CN210484479U - Single leaf spring assembly - Google Patents

Single leaf spring assembly Download PDF

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Publication number
CN210484479U
CN210484479U CN201921212847.0U CN201921212847U CN210484479U CN 210484479 U CN210484479 U CN 210484479U CN 201921212847 U CN201921212847 U CN 201921212847U CN 210484479 U CN210484479 U CN 210484479U
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China
Prior art keywords
leaf spring
single leaf
spring assembly
locating piece
screening glass
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CN201921212847.0U
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Chinese (zh)
Inventor
辛梓田
李应涛
周生权
杜笑晨
范培斌
金鑫
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Dongfeng Trucks Co ltd
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Dongfeng Trucks Co ltd
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Priority to CN201921212847.0U priority Critical patent/CN210484479U/en
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Abstract

The utility model provides a monolithic spring assembly, belongs to the fixed spring field in the vehicle suspension system, monolithic spring assembly constitute by single leaf spring (1) and protection plate (2), the front end of single leaf spring (1) is provided with preceding eye (11), preceding eye (11) in be equipped with bush (3), protection plate (2) the cladding live the outer peripheral surface of preceding eye (11) and the upper and lower surface of single leaf spring (1) pole portion that links to each other, the terminal of protection plate (2) upper and lower surface in single leaf spring (1) pole portion all extends to single leaf spring (1) intermediate position, the end of protection plate (2) is fixed on single leaf spring (1) through locating pin (4), protection plate (2) and preceding eye (11) between be equipped with locating piece (5). The screening glass can avoid the partial fracture of monolithic spring anterior segment to the interference that turns to, and the fracture of screening glass and the reduction abnormal sound can be avoided to the locating piece.

Description

Single leaf spring assembly
Technical Field
The utility model belongs to the fixed spring field among the vehicle suspension system, concretely relates to single leaf spring assembly can avoid the fracture of single leaf spring to the interference that turns to, avoids the fracture of screening glass and reduces the abnormal sound that screening glass and book ear produced.
Background
The steel plate spring is the most traditional elastic element in an automobile suspension system, and is widely applied due to the advantages of good reliability, simple structure, short manufacturing process flow, low cost, simplified structure and the like. The single leaf spring has light weight, reduces the total thickness of the spring assembly, can reduce the height of the center of gravity of the whole vehicle, and is convenient to arrange.
Chinese patent grant publication no: CN 207028750U, authorized announcement date: year 2018, month 02, day 23, patent name: the utility model discloses a light-duty leading arm that trailer air suspension system used, this utility model discloses a light-duty leading arm that trailer air suspension system used, including a main reed, the one end of main reed is provided with a shaft hole, and the other end is provided with a sunken step the downthehole rubber bush that has plugged in of shaft hole main reed has the one end cladding in shaft hole to have a protection piece, the both ends of protection piece respectively by the upper and lower surface of main reed extends to behind the intermediate position of main reed pass through the fastener with main reed fixed connection. The utility model discloses a for reaching the performance and the factor of safety of former biplate guiding arm, change into single leaf spring, cancel the auxiliary spring, main spring material thickness increases 40% on former thickness basis to increase the screening glass and realize. The utility model discloses a compare with the biplate guiding arm, this light-duty guiding arm has the performance and the higher factor of safety of biplate guiding arm to alleviate 27% in weight, realize lightweight requirement. However, friction is likely to occur between the protective sheet and the tab, and abnormal noise is caused.
Disclosure of Invention
The utility model aims at overcoming the problem of friction and the abnormal sound that produces between monolithic spring and the book ear that prior art exists, providing a monolithic spring assembly, can separate screening glass and book ear, avoid the fracture of screening glass and reduce the abnormal sound that screening glass and book ear produced.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a single leaf spring assembly, single leaf spring assembly constitute by single leaf spring and screening glass, the front end of single leaf spring is provided with preceding eye, preceding eye in be equipped with the bush, the upper and lower surface of the outer peripheral surface of eye and the single leaf spring pole portion that links to each other before the screening glass cladding, the terminal of screening glass all extends to single leaf spring intermediate position on single leaf spring pole portion, the end of screening glass is fixed on single leaf spring through the locating pin, screening glass and preceding eye between be equipped with the locating piece.
The rear end of the single leaf spring is provided with a rear rolling lug, and a lining is arranged in the rear rolling lug.
And two positioning blocks are arranged in the direction vertical to the single leaf spring.
The protection piece on be equipped with and punch a hole, the locating piece is equipped with the arch towards the one side of protection piece, protruding embedding on the locating piece is to punching a hole.
The one side of locating piece orientation screening glass is convex cambered surface, the one side of locating piece orientation preceding book ear is concave cambered surface.
And a gasket is fixed between the positioning pin and the outer surface of the protective plate.
The protective sheet is made of metal materials or composite materials.
The positioning block is made of rubber materials.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in be equipped with the locating piece between protection piece and preceding eye, at single leaf spring during operation, single leaf spring and protection piece deformation volume are inconsistent, and then lead to there being the friction between the two, long-time friction can make protection piece deformation or attenuation, thereby take place the protection piece fracture, and the locating piece makes protection piece and preceding eye not direct contact, makes to have certain space between protection piece and the preceding eye, thereby make preceding eye and protection piece can not direct contact, reduce the abnormal sound that the contact produced simultaneously.
2. The utility model discloses in the locating piece be equipped with two in the direction of perpendicular to monolithic spring. The structure can prevent the protective sheet from contacting the front rolling ear, and prevent part of the protective sheet, especially the part of the protective sheet at the corner formed by the rod part of the single leaf spring connected with the rolling ear, from contacting the front rolling ear due to gravity.
3. The utility model discloses in the screening glass on be equipped with and punch a hole, the locating piece is equipped with the arch towards the one side of screening glass, protruding embedding on the locating piece is to punching a hole. When the protection plate is installed, the upper part and the lower part of the protection plate are firstly unfolded, the positioning block is fixed in a punched hole on the protection plate, then the positioning block is aligned with the front eye to be coated, and then the two ends of the protection plate are fixed in the middle of the single spring. The positioning block is simple to install and easy to operate.
4. The utility model discloses in the one side of locating piece orientation screening glass is convex cambered surface, the one side of spring eye before the locating piece orientation is concave cambered surface. So that the positioning block is not in clearance with the front rolling lug and the protective sheet, and the abrasion of the positioning block caused by long-time friction is avoided.
5. The utility model discloses in the surface of locating pin and screening glass between still be fixed with the gasket. The gasket is mainly used for adjusting the caster angle of the kingpin, the caster angle of the kingpin has influence on the steering and operating performance of the automobile, and meanwhile, the protective sheet is better fixed, and the fixing area is increased.
6. The utility model discloses in the screening glass make for metal material or combined material. The strength of the protection plate can be ensured to work for a long time, and the maintenance frequency is reduced.
7. The utility model discloses in the locating piece make for rubber materials. The positioning block made of rubber materials can be completely attached to the cambered surfaces of the protection plate and the lug, a contact gap cannot be generated, and abrasion caused by long-time friction of the positioning block, the protection plate and the lug is avoided.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a partial enlarged view of the middle part of the utility model:
FIG. 3 is a schematic view of a part of the structure of the protection sheet of the present invention;
fig. 4 is a schematic structural view of the positioning block of the present invention;
in the figure: 1. the single leaf spring comprises a single leaf spring, 2, a protective sheet, 3, a bushing, 4, a positioning pin, 5, a positioning block, 6, a gasket, 11, a front rolling lug, 12, a rear rolling lug, 21, a punching hole, 51 and a protrusion.
Detailed Description
The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.
Referring to fig. 1, the single leaf spring assembly is composed of a single leaf spring 1 and a protection plate 2, wherein a front rolling lug 11 is arranged at the front end of the single leaf spring 1, a bushing 3 is arranged in the front rolling lug 11, the protection plate 2 covers the outer circumferential surface of the front rolling lug 11 and the upper surface and the lower surface of the rod part of the single leaf spring 1 connected with the outer circumferential surface, the tail ends of the protection plate 2 on the upper surface and the lower surface of the rod part of the single leaf spring 1 extend to the middle position of the single leaf spring 1, the tail end of the protection plate 2 is fixed on the single leaf spring 1 through a positioning pin 4, and a positioning block 5 is arranged between the protection plate 2 and the front rolling lug 11.
The rear end of the single leaf spring 1 is provided with a rear rolling lug 12, and a bush 3 is arranged in the rear rolling lug 12.
Two positioning blocks 5 are arranged in the direction vertical to the single leaf spring 1.
Referring to fig. 3, a punched hole 21 is formed in the protection sheet 2, a protrusion 51 is formed on one surface of the positioning block 5 facing the protection sheet 2, and the protrusion 51 on the positioning block 5 is embedded into the punched hole 21.
Referring to fig. 4, one surface of the positioning block 5 facing the protection sheet 2 is a convex arc surface, and one surface of the positioning block 5 facing the front rolling lug 11 is a concave arc surface.
Referring to fig. 2, a gasket 6 is fixed between the positioning pin 4 and the outer surface of the protection sheet 2.
The protective sheet 2 is made of metal materials or composite materials.
The positioning block 5 is made of rubber materials.
When the protection sheet 2 is installed, the upper part and the lower part of the protection sheet 2 are firstly unfolded, the positioning block 5 is fixed in the punched hole on the protection sheet 2, then the positioning block 5 is aligned with the front rolling lug 11 for cladding, and then the tail end of the protection sheet 2 is fixed in the middle of the single leaf spring 1 through the positioning pin 4. The positioning block is simple to install and easy to operate.
Example 1:
referring to fig. 1, a single leaf spring assembly, the single leaf spring assembly is composed of a single leaf spring 1 and a protection plate 2, a front rolling lug 11 and a rear rolling lug 12 are arranged at the front end and the rear end of the single leaf spring 1, bushings 3 are arranged in the front rolling lug 11 and the rear rolling lug 12, the protection plate 2 covers the outer circumferential surface of the front rolling lug 11 and the upper surface and the lower surface of the rod part of the single leaf spring 1 connected with the outer circumferential surface, the tail ends of the upper surface and the lower surface of the rod part of the single leaf spring 2 extend to the middle position of the single leaf spring 1, the tail end of the protection plate 2 is fixed on the single leaf spring 1 through a positioning pin 4, referring to fig. 2, and a gasket 6 is fixed between the positioning pin 4 and the outer. When single leaf spring 1 breaks at the first half section that the vehicle went, protection glass 2 can also be continuous with single leaf spring 1 first half section and latter half section, and the front axle or the front axle that avoid this single leaf spring 1 to install take place backward displacement by a wide margin and interfere and turn to, avoid the potential safety hazard that single leaf spring 1 first half section fracture brought.
Protection piece 2 and preceding book ear 11 between be equipped with locating piece 5, at single leaf spring during operation, single leaf spring 1 and 2 deformation inconsistent of protection piece, and then lead to there being the friction between the two, long-time friction can make protection piece 2 warp or thinnings, thereby take place protection piece 2 fracture, and the locating piece makes protection piece 2 and preceding book ear 11 not direct contact, make to have certain space between protection piece 2 and the preceding book ear 11, thereby make preceding book ear 11 and protection piece 2 can not direct contact, reduce the abnormal sound that the contact produced simultaneously.
The two positioning blocks 5 are arranged in the direction perpendicular to the single leaf spring 1, so that the protection plate 2 and the front rolling lug 11 are not contacted with each other due to the structure, and the contact of part of the protection plate 12 and the front rolling lug 11 due to the gravity action is avoided.
The rod part of the single leaf spring 1 connected with the front rolling lug 11 is in a rising step shape.
The protective sheet 2 is made of metal materials or composite materials.
Referring to fig. 3 and 4, the protection sheet 2 be equipped with and punch a hole 21, the locating piece 5 is button form, and wherein it is equipped with arch 51 to go up the bottom surface, and lower bottom surface is the plane, the last bottom surface and the protection sheet contact of locating piece 5, the lower bottom surface and the eye contact of locating piece 5, arch 51 on the locating piece 5 is embedded into and punches a hole 21, the one side of locating piece 5 towards protection sheet 2 is the convex arc face, the one side of locating piece 5 towards preceding eye 11 is the concave arc face, the locating piece make for rubber materials.

Claims (8)

1. The utility model provides a single leaf spring assembly, single leaf spring assembly constitute by single leaf spring (1) and screening glass (2), the front end of single leaf spring (1) is provided with preceding eye (11), preceding eye (11) in be equipped with bush (3), screening glass (2) the outer peripheral surface of wrapping eye (11) before and the upper and lower surface of single leaf spring (1) pole portion that links to each other, screening glass (2) all extend to single leaf spring (1) intermediate position at the end of single leaf spring (1) pole portion upper and lower surface, the end of screening glass (2) is fixed on single leaf spring (1) through locating pin (4), its characterized in that: a positioning block (5) is arranged between the protection sheet (2) and the front rolling lug (11).
2. The single leaf spring assembly of claim 1, wherein: the rear end of the single leaf spring (1) is provided with a rear rolling lug (12), and a lining (3) is arranged in the rear rolling lug (12).
3. The single leaf spring assembly of claim 1, wherein: two positioning blocks (5) are arranged in the direction vertical to the single leaf spring (1).
4. The single leaf spring assembly of claim 1, wherein: screening plate (2) on be equipped with and punch a hole (21), locating piece (5) are equipped with arch (51) towards the one side of screening plate (2), arch (51) on locating piece (5) are embedded into and are punched a hole (21).
5. The single leaf spring assembly of claim 1, wherein: the one side of locating piece (5) orientation screening glass (2) is convex cambered surface, the one side of locating piece (5) orientation preceding eye (11) is concave cambered surface.
6. The single leaf spring assembly of claim 1, wherein: and a gasket (6) is fixed between the positioning pin (4) and the outer surface of the protection sheet (2).
7. The single leaf spring assembly of claim 1, wherein: the protective sheet (2) is made of metal materials or composite materials.
8. The single leaf spring assembly of claim 1, wherein: the positioning block (5) is made of rubber materials.
CN201921212847.0U 2019-07-30 2019-07-30 Single leaf spring assembly Active CN210484479U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921212847.0U CN210484479U (en) 2019-07-30 2019-07-30 Single leaf spring assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921212847.0U CN210484479U (en) 2019-07-30 2019-07-30 Single leaf spring assembly

Publications (1)

Publication Number Publication Date
CN210484479U true CN210484479U (en) 2020-05-08

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ID=70535114

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921212847.0U Active CN210484479U (en) 2019-07-30 2019-07-30 Single leaf spring assembly

Country Status (1)

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CN (1) CN210484479U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111810564A (en) * 2020-06-16 2020-10-23 东风汽车底盘系统有限公司 Single leaf spring for heavy truck
CN112013064A (en) * 2020-08-24 2020-12-01 东风商用车有限公司 Leaf spring assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111810564A (en) * 2020-06-16 2020-10-23 东风汽车底盘系统有限公司 Single leaf spring for heavy truck
CN112013064A (en) * 2020-08-24 2020-12-01 东风商用车有限公司 Leaf spring assembly

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