CN208720957U - A kind of screw spiral raceway central diameter measuring tool - Google Patents
A kind of screw spiral raceway central diameter measuring tool Download PDFInfo
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- CN208720957U CN208720957U CN201821444490.4U CN201821444490U CN208720957U CN 208720957 U CN208720957 U CN 208720957U CN 201821444490 U CN201821444490 U CN 201821444490U CN 208720957 U CN208720957 U CN 208720957U
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- dial framework
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Abstract
The utility model relates to a kind of screw spiral raceway central diameter measuring tools, it includes bottom plate and dial framework, bottom plate top is provided with v block, V-groove is provided in the middle part of v block, steel ball is placed in V-groove, retainer is provided between v block upper surface and steel ball, dial framework is provided on the right side of v block, dial framework lower part is fixed on bottom plate by vertical screw, dial framework top is provided with fixed block, measuring rod is provided on dial framework, bushing is provided between measuring rod and dial framework, measuring rod upper end is connected with measurement table, measurement table and measuring rod junction are provided with spring, spring is fixed inside fixed block, measurement table is fixed on fixed block by table folder nut and table folder, measuring rod lower end is provided with measuring head, workpiece for measurement is placed between measuring head and steel ball, the middle part face workpiece for measurement position of dial framework is provided with backing plate, backing plate passes through transverse direction Screw is fixed on dial framework；The utility model has the advantages that measurement is simple, error is small, measurement efficiency is high.
Description
Technical field
The utility model belongs to middle through field of measuring technique, and in particular to through measuring tool in a kind of screw spiral raceway.
Background technique
In measuring screw thread through when, generally require expensive instrument or with check gauge mutually transmitting, but repeatedly to declare and
It tears large labor intensity open, certain influence is also brought along to check gauge precision, measure in screw thread use three needles through majority at present
Mensuration, when measurement, three precision are very high, the identical metering pin of diameter be placed on tested screw thread tooth it is recessed in, with measurement outside dimension
Measurement instrument such as micrometer, mechanical comparator, light measure size compared with instrument, horizontal metroscope etc., then by being calculated and surveying
Through the method measurement is more troublesome, complex steps, and measurement efficiency is low；Therefore it provides a kind of measurement is simple, error is small, measurement
It is necessary in high-efficient screw spiral raceway through measuring tool.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provide that a kind of measurement is simple, error is small, surveys
Through measuring tool in the high screw spiral raceway of amount efficiency.
Purpose of the utility model is realized as follows: a kind of screw spiral raceway central diameter measuring tool, it includes bottom plate and table
Frame, the bottom plate top are provided with v block, are provided with V-groove in the middle part of the v block, steel ball, institute are placed in the V-groove
It states and is provided with retainer between v block upper surface and steel ball, the part of the retainer face V-groove is provided with fixation hole, institute
It states and is provided with dial framework on the right side of v block, the dial framework lower part is fixed on bottom plate by vertical screw, and the dial framework top is provided with
Fixed block is provided with measuring rod on the dial framework, and bushing is provided between the measuring rod and dial framework, and the measuring rod upper end connects
It is connected to measurement table, measurement table and measuring rod junction are provided with spring, and the spring is fixed inside fixed block, the survey
Scale is fixed on fixed block by table folder nut and table folder, and the measuring rod lower end is provided with measuring head, the measuring head with
Workpiece for measurement is placed between steel ball, the middle part face workpiece for measurement position of the dial framework is provided with backing plate, and the backing plate passes through cross
It is fixed on dial framework to screw.
Steel ball is identical with the diameter of measuring head, and the steel ball and measuring head of same diameter are the bases of measurement, in subsequent
It is computed and brings more accurate effect.
The V-groove is arranged in parallel with dial framework, and the setting of V-groove is can to make steel ball in V-groove to place steel ball
Mobile, the setting for being parallel to dial framework facilitates the fixation of steel ball and measuring head, steel ball and measuring head can be made better in measurement
It is contacted in workpiece for measurement, makes to measure more accurate.
The quantity of the retainer is two, is arranged above v block, and can move up in the axis of V-groove, is protected
Holding frame can be convenient steel ball movement, be more easily controlled steel ball, while the movement for reducing steel ball that can be small size in measurement, from
And reduce measurement error.
The fixed block is fixed on dial framework by screw, and fixed block is fixed in the upper plane of Z-type dial framework.
The utility model has the beneficial effects that in measurement, the steel that is consistent on v block with screw spiral raceway by two
Ball and the bulb measuring rod that measurement table can be pushed with surface measure spiral rolling track central diameter for replacing Three-ball method, then lead to
The middle warp for being calculated and being surveyed is crossed, realizes rapid survey spiral rolling track central diameter；The utility model is simple with measurement, error is small,
The high advantage of measurement efficiency.
Detailed description of the invention
Fig. 1 is in a kind of screw spiral raceway of the utility model through measuring tool structural schematic diagram.
Fig. 2 is in a kind of screw spiral raceway of the utility model through measuring tool v block structural schematic diagram.
In figure: 1, table folder nut 2, table folder 3, fixed block 4, measuring rod 5, bushing 6, dial framework 7, backing plate
8, cross screw 9, vertical screw 10, straight pin 11, bottom plate 12, spring 13, measuring head 14, steel ball 15,
Retainer 16, v block 17, measurement table 18, workpiece for measurement 19, V-groove 20, fixation hole.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
Embodiment 1
As illustrated in fig. 1 and 2, a kind of screw spiral raceway central diameter measuring tool, it includes bottom plate 11 and dial framework 6, the bottom plate 11
Top is provided with v block 16, and V-groove 19 is provided in the middle part of the v block 16, and steel ball 14 is placed in the V-groove 19, described
Retainer 15 is provided between 16 upper surface of v block and steel ball 14, the part of the 15 face V-groove 19 of retainer is provided with solid
Determine hole 20, dial framework 6 is provided on the right side of the v block 16,6 lower part of dial framework is fixed on bottom plate 11 by vertical screw 9, institute
It states 6 top of dial framework and is provided with fixed block 3, measuring rod 4 is provided on the dial framework 6, is arranged between the measuring rod 4 and dial framework 6
There is bushing 5,4 upper end of measuring rod is connected with measurement table 17, and measurement table 17 and 4 junction of measuring rod are provided with spring 12, institute
It states spring 12 to be fixed inside fixed block 3, the measurement table 17 is fixed on fixed block 3 by table folder nut 1 and table folder 2
On, 4 lower end of measuring rod is provided with measuring head 13, and workpiece for measurement 18 is placed between the measuring head 13 and steel ball 14, described
18 position of middle part face workpiece for measurement of dial framework 6 is provided with backing plate 7, and the backing plate 7 is fixed on dial framework 6 by cross screw 8.
In measurement, by two steel balls being consistent on v block 16 with screw spiral raceway 14 and can with surface
To push the measuring rod 4 of measurement table 17, for replacing Three-ball method measurement spiral rolling track central diameter, then by being calculated and being surveyed
Realized rapid survey spiral rolling track central diameter；The utility model has the advantages that measurement is simple, error is small, measurement efficiency is high.
Embodiment 2
As illustrated in fig. 1 and 2, a kind of screw spiral raceway central diameter measuring tool, it includes bottom plate 11 and dial framework 6, the bottom plate 11
Top is provided with v block 16, and V-groove 19 is provided in the middle part of the v block 16, and steel ball 14 is placed in the V-groove 19, described
Retainer 15 is provided between 16 upper surface of v block and steel ball 14, the part of the 15 face V-groove 19 of retainer is provided with solid
Determine hole 20, dial framework 6 is provided on the right side of the v block 16,6 lower part of dial framework is fixed on bottom plate 11 by vertical screw 9, institute
It states 6 top of dial framework and is provided with fixed block 3, measuring rod 4 is provided on the dial framework 6, is arranged between the measuring rod 4 and dial framework 6
There is bushing 5,4 upper end of measuring rod is connected with measurement table 17, and measurement table 17 and 4 junction of measuring rod are provided with spring 12, institute
It states spring 12 to be fixed inside fixed block 3, the measurement table 17 is fixed on fixed block 3 by table folder nut 1 and table folder 2
On, 4 lower end of measuring rod is provided with measuring head 13, and workpiece for measurement 18 is placed between the measuring head 13 and steel ball 14, described
18 position of middle part face workpiece for measurement of dial framework 6 is provided with backing plate 7, and the backing plate 7 is fixed on dial framework 6 by cross screw 8.
Steel ball 14 is identical with the diameter of measuring head 13.
V-groove 19 is arranged in parallel with dial framework 6.
The quantity of retainer 15 is two, is arranged at 16 top of v block, and can move up in the axis of V-groove 19.
Fixed block 3 is fixed by screws on dial framework 6.
In measurement, by two steel balls being consistent on v block 16 with screw spiral raceway 14 and can with surface
To push the measuring rod 4 of measurement table 17, for replacing Three-ball method measurement spiral rolling track central diameter, then by being calculated and being surveyed
Realized rapid survey spiral rolling track central diameter；The utility model has the advantages that measurement is simple, error is small, measurement efficiency is high.
Claims (5)
1. a kind of screw spiral raceway central diameter measuring tool, it includes bottom plate and dial framework, it is characterised in that: the bottom plate top is provided with
V block is provided with V-groove in the middle part of the v block, is placed with steel ball in the V-groove, the v block upper surface and steel ball it
Between be provided with retainer, the part of the retainer face V-groove is provided with fixation hole, be provided with dial framework on the right side of the v block,
The dial framework lower part is fixed on bottom plate by vertical screw, and the dial framework top is provided with fixed block, is arranged on the dial framework
There is measuring rod, bushing is provided between the measuring rod and dial framework, the measuring rod upper end is connected with measurement table, measurement table and survey
Gauge rod junction is provided with spring, and the spring is fixed inside fixed block, and the measurement table passes through table folder nut and table
Folder is fixed on fixed block, and the measuring rod lower end is provided with measuring head, places workpiece for measurement between the measuring head and steel ball,
The middle part face workpiece for measurement position of the dial framework is provided with backing plate, and the backing plate is fixed on dial framework by cross screw.
2. a kind of screw spiral raceway central diameter measuring tool according to claim 1, it is characterised in that: the steel ball and measuring head
Diameter it is identical.
3. a kind of screw spiral raceway central diameter measuring tool according to claim 1, it is characterised in that: the V-groove and dial framework
It is arranged in parallel.
4. a kind of screw spiral raceway central diameter measuring tool according to claim 1, it is characterised in that: the quantity of the retainer
It is two, is arranged above v block, and can be moved up in the axis of V-groove.
5. a kind of screw spiral raceway central diameter measuring tool according to claim 1, it is characterised in that: the fixed block passes through spiral shell
Nail is fixed on dial framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821444490.4U CN208720957U (en) | 2018-09-05 | 2018-09-05 | A kind of screw spiral raceway central diameter measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821444490.4U CN208720957U (en) | 2018-09-05 | 2018-09-05 | A kind of screw spiral raceway central diameter measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208720957U true CN208720957U (en) | 2019-04-09 |
Family
ID=65980972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821444490.4U Active CN208720957U (en) | 2018-09-05 | 2018-09-05 | A kind of screw spiral raceway central diameter measuring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208720957U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433500A (en) * | 2021-12-22 | 2022-05-06 | 歌尔光学科技有限公司 | Screw sorting device |
-
2018
- 2018-09-05 CN CN201821444490.4U patent/CN208720957U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433500A (en) * | 2021-12-22 | 2022-05-06 | 歌尔光学科技有限公司 | Screw sorting device |
| CN114433500B (en) * | 2021-12-22 | 2024-01-30 | 歌尔科技有限公司 | Screw sorting device |
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