CN215590458U

CN215590458U - Be applicable to left back door crash bar assembly of car

Info

Publication number: CN215590458U
Application number: CN202121213544.8U
Authority: CN
Inventors: 李娜
Original assignee: Qingdao Dongtaiyuan Machinery Co ltd
Current assignee: Qingdao Dongtaiyuan Machinery Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2022-01-21
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses an anti-collision rod assembly suitable for a left rear door of an automobile, which comprises a primary anti-collision rod, a secondary anti-collision rod, a middle reinforcing part, a stress part and a mounting plate, wherein the middle part of the primary anti-collision rod is provided with the secondary anti-collision rod, the primary anti-collision rod and the secondary anti-collision rod are both designed in cylindrical structures, the cross-sectional area of the primary anti-collision rod is smaller than that of the secondary anti-collision rod, the middle part of the primary anti-collision rod is inserted into the inner part of the secondary anti-collision rod and is arranged in a crossed manner, the upper outer wall and the lower outer wall of the primary anti-collision rod are fixedly provided with the middle reinforcing part, the outer part of the middle reinforcing part is provided with a reinforcing hole, the outer surfaces of the primary anti-collision rod and the secondary anti-collision rod are both fixedly provided with the stress part, the external impact force is partially buffered by the elastic potential energy of a compression spring, the impact of the external force on a vehicle body and the personnel in the automobile is reduced, the better protection is carried out on the driver and the safety performance is improved, and meanwhile, the inner layer steel plate is arranged in the stress part, the structural strength of the stress piece can be improved through the arranged inner steel plate.

Description

Be applicable to left back door crash bar assembly of car

Technical Field

The utility model relates to the technical field of automobile safety accessories, in particular to an anti-collision rod assembly suitable for a left rear door of an automobile.

Background

The automobile is driven by a self-equipped power device, generally has four or more wheels, runs on land without depending on rails or overhead lines, is usually used as a passenger and cargo carrying trailer or a passenger and cargo towing trailer, is modified or is provided with special equipment to form a special vehicle for completing specific transportation tasks or operation tasks, but does not comprise machinery specially used for agriculture, and has the running system that various assemblies and parts of the automobile are arranged at proper positions and support the whole automobile so as to ensure the normal running of the automobile. The running system consists of a frame, an axle, a suspension, wheels and the like, and has the following functions: 1. the power transmitted by the transmission system is converted into the driving force of the automobile through wheels; 2. bearing and transmitting various forces and moments acted on the wheels by the road surface, absorbing vibration and easing impact; 3. the steering system is matched with the steering system to realize the correct control of the automobile running; 4. the automobile bumper is used for supporting the weight of the whole automobile, and a plurality of automobile accessories can be used when the existing household automobile is produced, wherein the automobile accessories comprise a left rear door bumper bar, but the existing bumper bar is only a single bumper bar when in use, is poor in stress performance and does not have certain protection performance.

Disclosure of Invention

The present invention is directed to a bumper assembly for a left rear door of an automobile, which solves the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a be applicable to left back door crash bar assembly of car, includes one-level crash bar, second grade crash bar, middle part reinforcement, atress and mounting panel, one-level crash bar middle part is equipped with the second grade crash bar, one-level crash bar and second grade crash bar are cylindrical structural design, the cross sectional area of one-level crash bar is less than the cross sectional area of second grade crash bar, inside and the cross arrangement of second grade crash bar is inserted at one-level crash bar middle part, fixed mounting has the middle part reinforcement on the outer wall about the one-level crash bar, middle part reinforcement outside is equipped with the reinforcement hole, equal fixed mounting has the atress on one-level crash bar and the second grade crash bar surface.

Preferably, inner fixed mounting of stress piece has the inlayer steel sheet, stress piece top inner wall fixed mounting has the stress board, stress board below just is located the inside fixed mounting of stress piece and has the slide bar, slide bar surface cover is equipped with the slider of two relative settings.

Preferably, the sliding rod is connected with the sliding part in a sliding mode, the two sides of the lower surface of the stress plate are fixedly provided with one-stage connecting seats, and the two upper surfaces of the sliding part are fixedly provided with two-stage connecting seats.

Preferably, a connecting rod is rotatably connected between the second-stage connecting seat and the first-stage connecting seat through a rotating shaft, stress springs are fixedly mounted on the outer walls of the two sliding parts, and one ends, far away from the sliding parts, of the stress springs are fixedly connected with the inner walls of the stress parts.

Preferably, the mounting panel is all installed through welded fastening at one-level crash bar and second grade crash bar both ends, the mounting hole has all been seted up to mounting panel surface dead angle department.

Compared with the prior art, the utility model has the beneficial effects that:

1. through being provided with one-level crash bar and second grade crash bar, can carry out body of rod encapsulation processing to the rear door of left side through the one-level crash bar and the second grade crash bar that set up, thereby can effectively improve the whole crashproof intensity of rear door, better result of use and security performance have, and through the cross design of run-through between one-level crash bar and the second grade crash bar, this kind of structural design, when in-service use, can make one-level crash bar and second grade crash bar be in the coplanar, effectively reduce door inner space occupancy, improve the result of use, through being provided with the mounting panel on one-level crash bar and second grade crash bar top, can be with one-level crash bar and second grade crash bar fixed mounting in the door through the mounting panel, conveniently install, reduce assembly time.

2. Through being provided with the atress piece in one-level crash bar and second grade crash bar outside, when this atress piece suffers external force and assaults, external force can be used in the atress board, when external force causes the atress board to deform, the atress board can compress inwards, thereby can support the connecting rod through the atress board, thereby make the connecting rod support the slider on top, make the slider of both sides keep away from each other, slider can compress the atress spring this moment, thereby elastic potential energy through compression spring carries out partial atress buffering to external impact force, reduce external force and personnel's in automobile body and the car impact, better protects driving and riding personnel, the security performance is improved, simultaneously through being provided with the inlayer steel sheet in atress piece inside, the structural strength of atress piece can be improved through the inlayer steel sheet that sets up.

Drawings

FIG. 1 is a schematic external view of the present invention;

FIG. 2 is a schematic view of the internal structure of the force-bearing member of the present invention;

fig. 3 is a schematic structural view of a joint of a primary bumper bar and a secondary bumper bar according to the present invention.

In the figure: 1. a first-level bumper bar; 2. a secondary bumper bar; 3. a middle reinforcement; 4. a force-receiving member; 5. mounting a plate; 6. mounting holes; 7. an inner layer steel plate; 8. a stress plate; 9. a primary connecting base; 10. a slide bar; 11. a slider; 12. a secondary connecting seat; 13. a connecting rod; 14. a stressed spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an anti-collision rod assembly suitable for a left rear door of an automobile comprises a primary anti-collision rod 1, a secondary anti-collision rod 2, a middle reinforcing member 3, a stress member 4 and a mounting plate 5, wherein the middle part of the primary anti-collision rod 1 is provided with the secondary anti-collision rod 2, the primary anti-collision rod 1 and the secondary anti-collision rod 2 are both designed in a cylindrical structure, the cross-sectional area of the primary anti-collision rod 1 is smaller than that of the secondary anti-collision rod 2, the middle part of the primary anti-collision rod 1 is inserted into the secondary anti-collision rod 2 and is arranged in a crossed manner, when the automobile bumper is actually used, the primary bumper bar 1 and the secondary bumper bar 2 can be positioned in the same plane, the occupancy rate of the internal space of an automobile door is effectively reduced, the using effect is improved, the upper outer wall and the lower outer wall of the primary bumper bar 1 are fixedly provided with the middle reinforcing members 3, reinforcing holes are formed in the outer parts of the middle reinforcing members 3, the mounting strength of the bumper bar can be improved by the middle reinforcing members 3, and the outer surfaces of the primary bumper bar 1 and the secondary bumper bar 2 are fixedly provided with the stress parts 4;

further, stress 4 can be according to the size length of different motorcycle types when actual production and use, and the position of dynamic regulation stress 4 on two crash bars to make the crash bar when suffering external force collision, stress 4 can be abundant contact with external force, make the atress cushioning effect maximize.

In this embodiment, inner steel plate 7 is fixedly installed on the inner layer of stress element 4, stress plate 8 is fixedly installed on the inner wall above stress element 4, sliding rod 10 is fixedly installed below stress plate 8 and inside stress element 4, and two sliding parts 11 which are arranged oppositely are sleeved on the outer surface of sliding rod 10.

In this embodiment, the sliding rod 10 is slidably connected to the sliding member 11, the first-stage connecting seat 9 is fixedly installed on both sides of the lower surface of the stress plate 8, and the second-stage connecting seat 12 is fixedly installed on the upper surfaces of the two sliding members 11.

In this embodiment, a connecting rod 13 is rotatably connected between the second-stage connecting seat 12 and the first-stage connecting seat 9 through a rotating shaft, a force-receiving spring 14 is fixedly mounted on the outer wall of each of the two sliding members 11, and one end of the force-receiving spring 14, which is far away from the sliding member 11, is fixedly connected with the inner wall of the force-receiving member 4.

In this embodiment, mounting panel 5 has all been installed through welded fastening in one-

level crash bar

1 and 2 both ends of second grade crash bar, and mounting hole 6 has all been seted up to 5 surface dead angles departments of mounting panel to conveniently carry out the door installation work of crash bar, reduce installation time, improve assembly efficiency.

When in use, the first-stage bumper bar 1 and the second-stage bumper bar 2 are arranged, the left rear door can be packaged by the first-stage bumper bar 1 and the second-stage bumper bar 2, so that the overall anti-collision strength of the rear door can be effectively improved, compared with the existing single bumper bar, the bumper bar has better use effect and safety performance, the first-stage bumper bar 1 and the second-stage bumper bar 2 are designed by a penetrating type cross structure, the structural design can ensure that the first-stage bumper bar 1 and the second-stage bumper bar 2 are in the same plane when in actual use, effectively reduces the occupancy rate of the inner space of the door, improves the use effect, the mounting plate 5 is arranged at the top ends of the first-stage bumper bar 1 and the second-stage bumper bar 2, the first-stage bumper bar 1 and the second-stage bumper bar 2 can be fixedly mounted in the door through the mounting plate 5, is convenient to mount and reduces the assembly time, by arranging the stress piece 4 outside the first-stage bumper bar 1 and the second-stage bumper bar 2, when the stress piece 4 is impacted by external force, external force acts on the stress plate 8, when the stress plate 8 deforms due to the external force, the stress plate 8 compresses inwards, so that the force-bearing plate 8 will push against the connecting rod 13, and the connecting rod 13 will push against the top slider 11, and the sliders 11 on both sides will move on the sliding rod 10 and move away from each other, at which point the sliders 11 will compress the force-bearing spring 14, thereby, the external impact force is partially stressed and buffered through the elastic potential energy of the compression spring 14, the impact of the external force on the vehicle body and the personnel in the vehicle is reduced, the drivers and passengers are better protected, the safety performance is improved, meanwhile, the inner steel plate 7 is arranged inside the stress piece 8, and the structural strength of the stress piece 4 can be improved through the arranged inner steel plate 7.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An anti-collision rod assembly suitable for a left rear door of an automobile is characterized by comprising a primary anti-collision rod (1), a secondary anti-collision rod (2), a middle reinforcing piece (3), a stress piece (4) and a mounting plate (5), the middle part of the first-level crash bar (1) is provided with a second-level crash bar (2), the first-level crash bar (1) and the second-level crash bar (2) are both designed in a cylindrical structure, the section area of the first-stage bumper bar (1) is smaller than that of the second-stage bumper bar (2), the middle part of the first-stage bumper bar (1) is inserted into the second-stage bumper bar (2) and is arranged in a crossed way, the upper outer wall and the lower outer wall of the primary bumper bar (1) are fixedly provided with middle reinforcing members (3), middle part reinforcement (3) outside is equipped with the reinforcement hole, equal fixed mounting has atress piece (4) on one-level crash bar (1) and second grade crash bar (2) surface.

2. The left rear door impact beam assembly for automobiles according to claim 1, wherein: stress (4) inlayer fixed mounting has inlayer steel sheet (7), stress (4) top inner wall fixed mounting has stress board (8), stress board (8) below just is located stress (4) inside fixed mounting has slide bar (10), slide bar (10) surface cover is equipped with slider (11) of two relative settings.

3. The left rear door impact beam assembly for automobiles according to claim 2, wherein: slide bar (10) and slider (11) sliding connection, equal fixed mounting in atress board (8) lower surface both sides has one-level connecting seat (9), two equal fixed mounting in slider (11) upper surface has second grade connecting seat (12).

4. The left rear door impact beam assembly for automobiles of claim 3, wherein: a connecting rod (13) is rotatably connected between the second-stage connecting seat (12) and the first-stage connecting seat (9) through a rotating shaft, a stress spring (14) is fixedly mounted on the outer wall of the sliding part (11), and one end, far away from the sliding part (11), of the stress spring (14) is fixedly connected with the inner wall of the stress part (4).

5. The left rear door impact beam assembly for automobiles according to claim 1, wherein: mounting panel (5) are all installed through welded fastening at one-level crash bar (1) and second grade crash bar (2) both ends, mounting hole (6) have all been seted up to mounting panel (5) surface dead angle department.