CN208507053U - A kind of electrophysics experiment fixed value resistance - Google Patents
A kind of electrophysics experiment fixed value resistance Download PDFInfo
- Publication number
- CN208507053U CN208507053U CN201820310354.XU CN201820310354U CN208507053U CN 208507053 U CN208507053 U CN 208507053U CN 201820310354 U CN201820310354 U CN 201820310354U CN 208507053 U CN208507053 U CN 208507053U
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- China
- Prior art keywords
- box
- resistance
- resistor
- fixed value
- binding post
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Abstract
The utility model discloses a kind of electrophysics to test fixed value resistance, including first resistor box, second resistance box, 3rd resistor box；First resistor box, second resistance box, the bottom surface center inside 3rd resistor box and two sides are designed with fixed value resistance and binding post, and fixed value resistance is electrically connected the binding post of two sides；The bottom end of first resistor box is flexibly connected the box cover of second resistance box by card slot, and the bottom end of second resistance box is flexibly connected the box cover of 3rd resistor box by card slot；First resistor box, second resistance box, the front and rear sides face of 3rd resistor box and left and right sides are designed with wiring hole in binding post corresponding position；First resistor box, second resistance box, 3rd resistor box box cover bottom end with binding post corresponding position be equipped with spring, spring bottom end connect briquetting；Multiple resistance are carried out longitudinal spliced combination by the utility model, are convenient for carrying, and it is few to occupy desktop area；Available wire carries out series connection and parallel connection by wiring hole between each fixed value resistance, applied widely.
Description
Technical field
The utility model relates to experiment equipment fields, and in particular to a kind of electrophysics experiment fixed value resistance.
Background technique
Fixed value resistance is often used in electrophysics experiment, fixed value resistance is experiment equipment most basic in Experiments of Electricity
One of, an experiment needs to use multiple fixed value resistances, and existing fixed value resistance is mostly strip, is independently arranged, quantity is more
When it is not portable, be easy to lose loss, and the devices such as an Experiments of Electricity battery, voltmeter, ammeter, fixed value resistance for using
Material can occupy more desktop area, be unfavorable for student and carry out experimental implementation.
Utility model content
In order to overcome the technical deficiency of existing fixed value resistance, the utility model provides a kind of electrophysics experiment definite value electricity
Resistance is able to carry out longitudinal spliced combination, and occupancy desktop area is few, is convenient for carrying.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of electrophysics tests fixed value resistance,
Including first resistor box, second resistance box, 3rd resistor box；First resistor box, second resistance box, 3rd resistor box top all
It is connected by screw to box cover, it is fixed that first resistor box, second resistance box, the bottom surface center inside 3rd resistor box and two sides are designed with
It is worth resistance and binding post, fixed value resistance is electrically connected the binding post of two sides；The bottom end of first resistor box is flexibly connected the by card slot
The box cover of two resistance boxs, the bottom end of second resistance box are flexibly connected the box cover of 3rd resistor box by card slot；First resistor box,
Two resistance boxs, the front and rear sides face of 3rd resistor box and left and right sides are designed with wiring hole in binding post corresponding position；First
Resistance box, second resistance box, 3rd resistor box box cover bottom end with binding post corresponding position be equipped with spring, spring bottom end connection
Briquetting, briquetting bottom end are equipped with groove corresponding with wiring post shapes；The first resistor box, second resistance box, 3rd resistor box
Left and right sides be equipped with longitudinally disposed vertical slot, briquetting side is equipped with handle, and handle extended to outside resistance box by vertical slot.
Further, the first resistor box, second resistance box, 3rd resistor outer box wall are equipped with the mark of mark resistance value
Label.
Further, the briquetting is insulator material.
Further, the spring is compressed spring.
The utility model has the beneficial effects that the electrophysics tests fixed value resistance, multiple resistance are carried out longitudinal spliced
Combination, is convenient for carrying, and it is few to occupy desktop area；Available wire carries out series connection and parallel connection by wiring hole between each fixed value resistance,
It can satisfy kinds of experiments requirement, it is applied widely.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model leading flank.
Fig. 2 is the structural schematic diagram of the utility model left side.
Fig. 3 is the structural schematic diagram inside first resistor box.
It is indicated in figure, 1. first resistor boxes, 2. second resistance boxes, 3. 3rd resistor boxes, 4. box covers, 5. fixed value resistances, 6.
Binding post, 7. card slots, 8. wiring holes, 9. springs, 10. briquettings, 11. vertical slots, 12. handles.
Specific embodiment
Referring to attached drawing, a kind of electrophysics experiment fixed value resistance, including first resistor box 1, second resistance box 2, third electricity
Hinder box 3；First resistor box 1, second resistance box 2,3rd resistor box 3 top be all connected by screw to box cover 4, first resistor box
1, fixed value resistance 5 and binding post 6 all installs in second resistance box 2, the bottom surface center inside 3rd resistor box 3 and two sides, and definite value is electric
The binding post 6 of 5 electrical connection two sides of resistance；The bottom end of first resistor box 1 is flexibly connected the box cover 4 of second resistance box 2 by card slot 7,
The bottom end of second resistance box 2 is flexibly connected the box cover 4 of 3rd resistor box 3 by card slot 7；First resistor box 1, second resistance box 2,
The front and rear sides face of 3rd resistor box 3 and left and right sides are designed with wiring hole 8, first resistor box in 6 corresponding position of binding post
1, second resistance box 2, the fixed value resistance 5 in 3rd resistor box 3 can be passed through wiring hole 8 by conducting wire and realize series connection and in parallel；
First resistor box 1, second resistance box 2,3rd resistor box 34 bottom end of box cover with 6 corresponding position of binding post be equipped with spring 9, institute
Stating spring 9 is compressed spring, and 9 bottom end of spring connects briquetting 10, and 10 bottom end of briquetting is equipped with groove corresponding with 6 shape of binding post；
When connection test conducting wire both ends U-shaped plugging sheet clamp on binding post 6, briquetting 10 spring 9 act on push, 10 bottom end of briquetting it is recessed
Slot cover lives binding post 6, prevents U-shaped inserted sheet from falling off；The left and right two of the first resistor box 1, second resistance box 2,3rd resistor box 3
Side is equipped with longitudinally disposed vertical slot 11, and 10 side of briquetting is fixedly connected with handle 12, and handle 12 extends to resistance by vertical slot 11
Outside box, upper lift handle 12 can be such that briquetting 10 separates with binding post 6, and then remove conducting wire；The first resistor box 1, second
Resistance box 2,3 outer wall of 3rd resistor box are equipped with the label of mark resistance value, and experimenter passes through tag recognition without opening the lid 4
The numerical value of fixed value resistance in corresponding resistance box；The briquetting 10 is insulator material, high safety.
Claims (4)
1. a kind of electrophysics tests fixed value resistance, which is characterized in that including first resistor box (1), second resistance box (2), the
Three resistance boxs (3)；First resistor box (1), second resistance box (2), 3rd resistor box (3) top be all connected by screw to box cover
(4), the internal bottom surface center of first resistor box (1), second resistance box (2), 3rd resistor box (3) and two sides are designed with definite value electricity
(5) and binding post (6) are hindered, fixed value resistance (5) is electrically connected the binding post (6) of two sides；The bottom end of first resistor box (1) passes through card slot
(7) it is flexibly connected the box cover (4) of second resistance box (2), the bottom end of second resistance box (2) is flexibly connected third by card slot (7)
The box cover (4) of resistance box (3)；The front and rear sides face and a left side of first resistor box (1), second resistance box (2), 3rd resistor box (3)
Right two sides are designed with wiring hole (8) in binding post (6) corresponding position；First resistor box (1), second resistance box (2), third electricity
Box cover (4) bottom end for hindering box (3) is being equipped with spring (9) with binding post (6) corresponding position, and spring (9) bottom end connects briquetting (10),
Briquetting (10) bottom end is equipped with groove corresponding with binding post (6) shape；The first resistor box (1), second resistance box (2),
The left and right sides of three resistance boxs (3) are equipped with longitudinally disposed vertical slot (11), and briquetting (10) side is equipped with handle (12), handle
(12) it is extended to outside resistance box by vertical slot (11).
2. electrophysics according to claim 1 tests fixed value resistance, which is characterized in that the first resistor box (1), the
Two resistance boxs (2), 3rd resistor box (3) outer wall are equipped with the label of mark resistance value.
3. electrophysics according to claim 1 tests fixed value resistance, which is characterized in that the briquetting (10) is insulator
Material.
4. electrophysics according to claim 1 tests fixed value resistance, which is characterized in that the spring (9) is compression bullet
Spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820310354.XU CN208507053U (en) | 2018-03-07 | 2018-03-07 | A kind of electrophysics experiment fixed value resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820310354.XU CN208507053U (en) | 2018-03-07 | 2018-03-07 | A kind of electrophysics experiment fixed value resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208507053U true CN208507053U (en) | 2019-02-15 |
Family
ID=65294944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820310354.XU Expired - Fee Related CN208507053U (en) | 2018-03-07 | 2018-03-07 | A kind of electrophysics experiment fixed value resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208507053U (en) |
-
2018
- 2018-03-07 CN CN201820310354.XU patent/CN208507053U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 Termination date: 20200307 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |