JPS6349648B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an automobile door, and more particularly to an improvement of an automobile door in which the upper half of the door is detachable.

2. Description of the Related Art Conventionally, there are, for example, four-wheel drive automobiles called leisure vehicles, which can be driven with a passenger compartment open without removing the upper body.

Most of the body parts of such automobiles are as shown in Figures 1 and 2.
It consists of a canopy 1 supported by a frame, and by removing the canopy 1 it becomes possible to drive in the open.

In this case, the side door 2 is often removable as a whole; for example, the upper half of the side door 2 is removable, with a transparent plate made of synthetic resin attached to the top, and the back door 3 is As shown in FIG. 3, the upper part 3A, which is about two-thirds of the height, can be attached to and removed from the lower part 3B.

However, backdoor 3 as described above,
Due to the structure of a panel door, the window 3C is limited to a simple plane, but in order to maintain the rigidity of the upper part 3A including the window 3C, the window 3C must be made smaller than the area of the entire upper part 3A.
There is a problem in that it narrows the rear visibility of the car.

Furthermore, the conventional backdoor 3 as described above,
As shown in FIGS. 3 to 5, the connecting column 3D protruding downward from the widthwise end of the upper section 3A is inserted into the insertion hole 3E of the lower section 3B, and then the bolt 4
Since the structure is only fastened by
There was a problem in that the sealing at the joint between the and lower part 3B was insufficient, resulting in poor waterproof and dustproof properties.

This invention has been made in view of the above-mentioned conventional problems, and provides an automobile capable of driving in the open without removing the atsupa body.
To provide an automobile door which can utilize curved glass for the window, greatly expand visibility, and improve sealing performance.

Another object of the present invention is to provide an automobile door that can be used in the same way as a passenger car when the upper half is attached, even if the automobile can be driven open without removing the upper half of the door. do.

The present invention provides a door frame assembly comprising a door body including a door outer panel and a door inner panel connected thereto, and a substantially U-shaped frame connected to the upper part of the door body, and constituting a fitted window; In the automobile door, the door frame assembly is separate from the door body, is detachable along a belt line portion on the upper surface of the door body, and is parallel to the belt line portion. a bar that integrally connects the lower end of the frame in the front-rear direction; and a bar that is interposed between the bar and the belt line portion, and when the door frame assembly is attached to the door body, the bar and the belt line portion are interposed between the bar and the belt line portion. The above object is achieved by providing a weather strip for sealing the space.

Further, the present invention provides the above-mentioned automobile door,
An insertion hole at the lower end of the frame in the door frame assembly is formed in the door body belt line portion, and the frame is removably attached to the door body side with the lower end of the frame inserted into the insertion hole. This aims to achieve the above objectives.

Further, the present invention provides the above-mentioned automobile door,
By attaching to the lower end of the frame a bracket that restricts insertion beyond a certain level when the lower end of the frame is inserted into the insertion hole, and also serves as a stopper and insertion hole cover that covers the insertion hole. This aims to achieve the above objectives.

Further, the present invention provides the above-mentioned automobile door,
The above object is achieved by making the bracket freely connectable to the belt line portion of the door body.

Further, the present invention provides the above-mentioned automobile door,
The above object is achieved by integrally attaching the brackets to both ends of the bar and attaching the bar to the frame via the brackets.

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

In this embodiment, as shown in FIGS. 6 to 10, a door body 11 includes a door outer panel 5 and a door inner panel 6 connected thereto.
and a door frame assembly 12 comprising a substantially U-shaped frame 7 connected to the upper part of the door main body 11 and forming a closing window. is separate from the door body 11, and a belt line portion 13 on the top surface of the door body 11 is provided.
A bar 14 that is detachable along the belt line portion 13 and is parallel to the belt line portion 13 and integrally connects the lower end of the frame 7 in the front-rear direction, and a bar 14 between the bar 14 and the belt line portion 13. A weather strip 1 is provided between the bar 14 and the belt line portion 13 to seal between the bar 14 and the belt line portion 13 when the door frame assembly 12 is attached to the door body 11.
5.

Insertion holes 16, 16 for the lower end of the frame 7 in the door frame assembly 12 are formed at both ends of the belt line portion 13 of the door body 11, so that when the frame 7 is attached to the door body 11, the lower end thereof are inserted into the insertion holes 16, 16.

As shown in FIG. 8, weld nuts 17, 17 are welded to the inside of the portions of the frame 7 that are inserted into the insertion holes 16, 16.

Bolt holes 1 are provided in the front and rear ends 6A, 6B of the door inner panel 6 of the door body 11 at positions aligned with the weld nuts 17, 17 attached to the frame 7 inserted into the insertion holes 16, 16.
The door frame assembly 12 is integrally fastened to the door body 1 by inserting bolts 19, 19 through the bolt holes 18, 18 and screwing them into the weld nuts 17, 17. Being able to do so.

Brackets 20A, 2 are integrally welded to the front and rear sides of the frame 7 at both ends of the bar 14.
0B, and the bar 14 is integrally connected to the frame 7 via the brackets 20A and 20B.

The brackets 20A, 20B insert the frame 7 into the insertion hole 1, as shown in FIG.
6, 16, the door body 11 of the door frame assembly 12 is sized to serve as a stopper and a cover for the insertion holes 16, 16 in the insertion direction.
A recess 1 having a shape along the belt line portion 13 and formed near the insertion holes 16, 16 of the belt line portion 13 when attached to the belt line portion 13.
It has a shape that protrudes into 3A.

A weld nut 21 is welded to the back side of the concave portion 13A of the belt line portion 13, and a bolt hole 22 is provided in the brackets 20A, 20B at a position aligned with the weld nut 21 in the attached state.
By inserting a bolt 23 through this bolt hole and screwing it into the weld nut 21, the brackets 20A and 20B can be tightened and fixed to the door body 11.

Reference numeral 23 in Fig. 9 is a fitted window glass;
Reference numeral 24 indicates a window glass weather strip for supporting the periphery of the window glass 23 and between the frame 7 and the bar 14.

As shown in FIG. 9, the weather strip 15 has a substantially U-shaped cross section so as to straddle the upper joint 8 of the door outer panel 5 and the door inner panel 6 that constitute the door body 11. , the bar 14 also has a downward channel 14 so as to wrap around the weather strip 15 from above.
A, and by arranging the channel 14A so as to fit into the weather strip 15 from above, a seal can be formed between the door frame assembly 12 and the door body 11.

In this embodiment, since the door frame assembly 12 is used as the upper part of the door that can be attached and detached from the lower part of the door, the window glass 23 can be made of curved glass.
The portion can be made larger relative to the area of the entire door, and the field of view can therefore be expanded.

Further, since the weather strip 15 is interposed between the door frame assembly 12 and the door body 11, the sealing function of the vehicle interior can be increased when the door frame assembly 12 is installed.

Furthermore, in this embodiment, the brackets 20A and 20B also serve as covers for the insertion holes 16 and 16 on the door body 11 side, so the insertion holes 16 and 16 can be made larger. Therefore, there is an advantage that attachment and detachment of the door frame assembly 12 to and from the door body 11 can be facilitated.

Furthermore, the structure of the door consisting of the door body 11 and the door frame assembly 12 can be made similar to that of a general passenger car, and therefore, without impairing the full opening function of the car,
It has the advantage that it can be used similarly to a passenger car.

Note that in the above embodiment, the door frame assembly 1
Although the window glass 23 is provided on the second side, the present invention is not limited to this, and instead of the window glass 23, for example, a transparent plate made of synthetic resin may be used.

Further, in the above embodiment, the bar 14 is connected to the bracket 2.
The bracket 20 is connected to the frame 7 via 0A and 20B.
A, 20B and the bar 14 may be separately attached to the frame 7.

However, bar 14 and brackets 20A, 20B
By integrating them in advance, there is an advantage that manufacturing can be facilitated.

Further, as in the above embodiment, the bracket 20
A, 20B are provided, and these brackets 20A, 20
If the bracket is fixed to the belt line portion 13 of the door body 11 via the bracket B, it is easy to attach and detach the bracket, and since the bracket also serves as reinforcement for the frame 7, the rigidity in the attached state is increased. It has the advantage of being able to

Further, in the above embodiment, the door frame assembly 12 is fastened and fixed to the door body 11 from the top surface and front and rear surfaces of the door body 11, but the present invention is not limited to this. For example, it may be tightened and fixed from the door inner panel 6 side.

It should be noted that, although the above-mentioned embodiment relates to a side door of an automobile, the present invention is not limited thereto, but can also be applied to a back door of an automobile.

Since the present invention is constructed as described above, it is possible to use curved glass for the window, increase the area of the window to increase visibility, increase the sealing function, and further improve the ability to open the window. It has the excellent effect of being able to be used in the same way as a passenger car without impairing its functionality.

[Brief explanation of the drawing]

Figure 1 is a side view of a conventional top door car, Figure 2 is a rear view of the same, Figure 3 is an exploded perspective view of the back door of the top door car in an exploded state, and Figure 4 is an assembled state of the back door. 5 is an enlarged perspective view showing the V section in FIG. 3; FIG. 6 is an exploded perspective view showing an embodiment of the automobile door according to the present invention; FIG. FIG. 7 is a perspective view showing the assembled state of the same embodiment, and FIGS. 8 to 10 are enlarged sectional views taken along lines -- to X--X in FIG. 7. 10...Car door, 11...Door body, 1
2... Door frame assembly, 13... Belt line portion, 14... Bar, 15... Weather strip, 16... Insertion hole, 17... Weld nut, 19... Bolt, 20A, 20B... Bracket.

Claims (1)

[Scope of Claims] 1. A door frame comprising a door body including a door outer panel and a door inner panel connected thereto, and a substantially U-shaped frame connected to the upper part of the door body, and forming a fitted window. In the automobile door, the door frame assembly is separate from the door body, and is detachable along a belt line portion on the upper surface of the door body, and the door frame assembly is detachable along a belt line portion on the upper surface of the door body, and A bar that is parallel and integrally connects the lower end of the frame in the front-back direction, and is interposed between this bar and the belt line portion, and when the door frame assembly is attached to the door body, the bar and An automobile door characterized by being provided with a weather strip for sealing between belt line parts. 2 An insertion hole at the lower end of the frame in the door frame assembly is formed in the door body belt line portion, and the frame is removably attached to the door body side with the lower end of the frame inserted into the insertion hole. An automobile door according to claim 1, characterized in that: 3. A bracket is attached to the lower end of the frame, which restricts insertion beyond a certain level when the lower end of the frame is inserted into the insertion hole, and also serves as a stopper and insertion hole cover to cover the insertion hole. An automobile door according to claim 2, characterized in that: 4. The automobile door according to claim 3, wherein the bracket can be fastened to a belt line portion of the door body. 5. The automobile door according to claim 3 or 4, wherein the brackets are integrally attached to both ends of the bar, and the bar is attached to the frame via the brackets.