JP2018062194A - Door sash structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door sash structure which improves connection strength among a door sash, a door inner panel, and a door outer panel to improve rigidity of a pillar of the door and enables lifting glass to smoothly move up or down for a long time.SOLUTION: In a door panel structure in which a door inner panel and a door outer panel are joined at edge parts, a door sash structure is disposed at the interior of a panel and guides lifting motion of lifting glass. A door sash 7 includes: one end 7A in which a glass run attachment part 8 is formed; and the other end 7B, in which a first fixing part 11 fixed to the door inner panel and a second fixing part 12 fixed to the door outer panel are formed, and is integrally molded by a resin.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a door sash structure.

Automobiles are required to have a lighter body structure that leads to improved fuel efficiency. As means for this, there are methods such as reducing the thickness of parts and stealing meat. However, the use of the above means should not lower the strength of each part.
The same is true for automobile doors. In particular, the side doors of automobiles need not only basic strength but also strength to withstand the load applied when the lift glass is raised and lowered. Further, it is necessary to prevent the door parts from being deformed due to repeated raising and lowering of the raising and lowering glass and the distortion of the door inner panel and the door outer panel due to long-term use without affecting the raising and lowering of the raising and lowering glass.
A glass run is provided on the edge of the elevating glass to suppress vibration of the elevating glass and prevent water and dust from entering the vehicle interior from the outside. Further, a door sash that supports the glass run and guides the lift glass up and down is provided for the glass run and the lift glass.
This door sash is an important part for reducing the weight while ensuring the required strength of the door, and the raising and lowering glass can be smoothly raised and lowered, and the role of the door sash in the vehicle door structure is great.
Conventionally, there has been a technique disclosed in Patent Document 1 as a door sash. This technique is described in [paragraph 0020] and [paragraph 0023] of the specification of Patent Document 1 as follows.
[Paragraph 0020]
“The rear door inner panel 20 includes a rear door inner panel main body 21 that covers the vehicle interior side below the belt line. A sash portion 22 is connected to an upper portion of the rear door inner panel main body 21. The sash portion 22 is a front sash portion 22a. A roof sash portion 22b, a rear sash portion 22c, and a center sash portion 23. The front sash portion 22a is provided upright at the front end portion of the rear door inner panel body 21. The roof sash portion 22b is provided on the front sash portion. The rear sash portion 22c is connected to the rear end portion of the roof sash portion 22b and extends at an inclination, and is connected to the upper end portion of the portion 22a. The center sash portion 23 includes a roof sash portion 22b and a rear sash portion 22c. Connected between, extend in the vertical direction, it is connected to the door inner panel body 21. "
[Paragraph 0023]
As shown in FIGS. 1 to 3, the above-described rear door outer panel 10 includes a rear door outer panel main body 11 that covers the rear door inner panel main body 21 below the belt line. The rear door outer panel main body 11 has a rear end portion at an upper end portion. 12c is connected to the rear sash portion 22c and extends along the longitudinal direction of the stationary glass weather strip 43, and the upper lateral wall portion 12 extending to the vehicle interior side is connected. "

JP2013-163442A

According to the above prior art, as described in [paragraph 0020] and [paragraph 0023] in the specification of Patent Document 1, the door sash is simply connected to the rear door inner panel 20 and the rear door outer panel 10. Met.
For this reason, there is a concern that the connection strength of the door sash, the door inner panel, and the door outer panel is lowered, and the rigidity of the door pillar is lowered. And when the door inner panel and door outer panel which comprise the said pillar deform | transformed, there existed a problem that it became difficult for a door sash to receive the influence of the deformation | transformation and to raise / lower a raising / lowering glass smoothly.
An object of the present invention is to provide a door sash structure that can increase the connection strength of the door sash, the door inner panel, and the door outer panel, increase the rigidity of the door pillar, and can raise and lower the elevating glass smoothly over a long period of time. The point is to provide.

The feature of the present invention is that
In the door sash structure in which the door inner panel and the door outer panel are joined at the edge, arranged inside the panel, and guiding the lifting movement of the lifting glass,
The door sash has one end formed with a glass run attachment portion,
A first fixing portion to the door inner panel, and a second end formed with a second fixing portion to the door outer panel,
It is in the point integrally molded with resin.

  According to the present invention, the door sash structure can increase the connection strength of the door sash, the door inner panel, and the door outer panel, can increase the rigidity of the door pillar, and can raise and lower the elevating glass smoothly over a long period of time. Can be provided.

Side view of vehicle door Enlarged view of the upper end of the door sash of FIG. AA sectional view of FIG. BB sectional view of FIG. The figure which shows the overhang | projection part of the upper end part of a door sash Schematic showing multiple annular walls of the door sash The schematic diagram which shows the distance of the annular wall part of another Example, and a 1st fixing part and a 2nd fixing part.

  The door sash structure of the embodiment of the present invention has one end on which a glass run attaching portion is formed, a first fixing portion to the door inner panel, and another end on which a second fixing portion to the door outer panel is formed. And is integrally molded with resin to increase the rigidity of the door pillar.

Embodiments of the present invention will be described below with reference to the drawings.
1 to 4 show a vehicle door 1. The door panel of the door 1 includes a door inner panel 2, a door outer panel 3, and a door reinforcement 4. The door inner panel 2 and the door outer panel 3 are joined at the edges 2S and 3S.

  As shown in FIGS. 1, 3, and 4, the pillar 5 of the door 1 is disposed inside the door panel, the inner garnish 18 that covers the door inner panel 2, the outer garnish 19 that covers the door outer panel 3, and the lift glass 6 And a door sash 7 for guiding the up-and-down movement of the door. The door sash 7 is made of resin.

[Structure of door sash 7]
The door sash 7 is formed long in the vertical direction and extends below the pillar 5. The door sash 7 is provided with a glass run attachment portion 8 in the form of a longitudinal groove whose front side Fr is open. The glass run attachment portion 8 is fitted with an attachment base portion 9K of a glass run 9 (weather strip) made of a rubber-like elastic body. The glass run 9 includes a seal portion 9A that is in pressure contact with both glass surfaces of the elevating glass 6, and prevents rainwater or the like from entering the vehicle interior.

  As shown in FIGS. 1 and 5, an overhanging portion 10 that projects to the vehicle rear side Rr is formed on the upper portion of the door sash 7 in the vicinity of the rear lower end portion of the opening 1 </ b> H of the door 1. The overhanging portion 10 is provided with a first fixing portion 11 that is fixed to the door inner panel 2 and a second fixing portion 12 that is fixed to the door outer panel 3. The overhang portion 10 is located on the back side of the glass run attachment portion 8. That is, the door sash 7 has one end 7A on which the glass run attaching portion 8 is formed, the first fixing portion 11 to the door inner panel 2, and the other end on which the second fixing portion 12 to the door outer panel 3 is formed. 7B, and is integrally formed of resin.

Thereby, the door inner panel 2, the door outer panel 3, and the glass run 9 (lifting glass 6) are united with the door sash 7 as a center. As a result, it is possible to suppress misalignment between the components (door sash 7, door inner panel 2, door outer panel 3, glass run 9), and increase the rigidity of the door sash 7 and the pillar 5 of the door 1.
Thus, the connection strength of the door sash 7, the door inner panel 2, and the door outer panel 3 can be increased, and the rigidity of the door sash 7 and the pillar 5 of the door 1 can be increased.
Since the door inner panel 2 and the door outer panel 3 are integrated with the door sash 7 sandwiched therebetween, the space between the door inner panel 2 and the door outer panel 3 can be set accurately, and the elevating glass 6 can be raised and lowered smoothly over a long period of time. Can be made.

  The door sash 7 is attached to a notch provided in the door panel. However, a gap is easily generated in the notch, and water or dust enters the notch, and vibration or There is a possibility of transmitting sound. On the other hand, according to the structure of this invention, it can lead to filling a clearance gap by utilizing the moldability of resin, and it can be tied to these suppression. In other words, the resin door sash 7 having a high moldability can form a shape with high hermeticity between the door inner panel 2 and the door outer panel 3, which can be linked to suppression of vibration, noise, and water intrusion.

[Structure of overhang 10]
As shown in FIGS. 3 and 5, an annular wall portion 20 having a rectangular shape in side view that opens to the vehicle width direction outer side W <b> 2 (vehicle compartment outer side) on the vehicle front side Fr portion of the upper portion of the overhang portion 10, An annular wall portion 20 having a rectangular shape in side view that opens to the vehicle width direction inner side W1 (vehicle interior side) is integrally formed. A portion 32 on the vehicle rear side Rr in the upper portion of the overhanging portion 10 is formed in a U-shaped cross section (see FIG. 3) in which the vehicle rear side Rr is opened. The first fixing portion 11 is configured by forming a bolt insertion hole 40 in a side wall 32S of the vehicle width direction inner side W1 of the portion 32 on the vehicle rear side Rr. As described above, the annular wall portion 20 is provided between the glass run attachment portion 8 and the first fixing portion 11.

  As shown in FIG. 3, the side wall 32K (corresponding to “the boundary portion of the door sash 7 with the outer panel 3”) of the vehicle width direction outer side W2 of the portion 32 on the vehicle rear side Rr is connected to the tip of the annular wall 20 It extends to the rear side Rr and faces the door outer panel 3. Thereby, the door sash 7 can be provided with surface contact resistance with the door outer panel 3, and the resistance is exhibited when the side wall 32 </ b> K contacts the door outer panel 3. Furthermore, since the side wall 32K supports the cushion material even when a cushion material for relaxing contact with the panel surface is provided, the attached state of the cushion material or the like is stabilized. Furthermore, the annular wall portion 20 that supports the glass run attachment portion 8 can be reinforced by the side wall 32K.

The intermediate wall 33 and the lower part 34 in the vertical direction of the overhanging part 10 are provided with an annular wall part 20 having a rectangular shape when viewed from the side in the vehicle width direction and an annular wall part having a rectangular shape when viewed from the side. 20 are integrally formed in a state aligned in the up-down direction and the vehicle front-rear direction. The second fixing portion 12 is configured by forming a bolt insertion hole 40 in the wall portion 37 of the projecting portion 10 on the vehicle rear side Rr from the annular wall portion 20. That is, a plurality of annular wall portions 20 are arranged in the range in the vehicle front-rear direction and the range in the vertical direction from the glass run attachment portion 8 to the second fixed portion 12. Thereby, the intermediate | middle wall between the adjacent annular wall parts 20 can increase, the strength rigidity of the annular wall part 20 can be improved, and the collapse of the annular wall part 20 can be suppressed.
A plurality of annular wall portions 20 may be arranged within the range in the vehicle longitudinal direction from the glass run attachment portion 8 to the first fixed portion 11 and / or within the range in the vertical direction.

  The first fixing portion 11 is located behind and above the second fixing portion 12 (above the vehicle rear side Rr) and is located further inside W1 in the vehicle width direction than the second fixing portion 12. In FIG. 6, a plurality of (in the present embodiment, five (not limited to this number)) rectangular wall portions 20 having a rectangular shape in side view that are opened in the vehicle width direction inner side W <b> 1 are indicated by bold lines.

  As shown in FIG. 5, the annular wall portion 20 includes a front wall 21 and a rear wall 22 in the vehicle longitudinal direction, and an upper wall 23 and a lower wall 24 in the vehicle vertical direction. That is, the annular wall portion 20 having the front wall 21, the rear wall 22, the upper wall 23, and the lower wall 24 is integrally provided on the back portion of the glass run attachment portion 8.

Thereby, the annular wall portion 20 that stretches between the door inner panel 2 and the door outer panel 3 shows resistance to the compressive force from the door inner panel 2 and the door outer panel 3, and deformation of the door sash 7 is suppressed. Further, the glass run 9 is stably fixed because the annular wall 20 has a closed cross section on the back side of the glass run 9. As a result, the elevating glass 6 can be raised and lowered smoothly.
More specifically, the load received by one panel surface of the door panel (door inner panel 2 / door outer panel 3) is received by the other panel surface, and the annular wall portion 20 of the door sash 7 itself is the door inner panel 2. And the door outer panel 3.
Therefore, the deformation of the door panel can be suppressed, and the influence on the lifting movement of the glass run 9 and the lifting glass 6 can be reduced. Further, the load received by the elevating glass 6 and the glass run 9 is received by a closed cross section formed by the annular wall portion 20 on the back side, and the panel surfaces of the door inner panel 2 and the door outer panel 3 are supported on the back side. For this reason, it becomes possible to connect to deformation suppression.

  As shown in FIG. 5, the second annular wall portion 25 surrounding the second fixing portion 12 on the vehicle rear side Rr of the annular wall portion 20 having a rectangular shape in a side view formed in the vertical intermediate portion 33 of the overhang portion 10. The third annular wall portion 26 is formed adjacent to the lower portion of the second annular wall portion 25. The rear wall 28 of the second annular wall portion 25 is formed in an arc shape that is convex toward the vehicle rear side Rr. In addition, the rear wall 29 and the lower wall 30 of the third annular wall portion 26 are formed in an arc shape protruding rearward and downward, and the rear wall 29 and the lower wall 30 are smoothly connected.

  As shown in FIG. 3, a cover portion 39 that covers the opening portion of the annular wall portion 20 that opens to the vehicle width direction outer side W <b> 2 extends from the end portion of the door outer panel 3 on the vehicle front side Fr to the vehicle front side Fr. . According to this configuration, by closing the opening necessary for molding the door sash 7 with the cover portion 39, a closed cross section is formed by the door sash 7 and the annular wall portion 20, and the door sash 7 can be further strengthened. Thus, deformation of the opening can be suppressed.

[Fixing structure by the first fixing part 11]
As shown in FIG. 3, the end portions of the door inner panel 2 and the door reinforcement 4 on the vehicle front side Fr are overlapped with each other in the vehicle width direction. A nut 41 is fixed to an end portion of the door reinforcement 4 on the vehicle front side Fr from the vehicle width direction outer side W2, and one end surface of the nut 41 is a side wall of the portion 32 on the vehicle rear side Rr of the overhang portion 10. It is superimposed on 32S. A bolt 50 is inserted into a bolt insertion hole formed in the end portion of the door inner panel 2 and the door reinforcement 4 on the vehicle front side Fr, and the bolt 50 is screwed into the nut 41. Furthermore, the tip of the bolt 50 protruding from the nut 41 is inserted and fitted into the bolt insertion hole 40 of the first fixing portion 11. An enlarged diameter portion 41A is formed in the nut 41, and the enlarged diameter portion 41A is in contact with the annular wall portion 20 from the vehicle rear side Rr.

[Fixing structure by second fixing part 12]
As shown in FIG. 4, a wall portion 37 (see also FIG. 5) of the overhanging portion 10 and a pedestal 19 </ b> D that bulges from the inner surface of the outer garnish 19 serve as a vehicle front side Fr end of the door outer panel 3. It is sandwiched in the width direction. Then, the bolt 50 is inserted into the bolt insertion hole 40 formed in the wall portion 37 and the pedestal 19D, the bolt 50 is screwed into the nut 41 disposed in the pedestal 19, and the wall portion 37 and the pedestal 19D are connected to the door. The end of the outer panel 3 on the vehicle front side Fr is clamped and fixed.

  The elevating glass 6 is often pentagonal, but has recently approached a quadrangle. Since the load applied to the door sash 7 in the up-and-down movement of the square lift glass 6 is large, the present invention is particularly effective for the door 1 including the lift glass 6 having a shape close to a square.

[Another embodiment]
(1) The annular wall portion 20 having a rectangular shape in a side view may be open on both the vehicle width direction inner side W1 and the vehicle width direction outer side W2.

(2) A cover part 39 covering the opening of the annular wall part 20 may extend from the door inner panel 2.

(3) The cover part 39 which covers the opening part of the annular wall part 20 opened to the vehicle width direction inner side W1 may extend from the door inner panel 2 or the door outer panel 3.

(4) As shown in FIG. 7, the distance L in the vehicle front-rear direction from the rear wall 22 of the annular wall portion 20 to the center 11P of the first fixing portion 11, and the center of the second fixing portion 12 from the rear wall 22 The distance L in the vehicle front-rear direction up to 12P may be substantially the same.
According to this configuration, the durability of the door sash 7 can be improved, and the door sash 7 can be improved by the load input from the door inner panel 2 and the door outer panel 3 via the first fixing portion 11 and the second fixing portion 12. Twist of the annular wall portion 20 can be prevented. As a result, deformation of the door sash 7 can be suppressed over a long period of time. The center 11P of the first fixing part 11 is the center of the bolt insertion hole 40 of the first fixing part 11, and the center 12P of the second fixing part 12 is the center of the bolt insertion hole 40 of the second fixing part 12.

(5) The present invention can be applied to a structure without the reinforcement 4.

(6) The first fixing part 11 and the second fixing part 12 may be fixed by fixing means other than bolt fixing.

(7) A plurality of the annular wall portions 20 may be arranged in at least one of a range in the vehicle longitudinal direction and a range in the vertical direction.

  As mentioned above, although embodiment and the Example of this invention were described, the said embodiment and Example are shown as an example and are not intending limiting the range of invention.

1 Vehicle Door 2 Door Inner Panel 2S Edge (Edge of Door Inner Panel)
3 Door outer panel 3S edge (edge of door outer panel)
6 Elevating glass 7 Door sash 7A One end (one end of door sash)
7B The other end (the other end of the door sash)
8 Glass run attachment portion 11 First fixing portion 11P Center of first fixing portion 12 Second fixing portion 12P Center of second fixing portion 20 Annular wall portion 21 Front wall 22 Rear wall 23 Upper wall 24 Lower wall 39 Cover portion L Distance W1 Vehicle width direction inside (vehicle compartment side)
W2 Vehicle width direction outside (vehicle compartment outside)

Claims (6)

In the door sash structure in which the door inner panel and the door outer panel are joined at the edge, arranged inside the panel, and guiding the lifting movement of the lifting glass,
The door sash has one end formed with a glass run attachment portion,
A first fixing portion to the door inner panel, and a second end formed with a second fixing portion to the door outer panel,
Door sash structure that is molded integrally with resin.   The door sash according to claim 1, wherein an annular wall portion having at least a front wall and a rear wall in the vehicle front-rear direction and an upper wall and a lower wall in the vehicle vertical direction is integrally provided on a back portion of the glass run attachment portion. Construction.   The annular wall portion is provided in at least one of a range in the vehicle longitudinal direction from the glass run attachment portion to the first fixed portion and a range in the vehicle longitudinal direction from the glass run attachment portion to the second fixed portion. The door sash structure according to claim 2, wherein a plurality of the doors are arranged. The annular wall portion opens toward at least one of the vehicle width direction inner side and the vehicle width direction outer side,
The door sash structure according to claim 2 or 3, wherein a cover portion covering the opening portion of the annular wall portion extends from the door inner panel or the door outer panel.   The distance in the vehicle front-rear direction from the rear wall of the annular wall part to the center of the first fixed part is substantially the same as the distance in the vehicle front-rear direction from the rear wall of the annular wall part to the center of the second fixed part. The door sash structure according to any one of claims 2 to 4, wherein the door sash structure is set.   The door sash structure according to any one of claims 1 to 5, wherein a boundary portion with the door inner panel or the door outer panel is configured by extending a tip of the annular wall portion.

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