CN209539882U - A kind of compound rear spring of arc - Google Patents
A kind of compound rear spring of arc Download PDFInfo
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- CN209539882U CN209539882U CN201821870386.1U CN201821870386U CN209539882U CN 209539882 U CN209539882 U CN 209539882U CN 201821870386 U CN201821870386 U CN 201821870386U CN 209539882 U CN209539882 U CN 209539882U
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- reed
- main reed
- auxiliary spring
- spring piece
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Abstract
The utility model discloses a kind of compound rear springs of arc, belong to leaf spring field, the compound rear spring of arc includes main spring group, the auxiliary spring group being superimposed on above the main spring group, through the centre bolt of the main spring group and the auxiliary spring group, the main spring group includes from top to bottom being sequentially overlapped and in the first main reed for being bent upwards arc-shaped, second main reed, the main reed of third, 4th main reed, 5th main reed, 6th main reed, 7th main reed, the auxiliary spring group includes from top to bottom being sequentially overlapped and in the first auxiliary spring piece for being bent upwards arc-shaped, second auxiliary spring piece, third auxiliary spring piece, fourth officer reed, 5th auxiliary spring piece.The compound rear spring of arc disclosed by the utility model, with higher-strength and bear load impacting ability in the case where still have preferable elastic deformability, vehicle running smoothness can be improved, structure is more reasonable.
Description
Technical field
The utility model relates to leaf spring field more particularly to a kind of compound rear springs of arc.
Background technique
Leaf spring is that had composed by elastic and different in size steel disc as multi-disc.Its effect is vehicle frame and vehicle bridge
It is linked together with the form of suspension, it is exposed between vehicle frame and vehicle bridge, wheel is born to the load impacting of vehicle frame, cuts down vehicle body
High vibration, keep the stationarity of vehicle driving and the adaptability to different road conditions.
The leaf spring for the single stiffness structure being formed by stacking by multi-disc reed is most widely used, reed superposition quantity
Ability bearing capacity with higher when more, but its overall stiffness is higher, and elastic deformability is poor, in automobile unloaded semi-load
In the case of jolt larger, integral strength rigidity cannot be guaranteed if reed negligible amounts, existing to be made of main spring and auxiliary spring
The leaf spring of two-stage stiffness changing structure, though bearing capacity with higher, its elastic deformability is poor, in automobile zero load
In the case of jolt it is still larger.
Utility model content
For overcome the deficiencies in the prior art, the technical problem to be solved by the utility model is to propose that a kind of arc is multiple
Formula rear spring, with higher-strength and bear load impacting ability in the case where still have preferable elastic deformation energy
Power, can improve vehicle running smoothness, and structure is more reasonable.
The technical scheme adopted by the utility model is
The compound rear spring of a kind of arc provided by the utility model, including main spring group, be superimposed in the main spring group
The auxiliary spring group of side, through the centre bolt of the main spring group and the auxiliary spring group, the main spring group includes from top to bottom successively folding
Add and in the first main reed, the second main reed, the main reed of third, the 4th main reed, the 5th main spring for being bent upwards arc-shaped
Piece, the 6th main reed, the 7th main reed, the auxiliary spring group include from top to bottom being sequentially overlapped and are in be bent upwards arc-shaped
First auxiliary spring piece, the second auxiliary spring piece, third auxiliary spring piece, fourth officer reed, the 5th auxiliary spring piece.
As the further improvement of this programme, the second main reed, the main reed of the third, the 4th main reed,
The 5th main reed, the 6th main reed, the 7th main reed length successively become smaller, the 6th main reed and institute
State the length of the 7th main reed difference be less than the 5th main reed and the 6th main reed length difference.
As the further improvement of this programme, the first auxiliary spring piece, the second auxiliary spring piece, the third auxiliary spring piece,
The fourth officer reed, the 5th auxiliary spring piece length successively become smaller, the fourth officer reed and the 5th auxiliary spring piece
The difference of length is greater than the difference of the length of the third auxiliary spring piece and the fourth officer reed.
As the further improvement of this programme, the first main reed, the main reed of the third, the 4th main reed,
The 5th main reed, the 6th main reed, the 7th main reed are cross-section.
As the further improvement of this programme, the first auxiliary spring piece, the second auxiliary spring piece, the third auxiliary spring piece,
The fourth officer reed, the 5th auxiliary spring piece are cross-section.
As the further improvement of this programme, the front end volume of the first main reed is equipped with preceding grasswort, the first main spring
The rear end volume of piece is equipped with rear grasswort, and the axis of the preceding grasswort intersects with the length direction extended line of the described first main reed, institute
The axis for stating rear grasswort intersects with the length direction extended line of the described first main reed.
As the further improvement of this programme, the equal corner cut in both ends of the second main reed, before the second main reed
End volume is equipped with preceding packet ear, and packet ear after the rear end volume of the second main reed is equipped with, the preceding packet ear and the rear packet ear are half
Round, the preceding packet ear are packaged in the outside of the preceding grasswort, and the rear packet ear is packaged in the outside of the rear grasswort.
As the further improvement of this programme, the first main reed, the second main reed, the main reed of the third,
The 4th main reed, the 6th main reed, in the middle part of the 7th main reed is flat segments at the 5th main reed.
As the further improvement of this programme, the both ends of the 4th main reed are provided with four clamps.
As the further improvement of this programme, the both ends of the third auxiliary spring piece are provided with three pieces clamp.
Compared with prior art, the utility model has the beneficial effects that
The compound rear spring of a kind of arc provided by the utility model, by the way that superimposed main spring group and auxiliary spring is arranged
Group forms two-stage stiffness changing structure, and by the main independent stress of spring group in automobile zero load or institute smaller situation loaded, rigidity is smaller
And elastic shock attenuation ability is good, then main spring group carries jointly with auxiliary spring group in automobile institute larger situation loaded, and rigidity and intensity are high,
Bearing capacity is strong；By the way that main spring group is arranged by the first main reed, the second main reed, the main reed of third, the 4th main reed, the 5th master
Reed, the 6th main reed, the 7th main reed composition, and seven reeds are in the arc-shaped being bent upwards, and make winner's spring group in water
The length of main spring group is extended in the case that flat length is constant, can effectively enhance the elastic deformability of main spring group, improves elasticity
Cushioning ability is effectively improved stationarity of the automobile in unloaded or semi-load, by being arranged by the first auxiliary spring piece, the second auxiliary spring
The auxiliary spring group of piece, third auxiliary spring piece, fourth officer reed, the 5th auxiliary spring piece composition, and five reeds are in the circular arc being bent upwards
Shape makes auxiliary spring group extend the length of auxiliary spring group in the case where horizontal length is constant, enhances the elastic deformation energy of auxiliary spring group
Power, when automobile institute is loaded larger, auxiliary spring group acts on simultaneously with main spring group, guarantees the whole strong of the compound rear spring of arc
Degree and bearing capacity, and the setting of the reed quantity of main spring group and auxiliary spring group is rationally, stiffness and strength can guarantee, overall construction design
Rationally, above, make the compound rear spring of arc the case where there is higher-strength and higher receiving load impacting ability, still has
There is preferable elastic deformability, vehicle running smoothness can be improved effectively to automatic buffer damping.
Detailed description of the invention
Fig. 1 is a kind of structural representation of the compound rear spring of arc provided in specific embodiment of the present invention
Figure；
Fig. 2 is that a kind of plan structure of the compound rear spring of arc provided in specific embodiment of the present invention is shown
It is intended to；
Fig. 3 is the structural schematic diagram of the second main reed provided in specific embodiment of the present invention；
Fig. 4 is the structural schematic diagram of four clamps provided in specific embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the three pieces clamp provided in specific embodiment of the present invention.
In figure:
1, main spring group；2, auxiliary spring group；3, centre bolt；11, the first main reed；12, the second main reed；13, the main spring of third
Piece；14, the 4th main reed；15, the 5th main reed；16, the 6th main reed；17, the 7th main reed；21, the first auxiliary spring piece；22,
Second auxiliary spring piece；23, third auxiliary spring piece；24, fourth officer reed；25, the 5th auxiliary spring piece；4, preceding grasswort；5, rear grasswort；6, preceding packet
Ear；7, rear packet ear；8, four clamps；9, three pieces clamp.
Specific embodiment
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art and technical solution are briefly described, it should be apparent that, it is described below
Attached drawing be only some embodiments of the utility model, for those of ordinary skill in the art, do not paying creativeness
Under the premise of labour, it can also be obtained according to these attached drawings other attached drawings.
The present invention will be further described with reference to the accompanying drawing.
As depicted in figs. 1 and 2, the compound rear spring of a kind of arc provided in this embodiment, including main spring group 1, superposition
Auxiliary spring group 2 above main spring group 1, through the centre bolt 3 of main spring group 1 and auxiliary spring group 2, main spring group 1 include from top to bottom according to
It is secondary to be superimposed and in the first main reed 11, the second main reed 12, the main reed 13 of third, the 4th main reed for being bent upwards arc-shaped
14, the 5th main reed 15, the 6th main reed 16, the 7th main reed 17, the first main reed 11, the second main reed 12, the main spring of third
Piece 13, the 4th main reed 14, the 5th main reed 15, the 6th main reed 16 and the 7th main 17 7 reeds of reed crooked radian one
It causes and is successively bonded to each other, it is ensured that the rigidity and intensity of main spring group 1, auxiliary spring group 2 include from top to bottom being sequentially overlapped and being in
It is bent upwards the first auxiliary spring piece 21, the second auxiliary spring piece 22, third auxiliary spring piece 23, fourth officer reed 24, the 5th auxiliary spring of arc-shaped
Piece 25, the first auxiliary spring piece 21, the second auxiliary spring piece 22, third auxiliary spring piece 23,25 5 leaf spring of fourth officer reed 24 and the 5th auxiliary spring piece
The crooked radian of piece is consistent and is successively bonded to each other, and guarantees the rigidity and intensity of auxiliary spring group 2, the 5th auxiliary spring piece 25 and the first main spring
Piece 11 fits, and seven reeds of main spring group 1 are connected with five reeds of auxiliary spring group 2 by centre bolt 3, guarantee each spring
The relative position of piece, the first main reed 11, the second main reed 12, the main reed 13 of third, the 4th main reed 14, the 5th main reed
15, the 6th main reed 16, the 7th main reed 17 middle part be flat segments, centre bolt 3 is main through the first main reed 11, second
The main reed 13 of reed 12, third, the 4th main reed 14, the 5th main reed 15, the 6th main reed 16, the 7th main reed 17 it is straight
Section makes to be superimposed between each reed of main spring group 1 more firm.By being superposed for main spring group 1 and auxiliary spring group 2, automobile by
When compared with side crops industry impact, by the independent stress of main spring group 1, and because seven reeds of main spring group 1 are in the arc-shaped being bent upwards, make
Main spring group 1 extends the entire length of main spring group 1 in the case where horizontal length is constant, reduces the rigidity of structure of main spring group 1,
The elastic deformability of main spring group 1 is enhanced, ride performance of the automobile in unloaded or semi-load can be improved and is relaxed by bus
Adaptive, when automobile impact loaded is larger, main spring group 1 deforms larger, makes main spring group 1 with 2 collective effect of auxiliary spring group to share
Load impacting enhances the intensity of the compound rear spring of arc and bears load impacting ability, and because of five leaf springs of auxiliary spring group 2
Piece is in the arc-shaped being bent upwards, and so that auxiliary spring group 2 is extended entire length in the case where horizontal length is constant, reduces pair
The rigidity of structure of spring group 2 enhances the elastic deformability of auxiliary spring group 2, and the reed quantity of main spring group 1 and auxiliary spring group 2 is arranged
Rationally, balance is obtained between stiffness and strength and elastic deformability, so that cooperation is superimposed by auxiliary spring group 2 and main spring group 1,
Not only it can guarantee the compound rear spring of arc intensity with higher and born load impacting ability, but also there is preferable elasticity to become
Shape ability effectively enhances the buffering and elastic shock attenuation ability of the compound rear spring of arc, it is smooth to be effectively improved running car
Property and ride comfort.
As shown in Figure 1, to further enhance the elastic deformability of the compound rear spring of arc, further, second
The length of the main reed 13 of main reed 12, third, the 4th main reed 14, the 5th main reed 15, the 6th main reed 16, the 7th main reed 17
Degree successively becomes smaller, and makes main spring group 1 closer to iso-stress beam, improves main 1 structural bearing capacity of spring group, the 6th main reed 16 and the 7th is main
Difference of the difference of the length of reed 17 less than the length of the 5th main reed 15 and the 6th main reed 16, the benefit when main spring group 1 is loaded
In the flexible deformation of the first main reed 11, the second main reed 12, the main reed 13 of third, the 4th main reed 14, the 5th main reed 15,
To enhance the elastic deformability of main spring group 1, the first auxiliary spring piece 21, the second auxiliary spring piece 22, third auxiliary spring piece 23, the 4th auxiliary spring
Piece 24, the 5th auxiliary spring piece 25 length successively become smaller, the length of the first auxiliary spring piece 21 makes pair less than the length of the first main reed 11
Spring group 2 improves 2 structural bearing capacity of auxiliary spring group closer to iso-stress beam, the length of fourth officer reed 24 and the 5th auxiliary spring piece 25 it
Difference is greater than the difference of the length of third auxiliary spring piece 23 and fourth officer reed 24, when auxiliary spring group 2 is loaded conducive to the first auxiliary spring piece 21,
The flexible deformation of second auxiliary spring piece 22, third auxiliary spring piece 23, fourth officer reed 24 enhances the elastic deformability of auxiliary spring group 2, from
And the elastic deformability of the compound rear spring of arc is further enhanced, further improve vehicle running smoothness.
As shown in Figure 1, to simplify production technology, further, the first main reed 11, the main reed 13 of third, the 4th main spring
Piece 14, the 5th main reed 15, the 6th main reed 16, the 7th main reed 17 are cross-section, the first auxiliary spring piece 21, the second auxiliary spring piece
22, third auxiliary spring piece 23, fourth officer reed 24, the 5th auxiliary spring piece 25 are cross-section, and the compound rear spring of arc has met
Actual service conditions can shorten the production duration without carrying out calendering process.
As shown in Figure 1, to be fixed convenient for the installation of the compound rear spring of arc, further, the first main reed 11
Front end volume is equipped with preceding grasswort 4, and the rear end volume of the first main reed 11 is equipped with rear grasswort 5, the axis of preceding grasswort 4 and the first main reed 11
The intersection of length direction extended line, the axis of rear grasswort 5 intersects with the length direction extended line of the first main reed 11, convenient for arc
Compound rear spring is connect by preceding grasswort 4 and rear grasswort 5 with vehicle frame or lifting lug.
It as shown in Figure 1, Figure 2 and Figure 3, is the bearing capacity for enhancing preceding grasswort 4 and rear grasswort 5, further, the second main spring
The equal corner cut in the both ends of piece 12 improves main 1 stress situation of spring group, prevents stress from concentrating on both ends end, before the second main reed 12
End volume is equipped with preceding packet ear 6, and packet ear 7 after the rear end volume of the second main reed 12 is equipped with, preceding packet ear 6 and rear packet ear 7 are semi-circular shape,
The outside of grasswort 4, rear packet ear 7 are packaged in the outside of rear grasswort 5, set between preceding packet ear 6 and preceding grasswort 4 before preceding packet ear 6 is packaged in
There is gap, gap is equipped between rear packet ear 7 and rear grasswort 5, convenient for opposite between the first main reed 11 and the second main reed 12
Sliding, when the compound rear spring of arc is loaded, preceding grasswort 4 and 5 stress of rear grasswort are serious, pass through preceding packet ear 6 and rear packet
Ear 7 can improve the stress condition of preceding grasswort 4 and rear grasswort 5, enhance the bearing capacity of preceding grasswort 4 and rear grasswort 5, it is prevented to hold
It is broken when by compared with big load.
As depicted in figs. 1 and 2, the relative securement between guarantee each reed of main spring group 1, further, the 4th main reed
14 both ends are provided with four clamps 8, have four clamps 8 be U-shaped folder hoop, by four clamps 8 wale the first main reed 11,
The both ends of the main reed 13 of second main reed 12, third, the 4th main reed 14, prevent it from mutually staggering and lead to the first main reed 11
Independent stress.
As shown in Figure 1, Figure 4 and Figure 5, the relative securement between the guarantee each reed of auxiliary spring group 2, further, third pair
The both ends of reed 23 are provided with three pieces clamp 9, and three pieces clamp 9 is U-shaped folder hoop, wale the first auxiliary spring piece by three pieces clamp 9
21, the both ends of the second auxiliary spring piece 22, third auxiliary spring piece 23, prevent it from mutually staggering and lead to the independent stress of the first auxiliary spring piece 21.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, any change or replacement expected without creative work be should be covered within the scope of the utility model.
Therefore, the protection scope of the utility model should be determined by the scope of protection defined in the claims.
Claims (8)
1. a kind of compound rear spring of arc, including main spring group (1), the auxiliary spring group being superimposed on above the main spring group (1)
(2), run through the centre bolt (3) of the main spring group (1) and the auxiliary spring group (2), it is characterised in that:
The main spring group (1) include from top to bottom be sequentially overlapped and in be bent upwards arc-shaped the first main reed (11), the
Two main reeds (12), the main reed of third (13), the 4th main reed (14), the 5th main reed (15), the 6th main reed (16), the 7th
Main reed (17)；
The auxiliary spring group (2) include from top to bottom be sequentially overlapped and in be bent upwards arc-shaped the first auxiliary spring piece (21), the
Second mate's reed (22), third auxiliary spring piece (23), fourth officer reed (24), the 5th auxiliary spring piece (25)；
The second main reed (12), the main reed of the third (13), the 4th main reed (14), the 5th main reed
(15), the described 6th main reed (16), the 7th main reed (17) length successively become smaller；The 6th main reed (16) with
The difference of the length of the 7th main reed (17) is less than the length of the described 5th main reed (15) and the described 6th main reed (16)
Difference；
The first auxiliary spring piece (21), the second auxiliary spring piece (22), the third auxiliary spring piece (23), the fourth officer reed
(24), the length of the 5th auxiliary spring piece (25) successively becomes smaller；The fourth officer reed (24) and the 5th auxiliary spring piece (25)
Length difference be greater than the third auxiliary spring piece (23) and the fourth officer reed (24) length difference.
2. the compound rear spring of a kind of arc according to claim 1, it is characterised in that:
The first main reed (11), the main reed of the third (13), the 4th main reed (14), the 5th main reed
(15), the described 6th main reed (16), the 7th main reed (17) are cross-section.
3. the compound rear spring of a kind of arc according to claim 1, it is characterised in that:
The first auxiliary spring piece (21), the second auxiliary spring piece (22), the third auxiliary spring piece (23), the fourth officer reed
(24), the 5th auxiliary spring piece (25) is cross-section.
4. the compound rear spring of a kind of arc according to claim 1, it is characterised in that:
The front end volume of the first main reed (11) is equipped with preceding grasswort (4)；
The rear end volume of the first main reed (11) is equipped with rear grasswort (5)；
The axis of the preceding grasswort (4) intersects with the length direction extended line of the described first main reed (11)；
The axis of grasswort (5) intersects with the length direction extended line of the described first main reed (11) after described.
5. the compound rear spring of a kind of arc according to claim 4, it is characterised in that:
The equal corner cut in both ends of the second main reed (12)；
The front end volume of the second main reed (12) is equipped with preceding packet ear (6), after the rear end volume of the second main reed (12) is equipped with
Packet ear (7)；
The preceding packet ear (6) and the rear packet ear (7) are semi-circular shape；The preceding packet ear (6) is packaged in the preceding grasswort (4)
Outside, it is described after packet ear (7) be packaged in it is described after grasswort (5) outside.
6. the compound rear spring of a kind of arc according to claim 1, it is characterised in that:
The first main reed (11), the second main reed (12), the main reed of the third (13), the 4th main reed
(14), the described 5th main reed (15), the 6th main reed (16), in the middle part of the 7th main reed (17) be straight
Section.
7. the compound rear spring of a kind of arc according to claim 1, it is characterised in that:
The both ends of the 4th main reed (14) are provided with four clamps (8).
8. the compound rear spring of a kind of arc according to claim 1, it is characterised in that:
The both ends of the third auxiliary spring piece (23) are provided with three pieces clamp (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821870386.1U CN209539882U (en) | 2018-11-13 | 2018-11-13 | A kind of compound rear spring of arc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821870386.1U CN209539882U (en) | 2018-11-13 | 2018-11-13 | A kind of compound rear spring of arc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209539882U true CN209539882U (en) | 2019-10-25 |
Family
ID=68261787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821870386.1U Active CN209539882U (en) | 2018-11-13 | 2018-11-13 | A kind of compound rear spring of arc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209539882U (en) |
-
2018
- 2018-11-13 CN CN201821870386.1U patent/CN209539882U/en active Active
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