CN216761905U

CN216761905U - Fixed panel beating rear beam of new forms of energy electric motor car knot formula

Info

Publication number: CN216761905U
Application number: CN202123397776.6U
Authority: CN
Inventors: 刘黎明; 翁盛锋; 杨天洪; 陈其羽; 余荣臻; 余星; 陆东平; 刘胜
Original assignee: Zhejiang Tuowei Auto Part Co ltd
Current assignee: Zhejiang Tuowei Auto Part Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-17
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to the technical field of new energy automobiles and auxiliary frame beam bodies, in particular to a sheet metal rear cross beam fixed in a buckle manner for a new energy electric vehicle. The combined type longitudinal beam connecting structure overcomes the defects of the prior art, has modular combination capability, and adopts a double-combined connecting mode of stacking above the longitudinal beam and fixedly connecting the longitudinal beam by welding and bolts. Including the rear cross member, wherein: the head and tail ends of the rear cross beam are provided with buckle seats, the buckle seats are connected with multidirectional buckling fixing pieces which can be welded and fixed on the buckle seats at the top and the front parts simultaneously, the tops of the multidirectional buckling fixing pieces are also provided with bolt connecting and installing holes, and connecting bolts for connecting the girder bodies of the longitudinal beams of the auxiliary frame are arranged in the bolt connecting and installing holes; the rear side of the buckling seat is provided with a back-moving prevention piece for preventing the back cross beam from moving backwards, the back-moving prevention piece has the capability of being attached to a welding connection longitudinal beam, and the tail end of the back-moving prevention piece is further provided with a bolt mounting hole for mounting a back-moving stopping bolt to be fixed on the longitudinal beam for preventing the back cross beam from moving. Has strong displacement prevention capability.

Description

Fixed panel beating rear beam of new forms of energy electric motor car knot formula

Technical Field

The utility model relates to the technical field of new energy automobiles and auxiliary frame beam bodies, in particular to a sheet metal rear cross beam fixed in a buckle manner for a new energy electric vehicle.

Background

The existing auxiliary frame is a framework of a front axle and a rear axle and is a constituent part of the front axle and the rear axle. The subframe is not a complete frame, but rather a frame that supports the front and rear axles and the suspension, through which the axles and suspension are connected to the "main frame", and is conventionally referred to as the "subframe". The auxiliary frame is used for bearing an automobile driving assembly, as a good auxiliary frame, vibration and noise are required to be blocked, good combinability is required in the design process, and in the embodiment of the combinability, the excellent auxiliary frame which is a metal plate combination in the field is shown in the patent No. CN202020204436.3, for example, the auxiliary frame structure comprises a first longitudinal beam and a second longitudinal beam which are arranged at intervals and are connected into a whole through a front cross beam and a rear cross beam respectively; swing arm mounting assemblies are respectively arranged at the joint positions of the two ends of the rear cross beam and the first longitudinal beam and the second longitudinal beam, inclined rods extend from the rear cross beam at the positions of the swing arm mounting assemblies, and mounting rear sleeves are arranged at the end parts of the inclined rods; the two ends of the front cross beam are respectively provided with a front sleeve corresponding to the installed rear sleeve, a compressor installing support is arranged on the front cross beam close to one end of the longitudinal beam, a front suspension installing support is arranged on the bottom surface of the middle of the front cross beam, a bent pipe beam is arranged in the front of the front cross beam, a condenser installing support I is arranged on the side, close to the front cross beam, of the middle of the front cross beam, and condenser installing supports II are arranged at the two ends between the bent pipe beam and the front cross beam. The front suspension and the power assembly are convenient to assemble in a modularized manner; each mounting point support adopts the panel beating stamping workpiece welding development cost lower on the tubular beams, moreover, the steam generator is simple in structure, the modularization degree of the front cross beam or the rear cross beam is very low, the connection method is only single welding, the welding structure can only adopt and set up the condition of connection welding point on the same plane with the longeron for firm and life-span, in order to make the difference in height, the beam body must be shaped into the protruding bending shape, so the auxiliary frame rear cross beam with the modularization ability is needed, the combination is various, and the welding limit is overcome.

Disclosure of Invention

In order to solve the problems existing in the prior art, the utility model provides a fixed panel beating rear beam is detained to new forms of energy electric motor car formula, overcomes the prior art defect, has the modularization combination ability, adopts to pile up and sets up above the longeron, uses the double recombination of welding and bolt fixed connection longeron to close the connected mode.

The technical scheme adopted by the utility model for solving the technical problem is as follows: the utility model provides a fixed panel beating rear frame member is detained to new forms of energy electric motor car, includes the rear frame member, wherein: the head end and the tail end of the rear cross beam are provided with buckle seats, the buckle seats are connected with multidirectional buckling fixing pieces which can be welded and fixed on the buckle seats at the top and the front parts simultaneously, the tops of the multidirectional buckling fixing pieces are also provided with bolt connecting mounting holes, and connecting bolts for connecting the longitudinal beam body of the auxiliary frame are arranged in the bolt connecting mounting holes; the rear side of the buckling seat is provided with a back-moving prevention piece for preventing the back cross beam from moving backwards, the back-moving prevention piece has the capability of being attached to a welding connection longitudinal beam, and the tail end of the back-moving prevention piece is further provided with a bolt mounting hole for mounting a back-moving stopping bolt to be fixed on the longitudinal beam for preventing the back cross beam from moving.

Preferably, the rear cross beam is a hollow pipe body as a whole, and a plurality of weight reduction grooves are formed in the beam body. Light weight and is suitable for new energy automobiles.

Preferably, the buckle seat is trapezoidal or square. The volume is larger, the fixed area is larger, and the rigidity can be improved.

Preferably, the rear cross beam is formed by welding and fixing a sheet metal front plate and a sheet metal rear plate after the sheet metal front plate and the sheet metal rear plate are assembled front and back. The welding combination can reduce the manufacturing cost, the interior is hollow, and the weight can be greatly reduced.

Preferably, the multidirectional buckling and fixing piece is formed by integrally casting aluminum metal or combining a left splicing plate and a right splicing plate. Therefore, the sheet metal part can be manufactured in a cost-saving mode, and only two same sheet bodies need to be cut when the sheet metal part is manufactured, and the sheet metal part is symmetrically welded and combined after being stamped.

Preferably, the multidirectional lock fixing piece comprises a buckle joint transversely arranged at the top and an inclined block obliquely arranged at the bottom of the buckle joint, the multidirectional lock fixing piece is integrally L or L character shaped, the inclined block is attached to the buckle seat and matched with the front wall of the buckle seat in a welding mode, a bolt connecting mounting hole is formed in the top of the buckle joint, and a bolt and a longitudinal beam are fixedly connected in the bolt connecting mounting hole.

Preferably, multidirectional lock mounting side fretwork is provided with the adjustment window, as the matching detain the seat and also the fretwork is provided with and detains a seat observation window in the oblique shape piece one side towards multidirectional lock mounting. The adjusting window and the fastening seat observation window can help the bolt and the related hinged connecting piece to be detected and adjusted after being arranged, and related position points are provided for future overhaul.

Preferably, the head end of the bottom of the buckle seat is provided with a flange. The flange can prevent the inclined block of the multidirectional buckling fixing piece from displacing towards one side of the center of the rear cross beam and provide the direction of the installation point position.

The utility model has the following beneficial effects:

1. the whole rear cross beam is made of metal plates, so that the material and the manufacturing cost are saved, and the whole hollow body after splicing is light and light in weight and is suitable for new energy automobiles;

2. the multidirectional buckling fixing piece and the anti-returning piece which are used as main structures are modularized, and the height and the length of the multidirectional buckling fixing piece and the anti-returning piece can be freely adjusted on a corresponding beam body to be installed to realize self functions;

3. the rear cross beam is high in capability of fixing the rear cross beam on the longitudinal beam and has welding upper and front connection capabilities, the head end of the rear cross beam is welded on the longitudinal beam at the rear side of the head end of the rear cross beam and then is also welded with the anti-withdrawal part, and the length of up-and-down connection is prolonged.

4. The length of the connecting structure of the whole structure on the longitudinal beam is increased after the multidirectional buckling fixing piece and the anti-returning piece are combined and fixed on the rear cross beam, the welding connecting surface is enlarged, the fixing strength is enhanced, and the anti-returning piece and the multidirectional buckling fixing piece are connected through bolts, so that the rear beam structure has strong displacement prevention capability no matter in the front and at the back;

5. the rear cross beam is directly stacked above the longitudinal beam, extra bending and shaping are not needed, manufacturing process steps are saved, and the sheet metal plate is more suitable for combination of sheet metal bodies.

Drawings

FIG. 1 is an overall perspective view;

FIG. 2 is a view of an overall three-dimensional exploded view;

FIG. 3 is a view of the installation structure of the multi-directional fastening fixture and the rear cross member;

FIG. 4 is an exploded assembly perspective view of the overall structure;

FIG. 5 is a view showing the entire structure of the bottom;

FIG. 6 is a view showing an embodiment of the combination structure.

Fig. 7 is a completed drawing of the assembly and installation.

Description of reference numerals: the multi-direction buckling type steel plate comprises a rear cross beam 1, a buckling seat 2, a multi-direction buckling fixing piece 3, a bolt connecting installation hole 4, a connecting bolt 5, an anti-return piece 6, a bolt installation hole 7, a non-return bolt 8, a weight reduction groove 9, a metal plate front plate 10, a metal plate rear plate 11, a left splicing plate 12, a right splicing plate 13, a buckling joint 14, an inclined block 15, an adjusting window 16, a buckling seat observation window 17 and a flange 18.

Detailed Description

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be 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 application can be understood by those of ordinary skill in the art as appropriate.

The utility model will be further explained with reference to the accompanying drawings:

fig. 1 and 4 show a sheet metal rear cross beam fixed in a buckle manner for a new energy electric vehicle, which is a rear cross beam 1 manufactured by a sheet metal process, wherein the whole rear cross beam 1 is a hollow pipe body, and a plurality of weight reduction grooves 9 are arranged on the beam body. Light in weight, be applicable to new energy automobile. And the rear cross beam 1 is formed by welding and fixing a sheet metal front plate 10 and a sheet metal rear plate 11 after being assembled front and rear. The welding combination can reduce the manufacturing cost, the interior is hollow, and the weight can be greatly reduced; the multidirectional buckling fixing piece and the anti-returning piece of the main structure are modularized, and the height and the length of the multidirectional buckling fixing piece and the anti-returning piece can be freely adjusted on a corresponding beam body to be installed to realize self functions;

wherein: as shown in fig. 2, the two ends of the left side head and the right side tail of the rear cross beam 1 are integrally protruded outwards to form a buckling seat 2 by low-pressure stamping, and the buckling seat 2 is trapezoidal or square. The volume is larger, the fixed area is larger, and the rigidity can be improved. The diameter of the fastening seat 2 is larger than that of the beam body of the middle rear cross beam, as shown in fig. 5, a multidirectional fastening fixing piece 3 which can be welded and fixed on the fastening seat at the top and the front part simultaneously is connected and arranged on the fastening seat 2, the top of the multidirectional fastening fixing piece 3 is also provided with a bolt connecting installation hole 4, and a connecting bolt 5 for connecting the auxiliary frame longitudinal beam body is arranged in the bolt connecting installation hole 4; the connection method is that as shown in fig. 5, an installation windowing 19 is arranged on an upper plate 20 of the longitudinal beam, a bolt fixing seat 22 is arranged on a lower plate 21 of the longitudinal beam, the connecting bolt 5 penetrates through the bolt connection installation hole 4 and the installation windowing 19, and is fixedly connected with the bolt fixing seat 22 at the bottom, so that the multidirectional buckling fixing piece 3 can be vertically and firmly connected with the longitudinal beam, and the further multidirectional buckling fixing piece 3 is formed by integrally casting aluminum metal or combining a left splicing plate 12 and a right splicing plate 13. The sheet metal part can be manufactured in a relatively cost-saving mode, and only two same sheet bodies need to be cut when the sheet metal part is manufactured, and the sheet metal part is symmetrically welded and combined after being stamped; the multidirectional buckling fixing piece 3 is composed of a buckling joint 14 transversely arranged at the top and an inclined block 15 obliquely arranged at the bottom of the buckling joint 14, the multidirectional buckling fixing piece 3 is integrally L-shaped, the inclined block 15 is attached to the buckling seat 2 and matched with the front wall of the buckling seat 2 in shape in a welding mode, a bolt connecting and installing hole 4 is formed in the top of the buckling joint 14, a bolt is arranged in the bolt connecting and installing hole 4 and connected and fixed with the longitudinal beam, so that the outer wall is tightly welded with the buckling seat 2 along the line, the inner part is vertically connected with the longitudinal beam through the bolt, and the head and tail sections of the rear cross beam are also tightly connected to the longitudinal beam in the downward pressing connection process of the bolt; i.e. the situation shown in fig. 6.

As shown in fig. 2 and 4, the anti-back part 6 for preventing the back beam 1 from moving backwards is arranged at the back side of the buckle base 2, the anti-back part 6 has the capability of being attached to and welded with the longitudinal beam, and the tail end of the buckle base is also provided with a bolt mounting hole 7 for mounting an anti-back bolt 8 to be fixed on the longitudinal beam, so that the vertical bolt can be prevented when forward force and backward force are applied, especially, the backward force can be counteracted to prevent the back beam from moving;

the side surface of the multidirectional buckling fixing part 3 is provided with an adjusting window 16 in a hollow way, and a buckling seat observation window 17 is also arranged in a hollow way on one side of the inclined block 15 facing the multidirectional buckling fixing part 3 as a matching buckling seat 2. The adjustment window 15 and the button seat observation window can help the bolt and the related hinged connecting piece to be detected and adjusted after being arranged, and also provide related position points for future maintenance. The buckle seat 2 is provided with a flange 18 at the head end of the bottom. The rib 18 can prevent the inclined block of the multi-directional buckling fixing piece 3 from displacing towards one side of the center of the rear cross beam and provide the direction of the mounting point.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a fixed panel beating rear frame member is detained to new forms of energy electric motor car, includes rear frame member (1), characterized by: buckling seats (2) are arranged at the head end and the tail end of the rear cross beam (1), multidirectional buckling fixing pieces (3) capable of being welded and fixed on the buckling seats at the top and the front part simultaneously are connected and arranged on the buckling seats (2), a bolt connecting and mounting hole (4) is further formed in the top of each multidirectional buckling fixing piece (3), and a connecting bolt (5) for connecting a girder body of a longitudinal beam of an auxiliary frame is arranged in each bolt connecting and mounting hole (4); detain the rear side of seat (2) and be provided with and prevent moving back piece (6) that prevent rear frame member (1) aversion backward, prevent moving back piece (6) and have the ability of laminating welded connection longeron, and the tail end still is provided with bolt mounting hole (7) for installation stopping bolt (8) are fixed on the longeron, are used for preventing the rear frame member displacement.

2. The sheet metal rear cross beam fixed in a buckle manner for the new energy electric vehicle as claimed in claim 1, which is characterized in that: the rear cross beam (1) is integrally a hollow pipe body, and a plurality of weight reduction grooves (9) are formed in the beam body.

3. The sheet metal rear cross beam fixed in a buckle manner for the new energy electric vehicle as claimed in claim 1, which is characterized in that: the buckle seat (2) is trapezoidal or square.

4. The sheet metal rear cross beam fixed in a buckled mode for the new energy electric vehicle as claimed in claim 1 or 2, is characterized in that: the rear cross beam (1) is formed by welding and fixing a sheet metal front plate (10) and a sheet metal rear plate (11) after being assembled and spliced.

5. The sheet metal rear cross beam fixed in a buckled mode for the new energy electric vehicle as claimed in claim 1, is characterized in that: the multidirectional buckling fixing piece (3) is formed by integrally casting aluminum metal or is formed by combining a left splicing plate (12) and a right splicing plate (13).

6. The sheet metal rear cross beam fixed in a buckled mode for the new energy electric vehicle as claimed in claim 1, is characterized in that: multidirectional lock mounting (3) include that the top transversely sets up detain connect (14) and detain oblique shape piece (15) that connect (14) bottom slant set up and constitute, multidirectional lock mounting (3) are whole to be L or character shape, and oblique shape piece (15) laminating matches its antetheca shape welding setting on detaining seat (2), detain and connect (14) top and set up bolted connection mounting hole (4), and the bolt of packing into in bolted connection mounting hole (4) is connected fixedly with the longeron.

7. The sheet metal rear cross beam fixed in the buckled mode for the new energy electric vehicle as claimed in any one of claims 1, 5 and 6, is characterized in that: the side surface of the multidirectional buckling fixing piece (3) is provided with an adjusting window (16) in a hollow mode, and a buckling seat observation window (17) is also arranged in a hollow mode on one side of the inclined block (15) facing the multidirectional buckling fixing piece (3) and is used for matching the buckling seat (2).

8. The sheet metal rear cross beam fixed in a buckled mode for the new energy electric vehicle as claimed in claim 1 or 2, is characterized in that: the head end of the bottom of the buckle seat (2) is provided with a flange (18).