Roller structure and input device comprising same

Abstract

The utility model provides a roller structure and an input device comprising the same. The roller structure comprises a roller body, a connecting rod assembly, a driving assembly, a moving part and an elastic element. The roller assembly includes a groove that is recessed from one radial plane of the roller body toward another radial plane. The link assembly has a first end and a second end. And the first end part is arranged in the groove of the roller assembly. The driving assembly comprises a motor and a screw connected with the motor. The moving part is movably arranged on the screw rod of the driving assembly. The elastic element abuts between the second end portion of the connecting rod assembly and the moving part. The motor is used for driving the screw rod to drive the moving piece to move in the radial direction parallel to the roller body, and correspondingly, the acting force of the first end part abutting against the roller assembly is changed.

Description

Technical Field

[0001] The utility model relates to a roller structure and an input device comprising the roller structure, in particular to a roller structure with multiple adjustable rotation modes and an input device comprising the roller structure. Background Art

[0002] Input devices can be used to control electronic devices. Common input devices include mice, keyboards, remote controls, game controllers, etc. Many input devices include a scroll wheel structure, and users can control the electronic device by operating the scroll wheel structure, such as moving a cursor on the electronic device, scrolling pages displayed on the electronic device, etc. Some scroll wheel structures rotate in a paragraph mode, that is, a paragraph sense (or scale sense) is felt when the scroll wheel structure is operated. Some scroll wheel structures rotate in a non-paragraph mode, that is, no paragraph sense is felt when the scroll wheel structure is operated. However, the rotation mode of the existing scroll wheel structure is usually fixed during production and cannot be adjusted, making it difficult to adapt to different usage scenarios.

[0003] Therefore, proposing a roller structure with adjustable rotation mode is one of the goals of the industry. Utility Model Content

[0004] Therefore, an object of the present invention is to provide a roller structure with multiple adjustable rotation modes and an input device including the roller structure to solve the above-mentioned problems.

[0005] In order to achieve the above object, the utility model provides a roller structure, comprising:

[0006] The roller assembly comprises a roller body, wherein the roller body comprises a groove, and the groove is recessed from a radial plane of the roller body toward another radial plane;

[0007] A connecting rod assembly having a first end and a second end, wherein the first end is disposed in the groove;

[0008] A driving assembly, comprising a motor and a screw connected to the motor;

[0009] a moving member, movably disposed on the screw rod of the driving assembly; and

[0010] An elastic element abuts between the second end of the connecting rod assembly and the moving member;

[0011] The motor is used to drive the screw rod to drive the moving member to move, and the moving direction of the moving member is parallel to the radial direction of the roller body.

[0012] Preferably, it also comprises:

[0013] baffle; and

[0014] A support rod connected between the moving part and the blocking piece, and the elastic element is sleeved on the support rod;

[0015] Wherein, the second end is arranged between the moving part and the blocking piece.

[0016] More preferably, it also comprises:

[0017] A first limiting member is located on the moving path of the blocking piece, wherein the moving member is relatively fixed to the blocking piece, and when the moving member moves to drive the blocking piece to abut against the first limiting member, the spacing distance between the second end portion and the moving member is the smallest;

[0018] And / or, the second limiting member is located on the moving path of the moving member, wherein when the moving member moves to abut against the second limiting member, the spacing distance between the second end portion and the moving member is the smallest.

[0019] Preferably, the groove includes a plurality of protrusions, and the first end is pressed against the plurality of protrusions to generate a sense of movement when the roller body rolls.

[0020] Further preferably, when the first end abuts against the plurality of protrusions, the length of the elastic element is changed by the movement of the moving member along the axial direction of the screw.

[0021] Preferably, it also comprises:

[0022] The third limiting member is used to limit the moving direction of the connecting rod assembly; wherein the moving direction of the connecting rod assembly is parallel to the moving direction of the moving member.

[0023] Preferably, the roller assembly further comprises a shaft portion, and the roller body rotates around the shaft portion as an axis;

[0024] The first end portion and the second end portion are respectively located at two opposite sides of the shaft portion;

[0025] Alternatively, the first end portion and the second end portion are respectively located on the same side of the shaft portion.

[0026] In order to achieve the above object, the utility model also provides an input device including the roller structure, comprising:

[0027] a housing including an opening; and

[0028] A roller structure is disposed in the housing, the opening exposes a portion of the roller structure, and the roller structure comprises:

[0029] The roller assembly comprises a roller body, wherein the roller body comprises a groove, and the groove is recessed from a radial plane of the roller body toward another radial plane;

[0030] A connecting rod assembly having a first end and a second end, wherein the first end is disposed in the groove;

[0031] A driving assembly, comprising a motor and a screw connected to the motor;

[0032] a moving member, movably disposed on the screw rod of the driving assembly; and

[0033] An elastic element abuts between the second end of the connecting rod assembly and the moving member;

[0034] The motor is used to drive the screw rod to drive the moving member to move, and the moving direction of the moving member is parallel to the radial direction of the roller body.

[0035] Preferably, the driving assembly moves the moving member and changes the length of the elastic element to change the rotation mode of the roller structure, and the rotation mode of the roller structure includes a plurality of paragraph modes, and the plurality of paragraph modes have different degrees of paragraph sense.

[0036] Preferably, the rotation mode of the roller structure further includes a non-paragraph mode.

[0037] Compared with the prior art, the roller structure provided by the utility model includes a roller assembly, a connecting rod assembly, a driving assembly, a moving part and an elastic element. The combination of the driving assembly, the moving part and the elastic element allows the force applied by the connecting rod assembly to the roller assembly to be adjusted, so that the roller structure has a plurality of adjustable rotation modes, including a plurality of paragraph modes with different degrees of paragraph sense and a non-paragraph mode. The user can choose the way to operate the roller structure from a plurality of paragraph modes with different degrees of paragraph sense (or scale sense) and a non-paragraph mode according to his or her preferences, and can respond to different usage scenarios. In addition, the roller structure of the utility model can be applied to various input devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 is a schematic diagram of an input device according to an embodiment of the present utility model;

[0039] Figure 2A is a schematic diagram of a roller structure according to an embodiment of the utility model;

[0040] Figure 2B for Figure 2A Schematic diagram of the roller structure at different viewing angles;

[0041] Figure 2C for Figure 2B Exploded view of the roller structure;

[0042] Figure 3A for Figure 2A Schematic diagram of the roller structure in different rotation modes;

[0043] Figure 3B for Figure 3A Schematic diagrams of the roller structure at different viewing angles; and

[0044] Figure 4 It is a schematic diagram of a roller structure according to another embodiment of the utility model. DETAILED DESCRIPTION

[0045] In order to provide a further understanding of the purpose, structure, features, and functions of the present invention, the present invention is described in detail below with reference to the embodiments.

[0046] Certain words are used in the specification and claims to refer to specific components. Those with ordinary knowledge in the field should understand that manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but rather use differences in components' functions as the criteria for distinction. The term "including" mentioned throughout the specification and claims is an open-ended term and should be interpreted as "including but not limited to".

[0047] The ordinal numbers used in the specification, such as "first", "second", "third", etc., are used to modify components. They do not imply or represent any previous ordinal number of the component, nor do they represent the order of one component and another component, or the order of manufacturing methods. The use of these ordinal numbers is only used to clearly distinguish a component with a certain name from another component with the same name.

[0048] Please also refer to Figure 1 and Figures 2A to 2C . Figure 1 FIG. 1 is a schematic diagram of an input device 1 according to an embodiment of the present invention. Figure 2A FIG. 2 is a schematic diagram of a roller structure 20 according to an embodiment of the present invention. Figure 2B for Figure 2A Schematic diagrams of the roller structure 20 at different viewing angles. Figure 2C for Figure 2BThe input device 1 includes a housing 10 and a roller structure 20 disposed in the housing 10. The housing 10 may include a first shell 101 and a second shell 102. The first shell 101 may be joined to the second shell 102 to define a receiving space S. The first shell 101 of the housing 10 may include an opening 10H. The opening 10H is connected to the receiving space S. The opening 10H is connected to the outside of the housing 10. The roller structure 20 is disposed in the receiving space S of the housing 10. The opening 10H of the housing 10 exposes a portion of the roller structure 20 so that the user can operate the roller structure 20. In this embodiment, the opening 10H passes through the upper surface of the housing 10, but the utility model is not limited thereto. In other embodiments, the opening 10H may be located at a position other than the upper surface of the housing 10, for example, it may be located on the side surface of the housing 10. The embodiment of the present invention illustrates the input device 1 as a mouse, but the present invention is not limited thereto. The scroll wheel structure of the present invention can be applied to various wired and wireless input devices, such as a mouse, a keyboard, a joystick, a remote control, a game controller, household appliances, etc.

[0049] like Figures 2A to 2CAs shown, the roller structure 20 includes a mounting plate 200, a support seat 210, a roller assembly 220, a connecting rod assembly 230, a driving assembly 240, a moving part 250, an elastic element 260, a baffle 270 and a supporting rod 280. The mounting plate 200 can be disposed on the second housing 102. The mounting plate 200 can be fixed to the second housing 102 by means of snap-fitting, screwing, bonding, etc. The mounting plate 200 can include a circuit board or a power source to drive the driving assembly 240. The support seat 210 can be disposed on the second housing 102. The support seat 210 can be disposed on the mounting plate 200. The support seat 210 can include a through hole 210H1 and a through hole 210H2. The through hole 210H1 and the through hole 210H2 can penetrate two opposite side surfaces of the support seat 210. The shapes of the through hole 210H1 and the through hole 210H2 can be the same or different from each other. The sizes of the through hole 210H1 and the through hole 210H2 may be the same or different from each other. In this embodiment, the through hole 210H1 has a square shape and the through hole 210H2 has a circular shape, but the present invention is not limited thereto. The roller assembly 220 includes a roller body 221 and a shaft portion 222. The shaft portion 222 is disposed on the side surface of the roller body 221. The opposite ends of the shaft portion 222 may be respectively penetrated through the through hole 210H1 and the through hole 210H2 of the support seat 210. The roller assembly 220 is pivotally connected to the support seat 210 through the shaft portion 222 so that the roller assembly 220 can be rotatably disposed on the support seat 210. In one embodiment, when the roller assembly 220 rotates relative to the support seat 210, the roller body 221 may rotate along with the shaft portion 222. In one embodiment, the roller body 221 may not rotate together with the shaft 222, that is, the shaft 222 may not rotate relative to the support seat 210, while the roller body 221 rotates relative to the support seat 210. The roller body 221 may rotate along the circumferential direction of the roller body 221. The roller body 221 may rotate around the shaft 222. The support seat 210 may be fixed to the second housing 102 or the mounting plate 200 by means of snap-fitting, screwing, bonding, etc., so as to avoid the position of the support seat 210 being displaced when the roller assembly 220 rotates. In one embodiment, the shape and / or size of the end of the shaft 222 passing through the through hole 210H1 may match the shape and / or size of the through hole 210H1, and the shape and / or size of the end of the shaft 222 passing through the through hole 210H2 may match the shape and / or size of the through hole 210H2. The opening 10H of the input device 1 can expose a portion of the roller body 221 so that the user can rotate the roller structure 20 .

[0050] The roller body 221 may include a groove 221R. The groove 221R may be, for example, recessed from a radial plane of the roller body 221 toward another radial plane. The shaft portion 222 is disposed in the groove 221R. The shaft portion 222 may penetrate the groove 221R. The side surface of the groove 221R may include a plurality of protrusions 221R1 and a plurality of recesses 221R2. The plurality of protrusions 221R1 and the plurality of recesses 221R2 may be alternately disposed along the rotation direction (or circumferential direction) of the roller body 221. In one embodiment, the plurality of protrusions 221R1 and the plurality of recesses 221R2 of the groove 221R may constitute a toothed surface. The shape, setting interval and number of the protrusions 221R1 and the recesses 221R2 of the roller body 221 may vary according to actual applications, and are not limited to the styles shown in the embodiments.

[0051] The connecting rod assembly 230 is disposed on the mounting plate 200. The connecting rod assembly 230 is movably configured relative to the mounting plate 200. The connecting rod assembly 230 has a first end 230A and a second end 230B. The first end 230A and the second end 230B can be respectively located at opposite ends of the connecting rod assembly 230. The first end 230A is disposed in the groove 221R of the roller assembly 220. The first end 230A can be used to abut against the side surface of the groove 221R of the roller body 221, for example, against the convex portion 221R1 and / or the concave portion 221R2 of the groove 221R. By abutting the first end 230A against the multiple convex portions 221R1 of the roller assembly 220, a sense of segmentation when the roller body 221 of the roller structure 20 rolls can be generated. The second end 230B may be disposed between the moving member 250 and the baffle 270, and the second end 230B may be disposed between the elastic element 260 and the baffle 270. In this embodiment, the first end 230A and the second end 230B are respectively located on opposite sides of the shaft portion 222 (that is, the first end 230A is located on the front side of the shaft portion 222, and the second end 230B is located on the rear side of the shaft portion 222). In other embodiments, the first end 230A and the second end 230B may be located on the same side of the shaft portion 222 (that is, the first end 230A and the second end 230B are located on the rear side of the shaft portion 222). The connecting rod assembly 230 may extend from the groove 221R of the roller assembly 220 to between the elastic element 260 and the baffle 270. The connecting rod assembly 230 may include a notch 231 located at the second end 230B. In this embodiment, the notch 231 is a "U"-shaped notch with an opening facing upward, but the utility model is not limited thereto. The opening of the notch 231 may face other directions, or the notch 231 may also be a through hole directly opened on the second end 230B. The connecting rod assembly 230 may be composed of a single element, or may be composed of a plurality of elements connected to each other. For example, the connecting rod assembly 230 may include a first rod 232 and a second rod 233. The first rod 232 is connected to the second rod 233. The first rod 232 may be connected to the second rod 233 in a fixed manner (e.g., by snapping, screwing, bonding, etc.). When the connecting rod assembly 230 moves relative to the mounting plate 200, the first rod 232 may move with the second rod 233. At least a portion of the first rod 232 is disposed in the groove 221R of the roller assembly 220. The first rod 232 may have a first end 230A. The second rod 233 may be disposed on one side of the roller assembly 220. A portion of the second rod 233 may be disposed between the moving member 250 and the blocking piece 270 , and a portion of the second rod 233 may be disposed between the elastic element 260 and the blocking piece 270 . The second rod 233 may have a second end 230B. The second rod 233 may include a notch 231 .In this embodiment, the first rod 232 may have a columnar shape, and the second rod 233 may have a bent shape (e.g., an L-shape); however, the present invention is not limited thereto, and the first rod 232 and the second rod 233 may have any shape. In this embodiment, the first rod 232 may be used to abut against the convex portion 221R1 of the roller body 221; however, the present invention is not limited thereto, and the first rod 232 may also abut against the concave portion 221R2 of the roller body 221.

[0052] The driving assembly 240 is disposed on the mounting plate 200. The driving assembly 240 includes a motor 241 and a screw rod 242 connected to the motor 241. The motor 241 is, for example, a stepping motor. The speed, torque, step angle and other properties of the motor 241 can be adjusted according to the needs of the user. The screw rod 242 can have an external thread structure. The moving member 250 is movably disposed on the screw rod 242 of the driving assembly 240, and the moving member 250 cannot rotate relative to the screw rod 242. For example, the moving member 250 has a first surface parallel to the plate surface of the mounting plate 200, and the first surface contacts the mounting plate 200 to limit the moving member 250 from rotating; or, the driving assembly 240 can also include a guide rod arranged in parallel with the screw rod 242, the guide rod is connected to the motor 241 and penetrates the moving member 250, thereby limiting the moving member 250 from rotating, but the utility model is not limited thereto. The moving part 250 may include a first moving part 251 and a second moving part 252. The first moving part 251 is connected to the second moving part 252. The first moving part 251 may be connected to the second moving part 252 in a fixed manner (e.g., by snap-fitting, screwing, bonding, etc.). The first moving part 251 may move together with the second moving part 252. The first moving part 251 is disposed on the screw rod 242. The first moving part 251 may have an internal thread structure that matches the external thread structure of the screw rod 242. The first moving part 251 may be engaged with the screw rod 242 through the internal thread structure. The pitch of the internal thread structure of the first moving part 251 and the external thread structure of the screw rod 242 may vary according to actual application. The second moving part 252 is connected to the support rod 280. The support rod 280 passes through the notch 231 of the connecting rod assembly 230. The support rod 280 is connected between the second moving part 252 of the moving part 250 and the baffle 270. The moving part 250 and the baffle 270 are relatively fixed. The elastic element 260 is sleeved on the support rod 280. The elastic element 260 abuts between the second end 230B of the connecting rod assembly 230 and the second movable portion 252 of the movable member 250. The elastic element 260 is made of an elastic material. The elastic element 260 can be elastically deformed. The elastic element 260 is, for example, a spring. In one embodiment, the elastic element 260 is a linear spring. In this embodiment, the thickness of the first movable portion 251 along the axial direction of the screw rod 242 is greater than the thickness of the second movable portion 252 along the axial direction of the screw rod 242, but the utility model is not limited thereto, and the thickness of the first movable portion 251 along the axial direction of the screw rod 242 may also be less than or equal to the thickness of the second movable portion 252 along the axial direction of the screw rod 242. The motor 241 can be used to drive the screw 242 to drive the moving member 250 to move. The moving direction of the moving member 250 can be parallel to a radial direction of the roller body 221, the axial direction of the screw 242 can be parallel to the radial direction of the roller body 221, and the moving direction of the connecting rod assembly 230 can be parallel to the moving direction of the moving member 250.

[0053] In one embodiment, the roller structure 20 may further include a control switch, which is electrically connected to the driving assembly 240 . The user may control the operation of the driving assembly 240 through the control switch.

[0054] The roller structure 20 may further include a first stopper 291 and a second stopper 292 disposed on the mounting plate 200. The first stopper 291 and the second stopper 292 may be connected to the mounting plate 200 in a fixed manner (e.g., by snap-fitting, screwing, bonding, etc.). The first stopper 291 is located on the moving path of the baffle 270, for example, the first stopper 291 is located at the end of the moving path of the baffle 270, and can be used to limit the position of the baffle 270. In other words, when the moving member 250 moves and drives the baffle 270 against the first stopper 291, the interval distance P1 between the second end 230B of the connecting rod assembly 230 and the second moving portion 252 of the moving member 250 is the smallest. The second stopper 292 is located on the moving path of the first moving portion 251 of the moving member 250, for example, the second stopper 292 is located at the end of the moving path of the first moving portion 251 of the moving member 250, and can be used to limit the position of the first moving portion 251 of the moving member 250. That is, when the moving member 250 moves to abut against the second stopper 292, the spacing distance P1 between the second end 230B of the connecting rod assembly 230 and the second moving portion 252 of the moving member 250 is minimum. The second stopper 292 can be connected to the screw 242. The second stopper 292 and the motor 241 can be located at opposite ends of the screw 242. In other embodiments, the first stopper 291 and the second stopper 292 can be an integral part; or, the roller structure 20 can also have only one of the first stopper 291 or the second stopper 292, but the utility model is not limited thereto.

[0055] When the motor 241 is operated, the motor 241 rotates the screw 242 and causes the moving member 250 to reciprocate along the axial direction of the screw 242; in this case, the rotational motion can be converted into a linear motion. The reciprocating motion of the moving member 250 can change the length of the elastic element 260 along the axial direction of the screw 242.

[0056] The operation of the motor 241 of the driving assembly 240 includes a forward mode and a backward mode. Taking the embodiment in which the first end 230A is located at the front side of the shaft 222 and the second end 230B is located at the rear side of the shaft 222 as an example, when the motor 241 is in the forward mode, the motor 241 can rotate the screw 242 in a first rotation direction and make the first moving part 251 of the moving member 250 move from a first position closest to the motor 241 (such as Figures 2A to 2C 241 along the axial direction of the screw 242 to the second position farthest from the motor 241 (as shown in FIG. Figures 3A to 3BAs shown in FIG. 2 , during this movement, the length of the elastic element 260 along the axial direction of the screw rod 242 decreases, that is, the spacing distance P1 between the second moving portion 252 and the second end portion 230B decreases and the elastic element 260 is compressed, so that the elastic unit 260 obtains elastic potential energy, thereby increasing the force (e.g., elastic force) applied by the elastic element 260 to the connecting rod assembly 230, and the connecting rod assembly 230 is driven to move in a direction away from the motor 241, so that the connecting rod assembly 230 can be transformed from the convex portion 221R1 that does not abut against the roller assembly 220 to the convex portion 221R1 that abuts against the roller assembly 220. When the connecting rod assembly 230 abuts against the convex portion 221R1 of the roller assembly 220, the connecting rod assembly 230 will apply a force to the convex portion 221R1 that is in contact, and at this time, the roller structure 20 rotates in a paragraph mode, and the user will feel a paragraph sense (or scale sense) when rotating the roller body 221. During the period when the connecting rod assembly 230 abuts against the convex portion 221R1 of the roller assembly 220, the first moving portion 251 of the moving member 250 can continue to move toward the second position, the length of the elastic element 260 along the axial direction of the screw 242 is reduced, and the force (e.g., elastic force) applied by the elastic element 260 to the connecting rod assembly 230 increases, so that the force applied by the connecting rod assembly 230 to the convex portion 221R1 of the roller assembly 220 increases, so that the roller structure 20 can rotate in a variety of different paragraph modes, and these paragraph modes have different degrees of paragraph sense (or scale sense). In other words, when the first end 230A of the connecting rod assembly 230 abuts against the convex portion 221R1, the length of the elastic element 260 changes by the moving member 250 moving along the axial direction of the screw 242. In one embodiment, as the force applied by the connecting rod assembly 230 to the convex portion 221R1 of the roller assembly 220 increases, the user will correspondingly feel a more obvious paragraph sense (or scale sense) when rotating the roller body 221.

[0057] In this embodiment, when the motor 241 is in the backward mode, the motor 241 can rotate the screw 242 in the second rotation direction and move the first moving portion 251 of the moving member 250 from the second position (eg, Figures 3A to 3B 242) moves back to the first position (as shown) along the axial direction of the screw 242. Figures 2A to 2CAs shown in the figure, the first rotation direction is opposite to the second rotation direction. During this movement, the length of the elastic element 260 along the axial direction of the screw 242 increases, that is, the spacing distance P1 between the second movable portion 252 and the second end portion 230B increases, so that the elastic unit 260 obtains space for rebound and restores its original shape, thereby reducing the force (such as elastic force) applied by the elastic element 260 to the connecting rod assembly 230, and the connecting rod assembly 230 is driven to move in the direction close to the motor 241, so that the connecting rod assembly 230 can be transformed from the convex portion 221R1 abutting against the roller assembly 220 to the convex portion 221R1 not abutting against the roller assembly 220. During the period when the connecting rod assembly 230 has not yet changed to not abutting against the convex portion 221R1 of the roller assembly 220, that is, during the period when the connecting rod assembly 230 still abuts against the convex portion 221R1 of the roller assembly 220, the first moving portion 251 of the moving member 250 can continue to move toward the first position (but still has not reached the first position), the length of the elastic element 260 in the axial direction of the screw 242 increases, and the force (such as elastic force) applied by the elastic element 260 to the connecting rod assembly 230 is reduced, so that the force applied by the connecting rod assembly 230 to the convex portion 221R1 of the roller assembly 220 is reduced, so that the roller structure 20 can rotate in a variety of different paragraph modes, and these paragraph modes have different degrees of paragraph feeling (or scale feeling). In one embodiment, as the force applied by the connecting rod assembly 230 to the convex portion 221R1 of the roller assembly 220 decreases, the user will correspondingly feel a lighter paragraph feeling (or scale feeling) when rotating the roller body 221. In a further embodiment, when the first moving portion 251 moves from the second position (such as Figures 3A to 3B ) moves back to the first position (as shown) Figures 2A to 2C During the period (as shown in the figure), the blocking piece 270 moves toward the direction approaching the motor 241, and then when the first moving portion 251 of the moving member 250 moves to the first position, the blocking piece 270 contacts the second rod 233 of the connecting rod assembly 230, and the blocking piece 270 drives the connecting rod assembly 230 to move toward the direction approaching the motor 241 and away from the protrusion 221R1 of the roller assembly 220. At this time, the connecting rod assembly 230 does not abut against the protrusion 221R1 of the roller assembly 220, and the roller structure 20 rotates in a non-segment mode (or shuttle mode).

[0058] like Figures 3A to 3BAs shown, when the first moving part 251 of the moving member 250 is located at the second position, the first moving part 251 abuts against the second stopper 292, the blocking piece 270 abuts against the first stopper 291, and the connecting rod assembly 230 abuts against the convex part 221R1 of the roller assembly 220, and the roller structure 20 rotates in a paragraph mode. The first stopper 291 and the second stopper 292 can prevent the moving member 250 from over-compressing the elastic element 260, resulting in excessive force applied by the connecting rod assembly 230 to the convex part 221R1 of the roller assembly 220, making it difficult to rotate the roller body 221. When operating the roller structure 20, the first movable portion 251 can stop at the first position and the second position. The first movable portion 251 can also stop at any position between the first position and the second position. Different stopping positions of the first movable portion 251 will cause the elastic element 260 to apply different forces to the connecting rod assembly 230, and cause the connecting rod assembly 230 to apply different forces to the protrusion 221R1 of the roller assembly 220, thereby changing the rotation segment feel of the roller structure 20.

[0059] The driving assembly 240 of the present invention moves the moving member 250 and changes the length of the elastic element 260, thereby changing the rotation mode of the roller structure 20. The rotation modes of the roller structure 20 include multiple segment modes and a non-segment mode, and the multiple segment modes have different levels of segment sense.

[0060] In other embodiments, the first end 230A and the second end 230B are located on the same side of the shaft 222, and the operation of the motor 241 to change the rotation mode of the roller structure 20 is similar to the aforementioned embodiment and will not be repeated here. The only difference is that when the motor 241 is in the backward mode, the force (e.g., elastic force) applied by the elastic element 260 to the connecting rod assembly 230 increases; when the motor 241 is in the forward mode, the force (e.g., elastic force) applied by the elastic element 260 to the connecting rod assembly 230 decreases.

[0061] Figure 4It is a schematic diagram of a roller structure 40 of another embodiment of the utility model. The difference between the roller structure 40 and the roller structure 20 is that the roller structure 40 may also include a third limit member 471 disposed on the mounting plate 200. The third limit member 471 may be disposed in a fixed manner (for example, by snap-fitting, screwing, bonding, etc.). The third limit member 471 may be, for example, a limit block, a slide groove, etc. In one embodiment, two third limit members 471 may be provided, and the two third limit members 471 may be the same or different from each other. Among them, the two third limit members 471 are respectively fixed relative to the mounting plate 200. One of the third stoppers 471 may extend from one side of the second rod 233 to the other side opposite thereto (e.g., from the side of the second rod 233 facing the roller assembly 220 to the other side opposite thereto), so as to limit the moving direction of the connecting rod assembly 230 during the movement of the connecting rod assembly 230, so as to prevent the connecting rod assembly 230 from tilting or deviating from the moving direction; the other third stopper 471 may extend from one side of the second rod 233 to the other side opposite thereto (e.g., from the side of the second rod 233 facing the stopper 291 to the other side opposite thereto), so as to limit the moving direction of the connecting rod assembly 230 during the movement of the connecting rod assembly 230, so as to prevent the connecting rod assembly 230 from tilting or deviating from the moving direction. In one embodiment, the connecting rod assembly 230 may move along the Y direction, and the third stopper 471 may prevent the connecting rod assembly 230 from generating displacement in the X direction. The two third stoppers 471 in the above embodiment are optional, and one of them can be selected according to the requirements, or more third stoppers 471 can be provided on the mounting plate 200. The third stoppers 471 are not limited to the shape and position shown in the figure.

[0062] In summary, the roller structure provided by the utility model includes a roller assembly, a connecting rod assembly, a driving assembly, a moving part and an elastic element. The combination of the driving assembly, the moving part and the elastic element allows the force applied by the connecting rod assembly to the roller assembly to be adjusted, so that the roller structure has a plurality of adjustable rotation modes, including a plurality of paragraph modes with different degrees of paragraph sense and a non-paragraph mode. The user can choose the way to operate the roller structure from a plurality of paragraph modes with different degrees of paragraph sense (or scale sense) and a non-paragraph mode according to his or her preferences, and can respond to different usage scenarios. In addition, the roller structure of the utility model can be applied to various input devices.

[0063] The present invention has been described by the above-mentioned relevant embodiments, however, the above-mentioned embodiments are only examples for implementing the present invention. It must be pointed out that the disclosed embodiments do not limit the scope of the present invention. On the contrary, any changes and modifications made without departing from the spirit and scope of the present invention are within the scope of patent protection of the present invention.

Claims

1. A roller structure, characterized in that: Include: The roller assembly comprises a roller body, wherein the roller body comprises a groove, and the groove is recessed from a radial plane of the roller body toward another radial plane; A connecting rod assembly having a first end and a second end, wherein the first end is disposed in the groove; A driving assembly, comprising a motor and a screw connected to the motor; a moving member, movably disposed on the screw rod of the driving assembly; and An elastic element abuts between the second end of the connecting rod assembly and the moving member; The motor is used to drive the screw rod to drive the moving member to move, and the moving direction of the moving member is parallel to the radial direction of the roller body.

2. The roller structure according to claim 1, characterized in that: Also includes: baffle; and A support rod connected between the moving part and the blocking piece, and the elastic element is sleeved on the support rod; Wherein, the second end is arranged between the moving part and the blocking piece.

3. The roller structure according to claim 2, characterized in that: Also includes: A first limiting member is located on the moving path of the blocking piece, wherein the moving member is relatively fixed to the blocking piece, and when the moving member moves to drive the blocking piece to abut against the first limiting member, the spacing distance between the second end portion and the moving member is the smallest; And / or, the second limiting member is located on the moving path of the moving member, wherein when the moving member moves to abut against the second limiting member, the spacing distance between the second end portion and the moving member is the smallest.

4. The roller structure according to claim 1, characterized in that: The groove includes a plurality of convex parts, and the first end is pressed against the plurality of convex parts to generate a stepping feeling when the roller body rolls.

5. The roller structure according to claim 4, characterized in that: When the first end abuts against the plurality of protrusions, the length of the elastic element is changed by the movement of the moving member along the axial direction of the screw.

6. The roller structure according to claim 1, characterized in that: Also includes: The third limiting member is used to limit the moving direction of the connecting rod assembly; wherein the moving direction of the connecting rod assembly is parallel to the moving direction of the moving member.

7. The roller structure according to claim 1, characterized in that: The roller assembly also includes a shaft portion, and the roller body rotates around the shaft portion as an axis; The first end and the second end are respectively located at two opposite sides of the shaft; or, the first end and the second end are respectively located at the same side of the shaft.

8. An input device, characterized in that: Include: a housing including an opening; and A roller structure is disposed in the housing, the opening exposes a portion of the roller structure, and the roller structure comprises: The roller assembly comprises a roller body, wherein the roller body comprises a groove, and the groove is recessed from a radial plane of the roller body toward another radial plane; A connecting rod assembly having a first end and a second end, wherein the first end is disposed in the groove; A driving assembly, comprising a motor and a screw connected to the motor; a moving member, movably disposed on the screw rod of the driving assembly; and An elastic element abuts between the second end of the connecting rod assembly and the moving member; The motor is used to drive the screw rod to drive the moving member to move, and the moving direction of the moving member is parallel to the radial direction of the roller body.

9. The input device according to claim 8, characterized in that The driving assembly moves the moving member and changes the length of the elastic element to change the rotation mode of the roller structure. The rotation mode of the roller structure includes a plurality of paragraph modes, and the plurality of paragraph modes have different degrees of paragraph sense.

10. The input device according to claim 8, wherein: The rotation mode of the roller structure also includes a non-paragraph mode.

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