KR19990008385U - Key Assembly in Laptop Computers - Google Patents

Abstract

The present invention is a plurality of the arrangement is arranged in the main body of the laptop computer, the pressing plate pressed by the user's finger, the rod extending downward from the pressing plate and one end is in contact with the contact switch of the PCB, and the elastic spring extrapolated to the rod Concerning the key assembly of the laptop computer made of a concave disc-shaped air collecting / discharging member 20 is formed in the position of the elastic spring 13 inserted in the rod 12, the air collecting / discharging member ( 20, a plurality of air passage holes 21 are formed, and the plurality of air passage holes 21 are formed with a plurality of ribs 22 integrated at the center portion 23, and the air portion is formed at the center portion 23. A nipple 24 larger than the passage hole 21 is fixedly attached, and the nipple 24 has the air passage port upward by the air pressure passing through the air passage hole 21 when the rod 12 moves downward. When the yoke 21 is opened and the rod 12 moves upward, the yoke 21 is returned to its original position by the air pressure on the air collecting / exhausting member 20 so as to close the air passage hole 21. In addition, most of the heat generated from the main body can be easily discharged to the outside without affecting the operation of the main body or the key press plate, so that the performance of the computer can be maintained at an optimal state at all times.

Description

Key Assembly in Laptop Computers

The present invention relates to a key assembly of a laptop computer, and more particularly, a laptop computer key capable of easily dissipating heat generated from a main body of a computer called a laptop or a notebook to the outside. To an assembly.

In general, a personal computer is divided into a desktop computer that can be used on a desk and a laptop computer that can be easily carried by a user and used on a lap.

All such computers are typically composed of a computer body, a monitor, and a keyboard. The desktop computer is composed of a main body, a monitor, and a keyboard, while a laptop computer is integrally formed with a body and a keyboard. The monitor is mounted in an open / closed manner.

When the computer is used, heat is generated in the main body of the computer. In order to dissipate such heat, a desktop computer is provided with a plurality of blowing fans on the rear surface of the main body to exhaust the heat.

On the other hand, in the case of a laptop computer, as shown in Figs. 1 and 2, the main body 1 and the keyboard 3 are integrally formed in the lower part, and the monitor 2 is pivotally mounted on one side thereof. Of course, the main body 1 is provided with various components, such as a hard disk driver, a battery insertion port, C / DROM is built-in or withdrawable.

The plurality of key assemblies 4 provided on the keyboard 3 are reciprocally formed, that is, the key assembly 4 is pressed by a user's finger and the pressing plate 5 on which a predetermined letter or function is displayed, A rod 6 extending downward from the pressing plate 5, the one end of which is in contact with the contact switch 8a connected to the PCB 8, and a spring for reciprocating the pressing plate 5 while surrounding the rod 6; 7).

The spring 7 is, of course, supported by a support piece 6a formed on the rod 6 to provide elastic force to the rod 6. The respective key assemblies 4 can also be operated separately from each other. It is installed in the body 1 so that.

However, such a conventional laptop computer does not provide a means for dissipating heat generated in the main body, unlike the desktop computer described above, so that the heat generated in the main body is simply passed through the space between the key assemblies. Only a small amount of heat could be released by natural circulation.

As a result, the computer is used in a state in which heat is not sufficiently released, and the generated heat causes thermal loads on various components constituting the computer body, resulting in malfunction or malfunction, or melting or ignition of components due to overheating. There was a problem that brought about.

Therefore, the present invention has been devised to solve such a problem, and an object of the present invention is to provide a key assembly of a keyboard of a laptop computer which can easily discharge the heat generated from the main body of the laptop computer to maintain the main body in a normal state. It is.

Another object of the present invention is to provide a key assembly of a keyboard of a laptop computer capable of effectively establishing and releasing heat generated from a main body.

This object is achieved by the present invention, according to a preferred embodiment of the present invention, a plurality of the alignment is arranged on the body of the laptop computer, the pressing plate pressed by the user's finger, extending downward from the pressing plate and one end PCB In a key assembly of a laptop computer consisting of a rod contactable to the contact switch, and an elastic spring extrapolated to the rod, a concave disc-shaped air collecting / exhausting member is formed at a position of an upper portion of the elastic spring inserted into the rod. It is characterized by.

1 is a perspective view showing a typical laptop computer.

2 is a cross-sectional view showing the laptop computer key of FIG.

Figure 3 is an exploded perspective view of a key assembly of a laptop computer according to the present invention.

4A and 4B are cross-sectional views each showing the flow of air during operation of the key assembly according to the present invention.

5 is an exploded perspective view of a key assembly according to another embodiment of the present invention.

Explanation of symbols for the main parts of the drawings

10: key assembly 11: pressing plate

12: Rod 13: Spring

20: air collection / exhaust member 21: air passage hole

22: rib 23: center

24: nipple

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 is an exploded perspective view of a key assembly of a laptop computer according to the present invention, Figures 4A and 4B are cross-sectional views showing the flow of air during operation of the key assembly according to the present invention, Figure 5 An exploded perspective view of a key assembly of a keyboard according to another embodiment of the present invention is shown.

First, according to FIGS. 3, 4A and 4B, the key assembly 10 for the laptop computer according to the present invention basically extends downward from the pressing plate 11, the pressing plate 11, and one end thereof contacts the PCB 8. A rod 12 in contact with the switch 8a and a spring 13 inserted into the rod 12 for elasticity of the pressing plate 11 and the rod 12 are included.

In particular, the key assembly 10 according to the present invention is provided with an air collecting / discharging member (20).

In more detail, the rod 12 of the key assembly 10 is provided with a disc-shaped air collecting / discharging member 20, the air collecting / discharging member 20 is pressed by the key assembly 10 While it is not subject to air resistance during the return of the key assembly, it is formed in a dish or parabolic shape to collect and discharge the heat upon return of the key assembly, and also has a constant curvature toward the top and is concave.

The air collecting / exhausting member 20 may be formed of plastic or rubber, and may be formed of a material having some elasticity or elasticity so that the periphery may be slightly contracted when moved downward.

In Figure 5, the rod 12 of the key assembly 10 according to another embodiment of the present invention is also provided with an air collecting / discharging member 20, the air collecting / discharging member 20 a plurality of Passing holes 21 are formed to pass heat generated from the body or the keyboard.

In particular, a plurality of ribs 22 are formed in the through-holes 21, and ends of the ribs 22 are integrally joined at the central portion 23.

The central portion 23 is also attached or fixed to the central portion of the nipple 24 that can completely close the air passage hole 21.

The nipple 24 is preferably formed of a thin plate rubber having flexibility, and is preferably formed to be folded upward when subjected to air pressure, as will be described later in detail.

According to the operation mode of the key assembly according to the present invention, when the user of the laptop computer first presses the pressing plate 11 of the key assembly, the rod 12 is moved downward and the air collecting / exhaust member 20 is also moved downward. do.

As such, when the air collecting / exhausting member 20 is moved downward, the heat generated from the keyboard or the main body passes through the air collecting / exhausting member 20 around the air collecting / exhausting member 20 as shown by the arrow A1. Is collected on the phase.

Thereafter, when the finger is pressed on the pressing plate 11, the rod 12 of the key assembly 10 is moved upward by the elastic force of the spring 13, and at the same time, the air collecting / exhausting member 20 is also moved upward. The heat collected by the air collecting / exhausting member 20 is moved upward and discharged.

Optionally, when the air passage hole 21 is formed in the air collecting / exhausting member 20, when the pressing plate 11 is pressed and the rod 12 is moved downward, the air collecting / exhausting member 20 is also downward. At the same time as the heat is moved to the air collecting / discharging member 20 through the periphery of the air collecting / discharging member 20 as described above, at the same time, each nipple 24 is moved upward by the air pressure As it is folded, heat is collected into the air collecting / exhaust member 20 through the respective air passage holes 21.

Then, when the user removes the finger from the pressing plate 11, the rod 12 is moved upward by the elastic force of the spring 13 and the air collecting / exhausting member 20 is also moved upward while the air collecting / exhausting member Air collected in 20 is discharged.

At this time, each of the air passage holes 21 formed in the air collecting / discharging member 20 is closed by the nipple 24, which is the rod 12 is moved upwards while the air pressure is the nipple 24 This is because each air passage hole 21 is closed by being applied to the upper surface of the nipple 24 so as to sink downward.

Accordingly, when the user releases the finger after pressing the pressure plate, the heat generated from the main body or the keyboard is forced out by the air collecting / exhausting member.

As a result, when the key assembly of the present invention is applied to a laptop computer that does not have a separate heat-dissipating fan, most of the heat generated in the main body can be easily discharged to the outside without affecting the operation of the main body or the key press plate. Keep your computer running at its best.

Although a preferred embodiment according to the present invention has been described above, it will be understood by those skilled in the art that various modifications and changes can be made without departing from the scope of the appended claims.

Claims (3)

A plurality of laptop computers are arranged and arranged on the main body of the laptop computer, the laptop computer consisting of a pressing plate pressed by the user's finger, a rod extending downward from the pressing plate and having one end contacting the contact switch of the PCB, and an elastic spring extrapolated to the rod. In the key assembly of the key assembly of the laptop computer, characterized in that the concave disc-shaped air collecting / discharging member 20 is formed at the position of the elastic spring 13 inserted into the rod 12. . According to claim 1, wherein the air collecting / discharging member 20 is formed with a plurality of air through holes 21, the plurality of air through holes 21, a plurality of ribs 22 are integrated in the central portion (23). And a nipple (24) larger than the air passage hole (21) is fixedly attached to the central portion (23) of the key assembly (10) of the laptop computer. 3. The nipple 24 according to claim 2, wherein when the rod 12 moves downward, the nipple 24 opens the air passage hole 21 upward by the air pressure passing through the air passage hole 21, and the rod ( When the 12 moves upwards, the key assembly 10 of the laptop computer is characterized in that it is returned to its original position by the air pressure on the air collecting / exhausting member 20 to close the air passage hole 21. ).