CN213039720U

CN213039720U - Leaf spring assembly behind light truck car

Info

Publication number: CN213039720U
Application number: CN202022087798.1U
Authority: CN
Inventors: 张周智
Original assignee: Jiangxi Hongli Auto Parts Co ltd
Current assignee: Jiangxi Hongli Auto Parts Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-04-23
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a leaf spring assembly behind light truck belongs to leaf spring processing technology field, and its technical essential includes central connecting block, the top fixed mounting of central connecting block has a plurality of first leaf springs, adjacent two the equal fixed connection in one side that first leaf spring is relative, the bottom fixed mounting of central connecting block has a plurality of second leaf springs, adjacent two the equal fixed connection in one side that the second leaf spring is relative. The utility model discloses a, whole device produces simultaneously through first leaf spring 2 and second leaf spring 3 and warp, play better buffering, when the damping effect, also can come for second leaf spring 3 to share pressure through first leaf spring 2, the life of product has been improved, and among this, when the inside leaf spring inner core 31 surface of second leaf spring 3 adopted first dope layer 32 and second dope layer 33 coating complex, the holistic performance of second leaf spring 3 has been increased.

Description

Leaf spring assembly behind light truck car

Technical Field

The utility model belongs to the technical field of leaf spring processing, concretely relates to leaf spring assembly behind light truck.

Background

The steel plate spring is an elastic element which is most widely applied in automobile suspensions, and is an elastic beam which is approximately equal in strength and formed by combining a plurality of alloy spring pieces which are equal in width but unequal in length (the thicknesses can be equal or unequal).

Because the automobile leaf spring is simple in structure and strong in applicability, the automobile leaf spring is widely used, the currently used automobile leaf spring is only formed by combining a plurality of steel plates, when an automobile vibrates, the damping effect is poor, the vibration is large, the steel plates are easy to break after long-time use, the service life is short, and the damage is easy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a leaf spring assembly behind light truck to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a leaf spring assembly behind light truck car, includes central connecting block, the top fixed mounting of central connecting block has a plurality of first leaf spring, adjacent two the equal fixed connection in one side that first leaf spring is relative, the bottom fixed mounting of central connecting block has a plurality of second leaf spring, adjacent two the equal fixed connection in one side that second leaf spring is relative, top the equal fixed mounting in the left and right sides of second leaf spring has the book ear.

Preferably, the bottom the equal fixed mounting in front and the back of second leaf spring has two spring clamps, adjacent two the equal fixedly connected with side positioning bolt in the opposite one side of spring clamp.

Preferably, the second steel plate spring comprises an inner core of the steel plate spring, a first coating layer is coated on the surface of the inner core of the steel plate spring, a second coating layer is coated on the surface of the first coating layer, the first coating layer is a phosphate lead powder material component, and the second coating layer is a synthetic resin material component.

Preferably, the top fixed mounting of first leaf spring has the locating plate, the top fixed mounting of locating plate has central bolt, a plurality of first leaf springs, central connecting block and a plurality of second leaf spring are run through in proper order and extend to the bottom in the bottom of central bolt second leaf spring's bottom.

Preferably, the curvature of each of the plurality of first leaf springs is greater than the curvature of each of the plurality of second leaf springs.

Preferably, two the inside of book ear all is provided with the holding ring, two the surface of holding ring all overlaps and is equipped with four locating pieces, adjacent two equal fixedly connected with connects the rubber band between the locating piece, and is a plurality of the surface of locating piece all with adjacent the inner wall fixed connection of book ear.

Compared with the prior art, the beneficial effects of the utility model are that: whole device changes the structure through only second leaf spring originally into and connects through central connecting block, including first leaf spring and second leaf spring as a common main part, form the dual structure, improve buffering efficiency, at last in addition the book ear of the left and right sides is accomplished and is connected and the location, thereby can guarantee when the road transmits to the impact force of wheel, first leaf spring produces simultaneously with second leaf spring and warp, play better buffering, in the damping effect, also can share pressure for second leaf spring through first leaf spring, the service life of product has been improved.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a partial perspective sectional view of a second leaf spring according to the present invention;

fig. 4 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a central connecting block; 2. a first leaf spring; 3. a second leaf spring; 31. a leaf spring inner core; 32. a first coating layer; 33. a second coating layer; 4. a center bolt; 5. a spring clip; 6. ear rolling; 7. a side positioning bolt; 8. positioning a plate; 9. a positioning ring; 10. positioning blocks; 11. and connecting the rubber band.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Embodiment 1, please refer to fig. 1-4, the present invention provides a rear leaf spring assembly for a light truck, which comprises a central connecting block 1, wherein a plurality of first leaf springs 2 are fixedly mounted on the top of the central connecting block 1, opposite sides of two adjacent first leaf springs 2 are fixedly connected, a plurality of second leaf springs 3 are fixedly mounted on the bottom of the central connecting block 1, opposite sides of two adjacent second leaf springs 3 are fixedly connected, and lugs 6 are fixedly mounted on the left and right sides of the top second leaf spring 3, the whole device changes the structure of only the second leaf spring 3 into the structure of connecting through the central connecting block 1, and the first leaf spring 2 and the second leaf spring 3 are used as a common main body, thereby forming a dual structure, improving the buffering efficiency, and finally completing the connection and positioning by adding the lugs 6 on the left and right sides, thereby can guarantee when the road transmits to the impact force of wheel, first leaf spring 2 produces deformation with second leaf spring 3 simultaneously, when playing better buffering, damping effect, also can come for second leaf spring 3 to share pressure through first leaf spring 2, has improved the life of product.

In this embodiment, preferably, two spring clamps 5 are fixedly mounted on the front surface and the back surface of the second bottom plate spring 3, a side positioning bolt 7 is fixedly connected to one side of each of two adjacent spring clamps 5, the two spring clamps 5 and the side positioning bolt 7 are arranged, the stabilizing effect between the front surface and the back surface of the first plate spring 2 and the second plate spring 3 can be improved, and the connection between the first plate spring and other parts of the automobile can be established.

In this embodiment, preferably, the second leaf spring 3 includes an inner leaf spring core 31, the surface of the inner leaf spring core 31 is coated with a first coating layer 32, the surface of the first coating layer 32 is coated with a second coating layer 33, the first coating layer 32 is a lead phosphate powder material member, the second coating layer 33 is a synthetic resin material member, the first coating layer 32 is made of an anticorrosive coating, the material is a liquid or solid material which can form a film to protect, decorate or have other special functions such as insulation, rust prevention, mildew prevention, heat resistance and the like when being coated on the surface of an object under certain conditions, the lead phosphate powder coating is an inorganic high temperature resistant coating, and has the characteristics of heat resistance, anti-diffusion and conductivity, the raw materials are cheap and easy to obtain, the preparation process is extremely simple, the coating is commonly used for coating the pole plate of a high-pressure electrostatic precipitator, the service life of the electric precipitator can be prolonged and the operation condition can be improved, when the two coatings are coated on the surface of the inner core 31 of the leaf spring and compounded, the overall performance of the second leaf spring 3 is improved, so that the center connecting block 1 has two characteristics of high temperature resistance and corrosion resistance, and the service life of the second leaf spring 3 is prolonged.

In this embodiment, it is preferable, the top fixed mounting of first leaf spring 2 has locating plate 8, the top fixed mounting of locating plate 8 has central bolt 4, a plurality of first leaf springs 2 are run through in proper order to the bottom of central bolt 4, central connecting block 1 and a plurality of second leaf spring 3 and extend to the bottom of bottom second leaf spring 3, be connected between whole structure and other parts of car can be established in central bolt 4's setting, add locating plate 8 can be better location central bolt 4, also make things convenient for the operator to seek the position of finding central bolt 4 through locating plate 8.

In this embodiment, preferably, the curvature radians of the first leaf springs 2 are greater than the curvature radians of the second leaf springs 3, the first leaf spring 2 at the top is greater than the second leaf spring 3 at the bottom, so that the first leaf spring 2 can receive the anti-seismic effect first, and after buffering a part of force, the force shared by the second leaf spring 3 becomes less, thereby achieving the effect of protecting the second leaf spring 3 by increasing the first leaf spring 2.

In the case of the example 2, the following examples are given,

the top fixed mounting of central connecting block 1 has a plurality of first leaf springs 2, the equal fixed connection in one side that two adjacent first leaf springs 2 are relative, the bottom fixed mounting of central connecting block 1 has a plurality of second leaf springs 3, the equal fixed connection in one side that two adjacent second leaf springs 3 are relative, the equal fixed mounting in the left and right sides of top second leaf spring 3 has a book ear 6.

In this embodiment, preferably, two spring clips 5 are fixedly mounted on the front surface and the back surface of the second bottom leaf spring 3, and a side positioning bolt 7 is fixedly connected to one side opposite to each of the two adjacent spring clips 5.

In this embodiment, preferably, the second leaf spring 3 includes an inner leaf spring core 31, the surface of the inner leaf spring core 31 is coated with a first coating layer 32, the surface of the first coating layer 32 is coated with a second coating layer 33, the first coating layer 32 is a lead phosphate powder material member, and the first coating layer 32 is a synthetic resin material member.

In this embodiment, preferably, the positioning plate 8 is fixedly mounted on the top of the first leaf spring 2, the central bolt 4 is fixedly mounted on the top of the positioning plate 8, and the bottom end of the central bolt 4 sequentially penetrates through the plurality of first leaf springs 2, the central connecting block 1 and the plurality of second leaf springs 3 and extends to the bottom of the second leaf spring 3 at the bottom.

In the present embodiment, the curvature of the first leaf springs 2 is preferably greater than the curvature of the second leaf springs 3.

In this embodiment, it is preferred, two book ears 6's inside all is provided with holding ring 9, two holding ring 9's surface all overlaps and is equipped with four locating pieces 10, equal fixedly connected with connection rubber 11 between two adjacent locating pieces 10, the surface of a plurality of locating pieces 10 all with adjacent book ear 6's inner wall fixed connection, whole device is stereotyped the crooked radian of book ear 6 through being provided with holding ring 9, prevent that long-time use from leading to the deformation of book ear 6, and it has locating piece 10 and connection rubber 11 to increase, can cushion the effect when book ear 6 receives the impact, thereby the effectual life who improves the device.

The utility model discloses a theory of operation: in the device, the connection between a first steel plate spring 2 and a second steel plate spring 3 is established through a central connecting block 1, the first steel plate spring 2 and the second steel plate spring 3 deform at the same time, so that the buffer and vibration reduction effects are better achieved, the first steel plate spring 2 can also share the pressure for the second steel plate spring 3, thereby prolonging the service life of the product, and in this, when the surface of the inner core 31 of the second leaf spring 3 is coated with the first coating layer 32 and the second coating layer 33, the overall performance of the second leaf spring 3 is increased, so that the central connecting block 1 has two characteristics of high temperature resistance and corrosion resistance, the service life of the second leaf spring 3 is prolonged, the structure formed by the positioning ring 9, the positioning block 10 and the connecting rubber band 11 is additionally arranged in the two winding ears 6 for positioning, so that the service life of the whole device is prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a leaf spring assembly behind light truck car, includes central connecting block (1), its characterized in that: the top fixed mounting of center connecting block (1) has a plurality of first leaf spring (2), adjacent two the equal fixed connection in one side that first leaf spring (2) is relative, the bottom fixed mounting of center connecting block (1) has a plurality of second leaf spring (3), adjacent two the equal fixed connection in one side that second leaf spring (3) is relative, top the equal fixed mounting in the left and right sides of second leaf spring (3) has eye (6).

2. The rear leaf spring assembly of a light truck as claimed in claim 1, wherein: the bottom the front and the back of second leaf spring (3) are all fixedly mounted with two spring clamps (5), adjacent two the equal fixedly connected with side positioning bolt (7) in the relative one side of spring clamp (5).

3. The rear leaf spring assembly of a light truck as claimed in claim 1, wherein: the second steel plate spring (3) comprises a steel plate spring inner core (31), a first coating layer (32) is coated on the surface of the steel plate spring inner core (31), a second coating layer (33) is coated on the surface of the first coating layer (32), the first coating layer (32) is a phosphate lead powder material component, and the second coating layer (33) is a synthetic resin material component.

4. The rear leaf spring assembly of a light truck as claimed in claim 1, wherein: the top fixed mounting of first leaf spring (2) has locating plate (8), the top fixed mounting of locating plate (8) has central bolt (4), the bottom of central bolt (4) runs through a plurality of first leaf springs (2), central connecting block (1) and a plurality of second leaf spring (3) in proper order and extends to the bottom of second leaf spring (3).

5. The rear leaf spring assembly of a light truck as claimed in claim 1, wherein: the bending radian of the first plate springs (2) is larger than that of the second plate springs (3).

6. The rear leaf spring assembly of a light truck as claimed in claim 1, wherein: two the inside of book ear (6) all is provided with holding ring (9), two the surface of holding ring (9) all overlaps and is equipped with four locating pieces (10), adjacent two equal fixedly connected with connection rubber band (11), a plurality of between locating piece (10) the surface of locating piece (10) all with adjacent the inner wall fixed connection of book ear (6).