Mouse wheel mechanism

Abstract

The utility model provides a mouse roller mechanism which comprises a roller base and a roller body, the roller base is provided with a shaft hole, and a plurality of bearings are arranged at different positions in the shaft hole; the center of the roller body is provided with a rotating shaft extending outwards, the rotating shaft is arranged in the multiple bearings so that the roller body can rotate on the outer side of the roller base, in addition, the rotating shaft can move in the bearings in a short distance in the axial direction, and the roller body can move to a first position and a second position. A mechanical pressure tracking structure is arranged between the roller body and the roller base, the first position is in a flywheel mode, the roller body can rotate freely by shifting the roller body, the second position is in a shifting mode, the roller body rotates intermittently by shifting the roller body, and the requirement for switching to different operation modes is met by moving the roller body.

Description

Technical Field

[0001] This utility model relates to a technical field of mice, and more particularly to a mouse scroll wheel mechanism. Background Technology

[0002] A mouse is used to control the cursor on the screen and perform corresponding operations with the computer. In addition to the basic left and right buttons for input, some mice also have a scroll wheel for auxiliary control. Scrolling the wheel allows for quick web browsing or assists with cursor operation. To increase the accuracy of the scroll wheel, these mice usually have a mechanical spring inside that creates resistance, producing an intermittent, varying gear-like feel when the wheel rotates; this is called the flicking mode. Some users prefer faster web browsing, so their mice have an added release mechanism. When released, the scroll wheel can be rotated quickly, such as a large angle rotation or more than one full rotation; this is called the flywheel mode. However, the above release mechanism usually involves an internal electronic component and mechanical linkage to drive the mechanical spring out of its original locking position, thus achieving the purpose of switching between different operating modes. Therefore, during operation, the finger must first move to the trigger button, and after touching it, the finger must return to the scroll wheel to continue operating in different modes. This method is not very convenient for the operator. Therefore, this utility model seeks to design a mechanism to solve this problem. Utility Model Content

[0003] The main purpose of this utility model is to provide a mouse scroll wheel mechanism, specifically a mechanism that allows the scroll wheel to be moved axially to switch between a toggle mode and a flywheel mode, thus enabling the operator to switch modes simply by touching the scroll wheel with their finger.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] This utility model relates to a mouse scroll wheel mechanism, comprising: a scroll wheel base and a scroll wheel body. The scroll wheel base has a shaft hole, and multiple bearings are disposed at different positions within the shaft hole. The scroll wheel body has a centrally located outwardly extending shaft, which is disposed among the multiple bearings, allowing the scroll wheel body to rotate outside the scroll wheel base. Furthermore, the shaft can also move a short distance axially within the bearings, moving the scroll wheel body to a first position and a second position. Additionally, the scroll wheel body faces the scroll wheel base... The inner wall of the base is provided with an annular member, the outwardly protruding end face of which is an annular wavy surface. The roller base has a second sidewall facing the roller body, and a movable elastic top member is provided on the second sidewall. When the roller body is in the first position, the elastic top member will not contact the annular wavy surface, and the roller body can rotate freely when it is turned. When the roller body is in the second position, the elastic top member will contact the annular wavy surface, and turning the roller body will produce an intermittent gear feel of varying strength.

[0006] In one of the preferred embodiments, the roller base is fixed on a carrier, allowing the roller body to rotate in mid-air.

[0007] In one of the preferred embodiments, the roller base has a first sidewall in the direction away from the roller body, the shaft hole has an outlet in the first sidewall, and a deformable and movable metal elastic baffle is provided on the first sidewall. One end of the metal elastic baffle is fixed to the roller base, and the other end can be moved to block or move away from the outlet. In addition, the rotating shaft can be moved to extend out of the outlet and push open the metal elastic baffle.

[0008] As one of the preferred embodiments, the first position is the position where the roller body is furthest from the roller base in the axial direction, and in this state the metal elastic baffle completely blocks the hole outlet.

[0009] As one of the preferred embodiments, the shaft hole includes a first hole section, a second hole section, and a hole outlet connected together. The second hole section has a diameter larger than that of the first hole section and the hole outlet. A plurality of bearings are respectively located in the first hole section and the second hole section. In addition, a stop block is fixed to the shaft wall. The diameter of the stop block is between the diameter of the first hole section and the diameter of the second hole section, so that the stop block is restricted to moving only within the second hole section, thereby limiting the axial movement distance of the shaft.

[0010] As one of the preferred embodiments, a magnet is embedded in the first sidewall. The magnet is positioned near the hole outlet. When the magnet magnetically attracts the metal elastic baffle, the metal elastic baffle completely blocks the hole outlet and temporarily prevents the rotating shaft from extending out of the hole outlet.

[0011] In one of the preferred embodiments, the position of the annular wave surface corresponds to the elastic top member, which is connected to the second side wall by an arc-shaped cantilever extending from itself. The elasticity of the arc-shaped cantilever, which can bend and deform, is used to maintain the tightness of the contact between the elastic top member and the annular wave surface, without affecting the rotation of the roller body.

[0012] As one of the preferred embodiments, the roller body has a magnetic conductor on the inner wall facing the roller base, and a magnet is embedded in the second side wall. The magnetic attraction force generated by the magnet on the magnetic conductor maintains the roller body in the second position, and the magnet faces the magnetic conductor in a non-contact state.

[0013] As one of the preferred embodiments, the magnet is positioned symmetrically to the center of the rotating shaft and is a single-pole magnet, with its position and polarity facing the magnetic conductor.

[0014] As one of the preferred embodiments, the roller body is formed by the mating of a first housing and a second housing, and the roller base is partially covered therein. The magnetic conductive element is annular and disposed on the inner wall of the first housing.

[0015] Compared with the prior art, the mouse scroll wheel mechanism of this utility model adopts a different switching method. Normally, the operator can control the mouse by touching the scroll wheel body to rotate. When switching, the operator can push the scroll wheel body to move axially with their finger. This allows for quick switching between toggle mode and flywheel mode, making mouse operation easier and faster. Attached Figure Description

[0016] Figure 1 This is a perspective view of the present utility model;

[0017] Figure 2 This is a cross-sectional view of the roller body moving to the first position according to the present invention;

[0018] Figure 3 This is a top view of the roller body moving to the first position according to the present invention;

[0019] Figure 4 This is a cross-sectional view of the roller body moving to the second position according to the present invention;

[0020] Figure 5 This is a top view of the roller body moving to the second position according to the present invention;

[0021] Figure 6 This is an exploded view of some components of this utility model;

[0022] Figure 7 This is an exploded view of the roller body and roller base of this utility model.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1: Roller base;

[0025] 10: Bearings;

[0026] 11: Fasteners;

[0027] 12: Shaft hole;

[0028] 121: First borehole section;

[0029] 122: Second borehole section;

[0030] 123: Hole outlet;

[0031] 13: First sidewall;

[0032] 14: Metal elastic baffle;

[0033] 15: Magnet;

[0034] 16: Second sidewall;

[0035] 17: Elastic top component;

[0036] 171: Arc-shaped cantilever;

[0037] 19: Magnetic components;

[0038] 2: Roller body;

[0039] 21: Shaft;

[0040] 211: Stop;

[0041] 22: Ring-shaped component;

[0042] 221: Circular wavy surface;

[0043] 23: Magnetic conductive component;

[0044] 24: Grating wheel;

[0045] 25: First shell;

[0046] 26: Second shell;

[0047] 3: Carrier;

[0048] 31: Bump;

[0049] m: axial spacing;

[0050] F1: Magnetic attraction;

[0051] F2: Thrust;

[0052] F3: Magnetic attraction;

[0053] F4: Elastic restoring force. Detailed Implementation

[0054] The technical solution of this utility model will now be clearly and completely described in conjunction with specific embodiments and accompanying drawings. It should be noted that when a component is referred to as being "mounted to or fixed to" another component, it means that it can be directly on the other component or that an intermediate component may be present. When a component is considered to be "connected to" another component, it means that it can be directly connected to the other component or that an intermediate component may be present simultaneously. In the illustrated embodiments, directions such as up, down, left, right, front, and back are relative and are used to explain the relative structure and movement of different components in this invention. These representations are appropriate when the components are in the positions shown in the figures. However, if the description of the component positions changes, then these representations are also considered to change accordingly.

[0055] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0056] like Figure 1 and Figure 2 The figures shown are perspective and cross-sectional views of the mouse scroll wheel mechanism of this utility model. The mouse scroll wheel mechanism of this utility model includes a scroll wheel base 1 and a scroll wheel body 2. The scroll wheel base 1 has multiple bearings 10 arranged along a central line inside. A rotating shaft 21 extends outward from the center of the scroll wheel body 2, and the rotating shaft 21 is disposed among the multiple bearings 10, allowing the scroll wheel body 2 to rotate outside the scroll wheel base 1. In this embodiment, the scroll wheel body 2 is arranged in a ring shape outside a local area of ​​the scroll wheel base 1, without hindering the rotation of the scroll wheel body 2. Furthermore, the rotating shaft 21 can move a short distance along the axial direction within the bearing 10, allowing the roller body 2 to move to a first position and a second position. The roller body 2 has an annular member 22 on its inner wall facing the roller base 1. The outwardly protruding end face of the annular member 22 is an annular wavy surface 221. The roller base 1 has a second sidewall 16 facing the roller body 2, and an elastic top member 17 with elasticity and mobility is provided on the second sidewall 16. Figure 2 and Figure 3As shown, the first position is the furthest position of the roller body 2 axially from the roller base 1, and the axial distance m between the second side wall 16 of the roller body 2 and the roller base 1 is at its maximum value. In this state, the elastic top member 17 and the annular wave surface 221 are not in contact. When the operator touches the roller body 2, the roller body 2 can rotate freely, for example, rotating at a large angle or rotating multiple times at once. This is defined as the flywheel mode. Figure 4 and Figure 5 The second position is the closest axial distance between the roller body 2 and the roller base 1, where the axial distance m between the second sidewall 16 of the roller body 2 and the roller base 1 is at its minimum. At this position, the elastic top member 17 will contact the annular wave surface 221. When the operator moves the roller body 2, the elastic top member 17 will reciprocate along the annular wave surface 221, creating an intermittent gear-like sensation. This is defined as the moving mode. This invention achieves the purpose of switching to different operating modes by moving the roller body 2 axially.

[0057] Next, a detailed explanation of the structure of each component will be given:

[0058] like Figure 1 and Figure 6 As shown, the scroll wheel base 1 of this utility model can be fixed on a carrier 3, allowing the scroll wheel body 2 to rotate in mid-air when touched. The carrier 3 is a support structure installed and fixed inside the mouse. This structure can be of various different types as needed and is not limited to the shape shown in the figure. In addition, for ease of assembly, in this embodiment, the outer wall of the carrier 3 has multiple positioning protrusions 31 at the corresponding positions of the scroll wheel base 1, and the scroll wheel base 1 has multiple fasteners 11 at the corresponding positions. When the scroll wheel base 1 is placed on the carrier 3, it will be fastened to the positioning protrusions 31 by the fasteners 11, thus quickly fixing the scroll wheel base 1 and the carrier 3 together.

[0059] Please refer to the following: Figure 2 and Figure 3As shown, this section will describe how the roller body 2 rotates freely when it moves to the first position. The roller base 1 is provided with a shaft hole 12 that extends laterally through the roller base 1. Multiple bearings 10 are disposed in different positions within the shaft hole 12, thus limiting the axial movement distance of the rotating shaft 21. In this embodiment, the shaft hole 12 includes at least a first hole section 121, a second hole section 122, and a hole outlet 123 connected together. The second hole section 122 has a diameter larger than that of the first hole section 121 and the hole outlet 123. A plurality of bearings 10 are respectively located in the first hole section 121 and the second hole section 122. Additionally, a stop block 211 is provided on the shaft wall of the rotating shaft 21. In this embodiment, the stop block 211 is spherically shaped, and its diameter is between the diameter of the first hole section 121 and the diameter of the second hole section 122, thus restricting the stop block 211 to move only within the second hole section 122. Therefore, the axial movement distance of the rotating shaft 21 is limited. Figure 2 When the stop block 211 moves to the leftmost position within the second hole section 122, it is the first position of the roller body 2. When the stop block 211 moves to the rightmost position within the second hole section 122 and contacts the bearing 10, it is the second position of the roller body 2.

[0060] In addition, to form a multi-segment shaft hole 12 in the roller base 1, in this embodiment, the roller base 1 is assembled from at least two components. The roller base 1 has a first sidewall 13 in the direction away from the roller body 2, and the hole outlet 123 is connected to the first sidewall 13. Furthermore, a partially deformable and movable metal elastic baffle 14 is provided on the first sidewall 13. One end of the metal elastic baffle 14 is fixed to the roller base 1, and the other end can be moved to block or move away from the hole outlet 123. In the flywheel mode of the first position, the metal elastic baffle 14 completely blocks the hole outlet 123, and the stop block 211 is adjacent to the first hole segment 121, thus allowing the roller body 2 to rotate freely. Figure 4 and Figure 5 As shown, in the second position of the toggle mode, the rotating shaft 21 can be moved to extend out of the hole outlet 123 and push open the metal elastic baffle 14.

[0061] To increase the blocking force of the metal elastic baffle 14 when it covers the outlet 123, a magnet 15 is embedded in the first sidewall 13. The magnet 15 is positioned adjacent to the outlet 123. In this embodiment, the magnet 15 is annular, and the outlet 123 is located in the hollow area in the center of the magnet 15. Therefore, when the magnet 15 magnetically attracts the metal elastic baffle 14, the metal elastic baffle 14 can completely cover the outlet 123 and temporarily prevent the rotating shaft 21 from extending out of the outlet 123, which is beneficial for flywheel mode operation.

[0062] Next, the structure and operation of the toggle mode will be explained, such as... Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown:

[0063] The annular member 22 is located on the inner wall of the roller body 2 facing the roller base 1. The annular member 22 protrudes axially from the inner wall and the protruding end face is the annular wave surface 221. The position of the annular wave surface 221 must correspond to the elastic top member 17. The elastic top member 17 is a component that can move slightly and automatically reset using elastic energy. In this embodiment, the elastic top member 17 is connected to one end of the second side wall 16 by an arc-shaped cantilever 171 extending from itself. Specifically, the position is on the outer circumference of the second side wall 16. The elasticity of the arc-shaped cantilever 171, which can be bent and deformed, maintains the tightness of the contact state between the elastic top member 17 and the annular wave surface 221. Therefore, it does not affect the rotation of the roller body 2, and can produce an intermittent gear feel when rotating.

[0064] The roller body 2 has a magnetic conductor 23 on its inner wall facing the roller base 1. In this embodiment, the magnetic conductor 23 is an annular metal sheet. A magnet 19 is embedded in the second side wall 16. The magnet 19 is positioned symmetrically to the center of the rotating shaft 21 and is a single-pole magnet. Its position and polarity are facing the magnetic conductor 23. The magnetic force generated by the magnet 19 on the magnetic conductor 23 is used to maintain the roller body 2 in the second position. The magnet 19 faces the magnetic conductor 23 in a non-contact state so as not to hinder the rotation of the roller body 2.

[0065] When the roller body 2 is in the second position, such as Figure 4 and Figure 6 As shown, the magnet 19 faces the magnetic conductor 23 in a non-contact state. The magnetic force generated by the magnet 19 on the magnetic conductor 23 maintains the roller body 2 in the second position. The arc-shaped cantilever 171 maintains the tightness of the contact state between the elastic top member 17 and the annular wave surface 221. When the roller body 2 is rotated, the elastic top member 17 moves back and forth along the axial direction on the annular wave surface 221, allowing the operator to feel the intermittent strength of the gear rotation.

[0066] In this embodiment, the scroll wheel body 2 is a hollow annular structure. A grating wheel 24 is provided to close one side of the annular structure. This grating wheel 24 works in conjunction with other internal electronic control structures of the mouse. Therefore, the scroll wheel body 2 is rotated for angle calculation and control. This is the basic structure of the mouse and will not be described further. In this embodiment, the scroll wheel body 2 is formed by the mating of a first housing 25 and a second housing 26. The magnetic conductor 23 is disposed on the inner wall of the first housing 25 but does not obstruct the grating wheel 24. The pivot 21 is fixed at the center of the first housing 25. After assembly, although the scroll wheel body 2 forms an annular shape covering a portion of the outer area of ​​the scroll wheel base 1, it does not hinder the rotation of the scroll wheel body 2.

[0067] The following is a detailed description of the operating mode of this utility model:

[0068] like Figure 2 The diagram shown is a cross-sectional view of the roller body 2 in the first position. In this position, besides the metal elastic baffle 14 blocking the hole outlet 123, the magnet 15 generates a magnetic attraction force F1 on the metal elastic baffle 14. Unless the operator applies a force greater than the magnetic attraction force F1 to push the rotating shaft 21 away from the metal elastic baffle 14, the stop block 211 will be confined within the second hole section 122 and close to the first hole section 121. In this state, since the magnetic conductor 23 is very far from the magnet 19 on the roller base 1, the magnetic force of the magnet 19 cannot attract the magnetic conductor 23. Therefore, the roller body 2 is almost unaffected by any external force, and the roller body 2 can rotate in flywheel mode.

[0069] like Figure 4 As shown, when the operator pushes the roller body 2 axially, that is, applies a force F2 greater than the magnetic attraction force F1 to the roller body 2 (F2>F1), the rotating shaft 21 can push open the metal elastic baffle 14 and push the roller body 2 to the second position. In this position, the magnetic conductor 23 inside the roller body 2 is very close to the magnet 19 of the roller base 1. At this time, the rotating shaft 21 will be subjected to two forces in different directions. The first force is the magnetic attraction force F3 of the magnetic conductor 23 and the magnet 19, and the second force is the elastic restoring force F4 of the metal elastic baffle 14. The design of this utility model is that F3>F4, so that the stop 211 of the rotating shaft 21 is close to the bearing 10 in the second hole section 122, and the roller body 2 can thus be stably maintained in the second position.

[0070] When the roller body 2 rotates in the second position, the elastic top member 17 is in contact with the annular wave surface 221, allowing the operator to feel the intermittent strength of the gear rotation in the toggle mode.

[0071] In summary, the mouse scroll wheel mechanism of this utility model uses the scroll wheel body 2 to move axially to the first or second position, thus switching to flywheel mode or toggle mode, making it more convenient and faster for users to operate the mouse.

[0072] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the scope of the embodiments of the present utility model. All equivalent variations and modifications made within the scope of the claims of the present utility model are covered by the patent scope of the present utility model.

Claims

1. A mouse scroll wheel mechanism, characterized by, The utility model relates to a roller base, which is provided with an axle hole, and a plurality of bearings are arranged at different positions in the axle hole. The roller body is provided with a rotating shaft extending outward in the center, and the rotating shaft is arranged in the bearings, so that the roller body can rotate freely outside the roller base. In addition, the rotating shaft can move in the axial direction in the bearings for a short distance, so that the roller body moves to a first position and a second position. The inner wall of the roller body facing the roller base is provided with an annular member, and the outward convex end face of the annular member is a ring-shaped wave surface. The roller base is provided with a second side wall in the direction facing the roller body, and a movable elastic top member is arranged on the second side wall. When the roller body is in the first position, the elastic top member does not contact the ring-shaped wave surface, and the roller body can be freely rotated by being pushed. When the roller body is in the second position, the elastic top member contacts the ring-shaped wave surface, and the roller body produces intermittent strong and weak gear feeling when being pushed. The roller base is fixed on a carrier, so that the roller body can rotate freely in the air.

2. The mouse wheel mechanism of claim 1, wherein, The roller base is provided with a first side wall away from the roller body, and the axle hole is provided with a hole outlet on the first side wall. In addition, the first side wall is provided with a metal elastic baffle which can be deformed and moved. One end of the metal elastic baffle is fixed to the roller base, and the other end can shield or leave the hole outlet after being moved. In addition, the rotating shaft can be moved to protrude out of the hole outlet and push open the metal elastic baffle.

3. The mouse wheel mechanism of claim 1, wherein, The first position is the farthest position of the roller body from the roller base in the axial direction, and in this state, the metal elastic baffle completely shields the hole outlet.

4. The mouse wheel mechanism of claim 3, wherein, The axle hole includes a first hole section, a second hole section and the hole outlet connected in sequence. The second hole section has a diameter greater than that of the first hole section and the hole outlet. The bearings are arranged in the first hole section and the second hole section, respectively. In addition, the shaft wall of the rotating shaft is fixed with a stopper, and the diameter of the stopper is between the diameters of the first hole section and the second hole section. The stopper is limited to move only in the second hole section, so as to limit the axial movement distance of the rotating shaft.

5. The mouse scroll wheel mechanism of claim 3, wherein, The first side wall is embedded with a magnet, and the magnet is arranged adjacent to the hole outlet. When the magnet attracts the metal elastic baffle by magnetic force, the metal elastic baffle completely shields the hole outlet and temporarily blocks the rotating shaft from protruding out of the hole outlet.

6. The mouse scroll wheel mechanism of claim 3, wherein, The position of the ring-shaped wave surface corresponds to the elastic top member. The elastic top member is connected to the second side wall by an arc-shaped cantilever extending from itself. The elasticity of the arc-shaped cantilever can bend and deform to maintain the tightness of the elastic top member in contact with the ring-shaped wave surface, and does not affect the rotation of the roller body.

7. The mouse wheel mechanism of claim 1, wherein, The inner wall of the roller body facing the roller base in the axial direction is provided with a magnetic guide, and the second side wall is embedded with a magnet. The magnetic attraction force generated by the magnet on the magnetic guide maintains the roller body in the second position, and the magnet faces the magnetic guide in a non-contact state.

8. The mouse scroll wheel mechanism of claim 1, wherein, ​ 9. The mouse wheel mechanism of claim 8, wherein, The magnet is arranged symmetrically to the center of the rotating shaft and is a single-pole magnet, and the position and the pole of the magnet are directed to the magnetic guide.

10. The mouse scroll wheel mechanism of claim 8, wherein, The roller body is formed by a first shell and a second shell, and the roller base is partially covered in the first shell and the second shell. The magnetic guide is annular and arranged on the inner wall of the first shell.

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