CN202839184U - Straight slide type variable resistor - Google Patents
Straight slide type variable resistor Download PDFInfo
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- CN202839184U CN202839184U CN 201220548573 CN201220548573U CN202839184U CN 202839184 U CN202839184 U CN 202839184U CN 201220548573 CN201220548573 CN 201220548573 CN 201220548573 U CN201220548573 U CN 201220548573U CN 202839184 U CN202839184 U CN 202839184U
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- sliding
- variable resistance
- direct slide
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Abstract
The utility model relates to a straight slide type variable resistor. The straight slide type variable resistor comprises a base and a resistor adjustment assembly, wherein the base comprises a base plate, a conductive circuit, a resistance circuit and a plurality of insulating layers, the base plate is provided with a first side edge and a second side edge, the conductive circuit and the resistance circuit are alternatively distributed on the base plate along the same extension direction, and the insulating layers are distributed on the first side edge and the second side edge along the extension direction; and the resistor adjustment assembly comprises a sliding object, a plurality of support parts and a conductive contact piece, wherein the support parts stretch out towards the base plate from the sliding object, and correspondingly butt against the insulating layers, and the conductive contact piece is fixedly arranged on the sliding object, and is electrically connected with the conductive circuit and the resistance circuit. By virtue of the support parts butting against the insulating layers, the frictional resistance, which is generated when the resistor adjustment assembly moves back and forth along the extension direction, can be reduced.
Description
Technical field
The utility model is about a kind of direct slide variable resistance, refers to especially the direct slide variable resistance of the frictional resistance when a kind of utilization is laid in insulating barrier on the substrate and reduces resistance and adjust assembly and move.
Background technology
In daily life, in order to satisfy people's all needs in life, often need to utilize a kind of electromechanical integration device to come various electronic equipments are controlled.And for the electromechanical integration device, formed by mechanical structure and control circuit often, for the electrical output parameter of effective control circuit, tend to and need to carry out necessary adjustment to mechanical structure.
In these electrical parameters, the most often be adjusted with what control to be exactly voltage and electric current, wherein, for adjustment and the control of voltage, to utilize often the resistance in the circuit is carried out necessary adjustment, reach so as to the technological means of utilizing dividing potential drop and decompression.In the situation that the demand to resistance adjustment and control increases day by day, various variable resistances are just taken advantage of a situation and are given birth to, such as rotary variable resistor and direct slide variable resistance etc.
With regard to the direct slide variable resistance, it normally is applied in the volume control of stereo set, or the accurate position of other electronic equipments, power control etc.
In existing direct slide variable resistance, mainly adjusting assembly by circuit substrate and resistance is formed, circuit substrate is printed with strip circuit and resistance circuit to I haven't seen you for ages, resistance is adjusted assembly and then is provided with the metal guide brush and is communicated with strip circuit and resistance circuit, comes potential difference between adjusting resistance circuit and the strip circuit two ends so as to the movement that utilizes resistance to adjust assembly.
From the above, because in the structure of direct slide variable resistance, resistance to be adjusted assembly can be arranged on the substrate along glide direction with moving around, the metal guide brush contact that makes resistance adjust assembly is arranged on strip circuit and the resistance circuit on the substrate, and moves around to adjust the formed circuit of metal guide brush by what resistance was adjusted assembly.Wherein, come backwash moving in order to make the metal guide brush at resistance circuit and strip circuit, normally the metal guide brush is arranged on the sliding-type thing, the sliding-type thing then is connected on the substrate, in order to bear the main frictional force between resistance adjustment assembly and the substrate.Yet, when the user when mobile resistance is adjusted assembly, friction meeting between sliding-type thing and the circuit substrate is directly reacted on user's operating handle, and because the circuit substrate surface is very coarse, tend to allow the user feel that operation has some setbacks, namely the direct slide variable resistance tends to very have some setbacks because of excessive the causing in the operation of the frictional force between sliding-type thing and the circuit substrate in operation.
This shows that above-mentioned existing direct slide variable resistance obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem of its existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, finished by development but have no for a long time applicable design always, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious wish of relevant dealer solves.
Summary of the invention
Main purpose of the present utility model is to provide a kind of new direct slide variable resistance, and it utilizes insulating barrier to reduce resistance and adjusts frictional force between assembly and the substrate.
The purpose of this utility model and to solve its technical problem be to adopt following technical scheme to realize.A kind of direct slide variable resistance of the utility model comprises pedestal and resistance and adjusts assembly.And pedestal comprises substrate, conducting channel, resistance circuit and a plurality of insulating barrier.Substrate has first side and the second side that is oppositely arranged; Conducting channel is laid on the substrate along bearing of trend; Resistance circuit is laid on the substrate along bearing of trend, and alternate each other with conducting channel; Insulating barrier is laid in first side and second side along bearing of trend.Resistance is adjusted assembly can be arranged at pedestal along bearing of trend with moving around, and comprises sliding-type thing and conductive contact film.The support portion stretches out towards substrate from the sliding-type thing, and is connected to insulating barrier accordingly; Conductive contact film is fixedly arranged on the sliding-type thing, and has a plurality of conduction brush, and conduction brush is contacted with respectively conducting channel and resistance circuit accordingly, is electrically connected at resistance circuit so as to making conducting channel.Wherein, be connected to insulating barrier by the support portion, the drag reduction when resistance adjustment assembly is moved.
The purpose of this utility model and solve its technical problem and can also be further achieved by the following technical measures.
Better, aforesaid direct slide variable resistance, wherein said a plurality of insulating barriers are laid on this substrate one-body moldedly, and this conducting channel and this resistance circuit be laid on described a plurality of insulating barrier, and expose insulating barrier, are connected to insulating barrier so as to making the support portion.The design of insulating barrier must be laid with the back and forth extension sliding trace of the support portion of sliding-type thing.
Better, aforesaid direct slide variable resistance, wherein this resistance adjustment assembly more comprises sliding handle, and it is fixedly arranged on this sliding-type thing, moves around along this bearing of trend so as to control this resistance adjustment assembly for the user.
Better, aforesaid direct slide variable resistance, wherein this pedestal more comprises enclosing cover, it is sheathed on this substrate regularly, and have along the stopper slot of this bearing of trend extension, and this sliding handle is arranged in this stopper slot, moves around along this bearing of trend between this substrate and this enclosing cover so as to making this resistance adjust assembly.
Better, aforesaid direct slide variable resistance, wherein this resistance adjustment assembly more comprises shell fragment and pad, and this shell fragment is sheathed on this sliding handle and is connected to this sliding-type thing, and this pad is sheathed on this sliding handle and is connected to this shell fragment and this enclosing cover.
Better, aforesaid direct slide variable resistance, wherein this substrate more offers at least one and engages recessed edge, and this enclosing cover more comprises the engaging folding pin that at least one engages recessed edge in order to be sticked in this.
Better, aforesaid direct slide variable resistance, wherein this substrate has more first end and the second end that is oppositely arranged, and it is adjacent to respectively this first side and this second side, and this conducting channel and this resistance circuit extend to this second end from this first end along this bearing of trend respectively.
Better, aforesaid direct slide variable resistance, wherein this direct slide variable resistance more comprises at least one input terminal and at least two lead-out terminals, this input terminal is arranged at this first end, and be electrically connected at this conducting channel and this resistance circuit one of them, this lead-out terminal be arranged at this first end and this second end wherein at least one, and be electrically connected at respectively this conducting channel and this resistance circuit.
Better, aforesaid direct slide variable resistance, wherein this input terminal and lead-out terminal are that riveted joint ground is fixed in this substrate.
Better, aforesaid direct slide variable resistance, wherein this sliding-type thing more comprises the reference column that stretches out towards this substrate, this conductive contact film offers location hole corresponding to this reference column, so as to the mutually positioning binding of this sliding-type thing.
By technique scheme, the utility model direct slide variable resistance has following advantages and beneficial effect at least: this insulating barrier is laid on the substrate, and make the support portion of sliding-type thing be connected to insulating barrier, therefore can reduce the frictional force between sliding-type thing and the substrate, and then the frictional resistance when reducing resistance and adjusting assembly and move along bearing of trend, the smooth degree when operating so as to effective lifting user.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above and other purpose of the present utility model, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and the cooperation accompanying drawing, be described in detail as follows.
Description of drawings
Fig. 1 is the direct slide variable resistance schematic perspective view that shows that the utility model preferred embodiment provides.
Fig. 2 is the direct slide variable resistance exploded perspective schematic diagram that shows that the utility model preferred embodiment provides.
Fig. 3 is the schematic perspective view that shows resistance adjustment assembly.
Fig. 4 is the floor map of display base plate.
[main element symbol description]
100: direct slide variable resistance 1: pedestal
11: substrate 111: first side
112: second side 113: first end
12a, 12b: conducting channel 13a, 13b: resistance circuit
14a, 14b: insulating barrier 15: enclosing cover
151: stopper slot 152: engaging folding pin
2: resistance is adjusted assembly 21: the sliding-type thing
211: reference column 23: conductive contact film
22a, 22b, 22c, 22d: support portion
232: the second conduction brush of 231: the first conduction brush
233: location hole 24: sliding handle
25: shell fragment 26: pad
3a, 3b: input terminal L: bearing of trend
4a, 4b, 4c, 4d: lead-out terminal
Embodiment
Be to reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the utility model, below in conjunction with accompanying drawing and preferred embodiment, to according to a kind of its embodiment of direct slide variable resistance, structure, feature and the effect thereof that the utility model proposes, be described in detail as follows.
See also Fig. 1 to Fig. 4, Fig. 1 is the direct slide variable resistance schematic perspective view that shows that the utility model preferred embodiment provides; Fig. 2 is the direct slide variable resistance exploded perspective schematic diagram that shows that the utility model preferred embodiment provides; Fig. 3 is the schematic perspective view that shows resistance adjustment assembly; Fig. 4 is the floor map of display base plate.As shown in the figure, a kind of direct slide variable resistance 100 comprises pedestal 1, resistance and adjusts assembly 2, two input terminal 3a, 3b and four lead- out terminal 4a, 4b, 4c, 4d.Pedestal 1 comprises substrate 11, two conducting channel 12a, 12b, two resistance circuit 13a, 13b, two insulating barrier 14a, 14b and enclosing cover 15.
Conducting channel 12a is laid on the substrate 11 along bearing of trend L, and resistance circuit 13a is laid on the substrate 11 along bearing of trend L, and resistance circuit 13a is alternate each other with conducting channel 12a.And conducting channel 12b and the similar conducting channel 12a of the configuration mode of resistance circuit 13b and resistance circuit 13a, so do not add superfluous words at this.In addition, conducting channel 12a, 12b be such as being to be printed on the substrate 11 by the metallic conductions such as silver lacquer lacquers to form, resistance circuit 13a, 13b then be metallic conduction coat with lacquer be printed on the substrate 11 after, again carbon is coated with lacquer constant resistance and coats with lacquer to be printed on the conductive paint and form.
Insulating barrier 14a, 14b are laid in respectively first side 111 and second side 112 along bearing of trend L.Wherein, insulating barrier 14a, 14b are that the mode of printing is coated with one-body moldedly and is arranged on the substrate 11, and conducting channel 12a and resistance circuit 13a also are coated with in the mode of printing and are arranged on insulating barrier 14a, the 14b, and expose insulating barrier 14a, 14b.Yet, in other embodiments, but insulating barrier 14a, 14b also are coated on respectively first side 111 and second side 112, and are not limited to that present embodiment is described to be laid one-body moldedly, be that insulating barrier 14a, 14b can independently separate, be not limited to one-body molded.
Enclosing cover 15 has stopper slot 151 and engages folding pin 152 (only indicating among the figure) with six, stopper slot 151 extends along bearing of trend L, engaging folding pin 152 corresponds respectively to the recessed edge 115 of engaging, and be sticked in the mode of bending (engaging among figure folding pin for not bending state) and engage recessed edge 115, be sheathed on regularly on the substrate 11 so as to making enclosing cover 15.
Resistance is adjusted assembly 2 and is comprised sliding-type thing 21, four support portion 22a, 22b, 22c, 22d, conductive contact film 23, sliding handle 24, shell fragment 25 and pads 26.
Sliding-type thing 21 comprises four reference columns 211 that stretch out towards substrate 11 (only indicating among the figure). Support portion 22a, 22b, 22c, 22d stretch out towards substrate 11 from sliding-type thing 21, and support portion 22a, 22b corresponding be connected to insulating barrier 14a, and support portion 22c, 22d correspondence are connected to insulating barrier 14b.Wherein, because sliding-type thing 21 moves around along bearing of trend L, so the sliding trace that support portion 22a, 22b move around is corresponding to insulating barrier 14a, and the sliding trace that support portion 22c, 22d move around is then corresponding to insulating barrier 14b.On practice, insulating barrier 14a, 14b are the sliding trace design formings that move around with support portion 22a, 22b, 22c, 22d.In addition, support portion 22a, 22b, 22c, 22d also link one-body moldedly and form single support portion, and are not limited to the described a plurality of support portions of present embodiment.
Sliding handle 24 is fixedly arranged on the sliding-type thing 21, and wears out from stopper slot 151, moves around along bearing of trend L so as to utilize sliding handle 24 controlling resistances to adjust assembly 2 for the user.Wherein, when resistance adjustment assembly 2 moved around along bearing of trend L, resistance is adjusted between assembly 2 and the substrate 11 can be connected to insulating barrier 14a, 14b accordingly by support portion 22a, 22b, 22c, 22d, and then effectively reduces the frictional resistance when moving.
Shell fragment 25 is sheathed on sliding handle 24 and is connected to sliding-type thing 21, and pad 26 is sheathed on sliding handle 24 and be connected to shell fragment 25 and enclosing cover 15.Wherein, be arranged between sliding-type thing 21 and the enclosing cover 15 frictional resistance in the time of can effectively reducing resistance and adjust assembly 2 and move by shell fragment 25 and pad 26.
As mentioned above, resistance is adjusted assembly 2 and is arranged between pedestal 1 and the enclosing cover 15, and sliding handle 24 is moved around along bearing of trend L in that stopper slot 151 is interior.
Input terminal 3a is arranged in first end 113 with riveting, and is electrically connected at resistance circuit 13a; Input terminal 3b is arranged in the second end 114 with riveting, and is electrically connected at resistance circuit 13b.Lead-out terminal 4a, 4b are arranged in the second end 114 with riveting, and are electrically connected at respectively resistance circuit 13a and conducting channel 12a; Lead-out terminal 4c, 4d are arranged in first end 113 with riveting, and are electrically connected at respectively resistance circuit 13b and conducting channel 12b.
From the above, input terminal 3a, 3b and lead-out terminal 4a, 4b, 4c, 4d are inserted on the circuit board.Wherein, take resistance circuit 13a and conducting channel 12a as example, at first the electric current on the circuit board is to flow to resistance circuit 13a via input terminal 3a, and by conductive contact film 23 resistance circuit 13a is electrically connected at conducting channel 12a, therefore the electric current that flow to resistance circuit 13a by input terminal 3a can flow out via lead-out terminal 4a, 4b, and owing to be coated with resistance paint on the resistance circuit 13a, so that can being subject to resistance adjustment assembly 2, the current potential of lead-out terminal 4a, 4b changes along moving around of bearing of trend L.
On practice, owing to the configuration mode of conducting channel, resistance circuit, input terminal and lead-out terminal more can change according to user's demand, for example input terminal is arranged at conducting channel, is arranged at resistance circuit and be not limited to the described input terminal of present embodiment.
Because direct slide variable resistance provided by the utility model is to be laid with insulating barrier at substrate, and the support portion that resistance is adjusted assembly is connected on the insulating barrier accordingly, when therefore resistance adjustment assembly moves around along bearing of trend, can reduce resistance by insulating barrier and adjust frictional force between assembly and the substrate, resistance when effectively minimizing resistance adjustment assembly moves, so that the movement of resistance adjustment assembly is more smooth, so as to increasing operational smooth degree.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet be not to limit the utility model, any those skilled in the art, within not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, any simple modification that foundation technical spirit of the present utility model is done above embodiment, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. direct slide variable resistance is characterized in that it comprises:
Pedestal, it comprises:
Substrate has the first side and the second side that are oppositely arranged;
Conducting channel is laid on this substrate along bearing of trend;
Resistance circuit is laid on this substrate along this bearing of trend, and alternate each other with this conducting channel; And
A plurality of insulating barriers are laid in this first side and this second side along this bearing of trend; And
Resistance is adjusted assembly, is arranged at this pedestal along this bearing of trend, and comprises:
The sliding-type thing;
A plurality of support portions, this sliding-type thing stretches out towards this substrate certainly, and is connected to accordingly described a plurality of insulating barrier; And
Conductive contact film, it is fixedly arranged on this sliding-type thing, and has a plurality of conduction brush, and described a plurality of conduction brush are contacted with respectively this conducting channel and this resistance circuit accordingly.
2. direct slide variable resistance according to claim 1, it is characterized in that, wherein said a plurality of insulating barrier is laid on this substrate one-body moldedly, and this conducting channel and this resistance circuit be laid on described a plurality of insulating barrier, and exposes described a plurality of insulating barrier.
3. direct slide variable resistance according to claim 1 is characterized in that, wherein this resistance adjustment assembly more comprises sliding handle, and it is fixedly arranged on this sliding-type thing.
4. direct slide variable resistance according to claim 3 is characterized in that, wherein this pedestal more comprises enclosing cover, and it is sheathed on this substrate regularly, and has the stopper slot that extends along this bearing of trend, and this sliding handle is arranged in this stopper slot.
5. direct slide variable resistance according to claim 4, it is characterized in that, wherein this resistance adjustment assembly more comprises shell fragment and pad, and this shell fragment is sheathed on this sliding handle and is connected to this sliding-type thing, and this pad is sheathed on this sliding handle and is connected to this shell fragment and this enclosing cover.
6. direct slide variable resistance according to claim 4 is characterized in that, wherein this substrate more offers at least one and engages recessed edge, and this enclosing cover more comprises at least one engaging folding pin.
7. direct slide variable resistance according to claim 1, it is characterized in that, wherein this substrate has more first end and the second end that is oppositely arranged, it is adjacent to respectively this first side and this second side, and this conducting channel and this resistance circuit extend to this second end from this first end along this bearing of trend respectively.
8. direct slide variable resistance according to claim 7, it is characterized in that, wherein this direct slide variable resistance more comprises at least one input terminal and at least two lead-out terminals, this input terminal is arranged at this first end, and be electrically connected at this conducting channel and this resistance circuit one of them, this lead-out terminal be arranged at this first end and this second end wherein at least one, and be electrically connected at respectively this conducting channel and this resistance circuit.
9. direct slide variable resistance according to claim 8 is characterized in that, wherein this input terminal and lead-out terminal are that riveted joint ground is fixed in this substrate.
10. direct slide variable resistance according to claim 1 is characterized in that, wherein this sliding-type thing more comprises the reference column that stretches out towards this substrate, and this conductive contact film offers location hole corresponding to this reference column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220548573 CN202839184U (en) | 2012-10-24 | 2012-10-24 | Straight slide type variable resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220548573 CN202839184U (en) | 2012-10-24 | 2012-10-24 | Straight slide type variable resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202839184U true CN202839184U (en) | 2013-03-27 |
Family
ID=47950828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220548573 Expired - Fee Related CN202839184U (en) | 2012-10-24 | 2012-10-24 | Straight slide type variable resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202839184U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456442A (en) * | 2013-09-04 | 2013-12-18 | 余姚市科仪光仪有限公司 | Sliding rheostat |
-
2012
- 2012-10-24 CN CN 201220548573 patent/CN202839184U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456442A (en) * | 2013-09-04 | 2013-12-18 | 余姚市科仪光仪有限公司 | Sliding rheostat |
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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 |
Granted publication date: 20130327 Termination date: 20141024 |
|
| EXPY | Termination of patent right or utility model |