JP2001154253A - Hinge device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hinge device which facilitates the removal of a hinge shaft with a simple structure. SOLUTION: This hinge device has a turning cap (a rear cap 2) and a shaft (a hinge shaft 4) which has, for example, a non-circular section and acts as a hinge for this cap. The hinge shaft 4 is provided with a hole part (an assembly hole 4a) opened in a direction orthogonal with the shaft. When disassembling the hinge device mounted with the rear cap 2 turnably on the main body 1 side by the hinge shaft 4, a user inserts a tool 20 into the assembly hole 4a formed at the hinge shaft 4 and moves this shaft in this state by parallel moving the tool in an axial direction. Force is surely transmitted to the hinge shaft 4 by the tool 20 simply when the device is worked to the simple structure provided with the assembly hole 4a at the hinge shaft 4. The hinge shaft 4 may be easily removed by the relatively small force without removal of the tool 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a hinge disassembly and assembly.

[0002]

2. Description of the Related Art There have been many articles using hinges (hinge shafts), and in recent years, they have been widely used as shaft members that involve rotation of opening and closing parts such as doors and lids. When disassembling a conventional hinge device or replacing a hinge shaft or the like constituting the hinge device in a device including such a hinge (hereinafter, referred to as a "hinge device"), a part of the hinge shaft is pliers. In the case of, for example, a hinge shaft 40 having a stepped portion as shown in FIG. 11, a force F is applied in the axial direction while the tapered tool 30 is in contact with the end face of the stepped portion. As a result, the hinge shaft 40 was pulled out from the hole 1a in which it was fitted.

[0003]

As described above, in the prior art, a disassembly work is usually performed, in which a predetermined tool is prepared according to the outer shape of the hinge shaft and the force is gradually pulled out while applying a force from the outside. . However, when the hinge shaft is pulled out of the hole in such a disassembling operation, the contact portion of the tool is likely to come off from the step portion during the operation, and the operation is often troublesome. In addition, there is no prior art which teaches in detail the technology for facilitating the disassembling operation.

On the other hand, in the disassembly and repair work in the recycling market in recent years, and in the replacement work of parts accompanying the multi-functionalization of equipment, a technique capable of performing simpler and more reliable disassembly is required from the viewpoint of work efficiency and safety. More needed. Therefore, the present invention has been made in view of such a situation, and an object of the present invention is to provide a hinge device having a simple structure and capable of easily removing a hinge shaft.

[0005]

Means for Solving the Problems In order to solve the above problems and achieve the object, the present invention takes the following measures. That is, according to a first aspect of the present invention, there is provided a hinge device having a rotating lid and a shaft having a non-circular cross section and serving as a hinge of the rotating lid. According to the second aspect of the present invention, the pivoting lid, a shaft having a non-circular cross section and serving as a hinge of the pivoting lid, and provided on the shaft in a direction orthogonal to the axis. A hinge device having such a hole is proposed.

A pivoting lid having a hinge portion, a fixed portion having a hinge portion provided opposite to the pivoting lid, and a non-circular cross-sectional shape provided at the hinge portion are provided. Axis and
A hinge device having a hole provided in the shaft in a direction orthogonal to the shaft is proposed.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION The gist of the present invention will be described in detail below with reference to specific embodiments. (First
Embodiment 1 A first embodiment will be described with reference to FIGS. FIG. 1 shows a camera of a device to which a hinge as one embodiment of the present invention is applied, and is a perspective view showing a state where a rear lid 2 attached to a camera body 1 is opened. A take-up spool 11 and an aperture 12 are provided inside the camera body 1, and after a film (not shown) is loaded, a rear cover 2 is provided.
Is closed and used. A pressure plate 3 for uniformly pressing the film surface when closed and maintaining flatness is supported by a leaf spring and attached to the rear cover 2 on the rear side.

The camera main body 1 and the rear lid 2 are rotatably engaged by a hinge shaft 4 serving as a shaft member. 1
The hinge shaft 4 is supported so as not to come off. When the rear cover 2 is opened and closed during film exchange, the hinge shaft 4 functions as a hinge of the rear cover 2.

The hinge shaft 4 is formed with an assembly hole 4a (detailed later) for removing the hinge shaft 4 from the camera body 1 and the rear cover 2, and a tool 20 is inserted into the assembly hole 4a. The shaft 4 is configured to be removable. In the description of the present invention, when the rear cover 2 is separated from the camera body 1, the hinge shaft 4 is disassembled (pulled out).
This assembly hole 4a is provided so as to simplify the process. However, this "assembly hole" is mainly used for disassembly after assembly, but may be used for assembly.

The hinge device according to the first embodiment has a basic structure for rotatably attaching the rear cover 2 to the camera body 1 first. Parts (body fitting holes 1c, 1d) supported opposite to the lid
The rear lid 2 is formed on both upper and lower sides of the camera body, while the rear lid 2 supports both ends of the hinge shaft 4 (rear lid fitting holes 2c and 2d: described later). The hinge shaft 4 is supported in a state where both ends of the hinge shaft 4 are fitted into fitting holes formed in these supporting portions. Further, the shaft stopper member 5 screws one screw 6 into a screw hole 1e formed in one end surface of the support portion, so that the end of the hinge shaft 4 is not shifted to the camera body 1. Fixed.

When disassembling the hinge device in which the rear lid 2 is rotatably mounted on the camera body 1 with the hinge shaft 4, the screw 6 is first loosened and the shaft stopper 5 is disassembled. The shaft stopper 5 is removed from the end face of the main body hinge 1b to which is fixed. Next, with the rear lid 2 opened, an elongated tool 20 used for disassembling the hinge shaft 4 is inserted into the assembly hole 4a formed in the hinge shaft 4 to the bottom of the assembly hole 4a. In this state, a force is applied in the longitudinal direction of the hinge shaft 4 to move the hinge shaft 4 in parallel.

As described above, the tool 20 can be moved into the assembly hole 4a simply by machining the assembly hole 4a into the simple structure provided in the hinge shaft 4.
a by inserting it deeply into the hinge shaft 4
Conveyed to. Therefore, the tool 20 can be easily pulled out from the fitting holes 1c, 1d, 2c, 2d into which the hinge shaft 4 has been fitted without detaching from the hole 4a with a relatively small force. In a camera as an electronic device having a hinge configured to be easily disassembled in this way, the rear lid 2 is closed as shown in FIG. 2 after film loading, and can be used for photographing.

FIG. 2 is a perspective view showing a state in which the opened rear lid 2 shown in FIG. 1 is closed, and its position is indicated by line segments AA and BB for the description of a sectional structure described later. Is shown. When the rear cover 2 is closed, a slightly raised semi-cylindrical rear cover hinge receiving portion 2f following the flat surface of the rear cover 2 and main body hinge portions 1a and 1b of the same shape on both sides are provided. You can see each. Also, the shaft stopper 5 fixed by the screw 6 can be seen adjacent to the main body hinge 1b. With such a surface structure of the rear lid 2, the hinge shaft 4 is hidden inside the housing portion so as not to be in the way during use of the camera.

Next, the configuration of the main part of the above-mentioned hinge device will be described in more detail. FIG. 3 is a perspective view showing a main part of the hinge device exemplified in FIGS. 1 and 2 when disassembled and assembled. The hinge device of the first embodiment mainly includes a hinge shaft 4 for rotatably engaging the rear cover 2 with the camera body 1 and a camera body 1 for supporting both ends of the hinge shaft 4. Main body hinges 1a, 1b formed on both sides and provided on the rear lid 2 to support both ends of the hinge shaft 4, and a rear lid engagement hole 2c , 2d are formed on both sides and rear lid hinge portions 2a, 2b.

The hinge shaft 4 which rotatably engages the rear cover 2 with the camera body 1 employs a single shaft member having a non-circular cross section, for example, a hexagonal cross section. I have. Further, the hinge shaft 4 is a solid bar made of a material that is easy to process, and the hinge shaft 4 has, as illustrated in FIG.
A small round hole formed in a direction perpendicular to the axial direction (longitudinal direction) is provided as an assembly hole 4a.

Between the rear hinge parts 2a and 2b, a shaft opening part 2e having a cutout shape is extended in a sheath shape so that the center part of the fitted hinge shaft 4 can be seen. On the camera body 1 side, there are main body hinge portions 1a and 1b formed with hexagonally formed main body fitting holes 1c and 1d such that the hinge shaft 4 is fitted at both ends. A screw hole 1e is formed near the body fitting hole 1d.

On the other hand, on the rear lid 2 side, rear lid hinge portions 2a, 2b formed with circular hinge fitting holes 2c, 2d formed so that the hinge shaft 4 is fitted at both ends. There is. The hinge shaft 4 is fitted so that both ends of the hinge shaft 4 are supported so that the opening of one assembly hole 4a formed on the peripheral surface of the hinge shaft 4 is visible when the rear cover 2 is opened. Holes 1c, 1d,
2c, 2d. The hinge shaft 4 is fitted so as not to rotate at the holes 1c and 1d of the body hinges 1a and 1b, and is fitted so that the camera body and the rear lid can rotate relatively. I have. The fitting holes 2c and 2d and the hinge shaft 4 are relatively rotatable around the hinge shaft 4.

The rear hinge storage portion 2f and the shaft opening portion 2e have a front-to-back relationship. That is, the shaft opening portion 2e is provided on the back side of the rear cover 2 and is a portion that opens substantially one third of the peripheral surface of the hinge shaft 4, and the rear cover hinge housing portion 2f is provided with the shaft opening portion 2e.
This is a pod-like portion for covering approximately 2/3 of the peripheral surface of the hinge shaft 4 and housing the shaft 4 with the back. The screw hole 5 a is cut and widened by a tap at the tip of the screw 6, and the shaft stopper 5 is firmly fixed by the screw 6.
The rear lid fitting holes 2c and 2d of the rear lid 2 are formed with an inner diameter that is large enough to inscribe the cross-sectional shape (hexagon) of the hinge shaft 4.

The hinge device thus assembled is disassembled in substantially the reverse procedure described above. At this time, since it is necessary to remove the shaft stopper member 5 and pull out the hinge shaft 4, the assembling hole 4a is required.
By applying a force in the axial direction with the tool 20 inserted into the tool, the tool 20 can be pulled out relatively easily.

FIG. 4 shows a cross section of the hinge device taken along line AA in FIGS. 2 and 3 in a state where the rear lid 2 is closed. As shown in the figure, a hinge shaft 4 having a hexagonal cross section has main body fitting holes 1c and 1d having substantially the same cross-sectional shape, and hinge portion fitting holes (2c, 2d: (Not shown)
To the camera body 1 and the rear lid 2
Are relatively rotatable about the hinge shaft 4 to about 135 °.

5 (a) and 5 (b), the state of the hinge device when the rear cover 2 is opened and closed is shown in cross section.
FIG. 5A shows a state in which the rear lid 2 is closed when a line C in FIG.
When the rear lid 2 is opened as shown in the cross-section indicated by -C, the opening of the assembly hole 4a formed in the hinge shaft 4 is always
e faces the open direction. Therefore, when assembling and disassembling the hinge shaft 4, the opening of the assembling hole 4a is always present at a visible position, so that a thin rod-shaped tool can be easily inserted through the opening.

(Function and Effect 1) As described above, according to the hinge device of the first embodiment, the hinge shaft 4 having the assembly hole 4a is
The hinge shaft 4 is fitted in a position where the opening can be seen in the shaft opening portion 2e, and the hinge shaft 4 is fitted into the main body hinge accommodating portion 1f of the camera main body 1 so that the hinge shaft 4 cannot relatively rotate. The following operation and effect can be obtained. When the hinge shaft 4 is fitted, the hexagonally formed main body fitting holes 1c and 1d are fixed so that the hinge shaft 4 does not move inside the holes 1a and 1b, and the hinge shaft 4 is fixed. If this hinge shaft 4 is fitted in the direction in which the opening of the assembly hole 4a formed in
The opening does not shift and hide behind.

(Second Embodiment) Next, a camera having a hinge as a second embodiment of the present invention will be described. The detailed description of the same parts as those in the first embodiment will be omitted. FIG. 6 is an exploded perspective view showing, on an enlarged scale, a configuration of a main part applied to the hinge device of the second embodiment. Here, the hinge device shown as the second embodiment also uses a shaft member having the same hexagonal cross-sectional shape as the hinge shaft 4.

The hinge device is characterized in that the rear lid fitting holes 2c, 2d formed in the rear lid hinge portions 2a, 2b of the rear lid 2 are hexagonal in cross section, and that the camera body 1 The body fitting holes 1c and 1d formed in the body hinges 1a and 1b are formed to have an inner diameter that is large enough to inscribe the cross-sectional shape (hexagon) of the hinge shaft 4. Then, the hinge shaft 4 having a hexagonal cross section fits straight through the body fitting holes 1c and 1d and the hinge fitting holes 2c and 2d of the rear lid 2, and fits.
The rear lid 2 can rotate around the hinge shaft 4 to about 135 ° relative to the camera body 1.

FIG. 7 shows a cross section of the hinge device along the line AA in FIG. Hinge shafts 4 having substantially the same hexagonal cross section are fitted into rear lid fitting holes 2c, 2d formed in the hexagonal cross section formed in the rear lid hinge portions 2a, 2b.
When this shaft is driven by the opening and closing of the rear lid 2, the shaft is inscribed in the main body fitting holes 1c and 1d.

8 (a) and 8 (b), the closed state of the rear cover 2 of the hinge device according to the second embodiment is indicated by a line segment B- in FIG.
When shown in a cross section along B, as shown in FIG.
When the rear cover 2 is opened as shown in FIG. 8B, not only when the rear cover 2 is closed, but also when the rear cover 2 is opened and closed while the opening of the assembly hole 4a always faces the opening direction of the shaft opening portion 2e. Follow its movement as an axis. That is, the hinge shaft 4 itself is the rear lid 2
Is fixedly attached to the rear lid 2 side so as to move in accordance with the opening / closing operation of. Therefore, when assembling and disassembling the hinge shaft 4, the opening of the assembling hole 4a is always present at a position where the opening can be seen.

(Function and Effect 2) According to the hinge device of the second embodiment, the hinge shaft 4 having the assembly hole 4a can be
The hinge shaft 4 is fitted in a position where the opening can be seen in the shaft opening portion 2e, and the hinge shaft 4 is fitted into the rear cover hinge receiving portion 2f of the rear cover 2 so that the hinge shaft 4 cannot relatively rotate. The following operational effects can be obtained. When the hinge shaft 4 is fitted, the hinge fitting holes 2c and 2d formed in a hexagon are fixed so that the hinge shaft 4 does not move inside the holes 2c and 2d, and the hinges are fixed. If the hinge shaft 4 is fitted in the direction in which the opening of the hole (assembly hole) 4a formed in the shaft 4 can be seen, the opening does not shift and is hidden behind.

As shown in FIG. 9 (a), the cross-sectional shape of the hinge shaft 4 is hexagonal in each embodiment. In this case, the fitting holes on both sides to be fitted are also formed in the same hexagonal shape. When the shaft 4 is fitted therein, the shaft 4 does not rotate in the fitting hole. As a result, the assembly hole 4a when initially set (fitted) is formed.
Does not shift to the back side, and the position does not change, so that it is possible to prevent a problem such that the opening of the hole becomes invisible during the disassembling operation. Further, the members constituting the exemplified hinge device are extremely simple in terms of structure, and the hinge shaft 4 can be disassembled by an easier operation than the conventional structure.

The first and second embodiments described above may be modified as follows. (Modification 1) As shown in the cross-sectional shapes of FIGS. 9B and 9C, the hinge shaft 4 and the shape of the assembly hole 4a of the hinge shaft 4 can be variously modified. That is, the hinge shaft 4 and the fitting hole into which the hinge shaft 4 can be fixedly fitted are not limited to the hexagonal cross-sectional shape, and similar effects can be obtained with other shapes. For example, FIG.
May be used, but in this case,
What is necessary is just to be fixed to either the main body 1 side or the rear lid 2 side by some means so that the initial direction of the assembly hole 4a does not change. Alternatively, the hinge shaft 4 may have a tubular cross-sectional shape as shown in FIG. 9 (c), and one or more assembly holes 4a may be opened in the peripheral wall of the tubular shape.

The assembling hole 4a is opened through the hinge shaft 4 as shown in FIG. 10, as described in the first and second embodiments. When removing from the fitting hole of the body 2 or the main body 1, the tip of the tool 20 is inserted into the assembling hole 4 a using a tapered or rod-shaped tool 20 such as a knock pin, for example. The hinge shaft 4 can be moved while F is acting. The thickness of the tool 20 is desirably such that there is almost no gap when inserted into the assembling hole 4a. However, a thin tool as shown in FIG. 10 can be used like a lever.

(Modification 2) In the case of a round cross-sectional shape, the assembly hole 4a is devised so as not to be invisible around the back side, but a mark indicating where the assembly hole 4a is located is supplementary. It may be attached. The assembling hole 4a is a through hole in the description of the embodiment, but may be a deep hole.

(Third Modification) The material of the hinge shaft 4 may be a solid bar such as brass or aluminum, and a material similar to these, which is relatively easy to process and cut holes. According to each of these modified embodiments, the above-described first and second embodiments are described.
The same or higher effects as the embodiment can be expected. (Other Modifications) Needless to say, the present invention can be similarly applied to devices other than the exemplified camera, and various other modifications are possible without departing from the gist of the present invention.

Although the embodiments have been described above, the present invention includes the following inventions. (1) having a rotating lid and a non-circular cross section;
And a shaft as a hinge of the rotating lid. (2) a rotating lid, a shaft having a non-circular cross-section and serving as a hinge of the rotating lid, and a hole provided in the shaft in a direction orthogonal to the shaft. A hinge of a camera characterized by having a camera hinge can be provided.

(3) A rotating lid having a hinge portion, a fixed portion having a hinge portion provided on the camera, a shaft provided on the hinge portion and having a non-circular cross section, A hinge of a camera having a hole provided in the shaft in a direction perpendicular to the shaft can be provided.

(4) a shaft member having a non-circular cross section;
A rotating lid having a hinge portion to which the shaft member fits, a fixed portion having a hinge portion provided on a camera having a hinge portion to which the shaft member fits, In the direction
And a hole provided in the shaft, wherein the shaft member is relatively rotatably fitted to one of the hinge of the lid or the hinge of the fixed portion. We can provide you with the hinge of the camera.

(5) a shaft member having a non-circular cross section;
A rotating lid having a hinge portion to which the shaft member fits, a fixed portion having a hinge portion provided on a camera having a hinge portion to which the shaft member fits, In the direction
And a hole provided in the shaft, wherein the shaft member is fitted so as to be relatively non-rotatable relative to one of the hinge portion of the lid or the hinge portion of the fixed portion. Can provide a hinge for the camera.

(6) A rotating lid, an axis as a hinge of the rotating lid, and a hole provided in the axis in a direction perpendicular to the axis. Can provide camera hinges.

[0038]

As described above, according to the present invention,
It is possible to provide a hinge device that has a simple structure and allows the hinge shaft to be easily removed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example in which a hinge according to a first embodiment of the present invention is applied to a camera, showing a state in which a rear cover is opened.

FIG. 2 is a perspective view showing a state in which a rear cover of FIG. 1 is closed.

FIG. 3 is an exploded perspective view showing a configuration of a hinge in FIGS. 1 and 2 and showing a main part in an enlarged manner.

FIG. 4 is a sectional view of the hinge device, showing a section taken along line AA in FIG. 3;

5 (a) and 5 (b) show when the rear lid of the hinge device is opened and closed, and FIG. 5 (a) shows a cross-sectional structure along line BB in FIG. FIG. 5B is a cross-sectional view illustrating a cross-sectional structure taken along line CC in FIG. 1.

FIG. 6 is an exploded perspective view showing, on an enlarged scale, a configuration of a main part to which a hinge according to a second embodiment of the present invention is applied.

FIG. 7 is a cross-sectional view of the hinge device showing a cross-section taken along line AA in FIG. 6;

8 (a) and 8 (b) show the opening and closing of the rear lid of the hinge device, and FIG. 8 (a) shows a line segment BB at the same position as in FIG.
FIG. 8B is a cross-sectional view illustrating a cross-sectional structure taken along line CC of the same position as in FIG. 1.

FIGS. 9 (a) to 9 (c) show cross-sectional shapes of a hinge shaft and a hole, and FIG. 9 (a) shows an example in which a hole is formed in a solid hinge shaft having a hexagonal cross section. 9B is a cross-sectional view showing an example in which a hole is formed in a hinge shaft having a round cross-section, and FIG.
FIG. 4 is a cross-sectional view showing an example in which a hole is formed in a tubular hinge shaft.

FIG. 10 is an explanatory view showing a case where a hole formed in the hinge device of the present invention is handled using a tool.

FIG. 11 is an explanatory view showing a case where a shaft is removed using a tool in a hole formed in a conventional hinge device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Camera main body, 1a, 1b ... Main body hinge part (fixed part), 1c, 1d ... Main body fitting hole (fixed part fitting hole), 1e ... Screw hole (hinge part side), 1f ... No. accommodation part, 2 ... rear lid, 2a, 2b ... rear lid hinge part, 2c, 2d ... rear lid fitting hole, 2e ... shaft opening part, 2f ... rear lid hinge accommodation part, 3 ... pressure plate, 4 ... Hinge shaft (hinge), 4a: Assembly hole (hole), 5: Shaft stop member, 5a: Screw hole (shaft stop member side), 6: Screw, 11: Winding spool, 12: Aperture, 20 ... tool.

Claims (3)

[Claims] 1. A hinge device comprising: a rotating lid; and a shaft having a non-circular cross-section and serving as a hinge of the rotating lid. 2. A rotating lid, a shaft having a non-circular cross-section and serving as a hinge of the rotating lid, and a hole provided in the shaft in a direction perpendicular to the shaft. A hinge device, comprising: 3. A rotating lid having a hinge portion, a fixing portion having a hinge portion provided opposite to the rotating lid, and a non-circular cross-sectional shape provided on the hinge portion. A hinge device comprising: a shaft having a shape; and a hole provided in the shaft in a direction perpendicular to the shaft.