CN202413330U - Gradually changing plate spring - Google Patents
Gradually changing plate spring Download PDFInfo
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- CN202413330U CN202413330U CN2011204996899U CN201120499689U CN202413330U CN 202413330 U CN202413330 U CN 202413330U CN 2011204996899 U CN2011204996899 U CN 2011204996899U CN 201120499689 U CN201120499689 U CN 201120499689U CN 202413330 U CN202413330 U CN 202413330U
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- spring plate
- carrier
- spring
- carrier spring
- plate
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Abstract
The utility model provides a gradually changing plate spring, which comprises a first main spring piece, a second main spring piece, a first auxiliary spring piece and a clamping hoop. The first main spring piece, the second main spring piece and the first auxiliary spring piece are arranged sequentially in stacking mode and connected with one another. The thickness of the first main spring piece, the second main spring piece and the first auxiliary spring piece reduces gradually from the middle portion to two ends, the clamping hoop is connected with the second main spring piece and clamped with the first main spring piece and the second main spring piece. The gradually changing plate spring is reasonable in structure and good in safety.
Description
Technical field
The utility model relates to a kind of steel spring, relates in particular to a kind of gradual change type steel spring that is used for automobile.
Background technology
Steel spring is an elastic element important on the automobile, and usually in the prior art, steel spring can be provided with a plurality of uniform cross section spring leafs.See also Fig. 1, steel spring 10 comprises first spring leaf 11, second spring leaf 12, the 3rd spring leaf 13, the 4th spring leaf 14 and the 5th spring leaf 15.Wherein, the end of first spring leaf 11 twists and is grasswort, and is connected with vehicle body through rubber bush.First spring leaf 11, second spring leaf 12, the 3rd spring leaf 13 use folder hoop 17 to be fixed together near the end, and folder hoop 17 adopts U type open design, and the top bending is partly sealed first spring leaf 11, second spring leaf 12, the 3rd spring captive joint.First spring leaf 11, second spring leaf 12, the 3rd spring leaf 13, the 4th spring leaf 14 and the 5th spring leaf 15 link together through bolt, and each spring leaf adopts uniform cross section design, and on car load, adopts symmetric arrangement.But existing steel spring 10 has following shortcoming: 1) a plurality of spring leafs are set, are prone to friction between the spring leaf, cause steel spring 10 to send abnormal sound.2) each spring leaf is the uniform cross section structure, and total weight is big, is unfavorable for lightweight, and the driving ride comfort is relatively poor.3) adopt prismatic spring leaf to be not easy to the suspension behavior debugging, suspension inclination performance is relatively poor with the braking ride comfort.Traveling comfort and reliability can not be taken into account often.4) folder hoop 17 adopts U type open design, and the top bending is partly sealed, and is yielding in the use, causes each reed dislocation.
The utility model content
In order to overcome the deficiency of above-mentioned prior art; The utility model provides a kind of gradual change type steel spring; Comprise first carrier spring plate, second carrier spring plate, the first auxiliary spring sheet and folder hoop; Said first carrier spring plate, said second carrier spring plate, the said first auxiliary spring sheet are cascading and interconnect; The thickness of said first carrier spring plate, second carrier spring plate and the first auxiliary spring sheet progressively reduces to two ends from the middle part, and said folder hoop is connected in said second carrier spring plate and said first carrier spring plate of clamping and second carrier spring plate.
Further being improved to of the utility model; The end of said first carrier spring plate is provided with towards the first crooked and closed grasswort of said first carrier spring plate; The end of said second carrier spring plate is provided with towards the second crooked grasswort of said second carrier spring plate, and the crooked radian of first grasswort of said first carrier spring plate is less than the crooked radian of second grasswort of said second carrier spring plate.
Further being improved to of the utility model, said gradual change type steel spring also is provided with metallic gasket, and said pad is arranged between the said first main reed and the said second main reed.
Further being improved to of the utility model, said gradual change type steel spring also is provided with liner, and said liner is connected in the end of the said first auxiliary spring sheet, and said liner is arranged at the first auxiliary spring sheet towards said first carrier spring plate, one side.
Further being improved to of the utility model, said gradual change type steel spring also is provided with polysulphide rubbers, and said polysulphide rubbers is arranged between said folder hoop and said first carrier spring plate and said second carrier spring plate.
Compared to prior art, the gradual change type steel spring of the utility model is provided with first carrier spring plate, second carrier spring plate and the first auxiliary spring sheet.First carrier spring plate, second carrier spring plate and the first auxiliary spring sheet all adopt variable section design, compared to prior art, when reaching same load-carrying capacity, adopt less number of spring leaf, and have reduced the weight of material requested.When overall load increased to a certain degree, the first auxiliary spring sheet just began second carrier spring plate of fitting.The rigidity of gradual change type steel spring will increase and increase with load, and suspension offset frequency rangeability is less, and travelling comfort is more excellent.Make between first carrier spring plate, second carrier spring plate and leave enough gaps through pad is set, at utmost avoid the abnormal sound that rubs, also can reduce contact fatigue simultaneously.Compared to traditional each sheet of uniform cross section structure leaf spring half long l is only arranged, the wide b of plate, thickness of slab h, 3 parameters are used to regulate traveling comfort and reliability; This patent structure then has l, b, h
1, h
2, l
1, l
26 dimensional parameters, the easy demand that satisfies traveling comfort and reliability simultaneously.The end of the first auxiliary spring sheet is installed liner, prevents that the end of the first auxiliary spring sheet from patting second carrier spring plate generation abnormal sound.First grasswort is full bag, and second grasswort is half bag, and under the extreme case of first grasswort fracture, automobile hind axle still can link to each other with vehicle body through second grasswort, guarantees safety.Main spring folder hoop open end all adopts bolt, tightens, and can prevent distortion of folder hoop and reed dislocation; Folder hoop and parking brake adapter plate both sides polysulphide rubbers are eliminated the friction between folder hoop and the reed.
Description of drawings
Fig. 1 is the structural representation of the utility model steel spring of the prior art.
Fig. 2 is the structural representation of the utility model gradual change type steel spring.
Fig. 3 is the local enlarged diagram of the utility model gradual change type steel spring shown in Figure 1.
Fig. 4 is the structural representation of the utility model folder hoop.
Fig. 5 is the structural representation of the utility model parking brake adapter plate.
Fig. 6 is the adjustable parameter scheme drawing of each reed in the prior art
Fig. 7 is the adjustable parameter scheme drawing of each reed of the utility model.
The specific embodiment
Below in conjunction with the description of drawings and the specific embodiment the utility model is further specified.
See also Fig. 2 to Fig. 5, the utility model provides a kind of gradual change type steel spring 20, comprises first carrier spring plate 21, second carrier spring plate 22, the first auxiliary spring sheet 23, metallic gasket 24, liner 25, folder hoop 26, bolt 27.
First carrier spring plate 21, second carrier spring plate 22, the first auxiliary spring sheet 23 are cascading, and the middle part of first carrier spring plate 21, second carrier spring plate 22, the first auxiliary spring sheet 23 interconnects.First carrier spring plate 21, second carrier spring plate 22 and the first auxiliary spring sheet 23 are the bar shaped sheet.The thickness of said first carrier spring plate 21, second carrier spring plate 22 and the first auxiliary spring sheet 23 progressively reduces to two ends from the middle part.
The end of first carrier spring plate 21 is provided with towards first carrier spring plate, the 21 crooked first also closed grassworts 211.The end of second carrier spring plate 22 is provided with second grasswort 221 towards 22 bendings of second carrier spring plate.First grasswort 211 of first carrier spring plate 21 is full bag, and second grasswort, 221 closures are in first carrier spring plate 21.Second grasswort 221 of second carrier spring plate 22 is half bag, is provided with opening between first carrier spring plate 21 and second carrier spring plate 22.The crooked radian of first grasswort 211 of first carrier spring plate 21 is less than the crooked radian of second grasswort 221 of second carrier spring plate 22.Please in the lump referring to Fig. 6 and Fig. 7, in the present embodiment, first carrier spring plate 21 and second carrier spring plate 22 comprise that the middle part is that cubical clamping part and end are cubical calendering part and are connected in trapezoidal transition part between the two.First carrier spring plate 21, second carrier spring plate 22 and the first auxiliary spring sheet 23 comprise 6 dimensional parameters: l, b, h1, h2, l1, l2.Wherein, l is the half long of first carrier spring plate 21, second carrier spring plate 22 and the first auxiliary spring sheet 23.B is the width of first carrier spring plate 21, second carrier spring plate 22 and the first auxiliary spring sheet 23.H1 is the thickness of first carrier spring plate 21, second carrier spring plate 22 and the first auxiliary spring sheet, 23 terminal calendering parts.H2 is the thickness of first carrier spring plate 21, second carrier spring plate 22 and the first auxiliary spring sheet, 23 middle part clamping parts.What l2 was the middle part than the length of thickness portion is half the.L1 is the length of terminal calendering part;
Gradual change type steel spring 20 also is provided with parking brake adapter plate 29, and parking brake adapter plate 29 is the U type.Parking brake adapter plate 29 is provided with and connects main body 291 and two support divisions 293 perpendicular to 291 extensions of connection main body.The connection main body 291 of parking brake adapter plate 29 is connected in the both sides that 23, two support divisions 293 of the first auxiliary spring sheet are arranged at first carrier spring plate 21, second carrier spring plate 22 and the first auxiliary spring sheet 23 respectively.The end of two support divisions 293 is fastenedly connected and clamps first carrier spring plate 21, second carrier spring plate 22 and the first auxiliary spring sheet 23 through bolt 27.
The gradual change type steel spring 20 of the utility model is provided with first carrier spring plate 21, second carrier spring plate 22 and the first auxiliary spring sheet 23.First carrier spring plate 21, second carrier spring plate 22 and the first auxiliary spring sheet 23 all adopt the variable section design, compared to prior art, when reaching same load-carrying capacity, adopt less number of spring leaf, and have reduced the weight of material requested.When overall load increases to a certain degree, the first auxiliary spring sheet 23, second carrier spring plate 22 that just begins to fit.The rigidity of gradual change type steel spring 20 will increase and increase with load, and suspension offset frequency rangeability is less, and travelling comfort is more excellent.Make between first carrier spring plate 21, second carrier spring plate 22 and leave enough gaps through metallic gasket 24 is set, at utmost avoid the abnormal sound that rubs, also can reduce contact fatigue simultaneously.The end of the first auxiliary spring sheet 23 is installed liner 25, prevents that the end of the first auxiliary spring sheet 23 from patting second carrier spring plate, 22 generation abnormal sounds.First grasswort 211 is full bag, and second grasswort 221 is half bag, and under the extreme case of first grasswort, 211 fractures, automobile hind axle still can link to each other with vehicle body through second grasswort, guarantees safety.
Above content is the further explain that combines concrete preferred implementation that the utility model is done, and can not assert that the practical implementation of the utility model is confined to these explanations.For the those of ordinary skill of technical field under the utility model, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be regarded as belonging to the protection domain of the utility model.
Claims (5)
1. gradual change type steel spring; It is characterized in that: comprise first carrier spring plate, second carrier spring plate, the first auxiliary spring sheet and folder hoop; Said first carrier spring plate, said second carrier spring plate, the said first auxiliary spring sheet are cascading and interconnect; The thickness of said first carrier spring plate, second carrier spring plate and the first auxiliary spring sheet progressively reduces to two ends from the middle part, and said folder hoop is connected in said second carrier spring plate and said first carrier spring plate of clamping and second carrier spring plate.
2. according to the said gradual change type steel spring of claim 1; It is characterized in that: the end of said first carrier spring plate is provided with towards the first crooked and closed grasswort of said first carrier spring plate; The end of said second carrier spring plate is provided with towards the second crooked grasswort of said second carrier spring plate, and the crooked radian of first grasswort of said first carrier spring plate is less than the crooked radian of second grasswort of said second carrier spring plate.
3. according to the said gradual change type steel spring of claim 1, it is characterized in that: said gradual change type steel spring also is provided with metallic gasket, and said pad is arranged between the said first main reed and the said second main reed.
4. according to the said gradual change type steel spring of claim 1; It is characterized in that: said gradual change type steel spring also is provided with liner; Said liner is connected in the end of the said first auxiliary spring sheet, and said liner is arranged at the first auxiliary spring sheet towards said first carrier spring plate, one side.
5. according to the said gradual change type steel spring of claim 1, it is characterized in that: said gradual change type steel spring also is provided with polysulphide rubbers, and said polysulphide rubbers is arranged between said folder hoop and said first carrier spring plate and said second carrier spring plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204996899U CN202413330U (en) | 2011-12-05 | 2011-12-05 | Gradually changing plate spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204996899U CN202413330U (en) | 2011-12-05 | 2011-12-05 | Gradually changing plate spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202413330U true CN202413330U (en) | 2012-09-05 |
Family
ID=46738118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204996899U Expired - Fee Related CN202413330U (en) | 2011-12-05 | 2011-12-05 | Gradually changing plate spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202413330U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937156A (en) * | 2012-11-27 | 2013-02-20 | 东风柳州汽车有限公司 | Plate spring component of heavy-duty truck |
| CN104595401A (en) * | 2015-01-29 | 2015-05-06 | 山西大运汽车制造有限公司 | Plate spring clamp combined structure for heavy-load dumper |
| CN104696403A (en) * | 2015-01-06 | 2015-06-10 | 成都客车股份有限公司 | Composite spring structure realizing equal offset frequency of variable stiffness |
| CN106080074A (en) * | 2016-08-19 | 2016-11-09 | 浙江吉利新能源商用车有限公司 | Major-minor plate spring suspension system and there is the vehicle of this major-minor plate spring suspension system |
| 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 |
| CN107654550A (en) * | 2017-10-10 | 2018-02-02 | 安庆安簧汽车零部件有限公司 | A kind of variation rigidity composite material plate spring and its manufacturing process |
| CN112013064A (en) * | 2020-08-24 | 2020-12-01 | 东风商用车有限公司 | Leaf spring assembly |
-
2011
- 2011-12-05 CN CN2011204996899U patent/CN202413330U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937156A (en) * | 2012-11-27 | 2013-02-20 | 东风柳州汽车有限公司 | Plate spring component of heavy-duty truck |
| CN104696403A (en) * | 2015-01-06 | 2015-06-10 | 成都客车股份有限公司 | Composite spring structure realizing equal offset frequency of variable stiffness |
| CN104595401A (en) * | 2015-01-29 | 2015-05-06 | 山西大运汽车制造有限公司 | Plate spring clamp combined structure for heavy-load dumper |
| CN106080074A (en) * | 2016-08-19 | 2016-11-09 | 浙江吉利新能源商用车有限公司 | Major-minor plate spring suspension system and there is the vehicle of this major-minor plate spring suspension system |
| 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 |
| CN106515335B (en) * | 2016-11-18 | 2018-12-14 | 安徽江淮汽车集团股份有限公司 | A kind of RBA steel plate spring assembly and its automobile |
| CN107654550A (en) * | 2017-10-10 | 2018-02-02 | 安庆安簧汽车零部件有限公司 | A kind of variation rigidity composite material plate spring and its manufacturing process |
| CN112013064A (en) * | 2020-08-24 | 2020-12-01 | 东风商用车有限公司 | Leaf spring assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20191205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |