CN208140000U - A kind of diameter of bore measuring tool - Google Patents
A kind of diameter of bore measuring tool Download PDFInfo
- Publication number
- CN208140000U CN208140000U CN201820838350.9U CN201820838350U CN208140000U CN 208140000 U CN208140000 U CN 208140000U CN 201820838350 U CN201820838350 U CN 201820838350U CN 208140000 U CN208140000 U CN 208140000U
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- China
- Prior art keywords
- gauge head
- measuring staff
- diameter
- measuring
- bore
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a kind of diameter of bore measuring tools, including a measuring staff, one end of the measuring staff connects a movable gauge head, and movable gauge head can be moved up and down relative to measuring staff, and the fixation device that its position is fixed is additionally provided on movable gauge head；Measuring staff other end setting one adjustment gauge head that can be moved up and down of connection, and a radial positioning device, axis bilateral symmetry of the radial positioning device relative to the measuring staff are equipped in the lower section of adjustment gauge head；The lower end of adjustment gauge head is pressed under the action of compressed spring.The measurement method leans on locating plate automatic centering using the symmetry of circle, so that the adjustment gauge head of measuring tool is located substantially on one of measured hole diametrically, to improve the efficiency and measurement accuracy of measurement.
Description
Technical field
The utility model relates to field of measuring technique more particularly to a kind of measurement internal diameter tools.
Background technique
The internal diameter of measurement pipe part, such as cylinder inner bore, the steel bushing inner hole of compressor are frequently necessary in mechanical engineering
Workpiece of some diameters in Ф 800-1200mm.And being relatively large in diameter for cylinder inner bore, cause the large labor intensity of measurement, measurement essence
It spends low.For this problem, there is the indirect measurement method of major diameter, such as action method, π ruler method, roller method, all fail to solve
The certainly problem that measurement is complicated, measurement accuracy is not high.The highest method of measurement accuracy be using high precision large-sized three coordinate machine, but it is right
For the medium-sized and small enterprises of single-piece production, cost is higher.Typically now in enterprise, dial bore gage is mostly used, is relied on
The experience of worker guarantees measurement accuracy.When measuring diameter of bore with dial bore gage, the key of measurement is to correctly find
The diameter in one section.In actual measurement, since diameter of bore is larger, measuring staff is longer, and diameter dot is usually looked for inaccurate when measurement.
For this purpose, devising a kind of using easy dedicated Cylinder inner bore diameter measurement tool.
Utility model content
The purpose of this utility model is to provide a kind of measuring tool, the internal diameter suitable for tube components is measured, and can adapt to essence
The needs in close mechanical measurement field.
The utility model uses following technical scheme：
A kind of diameter of bore measuring tool, including a measuring staff, one end of the measuring staff connect a movable gauge head, institute
The movable gauge head stated can be moved up and down relative to measuring staff, and be additionally provided on movable gauge head one and its position is fixed
Fixed device；Measuring staff other end setting one adjustment gauge head that can be moved up and down of connection, and in the lower section of adjustment gauge head
Equipped with a radial positioning device, axis bilateral symmetry of the radial positioning device relative to the measuring staff；It is radial fixed
Position device is pressed in the lower end of adjustment gauge head under the action of compressed spring.
Further, the compressed spring is sleeved on the measuring staff；One circle boss of setting, pressure on the measuring staff
Contracting spring one end is compressed on the boss, and the other end is compressed in below positioning positioning device.
Further, the positioning device includes a locating plate vertical with measuring staff axial direction and one and suit
Sleeve on the measuring rod, the lower section of locating plate is arranged in the sleeve and the axis of its sleeve is vertical with locating plate；Described
Axis bilateral symmetry of the locating plate relative to the measuring staff.
Further, the fixation device is a fastening screw, and the side of the movable gauge head is provided with one
A location hole, the fastening screw are inserted into the positioning hole, the relative position of fixed activity gauge head and measuring staff.
Further, external screw thread is provided at the both ends of the measuring staff.
Further, the movable gauge head is the hollow cylindrical structure that a head is hemispherical configuration, is sleeved on
On the measuring staff, cooperate with the threaded one end of measuring staff.
Further, the adjustment gauge head includes an adjusting nut, and hemispherical is equipped on the adjusting nut
The other end of contact head, the adjusting nut and measuring staff is threadedly engaged.
The method measured using mentioned-above diameter of bore measuring tool to inner hole of workpiece is as follows：
According to the nominal diameter of measured workpiece inner hole, appropriate adjustment activity gauge head makes to adjust the length of entire tool
Its diameter for being slightly less than measured bore；After adjustment, its position is fixed with the fixation device on movable gauge head；
The measuring tool is put into inner hole of workpiece, the lower end of movable gauge head is made to be adjacent to inner hole of workpiece surface, locating plate exists
Under the promotion of compressed spring, it is pressed in the lower end of adjustment gauge head, the position of adjustment adjustment gauge head makes four angles and the workpiece of locating plate
Bore area reliable contacts；
Then rotation adjustment stylus adjustment position makes the top and the work piece inner surface reliable contacts that adjust gauge head, Ji Kebiao
Determine a diameter of measured hole；
Measuring tool is taken out, measured bore diameter can be obtained with the length that indicating snap gauge measures entire tool.
Further, since measured bore might have deviation from circular from, when measurement rotatable measuring tool symmetrical measurement 2
Secondary, this error can be eliminated by being averaged.
Symmetry of this measurement method using circle, a diameter of normal section where helping user to look for quickly.According to
The nominal diameter of measured bore, appropriate adjustment activity gauge head it is slightly less than measured bore to adjust the length of entire tool
Diameter.After adjustment, fastened with the fastening screw on movable gauge head.The measuring tool is put into inner hole of workpiece, makes to live
Dynamic gauge head obtains lower end and is adjacent to inner hole of workpiece surface, and locating plate is pressed in the lower end of adjustment gauge head under the promotion of compressed spring 3, adjusts
The position of whole adjustment gauge head 1 makes four angles of locating plate with 4 reliable contacts of inner hole of workpiece surface, and then rotation adjustment gauge head 1 adjusts
Position makes the top and the work piece inner surface reliable contacts that adjust gauge head, can demarcate a diameter of measured hole.Take out measurement work
Tool, can be obtained measured bore diameter with the length that indicating snap gauge measures entire tool.Since measured bore might have circle
Error is spent, when measurement is measuring tool symmetrical measurement 2 times rotatable, this error can be eliminated by being averaged.
The beneficial effects of the utility model are as follows：
The measurement method leans on locating plate automatic centering, makes the adjustment gauge head of measuring tool substantially using the symmetry of circle
Diametrically positioned at one of measured hole, to improve the efficiency and measurement accuracy of measurement.
Symmetry of this measurement method using circle, a diameter of normal section where helping user to look for quickly.According to
The nominal diameter of measured bore, appropriate adjustment activity gauge head it is slightly less than measured bore to adjust the length of entire tool
Diameter.After adjustment, fastened with the fastening screw on movable gauge head.The measuring tool is put into inner hole of workpiece, makes to live
Dynamic gauge head obtains lower end and is adjacent to inner hole of workpiece surface, and locating plate is pressed in the lower end of adjustment gauge head under the promotion of compressed spring 3, adjusts
The position of whole adjustment gauge head 1 makes four angles of locating plate with 4 reliable contacts of inner hole of workpiece surface, and then rotation adjustment gauge head 1 adjusts
Position makes the top and the work piece inner surface reliable contacts that adjust gauge head, can demarcate a diameter of measured hole.Take out measurement work
Tool, can be obtained measured bore diameter with the length that indicating snap gauge measures entire tool.Since measured bore might have circle
Error is spent, when measurement is measuring tool symmetrical measurement 2 times rotatable, this error can be eliminated by being averaged.The measuring tool knot
Structure and method structure are simple, at low cost, can be applied to the measurement of wide range of diameters by adjusting activity gauge head.
Detailed description of the invention
In order to become apparent from, effectively illustrate the technical solution of the utility model embodiment, by use required in embodiment
Attached drawing be briefly described, it is implicit that, the drawings in the following description are merely some embodiments of the present invention, right
For those skilled in the art, without involving an inventive effort under the premise of, can also do according to these attached drawings
Other attached drawings out.
Fig. 1 is the structural schematic diagram of the utility model diameter of bore measuring tool.
Fig. 2 is the structural schematic diagram of the utility model diameter of bore measuring tool.
Fig. 3 is the structural schematic diagram of the utility model diameter of bore measuring tool.
In figure：1 adjustment gauge head, 2 locating plates, 3 springs, 4 inner hole of workpiece surfaces, 5 measuring staffs, 6 movable gauge heads, 7 fastening screws.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination；
In order to facilitate narration, if there is "upper", "lower", " left side " " right side " printed words in the utility model, only indicate and attached drawing
The upper and lower, left and right direction of itself is consistent, not to structure rise restriction effect, it is only for convenient for description the utility model and
Simplify description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with specific orientation construction
And operation, therefore should not be understood as limiting the present invention.
Term explains part:The terms such as term " installation ", " connected ", " connection ", " fixation " in the utility model should be done
It broadly understood, for example, it may be being fixedly connected, may be a detachable connection, or be integrated；It can be mechanical connection, it can be with
It is to be directly connected to, is also possible to indirectly connected through an intermediary, can be connection inside two elements or two elements
Interaction relationship can understand above-mentioned term in this reality as the case may be for the ordinary skill in the art
With novel concrete meaning.
As background technique is introduced, it is frequently necessary in mechanical engineering in measurement pipe part in the prior art
Diameter, such as the cylinder inner bore of compressor, some diameters of steel bushing inner hole are in the workpiece of Ф 800-1200mm.And the diameter of cylinder inner bore
It is larger, the large labor intensity of measurement is caused, measurement accuracy is low.For this problem, there is the indirect measurement method of major diameter,
Such as action method, π ruler method, roller method all not can solve the problem that measurement is complicated, measurement accuracy is not high.Measurement accuracy is highest
Method is using high precision large-sized three coordinate machine, but for the medium-sized and small enterprises of single-piece production, cost is higher.Now
In general enterprises, dial bore gage is mostly used, guarantees measurement accuracy by the experience of worker.Inner hole is measured with dial bore gage
When diameter, the key of measurement is to correctly find the diameter in a section.In actual measurement, since diameter of bore is larger,
Measuring staff is longer, and diameter dot is usually looked for inaccurate when measurement.For this purpose, devising a kind of using easy dedicated Cylinder inner bore diameter measurement
Tool, in order to solve technical problem as above, present applicant proposes a kind of diameter of bore measuring tool and measurement methods.
In a kind of typical embodiment of the application, as shown in Figure 1, including a measuring staff 5, the one of the measuring staff 5
The movable gauge head 6 of end connection one, the movable gauge head 6 can be moved up and down relative to measuring staff, and be also set up on movable gauge head 6
There is the fixation device that its position is fixed；Measuring staff other end setting one adjustment that can be moved up and down of connection
Gauge head, and it is equipped with a positioning device in the lower section of adjustment gauge head, the positioning device is pressed under the action of compressed spring
Adjust the lower end of gauge head.
Further, the compressed spring 3 is sleeved on the measuring staff, and a circle boss is arranged on the measuring staff,
3 one end of compressed spring is compressed on the boss, and the other end is compressed in below positioning positioning device.
Further, positioning device includes a locating plate 2 vertical with measuring staff axial direction and one and be sleeved on survey
Sleeve on bar, the lower section of locating plate is arranged in the sleeve and the axis of its sleeve is vertical with locating plate；Locating plate is opposite
In the axis bilateral symmetry of measuring staff；The center of locating plate is arranged in sleeve；
Further, fixed device is a fastening screw 7, and the side of the movable gauge head is provided with a positioning
Hole, the fastening screw are inserted into the positioning hole, the relative position of fixed activity gauge head and measuring staff.
Further, external screw thread is provided at the both ends of the measuring staff；The movable gauge head is that a head is half
The hollow cylindrical structure of chondritic is sleeved on the measuring staff, is cooperated with the threaded one end of measuring staff.The adjustment is surveyed
Head includes an adjusting nut, and hemispherical contact head is equipped on the adjusting nut, the adjusting nut and measuring staff
The other end is threadedly engaged.
Symmetry of this measurement method using circle, a diameter of normal section where helping user to look for quickly.According to
The nominal diameter of measured bore, appropriate adjustment activity gauge head 6 it is slightly less than in tested to adjust the length of entire tool
The diameter in hole.After adjustment, fastened with the fastening screw 7 on movable gauge head 6.The measuring tool is put into inner hole of workpiece,
So that movable gauge head 6 is obtained lower end and be adjacent to inner hole of workpiece surface 4, locating plate 2 is pressed in adjustment gauge head 1 under the promotion of compressed spring 3
The position of lower end, adjustment adjustment gauge head 1 makes four angles and 4 reliable contacts of inner hole of workpiece surface of locating plate 2.Then rotation adjustment
Gauge head 1 adjusts position, makes the top and the work piece inner surface reliable contacts that adjust gauge head 1, can demarcate a diameter of measured hole.
Measuring tool is taken out, measured bore diameter can be obtained with the length that indicating snap gauge measures entire tool.Due to measured bore
It might have deviation from circular from, when measurement is measuring tool symmetrical measurement 2 times rotatable, this error can be eliminated by being averaged.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (7)
1. a kind of diameter of bore measuring tool, which is characterized in that including a measuring staff, one end of the measuring staff connects a work
Dynamic gauge head, the movable gauge head can be moved up and down relative to measuring staff, and be additionally provided with one to its position on movable gauge head
The fixation device being fixed；Measuring staff other end setting one adjustment gauge head that can be moved up and down of connection, and adjusting
The lower section of gauge head is equipped with a radial positioning device, and the radial positioning device is relative to described axis of measuring staff or so pair
Claim；Radial positioning device is pressed in the lower end of adjustment gauge head under the action of compressed spring.
2. diameter of bore measuring tool as described in claim 1, which is characterized in that the compressed spring is sleeved on described
On measuring staff；One circle boss of setting, compressed spring one end are compressed on the boss on the measuring staff, and it is fixed that the other end is compressed in positioning
Below the device of position.
3. diameter of bore measuring tool as described in claim 1, which is characterized in that the radial positioning device includes one
Locating plate is arranged in the locating plate vertical with measuring staff axial direction and a sleeve with suit on the measuring rod, the sleeve
The axis of lower section and its sleeve is vertical with locating plate；Axis bilateral symmetry of the locating plate relative to the measuring staff.
4. diameter of bore measuring tool as described in claim 1, which is characterized in that the fixation device is a fastening spiral shell
Nail, is provided with a location hole in the side of the movable gauge head, and the fastening screw is inserted into the positioning hole, fixed
The relative position of movable gauge head and measuring staff.
5. diameter of bore measuring tool as described in claim 1, which is characterized in that be provided at the both ends of the measuring staff outer
Screw thread.
6. diameter of bore measuring tool as claimed in claim 5, which is characterized in that the movable gauge head is that a head is
The hollow cylindrical structure of hemispherical configuration is sleeved on the measuring staff, is cooperated with the threaded one end of measuring staff.
7. diameter of bore measuring tool as claimed in claim 5, which is characterized in that the adjustment gauge head includes an adjustment
Nut, is equipped with hemispherical contact head on the adjusting nut, and the other end of the adjusting nut and measuring staff is threadedly engaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820838350.9U CN208140000U (en) | 2018-05-31 | 2018-05-31 | A kind of diameter of bore measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820838350.9U CN208140000U (en) | 2018-05-31 | 2018-05-31 | A kind of diameter of bore measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208140000U true CN208140000U (en) | 2018-11-23 |
Family
ID=64314630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820838350.9U Expired - Fee Related CN208140000U (en) | 2018-05-31 | 2018-05-31 | A kind of diameter of bore measuring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208140000U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081797A (en) * | 2019-05-30 | 2019-08-02 | 中国工程物理研究院机械制造工艺研究所 | For the detection device and detection method of hole, axis band slightly |
| CN111238340A (en) * | 2020-03-18 | 2020-06-05 | 山东大学 | Inner diameter measuring device and method |
| CN113028947A (en) * | 2021-03-24 | 2021-06-25 | 中国空气动力研究与发展中心高速空气动力研究所 | Tool and method for measuring inner diameter of cylinder |
-
2018
- 2018-05-31 CN CN201820838350.9U patent/CN208140000U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081797A (en) * | 2019-05-30 | 2019-08-02 | 中国工程物理研究院机械制造工艺研究所 | For the detection device and detection method of hole, axis band slightly |
| CN110081797B (en) * | 2019-05-30 | 2023-11-28 | 中国工程物理研究院机械制造工艺研究所 | Detection device and detection method for hole and shaft belt tip |
| CN111238340A (en) * | 2020-03-18 | 2020-06-05 | 山东大学 | Inner diameter measuring device and method |
| CN113028947A (en) * | 2021-03-24 | 2021-06-25 | 中国空气动力研究与发展中心高速空气动力研究所 | Tool and method for measuring inner diameter of cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20181123 Termination date: 20200531 |