阅读说明：本技术 一种防震汽车波纹管 (Shockproof automobile corrugated pipe ) 是由 陈炳泉 于 2018-08-10 设计创作，主要内容包括：本发明涉及汽车配件技术领域,且公开了一种防震汽车波纹管,包括波纹管本体,所述波纹管本体的上下两端均固定套装有法兰,两个所述法兰上均设有固定孔,且两个法兰的侧面均固定安装有两个对称的连接板,四个所述连接板上均开设有螺纹孔,两个所述法兰之间通过两个固定杆固定,两个所述固定杆的上下两端均螺纹套装在螺纹孔内,所述固定杆伸出螺纹孔的部分螺纹套接有螺母,所述波纹管本体的外侧固定套装有保护套。该防震汽车波纹管,通过减震弹簧和保护套的配合使用,吸收热胀冷缩时产生的横向震动,降低了热胀冷缩产生的二次应力对波纹管的损害,延长了波纹管的使用寿命,提高了波纹管的工作效率。(The invention relates to the technical field of automobile accessories and discloses a shockproof automobile corrugated pipe which comprises a corrugated pipe body, wherein flanges are fixedly sleeved at the upper end and the lower end of the corrugated pipe body, fixing holes are formed in the two flanges, two symmetrical connecting plates are fixedly installed on the side faces of the two flanges, threaded holes are formed in the four connecting plates, the two flanges are fixed through two fixing rods, the upper end and the lower end of each fixing rod are sleeved in the threaded hole in a threaded manner, a nut is sleeved on a part of the fixing rod extending out of the threaded hole in a threaded manner, and a protective sleeve is fixedly sleeved on the outer side of the corrugated pipe body. This car bellows takes precautions against earthquakes uses through the cooperation of damping spring and protective sheath, and the horizontal vibrations that produce when absorbing expend with heat and contract with cold have reduced the secondary stress that expend with heat and contract with cold and to the harm of bellows, have prolonged the life of bellows, have improved the work efficiency of bellows.)

1. The utility model provides a car bellows takes precautions against earthquakes, includes bellows body (1), its characterized in that: the corrugated pipe is characterized in that flanges (2) are fixedly sleeved at the upper end and the lower end of the corrugated pipe body (1), fixing holes (3) are formed in the two flanges (2), two symmetrical connecting plates (4) are fixedly installed on the side surfaces of the two flanges (2), threaded holes (5) are formed in the four connecting plates (4), the two flanges (2) are fixed through two fixing rods (6), the upper end and the lower end of each fixing rod (6) are sleeved in the threaded holes (5) in a threaded manner, nuts (7) are sleeved on partial threads of the fixing rods (6) extending out of the threaded holes (5), a protective sleeve (8) is fixedly sleeved on the outer side of the corrugated pipe body (1), a damping spring (9) is fixedly installed on the inner wall of the protective sleeve (8), and one end of the damping spring (9) is fixed on the inner wall of the protective sleeve (8, and the other end of damping spring (9) is fixed on the outer wall of bellows body (1), the outside movable sleeve of protective sheath (8) is equipped with expanding spring (10), the one end of expanding spring (10) and the bottom fixed connection who is located flange (2) at bellows body (1) top, and the other end of expanding spring (10) and the top fixed connection who is located flange (2) of bellows body (1) bottom, two the equal welding of one end that bellows body (1) was kept away from in flange (2) has solid fixed ring (11).

2. A shock resistant automotive bellows as claimed in claim 1, wherein: the corrugated pipe body (1) is a stainless steel corrugated pipe, and a heat insulation layer is arranged on the inner wall of the corrugated pipe body (1).

3. A shock resistant automotive bellows as claimed in claim 1, wherein: the number of the fixing holes (3) is eight, and the eight fixing holes (3) are symmetrically distributed by taking the central axis of the flange (2) as an axial center.

4. A shock resistant automotive bellows as claimed in claim 1, wherein: the fixing rod (6) is an elastic metal rod, and threads matched with the threads in the threaded hole (5) are arranged at the upper end and the lower end of the fixing rod (6).

5. A shock resistant automotive bellows as claimed in claim 1, wherein: the corrugated pipe is characterized in that the number of the damping springs (9) is eight, and every four damping springs (9) are vertically and uniformly distributed on the side face of the corrugated pipe body (1) in a group of two.

6. A shock resistant automotive bellows as claimed in claim 1, wherein: the outer side of the telescopic spring (10) is provided with radiating fins which are distributed on the telescopic spring (10) in a surrounding mode.

Technical Field

The invention relates to the technical field of automobile accessories, in particular to a shockproof automobile corrugated pipe.

Background

The corrugated pipe is a wave-like pipe with a regular shape, and the commonly used metal corrugated pipe comprises carbon steel, stainless steel, steel lining plastic, aluminum and the like, and is mainly used for non-concentric axial transmission with a small bending radius, irregular turning, stretching, thermal deformation absorption of a pipeline and the like, or connection between a pipeline and a pipeline or connection between the pipeline and equipment in occasions where fixed elbows are inconvenient to install.

When the corrugated pipe is applied to automobile accessories, the corrugated pipe is mainly a component for connecting an automobile engine and an exhaust pipe, the automobile engine can generate very high heat during working, the corrugated pipe can expand with heat and contract with cold at the moment, the common corrugated pipe cannot absorb the vibration generated when the corrugated pipe expands with heat and contracts with cold, the corrugated pipe is easily damaged, and the automobile cannot normally run.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the shockproof automobile corrugated pipe which has the advantages of shock resistance and the like, and solves the problem that the common automobile corrugated pipe cannot absorb shock generated during expansion with heat and contraction with cold.

(II) technical scheme

In order to achieve the shockproof purpose, the invention provides the following technical scheme: a shock-proof automobile corrugated pipe comprises a corrugated pipe body, wherein flanges are fixedly sleeved at the upper end and the lower end of the corrugated pipe body, fixing holes are formed in two flanges, two symmetrical connecting plates are fixedly installed on the side surfaces of the two flanges, threaded holes are formed in four connecting plates, the two flanges are fixed through two fixing rods, the upper end and the lower end of each fixing rod are sleeved in threaded holes in a threaded manner, nuts are sleeved on the parts, extending out of the threaded holes, of the fixing rods, protective sleeves are fixedly sleeved on the outer sides of the corrugated pipe body, shock-absorbing springs are fixedly installed on the inner walls of the protective sleeves, one ends of the shock-absorbing springs are fixed on the inner walls of the protective sleeves, the other ends of the shock-absorbing springs are fixed on the outer wall of the corrugated pipe body, telescopic springs are movably sleeved on the outer sides of the protective sleeves, and one, and the other end of the telescopic spring is fixedly connected with the top of the flange positioned at the bottom of the corrugated pipe body, and two fixing rings are welded at one ends, far away from the corrugated pipe body, of the flanges.

Preferably, the corrugated pipe body is a stainless steel corrugated pipe, and a heat insulation layer is arranged on the inner wall of the corrugated pipe body.

Preferably, the number of the fixing holes is eight, and the eight fixing holes are symmetrically distributed by taking the central axis of the flange as an axial center.

Preferably, the fixing rod is an elastic metal rod, and threads matched with the threads in the threaded hole are arranged at the upper end and the lower end of the fixing rod.

Preferably, the number of the damping springs is eight, and every four damping springs are vertically and uniformly distributed on the side face of the corrugated pipe body in a group of two.

Preferably, the outer side of the extension spring is provided with radiating fins which are distributed on the extension spring in a surrounding manner.

(III) advantageous effects

Compared with the prior art, the invention provides a shockproof automobile corrugated pipe which has the following beneficial effects:

1. this car bellows takes precautions against earthquakes uses through the cooperation of damping spring and protective sheath, and the horizontal vibrations that produce when absorbing expend with heat and contract with cold have reduced the secondary stress that expend with heat and contract with cold and to the harm of bellows, have prolonged the life of bellows, have improved the work efficiency of bellows.

2. This car bellows takes precautions against earthquakes uses through the cooperation between expanding spring and the connecting rod, and the vertical vibrations that produce when absorbing expend with heat and contract with cold have reduced vibrations to the damage of bellows, have avoided causing the unable normal operating's of car the condition because of the bellows damages.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a structural sectional view of the present invention.

In the figure: 1 bellows body, 2 flanges, 3 fixed orificess, 4 connecting plates, 5 screw holes, 6 connecting rods, 7 nuts, 8 protective sheaths, 9 damping springs, 10 expansion springs and 11 fixing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a shock-proof corrugated pipe for a vehicle comprises a corrugated pipe body 1, wherein the corrugated pipe body 1 is a stainless steel corrugated pipe, and a heat insulation layer is arranged on the inner wall of the corrugated pipe body 1, so that corrosion of heat to the corrugated pipe is reduced, bending fatigue strength and corrosion resistance of the corrugated pipe are improved, flanges 2 are fixedly sleeved at the upper end and the lower end of the corrugated pipe body 1, fixing holes 3 are formed in the two flanges 2, the fixing holes 3 are eight, the eight fixing holes 3 are symmetrically distributed by taking the central axis of the flange 2 as the axial center, so that the fixing stability is improved, the corrugated pipe falling off is avoided, the safety coefficient of the vehicle is improved, two symmetrical connecting plates 4 are fixedly arranged on the side surfaces of the two flanges 2, threaded holes 5 are formed in the four connecting plates 4, the two flanges 2 are fixed by two fixing rods 6, and, and the upper and lower both ends of the dead lever 6 have whorls that match with whorl in the screwed hole 5, make the dead lever 6 can better fix, create the prerequisite for the expansion of the telescopic spring 10, has raised the working efficiency, the upper and lower both ends of two dead levers 6 are all screwed-on in the screwed hole 5, the part screw thread that the dead lever 6 stretches out of the screwed hole 5 is cup jointed with the nut 7, the outside of the corrugated pipe body 1 is fixedly fitted with the protective sleeve 8, the inner wall of the protective sleeve 8 is fixedly equipped with the damping spring 9, absorb the horizontal shock produced while expending with heat and contracting cold, reduce the secondary stress produced while expending with heat and contracting cold and damage to the corrugated pipe, lengthen the service life of the corrugated pipe, has raised the working efficiency of the corrugated pipe, the damping spring 9 has eight, and every four of eight damping springs 9 are vertically and evenly distributed on the side of the corrugated pipe, the absorption efficiency is improved, the absorption range is expanded, one end of a damping spring 9 is fixed on the inner wall of a protective sleeve 8, the other end of the damping spring 9 is fixed on the outer wall of a corrugated pipe body 1, an extension spring 10 is movably sleeved on the outer side of the protective sleeve 8, longitudinal vibration generated during expansion and contraction is absorbed, the damage of the vibration to the corrugated pipe is reduced, and the condition that an automobile cannot normally run due to damage of the corrugated pipe is avoided, radiating fins are arranged on the outer side of the extension spring 10 and distributed on the extension spring 10 in a surrounding manner, so that heat can be rapidly distributed, the condition that the corrugated pipe is damaged due to overlong heat residual time is avoided, one end of the extension spring 10 is fixedly connected with the bottom of a flange 2 positioned at the top of the corrugated pipe body 1, and the other end of the extension spring 10 is fixedly connected with the top of the flange 2 positioned at, two flange 2 keep away from the one end of bellows body 1 and all weld fixed ring 11.

During operation, insert two solid fixed rings 11 respectively in the gas vent of engine and the air inlet of blast pipe, fix the bellows through fixed orifices 3 on two flanges 2, when the engine generates heat, bellows body 1 sends out the inflation and gives damping spring 9 and expanding spring 10 effort, and damping spring 9 offsets horizontal effort through the elasticity that the compression produced, and expanding spring 10 offsets vertical effort through the tensile pulling force that produces.

In conclusion, the shock-proof automobile corrugated pipe absorbs the transverse shock generated by expansion with heat and contraction with cold through the matching use of the shock-absorbing spring 9 and the protective sleeve 8, reduces the damage of the secondary stress generated by expansion with heat and contraction with cold to the corrugated pipe, prolongs the service life of the corrugated pipe and improves the working efficiency of the corrugated pipe; the longitudinal vibration generated during expansion with heat and contraction with cold is absorbed by the cooperation of the telescopic spring 10 and the connecting rod 6, so that the damage of the vibration to the corrugated pipe is reduced, and the condition that the automobile cannot normally run due to the damage of the corrugated pipe is avoided; the problem that the common automobile corrugated pipe cannot absorb vibration generated during expansion with heat and contraction with cold is solved.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.