JP5621731B2 - Sash assembly structure for vehicle doors - Google Patents

Description

  The present invention relates to a sash assembly structure that is a glass support structure in a vehicle door, and more particularly to a vehicle door sash assembly structure in which a lower sash is assembled to a glass support for window glass position regulation.

As a conventional vehicle door, a door main portion and a window opening thereabove are formed by overlapping and integrating a vehicle door with an inner panel and an outer panel.
The window opening is opened and closed by raising and lowering the window glass, and this window glass is supported by a window sash composed of the front and rear vertical frame parts and the upper edge part connecting the upper ends of the window glass so that the window opening is fully closed. The front and rear edges of the window glass are supported by the front and rear lower sashes connected to the lower ends of the front and rear vertical frame portions, thereby holding the window opening in a fully open state.
Here, the peripheral edge of the window opening is formed by the front and rear vertical sashes and the upper edge sash that connects the upper ends thereof, and the lower ends of the front and rear vertical sashes are the upper and lower sides of the main part of the door that is integrated with the inner panel and the outer panel. What employ | adopted the sash welding structure welded to an edge part is known. An example of such a prior art is disclosed in Patent Document 1.
In this case, the lower sash, which is a separate member, is assembled to the lower ends of the front and rear vertical sashes that are welded so as to be located in the door main part via a sash connecting member provided on the upper end side thereof, and thus formed. A run channel is attached to the upper and lower continuous window glass guides, making it easy to raise and lower the window glass.

On the other hand, there is known a panel integrated configuration in which an inner panel and an outer panel are integrally overlapped to integrally and integrally form a door main portion and a window frame portion surrounding the window opening 5 on the upper portion. In this case, the front and rear vertical frame portions of the window frame portion that surrounds the window opening are the glass run (run channel) fitted in the flanges on the inner panel and outer panel sides and the front and rear gaps thereof, and the rear portion of the glass run. And an inner panel side glass support having a function of abutting and positioning. An example of such a prior art is disclosed in Patent Document 2.
Here, the lower end of the vertically long glass support is located in the vicinity of the belt line on the door main part side, and the hook-shaped locking metal fitting protruding above the lower sash, which is a separate member, in the connecting hole formed in the lower end part Is locked, the upper end of the lower sash is connected to the lower portion of the glass support, and the downwardly extending portion of the glass run is attached and supported here. Thereby, a window glass guide path is continuously formed up and down, and raising and lowering of the window glass is facilitated.

Further, similarly to Patent Document 2, in the sash assembly structure shown in FIGS. 10A and 10B, the connection hole 230 is formed at the lower end of the glass support 220 forming a part of the vertical frame portion 210 facing the window opening 200. A configuration is known in which an upper connecting piece 250 having a tapered tip extending from the upper end of the lower sash 240 is inserted into the connecting hole 230 from the lower side upward.
Here, the upper connecting piece 250 is fitted and supported in the connecting hole 230, and then the screw hole 260 at the lower end of the lower sash 240 and the mounting hole 280 of the inner panel 270 are aligned, and a fastening process using screws is performed. The lower sash 240 is assembled to the door body.

Japanese Patent Laid-Open No. 9-123763 JP 2003-31264 A

However, in the configuration of Patent Document 1, a sash coupling member on the upper end side of the lower sash is externally fitted to the lower end portion of the U-shaped vertical sash, and a structure not using the U-shaped vertical sash, For example, it cannot be applied to a configuration in which a glass run is engaged and supported by a glass support on the inner panel side as in Patent Document 2.
On the other hand, in Patent Document 2, a lower sash hook-shaped fitting is locked in a connecting hole at the lower end of a vertically long glass support, and the lower end of the lower sash extending downward is bolted to the inner panel. However, in this case, variations in the shape of the hook-shaped locking fitting on the upper end side of the lower sash and variations in the form in which the locking fitting fits into the connecting hole of the glass support are likely to occur, and the screw hole on the lower end side of the lower sash It takes time to align the inner panel mounting holes, and the lower sash mounting workability is low.

Further, as shown in FIGS. 10A and 10B, in the configuration in which the upper connecting piece 250 at the upper end of the lower sash 240 is simply inserted into the connecting hole 230 at the lower end of the glass support 220, the plug is inserted. Variation in the vertical direction Z and the position in the front-rear direction X are likely to occur due to the amount of deviation. Since the connection position of the upper end of the lower sash varies in this way, it takes time to align the screw hole 260 on the lower end side of the lower sash 240 and the mounting hole 280 of the inner panel 270, and the mounting workability of the lower sash is low.
The present invention has been made based on the above problems, and the object is to connect the upper end of the lower sash without displacement to the connection hole of the glass support that forms part of the vertical frame facing the window opening. Thus, it is an object of the present invention to provide a vehicle door sash assembly structure in which a screw inserted through a mounting hole of a door inner panel can be easily aligned with a screw hole at a lower end of a lower sash, and a lower sash fastening workability is improved.

  The invention of claim 1 of the present application includes an opening facing wall member which forms a part of a window frame portion surrounding a window opening of a vehicle door and supports a longitudinal portion of a run channel for guiding a window glass. A lower part of the member is provided with a connecting hole, and a lower sash that extends from the upper end of the upper connecting piece is inserted into the connecting hole. The upper connecting piece is inserted between the hole side edges of the connecting hole. And a extending portion extending from the leading end portion to the upper end of the lower sash, and the extending portion contacts the upper edge portion of the connecting hole and the step portion A pair of bulges having a lateral width larger than the hole width of the connection hole is formed on the upper end side of the lower sash, the upper connection piece is inserted into the connection hole, and the pair of bulge parts abut against the hole side edge of the connection hole. Provided at the lower end of the lower sash when the step comes into contact with the upper edge Screw holes are said screw member inserted into the mounting hole of the door body side aligned is fastened, characterized in that.

  According to a second aspect of the present invention, in the vehicle door sash assembly structure according to the first aspect, the extending portion of the upper connecting piece is curved along the longitudinal direction, and the tip end portion is formed in the connecting hole. When inserted, a stepped portion abuts on the upper edge portion, and a pair of bulging portions abuts on the upper end side of the hole side edge of the connecting hole.

  The invention of claim 3 of the present application is the vehicle door sash assembly structure according to claim 1 or 2, wherein the upper upper hole side edge portion of the connecting hole peripheral edge portion is lower than the lower lower hole side edge portion. It protrudes and is formed in the said window opening side through the step part, It is characterized by the above-mentioned.

  According to the first aspect of the present invention, when the upper connecting piece extending from the upper end of the lower sash is inserted into the connecting hole and the amount of insertion is increased, the stepped portion of the upper connecting piece comes into contact with the upper edge of the connecting hole. The position restriction in the height direction is achieved by the above, and the position restriction in the front-rear direction is made by the pair of bulging portions of the upper connecting piece coming into contact with the hole side edge of the connection hole, and the upper connection is made to the hole side edge of the connection hole. Position restriction in the vehicle width direction is achieved by contacting both side edges of the piece, thereby positioning the upper part of the lower sash, and at the same time, the screw hole for fastening on the lower end side is inserted into the mounting hole on the door body side Since the alignment with the screw is made and the screws can be easily screwed together, the fastening operation to the door panel on the lower end side is facilitated, and then the run channel for guiding the window glass can be easily attached and supported.

  In the invention of claim 2, since the extending portion is curved along the longitudinal direction when the tip of the upper connecting piece is inserted into the connecting hole, the extending direction of the lower sash is set to the lower side of the door body. In addition, the upper and lower positions of the upper end of the lower sash can be easily maintained in such a state that the stepped portion is brought into contact with the upper edge portion of the connecting hole and the pair of bulging portions are brought into contact with the hole side edge. According to this, the fastening screw hole on the lower end side of the lower sash is easily opposed to the mounting hole on the door main body side, and alignment with the screw inserted through the mounting hole is facilitated.

  According to the invention of claim 3, the tip of the upper connecting piece can be easily inserted and fitted into the upper hole side edge portion of the connecting hole and the upper upper hole side from the lower side to the upper side. Work is facilitated.

It is a side view from the vehicle exterior of the door to which the sash assembly structure of the vehicle door as one embodiment of the present invention is applied. It is a side view from the vehicle interior of the door of FIG. It is an enlarged side view of the glass guide of the rear vertical frame part of the door of FIG. FIG. 2 is a cross-sectional view of the window frame portion of the door of FIG. 1, where (a) is a cross-sectional view taken along line AA in FIG. 1, (b) is a cross-sectional view taken along line BB in FIG. FIG. It is a perspective view around the connection hole of the glass guide of the door of FIG. 1, (a) shows before a lower sash attachment, (b) shows after attachment. It is a perspective view of the upper connection piece of the lower sash connected with the connection hole of Fig.4 (a), (b). It is a longitudinal cross-sectional view of the connection hole of the glass guide of FIG. 4 (a), (b) and the upper connection piece of the lower sash connected there. It is a perspective view of the lower end part of the lower sash of the door of FIG. 1, and the part of the inner panel to which this is bolted. The front view of the upper connection piece of the lower sash used with the door of FIG. 1 is shown, (a) shows 1st Embodiment, (b) shows 2nd Embodiment. It is a perspective view around the connection hole of the conventional glass guide, (a) shows before a lower sash attachment, (b) shows after attachment.

Hereinafter, a vehicle side door (hereinafter simply referred to as a door) to which the vehicle door sash assembly structure according to the first embodiment of the present invention is applied will be described.
This door 1 opens and closes a doorway on the side of a vehicle (not shown). A door inner panel 2 (see FIG. 2) and a door outer panel 3 (see FIG. 1) are overlapped to form a door main portion 4 and this door 1. A configuration is adopted in which a window frame portion 10 having a shape surrounding the window opening 5 continuously formed on the upper portion of the door main portion 4 is integrally formed.
In an internal space sandwiched between the door outer panel 3 and the door inner panel 2, a window glass 6 that opens and closes the window opening 5, a run channel 7 that forms a guide groove that guides the window glass up and down (see FIG. 4), and a lift drive mechanism The regulator 8 and other opening / closing operation members (not shown) are accommodated.

As shown in FIGS. 1 and 2, the window frame portion 10 around the upper window opening 5 formed by the door inner panel 2 and the door outer panel 3 adopts a substantially closed cross-sectional structure to enhance rigidity. The window frame portion 10 includes front and rear vertical frame portions 11 and 12 and an upper edge frame portion 13 that connects these upper ends, and is formed by continuously connecting them in a bent frame shape.
The front and rear vertical frame portions 11 and 12 and the upper edge frame portion 13 have substantially the same cross-sectional configuration (see FIG. 4). In the rear vertical frame portion 12, the outer peripheral edge sides 200 and 300 of the door inner panel 2 and the door outer panel 3 are pressed so as to form outer flanges that are pressed against each other. Inner flanges 210 and outer flanges 310 are formed on the inner edge sides of the door inner panel 2 and the door outer panel 3 facing the window openings 5 while facing each other with a predetermined distance therebetween. A run channel 7 is formed between the inner flange 210 and the outer flange 310 to form a guide groove for guiding and holding the window glass 6.

The inner flange 141 is welded to the inner flange 141 of the vertical glass guide 14 that is in contact with and supported by the back portion of the vertical portion of the vertical upper run channel 7. The vertical glass guide 14 forms a part of the rear vertical frame portion 12 and forms an opening facing wall member that supports the vertical portion of the vertical upper run channel 7. As shown in FIGS. It is continuously formed in the vertical direction which is the longitudinal direction of the vertical frame portion 12.
As shown in FIG. 4A, the vertical glass guide 14 includes an inner flange 141, a support portion 142 that is bent and extends from the inner flange 141, and a door outer panel 3 that is bent from the support portion 142 and bent. The outer flange 143 is welded to the step 211 on the outer inner flange 210 side of the door inner panel 2 after extending so as not to interfere.

As shown in FIG. 4B, the front vertical frame portion 11 on the front side has a cross-sectional configuration substantially similar to that of the rear vertical frame portion 12, but corresponds to the shape of the front bent portion of the window glass 6, The closed cross section formed by the door inner panel 2 and the door outer panel 3 is formed to be relatively large.
The outer peripheral sides 200 and 300 of the door inner panel 2 and the door outer panel 3 here are pressed so as to form an outer flange serving as a front end. Inner edge sides of the door inner panel 2 and the door outer panel 3 are formed with an inner flange 210a and an outer flange 310a facing each other, and the run channel 7 is accommodated therebetween.

  As shown in FIGS. 1 and 4B, the inner flange 141a of the bent glass guide 14a is welded to the inner flange 210a. The bent glass guide 14 a is continuously formed in the longitudinal direction of the front vertical frame portion 11, is bent in the vertical direction from the inclined shape near the lower end, and corresponds to the shape of the front bent portion of the window glass 6. As shown in FIG. 4B, the bent glass guide 14a is bent and extended from the inner flange 141a, and is supported by the back portion of the run channel 7, and is bent from the support portion 142a to be bent by the door outer panel 3. And an outer flange 143a welded to the stepped portion 211a on the outer inner flange 210a side. The run channel 7 of the front vertical frame portion 11 is attached to a lower run channel 710 of a lower sash 16a, which will be described later, connected to the lower portion of the front vertical frame portion 11, so that a front guide that guides the window glass 6 up and down. Grooves are formed.

Next, the relative relationship between the vertical glass guide 14 of the rear vertical frame portion 12 and the lower sash 16 connected thereto will be further described.
Here, the vertical upper run channel 7 of the rear vertical frame portion 12 is assembled with the lower run channel 710 on the lower sash 16 side to form a rear guide groove for guiding the window glass 6 up and down ( (See FIGS. 1 and 2).
As shown in FIGS. 1 and 3, the vertical glass guide 14 of the rear vertical frame portion 12 that supports the vertical upper run channel 7 is disposed in the entire vertical direction of the rear vertical frame portion 12, and the upper end is the upper edge frame portion 13. Welded together with the rear end.

Further, the vertical glass guide 14 has, at its lower end, a lower end front extending portion 141b in which the inner flange 141 extends forward, and the support portion 142 is curved and extends downward to form a connecting wall portion. 142b is formed. Further, the outer flange 143 is welded to the step portion 211 on the outer inner flange 210 side over the entire upper and lower regions.
By the way, the inner flange 210 facing the vertical glass guide 14 is integrally coupled with the rear end of the beltline inner flange 201 that forms the lower edge of the inner side of the window opening 5 to form an L-shaped edge. It is formed. An L-shaped lower end front extending portion 141b and an inner flange 141 of the vertical glass guide 14 are overlapped and welded to this portion to reinforce the door inner panel 2 side.

Next, as shown in FIGS. 5 and 7, the lower end side of the support portion 142 of the vertical glass guide 14 is located at a rising position from the door body, and is formed as a connecting wall portion 142 b that is curved upward and downward, Is formed with a rectangular connecting hole 16.
The connecting hole 16 includes an upper edge 161, a lower edge 162 on the lower side by a predetermined amount, and a left and right side edge 163 therebetween, and an upper protrusion 164 that protrudes forward of the hole is formed at an upper and lower intermediate position. A stepped portion 165 that retreats behind the hole is formed.
Further, the lower end of the lower retreating wall 166 extending downward from the lower edge portion 162 of the connecting hole 16 extends so as to protrude forward of the hole, and reaches the lower end 168 while retreating after forming the lower protruding portion 167 protruding. ing.

Here, as shown in FIGS. 5B and 7, the upper connection piece 18 at the upper end of the lower sash 17 is inserted and connected to the connection hole 16 of the vertical glass guide (opposing wall member) 14 as will be described later. .
As shown in FIGS. 7 and 9A, the upper connecting piece 18 is a back wall surface of the vertical glass guide 14, a tip 181 that contacts the upper side of the connecting hole 16, and extends from the tip 181 to the inside of the connecting hole 16. A distal end bending portion 182 as a distal end portion, which is a portion accommodated in the lower end portion, and an extending portion 183 extending from the distal end bending portion 182 to the upper end of the lower sash 17.
The upper end of the extension part 183 is in contact with the upper edge part 161 of the connection hole 16 and is formed as a stepped stopper part 184 having a lateral width B. Further, a curved portion 185 that curves and extends downward from the stepped stopper portion 184 on the lower sash 17 side is formed, and a pair of bulged portions 186 are formed at the left and right end edges in the vicinity of the curved portion 185. . Here, the pair of bulging portions 186 have a lateral width Lb larger than the hole width Bb (> B) of the connecting hole 16 and are formed so as to contact the upper projecting portion 164.

Here, the positioning of the upper side of the lower sash 17 and the bolt V (see FIG. 8) in which the screw hole (see FIG. 8) for fastening on the lower end side is inserted into the mounting hole 22 of the inner panel (door body side) 2 It is formed so that it can be easily aligned.
That is, in the present invention, the screw hole 21 and the mounting hole 22 are set by appropriately setting the shape of the upper connecting piece 18 of the lower sash 17 and the shape of the connecting hole 16 provided in the connecting wall portion 142b at the lower end of the vertical glass guide 14. Both shapes are set so that the alignment with the bolt V inserted through can be easily performed.
Specifically, the tip bending portion 182 as the tip portion of the upper connecting piece 18 is inserted into the connecting hole 16 of the vertical glass guide 14, and the tip 181 of the tip bending portion 182 is in contact with the rear wall surface of the vertical glass guide 14. In the state where the stepped stopper portion 183 contacts the left and right side edge portions 163, the position of the upper connecting piece 18 of the lower sash 17 in the left-right direction Y, which is the vehicle width direction, is restricted.

At this time, with respect to the stepped portion 165 of the connecting hole 16 and the upper left and right side edge portions 163 and the upper protruding portion 164 (upper hole side edge portion), the distal end bending portion 182 of the upper connecting piece 18 is moved upward from the lower side. It can be easily inserted and fitted toward the front, and the assembling work is facilitated.
Furthermore, since the curved portion 185 of the extending portion 183 is curved along the longitudinal direction, the extending direction of the lower sash 17 can be easily directed to the lower side of the door body.
In addition, since the step 165 is brought into contact with the upper edge 161 of the connecting hole 16 and the pair of bulged portions 186 are brought into contact with the upper left and right side edges 163, the upper end of the lower sash 17 can be maintained in this state. The positions in the vertical direction Z and the front-rear direction X can be easily regulated and specified.

Thus, after the upper connecting piece 18 regulates the position of the upper end side of the lower sash 17, the tilt angle θ (see FIG. 7) in the front-rear direction X of the lower sash 17 below the extended end 185 is then displaced. Thus, the back portion of the lower sash 17 is brought into contact with the lower protruding portion 167.
At this time, when the lower sash 17 is assembled, the upper and lower ends of the lower sash 17 are inside the door main portion 4 in which the door inner panel 2 and the door outer panel 3 are overlapped, and are not easily visible. However, here, the connecting process that also serves to align the upper connecting piece 18 on the upper end side of the lower sash 17 with the connecting hole 16 is easily performed. For this reason, position control in the up-down direction Z, the front-rear direction X, and the left-right direction Y, which is the vehicle width direction, is facilitated on the lower end side (see FIG. 8) of the lower sash 17 whose upper end side is previously position-controlled. The screw hole 21 for fastening on the side is easily opposed to the mounting hole 22 on the door body side, and alignment with the bolt V inserted through the mounting hole and fastening processing can be performed easily and accurately.

Thereafter, the lower run channel 710 (see FIG. 4C) on the lower sash 17 side can be easily attached and supported so that the lower end of the vertical run channel 7 of the rear vertical frame portion 12 and the lower sash 17 side face each other in an appropriate state. A guide groove for guiding the glass 6 up and down can be reliably formed.
In the above description, the lower end channel 710 of the upper vertical run channel 7 of the rear vertical frame unit 12 of the window frame unit 10 and the lower run channel 710 on the lower sash 17 side are attached and supported so as to face each other in an appropriate state. As shown in FIGS. 1 and 2, the front front frame 11 has a substantially symmetric shape.
Here, with respect to the connecting hole 16 formed at the lower end of the bent glass guide 14a continuously formed in the longitudinal direction of the front vertical frame portion 11, the upper connecting piece 18 at the upper end of the front lower sash 17a is It is connected in the same manner as the upper connecting piece 18 of the lower sash 17. Further, a fastening bolt V is inserted into the screw 21a at the lower end of the front lower sash 17a from the outside of the mounting hole 22a on the inner panel 2 side, reaches the screw 21a, and can be screwed together.

As a result, the lower run channel 710 at the lower end of the vertical run channel 7 and the lower run channel 710 of the front lower sash 16a can be easily mounted and supported similarly in the proper state using the configuration of the rear and front and rear objects. Can be reliably formed.
As described above, the door 1 is connected to the bent glass guide 14a in the front and rear vertical frame portions 11 and 12 on the window frame portion 10 side, and the upper connection of the front and rear lower sashes 17a and 17 to the connection holes 16a and 16 provided in the vertical glass guide 14. By connecting the pieces 18 a and 18, a guide groove that guides the front and rear of the window glass 6 up and down can be reliably formed, and the window glass 6 can be easily moved up and down using a regulator 8 that is a lift drive mechanism.

In particular, as described using the rear lower sash 17, when the upper connecting piece 18 is inserted into the connecting hole 18, the pair of bulging portions 186 easily come into contact with the upper hole side edge portion 163, and a step is formed thereon. When the stopper 183 contacts the upper edge of the connecting hole 18, the position restriction in the front-rear direction X and the height direction Z on the upper end side of the lower sash 17 is smoothly performed, that is, the positioning of the upper portion of the lower sash is smooth. Therefore, the fastening operation of the bolt V inserted through the screw hole 21 and the mounting hole 22 on the lower end side can be smoothly performed.
As described above, the upper connecting piece 18 connected to the connecting hole 16 formed in the support portion 142 of the vertical glass guide 14 has the width Lb of the extending portion 183 set to a pair as shown in FIG. Although the weight of the bulging portion 186 is narrower than that of the bulging portion 186, the weight of the bulging portion 186 is reduced. However, in some cases, as shown in FIG. It may be formed in the same manner as the width Lb to simplify the shape.
Although the embodiment of the present invention has been described above, the present invention is not limited to the embodiment, and various modifications can be made without departing from the spirit of the present invention.

DESCRIPTION OF SYMBOLS 1 Door 5 Window opening 7,710 Run channel 10 Window frame part 11, 12 Vertical frame part 14 Vertical glass guide (opposite wall member)
16 Connecting hole 161 Upper edge portion 163 Hole side edge 17 Lower sash 18 Upper connecting piece 181 Tip portion 183 Stepped stopper portion (step portion)
184 Upper contact portion 1841 Swelling portion 185 Extension end portion 21 Nut 22 Mounting hole B Horizontal width of upper connection piece Bb Hole width of connection hole Lb Horizontal width V Screw X Front-rear direction Y Vehicle width direction Z Vertical direction

Claims (3)

An opening-facing wall member that forms part of the window frame that surrounds the window opening of the vehicle door and supports the vertical portion of the run channel for window glass guidance;
Forming a connecting hole in the lower part of the opening facing wall member;
A lower sash that extends from the upper end of the upper connecting piece, the tip of which is inserted into the connecting hole,
The upper connecting piece has the tip portion that can be inserted into the connecting hole, and an extending portion that extends from the tip portion to the upper end of the lower sash,
The extended portion is formed with a stepped portion contacting the upper edge of the connecting hole and a pair of bulged portions having a lateral width larger than the hole width of the connecting hole on the upper end side of the lower sash from the stepped portion,
When the upper connecting piece is inserted into the connecting hole, the pair of bulging portions abut the hole side edge of the connecting hole and the stepped portion abuts on the upper edge portion, a screw hole provided at the lower end of the lower sash A sash assembly structure for a vehicle door, wherein the sash assembly structure for a vehicle door is positioned and fastened with a screw member inserted through an attachment hole on the door body side. In the vehicle door sash assembly structure according to claim 1,
The extending part of the upper connecting piece is curved along the longitudinal direction, and when the tip part is inserted into the connecting hole, a stepped part comes into contact with the upper edge part and a pair of bulging parts are formed. A sash assembly structure for a vehicle door, wherein the sash assembly structure is in contact with an upper end side of a hole side edge of a connection hole. In the vehicle door sash assembly structure according to claim 1 or 2,
Of the hole peripheral portion of the connection hole, the upper upper hole side edge portion is formed to protrude from the lower lower hole side edge portion to the window opening side through the step portion. Sash assembly structure.

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