CN115285226A - Vehicle body connecting structure and vehicle - Google Patents
Vehicle body connecting structure and vehicle Download PDFInfo
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- CN115285226A CN115285226A CN202210914395.0A CN202210914395A CN115285226A CN 115285226 A CN115285226 A CN 115285226A CN 202210914395 A CN202210914395 A CN 202210914395A CN 115285226 A CN115285226 A CN 115285226A
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- 238000009434 installation Methods 0.000 claims abstract description 30
- 230000002787 reinforcement Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000003466 welding Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000010073 coating (rubber) Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009957 hemming Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D24/00—Connections between vehicle body and vehicle frame
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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
- B62D25/20—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
- 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
- B62D25/2036—Floors or bottom sub-units in connection with other superstructure subunits the subunits being side panels, sills or pillars
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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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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a vehicle body connecting structure and a vehicle, wherein the vehicle body connecting structure comprises a lower vehicle body, an upper vehicle body and a detachable connecting structure; the lower body comprises a battery edge covering beam, and an installation part is arranged on the battery edge covering beam; the upper vehicle body is detachably mounted on the lower vehicle body and comprises a threshold beam, and the threshold beam is provided with a lap joint part for being lapped on the mounting part; the detachable connecting structure comprises a first connecting part and a second connecting part which are correspondingly arranged on the battery edge covering beam and the threshold beam, so that the battery edge covering beam and the threshold beam can be mutually matched and fixed when the lap joint part is lapped on the mounting part; the installation of the lower vehicle body and the upper vehicle body is realized by arranging the vehicle body connecting structure, the structure is simple, and the cost is lower; meanwhile, the detachable connection structure enables part errors of the lower vehicle body and the upper vehicle body during assembly to be absorbed, so that the precision requirement on the size of the part can be reduced, the lower vehicle body and the upper vehicle body can be quickly disassembled and assembled, and the assembly efficiency of the lower vehicle body and the upper vehicle body is improved.
Description
Technical Field
The invention relates to the technical field of vehicle body structures, in particular to a vehicle body connecting structure and a vehicle.
Background
The intelligent promotion of the automobile brings the decoupling of software and hardware, the hardware is standardized, replaceable and upgradable, and the center of gravity is concentrated on the software development. The trend is that the power battery is standardized as much as possible, then the electric quantity can be expanded, upgraded or replaced according to scenes and requirements, parts such as a motor, an electric control part, a DC/DC part, a charger OBC part and the like are further integrated in the chassis, the complete independence of the chassis or power domain hardware is realized, and the key points are that a power assembly, a chassis system, a battery system and an electric system are integrated in an integrated lower body structure of a lower body and a connecting structure between the integrated lower body structure and an upper body.
The installation structure of the integrated lower vehicle body and the integrated upper vehicle body has various structures, the prior traditional scheme is that the chassis is integrally assembled on a BIW (body in white assembly), the connection scheme is not different from the prior assembly mode, only a power battery and a control module are added to the chassis assembly, and the connection of the body in white still adopts the prior welding, gluing and other processes. Because the welding spot and the rubber coating that the connected mode of welding commonly used applied in manufacturing process are more, when facing platform motorcycle type production manufacturing, motorcycle type annual transfer etc. demand, will produce the big amount cost expenditure of line of adjustment. Meanwhile, the existing upper and lower body structures are usually connected by welding, cannot absorb manufacturing tolerance, have high requirements on the dimensional precision of parts, and cannot meet the requirements on quick installation and switching.
Disclosure of Invention
The invention mainly aims to provide a vehicle body connecting structure and a vehicle, and aims to solve the problems that the existing upper and lower vehicle bodies are high in assembling cost and cannot be quickly replaced.
To achieve the above object, the present invention provides a vehicle body connecting structure including:
the lower vehicle body comprises a battery pack edge beam, and an installation part is arranged on the battery pack edge beam;
the upper car body is detachably mounted on the lower car body and comprises a threshold beam, and the threshold beam is provided with a lap joint part for being lapped on the mounting part; and (c) a second step of,
can dismantle connection structure, locate including corresponding the branch the battery bordure with the first connecting portion and the second connecting portion of threshold roof beam, with overlap joint portion overlap joint in during the installation department, can mutually support fixedly the battery bordure with the threshold roof beam.
Optionally, the threshold beam comprises:
the middle part of the sill beam inner plate is bent towards one side of the battery edge covering beam to form an inner plate convex part, and the inner plate convex part is connected with the mounting part; and (c) a second step of,
the threshold beam outer plate is arranged on one side, back to the battery edge wrapping beam, of the threshold beam inner plate, the middle of the threshold beam outer plate is bent towards one side, back to the threshold beam inner plate, to form an outer plate convex part, and the outer plate convex part and the inner plate convex part are arranged correspondingly, so that a threshold beam cavity is formed by enclosing the threshold beam inner plate and the two opposite side end faces of the threshold beam outer plate;
wherein the lap joint portion includes the inner convex portion.
Optionally, a first avoidance portion is formed at a position, close to the bottom, of the side portion of the inner plate convex portion, and the first avoidance portion is recessed towards the inner side of the sill beam cavity and used for avoiding and accommodating the mounting portion;
the bottom of inner panel convex part just is formed with the second in the position department of being close to its lateral part and dodges the portion, the second dodges the portion orientation the inboard of threshold roof beam cavity is sunken setting for dodge and hold the installation department.
Optionally, in the up-down direction, the battery pack edge beam and the mounting portion are respectively provided with a first through hole and a second through hole which are communicated with each other;
the detachable connection structure includes:
the mounting nut is arranged along the vertical direction, is arranged on the inner wall of the sill beam cavity and corresponds to the position of the first avoidance part; and (c) a second step of,
the mounting bolt is arranged on the battery edge covering beam, and the threaded end of a screw rod of the mounting bolt sequentially penetrates through the first through hole and the second through hole and is in threaded connection with the mounting nut;
wherein, first connecting portion include mounting nut corresponds, second connecting portion include the mounting bolt.
Optionally, the detachable connection structure further comprises a nut reinforcing plate, the nut reinforcing plate is close to one side of the inner sill beam plate, and the nut reinforcing plate is attached to the inner wall of the sill beam cavity and extends to the outer side of the installation nut to be connected with the outer side of the installation nut.
Optionally, the threshold roof beam still includes the side wall planking, the side wall planking is located the threshold roof beam planking is back to one side of threshold roof beam inner panel, the side wall planking is corresponding the position department of planking convex part is to back to one side bending type of threshold roof beam planking forms the planking and dodges the groove for dodge and hold the planking convex part.
Optionally, the battery hemming beam includes:
the side beam outer plate comprises an outer plate body which is vertically arranged, and the upper end and the lower end of the outer plate body are respectively bent and extended towards one side back to the threshold beam to form an upper plate and a lower plate;
the boundary beam inner plate is vertically arranged, and the upper end and the lower end of the boundary beam inner plate are respectively connected with the upper plate and the lower plate so as to jointly enclose to form a boundary beam cavity; and the number of the first and second groups,
the supporting plate is arranged on the end face, facing the overlapping part, of the upper plate, and the middle of the supporting plate is bent and protruded towards one side of the overlapping part to form a supporting boss;
wherein part of the lap joint part is lapped on the support boss;
the mounting portion includes the support plate.
Optionally, the detachable connection structure comprises a mounting nut and a mounting bolt which are matched with each other through threads, and the mounting nut is arranged on the threshold beam and corresponds to the lap joint part;
the outer plate body is arranged at a position close to the lower plate and is sunken towards the inner side of the boundary beam cavity so as to form a boundary beam avoiding groove;
a first through hole is formed in the upper side wall of the side beam avoiding groove, corresponds to the mounting nut and extends upwards to penetrate through the upper plate;
a second through hole communicated with the first through hole is formed in the supporting boss;
the head of the mounting bolt is arranged in the side beam avoiding groove, and the threaded end of the screw rod of the mounting bolt sequentially penetrates through the first through hole and the second through hole and is in threaded connection with the mounting nut.
Optionally, the detachable connection structure further comprises a support structure, the support structure comprising:
the supporting sleeve is arranged in the boundary beam cavity in the vertical direction and is arranged at a position corresponding to the boundary beam avoiding groove, the upper end of the supporting sleeve is connected with the upper plate, and the lower end of the supporting sleeve is connected with the inner wall of the boundary beam cavity; and the number of the first and second groups,
the two sleeve supporting plates are arranged in the boundary beam cavity in the vertical direction and correspond to the boundary beam avoiding groove, the two sleeve supporting plates are respectively arranged on two sides of the supporting sleeve in the radial direction, and each sleeve supporting plate is arranged between the upper plate and the inner wall of the boundary beam cavity.
The present invention also provides a vehicle including a vehicle body attachment structure, the vehicle body attachment structure including:
the lower vehicle body comprises a battery edge covering beam, and an installation part is arranged on the battery edge covering beam;
the upper car body is detachably mounted on the lower car body and comprises a threshold beam, and the threshold beam is provided with a lap joint part for being lapped on the mounting part; and the number of the first and second groups,
can dismantle connection structure, locate including corresponding the branch the battery bordure with the first connecting portion and the second connecting portion of threshold roof beam, with overlap joint portion overlap joint in during the installation department, can mutually support fixedly the battery bordure with the threshold roof beam.
In the technical scheme of the invention, the vehicle body connecting structure comprises a lower vehicle body, an upper vehicle body and a detachable connecting structure, wherein an installation part is arranged on a battery wrapping beam of the lower vehicle body, a threshold beam of the upper vehicle body is provided with a lapping part, the lapping part is lapped on the installation part, the detachable connecting structure comprises a first connecting part and a second connecting part, and when the lapping part is lapped on the installation part, the first connecting part and the second connecting part are mutually matched to fix the battery wrapping beam and the threshold beam; the lower vehicle body and the upper vehicle body are mounted by arranging the vehicle body connecting structure, so that the structure is simple, the assembly is convenient and fast, and the cost is low; simultaneously through setting up detachable connection structure makes lower automobile body with go up the part error of automobile body when the assembly can be absorbed to reduce the required precision to the part size, thereby can realize lower automobile body with go up the quick assembly disassembly of automobile body, make lower automobile body with the dismouting change of going up the automobile body is more convenient, also just satisfies under the prerequisite of whole car performance, improves lower automobile body with go up the assembly efficiency of automobile body, and then reduces lower automobile body with go up the assembly cost of automobile body.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a vehicle body attachment structure provided by the present invention;
fig. 2 is a schematic structural view of the battery containment beam of fig. 1 (from another perspective).
The embodiment of the invention is illustrated by reference numerals:
the implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, back, 8230; etc.) are involved in the embodiment of the present invention, the directional indications are only used for explaining the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The installation structure of the integrated lower vehicle body and the integrated upper vehicle body has various structures, the conventional scheme is that the chassis is integrally assembled on a BIW (body in white assembly), the connection scheme is not different from the conventional assembly mode, only a power battery and a control module are added to the chassis assembly, and the body in white is connected by adopting the conventional processes of welding, gluing and the like. Because the welding spot and the rubber coating that the connected mode of welding commonly used applied in manufacturing process are more, when facing platform motorcycle type production manufacturing, motorcycle type annual transfer etc. demand, will produce the big amount cost expenditure of line of adjustment. Meanwhile, the existing upper and lower body structures usually adopt a welding connection mode, cannot absorb manufacturing tolerance, have high requirements on the dimensional precision of parts, and cannot meet the requirements on quick installation and switching.
In view of this, the invention provides a vehicle body connecting structure and a vehicle. Fig. 1 to 2 show an embodiment of a vehicle body connecting structure according to the present invention.
Referring to fig. 1 to 2, the vehicle body connecting structure 100 includes a lower vehicle body 1, an upper vehicle body 2 and a detachable connecting structure 3; the lower car body 1 comprises a battery binding beam 11, and an installation part is arranged on the battery binding beam 11; the upper car body 2 is detachably mounted on the lower car body 1, the upper car body 2 comprises a threshold beam 21, and the threshold beam 21 is provided with a lap joint part for being lapped on the mounting part; can dismantle connection structure 3 is located including corresponding the branch battery package boundary beam 11 with threshold roof beam 21's first connecting portion and second connecting portion, with overlap joint portion overlap joint in during the installation department, can mutually support fixedly battery package boundary beam 11 with threshold roof beam 21.
In the technical scheme of the invention, the vehicle body connecting structure 100 comprises a lower vehicle body 1, an upper vehicle body 2 and a detachable connecting structure 3, wherein an installation part is arranged on a battery wrapping edge beam 11 of the lower vehicle body 1, a threshold beam 21 of the upper vehicle body 2 is provided with a lapping part, the lapping part is lapped on the installation part, the detachable connecting structure 3 comprises a first connecting part and a second connecting part, and when the lapping part is lapped on the installation part, the first connecting part and the second connecting part are matched with each other to fix the battery wrapping edge beam 11 and the threshold beam 21; the installation of the lower vehicle body 1 and the upper vehicle body 2 is realized by arranging the vehicle body connecting structure 100, the structure is simple, the assembly is convenient and fast, and the cost is low; simultaneously through setting up detachable connection structure 3 makes lower automobile body 1 with go up the part error of automobile body 2 when the assembly can be absorbed to reduce the required precision to the part size, thereby can realize lower automobile body 1 with go up the quick assembly disassembly of automobile body 2, make lower automobile body 1 with it is more convenient to go up the dismouting change of automobile body 2, also just satisfies under the prerequisite of whole car performance, improves lower automobile body 1 with go up the assembly efficiency of automobile body 2, and then reduce lower automobile body 1 with go up the assembly cost of automobile body 2.
Specifically, the rocker beam 21 includes a rocker inner panel 211 and a rocker outer panel 212; an inner convex part 213 is formed by bending the middle part of the threshold beam inner plate 211 towards one side of the battery edge covering beam 11, and the inner convex part 213 is connected with the mounting part; the rocker outer plate 212 is arranged on one side, back to the battery edge wrapping beam 11, of the rocker inner plate 211, the middle of the rocker inner plate 211 is bent towards one side, back to the rocker inner plate 211, to form an outer plate convex part 214, and the outer plate convex part 214 and the inner plate convex part 213 are correspondingly arranged, so that a rocker cavity 215 is formed by enclosing the end faces of the two opposite sides of the rocker inner plate 211 and the rocker outer plate 212; wherein the lap joint portion includes the inner panel convex portion 213; so set up, simple structure.
Specifically, a first escape portion is formed at a position on a side portion of the inner panel convex portion 213 near the bottom thereof, and the first escape portion is recessed toward the inner side of the rocker beam cavity 215 and is used for avoiding and accommodating the mounting portion; a second avoiding portion is formed at a position close to the side portion of the bottom of the inner plate convex portion 213, and the second avoiding portion is recessed toward the inner side of the sill beam cavity 215 and is used for avoiding and accommodating the mounting portion; that is, in the case where the inner convex portion 213 is provided with the first escape portion and the second escape portion that escape to accommodate the mounting portion, the rocker beam 21 in this embodiment provides more space for the installation of the battery rocker 11 than the conventional rocker beam 21 structure.
In the present invention, further referring to fig. 1, in the up-down direction, the battery surrounding beam 11 and the mounting portion are respectively provided with a first through hole and a second through hole 117 which are communicated with each other; the detachable connecting structure 3 comprises a mounting nut 31 and a mounting bolt 32; the mounting nut 31 is arranged along the vertical direction, is arranged on the inner wall of the sill beam cavity 215 and corresponds to the position of the first avoidance part; the mounting bolt 32 is arranged on the battery edge covering beam 11, and the threaded end of the screw rod of the mounting bolt sequentially penetrates through the first through hole and the second through hole 117 and is in threaded connection with the mounting nut 31; wherein the first connecting portion comprises the mounting nut 31, and correspondingly, the second connecting portion comprises the mounting bolt 32; so configured, first, the mounting nut 31 is located on the inner wall of the rocker cavity 215, which provides more space for the battery rocker 11 to be mounted; secondly, go up automobile body 2 with adopt threaded connection structure between the automobile body 1 down, can realize quick assembly disassembly, improve maintainability.
Specifically, the detachable connecting structure 3 further comprises a nut reinforcement plate 33, and on one side close to the rocker inner plate 211, the nut reinforcement plate 33 is attached to the inner wall of the rocker cavity 215 and extends to be connected with the outer side of the mounting nut 31; by providing the nut reinforcement 33 on the inner wall of the rocker beam cavity 215, a strong mounting point is provided for subsequent installation.
In the present invention, the rocker beam 21 further comprises a side-surrounding outer panel 216, the side-surrounding outer panel 216 is disposed on a side of the rocker outer panel 212 facing away from the rocker inner panel 211, and the side-surrounding outer panel 216 is bent at a position corresponding to the outer panel convex portion 214 toward a side facing away from the rocker outer panel 212 to form an outer panel avoiding groove for avoiding and accommodating the outer panel convex portion 214; so set up, simple structure, the assembly is convenient, can also improve threshold roof beam 21's intensity.
In the present invention, referring again to fig. 1, the battery edge-wrapping beam 11 includes an outer side beam plate 111, an inner side beam plate 114, and a support plate 116; the side sill outer plate 111 comprises an outer plate body 1111 which is arranged in a vertical mode, and the upper end and the lower end of the outer plate body 1111 are bent and extended towards one side back to the threshold beam 21 respectively to form an upper plate 112 and a lower plate 113; the side beam inner plate 114 is arranged vertically, and the upper end and the lower end of the side beam inner plate are respectively connected with the upper plate 112 and the lower plate 113 so as to jointly enclose and form a side beam cavity 115; the supporting plate 116 is arranged on the end surface of the upper plate 112 facing the overlapping part, and the middle part of the supporting plate 116 is bent and protruded towards one side of the overlapping part to form a supporting boss 1161; wherein part of the overlapping part overlaps the support boss 1161; the mounting portion includes the support plate 116; so set up, simple structure, the equipment is convenient.
Specifically, the battery pack edge beam 11 further includes a battery pack upper cover plate and a battery pack lower cover plate, the battery pack upper cover plate is overlapped with the upper plate 112, and the battery pack lower cover plate is overlapped with the lower plate 113.
It should be noted that, in this embodiment, the installation department includes backup pad 116, the overlap joint portion includes interior plate protrusion 213, in assembly process, interior plate protrusion 213 with support boss 1161 terminal surface offsets, that is to say, interior plate protrusion 213 overlap joint in support boss 1161 is last, this moment, go up automobile body 2 with all there is the design clearance between other regions of automobile body 1 down, so, can avoid go up automobile body 2 with the zero cooperation of pasting of automobile body 1 large tracts of land down to can effectively eliminate because of manufacturing error and lead to the problem of matcing the difficulty, can effectually shorten near the size chain of mounting point, and then improve whole matching accuracy.
Specifically, the detachable connecting structure 3 comprises a mounting nut 31 and a mounting bolt 32 which are matched with each other in a threaded manner, wherein the mounting nut 31 is arranged on the threshold beam 21 and is arranged corresponding to the lap joint part; the outer plate body 1111 is arranged at a position close to the lower plate 113 and is recessed towards the inner side of the boundary beam cavity 115 to form a boundary beam avoiding groove 1112; a first through hole is formed in the upper side wall of the side beam avoiding groove 1112, and the first through hole is arranged corresponding to the mounting nut 31 and extends upwards to penetrate through the upper plate 112; a second through hole 117 communicated with the first through hole is formed in the support boss 1161; the head of the mounting bolt 32 is arranged in the side beam avoiding groove 1112, and the threaded end of the screw rod of the mounting bolt passes through the first through hole and the second through hole 117 in sequence and is in threaded connection with the mounting nut 31; according to the arrangement, firstly, the upper vehicle body 2 and the lower vehicle body 1 adopt a threaded connection structure, so that quick assembly and disassembly can be realized, and the maintainability is improved; secondly, it should be noted that the second connecting portion is disposed on the battery containment beam 11, and the boundary beam outer plate 111 of the battery containment beam 11 has a large height in the vertical direction, which is not beneficial to optimizing the length and the structural strength of the mounting bolt 32; and in this embodiment, planking body 1111 is close to position department orientation of hypoplastron 113 the inboard of boundary beam cavity 115 is sunken setting, in order to form the groove 1112 is dodged to the boundary beam, the head of construction bolt 32 is located the groove 1112 is dodged to the boundary beam, and the thread end of its screw rod passes in proper order first through-hole with second through-hole 117 can effectively shorten construction bolt 32's length, thereby improves the whole installation intensity of detachable connection structure 3.
It should be noted that the first through hole and the second through hole 117 both adopt a via hole design; thus, manufacturing errors can be effectively absorbed.
The detachable connection structure 3 further comprises a support structure 34, the support structure 34 comprising a support sleeve 341 and two sleeve support plates 342; the supporting sleeve 341 is disposed in the boundary beam cavity 115 along the vertical direction, and is disposed at a position corresponding to the boundary beam avoiding groove, the upper end of the supporting sleeve is connected to the upper plate 112, and the lower end of the supporting sleeve is connected to the inner wall of the boundary beam cavity 115; the two sleeve supporting plates 342 are arranged in the boundary beam cavity 115 in the vertical direction and are arranged at positions corresponding to the boundary beam avoiding grooves, the two sleeve supporting plates 342 are respectively arranged at two sides of the supporting sleeve 341 in the radial direction, and each sleeve supporting plate 342 is arranged between the upper plate 112 and the inner wall of the boundary beam cavity 115; through setting up bearing structure 34 can effectively avoid appearing in the tight in-process of construction bolt 32, because of boundary beam planking 111 is in boundary beam cavity 115 department conquassation leads to the problem of construction bolt 32 moment of torsion decay or even inefficacy, thereby improves detachable connection structure 3's whole installation intensity.
The present invention further provides a vehicle, where the vehicle includes a vehicle body connecting structure 100, and it should be noted that the vehicle body connecting structure 100 is configured as the vehicle body connecting structure 100, that is, the vehicle includes all technical features of all embodiments of the vehicle body connecting structure 100, that is, all technical effects brought by all technical features, and details are not repeated herein.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A vehicle body connecting structure characterized by comprising:
the lower vehicle body comprises a battery pack edge beam, and an installation part is arranged on the battery pack edge beam;
the upper car body is detachably mounted on the lower car body and comprises a threshold beam, and the threshold beam is provided with a lap joint part for lap joint on the mounting part; and the number of the first and second groups,
can dismantle connection structure, locate including corresponding the branch the battery bordure with the first connecting portion and the second connecting portion of threshold roof beam, with overlap joint portion overlap joint in during the installation department, can mutually support fixedly the battery bordure with the threshold roof beam.
2. The vehicle body attachment structure according to claim 1, wherein the rocker beam includes:
the middle part of the sill beam inner plate is bent towards one side of the battery edge covering beam to form an inner plate convex part, and the inner plate convex part is connected with the mounting part; and the number of the first and second groups,
the threshold beam outer plate is arranged on one side, back to the battery edge wrapping beam, of the threshold beam inner plate, the middle of the threshold beam outer plate is bent towards one side, back to the threshold beam inner plate, to form an outer plate convex part, and the outer plate convex part and the inner plate convex part are arranged correspondingly, so that a threshold beam cavity is formed by enclosing the threshold beam inner plate and the two opposite side end faces of the threshold beam outer plate;
wherein the lap joint portion includes the inner convex portion.
3. The vehicle body connecting structure according to claim 2, wherein a first escape portion is formed at a side portion of the inner convex panel portion near a bottom portion thereof, the first escape portion being recessed toward an inner side of the rocker beam cavity for escape accommodating the mounting portion;
the bottom of inner panel convex part just is formed with the second in the position department of being close to its lateral part and dodges the portion, the second dodges the portion orientation the inboard of threshold roof beam cavity is sunken setting for dodge and hold the installation department.
4. The vehicle body connecting structure according to claim 3, wherein in an up-down direction, the battery surrounding beam and the mounting portion are respectively provided with a first through hole and a second through hole which are communicated with each other;
the detachable connection structure includes:
the mounting nut is arranged along the vertical direction, is arranged on the inner wall of the doorsill beam cavity and corresponds to the position of the first avoidance part; and the number of the first and second groups,
the mounting bolt is arranged on the battery edge covering beam, and the threaded end of a screw rod of the mounting bolt sequentially penetrates through the first through hole and the second through hole and is in threaded connection with the mounting nut;
wherein, first connecting portion include mounting nut corresponds, second connecting portion include the mounting bolt.
5. The vehicle body attachment structure of claim 4 wherein said detachable attachment structure further includes a nut reinforcement panel attached to an inner wall of said rocker cavity on a side adjacent to said rocker inner panel and extending to engage an outer side of said mounting nut.
6. The vehicle body connecting structure according to claim 2, wherein the rocker further includes an outer side panel, the outer side panel is disposed on a side of the rocker panel opposite to the inner rocker panel, and the outer side panel is bent at a position corresponding to the outer panel protrusion to a side opposite to the outer rocker panel to form an outer panel avoiding groove for avoiding and accommodating the outer panel protrusion.
7. The vehicle body attachment structure according to claim 1, wherein the battery-covered rail includes:
the side beam outer plate comprises an outer plate body which is vertically arranged, and the upper end and the lower end of the outer plate body are respectively bent and extended towards one side back to the threshold beam to form an upper plate and a lower plate;
the boundary beam inner plate is vertically arranged, and the upper end and the lower end of the boundary beam inner plate are respectively connected with the upper plate and the lower plate and used for jointly enclosing to form a boundary beam cavity; and (c) a second step of,
the supporting plate is arranged on the end face, facing the overlapping part, of the upper plate, and the middle of the supporting plate is bent and protruded towards one side of the overlapping part to form a supporting boss;
wherein part of the lap joint part is lapped on the support boss;
the mounting portion includes the support plate.
8. The vehicle body attachment structure according to claim 7, wherein the detachable attachment structure includes a mounting nut and a mounting bolt that are screw-fitted, the mounting nut being provided to the rocker beam and being provided in correspondence with the lap joint;
the outer plate body is arranged at a position close to the lower plate and is sunken towards the inner side of the boundary beam cavity so as to form a boundary beam avoiding groove;
a first through hole is formed in the upper side wall of the side beam avoiding groove, corresponds to the mounting nut and extends upwards to penetrate through the upper plate;
a second through hole communicated with the first through hole is formed in the supporting boss;
the head of the mounting bolt is arranged on the side beam avoiding groove, and the threaded end of the screw rod sequentially penetrates through the first through hole and the second through hole and is in threaded connection with the mounting nut.
9. The vehicle body attachment structure of claim 8 wherein said detachable attachment structure further comprises a support structure, said support structure comprising:
the supporting sleeve is arranged in the boundary beam cavity in the vertical direction and is arranged at a position corresponding to the boundary beam avoiding groove, the upper end of the supporting sleeve is connected with the upper plate, and the lower end of the supporting sleeve is connected with the inner wall of the boundary beam cavity; and (c) a second step of,
the two sleeve supporting plates are arranged in the boundary beam cavity in the vertical direction and correspond to the boundary beam avoiding groove, the two sleeve supporting plates are respectively arranged on two sides of the supporting sleeve in the radial direction, and each sleeve supporting plate is arranged between the upper plate and the inner wall of the boundary beam cavity.
10. A vehicle characterized by comprising the vehicle body connection structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210914395.0A CN115285226A (en) | 2022-07-29 | 2022-07-29 | Vehicle body connecting structure and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210914395.0A CN115285226A (en) | 2022-07-29 | 2022-07-29 | Vehicle body connecting structure and vehicle |
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| CN202210914395.0A Pending CN115285226A (en) | 2022-07-29 | 2022-07-29 | Vehicle body connecting structure and vehicle |
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