Plug-in type seamless aluminum alloy pipe

Abstract

The utility model belongs to the technical field of seamless aluminum alloy pipes, and particularly relates to an insertion type seamless aluminum alloy pipe which comprises a pipe body, a connecting pipe is inserted in the pipe body, a protruding block is fixedly connected to the outer side of the pipe body, a limiting sleeve is rotationally connected to the outer side of the protruding block, a supporting plate is fixedly connected to the interior of the connecting pipe, and the supporting plate is fixedly connected to the outer side of the pipe body. A sleeve is fixedly connected into the supporting plate, a sliding rod is slidably connected into the sleeve, a spring is arranged in the sleeve, and the end, away from the sleeve, of the sliding rod is fixedly connected with a sealing ring. According to the ingenious design, components such as the protruding block and the limiting sleeve are arranged. The connecting pipe and the pipe body can be smoothly connected in an inserted mode, and the protruding block plays a preliminary positioning role during insertion. The limiting sleeve is rotated subsequently, and the threads of the limiting sleeve are matched with the connecting pipe to move, so that the limiting sleeve and the connecting pipe are tightly attached. By means of the innovative connection mode, the stability can be greatly improved, and the problem that the seamless aluminum alloy pipe is prone to loosening after being connected in an inserted mode is effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to seamless aluminium alloy pipe technical field, concretely is a kind of plug-in type seamless aluminium alloy pipe. BACKGROUND

[0002] Seamless aluminium alloy pipe is a kind of seamless pipe material manufactured using special process, has many excellent characteristics.From material, aluminium alloy material makes it have the advantage of light weight, compared with some traditional metal pipe material, under the same specification, weight is greatly reduced, it is convenient to carry and install.In strength aspect, it has good performance, can withstand certain pressure and stress, is suitable for a variety of engineering structures.In manufacturing process, it is made into seamless structure by extrusion and other advanced technologies, there is no welding seam inside, this makes its overall performance more uniform, stress concentration and other problems are not prone to, to improve the reliability and durability of pipe material.In application field, seamless aluminium alloy pipe is widely used in aerospace field, meets the light weight high strength requirement of aircraft to material;In architectural decoration field, its beautiful appearance and good corrosion resistance make it become the ideal material for making door and window, curtain wall etc.In automobile manufacturing industry, it also helps the lightweight design of automobile, improves fuel economy etc.

[0003] And the connection stability of seamless aluminium alloy pipe is poor after plugging, and the connected pipe is prone to loosen after connection.Aluminium alloy pipe itself is relatively soft, this feature makes the tightness of cooperation between pipe fittings difficult to achieve ideal state during plugging process.Moreover, in subsequent use process, affected by various external force factors, such as vibration, pressure change etc., the connection structure of plugging part is prone to change.For example, in some dynamic working environment, continuous slight vibration can gradually loosen the connection of plugging part.In addition, if the process of installation is slightly deviated, it can also aggravate the unstable connection. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of plug-in type seamless aluminium alloy pipe, solve the problem that seamless aluminium alloy pipe is not stable after plugging, prone to the phenomenon that connected pipe is loosened after connection.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of plug-in type seamless aluminium alloy pipe, the inside of the pipe body is plugged with connecting pipe, the outer side of the pipe body is fixedly connected with lug, the outer side of the lug is rotatably connected with limit sleeve, the inside of the connecting pipe is fixedly connected with support plate, the inside of the support plate is fixedly connected with sleeve, the inside of the sleeve is slidably connected with slide rod, the inside of the sleeve is provided with spring, the end of the slide rod away from the sleeve is fixedly connected with sealing ring.

[0006] Preferably, the limiting sleeve is rotationally connected with the pipe body, and the limiting sleeve is threadedly connected with the connecting pipe.

[0007] Preferably, an annular groove is arranged in the limiting sleeve, and the annular groove is rotationally connected with the protrusion.

[0008] Preferably, a limiting ring is fixedly connected in the sleeve, and the limiting ring is slidingly connected with the sliding rod.

[0009] Preferably, one end of the spring is in contact with the sliding rod, and the other end of the spring is in contact with the sleeve.

[0010] Preferably, the sealing ring is in contact with the connecting pipe, and the sealing ring is slidingly connected with the pipe body.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. The utility model discloses a novel seamless aluminum alloy pipe connecting structure, which is characterized by comprising a pipe body, a connecting pipe and a sealing ring.

[0013] 2. The utility model discloses a novel seamless aluminum alloy pipe connecting structure, which is characterized by comprising a pipe body, a connecting pipe and a sealing ring. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall structure perspective drawing of the utility model;

[0015] Figure 2 It is the overall structure perspective drawing of the utility model; Figure 1 It is the overall structure perspective drawing of the utility model;

[0016] Figure 3 It is the overall structure perspective drawing of the utility model; Figure 1 It is the overall structure perspective drawing of the utility model;

[0017] Figure 4 It is the overall structure perspective drawing of the utility model; Figure 2 It is the overall structure perspective drawing of the utility model; It is the overall structure perspective drawing of the utility model;

[0018] Fig. 1, pipe body; 2, connecting pipe; 3, protrusion; 31, limiting sleeve; 32, ring groove; 4, support plate; 41, sleeve; 42, sliding rod; 43, limiting ring; 44, spring; 45, sealing ring. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to Figures 1-4 A kind of plug-in seamless aluminum alloy pipe, including pipe body 1, connecting pipe 2 is inserted into the inside of pipe body 1, protrusion 3 is fixedly connected to the outside of pipe body 1, limiting sleeve 31 is rotatably connected to the outside of protrusion 3, limiting sleeve 31 is rotatably connected with pipe body 1, limiting sleeve 31 is connected with connecting pipe 2 by screw thread, by the design of limiting sleeve 31, connecting pipe 2 and pipe body 1 can be kept stable by insertion, ring groove 32 is formed in the inside of limiting sleeve 31, ring groove 32 is rotatably connected with protrusion 3, by the design of ring groove 32, limiting sleeve 31 can be limited.

[0021] Please refer to Figures 2-4 Support plate 4 is fixedly connected in the inside of connecting pipe 2, sleeve 41 is fixedly connected in the inside of support plate 4, sliding rod 42 is slidably connected in the inside of sleeve 41, limiting ring 43 is fixedly connected in the inside of sleeve 41, limiting ring 43 is slidably connected with sliding rod 42, by the design of limiting ring 43, sliding rod 42 can be limited, spring 44 is arranged in the inside of sleeve 41, one end of spring 44 is in contact with sliding rod 42.

[0022] Please refer to Figures 2-4 The other end of spring 44 is in contact with sleeve 41, by the design of spring 44, sealing ring 45 can be attached to connecting pipe 2, sealing ring 45 is fixedly connected to the end of sliding rod 42 away from sleeve 41, sealing ring 45 is in contact with connecting pipe 2, sealing ring 45 is slidably connected with pipe body 1, by the design of sealing ring 45, the sealing property between connecting pipe 2 and pipe body 1 can be increased.

[0023] The utility model discloses specific implementation process as follows: when using, through making the connecting pipe 2 with the pipe body 1 and insert, make the connecting pipe 2 drive sealing ring 45 remove, make sealing ring 45 drive slide bar 42 slide in the sleeve 41, make slide bar 42 extrude spring 44, can drive slide bar 42 remove through the elastic force of spring 44, make slide bar 42 drive sealing ring 45 remove, make sealing ring 45 with the connecting pipe 2 adhere, to effectively increase the sealing property between connecting pipe 2 and pipe body 1,

[0024] Then hand the connecting pipe 2, rotate the limiting sleeve 31, make the limiting sleeve 31 with the connecting pipe 2 and thread movement, thereby make the limiting sleeve 31 with the connecting pipe 2 and thread movement, thereby make the connecting pipe 2 with the pipe body 1 and insert keep stable.

[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A plug-in type seamless aluminum alloy tube, comprising a tube body (1), characterized in that: A connecting pipe (2) is inserted inside the tube body (1). A protrusion (3) is fixedly connected to the outside of the tube body (1). A limit sleeve (31) is rotatably connected to the outside of the protrusion (3). A support plate (4) is fixedly connected inside the connecting pipe (2). A sleeve (41) is fixedly connected inside the support plate (4). A slide rod (42) is slidably connected inside the sleeve (41). A spring (44) is provided inside the sleeve (41). A sealing ring (45) is fixedly connected to the end of the slide rod (42) away from the sleeve (41).

2. The plug-in type seamless aluminum alloy tube according to claim 1, characterized in that: The limiting sleeve (31) is rotatably connected to the pipe body (1), and the limiting sleeve (31) is threadedly connected to the connecting pipe (2).

3. The plug-in type seamless aluminum alloy tube according to claim 1, characterized in that: The limiting sleeve (31) has an annular groove (32) inside, and the annular groove (32) is rotatably connected to the protrusion (3).

4. The plug-in type seamless aluminum alloy tube according to claim 1, characterized in that: The sleeve (41) is fixedly connected to a limiting ring (43), and the limiting ring (43) is slidably connected to the slide rod (42).

5. A plug-in type seamless aluminum alloy tube according to claim 1, characterized in that: One end of the spring (44) is in contact with the slide bar (42), and the other end of the spring (44) is in contact with the sleeve (41).

6. The plug-in type seamless aluminum alloy tube according to claim 1, characterized in that: The sealing ring (45) contacts the connecting pipe (2), and the sealing ring (45) is slidably connected to the pipe body (1).

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