Buffer structure of automobile bumper

Abstract

The utility model discloses an automobile bumper buffering structure which comprises a bumper body and a radiator, a clamping groove is formed in one side of the bumper body, a supporting frame is in contact with the interior of the clamping groove, a groove is formed in the supporting frame, a concentric-square-shaped air bag is arranged on one side of the supporting frame, an air injection hole is fixedly connected to one side of the concentric-square-shaped air bag, and a clamping strip is in contact with one side of the concentric-square-shaped air bag. The clamping strip is of a U-shaped structure, one side of the clamping strip makes contact with a clamping sleeve, a positioning rod is inserted into the clamping sleeve, the positioning rod is in threaded connection with the clamping strip, one side of the clamping sleeve is fixedly connected with a limiting block, the limiting block makes contact with the supporting frame, one side of the concentric-square-shaped air bag makes contact with a connecting plate, and the connecting plate is made of rubber. The groove is formed in the supporting frame to be matched with the homocentric-square-shaped air bag, meanwhile, the locating rod and the clamping strip are matched with the limiting block to limit the homocentric-square-shaped air bag, buffering can be provided, meanwhile, the buffering structure is prevented from affecting heat dissipation of the radiator, and therefore the buffering effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile bumper, specifically relates to a bumper buffer structure of automobile. BACKGROUND

[0002] The automobile bumper is a kind of accessory and vulnerable spare part of vehicle body, usually composed of outer plate and crossbeam, the outer plate is usually supported by plastic, and is punched into U-shaped groove by cold-rolled sheet with thickness of about 1.5mm, and is matched with crossbeam to achieve the effect of disassembly and replacement.

[0003] Usually, the bumper and the crossbeam are provided with a buffer structure to reduce the damage degree of the bumper in collision, but the buffer structure composed of mounting seat and buffer material will block the position of the automobile radiator, affecting the safe driving of the automobile.

[0004] According to the "buffer material for automobile bumper" with Chinese patent publication number CN220096304U, the main description is that a connecting plate is installed on the side of the buffer material close to the crossbeam, and a rubber block is placed between the connecting plate and the crossbeam, when the outer plate receives impact force, the buffer material deforms, when the impact force is greater than the upper limit of the stress of the buffer material, the buffer material moves towards the crossbeam, and in the moving process, the connecting plate is pushed, the connecting plate uniformly transmits the force to the rubber block, the rubber block deforms, ensures that the buffer material failure can also absorb and slow down part of the external impact force, increases the safety of the vehicle and the driver, in this process, the buffer structure composed of mounting seat and buffer material will block the position of the automobile radiator, affecting the safe driving of the automobile.

[0005] Therefore, a bumper buffer structure of automobile is proposed to solve the problem that the buffer structure composed of mounting seat and buffer material will block the position of the automobile radiator, affecting the safe driving of the automobile. UTILITY MODEL CONTENTS

[0006] The utility model solves the technical problem that the buffer structure composed of mounting seat and buffer material will block the position of the automobile radiator, affecting the safe driving of the automobile, and therefore proposes a bumper buffer structure of automobile.

[0007] The utility model discloses a technical scheme that solves technical problems is: a kind of bumper buffer structure of car, including bumper body and radiator, the side of the bumper body is provided with clamping groove, the support frame is contacted in the clamping groove, the first recess is opened in the support frame, the support frame side is provided with backshaped air bag, the backshaped air bag side is fixedly connected with gas injection hole, the backshaped air bag side is contacted with clamping strip, the clamping strip is U-shaped structure, the clamping strip side is contacted with clamping sleeve, the clamping sleeve is inserted with locating rod, the locating rod is screwed with clamping strip, the clamping sleeve side is fixedly connected with limit block, and the limit block is contacted with support frame.

[0008] As a preferred technical scheme of the utility model, the backshaped air bag side is contacted with link plate, the link plate is composed of rubber, and the link plate is fixedly connected on the side of limit block, and the stability of the backshaped air bag is increased by setting link plate.

[0009] As a preferred technical scheme of the utility model, the backshaped air bag side is contacted with backshaped backing plate, and the backshaped backing plate is fixedly connected on the side of support frame, and the contact surface with backshaped air bag is increased by setting backshaped backing plate.

[0010] As a preferred technical scheme of the utility model, the limit slot is opened on the support frame, the limit rod is fixedly connected in the limit slot, and the protrusion is sleeved with the limit rod, and the limit block is fixedly connected with the protrusion, and the buffering effect of the bumper of car is increased when the bumper is impacted by setting limit rod and protrusion in cooperation with limit block.

[0011] As a preferred technical scheme of the utility model, the protrusion side is contacted with spring, and the spring is sleeved on the limit rod, and the contact surface of limit block and bumper body is increased by setting spring, and the buffering effect is improved.

[0012] The utility model has the following advantages: by setting recess on the support frame in cooperation with backshaped air bag, and by setting locating rod and clamping strip in cooperation with limit block to provide limit for backshaped air bag, buffering can be provided while avoiding that buffering structure influences the heat dissipation of radiator, so that the buffering effect is improved. ACCURACY OF DRAWINGS

[0013] Fig. 1 It is a kind of automobile bumper buffer structure's overhead sectional structure schematic diagram of a preferred embodiment of the utility model;

[0014] Fig. 2 It is a kind of automobile bumper buffer structure's three-dimensional structure schematic diagram of a preferred embodiment of the utility model;

[0015] Fig. 3 It is a kind of backshaped air bag place overhead sectional structure schematic diagram of a kind of automobile bumper buffer structure of a preferred embodiment of the utility model.

[0016] Explanation of reference signs: 1, bumper body; 2, radiator; 3, clamping groove; 4, support frame; 5, back-shaped air bag; 6, gas injection hole; 7, clamping strip; 8, limiting block; 9, clamping sleeve; 10, positioning rod; 11, connecting plate; 12, limiting groove; 13, limiting rod; 14, spring; 15, back-shaped pad plate. DETAILED DESCRIPTION

[0017] The utility model will be further described below with reference to the drawings.

[0018] Please refer to Figs. 1-3 The utility model provides an automobile bumper buffer structure as shown in the figure, including bumper body 1 and radiator 2, bumper body 1 one side is provided with clamping groove 3, and clamping groove 3 is contacted with support frame 4, and first recess is set up on support frame 4, and back-shaped air bag 5 is arranged on the one side of support frame 4, and gas injection hole 6 is fixedly connected on the one side of back-shaped air bag 5, and the structure of gas injection hole 6 can fill gas into back-shaped air bag 5 when maintaining, and clamping strip 7 is contacted with the one side of back-shaped air bag 5, and clamping strip 7 is U-shaped structure, and clamping sleeve 9 is contacted with the one side of clamping strip 7, and clamping sleeve 9 is connected with clamping strip 7 through positioning rod 10 and is limited, so as to limit back-shaped air bag 5 conveniently, and positioning rod 10 is inserted in clamping sleeve 9, and positioning rod 10 is screwed with clamping strip 7, and limiting block 8 is fixedly connected on the one side of clamping sleeve 9, and limiting block 8 is triangular structure, and limiting block 8 is made of rubber, and limiting block 8 is contacted with support frame 4.

[0019] Among them, the one side of limiting block 8 is fixedly connected with connecting plate 11, and the one side of back-shaped air bag 5 is contacted with limiting block 8, and connecting plate 11 is made of rubber, and the friction between connecting plate 11 and back-shaped air bag 5 can be increased by setting connecting plate 11, and the stability of back-shaped air bag 5 is improved.

[0020] Among them, the one side of support frame 4 is fixedly connected with back-shaped pad plate 15, and back-shaped pad plate 15 is contacted with the one side of back-shaped air bag 5, and the stability of back-shaped air bag 5 when placing can be increased by setting back-shaped pad plate 15.

[0021] Among them, limiting block 8 is fixedly connected with protrusion, and protrusion is sleeved with limiting rod 13, and limiting rod 13 is fixedly connected in limiting groove 12, and limiting groove 12 is located on support frame 4, and the support of the inclined surface of bumper body 1 can be provided by setting limiting rod 13 and protrusion and cooperating with limiting block 8, and the buffer effect of automobile bumper is improved.

[0022] Among them, spring 14 is sleeved on limiting rod 13, and spring 14 is contacted with the one side of protrusion, and further buffer effect is provided by setting spring 14.

[0023] Working principle: the first recess is opened on the support frame 4, the unfolded heat sink 2 is accommodated, the back-shaped air bag 5 is placed between the two limiting blocks 8, then the limiting block 8 is stably limited to the back-shaped air bag 5 through the limiting rod 13 and the protrusion, further, the clamping strip 7 is connected with the clamping sleeve 9, then the positioning rod 10 is limited, different surfaces of the bumper body 1 are collided and first contact the limiting block 8 or the back-shaped air bag 5, in the extrusion process, the buffering effect can be greatly improved, and the buffering structure is avoided to block the heat sink 2.

[0024] The above is only the preferred embodiment of the present application, it should be pointed out that, for those skilled in the art, without departing from the principles of the present application, can make a number of improvements and refinements, these improvements and refinements should also be considered as the protection scope of the present application.

[0025] The other parts not described in the present application are all prior art, so here is not described.

[0026] Finally, it should be noted that: the above examples are used to illustrate the technical scheme of the present application, rather than limit it; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing examples, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the present application.

Claims

1. A bumper fender structure for an automobile comprising a bumper body (1) and a radiator (2), characterized by, The bumper body (1) is provided with a clamping groove (3) on one side, a supporting frame (4) is in contact with the clamping groove (3), a first recess is formed on the supporting frame (4), a back-shaped air bag (5) is arranged on one side of the supporting frame (4), a gas injection hole (6) is fixedly connected to one side of the back-shaped air bag (5), a clamping strip (7) is in contact with one side of the back-shaped air bag (5), the clamping strip (7) is in U-shaped structure, a clamping sleeve (9) is in contact with one side of the clamping strip (7), a positioning rod (10) is inserted into the clamping sleeve (9), the positioning rod (10) is threadedly connected with the clamping strip (7), a limiting block (8) is fixedly connected to one side of the clamping sleeve (9), and the limiting block (8) is in contact with the supporting frame (4).

2. The bumper structure for a vehicle according to claim 1, wherein One side of the back-shaped air bag (5) is in contact with a connecting plate (11), the connecting plate (11) is made of rubber, and the connecting plate (11) is fixedly connected to one side of the limiting block (8).

3. A bumper structure for a vehicle as defined in claim 2, wherein One side of the back-shaped air bag (5) is in contact with a back-shaped backing plate (15), and the back-shaped backing plate (15) is fixedly connected to one side of the supporting frame (4).

4. A bumper structure for a vehicle as defined in claim 3, wherein A limiting groove (12) is formed on the supporting frame (4), a limiting rod (13) is fixedly connected in the limiting groove (12), and a protrusion is sleeved on the limiting rod (13).

5. A bumper structure for a vehicle as defined in claim 4, wherein One side of the protrusion is in contact with a spring (14), and the spring (14) is sleeved on the limiting rod (13).

Images