阅读说明：本技术 一种汽车天窗后排水结构 (Rear drainage structure of automobile skylight ) 是由 魏从伟 于 2021-08-31 设计创作，主要内容包括：本发明涉及一种汽车天窗后排水结构,包括天窗导轨、与天窗导轨连接的后排水端部、连接在后排水端部上的缓冲构件、与缓冲构件配合的天窗遮阳板,其特征是：所述后排水端部呈撮箕形,其内腔后壁的右部设有排水口、中部设有两道限位筋、左部设有两个固定齿；所述后排水端部的右边设有限位面、左边设有安装部；在所述限位面设有两个固定钩；在所述安装部前端的下面设有限位弹片、前端的正面设有两排卡接齿和一个安装孔；在所述后排水端部的底面靠近排水口的部位设有涂胶槽。本发明安装固定可靠,既能够解决天窗后排水结构松脱而导致的天窗漏水问题,又能够解决天窗遮阳板的撞击而导致的异响问题。(The invention relates to a rear drainage structure of an automobile skylight, which comprises a skylight guide rail, a rear drainage end part connected with the skylight guide rail, a buffer component connected on the rear drainage end part and a skylight sun shield matched with the buffer component, and is characterized in that: the rear drainage end part is in a dustpan shape, the right part of the rear wall of the inner cavity of the rear drainage end part is provided with a drainage outlet, the middle part of the rear wall of the inner cavity of the rear drainage end part is provided with two limiting ribs, and the left part of the rear wall of the inner cavity of the rear drainage end part is provided with two fixed teeth; the right side of the rear drainage end part is provided with a limiting surface, and the left side of the rear drainage end part is provided with an installation part; two fixing hooks are arranged on the limiting surface; the lower surface of the front end of the mounting part is provided with a limiting elastic sheet, and the front surface of the front end is provided with two rows of clamping teeth and a mounting hole; and a glue coating groove is arranged at the part, close to the water outlet, of the bottom surface of the rear water discharge end part. The invention has reliable installation and fixation, can solve the problem of skylight water leakage caused by loosening of a rear drainage structure of the skylight and the problem of abnormal sound caused by impact of the skylight sun shield.)

1. The utility model provides a drainage structures behind sunroof, includes sunroof rail (3), the back drainage tip (1) of being connected with sunroof rail, be connected on the back drainage tip buffer component (2), with buffer component complex sunroof visor board (4), characterized by: the rear drainage end part (1) is in a dustpan shape, the right part of the rear wall of the inner cavity of the rear drainage end part is provided with a drainage outlet (10), the middle part of the rear wall of the inner cavity of the rear drainage end part is provided with two limiting ribs (12), and the left part of the rear wall of the inner cavity of the rear drainage end part is provided with two fixed teeth (11); the right side of the rear drainage end part (1) is provided with a limiting surface (13), and the left side is provided with an installation part (14); two fixing hooks (15) are arranged on the limiting surface (13); a limiting elastic sheet (16) is arranged below the front end of the mounting part (14), and two rows of clamping teeth (17) and a mounting hole (18) are arranged on the front surface of the front end; and a glue coating groove (19) is arranged at the part, close to the water outlet (10), of the bottom surface of the rear water discharging end part (1).

2. The sunroof rear drain structure according to claim 1, wherein: an assembly shaft (21) vertically connected with the buffer component (2) is arranged behind the buffer component, and a limit ring (22) is arranged on the assembly shaft; two sides close to the back of the buffer component (2) are respectively provided with a clamping groove (23), and the front of the buffer component (2) is provided with a buffer tooth (24); the rear assembling shaft (21) of the buffering component (2) is correspondingly matched with the front mounting hole (18) of the front end of the mounting part (14), and two clamping grooves (23) in the rear of the buffering component (2) are correspondingly matched with two rows of clamping teeth (17) in the front end of the mounting part (14) respectively.

3. The sunroof rear drain structure according to claim 1 or 2, wherein: the skylight guide rail (3) is provided with a water flowing groove (36), a fixing surface (31) connected with one side of the water flowing groove and a limiting component (32) connected with the other side of the water flowing groove; a first fixing groove (33) is formed in the inner side wall of the limiting member, which is far away from the other side of the launder, a second fixing groove (34) is formed in the outer wall of the limiting member and the first fixing groove, and a limiting clamp (35) is arranged below the second fixing groove; the fixing surface (31) is matched with two fixing hooks (15) on a limiting surface (13) on the right side of the rear drainage end part (1); the limiting component (32) is correspondingly matched with the two limiting ribs (12) on the rear drainage end part (1); the first fixing groove (33) is matched with one fixing tooth (11) on the rear drainage end part (1), and the second fixing groove (34) is matched with the other fixing tooth (11) on the rear drainage end part (1); the limiting clamp (35) is matched with the limiting elastic sheet (16) on the rear drainage end part (1).

4. The sunroof rear drain structure according to claim 3, wherein: glass cement is coated in the glue coating groove (19) on the rear drainage end part, so that the rear drainage end part (1) and the skylight guide rail (3) are bonded, fixed and sealed, and rainwater entering the skylight is discharged out of the skylight through the water flowing groove (36) and the water discharging opening (10).

5. The sunroof rear drain structure according to claim 1 or 2, wherein: the skylight sun shield (4) is correspondingly matched with the buffer teeth (24) on the buffer component (2) through the sun shield limiting surface (41).

6. The sunroof rear drain structure according to claim 1, wherein: the rear drainage end part (1) is made of PA6 and is integrally formed by injection molding.

Technical Field

The invention relates to an automobile body, in particular to a rear drainage structure of an automobile skylight.

Background

With the upgrading of automobile consumption, skylights are favored by most users and gradually become an essential part of car configuration. However, abnormal sound of the skylight or water leakage of the skylight is the biggest problem for users to complain about during the use of the skylight. In the skylight water leakage problem, skylight water leakage caused by unreasonable skylight drainage fixing structure design often becomes the main reason of water leakage, and how to reasonably design and effectively fix the skylight drainage structure is an important part in skylight structure design. In the skylight abnormal sound problem, the vibration abnormal sound condition is higher due to the fact that the position of the sun shield is not reliable in the opening process.

In order to improve the satisfaction degree of users, the problems of skylight water leakage and skylight abnormal sound are effectively solved, and the problems are urgently needed to be solved by a plurality of automobile manufacturers.

CN 102529658A discloses "mounting structure of drainer and skylight glass spout behind sunroof", drainer and skylight glass spout behind skylight, the drainer is provided with the mounting panel behind the skylight, is provided with the latch on the mounting panel, has seted up the joint hole in the skylight glass spout, and the drainer passes through the latch of latch and joint hole and installs on skylight glass spout behind the skylight. The mounting structure can enable the skylight rear drainer to be mounted on the skylight glass chute simply and conveniently, and saves the Z-direction space in the vehicle.

CN 101774363a discloses "sunroof drain pipe joint with sealing and buffering effects", a fixed sealing structure is formed at the periphery of the joint close to the outlet direction, and the joint is installed and matched with a mounting hole on a vehicle body metal plate. The fixed sealing structure is composed of two circles of round tables which are formed on the periphery of the joint and are opposite but different in radius, and a clamping groove which is located between the two round tables and is matched with a mounting hole in a metal plate of the automobile body, wherein the large round table is close to the outlet direction of the joint and is provided with a sealing binding surface which is far larger than the mounting hole and is contacted with the metal plate of the automobile body. The small round platform is close to the inlet direction of the joint, the small round platform is increased towards the mounting hole in a taper mode, and the diameter of the largest position of the small round platform is slightly larger than the mounting hole. The sealing and fixing structure has good effect on enhancing sealing. In addition, the joint also fully utilizes the elastic deformation of rubber materials, and an external force buffer structure is designed, so that the damage of the vibration and the inertia force of the skylight drain pipe to the joint sealing performance in the running process of the vehicle is effectively relieved.

CN 208558988U discloses "drainage end cover behind skylight", including back drainage end cover body, back drainage end cover body including the drainage component that has drainage channel and with the spacing portion of drainage component rigid coupling, drainage component is arranged in inlaying the water drainage tank of guide rail, and drainage channel is used for communicating with each other with the water drainage tank, the water drainage tank is located the upper surface of guide rail, be equipped with the extension piece in the spacing portion, the extension piece is used for contacting with the lower surface of guide rail, and the one end of extending the piece is equipped with spacing arch, spacing arch is arranged in inlaying the breach of guide rail. It utilizes the contact cooperation of drainage portion and water drainage tank and the contact cooperation of extension piece and the lower surface of guide rail, effectively restricts skylight rear drainage end cover and removes along upper and lower direction for the guide rail, simultaneously, utilizes spacing protruding cooperation with the breach, restricts skylight rear drainage end cover and removes along fore-and-aft direction and left and right directions for the guide rail to realize skylight rear drainage end cover and guide rail's fixed connection.

The technical solutions disclosed in the above three patent documents are all beneficial attempts in the technical field.

Disclosure of Invention

The invention aims to provide a rear drainage structure of an automobile skylight, which is reliably installed and fixed, can solve the problem of skylight water leakage caused by loosening of the rear drainage structure of the skylight and the problem of abnormal sound caused by impact of a skylight sun shield.

The invention relates to an automobile skylight rear drainage structure, which comprises a skylight guide rail, a rear drainage end part connected with the skylight guide rail, a buffer component connected on the rear drainage end part, and a skylight sun shield matched with the buffer component, and is characterized in that: the rear drainage end part is in a dustpan shape, the right part of the rear wall of the inner cavity of the rear drainage end part is provided with a drainage outlet, the middle part of the rear wall of the inner cavity of the rear drainage end part is provided with two limiting ribs, and the left part of the rear wall of the inner cavity of the rear drainage end part is provided with two fixed teeth; the right side of the rear drainage end part is provided with a limiting surface, and the left side of the rear drainage end part is provided with an installation part; two fixing hooks are arranged on the limiting surface; the lower surface of the front end of the mounting part is provided with a limiting elastic sheet, and the front surface of the front end is provided with two rows of clamping teeth and a mounting hole; and a glue coating groove is arranged at the part, close to the water outlet, of the bottom surface of the rear water discharge end part.

Furthermore, an assembly shaft vertically connected with the buffer component is arranged behind the buffer component, and a limit ring is arranged on the assembly shaft; two sides close to the back of the buffer component are respectively provided with a clamping groove, and the front of the buffer component is provided with buffer teeth; the assembly shaft behind the buffering component is correspondingly matched with the mounting hole in the front face of the front end of the mounting part, and the two clamping grooves behind the buffering component are correspondingly matched with the two rows of clamping teeth in the front face of the front end of the mounting part respectively.

Furthermore, the skylight guide rail is provided with a water flowing groove, a fixing surface connected with one side of the water flowing groove and a limiting component connected with the other side of the water flowing groove; a first fixing groove is formed in the inner side wall of the limiting member, which is far away from the other side of the launder, a second fixing groove is formed in the outer wall of the limiting member and the first fixing groove, and a limiting clamp is arranged below the second fixing groove; the fixing surface is matched with the two fixing hooks on the limiting surface on the right side of the rear drainage end part; the limiting component is correspondingly matched with two limiting ribs on the end part of the rear drainage pipe; the first fixing groove is matched with one fixing tooth on the end part of the rear drainage pipe, and the second fixing groove is matched with the other fixing tooth on the end part of the rear drainage pipe; the limiting clamp is matched with the limiting elastic sheet on the end part of the rear drainage pipe.

Further, glass cement is coated in a glue coating groove on the end part of the rear drainage, so that the end part of the rear drainage is fixedly bonded with the skylight guide rail to realize sealing, and rainwater entering the skylight is discharged out of the skylight through the drainage groove and the drainage outlet.

Furthermore, the skylight sun shield is correspondingly matched with the buffering teeth on the buffering component through the sun shield limiting surface.

Furthermore, the material of the rear drainage end part is PA6, and the rear drainage end part is integrally formed by injection molding.

The invention has the beneficial effects that:

can effectively install fixedly the back drainage component in skylight, can avoid taking place because of the skylight problem of leaking that the back drainage component pine in skylight takes off and lead to, also can fix the buffer block on the back drainage tip in skylight, when the sun visor of skylight was opened completely, can solve the striking abnormal sound problem of sun visor in skylight through the effectual spacing and buffering of realization of buffer block.

FIG. 1 is a schematic structural view of a rear drain end of the present invention;

FIG. 2 is a schematic structural diagram of a buffer block according to the present invention;

FIG. 3 is a schematic view of the configuration of the sunroof rail of the present invention;

FIG. 4 is a schematic view of the rear drain end of the present invention in cooperation with a bumper block and a sunroof rail;

fig. 5 is a schematic structural diagram of the present invention.

In the figure: 1-rear drainage end part, 10-drainage port, 11-fixed teeth (two), 12-limiting rib, 13-limiting surface, 14-installation part, 15-fixed hook (two), 16-limiting elastic sheet, 17-clamping teeth (two), 18-installation hole and 19-glue coating groove;

2-buffer component, 21-assembly shaft, 22-limit ring, 23-clamping groove (two), 24-buffer tooth;

3-a skylight guide rail, 31-a fixing surface, 32-a limiting component, 33-a first fixing groove, 34-a second fixing groove, 35-a limiting clamp and 36-a flume;

4-skylight sunshading board, 41-sunshading board spacing face.

Detailed Description

The technical solutions in the embodiments of the present invention are further described in detail below with reference to the accompanying drawings of the embodiments of the present invention.

Referring to fig. 1 to 5, the rear drainage structure of the sunroof of the automobile comprises a sunroof rail 3, a rear drainage end 1 connected with the sunroof rail, a buffer member 2 connected with the rear drainage end, and a sunroof visor 4 engaged with the buffer member, and is characterized in that: the rear drainage end part 1 is in a dustpan shape, the right part of the rear wall of the inner cavity of the rear drainage end part is provided with a drainage outlet 10, the middle part of the rear wall of the inner cavity of the rear drainage end part is provided with two limiting ribs 12, and the left part of the rear wall of the inner cavity of the rear drainage end part is provided with two fixed teeth 11; the right side of the rear drainage end part 1 is provided with a limiting surface 13, and the left side is provided with an installation part 14; two fixing hooks 15 are arranged on the limiting surface 13; a limiting elastic sheet 16 is arranged below the front end of the mounting part 14, and two rows of clamping teeth 17 and a mounting hole 18 are arranged on the front surface of the front end; a glue coating groove 19 is arranged at the position close to the water outlet 10 on the bottom surface of the rear water discharging end part 1.

The back of the buffer component 2 is provided with an assembly shaft 21 which is vertically connected with the buffer component, and the assembly shaft is provided with a limit ring 22; two sides close to the back of the buffer component 2 are respectively provided with a clamping groove 23, and the front of the buffer component 2 is provided with a buffer tooth 24; the assembly shaft 21 at the back of the buffer component 2 is correspondingly matched with the mounting hole 18 at the front of the front end of the mounting part 14, and the two clamping grooves 23 at the back of the buffer component 2 are respectively correspondingly matched with the two rows of clamping teeth 17 at the front of the front end of the mounting part 14. To prevent the cushioning member from shaking.

The sunroof rail 3 has a gutter channel 36, a fixing surface 31 connected to one side of the gutter channel, and a stopper member 32 connected to the other side of the gutter channel; a first fixing groove 33 is formed in the inner side wall of the limiting member on the other side far away from the launder, a second fixing groove 34 is formed in the outer wall of the limiting member and the first fixing groove, and a limiting clamp 35 is arranged below the second fixing groove;

the fixing surface 31 is matched with the two fixing hooks 15 on the limiting surface 13 on the right side of the rear drainage end part 1, so that the rear drainage end part is reliably fixed on the skylight guide rail;

the limiting component 32 is correspondingly matched with the two limiting ribs 12 on the rear drainage end part 1, and pre-positioning is carried out on the front and rear positions of the rear drainage part on the skylight guide rail;

the first fixing groove 33 is engaged with one fixing tooth 11 on the rear drain end portion 1, and the second fixing groove 34 is engaged with the other fixing tooth 1) on the rear drain end portion 1) to restrict up-down and left-right movement of the rear drain end portion;

the limit clip 35 cooperates with the limit spring 16 on the rear drainage end 1 to further secure the rear drainage end to the sunroof rail.

And glass cement is coated in the glue coating groove 19 on the rear drainage end part, so that the rear drainage end part 1 and the skylight guide rail 3 are bonded, fixed and sealed, and rainwater entering the skylight is discharged out of the skylight through the water flowing groove 36 and the water discharging opening 10.

The skylight sun visor 4 is correspondingly matched with the buffer teeth 24 on the buffer component 2 through the sun visor limiting surface 41 so as to prevent the skylight sun visor from exceeding the stroke and generating abnormal noise due to impact vibration.

The material of the rear drain end portion 1 is PA6, and is integrally injection-molded.

The rear drainage end part and the skylight guide rail are matched through the structure, and the rear drainage end part is reliably fixed on the skylight guide rail. Glass cement is coated in the glue coating groove at the end part of the rear drainage, the end part of the rear drainage and the skylight guide rail are further bonded, fixed and sealed, and rainwater entering the skylight is discharged out of the skylight through the water flowing groove and the water outlet.

It is obvious that the above-described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without any inventive work belong to the protection scope of the present invention.