VR keyboard
The knob and gear mechanism cooperate with the sliding bracket to simplify the adjustment of the VR keyboard image position, solve the problem of cumbersome laser projector position adjustment in the existing technology, and realize convenient projection angle and height adjustment.
Patent Information
- Application Number
- CN202422690403.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-11-05
AI Technical Summary
When adjusting the image position of an existing VR keyboard, the fixed position of the laser projector needs to be constantly adjusted, resulting in a cumbersome adjustment process.
The structural design includes a laser projector, a VR keyboard and a support plate. The deflection and height adjustment of the laser projector are achieved through a knob and gear mechanism. Combined with the cooperation of the sliding bracket and the guide rod, the position and angle adjustment are simplified.
The projection angle and height of the laser projector can be easily adjusted, simplifying the process of adjusting the VR keyboard image position.
Smart Images

Figure CN223362596U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of VR technology, and specifically relates to a VR keyboard. Background Art
[0002] A VR keyboard is an input device used in a virtual reality (VR) environment that allows users to input text in a virtual space. When used on PADs and smartphones, the VR keyboard can facilitate email sending and receiving, word processing, and spreadsheet creation. The VR keyboard's applicability technology studies the user's finger movements and decodes and records keyboard strokes.
[0003] A VR keyboard is an image formed by light projection. A laser projector can be used to project the desired keyboard template onto an adjacent interface surface. In order to ensure that the projected VR keyboard image is in a stable state, the laser projector is usually fixed on a stable desktop. When the position of the VR keyboard image needs to be adjusted, only the fixed position of the laser projector can be adjusted. It is necessary to constantly try to fix the laser projector in different positions to obtain the desired VR keyboard position. The adjustment process is relatively cumbersome. In view of this, a VR keyboard is specially proposed in the present invention to solve the above problems. Utility Model Content
[0004] In order to solve the problem that when the position of the VR keyboard image needs to be adjusted, only the fixed position of the laser projector can be adjusted, and the laser projector needs to be repeatedly fixed in different positions to obtain the desired VR keyboard position, which is a cumbersome adjustment process, the basic concept of the technical solution adopted by the utility model is:
[0005] A VR keyboard comprises a laser projector, a VR keyboard and a support plate, wherein a mounting frame with a door-shaped structure is provided on the top of the support plate, the laser projector is rotatably mounted on the mounting frame, a mounting rod is rotatably mounted on the left side of the mounting frame, one end of the mounting rod is fixedly connected to the left outer wall of the laser projector, a through hole is provided on the right side of the mounting frame, and a rotating shaft is rotatably mounted on the inner side of the through hole, one end of the rotating shaft is fixedly connected to the right outer wall of the laser projector, a shaft is rotatably mounted on the right outer wall of the mounting frame, a first gear is fixedly connected to the outer wall of the shaft, a mounting shell is fixedly connected to the right outer wall of the mounting frame, one end of the rotating shaft extending to the inner side of the mounting shell is fixedly connected to the second gear, the first gear and the second gear are meshed with each other, a first knob is fixedly connected to the end position of the shaft, and the shaft, the first gear and the second gear are all located on the inner side of the mounting shell.
[0006] As a preferred embodiment of the present invention, an inspection plate is installed on the right side of the mounting shell by bolts, a movable hole is opened on the inspection plate, the shaft is located inside the movable hole, and the diameter of the movable hole is larger than the diameter of the first knob.
[0007] As a preferred embodiment of the present invention, symmetrically arranged support rods are fixedly connected to both sides of the top of the support plate, symmetrically arranged circular grooves are opened on both sides of the bottom of the mounting frame, and the support rods are slidably connected to the inner walls of the circular grooves.
[0008] As a preferred embodiment of the present invention, a sliding bracket is slidably provided on the top of the support plate, and a guide rod is hingedly provided on the sliding bracket.
[0009] As a preferred embodiment of the present invention, a connecting frame is fixedly mounted on the outer wall of the middle portion of the bottom of the mounting frame, and the top end of the guide rod is hingedly mounted on the connecting frame.
[0010] As a preferred embodiment of the present invention, a movable groove is provided on the top of the support plate, a guide block is slidably provided on the inner wall of the movable groove, and the sliding bracket is fixedly connected to the outer wall of the top of the guide block.
[0011] As a preferred embodiment of the present invention, a threaded rod is rotatably installed on the inner wall of one side of the movable groove, a threaded hole is opened on the guide block, and the threaded rod is screwed on the inner wall of the threaded hole, and a second knob is fixedly connected to the end position of the threaded rod.
[0012] Compared with the prior art, the present invention has the following beneficial effects:
[0013] The utility model fixes the support plate on a stable table top. After the support plate is placed stably, the laser projector is turned on so that the VR keyboard image projected by the laser projector can be presented on the table top. When the position of the VR keyboard image needs to be adjusted, the first knob is turned to make the first knob drive the shaft to rotate, the shaft drives the first gear to rotate, the first gear drives the second gear to rotate, and the second gear drives the rotating shaft to rotate. The mounting rod is provided so that the rotating shaft can drive the laser projector to deflect, which is convenient for adjusting the projection angle of the laser projector, thereby facilitating people to properly adjust the image position of the VR keyboard.
[0014] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In the attached figure:
[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the structure of the laser projector of the present utility model;
[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the mounting frame and mounting housing of the utility model;
[0019] Figure 4 This is a schematic diagram of the cross-sectional structure of the support plate and mounting frame of the utility model.
[0020] In the figure: 1. Laser projector; 2. VR keyboard; 3. Support plate; 4. Mounting frame; 5. Mounting shell; 6. Support rod; 7. Sliding bracket; 8. Guide rod; 9. Connecting frame; 10. Movable slot; 11. Threaded rod; 12. Mounting rod; 13. Inspection panel; 14. Shaft; 15. First knob; 16. Second knob; 17. Circular slot; 18. Rotating shaft; 19. First gear; 20. Second gear; 21. Movable hole; 22. Guide block. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention.
[0022] like Figures 1 to 4 shown
[0023] A VR keyboard comprises a laser projector 1, a VR keyboard 2 and a support plate 3. The support plate 3 is fixedly placed on a stable desktop. After being placed stably, the laser projector 1 is turned on to work so that the image of the VR keyboard 2 projected by the laser projector 1 can be presented on the desktop. A mounting frame 4 with a door-shaped structure is provided on the top of the support plate 3. The laser projector 1 is rotatably mounted on the mounting frame 4. A mounting rod 12 is rotatably mounted on the left side of the mounting frame 4. One end of the mounting rod 12 is fixedly connected to the left outer wall of the laser projector 1. A through hole is provided on the right side of the mounting frame 4, and a rotating shaft 18 is rotatably mounted on the inner side of the through hole. One end of the rotating shaft 18 is fixedly connected to the right outer wall of the laser projector 1. A shaft 14 is rotatably mounted on the right outer wall of the mounting frame 4. A first gear 19 is fixedly connected to the outer wall of the shaft 14. A mounting shell 5 is fixedly connected to the right outer wall of the mounting frame 4. The rotating shaft 18 extends to one end inside the mounting shell 5 and is fixed. The second gear 20 is fixedly connected, the first gear 19 and the second gear 20 are meshed with each other, and the end position of the shaft 14 is fixedly connected to the first knob 15. When the position of the image of the VR keyboard 2 needs to be adjusted, the first knob 15 is rotated, so that the first knob 15 drives the shaft 14 to rotate, the shaft 14 drives the first gear 19 to rotate, the first gear 19 drives the second gear 20 to rotate, and the second gear 20 drives the rotating shaft 18 to rotate. The mounting rod 12 is provided in conjunction with the rotating shaft 18, so that the rotating shaft 18 can drive the laser projector 1 to deflect, so as to facilitate the adjustment of the projection angle of the laser projector 1. The shaft 14, the first gear 19 and the second gear 20 are all located on the inner side of the mounting shell 5. An access plate 13 is installed on the right side of the mounting shell 5 by bolts. A movable hole 21 is opened on the access plate 13. The shaft 14 is located inside the movable hole 21. The diameter of the movable hole 21 is larger than the diameter of the first knob 15.
[0024] In a specific embodiment, both sides of the top of the support plate 3 are fixedly connected to symmetrically arranged support rods 6, and both sides of the bottom of the mounting frame 4 are provided with symmetrically arranged circular grooves 17, and the support rods 6 are slidably connected to the inner wall of the circular groove 17, and a sliding bracket 7 is slidably provided on the top of the support plate 3, and a guide rod 8 is hingedly provided on the sliding bracket 7. A connecting frame 9 is fixedly installed on the outer wall of the middle bottom of the mounting frame 4, and the top of the guide rod 8 is hingedly provided on the connecting frame 9. A movable groove 10 is provided on the top of the support plate 3, and a guide block 22 is slidably provided on the inner wall of the movable groove 10. The sliding bracket 7 is fixedly connected to the outer wall of the top of the guide block 22, and the inner wall of one side of the movable groove 10 rotates A threaded rod 11 is dynamically installed, a threaded hole is provided on the guide block 22, and the threaded rod 11 is screwed on the inner wall of the threaded hole. A second knob 16 is fixedly connected to the end position of the threaded rod 11. The second knob 16 is rotated to drive the threaded rod 11 to rotate. The threaded rod 11 cooperates with the movable groove 10 to drive the guide block 22 to move horizontally, and the guide block 22 drives the sliding bracket 7 to move horizontally. The sliding bracket 7 cooperates with the connecting frame 9 to change the inclination angle of the guide rod 8. When the inclination angle of the guide rod 8 changes, it can drive the mounting bracket 4 to move vertically, which is convenient for adjusting the height of the laser projector 1.
[0025] The implementation principle of a VR keyboard in this embodiment is as follows:
[0026] When in use, the support plate 3 is fixedly placed on a stable desktop. After it is placed stably, the laser projector 1 is turned on to work, so that the image of the VR keyboard 2 projected by the laser projector 1 can be presented on the desktop. When the position of the VR keyboard 2 image needs to be adjusted, the first knob 15 is turned, so that the first knob 15 drives the shaft 14 to rotate, the shaft 14 drives the first gear 19 to rotate, the first gear 19 drives the second gear 20 to rotate, and the second gear 20 drives the rotating shaft 18 to rotate, and the mounting rod 12 is provided so that the rotating shaft 18 can drive the laser projector 1 to deflect, which is convenient for adjusting the laser projection. The projection angle of the laser projector 1 is adjusted, and then the second knob 16 is turned, so that the second knob 16 drives the threaded rod 11 to rotate, and the threaded rod 11 cooperates with the movable groove 10 to drive the guide block 22 to move horizontally, and the guide block 22 drives the sliding bracket 7 to move horizontally, and the sliding bracket 7 cooperates with the connecting frame 9 to change the inclination angle of the guide rod 8. When the inclination angle of the guide rod 8 changes, it can drive the mounting bracket 4 to move vertically, which is convenient for adjusting the height of the laser projector 1. In conjunction with the adjustment of the projection angle of the laser projector 1, it is convenient for people to properly adjust the image position of the VR keyboard 2.
Claims
1. A VR keyboard, comprising a laser projector (1), a VR keyboard (2) and a support plate (3), characterized in that: A mounting frame (4) with a door-shaped structure is provided on the top of the support plate (3), and the laser projector (1) is rotatably mounted on the mounting frame (4). A mounting rod (12) is rotatably mounted on the left side of the mounting frame (4), and one end of the mounting rod (12) is fixedly connected to the left outer wall of the laser projector (1). A through hole is provided on the right side of the mounting frame (4), and a rotating shaft (18) is rotatably mounted inside the through hole. One end of the rotating shaft (18) is fixedly connected to the right outer wall of the laser projector (1). The right outer wall of the mounting frame (4) is rotatably mounted. A shaft (14), the outer wall of the shaft (14) is fixedly connected to a first gear (19), the right outer wall of the mounting frame (4) is fixedly connected to a mounting shell (5), one end of the rotating shaft (18) extending to the inner side of the mounting shell (5) is fixedly connected to a second gear (20), the first gear (19) and the second gear (20) are meshed with each other, the end position of the shaft (14) is fixedly connected to a first knob (15), and the shaft (14), the first gear (19) and the second gear (20) are all located inside the mounting shell (5).
2. A VR keyboard according to claim 1, characterized in that: An inspection plate (13) is mounted on the right side of the mounting housing (5) via bolts. A movable hole (21) is formed on the inspection plate (13). The shaft (14) is located inside the movable hole (21). The diameter of the movable hole (21) is larger than the diameter of the first knob (15).
3. The VR keyboard according to claim 1, wherein: Both sides of the top of the support plate (3) are fixedly connected to symmetrically arranged support rods (6), and both sides of the bottom of the mounting frame (4) are provided with symmetrically arranged circular grooves (17), and the support rods (6) are slidably connected to the inner walls of the circular grooves (17).
4. The VR keyboard according to claim 1, wherein: A sliding bracket (7) is slidably provided on the top of the support plate (3), and a guide rod (8) is hingedly provided on the sliding bracket (7).
5. A VR keyboard according to claim 4, characterized in that: A connecting frame (9) is fixedly mounted on the outer wall of the middle portion of the bottom of the mounting frame (4), and the top end of the guide rod (8) is hingedly mounted on the connecting frame (9).
6. The VR keyboard according to claim 4, characterized in that: A movable groove (10) is provided on the top of the support plate (3), a guide block (22) is slidably provided on the inner wall of the movable groove (10), and the sliding bracket (7) is fixedly connected to the outer wall of the top of the guide block (22).
7. The VR keyboard according to claim 6, characterized in that: A threaded rod (11) is rotatably mounted on the inner wall of one side of the movable groove (10), a threaded hole is provided on the guide block (22), and the threaded rod (11) is screwed onto the inner wall of the threaded hole, and a second knob (16) is fixedly connected to the end of the threaded rod (11).