CN213039721U

CN213039721U - Variable cross-section leaf spring for lorry

Info

Publication number: CN213039721U
Application number: CN202022089485.XU
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 variable cross section leaf spring for lorry belongs to leaf spring technical field, and its technical essential includes steel sheet main part, first threaded rod, dead lever, rolls up board, connecting plate and second threaded rod, steel sheet main part both sides top all is fixed with deposits oil box, deposit the steel sheet main part intermediate position department of oil box bottom and all seted up the inlet port, and the inside guiding gutter of having seted up of steel sheet main part of inlet port bottom. The utility model discloses a, through depositing oil box and inlet port cooperation, conveniently add lubricating oil to rolling up the board surface, the movable plate of rethread both sides promotes the inside lubricating oil of oil box of depositing, accelerate the flow rate, through connecting rod and second spring cooperation, cushion the protection to the second threaded rod, the excessive production of the impact of avoiding the second threaded rod to receive in the use is not hard up or the fracture, thereby improve the life of second threaded rod, the current steel plate spring inconvenient problem that oils has been solved, and the stability when steel plate spring used has been improved.

Description

Variable cross-section leaf spring for lorry

Technical Field

The utility model belongs to the technical field of leaf spring, concretely relates to variable cross section leaf spring for lorry.

Background

The steel plate spring is an elastic element which is most widely applied in automobile suspensions, is an elastic beam which is similar to equal strength and is formed by combining a plurality of alloy spring pieces with equal width but unequal length (the thicknesses can be equal or unequal), is an automobile accessory which is widely applied and is mainly used for increasing the smoothness and the comfort when an automobile runs.

Leaf spring need regularly lubricate the maintenance when using, prevents to lose efficacy because of lubricated not enough bumper shock absorber that causes, and current leaf spring is when lubricating, generally all directly adds lubricating oil to the steel sheet side, but because the laminating is comparatively inseparable between the partial steel sheet, leads to it comparatively inconvenient when oiling, and current leaf spring does not have above structure, has proposed for this reason that the load becomes cross-section leaf spring for car solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a variable cross section leaf spring for lorry 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 variable cross section leaf spring for lorry, includes steel sheet main part, first threaded rod, dead lever, book board, connecting plate and second threaded rod, steel sheet main part both sides top all is fixed with deposits the oil box, the steel sheet main part intermediate position department of depositing oil box bottom has all seted up the inlet port, and the inside guiding gutter of having seted up of steel sheet main part of inlet port bottom, oil box top is fixed with the oil filler hole, oil box inside both sides all are provided with the ejector pad, and the ejector pad outer end all is fixed with the push rod, the push rod all extends to the oil box outside of depositing, all the symmetry is fixed with first spring between ejector pad and the oil box.

Preferably, the movable plate is all overlapped to second threaded rod surface, the inside all symmetry of movable plate is fixed with the connecting rod, and the connecting rod all runs through the second threaded rod, all overlap on the connecting rod of lower extreme on the second threaded rod and be equipped with the second spring, and the both ends of second spring all fix respectively on second threaded rod and movable plate.

The guiding gutter all sets up to the arc, the width of guiding gutter all is less than the width on steel sheet main part top.

Preferably, all link up between oil storage box, inlet port, guiding gutter and the oil filler hole, the oil filler hole top all has sealed lid through threaded connection.

Preferably, the ejector pad side all with the laminating of the inboard wall in the oil storage box, the push rod all sets up to "T" shape of transversely placing, the push rod all sets up to the arc with steel sheet main part complex.

Preferably, the upper end and the lower end of the moving plate are both arranged in an arc shape matched with the second threaded rod, the bottom end of the moving plate is glued with a rubber pad, and the rubber pads are both arranged in an arc shape matched with the moving plate.

Preferably, the width of the moving plate is smaller than that of the fixing rod, and through holes matched with the connecting rods are formed in the second threaded rods.

Compared with the prior art, the beneficial effects of the utility model are that: through depositing oil box and inlet port cooperation, conveniently add lubricating oil to roll up the board surface, the movable plate of rethread both sides promotes the inside lubricating oil of oil box of depositing, accelerate the flow rate, through connecting rod and second spring cooperation, cushion the protection to the second threaded rod, the excessive production of the impact of avoiding the second threaded rod to receive in the use is not hard up or the fracture, thereby improve the life of second threaded rod, the inconvenient problem of current leaf spring oiling has been solved, and the stability of leaf spring when using has been improved.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is a side sectional view of the present invention;

FIG. 3 is a side sectional view of the structure of the present invention;

FIG. 4 is an enlarged view of the point A of FIG. 1 according to the present invention;

fig. 5 is an enlarged view of the point B in fig. 1 according to the present invention.

In the figure: 1. a steel plate main body; 2. a first threaded rod; 3. fixing the rod; 4. rolling; 5. a connecting plate; 6. A second threaded rod; 7. an oil storage box; 8. an oil inlet hole; 9. a diversion trench; 10. an oil filler; 11. a push block; 12. a push rod; 13. a first spring; 14. moving the plate; 15. a connecting rod; 16. a second spring; 17. And (7) a rubber pad.

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. 1-5, the utility model provides a variable cross-section steel plate spring for a truck, which comprises a steel plate main body 1, a first threaded rod 2, a fixing rod 3, a rolling plate 4, a connecting plate 5 and a second threaded rod 6, wherein the top ends of both sides of the steel plate main body 1 are both fixed with an oil storage box 7, the middle position of the steel plate main body 1 at the bottom end of the oil storage box 7 is both provided with an oil inlet 8, the inside of the steel plate main body 1 at the bottom end of the oil inlet 8 is provided with a diversion trench 9, the top end of the oil storage box 7 is fixed with an oil filling opening 10, both sides of the inside of the oil storage box 7 are provided with a push block 11, the outer end of the push block 11 is both fixed with a push rod 12, the push rod 12 extends to the outside of the oil storage box 7, a sealing cover 13 is symmetrically fixed between the push block 11 and the oil storage box 7, when lubricant is required to be added into, and then the sealing cover is screwed to the oil filling port 10 again, the push rods 12 on the two sides are pushed again, so that the push block 11 stretches the first spring 13 to move inwards, the lubricating oil in the oil storage box 7 is pushed to the inside of the oil inlet hole 8, the uniform flow guide of the lubricating oil is conducted to the connecting plate 5 through the flow guide groove 9, and the push rod 12 is loosened, so that the push block 11 is pulled by the first spring 13 to move to the two sides of the oil inlet hole 8 again.

In this embodiment, preferably, the outer surfaces of the second threaded rods 6 are all sleeved with the movable plates 14, the connecting rods 15 are symmetrically fixed inside the movable plates 14, the connecting rods 15 all penetrate through the second threaded rods 6, the connecting rods 15 at the upper end and the lower end of the second threaded rods 6 are all sleeved with the second springs 16, two ends of each second spring 16 are respectively fixed on the second threaded rods 6 and the movable plates 14, when the steel plate body 1 is subjected to impact to generate vibration, the steel plate bodies 1 at the two ends move up and down, so that the steel plate bodies 1 at the two ends impact the movable plates 14, the movable plates 14 compress the second springs 16 to drive the connecting rods 15 to move on the second threaded rods 6, so that a part of extrusion force is offset by a reaction force generated by deformation of the second springs 16, and the second threaded rods 6 are protected.

In this embodiment, preferably, the guiding grooves 9 are all set to be arc-shaped, and the width of the guiding grooves 9 is smaller than the width of the top end of the steel plate main body 1, so that the lubricating oil can flow along the guiding grooves 9 conveniently, the distribution of the lubricating oil is more uniform, and the excessive lubricating oil is prevented from flowing out of the rolling plate 4.

In this embodiment, preferably, the oil storage box 7, the oil inlet hole 8, the guiding gutter 9 and the oil filling port 10 are all connected in a penetrating manner, the top end of the oil filling port 10 is connected with a sealing cover through threads, the sealing cover is used for ensuring that the lubricating oil inside the oil storage box 7 can flow onto the connecting plate 5, and the oil filling port 10 is sealed through the sealing cover, so that the lubricating oil inside the oil storage box 7 can enter the guiding gutter 9 through the oil inlet hole 8 when the push block 11 is pushed.

In this embodiment, preferably, the side edges of the push block 11 are all attached to the inner side wall of the oil storage box 7, the push rods 12 are all arranged in a transverse T shape, the push rods 12 are all arranged in an arc shape matched with the steel plate main body 1, and the push block 11 is used for ensuring that the lubricating oil in the oil storage box 7 can be pushed to the inside of the oil inlet hole 8 when the push block moves, the push rods 12 are conveniently pushed when the lubricating oil is pushed, and the push rods 12 are also convenient to move outside the rolling plate 4.

In this embodiment, preferably, the upper end and the lower end of the moving plate 14 are both arranged in an arc shape matched with the second threaded rod 6, the rubber pads 17 are glued to the bottom end of the moving plate 14, and the rubber pads 17 are all arranged in an arc shape matched with the moving plate 14, so that the moving plate 14 can move on the second threaded rod 6 conveniently, the steel plate body 1 is protected by the rubber pads 17, abrasion between the steel plate body 1 and the moving plate 14 is reduced, and therefore the service lives of the steel plate body 1 and the moving plate 14 are prolonged.

The utility model discloses a theory of operation and use flow: this structure can conveniently be to the inside lubricating oil that adds of roll up board 4, and promote ejector pad 11 through push rod 12, promote inside lubricating oil to inlet port 8 through ejector pad 11 with the inside of oil storage box 7, the speed that the clamp splice lubricating oil adds, the problem that current leaf spring adds lubricating oil inconvenient has been solved, the impact that produces when shaking to steel plate main part 1 through movable plate 14 cushions, avoid steel plate main part 1's impact direct action on second threaded rod 6, thereby make second threaded rod 6 more firm to steel plate main part 1's fixed, thereby stability when steel plate main part 1 uses has been improved.

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

the rest of the process is the same as that of the example 1,

in this embodiment, preferably, the width of the moving plate 14 is smaller than that of the fixing rod 3, and the second threaded rod 6 is internally provided with through holes matched with the connecting rods 15, so as to prevent the moving plate 14 from contacting with the fixing rods 3 at two sides, ensure that the moving plate 14 can normally move on the second threaded rod 6, and facilitate the moving plate 14 to move on the second threaded rod 6 after being extruded.

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 variable cross section leaf spring for lorry, includes steel sheet main part (1), first threaded rod (2), dead lever (3), roll up board (4), connecting plate (5) and second threaded rod (6), its characterized in that: the oil storage box is characterized in that the top ends of two sides of the steel plate main body (1) are all fixed with oil storage boxes (7), the middle positions of the steel plate main body (1) at the bottom end of the oil storage boxes (7) are provided with oil inlet holes (8), the inner parts of the steel plate main body (1) at the bottom end of the oil inlet holes (8) are provided with guide grooves (9), the top ends of the oil storage boxes (7) are fixed with oil filling ports (10), the inner sides of the oil storage boxes (7) are provided with push blocks (11), the outer ends of the push blocks (11) are fixed with push rods (12), the push rods (12) extend to the outer sides of the oil storage boxes (7), and first springs (13) are symmetrically fixed between the push blocks (11) and the oil storage boxes (7.

2. The variable cross-section leaf spring for the heavy-duty truck according to claim 1, characterized in that: the surface of the second threaded rod (6) is sleeved with a movable plate (14), connecting rods (15) are symmetrically fixed inside the movable plate (14), the connecting rods (15) penetrate through the second threaded rod (6), the connecting rods (15) at the upper end and the lower end of the second threaded rod (6) are sleeved with second springs (16), and two ends of each second spring (16) are fixed on the second threaded rod (6) and the movable plate (14) respectively.

3. The variable cross-section leaf spring for the heavy-duty truck according to claim 1, characterized in that: the diversion trench (9) is arc-shaped, and the width of the diversion trench (9) is smaller than that of the top end of the steel plate main body (1).

4. The variable cross-section leaf spring for the heavy-duty truck according to claim 1, characterized in that: all link up between oil storage box (7), inlet port (8), guiding gutter (9) and oil filler hole (10), oil filler hole (10) top all has sealed lid through threaded connection.

5. The variable cross-section leaf spring for the heavy-duty truck according to claim 1, characterized in that: push block (11) side all with deposit the laminating of oil box (7) inside wall, push rod (12) all set up to horizontal "T" shape of placing, push rod (12) all set up to with steel sheet main part (1) complex arc.

6. The variable cross-section leaf spring for the heavy-duty truck according to claim 2, characterized in that: the upper end and the lower end of the moving plate (14) are both arranged to be arc-shaped and matched with the second threaded rod (6), rubber pads (17) are glued at the bottom end of the moving plate (14), and the rubber pads (17) are both arranged to be arc-shaped and matched with the moving plate (14).

7. The variable cross-section leaf spring for the heavy-duty truck according to claim 2, characterized in that: the width of the moving plate (14) is smaller than that of the fixing rod (3), and through holes matched with the connecting rods (15) are formed in the second threaded rods (6).