CN208855391U - Door anti-collision joist, door assembly and vehicle - Google Patents

Abstract

The utility model discloses a kind of door anti-collision joist, door assembly and vehicles, the door anti-collision joist is roll-forming, the door anti-collision joist includes the first tube body and the second tube body, the first end of first tube body is connected with the first end of second tube body by linkage section, the second end of first tube body extends the first extended segment, the second end of second tube body extends the second extended segment, and first extended segment, second extended segment, the linkage section is stacked and is fixedly connected.The door anti-collision joist of the utility model, door anti-collision joist are roll-forming, and tooling cost is low and can realize that multiple vehicles are general, production cost is reduced, door anti-collision joist has closed cavity, is conducive to improve itself rigidity, and car door anti-collision cantilever thickness is lower, quality is smaller, it is not only light but also practical.

Description

Door anti-collision joist, door assembly and vehicle

Technical field

The utility model belongs to technical field of vehicle manufacture, in particular to a kind of door anti-collision joist, has the car door The door assembly of collision prevention girders and vehicle with the door assembly.

Background technique

Door anti-collision joist is the important safety part of door device, while being also the main contributions part of door device weight.Phase In the technology of pass, some door anti-collision joists use section for the super-high strength steel pressed sheet of " W " type, but material cost is higher, and need Stamping die is developed, production cost is higher；Other are using the pipe girder construction being heat-treated, but the door anti-collision joist of pipe girder construction is adopted It is easy to produce welding deformation with melting welding connection, influences automobile door welding precision, and pipe girder construction is difficult during installation and door skin Fitting, there are improved spaces.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions A kind of door anti-collision joist out, the door anti-collision joist are roll-forming, and intensity is big and light weight.

According to the door anti-collision joist of the utility model embodiment, the door anti-collision joist is roll-forming, the preventing car door Hitting beam includes the first tube body and the second tube body, and the first end of first tube body passes through with the first end of second tube body to be connect Duan Xianglian, the second end of first tube body extend the first extended segment, and the second end of second tube body is extended second and prolonged Section is stretched, first extended segment, second extended segment, the linkage section is stacked and is fixedly connected.

According to the door anti-collision joist of the utility model embodiment, door anti-collision joist is roll-forming, and tooling cost is low And can realize that multiple vehicles are general, production cost is reduced, door anti-collision joist has closed cavity, has been conducive to improve itself just Property, and car door anti-collision cantilever thickness is lower, quality is smaller, it is not only light but also practical.

According to the door anti-collision joist of the utility model one embodiment, first extended segment, second extended segment, institute Linkage section is stated sequentially to be bonded and form three layers of welding structure.

According to the door anti-collision joist of the utility model one embodiment, the linkage section and first tube body are formed as one Body, the linkage section are formed as one with second tube body.

According to the door anti-collision joist of the utility model one embodiment, first tube body and second tube body are about One plane mirror image is symmetrical arranged, and the central axes of the linkage section are located in first plane.

According to the door anti-collision joist of the utility model one embodiment, the outer wall of first tube body has the of planar shaped One welding surface, the outer wall of second tube body have the second welding surface of planar shaped, first welding surface and second weldering Junction is used to be weldingly connected with inner plate of car door.

According to the door anti-collision joist of the utility model one embodiment, first welding surface and second welding surface are total Face setting.

According to the door anti-collision joist of the utility model one embodiment, the outer wall of first tube body has the first pressure-bearing Face, the outer wall of second tube body have the second pressure-bearing surface, and first pressure-bearing surface and the first welding surface face are arranged, institute It states the second pressure-bearing surface and the second welding surface face is arranged, first pressure-bearing surface and second pressure-bearing surface are arc Face.

The utility model also proposed a kind of door assembly.

According to the door assembly of the utility model embodiment, including door skin, inner plate of car door and any of the above-described kind of implementation Door anti-collision joist described in example, the both ends of the door anti-collision joist are connected with the inner plate of car door, and the door anti-collision joist It is mounted between the door skin, the inner plate of car door.

According to the door assembly of the utility model embodiment, it is folded between the door anti-collision joist and the door skin Vibration isolation glue.

The utility model has also been proposed a kind of vehicle.

According to the vehicle of the utility model embodiment, it is provided with door assembly described in any of the above-described kind of embodiment.

Possessed advantage is identical compared with the existing technology for the door assembly, vehicle and above-mentioned door anti-collision joist, This is repeated no more.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the structural schematic diagram according to the door anti-collision joist of the utility model embodiment；

Fig. 2 is the sectional view in Fig. 1 at A-A；

Fig. 3 is the structural schematic diagram that car door is installed on according to the door anti-collision joist of the utility model embodiment；

Fig. 4 is the sectional view in Fig. 3 at B-B；

Fig. 5 is the sectional view in Fig. 3 at C-C；

Fig. 6 is the structural schematic diagram that inner plate of car door is welded according to the door anti-collision joist of the utility model embodiment；

Fig. 7 is the structural representation that inner plate of car door is welded according to the front end of the door anti-collision joist of the utility model embodiment Figure；

Fig. 8 is the structural representation that inner plate of car door is welded according to the rear end of the door anti-collision joist of the utility model embodiment Figure.

Appended drawing reference:

Door anti-collision joist 100,

First tube body 1, the first extended segment 11, the first welding surface 12, the first pressure-bearing surface 13, the second tube body 2, the second extended segment 21, the second welding surface 22, the second pressure-bearing surface 23, linkage section 3, section 4,

Inner plate of car door 200, door skin 300, vibration isolation glue 400.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.In addition, defining " first ", the feature of " second " can explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

Below with reference to Fig. 1-Fig. 8 description according to the door anti-collision joist 100 of the utility model embodiment.

It as Figure 1-Figure 8, is roll-forming, i.e. vehicle according to the door anti-collision joist 100 of the utility model one embodiment Door collision prevention girders 100 use rolling production process, and tooling device is at low cost and can realize that multiple vehicles are general, and realization expense is shared equally. And the profile that door anti-collision joist 100 can be changed by stretch bending process can preferably be bonded door skin 300, promote car door The concave resistance and collision performance of outside plate 300 have good practicability and economy.

As shown in Fig. 1-Fig. 2 and Fig. 4, door anti-collision joist 100 includes the first tube body 1 and the second tube body 2,1 He of the first tube body Second tube body 2 all has closed cavity, and door anti-collision joist 100, which forms cavity body structure, can be improved itself rigidity, is guaranteeing to collide Under the premise of effect is consistent, it is thinned for door anti-collision joist 100 and expects that thick, reduction weight provides possibility, it is economical and practical.And two Cavity can absorb part impact force when car door is met and hit, and be impacted the deformation quantity of generation, avoid to reduce inner plate of car door 200 Occupant is damaged.

Wherein, as shown in Figure 2 and Figure 4, the first end of the first tube body 1 and the first end of the second tube body 2 pass through 3 phase of linkage section Even, i.e., the both ends of linkage section 3 are connected with the first end of the first end of the first tube body 1, the second tube body 2 respectively, and the of the first tube body 1 The first extended segment 11 is extended at two ends, and the second end of the second tube body 2 extends the second extended segment 21, the first extended segment 11, second Extended segment 21, linkage section 3 are stacked, and the first extended segment 11, the second extended segment 21, linkage section 3 are fixedly connected by welding.

The first end of first tube body 1 is connected with the first end of the second tube body 2 stabilization, the second end and second of the first tube body 1 The second end of tube body 2, which is stablized, to be connected, so that the first tube body 1 and the second tube body 2 are formed as an entirety, is conducive to improve preventing car door The overall structural strength for hitting beam 100 avoids being excessively impaired in car door 100 structure of rear door collision prevention girders that is impacted, and guarantees interior Environmental security.

According to the door anti-collision joist 100 of the utility model embodiment, door anti-collision joist 100 is roll-forming, process equipment It is at low cost and can realize that multiple vehicles are general, production cost is reduced, door anti-collision joist 100 has closed cavity, is conducive to mention Itself high rigidity, and 100 thickness of door anti-collision joist is lower, quality is smaller, it is not only light but also practical.

As shown in Figure 2 and Figure 4, the first extended segment 11, the second extended segment 21, linkage section 3 are sequentially bonded, i.e. the second extended segment 21 both side surface is bonded with the first extended segment 11, linkage section 3 respectively, and the first extended segment 11, the second extended segment 21, linkage section 3 are formed as three layers of welding structure, to increase the bonding area of the second end of the first tube body 1 and the second end of the second tube body 2, together When the first extended segment 11, the second extended segment 21 are steadily welded with linkage section 3 so that the both ends of the first tube body 1 are respectively with The both ends of two tube bodies 2 steadily connect, and improve the stability that the first tube body 1 is connect with the second tube body 2, guarantee door anti-collision joist 100 overall structure is stablized.

Linkage section 3 is formed as one with the first tube body 1, and linkage section 3 is formed as one with the second tube body 2, i.e. the first tube body 1, the second tube body 2 and linkage section 3 are integrally formed.The connection stress of each position of door anti-collision joist 100 is relatively equal as a result, It is even, avoid the junction or linkage section 3 of linkage section 3 and the first tube body 1 and the junction of the second tube body 2 when car door is impacted from sending out Raw fracture, improves the integrally-built strength and stiffness of door anti-collision joist 100, promotes the security performance of door anti-collision joist 100.

First tube body 1 and the second tube body 2 are symmetrical arranged about the first plane mirror image, i.e. the first tube body 1 and the second tube body 2 Structure is identical, and the central axes of linkage section 3 are located in the first plane, and the first tube body 1 is identical with 2 roll process of the second tube body.This Sample is easy to implement the nipping process of door anti-collision joist 100, and the process for reducing roll-in production reduces production cost.

In some embodiments, as shown in Figure 2 and Figure 4, the outer wall of the first tube body 1 has the first welding surface 12, the first weldering Junction 12 is planar shaped, and the outer wall of the second tube body 2 has the second welding surface 22, and the second welding surface 22 is planar shaped, the first welding Face 12 and the second welding surface 22 are used to be weldingly connected with inner plate of car door 200.First tube body 1 passes through first with inner plate of car door 200 Welding surface 12 is weldingly connected, so that having biggish bonding area between the first tube body 1 and inner plate of car door 200, guarantees the first pipe Body 1 is steadily welded to connect with inner plate of car door 200.Second tube body 2 welds phase by the second welding surface 22 with inner plate of car door 200 Even, so that there is biggish bonding area, by the second tube body 2 and inner plate of car door between the second tube body 2 and inner plate of car door 200 200 are steadily weldingly connected.

The first tube body 1, the second tube body 2 are steadily weldingly connected with inner plate of car door 200 as a result, and the first tube body 1, The welding position of two tube bodies 2 and inner plate of car door 200 is identical as the height of occupant.In this way, in car door by extraneous impact force When, door anti-collision joist 100 can play a very good protection to occupant, promote the safety that occupant rides.

First welding surface 12 and the second welding surface 22 are coplanar with, so that the first welding surface 12 is bonded with inner plate of car door 200 When, the second welding surface 22 is bonded with inner plate of car door 200, is convenient for the first tube body 1 and the second tube body 2 simultaneously as a result, and inner plate of car door 200 welding, improve the welding efficiency of door anti-collision joist 100 and inner plate of car door 200.

As shown in Figure 2 and Figure 4, the outer wall of the first tube body 1 has the first pressure-bearing surface 13, and the first pressure-bearing surface 13 is used for and car door Outside plate 300 is connected, and the outer wall of the second tube body 2 has the second pressure-bearing surface 23, and the second pressure-bearing surface 23 is used for and 300 phase of door skin Even.

Wherein, the first pressure-bearing surface 13 and 12 face of the first welding surface are arranged, and the first tube body 1 is close to the side of occupant as a result, It is weldingly connected with inner plate of car door 200, the first tube body 1 is connected away from the side of occupant with door skin 300.Second pressure-bearing surface 23 with The setting of second welding surface, 22 face, the second tube body 2 is weldingly connected close to the side of occupant with inner plate of car door 200 as a result, the second pipe Body 2 is connected away from the side of occupant with door skin 300.As shown in Figure 2 and Figure 4, the first pressure-bearing surface 13 and the second pressure-bearing surface 23 It is arcwall face, arcwall face structure may make the first tube body 1 and the second tube body 2 that can be bonded well with door skin 300, into And the concave resistance of door skin 300 is promoted, and be lower than the invasion of external force in the first time of collision, mitigate occupant injury.

As shown in figure 5, the profile of door anti-collision joist 100 can be changed by stretch bending process, so that the first pressure-bearing surface 13 and the Two pressure-bearing surfaces 23 can be bonded well with door skin 300.Promote the concave resistance and collision performance of door skin 300, tool There are good practicability and economy.

The utility model also proposed a kind of door assembly.

It as shown in Figure 3-Figure 5, include: door skin 300, inner plate of car door according to the door assembly of the utility model embodiment 200 and any of the above-described kind of embodiment door anti-collision joist 100.Wherein, as shown in fig. 6, the both ends of door anti-collision joist 100 and vehicle Door inner panel 200 is connected, and as shown in Figs. 7-8, the both ends of door anti-collision joist 100 generate section 4 after certain angle is cut, The bottom plane of door anti-collision joist 100 can be exposed, and the size cut can satisfy the needs of electric welding, consequently facilitating vehicle Door collision prevention girders 100 and inner plate of car door 200 use electric welding connection, and door anti-collision joist 100 is stably installed at inner plate of car door 200 Between door skin 300.

Be folded with vibration isolation glue 400 between door anti-collision joist 100 and door skin 300, i.e. the first pressure-bearing surface 13 with outside car door It is equipped with vibration isolation glue 400 between the second pressure-bearing surface 23 and door skin 300 between plate 300, so that door anti-collision joist 100 is to vehicle External door panel 300 plays good supporting role, and then improves the stiffness and strength of door assembly entirety.

The utility model has also been proposed a kind of vehicle.

According to the vehicle of the utility model embodiment, it is provided with the door assembly of any of the above-described kind of embodiment, car door anti-collision Beam 100 is roll-forming and has closed cavity, is conducive to improve itself rigidity, and 100 thickness of door anti-collision joist is lower, matter Amount is smaller, not only light but also practical, convenient for promoting the economy and practicability of vehicle.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (10)

1. a kind of door anti-collision joist, which is characterized in that the door anti-collision joist is roll-forming, and the door anti-collision joist includes the One tube body and the second tube body, the first end of first tube body are connected with the first end of second tube body by linkage section, institute The second end for stating the first tube body extends the first extended segment, and the second end of second tube body extends the second extended segment, described First extended segment, second extended segment, the linkage section is stacked and is fixedly connected.

2. door anti-collision joist according to claim 1, which is characterized in that first extended segment, second extended segment, The linkage section is sequentially bonded and forms three layers of welding structure.

3. door anti-collision joist according to claim 1, which is characterized in that the linkage section is formed as with first tube body One, the linkage section are formed as one with second tube body.

4. door anti-collision joist according to claim 1, which is characterized in that first tube body and second tube body about First plane mirror image is symmetrical arranged, and the central axes of the linkage section are located in first plane.

5. door anti-collision joist described in any one of -4 according to claim 1, which is characterized in that the outer wall of first tube body has There is the first welding surface of planar shaped, the outer wall of second tube body has the second welding surface of planar shaped, first welding surface It is used to be weldingly connected with inner plate of car door with second welding surface.

6. door anti-collision joist according to claim 5, which is characterized in that first welding surface and second welding surface It is coplanar with.

7. door anti-collision joist according to claim 5, which is characterized in that the outer wall of first tube body has the first pressure-bearing Face, the outer wall of second tube body have the second pressure-bearing surface, and first pressure-bearing surface and the first welding surface face are arranged, institute It states the second pressure-bearing surface and the second welding surface face is arranged, first pressure-bearing surface and second pressure-bearing surface are arc Face.

8. a kind of door assembly characterized by comprising door skin, inner plate of car door and such as any one of claim 1-7 institute The door anti-collision joist stated, the both ends of the door anti-collision joist are connected with the inner plate of car door, and the door anti-collision joist is installed Between the door skin, the inner plate of car door.

9. door assembly according to claim 8, which is characterized in that between the door anti-collision joist and the door skin It is folded with vibration isolation glue.

10. a kind of vehicle, which is characterized in that be arranged just like door assembly described in any one of claim 8-9.