CN209013845U - A kind of physics teaching vernier caliper - Google Patents
A kind of physics teaching vernier caliper Download PDFInfo
- Publication number
- CN209013845U CN209013845U CN201821920167.XU CN201821920167U CN209013845U CN 209013845 U CN209013845 U CN 209013845U CN 201821920167 U CN201821920167 U CN 201821920167U CN 209013845 U CN209013845 U CN 209013845U
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- depthometer
- vernier
- scale
- main scale
- back side
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Abstract
The utility model discloses a kind of physics teaching vernier caliper, physics teaching vernier caliper includes: main scale, and the main scale back side offers strip groove；Vernier scale, what can be socketed is set on the main scale, is provided with fastening screw at the top of the vernier scale, the vernier scale left bottom is fixedly connected with right outside measuring jaw, and the vernier scale bottom is provided with castor；Depthometer is set to the main scale back side, and the depthometer back side is provided with moving tooth, and the depthometer front is provided with the first graduation mark；Extension rule is set on the depthometer, and close to the setting of depthometer one end, there are two limited blocks at the extension rule back side, and the extension rule front is provided with the second graduation mark.A kind of physics teaching vernier caliper can allow fathoming deeper, by the way that moving tooth is arranged at the depthometer back side, and moving tooth is plastic material, can be convenient extension rule in the clamping of depthometer by the way that depthometer and extension rule is arranged at the main scale back side.
Description
Technical field:
The utility model relates to measuring tool technical fields, and in particular to a kind of physics teaching vernier caliper.
Background technique:
Vernier caliper is a kind of measurer for measuring length, internal-and external diameter, depth, and vernier caliper is by main scale and is attached to energy on main scale
Vernier two parts of sliding are constituted, if vernier is an entirety in terms of the back side, a fastening screw is arranged at vernier top, can be by vernier
It is fixed on any position on blade, senior middle school physics teaching when often uses vernier caliper, for student is introduced
And teach students how to go using.But all there is many defects, such as vernier caliper measurement depth for common vernier caliper
Depthometer it is generally shorter, cannot fathom well.
Utility model content:
It is above-mentioned to solve that the technical problem to be solved by the utility model is to provide a kind of physics teaching vernier calipers
The problem of being proposed in background technique.
The following technical solution is employed for technical problem to be solved in the utility model to realize: a kind of physics teaching vernier
Slide calliper rule, physics teaching vernier caliper include:
Main scale, the main scale top left side are fixedly connected with left inside side measuring jaw, and the main scale bottom left is fixedly connected with
Left-external side measuring jaw, the main scale back side offer strip groove；
Vernier scale, what can be socketed is set on the main scale, and the vernier scale left side top is fixedly connected with Right Inboard amount
Pawl, the vernier scale top are provided with fastening screw, and the vernier scale left bottom is fixedly connected with right outside measuring jaw, the trip
Scale bottom is provided with castor；
Depthometer is set to the main scale back side, and the depthometer back side is provided with moving tooth, and the depthometer is close to main scale
One end is provided with baffle, and the depthometer front is provided with the first graduation mark；
Extension rule is set on the depthometer, and close to the setting of depthometer one end, there are two limits at the extension rule back side
Block, the extension rule front are provided with the second graduation mark.
Preferably, the extension rule, depthometer, main scale length successively increase.
Preferably, first graduation mark is set as 0-30cm, and second graduation mark is set as 31-60cm.
Preferably, spacing 5cm between described two limited blocks.
Preferably, the moving tooth is plastic material.
Working principle of the utility model is: vernier caliper is logical first when a kind of physics teaching vernier caliper begins to use
Fastening screw is crossed to fastening is adjusted between main scale and depthometer, when measuring length or internal diameter outer diameter, the right hand holds master
Ruler, the mobile castor of thumb carry out moving cursor ruler, and left hand takes object to be measured, determinand is made to be located at exterior measuring measuring jaw or interior survey
Between measuring jaw, when being tightly affixed with exterior measuring measuring jaw or internal measure-hand, data can be thus read, when fathoming,
Extension rule and depthometer are pulled out from main scale first, then extension rule and depthometer are put into object and measured, directly
Data can be read according to the graduation mark on extension rule and depthometer, after having used, extension rule and depthometer are put into
It returns in main scale.
The beneficial effects of the utility model are: a kind of physics teaching vernier caliper, by the way that depth is arranged at the main scale back side
Ruler and extension rule, can allow fathom it is deeper, by the depthometer back side be arranged moving tooth, and moving tooth be plastic material, can
To facilitate extension rule in the clamping of depthometer.
Detailed description of the invention:
Fig. 1 is the formal figure of the utility model；
Fig. 2 is the schematic rear view of the utility model；
Fig. 3 is enlarged diagram at A in the utility model；
Fig. 4 is the schematic rear view of extension rule in the utility model；
Fig. 5 is the schematic rear view of depthometer in the utility model；
Fig. 6 is the front schematic view of extension rule in the utility model；
Fig. 7 is the front schematic view of depthometer in the utility model；
Wherein: 1- main scale；2- vernier scale；3- depthometer；4- extension rule；The left inside side measuring jaw of 10-；11- left-external side measuring jaw；
12- strip groove；20- Right Inboard measuring jaw；21- fastening screw；The right outside measuring jaw of 22-；23- castor；30- moving tooth；31- baffle；
The first graduation mark of 32-；40- limited block；The second graduation mark of 41-.
Specific embodiment:
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is further described.
A kind of physics teaching vernier caliper of the utility model as shown in figs. 1-7, physics teaching vernier caliper include:
Main scale 1,1 top left side of main scale are fixedly connected with left inside side measuring jaw 10, and 1 bottom left of main scale is fixed to be connected
It is connected to left-external side measuring jaw 11,1 back side of main scale offers strip groove 12；
Vernier scale 2, what can be socketed is set on the main scale 1, and 2 left side top of vernier scale is fixedly connected with Right Inboard
Measuring jaw 20, fastening screw 21 is provided at the top of the vernier scale 2, and 2 left bottom of vernier scale is fixedly connected with right outside amount
Pawl 22,2 bottom of vernier scale are provided with castor 23；
Depthometer 3 is set to 1 back side of main scale, and 3 back side of depthometer is provided with moving tooth 30, and the moving tooth 30 is
Plastic material has certain elasticity, not will lead to the damage of moving tooth 30 during push-and-pull, the depthometer 3 is close to main scale 1
One end is provided with baffle 31, and 3 front of depthometer is provided with the first graduation mark 32, and first graduation mark 32 is set as 0-
30cm；
Extension rule 4 is set on the depthometer 3,4 back side of extension rule close to 3 one end of depthometer be arranged there are two
Limited block 40, spacing 5cm between described two limited blocks 40, can play supporting function, 4 front of extension rule is provided with
Two graduation marks 41, second graduation mark 41 are set as 31-60cm, and the extension rule 4, depthometer 3,1 length of main scale successively increase
It is long.
Working principle of the utility model is: vernier caliper is logical first when a kind of physics teaching vernier caliper begins to use
Fastening screw 21 is crossed to fastening is adjusted between main scale 1 and depthometer 3, when measuring length or internal diameter outer diameter, the right hand is taken
Firmly main scale 1, the mobile castor 23 of thumb carry out moving cursor ruler 2, and left hand takes object to be measured, determinand is made to be located at exterior measuring measuring jaw
Perhaps between internal measure-hand when being tightly affixed with exterior measuring measuring jaw or internal measure-hand, data can be thus read, measurement is worked as
When depth, first extension rule 4 and depthometer 3 are pulled out from main scale 1, then extension rule 4 and depthometer 3 be put into object into
Row measurement, directly can read data according to the graduation mark on extension rule 4 and depthometer 3, after having used, extension rule
4 and depthometer 3 be put into back in main scale 1.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of physics teaching vernier caliper, it is characterised in that: physics teaching vernier caliper includes:
Main scale (1), main scale (1) top left side are fixedly connected with left inside side measuring jaw (10), and main scale (1) bottom left is solid
Surely it is connected with left-external side measuring jaw (11), main scale (1) back side offers strip groove (12)；
Vernier scale (2), what can be socketed is set on the main scale (1), and vernier scale (2) left side top is fixedly connected in the right side
Side measuring jaw (20), vernier scale (2) top are provided with fastening screw (21), and vernier scale (2) left bottom is fixedly connected
There is right outside measuring jaw (22), vernier scale (2) bottom is provided with castor (23)；
Depthometer (3), is set to the main scale (1) back side, and depthometer (3) back side is provided with moving tooth (30), the depth
Ruler (3) is provided with baffle (31) close to main scale (1) one end, and depthometer (3) front is provided with the first graduation mark (32)；
Extension rule (4) is set on the depthometer (3), and extension rule (4) back side is provided with close to depthometer (3) one end
Two limited blocks (40), extension rule (4) front are provided with the second graduation mark (41).
2. a kind of physics teaching vernier caliper according to claim 1, it is characterised in that: the extension rule (4), depthometer
(3), main scale (1) length successively increases.
3. a kind of physics teaching vernier caliper according to claim 1 or 2, it is characterised in that: first graduation mark
(32) it is set as 0-30cm, second graduation mark (41) is set as 31-60cm.
4. a kind of physics teaching vernier caliper according to claim 1, it is characterised in that: described two limited blocks (40) it
Between spacing 5cm.
5. a kind of physics teaching vernier caliper according to claim 1, it is characterised in that: the moving tooth (30) is plastics material
Matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821920167.XU CN209013845U (en) | 2018-11-21 | 2018-11-21 | A kind of physics teaching vernier caliper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821920167.XU CN209013845U (en) | 2018-11-21 | 2018-11-21 | A kind of physics teaching vernier caliper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209013845U true CN209013845U (en) | 2019-06-21 |
Family
ID=66842858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821920167.XU Active CN209013845U (en) | 2018-11-21 | 2018-11-21 | A kind of physics teaching vernier caliper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209013845U (en) |
-
2018
- 2018-11-21 CN CN201821920167.XU patent/CN209013845U/en active Active
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