CN220281320U

CN220281320U - Shock-absorbing type automobile bumper

Info

Publication number: CN220281320U
Application number: CN202322062705.3U
Authority: CN
Inventors: 李春雷; 顾君芳
Original assignee: Danyang Tianchi Automobile Co ltd
Current assignee: Danyang Tianchi Automobile Co ltd
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2024-01-02
Anticipated expiration: 2033-08-02

Abstract

The utility model discloses a shock-absorbing automobile bumper, and belongs to the technical field of automobile bumpers. Including the bumper shell, the front end of bumper shell is provided with the buffer tank, the preceding terminal surface of buffer tank is provided with the connecting plate, be provided with the mounting hole on the connecting plate for install on the car, the inboard of bumper shell is provided with the free bearing, the inside of buffer tank is fixedly provided with the fixed plate. The utility model solves the problems that the automobile bumper has weak effect of absorbing and buffering external impact force and is insufficient for protecting two side surfaces, so that the side surfaces are easier to break and damage than the front surface in the prior art, and the automobile bumper has better anti-collision and shock absorption capability and reduces the damage condition of vehicles and personnel through the protection of the anti-collision pad, the reinforcing rib, the first extrusion spring, the air bag, the magnetic suction block and the second extrusion spring.

Description

Shock-absorbing type automobile bumper

Technical Field

The utility model relates to the technical field of automobile bumpers, in particular to a shock-absorbing automobile bumper.

Background

The front end and the rear end of the automobile are provided with bumpers, so that the automobile has a decorative function, and more importantly, the automobile body safety device is used for absorbing and buffering external impact force and protecting the automobile body and passengers;

the Chinese patent with publication number of CN110576813A discloses an automobile bumper with good damping effect, and the ACF artificial cartilage foam board can convert impact energy into potential energy and kinetic energy in a mode of prolonging stress time, converting energy and the like to absorb 70% -90% of impact force, so that a very strong buffering and energy absorbing effect is provided, and polyurethane rubber blocks are adhered to the inside of an aluminum honeycomb board, so that vibration can be further reduced, and the impact force can be absorbed.

However, in the above-mentioned technology, although the problem that the damping effect of the existing protection method on the vehicle is not ideal is solved, the following drawbacks are also provided:

1. the existing automobile bumper achieves the purpose of protecting the automobile from shock through the buffer material, but the effect of absorbing and buffering external impact force is not strong.

2. The protection of the two side surfaces of the existing automobile bumper is insufficient, so that the side surfaces are more easily broken and damaged than the front surface.

In view of these drawbacks, it is necessary to design a shock absorbing automobile bumper.

Disclosure of Invention

The utility model aims to provide a shock-absorbing type automobile bumper, which has better anti-collision capability through the protection of an anti-collision pad and reinforcing ribs, wherein the impact force of a first extrusion spring pair external force is buffered and absorbed, and the magnetic attraction block I and the magnetic attraction block II are identical in magnetic pole direction and like in polarity, so that the bumper shell can be prevented from being continuously approaching to a buffer box, the extrusion spring II on a sliding rod can better absorb energy generated by the impact on two sides, the damage condition of vehicles and personnel is reduced, and the problem in the prior art is solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a shock-absorbing automobile bumper, includes the bumper shell, the front end of bumper shell is provided with the buffer tank, the preceding terminal surface of buffer tank is provided with the connecting plate, be provided with the mounting hole on the connecting plate for install on the car, the inboard of bumper shell is provided with the free bearing, the inside of buffer tank is fixedly provided with the fixed plate, the slip is provided with the movable seat on the fixed plate, the inside of movable seat is provided with the recess, the inside of recess is provided with the round pin axle, the free bearing passes through connecting rod and round pin axle transmission connection.

Preferably, the strengthening rib is installed to the inner wall of bumper shell, the front end of bumper shell is provided with the guide bar, and the guide bar is provided with two.

Preferably, one end of the guide rod extends to the first magnetic attraction block in the buffer box, the first extrusion spring is sleeved on the outer wall of the guide rod, and two ends of the first extrusion spring are fixedly connected with the bumper shell and the buffer box respectively.

Preferably, a second magnetic block is arranged on one side of the first magnetic block opposite to the first magnetic block, and the second magnetic block is fixedly connected with the buffer box.

Preferably, through grooves are formed in two sides of the buffer box.

Preferably, the fixed plate is fixedly provided with a supporting plate, both sides of the supporting plate are provided with sliding rods, and the sliding rods are in sliding connection with the movable seat.

Preferably, the outer wall of the sliding rod is sleeved with a second extrusion spring, and two ends of the second extrusion spring are fixedly connected with the supporting plate and the movable seat respectively.

Preferably, the two guide rods are respectively located above and below the fixing plate.

Preferably, the rear end face of the bumper shell is provided with an anti-collision pad.

Preferably, an airbag for buffering is arranged between the bumper shell and the buffer box.

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

1. according to the shock-absorbing automobile bumper disclosed by the utility model, the bumper has better anti-collision capability through the protection of the anti-collision pad and the reinforcing ribs, the bumper shell is prevented from being damaged, the bumper shell moves towards the buffer box when being impacted, the guide rod is driven to move in the same direction at the moment, the impact force of the external force of the extrusion spring pair is buffered and absorbed, and the magnetic pole directions of the magnetic attraction block I and the magnetic attraction block II are the same, so that the bumper shell can be prevented from continuously approaching the buffer box, and the shock and the impact absorption force are further reduced.

2. According to the shock-absorbing automobile bumper disclosed by the utility model, when the bumper shell is impacted from two sides, good buffering performance can be achieved, the bumper shell is impacted to drive the hinged support to move towards the buffer box, the movable seat is driven to approach the supporting plate under the transmission of the connecting rod, and the extrusion spring II on the sliding rod can better absorb energy generated by the impact, so that the damage condition of vehicles and personnel is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of a buffer tank of the present utility model;

FIG. 3 is a schematic diagram of a second magnetic block structure according to the present utility model;

fig. 4 is a rear view of the fixing plate of the present utility model.

In the figure: 1. a bumper housing; 2. a buffer tank; 3. a connecting plate; 4. an air bag; 101. a crash pad; 102. reinforcing ribs; 103. a guide rod; 104. extruding a first spring; 105. a first magnetic block; 106. a hinged support; 107. a second magnetic block; 201. a through groove; 202. a fixing plate; 203. a movable seat; 204. a connecting rod; 205. a support plate; 206. a slide bar; 207. extruding a second spring; 208. a groove; 209. and a pin shaft.

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.

In order to solve the technical problem that the existing automobile bumper achieves the purpose of protecting the automobile from shock absorption through the buffer material, but the effect of absorbing and buffering external impact force is not strong, please refer to fig. 1-3, the present embodiment provides the following technical scheme:

the utility model provides a shock-absorbing car bumper, including bumper shell 1, bumper shell 1's rear end face is provided with crashproof pad 101, bumper shell 1's front end is provided with buffer tank 2, buffer tank 2's front end face is provided with connecting plate 3, be provided with the mounting hole on the connecting plate 3, a be used for installing on the car, be provided with the gasbag 4 that are used for buffering between bumper shell 1 and the buffer tank 2, crashproof pad 101 makes car bumper have better crashproof ability, can protect bumper shell 1, prevent bumper shell 1 damage, gasbag 4 can cushion, the energy-absorbing to external impact, improve car bumper's buffering effect, the buffering shock-absorbing structure in the buffer tank 2 can play effectual cushioning effect to car bumper.

The strengthening rib 102 is installed to the inner wall of bumper shell 1, the bumper shell 1 that strengthening rib 102 is difficult for deformation impaired when receiving the striking, the front end of bumper shell 1 is provided with guide bar 103, and guide bar 103 is provided with two, the one end of guide bar 103 extends to the internal connection of buffer box 2 and has a magnetic absorption piece 105, the cover is equipped with extrusion spring one 104 on the outer wall of guide bar 103, the both ends of extrusion spring one 104 respectively with bumper shell 1 and buffer box 2 fixed connection, one side that magnetic absorption piece one 105 is relative is provided with magnetic absorption piece two 107, and magnetic absorption piece two 107 and buffer box 2 fixed connection, move to buffer box 2 when bumper shell 1 receives the impact, can drive guide bar 103 equidirectional movement this moment, utilize guide bar 103 to inject bumper shell 1's removal orbit, prevent bumper shell 1 from taking place the skew at the orbit during the removal, the impact of extrusion spring one 104 to external force is buffered, the energy-absorbing, the magnetic pole direction of magnetic absorption piece one 105 and magnetic absorption piece two 107 is the same with bumper shell 1, consequently, the guide bar 2 can be kept away from being close to the fixed to buffer box 2 and the buffer box 2, the impact plate 202 can be prevented from being located down by the fixed to the buffer box 2, further impact plate 202 is avoided.

In order to solve the technical problem that the existing automobile bumper is insufficient in protection of two side surfaces, which results in the side surfaces being easier to break and damage than the front surface, referring to fig. 2 and 4, the present embodiment provides the following technical scheme:

the inside of buffer tank 2 is fixed and is provided with fixed plate 202, be provided with movable seat 203 on the fixed plate 202 slip, the inside of movable seat 203 is provided with recess 208, the inside of recess 208 is provided with round pin axle 209, the inboard of bumper shell 1 is provided with hinge 106, hinge 106 passes through connecting rod 204 and is connected with the transmission of round pin axle 209, logical groove 201 has all been seted up to the both sides of buffer tank 2, fixed backup pad 205 that is provided with on the fixed plate 202, the both sides of backup pad 205 all are provided with slide bar 206, and slide bar 206 and movable seat 203 sliding connection, the cover is equipped with extrusion spring two 207 on the slide bar 206 outer wall, extrusion spring two 207's both ends respectively with backup pad 205 and movable seat 203 fixed connection, when bumper shell 1 receives the striking from both sides, drive hinge 106 to buffer tank 2 department, under the transmission of connecting rod 204, and then drive movable seat 203 is close to backup pad 205, the energy that the impact produced can be better absorbed to slide bar 206, it is more smooth and smooth to make movable seat 203 slide on fixed plate 202, the movement of connecting rod 204 is convenient for through groove 201.

Working principle: when the automobile bumper is used, the connecting plate 3 is installed on an automobile through the installation hole, when the automobile tail is impacted, the bumper shell 1 has better anti-collision capability due to the protection of the anti-collision pad 101 and the reinforcing ribs 102, the bumper shell 1 is prevented from being damaged, the bumper shell 1 moves towards the buffer box 2 when being impacted, the guide rod 103 can be driven to move in the same direction at the moment, the air bag 4 can buffer and absorb external impact force, the buffer effect of the automobile bumper is improved, the first extrusion spring 104 buffers and absorbs the impact force of external force, the magnetic pole directions of the first magnetic suction block 105 and the second magnetic suction block 107 are the same, like poles repel each other, so that the bumper shell 1 can be prevented from continuing to be close to the buffer box 2, vibration and impact force absorption are further reduced, when the bumper shell 1 is impacted from two sides, the hinge seat 106 is driven to move towards the buffer box 2, the movable seat 203 is driven to be close to the support plate 205, and the damaged second extrusion spring 207 on the 206 can better absorb the impact generated energy under the transmission of the connecting rod 204, and the conditions of vehicles and personnel are reduced.

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

1. A shock absorbing car bumper comprising a bumper housing (1), characterized in that: the front end of bumper shell (1) is provided with buffer tank (2), the preceding terminal surface of buffer tank (2) is provided with connecting plate (3), be provided with the mounting hole on connecting plate (3) for install on the car, the inboard of bumper shell (1) is provided with hinge (106), the inside of buffer tank (2) is fixed to be provided with fixed plate (202), sliding on fixed plate (202) is provided with movable seat (203), the inside of movable seat (203) is provided with recess (208), the inside of recess (208) is provided with round pin axle (209), hinge (106) are connected with round pin axle (209) transmission through connecting rod (204).

2. The shock absorbing automobile bumper of claim 1, wherein: reinforcing ribs (102) are arranged on the inner wall of the bumper shell (1), guide rods (103) are arranged at the front end of the bumper shell (1), and two guide rods (103) are arranged.

3. A shock absorbing automobile bumper according to claim 2, wherein: one end of the guide rod (103) extends to the inner part of the buffer box (2) and is connected with a first magnetic attraction block (105), an extrusion spring (104) is sleeved on the outer wall of the guide rod (103), and two ends of the extrusion spring (104) are fixedly connected with the buffer box (2) and the bumper shell (1) respectively.

4. A shock absorbing automobile bumper according to claim 3, wherein: and a second magnetic block (107) is arranged on the opposite side of the first magnetic block (105), and the second magnetic block (107) is fixedly connected with the buffer box (2).

5. The shock absorbing automobile bumper of claim 1, wherein: through grooves (201) are formed in two sides of the buffer box (2).

6. The shock absorbing automobile bumper of claim 1, wherein: the fixed plate (202) is fixedly provided with a supporting plate (205), sliding rods (206) are arranged on two sides of the supporting plate (205), and the sliding rods (206) are in sliding connection with the movable seat (203).

7. The shock absorbing automobile bumper of claim 6, wherein: the outer wall of the sliding rod (206) is sleeved with a second extrusion spring (207), and two ends of the second extrusion spring (207) are fixedly connected with the supporting plate (205) and the movable seat (203) respectively.

8. A shock absorbing automobile bumper according to claim 2, wherein: the two guide rods (103) are respectively arranged above and below the fixed plate (202).

9. The shock absorbing automobile bumper of claim 1, wherein: the rear end face of the bumper shell (1) is provided with an anti-collision pad (101).

10. The shock absorbing automobile bumper of claim 1, wherein: an airbag (4) for buffering is arranged between the bumper shell (1) and the buffer box (2).