CN206847765U - A kind of balance crossbeam of senior middle school's natural sciences Physical Experiment - Google Patents
A kind of balance crossbeam of senior middle school's natural sciences Physical Experiment Download PDFInfo
- Publication number
- CN206847765U CN206847765U CN201720767851.8U CN201720767851U CN206847765U CN 206847765 U CN206847765 U CN 206847765U CN 201720767851 U CN201720767851 U CN 201720767851U CN 206847765 U CN206847765 U CN 206847765U
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- China
- Prior art keywords
- cross
- beam body
- balance
- mounting hole
- middle school
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Abstract
The utility model discloses a kind of balance crossbeam of senior middle school's natural sciences Physical Experiment, including cross-beam body, the cross-beam body upper surface offers mounting hole, and par pipe is connected with by connecting rod in mounting hole, the cross-beam body outer surface is socketed with rider, and the both ends of the cross-beam body offer balance screw, and balance nut is plugged with balance screw, the preceding surface of cross-beam body is provided with graduation apparatus, and the cross-beam body bottom is provided at both ends with pallet hanging plate.In the utility model, the device at the center of cross-beam body upper surface by offering mounting hole, and par pipe is connected with by connecting rod in mounting hole, make the device more convenient using calibration leveling is preceding carried out, the device will be fixedly connected between cross-beam body and balance vertical rod by balanced ball, the device is adjusted the angle of cross-beam body as needed when in use, and more accurate to the numerical value of measurement, so that the practicality of the device is stronger, market value is higher.
Description
Technical field
It the utility model is related to balance technical field, more particularly to a kind of balance crossbeam of senior middle school's natural sciences Physical Experiment.
Background technology
Balance, a kind of weighing apparatus.Balance beam is propped up at the center of beam by fulcrum (axle) and form two arms, hung on each arm
One disk, the object of known quality is put in one of disk, puts object under test in another disk, the pointer being fixed on beam exists
Deflection when not swinging and pointing to center scale indicates that the quality of object under test, and balance is a kind of bascule.Balance is
A kind of instrument for weighing mass of object, the invention of balance is very early.According to the record of sudd book, early in B.C. more than 1500 years, angstrom
And people just uses balance, somebody says, this time is also early, about before B.C. 5000.Ancient Egypt
Although balance is made profile that is coarse, but having had modern balance, turn into the blank of modern balance.
And the balance crossbeam of senior middle school's natural sciences Physical Experiment is a kind of crossbeam for senior middle school's natural sciences Physical Experiment balance, but
Traditional crossbeam is mostly simple in construction, and regulation and calibration are more troublesome, and precision is poor, make the error in reading that finally measures compared with
Greatly, so that it can not meet the needs of people.
Utility model content
The purpose of this utility model is and a kind of senior middle school's natural sciences thing proposed in order to solve shortcoming present in prior art
Manage the balance crossbeam of experiment.
To achieve these goals, the utility model employs following technical scheme：A kind of senior middle school's natural sciences Physical Experiment
Balance crossbeam, including cross-beam body, the cross-beam body upper surface offers mounting hole, and is connected in mounting hole by connecting rod
There is par pipe, the cross-beam body outer surface is socketed with rider, and the both ends of the cross-beam body offer balance screw, and balance
Balance nut is plugged with screw, the preceding surface of cross-beam body is provided with graduation apparatus, and cross-beam body bottom both ends are set
There is pallet hanging plate, and the preceding surface of pallet hanging plate offers pallet hanging hole, and mounting hole is offered at the cross-beam body bottom centre,
And balanced ball is connected with mounting hole, and fixed plate is provided with below the balanced ball, the fixed plate upper surface offers through hole,
And fixing nut is socketed with by interior, following table wall offers fixing threaded hole on the inside of the fixed plate.
As further describing for above-mentioned technical proposal：
The connecting rod is provided with two altogether, and two connecting rods are symmetrical on par pipe vertical centerline.
As further describing for above-mentioned technical proposal：
The inwall width of the rider and the outer wall width of cross-beam body are in the same size.
As further describing for above-mentioned technical proposal：
The balance nut is provided with two altogether, and two balance nuts are mutually right on cross-beam body vertical centerline
Claim.
As further describing for above-mentioned technical proposal：
The pallet hanging plate is provided with two altogether, and two pallet hanging plates are mutually right on cross-beam body vertical centerline
Claim.
As further describing for above-mentioned technical proposal：
The diameter of the balanced ball and the internal diameter of mounting hole are in the same size.
In the utility model, first, the device is installed by offering mounting hole at the center of cross-beam body upper surface
Par pipe is connected with by connecting rod in hole, make the device using preceding carry out calibrate leveling it is more convenient, secondly, the device will
It is fixedly connected between cross-beam body and balance vertical rod by balanced ball, the device is adjusted as needed when in use
The angle of cross-beam body, and it is more accurate to the numerical value of measurement, so that the practicality of the device is stronger, market value is higher.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of senior middle school's natural sciences Physical Experiment balance crossbeam structural representation；
Fig. 2 is the utility model cross-beam body bottom surface structure schematic diagram.
Marginal data：
1- pars pipe, 2- mounting holes, 3- connecting rods, 4- riders, 5- cross-beam bodies, 6- graduation apparatus, 7- balance screws, 8- are put down
Weigh nut, 9- pallets hanging plate, 10- pallets hanging hole, 11- balanced balls, 12- mounting holes, 13- fixed plates, 14- through holes, 15- fixation spiral shells
Female, 16- fixing threaded holes.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.
Reference picture 1-2, a kind of balance crossbeam of senior middle school's natural sciences Physical Experiment, including cross-beam body 5, the upper table of cross-beam body 5
Face offers mounting hole 2, and is connected with par pipe 1 by connecting rod 3 in mounting hole 2, and the outer surface of cross-beam body 5 is socketed with rider
4, the both ends of cross-beam body 5 offer balance screw 7, and balance nut 8 is plugged with balance screw 7,5 preceding surface of cross-beam body
Graduation apparatus 6 is provided with, the bottom of cross-beam body 5 is provided at both ends with pallet hanging plate 9, and 9 preceding surface of pallet hanging plate offers pallet extension
Hole 10, mounting hole 12 is offered at the bottom centre of cross-beam body 5, and balanced ball 11 is connected with mounting hole 12, under balanced ball 11
Side is provided with fixed plate 13, and the upper surface of fixed plate 13 offers through hole 14, and fixing nut 15, fixed plate are socketed with through hole 14
13 inner side following table walls offer fixing threaded hole 16.
Connecting rod 3 is provided with two altogether, and two connecting rods 3 are symmetrical on the vertical centerline of par pipe 1, rider 4
Inwall width and cross-beam body 5 outer wall width it is in the same size, balance nut 8 is provided with two, and two balance nuts 8 altogether
Symmetrical on the vertical centerline of cross-beam body 5, pallet hanging plate 9 is provided with two altogether, and two pallet hanging plates 9 are on crossbeam
The vertical centerline of body 5 is symmetrical, and the diameter and the internal diameter of mounting hole 12 of balanced ball 11 are in the same size.
The device passes through connecting rod 3 by offering mounting hole 2 at the upper surface center of cross-beam body 5 in mounting hole 2
Par pipe 1 is connected with, makes the device more convenient using calibration leveling is preceding carried out.
Operation principle：In use, fixed plate 13 is fixed on by physics experiments of high school balance by fixing nut 15 first
In vertical rod, two pallets are installed by the pallet hanging hole 10 on two pallet hanging plates 9 respectively, after the completion of, rider 4 is slided
Move to the center of cross-beam body 5, then the bubble in par pipe 1 is adjusted to by the balance nut 8 by adjusting the both ends of cross-beam body 5
Center condition, complete the installation and leveling of the device.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (6)
1. a kind of balance crossbeam of senior middle school's natural sciences Physical Experiment, including cross-beam body（5）, it is characterised in that the cross-beam body
（5）Upper surface offers mounting hole（2）, and mounting hole（2）Inside pass through connecting rod（3）It is connected with par pipe（1）, the crossbeam sheet
Body（5）Outer surface is socketed with rider（4）, the cross-beam body（5）Both ends offer balance screw（7）, and balance screw（7）
Inside it is plugged with balance nut（8）, the cross-beam body（5）Preceding surface is provided with graduation apparatus（6）, the cross-beam body（5）Bottom
It is provided at both ends with pallet hanging plate（9）, and pallet hanging plate（9）Preceding surface offers pallet hanging hole（10）, the cross-beam body（5）Bottom
Portion offers mounting hole at center（12）, and mounting hole（12）Inside it is connected with balanced ball（11）, the balanced ball（11）Lower section is set
It is equipped with fixed plate（13）, the fixed plate（13）Upper surface offers through hole（14）, and through hole（14）Inside it is socketed with fixing nut
（15）, the fixed plate（13）Inner side following table wall offers fixing threaded hole（16）.
A kind of 2. balance crossbeam of senior middle school's natural sciences Physical Experiment according to claim 1, it is characterised in that the connecting rod
（3）Two, and two connecting rods are provided with altogether（3）On par pipe（1）Vertical centerline is symmetrical.
A kind of 3. balance crossbeam of senior middle school's natural sciences Physical Experiment according to claim 1, it is characterised in that the rider
（4）Inwall width and cross-beam body（5）Outer wall width it is in the same size.
A kind of 4. balance crossbeam of senior middle school's natural sciences Physical Experiment according to claim 1, it is characterised in that the balance spiral shell
It is female（8）Two, and two balance nuts are provided with altogether（8）On cross-beam body（5）Vertical centerline is symmetrical.
5. the balance crossbeam of a kind of senior middle school's natural sciences Physical Experiment according to claim 1, it is characterised in that the pallet is hung
Plate（9）Two, and two pallet hanging plates are provided with altogether（9）On cross-beam body（5）Vertical centerline is symmetrical.
A kind of 6. balance crossbeam of senior middle school's natural sciences Physical Experiment according to claim 1, it is characterised in that the balanced ball
（11）Diameter and mounting hole（12）Internal diameter it is in the same size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720767851.8U CN206847765U (en) | 2017-06-29 | 2017-06-29 | A kind of balance crossbeam of senior middle school's natural sciences Physical Experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720767851.8U CN206847765U (en) | 2017-06-29 | 2017-06-29 | A kind of balance crossbeam of senior middle school's natural sciences Physical Experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206847765U true CN206847765U (en) | 2018-01-05 |
Family
ID=60803304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720767851.8U Expired - Fee Related CN206847765U (en) | 2017-06-29 | 2017-06-29 | A kind of balance crossbeam of senior middle school's natural sciences Physical Experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206847765U (en) |
-
2017
- 2017-06-29 CN CN201720767851.8U patent/CN206847765U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180105 Termination date: 20180629 |