Internal thread height measuring instrument
By designing an adjustable internal thread height measuring instrument, the combination of cardboard, threaded rod and scales solves the problem that existing devices are difficult to measure high internal threads, and achieves accurate measurement and portability of workpieces of different heights.
Patent Information
- Application Number
- CN202421103832.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-20
AI Technical Summary
The existing internal thread height measurement device lacks adjustment function, making it difficult to accurately measure the height of high internal threads, and there are problems such as inconvenience in use and insufficient accuracy.
A internal thread height measuring instrument is designed, adopting an adjustable housing structure, including a card plate, threaded rod, caliper, positioning needle, scale ruler and rotary handle. Through the coordination of the threaded rod and rotary handle, the height of the measuring ruler can be measured. Adjustments are made and equipped with a camera and lighting for improved measurement accuracy and portability.
Accurate measurement of workpieces with internal threads of different heights is achieved, the scope of use is expanded, and the device is easily stored and carried after use is completed, improving measurement accuracy and convenience.
Smart Images
Figure CN222211500U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of height measuring instruments, in particular to an internal thread height measuring instrument. Background Art
[0002] The internal thread is not exposed and is usually on the rotated side of the rotating fastener. The bottom of the internal thread groove can be arc-shaped. If the shape of the bottom of the thread groove is not specified, it can be flattened or rounded during turning. The design of the internal thread is mainly used for connection between workpieces. At present, when turning internal threads on some precision workpieces, it is often necessary to measure the overall height of the internal thread so that the height of the internal thread meets the use requirements. This requires the use of an internal thread height measuring device. Most of the existing internal thread height measuring devices do not have an adjustment function during use. When the height of the internal thread is relatively high, it is not easy to measure. There are certain defects in use. Therefore, an internal thread height measuring instrument is now proposed. Utility Model Content
[0003] In order to improve the problem that it is inconvenient to adjust the length of an internal thread height measuring device, the utility model provides an internal thread height measuring instrument.
[0004] The utility model provides an internal thread height measuring instrument, which adopts the following technical solutions:
[0005] An internal thread height measuring instrument comprises a shell, an inner cavity of the shell is movably connected to a clamping plate, a through slot is provided on the front of the clamping plate, a threaded rod is movably connected to the inner surface of the through slot, a caliper is fixedly connected to the front of the threaded rod, a positioning pin is fixedly connected to the top of the left side of the shell, a screw is threadedly connected to the top of the left side of the shell, a rotating handle is fixedly connected to the left side of the screw, a first scale is arranged on the left side of the front of the shell, and a second scale is arranged on the left side of the front of the clamping plate.
[0006] By adopting the above technical solution, the height of the measuring ruler can be adjusted so that it can measure the internal thread height of internal thread workpieces of different heights. It has a wide range of uses, and the measuring device can be stored after use for easy carrying.
[0007] Optionally, a limit nut is threadedly connected to a rear position of the outer surface of the threaded rod, and the front side of the limit nut is tightly fitted with the back side of the clamping plate.
[0008] By adopting the above technical solution, the height of the caliper can be adjusted and fixed, so that the caliper can be accurately fixed on the top of the workpiece and the measurement is accurate.
[0009] Optionally, a camera is fixedly installed at a front position of the left bottom of the shell, and a lighting lamp is fixedly installed at a rear position of the left bottom of the shell.
[0010] By adopting the above technical solution, the position of the positioning needle can be easily adjusted so that the positioning needle can be accurately placed at the bottom end of the internal thread, thereby improving the measurement accuracy.
[0011] Optionally, a limiting ring is fixedly connected to the front position of the outer surface of the threaded rod, and the back side of the limiting ring is tightly fitted with the front side of the clamping plate.
[0012] By adopting the above technical solution, the threaded rod can be easily limited.
[0013] Optionally, a slider is fixedly connected to the bottom of the right side of the card plate, a slide groove cooperating with the slider is opened on the right side of the inner cavity of the shell, and the outer surface of the slider is slidably connected to the inner surface of the slide groove.
[0014] By adopting the above technical solution, the movement of the clamping plate can be guided and limited.
[0015] Optionally, a rubber pad is fixedly connected to the right side of the screw rod, and the right side of the rubber pad is tightly fitted at the connection between the left side of the clamping plate.
[0016] By adopting the above technical solution, it is convenient to protect the pallet.
[0017] Optionally, a display screen is fixedly mounted on the top of the card board, and the camera is electrically connected to the display screen via a wire.
[0018] By adopting the above technical solution, the content shot by the camera can be conveniently displayed.
[0019] In summary, the utility model has the following beneficial effects:
[0020] The utility model can conveniently measure the height of the internal thread of the workpiece by arranging the shell, the positioning needle, the caliper and the first scale; and can adjust the height of the measuring ruler by arranging the clamping plate, the through groove, the threaded rod, the second scale, the screw rod and the rotating handle, so that the internal thread height of the internal thread workpieces with different heights can be measured, and the utility model has a wide range of uses. At the same time, the measuring device can also be stored after use, which is convenient to carry. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the structure of the utility model;
[0022] Figure 2 It is a cross-sectional view of the structure of the utility model;
[0023] Figure 3 This is a back view of the cardboard structure of the utility model;
[0024] Figure 4The utility model structure Figure 2 A partial enlarged view of the middle A;
[0025] Figure 5 It is a top sectional view of the clamping plate structure of the utility model.
[0026] In the figure: 1. housing; 2. card plate; 3. through slot; 4. threaded rod; 5. caliper; 6. positioning pin; 7. screw; 8. turning handle; 9. first scale; 10. second scale; 11. limit nut; 12. camera; 13. lighting; 14. limit ring; 15. slider; 16. slide groove; 17. rubber pad; 18. display screen. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] Example:
[0029] Please refer to Figure 1-5 A kind of internal thread height measuring instrument comprises a shell 1, the inner cavity of the shell 1 is movably connected with a card plate 2, the front of the card plate 2 is provided with a through groove 3, the inner surface of the through groove 3 is movably connected with a threaded rod 4, the front of the threaded rod 4 is fixedly connected with a caliper 5, the top of the left side of the shell 1 is fixedly connected with a positioning pin 6, the top of the left side of the shell 1 is threadedly connected with a screw rod 7, the left side of the screw rod 7 is fixedly connected with a handle 8, the left side of the front of the shell 1 is provided with a first scale 9, and the left side of the front of the card plate 2 is provided with a second scale 10.
[0030] As a technical optimization solution of the utility model, further, a rear position of the outer surface of the threaded rod 4 is threadedly connected with a limiting nut 11, and the front side of the limiting nut 11 is tightly fitted with the back side of the clamping plate 2.
[0031] As a technical optimization solution of the present invention, further, a camera 12 is fixedly installed at the front position of the left bottom of the shell 1, and a lighting lamp 13 is fixedly installed at the rear position of the left bottom of the shell 1.
[0032] As a technical optimization solution of the present invention, further, a limit ring 14 is fixedly connected to the front position of the outer surface of the threaded rod 4 , and the back side of the limit ring 14 is tightly fitted with the front side of the clamping plate 2 .
[0033] As a technical optimization solution of the utility model, further, a slider 15 is fixedly connected to the bottom of the right side of the card plate 2, and a slide groove 16 for cooperating with the slider 15 is opened on the right side of the inner cavity of the shell 1, and the outer surface of the slider 15 is slidably connected to the inner surface of the slide groove 16.
[0034] As a technical optimization solution of the utility model, further, a rubber pad 17 is fixedly connected to the right side of the screw rod 7 , and the right side of the rubber pad 17 is tightly fitted with the connection between the left side of the clamping plate 2 .
[0035] As a technical optimization solution of the present invention, further, a display screen 18 is fixedly installed on the top of the card board 2, and the camera 12 and the display screen 18 are electrically connected through a wire.
[0036] In this embodiment, by providing the housing 1, the positioning pin 6, the caliper 5 and the first scale 9, the height of the internal thread of the workpiece can be conveniently measured. By providing the clamping plate 2, the through slot 3, the threaded rod 4, the second scale 10, the screw rod 7 and the handle 8, the height of the measuring ruler can be adjusted, so that it can measure the internal thread height of internal threaded workpieces of different heights. The scope of use is wide, and the measuring device can be stored after use, which is convenient for carrying. By providing the limit nut 11, the height of the caliper 5 can be adjusted and fixed, so that the caliper 5 can It is precisely fixed on the top of the workpiece and can measure accurately. By setting the camera 12 and the lighting lamp 13, the position of the positioning pin 6 can be easily adjusted so that the positioning pin 6 can be accurately placed at the bottom of the internal thread to improve the measurement accuracy. By setting the limit ring 14, the position of the threaded rod 4 can be limited. By setting the slider 15 and the slide groove 16, the movement of the card board 2 can be guided. By setting the rubber pad 17, the surface of the card board 2 can be protected when it is fixed. By setting the display screen 18, the shooting content of the camera 12 can be easily viewed.
[0037] The implementation principle of the utility model is as follows: when in use, the housing 1 and the positioning pin 6 are inserted into the interior of the workpiece to be measured, the caliper 5 is fixed on the top of the workpiece, the limiting nut 11 is turned to loosen the threaded rod 4, at which time the threaded rod 4 moves on the inner surface of the through groove 3, the positioning pin 6 moves downward, and the camera 12 penetrates the position of the positioning pin 6. When the positioning pin 6 reaches the bottom end of the internal thread, the position of the positioning pin 6 is fixed, the limiting nut 11 is turned, and the positions of the threaded rod 4 and the caliper 5 are fixed by the limiting nut 11. At this time, the data on the first scale 9 can be observed to check the position of the internal thread. The height is measured and recorded. When the internal thread of the workpiece is relatively high and the height of the measuring instrument needs to be adjusted, the handle 8 is turned, and the handle 8 drives the screw 7 to rotate, so that the screw 7 is separated from the clamping plate 2, and the clamping plate 2 is pulled upward to pull the clamping plate 2 out of the shell 1. Then the handle 8 is turned, and the handle 8 drives the screw 7 to rotate to fix the clamping plate 2. When measuring, the second scale 10 can be observed to record. This method can measure the internal thread height of internal threaded workpieces of different heights and has a wide range of uses. At the same time, the measuring device can be stored after use for easy carrying.
[0038] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.
Claims
1. An internal thread height measuring instrument, comprising a housing (1), characterized in that: The inner cavity of the shell (1) is movably connected to a card plate (2), a through slot (3) is provided on the front of the card plate (2), a threaded rod (4) is movably connected to the inner surface of the through slot (3), a caliper (5) is fixedly connected to the front of the threaded rod (4), a positioning pin (6) is fixedly connected to the top of the left side of the shell (1), a screw rod (7) is threadedly connected to the top of the left side of the shell (1), a rotating handle (8) is fixedly connected to the left side of the screw rod (7), a first scale (9) is provided on the left side of the front of the shell (1), and a second scale (10) is provided on the left side of the front of the card plate (2).
2. An internal thread height measuring instrument according to claim 1, characterized in that: A limit nut (11) is threadedly connected at a rear position of the outer surface of the threaded rod (4), and the front side of the limit nut (11) is tightly fitted with the back side of the clamping plate (2).
3. An internal thread height measuring instrument according to claim 1, characterized in that: A camera (12) is fixedly mounted at a front position on the left bottom of the housing (1), and a lighting lamp (13) is fixedly mounted at a rear position on the left bottom of the housing (1).
4. The internal thread height measuring instrument according to claim 1, characterized in that: A limiting ring (14) is fixedly connected to the front position of the outer surface of the threaded rod (4), and the back side of the limiting ring (14) is tightly fitted with the front side of the clamping plate (2).
5. The internal thread height measuring instrument according to claim 1, characterized in that: A slider (15) is fixedly connected to the bottom of the right side of the card plate (2), and a slide groove (16) for cooperating with the slider (15) is provided on the right side of the inner cavity of the shell (1), and the outer surface of the slider (15) is slidably connected to the inner surface of the slide groove (16).
6. The internal thread height measuring instrument according to claim 1, characterized in that: The right side of the screw rod (7) is fixedly connected with a rubber pad (17), and the right side of the rubber pad (17) is tightly fitted with the connection between the left side of the clamping plate (2).
7. An internal thread height measuring instrument according to claim 3, characterized in that: A display screen (18) is fixedly mounted on the top of the card board (2), and the camera (12) and the display screen (18) are electrically connected via a wire.