CN111907608A - Connector suitable for being connected between automobile body crossbeam, side wall board and threshold roof beam - Google Patents

Abstract

The invention discloses a connector suitable for connecting between a vehicle body cross beam, a side wall plate and a threshold beam, which is connected at the connecting part between the vehicle body cross beam, the side wall plate and the threshold beam. The connecting joint suitable for being connected between the car body cross beam, the side wall plate and the threshold beam has high bending resistance and torsion resistance, can improve rigidity, meets the requirements of car body structural performance, reduces the manufacturing cost, and has the advantages of simple connecting process, high connecting reliability and high practicability.

Description

Connector suitable for being connected between automobile body crossbeam, side wall board and threshold roof beam

Technical Field

The invention relates to a connector suitable for connecting a car body cross beam, a side wall plate and a threshold beam, and relates to the technical field of automobile part assembly.

Background

Aluminum has the advantages of low density and light weight. Aluminum is a relatively good material from the viewpoint of weight reduction, but parts formed from aluminum plates are expensive in manufacturing dies, difficult to form, and inferior in strength and rigidity to steel parts. Parts of aluminum profile structure have sufficient strength and rigidity, are extruded with equal cross section during manufacturing, and have low manufacturing cost, so that aluminum is often formed on a vehicle body in a profile mode. But the connected common connected mode of connecting between present aluminium alloy is MIG welding and riveting, and the part is out of shape greatly during MIG welding, and the precision is difficult to guarantee, and because of riveting equipment occupation space is big, the weight is heavy during the riveting, there is very big limitation in connecting between section bar and section bar spare, and structural space is not enough often leads to riveting technology to be unable to realize.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the connector has enough strength and rigidity and is convenient to rivet and suitable for being connected between a vehicle body cross beam, a side wall plate and a threshold beam.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the utility model provides a connector suitable for be connected between automobile body crossbeam, side wall board and the threshold roof beam connects the junction between automobile body crossbeam, side wall board, threshold roof beam, includes main fixed bedplate and fixed bolster, the afterbody upside of threshold roof beam has the postluder connection board, the lower side plate body of side wall board is connected fixedly with the postluder connection board of threshold roof beam, and the overlapping plate body region of establishing junction between the two is the cooperation district, the main fixed bedplate laminates and connects fixedly with the plate body at the cooperation district place of side wall board, fixed bolster sets up to door type frame construction, includes the diaphragm and is located the backup pad of diaphragm both sides, and the perpendicular fixed connection of tip of its backup pad is on the plate body of main fixed bedplate, be connected fixedly between the tip of crossbeam and the fixed bolster.

Preferably, the cross beam is provided with a square supporting pipe body structure, the frame body of the fixed support frame is inserted into the square supporting pipe body structure, and the support plates on two sides of the fixed support frame are fixedly connected with two side walls of the supporting pipe body structure.

Preferably, the connection mode between the support plate and the two side walls of the support pipe body structure is FDS hot melt self-tapping connection.

Preferably, the number of FDS connection points between the support plate and the two side walls of the support pipe body structure is set to be plural.

Preferably, the connection mode among the tail connecting plate, the lower side plate body of the side wall plate and the middle plate body of the main fixing seat plate is FDS hot-melt self-tapping connection.

Preferably, when the ends of the cross beam are fixedly installed, the connection points of the FDS hot-melt self-tapping connection are distributed in a triangular vertex shape and are positioned on the periphery of the supporting pipe body at the ends of the cross beam.

Preferably, the connection mode among the tail connecting plate, the lower side plate body of the side wall plate and the upper part plate body among the main fixing seat plates is SPR self-piercing riveting.

Preferably, the riveting points of the SPR self-piercing riveting are arranged in a straight line at intervals.

Compared with the prior art, the invention has the advantages that: the connector that is applicable to being connected between automobile body crossbeam, side wall board and the threshold roof beam adopts FDS to connect, SPR connects the mode is connected the three, and three part has formed great cavity in the joint area, has very high bending resistance antitorque ability, can promote rigidity, satisfies automobile body structural performance requirement, and crossbeam, threshold roof beam and connection structure are aluminium extruded section in addition, and no mould expense reduces the cost of manufacture, and the simple process of connecting moreover, and the connection reliability is high, therefore the practicality is high.

Drawings

The invention is further described below with reference to the accompanying drawings:

FIG. 1 is a perspective view of the present invention as installed between a vehicle body cross member, side sills and a threshold sill;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged fragmentary view of the beam of FIG. 1, not shown;

FIG. 4 is a cross-sectional schematic view of a beam;

FIG. 5 is a side schematic view of the present invention in connection with a rocker beam;

FIG. 6 is a partial schematic view of the present invention in connection with a beam;

fig. 7 is a sectional view taken along a-a in fig. 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention:

as shown in fig. 1 to 5, the connecting joint suitable for connecting between a car body cross beam 1, a side wall panel 2 and a threshold beam 3 is mainly used for fixing the connection between the car body cross beam, the side wall panel and the threshold beam, and the car body cross beam, the side wall panel and the threshold beam are all existing car parts, and the whole structure thereof comprises a main fixing seat plate 4 and a fixing support frame, wherein the upper side of the tail part of the threshold beam is provided with a tail connecting plate, during normal installation, an overlapping area is arranged between the lower side plate body of the side wall panel and the tail connecting plate of the threshold beam, the overlapping plate body area of the overlapping area of the two is connected and fixed, the overlapping plate body area at the connection position between the main fixing seat plate and the side wall panel is a matching area 5, the main fixing seat plate and the plate body at the matching area of the side wall panel are jointed and fixed, in the embodiment, the main fixing seat plate is set to be a square plate body structure, for improving the connection steadiness, and for making things convenient for the jointing equipment to use, the connected mode between the middle part plate body of the lower side plate body of afterbody connecting plate, side wall board and main fixed bedplate is the mode that adopts hot melt self tapping screw 6 to connect through FDS hot melt self tapping, connects the steadiness for further improving moreover, the tie point that FDS hot melt self tapping connects sets up to three and is the distribution of triangle-shaped summit. In addition, the connection mode among the upper plate bodies among the tail connecting plate, the lower side plate body of the side wall plate and the main fixing seat plate is SPR self-piercing riveting, and the riveting points 7 of the SPR self-piercing riveting are arranged linearly according to intervals, so that the structural stability of connection among the tail connecting plate, the lower side plate body of the side wall plate and the main fixing seat plate is further improved.

In this embodiment, the fixing support frame is arranged to be a door-shaped frame structure, and comprises a transverse plate 8 and supporting plates 9 arranged on two sides of the transverse plate, the supporting plates and the transverse plate are of an integrally formed structure, the supporting plates and the transverse plate are perpendicular to each other, the end portions of the supporting plates are fixedly connected to the plate body of the main fixing seat plate, in practical application, the end portions of the supporting plates and the main fixing seat plate can be fixedly connected through welding, the supporting plates and the main fixing seat plate can also be arranged to be of an integrally formed structure, and the connecting mode can be selected as required.

The end part of the beam is fixedly connected with the fixed support frame, in practical application, because the beam has a square supporting tube body structure, as shown in fig. 4, the supporting tube body structure comprises a bottom plate 10 and a channel steel structure 11, the channel steel structure is reversely buckled on the bottom plate and forms a square cavity with the bottom plate, therefore, when in actual installation, as shown in fig. 6 and 7, the frame body of the fixed support frame is inserted into the square cavity at the end part of the beam, the support plates at two sides of the fixed support frame are fixedly connected with two side walls of the cavity, namely, the support plates are fixedly connected with the two side walls of the channel steel, in order to improve the connection stability, the connection mode between the support plates and the two side walls is that internal hot melting self tapping screws 12 are connected through FDS hot melting self tapping connection, and the number of FDS connection points between the support plates and the two side walls is multiple, in this embodiment, two locating holes can be preset on the backup pad, and the backup pad is connected with the pipe body structure fastening then through the pipe wall and the locating hole of hot melt self-tapping screw passing support body. In addition, when the end part of the beam is fixedly installed, the connection points of the FDS hot melting self-tapping connection are distributed in a triangular peak shape and are positioned on the periphery of the supporting pipe body at the end part of the beam.

Therefore, in the actual installation process, firstly, the connector and the cross beam are positioned and clamped through the tooling fixture within the manufacturing tolerance range, the end part of the cross beam and the fixed support frame of the connector are fixedly connected by adopting FDS connecting equipment to form a component, then the component and the side coaming and the doorsill beam are positioned and clamped by the tooling fixture, then the main fixed seat plate of the connector and the lower side plate body of the side coaming and the tail connecting plate of the doorsill beam are fixedly connected in the matching area by adopting the FDS connecting equipment and the SPR self-piercing riveting equipment, then the connection process of the integral structure is completed, after the connection is completed, large cavities are formed in the joint area by the three parts, the connecting device has high anti-bending capacity, the rigidity can be improved, and the structural performance requirements of the automobile body are met.

It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.

Claims (8)

1. The utility model provides a connector suitable for be connected between automobile body crossbeam, side wall board and the threshold roof beam, connects the junction between automobile body crossbeam, side wall board, threshold roof beam, its characterized in that: including main fixed bedplate and fixed bolster, the afterbody upside of threshold roof beam has the postluder connection board, the lower side plate body of side bounding wall is connected fixedly with the postluder connection board of threshold roof beam, and the overlapping plate body region of establishing junction between the two is the cooperation district, the main fixed bedplate is laminated and is connected fixedly with the plate body at the cooperation district place of side bounding wall, the fixed bolster sets up to door type frame construction, includes the diaphragm and is located the backup pad of diaphragm both sides, and the perpendicular fixed connection of tip of its backup pad is on the plate body of main fixed bedplate, be connected fixedly between the tip of crossbeam and the fixed bolster.

2. The connector of claim 1, wherein the connector is adapted for connection between a vehicle body cross member, a side panel and a threshold beam, and further comprises: the crossbeam has square support tube structure, the support body of fixed stay frame inserts in the square support tube structure, just it is fixed to be connected between the backup pad of fixed stay frame's both sides and the both sides wall of support tube structure.

3. The connector of claim 2, wherein the connector is adapted for connection between a body rail, a side panel and a threshold beam, and further comprises: the connection mode between the two side walls of the support plate and the support pipe body structure is FDS hot-melt self-tapping connection.

4. The connector of claim 3, wherein the connector is adapted for connection between a vehicle body cross member, a side panel and a threshold beam, and further comprises: the FDS connecting points between the two side walls of the supporting plate and the supporting pipe body structure are multiple in number.

5. The connector of claim 2, wherein the connector is adapted for connection between a body rail, a side panel and a threshold beam, and further comprises: the connection mode among the lower side plate body of the tail connecting plate, the side wall plate and the middle plate body of the main fixed seat plate is FDS hot-melt self-tapping connection.

6. The connector of claim 5, wherein the connector is adapted for connection between a vehicle body cross member, a side panel and a threshold beam, and further comprises: when the end part of the beam is fixedly installed, the connection points of the FDS hot-melting self-tapping connection are distributed in a triangular vertex mode and are located on the periphery of the supporting pipe body at the end part of the beam.

7. The connector of claim 1, wherein the connector is adapted for connection between a vehicle body cross member, a side panel and a threshold beam, and further comprises: the connection mode among the upper plate bodies among the tail connecting plate, the lower side plate body of the side wall plate and the main fixing seat plate is SPR self-piercing riveting.

8. The connector of claim 7, wherein the connector is adapted for connection between a body rail, a side panel and a rocker beam, and further comprises: the riveting points of the SPR self-piercing riveting are arranged in a straight line at intervals.

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