Compression resistance detection device of vehicle-mounted display screen
By designing a transmission mechanism driven by a tension spring, a C-shaped plate, and a servo motor, the problem of the lack of protection and mobility in the pressure testing device was solved, thus achieving safe and efficient display screen testing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI YIJI AUTOMOBILE TECH CO LTD
- Filing Date
- 2025-03-18
- Publication Date
- 2026-04-28
AI Technical Summary
Existing pressure testing devices lack protective features, causing fragments to fly when the display screen breaks, endangering the safety of operators. They also increase cleaning costs and reduce testing efficiency. Furthermore, they lack the ability to move the display screen, increasing the workload of operators and testing time.
A pressure testing device was designed, comprising a tension spring, a C-shaped plate, a protective cover, a positioning groove, and a positioning mechanism. The spring and the C-shaped plate work together to block debris, and a servo motor drives the transmission mechanism to achieve automatic movement of the display screen, simplifying the cleaning process and improving testing efficiency.
It effectively protects operators from debris injuries, reduces cleanup time and costs, and enables automatic movement of the display screen, shortening the testing cycle and improving testing efficiency.
Smart Images
Figure CN224176229U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of vehicle display screen testing technology, specifically to a pressure resistance testing device for vehicle display screens. Background Technology
[0002] In-vehicle displays, often simply referred to as in-vehicle screens or in-vehicle monitors, are professional display devices specifically installed in automobiles. Similar to home monitors or computer monitors, in-vehicle displays are primarily used to display video images from in-vehicle camera systems, such as the rear view of the car when reversing, information from the in-vehicle entertainment system, navigation information, and various vehicle parameters. After production, they need to be tested using a pressure resistance testing device.
[0003] Currently used pressure testing devices lack protective functions. If the display screen breaks during pressure testing, devices without protective functions cannot effectively prevent fragments from flying, which may not only damage the testing device itself but also pose a serious safety threat to the operators. This requires additional time for cleanup, increasing non-testing costs during the testing process. Furthermore, some pressure testing devices do not have the function of moving the display screen. In order to test the overall condition of the display screen, multiple points usually need to be tested. Therefore, the display screen needs to be manually moved to different test points for each test, which not only increases the labor intensity of the operators but also significantly reduces testing efficiency. Utility Model Content
[0004] The purpose of this invention is to provide a pressure testing device for vehicle-mounted displays to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a pressure testing device for a vehicle-mounted display screen, comprising a base cabinet and a support plate bolted to the top of the base cabinet, and further comprising:
[0006] A limiting seat is bolted to one side of the top of the support plate. An electric control frame is bolted to the top of the support plate. An installation plate is provided on the inner wall of the electric control frame. A pressure plate is bolted to the bottom of the installation plate. Tension springs are fixedly connected to both sides of the surface of the electric control frame. C-shaped plates are fixedly connected to the other end of the surface of the tension springs on both sides. The inner wall of the C-shaped plate is slidably connected to one side of the surface of the electric control frame.
[0007] A protective cover is bolted to the opposite sides of two C-shaped plates. A positioning groove is opened on the surface of one side of the C-shaped plate. A positioning mechanism is provided on one side of the support plate. A guide plate is bolted to the inner wall of the support plate. A transmission mechanism is provided inside the support plate.
[0008] Preferably, the positioning mechanism includes an L-shaped plate bolted to one side of the surface of the bearing plate and a pull rod sliding on the inner wall of the L-shaped plate. A positioning block is bolted to one end of the surface of the pull rod, a compression spring is fixedly connected to one side of the surface of the L-shaped plate, and the other end of the surface of the compression spring is fixedly connected to one side of the surface of the positioning block.
[0009] Preferably, the transmission mechanism includes a servo motor bolted to one side of the bottom of the inner wall of the support plate and a drive shaft bolted to the output shaft of the servo motor. A reciprocating threaded rod is bolted to the other end of the surface of the drive shaft. The other end of the surface of the reciprocating threaded rod is rotatably connected to one side of the inner wall of the support plate. A transmission seat is threadedly connected to the surface of the reciprocating threaded rod. The surface of the transmission seat is slidably connected to the inner wall of the guide plate. The top of the transmission seat is bolted to the bottom of the limiting seat. Baffles are bolted to both sides of the surface of the transmission seat. Storage grooves are opened on both sides inside the support plate.
[0010] Preferably, the length of the inner wall of the protective cover is greater than the maximum moving distance of the limiting seat.
[0011] Preferably, the cross-section of one side of the pull rod surface is square, and the inner wall of the L-shaped plate is square.
[0012] Preferably, the two sides of the surface of the transmission seat are convex, and the two sides of the inner wall of the guide plate are concave.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0014] This invention utilizes a combination of a tension spring, a C-shaped plate, a protective cover, a positioning groove, and a positioning mechanism to shield the display screen. In the event of breakage, this not only protects the testing device but also prevents operators from being injured by flying fragments. It simplifies post-testing cleanup, reducing cleaning costs and time. With the cooperation of the guide plate and transmission mechanism, the limiting seat can move the display screen, allowing for rapid relocation to a designated position during multi-point testing. This shortens the testing cycle, enabling testers to focus more on recording and analyzing test data. Attached Figure Description
[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0016] Figure 2 This is a cross-sectional structural diagram of the protective cover in this utility model;
[0017] Figure 3 This is a schematic diagram of the positioning mechanism in this utility model;
[0018] Figure 4 This is a cross-sectional structural diagram of the bearing plate and the limiting seat in this utility model;
[0019] Figure 5 This is a schematic diagram of the transmission mechanism in this utility model.
[0020] In the diagram: 1. Base cabinet; 2. Support plate; 3. Limiting seat; 4. Electrical control frame; 5. Mounting plate; 6. Pressure plate; 7. Tension spring; 8. C-shaped plate; 9. Protective cover; 10. Positioning groove; 11. Positioning mechanism; 111. L-shaped plate; 112. Pull rod; 113. Positioning block; 114. Compression spring; 12. Guide plate; 13. Transmission mechanism; 131. Servo motor; 132. Drive shaft; 133. Reciprocating threaded rod; 134. Transmission seat; 14. Storage slot; 15. Baffle. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Please see Figure 1-5As shown, the pressure testing device for the vehicle-mounted display screen includes a base cabinet 1. A support plate 2 is bolted to the top of the base cabinet 1. A limit seat 3 is bolted to one side of the top of the support plate 2, allowing the display screen to be placed inside the limit seat 3. An electric control frame 4 is bolted to the top of the support plate 2. An mounting plate 5 is provided on the inner wall of the electric control frame 4. The mounting plate 5 can be raised and lowered under the action of the electric control frame 4. A pressure plate 6 is bolted to the bottom of the mounting plate 5. When the mounting plate 5 is raised and lowered, the pressure plate 6 can be raised and lowered. When the pressure plate 6 descends to a suitable position, the display screen can be tested for pressure resistance. Tension springs 7 are fixedly connected to both sides of the surface of the electric control frame 4. C-shaped plates 8 are fixedly connected to the other end of the surface of the tension springs 7 on both sides. The inner wall of the C-shaped plates 8 is slidably connected to one side of the surface of the electric control frame 4. Protective covers 9 are bolted to the opposite sides of the C-shaped plates 8 on both sides. The length of the inner wall of the protective cover 9 is greater than the maximum displacement of the limit seat 3. When the protective cover 9 is pressed down, the C-shaped plates 8 on both sides can be lowered. When the C-shaped plates 8 are lowered, the tension spring 7 can be stretched. When the protective cover 9 is lowered to a suitable position, it can block the display screen inside the limit seat 3. Under this action, it can prevent the display screen from scattering when it breaks. A positioning groove 10 is opened on the surface of one side of the C-shaped plate 8. A positioning mechanism 11 is provided on one side of the support plate 2. The positioning mechanism 11 works with the positioning groove 10. Under this action, it can prevent the C-shaped plate 8 from returning to its original position under the action of the tension spring 7. When the C-shaped plate 8 is positioned, it can prevent the protective cover 9 from moving. A guide plate 12 is bolted to the inner wall of the support plate 2. A transmission mechanism 13 is provided inside the support plate 2. Under the action of the guide plate 12, the parts inside the transmission mechanism 13 can be guided. When the transmission mechanism 13 is running, it can make the limit seat 3 drive the display screen to move.
[0023] The positioning mechanism 11 includes an L-shaped plate 111. One side of the surface of the L-shaped plate 111 is bolted to one side of the surface of the bearing plate 2. A pull rod 112 is slidably connected to the inner wall of the L-shaped plate 111. The cross-section of one side of the surface of the pull rod 112 is square, and the inner wall of the L-shaped plate 111 is also square. This design prevents the pull rod 112 from rotating. A positioning block 113 is bolted to one end of the surface of the pull rod 112. The positioning block 113 is inclined. When the C-shaped plate 8 descends to the appropriate position, the positioning block 113 can move. When the positioning block 113 moves, the pull rod 112 can move. A compression spring 114 is fixedly connected to one side of the surface of the L-shaped plate 111. The other end of the surface of the compression spring 114 is fixedly connected to one side of the surface of the positioning block 113. When the positioning block 113 moves, the compression spring 114 can be compressed.
[0024] The transmission mechanism 13 includes a servo motor 131. One side of the surface of the servo motor 131 is bolted to one side of the bottom of the inner wall of the support plate 2. The output shaft of the servo motor 131 is bolted to a drive shaft 132. Under the action of the servo motor 131, the drive shaft 132 can rotate. The other end of the surface of the drive shaft 132 is bolted to a reciprocating threaded rod 133. The other end of the surface of the reciprocating threaded rod 133 is rotatably connected to one side of the inner wall of the support plate 2. When the drive shaft 132 rotates, the reciprocating threaded rod 133 can rotate. The surface of the reciprocating threaded rod 133 is threadedly connected to a transmission seat 134. The surface of the transmission seat 134 is slidably connected to the inner wall of the guide plate 12. When the reciprocating threaded rod 133 rotates, the transmission seat 134 can reciprocate. The transmission seat 134 has a convex design on both sides of its surface, and the guide plate 12 has a concave design on both sides of its inner wall. This design makes the transmission seat 134 move more stably. The top of the transmission seat 134 is bolted to the bottom of the limiting seat 3. When the transmission seat 134 moves, the limiting seat 3 can move. Both sides of the surface of the transmission seat 134 are bolted with baffles 15. The width of the baffles 15 is adapted to the width of the through groove at the top of the bearing plate 2. When the transmission seat 134 moves, the baffles 15 can move. The bearing plate 2 has storage grooves 14 on both sides inside. When the baffles 15 move, they can enter the interior of the storage grooves 14. The size of the baffles 15 is adapted to the size of the storage grooves 14. Under the action of the baffles 15, fragments can be prevented from entering the interior of the bearing plate 2.
[0025] Working principle: During the pressure test of the display screen, the protective cover 9 is pressed down. When the protective cover 9 descends, the C-shaped plates 8 on both sides descend. Then, the C-shaped plates 8 descend, which stretches the tension spring 7. Next, when the C-shaped plates 8 descend to the appropriate position, the positioning block 113 moves. When the positioning block 113 moves, the pull rod 112 moves. At the same time, when the positioning block 113 moves, the compression spring 114 is compressed. Then, when the protective cover 9 is in contact with the top of the support plate 2, the positioning block 113 can quickly return to its original position and enter the interior of the positioning groove 10 under the action of the compression spring 114. Under this action, the C-shaped plate 8 on one side can be limited. When the C-shaped plate 8 on one side is limited, the protective cover 9 can be prevented from moving under the action of the tension springs 7 on both sides. When it is necessary to perform multi-point detection on the display screen, the servo motor 131 is turned on. Under the action of the servo motor 131, the drive shaft 132 can be rotated. Then the rotation of the drive shaft 132 can drive the reciprocating threaded rod 133 to rotate. Next, the rotation of the reciprocating threaded rod 133 can move the transmission seat 134. When the transmission seat 134 moves, the limit seat 3 can drive the display screen to move. Then the limit seat 3 can be moved to the appropriate position.
[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A pressure testing device for a vehicle-mounted display screen, comprising a base cabinet (1) and a support plate (2) bolted to the top of the base cabinet (1), characterized in that, Also includes: A limiting seat (3) is bolted to one side of the top of the bearing plate (2). An electric control frame (4) is bolted to the top of the bearing plate (2). An installation plate (5) is provided on the inner wall of the electric control frame (4). A pressure plate (6) is bolted to the bottom of the installation plate (5). Tension springs (7) are fixedly connected to both sides of the surface of the electric control frame (4). C-shaped plates (8) are fixedly connected to the other end of the surface of the tension springs (7) on both sides. The inner wall of the C-shaped plate (8) is slidably connected to one side of the surface of the electric control frame (4). A protective cover (9) is bolted to the opposite sides of the two C-shaped plates (8). A positioning groove (10) is provided on the surface of one side of the C-shaped plate (8). A positioning mechanism (11) is provided on one side of the bearing plate (2). A guide plate (12) is bolted to the inner wall of the bearing plate (2). A transmission mechanism (13) is provided inside the bearing plate (2).
2. The pressure resistance testing device for a vehicle-mounted display screen according to claim 1, characterized in that: The positioning mechanism (11) includes an L-shaped plate (111) bolted to one side of the surface of the bearing plate (2) and a pull rod (112) sliding on the inner wall of the L-shaped plate (111). A positioning block (113) is bolted to one end of the surface of the pull rod (112). A compression spring (114) is fixedly connected to one side of the surface of the L-shaped plate (111), and the other end of the surface of the compression spring (114) is fixedly connected to one side of the surface of the positioning block (113).
3. The pressure resistance testing device for a vehicle-mounted display screen according to claim 1, characterized in that: The transmission mechanism (13) includes a servo motor (131) bolted to one side of the bottom of the inner wall of the bearing plate (2) and a drive shaft (132) bolted to the output shaft of the servo motor (131). A reciprocating threaded rod (133) is bolted to the other end of the surface of the drive shaft (132). The other end of the surface of the reciprocating threaded rod (133) is rotatably connected to one side of the inner wall of the bearing plate (2). A transmission seat (134) is threadedly connected to the surface of the reciprocating threaded rod (133). The surface of the transmission seat (134) is slidably connected to the inner wall of the guide plate (12). The top of the transmission seat (134) is bolted to the bottom of the limiting seat (3). Baffles (15) are bolted to both sides of the surface of the transmission seat (134). Storage grooves (14) are opened on both sides inside the bearing plate (2).
4. The pressure resistance testing device for a vehicle-mounted display screen according to claim 1, characterized in that: The length of the inner wall of the protective cover (9) is greater than the maximum moving distance of the limiting seat (3).
5. The pressure resistance testing device for a vehicle-mounted display screen according to claim 2, characterized in that: The cross-section of one side of the pull rod (112) is square, and the inner wall of the L-shaped plate (111) is square.
6. The pressure resistance testing device for a vehicle-mounted display screen according to claim 3, characterized in that: The transmission seat (134) has a convex design on both sides of its surface, and the guide plate (12) has a concave design on both sides of its inner wall.