Mobile phone mainboard detection jig
By designing mobile phone motherboard inspection fixtures with cone columns, fixers, support columns and other structures, the problems of complex operation and poor versatility in the existing technology are solved, multi-angle adjustment and stable clamping are achieved, and detection efficiency and adaptability are improved.
Patent Information
- Application Number
- CN202421285045.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-06
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-06-06
AI Technical Summary
The existing mobile phone motherboard detection fixtures are complicated to operate when fixing the mobile phone motherboard and have poor versatility, so they cannot adapt to different models of motherboards, making it inconvenient to adjust the position and angle during the inspection process.
A mobile phone motherboard inspection fixture is designed, adopting conical columns, fixers, support columns and other structures. Through the cooperation of fastening screws and spheres, multi-angle adjustment and stable clamping are achieved, allowing the rotation of the rotary plate and the angle adjustment of the fixing device to adapt to different models of motherboards.
It facilitates staff to detect and fix the mobile phone motherboards in multiple angles, improving detection efficiency and adaptability.
Smart Images

Figure CN223166773U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of detection fixtures, in particular to a detection fixture for a mobile phone motherboard. Background Technique
[0002] The mobile phone motherboard refers to the circuit board inside the mobile phone, which can also be called a PCB board. The BTB connector is used to connect the PCB board to achieve electrical and mechanical connections. Components such as BTB connectors, FPC connectors, mobile phone cameras, and screens connected to the motherboard on the mobile phone motherboard need to be tested.
[0003] After the mobile phone is produced, fixtures are needed to detect the mobile phone. When detecting, the mobile phone is placed in a specified functional fixture. Most of the existing detection fixtures use clamps to directly clamp the mobile phone, and it is not convenient for users to adjust the position and angle of the mobile phone during the detection process.
[0004] When testing the mobile phone motherboard, the mobile phone motherboard needs to be fixed on a fixing mechanism first. However, when the existing fixing mechanism fixes the mobile phone motherboard, the operation is relatively complicated, and one fixing mechanism can only fix a specified type of motherboard, and its versatility is poor. Content of the Utility Model
[0005] Aiming at the deficiencies of the prior art, the utility model provides a detection fixture for a mobile phone motherboard, which has the advantages of rotary detection and fixed clamping, and solves the problems raised in the above background technique.
[0006] The utility model provides the following technical solutions: A detection fixture for a mobile phone motherboard, including a horizontal plate, a conical column is fixedly installed on the top of the horizontal plate, a circular groove is opened at the top of the conical column, a fixer is rotatably installed on the top of the conical column, a column groove is opened on one side of the fixer, a circular hole is opened on the other side of the fixer, a fastening screw is rotatably installed inside the circular hole, a support column is movably installed inside the fixer, a fixing plate is fixedly installed at the top of the support column, a rotating groove is opened in the middle of the top of the fixing plate, a rotating plate is movably installed inside the rotating groove, a rotating block is installed inside the rotating groove below the rotating plate, and a fixing device is movably installed on the top of the rotating plate.
[0007] Preferably, the support column includes a sphere, the sphere is located inside the fixer and the circular groove, a thread groove is opened on the outer ring at the top of the conical column, the inner ring of the fixer is provided with threads, the threads are adapted to the thread groove, and the inside of the fixer and the inside of the circular groove together form a regular sphere.
[0008] Preferably, the fixing device includes an A-pillar and a B-pillar, and a telescopic sleeve is movably connected to the outer ring of the connection between the A-pillar and the B-pillar, and a fixing buckle is slidably installed on the top of the telescopic sleeve. An arc groove is provided at the bottom of the inner ring of the A-pillar and the B-pillar, and a slide groove is provided on the inner ring of the A-pillar and the B-pillar above the arc groove. Four sliders are slidably installed on the top of the A-pillar and the B-pillar and inside the slide groove, and two sliders are slidably installed on the top of the A-pillar and the B-pillar respectively. The top of the slider is located above the A-pillar and the B-pillar and is rotatably installed with a fixing screw, and a rubber head is fixedly installed on the bottom of the slider.
[0009] Preferably, a spring groove is provided at the top of the telescopic sleeve, a stop block is provided at the bottom of the fixing buckle inside the spring groove, a spring is fixedly connected between the inner wall of the spring groove and the stop block, a hook is provided at one end of the bottom of the fixing buckle, and bayonet holes are provided on both sides of the rotating plate below the telescopic sleeve, and the bayonet holes are adapted to the hook heads.
[0010] Preferably, a wide groove is provided inside the fixing device, one end of the B-pillar is slidably sleeved inside the wide groove, the size of one end of the B-pillar is adapted to the size of the wide groove, a rectangular groove is provided inside the B-pillar, a narrow groove is provided inside the telescopic sleeve on one side of the wide groove, one end of the A-pillar is slidably installed inside the narrow groove, the size of one end of the A-pillar is adapted to the size of the narrow groove, and the size of one end of the A-pillar is adapted to the size of the rectangular groove.
[0011] Compared with the prior art, the present invention has the following beneficial effects:
[0012] 1. This mobile phone motherboard inspection fixture realizes multi-angle adjustment inspection by setting up structures such as cones, fixtures, and pillars. When inspecting the motherboard surface, by loosening the fastening screws, the sphere can move inside the fixture and the circular groove, and the facing angle of the fixing plate, rotating plate, and fixing device can be adjusted to make the facing angle of the rotating plate more suitable for human eye inspection. By rotating the rotating plate located on the top of the fixing plate, the rotation angle of the rotating plate changes, allowing staff to inspect different components of the motherboard, making it easier for staff to inspect the motherboard.
[0013] 2. The mobile phone motherboard detection jig achieves a firm clamping of the motherboard by setting a rotating plate, a fixing device and other structures. The mobile phone motherboard is placed on the upper part of the rotating plate. The distance between the A-pillar and the B-pillar is changed according to the size of the motherboard. The fixing screws are loosened to allow the position of the slider to slide. The fixing screws are tightened to fix the position of the slider. The fixing device is placed on the upper part of the rotating plate so that the hook head is located above the bayonet. The fixing buckle is positioned inside the spring groove and slid as a whole so that the hook head is located at the bayonet opening. The hand that slides the fixing buckle is released so that the hook head is stuck into the bayonet to fix the motherboard, thereby achieving a firm fixation of the motherboard. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1Schematic diagram of the overall structure of the present utility model;
[0015] Figure 2 Schematic diagram of the conical column structure of the present utility model;
[0016] Figure 3 Exploded view of the fixing plate and the rotating plate structure of the present utility model;
[0017] Figure 4 Exploded sectional view of the fixing plate and the rotating plate structure of the present utility model;
[0018] Figure 5 Sectional view of the telescopic sleeve structure of the present utility model;
[0019] Figure 6 Sectional view of the telescopic sleeve structure of the present utility model from another perspective.
[0020] In the figure: 1, horizontal plate; 2, conical column; 21, circular groove; 3, fixer; 31, column groove; 4, fastening screw; 5, support pillar; 51, sphere; 6, fixing plate; 61, rotating groove; 7, rotating plate; 71, rotating block; 72, bayonet; 8, fixing device; 81, A column; 82, B column; 821, rectangular groove; 83, telescopic sleeve; 831, spring groove; 832, spring; 833, wide groove; 834, narrow groove; 84, fixing buckle; 841, stop block; 842, hook head; 85, arc groove; 86, sliding groove; 87, sliding block; 871, fixing screw; 872, rubber head. Detailed implementation manners
[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0022] Please refer to Figures 1-4The top of the support frame 1 is provided with a screw thread, and the top of the support frame 1 is provided with a screw thread, and the top of the support frame 1 is provided with a screw thread, and the top of the support frame 1 is provided with a screw thread.
[0023] See also Figures 1-4 , place the mobile phone motherboard on the top of the rotating plate 7, adjust the spacing and size of the fixing device 8 to make the fixing device 8 more suitable for the size of the motherboard, place the fixing device 8 on the upper part of the rotating plate 7, and clamp the outer ring of the motherboard on both sides of the rotating plate 7, so that the motherboard is fixed between the rotating plate 7 and the fixing device 8. When inspecting the surface of the motherboard, loosen the fastening screws 4 to allow the sphere 51 to move inside the fixture 3 and the circular groove 21, adjust the facing angle of the fixing plate 6, the rotating plate 7, and the fixing device 8, so that the facing angle of the rotating plate 7 is more suitable for human eye inspection, and rotate the rotating plate 7 at the top of the fixing plate 6 to change the rotation angle of the rotating plate 7, so that the staff can inspect different components of the motherboard, thereby achieving the effect of facilitating the staff to inspect the motherboard.
[0024] See also Figures 1-6 The fixing device 8 includes an A-pillar 81 and a B-pillar 82. A telescopic sleeve 83 is movably connected to the outer ring of the connection between the A-pillar 81 and the B-pillar 82. A fixing buckle 84 is slidably installed on the top of the telescopic sleeve 83. An arc groove 85 is provided at the bottom of the inner ring of the A-pillar 81 and the B-pillar 82. A slide groove 86 is provided on the inner ring of the A-pillar 81 and the B-pillar 82 above the arc groove 85. Four sliders 87 are slidably installed on the top of the A-pillar 81 and the B-pillar 82 and inside the slide groove 86. Two sliders 87 are slidably installed on the top of the A-pillar 81 and the B-pillar 82 respectively. The top of the slider 87 is located above the A-pillar 81 and the B-pillar 82 and is rotatably installed with a fixing screw 871. The bottom of the slider 87 is fixedly installed with a rubber head 872.
[0025] See also Figures 1-6, a spring groove 831 is provided at the top of the telescopic sleeve 83. A stop block 841 is provided at the bottom of the fixed buckle 84 inside the spring groove 831. A spring 832 is fixedly connected between the inner wall of the spring groove 831 and the stop block 841. One end of the bottom of the fixed buckle 84 is provided with a hook 842. Buckle openings 72 are provided below the telescopic sleeve 83 on both sides of the rotating plate 7. The buckle openings 72 are adapted to the hook 842.
[0026] Please refer to Figures 1-6 , a wide groove 833 is provided inside the fixing device 8. One end of the B-pillar 82 is slidably sleeved inside the wide groove 833. The size of one end of the B-pillar 82 is adapted to the size of the wide groove 833. A rectangular groove 821 is provided inside the B-pillar 82. A narrow groove 834 is provided inside the telescopic sleeve 83 on one side of the wide groove 833. One end of the A-pillar 81 is slidably installed inside the narrow groove 834. The size of one end of the A-pillar 81 is adapted to the size of the narrow groove 834. The size of one end of the A-pillar 81 is adapted to the size of the rectangular groove 821.
[0027] Please refer to Figures 1-6 , place the mobile phone motherboard above the rotating plate 7. Change the distance between the A-pillar 81 and the B-pillar 82 according to the size of the motherboard. Loosen the fixing screw 871 to enable the slider 87 to slide. If the motherboard is circular, adjust the distance limited by the arc groove 85. Slide the slider 87 towards the middle of the A-pillar 81 and the B-pillar 82 so that the rubber head 872 is located on the circular arc edge. If the motherboard is rectangular, adjust the distance limited by the inner ring plane of the A-pillar 81 and the B-pillar 82 so that the distance is adapted to the size of the motherboard. Slide the slider 87 towards the four corners of the motherboard. Tighten the fixing screw 871 to fix the position of the slider 87. Place the fixing device 8 above the rotating plate 7 so that the hook 842 is located above the buckle opening 72. Slide the entire fixed buckle 84 inside the spring groove 831 so that the hook 842 is located at the opening of the buckle opening 72. Release the hand sliding the fixed buckle 84 so that the hook 842 snaps into the buckle opening 72 to fix the motherboard.
[0028] Working principle: Place the mobile phone motherboard on the top of the rotating plate 7, change the spacing between the A-pillar 81 and the B-pillar 82 according to the size of the motherboard, loosen the fixing screw 871, and slide the slider 87. If the motherboard is circular, adjust the spacing within the arc groove 85, and slide the slider 87 to the middle of the A-pillar 81 and the B-pillar 82 so that the rubber head 872 is located at the edge of the circular arc. If the motherboard is rectangular, adjust the spacing within the inner plane of the A-pillar 81 and the B-pillar 82 so that the spacing adapts to the size of the motherboard. Slide the slider 87 to the four corners of the motherboard, tighten the fixing screw 871, and fix the position of the slider 87. Place the fixing device 8 above the rotating plate 7 so that the hook 842 is located at the bayonet. 72, slide the fixing buckle 84 as a whole inside the spring groove 831 so that the hook head 842 is located at the opening of the bayonet 72, release the hand that slides the fixing buckle 84, and make the hook head 842 snap into the bayonet 72 to fix the mainboard. When inspecting the surface of the mainboard, by loosening the fastening screw 4, the sphere 51 can move inside the fixer 3 and the circular groove 21, and adjust the facing angle of the fixing plate 6, the rotating plate 7, and the fixing device 8 to make the facing angle of the rotating plate 7 more suitable for human eye inspection. By rotating the rotating plate 7 at the top of the fixing plate 6, the rotation angle of the rotating plate 7 is changed, so that the staff can inspect different components of the mainboard, thereby making it easy for the staff to inspect the mainboard.
Claims
1. A mobile phone motherboard detection fixture, including a horizontal board (1), characterized in that: A conical column (2) is fixedly installed at the top of the horizontal plate (1). A circular groove (21) is formed at the top of the conical column (2). A fixer (3) is rotatably installed at the top of the conical column (2). A column groove (31) is formed on one side of the fixer (3). A round hole is formed on the other side of the fixer (3). A fastening screw (4) is rotatably installed inside the round hole. A support column (5) is movably installed inside the fixer (3). A fixing plate (6) is fixedly installed at the top of the support column (5). A rotating groove (61) is formed in the middle of the top of the fixing plate (6). A rotating plate (7) is movably installed inside the rotating groove (61). A rotating block (71) is installed inside the rotating groove (61) below the rotating plate (7). A fixing device (8) is movably installed at the top of the rotating plate (7).
2. The mobile phone motherboard detection fixture according to claim 1, wherein: The support column (5) includes a spherical body (51). The spherical body (51) is located inside the fixer (3) and the circular groove (21). A threaded groove is formed on the outer ring at the top of the conical column (2). Threads are provided on the inner ring of the fixer (3). The threads are adapted to the threaded groove. The inside of the fixer (3) and the inside of the circular groove (21) together form a regular sphere.
3. The mobile phone motherboard detection fixture according to claim 2, wherein: The fixing device (8) includes an A column (81) and a B column (82). An expansion sleeve (83) is movably sleeved on the outer ring at the connection between the A column (81) and the B column (82). A fixing buckle (84) is slidably installed at the top of the expansion sleeve (83). Arc grooves (85) are formed at the bottom of the inner rings of the A column (81) and the B column (82). Chute grooves (86) are formed above the arc grooves (85) in the inner rings of the A column (81) and the B column (82). Four sliders (87) are slidably installed at the tops of the A column (81) and the B column (82) and inside the chute grooves (86). Two sliders (87) are respectively slidably installed at the tops of the A column (81) and the B column (82). Fixing screws (871) are rotatably installed above the A column (81) and the B column (82) at the tops of the sliders (87). Rubber heads (872) are fixedly installed at the bottoms of the sliders (87).
4. The mobile phone motherboard detection fixture according to claim 3, characterized in that: A spring groove (831) is formed at the top of the expansion sleeve (83). A stopper (841) is provided inside the spring groove (831) at the bottom of the fixing buckle (84). A spring (832) is fixedly connected between the inner wall of the spring groove (831) and the stopper (841). A hook head (842) is provided at one end of the bottom of the fixing buckle (84). Bayonet openings (72) are formed below the expansion sleeve (83) on both sides of the rotating plate (7). The bayonet openings (72) are adapted to the hook head (842).
5. The mobile phone motherboard detection fixture according to claim 4, characterized in that: A wide groove (833) is formed inside the fixing device (8). One end of the B-pillar (82) is slidably sleeved inside the wide groove (833). The size of one end of the B-pillar (82) is adapted to the size of the wide groove (833). A rectangular groove (821) is formed inside the B-pillar (82). A narrow groove (834) is formed inside the telescopic sleeve (83) on one side of the wide groove (833). One end of the A-pillar (81) is slidably installed inside the narrow groove (834). The size of one end of the A-pillar (81) is adapted to the size of the narrow groove (834). The size of one end of the A-pillar (81) is adapted to the size of the rectangular groove (821).