CN215413522U - External spline tooth thickness measuring instrument - Google Patents
External spline tooth thickness measuring instrument Download PDFInfo
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- CN215413522U CN215413522U CN202121602201.0U CN202121602201U CN215413522U CN 215413522 U CN215413522 U CN 215413522U CN 202121602201 U CN202121602201 U CN 202121602201U CN 215413522 U CN215413522 U CN 215413522U
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- tooth thickness
- external spline
- disc
- rotating disc
- trigger mechanism
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Abstract
The utility model discloses an external spline tooth thickness measuring instrument which comprises an installation shell, a measuring meter, a trigger mechanism, a fixed disc and a rotating disc, wherein the upper end and the lower end of the installation shell are respectively provided with the fixed disc, the installation shell is internally provided with the rotating disc which can rotate around the axis of the installation shell, the fixed disc and the rotating disc are coaxial, the axis of the fixed disc is provided with a first through hole, the axis of the rotating disc is provided with a second through hole, the inner walls of the first through hole and the second through hole are respectively provided with an internal spline, the tooth space of the internal spline is larger than or equal to the maximum allowable tooth thickness of an external spline to be measured, the projections under the internal splines on the two first through holes are completely overlapped, the installation shell is provided with the trigger mechanism, the trigger mechanism is connected with the rotating disc, and the trigger mechanism drives the rotating disc to rotate. According to the utility model, the measuring meter, the trigger mechanism, the fixed disc and the rotating disc are matched, so that the tooth thickness of the external spline can be directly read through the measuring meter, the measurement is convenient, the precision is high, and the error is small.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of measurement, in particular to the technical field of an external spline tooth thickness measuring instrument.
[ background of the utility model ]
The external spline is a commonly used part and requires high precision in order to function properly. The conventional external spline is usually obtained by conversion of a cross-bar distance when the tooth thickness is measured, and cannot be directly measured, and the measuring method of the function is troublesome in measurement and has larger error.
[ Utility model ] content
The utility model aims to solve the problems in the prior art and provides an external spline tooth thickness measuring instrument which can directly measure the tooth thickness of an external spline and has high precision.
In order to achieve the purpose, the utility model provides an external spline tooth thickness measuring instrument, which comprises a mounting shell, a measuring meter, a trigger mechanism, a fixed disc and a rotating disc, wherein the upper end and the lower end of the mounting shell are respectively provided with the fixed disc, the mounting shell is internally provided with the rotating disc which can rotate around the axis of the mounting shell, the fixed disc and the rotating disc are coaxial, the axis of the fixed disc is provided with a first through hole, the axis of the rotating disc is provided with a second through hole, the inner walls of the first through hole and the second through hole are respectively provided with an internal spline, the tooth space of the internal spline is larger than or equal to the maximum allowable tooth thickness of an external spline to be measured, the lower projections of the internal splines on the two first through holes are completely overlapped, the mounting shell is provided with the trigger mechanism, the trigger mechanism is connected with the rotating disc, the trigger mechanism drives the rotating disc to rotate, the mounting shell is provided with the measuring meter, and the measuring meter comprises a measuring part, the measuring part is matched with the rotating disc, the measuring part is used for measuring the rotating angle of the rotating disc, and the measuring meter converts the rotating angle of the rotating disc into the tooth thickness of the external spline.
Preferably, a standard external spline is provided, and the tooth thickness of the standard external spline is the nominal tooth thickness of the external spline to be measured.
Preferably, a bearing is sleeved outside the rotating disc and fixed inside the mounting shell.
Preferably, when the trigger mechanism is pulled, the projections under the internal spline on the first through hole and the internal spline on the second through hole are completely overlapped.
Preferably, the measuring meter is a digital display measuring meter, and a zero returning button is arranged on the measuring meter.
Preferably, a connecting rod is fixed on the rotating disc, the trigger mechanism comprises a fixed rod and a spring, the connecting rod is connected with the fixed rod, the spring abuts against the fixed rod, and the fixed rod is always in a compressed state.
The utility model has the beneficial effects that: according to the utility model, the measuring meter, the trigger mechanism, the fixed disc and the rotating disc are matched, so that the tooth thickness of the external spline can be directly read through the measuring meter, the measurement is convenient, the precision is high, and the error is small.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a front view of an external spline tooth thickness measuring instrument of the present invention;
FIG. 2 is a partial schematic view of an external spline tooth thickness measuring instrument according to the present invention.
In the figure: 1-mounting shell, 2-trigger mechanism, 3-measuring meter, 11-fixed disk, 12-rotating disk, 13-first through hole, 14-second through hole, 15-bearing, 16-connecting rod, 20-fixing rod and 30-measuring part.
[ detailed description ] embodiments
Referring to fig. 1 and 2, the external spline tooth thickness measuring instrument of the present invention includes an installation shell 1, a measuring meter 3, a trigger mechanism 2, a fixed disk 11 and a rotating disk 12, wherein the upper and lower ends of the installation shell 1 are respectively provided with the fixed disk 11, the installation shell 1 is internally provided with the rotating disk 12 capable of rotating around its own axis, the fixed disk 11 and the rotating disk 12 are coaxial, the axis of the fixed disk 11 is provided with a first through hole 13, the axis of the rotating disk 12 is provided with a second through hole 14, the inner walls of the first through hole 13 and the second through hole 14 are respectively provided with an internal spline, the tooth pitch of the internal spline is greater than or equal to the maximum allowable tooth thickness of the external spline to be measured, the downward projections of the internal splines on the two first through holes 13 are completely overlapped, the installation shell 1 is provided with the trigger mechanism 2, the trigger mechanism 2 is connected with the rotating disk 12, the trigger mechanism 2 drives the rotating disk 12 to rotate, the installation shell 1 is provided with the measuring meter 3, the measuring meter 3 comprises a measuring part 30, the measuring part 30 is matched with the rotating disc 12, the measuring part 30 is used for measuring the rotating angle of the rotating disc 12, the measuring meter 3 converts the rotating angle of the rotating disc 12 into the tooth thickness of an external spline and is provided with a standard external spline, the tooth thickness of the standard external spline is the nominal tooth thickness of the external spline to be measured, a bearing 15 is sleeved outside the rotating disc 12, the bearing 15 is fixed inside the mounting shell 1, the lower projection of the internal spline on the first through hole 13 and the internal spline on the second through hole 14 are completely overlapped when the trigger mechanism 2 is pulled, the measuring meter 3 is a digital display type measuring meter 3, a return-to-zero button is arranged on the measuring meter 3, a connecting rod 16 is fixed on the rotating disc 12, the trigger mechanism 2 comprises a fixed rod 20 and a return spring, the connecting rod 16 is connected with the fixed rod 20 and abuts against the return spring fixed rod 20, the return spring is always in a compressed state.
The working process of the utility model is as follows:
in the working process of the external spline tooth thickness measuring instrument, the trigger mechanism 2 is pulled tightly, the standard external spline is inserted into the first through hole 13 and the second through hole 14, the trigger mechanism 2 is loosened, the measuring meter 3 is reset to zero, the trigger mechanism 2 is pulled tightly after three times, the standard external spline 2 is taken out, the external spline to be measured is put in, the trigger mechanism 2 is loosened, the numerical value is read, and the numerical value at the moment is the deviation value between the external spline to be measured and the standard external spline.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (6)
1. The utility model provides an external spline tooth thickness measuring apparatu which characterized in that: the measuring device comprises an installation shell (1), a measuring meter (3), a trigger mechanism (2), a fixed disc (11) and a rotating disc (12), wherein the fixed disc (11) is installed at the upper end and the lower end of the installation shell (1), the rotating disc (12) capable of rotating around the axis of the installation shell (1) is installed inside the installation shell, the fixed disc (11) and the rotating disc (12) are coaxial, a first through hole (13) is formed in the axis of the fixed disc (11), a second through hole (14) is formed in the axis of the rotating disc (12), internal splines are arranged on the inner walls of the first through hole (13) and the second through hole (14), the tooth space of the internal splines is larger than or equal to the maximum allowable tooth thickness of an external spline to be measured, projections of the internal splines on the two first through holes (13) are completely overlapped, the trigger mechanism (2) is installed on the installation shell (1), and the trigger mechanism (2) is connected with the rotating disc (12), trigger mechanism (2) drive rolling disc (12) and rotate, install one meter (3) on installation shell (1), meter (3) include one measuring part (30), and measuring part (30) cooperate with rolling disc (12), and measuring part (30) are used for measuring the turned angle of rolling disc (12), and meter (3) convert the turned angle of rolling disc (12) into the tooth thickness of external splines.
2. The external spline tooth thickness measuring instrument according to claim 1, wherein: and the standard external spline is matched, and the tooth thickness of the standard external spline is the nominal tooth thickness of the external spline to be measured.
3. The external spline tooth thickness measuring instrument according to claim 1, wherein: a bearing (15) is sleeved outside the rotating disc (12), and the bearing (15) is fixed inside the mounting shell (1).
4. The external spline tooth thickness measuring instrument according to claim 1, wherein: when the trigger mechanism (2) is wrenched, the lower projections of the internal spline on the first through hole (13) and the internal spline on the second through hole (14) are completely overlapped.
5. The external spline tooth thickness measuring instrument according to claim 1, wherein: the measuring meter (3) is a digital display type measuring meter (3), and a zero returning button is arranged on the measuring meter (3).
6. The external spline tooth thickness measuring instrument according to claim 1, wherein: a connecting rod (16) is fixed on the rotating disc (12), the trigger mechanism (2) comprises a fixed rod (20) and a reset spring, the connecting rod (16) is connected with the fixed rod (20), the reset spring abuts against the fixed rod (20), and the reset spring is always in a compression state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121602201.0U CN215413522U (en) | 2021-07-14 | 2021-07-14 | External spline tooth thickness measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121602201.0U CN215413522U (en) | 2021-07-14 | 2021-07-14 | External spline tooth thickness measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215413522U true CN215413522U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121602201.0U Active CN215413522U (en) | 2021-07-14 | 2021-07-14 | External spline tooth thickness measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215413522U (en) |
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2021
- 2021-07-14 CN CN202121602201.0U patent/CN215413522U/en active Active
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