JPH02248987A - Rotating and slanting mechanism of electronic equipment - Google Patents

Abstract

PURPOSE:To uniformize operating forces for rotation and slanting and to reduce the size and improve the operability by providing the integrated mechanism which operates separately by a column and shafts for the rotation and slanting. CONSTITUTION:The hollow column 3 is provided on the top surface of a lower base 1, a rotation hole 29 wherein the hollow column 3 of the lower base 1 can be mounted and a couple of shafts 27 for slanting and moving a device main body 2 are provided in the center of a tilt base 7, and the device main body 2 is provided with a couple of lock parts 20 which engage the shafts 27 of the tilt base. Then, the device main body 2 is supported rotatably by the engagement between the hollow column 3 on the top surface of the lower part 1 and the rotation hole engagement part 29 of the tilt base 7 and the device main body 2 is supported in an inclinable state by the engagement be tween the couple of shafts 27 provided on the tilt base 7 and the engagement parts 20 provided to the device main body 2. Consequently, the device main body can be rotated and slanted with the uniform operating forces without being moved and the rotating and slanting mechanism can be reduced in size on the whole.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a rotating and tilting mechanism for an electronic device, and particularly to a rotating and tilting mechanism for a display section of an electronic device including a display device.

[Prior Art] As a prior art related to a rotating and tilting mechanism of a display section of an electronic device equipped with a display device, for example, Japanese Patent Application Laid-Open No. 1978-1981 discloses
Techniques described in Publication No. 4, Japanese Utility Model Application Publication No. 63-43223, etc. are known.

Hereinafter, an example of this kind of conventional technology will be explained with reference to the drawings.

FIG. 11 is a sectional view showing an example of a rotary and tilting mechanism according to the prior art. In FIG. 11, 39 is a lower stand, 40 is a main body of the device, 41 is a convex portion, 42 is a concave portion, 43 is a column, and 44 is a concave portion.
is a power cable, 45 is a signal cable, 46 is a holding plate,
47 is a device component, and 49 is a slider.

The rotation and tilting mechanism according to the prior art shown in FIG.
A recess 42 provided in a lower base 39 that supports the main body of the apparatus is constituted by a slider 49 slidably engaged with each other via a support 43. Further, a presser plate 46 is provided on the device main body side of the convex portion 41 provided on the device main body 40.

A space is formed between the presser plate 46 and the convex portion 41 to accommodate the extra lengths of the power cable 44 and the signal cable 45. A power cable 44 for supplying the necessary power inside the device main body 40 and a signal cable 45 for inputting and outputting signals to and from the inside of the device main body 40 are connected to the lower base 39.
from the device parts 47 in the device main body 40 through the above-mentioned space.
, for example, connected to a printed circuit board.

The rotating and tilting mechanism configured as described above horizontally rotates the slider 49 about the support 43 on the upper surface of the lower table 39, and can tilt the device body on the upper surface of the slider 49. 40 can be rotated and tilted.

[Problems to be Solved by the Invention] The above-mentioned conventional technology is superior in that it has the effect of integrating the one-rotation tilting mechanism, reducing the number of component parts, and simplifying the assembly work. ,
Power cable 44 when the device main body 40 is horizontally rotated
Therefore, it is difficult to deal with the twisting of the signal cable 45, and there is a problem in that the extra length of the cable is required.

Furthermore, in the prior art, since the slope of the device body 40 is slid by friction between the upper surface of the slider 49 and the device body 40, the operating force is not uniform and adjustment after one assembly is difficult. It has some problems.

Furthermore, the above-mentioned conventional technology has a problem in that since the rotating and tilting mechanism is constituted by a unispherical convex portion and a concave portion, it requires a large area and cannot be miniaturized.

It is an object of the present invention to solve the problems of the prior art as described above, to shorten the extra length of power cables and signal cables, to easily handle twisting, and to make rotational and tilting operating forces uniform. The purpose of the present invention is to provide a rotation and tilting mechanism for electronic equipment that is small and has good operability.

[Means for Solving the Problems] According to the present invention, the above object is achieved by providing an integrated mechanism in which rotation and tilting are operated separately on separate columns and shafts. That is, the purpose is to provide a tilt table that is rotatable with the lower table and tiltable with the main body of the device, a hollow support is provided on the upper surface of the lower table, and a hollow column of the lower table is provided in the center of the tilt table. A rotation hole that can be attached to the support and a pair of shafts for tilting the device body are provided, and the device body is provided with a pair of locking parts that engage with the shaft of the tilt stand. This is achieved by providing a cable guide with a locking portion that engages with the shaft on the rotation hole side.

[Function] The rotation and tilting mechanism configured as described above has the following effects:
The main body of the device is rotatably supported, and the main body of the device is supported in a tiltable manner by engagement between a pair of shafts provided on the tilt stand and a locking portion provided on the device main body. The main body of the device can be rotated and tilted by operating force such as - without moving the main body of the device. Also,
By providing the cable guide on the tilt stand, the excess length of the cable can be shortened, and twisting and damage to the cable can be prevented. Furthermore, such an overall configuration allows the entire one-rotation tilting mechanism to be miniaturized.

[Example] Hereinafter, an example of the rotation and tilting mechanism for an electronic device according to the present invention will be described in detail with reference to the drawings.

FIG. 1 is a side sectional view showing the configuration of an embodiment of the present invention, and FIG.
The figure is an exploded perspective view of an embodiment of the present invention, Figure 3 is an enlarged perspective view of the main parts of the bottom of the tilt table, Figure 4 is an enlarged view of the main parts of the stopper during tilting, and Figure 5 is an enlarged view of the main parts of the cap. FIG. 6 is a diagram for explaining the rotation operation, and FIG. 7 is a diagram for explaining the tilt operation. In Figures 1 to 5, 1 is the lower stand, 2 is the main body of the device, 3 is the hollow support, 4 is the cable guide, 5 is the cap, 7 is the tilt stand, 9 is the wave washer, 10 is the power cable, and 11 is the Signal cable, 12 is display section, 1
4 is the tilt stand rear cover 15 is the tilt stand front cover 18
is a groove, 19 is a counterbore hole, 27 is a tilt axis, 28 is a pawl, 3
0.31 is a flange, and 34 is a rotation stopper.

As shown in FIGS. 1 and 2, a rotating and tilting mechanism for an electronic device according to an embodiment of the present invention is composed of a lower table 1, a tilt table 7, and a main body 2 of the device.

As shown in FIG. 2, the lower stand 1 has a hollow support 3 formed on its upper surface, a groove facing the center of the hollow support 3, and a power cable 10 and a signal cable in the center of the hollow support 3. 11 and a guide hole 17 for guiding it to the display section 12 shown in FIG. Also, for hollow support 3.

A screw hole 36 for locking the cap 5 is provided, and the lower base 1 is further formed with a raised plane part 6 around the hollow support 3. This plane portion 6 acts to prevent the rear tilt table cover 14, the front tilt table cover 15, and the tilt table 7 from coming into contact with the lower table 1 when they rotate or tilt.

The tilt stand 7 has a rotation hole 29 attached to the hollow support 3,
It is provided with a pair of tilt shafts 27 whose opposing ends that lock the device body 2 are cut into a half-moon shape 32, and two pairs of claws 28 which stop the device body 2 at a constant tilt angle. Also,
A counterbored hole 19 for locking the tilt pin 25 of the cable guide 4 is provided in the opposing portion of the tilt shaft 27 . Furthermore, as shown in FIG.
It is provided with a rotation stopper 34 that engages with the groove 18 of.

As shown in FIG. 5, the cap 5 shown in FIG. The cable hole 16 is provided with a cable hole 16 for guiding a power cable 10 and a signal cable 11. The cable guide 4 is formed with a guide pin 25 that engages with the counterbore hole 19 of the tilt table 7 to enable tilting, and a guide portion 39 that guides the power cable 10 and the signal cable 11 is provided at one end thereof. A slit 24 is formed in the center of the guide portion 39 and includes a sun 53 for separating and guiding the signal cable 11 and the power cable 10. Furthermore, the guide portion 39 includes
A tilt stand rear cover 14 and a tilt stand front cover 1 are attached to the side edges.
A tilt flange 51 is formed along the inner walls of the tilt table front cover 15 and the tilt table rear cover 14 by the notches 37 and 38 of 5 to hide the gap created when tilting.

The tilt table rear cover 14 and the tilt table front cover 15 each have cutout portions 37 and 38 that match the dimensions of the guide portion 39 of the cable guide 4, and a pair of mounting holes provided at the center of the bottom of the device body 2. A flange 30.31 that engages with the hole 21 of the portion 20 and supports the device main body 2 in a tiltable manner is provided.

The mounting section 20 is integrally formed on the bottom of the device main body 2, and the cover 14.
A hole 21 is provided which engages 15 flanges 30.31. In addition, a tilt stand 7 is installed near the unit 20.
The mounting for engaging and fixing the tilt shaft 27 is the metal fitting 25.
A screw boss 26 for fixing is formed integrally with the device main body 2. For installation, the metal fitting 22 is formed with half-moon-shaped holes at both ends for engaging and fixing the tilt shaft 27 of the tilt base 7, and on the outer periphery around this hole 23,
Protrusion 33 for stopping the device main body at a certain angle of inclination
is provided.

A washer 8 made of a highly wear-resistant material such as resin is attached to the hollow support 3 provided on the lower base 1, and then the tilt base 7 is installed through the rotation hole 29. At this time, the tilt table 7 is rotated by a rotation stopper 34 provided at its bottom.
The hollow support 31 is attached so that it engages with the groove 18 of the lower base 1. After that, a washer 8 is further attached to the hollow support 3.
．． Wave washers 9 made of metal or resin and formed in a wave shape are sequentially installed, and the cap 5 is pressed from above until the wave washers 9 become almost flat, and the cap 5 is screwed into the hole 48° with the screw 35. It is firmly fixed through the hole 36. At this time, the reaction force due to the wave shape of the wave washer 9 becomes constant, and the tilt table 7
It becomes possible to rotate smoothly without causing variations in rotational operating force.

After that, the cable guide 4 inserts the tilt pin 25 into the counterbore hole 19 of the tilt base 7, and the tilt base 7
will be installed on the In this case, the tilt pin 25 utilizes the elastic deflection of the wall 52 of the cable guide 4 on which the tilt pin 25 is provided.

The counterbore hole 19 is inserted.

Next, the power cable 10 and signal cable 11, which have been drawn in through the guide hole 17 of the hollow support 3 of the lower base l and the cable hole 16 of the cap 5, are attached to the slit 24 of the cable guide 4, and are inserted into the device main body 2. is connected to the display section 12 of.

The tilt table front cover 15 and the tilt table rear cover 14 have notches 37 and 38 that are connected to the guide portion 3 of the cable guide 4.
It is attached to the front and rear of the tilt base 7 so as to sandwich the tilt base 9. After that, the holes 21 provided in the mounting section 2o of the device body 2 are engaged with the flanges 31 and 30 provided on the tilt table front cover 15 and the tilt table rear cover 14 so that the device body 2 can be tilted. do. Further, the mounting bracket 22 is engaged with a tilt shaft 27 of the tilt base 7, and one end thereof is fixed to a screw boss 26 provided on the apparatus main body 2.

With the above-described configuration, the main body 2 of the apparatus can be tilted and rotated on the lower table 1, and as shown in FIG.
It can be tilted to any angle in the range from ■ to ■. What are the stopping positions of the inclination angles of ■ and ■?

As shown in FIG.
3 is the position where it collides with the claw 28 formed on the tilt base 7.

In addition, the rotation angle when rotating the device main body 2 is
A rotation stopper 34 formed at the bottom of the tilt table 7 is
It moves within the groove 18 of the lower table 1 and comes into contact with the circumferential end face of the groove 18. Therefore, the rotation angle can be arbitrarily set depending on the length of the groove 18.
As shown in the figure, it can be rotated to any angle in the range from A to B.

According to the embodiment of the present invention described above, the rotation and tilting mechanism of an electronic device can be configured to be compact and manufactured at low cost. In addition, there is no need for adjustment work after assembly, and since each mechanism is an hour wheel, assembly man-hours can be significantly reduced.
Because rotation and tilt are operated on separate axes,
The operation becomes easier and the operability can be improved. Furthermore, since the rotating and tilting mechanism can be made compact, the installation space can be reduced, space saving can be achieved, and it is more effective when used in small electronic equipment.

The embodiment of the present invention described above can be made even more user-friendly by making various modifications and improvements. One various modification example will be explained below.

FIG. 8 is a perspective view showing the lower surface of a tilt table showing another embodiment of the present invention.

In another embodiment of the present invention shown in FIG. 8, a click mechanism is provided in the one-rotation mechanism section and the tilting mechanism section, so that the rotational position and tilting position of the device body can be set to arbitrary positions determined by the braking of the click mechanism. This makes it easier to set the rotation angle and tilt angle of the main body of the device.

That is, in this embodiment, a plurality of small holes 80 are provided around the rotation hole 29 of the tilt base 7, and the braking member 81 includes a bearing pushed up by a spring.
The bearing is attached to the flat part 6 of the hollow support 3 so as to engage with the small hole 80, and the small hole 80 and the member 81 constitute a click mechanism. With this click mechanism, the tilt table 7 can be reliably stopped at any predetermined position during its rotation operation.

Further, in this embodiment, as shown in the figure, the mounting bracket 22 is also provided with a lick mechanism similar to that described above, so that it can be reliably stopped at any predetermined position when the main body of the apparatus is tilted.

FIGS. 9(A) and 9(B) are a cross-sectional view and an exploded perspective view showing the structure of a lower stand 1 and a hollow support illustrating still another embodiment of the present invention.

In another embodiment of the present invention shown in FIG. The main body 2 of the apparatus can be moved back and forth on the lower stand 1 by attaching the support column 3 so as to be movable back and forth. In this case, the hollow support 3 is mounted in the hole 91 of the lower platform by a member 90 from the lower part of the lower platform 1 so as to be movable in the longitudinal direction of the hole 91.

FIG. 10 is a new view showing the configuration of still another embodiment of the present invention.

Still another embodiment of the present invention shown in FIG.
The main body of the device can be moved vertically at the top.

This embodiment consists of a lower base part 1, a hollow support 3. The cylindrical member 92, which is constructed by separating the cylindrical member 92 and installing a height-adjustable cylindrical member 92 in the lower pedestal l, and attaching the hollow support 3 to the upper part of the cylindrical member 92, is connected to the bottom of the lower pedestal 1. By being pushed up by a spring or the like and engaging the collar portion 93 with one of the plurality of groove portions 94 provided inside the lower base 1,
It is configured so that the height in the vertical direction can be made variable.

The other embodiments of the invention shown in FIGS. 8-10 can each be used independently.

Moreover, it is also possible to use a structure in which these are combined. With these, the electronic equipment mounted on the lower stand 1 can be moved in the front-back direction and up-down direction.
It becomes even more convenient to use.

[Effects of the Invention] As explained above, according to the present invention, in the rotary and tilting mechanism, rotation and tilting can be operated on separate axes.
The rotating and tilting mechanism can be configured compactly, and
Tilting can be performed easily and smoothly without requiring movement of the device main body during the tilting operation. In addition, the one-rotation mechanism is composed of a hollow support, a wave washer, and a cap, and can be fixed with a constant force by the wave-like reaction force of the wave washer, so the operating force during rotation can be made uniform. This allows the main body of the device to rotate smoothly. Furthermore, according to the present invention, there is no need for post-assembly adjustment work to make the operating force constant during one rotation and tilting, and it is possible to reduce manufacturing cost.

According to one aspect of the present invention, when tilting the device main body,
Since it uses an axis tilting mechanism that does not move the main body of the device, the length of the cable can be minimized.
It is also possible to reduce stress on the cable due to twisting and bending of the cable, and improve resistance to cable breakage. Furthermore, according to the present invention,
The structure of the rotating and tilting mechanism can be simplified and the operability can be improved.

[Brief explanation of drawings]

FIG. 1 is a side sectional view showing the configuration of an embodiment of the present invention, and FIG.
The figure is an exploded perspective view of an embodiment of the present invention, Figure 3 is an enlarged perspective view of the main parts of the bottom of the tilt table, Figure 4 is an enlarged view of the main parts of the stopper during tilting, and Figure 5 is an enlarged view of the main parts of the cap. , FIG. 6 is a diagram for explaining the rotation operation, FIG. 7 is a diagram for explaining the tilt operation, and FIGS. 8, 9, and 10 are diagrams for explaining other embodiments of the present invention, and FIG. FIG. 11 is a cross-sectional view showing an example of the prior art. 1.39...Lower stand, 2,40...Device main body. 3...Hollow strut, 4...Cable guide, 5...Cap, 7...Tilt stand, 9...Wave washer, 10 .44...
... Power cable, 11, 45 ... Signal cable, 12 ... Display section, 14 ... Tilt stand rear cover 15 ... Tilt stand front cover 19
... Counterbore hole, 27 ... Tilt axis, 2
8...Claw, 30.31...Flange,
34. Old...Rotation stopper, 43... Prop, 4
6... Pressing plate, 47... Device parts. 49...Slider Figure 4 Figure 3 1! ! 7hffi [8 Figure 9 (A) Figure 7 M

Claims (1)

[Scope of Claims] 1. A rotary and tilting mechanism that rotatably supports an electronic device, comprising: a lower stand having a hollow support protruding from a plane and having a groove at a position opposite to the center thereof; and a lower stand attached to the hollow support. a rotation hole that locks the electronic device, a pair of shafts that lock the electronic device, a pair of protrusions that engage with the grooves and provide a certain rotation angle, and a tilt table that has two pairs of claws that provide a certain angle of inclination. A rotating and tilting mechanism for electronic equipment, characterized by: 2. A rotary and tilting mechanism that supports an electronic device in a rotatable and tiltable manner, comprising a hollow support provided on a lower support and a tilt stand attached to the hollow support, in which signal and power cables can be inserted into the hollow support. A rotary tilting device for an electronic device, comprising a hollow hole, a counterbore hole provided at the center of a pair of shafts for supporting the device of the tilt stand, and a cable guide inclined at an arbitrary angle arranged in the counterbore hole. mechanism. 3. In a rotating and tilting mechanism that supports an electronic device in a rotatable and tiltable manner, the mechanism includes a hollow support provided on a lower support and a tilt stand attached to the hollow support, and a flat resin with high wear resistance is attached to the hollow support. The tilt stand is mounted on top of which a washer molded by is mounted, the same washer as above and a wavy washer made of metal or resin are mounted, and the cable is further mounted. By pressing a cap having a through hole through which the cap is inserted until the wavy washer becomes flat and locking it to the hollow support,
A rotation and tilting mechanism for an electronic device, characterized in that the tilt table is rotatably mounted on the hollow support. 4. Claim 1, characterized in that the shaft for rotating and tilting the tilt table further includes a braking means for stopping the tilt table at an arbitrary rotation angle and an arbitrary tilt angle.
The rotation and tilting mechanism for electronic equipment according to item 2 or 3. 5. The device further comprises means for separating the hollow support and the lower stand and adjusting the height between the hollow support and the lower stand. 1 of them
Rotating and tilting mechanism for electronic equipment as described in 2. 6. One of claims 1 to 5, further comprising means for separating the hollow support and the lower stand and allowing the hollow support to slide back and forth on the lower stand. Rotating and tilting mechanism of the electronic device described.