JP2008020021A - Hinge connecting structure for rotator, and electric apparatus using the hinge connecting structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve working efficiency in assembling by providing an opening regulation for a second cabinet after hinge-connecting a first cabinet to the second cabinet. <P>SOLUTION: The hinge connecting structure is adapted to rotatably provide the first cabinet and the second cabinet energized in mutually opening directions while regulating the second cabinet so as not to be open at an angle exceeding 90°. A hinge includes a bearing 60 on the first cabinet, a cylinder 5 provided on the second cabinet 2 and opposed to the bearing 60, and a fitting shaft 3 to be fitted to the bearing 60 and the cylinder 5. The fitting shaft 3 includes a fitting part 30 spring-energized toward the bearing 60 to be protruded from the cylinder toward the bearing 60. The fitting part 30 is moved between a first position where it is released from the fitting with the bearing 60 against spring energization in an opening position exceeding 90° of the second cabinet, and a second position where it is fitted to the bearing 60 by energization in an opening position of 90° or less of the second cabinet 2. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a hinge connection structure of a rotating body that is biased in an opening direction and is restricted from opening more than a certain opening angle, and an electric device using the hinge connection structure. Specifically, the present invention relates to a camera device including a first cabinet and a second cabinet that rotates with respect to the first cabinet and has a liquid crystal panel.

A second cabinet (2) with a liquid crystal panel (21) is pivotally mounted to the first cabinet (1) with a lens (10), and the second cabinet (2) is more than a certain opening angle. There has been proposed a digital camera that is restricted from being opened to the camera (for example, see Patent Document 1). As shown in FIGS. 12 (a) and 12 (b), the second cabinet (2) is connected to the first cabinet (1) by a hinge (7) so as to be rotatable. When the camera is not used, Fold the second cabinet (2). When the camera is used, the second cabinet (2) is turned 90 degrees relative to the first cabinet (1), and the image incident from the lens (10) can be confirmed on the liquid crystal panel (21).
If the second cabinet (2) rotates over 90 degrees, it becomes difficult to see the image of the liquid crystal panel (21). Therefore, as shown in FIG. 13, a stopper (70) may be provided on the hinge (7) to restrict the rotation of the second cabinet (2) exceeding 90 degrees. In this case, it is inconvenient if the second cabinet (2) touches the stopper (70) with the second cabinet (2) in contact with the stopper (70), so a torsion spring (not shown) is provided in the hinge (7). The second cabinet (2) is pressed against the stopper (70).

JP 11-275400 A

In the structure in which the stopper (70) is provided on the hinge (7), the second cabinet (2) rotated 90 degrees is pressed against the stopper (70), so that the free angle of the torsion spring is 90 degrees or more, for example, 125 degrees. There must be. In this case, in the manufacturing process of the digital camera, the second cabinet (2) is attached to the first cabinet (1) in an open state of 125 degrees, and then the second cabinet (2) is closed and hinged. It was necessary to attach (7), and workability was bad. Alternatively, it is necessary to mount the first cabinet (1) and the second cabinet (2) in a state of 90 degrees, that is, in an unstable state where a spring load is applied, and workability is poor. Therefore, after the first cabinet (1) and the second cabinet (2) are connected to the hinge (7), it is desired to provide an opening restriction for the second cabinet (2).
An object of the present invention is to improve the assembly workability by providing an opening restriction for the second cabinet (2) after the first cabinet (1) and the second cabinet (2) are connected to the hinge (7). .

A hinge connection structure that allows the first cabinet (1) and the second cabinet (2), which are spring-biased to open to each other, to be pivotable and restricts one cabinet from opening beyond a certain opening angle. There,
The hinge is fitted into the bearing (60) provided in one cabinet, the cylinder (5) provided in the other cabinet and opposed to the bearing (60), and the bearing (60) and the cylinder (5). With a shaft (3)
The fitting shaft (3) is spring-biased toward the bearing (60), and has a fitting portion (30) that protrudes and projects from the cylindrical body (5) toward the bearing (60).
The fitting part (30) is in a position where the cabinet is opened beyond a certain opening angle, the first position where it is out of fitting with the bearing (60) against the spring bias, and the cabinet is constant. Is provided so as to be movable between a second position where the bearing (60) is fitted by a spring bias at an opening position equal to or less than the opening angle of
The fitting of the fitting portion (30) and the bearing (60) restricts the cabinet from opening beyond a certain opening angle.

To attach the cabinet (2) provided with the cylindrical body (5) to the bearing (60), the cabinet (2) is fitted to the other cabinet (1) with the opening angle exceeding a certain opening angle. The fitting part (30) of the combined shaft (3) is pressed against the bearing (60). The fitting part (30) is in a first position that is out of fitting with the bearing (60). When the fitting part (30) is pressed against the bearing (60), the fitting part (30) is spring-loaded. Fits in cylinder (5) against urging.
When the cabinet (2) is closed to a certain opening angle or less, the fitting portion (30) is fitted into the bearing (60) by spring bias. In this state, the cabinet (2) is restricted from opening beyond a certain opening angle.
That is, after the first cabinet (1) and the second cabinet (2) are connected to the hinge (7), one of the cabinets is closed and the fitting portion (30) of the fitting shaft (3) is supported by the bearing (60). The cabinet opening restriction is provided by fitting the As a result, both cabinets (1) and (2) are installed in an open state, and then the hinge (7) is attached, or both cabinets (1) and (2) are attached in an unstable state where spring loads are applied. Compared with, assembly workability can be improved.

(First embodiment)
Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
1 (a) and 1 (b) are perspective views of a digital camera. (A) is a state in which the second cabinet (2) having a liquid crystal panel (21) is closed, and (b) is a state in which it is opened. Respectively. A lens (10) for capturing a subject image is provided in the first cabinet (1), and a shutter button (11) and an operation button (12) are arranged on the first cabinet (1) as is well known. On the 1st cabinet (1), the 2nd cabinet (2) provided with the liquid crystal panel (21) is hinged (7) connected, and is provided rotatably. The second cabinet (2) opens from the folded state with respect to the first cabinet (1) to the state rotated by 90 degrees, and the user who presses the shutter button (11) enters the lens (10). The image displayed on the liquid crystal panel (21) is visible.
If the second cabinet (2) opens too much, the image on the liquid crystal panel (21) becomes difficult to see. The second cabinet (2) is restricted from opening 90 degrees or more. This configuration is described below.

FIG. 2 is a perspective view showing a state in which the second cabinet (2) is opened, and FIG. 3 is a perspective view of the second cabinet (2) and the abutting member (8) described later. A pair of first and second bearings (6) and (60) are arranged on the first cabinet (1) so as to be separated from each other, and the base end portion of the second cabinet (2) is interposed between the bearings (6) and (60). The cylindrical body (5) located at is fitted. The first bearing (6) is hollow, and the rotation center shaft (4) serving as the rotation center of the second cabinet (2) is fitted from the outside of the first bearing (6).
The rotation center shaft (4) connects the first shaft (40) fitted to the first bearing (6) and the second shaft (41) fitted to the cylindrical body (5) via a torsion spring (42). The free angle of the torsion spring (42) is 125 degrees as described above. The first shaft (40) has, for example, a rectangular outer shape, the second shaft (41) has a concave groove on the circumferential surface, and the first shaft (40) is The two shafts (41) are restricted from rotating with respect to the cylindrical body (5).

The first shaft (40) and the second shaft (41) are rotatable with respect to each other. However, if the phase shift between the first shaft (40) and the second shaft (41) is 125 degrees or less, the torsion spring (42) is attached. Power is added. That is, when the second cabinet (2) is opened at an angle of 125 degrees or less with respect to the first cabinet (1) by the rotation center shaft (4), the urging force in the opening direction is applied to the second cabinet (2). Will be added.
On the second cabinet (2), a projecting piece (20) is provided outside the cylindrical body (5), and a contact member (8) is attached to the outside of the first cabinet (1). The stopper piece (80) protrudes from the abutting member (8), and the protruding piece (20) and the stopper piece (80) contact each other with the second cabinet (2) opened 90 degrees. As a result, the second cabinet (2) is restricted from opening beyond 90 degrees.
As described above, when the second cabinet (2) is opened 90 degrees by the torsion spring (42) of the rotation center shaft (4), the projecting piece (20) is pressed against the stopper piece (80). Since it is inconvenient if the second cabinet (2) is attached with the second cabinet (2) opened 90 degrees, the second cabinet (2) is urged in this way.

In order to assemble the first cabinet (1) and the second cabinet (2), first, the second cabinet (2) is opened 125 degrees with respect to the first cabinet (1), and the rotation center shaft (4) is moved to the first cabinet (1). Inserting from the outside of the bearing (6), the first cabinet (1) and the second cabinet (2) are connected to the hinge (7). That is, in this example, the cylinder (5), the first bearing (6), and the rotation center shaft (4) constitute the hinge (7).
After this, the second cabinet (2) is folded to 90 degrees or less. In this state, the abutting member (8) is attached to the outside of the first cabinet (1).
When the second cabinet (2) is opened, the projecting piece (20) contacts the stopper piece (80) with the second cabinet (2) opened 90 degrees. The second cabinet (2) is prevented from opening beyond 90 degrees.
That is, after the first cabinet (1) and the second cabinet (2) are connected to the hinge (7), the hinge (7) is provided later by providing an abutting member (8) for restricting the opening of the second cabinet (2). ), The assembly workability of the first cabinet (1) and the second cabinet (2) is improved.

(Second embodiment)
The following configuration is also conceivable as a configuration in which the opening restriction of the second cabinet (2) is provided after the first cabinet (1) and the second cabinet (2) are connected to the hinge (7).
FIG. 4 is an exploded perspective view of the first cabinet (1) and the second cabinet (2), and FIG. 5 is a front view of FIG. 4 viewed from the B direction. On the first cabinet (1), a pair of first and second bearings (6) and (60) are arranged apart from each other, and the proximal end of the second cabinet (2) is interposed between the bearings (6) and (60). The cylindrical body (5) located in the part is fitted. In the same manner as described above, a rotation center shaft (4) serving as a rotation center of the second cabinet (2) is fitted between one end of the cylindrical body (5) and the first bearing (6). .
A fitting shaft (3) is fitted between the other end of the cylindrical body (5) and the second bearing (60). In this example, the cylinder (5), the fitting shaft (3), and the second bearing (60) constitute the hinge (7).

The fitting shaft (3) includes, in order from the second bearing (60) side, a first fitting portion (30), a second fitting portion (31), and a spring holding shaft (32). ) Is provided with a stopper recess (61) into which the first fitting part (30) can be fitted with a margin.
A first fitting hole (50) in which the second fitting portion (31) is fitted with a slight gap and a second fitting hole (51 in which the rotation center shaft (4) is fitted in the cylindrical body (5). ) Is recessed. The spring holding shaft (32) is fitted with a compression spring (33), and the fitting shaft (3) is urged toward the second bearing (60).
FIG. 6 is a cross-sectional view showing a state in which the fitting shaft (3) is fitted in the cylinder (5). The compression spring (33) has a free length, the second fitting part (31) is positioned at the opening of the first fitting hole (50), and the first fitting part (30) protrudes from the cylindrical body (5). . There is a gap between the back wall of the first fitting hole (50) and the back end of the spring holding shaft (32). If the first fitting portion (30) is pushed against the compression spring (33), the first fitting The joint part (30) is retracted into the first fitting hole (50).

FIG. 7 is a front view of the second fitting portion (31) and the first fitting hole (50) when FIG. 5 is viewed from the direction C. FIG. 8 shows the second bearing (60) and the cylindrical body (5). FIG.
The second fitting part (31) and the first fitting hole (50) are both substantially D-shaped in cross section and fit with a slight gap, so that the cylindrical body (5), that is, the second cabinet (2) is rotated. If it moves, the fitting shaft (3) will also rotate. The first fitting part (30) of the fitting shaft (3) is provided with a protrusion (34) at the upper end, and the protrusion (62) in contact with the protrusion (34) is inside from the stopper recess (61). It protrudes in the direction.

FIGS. 9A, 9B, and 9C are views showing the fitting of the first fitting portion 30 and the stopper recess 61. FIG. FIG. 9 (a) shows a state in which the protrusion (34) of the first fitting portion (30) is in contact with the protrusion (62) of the stopper recess (61). In this state, the second cabinet (2) is shown. ) Is rotated 90 degrees from the state of overlapping the first cabinet (1) and opened. Therefore, even if the second cabinet (2) is further opened, the projection (34) of the first fitting portion (30) that rotates together with the second cabinet (2) is in contact with the projection (62). It cannot be opened more than 90 degrees.
When the second cabinet (2) is closed, the first fitting portion (30) rotates counterclockwise as shown in FIG. 9 (b). Since the protrusion (34) is separated from the protrusion (62) and the first fitting part (30) is fitted in the stopper recess (61) with a margin, the rotation of the second cabinet (2) in the closing direction is obstructive. Not.

(Assembly of both cabinets)
The second cabinet (2) is attached to the first cabinet (1) as follows.
As described above, the first fitting portion (30) is spring-biased and protrudes from the cylindrical body (5) toward the second bearing (60). First, as shown in FIG. 11, with the second cabinet (2) opened to 125 degrees with respect to the first cabinet (1), as shown in FIG. 6) Insert diagonally between (60). The first fitting portion (30) is in contact with the second bearing (60).
Next, the cylinder (5) is pushed toward the second bearing (60). The first fitting portion (30) is pushed against the compression spring (33) (see FIG. 5), and the cylindrical body (5) is fitted between the bearings (6) and (60). However, since the second cabinet (2) is opened 125 degrees with respect to the first cabinet (1), the first fitting portion (30) is provided with a stopper recess (61) as shown by a dotted line in FIG. ) Is in contact with the protrusion (62) and does not enter the stopper recess (61). This is the first position. That is, in the first position, the first fitting portion (30) remains in the first fitting hole (50).

Next, as shown in FIG. 10 (b), the rotation center shaft (4) is inserted from the outside of the first bearing (6). As for the rotation center shaft (4), the first shaft (40) fits into the first bearing (6), the second shaft (41) fits into the cylinder (5), and the rotation center shaft (4) The biasing force of the torsion spring is not applied.
In this state, as shown by a one-dot chain line in FIG. 11, the second cabinet (2) is closed and set at a position opened 90 degrees with respect to the first cabinet (1). As shown in FIG. 9 (a), the first fitting portion (30) and the projecting piece (20) are separated from each other. As shown in FIG. 9 (a), the first fitting portion (30) is pressed by the compression spring (33). ) Fits inside. This is the second position. When the second cabinet (2) is closed, the assembly is completed.
That is, in this example, the fitting shaft (3) is fitted to the second bearing (60) at the open position of the second cabinet (2), and the first cabinet (1) and the second cabinet (2) are fitted. Connect the hinge (7). Thereafter, the second cabinet (2) is closed and the first fitting portion (30) of the fitting shaft (3) is fitted into the stopper recess (61), thereby restricting the opening of the second cabinet (2). Provide. As a result, the assembly workability can be improved as compared with the conventional assembly in which the second cabinet (2) is attached to the first cabinet (1) in an open state, and the hinge (7) is attached thereafter. .

In this example, the second cabinet (2) opens up to 90 degrees and is mounted at a position opened to 125 degrees with respect to the first cabinet (1). It is not limited to. Moreover, you may use together a contact member (8) for the structure which assembles both cabinets (1) and (2) for the fitting shaft (3).
Further, in the above example, the protruding piece (20) is provided in the second cabinet (2) and the abutting member (8) is attached to the first cabinet (1). However, the protruding piece (20) is attached to the first cabinet (1). The abutting member (8) may be attached to the second cabinet (2). Also, the bearings (6) and (60) are provided in the first cabinet (1) and the cylindrical body (5) is provided in the second cabinet (2), but the bearings (6) and (60) are provided in the second cabinet (2). ) And the cylindrical body (5) may be provided in the first cabinet (1).
Furthermore, although the cabinet (2) provided with the liquid crystal panel (21) was illustrated as a rotating body, it is not limited to this, The hinge structure of this example is applicable also to another rotating body.

  The above description of the embodiments is for explaining the present invention, and should not be construed as limiting the invention described in the claims or reducing the scope thereof. In addition, the configuration of each part of the present invention is not limited to the above embodiment, and various modifications can be made within the technical scope described in the claims.

(a), (b) is a perspective view of the digital camera of this example. It is a perspective view which shows the state which the 2nd cabinet opened. It is a perspective view of a 2nd cabinet and a contact member. The disassembled perspective view of a 1st cabinet and a 2nd cabinet. It is the front view which looked at FIG. 4 from the B direction. It is sectional drawing which shows the state which the fitting axis fitted in the cylinder. It is the front view of the 2nd fitting part and the 1st fitting hole which looked at Drawing 5 from the C direction. It is a perspective view of a 2nd bearing and a cylinder. (a), (b), (c) is a figure which shows the fitting of a 1st fitting part and a stopper recessed part. (a), (b) is a figure which shows the assembly of both cabinets. It is a side view which shows the open position of a 2nd cabinet. (a), (b) is a perspective view of the conventional digital camera. FIG. 13 is a right side view of FIG.

Explanation of symbols

(1) First cabinet
(2) Second cabinet
(3) Mating shaft
(4) Center axis of rotation
(5) Tube
(6) First bearing
(30) First fitting part
(60) Second bearing

Claims (4)

A hinge connection structure in which the first cabinet and the second cabinet that are spring-biased in a direction to open each other are rotatably provided, and one cabinet is restricted from opening beyond a certain opening angle,
The hinge includes a bearing provided in one cabinet, a cylinder provided in the other cabinet, one end of which is opposed to the bearing, and a fitting shaft that fits into the bearing and the cylinder,
The fitting shaft is spring-biased toward the bearing, and includes a fitting portion that protrudes and projects from the cylindrical body toward the bearing,
The fitting part has a first position where the cabinet is released from fitting with the bearing against the spring bias at a position where the cabinet is opened beyond a certain opening angle, and the cabinet is opened with a certain opening angle or less. In position, it is provided so as to be movable between a second position that fits into the bearing by spring biasing,
A hinge connection structure in which the cabinet is restricted from opening beyond a certain opening angle by fitting the fitting and bearing. The hinge connection structure according to claim 1, wherein another bearing is opposed to the other end portion of the cylindrical body, and a rotation center shaft is inserted between the bearing and the cylindrical body. An electric device using the hinge connection structure according to claim 1. The first cabinet and the second cabinet are hinged so as to be pivotable, and the first cabinet and the second cabinet are spring-biased so as to open each other,
Either one of the first cabinet or the second cabinet is provided with a projecting piece, and the other is provided with a stopper piece that presses against the projecting piece at a fixed opening angle of the first cabinet or the second cabinet. Electrical equipment that is provided separately.

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