CN218882880U

CN218882880U - Rear suspension shock absorber with excellent buffering performance

Info

Publication number: CN218882880U
Application number: CN202223121819.2U
Authority: CN
Inventors: 陈志豪; 李玉明; 恽玉南; 焦荣森
Original assignee: Jiangsu Global Honghao Automobile Co ltd
Current assignee: Jiangsu Global Honghao Automobile Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-04-18
Anticipated expiration: 2032-11-22

Abstract

The utility model discloses a rear overhang bumper shock absorber that shock-absorbing capacity is excellent, include: the rear suspension arched girder is used for installing the shock absorber and the cab, and the mounting plate is used for connecting each buffering component and the rear suspension arched girder. The utility model discloses a back hangs arched girder, the mounting panel, the diaphragm, elementary buffer gear, secondary buffer gear, mutually supporting of installation base and blotter, the back that shock-absorbing capacity is excellent has been realized, realize preliminary buffering through the gasbag bumper shock absorber, surplus impact force is conducted to secondary buffer gear through the portal frame, mutually support through hydraulic shock absorber and slant bumper shock absorber, the vibrations of vertical direction have been attenuated, alleviate horizontal impact force through horizontal buffer gear, through multistage buffering, can alleviate the impact force of horizontal and vertical two directions simultaneously, the buffering effect has been strengthened, the stability and the impact resistance of driver's cabin have been guaranteed.

Description

Rear suspension shock absorber with excellent buffering performance

Technical Field

The utility model relates to an automobile manufacturing technical field specifically is a rear overhang bumper shock absorber that shock-absorbing capacity is excellent.

Background

When the automobile runs, vibration on a cab is mainly transmitted to the cab through a chassis suspension, an engine suspension and a cab suspension system on a road surface. The traditional automobile cab has the structure that an automobile body and an automobile frame are connected in a common vibration damping direct connection mode.

As disclosed in publication No.: the automobile rear suspension device disclosed by CN102923200A comprises a rear suspension shock absorber, a rear suspension arched beam with rear suspension lower supports arranged at two ends and a rear suspension floating beam with hydraulic lock mounting plates connected at two ends, wherein two ends of the rear suspension shock absorber are respectively and vertically hinged to the lower part of the hydraulic lock mounting plate and the rear suspension shock absorber mounting plate on the rear suspension lower supports; and a rear suspension transverse pull rod is arranged between the hydraulic lock mounting plate and the rear suspension arched beam. The invention can solve the problems of poor comfort, insufficient stability and poor operation safety of the automobile cab in the prior art.

However, the rear suspension shock absorber disclosed above only achieves buffering of the cab through single shock absorption and some rigid shock absorption components, and the shock absorption performance is poor, so that a rear suspension shock absorber with excellent shock absorption performance needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rear overhang bumper shock absorber that shock-absorbing capacity is excellent to solve the problem that provides in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a rear suspension shock absorber excellent in shock absorbing performance, comprising:

the rear suspension arched beam is used for mounting the shock absorber and the cab;

the mounting panel for each buffering part is connected with the rear overhang arched girder, the number of the mounting panel is two, and the mounting panel is arranged on the left side and the right side of the rear overhang arched girder, the transverse plate is fixedly connected with the inside of the mounting panel, a primary buffering mechanism is connected below the mounting panel through a rotating shaft, and the primary buffering mechanism is used for buffering the vibration received for the first time;

and the secondary buffer mechanism is used for secondarily buffering the residual vibration after primary buffering and is fixedly connected below the primary buffer mechanism.

Preferably, elementary buffer gear includes the bracing piece, the bracing piece is connected with the mounting panel through the pivot, one side fixedly connected with fixed block that the bracing piece is close to back overhang arched girder, be connected through supporting the bumper shock absorber between fixed block and the diaphragm, the surface of bracing piece just is located the below fixedly connected with connecting block of fixed block, is connected through the portal frame between two connecting blocks, the top fixedly connected with gasbag bumper shock absorber of portal frame, the top of gasbag bumper shock absorber is connected with back overhang arched girder through the pivot, be connected through the car round pin between connecting block and the portal frame.

Preferably, secondary buffer gear includes two installation pieces, is connected through the slide bar between two installation pieces, the bottom fixedly connected with stopper of portal frame, the stopper cover is established on the surface of slide bar, be provided with the slider between installation piece and the stopper, the slider cover is established on the surface of slide bar, be connected through buffer spring between slider and the stopper, the bottom fixedly connected with hydraulic shock absorber of bracing piece, the bottom fixedly connected with hydraulic pressure lock mounting panel of hydraulic shock absorber, be connected through the slant bumper shock absorber between hydraulic pressure lock mounting panel and the slider, be connected through horizontal buffer gear between two hydraulic pressure lock mounting panels.

Preferably, the transverse buffer mechanism comprises a reset bin, a reset spring is arranged in the reset bin, push rods are fixedly connected to two ends of the reset spring, and one end, far away from the reset spring, of each push rod is connected with the hydraulic lock mounting plate.

Preferably, the hydraulic lock mounting plate is connected with a mounting base through a connecting piece, and one side of the sliding block, which is close to the mounting block, is fixedly connected with a cushion pad.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a back hangs arched girder, the mounting panel, the diaphragm, elementary buffer gear, secondary buffer gear, mutually supporting of installation base and blotter, the back that shock-absorbing capacity is excellent has been realized, realize preliminary buffering through the gasbag bumper shock absorber, surplus impact force is conducted to secondary buffer gear through the portal frame, mutually supporting through hydraulic shock absorber and slant bumper shock absorber, the vibrations of vertical direction have been attenuated, alleviate horizontal impact force through horizontal buffer gear, through multistage buffering, can alleviate the impact force of horizontal and vertical two directions simultaneously, the buffering effect has been strengthened, the stability and the shock resistance of driver's cabin have been guaranteed.

2. The utility model discloses a set up the installation base, make things convenient for and install between damper and the automobile body, bolt design through between portal frame and the connecting block, make things convenient for the dismantlement between portal frame and the connecting block, be convenient for maintain and change the portal frame, through setting up the blotter, the rigid collision between slider and the installation piece has been reduced, the life of slider has been prolonged, design "C" type through the portal frame, the bending resistance of portal frame has been strengthened, support and cushion the mounting panel through supporting the bumper shock absorber, prevent that the too big emergence of the pressure that the mounting panel receives from damaging under pressure.

Drawings

FIG. 1 is a structural section view of the front view of the present invention;

fig. 2 is a schematic structural diagram of a rear view of the present invention.

In the figure: 1 rear suspension arched beam, 2 mounting plates, 3 transverse plates, 4 primary buffer mechanisms, 401 supporting rods, 402 fixing blocks, 403 supporting shock absorbers, 404 connecting blocks, 405 portal frames, 406 airbag shock absorbers, 407 car pins, 5 secondary buffer mechanisms, 501 mounting blocks, 502 sliding rods, 503 limiting blocks, 504 sliding blocks, 505 buffer springs, 506 hydraulic shock absorbers, 507 hydraulic lock mounting plates, 508 oblique shock absorbers, 509 transverse buffer mechanisms, 5091 reset bins, 5092 reset springs, 5093 push rods, 6 mounting bases and 7 buffer pads.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a rear suspension shock absorber with excellent shock absorbing performance is characterized by comprising:

and the rear overhang arched girder 1 is used for installing a shock absorber and a cab.

The mounting plate 2 is used for connecting each buffer component with the rear suspension arched beam 1, the mounting plate 2 is two in number, and is arranged on the left side and the right side of the rear suspension arched beam 1, the transverse plates 3 are fixedly connected to the inside of the mounting plate 2, the lower side of the mounting plate 2 is connected with the primary buffer mechanism 4 through a rotating shaft, the primary buffer mechanism 4 is used for buffering the received vibration for the first time, the primary buffer mechanism 4 comprises a supporting rod 401, the supporting rod 401 is connected with the mounting plate 2 through a rotating shaft, one side of the supporting rod 401, which is close to the rear suspension arched beam 1, is fixedly connected with a fixing block 402, the fixing block 402 is connected with the transverse plates 3 through a supporting damper 403, the mounting plate 2 is supported and buffered, the mounting plate 2 is prevented from being damaged due to overlarge pressure under the pressure, the surface of the supporting rod 401 is fixedly connected with a connecting block 404 below the fixing block 402, the two connecting blocks 404 are connected through a gantry 405, the top of the gantry 405 is fixedly connected with an airbag damper 406, the top of the airbag damper 406 is connected with the rear suspension arched beam 1 through a rotating shaft, the connecting block 404 is convenient to disassembly between the gantry 405 and replacement of the gantry 405, the gantry 405 is convenient to replace the gantry 405, and the gantry 405 is improved in the anti-bending capacity of the gantry 405, and the portal 405 is improved.

The residual impact force is transmitted to a secondary buffer mechanism 5 through a portal frame 405 and is used for performing secondary buffering on residual vibration after primary buffering, the secondary buffer mechanism 5 is fixedly connected below a primary buffer mechanism 4, the secondary buffer mechanism 5 comprises two mounting blocks 501, the two mounting blocks 501 are connected through a sliding rod 502, the bottom of the portal frame 405 is fixedly connected with a limiting block 503, the limiting block 503 is sleeved on the surface of the sliding rod 502, a sliding block 504 is arranged between the mounting blocks 501 and the limiting block 503, the sliding block 504 is sleeved on the surface of the sliding rod 502, the sliding block 504 is connected with the limiting block 503 through a buffer spring 505, the bottom of the supporting rod 401 is fixedly connected with a hydraulic damper 506, the bottom of the hydraulic damper 506 is fixedly connected with a hydraulic lock mounting plate 507, the hydraulic lock mounting plate 507 is connected with the sliding block 504 through an oblique damper 508, and the two hydraulic lock mounting plates 507 are connected through a transverse buffer mechanism 509, the transverse buffer mechanism 509 comprises a reset bin 5091, a reset spring 5092 is arranged in the reset bin 5091, push rods 5093 are fixedly connected to two ends of the reset spring 5092, one end, far away from the reset spring 5092, of each push rod 5093 is connected with the hydraulic lock mounting plate 507, the hydraulic lock mounting plate 507 is connected with the mounting base 6 through a connecting piece, the mounting between the buffer mechanism and a vehicle body is facilitated, the vibration in the vertical direction is attenuated through the mutual matching of the hydraulic shock absorber 506 and the oblique shock absorber 508, the transverse impact force is relieved through the transverse buffer mechanism 509, the impact forces in the transverse direction and the longitudinal direction can be relieved simultaneously through multi-stage buffering, the buffer effect is enhanced, the stability and the impact resistance of a cab are ensured, a buffer cushion 7 is fixedly connected to one side, close to the mounting block 501, and the rigid collision between the slider 504 and the mounting block 501 is reduced, the useful life of the slider 504 is extended.

During the use, install rear overhang arched girder 1 on the driver's cabin, be connected mounting panel 2 with rear overhang arched girder 1 through the bolt, the pressure that the driver's cabin receives is conducted to mounting panel 2 and gasbag bumper shock absorber 406 on, carry out the primary buffering through supporting bumper shock absorber 403 and gasbag bumper shock absorber 406, surplus impact force is conducted to the hydraulic shock absorber 506 in below through portal frame 405 and bracing piece 401, simultaneously through oblique bumper shock absorber 508 with the pressure dispersion of vertical direction, carry out the secondary buffering through the buffer spring 505 and the hydraulic shock absorber 506 of cover dress on slide bar 502 to the impact force of vertical direction, accomplish the buffer process of whole vertical direction, finally, cushion the horizontal impact force of rocking production through reset spring 5092, accomplish whole buffer process finally.

In conclusion: this rear overhang bumper shock absorber that shock-absorbing capacity is excellent through mutually supporting of rear overhang arched girder 1, mounting panel 2, diaphragm 3, primary buffer gear 4, secondary buffer gear 5, installation base 6 and blotter 7, has solved the problem that proposes in the background art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A rear suspension damper excellent in damping performance, comprising:

the rear overhang arched girder (1) is used for mounting the shock absorber and the cab;

the mounting plate (2) is used for connecting each buffering component with the rear suspension arched beam (1), the number of the mounting plate (2) is two, the mounting plate is arranged on the left side and the right side of the rear suspension arched beam (1), a transverse plate (3) is fixedly connected to the inside of the mounting plate (2), a primary buffering mechanism (4) is connected to the lower portion of the mounting plate (2) through a rotating shaft, and the primary buffering mechanism (4) is used for buffering the received vibration for the first time;

and the secondary buffer mechanism (5) is used for secondarily buffering the vibration remained after the primary buffering, and the secondary buffer mechanism (5) is fixedly connected below the primary buffer mechanism (4).

2. A rear suspension damper excellent in shock absorbing performance according to claim 1, characterized in that: primary buffer gear (4) are including bracing piece (401), bracing piece (401) are connected with mounting panel (2) through the pivot, bracing piece (401) are close to one side fixedly connected with fixed block (402) of back overhang arched girder (1), be connected through supporting bumper shock absorber (403) between fixed block (402) and diaphragm (3), the surface of bracing piece (401) just is located below fixedly connected with connecting block (404) of fixed block (402), is connected through portal frame (405) between two connecting blocks (404), the top fixedly connected with gasbag bumper shock absorber (406) of portal frame (405), the top of gasbag bumper shock absorber (406) is connected with back overhang arched girder (1) through the pivot, be connected through car round pin (407) between connecting block (404) and portal frame (405).

3. A rear suspension damper excellent in shock absorbing performance according to claim 2, characterized in that: the secondary buffer mechanism (5) comprises two mounting blocks (501), the two mounting blocks (501) are connected through a sliding rod (502), a limiting block (503) is fixedly connected to the bottom of a portal frame (405), the surface of the sliding rod (502) is sleeved with the limiting block (503), a sliding block (504) is arranged between the mounting blocks (501) and the limiting block (503), the surface of the sliding rod (502) is sleeved with the sliding block (504), the sliding block (504) and the limiting block (503) are connected through a buffer spring (505), the bottom of the supporting rod (401) is fixedly connected with a hydraulic damper (506), the bottom of the hydraulic damper (506) is fixedly connected with a hydraulic lock mounting plate (507), the hydraulic lock mounting plate (507) is connected with the sliding block (504) through an inclined damper (508), and the two hydraulic lock mounting plates (507) are connected through a transverse buffer mechanism (509).

4. A rear suspension damper excellent in shock absorbing performance according to claim 3, characterized in that: horizontal buffer gear (509) is including resetting storehouse (5091), the inside in resetting storehouse (5091) is provided with reset spring (5092), the equal fixedly connected with push rod (5093) in both ends of reset spring (5092), the one end that reset spring (5092) were kept away from in push rod (5093) is connected with hydraulic pressure lock mounting panel (507).

5. A rear suspension damper excellent in shock absorbing performance according to claim 3, characterized in that: the hydraulic lock mounting plate (507) is connected with a mounting base (6) through a connecting piece, and one side of the sliding block (504) close to the mounting block (501) is fixedly connected with a cushion pad (7).