CN111043217A - Reinforced plastic metal composite air spring piston - Google Patents
Reinforced plastic metal composite air spring piston Download PDFInfo
- Publication number
- CN111043217A CN111043217A CN201911364185.3A CN201911364185A CN111043217A CN 111043217 A CN111043217 A CN 111043217A CN 201911364185 A CN201911364185 A CN 201911364185A CN 111043217 A CN111043217 A CN 111043217A
- Authority
- CN
- China
- Prior art keywords
- support ring
- inner support
- air spring
- spring piston
- metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002905 metal composite material Substances 0.000 title claims abstract description 19
- 239000002990 reinforced plastic Substances 0.000 title description 2
- 229910052751 metal Inorganic materials 0.000 claims abstract description 41
- 239000002184 metal Substances 0.000 claims abstract description 41
- 239000004033 plastic Substances 0.000 claims abstract description 14
- 239000007769 metal material Substances 0.000 claims description 5
- 150000002736 metal compounds Chemical class 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 7
- 238000001125 extrusion Methods 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/0209—Telescopic
- F16F9/0227—Telescopic characterised by the piston construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/12—Fluid damping
- F16F2222/126—Fluid damping using gases
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses an enhanced plastic metal composite type air spring piston.A inner support ring and a metal connecting sleeve are arranged at intervals along the axial direction; the piston body comprises a first connecting part and a second connecting part which are integrally formed, the first connecting part is vulcanized outside the inner support ring, and the second connecting part is vulcanized on the outer wall of the metal connecting sleeve from one side of the metal connecting sleeve close to the inner support ring. Through the optimally designed enhanced plastic metal composite air spring piston, the piston body, the inner support ring and the metal connecting sleeve form a whole, so that the problems of sliding, falling and the like caused by vibration are avoided during use, and the stability of the overall performance of the air spring piston is ensured; the inner support ring provides strength support for the hollow spring piston buckling position, the hollow spring piston buckling position can bear extrusion from external force, the metal connecting sleeve enables the hollow spring piston and external connection to be strengthened, and the problems that the strength of a plastic material is weak and tensile force cannot be borne are solved.
Description
Technical Field
The invention relates to the technical field of air springs, in particular to an enhanced plastic-metal composite air spring piston.
Background
The air suspension system is a necessary system for most middle-high-grade vehicles at present, can improve the driving comfort and can protect roads to a certain extent. The air spring is one of key parts of the system, and in order to ensure the strength requirement of the air spring piston, the air spring piston is processed and manufactured by adopting metal materials such as iron, aluminum and the like at present. The piston made of metal material is complex in processing, involves multiple processes and is heavy in self weight. With the progress of material technology, nylon plastic air spring pistons have gradually become a trend due to simple processing and light weight, but the design thickness of the pistons is thicker due to limited material strength of the pistons, so that the strength is increased. The increase of the thickness leads to the reduction of the volume of the air spring, and further leads to the reduction of the whole air chamber of the air spring to influence the product performance, so that the plastic air spring piston has certain limitation in use.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides an enhanced plastic-metal composite air spring piston.
The invention provides an enhanced plastic metal composite air spring piston, which comprises: the piston comprises a piston body, an inner support ring and a metal connecting sleeve;
the inner support ring and the metal connecting sleeve are arranged at intervals along the axial direction;
the piston body comprises a first connecting part and a second connecting part which are integrally formed, the first connecting part is vulcanized outside the inner support ring, and the second connecting part is vulcanized on the outer wall of the metal connecting sleeve from one side of the metal connecting sleeve close to the inner support ring.
Preferably, the first connecting portion forms a first anti-slip projection arranged around the inner support ring outside the inner support ring.
Preferably, the first connecting portion is provided with a plurality of first anti-slip protrusions, the first anti-slip protrusions extend around the outer portion of the inner support ring, and the plurality of first anti-slip protrusions are sequentially arranged along the axial direction of the inner support ring.
Preferably, the outer wall of the metal connecting sleeve is provided with a second anti-skid bulge.
Preferably, the second anti-slip projection has an annular configuration extending around the metal connecting sleeve.
Preferably, the inner wall of the metal connecting sleeve is provided with internal threads.
Preferably, the piston body is made of plastic.
Preferably, the inner support ring is made of a rigid metal material.
In the invention, the inner support ring and the metal connecting sleeve are arranged at intervals along the axial direction; the piston body comprises a first connecting part and a second connecting part which are integrally formed, the first connecting part is vulcanized outside the inner support ring, and the second connecting part is vulcanized on the outer wall of the metal connecting sleeve from one side of the metal connecting sleeve close to the inner support ring. Through the optimally designed enhanced plastic metal composite air spring piston, the piston body, the inner support ring and the metal connecting sleeve form a whole, so that the problems of sliding, falling and the like caused by vibration are avoided during use, and the stability of the overall performance of the air spring piston is ensured; the inner support ring provides strength support for the hollow spring piston buckling position, the hollow spring piston buckling position can bear extrusion from external force, the metal connecting sleeve enables the hollow spring piston and external connection to be strengthened, and the problems that the strength of a plastic material is weak and tensile force cannot be borne are solved.
Drawings
Fig. 1 is a schematic cross-sectional structure view of an enhanced plastic-metal composite air spring piston according to the present invention.
Detailed Description
As shown in fig. 1, fig. 1 is a schematic cross-sectional structure view of a reinforced plastic-metal composite air spring piston according to the present invention.
Referring to fig. 1, the invention provides an enhanced plastic-metal composite air spring piston, comprising: the piston comprises a piston body 1, an inner support ring 2 and a metal connecting sleeve 3;
the inner support ring 2 and the metal connecting sleeve 3 are arranged at intervals along the axial direction;
the piston body 1 comprises a first connecting part and a second connecting part which are integrally formed, the first connecting part is vulcanized outside the inner support ring 2, and the second connecting part is vulcanized on the outer wall of the metal connecting sleeve 3 from one side of the metal connecting sleeve 3 close to the inner support ring 2.
In the embodiment, the inner support ring and the metal connecting sleeve are axially arranged at intervals; the piston body comprises a first connecting part and a second connecting part which are integrally formed, the first connecting part is vulcanized outside the inner support ring, and the second connecting part is vulcanized on the outer wall of the metal connecting sleeve from one side of the metal connecting sleeve close to the inner support ring. Through the optimally designed enhanced plastic metal composite air spring piston, the piston body, the inner support ring and the metal connecting sleeve form a whole, so that the problems of sliding, falling and the like caused by vibration are avoided during use, and the stability of the overall performance of the air spring piston is ensured; the inner support ring provides strength support for the hollow spring piston buckling position, the hollow spring piston buckling position can bear extrusion from external force, the metal connecting sleeve enables the hollow spring piston and external connection to be strengthened, and the problems that the strength of a plastic material is weak and tensile force cannot be borne are solved.
In a particular embodiment, the connection portion forms, outside the inner support ring 2, a first stud 41 arranged around the inner support ring 2; the friction force of the buckling position of the air spring piston can be increased, so that the air spring piston is matched with the air bag more firmly.
In a further embodiment of the first stud, a plurality of first studs 41 are provided on the first connection portion, the first studs 41 extending around the exterior of the inner support ring 2, and the plurality of first studs 41 being arranged in series axially along the inner support ring 2.
In order to improve the combination reliability of the metal connecting sleeve and the piston body, in other specific arrangement modes, the outer wall of the metal connecting sleeve 3 is provided with a second anti-skid protrusion 42, so that the combination strength of the joint of the metal connecting sleeve and the piston body is increased, and the metal connecting sleeve and the piston body are prevented from relative displacement in use.
In a further embodiment of the second anti-slip projection, the second anti-slip projection 42 has an annular structure extending around the metal connecting sleeve 3.
In other embodiments of the metal connecting sleeve, the inner wall of the metal connecting sleeve 3 is provided with an internal thread, and the metal connecting sleeve is connected with the external member through the internal thread.
In the choice of material for the piston body, the piston body 1 is made of plastic.
In the choice of material for the inner support ring, the inner support ring 2 is made of a rigid metal material.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides an enhancement mode plastic metal compound air spring piston which characterized in that includes: the piston comprises a piston body (1), an inner support ring (2) and a metal connecting sleeve (3);
the inner support ring (2) and the metal connecting sleeve (3) are arranged at intervals along the axial direction;
the piston body (1) comprises a first connecting part and a second connecting part which are integrally formed, the first connecting part is vulcanized outside the inner support ring (2), and the second connecting part is vulcanized on the outer wall of the metal connecting sleeve (3) from one side of the metal connecting sleeve (3) close to the inner support ring (2).
2. A reinforced plastic-metal composite air spring piston according to claim 1, characterized in that the first connecting portion forms a first anti-slip projection (41) arranged around the inner support ring (2) outside the inner support ring (2).
3. A reinforced plastic-metal composite air spring piston according to claim 2, wherein a plurality of first anti-slip protrusions (41) are provided on the first connecting portion, the first anti-slip protrusions (41) extend around the outside of the inner support ring (2), and the plurality of first anti-slip protrusions (41) are arranged in sequence along the axial direction of the inner support ring (2).
4. The reinforced plastic-metal composite air spring piston as claimed in claim 1, wherein the outer wall of the metal connecting sleeve (3) is provided with a second anti-slip protrusion (42).
5. A reinforced plastic-metal composite air spring piston according to claim 4, characterized in that the second anti-slip projection (42) has an annular configuration extending around the metal connecting sleeve (3).
6. The reinforced plastic-metal composite air spring piston as claimed in claim 1, wherein the inner wall of the metal connecting sleeve (3) is provided with internal threads.
7. A reinforced plastic-metal composite air spring piston as claimed in claim 1, wherein the piston body (1) is made of plastic.
8. A reinforced plastic-metal composite air spring piston according to claim 1, wherein the inner support ring (2) is made of a rigid metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911364185.3A CN111043217A (en) | 2019-12-25 | 2019-12-25 | Reinforced plastic metal composite air spring piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911364185.3A CN111043217A (en) | 2019-12-25 | 2019-12-25 | Reinforced plastic metal composite air spring piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111043217A true CN111043217A (en) | 2020-04-21 |
Family
ID=70240087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911364185.3A Pending CN111043217A (en) | 2019-12-25 | 2019-12-25 | Reinforced plastic metal composite air spring piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111043217A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB644766A (en) * | 1948-10-04 | 1950-10-18 | Levitation Ltd | Improvements in or relating to pneumatic suspension struts |
| CN103502027A (en) * | 2011-05-04 | 2014-01-08 | 康蒂泰克空气弹簧系统有限公司 | Rolling piston for an air spring rolling bellows |
| CN203614386U (en) * | 2013-12-29 | 2014-05-28 | 孙永强 | Elastic piston for concrete pump |
| CN104246282A (en) * | 2012-04-18 | 2014-12-24 | 康蒂泰克空气弹簧系统有限公司 | Rolling piston for an air spring rolling bellows |
| CN205118102U (en) * | 2015-12-03 | 2016-03-30 | 嘉兴市标速汽车零部件有限公司 | Novel car gasbag piston |
| CN106989132A (en) * | 2016-01-20 | 2017-07-28 | 威巴克商用车辆气动弹簧有限责任公司 | Air spring |
| CN211574128U (en) * | 2019-12-25 | 2020-09-25 | 安徽拓扑思汽车零部件有限公司 | Reinforced plastic metal composite air spring piston |
-
2019
- 2019-12-25 CN CN201911364185.3A patent/CN111043217A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB644766A (en) * | 1948-10-04 | 1950-10-18 | Levitation Ltd | Improvements in or relating to pneumatic suspension struts |
| CN103502027A (en) * | 2011-05-04 | 2014-01-08 | 康蒂泰克空气弹簧系统有限公司 | Rolling piston for an air spring rolling bellows |
| CN104246282A (en) * | 2012-04-18 | 2014-12-24 | 康蒂泰克空气弹簧系统有限公司 | Rolling piston for an air spring rolling bellows |
| CN203614386U (en) * | 2013-12-29 | 2014-05-28 | 孙永强 | Elastic piston for concrete pump |
| CN205118102U (en) * | 2015-12-03 | 2016-03-30 | 嘉兴市标速汽车零部件有限公司 | Novel car gasbag piston |
| CN106989132A (en) * | 2016-01-20 | 2017-07-28 | 威巴克商用车辆气动弹簧有限责任公司 | Air spring |
| CN211574128U (en) * | 2019-12-25 | 2020-09-25 | 安徽拓扑思汽车零部件有限公司 | Reinforced plastic metal composite air spring piston |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201217 Address after: 230000 no.1588 Tiandu Road, Hefei Economic and Technological Development Zone, Anhui Province Applicant after: Shanghai Baolong automobile technology (Anhui) Co., Ltd Address before: 242300 Qian Qiu Road, Nanshan Park, Ningguo economic and Technological Development Zone, Xuancheng, Anhui Applicant before: ANHUI TUOPUSI AUTO PARTS Co.,Ltd. Applicant before: BAOLONG (ANHUI) AUTO PARTS Co.,Ltd. |
|
| TA01 | Transfer of patent application right |