CN204383578U - A car frame structure - Google Patents

Abstract

The utility model provides an automobile frame structure applied to the field of automobile chassis technology. The front cross beam (1) of the frame structure is fixedly connected to the front ends of two longitudinal beams (2). A plurality of raised strips (5) arranged along a circumference of the longitudinal beam body (3) are arranged on a longitudinal beam body (3) of the longitudinal beam (2). A plurality of recessed grooves (6) corresponding to the positions of the raised strips (5) are arranged on the inner wall of a longitudinal beam set (4). One end of the longitudinal beam set (4) is sleeved on the longitudinal beam body (3), and the other end of the longitudinal beam set (4) is connected to the front cross beam (1). The plurality of raised strips (5) are respectively embedded in the plurality of recessed grooves (6). According to the frame structure of the utility model, when a general collision occurs to the automobile, the front cross beam can effectively absorb the impact force generated by the collision to avoid damage to the driver and passengers in the automobile; when a serious collision occurs to the automobile, the front cross beam plays a role of crushing buffer, effectively protecting the safety of the driver and passengers and improving the safety performance of the whole vehicle.

Description

A car frame structure

technical field

The utility model belongs to the technical field of automobile chassis, and more specifically relates to an automobile frame structure.

Background technique

The car frame structure is an important component of the car. The car frame structure not only bears the supporting role, but also has the function of absorbing the collision energy when the car collides. When the collision force is large, the car frame structure also needs to have a buffering effect to avoid large The collision force will cause damage to the driver and occupants. The automobile frame structure in the prior art cannot effectively meet the above requirements. When the automobile collides, it cannot meet the requirements of absorbing the collision energy. When the collision force is large, the buffering effect is also poor.

Utility model content

The technical problem to be solved by the utility model is: to provide a car with a simple structure, which can effectively absorb the collision energy when the car collides normally, and has a crushing and buffering effect when the collision force is large, so as to effectively protect the safety of the drivers and passengers. , to avoid or reduce the damage caused by collision accidents, and to improve the performance of the vehicle frame structure.

To solve the technical problems described above, the technical solution that the utility model takes is:

The utility model relates to an automobile frame structure. The frame structure includes a front crossbeam and two longitudinal beams. The front crossbeam is fixedly connected with the front ends of the two longitudinal beams. Beam kit, the stringer body is provided with multiple raised strips along the circumference of the stringer body, the inner wall of the stringer kit is provided with multiple recessed grooves corresponding to the positions of the raised strips, and one end of the stringer kit is set on the stringer body On the upper part, the other end of the longitudinal beam kit is connected with the front beam, and the multiple raised strips are respectively embedded in the multiple concave grooves.

The two longitudinal beams include a left longitudinal beam and a right longitudinal beam, the front ends of the left longitudinal beam and the right longitudinal beam are respectively fixedly connected with the front cross beam, and the vehicle frame structure also includes two buffer parts, the front A buffering part is installed between the crossbeam and the left longitudinal beam, and another buffering part is installed between the front crossbeam and the right longitudinal beam, and the buffering part is arranged as a pipe structure with folds.

One end of the two buffer parts is fixedly connected to the front beam, and the other ends of the two buffer parts are respectively fixedly connected to the two longitudinal beam sets of the two longitudinal beams. The front beam is an outwardly protruding arc structure.

The front beam includes a plate part, a U-shaped stress-bearing part, and the force-bearing part is welded and connected to the plate part. The plate part is fixedly connected to one end of the two buffer parts respectively, and the two buffer parts The other ends of the two stringers are respectively fixedly connected with the two stringer sets of the two stringers.

The stress-receiving part is welded with a U-shaped reinforcing plate, and the reinforcing plate is welded to the stress-receiving part.

By adopting the technical scheme of the utility model, the following beneficial effects can be obtained:

The automobile frame structure described in the utility model is connected with two longitudinal beams through the front cross beam, and the two longitudinal beams are respectively arranged as a structure including the longitudinal beam body and the longitudinal beam kit. When the car generally collides, the front cross beam can effectively The ability to absorb collisions can avoid excessive deformation and damage of the front beam and the frame structure as a whole, thereby avoiding damage to the drivers and passengers in the car and ensuring the safety of the drivers and passengers in the car; when the car has a serious collision, the collision force is relatively large , the folds of the buffer part shrink, and the longitudinal beam body and the longitudinal beam kit of the two longitudinal beams also collapse. The longitudinal beam body shrinks into the longitudinal beam kit, which acts as a collapse buffer and effectively protects the driver Personnel safety, avoiding damage to drivers and passengers caused by large collision impact force, and improving the safety performance of the vehicle.

Description of drawings

The following is a brief description of the contents expressed in the drawings of this manual and the marks in the drawings:

Fig. 1 is the top view structure schematic diagram of automobile frame structure described in the utility model;

Fig. 2 is the sectional structural representation of the A-A plane of the automobile frame structure described in Fig. 1;

The marks in the drawings are: 1. Front beam; 2. Longitudinal beam; 3. Longitudinal beam body; 4. Longitudinal beam kit; Longitudinal beam; 9. Buffer part; 10. Fold part; 11. Plate part; 12. Forced part; 13. Reinforcement plate.

Detailed ways

Below with reference to accompanying drawing, through the description of embodiment, to the specific embodiment of the present utility model such as the shape of each member involved, structure, mutual position and connection relationship between each part, the effect of each part and working principle etc. Further details:

As shown in accompanying drawing 1-accompanying drawing 2, the utility model is a kind of vehicle frame structure, and described vehicle frame structure comprises front beam 1, two longitudinal beams 2, front end of front beam 1 and two longitudinal beams 2 fixed connection, the longitudinal beam 2 includes a longitudinal beam body 3, a longitudinal beam suite 4, a plurality of raised strips 5 arranged along the circumference of the longitudinal beam body 3 are arranged on the longitudinal beam body 3, and a plurality of lines are arranged on the inner wall of the longitudinal beam suite 4 The recessed grooves 6 corresponding to the positions of the raised strips 5 one by one, one end of the longitudinal beam kit 4 is set on the longitudinal beam body 3, the other end of the longitudinal beam kit 4 is connected with the front beam 1, and the plurality of raised strips 5 are respectively embedded in the Multiple grooves are recessed in the groove 6. The front crossbeam 1 is connected with two longitudinal beams 2, and the two longitudinal beams are respectively set up as a structure including the longitudinal beam body and the longitudinal beam kit. When the car collides normally, the front crossbeam 1 can effectively absorb the impact force generated by the collision and avoid Excessive deformation and damage of the front beam 1 and the frame structure as a whole will avoid damage to the occupants in the vehicle due to the collision and ensure the safety of the occupants in the vehicle; Collapse also occurs between the longitudinal beam body 3 and the longitudinal beam set 4 of the beam 1, and the longitudinal beam body 3 shrinks into the longitudinal beam set 4 to buffer the impact force, effectively protect the safety of drivers and passengers, and avoid large collisions The impact force will cause damage to the driver and passengers, which improves the safety performance of the vehicle.

The two longitudinal beams 2 include a left longitudinal beam 7 and a right longitudinal beam 8, the front ends of the left longitudinal beam 7 and the right longitudinal beam 8 are fixedly connected with the front cross beam 1 respectively, and the vehicle frame structure also includes Two buffer parts 9, one buffer part 9 is installed between the front beam 1 and the left longitudinal beam 7, another buffer part 9 is installed between the front beam 1 and the right longitudinal beam 8, and the buffer part 9 is set as a folded part 10 pipe fittings structure. The setting of the buffer part 9, when the car has a serious collision, the folds 10 of the buffer part 9 shrink, and the collapse occurs between the front beam 1 and the two longitudinal beams 2, which plays the role of collapse buffer and avoids a large collision The impact force can cause damage to the occupants.

One end of the two buffer parts 9 is fixedly connected to the front beam 1, and the other ends of the two buffer parts 9 are respectively fixedly connected to the two longitudinal beam sets 4 of the two longitudinal beams 2, and the buffer parts 9 are set to be supported by steel Such a structure ensures reliable connection performance between the buffer part and the front beam and longitudinal beam, and at the same time, the folded part 10 of the buffer part 9 can shrink in time to play the role of collapse buffer in the event of a severe collision. The front crossbeam 1 is an outwardly protruding arc structure, so that when a foreign object collides with the front crossbeam of the vehicle, the front crossbeam can effectively absorb the impact force generated by the collision, and avoid excessive deformation and damage of the front crossbeam and the vehicle frame structure as a whole.

The front beam 1 includes a plate portion 11, a U-shaped stress portion 12, the force portion 12 is welded to the plate portion 11, and the plate portion 11 is connected to one end of the two buffer portions 9 respectively. Fixedly connected, the other ends of the two buffer parts 9 are respectively fixedly connected with the two longitudinal beam sets 4 of the two longitudinal beams 2 .

The stressed portion 12 is welded with a U-shaped reinforcing plate 13 , and the reinforced plate 13 is welded to the stressed portion 12 . The arrangement of the reinforcing plate 13 improves the strength of the front beam 1, thereby effectively preventing the impact force caused by the collision between foreign objects and the automobile, and preventing the collision from causing serious damage to the occupants in the automobile.

The automobile frame structure described in the utility model is connected with two longitudinal beams through the front cross beam, and the two longitudinal beams are respectively set as a structure including the longitudinal beam body and the longitudinal beam kit. When the car generally collides, the front cross beam can effectively The ability to absorb collisions can avoid excessive deformation and damage of the front beam and frame structure, thereby avoiding damage to the drivers and passengers in the car and ensuring the safety of the drivers and passengers in the car; when a car has a serious collision, the collision force is relatively large , the folds of the buffer part shrink, the longitudinal beam body and the longitudinal beam kit of the two longitudinal beams also collapse, and the longitudinal beam body shrinks into the longitudinal beam kit, which acts as a collapse buffer and effectively protects the driver Personnel safety, avoiding damage to drivers and passengers caused by large collision impact force, and improving the safety performance of the vehicle.

The utility model has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned method, as long as various improvements of the method concept and technical solutions of the utility model are adopted, or without Improvements that directly apply the ideas and technical solutions of the utility model to other occasions are within the protection scope of the utility model.

Claims (5)

1. a Truck Frame Structure, described body frame structure for automotive comprises front cross rail (1), twice longeron (2), front cross rail (1) is fixedly connected with the leading section of twice longeron (2), it is characterized in that: described longeron (2) comprises longeron body (3), longeron external member (4), longeron body (3) is arranged the raised item (5) that multiple tracks is arranged along longeron body for (3) weeks, longeron external member (4) inwall arranges multiple tracks and raised item (5) position recessed pockets (6) one to one, longeron external member (4) one end is sleeved on longeron body (3), longeron external member (4) other end is connected with front cross rail (1), multiple tracks raised item (5) is inlaid in multiple tracks recessed pockets (6) respectively.

2. Truck Frame Structure according to claim 1, it is characterized in that: described twice longeron (2) comprises left longeron (7) and right vertical beam (8), the leading section of left longeron (7) is fixedly connected with front cross rail (1) respectively with the leading section of right vertical beam (8), described body frame structure for automotive also comprises two buffer part (9), a buffer part (9) is installed between front cross rail (1) and left longeron (7), another buffer part (9) is installed between front cross rail (1) and right vertical beam (8), described buffer part (9) is set to the fitting structure being with pleated portions (10).

3. Truck Frame Structure according to claim 2, it is characterized in that: one end of two described buffer part (9) is fixedly connected with front cross rail (1), the other end of two buffer part (9) is fixedly connected with two longeron external members (4) of twice longeron (2) respectively, and front cross rail (1) is outwardly arcuate structure.

4. Truck Frame Structure according to claim 3, it is characterized in that: described front cross rail (1) comprises plate portion (11), the forced section (12) of U-shaped structure, forced section (12) is welded with plate portion (11) and is connected, described plate portion (11) is fixedly connected with one end of two buffer part (9) respectively, and the other end of two buffer part (9) is fixedly connected with two longeron external members (4) of twice longeron (2) respectively.

5. Truck Frame Structure according to claim 4, it is characterized in that: the reinforcement plate (13) of described forced section (12) welding U-shaped, described reinforcement plate (13) and forced section (12) are welded to connect.