JP3614579B2 - Weatherstrip molding part - Google Patents

Description

[0001]
[Technical field to which the invention belongs]
The present invention relates to a weather strip that is mounted around a door of a passenger car or the like, and more particularly, to a structure of a molded portion of a weather strip that has improved mountability to a terminal portion of a sashless door.
[0002]
[Prior art]
A sashless door of a passenger car does not have a so-called sash portion and is composed only of a door panel, and an upper end edge thereof is set to a substantially beltline height.
Weather strips attached to the left and right end portions of the upper edge of the sashless door are formed of a metal thin plate or a hard synthetic resin plate to form a corner portion having a relatively complicated shape and bent at about 90 °. It consists of a molded part having an insert panel as a core material, and is joined to a relatively simple and long extruded part by thermal welding, an adhesive, or the like to form a seal around the sashless door.
In addition, you may join integrally by a vulcanization molding simultaneously with the said extrusion molding part at the time of shaping | molding of a shaping | molding part.
[0003]
FIG. 4 is a perspective view showing a mold forming portion 10 of a conventional sashless door weather strip. The mold forming portion 10 includes a columnar portion 11 that is lowered along a corner of a door panel DP of the sashless door. In the center, a first assembly flap portion 15 and a second assembly flap portion 16 are provided so as to protrude from the upper end to the left and right at an angle of about 90 °.
[0004]
The cross section of the main part of the columnar part 11 is defined by a hollow housing part 12 and seal lip parts 13 and 14 projecting from the outer wall surface of the hollow housing part 12 to the left and right as shown by broken lines. Has been.
On the other hand, the lower end edge of the first assembly flap 15 is continuous with the seal lip 13, and the lower end of the second assembly flap 16 is the seal lip 14. In order to maintain the assembly position accuracy with respect to the door panel DP, the insert panel IP bent at about 90 ° is molded as a core material.
[0005]
As shown in FIG. 6 which is a cross-sectional view taken along the line AA in FIG. 5, the first assembly flap 15 is inserted into the through-hole 17 formed through the clip CL. The back surface is assembled to the vehicle inner surface of the door panel DP and is fixed to the inner surface of the window glass WG so as to be slidable.
The second assembling flap portion 16 is also fixed by inserting a clip CL as shown in FIG. 6 into each through-hole 17 provided therethrough, and assembling the back surface thereof to the side surface of the door panel DP. .
[0006]
The configuration related to the through-hole 17 will be described in detail below by taking the first assembly flap portion 15 as an example.
That is, as is apparent from FIG. 5, the insert panel IP is concentrically connected to the through-hole 17 with respect to the center of the through-hole 17 formed through the first assembly flap 15 and the through-hole 17 is passed through. The through-hole 18 provided with a larger diameter than the hole 17 is kept in communication, and the clip CL is inserted into each of the through-holes 17 and 18 as shown in FIG. 6 cut along the line AA in FIG. The back surface is assembled and fixed to the vehicle inner surface of the door panel DP.
[0007]
[Problems to be solved by the invention]
However, the conventional molded part 10 described above, when receiving the external force F ₁ of the vehicle-rear direction during or after assembly assembled to said door panel DP, the main part is a relatively high flexibility such as ethylene - propylene -Since it is die-molded from a diene ternary copolymer sponge material or the like, as shown in FIGS. 7 and 8, the stem portion 19 of the clip CL is formed in the through-hole 18 that is formed through the insert panel IP. the molded portion 10 is displaced to the inner circumferential surface to interfere direction, liable vehicle behind the deviation d ₁ of the molded part 10 is raised against the door panel DP, as a result, the appearance is significantly impaired, the deviation d ₁ of the vehicle after the direction of the displacement d ₁ equivalent of the vehicle after the direction against the door glass WG generated between the rear side edge portion of the door glass WG and corners of the molded portion 10 Also sealability has a disadvantage to decrease.
[0008]
In order to eliminate this drawback, if the diameter of the through hole 18 concentrically provided in the insert panel IP with respect to the through hole 17 is reduced to match that of the through hole 17, the clip Another problem was caused that the insertability of CL into the mold forming part 10 was lowered.
[0009]
An object of the present invention is to provide a weatherstrip mold-forming part that solves the above-mentioned problems of the prior art and has improved mounting properties and mounting position accuracy with respect to a terminal portion of a sashless door of a passenger car. is there.
[0010]
[Means for Solving the Problems]
The object of the present invention is to center the columnar part that is lowered along the corner of the door panel of the sashless door, and to insert the insert panel bent at a desired angle at the upper end thereof into the left and right sides. In the mold forming portion of the weather strip formed by projecting one assembling flap portion and a second assembling flap portion, each through hole is formed through each of the first and second assembling flap portions. And through each insert hole having a larger diameter than the through hole in the insert panel, the center of the through hole of the insert panel with respect to the center of the through hole of the first assembly flap portion The weatherstrip is formed by insert molding so as to be biased in the vehicle rearward direction with a predetermined vehicle rearward displacement amount and communicated and maintained in an eccentric circular shape.
[0011]
Further, the object of the present invention is that the second assembling flap portion has a predetermined vehicle in the vehicle downward direction in advance with respect to the center of each through hole of the insert panel. The weatherstrip is formed by insert molding so as to be biased by a downward deflection amount and communicated and maintained in an eccentric circular shape.
[0012]
The mold forming part of the weather strip of the present invention has a columnar part that is lowered along the corner of the door panel of the sashless door as a center, and an insert panel bent at a desired angle at the upper end thereof as a core material. In a weatherstrip mold forming part formed by projecting a first assembly flap part and a second assembly flap part on the left and right of each other, each of the first and second assembly flap parts is passed through. A through hole is formed, each through hole having a larger diameter than the through hole is formed in the insert panel, and the insert panel has a center with respect to the through hole of the first assembly flap portion. Since the center of the through hole is preliminarily biased in the vehicle rearward direction with a predetermined vehicle rearward displacement amount and is communicated and maintained in an eccentric circular shape with each other, insert molding is performed so that the weather strip mold forming portion with respect to the door panel set Even if an external force in the vehicle rearward direction is applied during mounting or assembly, the degree of interference between the stem portion of the clip inserted into each through hole and the inner peripheral surface of the through hole of the insert panel from the beginning of assembly And the relative positional relationship of the molded portion of the weather strip with respect to the vehicle interior surface of the door panel and the window glass does not occur.
[0013]
Furthermore, in the weatherstrip molding part according to the present invention, the second assembly flap part is configured so that the center of each through hole of the insert panel is in advance in the vehicle downward direction with respect to the center of each through hole. Are inserted with a predetermined vehicle downward displacement amount and are communicated and maintained in an eccentric circular shape with each other, so that the vehicle strip is assembled during or after assembly of the weather strip mold forming portion to the door panel. Even when a downward external force is applied, the degree of interference between the stem portion of the clip inserted into each through hole and the inner peripheral surface of the through hole of the insert panel from the beginning of the assembly is enhanced. There is no deviation in the relative positional relationship of the molded part of the weather strip with respect to the side surface.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
One embodiment of a weatherstrip molding part of the present invention will be described in detail below with reference to the accompanying drawings.
FIG. 1 is a perspective view showing a molded part 20 of the weatherstrip of the present invention, FIG. 2 is a plan view showing a part of the molded part 20, and FIG. 3 is cut along the line AA in FIG. It is sectional drawing.
[0015]
The weatherstrip mold forming part 20 of the present invention attached to the left and right end portions of the upper edge of the sashless door has a relatively complicated shape and is approximately 90 according to the corner of the door panel DP of the sashless door. A seal around the sashless door is constructed by vulcanizing and bonding together with a relatively simple and long extruded portion using an insert panel IP made of a metallic thin plate or a hard synthetic resin plate bent at a angle.
[0016]
As shown in FIG. 1, the weatherstrip mold molding part 20 of the present invention has a columnar part 21 that is lowered along the corner of the door panel DP, and has an angle of about 90 ° with respect to the upper end thereof. The first assembly flap portion 25 and the second assembly flap portion 26 project from the left and right.
[0017]
The cross section of the main part of the columnar part 21 is defined by a hollow housing part 22 and seal lip parts 23 and 24 projecting from the outer wall surface of the hollow housing part 22 to the left and right as shown by broken lines. Has been.
On the other hand, the lower edge of the first assembly flap 25 is continuous with the seal lip 23, and the lower edge of the second assembly flap 26 is the seal lip 24. In order to maintain the assembly position accuracy with respect to the door panel DP, the insert panel IP bent at about 90 ° is molded as a core material.
[0018]
The first assembly flap portion 25 has a clip CL as shown in FIG. 3 inserted into a through-hole 27 formed therethrough, and the back surface thereof is assembled to the vehicle interior surface of the door panel DP. It is slidably fixed to the inner surface of the glass WG.
The second assembling flap portion 26 is also fixed by inserting a clip CL as shown in FIG. 3 into each through-hole 27 provided therethrough, and its rear surface is assembled and fixed to the side surface of the door panel DP.
[0019]
The configuration related to the through hole 27 will be described in detail below by taking the first assembly flap portion 25 as an example.
That is, as is apparent from FIG. 2, the insert panel IP is made transparent with a larger diameter than the through hole 27 with respect to the center of the through hole 27 formed through the first assembly flap 25. the center of the hole 28, is biased in advance vehicle rear direction at a predetermined vehicle-rear direction bias amount d ^R, communicating with the eccentric shape, the insert molding so as to maintain, along the line a-a of FIG. 2 As shown in FIG. 3, the clip CL is inserted into each of the through holes 27 and 28, and the back surface thereof is assembled and fixed to the vehicle inner surface of the door panel DP.
[0020]
The above-described mold forming portion 20 of the present invention is molded from, for example, an ethylene-propylene-diene terpolymer sponge material having a relatively high flexibility during or after the door panel DP is assembled. also the main part is is subjected to an external force F ₁ in the vehicle rear direction, so the stem portion 19 of the clip CL is interfering with the vehicle front inner peripheral surface of the through hole 28 which is Toru設said insert panel IP, Since the through hole 28 of the insert panel IP is biased by the predetermined vehicle rearward direction deviation amount d ^R with respect to the through hole 27 and is kept in an eccentric circular state, even if a deviation d ′ occurs, it is very small. such that enables to stop the value, i.e., relative displacement d ₁ of the vehicle-rear direction of the molded portion 10 of the conventional weather strip, deviations of the molded portion 20 of the weather strip of the present invention _'Is, d 1 »d' is in the relationship, and the deviation d 'is one which does not lead to up substantially impair the sealing property against appearance or the door glass WG.
[0021]
In addition, the fitting state of the recess around the opening portion of the through hole 27 and the head portion of the clip CL, which are provided through the first assembly flap portion 25, is actually shown in FIGS. As described above, the centers of the through holes 27 and the recesses around the openings are concentrically arranged in the first assembly flap portion 25, and the inserts are inserted into the centers of the through holes 27. the center of the hole 28 which Toru設panel IP biases at a predetermined vehicle-rear direction bias amount d ^R in the vehicle rear direction, the centers of the Ryotsuana 27 and 28 communicate with the eccentric circular, is maintained It is desirable to insert-mold like this.
[0022]
Furthermore, the molded part 20 of the weather strip of the present invention may be subjected to an external force F ₂ separately of the vehicle under the direction of the external force F ₁ of the vehicle rear direction, as shown in FIG. 1, the second set The through holes 27 that are formed through the attachment flap portion 26 and the centers of the recesses around the opening portion are concentrically arranged, and the through holes that are formed through the insert panel IP with respect to the center of the through hole 27. The center of 28 is biased in the vehicle downward direction by a predetermined vehicle downward direction deviation amount d ^D, and insert molding is performed so that the centers of the through holes 27 and 28 are communicated and maintained in an eccentric circle. the occurrence of the vehicle under the direction of the deviation d ₂ between the upper edge of the the side surface of the door panel DP second assembly flap portion 26 can be prevented.
[0023]
The weatherstrip mold forming part 20 of the present invention does not limit the bending angle of the first mounting flap part 25 and the second assembly flap part 26 to 90 °. Insert molding can be performed at an arbitrary angle depending on the form of the DP.
The insert panel IP is preferably an aluminum alloy plate, a thin metal plate such as a galvanized steel plate, or a synthetic resin plate such as nylon or polyester.
[0024]
【The invention's effect】
As described above, the weatherstrip mold forming part 20 of the present invention described above has the following novel effects.
In other words, the weatherstrip mold molding part 20 of the present invention is bent at a desired angle at the upper end of the columnar part 21 that is lowered along the corner of the door panel DP of the sashless door. In the weatherstrip mold forming part 20 formed by projecting a first assembly flap part 25 and a second assembly flap part 26 to the left and right with the insert panel IP as a core material, In addition, each through hole 27 is formed through each of the second assembly flap portions 25, 26, and each through hole 28 having a larger diameter than the through hole 27 is formed through the insert panel IP. wherein the predetermined vehicle-rear direction bias amount in advance in the vehicle rear direction of the center of the insert panel IP of the hole 28 d is biased with a ^R, together eccentric with respect to the center of the hole 27 of the assembly flap portion 25 of the Communicated with Since the insert molded as lifting, even if an external force acts F ₁ is aimed vehicle rear at or after the assembly during assembly of the door panel the relative DP weather strip of the molded part 20, the respective through holes 27 28, the stem portion 19 of the clip inserted into the insert panel IP has an increased degree of interference with the vehicle front inner peripheral surface of the through hole 28 of the insert panel IP from the beginning of assembly, and the weather strip mold forming portion with respect to the door panel DP. generation of a corresponding displacement with the displacement d ₁ in the relative positional relationship of the 20, and the deviation d ₁ of the vehicle-rear direction between the corners of the rear side edge portion and the molding portion 20 of the door glass WG It has become possible to suppress the occurrence of corresponding displacement.
Therefore, the sealing performance against the door glass WG can be maintained without deteriorating the appearance around the sashless door. Further, the weatherstrip mold forming part 20 of the present invention copes with the insert molding positions of the through holes 27 and 28 in advance without changing the diameter size of the through holes 28. It became possible to maintain the insertability of the clip CL satisfactorily.
[0025]
Further, the weatherstrip mold forming portion 20 of the present invention is transparently provided in the second assembly flap portion 26 even when receiving the external force F ₂ in the vehicle downward direction separately from the external force F _{1 in the} vehicle rearward direction. The centers of the through holes 27 and the recesses around the openings are concentrically arranged, and the centers of the through holes 28 formed through the insert panel IP with respect to the centers of the through holes 27 are directed downward in the vehicle. Since it is biased by a predetermined vehicle downward displacement amount d ^D and insert molding is performed so that the centers of the two through holes 27 and 28 are communicated and maintained in an eccentric circle shape, the side surface of the door panel DP and the second it has become possible to suppress that the longitudinal direction of the corresponding displacement deviation d ₂ is generated in between each upper edge of the assembly flap portion 26.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a mold forming part of a weather strip according to the present invention.
FIG. 2 is a plan view showing a part of a molded part of the weather strip of the present invention.
FIG. 3 is a cross-sectional view taken along the line AA in FIG. 2;
FIG. 4 is a perspective view showing a conventional weatherstrip molding part.
FIG. 5 is a plan view showing a part of a molded part of a conventional weather strip.
6 is a cross-sectional view taken along line AA in FIG. 5. FIG.
FIG. 7 is a cross-sectional view taken along the line AA of FIG. 5 with the weather strip displaced in the rearward direction of the vehicle after the conventional weather strip molding part is attached to the door panel; It is sectional drawing.
FIG. 8 is another perspective view showing a state in which the weatherstrip is displaced in the vehicle rearward direction after the conventional weatherstrip molding part is attached to the door panel.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Conventional weatherstrip mold forming part 11 Columnar part 12 Hollow housing part 13 Seal lip part 14 Seal lip part 15 First assembly flap part 16 Second assembly flap part 17 Through hole 18 Through hole 19 Stem portion DP Door panel IP Insert panel CL Clip d ₁ vehicle rearward displacement d ₂ vehicle lowerward displacement 20 Weatherstrip mold forming part 21 columnar part 22 hollow housing part 23 seal lip part 24 seal lip part 25 First assembling flap portion 26 Second assembling flap portion 27 Through hole 28 Through hole d 'displacement d ^R Vehicle rearward displacement amount D ^D Vehicle downward displacement amount WG Door glass F _One vehicle rearward external force F ₂ Downward external force

Claims (2)

Centering on the columnar portion (21) that is lowered along the corner of the door panel (DP) of the sashless door, the insert panel (IP) bent at a desired angle at the upper end thereof is used as a core material, and left and right. A weatherstrip mold forming part (20) formed by projecting a first assembling flap part (25) and a second assembling flap part (26),
Each through hole (27) is formed through each of the first and second assembly flap portions (25, 26),
Each insert hole (28) having a larger diameter than the through hole (27) is formed through the insert panel (IP).
The center of the through hole (28) of the insert panel (IP) is preliminarily set in the vehicle rearward direction with respect to the center of the through hole (27) of the first assembly flap portion (25). A weatherstrip mold part (20) characterized by being insert-molded so as to be biased by an amount (d ^R ) and communicated and maintained in an eccentric circle. The second assembly flap portion (26) has the centers of the through holes (28) of the insert panel (IP) in the vehicle lower direction in advance with respect to the centers of the through holes (27). The weatherstrip mold part (20) according to claim 1, wherein the weatherstrip mold part (20) is insert-molded so as to be deviated by a predetermined vehicle downward direction deviation amount (d ^D ) and to communicate with and maintain an eccentric circle. ).

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