CN107650846B

CN107650846B - Reinforced connecting beam structure for vehicle

Info

Publication number: CN107650846B
Application number: CN201710867807.9A
Authority: CN
Inventors: 柯金銾
Original assignee: Tianjin Sheng Electronics Co Ltd
Current assignee: Tianjin Sheng Electronics Co Ltd
Priority date: 2017-09-22
Filing date: 2017-09-22
Publication date: 2023-09-19
Anticipated expiration: 2037-09-22
Also published as: CN107650846A

Abstract

The invention provides a reinforced connecting beam structure for a vehicle, wherein a main beam is provided with an upper supporting wall, a middle arm and a lower supporting wall from top to bottom; the upper part of the main beam is provided with a plurality of connecting pieces, and a connecting bracket is arranged below the middle part of the main beam. The reinforced connecting beam structure has higher anti-seismic performance and anti-loosening performance.

Description

Reinforced connecting beam structure for vehicle

Technical Field

The invention belongs to the technical field of design and manufacture of automobile bumper supports, and particularly relates to a bumper support and a reinforced connecting beam structure thereof.

Background

When the automobile collides, the automobile bumper plays a role in protecting the safety of the human body and the automobile body to the maximum extent. The automobile bumper is arranged on the frame through the bracket, and the connection and fixation of the bumper enable automobile designers to pay attention to one of the problems. From the viewpoint of safety and reliability, the bumper bracket is required to have sufficient strength to carry the impact force at the time of collision, and also to have sufficient shock-resistant buffering capacity to alleviate damage to the internal frame of the automobile caused by the collision impact force.

Disclosure of Invention

In view of the above, the invention aims to provide a bumper bracket for an automobile, which has higher strength and shock resistance and buffering capacity, and also provides a reinforced connecting beam structure for the automobile.

According to the reinforced connecting beam structure for the vehicle, the main beam is integrally formed, one side of the section is an arc-shaped wall, and the middle arm extends from the arc-shaped center to the other side, so that the arc-shaped wall is divided into the upper supporting wall and the lower supporting wall by the middle arm; a plurality of connecting pieces are uniformly distributed above the main beam of the reinforced connecting beam structure, and a connecting bracket is arranged below the middle part of the main beam.

The connecting piece is of an integrated sheet structure, the connecting piece comprises a supporting piece which is horizontally arranged and a connecting piece which is obliquely arranged, the supporting piece is provided with a mounting hole which is used for being fixedly mounted with the bumper, and at least one sheet-shaped claw is arranged inside the connecting piece.

Preferably, the number of the sheet-shaped clamping claws is two, and the sheet-shaped clamping claws can be respectively clamped with the upper supporting wall and the middle arm of the main beam and are used for mounting and fixing the connecting sheets.

The connecting support comprises a plurality of connecting rods which are arranged in parallel, the connecting rods are fixedly connected through a plurality of locking bolts, the bottom surface of each connecting rod is fixedly connected with a connecting block, each connecting block is provided with a connecting platform which is bent upwards, and each connecting platform is provided with a mounting hole which is used for being fixedly mounted with a bumper.

Preferably, an L-shaped foot rest is arranged between the connecting rod and the connecting block, and an inclined strut is also arranged.

Compared with the prior art, the invention has the following advantages: 1. the bumper bracket for the automobile has higher strength and shock resistance and buffer capacity, can stably support the bumper and simultaneously effectively buffer collision during the movement of the automobile body, and protects the frame structure; 2. the reinforced connecting beam structure is beneficial to the mounting stability of the bumper through the optimized design of the cross section, the connecting sheet and the connecting bracket structure, the connecting strength and the stability are ensured while the shock resistance is improved, and the defects of structural relaxation and the like caused by shock absorption are avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

FIG. 1 is a schematic view showing a structure of a bumper bracket for an automobile according to the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 in another viewing direction;

FIG. 3 is an enlarged view of a partial structure of a bumper stay for an automobile;

FIG. 4 is a schematic structural view of a reinforced tie beam structure;

FIG. 5 is a schematic structural view of a connecting piece;

fig. 6 is a schematic structural view of the connection bracket.

1-reinforcing a connection beam structure; 11-upper support wall; 12-an intermediate arm; 13-lower buttress; 14-connecting sheets; 141-a supporting sheet; 142-connecting pieces; 143-sheet-shaped jaws; 15-connecting a bracket; 151-connecting bars; 152-locking bolt; 153-connecting block; 154-connection platform; 155-L-shaped foot rest; 156-diagonal bracing; 16-main beams; a 2-linkage arm; 21-a fixed arm segment; 211-a first fixing plate; 212-fixed arc segment; 213-fixing the concave section; 22-extension arm segments; 221-a second fixing plate; 222-a self-locking bolt; 223-through slots; 224-a concave groove; 23-connecting discs; 24-fixing bolts; 25-buffer interlayer.

Description of the embodiments

The present invention will be described in detail below with reference to the accompanying drawings.

The invention provides a bumper bracket for an automobile, which comprises a reinforced connecting beam structure 1, wherein connecting arms 2 are symmetrically fixed at two ends of the reinforced connecting beam structure 1; a plurality of connecting pieces 14 are uniformly distributed above a main beam 16 of the reinforced connecting beam structure 1, and a connecting bracket 15 is arranged below the middle part of the main beam 16; the connecting arm 2 is provided with a fixed arm section 21 and an extension arm section 22, a connecting disc 23 is oppositely arranged on the fixed arm section 21 and the extension arm section 22, the fixed arm section 21 and the extension arm section 22 are connected through fixing bolts 24 uniformly distributed on the connecting disc 23, and a buffer interlayer 25 is arranged between the connecting discs 23.

In the above-mentioned structure, strengthen the tie-beam structure 1 and realize the erection joint with the bumper through connection piece 14 and linking bridge 15, linking arm 2 is used for realizing the whole connection with the automobile frame, because the both ends of linking arm 2 are connected and are set up and the design of buffer sandwich 25 for the bumper is when meeting the collision, can reduce the holistic instantaneous impact to the frame through the buffering of this junction, improves the security of frame, obtains good antidetonation effect.

Wherein, the main beam 16 of the reinforced connecting beam structure 1 is integrally formed, one side of the section is an arc wall, and a middle arm 12 extends from the arc center to the other side, and the middle arm 12 divides the arc wall into an upper supporting wall 11 and a lower supporting wall 13; the fixed arm section 21 of the connecting arm 2 is provided with a fixing through hole which can be matched with the section of the main beam 16 of the reinforced connecting beam structure 1, so that the fixed arm section 21 can be sleeved on the reinforced connecting beam structure 1 and is not easy to rotate.

The fixed arm section 21 is provided with a plurality of first fixing plates 211 which are arranged in parallel, the fixed arm section 21 is fixedly sleeved on the main beam 16 of the reinforced connecting beam structure 1 through the first fixing plates 211, the first fixing plates 211 are provided with fixing arc sections 212 which can be matched with the extrados surface of the main beam 16, and are also provided with fixing concave sections 213 which can be matched with the outer wall of the middle arm 12 of the main beam 16, and the first fixing plates 211 are connected with the main beam 16 through the fixing arc sections 212 and the fixing concave sections 213 through bolts. The parallel arrangement of the rows of the first fixing plates 211 enables gaps to be formed between the plates, so that the force can be buffered and dissipated in a self-vibration mode when the force is applied, and the anti-vibration buffering capacity of the connecting part is improved; on the other hand, the connection and fixation mode of the fixed arc section 212 and the fixed concave section 213 is matched with the setting of the section shape of the main beam 16, so that the connection position is more stable, and the connection part is not easy to loosen in the anti-seismic process.

The extension arm section 22 is provided with a plurality of second fixing plates 221 arranged in parallel, and the second fixing plates 221 are fixedly connected through a plurality of self-locking bolts 222 distributed on the plate plane. The parallel arrangement of the second fixing plates 221 also enables gaps to be formed between the plates, so that the force can be buffered and dissipated in a self-vibration mode when the force is applied, and the anti-vibration buffering capacity of the connecting part is improved.

Wherein, the extension arm section 22 is provided with a through slot 223 on the plane (plate plane), which can further play a role in buffering on one hand and reduce the overall weight of the structure on the other hand.

Wherein the extension arm segment 22 is provided with a concave slot 224 at an end (plate end) for mating installation with a vehicle frame.

The connecting piece 14 is in an integrally formed sheet structure, the connecting piece 14 comprises a supporting piece 141 and a connecting piece 142, the supporting piece 141 is horizontally arranged, a mounting hole for being fixedly mounted with the bumper is formed in the supporting piece 141, and at least one sheet-shaped clamping jaw 143 is arranged in the connecting piece 142. Preferably, two sheet-like claws 143 are provided, which can be engaged with the upper support wall 11 and the middle arm 12 of the main beam 16, respectively, for fixing and mounting the connecting piece 14. The design of the sheet structure and the sheet claw 143 enables the connecting sheet 14 to have better connection and clamping reliability, which is beneficial to the installation stability of the bumper.

The connecting bracket 15 comprises a plurality of connecting rods 151 which are arranged in parallel, the connecting rods 151 are fixedly connected through a plurality of locking bolts 152, a connecting block 153 is fixedly connected to the bottom surface of each connecting rod 151, the connecting block 153 is provided with a connecting platform 154 which is bent upwards, and mounting holes for being fixedly mounted with a bumper are formed in the connecting platform 154. Preferably, an L-shaped foot rest 155 and a diagonal brace 156 are provided between the connecting rod 151 and the connecting block 153. The connecting bracket 15 is fixed on the main beam 16 (specifically on the middle arm 12) through the connecting rods 151, and the parallel connecting rods 151 also play a role in shock resistance and buffering through gaps; the connecting bracket 15 is one of main bearing components of the bumper, and the connecting block 153 is designed to ensure that the connection with the bumper is more stable and reliable, so that the deformation and damage of the connecting bracket 15 caused by a common connecting mode are avoided; the L-shaped foot rest 155 and the diagonal brace 156 ensure that the whole connecting support 15 has improved anti-seismic performance and simultaneously ensures the connecting strength and stability, thereby avoiding the defects of structure relaxation and the like caused by shock absorption.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims

1. A reinforcing connection beam structure for a vehicle is characterized in that a main beam is integrally formed, one side of the cross section of the main beam is an arc-shaped wall, and an intermediate arm extends from the arc-shaped center to the other side of the main beam, and the arc-shaped wall is divided into an upper supporting wall and a lower supporting wall by the intermediate arm; a plurality of connecting pieces are uniformly distributed above the main beam of the reinforced connecting beam structure, and a connecting bracket is arranged below the middle part of the main beam;

the connecting piece is of an integrally formed sheet structure and comprises a supporting piece which is horizontally arranged and a connecting piece which is obliquely arranged, the supporting piece is provided with a mounting hole which is used for being fixedly mounted with the bumper, and a sheet claw is arranged inside the connecting piece;

the two sheet-shaped clamping claws are respectively clamped with the upper supporting wall and the middle arm of the main beam and are used for mounting and fixing the connecting sheet;

the connecting support comprises a plurality of connecting rods which are arranged in parallel, the connecting rods are fixedly connected through a plurality of locking bolts, the bottom surface of each connecting rod is fixedly connected with a connecting block, each connecting block is provided with a connecting platform which is bent upwards, and each connecting platform is provided with a mounting hole for being fixedly mounted with the bumper;

an L-shaped foot rest is arranged between the connecting rod and the connecting block, and a diagonal bracing is also arranged.