CN209101971U - A kind of diameter of work measuring device - Google Patents
A kind of diameter of work measuring device Download PDFInfo
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- CN209101971U CN209101971U CN201822101873.8U CN201822101873U CN209101971U CN 209101971 U CN209101971 U CN 209101971U CN 201822101873 U CN201822101873 U CN 201822101873U CN 209101971 U CN209101971 U CN 209101971U
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- measuring rod
- slot
- diameter
- measuring
- angular protrusion
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- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model provides a kind of diameter of work measuring device, measures for the internal diameter to the workpiece with arc-shaped internal diameter characterized by comprising the first measuring rod has the first through slot；Second measuring rod has the second through slot；Third measuring rod, has third through slot, and the edge of the third through slot is equipped with multiple scale markers；Measure vernier, it is movably accommodated in the first through slot, the second through slot and third through slot, wherein, one end of first measuring rod, the second measuring rod and third measuring rod is successively overlappingly hinged, the end is hinged end, first measuring rod is equipped with the first angular protrusion, second measuring rod is equipped with the second angular protrusion, when so that rotating the second measuring rod and third measuring rod during measurement workpiece, first angular protrusion, the second angular protrusion and hinged end can be fitted simultaneously with the inner surface of workpiece, and then completes measurement.
Description
Technical field
The utility model is specifically related to a kind of diameter of work measuring device.
Background technique
Workpiece calibration technology is the key technology of relationship work piece production quality, right with the raising developed with production efficiency
The precision and efficiency of measurement propose increasingly higher demands.Measurement is frequently necessary in mechanical engineering has arc-shaped internal diameter
The internal diameter of workpiece, such as arc-shaped workpiece or half sleeve type workpiece etc..
Traditional diameter of work measurement uses manual measurement method, i.e., is stuck in workpiece size using vernier caliper and needs to measure
Position, this method is not only time-consuming and laborious by manually measuring and reading to workpiece, and precision is not high.Meanwhile it is general
Logical vernier caliper only has there are two measurement end, and measurement end can not be navigated to accurately to the internal diameter of workpiece very much in measurement process
On, error will also result in measurement result.
In order to overcome the problems, such as that measuring result error is big, occur some electronic measuring devices in the prior art, however this
A little electronic measuring devices are expensive, and operation is also relatively complicated, meanwhile, electronic measuring device holds after being shaken or hitting
It is easy to damage, large effect will also result in its measurement accuracy.
Utility model content
To solve the above problems, the utility model adopts the technical scheme that
The utility model provides a kind of diameter of work measuring device, for the internal diameter to the workpiece with arc-shaped internal diameter
It measures characterized by comprising the first measuring rod, the first perforation that there is the length direction along the first measuring rod to extend
Slot；Second measuring rod, the second through slot that there is the length direction along the second measuring rod to extend；Third measuring rod has along the
The edge of the third through slot that the length direction of three measuring rods extends, the third through slot is used to indicate workpiece equipped with multiple
Diameter and along the length direction of third measuring rod extend scale marker；Vernier is measured, is movably accommodated in first
In through slot, the second through slot and third through slot, wherein the first measuring rod, the second measuring rod and third measuring rod
One end is successively overlappingly hinged, which is hinged end, so that the first measuring rod, the second measuring rod and third measuring rod are equal
It can be rotated around hinged end, the outside portion of the hinged end of the first measuring rod is equipped with the first angular protrusion, the hinge of the second measuring rod
The outside portion for connecing end is equipped with the second angular protrusion, so that rotating the second measuring rod and third measuring rod during measurement workpiece
When, first it is angular protrusion second it is angular protrusion between angle change and allow first it is angular protrusion, the second angular protrusion
And hinged end can fit simultaneously with the inner surface of workpiece and measure vernier the first through slot, the second through slot and
Moved in third through slot, so allow measurement vernier position instruction scale marker corresponding with the diameter of workpiece.
The utility model provides a kind of diameter of work measuring device, can also have the feature that, wherein measurement trip
Mark has anti-rotation portion and fastening part.
The utility model provides a kind of diameter of work measuring device, can also have the feature that, wherein anti-rotation
The both ends in portion are respectively equipped with the first flange and the second flange, the distance between the first flange and the second flange and third measuring rod
Width is adapted, so that anti-rotation portion can be fastened on third measuring rod, and then limits the moving direction of measurement buoy.
The utility model provides a kind of diameter of work measuring device, can also have the feature that, wherein fastening part
For screw.
The utility model provides a kind of diameter of work measuring device, can also have the feature that, wherein first surveys
Angular range between gauge rod and the second measuring rod is 15 °~150 °.
The utility model provides a kind of diameter of work measuring device, can also have the feature that, wherein first jiao
The angle of the top corner part of shape protrusion is 10 °~45 °, the apex angle of the angle of the top corner part of the second angular protrusion and the first angular protrusion
The angle in portion is equal.
The utility model provides a kind of diameter of work measuring device, can also have the feature that, wherein third is surveyed
The hinged end of gauge rod is rounded.
Utility model action and effect
A kind of diameter of work measuring device according to the present utility model, due to the first measuring rod, the second measuring rod and
One end of three measuring rods is successively overlappingly hinged, which is hinged end, therefore the first measuring rod, the second measuring rod and third are surveyed
Gauge rod can be rotated around hinged end.Since the first measuring rod, the second measuring rod and third measuring rod all have through slot,
The edge of the through slot of third measuring rod is equipped with multiple scale markers, and measurement vernier is movably accommodated in each perforation
In slot, while the first measuring rod and the second measuring rod are respectively equipped with angular protrusion, therefore is rotated during measuring workpiece
When one measuring rod and the second measuring rod, each angular protrusion and hinged end can fit simultaneously with the inner surface of workpiece and
Allow measurement buoy moved in through slot, and then allow measurement vernier position instruction graduated scale corresponding with the diameter of workpiece
Know.
Detailed description of the invention
Fig. 1 is the general structure schematic diagram of the diameter of work measuring device of the utility model embodiment；
Fig. 2 is the structural schematic diagram of the first measuring rod of the diameter of work measuring device of the utility model embodiment；
Fig. 3 is the structural schematic diagram of the second measuring rod of the diameter of work measuring device of the utility model embodiment
Fig. 4 is the structural schematic diagram of the third measuring rod of the diameter of work measuring device of the utility model embodiment；
Fig. 5 is the structural schematic diagram of the measurement buoy of the diameter of work measuring device of the utility model embodiment；
Structural schematic diagram when Fig. 6 is the use state of the diameter of work measuring device of the utility model embodiment.
In figure, the first measuring rod of 10-；The angular protrusion of 11- first；The second measuring rod of 20-；The angular protrusion of 21- second；30-
Third measuring rod；40- measures buoy；41- anti-rotation portion；The fastening part 42-.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, with
Lower combination attached drawing is specifically addressed the diameter of work measuring device of the utility model.
Fig. 1 is the general structure schematic diagram of the diameter of work measuring device of the utility model embodiment, and Fig. 2 is that this is practical new
The structural schematic diagram of first measuring rod of the diameter of work measuring device of type embodiment, Fig. 3 are the works of the utility model embodiment
The structural schematic diagram of second measuring rod of part diameter measuring device, Fig. 4 are the diameter of work measurement dresses of the utility model embodiment
The structural schematic diagram for the third measuring rod set, Fig. 5 are the measurement buoys of the diameter of work measuring device of the utility model embodiment
Structural schematic diagram.
As shown in Fig. 1~5, the diameter of work measuring device 100 in the present embodiment is measured including the first measuring rod 10, second
Bar 20, third measuring rod 30 and measurement buoy 40.
One end of first measuring rod 10, the second measuring rod 20 and third measuring rod 30 is successively overlappingly hinged, which is
Hinged end, so that the first measuring rod 10, the second measuring rod 20 and third measuring rod 30 can be rotated around hinged end.
First measuring rod 10 has the first through slot that the length direction along the first measuring rod 10 extends, the first measuring rod 10
Hinged end outside portion be equipped with first angular raised 11, first angular raised 11 angle be 20 °.
Second measuring rod 20 has the second through slot that the length direction along the second measuring rod 20 extends, the second measuring rod 20
Hinged end outside portion be equipped with second angular raised 21, second angular raised 21 angle be 20 °.
Third measuring rod 30 has the third through slot that the length direction along third measuring rod 30 extends, the third through slot
Edge be equipped with multiple diameters for being used to indicate workpiece and along the length direction of third measuring rod extend scale marker.
Measurement vernier 40 is movably accommodated in the first through slot, the second through slot and third through slot, the survey
Measuring vernier 40 has anti-rotation portion 41 and fastening part 42.
The both ends in anti-rotation portion 41 are respectively equipped with the first flange and the second flange, between the first flange and the second flange away from
It is adapted from the width of third measuring rod 30, so that anti-rotation portion 41 can be fastened on third measuring rod 30, in turn
Limitation measurement buoy 40 is only capable of moving along the length extending direction of third measuring rod.
Fastening part 42 is screw, for measurement buoy 40 to be fastened on third measuring rod after measuring the movement of buoy 40
On 30.
Illustrate the diameter of work measuring device 100 in the present embodiment to the workpiece with arc-shaped inner wall below in conjunction with Fig. 6
200 processes measured, specific as follows:
It rotates the first measuring rod 10 first and the second measuring rod 20 allows first angular raised 11 and second angular raised 21
Between angle change, thus allow first angular raised 11, second angular raised 21 and hinged end simultaneously with workpiece 200
Inner surface 201 fit, and then drive measurement buoy 40 moved in the first through slot, the second through slot and third through slot
It is dynamic, then screw fastening part 42 and measurement vernier 40 is allowed to be fastened on third measuring rod 30, and then allow the position instruction of measurement vernier 40
Scale marker corresponding with the diameter of workpiece.
Embodiment action and effect
According to a kind of diameter of work measuring device of the present embodiment, due to the first measuring rod, the second measuring rod and third
One end of measuring rod is successively overlappingly hinged, therefore the first measuring rod, the second measuring rod and third measuring rod can be around
Hinged end rotation.Since the first measuring rod, the second measuring rod and third measuring rod all have through slot, third measuring rod is passed through
The edge of through slot is equipped with multiple scale markers, and measurement vernier is movably accommodated in each through slot, while first
Measuring rod and the second measuring rod are respectively equipped with angular protrusion, therefore rotate the first measuring rod and second during measuring workpiece
When measuring rod, each angular protrusion and hinged end can fit simultaneously with the inner surface of workpiece and measurement buoy allowed to pass through
Moved in through slot, so allow measurement vernier position instruction scale marker corresponding with the diameter of workpiece.
Since measurement vernier has anti-rotation portion, the both ends in the anti-rotation portion are respectively equipped with the first flange and the second flange,
The width of the distance between first flange and the second flange and third measuring rod is adapted, therefore anti-rotation portion can be fastened on the
On three measuring rods, so that measurement buoy only can be mobile in the direction that the length of third measuring rod extends.
Since measurement vernier has fastening part, which is screw, therefore after measuring buoy movement, measures people
Member can be fastened on third measuring rod by tightening screw by buoy is measured, thus be subjected to displacement measurement buoy will not again,
And then reduce measurement error.
Since the angle of the first angular protrusion is 10 °~45 °, the angle of the angle of the second angular protrusion and the first angular protrusion
Spend equal, the hinged end of third measuring rod is rounded, therefore during measuring workpiece there are three measurement ends simultaneously and workpiece
Inner surface fit so that the structure of measurement workpiece is more reliable and more stable, and then reduce measurement error, while using
It is more convenient.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that this field ordinary skill without
It needs creative work according to the present utility model can conceive and makes many modifications and variations.Therefore, it is all in the art
Technical staff passes through logical analysis, reasoning, or a limited experiment according to the design of the utility model on the basis of existing technology can
It, all should be within the scope of protection determined by the claims with obtained technical solution.
Claims (7)
1. a kind of diameter of work measuring device, measures, feature exists for the internal diameter to the workpiece with arc-shaped internal diameter
In, comprising:
First measuring rod, the first through slot that there is the length direction along first measuring rod to extend；
Second measuring rod, the second through slot that there is the length direction along second measuring rod to extend；
Third measuring rod, the third through slot that there is the length direction along the third measuring rod to extend, the third through slot
The quarter that edge is equipped with multiple diameters for being used to indicate workpiece for measurement and extends along the length direction of the third measuring rod
Scale is known；
Vernier is measured, first through slot, second through slot and the third through slot are movably accommodated in
It is interior,
Wherein, one end of first measuring rod, second measuring rod and the third measuring rod is successively overlappingly hinged,
The end is hinged end, so that first measuring rod, second measuring rod and the third measuring rod can be around
Hinged end rotation,
The outside portion of the hinged end of first measuring rod is equipped with the first angular protrusion,
The outside portion of the hinged end of second measuring rod is equipped with the second angular protrusion, so that measuring the process of the workpiece
When middle rotation first measuring rod and second measuring rod, the first angular protrusion and the described second angular protrusion
Between angle change and allow the described first angular protrusion, the second angular protrusion and the hinged end can simultaneously with
The inner surface of the workpiece fits and the measurement vernier is in first through slot, second through slot and described
Moved in third through slot, so allow it is described measurement vernier the position instruction scale corresponding with the diameter of the workpiece
Mark.
2. diameter of work measuring device according to claim 1, it is characterised in that:
Wherein, the measurement vernier has anti-rotation portion and fastening part.
3. diameter of work measuring device according to claim 2, it is characterised in that:
Wherein, the both ends in the anti-rotation portion are respectively equipped with the first flange and the second flange,
The distance between first flange and second flange and the width of the third measuring rod are adapted, so that
The anti-rotation portion can be fastened on the third measuring rod, and then limit the moving direction of the measurement vernier.
4. diameter of work measuring device according to claim 2, it is characterised in that:
Wherein, the fastening part is screw.
5. diameter of work measuring device according to claim 1, it is characterised in that:
Wherein, the angular range between the described first angular protrusion and the second angular protrusion is 30 °~150 °.
6. diameter of work measuring device according to claim 1, it is characterised in that:
Wherein, the angle of the top corner part of the described first angular protrusion is 10 °~45 °,
The angle of the top corner part of the second angular protrusion is equal with the angle of top corner part of the described first angular protrusion.
7. diameter of work measuring device according to claim 1, it is characterised in that:
Wherein, the hinged end of the third measuring rod is rounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822101873.8U CN209101971U (en) | 2018-12-14 | 2018-12-14 | A kind of diameter of work measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822101873.8U CN209101971U (en) | 2018-12-14 | 2018-12-14 | A kind of diameter of work measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209101971U true CN209101971U (en) | 2019-07-12 |
Family
ID=67162885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822101873.8U Active CN209101971U (en) | 2018-12-14 | 2018-12-14 | A kind of diameter of work measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209101971U (en) |
-
2018
- 2018-12-14 CN CN201822101873.8U patent/CN209101971U/en active Active
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Effective date of registration: 20200630 Address after: 201411, Shanghai, Fengxian District hung highway 3098 Patentee after: SHANGHAI TECHNICAL INSTITUTE OF ELECTRONICS & INFORMATION Address before: 201411 Fengxian District Shanghai Fengcheng town Hongmiao community Hongfu Road Patentee before: Shanghai Electronic Industry School |