Metal bent pipe convenient to connect

Abstract

The utility model relates to the technical field of bent pipes, and provides a metal bent pipe convenient to connect, which comprises a first bent pipe and a second bent pipe, an annular plate is arranged between the first bent pipe and the second bent pipe, sealing washers are fixedly mounted on two sides of the annular plate, and two second annular cylinders are respectively sleeved on the first bent pipe and the second bent pipe manually. Then a second annular cylinder on the first bent pipe and a second bent pipe can be fixed through a fixing assembly, then one end of the first bent pipe and one end of the second bent pipe are manually inserted into the first annular cylinder for butt joint, and an L-shaped plate is synchronously inserted into a clamping assembly while butt joint is conducted, so that the first bent pipe and the second bent pipe can be preliminarily fixed; and finally, through the reinforcing assembly, the connecting effect and strength can be improved, and therefore when the first bent pipe and the second bent pipe are connected, many tools are not needed, the working time is effectively shortened, and later disassembly and maintenance are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of bent pipes, and in particular to a metal bent pipe that is easy to connect. Background Art

[0002] Pipe bending is done with a complete set of bending equipment, which is divided into two processes: cold bending and hot pushing. Regardless of the type of machinery and equipment and pipelines, most of them use pipe bending, which is mainly used for oil, gas, liquid infusion, engineering bridge construction, etc.

[0003] In the prior art, welding is mostly used to connect the two ends of a bent pipe and a straight pipe, or a bent pipe and a bent pipe, which requires the use of many tools, increases working time, reduces efficiency, and is not convenient for later disassembly and maintenance of the pipeline. Therefore, a metal bent pipe that is easy to connect is needed. Utility Model Content

[0004] The utility model provides a metal elbow that is easy to connect, which solves the problem that most of the related technologies use welding to connect the two ends of the elbow and the straight pipe, or the elbow and the elbow, which requires the use of many tools, increases working time, reduces efficiency, and is inconvenient for later disassembly and maintenance of the pipeline.

[0005] The technical solution of the utility model is as follows: a metal elbow that is easy to connect, comprising: a first elbow and a second elbow, an annular plate is arranged between the first elbow and the second elbow, sealing gaskets are fixedly installed on both sides of the annular plate, and the first elbow and the second elbow are respectively plugged into the sealing gaskets on both sides of the annular plate;

[0006] A first annular tube is fixedly mounted on the outer side wall of the annular plate, and one end of the first curved tube and one end of the second curved tube are both inserted into the first annular tube;

[0007] A clamping assembly, the clamping assembly being arranged on the outer side of the first annular cylinder;

[0008] A fixing ring is fixedly mounted on the outer side wall of the first annular cylinder, and the clamping assembly is fixedly mounted on the outer side wall of the fixing ring;

[0009] The outer sides of the first curved pipe and the second curved pipe are sleeved with a second annular tube, and one side of the two second annular tubes is fixedly mounted with two L-shaped plates, and one end of the L-shaped plate is plugged into the clamping assembly;

[0010] A fixing assembly, wherein the fixing assembly is arranged on the second annular cylinder, and the first curved pipe and the second annular cylinder on the second curved pipe are both fixed thereto by the fixing assembly;

[0011] A reinforcement component is arranged on the second annular cylinder.

[0012] Preferably, the fixing assembly includes two first bolts that pass through the second annular cylinder, and the two first bolts are threadedly connected to the second annular cylinder. An annular groove is provided on the inner wall of the second annular cylinder, and two fixing plates are provided inside the annular groove, and the fixing plates are fixedly mounted on one end of the first bolts.

[0013] Preferably, a rubber pad is fixedly mounted on a side of the fixing plate away from the first bolt, and the rubber pad is located on the inner side of the second annular cylinder.

[0014] Preferably, an auxiliary part is provided on the outer side wall of the fixing plate, and the hexagonal screw head end of the first bolt is located on the inner side of the auxiliary part.

[0015] Preferably, the snap-on assembly includes two fixed plates fixedly mounted on the outer side wall of the fixed ring, plug-in grooves are provided at both ends of the two fixed plates, and the L-shaped plates on the two second annular cylinders are plugged into the plug-in grooves, U-shaped frames are fixedly mounted on both sides of the two fixed plates, and a plurality of U-shaped frames are provided with plug-in structures, and the other end of the plug-in structure passes through the square groove on the fixed plate and is plugged into the snap-on groove on the L-shaped plate.

[0016] Preferably, the plug-in structure includes a T-shaped rod passing through the U-shaped frame, a plug-in block is fixedly installed on one end of the T-shaped rod, the other end of the plug-in block passes through the square groove on the fixed plate and is plugged into the clamping groove on the L-shaped plate, and a spring is provided on the outer wall of the T-shaped rod, and the spring is located between the plug-in block and the U-shaped frame.

[0017] Preferably, the reinforcement assembly includes a flange fixedly mounted on the outer side wall of the second annular cylinder, a second bolt is inserted into a circular hole on the flange, and a nut is threadedly connected to the outer side wall of the second bolt.

[0018] The working principle and beneficial effects of the utility model are:

[0019] The two second annular tubes are manually sleeved on the first elbow and the second elbow respectively, and then the second annular tubes on the first elbow and the second elbow are fixed by the fixing assembly. Then, one end of the first elbow and the second elbow is manually inserted into the first annular tube for docking. At the same time, the L-shaped plate is simultaneously inserted into the clamping assembly, so that the first elbow and the second elbow can be initially fixed. Finally, the reinforcement assembly is used to improve the connection effect and strength, so that the first elbow and the second elbow do not need to use many tools when connecting, which effectively reduces the working time and facilitates the disassembly and maintenance at a later time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0021] Figure 1 This is a schematic diagram of the overall three-dimensional structure proposed by the utility model;

[0022] Figure 2 This is a schematic diagram of a sectional three-dimensional structure of a first elbow proposed in the utility model;

[0023] Figure 3 This is a schematic diagram of the cross-sectional three-dimensional structure of the second annular cylinder proposed in the utility model;

[0024] Figure 4 The utility model proposes Figure 3 A in the figure is an enlarged schematic diagram of the three-dimensional structure;

[0025] Figure 5 This is a schematic diagram of the three-dimensional structure of the first annular cylinder proposed in the utility model;

[0026] Figure 6 The utility model proposes Figure 5 The enlarged schematic diagram of the three-dimensional structure is shown in Figure 1.

[0027] In the figure: 1, first curved pipe; 2, second curved pipe; 3, annular plate; 4, sealing gasket; 5, first annular cylinder;

[0028] 6. Card-joint assembly; 61. Fixing plate; 62. U-shaped frame; 63. Plug-in structure; 6301. T-shaped rod; 6302. Spring; 6303. Plug-in block;

[0029] 7. Second annular cylinder;

[0030] 8. fixing assembly; 81. first bolt; 82. fixing plate;

[0031] 9. Reinforcement assembly; 91. Flange; 92. Second bolt; 93. Nut;

[0032] 10. L-shaped plate; 11. Fixing ring; 12. Auxiliary parts; 13. Rubber pad. DETAILED DESCRIPTION

[0033] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] Embodiment 1

[0035] See also Figure 1 - Figure 6 A metal elbow that is easy to connect, comprising: a first elbow 1 and a second elbow 2, an annular plate 3 is arranged between the first elbow 1 and the second elbow 2, sealing gaskets 4 are fixedly installed on both sides of the annular plate 3, and the first elbow 1 and the second elbow 2 are respectively plugged into the sealing gaskets 4 on both sides of the annular plate 3;

[0036] A first annular tube 5 is fixedly mounted on the outer side wall of the annular plate 3, and one end of the first curved tube 1 and the second curved tube 2 are both inserted into the first annular tube 5;

[0037] A clamping assembly 6, which is arranged on the outside of the first annular cylinder 5;

[0038] A fixing ring 11 is fixedly mounted on the outer side wall of the first annular cylinder 5, and the clamping assembly 6 is fixedly mounted on the outer side wall of the fixing ring 11;

[0039] The outer sides of the first curved pipe 1 and the second curved pipe 2 are sleeved with a second annular tube 7, and two L-shaped plates 10 are fixedly installed on one side of the two second annular tubes 7, and one end of the L-shaped plate 10 is plugged into the clamping assembly 6;

[0040] The fixing assembly 8 is arranged on the second annular tube 7 , and the second annular tubes 7 on the first curved tube 1 and the second curved tube 2 are both fixed thereon by the fixing assembly 8 .

[0041] The utility model provides a metal elbow pipe that is easy to connect. When in use, the two second annular tubes 7 are first manually sleeved on the first elbow pipe 1 and the second elbow pipe 2 respectively, and then the second annular tube 7 on the first elbow pipe 1 and the second elbow pipe 2 can be stably fixed thereon through the fixing component 8 on the second annular tube 7, and then one end of the first elbow pipe 1 and the second elbow pipe 2 are manually inserted into the first annular tube 5 for docking. At the same time, the L-shaped plate 10 is synchronously inserted into the clamping component 6, so that the first elbow pipe 1, the second elbow pipe 2 and the first annular tube 5 can be quickly fixed, and then when the first elbow pipe 1 and the second elbow pipe 2 are connected, it is not necessary to use a lot of tools, which effectively reduces the working time, greatly improves the efficiency, and is convenient for later disassembly and maintenance. In addition, the annular plate 3 and the sealing gasket 4 inside the first annular tube 5 can ensure the sealing effect between the first elbow pipe 1, the second elbow pipe 2 and the first annular tube 5.

[0042] Furthermore, the fixing assembly 8 includes two first bolts 81 that are arranged through the second annular tube 7, and the two first bolts 81 are threadedly connected to the second annular tube 7. An annular groove is provided on the inner wall of the second annular tube 7, and two fixing plates 82 are provided inside the annular groove, and the fixing plate 82 is fixedly installed on one end of the first bolt 81.

[0043] Specifically, by manually rotating the first bolt 81 threadedly connected to the second annular tube 7, the first bolt 81 can drive the fixing plate 82 to approach the first curved tube 1 or the second curved tube 2 and resist the first curved tube 1 or the second curved tube 2, so that the second annular tube 7 can be stably fixed on the first curved tube 1 or the second curved tube 2.

[0044] Furthermore, a rubber pad 13 is fixedly installed on one side of the fixing plate 82 away from the first bolt 81 , and the rubber pad 13 is located on the inner side of the second annular cylinder 7 , an auxiliary part 12 is provided on the outer wall of the fixing plate 82 , and the hexagonal screw head end of the first bolt 81 is located on the inner side of the auxiliary part 12 .

[0045] Specifically, the rubber pad 13 is used to improve the sealing force between the first bend pipe 1 and the second bend pipe 2, thereby improving the interference effect between the fixed plate 82 and the first bend pipe 1 and the second bend pipe 2. Then, the auxiliary part 12 is used to facilitate workers to rotate the first bolt 81 threaded on the second annular cylinder 7, thereby reducing the use of tools and improving efficiency.

[0046] Furthermore, the snap-on assembly 6 includes two fixed plates 61 fixedly mounted on the outer wall of the fixed ring 11, plug-in grooves are provided at both ends of the two fixed plates 61, and the L-shaped plates 10 on the two second annular cylinders 7 are plugged into the plug-in grooves, U-shaped frames 62 are fixedly mounted on both sides of the two fixed plates 61, and a plug-in structure 63 is provided on the multiple U-shaped frames 62, and the other end of the plug-in structure 63 passes through the square groove on the fixed plate 61 and is plugged into the snap-on groove on the L-shaped plate 10.

[0047] Specifically, when the L-shaped plate 10 is inserted into the plug-in groove on the fixed plate 61, the plug-in structure 63 on the U-shaped frame 62 is plugged into the clamping groove on the L-shaped plate 10, so that the L-shaped plate 10 can be stably fixed in the plug-in groove on the fixed plate 61, thereby enabling the first curved pipe 1, the second curved pipe 2 and the first annular tube 5 to be quickly fixed.

[0048] Furthermore, the plug-in structure 63 includes a T-shaped rod 6301 that passes through the U-shaped frame 62, and a plug-in block 6303 is fixedly installed on one end of the T-shaped rod 6301. The other end of the plug-in block 6303 passes through the square groove on the fixed plate 61 and is plugged into the clamping groove on the L-shaped plate 10. A spring 6302 is provided on the outer wall of the T-shaped rod 6301, and the spring 6302 is located between the plug-in block 6303 and the U-shaped frame 62.

[0049] Specifically, the elastic force of the spring 6302 pushes the plug-in block 6303, so that the plug-in block 6303 can move stably under the action of the T-shaped rod 6301, the U-shaped frame 62 and the fixing plate 61, and one end of the plug-in block 6303 is inserted into the clamping groove on the L-shaped plate 10, so that the first bend pipe 1, the second bend pipe 2 and the first annular cylinder 5 can be quickly fixed, thereby reducing the use of tools and working time.

[0050] Embodiment 2

[0051] Based on the first embodiment, the present embodiment includes: a reinforcement component 9, which is arranged on the second annular cylinder 7. The reinforcement component 9 includes a flange 91 fixedly mounted on the outer wall of the second annular cylinder 7, a second bolt 92 is inserted into the circular hole on the flange 91, and a nut 93 is threadedly connected to the outer wall of the second bolt 92.

[0052] The technical solution provided in this embodiment is: manually inserting the second bolt 92 into the symmetrical circular holes on the two flanges 91, and then manually threading the nut 93 onto the second bolt 92, thereby effectively improving the connection effect and the strength of the connection.

[0053] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A metal elbow that is easy to connect, characterized in that: include: A first curved pipe (1) and a second curved pipe (2), wherein an annular plate (3) is arranged between the first curved pipe (1) and the second curved pipe (2), sealing gaskets (4) are fixedly installed on both sides of the annular plate (3), and the first curved pipe (1) and the second curved pipe (2) are respectively plugged into the sealing gaskets (4) on both sides of the annular plate (3); A first annular tube (5) is fixedly mounted on the outer side wall of the annular plate (3), and one end of the first curved tube (1) and one end of the second curved tube (2) are both inserted into the first annular tube (5); A clamping assembly (6), wherein the clamping assembly (6) is arranged on the outside of the first annular cylinder (5); A fixing ring (11) is fixedly mounted on the outer side wall of the first annular cylinder (5), and the clamping assembly (6) is fixedly mounted on the outer side wall of the fixing ring (11); The first curved pipe (1) and the second curved pipe (2) are both sleeved with a second annular tube (7), and two L-shaped plates (10) are fixedly mounted on one side of the two second annular tubes (7), and one end of the L-shaped plate (10) is plugged into the clamping assembly (6); a fixing assembly (8), wherein the fixing assembly (8) is arranged on the second annular cylinder (7), and the second annular cylinder (7) on the first curved pipe (1) and the second curved pipe (2) are both fixed thereto by the fixing assembly (8); A reinforcement component (9), wherein the reinforcement component (9) is arranged on the second annular cylinder (7).

2. The metal elbow for easy connection according to claim 1, characterized in that: The fixing assembly (8) comprises two first bolts (81) penetrating the second annular cylinder (7), and the two first bolts (81) are threadedly connected to the second annular cylinder (7). An annular groove is provided on the inner side wall of the second annular cylinder (7), and two fixing plates (82) are provided inside the annular groove, and the fixing plates (82) are fixedly mounted on one end of the first bolts (81).

3. The metal elbow for easy connection according to claim 2, characterized in that: A rubber pad (13) is fixedly mounted on a side of the fixing plate (82) away from the first bolt (81), and the rubber pad (13) is located on the inner side of the second annular cylinder (7).

4. The metal elbow for easy connection according to claim 3, characterized in that: An auxiliary component (12) is provided on the outer side wall of the fixing plate (82), and the hexagonal screw head end of the first bolt (81) is located on the inner side of the auxiliary component (12).

5. The metal elbow for easy connection according to claim 1, characterized in that: The clamping assembly (6) comprises two fixing plates (61) fixedly mounted on the outer side wall of the fixing ring (11), plug-in grooves being provided at both ends of the two fixing plates (61), and the L-shaped plates (10) on the two second annular cylinders (7) being plugged into the plug-in grooves, U-shaped frames (62) being fixedly mounted on both sides of the two fixing plates (61), and a plug-in structure (63) being provided on a plurality of the U-shaped frames (62), and the other end of the plug-in structure (63) passing through the square groove on the fixing plate (61) and being plugged into the clamping groove on the L-shaped plate (10).

6. The metal elbow for easy connection according to claim 5, characterized in that: The plug-in structure (63) comprises a T-shaped rod (6301) which passes through the U-shaped frame (62); a plug-in block (6303) is fixedly mounted on one end of the T-shaped rod (6301); the other end of the plug-in block (6303) passes through a square groove on the fixing plate (61) and is plugged into a clamping groove on the L-shaped plate (10); a spring (6302) is provided on the outer side wall of the T-shaped rod (6301), and the spring (6302) is located between the plug-in block (6303) and the U-shaped frame (62).

7. The metal elbow for easy connection according to claim 1, characterized in that: The reinforcement assembly (9) comprises a flange (91) fixedly mounted on the outer wall of the second annular cylinder (7), a second bolt (92) being inserted into a circular hole on the flange (91), and a nut (93) being threadedly connected to the outer wall of the second bolt (92).

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