JP2000247153A - Guide device for automobile door glass - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the shaking or sliding resistance by providing a guide piece having a recessed part or protruding part facing up and down on at least two upper and lower positions at one end of a door glass, and providing a guide protruding part or guide groove on a U-shaped sectional hard part engaged therewith and a weather strip part on a soft part. SOLUTION: A glass run 20 has a two-layer integrally molded structure consisting of a hard part 21 and a soft part 22s. The hard part 21 is formed into a substantially U-shaped sectional profile for receiving a door glass 30, and it has a vertically extending guide protruding part 23 to be slidably fitted to the recessed part of a guide piece 31 on a pair of opposed wall surfaces 21a thereof. The soft part 22s integrated to the hard part 21 is formed of weather strip parts extending forward from a pair of opposed wall surfaces 21a of the hard part 21 and having elastic deformable lips 26 extending toward the door glass 30 side, and stabilizer parts 22 located on both sides of the deep part. Accordingly, the door glass 30 can be retained with high retaining rigidity without shaking in the lateral and longitudinal directions of the can body, and the sliding resistance can be reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a guide device for guiding a door glass for an automobile up and down.

[0002]

2. Description of the Related Art In general, a door glass for an automobile supports a glass run made of a synthetic resin material at least on a lift guide portion of a door frame of a door sash, and raises and lowers one end of the door glass on the glass run. They are freely engaged.

Various specific structures of such a door glass guiding device have been proposed. For example, JP-A-5-69
No. 865 directly proposes a method of assembling a door glass, but when viewed as a door glass guide device, a corner piece is provided at the rear upper end of the door glass, and the corner piece and the glass run are provided with: An apparatus is disclosed in which a ridge and a locking portion that engage with each other are formed. However, since the technology described in this publication directly proposes a method of assembling a door glass, sufficient consideration has not been given to the relationship between a glass run and a guide piece, and the door glass has not been considered. Improvement of holding rigidity, reduction of backlash in the width direction and longitudinal direction of the vehicle body,
In addition, the reduction in sliding resistance was not sufficient. Also, no consideration is given to reducing the effect of a twist peculiar to the door sash.

[0004]

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a door glass guiding apparatus capable of improving the holding rigidity of a door glass, reducing the play of the vehicle body in the width and longitudinal directions, and reducing the sliding resistance. Another object of the present invention is to provide a door glass guiding device capable of stably guiding a door glass even when a twist peculiar to a door sash occurs.

[0005]

SUMMARY OF THE INVENTION The present invention relates to a vehicle for an automobile in which a glass run made of a synthetic resin material is supported on a lift guide portion of a door frame of a door sash, and one end of a door glass is engaged with the glass run so as to be able to move up and down. In a door glass guide device, a guide piece having a concave or convex portion facing vertically is provided in at least two upper and lower locations at one end of the door glass, and a glass run supported by an elevating guide section is provided by the door glass and the guide piece. A U-shaped rigid portion having a substantially U-shaped cross section to be received, and a soft portion softer than the U-shaped rigid portion and connected to the hard portion. A guide ridge or guide groove extending in the vertical direction is provided to engage with the concave portion or the convex portion of the door glass. Is characterized in that a weather strip portion which contacts the surface. Cross section U of glass run
It is preferable that a pair of the guide ridges (or guide grooves) of the character-shaped hard portion and the recesses (or protrusions) of the guide piece are provided on the front and back of the door glass, respectively.

As described above, the glass run is composed of the hard portion and the soft portion having the U-shaped cross section, and the roles thereof are shared. Reduction and sliding resistance can be reduced.

A guide ridge (or a guide groove) of a U-shaped hard section of a glass run having a guide ridge (or a guide groove) and a member located on the outside (inside and outside of the vehicle) of the glass run. Alternatively, it is preferable to form a space capable of elastically deforming the wall surface having the guide groove). The outer member may be formed of a door frame of a door sash or a soft portion of a glass run. By forming the deformed space of the U-shaped rigid portion in this manner, the door glass can be guided stably even if a twist peculiar to the door sash occurs.

The hard portion and the soft portion having a U-shaped cross section of the glass run are preferably formed by two-layer molding of a synthetic resin material. As a specific material of the hard portion, for example, PP (polypropylene) or nylon can be used, and as a specific material of the soft portion, TPO (olefin-based thermoplastic elastomer), vinyl chloride, rubber (eg, EPDM (ethylene -Propylene / non-conjugated diene strong polymer rubber)) and the like can be used.

[0009]

9 and 10 show a door sash 10 according to the present invention.
And the relationship between the glass runs 20. Door sash 1
0 has an outer panel 11, an inner panel 12, and a door frame 13, and the door frame 13 has a vertical guide 13V at the rear end thereof. The door frame 13 including the elevating guide portion 13V has a substantially U-shaped cross section in which the center side of the door frame 13 is open, and the glass run 20 is inserted and supported in the U-shaped cross section. The door glass 30 is located above and below the rear end,
A guide piece 31 made of a synthetic resin is provided. On the front and back sides (inside and outside of the room) of the guide piece 31, as shown in a single shape in FIG. Although the glass run 20 is inserted into all of the door frames 13, in this embodiment,
The outline of the structure of the glass run 20 supported by the lifting guide 13V is shown in FIG. 1 and FIGS. 3 to 7 show the first embodiment. The structure of the glass run supported by the door frame 13 other than the elevating guide 13V is not limited.

A lifting guide 13V of the door frame 13,
The glass run 20 supported by the elevating guide 13V has a uniform cross-sectional shape. Lifting guide unit 13V
Has a substantially U-shaped (U-shaped) cross-section 15 having a pair of retaining steps (constrictions) 14 at the entrance, and a plate of door glass 30 is provided in front of the retaining steps 14 respectively. A guide surface 16 in the thick plane direction is formed.

The glass run 20 is formed by integrally molding two layers of a hard part 21 made of PP (polypropylene) and a soft part 22 made of TPO (olefin thermoplastic elastomer). The hard part 21 is a door glass 30
(And the guide piece 31) has a substantially U-shaped (U-shaped) cross section, and extends in the vertical direction so as to slidably fit into the recess 32 of the guide piece 31 on the pair of opposed wall surfaces 21a. Guide ridges 23 are formed. The pair of opposing wall surfaces 21a are formed so that the center portions in the front-rear direction are free to approach each other, and the open ends (front ends) have retaining edges 24 facing the inside and outside of the vehicle.
Are formed.

The soft portion 22 integral with the U-shaped rigid portion 21 is formed by a pair of opposed wall surfaces 21 a of the U-shaped rigid portion 21.
Strip portions 22w extending forward from the
And stabilizer portions 22s located on both sides of the back (rear) of the U-shaped rigid portion 21 in cross section. The weather strip portion 22w is provided on the guide surface 1 of the lifting guide portion 13V.
6 and an elastic deformation lip 26 extending from the stable base 25 to the door glass 30 side.

FIGS. 3 to 7 show the above glass run 20.
Of the door glass 30 into the glass run 20 and the step of inserting the guide piece 31 of the door glass 30 into the glass run 20. The width (thickness in the width direction of the vehicle) of the outer surface of the U-shaped hard portion 21 in the free state of the glass run 20 in the free state is slightly larger than the interval between the pair of guide surfaces 16 of the elevating guide portion 13V, and the glass run 20 is substantially U-shaped section 15
When inserted into the inside, the U-shaped rigid portion 21 is elastically deformed. When the U-shaped cross-section hard portion 21 is inserted into the substantially U-shaped cross-section 15 of the elevating guide portion 13 as shown in FIG. 4, first, the stabilizer portion 22s of the soft portion 22 becomes the inner wall of the substantially U-shaped cross-section 15. When the U-shaped rigid portion 21 completely enters the substantially U-shaped cross-sectional portion 15 as shown in FIG. 5, the retaining edge 24 of the U-shaped rigid portion 21 It is locked by the retaining step 14 and is prevented from falling off. In this state, a deformation space 28 is formed between the opposing wall surface 21 a of the U-shaped rigid section 21 and the wall surface of the substantially U-shaped cross section 15. The stable base 25 of the weather strip portion 22 w of the soft portion 22 is supported along the guide surface 16.

Next, as shown in FIGS. 5 and 6, when the door glass 30 having the guide piece 31 is inserted into the glass run 20, the door glass 30 (guide piece 31)
Elastic deformation lip 2 of a pair of weather strip portions 22w
6, the guide piece 31 abuts on the guide ridge 23 of the U-shaped rigid portion 21 to spread the pair of opposed wall surfaces 21a. Since there is a deformation space 28 outside the opposing wall surface 21a, the opposing wall surface 21a can be elastically deformed by pushing the door glass 30 into the glass run 20 with a strong force.

When the concave portion 32 of the guide piece 31 reaches the guide ridge 23, the opposing wall surface 21a of the U-shaped rigid portion 21 is elastically restored, and the guide ridge 23 and the concave portion 32 are engaged. The elastic deformation lip 26 of the weather strip portion 22w elastically contacts the front and back of the door glass 30 to prevent rainwater from entering.

In the assembled state shown in FIGS. 1 and 7, the door glass 30 has the concave portions 32 of the pair of guide pieces 31 provided on the upper and lower portions of the rear end thereof, and the U-shaped rigid portion 21 of the glass run 20 having the U-shaped cross section. Depending on the engagement relationship with the guide ridge 23,
The vehicle body is held with high holding rigidity without rattling in the width direction and the front-back direction of the vehicle body, and the sliding resistance can be reduced. Further, since the deformation space 28 exists outside the opposed wall surface 21a of the hard portion 21 having a U-shaped cross section (inside and outside the vehicle), even if a twist is applied to the door sash, the position of the guide ridge 23 is displaced. The door glass 30 can be guided up and down in a stable state.

FIG. 8 shows another embodiment of the present invention. In this embodiment, the soft portion 2 of the glass run 20 is mainly used.
The shape of 2 ′ is changed, and the soft portion 22 ′ has a cross section U
U which is larger than the hard part 21 and surrounds the character-shaped hard part 21
The stabilizer section 22 has a U-shaped (U-shaped) cross section.
s is omitted. In this embodiment, the opposing wall surface 21
The deformed space 28 ′ outside of the “a” is a U-shaped soft section 22 ′
And the opposite wall surface 22a. Further, on both outer surfaces of the opposing wall surface 22a, a retaining step 29 which engages with the pair of retaining steps 14 is formed.

In this embodiment, the same operation and effect as in the first embodiment can be obtained.

The above embodiment is an embodiment in which a concave portion 32 is provided in a guide piece 31 and a guide ridge 23 is provided in a hard section 21 having a U-shaped cross section. The hard portion 21 may be provided with a guide groove slidably engaged with the convex portion.

[0020]

According to the guide device of the present invention, it is possible to improve the holding rigidity of the door glass, reduce the backlash in the width direction and the front-rear direction of the vehicle body, reduce the sliding resistance, and further twist the door sash. The door glass can be guided stably even if the occurrence occurs.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view taken along the line II of FIG. 10, showing a first embodiment of a door glass guiding device according to the present invention.

FIG. 2 is a perspective view of a guide piece attached to an end of a door glass.

FIG. 3 is a cross-sectional view before assembling a glass run to a door sash according to the first embodiment.

FIG. 4 is a sectional view in the middle of the assembly.

FIG. 5 is a cross-sectional view after the assembly of the glass run to the door sash is completed and before the door glass is assembled.

FIG. 6 is a cross-sectional view of the door glass during assembly.

FIG. 7 is a cross-sectional view of the assembly completed state.

FIG. 8 is a sectional view, corresponding to FIG. 1, showing a second embodiment of the door glass guiding device according to the present invention.

FIG. 9 is a perspective view showing a state before the glass run is attached to the door sash.

FIG. 10 is a perspective view of the assembly completed state.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Door sash 13 Door frame 13V Elevating guide part 14 Detent step 15 Approximately U-shaped cross-section 16 Guide surface 20 Glass run 21 Cross-section U-shaped hard part 22 Soft part 22w Weather strip part 22s Stabilizer part 23 Guide ridge 24 Retaining edge 25 stable base 26 elastic deformation lip 28 28 'deformation space 30 door glass 31 guide piece 32 recess

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3D127 AA00 AA15 BB01 CB05 CC05 DD27 DE02 DE03 DE09 DE12 DE17 DE25 EE02 EE15 EE16 EE25 GG03 GG07

Claims (6)

[Claims] 1. A guide for an automobile door glass in which a glass run made of a synthetic resin material is supported on an elevating guide portion of a door frame of a door sash, and one end of the door glass is movably engaged with the glass run. In the apparatus, a guide piece having a concave portion or a convex portion facing vertically is provided in at least two upper and lower portions of one end of the door glass, and the glass run supported by the elevating guide portion receives the door glass and the guide piece. A hard portion having a substantially U-shaped cross section and a soft portion which is softer than the U-shaped hard portion and connected to the hard portion. The concave or convex portion of the guide piece is formed on the U-shaped hard portion. A guide ridge or a guide groove extending in the vertical direction is provided for engaging with the door glass. A guide device for a door glass for an automobile, comprising a weatherstrip portion that comes into contact with the vehicle. 2. The guide device according to claim 1, wherein the guide ridge or guide groove of the U-shaped rigid portion of the glass run and the concave or convex portion of the guide piece are respectively located on the front and back of the door glass. Guide device for door glass for automobiles provided with. 3. The guide device according to claim 1, wherein the guide is provided between a wall surface having a guide ridge or a guide groove of a hard portion having a U-shaped cross section of the glass run and a member located outside the wall. An automobile door glass guide device in which a space that allows elastic deformation of a wall surface having a ridge or a guide groove is formed. 4. The guide device according to claim 3, wherein the outer member is a door frame of a door sash. 5. The guide device according to claim 3, wherein the outer member is a soft portion of a glass run. 6. The guide device according to claim 1, wherein the hard portion and the soft portion having a U-shaped cross section of the glass run are formed by two-layer integral molding of a synthetic resin material. Door glass guide device.