CN217234218U

CN217234218U - Rivet-free wear-resistant plate spring

Info

Publication number: CN217234218U
Application number: CN202221212787.4U
Authority: CN
Inventors: 周晓军; 周广伟; 于思义; 林玲; 周伟炜; 孙喜红; 王昆玉
Original assignee: Shandong Shuangli Plate Spring Co ltd
Current assignee: Shandong Shuangli Plate Spring Co ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-08-19
Anticipated expiration: 2032-05-20

Abstract

The utility model discloses a wear-resisting leaf spring of no rivet belongs to leaf spring technical field, its technical scheme main points include the slab subassembly, the slab subassembly includes a plurality of stack from top to bottom and length by the first slab that increases in proper order on going, second slab and third slab, the both ends of connecting rod run through the slotted hole of hoop about both sides respectively and extend to the inside of two welding mouths respectively to with the both ends and two welding mouth internal weld of connecting rod, be convenient for fix the connecting rod both ends, be convenient for fix a plurality of slabs. And the connecting rod both ends all are located the inside of weld joint, do not extend to the outside of hoop, compare traditional rivet connection structure, effectively avoid the outside condition that leads to leaf spring installation accuracy to reduce of rivet protrusion slab, increase of service life has solved current leaf spring rivet protrusion outside the plate body, influences the installation accuracy of leaf spring, and easy wearing and tearing after leaf spring outer wall and foreign object friction simultaneously, the problem that leaf spring life is short.

Description

Rivet-free wear-resistant plate spring

Technical Field

The utility model relates to a leaf spring technical field, in particular to wear-resisting leaf spring of no rivet.

Background

Leaf springs (Leaf springs), or Leaf springs for short, are plate springs made of a stack of not less than 1 piece of spring steel, which are commonly used in wheel vehicle suspensions, and were originally called laminated or bracket springs, sometimes called semi-oval springs or trolley springs, which are one of the oldest spring types and can be traced back to the middle century.

Each slab of current leaf spring is generally through the tight screen tight connection of the tight roll screen of rivet and outside and forms an overall structure, and the rivet protrusion influences the installation accuracy of leaf spring in the plate body outside, and leaf spring outer wall easily weares and teares after rubbing with the foreign object simultaneously, and leaf spring life is short.

Disclosure of Invention

The utility model discloses to above problem, provide a wear-resisting leaf spring of no rivet and solve above-mentioned problem.

The utility model discloses a realize like this, a wear-resisting leaf spring of no rivet, including the slab subassembly, the slab subassembly includes a plurality of stack from top to bottom and length from first slab, second slab and the third slab that increases in proper order on going, and the hoop has all been cup jointed to the outer wall left and right sides of first slab, second slab and third slab.

For the convenience of peg graft connecting rod, as the utility model discloses a wear-resisting leaf spring of no rivet is preferred, the outer wall left and right sides of first slab, second slab and third slab all runs through the through-hole of offering wait big and axle center coincidence.

For the convenience of connecting a plurality of fixed slabs, as the utility model discloses a wear-resisting leaf spring of no rivet is preferred, the outer wall left and right sides of first slab, second slab and third slab all is provided with the connecting rod, and the connecting rod runs through the through-hole that is located first slab, second slab and third slab outer wall in proper order.

For the convenience of fixing a plurality of slabs, as the utility model discloses a wear-resisting leaf spring of no rivet is preferred, both sides all run through about the outer wall of hoop and have seted up the slotted hole, and the welding mouth with the slotted hole intercommunication is all seted up to one side that two slotted holes carried on the back mutually, and the both ends of connecting rod run through two slotted holes respectively and extend to the inside of two welding mouths respectively.

In order to improve joint strength, as the utility model discloses a wear-resisting leaf spring of no rivet is preferred, the both ends of connecting rod respectively with the inboard welding of two welding mouths.

In order to improve the wearability of slab outer wall, conduct the utility model discloses a wear-resisting leaf spring of no rivet is preferred, the wear-resisting lug that the up end fixedly connected with of hoop spare a plurality of protrusions set up.

Compared with the prior art, the beneficial effects of the utility model are that:

pass the connecting rod in proper order and be located the through-hole of first slab, second slab and third slab outer wall to connect a plurality of slabs, after the connecting rod passed the through-hole that is located first slab, second slab and third slab outer wall in proper order, the both ends of connecting rod run through the slotted hole of hoop about both sides respectively and extend to the inside of two welding mouths respectively, thereby with the both ends and two welding mouth internal weld of connecting rod, be convenient for fix the connecting rod both ends, thereby fix a plurality of slabs. Because the connecting rod both ends all are located the inside of weld joint, do not extend to the outside of hoop, compare traditional rivet connection structure, effectively avoid the outside condition that leads to leaf spring installation accuracy to reduce of rivet protrusion slab, extension leaf spring life.

The wear-resisting lug that the up end fixedly connected with of hoop spare a plurality of protrusions set up, wear-resisting lug compares hoop spare outer wall with hoop spare formula structure as an organic whole for the protrusion setting, at first rubs with wear-resisting lug butt when contacting with the outside to avoid rubbing the whole leaf spring, extension leaf spring life.

Drawings

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

FIG. 2 is a schematic view of the through hole structure of the present invention;

FIG. 3 is a schematic view of the structure of the connecting rod of the present invention;

FIG. 4 is a side view cross-sectional structural view of the hoop of the present invention;

FIG. 5 is a top view of the hoop;

in the figure, 1, a first plate; 2. a second sheet; 3. a third plate; 4. a hoop member; 5. a through hole; 6. a connecting rod; 7. a slot; 8. welding a port; 9. wear-resistant bumps.

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.

Referring to fig. 1-5, a rivet-free wear-resistant plate spring comprises a plate assembly, wherein the plate assembly comprises a plurality of first plates 1, second plates 2 and third plates 3 which are mutually overlapped up and down and sequentially increased in length from bottom to top, and the left side and the right side of the outer walls of the first plates 1, the second plates 2 and the third plates 3 are respectively sleeved with a hoop 4.

In this embodiment: first slab 1, second slab 2 and third slab 3 from the top down superpose in proper order, and length increases by lower to last in proper order, and first slab 1, second slab 2 and third slab 3 are rolled up hoop through two hoop 4 and are fixed.

The left and right sides of the outer walls of the first plate 1, the second plate 2 and the third plate 3 are all penetrated by through holes 5 with equal size and coincident axes. The outer walls of the first plate 1, the second plate 2 and the third plate 3 are all penetrated through by through holes 5 which are as large as the size of the plates and the axes of which are coincident, so that the connecting rods 6 can conveniently penetrate through the plates. The outer wall left and right sides of first slab 1, second slab 2 and third slab 3 all is provided with connecting rod 6, and connecting rod 6 runs through the through-hole 5 that is located first slab 1,

second slab

2 and 3 outer walls of third slab in proper order. The connecting rods 6 sequentially penetrate through the through holes 5 on the outer walls of the first plate 1, the second plate 2 and the third plate 3, so that the plates are connected.

Both sides all run through about the outer wall of hoop 4 and have seted up slotted hole 7, and the welding mouth 8 with slotted hole 7 intercommunication is all seted up to one side that two slotted holes 7 carried on the back mutually, and two slotted holes 7 are run through respectively and extend to the inside of two welding mouths 8 respectively at the both ends of connecting rod 6. After connecting rod 6 passed through the through-hole 5 that is located first slab 1,

second slab

2 and 3 outer walls of third slab in proper order, the both ends of connecting rod 6 run through the slotted hole 7 of hoop 4 upper and lower both sides respectively and extend to the inside of two welding mouths 8 respectively to with the both ends of connecting rod 6 and the inside welding of two welding mouths 8, be convenient for fix connecting rod 6 both ends, thereby fix a plurality of slabs. Because 6 both ends of connecting rod all are located the inside of weld bond 8, do not extend to the outside of hoop 4, compare traditional rivet connection structure, effectively avoid the outside condition that leads to the leaf spring installation accuracy to reduce of rivet protrusion slab, extension leaf spring life.

The two ends of the connecting rod 6 are respectively welded with the inner sides of the two welding ports 8. The both ends of connecting rod 6 are welded with the inboard of two welding mouths 8 respectively, have improved the firm in connection nature at connecting rod 6 both ends.

The upper end face of the hoop 4 is fixedly connected with a plurality of wear-resistant lugs 9 which are arranged in a protruding mode. The wear-resisting lug 9 that the up end fixedly connected with of hoop 4 set up, wear-resisting

lug

9 and 4 formula structures as an organic whole of hoop compare hoop 4 outer wall and set up for the protrusion, at first rub with 9 butt of wear-resisting lug when contacting with the outside to avoid rubbing increase of service life to the leaf spring is whole.

The utility model discloses a theory of operation and use flow:

pass connecting rod 6 in proper order and be located first slab 1, the through-hole 5 of

second slab

2 and 3 outer walls of third slab, thereby connect a plurality of slabs, pass in proper order when connecting rod 6 and be located first slab 1, behind the through-hole 5 of

second slab

2 and 3 outer walls of third slab, the slotted hole 7 of both sides about hoop 4 is run through respectively at the both ends of connecting rod 6 and extend to the inside of two welding mouths 8 respectively, thereby with the both ends of connecting rod 6 and two welding mouths 8 inside weld, be convenient for fix 6 both ends of connecting rod, thereby fix a plurality of slabs. And because connecting rod 6 both ends all are located the inside of weld joint 8, do not extend to the outside of hoop 4, compare traditional rivet connection structure, effectively avoid the outside condition that leads to leaf spring installation accuracy to reduce of rivet protrusion slab, extension leaf spring life. The wear-resisting lug 9 that the up end fixedly connected with of hoop 4 a plurality of protrusions set up, wear-resisting

lug

9 and 4 formula structures as an organic whole of hoop compare hoop 4 outer walls and set up for the protrusion, at first rub with 9 butt of wear-resisting lug when contacting with the outside to avoid rubbing the leaf spring wholly, extension leaf spring life.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a wear-resisting leaf spring of no rivet, includes the slab subassembly, its characterized in that: the plate assembly comprises a plurality of first plates (1), second plates (2) and third plates (3) which are mutually overlapped from top to bottom and are sequentially increased in length from bottom to top, and hoop parts (4) are sleeved on the left side and the right side of the outer walls of the first plates (1), the second plates (2) and the third plates (3).

2. A rivetless wear resistant leaf spring according to claim 1 wherein: the left side and the right side of the outer walls of the first plate (1), the second plate (2) and the third plate (3) are all penetrated by through holes (5) which are equal in size and coincide in axis.

3. A rivetless wear resistant leaf spring according to claim 2 wherein: the outer wall left and right sides of first slab (1), second slab (2) and third slab (3) all is provided with connecting rod (6), connecting rod (6) run through-hole (5) that are located first slab (1), second slab (2) and third slab (3) outer wall in proper order.

4. A rivetless wear resistant leaf spring according to claim 3 wherein: both sides all run through about the outer wall of hoop (4) and have seted up slotted hole (7), two welding mouth (8) with slotted hole (7) intercommunication are all seted up to one side that slotted hole (7) carried on the back mutually, the both ends of connecting rod (6) run through two slotted holes (7) respectively and extend to the inside of two welding mouths (8) respectively.

5. The rivetless, wear-resistant leaf spring of claim 4 wherein: the two ends of the connecting rod (6) are respectively welded with the inner sides of the two welding ports (8).

6. A rivetless wear resistant leaf spring according to claim 1 wherein: the upper end face of the hoop (4) is fixedly connected with a plurality of wear-resistant lugs (9) which are arranged in a protruding mode.