JPS5970223A - Door for automobile - Google Patents

Abstract

PURPOSE:To provide a door with interchangeability for different kinds of automobiles and reduce the volume of the door in transportation, by manufacturing a door frame separately from a door body, inserting the lower end of the door frame into the opening of the top of the door body and clamping the frame on the body so that the frame can be removed therefrom. CONSTITUTION:A door frame 3 is manufactured separately from a door body 2. A reinforcing assembly 7 and a reinforcing member8 are integrally attached to the lower ends of the front and rear portions 3A, 3B of the door frame 3. The door body 2 is provided with openings 6A, 6B at the front and rear portions of the top. The reinforcing assembly 7 and the reinforcing member 8 are inserted into the openings 6A, 6B and clamped thereon by bolts and nuts. A door 1 is thus constructed.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an automobile door, and more particularly to an automobile door having a detachable door frame.

Conventionally, for example, in a passenger car, as a door of the same car model,
There is a tonneau 7 for general sedan type cars with a door frame integrally attached by welding, and a frame rest 7 for hard top type cars that does not have a door frame.
These framed doors and frameless doors are completely different, so even if the parts except the door frame have the same shape, completely different press molds are used to manufacture them. Another problem is that different door components must be used, which increases the manufacturing cost of the door. Furthermore, when a door with a frame is transported as a part, the transport volume becomes large, and there is a risk that the door may be deformed during transport.

In addition, there are doors with a removable top half for four-wheel drive vehicles or roadsters, etc., but in this case, the window part is made of transparent plastic deck, etc., and the appearance is different from that of a glass window. It is inferior in terms of quality, durability, and visibility, and also has the problem that wind noise is generated at the detachable part while the car is running.

Furthermore, there are models in which the frame and window glass can be attached to and removed from the door body as one unit, but in this case, parts that should be installed inside the door body, such as the door trim and land regulator, are attached. The problem is that the entire door frame and window glass must be removed together with the door frame, and the installation and removal work takes a lot of time.

This invention has been made in view of the above-mentioned conventional problems, and allows the door frame to be easily removed from the door body, thereby enabling mutual conversion between a frame-equipped door and a frameless door. At the same time, when transporting the door as a part, by separating the door and transporting it,
It is possible to reduce the transport volume and prevent door deformation.Furthermore, by making the door body side part of the frameless door and the frameless door common, press-type,
An object of the present invention is to provide an automobile door that can reduce manufacturing costs by standardizing interior parts and the like.

The present invention relates to an automobile door comprising a door outer panel, a tonneau body including the door outer panel attached to the door outer panel, and a substantially U-shaped door frame connected to the upper part of the door body. , the door frame is made separate from the door body, an opening is formed in the upper surface of the door body into which the lower end of the door frame can be inserted, and the door frame is inserted into the opening of the door body. , the above object is achieved by making it possible to fasten.

Further, in the automobile door, a reinforcement is attached to the end of the door frame on the insertion side into the door body, and via the reinforcement member 1-,
The above object is achieved by fastening the door frame to the door body.

Further, in the above-mentioned automobile door, the present invention includes a reinforcement at a position corresponding to a triangular portion where the belt line of the door body and the door frame intersect at an acute angle, at the front end or rear end of the door. The above object is achieved by providing a reinforcement assembly that also serves as a guide for the sliding portion of the door glass and a seal for the opening along the door belt line below the triangle when the door frame is attached to the door body. It is something.

The present invention also provides the above-mentioned automobile door, in which a hole for attaching and detaching the door frame to the door body is provided on the inner side surface of the door body, at a position on the side of the connecting portion of the insertion side end of the door frame to the door body side. The above objective is achieved by forming a.

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

As shown in the figure, this embodiment includes a door outer panel 4, a door main body 2 including a door in nano (flannel 5) connected thereto, and a substantially U-shaped door frame 3 connected to the upper part of the door main body 2. In the automobile door 1, the door frame 3 is made separate from the door body 2', and an opening 6Δ into which the lower end portion of the door frame 3 can be inserted into the upper surface of the door body 2; 6B, and the door frame 3 can be inserted and fastened into the openings 6A and 6B of the door body 2.

The automobile door 1 is a front lead door, and the openings 6A and 6B are arranged at the front end and the rear end of the belt line of the door body 2, respectively.

Moreover, the front side 3Δ and the rear side 3B of the door frame 3
A reinforcement assembly 7 and a reinforcement 8 are integrally attached to the lower ends of the respective ones.

As shown in the figure, the front side 3A of the door frame 3 is inclined from the lower front end toward the upper rear, so that the front side 3A and the belt line of the door body 2 intersect at an acute angle. The reinforcement assembly 7 is in a position corresponding to the triangle, the door frame 3 is attached to the door body 2, and the reinforcement assembly 7 is attached to the kite of the door glass sliding part and the door belt below the triangle. It also serves as a seal for the opening 6A along the line.

However, the reinforcement assembly 7
As shown in FIG. 4 a3 to FIG. and a triangular portion 7B that closes a part of the corner formed by the belt lines of the door body 2 intersecting at an acute angle.

The rectangular portion 7A has a U-shape with a horizontal cross section opening outward, and the triangular portion 7B has a substantially rectangular horizontal cross section, and the rear end edge holds a glass run 9 in the downward direction of the road. The guide portion 7C for
It is formed from Δ to the triangular portion 7B.

The reinforcement assembly 7 made up of the rectangular part 7 A ij5 and the triangular part 7B is fastened to the inside of the front side 3A of the door frame 3 with screws 10.

Further, the reinforcement members I to 8 taken at the lower end of the rear side 3B of the door frame 3 are members having a chevron-shaped horizontal section, and the rear end surface of the rear side 3B and the inner surface in the door thickness direction. It has healed and is welded to the rear side 3B.

The reference numeral 11 in FIG.
Weld nuts are shown welded at two locations in the vertical direction on the outside of the no-reinforcement 8 in the door thickness direction.

In the opening 6A of the door body 2 into which the lower end of the front side 3A of the door frame 3 is to be inserted, a seventh
As shown in the figure, Noron lower guide assembly 1
3 is integrally connected to the inner surface of the door inner panel 5 of the door body 2 via the front lower guide retainer 14.

This front lower kite assembly 13 is aligned with a first front lower guide 13A having a size into which the guide portion 7C of the reinforcement assembly 7 is inserted, and is arranged below the first front lower guide 13A and has the same cross section as the guide portion 7C. ,
It is composed of a second flon 1 and a lower kite 13B.

A door glass run 15 for guiding the door glass 12 is attached to the inside of the second front lower guide 13B, thereby making it possible to guide the front edge of the door glass 12 in the upward direction. (There is.

Therefore, when the rectangular portion 7A of the reinforcement assembly 7 is inserted from the opening 6A, the guide portion 7C is inserted into the first lower guide 13A from above and placed inside the first lower guide 13A. The last run 9 is configured to be aligned with the lower glass run 15 inside the second front lower guide 13B and to be continuously positioned in the vertical direction.

Reference numeral 13C in FIG. 8 indicates the second front lower guide 13.
A cut-and-raised portion formed at the upper end of B to prevent the glass run 15 from being pulled out is shown.

Rectangular portion 7 of the reinforcement assembly 7 when inserting the door frame 3 inside the door body 2
At a position opposite to the inner surface of the door in the thickness direction, A)/Freon 1 to reinforcement 16 are welded to the door imp panel 5 and the door front 1 panel 17, and are arranged at -C.

A bolt hole 11A is formed in the door front reinforcement 16 at a location facing the weld nut 11 attached to the inside of the rectangular portion 7A in the inserted state. At a position aligned with the bolt hole 11A,
An operation hole 19 is formed so that a bolt 20 can be screwed into and unthreaded from a weld nut 11 inserted through the opening 6A or attached to the inside of the rectangular portion 7A of the reinforcement assembly 7. Reference numeral 21 in the figure indicates a cap for closing the operation hole 19.

Moreover, with respect to the rear side 3B of the door frame 3, a position aligned with the glass run 22 attached to the inside thereof,
A rear lower guide retainer 2 is located below the opening 6B.
3, a rear lower pier guide assembly 24 is supported.

Like the front lower guide assembly 13, this rear lower guide assembly 24 is composed of a first rear lower guide 24A and a second rear lower guide 24B aligned below the first rear lower guide 24A, and when the door frame 3 is attached to the door body 2, A last run (not shown) that is aligned and continuous with the glass run 22 on the rear side 3B is connected to the second rear lower guide 2.
Prepared for 4B.

Furthermore, a door reinforcement 25 is welded to the door inner panel 5 at a position facing the inner surface of the reinforcement 8 in the door thickness direction when the door frame 3 is inserted inside the door body 2. It is located.

Bolt holes 11A are formed in the door reinforcements 1 to 25 at positions aligned with the weld nuts 11 attached to the inner surface of the reinforcement 8 in the inserted state.

The door inner panel 5 and the door trim 18 are provided with an operation hole 19 and its cap 21, as on the front side, so that the bolt 20 can be screwed into and unscrewed from the weld nut 11. ing.

In this embodiment, when attaching and detaching the door frame 3 to and from the door body 2, the cap 21 attached to the interior side of the door 77 body 2 is removed, and the operation hole 19 is removed.
Then, the bolt 20 is operated, thereby screwing the bolt 20 into or out of the reinforcement assembly 7 and the weld nut 11 welded to the reinforcement 8, thereby easily attaching the door frame 3 to the door body 2.
The mounting can be removed.

Therefore, in the normal state, the door frame 3 is attached to the door body 2, and when necessary, only the door frame 3 can be removed to enjoy open driving of the automobile.

Furthermore, the sedan type and hardtop type of passenger cars of the same model may use the same door body 2, with the sedan type having the door frame 3 attached, and the hardtop type having the door frame 3 removed. Accordingly, the door body 2 can be made into a common component, thereby reducing the manufacturing cost of the door.

Furthermore, when transporting the door as a component, by removing the door frame 3 from the door body 2 and transporting it, the volume during transport can be reduced and deformation during transport can be prevented. It has the advantage of being possible.

Furthermore, even in sedan-type passenger cars, the door glass 1
By devising the weather strip on the body side or the glass lifting mechanism when the door glass 12 is fully opened,
If it is possible to seal the interior and exterior of the vehicle while it is rolled up, it can be used as a frameless door.

Note that the rear edge of the reinforcement assembly 7 in the door frame 3 and the rear side 3 of the door frame 3
In order to guide the door glass 12, the front edge of the rectangular portion 7A of the reinforcement assembly 7 should be parallel to Enforcement assembly 7
Apply it to the rear edge and the rear side 3B of the door frame 3,
It is preferable that the backward inclination angle thereof be reduced by θ to facilitate insertion of the door frame 3 into the openings D 6 A and 6B of the door body 2.

In the above embodiment, the reinforcement assembly 7 and the reinforcement 8 of the door frame 3 are connected to the door front reinforcement 16 and the door rear reinforcement on the door body 2 side through two bolts 20, respectively. Although it is designed to be connected to the reinforcement 25, the present invention is not limited to this, and other attachment/detachment means can be used as long as sufficient rigidity can be maintained in the connected state, such as a turn. It may be a locking device using an over mechanism, or in the case of connection using bolts and weld nuts, for example, as shown in FIG. 9, three bolts may be used in each direction in the vertical direction. Good too.

In this case, since the distance between the operation holes 19 for operating the bolts 20 becomes narrow, it is preferable to provide a cap 21A for opening and closing each operation hole 19 at the same time, rather than providing a cap for each operation hole 19.

Furthermore, although the above-mentioned embodiment relates to a front side door of an automobile, the present invention is not limited thereto, and can also be applied to a rear side door of a four-door automobile, for example.

Further, in the above embodiment, the door frame 3 has a substantially U-shape with a downward opening, but the present invention is not limited to this. For example, when the front-to-back length of the door is large, the first
As shown in FIG. 0, the vicinity of the lower end of the front side 3A of the door frame 3 and the vicinity of the lower end of the rear blade 3B may be connected in the front-rear direction by a reinforcing bar 26 to increase and strengthen the frame rigidity.

In this case, the cross-sectional shape of the reinforcing bar 26 is preferably made uneven in the thickness direction to increase the section modulus, as shown in FIG.

In this case, the reinforcing bar 26 is formed thin in the door thickness direction, and the door frame 3 is sometimes attached to the door body 2.
The door glass 12 within a range that does not interfere with the door glass 12.
so that it can be inserted into the insertion hole of.

Further, as shown in FIG. 10, a flange 27 for welding the rear end of the reinforcing bar 26 is provided protruding from the front edge of the reinforcement 8 in the rear blade 3B of the door frame 3 to connect the two. It is good to make it easy.

Further, the operation hole 19 for the bolt 20 is provided for each bolt 20.
0, it is formed on the door inner panel 5 and the door trim 18 that constitute the inner surface of the door body 2,
For example, as shown in FIG. 12, the door trim 18A may be provided only on the inner side of the operation hole 19A, and the operation hole 19A may be formed only on the door inner panel 5.

In this case, there is no need to form an operation hole in the door trim 18A, which facilitates manufacturing.

Since the present invention is configured as described above, the door frame can be easily attached to and detached from the door body, and therefore, the automobile can be driven fully open. Furthermore, when the door itself is transported, its transport volume is can be made smaller,
In addition, on the production line, door frames can be made into wire parts, which improves workability in the sheet metal assembly process and painting process. This has an excellent effect in that the door body can be made common, and therefore manufacturing costs can be reduced.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view showing an embodiment of an automobile door according to the present invention, FIG. 2 is a perspective view showing an assembled state of the same embodiment,
FIG. 3 is an enlarged sectional view taken along the line ■-■ in FIG. 2, and FIG. 4 is an enlarged perspective view showing the door frame in the same embodiment.
5 is an enlarged sectional view taken along line V-V in FIG. 4, FIG. 6 is an enlarged side view II showing the assembled state of the same embodiment, and FIG. 7 is a reinforcement assembly and front view of the same embodiment. FIG. 8 is an enlarged sectional view taken along the line ■-■ in FIG. 7; FIG. 9 is a side view showing essential parts of the second embodiment of the present invention; FIG. 10 is a perspective view showing a main part of a third embodiment of the present invention, FIG. 11 is an enlarged sectional view taken along the line XI-XI in FIG. 10, and FIG. 12 is a main part of a fourth embodiment of the present invention. FIG. DESCRIPTION OF SYMBOLS 1... Automobile door, 2... Door body, 3... Door frame, 3A... Front side, 3B... Rear side, 4... Door outer panel, 5... Door inner Panel, 6A, 6B... Opening, 7... Wienforsmen 1-assembly, 8...
・Reinforcement, 12...Door glass, 13...Front lower guide assembly, 16...
Door front reinforcement, 18.18A・
...Door trim, 19.19A...Operation hole, 25...Door door X7 reinforcement, 26.
・Reinforcement bar. Agent Keisuke Matsuyama (one idiot Figure 1 Figure 2 Figure 3

Claims (5)

[Claims] (1) A door for an automobile comprising a door body including a door outer panel and a door inner panel connected thereto, and a substantially U-shaped door frame connected to the upper part of the door body; A door frame is made separate from the door main body, and an opening into which the lower end of the door frame can be inserted is formed in the upper surface of the door main body, and
An automobile door characterized in that the door frame can be inserted and fastened into an opening of the door body. (2) A patent characterized in that a reinforcement is attached to the end of the door frame on the insertion side into the door body, and the door frame is fastened to the door body side via the reinforcement. An automobile door according to claim 1. (3) Place the reinforcement at the front or rear end of the door at a position corresponding to the triangular part where the belt line of the door body intersects with the binding frame at an acute angle. 61, characterized in that the reinforcement assembly also serves as a guide for the sliding portion of the door glass and a seal for the opening along the door belt line below the triangle.
An automobile door according to claim 2. (4) A hole for attaching and detaching the door frame to the door body is formed on the inner side surface of the door body at a position on the side of the connection portion of the insertion side end of the door frame to the door body. An automobile door according to claim 1, 2 or 3. (5) The automobile according to any one of claims 1 to 41, wherein the front side and the lower end of the door frame are connected near the lower ends thereof by a reinforcing lever in the front and rear direction. door.