JPH08152936A - Tilt mechanism for small electronic equipment - Google Patents

Abstract

PURPOSE: To more simply open and close an LCD display part and to stably maintain the state of adjusting a tilt angle. CONSTITUTION: A tilt unit/release bracket housing part 4 is installed turnably at a base part 2, an LCD display part 1 is installed at this housing part 4 and further, a flap 5 for tilt lock is installed turnably at the base part 2. Then, the LCD display part 1 is adjusted at a prescribed angle, the flap 5 is turned and the free end of the flap 5 is fitted to a flap fixing groove 8 of the housing part 4 positioned on the back side of the LCD display part 1 so that the tilt adjusted state can be locked. Besides, when a button 6 for releasing the tilt lock provided at the LCD display part 1 is pressed, a tilt lock releasing bracket 12 is pressed through the lever 11 for releasing the tilt lock and as a result, a rail part 19 for flap guide presses a small roller 18 for flap guide so that the engagement of the flap fixing groove 8 with the flap 5 can be released and the LCD display part 1 becomes tunable to the base part 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tilt mechanism applied to a small electronic device having an LCD display portion.

[0002]

2. Description of the Related Art In recent years, electronic devices have been downsized as a result of miniaturization and high integration of electronic components and the like due to the progress of semiconductor technology. For example, a substrate on which electronic components are mounted, such as a notebook personal computer, 2. Description of the Related Art Electronic devices in which a case including an LCD display device and the like are movably and freely attached to a main body case equipped with a keyboard and the like are becoming popular. In particular, recently, a pen touch type personal computer in which a touch panel is added to the display surface of a display device and information written on the surface by a pen is input as input information has been commercialized.

Further, in accordance with such a tendency, there is also a demand for a tilt mechanism that can more easily open and close the LCD display unit and can provide a stable tilt.

By the way, conventionally, a tilt mechanism having the following structure has been proposed. FIG. 10 is a side sectional view showing the conventional configuration.

In FIG. 10 (a), reference numeral 51 denotes a tilt mechanism, around which the arm 54 and the rotating case 52 supported by the arm 54 rotate. The arrow f indicates the rotating case 52
The rotation direction of the case is shown in FIG.
When it is opened in the f direction of (a), the lower end of the flap 55 pressed in the direction of arrow C by the torsion spring 53 shown in FIG. 10 (b) which is an enlarged view of the portion B of FIG. 10 (a) is a stopper. Proceed while sliding on the upper surface of the 59th row of grooves. Then, when the rotating case 52 is stopped at an arbitrary opening / closing speed, the lower end of the flap 55 is
At that position, as shown in FIG. 10 (a), the rotary case 52 is locked by engaging with one of the plurality of stopper grooves 59.

FIG. 11 is a front sectional view of FIG. 10. Reference numeral 56 denotes a release button and 57 denotes a release bracket, which is integrated with the release button 56, and a release bracket 57 is provided below the release button 56. Since the release bracket 57 rotates about the fulcrum 58, when the release button 56 is pressed in the direction of arrow g,
The upper edge D moves upward, and the stopper groove 59 (see Fig. 10 (a))
From the notch 60 provided in the vicinity of, the flap 55 is pushed upward and the lower end of the flap 55 is pushed up to release the locked state. Reference numeral 61 is a spring for keeping the release bracket 57 in a horizontal state (normal state) when the release button 56 is not pressed.

[0007]

However, in the above structure, the device for releasing the locked state is provided on the base portion supporting the display portion, and when the tilt adjustment is performed, the lock release button is pushed with one hand. Since the operation of the display unit is performed with the other hand, it is inconvenient because the operation cannot be performed with one hand.

Further, the above-mentioned structure is provided with the tilt lock flap and the bracket for releasing the lock, and since the contact point between the flap and the bracket is the end face, they may differ from each other due to friction between each other during operation. It may cause noise or malfunction.

Further, when the LCD display portion is rotated in the vertical or horizontal direction according to the original displayed on the LCD display portion (rotating case), there is no device for fixing in each direction, so that the LCD display portion is Since it rotates freely, it may be accidentally rotated during use, which is dangerous.

The present invention addresses the above problems by using an LC
It is an object of the present invention to provide a tilt mechanism in a small electronic device that can more easily open and close the D display unit and provide a stable tilt.

[0011]

In order to achieve the above object, the present invention provides a small electronic device for maintaining the LCD display unit rotatably provided with respect to a base unit in a rotated position. In a tilt mechanism of a device, a tilt lock flap rotatably attached to the base section, a biasing means for biasing the tilt lock flap in an opening direction, and a tilt mechanism provided on the back side of the LCD display section. A flap fixing groove that engages with a free end of the tilt lock flap, a tilt lock release bracket that is vertically movable with respect to the back surface of the LCD display unit, and a tilt lock release unit that presses the tilt lock release bracket. A tilt lock release button provided on the LCD display section for operating the tilt lock release means, When the tongue is pushed down, the tilt lock releasing means is operated to press the tilt lock releasing bracket, and the engagement state between the free end of the tilt lock flap and the flap fixing groove is released. .

Further, a small roller is provided at the free end of the tilt lock flap, and when the tilt lock release button is pressed, the tilt lock release bracket presses the small roller, so that the tilt lock flap is free. The engagement state between the end and the flap fixing groove is released, and the small roller is rotatably movable on a flap guide rail portion formed on the tilt lock release bracket.

Further, when the LCD display section is rotated to a predetermined position on the tilt lock release bracket, the rotation of the LCD display section is suppressed, and the tilt lock release button is pressed to prevent the tilt lock release bracket from rotating. It is characterized in that a rotation preventing mechanism for releasing is provided.

[0014]

According to the above construction, by pushing the tilt lock releasing button, the tilt lock releasing means is actuated, and the tilt lock releasing bracket is pushed and rotated to move the tilt lock releasing bracket to the free end of the tilt flap. The engagement state with the flap fixing groove can be released. Further, normally, the engagement between the free end of the tilting flap and the flap fixing groove results in a locked state, and the angle of the LCD display unit is maintained.

Since the small roller is provided at the free end of the tilting flap, the small roller rotates on the flap guiding rail portion, so that the tilting flap can be smoothly moved. Like

Also, since the tilt lock and the rotation lock are released in the same manner, there is no fear of erroneous operation.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a perspective view showing an external appearance of an embodiment of the present invention, in which 1 is an LCD display portion, 2 is a base portion, and 3 is a touch panel LCD capable of pen input. LCD display 1
Is equipped with a touch panel LCD3.
The display unit 1 is rotatable with respect to the base unit 2.

FIG. 2 is a rear perspective view of FIG. 1, in which 4 is a tilt unit / release bracket storage portion, 5 is a tilt lock flap, 6 is a tilt lock release button, 7 is a flap storage space, and 8 is a flap fixing. Indicates a groove. A flap storage space 7 is formed in the base portion 2, and a tilt lock flap 5 (hereinafter, simply referred to as flap 5) is rotatably installed in the flap storage space 7. Further, a plurality of flap fixing grooves 8 are formed on the outer surface of the tilt unit / release bracket housing portion 4 facing the flaps 5, and the flaps 5 are further formed.
The elongated hole 9 is formed in the direction along the rotation direction of the.

Then, as shown in FIG. 2, the LCD display unit 1 is rotated to a predetermined angle, and the free end of the flap 5 is engaged with the flap fixing groove 8 on the back side of the LCD display unit 1. The LCD display unit 1 is locked at a predetermined angle. It should be noted that a small flap guiding roller 18 (described later) provided at the free end of the flap 5 enters the slot 9. Further, a flap activating spring 10 is attached to the fixed end of the flap 5 as shown in FIG. 3, and the flap activating spring 10 urges the flap 5 in the opening direction at all times.

FIG. 4 is an explanatory view showing a side surface state of the internal structure of this embodiment, 11 is a tilt lock releasing lever which is rotated by pressing the tilt lock releasing button 6, and 12 is a tilt lock releasing button. 6 is a lever for releasing the tilt lock
By pushing one end of 11 to receive a driving force through the tilt lock releasing lever 11, the tilt lock releasing bracket 13 swings, and 13 is attached to one end of the base portion 2 of the tilt lock releasing bracket 12. One end is rotatably attached to the tilt hinge, 14 is a fulcrum that serves as a rotation center of the tilt lock release lever 11, and 15 is a tilt lock release protrusion provided on the other end of the tilt lock release lever 11. , 16 is a release bracket housing spring for urging the tilt lock release bracket 12 toward the LCD display unit 1, 17 is a rotation preventing groove formed in the LCD display unit 1, and 18 is provided at the free end of the flap 5. Small flap guide roller
(Hereinafter, referred to as a small roller), 19 is a flap guiding rail portion (hereinafter, simply referred to as a rail portion), and 20 is a rotation preventing groove formed on the tilt lock release bracket 12 and engaged with a rotation preventing groove 17. A protrusion, 21 is a flap pressing spring that urges the fixed end of the flap 5 toward the other end of the base portion 2, 22 is a flap movement groove for sliding movement of the fixed end of the flap 5, and 24 is A flap notch formed at the free end of the flap 5 and adapted to engage with the flap fixing groove 8 indicates a display unit support for rotatably attaching the LCD display unit 1 to the tilt unit / release bracket housing 4. .

FIG. 5 is a perspective view showing the structure of the tilt lock release bracket 12, and 23 shows a support portion of the tilt lock release bracket 12. As shown in FIG. 5, the rail portion 19 is formed by bending one side portion of the plate material, and the ear portions formed at both ends of the other side portion are bent, and the supporting portions 23 are formed, whereby the tilt lock is performed. A release bracket 12 is constructed.

FIG. 6 is a plan view showing the installed state of the tilt lock release bracket 12, and 27 shows a shaft for attaching the tilt lock release bracket 12 to the tilt unit / bracket housing part 4 via the support part 23, The tilt lock release bracket 12 is rotatably installed by the shaft 27.

FIG. 7 is a perspective view showing the mounting structure of the small roller 18. By forming the flap notches 24, 24 at the free end of the flap 5, a convex mounting portion is formed at the free end of the flap 5. 25 is formed, and the small roller 18 is attached to the tip of the attachment portion 25.

Next, the tilt adjustment in this embodiment will be described.

When the LCD display unit 1 is raised as shown in FIG. 4 from the time when the LCD display unit 1 is in the state shown in FIG. 8, the flap 5 is held in the flap storage space by the flap raising spring 10 shown in FIG. Passing on the rising flap fixing groove 8 from 7. Here, the free end of the flap 5 is shown in FIG.
When the LCD display unit 1 is stopped at an arbitrary position, the flap notch 24 portion of the flap 5 and the flap fixing groove 8 are meshed and locked at that position as shown in FIG. .

To release the lock, when the tilt lock releasing button 6 is pushed in the direction of the arrow as shown in FIG. 4, one end of the tilt lock releasing lever 11 is pressed, and the tilt lock releasing lever 11 moves the fulcrum portion 14 to the fulcrum portion 14. Rotate around the center, and at the other end, the tilt lock release protrusion 15 has a tilt lock release bracket.
It moves to the 12 side, and the tilt lock release bracket 12 is pressed at the portion A in FIGS. 4 and 6. At this time, the tilt lock release bracket 12 can be swung about the shaft 27 as shown in FIG.
Since it is attached to, the result is that only the rail part 19 is pushed out.

The flap 5 is always pressed in the direction of the arrow by the flap pressing spring 21, and the fulcrum of the flap 5 can move in the range of the flap moving groove 22. As a result, when the rail portion 19 of FIG. 9 pushes the small roller 18,
The flap 5 moves to the rear of the flap moving groove 22 shown in FIG. 4, and the flap 5 is disengaged from the flap fixing groove 8 to be unlocked and free. Then, when the LCD display 1 is tilted down with the flap 5 free, the small roller 18
Can trace the rail portion 19 and return to the state shown in FIG. Further, after releasing the lock, when the LCD display unit 1 is stopped at any position and the tilt lock releasing button 6 is released, the tilt lock releasing bracket 12 is pushed by the release bracket storing spring 16 and the small roller 18 and the rail unit 19 are pushed. And the flap 5 and the flap fixing groove 8 mesh again,
It is locked.

By the way, as shown in FIG. 6, two rotation preventing grooves 17 are formed on the back surface of the LCD display unit 1 so as to have a positional relationship of 90 ° with respect to the display unit support 26. Has been done. Note that, for convenience of description below, the two rotation preventing grooves 17, 17 will be referred to as rotation preventing grooves 17a, 17b.

When the flap 5 is in the locked state, the anti-rotation projection 20 enters the anti-rotation groove 17a as shown in FIG. 4 to prevent the LCD display unit 1 from rotating. If you perform the same operation as unlocking from this state,
Since the rotation preventing protrusion 20 is fixed to the tilt lock releasing bracket 12, when the tilt lock releasing bracket 12 is pushed down by the tilt lock releasing lever 11, the rotation preventing protrusion 20 also separates from the rotation preventing groove 17a, and the LCD The rotation inhibition state of the display unit 1 is released. here,
The center of rotation of FIG.
When the LCD display unit 1 is rotated, the rotation preventing groove 17b rotates on the rotation preventing protrusion 20 as shown in FIG. 6 (b). When the tilt lock release button 6 is released here, the tilt lock release bracket 12 is pushed by the release bracket storing spring 16 and the rotation preventing projection 20 enters the rotation preventing groove 17b to lock the rotation of the LCD display unit 1. The flap 5 is also locked at the same time.

[0031]

According to the present invention constructed as described above, the following effects can be obtained. According to the configuration of claim 1, by pressing the tilt lock release button provided on the LCD display unit, the engagement state between the free end of the tilt lock flap and the flap fixing groove can be released. It becomes possible to easily perform tilt adjustment with one hand.

According to the second aspect of the invention, since the small roller is provided at the free end of the tilt lock flap, the tilt lock flap can be smoothly moved. It is possible to reduce the occurrence of abnormal noise and malfunction due to friction or the like.

According to the third aspect of the invention, since the tilt lock and the rotation lock are released in the same manner, there is no fear of erroneous operation.

[Brief description of drawings]

FIG. 1 is a perspective view showing an appearance of an embodiment of the present invention.

FIG. 2 is a rear perspective view of FIG.

3 is a side view showing a structure near a fixed end of a flap 5 in FIG.

FIG. 4 is an explanatory diagram showing a side surface state of the internal configuration of the present embodiment.

5 is a perspective view showing the configuration of a tilt lock release bracket 12. FIG.

FIG. 6 is a plan view showing an installed state of a tilt lock release bracket 12.

FIG. 7 is a perspective view showing a mounting structure of a small roller.

FIG. 8 is an internal configuration diagram showing a stored state of the LCD display unit 1.

FIG. 9 is a side view showing a tilt lock state.

FIG. 10 is an internal side view showing the configuration of a conventional tilt mechanism.

FIG. 11 is an internal configuration diagram showing a lock release mechanism in a conventional tilt mechanism.

[Explanation of symbols]

1 ... LCD display part, 2 ... Base part, 3 ... Touch panel LCD, 4 ... Tilt unit / release bracket storage part, 5 ... Tilt lock flap, 6 ... Tilt lock release button, 7 ... Flap storage space, 8 ...
Flap fixing groove, 9 ... Long hole, 10 ... Spring for starting flap, 11 ... Tilt lock release lever, 12 ...
Tilt lock release bracket, 13 ... Tilt hinge part, 14 ... Support point part, 15 ... Tilt lock release protrusion,
16 ... Release bracket storage spring, 17 ... Rotation prevention groove, 18 ... Flap guide small roller, 19 ... Flap guide rail part, 20 ... Rotation prevention protrusion, 21 ... Flap pressing spring, 22 ... Flap movement groove,
23 ... Support, 24 ... Flap notch, 26 ... Display support, 27 ... Shaft, 51 ... Tilt mechanism, 52 ... Rotating case,
53 ... torsion spring, 54 ... arm, 55 ... flap, 56 ... release button, 57 ... release bracket,
58 ... fulcrum, 59 ... stopper groove, 60 ... notch, 61 ... spring.

Claims (3)

[Claims] 1. A tilt mechanism in a small electronic device for maintaining an LCD display unit, which is rotatably provided with respect to a base unit, in a rotated position, the tilt mechanism being rotatably attached to the base unit. A lock flap, an urging means for urging the tilt lock flap in an opening direction, a flap fixing groove provided on the back side of the LCD display section and engaged with a free end of the tilt lock flap,
A tilt lock release bracket provided to be movable up and down with respect to the back surface of the LCD display unit, a tilt lock release means for pressing the tilt lock release bracket, and an LCD display unit for operating the tilt lock release means. A tilt lock release button provided, and by pressing the tilt lock release button, the tilt lock release means is actuated to press the tilt lock release bracket, and the tilt lock release bracket is pressed against the free end of the tilt lock flap. A tilt mechanism in a small electronic device, which is configured to release an engagement state with a flap fixing groove. 2. A small roller is provided at a free end of the tilt lock flap, and when the tilt lock release button is pressed, the tilt lock release bracket presses the small roller, so that the tilt lock flap is free. 2. The engagement state between the end and the flap fixing groove is released, and the small roller is rotatably movable on a flap guide rail portion formed on the tilt lock release bracket. Tilt mechanism for small electronic devices. 3. The tilt lock release bracket prevents the LCD display part from rotating when the LCD display part is rotated to a predetermined position, and also presses the tilt lock release button to bring the tilt lock release bracket into a suppressed state. The tilt mechanism in the small electronic device according to claim 1, further comprising a rotation preventing mechanism for releasing the rotation.