CN203910121U - Sliding rheostat teaching aid - Google Patents
Sliding rheostat teaching aid Download PDFInfo
- Publication number
- CN203910121U CN203910121U CN201420300595.8U CN201420300595U CN203910121U CN 203910121 U CN203910121 U CN 203910121U CN 201420300595 U CN201420300595 U CN 201420300595U CN 203910121 U CN203910121 U CN 203910121U
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- CN
- China
- Prior art keywords
- holder
- teaching aid
- rheostat
- sliding rheostat
- support
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Abstract
The utility model discloses a sliding rheostat teaching aid, which comprises a ceramic cylinder, a sliding rheostat bracket, a sliding piece, a metal rod, connector lugs, a fixed base and a protective cover, wherein the ceramic cylinder and the metal rod are fixedly installed on the sliding rheostat bracket, the sliding piece is connected and arranged between the ceramic cylinder and the metal rod, both ends of the ceramic cylinder and both ends of the metal rod are provided with the connector lugs respectively, the lower ends of the sliding rheostat bracket are provided with bracket plug pins respectively, the fixed base is provided with card plugging slots, the bracket plug pins are plugged in the card plugging slots so as to be capable of fixing the siding rheostat bracket on the fixed base, the outer side of the upper end face of the fixed base is provided with a circular groove, and the protective cover is connected to the circular groove so as to be covered on the fixed base. According to the mode disclosed by the utility model, the sliding rheostat teaching aid can provide a more stable and safer operating environment for a sliding rheostat, and enables the sliding rheostat to be safer and more stable when used in an experiment.
Description
Technical field
The utility model relates to experiment teaching aid articles for use field, particularly relates to a kind of sliding rheostat teaching aid.
Background technology
Slide rheostat is a critical elements in circuit, and it can change by the position of mobile slide plate the resistance of self, thereby plays the effect of control circuit.In circuit analysis, slide rheostat both can be used as a fixed value resistance, also can be used as a resistance-changing resistor.The formation of slide rheostat generally comprises five parts such as binding post, slide plate, resistance wire, Metallic rod and porcelain cylinder.Slide rheostat is through being usually used in education experiment, it is a very common experimental tool, but traditional slide rheostat lacks the design on security and stability, long-term experiment can affect to its precision after using, and finally has influence on experimental result and quality of instruction.
Utility model content
The technical matters that the utility model mainly solves is to provide a kind of sliding rheostat teaching aid, can, when carrying out slide rheostat education experiment, provide safer stable environment for use.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of sliding rheostat teaching aid is provided, comprise: porcelain cylinder, slide rheostat support, slide plate, Metallic rod, connector lug, holder and protective cover, described porcelain cylinder and described Metallic rod are fixedly installed on described slide rheostat support, described slide plate is connected between described porcelain cylinder and described Metallic rod, described porcelain cylinder and described Metallic rod two ends are equipped with described connector lug, described slide rheostat support lower end is provided with support inserting foot, on described holder, offer card slot, described support inserting foot and described card slot are pegged graft and described slide rheostat support can be fixed on described holder, outside, described holder upper surface is provided with ring groove, described protective cover connects described ring groove and is covered on described holder.
In preferred embodiment of the utility model, in described card slot, be provided with extrusion elastic, described extrusion elastic is located at described card slot two ends, and described support inserting foot is plugged between described extrusion elastic.
In preferred embodiment of the utility model, described Metallic rod and described porcelain cylinder opposing parallel arrange.
In preferred embodiment of the utility model, described holder and described protective cover are square body.
In preferred embodiment of the utility model, described holder and described protective cover are made by ambroin.
The beneficial effects of the utility model are: the utility model can provide the operating environment of more firm safety for slide rheostat, make when experiment is used safety and steady more.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also according to these accompanying drawings, obtain other accompanying drawing, wherein:
Fig. 1 is the structural representation of the utility model sliding rheostat teaching aid one preferred embodiment;
Fig. 2 is the structural representation of described card slot one preferred embodiment;
In accompanying drawing, the mark of each parts is as follows: 1, porcelain cylinder; 2, slide rheostat support; 3, slide plate; 4, Metallic rod; 5, connector lug; 6, holder; 7, protective cover; 8, support inserting foot; 9, card slot; 10, ring groove; 11, extrusion elastic.
Embodiment
Below the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making all other embodiment that obtain under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 and Fig. 2, the utility model embodiment comprises:
A kind of sliding rheostat teaching aid, comprise: porcelain cylinder 1, slide rheostat support 2, slide plate 3, Metallic rod 4, connector lug 5, holder 6 and protective cover 7, described porcelain cylinder 1 and described Metallic rod 4 are fixedly installed on described slide rheostat support 2, described slide plate 3 is connected between described porcelain cylinder 1 and described Metallic rod 4, described porcelain cylinder 1 and described Metallic rod 4 two ends are equipped with described connector lug 5, described slide rheostat support 2 lower ends are provided with support inserting foot 8, on described holder 6, offer card slot 9, described support inserting foot 8 is pegged graft and described slide rheostat support 2 can be fixed on described holder 6 with described card slot 9, described holder 6 outsides, upper surface are provided with ring groove 10, described protective cover 7 connects described ring groove 10 and is covered on described holder 6.
In addition, in described card slot 9, be provided with extrusion elastic 11, described extrusion elastic 11 is located at described card slot 9 two ends, and described support inserting foot 8 is plugged between described extrusion elastic 11.
In addition, described Metallic rod 4 and described porcelain cylinder 1 opposing parallel setting.
In addition, described holder 6 and described protective cover 7 are square body.
In addition, described holder 6 is made by ambroin with described protective cover 7.
Principle of work of the present utility model is for to be fixedly installed in porcelain cylinder 1 and Metallic rod 4 on slide rheostat support 2, Metallic rod 4 and the 1 opposing parallel setting of porcelain cylinder, and slide plate 3 is connected between porcelain cylinder 1 and Metallic rod 4, and porcelain cylinder 1 and Metallic rod 4 two ends are equipped with connector lug 5.
Slide rheostat support 2 lower ends are provided with support inserting foot 8, on holder 6, offer card slot 9, in card slot 9, be provided with extrusion elastic 11, extrusion elastic 11 is located at card slot 9 two ends, support inserting foot 8 is plugged between extrusion elastic 11, support inserting foot 8 is pegged graft and slide rheostat support 2 can be fixed on holder 6 with card slot 9, can be so that operate more steadily safety of slide rheostat when experiment, and slide rheostat support 2 removably connects with holder 6, the work of putting in order after convenient experiment.
Holder 6 outsides, upper surface are provided with ring groove 10; protective cover 7 connects ring groove 10 and is covered on holder 6; holder 6 and protective cover 7 are square body; holder 6 is made by ambroin with protective cover 7; after being used to complete, slide rheostat can cover protective cover 7; can protect sliding rheostat teaching aid, can prevent from again that the impurity such as dust from entering to have influence on later experiment precision.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (5)
1. a sliding rheostat teaching aid, it is characterized in that, comprise: porcelain cylinder, slide rheostat support, slide plate, Metallic rod, connector lug, holder and protective cover, described porcelain cylinder and described Metallic rod are fixedly installed on described slide rheostat support, described slide plate is connected between described porcelain cylinder and described Metallic rod, described porcelain cylinder and described Metallic rod two ends are equipped with described connector lug, described slide rheostat support lower end is provided with support inserting foot, on described holder, offer card slot, described support inserting foot and described card slot are pegged graft and described slide rheostat support can be fixed on described holder, outside, described holder upper surface is provided with ring groove, described protective cover connects described ring groove and is covered on described holder.
2. sliding rheostat teaching aid according to claim 1, is characterized in that, in described card slot, is provided with extrusion elastic, and described extrusion elastic is located at described card slot two ends, and described support inserting foot is plugged between described extrusion elastic.
3. sliding rheostat teaching aid according to claim 1, is characterized in that, described Metallic rod and described porcelain cylinder opposing parallel arrange.
4. sliding rheostat teaching aid according to claim 1, is characterized in that, described holder and described protective cover are square body.
5. sliding rheostat teaching aid according to claim 1, is characterized in that, described holder and described protective cover are made by ambroin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420300595.8U CN203910121U (en) | 2014-06-09 | 2014-06-09 | Sliding rheostat teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420300595.8U CN203910121U (en) | 2014-06-09 | 2014-06-09 | Sliding rheostat teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203910121U true CN203910121U (en) | 2014-10-29 |
Family
ID=51784378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420300595.8U Expired - Fee Related CN203910121U (en) | 2014-06-09 | 2014-06-09 | Sliding rheostat teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203910121U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104008688A (en) * | 2014-06-09 | 2014-08-27 | 常州市零伍壹玖电子有限公司 | Slide rheostat teaching aid |
-
2014
- 2014-06-09 CN CN201420300595.8U patent/CN203910121U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104008688A (en) * | 2014-06-09 | 2014-08-27 | 常州市零伍壹玖电子有限公司 | Slide rheostat teaching aid |
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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: 20141029 Termination date: 20150609 |
|
| EXPY | Termination of patent right or utility model |