CN215474298U - Vehicle leaf spring assembly - Google Patents

Abstract

The utility model relates to the technical field of vehicle chassis systems, in particular to a vehicle plate spring assembly which reduces relative friction collision and noise pollution between plate springs, provides certain buffer and has high durability and environmental protection; including the main leaf spring, two lugs, a plurality of vice leaf springs, a plurality of spacers, the plug of punching, lock nut, two buckles, two buckle bolts, two spacers and two cushion collars, the both ends of main leaf spring are provided with the lug, a plurality of vice leaf springs are arranged according to length in proper order with the main leaf spring, insert a spacer between two leaf springs, the main leaf spring, the middle part of a plurality of vice leaf springs and a plurality of spacers all is provided with the through-hole, the cooperation of plug of punching and lock nut is with a plurality of vice leaf springs, a plurality of spacers and main leaf spring locking, the buckle is installed at the both ends of leaf spring, two buckles and two buckle bolt cooperations are with a plurality of vice leaf springs, the spacing card of a plurality of spacers and main leaf spring is solid, two equal overcoat of buckle bolt have the spacer, two cushion collars are installed respectively in two lugs.

Description

Vehicle leaf spring assembly

Technical Field

The utility model relates to the technical field of vehicle chassis systems, in particular to a vehicle plate spring assembly.

Background

The vehicle plate spring assembly is an important part for connecting a frame and an axle in a vehicle chassis system and plays a role in damping and buffering, a common vehicle plate spring is formed by sequentially overlapping a plurality of plate spring pieces with different lengths and is fixed through a fastening connecting piece, in the running process of a vehicle, the load and road conditions are complex and changeable, the plate spring assembly is stressed to generate various deformations simultaneously, and because the deformations of the plurality of plate springs are different, relative friction and collision among the plurality of plate springs cause abrasion, the limit condition is even a torsional plate spring, and meanwhile, noise pollution is generated when the plate springs collide and rub

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a vehicle plate spring assembly which reduces relative friction collision and noise pollution between plate springs, provides certain buffering and has high durability and environmental protection.

The utility model relates to a vehicle leaf spring assembly, which comprises a main leaf spring, two lifting lugs, a plurality of auxiliary leaf springs, a plurality of spacers, a piercing bolt, a lock nut, two buckles, two buckle bolts, two spacers and two buffer sleeves, wherein the lifting lugs are arranged at two ends of the main leaf spring, the plurality of auxiliary leaf springs are sequentially arranged according to length, one spacer is inserted between each two auxiliary leaf springs, the spacers are inserted between the auxiliary leaf springs and the main leaf spring, through holes are formed in the middles of the main leaf spring, the plurality of auxiliary leaf springs and the plurality of spacers, the piercing bolt sequentially penetrates through the plurality of auxiliary leaf springs, the plurality of spacers and the main leaf spring and is locked through the lock nut, the buckles are arranged at two ends of the auxiliary leaf springs, the plurality of spacers and the main leaf spring are limited and clamped by installing the two buckle bolts, the spacers are sleeved outside the two buckle bolts, the outer circumferential surfaces of the two isolation sleeves are both contacted with the upper end surface of the main leaf spring, two cushion bushes are respectively installed in the two lifting lugs.

The utility model relates to a vehicle plate spring assembly, which further comprises an axle cushion block, an axle, two U-shaped bolts, two plate spring clamping plates and a plurality of U-shaped nuts, wherein the axle cushion block is installed on the lower end surface of an auxiliary plate spring, an axle limiting groove is formed in the lower end surface of the axle cushion block, a buffer layer is arranged in the axle limiting groove of the axle cushion block, the axle is positioned in the limiting groove of the axle cushion block, the two U-shaped bolts are respectively provided with a U-shaped ring and two threaded rods, the two U-shaped bolts are respectively positioned on two sides of the axle cushion block, the axle is clamped by the U-shaped rings of the two U-shaped bolts, the two plate spring clamping plates are respectively fastened on the plurality of threaded rods of the two U-shaped bolts through the plurality of U-shaped nuts, and the two U-shaped bolts, the two plate spring clamping plates and the plurality of U-shaped nuts are matched to fasten the axle, a main plate spring and the auxiliary plate spring together.

The vehicle plate spring assembly provided by the utility model is characterized in that the buffer sleeve further comprises a metal sleeve, a buffer layer and a buffer shaft pin, the outer side wall of the metal sleeve is in contact with the inner side wall of the lifting lug, the buffer layer is arranged on the inner side of the metal sleeve, the edges of the two ends of the metal sleeve extend inwards to be half wrapped on the buffer layer, and the buffer shaft pin is arranged in the center of the buffer layer.

The vehicle leaf spring assembly further comprises two connecting plates, a rear mounting seat, a connecting pin and a vehicle frame, wherein two of the two connecting plates are provided with connecting holes, the lower end connecting holes of the two connecting plates are respectively connected with two ends of a buffering shaft pin at the rear part of the leaf spring assembly, the upper ends of the two connecting plates are connected with the rear mounting seat through the connecting pin, and the rear mounting seat is mounted on the lower end face of the vehicle frame.

The vehicle plate spring assembly further comprises a front mounting seat, the front mounting seat is mounted on the lower end face of the vehicle frame and is located in front of the rear mounting seat, and the front mounting seat is connected with the buffering shaft pin in the front of the plate spring assembly.

According to the vehicle leaf spring assembly, the lower end faces of the two leaf spring clamping plates are respectively provided with the leaf spring clamping blocks.

Compared with the prior art, the utility model has the beneficial effects that: set up the spacer between a plurality of vice leaf springs and the main leaf spring, reduce the relative friction collision between the multi-disc leaf spring, reduce wear through setting up two cushion collar, provides certain buffering deformation under the limit condition and avoids twisting off the board reed, produces noise pollution when less leaf spring collision friction simultaneously, improves the durability and the feature of environmental protection of leaf spring assembly.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a front view configuration of the present invention;

FIG. 3 is a schematic view of the primary and secondary leaf spring configurations of the present invention;

FIG. 4 is a partially enlarged structural view of the cushion collar of the present invention;

in the drawings, the reference numbers: 1. a main leaf spring; 2. lifting lugs; 3. an auxiliary plate spring; 4. a separator; 5. punching the core bolt; 6. locking the nut; 7. buckling; 8. a buckle bolt; 9. an isolation sleeve; 10. a buffer sleeve; 11. an axle cushion block; 12. an axle; 13. a U-shaped bolt; 14. a plate spring snap gauge; 15. a U-shaped nut; 16. a metal sleeve; 17. a buffer layer; 18. buffering the shaft pin; 19. a connecting plate; 20. A rear mounting seat; 21. a connecting pin; 22. a frame; 23. a front mounting seat.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1 to 4, a vehicle leaf spring assembly according to the present invention includes a main leaf spring 1, two lifting lugs 2, a plurality of auxiliary leaf springs 3, a plurality of spacers 4, a piercing bolt 5, a lock nut 6, two buckles 7, two buckle bolts 8, two spacer sleeves 9 and two buffer sleeves 10, wherein the lifting lugs 2 are disposed at both ends of the main leaf spring 1, the plurality of auxiliary leaf springs 3 are sequentially arranged according to length, one spacer 4 is inserted between each two auxiliary leaf springs 3, the spacer 4 is inserted between the auxiliary leaf springs 3 and the main leaf spring 1, through holes are disposed at the middle portions of the main leaf spring 1, the plurality of auxiliary leaf springs 3 and the plurality of spacer 4, the piercing bolt 5 sequentially penetrates the plurality of auxiliary leaf springs 3, the plurality of spacer 4 and the main leaf spring 1 and is locked by the lock nut 6, the buckles 7 are disposed at both ends of the auxiliary leaf springs 3, and the plurality of auxiliary leaf springs 3, the two buckles 7 are disposed by installing the two buckle bolts 8, The isolating pieces 4 are fixedly clamped with the main plate spring 1 in a limiting way, isolating sleeves 9 are sleeved outside the two buckling bolts 8, the outer circumferential surfaces of the two isolating sleeves 9 are in contact with the upper end surface of the main plate spring 1, and the two buffer sleeves 10 are respectively installed in the two lifting lugs 2; set up spacer 4 between through a plurality of vice leaf springs 3 and the main leaf spring 1, reduce the relative friction collision between the multi-disc leaf spring, reduce wear through setting up two cushion collar 10, provides certain buffering deformation under the limit condition and avoids twisting off the board reed, produces noise pollution when less leaf spring collision friction simultaneously, improves the durability and the feature of environmental protection of leaf spring assembly.

The vehicle plate spring assembly further comprises an axle cushion block 11, an axle 12, two U-shaped bolts 13, two plate spring clamping plates 14 and a plurality of U-shaped nuts 15, wherein the lower end surface of the auxiliary plate spring 3 is provided with the axle cushion block 11, the lower end surface of the axle cushion block 11 is provided with an axle limiting groove, a buffer layer is arranged in the axle limiting groove of the axle cushion block 11, the axle 12 is positioned in the limiting groove of the axle cushion block 11, the two U-shaped bolts 13 are respectively provided with a U-shaped ring and two threaded rods, the two U-shaped bolts 13 are respectively positioned at the two sides of the axle cushion block 11, the axle 12 is clamped by the U-shaped rings of the two U-shaped bolts 13, the two plate spring clamping plates 14 are respectively fastened on a plurality of threaded rods of the two U-shaped bolts 13 through a plurality of U-shaped nuts 15, and the axle 12, the main plate spring 1 and the auxiliary plate spring 3 are fastened together by matching the two U-shaped bolts 13, the two plate spring clamping plates 14 and the plurality of U-shaped nuts 15; through two U type bolts 13, two leaf spring cardboard 14 and a plurality of U type nut 15 cooperation with axle 12 and main leaf spring 1 with the fastening of subplate spring 3 together, simple structure is reliable and stable, and wherein U type bolt 13, leaf spring cardboard 14 are the standard component, the design and the assembly of being convenient for improve leaf spring assembly reliability and economic nature.

According to the vehicle plate spring assembly, the buffer sleeve 10 further comprises a metal sleeve 16, a buffer layer 17 and a buffer shaft pin 18, the outer side wall of the metal sleeve 16 is in contact with the inner side wall of the lifting lug 2, the buffer layer 17 is arranged on the inner side of the metal sleeve 16, the edges of two ends of the metal sleeve 16 extend inwards to be wrapped by the buffer layer 17 in a half-wrapping mode, and the buffer shaft pin 18 is arranged in the center of the buffer layer 17; by the arrangement, the metal sleeve 16 and the buffer layer 17 are not separated when the plate spring receives torsional moment, and the reliability is improved.

The vehicle leaf spring assembly further comprises two connecting plates 19, a rear mounting seat 20, connecting pins 21 and a vehicle frame 22, wherein two of the two connecting plates 19 are respectively provided with a connecting hole, the lower end connecting holes of the two connecting plates 19 are respectively connected with two ends of a buffering shaft pin 18 at the rear part of the leaf spring assembly, the upper ends of the two connecting plates 19 are connected with the rear mounting seat 20 through the connecting pins 21, and the rear mounting seat 20 is mounted on the lower end face of the vehicle frame 22. (ii) a The rear end of the plate spring assembly is connected with the frame 22 through the matching of the two connecting plates 19 and the buffering shaft pin 18, when the axle moves up and down, the axle presses the plate spring to deform, the buffering shaft pin 18 pushes the two connecting plates 19 to swing back and forth, the phenomenon that the stress is overlarge when the plate spring deforms is avoided, and the overall reliability is improved.

The vehicle leaf spring assembly further comprises a front mounting seat 23, wherein the front mounting seat 23 is mounted on the lower end face of the vehicle frame 22, the front mounting seat 23 is positioned in front of the rear mounting seat 20, and the front mounting seat 23 is connected with the buffering shaft pin 18 in the front of the leaf spring assembly; through the arrangement, the acting force generated by the wheels is transmitted to the frame 22 through the front mounting seat 23 to drive the vehicle to move integrally, the transmission effect is direct, stable and efficient, and the overall dynamic performance is improved.

According to the vehicle plate spring assembly, the lower end surfaces of the two plate spring clamping plates 14 are respectively provided with a plate spring clamping block; the plate spring is clamped through the plate spring clamping block, so that the angle deviation between the axle and the plate spring is avoided, and the stability of the plate spring assembly is improved.

The vehicle plate spring assembly of the utility model is operated, firstly, the spacers 4 are arranged between the plurality of auxiliary plate springs 3 and the main plate spring 1 to reduce the relative friction and collision between the plurality of plate springs, the two buffer sleeves 10 are arranged to provide certain buffer deformation under the limit condition to avoid twisting off the plate springs, then the two U-shaped bolts 13, the two plate spring clamping plates 14 and the plurality of U-shaped nuts 15 are matched to fasten the axle 12 and the main plate spring 1 with the auxiliary plate springs 3 together, the plate spring clamping blocks of the plate spring clamping plates 14 clamp the plate springs to avoid the angular deviation between the axle and the plate springs,

then the acting force generated by the wheels is transmitted to the frame 22 through the front mounting seat 23 to drive the vehicle to move integrally, the rear end of the plate spring assembly is connected with the frame 22 through the matching of the two connecting plates 19 and the buffer shaft pin 18, when the axle moves up and down, the axle presses the plate spring to deform, and the buffer shaft pin 18 pushes the two connecting plates 19 to swing back and forth.

The vehicle leaf spring assembly provided by the utility model has the advantages that the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the vehicle leaf spring assembly can be implemented as long as the beneficial effects can be achieved.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (6)

1. A vehicle plate spring assembly is characterized by comprising a main plate spring (1), two lifting lugs (2), a plurality of auxiliary plate springs (3), a plurality of spacers (4), a piercing bolt (5), a locking nut (6), two buckles (7), two buckling bolts (8), two spacers (9) and two buffer sleeves (10), wherein the lifting lugs (2) are arranged at two ends of the main plate spring (1), the auxiliary plate springs (3) are sequentially arranged according to the length, one spacer (4) is inserted between every two auxiliary plate springs (3), the spacer (4) is inserted between the auxiliary plate spring (3) and the main plate spring (1), through holes are formed in the middles of the main plate spring (1), the auxiliary plate springs (3) and the spacers (4), the piercing bolt (5) sequentially penetrates through the auxiliary plate springs (3), the spacers (4) and the main plate spring (1) and is locked by the locking nut (6), buckles (7) are installed at the two ends of the auxiliary plate spring (3), the auxiliary plate springs (3) are clamped and fixed by the two buckles (7) through installing two buckle bolts (8), the isolation pieces (4) and the main plate spring (1) are limited, isolation sleeves (9) are sleeved outside the two buckle bolts (8), the outer circumferential surfaces of the two isolation sleeves (9) are in contact with the upper end face of the main plate spring (1), and the two buffer sleeves (10) are installed in the two lifting lugs (2) respectively.

2. The vehicle plate spring assembly according to claim 1, further comprising an axle pad (11), an axle (12), two U-shaped bolts (13), two plate spring catch plates (14), and a plurality of U-shaped nuts (15), wherein the axle pad (11) is installed on the lower end surface of the secondary plate spring (3), the lower end surface of the axle pad (11) is provided with an axle limiting groove, a buffer layer is arranged in the axle limiting groove of the axle pad (11), the axle (12) is positioned in the limiting groove of the axle pad (11), the two U-shaped bolts (13) are respectively provided with a U-shaped ring and two threaded rods, the two U-shaped bolts (13) are respectively positioned on both sides of the axle pad (11), and the U-shaped rings of the two U-shaped bolts (13) are respectively clamped on the axle (12), the two plate spring catch plates (14) are respectively fastened on the plurality of threaded rods of the two U-shaped bolts (13) through the plurality of U-shaped nuts (15), the axle (12), the main leaf spring (1) and the auxiliary leaf spring (3) are fastened together by matching two U-shaped bolts (13), two leaf spring clamping plates (14) and a plurality of U-shaped nuts (15).

3. The vehicle plate spring assembly according to claim 1, wherein the buffer sleeve (10) further comprises a metal sleeve (16), a buffer layer (17) and a buffer shaft pin (18), the outer side wall of the metal sleeve (16) is in contact with the inner side wall of the lifting lug (2), the buffer layer (17) is arranged on the inner side of the metal sleeve (16), the two end edges of the metal sleeve (16) extend inwards to be semi-wrapped around the buffer layer (17), and the buffer shaft pin (18) is arranged in the center of the buffer layer (17).

4. The vehicle leaf spring assembly according to claim 1, further comprising two connecting plates (19), a rear mounting seat (20), a connecting pin (21) and a frame (22), wherein two of the two connecting plates (19) are provided with connecting holes, the lower end connecting holes of the two connecting plates (19) are respectively connected with two ends of a buffering shaft pin (18) at the rear part of the leaf spring assembly, the upper ends of the two connecting plates (19) are connected with the rear mounting seat (20) through the connecting pin (21), and the rear mounting seat (20) is mounted on the lower end surface of the frame (22).

5. A vehicle leaf spring assembly according to claim 1 further comprising a front mounting seat (23), the front mounting seat (23) being mounted on the lower end face of the frame (22), the front mounting seat (23) being located forwardly of the rear mounting seat (20), the front mounting seat (23) being connected to the damping axle pin (18) at the front of the leaf spring assembly.

6. A vehicle leaf spring assembly according to claim 2, characterised in that the lower end faces of both leaf spring catch plates (14) are provided with leaf spring clips.

Images