External-force-impact-resistant composite stainless steel pipe

Abstract

The utility model relates to an external force impact resistant composite stainless steel pipe which comprises a steel pipe body, a protective sleeve is sleeved outside the steel pipe body in a clearance mode, an elastic supporting mechanism is arranged between the protective sleeve and the steel pipe body, and the elastic supporting mechanism enables the steel pipe body to be fixed in the middle of the protective sleeve and supports the inner side wall of the protective sleeve. A damping mechanism is arranged between the protection sleeve and the steel pipe body, the protection sleeve is arranged on the outer side of the steel pipe body in a sleeving mode through the structure and can be used for preventing external impact from directly impacting the steel pipe body, and the protection sleeve is arranged outside the steel pipe body in a clearance sleeving mode; the impact can be reduced in the process of being transmitted to the steel pipe body, so that the steel pipe body is protected, and in addition, the elastic supporting mechanism is used for further supporting the protective sleeve to further improve the impact resistance of the protective sleeve.

Description

TECHNICAL FIELD

[0001] The utility model relates to stainless steel pipe technical field, especially a kind of anti-impact composite stainless steel pipe. BACKGROUND

[0002] Stainless steel pipe is a kind of hollow long strip round steel, mainly widely used in petroleum, chemical industry, medical treatment, food, light industry, machinery and instrument etc.

[0003] The existing stainless steel pipe on the market generally has poor load resistance, and is prone to bending, deformation or even rupture under pressure or impact, which reduces safety and increases the difficulty of maintenance. INVENTION CONTENTS

[0004] The utility model provides a kind of anti-impact composite stainless steel pipe, solve the above problems existing in the prior art in use.

[0005] The technical scheme of the utility model is realized as follows: a kind of anti-impact composite stainless steel pipe, including steel pipe body, the steel pipe body outer gap is equipped with protective sleeve, elastic support mechanism is arranged between the protective sleeve and steel pipe body, the elastic support mechanism makes steel pipe body fixed in the middle of protective sleeve and forms support to the inner side wall of protective sleeve, damping mechanism is arranged between the protective sleeve and steel pipe body.

[0006] The utility model is further provided as follows: the elastic support mechanism includes two oppositely arranged support bridges, the support bridge is semicircular arch shape and its front and rear side walls are inclined surfaces, the steel pipe body is sleeved between the two support bridges, and the support bridge is arranged between the steel pipe body and the protective sleeve.

[0007] The utility model is further provided as follows: a bifurcated portion is fixedly provided on the support bridge, the bifurcated portion is semicircular arch shape and coaxially arranged with the support bridge, the bifurcated portion extends out from the side wall of the support bridge, the front and rear side walls of the bifurcated portion are inclined surfaces and the inclination directions thereof are opposite to that of the support bridge, and the end portion of the bifurcated portion away from the support bridge is used for abutting against the inner side wall of the protective sleeve.

[0008] The utility model is further provided as follows: the damping mechanism includes damping pad, the front and rear end portions of the damping pad are provided with cover surfaces, the support bridge and the bifurcated portion are arranged between the two cover surfaces, the damping pad is arranged between the support platform and the protective sleeve, and the upper end of the bifurcated portion abuts against the side wall of the damping pad facing the steel pipe body.

[0009] The utility model further sets up: steel pipe body is all provided with limit bulging ring on the front and back sides of support bridge, the end surface of support bridge is fixedly connected with fixed part towards steel pipe body, the fixed part is supported and arranged between two limit bulging rings.

[0010] The utility model further sets up: the protection sleeve includes left sleeve and right sleeve, left sleeve and right sleeve are all half circle arch structure, left sleeve and right sleeve are detachably connected through bolted connection.

[0011] The utility model further sets up: the inner side wall of protection sleeve is all provided with limit wall on the front and back sides of shock pad, the cover surface is supported between two limit walls, and chamfer is formed between the end face of two limit walls opposite to each other and the side face towards steel pipe body.

[0012] In conclusion, the utility model has the advantages of:

[0013] 1, the protection sleeve is set on the outside of steel pipe body, which can block the external impact directly impacting the steel pipe body, the protection sleeve gap is set on the outside of steel pipe body, when the protection sleeve is impacted, the impact is reduced when transmitted to the steel pipe body, thereby protecting the steel pipe body, and the elastic supporting mechanism is used for further supporting the protection sleeve to further improve the impact resistance of the protection sleeve.

[0014] 2, the front and rear end faces of support bridge are inclined surfaces, which are perpendicular to the axis of steel pipe body, can change the direction of the force generated by external impact on steel pipe body, and help to improve the impact resistance of the structure.

[0015] 3, the shock pad can further play a damping role.

[0016] 4, the limit bulging ring and the limit wall can be used to maintain the structural relationship between the support bridge, the steel pipe body and the protection sleeve.

[0017] 5, the support bridge and the protection sleeve are provided as half circle arch structure, which can facilitate the assembly between the support bridge, the protection sleeve and the steel pipe body. DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description can obtain other drawings according to the drawings without creative labor for the ordinary skilled in the art.

[0019] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 for Figure 1 A partial enlarged schematic diagram of point A in the middle;

[0021] Figure 3 This is a structural display diagram of the utility model without some supporting bridge and other structures.

[0022] Reference numerals in the figure: 1 steel pipe body, 11 limiting convex ring, 2 protective sleeve, 21 limiting wall, 22 chamfer, 3 supporting bridge, 31 bifurcation, 32 fixing part, 4 shock-absorbing pad, 41 cover surface. DETAILED DESCRIPTION

[0023] The following is a combination of the appended examples of the present invention Figures 1-3 , clearly and completely describes the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0024] Example:

[0025] like Figures 1 to 3 As shown, the utility model discloses a composite stainless steel pipe resistant to external force impact, including a steel pipe body 1, a protective sleeve 2 is provided in the outer gap of the steel pipe body 1, and an elastic support mechanism is provided between the protective sleeve 2 and the steel pipe body 1. The elastic support mechanism fixes the steel pipe body 1 in the middle of the protective sleeve 2 and supports the inner wall of the protective sleeve 2.

[0026] The elastic support mechanism specifically includes two relatively arranged support bridges 3. Both support bridges 3 are semicircular arches and their front and rear side walls are inclined surfaces. The two support bridges 3 can be combined into a ring and sleeved on the outside of the steel pipe body 1. In this structure, the support bridge 3 is arranged between the steel pipe body 1 and the protective sleeve 2, so that the steel pipe body 1 can be sleeved on the center of the protective sleeve 2.

[0027] Furthermore, a fork portion 31 is fixedly provided on the support bridge 3. The fork portion 31 is semicircular arch-shaped and is coaxially arranged with the support bridge 3. At the same time, the fork portion 31 extends from the side wall of the support bridge 3. In this structure, the front and rear side walls of the fork portion 31 are both inclined surfaces and the inclination direction is opposite to the inclination direction of the support bridge 3, and the end of the fork portion 31 away from the support bridge 3 is used to abut against the inner side wall of the protective sleeve 2. This structure can expand the support area of ​​the elastic support mechanism for the protective sleeve 2.

[0028] The damping mechanism is arranged between the protective sleeve 2 and the steel pipe body 1, and specifically comprises a damping pad 4 arranged between the support bridge 3 and the protective sleeve 2, and the damping pad 4 can be made of rubber material, which has a certain effect of absorbing vibration, and when the protective sleeve 2 is impacted by external force, the rubber material can be compressed within a certain range to cooperate with the protective sleeve 2 to achieve a damping effect, in the structure, each support bridge 3 is arranged with a damping pad 4, the front and rear ends of the damping pad 4 are provided with cover surfaces 41, and the support bridge 3 and the bifurcated part 31 are arranged between the two cover surfaces 41, and the upper end of the bifurcated part 31 abuts against the side wall of the damping pad 4 facing the steel pipe body 1.

[0029] The steel pipe body 1 is provided with limiting convex rings 11 on the front and rear sides of the support table, and the end surface of the support bridge 3 facing the steel pipe body 1 is fixedly connected with a fixed part 32, and the fixed part 32 is arranged between the two limiting convex rings 11, and in the structure, the fixed part 32 is used to fix the position of the support bridge 3 on the steel pipe body 1.

[0030] The protective sleeve 2 comprises a left sleeve and a right sleeve, both of which are semicircular arch structures, and the left sleeve and the right sleeve are detachably connected through bolting, and the inner side wall of the protective sleeve 2 is provided with limiting walls 21 on the front and rear sides of the damping pad 4, and in the structure, the cover surface 41 abuts between the two limiting walls 21, and the end faces of the two limiting walls 21 and the side faces facing the steel pipe body 1 are provided with chamfers 22. Through the structure, the limiting wall 21 can be used to fix the relative position between the protective sleeve 2 and the support bridge 3.

[0031] The assembly mode of the above structure is that the support bridge 3 and the damping pad 4 are installed on the left sleeve and the right sleeve respectively, and then the left sleeve and the right sleeve are installed on the steel pipe body 1, and the left sleeve and the right sleeve are fixedly connected through bolting, after installation, the protective sleeve is sleeved on the outer side of the steel pipe body 1 to block external impact from directly impacting the steel pipe body 1, and to protect the steel pipe body 1.

[0032] Meanwhile, it should be pointed out that the terms such as "front", "rear", "vertical", "horizontal" and the like indicated in the utility model indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the protection scope of the utility model.

[0033] The above only describes the preferred embodiments of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A composite type stainless steel pipe against external force impact, comprising a steel pipe body (1), characterized in that: The steel pipe body (1) is sleeved with a protective sleeve (2), an elastic supporting mechanism is arranged between the protective sleeve (2) and the steel pipe body (1), the elastic supporting mechanism fixes the steel pipe body (1) in the middle of the protective sleeve (2) and supports the inner side wall of the protective sleeve (2), and a damping mechanism is arranged between the protective sleeve (2) and the steel pipe body (1).

2. The anti-impact composite stainless steel pipe according to claim 1, characterized in that: The elastic supporting mechanism comprises two oppositely arranged supporting bridges (3), the supporting bridges (3) are semicircular arches, and the front and rear side walls of the supporting bridges (3) are inclined surfaces, the steel pipe body (1) is sleeved between the two supporting bridges (3), and the supporting bridges (3) abut against the steel pipe body (1) and the protective sleeve (2).

3. The anti-impact composite stainless steel pipe according to claim 2, characterized in that: The supporting bridge (3) is fixedly provided with a bifurcated part (31), the bifurcated part (31) is coaxially arranged with the supporting bridge (3) and is a semicircular arch, the bifurcated part (31) extends from the side wall of the supporting bridge (3), the front and rear side walls of the bifurcated part (31) are inclined surfaces and are inclined in opposite directions to the supporting bridge (3), and the end of the bifurcated part (31) away from the supporting bridge (3) abuts against the inner side wall of the protective sleeve (2).

4. The anti-impact composite stainless steel pipe according to claim 3, characterized in that: The damping mechanism comprises a damping pad (4), the front and rear ends of the damping pad (4) are provided with cover surfaces (41), the supporting bridge (3) and the bifurcated part (31) are arranged between the two cover surfaces (41), the damping pad (4) abuts against the supporting platform and the protective sleeve (2), and the upper end of the bifurcated part (31) abuts against the side wall of the damping pad (4) facing the steel pipe body (1).

5. The anti-impact composite stainless steel pipe according to claim 4, wherein: The steel pipe body (1) is provided with a limiting convex ring (11) on the front and rear sides of the supporting bridge (3), the end surface of the supporting bridge (3) facing the steel pipe body (1) is fixedly connected with a fixed part (32), and the fixed part (32) abuts between the two limiting convex rings (11).

6. The anti-impact composite stainless steel pipe according to claim 5, wherein: The protective sleeve (2) comprises a left sleeve and a right sleeve, the left sleeve and the right sleeve are semicircular arch structures, and the left sleeve and the right sleeve are detachably connected through bolting.

7. The anti-impact composite stainless steel pipe according to claim 6, characterized in that: The inner side wall of the protective sleeve (2) is provided with a limiting wall (21) on the front and rear sides of the damping pad (4), the cover surface (41) abuts between the two limiting walls (21), and chamfers (22) are arranged between the end faces of the two limiting walls (21) opposite to each other and the side faces facing the steel pipe body (1).

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