CN217574764U

CN217574764U - Air suspension for truck and trailer

Info

Publication number: CN217574764U
Application number: CN202221618735.7U
Authority: CN
Inventors: 赵琳琦; 吴利锋; 左少朋; 张旭
Original assignee: Henan Yongrun Electromechanical Technology Co ltd
Current assignee: Henan Yongrun Electromechanical Technology Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-10-14
Anticipated expiration: 2032-06-27

Abstract

The utility model provides an air suspension for truck, include: go up support plate, fixed orifices, go up guide pillar, compression part, lower guide pillar and lower support plate, the fixed orifices has all been seted up to the inside left and right sides of last support plate, go up the terminal surface and install the guide pillar under the board, the compression part is installed to the terminal surface under the upper guide pillar, the lower support plate is installed to the terminal surface under the guide pillar down, it is the same with the download board specification to go up the support plate, just a set of fixed orifices has all been seted up to the inside left and right sides of lower support plate, it is a moving mechanism to go up guide pillar and lower guide pillar, compares with prior art, the utility model discloses following beneficial effect has: through using gasbag and interior compression leg, can make the vehicle dead weight support, through using spring, interior damping seat and interior piston ring, can effectively keep spring and the inside air tension's of lower guide pillar quick bounce-back, improved the utility model discloses the effect of slowly-releasing, protection.

Description

Air suspension for truck and trailer

Technical Field

The utility model belongs to the technical field of the air suspension, a truck, trailer air suspension device are related to, specifically speaking relates to an air suspension for card trailer.

Background

Nearly all use air suspension foreign senior motor coach, the proportion that heavy duty truck used air suspension has reached more than 80%, and the amount of application of air suspension on light automobile is also rising rapidly, but among the prior art truck trailer air suspension owing to the dead weight great thus lead to hanging the shock attenuation effect relatively poor, consequently, need a truck air suspension to solve above problem now urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a truck-mounted air suspension, the problem of proposing among the above-mentioned background art is solved to not enough that exist to prior art.

The utility model discloses a following technical scheme realizes: an air suspension for a truck-trailer comprising: the novel support plate comprises an upper support plate, fixing holes, an upper guide pillar, a compression part, a lower guide pillar and a lower support plate, wherein the fixing holes are formed in the left side and the right side of the inside of the upper support plate, the upper guide pillar is installed on the lower end face of the upper support plate, the compression part is installed on the lower end face of the upper guide pillar, the lower guide pillar is installed on the lower end face of the compression part, and the lower support plate is installed on the lower end face of the lower guide pillar.

As a preferred embodiment, the upper carrier plate has the same specification as the lower carrier plate in actual use, a set of fixing holes are formed in the left side and the right side of the inner portion of the lower carrier plate in actual use, and the upper guide pillar and the lower guide pillar are both movable mechanisms in actual use.

In a preferred embodiment, the compression member includes a pneumatic pump, a housing, and a decompression column, the housing is mounted on the outer side of the lower end face of the pneumatic pump in actual use, the air guide tube is mounted on the upper end of the inner side of the housing in actual use, and the air bag is mounted on the lower end face of the air guide tube in actual use.

As a preferred embodiment, the lower end face of the airbag is provided with a bearing plate in actual use, the lower end face of the bearing plate is provided with an inner compression column in actual use, the outer side of the middle position of the inner compression column is provided with an inner piston ring in actual use, the outer side of the upper end of the lower guide column is provided with an outer piston ring in actual use, the lower end of the inner compression column is provided with a spring in actual use, the upper end of the inner side of the spring is provided with an inner damping seat in actual use, and the lower end face of the inner damping seat is provided with a pressure-relieving column in actual use.

In a preferred embodiment, the interior of the pneumatic pump is communicated with the interior of the air guide pipe and the interior of the air bag in actual use, the material for manufacturing the air bag is rubber in actual use, the air bag in actual use comprises three groups of large bags and two groups of small bags, the lower end of the air bag in actual use is fixedly connected with the bearing plate, the outer piston ring in actual use is movably and hermetically connected with the inner side of the shell, and the inner piston ring in actual use is movably and hermetically connected with the inner side of the lower guide post.

As a preferred embodiment, the inner side of the inner damping seat is movably and hermetically connected with the upper end of the pressure-reducing column in actual use, the lower end inside the inner damping seat, the lower end inside the shell and the upper end inside the lower guide column are all provided with a limiting mechanism in actual use, the inner damping seat is internally provided with an air damping seat based on the existing air damping technology in actual use, and the spring is fixedly connected with the lower end inside the inner pressure column and the lower end inside the lower guide column in actual use.

After the technical scheme is adopted, the beneficial effects of the utility model are that: through using gasbag and interior compression leg, can make the vehicle dead weight support, through using spring, interior damping seat and interior piston ring, can effectively keep spring and the inside air tension's of lower guide pillar quick bounce-back, improved the utility model discloses the effect of slowly-releasing, protection.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of an air suspension for a truck-trailer vehicle according to the present invention;

fig. 2 is a front view structural diagram of the inside of a compression part in the air suspension for the truck-trailer of the present invention;

FIG. 3 is a front view of the interior of the lower guide post in the air suspension for a truck of the present invention;

in the figure: 1-upper carrier plate, 2-fixing hole, 3-upper guide post, 4-compression part, 5-lower guide post, 6-lower carrier plate, 41-pneumatic pump, 42-shell, 43-air conduit, 44-air bag, 45-carrier plate, 46-inner pressure column, 47-outer piston ring, 48-spring, 49-inner piston ring, 401-inner damping seat and 402-slow pressure column.

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 efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, an air suspension for a truck-mounted vehicle includes: the upper support plate 1, the fixing holes 2, the upper guide pillars 3, the compression parts 4, the lower guide pillars 5 and the lower support plate 6 are arranged on the left and right sides inside the upper support plate 1, the upper guide pillars 3 are installed on the lower end face of the upper support plate 1, the compression parts 4 are installed on the lower end face of the upper guide pillars 3, the lower guide pillars 5 are installed on the lower end face of the compression parts 4, and the lower support plate 6 is installed on the lower end face of the lower guide pillars 5.

The specification of the upper carrier plate 1 is the same as that of the lower carrier plate 6 in actual use, a group of fixing holes 2 are formed in the left side and the right side of the inner part of the lower carrier plate 6 in actual use, and the upper guide pillar 3 and the lower guide pillar 5 are moving mechanisms in actual use, so that the dead weight of a vehicle can be supported.

The compression member 4 includes a pneumatic pump 41, a housing 42, and a decompression column 402 in actual use, the housing 42 is mounted on the outer side of the lower end face of the pneumatic pump 41 in actual use, the air guide tube 43 is mounted on the inner upper end of the housing 42 in actual use, and the airbag 44 is mounted on the lower end face of the air guide tube 43 in actual use.

The lower end face of the air bag 44 is provided with a bearing plate 45 in actual use, the lower end face of the bearing plate 45 is provided with an inner pressure column 46 in actual use, the outer side of the middle position of the inner pressure column 46 is provided with an inner piston ring 49 in actual use, the outer side of the upper end of the lower guide column 5 is provided with an outer piston ring 47 in actual use, the lower end of the inner pressure column 46 is provided with a spring 48 in actual use, the inner upper end of the inner side of the spring 48 is provided with an inner damping seat 401 in actual use, and the lower end face of the inner damping seat 401 is provided with a pressure-relieving column 402 in actual use.

The interior of the pneumatic pump 41 is communicated with the interior of the air guide pipe 43 and the interior of the air bag 44 in actual use, the material for manufacturing the air bag 44 is rubber in actual use, the air bag 44 comprises three groups of large bags and two groups of small bags in actual use, the lower end of the air bag 44 is fixedly connected with the bearing plate 45 in actual use, the outer piston ring 47 is movably and hermetically connected with the inner side of the shell 42 in actual use, and the inner piston ring 49 is movably and hermetically connected with the inner side of the lower guide post 5 in actual use.

Interior damping seat 401 is inboard in-service use with slowly press post 402 upper end swing joint, the inside lower extreme of interior damping seat 401, stop gear is all installed in-service use to the inboard lower extreme of casing 42 and the inboard upper end of lower guide pillar 5, the inside air damping seat based on current air damping technique of installing in-service use of interior damping seat 401, spring 48 is connected fixedly with interior pressure post 46 lower extreme and the inside lower extreme of lower guide pillar 5 in-service use, can effectively keep spring 48 and the quick bounce-back of the inside air tension of lower guide pillar 5.

As an embodiment of the present invention: in practical use, a user fixes the upper carrier plate 1 and the lower carrier plate 6 inside a vehicle suspension system through bolts respectively, and simultaneously the user starts the pneumatic pump 41 to enable the pneumatic pump 41 to work and enable air to enter the air bag 44 through the air conduit 43, the air bag 44 is expanded to squeeze the carrier plate 45 downwards so as to raise the suspension height of the vehicle, during the running process of the vehicle, the self weight of the vehicle and the vibration potential energy of the vehicle are squeezed downwards through the upper carrier plate 1, the upper guide pillar 3 is enabled to move downwards through the squeezing shell 42, the shell 42 is enabled to move downwards through squeezing the upper end of the air bag 44, meanwhile, the air bag 44 squeezes the carrier plate 45 downwards and enables the inner pressure pillar 46 to move downwards, and the inner pressure pillar 46 drives the inner piston ring 49 to move downwards, because interior piston ring 49 is in the in-service use with the inboard movable sealing connection of lower guide pillar 5, when interior piston ring 49 moves down, extrusion spring 48 carries out the first grade slowly-releasing, compress the inside air of lower guide pillar 5 simultaneously and carry out the second grade slowly-releasing, and at the inside pressure potential energy that stores of lower guide pillar 5, because the inside air damping seat based on current air damping technique is installed in the in-service use of interior damping seat 401 again, the inboard movable sealing connection with the upper end of slow compression post 402 in the in-service use of interior damping seat 401, can fully slowly-release the reverse release of pressure potential energy between slow compression post 402 and the interior damping seat 401, prevent that the counter-acting force of vehicle jolt is too big, lead to the condition of suspension damage.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An air suspension for a truck trailer comprising: go up support plate (1), fixed orifices (2), go up guide pillar (3), compression part (4), lower guide pillar (5) and support plate (6) down, its characterized in that: the improved structure is characterized in that fixing holes (2) are formed in the left side and the right side of the interior of the upper support plate (1), an upper guide pillar (3) is installed on the lower end face of the upper support plate (1), a compression part (4) is installed on the lower end face of the upper guide pillar (3), a lower guide pillar (5) is installed on the lower end face of the compression part (4), and a lower support plate (6) is installed on the lower end face of the lower guide pillar (5).

2. The air suspension for a truck-trailer of claim 1, wherein: the upper support plate (1) and the lower support plate (6) are the same in specification, a group of fixing holes (2) are formed in the left side and the right side of the inner portion of the lower support plate (6), and the upper guide pillar (3) and the lower guide pillar (5) are movable mechanisms.

3. An air suspension for a truck-trailer as claimed in claim 1, wherein: compressing unit (4) include pneumatic pump (41), casing (42) and slow-pressure post (402), casing (42) are installed to pneumatic pump (41) lower extreme off-plate side, casing (42) inboard upper end is installed gas conduit (43), gasbag (44) are installed to gas conduit (43) lower terminal surface.

4. The air suspension for a truck-mounted vehicle of claim 3, wherein: carrier plate (45) are installed to the terminal surface under gasbag (44), interior compression leg (46) are installed to the terminal surface under carrier plate (45), piston ring (49) in interior compression leg (46) intermediate position outside is installed, outer piston ring (47) are installed in lower guide pillar (5) upper end outside, spring (48) are installed to interior compression leg (46) lower extreme, interior damping seat (401) are installed to spring (48) inboard upper end, slow compression leg (402) are installed to interior damping seat (401) lower terminal surface.

5. The air suspension for a truck-mounted vehicle of claim 4, wherein: the inner part of the pneumatic pump (41), the inner part of the air guide pipe (43) and the inner part of the air bag (44) are communicated with each other, the air bag (44) is made of rubber, the air bag (44) comprises three groups of large bag groups and two groups of small bag groups, the lower end of the air bag (44) is fixedly connected with a bearing plate (45), an outer piston ring (47) is movably and hermetically connected with the inner side of the shell (42), and an inner piston ring (49) is movably and hermetically connected with the inner side of the lower guide post (5).

6. The air suspension for a truck-mounted vehicle of claim 4, wherein: the inner side of the inner damping seat (401) is movably and hermetically connected with the upper end of the pressure-reducing column (402), limiting mechanisms are installed at the lower end inside the inner damping seat (401), the lower end inside the shell (42) and the upper end inside the lower guide column (5), an air damping seat based on the existing air damping technology is installed inside the inner damping seat (401), and the spring (48) is fixedly connected with the lower end of the inner pressure column (46) and the lower end inside the lower guide column (5).