Pointer parallelism detection device
By designing a pointer parallelism detection device, a camera and positioning fixture were used to achieve accurate positioning and clear imaging of the clock hands, solving the problems of time-consuming, labor-intensive and low-precision traditional manual detection, and improving detection efficiency and accuracy.
Patent Information
- Application Number
- CN202422690000.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-11-05
AI Technical Summary
The lack of efficient and high-precision pointer parallelism measurement equipment in the current technology leads to time-consuming and labor-intensive manual inspection, which is prone to misjudgment and has low measurement accuracy.
A pointer parallelism detection device was designed, comprising a base, a positioning fixture, and a camera. The camera captures and enlarges the clock hands onto the display screen proportionally. Combined with the positioning fixture and a background plate, the device achieves accurate positioning and clear imaging of the pointers.
This improves the efficiency and accuracy of pointer parallelism detection, reduces human error, and ensures the accuracy of measurement results.
Smart Images

Figure CN223679531U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to detection technical field, concretely relates to a pointer parallelism detection device. BACKGROUND
[0002] The clock industry is an advanced manufacturing industry combining high-precision machinery and information technology. Its unique precision manufacturing technology and accurate timing products are not only closely related to people's lives, but also have long served various high-precision fields such as aerospace, aviation, national defense, nuclear power, high-speed rail, and power, making important contributions to national economic development and national key projects.
[0003] Currently, there is basically no suitable measuring equipment for measuring the parallelism of pointers. Most traditional methods are to check the parallelism of pointers of clocks by artificial direct visual inspection. However, due to the small size of the pointers, artificial direct visual inspection is time-consuming and labor-intensive, has relatively low detection efficiency, and is prone to misjudgment due to fatigue of the inspector after long-time detection, and has relatively low measurement accuracy.
[0004] Therefore, the applicant has conducted in-depth research on the above problems, and thus the present case is produced. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims to provide a pointer parallelism detection device with relatively high detection efficiency and relatively high measurement accuracy.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:
[0007] A pointer parallelism detection device, comprising a base and a host with a display screen, the base is horizontally arranged, the base is provided with mounting brackets and positioning seats arranged at intervals along the length direction of the base, the mounting bracket comprises a first plate and a second plate, the first plate is arranged on the base, and the first plate is arranged along the length direction of the base and vertically arranged, the second plate is integrally connected to one end of the first plate away from the base, the second plate is horizontally arranged, the base, the first plate and the second plate jointly enclose a containing space, a camera with the axis of the lens horizontally arranged is fixedly installed in the containing space, and the lens of the camera faces the positioning seat, an installation groove is formed in the top of the positioning seat, a positioning tool is placed in the installation groove, the positioning tool comprises a bottom plate, the bottom plate is horizontally placed in the installation groove, a cylinder is integrally connected to the center position of the bottom plate, and the bottom plate and the cylinder are vertically arranged, a groove for horizontally placing a clock and having a depth less than the thickness of the clock is formed in one end of the cylinder away from the bottom plate, a positioning notch is formed in the side wall of the groove, the camera is electrically connected with the host, and the central axis of the lens of the camera and the top surface of the cylinder are located on the same horizontal plane.
[0008] As a kind of improvement of the utility model, T-shaped sliding slot is formed in the width direction of the base, and the T-shaped sliding slot penetrates the two ends of the base in the width direction, the T-shaped sliding slot is located at the side of the positioning seat away from the mounting bracket, T-shaped slider matched with the outer contour of the T-shaped sliding slot is slidably connected to the T-shaped sliding slot, and the top end of the T-shaped slider is integrally connected with a vertically arranged background plate, and the height of the background plate is higher than the height of the positioning tool.
[0009] As a kind of improvement of the utility model, the shell of the host is provided with a scale line at the position on both sides of the display screen.
[0010] As a kind of improvement of the utility model, the length direction of the second plate is the same as the length direction of the base, a long hole is formed in the length direction of the second plate, the top end of the camera is fixedly connected with a vertically arranged screw rod, the screw rod penetrates the long hole and is threadedly connected with a nut.
[0011] As a kind of improvement of the utility model, the base, the mounting bracket and the positioning seat are integrally connected.
[0012] As a kind of improvement of the utility model, the positioning tool is an aluminum alloy positioning tool.
[0013] By adopting the above technical scheme, the utility model has the following beneficial effects:
[0014] The utility model has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is a structure schematic view of the pointer parallelism detection device of the utility model;
[0016] Fig. 2 It is a structure schematic view of the positioning tool in the embodiment.
[0017] Corresponding indications in the drawing are as follows:
[0018] 10-base; 20-mounting bracket;
[0019] 21-positioning seat; 22-first plate;
[0020] 23-second plate; 24-camera;
[0021] 25 - mounting slot; 26 - positioning fixture;
[0022] 27 - mainframe; 28 - T-shaped slide;
[0023] 31 - T-shaped slide; 32 - background plate;
[0024] 33 - bottom plate; 34 - cylinder;
[0025] 35 - groove; 36 - positioning notch;
[0026] 37 - long hole; 38 - nut. DETAILED DESCRIPTION
[0027] The utility model will be further described in connection with the drawings and specific embodiments.
[0028] As Figs. 1-2 shown, the embodiment provides a pointer parallelism detection device, including base 10 and mainframe 27 with display screen, base 10 is horizontally arranged, and the mounting support 20 and the positioning seat 21 that are arranged at the length direction of base 10 are set up on base 10, the mounting support 20 includes first plate 22 and second plate 23, first plate 22 is set on base 10, and first plate 22 is arranged along the length direction of base 10 and is vertically arranged, second plate 23 is integrally connected at the end of first plate 22 away from base 10, and second plate 23 is horizontally arranged, and base 10, first plate 22 and second plate 23 jointly enclose and form containing space.
[0029] The camera 24 with the lens fixedly installed in the accommodating space is arranged horizontally along the axis of the lens, and the lens of the camera 24 faces the positioning seat 21. The top of the positioning seat 21 is provided with a mounting groove 25, and the positioning tool 26 is placed in the mounting groove 25. The positioning tool 26 comprises a bottom plate 33 horizontally placed in the mounting groove 25. A cylinder 34 is integrally connected to the center position of the bottom plate 33, and the bottom plate 33 is perpendicular to the cylinder 34. A recess 35 for horizontally placing the watch and having a depth smaller than the thickness of the watch is formed at the end of the cylinder 34 away from the bottom plate 33. The positioning gap 36 is arranged on the side wall of the recess 35. By arranging the recess 35, the watch to be detected can be placed conveniently. By arranging the positioning gap 36, the watch to be detected can be placed by inserting the watch stem, so that the watch to be detected is horizontally placed and fixed, and the upper surface of the watch is exposed outside the recess 35, so as to avoid that the camera 24 shoots an error image to cause the inspector to misjudge, improve the measurement accuracy, and improve the detection efficiency and the measurement accuracy compared with the traditional manual direct visual inspection.
[0030] The T-shaped sliding groove 28 is formed on the base 10 along the width direction of the base 10 and penetrates through both ends of the base 10 in the width direction. The T-shaped sliding groove 28 is located on the side of the positioning seat 21 away from the mounting bracket 20. The T-shaped sliding groove 28 is slidably connected with the T-shaped sliding block 31 matched with the outer contour of the T-shaped sliding groove 28. The top end of the T-shaped sliding block 31 is integrally connected with the vertically arranged background plate 32. It should be noted that the T-shaped sliding block 31 and the background plate 32 are an integral whole, and there is no obvious boundary between the two components, and the background plate 32 is smoothly connected with the T-shaped sliding block 31. The height of the background plate 32 is higher than the height of the positioning tool 26. In this embodiment, the background plate 32 is a non-reflective plate, so that the image displayed by the camera 24 is clearer, and the detection efficiency is improved.
[0031] The shell of the host 27 is provided with a scale line at the position on both sides of the display screen, which is helpful for the inspector to measure the parallelism of the pointer and further improves the detection efficiency.
[0032] The length direction of the second plate 23 is the same as the length direction of the base 10, and the second plate 23 is provided with a long hole 37 along the length direction, the top end of the camera 24 is fixedly connected with a vertically arranged screw rod (not shown in the figure), the screw rod passes through the long hole 37 and is threadedly connected with a nut 38, when it is needed to adjust the position between the lens of the camera 24 and the positioning tool 26, the nut 38 is loosened, the camera 24 is moved to adjust the distance between the lens of the camera 24 and the positioning tool 26, and finally the nut 38 is tightened to complete the fixation, the long hole 37 is arranged to facilitate the adjustment of the focal length, and the detection efficiency is improved.
[0033] The base 10, the mounting bracket 20 and the positioning seat 21 are integrally connected.
[0034] In the embodiment, the positioning tool 26 is an aluminum alloy positioning tool 26, the aluminum alloy has high strength and is not easy to be corroded, and the service life of the positioning tool 26 can be prolonged.
[0035] Before use, the host 27 and the camera 24 are started, in use, the watch to be detected is horizontally placed in the groove 35, the hour hand, the minute hand and the second hand of the watch to be detected are directed to the same direction, and the vertical plane where the hour hand, the minute hand and the second hand of the watch to be detected are perpendicular to the length direction of the base 10, then the camera 24 is used to shoot and proportionally enlarge to the display screen of the host 27, and the detection personnel detects the parallelism of the hands of the watch through the display screen of the host 27, compared with the traditional manual direct visual inspection, the detection efficiency is relatively high and the measurement accuracy is relatively high.
[0036] The utility model has been explained in detail above in combination with the drawings, but the implementation mode of the utility model is not limited to the above-mentioned implementation mode, and various deformations can be made to the utility model by the person skilled in the art according to the prior art, and these all belong to the protection scope of the utility model.
Claims
1. A device for detecting the parallelism of a pointer, characterized in that The application relates to a display device, which comprises a base and a main machine with a display screen, the base is horizontally arranged, mounting supports and a positioning seat are arranged on the base and are spaced along the length direction of the base, the mounting support comprises a first plate and a second plate, the first plate is arranged on the base and is arranged along the length direction of the base and vertically, the second plate is integrally connected to one end of the first plate away from the base, the second plate is horizontally arranged, the base, the first plate and the second plate jointly enclose a containing space, a camera with the axis of a lens horizontally arranged is fixedly installed in the containing space, and the lens of the camera faces the positioning seat, an installation groove is formed in the top of the positioning seat, a positioning tool is placed in the installation groove, the positioning tool comprises a bottom plate, the bottom plate is horizontally placed in the installation groove, a cylinder is integrally connected to the center position of the bottom plate, and the bottom plate and the cylinder are vertically arranged, a recess for horizontally placing a clock and with a depth smaller than the thickness of the clock is formed in one end of the cylinder away from the bottom plate, a positioning notch is arranged on the side wall of the recess, the camera is electrically connected with the main machine, the central axis of the lens of the camera and the top surface of the cylinder are located on the same horizontal plane.
2. A device for detecting the parallelism of a pointer according to claim 1, characterized in that A T-shaped sliding groove is formed in the base along the width direction of the base and penetrates through both ends of the base in the width direction, the T-shaped sliding groove is located on the side of the positioning seat away from the mounting support, a T-shaped sliding block matched with the outer contour of the T-shaped sliding groove is slidingly connected with the T-shaped sliding groove, the top end of the T-shaped sliding block is integrally connected with a vertically arranged background plate, and the height of the background plate is higher than the height of the positioning tool.
3. A device for detecting the parallelism of a pointer according to claim 1, characterized in that The shell of the main machine is provided with scale lines at positions on both sides of the display screen.
4. A device for detecting the parallelism of a pointer according to claim 1, characterized in that The length direction of the second plate is the same as the length direction of the base, a long hole is formed in the second plate along the length direction of the second plate, a vertically arranged screw rod is fixedly connected to the top end of the camera, the screw rod penetrates through the long hole and is screw-connected with a nut.
5. A device for detecting the parallelism of a pointer according to claim 1, characterized in that, The base, the mounting support and the positioning seat are integrally connected.
6. A device for detecting the parallelism of a pointer according to claim 1, characterized in that The positioning tool is an aluminum alloy positioning tool.