CN209870066U - Return pipe fixing structure for vehicle skylight and vehicle skylight - Google Patents

Abstract

The utility model provides a return pipe fixed knot constructs and vehicle skylight for vehicle skylight. The return pipe fixing structure comprises a clamping groove formed on the guide rail or the skylight frame and a buckle connected with the clamping groove, the buckle comprises a first connecting part in clamping fit with the clamping groove and a second connecting part extending from the first connecting part, and the second connecting part is provided with at least one mounting part for inserting and fixing the return pipe; the buckle is set up to the L shape cross-section that has first stabilizer blade and second stabilizer blade, and first connecting portion include the joint portion that stretches out in order to insert the draw-in groove perpendicularly from the surface of first stabilizer blade to and extend from joint portion and be on a parallel with the pressfitting portion on the surface of first stabilizer blade, and when the buckle was connected to the draw-in groove, the joint face lock of joint portion fits the inner wall of draw-in groove, and pressfitting portion supports guide rail or skylight frame pressure in the surface of first stabilizer blade. The utility model discloses a return pipe fixed knot constructs the assembly structure design through buckle and draw-in groove and obtains local interference chucking and multidirectional spacing, has effectively solved little spatial arrangement problem.

Description

Return pipe fixing structure for vehicle skylight and vehicle skylight

Technical Field

The utility model discloses it is general to relate to vehicle skylight part field. And more particularly, to a pipe return fixing structure for a sunroof of a vehicle and a sunroof of a vehicle having the same.

Background

Vehicle sunroofs typically include components such as a front frame, a rear frame, guide rails, a sunroof glass, a roller blind, and a weather strip. In a conventional design, a skylight glass motor and a sun blind rolling motor are respectively arranged on a front frame and a rear frame, and the movement of the skylight glass and the sun blind rolling is realized by a motor driving chain. With the increasing development of skylight technology, there have been solutions in which the skylight glass motor and the roller shade motor are both disposed on the front frame (double motor front) or the rear frame (double motor rear), which makes the arrangement of the chain return pipes on the frames for accommodating the chain problematic. As shown in fig. 1, when it is necessary to clip the clip 20 into the notch 11 on the guide rail (or the frame) 10 so as to enable the return pipe 30 to be fixedly mounted on the clip 20, since the clip structure of the clip 20 needs to satisfy the function of clipping at the notch 11, the height dimension of the clip 20 is generally greatly influenced by the structure of the mold. Thus, when the gap cannot meet the design requirement of NVH (noise, vibration and harshness) after the reinforcing ring (high gap requirement) of the body-in-white is assembled, the buckle cannot be used. Therefore, the conventional buckle for fixing the return pipe is only suitable for the frame structure with unlimited arrangement space, and it is urgently needed to design a return pipe fixing structure suitable for most of the current vehicle skylights.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the problem that exists among the above-mentioned prior art with regard to, provide a modified return pipe fixed knot to solve the little space restriction problem between host computer factory automobile body beaded finish and skylight guide rail, be convenient for simultaneously design the adjustment according to the customer requirement, in order to satisfy the application environment in various vehicle skylight.

To this end, according to an aspect of the present invention, there is provided a return pipe fixing structure for a sunroof of a vehicle, the return pipe fixing structure including a slot formed on a guide rail or a sunroof frame and a buckle connected to the slot, the buckle including a first connecting portion snap-fitted to the slot, and a second connecting portion extending from the first connecting portion, the second connecting portion being provided with at least one mounting portion into which a return pipe is inserted and fixed; the clamping device comprises a clamping groove, a clamping surface and a pressing part, wherein the clamping groove is provided with a clamping groove, the clamping groove is provided with a clamping surface, the clamping groove is provided with a clamping groove, the clamping groove is provided with a first supporting leg and a second supporting leg, the clamping groove is provided with a clamping surface, the clamping groove is provided with a clamping part, the clamping part is vertically protruded from the surface of the first supporting leg to be inserted into the clamping groove, the pressing part extends from the clamping part and is parallel to the surface of the first supporting leg, when the clamping groove is connected with the clamping groove, the clamping surface of the clamping part is locked and tightly fitted on the inner wall of the.

In accordance with the above-described concepts, the present invention may further include any one or more of the following alternatives.

In some alternative forms, at least one locking structure is arranged on the inner wall of the clamping groove along the insertion direction of the buckle, so that the locking structure is matched with the clamping surface of the first connecting part in a locking mode to limit the movement of the first connecting part.

In some alternatives, the locking structure is any one or more of a protrusion, a depression, a barb, and an indentation.

In some alternative forms, the clamping surface of the clamping portion is provided with at least one protrusion or ledge to cooperate with a locking structure on the inner wall of the clamping groove.

In some alternative forms, the first connecting portion includes a first clamping portion and a second clamping portion spaced apart from each other, and a first pressing portion and a second pressing portion extend from surfaces of the first clamping portion and the second clamping portion respectively away from each other and parallel to the first supporting leg.

In some alternatives, the sides of the first and second press-fit portions facing the first leg are provided with at least one protrusion or ledge to press the rail or skylight frame against the surface of the first leg.

In certain alternatives, the second connecting portion includes at least one mounting ridge extending perpendicularly from a surface of the second leg, a free end of the mounting ridge being provided with at least one detent to define the mounting portion in conjunction with the surface of the second leg.

In some alternatives, the slot is configured as an L-shaped slot having a first notch and a second notch, the first notch guiding the first connection portion of the buckle into the slot, and the second notch having at least one locking structure on an inner wall thereof to limit movement of the first connection portion.

In some alternatives, at least one pair of the locking structures are symmetrically disposed on opposite inner walls of the second slot.

In some alternatives, the locking structure is disposed at least at an entrance location of the second slot.

According to the utility model discloses a vehicle skylight, including skylight frame and guide rail, wherein skylight frame and/or guide rail facial make-up are equipped with the chain return pipe, vehicle skylight still includes foretell a return pipe fixed knot that is used for vehicle skylight and constructs.

The utility model discloses an assembly structure design that is used for vehicle skylight's return pipe fixed knot to construct through buckle and draw-in groove obtains local interference chucking and multidirectional spacing for the joint of buckle highly can show and reduce, realizes the convenient installation of return pipe on skylight frame or guide rail, has effectively solved little space arrangement problem. In addition, buckle accessible injection moulding process one shot forming, draw-in groove accessible punching press has reduced the part complexity to can require to carry out the design adjustment according to different operating modes. Therefore, the utility model discloses a return pipe fixed knot constructs has advantages such as simple structure, convenient assembling, use reliable, cost-effectiveness, uses extensively.

Drawings

Other features and advantages of the present invention will be better understood from the following detailed description of alternative embodiments, taken in conjunction with the accompanying drawings, in which like reference characters designate the same or similar parts, and in which:

FIG. 1 is an assembly view of a clip for fixing a return pipe and a guide rail clip groove in a conventional sunroof for a vehicle;

fig. 2 is a schematic view of a buckle in a return pipe fixing structure according to an embodiment of the present invention;

FIG. 3 is a schematic plan view of the buckle shown in FIG. 2;

FIG. 4 is a schematic view of a guide rail or frame in a vehicle sunroof, showing a schematic view of a slot in a return tube securing structure according to one embodiment of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 4;

FIG. 6 is a schematic view of the card slot shown from another angle;

FIG. 7 is a schematic view of the clip of FIG. 2 engaged with the slot of FIG. 4 and fitted with a return tube;

fig. 8 is a partial schematic view of a clip in a return pipe fixing structure according to another embodiment of the present invention.

Detailed Description

The practice and use of the embodiments are discussed in detail below. It should be understood, however, that the specific embodiments discussed are merely illustrative of specific ways to make and use the invention, and do not limit the scope of the invention. The description herein of the structural positions of the respective components, such as the directions of upper, lower, top, bottom, etc., is not absolute, but relative. When the respective components are arranged as shown in the drawings, these direction expressions are appropriate, but when the positions of the respective components in the drawings are changed, these direction expressions are changed accordingly.

Herein, "X direction" means in the longitudinal direction of the vehicle; "Y-direction" means in the lateral direction of the vehicle; "Z-direction" refers to a direction perpendicular to both the X-direction and the Y-direction, and is a vertical direction when the X-direction and the Y-direction are parallel to a horizontal plane.

Referring to fig. 2 to 6, in order to make the buckle for the chain return pipe capable of satisfying the layout problem of the small space, so as to be suitable for various vehicle skylights, the utility model provides a return pipe fixing structure includes the draw-in groove formed on the guide rail or skylight frame 10 and the buckle connected with the draw-in groove. Fig. 2 and 3 illustrate one embodiment of the clip 40, and fig. 4-6 illustrate one embodiment of the catch 50 on the rail or skylight frame 10.

First, describing the structural design of the clip 40, it should be understood that the clip 40 includes a first connecting portion snap-fitted into the slot 50, and a second connecting portion extending from the first connecting portion, wherein the second connecting portion is provided with at least one mounting portion for insertion and fixation of the return pipe. In the embodiment shown in fig. 2 and 3, the clip 40 is provided with a substantially L-shaped cross section having a first leg 41 and a second leg 42, and accordingly, the first connecting portion includes a snap-in portion projecting perpendicularly from a surface of the first leg 41 to be inserted into the card slot, and a press-fit portion extending from the snap-in portion and parallel to the surface of the first leg 41. When buckle 40 is connected to in the draw-in groove 50, the joint face of joint portion can lock the inner wall of cooperation draw-in groove 50, and nip portion can press the surface of propping guide rail or skylight frame simultaneously to the multidirectional spacing to the buckle has been realized.

In some embodiments, the snap-in portion along with the press-fit portion may be configured to have a T-shaped or L-shaped cross-section, or other suitable cross-sectional shape. No matter what kind of form, joint portion should be roughly equal to or slightly less than the width dimension of draw-in groove with draw-in groove complex assembly dimension or width to guarantee the interference fit of joint portion and draw-in groove, the at least X direction of restriction buckle and/or the ascending degree of freedom in Y direction. Likewise, the distance between the press-fit portion and the surface of the first leg should be substantially equal to or slightly smaller than the thickness dimension of the guide rail or the skylight frame, whereby the freedom in the Z-direction of the snap is limited by pressing the guide rail or the skylight frame against the press-fit portion and the surface of the first leg.

In the embodiment shown in fig. 2, the first connecting portion may include a first clamping portion 44 and a second clamping portion 45 spaced apart from each other, and a first pressing portion 46 and a second pressing portion 47 extend from the first clamping portion 44 and the second clamping portion 45 respectively away from each other and parallel to the surface of the first leg 41. Thus, in this embodiment, the first clip portion 44 together with the first press-fit portion 46 is provided to have a substantially L-shaped cross section, the second clip portion 45 together with the second press-fit portion 47 is provided to have a substantially L-shaped cross section, and the two L-shaped cross sections are opposed to and spaced from each other. Leave the mode of interval between the joint portion and can produce the elastic deformation of certain degree when joint portion and draw-in groove joint, this helps realizing interference fit between the two to the draw-in groove can be more reliably with the buckle chucking in wherein.

Due to the design of the press fit, a bayonet 48, 49 is formed between the surface of the first leg 41 and the press fit, into which the guide rail or the skylight frame is inserted, the height of the bayonet (or the distance between the surface of the first leg 41 and the press fit) being, as mentioned above, approximately equal to or slightly less than the thickness dimension of the guide rail or the skylight frame. Thus, in some embodiments, the sides of the first press fit portion 46 and the second press fit portion 47 facing the first leg (the bottom side facing downward as viewed in FIG. 2) are provided with at least one protrusion or ridge. The projection or lug may be located at the inlet of the bayonet 48, 49 as shown in figures 2 and 3, or may be located substantially midway of the bayonet as shown in figure 8. In this way, as shown in fig. 3, the distance d2 between the protrusions or ribs 461, 471 and the surface of the first leg is less than the height d1 of the bayonets 48, 49, which acts to interferingly clamp the guide rail or skylight frame between the bayonets, effectively limiting the Z-direction freedom of the bayonet.

The second connecting portion of the catch 40 extends substantially perpendicularly from one end of the first connecting portion and is provided with at least one mounting portion 43, such as the two mounting portions 43 exemplarily shown in the figures, for inserting and fixing a chain return. In some embodiments, at least one mounting rib, such as the first mounting rib 431 and the second mounting rib 433 shown in fig. 3, extends perpendicularly from the surface of the second leg 42, and at least one catch, such as the first catch 432 and the second catch 434, is provided at the free end of the mounting rib, thereby defining a mounting opening 435 with the surface of the second leg 42 to secure the return tube. Similarly, a claw may be formed on the bottom surface of the first leg to cooperate with a corresponding claw on the first mounting rib 431 for fixing another return pipe. In this way, the buckle 40 can realize the orderly arrangement and fixation of a plurality of return pipes, and is particularly suitable for the application environment of double-motor arrangement.

The structural design of the card slot is described below with reference to fig. 4 to 6. According to the utility model discloses, be equipped with at least one locking structure along the direction of insertion of buckle on the inner wall of draw-in groove 50 to the removal of first connecting portion is restricted through the joint face locking cooperation with the first connecting portion of buckle. Specifically, in the illustrated embodiment, the card slot 50 may be provided as an L-shaped slot having a first notch 51 and a second notch 52, wherein the first notch 51 guides the first connection portion of the catch 40 into the card slot and the at least one locking structure is provided on an inner wall of the second notch 52. Alternatively, the locking structure may be any one or more of a protrusion, a depression, a barb, and an indentation.

Advantageously, at least one pair of locking structures are symmetrically disposed on opposite inner walls of the second notch 52. More advantageously, the locking structure is provided at least in the entry position of the second notch 52. In the embodiment shown in the figures, the second slot 52 may be provided with a plurality of pairs of locking structures, for example, a pair of first locking structures 521 at the entrance position, and a pair of second locking structures 523 and a third locking structure 525 on the distal inner wall of the second slot 52, which are arranged in sequence, in the insertion direction of the catch. The first locking structure 521 is preferably a barb, and has a protruding arc-shaped guiding surface and a right-angle stopping surface, so that when the buckle is inserted into the second notch 52 via the first notch 51, the arc-shaped guiding surface presses the clamping surface of the buckle to make it elastically deform, and after the buckle is restored to be freely deformed, the buckle can be stopped by the right-angle stopping surface to be limited to be removed. Furthermore, it is advantageous to provide the second locking structure 523 as an arc-shaped protrusion, which can contact and press with the clamping surface of the clamping portion after the clamping portion of the buckle enters and is restricted from escaping from the second notch 52, so as to avoid the buckle from shaking by local interference clamping, i.e. to restrict the movement of the buckle at least in the X-direction and/or the Y-direction. Further, between the first locking structure 521 and the second locking structure 523, and between the second locking structure 523 and the inner wall of the end of the second notch, there may be straight grooves 522, 524 as shown in fig. 5 and 6, to play a role of guiding and accommodating the snapping portion of the snap. In addition, the third locking structure 525 may also be a protrusion for abutting against the engaging portion to effectively limit the movement of the engaging portion in the X direction and/or the Y direction. Like this, through the locking structural design in the draw-in groove, the utility model provides a problem of the little space restriction between host computer factory automobile body beaded finish and sunroof rail or frame to be convenient for make appropriate design adjustment according to the customer requirement.

Fig. 7 shows the snap 40 of fig. 2 snapped into the snap groove 50 of the rail or frame 10 of fig. 4, wherein the chain return 30, which is typically made of plastic, snaps into the mounting portion of the snap 40, thereby achieving a secure retention of the return.

In another embodiment shown in fig. 8, the engaging portion of the clip may further include at least one protrusion or rib, such as ribs 441, 451 shown in the figure, on the engaging surface to assist in engaging with a locking structure (e.g., a first locking structure 521 in the form of a barb) on the inner wall of the slot, thereby further assisting in locking engagement of the clip with the slot and preventing accidental disengagement of the clip.

It can be known through the above summary, compare in current structural design, the utility model discloses a return pipe fixed knot constructs has following characteristics at least:

1. due to the design of the locking structure in the clamping groove, the clamping height of the buckle can be greatly reduced, the return pipe can be conveniently installed on the skylight guide rail or the front and rear frames, and the problem of small-space arrangement is effectively solved.

2. Locking structure on the draw-in groove can require the design according to different operating modes to provide sufficient frictional force, simultaneously, realize the locking after the buckle assembly through the right angle barb, safe and reliable has reduced part complexity and manufacturing cost.

3. Under the condition of especially panoramic sunroof's the frame installation motor, receive the skylight molding restraint, the return pipe is arranged the space and is very compact, on the leading or rearmounted frame of double motor, the restraint space of chain return pipe is very little very much, the utility model discloses a fixed knot constructs this kind of application environment of adaptation, has good practical value.

4. The buckle can be integrally formed by injection molding of a thermoplastic elastomer material, the clamping groove can be formed by injection molding or punch forming, and the preparation process is simple and mature and can be widely implemented.

It should be understood herein that the embodiments shown in fig. 2-8 merely illustrate alternative shapes, sizes and arrangements of the return pipe fixing structure according to the present invention, which are illustrative and not limiting, and that other shapes, sizes and arrangements may be adopted without departing from the spirit and scope of the present invention.

The technical content and technical features of the present invention have been disclosed above, but it should be understood that various changes and modifications can be made to the concept disclosed above by those skilled in the art under the inventive concept of the present invention, and all fall within the scope of the present invention. The above description of embodiments is intended to be illustrative, and not restrictive, and the scope of the invention is defined by the appended claims.

Claims (11)

1. A return pipe fixing structure for a vehicle skylight is characterized by comprising a clamping groove formed in a guide rail or a skylight frame and a buckle connected with the clamping groove, wherein the buckle comprises a first connecting part matched with the clamping groove in a clamping manner and a second connecting part extending out of the first connecting part, and the second connecting part is provided with at least one mounting part for inserting and fixing a return pipe;

the clamping device comprises a clamping groove, a clamping surface and a pressing part, wherein the clamping groove is provided with a clamping groove, the clamping groove is provided with a clamping surface, the clamping groove is provided with a clamping groove, the clamping groove is provided with a first supporting leg and a second supporting leg, the clamping groove is provided with a clamping surface, the clamping groove is provided with a clamping part, the clamping part is vertically protruded from the surface of the first supporting leg to be inserted into the clamping groove, the pressing part extends from the clamping part and is parallel to the surface of the first supporting leg, when the clamping groove is connected with the clamping groove, the clamping surface of the clamping part is locked and tightly fitted on the inner wall of the.

2. The return pipe fixing structure for a sunroof of a vehicle according to claim 1, wherein at least one locking structure is provided on an inner wall of the locking groove along an insertion direction of the clip, so as to be locked and engaged with a clip surface of the first connection portion to restrict movement of the first connection portion.

3. A return pipe fixing structure for a vehicle sunroof according to claim 2, wherein the locking structure is any one or more of a protrusion, a depression, a barb, and a notch.

4. The return pipe fixing structure for a sunroof for a vehicle according to claim 2, wherein the clamping surface of the clamping portion is provided with at least one protrusion or a ridge to engage with a locking structure on an inner wall of the clamping groove.

5. The return pipe fixing structure for a vehicle sunroof according to any one of claims 1 to 4, wherein the first connecting portion includes a first clamping portion and a second clamping portion spaced apart from each other, and a first press fit portion and a second press fit portion extend from surfaces of the first clamping portion and the second clamping portion respectively away from each other parallel to the first leg.

6. A return pipe fixing structure for a sunroof for a vehicle according to claim 5, wherein sides of the first and second pressing portions facing the first leg are provided with at least one protrusion or ridge to press the guide rail or sunroof frame against a surface of the first leg.

7. A return pipe fixing structure for a vehicle sun roof according to any one of claims 1 to 4, wherein the second connecting portion includes at least one mounting ridge extending perpendicularly from a surface of the second leg, a free end of the mounting ridge being provided with at least one catch to define the mounting portion together with the surface of the second leg.

8. The loop back fixing structure for a sunroof for a vehicle according to claim 2, wherein the catch groove is provided as an L-shaped groove having a first notch and a second notch, the first notch guides the first connection portion of the buckle into the catch groove, and at least one locking structure is provided on an inner wall of the second notch to restrict movement of the first connection portion.

9. A return pipe fixing structure for a vehicle sunroof according to claim 8, wherein at least one pair of the locking structures are symmetrically provided on opposite inner walls of the second notch.

10. A return pipe fixing structure for a sunroof for a vehicle according to claim 9, wherein the locking structure is provided at least at an entrance position of the second notch.

11. A vehicle sunroof comprising a sunroof frame and a guide rail, wherein a chain return is provided on the sunroof frame and/or the guide rail, the vehicle sunroof further comprising a return fixing structure for the vehicle sunroof according to any one of the preceding claims.