JPH086718A - Cleaning structure of information input device - Google Patents

Abstract

PURPOSE:To provide the cleaning structure of the information input device which can effectively prevent an error in information input by evading the arrangement of a complex cleaning means in the information input device and making the movement on a console surface smooth. CONSTITUTION:The information input device (e.g. mouse) is held movably on the console surface so that part of a ball 3 is exposed in a detachable lid plate 7, and at least at the peripheral part of the ball 3 which is exposed in the lid plate 7, an annular seal member 8 which slides on the console surface is provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning structure for an information input device, and more particularly, when a mouse (registered trademark) is used, the surfaces of balls and driven rollers, which are main components, are cleaned. The present invention relates to a cleaning structure of an information input device for maintaining it.

[0002]

2. Description of the Related Art In an information input device such as a graphic input device or a computer, a ball 3 is exposed from a bottom plate 2 of the information input device 1 as shown in FIGS. It is designed to move on the tabletop following. With the movement, the ball 3 is rotated, and the driven rollers 4 and 4 that rotate in contact with the ball 3 are connected to the flanges 5 and 5, respectively. Is detected using. As described above, the output signals of the sensors 6 and 6 generated by the rotation of the ball 3 detect the movement distances and movement directions in the X-axis direction and the Y-axis direction, and input information to a computer or the like.

When the information input device 1 is moved on the tabletop, if the tabletop is contaminated by fine dust or dirt, the dust or dirt mentioned above may be generated on the surfaces of the balls 3 and the driven rollers 4, 4. , Attached to an internal drive mechanism or the like to cause excessive movement torque of the information input device 1 to obstruct smooth movement and to generate an input error,
The function of the information input device 1 may be deteriorated.

Therefore, as a cleaning structure of the information input device,
As shown in FIG. 7, a blower means S for blowing air toward the outside of the device is provided inside the information input device M to prevent foreign matters such as dust from entering the inside of the information input device M, and to prevent balls and driven rollers. It is known that the surface of the above is kept clean (Japanese Utility Model Publication No. 63-92946).

[0005]

However, the above-mentioned conventional structure is effective in maintaining the surfaces of the balls and the driven rollers in a clean state, but since the air blowing means is housed inside the information input device, It has the drawback of increasing the required space and complicating the internal structure.

The present invention has been made in order to solve the above-mentioned problems of the prior art, and avoids disposing a complicated cleaning means inside the information input device, and allows the desk top surface to be installed. An object of the present invention is to provide a cleaning structure for an information input device that can smoothly move and effectively prevent an error in information input.

[0007]

In order to achieve the above object, the present invention exposes a part of a ball from a removable lid plate and holds it so as to move the table surface, and exposes it from the lid plate. At least the peripheral portion of the formed ball is provided with an annular seal member which is in sliding contact with the table top surface.

Further, a cleaning member for exposing a part of the ball from the bottom plate so as to move the table surface, keeping contact with the driven roller rotating in contact with the ball, and cleaning the surface of the driven roller. And the bottom plate is provided with a dust discharge port that is opened in the peripheral portion of the cleaning member attachment portion.

[0009]

According to the present invention, when the information input device is moved on the tabletop, a seal member slidingly contacting the tabletop prevents foreign matters such as dust on the tabletop from entering the inside of the device. It is possible to keep the surface clean.

Further, since foreign matters such as dust adhering to the driven roller are separated by sliding contact with the cleaning member and discharged from the dust discharge port, the surfaces of the driven roller and the ball should always be kept in a clean state. You can

[0011]

Embodiments of the present invention will be described below with reference to FIGS. A mouse will be described as an example of the information input device. FIG. 1 shows an embodiment of the present invention (first
(Embodiment) FIG. 2 is a perspective view of the lower surface of the mouse, FIG. 2 is a cross-sectional view of a main part of the cleaning structure of the mouse, FIG. 3 is an internal perspective view of a mouse showing another embodiment of the present invention, and FIG. FIG. 7 is a cross-sectional view of a main part of a mouse cleaning structure, in which members common to those shown in FIGS.

In FIGS. 1 and 2, a part of the ball 3 is exposed on the removable cover plate 7 of the mouse 1a.
The edge portion 7a of the is inserted into the groove 2a of the bottom plate 2 to facilitate the mounting of the ball 3 in the mouse 1a.

An annular seal member 8 is provided on the lid plate 7, and the outer diameter of the seal member 8 is provided inside the outer diameter of the lid plate 7. The seal member 8 is made of a fibrous material that is relatively soft and has a low frictional resistance. One surface of the seal member 8 and the lid plate 7
And are attached by using a commonly used adhesive means.

The other surface of the seal member 8 is in sliding contact with the table top surface 9, and the table top surface 9 is moved when the mouse 1a is moved on the table top surface 9.
It is possible to prevent foreign matter such as dust from entering the inside of the mouse 1a due to the sliding contact of the seal member 8, and the surface of the ball 3 can be constantly maintained in a clean state. Then, avoiding disposing a complicated cleaning means inside the mouse 1a, the mouse 1a is simplified and uses a small structure.
It has great effects such as smooth movement on the desk surface 9 and effective prevention of information input error.

FIGS. 3 and 4 are views showing another embodiment (second embodiment) of the present invention. In the mouse 1b of FIGS.
Reference numeral 11 denotes a cleaning member. The cleaning member 11 is erected so as to be positioned between the driven roller 4 and the cleaning member mounting portion 11a of the bottom plate 2, and the cleaning member 11 has a rectangular cross section and is made of a material. Is composed of a member that is relatively hard and has a low frictional resistance. And this cleaning member 1
The top of 1 is in contact with the surface of the driven roller 4, and the bottom of the cleaning member 11 is fixed to the seat of the cleaning member mounting portion 11a.

The bottom plate 2 has the above-mentioned cleaning member mounting portion 11
A dust discharge port 1 consisting of slits and other openings around the periphery of a
2 are provided. When the mouse 1b is moved on the tabletop 9, the ball 3 and the driven roller 4 are rotated as indicated by arrows.

When there is a foreign matter such as paper or dust on the tabletop 9, the foreign matter passes through the gap between the cover plate 7 and the ball 3 and enters the inside of the mouse 1b to reach the surface of the ball 3 and the driven roller 4. Although attached, the foreign matter is separated by the cleaning action of the sliding contact with the cleaning member 11 and descends as shown by the arrow A, and is discharged from the dust discharge port 12 to the outside of the mouse 1b. In this way, the surface of the driven roller 4 is cleaned,
It is possible to maintain a clean state at all times. Then, by avoiding disposing a complicated cleaning means inside the mouse 1b, the mouse 1b can be easily moved on the desk surface 9 by using a small structure, and an error in information input can be effectively prevented. A great effect is achieved.

Although the preferred embodiment of the present invention has been described in detail above, the present invention is not limited to this.
Obviously, various modifications can be made without departing from the scope of the present invention. For example, it goes without saying that the cleaning effect is further improved by adopting a structure in which the above-described first embodiment and second embodiment are combined.

[0019]

As described above, according to the present invention, a part of the ball is exposed from the detachable lid plate and is held so as to move the table surface, and the amount of the ball exposed from the lid plate is reduced. In addition, since the annular seal member is provided in the peripheral portion so as to be in sliding contact with the table top surface, it is possible to prevent foreign matter such as dust from entering the apparatus when the information input device is moved and operated on the table top surface.

Further, a cleaning member which holds a part of the ball exposed from the bottom plate so as to move on the table top, keeps contact with the driven roller rotating in contact with the ball, and cleans the surface of the driven roller. Since the bottom plate is provided with a dust discharge port that is opened around the cleaning member mounting portion, foreign matter such as dust that has entered the information input device is separated from the driven roller by the cleaning member and the driven roller. It is possible to keep the surface of the ball and ball always clean.

[Brief description of drawings]

FIG. 1 is a perspective view of a lower surface of an information input device showing an embodiment of the present invention.

FIG. 2 is a cross-sectional view of essential parts of the cleaning structure of the above embodiment.

FIG. 3 is an internal perspective view of an information input device showing another embodiment of the present invention.

FIG. 4 is a sectional view of a main part of the cleaning structure of the embodiment of FIG.

FIG. 5 shows a conventional example, (a) is a perspective view of the upper surface,
(B) is a perspective view of the lower surface.

FIG. 6 is a conventional internal perspective view.

FIG. 7 is a diagram showing another example of the conventional technique.

[Explanation of symbols]

 1a, 1b mouse (information input device) 2 bottom plate 3 ball 4 driven roller 7 lid plate 8 sealing member 9 tabletop 11 cleaning member 12 dust outlet

Claims (2)

[Claims] 1. A part of a ball is exposed from a detachable lid plate and is held so as to move the table surface, and at least a peripheral portion of the ball exposed from the lid plate is brought into sliding contact with the table surface. A cleaning structure for an information input device, comprising an annular seal member. 2. A cleaning member for exposing a part of a ball from a bottom plate and holding it so as to move a table surface, keeping contact with a driven roller which rotates in contact with the ball, and cleaning a surface of the driven roller. A cleaning structure of the information input device, wherein: the bottom plate is provided with a dust discharge port that is opened in a peripheral portion of the cleaning member mounting portion.