CN104008688A - Slide rheostat teaching aid - Google Patents
Slide rheostat teaching aid Download PDFInfo
- Publication number
- CN104008688A CN104008688A CN201410250037.XA CN201410250037A CN104008688A CN 104008688 A CN104008688 A CN 104008688A CN 201410250037 A CN201410250037 A CN 201410250037A CN 104008688 A CN104008688 A CN 104008688A
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- CN
- China
- Prior art keywords
- slide rheostat
- support
- teaching aid
- holder
- protective cover
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- 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.)
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Abstract
The invention discloses a slide rheostat teaching aid. The slide rheostat teaching aid comprises a ceramic cylinder, a slide rheostat support, a sliding piece, a metal rod, connector lugs, a fixing base and a protective cover, wherein the ceramic cylinder and the metal rod are fixedly installed on the slide rheostat support, the sliding piece is arranged between the ceramic cylinder and the metal rod in a connected mode, the connector lugs are arranged at the two ends of the ceramic cylinder and the two ends of the metal rod respectively, support pluggable pins are arranged at the lower end of the slide rheostat support, card slots are formed in the fixing base, the support pluggable pins and the card slots are connected in a pluggable mode so that the slide rheostat support can be fixed to the fixing base, an annular groove is formed in the outer side of the upper end face of the fixing base, the protective cover is connected with the annular groove, and the fixing base is covered with the protective cover. In this way, the slide rheostat teaching aid can provide an operation environment which is more steady and safer for a slide rheostat, so that the slide rheostat teaching aid is safer and more steady when used for experiments.
Description
Technical field
The present invention relates to experiment teaching aid articles for use field, particularly relate 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.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of sliding rheostat teaching aid, can be in the time carrying out slide rheostat education experiment, safer stable environment for use is provided.
For solving the problems of the technologies described above, the technical scheme that the present invention 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 a preferred embodiment of the present invention, 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 a preferred embodiment of the present invention, described Metallic rod and described porcelain cylinder opposing parallel arrange.
In a preferred embodiment of the present invention, described holder and described protective cover are square body.
In a preferred embodiment of the present invention, described holder and described protective cover are made by ambroin.
The invention has the beneficial effects as follows: the present invention can provide for slide rheostat the operating environment of more firm safety, make in the time that experiment is used safety and steady more.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing, wherein:
Fig. 1 is the structural representation of sliding rheostat teaching aid one preferred embodiment of the present invention;
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
To the technical scheme in the embodiment of the present invention be clearly and completely described below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2, the embodiment of the present invention 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 invention 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 make to operate more steadily safety of slide rheostat in the time of 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 embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention 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 invention.
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 |
|---|---|---|---|
| CN201410250037.XA CN104008688A (en) | 2014-06-09 | 2014-06-09 | Slide rheostat teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410250037.XA CN104008688A (en) | 2014-06-09 | 2014-06-09 | Slide rheostat teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104008688A true CN104008688A (en) | 2014-08-27 |
Family
ID=51369323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410250037.XA Pending CN104008688A (en) | 2014-06-09 | 2014-06-09 | Slide rheostat teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104008688A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2072712U (en) * | 1990-08-11 | 1991-03-06 | 南昌市工业交通规划设计研究院 | Junior middle school electicity, electromagnetics comprehensive experiment board |
| TWM308472U (en) * | 2006-06-05 | 2007-03-21 | Powertech Ind Co Ltd | Protection cover for rheostat and the rheostat device |
| CN201444144U (en) * | 2009-03-26 | 2010-04-28 | 苏思文 | Raw meat water filling prompting instrument |
| CN201655108U (en) * | 2009-11-26 | 2010-11-24 | 盐城师范学院 | AC and DC current-carrying straight wire interaction demonstration instrument |
| CN202042300U (en) * | 2011-02-28 | 2011-11-16 | 广东明家科技股份有限公司 | Rheostat protective cover and rheostatic device |
| CN203242220U (en) * | 2013-05-24 | 2013-10-16 | 孙嘉男 | Experimental device for measuring gravitational acceleration by using single pendulum |
| CN203433719U (en) * | 2013-08-02 | 2014-02-12 | 陈显盈 | Slide rheostat having coarse adjustment/fine adjustment selection function |
| CN203520752U (en) * | 2013-10-12 | 2014-04-02 | 昆明理工大学 | Heating-type double-plate slurry-squeezing device used for laboratory |
| CN203910121U (en) * | 2014-06-09 | 2014-10-29 | 常州市零伍壹玖电子有限公司 | Sliding rheostat teaching aid |
-
2014
- 2014-06-09 CN CN201410250037.XA patent/CN104008688A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2072712U (en) * | 1990-08-11 | 1991-03-06 | 南昌市工业交通规划设计研究院 | Junior middle school electicity, electromagnetics comprehensive experiment board |
| TWM308472U (en) * | 2006-06-05 | 2007-03-21 | Powertech Ind Co Ltd | Protection cover for rheostat and the rheostat device |
| CN201444144U (en) * | 2009-03-26 | 2010-04-28 | 苏思文 | Raw meat water filling prompting instrument |
| CN201655108U (en) * | 2009-11-26 | 2010-11-24 | 盐城师范学院 | AC and DC current-carrying straight wire interaction demonstration instrument |
| CN202042300U (en) * | 2011-02-28 | 2011-11-16 | 广东明家科技股份有限公司 | Rheostat protective cover and rheostatic device |
| CN203242220U (en) * | 2013-05-24 | 2013-10-16 | 孙嘉男 | Experimental device for measuring gravitational acceleration by using single pendulum |
| CN203433719U (en) * | 2013-08-02 | 2014-02-12 | 陈显盈 | Slide rheostat having coarse adjustment/fine adjustment selection function |
| CN203520752U (en) * | 2013-10-12 | 2014-04-02 | 昆明理工大学 | Heating-type double-plate slurry-squeezing device used for laboratory |
| CN203910121U (en) * | 2014-06-09 | 2014-10-29 | 常州市零伍壹玖电子有限公司 | Sliding rheostat teaching aid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140827 |
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| RJ01 | Rejection of invention patent application after publication |