CN213831874U - Derailleur installation crossbeam assembly, frame and vehicle - Google Patents

Abstract

The utility model relates to a derailleur installation crossbeam assembly, frame and vehicle, derailleur installation crossbeam assembly includes crossbeam body (1) and derailleur suspension support (2), derailleur suspension support (2) including the support body with connect in support body and downwardly extending's turn-ups (21), the lower extreme laminating ground of turn-ups (21) is fixed in the upper surface of crossbeam body (1). This derailleur installation crossbeam assembly can solve self acceleration vibration and be unfavorable for noise attenuation's technical problem.

Description

Derailleur installation crossbeam assembly, frame and vehicle

Technical Field

The disclosure relates to the technical field of vehicle equipment, in particular to a transmission mounting beam assembly, a frame and a vehicle.

Background

The vehicle body of the vehicle is generally divided into a load-bearing type vehicle body and a non-load-bearing type vehicle body, for the non-load-bearing type vehicle body, a transmission suspension bracket is generally arranged on a cross beam of a vehicle frame according to the arrangement requirement, and if the self rigidity of the cross beam is insufficient, the vibration noise in the vehicle is easy to accelerate. In the related art, the transmission mounting beam generally adopts a cantilever structure to mount a transmission suspension bracket, the transmission suspension bracket is used for mounting a transmission suspension, and the cantilever generally extends in the front-rear direction crossing with the transverse direction, so that after the transmission suspension bracket is mounted on the cantilever structure, the dynamic stiffness of the mounting position is insufficient, and the vibration is accelerated and the noise attenuation is not facilitated.

SUMMERY OF THE UTILITY MODEL

The purpose of this disclosure is to provide a derailleur installation crossbeam assembly, this derailleur installation crossbeam assembly can solve self acceleration vibration and be unfavorable for noise attenuation's technical problem.

In order to achieve the purpose, the present disclosure provides a derailleur installation beam assembly, which includes a beam body and a derailleur suspension bracket, wherein the derailleur suspension bracket includes a bracket body and a flange connected to the bracket body and extending downward, and the lower end of the flange is fixed on the upper surface of the beam body in a fitting manner.

Optionally, the number of turn-ups is a plurality of, and is a plurality of the turn-ups along the circumference interval setting of support body, every the turn-ups all outwards and downwardly extending.

Optionally, the cross beam body is formed with through holes extending in an up-down direction, the bracket body is formed with suspension mounting holes coaxially arranged with each through hole, the cross beam body has a longitudinal center line, axes of the through holes are arranged not coplanar with the center line, and fasteners are used for fixing the transmission suspension to the bracket body through the through holes and the suspension mounting holes. Alternatively,

optionally, the beam body forms a plurality of groups of through holes arranged at intervals in the longitudinal direction, each group of through holes includes at least two through holes arranged at intervals in the transverse direction, the plurality of groups of through holes are all located on the front side or the rear side of the midline, and each group of through holes is used for mounting one transmission suspension.

Optionally, the transmission mounting cross beam assembly comprises two longitudinal beam connecting frames, the two longitudinal beam connecting frames are detachably connected to the two transverse end portions of the cross beam body respectively, and each longitudinal beam connecting frame is provided with an upper lapping surface and a lower lapping surface so as to be fixed to the longitudinal beam of the frame in a lapping mode through the upper lapping surface and the lower lapping surface.

Optionally, the beam body has a hollow cavity, the transmission mounting beam assembly includes two reinforcing plates, the reinforcing plates are disposed in the cavity, and both longitudinal ends of the reinforcing plates are fixed to the beam body, and the number of the reinforcing plates is two and the reinforcing plates are respectively disposed at the connection position of each longitudinal beam connecting frame and the beam body.

Optionally, the reinforcing plate is formed with an escape slot extending longitudinally through which a fastener passes.

Optionally, the beam body is formed with two recessed portions for avoiding the transfer case, and the two recessed portions are located on the left rear side and the right front side of the transmission suspension bracket.

According to a second aspect of the present disclosure, there is provided a vehicle frame comprising a transmission mounting cross member assembly as described above.

According to a third aspect of the present disclosure, there is provided a vehicle comprising a frame as described above.

Through the technical scheme, in the derailleur installation beam assembly that this disclosure provided, derailleur suspension support is through the turn-ups of self and the upper surface laminating ground fixed connection of crossbeam body, replaced the mode that needs stretch out the cantilever at the crossbeam body in the past promptly and installed derailleur suspension support, like this, the derailleur suspension support of this disclosure can fix on the crossbeam body through the turn-ups firmly, and prevented that derailleur suspension support and crossbeam body from staggering on vertical, and then improved the holistic dynamic stiffness of derailleur installation beam assembly, thereby slowed down the vibration of self and do benefit to the decay of the noise of self, the derailleur installation beam assembly of this disclosure promptly can solve self accelerated vibration and be unfavorable for the technical problem of noise decay.

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 partial structural schematic view of a frame assembly provided in accordance with an embodiment of the present disclosure, showing a side rail and a transmission mounting cross member assembly;

FIG. 2 is a schematic illustration of a portion of a transmission mounting cross member assembly with a longitudinal member attachment frame removed in accordance with an embodiment of the present disclosure;

FIG. 3 is a schematic structural view of a transmission suspension bracket in a transmission mounting cross-member assembly provided in accordance with an embodiment of the present disclosure;

FIG. 4 is a schematic structural view of a cross-member upper plate and a reinforcement plate in a transmission mounting cross-member assembly provided in accordance with an embodiment of the present disclosure;

FIG. 5 is a schematic structural view of a lower cross member plate of a transmission mounting cross member assembly provided in accordance with an embodiment of the present disclosure;

FIG. 6 is a schematic structural view of a reinforcement plate in a transmission mounting cross member assembly provided in accordance with an embodiment of the present disclosure;

FIG. 7 is a partial structural schematic view of a vehicle frame provided in accordance with an embodiment of the present disclosure, showing a left side rail and a side rail attachment bracket.

Description of the reference numerals

1-beam body, 11-beam upper plate, 12-beam lower plate, 101-through hole, 102-midline, 103-chamber, 104-depressed part, 2-transmission suspension bracket, 21-flanging, 22-suspension mounting hole, 3-longitudinal beam connecting frame, 31-front connecting plate, 32-rear connecting plate, 301-upper lapping surface, 302-lower lapping surface, 4-reinforcing plate, 41-avoidance groove, 10-lightening hole, 51-left longitudinal beam and 52-right longitudinal beam.

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, front, rear, left, and right" are used, which are defined based on the coordinate system in fig. 1, specifically, the longitudinal direction is indicated by the X direction, i.e., the front-rear direction, and the direction indicated by the arrow is the front, and conversely, the lateral direction is indicated by the Y direction, i.e., the left-right direction, and the direction indicated by the arrow is the left, and conversely, the right, the up-down direction is indicated by the Z direction, and the direction indicated by the arrow is the up, and vice versa. "inner and outer" refer to the inner and outer contours of each component part itself. The following description refers to the accompanying drawings in which the same reference numerals in different drawings identify the same or similar elements, and the disclosure will not be described herein.

According to the specific implementation mode of the present disclosure, a transmission mounting beam assembly is provided, one example of which is shown in fig. 1 to 7, and referring to fig. 1 to 3, the transmission mounting beam assembly includes a beam body 1 and a transmission suspension bracket 2, the transmission suspension bracket 2 includes a bracket body and a flange 21 connected to the bracket body and extending downward, and a lower end of the flange 21 is fittingly fixed to an upper surface of the beam body 1.

Through the technical scheme, in the derailleur installation beam assembly that this disclosure provided, derailleur outrigger 2 is through turn-ups 21 of self and crossbeam body 1's upper surface laminating ground fixed connection, replaced the mode that needs stretch out the cantilever at crossbeam body 1 in the past promptly and installed derailleur outrigger 2, like this, derailleur outrigger 2 of this disclosure can fix on crossbeam body 1 through turn-ups 21 firmly, and prevented that derailleur outrigger 2 and crossbeam body 1 from staggering on vertical, and then improved the holistic dynamic stiffness of derailleur installation beam assembly, thereby slowed down the vibration of self and done benefit to the decay of the noise of self, promptly this derailleur installation beam assembly of this disclosure can solve self accelerated vibration and be unfavorable for the technical problem of noise decay.

It should be noted that the number of the flanges 21, i.e. the forming manner, is not limited by the present disclosure, for example, the flanges 21 of the present disclosure may be configured as annular flanges, or the number of the flanges 21 may be plural, and the present disclosure will be described in detail in the following embodiments. In addition, the transmission suspension bracket 2 of the present disclosure is used to mount a transmission suspension, and the present disclosure will not be described in detail in the following description. In addition, the holistic dynamic stiffness of derailleur installation beam assembly is not enough, leads to the excitation that the engine produced easily to transmit the driver's cabin through the automobile body through derailleur suspension support 2 again in, makes the interior acoustic pressure of car produce the change to arouse the interior vibration noise problem of car with higher speed, consequently the derailleur installation beam assembly of this application can slow down vibration and decay noise. It should be further noted that the fixed connection of each component in the present disclosure may adopt a two-protection welding manner, which will not be described in detail in the present disclosure.

In a specific embodiment of the present disclosure, referring to fig. 2 to 4, the number of the flanges 21 may be multiple, the flanges 21 are arranged at intervals along the circumferential direction of the bracket body, and each flange 21 extends outward and downward. Like this, the setting of a plurality of turn-ups 21 can strengthen being connected of support body and crossbeam body 1 in a plurality of directions, further improves the steadiness of being connected between derailleur suspension support 2 and the crossbeam body 1, and in addition, the outside extension of turn-ups 21 can also make things convenient for the fixed connection of turn-ups 21 and crossbeam body 1 upper surface for example the welding, improves the convenience of the two assembly. According to some embodiments, referring to fig. 3, the bracket body may be configured as a square member, the flanges 21 are connected to the left, right and rear three directions of the direction member, and the vertical plate may be connected to the bracket body in the front direction, which is not limited by the present disclosure. Of course, the transmission suspension bracket 2 may also include other numbers of flanges 21, which the present disclosure is not limited to. Further, according to some embodiments, the transmission suspension bracket 2 may be configured as an integrally formed piece, which the present disclosure is not limited to.

In a specific embodiment of the present disclosure, referring to fig. 2 to 5, the cross beam body 1 may be formed with through holes 101 extending in an up-down direction, the bracket body is formed with suspension mounting holes 22 coaxially disposed with each of the through holes 101, the cross beam body 1 has a center line 102 in a longitudinal direction, axes of the through holes 101 are disposed not coplanar with the center line 102, and a fastening member is used to suspend and fix the transmission to the bracket body through the through holes 101 and the suspension mounting holes 22. Here, since the axis of the through hole 101 is not coplanar with the centerline 102, the position of the through hole 101 in the longitudinal direction changes after the beam body is rotated by 180 ° about the Y axis, and thus, for the transmission suspension, different mounting positions in the longitudinal direction correspond to different transmissions, and thus, different power assemblies. Therefore, the crossbeam body 1 of this disclosure then can adapt to two kinds of different power assemblies through self rotatory arranging, and then can adapt to different power assemblies under the condition of not changing the crossbeam body.

It should be noted that the middle line may divide the length of the beam body in the longitudinal direction into two equal sections, and the middle line is a virtual structure for more clearly explaining the disclosure, and is not a limitation to the disclosure.

According to the specific embodiment of the present disclosure, referring to fig. 2 to 5, the beam body 1 may form a plurality of sets of through holes 101 disposed at intervals in the longitudinal direction, each set of through holes includes at least two through holes 101 disposed at intervals in the transverse direction, the plurality of sets of through holes are all located on the front side or the rear side of the center line 102, and each set of through holes is used for mounting one transmission suspension. Like this, on the one hand, the mounting hole dispersion that will correspond to a derailleur suspension arranges at least two through-holes 101 to reduce the influence that the through-hole 101 of large aperture produced to the structural strength of crossbeam body 1, on the other hand, after rotating crossbeam body 1 around the Y axle 180, every group through-hole then corresponds another derailleur promptly another kind of power assembly again, and then this disclosed derailleur installation crossbeam assembly can be used for installing multiple power assembly, has greatly improved self commonality. Here, it should be noted that, when different power assemblies are selected, the beam body 1 may be first adapted to the power assembly, and then the beam body 1 and the transmission suspension bracket 2 are fixedly connected.

In a specific embodiment of the present disclosure, referring to fig. 1, 2 and 7, the transmission-mounting cross beam assembly may include two longitudinal beam connecting frames 3, and the two longitudinal beam connecting frames 3 are detachably connected to two lateral end portions of the cross beam body 1, respectively, so that the longitudinal beam connecting frames 3 and the cross beam body 1 can be assembled and disassembled, and the cross beam body 1 can be connected to the vehicle frame through the two longitudinal beam connecting frames 3, and each of the longitudinal beam connecting frames 3 has an upper overlapping surface 301 and a lower overlapping surface 302, so as to be overlappingly fixed to the longitudinal beam of the vehicle frame through the upper overlapping surface 301 and the lower overlapping surface 302. In this way, the side member connecting frame 3 can be firmly connected to the side member of the vehicle frame via the upper and lower overlapping surfaces 301 and 302, thereby ensuring the relative stability of the position of the entire transmission mounting cross member assembly itself. Here, referring to fig. 1, 2 and 7, the vehicle frame may include a left side member 51 and a right side member 52, the left end of the cross member body 1 being connected to the left side member 51 by a side member connecting frame, and the right end of the cross member body 1 being connected to the right side member 52 by a side member connecting frame 3.

According to some embodiments of the present disclosure, the stringer attachment frame may be configured as an integrally formed part to secure its own structural strength. According to other embodiments of the present disclosure, referring to fig. 1 and 7, the longitudinal beam connecting frame 3 may include a front connecting plate 31 and a rear connecting plate 32, each of the front connecting plate 31 and the rear connecting plate 32 may be configured as an L-shaped plate, the two L-shaped plates are welded to make the longitudinal beam connecting frame 3 have a U-shaped cavity, and the longitudinal beam connecting frame 3 may be sleeved on the cross beam body 1 through a U-shaped groove. In addition, the longitudinal beam connecting frame 3 may be detachably connected to the cross beam body 1 by a fastener such as a bolt, which is not limited by the present disclosure, and the present disclosure will be exemplarily described by this example. In addition, the L-shaped plate of the present disclosure may be formed with a reinforcing rib, and the reinforcing rib may connect two connecting sections of the L-shaped plate, which are disposed at an angle, to improve the structural strength of the L-shaped plate itself, which is not limited by the present disclosure.

According to some embodiments of the present disclosure, the beam body 1 may be configured in any suitable manner. Referring to fig. 1, 2 and 4, the cross beam body 1 may have a hollow cavity 103 to reduce its weight, and the transmission mounting cross beam assembly may include two reinforcing plates 4, where the reinforcing plates 4 are disposed in the cavity 103 and both longitudinal ends of the reinforcing plates are fixed to the cross beam body 1, and the reinforcing plates 4 are respectively disposed at a connection portion of each of the longitudinal beam connecting frames 3 and the cross beam body 1. Like this, this reinforcing plate 4 is through the structural strength of reinforcing crossbeam body 1 at the junction, and then has improved the joint strength between crossbeam body 1 and longeron link 3, has guaranteed the reliability of the two connections. Here, the present disclosure does not limit the specific structure of the reinforcing plate 4, and the present disclosure will be described in detail in the following embodiments.

According to some embodiments of the present disclosure, referring to fig. 6, the reinforcing plate 4 is formed with an escape groove 41 through which a fastener passes and which extends in the longitudinal direction. The avoiding groove 41 can avoid the fastener so as to ensure that the fastener can normally penetrate out of the beam body 1. According to some embodiments, referring to fig. 6, the reinforcing plate 4 may be configured as a W-shaped plate to have two escape slots 41, which the present disclosure does not limit. In addition, the bottom plate part of the reinforcing plate 4 can be provided with lightening holes 10 to lighten the weight of the frame and facilitate the lightening of the frame.

According to some embodiments of the present disclosure, the cross beam body 1 may be configured as an integrally formed piece, the integrally formed cross beam body 1 having a hollow chamber 103, and the through hole 101 may penetrate the cross beam body 1 in the up-down direction. According to other embodiments of the present disclosure, referring to fig. 2, 4 and 5, the beam body 1 may include an upper beam plate 11 and a lower beam plate 12, each of the upper beam plate 11 and the lower beam plate 12 may be configured as a U-shaped plate, the upper beam plate 11 and the lower beam plate 12 are fastened together with their openings facing each other and fixed together by welding, thereby forming the beam body 1, and the cavity 103 of the beam body 1 may be enclosed by the upper beam plate 11 and the lower beam plate 12, by which the manufacturing cost of the beam body 1 itself can be reduced. In addition, the beam lower plate 12 may be formed with lightening holes 10 to reduce its weight.

According to an embodiment of the present disclosure, referring to fig. 1, 2 and 4, the cross beam body 1 may be formed with recesses 104 avoiding the transfer case, the number of the recesses 104 being two and located on the left rear side and the right front side of the transmission suspension bracket 2. The depressed portion 104 can ensure normal assembly of the transfer case while avoiding the occurrence of extrusion collision between the transfer case and the cross beam body 1. According to some embodiments, the two recesses 104 may be in a rotationally symmetric arrangement, which is not limited by the present disclosure.

According to a second aspect of the present disclosure, there is provided a vehicle frame including the transmission mounting cross member assembly as described above, and further capable of improving dynamic stiffness of the vehicle frame, reducing noise generated by the vehicle frame, and damping vibration of the vehicle frame.

According to a third aspect of the present disclosure, a vehicle is provided, which includes the vehicle frame as described above, and which is capable of improving the riding experience of the vehicle.

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, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

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 (10)

1. The utility model provides a derailleur installation crossbeam assembly, its characterized in that, includes crossbeam body (1) and derailleur suspension support (2), derailleur suspension support (2) include the support body and connect in support body and downwardly extending's turn-ups (21), the lower extreme laminating of turn-ups (21) is fixed in the upper surface of crossbeam body (1).

2. The transmission mounting cross beam assembly according to claim 1, wherein the number of the flanges (21) is plural, the plurality of flanges (21) are arranged at intervals along the circumferential direction of the bracket body, and each flange (21) extends outward and downward.

3. The transmission mounting beam assembly according to claim 1, wherein the beam body (1) is formed with through holes (101) extending in an up-down direction, the bracket body is formed with suspension mounting holes (22) coaxially provided with each of the through holes (101), the beam body (1) has a center line (102) in a longitudinal direction, axes of the through holes (101) are disposed not coplanar with the center line (102), and fasteners are used for fixing a transmission suspension to the bracket body through the through holes (101) and the suspension mounting holes (22).

4. Transmission mounting beam assembly according to claim 3, wherein the beam body (1) forms a plurality of sets of through holes (101) spaced apart in the longitudinal direction, each set of through holes comprising at least two through holes (101) spaced apart in the transverse direction, each set of through holes being located on the front or rear side of the centre line (102), each set of through holes being adapted to mount one of the transmission suspensions.

5. The transmission mounting cross member assembly according to claim 1, wherein the transmission mounting cross member assembly comprises two side member attaching frames (3), the two side member attaching frames (3) being detachably attached to both lateral end portions of the cross member body (1), respectively, each of the side member attaching frames (3) having an upper overlapping surface (301) and a lower overlapping surface (302) to be overlappingly fixed to a side member of a vehicle frame by the upper overlapping surface (301) and the lower overlapping surface (302).

6. The transmission mounting cross beam assembly according to claim 5, wherein the cross beam body (1) is provided with a hollow cavity (103), the transmission mounting cross beam assembly comprises a reinforcing plate (4), the reinforcing plate (4) is arranged in the cavity (103) and both longitudinal ends of the reinforcing plate are fixed on the cross beam body (1), the number of the reinforcing plates (4) is two, and the reinforcing plates are respectively arranged at the connecting position of each longitudinal beam connecting frame (3) and the cross beam body (1).

7. Transmission mounting beam assembly according to claim 6, characterized in that the reinforcement plate (4) is formed with relief grooves (41) extending in longitudinal direction for fasteners to pass through.

8. The transmission mounting cross-beam assembly according to claim 1, wherein the cross-beam body (1) is formed with recesses (104) avoiding the transfer case, the number of the recesses (104) being two and located on the left rear side and the right front side of the transmission suspension bracket (2).

9. A vehicle frame comprising a transmission mounting cross member assembly according to any one of claims 1 to 8.

10. A vehicle comprising the frame of claim 9.

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