CN105291742B - A kind of leaf spring attachment structure, vehicle suspension and vehicle - Google Patents
A kind of leaf spring attachment structure, vehicle suspension and vehicle Download PDFInfo
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- CN105291742B CN105291742B CN201510780440.8A CN201510780440A CN105291742B CN 105291742 B CN105291742 B CN 105291742B CN 201510780440 A CN201510780440 A CN 201510780440A CN 105291742 B CN105291742 B CN 105291742B
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- bearing pin
- leaf spring
- flat spring
- spring bracket
- flat
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Abstract
The invention discloses a kind of leaf spring attachment structure, vehicle suspension and vehicle, the leaf spring attachment structure includes plate spring pin roll component and fastener, wherein：The plate spring pin roll component passes through the mounting hole on flat spring bracket and leaf spring that the leaf spring is installed into the flat spring bracket, the fastener is located between the plate spring pin roll component and the flat spring bracket, to limit the plate spring pin roll component relative to the flat spring bracket axial direction and/or circumferential movement.The present invention can prevent the relative motion between plate spring pin roll component and flat spring bracket, it is to avoid what is be subject to during suspension use passes to the impulsive force of leaf spring through plate spring pin roll component passes to suspension strut from ground, and then be conducive to protecting suspension strut.
Description
Technical field
The present invention relates to automobile technical field, more particularly to a kind of leaf spring attachment structure, vehicle suspension and vehicle.
Background technology
Suspension is all force transmission connections between the vehicle frame (or monocoque body) of vehicle and vehicle bridge (or wheel)
General name, it is that the power that acts between wheel and vehicle frame of transmission and power are turned round that it, which is acted on, and buffer by uneven road surface be transmitted to vehicle frame or
The impulsive force of vehicle body, and thus caused vibrations are reduced, to ensure that automobile can be travelled smoothly.
Fig. 1 is illustrated that in the structural representation of longitudinal leaf spring structure suspension in the prior art, Fig. 1 shown in Fig. 2
Leaf spring attachment structure structural representation.As depicted in figs. 1 and 2, leaf spring attachment structure is used for junction steel plate spring (in full
Referred to as " leaf spring ") and suspension strut.Leaf spring attachment structure specifically includes bearing pin 1 ' and clamping screw 2 ', wherein, the edge of bearing pin 1 '
The width of vehicle frame extends through opposite side from the side of vehicle frame, and leaf spring 3 ' is fixedly attached into suspension strut 4 '.Bearing pin 1 '
Bottom opens up fluted 1a ', and groove 1a ' can match with the outer surface of clamping screw 2 ' just, to be engaged in clamping screw
2 ' upper surface.Clamping screw 2 ' through suspension strut 4 ' bolt hole and plate spring pin roll groove 1a ', and with spring washer,
Nut check is fixed.
But, there is gap between groove 1a ' and clamping screw 2 ', therefore bearing pin 1 ' can be light in the hole of suspension strut 4 '
It is micro- to rotate.In use, the impulsive force that ground passes to leaf spring 3 ' is transferred to suspension strut 4 ', suspension to suspension through bearing pin 1 '
The bearing pin hole position of support 4 ' is gradually worn out, and ultimately results in damage.
Thus, it is desirable to have a kind of technical scheme come overcome or at least mitigate prior art at least one drawbacks described above.
The content of the invention
It is an object of the invention to provide a kind of leaf spring attachment structure come overcome or at least mitigate it is of the prior art at least
One drawbacks described above.
To achieve the above object, the present invention provides a kind of leaf spring attachment structure, and the leaf spring attachment structure includes leaf spring pin
Shaft assembly and fastener, wherein：The plate spring pin roll component is through the mounting hole on flat spring bracket and leaf spring with by the plate
Spring is installed to the flat spring bracket, and the fastener is located between the plate spring pin roll component and the flat spring bracket, to limit
The plate spring pin roll component is made relative to the flat spring bracket axial direction and/or circumferential movement.
Further, the plate spring pin roll component includes bearing pin and bushing, wherein：The bushing is set in outside the bearing pin
And jointly insertion be arranged in the mounting hole of the flat spring bracket, the bushing in an interference fit with the flat spring bracket
Connection, to limit circumferential movement of the bushing relative to the flat spring bracket.
Further, the fastener includes the shaft shoulder, and the shaft shoulder is located at one end of the bushing, and the chi of outline
The very little mounting hole more than on the flat spring bracket, to limit the bushing relative to the flat spring bracket towards the bushing other end
Axial movement.
Further, the fastener also includes bearing pin limit assembly, and the bearing pin limit assembly is located at the leaf spring
On the bearing pin of Assembly of pin, for limiting the bearing pin relative to flat spring bracket axial direction and/or circumferential motion.
Further, the bearing pin limit assembly includes bearing pin axial limit structure, and the bearing pin axial limit structure is set
On the bearing pin, for limiting axial movement of the bearing pin relative to the flat spring bracket.
Further, the bearing pin limit assembly also includes the circumferential position limiting structure of bearing pin, the circumferential position limiting structure of the bearing pin
It is located on the bearing pin, for limiting circumferential movement of the bearing pin relative to the flat spring bracket.
Further, the bearing pin limit assembly includes end plate and boss, wherein：The end plate be located on the bearing pin and
With the flat face of milling, the boss is located at the side of the flat spring bracket, can press and is set on the flat face of the milling just, to limit
State motion of the bearing pin relative to the flat spring bracket axial and circumferential.
Further, the bearing pin is step bars, and it has a big bar portion and small bar portion, two bushings and with it is each
The integrally manufactured shaft shoulder of the individual bushing is set in outside the big bar portion, and the end plate is respectively positioned on described with the shaft shoulder
The same side of flat spring bracket, and the integrally manufactured one end in the big bar portion of the end plate, the other end of the big bar portion set institute
Small bar portion is stated, the part that the small bar portion passes the flat spring bracket is tightened fixed to the leaf spring by channel nut and packing ring
On support.
The present invention also provides a kind of vehicle suspension, including before connect beam, flat spring bracket, leaf spring and leaf spring attachment structure, it is described
Flat spring bracket be integrated into it is described before connect on beam, the leaf spring attachment structure be leaf spring attachment structure as described above, the leaf spring
Support has two structure of mounting hole, and described two structure of mounting hole are arranged apart along the width of vehicle frame, and the leaf spring connects
Bearing pin in binding structure passes through described two structure of mounting hole, and bushing is located at the hole of the bearing pin and each structure of mounting hole
Between wall.
The present invention also provides a kind of vehicle, and it includes vehicle suspension, and the vehicle suspension is vehicle suspension as described above.
Using technical scheme provided by the present invention, filled by the fastening being located between plate spring pin roll component and flat spring bracket
Put, leaf spring Assembly of pin can be limited relative to flat spring bracket axial direction and/or circumferential movement, therefore plate spring pin roll group can be prevented
Relative motion between part and flat spring bracket, it is to avoid what is be subject to during suspension use passes to the impulsive force of leaf spring from ground
Through plate spring pin roll component passes to suspension strut, and then be conducive to protecting suspension strut.
Brief description of the drawings
Fig. 1 is the structural representation of longitudinal leaf spring structure suspension in the prior art；
Fig. 2 is the close-up schematic view in Fig. 1；
Fig. 3 is the structural representation of vehicle suspension provided by the present invention；
Fig. 4 is the close-up schematic view in Fig. 3.
Reference：
| 1’ | Plate spring pin roll | 2’ | Clamping screw |
| 3’ | Leaf spring | 4’ | Suspension strut |
| 1a’ | Groove | 1 | Bearing pin |
| 2 | Bushing | 3 | The shaft shoulder |
| 4 | End plate | 5 | Boss |
| 6 | Channel nut | 7 | Packing ring |
| 8 | Before connect beam | 9 | Flat spring bracket |
| 10 | Leaf spring | 1a | Big bar portion |
| 1b | Small bar portion |
Embodiment
To make the purpose, technical scheme and advantage of the invention implemented clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label represent same or similar element or the element with same or like function.Described embodiment is the present invention
A part of embodiment, rather than whole embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to uses
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.Under
Embodiments of the invention are described in detail with reference to accompanying drawing for face.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, is for only for ease of the description present invention and simplifies description, rather than indicate or imply signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to present invention protection
The limitation of scope.
As shown in Figure 3 and Figure 4, the leaf spring attachment structure that present embodiment is provided includes plate spring pin roll component and fastening is filled
Put, wherein：The plate spring pin roll component passes through the mounting hole on flat spring bracket and leaf spring that the leaf spring is installed into the plate
Spring bracket, the fastener is located between the plate spring pin roll component and the flat spring bracket, to limit the plate spring pin roll
Component is relative to the flat spring bracket axial direction and/or circumferential movement.Present embodiment can prevent plate spring pin roll component and leaf spring
Relative motion between support, it is to avoid what is be subject to during suspension use passes to the impulsive force of leaf spring through leaf spring pin from ground
Shaft assembly is transferred to suspension strut, and then is conducive to protecting suspension strut.
As a kind of preferred embodiment of the plate spring pin roll component, the plate spring pin roll component includes bearing pin 1 and lining
Set 2, wherein：Bushing 2 is set in outside bearing pin 1, the common embedded mounting hole for being arranged on the flat spring bracket of the two component formed
In, bushing 2 is connected with the flat spring bracket in an interference fit, to limit week of the bushing 2 relative to the flat spring bracket
To motion.Bushing 2 in present embodiment is through special thermal treatment, with higher hardness and wearability, so contributes to lifting
The endurance life of bushing 2.The technical scheme provided using present embodiment, bushing is set up between bearing pin 1 and flat spring bracket
2, it can so avoid bearing pin 1 from being contacted with the direct of flat spring bracket, the reliability for helping to be lifted flat spring bracket, and bushing 2
Split type structure is used with flat spring bracket, bushing 2 is only changed when abnormal to bushing 2, reduces maintenance cost.
The fastener includes the shaft shoulder 3, and the shaft shoulder 3 is located at one end of bushing 2, and the size of outline is more than the leaf spring
Mounting hole on support, for limit bushing 2 relative to the flat spring bracket towards the other end of bushing 2 axial movement, with stop
Bushing 2 is axially deviate from from the mounting hole in the flat spring bracket along described.During assembling, it is first according to respectively pacify in the flat spring bracket
The relative position in hole is filled, then the installation direction using auxiliary mould by the bushing 2 of respective numbers along bearing pin 1 is pressed into the plate
In each mounting hole of spring bracket, and the shaft shoulder 3 is close to the side setting of the flat spring bracket, by the shaft shoulder 3, can stop bushing
2 axially deviate from from the mounting hole in the flat spring bracket along described.
The fastener also includes bearing pin limit assembly, and the bearing pin limit assembly is located at the plate spring pin roll component
On bearing pin 1, for limiting bearing pin 1 relative to flat spring bracket axial direction and/or circumferential motion.Even if so by from ground
The active force of transmission, bearing pin 1 will not also be moved relative to the flat spring bracket, be conducive to protecting suspension strut.Specifically, it is described
Bearing pin limit assembly includes bearing pin axial limit structure and the circumferential position limiting structure of bearing pin, and the bearing pin axial limit structure is located at pin
On axle 1, for limiting axial movement of the bearing pin 1 relative to the flat spring bracket.The circumferential position limiting structure of the bearing pin is located at bearing pin 1
On, for limiting circumferential movement of the bearing pin 1 relative to the flat spring bracket.
As a kind of preferred embodiment of the bearing pin limit assembly, the bearing pin limit assembly includes end plate 4 and convex
Platform 5, wherein：End plate 4 is located on bearing pin 1 and with the flat face 4a of milling, and end plate 4 can be the great circle structure shown in figure, the great circle
Two opposite sides of structure have the flat face 4 of milling respectively, in use, the flat face 4 of two millings is rendered as upper and lower arrangement respectively.In order to
Milling flat face 4 is closed, boss 5 is located at the side of the flat spring bracket, and boss 5 can be variously-shaped, as long as ensure to have can for it
The plane fitted with the flat face of milling 4, so just can be proper therefore, it is possible to the setting that flats down fitted with the flat face of milling 4
It can press well and be set on the flat face 4a of milling, to play a part of limitation bearing pin 1 relative to the flat spring bracket circumferential movement.In addition,
Because the outer profile size of end plate 4 is larger, the side of the flat spring bracket is attached to during assembling completely, such end plate 4 is just served
Bearing pin 1 is limited relative to the effect that the flat spring bracket is axially moved.
Bearing pin 1 is step bars, and it has a big bar portion 1a and small bar portion 1b, two bushings 2 and with each one of bushing 2
The shaft shoulder 3 of manufacture is set in outside big bar portion 1a, and end plate 4 is respectively positioned on the same side of the flat spring bracket, and end plate 4 with the shaft shoulder 3
Integrally manufactured one end in big bar portion 1a, the big bar portion 1a other end connects small bar portion 1b, and small bar portion 1b passes the leaf spring branch
Tightened by channel nut 6 and packing ring 7 fixed on the flat spring bracket, described in the size of packing ring 7 is more than the part of frame
Small bar portion 1b can be fastened on the flat spring bracket by the size of the mounting hole of flat spring bracket, therefore, channel nut 6.
The present invention also provides a kind of vehicle suspension, including before connect beam 8, flat spring bracket 9, leaf spring 10 and leaf spring attachment structure,
Flat spring bracket 9 is connect before being integrated on beam 8, and the leaf spring attachment structure is the leaf spring connection knot described in the respective embodiments described above
Structure.Flat spring bracket 9 has two structure of mounting hole 9a, two structure of mounting hole 9a arranged apart along the width of vehicle frame, institute
The bearing pin 1 in leaf spring attachment structure is stated through two structure of mounting hole 9a, and bushing 2 is located at bearing pin 1 and each structure of mounting hole 9a
Hole wall between.
The present invention also provides a kind of vehicle, and it includes vehicle suspension, and the vehicle suspension is institute in the respective embodiments described above
The vehicle suspension stated.
It is last it is to be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
The present invention is described in detail with reference to the foregoing embodiments for pipe, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments can be modified, or which part technical characteristic is equally replaced
Change；And these modifications or replacement, the essence of appropriate technical solution is departed from the essence of various embodiments of the present invention technical scheme
God and scope.
Claims (8)
1. a kind of leaf spring attachment structure, it is characterised in that including plate spring pin roll component and fastener, wherein：The leaf spring pin
Shaft assembly passes through the mounting hole on flat spring bracket and leaf spring that the leaf spring is installed into the flat spring bracket, the fastener
It is located between the plate spring pin roll component and the flat spring bracket, to limit the plate spring pin roll component relative to the leaf spring branch
Frame axial direction and/or circumferential movement；
The plate spring pin roll component includes bearing pin (1) and bushing (2), wherein：The bushing (2) is set in the bearing pin (1) outside
And jointly insertion be arranged in the mounting hole of the flat spring bracket, the bushing (2) in an interference fit with the leaf spring
Support is connected, to limit circumferential movement of the bushing (2) relative to the flat spring bracket；
The fastener includes bearing pin limit assembly, and the bearing pin limit assembly includes end plate (4) and boss (5), wherein：Institute
State end plate (4) to be located on the bearing pin (1) and with the flat face of milling (4a), the boss (5) is located at the side of the flat spring bracket,
With the plane that is set on the flat face of the milling (4a) can be pressed just, to limit the bearing pin (1) relative to the flat spring bracket
Circumferential motion；The outline of the end plate (4) is attached to the side of the flat spring bracket in assembling completely, plays limitation described
Bearing pin (1) is relative to the effect that the flat spring bracket is axially moved.
2. leaf spring attachment structure as claimed in claim 1, it is characterised in that the fastener includes the shaft shoulder (3), the axle
Shoulder (3) is located at one end of the bushing (2), and the size of outline is more than mounting hole on the flat spring bracket, to limit
State bushing (2) relative to the flat spring bracket towards the bushing (2) other end axial movement.
3. the leaf spring attachment structure as any one of claim 1 to 2, it is characterised in that the fastener also includes
Bearing pin limit assembly, the bearing pin limit assembly is located on the bearing pin (1) of the plate spring pin roll component, for limiting the bearing pin
(1) relative to flat spring bracket axial direction and/or circumferential motion.
4. leaf spring attachment structure as claimed in claim 3, it is characterised in that the bearing pin limit assembly includes bearing pin and axially limited
Bit architecture, the bearing pin axial limit structure is located on the bearing pin (1), for limiting the bearing pin (1) relative to the plate
The axial movement of spring bracket.
5. leaf spring attachment structure as claimed in claim 4, it is characterised in that it is circumferential that the bearing pin limit assembly also includes bearing pin
Position limiting structure, the circumferential position limiting structure of the bearing pin is located on the bearing pin (1), for limiting the bearing pin (1) relative to described
The circumferential movement of flat spring bracket.
6. leaf spring attachment structure as claimed in claim 1, it is characterised in that the bearing pin (1) is step bars, and it has big bar
Portion (1a) and small bar portion (1b), two bushings (2) and the shaft shoulder (3) integrally manufactured with bushing each described (2) are
It is set in the big bar portion (1a) outside, the end plate (4) is respectively positioned on the same side of the flat spring bracket with the shaft shoulder (3), and
The integrally manufactured one end in the big bar portion (1a) of the end plate (4), the other end of the big bar portion (1a) is provided with the small bar
Tighten and be fixed to by channel nut (6) and packing ring (7) in portion (1b), the part that the small bar portion (1b) passes the flat spring bracket
On the flat spring bracket.
7. a kind of vehicle suspension, including before connect beam (8), flat spring bracket (9), leaf spring (10) and leaf spring attachment structure, its feature exists
In, the flat spring bracket (9) be integrated into it is described before connect on beam (8), the leaf spring attachment structure is any in claim 1 to 6
Leaf spring attachment structure described in, the flat spring bracket (9) has two structure of mounting hole (9a), described two structure of mounting hole
(9a) is arranged apart along the width of vehicle frame, and the bearing pin (1) in the leaf spring attachment structure passes through described two mounting hole knots
Structure (9a), and bushing (2) is positioned between the bearing pin (1) and the hole wall of each structure of mounting hole (9a).
8. a kind of vehicle, it includes vehicle suspension, it is characterised in that the vehicle suspension is that the vehicle described in claim 7 hangs
Frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510780440.8A CN105291742B (en) | 2015-11-13 | 2015-11-13 | A kind of leaf spring attachment structure, vehicle suspension and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510780440.8A CN105291742B (en) | 2015-11-13 | 2015-11-13 | A kind of leaf spring attachment structure, vehicle suspension and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105291742A CN105291742A (en) | 2016-02-03 |
| CN105291742B true CN105291742B (en) | 2017-10-17 |
Family
ID=55189844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510780440.8A Active CN105291742B (en) | 2015-11-13 | 2015-11-13 | A kind of leaf spring attachment structure, vehicle suspension and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105291742B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1530967B2 (en) * | 1967-03-11 | 1979-06-28 | Andersson & Gervais Ab, Goeteborg (Schweden) | Suspension for non-driven rigid single axles of towed or semi-mounted vehicle trailers !! |
| EP0504593A1 (en) * | 1991-03-20 | 1992-09-23 | Bergische Achsenfabrik Fr. Kotz & Söhne | Adjustment device |
| CN201931955U (en) * | 2010-12-10 | 2011-08-17 | 上海科曼车辆部件系统有限公司 | Compound type air suspension system taking variable-section plate springs as guide arms |
| CN203920312U (en) * | 2014-04-16 | 2014-11-05 | 陕西汽车集团温州云顶汽车有限公司 | The leaf spring fixed mount of lorry suspension |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07172126A (en) * | 1993-12-22 | 1995-07-11 | Hino Motors Ltd | Rear suspension to be used for automobile |
-
2015
- 2015-11-13 CN CN201510780440.8A patent/CN105291742B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1530967B2 (en) * | 1967-03-11 | 1979-06-28 | Andersson & Gervais Ab, Goeteborg (Schweden) | Suspension for non-driven rigid single axles of towed or semi-mounted vehicle trailers !! |
| EP0504593A1 (en) * | 1991-03-20 | 1992-09-23 | Bergische Achsenfabrik Fr. Kotz & Söhne | Adjustment device |
| CN201931955U (en) * | 2010-12-10 | 2011-08-17 | 上海科曼车辆部件系统有限公司 | Compound type air suspension system taking variable-section plate springs as guide arms |
| CN203920312U (en) * | 2014-04-16 | 2014-11-05 | 陕西汽车集团温州云顶汽车有限公司 | The leaf spring fixed mount of lorry suspension |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105291742A (en) | 2016-02-03 |
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