JP4018654B2 - Drainage structure for vehicles with sunroof - Google Patents

Description

  The present invention relates to a drainage structure for a vehicle with a sunroof that drains rainwater that has entered through a drain pipe when rainwater enters from a plurality of openings formed in the roof of the vehicle.

  The sunroof includes an opening formed in a vehicle roof and an opening / closing lid. Also, since rainwater may enter from the opening / closing lid, it has a drainage groove formed along the periphery of the opening and a plurality of drain hoses connected to the drainage groove, and it is practically used as a countermeasure against intrusion rainwater It is shared with.

As a drainage structure employed in a conventional sunroof, a configuration is known in which drainage at the front opening and drainage at the rear opening are connected by a Y-shaped pipe and rainwater is discharged outside the vehicle between the front and rear openings ( For example, see Patent Document 1.)
JP-A-10-129268 (6th page, FIG. 1, FIG. 4)

Patent document 1 is demonstrated based on the following figure.
FIGS. 6A and 6B are diagrams for explaining the basic principle of the conventional technique. A conventional sunroof apparatus having a plurality of panels includes a front unit 101 and a rear unit 102. The front unit 101 includes a front opening 103 and a front guide rail 104 (having a gutter portion 105), and the rear unit 102 has a rear opening 106 and a rear guide rail 107 (having a gutter portion 108). The front / rear guide rails 104 and 107 are connected by a connecting member 109.

  In the sunroof device, the drainage drain part 111 of the connecting member 109 is communicated with the front gutter part 105, the drainage drain part 113 of the cap 112 is communicated with the rear gutter part 108, and the drainage drain part. Since drain pipes (Y-shaped pipes) 114 are connected to 111 and 113 and a drain hose (not shown) is connected to the drain pipe 114, rainwater can be discharged outside the vehicle.

  However, in the conventional sunroof device, it takes time to connect the drain hose to the drain pipe 114. An example of the work procedure for piping will be briefly described. First, for example, a first drain hose (not shown) is connected to the drain pipe 114, and the first drain hose is fixed to the center pillar of the vehicle body with a metal fitting. Next, a second drain hose (not shown) is connected to the drainage drain portion 115 formed at the left corner of the front portion of the front unit 101, and the second drain hose is fixed to the front pillar with a metal fitting. To do. Further, the third drain hose is fixed to the rear pillar of the vehicle body with a stopper. Do the same for the left and symmetrical right. Thus, in the conventional sunroof device, it was necessary to pass a total of six drain hoses through each pillar.

  An object of the present invention is to provide a drainage structure for a vehicle with a sunroof that saves the trouble of disposing a main drain pipe in a center pillar.

  The invention according to claim 1 is a vehicle with a sunroof in which a plurality of openings are formed in a roof of a vehicle body, and these openings can be opened and closed at any time with an opening / closing lid, respectively. Connect the main drain pipe that prevents the water from entering the car, drain the accumulated water to the outside of the car, connect the adjacent drain grooves with a connecting pipe, and extend the sub-drain pipe from the middle of the connecting pipe. The sub-drain pipe is connected to one of the main drain pipes.

  In the invention which concerns on Claim 2, a several opening part consists of the front opening part arrange | positioned above the driver's seat side, and the rear opening part arrange | positioned behind the front opening part, and a sub-drain pipe | tube is a front opening part. It is characterized by communicating with a main drain pipe connected to the section.

  The invention according to claim 3 is characterized in that the sub-drain pipe is provided with a fixing portion that fixes the connected main drain pipe to the opening side into which the sub-drain pipe is fitted.

  The invention according to claim 4 is characterized in that the sub-drain pipe is provided with a first soundproof member covered from the fixed portion to one end and a second soundproof member covered from the fixed portion to the other end.

  The invention according to claim 5 is characterized in that the connecting pipe is provided with a communicating branch pipe part at an intermediate part, and the communicating branch pipe part is directed to the opening side for fixing the fixing part.

  The invention according to claim 6 is characterized in that the sub-drain pipe is arranged such that the other end on the main drain pipe side is lower than the one end on the connection pipe side.

  In the invention according to claim 1, each of the openings is surrounded by a drainage groove so that rainwater does not enter the interior of the vehicle, and each drainage groove is connected to the main drain pipe that drains the accumulated water to the outside of the vehicle. Are connected by a connecting pipe, and the sub-drain pipe is extended from the middle of the connecting pipe, and this sub-drain pipe is connected to one of the main drain pipes. Even if the function of flowing is added, it is not necessary to attach the main drain pipe to the center pillar with a plurality of clamps. Therefore, there is an advantage that the trouble of arranging the main drain pipe can be saved.

  In the invention which concerns on Claim 2, a several opening part consists of the front opening part arrange | positioned above the driver's seat side, and the rear opening part arrange | positioned behind the front opening part, and a sub-drain pipe | tube is a front opening part. Since there is no lighting equipment such as a high-mounted stop lamp compared to the rear part of the roof of the vehicle body, there is a case where an electric tailgate driving device or an air conditioning duct for the rear seat is arranged. There is no advantage that the sub-drain pipe can be arranged along the drainage groove of the front opening, and the degree of freedom of layout of the sub-drain pipe can be increased.

In the invention according to claim 3, since the sub-drain pipe includes a fixing portion that fixes the connected main drain pipe to the opening side into which the sub-drain pipe is fitted, the sub-drain pipe can be attached as it is, and the sub-drain pipe is attached. Has the advantage of being easy.
Moreover, since the sub-drain pipe is provided with a fixing portion that fixes the connected main drain pipe to the side of the opening into which the sub-drain pipe is fitted, the sub-drain pipe can be supported on the opening side having a high strength, and the opening side There is an advantage that the distance from the sub-drain pipe can be reduced and the vibration of the sub-drain tube can be suppressed.

  In the invention according to claim 4, the sub-drain pipe includes the first soundproof member covered from the fixed portion to the one end and the second soundproof member covered from the fixed portion to the other end. There is an advantage that vibration sound generated from the sub-drain pipe can be absorbed by the soundproof member.

  In the invention according to claim 5, the connecting pipe includes a communicating branch pipe portion at the intermediate portion, and the communicating branch pipe portion is directed to the opening side for fixing the fixing portion, so that the sub pipe connected to the communicating branch pipe portion is provided. The drain pipe does not interfere with the drainage groove by the communicating branch pipe part, and the distance to the drainage groove is reduced, and the strength of the drain pipe can be increased by reducing the overhang of the member (bracket) to which the fixing part is attached. There is an advantage that the vibration of the tube is less likely to occur.

  In addition, since the connecting pipe includes a communicating branch pipe portion at the intermediate portion, and the communicating branch pipe portion faces the opening side that fixes the fixing portion, the sub-drain pipe connected to the communicating branch pipe portion is connected to the communicating branch pipe. By the pipe part, there is an advantage that the distance to the drainage groove can be reduced without interfering with the drainage groove, and the space of the sub-drain pipe can be saved.

  In the invention which concerns on Claim 6, since the other end by the side of the main drain pipe was arrange | positioned low rather than the one end by the side of a connection pipe, the retention of rain water can be prevented and drainage can be improved. There is an advantage.

The best mode for carrying out the present invention will be described below with reference to the accompanying drawings. The drawings are viewed in the direction of the reference numerals.
FIG. 1 is a perspective view of a drainage structure of a vehicle with a sunroof according to the present invention.
The vehicle 11 is a vehicle with a sunroof that includes a vehicle body 12 and a sunroof device 13 that is a sunroof attached to the vehicle body 12. Reference numeral 14 denotes a vehicle interior, and 15 denotes a driver's seat.
The vehicle body 12 includes front pillars 16 and 16, center pillars 17 and 17 (not shown), rear pillars 18 and 18 (not shown), and a roof 19.

The front pillar 16 has a lining attached to the inner side of the outer peripheral surface of a steel front pillar formed by processing a steel plate into a tubular shape.
Similar to the front pillar 16, the center pillar 17 and the rear pillar 18 include a lining.

  The sunroof device 13 includes a plurality of sunroof mechanisms 21 and 22 provided on the roof 19, the sunroof mechanism 21 is a front sunroof mechanism, and the sunroof mechanism 22 is a rear sunroof mechanism disposed behind the front sunroof mechanism 21.

  The front sunroof mechanism 21 includes a front opening 24 disposed above the driver's seat 15, a front drainage groove 25 (see FIG. 2) formed so as to be connected to the front opening 24 and surround the front opening 24. An opening / closing lid 26 for sealing the front opening 24, a weather strip 27 fitted around the opening / closing lid 26, a driving mechanism (not shown) (including left and right guide rails 28 (see FIG. 2)), and the front Brackets 29 (see FIG. 2) and 29 (not shown) provided in the drainage groove 25 or the left and right guide rails 28 (see FIG. 2), 28 (not shown), and a drive mechanism The opening / closing lid 26 is opened and closed as necessary.

  The rear sunroof mechanism 22 is the same as the front sunroof mechanism 21, and includes a rear opening 31 disposed behind the front opening 24 (in the direction of the arrow a <b> 1) and the rear opening 31 to surround the rear opening 31. A rear drain groove 32 (see FIG. 2) formed as described above, an opening / closing lid 33 for sealing the rear opening 31, a weather strip 34 fitted around the opening / closing lid 33, and a drive mechanism not shown in the figure. The opening / closing lid 33 is opened and closed as necessary by a drive mechanism.

In addition, the sunroof device 13 has a drainage structure 36.
The drainage structure 36 includes first main drain pipes 37 and 37 connected to the front corner of the front sunroof mechanism 21, second main drain pipes 38 and 38 connected to the rear corner of the rear sunroof mechanism 22, and the front sunroof mechanism 21. The connecting pipes 41 and 41 used for connecting the front corner of the rear sunroof mechanism 22 to the rear corner, and the sub-drain pipe 42 used for connecting the first main drain pipes 37 and 37 to the connecting pipes 41 and 41, respectively. , 42, the first main drain pipes 37, 37 are passed through the front pillars 16, 16, and the second main drain pipes 38, 38 are passed through the rear pillars 18, 18.

  “Pass the first main drain pipe 37 through the front pillar 16” means that the first main drain pipe 37 is attached to the inner side of the outer peripheral surface of the steel front pillar with the front clip 69 (see FIG. 2). By attaching a lining to the front pillar, it means that the first main drain pipe 37 is put between the outer peripheral surface of the front pillar and the lining.

  Here, the pipe on the left side from the center C of the vehicle body 12 is referred to as “the left side of the drainage structure 36”, and the pipe on the right side from the center C of the vehicle body 12 is referred to as “the right side of the drainage structure 36”.

  FIG. 2 is a detailed view of the drainage structure of the vehicle with a sunroof according to the present invention, and shows the left side of the drainage structure 36. The left side of the drainage structure 36 and the right side of the drainage structure 36 are the same structure, and the description of the right side of the drainage structure 36 is omitted.

  Specifically, the drainage structure 36 has a drain port 44 formed at the front corner of the front drainage groove 25 of the front sunroof mechanism 21, a drain port 45 formed at the rear corner, and the rear drainage groove 32 of the rear sunroof mechanism 22. A drain port 46 is formed in the front corner, a drain port (not shown) is formed in the rear corner (similar to the drain port 46), and the second main drain pipe 38 (see FIG. 1), the first main drain pipe 37 is fitted into the drain port 44 of the front sunroof mechanism 21, the one of the connecting pipes 41 is fitted into the drain port 45, and the other end of the connecting pipe 41 is fitted into the drain port 46 of the rear sunroof mechanism 22. , The connecting pipe 41 and the first main drain pipe 37 are connected by the sub drain pipe 42. When rainwater leaks from the weather strips 27 (see FIG. 1) and 34 (see FIG. 1), the leak occurred. Drain rainwater out of the car. Lp indicates the distance from the front drainage groove 25 to the sub-drain pipe 42.

The sub-drain tube 42 includes a tube 47, a fixing portion 48 set at the center of the tube 47, a first soundproof member 52 covered from the fixing portion 48 to one end 51 on the connecting tube 41 side, and the other end 53 from the fixing portion 48. The second soundproof member 54 covered to the other end 53, the T-shaped joint 55 employed for connecting the first main drain pipe 37 to the other end 53, and the clip 56 for fixing the fixing portion 48 to the bracket 29 (...) -Indicates a plurality, the same shall apply hereinafter).
In addition, after fixing the fixing | fixed part 48 to the bracket 29, you may cover the fixing | fixed part 48 with a soundproof member.

  The fixing part 48 is a part that fixes the connected first main drain pipe 37 to the front opening 24 side. That is, when the pipe 47 is connected to any main drain pipe, the fixing part 48 is a part that is fixed to the nearest opening side, and here, the nearest opening side is the front opening part 24 side.

The connecting pipe 41 connects adjacent drain grooves, here, the front and rear drain grooves 25 and 32, and has a Y-shaped pipe joint 57, a first hose 61, and a second hose 62.
The Y-shaped pipe joint 57 forms a main pipe part 63, forms a communicating branch pipe part 65 at an intermediate part 64 of the main pipe part 63, and opens the connecting branch pipe part 65 to a front opening for fixing the fixing part 48. A lug 66 is formed on the intermediate portion 64 toward the portion 24 side.
The intermediate portion 64 is also an intermediate portion of the connecting pipe 41.

  The first main drain pipe 37 is integrally connected to a short pipe 67 fitted into a drain port 44 formed at the front corner of the front drainage groove 25 of the front sunroof mechanism 21 and the short pipe 67 via a T-shaped joint 55. A long pipe 68. 69... Are front clips for fixing the long pipe 68 to the front pillar 16 (see FIG. 1).

FIG. 3 is a side view of a drainage structure for a vehicle with a sunroof according to the present invention.
As described above, the drainage structure 36 includes the first main drain pipe 37, the T-shaped joint 55 fitted to the upper part of the first main drain pipe 37, the sub-drain pipe 42 fitted to the T-shaped joint 55, A Y-type pipe joint 57 fitted to the sub-drain pipe 42, a first hose 61 fitted to the Y-type pipe joint 57, a drain port 45 of the front sunroof mechanism 21 fitted to the first hose 61, and a Y-type pipe joint 57 And a drain port 46 of the sunroof mechanism 22 after being fitted to the second hose 62.

  Further, the drainage structure 36 sets the height of the drain port 45 of the front sunroof mechanism 21 located upstream from the ground G to Ht, and makes the height of the drain port 46 of the rear sunroof mechanism 22 slightly higher than the height Ht. Low H1 (H1 <Ht) is set, the height of the intermediate portion 64 of the Y-shaped pipe joint 57 is set to H2 (H2 <H1) lower than the height H1, and the height of the one end 51 of the sub-drain pipe 42 is set. H3 (H3 <H2) slightly lower than the height H2 was set, and the height of the T-shaped joint 55 located downstream was set to Hb (Hb <H3) lower than the height H3.

In the sub-drain pipe 42, the height of the other end 53 on the first main drain pipe 37 side is set to be substantially the same as the height Hb from the height H3 of the one end 51 on the Y-shaped pipe joint 57 side. Was placed low by a distance h.
Next, the point of the piping of the drainage structure 36 will be described.

FIG. 4 is an explanatory diagram of the piping procedure of the drainage structure of the present invention. Here, the piping on the “left side of the drainage structure 36” will be described.
First, the first main drain pipe 37, the sub drain pipe 42, and the connecting pipe 41 are connected to complete the long assembled drainage pipe 75. Next, the assembly drain pipe 75 is conveyed to a predetermined assembly line. Finally, the assembly drainage pipe 75 is attached to the front opening 24 by a predetermined assembly line as shown by arrows a2 and a3, and the assembly drainage pipe 75 is attached to the rear opening 31 as shown by arrow a4. Piping is complete. As a result, it is not necessary to attach the main drain pipe (substantially the same as the first and second main drain pipes 37 and 38) to the center pillar 17 (see FIG. 1) with a plurality of clamps. Therefore, the trouble of arranging the main drain pipe can be saved.
More specific description will be given below.

FIG. 5 is an exploded view of the drainage structure of the vehicle with a sunroof of the present invention.
The bracket 29 forms a main body 71 in an L shape, opens square holes 72... In the main body 71, and supports the center of the sub-drain pipe 42.
The clip 56 has a square fitting portion 73 that fits into the square hole 72 of the bracket 29.
The material of the first and second soundproof members 52 and 54 is arbitrary.

Next, the piping will be described more specifically.
First, a desired range of the pipe 47 is covered by fitting the first soundproof member 52 and the second soundproof member 54 to the pipe 47 of the sub-drain pipe 42 as indicated by arrows a5 and a6. A long pipe 68 is connected to the other end 53 of the pipe 47 via a T-shaped joint 55, and a short pipe 67 is fitted to the T-shaped joint 55. At that time, the fastening ring 81 fitted in the long pipe 68 in advance, the fastening ring 81 on the short pipe 67 side, and the band 83 are fastened. Subsequently, the first hose 61 and the second hose 62 are connected by the Y-shaped pipe joint 57 to obtain the connecting pipe 41. At that time, the fastening rings 84 and 84 are fastened. Subsequently, one end 51 of the pipe 47 is fitted into the communicating branch pipe portion 65 of the Y-shaped pipe joint 57 and tightened with a band 83. Further, the clips 56 are attached to the fixing portion 48 of the tube 47 in advance. Thus, the assembled drain pipe 75 is completed.

  Finally, a short pipe 67 is fitted to the drain port 44 of the front drain groove 25 on the vehicle body 12 side in the factory assembly line, the first hose 61 is fitted to the drain port 45, and the second hose is drained to the drain port 46 of the rear drain groove 32. 62 are fitted, tightened with a fastening ring 81 and fastening rings 84 and 84, and a lug 66 is fixed to the roof 19 (see FIG. 1) with a roof clip 85, whereby the connecting pipe 41 is attached to the roof, and the square of the bracket 29 The square fitting portions 73 of the clips 56 are fitted into the holes 72, the fixing portion 48 is fixed to the bracket 29 with the clips 56, and the first one is attached to the front pillar 16 (see FIG. 1). The main drain pipe 37 is fixed with front clips 69.

  Thus, in the drainage structure 36 for a vehicle with a sunroof shown in FIG. 2, the front opening 24 and the rear opening 31 are respectively surrounded by the front drainage groove 25 and the rear drainage groove 32 so that rainwater does not enter the interior 14 of the vehicle. The first main drain pipe 37 and the second main drain pipe 38 for discharging accumulated water to the outside of the vehicle are connected to the front and rear drain grooves 25 and 32, respectively, and the adjacent front and rear drain grooves 25 and 32 are connected to each other by a connecting pipe 41. The sub-drain pipe 42 is extended from the intermediate portion 64 of the connecting pipe 41, and the sub-drain pipe 42 is connected to the first main drain pipe 37, so that the main drain pipe (see FIG. 1) is connected to the main drain pipe (see FIG. 1). It is possible to save the trouble of arranging a plurality of clips (similar to the first and second main drain pipes 37 and 38).

  Since the clip 56 shown in FIG. 5 has a square fitting portion 73 that fits into the square hole 72 of the bracket 29, the clip 56 does not rotate (in the direction of the arrow a6) by the square fitting portion 73, and the sub drain tube. Around 42 (in the direction of arrow a6) can be prevented.

  The drainage structure for a vehicle with a sunroof according to the present invention is applied to a four-wheeled vehicle in the embodiment, but can also be applied to a roof other than a four-wheeled vehicle (including one called “roof”). For example, it may be applied to the roof of a train, the amusement park (including vehicles), and the roof of a ship.

  The drainage structure for a vehicle with a sunroof of the present invention is suitable for a four-wheeled vehicle.

The perspective view of the drainage structure of the vehicle with a sunroof of the present invention Detailed view of drainage structure of vehicle with sunroof of the present invention Side view of drainage structure of vehicle with sunroof of the present invention Plumbing explanation diagram of drainage structure of the present invention Exploded view of drainage structure of vehicle with sunroof of the present invention Diagram explaining the basic principle of conventional technology

Explanation of symbols

  DESCRIPTION OF SYMBOLS 11 ... Vehicle (vehicle with sunroof), 12 ... Vehicle body, 14 ... In-vehicle, 15 ... Driver's seat, 19 ... Roof, 24 ... Front opening, 25 ... Front drainage groove, 26, 33 ... Open / close lid, 31 ... Rear opening , 32 ... rear drainage groove, 37 ... first main drain pipe, 38 ... second main drain pipe, 41 ... connecting pipe, 42 ... sub-drain pipe, 48 ... fixing portion, 51 ... one end of the sub-drain pipe, 52 ... first DESCRIPTION OF SYMBOLS 1 Soundproof member, 53 ... The other end of a sub drain pipe, 54 ... 2nd soundproof member, 64 ... Intermediate | middle part, 65 ... Communication branch pipe part.

Claims (6)

In a vehicle with a sunroof that opens a plurality of openings in the roof of the vehicle body, and each of these openings can be opened and closed at any time with an opening and closing lid,
Surrounding the openings with drain grooves to prevent rainwater from entering the interior of the vehicle, connecting the main drain pipes for collecting accumulated water to the outside of the cars and connecting adjacent drain grooves with connecting pipes. A drainage structure for a vehicle with a sunroof, characterized in that a sub-drain pipe is extended from an intermediate portion of the connecting pipe, and the sub-drain pipe is connected to one of the main drain pipes. The plurality of openings are composed of a front opening disposed above the driver's seat side, and a rear opening disposed behind the front opening,
The drain structure for a vehicle with a sunroof according to claim 1, wherein the sub-drain pipe communicates with the main drain pipe connected to a front opening.   3. The drainage structure for a vehicle with a sunroof according to claim 1, wherein the sub-drain pipe is provided with a fixing portion that fixes the connected main drain pipe to an opening side into which the sub-drain pipe is fitted.   4. The vehicle with a sunroof according to claim 3, wherein the sub-drain pipe includes a first soundproof member that covers from the fixed portion to one end, and a second soundproof member that covers from the fixed portion to the other end. Drainage structure.   The said connection pipe is provided with the communicating branch pipe part in the said intermediate part, and this communicating branch pipe part was orient | assigned to the opening part side which fixes the said fixing | fixed part. The drainage structure of a vehicle with a sunroof according to claim 3 or claim 4.   The drainage structure for a vehicle with a sunroof according to any one of claims 1 to 5, wherein the sub-drain pipe is arranged such that the other end on the main drain pipe side is lower than the one end on the connection pipe side.

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