阅读说明：本技术 一种圆球及其固定架结构 (Ball and fixing frame structure thereof ) 是由 穆中豪 于 2018-08-16 设计创作，主要内容包括：本发明公开一种圆球及其固定架结构,包括圆球、支撑架,支撑架用于支撑圆球,所述圆球能够转动,在圆球与支撑架的贴合处,所述支撑架的端面为凸面,所述凸面的圆心与所述圆球圆心分别位于所述贴合处切线的两边；采用此种结构的计算机输入设备的光标控制器及其固定架,能使如轨迹球类的光标控制器的转动灵活,提高了手感的舒适性,减小了手的疲劳度,降低了鼠标手的发生率。(The invention discloses a ball and a fixing frame structure thereof, which comprises a ball and a supporting frame, wherein the supporting frame is used for supporting the ball, the ball can rotate, the end surface of the supporting frame is a convex surface at the joint of the ball and the supporting frame, and the circle center of the convex surface and the circle center of the ball are respectively positioned at two sides of the tangent line of the joint; the cursor controller of the computer input device and the fixing frame thereof adopting the structure can flexibly rotate the cursor controller such as a trackball, improve the comfort of hand feeling, reduce the fatigue of hands and reduce the incidence rate of mouse hands.)

1. The utility model provides a ball and mount structure thereof, includes ball, support frame, and the support frame is used for supporting the ball, the ball can rotate its characterized in that: the end face of the support frame is a convex surface at the joint of the ball and the support frame, and the circle center of the convex surface and the circle center of the ball are respectively positioned at two sides of a tangent line of the joint.

2. The round ball and its holder structure according to claim 1, wherein:

the support frame is an annular column, the end face of the annular column is a convex curved surface, and the convex curved surface is attached to the ball.

3. The round ball and its holder structure according to claim 1, wherein:

the support frame comprises at least three pillars, the end face of each pillar is a convex curved surface, and the convex curved surfaces are attached to the balls.

4. The round ball and its holder structure according to claim 1, wherein:

the end surface of the support frame is a circular convex surface or a cylindrical convex surface; the circular convex surface is the entirety of the second sphere or a portion of the second sphere.

5. The round ball and its holder structure according to claim 4, wherein:

the second sphere can move or rotate along the center of a circle, or the cylinder can move or rotate along the axis of the cylinder.

6. The round ball and its holder structure according to claim 1, wherein:

when the radius of the convex surface of the support frame is far larger than that of the ball, the convex surface of the support frame is approximately a plane at the joint.

7. The sphere and its holder structure according to any one of claims 1-6, wherein: still include the locating rack, the locating rack is used for preventing the ball aversion, the support frame with the locating rack combines to be used for fixing the ball, the terminal surface of locating rack is the convex surface, the convex surface is laminated with the ball mutually.

8. The round ball and its holder structure according to claim 7, wherein: the joint 1 of the support frame and the ball and the joint 2 of the positioning frame and the ball are respectively positioned at different parts of the ball, so that the ball can only rotate without moving.

9. A computer input device according to claim 8, wherein:

the computer input equipment comprises a cursor controller and a cursor controller fixing frame, wherein the cursor controller is a ball, and the joint of the ball and the cursor controller fixing frame is a convex curved surface.

10. A computer input device as recited in claim 9, wherein: the cursor controller spacer is part of the housing of the input device.

Technical Field

The invention relates to a ball and a fixing frame structure thereof, in particular to a track ball fixing frame structure in computer input equipment.

Background

The round ball and the fixing frame thereof are applied in many occasions, generally, the round ball is clamped between the supporting frame and the positioning frame, the joint of the supporting frame, the positioning frame and the round ball is very small for ensuring the rotation requirement of the round ball, the joint surface of the supporting frame and the round ball adopts a concave surface for the stability of the round ball, as shown in figure 1, the joint of the fixing frame 20, 30 and the round ball 10 is a concave surface, the concave surface structure increases the resistance of the round ball during rotation, so that the rotation of the round ball becomes inflexible, especially in computer input equipment, such as a track ball of a mouse or a round ball for realizing cursor positioning in integrated input equipment, the round ball is clamped between the supporting frame and the positioning frame, and the joint of the supporting frame and the round ball mostly adopts a concave surface structure, so that the rotation resistance is relatively large, and whether the round ball rotates flexibly or not determines the experience of a user, also determines the range of use of the computer input device.

The resistance between the ball and the support frame and the positioning frame is reduced, so that the ball can rotate flexibly, and the problem to be solved urgently at present is solved.

Disclosure of Invention

The invention aims to solve the problem of large resistance when the ball rotates, and the joint of the support frame, the positioning frame and the ball is designed to be a convex surface, so that the rotation flexibility of the ball is improved.

The technical problem of the invention is solved by the following technical scheme:

the utility model provides a ball and mount structure thereof, includes ball, support frame, and the support frame is used for supporting the ball, the ball can rotate, and in the laminating department of ball and support frame, the terminal surface of support frame is the convex surface, the centre of a circle of convex surface with the ball centre of a circle is located respectively the tangential both sides of laminating department.

Preferably, the support frame is an annular column, the end face of the annular column is a convex curved surface, and the convex curved surface is attached to the ball.

Preferably, the support frame comprises at least three pillars, the end surface of each pillar is a convex curved surface, and the convex curved surfaces are attached to the round balls.

Preferably, the end surface of the support frame is a circular convex surface or a cylindrical convex surface; the circular convex surface is the entirety of the second sphere or a portion of the second sphere.

Preferably, the second spherical ball is movable or rotatable about a center of the circle, or the cylinder is movable or rotatable about an axis of the cylinder.

Preferably, when the radius of the convex surface of the support frame is far larger than that of the spherical ball, the convex surface of the support frame is approximately a plane at the joint.

Preferably, still include the locating rack, the locating rack is used for preventing the ball aversion, the support frame with the locating rack combines to be used for fixing the ball, the terminal surface of locating rack is the convex surface, the convex surface is laminated with the ball mutually.

Preferably, the joint 1 between the support frame and the ball and the joint 2 between the positioning frame and the ball are respectively located at different positions of the ball, so that the ball can only rotate without moving.

Preferably, the computer input device comprises a cursor controller and a cursor controller fixing frame, wherein the cursor controller is a round ball, and the joint of the round ball and the cursor controller fixing frame is a convex curved surface.

Preferably, the cursor controller spacer is part of the housing of the input device.

Compared with the prior art, the invention has the advantages that:

the sphere fixing frame structure provided by the invention adopts the structure that the joint of the sphere is convex, the joint of the sphere and the fixing frame is changed from concave to convex, the joint area of the sphere and the fixing frame is reduced, the resistance of the sphere during rotation is reduced, and the rotation flexibility of the sphere is increased.

Drawings

FIG. 1 is a schematic view of a ball and a holder according to the prior art;

FIG. 2 is a schematic diagram of a structure shown in one embodiment of the present disclosure;

FIG. 3 is a schematic diagram of a structure shown in another embodiment of the present disclosure;

fig. 4 is a schematic diagram of a structure shown in yet another embodiment of the present disclosure.

Detailed Description

In the following description, numerous details are set forth to provide a more thorough explanation of embodiments of the present disclosure. It will be apparent, however, to one skilled in the art that embodiments of the invention may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form, rather than in detail, in order to avoid obscuring embodiments of the present disclosure. Furthermore, features of different embodiments described below may be combined with each other, unless specifically stated otherwise.

Fig. 2 shows one of the structural diagrams of the round ball and the round ball holder, which includes a round ball 10 and ball holders 20, 30.

Support frame 20, 30 are used for supporting the ball 10, and the ball 10 is placed on support frame 20, 30, and the ball 10 can rotate, and at the laminating department A1/A of ball support frame 20 and ball 10, the terminal surface of ball support frame 20 is the convex surface, and at the laminating department B1/B of ball support frame 30 and ball 10, the terminal surface of ball support frame 30 is the convex surface, the centre of a circle of convex surface and the centre of a circle of ball 10 are located the both sides of laminating department tangent line A1/A, B1/B respectively, and the curved surface of laminating department A1/A, B1/ B support frame 20, 30 is promptly relative with the ball curved surface the tangent line of laminating department all is the convex surface. Namely, the curved surfaces of the supporting frames 20 and 30 at the joint part and the tangent line of the spherical curved surface at the joint part are convex surfaces.

In another embodiment of the present invention, the substrate is,

when the radius of the convex surface of the support 20, 30 is much larger than the radius of the ball 10, the convex surface of the support is approximately flat at the joint with the ball.

In another embodiment of the present invention, the substrate is,

the cages 20, 30 may be two cross-sections of an annular cylindrical cage, or may be two cross-sections of at least three cylindrical cages.

The support frames 20, 30 are part or cross sections of an annular column, the end face of which is a convex curved surface that is attached to the ball.

The support frame comprises at least three pillars, the end face of each pillar is a convex curved surface, and the convex curved surfaces are attached to the balls.

In another embodiment of the present invention, the substrate is,

the end face of the support frame is spherical, the spherical structure of the end face can be the whole sphere or a part of the sphere, and the sphere 10 is attached to the spherical surface.

Or the end surface of the support frame is a cylindrical surface, and the ball 10 is attached to the cylindrical surface.

The circular convex surface can move or rotate along the center of a circle, or the cylindrical convex surface can move or rotate along the axis of the cylinder.

In another embodiment of the present invention, the substrate is,

as shown in fig. 3, the end face of the supporting frame 20 includes the whole ball 40, the ball 40 can rotate around the ball center, the ball 40 also rotates correspondingly when the ball 10 rotates, similarly, the end face of the supporting frame 30 includes the ball 50, the ball 50 can rotate around the ball center, the ball 50 also rotates correspondingly when the ball 10 rotates, the diameters of the balls 40 and 50 are smaller than the diameter of the ball 10, and the resistance when the ball 10 rotates can be further reduced by arranging the rotatable ball on the end faces of the supporting frames 20 and 30, so that the rotation flexibility of the ball 10 is increased.

Of course, the diameter of the spherical balls 40 and 50 may be equal to or larger than the diameter of the spherical ball 10. Only with this structure, the volume of the product is increased, which is not favorable for reducing the cost.

The circles 40, 50 in FIG. 3 may also be in the form of a cylinder having a cylindrical surface that conforms to the ball 10, the cylinder being rotatable about the axis of the cylinder to also reduce drag on the rotation of the ball 10.

When the support frame is in an annular support structure, a plurality of rotatable or/and movable balls with the diameter smaller than that of the ball 10 are arranged on the end surface of the annular support, and the balls on the end surface are attached to the ball 10.

When the support frame is a structure comprising at least three pillars, at least one rotatable ball is arranged on the end surface of each pillar, and the ball on the end surface is attached to the ball 10.

In another embodiment, as shown in figure 4,

the ball fixing frame further comprises a positioning frame for preventing the ball from moving, the positioning frame comprises positioning columns 60 and 70, the supporting frame and the positioning frame are combined and used for fixing the ball, the end face of the positioning frame is a convex face, and the convex face is attached to the ball so as to reduce resistance when the ball rotates.

The positioning frame and the support frame have the same or different structures, but the joint parts of the positioning frame and the support frame and the spherical ball have convex structures, and the radiuses of the convex surfaces are the same or different.

The joint 1 of the support frame and the ball and the joint 2 of the positioning frame and the ball are respectively positioned at different parts of the ball, so that the ball can rotate and cannot move.

In another embodiment of the present invention, the substrate is,

in computer input equipment, such as a track ball mouse and keyboard mouse integrated structure, and spheres in the track ball and keyboard mouse integrated structure are all cursor controllers, the cursor controllers need a support frame for supporting, and need a positioning frame for preventing the displacement of the cursor controllers, and the support frame and the positioning frame are combined to fix the cursor controllers which can rotate but cannot move.

The laminating department of support frame, locating rack and cursor controller is the convex surface structure, sets up laminating department into the convex surface structure, has reduced the contact surface of support frame, locating rack and cursor controller, and when cursor controller rotated, the pivoted resistance was unanimous with the tangent line of convex surface to resistance when cursor controller rotated has been reduced. The flexibility of the rotation of the cursor controller is increased, the rotation of the cursor controller is flexible, the comfort of hand feeling is improved, the fatigue of hands is reduced, and the incidence of mouse hands is reduced.

As mentioned above, the convex structures of the supporting frame and the positioning frame are annular pillars, or include at least three pillars; the convex structure is a convex structure on the end face of the annular strut, or a convex structure on the end faces of at least three struts.

The convex surface structure is spherical, the spherical structure can be the whole sphere or a part of the sphere, and the cursor controller is attached to the spherical surface.

Or the convex structure is a cylindrical cylinder, and the cursor controller is attached to the cylindrical cylinder.

The spherical convex surface can move or rotate along the center of the sphere, or the cylindrical convex surface can move or rotate along the axis of the cylinder.

When the radius of the convex surfaces of the support frame and the positioning frame is far larger than that of the cursor controller, the joint of the support frame and the positioning frame with the cursor controller is approximately a plane.

In another embodiment of the present invention, the substrate is,

the cursor controller spacer is part of the housing of the input device. That is, the cursor controller spacer is provided on the housing of the input device.

The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.