Mouse wheel mode switching structure

Abstract

A mouse roller mode switching structure belongs to the field of mice and is characterized in that a roller coaxially embedded with a silicon steel ring is mounted in a first shell, teeth are arranged on the inner circumference of the silicon steel ring, an optical shaft penetrates through a telescopic frame embedded with a magnetic strip, the magnetic strip is matched with the teeth on the inner circumference of the silicon steel ring, the telescopic frame is mounted in a second shell, and a shaft rod on the telescopic frame is coaxially connected with a driving lever; teeth at one end of the deflector rod, the large gear and the small gear are sequentially meshed, the small gear is coaxially connected with the motor, the rotating shaft penetrates through a shaft hole of the roller, the two ends of the rotating shaft are connected with the first shell and the second shell, and the roller, the silicon steel ring and the telescopic frame are clamped in the first shell and the second shell. The mouse roller has the advantages that mutual switching between a ratchet wheel mode and a flywheel mode of the mouse roller is achieved through movement of the telescopic frame and adjustment of the distance between the magnetic strip and the silicon steel ring, the paragraph feeling of the mouse in normal use can be achieved, rapid page turning can be achieved, working efficiency is improved, friction of the roller can be reduced, the service life of the roller is prolonged, and the service life of the roller is prolonged. And the loss of electric energy can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mouse field, especially relate to a mouse scroll wheel mode switching structure. BACKGROUND

[0002] At present, the mouse scroll wheel has a jerk feeling when scrolling and flipping pages, when the user wants to quickly flip pages, because the jerk feeling of the scroll wheel makes the scroll wheel rotate slowly and the number of turns is small, so the flipping speed is very slow; moreover, the mouse scroll wheel shaft moves axially, which brings bad application experience to the user. In recent years, the existing solutions on the market for the above problems are: 1. switching the scroll wheel state by adjusting the position of the lever, 2. switching by the on-off of the radial magnetic field. The above-mentioned structure has the following defects by adjusting the position of the lever to switch the scroll wheel state: 1. the lever is always in contact with the scroll wheel in the ratchet mode, and there is a certain pressure, which will generate friction when the scroll wheel rotates, and the service life of the scroll wheel is limited. 2. the on-off of the radial magnetic field has the following defects: in the endless mode, the magnetic field needs to be powered on all the time to offset the magnetic field of the magnet, which increases the consumption of electric energy. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at overcoming the above-mentioned defects, providing a mouse scroll wheel mode switching structure, which can simultaneously satisfy the realization of the mouse scroll wheel mode adjustment function with high service life and low power consumption.

[0004] The utility model aims at overcoming the above-mentioned defects, providing a mouse scroll wheel mode switching structure, which can simultaneously satisfy the realization of the mouse scroll wheel mode adjustment function with high service life and low power consumption.

[0005] Steel balls are respectively installed in the shaft holes of the first shell and the second shell, the rotating shaft passes through the shaft hole of the scroll wheel, the two ends of the rotating shaft are in contact with the steel balls, and are connected and fixed with the first shell and the second shell.

[0006] One side of the first shell is provided with a clamping groove, the clamping groove is communicated with the shaft hole of the first shell, a spring piece is clamped in the clamping groove, and the spring piece is in contact with the steel ball in the shaft hole of the first shell.

[0007] The utility model discloses the beneficial effect is:

[0008] 1, through the motor drive intermeshing gear rotation, and then drive the extension frame along the axial movement of optical axis, thereby adjusting the distance of magnetic stripe and silicon steel ring, make the attraction between multiple magnetic stripe and silicon steel ring change, realize the mutual switching between the ratchet mode and the flywheel mode of mouse scroll wheel mode, can reduce the friction of scroll wheel, prolong the service life of scroll wheel, can also reduce the loss of electric energy.

[0009] 2, the point contact of pivot and steel ball, reduce the resistance when scroll wheel rotates, the contact of elastic sheet and steel ball, and elastic sheet exerts a pre -stress, can eliminate the axial excursion of scroll wheel due to manufacturing error. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the structural schematic diagram of the utility model.

[0011] Figure 2 It is Figure 1 The cross section structure schematic diagram.

[0012] Figure 3 It is Figure 1 The side structure schematic diagram of

[0013] Among them:

[0014] 1 - first casing, 2 - second casing, 3 - scroll wheel, 4 - pivot, 5 - steel ball, 6 - elastic sheet, 7 - extension frame, 8 - magnetic stripe, 9 - optical axis, 10 - silicon steel ring, 11 - lever, 12 - large gear, 13 - small gear, 14 - motor, 15 - clamping groove. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0016] Embodiment: in order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, the utility model will be further described in detail in conjunction with the drawings and specific embodiments.

[0017] As shown in the figure, a mouse roller mode switching structure comprises a first shell 1, a second shell 2, a roller 3, a rotating shaft 4, an extension frame 7, magnetic strips 8, an optical shaft 9 and a silicon steel ring 10. The roller 3 is installed in the first shell 1, the silicon steel ring 10 is coaxially embedded in the roller 3, the inner periphery of the silicon steel ring 10 is provided with teeth, the extension frame 7 passes through the optical shaft 9 and is connected to both sides of the optical shaft 9, several rectangular magnetic strips 8 are embedded in both sides of the extension frame 7 and are fixed with the extension frame 7 by adhesive, the magnetic strips 8 are fitted between the inner periphery teeth of the silicon steel ring 10, the extension frame 7 is installed in the second shell 2, the shaft stick on the extension frame 7 passes through the second shell 2 and is coaxially connected with a lever 11, one end of the lever 11 is provided with teeth and is engaged with a large gear 12 fixed on the second shell 2, the large gear 12 is engaged with a small gear 13, the small gear 13 is coaxially connected with a motor 14, the motor 14 is installed in the second shell 2, the first shell 1, the second shell 2 and the roller 3 are respectively provided with shaft holes, the rotating shaft 4 passes through the shaft hole of the roller 3 and is connected with the first shell 1 and the second shell 2 at both ends, so that the roller 3, the silicon steel ring 10 and the extension frame 7 are clamped in the first shell 1 and the second shell 2. The extension frame 7 moves along the axial direction of the optical shaft 9, so that the distance between the magnetic strips 8 and the silicon steel ring 10 is adjusted, and the mode of the mouse roller is adjusted.

[0018] A steel ball 5 is installed in each of the shaft holes of the first shell 1 and the second shell 2, the rotating shaft 4 passes through the shaft hole of the roller 3, the both ends of the rotating shaft 4 are in contact with the steel balls 5 and are connected and fixed with the first shell 1 and the second shell 2, the point contact between the rotating shaft 4 and the steel balls 5 reduces the resistance when the roller rotates.

[0019] One side of the first shell 1 is provided with a clamping groove 15, the clamping groove 15 is communicated with the shaft hole of the first shell 1, a spring piece 6 is clamped in the clamping groove 15 and is in contact with the steel ball 5 in the shaft hole of the first shell 1, the spring piece 6 can be deformed to the outside of the shell, and the spring piece 6 is used to eliminate the axial movement of the roller caused by manufacturing errors.

[0020] Working principle:

[0021] When the roller needs to be quickly rotated, the gears engaged with each other are driven to rotate by the motor 14, and then the extension frame 7 is pushed to move along the optical shaft 9 and approach each other, at this time the magnetic strips 8 on both sides of the extension frame 7 gradually move away from the silicon steel ring 10, the attraction between the two gradually decreases, and the jerk feeling of the roller 3 when rotating gradually decreases, so as to facilitate the quick rotation of the roller 3, at this time the mode of the roller 3 is flywheel mode. Then, with the rotation of the gears engaged with each other, the extension frame 7 on both sides is pushed to move away from each other, at this time the magnetic strips 8 on both sides of the extension frame 7 gradually approach the silicon steel ring 10, the attraction between the magnetic strips 8 on both sides and the silicon steel ring 10 gradually increases, and the jerk feeling of the roller 3 when rolling gradually increases, at this time the mode of the roller 3 is ratchet mode.

[0022] The above has made the exemplary description to the utility model, should indicate is, in not departing from the utility model core situation, any simple deformation, modification or other field technical personnel can not spend the equivalent replacement of creative labor etc. fall into the patent protection range.

Claims

1. A mouse wheel mode switching structure, characterized by: The utility model relates to a portable computer mouse, including first shell, second shell, gyro wheel, pivot, telescopic support, magnetic stripe, optical axis and silicon steel ring, gyro wheel is installed in first shell, gyro wheel is coaxially embedded silicon steel ring in, the inner periphery of silicon steel ring is provided with tooth, telescopic support passes through optical axis, is connected in the both sides of optical axis, the both sides of telescopic support are embedded with magnetic stripe, and magnetic stripe is consistent with the inner periphery tooth of silicon steel ring, telescopic support is installed in second shell, and the axle stick on telescopic support passes through second shell, coaxially connects the lever, one end of the lever is provided with tooth and engages with the big gear fixed on second shell, and the big gear engages with the pinion, and the pinion is coaxially connected with motor, and the motor is installed in second shell, first shell, second shell and gyro wheel are equipped with axle hole respectively, pivot passes through the axle hole of gyro wheel, and both ends are connected with first shell and second shell, and gyro wheel, silicon steel ring and telescopic support are clamped in first shell and second shell.

2. The mouse wheel mode switching structure according to claim 1, wherein: Steel ball is installed in the axle hole of first shell and second shell respectively, pivot passes through the axle hole of gyro wheel, both ends of pivot contact with steel ball, and are connected with first shell and second shell and fixed.

3. The mouse scroll wheel mode switching structure according to claim 1, wherein: One side of first shell is equipped with the clamping slot that communicates with the axle hole of first shell, and the clamping slot is clamped with the elastic sheet and contacts with the steel ball in the axle hole of first shell.

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