JPH08210015A - Hinge mechanism of opening/closing body - Google Patents

Abstract

PURPOSE: To provide a hinge mechanism of an opening/closing body such as a cover, or a door by which the damage of the opening/closing body or the collision of the body against the equipment adjacent thereto can be prevented. CONSTITUTION: A hinge mechanism of an open/close body is equipped with a friction type hinge 10 consisting of a bracket 13 provided with a cylindrical part 14 to which a part of a shaft 15 is inserted for fixedly holding the shaft 15 and another bracket 11 provided with a cylindrical part 12 to which the other part of the shaft 15 is turnably inserted through an elastic body 16. In the friction type hinge 10, either of the brackets 11, 13 is fixed to the opening/ closing body 2 and the other is fixed to a case body 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinge mechanism for opening and closing objects such as covers and doors.

[0002]

2. Description of the Related Art A conventional hinge mechanism for an open / close object is shown in FIG. In the figure, reference numeral 1 is a box-shaped housing in which a front surface and a rear surface for housing electrical components and the like are opened. A panel (for example, a bagboard printed wiring board) is attached near the front opening of the housing 1, and a printed wiring board is plugged into the connector from this opening on the rear surface of the panel to accommodate electrical components in the housing 1.

Reference numeral 2 denotes a shallow box-shaped opening / closing object (for example, a cover) which is openably / closably mounted in the front opening of the housing 1. The bottom plate 1A of the housing 1 and the lower edge frame 2A of the openable / closable object 2 are connected via a pair of hinges 5 so that the openable / closable object 2 is attached to the housing 1 so that it can be opened and closed forward.

On the other hand, when the tongue-shaped leaf spring 4 is attached to the edge frame 2A above the opening / closing object 2 and the opening / closing object 2 is closed, the leaf spring 4 is formed.
The front end portion of the casing is pressed against the lower surface of the upper plate of the housing 1 so that the open / close object 2 is maintained in the closed state.

[0005] Instead of the leaf spring 4, a magnet rubber is fixed to the upper edge frame 2A of the opening / closing object 2, and the magnet rubber is attracted to a magnetic plate fixed to the upper plate of the housing 1 to close the opening / closing object 2. Some are designed to maintain a stable state.

[0006]

In the conventional hinge mechanism for opening / closing objects, the hinge moves smoothly. Therefore, when opening / closing the opening / closing object, the opening / closing object vigorously falls forward and collides with the installation surface of the housing. There was a risk of damage to the object.

In addition, in a device in which the openable / closable object is laterally opened and attached to the housing, when the openable / closable object is opened, the openable / closable object may open vigorously and greatly and may collide with a device installed adjacently.
The present invention was created in view of the above circumstances, and an object thereof is to provide a hinge mechanism for an open / close object that is not likely to be damaged or collide with an adjacent device or the like.

[0008]

In order to achieve the above object, the present invention, as illustrated in FIG. 1, includes a bracket 13 having a cylindrical portion 14 into which a part of a shaft 15 is inserted and which holds the shaft 15 in a fixed manner.
And another bracket 11 having a cylindrical portion 12 that rotatably holds the shaft by inserting the other portion of the shaft 15 through an elastic body 16, and a friction hinge 10 is provided.

In the friction hinge 10, one of the brackets 11 and 13 is fixed to the opening / closing object 2 and the other is fixed to the housing 1. As illustrated in FIG. 3, the shaft 20 is inserted through the elastic body 17, and the bracket 11 having the cylindrical portion 12 for rotatably holding the shaft 20 and the means for engaging with the end of the shaft 20 are provided. The bracket metal fitting 30 and the friction type hinge 100 are provided.

In the friction type hinge 100, one of the bracket 11 and the bracket fitting 30 is fixed to the open / close object 2 and the other is fixed to the housing 1. As exemplified in FIG.
The friction type hinge 10 or the friction type hinge 100 and the hinge 5 are used together so that the housing 1 and the opening / closing object 2 are connected.

As illustrated in FIG. 5, a bracket 11 having a cylindrical portion 12 whose shaft is rotatably inserted through an elastic body.
And a plate member provided with a long hole 35A with which the square end 21 of the shaft is engaged.
31 and a bracket metal fitting 30A having a plate member 31 fixed to one end and an elastic plate-like arm plate 33 fixing the other end to the housing 1 and a friction hinge 100A.

The friction type hinge 100A and the hinge 5 are used together to connect the housing 1 and the open / close object 2.

[0013]

According to the friction type hinge of claim 1, a bracket having a cylindrical portion for inserting a part of the shaft and fixing and holding the shaft, and a cylindrical part for inserting the other part of the shaft rotatably via an elastic body. And other brackets having.

When opening the openable / closable object, a relatively large frictional resistance is generated at the fitting portion between the shaft and the bracket, so that the openable / closable object is not vigorously swung forward or swung laterally.

Therefore, it is possible to prevent the opening / closing object from being damaged by colliding with the installation surface of the housing, and the opening / closing object from colliding with the equipment installed adjacently. The friction type hinge according to claim 2, wherein the shaft includes a bracket having a cylindrical portion into which the shaft is rotatably inserted through an elastic body, and a bracket metal member having a plate member provided with a square hole into which a square end portion of the shaft engages. It consists of

When opening the openable / closable object, a relatively large frictional resistance is generated at the fitting portion between the shaft and the bracket, so that the openable / closable object is not vigorously swung forward or swung laterally.

Therefore, it is possible to prevent the opening / closing object from being damaged by colliding with the installation surface of the housing and the opening / closing object from colliding with the equipment installed adjacently. According to the invention of claim 3, since the friction type hinge or the friction type hinge and the hinge having a simple structure and a low cost are used together, the hinge mechanism can be applied to a large open / close object at a low cost.

According to the invention of claim 4, the friction hinge central axis of the friction hinge is displaced from the hinge central axis of the hinge within the elastic deformation range of the arm plate. Thus, when a force is applied in the opening direction of the open / close object, the arm plate first elastically deforms and the open / close object opens after the central axis of the friction hinge coincides with the central axis of the hinge of the hinge.

That is, since the elastic force of the arm plate acts in the opposite direction with respect to the opening / closing operation of the opening / closing object, the opening / closing object is not vigorously swung forward or laterally. Further, when the open / close object is closed, the elasticity of the arm plate urges the open / close object in the closing direction. Therefore, the force applied to the open / close object at the time of closing can be small.

[0020]

The present invention will be described in detail with reference to the drawings. The same reference numerals indicate the same objects throughout the drawings.

FIG. 1 is a perspective view of an embodiment of the present invention, FIG. 2 is a view showing the essential points of another embodiment, FIG. 3 is a view of an embodiment of the invention of claim 2, and (A) is a perspective view. , (B) are sectional views. FIG. 4 is a perspective view of an embodiment of the invention of claim 3, and FIG. 5 is a view of the embodiment of the invention of claim 4.

In FIG. 1, reference numeral 1 is a box-shaped housing having an open front surface for housing electrical parts and the like, and 2 is a shallow box-shaped opening / closing object (for example, a cover) that is openably and closably mounted in the front opening of the housing 1. ).

Reference numeral 10 denotes a bracket 11 having a cylindrical portion 12 along the front edge and fixed to the edge frame 2A of the opening / closing object 2 (fixed by screwing or welding), and a pair of left and right along the front edge. It is a friction type hinge including another bracket 13 fixed to the bottom plate 1A of the housing 1 having a cylindrical portion 14 (fixed by screwing or welding).

The cylindrical portion 12 of the bracket 11 is inserted between a pair of left and right cylindrical portions 14 of another bracket 13 so that their axes coincide with each other. Reference numeral 15 is a shaft in which an elastic body 16 made of a cylindrical rubber or the like is fitted in the central portion.

The shaft 15 is inserted into the shaft holes of the cylindrical parts 12, 14 of the brackets 11, 13, and the left and right ends are the cylindrical parts of the bracket 13.
It is fixedly held at 14. The center of shaft 15 is bracket 11
Is inserted into the shaft hole of the cylindrical portion 12, and the outer periphery of the elastic body 16 is pressed against the inner wall of the shaft hole.

When the opening / closing object 2 is large, it is desirable to attach at least two friction hinges 10. Since it is configured as described above, when opening the opening / closing object 2, a relatively large frictional resistance is generated between the elastic body 16 provided on the shaft 15 and the shaft hole of the cylindrical portion 12 of the bracket 11. Therefore, since the open / closed object does not vigorously swing forward, the openable / closable object 2 is not damaged when opened.

Further, when the friction hinge 10 is applied to a laterally openable open / close object, the open / close object can be prevented from colliding with the equipment installed adjacently. Instead of fixing the elastic body to the shaft 15 side, a similar effect can be obtained by fitting a cylindrical elastic body 17 into the shaft hole of the cylindrical portion 12 of the bracket 11 as shown in FIG.

In FIG. 3, the edge frame 2A of the opening / closing object 2 includes
The bracket 11 is fixed. The cylindrical portion 12 of the bracket 11 has a cylindrical elastic body 17 made of a rubber material or the like in its shaft hole.
Is fitted.

Reference numeral 20 denotes a shaft which is inserted into the cylindrical portion 12 of the bracket 11, and has a rectangular end portion 21 projecting in a square shape at one end and a flange 22 provided between the rectangular end portion 21 and the shaft portion. is there.

Reference numeral 30 is a bracket fitting fixed to the bottom plate 1A of the housing 1. The bracket fitting 30 includes a flat plate portion fixed to the bottom plate 1A, a plate member 31 protruding vertically to the flat plate portion, and a plate member.
It is composed of a square hole 35 provided substantially at the center of 31.

The square hole 35 is a hole into which the square end 21 of the shaft 20 is fitted and fixed. Friction type hinge 100A, bracket 11
And the bracket metal fitting 30 are combined via the shaft 20.

In the friction type hinge 100, since the shaft 20 is engaged with the bracket fitting 30 as described above, when the opening / closing object 2 is opened, between the elastic body 17 provided on the bracket 11 side and the shaft 20,
A relatively large frictional resistance is generated. Therefore, the open / close object 2
Does not swing strongly forward, so that the open / close object 2 is not damaged.

As shown in FIG. 4, a bottom plate 1A of a box-shaped housing 1 having an open front surface for housing electric parts and the like, and a shallow box-shaped openable and closable object 2 which is openably and closably mounted in the front opening of the housing 1.
The edge frame 2A of is the center part of the bracket 11 and the bracket metal fitting.
They are connected by a friction type hinge 100 composed of 30 and the left and right ends are connected by hinges 5 which are widely used on the market.

Further, the magnet rubber 7 is fixed to the upper edge frame 2A of the opening / closing object 2, and the magnet rubber 7 is attracted to the magnetic plate fixed to the upper plate of the housing 1 to open / close the opening / closing object 2.
I try to keep it closed.

As mentioned above, a low cost general-purpose hinge 5;
Since it is used together with the friction type hinge 100 (or the friction type hinge 10), it can be applied to a large open / close object and the cost of the hinge mechanism can be reduced.

In FIG. 5, reference numeral 100A denotes a friction type hinge in which a bracket 11 fixed to the opening / closing object 2 side and a bracket metal fitting 30A fixed to the housing 1 side are connected via a shaft. The bracket 11 has the same shape as the bracket shown in FIG. 3, and a cylindrical elastic body made of a rubber material or the like is fitted in the shaft hole of the cylindrical portion 12.

The shaft also has the same shape as that of the shaft shown in FIG. 3, and at the end of the shaft, a square end 21 is formed, and a flange is provided between the square end 21 and the shaft. It is provided. The bracket metal fitting 30A includes a plate member 31 having a long hole 35A with which the square end 21 of the shaft is engaged, and an elastic plate having the plate member 31 fixed to one end and the other end fixed to the housing 1. And an arm plate 33 in the shape of a circle.

The bottom plate 1A of the housing 1 and the edge frame 2A of the shallow box-shaped opening / closing object 2 which is attached to the front opening of the housing 1 so as to be openable / closable are connected at the center by the above-mentioned friction type hinge 100A, and left and right. The vicinity of both ends of each is connected by a commercially available hinge 5.

Hinge central axis S ₂ of hinge 5 and friction type hinge 10
Friction hinge center axis S ₁ of 0A is not coincident, with closed-off object 2 (the arm plate 33 is undeflected), friction hinge center axis S ₁ of the friction-type hinge 100A, hinge 5 The friction hinge 100A is attached so as to be displaced upward from the hinge central axis S ₂ within the elastic deformation range of the arm plate 33.

Therefore, when a force is applied to the opening / closing object 2 in the opening direction, the arm plate 33 is elastically deformed as shown by the alternate long and short dash line, and after the friction type hinge central axis S ₁ coincides with the hinge central axis S ₂ , the opening / closing object ₂ is opened. 2 opens.

That is, due to the elastic force of the arm plate 33 acting in the opposite direction to the opening / closing operation of the opening / closing object 2 and the frictional resistance between the elastic body and the shaft, the opening / closing object 2 vigorously swings forward. Never.

Further, when the opening / closing object 2 is closed, the arm plate
The elasticity of 33 urges the opening / closing object 2 in the direction of closing. Therefore, the force applied to the open / close object at the time of closing can be small. If the width of the square end portion 21 of the shaft is made smaller than the width of the long hole 35A by a desired amount, the square end portion of the opening / closing object 2 is initially opened.
Since the frictional force between 21 and the long hole 35A does not act, the force applied to the open / close object 2 can be small.

[0043]

Since the present invention is constituted as described above, it has the following effects.

Since a relatively large frictional resistance is generated at the fitting portion between the shaft and the bracket when the opening / closing object is opened, the opening / closing object does not vigorously swing forward and collides with the installation surface of the housing. The openable object will not be damaged. In addition, when applied to a horizontally opened / closed object, the opened / closed object does not collide with adjacently installed equipment.

By using the friction type hinge or the friction type hinge in combination with the commercially available general-purpose hinge, the hinge mechanism can be applied to a large open / close object and the cost of the hinge mechanism can be reduced. According to the invention of claim 4, the elastic force of the arm plate acts in the opposite direction with respect to the operation of opening the opening / closing object, so that the opening / closing object is not vigorously swung forward or laterally. Further, when the opening / closing object is closed, the elastic force of the arm plate urges the opening / closing object in the closing direction, so that the force applied to the opening / closing object at the time of closing can be small.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention.

FIG. 2 is a diagram showing a main part of another embodiment.

FIG. 3 is a diagram of an embodiment of the invention of claim 2, (A) is a perspective view, and (B) is a sectional view.

FIG. 4 is a perspective view of an embodiment of the invention of claim 3;

FIG. 5 is a diagram of an embodiment of the invention of claim 4;

FIG. 6 is a perspective view of a conventional example.

[Explanation of symbols]

1 Housing 2 Open / close object 5 Hinge 10 Friction hinge 11,13 Bracket 12,14 Cylindrical part 15,20 Axis 16,17 Elastic body 21 Square end 30,30A Bracket metal fitting 31 Plate member 33 Arm plate 35 Square hole 35A Long hole 100,100A Friction type hinge S ₁ Friction type hinge central axis S ₂ Hinge central axis

Claims (4)

[Claims] 1. A bracket having a cylindrical portion into which a part of a shaft is inserted and fixedly held, and a cylindrical portion into which the other part of the shaft is inserted via an elastic body to rotatably hold the shaft. And a friction hinge, which comprises one of the brackets fixed to the opening / closing object and the other fixed to the housing. mechanism. 2. A bracket having a cylindrical portion for inserting a shaft through an elastic body and rotatably holding the shaft, and a bracket metal member having means for engaging with an end of the shaft.
A hinge mechanism for an open / close object, wherein one of the bracket or the bracket fitting is fixed to the opening / closing object and the other is fixed to the housing. 3. A hinge mechanism for an opening / closing object, wherein the housing and the opening / closing object are connected by using the friction type hinge or the friction type hinge and a hinge together. 4. A bracket having a cylindrical portion for inserting a shaft through an elastic body and rotatably holding the shaft, a plate member having an elongated hole with which a square end of the shaft is engaged, and one of A bracket metal fitting having an elastic plate-shaped arm plate for fixing the plate member to one end and the other end to the housing, and a friction type hinge including A hinge mechanism for an opening / closing object, characterized in that a housing and an opening / closing object are connected.