JPH05295941A - Hinge - Google Patents

Abstract

PURPOSE:To simplify a rotating mechanism of a hinge rotatable by approx. 270 deg. such as a hinge used in the opening and closing section of a rear door of a truck burden carrier to eliminate a conventional hinge, reduce man-hour for mounting the hinge, reduce time for mounting work, give mounting accuracy surely, reduce the weight of a hinge, and increase attractiveness of a rear door section, etc., of the truck burden carrier. CONSTITUTION:When a rear door 11 is opened, as a first stage, a connecting member 21 and a rear door 11 are rotated together by approximately 90 deg. relative to rear column (No. 1 member). Next, as a second stage, the rear door 11 is further rotated by approximately 180 deg. relative to the connecting member 21 stopped after a rotation of approx.. 90 deg. and, as a result, the rear door 11 is opened by approximately 270 deg. relative to the rear column 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION This invention is applicable to, for example, building materials, civil engineering,
Alternatively, the present invention relates to a hinge used for a rotating (opening / closing) portion in the field of transportation and the like, particularly a hinge for rotating about 270 °.

[0002]

2. Description of the Related Art Conventionally, for example, a hinge made of stainless steel has been used for the opening / closing portion of the rear door of a truck carrier, and the rear door has been attached so that it can be opened and closed by approximately 270 °.

[0003]

However, the conventional hinge has a problem that not only is it troublesome to install the hinge, but it is difficult for an inexperienced operator to obtain the accuracy of the attachment. Moreover, the conventional hinges are made of stainless steel, and the weight of each one is heavy, which increases the weight of the truck as a whole, and the appearance of many hinges appears on the outer surface of the side wall of the luggage, resulting in a very bad appearance. However, in addition to being aesthetically unfavorable, the stainless steel hinge has a problem that rust is generated by long-term use.

An object of the present invention is to solve the above-mentioned problems of the prior art, simplify the hinge rotation mechanism such as the opening / closing part of the rear door of the truck carrier, and eliminate the need for attaching a conventional stainless steel hinge. Therefore, the number of mounting steps can be significantly reduced, the hinge mounting work can be done easily, and the mounting accuracy can be ensured. In addition, the hinge can be made lighter and the truck bed It is an object of the present invention to provide a hinge that can be rotated by approximately 270 ° and that can improve the aesthetics of the rear door portion and the like.

[0005]

In order to achieve the above object, the present invention provides a first hinge component provided on a first member and a second hinge component provided on a second member, A third hinge component provided on one side of the coupling member that couples both members and combined with the first hinge component of the first member, and a second hinge of the second member provided on the other side of the coupling member.
A hinge formed of a fourth hinge constituent part combined with a hinge constituent part, wherein the second member can be opened and closed approximately 270 ° with respect to the first member via a connecting member, A first hinge part having a circular arc-shaped cross section extending inward and rearward from a rear end outer edge of the same member;
The guide portion is formed so as to project outward from the rear end and has a projecting portion having a forwardly projecting first engaging portion at the tip, and the first hinge component portion is opened outward. A third hinge component fitting recess having an opening is provided, and the third hinge component of the connecting member is provided with a folded third engaging portion having a substantially cross-section in cross section. And, it is provided on the side edge portion of the same member on the side of the first hinge forming portion so as to project forward, and the end face of the third engaging portion has a semicircular cross section centered on the point (A), A second hinge forming portion of the second member has a front bent portion having an arcuate cross-section provided in a state of projecting outward obliquely forward at an outer end front side edge of the same member, and a flat portion extending rearward from a tip of the front bent portion. Section, a rear bent portion having an arcuate cross section extending obliquely inward rearward from the tip of the flat portion, and a tip of the rear bent portion. The second hinge forming portion is provided with a folded-back second engaging portion extending forward, and the second hinge forming portion is provided with a fourth hinge forming portion partially fitting concave portion having an opening opening rearward, and The end surface of the second engaging portion of the second hinge forming portion has a semicircular cross section centered on the point (B), and the fourth hinge forming portion of the connecting member is rearward from the width center portion of the same member. Inwardly extending and second of second member
A second guide portion having an arcuate cross section that covers the front bent portion of the hinge component, and a third guide portion that extends obliquely inward rearward from the rear end of the connecting member and that has an arcuate cross section that covers the rear bent portion of the second hinge component. The fourth hinge forming portion of the connecting member includes a guide portion and a folded-back fourth engaging portion extending forward from the tip of the third guide portion and extending along the second engaging portion of the second hinge forming portion. Is provided with a second hinge component fitting recess having an opening that opens inwardly, and is in a state before the second member combined with the first member via the connecting member is rotated. In the above, the folded-back third engaging portion of the third hinge forming portion of the connecting member is engaged with the front protruding first engaging portion of the first hinge forming portion of the first member, and The two-hinge component is housed in the recess of the fourth-hinge component of the connecting member. The connecting member and the second member swing with respect to the first member about the center point (A) of the end face of the engaging portion of the third hinge forming portion on the connecting member side, and the connecting member and the second member Is rotated about 90 ° with respect to the first member, the third hinge forming portion of the connecting member is housed in the recess of the first hinge forming portion of the first member, and the third hinge forming portion of the connecting member is rotated about 90 ° with respect to the connecting member. The second member swings around the center point (B) of the end face of the engaging portion of the second hinge forming portion on the second member side,
When the member is further rotated by approximately 180 ° with respect to the connecting member, the third guide portion and the fourth engaging portion of the fourth hinge forming portion of the connecting member are housed in the recess of the second hinge forming portion. The main point is the hinge.

[0006]

The above-mentioned hinge is used, for example, to open and close the rear door of the truck bed by approximately 270 °.

Here, the hinge includes, for example, a first hinge constituent portion provided on a first member constituting a rear pillar of a truck carrier and a second hinge constituent portion provided on a second member constituting a rear door. A third hinge component that is provided on one side of the coupling member that couples both members and that is combined with the first hinge component of the first member, and a third hinge component that is provided on the other side of the coupling member and that of the second member 4th combined with 2 hinge components
The second member (rear door) can be opened and closed approximately 270 ° with respect to the first member (rear column) via the connecting member.

A state in which the second member (rear door) of the truck bed is closed, that is, a state in which the second member (rear door) combined with the first member (rear column) via the connecting member is not rotated. In the above, the folded-back third engaging portion of the third hinge forming portion of the connecting member is engaged with the front protruding first engaging portion of the first hinge forming portion of the first member (rear column), and The second hinge component of the two member (rear door) is housed in the recess of the fourth hinge component of the connecting member.

When opening the second member (rear door),
First, as a first step, the connecting member and the second member (rear door) are rotated together by about 90 ° with respect to the first member (rear strut),
Then, in the second step, the second member (rear door) further rotates about 180 ° with respect to the connecting member after the connecting member has been rotated by about 90 ° in a stopped state, and as a result, the first member (rear part) is rotated. The second member (rear door) is opened approximately 270 ° with respect to the strut via the connecting member.

In the first stage, the first member (rear support)
On the other hand, the connecting member and the second member (rear door) swing about the center point (A) of the end face of the engaging portion of the third hinge forming portion on the connecting member side, and the connecting member and the second member ( Rear door)
Is rotated about 90 ° with respect to the first member (rear column), the third hinge component of the connecting member is housed in the recess of the first hinge component of the first member (rear column).

In the second stage, the second member (rear door) is attached to the end surface of the engaging portion of the second hinge forming portion on the side of the second member (rear door) with respect to the connecting member rotated by about 90 °. Center point (B)
In a state in which the second member (rear door) is further rotated approximately 180 ° with respect to the connecting member, the third member of the fourth hinge forming part of the connecting member is inserted into the recess of the second hinge forming part.
The guide part and the fourth engagement part are housed.

Due to the resistance of the hinge portion when the second member (rear door) is opened and closed, for example, as the first stage,
The second member (rear door) first rotates approximately 180 ° with respect to the connecting member, and then, as a second step, the connecting member and the second member (rear door) together with respect to the first member (rear support). About 90
There is no problem even if the second member (rear door) is rotated by an angle of 270 ° with respect to the first member (rear column), and the second member (rear door) is opened through the connecting member.

As described above, according to the present invention, for example, the rotation mechanism of the hinge of the second member (rear door) with respect to the first member (rear post) of the truck carrier is simplified, and the second member (rear door). ) Can be opened and closed (rotated) by about 270 °, and the conventional hinge is not required to be attached at all.

Since the first member (rear post), the second member (rear door) and the connecting member may be simply combined, the number of steps for attaching the hinge can be greatly reduced.
It does not take time and effort to install the hinge, and the installation accuracy can be ensured.

The first member (rear column), the second member (rear door) and the connecting member are usually made of aluminum extruded material, so that the weight of the hinge can be reduced and the rear door portion of the truck carrier can be achieved. Can improve the aesthetics of.

The first member (rear column) and the second member (rear door) are not limited to the aluminum extruded shape, but may be made of other materials, and the connecting member may be made of other metal. Alternatively, it may be made of a hard synthetic resin.

[0017]

Embodiments of the present invention will now be described with reference to the drawings.

In the embodiment, the hinge according to the present invention is
It is applied when the second member made of aluminum hollow extruded profile forming the rear door is attached to the first member made of aluminum central extruded profile constituting the rear pillar of the truck carrier so that it can be opened and closed by 270 °. is there.

In this specification, the front and rear sides are based on FIG. 1, the front side means the left side of FIG. 1, and the rear side means the right side. The inside and outside are based on the truck bed, the inside is the inside of the truck bed, and the outside is the same as the outside. Therefore, in FIG. 1, the inside is the upper side in the figure and the outer side is the lower side. To do.

First, referring to FIG. 4, the rear doors (11) and (11) of the truck carrier (10) are so-called double-sided doors having a pair of left and right identical structures, each of which is opened and closed by 270 ° by the hinge (5) according to the present invention. It is installed freely.

The pair of rear doors (11) and (11) are symmetrical, have the same structure, and open and close by the same action. Therefore, the rear door (second member) (11) will be described below. One of the two will be described in detail.

Here, FIG. 1 shows a rear door (second member) (11).
2 shows the closed state, and FIG. 2 shows the case where the rear door (11) is opened, as the first step, the rear support (first member).
The connecting member (21) and the rear door (11) are together 90 ° with respect to (1).
In the rotated state, FIG. 3 shows 90 ° as the second stage.
The rear door (11) further rotates 180 ° with respect to the connecting member (21) stopped after the rotation, and the rear door (1) is rotated with respect to the rear strut (1).
1) shows a state in which it is opened 270 ° as a whole.

First, in FIG. 1, the hinge (5) is a first hinge forming portion provided on the first member (1) which constitutes the rear pillar of the aluminum hollow extruded profile of the truck carrier (10).
(2) and the second hinge component (1) provided on the second member (11) that also constitutes the rear door made of aluminum hollow extruded profile.
2) and one side of the connection member (21) made of an aluminum extruded shape for connecting both members (1) and (11) and the rear support (first
Member (1) and the third hinge component (22) combined with the first hinge component (2), and the rear door (second member) (11) provided on the other side of the connecting member (21). ) And a fourth hinge component (32) combined with the second hinge component (4).

The first hinge-constituting part (2) on the side of the rear support (first member) (1) has a first arcuate cross section extending inward and rearward from the outer edge of the rear end of the same member (1). A guide (3),
Overhanging portion (4) provided outwardly from the rear end of the first guide portion (3) and having a first engaging portion (6) projecting forward at the front end
The first hinge component (2) is composed of
A third hinge component fitting recess (9) having an opening (8) opening outward is provided. A recess (7) for fitting a part of the connecting member (21) is provided on the rear side of the first hinge component (2) on the rear support (1) side. 7) is for making the door (11) as close as possible to the rear pillar (1) when the rear door (11) shown in FIG. 1 is closed.

On the other hand, the third hinge component (2
2) includes a third engaging portion (26) having a substantially cross section in cross section and a folded shape at the tip thereof, and the member (21) is provided with a front side edge portion on the side of the first hinge forming portion. It is provided in a protruding shape and has a third engaging portion (2
The end face (27) of 6) has a semicircular cross section centered on the point (A).

Further, the second hinge forming part (12) of the rear door (second member) (11) is a cross section provided at the front edge of the outer end of the same member (11) so as to project forward obliquely outward. Arc-shaped front bent part (13), flat part (14) extending rearward from the front end of the front bent part (13), and rear side arcuate in section extending obliquely inward rearward from the end of the flat part (14) Bend (15) and this rear bend (15)
And a folded second engaging portion (16) extending forward from the tip of the. In the second hinge component (12),
A recess (19) for partially fitting the fourth hinge constituent part having an opening (18) opening rearward is provided, and the second engaging part (16) of the second hinge constituent part (12) is provided. The end face (17) is a point
It has a semicircular cross section centered on (B).

The fourth hinge component (32) of the connecting member (21) is
A front bent portion of the second hinge forming portion (12) of the rear door (second member) (11) that extends rearward inward from the width center of the member (21)
A second guide part (33) having an arcuate cross section covering the (13) and a connecting member (2
1) A third guide portion that extends obliquely inward rearward from the rear end and that has a circular arc-shaped cross section that covers the rear bent portion (15) of the second hinge component portion (12)
(34) and extends forward from the tip of the third guide part (34)
The fourth hinge portion (32) of the connecting member (21), which is formed by the folded fourth engaging portion (36) along the second engaging portion (16) of the hinge constituting portion (12), An opening that opens inward
A second hinge component fitting recess (39) having (38) is provided.

In the above, the rear door (second member) (11)
In order to attach the to the rear support (first member) (1) of the truck carrier (10) via the connecting member (21), first, for example, the recessed part (1) of the first hinge component (2) of the rear support (1) ( 9) Inside, the folded-back third engaging portion (2) of the third hinge constituting portion (22) of the connecting member (21).
Insert 6) while sliding it from one end, and
The first protruding engaging portion (6) of the hinge component (2) has a third
The folded third engaging portion (26) of the hinge component (22) is engaged with each other. Then, in the recess (39) of the fourth hinge component (32) of the connecting member (21), the second hinge component (12) on the rear door (second member) (11) side is provided. It may be inserted while sliding from one end.

The rear door (second member) (11) as described above is mounted by the aluminum extruded rear door (second member).
Since (11) is simply fitted to the rear column (first member) (1) made of aluminum extruded shape, it is possible to work even by an amateur, and the rear door (second member) (11) The number of installation steps can be reduced significantly, and the rear door (second member)
(11) The installation work does not take time and the installation accuracy can be ensured.

In the state shown in FIG. 1, the rear door (second member) (11) assembled to the rear pillar (first member) (1) of the truck carrier (10) via the connecting member (21) is shown. The closed state, that is, the state before the rear door (second member) (11) is rotated. At this time, the front protruding first engaging portion (6) of the first hinge forming portion (2) of the rear support (first member) (1) is connected to the third hinge forming portion (22) of the connecting member (21). The folded-back third engaging portion (2
6) are engaged, and the rear door (second member) (1
The second hinge forming part (12) of 1) is housed in the recess (39) of the fourth hinge forming part (32) of the connecting member (21).

Next, as shown in FIG. 2, the rear support (first member) (1) is connected to the connecting member (21) and the rear door (second).
(Member) (11) is the third hinge component (22) on the side of the connecting member (21)
Swinging around the center point (A) of the end face (27) of the engaging portion (26) of the connecting member (21) and the rear door (second member) (11) causes the rear support (first member) ( When rotated 90 ° with respect to 1), the first hinge component (2) of the rear strut (first member) (1)
The third hinge forming portion (22) of the connecting member (21) is housed in the recess (9) of the.

Further, as shown in FIG. 3, the rear door (second member) (11) is engaged with the connecting member (21) rotated by 90 ° by the second hinge component (12) thereof. The rear door (second member) (11) swings around the center point (B) of the end face (17) of the part (16).
When the connecting member (21) is further rotated by 180 °, the connecting member (2) is inserted into the recess (19) of the second hinge component (12).
The third guide portion (34) and the fourth engaging portion (36) of the fourth hinge forming portion (32) of 1) are housed.

According to the above, the rotation mechanism of the hinge (5) of the rear door (second member) (11) with respect to the rear column (first member) (1) of the truck carrier (10) is simplified, The rear door (second member) (11) can be opened / closed (rotated) by 270 °, and the conventional hinge attachment is completely unnecessary.

Further, in this embodiment, the rear support (first member) (1), the rear door (second member) (11), and the connecting member (2)
All of 1) are made of extruded aluminum, so the hinge (5) can be lightened and the truck bed
(10) The appearance of the rear door (second member) (11) is improved.

5 to 7 show a mechanism for preventing the members constituting the hinge (5) from being pulled out vertically. The upper and lower retaining mechanisms are vertically symmetrical and have the same structure.

First, the first hinge forming part (2) of the rear column (first member) (1) and the third hinge forming part (22) of the connecting member (21).
In the combined portion with, the upper and lower end portions of the third hinge constituting portion (22) on the side of the connecting member (21) are notched by a required length, and the first portion of the rear strut (1) is provided in the notched portion. The upper and lower first stoppers (28) and (28) of a size that fits exactly inside the recess (9) of the hinge component (2) are fitted, and the respective first stoppers (28) are
It is fixed to the rear pillar (1) by two screws (30) which penetrate the overhanging portion (4) of the first hinge component (2).

Next, the second hinge forming part (12) of the rear door (second member) (11) and the fourth hinge forming part (32) of the connecting member (21).
In the combined portion with and, the upper and lower end portions of the second hinge forming portion (12) on the rear door (11) side are partially notched by a required length, and the connecting member (21) is provided in the notched portion. The second hinge having a size to fit exactly inside the recess (39) of the fourth hinge component (32)
The stoppers (29) and (29) are fitted and each second stopper (29)
Is fixed to the connecting member (21) by two screws (30) penetrating the flat portion of the fourth hinge component (22).

The hinges (5) are preferably provided over the entire length of the rear strut (1) and the rear door (11), but there may be several short ones at predetermined intervals, and this point is limited. Not done.

In the hinge (5), in the first step, the connecting member and the second member (rear door) are rotated together by 90 ° with respect to the first member (rear post), and then in the second step. As a result, the second member (rear door) is rotated by 180 ° with respect to the connecting member, and the second member (rear door) is opened by 270 ° with respect to the first member (rear column) via the connecting member. However, this angle is not limited, and for example, in the first step, the connecting member and the second member (rear door) together with the first member (rear post) are smaller than 90 ° or 90 °. Rotate by more than 90 ° and about 90 °, and then, as the second stage, the second member (rear door) is 1 against the connecting member.
Less than 80 ° or greater than 180 °, approximately 18
It may be configured such that the second member (rear door) is rotated by 0 ° and, as a result, the second member (rear door) is opened approximately 270 ° with respect to the first member (rear column) via the connecting member.

In the above embodiment, the hinge (5) according to the present invention is used as a rear support (first member) of the truck carrier (10).
Although the present invention is applied to the opening / closing mechanism of the rear door (second member) (11) in (1), the present invention is applied to other members such as doors in the fields of building materials, civil engineering, transportation, etc. The same applies to the general 270 ° rotation (opening / closing) mechanism.

[0041]

As described above, according to the present invention, the first hinge forming portion provided on the first member, the second hinge forming portion provided on the second member, and the connecting member for connecting both members are provided. A third hinge component provided on one side and combined with the first hinge component of the first member, and a third hinge component provided on the other side of the connecting member and combined with the second hinge component of the second member. 4 hinge structure parts, the second to the first member
The member is a hinge that can be opened and closed approximately 270 ° via a connecting member, and the first hinge component on the first member side has an arc-shaped cross section that extends inward and rearward from a rear end outer edge of the member. The first hinge portion includes a first guide portion and an overhang portion which is provided so as to project outward from the rear end of the first guide portion and has a forwardly protruding first engaging portion at the tip. Is provided with a recess for fitting a third hinge component having an opening that opens outward, and the third hinge component of the connecting member has a substantially cross-section in cross section and is folded back at its tip. The third engaging portion is provided on the side edge portion of the same member on the side of the first hinge forming portion so as to project forward, and the end surface of the third engaging portion is a cross section around the point (A). Has a semi-circle, second
The second hinge forming part of the member has a front bent part having an arcuate cross-section provided on the front edge of the outer end of the member in a state of projecting outward obliquely forward, and a flat part extending rearward from the tip of the front bent part. The second hinge includes a rear bent portion having an arcuate cross section that extends obliquely inward rearward from the tip of the flat portion, and a folded-back second engaging portion that extends forward from the tip of the rear bent portion. The constituent part is provided with a recess for partially fitting the fourth hinge constituent part having an opening opening rearward, and the end face of the second engaging part of the second hinge constituent part is a point (B).
Has a semicircular cross section centered at, and the fourth hinge forming portion of the connecting member extends rearward and inward from the width center portion of the connecting member and the front bent portion of the second hinge forming portion of the second member. A second guide portion having an arcuate cross-section, a third guide portion having an arcuate cross-section, extending rearward and inward from the rear end of the connecting member, and covering a rear bent portion of the second hinge forming portion; A fourth engaging portion that extends forward from the tip of the connecting portion and is folded back along the second engaging portion of the second hinge forming portion, and extends inward toward the fourth hinge forming portion of the connecting member. A second hinge component fitting recess having an opened opening is provided, and in a state before the second member combined with the first member via the connecting member is rotated, The front protruding first engaging portion of the first hinge component is provided with the third hinge component of the connecting member. Together with the third engagement portion shaped return is engage, the second hinge component of the second member, are accommodated in a recess of the fourth hinge structure portion of the connecting member, first
The connecting member and the second member swing with respect to the member about the center point (A) of the end face of the engaging portion of the third hinge forming portion on the connecting member side, and the connecting member and the second member form the first member. In the state in which the third hinge forming portion of the connecting member is housed in the recess of the first hinge forming portion of the first member in the state of being rotated by about 90 ° with respect to the second member, the third member of the connecting member is rotated by about 90 °. Is the center point of the end face of the engaging portion of the second hinge component on the second member side
In a state in which the second member is further swung about the connecting member by about 180 ° around (B), the third guide of the fourth hinge forming part of the connecting member is inserted into the recess of the second hinge forming part. According to the present invention, for example, a rotation mechanism of a hinge of a second member (rear door) with respect to a first member (rear post) of a truck carrier is provided. It is simplified and almost 2 of the second member (rear door)
It can be opened / closed (rotated) by 70 ° and does not require the conventional hinge attachment.

Since the first member (rear column), the second member (rear door) and the connecting member may be simply combined, the number of steps for attaching the hinge can be greatly reduced.
The hinge installation work is easy, and even an unskilled worker can do the installation work, and the installation accuracy can be ensured.

The first member (rear column), the second member (rear door) and the connecting member are usually made of aluminum extruded material. Therefore, the weight of the hinge can be reduced, and the rear door portion of the truck carrier can be achieved. Can improve the aesthetics of.

Further, since it is possible to omit the attachment of the conventional heavy-duty stainless steel hinge, the weight of the truck carrier or the like constituted by the aluminum extruded profile members is greatly reduced as a whole, and thus the weight is reduced. obtain. In addition, a large number of hinges appearing on the outer surface of the side wall of the loading platform cannot be seen, so that the appearance is very beautiful and there is no aesthetic problem in the mounting portion of the extruded material member. ..

[Brief description of drawings]

FIG. 1 is an enlarged horizontal cross-sectional view of an essential part of a truck carrier in which a rear door is openably and closably attached by a hinge of the present invention, showing a state in which the rear door is closed.

FIG. 2 is an enlarged horizontal sectional view of the same main part, showing a state where a rear door is opened by 90 °.

FIG. 3 is an enlarged horizontal sectional view of the main part of the same, where the rear door is further 18
It shows a state in which it is opened by 0 °.

FIG. 4 is a schematic perspective view of a truck provided with a luggage carrier with a rear door that opens and closes 270 ° by the hinge of the present invention.

5 is an enlarged horizontal cross-sectional view of a main part of the truck carrier showing a vertical stopper prevention mechanism portion of the hinge of FIG. 1. FIG.

FIG. 6 is an enlarged arrow view of the main part taken along the line II of FIG.

7 is an enlarged partial cutaway arrow view of a main part taken along line II-II of FIG.

[Explanation of symbols]

 A center point B center point 1 rear strut (first member) 2 first hinge component 3 first guide portion 4 overhang 5 hinge 6 first engaging portion 8 opening 9 third hinge component recess for fitting DESCRIPTION OF SYMBOLS 10 Truck carrier 11 Rear door (2nd member) 12 2nd hinge structure part 13 Front bending part 14 Flat part 15 Rear bending part 16 2nd engaging part 17 of folded shape 17 End surface 18 Opening 19 Fourth hinge structure part 1 Part-fitting recess 21 Connecting member 22 Third hinge component 26 Folded third engaging portion 27 End face 32 Fourth hinge component 33 Second guide portion 34 having arcuate cross section 34 Third guide portion having arcuate cross section 36 Folded-back fourth engaging portion 38 Opening 39 Second hinge constituent portion fitting recess

Claims (1)

[Claims] 1. A first hinge component (2) provided on a first member (1), a second hinge component (12) provided on a second member (11), and both members (1). A first hinge component (2) of the first member (1) provided on one side of a connecting member (21) for connecting (11)
And a fourth hinge structure provided on the other side of the connecting member (21) and combined with the second hinge structure part (12) of the second member (11). A hinge in which the second member (11) is configured to be opened and closed approximately 270 ° with respect to the first member (1) via the connecting member (21), and the first member (1) ) Side first hinge forming part (2) extends inward and rearward from the rear outer edge of the same member (1), and has a first guide part (3) having an arcuate cross section, and a first guide part (3). The first hinge component (2) is formed by an overhanging portion (4) provided outwardly projecting from the rear end and having a forwardly projecting first engaging portion (6) at the front end. , A third hinge component fitting recess (9) having an opening (8) opening outwardly is provided, and the third hinge component (22) of the connecting member (21) has a substantially horizontal cross section. Third with a V-shape and a folded shape at its tip Engaging portion
(26), which is provided on the side edge portion of the same member (21) on the side of the first hinge forming portion so as to project forward, and which is an end face of the third engaging portion (26).
(27) has a semicircular cross section centered on point (A),
A second bent portion (12) of the second member (11), which has a circular arc-shaped cross section, is provided in a state in which the second hinge forming portion (12) of the second member (11) protrudes forward obliquely outward at the outer front edge of the same member (11). A flat part (14) extending rearward from the tip of the front bent part (13), and a rear bent part (15) having an arc-shaped cross section extending rearward and inward from the tip of the flat part (14).
And a folded-back second engaging portion (16) extending forward from the tip of the rear bent portion (15), the second hinge forming portion (12) having an opening rearwardly opened. A recess (19) for partially fitting a fourth hinge component having a portion (18) is provided, and a second engaging portion (16) of the second hinge component (12) is provided.
The end face (17) of the member has a semicircular cross section centered on the point (B), and the fourth hinge component (32) of the connecting member (21) is the same member.
A second member (11) extending rearward and inward from the center of the width of (21)
Second guide part (33) having an arcuate cross section covering the front bent part (13) of the second hinge forming part (12), and a second hinge extending rearward and inward from the rear end of the connecting member (21). A third guide portion (34) having an arcuate cross-section covering the rear bent portion (15) of the constituent portion (12), and a second hinge constituent portion (12) extending forward from the tip of the third guide portion (34).
And the fourth engaging portion (36) in a folded shape along the second engaging portion (16) of the connecting member (21).
Second, having an opening (38) opening inwardly in 2)
The hinge component fitting recess (39) is provided, and the first
In the state before the second member (11) combined with the member (1) via the connecting member (21) is rotated, the first member is
(1) First hinge forming part (2) Front protruding first engaging part
The folded-back third engaging portion (26) of the third hinge constituting portion (22) of the connecting member (21) is engaged with (6), and the second hinge constituting portion (12) of the second member (11) is engaged. ) Is the fourth of the connecting member (21)
It is housed in the recess (39) of the hinge component (32),
The connecting member (21) and the second member (11) are connected to the member (1),
The third hinge component portion (22) on the side of the connecting member (21) is swung about the center point (A) of the end face (27) of the engaging portion (26) to move the connecting member (2).
1) and the second member (11) are approximately 90 ° with respect to the first member (1)
In the rotated state, the first hinge component of the first member (1)
Inside the recess (9) of (2), the third hinge component (2
2) is housed and the second member (11) is connected to the connecting member (21) rotated by approximately 90 °, and the second hinge component (1) on the second member (11) side is provided.
The second member (11) swings about the center point (B) of the end surface (17) of the engaging portion (16) of (2), and the second member (11) is further moved to the connecting member (21) by approximately 1
In the state rotated by 80 °, the concave portion of the second hinge component (12)
Inside the (19), the third part of the fourth hinge forming part (32) of the connecting member (21) is provided.
A hinge adapted to accommodate the guide portion (34) and the fourth engaging portion (36).