CN109249784B - Cabin door assembly structure - Google Patents
Cabin door assembly structure Download PDFInfo
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- CN109249784B CN109249784B CN201710570758.2A CN201710570758A CN109249784B CN 109249784 B CN109249784 B CN 109249784B CN 201710570758 A CN201710570758 A CN 201710570758A CN 109249784 B CN109249784 B CN 109249784B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/04—Doors arranged at the vehicle sides
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
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- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Manufacturing & Machinery (AREA)
- Body Structure For Vehicles (AREA)
Abstract
In order to overcome the problem of insufficient connection strength of the existing cabin door assembly structure, the invention provides a cabin door assembly structure which comprises a cabin door, a vehicle body frame and a supporting piece for connecting the cabin door and the vehicle body frame; the vehicle body frame comprises a filling base body, an embedded plate and a fiber reinforced resin layer, wherein the embedded plate is positioned on the surface layer of the filling base body, the fiber reinforced resin layer covers the outer layers of the filling base body and the embedded plate, a first connecting hole is formed in the embedded plate, and a second connecting hole is formed in the fiber reinforced resin layer in the position, facing the first connecting hole, of the first connecting hole; the supporting piece is connected with a first support, and a third connecting hole is formed in the first support; and arranging a first connecting piece to penetrate through the third connecting hole, the second connecting hole and the first connecting hole so as to fix the vehicle body frame and the first support. The cabin door assembly structure provided by the invention provides effective connection support for the cabin door, and has excellent fatigue resistance and shear force performance.
Description
Technical Field
The invention belongs to the technical field of automobile structures, and particularly relates to a cabin door assembly structure.
Background
Today of new energy automobile high-speed development, [ electric ] motor coach has the advantage that other motorcycle types can't match as the main carrier of urban traffic transportation, and the continuation of the journey mileage of electric motor coach is the most concern of all passenger train manufacturers, and the most direct method of improving the continuation of the journey mileage of [ electric ] motor coach at present is exactly the reduction of passenger train dead weight, is guaranteeing under the circumstances of passenger train intensity promptly, realizes the reduction of passenger train self weight. The carbon fiber foam composite material has high strength and light weight, and is an ideal vehicle body weight-reducing material.
The existing passenger car cabin door fixed connection structure is mainly formed by directly welding or riveting a steel plate or an aluminum plate on a car body, and a steel plate and a nut to be welded are buried in the car body by a particular manufacturer, and then the cabin door is directly connected with the car body by a bolt. Because the carbon fibers in the carbon fiber foam composite material are formed by stacking organic fibers such as flake graphite microcrystals along the axial direction of the fibers, the carbon fiber foam composite material cannot be welded with other materials or connected with a tapping lock bolt due to the material performance of the microcrystalline graphite material obtained by carbonization and graphitization treatment. Therefore, the existing cabin door assembly structure cannot meet the fixed connection requirement of the cabin door and the carbon fiber foam composite material automobile body, and has the problem of insufficient connection strength.
Disclosure of Invention
Aiming at the problem of insufficient connection strength of the existing cabin door assembly structure, the invention provides a cabin door assembly structure.
The technical scheme adopted by the invention for solving the technical problems is as follows:
there is provided a hatch assembling structure including a hatch, a body frame, and a support member for connecting the hatch and the body frame;
the vehicle body frame comprises a filling base body, an embedded plate and a fiber reinforced resin layer, wherein the embedded plate is positioned on the surface layer of the filling base body, the fiber reinforced resin layer covers the outer layers of the filling base body and the embedded plate, a first connecting hole is formed in the embedded plate, and a second connecting hole is formed in the fiber reinforced resin layer in the position, facing the first connecting hole, of the first connecting hole;
the supporting piece is connected with a first support, and a third connecting hole is formed in the first support;
and arranging a first connecting piece to penetrate through the third connecting hole, the second connecting hole and the first connecting hole so as to fix the vehicle body frame and the first support.
Optionally, the filling base body is provided with a groove towards the first connection hole, the first connection piece is a blind rivet, a head end of the blind rivet abuts against the first support, and a tail end of the blind rivet sequentially penetrates through the third connection hole, the second connection hole and the first connection hole and is clamped in the groove.
Optionally, the filling matrix is a polymer foam.
Optionally, the built-in plate is a metal plate.
Optionally, the fibre reinforced resin layer comprises a plurality of layers of carbon fibre/resin prepreg.
Optionally, a second bracket is connected to the support member, a reinforcing frame is arranged on the cabin door, and a second connecting member is arranged to fix the second connecting member and the reinforcing frame.
Optionally, strengthen the frame and be carbon fiber reinforced resin, the second connecting piece includes metal connecting plate and welding bolt, welding bolt passes and welds in on the metal connecting plate, the metal connecting plate passes through acrylic acid adhesive splice and deviates from on strengthening the frame one side of second connecting piece, be provided with the fifth connecting hole on strengthening the frame, be provided with the fourth connecting hole on the second support, welding bolt passes fifth connecting hole and fourth connecting hole set up the nut and carry out the tail end fixing.
Optionally, a plurality of first concave pits are arranged on the surface of the metal connecting plate for bonding with the reinforcing frame.
Optionally, the door is made of carbon fiber reinforced resin, the reinforcing frame includes an arch portion and extension portions located on two sides of the arch portion, and the extension portions are bonded to the door.
Optionally, a sealing strip is arranged on the cabin door, and the sealing strip is arranged on the inner side edge of the cabin door in a surrounding manner and is connected with the body frame.
Optionally, the support is a gas spring, one end of the gas spring is rotatably connected to the first bracket, and the other end of the gas spring is rotatably connected to the second bracket.
Optionally, the door assembly structure further comprises rubber hinge structures respectively connecting the top edge of the reinforcement frame and the top edge of the body frame.
Optionally, the number of the supporting members is multiple, when the hatch door is in a closed state, the supporting members are vertically arranged, and when the hatch door is in an open state, the supporting members are obliquely arranged.
Optionally, the cabin door assembly structure further comprises a locking piece and a metal separation blade, the locking piece comprises a clamping seat and a rotating handle, a clamping hole is formed in the cabin door, the clamping seat is inserted into and clamped in the clamping hole, the rotating handle is rotatably connected to the clamping seat, and the metal separation blade is adhered to the vehicle body frame through an acrylic acid glue;
when the cabin door is in a closed state and the rotating handle rotates to the position of the metal blocking piece, the rotating handle and the metal blocking piece are mutually clamped and limited.
Optionally, a plurality of second recesses are formed in the surface of the metal baffle plate, which is used for being bonded with the vehicle body frame.
According to the cabin door assembly structure provided by the invention, the built-in plate is arranged on the surface layer of the filling base body, and the fiber reinforced resin is arranged on the outer layers of the filling base body and the built-in plate, so that the built-in plate, the filling base body and the fiber reinforced resin on the outer layer are integrated, namely the built-in plate and a vehicle body frame form a whole, the connection strength between the supporting piece and the vehicle body frame is effectively improved, and the effective support is provided for the cabin door; meanwhile, the built-in plate is wrapped by fiber reinforced resin, so that the corrosion resistance and the sealing performance of the joint are improved, a connecting structure does not need to be additionally arranged on a vehicle body frame during installation, and the assembly difficulty of the cabin door is reduced.
Drawings
FIG. 1 is a schematic structural view of a door assembly according to an embodiment of the present invention;
figure 2 is an exploded view of a door and supports of the door assembly structure according to one embodiment of the present invention.
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 4 is an enlarged schematic view at B in FIG. 3;
FIG. 5 is a schematic cross-sectional view taken along plane C-C of FIG. 1;
FIG. 6 is an enlarged schematic view at D of FIG. 5;
FIG. 7 is a schematic view of a bonding surface of a metal connecting plate of the door assembly structure according to an embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view taken along plane E-E of FIG. 1;
FIG. 9 is an enlarged schematic view at F of FIG. 8;
FIG. 10 is a schematic view of a metal flap adhesive surface of the door assembly structure according to an embodiment of the present invention;
fig. 11 is a flowchart of a method for bonding a metal barrier according to an embodiment of the present invention.
The reference numbers in the drawings of the specification are as follows:
1. a cabin door; 11. a locking member; 111. a clamping seat; 112. rotating the handle; 12. a clamping hole; 2. a reinforcing frame; 21. an arch portion; 22. an extension portion; 23. a fifth connecting hole; 3. a rubber hinge structure; 4. a sealing strip; 5. a support member; 51. a second bracket; 511. a fourth connection hole; 52. a first bracket; 521. a third connection hole; 6. a vehicle body frame; 61. filling the matrix; 62. a fiber-reinforced resin layer; 621. a second connection hole; 63. a built-in plate; 631. a first connection hole; 64. a metal baffle plate; 641. a second pit; 7. a first connecting member; 8. a second connecting member; 81. welding a bolt; 82. a metal connecting plate; 821. a first pit; 83. and a nut.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 4, the present embodiment discloses a hatch assembling structure, which includes a hatch 1, a vehicle body frame 6, and a support 5 for connecting the hatch 1 and the vehicle body frame 6;
the vehicle body frame 6 comprises a filling base body 61, a built-in plate 63 and a fiber reinforced resin layer 62, wherein the built-in plate 63 is located on the surface layer of the filling base body 61, the fiber reinforced resin layer 62 covers the filling base body 61 and the outer layer of the built-in plate 63, a first connecting hole 631 is formed in the built-in plate 63, and the fiber reinforced resin layer 62 is arranged in the first connecting hole 631 and faces the second connecting hole 621.
The "the built-in plate 63 is located on the surface layer of the filling substrate 61" should be understood broadly, and may be that the built-in plate 63 is attached to the surface of the filling substrate 61, or a receiving groove is provided on the surface of the filling substrate 61, the built-in plate 63 is partially or completely embedded in the receiving groove, and one side surface of the built-in plate 63 is exposed out of the opening of the receiving groove.
The support member 5 is connected with a first bracket 52, and a third connecting hole 521 is formed in the first bracket 52;
the first link 7 is provided to pass through the third link hole 521, the second link hole 621 and the first link hole 631 to fix the vehicle body frame 6 and the first bracket 52.
In the embodiment, the fiber reinforced resin is arranged on the outer layers of the filling base body 61 and the built-in plate 63, so that the built-in plate 63 and the fiber reinforced resin of the filling base body 61 and the outer layers are integrated, that is, the built-in plate 63 and the vehicle body frame 6 form a whole, thereby effectively improving the connection strength between the support piece 5 and the vehicle body frame 6 and providing effective support for the cabin door 1; meanwhile, the built-in plate 63 is wrapped by fiber reinforced resin, so that the corrosion resistance and the sealing performance of the joint are improved, a connecting structure does not need to be additionally arranged on the vehicle body frame 6 during installation, and the assembly difficulty of the cabin door 1 is reduced.
In this embodiment, the filling base 61 is in first connecting hole 631 is provided with a groove towards the position, first connecting piece 7 is a Blind rivet, specifically, a BOM over size Mechanical fastener (BOM), can be adopted, the head end of the Blind rivet abuts against on first bracket 52, the tail end of the Blind rivet sequentially passes through third connecting hole 521, second connecting hole 621, first connecting hole 631 and is clamped in the groove, and a fixing effect is generated by expansion of the tail end of the Blind rivet.
In some embodiments of the present invention, the filling substrate 61 is a polymer foam material, and the polymer foam material may be selected from materials such as foamed PVC and foamed PET, and the polymer foam material has a characteristic of low density, which is beneficial to reducing the weight of the vehicle body.
The built-in plate 63 is a metal plate, in this embodiment, the built-in plate 63 is made of a 3.0mm steel plate, and in other embodiments, the built-in plate 63 may be made of a metal or an alloy such as copper, aluminum, and nickel.
The fiber reinforced resin layer 62 includes a plurality of layers of carbon fiber/resin prepregs, the carbon fiber/resin prepregs are a combination of resin and carbon fiber, the resin is selected from synthetic resin which can generate cross-linking chemical reaction under the action of heating, pressurizing or curing agent and ultraviolet light, and is cured into insoluble infusible, and the carbon fiber is a reinforcement body.
In some embodiments of the present invention, the carbon fiber may be a high-strength and high-modulus fiber reinforced material prepared by removing elements other than carbon by heating using polyacrylonitrile fiber, viscose fiber, pitch fiber, phenolic fiber, polyvinyl alcohol fiber, organic high temperature resistant fiber, etc. as a precursor, and the carbon content of the high-strength and high-modulus fiber reinforced material is more than 90%.
The carbon fibers may be in the form of carbon fiber scrim or carbon fiber unidirectional cloth.
The carbon fiber/resin prepreg is preferable in the present embodiment, and the mechanical properties such as tensile strength, rigidity, and impact resistance of the resin material can be effectively improved by impregnating the resin with the carbon fibers. In some embodiments, the carbon fiber resin may also be replaced by glass fiber, aramid fiber, basalt fiber, etc., depending on different strength or functional needs by those skilled in the art.
As shown in fig. 2, 5 and 6, a second bracket 51 is connected to the support member 5, a reinforcing frame 2 is disposed on the door 1, and a second connecting member 8 is disposed to fix the second connecting member 8 and the reinforcing frame 2.
The reinforcing frame 2 is a frame body shaped like a Chinese character 'ri', and is used for enhancing the structural strength of the hatch door 1 and providing a connection site for connecting with the supporting member 5, in other embodiments, the shape of the reinforcing frame 2 can be changed according to the shape or strength requirement of the hatch door 1, such as a structure shaped like a Chinese character 'tian', and the like, and all of them are included in the protection scope of the present invention.
The carbon fiber reinforced resin is the carbon fiber reinforced material prepared from the carbon fiber/resin prepreg, and is not described in detail.
Strengthen frame 2 for carbon fiber reinforced resin, second connecting piece 8 includes metal connecting plate 82 and welding bolt 81, welding bolt 81 passes and welds in on the metal connecting plate 82, metal connecting plate 82 passes through the acrylic acid adhesive bonding and is in it deviates from to strengthen frame 2 one side of second connecting piece 8, be provided with fifth connecting hole 23 on strengthening frame 2, be provided with fourth connecting hole 511 on the second support 51, welding bolt 81 passes fifth connecting hole 23 and fourth connecting hole 511 set up nut 83 and carry out the tail end and fix.
In this embodiment, the metal connecting plate 82 is made of a 2.0mm steel plate and is used to increase the force-bearing area of the connecting position of the welding bolt 81 and the reinforcing frame 2, and in other embodiments, the metal connecting plate 82 may be made of a metal or an alloy such as copper, aluminum, and nickel.
As shown in fig. 7, the surface of the metal connecting plate 82 to be bonded to the reinforcing frame 2 is roughened to improve the bonding strength.
Specifically, a plurality of first recesses 821 are formed in the surface of the metal connecting plate 82, which is used for being bonded to the reinforcing frame 2, the plurality of first recesses 821 are circular, and the plurality of first recesses 821 are arranged in a matrix manner, so that the contact area between the reinforcing frame 2 and the acrylic adhesive is increased, and the bonding strength is improved. In other embodiments, the shape and arrangement of the first concave parts 821 can also adopt other structures, for example, the shape can adopt a square shape or a triangular shape, etc., the arrangement can adopt a circular array or an irregular arrangement, etc., and all of them should be included in the protection scope of the present invention.
As shown in fig. 6, the cabin door 1 is made of carbon fiber reinforced resin, the reinforcing frame 2 includes an arch portion 21 and extension portions 22 located at two sides of the arch portion 21, the extension portions 22 are bonded to the cabin door 1, and the extension portions 22 provided on the reinforcing frame 2 are beneficial to increasing the bonding area with the cabin door 1 and improving the bonding effect and the supporting effect.
As shown in fig. 2, in this embodiment, a sealing strip 4 is disposed on the hatch 1, the sealing strip 4 is disposed around a joint position between the inner edge of the hatch and the body frame 6, and the sealing strip 4 is located at the periphery of the reinforcing frame 2, and is configured to seal the hatch 1 and prevent moisture from permeating.
The inner side of the hatch, i.e. the side of the hatch which is directed towards the vehicle body when the hatch is assembled.
The support 5 is a gas spring, one end of which is rotatably connected to the first bracket 52 and the other end of which is rotatably connected to the second bracket 51, thereby supporting the hatch door 1 at different angles.
The installation structure of the hatch 1 further comprises hinge structures which respectively connect the top edge of the reinforcing frame 2 and the top edge of the body frame 6, i.e. in this embodiment, the hatch 1 can be opened by rotating around the top edge of the body frame 6.
Specifically, the hinge structure is a rubber hinge structure 3, and the rubber hinge structure 3 is formed by embedding a flexible rubber strip on the basis of an aluminum alloy hinge to improve the sealing effect and reduce noise, which is well known by those skilled in the art and is not described again.
The number of the supporting pieces 5 is multiple, when the cabin door 1 is in a closed state, the supporting pieces 5 are vertically arranged, the air spring is in a compressed state at the moment, the air spring is gradually extended along with the rotation opening of the cabin door 1, and when the cabin door 1 is in an opened state, the supporting pieces 5 are obliquely arranged to support the cabin door 1, so that the cabin door 1 can keep a certain opening angle.
As shown in fig. 2, 8 and 9, the installation structure of the hatch door 1 further includes a locking member 11 and a metal blocking piece 64, the locking member 11 includes a fastening seat 111 and a rotating handle 112, the hatch door 1 is provided with a fastening hole 12, the fastening seat 111 is inserted into and fastened in the fastening hole 12, the rotating handle 112 is rotatably connected to the fastening seat 111, and the metal blocking piece 64 is adhered to the body frame 6 through an acrylic glue.
When the hatch door 1 is in a closed state and the rotating handle 112 rotates to the position of the metal blocking piece 64, the rotating handle 112 and the metal blocking piece 64 are mutually clamped and limited, so that the hatch door 1 is kept in the closed state, and when the hatch door 1 needs to be opened, the rotating handle 112 is rotated to release the clamping and limiting of the rotating handle 112 and the metal blocking piece 64.
The metal baffle plate 64 is an L-shaped structure and is formed by bending a metal plate, and is divided into two sections by a bending part, one section is used for being bonded with the vehicle body frame 6, and the other section is used for generating limit with the rotating handle 112.
Similar to the connection manner of the metal connecting plate 82 and the reinforcing frame 2, the metal baffle plate 64 and the body frame 6 are also surface-connected by metal and carbon fiber reinforced resin, and the desired connection strength can be obtained by acrylic glue.
As shown in fig. 10, a plurality of second recesses 641 are provided on the surface of the metal blocking piece 64 for bonding to the vehicle body frame 6, and the second recesses 641 function similarly to the first recesses 821 to increase the contact area between the metal blocking piece 64 and the acrylic adhesive and improve the bonding strength.
The installation process of the installation structure of the hatch door 1 is specifically described below by way of an embodiment.
When the vehicle body frame 6 is prepared, a digital model of the vehicle body frame 6 is established, and corresponding characteristics are made on the vehicle body digital model at the position of the built-in plate 63. Setting the position relation and the size requirement of the vehicle body frame 6, manufacturing a corresponding die, marking a line on the die according to the corresponding position of the built-in plate 63 on the vehicle body frame 6, and marking. Then, carbon fiber/resin prepreg is laid layer by layer along the shape of the mold, then the built-in board 63 and the filling matrix 61 are placed in the mold in advance, the built-in board 63 is located at the mark of the mold, then carbon fiber/resin prepreg is laid layer by layer outside the built-in board 63 and the filling matrix 61, after the eighth layer is woven (the total thickness of the carbon fiber/resin prepreg is 3.6 mm), finally, air is pumped to form vacuum, and bag pressing molding is carried out.
The cabin door 1 and the reinforcing frame 2 are formed by carbon fiber/resin prepreg through air bag static pressure, and are manufactured and formed through densification process and subsequent treatment by mould bag pressing.
Two ends of the gas spring are respectively and rotatably connected with the first bracket 52 and the second bracket 51.
When the first bracket 52 is assembled, the position of the first bracket 52 on the vehicle body frame 6 is adjusted according to the corresponding relation of the cabin door 1 on the vehicle body frame 6, then a hole is drilled on the vehicle body frame 6 according to the position of the third connecting hole 521 on the first bracket 52, the drilling position penetrates through the fiber reinforced resin layer 62 and the built-in plate 63 to form a first connecting hole 631 and a second connecting hole 621, and finally a BOM blind rivet penetrates through the first connecting hole 631 and the second connecting hole 621 to rivet the first bracket 52 and the vehicle body frame 6 together.
When assembling the second bracket 51, first processing a first pit 821 on one surface of the metal connecting plate 82 to form a rough surface, penetrating and prewelding the welding bolt 81 on the surface of the metal connecting plate 82 without processing the first pit 821, forming a fifth connecting hole 23 on the reinforcing frame 2, forming a fourth connecting hole 511 on the second bracket 51, penetrating the welding bolt 81 through the fifth connecting hole 23 and the fourth connecting hole 511, and directly bonding the rough surface of the metal connecting plate 82 with the acrylic adhesive and the reinforcing frame 2 (the bonding thickness is 0.3mm-0.8 mm). The reinforcing frame 2 and the hatch 1 are directly bonded by acrylic glue, and the tail end of the welding bolt 81 is directly fastened by a nut 83 when the hatch 1 is finally assembled.
When the metal stopper 64 is assembled, the metal stopper 64 is formed into an L shape and is directly bonded to the vehicle body frame 6 by acrylic adhesive.
Fig. 11 shows a flow chart of a method for bonding the metal blocking plate 64.
The specific steps of bonding are that firstly, preassembling is carried out according to the car body frame 6 and the cabin door 1, the position of the metal blocking piece 64 on the car body frame 6 is found out, a line is drawn out, marking is carried out, then surface treatment is carried out, specifically, sanding is carried out, sand blasting and solvent cleaning are carried out on the surface to be bonded, acrylic glue is prepared, the surface is evenly coated on the mark position of the car body frame 6, airing is carried out, a second pit 641 is processed on the metal blocking piece 64 to form a rough surface, the rough surface of the metal blocking piece 64 is bonded at the line drawing position for superposition, the metal blocking piece 64 is fixed by a clamping plate, glue is evenly supplemented around the metal blocking piece 64, redundant residual glue is cleaned, after solidification, the clamping plate is loosened, bonding quality is checked, and refitting which can.
It should be noted that in this embodiment, other bonding methods by acrylic glue are similar to the bonding method of the metal blocking plate 64, and are not described again.
The inventor adopts different connection modes such as different types of glue bonding, riveting, bolt connection and the like when carrying out a connection test of the car body frame 6 and the cabin door 1, and finds that the connection mode adopting acrylic glue bonding is superior to the single riveting and bolt connection in both fatigue resistance and shearing force performance and is also superior to other types of glue connection through a large number of experiments. The specific test is as follows:
table 1 shows fatigue resistance test data of different fixing connection modes of the carbon fiber reinforced resin type cabin door 1, in which sample 1# is the installation structure of the cabin door 1 provided in this embodiment, and the test data shows that the fatigue resistance of the bracket bonded by acrylic glue is superior to that of the bracket bonded by riveting and bolt and other glue.
TABLE 1
Table 2 shows the shear force performance test data of the different fixing and connecting manners of the carbon fiber reinforced resin type cabin door 1, wherein the sample 1# and the sample 2# are the installation structure of the cabin door 1 provided in this embodiment, and the test data shows that the support is bonded by acrylic acid glue, and the shear force performance is superior to that of riveting and bolt connecting supports and other glue connections.
TABLE 2
As described above, the installation structure of the hatch door 1 bonded by the acrylic adhesive exhibits excellent performance in terms of both fatigue resistance and shear force performance.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (12)
1. A hatch assembly structure, comprising a hatch, a body frame and a support for connecting the hatch and the body frame;
the vehicle body frame comprises a filling base body, an embedded plate and a fiber reinforced resin layer, wherein the embedded plate is positioned on the surface layer of the filling base body, the fiber reinforced resin layer covers the outer layers of the filling base body and the embedded plate, a first connecting hole is formed in the embedded plate, and a second connecting hole is formed in the fiber reinforced resin layer in the position, facing the first connecting hole, of the first connecting hole;
the supporting piece is connected with a first support, and a third connecting hole is formed in the first support;
arranging a first connecting piece to penetrate through the third connecting hole, the second connecting hole and the first connecting hole so as to fix the vehicle body frame and the first support;
the filling base body is provided with a groove at the position, facing the first connecting hole, of the filling base body, the first connecting piece is a blind rivet, the head end of the blind rivet abuts against the first support, the tail end of the blind rivet sequentially penetrates through the third connecting hole, the second connecting hole and the first connecting hole and is clamped in the groove, and the fixing effect is generated through expansion of the tail end of the blind rivet;
the cabin door assembly structure further comprises a locking piece and a metal separation blade, the locking piece comprises a clamping seat and a rotating handle, a clamping hole is formed in the cabin door, the clamping seat is inserted into and clamped in the clamping hole, the rotating handle is rotatably connected to the clamping seat, and the metal separation blade is adhered to the automobile body frame through an acrylic acid glue;
when the cabin door is in a closed state and the rotating handle rotates to the position of the metal blocking piece, the rotating handle and the metal blocking piece are mutually clamped and limited;
the metal baffle is of an L-shaped structure and is formed by bending a metal plate, and the metal baffle is divided into two sections by a bending part, wherein one section is used for being bonded with a vehicle body frame, and the other section is used for generating limit with the rotating handle;
and a plurality of second pits are formed in the surface, used for being bonded with the vehicle body frame, of the metal baffle plate.
2. The door fitting structure according to claim 1, wherein the filling matrix is a polymer foam.
3. The door fitting structure according to claim 1, characterized in that said inner panel is a metal panel.
4. The door assembly structure according to claim 1, wherein the fiber reinforced resin layer includes a plurality of layers of carbon fiber/resin prepreg.
5. The door fitting structure according to claim 1, wherein a second bracket is attached to the support member, a reinforcement frame is provided on the door, and a second connecting member is provided to fix the second connecting member and the reinforcement frame.
6. The door fitting structure according to claim 5, wherein the reinforcing frame is made of carbon fiber reinforced resin, the second connecting member includes a metal connecting plate and a welding bolt, the welding bolt penetrates through and is welded to the metal connecting plate, the metal connecting plate is bonded to a side, facing away from the second connecting member, of the reinforcing frame by an acrylic adhesive, a fifth connecting hole is formed in the reinforcing frame, a fourth connecting hole is formed in the second bracket, and the welding bolt penetrates through the fifth connecting hole and the fourth connecting hole and is provided with a nut for tail end fixing.
7. Door fitting structure according to claim 6, characterized in that said metal web is provided with a first plurality of indentations on its surface intended to adhere to said reinforcing frame.
8. The door fitting structure according to claim 5, wherein said door is made of carbon fiber reinforced resin, and said reinforcement frame includes an arch portion and extensions on both sides of said arch portion, said extensions being bonded to said door.
9. A door fitting arrangement according to claim 5, wherein a sealing strip is provided on the door, the sealing strip being positioned around the inside edge of the door at the intersection with the body frame.
10. A door fitting structure according to claim 5, characterized in that said support member is a gas spring, one end of which is rotatably connected to said first bracket and the other end of which is rotatably connected to said second bracket.
11. A door fitting structure according to claim 10, further comprising rubber hinge structures connecting the top edges of the reinforcing frame and the body frame, respectively.
12. The door fitting structure according to claim 11, wherein the number of the supporting members is plural, the plural supporting members are vertically arranged when the door is in the closed state, and the plural supporting members are obliquely arranged when the door is in the open state.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710570758.2A CN109249784B (en) | 2017-07-13 | 2017-07-13 | Cabin door assembly structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710570758.2A CN109249784B (en) | 2017-07-13 | 2017-07-13 | Cabin door assembly structure |
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| CN109249784A CN109249784A (en) | 2019-01-22 |
| CN109249784B true CN109249784B (en) | 2021-04-06 |
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| CN201710570758.2A Active CN109249784B (en) | 2017-07-13 | 2017-07-13 | Cabin door assembly structure |
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| CN113830183B (en) * | 2021-09-26 | 2023-09-08 | 中国重汽集团济南动力有限公司 | Mounting structure for front face shield of heavy-duty car |
| CN117199669A (en) * | 2022-05-31 | 2023-12-08 | 比亚迪股份有限公司 | Battery protection bottom plate, battery package composite protection structure and vehicle |
Citations (5)
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| FR2874890A1 (en) * | 2004-09-03 | 2006-03-10 | Faurecia Interieur Ind Snc | Dashboard arrangement for motor vehicle, has rivets deformed to be fixed on structural part and to fit reinforcement part on former part, and screw and nut cooperating with rivet`s threaded sections to fix support part on former part |
| JP2013248911A (en) * | 2012-05-30 | 2013-12-12 | Asahi Glass Co Ltd | Plate-like body for vehicle window with framework and assembling method thereof |
| CN204659411U (en) * | 2015-05-22 | 2015-09-23 | 西安西沃客车有限公司 | Welded structure and there is its light bus aluminum back luggage compartment door |
| CN105416018A (en) * | 2014-09-16 | 2016-03-23 | 丰田自动车株式会社 | Vehicle body structure |
| CN106379145A (en) * | 2016-11-29 | 2017-02-08 | 安徽安凯汽车股份有限公司 | Reinforced luggage compartment door assembly mounting mechanism of passenger car |
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| FR2874890A1 (en) * | 2004-09-03 | 2006-03-10 | Faurecia Interieur Ind Snc | Dashboard arrangement for motor vehicle, has rivets deformed to be fixed on structural part and to fit reinforcement part on former part, and screw and nut cooperating with rivet`s threaded sections to fix support part on former part |
| JP2013248911A (en) * | 2012-05-30 | 2013-12-12 | Asahi Glass Co Ltd | Plate-like body for vehicle window with framework and assembling method thereof |
| CN105416018A (en) * | 2014-09-16 | 2016-03-23 | 丰田自动车株式会社 | Vehicle body structure |
| CN204659411U (en) * | 2015-05-22 | 2015-09-23 | 西安西沃客车有限公司 | Welded structure and there is its light bus aluminum back luggage compartment door |
| CN106379145A (en) * | 2016-11-29 | 2017-02-08 | 安徽安凯汽车股份有限公司 | Reinforced luggage compartment door assembly mounting mechanism of passenger car |
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| CN109249784A (en) | 2019-01-22 |
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