CN215805919U

CN215805919U - Gradual stiffness plate spring assembly

Info

Publication number: CN215805919U
Application number: CN202122396943.9U
Authority: CN
Inventors: 周晓军; 周广伟; 于思义; 解建强; 王祖强; 于承泽
Original assignee: Shandong Shuangli Plate Spring Co ltd
Current assignee: Shandong Shuangli Plate Spring Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-02-11
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a gradually-changed stiffness plate spring assembly, which belongs to the technical field of automobile plate springs. A plurality of mountings all include the U template, the blind hole has all been seted up at both ends around the up end of U template, the equal threaded connection in inside of two blind holes has the screw rod, the other end of two screw rods runs through two blind holes respectively and equal threaded connection has the nut, the lateral wall swing joint of two screw rods has the fixed plate, through the U template, the cooperation of blind hole and screw rod is used, can realize the purpose to leaf spring assembly altitude mixture control, when interpolation or when reducing the leaf spring again, can avoid changing the clamp of other heights, time saving and labor saving, wide application scope, thereby the effectual result of use that has improved gradual change rigidity leaf spring assembly.

Description

Gradual stiffness plate spring assembly

Technical Field

The utility model relates to the technical field of automobile plate springs, in particular to a plate spring assembly with gradually-changed rigidity.

Background

Leaf springs, also known as leaf springs, are plate springs made of a stack of at least one piece of spring steel, which are commonly used in wheeled 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 forms, and which can be traced back to the middle century.

Most gradual change rigidity leaf spring links together with the clamp at present, but current clamp structure is fixed, when needs add or reduce the board reed, just need to change the clamp of using other heights, and this process is wasted time and energy, and the suitability is low to be not convenient for the use to gradual change rigidity leaf spring.

Disclosure of Invention

The present invention addresses the above problems by providing a graduated stiffness leaf spring assembly.

The utility model is realized in such a way that the plate spring assembly with gradually changed rigidity comprises a first plate spring group and a plurality of fixing parts which are uniformly distributed, wherein the lower end surface of the first plate spring group is movably connected with a second plate spring group, the lower end surface of the second plate spring group is movably connected with a third plate spring group, and the lower end surface of the third plate spring group is movably connected with a fourth plate spring group.

A plurality of mountings all include the U template, and the blind hole has all been seted up at both ends around the up end of U template, and the equal threaded connection in inside of two blind holes has the screw rod, and the other end of two screw rods runs through two blind holes respectively and equal threaded connection has the nut, and the lateral wall swing joint of two screw rods has the fixed plate, and the fixed plate is located the below of nut.

In order to facilitate the fixing of the device by workers, the preferred gradual stiffness plate spring assembly is that the left side and the right side of the upper end surface of the first plate spring group are fixedly connected with lifting lugs.

In order to improve the fixing effect of the fixing piece, the preferred gradual stiffness plate spring assembly is that the inner side walls of the U-shaped plates are fixedly connected with first anti-skid pads.

In order to improve the stability of the fixing plates, it is preferable that the lower end surfaces of the plurality of fixing plates are fixedly connected with second anti-slip pads.

In order to improve the stability of the plate spring group, the first plate spring group, the second plate spring group, the third plate spring group and the fourth plate spring group are preferably arranged in the U-shaped plate and are in fit movable connection with the U-shaped plate.

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

this kind of gradual change rigidity leaf spring assembly, through the setting improvement the device's of a plurality of leaf spring group fastness, increase life, through being connected the screw rod with the U template, cooperate the blind hole simultaneously for the device can freely adjust the length of screw rod when fixed leaf spring group, and then makes the staff can adjust the mounting according to the quantity of leaf spring group, thereby uses through the cooperation of U template, blind hole and screw rod, can realize the purpose to spring assembly altitude mixture control. When plate reeds are added or reduced, the replacement of the clamps with other heights can be avoided, time and labor are saved, the application range is wide, and therefore the using effect of the gradual-change stiffness plate spring assembly is effectively improved.

Drawings

FIG. 1 is a block diagram of a graduated stiffness leaf spring assembly of the present invention;

FIG. 2 is an elevation view of a graduated stiffness leaf spring assembly of the present invention;

fig. 3 is a cross-sectional view of the fixing member of the present invention.

In the figure, 1, a first plate spring set; 2. a second plate spring group; 3. a third leaf spring group; 4. a fourth plate spring group; 5. lifting lugs; 6. a fixing member; 601. a U-shaped plate; 602. a first non-slip mat; 603. blind holes; 604. a screw; 605. a fixing plate; 606. a second non-slip mat; 607. and a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Referring to fig. 1-3, a plate spring assembly with gradually changed stiffness includes a first plate spring set 1 and a plurality of fixing members 6 uniformly distributed, a second plate spring set 2 is movably connected to a lower end surface of the first plate spring set 1, a third plate spring set 3 is movably connected to a lower end surface of the second plate spring set 2, and a fourth plate spring set 4 is movably connected to a lower end surface of the third plate spring set 3.

A plurality of mountings 6 all include U template 601, and blind hole 603 has all been seted up at both ends around the up end of U template 601, and the equal threaded connection in inside of two blind holes 603 has screw rod 604, and the other end of two screw rods 604 runs through two blind holes 603 respectively and equal threaded connection has nut 607, and the lateral wall swing joint of two screw rods 604 has fixed plate 605, and fixed plate 605 is located the below of nut 607.

In this embodiment: the fastness that improves the device through setting up of a plurality of leaf spring groups increases life, through being connected screw rod 604 with U template 601, cooperates blind hole 603 simultaneously for the device can freely adjust the length of screw rod 604 when fixed leaf spring group, and then makes the staff can adjust mounting 6 according to the quantity of leaf spring group, thereby uses through the cooperation of U template 601, blind hole 603 and screw rod 604, can realize the purpose to spring assembly altitude mixture control. When plate reeds are added or reduced, the replacement of the clamps with other heights can be avoided, time and labor are saved, the application range is wide, and therefore the using effect of the gradual-change stiffness plate spring assembly is effectively improved.

As a technical optimization scheme of the utility model, the left side and the right side of the upper end surface of the first plate spring group 1 are fixedly connected with lifting lugs 5. Through setting up lug 5, and then make things convenient for the staff to fix this leaf spring assembly, improve the device practicality.

The inner side walls of the plurality of U-shaped plates 601 are fixedly connected with first anti-skid pads 602, and the lower end surfaces of the plurality of fixing plates 605 are fixedly connected with second anti-skid pads 606. The friction force between the U-shaped plate 601, the fixing plate 605 and the plate spring assembly is increased by arranging the first anti-skid pad 602 and the second anti-skid pad 606, so that the fixing effect of the fixing piece 6 is improved; meanwhile, the abrasion of the plate spring and the generation of noise are reduced.

First leaf spring group 1, second leaf spring group 2, third leaf spring group 3 and fourth leaf spring group 4 all are located the inside of U template 601, and all laminate swing joint with U template 601. All laminate swing joint with U template 601 through first leaf spring group 1, second leaf spring group 2, third leaf spring group 3 and fourth leaf spring group 4, improve the stability that changes the assembly.

The working principle and the using process of the utility model are as follows:

when the plate spring group is used, the first plate spring group 1, the second plate spring group 2, the third plate spring group 3 and the fourth plate spring group 4 are respectively placed in the plurality of fixing parts 6, and then the length of the screw 604 is adjusted according to the positions of the fixing parts 6. After the adjustment is completed, the fixing plate 605 and the second anti-slip pad 606 are respectively sleeved on the outer side wall of the screw 604, and finally, the fixing plate is fixed by using the nut 607 until the second anti-slip pad 606 and the first anti-slip pad 602 are tightly attached to the outer side wall of the plate spring assembly.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. 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 utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A gradual stiffness leaf spring assembly comprising a first leaf spring set (1) and a plurality of evenly distributed fixings (6), characterized in that: the lower end face of the first plate spring group (1) is movably connected with a second plate spring group (2), the lower end face of the second plate spring group (2) is movably connected with a third plate spring group (3), and the lower end face of the third plate spring group (3) is movably connected with a fourth plate spring group (4);

a plurality of mounting (6) all include U template (601), blind hole (603) have all been seted up at both ends around the up end of U template (601), two equal threaded connection in inside of blind hole (603) has screw rod (604), two the other end of screw rod (604) runs through two blind holes (603) respectively and equal threaded connection has nut (607), two the lateral wall swing joint of screw rod (604) has fixed plate (605), fixed plate (605) are located the below of nut (607).

2. The graduated stiffness leaf spring assembly of claim 1 wherein: the left side and the right side of the upper end face of the first plate spring group (1) are fixedly connected with lifting lugs (5).

3. The graduated stiffness leaf spring assembly of claim 1 wherein: the inner side walls of the U-shaped plates (601) are fixedly connected with first anti-skid pads (602).

4. The graduated stiffness leaf spring assembly of claim 1 wherein: the lower end faces of the fixing plates (605) are fixedly connected with second anti-skid pads (606).

5. The graduated stiffness leaf spring assembly of claim 1 wherein: first leaf spring group (1), second leaf spring group (2), third leaf spring group (3) and fourth leaf spring group (4) all are located the inside of U template (601), and all laminate swing joint with U template (601).