Front floor lower cross beam with reinforcing structure
By designing reinforcement rods, U -shaped plates, thread rods, wedge grooves and limitations in the front floor beams, the beams are disassembled and replaced, and the cost of waste and replacement costs caused by the inability to split the beams in the existing technologies can be solved. High problems improve the safety and replacement efficiency of the car body.
Patent Information
- Application Number
- CN202420492525.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-14
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-03-14
AI Technical Summary
The existing front floor lower beam with reinforced structure is welded and fixed, so it cannot be separated. The entire beam needs to be replaced when the beam is damaged, resulting in waste of materials and high replacement costs.
A kind of front floor beam with a reinforcement structure is designed. The reinforcement rod, U -shaped plate, thread rod, wedge slot, and limiting mechanism are set on the middle and side beams to achieve the disassembly and replacement of the beams.
The separate replacement of the beams is achieved, reducing the waste and replacement costs of materials, while improving the safety of the car body.
Smart Images
Figure CN222408402U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile accessories, in particular to a front underfloor cross beam with a reinforcement structure. Background Art
[0002] The existing front floor under-beam is mainly a separate plate body, and the connecting plate is only connected to the frame. Although the integrated crossbeam structure is simple, it makes the torsional rigidity of the automobile floor frame assembly poor. Once a side collision occurs, the automobile floor is easily deformed and damaged, and the safety of the entire vehicle body is not high.
[0003] Among them, the announcement number CN218316960U discloses a front floor under-beam with a reinforcement structure, including a middle beam and two side beams, the two side beams are respectively fixedly connected to the left and right sides of the middle beam, the side beams include side plate frames, the rear side walls of the side beam plates are processed and formed with side rear flanges, and the front side walls of the side beam plates are processed and formed with side front flanges. There are still defects in this technical solution:
[0004] In this technical solution, the middle beam and the side beams are fixed by welding and therefore cannot be disassembled. When part of the beam is damaged, the entire beam needs to be replaced, which not only wastes materials but also has a high replacement cost. Utility Model Content
[0005] In view of the problems existing in the existing front under-floor cross beam with a reinforcement structure, the present utility model is proposed.
[0006] Therefore, the purpose of the utility model is to provide a front under-floor cross beam with a reinforcement structure, which solves the problem that the middle cross beam and the side cross beams of the front under-floor cross beam with a reinforcement structure in the prior art are fixed by welding and therefore cannot be disassembled. When part of the cross beam is damaged, the entire cross beam needs to be replaced, which not only wastes materials but also has high replacement costs.
[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0008] A front floor under-cross beam with a reinforcement structure, comprising a middle beam and side beams, wherein two side beams are disposed at both ends of the middle beam, and reinforcement rods are disposed above the two side beams, and both ends of the reinforcement rods are rotatably connected to connection blocks through axle pins, wherein the connection block on one side is fixedly connected to the side beam, and the connection block on the other side is fixedly connected to a U-shaped plate, wherein the U-shaped plate is sleeved with one end of the middle beam, and a threaded rod is sleeved on the inner side of the lower end of the U-shaped plate, and the threaded rod is in conflict with the lower side of the middle beam;
[0009] A plurality of wedge-shaped grooves are provided at the front sides of both ends of the middle beam, and a wedge-shaped block is clamped inside each of the plurality of wedge-shaped grooves, and one side of the wedge-shaped block is fixedly connected to the end of the corresponding side beam;
[0010] A limiting mechanism for limiting the movement of the wedge block is arranged on the outer side of one end of the side beam close to the middle beam.
[0011] Preferably, the limiting mechanism includes a fixed ring and a movable ring, the fixed ring is fixedly sleeved on the outer wall of one end of the side beam close to the middle beam, the movable ring is movably sleeved between the end close to the side beam and the middle beam, cross bars are movably penetrated inside both ends of the fixed ring, one end of the cross bar is fixedly connected to the movable ring, and the other end of the cross bar is fixedly sleeved with a baffle, the baffle is in conflict with the side of the fixed ring away from the movable ring, a cavity is opened at the middle end of the cross bar, a slider is slidably arranged inside the cavity, a clamping block is fixedly arranged on the upper side of the slider, the upper end of the clamping block extends to the outside of the cavity, and the outer end of the clamping block is in conflict with the side of the fixed ring close to the movable ring.
[0012] Preferably, a spring is fixedly provided on a side of the sliding block away from the clamping block, and the other end of the spring is fixedly connected to the inner wall of the cavity.
[0013] Preferably, the cross-sections of the slider and the cavity are both rectangular.
[0014] Preferably, the plurality of wedge blocks and the corresponding side beams are integrally formed.
[0015] Preferably, the surfaces of the middle beam and the side beams are coated with an anti-corrosion coating.
[0016] In the above technical solution, the technical effects and advantages provided by the utility model are:
[0017] The utility model releases the limit of the U-shaped plate by rotating and removing the threaded rod, removes the U-shaped plate from the middle beam, and then pushes the clamping blocks on both sides into the corresponding cavities, that is, releases the limit of the cross bar, and then pulls the cross bar to the side away from the movable ring, the cross bar drives the movable ring to move away from the front side of the wedge-shaped groove, that is, releases the limit of the wedge block, and then the wedge block can be pulled to the front side to move the wedge block out of the wedge groove, that is, releases the limit of the side beams and the middle beam, that is, it is convenient to replace the damaged parts separately, reduces the waste of materials, and reduces the replacement cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.
[0019] Figure 1 This is a schematic diagram of the structure of a front underfloor crossbeam with a reinforcement structure proposed by the utility model;
[0020] Figure 2 for Figure 1 A schematic diagram of the structure of the middle part A is enlarged;
[0021] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of part B in the middle.
[0022] Description of reference numerals:
[0023] 1. Middle beam; 2. Side beam; 3. Reinforcement rod; 4. U-shaped plate; 5. Threaded rod; 6. Axle pin; 7. Connecting block; 8. Wedge block; 9. Movable ring; 10. Fixed ring; 11. Block; 12. Baffle; 13. Slider; 14. Block; 15. Spring. DETAILED DESCRIPTION
[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0025] The utility model embodiment discloses a front under-floor cross beam with a reinforcement structure.
[0026] Reference Figure 1-3 A front floor under-beam with a reinforcement structure, comprising a middle beam 1 and a side beam 2, the two side beams 2 are arranged at both ends of the middle beam 1, the surfaces of the middle beam 1 and the side beams 2 are coated with anti-corrosion coatings to improve the corrosion resistance of the middle beam 1 and the side beams 2, and reinforcement rods 3 are arranged above the two side beams 2, both ends of the reinforcement rods 3 are rotatably connected to connection blocks 7 through axle pins 6, one side of the connection block 7 is fixedly connected to the side beam 2, and the other side of the connection block 7 is fixedly connected to a U-shaped plate 4, the U-shaped plate 4 is sleeved with one end of the middle beam 1, and a threaded rod 5 is threadedly sleeved on the inner side of the lower end of the U-shaped plate 4, and the threaded rod 5 is in conflict with the lower side of the middle beam 1;
[0027] Reference Figure 1-3 A plurality of wedge-shaped grooves are provided on the front sides of both ends of the middle beam 1, and a wedge-shaped block 8 is clamped inside each of the plurality of wedge-shaped grooves. One side of the wedge-shaped block 8 is fixedly connected to the end of the corresponding side beam 2. The plurality of wedge-shaped blocks 8 and the corresponding side beam 2 are integrally formed to improve the stability of the connection between the wedge-shaped block 8 and the side beam 2.
[0028] Reference Figure 1-3A limiting mechanism for limiting the movement of the wedge block 8 is provided on the outer side of one end of the side beam 2 close to the middle beam 1, and the limiting mechanism includes a fixed ring 10 and a movable ring 9. The fixed ring 10 is fixedly sleeved on the outer wall of one end of the side beam 2 close to the middle beam 1, and the movable ring 9 is movably sleeved between the end close to the side beam 2 and the middle beam 1. Cross bars 11 are movably penetrated inside both ends of the fixed ring 10, one end of the cross bar 11 is fixedly connected to the movable ring 9, and a baffle 12 is fixedly sleeved on the other end of the cross bar 11, and the baffle 12 conflicts with the side of the fixed ring 10 away from the movable ring 9. A cavity is opened at the middle end of the cross bar 11, and a slider 13 is slidably arranged inside the cavity. A clamping block 14 is fixedly arranged on the upper side of the slider 13, and the upper end of the clamping block 14 extends to the outside of the cavity, and the outer end of the clamping block 14 conflicts with the side of the fixed ring 10 close to the movable ring 9.
[0029] Reference Figure 1-3 A spring 15 is fixedly provided on one side of the slider 13 away from the block 14, and the other end of the spring 15 is fixedly connected to the inner wall of the cavity, so that the slider 13 can automatically reset. The cross-sections of the slider 13 and the cavity are both rectangular, so that the slider 13 cannot rotate, that is, it can slide stably.
[0030] In the utility model, when the damaged part needs to be replaced, the threaded rod 5 is rotated to remove, the limit on the U-shaped plate 4 is released, the U-shaped plate 4 is removed from the middle beam 1, and then the two side blocks 14 are pushed into the corresponding cavities, that is, the limit on the cross bar 11 is released, and then the cross bar 11 is pulled to the side away from the movable ring 9, and the cross bar 11 drives the movable ring 9 to move away from the front side of the wedge-shaped groove, that is, the limit on the wedge block 8 is released, and the wedge block 8 can be pulled to the front side, so that the wedge block 8 is moved out of the wedge groove, that is, the limit on the side beams 2 and the middle beam 1 is released, that is, it is convenient to replace the damaged parts separately, reduce material waste, and reduce replacement costs.
[0031] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. A front underfloor cross beam with a reinforcement structure, comprising a middle beam (1) and a side beam (2), characterized in that: The two side beams (2) are arranged at the two ends of the middle beam (1) against each other, and a reinforcing rod (3) is arranged above the two side beams (2). Both ends of the reinforcing rod (3) are rotatably connected to a connecting block (7) through an axle pin (6). The connecting block (7) on one side is fixedly connected to the side beam (2), and the connecting block (7) on the other side is fixedly connected to a U-shaped plate (4). The U-shaped plate (4) is sleeved with one end of the middle beam (1), and a threaded rod (5) is threadedly sleeved on the inner side of the lower end of the U-shaped plate (4), and the threaded rod (5) is in contact with the lower side of the middle beam (1); A plurality of wedge-shaped grooves are provided at the front sides of both ends of the middle beam (1), a wedge-shaped block (8) is clamped inside each of the plurality of wedge-shaped grooves, and one side of the wedge-shaped block (8) is fixedly connected to the end of the corresponding side beam (2); A limiting mechanism for limiting the movement of the wedge block (8) is provided on the outer side of one end of the side beam (2) close to the middle beam (1).
2. The front underfloor cross member with a reinforcement structure according to claim 1, characterized in that: The limiting mechanism comprises a fixed ring (10) and a movable ring (9), wherein the fixed ring (10) is fixedly sleeved on the outer wall of one end of the side beam (2) close to the middle beam (1), and the movable ring (9) is movably sleeved between the end close to the side beam (2) and the middle beam (1), and cross bars (11) are movably penetrated inside both ends of the fixed ring (10), one end of the cross bar (11) is fixedly connected to the movable ring (9), and the other end of the cross bar (11) is fixedly connected to the movable ring (9), and the movable ring (9) is fixedly sleeved between the end of the side beam (2) and the middle beam (1). A baffle (12) is sleeved, and the baffle (12) contacts the side of the fixed ring (10) away from the movable ring (9). A cavity is opened at the middle end of the cross bar (11), and a slider (13) is slidably arranged inside the cavity. A clamping block (14) is fixedly arranged on the upper side of the slider (13), and the upper end of the clamping block (14) extends to the outside of the cavity. The outer end of the clamping block (14) contacts the side of the fixed ring (10) close to the movable ring (9).
3. The front underfloor cross member with a reinforcement structure according to claim 2, characterized in that: A spring (15) is fixedly arranged on one side of the sliding block (13) away from the clamping block (14), and the other end of the spring (15) is fixedly connected to the inner wall of the cavity.
4. The front underfloor cross member with a reinforcement structure according to claim 2, characterized in that: The cross sections of the slider (13) and the cavity are both rectangular.
5. The front underfloor cross member with a reinforcement structure according to claim 1, characterized in that: The plurality of wedge-shaped blocks (8) and the corresponding side beams (2) are all integrally formed.
6. The front underfloor cross member with a reinforcement structure according to claim 1, characterized in that: The surfaces of the middle beam (1) and the side beams (2) are both coated with an anti-corrosion coating.