JP3285987B2 - Wind glass fastening structure of wind glass elevating device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for raising and lowering a window glass of an automobile window, and more particularly to a fastening structure for fastening a window glass to an elevator of a lifting mechanism in this device.

[0002]

2. Description of the Related Art A conventional window glass fastening structure is disclosed, for example, in Japanese Utility Model Laid-Open No. 2-108615.

According to this, a mounting hole is formed in a lower portion of the window glass, and a resin retainer is mounted in a lower portion of the window glass. This retainer is composed of a pair of side walls provided so as to sandwich the lower part of the window glass from the left and right, and a cylindrical body protruding from one of these side walls and fitted into the mounting hole. The retainer is fastened to the lifting platform of the lifting mechanism by bolts screwed into the cylinder, that is, the window glass is attached to the lifting platform via the retainer. Then, by the operation of the elevating mechanism, the window glass moves up and down together with the elevating table, and the window opening is opened and closed.

[0004]

As described above, when attaching the retainer to the lifting platform, a bolt is screwed into the cylinder. In this case, the outer peripheral surface of the cylinder is radially moved by the screwing force of the bolt. May bulge outward. When the bulge is large, the outer peripheral surface of the cylindrical body is pressed against the inner peripheral surface of the mounting hole with a large force, and excessive stress is generated at the lower portion of the window glass, and cracks and cracks are generated here. There's a problem.

On the other hand, when the lifting mechanism is in a free state in which no window glass is attached to the lifting platform, the lifting platform is normally moved up and down linearly when viewed from the front of the vehicle body. , The side doors and side walls of the body,
Usually, when viewed from the front of the vehicle body, the window glass is formed in an arc shape, and the window glass is guided along the arc and moves up and down.

[0006] For this reason, in the above configuration, since the elevating trajectory of the elevating platform and the window glass are different from each other, the lower portion of the window glass is fastened to the elevating platform via a retainer, and when these are raised and lowered, the above described The retainer and the lower portion of the window glass are somewhat twisted with each other, and in this case, there is a problem that excessive stress is generated in the lower portion of the window glass.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances. When a lower portion of a window glass is fastened to a lifting platform of a lifting mechanism via a retainer, an excessively small portion of the lower portion of the window glass is formed. To avoid stress, and
When raising and lowering the wind glass together with the retainer by the lifting platform, the purpose is to prevent excessive stress from being generated in the lower portion of the wind glass even when the retainer and the lower portion of the wind glass slightly pry together. And

[0008]

A feature of the present invention for achieving the above object is that a mounting hole is formed in a lower portion of a window glass, and a resin retainer mounted on a lower portion of the window glass is provided. a pair of side walls provided so as to sandwich the bottom of the same window glass from the right and left, protruding from the side wall constituted by a tubular member which is fitted into the mounting hole, the bolt is screwed into the cylindrical body, taken the
In a case where the outer peripheral surface of the cylindrical body is pressed against the inner peripheral surface of the perforated hole and the retainer is fastened to the elevating platform of the elevating mechanism, the outer cylindrical member is provided so as to protrude from one of the side walls. A cylinder and an inner cylinder protruding from the other side wall, fitted into the outer cylinder, locked to the outer cylinder, and screwed with a bolt in an inner hole, and each of the inner and outer cylinders is formed in an axial direction. Small
At least, a notch is formed at each protruding end.

[0009]

[Operation] The operation of the above configuration is as follows.

[0010] The terms in parentheses below correspond to the terms in the claims.

As shown in FIGS. 1 and 2, a mounting hole 11 is formed in a lower portion of the window glass 7, and a resin retainer 12 mounted on a lower portion of the window glass 7 is attached to a lower portion of the window glass 7. A pair of side walls 14 and 15 provided so as to be sandwiched from right and left, and a cylindrical body 16 projecting from the side walls 14 and 15 and fitted into the mounting hole 11, and a bolt screwed into the cylindrical body 16 By 18,
The outer peripheral surface of the cylindrical body 16 is pressed against the inner peripheral surface of the mounting hole 11.
Thus, the retainer 12 is attached to the lift 28 of the lift mechanism 19. In this case, the cylindrical body 16 is provided with an outer cylinder 35 protruding from the left side wall (one side wall) of the side walls 14 and 15 and a right side wall (the other side wall).
15 and fitted into the outer cylinder 35,
Constituted by an inner cylinder 36 which bolt 18 is screwed into the bore with locked to, the inner, respectively the outer tube 36, 35
Notches 40 and 41 are formed at least at each protruding end in the axial direction .

[0012] Therefore, come in if the elevation frame 28 of the lifting mechanism 19 for fastening the lower part of the window glass 7 through the retainer 12, and screwed into the inner hole of the inner cylinder 36 of the bolt 18, screwed in the bolt 18 Due to the force, the outer peripheral surface of the inner cylinder 36 expands radially outward, the inner cylinder 36 presses the outer cylinder 35, and the outer peripheral surface of the outer cylinder 35 presses against the inner peripheral surface of the mounting hole 11 . At this time, the outer cylinder 35 and the inner cylinder 36 are elastically deformed in the circumferential direction by the reaction force of the pressure contact , and the deformation is absorbed by the notches 40 and 41.

[0013] In addition, more retainer 12 to the lifting platform 28
When raising and lowering the window glass 7 through, when the lower portion of the bolt 18 and the window glass 7 through the retainer 12 and was Tagainikoji, the bolt 18 is the inner cylinder
A large external force is applied to a part of 36 in the circumferential direction.
Accordingly, the part of the inner cylinder 36 extends in the circumferential direction of the outer cylinder 35.
External force is applied to a part of the outer cylinder 35.
Is part of the inner peripheral surface of the mounting hole 11 in the circumferential direction.
To try to give a large outside force. However, this time, the inner cylinder 36 and the outer tube 35 is elastically deformed in respective circumferential directions,
These elastic deformations are caused by the notches 40 and 41 described above.
It is absorbed and smoothly performed. Moreover, the outer cylinder 35
And when the inner cylinder 36 is elastically deformed in the circumferential direction,
Even if these deformation amounts are different from each other, these outer cylinders 35
And the inner cylinder 36 are displaced from each other in the circumferential direction and are elastically deformed.
Therefore, the outer cylinder 35 and the inner cylinder 36 must regulate each other.
Instead, each of the above-mentioned elastic deformations is performed smoothly .

[0014]

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

In FIGS. 2 and 3, reference numeral 1 denotes a right side door of an automobile, and the side door 1 forms a part of a vehicle body. In addition, the symbol Fr in the figure indicates the front of the automobile. The left and right described below refer to the direction toward the front.

The side door 1 has a door body 2. The door body 2 is formed by connecting an inner panel 3 and an outer panel 4 made of sheet metal from the left and right and connecting them in the middle, and extends forward and backward between upper edges of the inner panel 3 and the outer panel 4. A slit 5 is formed.

Reference numeral 7 denotes a window glass. The window glass 7 is vertically slidably fitted to a pair of front and rear guide rails 8 attached to the inside of the door body 2. When the window glass 7 is raised as shown by a two-dot chain line in FIG. 3, the window glass 7 passes through the slit 5 and protrudes upward from the upper edge of the door body 2 to close the window opening. When the window glass 7 is lowered as shown by a dashed line in FIG. 3, the window glass 7 is housed in the door body 2 and opens the window opening.

An elevating device 9 for elevating and lowering the window glass 7 is provided.

Referring to FIGS. 1 to 4, the lifting device 9 will be described. A pair of front and rear circular mounting holes 11, 11 are formed below the window glass 7. FIG. Also,
A pair of front and rear retainers 1 are provided below the window glass 7.
2, 12 are attached. Each of the retainers 12 is made of resin and has elasticity as a whole. Each of the retainers 12 has a pair of left and right side walls 14, 15 provided so as to sandwich the lower portion of the window glass 7 from the left and right, and a cylindrical body 16 protruding from the left and right side walls 14, 15 and fitted into the mounting hole 11. And

A bolt 18 serving as a tapping screw is screwed into the cylindrical body 16 to form an inner peripheral surface of the mounting hole 11.
The outer peripheral surface of the cylindrical body 16 is pressed against this , so that the retainers 12 are fixed to the lower part of the window glass 7. The bolt 18 is a bolt head 18
a and a bolt screw portion 18b.

Reference numeral 19 denotes an elevating mechanism, which is a first arm 2 pivotally supported by a pivot shaft 20 in an X-shape when viewed from the side.
1 and a second arm 22. The first arm 2
The lower end of 1 is pivotally supported on the door body 2 by a pivot shaft 23. On the other hand, the lower roller 2
4 is supported, and the lower roller 24 is fitted into the lower rail 25 attached to the door body 2 so as to freely roll back and forth.

An upper roller 27 is supported on each of the upper ends of the first arm 21 and the second arm 22, and an elevating table 28 is supported by the upper rollers 27. The elevating table 28 is composed of an upper rail 29 into which the upper rollers 27 can be rolled back and forth, and a pair of front and rear bracket plates 30 projecting upward from the upper rail 29. ing. The retainer 12 is fastened to each of the bracket plates 30 by the bolts 18, whereby the window glass 7 is attached to the lift 28.

A rotary handle 32 is attached to the inner panel 3, and the lower end of the first arm 21 is connected to the handle 32 by a gear set 33. When the handle 32 is operated to rotate, the first arm 21 rotates up and down about the pivot shaft 23 by the gear set 33, whereby the lower roller 24 and the upper roller 27 move between the lower rail 25 and the upper rail 29. And the first arm 21 and the second arm 22 relatively rotate about the pivot shaft 20. As a result, the elevator 28 moves up and down, and the window glass 7 moves up and down.

In FIG. 1 and FIG. 4, the cylindrical body 16 is a left side wall 14 which is one of the left and right side walls 14 and 15.
And a circular inner cylinder 36 protruding from the right side wall 15 and being fitted into the outer cylinder 35. The outer peripheral surface of the outer cylinder 35 is lightly pressed against the inner peripheral surface of the mounting hole 11, and the outer peripheral surface of the inner cylinder 36 is lightly pressed against the inner peripheral surface of the outer cylinder 35.

In the above case, four locking holes 37 are formed at the base of the outer cylinder 35 at equal intervals in the circumferential direction. On the other hand, at the protruding end of the inner cylinder 36, four locking hooks 38 are formed at equal intervals in the circumferential direction, and when the inner cylinder 36 is fitted into the outer cylinder 35, the locking hooks 38 are inserted into the locking holes 37. Are detachably locked.

The outer cylinder 35 is formed with a notch 40 at a part in the circumferential direction.
It is formed at least at the protruding end in the axial direction.
More specifically, the notch 40 is formed over the entire length of the outer cylinder 35 in the axial direction. Note that the notches 40 may be provided at two locations as shown by phantom lines in FIG.

The inner cylinder 36 is also provided with notches 41 at a plurality of positions in the circumferential direction. These notches 41
Are formed between the locking hooks 38 adjacent to each other in the circumferential direction.
At least at each protruding end, more specifically
The notches 41 are formed over the entire length of each of the inner cylinders 36 in the axial direction. Each notch 4
Due to 1, the locking hook 38 is easily elastically deformed inward and outward in the radial direction of the inner cylinder 36. For this reason, when the inner cylinder 36 is fitted into the outer cylinder 35, the locking hooks 38 are easily elastically deformed, and the locking hooks 38 are smoothly locked to the locking holes 37.

When the lower part of the window glass 7 is fastened to the elevating platform 28 of the elevating mechanism 19 via the retainer 12, when the bolt 18 is screwed into the inner hole of the inner cylinder 36, the screwing force of the bolt 18 causes The outer peripheral surface of the projecting body 16 bulges radially outward, the inner cylinder 36 presses the outer cylinder 35, and the outer peripheral surface of the outer cylinder 35
1 is pressed against the inner peripheral surface . At this time, the outer cylinder 35 and the inner cylinder 36 are each elastically deformed in the circumferential direction by the reaction force of the pressure contact .
However, this deformation is absorbed by the cutouts 40 and 41 , whereby the outer peripheral surface of the outer cylinder 35 is
Is strongly pressed against the inner peripheral surface of the window glass 7 so that excessive stress is not generated at the lower portion of the window glass 7. That is, the occurrence of cracks and cracks in the lower portion of the window glass 7 is prevented.

In FIG. 3, the elevating mechanism 19 includes an elevating table 28.
When the vehicle is in a free state in which the window glass 7 is not attached to the vehicle, the elevating platform 28 is normally moved up and down linearly (indicated by A in FIG. 3) when the vehicle body is viewed from the front. On the other hand, the side door 1 and the side wall of the vehicle body are formed in an arc shape having a large radius of curvature when viewed from the front of the vehicle body, and the window glass 7 is guided by the guide rail 8 along the arc to ascend and descend. (Reference B in FIG. 3).

Therefore, since the elevating trajectories of the elevating table 28 and the window glass 7 are different from each other, when the lower portion of the window glass 7 is fastened to the elevating table 28 via the retainer 12 and these are moved up and down. Then, the bolt 18 and the lower portion of the window glass 7 are slightly pryed with each other via the retainer 12.

Then, through the retainer 12 as described above,
Assuming that the bolt 18 and the lower part of the window glass 7 are prying each other , the bolt 18 is moved in the circumferential direction of the inner cylinder 36.
A large external force on a part of the
The above-mentioned part of the cylinder 36 applies an external force to a part of the outer cylinder 35 in the circumferential direction.
In addition, along with this, the part of the outer cylinder 35
To try to give a larger outer force on a part of circumferential direction of the inner circumferential surface of the mounting hole 11. However, this time, the inner cylinder 36 and the outer tube 35 is elastically deformed in respective circumferential directions, and these
The elastic deformation is absorbed by the notches 40 and 41.
It is performed smoothly. Moreover, the outer cylinder 35 and the inner cylinder 36
Are elastically deformed in the circumferential direction.
Are different from each other, these outer cylinder 35 and inner cylinder 36
Is elastically deformed from each other in the circumferential direction.
The outer cylinder 35 and the inner cylinder 36 do not restrict each other,
Each elastic deformation is performed smoothly .

Therefore, even if the squeezing occurs as described above, the window glass 7 can be removed from the cylindrical body 16 of the retainer 12.
Giving a large external force locally to the lower part of the
As a result, excessive stress is not generated at the lower portion of the window glass 7. For this reason, the occurrence of cracks and cracks in the lower portion of the window glass 7 is more reliably prevented.

FIG. 5 shows another embodiment.

According to this, the lower ends of the left side wall 14 and the right side wall 15 of the retainer 12 are integrally formed with each other by the connecting portion 42, and the left side wall 14 and the right side wall 15 are respectively left and right around the connecting portion 42. It is rotatable. When the retainer 12 is attached, the connecting portion 42 is in contact with the lower surface of the window glass 7.

Since other structures and operations are the same as those of the above-described embodiment, the same reference numerals are given to the drawings, and the duplicated description will be omitted.

[0036]

According to the present invention, a mounting hole is formed in the lower portion of the window glass, and a pair of resin retainers mounted on the lower portion of the window glass are provided so as to sandwich the lower portion of the window glass from the left and right. and side walls of, projecting from the side wall constituted by a tubular member which is fitted into the mounting hole, the bolt is screwed into the cylindrical body, taken the
The retainer is attached to a lifting platform of a lifting mechanism by pressing the outer peripheral surface of the cylindrical body against the inner peripheral surface of the hole . Then, in this case, the cylindrical body is provided with an outer cylinder protruding from one of the side walls and a projection protruding from the other side wall, fitted into the outer cylinder and locked by the outer cylinder. Together with the bolt in the inner hole
Composed of inner cylinder and the bets are screwed, in the above, the outer tube it
A notch is formed at least at each protruding end in the axial direction .

[0037] Therefore, in the case of fastening the lower part of the window glass through the retainer lifting table of the lifting mechanism, it can and screwed into the inner hole of the inner cylinder of the bolt, the outer periphery of the inner tube by screwing force of the bolt The surface swells radially outward, and this inner cylinder presses the outer cylinder, and the outer peripheral surface of this outer cylinder
It comes into pressure contact with the inner peripheral surface of the mounting hole . At this time, the outer cylinder and the inner cylinder are each elastically deformed in the circumferential direction by the reaction force of the pressure contact .
However, this deformation is absorbed by the notch.

[0038] Thus, the outer peripheral surface of the outer tube is strongly pressed against the inner peripheral surface of the mounting hole is suppressed, Therefore, by Rukoto excessive stress is generated in the lower portion of the window glass, where Hibiya It is prevented that a crack occurs.

[0039] Also, when raising and lowering the window glass through a more retainer on the lifting platform, on through the retainer
Be and the lower part of the serial bolt and the window glass was Tagainikoji
Then, the bolt becomes large in a part of the inner cylinder in the circumferential direction.
And the part of the inner cylinder is
An external force is applied to a part of the outer cylinder in the circumferential direction, and
The part of the outer cylinder is in the circumferential direction of the inner peripheral surface of the mounting hole.
To try to give a part to large outside force. However, this time, the the outer tube and the inner tube elastically deformed respectively circumferentially,
Moreover, these elastic deformations are absorbed by the respective notches.
It is performed smoothly. Moreover, the outer cylinder and inner cylinder are each
When elastic deformation occurs in the circumferential direction, these deformation amounts
Even if different, these outer and inner cylinders
Since the outer cylinder and the inner cylinder are mutually deformed and elastically deformed,
Each of the above elastic deformations is smooth without restriction
Done in

Therefore, even if the above-mentioned squeezing occurs, applying a large external force locally to the lower portion of the window glass from the cylindrical body of the retainer is suppressed. In this respect, too large an external force is applied to the lower portion of the window glass. This prevents the occurrence of excessive stress.

[Brief description of the drawings]

FIG. 1 is a sectional view taken along line 1-1 of FIG. 2;

FIG. 2 is a side view of the side door as viewed from a passenger compartment side.

FIG. 3 is a view taken along line 3-3 of FIG. 2;

FIG. 4 is an exploded perspective view of a retainer.

FIG. 5 is a view corresponding to FIG. 1 in another embodiment.

[Explanation of symbols]

 7 Wind Glass 9 Elevating Device 11 Mounting Hole 12 Retainer 14 Left Side Wall (One Side Wall) 15 Right Side Wall (The Other Side Wall) 16 Cylindrical Body 18 Bolt 19 Elevating Mechanism 28 Elevating Table 35 Outer Cylinder 36 Cylindrical Body 37 Locking Hole 38 Stop hook 40 Notch 41 Notch

Claims (1)

(57) [Claims] A mounting hole formed in a lower portion of the window glass, a resin retainer mounted on a lower portion of the window glass, a pair of side walls provided so as to sandwich the lower portion of the window glass from left and right, and the side walls; And a cylindrical body protruding from the mounting hole and fitted into the mounting hole.
In a window glass mounting structure of a window glass elevating device in which the outer peripheral surface of the cylindrical body is pressed against and the retainer is fastened to an elevating platform of an elevating mechanism, the cylindrical body protrudes from one of the side walls. And an inner cylinder, which is provided on the other side wall, is fitted into the outer cylinder, is locked to the outer cylinder, and is screwed with a bolt in an inner hole . , Each in the axial direction of the outer cylinder
A window glass fastening structure for a window glass lifting / lowering device, wherein notches are respectively formed in at least each protruding end.