CN210918628U - Connecting structure of back door and hinge made of carbon fiber composite material - Google Patents
Connecting structure of back door and hinge made of carbon fiber composite material Download PDFInfo
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- CN210918628U CN210918628U CN201920446544.9U CN201920446544U CN210918628U CN 210918628 U CN210918628 U CN 210918628U CN 201920446544 U CN201920446544 U CN 201920446544U CN 210918628 U CN210918628 U CN 210918628U
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- back door
- hinge
- inner plate
- fastening bolt
- fixing hole
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Abstract
The utility model provides a connection structure of carbon-fibre composite back of body door and hinge, include: the door comprises a back door outer plate, a back door inner plate, an adhesive, a fastening bolt, a hinge and a fastening nut; the back door inner plate and the back door outer plate are fixedly adhered through an adhesive; a first fixing hole is formed in the first fixing part of the back door inner plate; the fastening bolt is fixedly adhered to the back door inner plate; the hinge is provided with a second fixing hole; the hinge is fixed on the fastening bolt through the second fixing hole and the fastening nut so as to be fixedly connected with the back door inner plate. The utility model has the advantages that: the back door is connected with the hinge by adopting a carbon fiber composite material, the bonding fastener is connected with the carbon fiber back door by an adhesive, and the back door hinge is connected and fixed by the fastener; the adhesive bonding fastener is convenient to operate, small in size and light in weight, and the adhesive in the bonding area can play an anti-corrosion protection role.
Description
Technical Field
The utility model relates to an automobile back spare door hinge mount field especially relates to a connection structure of carbon-fibre composite back spare door and hinge.
Background
With the increasing severity of resource and environmental problems caused by economic development and the strictness of vehicle emission requirements of laws and regulations, more and more automobile manufacturers invest a lot of manpower and material resources for the research of light-weight technologies. By designing the vehicle to be light, the adoption of the carbon fiber composite material to reduce the weight of the whole vehicle becomes one of important means for solving the problem.
The connection of the back door to the hinge of a metal car is typically made by fasteners or the like. During assembly, the fastener and the metal reinforcing plate are required to be welded and bonded with the composite material back door, the process types are multiple, the clamp, the tool and the like are large in investment, the welding defect is easily caused by welding the fastener, and the assembly is difficult.
The carbon fiber composite material is adopted for designing and developing the automobile back door, and the aim of light weight is fulfilled. The hinge connection is carried out by utilizing the characteristic of high designability of the carbon fiber composite material, the investment of a die and a tool is reduced, the quality problems of welding defects and the like are avoided, and the assembly performance is improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a carbon-fibre composite back of the body door and hinge's connection structure.
A carbon fiber composite material backdoor and hinge connection structure, comprising: the back door comprises a back door outer plate, a back door inner plate, a fastening bolt, a hinge and a fastening nut;
the back door inner plate comprises a first pasting part at the upper end, a first fixing part in the middle and a second pasting part at the lower end; the back door outer plate comprises a third pasting part at the upper end, a second fixing part in the middle and a fourth pasting part at the lower end;
the first pasting part is fixedly pasted with the third pasting part through an adhesive, and the second pasting part is fixedly pasted with the fourth pasting part through an adhesive so as to fixedly connect the backdoor inner plate and the backdoor outer plate together;
a cavity is formed between the back door inner plate and the back door outer plate; the first fixing part is provided with a first fixing hole; the size of the first fixing hole is matched with that of the fastening bolt;
the nut end of the fastening bolt is positioned on one side of the backdoor inner plate with the cavity, the other end of the fastening bolt penetrates through the first fixing hole and then is positioned on the other side of the backdoor inner plate, and the nut end of the fastening bolt is fixedly adhered to the outer surface of one side of the backdoor inner plate with the cavity through the adhesive so as to fixedly adhere the fastening bolt to the backdoor inner plate;
a second fixing hole is formed in the hinge; the size of the second fixing hole is matched with that of the fastening bolt; the fastening nut is matched with the fastening bolt in size; the hinge is fixed on the fastening bolt through the second fixing hole and the fastening nut so as to be fixedly connected with the back door inner plate.
Further, the adhesive is acrylic adhesive.
Further, the back door inner plate is made of carbon fiber composite materials.
Further, the back door outer plate is made of carbon fiber composite materials.
Further, the length of the fastening bolt is greater than the total thickness of the first fixing hole, the second fixing hole and the fastening nut.
The utility model provides a beneficial effect that technical scheme brought is: the technical scheme provided by the utility model adopts the connection form of the carbon fiber composite material back door and the hinge, the bonding fastener is connected with the carbon fiber back door through the adhesive, and the back door hinge is connected and fixed through the fastener; the adhesive fastener is adopted, so that the operation is convenient, the size is small, the weight is reduced, the adhesive area is large, the stress concentration is avoided, and meanwhile, the adhesive in the adhesive area can play a role in corrosion prevention and protection; the number of sets of metal reinforcing plate molds can be reduced; the assembly tool is simplified; the weight reduction effect is obvious.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic structural diagram of a connection structure of a carbon fiber composite back door and a hinge in an embodiment of the present invention;
fig. 2 is a three-dimensional schematic view of a hinge according to an embodiment of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
An embodiment of the utility model provides a connection structure of carbon-fibre composite back of body door and hinge.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a connection structure of a carbon fiber composite back door and a hinge according to an embodiment of the present invention, including: the back door comprises a back door outer plate 1, a back door inner plate 2, a fastening bolt 4, a hinge 5 and a fastening nut 6;
the back door inner panel 2 includes a first attaching portion 21 at an upper end, a first fixing portion 22 at a middle, and a second attaching portion 23 at a lower end; the back door outer plate 1 comprises a third pasting part 11 at the upper end, a second fixing part 12 at the middle and a fourth pasting part 13 at the lower end;
the first pasting part 21 is fixedly pasted with the third pasting part 11 through an adhesive, and the second pasting part 23 is fixedly pasted with the fourth pasting part 13 through an adhesive, so as to fixedly connect the back door inner plate 2 and the back door outer plate 1 together;
a cavity is formed between the back door inner plate 2 and the back door outer plate 1; the first fixing portion 22 is provided with a first fixing hole; the size of the first fixing hole is matched with that of the fastening bolt 4;
the nut end 41 of the fastening bolt 4 is positioned on one side of the back door inner plate 2 with the cavity, the other end 42 of the fastening bolt passes through the first fixing hole and then is positioned on the other side of the back door inner plate 2, and the nut end 41 of the fastening bolt 4 is fixedly adhered to the outer surface of one side of the back door inner plate 2 with the cavity through the adhesive, so that the fastening bolt 4 is fixedly adhered to the back door inner plate 2;
a second fixing hole 51 is formed in the hinge 5; the size of the second fixing hole 51 matches the size of the fastening bolt 4; the fastening nut 6 is matched with the fastening bolt 4 in size; the hinge 5 is fixed on the fastening bolt 4 through the second fixing hole 51 and the fastening nut 6 to be fixedly connected with the back door inner panel 2.
In the embodiment of the utility model provides an, gluing agent is acrylic acid glue.
In the embodiment of the present invention, the back door inner panel 2 is made of carbon fiber composite material.
In the embodiment of the present invention, the back door outer panel 1 is made of carbon fiber composite.
In the embodiment of the present invention, the first fixing portion 22 of the back door inner panel 2 is designed to be thickened (the specific thickness is set according to actual requirements in actual production) to enhance the rigidity of the back door inner panel.
In the embodiment of the present invention, the length of the fastening bolt 4 is greater than the total thickness of the first fixing hole, the second fixing hole 51 and the fastening nut 6.
The utility model has the advantages that: the technical scheme provided by the utility model adopts the connection form of the carbon fiber composite material back door and the hinge, the bonding fastener is connected with the carbon fiber back door through the adhesive, and the back door hinge is connected and fixed through the fastener; the adhesive fastener is adopted, so that the operation is convenient, the size is small, the weight is reduced, the adhesive area is large, the stress concentration is avoided, and meanwhile, the adhesive in the adhesive area can play a role in corrosion prevention and protection; the number of sets of metal reinforcing plate molds can be reduced; the assembly tool is simplified; the weight reduction effect is obvious.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. The utility model provides a connection structure of carbon-fibre composite backdoor and hinge which characterized in that: the method comprises the following steps: the back door comprises a back door outer plate (1), a back door inner plate (2), a fastening bolt (4), a hinge (5) and a fastening nut (6);
the back door inner plate (2) comprises a first pasting part (21) at the upper end, a first fixing part (22) in the middle and a second pasting part (23) at the lower end; the back door outer plate (1) comprises a third pasting part (11) at the upper end, a second fixing part (12) in the middle and a fourth pasting part (13) at the lower end;
the first pasting part (21) is fixedly pasted with the third pasting part (11) through an adhesive, and the second pasting part (23) is fixedly pasted with the fourth pasting part (13) through an adhesive so as to fixedly connect the backdoor inner plate (2) and the backdoor outer plate (1) together;
a cavity is formed between the back door inner plate (2) and the back door outer plate (1); a first fixing hole is formed in the first fixing part (22); the size of the first fixing hole is matched with that of the fastening bolt (4);
the nut end (41) of the fastening bolt (4) is located on one side, provided with the cavity, of the back door inner plate (2), the other end (42) of the fastening bolt penetrates through the first fixing hole and then is located on the other side of the back door inner plate (2), and the nut end (41) of the fastening bolt (4) is fixedly adhered to the outer surface of one side, provided with the cavity, of the back door inner plate (2) through the adhesive so as to fixedly adhere the fastening bolt (4) to the back door inner plate (2);
a second fixing hole (51) is formed in the hinge (5); the size of the second fixing hole (51) is matched with that of the fastening bolt (4); the fastening nut (6) is matched with the fastening bolt (4) in size; the hinge (5) is fixed on the fastening bolt (4) through the second fixing hole (51) and the fastening nut (6) so as to be fixedly connected with the backdoor inner plate (2).
2. The carbon fiber composite material tailgate and hinge connection structure according to claim 1, wherein: the adhesive is acrylic adhesive.
3. The carbon fiber composite material tailgate and hinge connection structure according to claim 1, wherein: the back door inner plate (2) is made of carbon fiber composite materials.
4. The carbon fiber composite material tailgate and hinge connection structure according to claim 1, wherein: the back door outer plate (1) is made of carbon fiber composite materials.
5. The carbon fiber composite material tailgate and hinge connection structure according to claim 1, wherein: the length of the fastening bolt (4) is greater than the total thickness of the first fixing hole, the second fixing hole (51) and the fastening nut (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920446544.9U CN210918628U (en) | 2019-04-03 | 2019-04-03 | Connecting structure of back door and hinge made of carbon fiber composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920446544.9U CN210918628U (en) | 2019-04-03 | 2019-04-03 | Connecting structure of back door and hinge made of carbon fiber composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210918628U true CN210918628U (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920446544.9U Active CN210918628U (en) | 2019-04-03 | 2019-04-03 | Connecting structure of back door and hinge made of carbon fiber composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210918628U (en) |
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2019
- 2019-04-03 CN CN201920446544.9U patent/CN210918628U/en active Active
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