CN2708395Y

CN2708395Y - Computer mouse

Info

Publication number: CN2708395Y
Application number: CNU200420073973XU
Authority: CN
Inventors: 张有权; 谢忆欣
Original assignee: Inventec Corp
Current assignee: Inventec Corp
Priority date: 2004-07-06
Filing date: 2004-07-06
Publication date: 2005-07-06
Anticipated expiration: 2014-07-06

Abstract

The utility model relates to a computer mouse which is an improvement for the allocation components of the X rolling shaft and the Y rolling shaft of the computer mouse to avoid the accumulation on the X rolling shaft and the Y rolling shaft. The computer mouse comprises an upper shell, a lower shell, a track ball, a rolling wheel, an X rolling shaft and a Y rolling shaft. The utility model is characterized in that on the inner surface of the lower shell, a scraping piece seat which is provided with a scraping piece is arranged on the other side edge of the track ball which corresponds to the X rolling shaft and the Y rolling shaft. A slit is provided between the edge of the scraping piece and the rolling shafts. Thereby, when the scraping piece contacts the accumulation attached on the rolling shafts, the accumulation is removed by the rotation of the rolling shaft.

Description

Computer mouse

Technical field

The utility model relates to a kind of computer mouse, particularly about a kind of in order to avoid exotic to be attached to the computer mouse structure of roller bearing.

Background technology

Known computer mouse can probably be divided into three kinds of mechanical type, half optical profile type and optical profile types according to its mode that obtains displacement.

Wherein optical profile type is to utilize transistor to replace the mode of trace ball, and obtaining more accurate position, and mechanical type and half optical profile type all are to utilize the trace ball of setting, produce the displacement on X, the Y-axis when rolling.

And on the structural design of present modal mechanical type mouse and half optical mouse, mostly be provided be that the Y type arranges tricycle structure, be respectively the wheel disc of the X axis of rolling of control computer picture cursor, the wheel disc of the Y axis of rolling and the roller that pushes trace ball, and its action principle is: when mouse moves, when trace ball is rolled, drive the wheel disc spins on X, the Y-axis, cause the cursor generation X on the picture, the displacement on the Y-axis, and roller is in order to allow trace ball keep contacting with the X axis of rolling, the close of the Y axis of rolling.

Wherein, the difference of mechanical type mouse and half optical mouse is, in the design of its wheel disc, is to utilize the coding wheel disc in the mechanical type mouse, and is that brush by contact produces corresponding displacement signal during the code wheel disc spins.And half optical mouse, be to utilize grating wheel as wheel disc, in grating wheel when rotation,, the photoelectricity coupling electronic package that is positioned at the grating wheel both sides produces the square-wave signal that the grating wheel that is rotated cuts into, and detects mouse displacement amount and sense of displacement by the number and the phase place of this square-wave signal.

In sum; no matter can find is mechanical type mouse or half optical mouse; all needing to drive the axis of rolling by trace ball rotates to produce displacement signal; and common people use the mouse that trace ball is arranged on the table or when rolling on the mouse pad; exotic regular meeting on the surface of contact is along with the rolling of spin; enter between roller; and be accumulated on the axis of rolling of contact; time one is of a specified duration; just cause obstruction between the two and make the trace ball can't normal rotation, make the user often need dismantle the trace ball or the axis of rolling, but be positioned at mouse inside because of the axis of rolling with cleaning; for the user, easy cleaning not.

The utility model content

In view of the above problems, fundamental purpose of the present utility model is to provide a kind of improvement of computer mouse structure, and it makes things convenient for the user to use, and need not worry to accumulate the problems such as malfunction that caused because of exotic.

That is, fundamental purpose of the present utility model is to provide a kind of improvement of computer mouse structure, and it allows the user need not worry that accumulation because of exotic makes the problem that trace ball can't be rotated.

Another purpose of the present utility model is to provide a kind of improvement of computer mouse structure, makes the user need not dismantle mouse with the cleaning axis of rolling wherein.

A purpose more of the present utility model is to provide a kind of improvement of computer mouse structure, makes exotic can not accumulate on the axis of rolling of trace ball contact.

Therefore, for achieving the above object, the utility model has disclosed a kind of computer mouse, it is at the X-axis axis of rolling in the computer mouse, the improvement of the layout structure of the Y-axis axis of rolling, to avoid exotic to accumulate on this X-axis, on the axis of rolling of Y-axis, include a upper shell, one lower house, one trace ball, one roller, the one X-axis axis of rolling and a Y-axis axis of rolling, it is characterized in that having two on the lower house inner surface of computer mouse scrapes bar, be located at the X-axis axis of rolling and the Y-axis axis of rolling another side respectively with respect to the contact trace ball, this is scraped bar and comprises a scraping blade, one slit, interval when the exotic on being attached to the axis of rolling touches scraping blade thus, can remove this exotic by the rotation of the axis of rolling between the scraping blade edge and the axis of rolling.

For achieving the above object, the utility model has also disclosed a kind of computer mouse, it is at X-axis in the computer mouse, the improvement of Y-axis layout structure, to avoid exotic to accumulate on this X-axis, on the axis of rolling of Y-axis, include a upper shell, one lower house, one trace ball, one roller, the one X-axis axis of rolling and a Y-axis axis of rolling, it is characterized in that computer mouse upper shell inboard has two and scrapes bar, the X-axis axis of rolling and the Y-axis axis of rolling corresponding to this mouse lower house inboard, this is scraped bar and comprises a scraping blade, one slit, interval between the scraping blade edge and the axis of rolling, when the exotic on being attached to the axis of rolling touches scraping blade thus, can remove this exotic by the rotation of the axis of rolling.

Detailed features of the present utility model and advantage will be described in detail in embodiment; its content is enough to make any those of ordinary skill in the art to understand technology of the present utility model and implements according to this, and any advantage relevant with the utility model and purpose can be understood from content, protection domain and accompanying drawing that this instructions disclosed easily.

More than be used to demonstrate and explain the utility model principle about the explanation of the utility model content and following explanation about embodiment, and provide further explanation to the utility model protection domain.

Description of drawings

Figure 1A is applied to the structural perspective of an embodiment of half optical mouse for the utility model;

Figure 1B is the sectional view of the utility model one embodiment among Figure 1A;

Fig. 2 A is the structural perspective that the utility model is applied to another embodiment of half optical mouse; And

Fig. 2 B is the sectional view of this another embodiment of the present utility model among Fig. 2 A.

Wherein, description of reference numerals is as follows:

1 upper shell, 3 lower houses, 5 circuit boards

7 trace balls, 9 grating wheels, 13 twin-core sheet photistors

15 pedestals, 17 axis of rolling, 19 roller portions

19a roller 21 is scraped bar 21a scraping blade

23 upper shells, 25 lower houses, 27 circuit boards

29 trace balls, 31 grating wheels, 33 chip photistors

35 pedestals, 39 axis of rolling, 41 roller portions

41a roller 43 is scraped bar 43a scraping blade

Embodiment

About feature of the present utility model and example, existing conjunction with figs. is elaborated as follows to most preferred embodiment.

See also Figure 1A and Figure 1B, it is respectively structural perspective and the sectional view of the utility model one embodiment.Wherein be as an example with the structure of half optical mouse.

Shown in Figure 1A, this mouse comprises the grating wheel 9 of a upper shell 1, a lower house 3, a circuit board 5, a trace ball 7, X-axis and Y-axis.

Wherein grating wheel 9 places of the grating wheel 9 of corresponding X-axis, Y-axis respectively are provided with a pair of photoelectric coupling assembly that is made of light emitting diode (not shown) and twin-core sheet photistor 13 on the circuit board 5, in order to the position of interpretation mouse, and be converted into electronic signal and be sent in the computing machine.And these two grating wheels 9 are assembled in respectively in the middle of the photoelectric coupling assembly, and are arranged on the pedestal 15 of lower house 3, make grating wheel 9 free to rotate, and the axis of rolling 17 of two grating wheels 9 respectively with tangent contact of spheroid of rubber-coated trace ball 7.

In addition, the ball hole deviation end of the lower house 3 of the axis of rolling 17 of corresponding two grating wheels 9 is provided with a roller portion 19.

The roller 19a of this roller portion 19 is free to rotate and be subjected to the traction of spring, bestows trace ball 7 pushing forces by this roller 19a, and trace ball 7 is kept and the contacting of the axis of rolling 17 always.

So when mouse moves, trace ball 7 is rolled thereupon, and then makes grating wheel 9 follow its rotation, is positioned at the photoelectric coupling assembly of grating wheel 9 both sides, the number and the phase place of the square-wave signal that cuts into by the grating that is rotated just can be differentiated mouse moving direction and amount of movement.

And of the present utility model being characterised in that, two lower house pedestals 15 of the axis of rolling 17 of this grating wheel 9 that is used for X-axis and the grating wheel 9 of Y-axis are other scrapes bar 21 to should the axis of rolling 17 places being provided with respectively, on a scraping blade 21a and this axis of rolling 17 slit is at interval arranged, so exotic on the axis of rolling 17, behind dust accumulation to a thickness, just can contact with scraping blade 21a, and by the rolling of the axis of rolling 17 and be removed, therefore, can reach the effect of not accumulating exotic on the axis of rolling 17.

Shown in Figure 1B, wherein the surface of the plane of this scraping blade 21a and the axis of rolling 17 is an angle, and in practical application, the plane of this scraping blade 21a can be any angle with the surface of the axis of rolling 17.

In addition, also can comprise in the above-mentioned mouse structure and scrape bar, it is located at the roller outer side edges in this computer mouse, and when touching this scraping blade in order to the exotic on being attached to this roller, scraping blade can remove this exotic by the rotation of this roller.

See also Fig. 2 A and Fig. 2 B, it is respectively structural perspective and the sectional view of another embodiment of the utility model.Wherein be as an example with the structure of half optical mouse.

Shown in Fig. 2 A, this mouse comprises the grating wheel 31 of a upper shell 23, a lower house 25, a circuit board 27, a trace ball 29, X-axis and Y-axis.

Wherein grating wheel 31 places of the grating wheel 31 of corresponding X-axis, Y-axis respectively are provided with a pair of photoelectric coupling assembly that is made of light emitting diode (not shown) and twin-core sheet photistor 33 on the circuit board 27, in order to the position of interpretation mouse, and be converted into electronic signal and be sent in the computing machine.And these two grating wheels 31 are arranged on the pedestal 35 of lower house, make grating wheel 31 free to rotate, and the axis of rolling 39 of two grating wheels 31 respectively with tangent contact of spheroid of rubber-coated trace ball 29.

In addition, the ball hole deviation end of the lower house 25 of the axis of rolling 39 of corresponding two grating wheels 31 is provided with a roller portion 41.

The roller 41a of this roller portion 41 is free to rotate and be subjected to the traction of spring, bestows trace ball 29 pushing forces by this roller 41a, and trace ball 29 is kept and the contacting of the axis of rolling 39 always.

So when mouse moves, trace ball 29 is rolled thereupon, and then makes grating wheel 31 follow its rotation, is positioned at the photoelectric coupling assembly of grating wheel 31 both sides, the number and the phase place of the square-wave signal that cuts into by the grating that is rotated just can be differentiated mouse moving direction and amount of movement.

And of the present utility model being characterised in that, in the upper shell inboard, the axis of rolling 39 places of the grating wheel 31 that should be used for X-axis and the grating wheel 31 of Y-axis are provided with respectively scrape bar 43, one scraping blade 43a and this axis of rolling 39 slit is at interval arranged on it, so after the exotic on the axis of rolling 39 is accumulate to a thickness, just can contact with scraping blade 43a and be removed, to reach the effect of not accumulating exotic on the axis of rolling 39 by the rolling of the axis of rolling 39.

Shown in Fig. 2 B, wherein the surface of the plane of this scraping blade 43a and the axis of rolling 39 is an angle, and in practical application, the plane of this scraping blade 43a can be any angle with the surface of the axis of rolling 39.

Moreover, also can comprise another in the above-mentioned mouse structure and scrape bar, it is located at the roller outer side edges in this computer mouse, when touching this scraping blade in order to the exotic on being attached to this roller, can remove this exotic by the rotation of this roller.

In addition, though above-mentioned embodiment of the present utility model is with half optical mouse as an example, in fact, according to the above, the utility model is to can be applicable to any mouse with track-ball structure, for example mechanical type mouse etc.

In sum, the bar of scraping on X wheel disc, Y wheel disc side is located in the utility model utilization, just can utilize the rotation of the axis of rolling to remove exotic on the axis of rolling very easily, and then avoid exotic to accumulate on the axis of rolling, promptly, utilize the utility model, on the axis of rolling that exotic can not accumulate on trace ball contacts, so the user need not worry to make trace ball to rotate because of the accumulation of exotic, therefore the user need not dismantle mouse and just be cleared up the inner axis of rolling yet, and then reaches and make things convenient for the use a computer purpose of mouse of user.

Though preferred embodiment of the present utility model has disclosed as above; right its is not in order to limit the utility model; for those of ordinary skill in the art; in not breaking away from spirit and scope of the present utility model; can do part modification or perfect, therefore protection domain of the present utility model should be as the criterion with the scope of this instructions appending claims.

Claims

1. computer mouse, comprise a upper shell, a lower house, a trace ball, one roller, the one X-axis axis of rolling and a Y-axis axis of rolling, it is characterized in that having two on the lower house inner surface of this computer mouse and scrape bar, be located at this X-axis axis of rolling and this Y-axis axis of rolling respectively with respect to another side that contacts this trace ball, the described bar of scraping respectively comprises a scraping blade, one slit, interval between the described scraping blade edge and the described axis of rolling.

2. computer mouse as claimed in claim 1 is characterized in that, also comprises another and scrapes bar, and it is located at the outer side edges of this roller in this computer mouse.

3. computer mouse, comprise a upper shell, a lower house, a trace ball, a roller, the one X-axis axis of rolling and a Y-axis axis of rolling, it is characterized in that, the upper shell inboard of this computer mouse has two and scrapes bar, and corresponding respectively to this X-axis axis of rolling and this Y-axis axis of rolling setting of this mouse lower house inboard, the described bar of scraping respectively comprises a scraping blade, a slit at interval between the described scraping blade edge and the described axis of rolling.

4. computer mouse as claimed in claim 3 is characterized in that, also comprises another and scrapes bar, and it is located at the outer side edges of this roller in this computer mouse.