CN209833790U

CN209833790U - Connecting structure for section bars and vehicle

Info

Publication number: CN209833790U
Application number: CN201920412100.3U
Authority: CN
Inventors: 唐宜; 王兴宇; 狄亚鹏
Original assignee: Sany Automobile Manufacturing Co Ltd
Current assignee: Hunan Province Ground Unmanned Equipment Engineering Research Center Co ltd
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2019-12-24
Anticipated expiration: 2029-03-28

Abstract

The utility model relates to a technical field is connected to the section bar, especially relates to a connection structure and vehicle for section bar. The connecting structure for the profiles comprises an angular connecting piece, and the first profile and the second profile are arranged in a manner of crossing each other; the corner connector includes a first plate portion extending in a first direction and a second plate portion extending in a second direction; the first plate part is inserted into the first slot part; the second section bar is provided with a second slot part, and the second plate part is inserted into the second slot part; the second section bar is fixedly connected with the angle-shaped connecting piece through the fixing part. The vehicle comprises the connecting structure for the section bar. This a connection structure for section bar and this vehicle make the high-efficient auto-lock between first section bar and the second section bar be connected, and fix a position accurately, and can remain the high strength characteristic of section bar.

Description

Connecting structure for section bars and vehicle

Technical Field

The utility model relates to a technical field is connected to the section bar, especially relates to a connection structure and vehicle for section bar.

Background

The light weight of the automobile is an important subject concerned by the automobile manufacturing industry, and the light weight is beneficial to improving the maneuverability, the dynamic property and the fuel utilization rate. The light weight of the vehicle body is one of main ways for realizing the light weight of the whole vehicle. At present, the automobile body structure adopting the aluminum alloy section bar framework and the re-skinning is an important way for realizing the light weight of the automobile body.

According to the scheme of obtaining the aluminum alloy section bar framework through welding, due to the fact that the aluminum alloy has high requirements on a welding process, the problems of high welding difficulty, high welding deformation, high requirements on the technical level of workers, high requirements on the working environment and the like exist, and particularly, after the high-strength aluminum alloy is welded, the strength loss after welding is large, the fatigue performance of a welding seam is poor, and therefore the aluminum alloy section bar framework obtained through welding the aluminum alloy is not a good choice.

In addition, the scheme of obtaining the aluminum alloy section bar framework through bolt connection has the problems of poor structural adaptability, improved connection difficulty and reduced connection efficiency on the one hand, and has the problem of large structural weight increase on the other hand, which is not beneficial to vehicle body light weight.

Therefore, the present application provides a new connecting structure for profiles to maintain high strength characteristics of profiles, improve connection efficiency and positioning accuracy of profiles, and solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connection structure for section bar to keep the high strength characteristic of section bar, improve the connection efficiency and the positioning accuracy of section bar.

The utility model aims at providing a vehicle still to remain the high strength characteristic of section bar, improve the connection efficiency and the positioning accuracy of section bar.

In order to achieve the above object, the present invention provides the following technical solutions:

in view of the above first object, the present invention provides a connecting structure for sectional materials, which includes an angle connecting member for fixedly connecting a first sectional material and a second sectional material together, wherein the first sectional material and the second sectional material are arranged to cross each other;

the corner connector comprises a first plate part extending along a first direction and a second plate part extending along a second direction, and the first direction and the second direction are arranged to cross each other;

the first section bar further comprises an accommodating part and a first slot part, the accommodating part is used for accommodating and positioning the connecting end of the second section bar, the first slot part is arranged on at least one of two sides of the accommodating part, and the first plate part is inserted into the first slot part;

a second slot part is arranged on the side wall of the second section bar facing the side where the first slot part is located, and the second plate part is inserted into the second slot part;

and the second section bar is fixedly connected with the angle-shaped connecting piece through the fixing part.

In any of the above technical solutions, optionally, the fixing portion is a riveting member, and the first profile and the second profile are respectively fixedly connected to the corner connecting member through the riveting member.

In any of the above technical solutions, optionally, the fixing portion is an adhesive member, the adhesive member is disposed between the first slot portion and the first plate portion, and the adhesive member is disposed between the second slot portion and the second plate portion.

In any of the above technical solutions, optionally, a side wall of the first profile facing the side where the second slot portion is located is a first butt side wall, two first ribs having an L-shaped cross section are disposed on the first side wall, the two first ribs protrude out of the first butt side wall toward the side where the second slot portion is located, the first slot portion is formed by at least one portion of the first butt side wall and the two first ribs, and the two first ribs extend along two edges of the first butt side wall respectively;

the side wall of the second section bar facing to the side where the first slot part is located is a second butt side wall, two second rib-shaped parts with L-shaped sections are arranged on the second butt side wall, the two second rib-shaped parts protrude out of the second butt side wall towards the side where the first slot part is located, the second slot part is formed by at least one part of the second butt side wall and the two second rib-shaped parts, and the two second rib-shaped parts respectively extend along two edges of the second butt side wall.

In any one of the above technical solutions, optionally, the first rib extends from the accommodating portion to an end portion of the first profile in a length direction of the first profile, and the second rib extends over an entire length of the second profile.

In any of the above technical solutions, optionally, the number of the first slot portions is two, and the two first slot portions are respectively disposed on two sides of the accommodating portion;

the number of the second slot parts is two, the two second slot parts are respectively arranged on two side walls, facing to the two first slot parts, of the second section bar, and the two first slot parts and the two second slot parts are respectively connected with each other in a one-to-one correspondence mode through the angle-shaped connecting pieces.

In any of the above technical solutions, optionally, the second profile is further provided with at least one third slot portion, and the at least one third slot portion is disposed on a side wall of the second profile different from the two second butt side walls;

the connecting structure for the profiles further comprises an auxiliary connecting plate, the auxiliary connecting plate is inserted into the third slot part and connected to the side wall, different from the first butt side wall, of the first profile, and the auxiliary connecting plate assists in fixedly connecting the first profile and the second profile in a gluing or riveting mode.

In any of the above aspects, optionally, the third socket portion extends throughout the entire length of the second profile.

In any of the above technical solutions, optionally, the angle connector further includes a rib plate, the rib plate is fixedly connected between the first plate portion and the second plate portion and is used for supporting the first plate portion and the second plate portion, and the rib plate is respectively arranged to intersect with the first plate portion and the second plate portion.

Based on above-mentioned second purpose, the utility model provides a vehicle, the connection structure for section bar that provides including above-mentioned first purpose.

Adopt above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model provides a connection structure for section bar has improved positioning accuracy and connection efficiency between first section bar and the second section bar through setting up the portion of holding, has realized through the angular form connecting piece that the auto-lock between first section bar and the second section bar with various contained angle cross arrangement is connected, connects the high efficiency firm, and can remain the high strength characteristic and other structures and the mechanical properties of section bar. Especially for high strength aluminum alloy section bar, generally the performance in the aspect of its welding performance is relatively poor, and no matter welding and spiro union can weaken high strength aluminum alloy section bar's intensity, connect through this connection structure not only can remain high strength aluminum alloy's intensity, but also can improve its stability and the reliability of connecting. The utility model provides a vehicle includes this connection structure, is favorable to improving the structural strength and the lightweight of automobile body skeleton, and through this connection structure connecting profile and then the automobile body skeleton that forms, if the damage appears in some position, convenient to detach replaces and reinstall to easily reply the wholeness ability of automobile body skeleton.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a connection structure on a first profile according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a connection structure on a second profile according to an embodiment of the present invention;

fig. 3 is a schematic structural view of an angle connector of a connection structure according to an embodiment of the present invention;

fig. 4 is a first structural schematic diagram of a connection structure according to an embodiment of the present invention;

fig. 5 is a second schematic structural diagram of a connection structure according to an embodiment of the present invention;

fig. 6 is a schematic view of a third structure of a connection structure according to an embodiment of the present invention;

fig. 7 is a fourth schematic structural diagram of a connection structure according to an embodiment of the present invention.

Icon: 1-a first profile; 10-a first interfacing sidewall; 2-a second profile; 20-a second docking sidewall; 30-angle connectors; 301-a first plate portion; 302-a second plate portion; 303-ribbed plate; 31-a first slot portion; 310-a first rib; 32-a second slot portion; 320-a second rib; 33-a housing; 34-riveting piece; 35-auxiliary connection plate; 36-third socket portion.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, 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 mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1 to 7, the present embodiment provides a connecting structure for profiles; fig. 1 is a schematic structural view of the connection structure provided by the present embodiment on a first profile, specifically illustrating the structure of a first slot portion and a receiving portion; fig. 2 is a schematic structural diagram of the connection structure on the second profile according to the embodiment, specifically illustrating the structure of the second slot portion and the second slot portion; FIG. 3 is a view showing the structure of a corner connector of the connection structure according to the present embodiment; fig. 4 is a first structural schematic view of the connection structure provided in this embodiment, showing a structural schematic view of the connection structure when the fixing portion is a rivet; fig. 5 is a second structural schematic of the connection provided by the present implementation, showing the structural schematic of the connection when the second rib does not extend throughout the entire length of the second profile; fig. 6 is a third structural view of the connection structure provided in the present embodiment, showing a structural view of the connection structure in a state where the second rib extends over the entire length of the second profile; fig. 7 is a fourth structural schematic diagram of the connection structure provided in this embodiment, which shows a structural schematic diagram of the connection structure when the fixing portion is an adhesive member.

Referring to fig. 1 to 7, the present embodiment provides a connecting structure for profiles, which includes an angle connector 30 for fixedly connecting a first profile 1 and a second profile 2 together, and the first profile 1 and the second profile 2 are arranged to cross each other;

the angle connector 30 includes a first plate portion 301 extending in a first direction and a second plate portion 302 extending in a second direction, the first direction and the second direction being arranged to intersect with each other, that is, the first plate portion 301 and the second plate portion 302 are arranged to intersect with each other; wherein the angle between the first direction and the second direction is selectable in the range of 0 ° to 180 ° to satisfy the condition that the first profile 1 and the second profile 2 are connected at any angle, for example, in the embodiment, the first direction and the second direction can be perpendicular to each other, so that the angle connector 30 is used for fixedly connecting the first profile 1 and the second profile 2 which are arranged perpendicular to each other, and for example, the angle between the first direction and the second direction can be 120 °, so that the angle connector 30 is used for fixedly connecting the first profile 1 and the second profile 2 which are arranged crosswise at the angle of 120 °.

The first profile 1 comprises a receiving portion 33 and a first slot portion 31, the receiving portion 33 is used for receiving and positioning the connecting end of the second profile 2, at least one of two sides of the receiving portion 33 is provided with the first slot portion 31, and the first plate portion 301 is inserted into the first slot portion 31. Along the length direction of the second section bar 2, one end of the two ends of the second section bar 2, which is used for being connected with the first section bar 1, is a connecting end. The position that needs and second section bar 2 of first section bar 1 are connected in advance sets up holding portion 33, on the one hand, be convenient for hold and the location link, thereby the locate function through holding portion 33 has improved the accuracy and the reliability of butt joint position between first section bar 1 and the second section bar 2, and then improved the size precision and the position precision of the section bar subassembly that obtains through this connection structure connection, on the other hand, be favorable to improving the counterpoint speed of first section bar 1 and second section bar 2 through this holding portion 33, and then can improve the connection efficiency between the two. Optionally, the accommodating part 33 extends in the second direction, and the accommodating part 33 is fitted with the connecting end. In an embodiment, the receiving portion 33 may be a portion recessed from a side wall of the first profile 1 facing the second profile 2 (i.e. the first abutment side wall 10 described below), or may be surrounded by a side wall of the first profile 1 facing the second profile 2 (i.e. the first abutment side wall 10 described below) and two first groove portions 31 described above.

The side wall of the second profile 2 facing the side of the first slot portion 31 is provided with a second slot portion 32, into which second slot portion 32 the second plate portion 302 is inserted. By providing the first slot section 31 on the first profile 1, the first plate section 301 of the corner connector 30 is inserted into the first slot section 31, and by providing the second slot section 32 on the second profile 2, the second plate section 302 of the corner connector 30 is inserted into the second slot section 32, so that the first profile 1 and the second profile 2 can be connected together by the corner connector 30. The second profile 2 is fixedly connected to the corner connector 30 by means of a fastening element in order to fasten the second profile 2 in the second direction, so that play of the second profile 2 relative to the corner connector 30 in the second direction is avoided. Through this angular connector 30 fixed connection first section bar 1 and second section bar 2, on the one hand, easy and simple to handle is favorable to improving the packaging efficiency, and on the other hand, does not destroy the structure of first section bar 1 and second section bar 2 itself, can form the auto-lock between first section bar 1 and second section bar 2, not only connect firmly, can remain the structural feature and the mechanical properties of first section bar 1 and second section bar 2 itself in addition, be favorable to remaining the high strength characteristic of section bar. It is to be emphasized that in a profile module, every two profiles of the profile module to be connected can be fixedly connected by the angle connection 30.

In the related technology, the sectional materials are mainly connected by welding and screwing, wherein when the welding scheme is adopted, the problems of high welding difficulty, high requirement on the technical level of workers, easy deformation of the sectional materials, easy loss of strength of the sectional materials, unstable connection and the like are solved; the adoption of the screw connection method has the problems of poor structural adaptability, weight increment and the like. The connecting structure for section bars of the present embodiment includes an angle connector 30 for fixedly connecting a first section bar 1 and a second section bar 2 together, the angle connector 30 including a first plate portion 301 extending in a first direction and a second plate portion 302 extending in a second direction, the first direction and the second direction being arranged to cross each other, so that the first section bar 1 and the second section bar 2 arranged to cross at various angles can be connected by the angle connector 30; the first section bar 1 comprises an accommodating part 33 and a first slot part 31, the accommodating part 33 is used for accommodating and positioning the connecting end of the second section bar 2, and the positioning precision and the connecting efficiency between the first section bar 1 and the second section bar 2 are improved by the accommodating part 33; at least one of both sides of the receiving portion 33 is provided with a first slot portion 31, into which the first plate portion 301 is inserted 31; the side wall of the second section bar 2 facing the side of the first slot part 31 is provided with a second slot part 32, the second plate part 302 is inserted into the second slot part 32, the self-locking connection between the first section bar 1 and the second section bar 2 is realized through the angle-shaped connecting piece 30, the connection is efficient and stable, and the high-strength characteristic and other structural and mechanical characteristics of the section bars can be reserved. Especially for high strength aluminum alloy section bar, generally the performance in the aspect of its welding performance is relatively poor, and no matter welding and spiro union can weaken high strength aluminum alloy section bar's intensity, connect through connection structure in this application not only can keep high strength aluminum alloy's intensity, but also can improve its stability and the reliability of connecting.

In an alternative of this embodiment, the connection according to an embodiment may further comprise a fastening portion which is a rivet 34, by means of which rivet 34 the first profile 1 and the second profile 2 are each fixedly connected to the corner connector 30. Specifically, at least one riveting member 34 rivets the first profile 1 and the first plate portion 301, and at least another riveting member 34 rivets the second profile 2 and the second plate portion 302. Can strengthen the joint strength between corner connector 30 and first section bar 1 through riveting 34, can also strengthen the joint strength between corner connector 30 and second section bar 2 through riveting 34 simultaneously, and replace welded connected mode through riveted connected mode, can strengthen connecting, and can keep section bar self structural strength.

Optionally, a plurality of riveting pieces 34 riveted to the first profile 1 and the first plate portion 301 are uniformly distributed to improve the uniform degree of stress at the joint of the first profile 1 and the first plate portion 301, and a plurality of riveting pieces 34 riveted to the second profile 2 and the second plate portion 302 are uniformly distributed to improve the uniform degree of stress at the joint of the second profile 2 and the second plate portion 302.

Alternatively, the rivet 34 is a high strength rivet such as a rivet manufactured by haake. Optionally, riveting holes are pre-opened in the first plate portion 301, the second plate portion 302, the first profile 1 and the second profile 2, and the riveting member 34 penetrates through the riveting holes and rivets the members to be connected together.

In an alternative of the present embodiment, the connection structure according to the embodiment may further include a fixing portion that is an adhesive (not shown in the drawings), the adhesive being provided between the first slot portion 31 and the first plate portion 301, and the adhesive being provided between the second slot portion 32 and the second plate portion 302. By providing an adhesive between the first groove portion 31 and the first plate portion 301, the connection between the first profile 1 and the first plate portion 301 can be strengthened, and by providing an adhesive between the second groove portion 32 and the second plate portion 302, the connection between the second profile 2 and the second plate portion 302 can be strengthened. The bonding connection mode replaces the welding connection mode, the connection strengthening effect is achieved, the operation is simple and convenient, the noise is low, and the assembly and disassembly are easy.

Alternatively, the adhesive members are continuously or intermittently distributed between the first slot portion 31 and the first plate portion 301; the adhesive members are continuously or intermittently distributed between the second groove portion 32 and the second plate portion 302.

Alternatively, the adhesive is a strong glue or the like, and the type of the adhesive is not particularly limited as long as the adhesive can bond the first groove portion 31 and the first plate portion 301 and bond the second groove portion 32 and the second plate portion 302.

In an alternative of this embodiment, a side wall of the first profile 1 facing the side where the second slot portion 32 is located is a first butt side wall 10, two first ribs 310 having an L-shaped cross section are provided on the first butt side wall 10, the two first ribs 310 protrude from the first butt side wall 10 toward the side where the second slot portion 32 is located, the first slot portion 31 is formed by at least a part of the first butt side wall 10 and the two first ribs 310, and the two first ribs 310 extend along two edges of the first butt side wall 10 respectively, so that the size of the first slot portion 31 can be ensured as wide as possible, and the self-locking first profile 1 and the second profile 2 are more stable. Wherein, two L shape first rib 310 are crooked relatively, and two L shape first rib 310 and first section bar 1 integrated into one piece can guarantee the joint strength between first slot part 31 and the first section bar 1 on the one hand, but also can improve the convenience that first slot part 31 set up, and then when being applied to the vehicle through the section bar that this connection structure connects, be favorable to the lightweight and improve the structural strength of automobile body skeleton. Further, as shown in fig. 6, the first rib 310 may extend from the receiving portion 33 to an end of the first profile 1 in a length direction of the first profile 1.

Meanwhile, optionally, the accommodating part 33 is obtained on the first section bar 1 by machining methods such as cutting, removing solid bodies and the like, so that the accommodating part 33 is integrally formed with the first section bar 1, which is beneficial to improving the machining efficiency and the connection efficiency. For example, as described above, the receiving portion 33 may be formed to be recessed from the first butting side wall 10 of the first profile 1.

The side wall of the second section bar 2 facing the side where the first slot part 31 is located is a second butt side wall 20, two second ribs 320 with L-shaped cross sections are arranged on the second butt side wall 20, the two second ribs 320 protrude out of the second butt side wall 20 towards the side where the first slot part 31 is located, the second slot part 32 is formed by at least one part of the second butt side wall 20 and the two second ribs 320, and the two second ribs 320 extend along two edges of the second butt side wall 20 respectively, so that the size of the second slot part 32 can be ensured as wide as possible, and the self-locking first section bar 1 and the second section bar 2 are more stable. Wherein, two second rib 320 are crooked relatively, and two second rib 320 and second section bar 2 integrated into one piece can guarantee the joint strength between second slot portion 32 and the second section bar 2 on the one hand, but also can improve the convenience that second slot portion 32 set up, and then when this connection structure is used for the section bar of connecting to be used for the vehicle, be favorable to the lightweight and improve the structural strength of automobile body skeleton.

In the alternative of this embodiment, the second rib 320 generally extends over the entire length of the second profile 2, that is, the second rib 320 on the integrally formed second profile 2 does not need to be specially cut, so that the machining process for the second rib 320 can be omitted, thereby improving the production efficiency. Alternatively, a part of the second rib 320 is cut off by machining to obtain a second rib 320 having a shorter length, so that the weight of the second profile 2 can be reduced, which is advantageous for light weight. Similarly, the first rib 310 may also be provided in a similar manner.

Referring to fig. 1, in an alternative of the present embodiment, the number of the first slot portions 31 is two, and two first slot portions 31 are respectively disposed on both sides of the accommodating portion 33;

the number of the second slot portions 32 is two, and at the connecting end, the two second slot portions 32 are respectively disposed on two side walls of the second profile 2 facing the two first slot portions 31 respectively, and the two first slot portions 31 and the two second slot portions 32 are respectively connected to each other in a one-to-one correspondence manner through the angle-shaped connecting members 30, so that the connection stability of the first profile 1 and the second profile 2 can be further improved.

Alternatively, the two first slot portions 31 and the accommodating portion 33 are integrally formed with the first profile 1, specifically, the accommodating portion 33 is obtained by machining at a designated position, so that one first slot portion 31 is obtained at each end of the accommodating portion 33.

Alternatively, the cross section of the first profile 1 is square, the first profile 1 is integrally formed with two first ribs 310, the two first ribs 310 extend along two edges of the first abutting side wall 10 of the first profile 1, respectively, and the two first ribs 310 extend over the entire length of the first abutting side wall 10 (see fig. 6), the two first ribs 310 corresponding to predetermined positions of the first abutting side wall 10 are machined to form the receiving portion 33 corresponding to the predetermined positions, and two first grooves 31 are formed on two sides of the receiving portion 33 by the two first ribs 310 and at least a part of the first abutting side wall 10. Further, the first groove portion 31 having a predetermined length can be obtained by machining, so as to satisfy the requirement of light weight while satisfying the connection strength.

In an alternative of this embodiment, at least one third slot portion 36 is further provided on the second profile 2, the at least one third slot portion 36 is provided on a different side wall of the second profile 2 from the two second butt side walls 20, the connecting structure further includes an auxiliary connecting plate 35, the auxiliary connecting plate 35 is inserted into the third slot portion 36 and connected to a different side wall of the first profile 1 from the first butt side wall 10, and the auxiliary connecting plate 35 assists to fixedly connect the first profile 1 and the second profile 2 by means of gluing or riveting. Therefore, one part of the auxiliary connecting plate 35 is inserted into the third slot part 36, and the other part of the auxiliary connecting plate 35 is fixedly connected with the second section bar 2, so that the connection reliability of the first section bar 1 and the second section bar 2 on other side surfaces can be further enhanced. Specifically, through setting up two auxiliary connection boards 35 relatively, set up two angular connector 30 relatively, can realize to the comprehensive parcel formula fixed connection of second section bar 2 and second section bar 2, and positioning accuracy is high, connection efficiency is high.

In an alternative of this embodiment, the third socket part 36 extends over the entire length of the second profile 2.

In an alternative of the present embodiment, the angle connector 30 further includes ribs 303, the ribs 303 are fixedly connected between the first plate portion 301 and the second plate portion 302 for supporting the first plate portion 301 and the second plate portion 302, and the ribs 303 are respectively provided across the first plate portion 301 and the second plate portion 302. By connecting the ribs 303 between the first plate portion 301 and the second plate portion 302, the first plate portion 301 can be prevented from bending relative to the second plate portion 302, thereby improving the structural strength and structural stability of the corner connector 30.

Alternatively, the rib 303, the first plate portion 301, and the second plate portion 302 are arranged to intersect and define a cavity, and the rib 303, the first plate portion 301, and the second plate portion 302 are formed integrally by extending in the same direction.

Alternatively, a plurality of corner connectors 30 having the same size and shape may be obtained by defining a profile having the same shape as the cross-section of the corner connector 30 as a corner connector and cutting the profile along the cross-section of the corner connector by a predetermined length, and the integrally formed corner connector 30 may have significant advantages in weight reduction and cost compared to cast connectors, welded connectors, and the like in the related art.

Example two

The second embodiment provides a vehicle, which includes the connecting structure for section bars disclosed in the first embodiment, and the technical features of the connecting structure for section bars disclosed in the first embodiment are also applicable to this embodiment, and the technical features of the connecting structure for section bars disclosed in the first embodiment will not be described repeatedly.

The vehicle provided by the embodiment comprises the connecting structure for the section bar provided by the embodiment I. Wherein, this connection structure is particularly useful for on the automobile body skeleton of vehicle to be favorable to improving the structural strength and the lightweight of automobile body skeleton, and through this connection structure connecting profile and then the automobile body skeleton that forms, if the damage appears in some positions, convenient to detach replaces and reinstall, thereby easily reply the wholeness ability of automobile body skeleton.

The vehicle disclosed in the present embodiment has the advantages of the connecting structure for a profile disclosed in the first embodiment, which will not be described again here.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention. Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

Claims

1. A connecting structure for profiles, characterized in that it comprises an angle connector (30) for fixedly connecting a first profile (1) and a second profile (2) together, and in that the first profile (1) and the second profile (2) are arranged crosswise to each other;

the angle connector (30) comprises a first plate portion (301) extending in a first direction and a second plate portion (302) extending in a second direction, the first direction and the second direction being arranged to cross each other;

the first section bar (1) further comprises a containing part (33) and a first slot part (31), wherein the containing part (33) is used for containing and positioning the connecting end of the second section bar (2), the first slot part (31) is arranged on at least one of two sides of the containing part (33), and the first plate part (301) is inserted into the first slot part (31);

a second slot (32) is provided on a side wall of the second profile (2) facing the side of the first slot (31), the second plate portion (302) being inserted into the second slot (32);

the second profile (2) is fixedly connected with the angle connector (30) through the fixing part.

2. Connection for profiles according to claim 1, characterised in that the fixing part is a rivet (34), by means of which rivet (34) the first profile (1) and the second profile (2) are each fixedly connected to the angle connection (30).

3. The connection structure for profiles according to claim 1, characterized in that the fixing portion is an adhesive piece provided between the first slot portion (31) and the first plate portion (301), and between the second slot portion (32) and the second plate portion (302).

4. The connecting structure for profiles according to any one of claims 1 to 3, wherein the side wall of the first profile (1) facing the side of the second slot portion (32) is a first mating side wall (10), the first mating side wall (10) is provided with two first ribs (310) having an L-shaped cross section, the two first ribs (310) protrude from the first mating side wall (10) toward the side of the second slot portion (32), the first slot portion (31) is formed by at least a part of the first mating side wall (10) and the two first ribs (310), and the two first ribs (310) extend along two edges of the first mating side wall (10), respectively;

the side wall of the second section bar (2) facing the side where the first slot part (31) is located is a second butt-joint side wall (20), two second rib-shaped parts (320) with L-shaped cross sections are arranged on the second butt-joint side wall (20), the two second rib-shaped parts (320) protrude out of the second butt-joint side wall (20) towards the side where the first slot part (31) is located, the second slot part (32) is formed by at least one part of the second butt-joint side wall (20) and the two second rib-shaped parts (320), and the two second rib-shaped parts (320) extend along two edges of the second butt-joint side wall (20) respectively.

5. The connection for profiles according to claim 4, characterized in that the first rib (310) extends from the receptacle (33) to the end of the first profile (1) in the length direction of the first profile (1), the second rib (320) extending over the entire length of the second profile (2).

6. Connection for profiles according to claim 4,

the number of the first slot parts (31) is two, and the two first slot parts (31) are respectively arranged at two sides of the accommodating part (33);

the number of the second slot parts (32) is two, the two second slot parts (32) are respectively arranged on two side walls, facing to the two first slot parts (31) respectively, of the second section bar (2), and the two first slot parts (31) and the two second slot parts (32) are respectively connected with each other in a one-to-one correspondence mode through the angle-shaped connecting pieces (30).

7. Connection for profiles according to claim 6,

the second profile (2) is further provided with at least one third slot portion (36), and the at least one third slot portion (36) is arranged on a side wall, different from the two second butt side walls (20), of the second profile (2);

the connecting structure for the section bars further comprises an auxiliary connecting plate (35), wherein the auxiliary connecting plate (35) is inserted into the third slot part (36) and is connected to the side wall of the first section bar (1) different from the first butt side wall (10), and the auxiliary connecting plate (35) is used for assisting in fixedly connecting the first section bar (1) and the second section bar (2) in a gluing or riveting mode.

8. Connection for profiles according to claim 7,

the third groove section (36) extends over the entire length of the second profile (2).

9. Connection for profiles according to any of claims 1-3,

the corner connector (30) further comprises a rib (303), the rib (303) is fixedly connected between the first plate portion (301) and the second plate portion (302) for supporting the first plate portion (301) and the second plate portion (302), and the rib (303) is respectively arranged to intersect with the first plate portion (301) and the second plate portion (302).

10. A vehicle, characterized by comprising a connecting structure for profiles according to any one of claims 1 to 9.