CN2437022Y - Variable resistor - Google Patents
Variable resistor Download PDFInfo
- Publication number
- CN2437022Y CN2437022Y CN 00242725 CN00242725U CN2437022Y CN 2437022 Y CN2437022 Y CN 2437022Y CN 00242725 CN00242725 CN 00242725 CN 00242725 U CN00242725 U CN 00242725U CN 2437022 Y CN2437022 Y CN 2437022Y
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- China
- Prior art keywords
- connecting elements
- variable resistor
- butt
- rotating seat
- guide card
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a variable resistor. The utility model comprises a base plate and a rotating button, wherein, a resistance zone is formed in the base plate; the rotating button which is arranged on the base plate in a rotating state comprises a connecting member, a rotating seat, an adjusting member, and a guiding sheet, wherein, the connecting member is provided with a first end and a second end, and the first end is telescopically butted with the resistance zone; the connecting member is arranged in the rotating seat, and the adjusting member is clamped with the rotating seat; the guiding sheet which is arranged between the rotating seat and the adjusting member is butted with the second end of the connecting member in a movable method. In the utility model, a vertically variable electric cathode is assembled through an element which is easily assembled. Therefore, the utility model has the advantages that fraction defective can be reduced, and the permanent deformation of parts can not be caused, and reliability can be improved.
Description
The utility model relates to a kind of variable resistor, particularly relates to a kind of variable resistor of assembling easily and guaranteeing quality.
In general, variable resistor is arranged in the electronic component (for example, kickback transformer), and the operator carries out the required variation of electronic component by adjusting variable-resistance resistance.
Fig. 1 shows an existing variable resistor 10, is made of a substrate 11 and a knob 12; Substrate 11 is provided with resistance area 111, takes out 1111 and semicircle path 1112 during resistance area 111 can be divided into, in take out 1111 and 1112 in semicircle path need have a safe distance x1 at least, and in take out 1111 with the external circuit conducting; Knob 12 bottoms are provided with a guide card (spring) 121, and guide card 121 can be divided into one first end points 1211 and one second end points 1212.
Take out 1111 in first end points 1211 of guide card 121 and the resistance area 111 and contact, second end points 1212 of guide card 121 contacts with the semicircle path 1112 of resistance area 111, and second end points 1212 can move along semicircle path 1112.
The operator can pass through turning knob 12, and second end points 1212 is moved and change resistance on semicircle path 1112.
The shortcoming of above-mentioned variable resistor 10 is: because the two-end-point of guide card 121 is a plane formula, under the prerequisite of guaranteeing safe distance x1, its volume-diminished has its limit, and substrate size also can't dwindle again.
Fig. 2 shows another existing variable resistor 20, and it also is made of a substrate 21 and a knob 22; Substrate 21 is provided with resistance area 211, and the semicircle path of resistance area 211 is the center with a center of circle c1, the distance y 2 between center of circle c1 and semicircle path; Knob 22 bottom group are equipped with a pillar 221 and a shell fragment 222, have one first contact 2221 and one second contact 2222 on the shell fragment 222, center of circle c1 butt on its B-C post 221 and the substrate 21, first contact 2221 can move along resistance area 211, second contact 2222 and external circuit conducting.The operator can pass through turning knob 22, and first contact 2221 is moved and change resistance on semicircle path.
As shown in Figure 2, first contact 2221 of above-mentioned variable resistor 20 is stretched out by the knob bottom, second contact 2222 is stretched out by the knob sidepiece, both and contact with each other in the end (not shown), first contact 2221 like this and second contact 2222 are not to be arranged at same plane, but three-dimensional the setting, first contact 2221 to the plan range that contacts with second shell fragment 222 is center of circle c1 to the distance y 2 between semicircle path, can dwindle substrate size with this.
Yet the shortcoming of above-mentioned variable resistor 20 is shell fragment 222 easy deformation, and assembling is difficult, and can't repeat assembling.
The purpose of this utility model is to provide in order to address the above problem a kind of variable resistor, and it can make assembling easily and guarantee quality.
The purpose of this utility model is achieved in that promptly provides a kind of variable resistor, comprising: a substrate forms a resistance area on it; And a knob, rotatably be arranged on this substrate, wherein this knob more comprises: a connecting elements, have one first end and one second end, this first end is with telescopic mode and this resistance area butt; One rotating seat is in order to hold this connecting elements; One adjusts member, engages with this rotating seat; And a guide card, be arranged between this rotating seat and this adjustment member, and with second end of this connecting elements butt in a movable manner.
In the utility model, rotating seat has first through hole and resettlement section again, and adjusts member by first through hole and engage with rotating seat, and the resettlement section is in order to hold connecting elements.Again, to can be second through hole be preferably in the resettlement section.
In the utility model, connecting elements comprises again: with the rivet of resistance area butt; Being arranged at the spring in second through hole around the mode of rivet, and an end and rivet butt; And with the other end of spring and the spheroid of guide card butt.
In the utility model, connecting elements comprises again: be arranged at the spring in second through hole; Be arranged at an end of spring and first spheroid between the guide card; And be arranged at the other end of spring and second spheroid between the substrate.
In the utility model, connecting elements comprises again: the rivet of an end and resistance area butt, and the other end and guide card butt; And to be arranged at the spring in second through hole around the mode of rivet.
In the utility model, guide card has hollow bulb again, uses for adjusting member and passes through.
In the utility model embodiment, a kind of variable resistor that also provides comprises: the substrate that forms resistance area on it; And rotatably be arranged on knob on the substrate, wherein knob more comprises: the connecting elements of an end and resistance area butt; In order to hold the rotating seat of connecting elements; Movably to be arranged on guide card on the rotating seat in the mode of butt with the other end of connecting elements; The adjustment member that engages with rotating seat; And be arranged at guide card and adjust bolster between the member, in order to contacting between buffering connecting elements and the resistance area.
Another executes Shi Lizhong at the utility model, and a kind of variable resistor also is provided, and comprising: the substrate that forms resistance area on it; And rotatably be arranged at knob on the substrate, wherein knob more comprises: an end is with the connecting elements of telescopic mode and resistance area butt; In order to hold the rotating seat of connecting elements; And engage with rotating seat and the adjustment member of butt, its with the one side of rotating seat butt on formation conducting interface, the other end of conducting interface and connecting elements is butt in a movable manner.
The advantage of the utility model device is, the tridimensional structure that it changes existing plane formula structure or utilizes shell fragment to form, and the employing rotating seat, springs etc. are the element of assembling easily, form and have three-dimensional variable resistor, with this reduction in the numbers of seconds, and can not cause the permanent modification of part, improve reliability.
Below in conjunction with accompanying drawing, describe embodiment of the present utility model in detail, wherein:
Fig. 1 is existing variable-resistance schematic diagram;
Fig. 2 is another existing variable-resistance schematic diagram;
Fig. 3 a is the three-dimensional exploded view of variable-resistance first embodiment of the utility model;
Fig. 3 b is the schematic diagram after variable-resistance first embodiment assembling of the utility model;
Fig. 4 a is the schematic diagram of variable-resistance first embodiment of the utility model;
Fig. 4 b is in first embodiment of the present utility model, leading point and rivet pitch from side view;
Fig. 5 is the three-dimensional exploded view of variable-resistance second embodiment of the utility model;
Fig. 6 is the three-dimensional exploded view of variable-resistance the 3rd embodiment of the utility model;
Fig. 7 is the three-dimensional exploded view of variable-resistance the 4th embodiment of the utility model;
Fig. 8 a is the three-dimensional exploded view of variable-resistance the 5th embodiment of the utility model;
Fig. 8 b is the schematic diagram of another form of the utility model rotating seat;
Fig. 9 is the three-dimensional exploded view of variable-resistance the 6th embodiment of the utility model.
The variable resistor 30 of first embodiment of the present utility model is shown in Fig. 3 a, Fig. 3 b, Fig. 4 a and Fig. 4 b, and it is made of a substrate 31 and a knob 32, wherein faces at substrate 31 and forms a resistance area 311 on the surface of knob 32.
Knob 32 is being arranged on the substrate 31 in the mode of rotation on the substrate 31, and it comprises that one adjusts member 321, a guide card 322, a rotating seat 323 and a connecting elements 324.
Connecting elements 324 is with telescopic mode and resistance area 311 butts, in the present embodiment, connecting elements 324 is made of a spring 3241 and a rivet 3242, but the strength that its medi-spring 3241 supply company connection members 324 stretch, an end of rivet 3242 and resistance area 311 butts; For the life-span of protective substrate 31, it is preferably that rivet 3242 is made spherical shape with an end of resistance area 311 butts.
Be respectively equipped with one first through hole 3231 and an accommodation section 3232 (in the present embodiment, with the form appearance of through hole, at following second through hole that is also referred to as) on the rotating seat 323; First through hole, 3231 usefulness are passed for adjusting member 321, and second through hole 3232 is in order to hold connecting elements 324, and in second through hole 3232, spring 3241 is provided with in the mode around rivet 3242.
Adjust member 321 and have a column 3211,, rotate with the rotation of adjusting member 321 with driven rotary seat 323 in order to first through hole 3231 and the engaging with it of passing rotating seat 323, and column 3211 can with aforesaid substrate 31 butts.Guide card 32 is arranged at rotating seat 323 and adjusts between the member 321, and it does not rotate with the rotation of adjusting member 321 and rotating seat 323; The rivet 3242 of guide card 322 and connecting elements 324 is butt in a movable manner, and it has more a hollow bulb 3221 and a lead division 3222, and hollow bulb 3221 passes for column 3211, and lead division 3222 is electrically connected with external circuit (not shown).
Each element of present embodiment variable resistor 30 as mentioned above, it more can comprise an enclosing cover 33, enclosing cover 33 has a substrate placement section 331 and a knob placement section 332, in order to respectively with substrate 31 and combination after knob 32 combinations.
Finish back (in Fig. 3 b and Fig. 4 a, omitting enclosing cover 33) when variable resistor such as Fig. 3 b combination, the user can adjust member 321 by rotation, and it is mobile on resistance area 311 to drive rivet 3242, reaches the resistance value of being wanted with this.
Fig. 4 b show between the contact of leading point 3222 and rivet 3242 and resistance area 311 apart from x3, owing to it is a vertical line, so the distance y 3 between center of circle c2 and semicircle path can be shortened, and can more dwindle substrate 31 sizes with this.
Present embodiment uses spring, rivet to constitute connecting elements, therefore can increase the rich degree of distortion, absorbs assembly error, makes assembling easily, reduction in the numbers of seconds.In addition, in assembling manufacturing process, can not cause the part permanent deformation, improve reliability, and reduce cost.
The variable resistor 40 of the utility model second embodiment as shown in Figure 5, therefore its main composition is identical with first embodiment, omit its explanation, and its corresponding element is marked with corresponding symbol.
The present embodiment and the first embodiment difference are: connecting elements 424 is made of a spheroid 4241, a spring 4242 and a rivet 4243, the effect of its medi-spring 4242, rivet 4243 is identical with first embodiment with set-up mode, but between spring 4242 and guide card 422 (promptly, at spring 4242 in the face of on the end face of guide card 422) set up spheroid 4241 so that connecting elements 424 is more slick and sly when mobile on guide card 422.
The variable resistor 50 of the utility model the 3rd embodiment as shown in Figure 6, therefore its main composition is identical with first embodiment, omit its explanation, and its corresponding element is marked with corresponding symbol.
The present embodiment and the first embodiment difference are: connecting elements 524 is made of one first spheroid 5241, a spring 5242 and one second spheroid 5243, wherein the effect of first spheroid 5241, spring 5242 is identical with second embodiment with set-up mode, but between spring 5242 and substrate 51 (promptly, at spring 5242 in the face of on the end face of substrate 51) rivet that replaces in the foregoing descriptions with second spheroid 5243, its purpose also is to make connecting elements 524 more slick and sly when mobile on substrate 51.
The variable resistor 60 of the 4th embodiment of the present utility model as shown in Figure 7, therefore its main composition is identical with first embodiment, omit its explanation, and its corresponding element is marked with corresponding symbol.
The present embodiment and the first embodiment difference are: set up a pad 625 between guide card 622 and adjustment member 621, this pad 625 has the elastic buffer effect, replace the effect of the foregoing description medi-spring with this, and connecting elements 624 is got final product with a barred body form.
The variable resistor 70 of the 5th embodiment of the present utility model is shown in Fig. 8 a, Fig. 8 b, and its main composition is identical with first embodiment, therefore omit its explanation, and its corresponding element is marked with corresponding symbol.
The present embodiment and the first embodiment difference are: connecting elements 724 is one to be the integral member of body with spring portion 7241, its two ends in spring portion 7241 are one-body molded respectively contact site 7242, end face at contact site 7242 is respectively equipped with circular-arc contact 72421, to contact with guide card 722 and substrate 71 slynesses respectively.
The shape of member 724 is connected, resettlement section 7232 can equally form shown in Fig. 8 b, the direction of arrow of connecting elements 724 from Fig. 8 b is put into rotating seat 723, this moment connecting elements 724 spring portion 7241 stop by catch 72321 that contact site 7242 lays respectively in the breach 72322.
The variable resistor 80 of the 6th embodiment of the present utility model as shown in Figure 9, therefore its main composition is identical with first embodiment, omit its explanation, and its corresponding element is marked with corresponding symbol.
The present embodiment and the first embodiment difference are: in the present embodiment, the guide card of first embodiment is omitted, directly engage and butt but will adjust member 821 with rotating seat 823, and adjust member 821 with the one side of rotating seat 823 butts on form a conducting interface 8212, an end of this conducting interface 8212 and connecting elements 824 is butt in a movable manner.
Conductive materials on the conducting interface can be formed on the surface of adjusting member 821 by mode such as plating, can omit the setting of guide card with this, and can improve the convenience of assembling.
Claims (10)
1. a variable resistor comprises: a substrate, formation one resistance area on it; And a knob, rotatably be arranged on the described substrate, it is characterized in that described knob more comprises: a connecting elements, have one first end and one second end, described first end is with telescopic mode and described resistance area butt; One rotating seat is in order to hold described connecting elements; One adjusts member, engages with described rotating seat; And a guide card, be arranged between described rotating seat and the described adjustment member, and with second end of described connecting elements butt in a movable manner.
2. variable resistor as claimed in claim 1 is characterized in that, described rotating seat has one first through hole and a resettlement section, and described adjustment member engages with described rotating seat by described first through hole, and described resettlement section is in order to hold described connecting elements.
3. variable resistor as claimed in claim 2 is characterized in that, described resettlement section is one second through hole.
4. variable resistor as claimed in claim 3 is characterized in that, described connecting elements comprises: a rivet, with described resistance area butt; One spring is arranged in described second through hole in the mode around described rivet, and an end and described rivet butt; And a spheroid, with the other end and the described guide card butt of described spring.
5. variable resistor as claimed in claim 3 is characterized in that, described connecting elements comprises: a spring is arranged in described second through hole; One first spheroid is arranged between the end and described guide card of described spring; And one second spheroid, be arranged between the other end and described substrate of described spring.
6. variable resistor as claimed in claim 3, wherein said connecting elements comprises: a rivet, an end and described resistance area butt, and the other end and described guide card butt; And a spring, be arranged in described second through hole in mode around described rivet.
7. as claim 4,5 or 6 described variable resistors, it is characterized in that described guide card has a hollow bulb, use for described adjustment member and pass through.
8. variable resistor as claimed in claim 7 is characterized in that it also comprises an enclosing cover, and wherein said enclosing cover has a substrate placement section and a knob placement section, in order to make up with described substrate and described knob respectively.
9. variable resistor as claimed in claim 1 is characterized in that it also comprises a bolster, is arranged between described guide card and the described adjustment member, in order to cushion contacting between described connecting elements and the described resistance area.
10. variable resistor as claimed in claim 1, it is characterized in that, described guide card and described adjustment member are formed in one, and form a conducting interface on the one side of described adjustment member and described rotating seat butt, and second end of described conducting interface and described connecting elements is butt in a movable manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00242725 CN2437022Y (en) | 2000-07-27 | 2000-07-27 | Variable resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00242725 CN2437022Y (en) | 2000-07-27 | 2000-07-27 | Variable resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2437022Y true CN2437022Y (en) | 2001-06-27 |
Family
ID=33602784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00242725 Expired - Fee Related CN2437022Y (en) | 2000-07-27 | 2000-07-27 | Variable resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2437022Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489552A (en) * | 2012-06-07 | 2014-01-01 | 欧姆龙株式会社 | Rotation operation part and electronic device |
-
2000
- 2000-07-27 CN CN 00242725 patent/CN2437022Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489552A (en) * | 2012-06-07 | 2014-01-01 | 欧姆龙株式会社 | Rotation operation part and electronic device |
| CN103489552B (en) * | 2012-06-07 | 2016-03-09 | 欧姆龙株式会社 | Rotary actuator and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |