JP3286743B2 - Opening / closing device for the rear door of a truck box carrier - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a truck box carrier.
Rear door opening and closing apparatus, particularly substantially Motor turns 100 ° hinge for
The present invention relates to a rear door opening and closing device having the same.

[0002]

Conventionally, the opening and closing of the rear door of the box-shaped loading platform track, a steel hinge (hinge) is used, Nidaiya
The rear door was attached to the root so that it could be opened and closed by approximately 100 °.

[0003]

However, the conventional hinge requires not only a troublesome work for mounting, but also
There is a problem that it is difficult for an unskilled worker to obtain the mounting accuracy. In addition, the conventional hinge is made of steel and the weight of each is heavy, so that the weight of the entire box-shaped carrier of the truck increases, and since many hinges appear on the outer surface of the side wall of the carrier, the appearance is very poor. In addition, there is a problem that the hinge made of steel is not esthetically pleasing and rust is generated by long-term use.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems of the prior art, to simplify a rotation mechanism of a hinge of an opening / closing portion of a rear door of a box-shaped carrier of a truck, and to provide a conventional steel hinge. No installation is required at all, the installation man-hour can be greatly reduced, the installation work of the hinge is not troublesome, and the installation accuracy can be ensured. can for opening and closing the door smoothly, on top which can further play a lighter hinge, greater binding strength of the rear door of the box-shaped truck bed is, and the mounting of the rear door portion minutes
The aesthetics of the truck, plus the rear of the truck box
Approximately 1 that can prevent rainwater from entering when the door is open
It is an object of the present invention to provide a rear door opening / closing device having a hinge which can be rotated by 00 °.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above objects, the present invention provides a first hinge component provided on a cargo bed roof of a box-shaped cargo carrier of a truck and a second hinge component provided on a rear door . Truck with a hinge consisting of a hinge component and a rear door that can be opened and closed by approximately 100 ° with respect to the cargo roof
A switchgear rear door of a box-shaped loading platform, the first hinge structure portion of the loading platform roof portion extends obliquely upward outwardly from the rear lower edge of the loading platform roof and the guide part having a circular arc cross sectional shape And the load
A lower projecting portion extending downward from a rear end upper edge of the pedestal portion, and the first hinge component is provided with a second hinge component fitting recess having an opening that opens downward. An inward protrusion is provided near the base of the lower protruding portion, and a first engaging portion having a hook-shaped cross section is provided at a distal end of the lower protruding portion, and a concave arc-shaped guide is provided inside the first engaging portion. surface is provided, the second hinge structure of the rear door, the rear
An upper protruding portion that extends above the upper end of the door and has a convex front surface having an arc-shaped cross section, a substantially horizontal portion protruding rearward from a middle portion of the height of the upper protruding portion, and downward from the tip thereof. And a second engaging portion comprising a hanging portion having an end surface having a substantially semicircular cross-section at a tip end.
A first engagement having an opening that opens rearward and a guide surface having an arc-shaped cross-section extending from a rear edge of the opening to a base of the second engagement portion inside a lower portion of the hinge component; A recess for fitting is provided, and a fitting recess is provided at an upper portion of the second hinge component between the tip of the upper protruding portion above the base of the second engaging portion and the second engaging portion. The roof
The guide of the first hinge component of the part is the second hinge of the rear door.
The center point of the end surface of the component having the substantially semicircular cross section at the tip of the second engaging portion.
Cross section circle corresponding to a central angle of about 100 ° with (A) as the center
Arc-shaped, inside the first engagement portion of the first hinge component
The provided concave arc-shaped guide surface is substantially half the cross section of the tip of the second engagement portion.
Center of approximately 100 ° around the center point (A) of the circular end face
A concave arc shape corresponding to the corner, the convex surface of the second hinge component
And a first engagement portion on the lower inner side of the second hinge component
The guide surfaces of the fitting recesses are respectively provided at the ends of the second engaging portions.
Approximately 100 ° around the center point (A) of the substantially semicircular end surface
Made with a circular arc cross sectional shape corresponding to the central angle is, Nidaiya
In a state before the rear door combined with the root rotates, the second hinge component of the rear door is housed in the recess of the first hinge component of the cargo bed roof , and the second hinge component is placed in the recess. The substantially semicircular end surface of the tip of the second engaging portion on the hinge component side is engaged with the first engaging portion on the first hinge component side, and is inserted into the fitting recess on the second hinge component portion side. inwardly projecting portion of the first hinge structure portion is fitted, the rear door, Nidaiya
It swings around the center point (A) of the substantially semicircular end surface of the tip of the engaging portion of the second hinge component with respect to the root , and the rear portion
In a state where the door is rotated approximately 100 ° with respect to the bed roof ,
The first engaging portion at the distal end of the lower projecting portion of the first hinge component is accommodated in the concave portion of the second hinge component, and the second engaging portion and the first engaging portion of the second hinge component are separated. Of the rear door of the truck box , which is designed to be interlocked
The gist is a switchgear .

[0006]

<br/> the switchgear of the rear door of the upper Quito rack loading platform [action] is a first hinge component provided at the rear end of the loading platform roof of the box-shaped truck bed, the upper end portion of the rear door and a more becomes hinge and a second hinge component that is provided on.

In a state where the rear door is closed, that is, before the rear door combined with the cargo bed roof rotates, the second hinge constituting portion of the rear door is
It is housed in the concave portion of the first hinge component of the carrier roof .

When the rear door is opened, the rear door swings about the center point (A) of the substantially semicircular end surface of the front end of the engaging portion of the second hinge component, and the rear door is moved. In a state rotated by approximately 100 ° with respect to the cargo bed roof , the first protrusion of the lower end of the first hinge component is inserted into the recess of the second hinge component.
The engagement portion is housed, and the second engagement portion and the first engagement portion of the second hinge component are engaged with each other.

As described above, according to the present invention, the rotation mechanism of the hinge of the rear door with respect to the carrier roof of the box-shaped carrier of the truck is simplified, and the rear door can be opened and closed (rotated) by approximately 100 °. It is.

[0010] Since only the combination of the carrier roof and the rear door is sufficient, the work of attaching the hinge does not take much trouble, and the accuracy of the attachment can be assuredly obtained. The rear door of the cargo carrier can be opened and closed smoothly.

In addition, before or after the rear door is opened, the portion (engagement portion) between the first hinge component of the cargo roof and the second hinge component of the rear door is large. The bonding strength is very high.

In the state after the rear door is opened,
Since the fitting concave portion of the second hinge component is disposed with its opening facing upward, the fitting concave portion penetrates along the upper surface of the cargo bed roof portion or the upper surface of the rear door itself. It comes rainwater can receive, thus it is possible to prevent rainwater from entering the interior of the truck loading platform.

Further, the second hinge component of the first hinge component and the rear door of the bed roof is normally made of aluminum extrudate is not limited thereto, and other metal or hard synthetic resin, It may be made by such as.

[0014]

Next, an embodiment of the present invention will be described with reference to the drawings.

In this specification, front and rear and up and down refer to FIG. 1, the front means the right side of FIG. 1, the rear means the same left side, the upper means the upper side of the figure, and the lower means the lower side. Shall be referred to.

Referring first to FIG. 4, a box-shaped carrier (1
Loading platform roof of 0) to (1), the rear door (11) is mounted substantially 100 ° openable via a hinge (21).

Here, FIG. 1 shows a state in which the rear door (11) is closed with respect to the cargo bed roof (1), and FIG. 2 shows the rear door (11).
Open the rear door (1
1) shows a state in which the rear door (11) is rotated by approximately 50 °, and FIG.
However, it further rotates about 50 ° with respect to the bed roof (1),
The rear door (11) is approximately 10
It shows a state where it is opened by 0 °.

[0018] In FIG 1, the hinge (21) is integrally provided on the loading platform roof (1) aluminum cylindrical workpiece made of a frame member of the rear end portion (1a) of the box-shaped truck bed (10) A hinge component (2) and a second hinge component integrally provided on a frame member (11a) made of an extruded aluminum member at the upper end of the rear door (11).
(12) that it has a.

The first hinge component (2) on the side of the bed roof (1) extends obliquely outward and in a cross section upward from the lower edge of the rear end of the frame member (1a) of the bed roof (1). The first hinge component (2) includes a guide portion (3) having an arc shape and a lower protruding portion (4) extending below the upper edge of the rear end of the frame member (1a). A concave portion (9) for fitting the second hinge component having an opening (8) opening toward the bottom, and an inward convex portion (5) near the base of the downward projecting portion (4). A first engaging portion (6) having a hook-shaped cross section is provided at the tip of the downward protruding portion (4), and a concave guide surface (7) is provided inside the first engaging portion (6). I have.

On the other hand, the second hinge component (1) on the rear door (11) side
2) includes an upper protruding portion (13) extending upward from the frame member (11a) at the upper end of the rear door (11) and having a convex surface (14) having a circular arc-shaped front side, and an upper protruding portion (13). ), And a hanging part extending downward from the front end of the substantially horizontal portion (16a) and having a substantially semicircular end surface (17) at the front end.
(16b) and a second engaging portion (16).

An opening (18) opening rearward is provided inside a lower portion of the second hinge component (12), and a second engaging portion (12) is formed from the rear edge of the opening (18). A first engaging portion fitting recess (19) having a guide surface (19a) having an arc-shaped cross section leading to the base of (16) is provided, and a second engaging portion (12) is provided above the second hinge constituting portion (12). A fitting recess (20) is provided between the distal end (13a) of the upper protruding portion (13) above the base of the mating portion (16) and the second engaging portion (16).

[0022] In the above, the loading platform roof (1) of the box-shaped truck bed (10), to attach the rear door (11), or not a loading platform roof (1) side first hinge component (2 ) And the rear door (1
The second hinge component (12) on the 1) side is replaced with the first hinge component (2).
The rear door (11) may be slid and fitted so that the second hinge component (12) is inserted into the recess (9).

To mount the rear door (11) as described above, the second hinge component (12) is attached to the inside of the concave portion (9) of the first hinge component (2) on the side of the cargo bed roof (1). to merely need only fitted, and these hinge components (2) (12), since both are made of aluminum extruded profile, even an amateur is workable, the mounting steps of the rear door (11) It is possible to greatly reduce the amount of time required for installation of the rear door (11), and it is also possible to ensure the mounting accuracy and to smoothly open and close the rear door (11). .

The state shown in FIG. 1 corresponds to the box-shaped carrier (1
Rear door (11) combined with the bed roof (1) of (0)
Is closed, that is, before the rear door (11) rotates. At this time, the second hinge component on the rear door (11) side
(12) is housed in the concave portion (9) of the first hinge component (2) on the side of the cargo bed roof (1), and the tip of the second engagement portion (16) of the second hinge component (12). The semi-circular end surface (17) of the first hinge component (2) is engaged with the hook-shaped first engaging portion (6) of the first hinge component (2), and the fitting recess of the second hinge component (12) is engaged. The inward projection (5) of the first hinge component (2) is fitted in (20).

Next, when the rear door (11) is swung with respect to the luggage carrier roof (1), the second hinge component (1) on the rear door (11) side.
The rear door (11) swings so that the engaging portion (16) of (2) rotates about the center point (A) of the end surface (17) of the substantially semicircular section at the tip, and at this time, the 2 Hinge component (12) upward projection
The convex portion (14) having an arc-shaped cross section of (13) is guided along the arc-shaped cross-section guide portion (3) of the first hinge component (2) on the side of the bed roof (1). , Downward protruding part on the side of the cargo roof (1)
The tip of the first engaging portion (6) of the hook-shaped section (4) is a guide surface (19a) having an arc-shaped cross section of the concave portion (19) of the upper protruding portion (13) of the second hinge constituting portion (12). ).

FIG. 2 shows a state in which the rear door (11) is rotated by approximately 50 ° with respect to the cargo bed roof (1) and is opened.

Then, the rear door (11) is further rotated by approximately 50 ° with respect to the bed roof portion (1), and in the state after being rotated by approximately 100 °, as shown in FIG. 12) recess
(19) The first engaging portion of the first hinge constituting portion (2) has a hook-shaped cross section.
(6) is housed therein, and the second engagement portion of the second hinge constituting portion (12)
(16) and the hook-shaped first engaging portion (6) are engaged with each other.

According to the above, the rotation mechanism at the hinge (21) of the rear door (11) with respect to the carrier roof (1) of the box-shaped carrier (10) of the truck is simplified, and the rear door (11) is simplified. ) Is about 100
It can be opened and closed (rotated) by a degree, and the installation of a conventional hinge is completely unnecessary.

In this embodiment, the first and second hinge components (2) and (12) of the luggage carrier roof (1) and the rear door (11) are used.
But both also made of an aluminum extrudate, thus together give play a lighter hinge (21), appearance of the rear door (11) mounting portion of the loading platform roof (1) of the box-shaped truck bed (10) Is improved.

In the state before the rear door (11) is opened, the second hinge constituting part (12) of the rear door (11) is connected to the bed roof part.
It is housed in the concave portion (9) of the first hinge component (2) of (1), and has a substantially semicircular end surface at the tip of the second engaging portion (16) on the side of the second hinge component (12) ( 17) is engaged with the first engagement portion (6) on the first hinge component (2) side, and the first hinge component is inserted into the fitting recess (20) on the second hinge component (12) side. Department (2)
Since the inward protrusions (5) on the side are fitted together, the hooked portion (engagement portion) between the first hinge component (2) and the second hinge component (12) is large, and the coupling strength is extremely large. Things.

When the rear door (11) is opened, a considerable part of the second hinge component (12) of the rear door (11) is replaced by the first hinge component of the cargo bed roof (1). (2) recess (9)
The first hinge component (2) has a recess (19) in the second hinge component (12).
The engaging portion (6) is housed therein, and the second hinge forming portion (12)
The engaging portion (16) and the first engaging portion (6) are securely engaged with each other, and the upper projecting portion (1) of the second hinge constituting portion (12) is engaged.
Since the tip of (3) engages with the side wall of the opening (8) in the recess (9) of the first hinge component (2), the first hinge component (2)
The coupling strength between the second hinge component (12) and the second hinge component (12) is also high.

Further, when the rear door (11) is opened, the fitting recess (20) of the second hinge component (12) is disposed with its opening facing upward. The concave portion (20) can receive rainwater that enters along the upper surface of the cargo bed roof (1) or the upper surface of the rear door (11) itself,
Therefore, it is possible to reliably prevent rainwater from entering the inside of the box-shaped carrier of the truck.

The hinges (21) are preferably provided over the entire length of the luggage carrier roof (1) and the rear door (11).
There may be cases where several short ones are provided at predetermined intervals, and this point is not limited.

[0034]

According to the present invention, as described above ,
A first hinge structure portion provided on the loading platform roof of the box-shaped loading platform, with more becomes hinge and a second hinge component that is provided in the rear door, approximately 100 ° openably the rear door with respect to the loading platform roof Opening / closing of the rear door of a box truck
A location, a first hinge component of the loading platform roof, Nidaiya
The first hinge structure comprises a guide portion extending obliquely outward above the lower edge of the rear end of the root portion and having an arc-shaped cross section, and a lower projecting portion extending below the upper edge of the rear end of the cargo bed roof. A second hinge component fitting concave portion having an opening opening downward is provided in the portion, and an inward convex portion is provided near the base of the downward projecting portion, and a distal end of the downward projecting portion is provided at the distal end of the downward projecting portion. A first engaging portion having a hook-shaped cross section is provided,
Concave arc-shaped guide surface is provided on the inner side of the first engagement portion, the second hinge structure of the rear door, extends and the front side above the upper end of the rear door is made a convex surface portion of the circular arc cross sectional shaped upper A projecting portion, a second engaging portion including a substantially horizontal portion projecting rearward from an intermediate portion at the height of the upper projecting portion, and a hanging portion extending downward from the tip of the projecting portion and having a substantially semi-circular end surface at the tip. A guide having an opening opening rearward and having an arc-shaped cross section extending from the rear edge of the opening to the base of the second engagement portion inside the lower portion of the second hinge component. A first engaging portion fitting recess having a surface is provided;
In the upper part of the second hinge component, a fitting recess is provided between the tip of the upper protruding portion above the base of the second engaging part and the second engaging part, and the first hinge of the luggage carrier roof is provided. Component draft
The inside is located at the tip of the second engaging portion of the second hinge component of the rear door.
Approximately 100 centered on the center point (A) of the end surface with a substantially semicircular cross section
° and the first hinge
A concave arcuate guide surface provided inside the first engagement portion of the component portion
Is the center point (A) of the end surface of the substantially semicircular cross section at the tip of the second engaging portion.
With a concave arc corresponding to a central angle of approximately 100 °
And the convex portion of the second hinge component comprises:
Guide surface of the first engaging portion fitting concave portion inside the lower portion of the component portion
Are in the end surfaces of the semi-circular cross section at the tip of the second engaging portion, respectively.
A section corresponding to a central angle of about 100 ° about the center point (A)
In a state before the rear door combined with the cargo bed roof is rotated, the second hinge component of the rear door is in the concave portion of the first hinge component of the cargo bed roof . And a substantially semicircular end surface at the tip of the second engaging portion on the side of the second hinge component is engaged with the first engaging portion on the side of the first hinge component and the second hinge component. The inward convex portion on the first hinge component side is fitted into the fitting concave portion on the side, and the rear door is moved to its second position with respect to the cargo bed roof .
In a state where the hinge part swings about the center point (A) of the end surface of the substantially semicircular cross section at the tip of the engaging part and the rear door is rotated by about 100 ° with respect to the bed roof part , the second hinge part is The first engagement portion at the tip of the downwardly projecting portion of the first hinge component is accommodated in the recess of the first hinge component, and the first engagement portion of the second hinge component is connected to the first engagement component.
In which the engaging portions are adapted to suit relates to each other, according to the present invention, the track bed of the bed roof part
Rotation mechanism of the rear door hinge against the is simplified, rear
The door can be opened and closed (rotated) by approximately 100 °,
No conventional hinge installation is required.

A first hinge component of the cargo bed roof, and
Since the second hinge component of the rear door only requires a combination of these components, the man-hour for installing the hinge can be greatly reduced, and the work for installing the hinge is not troublesome. It is possible, and the mounting accuracy can be ensured, so that the rear door can be opened and closed smoothly.

Further a second hinge component first hinge component is usually made of aluminum extrudate, thus together give play a hinge lighter, the rear door mounting portion content of box-shaped truck bed is Since a large number of hinges as in the prior art appear and cannot be seen, the appearance is very clean and the appearance can be improved.

In addition, before or after the rear door is opened, the hooked portion (engagement portion) of the second hinge component on the rear door side is in relation to the first hinge component on the cargo bed roof. ) Is large and therefore the bonding strength is very high.

[0038] Further, since in the state after opening the rear door, the fitting recess of the second hinge component, is arranged with its opening upward, with the fitting recess, Nidaiya
It is possible to receive rainwater that has entered along the upper surface of the root portion or the upper surface of the rear door itself, so that it is possible to reliably prevent rainwater from entering the inside of the box-shaped carrier of the truck.

[Brief description of the drawings]

[1] After section door in enlarged vertical cross-sectional view of a box-shaped truck bed mounted openably shows a state in which the rear door closed.

FIG. 2 is an enlarged vertical sectional view of the main part, showing a state where a rear door is opened by approximately 50 °.

FIG. 3 is an enlarged vertical sectional view of the main part, in which a rear door is approximately 100 °.
This shows an open state.

FIG. 4 is a schematic perspective view of a truck having a carrier with a rear door that opens and closes by approximately 100 °.

[Explanation of symbols]

A center point 1 cargo bed roof part 2 first hinge constituent part 3 guide part of circular section in cross section 4 downward protruding part 5 inward convex part 6 first engaging part of cross section in hook shape 7 concave arcuate guide surface 8 opening part 9 2 Hinge component fitting concave portion 10 Truck box carrier 11 Rear door 12 Second hinge component 13 Upper projecting portion 13a Tip portion 14 Convex convex portion 16 Second engaging portion 16a Substantially horizontal portion 16b Hanging Part 17 End surface having a substantially semicircular cross section 18 Opening 19 First engaging portion fitting concave portion 19a Guide surface having a circular arc cross section 20 Rainwater intrusion prevention and fitting concave portion 21 Hinge

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E05D 1/06 B60J 5/10

Claims (1)

(57) [Claims] 1. A first hinge component (2) provided on a carrier roof (1) of a box-type carrier of a truck , and a second hinge component (12) provided on a rear door (11). Hinges (21), and the rear door (11) of the truck can be opened and closed by approximately 100 ° with respect to the cargo roof (1).
A location, loading platform roof part first hinge component (1) (2)
A guide section (3) extending obliquely outward and above the lower edge of the rear end of the bed roof section (1) and having an arc-shaped cross section;
A lower projection (4) extending below the upper edge of the rear end of (1), and a second hinge having an opening (8) opened downward in the first hinge component (2). A concave portion (9) for fitting the component is provided, an inward convex portion (5) is provided near the base of the downward protruding portion (4), and a hook-shaped cross section is provided at the tip of the downward protruding portion (4). A first engaging portion (6) is provided, a concave guide surface (7) is provided inside the first engaging portion (6), and a second hinge constituting portion (12) of the rear door (11) is provided. , Rear door (11)
An upper protruding part (13) extending upward from the upper end of the upper part and having a front side formed as a convex part (14) having an arc-shaped cross section, and a substantially protruding rear part from an intermediate part of the height of the upper protruding part (13). A second engaging portion (1) comprising a horizontal portion (16a) and a hanging portion (16b) extending downward from the front end thereof and having an end surface (17) having a substantially semicircular cross section at the front end.
6), an opening (18) opened rearward inside the lower portion of the second hinge component (12), and a second engagement portion is formed from the rear edge of the opening (18). A first engaging portion fitting recess (19) having an arc-shaped guide surface (19a) extending to the base of the portion (16) is provided, and a second hinge component (12) is provided.
In the upper part, a fitting concave portion (20) is formed between the distal end portion (13a) of the upper protruding portion (13) above the base portion of the second engaging portion (16) and the second engaging portion (16). The first hinge of the bed roof part (1) provided
The guide (3) of the component (2) is connected to the second hinge structure of the rear door (11).
A substantially semicircular end surface (1) of the tip of the second engaging portion (16) of the component (12)
Corresponds to a central angle of about 100 ° centered on the center point (A) in 7)
Of the first hinge component (2)
The concave guide surface (7) provided inside the engagement portion (6) is
2 The center point of the end surface (17) having a substantially semicircular cross section at the tip of the engaging portion (16)
(A) Concave arc corresponding to a central angle of about 100 ° centered on
The convex portion (14) of the second hinge component (12) is
And a first engaging portion fitted inside the lower portion of the second hinge constituting portion (12)
The guide surfaces (19a) of the recesses (19) for the second engagement portions (16)
Centering around the center point (A) of the end surface (17) with a semicircular cross section at the tip
Have been made with a circular arc cross sectional shape corresponding to the central angle of approximately 100 ° Te, loading platform roof (1) combined tailgate to (1
Before the rotation of (1), the second hinge component (12) of the rear door (11) is connected to the first hinge component of the cargo bed roof (1).
The second hinge component (12) is housed in the recess (9) of (2).
An end surface (17) of a substantially semicircular cross section at the tip of the second engaging portion (16) on the side
It is engaged with the first engaging portion (6) on the side of the first hinge component (2), and the fitting recess (2) on the side of the second hinge component (12).
0), the inwardly protruding portion (5) on the side of the first hinge component (2) is fitted, and the rear door (11) is attached to the second roof component (12) with respect to the bed roof (1). ) Around the center point (A) of the end surface (17) having a substantially semicircular cross section at the tip of the rear door (1).
When the first hinge component (2) is rotated approximately 100 ° with respect to the cargo bed roof portion (1), the downward projecting portion (4) of the first hinge component (2) is inserted into the concave portion (19) of the second hinge component (12). ) The first engaging portion (6) at the distal end is housed so that the second engaging portion (16) of the second hinge constituting portion (12) and the first engaging portion (6) are engaged with each other. The opening and closing device for the rear door of a truck box .