CN204375517U - Brush variable resistance - Google Patents
Brush variable resistance Download PDFInfo
- Publication number
- CN204375517U CN204375517U CN201520044991.3U CN201520044991U CN204375517U CN 204375517 U CN204375517 U CN 204375517U CN 201520044991 U CN201520044991 U CN 201520044991U CN 204375517 U CN204375517 U CN 204375517U
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- circuit board
- guide rail
- accommodation space
- circuit
- edge guide
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Abstract
The utility model provides a kind of brush variable resistance to comprise a clamshell, a brush circuit module and a manipulation part; Clamshell has a clamshell spacing hole, and be formed with the accommodation space that is communicated in clamshell spacing hole; Brush circuit module is arranged in accommodation space regularly, and comprises a circuit board and a plurality of terminal; Circuit board has a circuit board spacing hole, and the back of circuit board of circuit board is provided with a resistance circuit; A plurality of terminal is arranged at circuit board; Manipulation part is slidably disposed in accommodation space along a direction of operating, and comprises a type thing, at least one metal folding mover and a sliding handle; Metal folding mover is fixed on a type thing front of type thing, and is flexibly connected to resistance circuit; Sliding handle is linked to type thing, and passes from circuit board spacing hole and clamshell spacing hole.Resistance circuit and conducting channel is effectively avoided to cause short circuit because of produce trifling of Long-Time Service.
Description
Technical field
The utility model, about the brush variable resistance of one, refers in particular to one and offer perforation on circuit substrate, and makes inverted metal folding mover can contact the brush variable resistance of the resistance circuit being arranged on the circuit substrate back side.
Background technology
In daily life, often can see the actuation means for adjustment voltage output signal size, such as variable resistance, and variable resistance is distinguished according to the pattern of operation, is broadly divided into rotary type variable resistance and direct slide variable resistance.
Please participate in Fig. 1, Fig. 1 is the perspective exploded view of the direct slide variable resistance of prior art.As shown in Figure 1, a variable resistance PA100 comprises a circuit base PA1, an operational module PA2 and a clamshell PA3.Circuit base PA1 comprises a circuit substrate PA11 and a plurality of terminals P A12.Operational module PA2 comprises a type thing PA21, two metal folding mover PA22, a sliding handle PA23, a shell fragment PA24 and a pad PA25.Type thing PA21 is arranged on circuit substrate PA11 movably along steer direction L.Two metal folding mover PA22 are the back side being arranged on type thing PA21, in order to abut the resistance circuit on circuit substrate PA11.Sliding handle PA23 is arranged on the front of type thing PA21, and shell fragment PA24 and pad PA25 is sequentially arranged in sliding handle PA23.Clamshell PA3 is set in circuit base PA1 regularly, and clamshell PA3 has a spacing perforation PA31 and a plurality of fixed part PA32.Sliding handle PA23 wears out from spacing perforation PA31, and fixed part PA32 is in order to be fixed on circuit base PA1.
It is the generalized section of the direct slide variable resistance of prior art please continue to refer to Fig. 2, Fig. 2.As shown in the figure, the resistance circuit PA111 on circuit substrate PA11 is connected to due to metal folding mover PA22, therefore after variable resistance PA100 uses a period of time, be easy to the resistance circuit PA111 because metal folding mover PA22 rubs and make the carbon dust on resistance circuit PA111 trifling toward both sides accumulation, and due to resistance circuit PA111 often arrange with conducting channel very near, therefore resistance circuit PA111 and conducting channel are easy to produce short circuit because of the trifling accumulation of carbon dust, cause variable resistance PA100 fault.In addition, the carbon dust of accumulation is except likely causing short circuit, and the electric signal that metal folding mover is also easy to make because of the existence of carbon dust to export in the process of movement is abnormal.
On the other hand, because spacing perforation PA31 is open opening, therefore be easy to have foreign matter to fall into and the problem of effect type thing PA21 slip, or pollute the electrical failure problem that circuit substrate PA11 causes because of the inflow of liquid, such as, swill when user eats drops on circuit substrate PA11, and when type thing PA21 moves, swill is easy to be stuck in the manipulation that metal folding mover PA22 causes and has some setbacks problem, or because beverage to be flow to by overturning on circuit substrate PA11 the fault etc. that causes.In addition, after variable resistance uses a period of time, the dust in environment is often accumulated on circuit substrate PA11, and then the situation causing electric component to lose efficacy.
Utility model content
As mentioned above, resistance circuit is mainly arranged on the front of circuit substrate by existing variable resistance, namely end face, and then utilizes metal to roll over the difference of rotor contact resistance circuit position to change the voltage signal of output; But, due to the such as carbon paint of the resistance material in resistance circuit, and carbon paint is rolled over after mover friction repeatedly through metal, often have trifling generation and be piled up in resistance circuit both sides, therefore the conducting channel on resistance circuit side be easy to because touch carbon paint trifling and with resistance circuit conducting, cause the phenomenon of short circuit, or make the electrical output generation anomaly of variable resistance because of the existence of carbon dust.In addition, because prior art is that circuit is arranged on circuit substrate front, add the spacing perforation be positioned at above circuit substrate, therefore Long-Time Service gets off, dust in environment is easy to enter the inner space that can make variable resistance via spacing perforation, and be accumulated on circuit substrate and cause component failure, even because foreign matter drops or the situation such as liquid inflow, make the slip of type thing be subject to foreign matter hinder or circuit pollute by liquid.
Therefore, the purpose of this utility model is for providing a kind of brush variable resistance, resistance circuit is mainly arranged at the back side of circuit board by it, produce trifling that rub make metal folding mover and resistance circuit because can directly drop and can not pile up on circuit boards, avoid producing short circuit between resistance circuit and conducting channel and avoiding because carbon dust causes electrical output abnormal, in addition, because conducting channel and resistance circuit are all arranged on the back side of circuit board, even if therefore have foreign matter or liquid to enter clamshell inside via clamshell spacing hole, also operation and electric property can not be had influence on.
From the above, the utility model be solve necessary technology means that the problem of prior art adopts a kind of brush variable resistance is provided, comprise a clamshell, dual side-edge guide rail, two end holding firmwares, a brush circuit module, manipulate part and a base.
Clamshell has a clamshell spacing hole extended along a direction of operating, and is formed with the accommodation space of a connection at this clamshell spacing hole.Dual side-edge guide rail extends along this direction of operating, and is arranged on symmetrically in this accommodation space.Two end holding firmwares are arranged in this accommodation space symmetrically, and are connected to this dual side-edge guide rail respectively, and this dual side-edge guide rail and this two ends holding firmware are housed in this accommodation space ordinatedly.
Brush circuit module comprises a circuit board and a plurality of terminal.Circuit board is fixed between this dual side-edge guide rail, and has a circuit board spacing hole extended along this direction of operating, and the back of circuit board of this circuit board is provided with a resistance circuit.A plurality of terminal is arranged on this circuit board.
Manipulation part comprises a type thing, at least one metal folding mover and a sliding handle.Type thing is slidably disposed between this dual side-edge guide rail.Metal folding mover is fixed on the type thing front of this type thing, and is flexibly connected to this resistance circuit.Sliding handle is attached at this type thing, and passes from this circuit board spacing hole and this clamshell spacing hole.
Base is connected to this dual side-edge guide rail, and there is a plurality of perforation corresponding to those terminals, those terminals pass from those respectively, and this clamshell is fixed in this base, are fixed in this accommodation space so as to making this dual side-edge guide rail and this two ends holding firmware.
By above-mentioned necessary technology means the attached technological means that derives be, this dual side-edge guide rail respectively comprises a circuit board fixing groove, the both sides of this circuit board fix this circuit board fixing groove at this dual side-edge guide rail respectively, are arranged on regularly in this accommodation space so as to making this circuit board.
By above-mentioned necessary technology means the attached technological means that derives be, this dual side-edge guide rail respectively comprises a type thing guide groove, the both sides of this type thing are arranged on this type thing guide groove of this dual side-edge guide rail respectively movably along this direction of operating, be arranged on regularly in this accommodation space so as to making this circuit board.
By above-mentioned necessary technology means the attached technological means that derives be that this base is attached at this two ends holding firmware one-body moldedly.
A kind of brush variable resistance, comprises a clamshell, a brush circuit module and a manipulation part.Clamshell has a clamshell spacing hole extended along a direction of operating, and is formed with the accommodation space of a connection at this clamshell spacing hole.Brush circuit module is arranged in this accommodation space regularly, and comprises a circuit board and a plurality of terminal.Circuit board has a circuit board spacing hole extended along this direction of operating, and the back of circuit board of this circuit board is provided with a resistance circuit.A plurality of terminal is arranged on this circuit board.Manipulation part is slidably disposed in this accommodation space along this direction of operating, and comprises a type thing, at least one metal folding mover and a sliding handle.Metal folding mover is fixed on the type thing front of this type thing, and is flexibly connected to this resistance circuit.Sliding handle is attached at this type thing, and passes from this circuit board spacing hole and this clamshell spacing hole.
By above-mentioned necessary technology means the attached technological means that derives be, brush variable resistance also comprises dual side-edge guide rail, this dual side-edge guide rail extends along this direction of operating, and be arranged on symmetrically in this accommodation space, and this dual side-edge guide rail respectively comprises a circuit board fixing groove and a type thing guide groove.The both sides of circuit board fixing groove fix this circuit board fixing groove at this dual side-edge guide rail respectively, are arranged on regularly in this accommodation space so as to making this circuit board.The both sides of type thing are arranged on this type thing guide groove of this dual side-edge guide rail respectively movably along this direction of operating, be arranged on regularly in this accommodation space so as to making this circuit board.Preferably, brush variable resistance also comprises two end holding firmwares, is arranged on symmetrically in this accommodation space, and is connected to this dual side-edge guide rail respectively, and this dual side-edge guide rail and this two ends holding firmware are housed in this accommodation space ordinatedly.In addition, brush variable resistance also comprises a base, and this base is connected to this dual side-edge guide rail, and this clamshell is fixed in this base, is fixed in this accommodation space so as to making this dual side-edge guide rail and this two ends holding firmware.Wherein, this base is attached at this two ends holding firmware one-body moldedly, and this base also has a plurality of perforation corresponding to those terminals, and those terminals pass from those respectively.
As mentioned above, by offering the spacing perforation of circuit board on circuit boards, and resistance circuit is arranged on back of circuit board, and metal is rolled over mover be arranged on type thing front, metal can be made to roll over mover and to touch the resistance circuit being arranged on back of circuit board, what therefore metal folding mover and resistance circuit produced because of rubbing triflingly just can directly drop and can not pile up on circuit boards, effectively avoids resistance circuit and conducting channel to cause short circuit because of produce trifling of Long-Time Service.
The specific embodiment that the utility model adopts, by by following embodiment and to be graphicly further described.
Accompanying drawing explanation
Fig. 1 is the perspective exploded view of the direct slide variable resistance of prior art;
Fig. 2 is the generalized section of the direct slide variable resistance of prior art;
The schematic perspective view of the brush variable resistance that Fig. 3 provides for the utility model preferred embodiment;
The perspective exploded view of the brush variable resistance that Fig. 4 provides for the utility model preferred embodiment;
The perspective exploded view at brush another visual angle of variable resistance that Fig. 5 provides for the utility model preferred embodiment;
The schematic perspective view of the brush variable resistance that Fig. 6 provides for the utility model preferred embodiment circuit board wherein and manipulation part; And
The generalized section of the brush variable resistance that Fig. 7 provides for the utility model preferred embodiment circuit board wherein and manipulation part.
Description of reference numerals:
PA100: variable resistance;
PA1: circuit base;
PA2: operational module;
PA3: clamshell;
PA11: circuit substrate;
PA111: resistance circuit;
PA12: terminal;
PA21: type thing;
PA22: metal folding mover;
PA23: sliding handle;
PA24: shell fragment;
PA25: pad;
100: brush variable resistance;
1: clamshell;
11: clamshell spacing hole;
12: extend fixed part;
13: accommodation space;
2,3: side guide;
21,31: circuit board fixing groove;
22,32: type thing guide groove;
4,5: end holding firmware;
6: brush circuit module;
61: circuit board;
611: circuit board front;
612: back of circuit board;
613: circuit board spacing hole;
614: conducting channel;
615: resistance circuit;
62,63: terminal;
7: manipulation part;
71: type thing;
711: type thing front;
72,73: metal folding mover;
74: sliding handle;
L, L1: direction of operating;
8: base;
81: location hole;
82: perforation;
83: base end face.
Embodiment
Refer to Fig. 3 to Fig. 5, the schematic perspective view of the brush variable resistance that Fig. 3 provides for the utility model preferred embodiment; The perspective exploded view of the brush variable resistance that Fig. 4 provides for the utility model preferred embodiment; The perspective exploded view at brush another visual angle of variable resistance that Fig. 5 provides for the utility model preferred embodiment.
As shown in the figure, a kind of brush variable resistance 100, comprises a clamshell 1, the brush circuit module 6, of dual side-edge guide rail 2 and 3, two end holding firmware 4 and 5, manipulates part 7 and a base 8.
Clamshell 1 there is a clamshell spacing hole 11 extended along a direction of operating L1 and ten extend fixed part 12 (only indicating in figure), and be formed with the accommodation space 13 of a connection at clamshell spacing hole 11.
Dual side-edge guide rail 2 and 3 all extends along direction of operating L1, and is arranged on symmetrically in accommodation space 13.Wherein, side guide 2 has circuit board fixing groove 21 and a type thing guide groove 22; Similar, side guide 3 has circuit board fixing groove 31 and a type thing guide groove 32.
Two end holding firmwares 4 and 5 are arranged in accommodation space 13 symmetrically, and are connected to the both sides of dual side-edge guide rail 2 and 3 respectively, and dual side-edge guide rail 2 and 3 and two end holding firmwares 4 and 5 are housed in accommodation space 13 ordinatedly.
Brush circuit module 6 comprises a circuit board 61 and a plurality of terminal (be two the first terminals 62 and four the second terminals 63 in the present embodiment, and all only indicate one in figure).Circuit board 61 is when dual side-edge guide rail 2 and 3 is arranged on accommodation space 13, established by the card of circuit board fixing groove 21 and 31 and be fixed between dual side-edge guide rail 2 and 3, and circuit board 61 has circuit board front 611 and the back of circuit board 612 be oppositely arranged, and circuit board front 611 is towards the clamshell spacing hole 11 of clamshell 1.In addition, circuit board 61 also has a circuit board spacing hole 613 extended along direction of operating L1, and back of circuit board 612 is also provided with two conducting channels 614 (only indicating in figure) and two resistance circuits 615 (only indicating in figure), but be not limited thereto, in other embodiments, conducting channel 614 and resistance circuit 615 also can be each one.Wherein, conducting channel 614 is conductive coating, and resistance circuit 615 is resistive coating, and on practice is used, conductive coating is such as the electroplated coating of the metal such as silver or copper, and resistive coating is the coating of the resistance materials such as carbon.
Two the first terminals 62 are fixedly installed on one end of circuit board 61 with wearing, and two the first terminals 62 are electrically connected at a conducting channel 614 and a resistance circuit 615 all respectively, meaning i.e. each the first terminal 62 is electrically connected at a conducting channel 614 and a resistance circuit 615 all accordingly.
Four the second terminals 63 are fixedly installed on circuit board 61 one end relative to the first terminal 62 with wearing, and four the second terminals 63 respectively electrically connects at two conducting channel 614 and two resistance circuits 615, meaning i.e. two conducting channels 614 and two resistance circuits 615 distinguish accordingly electrically connect at one second terminal 63.In the present embodiment, be one group with a conducting channel 614, resistance circuit 615, the first terminal 62 and two the second terminals 63, namely a first terminal 62 is electrically connected at a conducting channel 614 and a resistance circuit 615, and conducting channel 614 and resistance circuit 615 all distinguish electrically connect at one second terminal 63, and this circuit design is the demand of foundation user and adjusts, therefore be not limited thereto the aspect shown in the present embodiment.
Manipulation part 7 comprises type thing 71, two metal folding mover 72 and 73 and a sliding handle 74.Type thing 71 has one in the face of the type thing front 711 of back of circuit board 612, and type thing 71 is when dual side-edge guide rail 2 and 3 is arranged on accommodation space 13, is slidably disposed between dual side-edge guide rail 2 and 3 by the restriction of type thing guide groove 22 and 32.Metal folding mover 72 and 73 is fixedly installed on type thing front 711, and lay respectively at two symmetrical corners, and metal folding mover 72 and 73 is flexibly connected to one group of conducting channel 614 and resistance circuit 615 respectively, make conducting channel 614 by metal folding mover 72 electrically connect at resistance circuit 615.Sliding handle 74 is linked to type thing 71 regularly, and passes from circuit board spacing hole 613 and clamshell spacing hole 11.
Base 8 is connected to dual side-edge guide rail 2 and 3, and has a plurality of location hole 81, a plurality of perforation 82 and a base end face 83.Location hole 81 is ten (only indicating one in figure) in the present embodiment, and correspond to the location hole 81 extending fixed part 12, location hole 81 can be arranged in so as to making extension fixed part 12, and then make clamshell 1 be fixed in base 8, and extension fixed part 12 wherein has six to be bent sheet, it is being fixed on base end face 83 through bending after location hole 81, and dual side-edge guide rail 2 and 3 and two end holding firmwares 4 and 5 are fixed in accommodation space 13 by base 8 and the combination of clamshell 1, and in the present embodiment, the perforation 82 of base 8 is six (only indicating one in figure), and correspond to the first terminal 62 and the second terminal 63, and the first terminal 62 and the second terminal 63 are arranged in perforation 82 respectively.Wherein, end holding firmware 4 and 5 is be linked to base 8 in the present embodiment one-body moldedly, but be not limited thereto, in other embodiments, end holding firmware 4 and 5 also can be connected in base 8, or be contained in ordinatedly in accommodation space 13 together with 3 with side guide 2, and connect by the end of base 8 and be fixed in accommodation space 13.In addition in the present embodiment, perforation 82 is six, and corresponds to the first terminal 62 and the second terminal 63, and the first terminal 62 and the second terminal 63 oneself bores a hole and 82 to pass respectively.
Please consult Fig. 6 and Fig. 7 further, the schematic perspective view of the brush variable resistance that Fig. 6 provides for the utility model preferred embodiment circuit board wherein and manipulation part; The generalized section of the brush variable resistance that Fig. 7 provides for the utility model preferred embodiment circuit board wherein and manipulation part.As shown in the figure, because conducting channel 614 and resistance circuit 615 are arranged on back of circuit board 612, and metal folding mover 72 and 73 is fixedly installed on type thing front 711, therefore the circuit board spacing hole 613 of circuit board 61 is fed through by sliding handle 74, metal can be made to roll over mover 72 and 73 and to be connected to conducting channel 614 and resistance circuit 615, when user is moved around along dual side-edge guide rail 2 and 3 in accommodation space 13 by sliding handle 74 control type thing 71, conducting channel 614 and resistance circuit 615 because rolling over the friction of mover 72 and 73 by metal trifling meeting of dropping directly under drop and can not be accumulated on circuit board 61, therefore the short circuit phenomenon that conducting channel 614 causes because of trifling accumulation with resistance circuit 615 can effectively be avoided.Specifically the 7th figure is generalized section, between type thing 71 and side guide 2 and 3, simplified partial is had to represent.
In addition, because conducting channel 614 and resistance circuit 615 are arranged on back of circuit board 612, therefore when the liquid such as foreign matter or beverage such as swill are entered in accommodation space 13 by clamshell spacing hole 11 because of carelessness, foreign matter and beverage drop on the circuit board front 611 not arranging circuit, and the conducting channel 614 being arranged on back of circuit board 612 then can not be affected with resistance circuit 615; On the other hand, after brush variable resistance 100 uses a period of time, although having dust enters in accommodation space 13 via clamshell spacing hole 11, dust can be deposited in circuit board front 611, therefore also can not have influence on the running of conducting channel 614 and resistance circuit 615.
In sum, variable resistance compared to prior art is front resistance circuit being arranged on circuit substrate, therefore can produce trifling when metal folding mover friction resistance circuit, and trifling accumulation also can cause producing between resistance circuit and conducting channel short circuit phenomenon; Brush variable resistance of the present utility model utilizes to offer the spacing perforation of circuit board on circuit boards, and resistance circuit is arranged on back of circuit board, and metal is rolled over mover be arranged on type thing front, metal can be made to roll over mover and to touch the resistance circuit being arranged on back of circuit board, what therefore metal folding mover and resistance circuit produced because of rubbing triflingly just can directly drop and can not pile up on circuit boards, effectively avoids resistance circuit and conducting channel to cause short circuit because of produce trifling of Long-Time Service.In addition, because conducting channel of the present utility model and resistance circuit are all arranged on back of circuit board, if when therefore having foreign matter or liquid to enter accommodation space via clamshell spacing hole, also the running of circuit can not be had influence on, and the dust in environment also only can be deposited in circuit board front, the same running that can not have influence on circuit.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (8)
1. a brush variable resistance, is characterized in that, comprises:
One clamshell, has a clamshell spacing hole extended along a direction of operating, and is formed with the accommodation space that is communicated in this clamshell spacing hole;
Dual side-edge guide rail, extends along this direction of operating, is arranged in this accommodation space symmetrically;
Two end holding firmwares, are arranged in this accommodation space symmetrically, and are connected to this dual side-edge guide rail respectively, make this dual side-edge guide rail and this two ends holding firmware be housed in this accommodation space ordinatedly;
One brush circuit module, comprises:
One circuit board, is fixed between this dual side-edge guide rail, and has a circuit board spacing hole extended along this direction of operating, and a back of circuit board of this circuit board is provided with a resistance circuit; And
A plurality of terminal, is arranged at this circuit board;
One manipulation part, comprises:
One type thing, is slidably disposed between this dual side-edge guide rail;
At least one metal folding mover, is fixed on a type thing front of this type thing, and is flexibly connected to this resistance circuit; And
One sliding handle, is linked to this type thing, and passes from this circuit board spacing hole and this clamshell spacing hole; And
One base, be connected to this dual side-edge guide rail, and have a plurality of perforation corresponding to those terminals, those terminals pass from those respectively, and this clamshell is fixed in this base, be fixed in this accommodation space so as to making this dual side-edge guide rail and this two ends holding firmware.
2. brush variable resistance according to claim 1, it is characterized in that, this dual side-edge guide rail respectively comprises a circuit board fixing groove, and the both sides of this circuit board fix this circuit board fixing groove at this dual side-edge guide rail respectively, is arranged on regularly in this accommodation space so as to making this circuit board.
3. brush variable resistance according to claim 1, it is characterized in that, this dual side-edge guide rail respectively comprises a type thing guide groove, the both sides of this type thing are arranged on this type thing guide groove of this dual side-edge guide rail respectively movably along this direction of operating, be fixedly arranged in this accommodation space so as to making this circuit board.
4. a brush variable resistance, is characterized in that, comprises:
One clamshell, has a clamshell spacing hole extended along a direction of operating, and is formed with the accommodation space that is communicated in this clamshell spacing hole;
One brush circuit module, is arranged on regularly in this accommodation space, and comprises:
One circuit board, have a circuit board spacing hole extended along this direction of operating, and a back of circuit board of this circuit board is provided with a resistance circuit; And
A plurality of terminal, is arranged on this circuit board; And
One manipulation part, is slidably disposed in this accommodation space along this direction of operating, and comprises:
One type thing;
At least one metal folding mover, is fixed on a type thing front of this type thing, and is flexibly connected to this resistance circuit; And
One sliding handle, is linked to this type thing, and passes from this circuit board spacing hole and this clamshell spacing hole.
5. brush variable resistance according to claim 4, is characterized in that, also comprises dual side-edge guide rail, and this dual side-edge guide rail extends along this direction of operating, and is arranged on symmetrically in this accommodation space, and this dual side-edge guide rail respectively comprises:
One circuit board fixing groove, the both sides of this circuit board fix this circuit board fixing groove at this dual side-edge guide rail respectively, are arranged in this accommodation space regularly so as to making this circuit board; And
One type thing guide groove, the both sides of this type thing are arranged on this type thing guide groove of this dual side-edge guide rail respectively movably along this direction of operating, be arranged on regularly in this accommodation space so as to making this circuit board.
6. brush variable resistance according to claim 5, it is characterized in that, also comprise two end holding firmwares, be arranged in this accommodation space symmetrically, and be connected to this dual side-edge guide rail respectively, this dual side-edge guide rail and this two ends holding firmware are housed in this accommodation space ordinatedly.
7. brush variable resistance according to claim 6, it is characterized in that, also comprise a base, this base is connected to this dual side-edge guide rail, and this clamshell is fixed in this base, be fixed in this accommodation space so as to making this dual side-edge guide rail and this two ends holding firmware.
8. brush variable resistance according to claim 7, is characterized in that, this base also has a plurality of perforation corresponding to those terminals, and those terminals pass from those respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520044991.3U CN204375517U (en) | 2015-01-22 | 2015-01-22 | Brush variable resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520044991.3U CN204375517U (en) | 2015-01-22 | 2015-01-22 | Brush variable resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204375517U true CN204375517U (en) | 2015-06-03 |
Family
ID=53331713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520044991.3U Withdrawn - After Issue CN204375517U (en) | 2015-01-22 | 2015-01-22 | Brush variable resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204375517U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869809A (en) * | 2015-01-22 | 2016-08-17 | 台湾艾华电子工业股份有限公司 | Inverted brushing variable resistor |
-
2015
- 2015-01-22 CN CN201520044991.3U patent/CN204375517U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869809A (en) * | 2015-01-22 | 2016-08-17 | 台湾艾华电子工业股份有限公司 | Inverted brushing variable resistor |
| CN105869809B (en) * | 2015-01-22 | 2017-11-03 | 台湾艾华电子工业股份有限公司 | Brush variable resistance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150603 Effective date of abandoning: 20171103 |