Buffer protection structure of automobile cabin door

By installing buffer components and reinforcement components in the car door, using airbags and damping springs to absorb collision energy, and supporting plates and diagonal rods to support the door panels, the problem of damage and deformation of the door during a collision is solved, and the service life and safety of the door are improved.

CN223459266UActive Publication Date: 2025-10-21FUJIAN QITIANXIN AUTOMOBILE CO LTD
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Patent Information

Application Number
CN202422837375.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-10-21
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

Existing car hatches are severely damaged and easily deformed during collisions, resulting in a reduced service life and an increased risk of injury to people inside the car.

Method used

A buffer component and a reinforcement component are set in the cabin door. The buffer component absorbs collision energy through airbags and damping springs, and the reinforcement component supports the door panel through support plates and diagonal rods to reduce deformation and damage.

Benefits of technology

Effectively reduce the impact force, minimize damage to the hatch, prevent deformation of door panels, improve hatch stability, and protect the safety of people inside the vehicle.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a buffer protection structure of an automobile cabin door, which relates to the related field of automobile cabin doors and comprises a door plate, a cabin door is fixed on the rear end face of the door plate through screws, a buffer component is arranged at the rear end of the door plate, and collision energy is buffered and absorbed by deformation of an air bag under pressure. In this way, collision energy is buffered, counteracted and absorbed by means of the fact that the damping spring is compressed and the air bag deforms due to compression, then the collision strength is effectively reduced, and the damage situation of the door plate and the cabin door is greatly reduced; the reinforcing assembly is arranged at the middle end of the rear end face in the cabin door, the concave position of the door plate is supported through the supporting plate under cooperation of the ejector rod and the inclined rod, in this way, the door plate is conveniently supported by means of the advantages of good stability and high bearing capacity of an arc-shaped structure of the supporting plate, and injury to people in a vehicle caused by the deformed door plate is avoided; and the overall stability of the cabin door is effectively enhanced through the reinforcing strips and the reinforcing blocks.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field related to automobile cabin door, concretely is a kind of buffer protection structure of automobile cabin door. BACKGROUND

[0002] The original car refers to the transport vehicle with combustible gas as power, also refers to the vehicle with self-equipped power drive, generally has four or four or more wheels, not rely on track or wire and travel on land, vehicle is usually used as the vehicle for carrying passengers, goods and towing passenger, goods trailer, also be for completing special transport task or work task and being modified or being equipped with special equipment into special vehicle, but not including the machinery specially used for agriculture.

[0003] The automobile cabin door of prior art is more serious in the case of collision, and the service life of the automobile cabin door is reduced, and the automobile cabin door of prior art is easily deformed due to the low strength of the automobile cabin door when the automobile cabin door is collided, and the deformed cabin door is easy to cause injury to the people in the car. UTILITY MODEL CONTENTS

[0004] Therefore, in order to solve the above problems, the utility model provides a kind of buffer protection structure of automobile cabin door.

[0005] The utility model is realized, and a kind of buffer protection structure of automobile cabin door is constructed, the device includes door panel, the door panel rear end is fixed with cabin door by screw;Buffering assembly, the rear end of the door panel is provided with buffering assembly;Enhancement component, the rear end of the cabin door is provided with enhancement component in middle end face;The buffering assembly includes: mounting box, the rear end of the door panel is provided with mounting box;Pressing plate, the inboard surface of mounting box is slidably connected with pressing plate;Gasket, the gasket is adhered and installed on the front end surface of pressing plate;Damper spring, the rear end surface in mounting box is provided with damper spring, and the front end of damper spring is elastically connected with pressing plate;Air bag, the air bag is adhered and installed on the rear end surface in mounting box.

[0006] Preferably, the enhancement component includes: fixed plate, the rear end face of the cabin door is bolted and installed with fixed plate in middle end, and the front end surface of fixed plate is bolted and connected with the rear end of mounting box;Support plate, the support plate is fixed with the bottom of fixed plate by screw.

[0007] Preferably, the enhancement component further includes: top rod, the top rod is welded and installed in middle end of the rear end surface of support plate;Inclined rod, the rear end surface of support plate is oppositely provided with inclined rod.

[0008] Preferably, the enhancement component further includes: reinforcing strip, the left and right sides of fixed plate are respectively welded and installed with reinforcing strip;Enhancement block, the left side reinforcing strip of fixed plate is fixed with enhancement block by screw.

[0009] Preferably, the front end surface of the gasket is evenly provided with wavy patterns.

[0010] Preferably, the outer sides of the support plate, the reinforcement strip and the reinforcement block are all coated with an anti-rust coating.

[0011] Preferably, the angle between the oblique rod and the inner rear end surface of the support plate is sixty degrees.

[0012] The utility model has the following advantages: the utility model provides a buffer protection structure for a car door through improvement, which has the following improvements compared with similar devices:

[0013] The utility model discloses a buffer protection structure for a car hatch, which is provided with a buffer component at the rear end of the door panel. The airbag is compressed and deformed to buffer and absorb the collision energy. In this way, the compression of the damping spring and the deformation of the airbag are utilized to buffer, offset and absorb the collision energy, thereby effectively reducing the force of the collision and greatly reducing the damage to the door panel and the hatch.

[0014] The utility model discloses a buffer protection structure for a car door, which is provided with a reinforcing component at the middle end of the rear end surface inside the door, and supports the recessed part of the door panel through the support plate in cooperation with the top rod and the diagonal rod. In this way, the advantages of good stability and strong bearing capacity of the arc-shaped structure of the support plate are utilized to support the door panel, effectively reducing the deformation of the door panel and avoiding injuries to people in the car caused by the deformed door panel, and effectively enhancing the overall stability of the door through the reinforcing strips and reinforcing blocks. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Fig. 1 It is a schematic diagram of the structure of the utility model;

[0016] Fig. 2 This is a schematic diagram of the three-dimensional structure of the buffer component and the reinforcement component of the utility model;

[0017] Fig. 3 This is a schematic diagram of the top view of the installation box of the utility model;

[0018] Fig. 4 This is a schematic diagram of the three-dimensional structure of the reinforcement component of the utility model;

[0019] Fig. 5 This utility model Fig. 4 A in the figure is an enlarged structural diagram.

[0020] Including: door panel-1, cabin door-2, buffer assembly-3, reinforcement assembly-4, installation box-31, pressure plate-32, gasket-33, damping spring-34, airbag-35, fixing plate-41, support plate-42, top rod-43, diagonal rod-44, reinforcement strip-45, reinforcement block-46. DETAILED DESCRIPTION

[0021] The application will be described with reference to the drawings attached hereto. Figs. 1-5 The principles and features of the present application are described, the examples are used to explain the present application, and are not intended to limit the scope of the present application. In the following paragraphs, the present application is described in more detail with reference to the accompanying drawings. The advantages and features of the present application will be more apparent from the following description and claims. It should be noted that the drawings are greatly simplified and use non-precise proportions, only to facilitate, clearly assist in explaining the purpose of the present application.

[0022] It should be noted that when a component is referred to as being "fixed" to another component, it can be directly on the other component or there can be an intervening component. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or there can be an intervening component. When a component is referred to as being "disposed" on another component, it can be directly disposed on the other component or there can be an intervening component. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0024] Embodiment one:

[0025] Please refer to Figs. 1-5 The buffering protection structure of the automobile hatch door of the present application comprises a door panel 1, and a hatch door 2 is fixed to the rear end face of the door panel 1 through screws.

[0026] The rear end of the door panel 1 is provided with a buffering assembly 3, and the inner rear end face of the hatch door 2 is provided with a reinforcing assembly 4. The buffering assembly 3 comprises an installation box 31 provided at the rear end of the door panel 1, which provides a platform for installing other components. The inner side face of the installation box 31 is in sliding connection with a pressing plate 32, the front end face of the pressing plate 32 is adhesively installed with a gasket 33, and the inner rear end face of the installation box 31 is provided with a damping spring 34, the front end of which is in elastic connection with the pressing plate 32.

[0027] The inner rear end face of the installation box 31 is adhesively installed with an air bag 35, which is deformed under pressure and thus buffers and absorbs the collision energy. The front end face of the gasket 33 is uniformly provided with wave patterns, which effectively enhance the friction force at the contact position between the gasket 33 and the rear end face of the door panel 1.

[0028] The working principle of the buffer protection structure of the automobile hatch according to the embodiment 1 is as follows:

[0029] When the collision occurs, the door plate 1 is concave, at this time, the concave part of the door plate 1 is in contact with the pressing plate 32 and the gasket 33, and the pressing plate 32 is pressed to the damping spring 34 and the air bag 35, the damping spring 34 is compressed and the collision energy is buffered and offset, and the air bag 35 is deformed under pressure and the collision energy is buffered and absorbed, thereby effectively reducing the intensity of the collision, so that the damping spring 34 is compressed and the air bag 35 is deformed under pressure to buffer and offset the collision energy, thereby effectively reducing the intensity of the collision, greatly reducing the damage of the door plate 1 and the hatch 2.

[0030] Embodiment two:

[0031] Please refer to Figs. 1-5 Compared with the embodiment one, the buffer protection structure of the automobile hatch further comprises: the reinforcing assembly 4 comprises a fixed plate 41 which is bolted to the middle end of the inner rear end face of the hatch 2, the front end face of the fixed plate 41 is bolted to the rear end of the mounting box 31, the fixed plate 41 provides a platform for mounting other components, the bottom of the fixed plate 41 is fixed with a support plate 42 through screws, the inner rear end face of the support plate 42 is welded with a top rod 43 at the middle end, the inner rear end face of the support plate 42 is oppositely provided with an inclined rod 44, and the support plate 42 supports the concave part of the door plate 1 under the cooperation of the top rod 43 and the inclined rod 44.

[0032] The left and right sides of the fixed plate 41 are respectively welded with reinforcing strips 45, the left reinforcing strip 45 of the fixed plate 41 is fixed with a reinforcing block 46 through screws, the outer side faces of the support plate 42, the reinforcing strips 45 and the reinforcing block 46 are coated with rust-proof coatings, so as to avoid the support plate 42, the reinforcing strips 45 and the reinforcing block 46 from being corroded by water vapor and affecting the working effect of the components, and the included angle between the inclined rod 44 and the inner rear end face of the support plate 42 is 60 degrees, which is helpful to enhance the supporting effect of the support plate 42 on the door plate 1.

[0033] In the embodiment,

[0034] When the concave part of the door plate 1 is in contact with the support plate 42, the support plate 42 supports the concave part of the door plate 1 under the cooperation of the top rod 43 and the inclined rod 44, so as to prevent the concave part of the door plate 1 from being further deepened to cause injuries to the passengers in the vehicle, and the reinforcing strips 45 and the reinforcing block 46 can effectively enhance the stability of the hatch 2 as a whole, so that the support plate 42 with the advantages of good stability and strong bearing capacity is used to support the door plate 1, the deformation of the door plate 1 is effectively reduced, the deformed door plate 1 does not cause injuries to the passengers in the vehicle, and the stability of the hatch 2 as a whole is effectively enhanced by the reinforcing strips 45 and the reinforcing block 46.

[0035] The utility model discloses an improved buffering protection structure of automobile hatch, buffering assembly 3 is arranged at the rear end of door plate 1, the air bag 35 is compressed and deformed to buffer and absorb the collision energy, so that the damping spring 34 is compressed and the air bag 35 is compressed and deformed to buffer and absorb the collision energy, and the intensity of collision is effectively reduced, and the damage of door plate 1 and hatch 2 is greatly reduced, the reinforcing assembly 4 is arranged in the middle end of the rear end face of hatch 2, the concave part of door plate 1 is supported through the cooperation of support plate 42, top rod 43 and inclined rod 44, so that the support plate 42 arc structure has the advantages of good stability and strong bearing force, and door plate 1 is supported, the deformation of door plate 1 is effectively reduced, and the deformation of door plate 1 is avoided to cause the injury of the person in the car, and the stability of hatch 2 is effectively enhanced through the reinforcing strip 45 and the reinforcing block 46.

[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model, and the standard parts used in the utility model can be purchased in the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolt rivet, welding and the like in the prior art, and the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0037] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A buffer protection structure of a car hatch door, comprising a door plate (1), the rear end face of the door plate (1) is fixed with a hatch door (2) through screws; characterized in that It also comprises a buffer assembly (3), the rear end of the door plate (1) is provided with a buffer assembly (3); an enhanced assembly (4), the inner rear end face of the hatch door (2) is provided with an enhanced assembly (4); The buffer assembly (3) comprises: a mounting box (31), the rear end of the door plate (1) is provided with a mounting box (31); a pressing plate (32), the inner side face of the mounting box (31) is slidably connected with a pressing plate (32); a gasket (33), the front end face of the pressing plate (32) is adhesively mounted with a gasket (33); a damping spring (34), the inner rear end face of the mounting box (31) is provided with a damping spring (34), the front end of the damping spring (34) is elastically connected with the pressing plate (32); an air bag (35), the inner rear end face of the mounting box (31) is adhesively mounted with an air bag (35).

2. The shock protection structure for a hatch of an automobile according to claim 1, characterized in that: The enhanced assembly (4) comprises: a fixed plate (41), the inner rear end face of the hatch door (2) is bolted with a fixed plate (41), the front end face of the fixed plate (41) is bolted with the rear end of the mounting box (31); a support plate (42), the bottom of the fixed plate (41) is fixed with a support plate (42) through screws.

3. The shock protection structure for a hatch of an automobile according to claim 2, characterized in that: The enhanced assembly (4) further comprises: a top rod (43), the inner rear end face of the support plate (42) is welded with a top rod (43); an inclined rod (44), the inner rear end face of the support plate (42) is oppositely provided with an inclined rod (44).

4. The shock protection structure for a hatch of an automobile according to claim 3, characterized in that: The enhanced assembly (4) further comprises: a reinforcing strip (45), the left and right sides of the fixed plate (41) are respectively welded with a reinforcing strip (45); an enhanced block (46), the left reinforcing strip (45) of the fixed plate (41) is fixed with an enhanced block (46) through screws.

5. The bumper structure for a hatch of an automobile according to claim 4, characterized in that: The front end face of the gasket (33) is uniformly provided with wave lines.

6. The bumper structure for a hatch of an automobile according to claim 5, wherein: The outer side face of the support plate (42), the reinforcing strip (45) and the enhanced block (46) is coated with an anti-rust coating.

7. The bumper structure for a hatch of an automobile according to claim 6, wherein: The angle between the inclined rod (44) and the inner rear end face of the support plate (42) is sixty degrees.