Passive knob on glass surface
By designing passive knobs on the glass surface, using the electrical connection between the metal knob shell and the ring electrode, and combining the structure of the suction cup and magnetic block, the problem of traditional knobs requiring installation holes is solved, and the knobs are realized is achieved with high knob movement and high knobs Tactile feedback.
Patent Information
- Application Number
- CN202411605682.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-02-21
AI Technical Summary
Traditional knobs require installation holes to be reserved on the surface of the equipment, which increases the cost of opening the mold, affects the aesthetics, and the knobs are fixed and cannot be moved.
A glass-surface passive knob is designed, using a metal knob shell and annular electrode for electrical connection, combining suction cups and magnetic blocks to achieve knob mobility and installation without special openings.
The knob is movable and the installation without special holes is realized, and the tactile feedback of the rotating gear is increased, blind operation can be achieved and production costs are reduced.
Smart Images

Figure CN119493448A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of knobs, in particular to a passive knob on a glass surface. Background Art
[0002] A knob is a manual component that is turned by hand. Depending on the functional requirements, it can be divided into continuous and multiple rotations, with a rotation angle of up to 360°, or positioning rotation. The edge of the knob is an ordinary round protrusion, disk or dial engraved with one or a series of numbers. It can be rotated or pushed in and pulled out to start, manipulate or control something (such as a radio or TV).
[0003] Traditional knobs generally need to be installed on the surface of the device, so mounting holes need to be reserved on the surface of the device, which increases the mold opening cost or requires a special hole opening process, affects the appearance, and the position of the knob after installation is fixed and cannot be moved. Summary of the invention
[0004] The purpose of the present invention is to provide a glass surface passive knob to solve the problem.
[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A passive knob on a glass surface comprises a connecting shell, a metal knob shell and an annular electrode are sleeved on the surface of the connecting shell, the metal knob shell and the annular electrode are electrically connected to achieve a state in which a human body is connected to the annular electrode by contacting the metal knob shell, the interior of the connecting shell is set to a hollow state, and a suction cup is arranged inside, a driving mechanism for driving the suction cup to move is arranged inside the connecting shell, and a magnetic suction block is fixedly installed on the bottom of the connecting shell.
[0006] Preferably, the magnetic block is configured as a ring structure.
[0007] Preferably, the driving mechanism includes a screw, which is rotatably connected to the inside of a connecting shell, and two sliders are slidably connected to the inside of the connecting shell. The screw is provided with two sections of opposite threads with its midpoint as a dividing line, and the two sliders are respectively threadedly connected to the two ends of the screw, and the bottom ends of the two sliders are rotatably connected to connecting rods, and a sliding rod is fixedly installed on the top of the suction cup, the sliding rod is slidably connected to the connecting shell, and the ends of the two connecting rods away from the sliding rods are rotatably connected to the sliding rod.
[0008] Preferably, the inner wall of the connecting shell is provided with two vertical grooves, and the two ends of the sliding rod are slidably connected to the connecting shell via the two vertical grooves.
[0009] Preferably, a sliding groove is provided on the top wall of the connecting shell, and the two sliding blocks are slidably connected to the connecting shell via the sliding groove.
[0010] Preferably, a connecting block is fixedly mounted on the top wall of the connecting shell, the screw rod rotates through the connecting block, and the screw rod is rotatably connected to the connecting shell through the connecting block.
[0011] Preferably, a through hole is provided at the top of the connecting block, a rotating block is fixedly mounted on the surface of the screw relative to the middle position, the rotating block is located inside the through hole, and the top of the rotating block passes through the through hole so as to be able to be rotated by fingers.
[0012] Preferably, the metal knob shell controls the angle and direction of rotation through a rotary encoder pulse.
[0013] Preferably, an ADC interface is provided on the surface of the connecting shell.
[0014] The present invention has at least the following beneficial effects: The knob contacts the metal knob shell, connecting the human body to the ring-shaped electrode at the bottom of the metal knob shell, thereby simulating the finger's left and right rotation and single and double press confirmation operations on the screen. At the same time, the knob can also be designed to be movable, which can increase the tactile feedback of the rotation gear and realize blind operation without the need for special structural design and processing technology such as special hole openings.
[0015] The knob can be placed anywhere around the screen by setting up suction cups and magnetic blocks. No special hole opening and other structural design and processing technology are required. It can be easily realized on traditional touch display modules, and the proportion of display and non-display parts in the knob area can be adjusted. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying any creative work.
[0017] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 For the present invention Figure 1 Schematic diagram of the bottom structure; Figure 3 It is a cross-sectional view of the connection shell of the present invention; Figure 4 For the present invention Figure 3 Disassembly diagram.
[0018] In the figure: 1. connecting shell; 2. slider; 3. screw; 4. rotating block; 5. connecting rod; 6. sliding rod; 7. suction cup; 8. vertical groove; 9. connecting block; 10. sliding groove; 11. metal knob shell; 12. ring electrode; 13. ADC interface; 14. magnetic suction block. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.
[0020] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0021] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.
[0022] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.
[0023] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the inventive product is usually placed when used. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0024] Reference Figure 1-4A passive knob on a glass surface comprises a connecting shell 1, a metal knob shell 11 and an annular electrode 12 are sleeved on the surface of the connecting shell 1, the metal knob shell 11 and the annular electrode 12 are electrically connected to achieve a state where a human body is connected to the annular electrode 12 by contacting the metal knob shell 11, the interior of the connecting shell 1 is set to a hollow state, and a suction cup 7 is arranged inside, a driving mechanism for driving the suction cup 7 to move is arranged inside the connecting shell 1, a magnetic suction block 14 is fixedly installed at the bottom of the connecting shell 1, the knob contacts the metal knob shell 11, connects the human body to the annular electrode 12 at the bottom of the metal knob shell 11, thereby simulating a finger rotating left and right on the screen Operations such as right rotation and single and double press confirmation can also be designed to be movable. The knob can be conveniently placed in a specific area through magnetic attraction or suction cup 7. The structure is simple and easy to implement, and the tactile feedback of the rotation gear can be increased. Blind operation can be achieved without the need for special structural designs such as openings and processing technology. It can be easily implemented on a traditional touch display module and can be arranged at any position around the screen. The suction cup 7 is stored in the interior of the connecting shell 1. When the suction cup 7 is needed, the driving mechanism can be used to move the suction cup 7 out, and when it is not needed, it can be stored in, thereby not affecting the normal use of the magnetic block 14.
[0025] Furthermore, the magnetic block 14 is configured as an annular structure, which is installed at the bottom of the connecting shell 1 and configured as an annular structure, thereby ensuring its own use effect after installation without affecting the removal of the suction cup 7.
[0026] Furthermore, the driving mechanism includes a screw 3, which is rotatably connected to the inside of the connecting shell 1. Two sliders 2 are slidably connected to the inside of the connecting shell 1. The screw 3 is provided with two sections of opposite threads with its midpoint as the dividing line. The two sliders 2 are respectively threadedly connected to the two ends of the screw 3. The bottom ends of the two sliders 2 are rotatably connected to a connecting rod 5. A sliding rod 6 is fixedly installed on the top of the suction cup 7. The sliding rod 6 is slidably connected to the connecting shell 1. The ends of the two connecting rods 5 away from the sliding rod 2 are rotatably connected to the sliding rod 6. When the driving mechanism is in use, the screw 3 is rotated, and the screw 3 will drive the two sliders 2 to move in opposite directions, thereby utilizing the two sliders 2 to drive the two connecting rods 5 to move. The two connecting rods 5 drive the sliding rod 6 and the suction cup 7 to move vertically inside the connecting shell 1, thereby facilitating the suction cup 7 to be moved out of the connecting shell 1 or stored in the connecting shell 1.
[0027] Furthermore, two vertical grooves 8 are provided on the inner wall of the connecting shell 1 , and two ends of the sliding rod 6 are slidably connected to the connecting shell 1 through the two vertical grooves 8 .
[0028] Furthermore, a sliding groove 10 is provided on the top wall of the connecting shell 1 , and the two sliding blocks 2 are slidably connected to the connecting shell 1 through the sliding groove 10 .
[0029] Furthermore, a connecting block 9 is fixedly installed on the top wall of the connecting shell 1, and the screw 3 rotates and passes through the connecting block 9. The screw 3 is rotatably connected to the connecting shell 1 through the connecting block 9. The rotation of the screw 3 can be achieved through the protruding rotating block 4, which is convenient for operation.
[0030] Furthermore, a through hole is opened at the top of the connecting block 9, and a rotating block 4 is fixedly installed on the surface of the screw rod 3 relative to the middle position. The rotating block 4 is located inside the through hole, and the top of the rotating block 4 passes through the through hole so that it can be rotated by fingers.
[0031] Furthermore, the metal knob shell 11 controls the rotation angle and direction through the rotary encoder pulse.
[0032] Furthermore, an ADC interface 13 is provided on the surface of the connecting shell 1, and the ADC interface 13 is provided to facilitate conversion of analog signals into digital signals, thereby realizing signal transmission.
[0033] In summary, the knob contacts the metal knob shell 11 to conduct the human body with the annular electrode 12 at the bottom of the metal knob shell 11, thereby simulating the left and right rotations and single and double press confirmation operations of the finger on the screen. At the same time, the knob can also be designed to be movable, and the knob can be conveniently placed in a specific area through magnetic attraction or suction cup 7, etc. The structure is simple and easy to implement, and the tactile feedback of the rotation gear can be increased, and blind operation can be realized without the need for special structural design and processing such as opening holes. It can be easily realized on a traditional touch display module and can be arranged at any position around the screen, wherein the suction cup 7 is stored inside the connecting shell 1, and when the suction cup 7 is needed, the driving mechanism can be used to move the suction cup 7 out, and when it is not needed, it can be put away The magnetic block 14 is installed at the bottom of the connecting shell 1 and is arranged in a ring shape, so as to ensure its own use effect after installation without affecting the removal of the suction cup 7. When the driving mechanism is in use, the screw rod 3 is rotated, and the screw rod 3 drives the two sliders 2 to move in opposite directions, so as to use the two sliders 2 to drive the two connecting rods 5 to move, and the two connecting rods 5 drive the slide rod 6 and the suction cup 7 to move vertically inside the connecting shell 1, so as to facilitate the suction cup 7 to be moved out of the connecting shell 1 or stored in the connecting shell 1. The rotation of the screw rod 3 can be realized by the protruding rotating block 4, which is convenient for operation. By setting the ADC interface 13, it is convenient to convert the analog signal into a digital signal, thereby realizing signal transmission.
[0034] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.
Claims
1. A glass surface passive knob, characterized in that: The invention comprises a connection shell (1), the surface of which is provided with a metal knob shell (11) and an annular electrode (12), the metal knob shell (11) and the annular electrode (12) being electrically connected to achieve a state where the human body and the annular electrode (12) are electrically connected by contact with the metal knob shell (11), the interior of the connection shell (1) being arranged in a hollow state, and a suction cup (7) being arranged therein, a driving mechanism for driving the suction cup (7) to move being arranged therein, and a magnetic suction block (14) being fixedly mounted at the bottom of the connection shell (1).
2. A glass surface passive knob according to claim 1, characterized in that: The magnetic attraction block (14) is configured as a ring structure.
3. The glass surface passive knob according to claim 1, characterized in that: The driving mechanism comprises a screw rod (3), the screw rod (3) being rotatably connected inside the connecting shell (1), the connecting shell (1) being slidably connected to two sliders (2), the screw rod (3) being provided with two sections of opposite threads with its midpoint as a dividing line, the two sliders (2) being respectively threadedly connected to the two ends of the screw rod (3), the bottom ends of the two sliders (2) being rotatably connected to connecting rods (5), the top of the suction cup (7) being fixedly mounted with a sliding rod (6), the sliding rod (6) being slidably connected to the connecting shell (1), and the ends of the two connecting rods (5) away from the sliding rods (2) being rotatably connected to the sliding rod (6).
4. The glass surface passive knob according to claim 3, characterized in that: The inner wall of the connecting shell (1) is provided with two vertical grooves (8), and the two ends of the sliding rod (6) are slidably connected to the connecting shell (1) via the two vertical grooves (8).
5. The glass surface passive knob according to claim 3, characterized in that: A sliding groove (10) is provided on the top wall of the connecting shell (1), and the two sliding blocks (2) are slidably connected to the connecting shell (1) via the sliding groove (10).
6. The glass surface passive knob according to claim 3, characterized in that: A connecting block (9) is fixedly mounted on the top wall of the connecting shell (1); the screw rod (3) rotates to penetrate the connecting block (9); and the screw rod (3) is rotatably connected to the connecting shell (1) via the connecting block (9).
7. The glass surface passive knob according to claim 6, characterized in that: A through hole is formed at the top of the connecting block (9), a rotating block (4) is fixedly mounted on the surface of the screw rod (3) relative to the middle position, the rotating block (4) is located inside the through hole, and the top of the rotating block (4) passes through the through hole so as to be able to be rotated by fingers.
8. The glass surface passive knob according to claim 1, characterized in that: The metal knob shell (11) controls the angle and direction of rotation through rotary encoder pulses.
9. The glass surface passive knob according to claim 1, characterized in that: An ADC interface (13) is provided on the surface of the connection shell (1).