Adjustable cold-rolled steel pipe

Abstract

The utility model relates to an adjustable cold-rolled steel pipe, which belongs to the technical field of cold-rolled steel pipes, and comprises a plurality of steel pipe bodies, every two adjacent steel pipe bodies are connected through a fixing mechanism, two annular grooves are arranged outside the steel pipe bodies, and the steel pipe bodies are arranged in the annular grooves. The two annular grooves are formed in the two ends of the steel pipe body correspondingly, the fixing mechanism comprises two first arc-shaped plates and two fixing plates which are installed on the sides, close to each other, of the two first arc-shaped plates and used in cooperation with the annular grooves, and the two sides of the two first arc-shaped plates are fixedly connected through a connecting mechanism. In the using process, a plurality of steel pipe bodies can be assembled according to working conditions, so that the length of the cold-rolled steel pipe can be conveniently adjusted, the using universality of the cold-rolled steel pipe is improved, and the cold-rolled steel pipe is more convenient for people to use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cold-rolled steel pipe technical field, concretely relates to an adjustable cold-rolled steel pipe. BACKGROUND

[0002] Cold-rolled steel pipe is a kind of steel pipe that is formed by the cold working process of hot-rolled billet at room temperature, which is usually made of low-carbon steel or low-alloy steel, and has the characteristics of high strength, good tensile strength, good wear resistance, strong pressure resistance and good corrosion resistance.

[0003] The size of the existing cold-rolled steel pipe is cut according to the size requirement in the factory and then transported to the site for use during use. When the length of the steel pipe is not enough, the steel pipe is cut according to the working condition, and the steel pipe is connected by welding after cutting. This not only makes the operation troublesome, increases the workload of workers and reduces the installation efficiency, but also affects the installation process when the cutting mechanism and welding mechanism are forgotten during use, so it is inconvenient for people to use. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the above-mentioned problems and provides a kind of adjustable cold-rolled steel pipe with simple structure and reasonable design.

[0005] The utility model realizes the above-mentioned purposes by the following technical solutions:

[0006] An adjustable cold-rolled steel pipe includes a plurality of steel pipe bodies, each adjacent two steel pipe bodies are connected by a fixing mechanism, the steel pipe body is externally provided with two annular grooves, and the two annular grooves are located at both ends of the steel pipe body, the fixing mechanism includes two first arc-shaped plates, two fixing plates installed on the side of the two first arc-shaped plates and matched with the annular groove, and the two sides of the two first arc-shaped plates are fixed by a connecting mechanism.

[0007] As a further optimization scheme of the utility model, the connecting mechanism includes a mounting plate installed on one side of the two first arc-shaped plates, and two mounting holes are provided on the two mounting plates, and the two mounting holes are fixed by a first bolt and a first nut.

[0008] As a further optimization scheme of the utility model, a plurality of limiting holes are provided at one end of the steel pipe body, and a plurality of limiting rods matched with the limiting holes are installed at the other end of the steel pipe body.

[0009] As a further optimization scheme of the utility model, the outside of multiple steel pipe bodies is provided with a protection mechanism, the protection mechanism comprises multiple reinforcing rods, multiple reinforcing plates are installed between every two adjacent reinforcing rods, multiple limiting grooves for cooperating with the reinforcing rods are formed in the top and bottom of the first arc-shaped plate.

[0010] As a further optimization scheme of the utility model, the both ends of the protection mechanism are provided with a limiting mechanism, the limiting mechanism comprises two second arc-shaped plates, multiple clamping grooves formed in the top and bottom of the two second arc-shaped plates, and an arc-shaped block installed on the side of the two second arc-shaped plates close to each other and cooperating with the annular groove, and the multiple clamping grooves cooperate with the multiple reinforcing rods.

[0011] As a further optimization scheme of the utility model, the both sides of the two second arc-shaped plates are installed with a fixing block, a fixing hole is formed in the inside of the fixing block, and the corresponding two fixing holes are fixedly connected through a second bolt and a second nut.

[0012] The utility model discloses the beneficial effect lies in: the utility model discloses the process of using can be according to the working condition to the assembly of multiple steel pipe bodies, thereby being convenient for the length of cold-rolled steel pipe to adjust, improves the universality of cold-rolled steel pipe to use, and it is more convenient for people to use. ACCURACY OF DRAWINGS

[0013] Figure 1 It is the overall structure schematic diagram of the utility model;

[0014] Figure 2 It is the first split type structure schematic diagram of the utility model;

[0015] Figure 3 It is the second split type structure schematic diagram of the utility model;

[0016] Figure 4 It is the local structure schematic diagram of the fixed mechanism of the utility model;

[0017] Figure 5 It is the local structure schematic diagram of the limiting mechanism of the utility model;

[0018] Figure 6 It is the utility model Figure 3 The enlarged view of A in the utility model.

[0019] In the figure: 1. Steel pipe body; 2. Annular groove; 3. First curved plate; 4. Fixing plate; 5. Mounting plate; 6. Mounting hole; 7. First bolt; 8. First nut; 9. Limiting hole; 10. Limiting rod; 11. Reinforcing rod; 12. Reinforcing plate; 13. Limiting groove; 14. Second curved plate; 15. Slot; 16. Fixing hole; 17. Second bolt; 18. Second nut; 19. Fixing block; 20. Curved block. DETAILED DESCRIPTION

[0020] The present application is described in further detail below in conjunction with the accompanying drawings. It is necessary to point out that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technicians in this field can make some non-essential improvements and adjustments to the present application based on the above application content.

[0021] like Figures 1-6 As shown, an adjustable cold-rolled steel pipe includes a plurality of steel pipe bodies 1, each adjacent two steel pipe bodies 1 are connected by a fixing mechanism, two annular grooves 2 are provided on the outside of the steel pipe body 1, and the two annular grooves 2 are respectively located at both ends of the steel pipe body 1, the fixing mechanism includes two first curved plates 3, and two fixing plates 4 installed on the side close to each other of the two first curved plates 3 and used in conjunction with the annular grooves 2, both sides of the two first curved plates 3 are fixedly connected by a connecting mechanism, the connecting mechanism includes a mounting plate 5 installed on one side of the two first curved plates 3, and two mounting holes 6 provided on the two mounting plates 5, and the two corresponding mounting holes 6 are fixedly connected by a first bolt 7 and a first nut 8;

[0022] During use, when it is necessary to connect two adjacent steel pipe bodies 1, first, the two ends of the adjacent steel pipe bodies 1 are aligned together, and then the two first curved plates 3 are fitted to the connection of the two steel pipe bodies 1. At this time, the two fixing plates 4 installed on the first curved plates 3 will be respectively located in one of the annular grooves 2 on the two steel pipe bodies 1. Then, after the first bolt 7 is screwed into the two adjacent mounting holes 6, the first nut 8 is screwed onto the outside of the first bolt 7 so that the first nut 8 is tightly fitted with one of the first curved plates 3. The two first curved plates 3 are then fixed, thereby connecting the two steel pipe bodies 1.

[0023] One end of the steel pipe body 1 is provided with a plurality of limiting holes 9, and the other end of the steel pipe body 1 is provided with a plurality of limiting rods 10 for use with the limiting holes 9, one end of the limiting rods 10 is in a tapered structure;

[0024] When the two ends of the two steel pipe bodies 1 are brought together, in order to better fit the two steel pipe bodies 1 for easy installation of the fixing mechanism, when the two steel pipe bodies 1 are brought together, a plurality of limiting rods 10 can be inserted into a plurality of limiting holes 9, and after the fixing mechanism is installed, the two steel pipe bodies 1 installed together can also be prevented from rotating, thereby improving the stability of the installation;

[0025] The outer part of the plurality of steel pipe bodies 1 is provided with a protection mechanism, which comprises a plurality of reinforcing rods 11, a plurality of reinforcing plates 12 are installed between each adjacent two reinforcing rods 11, a plurality of limiting grooves 13 are formed in the top and bottom of the first arc-shaped plate 3 for cooperation with the reinforcing rods 11, and one side of the plurality of reinforcing rods 11 and one side of the plurality of reinforcing plates 12 are attached to the outer part of the steel pipe plate 1;

[0026] Before the two first arc-shaped plates 3 are attached, the plurality of reinforcing rods 11 and the plurality of reinforcing plates 12 are sleeved on the outer part of the steel pipe body 1, and when the two first arc-shaped plates 3 are attached, one end of the plurality of reinforcing rods 11 will be located in the plurality of limiting grooves 13 respectively, thereby fixing one end of the plurality of reinforcing rods 11. The above installation method can connect the plurality of steel pipe bodies 1 through a plurality of fixing mechanisms, and after the fixing mechanism is installed between each adjacent two steel pipe bodies 1, the plurality of reinforcing rods 11 will be fixed on the outer part of the steel pipe body 1, thereby improving the strength of the steel pipe body 1 during use and reducing the deformation of the steel pipe body 1 during use due to extrusion by other objects;

[0027] The two ends of the protection mechanism are provided with a limiting mechanism, which comprises two second arc-shaped plates 14, a plurality of clamping grooves 15 formed in the top and bottom of the two second arc-shaped plates 14, and an arc-shaped block 20 installed on the side of the two second arc-shaped plates 14 close to each other and cooperating with the annular groove 2. The plurality of clamping grooves 15 cooperate with the plurality of reinforcing rods 11, and the two second arc-shaped plates 14 are provided with a fixing block 19 on both sides, a fixing hole 16 is formed in the inner part of the fixing block 19, and the two fixing holes 16 are connected by a second bolt 17 and a second nut 18;

[0028] When the steel pipe bodies 1 are connected together by the fixing mechanisms in use, the ends of the steel pipe bodies 1 at the two ends are not provided with the fixing mechanisms, and the protection mechanism outside the steel pipe bodies 1 at the two ends cannot be fixed. The two arc-shaped plates 14 can be attached to the outside of the steel pipe bodies 1, and the arc-shaped blocks 20 installed on the arc-shaped plates 14 are located in the annular grooves 2 on the steel pipe bodies 1. The ends of the reinforcing rods 11 away from the fixing mechanisms are located in the clamping grooves 15. The second bolts 17 are screwed into the adjacent two fixing holes 16, and the second nuts 18 are locked. Thus, the other end of the protection mechanism is fixed. When only one steel pipe body 1 is used in use, the protection mechanism can be sleeved on the outside of the steel pipe body 1. The reinforcing rods 11 and the reinforcing plates 12 on one side are attached to the outside of the steel pipe body 1. The protection mechanism is fixed by the above method, and the two limiting mechanisms are fixed at the two ends of the steel pipe body 1.

[0029] The above embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application.

Claims

1. An adjustable cold-rolled steel tube comprising a plurality of steel tube bodies (1), characterized in that, Each two adjacent steel pipe bodies (1) are connected by a fixing mechanism, two annular grooves (2) are arranged on the outer side of the steel pipe body (1), and the two annular grooves (2) are located at two ends of the steel pipe body (1), the fixing mechanism comprises two first arc-shaped plates (3), two fixing plates (4) installed on the side of the two first arc-shaped plates (3) and matched with the annular groove (2), and the two sides of the two first arc-shaped plates (3) are fixedly connected by a connecting mechanism.

2. An adjustable cold-rolled steel tube according to claim 1, characterized in that: The connecting mechanism comprises a mounting plate (5) installed on one side of the two first arc-shaped plates (3), and two mounting holes (6) formed in the two mounting plates (5), and the two mounting holes (6) are fixedly connected by a first bolt (7) and a first nut (8).

3. An adjustable cold rolled steel tube as defined in claim 1, characterized in that: A plurality of limiting holes (9) are formed at one end of the steel pipe body (1), and a plurality of limiting rods (10) matched with the limiting holes (9) are installed at the other end of the steel pipe body (1).

4. An adjustable cold-rolled steel tube according to claim 1, characterized in that: The outer side of the steel pipe body (1) is provided with a protection mechanism, the protection mechanism comprises a plurality of reinforcing rods (11), a plurality of reinforcing plates (12) are installed between each two adjacent reinforcing rods (11), a plurality of limiting grooves (13) matched with the reinforcing rods (11) are formed at the top and bottom of the first arc-shaped plate (3).

5. An adjustable cold-rolled steel tube according to claim 4, characterized in that: The two ends of the protection mechanism are provided with a limiting mechanism, the limiting mechanism comprises two second arc-shaped plates (14), a plurality of clamping grooves (15) formed at the top and bottom of the two second arc-shaped plates (14), and an arc-shaped block (20) installed on the side of the two second arc-shaped plates (14) and matched with the annular groove (2), and the plurality of clamping grooves (15) are matched with the plurality of reinforcing rods (11).

6. An adjustable cold-rolled steel tube according to claim 5, characterized in that: The two sides of the two second arc-shaped plates (14) are provided with a fixing block (19), a fixing hole (16) is formed in the inner side of the fixing block (19), and the two fixing holes (16) are fixedly connected by a second bolt (17) and a second nut (18).

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