CN2831210Y - Portable computer - Google Patents

Abstract

The utility model relates to a portable computer which comprises a main body, a display screen which is used for displaying information and a cursor control unit which controls a cursor position on the display screen. The top of the cursor control unit is provided with a selecting key and a menu key, and the bottom of the cursor control unit is provided with a rolling ball which can enable the cursor position on the display screen to move correspondingly; the main body is provided with a containing groove which can contain the cursor control unit; when the cursor control unit is contained in the containing groove of the main body, the rolling ball which directly controls the cursor control unit can control the cursor position on the display screen. The cursor control unit of the portable computer has the advantages of flexible use and convenient portability.

Description

portable computer

【Technical field】

The utility model relates to a computer, in particular to a portable computer.

【Background technique】

The portable computer was created out of the desire to find a lighter alternative to the desktop computer that was also compatible with the desktop computer. The portable computer reduces the size and weight of the product, and realizes the mobility of the computer in space. The mainstream products of mobile computing are transitioning from the early hand-held type to the more advanced notebook type, which is to meet people's further requirements for lightness and portability.

A common portable computer is shown in FIG. 1 . The portable computer 10 includes a display screen 11 and a main body 12 . The display screen 11 can rotate relative to the main body 12 . The main body 12 is provided with a built-in cursor control unit 13 through which the cursor on the display screen can be moved or selected. Regardless of whether the built-in cursor control unit 13 is a touch panel, a push point stick or a trackball control unit, its operation convenience and flexibility are still inferior to those of an external cursor control unit. Moreover, the built-in cursor control unit 13 is generally disposed directly below the keyboard input area on the main body 12, and it is inconvenient for the user to operate when the keyboard input and cursor control are performed simultaneously. Therefore, when performing more precise operations, such as drawing and other operations, the user often needs to connect an external cursor control unit 14 additionally. The external cursor control unit 14 is connected to the COM, PS/2 or USB interface on the main body 12 through a cable, and the user can place the external cursor control unit in a position that conforms to the operating habits.

Although the external cursor control unit 14 has solved the inconvenient use problem of the built-in cursor control unit 13 of the traditional portable computer 10, when going out to carry, the external cursor control unit 14 needs to be placed separately from the main body 12 of the portable computer 10, which is inconvenient to carry .

In order to overcome the inconvenience of carrying the external cursor control unit, some portable computers provide a groove for accommodating the external cursor control unit next to the built-in cursor control unit on the main body. However, the internal structure of the main body of the portable computer is compact and the space is limited, and it is difficult to realize in actual production the groove that can accommodate the size of the external cursor control unit.

【Content of utility model】

In view of this, a portable computer with a flexible and portable cursor control unit is provided.

A portable computer includes a main body, a display screen for displaying information, and a cursor control unit for controlling the position of the cursor on the display screen; the cursor control unit has a selection key and a menu key, and a bottom that can be used to A rolling ball that moves the cursor position on the display screen; the main body is provided with a storage slot that can accommodate the cursor control unit; when the cursor control unit is stored in the storage slot on the main body, the rolling ball that directly controls the cursor control unit can be Controls the position of the cursor on the display. The cursor control unit of the portable computer is flexible to use and easy to carry.

Compared with the prior art, the portable computer of the utility model provides an accommodating groove for the cursor control unit on the main body, which makes the cursor control unit easy to carry; secondly, when the cursor control unit is accommodated in the main body, it can The ball controls the position of the cursor, and the cursor function unit controls selection and menu operations, which can replace the built-in cursor control units such as touch pads or push rods of traditional portable computers, reduce the components of portable computers and save manufacturing costs; moreover, omit The design of a built-in cursor control unit such as a traditional touch panel or a push point rod makes it easier to implement an accommodating slot in a portable computer body with a compact structure.

【Description of drawings】

FIG. 1 is a perspective view of a conventional portable computer.

Fig. 2 is a perspective view of the first embodiment of the portable computer of the present invention, wherein the cursor control unit is in the released state.

FIG. 3 is a perspective view of the first embodiment of the portable computer of the present invention, wherein the cursor control unit is in a storage state.

Fig. 4 is an exploded view of one structural form of the wire take-up device of the first embodiment of the portable computer of the present invention.

Fig. 5 is a top view of another structural form of the wire take-up device of the first embodiment of the portable computer of the present invention.

Fig. 6 is a perspective view of the second embodiment of the portable computer of the present invention.

【Detailed ways】

Please also refer to FIG. 2 , which is a perspective view of the first embodiment of the portable computer of the present invention. The portable computer 100 includes a display screen 110 , a main body 120 and a cursor control unit 130 . Wherein, the main body 120 is the core part of the portable computer 100, and is the main command execution center; the display screen 110 is pivotally connected to the main body 120 and can rotate relatively, and is used for relevant operation information of the main body 120; the cursor control unit 130 can pass through its bottom The rolling ball 134 (see FIG. 3 ) controls the position of the cursor on the display screen 110, and can perform selection and menu operations through the function keys on its upper part.

A receiving slot 122 is defined on the main body 120 , and the receiving slot 122 can accommodate the cursor control unit 130 . The cursor control unit 130 is connected to the main body through a cable 132 , and the cable 132 transmits the movement track, selection and menu operation of the cursor control unit 130 to the main body 120 . A cursor function unit 124 is arranged beside the accommodating slot 122 to perform selection of the current cursor position and menu operations.

The portable computer 100 also includes a wire take-up device (not shown in the figure), which is arranged in the main body 120, and is used to release and tighten the cable 132 of the cursor control unit 130, so that the cursor control unit 130 can be in the released position. There are two states outside the main body 120 and inside the main body 120 .

Please refer to FIG. 4 , which is an exploded view of an embodiment of the wire take-up device in this embodiment. The wire take-up device 140 includes a coil spring 142 , a rotating shaft 144 and a pin 146 . One end of the coil spring 142 is fixed on the main body 120 , and the other end is fixed on the rotating shaft 144 . Meanwhile, the cable 132 of the cursor control unit 130 is also fixedly connected to the rotating shaft 144 . The rotating shaft 144 can rotate around its own axis. One end of the rotating shaft 144 has an inline slot 145 , and the inline slot 145 matches the shape of the end of the bolt 146 . The pin 146 can be fixed on the main body 120 . Except that the slot at the end of the rotating shaft 144 can be designed as a straight slot, it can also be a cross or other non-revolving structure, and meanwhile, the shape of the end of the latch 146 is changed accordingly.

When the coil spring 142 of the wire take-up device 140 is in the initial state, the cable 132 of the cursor control unit 130 is in a tightened state, and the cursor control unit 130 is accommodated in the receiving groove 122 on the main body 120 . When the cursor control unit 130 is pulled out, the cable 132 is released to drive the rotating shaft 144 to rotate, so that the coil spring 142 is twisted under force. When the cable 132 is released to a suitable length, the pin 146 is inserted into the inline groove 145 on the rotating shaft 144 to fix the position of the rotating shaft 144 and prevent the coil spring 142 from returning to its original state. When recovering the cursor control unit 130 , pull out the plug 146 , the coil spring 142 returns to the initial state and drives the rotation shaft 144 to rotate, so that the cable 132 is wound on the rotation shaft 144 , and the cursor control unit 130 is retracted.

Please refer to FIG. 5 , which is a top view of another embodiment of the wire take-up device in this embodiment. The wire take-up device 150 includes a coil spring 152 , a rotating shaft 154 , a ratchet 156 and a pawl 158 . One end of the coil spring 152 is fixed on the main body 120 , and the other end is fixed on the rotating shaft 154 . The rotating shaft 154 is coaxially fixed with the ratchet 156 and can rotate around its own axis. The cable 132 of the cursor control unit 130 is fixed on the rotating shaft 154 . The ratchet 158 is engaged with the ratchet 156 to realize the unidirectional rotation of the ratchet 156 , and a clutch is provided on the ratchet 158 to control the meshing between the ratchet 158 and the ratchet 156 .

When the coil spring 152 of the wire take-up device 150 is in an initial state, the cable 132 of the cursor control unit 130 is in a tightened state, and the cursor control unit 132 is accommodated in the receiving groove 122 on the main body 120 . When the cursor control unit 130 is pulled out, the clutch engages the ratchet 158 with the ratchet 156 , and the cable 132 is released to drive the rotating shaft 154 and the ratchet 156 to rotate counterclockwise. When the cable 132 is released to a proper length, the recovery torque of the coil spring 152 makes the ratchet 156 tightly engage with the pawl 158 and inhibits the clockwise rotation of the ratchet 156 so that the cable 132 will not retract. When retracting the cursor control unit 130, the clutch separates the pawl 158 from the ratchet wheel 156, and the ratchet wheel 156 and the rotating shaft 154 rotate clockwise under the restoring force of the coil spring 152, so that the cable 132 is wound on the rotating shaft 154, and the cursor control unit 130 can be recover.

Please refer to FIG. 2 again. When the cursor control unit 130 of the portable computer 100 is in the released state, the user can directly operate the cursor control unit 130 to realize the movement and selection of the cursor on the display screen 110 and menu operations.

Please refer to FIG. 3 again. When the cursor control unit 130 of the portable computer 100 is in the storage state, the bottom of the cursor control unit 130 faces upwards, and the user rolls the ball 134 to move the cursor on the display screen 110 and clicks on the side of the storage slot 122. The set cursor function unit 124 realizes selection and menu functions.

With the development of wireless transmission technologies such as infrared transmission and Bluetooth transmission, wireless transmission is becoming more and more popular. Please refer to FIG. 6 , in the second embodiment of the portable computer of the present invention, the wireless transmission technology of infrared transmission or bluetooth transmission is used to transmit signals between the cursor control unit 230 and the main body 220 of the portable computer 200, thus eliminating the need for the first The cable and the cable take-up device in one embodiment make the cursor control unit 230 more flexible in release and use, and are not limited by the length of the cable. When carrying, the user directly puts the cursor control unit 230 into the receiving groove 222 on the main body 220 . In this storage state, the cursor control unit 230 can also perform signal transmission with the main body 220 , so the user can also roll the ball (not shown) on the cursor control unit 230 to move the cursor position on the display screen 210 .

In the first and second embodiments of the present utility model, the cursor function units 124, 224 should be arranged beside the accommodating grooves 122, 222 on the main body 120, 220 for the convenience of the user, or directly arranged in the cursor control unit 130, Next to the rolling ball at the bottom of 230.

The utility model provides an accommodating groove for the cursor control unit on the main body of the portable computer, which makes the cursor control unit easy to carry; secondly, when the cursor control unit is accommodated in the main body, the cursor position is controlled by the rolling ball at the bottom, and the cursor function The unit controls the selection and menu operation, thereby replacing the built-in cursor control unit such as the touchpad or the push point stick of the traditional portable computer, reducing the components of the portable computer and saving the manufacturing cost; moreover, the traditional touchpad or push stick is omitted The design of the built-in cursor control unit such as the point rod makes it easier to implement accommodating slots in the compact portable computer main body.

Claims (9)

1. A portable computer comprising a main body, a display screen for displaying information and a cursor control unit for controlling the position of the cursor on the display screen, which has a selection key and a menu key on the cursor control unit, characterized in that : The bottom of the cursor control unit has a rolling ball that can move the cursor position on the display screen accordingly; the main body is provided with an accommodating groove for the cursor control unit; when the cursor control unit is accommodated in the accommodating groove on the main body , the position of the cursor on the display screen can be controlled by directly controlling the roller ball of the cursor control unit. 2. The portable computer according to claim 1, characterized in that: the main body is further provided with a cursor function unit for realizing selection and menu operation. 3. The portable computer as claimed in claim 2, wherein the cursor function unit is disposed beside the accommodating slot. 4. The portable computer according to claim 1, wherein a cursor function unit for selecting and menu operations is provided at the bottom of the cursor control unit. 5. The portable computer according to claim 3 or 4, wherein the cursor control unit is connected to the main body through a cable. 6 . The portable computer according to claim 5 , further comprising a cable take-up device, which is disposed on the main body and can tighten or release the above-mentioned cable. 7 . 7. The portable computer according to claim 6, wherein the wire take-up device comprises a coil spring and a rotating shaft that can rotate around its own axis, one end of the coil spring is fixed on the main body, and the other end is fixed on the rotating shaft On, the above-mentioned cables are fixedly connected to the rotating shaft. 8. The portable computer according to claim 7, wherein one end of the rotating shaft has an in-line or cross-shaped slot, and the wire take-up device also includes a pin for fixing the rotating shaft, and the end of the pin has an in-line slot. or cross-shaped slots to match the shape. 9. The portable computer according to claim 7, characterized in that: the wire take-up device further comprises a ratchet and a pawl which can engage with the ratchet, the ratchet is coaxially fixed with the rotating shaft, and is fixed to the On the body, the clutch engages and disengages the pawl from the ratchet.

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