CN220114588U - Safety type automobile rear bumper - Google Patents
Safety type automobile rear bumper Download PDFInfo
- Publication number
- CN220114588U CN220114588U CN202320638197.6U CN202320638197U CN220114588U CN 220114588 U CN220114588 U CN 220114588U CN 202320638197 U CN202320638197 U CN 202320638197U CN 220114588 U CN220114588 U CN 220114588U
- Authority
- CN
- China
- Prior art keywords
- bumper
- impact
- plate
- main body
- automobile rear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000001681 protective effect Effects 0.000 claims abstract description 17
- 230000003139 buffering effect Effects 0.000 claims description 10
- 238000005452 bending Methods 0.000 abstract description 3
- 230000035939 shock Effects 0.000 description 11
- 229910000639 Spring steel Inorganic materials 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012928 buffer substance Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 210000003195 fascia Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of automobile rear bumpers, in particular to a safe automobile rear bumper which comprises a bumper main body, wherein a protective outer plate is arranged at the top end of the bumper main body, a buffer bottom plate is arranged at the bottom end of the bumper main body, and an impact-resistant rod penetrates through the middle of the bumper main body. According to the utility model, the supporting plate is fixed between the bumper main body and the protective outer plate, so that the impact resistance between the bumper main body and the protective outer plate can be enhanced, the protection external rebound ability can be enhanced, and the protection of the protective outer plate to the outer side of the bumper main body can be improved. When the automobile rear bumper is impacted by rear-end collision and the like, the impact resistant rod drives the energy-absorbing ball to downwards press the baffle plate, downward impact force applied to the impact resistant rod and the energy-absorbing ball is conducted to the periphery of the fixed frame, impact force applied to the buffer bottom plate is reduced, and the impact resistant rod is protected from bending and breaking.
Description
Technical Field
The utility model relates to the technical field of automobile rear bumpers, in particular to a safe automobile rear bumper.
Background
With the development of society, people's life is better and better, and the car has become the indispensable traffic mode of many families trip, and while experiencing traffic convenience, light driving feel, driving safety is also of great importance, and the rear bumper is as one of automobile rear-end collision insurance, can improve the security of car.
The automobile rear bumper is installed below the automobile tail part and is used for protecting the automobile tail part and absorbing and buffering external impact force during collision. The conventional rear bumper is connected to the rear floor of the automobile to constitute a lower opening upper closed area.
The rear bumper on the automobile is an important part for automobile comparison, not only beautifying the appearance of the whole automobile, but also playing the roles of protecting the safety of passengers and reducing the damage degree when the automobile collides. Currently, rear bumpers in automobiles typically have a fascia secured to the body of the vehicle by an integral bumper reinforcement.
At present, the automobile rear bumper has some disadvantages in the use, for example, the outside of bumper main part does not have shock resistance protection, and the resilience performance is not good, damages bumper main part surface easily, and moreover, the bottom of bumper main part directly bears the impact strength, does not have the buffering protection of outside conduction all around, makes shock resistance structure appear crooked fracture easily, takes place danger, not enough safety. Therefore, there is a need for a safety type automobile rear bumper that increases impact protection on the outside of the top end of the bumper body, enhances resilience, and enhances cushioning on the inside bottom end of the bumper body.
For example, the prior patent publication CN212737997U provides a rear bumper of an automobile, the device tightly fixes the bumper together through a fixing device, a rubber pad is added inside, the tightness is further enhanced, a buffer part is added inside a buffer substance, the buffer is enhanced, the safety performance is increased, the whole device is convenient to install, the compactness of the bumper is improved, and the device is firmer.
However, the device is only suitable for enhancing buffering, increasing safety performance, is convenient to install, cannot increase impact protection of the outer side of the top end of the bumper body, enhances rebound performance, and enhances buffering of the inner bottom end of the bumper body.
The outside of current safe type car rear bumper, bumper main part does not have impact protection, and the resilience performance is not good, damages bumper main part surface easily, and moreover, the bottom of bumper main part directly bears the impact strength, does not have the buffering protection of outside conduction all around, makes impact structure appear crooked fracture easily, takes place danger, not enough safety.
Disclosure of Invention
The utility model aims to provide a safety type automobile rear bumper, which solves the problems that the impact resistance protection of the outer side of the top end of a bumper main body cannot be increased, the rebound performance is enhanced, and the buffering of the inner side bottom end of the bumper main body is enhanced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a safe type car rear bumper, includes the bumper main part, the top of bumper main part is provided with the protection planking, the bottom of bumper main part is provided with the buffering bottom plate, the centre of bumper main part is passed there is the shock resistance pole.
Preferably, a supporting plate is fixed between the protective outer plate and the top end of the bumper body, and the supporting plate is located on two sides of the impact-resistant rod.
Preferably, the upper end surface of the impact resistant rod is sleeved with a first spring, the outer side of the first spring is sleeved with a sliding ring, and a tension spring is connected between the sliding ring and the inner side of the supporting plate.
Preferably, a guide hole is formed in the middle of the bumper body, and the impact-resistant rod penetrates through the guide hole.
Preferably, a telescopic connecting rod is connected between the buffer bottom plate and the bumper main body, and the impact-resistant rod is fixed between the protection outer plate and the buffer bottom plate.
Preferably, a connecting plate is fixed at the bottom end of the impact rod, an energy-absorbing ball is connected at the bottom end of the connecting plate, and an energy-absorbing sponge is filled in the energy-absorbing ball.
Preferably, a fixed frame is fixed at the top end of the buffering bottom plate, a baffle is installed in the fixed frame, and the baffle is located below the energy absorbing ball.
Preferably, the side of fixed frame is opened there is the spacing hole, the outside of baffle is fixed with the guide bar, the guide bar passes spacing hole, the second spring has been cup jointed on the surface of guide bar, the one end surface of guide bar is connected with the nut.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the protection outer plate is arranged on the outer side of the bumper main body, the first spring is arranged between the protection outer plate and the protection outer plate, the supporting plate made of arc spring steel is fixed between the protection outer plate and the protection outer plate, so that the impact resistance between the bumper main body and the protection outer plate can be enhanced, the buffer performance is improved, meanwhile, the sliding rings sleeved on the impact resistance rod and the surface of the first spring are connected with the inner side of the supporting plate through the tension springs, the impact resistance and rebound ability of the supporting plate can be increased, and the protection of the protection outer plate to the outer side of the bumper main body is facilitated.
2. According to the utility model, the buffer bottom plate is arranged at the bottom end of the bumper main body through the telescopic connecting rod, the fixed frame is arranged at the top end of the buffer bottom plate, the four baffles are arranged in the fixed frame through the guide rods, the energy absorbing balls are arranged at the bottom end of the shock absorbing rod and positioned above the middle of the four baffles, when the rear bumper of an automobile is impacted by rear collision and the like, the shock absorbing balls are driven by the shock absorbing rod to downwards press the baffles after the shock absorbing rod is impacted, the baffles move outwards along the limiting holes through the guide rods and compress the second springs, the downward impact force exerted by the shock absorbing rod and the energy absorbing balls is changed in direction and conducted towards the periphery of the fixed frame, the impact force exerted by the buffer bottom plate is reduced, the shock absorbing rod is prevented from bending and breaking, and the safety of the bumper main body is further protected.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view of FIG. 1 of the present utility model;
FIG. 3 is an enlarged view of the utility model at A of FIG. 2;
FIG. 4 is a schematic view of a portion of the support plate of FIG. 2 according to the present utility model;
FIG. 5 is an enlarged view of the utility model at B of FIG. 2;
FIG. 6 is a schematic view of a portion of the structure of the fixed frame of FIG. 2 according to the present utility model;
fig. 7 is an enlarged view of fig. 6 at C in accordance with the present utility model.
In the figure: 1. a bumper body; 2. a protective outer panel; 3. an impact resistant rod; 4. a support plate; 5. a buffer bottom plate; 6. a baffle; 7. a telescopic connecting rod; 8. a fixed frame; 9. a guide rod; 10. a connecting plate; 11. an energy absorbing ball; 12. a second spring; 13. a nut; 14. a limiting hole; 15. a guide hole; 16. a slip ring; 17. a tension spring; 18. a first spring; 19. an energy absorbing sponge.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1, 2, 3, 4, 5, 6 and 7, a safety type automobile rear bumper in the drawings comprises a bumper main body 1, wherein a protective outer plate 2 is arranged at the top end of the bumper main body 1, the protective outer plate 2 is of a rectangular plate structure, and the protective outer plate 2 is parallel to the bumper main body 1.
The bottom end of the bumper body 1 is provided with a buffer bottom plate 5, the buffer bottom plate 5 is of a rectangular plate structure, and the buffer bottom plate 5 is parallel to the bumper body 1; the middle of the bumper body 1 is penetrated with an impact resistant rod 3, and the impact resistant rod 3 is vertical to the protective outer plate 2 and the buffer bottom plate 5.
A supporting plate 4 is fixed between the protective outer plate 2 and the top end of the bumper main body 1, the supporting plate 4 is of an arc-shaped convex structure, and is made of spring steel, so that the bumper has higher elasticity and strength; the support plates 4 are located on both sides of the impact bar 3.
The upper end surface of the impact-resistant rod 3 is sleeved with a first spring 18, and the first spring 18 is positioned between the protective outer plate 2 and the bumper main body 1, so that the protective outer plate 2 has buffer protection on the bumper main body 1; the outer side of the first spring 18 is sleeved with a sliding ring 16, and the sliding ring 16 is connected with the outer side of the first spring 18 and the surface of the impact-resistant rod 3 in a sliding manner.
A tension spring 17 is connected between the sliding ring 16 and the inner side of the supporting plate 4, the tension spring 17 forms pulling force to the middle of the supporting plate 4, and pulling resilience force is applied to the supporting plate 4 after the supporting plate 4 is bent, so that the buffering rebound capability of the supporting plate 4 and the protection outer plate 2 is improved, and the safety of the bumper main body 1 is conveniently protected.
A guide hole 15 is formed in the middle of the bumper main body 1, the impact resistant rod 3 passes through the guide hole 15, and the impact resistant rod 3 is connected with the bumper main body 1 in a sliding manner; a telescopic connecting rod 7 is connected between the buffer bottom plate 5 and the bumper body 1, and the buffer bottom plate 5 is arranged at the bottom end of the bumper body 1.
The shock-resistant rod 3 is fixed between the protection planking 2 and the buffer bottom plate 5, and the bottom mounting of shock-resistant rod 3 has connecting plate 10, and connecting plate 10 is circular structure, and is parallel with buffer bottom plate 5 to be located between buffer bottom plate 5 and the bumper main part 1.
The bottom end of the connecting plate 10 is connected with an energy-absorbing ball 11, the energy-absorbing ball 11 is made of spring steel and is of a spherical structure, and an energy-absorbing sponge 19 is filled in the energy-absorbing ball 11 to increase the impact absorption force of the energy-absorbing ball 11; the top end of the buffer bottom plate 5 is fixed with a fixed frame 8, and the fixed frame 8 is positioned right below the energy absorbing ball 11.
The fixed frame 8 is rectangular frame structure, and the internally mounted of fixed frame 8 has baffle 6, and baffle 6 is vertical to be set up, and the section of baffle 6 is triangle-shaped structure, and the inclined plane of baffle 6 subtends energy-absorbing ball 11, and the height of baffle 6 is not less than the height of fixed frame 8, and baffle 6 is located the below of energy-absorbing ball 11.
A limiting hole 14 is formed in the side face of the fixed frame 8, a guide rod 9 is fixed on the outer side of the baffle 6, the guide rod 9 is horizontally arranged, and the guide rod 9 slides through the limiting hole 14; the surface of the guide rod 9 is sleeved with a second spring 12, and the second spring 12 is in a natural state when the energy absorbing ball 11 is not pressed against the baffle 6.
When the energy-absorbing ball 11 presses the baffle 6, the second spring 12 is in a compressed state, so that downward impact force of the impact rod 3 and the energy-absorbing ball 11 is changed into pressure applied to the periphery of the outer side, and downward impact force of the impact rod 3 and the energy-absorbing ball 11 is reduced; a nut 13 is attached to one end surface of the guide rod 9, and the nut 13 is located outside the fixing frame 8.
This safe type car rear bumper, when using: by arranging the protective outer plate 2 on the outer side of the bumper body 1, arranging the first spring 18 between them and fixing the support plate 4 between them, the support plate 4 made of arc spring steel can enhance the impact resistance between the bumper body 1 and the protective outer plate 2 and improve the cushioning property.
Meanwhile, the sliding ring 16 sleeved on the surfaces of the impact-resistant rod 3 and the first spring 18 is connected with the inner side of the supporting plate 4 through the tension springs 17, so that the impact resistance and rebound ability of the supporting plate 4 can be improved, and the protection of the outer protection plate 2 to the outer side of the bumper main body 1 is facilitated.
Meanwhile, the buffer bottom plate 5 is arranged at the bottom end of the bumper main body 1 through the telescopic connecting rod 7, the fixed frame 8 is arranged at the top end of the buffer bottom plate 5, the four baffles 6 are arranged inside the fixed frame 8 through the guide rods 9, and the energy absorbing balls 11 arranged at the bottom end of the impact resistant rod 3 are positioned above the middle of the four baffles 6.
When the rear bumper of the automobile is impacted by rear-end collision and the like, after the impact rod 3 is impacted, the impact rod 3 drives the energy-absorbing ball 11 to downwards press the baffle plate 6, and the baffle plate 6 moves outwards along the limiting hole 14 through the guide rod 9 and compresses the second spring 12.
In this way, the downward impact force received by the impact rod 3 and the energy-absorbing ball 11 is changed in direction, and is conducted towards the periphery of the fixed frame 8, so that the impact force received by the buffer bottom plate 5 is reduced, the impact rod 3 is protected from bending fracture, and the safety of the bumper main body 1 is further protected.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (8)
1. A safety type automobile rear bumper, comprising: the novel bumper comprises a bumper body (1), wherein a protective outer plate (2) is arranged at the top end of the bumper body (1), a buffer bottom plate (5) is arranged at the bottom end of the bumper body (1), and an impact-resistant rod (3) penetrates through the middle of the bumper body (1).
2. The safety type automobile rear bumper according to claim 1, wherein: a supporting plate (4) is fixed between the protective outer plate (2) and the top end of the bumper main body (1), and the supporting plate (4) is positioned on two sides of the impact-resistant rod (3).
3. A safety type automobile rear bumper according to claim 2, wherein: the anti-impact device is characterized in that a first spring (18) is sleeved on the upper end surface of the anti-impact rod (3), a sliding ring (16) is sleeved on the outer side of the first spring (18), and a tension spring (17) is connected between the sliding ring (16) and the inner side of the supporting plate (4).
4. The safety type automobile rear bumper according to claim 1, wherein: the middle of the bumper main body (1) is provided with a guide hole (15), and the impact-resistant rod (3) passes through the guide hole (15).
5. The safety type automobile rear bumper according to claim 1, wherein: the bumper is characterized in that a telescopic connecting rod (7) is connected between the buffer bottom plate (5) and the bumper main body (1), and the impact-resistant rod (3) is fixed between the protection outer plate (2) and the buffer bottom plate (5).
6. The safety type automobile rear bumper according to claim 5, wherein: the anti-impact energy-absorbing device is characterized in that a connecting plate (10) is fixed at the bottom end of the anti-impact rod (3), an energy-absorbing ball (11) is connected to the bottom end of the connecting plate (10), and an energy-absorbing sponge (19) is filled in the energy-absorbing ball (11).
7. The safety type automobile rear bumper according to claim 6, wherein: the top of buffering bottom plate (5) is fixed with fixed frame (8), the internally mounted of fixed frame (8) has baffle (6), baffle (6) are located energy-absorbing ball (11) below.
8. The safety type automobile rear bumper according to claim 7, wherein: the side of fixed frame (8) is opened there is spacing hole (14), the outside of baffle (6) is fixed with guide bar (9), guide bar (9) pass spacing hole (14), second spring (12) have been cup jointed on the surface of guide bar (9), the one end surface of guide bar (9) is connected with nut (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320638197.6U CN220114588U (en) | 2023-03-28 | 2023-03-28 | Safety type automobile rear bumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320638197.6U CN220114588U (en) | 2023-03-28 | 2023-03-28 | Safety type automobile rear bumper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220114588U true CN220114588U (en) | 2023-12-01 |
Family
ID=88893789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320638197.6U Active CN220114588U (en) | 2023-03-28 | 2023-03-28 | Safety type automobile rear bumper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220114588U (en) |
-
2023
- 2023-03-28 CN CN202320638197.6U patent/CN220114588U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |