Paulin connection structure in a kind of vehicle articulated system
Technical field
The utility model relates to vehicle articulated mounting, is specifically related to the paulin connection structure in a kind of full size vehicle articulated system.
Background technology
Along with the quickening of Urbanization in China and the continuous increase of urban population, oneself becomes the key factor that affects city integral image and citizen's life urban public transport problem.Due to advancing by leaps and bounds of private motor vehicles development, cause road load to continue to increase, exhaust emission aggravation: full size vehicle, as fast public traffic system, is called for short BRT (Bus Rapid Transit), appears in the recent period in some large-and-medium size cities of China.BRT bus loading capacity is large, and vehicle body is longer, generally will be more than more than 10 meters (general BRT bus total length is 18~25m, carrying 200~300 people).
According to the fundamental principle of vehicle design, if a car is oversize, do not allow to adopt Integral frame structure, otherwise cannot turn because of road width restriction.So, for the full size vehicle of long vehicle body, generally adopt split Vehicle Frame Design, there are two joints, or three joints; Connecting hinge connection device between adjacent two joint compartments, the one, be used for connecting two joint car bodies, the 2nd, help long vehicle body to turn, the 3rd, keep vehicle stabilization.
Articulated mounting is extremely important for the design of passenger vehicle, and paulin is hinged is the common a kind of forms of people.Hinged fluffy be to connect the flexible connected body in the forward and backward joint of articulated bus compartment, it was both taken shelter from rain for passenger inside the vehicle becalms, and cushioned again the impact producing in Vehicle Driving Cycle process, still connected two joint gangway.When driving, due to road conditions complexity, so the hinged fluffy stressed different situations such as distortion, stretching, compression that have.
Common hinged fluffy structure is: polylith paulin is sewn into bouffancy shape, at paulin seam coupling metallic framework.The object one of coupling skeleton is that to maintain the fluffy shape of bouffancy relatively stable, the 2nd, play the effect of reinforcement seams intensity, and avoid the stressed rear generation Splitting of paulin, the 3rd, as the attaching parts that paulin is connected to compartment frame.The connection mode of existing paulin and metallic framework is: section bar clamps, rivet rivet clasp.As shown in Figure 1, 2, the seam portion 10 of two paulins is tucked in opening one's mouth of skeleton 20, then penetrates skeleton with rivet 30 paulin is fastening.The weak point of this structure is: 1) skeleton 20 inside face of opening one's mouth is smooth, if rivet can not enough be riveted tightly, is easy to paulin therefrom to pull and come off.2) installation procedure is many, and the paulin after making is first put in skeleton opens one's mouth, the preliminary contraction of then opening one's mouth to clamp, then with drill bit punching, finally rivet tightly with rivet.This wherein, punching easily causes damage to paulin and section bar, exists and the hidden danger such as leaks, tears.3) use the consumptive materials such as rivet, cost is also high.
Utility model content
Therefore,, in order to make paulin connection structure firm, the utility model provides a kind of vehicle articulated system paulin connection structure.This structure can overcome the deficiencies in the prior art, make hinged fluffy more firm, manufacturing procedure reduce.
For achieving the above object, the utility model is taked following technical scheme:
Paulin connection structure in a kind of vehicle articulated system, comprise the fluffy metallic framework with being connected to the fluffy seam of bouffancy portion of the bouffancy being sewn into by polylith paulin, described metallic framework is connecting the position of the fluffy seam of described bouffancy portion, for a mouth structure, in opening one's mouth described in the fluffy seam of described bouffancy portion is folded in, described in the internal gearing face of opening one's mouth to have a side at least be crocodile profile of tooth.
Further:
Described internal gearing face bilateral of opening one's mouth is all crocodile profile of tooth; Or, described in internal gearing face one side of opening one's mouth be crocodile profile of tooth, opposite side is smooth side.
The profile of tooth that described crocodile tooth is big or small uniformity; Or described crocodile tooth is the profile of tooth causing not of uniform size.
The described outside of opening one's mouth, the place corresponding with internal gearing face, is provided with local depression.
Described metallic framework and elongated connection of the fluffy seam of bouffancy portion.
The fluffy end of described bouffancy is also used described metallic framework, is connected with compartment fixed mount.
The utility model is owing to taking above technical scheme, it has the following advantages: 1, the utility model is due to the metallic framework that connects the fluffy seam of bouffancy portion is designed to opening one's mouth of crocodile odontoid, so when seam portion fluffy bouffancy is tucked into the middle clamping of opening one's mouth, rely on rough profile of tooth just the paulin interlock that has plastic deformation can be lived, do not need accessory appliances.2, crocodile tooth-shape structure, more level and smooth light face has increased occlusal contact area, has also increased the friction force of profile of tooth occlusal surface and paulin, so while pulling out paulin, be not easy to make paulin to come off.3, owing to not using the auxiliary members such as rivet, the phenomenon that therefore can not produce or seldom produce leak, tear.4, the utility model can also, at the local enforcement in the outside clamping point of opening one's mouth, inside and outside coordinate with crocodile tooth-shape structure, and paulin is fastening.Prove through emulation, the hinged fluffy structure of this crocodile profile of tooth, the type using is now more solid firmly.
Brief description of the drawings
Fig. 1 is the paulin articulated structure schematic diagram of prior art;
Fig. 2 is the metal framework structure schematic diagram of prior art;
Fig. 3 is the utility model paulin articulated structure embodiment 1 schematic diagram;
Fig. 4 is embodiment 1 structural representation of opening one's mouth, and internal gearing face is bilateral, even crocodile profile of tooth;
Fig. 5 is that embodiment 1 is interlock effect enlarged drawing;
Fig. 6 is embodiment 2 structural representation of opening one's mouth, and internal gearing face is bilateral, inhomogeneous crocodile profile of tooth;
Fig. 7 is embodiment 2 structural representation of opening one's mouth, and internal gearing face is the bilateral crocodile profile of tooth that interacts;
Fig. 8 is embodiment 3 structural representation of opening one's mouth, and internal gearing face is one-sided, even crocodile profile of tooth;
Fig. 9 is that embodiment 4 outer partial of opening one's mouth is got the design sketch of reinforcement ready.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figure 3, a kind of large-sized articulated hood cloth connection structure, comprises the bouffancy being sewn into by polylith paulin fluffy 1 and is connected to each seam portion of bouffancy fluffy 1, many metallic frameworks 2 to fluffy 1 sizing of bouffancy and reinforcement effect; Wherein, metallic framework 2 and elongated connection of the fluffy seam of bouffancy.The fluffy end of bouffancy is also to use two metallic frameworks 2, is connected respectively, by the hinged fluffy connection that realizes two joint compartments with the compartment fixed mount at two ends.
The feature of the hinged fluffy structure of the utility model is: metallic framework 2 one end are closed end 21, and the other end is the shape of opening one's mouth, and opens one's mouth 22 to be used for clamping the fluffy seam of bouffancy portion.Open one's mouth 22 internal gearing face 23 for crocodile profile of tooth, as shown in Figure 4.When connection, seam portion 11 fluffy bouffancy is tucked into and is opened one's mouth in 22, then clamp and open one's mouth from both sides, two crocodile profile of tooth internal gearing faces 23 are just embedded in two paulins.Because paulin is soft material, along with the continuous embedding of profile of tooth occlusal surface 23, paulin produces corresponding plastic deformation gradually, thus with the interlock of internal gearing face.Fig. 5 is interlock design sketch, because profile of tooth internal gearing face is rough, so can make seam portion 11 produce lateral deformation in cross-sectional direction, this distortion has increased the area of contact of profile of tooth occlusal surface and paulin, increase the friction force of profile of tooth occlusal surface and paulin, so while pulling out paulin, be not easy to make paulin to come off.Meanwhile, this structure is to rely on the snap-in force of tooth-shape structure that paulin is fastening completely, does not need to use rivet, therefore can not produce or seldom produce the phenomenon of tearing.
That several example structure are for reference below.
Embodiment 1
As shown in Figure 4,5, the open one's mouth internal gearing face of both sides of skeleton is designed to crocodile profile of tooth by this embodiment, and owing to being that bilateral clamps distortion, this effect is better.And the profile of tooth that the internal gearing face crocodile odontoid of this embodiment is uniformity, the facewidth, tooth depth and the space of tooth of each tooth is all the same.
Embodiment 2
As shown in Figure 6, the open one's mouth internal gearing face of both sides of skeleton is designed to crocodile profile of tooth by this embodiment, and owing to being that bilateral clamps distortion, this effect is better.But the internal gearing face crocodile odontoid of this embodiment is inconsistent, the facewidth, tooth depth or the space of tooth of each tooth is not exclusively the same.
Embodiment 3
As shown in Figure 7, the open one's mouth internal gearing face of both sides of skeleton is designed to crocodile profile of tooth by this embodiment, and owing to being that bilateral clamps distortion, this effect is better.The internal gearing face crocodile odontoid of this embodiment is interlaced, and convex-concave is mutually corresponding.
Embodiment 4
As shown in Figure 8, the skeleton side internal gearing face of opening one's mouth is designed to crocodile profile of tooth by this embodiment, and opposite side is designed to smooth side, and this effect is poor compared with embodiment 1,2,3, because only have a side to apply snap-in force.And this embodiment can use for reference embodiment 1,2, tooth-shape structure both can have been selected uniformity, also can select inconsistent.
Embodiment 5
As shown in Figure 9, this embodiment can improve on any embodiment basis in embodiment 1~4 above.Both the internal gearing face that skeleton had been opened one's mouth can be both that bilateral has crocodile profile of tooth, can be also the one-sided crocodile profile of tooth that has; Meanwhile, tooth-shape structure can be both uniformity, can be also inconsistent.The feature that this embodiment has is, on any basis of embodiment 1~4, can add local dent formula in the outside of opening one's mouth and get ready.Local dent formula is got the outside of opening one's mouth exactly ready, the place corresponding with internal gearing face, after paulin is filled in and is opened one's mouth, use the outside faces of opening one's mouth such as pliers to go out a depression to inner clip, depressed part 24 is inside and outside combined with internal gearing face 23, make the part of skeleton and paulin produce plastic deformation simultaneously, act from inside in coordination with forces attacking from outside, increase the snap-in force between section bar and paulin.
In sum, feature of the present utility model is that the metallic framework internal gearing mask of opening one's mouth has crocodile profile of tooth, and this internal gearing face is the shape of crocodile tooth, can have multiplely, and a kind of can be the profile of tooth of uniformity; Another kind can be tooth depth and facewidth shape not of uniform size.
In addition, for internal gearing face, also a side occlusal surface can be designed to profile of tooth, opposite side is designed to level and smooth shape; But preferably mode is still that the occlusal surface of both sides is all designed to profile of tooth, understand like this from both direction simultaneously interlock clamping action.
Further, the outside that can open one's mouth at metallic framework, the place corresponding with internal gearing face, presss from both sides by fixing device the local depression that traps out, and is inside and outside combined with internal gearing face, makes the part of skeleton and paulin produce plastic deformation simultaneously, strengthens and clamps effect.
Above embodiment has passed through motion simulation, shows through emulation, and this hinged fluffy tarpaulin connection structure resistance ability is strong, and paulin is not easy to be torn, and paulin is made simple, only paulin need be packed into, then will open one's mouth to clamp, and has extended hinged fluffy service life.