CN217124458U

CN217124458U - Draw gear mounting structure, draw gear assembly and vehicle

Info

Publication number: CN217124458U
Application number: CN202220997532.7U
Authority: CN
Inventors: 李俊琪; 曾董; 罗俊; 左洪健; 齐一鸣
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-08-05
Anticipated expiration: 2032-04-26

Abstract

The utility model relates to a draw gear mounting structure, draw gear assembly and vehicle, this draw gear mounting structure include tie-beam and installed part, the both ends of tie-beam be used for with the connected to the frame of vehicle, the tie-beam includes a plurality of crossbeams that extend along the left and right sides direction of vehicle, two at least crossbeams among a plurality of crossbeams overlap and interconnect along the fore-and-aft direction of vehicle, the installed part is connected in a plurality of crossbeams, the installed part is used for installing draw gear. Because two at least crossbeams among a plurality of crossbeams set up side by side and interconnect along the fore-and-aft direction of vehicle, these two at least crossbeams can constitute the tie-beam of "multilayer beam structure", when draw gear drags treating the pull thing, the crossbeam structural strength who overlaps and interconnect along the fore-and-aft direction is high, be difficult for bending, can avoid draw gear to lead to draw gear mounting structure's deformation, fracture etc. when dragging treating the pull thing, make draw gear mounting structure's intensity can bear great traction force, guarantee draw gear's normal work.

Description

Draw gear mounting structure, draw gear assembly and vehicle

Technical Field

The disclosure relates to the technical field of a traction device mounting structure, in particular to a traction device mounting structure, a traction device assembly and a vehicle.

Background

The traction device of the vehicle is generally used for connecting the vehicle with other objects to be towed (for example, a vehicle which cannot operate due to a fault or a trailer), so that the objects to be towed are driven to advance by towing. In order to install the traction device, a vehicle needs to be provided with an installation structure for installing the traction device, the existing traction device installation structure is weak in strength, and when the traction device drags an object to be dragged, the traction device installation structure is easy to bend and damage.

SUMMERY OF THE UTILITY MODEL

The purpose of this disclosure is to provide a draw gear mounting structure, draw gear assembly and vehicle, this draw gear mounting structure can promote mounting structure's structural strength.

In order to achieve the above object, the present disclosure provides a draft gear mounting structure including a connection beam having both ends for connection with a frame of a vehicle, the connection beam including a plurality of cross members extending in a left-right direction of the vehicle, at least two of the plurality of cross members overlapping and connected to each other in a front-rear direction of the vehicle, and a mounting member connected to the at least two cross members, the mounting member being used to mount a draft gear.

Optionally, the traction device mounting structure further includes a U-shaped connector, the mounting member is connected to the at least two cross beams through the U-shaped connector, the U-shaped connector includes a bottom plate located below the cross beam and two side plates respectively formed on two opposite sides of the bottom plate, and the at least two cross beams are located between the two side plates along the front-rear direction.

Optionally, the U-shaped connector is removably connected to the at least two cross-members by fasteners.

Optionally, a first fastening hole and a second fastening hole are formed in the bottom plate, and a third fastening hole corresponding to the first fastening hole and a fourth fastening hole corresponding to the second fastening hole are formed in the cross beam;

wherein the first fastening hole is formed as a long hole extending in a front-rear direction of the vehicle, and the second, third, and fourth fastening holes are formed as circular holes; or the third fastening hole is formed as a long hole extending in the front-rear direction of the vehicle, and the first, second, and fourth fastening holes are all formed as round holes; alternatively, the first and third fastening holes may be formed as long holes extending in a front-rear direction of the vehicle, and the second and fourth fastening holes may be formed as round holes.

Optionally, the mounting member is formed as a tubular structure with a hollow inside, and a mounting hole for mounting the traction device is formed on the mounting member, and the mounting member is connected to the bottom plate.

Optionally, draw gear mounting structure still includes the connecting plate, both ends all are connected with about the tie-beam the connecting plate, the connecting plate be used for with frame connection, be formed with first connecting hole and second connecting hole on the connecting plate, first connecting hole is for following the slot hole that the fore-and-aft direction of vehicle extended, the second connecting hole is the round hole.

Optionally, the cross beam is formed as a hollow beam with a hollow interior.

As another aspect of the present disclosure, the present disclosure also provides a draft gear assembly, including a draft gear and the draft gear mounting structure described above, the draft gear being mounted on the mounting member.

As another aspect of the present disclosure, the present disclosure further provides a vehicle including the above-mentioned traction device assembly, wherein two ends of the connecting beam are connected to the frame.

Optionally, the vehicle further comprises a bumper mounted to the connecting beam.

Through the technical scheme, because two at least crossbeams in a plurality of crossbeams set up side by side and interconnect along the fore-and-aft direction of vehicle, these two at least crossbeams can constitute "multilayer beam structure" (tie-beam promptly), and draw gear installs on these two at least crossbeams through the installed part again, when draw gear drags the thing of waiting to pull, the direction of traction force is the fore-and-aft direction of vehicle usually, and the crossbeam structural strength who overlaps and interconnect along the fore-and-aft direction is high, be difficult for bending, can avoid draw gear to lead to the deformation, the fracture etc. of draw gear mounting structure when dragging the thing of waiting to pull, make the intensity of draw gear mounting structure can bear great traction force, guarantee draw gear's normal work.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a schematic perspective view of a draft gear mounting structure according to an embodiment of the present disclosure;

FIG. 2 is a cross-sectional view of a draft gear mounting structure provided in accordance with an embodiment of the present disclosure;

fig. 3 is a partial structural schematic view of a traction device mounting structure according to an embodiment of the present disclosure.

Description of the reference numerals

100-a draft gear mounting structure; 1-connecting the beams; 11-a cross beam; 111-third fastening hole; 112-fourth fastening hole; 2-a mounting member; 21-mounting holes; 22-a reinforcement plate; 3-U-shaped connecting pieces; 31-a base plate; 311-first fastening hole; 312 — a second fastening hole; 32-side plate; 4-connecting plates; 41-a first connection hole; 42-second connection hole; 5-welding seams.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise stated, terms of orientation such as "up, down, left, right, front, and rear" are generally defined with reference to up, down, left, right, front, and rear in a normal running state of the vehicle, and specifically, a direction directed to a ceiling of the vehicle is up, a direction directed to a chassis of the vehicle is down, a direction directed to a left wheel of the vehicle is left, a direction directed to a right wheel of the vehicle is right, a direction directed to a head of the vehicle is front, and a direction directed to a tail of the vehicle is rear. "inner and outer" refer to the inner and outer of the profile of the respective component.

Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the prior art, a traction device mounting structure generally comprises a cross beam connected to a frame, a traction device is mounted on the cross beam, and when the traction device pulls an object to be drawn, the cross beam is easy to bend and deform, so that the normal work of the traction device is influenced.

In view of this, according to one aspect of the present disclosure, as shown in fig. 1 to 3, the present disclosure provides a draft gear mounting structure 100 including a connection beam 1 and a mounting member 2, both ends of the connection beam 1 being for connection with a frame of a vehicle, the connection beam 1 including a plurality of cross members 11 extending in a left-right direction of the vehicle, at least two cross members 11 of the plurality of cross members 11 being overlapped and connected to each other in a front-rear direction of the vehicle, the mounting member 2 being connected to the at least two cross members 11, the mounting member 2 being for mounting a draft gear.

Through the technical scheme, because at least two crossbeams 11 in the crossbeams 11 are arranged side by side and connected with each other along the front-back direction of the vehicle, the at least two crossbeams 11 can form a 'multi-layer beam structure' (namely the connecting beam 1), the traction device is installed on the at least two crossbeams 11 through the installation part 2, when the traction device drags an object to be dragged, the direction of traction force is generally the front-back direction of the vehicle, the crossbeams 11 which are overlapped along the front-back direction and connected with each other are high in structural strength and difficult to bend, the deformation, the breakage and the like of the traction device installation structure 100 caused by the traction device when the object to be dragged can be avoided, the strength of the traction device installation structure can bear larger traction force, and the normal work of the traction device is ensured.

Here, it should be noted that the plurality of cross members 11 described above refer to two or more cross members 11, and it is understood that, in the case of two cross members 11, the two cross members 11 overlap in the front-rear direction, that, in the case of two or more cross members 11, all of the cross members 11 overlap in the front-rear direction, or that (at least two) of the cross members 11 overlap in the front-rear direction, and that the remaining cross members 11 may be stacked above or below these overlapping cross members 11. The present disclosure does not limit the specific number of the cross beams 11 as long as the effect of reinforcing the structural strength of the connection beam 1 can be achieved.

The mounting member 2 may be connected to the plurality of cross members 11 in various embodiments, for example, the mounting member 2 may be directly mounted to the plurality of cross members 11 by welding, bolting, or the like, or the mounting member 2 may be integrally formed with the plurality of cross members 11, or the mounting member 2 may be indirectly mounted to the plurality of cross members 11.

In order to enhance the coupling strength of the cross member 11 and the mounting member 2, as another embodiment, as shown in fig. 2, the draft gear mounting structure 100 further includes a U-shaped coupling member 3, the mounting member 2 is coupled to at least two cross members 11 (i.e., at least two cross members 11 overlapped and coupled to each other in the front-rear direction of the vehicle) by the U-shaped coupling member 3, the U-shaped coupling member 3 includes a bottom plate 31 positioned below the cross members 11 and two side plates 32 respectively formed on opposite sides of the bottom plate 31, and the at least two cross members 11 are positioned between the two side plates 32 in the front-rear direction. Because when draw gear drags the thing of waiting to draw, the direction of traction force is the fore-and-aft direction of vehicle usually, draw gear's traction force passes through installed part 2 and transmits to crossbeam 11, and be connected installed part 2 and a plurality of crossbeam 11 through U-shaped connecting piece 3, and make a plurality of crossbeams 11 be located the inboard of U-shaped connecting piece 3, on the one hand, can make a plurality of crossbeams 11 undertake jointly and disperse draw gear's traction force, on the other hand, U-shaped connecting piece 3 can have great area of connection with a plurality of crossbeams 11, joint strength is higher, make U-shaped connecting piece 3 and installed part 2 be difficult for easily coming off from crossbeam 11 under the traction force effect.

Here, the U-shaped connecting member 3 may be connected to the at least two cross beams 11 by welding, bolting, or the like, and the bottom plate 31 of the U-shaped connecting member 3 may be connected to the at least two cross beams 11, the two side plates 32 of the U-shaped connecting member 3 may be connected to the at least two cross beams 11, or the bottom plate 31 and the two side plates 32 may be connected to the cross beams 11, which is not limited in the present disclosure.

As an embodiment of the present disclosure, the U-shaped connector 3 may be detachably connected to the plurality of cross members 11 by a fastener. Since the U-shaped connector 3 is detachable, the removal and replacement of the U-shaped connector 3 can be facilitated, and the replacement of different types (e.g., different sizes, materials) of U-shaped connectors 3 can be allowed according to different types of traction devices.

Alternatively, as shown in fig. 3, the base plate 31 may be formed with first and

second fastening holes

311 and 312, and the cross member 11 may be formed with third and

fourth fastening holes

111 and 112 corresponding to the first and

second fastening holes

311 and 312. Among them, the first fastening hole 311 is formed as a long hole extending in the front-rear direction of the vehicle, and the second fastening hole 312, the third fastening hole 111, and the fourth fastening hole 112 are formed as circular holes; alternatively, the third fastening hole 111 is formed as an elongated hole extending in the vehicle front-rear direction, and the first, second, and

fourth fastening holes

311, 312, 112 are all formed as circular holes. The bottom plate 31 and the cross beam 11 can be detachably connected by penetrating fasteners in the first fastening holes 311, the second fastening holes 312, the third fastening holes 111 and the fourth fastening holes 112; alternatively, the first fastening hole 311 and the third fastening hole 111 are each formed as a long hole extending in the front-rear direction of the vehicle, and the second fastening hole 312 and the fourth fastening hole 112 are each formed as a circular hole.

The first fastening holes 311 and/or the third fastening holes 111 are designed as long holes arranged along the front-rear direction of the vehicle, so that in the process of installing the fastening piece, the bottom plate 31 has a certain moving space along the front-rear direction of the vehicle, installation and fastening can be completed without strictly aligning the fastening holes, the installation difficulty is reduced, the machining precision of the cross beam 11 and the U-shaped connecting piece 3 is reduced, and the U-shaped connecting piece 3 is more convenient to install. Meanwhile, other fastening holes are arranged as round holes except the fastening holes arranged as the long holes, so that the fastening piece can be used as a limiting hole, the U-shaped connecting piece 3 can be prevented from being displaced along the front and back directions of the vehicle in a fastening state by penetrating the fastening piece into the round holes, and the connection stability of the U-shaped connecting piece 3 and the cross beam 11 is ensured.

Alternatively, the fastener may be a bolt and nut set, a self-tapping screw, or the like, which is not limited by the present disclosure.

In the case that the fastening member is a bolt and nut set, nuts may be previously provided in the third fastening hole 111 and the fourth fastening hole 112, and then bolts are inserted through the first fastening hole 311 and the second fastening hole 312 to be fitted with the nuts in the third fastening hole 111 and the fourth fastening hole 112, thereby completing the installation connection of the U-shaped connector 3; studs may be pre-arranged in the third fastening holes 111 and the fourth fastening holes 112, and the studs may be inserted into the first fastening holes 311 or the second fastening holes 312, and then the U-shaped connector 3 may be fixed to the cross beam 11 by nuts.

In addition, it should be noted that the number and specific positions of the first fastening holes 311, the second fastening holes 312, the third fastening holes 111 and the fourth fastening holes 112 are not limited in the present disclosure, for example, for the case that the mounting member 2 is connected to the bottom plate 31, at least one first fastening hole 311 and at least one second fastening hole 312 may be disposed on two opposite sides of the mounting member 2, and the third fastening hole 111 and the fourth fastening hole 112 corresponding to the first fastening hole 311 and the second fastening hole 312 are disposed on the cross beam 11.

To facilitate installation of the towing means, the mounting member 2 is optionally formed as a tubular structure with a hollow interior, and the mounting member 2 is formed with a mounting hole 21 for mounting the towing means, as shown in fig. 2. The mounting 2 is designed as a tubular structure with a hollow interior in order to adapt the shape of the towing installation on the one hand; on the other hand, the weight of the mount 2 can be reduced.

Alternatively, the mounting member 2 may be formed in a round tubular structure or a square tubular structure having a hollow interior.

Alternatively, the mounting holes 21 may be opened on two opposite sides of the mounting member 2, and the two mounting holes 21 are coaxially arranged, and the assembly of the traction device with the mounting member 2 is realized by inserting mounting pins into the two mounting holes 21 and the traction device. Of course, a bolt and nut kit may be selected to mount the towing attachment to the mount 2.

Furthermore, for embodiments in which the mounting member 2 is connected to the U-shaped connecting member 3, the mounting member 2 may be connected to the bottom plate 31 and/or the side plate 32 of the U-shaped connecting member 3. Also, the mounting member 2 may be welded or bolted to the bottom plate 31 and/or the side plate 32, or the mounting member 2 may be integrally formed with the U-shaped connecting member 3. For the case that the mounting member 2 is welded to the base plate, as shown in fig. 3, the mounting member 2 may have a welding spot or seam 5 welded to the base plate 31 around the circumference thereof, so as to enhance the connection strength between the mounting member 2 and the base plate 31.

In order to increase the structural strength of the tubular mounting member 2, a reinforcing plate 22 may optionally be provided at the edge of the insertion end of the mounting member 2 into which the towing means is inserted, as shown in fig. 1. This reinforcing plate 22 can promote the structural strength of installed part 2 for when draw gear drags the thing of waiting to pull, can avoid the mouth of pipe department of installed part 2 owing to receive the power that comes from the different directions of draw gear and fracture, reinforcing draw gear mounting structure 100's security and reliability.

In addition, in order to connect the traction device mounting structure 100 to the vehicle, optionally, as shown in fig. 1, the traction device mounting structure 100 further includes a connecting plate 4, the connecting plate 4 is connected to both left and right ends of the connecting beam 1, the connecting plate 4 is used for being connected to a frame of the vehicle, a first connecting hole 41 and a second connecting hole 42 are formed in the connecting plate 4, the first connecting hole 41 is a long hole extending in a front-rear direction of the vehicle, and the second connecting hole 42 is a circular hole. The first and second coupling holes 41 and 42 may be penetrated by bolts to be coupled to the frame. Set up first connecting hole 41 into the slot hole that extends along the fore-and-aft direction of vehicle for when installing connecting plate 4 on the frame, need not strict alignment can be connected connecting plate 4 with the frame for the first connecting hole 41 of slot hole and the connecting hole on the frame, reduced the installation degree of difficulty. The second connecting hole 42, which is a circular hole, is used for limiting the connecting plate 4, so that the situation that the connecting plate 4 is displaced along the front-rear direction of the vehicle due to the fact that the long hole cannot limit the position is avoided.

Alternatively, as shown in fig. 1 and 2, a first end of the connecting plate 4 is connected to a frame of the vehicle, a first connecting hole 41 and a second connecting hole 42 are provided at the first end of the connecting plate 4, and a second end of the connecting plate 4 is inclined downward, that is, extends in a direction away from the frame, and the second end is used for being connected to the connecting beam 1, so that the connecting beam 1 can be installed below the frame through the connecting plate 4 inclined downward, thereby avoiding inconvenience in installation due to a small space, and at the same time, utilizing a longitudinal space of the vehicle and improving space utilization.

In order to reduce the overall weight of the draft gear mounting structure 100, the cross member 11 is optionally formed as a hollow beam having a hollow interior, as shown in fig. 2. On the premise of ensuring the strength of the overall structure, the use of the hollow beam can reduce the weight of the entire draft gear mounting structure 100.

In accordance with another aspect of the present disclosure, the present disclosure also provides a draft gear assembly including a draft gear mounted to the mounting member 2 and the draft gear mounting structure 100 described above.

According to still another aspect of the present disclosure, the present disclosure further provides a vehicle, which includes a frame and the above-mentioned traction device assembly, and two ends of the connection beam 1 are connected to the frame.

Alternatively, the connecting beam 1 is installed between the longitudinal beams of the frame of the vehicle, and the connecting beam 1 extending transversely is added between the longitudinal beams, so that the connecting strength between the longitudinal beams of the frame can be enhanced while the traction device is installed, and the torsional rigidity of the whole frame can be improved.

Optionally, the vehicle further comprises a bumper, which is mounted to the connection beam 1. In this way, the connection beam 1 can provide a mounting point for the bumper while enhancing the strength of the draft gear mounting structure 100 itself.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, various possible combinations will not be separately described in this disclosure.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. A traction device mounting structure, characterized by comprising a connection beam and a mounting member, wherein both ends of the connection beam are used for being connected with a frame of a vehicle, the connection beam comprises a plurality of cross beams extending along the left-right direction of the vehicle, at least two cross beams of the plurality of cross beams are overlapped and connected with each other along the front-rear direction of the vehicle, the mounting member is connected with the at least two cross beams, and the mounting member is used for mounting a traction device.

2. The hitch mounting structure as claimed in claim 1, further comprising a U-shaped connector, wherein said mounting member is connected to said at least two cross members by said U-shaped connector, said U-shaped connector includes a bottom plate located below said cross members and two side plates respectively formed on opposite sides of said bottom plate, said at least two cross members are located between said two side plates in said front-rear direction.

3. The draft gear mounting structure, according to claim 2, wherein said U-shaped connector is removably attached to said at least two cross members by fasteners.

4. The hitch mounting structure of claim 3, wherein a first fastening hole and a second fastening hole are formed in the bottom plate, and a third fastening hole corresponding to the first fastening hole and a fourth fastening hole corresponding to the second fastening hole are formed in the cross member;

5. The hitch mounting structure as claimed in any one of claims 2-4, wherein the mounting member is formed as a tubular structure having a hollow interior, the mounting member having a mounting hole formed therein for mounting the hitch, the mounting member being attached to the base plate.

6. The hitch mounting structure according to any one of claims 1 to 4, further comprising a connecting plate, the connecting plate being connected to both left and right ends of the connecting beam, the connecting plate being adapted to be connected to the vehicle frame, the connecting plate having a first connecting hole and a second connecting hole formed therein, the first connecting hole being a long hole extending in a front-rear direction of the vehicle, the second connecting hole being a circular hole.

7. The hitch mounting structure as claimed in any one of claims 1-4, wherein the cross member is formed as a hollow beam having a hollow interior.

8. A draft gear assembly, comprising a draft gear and the draft gear mounting structure of any one of claims 1 to 7, said draft gear being mounted to said mounting member.

9. A vehicle comprising a frame and the draft gear assembly of claim 8, wherein said tie beam is connected at both ends to said frame.

10. The vehicle of claim 9, further comprising a bumper mounted to the connecting beam.