CN108001138A - High damping leaf springs of car - Google Patents
High damping leaf springs of car Download PDFInfo
- Publication number
- CN108001138A CN108001138A CN201711204376.4A CN201711204376A CN108001138A CN 108001138 A CN108001138 A CN 108001138A CN 201711204376 A CN201711204376 A CN 201711204376A CN 108001138 A CN108001138 A CN 108001138A
- Authority
- CN
- China
- Prior art keywords
- auxiliary spring
- spring piece
- main reed
- reed
- main
- 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
- 238000013016 damping Methods 0.000 title claims abstract description 11
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 94
- 241001101025 Lilaeopsis Species 0.000 claims abstract description 27
- 238000005452 bending Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 230000004044 response Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 244000089486 Phragmites australis subsp australis Species 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- 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
Abstract
The present invention relates to leaf spring technical field,More particularly to high damping leaf springs of car,Including main reed,Auxiliary spring piece,Main reed is made of the reed being superimposed up and down,And reed shortens successively from top to bottom,Auxiliary spring piece includes the upper auxiliary spring piece for being arranged on main reed top,The lower auxiliary spring piece of main reed bottom,Lower auxiliary spring piece middle part and main switch jaw contact,Lower auxiliary spring piece both sides are equipped with gap with main reed,Main reed is equipped with double-deck overwind grasswort,Main reed is positioned with spring clip close to the front end of grasswort and clamped,Main reed is fixed with lower auxiliary spring piece with limited block,Limited block sets the unilateral middle part of main reed,Upper auxiliary spring piece is upward arcuate structure,Upper auxiliary spring piece both sides are equipped with gap with main reed,Upper auxiliary spring leaf length is slightly short with lower auxiliary spring piece,Upper auxiliary spring piece,Main reed,Lower auxiliary spring piece is fixed with bolt,Bolt is arranged in the middle part of main reed,Leaf spring can be unloaded according to vehicle,Heavy duty is made a response,The stationarity in vehicle traveling process can be effectively improved,Service life is grown.
Description
Technical field
The present invention relates to leaf spring technical field, and in particular to high damping leaf springs of car.
Background technology
Leaf springs of car is flexible member most traditional in automobile suspension system, due to its good reliability, simple in structure, manufacture
The advantages that technological process is short, cost is low and structure can greatly simplify, so as to be widely used.Leaf springs of car be usually by
If the alloy spring steel of dry plate Length discrepancy, which is composed one group, is similar to equal strength spring beam, buffering is played in suspension systems and is made
During with, carload, leaf spring stress and deformation slows down body vibrations, leaf spring can occur in deformation it is counter bend, if anti-bow amount is big,
The service life of influence leaf spring extremely, is restriction plate spring anti-bow amount, the methods used are to add rubber in leaf spring front half-end more at present
Glue limited block, when vehicle is fully loaded with or is overloaded, anti-bow amount is big for leaf spring, increase front end limited block to reduce front end anti-bow amount, but
Generally it is also required to spacing to increase its service life in practical application, in the middle part of leaf spring, such front end and middle part are all spacing, and increase makes
Use cost.
The content of the invention
The technical problems to be solved by the invention are in view of the foregoing drawbacks, there is provided high damping leaf springs of car, leaf spring front end are anti-
Bow amount is small, and leaf spring can make a response in unloaded, heavy duty according to vehicle, can effectively improve the stationarity in vehicle traveling process, plate
Spring service life is grown, and substantially reduces use cost.
It is as follows that the present invention solves the technical solution that its technical problem uses：
High damping leaf springs of car, including main reed, auxiliary spring piece, it is characterised in that：The main reed by being superimposed up and down
Reed is formed, and reed shortens successively from top to bottom, and the auxiliary spring piece includes being arranged on the upper auxiliary spring piece on main reed top, sets
The lower auxiliary spring piece in main reed bottom, lower auxiliary spring piece middle part and main switch jaw contact are put, between lower auxiliary spring piece both sides and main reed are equipped with
Gap, main reed are equipped with double-deck overwind grasswort, and main reed is positioned with spring clip close to the front end of grasswort and clamped, and main reed is with
Auxiliary spring piece is fixed with limited block, and limited block sets the unilateral middle part of main reed, and upper auxiliary spring piece is upward arcuate structure, upper auxiliary spring
Piece both sides and main reed are equipped with gap, and upper auxiliary spring leaf length is slightly short and lower auxiliary spring piece, upper auxiliary spring piece, main reed, lower auxiliary spring piece with
Bolt is fixed, and bolt is arranged in the middle part of main reed, the appropriate length for reducing reed, is made among reed to the Distance Shortened control at both ends
Reed processed makes instead to bend in anti-bow to be occurred at the position that the unilateral middle of main reed i.e. limited block is set, before main reed
End is fixed with spring clip, and spring clip also functions to position-limiting action, with reference to limited block, reduces the spacing cost of leaf spring, while also make
The anti-bow amount of leaf spring is controlled, and anti-bow amount is small, improves the service life of leaf spring, and due to auxiliary spring piece both sides and main reed
Between be equipped with gap, main reed is counter bend when, auxiliary spring piece can control the anti-bow amount of main reed, promote anti-bow amount small, due to auxiliary spring
There is gap between piece and main reed, when unloaded, only main reed works, and auxiliary spring piece is in no load state, when fully loaded, main spring
Piece bears fully loaded load together with auxiliary spring piece, can effectively improve the use longevity of the stationarity and automobile in vehicle traveling process
Life.
Further, the spring clip includes U-shaped spring clamp body and chuck, U-shaped spring clamp body openend both ends to
Inner bending, chuck are set in bending place, and the spring clamp body other end is equipped with locking nut, and spring clip fixes to clamp main reed, at the same time
Spring clip plays position-limiting action, and the cost fixed to clamp, and the structure of spring clamp body are reduced relative to limited block before etc.
Holding reed that can be tightly, chuck avoid spring clamp body from directly being contacted with reed, avoid mutual abrasion, and chuck can increase
Contact area, improves the effect of clamping.
Further, the limited block top surface is curved surface, and the limited block with Reasonable Rigidity curved surface can preferably rise
To position-limiting action, promoting reed, anti-bow amount is controlled.
Further, double-deck grasswort includes the outer layer of internal layer and semi-surrounding internal layer, and overwind grasswort will not be because of bending moment
Bending stress is produced, therefore grasswort stress reduces, and adds the reliability of grasswort work, extend leaf springs of car uses the longevity
Life, and the outer layer grasswort of semi-surrounding has internal layer grasswort protective action, improves grasswort service life.
The beneficial effects of the invention are as follows：Using the above scheme, reducing leaf spring front end distance makes leaf spring is counter to bend generation in centre
Clamping position, designs the limited block of Reasonable Rigidity curve at clamping position, and front end is positioned using spring clip, such leaf spring
Anti- bow amount is controlled, and effectively controls anti-bow amount, improves leaf spring service life while reducing front end limited block, front end is with spring
Folder clamps, and assembling is more convenient, reduces use cost, improves production efficiency, empty due to having gap between auxiliary spring piece and main reed
During load, only main reed works, and auxiliary spring piece is in no load state, and when fully loaded, main reed bears to be fully loaded with together with auxiliary spring piece
Load, can effectively improve the service life of the stationarity and automobile in vehicle traveling process.
Brief description of the drawings
By detailed description below in conjunction with the accompanying drawings, the present invention is foregoing will to be become with other objects, features and advantages
Obviously.
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the structure diagram of spring clip of the present invention.
Wherein：1 is main reed, and 2 be lower auxiliary spring piece, and 2.1 be upper auxiliary spring piece, and 3 be spring clip, and 3.1 be spring clamp body, 3.2
It is limited block for chuck, 4.
Embodiment
With reference to the high damping leaf springs of car shown in Fig. 1, including main reed 1, auxiliary spring piece, main reed 1 among auxiliary spring piece with
It is bolted, main reed 1 is made of three reeds being superimposed up and down, and reed shortens successively from top to bottom, and auxiliary spring piece includes setting
Put main 1 top of reed upper auxiliary spring piece 2.1, be arranged on the lower auxiliary spring piece 2 of main 1 bottom of reed, the number of lower auxiliary spring piece 2.1 is
2, lower auxiliary spring piece 2.1 from top to bottom successively decrease by length, and lower auxiliary spring piece 2.1 includes first time auxiliary spring piece, first time auxiliary spring piece bottom
Second time auxiliary spring piece, the middle part of first time auxiliary spring piece contacts with main reed 1, and first time auxiliary spring piece both sides is equipped with main reed 1
Gap, main reed 1 are equipped with double-deck overwind grasswort, and main reed 1 is positioned with spring clip 3 close to the front end of grasswort and clamped, main spring
Piece 1 is fixed with lower auxiliary spring piece 2 with limited block 4, and limited block 4 sets the unilateral middle part of main reed 1, and upper auxiliary spring piece 2.1 is upward
Arcuate structure, upper 2.1 both sides of auxiliary spring piece and main reed 1 are equipped with gap, and upper 2.1 length of auxiliary spring piece is slightly short and first time auxiliary spring piece,
It is double-deck grasswort to have one end in the overwind grasswort of main reed 1, and double-deck grasswort includes the outer layer of internal layer and semi-surrounding internal layer, internal layer
Grasswort forms for the end winding of first main reed 1, i.e., the main reed 1 in the superiors, outer layer grasswort is second main spring
Piece end winding forms, and overwind grasswort will not produce bending stress because of bending moment, therefore grasswort stress reduces, and adds volume
The reliability of ear work, extends the service life of leaf springs of car, and the outer layer grasswort of semi-surrounding have to internal layer grasswort it is anti-
Shield acts on, and improves grasswort service life, and main reed 1 is positioned with spring clip 3 close to the front end of grasswort and clamped, main reed 1 and lower pair
Reed 2 is fixed with limited block 4, and limited block 4 sets the unilateral middle part of main reed 1, is just main reed 1 at main 1 anti-bow of reed herein
Length suitably reduce, make among main reed 1 to the Distance Shortened at both ends to control reed to make anti-bow generation in anti-bow in master
At the position that the unilateral middle, that is, limited block 4 of reed 1 is set, limited block 4 is designed with Reasonable Rigidity curved surface, can preferably rise
To position-limiting action, promoting reed, anti-bow amount is controlled, and since the front end of main reed 1 is fixed with spring clip 3, spring clip 3 also rises
To position-limiting action, with reference to limited block 4, the spacing cost of leaf spring is reduced, while is also controlled the anti-bow amount of leaf spring, anti-bow
Measure small, improve the service life of leaf spring, and due to being equipped with gap between lower 2 both sides of auxiliary spring piece and main reed 1, in main reed 1
During anti-bow, lower auxiliary spring piece 2 can control the anti-bow amount of main reed 1, promote anti-bow amount small, the spring clip 3 with reference to shown in Fig. 2 includes
U-shaped spring clamp body 3.1 and chuck 3.2, the openend inward at both ends 90-degree bent of U-shaped spring clamp body 3.1, chuck 3.2 are set in
Bending place, 3.1 other end of spring clamp body are equipped with locking nut, the holding reed that the structure of spring clamp body 3.1 can be tightly, chuck
3.2 avoid spring clamp body 3.1 from directly being contacted with reed, avoid mutual abrasion, are locked with locking nut, and chuck 3.2 can increase
Add contact area, improve the effect of clamping, when unloaded, only main reed 1 works, and auxiliary spring piece is in no load state, when fully loaded
When, main reed 4 bears fully loaded load together with upper auxiliary spring piece 2.1, lower auxiliary spring piece 2, can effectively improve in vehicle traveling process
Stationarity and automobile service life.
The above, is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is every according to
Any simply modification, the equivalent variations made in technical spirit according to the present invention to above example, each fall within the guarantor of the present invention
Within the scope of shield.
Claims (4)
1. high damping leaf springs of car, including main reed, auxiliary spring piece, it is characterised in that：The main reed is by the spring that is superimposed up and down
Piece is formed, and reed shortens successively from top to bottom, and the auxiliary spring piece includes being arranged on the upper auxiliary spring piece on main reed top, sets
Lower auxiliary spring piece in main reed bottom, lower auxiliary spring piece middle part are equipped with gap with main switch jaw contact, lower auxiliary spring piece both sides with main reed,
Main reed is equipped with double-deck overwind grasswort, and main reed is positioned with spring clip close to the front end of grasswort and clamped, main reed and lower pair
Reed is fixed with limited block, and limited block sets the unilateral middle part of main reed, and upper auxiliary spring piece is upward arcuate structure, upper auxiliary spring piece
Both sides and main reed are equipped with gap, and upper auxiliary spring leaf length is slightly short and lower auxiliary spring piece, and upper auxiliary spring piece, main reed, lower auxiliary spring piece are with spiral shell
Bolt is fixed, and bolt is arranged in the middle part of main reed.
2. high damping leaf springs of car according to claim 1, it is characterised in that：The spring clip includes U-shaped spring
Clamp and chuck, the bending of U-shaped spring clamp body openend inward at both ends, chuck are set in bending place, and the spring clamp body other end is equipped with
Locking nut.
3. high damping leaf springs of car according to claim 1, it is characterised in that：The limited block top surface is curved surface.
4. high damping leaf springs of car according to claim 1, it is characterised in that：Double-deck grasswort is included in internal layer and semi-surrounding
The outer layer of layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711204376.4A CN108001138A (en) | 2017-11-27 | 2017-11-27 | High damping leaf springs of car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711204376.4A CN108001138A (en) | 2017-11-27 | 2017-11-27 | High damping leaf springs of car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108001138A true CN108001138A (en) | 2018-05-08 |
Family
ID=62054068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711204376.4A Pending CN108001138A (en) | 2017-11-27 | 2017-11-27 | High damping leaf springs of car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108001138A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR555301A (en) * | 1922-08-22 | 1923-06-28 | Development of leaf springs for vehicle suspension | |
| US3541605A (en) * | 1967-11-08 | 1970-11-17 | Steffen Mohl | Progressive leaf spring assembly |
| CN102094921A (en) * | 2009-12-09 | 2011-06-15 | 湖南易通汽车配件科技发展有限公司 | Leaf spring with gradually-varied rigidity |
| CN202032027U (en) * | 2011-03-31 | 2011-11-09 | 湖南易通汽车配件科技发展有限公司 | Three-level variable stiffness steel plate spring |
| CN102667219A (en) * | 2009-10-26 | 2012-09-12 | 雷诺索尔公司 | Composite leaf spring |
| CN202707890U (en) * | 2012-01-12 | 2013-01-30 | 河南隆鑫机车有限公司 | Tricycle variable cross-section plate spring structure |
| CN202911494U (en) * | 2012-10-22 | 2013-05-01 | 山东省文登市双力板簧有限公司 | Light truck plate spring |
| CN203548674U (en) * | 2013-11-22 | 2014-04-16 | 河南隆鑫机车有限公司 | Nonlinear variable-cross-section plate spring structure |
| CN204226523U (en) * | 2014-11-13 | 2015-03-25 | 安徽江淮汽车股份有限公司 | A kind of steel plate spring assembly of MPV car and automobile |
| CN204704301U (en) * | 2015-05-29 | 2015-10-14 | 福建蓝海汽车技术有限公司 | A kind of suspension leaf spring assembly of small passenger car |
| CN106515335A (en) * | 2016-11-18 | 2017-03-22 | 安徽江淮汽车集团股份有限公司 | RBA leaf spring assembly and automobile comprising same |
| CN206374487U (en) * | 2016-12-26 | 2017-08-04 | 江苏宗申车业有限公司 | High load-bearing rear suspension system |
-
2017
- 2017-11-27 CN CN201711204376.4A patent/CN108001138A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR555301A (en) * | 1922-08-22 | 1923-06-28 | Development of leaf springs for vehicle suspension | |
| US3541605A (en) * | 1967-11-08 | 1970-11-17 | Steffen Mohl | Progressive leaf spring assembly |
| CN102667219A (en) * | 2009-10-26 | 2012-09-12 | 雷诺索尔公司 | Composite leaf spring |
| CN102094921A (en) * | 2009-12-09 | 2011-06-15 | 湖南易通汽车配件科技发展有限公司 | Leaf spring with gradually-varied rigidity |
| CN202032027U (en) * | 2011-03-31 | 2011-11-09 | 湖南易通汽车配件科技发展有限公司 | Three-level variable stiffness steel plate spring |
| CN202707890U (en) * | 2012-01-12 | 2013-01-30 | 河南隆鑫机车有限公司 | Tricycle variable cross-section plate spring structure |
| CN202911494U (en) * | 2012-10-22 | 2013-05-01 | 山东省文登市双力板簧有限公司 | Light truck plate spring |
| CN203548674U (en) * | 2013-11-22 | 2014-04-16 | 河南隆鑫机车有限公司 | Nonlinear variable-cross-section plate spring structure |
| CN204226523U (en) * | 2014-11-13 | 2015-03-25 | 安徽江淮汽车股份有限公司 | A kind of steel plate spring assembly of MPV car and automobile |
| CN204704301U (en) * | 2015-05-29 | 2015-10-14 | 福建蓝海汽车技术有限公司 | A kind of suspension leaf spring assembly of small passenger car |
| CN106515335A (en) * | 2016-11-18 | 2017-03-22 | 安徽江淮汽车集团股份有限公司 | RBA leaf spring assembly and automobile comprising same |
| CN206374487U (en) * | 2016-12-26 | 2017-08-04 | 江苏宗申车业有限公司 | High load-bearing rear suspension system |
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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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180508 |
|
| WD01 | Invention patent application deemed withdrawn after publication |