CN117927597A - Replaceable single-double-cavity air spring, automobile suspension system and manufacturing method of automobile suspension system - Google Patents
Replaceable single-double-cavity air spring, automobile suspension system and manufacturing method of automobile suspension system Download PDFInfo
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- CN117927597A CN117927597A CN202410271404.8A CN202410271404A CN117927597A CN 117927597 A CN117927597 A CN 117927597A CN 202410271404 A CN202410271404 A CN 202410271404A CN 117927597 A CN117927597 A CN 117927597A
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- 239000000725 suspension Substances 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 12
- 230000035939 shock Effects 0.000 claims description 10
- 239000006096 absorbing agent Substances 0.000 claims description 9
- 230000009977 dual effect Effects 0.000 claims 7
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Abstract
The invention discloses a replaceable single-double-cavity air spring, an automobile suspension system and a manufacturing method thereof, which belong to the technical field of automobile suspension system manufacturing.
Description
Technical Field
The invention relates to the technical field of automobile suspension system manufacturing, in particular to a replaceable single-double-cavity air spring, an automobile suspension system and a manufacturing method thereof.
Background
Passenger cars are increasingly demanding in terms of comfort, and conventional passenger cars generally use coil springs that have a fixed linear stiffness that cannot meet the comfort demands of the vehicle traveling under different roadways. Particularly, for large-sized sport automobiles, the load change is large, the requirement on a suspension system is high, and the requirement on complex working conditions is difficult to adapt to by using a coil spring. Therefore, the air spring is applied to the passenger car, and has the advantages of nonlinear stiffness and adjustable height. The air springs may be divided into single-chamber, double-chamber and multi-chamber air springs according to the number of chambers. Wherein the multi-chamber air spring is less applicable due to higher cost. For a general passenger car, the single-cavity or double-cavity air spring can basically meet the use requirement, and the single-cavity or double-cavity air spring can be selected according to the cost requirement of the car type. The existing single-cavity air spring and double-cavity air spring are different in mounting platform, the sharing rate of parts is not high, the manufactured product cost is high, cost control is achieved by the air spring which can be compatible with the single-cavity air spring and the double-cavity air spring, and interchangeability of parts of a suspension system is improved.
The present patent of publication number CN218805056U discloses a two chamber air spring and car, and this two chamber air spring includes: the upper seat is connected with the automobile frame and comprises an upper seat partition plate, the inner space of the upper seat is divided into a first air chamber and a combined space with an opening, and a communication port for communicating the first air chamber and the combined space is formed in the upper seat partition plate; an air bag, the first end of the air bag being connected to the circumferential outer wall of the opening; the vibration reduction movement structure is provided with a first end and a second end which can mutually slide in a telescopic way, the first end passes through the air bag to be connected to the upper seat, and the second end is used for being connected to the automobile hub; the valve component is arranged at the communication port and used for being communicated or closed, and the upper seat of the double-cavity air spring cannot be compatible with a single cavity and a double cavity, so that the manufacturing and maintenance cost is high.
Disclosure of Invention
The invention aims to provide a replaceable single-double-cavity air spring, which solves the problem that the upper shell of the existing air spring cannot be compatible with a single cavity and a double cavity, so that the production cost is high.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The utility model provides an air spring of removable single double chamber, includes support upper casing, supports lower casing, cylinder pole, gasbag subassembly and cylinder body on, support upper casing with it forms support assembly to support lower casing combination on to go up, the one end of cylinder pole with it links to each other to go up support assembly, cylinder body sliding connection is in on the cylinder pole, the gasbag subassembly sets up on the support assembly, it includes the cavity to go up the support upper casing, the cavity sets up in the upper casing, the cavity can with gasbag subassembly intercommunication, through control the cavity with gasbag subassembly break-make changes the space size of storing the air, enlarges air spring's height and rigidity accommodation range.
Further, still include the valve structure, the valve structure sets up in the cavity, just the valve structure control the cavity with the break-make of gasbag subassembly is through install on the last casing of upper support the valve structure changes original single chamber into two chambeies, realizes the effect that suspension can freely switch under different operating modes.
Preferably, the valve structure is an electromagnetic valve, and the valve structure is quick in action and small in size.
Preferably, the upper support upper shell further comprises a reinforcing insert, the reinforcing insert is arranged on the upper support upper shell, the reinforcing insert and the upper support upper shell are integrally formed, and the strength of the upper support assembly is improved.
More preferably, the upper support upper shell and the upper support lower shell are formed by hot gas welding, so that the welding cost is low and the welding can be performed in an external field.
Preferably, the upper support lower shell comprises a pressure maintaining valve, the pressure maintaining valve is arranged on the side wall of the upper support lower shell and is communicated with the air bag assembly for inflating the air bag assembly.
Preferably, the upper support lower shell further comprises a flange, the flange is arranged on the outer side wall of the upper support lower shell, and the air bag assembly is buckled on the flange and used for installing the air bag assembly, so that replacement is facilitated.
Preferably, the air cylinder is characterized by further comprising a buffer assembly, wherein the buffer assembly is arranged on the upper supporting assembly, the buffer assembly comprises a buffer block and a fixed block, one end of the buffer block is connected with the upper supporting assembly, the buffer block is sleeved on the air cylinder rod, and the fixed block is sleeved on the outer wall of the buffer block and used for limiting the minimum stroke of the air spring.
The second purpose of the invention is to provide an automobile suspension system, which solves the problems of high production and off-site maintenance costs of the existing automobile suspension system.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
an automobile suspension system comprises the replaceable single-double-cavity air spring.
The invention further aims to provide a manufacturing method of the automobile suspension system, which solves the problem that the production and maintenance cost is high due to the fact that a single-cavity platform part and a double-cavity platform part are required to be distinguished during manufacturing of the existing automobile air spring.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
A method of manufacturing an automotive suspension system comprising the steps of:
S1, selecting as required: the type of the air spring to be used is selected to be a single cavity or a double cavity according to the type of the automobile;
s2, cavity assembly: if a single-cavity structure is selected, the upper support upper shell and the upper support lower shell are directly welded into an upper support assembly; if the structure is selected to be a double-cavity structure, a valve structure is arranged in a cavity of the upper support upper shell after welding;
s3, assembling an air spring: firstly, sleeving a sealing cover on a shock absorber, then press-fitting the shock absorber on the upper supporting component, and fastening and mounting an air bag component on the end part of the upper supporting component;
s4, mounting: the assembled air spring is installed in the suspension system of the automobile and can be quickly replaced during production and maintenance.
The beneficial effects of the invention are as follows:
(1) The upper support assembly comprising the upper support upper shell and the upper support lower shell is arranged on the replaceable single-double-cavity air spring, the cavity which can be connected with the air bag assembly is arranged in the upper support upper shell, the elastic curve of the air spring can be adjusted through the communication state of the control cavity, the purpose of adjusting the suspension rigidity of the automobile is achieved, the valve structure can be installed in the cavity of the upper support upper shell, the switching from the single cavity to the double cavities is realized, the upper support upper shell is not required to be replaced in the switching, and the cost is saved.
(2) The upper supporting component of the replaceable single-double-cavity air spring is formed by integrally welding an upper supporting upper shell and an upper supporting lower shell through hot air, the formed structure is high in strength and convenient to install, and the pressure maintaining valve is arranged on the upper supporting lower shell, so that the pressure in the cavity can be balanced, and the air spring is prevented from being damaged due to overload.
Drawings
FIG. 1 is a cross-sectional view of a replaceable single-chamber and dual-chamber air spring in accordance with the present invention;
FIG. 2 is a cross-sectional view of a replaceable single/double chamber air spring according to the present invention.
Reference numerals:
1. An upper support upper housing; 11. a cavity; 12. reinforcing inserts; 13. a channel; 14. a valve structure; 2. an upper support lower housing; 21. a pressure maintaining valve; 22. a flange; 3. a cylinder rod; 4. a buffer assembly; 41. a buffer block; 42. a fixed block; 5. an airbag module; 6. a cylinder; 61. a top ring; 7. a sealing cover; 71. a first seal ring; 72. a second seal ring; 8. a shock absorber.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, based on the examples in the application, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the invention.
Example 1
As shown in fig. 1-2, this embodiment discloses a replaceable single-double-cavity air spring, including upper support upper casing 1, upper support lower casing 2, cylinder pole 3, gasbag subassembly 5 and cylinder body 6, upper support upper casing 1 forms upper support subassembly with upper support lower casing 2 combination, the one end of cylinder pole 3 links to each other with upper support subassembly, cylinder body 6 sliding connection is on cylinder pole 3, gasbag subassembly 5 sets up on upper support subassembly, upper support upper casing 1 includes cavity 11, cavity 11 sets up in upper support upper casing 1, cavity 11 can communicate with gasbag subassembly 5, can change the energy storage space size in the air spring through the communication state of control cavity 11 and gasbag subassembly 5, enlarge air spring's height and rigidity accommodation, make the suspension system of passenger car can be applicable to the shock attenuation use of traveling on the road surface of different operating modes.
Wherein the balloon assembly 5 communicates with the cavity 11 by a channel 13.
Preferably, the cavity 11 may be formed by combining the upper support upper housing 1 with the upper support lower housing 2 to expand the volume of the cavity 11 and enhance the cushioning capacity.
Further, the air bag type air bag device further comprises a valve structure 14, the valve structure 14 is arranged in the cavity 11, the valve structure 14 controls the on-off of the cavity 11 and the air bag component 5, after the valve structure 14 is installed in the cavity 11, a space enough for containing buffer gas is reserved in the cavity 11 for buffer use, the valve structure 14 is used for directly controlling the communication state of the cavity 11 and the air bag component 5, the pressure of the air bag component 5 can be adjusted at any time, and the response speed of suspension is improved.
Preferably, the valve structure 14 is a solenoid valve, and the solenoid valve has the characteristics of quick response, sensitive action, convenient operation and easy automatic control, and can be used for rapidly switching the on-off state of the cavity 11 and the air bag assembly 5, so as to realize the height and rigidity adjustment of the air spring.
Preferably, the upper support upper shell 1 further comprises a reinforcing insert 12, the reinforcing insert 12 is arranged on the upper support upper shell 1, the reinforcing insert 12 and the upper support upper shell 1 are integrally formed, the reinforcing insert 12 is a high-strength metal piece and is integrally injection-molded on the upper support upper shell 1, the reinforcing insert 12 is used for mounting a top rubber and a locking nut connected with the cylinder rod 3, the strength of an upper support assembly is improved, and the cylinder rod 3 is prevented from being displaced.
More preferably, the upper support upper shell 1 and the upper support lower shell 2 are formed by hot gas welding, the equipment for hot gas welding is simple, the use cost is low, the welding equipment is convenient to move and flexible to use, and can work in the field without a power supply, so that a passenger car can be quickly maintained in the field and in a highway state by repairing the upper support assembly, and the maintenance cost is reduced.
Preferably, the upper support lower shell 2 comprises a pressure maintaining valve 21, the pressure maintaining valve 21 is arranged on the side wall of the upper support lower shell 2, the pressure maintaining valve 21 is communicated with the air bag assembly 5, and the pressure maintaining valve 21 is used for filling air into the air bag assembly 5, so that pressure compensation is facilitated.
Preferably, the upper support lower shell 2 further comprises a flange 22, the flange 22 is arranged on the outer side wall of the upper support lower shell 2, serrated anti-slip patterns are arranged on the outer wall of the flange 22, the firmness of installation of the air bag assembly 5 is improved, the air bag assembly 5 is buckled on the flange 22, the air bag assembly 5 comprises an air bag and a buckling ring, the air bag is used for storing air as a buffering medium, the buckling ring is used for buckling the air bag on the flange 22, and the air bag is arranged around the air cylinder rod 3.
Preferably, the air bag sealing device further comprises a sealing cover 7, a first sealing ring 71 and a second sealing ring 72, one end of the sealing cover 7 is connected with the air bag assembly 5, the other end of the sealing cover 7 is connected with the outer side wall of the cylinder body 6, the first sealing ring 71 is arranged between the sealing cover 7 and the air bag assembly 5, and the second sealing ring 72 is arranged between the cylinder body 6 and the sealing cover 7, so that the air bag sealing device can protect the cylinder body 6 and the air bag and prevent foreign matters and dust from entering.
Preferably, still include buffer unit 4, buffer unit 4 sets up on last supporting component, buffer unit 4 includes buffer block 41 and fixed block 42, buffer block 41's one end links to each other with last supporting component, and buffer block 41 cover is established on cylinder pole 3, fixed block 42 cover is established on buffer block 41's outer wall, buffer block 41 adopts flexible material to make, it is spacing as the stroke of cylinder body 6 shrink, play the cushioning effect, fixed block 42 is used for strengthening buffer block 41's intensity, prevent buffer block 41 excessive impact and warp, be equipped with top ring 61 on the lateral wall of the outside one end of lack body 6, it is spacing as the stroke that cylinder body 6 stretches out.
Example two
The embodiment also discloses a removable single double-chamber air spring, its difference lies in: the valve structure 14 and the upper support upper shell 1 are fixed into a whole to form a double-cavity switching assembly, the double-cavity switching assembly and the upper support lower shell 2 are welded to form a double-cavity upper support assembly, and the air spring is manufactured or maintained by integrally replacing the upper support assembly, so that the use cost can be further reduced, and the competitiveness of a passenger car on the market can be improved.
The assembly process of the air spring is as follows: injection molding the reinforcing insert 12 and the upper support upper shell 1, injection molding the upper support lower shell 2 and the metal insert 13, welding the upper support upper shell 2 and the metal insert 13 into an upper support assembly through hot air, pressing a top adhesive into the upper support assembly, screwing a pressure maintaining valve 21 into the upper support assembly, pressing a buffer assembly 4 into the upper support assembly, mounting an air bag assembly 5 onto a cylinder body 6, press-mounting the mounted cylinder body 6 and the upper support assembly together, firstly assembling a shock absorber 8 and a dustproof part together, mounting a sealing cover 7, a first sealing ring 71 and a second sealing ring 72 onto the shock absorber 8, and connecting a cylinder rod 3 and the upper support assembly by using a locking nut; during replacement, the single-cavity upper support upper shell can be directly replaced by the double-cavity upper support upper shell, and the valve structure 14 is installed, so that the double-cavity air spring can be assembled.
Example III
The embodiment also discloses an automobile suspension system, which comprises a replaceable single-double-cavity air spring, a frame and tires, wherein the replaceable single-double-cavity air spring is connected between the tires and the frame, absorbs impact from the tires and adjusts the height of the frame and the ground.
Example IV
The embodiment also discloses a manufacturing method of the automobile suspension system, which comprises the following steps:
S1, selecting as required: the type of the air spring to be used is selected to be a single cavity or a double cavity according to the type of the automobile;
S2, cavity assembly: if a single-cavity structure is selected, the upper support upper shell 1 and the upper support lower shell 2 are directly welded into an upper support assembly; if a double-cavity structure is selected, a valve structure 14 is arranged in the cavity 11 of the upper support upper shell 1 after welding;
s3, assembling an air spring: firstly, sleeving a sealing cover 7 on a shock absorber 8, then press-fitting the shock absorber 8 on an upper support assembly, and fastening and mounting an air bag assembly 5 on the end part of the upper support assembly;
S4, mounting: the assembled air spring is installed in the suspension system of the automobile, and the upper supporting shell 1 is selectively replaced to change the configuration of different automobiles during production and maintenance, so that the common parts reduce the manufacturing and using cost.
Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.
Claims (10)
1. The utility model provides an air spring of removable list double chamber, includes support upper casing (1), supports lower casing (2), cylinder pole (3), gasbag subassembly (5) and cylinder body (6) on, support upper casing (1) with support lower casing (2) combination formation upper support subassembly, the one end of cylinder pole (3) with upper support subassembly links to each other, cylinder body (6) sliding connection is in on cylinder pole (3), gasbag subassembly (5) set up on the upper support subassembly, its characterized in that: the upper support upper shell (1) comprises a cavity (11), the cavity (11) is arranged in the upper support upper shell (1), and the cavity (11) can be communicated with the air bag assembly (5).
2. The replaceable single and dual chamber air spring of claim 1, wherein:
The air bag module further comprises a valve structure (14), wherein the valve structure (14) is arranged in the cavity (11), and the valve structure (14) controls the on-off of the cavity (11) and the air bag module (5).
3. The replaceable single and dual chamber air spring of claim 2, wherein:
the valve structure (14) is a solenoid valve.
4. The replaceable single and dual chamber air spring of claim 1, wherein:
the upper support upper shell (1) further comprises a reinforcing insert (12), the reinforcing insert (12) is arranged on the upper support upper shell (1), and the reinforcing insert (12) and the upper support upper shell (1) are integrally formed.
5. The replaceable single and dual chamber air spring of claim 4, wherein:
The upper support upper shell (1) and the upper support lower shell (2) are formed by hot gas welding.
6. The replaceable single and dual chamber air spring of claim 1, wherein:
The upper support lower shell (2) comprises a pressure maintaining valve (21), the pressure maintaining valve (21) is arranged on the side wall of the upper support lower shell (2), and the pressure maintaining valve (21) is communicated with the air bag assembly (5).
7. The replaceable single and dual chamber air spring of claim 6, wherein:
The upper support lower shell (2) further comprises a flange (22), the flange (22) is arranged on the outer side wall of the upper support lower shell (2), and the airbag assembly (5) is buckled on the flange (22).
8. The replaceable single and dual chamber air spring of claim 1, wherein:
Still include buffer unit (4), buffer unit (4) set up on the last supporting component, buffer unit (4) include buffer block (41) and fixed block (42), the one end of buffer block (41) with go up supporting component links to each other, just buffer block (41) cover is established on cylinder pole (3), fixed block (42) cover is established on the outer wall of buffer block (41).
9. An automotive suspension system characterized by: an air spring comprising a replaceable single and double chamber as claimed in any one of claims 1 to 8.
10. A method of manufacturing an automotive suspension system comprising the steps of:
S1, selecting as required: the type of the air spring to be used is selected to be a single cavity or a double cavity according to the type of the automobile;
S2, cavity assembly: if a single-cavity structure is selected, the upper support upper shell (1) and the upper support lower shell (2) are directly welded into an upper support assembly; if the structure is a double-cavity structure, a valve structure (14) is arranged in a cavity (11) of the upper support upper shell (1) after welding;
s3, assembling an air spring: firstly, sleeving a sealing cover (7) on a shock absorber (8), then press-fitting the shock absorber (8) on the upper supporting component, and press-fitting an air bag component (5) on the end part of the upper supporting component;
s4, mounting: the assembled air spring is installed into the suspension system of the automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410271404.8A CN117927597A (en) | 2024-03-11 | 2024-03-11 | Replaceable single-double-cavity air spring, automobile suspension system and manufacturing method of automobile suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410271404.8A CN117927597A (en) | 2024-03-11 | 2024-03-11 | Replaceable single-double-cavity air spring, automobile suspension system and manufacturing method of automobile suspension system |
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| Publication Number | Publication Date |
|---|---|
| CN117927597A true CN117927597A (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410271404.8A Pending CN117927597A (en) | 2024-03-11 | 2024-03-11 | Replaceable single-double-cavity air spring, automobile suspension system and manufacturing method of automobile suspension system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117927597A (en) |
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2024
- 2024-03-11 CN CN202410271404.8A patent/CN117927597A/en active Pending
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