CN112278092A - Rear shelf connecting structure for vehicle and vehicle - Google Patents
Rear shelf connecting structure for vehicle and vehicle Download PDFInfo
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- CN112278092A CN112278092A CN202011075125.2A CN202011075125A CN112278092A CN 112278092 A CN112278092 A CN 112278092A CN 202011075125 A CN202011075125 A CN 202011075125A CN 112278092 A CN112278092 A CN 112278092A
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- rear shelf
- plate
- vertical plate
- horizontal plate
- horizontal
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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
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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
Abstract
The invention discloses a rear shelf connecting structure for a vehicle and the vehicle, wherein the rear shelf connecting structure comprises: a rear shelf assembly, the rear shelf assembly comprising: the rear shelf and the rear shelf reinforcing plate define a first chamber; a rear shelf support assembly, the rear shelf support assembly comprising: the rear shelf board connecting plate supporting plate and the rear shelf board reinforcing plate supporting plate define a second chamber; the rear shelf support assembly is arranged at the left end and the right end of the rear shelf assembly, and the rear shelf support assembly is at least partially overlapped with the rear shelf assembly and is fixed by bonding and welding. According to the rear shelf connecting structure, the rear shelf assembly and the rear shelf supporting assembly are fixed through bonding and welding, so that the structural strength of the rear shelf connecting structure is improved, and the torsional abnormal sound of the rear shelf connecting structure can be effectively reduced.
Description
Technical Field
The invention relates to the field of vehicles, in particular to a rear shelf connecting structure for a vehicle and the vehicle.
Background
In the related art, the rear shelf assembly is one of the assembly parts of the upper body of the vehicle body, has more bearing parts and is also a place which is easy to cause problems in design, and the assembly plays an important role in the performance of resisting torsion, bending and the like of the vehicle body. If the connection mode of the rear shelf is unreasonable, problems such as welding spot cracking, metal plate cracking, abnormal sound and the like can occur in a road test. In the prior art, the rear shelf assembly and the rear shelf support assembly are fixed by spot welding or two-time welding, excessive welding through holes are required to be designed at the joint by adopting a spot welding mode, the integrity of a structural ring of the rear shelf area is damaged, and the structural strength and the durability are reduced; the welding is unstable by adopting a connection mode of two-protection welding, so that the defects of welding cracks, incomplete penetration, slag inclusion, air holes and the like are easily generated, stress concentration is generated, the fatigue strength is reduced, and the metal plate is cracked and brittle-broken; if the positioning or metal plate error is large, the second welding electrode is easy to be welded; and the rear shelf is made of thin plates, so that the rear shelf is easily welded through and cannot ensure the welding quality.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a rear shelf connecting structure, in which a rear shelf assembly is fixed to a rear shelf support assembly by bonding and welding, so that the structural strength of the rear shelf connecting structure is improved, and the torsional abnormal sound of the rear shelf connecting structure can be effectively reduced.
The invention also provides a vehicle with the rear shelf connecting structure.
The rear shelf connecting structure for a vehicle according to the present invention includes: a rear shelf assembly, the rear shelf assembly comprising: the rear shelf and the rear shelf reinforcing plate define a first chamber; a rear shelf support assembly, the rear shelf support assembly comprising: the rear shelf board connecting plate supporting plate and the rear shelf board reinforcing plate supporting plate define a second chamber; the rear shelf support assembly is arranged at the left end and the right end of the rear shelf assembly, and the rear shelf support assembly is at least partially overlapped with the rear shelf assembly and is fixed by bonding and welding.
According to the rear shelf connecting structure, the rear shelf assembly and the rear shelf support plate assembly are bonded and welded after being lapped, so that the connecting strength between the rear shelf assembly and the rear shelf support assembly is improved, abnormal sound between the rear shelf assembly and the rear shelf support assembly is reduced, cracking, abnormal sound and the like between the rear shelf assembly and the rear shelf support plate are effectively prevented, the torsional strength of a vehicle body is effectively improved, and the stability and the reliability of the vehicle body are improved.
According to one embodiment of the present invention, the rear shelf includes: the first horizontal plate and the first vertical plate are arranged at the front end of the first horizontal plate and extend downwards; the rear shelf reinforcing plate includes: the second horizontal plate is spaced from the first horizontal plate and connected with the first vertical plate, and the second vertical plate is spaced from the first vertical plate and connected with the first horizontal plate; the first horizontal plate, the first vertical plate, the second horizontal plate, and the second vertical plate define the first chamber.
According to one embodiment of the present invention, the rear shelf gusset includes: the third horizontal plate and a third vertical plate are arranged at the front end of the third horizontal plate and extend downwards; the back shelf reinforcing plate fagging includes: the fourth horizontal plate is spaced from the third horizontal plate and connected with the third vertical plate, and the fourth vertical plate is spaced from the third vertical plate and connected with the third horizontal plate; the third horizontal plate, the third vertical plate, the fourth horizontal plate, and the fourth vertical plate define the second chamber.
According to an embodiment of the present invention, the first horizontal plate is disposed on an upper side of the third horizontal plate, and a first adhesive layer is disposed between the first horizontal plate and the third horizontal plate, the first vertical plate is disposed on a front side of the third vertical plate, and a second adhesive layer is disposed between the first vertical plate and the third vertical plate.
According to an embodiment of the present invention, the second horizontal plate is disposed on an upper side of the fourth horizontal plate, and a third adhesive layer is disposed between the second horizontal plate and the fourth horizontal plate, and the second vertical plate is disposed on a front side of the fourth vertical plate, and a fourth adhesive layer is disposed between the second vertical plate and the fourth vertical plate.
According to an embodiment of the present invention, at least one of between the first horizontal plate and the third horizontal plate, between the first vertical plate and the third vertical plate, between the second horizontal plate and the fourth horizontal plate, and between the second vertical plate and the fourth vertical plate is fixed by welding.
According to one embodiment of the present invention, the rear shelf support assembly is also fixedly coupled to the rear shelf assembly by fasteners.
According to an embodiment of the invention, at least one of the first horizontal plate and the third horizontal plate, the first vertical plate and the third vertical plate, the second horizontal plate and the fourth horizontal plate, and the second vertical plate and the fourth vertical plate is fixedly connected by a fastener.
According to one embodiment of the present invention, the first horizontal plate and the third horizontal plate, the first vertical plate and the third vertical plate, and the second horizontal plate and the fourth horizontal plate are welded and fixed, and the second vertical plate and the fourth vertical plate are fixedly connected by a fastener.
The vehicle according to the present invention is briefly described below.
According to the vehicle provided with the rear shelf connecting structure of the embodiment, the vehicle provided with the rear shelf structure is high in sheet metal structure strength, the sheet metal is not prone to cracking, the sheet metal has good torsional strength, and the risk of torsional abnormal sound in the vehicle body is reduced.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is an exploded schematic view of a rear shelf attachment structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of a rear shelf attachment structure according to an embodiment of the present invention;
FIG. 3 is a partial schematic view of a rear shelf attachment structure according to an embodiment of the present invention;
FIG. 4 is a schematic illustration of the structure at the junction of the rear shelf assembly and the rear shelf support assembly in accordance with an embodiment of the present invention;
FIG. 5 is a mechanical analysis diagram of the rear shelf structure;
FIG. 6 is a schematic view of the bonding between the rear shelf and the rear shelf gusset in accordance with an embodiment of the present invention.
Reference numerals:
the rear shelf connecting structure 1 is provided with a rear shelf,
a rear shelf assembly 11, a rear shelf 111, a first horizontal plate 111a, a first vertical plate 111b, a rear shelf reinforcing plate 112, a second horizontal plate 112a, a second vertical plate 112b,
a rear shelf support assembly 12, a rear shelf connecting plate supporting plate 121, a third horizontal plate 121a, a third vertical plate 121b, a rear shelf reinforcing plate supporting plate 122, a fourth horizontal plate 122a, a fourth vertical plate 122b, and a rear shelf connecting plate 123;
the device comprises a fastener 101, a welding through hole 102, a positioning hole 103, a fastening installation hole 104, a fastener through hole 105 and an adhesive surface 106.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A rear shelf connecting structure 1 for a vehicle according to an embodiment of the present invention will be described with reference to fig. 1 to 4.
As shown in fig. 1, the rear shelf connecting structure 1 for a vehicle according to the present invention includes a rear shelf assembly 11 and a rear shelf support assembly 12, the rear shelf assembly 11 including a rear shelf 111 and a rear shelf reinforcing plate 112, the rear shelf 111 and the rear shelf reinforcing plate 112 defining a first chamber; the rear shelf support assembly 12 comprises a rear shelf connecting plate supporting plate 121 and a rear shelf reinforcing plate supporting plate 122, and the rear shelf connecting plate supporting plate 121 and the rear shelf reinforcing plate supporting plate 122 define a second chamber; wherein the rear shelf support assembly 12 is disposed at the left and right ends of the rear shelf assembly 11, and the rear shelf support assembly 12 is at least partially overlapped with the rear shelf assembly 11 and fixed by bonding and welding.
In the related art, the rear shelf assembly is one of the assembly parts of the upper body of the vehicle body, has more bearing parts and is also a place which is easy to cause problems in design, and the assembly plays an important role in the performance of resisting torsion, bending and the like of the vehicle body. If the connection mode of the rear shelf is unreasonable, problems such as welding spot cracking, metal plate cracking, abnormal sound and the like can occur in a road test, and if too many welding through holes 102 are designed at the connection position, the structural strength and the durability can be reduced. In the prior art, the rear shelf assembly and the rear shelf support assembly are fixed by spot welding or secondary welding, excessive welding through holes are required to be designed at the joint by adopting a spot welding mode, the integrity of a structural ring of the rear shelf area is damaged, and the structural strength and the durability are reduced; the welding is unstable by adopting a connection mode of two-protection welding, so that the defects of welding cracks, incomplete penetration, slag inclusion, air holes and the like are easily generated, stress concentration is generated, the fatigue strength is reduced, and the metal plate is cracked and brittle-broken; if the positioning or metal plate error is large, the second welding electrode is easy to be welded; and the rear shelf is made of thin plates, so that the rear shelf is easily welded through and cannot ensure the welding quality.
According to the rear shelf connecting structure 1, the rear shelf assembly 11 and the rear shelf support assembly 12 are bonded and welded after being lapped, so that the connecting strength between the rear shelf assembly 11 and the rear shelf support assembly 12 is improved, abnormal sound between the rear shelf assembly 11 and the rear shelf support assembly 12 is reduced, cracking abnormal sound and the like between the rear shelf assembly 11 and the rear shelf support assembly 12 are effectively prevented, the torsional strength of a vehicle body is effectively improved, and the stability and the reliability of the vehicle body are improved.
As shown in fig. 1, according to one embodiment of the present invention, the rear shelf 111 includes a first horizontal plate 111a and a first vertical plate 111b provided at a front end of the first horizontal plate 111a and extending downward; the rear shelf reinforcement plate 112 includes a second horizontal plate 112a and a second vertical plate 112b provided at a rear end of the second horizontal plate 112a and extending upward, the second horizontal plate 112a being spaced apart from the first horizontal plate 111a and connected to the first vertical plate 111b, the second vertical plate 112b being spaced apart from the first vertical plate 111b and connected to the first horizontal plate 111 a; the first horizontal plate 111a, the first vertical plate 111b, the second horizontal plate 112a, and the second vertical plate 112b define a first chamber.
The front end of the rear shelf 111 is provided with a first horizontal plate 111a and a first vertical plate 111b, the first horizontal plate 111a and the first vertical plate 111b are configured to be "L" shaped, the rear shelf reinforcing plate 112 is provided with a second horizontal plate 112a opposite to the first horizontal plate 111a and a second vertical plate 112b opposite to the first vertical plate 111b, after the rear shelf 111 and the rear shelf reinforcing plate 112 are lapped and fixed, the first horizontal plate 111a, the first vertical plate 111b, the second horizontal plate 112a and the second vertical plate 112b jointly enclose a first chamber, so that the structure of the rear shelf assembly 11 is more stable.
According to one embodiment of the present invention, the rear shelf gusset plate 121 includes: a third horizontal plate 121a and a third vertical plate 121b provided at a front end of the third horizontal plate 121a and extending downward; the rear shelf reinforcing gusset plate 122 includes a fourth horizontal plate 122a and a fourth vertical plate 122b provided at a rear end of the fourth horizontal plate 122a and extending upward, the fourth horizontal plate 122a being spaced apart from the third horizontal plate 121a and connected to the third vertical plate 121b, the fourth vertical plate 122b being spaced apart from the third vertical plate 121b and connected to the third horizontal plate 121 a; the third horizontal plate 121a, the third vertical plate 121b, the fourth horizontal plate 122a, and the fourth vertical plate 122b define a second chamber.
The rear shelf connecting plate supporting plate 121 and the rear shelf reinforcing plate supporting plate 122 according to the present invention constitute the rear shelf supporting assembly 12, and the rear shelf supporting assembly 12 is disposed at both left and right sides of the rear shelf assembly 11 and adapted to support the rear shelf 111, so as to improve the overall strength of the rear shelf connecting structure 1.
Wherein, the third horizontal plate 121a and the third vertical plate 121b of the rear shelf connecting plate supporting plate 121 are configured to be "L" shaped, the fourth horizontal plate 122a and the fourth vertical plate 122b of the rear shelf reinforcing plate supporting plate 122 are also configured to be "L" shaped, the third horizontal plate 121a and the fourth horizontal plate 122a are opposite to each other, the third vertical plate 121b and the fourth vertical plate 122b are opposite to each other, after the rear shelf connecting plate supporting plate 121 is connected with the rear shelf reinforcing plate 122, the third horizontal plate 121a, the third vertical plate 121b, the fourth horizontal plate 122a and the fourth vertical plate 122b are sequentially connected to form a second chamber, and the second chamber can be opposite to the first chamber in the left-right direction of the vehicle.
According to an embodiment of the present invention, in the rear shelf connecting structure 1, the first horizontal plate 111a is disposed at an upper side of the third horizontal plate 121a, a first adhesive layer is disposed between the first horizontal plate 111a and the third horizontal plate 121a, the first vertical plate 111b is disposed at a front side of the third vertical plate 121b, and a second adhesive layer is disposed between the first vertical plate 111b and the third vertical plate 121 b. It should be noted that the first horizontal plate 111a extends in the horizontal direction, and the free end is provided with a flange structure protruding toward one end of the rear shelf connecting plate supporting plate 121, the third horizontal plate 121a also extends in the horizontal direction, and a flange overlapping with the first horizontal plate 111a is provided in the direction toward the rear shelf 111, the positions of the free ends of the first horizontal plate 111a and the third horizontal plate 121a overlap with each other, and a first adhesive layer is provided at the overlapping position of the first horizontal plate 111a and the third horizontal plate 121a, and the first adhesive layer is adapted to adhere the first horizontal plate 111a and the third horizontal plate 121a, so as to improve the connection strength between the rear shelf 111 and the rear shelf connecting plate 121.
Likewise, the first vertical plate 111b extends in the left-right direction, and the free end is provided with a burring structure protruding toward one end of the rear shelf connection plate stay 121, the third vertical plate 121b also extends in the left-right direction, and a burring overlapping with the first vertical plate 111b is provided in the direction toward the rear shelf 111, the positions of the free ends of the first vertical plate 111b and the third vertical plate 121b overlap with each other, and a second adhesive layer adapted to adhere the first vertical plate 111b and the third vertical plate 121b is provided at the overlapping position of the first vertical plate 111b and the third vertical plate 121b, thereby improving the connection strength between the rear shelf 111 and the rear shelf connection plate stay 121.
By providing the first adhesive layer between the first horizontal plate 111a and the third horizontal plate 121a and the second adhesive layer between the first vertical plate 111b and the third vertical plate 121b, the coupling strength between the rear shelf 111 and the rear shelf connecting gusset 121 can be effectively improved.
According to an embodiment of the present invention, the second horizontal plate 112a is disposed on the upper side of the fourth horizontal plate 122a, a third adhesive layer is disposed between the second horizontal plate 112a and the fourth horizontal plate 122a, the second vertical plate 112b is disposed on the front side of the fourth vertical plate 122b, and a fourth adhesive layer is disposed between the second vertical plate 112b and the fourth vertical plate 122 b.
The second horizontal plate 112a extends in the left-right direction, and both ends of the second horizontal plate 112a are provided with a flange structure facing the rear shelf stiffener supporting plate 122, a fourth horizontal plate 122a of the rear shelf stiffener supporting plates 122 has a flange facing the rear shelf stiffener 112, and ends of the second horizontal plate 112a and the fourth horizontal plate 122a are overlapped with each other, and a third adhesive layer is provided at an overlapping position of the second horizontal plate 112a and the fourth horizontal plate 122a to connect the rear shelf stiffener 112 and the rear shelf stiffener supporting plate 122, thereby improving the connection strength between the rear shelf stiffener 112 and the rear shelf stiffener supporting plate 122.
The second vertical plate 112b extends in the left and right direction, and both ends of the second vertical plate 112b are provided with flange structures facing the rear shelf reinforcing plate supporting plate 122, a fourth vertical plate 122b of the rear shelf reinforcing plate 122 has flanges facing the rear shelf reinforcing plate 112, and ends of the second vertical plate 112b and the fourth vertical plate 122b are overlapped with each other, and a fourth adhesive layer is provided at an overlapping position of the second vertical plate 112b and the fourth vertical plate 122b to connect the rear shelf reinforcing plate 112 and the rear shelf reinforcing plate supporting plate 122, thereby improving the connection strength between the rear shelf reinforcing plate 112 and the rear shelf reinforcing plate supporting plate 122.
In the present application, during the installation of the rear shelf assembly 11 and the rear shelf support assembly 12, the rear shelf assembly 11 is overlapped with the rear shelf support assembly 12 from top to bottom in a front-to-rear manner. Therefore, the first horizontal plate 111a disposed on the rear shelf 111 is overlapped with the third horizontal plate 121a disposed on the rear shelf connecting plate support plate 121 from top to bottom, the free end of the first horizontal plate 111a and the free end of the third horizontal plate 121a are provided with flanging structures extending towards each other, and a first adhesive layer is disposed between the first horizontal plate 111a and the third horizontal plate 121 a; the first vertical plate 111b provided on the rear shelf 111 is overlapped with the third vertical plate 121b provided on the rear shelf connecting plate support plate 121 in a front-to-rear manner, and the free end of the first vertical plate 111b and the free end of the third vertical plate 121b are provided with flange structures extending toward each other, and a second adhesive layer is provided between the first vertical plate 111b and the third vertical plate 121 b.
Similarly, the second horizontal plate 112a disposed on the rear shelf reinforcing plate 112 is overlapped with the fourth horizontal plate 122a disposed on the rear shelf reinforcing plate supporting plate 122 from top to bottom, the free end of the second horizontal plate 112a and the free end of the fourth horizontal plate 122a are provided with flanging structures extending towards each other, and a third adhesive layer is disposed between the second horizontal plate 112a and the fourth horizontal plate 122 a; the second vertical plate 112b provided on the rear shelf reinforcing plate 112 is overlapped with the fourth vertical plate 122b provided on the rear shelf reinforcing plate supporting plate 122 in a front-to-rear manner, and the free end of the second vertical plate 112b and the free end of the third vertical plate 121b are provided with flange structures extending toward each other, and a fourth adhesive layer is provided between the second vertical plate 112b and the fourth vertical plate 122 b.
According to an embodiment of the present invention, at least one of between the first horizontal plate 111a and the third horizontal plate 121a, between the first vertical plate 111b and the third vertical plate 121b, between the second horizontal plate 112a and the fourth horizontal plate 122a, and between the second vertical plate 112b and the fourth vertical plate 122b is welded and fixed. After the rear shelf 111 and the rear shelf connecting plate supporting plate 121 and the rear shelf reinforcing plate 112 and the rear shelf reinforcing plate supporting plate 122 are respectively bonded and fixed, they can be further fixed by welding, so as to further improve the strength of the rear shelf connecting structure 1, and thus, the connecting strength between the rear shelf assembly 11 and the rear shelf supporting assembly 12 can be effectively improved.
According to the rear shelf connecting structure 1, the rear shelf assembly 11 and the rear shelf support assembly 12 are fixed in an adhesive and welding mode, so that the stability of the rear shelf connecting structure 1 is improved, and the rear shelf connecting structure 1 is prevented from cracking and abnormal sound.
According to an embodiment of the present invention, the rear shelf support assembly 12 and the rear shelf assembly 11 are further fixedly connected by the fastening member 101, and the rear shelf connection plate supporting plate 121 and the rear shelf assembly 11 are further connected by the fastening member 101 after being fixed by gluing and welding, so as to further improve the connection strength between the rear shelf assembly 11 and the rear shelf support assembly 12, so that the force transmission effect between the rear shelf 111 and the rear shelf support assembly 12 is more reliable, the overall strength of the rear shelf connection structure 1 can be further improved, the mechanical property of the rear shelf connection structure 1 is improved, and the reliability of the rear shelf 111 connection mechanism is improved.
According to an embodiment of the present invention, at least one of between the first horizontal plate 111a and the third horizontal plate 121a, between the first vertical plate 111b and the third vertical plate 121b, between the second horizontal plate 112a and the fourth horizontal plate 122a, and between the second vertical plate 112b and the fourth vertical plate 122b is fixedly connected by the fastener 101.
Specifically, through holes facing each other are respectively formed in the first horizontal plate 111a and the third horizontal plate 121a, and the fastening member 101 may be a bolt and a nut, and the bolt passes through the through hole and then is screwed with the nut to fix the first horizontal plate 111a and the third horizontal plate 121 a; similarly, through holes are respectively formed in the second horizontal plate 112a and the fourth horizontal plate 122a, and the fastening member 101 may be a bolt and a nut, and the bolt is screwed with the nut after passing through the through holes to fix the second horizontal plate 112a and the fourth horizontal plate 122 a. Through holes facing each other are respectively formed in the first vertical plate 111b and the third vertical plate 121b, and the fastening member 101 may be a bolt and a nut, and the bolt passes through the through holes and then is screwed with the nut to fix the first vertical plate 111b and the third vertical plate 121 b; similarly, through holes are respectively formed in the second vertical plate 112b and the fourth vertical plate 122b, and the fastening member 101 may be a bolt and a nut, and the bolt is screwed with the nut after passing through the through holes to fix the second vertical plate 112b and the fourth vertical plate 122 b.
According to another embodiment of the invention, the fasteners 101 may be configured as rivets, and the rear shelf assembly 11 and the rear shelf support assembly 12 are fixed by riveting.
Further, after the rear shelf assembly 11 and the rear shelf support assembly 12 are fixed, the first chamber and the second chamber face each other, and the fastening members 101 may be disposed around edges of the first chamber and the second chamber, and the fastening members 101 are disposed on the structures of the first horizontal plate 111a and the third horizontal plate 121a, the first vertical plate 111b and the third vertical plate 121b, the second horizontal plate 112a and the fourth horizontal plate 122a, and the second vertical plate 112b and the fourth vertical plate 122b, which are cut out as flanging in the X-Z plane of the vehicle, respectively, so as to further improve the connection strength between the rear shelf assembly 11 and the rear shelf support assembly 12.
According to a specific embodiment of the present invention, the first horizontal plate 111a and the third horizontal plate 121a, the first vertical plate 111b and the third vertical plate 121b, and the second horizontal plate 112a and the fourth horizontal plate 122a are welded and fixed, and the second vertical plate 112b and the fourth vertical plate 122b are fixedly connected by the fastener 101. The connection points are arranged at the positions, so that the connection stability of the rear shelf assembly 11 and the rear shelf support assembly 12 can be ensured, and meanwhile, the over-design is avoided, and the cost is effectively controlled.
The rear shelf connecting structure 1 according to the present invention will be described below according to one embodiment of the present invention.
The rear shelf connecting structure 1 according to the present invention includes: the rear shelf 111, the front end of rear shelf 111 is provided with first horizontal plate 111a, the free end of first horizontal plate 111a is provided with downwardly extending first vertical plate 111b, the front end downside of rear shelf 111 is provided with rear shelf reinforcing plate 112, rear shelf reinforcing plate 112 includes second horizontal plate 112a, the rear end of second horizontal plate 112a is provided with second vertical plate 112b, second vertical plate 112b faces first vertical plate 111b, second horizontal plate 112a faces first horizontal plate 111a, and rear shelf 111 and rear shelf reinforcing plate 112 enclose into a first chamber together.
Rear shelf connection plates 123 are also provided at left and right sides of the rear shelf 111, the rear shelf connection plates 123 being located at the rear end of the rear shelf 111. The rear shelf 111 and the rear shelf reinforcing plate 112 are configured as the rear shelf assembly 11. The rear shelf attachment plate 123 may be part of the rear shelf support assembly 12.
According to one embodiment of the present invention, the rear shelf 111 and the rear shelf reinforcement plate 112 may be configured as a rear shelf assembly 11; the rear shelf connecting plate 123, the rear shelf connecting plate supporting plate 121, and the rear shelf reinforcing plate supporting plate 122 are constructed as a rear shelf connecting plate assembly. The rear shelf assembly 11 is lapped on the rear shelf connecting plate assembly from top to bottom and is connected with the rear shelf connecting plate assembly in a spot welding, screw connection and structural adhesive mode, the rear shelf supporting assembly 12 is arranged on the left side and the right side of the rear shelf assembly 11, the rear shelf supporting assembly 12 comprises a rear shelf connecting plate supporting plate 121 for supporting a rear partition plate and a rear shelf reinforcing plate supporting plate 122 for supporting a rear shelf reinforcing plate 112, the rear end of the rear shelf connecting plate supporting plate 121 is connected with a rear shelf connecting plate 123, and the inner end of the rear shelf connecting plate supporting plate 121 is connected with the rear shelf 111; rear shelf reinforcing plate fagging 122 sets up in rear shelf connecting plate fagging 121's downside, and has enclosed into the second cavity with rear shelf connecting plate fagging 121, and the second cavity is just right with first cavity.
The rear shelf assembly 11 is fixedly connected to the rear shelf support assembly 12 by at least one of bonding, welding and fasteners 101.
Welding through holes 102 suitable for a welding gun to extend into the first cavity or the second cavity are formed in the rear shelf 111 or the rear shelf reinforcing plate supporting plate 122 so as to facilitate welding among the rear shelf 111, the rear shelf reinforcing plate 112, the rear shelf connecting plate supporting plate 121 and the rear shelf reinforcing plate supporting plate 122 from the inside of the cavity.
As shown in fig. 3 and 4, in some embodiments of the present invention, the rear shelf stiffener stay 122 is designed with a welding through hole 102 to accommodate a welding gun to be inserted for welding. Excessive welding through holes are not required to be designed, the structural integrity of the rear shelf area is guaranteed to the maximum extent, and the structural strength of the rear shelf area is improved; the structural adhesive and the welding spot are used in a screwed connection mode, so that acting force can be effectively dispersed, stress concentration is reduced, and the risk of abnormal torsional sound is reduced.
The welding through holes 102 are formed in the left side and the right side of the first horizontal plate 111a, so that the welding gun can stretch into the first cavity or the second cavity, operation is convenient, and process difficulty is low.
According to an embodiment of the invention, the structural adhesive can be applied in a state that the rear shelf assembly 11 and the rear shelf support assemblies 12 on the left and right sides are welded into a cavity, and then the rear shelf assembly 11 is connected with the rear shelf connecting plate assembly, the gluing assembly process is not limited by the structure, excessive welding through holes are not required to be designed, and the structural integrity is guaranteed to the maximum extent.
In some embodiments of the invention, the length of each faying surface of the rear shelf is less than 120mm, each faying surface is provided with a connecting point, and the connecting points are all arranged in the middle area of each faying surface; the width of overlap edge is not less than 14mm, and the structure glue evenly sets up in the middle part region of overlap edge, it ends to scribble panel beating boundary 10mm, overflow in order to avoid the panel beating overlap joint time structure glue, back shelf connection structure's assembly process, as shown in fig. 6 for the bonding schematic diagram between back shelf and the back shelf connecting plate fagging, above-mentioned connected mode also can be applied to between back shelf reinforcing plate and the back shelf reinforcing plate fagging, also can be the connected mode of two arbitrary overlap edges between back shelf assembly and the back shelf support assembly.
Furthermore, according to the bonding structure provided by the invention, the structural adhesive is used for connection, so that bending and torsion acting forces can be dispersed, stress concentration is prevented, the reliability is improved, the welding points on each bonding surface enable each connecting surface to be effectively pressed, the structural adhesive effectively plays a role, the connection stability among the connecting plates is further improved, the overall strength of the rear shelf connecting structure is improved, and abnormal sound is reduced.
As shown in FIG. 5, the durability analysis chart of the rear shelf connecting structure is shown, and through CAE analysis, the safety coefficient of the rear shelf connecting structure is increased to 5.9 and is far higher than a critical value 1, the cracking risk is small, the performance requirement can be met, and the overall structural stability of a vehicle body is improved.
The vehicle according to the present invention is briefly described below.
According to the vehicle provided with the rear shelf connecting structure 1 of the embodiment, the vehicle provided with the rear shelf 111 structure has the advantages that the sheet metal structure of the vehicle is high in strength, the sheet metal is not prone to cracking, the torsional strength is good, and the risk of torsional abnormal sound in the vehicle body is reduced.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more.
In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the invention, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A rear shelf attachment structure for a vehicle, comprising:
a rear shelf assembly, the rear shelf assembly comprising: the rear shelf and the rear shelf reinforcing plate define a first chamber;
a rear shelf support assembly, the rear shelf support assembly comprising: the rear shelf board connecting plate supporting plate and the rear shelf board reinforcing plate supporting plate define a second chamber; wherein
The rear shelf support assembly is arranged at the left end and the right end of the rear shelf assembly, and the rear shelf support assembly is at least partially overlapped with the rear shelf assembly and is fixed by bonding and welding.
2. The rear shelf connection structure for a vehicle according to claim 1, wherein the rear shelf comprises: the first horizontal plate and the first vertical plate are arranged at the front end of the first horizontal plate and extend downwards;
the rear shelf reinforcing plate includes: the second horizontal plate is spaced from the first horizontal plate and connected with the first vertical plate, and the second vertical plate is spaced from the first vertical plate and connected with the first horizontal plate;
the first horizontal plate, the first vertical plate, the second horizontal plate, and the second vertical plate define the first chamber.
3. The rear shelf connection structure for a vehicle according to claim 2, wherein the rear shelf connection gusset includes: the third horizontal plate and a third vertical plate are arranged at the front end of the third horizontal plate and extend downwards;
the back shelf reinforcing plate fagging includes: the fourth horizontal plate is spaced from the third horizontal plate and connected with the third vertical plate, and the fourth vertical plate is spaced from the third vertical plate and connected with the third horizontal plate;
the third horizontal plate, the third vertical plate, the fourth horizontal plate, and the fourth vertical plate define the second chamber.
4. The rear shelf connection structure for a vehicle according to claim 3, wherein the first horizontal plate is provided at an upper side of the third horizontal plate, and a first adhesive layer is provided between the first horizontal plate and the third horizontal plate, and the first vertical plate is provided at a front side of the third vertical plate, and a second adhesive layer is provided between the first vertical plate and the third vertical plate.
5. The rear shelf connection structure for a vehicle according to claim 4, wherein the second horizontal plate is provided at an upper side of the fourth horizontal plate with a third adhesive layer provided therebetween, the second vertical plate is provided at a front side of the fourth vertical plate with a fourth adhesive layer provided therebetween.
6. The rear shelf connection for a vehicle according to claim 5, wherein at least one of the first horizontal plate and the third horizontal plate, the first vertical plate and the third vertical plate, the second horizontal plate and the fourth horizontal plate, and the second vertical plate and the fourth vertical plate is fixed by welding.
7. The rear shelf attachment structure for a vehicle of claim 6 wherein the rear shelf support assembly is further fixedly connected to the rear shelf assembly by fasteners.
8. The rear shelf connection for a vehicle of claim 7, wherein at least one of the first horizontal plate and the third horizontal plate, the first vertical plate and the third vertical plate, the second horizontal plate and the fourth horizontal plate, and the second vertical plate and the fourth vertical plate is fixedly connected by a fastener.
9. The rear shelf connection for a vehicle according to claim 8, wherein the first horizontal plate and the third horizontal plate, the first vertical plate and the third vertical plate, and the second horizontal plate and the fourth horizontal plate are welded and fixed, and the second vertical plate and the fourth vertical plate are fixedly connected by a fastener.
10. A vehicle characterized by comprising the rear shelf attachment structure of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011075125.2A CN112278092B (en) | 2020-10-09 | 2020-10-09 | Rear shelf connecting structure for vehicle and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011075125.2A CN112278092B (en) | 2020-10-09 | 2020-10-09 | Rear shelf connecting structure for vehicle and vehicle |
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| Publication Number | Publication Date |
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| CN112278092A true CN112278092A (en) | 2021-01-29 |
| CN112278092B CN112278092B (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011075125.2A Active CN112278092B (en) | 2020-10-09 | 2020-10-09 | Rear shelf connecting structure for vehicle and vehicle |
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| US20050156445A1 (en) * | 2004-01-20 | 2005-07-21 | Mains David R. | Removable storage shelf for a vehicle storage compartment |
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| Publication number | Publication date |
|---|---|
| CN112278092B (en) | 2022-07-12 |
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