CN203518871U - External diameter vernier caliper - Google Patents
External diameter vernier caliper Download PDFInfo
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- CN203518871U CN203518871U CN201320630898.1U CN201320630898U CN203518871U CN 203518871 U CN203518871 U CN 203518871U CN 201320630898 U CN201320630898 U CN 201320630898U CN 203518871 U CN203518871 U CN 203518871U
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- caliper
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Abstract
The utility model, which belongs to the technical field of the vernier caliper, relates to an external diameter vernier caliper that is used for measuring external diameters of axis parts rapidly and conveniently. According to the technical scheme, the external diameter vernier caliper comprises a caliper body, measuring claws, a handle, a main measurement caliper, and an auxiliary measuring caliper. Two measuring claws are arranged; one ends of the two measuring claws are connected and the connection point is fixed at one end of the caliper body; and the two measuring claws are symmetrically distributed along the axis of the caliper body and the included angle between the two measuring claws is 60 degrees. The other end of the caliper body is provided with the handle; and the auxiliary measuring caliper is fixed at the caliper body and the main measurement caliper is sleeved at the auxiliary measuring caliper, wherein the main measurement caliper and the auxiliary measuring caliper are in sliding connection. The main measurement caliper and the auxiliary measuring caliper are in parallel with the axis of the caliper body; and scales are marked on the main measurement caliper and the auxiliary measuring caliper. When the two measuring claws and the main measurement caliper clamp the outer side of the shaft diameter tightly, the main measurement caliper clamp can display the shaft diameter data; and the measurement operation can be realized only by one hand. Moreover, the provided vernier caliper with characteristics of simple structure, simple and rapid operation, accurate value indication, and large measurement range has the advantages on stepped shaft measurement.
Description
Technical field
The utility model relates to a kind of vernier caliper of measuring axle external diameter, belongs to vernier caliper technical field.
Background technology
In commercial production, the instrument of the external diameter of general measurement Axle Parts is vernier caliper and outside micrometer.Vernier caliper is by main scale and be attached to slidable vernier two parts on main scale and form.On the main scale of vernier caliper and vernier, having two secondary movable measuring jaws, is respectively interior measuring claw and external pelivimetry pawl, and interior measuring claw is commonly used to measure internal diameter, and external pelivimetry pawl is commonly used to measure length and external diameter.Vernier caliper is used for measurement size, outside dimension, also can measure the degree of depth of endoporus, the height of step, general angle and gear tooth thickness etc.Outside micrometer is to utilize screw pair principle the distance of separating between two measurement faces on arc chi frame to be carried out to the general dimensional measuring instrument of reading, and it is the surveying instrument more accurate than vernier caliper, and its range is 0-25 millimeter, and scale division value is 0.01 millimeter.
The advantage of vernier caliper is that range ability is large, can measure the axle class external diameter of various different-diameters, and its shortcoming is that precision is lower, is also likely subject to the impact that operator promotes vernier strength, when measuring the larger diameter of axle of diameter, needs two manual manipulations simultaneously.The advantage of outside micrometer is that measuring accuracy is high, is not vulnerable to operator's man's activity, and its shortcoming is that range ability is little.
Utility model content
Technical problem to be solved in the utility model is to provide that a kind of range ability is large, measuring accuracy is high, measure external vernier callipers quick, easy to use.
The technical scheme solving the problems of the technologies described above is:
A kind of external vernier callipers, it comprises blade, measuring claw, handle, measurement main scale, measures secondary chi, measuring claw is two, two measuring claw one end are connected, tie point is fixed on one end of blade, two measuring claws are laid so that blade axis is symmetrical, angle between two measuring claws is 60 °, the other end of blade is provided with handle, measure secondary chi and be fixed on blade, measure main scale and be sleeved on the secondary chi of measurement, measure main scale and measure secondary chi for being slidably connected, measure main scale, to measure secondary chi parallel with blade axis, measurement main scale, measure on secondary chi and have scale.
Above-mentioned external vernier callipers, when the front end face of described measurement main scale is positioned at the tie point position of two measuring claws, measures main scale and overlaps on a straight line perpendicular to blade axis with the scale zero of measuring secondary chi.
Above-mentioned external vernier callipers, the front end face of the inside surface of described two measuring claws and measurement main scale studs with respectively wimet, to guarantee its wearing quality.
Above-mentioned external vernier callipers, has " 0 " scale mark on described blade, " 0 " scale mark on blade aligns with the scale zero of measuring secondary chi.
The beneficial effects of the utility model are:
The utility model adopts two fork-shaped measuring claw structures, measuring main scale can move along measuring secondary chi, and two measuring claws when measuring main scale and clamp outside the diameter of axle, are measured main scale and can be shown diameter of axle data, during measurement, adopt one hand to operate, measure numerical value and can not be subject to operator's man's activity.The utility model is simple in structure, simple and efficient to handle, indicating value is accurate, measurement range is large, measures more aobvious its superiority of multidiameter, is the new specialty instrument of Parts Measurement external diameter, has the value of promoting the use of.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the vertical view of Fig. 1.
In figure, mark is as follows: blade 1, measuring claw 2, handle 3, measure main scale 4, measure secondary chi 5, scale 6, wimet 7, screw 8, workpiece 9.
Embodiment
The utility model by blade 1, measuring claw 2, handle 3, measure main scale 4, measure secondary chi 5 and form.
In figure, show, measuring claw 2 is two, and two measuring claw 2 one end are connected, and tie point is fixed on one end of blade 1, and two measuring claws 2 are laid so that blade 1 axis is symmetrical, form fork-shaped measuring claw, and the other end of blade 1 is provided with handle 3.
In figure, show, measure secondary chi 5 and be fixed on blade 1, measure main scale 4 and be sleeved on the secondary chi 5 of measurement, measure main scale 4 and measure secondary chi 5 for being slidably connected, measure main scale 4, to measure secondary chi 5 parallel with blade 1 axis, the front end of measurement main scale 4 is L shaped try square, is convenient to be adjacent to axle side.The secondary chi 5 of measurement of the embodiment showing in figure is two and is with reeded strip plate, lay respectively at the both sides up and down of blade 1, on the secondary chi 5 of measurement of every side, be processed with 2 slotted holes, by screw 8, be fixed on blade 1, the groove of the secondary chi 5 of measurement of both sides is relative, measure main scale 4 and be stuck between two grooves, can in two grooves, slide.
In figure, show, the angle between two measuring claws is 60 °.Measure main scale 4, measure on secondary chi 5 and have scale, when measuring the front end face of main scale 4 and be positioned at the tie point position of two measuring claws 2, measure main scale 4 and overlap on a straight line perpendicular to blade 1 axis with the scale zero of the secondary chi 5 of measurement.On blade 1, have " 0 " scale mark, " 0 " scale mark on blade 1 aligns with the scale zero of measuring secondary chi 5 simultaneously.Measure on the plate face of secondary chi 5 and be also processed with an elliptical aperture, to show " 0 " scale mark of blade 1.
The Calibration principle of measuring main scale 4 and the secondary chi 5 of measurement with the Calibration principle of vernier caliper identical, accuracy class can be 0.02mm or 0.01mm.
In figure, show, the front end face of the inside surface of two measuring claws 2 and measurement main scale 4 studs with respectively wimet 7, to guarantee its wearing quality.
Measuring principle of the present utility model:
When the measurement face of two measuring claws 2 of blade 1 front end is simultaneously and when the periphery of measured workpiece 9 is tangent, promote forward to measure main scale 4, the measurement face that makes to measure the front end of main scale 4 pushes against measured workpiece 9, radius and blade 1 central axis of two measuring claws 2, workpiece 1 form respectively two right-angle triangles, because the angle between two measuring claws 2 is 60 °, according to trigonometric function, can calculate the radius R and the relation of measuring the measured value X of main scale 4, R+X=2R of measured workpiece 9,, X=R.Namely, the radius R of measured value X=measured workpiece 9, the diameter d=2X of measured workpiece 9.
" 0 " of the present utility model position method of adjustment:
Slide and measure main scale 4, " 0 " groove of measuring main scale 4 is alignd with " 0 " groove of measuring secondary chi 5.
Unclamp and measure the screw 8 that secondary chi 5 is connected with blade 1, paste the surface sliding of blade 1 and measuring secondary chi 5, make to measure the measurement of main scale 4 in the face of the intersection point of the measurement face line of 1 two measuring claws 2 of neat blade, now, measure " 0 " groove of secondary chi 5 and " 0 " groove of blade 1 aligns, screw screw 8, will measure secondary chi 5 fixing.
Using method of the present utility model:
One hand is held handle 3, makes the sturdy measured workpiece 9 of measurement face of two measuring claws 2, and makes to measure the sturdy measured workpiece 9 of measurement face of main scale 4, and the indicating value of measuring main scale 4 and the secondary chi 5 of measurement is the radius of measured workpiece 9.During measurement, should make the measurement face of two measuring claws 2 and measured workpiece 9 sturdy, crossfoot measurement face and measured workpiece 9 total lengths of measuring main scale 4 are sturdy, to guarantee the accuracy of reading.
Claims (4)
1. an external vernier callipers, it is characterized in that: it comprises blade (1), measuring claw (2), handle (3), measure main scale (4), measure secondary chi (5), measuring claw (2) is two, two measuring claws (2) one end is connected, tie point is fixed on one end of blade (1), two measuring claws (2) are laid so that blade (1) axis is symmetrical, angle between two measuring claws (2) is 60 °, the other end of blade (1) is provided with handle (3), measuring secondary chi (5) is fixed on blade (1), measuring main scale (4) is sleeved on the secondary chi of measurement (5), measure main scale (4) and measure secondary chi (5) for being slidably connected, measure main scale (4), measure secondary chi (5) parallel with blade (1) axis, measure main scale (4), measure on secondary chi (5) and have scale.
2. external vernier callipers according to claim 1, it is characterized in that: when the front end face of described measurement main scale (4) is positioned at the tie point position of two measuring claws (2), measures main scale (4) and overlap on a straight line perpendicular to blade (1) axis with the scale zero of measuring secondary chi (5).
3. external vernier callipers according to claim 2, is characterized in that: the front end face of the inside surface of described two measuring claws (2) and measurement main scale (4) studs with respectively wimet (7).
4. external vernier callipers according to claim 3, is characterized in that: on described blade (1), have " 0 " scale mark, " 0 " scale mark on blade (1) aligns with the scale zero of measuring secondary chi (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320630898.1U CN203518871U (en) | 2013-10-14 | 2013-10-14 | External diameter vernier caliper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320630898.1U CN203518871U (en) | 2013-10-14 | 2013-10-14 | External diameter vernier caliper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203518871U true CN203518871U (en) | 2014-04-02 |
Family
ID=50377791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320630898.1U Expired - Fee Related CN203518871U (en) | 2013-10-14 | 2013-10-14 | External diameter vernier caliper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203518871U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844430A (en) * | 2018-04-27 | 2018-11-20 | 北京汽车股份有限公司 | Fillet measuring device |
| CN111307021A (en) * | 2020-03-03 | 2020-06-19 | 浙江中技建设工程检测有限公司 | Diameter measuring device for outer wall of cambered surface structure and using method thereof |
| CN112595210A (en) * | 2020-11-25 | 2021-04-02 | 广东电网有限责任公司梅州供电局 | Overhead conductor radius detection device |
| CN116447950A (en) * | 2022-01-06 | 2023-07-18 | 中国石油天然气集团有限公司 | A cylinder axis height measuring instrument and its measuring method |
-
2013
- 2013-10-14 CN CN201320630898.1U patent/CN203518871U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844430A (en) * | 2018-04-27 | 2018-11-20 | 北京汽车股份有限公司 | Fillet measuring device |
| CN111307021A (en) * | 2020-03-03 | 2020-06-19 | 浙江中技建设工程检测有限公司 | Diameter measuring device for outer wall of cambered surface structure and using method thereof |
| CN112595210A (en) * | 2020-11-25 | 2021-04-02 | 广东电网有限责任公司梅州供电局 | Overhead conductor radius detection device |
| CN112595210B (en) * | 2020-11-25 | 2023-02-17 | 广东电网有限责任公司梅州供电局 | Overhead conductor radius detection device |
| CN116447950A (en) * | 2022-01-06 | 2023-07-18 | 中国石油天然气集团有限公司 | A cylinder axis height measuring instrument and its measuring method |
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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 |
Granted publication date: 20140402 Termination date: 20141014 |
|
| EXPY | Termination of patent right or utility model |