WO2013183555A1

WO2013183555A1 - Hinge device

Info

Publication number: WO2013183555A1
Application number: PCT/JP2013/065178
Authority: WO
Inventors: 真吾高松; 周作時本
Original assignee: スガツネ工業株式会社
Priority date: 2012-06-04
Filing date: 2013-05-31
Publication date: 2013-12-12
Also published as: CN104302858B; JPWO2013183555A1; CN104302858A; JP5643438B2

Abstract

A hinge device (A) in which one end of each of a first and a second link (3, 4) is rotatably coupled to a main body member (1) via, respectively, a first and a second pivot (6, 7), the other ends being rotatably coupled to an attachment member (2) via, respectively, a first and a second pivot (8a, 8b), wherein a limiting member (13A) is attached to the first and second pivots (8a, 8b). The limiting member (13A) sets a limit position in the opening direction within the range of rotation of the attachment member (2) by abutting against the first link (3).

Description

Hinge device

This invention relates to a hinge device in which one limit position of a rotation range of an attachment member attached to a door is determined by a restriction member.

Generally, the hinge device includes a main body member attached to the casing and an attachment member attached to the door. One end portions of the first and second links are rotatably connected to the main body member via first and second pivots parallel to each other. The other end portions of the first and second links are rotatably connected to the mounting member via third and fourth pivots parallel to the first and second pivots. As a result, the attachment member is rotatably connected to the main body member via the first and second links, and as a result, the door is rotatably connected to the housing via the hinge device.

In the hinge device configured as described above, the rotation angle between the closed position and the open position of the mounting member is set to a predetermined angle (for example, 105 °) (hereinafter referred to as a set angle). However, it may be desired to make the rotation angle of the attachment member smaller than the set angle. This is the case, for example, when the door collides with the wall before the door rotates a set angle from the closed position. In such a case, a hinge device in which the rotation angle of the attachment member is smaller than the set angle is desired. However, if the hinge device is designed and manufactured for each rotation angle of the attachment member, the types of hinge devices increase. There is a problem.

Therefore, in the hinge device described in Patent Document 1 below, a regulating member is used. The restricting member is disposed between the first link and the second link, and is provided on a surface of the first link facing the second link. When the attachment member rotates by a desired angle smaller than the original set angle from the closed position, the second link hits the first link via the restricting member. Thereby, the rotation angle range of the mounting member is restricted to a desired angle smaller than the original set angle. That is, the open position, which is one limit position of the rotation range of the mounting member, is determined by the regulating member.

JP 2009-13619 A

However, the conventional hinge device using the restriction member has a problem that it is difficult to attach the restriction member to the first link. That is, when attaching the regulating member to the surface of the first link facing the second link, the regulating member is moved from the other end side to the one end side along the surface facing the second link of the first link. However, the bottom of the attachment member having a cup shape exists in front of the other end side of the first link. Therefore, a through hole for inserting the restricting member is formed at the bottom of the mounting member. When the restricting member is attached to the first link, the restricting member passes through the through hole, and the first link and the second link. And is moved to a predetermined position along the surface of the first link facing the second link. It is a very difficult task to move the regulating member in this way. In addition, since the through-hole and the first link are separated from each other, the regulating member cannot be directly moved by a finger, and the regulating member must be pushed and moved by an elongated member such as a driver. It became even more difficult. In addition, a through hole has to be formed in the mounting member, and there is a problem that the work is troublesome.

In order to solve the above problems, the present invention provides a main body member, and first and second links rotatably connected to the main body member via first and second pivots whose one ends are parallel to each other. And the other end of each of the first and second links is rotatably connected via third and fourth pivots parallel to the first and second pivots, thereby being rotatable to the body member. A hinge device comprising a connected mounting member and a restricting member that defines one limit position of a rotation range of the mounting member, wherein the mounting member has first and second supports parallel to the first and second pivots. An axis is provided, and the distance between the first support axis and the second support axis is smaller than the distance between the first pivot axis and the third pivot axis and the distance between the second pivot axis and the fourth pivot axis. And both ends of the regulating member are the first and second Respectively supported on lifting axis, said first link by impinging on the regulating member, and wherein said limit position of the mounting member are defined.
In this case, the other end portion of the second link facing the first link is formed with an accommodating portion that is open toward the first link side, and the restricting member is disposed on the accommodating portion. The limit position of the mounting member is determined by being accommodated so as to be movable toward and away from the link, and the restricting member protruding from the opening of the accommodating portion and hitting the first link. Is desirable.
The attachment member is formed in a cup shape, at least a part of the third and fourth pivots is provided inside the attachment member, and the other end portions of the first and second links are inside the attachment member. Inserted through the opening, and supported by the third and fourth pivots, the first and second support shafts are provided inside the mounting member, and the restricting member is supported by the first and second supports. It is desirable that the shaft is detachably supported through the opening of the mounting member.
It is desirable that one end of the restricting member is supported by the third pivot, and the third pivot is also used as the first support shaft.
It is desirable that the other end of the restricting member is supported by the fourth pivot, and the fourth pivot is also used as the second support shaft.
More preferably, both ends of the restricting member are supported by the third and fourth pivots, respectively, and the third and fourth pivots are also used as the first and second support shafts, respectively.
The first and second support shafts may be formed separately from the third and fourth pivots.

According to this invention having the above-described characteristic configuration, since the restricting member is attached to the first and second support shafts, the restricting member is provided between the first link and the second link from the other end side to the one end. There is no need to move to the side. Therefore, the restricting member can be easily attached to the first and second support shafts. Moreover, it is not necessary to form a through hole in the mounting member, and the manufacturing cost of the hinge device can be reduced accordingly.
According to the second aspect of the invention, since the restricting member is accommodated in the accommodating portion of the second link, the interval between the first link and the second link is narrowed, or the restricting member interferes with other members. The degree of freedom in designing the hinge device can be expanded accordingly.
According to the third aspect of the present invention, the restriction member can be attached to the first and second support shafts through the opening of the attachment member having a cup shape, so that the restriction member can be more easily attached to the first and second support shafts. Can be attached to.
According to the fourth aspect of the invention, the third pivot is also used as the first support shaft, so the number of parts can be reduced accordingly.
According to the invention which concerns on Claim 5, since a 4th axis is shared as a 2nd support shaft, the number of parts can be reduced by that much.
According to the sixth aspect of the invention, the third and fourth pivots are also used as the first and second support shafts, so that the number of parts can be further reduced.

FIG. 1 is a cross-sectional view showing a first embodiment of the present invention in a state where its mounting member is located at a closed position. FIG. 2 is a partially omitted cross-sectional view showing the embodiment in a state where the mounting member is located at the open position. FIG. 3 is an exploded perspective view of the same embodiment. FIG. 4 is a perspective view showing a regulating member used in the embodiment. FIG. 5 is a side view of the regulating member. 6 is a view taken in the direction of arrow X in FIG. FIG. 7 is an enlarged cross-sectional view for explaining a method of attaching the restriction member to the third and fourth pivots. FIG. 8 is a cross-sectional view showing a second embodiment of the present invention in a state where the mounting member is located at the closed position. FIG. 9 is a partially omitted cross-sectional view showing the same embodiment with the mounting member positioned at the open position. FIG. 10 is a perspective view showing a regulating member used in the embodiment. FIG. 11 is a side view of the regulating member. FIG. 12 is an enlarged cross-sectional view for explaining a method of attaching the regulating member to the third and fourth pivots. FIG. 13 is a cross-sectional view showing a third embodiment of the present invention in a state where the mounting member is located at the closed position. FIG. 14 is a partially omitted cross-sectional view showing the same embodiment with the mounting member positioned at the open position. FIG. 15 is a perspective view showing a regulating member used in the embodiment. FIG. 16 is a side view of the regulating member. FIG. 17 is an enlarged cross-sectional view for explaining a method of attaching the restriction member to the third and fourth pivots. FIG. 18 is a side view showing a fourth embodiment of the present invention in a state where the mounting member is located at the closed position. FIG. 19 is a side sectional view showing the same embodiment as in FIG. FIG. 20 is a partially omitted side view showing the embodiment in a state where the mounting member is located at the open position. FIG. 21 is a partially omitted side sectional view showing the same embodiment in the same state as FIG. FIG. 22 is an exploded perspective view of the same embodiment. FIG. 23 is a side cross-sectional view similar to FIG. 19 showing the embodiment with the restriction member omitted. FIG. 24 is a partially omitted side sectional view similar to FIG. 21 showing the embodiment with the restriction member omitted. FIG. 25 is an enlarged cross-sectional view for explaining a method of attaching the regulating member to the fourth pivot and the support shaft in the same embodiment.

The best mode for carrying out the present invention will be described below with reference to the drawings.
1 to 7 show a first embodiment of the present invention. The hinge device A of this embodiment includes a main body member 1, a mounting member 2, and a pair of first and

second links

3 and 4.

The main body member 1 is made of a metal plate material, and includes a main plate portion 1a having a rectangular flat plate shape, and a pair of side plate portions 1b protruding from the long side portion of the main plate portion 1a in the same direction at substantially right angles. 1c and a substantially U-shaped cross section. The main body member 1 is disposed in the vicinity of the opening on the inner surface of a housing (not shown) having an opening with the longitudinal direction directed in the depth direction of the housing (the direction connecting the opening and the back). For convenience of explanation, in this embodiment, it is assumed that the housing has an opening on the front surface portion thereof, and the main body member 1 has a pair of

side plate portions

1b and 1c with its longitudinal direction directed in the front-rear direction. It is assumed that it is attached to the inner surface of the left side wall of the housing with the open portion (the portion opposite to the main plate portion 1a) facing the left side surface of the housing in the vertical direction. And each structure of the hinge apparatus A is demonstrated using front and rear, right and left of a housing | casing, and upper and lower sides. Of course, the hinge apparatus A is not limited to such a direction.

Although the main body member 1 may be directly attached to the inner surface of the left side wall of the casing, it is usually detachably attached to the inner surface of the left side wall of the casing through the base 5 as indicated by an imaginary line in FIG.

That is, a first engagement recess 5 a that is open toward the front is formed at the front end of the base 5. On the other hand, a first engagement shaft 1d whose longitudinal direction is directed in the vertical direction is provided at the front end portion of the main body member 1. When the first engagement shaft 1 d enters and engages with the first engagement recess 5 a, the front end portion of the main body member 1 is detachably attached to the front end portion of the base portion 5.

The rear end portion of the base portion 5 is provided with a second engagement shaft 5b whose longitudinal direction is directed in the vertical direction. On the other hand, an engagement member 1e is rotatably provided at the rear end portion of the main body member 1 via a support shaft 1f whose longitudinal direction is directed in the vertical direction. The engaging member 1e is urged to rotate clockwise in FIG. 1 by a coil spring 1g as urging means. A second engaging recess 1h is formed in a portion of the engaging member 1e facing the second engaging shaft 5b. The rear end portion of the main body member 1 is detachably attached to the rear end portion of the base portion 5 by the second engagement shaft 5b entering and engaging with the second engagement recess 1h.

In a state where the second engagement shaft 5b is engaged with the second engagement recess 1h, the first engagement shaft 1d is pressed against the bottom surface of the first engagement recess 5a by the biasing force of the coil spring 1g. The two engagement shafts 5b are pressed against the bottom surface of the second engagement recess 1h. As a result, the first and

second engagement shafts

1d and 5b are maintained in engagement with the first and second engagement recesses 5a and 1h, and as a result, the main body member 1 is maintained in a state of being attached to the base 5. Yes.

When removing the main body member 1 from the base 5, the engaging member 1e is rotated counterclockwise, and the second engaging shaft 5b is extracted from the second engaging recess 1h. Thereafter, the main body member 1 is moved forward, and the first engagement shaft 1d is extracted forward from the first engagement recess 5a. Thereby, the main body member 1 can be removed from the base 5. The attachment structure to the base 5 of the main body member 1 may adopt another known structure.

The attachment member 2 has a cup shape and is attached to the back surface of a door (not shown). The attachment member 2 is rotatably connected to the main body member 1 as described later. As a result, the door is rotatably connected to the housing via the hinge device A. The attachment member 2 is rotatable between a closed position shown in FIG. 1 and an open position shown in FIG. That is, the rotation range of the attachment member 2 is between the closed position and the open position (one limit position), and the angle between them is set to about 85 °, for example.

First and

second pivots

6 and 7 are provided at the front end portion of the main body member 1 in parallel with each other and the longitudinal direction thereof is directed vertically. The first pivot 6 is disposed in front of the second pivot 7 and on the right side. The arrangement of the first and

second pivots

6 and 7 is not limited to such an arrangement.

A shaft member 8 is provided on the attachment member 2. The shaft member 8 has a substantially “U” shape, and a first shaft portion (third pivot; first support shaft) 8a and a second shaft portion (fourth pivot; A second support shaft 8b is formed. The 1st and 2nd

axial parts

8a and 8b are arrange | positioned with the longitudinal direction facing the up-down direction. Accordingly, the first and

second shaft portions

8 a and 8 b are parallel to the first and

second pivot shafts

6 and 7. The 1st axial part 8a is always located ahead of the 2nd axial part 8b regarding the front-back direction. However, with respect to the left-right direction, the position relative to the second shaft portion 8b changes according to the rotational position of the mounting member 2. That is, when the mounting member 2 is located between the closed position and the predetermined intermediate position, it is positioned on the right side of the second shaft portion, and when the mounting member 2 is positioned at the intermediate position, the second shaft portion. When it is located at the same position in the left-right direction as 8b and the mounting member 2 is located between the intermediate position and the open position, it is located on the left side of the second shaft portion 8b. The distance between the first and

second shaft portions

8a and 8b is the distance between the first pivot 6 and the first shaft 8a, the distance between the second pivot 7 and the second shaft 8b, and the first and

second pivot

6 , 7 is narrower than any of the intervals.

The first link 3 is formed in a substantially U-shaped cross section by a connecting plate portion 3a having a flat plate shape, and

side plate portions

3b and 3c that protrude from both sides of the connecting plate portion 3a in the same direction at substantially right angles. Has been. The first link 3 is arranged such that the connecting plate portion 3a is positioned in front of the

side plate portions

3b and 3c and the

side plate portions

3b and 3c are opposed to each other in the vertical direction.

One end portions of the

side plate portions

3 b and 3 c of the first link 3 are respectively supported by both end portions of the first pivot 6 and are rotatably connected to the main body member 1 via the first pivot 6. The other end portions of the

side plate portions

3b and 3c of the first link 3 are respectively supported by both end portions of the first shaft portion 8a, and are rotatably connected to the attachment member 2 via the first shaft portion 8a. .

The second link 4 is configured by a pair of

side plate portions

4a and 4b arranged to face each other and a connecting plate portion 4c that connects one side portions of the

side plate portions

4a and 4b to each other. The second link 4 has the connecting plate portion 4c positioned in front of the

side plate portions

4a and 4b, faces the connecting plate portion 3a of the first link 3, and further directs the facing direction of the

side plate portions

4a and 4b in the vertical direction. It is arranged in the state. The distance between the outer surfaces (surfaces facing in opposite directions) of the

side plates

4a and 4b of the second link 4 is equal to or less than the distance between the opposing inner surfaces of the

side plates

3b and 3c of the first link 3. The second link 4 is inserted between the first and second

side plate portions

3b, 3c of the first link 3 so as to be displaceable in the direction along them. The connecting plate portion 4c is significantly shorter than the

side plate portions

4a and 4b, and is disposed in the middle portion in the longitudinal direction of the

side plate portions

4a and 4b. As a result, first and

second space portions

4d and 4e are formed between the one end portions and the other end portions of the

side plate portions

4a and 4b, respectively. The first and

second space portions

4d and 4e are opened in the front-rear direction and the left-right direction. Therefore, the first and

second space portions

4 d and 4 e are opened toward the first link 3 and are opened toward the opening of the attachment member 2.

One end portions of the

side plate portions

4 a and 4 b of the second link 4 are respectively supported by both end portions of the second pivot shaft 7 and are rotatably connected to the main body member 1 via the second pivot shaft 7. The other end portions of the

side plate portions

4a and 4b of the second link 4 are respectively supported by both end portions of the second shaft portion 8b, and are rotatably connected to the attachment member 2 via the second shaft portion 8b. .

As described above, the first link 3 is supported by the first pivot 6 and the first shaft 8a, and the second link 4 is supported by the second pivot 7 and the second shaft 8b. Further, the first pivot 6 is disposed in front of the second pivot 8a, and the first shaft 8a is disposed in front of the second shaft 8b. Therefore, the first link 3 is disposed in front of the second link 4, that is, in the direction from the back side of the housing toward the opening side.

Further, each end of the first and

second links

3 and 4 is rotatably connected to the body member 1 via the first and

second pivots

6 and 7, respectively. The other end portion is rotatably connected to the attachment member 2 via the first and

second shaft portions

8a and 8b, so that the attachment member 2 is rotatably connected to the main body member 1. The rotation range of the attachment member 2 is between the closed position shown in FIG. 1 and the open position shown in FIG.

Here, the closed position of the mounting member 2 shown in FIG. 1 is determined by the door abutting against the front surface of the housing, but the mounting member 2 is predetermined in the closing direction further than the closed position in the hinge device A alone. Can be rotated by an angle (for example, about 5 °). The closed position of the attachment member 2 in the hinge device A alone is determined by the first link 3 abutting against the attachment member 2.

On the other hand, as shown in FIG. 2, the open position of the attachment member 2 is determined by the restricting member 13 </ b> A hitting the connecting plate portion 3 a of the first link 3 as will be described later. Here, assuming that the restricting member 13A is not provided, the open position of the attachment member 2 (hereinafter referred to as an extended open position) at that time is the end of the attachment member 2 located on the right side in FIG. Is abutted against the

side plate portions

4a, 4b of the second link 4. The extended open position is a position when the attachment member 2 is rotated from the closed position toward the open position by a predetermined angle, for example, about 20 °, beyond the open position.

A shaft member 1 i is provided at the front end portion of the main body member 1 with its longitudinal direction directed in the vertical direction. A torsion coil spring 9 as a rotation urging means is externally attached to the shaft member 1i. One end portion 9 a of the torsion coil spring 9 abuts against an end portion of the one side plate portion 3 b of the first link 3 located on the main body member 1 side. The other end portion 9 b of the torsion coil spring 9 abuts against an end portion on the main body member 1 side of the side plate portion 4 b of the second link 4. As a result, the attachment member 2 is rotationally biased by the torsion coil spring 9 via the first and

second links

3 and 4. When the attachment member 2 is located between a predetermined intermediate position between the closed position and the extended open position and the closed position, the mounting member 2 is urged to rotate toward the closed position, and the intermediate position and the extended open position are When it is located between the two, it is urged to rotate toward the extended open position.

A rotary damper 12 is provided in a portion of the second pivot 7 located in the second space 4e. The rotary damper 12 is for suppressing the rotational speed to a low speed when the mounting member 2 rotates from the open position toward the closed position. The rotation damper 12 may be one that suppresses the rotation speed to a low speed when the attachment member 2 rotates from the closed position toward the open position, and the rotation member 12 of the attachment member 2 can be rotated in any rotation direction. The rotational speed may be kept low. Since the rotary damper 12 has a low relevance to the present invention, the detailed structure thereof will not be described.

A restricting member 13A is arranged in a first space (accommodating portion) 4d formed between the

side plates

4a and 4b of the second link 4. The restricting member 13A is formed as a block body having a substantially “<” shape in a side view by molding a hard resin. The restricting member 13A may be formed in a rectangular parallelepiped shape. The width between the upper and lower side surfaces facing the

side plate portions

4a and 4b of the regulating member 13A is set to be substantially the same as the distance between the

side plate portions

4a and 4b. Therefore, the regulating member 13A can be displaced in the direction along the

side plate portions

4a and 4b with respect to the second link 4, that is, the front-rear direction and the left-right direction, but cannot move in the up-down direction.

The restricting member 13A is supported by the first and

second shaft portions

8a and 8b. That is, a first engagement recess 13a that crosses the restriction member 13A in the vertical direction is formed on one end surface of the restriction member 13A. The bottom surface of the first engaging recess 13a is formed by a cylindrical surface with a center line positioned on one end surface of the regulating member 13A. Therefore, the first engaging recess 13a is formed in a semicircular cross section, and the width of the first engaging recess 13a is the widest in the open portion and narrows toward the back side.

The center line of the cylindrical surface constituting the first engagement recess 13a is a predetermined minute distance from the one end surface of the restricting member 13A where the first engagement recess 13a is formed (for example, the cylinder constituting the first engagement recess 13a). It may be arranged at a position spaced inward of the regulating member 13A by about 1/10 to 1/5 of the diameter of the surface. In that case, the width of the first engaging recess 13a is widened from the open portion to the center line of the cylindrical surface constituting the bottom surface of the first engaging recess 13a, and from the center line to the back. It narrows toward the side. Even in such a case, the width of the opening portion of the first engagement recess 13a is reduced by elastically deforming a portion of the one end portion of the restricting member 13A adjacent to the first engagement recess 13a. The diameter can be equal to or greater than the diameter of the cylindrical surface constituting the first engagement recess 13a.

The diameter of the cylindrical surface constituting the first engagement recess 13a is set to be substantially the same as the outer diameter of the first shaft portion 8a. Therefore, the 1st axial part 8a can be inserted in the 1st engagement recessed part 13a from the open part by moving to the radial direction, and is inserted in the 1st engagement recessed part 13a rotatably. The first engagement recess 13a can be inserted from the opening portion of the first engagement recess 13a by moving the first shaft portion 8a in the radial direction, and the first shaft portion 8a is rotatably inserted. If it is a thing, you may form in another shape, for example, a cross-sectional polygonal shape, without forming in a cross-sectional circle shape.

A second engaging recess 13b is formed at the other end of the restricting member 13A. The second engaging recess 13b is disposed in a bent portion of the inner surface (right surface in FIG. 5) of the restricting member 13A bent in a “<” shape and crosses the restricting member 13A in the vertical direction. ing. The bottom surface of the second engaging recess 13b is formed by a cylindrical surface. The center line of the cylindrical surface is a predetermined minute distance from the inner surface where the second engaging recess 13b is formed (for example, 1/10 to 1/5 of the diameter of the cylindrical surface constituting the second engaging recess 13b). And the like) are arranged at positions spaced toward the inner side of the regulating member 13A. Therefore, the width of the second engagement recess 13b is widened toward the back side from the open part to the center line of the cylindrical surface, and is narrowed toward the back side from the center line. The width of the open portion of the second engagement recess 13b is equal to or greater than the diameter of the cylindrical surface constituting the second engagement recess 13b by elastically deforming a portion adjacent to the second engagement recess 13b of the restricting member 13A. Can be.

The diameter of the cylindrical surface constituting the second engagement recess 13b is set to be substantially the same as the outer diameter of the second shaft portion 8b. Therefore, the second shaft portion 8b can be inserted into the second engagement recess portion 13b from the open portion, and is inserted into the second engagement recess portion by moving the second shaft portion 8b in the radial direction. Here, since the diameter of the second engagement recess 13b is the same as the outer diameter of the second shaft portion 8b, the width of the opening of the second engagement recess 13b is narrower than the outer diameter of the second shaft portion 8b. ing. Therefore, when the second shaft portion 8b is inserted into the second engagement recess 13b, the other end portion of the restricting member 13A is elastically deformed along with the insertion of the second shaft portion 8b into the second engagement recess 13b. The width of the open portion of the second engagement recess 13b is increased. If the second engaging recess 13b can be inserted into the second engaging recess 13b from its open portion by moving the second shaft portion 8b in the radial direction, the second engaging recess 13b may have another shape, For example, it may be formed in a polygonal shape.

The first and second

engaging recesses

13a and 13b have a distance between their centers (a distance between the centers of the cylindrical surfaces constituting the first and second

engaging recesses

13a and 13b). The distance between the centers of 8a and 8b is the same. Moreover, when the restricting member 13A is rotated about the first shaft portion 8a, the opening portion of the second engagement recess portion 13b can enter the second engagement recess portion 13b from the opening portion. Arranged to be able to.

When the restriction member 13A is attached to the first and

second shaft portions

8a and 8b, the attachment member 2 is first positioned at the closed position as shown in FIG. Next, the restricting member 13A is inserted into the mounting member 2 from the opening. And the open part of the 1st engagement recessed part 13a is made to oppose the outer peripheral surface of the intermediate part located between the side-

plate parts

3b and 3c of the 1st axial part 8a. Thereafter, as shown in FIG. 7, the regulating member 13A is moved relative to the first shaft portion 8a in the direction of arrow A, and the first shaft portion 8a is moved relative to the regulating member 13A in the radial direction of the first shaft portion 8a. Let Thereby, the 1st axial part 8a can be inserted in the 1st engagement recessed part 13a from the open part. Thereafter, the regulating member 13A is rotated in the arrow B direction around the first shaft portion 8a. Then, the intermediate part located between the

side plate parts

4a and 4b of the second shaft part 8b enters the second engaging recess 13b from its open part. When a little less than half of the second shaft portion 8b enters the second engagement recess 13b, the second shaft portion 8b then enters the second engagement recess 13b while opening the opening. Then, when the entire second shaft portion 8b enters the second engagement recess 13b, the restricting member 13A is supported by the first and

second shaft portions

8a and 8b. In addition, in the support state, the width of the open portion of the second engagement recess 13b is narrower than the outer diameter of the second shaft portion 8b. Unless rotating in the reverse direction, the restricting member 13A is maintained in a state supported by the first and

second shaft portions

8a and 8b.

When attaching the restricting member 13A to the first and

second shaft portions

8a and 8b, it is desirable to place the attaching member 2 in the closed position. In a state where the attachment member 2 is positioned at the closed position, the first and

second shaft portions

8a and 8b are greatly separated from the main body member 1 in a direction perpendicular to the longitudinal direction thereof (downward in FIGS. 1 and 7). Moreover, the first shaft portion 8a is exposed rearward (rightward in FIGS. 1 and 7) through the first space portion 4d and the opening portion of the mounting member 2, and the second shaft portion 8b is the opening of the mounting member 2. It is exposed rearward through the part. As a result, after the restricting member 13A is inserted into the attachment member 2 from the opening, it can be easily attached to the first and

second shaft portions

8a and 8b as described above. Of course, the restricting member 13A can be removed from the

shaft portions

8a and 8b through the reverse procedure. However, it is not essential to position the attachment member 2 in the closed position when the restriction member 13A is attached. If the restriction member 13A can be attached, the attachment member 2 is located in another position, for example, the open position. Also good.

The outer surface of the restricting member 13A bent in a "<" shape, that is, the surface facing the upper left of the upper facing surface and the upper facing surface in FIG. 5 (adjacent to the first engagement recess 13a on the left side) The contact surface 13c is a flat surface. The contact surface 13c protrudes obliquely forward to the right from the other end portions of the

side plate portions

4a and 4b of the second link 4 and the first space portion 4d when the mounting member 2 is located at the open position and in the vicinity thereof. When the attachment member 2 rotates from the closed position side to the open position, it strikes the connecting plate portion 3a of the first link 3 in a surface contact state. In other words, the open position of the attachment member 2 is determined by the contact surface 13c protruding from the first space portion 4d abutting against the connecting plate portion 3a of the first link 3.

In the hinge device A configured as described above, the restricting member 13A can be inserted from the opening of the attachment member 2 and attached to the first and

second shaft portions

8a and 8b. Therefore, the restriction member 13A is easily attached to the first and

second shaft portions

8a and 8b as compared with the conventional hinge device in which the restriction member is inserted between the first and second links from the other end side. be able to. Moreover, since the restricting member 13A can be attached from the opening of the attachment member 2, there is no need to change the shape of the attachment member 2 such as forming a through hole in the bottom of the attachment member 2. Therefore, the manufacturing cost of the hinge device A can be suppressed at a low cost.

Further, in the hinge device A, the opening position of the attachment member 2 is determined by the restriction member 13A hitting the first link 3, and the second link 4 is not involved at all in the opening position of the attachment member 2. . Therefore, when the attachment member 2 reaches the open position, only the first link 3 is elastically deformed, and the second link 4 is not deformed. On the other hand, the restricting member 13A is deformed, but both end portions of the restricting member 13A are supported by the first and

second shaft portions

8a and 8b, and the interval between the first and

second shaft portions

8a and 8b is as follows. The distance between the first pivot 6 and the first shaft portion 8a and the distance between the second pivot 7 and the second shaft portion 8b are narrower. Therefore, when the restricting member 13A hits the first link 3, the restricting member 13A is hardly elastically deformed. Further, since the restricting member 13A is attached to the first and

second shaft portions

8a and 8b, the restricting member 13A abuts against the first link 3 at the end near the first shaft portion 8a. Therefore, the elastic deformation amount of the first link 3 when the restricting member 13A hits the first link 3 can be made smaller than that of the conventional hinge device in which the intermediate portion of the first link hits the second link. Thus, the amount of elastic deformation when the first link 3 and the restricting member 13A abut against each other is small, and the second link 4 does not elastically deform, so the amount by which the mounting member 2 rotates beyond the open position. It is possible to prevent the situation where the door collides with a wall or the like.

Furthermore, in this embodiment, the hinge device A can be used as a hinge device whose open position is the extended open position by removing the regulating member 13A from the first and

second shaft portions

8a and 8b. Further, by using another restricting member instead of the restricting member 13A, the open position of the attachment member 2 can be changed to a desired position.

Next, another embodiment of the present invention will be described. In the following embodiment, only the configuration different from the above embodiment will be described, and the same components as those in the above embodiment will be denoted by the same reference numerals and the description thereof will be omitted.

8 to 12 show a second embodiment of the present invention. In the hinge device B of this embodiment, a restricting member 13B is used instead of the restricting member 13A of the first embodiment. The restriction member 13B also has a first engagement recess 13a formed at one end thereof and a second engagement recess 13b formed at the other end thereof.

For convenience of explanation, first, the second engagement recess 13b will be described. The second engagement recess 13b is formed on a surface facing downward in FIG. 11 among the inner surfaces of the regulating member 13B bent in a “<” shape. It is opened toward the one end side of the regulating member 13B. The center line of the cylindrical surface constituting the second engagement recess 13b is disposed on the surface facing downward. Therefore, the width of the second engagement recess 13b is the widest at the opening and narrows toward the back side. The center line of the cylindrical surface constituting the second engagement recess 13b may be disposed inside the regulating member 13B above the surface facing downward. In that case, the width of the second engaging recess 13b becomes wider toward the back side from the opening to the center line, and becomes narrower toward the back side from the center line. A second shaft portion 8b can be inserted into the second engagement recess portion 13b from the opening portion, and the regulating member 13B is placed in a state where the opening portion of the second engagement recess portion 13b faces the second shaft portion 8b. By moving relative to the second shaft portion 8b in the direction from the other end portion of the regulating member 13B toward the one end portion (the direction of arrow A in FIG. 12), the second shaft portion 8b is opened to the second engagement recess portion 13b. It is inserted so as to be detachable from the part.

On the other hand, the first engaging recess 13a is formed at one end of a surface facing diagonally downward to the right in FIG. 11 of the inner surface of the regulating member 13B bent in a “<” shape. As shown in FIG. 12, the opening portion of the first engagement recess 13a is formed by rotating the regulating member in the direction of arrow B about the second shaft portion 8b inserted in the second engagement recess 13b. The part 8a is arranged so as to be relatively moved in the radial direction so as to enter the first engaging recess 13a from the open part.

The center line of the cylindrical surface constituting the first engaging recess 13a is disposed at a position spaced a predetermined minute distance from the surface facing the lower left to the inside of the regulating member 13B. Therefore, the width of the first engaging recess 13a is widened from the open part to the center line toward the back side, and narrowed from the center line to the back side. The width of the opening portion of the first engaging recess 13a can be widened to be equal to or greater than the outer diameter of the first shaft portion 8a by elastically deforming a portion of the regulating member 13B adjacent to the opening portion.

When attaching the restricting member 13B to the first and

second shaft portions

8a, 8b, the restricting member 13B is first inserted into the attachment member 2 from its opening. And the open part of the 2nd engagement recessed part 13b is made to oppose the 2nd axial part 8b. Thereafter, the regulating member 13B is relatively moved in the direction from the other end to the one end (the direction of arrow A in FIG. 12). Then, as shown in FIG. 12, the second shaft portion 8b relatively moves in the radial direction and enters the second engagement recess 13b from the opening portion. When the second shaft portion 8b is thus inserted into the second engagement recess 13b, the regulating member 13B is rotated about the second shaft portion 8b in the direction of arrow B in FIG. Then, the opening part of the 1st engagement recessed part 13a and the 1st axial part 8a oppose the tangential direction of a rotation circle. Therefore, when the regulating member 13B is further rotated, the first shaft portion 8a relatively moves in the radial direction and enters the first engaging recess 13a from the opening portion. Of course, the first shaft portion 8a enters the first engagement recess 13a while increasing the width of the first engagement recess 13a. When the first shaft portion 8a enters the first engagement recess 13a, the width of the opening portion of the first engagement recess 13a becomes narrow. Accordingly, the restricting member 13B is prevented from rotating in the direction opposite to the arrow B direction around the second shaft portion 8b. As a result, the regulating member 13B is maintained in a state of being attached to the first and

second shaft portions

8a and 8b.

13 to 17 show a third embodiment of the present invention. In the hinge device C of this embodiment, a regulating member 13C is used instead of the regulating member 13A. In the restricting member 13C, the first engaging recess 13a is formed on one end face of the restricting member 13C, as in the first embodiment. The first engaging recess 13a is opened downward in FIG.

The center line of the cylindrical surface constituting the first engaging recess 13a is arranged on the upper side in FIG. 16 from one end surface of the regulating member 13C, that is, inside the regulating member 13C. Therefore, the width of the first engaging recess 13a is widened from the open portion to the center line toward the back side, and is narrowed from the center line toward the back side. The width of the open portion is the first shaft portion 8a. It is narrower than the outer diameter. Of course, the width of the opening portion of the first engagement recess 13a can be increased to be equal to or greater than the outer diameter of the first shaft portion 8a by elastically deforming a portion adjacent to the first engagement recess 13a of the restricting member 13C. It is.

On the other hand, the second engagement recess 13b is formed on the surface facing downward in FIG. 16 among the inner surfaces of the restricting member 13A having a “<” shape. The second engaging recess 13b is opened downward. That is, the opening portion of the second engagement recess 13b is oriented in the same direction as the opening portion of the first engagement recess 13a.

The center line of the cylindrical surface constituting the second engagement recess 13b is arranged inside the regulating member 13C above the surface on which the second engagement recess 13b is formed. Therefore, the width of the second engaging recess 13b is widened from the open part to the center line toward the back side, and is narrowed from the center line to the back side. The width of the open part is the width of the second shaft part 8b. It is narrower than the outer diameter. Of course, the width of the open portion of the second engagement recess 13b can be increased to be equal to or greater than the outer diameter of the second shaft portion 8b by elastically deforming a portion adjacent to the second engagement recess 13b of the restricting member 13C. It is.

When the restricting member 13C is attached to the first and

second shaft portions

8a and 8b, as shown in FIG. 17, the open portions of the first and second engaging

recess portions

13a and 13b are formed as the first and second shaft portions. It is made to oppose each outer peripheral surface of 8a, 8b. Thereafter, the restricting member 13C is moved in the opening direction of the opening portions of the first and second

engaging recesses

13a and 13b (in the direction of arrow A in FIG. 17), and the first and

second shaft portions

8a and 8b are moved to the restricting member. 13C is relatively translated in the radial direction of the first and

second shaft portions

8a and 8b. Then, the first and

second shaft portions

8a and 8b enter the first and second

engaging recesses

13a and 13b while expanding the open portions. When the first and

second shaft portions

8a and 8b enter the first and second engagement recesses 13a and 13b, the widths of the open portions of the first and second engagement recesses 13a and 13b are reduced. Thereby, the restricting member 13C is attached to the first and

second shaft portions

8a and 8b. About any one of the 1st and 2nd engagement recessed

parts

13a and 13b, you may make the width | variety of the open part the same as the outer diameter of the 1st or 2nd

axial part

8a and 8b inserted in the said one.

18 to 25 show a fourth embodiment of the present invention. In the hinge device D of this embodiment, instead of the shaft member 8, two

shaft members

8A and 8B which are separate from each other are used. One shaft member 8A is attached to the upper side (left side in FIG. 22) of the attachment member 2, and the other shaft member 8B is located on the lower side (left side in FIG. 22) of the attachment member 2. It is attached. Each of the

shaft members

8A and 8B has a “J” shape, and has short shaft portions (third pivots) 8c and 8d having a short length and

long shaft portions

8e and 8f having a long length. Yes. The

short shaft portions

8c and 8d and the

long shaft portions

8e and 8f are formed in parallel to each other.

The short shaft portions (third pivots) 8c and 8d of the

shaft members

8A and 8B are arranged on the same axis as the first shaft portion 8a of the above-described embodiment. The tip of one short shaft portion 8 c is protruded into the mounting member 2 through the upper side wall portion of the mounting member 2. The distal end portion of the other short shaft portion 8d is protruded into the mounting member 2 through the lower side wall portion. The other end portions (end portions on the attachment member 2 side) of the

side plate portions

3b, 3c of the first link 3 are provided at the tip portions of the

short shaft portions

8c, 8d protruding inside the attachment member 2. As a result, the other end portion of the first link 3 is rotatably connected to the attachment member 2 via the

short shaft portions

8c and 8d.

The long shaft portion (fourth pivot axis; second support shaft) 8f of the shaft member 8B is disposed on the same axis as the second shaft portion 8b of the above-described embodiment, and the tip portion is the lower side of the mounting member 2 From the side wall portion to the upper side wall portion. And the other end part (end part by the side of the attachment member 2) of the side-

plate parts

4a and 4b of the 2nd link 4 is provided in the part located in the attachment member 2 of the long axis part 8f. As a result, the other end portion of the second link 4 is rotatably connected to the attachment member 2 via the long shaft portion 8f.

The long shaft portion (first support shaft) 8e of the shaft member 8A is arranged so as to form a triangle with the

short shaft portions

8c and 8d and the long shaft portion 8f when viewed from the axial direction. More specifically, when the mounting member 2 is located at the closed position, it is on the left side (lower side in FIG. 23) with respect to the

short shaft portions

8c and 8d and on the front side with respect to the long shaft portion 8f (the bottom portion of the mounting member 2). It arrange | positions so that it may be located in the side; left side in FIG.

A regulating member 13D is detachably attached to the

long shaft portions

8e and 8f as follows. That is, the restricting member 13 </ b> D is inserted into the mounting member 2 from the opening. Then, the restricting member 13D is moved in the direction of arrow A in FIG. 25 with the first engaging recess 13a facing the long shaft portion 8e. At this time, since the regulating member 13D is in contact with the long shaft portion 8f, the long shaft portion 8f can be used as a guide. When the regulating member 13D is moved to a predetermined position, the long shaft portion 8e is inserted into the first engaging recess 13a until it abuts against the bottom thereof. Then, the 2nd engagement recessed part 13b opposes the long axis part 8f. Therefore, when the regulating member 13D is moved in the arrow B direction, the long shaft portion 8f is inserted into the second engaging recess 13b until it hits the bottom. Thereby, the regulating member 13D is detachably attached to the

long shaft portions

8e and 8f.
In addition, the width | variety of the 1st and 2nd engagement recessed

parts

13a and 13b is the widest in the part a little back | inner side from the opening part.

The relationship among the

shaft members

8A and 8B, the first and

second links

3 and 4, and the regulating member 13D can be variously modified.
For example, the long shaft portion 8e is disposed at the position of the long shaft portion 8f, and the long shaft portion 8f is disposed at the position of the long shaft portion 8e. And while providing the 2nd link 4 in the long shaft part 8e, the long shaft part 8e is engaged with the 2nd engagement recessed part 13b of 13 C of control members, while the long shaft part 8f is the 1st engagement recessed part of 13 C of control members It may be engaged with 13a.
Further, the other end portion of the second link 4 may be supported by the

short shaft portions

8c and 8d. In that case, either one of the

long shaft portions

8e and 8f supports the other end of the first link 3 and one end of the restricting member 13D, and the other only supports the other end of the restricting member 13D. .

In addition, this invention is not limited to said embodiment, A various modification is employable in the range which does not deviate from the summary.
For example, in the above-described embodiment, the first and second engagement recesses 13a and 13b are formed in the

regulation members

13A, 13B, 13C, and 13D, but the first and second engagement recesses 13a and 13b are formed. Alternatively, a hole without an open portion may be formed. In that case, the first and

second shaft portions

8a and 8b are respectively inserted into the holes by moving the first and

second shaft portions

8a and 8b in the axial direction thereof.
In the above embodiment, the open position of the attachment member 2 is restricted by the restriction members 13A to 13D. However, the closed position of the attachment member 2 may be restricted.

A hinge device B hinge device C hinge device D hinge device 1 main body member 2 mounting member 3 first link 4 second link 4d first space (accommodating portion)
6 1st axis 7 2nd axis 8a 1st axis part (3rd axis: 1st support axis)
8b 2nd axis part (4th axis; 2nd support axis)
8c Short axis (third axis)
8d short axis (third axis)
8e Long shaft (first support shaft)
8f Long shaft part (4th pivot; 2nd support shaft)

13A regulating member

13B regulating member

13C regulating member

13D regulating member 13a first engaging recess 13b second engaging recess

Claims

A main body member; first and second links rotatably connected to the main body member via first and second pivots parallel to each other; and each of the first and second links. An attachment member whose end is rotatably connected via third and fourth pivots parallel to the first and second pivots, and thereby rotatably coupled to the body member, and a rotation range of the attachment member A hinge device including a regulating member that defines one limit position of
The mounting member is provided with first and second support shafts parallel to the first and second pivot shafts, and an interval between the first support shaft and the second support shaft is set between the first pivot shaft and the third pivot shaft. And an interval narrower than the interval between the second pivot and the fourth pivot,
Both end portions of the restricting member are respectively supported by the first and second support shafts, and the limit position of the mounting member is determined by the first link abutting against the restricting member. Hinge device.
The other end portion of the second link facing the first link is formed with an accommodating portion opened toward the first link side,
The regulating member is accommodated in the accommodating portion so as to be movable in a direction approaching and separating from the first link,
The hinge device according to claim 1, wherein the limit position of the attachment member is determined by the regulation member projecting from the opening portion of the housing portion and abutting against the first link.
The mounting member is formed in a cup shape,
At least a portion of the third and fourth pivots is provided inside the mounting member;
The other end portions of the first and second links are inserted into the mounting member through the openings, and are supported by the third and fourth pivots, respectively.
The first and second support shafts are provided inside the mounting member;
The hinge device according to claim 1 or 2, wherein the regulating member is detachably supported by the first and second support shafts through an opening of the mounting member.
The hinge device according to any one of claims 1 to 3, wherein one end portion of the regulating member is supported by the third pivot, and the third pivot is also used as the first support shaft.
The hinge device according to any one of claims 1 to 3, wherein the other end portion of the regulating member is supported by the fourth pivot shaft, and the fourth pivot shaft is also used as the second support shaft.
The both ends of the regulating member are supported by the third and fourth pivots, respectively, and the third and fourth pivots are also used as the first and second support shafts, respectively. 4. The hinge device according to any one of 3.
The hinge device according to any one of claims 1 to 3, wherein the first and second support shafts are formed separately from the third and fourth pivot shafts.