CN214929535U

CN214929535U - Automobile bumper bar

Info

Publication number: CN214929535U
Application number: CN202121221987.1U
Authority: CN
Inventors: 李娜
Original assignee: Beijing Public Dart Beijing Great Automotive Components Co ltd
Current assignee: Beijing Public Dart Beijing Great Automotive Components Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-11-30
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses an automobile bumper bar, which comprises an anti-collision cross bar, a front protection plate, a rear energy absorption plate, an energy absorption mechanism, a first-level fixing part and a middle reinforcing part, wherein the front protection plate is adhered on the outer wall of the front side of the anti-collision cross bar through strong glue, the front protection plate is made of a foam plate, the rear energy absorption plate is fixedly arranged on the outer surface of the back side of the anti-collision cross bar, a plurality of energy absorption mechanisms which are uniformly distributed are fixedly arranged in the rear energy absorption plate, the first-level fixing part is fixedly arranged at the top end of one side of the anti-collision cross bar, the second-level fixing part is fixedly arranged at the top end of the other side of the anti-collision cross bar, the first-level fixing part and the second-level fixing part are designed in an integrated forming type, the anti-collision cross bar can push the inner sliding cylinder through the deformation mode of the anti-collision cross bar, thereby the sliding cylinder slides along the fixed cylinder, when sliding the energy absorption cylinder slides, the spring can be compressed, therefore, the energy-absorbing spring generates certain counterforce, and the external impact force can be stressed, buffered and absorbed.

Description

Automobile bumper bar

Technical Field

The utility model relates to the technical field of auto-parts, specifically be an automobile crash bar.

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, automobile parts are needed when the existing household automobile is produced, the automobile parts comprise a front bumper of the automobile, however, the existing front bumper of the automobile is generally formed by directly adopting a steel beam, when the automobile is impacted by the outside, external force directly acts on the whole automobile body, no buffer protection effect exists, and the use performance is poor.

Disclosure of Invention

An object of the utility model is to provide an automobile crash bar to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automobile crash bar, includes crashproof horizontal pole, preceding guard plate, back energy-absorbing board, energy-absorbing mechanism, one-level mounting and middle part reinforcement, be stained with preceding guard plate through powerful glue on the positive outer wall of crashproof horizontal pole, preceding guard plate adopts the cystosepiment to make, crashproof horizontal pole back external surface fixed mounting has back energy-absorbing board, the inside fixed mounting of back energy-absorbing board has a plurality of evenly distributed's energy-absorbing mechanism, crashproof horizontal pole one side top fixed mounting has the one-level mounting, crashproof horizontal pole opposite side top fixed mounting has the second grade mounting, crashproof horizontal pole, one-level mounting and second grade mounting adopt integrated into one piece formula structural design.

Preferably, the central position of the outer surface of the rear energy-absorbing plate is provided with a middle reinforcing part, the middle reinforcing part is designed to be of a concave structure, the two sides of the middle reinforcing part are fixedly provided with side parts, and the middle reinforcing part and the side parts are designed to be of an integrally formed structure.

Preferably, two symmetrically distributed reinforcing holes are formed in the outer surface of the middle reinforcing part, reinforcing pieces are arranged on one side of the middle reinforcing part, clamping pieces are fixedly mounted on the upper portion and the lower portion of the portion, close to one side of the middle reinforcing part, of the reinforcing pieces, and fixing pins matched with the reinforcing holes in aperture are arranged in the reinforcing holes.

Preferably, the energy absorbing mechanism comprises a mounting plate, the mounting plate is fixedly mounted inside the rear energy absorbing plate, a fixed cylinder is fixedly mounted at the center of the upper surface of the mounting plate, an energy absorbing spring is sleeved on the outer surface of the fixed cylinder, a sliding cylinder is arranged above the energy absorbing spring, and the sliding cylinder is sleeved outside the fixed cylinder and is in sliding connection with the fixed cylinder.

Preferably, the first-level mounting and the second-level mounting have fixing holes at four corners of the outer surface.

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

1. through be provided with one-level mounting and second grade mounting respectively at crashproof horizontal pole both ends, can install the head at the car with this crash bar through the one-level mounting and the second grade mounting that set up, can regard as the front bumper of car to use through the crashproof horizontal pole that sets up, through being provided with the middle part reinforcement at crashproof horizontal pole middle part, the connection work of middle part position can be accomplished to the side position spare that sets up through the middle part reinforcement, improve the structure steadiness, simultaneously can prevent between middle part reinforcement and back energy-absorbing board through the reinforcing piece that sets up, thereby can regard as the fixing pad to use, effectively improve structural stability, can carry out spacing fixed to middle part reinforcement through the tight piece of clamp that sets up, the use effect is improved.

2. Simultaneously be provided with preceding guard plate at crashproof horizontal pole front end, can play preliminary guard action through the preceding guard plate that sets up, through being provided with the back energy-absorbing board at crashproof horizontal pole, and the inside energy-absorbing mechanism that is equipped with of back energy-absorbing board, when this crashproof horizontal pole suffers external shock and takes place to warp, the crashproof horizontal pole can be through the inside slip section of thick bamboo of mode support of its deformation, thereby make the slip section of thick bamboo slide along a fixed section of thick bamboo, it can compress the energy-absorbing spring when the slip section of thick bamboo slides, thereby make the energy-absorbing spring produce certain reaction force, thereby can carry out atress buffering energy-absorbing to outside impact force, thereby reduce the atress effect of whole automobile body, can provide certain buffering energy-absorbing protection to inside driver and crew, the security is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a middle stiffener assembly according to the present invention;

fig. 3 is a schematic structural view of the energy absorbing mechanism of the present invention.

In the figure: 1. an anti-collision cross bar; 2. a front guard plate; 3. a rear energy absorbing plate; 4. an energy absorbing mechanism; 41. mounting a plate; 42. a fixed cylinder; 43. an energy-absorbing spring; 44. a sliding cylinder; 5. a primary fixing member; 6. a secondary fixing member; 7. a fixing hole; 8. a middle reinforcement; 9. a reinforcement hole; 10. a side member; 11. a reinforcing sheet; 12. a clamping piece; 13. and fixing the pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an automobile crash bar, including crashproof horizontal pole 1, preceding guard plate 2, back energy-absorbing board 3, energy-absorbing mechanism 4, one-level mounting 5 and middle part reinforcement 8, be stained with preceding guard plate 2 through powerful glue on the outer wall of crashproof horizontal pole 1 front, preceding guard plate 2 adopts the cystosepiment to make, 1 back external fixed surface of crashproof horizontal pole installs back energy-absorbing

board

3, 3 inside fixed mounting of back energy-absorbing board has a plurality of evenly distributed's energy-absorbing mechanism 4, 1 one side top fixed mounting of crashproof horizontal pole has one-level mounting 5, 1 opposite side top fixed mounting of crashproof horizontal pole has second grade mounting 6, crashproof horizontal pole 1, one-level mounting 5 and second grade mounting 6 adopt integrated into one piece formula structural design.

In this embodiment, 3 surface central points of rear energy-absorbing board put and are equipped with middle part reinforcement 8, and middle part reinforcement 8 adopts "concave" type structural design, and the equal fixed mounting in middle part reinforcement 8 both sides has side position spare 10, and middle part reinforcement 8 and side position spare 10 are integrated into one piece structural design, increase structural stability.

In this embodiment, two symmetric distributions's enhancement hole 9 is seted up to middle part reinforcement 8 surface, and middle part reinforcement 8 one side outside is equipped with reinforcing piece 11, and reinforcing piece 11 is close to the equal fixed mounting in middle part reinforcement 8 one side outside upper and lower side and has a tight piece 12 of clamp, strengthens hole 9 and is equipped with the fixed pin 13 of aperture looks adaptation with it.

In this embodiment, the energy absorbing mechanism 4 includes a mounting plate 41, the mounting plate 41 is fixedly mounted inside the rear energy absorbing plate 3, a fixed cylinder 42 is fixedly mounted at a central position of an upper surface of the mounting plate 41, an energy absorbing spring 43 is sleeved on an outer surface of the fixed cylinder 42, a sliding cylinder 44 is arranged above the energy absorbing spring 43, and the sliding cylinder 44 is sleeved outside the fixed cylinder 42 and is slidably connected with the fixed cylinder 42.

In this embodiment, the fixed orifices 7 have all been seted up to 6 surface four corners departments of one-level mounting 5 and second grade mounting to make things convenient for this crash bar to carry out the external mounting work.

When in use, the first-level fixing part 5 and the second-level fixing part 6 are respectively arranged at the two ends of the anti-collision cross bar 1, the anti-collision bar can be arranged at the position of a head bumper of an automobile through the arranged first-level fixing part 5 and the second-level fixing part 6, the anti-collision cross bar 1 can be used as a front bumper of the automobile, the middle reinforcing part 8 is arranged in the middle of the anti-collision cross bar 1, the side part 10 arranged through the middle reinforcing part 8 can complete the connection work of the middle position, the structural stability is improved, meanwhile, the reinforcing piece 11 can be arranged between the middle reinforcing part 8 and the rear energy-absorbing plate 3 through the arranged reinforcing piece 11, so that the anti-collision cross bar can be used as a fixed gasket, the structural stability is effectively improved, the clamping piece 12 can be clamped on the upper outer wall and the lower outer wall of the middle reinforcing part 8, the limiting and the fixing are carried out, the use effect is improved, meanwhile, the front protection plate 2 is arranged at the front end of the anti-collision cross bar 1, can play preliminary guard action through the preceding guard plate 2 that sets up, through be provided with back energy-absorbing board 3 at crashproof horizontal pole 1, and the inside energy-absorbing mechanism 4 that is equipped with of back energy-absorbing board 3, when this crashproof horizontal pole 1 suffers external shock and takes place to warp, crashproof horizontal pole 1 can support inside slide tube 44 through the mode of its deformation, thereby make slide tube 44 slide along solid fixed tube 42, it can compress energy-absorbing spring 43 when slide tube 44 slides, thereby make energy-absorbing spring 43 produce certain reaction force, thereby can carry out atress buffering energy-absorbing to outside impact force, reduce the atress effect of whole automobile body, can provide certain buffering energy-absorbing protection to inside driver and passenger, the security is improved.

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 the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not 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 stated or limited, the terms "mounted," "disposed," "connected," "fixed," "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; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above 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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An automobile bumper is characterized by comprising an anti-collision cross bar (1), a front protection plate (2), a rear energy absorption plate (3), an energy absorption mechanism (4), a primary fixing piece (5) and a middle reinforcing piece (8), the front protective plate (2) is adhered to the outer wall of the front surface of the anti-collision cross bar (1) through strong glue, the front protection plate (2) is made of a foam plate, the outer surface of the back surface of the anti-collision cross bar (1) is fixedly provided with a rear energy absorption plate (3), a plurality of energy absorbing mechanisms (4) which are uniformly distributed are fixedly arranged in the rear energy absorbing plate (3), a primary fixing piece (5) is fixedly arranged at the top end of one side of the anti-collision cross rod (1), a secondary fixing piece (6) is fixedly arranged at the top end of the other side of the anti-collision cross rod (1), the anti-collision cross rod (1), the primary fixing piece (5) and the secondary fixing piece (6) are designed in an integrated structure.

2. The bumper bar for automobiles according to claim 1, characterized in that: the energy-absorbing plate is characterized in that a middle reinforcing piece (8) is arranged at the center of the outer surface of the rear energy-absorbing plate (3), the middle reinforcing piece (8) is designed to be of a concave structure, side parts (10) are fixedly mounted on two sides of the middle reinforcing piece (8), and the middle reinforcing piece (8) and the side parts (10) are designed to be of an integrally formed structure.

3. The bumper bar for automobiles according to claim 2, characterized in that: middle part reinforcement (8) surface is seted up two symmetric distribution's enhancement hole (9), middle part reinforcement (8) one side outside is equipped with strengthens piece (11), strengthen piece (11) and be close to middle part reinforcement (8) one side outside upper and lower side equal fixed mounting have and press from both sides tight piece (12), strengthen fixed pin (13) that hole (9) were equipped with aperture looks adaptation with it.

4. The bumper bar for automobiles according to claim 1, characterized in that: energy-absorbing mechanism (4) are including mounting panel (41), mounting panel (41) fixed mounting is inside rear energy-absorbing plate (3), mounting panel (41) upper surface central point puts fixed mounting and has solid fixed cylinder (42), gu fixed cylinder (42) surface cover is equipped with energy-absorbing spring (43), energy-absorbing spring (43) top is equipped with slide cartridge (44), slide cartridge (44) cover is established solid fixed cylinder (42) outside and with solid fixed cylinder (42) sliding connection.

5. The bumper bar for automobiles according to claim 1, characterized in that: and fixing holes (7) are formed in four corners of the outer surfaces of the first-stage fixing piece (5) and the second-stage fixing piece (6).