CN205909956U - Spring dynamometer for experiments - Google Patents
Spring dynamometer for experiments Download PDFInfo
- Publication number
- CN205909956U CN205909956U CN201620853336.7U CN201620853336U CN205909956U CN 205909956 U CN205909956 U CN 205909956U CN 201620853336 U CN201620853336 U CN 201620853336U CN 205909956 U CN205909956 U CN 205909956U
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- CN
- China
- Prior art keywords
- shell
- sleeve pipe
- spring
- connecting rod
- weight beam
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Abstract
The utility model discloses a spring dynamometer for experiments, including the spring dynamometer body, from lock -switch, permanent magnet, actuating lever, brake lever, brake pads, sleeve pipe, connecting rod, the spring dynamometer body includes spring, rings, pointer, shell, dowel steel, link, the inside cavity of shell, the top of shell is equipped with rings, be equipped with spring, dowel steel, link in the shell, the bottom of shell is equipped with the through -hole. The utility model discloses be equipped with and be connected with the pointer from the lock -switch and through actuating lever, trace, connecting rod, may not use the convenient experiment of instant reading, use when being equipped with in the convenient experiment of length graduation apparatus the gauge length, be equipped with the less permanent magnet of magnetic force, can be voluntarily to spring dynamometer school zero, the degree of accuracy of experiment improves, be equipped with sanme quality's sucking disc and couple, can't accomplish with the couple when the experiment and can use the sucking disc to test when testing, make things convenient for experiment operation.
Description
Technical field
This utility model is related to experiment appliance technical field, more particularly, to a kind of experiment weight beam.
Background technology
Be frequently necessary in Physical Experiment use weight beam, existing weight beam can only reading immediately, sometimes do
Test instant reading very difficult, be usually often also required to carry out length survey in Physical Experiment while carrying out Experiments of Machanics
Amount, needs separately to look for rule cumbersome, existing ergometer is required for school zero every time, and sometimes forgetting about school zero can affect test knot
Really, school zero can not affect weight beam precision for a long time, and existing weight beam is only connected with object with hook, but some are real
Test middle hook in-convenience in use, lead to experimental implementation difficult.
Utility model content
The purpose of this utility model is to solve shortcoming present in prior art, and a kind of experiment spring proposing
Ergometer.
To achieve these goals, this utility model adopts the technical scheme that
A kind of experiment weight beam, including weight beam body, self-lock switch, permanent magnet, drive rod, braking
Bar, brake block, sleeve pipe, connecting rod, described weight beam body includes spring, suspension ring, pointer, shell, dowel steel, link,
Described enclosure hollow, the top of described shell is provided with suspension ring, and described inside the shell is provided with spring, dowel steel, link, described outer
The bottom of shell is provided with through hole, and one end of described spring is connected with the inwall of cover top portion, the other end of described spring and dowel steel
One end connect, the other end of described dowel steel and link fix, and described link is positioned at the lower section of shell, the middle part of described shell
It is provided with self-lock switch, described sleeve pipe inner hollow, the upper end of described sleeve pipe is fixed with the inwall of cover top portion, described sleeve pipe
The inwall of lower end and outer casing bottom is fixed, and described sleeve pipe is located at dowel steel side and parallel with dowel steel, and described sleeve pipe is provided with
Two through holes and groove, are provided with brake bar in described sleeve pipe, and described drive rod is in fork type, the front end of described drive rod and self-locking
Switch connects, and the rear end of described drive rod is run through through hole and extended in sleeve pipe and fixed with the side of brake bar, described brake bar
Side by be provided with brake block, described connecting rod is in " t " shape, and the first end of described connecting rod is connected with the side of brake block, institute
The second end stating connecting rod is connected with pointer, and the 3rd end of described connecting rod is fixed with dowel steel.
Preferably, described brake block is made up of gum elastic, and the other inwall in described groove both sides has multiple little projections.
Preferably, the cross section of described shell is in ladder type, and the side of described shell is provided with chute, and the both sides of described chute set
Strong graduation apparatus, the hypotenuse of described shell is provided with length scale table.
Preferably, described shell is provided with groove, and described groove is located at the top of power graduation apparatus, is provided with forever in described groove
Magnet.
Preferably, described link is connected with the sucker matching or the hook matching, the quality of described sucker and hook
Equal.
Preferably, described pointer is made up of ferrous material, and described spring is made up of nonmagnetic substance.
In this utility model, it is provided with self-lock switch and is connected with pointer by drive rod, trace, connecting rod, can not
With the experiment of instant convenient reading, it is provided with the convenient experiment of length scale table and measures use during length, be provided with the less permanent magnetism of magnetic force
Body, can improve the accuracy of experiment, is provided with sucker identical in quality and hook, in experiment automatically to weight beam school zero
Shi Wufa hook completes to test using sucker during experiment, facilitates experimental implementation.
Brief description
Fig. 1 be the utility model proposes a kind of experiment weight beam structural representation.
Fig. 2 is weight beam internal structure connection diagram.
Fig. 3 is pointer, connecting rod, brake block connection diagram.
Fig. 4 is sucker, the subjective figure of hook.
In figure: 1 self-lock switch, 2 permanent magnets, 3 drive rods, 4 brake bars, 5 brake block, 6 suspension ring, 7 pointers, 8 shells, 9 biographies
Power bar, 10 links, 11 sleeve pipes, 12 connecting rods, 13 suckers, 14 hooks, 15 power graduation apparatus, 16 length scale tables, 17 springs.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.
Reference picture 1-4, a kind of experiment weight beam, including weight beam body, self-lock switch 1, permanent magnet 2,
Drive rod 3, brake bar 4, brake block 5, sleeve pipe 11, connecting rod 12, weight beam body include spring 17, suspension ring 6, pointer 7,
Shell 8, dowel steel 9, link 10, shell 8 inner hollow, the top of shell 8 is provided with suspension ring 6, is provided with spring 17, passes in shell 8
Power bar 9, link 10, the bottom of shell 8 is provided with through hole, and one end of spring 17 is connected with the inwall at shell 8 top, spring 17 another
One end is connected with one end of dowel steel 9, and the other end of dowel steel 9 is fixing with link 10, and link 10 is located at the lower section of shell 8, outward
The middle part of shell 8 is provided with self-lock switch 1, sleeve pipe 11 inner hollow, and the inwall at the upper end of sleeve pipe 11 and shell 8 top is fixed, sleeve pipe
The inwall of 11 lower end and shell 8 bottom is fixed, and sleeve pipe 8 is located at dowel steel 9 side and parallel with dowel steel 9, and sleeve pipe 11 sets
There are two through holes and groove, in sleeve pipe 11, be provided with brake bar 4, drive rod 3 is in fork type, the front end of drive rod 3 and self-lock switch
1 connection, the rear end of drive rod 3 is run through through hole and is extended in sleeve pipe 11 and fixed with the side of brake bar 4, the side of brake bar 4
Side is provided with brake block 5, and connecting rod 12 is in " t " shape, and the first end of connecting rod 12 is connected with the side of brake block 5, connecting rod 12
Second end is connected with pointer 7, and the 3rd end of connecting rod 12 is fixing with dowel steel 9, is provided with self-lock switch and passes through drive rod, gearing
Bar, connecting rod are connected with pointer, can test without instant convenient reading, are provided with the convenient experiment of length scale table and measure length
When use.
Brake block 5 is made up of gum elastic, and the other inwall in groove both sides has multiple little projections, because brake block 5 is bullet
Property rubber make, certain plastic deformation can be produced during braking, brake block 5 is subject to frictional resistance and deformation resistance to cause braking,
Thus connecting rod 12, pointer 7 are braked, can be without instant reading.The cross section of shell 8 is in ladder type, and the side of shell 8 sets
There is chute, the both sides of chute are provided with power graduation apparatus 15, and the hypotenuse of shell 8 is provided with length scale table 16, is provided with length scale table
Measure in 16 convenient experiments and use during length.Shell 8 is provided with groove, and groove is located at the top of power graduation apparatus 15, sets in groove
Have permanent magnet 2, be provided with the less permanent magnet of magnetic 2, when pointer 7 is near permanent magnet 2 can attractive thus reaching automatic school
Zero effect.With the sucker 13 matching or the hook 14 that matches is connected link 10, and the quality of sucker 13 and hook 14 is equal,
When being inconvenient to test using hook 14, can test using sucker 13 is convenient, the equal hook of quality 14 and sucker 13 can be direct
Exchange convenient experiment.Pointer 7 is made up of ferrous material, and spring is made up of nonmagnetic substance.
This utility model is provided with the less permanent magnet of magnetic 2, when pointer 7 is near permanent magnet 2 can attractive thus reaching
To automatic zero adjustment effect, when testing using hook 14 is convenient when dynamometry is tested, one end of hook 14 is hung on link 10,
The other end of hook 14 is connected with test articles, when testing using sucker 13 is convenient, sucker 13 is connected with link 10, sucker
13 hold object, in dynamometry experiment during inconvenient reading immediately, press self-lock switch 1, by drive rod 3 power transmission to brake bar
4, brake bar 4 stress moves forward, and brake block 5 can be pushed into and offset with sleeve pipe 11 by brake bar 4, and sleeve pipe 11 medial wall has little in a large number
Projection, because brake block 5 is that gum elastic is made and can be produced some plastic deformations, brake block 5 is subject to frictional resistance and deformation to hinder
Power causes braking, thus connecting rod 12, pointer 7 are braked, can click self-locking again without instant reading after the completion of reading
Switch 1 is it may be necessary to either manually or by dowel steel 9 correction position, making pointer 7 just unrestricted, read power by power graduation apparatus 15
Size, is needed to measure the length scale table 16 using weight beam during length and measures length, read by length scale table 16
Length.
The above, only this utility model preferably specific embodiment, but protection domain of the present utility model is not
Be confined to this, any those familiar with the art in the technical scope that this utility model discloses, according to this practicality
New technical scheme and its utility model design in addition equivalent or change, all should cover in protection model of the present utility model
Within enclosing.
Claims (6)
1. a kind of experiment weight beam it is characterised in that: inclusion weight beam body, self-lock switch, permanent magnet, driving
Bar, brake bar, brake block, sleeve pipe, connecting rod, described weight beam body includes spring, suspension ring, pointer, shell, power transmission
Bar, link, described enclosure hollow, the top of described shell is provided with suspension ring, and described inside the shell is provided with spring, dowel steel, extension
Ring, the bottom of described shell is provided with through hole, and one end of described spring is connected with the inwall of cover top portion, the other end of described spring
It is connected with one end of dowel steel, the other end of described dowel steel and link are fixed, described link is located at the lower section of shell, described outer
The middle part of shell is provided with self-lock switch, described sleeve pipe inner hollow, and the upper end of described sleeve pipe is fixed with the inwall of cover top portion, described
The lower end of sleeve pipe is fixed with the inwall of outer casing bottom, and described sleeve pipe is located at dowel steel side and, described sleeve pipe parallel with dowel steel
It is provided with two through holes and groove, in described sleeve pipe, is provided with brake bar, described drive rod is in fork type, the front end of described drive rod
It is connected with self-lock switch, the rear end of described drive rod is run through through hole and extended in sleeve pipe and fixed with the side of brake bar, described
It is provided with brake block, described connecting rod is in " t " shape, the first end of described connecting rod is connected with the side of brake block by the side of brake bar
Connect, the second end of described connecting rod is connected with pointer, the 3rd end of described connecting rod is fixed with dowel steel.
2. according to claim 1 one kind experiment weight beam it is characterised in that: described brake block be gum elastic
Make, the other inwall in described groove both sides has multiple little projections.
3. one kind experiment weight beam according to claim 1 it is characterised in that: the cross section of described shell is in terraced
Type, the side of described shell is provided with chute, and the both sides of described chute are provided with power graduation apparatus, and the hypotenuse of described shell is provided with length
Graduation apparatus.
4. according to claim 1 one kind experiment weight beam it is characterised in that: described shell is provided with groove,
Described groove is located at the top of power graduation apparatus, is provided with permanent magnet in described groove.
5. according to claim 1 one kind experiment weight beam it is characterised in that: described link and the suction matching
Disk or the hook matching connect, and the quality of described sucker and hook is equal.
6. according to claim 1 one kind experiment weight beam it is characterised in that: described pointer be ferrous material system
Become, described spring is made up of nonmagnetic substance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620853336.7U CN205909956U (en) | 2016-08-08 | 2016-08-08 | Spring dynamometer for experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620853336.7U CN205909956U (en) | 2016-08-08 | 2016-08-08 | Spring dynamometer for experiments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205909956U true CN205909956U (en) | 2017-01-25 |
Family
ID=57800260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620853336.7U Expired - Fee Related CN205909956U (en) | 2016-08-08 | 2016-08-08 | Spring dynamometer for experiments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205909956U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029198A (en) * | 2018-07-06 | 2018-12-18 | 江西洪都航空工业集团有限责任公司 | A kind of relative position concavo-convex amount measuring tool |
| CN109708784A (en) * | 2019-03-01 | 2019-05-03 | 李玉雪 | A kind of tensiometer and its assemble method for physics experiments of high school |
-
2016
- 2016-08-08 CN CN201620853336.7U patent/CN205909956U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029198A (en) * | 2018-07-06 | 2018-12-18 | 江西洪都航空工业集团有限责任公司 | A kind of relative position concavo-convex amount measuring tool |
| CN109708784A (en) * | 2019-03-01 | 2019-05-03 | 李玉雪 | A kind of tensiometer and its assemble method for physics experiments of high school |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170125 Termination date: 20170808 |