CN106740373B - A kind of automobile tailboard - Google Patents

A kind of automobile tailboard Download PDF

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Publication number
CN106740373B
CN106740373B CN201710060286.6A CN201710060286A CN106740373B CN 106740373 B CN106740373 B CN 106740373B CN 201710060286 A CN201710060286 A CN 201710060286A CN 106740373 B CN106740373 B CN 106740373B
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China
Prior art keywords
substrate
reinforcement
transverse slat
stringer board
automobile tailboard
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CN106740373A (en
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阮卜琴
肖招银
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Zhejiang Topsun Logistic Control Co Ltd
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Zhejiang Topsun Logistic Control Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60PVEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P1/00Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
    • B60P1/44Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading having a loading platform thereon raising the load to the level of the load-transporting element
    • B60P1/4492Design or construction of the moving platform itself

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The present invention provides a kind of automobile tailboards, belong to handling facilities technical field.It solves the problems, such as that existing automobile tailboard cannot not only meet intensity requirement but also meets light-weight design requirement.This structure improved automobile tailboard, including substrate and panel, the panel is covered on substrate and is fixedly connected with substrate, it is characterized in that, the upper surface of the substrate is integrally formed with several reinforcement transverse slats and several reinforcement stringer boards, the reinforcement transverse slat and reinforcement stringer board are in that flat-shaped and the reinforcement transverse slat and reinforcement stringer board are vertically arranged with panel, if the reinforcement transverse slat and reinforcement stringer board have staggeredly been enclosed dry-packing cavity, each filling cavity is interior filled with filler for plastic.This structure improved automobile tailboard realizes the light-weight design of tailgate under the premise of meeting intensity requirement.

Description

A kind of automobile tailboard
Technical field
The invention belongs to handling facilities technical fields, are related to a kind of automobile tailboard.
Background technique
Automobile tailboard is mounted on truck tail, and the promotion or landing of automobile tailboard are controlled by hydraulic device, realizes cargo Handling, are widely used in the various industries such as logistics, postal service, manufacture, can increase substantially transport and the efficiency of loading and unloading, be modern compound Flow one of the important equipment of transport.Traditional automobile tailboard is in order to guarantee to have enough intensity, generally by solid steel plate system It makes, it is even higher that the thickness of steel plate usually arrives on 6mm, although such automobile tailboard intensity is enough big, quality is very heavy, It is unfavorable for reducing the oil consumption of automobile, and high production cost.Since weight is big, use also inconvenient.Therefore, also spread out More and more improvement are born.
For example, Chinese patent (notification number: 201873351U;The day for announcing: 2011.06.22) disclose a kind of automobile tailboard Panel includes panel body, the support for being fixed on panel body one end, the gusset that panel body bottom end is arranged in, panel master It includes the first template, the second template, third template that body, which is fastened and connected mutually by several pieces of templates and forms template,.In assembling, only Template is fastened and connected mutually and constitutes panel body.
Aforementioned patents disclose inside the first template of automobile tailboard, the second template and third template at hollow structure, The weight of automobile tailboard can be reduced to a certain extent, while reinforcing rib is utilized to promote the intensity of automobile tailboard.But it should Automobile tailboard has the disadvantage that if reinforcing rib setting is very little, the intensity or deficiency of automobile tailboard, if reinforcing rib Setting is too many, then can not achieve the light-weighted design of automobile tailboard again, it is difficult to hold balance;Moreover, the automobile tailboard is pressurized It can not be sprung back after deformation, therefore service life is short, the quality that can be carried is extremely limited.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, a kind of automobile tailboard is proposed, the present invention wants The technical issues of solution, is: the light-weight design of tailgate how is realized under the premise of meeting intensity requirement.
Object of the invention can be realized by the following technical scheme:
A kind of automobile tailboard, including substrate and panel, the panel are covered on substrate and are fixedly connected with substrate, special Sign is, the upper surface of the substrate integrally formed with several reinforcement transverse slats and several reinforcement stringer boards, the reinforcement transverse slat and plus Strong stringer board is in that flat-shaped and the reinforcement transverse slat and reinforcement stringer board are vertically arranged with panel, the reinforcement transverse slat and reinforcement If stringer board has staggeredly been enclosed dry-packing cavity, filler for plastic is filled in each filling cavity.
All structures on this automobile tailboard be it is integrally formed, not only simplify production process and overall structure be strong Degree is high, connection is reliable.Resistance to compression and bending resistance energy of the substrate on longitudinal direction and transverse direction can be guaranteed respectively by reinforcing transverse slat and reinforcement stringer board Power.Specifically, reinforcement transverse slat of the invention and reinforcement stringer board and substrate are integrally formed, and stress directly can be transmitted to substrate Place, the structure rather than common seperated pin-connected panel make stress concentrate on reinforcing transverse slat and reinforce causing local pressure uneven at stringer board It is easy to cause and reinforces transverse slat or reinforce stringer board fracture, therefore ensure that the intensity of entire tailgate.By making to reinforce transverse slat and reinforce vertical Plate is vertically arranged with panel, and can guarantee the power passed over by panel largely is vertical extruding force, avoids setting because of inclination It sets and causes the shearing force reinforced transverse slat and reinforce stringer board receiving part, and then avoid reinforcing transverse slat and reinforce stringer board to be easy Fracture, therefore the structure design more than passing through can further strengthen the intensity of automobile tailboard.
In addition, the present invention is reinforcing transverse slat and is reinforcing stringer board to be formed by fill being filled with filler for plastic in cavity, modeling Expect the very light weight of filler, therefore significantly reduce the weight of automobile tailboard, realizes light-weight design.The plastics are filled out simultaneously Filling agent can also be bundled together all structures with part as adhesion agent, be linked to be stronger entirety, further guarantee The intensity of tailgate.Structure design more than passing through as a result, under the premise of meeting intensity requirement, realizes the light weight of tailgate Change design.
In above-mentioned automobile tailboard, the upper surface of the substrate also integrally formed with honeycomb and is formed with several equal The honeycomb hole of even arrangement.The inside of honeycomb is through there is thickly dotted honeycomb hole, and honeycomb entirety consumptive material is less, therefore Corresponding lighter weight.The cavity structure or corrugated structure being different from inside conventional substrate, the compression strength of honeycomb are 2-75 times of corrugated structure, flexural strength are 2 times of corrugated structure transverse strength, and longitudinal 29 times, resistance to compression, fracture resistance are excellent It is good, therefore the intensity of automobile tailboard can be effectively improved.
In above-mentioned automobile tailboard, the length direction of the honeycomb hole is perpendicular with panel.Make honeycomb in this patent Hole is evenly distributed and guarantees that its length direction and panel are perpendicular, so that stronger load direction and the panel phase of honeycomb Vertically, the intensity of entire automobile tailboard is further increased.
In above-mentioned automobile tailboard, the upper surface of the substrate is also integrally formed at least two settings that intersect Pre-buried drag-line, the opposite reinforcement transverse slat of every pre-buried drag-line and opposite stringer board of reinforcing are inclined to set.Specifically, it is pouring Pre-buried drag-line is just first put well in the die cavity of shaping substrate before casting substrate, makes pre-buried drag-line with the forming process and base of substrate Plate combines together.And pre-buried drag-line due to being obliquely installed therefore can run through most of and reinforce transverse slat and reinforce stringer board, energy The reinforcement transverse slat that certain is locally located or the stress reinforced above stringer board are uniformly transferred along the length direction of pre-buried drag-line, that is, pass through one Stress can be transversely transferred on remaining reinforcement transverse slat and reinforcement stringer board with longitudinal in the formula of stretching by body formed pre-buried drag-line, side It helps and undertakes stress, guarantee the integral strength of substrate.
In above-mentioned automobile tailboard, the quantity of the pre-buried drag-line is two, the both ends point of every pre-buried drag-line It does not extend at two sidewalls opposite on substrate.As long as the quantity of pre-buried drag-line two can meet intensity requirement, while can again The quantity for reducing pre-buried drag-line meets the requirement of lightweight setting.Extend to pre-buried drag-line at the opposite two sidewalls of substrate, no Pipe is that two side walls being located in transverse direction or two are located at longitudinal side wall, can guarantee that pre-buried drag-line at least runs through The whole length direction of substrate or entire width direction guarantee that uniform force can be transferred to each of substrate by pre-buried drag-line Place.
In above-mentioned automobile tailboard, it is recessed inwardly and with several in the recessed of arc surfaced on the lower surface of the substrate Slot is formed with positioning surface between the adjacent groove.By the way that the groove being recessed inwardly is arranged in the lower surface of substrate, can reduce A part of weight of substrate, the groove face of the groove are arcs, and corresponding it is desirable that the upper surface of substrate is also formed upwards Convex arc convex, and the arc groove face and arc convex face can be incited somebody to action just as arch bridge structure since surface is curved Load is converted to the pressure perpendicular to arch section, therefore when being received through the loading force that top panel passes at this What substrate was mainly subject to is mutual extruding force, and seldom generates pulling force, and the anti-pressure ability of plate will be much stronger than tension Power, therefore be not easy to produce fracture or damage, the intensity of entire automobile tailboard is effectively guaranteed.Positioning surface can then help vapour Tailstock plate preferably connect positioning with ground, and certain positioning surface is preferably straight.
In above-mentioned automobile tailboard, several reinforcing ribs are equipped in each reinforcement transverse slat and reinforcement stringer board and are added Strengthening tendons and reinforcement transverse slat and reinforcement stringer board are integrally formed, and the reinforcing rib is uniform along the length direction for reinforcing transverse slat or reinforcement stringer board Arrangement.Reinforcing rib, and then reinforcing rib after substrate has been cast just have been drawn at the both ends of mold by tool before substrate of casting It is just fixed on together and reinforces transverse slat and reinforce in stringer board, and the reinforcing rib can be further ensured that reinforcement transverse slat and reinforce stringer board Bending resistance and shear resistance, and then improve the intensity of entire automobile tailboard.
In above-mentioned automobile tailboard, the reinforcing rib is wirerope or long fibre, and the substrate is reinforced transverse slat and added Strong stringer board is made of metal-base composites.Wirerope and long fibre tensile capacity all with higher, when with reinforce transverse slat It can guarantee entire substrate tensile capacity all with higher later with stringer board integrated molding is reinforced, guarantee that substrate has higher-strength It is not easy to break.And the transverse direction and shear strength of metal_based material are higher, the comprehensive mechanical properties such as toughness and fatigue are preferable, therefore, Substrate in the present invention reinforces transverse slat and reinforces stringer board intensity with higher and service life.And the thermal expansion of metal_based material Coefficient is almost close to zero, here with reinforcing rib with the use of more appropriate.
In above-mentioned automobile tailboard, each transverse slat of reinforcing is being provided with overflow launder with the intersection for reinforcing stringer board One, each stringer board of reinforcing is being provided with overflow launder two with the intersection for reinforcing transverse slat.By reinforcing transverse slat and reinforcing Overflow launder is set on stringer board, can guarantee that the filler for plastic can be flowed to uniformly and quickly each when filled plastics filler A filling cavity, guarantees final filling effect.Also, the design for passing through overflow launder one and overflow launder two, can make all fillings Filler for plastic in cavity is linked to be an entirety rather than is divided into independent component, therefore can guarantee entire automobile tailboard With higher bonding strength.
In above-mentioned automobile tailboard, all overflow launders one are respectively positioned on the upper end for reinforcing transverse slat, all described excessive Chute two is respectively positioned on the upper end for reinforcing stringer board and each overflow launder one intersects with corresponding overflow launder two.Make overflow launder One and overflow launder two cross, adjacent four fillings cavity can be made all to pass through the intersection and be connected, guarantee filling it is more uniform, Guarantee final molding effect.
In above-mentioned automobile tailboard, the side of the substrate is described to install the upper of convex edge integrally formed with installation convex edge Surface and the lower surface of panel mutually recline, the thickness of the substrate from close to installation convex edge one be laterally away from installation convex edge side by It is decrescence few.Installation convex edge can guarantee that substrate preferably leans with panel and connect, and guarantee connectivity robustness.It can also be convex in installation More firm connection is realized along structures such as upper setting mounting holes appropriate and by connectors such as bolts.In order to make entire automobile Tailgate more meets use habit, and one end of tail end is also arranged to relatively thin, thicker, the interior thickness of other end setting in the present invention Smooth transition guarantees cargo can be facilitated smoothly to move when the relatively thin one end of automobile tailboard is connected on ground.
In above-mentioned automobile tailboard, the filler for plastic is polyurethane, and the pre-buried drag-line is wirerope or reinforcing bar. Polyurethane has preferable resistance to ag(e)ing and adhesiveness, therefore after filling can be well by each encapsulated by structures on substrate Get up and form a stronger entirety, effectively raise the intensity of entire automobile tailboard, at the same the quality of polyurethane compared with Gently, also it is well positioned to meet the requirement of light-weight design.And wirerope and reinforcing bar tensile capacity all with higher, when with substrate It can guarantee entire substrate tensile capacity all with higher after being integrally formed, guarantee that substrate has higher-strength not easy to break.
Compared with prior art, the present invention has the advantage that
1, the substrate on this automobile tailboard, reinforcement transverse slat, reinforcement stringer board, pre-buried drag-line, reinforcing rib are integrally formed, It not only simplifies production process and overall structural strength is high, it is reliable to connect.It is formed simultaneously in reinforcement transverse slat with stringer board is reinforced Filling cavity in be filled with filler for plastic, the very light weight of filler for plastic, therefore significantly reduce the weight of automobile tailboard Amount, under the premise of meeting intensity requirement, realizes the light-weight design of tailgate.
2, by being vertically arranged reinforcement transverse slat and reinforcement stringer board and panel, it can guarantee that the power passed over by panel is big Part is vertical extruding force, avoids causing to reinforce transverse slat because being obliquely installed and reinforces the shearing force that stringer board bears part, into And avoid reinforcing transverse slat and reinforce stringer board to be easily broken off, further strengthen the intensity of automobile tailboard.
3, integrally formed with honeycomb and several evenly distributed honeycomb holes also are formed in the upper surface of substrate, so that The stronger load direction of honeycomb is perpendicular with panel, further increases the intensity of entire automobile tailboard.
Detailed description of the invention
Fig. 1 is the schematic perspective view of automobile tailboard in embodiment one.
Fig. 2 is the schematic perspective view of substrate in embodiment one.
Fig. 3 is the top view of substrate in embodiment one.
Fig. 4 is the cross section view in Fig. 3 after populated filler for plastic.
Fig. 5 is the schematic perspective view of another angle of substrate in embodiment one.
Fig. 6 is the schematic perspective view of substrate in embodiment two.
Fig. 7 is the portion the A enlarged drawing of Fig. 6.
In figure, 1, substrate;11, groove;12, positioning surface;2, panel;3, reinforce transverse slat;31, overflow launder one;4, reinforce vertical Plate;41, overflow launder two;5, cavity is filled;6, filler for plastic;7, pre-buried drag-line;8, honeycomb hole;9, reinforcing rib;10, it installs convex Edge.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described, However, the present invention is not limited to these examples.
Embodiment one:
As shown in Figures 1 to 5, a kind of automobile tailboard, including substrate 1 and panel 2, the covering of panel 2 is on substrate 1 and and base Plate 1 is fixedly connected, and the upper surface of panel 2 has more lines protrusion or carries out hollow processing, anti-to increase skin-friction force Only skid.Reinforce transverse slat 3 integrally formed with several reinforcement transverse slats 3 and several reinforcement stringer boards 4 and reinforce vertical in the upper surface of substrate 1 Plate 4 can guarantee resistance to compression and bending resistance of the substrate 1 on longitudinal direction and transverse direction respectively, and reinforcement transverse slat 3 of the invention and plus Strong stringer board 4 is integrally formed with substrate 1, and makes to reinforce transverse slat 3 and reinforce stringer board 4 to be vertically arranged with panel 2.By with panel 2 It is vertically arranged, can guarantee the power passed over by panel 2 largely is vertical extruding force, and can be directly transmitted to stress At substrate 1, the shearing force for causing to reinforce transverse slat 3 because being obliquely installed and reinforcing the receiving of stringer board 4 part is avoided, and then avoid Reinforce transverse slat 3 and reinforcement stringer board 4 is easily broken off.
As shown in Figure 2, Figure 4 shows, reinforce transverse slat 3 and reinforcement stringer board 4 is in flat-shaped and reinforces transverse slat 3 and reinforce stringer board 4 If being staggeredly enclosed dry-packing cavity 5, filler for plastic 6, the matter of filler for plastic 6 are filled in each filling cavity 5 Amount is very light, therefore significantly reduces the weight of automobile tailboard, realizes light-weight design.The filler for plastic 6 can also picture simultaneously All structures are equally bundled together by adhesion agent with part, are linked to be stronger entirety.Filler for plastic 6 herein is preferably Polyurethane.Polyurethane has preferable resistance to ag(e)ing and adhesiveness, after filling can be well by each structure on substrate 1 A stronger entirety is wrapped up and formed, the intensity of entire automobile tailboard, while the matter of polyurethane are effectively raised Amount is lighter, is also well positioned to meet the requirement of light-weight design.
In the present embodiment, pre-buried drag-line 7 of the upper surface of substrate 1 also integrally formed with two settings that intersect, every Pre-buried drag-line 7 reinforces transverse slat 3 relatively and opposite reinforcement stringer board 4 is inclined to set and the both ends of every pre-buried drag-line 7 are prolonged respectively It extends at two sidewalls opposite on substrate 1.It can be by stress transversely with longitudinal in formula of stretching by integrally formed pre-buried drag-line 7 It is transferred to remaining to reinforce transverse slat 3 and reinforce on stringer board 4, help undertakes stress.Pre-buried drag-line 7 herein is preferably wirerope or steel Muscle.Wirerope and reinforcing bar tensile capacity all with higher can guarantee that entire substrate 1 all has after being integrally formed with substrate 1 There is higher tensile capacity, guarantees that substrate 1 has higher-strength not easy to break.Further, the upper surface of substrate 1 also one at Type has honeycomb and is formed with several evenly distributed honeycomb holes 8.The inside of honeycomb, which is run through, thickly dotted honeycomb Hole 8, honeycomb entirety consumptive material is less, therefore corresponding lighter weight.The cavity structure that is different from inside conventional substrate 1 or Corrugated structure, honeycomb resistance to compression, fracture resistance are excellent, therefore can effectively improve the intensity of automobile tailboard.Specifically, will also The length direction of honeycomb hole 8 is perpendicular with panel 2, and the short transverse of honeycomb hole 8 and panel 2 are perpendicular in other words, makes in this way Stronger load direction and the panel 2 for obtaining honeycomb are perpendicular, further increase the intensity of entire automobile tailboard.
As shown in figure 5, with several grooves 11 for being recessed inwardly and be in arc surfaced, adjacent grooves on the lower surface of substrate 1 Positioning surface 12 is formed between 11, positioning surface 12 can help automobile tailboard to be bonded placement with ground.By in the lower surface of substrate 1 It the groove 11 being recessed inwardly be set, can reduce a part of weight of substrate 1, and the corresponding substrate 1 that can make of the groove 11 Upper surface forms upward arc convex, and the protrusion can turn load since surface is curved just as arch bridge structure Be melted into perpendicular to arch section pressure, therefore be received through top panel 2 pass over loading force when mainly by Be mutual extruding force, and seldom generate pulling force, and the anti-pressure ability of plate will be much stronger than stretching resistance, therefore is not easy It produces fracture or damages.
As shown in Fig. 2, installing the upper of convex edge 10 integrally formed with installation convex edge 10 in the side of substrate 1 in the present embodiment Surface and the lower surface of panel 2 mutually recline, and the thickness of substrate 1 is laterally away from installation 10 side of convex edge from close to installation convex edge 10 It gradually decreases.Installation convex edge 10 can guarantee that substrate 1 preferably leans with panel 2 and connect, and guarantee connectivity robustness.Certainly, also The structures such as setting mounting hole appropriate and the more firm connection of the connectors such as bolt realization can be passed through on installation convex edge 10. In order to make entire automobile tailboard more meet use habit, one end of tail end is also arranged to relatively thin, other end setting in the present invention Thicker, interior thickness smooth transition, guarantee cargo can be facilitated smoothly to move when the relatively thin one end of automobile tailboard is connected on ground It is dynamic.
For to sum up, the present embodiment just first puts pre-buried drag-line 7 well before substrate 1 of casting in the die cavity of shaping substrate 1, Pre-buried drag-line 7 is set to combine together with the forming process of substrate 1 with substrate 1.Therefore, the institute in the present embodiment on automobile tailboard Structure be it is integrally formed, not only enormously simplify production process, facilitate processing, and overall structural strength is high, even It connects reliable.
Embodiment two:
The present embodiment is essentially identical with the structure and principle of embodiment one, the difference is that: as shown in fig. 6, this The not set honeycomb in the upper surface of automobile tailboard, but several reinforcing ribs are equipped in each reinforcement transverse slat 3 and reinforcement stringer board 4 9 and reinforcing rib 9 and reinforce transverse slat 3 and reinforce stringer board 4 be integrally formed, reinforcing rib 9 along reinforce transverse slat 3 or reinforcement stringer board 4 length Direction is evenly distributed.It specifically, is that reinforcing rib 9 has just been drawn at the both ends of mold by tool before substrate 1 of casting, in turn Reinforcing rib 9 is just fixed on together after the casting of substrate 1 is good reinforces transverse slat 3 and reinforces in stringer board 4, upper and lower mould after forming Tool separation, as long as at this time cutting off the extra reinforcing rib 9 for being exposed at 1 outside of substrate.And the reinforcing rib 9 can be further ensured that Reinforce transverse slat 3 and reinforce 4 bending resistance of stringer board and shear resistance, and then improves the intensity of entire automobile tailboard.It certainly, also can also be Also reinforcing rib 9 is worn on substrate 1 to further increase the intensity of entire automobile tailboard.
Reinforcing rib 9 in the present embodiment is preferably wirerope or long fibre, and wirerope and long fibre are all with higher anti- Drawing ability can guarantee entire substrate 1 tension energy all with higher after with transverse slat 3 and the reinforcement integrated molding of stringer board 4 is reinforced Power guarantees that substrate 1 has higher-strength not easy to break.In addition, substrate 1, reinforcement transverse slat 3 and reinforcement stringer board 4 are preferably by metal Based composites are made.The transverse direction and shear strength of metal_based material are higher, and the comprehensive mechanical properties such as toughness and fatigue are preferable, and And therefore its thermal expansion coefficient, is used cooperatively with reinforcing rib 9 more appropriate here almost close to zero.
As shown in fig. 7, each transverse slat 3 of reinforcing is being provided with overflow launder 1, Mei Gejia with the intersection for reinforcing stringer board 4 Strong stringer board 4 is being provided with overflow launder 2 41 with the intersection for reinforcing transverse slat 3.By reinforcing transverse slat 3 and reinforcing setting on stringer board 4 Overflow launder is set, can guarantee that the filler for plastic 6 can uniformly and quickly flow to each filling when filled plastics filler 6 Cavity 5 guarantees final filling effect.Also, the design for passing through overflow launder 1 and overflow launder 2 41 can make all fillings recessed Filler for plastic 6 in chamber 5 is linked to be an entirety rather than is divided into independent component, therefore can guarantee entire automobile tailboard With higher bonding strength.Specifically, all overflow launders 1 are respectively positioned on the upper end for reinforcing transverse slat 3, all overflow launders 2 41 be respectively positioned on reinforce stringer board 4 upper end and each overflow launder 1 intersect with corresponding overflow launder 2 41, can make Adjacent four fillings cavity 5 is all connected by the intersection, is guaranteed the more uniform of filling, is guaranteed final molding effect.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although substrate 1 is used more herein, panel 2, reinforces the terms such as transverse slat 3, it is not precluded and uses other arts A possibility that language.The use of these items is only for be more convenient to describe and explain essence of the invention;It is construed as Any additional limitation is disagreed with spirit of that invention.

Claims (9)

1. a kind of automobile tailboard, including substrate (1) and panel (2), the panel (2) be covered on substrate (1) and with substrate (1) It is fixedly connected, which is characterized in that the upper surface of the substrate (1) is vertical integrally formed with several reinforcement transverse slats (3) and several reinforcements Plate (4), the reinforcement transverse slat (3) and reinforce stringer board (4) in flat-shaped and reinforce transverse slat (3) and reinforcement stringer board (4) with Panel (2) perpendicular setting, the reinforcement transverse slat (3) and reinforcement stringer board (4) have been enclosed dry-packing cavity (5) if interlocking, Filler for plastic (6) are filled in each filling cavity (5), it is each it is described reinforce transverse slat (3) with reinforce stringer board (4) Intersection is provided with overflow launder one (31) and all overflow launders one (31) are respectively positioned on the upper end for reinforcing transverse slat (3), Mei Gesuo It states reinforcement stringer board (4) and is being provided with overflow launder two (41) and all overflow launders two (41) with the intersection for reinforcing transverse slat (3) Positioned at the upper end for reinforcing stringer board (4), each overflow launder one (31) intersects with corresponding overflow launder two (41).
2. automobile tailboard according to claim 1, which is characterized in that the upper surface of the substrate (1) also integrally formed with Honeycomb is simultaneously formed with several evenly distributed honeycomb holes (8).
3. automobile tailboard according to claim 2, which is characterized in that the length direction of the honeycomb hole (8) is and panel (2) perpendicular.
4. automobile tailboard according to claim 1 or 2 or 3, which is characterized in that the upper surface of the substrate (1) is also integrated Form the pre-buried drag-line (7) of at least two settings that intersect, every pre-buried drag-line (7) is opposite reinforce transverse slat (3) and Opposite reinforce stringer board (4) are inclined to set.
5. automobile tailboard according to claim 4, which is characterized in that the quantity of the pre-buried drag-line (7) is two, every The both ends of the pre-buried drag-line (7) extend respectively at two sidewalls opposite on substrate (1).
6. automobile tailboard according to claim 1 or 2 or 3, which is characterized in that have on the lower surface of the substrate (1) Several grooves (11) for being recessed inwardly and be in arc surfaced, are formed with positioning surface (12) between the adjacent groove (11).
7. automobile tailboard according to claim 1 or 2 or 3, which is characterized in that each reinforcement transverse slat (3) and reinforcement It is equipped with several reinforcing ribs (9) in stringer board (4) and reinforcing rib (9) is integrally formed with reinforcement transverse slat (3) and reinforcement stringer board (4), The reinforcing rib (9) is evenly distributed along the length direction for reinforcing transverse slat (3) or reinforcement stringer board (4).
8. automobile tailboard according to claim 7, which is characterized in that the reinforcing rib (9) is wirerope or long fibre, institute Substrate (1), reinforcement transverse slat (3) and reinforcement stringer board (4) stated are made of metal-base composites.
9. automobile tailboard according to claim 1 or 2 or 3, which is characterized in that the side of the substrate (1) is integrally formed Have installation convex edge (10), the upper surface of installation convex edge (10) and the lower surface of panel (2) mutually recline, the substrate (1) Thickness is laterally away from installation convex edge (10) side from close installation convex edge (10) one and gradually decreases.
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