Bent pipe with protective structure

Abstract

The utility model discloses an elbow pipe with a protective structure, which comprises an elbow pipe and a protective cover, both ends of the elbow pipe are provided with connecting pipes, the outer walls of both ends of the elbow pipe are provided with external thread parts, the inner wall of one end of each connecting pipe is provided with an internal thread part, and sealing rings are sleeved between the elbow pipe and the connecting pipes. When the bent pipe is used, the connecting pipes are fixed to the two ends of the bent pipe under the action of the threads, connecting parts on the two sides of the bent pipe are protected, the push blocks on the two sides are pushed to drive the L-shaped fixing plates in the mounting plates to move oppositely, and the L-shaped fixing plates can vertically move under the meshing action of the fixing racks and the guide gears; the fixing springs are extruded, the mounting blocks on the two sides of the protective cover are inserted into the mounting grooves of the mounting plates on the two sides correspondingly, the push blocks are loosened, and the L-shaped fixing plates are pushed to move oppositely under the elastic force action of the fixing springs, so that the limiting blocks are pressed into the limiting grooves, and mounting of the protective cover is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of bent pipes, in particular to a bent pipe with a protective structure. Background Art

[0002] The pipe bending is carried out by using a complete set of bending equipment, which is divided into two processes: cold bending and hot pushing. Regardless of which kind 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] After searching, a wear-resistant elbow structure with publication number CN218992727U was found. The utility model discloses a wear-resistant elbow structure, including a bend pipe, the bend pipe is a square pipe, a notch is provided on the outside of the bend pipe, a protective shell is connected in the notch, both ends of the protective shell are fixedly connected to the bend pipe through a fastening device, both ends of the bend pipe are fixedly connected to a special-shaped pipe, the other end of the special-shaped pipe is fixedly connected to a round pipe, and the other end of the round pipe is fixedly connected to a flange. The purpose of the utility model is to provide a wear-resistant elbow structure with a simple structure, detachability, and intuitive understanding of the wear of the wear-resistant liner.

[0004] At present, elbows are directly connected to other pipes and exposed to the external environment. When affected by the external environment, the elbows are easily damaged, resulting in leakage of the transported materials. In general, the protection of the elbows is a metal shell, which is generally fixed directly by welding or bolts. When the elbow inside the shell is damaged and needs to be repaired or replaced, the disassembly process of the shell is more troublesome.

[0005] In view of the above problems, we propose a bent pipe with a protective structure. Utility Model Content

[0006] The purpose of the utility model is to provide a curved pipe with a protective structure to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bent pipe with a protective structure, comprising a bent pipe and a protective cover, connecting pipes are provided at both ends of the bent pipe, the outer walls of both ends of the bent pipe are provided with external threaded portions, the inner wall of one end of the connecting pipe is provided with an internal threaded portion, a sealing ring is provided between the bent pipe and the connecting pipe, a mounting plate is fixed to one end of the connecting pipe close to the bent pipe, and two protective covers are wrapped around the outside of the bent pipe.

[0008] Preferably, the elbow and the connecting pipe are threadedly matched through an external threaded portion and an internal threaded portion.

[0009] Preferably, four movable grooves, an movable cavity and a mounting groove are provided inside the mounting plate, and mounting blocks are fixed to both ends of the protective cover, and the mounting blocks are adapted to the mounting grooves.

[0010] Preferably, a limiting groove is provided inside the mounting block, a limiting block is inserted into the limiting groove, a fixing spring is provided inside the movable cavity, and one end of the fixing spring is connected to an L-shaped fixing plate.

[0011] Preferably, the limit block is fixedly connected to the L-shaped fixing plate, and the L-shaped fixing plate is elastically connected to the fixing spring.

[0012] Preferably, a fixed rack is provided inside the movable groove, the fixed rack is fixedly connected to the L-shaped fixing plate, a guide gear is meshed on one side of the fixed rack, and the guide gear is movably connected to the mounting plate through a shaft.

[0013] Preferably, one end of the fixed rack is fixedly connected to the L-shaped fixed plate, and the other end is fixed with an "L"-shaped push block.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] When the utility model is used for bending a pipe, the connecting pipes are fixed to the two ends of the bent pipe under the action of the threads, so as to protect the connecting parts on both sides of the bent pipe.

[0016] The utility model pushes the pushing blocks on both sides to drive the L-shaped fixing plates inside the mounting plate to move backwards, and under the meshing action of the fixed rack and the guide gear, the L-shaped fixing plates can move vertically, squeeze the fixing springs, and insert the mounting blocks on both sides of the protective cover into the mounting grooves of the mounting plates on both sides respectively, release the pushing blocks, and under the elastic force of the fixing springs, push the L-shaped fixing plates to move towards each other, so that the limit blocks are pressed into the limit grooves, and the installation of the protective cover is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a front structural schematic diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the top view structure of the utility model;

[0020] Figure 4 For this utility model Figure 1 Schematic diagram of the local enlarged structure at point A in the middle.

[0021] In the figure: 1. elbow; 2. connecting pipe; 3. external threaded portion; 4. internal threaded portion; 5. protective cover; 6. mounting plate; 7. movable groove; 8. push block; 9. L-shaped fixing plate; 10. fixed rack; 11. guide gear; 12. fixing spring; 13. mounting block; 14. mounting groove; 15. limit block; 16. limit groove; 17. sealing ring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in 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 in 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.

[0023] like Figure 1 , Figure 2 and Figure 3 As shown, the utility model provides a technical solution: a curved pipe with a protective structure, comprising a curved pipe 1 and a protective cover 5, connecting pipes 2 are arranged at both ends of the curved pipe 1, the outer walls at both ends of the curved pipe 1 are provided with external threaded parts 3, the inner wall at one end of the connecting pipe 2 is provided with an internal threaded part 4, a sealing ring 17 is sleeved between the curved pipe 1 and the connecting pipe 2, a mounting plate 6 is fixed to one end of the connecting pipe 2 close to the curved pipe 1, two protective covers 5 are wrapped around the outside of the curved pipe 1, the curved pipe 1 and the connecting pipe 2 are threadedly matched through the external threaded part 3 and the internal threaded part 4, when the curved pipe 1 is in use, the connecting pipe 2 is fixed to the two ends of the curved pipe 1 under the action of the thread, and the connecting parts on both sides of the curved pipe 1 are protected.

[0024] like Figure 1 , Figure 2 , Figure 3 and Figure 4The interior of the mounting plate 6 shown is provided with four movable grooves 7, an movable cavity and a mounting groove 14, both ends of the protective cover 5 are fixed with mounting blocks 13, the mounting blocks 13 are adapted to the mounting grooves 14, a limiting groove 16 is provided inside the mounting block 13, a limiting block 15 is inserted into the limiting groove 16, a fixing spring 12 is provided inside the movable cavity, one end of the fixing spring 12 is connected to an L-shaped fixing plate 9, a limiting groove 16 is provided inside the mounting block 13, a limiting block 15 is inserted into the limiting groove 16, a fixing spring 12 is provided inside the movable cavity, one end of the fixing spring 12 is connected to an L-shaped fixing plate 9, the limiting block 15 is fixedly connected to the L-shaped fixing plate 9, the L-shaped fixing plate 9 is elastically connected to the fixing spring 12, a fixing rack 10 is provided inside the movable groove 7, and a fixing The rack 10 is fixedly connected to the L-shaped fixing plate 9, and a guide gear 11 is meshed on one side of the fixed rack 10. The guide gear 11 is movably connected to the mounting plate 6 through a shaft. One end of the fixed rack 10 is fixedly connected to the L-shaped fixing plate 9, and an "L"-shaped push block 8 is fixed to the other end. The push blocks 8 on both sides are pushed to drive the L-shaped fixing plate 9 inside the mounting plate 6 to move away from each other. Under the meshing action of the fixed rack 10 and the guide gear 11, the L-shaped fixing plate 9 can move vertically, and the fixing spring 12 is squeezed to insert the mounting blocks 13 on both sides of the protective cover 5 into the mounting grooves 14 of the mounting plates 6 on both sides respectively. The push block 8 is released, and under the elastic force of the fixing spring 12, the L-shaped fixing plate 9 is pushed to move toward each other, so that the limit block 15 is pressed into the limit groove 16 to complete the installation of the protective cover 5.

[0025] Working principle: First, when the elbow 1 is used, the connecting pipe 2 is fixed to both ends of the elbow 1 by the action of the thread to protect the connection parts on both sides of the elbow 1.

[0026] Secondly, push the push blocks 8 on both sides to drive the L-shaped fixed plate 9 inside the mounting plate 6 to move away from each other. Under the meshing action of the fixed rack 10 and the guide gear 11, the L-shaped fixed plate 9 can move vertically, squeeze the fixing spring 12, and insert the mounting blocks 13 on both sides of the protective cover 5 into the mounting grooves 14 of the mounting plates 6 on both sides respectively. Release the push block 8, and under the elastic force of the fixing spring 12, push the L-shaped fixed plate 9 to move toward each other, so that the limit block 15 is pressed into the limit groove 16 to complete the installation of the protective cover 5.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A curved pipe with a protective structure, comprising a curved pipe (1) and a protective cover (5), characterized in that: Both ends of the curved pipe (1) are provided with connecting pipes (2), the outer walls of both ends of the curved pipe (1) are provided with external threaded portions (3), the inner wall of one end of the connecting pipe (2) is provided with an internal threaded portion (4), a sealing ring (17) is sleeved between the curved pipe (1) and the connecting pipe (2), a mounting plate (6) is fixed to one end of the connecting pipe (2) close to the curved pipe (1), and the outside of the curved pipe (1) is wrapped with two protective covers (5).

2. The elbow with a protective structure according to claim 1, characterized in that: The elbow (1) and the connecting pipe (2) are threadedly matched via an external threaded portion (3) and an internal threaded portion (4).

3. The elbow with a protective structure according to claim 1, characterized in that: The interior of the mounting plate (6) is provided with four movable grooves (7), an movable cavity and a mounting groove (14), and mounting blocks (13) are fixed at both ends of the protective cover (5), and the mounting blocks (13) are adapted to the mounting grooves (14).

4. The elbow with a protective structure according to claim 3, characterized in that: A limiting groove (16) is provided inside the mounting block (13), a limiting block (15) is inserted into the limiting groove (16), a fixing spring (12) is provided inside the movable cavity, and one end of the fixing spring (12) is connected to an L-shaped fixing plate (9).

5. The elbow with a protective structure according to claim 4, characterized in that: The limit block (15) is fixedly connected to the L-shaped fixing plate (9), and the L-shaped fixing plate (9) is elastically connected to the fixing spring (12).

6. The elbow with a protective structure according to claim 4, characterized in that: A fixed rack (10) is arranged inside the movable groove (7), and the fixed rack (10) is fixedly connected to the L-shaped fixed plate (9). A guide gear (11) is meshed on one side of the fixed rack (10), and the guide gear (11) is movably connected to the mounting plate (6) via a shaft.

7. The elbow with a protective structure according to claim 6, characterized in that: One end of the fixed rack (10) is fixedly connected to the L-shaped fixed plate (9), and the other end is fixed with an "L"-shaped push block (8).

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