CN215867799U - Key roller structure capable of automatically returning to center - Google Patents
Key roller structure capable of automatically returning to center Download PDFInfo
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- CN215867799U CN215867799U CN202122431192.XU CN202122431192U CN215867799U CN 215867799 U CN215867799 U CN 215867799U CN 202122431192 U CN202122431192 U CN 202122431192U CN 215867799 U CN215867799 U CN 215867799U
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- roller structure
- roller
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Abstract
The utility model discloses a key roller structure capable of automatically returning to the center, which comprises a control panel, wherein a fixed frame is arranged at the top of the control panel, a groove is formed in the top of the fixed frame, a roller is arranged in the groove, a fixed shaft is arranged at the center of the roller, a fixed box is fixedly connected to the left side of the top of the fixed frame, an electric element arranged on the fixed shaft is arranged in the fixed box, an electromagnet is arranged at the bottom of the electric element, a spring is connected between the bottom of the electric element and the bottom of the inner wall of the fixed box, a contact switch is arranged at the bottom of the inner wall of the fixed box, and a movable frame is arranged at the right side of the fixed frame. According to the utility model, the fixed shaft on the roller is butted with an electrical element, and meanwhile, through the arrangement of the contact switch and the spring, when the key roller is pressed, a circuit can be connected, so that the roller can play a role, and when the key roller is loosened, the spring is reset, so that the roller can automatically return to the middle position.
Description
Technical Field
The utility model relates to the technical field of key rollers, in particular to a key roller structure capable of automatically returning to the center.
Background
The mouse is a very common computer external device and is a very important coordinate indicator, and the key roller on the mouse is a very important part, and along with the development of the technology, certain requirements are provided for a key roller structure capable of automatically returning to the center;
the existing key roller structure capable of automatically returning to the center has the advantages that the whole structure of the existing key roller structure mostly needs an external power supply or can be normally used only by timing charging, and once the power supply is lost, the existing key roller structure cannot normally work, so that the use has certain limitation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a key roller structure capable of automatically returning to the center.
In order to achieve the purpose, the utility model adopts the following technical scheme: a key roller structure capable of automatically returning to center comprises a control panel, wherein a fixed frame is arranged at the top of the control panel, a groove is formed in the top of the fixed frame, a roller is arranged in the groove, a fixed shaft is arranged at the center of the roller, a fixed box is fixedly connected to the left side of the top of the fixed frame, an electric element arranged on the fixed shaft is arranged in the fixed box, an electromagnet is arranged at the bottom of the electric element, a spring is connected between the bottom of the electric element and the bottom of the inner wall of the fixed box, a contact switch is arranged at the bottom of the inner wall of the fixed box, a movable frame is arranged at the right side of the fixed frame, an inner cavity is arranged in the movable frame, a first gear is nested in the inner cavity at one end of the fixed shaft, a second gear is connected to the first gear in a meshing manner, and a third gear is arranged on the central shaft of the second gear, the third gear is connected with a fourth gear in a meshed mode, a generator set is arranged on the outer surface of the movable frame, a central shaft of the fourth gear is fixedly connected with the output end of the generator set, and a storage battery is arranged at the top of the control panel.
Furthermore, the electrical element, the contact switch and the control panel are electrically connected.
Furthermore, the electromagnet and the contact switch are positioned on the same vertical central line and are arranged in a mutually contact and matched mode.
Furthermore, a movable notch which is nested and in sliding fit with the fixed shaft is arranged on the right side of the inner wall of the groove.
Furthermore, the fixed shaft and the movable frame are connected to form a bearing, and the bearings are arranged at the positions where the two ends of the central shaft of the second gear are connected with the inner wall of the inner cavity.
Further, the third gear is a large-diameter gear, and the fourth gear is a small-diameter gear.
Furthermore, be electric connection between generating set and the battery, be electric connection between battery and the control panel.
Furthermore, the outer surface of the movable frame is fixedly connected with a limiting sliding block, and the outer surface of the fixed frame is provided with a limiting sliding groove which is in embedded sliding fit with the limiting sliding block.
Furthermore, the outer surface of the roller is provided with an anti-skid bump.
Furthermore, the electric appliance element and the inner wall of the fixed box are in nested sliding arrangement.
The utility model has the beneficial effects that:
this button gyro wheel structure that can return automatically, dock with electrical components through fixed axle on the gyro wheel, simultaneously through the setting of contact switch and spring, can be when pressing the button gyro wheel, can make the circuit switch-on, thereby can make the gyro wheel play a role, when loosening, the spring resets and can make the gyro wheel return automatically, easy operation is convenient, gear structure and generating set through the setting simultaneously, can be when the gyro wheel rolls, automatic electricity generation carries out the electric power and stores work, and can supply with the electric energy of storing again and control the operation for the control panel, whole structural connection is stable, and the operation is simple and convenient, energy-concerving and environment-protective, wide adaptability, the limitation is little, need not the control panel and need connect electricity repeatedly or charge.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is a side view of the gear structure of the present invention.
Illustration of the drawings:
1. a control panel; 2. a fixed mount; 3. a groove; 4. a roller; 5. a fixed shaft; 6. a fixing box; 7. an electrical component; 8. an electromagnet; 9. a contact switch; 10. a spring; 11. a movable notch; 12. a movable frame; 13. an inner cavity; 14. a first gear; 15. a second gear; 16. a third gear; 17. a fourth gear; 18. a generator set; 19. a storage battery; 20. a limiting slide block; 21. and a limiting sliding groove.
Detailed Description
Fig. 1 to 3 show that, a key roller structure capable of automatically returning to center is provided, which includes a control panel 1, a fixing frame 2 is provided at the top of the control panel 1, a groove 3 is provided at the top of the fixing frame 2, a roller 4 is provided in the groove 3, a fixing shaft 5 is provided at the center of the roller 4, a fixing box 6 is fixedly connected at the left side position of the top of the fixing frame 2, an electrical component 7 mounted on the fixing shaft 5 is provided in the fixing box 6, an electromagnet 8 is provided at the bottom of the electrical component 7, a spring 10 is connected between the bottom of the electrical component 7 and the bottom of the inner wall of the fixing box 6, a contact switch 9 is provided at the bottom position of the inner wall of the fixing box 6, a movable frame 12 is provided at the right side position of the fixing frame 2, an inner cavity 13 is provided in the movable frame 12, a first gear 14 is nested in one end of the fixing shaft 5 and located in the inner cavity 13, the utility model discloses a motor generator set, including first gear 14, second gear 15, third gear 16, fourth gear 17, the surface of adjustable shelf 12 is provided with generating set 18, fourth gear 17's center pin and generating set 18's output end fixed connection, the top of control panel 1 is provided with battery 19.
When the key roller structure capable of automatically returning to the center is used, the roller 4 is pressed, the fixed shaft 5 on the roller 4 drives the electrical component 7 to descend, the electrical component 7 drives the electromagnet 8 to contact with the contact switch 9 while compressing the spring 10, so that a circuit is switched on, the rolling key roller 4 can be normally used, when the spring 10 is loosened, the key roller 4 can automatically return to the center, when the rolling roller 4 is rolled, the roller 4 drives the fixed shaft 5 to rotate, the fixed shaft 5 drives the first gear 14 to rotate, the first gear 14 drives the second gear 15 to rotate, the second gear 15 drives the third gear 16 to rotate, the third gear 16 drives the fourth gear 17 to rotate, the fourth gear 17 drives the generator set 18 to rotate to generate electricity, the generated electricity is conveyed into the storage battery 19 to be stored, the storage battery 19 can supply electricity to the control panel 1, so that the whole structure can be stably operated and used, repeated power connection or charging is not needed, and the energy-saving and environment-friendly effects are achieved.
In a further scheme, the electric appliance element 7, the contact switch 9 and the control panel 1 are electrically connected, and the structure of the roller 4 can be stably used through the structure.
In a further scheme, the electromagnet 8 and the contact switch 9 are positioned on the same vertical central line and are arranged in a mutually contact and matched mode, the structure of the roller 4 can be guaranteed to be stably used through the structural arrangement, and the function of page turning sliding is achieved.
In a further scheme, a movable notch 11 which is embedded and matched with the fixed shaft 5 in a sliding mode is arranged on the right side of the inner wall of the groove 3, and the structure has a stable operation space when the roller 4 is pressed through the arrangement of the movable notch 11.
In a further scheme, a bearing is arranged at the connecting position of the fixed shaft 5 and the movable frame 12, the bearings are arranged at the connecting positions of the two ends of the central shaft of the second gear 15 and the inner wall of the inner cavity 13, and the stable operation of the whole gear structure can be ensured through the structural arrangement.
In a further aspect, the third gear 16 is a large-diameter gear, the fourth gear 17 is a small-diameter gear, and the power generation efficiency can be effectively improved by setting the large diameter and the small diameter of the third gear 16 and the fourth gear 17.
In the further scheme, be electric connection between generating set 18 and the battery 19, be electric connection between battery 19 and the control panel 1, can be when rolling gyro wheel 4 through the setting of structure, drive generating set 18 through the cooperation of gear structure and generate electricity to in storing battery 19 with the electric energy, conveniently carry out recycle.
In a further scheme, the outer surface of the movable frame 12 is fixedly connected with a limiting sliding block 20, the outer surface of the fixed frame 2 is provided with a limiting sliding groove 21 which is in embedded sliding fit with the limiting sliding block 20, the movable frame 12 can be guaranteed to be stably matched with the key roller 4 for use through structural arrangement, and the stability of the structure during operation is guaranteed.
In a further scheme, the outer surface of the roller 4 is provided with an anti-skid bump, and the arrangement of the anti-skid bump can ensure that the roller 4 can play a good anti-skid effect when in use.
In a further scheme, the electrical element 7 and the inner wall of the fixing box 6 are arranged in a nested sliding mode, and the electrical element 7 can be stably lifted up and down through the arrangement of the structure when the roller 4 is pressed, so that the structure of the key roller 4 can be stably operated.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a button gyro wheel structure that can go back automatically, includes control panel (1), its characterized in that: the top of the control panel (1) is provided with a fixing frame (2), the top of the fixing frame (2) is provided with a groove (3), a roller (4) is arranged in the groove (3), a fixing shaft (5) is arranged at the center of the roller (4), a fixing box (6) is fixedly connected to the left side of the top of the fixing frame (2), an electrical component (7) arranged on the fixing shaft (5) is arranged in the fixing box (6), an electromagnet (8) is arranged at the bottom of the electrical component (7), a spring (10) is connected between the bottom of the electrical component (7) and the bottom of the inner wall of the fixing box (6), a contact switch (9) is arranged at the bottom of the inner wall of the fixing box (6), a movable frame (12) is arranged at the right side of the fixing frame (2), and an inner cavity (13) is arranged in the movable frame (12), one end of fixed axle (5) just is located inner chamber (13) nestification and has first gear (14), meshing is connected with second gear (15) on first gear (14), be provided with third gear (16) on the center pin of second gear (15), meshing is connected with fourth gear (17) on third gear (16), the surface of adjustable shelf (12) is provided with generating set (18), the center pin of fourth gear (17) and the output of generating set (18) are held fixed connection, the top of control panel (1) is provided with battery (19).
2. The key roller structure capable of automatically centering according to claim 1, wherein: the electrical element (7), the contact switch (9) and the control panel (1) are electrically connected.
3. The key roller structure capable of automatically centering according to claim 1, wherein: the electromagnet (8) and the contact switch (9) are positioned on the same vertical center line and are arranged in a mutually contact and matched mode.
4. The key roller structure capable of automatically centering according to claim 1, wherein: the right side of the inner wall of the groove (3) is provided with a movable notch (11) which is embedded and matched with the fixed shaft (5) in a sliding way.
5. The key roller structure capable of automatically centering according to claim 1, wherein: the bearing is arranged at the connecting position of the fixed shaft (5) and the movable frame (12), and the bearing is arranged at the connecting position of the two ends of the central shaft of the second gear (15) and the inner wall of the inner cavity (13).
6. The key roller structure capable of automatically centering according to claim 1, wherein: the third gear (16) is a large-diameter gear, and the fourth gear (17) is a small-diameter gear.
7. The key roller structure capable of automatically centering according to claim 1, wherein: the generator set (18) is electrically connected with the storage battery (19), and the storage battery (19) is electrically connected with the control panel (1).
8. The key roller structure capable of automatically centering according to claim 1, wherein: the outer surface of the movable frame (12) is fixedly connected with a limiting sliding block (20), and the outer surface of the fixed frame (2) is provided with a limiting sliding groove (21) which is embedded with the limiting sliding block (20) in a sliding fit manner.
9. The key roller structure capable of automatically centering according to claim 1, wherein: and the outer surface of the roller (4) is provided with an anti-skid lug.
10. The key roller structure capable of automatically centering according to claim 1, wherein: the electric appliance element (7) and the inner wall of the fixed box (6) are arranged in a nested sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122431192.XU CN215867799U (en) | 2021-10-09 | 2021-10-09 | Key roller structure capable of automatically returning to center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122431192.XU CN215867799U (en) | 2021-10-09 | 2021-10-09 | Key roller structure capable of automatically returning to center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215867799U true CN215867799U (en) | 2022-02-18 |
Family
ID=80259150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122431192.XU Active CN215867799U (en) | 2021-10-09 | 2021-10-09 | Key roller structure capable of automatically returning to center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215867799U (en) |
-
2021
- 2021-10-09 CN CN202122431192.XU patent/CN215867799U/en active Active
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