CN113212564A - All-aluminum alloy vehicle mortise and tenon type side wall structure - Google Patents
All-aluminum alloy vehicle mortise and tenon type side wall structure Download PDFInfo
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- CN113212564A CN113212564A CN202110542093.0A CN202110542093A CN113212564A CN 113212564 A CN113212564 A CN 113212564A CN 202110542093 A CN202110542093 A CN 202110542093A CN 113212564 A CN113212564 A CN 113212564A
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- 229910052782 aluminium Inorganic materials 0.000 claims description 4
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D27/00—Connections between superstructure or understructure sub-units
- B62D27/02—Connections between superstructure or understructure sub-units rigid
- B62D27/023—Assembly of structural joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/02—Side panels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
- B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
- B60K2001/0438—Arrangement under the floor
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The utility model provides an all aluminum alloy vehicle mortise-tenon joint formula side wall structure, the side wall includes that side wall boundary beam, lower floorbar and wheel eyebrow frame form the outline, and inside a plurality of crossbeams and a plurality of stand of setting up of outline, at the regional installation glass in the upper portion of stringcourse crossbeam, at the regional installation aluminum alloy panel between stringcourse crossbeam and floor floorbar, at the regional connection structure between regional design and the frame between floor floorbar and the underbeam. The invention realizes various tenon-and-mortise connections among the profiles through unique profile section design, and further performs assembly connection with the panel to form the all-aluminum alloy vehicle side wall structure module, and has the advantages of light weight, good rigidity, easy manufacture, low manufacturing cost and the like.
Description
Technical Field
The invention relates to the technical field of new energy automobile manufacturing, in particular to an all-aluminum alloy vehicle mortise and tenon type side wall structure.
Background
The automobile side wall is an important structure which is arranged on a frame and forms a riding space in a passenger car, and has various requirements on strength, rigidity, sound insulation, heat insulation, vibration prevention, corrosion prevention, sealing and the like. The side wall design is emphasized in two aspects: 1) the function, performance and manufacturability of the side wall structure; 2) the connection mechanics and the assembly of the side wall and the associated structure (especially the frame and the roof). The side wall of the traditional passenger car adopts the profile steel welding framework, the outer side of the steel framework is covered, the mechanical property of the module is good, the framework welding and covering tension welding processes are mature, and the main defects are that the weight is large, the corrosion resistance is poor, and the surface treatment requirement is high. The aluminum alloy side wall structure has been used, the technology comes from abroad, the aluminum alloy side wall structure adopts two materials of an aluminum alloy section bar framework and an aluminum alloy skin, the framework is connected with the skin by adopting special connecting angle codes and HUCK bolts, the framework is welded with the skin, and the side wall module is connected with a frame by assembling through a series of raised support structures distributed on the edge of a floor and fixing by bolts. The aluminum alloy side wall structure is not large in light weight effect and high in cost, and the assembly interface of the side wall and the frame is a linear area at the edges of two sides of the floor, so that the connection rigidity is insufficient.
The following inquired vehicle aluminum alloy side wall open documents are innovated and iterated aiming at the two key design problems:
1. the whole logistics vehicle structure with the full-bearing, modular and full-light-weight structure and the vehicle are provided; application No.: CN 201810986448.3; the applicant: wuhan Intelligent control Industrial technology research institute, Inc.; abstract: the utility model provides a whole car structure of commodity circulation car and car of bearing, modularization, full lightweight structure entirely, belongs to car technical field. The structure comprises an aluminum alloy underframe structure, a side wall structure, a vertical separation surface structure, a front cabin instrument desk structure, a ceiling structure and connecting ribs. The aluminum alloy underframe structure comprises a cross beam. The side wall structure comprises an outer frame upper edge beam and an outer frame A column. The side wall structure and the cross beam are connected in a mortise-tenon joint mode. The ceiling structure is connected with the upper edge beam of the outer frame in a screw or tenon-and-mortise mode. The vertical separating surface structure is connected with the side wall structure, the underframe structure and the ceiling structure in a mortise-tenon manner respectively. The front cabin instrument desk structure is connected with the outer frame A column in a mortise-tenon mode. The front cabin instrument desk structure is in threaded connection or welded with the underframe structure. The connecting rib piece is welded with the aluminum alloy underframe structure, the side wall structure, the vertical separation surface structure, the front cabin instrument desk structure and the tongue-and-groove of the ceiling structure. The automobile comprises the structure. The structure has good mechanical property and light weight. The automobile is convenient for modular manufacture and assembly.
2. An automotive body adapting structure; application No.: CN 201210129441.2; (ii) a The applicant: dongguan Zhongshan university research institute, Dongguan Sanxin electric automobile technology Co., Ltd, abstract: the automobile body switching structure comprises a connecting section bar, a side grabbing section bar and a stand column grabbing head; the connecting section comprises a bending part and grabbing parts positioned at two ends of the bending part, each grabbing part comprises two side walls and a bottom wall for connecting the two side walls, the two side walls are provided with inwards extending grabbing hooks, and the bottom wall is provided with a T-shaped hook; the connecting section bar, the edge grabbing section bar and the upright column grabbing head are very convenient and rapid to assemble, installation can be completed only by sliding the multiple T-shaped clamping structure along the notch, and the section bar is light in weight and high in strength of the multiple clamping structure; the insertion part of the upright post grab head can be directly inserted into the cavity of the profile vertical to the edge grabbing profile, so that the connection between the vehicle body wall and the vehicle body switching structure is convenient and rapid.
3. A modularly connected lightweight frame body; application No.: CN 201410021954.0; the applicant: dongguan Zhongshan university research institute, Dongguan Sanxin electric automobile technology Co., Ltd; and (3) abstract: a lightweight frame main body in modular connection comprises a chassis module, a body frame module and a roof frame module, wherein each module is formed by mutually joggling a plurality of longitudinal beams and cross beams; the longitudinal beam, the cross beam and the transfer beam are all profile beams, and the frame is modularly designed through the arrangement of the connecting structure, so that the frame is convenient to manufacture and install, the installation precision is ensured, the production cost is reduced, the appearance is attractive, and the frame achieves the safety standard while realizing light weight.
4. A connecting structure for front and rear faces and a vehicle body frame of a light midbus; application No.: CN 201610610642.2; the applicant: dongguan Zhongshan university research institute, Dongguan Sanxin electric automobile technology Co., Ltd, abstract: a connecting structure of front and rear faces and a body frame of a light-weight minibus is characterized in that a front face covering piece and a rear face covering piece of an automobile are fixedly arranged at the front end and the rear end of a connecting end face framework of the automobile body respectively through connecting flanges; the connecting structure of the front face, the rear face and the vehicle body frame has the following advantages: 1. the connecting flanges connected to the front end and the rear end of the framework of the connecting end surface of the automobile body provide a good connecting structure for connecting the front face and the rear face of the automobile, so that the front face and the rear face of the automobile are conveniently assembled and connected with the automobile body frame, the process is simple, and the strength of the connecting structure is high; 2. the connecting flash can be used as a reinforcing rib structure of the front end surface and the rear end surface of the vehicle body connecting end surface framework, so that the structural strength of the front end surface and the rear end surface of the vehicle body connecting end surface framework is greatly enhanced; 3. the front face and the rear face of the connecting structure are connected with the framework of the connecting end face of the vehicle body, so that the waterproof sealing performance is better; 4. the surfaces of the front and rear face covering pieces are smoothly butted with the surface of the car roof modeling and the surface of the side face.
5. An aluminum alloy side wall structure and an automobile; application No.: CN 201810986348.0; the applicant: wuhan Intelligent control Industrial technology research institute, Inc.; and (3) abstract: an aluminum alloy side wall structure and an automobile belong to the field of automobile lightweight. The structure comprises an outer frame upper edge beam, an outer frame A column, an outer frame C column, an outer frame lower middle edge beam, an outer frame lower front edge beam, an outer frame lower rear edge beam, an upper cross beam, a lower cross beam, a middle cross beam, a door oblique beam, a plurality of stand columns and an inserted connector. The plurality of upright posts are in mortise-tenon connection with the upper cross beam, the lower cross beam, the middle cross beam, the door oblique beam, the upper edge beam of the outer frame, the lower middle edge beam of the outer frame, the lower front edge beam of the outer frame and the lower rear edge beam of the outer frame. The intersection points of the upper beam and the end parts of the outer frame A column and the outer frame C column are connected by inserted joints in a mortise-tenon manner. One end of the lower cross beam is in mortise-tenon joint connection with the door oblique beam through the inserted joint, and the other end of the lower cross beam is in mortise-tenon joint connection with the C column of the outer frame through the inserted joint. The outer frame lower front edge beam and the outer frame A column, the outer frame A column and the outer frame upper edge beam, the outer frame upper edge beam and the outer frame C column, and the outer frame C column and the outer frame lower back edge beam are connected through the inner inserting connectors. The automobile includes the above structure. The lightweight of this structure and this car is effectual.
In summary, the existing aluminum alloy side wall structure needs to continuously improve the performance inside the module and the assembly performance between the modules, and especially for a new frame with a battery tunnel cabin structure, the corresponding side wall structure and the connection mode need to be innovated continuously.
Disclosure of Invention
According to the all-aluminum alloy vehicle mortise-tenon type side wall structure, the aluminum alloy section bar pieces of the side wall are subjected to mortise-tenon connection in modes of mutually penetrating tenons, T-shaped tenons, I-shaped tenons and the like by utilizing the reasonable design on the section of the section bar, and the all-aluminum alloy vehicle mortise-tenon type side wall structure has the advantages of good rigidity, easiness in production and low cost. Meanwhile, the plane area between the upper bottom edge and the lower bottom edge of the bottom of the side wall structure and the side area of the frame are more conveniently connected, and the assembly performance and the mechanical property between the modules are improved.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a full aluminum alloy vehicle mortise-tenon type side wall structure, the side wall includes that side wall boundary beam, lower floorbar and wheel trim frame form the outline, and the inside a plurality of stringcourse crossbeams that set up of outline to and a plurality of vertical stand, be glass installation area between side wall boundary beam and the stringcourse crossbeam, regional installation aluminum alloy ex-trusions panel between floorbar boundary beam and the stringcourse crossbeam.
The side wall frame, the bottom beam and the wheel arch frame form a continuous closed loop, the middle of the closed loop is provided with a longitudinal and transverse support formed by a waist line beam and an upright post, a rigid side wall structure is formed by mortise and tenon connection, and the rod pieces are mutually inserted and stressed, so that the rigidity and the integrity are good.
Parallel transverse connection's web beam still sets up below the stringcourse crossbeam, web beam and stand adopt interlude mortise-tenon joint, web beam both ends and side wall boundary beam adopt T type mortise-tenon joint.
The arrangement of the reinforcing cross beams further enhances the rigidity of the lower part of the side wall structure and provides a foundation for mounting and fixing the profile panel.
The section bar panel is a transverse strip-shaped thin-wall aluminum section bar plate, the back of the section bar panel is provided with a transverse I-shaped rib, and the upper end and the lower end of the section bar panel are provided with splicing notches and convex edges. The I-shaped ribs are used for enhancing the rigidity of the plate body and are tightly pressed on the upright posts; the splicing notches and the convex edges can splice the profile panel up and down end to form a wide profile panel.
The side wall boundary beam is composed of three sections, the front section is bent to form a front A column of the vehicle body, the middle section is a straight line section, and the rear section is bent to form a rear C column of the vehicle body. And inserting cores are arranged at the joints of the two ends of the straight-line section of the three-section side wall boundary beam profile for connection and fixation, so that an I-shaped mortise and tenon structure is formed. The insertion core section bar adopts an adhesive mode to fix the side wall side beam section bars at two ends.
The floor bottom beam and the lower bottom beam are both provided with L-shaped assembling structures, and the edge-closing beam on the frame is lapped and fixed at the vertical edge of the L-shaped structure and is fixed through bolts and rivets.
The cross section of the side wall boundary beam profile is in a fan-like shape, the connecting edges are arranged on the fan-shaped side faces to form a right-angle L-shaped mounting face, and the outer frame longitudinal beam of the top cover boundary beam is fixedly mounted on the right-angle L-shaped mounting face and fixedly sealed by bolts and glue. (ii) a The fan-shaped bottom surface is connected with the upright post through tenon. The sectional material with the fan-shaped section realizes corner transition between the side wall and the roof of the vehicle, has small sectional area and small width, can be produced by using a small-tonnage extruder, does not need the process of bending and forming the sectional material additionally, saves mass production cost and greatly improves the working efficiency; the side wall side beam section is also provided with a groove which is fixedly spliced with the car window glass and the carriage interior trim panel, so that the subsequent assembly is greatly facilitated.
The lower end of the A column of the side wall boundary beam and the wheel arch frame connecting part are provided with end plugs, the section of the wheel arch frame profile is a double-cavity profile, and the wheel arch frame profile is fixedly connected with the end plugs through bolts. The end plugs are arranged to facilitate the screws to be screwed in and fixed, so that the side frame and the wheel arch frame are fixedly connected.
The upright posts are in T-shaped mortise-tenon connection with the side wall boundary beam and the lower bottom beam; the upright posts are connected with the cross beams, the floor bottom beams and the reinforcing cross beams through tenons.
The stand is through strengthening folded plate and two side cooperation and the welded fastening of battery compartment on the frame. The reinforcing folded plate reinforces the positioning action of the front and back directions of the battery compartment and corresponds to the clamping and positioning structure of the bottom beam, so that the position of the battery compartment is more stable. Because the battery of new energy vehicle occupies very big part of vehicle gross weight, closely fix battery compartment and side wall frame is the key, and the battery compartment closely combines through two floorbars and battery compartment below the criss-cross structure of side wall, and the battery compartment still can keep the stability of whole frame and battery compartment under the extreme state such as emergency brake scram under two floorbars upper and lower tight state.
The floor bottom beam and the lower bottom beam are matched with the upper surface and the lower surface of the battery compartment on the frame and are welded and fixed.
The upright post is provided with tenon sleeves at the mortise-tenon joints with the waist line cross beam and the bottom beam. The tenon sleeve has a C-like structure in section, an inner cavity is matched with the outline of the upright post, the lower inserting part of the tenon sleeve is in a tip wedge shape, the upright post to be inserted is inserted into a pre-opening hole of the bottom beam or the cross beam, the aperture of the pre-opening hole is slightly larger than the size of the outline of the upright post, then the tip part of the tenon sleeve is inserted into a gap of insertion, so that the upright post and the insertion hole are tightly plugged without loosening, finally the rod pieces cannot loosen, and the frame is tightly connected without gaps.
The invention has the advantages that:
1. the side wall structure is suitable for small-sized bus models; the side wall structure is characterized in that the inner frameworks of the side wall structure are connected through the mortise and tenon structure, the joints on the side wall outline are simplified into I-shaped inserting joints, the integral rigidity of the side wall module is high, and the assembly and manufacturing process is simple.
2. The connecting area of the side wall module and the frame module realizes the connecting interface between the surface areas, namely the connection is carried out in the surface area between the floor bottom beam and the lower bottom beam, and the assembling rigidity of the side wall is improved. Meanwhile, the floor bottom beam, the lower bottom beam and the upper and lower connecting side beams of the frame are connected through bolts, so that the alternate assembly of mortise and tenon holes is avoided, the end part of the battery tunnel cabin on the frame module is welded and connected with the peripheral structure on the side wall through the connecting side, and the connecting rigidity is further improved.
3. The invention adopts the section panel to replace the traditional aluminum alloy skin or glass fiber skin, realizes the full aluminum alloying, has flat and beautiful appearance, is firmly connected with the side wall framework (the upright post and the crossbeam), further improves the rigidity of the side wall, and adopts the tongue-and-groove embedded connection between the section panel and the upper and lower folded edges to ensure the sealing.
Description of the drawings:
FIG. 1 is a front view structural diagram of the present invention;
FIG. 2 is a sectional view taken along line A-A in FIG. 1;
FIG. 3 is an enlarged view of the point I in FIG. 2;
FIG. 4 is an enlarged view of the structure at II in FIG. 2;
FIG. 5 is an enlarged view of the structure at III in FIG. 2;
FIG. 6 is an enlarged view of the structure at IV in FIG. 2;
FIG. 7 is an enlarged view of the structure at V in FIG. 2;
FIG. 8 is a view of the sectional view B-B in FIG. 1;
FIG. 9 is a view of the cross-section C-C of FIG. 1;
FIG. 10 is a view of the cross-section D-D of FIG. 1;
FIG. 11 is a view of the cross-section E-E in FIG. 1;
FIG. 12 is an enlarged view of the structure at VI in FIG. 11;
FIG. 13 is a view showing a mounting structure of tenon sleeves at the positions of the columns and the beams;
FIG. 14 is a view showing a mounting structure of tenon sleeves at the positions of the columns and the bottom beams;
1. a side wall boundary beam; 11. inserting a core; 12. an end plug; 2. a column; 21. tenon sleeve; 22. glass; 23. a profile panel; 24. edge beam folding; 3. a fascia beam; 4. a reinforcing cross beam; 5. a bottom beam; 51. a floor; 52. a floor bottom beam; 53. a lower bottom beam; 6. a brow rolling frame; 7; a battery compartment; 71. the flaps are reinforced. 8. A roof side rail; 81. and covering the top cover with skin.
Detailed Description
Example 1
A mortise and tenon type side wall structure of an all-aluminum alloy vehicle is characterized in that the side wall comprises a side wall boundary beam 1, a lower bottom beam 53 and a wheel arch frame 6 to form an outer contour, a plurality of waist line cross beams 3 and a plurality of vertical upright posts 2 are arranged in the outer contour, a glass 22 mounting area is arranged between the side wall boundary beam 1 and the waist line cross beams 3, and an aluminum alloy section panel 23 is arranged between a floor bottom beam 52 and the waist line cross beams 3;
a reinforcing cross beam 4 which is connected in parallel and transversely is arranged below the waist line cross beam 3, the reinforcing cross beam 4 and the upright post 2 are connected in an inserting mortise-tenon manner, and two ends of the reinforcing cross beam 4 are connected with the side wall boundary beam 1 in a T-shaped mortise-tenon manner;
the section panel 23 is a transverse strip-shaped thin-wall aluminum section plate, a transverse I-shaped rib is arranged on the back surface of the section panel 23, and splicing notches and convex edges are arranged at the upper end and the lower end of the section panel 23;
the side wall boundary beam 1 is composed of three sections, wherein the front section is bent to form a front A column of the vehicle body, the middle section is a straight line section, and the rear section is bent to form a rear C column of the vehicle body. The three-section side wall boundary beam 1 section bar is provided with inserting cores 11 at the connecting positions of two ends of the straight-line section for connection and fixation to form an I-shaped mortise and tenon structure;
the floor bottom beam 52 and the lower bottom beam 53 are both provided with L-shaped assembling structures, and the edge-closing beam 24 on the frame is lapped and fixed at the vertical edge of the L-shaped structure and is fixed by bolts and rivets;
the section of the side wall boundary beam 1 is in a fan-like shape, the connecting edges are arranged on the side faces of the fan shape to form a right-angle L-shaped mounting surface, and the outer frame longitudinal beam of the top cover boundary beam 8 is fixedly mounted on the right-angle L-shaped mounting surface and is fixedly sealed by bolts and glue. (ii) a The fan-shaped bottom surface is connected with the upright post 2 through a tenon;
the connecting part of the lower end part of the A column of the side surrounding boundary beam 1 and the wheel arch frame 6 is provided with an end plug 12, the section of the wheel arch frame 6 is a double-cavity section, and the section is fixedly connected with the end plug 12 through a bolt.
The upright posts 2 are in T-shaped mortise-tenon connection with the side wall boundary beams 1 and the lower bottom beam 53; the upright posts 2 are in tenon-through connection with the cross beams 3, the floor bottom beams 52 and the reinforcing cross beams 4;
the upright post 2 is matched with two side surfaces of a battery bin 7 on the frame through a reinforcing folded plate 71 and is welded and fixed;
the floor bottom beam 52 and the lower bottom beam 53 are matched with the upper surface and the lower surface of the battery chamber 7 on the frame and are welded and fixed.
The upright post 2 is provided with tenon sleeves 21 at the mortise-tenon joints with the waist line cross beam 3 and the bottom beam 5.
The application example is as follows:
the side wall structure in the embodiment 1 of the invention is made of 6005A-T5 aluminum alloy section bars, the total width is 5800mm, the total height is 2200mm, the total weight of the single-side wall is 62kg, and the manufacturing cost of the single-side wall is 3400 yuan.
Claims (11)
1. The utility model provides an all aluminum alloy vehicle mortise type side wall structure which characterized in that: the side wall comprises a side wall side beam (1), a lower bottom beam (53) and a wheel arch frame (6) to form an outer contour, a plurality of waist line cross beams (3) and a plurality of vertical upright posts (2) are arranged inside the outer contour, a glass (22) mounting area is arranged between the side wall side beam (1) and the waist line cross beams (3), and an aluminum alloy section panel (23) is arranged between the floor bottom beam (52) and the waist line cross beams (3).
2. The all-aluminum alloy vehicle mortise and tenon type side wall structure according to claim 1, characterized in that: parallel transverse connection's web beam (4) still set up below stringcourse crossbeam (3), web beam (4) and stand (2) adopt to alternate mortise-tenon joint, and web beam (4) both ends and side wall boundary beam (1) adopt T type mortise-tenon joint.
3. The all-aluminum alloy vehicle mortise and tenon type side wall structure according to claim 1, characterized in that: the section panel (23) is a transverse strip-shaped thin-wall aluminum section plate, a transverse I-shaped rib is arranged on the back of the section panel (23), and splicing notches and convex edges are arranged at the upper end and the lower end of the section panel (23).
4. The all-aluminum alloy vehicle mortise and tenon type side wall structure according to claim 1, characterized in that: the side wall boundary beam (1) is composed of three sections, wherein the front section is bent to form a front A column of the vehicle body, the middle section is a straight line section, and the rear section is bent to form a rear C column of the vehicle body; the three-section side wall boundary beam (1) section bar is provided with inserting cores (11) at the joint of two ends of the straight section for connection and fixation, and an I-shaped mortise and tenon joint structure is formed.
5. The all-aluminum alloy vehicle mortise and tenon type side wall structure according to claim 1, characterized in that: the floor bottom beam (52) and the lower bottom beam (53) are both provided with L-shaped assembling structures, and the edge-closing beam (24) on the frame is lapped and fixed at the vertical edge of the L-shaped structures and is fixed through bolts and rivets.
6. The all-aluminum alloy vehicle mortise and tenon type side wall structure according to claim 1, characterized in that: the section of the side wall boundary beam (1) is in a fan-like shape, the side face of the fan shape is provided with a connecting edge to form a right-angle L-shaped mounting surface, and an outer frame longitudinal beam of the top cover boundary beam (8) is fixedly mounted on the right-angle L-shaped mounting surface and is fixedly sealed by using bolts and glue; the fan-shaped bottom surface is connected with the upright post (2) through a tenon.
7. The all-aluminum alloy vehicle mortise and tenon type side wall structure according to claim 1, characterized in that: the connecting part of the lower end part of the A column of the side surrounding boundary beam (1) and the wheel arch frame (6) is provided with an end plug (12), the section of the wheel arch frame (6) is a double-cavity section, and the section is fixedly connected with the end plug (12) through a bolt.
8. The all-aluminum alloy vehicle mortise and tenon type side wall structure according to claim 1, characterized in that: the upright posts (2) are in T-shaped mortise-tenon connection with the side wall boundary beams (1) and the lower bottom beam (53); the upright posts (2) are in tenon-through connection with the cross beam (3), the floor bottom beam (52) and the reinforcing cross beam (4).
9. The all-aluminum alloy vehicle mortise and tenon type side wall structure according to claim 1, characterized in that: the upright post (2) is matched with two side surfaces of a battery bin (7) on the frame through a reinforcing folded plate (71) and is welded and fixed.
10. The all-aluminum alloy vehicle mortise and tenon type side wall structure according to claim 1, characterized in that: the floor bottom beam (52) and the lower bottom beam (53) are matched with the upper surface and the lower surface of the battery bin (7) on the frame and are welded and fixed.
11. The all-aluminum alloy vehicle mortise and tenon type side wall structure according to claim 1, characterized in that: the upright post (2) is provided with tenon sleeves (21) at the mortise-tenon joints with the waist line cross beam (3) and the bottom beam (5).
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| CN113879406A (en) * | 2021-10-13 | 2022-01-04 | 江铃汽车股份有限公司 | Novel roof of middle-high top series passenger car and manufacturing method thereof |
| CN114771668A (en) * | 2022-04-12 | 2022-07-22 | 上汽大通房车科技有限公司 | Carriage plate connecting structure and method |
| CN116279849A (en) * | 2023-04-19 | 2023-06-23 | 浙江戴德隆翠汽车有限公司 | Carriage structure of passenger car |
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