance shakiness of potentiometer or losing efficacy.
Accompanying drawing explanation
Fig. 1 shows the schematic diagram of the brush of the potentiometer in correlation technique;
Fig. 2 shows the schematic diagram of a kind of embodiment of the brush of potentiometer of the present utility model;
Fig. 3 shows the assembling result schematic diagram of the brush of the potentiometer in Fig. 2;
Fig. 4 shows the stereoeffect schematic diagram of the brush of the potentiometer in Fig. 2.
Reference numeral: 1-connecting portion; 2-brush base; 3-revers turn part; 4-contact portion; 5-connecting portion connects the angle of brush base; 6-connecting portion connects the angle of revers turn part; The angle of 7-bending shape; The angle that 8-brush base and revers turn part form; 9-substrate; 10-silver band; 11-solder joint; 12-regulating tank.
Embodiment
Below by specific embodiment, also by reference to the accompanying drawings the utility model is described in further detail.
In a kind of brush of potentiometer, as shown in Figure 2, comprising: connecting portion 1, brush base 2, revers turn part 3, contact portion 4, connecting portion is connected between brush base and revers turn part, and connecting portion is the bending shape that straightway forms.
The brush of the potentiometer of the utility model above-described embodiment, by the shape of described connecting portion is revised as to the bending shape that straightway forms by circular shape, the brush that makes potentiometer is in use in the situation of base and contact minister phase pressurized, still not yielding, can keep good resilience force, thereby make contact portion good with contacting of potentiometer, be difficult for causing the resistance shakiness of potentiometer or losing efficacy.
Preferably, in the brush of above-mentioned potentiometer, the angle 5 that connecting portion connects brush base is more than or equal to 120 °, is less than or equal to 150 °; The angle 6 that connecting portion connects revers turn part is more than or equal to 120 °, is less than or equal to 150 °; The angle 7 of bending shape is more than or equal to 120 °, is less than or equal to 150 °.
By setting connecting portion, connect the angle 5 of brush base, the angle 7 that connecting portion connects the angle 6 of revers turn part and the bending shape of connecting portion, make the brush of potentiometer after the effect a period of time that is under pressure, further can keep good resilience force.
Preferably, in the brush of above-mentioned potentiometer, the angle 8 that brush base and revers turn part form is more than or equal to 40 °, is less than or equal to 50 °.
By the angle 8 that brush base and revers turn part are formed, be more than or equal to 40 °, be less than or equal to 50 °, make the brush of potentiometer after the effect a period of time that is under pressure, further can keep good resilience force.
Preferably, in the brush of above-mentioned potentiometer, the length that connecting portion connects the straightway of brush base is connected the straightway of the revers turn part ratio of length with connecting portion is more than or equal to 1.5, is less than or equal to 4; The ratio of the length of the length of revers turn part and contact portion is more than or equal to 1.5, is less than or equal to 9.
By the ratio of length of two sections of straightways of connecting portion and the ratio of the length of revers turn part and contact portion are set, make the stressed moment of each portion of brush of potentiometer more excellent, further improve the resilience force of the brush of potentiometer, reduce the loss of each parts of brush of potentiometer,, increase reliability and useful life that potentiometer uses.
Preferably, as shown in Figure 3, in the brush of above-mentioned potentiometer, contact portion is circular arc, and the number of degrees of circular arc are more than or equal to 100 °, are less than or equal to 140 °.
Due to the silver at substrate 9 two ends of contact portion and potentiometer with 10 contact-making surface not at grade, the design of the circular arc number of degrees makes the contact portion of the brush of potentiometer contact more smoothly silver on the good basis of resilience force and is with 10, can not stopped by solder joint 11.
Preferably, as shown in Figure 4, in the brush of above-mentioned potentiometer, the radius of circular arc is more than or equal to 0.3mm, is less than or equal to 0.6mm.
By the radius length of design circular arc, the size of the circular arc making more meets the size of the silver band being in contact with it, thereby makes brush more easily reach full scale operation, the qualification rate of the brush that also can improve potentiometer in assembling process.
Preferably, in the brush of above-mentioned potentiometer, contact portion for being more than or equal to 1.37mm, is less than or equal to 1.55mm apart from the distance of brush base.
Preferred distance by design contact portion apart from brush base, makes the brush of this potentiometer be applicable to most of potentiometers.
Preferably, in the brush of above-mentioned potentiometer, contact portion and revers turn part are provided with the regulating tank 12 that runs through contact portion and revers turn part.
By regulating tank 12 is set, make the pressurized of brush of potentiometer more even, the adjustment process of potentiometer operates steadily, and avoids causing waste product because injustice is installed.
In a kind of potentiometer, comprise the brush of the potentiometer as described in above-described embodiment.
The potentiometer of the utility model above-described embodiment, by the shape of described connecting portion is revised as to the bending shape that straightway forms by circular shape, the brush that makes potentiometer is in use in the situation of base and contact minister phase pressurized, still not yielding, can keep good resilience force, thereby make contact portion good with contacting of potentiometer, be difficult for causing the resistance shakiness of potentiometer or losing efficacy.
In sum, in above-described embodiment of the present utility model, the connecting portion of the connecting portion of the brush of potentiometer in correlation technique is three bending points that the circular arc of radius 0.3----0.8mm changes 120----150 degree angle into, resilience force obviously increases, it is 0.3----0.6mm that contact point is got radius, circular arc radian is more than or equal to 100 ° and is less than or equal to after 140 ° of a period of times, and brush running orbit is good, and zeropoint resistance test in termination is excellent.
Following table is the contrast subordinate list of the product of a kind of embodiment of the present utility model and the product of a kind of embodiment in correlation technique:
Product and product of the present utility model in the same alloy material punch forming correlation technique of 0.08 millimeters thick have been shown in upper table, be highly 1.52 millimeters, product work height is 0.97---1.03 millimeter, test request is compressed to 0.95 millimeter by the product in correlation technique and product of the present utility model, after removing external force, test product and the product height of the present utility model in correlation technique, thereby determine deformation rate.
Therefore, from above contrast test, can find out, the working condition of the long-term pressurized of brush based on potentiometer, the brush of potentiometer of the present utility model is by changing the mode of connecting portion bending shape, and the brush that makes potentiometer is necessarily to be depressed deformation little, and resilience force is good, stable contact between brush and substrate, thereby potentiometer qualification rate in assembling process is improved, and potentiometer dependability increases, and extend useful life.
In addition, evidence, of the present utility model simple in structure, be convenient to processing and manufacturing, process.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (9)
1. a brush for potentiometer, is characterized in that, comprising: connecting portion, brush base, revers turn part, contact portion, and described connecting portion is connected between described brush base and described revers turn part, and described connecting portion is the bending shape that straightway forms.
2. the brush of potentiometer according to claim 1, is characterized in that, the angle that described connecting portion connects described brush base is more than or equal to 120 °, is less than or equal to 150 °; The angle that described connecting portion connects described revers turn part is more than or equal to 120 °, is less than or equal to 150 °; The angle of described bending shape is more than or equal to 120 °, is less than or equal to 150 °.
3. the brush of potentiometer according to claim 2, is characterized in that, the angle that described brush base and described revers turn part form is more than or equal to 40 °, is less than or equal to 50 °.
4. the brush of potentiometer according to claim 3, is characterized in that, the length that described connecting portion connects the straightway of described brush base is connected the straightway of the described revers turn part ratio of length with described connecting portion is more than or equal to 1.5, is less than or equal to 4; The ratio of the length of the length of described revers turn part and described contact portion is more than or equal to 1.5, is less than or equal to 9.
5. the brush of potentiometer according to claim 4, is characterized in that, described contact portion is circular arc, and the number of degrees of described circular arc are more than or equal to 100 °, are less than or equal to 140 °.
6. the brush of potentiometer according to claim 5, is characterized in that, the radius of described circular arc is more than or equal to 0.3mm, is less than or equal to 0.6mm.
7. the brush of potentiometer according to claim 6, is characterized in that, the distance of the described brush base of described contact portion's distance, for being more than or equal to 1.37mm, is less than or equal to 1.55mm.
8. the brush of potentiometer according to claim 7, is characterized in that, described contact portion and described revers turn part are provided with the regulating tank that runs through described contact portion and described revers turn part.
9. a potentiometer, is characterized in that, comprises the brush of the potentiometer as described in any one in claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320558692.2U CN203406105U (en) | 2013-09-09 | 2013-09-09 | Brush of potentiometer and potentiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320558692.2U CN203406105U (en) | 2013-09-09 | 2013-09-09 | Brush of potentiometer and potentiometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203406105U true CN203406105U (en) | 2014-01-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320558692.2U Expired - Fee Related CN203406105U (en) | 2013-09-09 | 2013-09-09 | Brush of potentiometer and potentiometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203406105U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113363035A (en) * | 2020-03-06 | 2021-09-07 | 启圣电子股份有限公司 | Sliding potentiometer |
| CN113540839A (en) * | 2021-06-22 | 2021-10-22 | 浙江创特新材科技有限公司 | Bent terminal wire and manufacturing method thereof |
-
2013
- 2013-09-09 CN CN201320558692.2U patent/CN203406105U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113363035A (en) * | 2020-03-06 | 2021-09-07 | 启圣电子股份有限公司 | Sliding potentiometer |
| CN113540839A (en) * | 2021-06-22 | 2021-10-22 | 浙江创特新材科技有限公司 | Bent terminal wire and manufacturing method thereof |
| CN113540839B (en) * | 2021-06-22 | 2023-09-15 | 浙江创特新材科技有限公司 | Bending terminal wire and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20200909 |