CN207388786U - Composite automobile suspension system - Google Patents
Composite automobile suspension system Download PDFInfo
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- CN207388786U CN207388786U CN201721362695.3U CN201721362695U CN207388786U CN 207388786 U CN207388786 U CN 207388786U CN 201721362695 U CN201721362695 U CN 201721362695U CN 207388786 U CN207388786 U CN 207388786U
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- leaf spring
- spring
- air spring
- air
- damper
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Abstract
The utility model discloses a kind of composite automobile suspension systems, between automobile frame and vehicle bridge, below the car body and both ends leaf spring hinged with the vehicle frame respectively is symmetrically positioned in including two, the extending direction of leaf spring is consistent with the extending direction of vehicle frame；The middle part of leaf spring is fixedly connected with vehicle bridge, and air spring and damper are equipped between the middle part of leaf spring and vehicle frame, and air spring is connected with air spring height adjusting mechanism；Load is born collectively as elastic element by air spring and leaf spring, leaf spring plays guiding role simultaneously；Damper, air spring are all connected with leaf spring, simple and compact for structure, it is easy to accomplish.By controlling air spring air inlet and outlet that vehicle body working depth under different loads can be kept constant, also it is held essentially constant in the intrinsic frequency of different loads lower suspension system, the extremely good ability for absorbing high-frequency vibration improves the ride comfort of suspension system.
Description
Technical field
The utility model is related to automotive suspension technical field more particularly to a kind of light truck air springs and steel
Flat spring Composite Suspension System.
Background technology
Traditional leaf spring has many advantages, such as simple in structure, reliable operation, is widely used in various, but steel
Flat spring also has the shortcomings that big frictional force, load bad adaptability, ride comfort are poor.The application of air spring, to a certain extent
The shortcomings that compensating for leaf spring.During using air spring suspension, it can realize that vehicle body working depth under different loads is constant,
The intrinsic frequency of different loads lower suspension is also held essentially constant, and has the ability of good absorption high-frequency vibration.If by air
Spring forms a kind of Composite Suspension System with leaf spring, it will greatly improves the performance of suspension.
Current existing air spring and leaf spring compound suspension, are all that air spring is arranged in leaf spring and lifting lug
Between, this arrangement reduces the rolling capability of suspension, again limits the setting height(from bottom) and impulse stroke of air spring.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of ride comforts and roll stiffness for improving suspension system
Composite automobile suspension system.
In order to solve the above technical problems, the technical solution of the utility model is：Composite automobile suspension system, mounted on vapour
Between vehicle carriage and vehicle bridge, below the car body and both ends leaf spring hinged with the vehicle frame respectively is symmetrically positioned in including two,
The extending direction of the leaf spring is consistent with the extending direction of the vehicle frame；The middle part of the leaf spring is consolidated with the vehicle bridge
Fixed connection, is equipped with air spring and damper between the middle part of the leaf spring and the vehicle frame, the air spring connects
It is connected to air spring height adjusting mechanism.
As a kind of perferred technical scheme, leaf spring front lifting lug and leaf spring rear lifting lug, institute are installed on the vehicle frame
The both ends for stating leaf spring are hinged respectively with the leaf spring front lifting lug and the leaf spring rear lifting lug.
As a kind of perferred technical scheme, it is installed in the middle part of the leaf spring under air spring and branch is installed
Frame, it is corresponding on the vehicle frame that mounting bracket on air spring is installed, the both ends of the air spring respectively with the air bullet
Mounting bracket is fixedly connected with mounting bracket on the air spring under spring.
As a kind of perferred technical scheme, the both ends of the damper have been respectively articulated with damper lower carriage and damper
Upper bracket, the damper lower carriage in the middle part of the leaf spring with being fixedly connected, the damper upper bracket and the vehicle
Frame is fixedly connected.
As a kind of perferred technical scheme, the air spring height adjusting mechanism includes source of the gas, the source of the gas connection
Have a main air pipe, the main air pipe be connected with the one-to-one bronchus road of the air spring, on the main air pipe
Pressure-control valve is connected with, the bronchus road is equipped with the flow control valve connected successively with the air spring and height
Control valve.
By adopting the above-described technical solution, composite automobile suspension system, between automobile frame and vehicle bridge, bag
It includes two and is symmetrically positioned in below the car body and both ends leaf spring hinged with the vehicle frame respectively, the extension side of the leaf spring
To consistent with the extending direction of the vehicle frame；The middle part of the leaf spring is fixedly connected with the vehicle bridge, the leaf spring
Middle part and the vehicle frame between air spring and damper be installed, the air spring is connected with air spring height adjusting
Mechanism；Load is born collectively as elastic element by air spring and leaf spring, leaf spring plays guiding role simultaneously；Subtract
Shake device, air spring are all connected with leaf spring so that simple and compact for structure, it is easy to accomplish.Since air spring is with superior
Variation rigidity characteristic, by controlling air spring air inlet and outlet that vehicle body working depth under different loads can be kept constant,
It is also held essentially constant in the intrinsic frequency of different loads lower suspension system, the extremely good ability for absorbing high-frequency vibration improves
The ride comfort of suspension system.
Description of the drawings
The following drawings is only intended in doing schematic illustration and explanation to the utility model, does not limit the model of the utility model
It encloses.Wherein：
Fig. 1 is the structure diagram of the utility model embodiment；
Fig. 2 is the top view of the utility model embodiment；
Fig. 3 is the schematic diagram of the utility model embodiment air spring height adjusting mechanism；
In figure：11- vehicle frames；12- vehicle bridge；21- leaf springs；22- leaf spring front lifting lugs；23- leaf spring rear lifting lugs；31- air
Spring；Mounting bracket under 32- air springs；Mounting bracket on 33- air springs；41- dampers；42- damper lower carriages；
43- damper upper brackets；51- sources of the gas；The main air pipes of 52-；53- bronchuses road；54- pressure-control valves；55- flow control valves；
56- levelling valves；6-U type bolts.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is expanded on further.In the following detailed description, only pass through
Bright mode describes some exemplary embodiments of the utility model.Undoubtedly, those of ordinary skill in the art can be with
It recognizes, it, can be with a variety of modes to described in the case of the spirit and scope without departing from the utility model
Embodiment is modified.Therefore, attached drawing and description is regarded as illustrative in nature rather than the protection for limiting claim
Scope.
As depicted in figs. 1 and 2, composite automobile suspension system, between automobile frame 11 and vehicle bridge 12, including
Two are symmetrically positioned in below the car body and both ends leaf spring 21 hinged with the vehicle frame 11 respectively, fixed peace on the vehicle frame 11
Equipped with leaf spring front lifting lug 22 and leaf spring rear lifting lug 23, the both ends of the leaf spring 21 respectively with the leaf spring front lifting lug 22 and institute
It is hinged to state leaf spring rear lifting lug 23.The extending direction of the leaf spring 21 is consistent with the extending direction of the vehicle frame 11；The steel
The middle part of flat spring 21 is fixedly connected with the vehicle bridge 12, is installed between the middle part of the leaf spring 21 and the vehicle frame 11
There are air spring 31 and damper 41, the middle part of the leaf spring 21 is installed with mounting bracket 32 under air spring, institute
State on vehicle frame 11 it is corresponding mounting bracket 33 on air spring are installed, the both ends of the air spring 31 respectively with the air bullet
Mounting bracket 32 is fixedly connected with mounting bracket 33 on the air spring under spring；The both ends of the damper 41 have been respectively articulated with
Damper lower carriage 42 and damper upper bracket 43, the middle part of the damper lower carriage 42 and the leaf spring 21 are fixed
Connection, specifically, the middle part of the leaf spring 21 is fixedly connected with the vehicle bridge 12, the damper lower carriage 42 by with
Being fixedly connected to realize of the vehicle bridge 12 being fixedly connected with the leaf spring 21 middle part, the damper upper bracket 43 with
The vehicle frame 11 is fixedly connected.The air spring 31 is connected with 31 height adjustment mechanism of air spring, as shown in figure 3, described
31 height adjustment mechanism of air spring includes source of the gas 51, and the source of the gas 51 is connected with main air pipe 52, and the main air pipe 52 connects
Be connected to the 31 one-to-one bronchus road 53 of air spring, be connected with pressure-control valve 54 on the main air pipe 52,
The flow control valve 55 connected successively with the air spring 31 and levelling valve 56 are installed on the bronchus road 53.It can
To use braking air tank as source of the gas 51.
As shown in Figure 1, mounting bracket 32, damper lower carriage 42 are logical under the leaf spring 21, vehicle bridge 12, air spring
It crosses U-bolt 6 to connect firmly together in respective centre position, mounting bracket 32 is placed on topmost under air spring, under damper
Stent 42 is placed on bottom, and leaf spring 21, vehicle bridge 12 are in centre；It is cut with scissors with damper upper bracket 43 41 upper end of damper
It connects, lower end is hinged with damper lower carriage 42, and damper upper bracket 43 is connected firmly with vehicle frame 11, damper lower carriage 42 and vehicle bridge 12
It connects firmly；31 upper end of air spring is connected firmly by mounting bracket on air spring 33 and vehicle frame 11, and branch is installed under air spring
Frame 32 is connected firmly with leaf spring 21, and the air spring 31 is connected with 31 height adjustment mechanism of air spring.
The air spring 31, levelling valve 56, source of the gas 51, flow control valve 55 and pressure-control valve 54 pass through main gas
Pipeline 52, bronchus road 53, tee joint quick-insertion connector are connected with two logical quick connectors with air inlet gas circuit, and air spring 31 is adjusted with height
Section mechanism is symmetricly set on 11 both sides of vehicle frame.
The utility model is combined using simple valve system, and the active for realizing bodywork height is adjusted.Pressure-control valve
54 maximum pressures that can be inflated with setting air spring 31, flow control valve 55 can control 31 air inlet of air spring and outlet two
The different air velocity in a direction.
The utility model is using air spring 31 and 21 Composite Suspension System of leaf spring, by air spring 31 and steel plate
Spring 21 bears load collectively as elastic element, and leaf spring 21 plays guiding role simultaneously；Damper 41, air spring 31
It is all connected with leaf spring 21 so that simple and compact for structure, it is easy to accomplish.Since air spring 31 has superior variation rigidity spy
Property, by controlling 31 air inlet of air spring and outlet vehicle body working depth under different loads can be kept constant, in different loads
The intrinsic frequency of lotus lower suspension system is also held essentially constant, the extremely good ability for absorbing high-frequency vibration so that this suspension
The ride comfort of system necessarily improves.
The advantages of basic principle, main feature and the utility model of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Simply illustrate the principle of the utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
Various changes and modifications are had, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed scope is defined by the appending claims and its equivalent thereof.
Claims (5)
1. composite automobile suspension system, between automobile frame and vehicle bridge, it is characterised in that：It is symmetrically positioned in including two
Below the car body and both ends leaf spring hinged with the vehicle frame respectively, the extending direction of the leaf spring and the vehicle frame
Extending direction is consistent；The middle part of the leaf spring is fixedly connected with the vehicle bridge, the middle part of the leaf spring and the vehicle
Air spring and damper are installed, the air spring is connected with air spring height adjusting mechanism between frame.
2. composite automobile suspension system as described in claim 1, it is characterised in that：Leaf spring is installed on the vehicle frame
Front lifting lug and leaf spring rear lifting lug, the both ends of the leaf spring are cut with scissors respectively with the leaf spring front lifting lug and the leaf spring rear lifting lug
It connects.
3. composite automobile suspension system as described in claim 1, it is characterised in that：Peace is fixed at the middle part of the leaf spring
Equipped with mounting bracket under air spring, correspondence is equipped with mounting bracket on air spring on the vehicle frame, the air spring
Both ends are fixedly connected respectively with mounting bracket on mounting bracket under the air spring and the air spring.
4. composite automobile suspension system as described in claim 1, it is characterised in that：The both ends of the damper are respectively articulated with
There are damper lower carriage and damper upper bracket, the damper lower carriage in the middle part of the leaf spring with being fixedly connected, institute
Damper upper bracket is stated to be fixedly connected with the vehicle frame.
5. the composite automobile suspension system as described in Claims 1-4 any claim, it is characterised in that：The air
Spring heights adjusting mechanism includes source of the gas, and the source of the gas is connected with main air pipe, and the main air pipe is connected with and the air
The one-to-one bronchus road of spring, is connected with pressure-control valve on the main air pipe, the bronchus road be equipped with according to
The secondary flow control valve and levelling valve connected with the air spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721362695.3U CN207388786U (en) | 2017-10-20 | 2017-10-20 | Composite automobile suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721362695.3U CN207388786U (en) | 2017-10-20 | 2017-10-20 | Composite automobile suspension system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207388786U true CN207388786U (en) | 2018-05-22 |
Family
ID=62329300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721362695.3U Active CN207388786U (en) | 2017-10-20 | 2017-10-20 | Composite automobile suspension system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207388786U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107757284A (en) * | 2017-10-20 | 2018-03-06 | 山东五征集团有限公司 | Composite automobile suspension system |
| CN111645474A (en) * | 2019-08-27 | 2020-09-11 | 西华大学 | Variable-stiffness auxiliary device for truck leaf spring suspension |
-
2017
- 2017-10-20 CN CN201721362695.3U patent/CN207388786U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107757284A (en) * | 2017-10-20 | 2018-03-06 | 山东五征集团有限公司 | Composite automobile suspension system |
| CN111645474A (en) * | 2019-08-27 | 2020-09-11 | 西华大学 | Variable-stiffness auxiliary device for truck leaf spring suspension |
| CN111645474B (en) * | 2019-08-27 | 2021-09-03 | 西华大学 | Variable-stiffness auxiliary device for truck leaf spring suspension |
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