JP4651699B2 - Electronics - Google Patents

Description

  The present invention relates to an electronic device in which a lid body is connected to a main body casing so as to be freely opened and closed via a hinge portion.

  As this type of electronic apparatus, for example, a notebook personal computer (hereinafter referred to as “notebook PC” for short) as shown in Patent Document 1 is known. The notebook PC includes a main body housing and a lid. The main body casing is a box that houses computer components, and a keyboard is provided on the top surface thereof. The lid is a box containing the display device, and can be rotated via a hinge portion with respect to the main body casing between a closed position that covers the upper surface of the main body casing and an open position that opens the upper surface of the main body casing. (For example, refer to Patent Document 1).

  FIG. 9 is a perspective view showing an example of a hinge structure of a conventional notebook PC. The hinge part 130 of the notebook PC 100 includes a main body side hinge part 131 projecting from the rear end of the upper surface of the main body case 110, a lid side hinge part 132 provided at the base end part of the lid body 120, and the main body side. It is comprised from the rotating shaft (not shown) which connects the hinge part 131 and the cover body side hinge part 132. As shown in FIG. As shown in FIG. 9, in the top plate 123 of the lid body 120, the base end portion of the lid body 120 is located in the upper region of the body side hinge portion 131 when the lid body 120 is opened by 90 ° or more. A cutout portion 140 is provided so as not to hit the portion 131.

  FIG. 10 is a perspective view showing another example of a hinge structure of a conventional notebook PC. The hinge part 130 'of the notebook PC 100' shown in FIG. 10 is provided with a main body side hinge part 131 'provided on the back surface part of the main body case 110' and adjacent to the main body side hinge part 131 '. It is comprised from the lid body side hinge part 132 'attached to the base end part lower surface of 120', and the rotating shaft (not shown) which connects main body side hinge part 131 'and lid body side hinge part 132'. In this notebook PC 100 ′, the rotation axis of the hinge portion 130 ′ is located on the back surface of the main body casing 110 ′, and the base end portion of the lid body 120 is hinged on the main body side even when the lid body 120 ′ is opened about 90 °. It does not hit the part 131 ′. For this reason, the top plate 123 ′ of the lid 120 ′ has a single plate shape without a notch.

Japanese Patent Laid-Open No. 11-85319

  By the way, in the notebook PC 100 shown in FIG. 9, since the main body side hinge part 131 is provided on the upper surface of the main body casing 110, various connectors such as a USB port are installed on the back surface 115 of the main body casing 110. can do. However, in this notebook PC 100, when the lid 120 is in a closed state, the main body side hinge portion 131 is exposed on the surface of the lid 120 as shown in FIG. There is a problem of being damaged.

  On the other hand, in the notebook PC 100 ′ shown in FIG. 10, since the upper part of the main body side hinge part 131 ′ is covered with the top plate 123 ′, the main body side hinge member 131 ′ is a lid when the notebook PC 100 ′ is viewed from above. The state is hidden by 120 '. However, in this notebook PC 100 ′, since the main body side hinge portion 131 ′ is provided on the back surface of the main body housing 110 ′, there is a problem that various connectors cannot be installed on the back surface portion of the main body housing 110 ′. .

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an electronic device that can install a connector on the back surface of a main body casing and can improve the appearance of the lid surface. .

In order to achieve the above object, an electronic device according to the present invention has a rear surface with respect to the main body housing between a main body housing, a closed position that covers the upper surface of the main body housing, and an open position that opens the upper surface. In an electronic apparatus including a flat lid that is rotatably supported by a hinge portion, the hinge portion includes a body-side hinge portion projecting from an upper surface rear end portion of the body housing, A lid body-side hinge portion formed by partially cutting the base end portion of the lid body in the thickness direction of the lid body, and a rotation shaft that connects the main body side hinge portion and the lid body side hinge portion, The main body side hinge portion is composed of an attachment portion attached to the upper surface of the main body housing and a shaft hole portion through which the rotating shaft is inserted, and the shaft hole portion is located behind the attachment position of the attachment portion and It is formed in a cantilever shape that is positioned diagonally upward, the lid, the present Covering the lid side hinge portion from the side opposite to the side facing the top surface of the housing, and when in the closed position, the shaft hole portion is visible from the back side of the electronic device. A cover portion that covers an upper portion, and the main body casing has an arc shape with the rotation axis as a center, and is located on the upper surface of the main body casing on the rear end side of the mounting portion. An escape portion is provided that forms a space for the cover portion to enter between the shaft hole portion and the shaft hole portion when the cover portion is in the open position rotated by a predetermined angle or more.

Moreover, according to a preferable aspect of the present invention, it is desirable that the shaft hole portion is located at an upper portion of the upper surface of the main body casing.

  The electronic device of the present invention includes a main body side hinge portion on the upper surface of the main body housing, and the cover includes a cover portion that covers an upper portion of the main body side hinge portion. With the above configuration, when the electronic device with the lid closed is viewed from above, the hinge on the main body is hidden by the lid, so the hinge on the main body is exposed on the surface of the lid. The appearance of the lid surface can be improved as compared with the conventional electronic device. Furthermore, the electronic device according to the present invention is configured in a cantilever shape in which the main body side hinge portion includes the attachment portion and the shaft hole portion, and the shaft hole portion is positioned obliquely rearward and upward from the attachment position of the attachment portion. Forming. For this reason, when the cover is opened, the cover can be opened to an angle close to 180 ° by allowing the cover to enter the space below the shaft hole. Even if it becomes a state, the back surface of the main body casing is not covered with the lid. As a result, various connectors can be installed and connected to the back surface of the main body housing.

  Exemplary embodiments of an electronic apparatus according to the invention applied to a notebook personal computer will be described below in detail with reference to the accompanying drawings.

  1 and 2 are perspective views showing the external appearance of a notebook personal computer 1 (hereinafter simply referred to as “notebook PC 1”). FIG. 1 shows a state in which the lid 20 is open with respect to the main body housing 10, and FIG. 2 shows a state in which the lid 20 is overlapped with the main body housing 10 and closed. 3 is a top view of the notebook PC 1 shown in FIG. 2, FIG. 3-2 is a rear view of the notebook PC 1 shown in FIG. 2, and FIG. 3-3 is a side view of the notebook PC 1 shown in FIG.

  The notebook PC 1 exemplified here can be driven not only by a commercial power source supplied through a power cord (not shown) but also by a power source supplied from a battery pack (not shown) mounted inside the notebook PC 1. It is a portable computer. The notebook PC 1 includes a main body housing 10, a lid body 20, and a hinge portion 30 that connects the main body housing 10 and the lid body 20. Hereinafter, the front side (operator side) of the main body housing 10 will be described as “front”, and the back side (hinge portion installation side) will be described as “rear”. Further, a description will be given assuming that a portion of the lid 20 that overlaps the front end of the main body housing 10 is a “tip portion” of the lid 20 and a portion that overlaps the rear end of the main body housing 10 is a “base end”.

  Although not clearly shown in the figure, the main body housing 10 has a rectangular shape in a plan view in which components such as a CPU as a control means, a memory as a storage means, and a battery pack as a power supply device are accommodated. As shown in FIG. 1, a keyboard 12 is provided on the upper surface 11 of the box. Although not shown, the keyboard 12 is an input device configured by disposing a membrane switch sheet and a plurality of key tops 13 on the upper surface of a base member formed of a metal plate. As shown in FIG. 1, a palm rest area 14 is secured at a position on the front side of the upper surface 11 of the main body housing 10, and a keyboard 12 is disposed at a position on the rear side of the palm rest area 14. Two main body side hinges 31 to be described later are projected from the end.

  As shown in FIGS. 2 and 3-2, various connectors such as a VGA connector are provided on the back surface 15 of the main body housing 10, and a battery accommodated in the main body housing 10 is not shown in the figure. A battery connector for connecting a battery pack having a larger capacity than the pack is provided. As shown in FIGS. 2 and 3-3, various connectors such as a serial port, a parallel port, a USB port, and a network are provided on the right side surface 16 and the left side surface (not shown) of the main body housing 10. is there.

  The lid 20 includes a lid housing 21 having a rectangular box shape in plan view, and a display device 22 such as a liquid crystal display or an organic EL display housed in the lid housing 21. As shown in FIG. 1, a base end portion of the lid body 20 is rotatably supported by a hinge portion 30 at a rear end portion of the main body housing 10. The lid 20 exposes the display screen of the display device 22 toward the front side of the main body housing 10 when opened with respect to the main body housing 10 as shown in FIG. 11 is opened. On the other hand, as illustrated in FIG. 2, if the rotation is performed via the hinge portion 30, the cover functions as a cover that simultaneously covers the upper surface 11 of the main body housing 10 and the display device 22. In the following description, the position of the lid 20 in a state where the lid 20 opens the upper surface 11 of the main body housing 10 is referred to as an “open position”, and the lid 20 covers the upper surface 11 of the main body housing 10. The position of the lid 20 in the state is referred to as a “closed position”.

  4 is an exploded perspective view of the main body housing 10, the lid body 21, and the main body side hinge portion 31 in the notebook PC 1. FIG. 5 is a perspective view of the main body housing 10 in FIG. It is a figure which shows the state by which the hinge part 31 was attached and the cover housing | casing 21 was assembled. 4 and 5, for convenience of explanation, constituent members such as the display device 22 housed in the lid housing 21 and the keyboard 12 provided on the upper surface 11 of the main body housing 10 are omitted. .

  As shown in FIG. 4, the lid housing 21 includes a top plate 23 and a frame member 24 attached to the peripheral edge of the top plate 23.

  The top plate 23 is a flat plate having a rectangular shape in plan view, and is a portion that becomes the upper surface of the lid 20 when the lid 20 is in the closed position. The top plate 23 has a size that covers the entire upper surface 11 of the main body casing 10 and is made of a material such as plastic or CFRP (carbon fiber reinforced plastic). Below, in the top plate 23, the area | region which covers the upper part of the main body side hinge part 31 when the cover body 20 exists in a closed position is called "cover part 25" (refer FIG. 3-1).

  As shown in FIG. 4, the frame member 24 has a side frame portion 26 having a height dimension corresponding to the thickness of the display device 22, and bends and extends perpendicularly from the side frame portion 26. It is the frame which consists of the bottom frame part 27 which faces the upper surface 11.

  FIGS. 6-1 to 6-3 are diagrams for explaining the structure of the hinge portion 30, FIG. 6-1 is a schematic cross-sectional view taken along line AA in FIG. 3, and FIG. 1 is a diagram illustrating a state in which the lid body 20 is rotated by 90 ° from the state illustrated in FIG. 1, and FIG. 6C is a diagram illustrating a state in which the lid body 20 is further rotated from the state illustrated in FIG. .

  As shown in FIGS. 4 to 6-1, the hinge portion 30 includes a pair of main body side hinge portions 31 projecting from the rear end portion of the upper surface 11 of the main body housing 10 at a predetermined interval, and a lid body. 20 is composed of a pair of lid-side hinge portions 32 provided at the base end portion, and a rotating shaft 33 (see FIG. 6A) for connecting the body-side hinge portion 31 and the lid-side hinge portion 32. The lid 20 is rotatably connected to the main body housing 10.

  As shown in FIG. 6A, the main body side hinge portion 31 includes an attachment portion 34 and a shaft hole portion 35. The attachment portion 34 is a portion that is attached and fixed to the upper surface 11 of the main body housing 10. As shown in FIG. 4, a relief portion 36 and an attachment piece 37 are provided in a manner extending from the attachment portion 34, and the attachment portion 37 is attached to the inside of the main body housing 10, whereby the attachment portion 34. The escape portion 36 is attached and fixed to the upper surface 11 of the main body housing 10. As shown in FIGS. 4 and 6-1, the shaft hole portion 35 is a portion having a substantially cylindrical shape that extends from the attachment portion 34, and the rotation shaft 33 is inserted into the shaft hole portion 35. A shaft hole 38 is formed. The main body side hinge portion 31 is integrally formed of a material such as plastic.

  As illustrated in FIG. 6A, the main body side hinge portion 31 has a cantilever shape in which the shaft hole portion 35 is located obliquely rearward and upward from the attachment position of the attachment portion 34. The shaft hole portion 35 is located in the upper part of the rearmost portion of the upper surface 11 of the main body housing 10. By making the main body side hinge portion 31 into such a cantilever shape, the upper surface 11 (relief portion 36 in FIG. 6A) of the main body housing 10 and the shaft hole portion 35 positioned above the upper surface 11 An enclosed recess is formed. As shown in FIG. 6-3, this recess is for allowing the cover portion 25 in the top plate 23 of the lid 20 to enter when the lid 20 is rotated by a predetermined angle or more with respect to the main body housing 10. It is a space part S.

  The size of the space S is determined by the thickness of the top plate 23 and the maximum rotation angle of the lid 20. Specifically, the length between the upper surface 11 of the main body housing 10 and the shaft hole portion 35 needs to be larger than the thickness dimension of the top plate 23. In the example shown in FIG. 6-3, the maximum rotation angle of the lid 20 is about 160 °. However, if the depth of the recess is made longer than that in the example shown in FIG. The maximum rotation angle can be increased to about 180 °. Here, the “depth dimension” is a dimension in the front-rear direction of the notebook PC 1.

  The escape portion 36 is for preventing the cover portion 25 from hitting the upper surface 11 when the cover 20 is rotated and the cover portion 25 of the top plate 23 enters the space portion S. It is formed so as to form an arc shape with a center. In the present embodiment, the relief portion 36 is integrated with the main body side hinge portion 31. However, the present invention is not limited to this, and the escape portion 36 is integrated with the upper surface 11 of the main body housing 10. Of course, you may let them.

  As shown in FIGS. 4 and 5, the lid body side hinge portion 32 is a portion formed by cutting out the side frame portion 26 and the bottom frame portion 27 of the frame member 24 at the base end portion of the lid body 20. Two portions are formed at portions corresponding to the main body side hinge portion 31. A shaft hole 39 through which the rotation shaft 33 is inserted is formed in the lid side hinge portion 32.

  The rotation shaft 33 is inserted into both the shaft hole 38 of the main body side hinge part 31 and the shaft hole 39 of the cover body side hinge part 32, thereby connecting the main body side hinge part 31 and the cover body side hinge part 32. It is. The rotation shaft 33 is fixed to one of the shaft hole 38 of the main body side hinge portion 31 and the shaft hole 39 of the lid side hinge portion 32 and is configured to rotate with respect to the other. In the present embodiment, the rotation shaft 33 is fixed with respect to the shaft hole 39 of the lid side hinge part 32 and is rotated with respect to the shaft hole 38 of the main body side hinge part 31. Further, when the lid 20 is rotated with respect to the main body housing 10, the rotary shaft 33 can stop the lid 20 at an arbitrary angle by a frictional force acting between the rotary shaft 33 and the shaft hole 38. It is configured to be able to.

  Next, the operation of the hinge part 30 configured as described above will be described. As described above, the upper portion of the main body side hinge portion 31 is covered with the cover portion 25 of the top plate 23 in the lid body 20. When the notebook PC 1 is viewed from above when the lid 20 is closed as shown in FIG. 6A, the main body side hinge 31 is hidden by the cover 25 of the top plate 23 as shown in FIG. Therefore, the main body side hinge portion 31 cannot be seen.

  As shown in FIG. 7, the lid 20 is opened with respect to the main body casing 10, and as shown in FIGS. 6-2 and 8, the lid is closed until the angle with respect to the upper surface 11 of the main body casing 10 is approximately 90 °. The body 20 is rotated. When the notebook PC 1 in this state is viewed from the back side, the main body side hinge portion 31 is hidden by the cover portion 25 of the top plate 23 as shown in FIG.

  When the lid 20 is further rotated from the state shown in FIG. 6B and FIG. 8, the cover portion 25 of the top plate 23 is moved to the escape portion 36 (the upper surface 11 of the main body housing) as shown in FIG. ) Along the space portion S, the lid 20 can be greatly opened to an angle close to 180 °. Further, even when the lid 20 is opened to an angle close to 180 °, the lid 20 does not cover the back surface 15 of the main body housing 10. Accordingly, it is possible to connect various connectors and a large-sized battery pack to the back surface 15 of the main body housing 10.

  As described above, the notebook PC 1 of the present embodiment includes the main body side hinge portion 31 on the upper surface 11 of the main body housing 10, and the cover 20 includes the cover portion 25 that covers the upper portion of the main body side hinge portion 31. ing. Since the main body side hinge portion 31 is hidden by the lid 20 when the notebook PC 1 in a state where the lid 20 is closed is viewed from above, the lid as shown in FIG. The appearance of the surface of the lid 20 can be improved as compared with the conventional notebook PC 100 in which the main body side hinge portion 131 is exposed on the surface of 120.

  Further, in the notebook PC 1 of the present embodiment, the main body side hinge portion 31 is configured by the attachment portion 34 and the shaft hole portion 35, and the shaft hole portion 35 is positioned obliquely rearward and upward from the attachment position of the attachment portion 34. It has a cantilever shape. For this reason, when the cover 20 is opened, the cover 25 is made to enter the space S, so that the cover 20 can be opened to an angle close to 180 °, and the cover 20 can be opened widely. Even in this case, the back surface 15 of the main body housing 10 is not covered with the lid 20. As a result, various connectors can be installed and connected to the back surface 15 of the main body housing 10.

  Further, when the main body side hinge part 131 is exposed on the top plate 123 of the lid 120 as in the conventional notebook PC 100 shown in FIG. 9, the main body side hinge part 131 when the user holds the notebook PC 100. There was a problem that the touch was bad because of hitting. According to the notebook PC 1 of the present embodiment, since the main body side hinge portion 31 is hidden by the lid 20 and is not exposed on the surface of the lid 20, the touch when the notebook PC 1 is held can be improved.

  Further, in the case of the configuration in which the notch 140 is provided in the top plate 123 of the lid 120 as in the conventional notebook PC 100 shown in FIG. 9, the strength around the notch 140 becomes weaker than that of the other parts. When a force is applied to the body 120, there is a possibility that a crack or the like may occur around the notch 140. According to the notebook PC 1 of the present embodiment, the top plate 23 of the lid 20 can be formed as a single plate without a notch, so that the strength of the lid 20 can be improved. Furthermore, by making the top plate 23 into the shape of a single plate without a notch, the degree of freedom of exterior surface treatment of the top plate 23 is increased, and the design properties such as color and texture can be improved.

  In the above-described embodiment, the main body side hinge portion 31 is installed so that the shaft hole portion 35 is positioned above the upper surface 11 of the main body housing 10, but the present invention is not limited to this. For example, the attachment portion 34 of the main body side hinge portion 31 may be attached to the rearmost portion of the upper surface 11 of the main body housing 10, and the shaft hole portion 35 may protrude from the rearmost portion of the main body housing 10.

  In the above embodiment, an example in which the electronic apparatus of the present invention is applied to a notebook personal computer has been described. However, the present invention is not limited to this, and other electronic apparatuses having a hinge portion are also included. It is also possible to apply.

It is a schematic perspective view which shows the state in which the cover body of the notebook type personal computer which is this Embodiment is open. It is a schematic perspective view which shows the state which the cover body of the notebook type personal computer which is this Embodiment is closed. FIG. 3 is a top view of the notebook personal computer shown in FIG. 2. FIG. 3 is a rear view of the notebook personal computer shown in FIG. 2. FIG. 3 is a side view of the notebook personal computer shown in FIG. 2. It is a disassembled perspective view of the notebook personal computer which is this Embodiment. In FIG. 4, the main body side hinge part is attached to the main body housing | casing, and it is a figure which shows the state by which the cover body housing | casing was assembled. It is a schematic sectional drawing of the AA line of FIG. It is a figure which shows the state which rotated the cover body 90 degrees from the state shown to FIGS. It is a figure which shows the state which rotated the cover body further from the state shown to FIGS. 6-2. It is the perspective view which looked at the state where the cover of the notebook type personal computer which is this embodiment is opened from the back. It is a rear view which shows the state which the cover body of the notebook type personal computer which is this Embodiment is open. It is a schematic perspective view of the conventional notebook type personal computer. It is a schematic perspective view of the conventional notebook type personal computer.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Notebook personal computer 10 Main body case 11 Upper surface 12 Keyboard 13 Key top 14 Palm rest area 15 Back surface 16 Side surface 20 Lid body 21 Lid case 22 Display device 23 Top plate 24 Frame member 25 Cover part 26 Side frame part 27 Bottom Frame part 30 Hinge part 31 Main body side hinge part 32 Cover body side hinge part 33 Rotating shaft 34 Attaching part 35 Axle hole part 36 Relief part 37 Attaching piece 38 Axis hole 39 Axis hole S Space part (recess)

Claims (2)

The main body housing,
A flat lid body whose rear end portion is rotatably supported by a hinge portion with respect to the main body housing between a closed position covering the upper surface of the main body housing and an open position where the upper surface is opened. In the electronic equipment provided,
The hinge part is
A main body side hinge portion protruding from the rear end of the upper surface of the main body housing;
A lid-side hinge portion formed by partially cutting the base end portion of the lid in the thickness direction of the lid;
A rotation shaft that connects the main body side hinge portion and the lid side hinge portion;
The body side hinge part is
The mounting portion is attached to the upper surface of the main body casing and the shaft hole portion through which the rotating shaft is inserted, and the shaft hole portion is positioned rearward and obliquely above the mounting position of the mounting portion. Formed in a cantilever shape,
The lid is
The main body side hinge is covered with the lid side hinge portion from the side opposite to the upper surface of the main body housing, and the shaft hole portion is visible from the back side of the electronic device when in the closed position. A cover part covering the upper part of the part ,
The main body casing is
The cover portion has an arc shape centered on the rotation axis, is located on the upper surface of the main body housing on the rear end side of the mounting portion, and is in the open position where the lid body is rotated by a predetermined angle or more. An electronic device comprising an escape portion that forms a space into which the light enters and the shaft hole portion. The electronic apparatus according to claim 1, wherein the shaft hole portion is located at an upper portion of the upper surface of the main body casing.

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