CN216268541U

CN216268541U - Buffer block for casting auxiliary spring support

Info

Publication number: CN216268541U
Application number: CN202122742802.8U
Authority: CN
Inventors: 李海鑫; 何孟玲; 李挺; 刘新; 牛霜晨
Original assignee: Chengdu Dayun Automobile Co Ltd
Current assignee: Chengdu Dayun Automobile Co Ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-04-12
Anticipated expiration: 2031-11-10

Abstract

The utility model discloses a buffer block for a casting auxiliary spring support, which comprises a bottom plate (1), wherein a bolt (2) penetrates through the bottom plate (1), a rubber mat (3) is arranged on one side of the bottom plate (1), the head of the bolt (2) is embedded in the rubber mat (3), and the rod part of the bolt (2) extends to the other side of the bottom plate (1); the bottom plate (1) is an arc-shaped plate, the radian of the bottom plate is R100-R110, and the thickness of the bottom plate (1) is 4-6 mm; a mounting hole is formed in the center of the bottom plate (1), and the bolt (2) is located in the mounting hole; the bottom plate (1), the bolt (2) and the rubber mat (3) are connected through vulcanization. The utility model has the advantages of simple structure, high applicability, easy assembly and convenient disassembly.

Description

Buffer block for casting auxiliary spring support

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a buffer block for a casting auxiliary spring support.

Background

Along with the continuous maturity of automobile manufacturing, the car is more and more advanced, and the part of car is more and more, and spare part also is more diversified in the arrangement on the vehicle, wherein need use the buffer block, and the buffer block can restrict the device of the biggest deflection of suspension. It can reduce the direct collision of axle to frame (or car body) and prevent the elastic element from generating excessive deformation. The buffer block is composed of a rubber block, a steel plate and a bolt. Some buffer blocks are made of porous polyurethane and are hollow inside. The commercial vehicle buffer block is divided into a front buffer block, a rear buffer block and an auxiliary spring support buffer block, most of the conventional commercial vehicle auxiliary spring supports are made of castings, but the auxiliary spring support buffer blocks are not arranged, and the installation positions of the auxiliary spring supports on the frame longitudinal beams are limited by the abdomen height of the vehicle frame and the contact gap between a leaf spring and the supports, so that the gap between the contact surfaces of the auxiliary spring supports of certain vehicle types and the leaf spring is overlarge when the vehicle is fully loaded or unloaded, the gap between the auxiliary spring supports of certain vehicle types and the leaf spring is undersized, the rigidity and the friction strength are large, and the auxiliary spring supports of the castings are excessively worn.

In patent CN201820649981.6, a rear suspension coil spring support with a buffer block structure is disclosed, which includes an upper spring support and a lower spring support corresponding to the upper spring support, wherein a buffer block vertical downward is disposed at the center of the bottom of the upper spring support, an upper limit structure is disposed on the top surface of the upper spring support, and a lower limit structure is disposed on the bottom surface of the lower spring support; this patent has increased the durability, has solved buffer block and has produced the abnormal sound when taking place to interfere the friction with the shock absorber piston rod, nevertheless can not solve the problem of foundry goods auxiliary spring support excessive wear.

In patent CN201320310066.1, disclosed an auxiliary spring buffer block for car, including lower skeleton, bolt and colloid, lower skeleton and colloid are connected, and the bolt sets up on lower skeleton, the top of colloid is spherical structure. The utility model has simple structure, changes the design structure of the original auxiliary spring buffer block, gradually increases the contact area from small to large by utilizing the spherical upper end structure of the colloid, is beneficial to the durability of the product, improves the comfort of a passenger when the working condition of the pit is adopted, and reduces the cost from the side; meanwhile, the outer edge of the lower framework is in a regular hexagon shape, so that assembly is facilitated, the efficiency is improved, and the problem of excessive abrasion of the casting auxiliary spring support cannot be solved.

In CN201920509761.8, a noise-reducing gradual-change automobile plate spring with a buffer block at the end piece is disclosed, which mainly comprises a main spring, an auxiliary spring, an end piece and a clamp, wherein the main spring, the auxiliary spring and the end piece are fixedly connected through a central bolt, two ends of the main spring are provided with a rolling lug, two ends of the end piece are respectively connected with the clamp, the end piece is of an arc structure with a thick middle part and two thin ends, and two ends of the end piece are downward, two ends of the end piece are connected with rubber buffer blocks, and the rubber buffer blocks are arranged between the auxiliary spring and the end piece; the both ends of auxiliary spring are connected and are equipped with the pad of making an uproar that falls, fall the pad of making an uproar and locate between auxiliary spring and the main spring, and it has solved car leaf spring and has easily produced collision friction, abnormal sound and vibration too big, increases the travelling comfort of car and leaf spring life's technical problem, but wide application in automobile shock attenuation technical field. The bumper of this patent does not address excessive wear of the cast secondary spring support.

In patent CN201920123015.5, an automobile leaf spring is disclosed, which comprises a main spring mechanism, an auxiliary spring, a U-shaped bracket, and a dislocation-preventing protection mechanism, wherein the main spring mechanism is erected on the upper side of the auxiliary spring, and both ends of the main spring mechanism are provided with a rolling lug bush, the auxiliary spring is erected on the inner side of the U-shaped bracket, the main spring mechanism, the auxiliary spring and the U-shaped bracket are locked together through a central bolt, the upper sides of both ends of the auxiliary spring are respectively provided with a buffer block capable of abutting against the main spring mechanism, and the dislocation-preventing protection mechanism tightly wraps the main spring mechanism and the auxiliary spring to effectively solve the problem of plate spring dislocation, thereby prolonging the service life of the plate spring. The auxiliary spring with the buffer blocks at the two ends is arranged, so that the rigidity of the steel plate spring is improved when the passenger car is under a large load or passes through a bumpy road surface, and the stability of the whole car is further improved; by arranging the U-shaped support, the contact area of the main spring mechanism and the auxiliary spring on the upper side of the external plate spring supporting plate can be increased through the U-shaped support, so that the stress action of the plate spring supporting plate is reduced, and the service life of the plate spring supporting plate is prolonged; in this patent, the bump stop on the secondary spring also does not address the problem of excessive wear of the cast secondary spring support.

In patent CN201720490764.2, a rear suspension device is disclosed, which comprises a leaf spring, a drive axle, and a mounting bracket fixed on a vehicle body through a bolt assembly. And an auxiliary cushion pad is arranged on the drive axle. One end of the auxiliary buffer block is installed on the installation support, and the other end of the auxiliary buffer block is in contact with the auxiliary buffer pad. The main buffering assembly is installed on the drive axle through a riding bolt. The steel plate spring is fixedly installed on the drive axle. The steel plate spring is longitudinally arranged and comprises three plate springs, wherein the front two plate springs are main springs, the rear plate spring is an auxiliary spring, the auxiliary spring is of a variable cross-section structure, and the thickness of the auxiliary spring is gradually reduced from a central circular hole to two ends. This back suspension leaf spring comprises three leaf springs, and the buffer block is main vice buffer block, and the contact has been had between the leaf spring reed, has born various power and moment jointly and has made the car normally travel, increases the improvement that vice buffer block is favorable to the increase of main buffer block life-span and travelling comfort, nevertheless the buffer block in this patent can not solve the problem of the vice spring support of foundry goods excessive wear.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a buffer block for a casting auxiliary spring support. The use of this buffer block can effectively adjust vice spring support and leaf spring clearance problem, utilizes the elastic property of rubber effectively to avoid the vice spring support excessive wear problem that the friction of leaf spring and vice spring support leads to, also can adjust the too big problem in clearance to reach certain shock attenuation effect.

The purpose of the utility model is realized by the following technical scheme:

a buffer block for a cast auxiliary spring support comprises:

the bottom plate, it is provided with the bolt to run through on the bottom plate, bottom plate one side is provided with the cushion, the head of bolt inlays and locates in the cushion, the pole portion of bolt extends to the opposite side of bottom plate.

Furthermore, the bottom plate is an arc-shaped plate, the radian of the bottom plate is R100-R110, and the thickness of the bottom plate is 4-6 mm.

Furthermore, a mounting hole is formed in the center of the bottom plate, and the bolt is located in the mounting hole.

Furthermore, the bottom plate, the bolt and the rubber mat are connected through vulcanization.

Furthermore, the lower side surface of the rubber mat is provided with an arc-shaped groove, and the arc-shaped groove is attached to the upper surface of the bottom plate.

Furthermore, each edge of the upper side of the rubber pad forms a round angle, and the round angle is R7-R10.

The utility model has the beneficial effects that:

the buffer block for the casting auxiliary spring support is suitable for the casting auxiliary spring support, the gap between the auxiliary spring support and a plate spring can be effectively adjusted by using the buffer block, the excessive abrasion problem of the auxiliary spring support caused by friction between the plate spring and the auxiliary spring support can be effectively avoided by using the elastic property of rubber, the overlarge gap can be adjusted, and a certain damping effect can be achieved; the buffer block is connected to the auxiliary spring support through a bolt and fixed by a nut, so that the buffer block is convenient to disassemble and replace at a later stage; the utility model has simple structure, high applicability, easy assembly and convenient disassembly.

Drawings

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

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

fig. 3 is a schematic view of the present invention mounted on the auxiliary spring support.

In the figure, 1-bottom plate, 2-bolt and 3-rubber pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

In the first embodiment, as shown in fig. 1 to 3, a buffer block for a casting auxiliary spring support includes a bottom plate 1, a bolt 2 is penetratingly disposed on the bottom plate 1, a rubber pad 3 is disposed on one side of the bottom plate 1, a head of the bolt 2 is embedded in the rubber pad 3, and a rod of the bolt 2 extends to the other side of the bottom plate 1.

In this embodiment, the bolt 2 is specifically M8 × 30; the rubber cushion 3 is a rubber block, and the rubber hardness is Shore A: 68 +/-5; the bottom plate 1 is a metal piece, the sharp edge of the bottom plate is subjected to blunting treatment, and black paint is coated on the outer surface of the metal piece; the length of the exposed part of the shank of the bolt 2 is 25 mm.

The embodiment is further configured as follows: the bottom plate 1 is an arc-shaped plate, the radian of the arc-shaped plate is R100, and the thickness of the bottom plate 1 is 4 mm.

In this embodiment, set up bottom plate 1 into the arc for be convenient for with take the vice spring support of radian closely laminate, thereby install relevant position with the buffer block, and through outside nut cooperation, make fixed this buffer block on the vice spring support of foundry goods.

The embodiment is further configured as follows: the center of the bottom plate 1 is provided with a mounting hole, and the bolt 2 is positioned in the mounting hole.

In this embodiment, the bolt 2 and the mounting hole are in interference fit or transition fit.

The embodiment is further configured as follows: the bottom plate 1, the bolt 2 and the rubber mat 3 are connected through vulcanization.

The embodiment is further configured as follows: the lower side surface of the rubber pad 3 is provided with an arc-shaped groove, and the arc-shaped groove is attached to the upper surface of the bottom plate 1.

The embodiment is further configured as follows: and round corners are formed at the edges of the upper side of the rubber pad 3, and the round corners are R7.

The embodiment is further configured; one side of the rubber cushion 3 is marked with an identification, and the height of the identification font is 5 mm.

The second embodiment and the present embodiment are different from the first embodiment in that:

the embodiment is further configured as follows: the bottom plate 1 is an arc-shaped plate, the radian of the arc-shaped plate is R105, and the thickness of the bottom plate 1 is 5 mm.

The embodiment is further configured as follows: and round corners are formed at the edges of the upper side of the rubber pad 3, and the round corners are R8.

The third embodiment and the differences between the first embodiment are as follows:

the embodiment is further configured as follows: the bottom plate 1 is an arc-shaped plate, the radian of the arc-shaped plate is R110, and the thickness of the bottom plate 1 is 6 mm.

The embodiment is further configured as follows: and round corners are formed at the edges of the upper side of the rubber pad 3, and the round corners are R10.

The working principle of the utility model is as follows:

as shown in figure 3, the auxiliary spring support in the automobile is provided with a rectangular protrusion, one side plate of the rectangular protrusion is an arc-shaped side plate protruding outwards, the radian of the arc-shaped side plate is R100-R110, and the outer side surface of the arc-shaped side plate is attached to the bottom plate 1 and fixed through a bolt.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the equipment or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is also to be noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Claims

1. The utility model provides a foundry goods is buffer block for auxiliary spring support which characterized in that includes:

the bottom plate (1), it is provided with bolt (2) to run through on bottom plate (1), bottom plate (1) one side is provided with cushion (3), the head of bolt (2) inlays and locates in cushion (3), the pole portion of bolt (2) extends to the opposite side of bottom plate (1).

2. The cushion block for the cast auxiliary spring support according to claim 1, wherein: the bottom plate (1) is an arc-shaped plate, the radian of the arc-shaped plate is R100-R110, and the thickness of the bottom plate (1) is 4-6 mm.

3. The cushion block for the cast auxiliary spring support according to claim 1, wherein: the center of the bottom plate (1) is provided with a mounting hole, and the bolt (2) is positioned in the mounting hole.

4. The cushion block for the cast auxiliary spring support according to claim 1, wherein: the bottom plate (1), the bolt (2) and the rubber mat (3) are connected through vulcanization.

5. The cushion block for the cast auxiliary spring support according to claim 1, wherein: the lower side surface of the rubber mat (3) is provided with an arc-shaped groove, and the arc-shaped groove is attached to the upper surface of the bottom plate (1).

6. The cushion block for the cast auxiliary spring support according to claim 1, wherein: and each edge of the upper side of the rubber mat (3) forms a round angle, and the round angle is R7-R10.