CN116409249A

CN116409249A - Connecting assembly and vehicle body assembly

Info

Publication number: CN116409249A
Application number: CN202111672310.4A
Authority: CN
Inventors: 赖培泉; 梁永欣; 陈勇波; 杨杰
Original assignee: Guangdong Dongjian Automobile Technology Co Ltd
Current assignee: Guangdong Dongjian Automobile Technology Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2023-07-11

Abstract

The connecting assembly comprises a first connecting piece, a second connecting piece and a third connecting piece, wherein a first connecting part of the first connecting piece is arranged in a vehicle body groove, and a first fixing part is fixed in the vehicle body groove; the first connecting part is clamped to the second connecting part of the second connecting piece, and the third connecting part of the second connecting piece is arranged on one side of the roof beam, which is away from the vehicle body groove; the fourth connecting part of the third connecting piece is connected with the third connecting part so as to be fixed on the vehicle cross beam in cooperation with the second fixing part of the third connecting piece and/or fixed on the roof beam in cooperation with the third fixing part of the third connecting piece. The utility model provides a coupling assembling can utilize the cooperation structure of first connecting piece, second connecting piece and third connecting piece to be fixed in on crossbeam and/or the roof beam of car with the third connecting piece, and then make parts such as outside support can be fixed in on the roof by the third connecting piece.

Description

Connecting assembly and vehicle body assembly

Technical Field

The application relates to the technical field of automobile part assembly, in particular to a connecting component and a fixing component.

Background

The roof of a car is often provided with a bracket for loading luggage or decorating a car body, in the prior art, a luggage rack of the roof is usually arranged in a groove between the roof and side walls of two car bodies, and the groove is usually called a rain groove and is mainly used for guiding rainwater in rainy days, and is also often used for additionally arranging roof accessories such as the luggage rack and the like, so that the effect of nondestructive installation can be realized.

However, with the popularization of the current panoramic sunroof in the automotive field, the roof rain gutter space is continuously shrinking, so that the roof rain gutter of many automobiles at present is insufficient to provide a space for a luggage rack to be fixed on the roof rain gutter, and therefore, a product enabling the roof accessories to be mounted on the roof without damage is urgently needed in the market. The application provides a coupling assembling and automobile body subassembly that can be used for being fixed in roof rain gutter with roof annex such as luggage rack to solve above-mentioned technical problem.

Disclosure of Invention

The first aspect of the embodiment of the application provides a connecting assembly, which comprises a first connecting piece, a second connecting piece and a third connecting piece, wherein the two ends of the first connecting piece are respectively provided with a first fixing part and a first connecting part, the two ends of the second connecting piece are respectively provided with a second connecting part and a third connecting part, the two ends of the third connecting piece are respectively provided with a second fixing part and a third fixing part, and a fourth connecting part is formed between the second fixing part and the third fixing part; the first connecting part is arranged in the vehicle body groove, and the first fixing part is fixed in the vehicle body groove; the first connecting part is clamped and connected with the second connecting part, and the third connecting part is arranged on one side of the roof beam, which is away from the vehicle body groove; the fourth connecting part is connected with the third connecting part so as to be fixed on the vehicle cross beam in cooperation with the second fixing part and/or fixed on the roof beam in cooperation with the third fixing part; the vehicle body groove is formed by sinking the end part of the vehicle cross beam, and the vehicle top beam cover is arranged in the vehicle body groove.

The connecting assembly provided by the embodiment of the application can utilize the first connecting piece fixed on the vehicle cross beam, fix the second connecting piece between the roof beam and the vehicle cross beam, and then the third connecting piece can be matched with the second connecting piece to be fixed on the roof beam and/or the vehicle cross beam so as to provide an installation space for an external roof accessory.

A second aspect of an embodiment of the present application provides a vehicle body assembly comprising: the vehicle cross beam, the roof beam and the connecting assembly are fixedly connected with the vehicle cross beam and/or the roof beam.

According to the vehicle body component, the vehicle cross beam, the top beam and the connecting component are matched, so that the external vehicle roof accessory can be mounted on the connecting component, and further, the vehicle roof accessory can be mounted on the vehicle roof in a nondestructive mode.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a structure of a vehicle body equipped with a vehicle body assembly in an embodiment of the present application;

FIG. 2 is a schematic side elevational view of a vehicle body assembly according to one embodiment of the present application;

FIG. 3 is a schematic perspective view of the body assembly of the embodiment of FIG. 2;

FIG. 4 is a schematic cross-sectional view of the body assembly of the embodiment of FIG. 3 taken along line A-A;

FIG. 5 is a schematic view of the first connector in the embodiment of FIG. 2;

FIG. 6 is a schematic view of the first connector of the embodiment of FIG. 5 at another angle;

FIG. 7 is a schematic view of the second connector in the embodiment of FIG. 2;

FIG. 8 is a schematic structural diagram of the first connecting member and the second connecting member in the embodiment of FIG. 2 when they are initially clamped;

FIG. 9 is a schematic diagram of the embodiment of FIG. 8 in which the first connector is further engaged with the second connector;

FIG. 10 is a schematic view of the embodiment of FIG. 9 when the first connector is further engaged with the second connector;

fig. 11 is a schematic structural view of the third connector in the embodiment of fig. 2.

Description of the drawings:

in the figure: 10. the vehicle body component, 20, the connection component, 100, the first connector, 101, the first fixing portion, 110, the first sub-fixing portion, 120, the second sub-fixing portion, 130, the drain portion, 102, the first connector, 140, the first clamping portion 1401, the first limiting portion, 150, the second clamping portion, 1501, the second limiting portion, 160, the reinforcing portion, 200, the second connector, 201, the second connector, 210, the third clamping portion, 220, the fourth clamping portion, 230, the fifth clamping portion, 202, the third connector, 300, the third connector, 301, the second fixing portion, 302, the third fixing portion, 303, the fourth connector, 310, the through hole, 400, the locking member, 501, the vehicle body groove, 510, the first surface, 502, the roof rail, 520, the second surface, 503, the cross rail, 530, the third surface, α, the first preset angle, β, the second preset angle.

Detailed Description

The invention is described in further detail below with reference to the drawings and examples. It is specifically noted that the following examples are only for illustrating the present invention, but do not limit the scope of the present invention. Likewise, the following examples are only some, but not all, of the examples of the present invention, and all other examples, which a person of ordinary skill in the art would obtain without making any inventive effort, are within the scope of the present invention.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

It should be noted that the terms "comprising" and "having," and any variations thereof, in the embodiments of the present application are intended to cover non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may alternatively include other steps or elements not listed or inherent to such process, method, article, or apparatus.

In the existing connecting mode of the luggage rack and the roof, adhesion is a main mode, and the applicant researches and discovers that the 3M glue is used for adhering the bottom of the luggage rack to the roof, so that the luggage rack installed in the mode has limited carrying capacity on heavy objects, is only suitable for installing the luggage rack serving as decoration, cannot be used for installing the luggage rack capable of carrying luggage, and otherwise has potential safety hazards. The applicant further found in the study that, open holes are formed at the roof rain gutter position, nuts are embedded in the roof rain gutter position, and then the luggage rack is locked and fixed with the nuts reserved in the rain gutter through bolts, so that the luggage rack can be firmly mounted on the roof without damaging the surface of the roof, in addition, the luggage rack can be firmly mounted on the roof through the nuts or bolts in a mode that the metal brackets with the bolts or the nuts are butt welded at the roof rain gutter position. However, the applicant further researches and discovers that the two modes of installing the luggage rack on the roof have certain requirements on the space of the roof rain gutter, and with the popularization of the panoramic glass sunroof in the automobile field, the space of the roof rain gutter is continuously reduced or even cancelled, so that the use of the luggage rack installation method on part of automobiles is limited to a certain extent. Accordingly, the present application provides a vehicle body assembly 10 to further solve the above-described technical problems.

Referring to fig. 1, fig. 1 is a schematic view of a vehicle body with a vehicle body assembly 10 according to an embodiment of the present application. The vehicle body assembly 10 in the present embodiment includes, but is not limited to, a roof rail 502, a cross rail 503, and a connection assembly 20; wherein, the end of the cross beam 503 is sunk to form a body channel 501, and the connecting assembly 20 can be fixed to the body channel 501 and fixedly connected with the roof rail 502 and the cross beam 503. Specifically, the roof rail 502 may be disposed at the top of the automobile, the cross rails 503 may be disposed at two sides of the automobile, the end of the cross rails 503 facing the middle of the automobile body may be sunken to form the automobile body groove 501, and the roof rail 502 may be disposed in the automobile body groove 501 in a covering manner; the connection assembly 20 may be fixed to the body tub 501 and fixedly coupled to the tops of the roof rail 502 and the cross rail 503, respectively, such that accessories such as external brackets may be mounted to the connection assembly 20. For example, the cross beam 503 may be a body side of an automobile, the roof rail 502 may be a body top of an automobile, the body channel 501 may be a rain channel between the body side of an automobile and the body top, the connection assembly 20 may be disposed in the rain channel and fixed on the body side and/or the body top of an automobile, and the luggage rack may be fixed on the body top by the connection assembly 20, so as to realize nondestructive installation of the luggage rack on the roof. In other embodiments of the present application, the roof rail 502 and the cross rail 503 may be beams disposed at the side of the vehicle body and the top of the vehicle body, respectively, and the connecting assembly 20 may be fixed to the roof by the roof rail 502 and/or the cross rail 503, which is not particularly limited herein.

According to the vehicle body component 10 provided by the embodiment of the application, the connecting component 20 can be arranged in the vehicle body groove 501 and fixed on the top of the vehicle top beam 502 and/or the vehicle cross beam 503 by utilizing the matching structure of the connecting component 20 with the vehicle body groove 501, the vehicle top beam 502 and the vehicle cross beam 503, so that external accessories can be fixed on the vehicle top beam 502 and/or the vehicle cross beam 503 by means of the connecting component 20, and the nondestructive installation of the external accessories on the vehicle top is realized.

Further, referring to fig. 2, fig. 2 is a schematic side view of the vehicle body assembly 10 according to an embodiment of the present application. Alternatively, in the present embodiment, the connection assembly 20 includes, but is not limited to, a first connection member 100, a second connection member 200, and a third connection member 300; wherein the first coupling member 100 may be provided in the body groove 501 and fixed on a surface formed in the body groove 501; one end of the second coupling member 200 near the body groove 501 may be engaged with the first coupling member 100 in the body groove 501 so that the second coupling member 200 is detachably fixed in the body groove 501; the third connector 300 may be disposed to cover the roof rail 502 and/or the cross rail 503 and be connected to an end of the second connector 200 facing away from the body channel 501 such that the third connector 300 may be secured to the roof rail 502 and/or the cross rail 503 with the second connector 200 engaged.

Specifically, the body tank 501 may be formed with a first surface 510, the roof rail 502 may be formed with a second surface 520, the cross rail 503 may be formed with a third surface 530, wherein an end of the cross rail 503 may be depressed to form the body tank 501, the first surface 510 may be an upper surface of a bottom of the body tank 501, the second surface 520 may be an upper surface of the roof rail 502, and the third surface 530 may be an upper surface of the cross rail 503 that is not depressed to form the body tank 501; the roof rail 502 may cover the body groove 501, and a gap exists between the roof rail and the body groove 501. The first connector 100 may be fixed to the first surface 510 and clamped with the second connector 200 in the vehicle body groove 501, and then the second connector 200 may be fixed to the roof rail 502 and/or the cross rail 503 in cooperation with the third connector 300.

Further, referring to fig. 3 and 4 in combination, fig. 3 is a schematic perspective view of the vehicle body assembly 10 in the embodiment of fig. 2, and fig. 4 is a schematic cross-sectional view of the vehicle body assembly 10 along A-A in the embodiment of fig. 3. Alternatively, in the present embodiment, the first fixing portion 101 and the first connecting portion 102 are respectively provided at two ends of the first connecting member 100, the second connecting portion 201 and the third connecting portion 202 are respectively provided at two ends of the second connecting member 200, the second fixing portion 301 and the third fixing portion 302 are respectively provided at two ends of the third connecting member 300, and the fourth connecting portion 303 is formed between the second fixing portion 301 and the third fixing portion 302.

Wherein the first fixing portion 101 of the first coupling member 100 may be fixed to the first surface 510, and the first coupling portion 102 may be disposed in the body groove 501; the second connecting part 201 of the second connecting piece 200 is clamped with the first connecting part 102 in the vehicle body groove 501, so that the second connecting piece 200 is detachably fixed in the vehicle body groove 501, and the third connecting part 202 is arranged on one side of the roof rail 502, which is away from the vehicle body groove 501; the second fixing portion 301 of the third connecting member 300 abuts against the third surface 530, the third fixing portion 302 abuts against the second surface 520, the fourth connecting portion 303 is connected to the third connecting portion 202, and further the fourth connecting portion 303 cooperates with the third connecting portion 202 to fix the second fixing portion 301 to the cross member 503 and/or fix the third fixing portion 302 to the roof rail 502.

Further, the connection assembly 20 may further include a locking member 400, and the locking member 400 may cooperate with the third connection portion 202 and the fourth connection portion 303 to fix the second fixing portion 301 to the third surface 530 and/or fix the third fixing portion 302 to the second surface 520. The fourth connecting portion 303 may be formed with a through hole through which the third connecting portion 202 may pass, and further the third connecting portion 202 may be screwed to the locking member 400 provided on the top of the fourth connecting portion 303, and further the locking member 400 may be abutted against the fourth connecting portion 303 in cooperation with the third connecting portion 202, so as to fix the second fixing portion 301 formed on the end of the fourth connecting portion 303 to the second surface 520, and/or fix the third fixing portion 302 formed on the end of the fourth connecting portion 303 to the third surface 530.

Specifically, in this embodiment, the third connecting member 300 may be a bracket, the second fixing portion 301 and the third fixing portion 302 are respectively two side walls of the bracket, the fourth connecting portion 303 may be a top wall formed between the two side walls and respectively connected to the two side walls, the top wall may be formed with a through hole capable of accommodating the third connecting portion 202, the third connecting portion 202 may be a screw, the locking member 400 may be a bolt corresponding to the third connecting portion 202, and when the third connecting portion 202 penetrates the fourth connecting portion 303, the locking member 400 may be screwed with the third connecting portion 202 and abut against the fourth connecting portion 303, and as the locking member 400 is gradually screwed into the third connecting portion 202, the locking member 400 may apply a force to the third connecting portion 202, which is away from the vehicle body groove 501, so that the second connecting portion 201 is further fixed to the first connecting portion 102, and at the same time, the locking member 400 may correspondingly apply a force to the fourth connecting portion 303, which is directed towards the groove, so that the second fixing portion 301 correspondingly receives a force to the third connecting portion 202 and/or the third cross member 300, and thus the third cross member 300 can be fixed to the third cross member 302 and the third cross member 503.

It should be noted that the lock member 400 is used in the present embodiment to connect between the second connector 200 and the third connector 300 to apply opposite forces to the second connector 200 and the third connector 300, respectively, to strengthen the connection structure of the vehicle body assembly 10. It should be understood that, in other embodiments of the present application, the locking member 400 may be other elements that can cooperate with the second connecting member 200 and the third connecting member 300 to achieve corresponding functions, for example, the locking member 400 may be an element that can be clamped with the second connecting member 200 and can limit the second connecting member 200 to move toward the vehicle body groove 501 by using the clamping structure, and further, when the second connecting member 200 is clamped with the locking member 400 under the action of an external force, the vehicle body may also form a stable connecting structure under the cooperation of the second connecting member 200, the third connecting member 300 and the locking member 400.

In addition, the first fixing portion 101 is fixed on the first surface 510, the first fixing portion 101 and the first connecting portion 102 may form a first preset angle α so that the first connecting portion 102 is disposed in the vehicle body groove 501, and the second connecting portion 201 and the third connecting portion 203 may form a second preset angle β so that the first connecting portion 102 may be clamped to the second connecting portion 201 in the vehicle body groove 501, and further, the second connecting member 200 may be inserted into the vehicle body groove 501 from a gap between the roof rail 502 and the vehicle body groove 501 and clamped to the first connecting member 100 fixed on the first surface 510, and further, the third connecting member 300 may be fixed to the roof rail 502 and/or the cross rail 503 by means of the second connecting member 200, so that a roof accessory such as an external luggage rack may be fixed to the roof rail by means of the third connecting member 300 without damage.

It should be noted that, in the embodiment of the present application, the fixed connection between the elements may be one or several of riveting, welding, bonding, bolting, pin-key connection, snap-coupling, or may be an integral molding, and it may be determined by those skilled in the art according to specific situations what kind of connection is adopted.

Further, referring to fig. 5 to 6 in combination, fig. 5 is a schematic structural view of the first connector 100 in the embodiment of fig. 2, and fig. 6 is a schematic structural view of the first connector 100 in another angle in the embodiment of fig. 5. Alternatively, in the present embodiment, both ends of the first connection member 100 are provided with the first fixing portion 101 and the first connection portion 102, respectively.

Wherein, the two ends of the first fixing portion 101 are respectively sunk to form a first sub-fixing portion 110 and a second sub-fixing portion 120, and the first sub-fixing portion 110 and the second sub-fixing portion 120 are respectively fixed on the first surface 510, so as to strengthen the overall strength of the first connecting member 100, and prevent the vehicle body assembly 10 from being damaged due to insufficient strength of the first connecting member 100.

Further, a drain level 130 is formed between the first sub-fixing part 110 and the second sub-fixing part 120 so that moisture flowing to the first fixing part 101 can flow out through the drain level 130. Wherein the water discharge level 130 may be a hole formed between the first sub-fixing part 110 and the second sub-fixing part 120 for preventing moisture flowing into the body tank 501 from being blocked by the first fixing part 101.

Further, the first surface 510 may be provided with a drain portion such as a water guide groove inclined to the outside for draining the moisture on the first surface 510 to the outside, and the second surface 520, the third surface 530 may be provided with a drain portion for draining the moisture to the outside or the vehicle body groove 501. It will be appreciated that the drain 130 may allow moisture flowing to the first fixture 101 to flow out without being impeded at the first fixture 101.

In addition, one or more reinforcing portions 160 may be disposed between the first fixing portion 101 and the first connecting portion 102, and the reinforcing portions 160 may be reinforcing rib portions protruding from the surface of the first connecting member 100, for increasing the strength of the first clamping portion 140 and the second clamping portion 150. In the present embodiment, three protruding bead positions are provided between the first fixing portion 101 and the first connecting portion 102 to prevent the vehicle body assembly 10 from being damaged due to insufficient strength of the first and

second clamping portions

140 and 150.

Alternatively, the first clamping portion 140 and the second clamping portion 150 are formed on the same sides of the two ends of the first connecting portion 102 and respectively protrude away from the first fixing portion 101, so as to clamp the second connecting member 200 to the two ends of the first connecting portion 102. In addition, the first and

second clamping portions

140 and 150 are respectively formed with a first limiting portion 1401 and a second limiting portion 1501 at one ends of the first and

second clamping portions

140 and 150, which are away from the first fixing portion 101, and the first and second limiting

portions

1401 and 1501 can further stabilize the clamping structures of the first and

second clamping portions

140 and 150 and the second connecting member 200.

Referring to fig. 7, fig. 7 is a schematic structural diagram of the second connector 200 in the embodiment of fig. 2. The two ends of the second connecting piece 200 are respectively provided with a second connecting portion 201 and a third connecting portion 202, wherein the second connecting portion 201 is used for being clamped in the vehicle body groove 501 with the first connecting piece 100, and the third connecting portion 202 is used for being connected with the third connecting piece 300 on one side of the roof rail 502, which is far away from the vehicle body groove 501.

Wherein, two ends of the second connection portion 201 are respectively concaved inward toward the middle to form a third clamping portion 210 and a fourth clamping portion 220, and an end of the third clamping portion 210, which is away from the fourth clamping portion 220, is concaved to form a fifth clamping portion 230; wherein the fifth clamping portion 230 is matched with the first clamping portion 140, and the fourth clamping portion 220 is matched with the second clamping portion 150; the third clamping portion 210 is telescopic to the first clamping portion 140, so that the fifth clamping portion 230 can be clamped to the first clamping portion 140, and the fourth clamping portion 220 can be clamped to the second clamping portion 150 at the same time.

Specifically, the first clamping portion 140 and the second clamping portion 150 are bosses disposed at one end of the first connector 100 and used for being clamped to the second connector 200, and the fourth clamping portion 220 and the fifth clamping portion 230 are concave tables disposed on the second connector 200 and respectively matched with the second clamping portion 150 and the first clamping portion 140, and are used for being respectively clamped to the second clamping portion 150 and the first clamping portion 140, so as to realize detachable fixed connection between the first connector 100 and the second connector 200.

Further, the fifth clamping portion 230 in the present embodiment is formed by the third clamping portion 210 sinking away from the end of the fourth clamping portion 220, in other words, the end of the second connector 200 provided with the fifth clamping portion 230 further sinks towards the fourth clamping portion 220 to form the third clamping portion 210, and the portion of the third clamping portion 210 not forming the fifth clamping portion 230 protrudes out of the fifth clamping portion 230. The first clamping portion 140 can stretch out and draw back in the third clamping portion 210, when the first clamping portion 140 abuts against one end of the third clamping portion 210, which is away from the fifth clamping portion 230, the second connecting piece 200 can adjust the gesture to enable the fourth clamping portion 220 to be clamped to the second clamping portion 150, and meanwhile, the fifth clamping portion 230 can be clamped to the first clamping portion 140, so that the first connecting piece 100 and the second connecting piece 200 can be conveniently and stably connected in a detachable and fixed mode.

The applicant researches find that the prior clamping piece has the problems of inconvenient disassembly or unstable connection in structure, and the clamping piece is applied to the connecting structure for connecting roof accessories such as an external luggage rack and the like and a rain gutter, so that the defects of inconvenient disassembly or unstable installation of the connecting structure are easily caused. The detachable mounting structure is one of the main advantages of the clamping structure, and the detachable mounting structure is applied to the connecting structure of the rain gutter and the roof accessory, so that the roof accessory can be conveniently detached, and the mounting structure can be detached together after the roof accessory is detached, so that the aesthetic property of a vehicle body is not influenced; the installation stability is a necessary function for avoiding potential safety hazards in the installation of roof accessories. Accordingly, the embodiments of the present application provide a detachably connected and firmly connected vehicle body assembly 10 to solve the above-described technical problems. In the present embodiment, the first connecting piece 100 and the second connecting piece 200 can utilize the matching structures of the first clamping portion 140, the second clamping portion 150, the third clamping portion 210, the fourth clamping portion 220 and the fifth clamping portion 230 to realize the detachable connection capable of being firmly connected.

Referring to fig. 8 to 10 in combination, fig. 8 is a schematic structural diagram of the first connector 100 and the second connector 200 in the embodiment of fig. 2 when they are initially clamped, fig. 9 is a schematic structural diagram of the first connector 100 and the second connector 200 in the embodiment of fig. 8 when they are further clamped, and fig. 10 is a schematic structural diagram of the first connector 100 and the second connector 200 in the embodiment of fig. 9 when they are further clamped.

In the process of fastening the first connecting member 100 and the second connecting member 200, the third fastening portion 210 is first inserted into the first fastening portion 140 in an oblique direction, and since the fifth fastening portion 230 is matched with the first fastening portion 140, when the first fastening portion 140 abuts against one end of the third fastening portion 210 opposite to the fifth fastening portion 230, the first connecting member 100 and the second connecting member 200 do not form a stable connection structure, i.e. the second connecting member 200 can move relative to the first connecting member 100.

Further, the first clamping portion 140 stays in the third clamping portion 210, and the end of the second connector 200 provided with the fourth clamping portion 220 rotates towards the second clamping portion 150, so that the fourth clamping portion 220 is located at a position corresponding to the second clamping portion 150.

Further, the second connecting piece 200 moves towards the second clamping portion 150 until the second clamping portion 150 and the fourth clamping portion 220 are clamped, at this time, the first clamping portion 140 and the fifth clamping portion 230 are clamped synchronously, and the first clamping portion 140, the second clamping portion 150 and the third clamping portion 210 can cooperate to limit the movement of the fourth clamping portion 220 and the fifth clamping portion 230, so that the first connecting piece 100 and the second connecting piece 200 form a detachable fixed connection structure.

Further, the first limiting portion 1401 and the second limiting portion 1501 are protruding portions formed at one ends of the first clamping portion 140 and the second clamping portion 150, which are away from the first fixing portion 101, and the protruding direction of the protruding portions is perpendicular to the second connecting portion 201, and the first limiting portion 1401 and the second limiting portion 1501 can cooperate to limit movement of the fifth clamping portion 230 and the fourth clamping portion 220 relative to the first clamping portion 140 and the second clamping portion 150.

Further, when the first connector 100 and the second connector 200 form a fixed connection structure in the body groove 501, the third connecting portion 202 is disposed on the side of the roof rail 502 facing away from the body groove 501 for connection with the third connector 300. Referring to fig. 11 and fig. 2 to fig. 4 in combination, fig. 11 is a schematic structural diagram of the third connecting member 300 in the embodiment of fig. 2.

Alternatively, in the present embodiment, the third connecting member 300 includes a second fixing portion 301, a third fixing portion 302, and a fourth connecting portion 303 formed between the second fixing portion 301 and the third fixing portion 302, the fourth connecting portion 303 being connected to the second fixing portion 301 and the third fixing portion 302, respectively. The middle part of the fourth connecting portion 303 may be formed with a through hole 310 matching with the third connecting portion 202, where the third connecting portion 202 can penetrate through the through hole 310 and cooperate with the locking member 400 to fix the second fixing portion 301 on the cross beam 503 and/or fix the third fixing portion 302 on the roof rail 502, and further strengthen the connection structure between the first connecting member 100 and the second connecting member 200.

It should be noted that the structures of the third connecting portion 202, the third connecting member 300 and the locking member 400 are not limited to the present embodiment, for example, the third connecting portion 202 may be a nut, and the locking member 400 may be a matched screw to cooperatively connect the vehicle body assembly 10; in addition, in other embodiments of the present application, the locking member 400 may not be provided, meanwhile, the third connecting portion 202 may be provided with a thread, the inner wall of the through hole 310 may be provided with a matched thread, and then the third connecting portion 202 may be matched with the through hole 310 to realize connection between the second connecting member 200 and the third connecting member 300, so that the third connecting member 300 is fixed on a roof, and meanwhile, the clamping connection between the first connecting member 100 and the second connecting member 200 may be further reinforced.

In several embodiments provided herein, it should be understood that the disclosed apparatus or device may be implemented in other ways. For example, the embodiments described above are merely illustrative, such as the division of the above units, merely a logical functional division, and there may be additional divisions in actual implementation, such as multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed.

It should be noted that the terms "first," "second," and "third" in the embodiments herein are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", and "a third" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

Further, all directional indications (such as up, down, left, right, front, rear, inner, outer … …) in the embodiments of the present application are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indication is changed accordingly.

In summary, in the vehicle body assembly 10 provided in this embodiment of the present application, the detachable stable mounting structure can be realized by using the matching structure of the first connecting piece 100 and the second connecting piece 200, and then the fixing of the third connecting piece 300 on the roof rail 502 and/or the cross beam 503 can be realized by using the matching structure of the second connecting piece 200, the third connecting piece 300 and the locking piece 400, and the connection between the first connecting piece 100 and the second connecting piece 200 is further reinforced, so that the connecting assembly 20 is detachably fixed on the roof, so as to facilitate the installation of roof accessories such as an external luggage rack on the roof.

The automobile body subassembly 10 that this application embodiment provided for unusual positions such as narrow, dark pit can't preassemble bolt or nut and provide effective solution, and the automobile body subassembly 10 does not have the phenomenon of installation dislocation in the installation, has convenient operation, and production efficiency is high, dismantles simple characteristics simultaneously.

In addition, the materials of all the devices or components in the embodiments of the present application may be hard plastics, metals, such as nonferrous metals like aluminum alloys, or stainless steel, and may be one or more combinations, which are not specifically limited herein.

It should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two devices. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

The foregoing description is only a partial embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent devices or equivalent processes using the descriptions and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.

Claims

1. A connection assembly for use with a vehicle body, comprising: the connecting device comprises a first connecting piece, a second connecting piece and a third connecting piece, wherein a first fixing part and a first connecting part are respectively arranged at two ends of the first connecting piece, a second connecting part and a third connecting part are respectively arranged at two ends of the second connecting piece, a second fixing part and a third fixing part are respectively arranged at two ends of the third connecting piece, a fourth connecting part is formed between the second fixing part and the third fixing part, and the fourth connecting part is respectively connected with the second fixing part and the third fixing part;

the first connecting part is arranged in the vehicle body groove, and the first fixing part is fixed in the vehicle body groove; the first connecting part is clamped to the second connecting part, and the third connecting part is arranged on one side of the roof beam, which is away from the vehicle body groove; the fourth connecting part is connected with the third connecting part so as to be matched with the second fixing part to be fixed on a vehicle cross beam and/or matched with the third fixing part to be on the roof beam; the vehicle body groove is formed by sinking the end of the vehicle cross beam, and the top beam is covered on the vehicle body groove.

2. The connection assembly according to claim 1, wherein the first connection portion is provided between a first surface of the body channel and a second surface of the roof rail, and the first fixing portion is fixed to the first surface; the first connecting part is clamped to the second connecting part, and the third connecting part is arranged on one side of the second surface, which is away from the first surface; the fourth connecting portion is connected to the third connecting portion so as to be fixed on the second surface in cooperation with the second fixing portion and/or fixed on the third surface of the vehicle cross beam in cooperation with the third fixing portion.

3. The connection assembly of claim 2, wherein the first fixing portion and the first connection portion form a first preset angle, and the second connection portion and the third connection portion form a second preset angle, so that the first connection portion is clamped to the second connection portion in the vehicle body groove.

4. The connecting assembly according to claim 3, wherein the same sides of the two ends of the first connecting portion deviate from the first fixing portion in a protruding manner to form a first clamping portion and a second clamping portion, the two ends of the second connecting portion are inwards concave toward the middle to form a third clamping portion and a fourth clamping portion, and the end of the third clamping portion deviating from the fourth clamping portion is downwards concave to form a fifth clamping portion; the fifth clamping part is matched with the first clamping part, and the fourth clamping part is matched with the second clamping part; the third clamping part can stretch out and draw back in the first clamping part, so that the fifth clamping part can be clamped in the first clamping part, and the fourth clamping part can be clamped in the second clamping part at the same time.

5. The connection assembly according to claim 4, wherein a first limiting portion and a second limiting portion are formed at one ends of the first clamping portion and the second clamping portion, which are away from the first fixing portion, respectively, and the first limiting portion and the second limiting portion can cooperate to limit movement of the fifth clamping portion and the fourth clamping portion relative to the first clamping portion and the second clamping portion.

6. The connection assembly of claim 5, further comprising a locking member coupled to the fourth connection portion, the fourth connection portion being formed with a through hole, the third connection portion being capable of penetrating the through hole and threadably engaging the locking member to secure the second securing portion to the second surface and/or the third securing portion to the third surface.

7. The connection assembly of claim 6, wherein the first fixing portion has two ends depressed to form a first sub-fixing portion and a second sub-fixing portion, the first sub-fixing portion and the second sub-fixing portion being respectively fixed to the first surface.

8. The connection assembly of claim 7, wherein a drain level is formed between the first sub-mount and the second sub-mount such that moisture flowing to the first mount can flow out via the drain level.

9. The connection assembly of claim 6, wherein at least one reinforcement portion is provided between the first connection portion and the first fixing portion for increasing the strength of the first and second clamping portions.

10. A vehicle body assembly, comprising: a cross car beam, a roof rail and a connection assembly according to any one of claims 1 to 9, which is fixedly connected to the cross car beam and/or the roof rail.