CN212645569U - Special-shaped inner hole measuring tool - Google Patents
Special-shaped inner hole measuring tool Download PDFInfo
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- CN212645569U CN212645569U CN202021847407.5U CN202021847407U CN212645569U CN 212645569 U CN212645569 U CN 212645569U CN 202021847407 U CN202021847407 U CN 202021847407U CN 212645569 U CN212645569 U CN 212645569U
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Abstract
The utility model discloses a special-shaped inner hole measuring tool, which comprises a first measuring tool support, a second measuring tool support, a dial indicator and a measuring tool spring, wherein the middle part of the first measuring tool support is connected with the middle part of the second measuring tool support through a rotating shaft, and the end part of the first measuring tool support is connected with the end part of the second measuring tool support through the measuring tool spring; the other end of the first support of the measuring tool is provided with a first support probe, the other end of the second support of the measuring tool is provided with a second support probe, the first support probe and the second support probe have the same structure, the measuring end of the dial indicator penetrates through the second support of the measuring tool to abut against the first support of the measuring tool, the end part of the spring of the measuring tool is connected with the second support of the measuring tool, and the other end of the spring of the measuring tool is connected with the first support of the measuring tool.
Description
Technical Field
The utility model belongs to the technical field of mechanical measurement, concretely relates to abnormal shape hole measuring tool.
Background
In the process of measuring the special-shaped inner hole, most of the special-shaped inner hole is measured in an inner diameter dial gauge mode in the market, but the existing measuring equipment is limited by the structure and cannot accurately measure the inner hole. Meanwhile, the device has the defects of complex structure, difficulty in operation during measurement and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems and providing a special-shaped inner hole measuring tool with simple structure, convenient operation and lower manufacturing cost.
In order to solve the technical problem, the technical scheme of the utility model is that: a special-shaped inner hole measuring tool comprises a first measuring tool support, a second measuring tool support, a dial indicator and a measuring tool spring, wherein the middle part of the first measuring tool support is connected with the middle part of the second measuring tool support through a rotating shaft, and the end part of the first measuring tool support is connected with the end part of the second measuring tool support through the measuring tool spring; the other end of the first support of the measuring tool is provided with a first support probe, the other end of the second support of the measuring tool is provided with a second support probe, the first support probe and the second support probe have the same structure, the measuring end of the dial indicator penetrates through the second support of the measuring tool to abut against the first support of the measuring tool, the end part of the spring of the measuring tool is connected with the second support of the measuring tool, and the other end of the spring of the measuring tool is connected with the first support of the measuring tool.
Preferably, the end of the first support of the measuring tool is of a bent structure, the first support of the measuring tool is provided with a first support groove of the measuring tool, a second support groove of the measuring tool, a first support rotating shaft hole of the measuring tool, a first support frame rod of the measuring tool, a first support connecting piece of the measuring tool and a first support connecting hole of the measuring tool, the first support rotating shaft hole of the measuring tool is located between the first support groove of the measuring tool and the second support groove of the measuring tool, the first support frame rod of the measuring tool is located at the end of the bent portion of the first support of the measuring tool, the first support connecting piece of the measuring tool is located on the first support frame rod of the measuring tool and is connected with a spring of the measuring tool, and the first support probe is.
Preferably, the first measuring tool support first groove and the first measuring tool support second groove are both through groove structures, and the cross section of the first measuring tool support first groove and the cross section of the first measuring tool support second groove are similar triangles.
Preferably, the direction of extension of the end of the bent portion of the first support of the measuring tool is opposite to the direction of extension of the end of the bar of the first support of the measuring tool.
Preferably, a second support block of the measuring tool, a second support rotating shaft hole of the measuring tool, a second support connecting hole of the measuring tool and a second support groove of the measuring tool are arranged on the second support of the measuring tool, the second support block of the measuring tool is positioned at the end of the second support of the measuring tool, a second support connecting shaft of the measuring tool and a second support fixing hole of the measuring tool are arranged on the second support block of the measuring tool, the measuring end of the dial indicator passes through the second support fixing hole of the measuring tool to be connected with the first support of the measuring tool, the end of the spring of the measuring tool is connected with the second support connecting shaft of the measuring tool, the end of the rotating shaft passes through the second support rotating shaft hole of the measuring tool to be connected with the second support of the measuring tool, and the.
Preferably, the second support block of the measuring tool comprises a second support block main body of the measuring tool and a second support block fixing part of the measuring tool, the second support block main body of the measuring tool is of a trapezoid structure, a second support block main body groove of the measuring tool is arranged on the second support block main body of the measuring tool, the second support block main body groove of the measuring tool is connected with the second support block groove of the measuring tool, and the second support fixing hole of the measuring tool is located on the second support block fixing part of the measuring tool.
Preferably, the second support connecting shaft of the measuring tool is located in the main body groove of the second support block of the measuring tool, and the axis of the second support connecting shaft of the measuring tool is perpendicular to the axis of the second support fixing hole of the measuring tool.
Preferably, the axis of the second support rotating shaft hole of the measuring tool and the axis of the second support connecting hole of the measuring tool are perpendicular to each other.
The utility model has the advantages that: the utility model provides a heterotypic hole measuring tool simple structure, convenient operation, the range of application is wider. When the inner hole that conventional measuring tool can't reach is measured, can provide a measuring device that measurement accuracy is higher, easy and simple to handle, satisfy the special requirement on the market.
Drawings
Fig. 1 is a schematic structural view of a special-shaped inner hole measuring tool of the present invention;
fig. 2 is a schematic structural view of a first support of the measuring tool of the present invention;
fig. 3 is a schematic structural view of a second support of the measuring tool of the present invention;
fig. 4 is a schematic side view of the second support of the measuring tool of the present invention.
Description of reference numerals: 1. a first support of the measuring tool; 2. a second support of the measuring tool; 3. a dial indicator; 4. a gauge spring; 5. a rotating shaft; 6. a first stent probe; 7. a second stent probe; 11. a measuring tool first support first groove; 12. the measuring tool comprises a first support and a second support; 13. a measuring tool first support rotating shaft hole; 14. a first support rod of the measuring tool; 15. a measuring tool first support connection; 16. The measuring tool comprises a first support connecting hole; 20. a second support block of the measuring tool; 21. a measuring tool second support rotating shaft hole; 22. the measuring tool is connected with the second support connecting hole; 23. a second support groove of the measuring tool; 24. the measuring tool second bracket connecting shaft; 25. and the measuring tool is provided with a second support fixing hole.
Detailed Description
The invention will be further described with reference to the following drawings and specific embodiments:
as shown in fig. 1 to 4, the utility model provides a pair of abnormal shape hole measuring tool, including the first support 1 of measuring tool, the second support 2 of measuring tool, percentage table 3, measuring tool spring 4, the middle part of the first support 1 of measuring tool and the middle part of the second support 2 of measuring tool are connected through pivot 5, and the tip of the first support 1 of measuring tool and the tip of the second support 2 of measuring tool pass through measuring tool spring 4 and link to each other. The other end of the first support 1 of the measuring tool is provided with a first support probe 6, the other end of the second support 2 of the measuring tool is provided with a second support probe 7, the first support probe 6 and the second support probe 7 are identical in structure, the measuring end of the dial indicator 3 penetrates through the second support 2 of the measuring tool to be abutted against the first support 1 of the measuring tool, the end part of the spring 4 of the measuring tool is connected with the second support 2 of the measuring tool, and the other end of the spring 4 of the measuring tool is connected with the first support 1 of the measuring tool.
In this embodiment, the first stent probe 6, the second stent probe 7 and the dial indicator 3 are all prior art devices. The first support probe 6 is of a cylindrical structure, and the first support probe 6 is vertically connected with the end part of the first support 1 of the measuring tool. During actual measurement, the first support 1 and the second support 2 of the measuring tool drive the first support probe 6 and the second support probe 7 to move in the hole to be measured respectively and contact with the inner wall of the hole. The inner diameter of the measuring hole is measured and converted by reading the dial indicator 3 at the other end of the first support 1 and the second support 2 of the measuring tool.
The end part of the first support 1 of the measuring tool is of a bending structure, the first support 1 of the measuring tool is provided with a first support first groove 11 of the measuring tool, a first support second groove 12 of the measuring tool, a first support rotating shaft hole 13 of the measuring tool, a first support frame rod 14 of the measuring tool, a first support connecting piece 15 of the measuring tool and a first support connecting hole 16 of the measuring tool, and the first support rotating shaft hole 13 of the measuring tool is positioned between the first support first groove 11 of the measuring tool and the first support second groove 12 of the measuring tool. The measuring tool first support rod 14 is located at the end of the bent portion of the measuring tool first support 1, the measuring tool first support connector 15 is located on the measuring tool first support rod 14 and connected with the measuring tool spring 4, and the first support probe 6 is inserted into the measuring tool first support connection hole 16 and connected with the measuring tool first support 1.
The first measuring tool support first groove 11 and the first measuring tool support second groove 12 are both through groove structures, and the cross section of the first measuring tool support first groove 11 and the cross section of the first measuring tool support second groove 12 are similar triangles. The first measuring tool first support first groove 11 and the first measuring tool first support second groove 12 are formed in the first measuring tool support 1, so that the structural strength of the first measuring tool support 1 can be improved, the manufacturing cost of the first measuring tool support 1 can be reduced, and the practicability is high.
The direction of the extension line of the end of the bent part of the first support 1 of the measuring tool is opposite to the direction of the extension line of the end of the first support rod 14 of the measuring tool. The position of the gauge spring 4 is then adjusted by adjusting the position of the gauge first bracket connection 15 on the gauge first bracket bar 14 in order to increase the accuracy of the measurement of the dial gauge 3.
The second measuring tool support 2 is provided with a second measuring tool support block 20, a second measuring tool support rotating shaft hole 21, a second measuring tool support connecting hole 22 and a second measuring tool support groove 23, the second measuring tool support block 20 is located at the end of the second measuring tool support 2, the second measuring tool support block 20 is provided with a second measuring tool support connecting shaft 24 and a second measuring tool support fixing hole 25, the measuring end of the dial indicator 3 penetrates through the second measuring tool support fixing hole 25 to be connected with the first measuring tool support 1, the end of the measuring tool spring 4 is connected with the second measuring tool support connecting shaft 24, the end of the rotating shaft 5 penetrates through the second measuring tool support rotating shaft hole 21 to be connected with the second measuring tool support 2, and the end of the second support probe 7 penetrates through the second measuring tool support connecting hole 22 and is connected with the second measuring tool support 2.
In the use process, the first measuring tool bracket 1 penetrates through the second measuring tool bracket groove 23, and the rotating shaft 5 sequentially penetrates through the second measuring tool bracket rotating shaft hole 21 and the first measuring tool bracket rotating shaft hole 13, so that the first measuring tool bracket 1 and the second measuring tool bracket 2 are in a scissor-shaped structure.
The second support block 20 of the measuring tool comprises a second support block main body of the measuring tool and a second support block fixing part of the measuring tool, which are fixedly connected into a whole, the second support block main body of the measuring tool is of a trapezoidal structure, a second support block main body groove of the measuring tool is arranged on the second support block main body of the measuring tool, the second support block main body groove of the measuring tool is connected with the second support groove 23 of the measuring tool, and the second support fixing hole 25 of the measuring tool is positioned on the second support block fixing part of the measuring tool.
The measuring tool second bracket connecting shaft 24 is positioned in the measuring tool second bracket block main body groove, and the axis of the measuring tool second bracket connecting shaft 24 is perpendicular to the axis of the measuring tool second bracket fixing hole 25. The end of the gauge spring 4 is connected to the gauge second bracket connecting shaft 24, and the other end of the gauge spring 4 is connected to the gauge first bracket connecting member 15. During the measurement of the inner hole, the movement of the first support 1 and the second support 2 of the measuring tool is reset by the telescopic movement of the spring 4 of the measuring tool.
The axis of the gauge second support rotating shaft hole 21 and the axis of the gauge second support connecting hole 22 are perpendicular to each other. The rotating shaft 5 penetrates through the rotating shaft hole 21 of the second support of the measuring tool, and the end part of the probe 7 of the second support penetrates through the connecting hole 22 of the second support of the measuring tool.
In the present implementation, the rotary drawer 5 divides the first support 1 and the second support 2 of the measuring tool into two parts, respectively, and the distance from the rotating shaft 5 to the first support probe 6 is half of the distance from the rotating shaft 5 to the other end of the first support 1 of the measuring tool. Similarly, the distance from the second bracket probe 7 to the rotating shaft 5 is half of the distance from the rotating shaft 5 to the other end of the second bracket 2 of the measuring tool. The utility model discloses a measuring gauge that this application adopted is percentage table 3, in the in-service use process, can more change current measuring equipment such as amesdial into according to the measurement demand, has increased the utility model discloses an application scope has stronger practicality.
The lengths of the first and second stent probes 6 and 7 are set according to the requirements of actual products and the measuring environment in use so that accurate measurement data can be obtained.
The utility model discloses a theory of operation does:
the staff will the utility model discloses the tip that has first support probe 6 and second support probe 7 stretches into in the bore of awaiting measuring, then through the tip that changes the first support of measuring tool 1 and measuring tool second support 2, makes first support probe 6 and second support probe 7 and the bore contact of awaiting measuring then, demonstrates the measurement reading on the percentage table 3, converts into needs measured data then, accomplishes measurement work. After the data measurement is finished, the measuring tool spring 4 is reset and then the measuring tool returns to the initial state. Before measurement, the positions of the first support probe 6 and the second support probe 7 and the reading of the dial indicator 3 need to be subjected to zero alignment operation according to design requirements, so that measurement errors are avoided, and the measurement result is more accurate.
When the end part of the first support 1 of the measuring tool and the end part of the second support 2 of the measuring tool are forced to approach each other, the distance between the probe 6 of the first support and the probe 7 of the second support is reduced, so that the end part of the first support 1 of the measuring tool and the end part of the second support 2 of the measuring tool can pass through a narrow area with a narrow front section, then the end part of the first support 1 of the measuring tool and the end part of the second support 2 of the measuring tool are loosened, the first support 1 of the measuring tool moves towards the dial indicator 3 under the action of the spring 4 of the measuring tool, the first support probe 6 and the probe 7 of the second support stop when touching the inner wall of the part to be measured, at the moment, the deviation value of the reading of the dial indicator 3 is 2 times of the actual deviation value, then the actual size is obtained through.
It will be appreciated by those of ordinary skill in the art that the embodiments described herein are intended to assist the reader in understanding the principles of the invention, and it is to be understood that the scope of the invention is not limited to such specific statements and embodiments. Those skilled in the art can make various other specific modifications and combinations based on the teachings of the present invention without departing from the spirit of the invention, and such modifications and combinations are still within the scope of the invention.
Claims (8)
1. A heterotypic hole measuring tool which characterized in that: the measuring tool comprises a first measuring tool support (1), a second measuring tool support (2), a dial indicator (3) and a measuring tool spring (4), wherein the middle part of the first measuring tool support (1) is connected with the middle part of the second measuring tool support (2) through a rotating shaft (5), and the end part of the first measuring tool support (1) is connected with the end part of the second measuring tool support (2) through the measuring tool spring (4); the other end of the first support (1) of the measuring tool is provided with a first support probe (6), the other end of the second support (2) of the measuring tool is provided with a second support probe (7), the first support probe (6) and the second support probe (7) have the same structure, the measuring end of the dial indicator (3) penetrates through the second support (2) of the measuring tool to be abutted against the first support (1) of the measuring tool, the end part of the spring (4) of the measuring tool is connected with the second support (2) of the measuring tool, and the other end of the spring (4) of the measuring tool is connected with the first support (1) of the measuring tool.
2. A profiled bore gauge according to claim 1, wherein: the end part of the first measuring tool support (1) is of a bending structure, a first measuring tool support first groove (11), a first measuring tool support second groove (12), a first measuring tool support rotating shaft hole (13), a first measuring tool support rod (14), a first measuring tool support connecting piece (15) and a first measuring tool support connecting hole (16) are formed in the first measuring tool support (1), the first measuring tool support rotating shaft hole (13) is located between the first measuring tool support first groove (11) and the first measuring tool support second groove (12), and the first measuring tool support rod (14) is located at the end part of the bending part of the first measuring tool support (1); the first support connecting piece (15) of the measuring tool is positioned on the first support rod (14) of the measuring tool and connected with the spring (4) of the measuring tool, and the first support probe (6) is arranged in the first support connecting hole (16) of the measuring tool in a penetrating way and connected with the first support (1) of the measuring tool.
3. A profiled bore gauge according to claim 2, wherein: the first support first groove (11) of the measuring tool and the first support second groove (12) of the measuring tool are both of through groove structures, and the section of the first support first groove (11) of the measuring tool and the section of the first support second groove (12) of the measuring tool are similar triangles.
4. A profiled bore gauge according to claim 2, wherein: the extension line direction of the end part of the bent part of the first support (1) of the measuring tool is opposite to the extension line direction of the end part of the first support rod (14) of the measuring tool.
5. A profiled bore gauge according to claim 1, wherein: the second measuring tool bracket (2) is provided with a second measuring tool bracket block (20), a rotating shaft hole (21) of the second measuring tool bracket, a second measuring tool bracket connecting hole (22) and a second measuring tool bracket groove (23), the second measuring tool support block (20) is located at the end of the second measuring tool support (2), a second measuring tool support connecting shaft (24) and a second measuring tool support fixing hole (25) are formed in the second measuring tool support block (20), the measuring end of the dial indicator (3) penetrates through the second measuring tool support fixing hole (25) to be connected with the first measuring tool support (1), the end of the measuring tool spring (4) is connected with the second measuring tool support connecting shaft (24), the end of the rotating shaft (5) penetrates through the second measuring tool support rotating shaft hole (21) to be connected with the second measuring tool support (2), and the end of the second support probe (7) penetrates through the second measuring tool support connecting hole (22) to be connected with the second measuring tool support (2).
6. A profiled bore gauge according to claim 5, wherein: the second support block (20) of the measuring tool comprises a second support block main body of the measuring tool and a second support block fixing part of the measuring tool, wherein the second support block main body of the measuring tool is fixedly connected into a whole, the second support block main body of the measuring tool is of a trapezoid structure, a second support block main body groove of the measuring tool is formed in the second support block main body of the measuring tool, the second support block main body groove of the measuring tool is connected with a second support groove (23) of the measuring tool, and a second support fixing hole (25) of the measuring tool is formed in the second support block fixing part of.
7. A profiled bore gauge according to claim 6, wherein: the second support connecting shaft (24) of the measuring tool is positioned in the main body groove of the second support block of the measuring tool, and the axis of the second support connecting shaft (24) of the measuring tool is perpendicular to the axis of the second support fixing hole (25) of the measuring tool.
8. A profiled bore gauge according to claim 5, wherein: the axis of the rotating shaft hole (21) of the second support of the measuring tool is perpendicular to the axis of the connecting hole (22) of the second support of the measuring tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021847407.5U CN212645569U (en) | 2020-08-28 | 2020-08-28 | Special-shaped inner hole measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021847407.5U CN212645569U (en) | 2020-08-28 | 2020-08-28 | Special-shaped inner hole measuring tool |
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| Publication Number | Publication Date |
|---|---|
| CN212645569U true CN212645569U (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021847407.5U Active CN212645569U (en) | 2020-08-28 | 2020-08-28 | Special-shaped inner hole measuring tool |
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|---|---|
| CN (1) | CN212645569U (en) |
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2020
- 2020-08-28 CN CN202021847407.5U patent/CN212645569U/en active Active
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