JP2015193275A - Vehicle door structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle door structure which makes a door trim less likely to be removed from an inner weather-strip, enables improvement of the rigidity of a top surface part of the door trim, makes a gap between the door trim and door glass small, and enables improvement of sealing performance and appearance of a window frame lower edge.SOLUTION: A vehicle door structure 100 includes: a door inner panel 102; a door trim 104 attached to the vehicle inner side of the door inner panel 102; and an inner weather-strip 108 which is attached along a window frame lower edge 124 of the door inner panel 102. The door trim 104 includes: a vertical wall part 110 facing a passenger compartment; a top surface part 112 which extends from an upper end of the vertical wall part 110 to the vehicle outer side; a first rib 114 extending downward from the top surface part 112; and a recessed part 116 formed by cutting out the first rib 114. The inner weather-strip 108 includes: an arm part 120 which enters into the recessed part 116 and extends in a vehicle vertical direction; and a claw part 122 which fixes the arm part 120 to the recessed part 116.

Description

  The present invention relates to a vehicle door structure including an inner weather strip that is attached along a lower edge of a window frame of a door inner panel and closes a gap between the door inner panel and a door glass.

  The vehicle door structure includes, for example, a door inner panel constituting the vehicle door, and an inner weather strip attached to the lower edge of the window frame of the door inner panel. The inner weather strip is a rubber member that closes the gap between the window frame lower edge of the door inner panel and the door glass, and prevents rainwater and the like from entering the vehicle interior through the gap.

  Patent Document 1 discloses a door trim for an automobile equipped with a weather strip. The weather strip includes a molding part that extends one end of a holding frame main body made of a cored bar and a fixing claw part that extends the other end. The weather strip is fixed to the door trim by sandwiching the flange of the door trim between the molding portion and the fixing claw portion.

  According to Patent Document 1, it is possible to accurately assemble a door trim and a weather strip, and to provide an automobile door trim excellent in appearance quality.

JP 2001-277859 A

  However, in the automobile door trim of Patent Document 1, the top surface portion of the door trim cannot be overhanged from the door inner panel to the door glass side (the vehicle outer side). For this reason, a large gap is generated between the top surface of the door trim and the door inner panel. Although this large gap is closed by the molding part, the molding part made of a core metal can be visually recognized from the outside, so that the appearance of the lower edge of the window frame is deteriorated.

  Further, in Patent Document 1, in order to fix the door trim to the weather strip, the molding part and the fixing claw part that sandwich the flange of the door trim are members extending in the vehicle width direction. In this case, the top surface portion of the door trim cannot secure rigidity, and may be wavy due to distortion due to a temperature change or the like. In addition, when a load in the vehicle width direction is applied to the door trim, the fixing claw part is easily elastically deformed, so that the flange of the door trim comes off from being held by the weather strip molding part and the fixing claw part, and rattling occurs. There is a risk of it.

  In view of such a problem, the present invention makes it difficult for the door trim to come off from the inner weather strip, improves the rigidity of the top surface of the door trim, reduces the gap between the door trim and the door glass, and provides sealing performance and appearance of the lower edge of the window frame. It aims at providing the door structure for vehicles which can improve.

  In order to solve the above-described problems, a typical configuration of a vehicle door structure according to the present invention includes a door inner panel that constitutes the interior side of the vehicle door and a vehicle inner side of the door inner panel. The door trim that can be installed, the door glass that is located outside the door inner panel and can be moved up and down, and the inner weather strip that is installed along the lower edge of the window frame of the door inner panel and closes the gap between the door inner panel and the door glass. The door trim includes a vertical wall portion facing the passenger compartment, a top surface portion extending from the upper end of the vertical wall portion to the front of the door glass toward the outside of the vehicle, and downward from the lower surface of the top surface portion in the vehicle width direction. And an inner weather strip that extends in the vehicle vertical direction and enters the recess. When, characterized in that it contains a claw portion for fixing the entry was arms in the recess.

  In the above configuration, the arm portion of the inner weather strip enters from the lower side of the recess notched upward from the lower end of the first rib of the door trim. Moreover, the arm part which approached is fixed to a recessed part by the nail | claw part.

  Accordingly, the arm portion of the inner weather strip does not easily come out of the recess, and the door trim does not easily come off from the inner weather strip. Further, since the door trim is firmly supported from below by the inner weather strip via the first rib, the rigidity of the top surface portion of the door trim can be improved. The door trim can be integrally molded with the first rib.

  The end portion of the first rib on the vehicle outer side is located on the vehicle outer side than the concave portion into which the arm portion of the inner weather strip enters. That is, the end portion on the vehicle outer side of the top surface portion of the door trim is located on the vehicle outer side than the arm portion of the inner weather strip. In this case, the gap between the door trim and the door glass is reduced, and the sealing performance of the window frame lower edge is improved. Moreover, since it is not necessary to add another member for concealing the gap, the appearance of the lower edge of the window frame is improved.

  The door trim may further include a second rib extending downward from an end of the top surface on the vehicle outer side in the vehicle front-rear direction.

  According to such a configuration, the door trim includes the second rib in the vehicle front-rear direction, and the second rib restricts movement of the door trim in the vehicle width direction and suppresses rattling. The end of the vehicle exterior of the door trim increases in thickness by the amount of the second rib in the longitudinal direction of the vehicle. This improves the rigidity of the top surface of the door trim, and the top surface of the door trim may wave due to distortion due to temperature changes. Can be suppressed.

  The first rib and the second rib may be joined. Thereby, the rigidity of a door trim can be improved more.

  The arm part may enter the recess so as to overlap a connection line connecting the lower edge of the window frame of the door inner panel and the recess when viewed from the vehicle front-rear direction. According to this configuration, the length of the arm portion of the inner weather strip is shortened, so that the arm portion is stabilized. Therefore, the movement of the door trim can be suppressed. Moreover, the arm part of the inner weather strip can be made difficult to come out of the recess.

  The end portion on the vehicle exterior side of the top surface portion of the door trim may be disposed on the vehicle exterior side with respect to the lower edge of the window frame of the door inner panel. Thereby, the clearance gap between a door trim and a door glass can be made smaller, and sealing performance and the external appearance of a window frame lower edge can be improved.

  According to the present invention, the door trim is unlikely to be detached from the inner weather strip, the top trim of the door trim is improved in rigidity, the gap between the door trim and the door glass is small, and the sealing performance and appearance of the window frame lower edge are improved. A possible vehicle door structure can be provided.

It is the figure which looked at the vehicle door structure concerning embodiment of this invention from the vehicle inner side. It is the perspective view which decomposed | disassembled the vehicle door structure of FIG. It is the perspective view which expanded the top | upper surface part periphery of the door trim of FIG. FIG. 4 is a cross-sectional view showing a state in which a door trim is fixed to an inner weather strip corresponding to the AA cross section of FIG. 3. It is sectional drawing which shows the vehicle door structure concerning a comparative example. It is sectional drawing explaining the method of manufacturing the door trim of FIG. 5 by metal mold forming. It is sectional drawing explaining the method of manufacturing the door trim of FIG. 1 by metal mold forming.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The dimensions, materials, and other specific numerical values shown in the embodiments are merely examples for facilitating understanding of the invention, and do not limit the present invention unless otherwise specified. In the present specification and drawings, elements having substantially the same function and configuration are denoted by the same reference numerals, and redundant description is omitted, and elements not directly related to the present invention are not illustrated. To do.

  FIG. 1 is a view of a vehicle door structure 100 according to an embodiment of the present invention as seen from the inside of a vehicle. FIG. 1 is a diagram in which a vehicle door structure 100 is applied to a right seat (for example, a driver's seat) of a vehicle, and components of the vehicle body are not shown for convenience. FIG. 2 is an exploded perspective view of the vehicle door structure 100 of FIG.

  As shown in FIGS. 1 and 2, the vehicle door structure 100 includes a door inner panel 102 that constitutes the interior side of the vehicle door, and a door trim 104 that is attached to the inside of the door inner panel 102. The vehicle door structure 100 further includes a door glass 106 which is positioned outside the door inner panel 102 and can be moved up and down, and an inner weather strip 108 attached along the window frame lower edge 124 of the door inner panel 102. ing. The inner weather strip 108 closes the gap between the door inner panel 102 and the door glass 106.

  As shown in FIGS. 1 and 2, the door trim 104 includes a vertical wall portion 110 facing the passenger compartment, and a top surface portion 112 that continues from the upper end of the vertical wall portion 110 and extends to the front of the door glass 106 toward the outside of the vehicle. It has.

  3 is an enlarged perspective view of the periphery of the top surface portion 112 of the door trim 104 of FIG. FIG. 4 is a cross-sectional view corresponding to the AA cross section of FIG. 3 and showing the door trim 104 fixed to the inner weather strip 108.

  As shown in FIGS. 3 and 4, the door trim 104 includes a first rib 114 that extends downward from the lower surface of the top surface portion 112 in the vehicle width direction, and a recess 116 that is formed by notching the first rib 114 upward from its lower end. And a second rib 118 extending downward from the vehicle outer end of the top surface 112 over the vehicle longitudinal direction. As shown in FIG. 3, a plurality of first ribs 114 are arranged at a predetermined interval in the vehicle front-rear direction. On the other hand, the second rib 118 is continuous in the vehicle longitudinal direction. As shown in FIG. 4, the first rib 114 and the second rib 118 are joined. Thereby, the rigidity of the door trim 104 can be further improved.

  As shown in FIG. 4, the end of the top surface 112 of the door trim 104 on the outside of the vehicle, that is, the end of the second rib 118 on the outside of the vehicle, is arranged outside the window frame lower edge 124 of the door inner panel 102. Has been. Thereby, the clearance gap between the door trim 104 and the door glass 106 can be made smaller, and sealing performance and the external appearance of the window frame lower edge 124 can be improved.

  As shown in FIG. 4, the inner weather strip 108 includes an arm portion 120 extending in the vehicle vertical direction that enters the recess 116, and a claw portion 122 that fixes the entered arm portion 120 to the recess 116. As shown in FIG. 1, the inner weather strip 108 is a member that is attached along the window frame lower edge 124 and that is continuous in the vehicle front-rear direction. Therefore, the arm part 120 and the claw part 122 are also continuous in the vehicle front-rear direction.

  The arm portion 120 of the inner weather strip 108 enters the recess 116 so as to overlap a connection line L connecting the window frame lower edge 124 of the door inner panel 102 and the recess 116 when viewed from the front-rear direction of the vehicle. Thereby, since the length of the arm part 120 of the inner weather strip 108 becomes short, the arm part 120 is stabilized. Therefore, the movement of the door trim 104 can be suppressed. Further, the arm portion 120 of the inner weather strip 108 can be made difficult to come out of the recess 116.

  Concavities and convexities (burrs) may be provided on the inner surface of the recess 116 shown in FIG. As a result, the claw portion 122 of the inner weather strip 108 interferes with the irregularities (burrs), and the arm portion 120 of the inner weather strip becomes difficult to come off from the concave portion 116, so that the door trim 104 can be further prevented from coming off from the inner weather strip 108. it can.

  As shown in FIG. 4, the vehicle door structure 100 further includes a door outer panel 132 constituting the vehicle exterior side of the vehicle door, and an outer weather strip 136 attached along the window frame lower edge 134 of the door outer panel 132. ing.

  As shown in FIG. 4, the inner weather strip 108 is clamped to fix itself to the window frame lower edge 124 of the door inner panel 102 by sandwiching the window frame lower edge 124 of the door inner panel 102 from the vehicle inner side and the vehicle outer side. Part 126 is included. The outer weather strip 136 includes a pinching portion 142 that fixes itself to the window frame lower edge 134 of the door outer panel 132 by sandwiching the window frame lower edge 134 of the door outer panel 132 from the vehicle inner side and the vehicle outer side.

  The inner weather strip 108 further includes an upper lip portion 128 and a lower lip portion 130 that extend from the upper end and the lower end of the sandwiching portion 126 so that the front end contacts the door glass 106. The outer weather strip 108 further includes an upper lip portion 138 and a lower lip portion 140 that extend from the upper end and the lower end of the sandwiching portion 126 so that the front end contacts the door glass 106.

  The upper lip portions 128 and 138 and the lower lip portions 130 and 140 of the inner weather strip 108 and the outer strip 136 are elastically deformed around the sandwiching portions 126 and 142 as the door glass 106 that opens and closes moves up and down.

  4, when the upper end of the door glass 106 rises and protrudes above the door trim 104, the upper lip portions 128 and 138 and the lower lip portion 130, the inner weather strip 108 and the outer strip 136, The tip of 140 rises so as to be pushed up by the door glass 106.

  On the other hand, as shown by a solid line in FIG. 4, when the upper end of the door glass 106 is lowered, the tips of the upper lip portions 128 and 138 and the lower lip portions 130 and 140 of the inner weather strip 108 and the outer strip 136 are The door glass 106 is lowered to cover the upper end.

  The upper lip portions 128 and 138 and the lower lip portions 130 and 140 of the inner weather strip 108 and the outer strip 136 are elastically deformed as described above, so that the clearance between the door inner panel 102 and the door glass 106 and the door outer panel 132 are increased. And the gap between the door glass 106 are closed.

  Further, as shown in FIG. 4, the upper lip portion 128 of the inner weather strip 108 has an end portion of the door trim 104 on the outside of the vehicle when the upper end of the door glass 106 protrudes upward from the door trim 104 as indicated by a one-dot chain line. That is, it comes into contact with the second rib 118. Thereby, the clearance gap between the 2nd rib 118 and the clamping part 126 of the inner weather strip 108 is sealed.

  Next, the effect of the vehicle door structure 100 according to the present embodiment will be described. First, as shown in FIG. 4, the arm portion 120 of the inner weather strip 108 enters the recess 116 of the first rib 114 of the door trim 104 from below and is fixed to the recess 116 by the claw portion 122. Therefore, the arm portion 120 of the inner weather strip 108 is difficult to come off from the recess 116, and the door trim 104 is difficult to come off from the inner weather strip 108.

  Further, since the door trim 104 is firmly supported from below by the inner weather strip 108 via the first rib 114, the rigidity of the top surface portion 112 of the door trim 104 can be improved.

  An end portion on the vehicle outer side of the first rib 114 is located on the vehicle outer side with respect to the concave portion 116 into which the arm portion 120 of the inner weather strip 108 enters. That is, the end portion on the vehicle exterior side of the top surface portion 112 of the door trim 104 is positioned on the vehicle exterior side with respect to the arm portion 120 of the inner weather strip 108. In this case, the gap between the door trim 104 and the door glass 106 is reduced, and the sealing performance of the window frame lower edge 124 is improved. Moreover, since it is not necessary to add another member for hiding the gap, the appearance of the window frame lower edge 124 is improved.

  The second rib 118 of the door trim 104 restricts movement of the door trim 104 in the vehicle width direction and suppresses rattling. Further, the end of the door trim 104 on the vehicle outer side is increased in thickness by the second rib 118 in the vehicle front-rear direction. Therefore, the rigidity of the top surface portion of the door trim 104 is improved, and the top surface portion 112 of the door trim 104 can also be suppressed from undulating due to distortion due to a temperature change or the like.

  FIG. 5 is a cross-sectional view showing a vehicle door structure 300 according to a comparative example. In this comparative example, the inner weather strip 308 includes an upper lip portion 328 and a lower lip portion 330, and further includes a sealing lip 332 that extends toward the vehicle outer end of the top surface portion 312 of the door trim 304. On the other hand, in the present embodiment, the second rib 118 reduces the gap between the top surface portion 112 of the door trim 104 and the clamping portion 126 of the inner weather strip 108 and contacts the upper lip portion 128 as described above. Therefore, a sealing lip or the like for always closing the gap can be omitted.

  Here, as a further effect of the present embodiment, a method for manufacturing the door trim 104 by molding will be described in comparison with a comparative example.

  As shown in FIG. 5, the vehicle door structure 300 of the comparative example includes a door inner panel 302 that constitutes the interior side of the vehicle door, a door trim 304 that is attached to the vehicle inner side of the door inner panel 302, and a door inner panel 302. A door glass 306 which can be moved up and down, and an inner weather strip 308 attached along a window frame lower edge 324 of the door inner panel 302.

  As shown in FIG. 5, the door trim 304 includes a vertical wall portion 310 that extends in the vehicle vertical direction on the vehicle interior side, and a top surface portion 312 that extends from the upper end of the vertical wall portion 310 to the front of the door glass 106 toward the vehicle exterior side. It has.

  The door trim 304 includes a pair of upper and lower clamping pieces 314 and 316 that extend downward from the lower surface of the top surface 312 over the vehicle width direction and bend outward. A plurality of these sandwiching pieces 314 and 316 are provided at intervals in the vehicle front-rear direction of the inner weather strip 308, and the bending positions are shifted vertically. Therefore, the holding pieces 314 and 316 can hold the arm part 320.

  The door trim 304 is fixed to the inner weather strip 308 by sandwiching the arm portion 320 in which the sandwiching pieces 314 and 316 extend in the vehicle width direction (vehicle inner side) of the inner weather strip 308.

  FIG. 6 is a cross-sectional view illustrating a method for manufacturing the door trim 304 of FIG. 5 by molding. Three molds 400, 402, and 404 are used for molding. As shown in FIG. 6, after the mold 402 is slid in the right direction as indicated by an arrow after molding, the upper and lower molds 400 and 404 are separated as indicated by the arrow, whereby the door trim 304 is removed from the mold. It is possible to mold.

  However, as shown by the one-dot chain line in FIG. 6, if the rib 318 extending downward from the end of the top surface 312 of the door trim 304 is provided temporarily, the mold 402 cannot be slid rightward, It becomes impossible to mold.

  Therefore, in the conventional structure such as the comparative example, it is necessary to provide a mold extending downward from the top surface portion of the door trim, such as the first rib 114 or the second rib 118 of the door trim 104 of the present embodiment. I couldn't do it because of the above restrictions

  Next, a method for manufacturing the door trim of the vehicle door structure 100 of the present embodiment by molding will be described. FIG. 7 is a cross-sectional view illustrating a method for manufacturing the door trim 104 of FIG. 1 by molding. As shown in FIG. 7, the door trim 104 can be integrally molded with the first rib 114 by separating the upper and lower molds 200 and 202 vertically as shown by arrows after molding. .

  As mentioned above, although preferred embodiment of this invention was described referring an accompanying drawing, it cannot be overemphasized that this invention is not limited to the example which concerns. It will be apparent to those skilled in the art that various changes and modifications can be made within the scope of the claims, and these are naturally within the technical scope of the present invention. Understood.

  INDUSTRIAL APPLICABILITY The present invention can be used for a vehicle door structure provided with an inner weather strip that is attached along the lower edge of the window frame of the door inner panel and closes a gap between the door inner panel and the door glass.

114: first rib, 116: recess, 118 ... second rib, 122 ... claw, 126 ... clamping part, 132 ... door outer panel, 134 ... lower edge of window frame, 136 ... outer weather strip, 138 ... upper lip , 140 ... lower lip part, 142 ... clamping part, 332 ... sealing lip, 100, 300 ... vehicle door structure, 102, 302 ... door inner panel, 104, 304 ... door trim, 106, 306 ... door glass, 108 308 ... Inner weather strip 110,310 ... Vertical wall portion 112,312 ... Top surface portion 120,320 ... Arm portion 124,324 ... Lower edge of window frame 128,328 ... Upper lip portion 130,330 ... Lower lip, 314, 316 ... clamping piece, 200, 202, 400, 402, 404 ... mold

Claims (5)

In the door structure for vehicles,
A door inner panel constituting the interior side of the vehicle door;
A door trim attached to the inner side of the door inner panel;
A door glass positioned on the vehicle outer side of the door inner panel and capable of moving up and down;
An inner weather strip that is attached along the lower edge of the window frame of the door inner panel and closes a gap between the door inner panel and the door glass;
The door trim is
A vertical wall facing the passenger compartment;
A top surface extending continuously from the upper end of the vertical wall to the front of the door glass toward the outside of the vehicle;
A first rib extending downward from the lower surface of the top surface portion over the vehicle width direction;
A recess formed by cutting the first rib upward from its lower end;
The inner weather strip is
An arm portion extending in the vehicle vertical direction entering the recess,
A vehicular door structure including a claw portion for fixing the arm portion that has entered the recess portion.   2. The vehicle door structure according to claim 1, wherein the door trim further includes a second rib extending downward from an end portion of the top surface portion on the vehicle outer side in the vehicle front-rear direction.   The vehicle door structure according to claim 2, wherein the first rib and the second rib are joined.   The arm portion enters the recess so as to overlap a connection line connecting a lower edge of the window frame of the door inner panel and the recess when viewed from the vehicle front-rear direction. The vehicle door structure according to claim 1.   5. The vehicle door structure according to claim 1, wherein an end of the top surface portion of the door trim on the vehicle outer side is disposed on the vehicle outer side with respect to a window frame lower edge of the door inner panel. .

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