Miniature bus aluminum body frame structure

Abstract

The utility model relates to the field of automobile structure design, in particular to a miniature bus aluminum body frame structure, which comprises a top cover, a front wall, a rear wall, a left side wall and a right side wall, and is characterized in that the top cover, the front wall, the rear wall, the left side wall and the right side wall are all formed by connecting a plurality of profiles, and the section of each profile is provided with a first cavity, a second cavity and a third cavity which are sequentially arranged; the profiles are provided with grooves, the profiles are connected through the connecting pieces, the connecting parts of the connecting pieces and the profiles are embedded in the corresponding grooves, the two adjacent profiles are riveted through the connecting pieces, failure factors such as pseudo soldering and false soldering are avoided, the vehicle body framework is assembled through the connecting pieces in a riveting mode, operation is easy and fast, and the assembly efficiency is improved. And the assembled vehicle body is high in reliability and strength.

Description

Technical Field

[0001] The utility model relates to the field of automobile structure design, in particular to an aluminum body frame structure of a minibus. Background Art

[0002] Due to the rapid development of minibuses, the body frame, as one of the key components of minibuses, is in urgent need of miniaturization to adapt to the rapid development of the market. Currently, the body frames of minibuses on the market are mostly steel frames or large aluminum frames. Due to the small size of minibuses and the high precision requirements, the current minibus body structure has the following problems:

[0003] 1. The entire body frame is welded, making the welding process difficult to control and prone to defects such as false welds. This creates a heavy workload and makes corrosion protection difficult to ensure. Welding deformation is difficult to control and the body accuracy is difficult to ensure, which is detrimental to the high-precision design of the minibus.

[0004] 2. Due to the material properties of aluminum profiles, in order to meet the structural strength requirements of the vehicle body, the aluminum profiles currently used in micro-circulation buses on the market are generally larger in size. This larger aluminum profile structure increases the thickness of the vehicle body and compresses the interior space, which is not conducive to miniaturization design.

[0005] 3. The heads of conventional rivets are exposed, affecting the installation of interior and exterior decoration.

[0006] In short, the two structures currently on the market, whether steel frame or aluminum frame, are difficult to apply to the current minibus body structure in terms of strength, precision, lightweight design, etc. The traditional body structure is difficult to adapt to the development of minibuses. Therefore, there is an urgent need for a minibus aluminum body frame structure to solve the above problems. Utility Model Content

[0007] The purpose of the present utility model is to provide an aluminum body frame structure for a minibus to solve the problems raised in the above background technology.

[0008] A minibus aluminum body frame structure includes a roof, a front panel, a rear panel, a left side panel, and a right side panel. The structure is characterized in that the roof, the front panel, the rear panel, the left side panel, and the right side panel are all connected by multiple profiles, the cross-section of the profile includes a first cavity, a second cavity, and a third cavity arranged in sequence, the profiles are all provided with grooves, and the profiles are connected by connectors. The connectors and the profiles are connected by riveting, and the connecting parts of the connectors and the profiles are embedded in the corresponding grooves.

[0009] Preferably, a mounting hole is provided in each of the grooves, and each of the mounting holes is provided on the cavity wall of the second cavity on a side close to the connecting piece.

[0010] Preferably, a rivet is passed through each of the mounting holes, and the connecting piece is provided with a matching hole matching the mounting hole. The rivet passes through the matching hole and the mounting hole in sequence to rivet the connecting piece into the groove.

[0011] Preferably, the cross-sections of the first cavity, the second cavity and the third cavity are all rectangular.

[0012] Preferably, when there are two profiles and the two profiles intersect, the connector at the connection between the two profiles is an angle connector.

[0013] Preferably, when the angle between the two profiles is 90 degrees, the angle of the angle connector is a right angle.

[0014] Preferably, when there are two profiles and the two profiles are parallel to each other, the connecting member is a plate-type connecting member, and the plate-type connecting member includes a first support plate, and a first connecting plate is fixed at the connection between the first support plate and the profile, and the two first connecting plates are riveted to the corresponding profiles respectively.

[0015] Preferably, there are three profiles, and when the two profiles are parallel to each other and intersect with another profile, the connecting member is a concave connecting member, and the concave connecting member includes a second support plate, and a second connecting plate is fixed at the connection between the second support plate and the profile, and the three second connecting plates are riveted to the corresponding profiles respectively.

[0016] Preferably, the top cover, front enclosure, rear enclosure, left enclosure and right enclosure are connected via connecting pieces.

[0017] Beneficial effects

[0018] (1) Connectors are used to rivet two adjacent profiles, which avoids failure factors such as cold welding and false welding. The connection between the connector and the profile is embedded in the groove, which is convenient for the subsequent installation of interior and exterior decoration.

[0019] (2) The body frame is assembled by riveting the connectors, which is simple and quick to operate, and the assembled body is reliable and strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural diagram of the minibus body frame;

[0021] Figure 2 It is a structural diagram when two profiles intersect;

[0022] Figure 3 for Figure 2 Schematic diagram of the structure of the center angle connector;

[0023] Figure 4It is a structural diagram when two profiles are parallel;

[0024] Figure 5 for Figure 4 Schematic diagram of the structure of the middle plate connector;

[0025] Figure 6 This is a structural diagram of three profiles connected;

[0026] Figure 7 for Figure 6 Schematic diagram of the structure of the concave connector;

[0027] Figure 8 is a schematic diagram of the cross-sectional structure of the profile;

[0028] Figure 9 This is a structural diagram of four profiles connected;

[0029] Figure 10 It is a structural diagram of the connection between the left side panel and the top cover;

[0030] In the figure: 1. profile, 101. first cavity, 102. second cavity, 103. third cavity, 2. corner connector, 201. arc structure, 3. plate connector, 301. first connecting plate, 302. hollow structure, 303. first support plate, 4. concave connector, 401. second connecting plate, 402. concave structure, 403. second support plate, 5. matching hole, 6. groove, 7. top cover, 8. front panel, 9. back panel, 10. left panel, 11. right panel, 12. rivet. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0032] In the description of the present invention, it should be understood that the terms "middle", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and 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. Therefore, they cannot be understood as limitations on the present invention.

[0033] like Figure 1The figure shows an aluminum minibus body frame structure, including a roof 7, a front panel 8, a rear panel 9, a left side panel 10, and a right side panel 11. Each of these structures is formed by connecting multiple profiles 1. The profile cross-sections comprise a first cavity 101, a second cavity 102, and a third cavity 103, arranged sequentially. Each profile is provided with grooves 6, which are cut by an operator. The profiles are connected by connectors, and the connecting portions of the connectors and profiles are embedded in the corresponding grooves. Each groove is provided with a mounting hole (not shown). Each mounting hole is located in the wall of the second cavity near the connector. Each mounting hole is penetrated by a rivet 12. The connector has a matching hole 5, which matches the mounting hole. The rivet passes through the matching hole and the mounting hole in sequence, riveting the connector to the groove. The cross-sections of the first, second, and third cavities are all rectangular. The profiles used in the body frame are all aluminum profiles.

[0034] When there are two profiles and the two profiles intersect, the connector at the connection between the two profiles is a corner connector 2. When the angle between the two profiles is 90 degrees, the angle of the corner connector is a right angle. When there are two profiles and the two profiles are parallel to each other, the connector is a plate connector 3, which includes a first support plate 303, and a first connecting plate 301 is fixed at the connection between the first support plate and the profile, and the two first connecting plates are riveted to the corresponding profiles respectively. When there are three profiles and the two profiles are parallel to each other and both intersect with another profile, the connector is a concave connector 4, which includes a second support plate 403, and a second connecting plate 401 is fixed at the connection between the second support plate and the profile, and the three second connecting plates are riveted to the corresponding profiles respectively.

[0035] like Figure 2 and 3 As shown, when there are two profiles and the two profiles intersect, the connector at the connection of the two profiles is an angle connector, which is embedded in two corresponding grooves. The connection of the angle connector is provided with an arc 201 structure. When the angle between the two profiles is 90 degrees, the angle of the angle connector is a right angle.

[0036] like Figure 4 and Figure 5 As shown, when there are two profiles and the two profiles are parallel to each other, the connector is a plate-type connector 3, which includes a first support plate. A first connecting plate is fixed at the connection between the first support plate and the profile. The two first connecting plates are riveted to the corresponding profiles respectively, and the two first connecting plates are embedded in the corresponding grooves respectively. The first support plate is provided with a hollow structure 302 to make the structure lighter.

[0037] like Figure 6 and Figure 7As shown, there are three profiles and two of them are parallel to each other. When the other profile intersects with the two parallel profiles, the connector is a concave connector, which includes a second support plate. A second connecting plate is fixed at the connection between the second support plate and the profile. The three second connecting plates are riveted to the corresponding profiles respectively, and the three second connecting plates are embedded in the corresponding grooves. An inner concave structure 402 is provided on the side of the second support plate that is not connected to the profile to make the structure lighter.

[0038] like Figure 9 As shown, four profiles are connected by angle connectors. The operator cuts a groove on the profile that matches the angle connector. The groove is provided with a mounting hole that matches the angle connector. The angle connector is embedded in the groove and rivets are used to rivet the connector to the corresponding profile, thereby connecting multiple profiles. The rivets and connectors will not be exposed from the profile, ensuring the installation of interior and exterior decoration. Riveting can also avoid adverse phenomena such as cold welding and false welding during the welding process.

[0039] like Figure 10 As shown, the top cover and the left side panel or the top cover and the right side panel are connected by a plate connector and a concave connector. The structures of the left side panel and the right side panel are basically the same. Taking the top cover and the left side panel as an example, the plate connector is arranged between the top cover and the left side panel, and the first connecting plates at both ends of the plate connector are respectively connected to the top cover and the left side panel. The first connecting plates are both embedded in the corresponding profiles connected to the two ends of the plate connector. The concave connector is also arranged between the top cover and the left side panel, and the second connecting plate at the connection between the concave connector and the top cover is embedded in the top cover. The second connecting plate at the connection between the concave connector and the left side panel is embedded in the left side panel. The connection method between the top cover and the right side panel is the same as above and will not be repeated here.

[0040] Method of using the utility model

[0041] When the profiles are connected by connectors, a groove is cut at the connection, the connecting part of the connector and the profile is embedded in the groove, and the connector and the profile are riveted to fix the connected profiles. The cutting of the groove is determined according to the position between the profiles. An angle connector, a plate connector or a concave connector is selected according to the position between the profiles. Multiple profiles are connected by connectors to form the skeleton structure of the top cover, front panel, rear panel, left panel and right panel. The top cover, front panel, rear panel, left panel and right panel are also connected by connectors, which can effectively avoid cold welding and false welding between the profiles. The body frame is assembled by riveting through the connectors, which saves production time and improves the strength of the body frame.

[0042] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A minibus aluminum body frame structure, comprising a roof, a front panel, a rear panel, a left panel, and a right panel, characterized by: The top cover, front panel, rear panel, left panel and right panel are all connected by multiple profiles. The cross-section of the profile includes a first cavity, a second cavity and a third cavity arranged in sequence. The profiles are all provided with grooves. The profiles are connected by connecting pieces. The connection method between the connecting pieces and the profiles is riveting. The connecting parts of the connecting pieces and the profiles are embedded in the corresponding grooves.

2. The aluminum body frame structure of a minibus according to claim 1, characterized in that: A mounting hole is provided in each of the grooves, and each of the mounting holes is provided on the cavity wall of the second cavity on a side close to the connecting piece.

3. The aluminum body frame structure of a minibus according to claim 2, characterized in that: A rivet is passed through each of the mounting holes, and a matching hole matching the mounting hole is provided on the connecting piece. The rivet passes through the matching hole and the mounting hole in sequence to rivet the connecting piece into the groove.

4. The aluminum body frame structure of a minibus according to claim 1, characterized in that: The cross sections of the first cavity, the second cavity and the third cavity are all rectangular.

5. The aluminum body frame structure of a minibus according to claim 1, characterized in that: When there are two profiles and the two profiles intersect, the connector at the connection between the two profiles is an angle connector.

6. The aluminum body frame structure of a minibus as claimed in claim 5, characterized in that: When the angle between the two profiles is 90 degrees, the angle of the angled connector is a right angle.

7. The aluminum body frame structure of a minibus according to claim 1, characterized in that: When there are two profiles and the two profiles are parallel to each other, the connecting member is a plate-type connecting member, which includes a first support plate. A first connecting plate is fixed at the connection between the first support plate and the profile, and the two first connecting plates are riveted to the corresponding profiles respectively.

8. The aluminum body frame structure of a minibus according to claim 1, characterized in that: There are three profiles, and when the two profiles are parallel to each other and intersect with another profile, the connecting piece is a concave connecting piece, and the concave connecting piece includes a second support plate. A second connecting plate is fixed at the connection between the second support plate and the profile, and the three second connecting plates are riveted to the corresponding profiles respectively.

9. The aluminum body frame structure of a minibus according to claim 1, characterized in that: The top cover, the front enclosure, the rear enclosure, the left enclosure and the right enclosure are connected via connecting pieces.

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