Buffer device of automobile bumper

Abstract

The utility model discloses an automobile bumper buffering device which comprises an installation frame and a protection frame, a sliding groove is formed in one side of the installation frame, a sliding rod is fixedly connected in the sliding groove, a plurality of movable blocks are arranged on the outer side of the sliding rod in a sleeved mode, the movable blocks are connected with the sliding groove in a sliding mode, and the protection frame is fixedly connected with the installation frame. And one sides of the multiple movable blocks are fixedly connected with telescopic rods, the tail ends of the multiple telescopic rods are fixedly connected with the same protection frame, the outer sides of the multiple telescopic rods are sleeved with first springs, the two ends of the sliding rods are sleeved with second springs, and the two ends of the second springs are fixedly connected with the sliding grooves and the movable blocks correspondingly. According to the device, the movable blocks and the sliding grooves are used in cooperation, when the oblique angles of the protection frame are collided, the protection frame can move transversely, the buffering effect is achieved in cooperation with the elasticity of the second springs, deformation and damage caused by hard collision of the protection frame are prevented, therefore, buffering protection of the device is more comprehensive, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile bumper buffer, specifically is a kind of automobile bumper buffer device. BACKGROUND

[0002] The automobile bumper is a safety device for absorbing and reducing external impact force and protecting the front and rear of the vehicle body, which is located at the front and rear of the vehicle. The main function is to absorb collision energy through its deformation when the vehicle collides, reducing damage to the main structure of the vehicle body and passengers. At the same time, the bumper also has a certain decorative function, which can make the appearance of the car more beautiful and harmonious. It is usually made of plastic and other materials, and some high-performance cars or special-purpose vehicles may use composite materials with higher strength. In order to improve the anti-collision protection capability of the automobile bumper, a buffer device is usually installed on the outside of the automobile bumper.

[0003] In the prior art, Chinese patent CN220096304U discloses an automobile bumper buffer structure, relating to the technical field of automobile bumper, comprising a mounting seat, a cross beam is installed on the surface of the mounting seat, a rubber block is installed on the side of the cross beam away from the mounting seat, a connecting plate is installed on the side of the rubber block away from the cross beam, a buffer material is provided on the side of the connecting plate away from the rubber block, an outer plate is installed on the side of the buffer material away from the connecting plate, and a connecting bolt is inserted into the inner part of the outer plate. The utility model installs connecting plate on the side of buffer material close to cross beam, and then places rubber block between connecting plate and cross beam. When the outer plate receives impact force, the buffer material deforms, and when the impact force is greater than the upper limit of the stress of the buffer material, the buffer material moves towards the cross beam. In the moving process, the connecting plate pushes the rubber block, and the connecting plate uniformly transmits the force to the rubber block, so that the rubber block deforms.

[0004] However, the automobile bumper buffer structure provided in the above technical solution still has many shortcomings in actual application, such as insufficient comprehensive buffering protection during collision. When the two ends of the automobile bumper are at an angle and collide, the device cannot effectively play a buffering protection role, making the device prone to deformation and damage, resulting in poor practicality. SUMMARY

[0005] The purpose of this section is to outline some aspects of the embodiments of the present utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In order to solve the problems of the automobile bumper buffer structure in the background art, which is not comprehensive in buffering protection when the automobile bumper two ends are collided, and cannot effectively play a buffering protection role, the utility model discloses the following technical scheme.

[0007] A kind of automobile bumper buffer device, including installation frame and protection frame, the side of the installation frame is equipped with sliding slot, the inside of the sliding slot is fixedly connected with slide rod, the outside of the slide rod is equipped with multiple movable blocks, and multiple movable blocks and sliding slot are all slidingly connected, the side of multiple movable blocks is fixedly connected with telescopic rod, the end of multiple telescopic rods is fixedly connected with same protection frame, the outside of multiple telescopic rods is equipped with first spring, the both ends of the slide rod are equipped with second spring, and the both ends of second spring are fixedly connected with sliding slot and movable block respectively.

[0008] Preferably, the central axis of the first spring coincides with the central axis of the telescopic rod, and the telescopic rod is symmetrical about the vertical center line of the installation frame, and the outside dimension of the telescopic rod coincides with the inside dimension of the first spring.

[0009] Preferably, the center of the movable block is provided with a circular hole through which the slide rod passes, and the inner diameter of the circular hole coincides with the outer diameter of the slide rod, the height of the movable block coincides with the width of the sliding slot, and the inner diameter of the second spring coincides with the outer diameter of the slide rod.

[0010] Preferably, the end of the telescopic rod is provided with a protection ring, and the protection ring is fixedly connected with one side of the protection frame, and the central axis of the protection ring coincides with the central axis of the telescopic rod.

[0011] Preferably, the side of the protection frame away from the telescopic rod is provided with a placing groove, and the inside of the placing groove is fixedly connected with an air bag, and the side of the protection frame close to the installation frame is fixedly connected with a telescopic capsule, and the telescopic capsule and the air bag are communicated through a connecting pipe, and the connecting pipe penetrates the protection frame.

[0012] Preferably, the both ends of the installation frame are fixedly connected with soft rubber tables, and the soft rubber tables are symmetrical about the vertical center line of the installation frame, and the inside of the soft rubber table is a hollow structure.

[0013] Preferably, the side of the installation frame away from the protection frame is fixedly connected with multiple mounting frames, and the mounting frames are symmetrical about the vertical center line of the installation frame, and the top of the installation frame is provided with multiple positioning holes, and the positioning holes are uniformly distributed about the horizontal center line of the installation frame.

[0014] Beneficial effects

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] The utility model discloses through the cooperation of first spring and telescopic link, can when the protection frame collides, start the buffer protection effect, when the protection frame is impacted, make the protection frame extrude telescopic capsule to extrude the air in telescopic capsule into the air bag through the connecting pipe, and the air bag is inflated, and the air bag of inflation can further play the role of buffering, improve the buffering effect of the device, the setting of the placing groove is convenient for the edge of the air bag to play the limiting effect, and the air bag is stored, and the cooperation of the movable block and the sliding slot can make the protection frame move horizontally when the inclined angle of the protection frame is impacted, and the elasticity of the second spring is cooperated, realizes the effect of buffering, prevents the protection frame from being deformed and damaged due to rigid collision, thereby making the device buffer protection more comprehensive, and improving the practicability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the local three-dimensional structure schematic diagram of the utility model;

[0019] Figure 3 It is the whole front view structure schematic diagram of the utility model;

[0020] Figure 4 It is the installation frame three-dimensional structure schematic diagram of the utility model;

[0021] Figure 5 It is the sliding slot three-dimensional structure schematic diagram of the utility model.

[0022] The corresponding relationship between the various figures in the drawing and the component names is as follows:

[0023] 1, installation frame;2, sliding slot;3, sliding rod;4, movable block;5, telescopic link;6, protection frame;7, first spring;8, second spring;9, protection ring;10, placing groove;11, air bag;12, telescopic capsule;13, connecting pipe;14, soft glue table;15, mounting bracket;16, positioning hole. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiment of the utility model is described in detail below with the help of the drawings in the specification.

[0025] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description herein, and those skilled in the art can make similar generalization without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.

[0026] Secondly, the "one embodiment" or "embodiment" referred to herein means a specific feature, structure, or characteristic that can be included in at least one implementation of the present application. The "in one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is mutually exclusive with other embodiments. The present application provides the following embodiments.

[0027] Please refer to Figures 1-5 The present application provides an embodiment: an automobile bumper buffer device, comprising a mounting frame 1 and a protective frame 6, a plurality of mounting racks 15 are fixedly connected to the side of the mounting frame 1 away from the protective frame 6, the plurality of mounting racks 15 are symmetrical about the vertical center line of the mounting frame 1, a plurality of positioning holes 16 are formed in the top of the mounting frame 1, the plurality of positioning holes 16 are uniformly distributed about the horizontal center line of the mounting frame 1, the mounting frame 1 and the mounting part of the automobile bumper can be connected through the mounting rack 15, and the mounting frame 1 can be fixed by cooperating with the use of the positioning hole 16, thereby completing the installation of the device.

[0028] In the present embodiment, a sliding groove 2 is formed on one side of the mounting frame 1, a sliding rod 3 is fixedly connected inside the sliding groove 2, a plurality of movable blocks 4 are sleeved outside the sliding rod 3, and the plurality of movable blocks 4 are slidingly connected with the sliding groove 2, a telescopic rod 5 is fixedly connected to one side of each of the plurality of movable blocks 4, the same protective frame 6 is fixedly connected to the end of the plurality of telescopic rods 5, a first spring 7 is sleeved outside each of the plurality of telescopic rods 5, the central axis of the first spring 7 coincides with the central axis of the telescopic rod 5, the plurality of telescopic rods 5 are symmetrical about the vertical center line of the mounting frame 1, the outside dimension of the telescopic rod 5 matches the inside dimension of the first spring 7, and the first spring 7 and the telescopic rod 5 are used in cooperation to start the buffer protection function when the protective frame 6 collides.

[0029] In the present embodiment, a placing groove 10 is formed on the side of the protective frame 6 away from the telescopic rod 5, an air bag 11 is fixedly connected inside the placing groove 10, a telescopic capsule 12 is fixedly connected to the side of the protective frame 6 close to the mounting frame 1, the telescopic capsule 12 and the air bag 11 are communicated through a connecting pipe 13, and the connecting pipe 13 penetrates through the protective frame 6. When the protective frame 6 is impacted, the protective frame 6 extrudes the telescopic capsule 12, so that the air in the telescopic capsule 12 is extruded into the air bag 11 through the connecting pipe 13 to inflate the air bag 11, and the inflated air bag 11 can further play a buffering role to improve the buffering effect of the device. The setting of the placing groove 10 facilitates the limiting effect of the edge of the air bag 11 and facilitates the storage of the air bag 11.

[0030] In the embodiment, the telescopic rod 5 is provided with a protective ring 9 outside the end, and the protective ring 9 is fixedly connected with one side of the protective frame 6, the central axis of the protective ring 9 coincides with the central axis of the telescopic rod 5, and the protective ring 9 is arranged to protect the connection between the telescopic rod 5 and the protective frame 6.

[0031] In the embodiment, the two ends of the slide rod 3 are sleeved with the second springs 8, and the two ends of the second springs 8 are fixedly connected with the sliding groove 2 and the movable block 4 respectively, the center of the movable block 4 is provided with a circular hole through which the slide rod 3 passes, the inner diameter of the circular hole is consistent with the outer diameter of the slide rod 3, the height of the movable block 4 is consistent with the width of the sliding groove 2, and the inner diameter of the second spring 8 is consistent with the outer diameter of the slide rod 3, so that the sliding groove 2 and the movable block 4 are used in cooperation to make the protective frame 6 move horizontally when the inclined angle of the protective frame 6 is impacted, and the elasticity of the second spring 8 is used to realize the buffering effect and prevent the protective frame 6 from being deformed and damaged due to hard impact, so that the buffering protection of the device is more comprehensive, the practicability of the device is improved, and the stability of the movable block 4 is ensured by the slide rod 3.

[0032] In the embodiment, the two ends of the installation frame 1 are fixedly connected with the soft rubber tables 14, and the soft rubber tables 14 are symmetrical about the vertical center line of the installation frame 1, and the inside of the soft rubber table 14 is a hollow structure, so that the elasticity of the soft rubber table 14 can further play a buffering role when the inclined angle of the protective frame 6 is impacted, and the buffering performance of the device is enhanced.

[0033] Working principle: in use of the device, first through the installation frame 15 can be installed frame 1 and the installation of the automobile bumper parts are connected, cooperate with the use of positioning hole 16, can be installed frame 1 is fixed, the installation of the device is completed, through the cooperation of first spring 7 and telescopic rod 5, can start the buffer protection effect when the protection frame 6 collision, when the protection frame 6 is impacted, so that the protection frame 6 on the telescopic capsule 12 extrusion, thus extruding the air in the telescopic capsule 12 through the connecting pipe 13 into the air bag 11, the air bag 11 is inflated, through the inflated air bag 11 can further play the role of buffer, improve the buffering effect of the device, the setting of the slot 10, convenient for the edge of the air bag 11 play limiting effect, the storage of air bag 11 is convenient, the use of movable block 4 and the cooperation of sliding groove 2, can make the protection frame 6 transverse movement when the inclined angle of the protection frame 6 is impacted, cooperate with the elasticity of the second spring 8, realize the role of buffer, prevent the protection frame 6 from hard collision and cause deformation and damage, so that the device buffering protection is more comprehensive, improve the practicability of the device, the setting of the slide rod 3, can ensure the stability of movable block 4 movement, the setting of the protection ring 9, can play the protection effect on the connection between telescopic rod 5 and protection frame 6, the use of soft rubber platform 14 elasticity, can further play the role of buffer when the inclined angle of the protection frame 6 is impacted, enhance the buffering performance of the device.

[0034] The above is further detailed description of the utility model in combination with specific embodiments, which cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary skilled in the art to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, which should be regarded as belonging to the protection scope determined by the claims of the utility model.

Claims

1. A bumper fender device for a vehicle comprising a mounting frame (1) and a protective frame (6), characterized in that: The side of the mounting frame (1) is provided with a sliding groove (2), the inner side of the sliding groove (2) is fixedly connected with a sliding rod (3), the outer side of the sliding rod (3) is sleeved with a plurality of movable blocks (4), and the movable blocks (4) and the sliding groove (2) are slidably connected, one side of the movable blocks (4) is fixedly connected with a telescopic rod (5), the ends of the telescopic rods (5) are fixedly connected with the same protective frame (6), the outer side of the telescopic rods (5) is sleeved with a first spring (7), and the two ends of the second spring (8) are fixedly connected with the sliding groove (2) and the movable block (4).

2. The automotive bumper absorber of claim 1, wherein: The central axis of the first spring (7) coincides with the central axis of the telescopic rod (5), the telescopic rods (5) are symmetrical about the vertical center line of the mounting frame (1), and the outer side dimension of the telescopic rod (5) coincides with the inner side dimension of the first spring (7).

3. The automotive bumper absorber of claim 2, wherein: The center of the movable block (4) is provided with a circular hole through which the sliding rod (3) passes, and the inner diameter of the circular hole coincides with the outer diameter of the sliding rod (3), the height of the movable block (4) coincides with the width of the sliding groove (2), and the inner diameter of the second spring (8) coincides with the outer diameter of the sliding rod (3).

4. The automotive bumper absorber of claim 3, wherein: The end of the telescopic rod (5) is provided with a protective ring (9), and the protective ring (9) is fixedly connected with one side of the protective frame (6), and the central axis of the protective ring (9) coincides with the central axis of the telescopic rod (5).

5. The automotive bumper absorber of claim 4, wherein: The side of the protective frame (6) away from the telescopic rod (5) is provided with a placing groove (10), and the inner side of the placing groove (10) is fixedly connected with an air bag (11), the side of the protective frame (6) close to the mounting frame (1) is fixedly connected with a telescopic capsule (12), the telescopic capsule (12) and the air bag (11) are communicated through a connecting pipe (13), and the connecting pipe (13) penetrates the protective frame (6).

6. The automotive bumper absorber of claim 5, wherein: The two ends of the mounting frame (1) are fixedly connected with soft rubber tables (14), and the soft rubber tables (14) are symmetrical about the vertical center line of the mounting frame (1), and the inner side of the soft rubber table (14) is a hollow structure.

7. The bumper system of any of claims 1-6, wherein: The side of the mounting frame (1) away from the protective frame (6) is fixedly connected with a plurality of mounting frames (15), and the mounting frames (15) are symmetrical about the vertical center line of the mounting frame (1), and the top of the mounting frame (1) is provided with a plurality of positioning holes (16), and the positioning holes (16) are uniformly distributed about the horizontal center line of the mounting frame (1).

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