CN109606045A - Three pieces spring structure and automobile - Google Patents
Three pieces spring structure and automobile Download PDFInfo
- Publication number
- CN109606045A CN109606045A CN201811556267.3A CN201811556267A CN109606045A CN 109606045 A CN109606045 A CN 109606045A CN 201811556267 A CN201811556267 A CN 201811556267A CN 109606045 A CN109606045 A CN 109606045A
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- Prior art keywords
- leaf spring
- spring
- pieces
- leaf
- connecting plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/02—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a kind of three pieces spring structure and automobiles, are related to automobile suspension system technical field.A kind of three pieces spring structure includes three leaf spring main bodys.Three leaf spring main bodys include the first leaf spring, the second leaf spring and third leaf spring, and the second leaf spring is folded between the first leaf spring and third leaf spring, and the thickness of the first leaf spring, the second leaf spring and third leaf spring is gradually reduced from centre to both sides.This three pieces spring structure is by forming three leaf spring main bodys using the first leaf spring, the second leaf spring and third leaf spring, reduce the quantity of leaf spring compared with the existing technology, alleviate the weight of suspension system, reduce the whole rigidity of three pieces spring structure, so as to improve offset frequency characteristic, the damping performance of vehicle is improved.And, increase the bending resistance of three pieces spring structure, antitorque characteristic by designing the variable cross-section of the first leaf spring, the second leaf spring and third leaf spring, reach preferable anti seismic efficiency, while three pieces spring structure also being made integrally to be provided with superior offset frequency characteristic, improves its damping performance.
Description
Technical field
The present invention relates to automobile suspension system technical fields, in particular to a kind of three pieces spring structure and automobile.
Background technique
Currently, automobile-used suspension system generallys use multi-disc spring structure.Under normal circumstances, in order to prevent leaf spring because vibrate not
Can by it is curved, turned round and destroyed, leaf spring quantity is typically larger than three pieces, and which substantially increases the integral strengths of multiple-leaf spring.
But since the leaf spring quantity of multi-disc spring structure is more, on the one hand increase the weight of suspension system, on the other hand
The offset frequency characteristic of multiple-leaf spring is undesirable, influences the smooth performance of vehicle, and therefore, multi-disc spring structure gives vehicle bring damping performance
It is not especially desirable.
Summary of the invention
The purpose of the present invention is to provide a kind of three pieces spring structures, can have good damping property while loss of weight
Energy.
Another object of the present invention is to provide a kind of automobiles, have above-mentioned three pieces spring structure.
The embodiment of the present invention is achieved in that
A kind of three pieces spring structure, including three leaf spring main bodys, the three leaf springs main body include the first leaf spring, the second leaf spring and the
Three leaf springs, second leaf spring are folded between first leaf spring and the third leaf spring, first leaf spring, described second
The thickness of leaf spring and the third leaf spring is gradually reduced from centre to both sides.
Optionally, first leaf spring includes middle part and end, and the end is located at the both ends of first leaf spring, institute
Middle part is stated between two ends, the middle part with a thickness of 3mm~4mm, the end with a thickness of 2.5mm
~3.5mm.
Optionally, the three pieces spring structure further includes connecting plate, and one end of the connecting plate is fixedly connected on described first
Leaf spring deviates from the side of second leaf spring, and the other end of the connecting plate with vehicle frame for connecting.
Optionally, the connecting plate successively includes interconnecting piece, transition part and grasswort, the interconnecting piece and first leaf spring
It is fixedly connected, the transition part is obliquely installed relative to the interconnecting piece, and is extended to the side away from first leaf spring, institute
It states grasswort and is set to the one end of the transition part far from the interconnecting piece.
Optionally, the three pieces spring structure further includes link block, and the link block is located in first leaf spring and described
Between connecting plate, the connecting plate is connect by the link block with first leaf spring.
Optionally, the three leaf springs main body further include damping rubber mat, the damping rubber mat be located in first leaf spring with
Between second leaf spring and/or the damping rubber mat is located between second leaf spring and the third leaf spring.
Optionally, the both ends of the third leaf spring are respectively arranged with the first lifting lug and the second lifting lug, second leaf spring
One end is provided with third lifting lug, and the third lifting lug turnup is coated on the first lifting lug.
Optionally, first leaf spring, second leaf spring and the third leaf spring are having the same along its length curved
Curvature, and make the entirety of the three leaf springs main body in arc type structure.
Optionally, the three leaf springs main body further includes fastener, and the fastener is arranged in first leaf spring, described
Two leaf springs and the third leaf spring, and the fastener is arranged in the geometric center of the three leaf springs main body.
A kind of automobile, including U-bolt and above-mentioned three pieces spring structure, the U-bolt is sheathed on the three leaf springs knot
Structure, and for clamping the first leaf spring, the second leaf spring and third leaf spring.
Compared with prior art, the beneficial effect of the embodiment of the present invention includes, for example:
This three pieces spring structure by forming three leaf spring main bodys using the first leaf spring, the second leaf spring and third leaf spring, relative to
The prior art reduces the quantity of leaf spring, alleviates the weight of suspension system, reduces the whole rigidity of three pieces spring structure, from
And offset frequency characteristic is improved, improve the damping performance of vehicle；
Moreover, by the way that the variable cross-section design of the first leaf spring, the second leaf spring and third leaf spring is increased three pieces spring structure
Bending resistance, antitorque characteristic, reach preferable anti seismic efficiency, while three pieces spring structure also being made integrally to be provided with superior offset frequency characteristic,
Improve its damping performance.
This automobile using above-mentioned three pieces spring structure due to being applied in suspension system, with above-mentioned all technology effects
Fruit can make automobile have good anti-seismic performance, improve the smooth performance of vehicle, seating is more comfortable, and user experience is more preferable.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram for the three pieces spring structure that the embodiment of the present invention 1 provides；
Fig. 2 is the structural schematic diagram of the second leaf spring in Fig. 1；
Fig. 3 is the structural schematic diagram of third leaf spring in Fig. 1；
Fig. 4 is the structural schematic diagram of connecting plate in Fig. 1；
Fig. 5 is the application scenarios structural schematic diagram for the three pieces spring structure that the embodiment of the present invention 2 provides.
Icon: 100- three pieces spring structure；Tri- leaf spring main body of 01-；The first leaf spring of 11-；111- middle part；The end 112-；13-
Second leaf spring；15- third leaf spring；16- damps rubber mat；The first lifting lug of 17-；The second lifting lug of 18-；19- third lifting lug；02- connection
Block；03- connecting plate；31- interconnecting piece；32- transition part；33- grasswort；04- fastener；05-U type bolt.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that if occur term " center ", "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings,
Either the invention product using when the orientation or positional relationship usually put, be merely for convenience of the description present invention and simplification retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
In addition, being only used for distinguishing description if there is term " first ", " second ", " third " etc., and should not be understood as indicating
Or imply relative importance.
In addition, being not offered as requiring component abswolute level or outstanding if there are the terms such as term "horizontal", "vertical", " pendency "
It hangs down, but can be slightly tilted.It is not to indicate to be somebody's turn to do if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
Structure is had to fully horizontally, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, if there is term
" setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachably connect
It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
Embodiment 1
Please refer to the structural schematic diagram of three pieces spring structure 100 shown in FIG. 1.The present embodiment 1 provides a kind of three leaf spring knots
Structure 100.
A kind of three pieces spring structure 100, including three leaf spring main bodys 01.Three leaf spring main bodys 01 include the first leaf spring 11, the second plate
Spring 13 and third leaf spring 15, the second leaf spring 13 are folded between the first leaf spring 11 and third leaf spring 15.First leaf spring 11, the second plate
Spring 13 and third leaf spring 15 are bonded to each other to form three leaf spring main bodys 01.
The thickness of first leaf spring 11, the second leaf spring 13 and third leaf spring 15 is gradually reduced from centre to both sides.
Three pieces spring structure 100 in the present embodiment is by utilizing 15 shape of the first leaf spring 11, the second leaf spring 13 and third leaf spring
At three leaf spring main bodys 01, reduce the quantity of leaf spring compared with the existing technology, alleviates the weight of suspension system, reduce three pieces
The whole rigidity of spring structure 100 improves the damping performance of vehicle so as to improve offset frequency characteristic.
Moreover, by the way that the variable cross-section design of the first leaf spring 11, the second leaf spring 13 and third leaf spring 15 is increased by three leaf springs
The bending resistance of structure 100, antitorque characteristic, reach preferable anti seismic efficiency, while it is superior to be provided with three pieces spring structure 100 integrally
Offset frequency characteristic, improve its damping performance.
It should be noted that the leaf spring thickness of three leaf spring main bodys 01 designs as needed, to meet three pieces spring structure 100
Subject to Seismic Design Requirements.
In an embodiment of the present embodiment, the first leaf spring 11 includes middle part 111 and end 112, end 112
In the both ends of the first leaf spring 11, middle part 111 is located between two ends 112, middle part 111 with a thickness of 3mm~4mm, end
Portion 112 with a thickness of 2.5mm~3.5mm.
In the present embodiment, the thickness of the first leaf spring 11 is seamlessly transitted from centre to both sides, and the thickness of the first leaf spring 11 is reduced
Value is 0.5mm.
It is understood that the structure in the first leaf spring 11, the second leaf spring 13 and third leaf spring 15 is substantially uniform.Second plate
Spring 13 and third leaf spring 15 also have middle part 111 and end 112.15 middle part 111 of second leaf spring 13 and third leaf spring
Thickness is seamlessly transitted between 3mm~4mm from middle part 111 to the end 112 on both sides, the thickness reduced value of each leaf spring
Be 0.5mm, i.e., the thickness of 15 end 112 of thickness and third leaf spring of the end 112 of the second leaf spring 13 2.5mm~
Between 3.5mm.
The thick bottom of first leaf spring 11, the second leaf spring 13 and third leaf spring 15 is gradually decreased from centre to both ends, and
Even transition.On the one hand, variable cross-section design the first leaf spring 11,
Second leaf spring 13 and third leaf spring 15 have better bending resistance, antitorque characteristic, reach preferable anti seismic efficiency.Separately
The design of plate spring structure as one side, makes three pieces spring structure 100 have superior offset frequency characteristic, can be by frequency translation to 1Hz
In the range of~2Hz, its damping performance is improved, meets NVH (noise, vibration and comfort) performance of commercial vehicle.
Moreover, the suspension offset frequency of multi-disc spring structure in the prior art is 3~4Hz, the excitation on tire and ground is in 30km/
Under the speed of h, generation resonance can be coupled with the frequency in original structure suspension offset frequency.And the three pieces spring structure 100 in the present embodiment
Rigidity Design is reduced to 160N/mm from 180N/mm, and suspension offset frequency is 1Hz~2Hz, and offset frequency characteristic is greatly improved,
Meet the requirement of rigidity Design.
Rigid contact between middle leaf spring to avoid three leaf spring main bodys 01 improves the anti-seismic performance of three pieces spring structure 100,
Setting damping rubber mat 16, is isolated between first leaf spring 11 and the second leaf spring 13.It is understood that in 13 He of the second leaf spring
Also damping rubber mat 16 can be set between third leaf spring 15, be isolated.
Damping rubber mat 16 set-up mode can be directly be compressed between the first leaf spring 11 and the second leaf spring 13 and
Between second leaf spring 13 and third leaf spring 15.It is also possible to be bonded between the first leaf spring 11 and the second leaf spring 13 and the second plate
Between spring 13 and third leaf spring 15.Alternatively, can also be by bolt be set between the first leaf spring 11 and the second leaf spring 13 with
And second between leaf spring 13 and third leaf spring 15, here without limitation.
First leaf spring 11, the second leaf spring 13 and third leaf spring 15 84 bending curvature having the same along its length, and make
The entirety of three leaf spring main bodys 01 is in arc type structure.
First leaf spring 11, the second leaf spring 13 and third leaf spring 15 are bonded to each other, the first leaf spring 11, the second leaf spring 13 and
Curving of the third leaf spring 15 simultaneously towards third leaf spring 15 far from the second leaf spring 13 forms three leaf spring main bodys 01 certain
Arc.In three leaf spring main bodys 01 of arc type structure, can damping vibration, improve damping performance.
Fig. 2 is the specific structure of the second leaf spring 13 in Fig. 1.It is offered at the geometric center of second leaf spring, 13 plate face for fastening
The threaded hole that part 04 passes through.The both ends of second leaf spring 13 are respectively first end and the second end, first end or the second end
Extend and turnup forms third lifting lug 19.
Please refer to 15 specific structure of third leaf spring of Fig. 3.It is also offered at the geometric center of 15 plate face of third leaf spring for tight
The threaded hole that firmware 04 passes through.Third leaf spring 15 extends close to the end 112 of the first end of the second leaf spring 13 and turnup forms the
One lifting lug 17.As shown in Figure 1, the first lifting lug 17 on third leaf spring 15 is coated by the third lifting lug 19 on the second leaf spring 13.
Third lifting lug 19 on second leaf spring 13 is with the first lifting lug 17 on third leaf spring 15 for connecting simultaneously with vehicle frame.So can
Increase the bonding strength of lifting lug, so that connection is more firm.
Third leaf spring 15 extends far from one end of the first lifting lug 17 and turnup forms the second lifting lug 18.Second lifting lug 18 is used for
It is connect with the vehicle frame of automobile.
Fig. 4 is the structural schematic diagram of connecting plate 03 in Fig. 1, please refers to Fig. 1 and Fig. 4.Three pieces spring structure 100 further includes connection
Plate 03, one end of connecting plate 03 are fixedly connected on the side that the first leaf spring 11 deviates from the second leaf spring 13, the other end of connecting plate 03
For being connect with vehicle frame.
Connecting plate 03 successively includes interconnecting piece 31, transition part 32 and grasswort 33, and interconnecting piece 31 and the first leaf spring 11, which are fixed, to be connected
It connects.Transition part 32 is obliquely installed relative to interconnecting piece 31, and to away from the first leaf spring 11 side extend, transition part 32 with connect
There is certain angle between portion 31, damping can be played the role of, reduce the vibration being transmitted in three leaf spring main bodys 01.
Grasswort 33 is set to the one end of transition part 32 far from interconnecting piece 31.Optionally, transition part 32 is far from interconnecting piece 31
One end forms grasswort 33 towards the side turnup far from three leaf spring main bodys 01.Connecting plate 03 is connect by grasswort 33 with vehicle frame.
Three pieces spring structure 100 further includes link block 02, and link block 02 is located between the first leaf spring 11 and connecting plate 03, even
Fishplate bar 03 is connect by link block 02 with the first leaf spring 11.Optionally, on 01 length direction of link block 02 and three leaf spring main bodys
Geometric center is corresponding.
Connecting plate 03 is isolated with three leaf spring main bodys 01 by setting link block 02, avoids direct contact between the two,
The effect of damping, buffering can be further functioned as.
Three leaf spring main bodys 01 further include fastener 04, and fastener 04 is arranged in the first leaf spring 11, the second leaf spring 13 and third
Leaf spring 15, and fastener 04 is arranged in the geometric center of three leaf spring main bodys 01.
Optionally, fastener 04 is center bolt, and centre bolt is set at the geometric center of three leaf spring main bodys 01, and
Centre bolt runs through three leaf spring main bodys 01, by building block the first leaf spring 11 of three leaf spring main bodys 01, the second leaf spring 13 and the
Three leaf springs 15 are fixed together.Meanwhile fastener 04 may also extend through link block 02 and connecting plate 03, by 02 He of link block
Connecting plate 03 and three leaf spring main bodys 01 link together.
And 100 rigidity Design of three pieces spring structure in the present embodiment is reduced to 160N/mm, and suspension offset frequency from 180N/mm
For 1Hz~2Hz, offset frequency characteristic is greatly improved, and also meets the requirement of rigidity Design.
In addition, since automobile installs the three pieces spring structure 100, the rigidity of three pieces spring structure 100 is low, and three pieces spring structure
100 suspension offset frequency frequency is small, is easy the excitation on filtering road surface, so that vibrational energy is dissipated more, is transferred to the vibrational energy of vehicle frame
Amount is reduced, and vehicle shows excellent damping performance.
Embodiment 2
Fig. 5 is the application scenarios structural schematic diagram for the three pieces spring structure 100 that the embodiment of the present invention 2 provides.
A kind of automobile is provided in the present embodiment, and the suspension system in the automobile uses above-mentioned three pieces spring structure
100。
Automobile in the present embodiment includes 05 bolt of U-bolt and above-mentioned three pieces spring structure 100, and 05 bolt of U-bolt is arranged
In three pieces spring structure 100, and for clamping the first leaf spring 11, the second leaf spring 13 and third leaf spring 15.
Optionally, in the another embodiment of the present embodiment, 05 bolt of U-bolt is sheathed on three leaf spring main bodys 01, connects
Connect block 02 and connecting plate 03.Three leaf spring main bodys 01, link block 02 and connecting plate 03 are fixed together by U-bolt 05, and U
Three leaf spring main bodys 01, link block 02 and connecting plate 03 are set in the vehicle bridge of automobile by type bolt 05.
In order to ensure three leaf spring main bodys 01, link block 02 and connecting plate 03 can be stable the vehicle bridge for being set to automobile
On, the quantity of U-bolt 05 can be at least two, do not set the upper limit, according to the actual situation come be arranged the quantity of U-bolt 05 with
And position.Preferably, in the present embodiment, U-bolt 05 is two, and interval is set in three leaf spring main bodys 01.
Automobile in the present embodiment, due to using the three pieces spring structure 100 in embodiment 1, multi-disc compared with the existing technology
The rigidity 180N/mm of spring structure, the Stiffness Drop of the three pieces spring structure 100 in the present embodiment meet rigidity and set down to 160N/mm
The requirement of meter.Moreover, the suspension offset frequency of the multi-disc spring structure in compared with the existing technology is 3~4Hz, the offset frequency of suspension is reduced
To 1Hz~2Hz, offset frequency characteristic is greatly improved, and is easy the excitation on filtering road surface, so that vibrational energy is dissipated more, transmitting
Vibrational energy to vehicle frame is reduced, and vehicle shows excellent damping performance.
It should be noted that in the absence of conflict, the feature in embodiment in the present invention can be combined with each other.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of three pieces spring structure, which is characterized in that including three leaf spring main bodys, the three leaf springs main body includes the first leaf spring, the
Two leaf springs and third leaf spring, second leaf spring are folded between first leaf spring and the third leaf spring, first plate
The thickness of spring, second leaf spring and the third leaf spring is gradually reduced from centre to both sides.
2. three pieces spring structure according to claim 1, which is characterized in that first leaf spring includes middle part and end,
The end is located at the both ends of first leaf spring, and the middle part is located between two ends, the thickness of the middle part
Degree be 3mm~4mm, the end with a thickness of 2.5mm~3.5mm.
3. three pieces spring structure according to claim 1, which is characterized in that the three pieces spring structure further includes connecting plate, institute
The one end for stating connecting plate is fixedly connected on the side that first leaf spring deviates from second leaf spring, the other end of the connecting plate
For being connect with vehicle frame.
4. three pieces spring structure according to claim 3, which is characterized in that the connecting plate successively includes interconnecting piece, transition
Portion and grasswort, the interconnecting piece are fixedly connected with first leaf spring, and the transition part is obliquely installed relative to the interconnecting piece,
And extend to the side away from first leaf spring, the grasswort is set to the one end of the transition part far from the interconnecting piece.
5. three pieces spring structure according to claim 3, which is characterized in that the three pieces spring structure further includes link block, institute
It states link block to be located between first leaf spring and the connecting plate, the connecting plate passes through the link block and described first
Leaf spring connection.
6. three pieces spring structure according to claim 1, which is characterized in that the three leaf springs main body further includes damping rubber mat,
The damping rubber mat is located between first leaf spring and second leaf spring and/or the damping rubber mat be located in it is described
Between second leaf spring and the third leaf spring.
7. three pieces spring structure according to claim 1, which is characterized in that the both ends of the third leaf spring are respectively arranged with
One lifting lug and the second lifting lug, one end of second leaf spring are provided with third lifting lug, and the third lifting lug turnup is coated on first
Lifting lug.
8. three pieces spring structure according to claim 1, which is characterized in that first leaf spring, second leaf spring and institute
Third leaf spring bending curvature having the same along its length is stated, and makes the entirety of the three leaf springs main body in arc type structure.
9. three pieces spring structure according to claim 1, which is characterized in that the three leaf springs main body further includes fastener, institute
State fastener and be arranged in first leaf spring, second leaf spring and the third leaf spring, and the fastener be arranged in it is described
The geometric center of three leaf spring main bodys.
10. a kind of automobile, which is characterized in that including U-bolt and the described in any item three pieces spring structures of claim 1-9, institute
It states U-bolt and is sheathed on the three pieces spring structure, and for clamping the first leaf spring, the second leaf spring and third leaf spring.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556267.3A CN109606045A (en) | 2018-12-19 | 2018-12-19 | Three pieces spring structure and automobile |
| AU2019100158A AU2019100158A4 (en) | 2018-12-19 | 2019-02-14 | Three-leaf spring structure and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556267.3A CN109606045A (en) | 2018-12-19 | 2018-12-19 | Three pieces spring structure and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109606045A true CN109606045A (en) | 2019-04-12 |
Family
ID=65679007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811556267.3A Pending CN109606045A (en) | 2018-12-19 | 2018-12-19 | Three pieces spring structure and automobile |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109606045A (en) |
| AU (1) | AU2019100158A4 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114013234A (en) * | 2021-11-05 | 2022-02-08 | 金华和美休闲用品有限公司 | Leaf spring structure of double-axle vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3968958A (en) * | 1972-11-30 | 1976-07-13 | Edgewater Corporation | Composite material springs and manufacture |
| CN103386869A (en) * | 2013-08-13 | 2013-11-13 | 徐州重型机械有限公司 | Suspension damping structure for engineering vehicles |
| CN204451900U (en) * | 2015-02-16 | 2015-07-08 | 东风（十堰）汽车钢板弹簧有限公司 | Steel spring assembly before automobile major-minor formula |
| KR20170031280A (en) * | 2015-09-10 | 2017-03-21 | 재단법인 한국탄소융합기술원 | Method for manufacturing carbon composite leap spring and the carbon composite leap spring manufactured by the same method |
| CN207225005U (en) * | 2017-07-31 | 2018-04-13 | 深圳市沃特玛电池有限公司 | A kind of body frame structure for automotive |
-
2018
- 2018-12-19 CN CN201811556267.3A patent/CN109606045A/en active Pending
-
2019
- 2019-02-14 AU AU2019100158A patent/AU2019100158A4/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3968958A (en) * | 1972-11-30 | 1976-07-13 | Edgewater Corporation | Composite material springs and manufacture |
| CN103386869A (en) * | 2013-08-13 | 2013-11-13 | 徐州重型机械有限公司 | Suspension damping structure for engineering vehicles |
| CN204451900U (en) * | 2015-02-16 | 2015-07-08 | 东风（十堰）汽车钢板弹簧有限公司 | Steel spring assembly before automobile major-minor formula |
| KR20170031280A (en) * | 2015-09-10 | 2017-03-21 | 재단법인 한국탄소융합기술원 | Method for manufacturing carbon composite leap spring and the carbon composite leap spring manufactured by the same method |
| CN207225005U (en) * | 2017-07-31 | 2018-04-13 | 深圳市沃特玛电池有限公司 | A kind of body frame structure for automotive |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114013234A (en) * | 2021-11-05 | 2022-02-08 | 金华和美休闲用品有限公司 | Leaf spring structure of double-axle vehicle |
| CN114013234B (en) * | 2021-11-05 | 2023-11-17 | 金华和美休闲用品有限公司 | Plate spring structure of double-axle vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2019100158A4 (en) | 2019-03-14 |
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Application publication date: 20190412 |
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| RJ01 | Rejection of invention patent application after publication |