CN212775290U - Novel buffering limiting block device - Google Patents

Abstract

The utility model relates to a novel buffer limiting block device, which comprises a base, a buffer block and a reinforcement; the reinforcing piece is fixed on the base and is wrapped in the buffer block; the cross section of the reinforcing piece is in an arch structure; the central line of the section of the reinforcing piece is vertical to the axial direction of the base; a through hole is formed in the center of the base, and a counter bore corresponding to the through hole is formed in the buffer block; the cross section of the counter bore is positioned in the cross section area of the reinforcing piece. Its advantages are: the strength requirement of the buffer block can be improved, and higher impact resistance can be provided under the condition of the same structure and material, so that the buffer block can work in a limited space; the durability of the buffer block is improved, the service life of the device is prolonged, the rejection rate of materials is reduced, and the driving safety of the vehicle is improved.

Description

Novel buffering limiting block device

Technical Field

The utility model belongs to the technical field of car buffer technique and specifically relates to a novel buffering stop block device.

Background

During the running of the vehicle. Automobile rear axle can frequently strike the automobile body panel beating, the buffer block of the rubber of present automotive industry general use or polyurethane material to reach spacing and buffering effect, nevertheless because the impact force variation in size, after the vehicle uses a period, the buffer block itself can appear warping damaged phenomenon even, leads to limiting displacement to reduce, the unbalanced phenomenon of vehicle stability ability, this phenomenon has the potential safety hazard to the user.

Chinese patent document CN201320156675.6, application date 20130401, with patent names: a buffering and limiting device belongs to the field of automobile opening and closing systems. The buffering limiting device is used for buffering the opening speed of the automobile trunk cover and limiting the maximum displacement of the opening of the automobile trunk cover, and comprises a buffering limiting block and a mounting support, wherein the mounting support is fixedly connected with an automobile body assembly, the buffering limiting block is in contact with the outer surface of a trunk cover hinge assembly, when the automobile trunk cover drives the trunk cover hinge assembly to move, the opening speed of the automobile trunk cover is limited by the friction force generated between the buffering limiting block and the trunk cover hinge assembly, and when the trunk cover hinge assembly moves to the maximum position, the trunk cover hinge assembly is clamped at the bottom end of the buffering limiting block to limit the maximum displacement of the opening of the trunk cover.

The buffering limiting device disclosed by the patent document is clamped on the mounting hole of the vehicle body through the self clamping head, so that the buffering limiting device is quick, accurate and convenient to mount and is stable and firm after being mounted. However, the technical scheme that the buffer block is applied to the rear axle and the metal plate of the automobile body to strengthen the strength of the buffer block, ensure the durability of the buffer block, improve the limit function of the buffer block and ensure the balance of the automobile in the running process is not disclosed correspondingly.

In summary, there is a need for a buffer stop block device applied to the rear axle and the metal plate of the vehicle body to enhance the strength of the buffer block, ensure the durability thereof, improve the limit function of the buffer block, and ensure the balance during the driving process of the vehicle, and no report is found about the buffer stop block device at present.

Disclosure of Invention

The utility model aims at providing an use in automobile rear axle and automobile body panel beating department, strengthen the intensity of buffer block, guarantee its durability, improve the limit function of buffer block, guarantee the buffering limit block device of the equilibrium of vehicle driving in-process.

In order to achieve the purpose, the utility model adopts the technical proposal that:

a novel buffer limiting block device comprises a base, a buffer block and a reinforcing piece; the reinforcing piece is fixed on the base and is wrapped in the buffer block; the cross section of the reinforcing piece is in an arch structure; the central line of the section of the reinforcing piece is vertical to the axial direction of the base; a through hole is formed in the center of the base, and a counter bore corresponding to the through hole is formed in the buffer block; the cross section of the counter bore is positioned in the cross section area of the reinforcing piece.

As a preferred technical scheme, the ratio of the distance from the top of the reinforcing member to the top of the rubber block to the distance from the reinforcing member to the surface of the base is 0.4-0.5.

As a preferable technical solution, the reinforcing member is made of a metal material.

As a preferable technical scheme, the reinforcing piece is fixed on the base in a welding mode.

As a preferable technical scheme, the buffer block is made of rubber materials.

As a preferred technical scheme, the whole buffer block is in a cone frustum shape, and the width size from the top to the bottom is gradually increased.

As a preferred technical scheme, the top of the buffer block is of an arc-shaped surface structure.

As a preferred technical scheme, the connection between the buffer block and the reinforcing piece is established in a vulcanization molding mode.

As a preferred technical scheme, the connection part of the buffer block and the reinforcing piece adopts a concave curved surface structure.

As a preferred technical scheme, both ends of the base are provided with flanging structures.

The utility model has the advantages that:

1. the utility model discloses a novel buffering stop block device. The strength requirement of the buffer block can be improved, and higher impact resistance can be provided under the condition of the same structure and material, so that the buffer block can work in a limited space; the durability of the buffer block is improved, the service life of the device is prolonged, the rejection rate of materials is reduced, and the driving safety of the vehicle is improved.

2. The reinforcing piece is fixed on the base in a welding mode. Wherein, adopt welded fixed mode for connect stably, be favorable to keeping to connect stably, make the connection between reinforcement and the base reliable and stable.

3. The cross section of the reinforcing piece is in a shape-supplying structure, so that the effect of dispersing stress concentration is achieved, and damage caused by stress concentration is avoided. The central line of the cross section of the reinforcing piece is vertical to the axial direction of the base. The vertical design enables bearing capacity of two sides of the buffer block to be uniform, and if the non-vertical design is adopted, stress on two sides of the buffer block is not uniform, and deformation is easily caused.

4. The connection between the buffer block and the reinforcing piece is established by adopting a vulcanization molding mode. The effect of this design is: further crosslinking through a vulcanization molding mode, and improving the mechanical property, the compression set property and the like of the buffer block product.

Drawings

Fig. 1 is a schematic structural diagram of a novel buffer stop block device of the present invention.

Fig. 2 is a schematic cross-sectional view of the buffering and limiting block device of the present invention.

Fig. 3 is a schematic structural view of the connection of the reinforcing member to the base.

Fig. 4 is a structural view in the top direction of the buffer block.

Fig. 5 is a structural view of the buffer block in the bottom direction.

Fig. 6 is a schematic structural view of the base.

Detailed Description

The invention will be further described with reference to the following examples and with reference to the accompanying drawings.

The reference numerals and components referred to in the drawings are as follows:

1. base 11. through hole

12. Flanging structure 2 buffer block

21. Counter bore 22. top

23. Bottom 3. reinforcing element

Referring to fig. 1 and fig. 1, fig. 1 is a schematic structural diagram of a novel buffer stop block device of the present invention. Fig. 2 is a schematic cross-sectional view of the buffering and limiting block device of the present invention. A novel buffer limiting block device comprises a base 1, a buffer block 2 and a reinforcing piece 3; the reinforcing piece 3 is fixed on the base 1, and the reinforcing piece 3 is wrapped in the buffer block 2; the cross section of the reinforcing part 3 is in an arch structure; the central line of the section of the reinforcing part 3 is vertical to the axial direction of the base 1; a through hole 11 is formed in the center of the base 1, and a counter bore 21 corresponding to the through hole 11 is formed in the buffer block 2; the section of the counterbore 21 is located within the section area of the reinforcement 3.

The distance between the top 22 of the reinforcing part 3 and the top 22 of the rubber block and the distance between the reinforcing part 3 and the surface of the base 1 are 0.4-0.5.

Referring to fig. 3, fig. 3 is a schematic structural view of the connection between the reinforcement 3 and the base 1. The reinforcing piece 3 is made of metal material; the reinforcing piece 3 is fixed on the base 1 by welding. The reinforcing member 3 has a block-shaped structure in the width direction.

Referring to fig. 4, fig. 4 is a schematic structural diagram of the buffer block 2 in the direction of the top 22. Fig. 5 is a schematic structural view of the buffer block 2 in the direction of the bottom 23. The whole buffer block 2 is in a cone frustum shape, and the width size from the top 22 to the bottom 23 is gradually increased; the top 22 of the buffer block 2 is of an arc-shaped surface structure; the buffer block 2 and the reinforcing piece 3 are connected by adopting a vulcanization molding mode; the connection part of the buffer block 2 and the reinforcing piece 3 adopts a concave curved surface structure.

Referring to fig. 6, fig. 6 is a schematic structural diagram of the base 1. And two ends of the base 1 are provided with flange structures 12. The cross section of the base 1 is in a semicircular shape.

The embodiment needs to be explained as follows:

be provided with reinforcement 3 in the buffer block 2, strengthened buffer block 2 intensity, guaranteed its durability, can not increase along with the use frequency and lose efficacy. The limiting function of the buffer block 2 is improved, the balance of the vehicle in the running process is guaranteed, and the driving safety of a user is improved.

The cross section of the reinforcing part 3 is of a shape-supplying structure, so that the effect of dispersing stress concentration is achieved, and the damage caused by stress concentration is avoided. The central line of the section of the reinforcing part 3 is vertical to the axial direction of the base 1. The vertical design enables bearing capacity of two sides of the buffer block 2 to be uniform, and if the non-vertical design is adopted, stress on two sides of the buffer block 2 is not uniform, and deformation is easily caused.

A through hole 11 is formed in the center of the base 1, and a counter bore 21 corresponding to the through hole 11 is formed in the buffer block 2; the section of the counterbore 21 is located within the section area of the reinforcement 3. The effect of this design is: the double-screw bolt to buffer position department is convenient for fix, can realize accurate buffering and spacing to the double-screw bolt, because of the double-screw bolt is installed with automobile body panel beating department to rear axle, the double-screw bolt is the atress part between automobile body panel beating and the double-screw bolt, through buffering and spacing to the double-screw bolt to rear axle and automobile body panel beating's buffering and spacing have been realized.

The distance between the top 22 of the reinforcing part 3 and the top 22 of the rubber block and the distance between the reinforcing part 3 and the surface of the base 1 are 0.4-0.5. The effect of this design is: the reinforcing parts 3 distributed at the positions under the proportion have good mechanical property.

The reinforcing member 3 is made of a metal material. Wherein, adopt metal material to make reinforcement 3, compared with other materials, metal material's reinforcement 3 durability is good.

The reinforcing member 3 is fixed to the base 1 by welding. Wherein, adopt welded fixed mode for connect stably, be favorable to keeping to connect stably, make the connection between reinforcement 3 and the base 1 reliable and stable.

The buffer block 2 is made of rubber materials. Wherein, the rubber block made of rubber material has good elasticity and obvious buffering effect.

The whole buffer block 2 is in a cone shape, and the width size of the top part 22 is gradually increased to the width size of the bottom part 23. The effect of this design is, the design of vertebra platform shape for the bearing capacity is the ladder distribution, also makes things convenient for the assembly between each part simultaneously.

The top 22 of the buffer block 2 is of an arc-shaped surface structure. The arc-shaped surface design also embodies the buffering function, and the abrasion phenomenon can occur if the corner form is adopted.

The buffer block 2 and the reinforcing piece 3 are connected by adopting a vulcanization molding mode. The effect of this design is: further crosslinking through a vulcanization molding mode, and improving the mechanical property, the compression set property and the like of the buffer block 2 product.

The connection part of the buffer block 2 and the reinforcing piece 3 adopts a concave curved surface structure. Wherein, adopt the concave curved surface structure, area of contact is big for be connected reliably between buffer block 2 and the reinforcement 3.

And two ends of the base 1 are provided with flange structures 12. Through turn-ups structure 12, have the guard action, can effectually avoid the damage.

The utility model discloses a novel buffering stop block device. The strength requirement of the buffer block 2 can be improved, and higher impact resistance can be provided under the condition of the same structure and material, so that the buffer block can work in a limited space; the durability of the buffer block 2 is improved, the service life of the device is prolonged, the rejection rate of materials is reduced, and the driving safety of the vehicle is improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the principles of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.

Claims (10)

1. A novel buffering limiting block device is characterized in that the buffering limiting block device comprises a base, a buffering block and a reinforcing piece; the reinforcing piece is fixed on the base and is wrapped in the buffer block; the cross section of the reinforcing piece is in an arch structure; the central line of the section of the reinforcing piece is vertical to the axial direction of the base; a through hole is formed in the center of the base, and a counter bore corresponding to the through hole is formed in the buffer block; the cross section of the counter bore is positioned in the cross section area of the reinforcing piece.

2. The novel bump stop device of claim 1, wherein the ratio of the distance from the top of the reinforcement member to the top of the rubber block to the distance from the reinforcement member to the surface of the base is 0.4-0.5.

3. The novel bump stop assembly of claim 1 wherein said reinforcement is made of a metallic material.

4. The novel buffer stop block device as claimed in claim 2, wherein the reinforcing member is fixed to the base by welding.

5. The novel buffer stop block device as claimed in claim 1, wherein the buffer block is made of rubber material.

6. The novel buffer stop block device as claimed in claim 1, wherein the whole buffer block is cone frustum shaped, and the width from the top to the bottom is gradually increased.

7. The novel buffer stop block device as claimed in claim 6, wherein the top of the buffer block is of an arc-shaped surface structure.

8. The novel buffer stop block device as claimed in claim 1, wherein the connection between the buffer block and the reinforcement is established by vulcanization molding.

9. The novel buffer limiting block device as claimed in claim 1, wherein the connection part of the buffer block and the reinforcing member is of a concave curved surface structure.

10. The novel buffering limiting block device according to claim 1, wherein both ends of the base are provided with flanging structures.

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