A caulking device for a vehicle-mounted display screen

By designing an automated vehicle-mounted display screen seam caulking device and using electric push rods and motor drives, the problem of poor artificial seam caulking accuracy in the prior art is solved, and the yield rate and versatility are improved.

CN222739556UActive Publication Date: 2025-04-11SHENZHEN CDTECH ELECTRONICS CO LTD
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Patent Information

Application Number
CN202421334219.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-04-11
Estimated Expiration
2034-06-12

AI Technical Summary

Technical Problem

In the prior art, during production and processing of vehicle-mounted display screens, due to gaps between the four peripheral edges of the display screen and the frame, manual caulking is required, resulting in poor caulking accuracy and low yield.

Method used

A caulking device for on-board display screen is designed, including base, roof, support rod, electric push rod, mobile plate, motor, rotary shaft, glue coating device and other components. Driven by electric push rod and motor, the caulking agent is automatically filled into the gap between the display screen and the frame.

Benefits of technology

This seam caulking device not only improves the yield rate of the vehicle-mounted display screen, but also facilitates adjustment according to the size of the display screen, which is highly versatile and solves the problem of poor artificial seam caulking accuracy.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222739556U_ABST
Patent Text Reader

Abstract

This utility model relates to the field of display screen technology, specifically a gap-filling device for a vehicle-mounted display screen. It includes a base and a top plate. Support rods are fixedly installed between the four corners of the base and the top plate. An electric push rod is fixedly installed at the upper end of the top plate. The output end of the electric push rod passes through the top plate and is fixedly attached to a movable plate. Multiple support rods are slidably connected to the four corners of the movable plate. A motor is fixedly installed at the lower center of the movable plate. A rotating shaft is fixedly installed at the output end of the motor. An adhesive applicator is fixedly installed at the lower end of the side wall of the rotating shaft via a clamping mechanism. A rectangular frame is fixedly installed between the multiple support rods. An adjustment mechanism is provided inside the rectangular frame. This utility model not only facilitates filling the gap between the display screen and the frame with sealant, improving the yield rate, but also allows for easy adjustment according to the size of the display screen, making it highly versatile.
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Description

Technical Field

[0001] The utility model relates to the technical field of display screens, in particular to a caulking device for a vehicle-mounted display screen. Background Art

[0002] The LED car screen is installed on the car. It uses a dedicated power supply, control card, and unit board to display text, pictures, animations, and videos by turning on and off the dot matrix. It is an independent LED car display system that has developed rapidly with the development of LED display screens. Compared with ordinary door head screens and fixed LED display screens, it has higher requirements on stability, anti-interference, anti-vibration, dustproof, etc. It is usually an LCD screen with external sound, readable SD card, USB and Bluetooth and other functions.

[0003] During the production and processing of the vehicle display screen, there is a gap between the edges of the display screen and the frame, and a sealant needs to be filled in the gap. In the prior art, the sealant is usually filled manually by staff, and the sealant has poor accuracy and low yield rate. Therefore, we have introduced a sealant device for the vehicle display screen. Utility Model Content

[0004] The purpose of the utility model is to provide a caulking device for a vehicle-mounted display screen, which is not only convenient for filling the gap between the display screen and the frame with caulking agent, thereby improving the yield rate, but also convenient for adjustment according to the size of the display screen, and has strong versatility, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A caulking device for a vehicle-mounted display screen comprises a base and a top plate, support rods are fixedly provided between the four corners of the base and the top plate, an electric push rod is fixedly provided at the upper end of the top plate, the output end of the electric push rod passes through the top plate and is fixedly provided with a movable plate, the four corners of the movable plate are respectively slidably connected with a plurality of support rods, a motor is fixedly provided at the middle part of the lower end of the movable plate, a rotating shaft is fixedly provided at the output end of the motor, a gluing device is fixedly provided at the lower end of the side wall of the rotating shaft via a tightening mechanism, a rectangular frame is fixedly provided between the plurality of support rods, and an adjustment mechanism is provided on the inner side of the rectangular frame.

[0007] Preferably, the clamping mechanism includes a rectangular sleeve, a rectangular rod is slidably provided inside the rectangular sleeve, a spring is fixedly provided at one end of the rectangular rod located inside the rectangular sleeve, the glue coating device is fixedly arranged at the bottom of one end of the rectangular rod away from the motor, and a glue coating tube is fixedly provided at the lower end of the glue coating device.

[0008] Preferably, the adjusting mechanism comprises two upper screws and two lower screws, and two upper threaded holes and two lower threaded holes are respectively provided in the side walls around the rectangular frame, the two upper threaded holes are positioned higher than the two lower threaded holes, and the two upper threaded holes are relatively arranged, and the two lower threaded holes are relatively arranged, the two upper screws are respectively threaded in the upper threaded holes, and the two lower screws are respectively threaded in the lower threaded holes, and the opposite ends of the two upper screws are respectively threaded in the upper threaded holes through rolling bearings to provide upper stop rods for rotation, and the opposite ends of the two lower screws are respectively threaded in the lower threaded holes through rolling bearings to provide lower stop rods for rotation.

[0009] Preferably, the side walls of the rectangular frame are provided with limiting grooves matching with the upper stop rod and the lower stop rod.

[0010] Preferably, a rotating wheel is fixedly provided at one end of the upper screw and the lower screw away from the motor.

[0011] Preferably, cylinders are fixedly provided on both sides of the upper end of the base, and clamping plates are fixedly provided on the output ends of the two cylinders.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The caulking device of the vehicle-mounted display screen is provided with a movable plate, a support rod, a rectangular frame, a base, a cylinder, a clamping plate, a lower screw, a rotating wheel, a glue coating tube, a top plate, an electric push rod, a rotating shaft, a lower stop rod, an upper stop rod, a spring, a rectangular sleeve, a glue coating device, a rectangular rod, an upper screw and a motor. The display screen is placed on the base, two cylinders are started, the cylinder drives the clamping plate to clamp the display screen, the electric push rod is started, the output end of the electric push rod drives the lower end of the glue coating tube to move to the upper side of the display screen through the movable plate, the rotating shaft and the abutting mechanism, the spring pushes the rectangular rod, and the rectangular rod drives the glue coating tube and the upper stop rod or the lower stop rod. The wall sliding connection is started, the motor is started, the motor drives the rotating shaft to rotate, the tightening mechanism drives the glue coating tube to rotate around the rotating shaft while always resisting against the upper block rod or the lower block rod, and multiple wheels are rotated. The wheels drive the upper screw or the lower screw to rotate, and the upper screw or the lower screw drives the upper block rod or the lower block rod to move to the gap between the display screen and the frame. After the adjustment is completed, the motor and the glue coating device are started, the glue coating tube rotates around the motor, and the glue coating device fills the gap filler into the gap through the glue coating tube. This not only makes it easy to fill the gap between the display screen and the frame with filler, thereby improving the yield rate, but also can be easily adjusted according to the size of the display screen, and has strong versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The present invention is a structural schematic diagram of a gap filling device for a vehicle-mounted display screen.

[0015] Figure 2 It is a schematic diagram of the structure of the adjustment mechanism when viewed from above.

[0016] Figure 3It is a side structural schematic diagram of the tightening mechanism.

[0017] In the figure: 1. moving plate; 2. supporting rod; 3. rectangular frame; 4. base; 5. cylinder; 6. clamping plate; 7. lower screw; 8. rotating wheel; 9. glue tube; 10. top plate; 11. electric push rod; 12. rotating shaft; 13. lower stop rod; 14. upper stop rod; 15. spring; 16. rectangular sleeve; 17. glue coating device; 18. rectangular rod; 19. upper screw; 20. motor. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figures 1 to 3 , the utility model provides a technical solution:

[0020] A caulking device for a vehicle-mounted display screen includes a base 4 and a top plate 10, support rods 2 are fixedly provided between the four corners of the base 4 and the top plate 10, an electric push rod 11 is fixedly provided at the upper end of the top plate 10, the output end of the electric push rod 11 passes through the top plate 10 and is fixedly provided with a movable plate 1, the four corners of the movable plate 1 are respectively slidably connected with a plurality of support rods 2, a motor 20 is fixedly provided at the middle part of the lower end of the movable plate 1, a rotating shaft 12 is fixedly provided at the output end of the motor 20, a gluing device 17 is fixedly provided at the lower end of the side wall of the rotating shaft 12 through a tightening mechanism, a rectangular frame 3 is fixedly provided between the plurality of support rods 2, and an adjustment mechanism is provided on the inner side of the rectangular frame 3.

[0021] The tightening mechanism includes a rectangular sleeve 16, in which a rectangular rod 18 is slidably provided. A spring 15 is fixedly provided at one end of the rectangular rod 18 located inside the rectangular sleeve 16. A glue coating device 17 is fixedly provided at the bottom of one end of the rectangular rod 18 away from the motor 20. A glue coating tube 9 is fixedly provided at the lower end of the glue coating device 17.

[0022] The adjusting mechanism includes two upper screw rods 19 and two lower screw rods 7. Two upper threaded holes and two lower threaded holes are respectively opened in the side walls around the rectangular frame 3. The positions of the two upper threaded holes are higher than the two lower threaded holes, and the two upper threaded holes are arranged opposite to each other, and the two lower threaded holes are arranged opposite to each other. The two upper screw rods 19 are respectively threaded in the upper threaded holes, and the two lower screw rods 7 are respectively threaded in the lower threaded holes. The opposite ends of the two upper screw rods 19 are rotatably provided with upper stop rods 14 through rolling bearings, and the opposite ends of the two lower screw rods 7 are rotatably provided with lower stop rods 13 through rolling bearings.

[0023] The side wall of the rectangular frame 3 is provided with a limiting groove matched with the upper blocking rod 14 and the lower blocking rod 13 , and the limiting groove can provide a limit for the sliding of the upper blocking rod 4 and the lower blocking rod 13 .

[0024] A rotating wheel 8 is fixedly provided at one end of the upper screw rod 19 and the lower screw rod 7 away from the motor 20 , and the rotating wheel 8 is convenient for rotating the upper screw rod 19 and the lower screw rod 7 .

[0025] Cylinders 5 are fixedly provided on both sides of the upper end of the base 4, and clamping plates 6 are fixedly provided at the output ends of the two cylinders 5. The cylinders 5 push the clamping plates 6 to clamp the display screen.

[0026] When in use, place the display screen on the base 4, start the two cylinders 5, the cylinder 5 drives the clamping plate 6 to clamp the display screen, start the electric push rod 11, the output end of the electric push rod 11 drives the lower end of the glue coating tube 9 to move to the upper side of the display screen through the moving plate 1, the rotating shaft 12 and the tightening mechanism, the spring 15 pushes the rectangular rod 18, the rectangular rod 18 drives the glue coating tube 9 to slide and connect with the rod wall of the upper blocking rod 14 or the lower blocking rod 13, start the motor 20, the motor 20 drives the rotating shaft 12 to rotate, and the tightening mechanism drives the glue coating tube 9 to rotate around the rotating shaft 12 while always being in contact with the The upper blocking rod 14 or the lower blocking rod 13 is abutted against each other, and the multiple rotating wheels 8 are rotated. The rotating wheels 8 drive the upper screw 19 or the lower screw 7 to rotate, and the upper screw 19 or the lower screw 7 drives the upper blocking rod 14 or the lower blocking rod 13 to move to the gap between the display screen and the frame. After the adjustment is completed, the motor 20 and the glue coating device 17 are started, and the glue coating tube 9 rotates around the motor 20. The glue coating device 17 fills the gap filler into the gap through the glue coating tube 9, which not only facilitates the filling of the gap between the display screen and the frame with the filler, thereby improving the yield rate, but also can be easily adjusted according to the size of the display screen, and has strong versatility.

[0027] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A caulking device for a vehicle-mounted display screen, comprising a base (4) and a top plate (10), characterized in that: Support rods (2) are fixedly provided between the base (4) and the four corners of the top plate (10); an electric push rod (11) is fixedly provided at the upper end of the top plate (10); the output end of the electric push rod (11) penetrates the top plate (10) and is fixedly provided with a movable plate (1); the four corners of the movable plate (1) are respectively slidably connected with a plurality of support rods (2); a motor (20) is fixedly provided at the middle of the lower end of the movable plate (1); a rotating shaft (12) is fixedly provided at the output end of the motor (20); a gluing device (17) is fixedly provided at the lower end of the side wall of the rotating shaft (12) via a tightening mechanism; a rectangular frame (3) is fixedly provided between the plurality of support rods (2); an adjusting mechanism is provided on the inner side of the rectangular frame (3).

2. The gap filling device for a vehicle-mounted display screen according to claim 1, characterized in that: The tightening mechanism comprises a rectangular sleeve (16), a rectangular rod (18) is slidably arranged inside the rectangular sleeve (16), a spring (15) is fixedly arranged at one end of the rectangular rod (18) located inside the rectangular sleeve (16), the glue coating device (17) is fixedly arranged at the bottom of one end of the rectangular rod (18) away from the motor (20), and a glue coating tube (9) is fixedly arranged at the lower end of the glue coating device (17).

3. The gap filling device for a vehicle-mounted display screen according to claim 1, characterized in that: The adjusting mechanism comprises two upper screw rods (19) and two lower screw rods (7). Two upper threaded holes and two lower threaded holes are respectively provided in the side walls around the rectangular frame (3). The positions of the two upper threaded holes are higher than the two lower threaded holes, and the two upper threaded holes are arranged opposite to each other. The two upper screw rods (19) are respectively threadedly arranged in the upper threaded holes, and the two lower screw rods (7) are respectively threadedly arranged in the lower threaded holes. The opposite ends of the two upper screw rods (19) are rotatably provided with upper stop rods (14) through rolling bearings, and the opposite ends of the two lower screw rods (7) are rotatably provided with lower stop rods (13) through rolling bearings.

4. The gap filling device for a vehicle-mounted display screen according to claim 1, characterized in that: The side wall of the rectangular frame (3) is provided with a limiting groove which matches with the upper blocking rod (14) and the lower blocking rod (13).

5. The caulking device for a vehicle-mounted display screen according to claim 3, characterized in that: A rotating wheel (8) is fixedly provided at one end of the upper screw rod (19) and the lower screw rod (7) away from the motor (20).

6. The caulking device for a vehicle-mounted display screen according to claim 1, characterized in that: Cylinders (5) are fixedly provided on both sides of the upper end of the base (4), and clamping plates (6) are fixedly provided on the output ends of the two cylinders (5).