Laminated pipe, anti-collision beam and protective fence

By setting three planar outer plates outside the inner tube of the car anti-collision beam, a composite tube structure with strong anti-torsion ability is formed, which solves the torsion problem of the anti-collision beam under oblique impact and improves reliability and safety.

CN223807020UActive Publication Date: 2026-01-16HANGZHOU HONGZHONG ENERGY TECHNOLOGY CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520776878.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2026-01-16
Estimated Expiration
2035-04-23

AI Technical Summary

Technical Problem

Existing automotive crash beams are prone to twisting when struck by objects from above or below at an angle, resulting in poor reliability.

Method used

The structure adopts a composite tube structure, with three planar outer plates outside the inner tube. The outer plates are distributed in a triangular shape and connected by arc connecting plates to form a collision beam with strong torsional resistance.

Benefits of technology

The anti-torsion beam has improved its resistance to twisting, reducing the probability of twisting due to impact and preventing sharp points from causing injury to users.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223807020U_ABST
    Figure CN223807020U_ABST
Patent Text Reader

Abstract

The utility model discloses a laminated pipe which comprises an inner pipe body, the inner pipe body comprises a round inner pipe body, a first outer plate body, a second outer plate body and a third outer plate body, and the first outer plate body, the second outer plate body and the third outer plate body are respectively fixed with the outer wall of the inner pipe body. The first outer plate body, the second outer plate body and the third outer plate body are distributed in a triangular shape, a first arc connecting plate is arranged between the first outer plate body and the second outer plate body, a second arc connecting plate is arranged between the second outer plate body and the third outer plate body, and a third arc connecting plate is arranged between the third outer plate body and the first outer plate body. The utility model further discloses an automobile anti-collision beam using the composite pipe and a protective fence.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of protective appliance especially relates to a kind of superposed pipe and crash beam and guardrail. BACKGROUND

[0002] Automobile crash beam is a very important kind of accessory on vehicle, the structure of the crash beam used in current automobile is as shown in the patent announcement document CN216139952U, the main architecture of the crash beam shown in this structure is a square tube, several parallel reinforcing sheets are arranged in the square tube, and the reinforcing sheet inside plays the role of enhancing the resistance to distortion for the square tube, when the crash beam of this structure is impacted by oblique upper or oblique lower article, the entire crash beam is prone to distortion, and the reliability is relatively poor. SUMMARY

[0003] The utility model provides a kind of superposed pipe to solve above-mentioned problem.

[0004] The technical scheme adopted by the utility model is as follows:

[0005] A kind of superposed pipe, including inner tube body, the inner tube body is circular inner tube body, first outer plate body, second outer plate body and third outer plate body, the first outer plate body, second outer plate body and third outer plate body are fixed together with the outer wall of the inner tube body, and first outer plate body, second outer plate body and third outer plate body are triangularly distributed, first circular arc connecting plate is arranged between the first outer plate body and the second outer plate body, second circular arc connecting plate is arranged between the second outer plate body and the third outer plate body, and third circular arc connecting plate is arranged between the third outer plate body and the first outer plate body.

[0006] In this superposed pipe, the inner tube body is circular inner tube body, first outer plate body, second outer plate body and third outer plate body are arranged on the outer wall of the inner tube body, first outer plate body, second outer plate body and third outer plate body are triangularly distributed, first outer plate body, second outer plate body and third outer plate body can withstand impact in each direction, after any one outer plate body is impacted, the impact force received will be transmitted to the inner tube body, the inner tube body is circular tube, and the impact stress received will be dispersed to each position, so that the superposed pipe is fixed by arranging three flat outer plate bodies outside the circular inner tube body, so that the entire superposed pipe has relatively strong anti-distortion capability, and the probability of distortion after being impacted is reduced.

[0007] Meanwhile, in this superposed pipe, the junctions of several outer plate bodies are connected by circular arc connecting plates, so that there is no sharp place on the outer tube body spliced by first outer plate body, second outer plate body and third outer plate body, to avoid that the sharp place on the outer tube body causes harm to user.

[0008] In conclusion, the combined pipe has relatively strong anti-torsion ability, and the probability of torsion after impact is reduced, so when the combined pipe is used as the anti-collision beam of the automobile, the probability of torsion of the anti-collision beam is relatively low when the anti-collision beam is impacted by the object from the oblique upper side or the oblique lower side.

[0009] Optionally, the thicknesses of the first outer plate body, the second outer plate body and the third outer plate body are equal.

[0010] Optionally, the first outer plate body, the second outer plate body and the third outer plate body are all plate-shaped, and the first outer plate body, the second outer plate body and the third outer plate body are in tangential state with the outer wall of the inner pipe body.

[0011] Optionally, the thicknesses of the first circular-arc connecting plate, the second circular-arc connecting plate and the third circular-arc connecting plate are equal.

[0012] Optionally, the first outer plate body, the second outer plate body and the third outer plate body are in equilateral triangle distribution.

[0013] Optionally, the radii of the first circular-arc connecting plate, the second circular-arc connecting plate and the third circular-arc connecting plate are equal.

[0014] The first outer plate body, the second outer plate body and the third outer plate body are in equilateral triangle distribution, the thicknesses of the first outer plate body, the second outer plate body and the third outer plate body are equal, and the radii of the first circular-arc connecting plate, the second circular-arc connecting plate and the third circular-arc connecting plate are equal, so that the whole outer pipe body is in equilateral triangle shape, and the masses at each end surface of the whole outer pipe body are equal, so that any one of the three end surfaces of the outer pipe body can be used as the mounting end surface, and the mounting adaptability is stronger.

[0015] An anti-collision beam comprises the combined pipe as described above.

[0016] A protective fence comprises the combined pipe as described above.

[0017] The traditional protective fence adopts the combination of the pipe pile and the sheet steel plate, wherein the pipe pile is punched into the ground, and the sheet steel plate is fixed on the pipe pile, in the protective fence, the combined pipe is used to replace the sheet steel plate, and the combined pipe has stronger anti-impact ability than the sheet steel plate.

[0018] The utility model discloses a pillow with mobile phone clamping structure, and travelers who sit on the rear seat can watch the mobile phone picture on the pillow in a reclining state. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed in the embodiments will be briefly introduced as follows. Obviously, the accompanying drawings in the following description only represent some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings.

[0020] Figure 1 is a structural schematic diagram of the superposed pipe.

[0021] In the drawings, the reference signs are as follows: 1, inner pipe body; 201, first outer plate body; 202, second outer plate body; 203, third outer plate body; 301, first circular arc connecting plate; 302, second circular arc connecting plate; 303, third circular arc connecting plate. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0023] In the following description, a large number of specific details are set forth in order to facilitate a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0024] In the description of the present application, it should be noted that the terms used herein are only for describing the specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For the convenience of description, the sizes of the parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those skilled in the art can not be discussed in detail, but in appropriate cases, the technology, method and equipment should be regarded as part of the authorized description. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0025] Embodiment 1

[0026] As shown in the accompanying Figure 1As shown, a kind of laminated pipe, including inner tube body 1, inner tube body 1 is circular inner tube body 1, first outer plate body 201, second outer plate body 202 and third outer plate body 203, first outer plate body 201, second outer plate body 202 and third outer plate body 203 are fixed together with the outer wall of inner tube body 1 respectively, and first outer plate body 201, second outer plate body 202 and third outer plate body 203 are triangularly distributed, first outer plate body 201 and second outer plate body 202 are provided with first circular arc connecting plate 301, second outer plate body 202 and third outer plate body 203 are provided with second circular arc connecting plate 302, and third outer plate body 203 and first outer plate body 201 are provided with third circular arc connecting plate 303.

[0027] In the laminated pipe, the inner tube body 1 is a circular inner tube body 1, the first outer plate body 201, the second outer plate body 202 and the third outer plate body 203 are arranged on the outer wall of the inner tube body 1, the first outer plate body 201, the second outer plate body 202 and the third outer plate body 203 are triangularly distributed, the first outer plate body 201, the second outer plate body 202 and the third outer plate body 203 can withstand impact in all directions, and the impact force received by any one of the outer plate bodies will be transmitted to the inner tube body 1. The inner tube body 1 is in the form of a circular tube, and the impact stress is dispersed to various positions, so that the laminated pipe has relatively strong anti-twisting ability, and the probability of twisting after being impacted is reduced.

[0028] Meanwhile, in the laminated pipe, the joints of the several outer plate bodies are connected by circular arc connecting plates, so that there is no sharp edge on the outer tube body formed by the first outer plate body 201, the second outer plate body 202 and the third outer plate body 203, avoiding the sharp edge on the outer tube body from causing harm to the user.

[0029] In summary, the laminated pipe has relatively strong anti-twisting ability by arranging three flat outer plate bodies outside the circular inner tube body 1, and the probability of twisting after being impacted is reduced, so that when the laminated pipe is used as a crash beam of a vehicle, the probability of the crash beam twisting is relatively low when the crash beam is impacted by an object from an oblique upper or lower direction.

[0030] The thickness of the first outer plate body 201, the second outer plate body 202 and the third outer plate body 203 is equal.

[0031] The first outer plate body 201, the second outer plate body 202 and the third outer plate body 203 are all in the form of plates, and the first outer plate body 201, the second outer plate body 202 and the third outer plate body 203 are in tangential state with the outer wall of the inner tube body 1.

[0032] The thicknesses of the first, second and third arc connecting plates 301, 302 and 303 are equal.

[0033] The first, second and third outer plate bodies 201, 202 and 203 are in equilateral triangle distribution.

[0034] The first, second and third arc connecting plates 301, 302 and 303 have equal arc degrees.

[0035] The first, second and third outer plate bodies 201, 202 and 203 are in equilateral triangle distribution, the thicknesses of the first, second and third outer plate bodies 201, 202 and 203 are equal, and the first, second and third arc connecting plates 301, 302 and 303 have equal arc degrees, so that the entire outer pipe body is in substantially equilateral triangle shape, and the quality at each end surface of the entire outer pipe body is equal, so that any one of the three end surfaces of the outer pipe body can be used as a mounting end surface, so that the installation adaptability is stronger.

[0036] Embodiment 2

[0037] An automobile anti-collision beam comprises the laminated pipe shown in Embodiment 1.

[0038] Embodiment 3

[0039] A road guardrail comprises the laminated pipe shown in Embodiment 1.

[0040] The conventional guardrail adopts the combination of a pipe pile and a sheet steel plate, wherein the pipe pile is driven into the ground, and the sheet steel plate is fixed on the pipe pile. In the present guardrail, the laminated pipe is used to replace the sheet steel plate, and the laminated pipe has stronger impact resistance than the sheet steel plate.

[0041] The above-described embodiments only express some embodiments of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the scope of the patent of the present application. It should be noted that for those skilled in the art, the technical solutions recorded in the above-described embodiments can still be modified, or some technical features can be replaced by equivalents. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A laminated tube characterized by, The inner tube body is a circular inner tube body, a first outer plate body, a second outer plate body and a third outer plate body are fixed with the outer wall of the inner tube body, the first outer plate body, the second outer plate body and the third outer plate body are in triangular distribution, a first circular arc connecting plate is arranged between the first outer plate body and the second outer plate body, a second circular arc connecting plate is arranged between the second outer plate body and the third outer plate body, and a third circular arc connecting plate is arranged between the third outer plate body and the first outer plate body.

2. A laminate tube according to claim 1, wherein The thicknesses of the first outer plate body, the second outer plate body and the third outer plate body are equal.

3. The laminated tube of claim 1 wherein, The first outer plate body, the second outer plate body and the third outer plate body are all in the state of tangency with the outer wall of the inner tube body.

4. The laminate tube of claim 1 wherein, The thicknesses of the first circular arc connecting plate, the second circular arc connecting plate and the third circular arc connecting plate are equal.

5. The laminated tube of claim 1 wherein, The first outer plate body, the second outer plate body and the third outer plate body are in equilateral triangular distribution.

6. A laminate tube according to claim 5, wherein The radii of the first circular arc connecting plate, the second circular arc connecting plate and the third circular arc connecting plate are equal.

7. A crash beam, characterized in that The laminated pipe comprises the laminated pipe according to any one of claims 1-6.

8. A barrier comprising: The laminated pipe comprises the laminated pipe according to any one of claims 1-6.

Citation Information

Patent Citations

  • Anti-collision beam and automobile with same

    CN216139952U