JPH1162360A - Hinge and mechanism thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To rest a cover body at an arbitrary opening angle by forming a hinge of a main leaf and a following leaf providing attaching holes, a pipe part arranged in zigzag in a both leaf adjacent part, and a pivot mutually rotatably connecting both the leaves by being inserted in a series of the pipe parts. SOLUTION: A pivot 14 is rotated together with a following leaf 8, and a main leaf is not rotated together with the pivot 14. The pipe part 12 of the main leaf 6 not rotated together with the pivot 14 is constituted of a plastic braking member having tightly fitted to the pivot 14 and having a barrel part and a parallel extension part, a holding fitting having an inner peripheral face corresponding to the outer peripheral face of the braking member and a fixing pin 32 locked through the through hole of the leaf from the through hole of the upward extension part of the holding fitting 24 to make a hinge 2. The hinge 2 is attached to the connection part with a main body such as a cover body opening and closing upward and downward and a furniture by a wooden screw and the like as well as the conventional hinge. Thus, the cover body can be rested at an arbitrary angle.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinge mounted on furniture or the like having a vertically openable and closable portion, and further relates to a hinge mechanism incorporated in an electronic device such as a handy personal computer or a word processor having a lid such as a liquid crystal display.

[0002]

2. Description of the Related Art Among existing products, there are many wooden furniture, fittings, daily necessities, electric appliances, etc. having a vertical opening / closing member such as a lid, for example, a writing desk having a front panel, a vertical opening / closing type. Examples include a mirror table with a mirror plate attached, a grand piano with a keyboard lid and an opening / closing lid, a jewelry box with a lid, and a music box. In these products, various hinges are attached to the vertical opening and closing member,
The hinge is configured to be openable and closable.

On the other hand, in an electronic device such as a small personal computer or a word processor that can open and close a liquid crystal display unit, the liquid crystal display unit needs to be stopped at an arbitrary position that is opened at about 120 degrees from a right angle to the machine base surface. In these electronic devices, a circuit board exists in the entire inside thereof and is wired in a complicated manner, so that it is preferable that the occupied area is as small as possible. Conventionally, an opening / closing mechanism used for a liquid crystal display unit includes a coil spring tightly fitted to a pivot and having both ends fixed to a casing. The elasticity of the spring suppresses the rotation of the pivot of the display unit and allows the opening at an arbitrary opening angle. Let it stand still.

[0004]

In a conventional hinge, two leaves are rotatably connected to each other by a pivot inserted into a series of pipes, and one of the leaves is screwed to a lid and the other to a body by screws. Stick. This type of hinge cannot be stopped at an arbitrary opening angle if the load of the lid is applied to the leaf, and if the lid is partially opened and the hand is released, it will be fully opened. Or close as before. This opening / closing operation is performed in an impact manner, and the user may injure the user by stuffing his / her finger into the lid or damage the lid or the main body.

Further, a coil spring used for opening and closing the liquid crystal display unit in a small personal computer or a word processor causes the display unit to stop at an arbitrary opening angle by its elasticity, but always tightens the pivot of the display unit with a uniform strong spring elasticity. . For this reason, if the frequency of opening and closing of the liquid crystal display unit is high, the contact portion of the pivot is easily worn by the coil spring, and abrasion residue is generated to increase the frictional resistance, making it difficult to open and close the display unit.

Japanese Unexamined Patent Application Publication Nos. Hei 5-132070 and Hei 6-72454 already exist as hinge mechanisms that can be used to open and close the liquid crystal display unit, which can stop the liquid crystal display unit at an arbitrary position. It is a useful invention. In this type of hinge mechanism, since a circular bipyramidal braking member is housed in a plastic housing, it is inevitable that the size and cost of the plastic housing are limited to some extent.

The present invention proposes a part that further improves hinges and the like attached to furniture, fittings, and the like, and enables a lid to be stopped at an arbitrary opening angle and withstands tens of thousands of opening and closing operations. SUMMARY OF THE INVENTION An object of the present invention is to provide a hinge which can be stopped at an arbitrary opening angle when attached to furniture or a fitting having a lid, and does not modulate even if a user manipulates the hinge. Another object of the present invention is to provide a hinge mechanism which is incorporated in a handy personal computer or a word processor having a lid such as a liquid crystal display unit, which enables further miniaturization by simplifying the structure and has extremely high durability. It is to be.

[0008]

In order to achieve the above object, a hinge 2 according to the present invention has a structure as shown in FIG.
Main and sub leaves 6, 8 provided with a desired number of mounting holes 4,
Tube part 1 to be arranged in a staggered shape at both leaf adjacent parts
0 and 12 and a pivot 14 which is inserted into the series of pipes 10 and 12 to rotatably connect the leaves 6 and 8 to each other.
Consists of The hinge 2 has a substantially normal hinge shape as illustrated in FIG. 1, and the planar shapes of the leaves 6 and 8 and the number and diameter of the mounting holes 4 may be arbitrarily determined. further,
The series of tubes 10, 12 may be of the same length or of different lengths (see FIG. 5).

In the present invention, the pivot 14 rotates together with the slave leaf 8 (see FIG. 4), and the main leaf 6 does not need to rotate together with the pivot 14. In FIG. 1, the tube portion 12 of the main leaf 6 that does not rotate with the pivot 14 is tightly fitted to the pivot 14 and has a plastic braking member 22 having a barrel portion 17 and parallel extension portions 18 and 20; It comprises a holding metal fitting 24 having an inner circumferential surface corresponding to the outer circumferential surface, and a fixing pin 32 that passes from the through hole 28 of the upper extension 26 of the holding metal fitting 24 to the through hole 30 of the leaf and is caulked.

In the braking member 22, as shown in FIG.
The inner peripheral surface of the barrel portion 17 that is in close contact with the pivot 14 has a circular cross section, and the rotation is suppressed by the parallel extension portions 18 and 20, so that the inner peripheral surface of the barrel portion 17 becomes a friction surface. Braking member 2
The two parallel extensions 18, 20 have a gap in the diametrical direction of the barrel 17, which allows the braking member 22 to deform inward. The holding fitting 24 has a barrel portion 29 and parallel extension portions 26 and 27 like the braking member 22, and a through hole 28 through which a fixing pin 32 passes is provided in each of the extension portions, and a hole corresponding to the through hole is braked. Also provided on the extensions 18, 20 of the member 22. The holding fitting 24 surrounds at least the outer peripheral surface of the barrel portion 17 of the braking member 22.

The fixing pin 32 brakes the rotation of the pivot 14 by the braking member 22 via the holding bracket 24, and the braking strength is determined by the length of the pin 32. Fixing pin 32
Has, for example, a flat-head pin (see FIG. 1), passes through the through hole 28 of the upper extension 26 of the holding bracket 24 to the through hole 30 of the main leaf 6 as shown in FIG. Stop it.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The braking structure according to the present invention usually requires only one of the tube portions 12 in the main leaf 6, and may be constructed of two or more tube portions 12 as desired. The holding bracket 24 may be formed separately from the main leaf 6 as shown in FIGS. 1 to 4, or may be integral with the main leaf as shown in FIG. Preferably, the holding fitting 24 is made of spring steel, and the braking member 22 is made of wear-resistant engineering plastic.

In the hinge 2, a pair of bearing pieces 16, 16 bent at right angles are formed at the pipe portion of the main leaf 6, and between the bearing pieces 16, 16, a braking member 22, a holding fitting 24, and a fixing pin are provided. 32 and the combination is arranged. In this hinge, a series of pipes 10 or 12 are
6 (see FIG. 3), at least one tube section 10 or 12 is sufficient. When a pair of bearing pieces 16, 16 are arranged on both sides of the holding fitting 24, the two bearing pieces 16, 16 support the braking member 22 and the holding fitting 24, and the braking member 22 and the holding fitting 24 are continued by using the hinge. Can be prevented for a long time.

On the other hand, the hinge mechanism 60 according to the present invention
As shown in FIG. 8, the support plate 6 fixed to the machine base 61
2, opposing bearing pieces 64, 64 bent at a right angle are formed, and between the two bearing pieces 64, 64, a pivot 66 fixed to the lid 65, and a braking member (not shown) closely fitted to the pivot ), And a holding bracket 68 and a fixing pin 70 surrounding the entire braking member. Hinge mechanism 6
0 may be incorporated at the turning point of the liquid crystal display unit 74 in the handy personal computer 72 as illustrated in FIG. Electronic devices in which this kind of hinge mechanism can be incorporated are, in addition to a personal computer and a word processor, an in-vehicle television or a fish finder having a liquid crystal display unit, and further include a pocket computer, a television integrated video, a stand for a portable television, and the like. it can.

The hinge mechanism 60 may fix the pivot 66 to the liquid crystal display unit 74 and attach the support plate 62 to the device main body 76 as shown in FIG. 9, and may attach the support plate to the liquid crystal display unit 74 instead. . The planar shape of the support plate may be a simple rectangle like a general-purpose product shown in FIG. 10 or a complicated bent shape like a genuine part illustrated in FIG.

In FIG. 9, when the display unit 74 is opened and closed, a pivot 66 fixed to the display unit rotates while the hinge member 60 and the holding member 68 are stationary. The holding fitting 68 is provided with the fixing pin 7.
0, the rotation of the pivot 66 of the display unit 74 is braked via the braking member, and the display unit is stopped at an arbitrary open / close position. Pivot 6
The rotation braking force 6 is determined by the length of the fixing pin 70, and the liquid crystal display unit 74 can be set to a desired opening / closing operation.

[0017]

Next, the present invention will be described based on examples, but the present invention is not limited to the examples. The present invention will be described with reference to the drawings. As shown in FIG. 1, a metal hinge 2 has two rectangular leaves 6 and 8 each having a countersunk hole, which is three mounting holes 4. Slave leaf 8
Is positioned so that it is located on the same plane as the main leaf 6.
The connection portion 8a with the “0” is bent upward. At the adjacent portions of both leaves 6 and 8, pipe portions 10 and 10 of slave leaf 8
And the pipe 1 of the main leaf 6 arranged between the pipes 10
2 and a rod-shaped pivot 1 which is inserted into a series of pipes 10 and 12 to rotatably connect both leaves 6 and 8 to each other.
4 and the tube portions 10, 10 and 12 are approximately the same length.

As is apparent from FIG. 4, the pivot 14
In the above, the portion 14a of the secondary leaf 8 corresponding to the pipe portions 10, 10 is not circular, but has a notched circular cross section. Since the pipe portions 10 and 10 are deformed in accordance with the cutout circular section 14a to form the flat portion 11 which is not curved, the pivot 14 rotates together with the slave leaf 8 while the main leaf 6 rotates.
The tube portion 12 rotates on the peripheral surface of the pivot 14.

As shown in FIGS. 1 and 3, the main leaf 6 is formed with a pair of bearing pieces 16, 16 bent at a right angle at the tube portion 12. The bearing pieces 16, 16 have a bearing hole 19 substantially equal to the diameter of the pivot 14, and both bearing holes are arranged coaxially. As shown in FIG.
, Plastic washers 15, 15 are fitted between each bearing hole 19 and the pipe portion 10.

Between the bearing pieces 16, 16, as shown in FIG.
A braking member 22 having parallel extensions 18 and 20;
A holding member 24 having an inner peripheral surface corresponding to the outer peripheral surface of the braking member 22, and a through hole 28 of an upper extension 26 of the holding member 24.
And a fixing pin 32 which passes vertically from the bottom to the through-hole 30 of the leaf and is caulked at the lower end. Braking member 22
Is a wear-resistant engineering plastic (for example,
Injection molded product of carbon-containing polyacetal resin)
The holding fitting 24 is made of spring steel.

In the braking member 22, the barrel portion 17 having a circular side surface is closely fitted to the pivot 14, and the extension portions 18 and 20 having substantially the same length extend from both ends of the barrel portion substantially in parallel with each other. The lower extension 20 extends tangentially from the barrel. The parallel extension portions 18 and 20 are respectively provided with through holes, and both of the through holes are the extension portions 2 of the holding fitting 24.
6, 27 vertically aligned with the through holes 28 and the pins 32
Larger than the diameter of. Due to the two extensions 18 and 20, the braking member 22 always moves together with the holding fitting 24. on the other hand,
The holding fitting 24 has a barrel portion 29 and parallel extension portions 26 and 27 corresponding to the shape of the braking member 22, and the width thereof is equal to that of the braking member 22. The lower extension 27 has a pin 3
2, a through hole 28 larger than the diameter of the upper extension 2 is provided.
6 is also provided with a through hole 28 through which the pin 32 passes so as to vertically match that of the extension 27, and the upper through hole 28 is somewhat vertically elongated (see FIG. 6).

The fixing pin 32 is vertically passed down through the through hole 28 of the upper extension 26 of the holding metal fitting 24, and is caulked and fixed through a through hole 30 provided in the leaf 6. ) Is located on the extension 26 together with the washer 33. The through hole 30 is a countersink, and the pin 3
The second caulking enlarged diameter portion 32a fits into this countersunk hole,
The lower end surface of the pin 32 coincides with the lower surface of the main leaf 6. With the fixing pin 32, the braking member 22 and the holding member 24 are fixed to the main leaf 6, and the braking member 22 is tightened inward via the holding member 24, so that the braking force of the braking member 22 on the pivot 14 can be set.

The hinge 2 is attached to a connection point between the lid and a main body of the furniture or the like with a wood screw, similarly to a normal hinge, for furniture and fittings having a lid that opens and closes in a vertical direction. The hinge 2 prevents the lid from being opened and closed and prevents the lid from being suddenly closed by its own weight, so that the lid can be stopped at an arbitrary opening angle. The lid to which the hinge 2 is attached can be set to a desired opening / closing operation by the fixing pin 32 and can be stopped at an arbitrary opening position from the closed position to the opening limit position. . In the hinge 2, a combination of the braking member 22, the holding fitting 24 and the fixing pin 32 is arranged between the pair of bearing pieces 16, 16, and the braking member 22 and the holding fitting 2
By supporting the support 4, these deformations can be prevented and long-term use is possible.

FIG. 5 shows a modification of the present invention, in which a hinge 3
In FIG. 4, a pair of narrow pipe portions 36, 3
6 are provided at intervals, and the main leaf 37 has
8 and narrow tube portions 39, 39 at both ends. The pipe portions 36, 36 of the secondary leaf 35 have a non-circular cross section, and a part of the pivot 41 is locked here to rotate the leaf 35 together with the pivot 41. The tubes 36, 38, 39 are arranged in a staggered manner with respect to one another, with the central tube 38 of the leaf 37 being the longest. In the main leaf 37, the central tube portion 38 is constituted by an elongated braking member (not shown) and a holding fitting 40.

As shown in FIG. 6, the holding fitting 40 includes a parallel extension 4 having a barrel and two through holes.
2 and 43, and the through-hole 44 in the upper extension 42 has a somewhat elongated shape. The fixing pins 45, 45 pass vertically downward from the through holes 44 of the upper extension portion 42 of the holding fitting 40, respectively, and pass through through holes (not shown) provided in the main leaf 37 to be caulked. Hinge 34
Is preferably used when a large resting force is required at the time of opening compared to its size. In the hinge 34, the bearing piece can be bent at a right angle at the position of the pipe part 36 or 39, and the pipe part 36 or 39 can be substituted by the bearing piece.

FIG. 7 shows another modification of the present invention. In the hinge 48, a pair of pipes is formed in the slave leaf 49,
A central tubular portion 52 is formed in the main leaf 50, and the secondary leaf 49 is rotated together with the pivot 54 by a tubular portion having a non-circular cross section. In the main leaf 50, the central tube portion 52
Is formed so as to have a shape corresponding to the above-mentioned holding metal fitting, and a braking member 56 is housed therein, and a through-hole 57 is provided in the leaf 50, and a fixing pin 58 is vertically inserted and crimped. The leaf 50 may be made of ordinary steel, but is preferably made entirely of spring steel.

In the hinge 48, if a pair of bearing pieces are formed on both sides of the central tube portion 52 as shown in FIG. 1, the central tube portion is less likely to be deformed during use, and the holding fitting is not used during use. No departure occurs. The hinge 48 has a smaller number of parts than the above-mentioned hinge, and can be manufactured at lower cost.

The hinge mechanism 60 shown in FIG.
Opposing bearing pieces 64, 64 bent at right angles are formed in a support plate 62 fixed to the support plate 62, and the through holes of both bearing pieces 64, 64 are arranged coaxially. The two bearing pieces 64, 64 rotatably support a pivot 66 fixed to the lid 65, and a braking member (not shown) having a side surface shape substantially similar to that of FIGS. 2 and 7 is closely fitted to the pivot 66. Then, the whole of the braking member surrounds the holding fitting 68. The fixing pin 70 is vertically passed through a through hole (not shown) of the support plate 62 and is caulked.

In FIG. 8, a collar portion 80 is formed at a front portion of the pivot 66, and a rear portion thereof is inserted from one bearing piece 64 to the other bearing piece 64 through a braking member, that is, a holding metal fitting 68, and a stopper washer 82 is used. Prevent dropout. on the other hand,
The front end surface of the pivot 66 is welded to the side surface of the receiving plate 84 at right angles. As shown in FIG. 9, two hinge mechanisms 60 are incorporated in the turning portion of the liquid crystal display unit 74 of the handy personal computer 72, a receiving plate 84 welded to the pivot 66 is attached to a lower portion of the display unit 74, and the support plate 62 is attached to the device. It is fixed to the main body 76 with bolts.

When the display unit 74 of the handy personal computer 72 is opened and closed, the pivot 66 rotates together with the display unit, and at this time, the braking member, that is, the holding bracket 68 is stationary. The holding fitting 68 is tightened inward by the fixing pin 70 and presses the braking member radially inward. This braking member suppresses the rotation of the pivot 66 by being pressed inward in the radial direction, and thereby the display unit 7
4 is stopped at an arbitrary open / close position. The rotational braking force of the pivot 66 by the braking member can be accurately set by the length of the fixing pin 70 for tightening the holding fitting 68. Also,
This braking member is not damaged even if the weight of the display unit is relatively large by receiving a load acting on opening and closing the display unit 74 over its entire width.

A hinge mechanism 86 shown in FIG. 10 is a general-purpose product, and a part of a rectangular flat support plate 87 is bent at a right angle to form a pair of opposed bearing pieces 88, 88. The pivot 90 is supported rotatably. A pivot 90 having a flange portion 91 formed at the front portion is inserted from the rear portion thereof to the other bearing piece 88 from one bearing piece 88 via a braking member, that is, a holding metal fitting 92, and is prevented from falling off by a stopper washer 93. The rotation braking force of the pivot 90 can be accurately set by the length of the fixing pin 95 for tightening the holding bracket 92.

In the hinge mechanism 86, the front end portion 94 of the pivot 90 is formed into an irregular cross section, the support plate 87 is bolted to the equipment body, and the pivot is inserted into the irregular hole of a receiving plate (not shown) fixed to the lid side wall. Insert the front end 94. The hinge mechanism 86 can be installed not only on a handy personal computer or word processor but also on an electronic device such as an in-vehicle TV or a fish finder with a liquid crystal display, a pocket computer, and a TV-integrated video. It is possible.

[0033]

The hinge according to the present invention can be used for furniture and fittings having a lid which can be opened and closed in the vertical direction. It should just be attached with. With this hinge, the lid of furniture and fittings can be opened and closed, and the lid can be stopped at an arbitrary opening angle. With this hinge, the opening / closing operation of the lid is not shocked even if the load of the lid is applied to the leaf in order to open and close in the vertical direction. Damage to the body can be avoided. This hinge is used in furniture, fittings, automobiles, etc.
It is also possible to attach to various door members that can be opened and closed vertically.

With the hinge or hinge mechanism of the present invention, when a cover such as a liquid crystal display unit is opened and closed, the force for braking the pivot for the cover can be accurately set by the length of the fixing pin. Since this fixing pin is not a screw member, it does not modulate even if tampered with by the user, and once set to open / close operation according to the user's preference, it can be stopped at any position from the closed position to the opening limit position, while the lid is When closing the body, the lid is always prevented from closing suddenly by its own weight.

The hinge mechanism of the present invention can be miniaturized, and can be sufficiently installed in a personal computer, a word processor, or the like in which a circuit board is present entirely. In this hinge mechanism, the opening / closing operation of the lid is constant even if the use is continued for a long time. Further, the entire outer peripheral surface of the braking member is surrounded by a holding bracket that operates integrally, and is operated at the time of opening and closing operation by about 5 to 10K.
By receiving a g-weight load over the entire width of the braking member, it is possible to withstand tens of thousands of open / close tests. This hinge mechanism has a smaller number of parts and a lower manufacturing cost than conventional products.

[Brief description of the drawings]

FIG. 1 is a front view showing a hinge of the present invention.

FIG. 2 is an enlarged sectional view taken along the line AA of FIG.

FIG. 3 is an enlarged sectional view taken along line BB of FIG. 1;

FIG. 4 is an enlarged sectional view taken along line CC of FIG. 1;

FIG. 5 is a front view showing a modification of the present invention.

FIG. 6 is a perspective view showing a holding fitting used for the hinge of FIG. 5;

FIG. 7 is a horizontal center sectional view showing another modified example of the present invention in an enlarged manner.

FIG. 8 is a partial front view showing the hinge mechanism of the present invention.

FIG. 9 is a schematic perspective view showing an example in which the hinge mechanism of the present invention is installed in a small personal computer.

FIG. 10 is a front view showing a hinge mechanism which is a general-purpose product.

[Explanation of symbols]

 2 Hinge 6 Main leaf 8 Secondary leaf 10, 12 Tube section 14 Pivot 16 Bearing piece 22 Braking member 24 Holding bracket 32 Fixing pin 60 Hinge mechanism

Claims (4)

[Claims] 1. A main and a sub-leaf provided with a desired number of mounting holes, a pipe portion arranged in a staggered manner in adjacent portions of both leaves, and both leaves can be rotated relative to each other by being inserted into a series of pipe portions. At least one tube portion in the main leaf has a plastic braking member having a barrel portion closely fitted to the pivot, and an inner peripheral surface corresponding to an outer peripheral surface of the barrel portion of the braking member. And a holding bracket integrated with or separate from the main leaf, and a fixing pin passing from the through hole of the upper extension of the holding metal to the leaf hole, and by tightening the braking member inward via the holding metal with the fixing pin. A hinge that allows the inner peripheral surface of the braking member and the peripheral surface of the pivot to be frictional surfaces so that both leaves can be stopped at an arbitrary opening angle. 2. A main and a sub-leaf provided with a desired number of mounting holes, a pipe portion arranged in a staggered manner at adjacent portions of both leaves, and both leaves can be rotated relative to each other by being inserted into a series of pipe portions. A plastic braking member having a pivot connected thereto, a pair of bearing pieces bent at right angles formed at a pipe portion of the main leaf, and a barrel portion closely fitted to the pivot between the pair of bearing pieces. And a holding member having an inner peripheral surface corresponding to the outer peripheral surface of the barrel portion of the braking member and being integral with or separate from the main leaf, and a fixing pin that passes from the through hole of the upper extension of the holding member to the leaf hole. A hinge that allows the inner peripheral surface of the braking member and the peripheral surface of the pivot to be frictional surfaces by tightening the braking member inward via the holding bracket with the fixing pin, so that both leaves can be stopped at an arbitrary opening angle. 3. The pivot has a notched circular cross section at a portion corresponding to the upper and / or lower pipe portion of the slave leaf, while the upper and / or lower pipe portion of the slave leaf has the notched circular cross section. 3. The hinge according to claim 1, wherein the pivot is pivoted together with the slave leaf by forming a flat portion partially according to the location. 4. A part of a support plate fixed to a machine base is bent at a right angle to form a pair of bearing pieces, and a pivot that rotates together with a lid between the pair of bearing pieces; A plastic braking member having a closely fitted barrel portion, a holding metal member having an inner peripheral surface that is in close contact with the outer peripheral surface of the barrel member of the braking member and being integral with or separate from the main leaf; A fixing pin that passes from the through hole to the through hole of the support plate is arranged, and the braking member is tightened inward via the holding bracket with the fixing pin, so that the inner peripheral surface of the braking member and the peripheral surface of the pivot become a friction surface. A hinge mechanism that allows the lid to rest at any opening angle.