Cover plate structure facilitating film coating clearance and laser drilling equipment

By opening through holes on the cover plate of the central control touch display module and using laser drilling equipment to form through holes, combined with the positioning and occlusion of the air-avoiding cap, the adhesion problem affected by ARAF is solved, and high-precision Coating and assembly reduces costs.

CN222349094UActive Publication Date: 2025-01-14TRULY OPTO ELECTRONICS
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Patent Information

Application Number
CN202420236804.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-31
Publication Date
2025-01-14
Estimated Expiration
2034-01-31

AI Technical Summary

Technical Problem

In the central control touch display module, the adhesion between physical knob buttons and touch screen is affected by ARAF plating, and the existing mass production method avoids air by attaching a protective film, which has poor accuracy and high cost, so it is impossible to ensure the protective film. Accurate position.

Method used

Design a cover plate structure that is easy to coat and avoid the air. By opening through holes on the cover plate and installing an air-avoiding cap, use the through holes to position the air-avoiding cap to block and avoid the physical knob position, and combine laser drilling equipment to punch the cover plate. The hole forms through holes, improving coating accuracy and assembly accuracy, and avoiding the use of protective films.

Benefits of technology

It realizes good adhesion between the physical knob and the cover plate, reduces production costs, improves the coating air-avoiding accuracy and physical knob assembly accuracy, and the air-avoiding cap can be reused multiple times.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cover plate structure and laser drilling equipment convenient for film coating clearance, and relates to the display module field, the cover plate structure comprises a cover plate, the cover plate is provided with a through hole in a physical knob installation area, the through hole is provided with a clearance cap, the laser drilling equipment comprises a machine table, the upper surface of the machine table is rotatably provided with a rotating disc, and the rotating disc is provided with a rotating shaft. A rotating disc is arranged on the machine table, placing discs distributed in a circumferential mode are arranged on the rotating disc, placing grooves are formed in the placing discs, a lifting frame is arranged on one side of the machine table, a driving piece is installed on the lifting frame, and a laser assembly sliding up and down is installed on the lifting frame. When the cover plate is coated, the mounting position of the physical knob can be avoided, the adhesion of the physical knob and the cover plate is ensured, the clearance cap can be repeatedly used, the production cost is reduced, the coating clearance precision is improved, and the assembly precision of the physical knob can also be improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of display modules, in particular to a cover plate structure and laser drilling equipment which are convenient for film coating and air avoidance. Background Art

[0002] Now more and more customers have the demand to add physical Knob knobs to the visual area of ​​the central control touch display module. As a new technical innovation point, it has great development prospects. For example, the Chinese utility model patent (CN202321230814.5) discloses an intelligent central control knob, which belongs to the technical field of intelligent central control knobs, including a host, one end of the host is fixedly connected with a circular ring, the inner surface of the host is provided with an arc groove, the inner surface of the host is provided with a pair of symmetrical through grooves, the through grooves are connected to the annular groove, one end of the circular ring is provided with a pair of symmetrical slots, and a collar is provided in the host, and a pair of symmetrical rotating blocks are fixedly connected to the surface of the collar. It is provided with a metal knob, a first slider, a second slider, a knob body, a collar, a rotating block and an annular groove. When the metal knob is rotated, the first slider will be driven to rotate, so that the second slider drives the knob body and the collar to rotate, and the collar rotates to drive the rotating block to rotate in the annular groove, so as to realize the rotation control of the central control knob.

[0003] The physical knob button of the central control screen is designed to be attached to the cover plate of the touch screen, and the surface of the cover plate is often coated with ARAF, wherein ARAF will greatly reduce the dyne value of the glass surface, thereby affecting the adhesion of the physical knob button to the cover plate of the touch screen. Therefore, the ARAF coating should be avoided at the bonding position of the physical knob button and the touch screen. The existing mass production method is to avoid air by sticking a protective film, which has high requirements on the performance of the protective film, and the attachment accuracy of the protective film is relatively poor. Moreover, the sticking of the protective film is completed by a clamp, and it is impossible to judge whether the protective film is offset. Therefore, the utility model discloses a cover plate structure and a laser punching device that are convenient for coating and avoiding air to solve the above problems. Utility Model Content

[0004] Based on this, it is necessary to provide a cover plate structure and laser punching equipment that are convenient for coating and air avoidance in order to solve the above-mentioned technical problems. A through hole is opened on the cover plate, and the position of the air avoidance cap is located through the through hole. The air avoidance cap is used to block the air avoidance area on the cover plate. When the surface of the cover plate is subjected to anti-reflection and anti-fingerprint coating, the installation position of the physical knob can be avoided, thereby ensuring the adhesion between the physical knob and the cover plate. There is no need to attach a protective film for positioning, and the air avoidance cap can be reused multiple times, thereby reducing production costs. The through hole is used to position the air avoidance cap, thereby improving the accuracy of coating and air avoidance, and at the same time, it can also improve the assembly accuracy of the physical knob.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A cover plate structure for avoiding air during film coating comprises a cover plate, wherein the cover plate is provided with a through hole in a physical knob installation area, and a avoiding air cap is installed at the through hole.

[0007] As a preferred embodiment of the cover plate structure for avoiding air during coating provided by the utility model, the air avoiding cap includes an air avoiding portion, the air avoiding portion is provided with an integral plug-in portion, and the plug-in portion is plugged into the through hole.

[0008] As a preferred implementation of the cover plate structure for avoiding air gap during film coating provided by the utility model, the bottom surface of the avoiding air gap covers the physical knob installation area on the cover plate.

[0009] The present application also provides a laser drilling device, which is used to drill holes on a cover plate to form through holes. The laser drilling device includes a machine platform, a turntable is rotatably installed on the upper surface of the machine platform, the turntable is provided with placement plates distributed in a circle, the placement plates are provided with placement grooves, a lifting frame is provided on one side of the machine platform, a driving part is installed on the lifting frame, and a laser component that slides up and down is installed on the lifting frame.

[0010] As a preferred embodiment of the cover structure for avoiding air during coating provided by the utility model, the laser assembly includes a movable frame, a laser head is installed at one end of the movable frame, the movable frame is slidably connected to the lifting frame, and the driving member drives the movable frame to rise and fall on the lifting frame.

[0011] As a preferred implementation of the cover plate structure for avoiding air during coating provided by the utility model, the turntable is provided with sliding grooves distributed in a circumference, and the placement plate is slidably connected to the sliding grooves.

[0012] As a preferred embodiment of the cover plate structure for avoiding air during coating provided by the utility model, the two sides of the placement groove along the sliding direction of the placement plate are wedge-shaped groove structures, and the two sides of the placement plate match the wedge-shaped groove structure.

[0013] As a preferred implementation of the cover plate structure for avoiding air during film coating provided by the utility model, scales are provided on both sides of the turntable located at the slide groove.

[0014] As a preferred embodiment of the cover plate structure that is convenient for coating and avoiding air provided by the utility model, a limit block is installed on the slide groove, a ball screw is movably connected between the limit block and the slide groove, the ball screw is threadedly connected to the placement plate, and a handle is fixedly connected to the outer end of the ball screw.

[0015] As a preferred implementation of the cover plate structure that is convenient for film coating and air avoidance provided by the utility model, the limit block is connected to the turntable by bolts.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The utility model provides a cover plate structure that is convenient for film coating and air avoidance. A through hole is opened on the cover plate, and the position of the air avoidance cap is located through the through hole. The air avoidance cap is used to block the air avoidance area on the cover plate. When the surface of the cover plate is subjected to anti-reflection and anti-fingerprint coating, the installation position of the physical knob can be avoided, thereby ensuring the adhesion between the physical knob and the cover plate. There is no need to attach a protective film for positioning. The air avoidance cap can be reused many times, thereby reducing the production cost. The through hole is used to position the air avoidance cap, thereby improving the accuracy of film coating and air avoidance, and also improving the assembly accuracy of the physical knob.

[0018] 2. The laser drilling equipment provided by the utility model has a turntable on the machine platform, and circularly distributed placement plates are arranged on the turntable. The placement grooves on the placement plates position the cover plate to be punched. Through holes are punched on the cover plate by using a laser component. The turntable rotates to achieve continuous drilling of the cover plate, thereby improving the drilling efficiency and drilling accuracy of the cover plate.

[0019] 3. The laser drilling equipment provided by the utility model arranges a slide groove on the disc, and the placement disc is adjusted in position by a ball screw, and the adjustment accuracy of the placement disc is improved by the scales on both sides of the slide groove to ensure the position of the placement disc on the turntable. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the scheme in the utility model, a brief introduction is given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 A three-dimensional schematic diagram of the overall structure of the cover plate structure provided by the utility model for facilitating film coating and avoiding air;

[0022] Figure 2 for Figure 1 Schematic cross-sectional view of ;

[0023] Figure 3 A schematic diagram of the cover structure provided by the utility model for facilitating film coating and avoiding air;

[0024] Figure 4 A three-dimensional schematic diagram of the overall structure of the laser drilling device provided by the utility model;

[0025] Figure 5 The present invention is a three-dimensional schematic diagram of the turntable structure of the laser drilling equipment provided by the present invention.

[0026] The markings in the figure are as follows:

[0027] 1. Cover plate; 2. Through hole; 3. Air avoidance cap; 301. Air avoidance part; 302. Plug-in part; 4. Machine table; 5. Turntable; 501. Slide groove; 502. Wedge groove structure; 503. Scale; 504. Limit block; 505. Ball screw; 506. Handle; 6. Placement plate; 7. Placement groove; 8. Lifting frame; 9. Driving part; 10. Laser assembly; 101. Moving frame; 102. Laser head. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0029] As described in the background technology, the physical knob button of the central control screen is designed to be attached to the cover plate of the touch screen, and the surface of the cover plate is often plated with ARAF, wherein ARAF will greatly reduce the dyne value of the glass surface, thereby affecting the adhesion between the physical knob button and the cover plate of the touch screen. Therefore, the ARAF plating should be avoided at the bonding position of the physical knob button and the touch screen. The existing mass production method is to avoid air by sticking a protective film, which has high requirements on the performance of the protective film and the attachment accuracy of the protective film is relatively poor. Moreover, the sticking of the protective film is completed by a clamp, and it is impossible to judge whether the protective film is offset.

[0030] In order to solve this technical problem, the utility model provides a cover plate structure and a laser drilling device that are convenient for coating and avoiding air, and are applied in the field of display modules.

[0031] Specifically, please refer to Figure 1-3 The cover plate 1 structure that is convenient for coating and avoiding airflow specifically includes a cover plate 1, wherein the cover plate 1 is provided with a through hole 2 in the physical knob installation area, and a airflow avoidance cap 3 is installed at the through hole 2.

[0032] The utility model provides a cover plate 1 structure which is convenient for film coating and air avoidance. A through hole 2 is opened on the cover plate 1, and the position of the air avoidance cap 3 is located through the through hole 2. The air avoidance cap 3 is used to shield the air avoidance area on the cover plate 1. When the surface of the cover plate 1 is subjected to anti-reflection and anti-fingerprint coating, the installation position of the physical knob can be avoided, thereby ensuring the adhesion between the physical knob and the cover plate 1. There is no need to attach a protective film for positioning. The air avoidance cap 3 can be reused many times, thereby reducing the production cost. The through hole 2 is used to position the air avoidance cap 3, thereby improving the film coating and air avoidance accuracy, and also improving the assembly accuracy of the physical knob.

[0033] In order to achieve the above technical effects, the present invention provides a laser drilling device, which is used to drill holes in a cover plate 1 to form through holes 2. The laser drilling device includes a machine table 4, a turntable 5 is rotatably installed on the upper surface of the machine table 4, and a placement plate 6 distributed in a circular shape is arranged on the turntable 5. The placement plate 6 is provided with a placement groove 7. A lifting frame 8 is arranged on one side of the machine table 4, a driving member 9 is installed on the lifting frame 8, and a laser component 10 that slides up and down is installed on the lifting frame 8.

[0034] The utility model provides a laser drilling device, which has a turntable 5 on a machine table 4, circumferentially distributed placement plates 6 arranged on the turntable 5, placement grooves 7 on the placement plate 6 for positioning a cover plate 1 to be punched, and a through hole 2 is punched on the cover plate 1 by using a laser component 10. The turntable 5 rotates to achieve continuous drilling of the cover plate 1, thereby improving the drilling efficiency and drilling accuracy of the cover plate 1.

[0035] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0036] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0037] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0038] Example 1

[0039] Please refer to Figure 1-3 , a cover plate 1 structure and a laser punching device that are convenient for coating and air avoidance are provided, which include a cover plate 1, a through hole 2 is provided in the physical knob installation area of ​​the cover plate 1, a air avoidance cap 3 is installed at the through hole 2, the air avoidance cap 3 includes an air avoidance portion 301, an integral plug-in portion 302 is provided on the air avoidance portion 301, the plug-in portion 302 is plugged into the through hole 2, and the bottom surface of the air avoidance portion 301 covers the physical knob installation area on the cover plate 1.

[0040] When the cover plate 1 is on the white glass, a through hole 2 is punched in the area where the physical knob is installed on the cover plate 1 by laser drilling, the white glass is chemically tempered, and then the plug-in part 302 on the air avoidance cap 3 is inserted into the through hole 2, and the surface of the cover plate 1 is covered with the air avoidance part 301. A layer of AR layer and an AF layer are sequentially plated on the surface of the cover plate 1 by a coating device, and the air avoidance cap 3 is removed to obtain the coated cover plate 1, and the cover plate 1 and the sensor layer are fixed by glue, and the glue flows into the through hole 2, and the inner wall of the through hole 2 is encapsulated with glue. After the glue is cured, the sensor layer on the touch screen can be isolated from the external environment, ensuring the normal use of the sensor layer and improving the service life.

[0041] In this example, AR stands for Anti-Reflection; AF stands for Anti-Fingerprint.

[0042] The utility model provides a cover plate 1 structure which is convenient for film coating and air avoidance. A through hole 2 is opened on the cover plate 1, and the position of the air avoidance cap 3 is located through the through hole 2. The air avoidance cap 3 is used to shield the air avoidance area on the cover plate 1. When the surface of the cover plate 1 is subjected to anti-reflection and anti-fingerprint coating, the installation position of the physical knob can be avoided, thereby ensuring the adhesion between the physical knob and the cover plate 1. There is no need to attach a protective film for positioning. The air avoidance cap 3 can be reused many times, thereby reducing the production cost. The through hole 2 is used to position the air avoidance cap 3, thereby improving the film coating and air avoidance accuracy, and also improving the assembly accuracy of the physical knob.

[0043] Example 2

[0044] refer to Figure 4-5 , a laser drilling device is provided, which is used to drill a hole 2 on a cover plate 1, and the laser drilling device includes a machine table 4, a turntable 5 is rotatably installed on the upper surface of the machine table 4, and the turntable 5 is driven to rotate by the servo motor of the machine table 4. The turntable 5 is provided with placement plates 6 distributed in a circle, and the angle of each rotation of the turntable 5 is the angle between two adjacent placement plates 6. The placement plates 6 are provided with placement grooves 7, and a lifting frame 8 is provided on one side of the machine table 4. A driving member 9 is installed on the lifting frame 8, and a laser assembly 10 that slides up and down is installed on the lifting frame 8. The driving member 9 drives the laser assembly 10 to slide up and down on the lifting frame 8. The specific structure of the driving member 9 can be screw-driven or conveyor-driven. This part is an existing conventional structure and is not protected herein and will not be described in detail.

[0045] Specifically, the laser assembly 10 includes a movable frame 101 , a laser head 102 is installed at one end of the movable frame 101 , the movable frame 101 is slidably connected to the lifting frame 8 , and the movable frame 101 is transmission-connected to the driving member 9 , and the driving member 9 drives the movable frame 101 to rise and fall on the lifting frame 8 .

[0046] Through the above-mentioned structural design, the punching equipment is provided with a turntable 5 on the machine table 4, and a circumferentially distributed placement disk 6 is arranged on the turntable 5. The placement groove 7 on the placement disk 6 positions the cover plate 1 to be punched. The through hole 2 is punched on the cover plate 1 by using the laser component 10. The turntable 5 rotates to realize continuous punching of the cover plate 1, thereby improving the punching efficiency and punching accuracy of the cover plate 1.

[0047] Example 3

[0048] The cover plate 1 structure and laser drilling equipment provided in Example 2 for facilitating film coating and avoiding air gap are further optimized. Specifically, Figure 5 As shown, the turntable 5 is provided with circumferentially distributed slide grooves 501, and the placement plate 6 is slidably connected to the slide grooves 501, and the position of the placement plate 6 on the turntable 5 can be adjusted, and the placement grooves 7 are wedge-shaped groove structures 502 on both sides of the sliding direction of the placement plate 6, and the two sides of the placement plate 6 match the wedge-shaped groove structures 502. The setting of the wedge-shaped groove structure 502 can limit the placement plate 6 in the horizontal and vertical directions, ensuring that the placement plate 6 slides along the length direction of the slide grooves 501. At the same time, scales 503 are provided on both sides of the turntable 5 located at the slide grooves 501, which is convenient for accurately determining the sliding position of the placement plate 6.

[0049] A limit block 504 is installed on the slide groove 501, and a ball screw 505 is movably connected between the limit block 504 and the slide groove 501. The ball screw 505 is connected to the limit block 504 through a shaft sleeve, and the ball screw 505 is threadedly connected to the placement plate 6. The outer end of the ball screw 505 is fixedly connected with a handle 506. The position of the placement plate 6 is adjusted by rotating the ball screw 505. At the same time, the limit block 504 can limit the placement plate 6 to prevent the placement plate 6 from sliding out of the slide groove 501. The limit block 504 can also provide support for the ball screw 505, and the limit block 504 is connected to the turntable 5 by bolts for easy disassembly, so as to facilitate the replacement of placement plates 6 of different specifications to place cover plates 1 of different sizes.

[0050] Through the above structural design, by setting the slide groove 501 on the disc, the placement disc 6 is adjusted in position through the ball screw 505, and the adjustment accuracy of the placement disc 6 is improved by the scale 503 on both sides of the slide groove 501, thereby ensuring the position of the placement disc 6 on the turntable 5.

[0051] The working principle of the cover plate 1 structure and the laser drilling device provided by the utility model, which are convenient for coating and avoiding air, is as follows: the white plate glass on the central control screen is placed on the placement plate on the turntable 5, and the servo motor drives the turntable 5 to rotate until it rotates to the bottom of the laser component 10, and the laser component 10 descends to drill a hole in the white plate glass to form a through hole 2, and then the white plate glass with the through hole 2 is chemically tempered to obtain the central control screen cover plate 1, and the air avoidance cap 3 is inserted into the through hole 2 to cover the installation area of ​​the physical knob, and the coating equipment is used to coat the surface of the cover plate 1 to form an AR film and an AF film, and the air avoidance cap 3 is removed, and the sensor layer is glued to the cover plate 1. The board 1 is bonded, and the glue flows into the through hole 2. After the glue is cured, the external environment and the sensor layer are separated, and then the central control screen structure is assembled, and a through hole 2 is opened on the cover plate 1. The position of the air avoidance cap 3 is located through the through hole 2, and the air avoidance cap 3 is used to block the air avoidance area on the cover plate 1. When the surface of the cover plate 1 is anti-reflective and anti-fingerprint coated, the installation position of the physical knob can be avoided, thereby ensuring the adhesion between the physical knob and the cover plate 1, and there is no need to attach a protective film for positioning. The air avoidance cap 3 can be reused many times, reducing the production cost, and the through hole 2 is used to position the air avoidance cap 3, which improves the coating air avoidance accuracy, and also can improve the assembly accuracy of the physical knob.

[0052] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0053] Obviously, the embodiments described above are only some embodiments of the utility model, rather than all embodiments. The preferred embodiments of the utility model are given in the accompanying drawings, but they do not limit the patent scope of the utility model. The utility model can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. Although the utility model is described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific implementation methods, or to replace some of the technical features therein with equivalents. Any equivalent structure made using the contents of the utility model specification and the accompanying drawings, directly or indirectly used in other related technical fields, is also within the scope of patent protection of the utility model.

Claims

1. A cover plate structure for avoiding air during film coating, comprising a cover plate, characterized in that: The cover plate is provided with a through hole in the physical knob installation area, and a gap-proof cap is installed at the through hole.

2. A cover plate structure for facilitating film coating and avoiding air gaps according to claim 1, characterized in that: The air avoidance cap comprises an air avoidance portion, on which an integrated plug-in portion is arranged, and the plug-in portion is plugged into the through hole.

3. A cover plate structure for avoiding air during film coating according to claim 2, characterized in that: The bottom surface of the air-avoiding portion covers the physical knob installation area on the cover plate.

4. A laser drilling device, characterized in that: Used for punching holes in the cover plate to form through holes in the cover plate structure for facilitating film coating and avoiding air as described in any one of claims 1-3, the laser drilling equipment comprises a machine platform, a turntable is rotatably mounted on the upper surface of the machine platform, the turntable is provided with placement plates distributed in a circle, the placement plates are provided with placement grooves, a lifting frame is provided on one side of the machine platform, a driving part is installed on the lifting frame, and a laser component that slides up and down is installed on the lifting frame.

5. The laser drilling device according to claim 4, characterized in that: The laser assembly comprises a moving frame, one end of which is provided with a laser head, the moving frame is slidably connected with a lifting frame, and the driving member drives the moving frame to rise and fall on the lifting frame.

6. The laser drilling device according to claim 4, characterized in that: The rotating disk is provided with sliding grooves distributed in a circumference, and the placing disk is slidably connected with the sliding grooves.

7. The laser drilling device according to claim 6, characterized in that: The two sides of the placement groove along the sliding direction of the placement plate are wedge-shaped groove structures, and the two sides of the placement plate match the wedge-shaped groove structure.

8. The laser drilling device according to claim 6, characterized in that: The rotating disk is provided with scales on both sides of the slideway.

9. The laser drilling device according to claim 6, characterized in that: A limit block is installed on the slide slot, a ball screw is movably connected between the limit block and the slide slot, the ball screw is threadedly connected to the placement plate, and a handle is fixedly connected to the outer end of the ball screw.

10. The laser drilling device according to claim 9, characterized in that: The limit block is connected to the rotating disk via bolts.

Citation Information

Patent Citations

  • Intelligent central control knob

    CN219695669U