JP2882367B2 - Hinge and hinged case - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinge and a hinged case, and more particularly to a hinge for opening and closing and detachably supporting a cover of a printer or the like on a main body and a case having the hinge.

[0002]

2. Description of the Related Art Generally, a cover is attached to a main body of a printer so as to be openable and closable for exchanging printer paper, removing a jam of the printer, and confirming printing on the printer.

Conventionally, there are roughly two types of opening and closing methods of a cover attached to a main body of a case such as a printer device, which are a hinge type and a lid type.

The hinge system is disclosed in, for example, Japanese Patent Application Laid-Open No. 2-115
As shown in Japanese Patent No. 483, a hinge composed of a first hinge member having a hinge pin and a second hinge member having a cylindrical body for rotatably receiving the hinge pin is used, and each hinge member is a main body or In this system, the cover is fixed to the wall of the cover, and the cover is supported on the main body by the hinge mechanism so that the cover can be opened and closed.

[0005] The lid system is a system in which the lid is installed on the main body of the case without using the hinge mechanism, and the operator removes or attaches the lid by hand.

[0006]

In the conventional hinge system, the cover can be opened and closed only by rotating the cover about the hinge, so that the operability is excellent, but the number of parts of the hinge mechanism is large, and the structure is complicated. Yes, the cost is high. In addition, when the cover is opened, the cover cannot be removed, so that the space required for opening and closing is large, and it is difficult to open and close in a narrow space.

In the conventional lid system, since no hinge mechanism is used, the structure is simple and the cost can be reduced accordingly. However, for example, when an operator reads a character immediately after printing on a printer device, in this lid type, printing cannot be checked unless the cover of the printer is completely removed, and the operation is troublesome.

The present invention has been made in view of the above problems, and has as its object to provide a hinge and a hinged case having a small number of parts, a simple structure, and excellent open / close operability. .

[0009]

According to the present invention, there is provided a hinge comprising a first hinge member provided on a main body and a second hinge member provided on a cover.
The first hinge member is formed to protrude from the main body, has a rotation guide surface and a locking guide surface, and the second hinge member has
A rotating portion provided at an end of the cover and rotatably in contact with a rotating guide surface of the first hinge member; and a locking portion locked by the locking guide surface of the first hinge member and rotating the cover at a predetermined angle. And a locking portion that is released from the locked state, and a connecting portion that connects the locking portion to the cover and that is rotatably fitted to the first hinge member. .

According to the present invention, the connecting portion of the second hinge member is fitted to the first hinge member, and the rotating portion of the second hinge member rotatably contacts the rotating guide surface of the first hinge member. Then, the cover is closed to the main body in such a manner that the locking portion of the second hinge member is locked to the locking guide surface of the first hinge member.

When the cover is opened to a certain angle, the turning portion of the second hinge member turns about the turning guide surface of the first hinge member as a fulcrum, and the locking portion moves along the locking guide surface. Rotate. Since the connecting portion of the second hinge member is fitted to the first hinge member, the cover does not laterally shift.

When the cover is turned by a predetermined angle or more, the second
Since the locking portion of the hinge member is released from the locking state with respect to the locking guide surface, the locking portion is separated from the locking guide surface, the movement of the rotating portion is free, and the cover can be separated from the main body. it can.

For example, the main body is a printer main body, and the cover is a printer cover.

In the case where the rotation guide surface of the first hinge member of the present invention is formed in a concave curved surface, and the rotation portion of the second hinge member has a convex curved surface corresponding to the rotation guide surface. Thus, the rotation of the cover can be made smooth.

The locking guide surface of the first hinge member of the present invention is formed in a convex curved surface, and when the cover is closed to the main body, the locking portion of the second hinge member is moved to the base end of the locking guide surface. In this case, even when an upward force is applied to the locking portion, the locking guide surface restricts the upward movement, so that the locking portion is positioned at the base end of the locking guide surface. Held in pieces.

The hinged case according to the present invention is a hinged case having a main body and a cover rotatably supported by the main body, wherein the hinge comprises a first hinge member provided on the main body, and a cover. , A first hinge member is formed to protrude from the main body, has a rotation guide surface and a locking guide surface, and the second hinge member is provided at an end of the cover. A rotating portion provided on the portion and rotatably contacting a rotating guide surface of the first hinge member;
A locking portion that is locked to the locking guide surface of the first hinge member and that is released from the locked state when the cover is rotated by a predetermined angle; the locking portion is connected to the cover; And a connecting part rotatably fitted to the member.

In the hinged case according to the present invention, a plurality of hinges may be arranged at a connecting portion between the main body and the cover.

[0018]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a perspective view showing a hinged printer device according to the present invention, and FIG.
FIG. 4 is an exploded perspective view of a portion A of FIG. As shown in FIG. 1, the hinge of the present invention is used for supporting a printer cover in a receipt / journal printer such as a POS terminal.

As shown in FIGS. 1 and 2, a hinged printer device P of the present invention comprises a hollow main body 1 and a main body 1 of the hollow main body 1.
And a printer cover 2 that opens and closes the upper part of the printer. Body 1
The hinge 3 is disposed at two places at a connection portion between the printer cover 2 and the printer cover 2 at a predetermined interval.

The hinge 3 includes a first hinge member 4 provided on the main body 1 and a second hinge member 5 provided on the printer cover 2.

The first hinge member 4 is provided integrally with the inner wall of the main body 1 so as to protrude therefrom, and has a rotation guide surface 41, a locking guide surface 42, and a side surface 43, as shown in FIG. The rotation guide surface 41 is formed in a concave curved surface, and the locking guide surface 42 is formed in a convex curved surface.

The second hinge member 5 is provided integrally with the printer cover 2, and includes a rotating portion 51, a locking portion 52,
It has a connecting portion 53 and an opening 54.

The rotating portion 51 is provided along the edge of the back surface of the printer cover 2. The rotating portion 51 is formed in a semicircular shape so as to have a convex curved surface corresponding to the rotating guide surface 41 (see FIG. 3).

The locking portion 52 is a flat surface, and is locked to the locking guide surface 42 of the first hinge member 4 when the printer cover 2 is closed.

The connecting portion 53 is composed of two flat surfaces extending substantially vertically in parallel from both ends of the locking portion 52,
It is connected to the back of the printer cover 2. Connecting part 53
The width between them is designed such that the inner surface of the connecting portion 53 fits into the side surface 43 of the first hinge member 4 to prevent the printer cover 2 from laterally shifting when the printer cover 2 is rotating. To prevent. The locking portion 52 and the connecting portion 53 are integrally formed, and have a substantially U-shaped cross section as a whole.

The opening 54 is formed in a substantially rectangular shape inside the rotating portion 51, the locking portion 52, and the connecting portion 53, and the first hinge member 4 is inserted into the opening 54.

FIG. 3 is a sectional view showing the structure of the hinge 3 of the present invention in a state where the first hinge member 4 and the second hinge member 5 are combined.

As shown in FIG. 3, the turning portion 51 of the second hinge member 5 is rotatably in contact with the turning guide surface 41 of the first hinge member 4. The first hinge member 4 rotates along the curved orbit about the rotation guide surface 41 of the first hinge member 4 as a fulcrum. Further, the locking portion 52 of the second hinge member 5 rotates along the curved orbit of the locking guide surface 42 of the first hinge member 4 according to the opening and closing of the cover 2.

Next, the operation of the embodiment of the present invention will be described with reference to FIG.

FIG. 4A shows a state where the printer cover 2 is closed. In this state, the rotating portion 51 of the second hinge member 5 is in contact with the rotating guide surface 41 of the first hinge member 4, and the locking portion 52 is located at the base end of the locking guide surface 42. I have. Therefore, even if an upward force is applied to the locking portion 52, the upward movement is restricted by the locking guide surface 42, so that the locking portion 52 is held at the base end of the locking guide surface 42. You.

FIG. 4B shows a state in which, for example, the operator opens the printer cover 2 to a certain angle in order to see the characters immediately after printing on the printer. In this state, the turning portion 51 of the second hinge member 5 turns along the curved orbit around the turning guide surface 41 of the first hinge member 4 as a fulcrum, and the locking portion 52 It rotates along the curved orbit of the stop guide surface 42. Connecting portion 53 of second hinge member 5
Is rotated while being in contact with the side surface 43 of the first hinge member 4, the movement of the connecting portion 53 in the horizontal direction is restricted, and the cover 2 does not laterally shift.

FIG. 4C shows a state in which the printer cover 2 is separated from the main body 1 in order to exchange paper in the printer or repair a jam in the printer, for example. When the printer cover 2 is further rotated from the state shown in FIG. 4B, the locking portion 52 of the second hinge member 5 is released from the locked state on the locking guide surface 42, and the locking portion 52 is engaged. The main body 1 is separated from the stop guide surface 42 and the movement of the rotating portion 51 becomes free.
Can be separated from the printer cover 2.

Since the hinge 3 of the present invention comprises only two members, the first hinge member 4 provided on the main body 1 and the second hinge member 5 provided on the printer cover 2, the hinge 3 has a conventional hinge structure. The number of parts is smaller and the structure is simpler. Therefore, the cost of the device can be reduced.

The locking portion 52 of the second hinge member 5
When the cover 2 is rotated by a predetermined angle, the first hinge member 4
Is released from the locked state with the locking guide surface 42,
The printer cover 2 can be separated from the main body 1.
Therefore, the space required for opening and closing is reduced, and opening and closing in a narrow space is facilitated.

Further, when the operator reads characters immediately after printing on the printer, the printed characters can be confirmed by slightly opening the printer cover 2. Need not be completely removed,
Excellent operability.

FIG. 5 is a perspective view showing a hinged printer device P 'according to another embodiment of the present invention. As shown in FIG. 5, a first hinge member provided on the printer main body 1 ',
Hinges 3 'formed of a second hinge member provided on the printer cover 2' are arranged at three positions at predetermined intervals. The structures and functions of the first hinge member and the second hinge member are the same as those described above.

The present invention is not limited to the above embodiment, and various changes can be made within the scope of the technical matters described in the claims.

For example, the hinge of the present invention may be arranged at only one place in the case, or may be arranged at four or more places. Further, the shapes of the rotation guide surface 41 and the locking guide surface 42 of the first hinge member 4, the rotation portion 51 of the second hinge member 5,
The shapes and the like of the locking portion 52, the connecting portion 53, and the opening 54 are not limited to those shown in the drawings, and can be appropriately changed.

Further, the present invention can be applied not only to the printer device but also to other hinged cases such as a container with a lid and a cap.

[0040]

According to the present invention, the following excellent effects can be obtained. (1) Since the hinge of the present invention includes only two members, the first hinge member provided on the main body and the second hinge member provided on the cover, the number of parts is smaller than that of the conventional hinge structure. , The structure is simple. Therefore, the cost of the device can be reduced. (2) The locking portion of the second hinge member is released from the locking state with the locking guide surface of the first hinge member when the cover is rotated by a predetermined angle, so that the cover is separated from the main body. Can be. Therefore, the space required for opening and closing is reduced, and opening and closing in a narrow space is facilitated. (3) When the operator reads characters immediately after printing on the printer, the printed characters can be checked by opening the cover a little, so it is necessary to completely remove the cover as in the conventional lid type. No, excellent operability.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a hinged printer device of the present invention.

FIG. 2 is an exploded perspective view of a portion A in FIG.

FIG. 3 is a sectional view showing the structure of the hinge of the present invention.

FIG. 4 is an explanatory view showing the operation of the hinge of the present invention;
(A) shows a state in which the cover is closed, (B) shows a state in which the cover is slightly opened, and (C) shows a state in which the cover is separated from the main body.

FIG. 5 is a perspective view showing a hinged printer device according to another embodiment of the present invention having a plurality of hinges.

[Explanation of symbols]

 P: Printer device with hinge (case with hinge) 1: Body 2: Printer cover (cover) 3: Hinge 4: First hinge member 41: Rotation guide surface 42: Locking guide surface 43: Side surface 5: Second hinge Member 51: rotating part 52: locking part 53: connecting part 54: opening

Claims (5)

(57) [Claims] 1. A first hinge member provided on a main body, and a second hinge member provided on a cover, wherein the first hinge member is provided to protrude from the main body, is formed on an upper portion, and has a base end portion. A turning guide surface formed in a concave curved surface from the front end to the distal end, a locking guide surface formed in a lower portion and formed in a convex curved surface from the base end to the distal end, A side surface formed on both sides between a moving guide surface and a locking guide surface, wherein the second hinge member is provided at an end of the cover and is provided on a rotation guide surface of the first hinge member. Contact rotatably,
A rotating portion having a convex curved surface corresponding to the rotating guide surface, and when the cover is closed to the main body, the rotating portion is located at the base end of the locking guide surface and locked, and the rotating portion is locked. A substantially flat locking portion that is released from a locked state when the cover is rotated by a predetermined angle as a fulcrum, and the locking portion is connected to the cover, and is rotated on both side surfaces of the first hinge member. A pair of connecting portions spaced apart by a predetermined distance to be fitted, and an opening formed inside the rotating portion, the locking portion and the pair of connecting portions and into which the first hinge member is inserted, A hinge characterized in that: 2. The hinge according to claim 1, wherein the main body is a printer main body, and the cover is a printer cover. 3. A hinged case having a main body and a cover rotatably supported on the main body by a hinge, wherein the hinge is a first hinge member provided on the main body and a first hinge member provided on the cover. A second hinge member, wherein the first hinge member is provided on the main body so as to protrude therefrom, and is formed on an upper portion and formed with a rotation guide surface formed in a concave curved surface from a base end portion to a distal end portion; It has a locking guide surface formed in a convex curved surface from the base end portion to the distal end portion, and side surfaces formed on both sides between the rotation guide surface and the locking guide surface. The second hinge member is provided at an end of the cover and rotatably contacts a rotation guide surface of the first hinge member.
A rotating portion having a convex curved surface corresponding to the rotating guide surface, and when the cover is closed to the main body, the rotating portion is positioned at the base end of the locking guide surface and locked, and the rotating portion is locked. A substantially flat locking portion that is released from a locked state when the cover is rotated by a predetermined angle as a fulcrum, and the locking portion is connected to the cover, and is rotated on both side surfaces of the first hinge member. A pair of connecting portions that are separated from each other by a predetermined distance to be fitted, and an opening formed inside the rotating portion, the locking portion and the pair of connecting portions and into which the first hinge member is inserted, A hinged case, characterized in that: 4. The hinged case according to claim 3, wherein the plurality of hinges are arranged at a connecting portion between the main body and the cover. 5. The hinged case according to claim 3, wherein the main body is a printer main body, and the cover is a printer cover.