JPH11272187A - Tilt hinge - Google Patents

Abstract

PROBLEM TO BE SOLVED: To secure a space to bring a harness in along the axis of a rotary shaft, to hold a display body at an arbitrary angle, and to store a clicking mechanism by composing a hinge of a base which is fitted to a fitting member through a 1st rotation control means and a supporting member for the display body which is fitted to the base through a 2nd rotating means. SOLUTION: Fitting members 1 and 2 of a tilt hinge C are fitted to a fitting plate in a device main body with screws. A base is fitted rotatably with its both ends supported between the fitting members 1 and 2. This base 3 is fitted to one fitting member 1 merely rotatably, but fitting to the other fitting member 2 so that it can rotate with friction through a 1st rotating means D and be stopped with a click at a specific angle of rotation. Then the base 3 is fitted with the support member for the display body rotatably through the 2nd rotating means E at right angles to the 1st rotating means D.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used when a display body of, for example, a video camera, a camera with a monitor, or other OA equipment is opened and closed with respect to the apparatus main body and stopped and held at a free position for use. It relates to a preferred tilt hinge.

[0002]

2. Description of the Related Art Conventionally, a video camera, a camera with a monitor, and the like, to which a display body for recording and reproduction and a monitor body for monitoring a copy body copied on a film (hereinafter simply referred to as a display body) are known.
These display units are folded and stored in the storage unit provided in the device body so that they are not in the way when not in use. Need to do
Biaxial tilt hinges for this purpose are known.

A conventional tilt hinge is provided with a disk friction mechanism using a spring washer and a friction plate on a large diameter portion of a rotating shaft which is supported by a bearing plate of a mounting member and also serves as a support member of a display body, and is attached to the rotating shaft. The display body is stopped and held at an arbitrary position, or click-stopped using a die-cast uneven cam portion and a disc spring.

[0004]

However, with the subsequent technological innovation, it is desired that the harness be passed through the rotating shaft. For this purpose, a harness insertion hole is formed in the rotating shaft with a common shaft. It is necessary to provide the member so as to penetrate in the axial direction. Then, it is necessary to increase the outer diameter of the rotary shaft, and it becomes difficult to incorporate the conventional disc friction mechanism and click stop mechanism into the same outer diameter space as in the prior art.

An object of the present invention is to provide a mechanism capable of holding a display body at an arbitrary angle and providing a click stop by providing an insertion hole having a space for passing a harness in the axial direction of a rotary shaft. The idea is to provide a tilt hinge that is designed to fit in the space.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention provides a mounting member attached to an apparatus main body and a rotation angle limited to the mounting member via a first rotation control means. A base mounted so as to be capable of friction rotation and capable of being click-stopped at a predetermined rotation angle, and capable of friction rotation at a limited rotation angle with respect to the base in a direction orthogonal to the rotation direction of the base via a second rotation control means; And a support member for the display body which is attached so as to be click-stoppable at a predetermined rotation angle.

At this time, the present invention provides the support
Rotation control means, a cylindrical rotary shaft provided with a through hole in the axial direction fixed to the support member, singly or on one side locked and fixed by inserting this rotary shaft into an insertion hole provided at the center A spring washer having a plurality of protrusions,
A friction plate having a concave portion that fits with the convex portion provided in contact with the spring washer while inserting the rotary shaft into an insertion hole provided in the center portion, and fixing the friction plate to the base,
The rotary shaft is supported in a bearing hole provided in the base via a fixing member so that the spring washer and the friction plate are brought into pressure contact with each other.

According to the present invention, the first rotation control means of the support member may be a cylindrical rotary shaft provided with an axial through-hole fixed to the support member, and an insertion hole provided at the center of the rotary shaft. A spring washer having a single or a plurality of convex portions on one side fixed and fixed by being inserted into the shaft, and the convex portion provided in contact with the spring washer while being inserted through an insertion hole provided in the center portion of the rotating shaft. And a friction plate having a concave portion that fits with the friction washer. The friction plate is fixed to the base, and the rotating shaft is supported through a fixing member in a bearing hole provided in the base via a fixing member. The plate is configured to be in a pressure contact state, and the harness is configured to be inserted through a through hole of the rotary shaft. A.

[0009] In any of the above cases, the present invention is arranged such that the base is rotatably and click-stoppably mounted on the mounting member, and the base is supported by the mounting member in a double-supporting type. A rotation shaft having a large-diameter portion and a deformed small-diameter portion that rotates together with the base fixed to the base, the first rotation control device provided with one rotation control means or provided between the mounting member and the base; A bearing plate of the mounting member in contact with a large-diameter portion of the rotating shaft and the small-diameter portion is axially inserted into a bearing hole thereof; and a deformed small-diameter portion in contact with a concave portion provided in the bearing plate. A friction plate having a click function having a convex portion which is click-fitted to the concave portion engaged with the shaft insertion engagement, and the deformed shaft portion is axially inserted into the insertion hole in contact with the friction plate. A spring washer, which is constituted by a caulking portion is formed by caulking an end portion of the deformed small-diameter portion in contact with the spring washer.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The drawings show an embodiment of the present invention. In FIGS. 1 and 2, A is a device body of a digital camera with a monitor, for example. A display body (monitor) B is attached via a tilt hinge C so that the display body (monitor) can be raised and rotated in a raised state. The display body B is capable of displaying, for example, a state in which a digital camera with a monitor captures an object, so that the situation of the object captured on the film can be understood.

FIGS. 3 to 9 show the structure of the tilt hinge C. FIG. According to the drawing, reference symbols 1 and 2 are mounting members, which are fixed to mounting plates b and c inside the apparatus main body A using screws d. A base 3 is rotatably mounted between the mounting members 1 and 2 in a double-supporting type. The base 3 is simply rotatably attached to one mounting member 1 via a first rotating shaft 4 locked and fixed to the base 3, but is attached to the other mounting member 2. The first rotation control means D is provided so as to be capable of friction rotation and to be click-stoppable at a predetermined rotation angle. Reference numeral 5 denotes a stopper that regulates the rotation range of the base.

The first rotation control means D is provided especially in FIG.
As shown in FIGS. 7 and 8, the configuration is as follows. Attach the large diameter portion 6b to the deformed small diameter portion 6c of the second rotary shaft 6 having the large diameter portion 6b and the deformed small diameter portion 6c, the fixing portion 6a of which is locked and fixed to the base 3 using the mounting screw 7. The bearing plate 2a of the member 2 is rotatably mounted on the shaft through the bearing hole 2c, and the deformed small diameter portion 6c
The friction washer 8 with a click function is fitted to the deformed insertion hole 8a by inserting the deformed small diameter portion 6c into the shaft, and the side surface is brought into contact with the bearing plate 2a. 8, a spring washer 9 composed of three disc springs is attached to each of the insertion holes 9a while the deformed small diameter portion 6c is axially inserted.
By pressing a press washer 10 provided with a spring washer 9 with a holding washer 10a, the deformed small-diameter portion 6c is axially locked, and an end of the deformed small-diameter portion 6c is caulked to provide a caulking portion 6d, whereby a friction washer with a click function is provided. 8 is configured to be pressed against the bearing plate 2a. The disc spring may be a spring washer having another shape and structure. A plurality of projections 8b, 8b are provided on the friction washer 8 with a click function, and a plurality of recesses 2c communicating with the bearing holes 2b are provided on the bearing plate 2a side. The first rotation control means D may be provided between the mounting member 1 and the base 3.

Next, a support member 19 of the display body B is rotatably mounted on the base 3 via a second rotation control means E in a direction orthogonal to the first and second rotary shafts 4 and 6. I have. The second rotation control means E includes the support member 1
9 and the flange portion 12a is fixed to the insertion hole 19a with a screw 11 in the axial direction.
The cylindrical third rotating shaft 12 provided with the
The third rotating shaft 12 is axially inserted into the insertion hole 13a, and the friction washer 13 with a click function is provided so as to abut on the flange portion 12a, and the friction washer with the click function is provided. 13 while the third rotary shaft 12 is axially inserted into the insertion hole 14a thereof.
4 and the position regulating washer 14 is locked and fixed to the engaging recess 3b provided in the base 3, and the third rotating shaft 12 is provided with a stopper 15b at a portion passing through the bearing hole 3a of the base 3. Hole 1 for collar 15
By fitting 5a and fixing with screws 16, the friction washer 13 with click function and the position-regulating washer 14 are configured to be pressed against each other and slid.

The friction piece 13 with a click function has a locking piece 13b which is locked in a locking groove 12c formed in the flange portion 12a of the third rotary shaft 12.
With a plurality of recesses 14 provided in the position-regulating washer 14.
A projection 13c that engages with b is formed. Reference numeral 17 denotes a cover.

Accordingly, when the end portion of the display body B is attached to the support member 19 and the storage body is stored in the storage section a of the apparatus main body A as shown in FIG. 1, the first rotary shaft 4 and the second rotary shaft 4 are rotated. The shaft 6 rotates together with the base 3 about a bearing point for the mounting members 1 and 2 as a fulcrum, so that the display body B can be pulled up. Display body B
Is opened to 90 ° from the closed position, the protrusion 8b of the friction washer 8 with the click function of the first rotation control means D that rotates together with the second rotation shaft 6 is attached to the mounting member 2
Click stop by dropping into the concave portion 2c of the bearing plate 2a.

Also, during the raising operation of the display body B, the friction washer 8 with the click function of the first rotation control means D slides in a state of being pressed against the bearing plate 2a.
The display body B can be stopped at any position.

After raising the display body B, the third
When the display body B is rotated about the axis of the rotating shaft 12, the third rotating shaft 12 frictionally rotates together with the display body B, and
The display body can be arbitrarily stopped at a predetermined rotation angle and stably stops at a predetermined rotation angle such as 90 ° or 70 °.

Further, the harness 18 connecting the apparatus main body A side and the display B side passes through the through hole 12b of the third rotating shaft 12, and is not exposed to the outside.

In the above embodiment, the disc spring can be changed to a spring washer having another shape and structure, and the end portion of the second rotary shaft 6 can be swaged by another nut, for example. Can be. The first rotating shaft 4 and the second rotating shaft 6 can be formed as one rotating shaft, and the fixing collar 15 of the third rotating shaft 12 can be formed as a caulking portion or a nut. .

FIGS. 10 to 15 show another embodiment of the tilt hinge, in which an indicating symbol 21 is a mounting member, which is fixed to a mounting plate 22 inside the apparatus main body H such as a video camera using screws or the like. . Between the pair of bearing plates 21a and 21b of the mounting member 21, a base 2
3 is rotatably mounted via a support pin 24 and a first rotating shaft 25. The first rotation shaft 25 of the base 23 is provided with first rotation control means F. Reference numeral 26 denotes a stopper that regulates the rotation range of the base.

The first rotation control means F is configured as follows. The deformed small-diameter portion 2 of the first rotary shaft 25 having a large-diameter portion 25b and a deformed small-diameter portion 25c in which a mounting portion 25a of the base 23 is locked and fixed using a mounting screw 27.
5c, the bearing plate 21a of the mounting member 21 is rotatably mounted on the large diameter portion 25b through the bearing hole 21b in contact with the large diameter portion 25b.
A friction washer 29 with a click function is inserted into the deformed small diameter portion 25c of the rotating shaft 25 by its deformable insertion hole 29a.
The deformed small-diameter portion 25c is axially inserted and locked, and the side surface is brought into contact with the bearing plate 21a for mounting.
5c friction washer 2 with click function
9, a spring washer 30 composed of three disc springs is attached to each of the through holes 30a while the deformed small-diameter portion 25c is axially inserted, and a push washer 31 provided with a deformation locking hole 31a is brought into contact with the spring washer 30. The deformable small-diameter portion 25c is axially locked and press-fitted, so that the friction washer 29 with a click function is pressed against the bearing plate 21a.
The disc spring is a spring washer 29 having another shape and structure.
It can be. The friction washer 29 with the click function is provided with a plurality of projections 29b, and a recess 21d communicating with the bearing hole 21c is provided on the bearing plate 21a side.

Next, the first rotation control means F
Display body I in a direction orthogonal to the rotating shaft 25 of
Is rotatably mounted via the second rotation control means G. The second rotation control means G causes a cylindrical second rotation shaft 34 provided with an axial through-hole 34 a protruding from the support member 33 to be supported by a bearing hole 23 a provided in the base 23, The rotation shaft 34 is axially inserted and locked into an insertion hole 35a provided at the center thereof, and a friction washer 35 with a click function is provided so as to abut and lock on the flange portion 34b, and is contacted with the friction washer 35 with a click function. The position regulating plate 36 is provided while the second rotary shaft 34 is axially inserted into the insertion hole 36a, and the stopper portion 36b of the position regulating washer 36 is locked and fixed to a locking portion (not shown) provided on the base 23. At the same time, the second rotating shaft 34 is fixed to the portion of the base 23 that passes through the bearing hole 23a.
Is fitted to the second rotating shaft 34, and the friction washer 35 with a click function and the position regulating plate 36 are fixed to each other by fixing screws 38, 38 so as to be pressed against each other. 37a is a deformation insertion hole, and 37b is a stopper.

In the friction washer 35 with a click function, a locking hole 35 for locking to a locking pin 34c provided on a flange portion 34b of the second rotary shaft 34.
b, 35b and a plurality of recesses 36 provided in the position regulating plate 36
A convex portion 35c that engages with c is formed.

Therefore, as shown in FIGS. 10 and 11, the mounting member 21 is mounted on the main body H side of a video camera or the like, and the display body I is mounted on the supporting member 33.
When the end of the first rotation shaft 25 of the first rotation control means E is attached to the bearing plate 21a, 21
A friction washer 2 having a click function, which rotates together with the base 23 at a bearing point with respect to the support point b to enable the display body I to be pulled up and rotates together with the first rotating shaft 25 when opened from the closed position to 90 °.
The click stops when the protrusions 29b of No. 9 fall into the recesses 21d of the bearing plate 21a.

Also, during the raising operation of the display body I, the friction washer 29 with a click function slides in a state of being pressed against the bearing plate 21a.
Can be stopped at any position.

After raising the display body I, the second
When the display body I is rotated about the axis of the rotation shaft 34, the second rotation shaft 34 frictionally rotates together with the display body I, and the second rotation control means G stops the display body I arbitrarily at a predetermined rotation angle. Clicking stops at a predetermined rotation angle such as 90 °, 180 °, or 270 °.

A harness 39 connecting the apparatus main body H side and the display body I side includes a second rotating shaft 34.
Is not exposed to the outside through the inside of the through-hole 34a, as in the previous embodiment.

In the above embodiment, the disc spring can be changed to a spring washer having another shape and structure, and the end of the first rotating shaft is formed with a caulked portion, or is formed by another nut, for example. Can be changed to tightening. The first rotating shaft and the support pin may be formed as a single rotating shaft, and the fixing collar of the second rotating shaft may be formed as a caulking portion or a nut.

[0029]

The present invention is configured as described above.
The following effects can be obtained.

According to the first aspect of the present invention, the display body is folded with a simple structure so as not to normally protrude from the apparatus body such as a camera or a video, and raised to a free angle as required. The display body can be adjusted to any angle that is easy to see, and the stop position can be stably maintained by the friction means with a click stop function.

According to the second aspect of the invention, the same effect as that of the first aspect is achieved, and the configuration of the means for controlling the rotation of the display body around its axis is simplified, so that the manufacturing cost can be reduced. The effect can be obtained.

According to the third aspect of the present invention, the harness is passed through the third rotating shaft while having the same effect as in the second aspect, so that the harness is exposed to the outside and is damaged or its appearance is impaired. There can be an effect that there is no curling.

According to the fourth aspect, the structure of the rotation control means of the base can be simplified, and the effect of reducing the manufacturing cost can be obtained.

According to the fifth aspect, the structure of the first rotation control means can be simplified, and the base can be stopped and held at an arbitrary position and the click can be stopped at a predetermined position.

According to the sixth aspect of the invention, there is an effect that the first rotation control means can obtain a stronger friction torque.

[Brief description of the drawings]

FIG. 1 is a perspective view of a digital camera using a tilt hinge according to the present invention.

FIG. 2 is a perspective view of the digital camera shown in FIG. 1 when a display body is raised.

FIG. 3 is a front view of the tilt hinge according to the present invention.

FIG. 4 is a side view of the tilt hinge according to the present invention.

FIG. 5 is a bottom view of the tilt hinge according to the present invention.

FIG. 6 is an exploded perspective view of the tilt hinge according to the present invention.

FIG. 7 is a perspective view of a mounting member on the side of the first rotation control means of the tilt hinge according to the present invention.

FIG. 8 is a perspective view of the friction plate of the first rotation control means of the tilt hinge according to the present invention as viewed from the bottom.

FIG. 9 is an exploded perspective view for explaining connection between the other mounting member and the base of the tilt hinge according to the present invention.

FIG. 10 is a front view showing another embodiment of the tilt hinge according to the present invention.

FIG. 11 is a side view of the tilt hinge shown in FIG. 10;

FIG. 12 is a plan view of the tilt hinge shown in FIG.

FIG. 13 is an exploded perspective view of a main part of the tilt hinge shown in FIG. 10;

14 is a bottom view of the friction washer of the first rotation control means of the tilt hinge shown in FIG.

FIG. 15 is a perspective view of a friction washer of a second rotation control unit of the tilt hinge shown in FIG.

[Explanation of symbols]

 A device main body B display body C tilt hinge D first rotation control means E second rotation control means F first rotation control means G second rotation control means H device main body I display bodies 1, 2 mounting members 2a bearing plate 3 base 4th 1 rotary shaft 6 second rotary shaft 6a mounting portion 6b large diameter portion 6c deformed small diameter portion 8 friction washer 9 spring washer 12 third rotary shaft 12a flange portion 12b through hole 12c locking groove 13 friction washer 14 position regulating washer 15 fixed Collar 18 Harness 19 Supporting member 21 Mounting member 21a, 21b Bearing plate 22 Mounting plate 23 Base 24 Support pin 25 First rotating shaft 29 Friction washer 30 Spring washer 31 Push washer 33 Support Member 34 and the second rotary shaft 34a through hole 35 friction washer 36 position regulating plate 37 fixing collar 39 Harness

Claims (6)

[Claims] 1. An attachment member attached to an apparatus main body, and attached to the attachment member via a first rotation control means so as to be rotatable frictionally at a limited rotation angle and click-stoppable at a predetermined rotation angle. A base, and a display body attached to the base so as to be rotatable frictionally at a limited rotation angle and click-stoppable at a predetermined rotation angle via a second rotation control means in a direction orthogonal to the rotation direction of the base. A tilt hinge comprising a support member. 2. An attachment member attached to the apparatus main body side, and attached to the attachment member via a first rotation control means so as to be rotatable frictionally at a limited rotation angle and click-stoppable at a predetermined rotation angle. A base, and a display body attached to the base so as to be rotatable frictionally at a limited rotation angle and click-stoppable at a predetermined rotation angle via a second rotation control means in a direction orthogonal to the rotation direction of the base. A supporting member, wherein the second rotation control means of the supporting member is fixed to the supporting member and a cylindrical rotating shaft provided with an axial through-hole; A spring washer having one or a plurality of convex portions on one side surface fixed and fixed by being inserted into the hole, and an insert provided with the rotating shaft at the center thereof; A friction plate having a concave portion to be fitted with the convex portion provided in contact with the spring washer while being inserted into the through hole, the friction plate being fixed to the base, and the rotating shaft being provided on the base. A tilt hinge, wherein the spring washer and the friction plate are configured to be in pressure contact with each other by bearing the bearing hole through a fixing member. 3. An attachment member attached to the apparatus main body side, and attached to the attachment member via a first rotation control means so as to be rotatable frictionally at a limited rotation angle and click-stoppable at a predetermined rotation angle. A display body attached to the base so as to be rotatable frictionally at a limited rotation angle and click-stoppable at a predetermined rotation angle in a direction orthogonal to the rotation direction of the base via a second rotation control means with respect to the base. And the second rotation control means of the support member is fixed to the support member and has a cylindrical rotary shaft provided with a through-hole in the axial direction; A spring washer having one or a plurality of convex portions on one side surface which is inserted and fixed by being inserted through the hole, and A friction plate having a concave portion to be fitted with the convex portion provided in contact with the spring washer while being inserted into the through hole, the friction plate being fixed to the base, and the rotating shaft being provided on the base. The spring washer and the friction plate are configured to be brought into pressure contact with a bearing hole through a fixing member, and the harness is inserted through a through hole provided in an axial direction of the rotary shaft. A tilt hinge, characterized in that: 4. When mounting the base on the mounting member so as to be rotatable and click-stoppable, the base is supported in a double-supporting manner by the mounting member, and the first rotation control means is provided on one of the support members. The tilt hinge according to any one of claims 1 to 4, wherein: 5. A rotating shaft having a large-diameter portion and a deformed small-diameter portion, the first rotation control means provided between the mounting member and the base, the first rotation control means being fixed to the base and rotating together with the base.
A bearing plate of the mounting member in contact with a large-diameter portion of the rotating shaft and the small-diameter portion is axially inserted into a bearing hole thereof; and a deformed small-diameter portion in contact with a concave portion provided in the bearing plate. A friction plate with a click function having a convex portion that is click-fitted with the concave portion that is axially engaged, and a spring washer that is in contact with the friction plate and axially inserts the deformed shaft portion into the insertion hole;
The tilt hinge according to any one of claims 1 to 4, wherein the tilt hinge is constituted by a caulking portion formed by caulking an end portion of the deformed small diameter portion in contact with the spring washer. 6. The tilt hinge according to claim 5, wherein the caulked portion is a tightening nut.