A pipe insulation outer pipe connecting structure

Abstract

The utility model relates to the technical field of outer protection pipe connection, concretely is a pipeline heat preservation layer outer protection pipe connecting structure, including outer protection pipe bottom pipe, the surface of outer protection pipe bottom pipe is provided with outer protection pipe top pipe and rotates, the surface of outer protection pipe bottom pipe and outer protection pipe top pipe is fixedly connected with the locating arc piece, one side of outer protection pipe bottom pipe and outer protection pipe top pipe is provided with the rotating mechanism, the other side of outer protection pipe bottom pipe and outer protection pipe top pipe is provided with locking mechanism. The utility model discloses through the operator only needs to operate the lever in rotating mechanism, can make the sliding pivot from the circular hole of fixed side frame and get out, separates outer protection pipe bottom pipe and outer protection pipe top pipe, after can place them respectively in pipeline designated position, restores rotating connection and cooperation locking mechanism to complete installation to use normally in complex narrow space environment, effectively solved the problem that the prior art is difficult to install in narrow space, improved the adaptability of connecting structure.

Description

Technical Field

[0001] This utility model relates to the field of outer protective pipe connection technology, specifically to a pipe insulation layer outer protective pipe connection structure. Background Technology

[0002] Piping systems play a vital role in many fields of industrial production, construction engineering, and daily life, transporting various liquids, gases, and other media. To reduce heat loss, prevent adverse effects of medium temperature changes on pipelines and the surrounding environment, and protect pipelines from corrosion by external environmental factors, an insulation layer is usually installed on the outside of the pipeline, and an outer protective pipe is installed on the outside of the insulation layer.

[0003] The existing outer protective pipe is an integrated structure composed of two sets of arc-shaped protective pipes. The two sets of arc-shaped protective pipes are arranged to rotate relative to each other. During installation and connection, the arc-shaped protective pipes are rotated around the rotation point, and then locking bolts are used on the other side of the rotation to lock them. This achieves the installation and connection of the outer protective pipe of the insulation layer on the pipeline. Compared with the split type, the installation is more convenient. However, in some narrow environments, the way the two sets of arc-shaped protective pipes are arranged to rotate is greatly restricted, making it impossible to use the connection mechanism of the outer protective pipe and greatly reducing the adaptability of the connection mechanism. Utility Model Content

[0004] The purpose of this utility model is to provide a connection structure for the outer protective pipe of the pipe insulation layer, so as to solve the problem mentioned in the background art that the existing outer protective pipe is an integrated structure composed of two sets of arc-shaped protective pipes. In some narrow environments, the way the two sets of arc-shaped protective pipes are rotated is greatly restricted, making the connection mechanism of the outer protective pipe unusable and greatly reducing the adaptability of the connection mechanism.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a pipe insulation layer outer protective pipe connection structure, comprising an outer protective pipe bottom pipe, an outer protective pipe top pipe rotatably disposed on the surface of the outer protective pipe bottom pipe, positioning arc plates fixedly connected to the surfaces of the outer protective pipe bottom pipe and the outer protective pipe top pipe, a rotating mechanism provided on one side of the outer protective pipe bottom pipe and the outer protective pipe top pipe, and a locking mechanism provided on the other side of the outer protective pipe bottom pipe and the outer protective pipe top pipe, the rotating mechanism including a fixed side frame, the fixed side frame being fixedly connected to one side of the outer protective pipe bottom pipe, a connecting frame being fixedly connected to one side of the outer protective pipe top pipe, a first spring being fixedly connected to the surface of the connecting frame, and a sliding rotating element being fixedly connected to the surface of the first spring. A sliding shaft has a toggle lever fixedly connected to its surface. The sliding shaft is perforated and connected to the surface of a fixed side frame. The locking mechanism includes a first connecting rod, which is fixedly connected to the surface of the bottom tube of the outer protective tube. A second connecting rod is fixedly connected to the surface of the top tube of the outer protective tube. A connecting side frame is fixedly connected to the surface of the first connecting rod. A movable shaft is rotatably connected to the surface of the connecting side frame. A limit plate is fixedly connected to the surface of the movable shaft. A second spring is fixedly connected to the surface of the connecting side frame. A limit rod is fixedly connected to the surface of the second spring. The limit rod is slidably connected to the surface of the connecting side frame. An operating lever is inserted into the surface of the limit plate.

[0006] Preferably, the fixed side frame has circular holes on both sides, the sliding shaft is connected to the circular holes of the fixed side frame through the holes, the connecting frame rotates on the fixed side frame via the sliding shaft, and the top tube of the outer protective tube rotates on one side of the bottom tube of the outer protective tube via the connecting frame.

[0007] Preferably, the end of the connecting frame is provided with a circular groove, the sliding shaft slides on the circular groove of the connecting frame, and the first spring applies elastic force to the sliding shaft on the circular groove of the connecting frame.

[0008] Preferably, a rectangular hole is provided on one side of the circular hole of the connecting frame, the actuating rod slides on the rectangular hole of the connecting frame, and the sliding shaft and the actuating rod slide synchronously at the end of the connecting frame.

[0009] Preferably, the limiting plate rotates on one side of the connecting side frame via a movable pivot. Both the connecting side frame and the limiting plate are "L" shaped. The limiting plate is connected to the surface of the second connecting rod via a rotational contact.

[0010] Preferably, the limiting plate has limiting grooves on both sides, the elastic force of the second spring acts on the limiting rod, and the limiting rod is inserted into the limiting groove of the limiting plate.

[0011] Preferably, the surface of the limiting plate has multiple sets of circular grooves arranged linearly and uniformly, and the operating rod is inserted into the circular grooves of the limiting plate.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This connection structure allows the operator to simply move the lever in the rotating mechanism to disengage the sliding shaft from the circular hole of the fixed side frame, separating the bottom and top outer protective pipes. They can then be placed in the designated positions on the pipeline, and the rotating connection can be restored and the locking mechanism can be used to complete the installation. This allows for normal use in complex and confined spaces, effectively solving the problem of difficult installation in confined spaces with existing technologies and improving the adaptability of the connection structure.

[0014] 2. The limiting plate of this connecting structure squeezes the second connecting rod by rotating the movable shaft, initially locking the positions of the bottom tube and top tube of the outer protective tube. At the same time, the second spring drives the limiting rod to insert into the limiting groove of the limiting plate to complete the limiting and achieve reliable locking. In addition, the operating rod can be inserted into the circular groove on the surface of the limiting plate, using the lever principle to drive the limiting plate to rotate more effortlessly, further reducing the difficulty of operation and improving the overall operating efficiency of the connecting mechanism. Attached Figure Description

[0015] Figure 1 This is a three-dimensional front view of the structure of this utility model;

[0016] Figure 2 This is a side view of the structure of this utility model;

[0017] Figure 3 This utility model Figure 1 Enlarged structural diagram at point A;

[0018] Figure 4 This is a three-dimensional schematic diagram of the rotating mechanism of this utility model, including front view, bottom view, and cross-sectional view.

[0019] Figure 5 This is a frontal cross-sectional exploded view of the locking mechanism of this utility model.

[0020] In the diagram: 1. Outer protective tube bottom pipe; 11. Outer protective tube top pipe; 12. Positioning arc plate; 2. Fixed side frame; 21. Connecting frame; 22. First spring; 23. Sliding pivot; 24. Actuating rod; 3. First connecting rod; 31. Second connecting rod; 32. Connecting side frame; 33. Movable pivot; 34. Limiting plate; 35. Second spring; 36. Limiting rod; 37. Operating rod. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-5 One embodiment provided by this utility model:

[0023] A pipe insulation layer outer protective pipe connection structure includes an outer protective pipe bottom pipe 1, an outer protective pipe top pipe 11 rotatably mounted on the surface of the outer protective pipe bottom pipe 1, and positioning arc plates 12 fixedly connected to the surfaces of the outer protective pipe bottom pipe 1 and the outer protective pipe top pipe 11. The positioning arc plates 12 contact the surface of the pipe and are used to position the outer protective pipe bottom pipe 1 and the outer protective pipe top pipe 11. A rotating mechanism is provided on one side of the outer protective pipe bottom pipe 1 and the outer protective pipe top pipe 11, and a locking mechanism is provided on the other side of the outer protective pipe bottom pipe 1 and the outer protective pipe top pipe 11. The rotating mechanism includes a fixed side frame 2, which is fixedly connected to one side of the outer protective pipe bottom pipe 1. A connecting frame 21 is fixedly connected to one side. A first spring 22 is fixedly connected to the surface of the connecting frame 21. A sliding shaft 23 is fixedly connected to the surface of the first spring 22. A toggle lever 24 is fixedly connected to the surface of the sliding shaft 23. The sliding shaft 23 is perforated and connected to the surface of the fixed side frame 2. The locking mechanism includes a first connecting rod 3, which is fixedly connected to the surface of the bottom tube 1 of the outer protective tube. A second connecting rod 31 is fixedly connected to the surface of the top tube 11 of the outer protective tube. A connecting side frame 32 is fixedly connected to the surface of the first connecting rod 3. A movable shaft 33 is rotatably connected to the surface of the connecting side frame 32. A limiting plate 34 is fixedly connected to the surface of the connecting side frame 32. A second spring 35 is fixedly connected to the surface of the connecting side frame 32. A limiting rod 36 is fixedly connected to the surface of the second spring 35. The limiting rod 36 is slidably connected to the surface of the connecting side frame 32. An operating rod 37 is inserted into the surface of the limiting plate 34. The outer protective pipe bottom pipe 1 and the outer protective pipe top pipe 11 are rotated by a rotating mechanism. With the cooperation of a locking mechanism, the outer protective pipe bottom pipe 1 and the outer protective pipe top pipe 11 are connected on the pipeline. When there is insufficient space, the rotating mechanism can separate the outer protective pipe bottom pipe 1 and the outer protective pipe top pipe 11. After the jacking pipe 11 is placed in the designated position on the pipeline, the outer protective pipe bottom pipe 1 and the outer protective pipe jacking pipe 11 are rotated and connected. Then, the locking mechanism is used to complete the installation, which greatly improves the adaptability of the connection mechanism. The locking mechanism avoids the use of multiple sets of locking screws for locking. The second connecting rod 31 is pressed onto the first connecting rod 3 by rotating the limiting plate 34, thereby locking the positions of the outer protective pipe bottom pipe 1 and the outer protective pipe jacking pipe 11. With the limiting plate 34 limited on the connecting side frame 32, the locking task of the outer protective pipe bottom pipe 1 and the outer protective pipe jacking pipe 11 is achieved. The operation is simple and convenient, which improves the operating efficiency of the connection mechanism.

[0024] Furthermore, circular holes are provided on both sides of the fixed side frame 2, and the sliding shaft 23 is connected to the circular holes of the fixed side frame 2 through the holes. The connecting frame 21 rotates on the fixed side frame 2 via the sliding shaft 23. The outer protective tube top tube 11 rotates on one side of the outer protective tube bottom tube 1 via the connecting frame 21, and the outer protective tube bottom tube 1 also rotates relative to the bottom of the outer protective tube top tube 11. When the outer protective tube bottom tube 1 and the outer protective tube top tube 11 rotate into a whole, the first connecting rod 3 and the second connecting rod 31 are connected in contact. A sealing gasket is provided between the outer protective tube bottom tube 1 and the outer protective tube top tube 11. During the compression process of the outer protective tube bottom tube 1 and the outer protective tube top tube 11, the sealing performance of the outer protective tube is ensured.

[0025] Furthermore, a circular groove is provided at the end of the connecting frame 21, and the sliding shaft 23 slides on the circular groove of the connecting frame 21. The first spring 22 applies elastic force to the sliding shaft 23 on the circular groove of the connecting frame 21, so that the sliding shaft 23 can always be kept on the circular hole of the fixed side frame 2, thereby ensuring the stability of the connecting frame 21 rotating on the fixed side frame 2.

[0026] Furthermore, a rectangular hole is provided on one side of the circular hole of the connecting frame 21. The actuating rod 24 slides on the rectangular hole of the connecting frame 21. The sliding shaft 23 and the actuating rod 24 slide synchronously at the end of the connecting frame 21. By actuating the actuating rod 24 to compress the first spring 22, the rotational connection of the connecting frame 21 on the fixed side frame 2 can be canceled, thereby separating the bottom tube 1 of the outer protective tube and the top tube 11 of the outer protective tube.

[0027] Furthermore, the limiting plate 34 rotates on one side of the connecting side frame 32 via the movable rotating shaft 33. Both the connecting side frame 32 and the limiting plate 34 are in an "L" shape. The limiting plate 34 is connected to the surface of the second connecting rod 31 through rotational contact. The limiting plate 34 presses the second connecting rod 31 on the first connecting rod 3, so that the connection between the bottom tube 1 of the outer protective tube and the top tube 11 of the outer protective tube is well sealed.

[0028] Furthermore, limiting grooves are provided on both sides of the limiting plate 34, and the elastic force of the second spring 35 acts on the limiting rod 36. The limiting rod 36 is inserted into the limiting groove of the limiting plate 34. When the second connecting rod 31 presses the first connecting rod 3 to a complete seal, the limiting rod 36 is just inserted into the limiting groove of the limiting plate 34, thereby realizing the sealed connection between the bottom tube 1 of the outer protective tube and the top tube 11 of the outer protective tube.

[0029] Furthermore, the surface of the limiting plate 34 has multiple sets of circular grooves arranged linearly and evenly. The operating rod 37 is inserted into the circular groove of the limiting plate 34. When the second connecting rod 31 is pressed by the limiting plate 34, a large force is required. By inserting the operating rod 37 into the central groove and driving the limiting plate 34 to rotate, the operating rod 37 can form a lever on the limiting plate 34 to drive the limiting plate 34 to rotate and press the second connecting rod 31, thus making the operation more labor-saving.

[0030] Working principle: The operator can turn the lever 24 in the rotating mechanism. Since the lever 24 is fixedly connected to the sliding shaft 23, and the sliding shaft 23 slides on the circular groove of the connecting frame 21, the lever 24 will drive the sliding shaft 23 to slide synchronously and squeeze the first spring 22. When the sliding shaft 23 disengages from the circular hole on the surface of the fixed side frame 2, the rotational connection of the connecting frame 21 on the fixed side frame 2 is canceled, thereby separating the outer protective tube bottom tube 1 and the outer protective tube top tube 11. Subsequently, the operator can separate the outer protective tube bottom tube 1 and the outer protective tube top tube. 11 is placed at the designated position on the pipe, and the positioning arc plate 12 will contact the pipe surface, which will play a positioning role for the outer protective pipe bottom pipe 1 and the outer protective pipe top pipe 11. Then, the sliding rotating shaft 23 is aligned with the circular hole of the fixed side bracket 2. The elastic force of the first spring 22 causes the sliding rotating shaft 23 to be reinserted into the circular hole, restoring the rotational connection. After that, the outer protective pipe bottom pipe 1 and the outer protective pipe top pipe 11 are rotated around the sliding rotating shaft 23 to fit together, and then the locking mechanism is used to complete the installation. This method greatly improves the adaptability of the connection mechanism, enabling it to complete the installation task normally in complex and narrow space environments.

[0031] The limiting plate 34 rotates on the connecting side frame 32 via the movable pivot 33. After rotating to contact the second connecting rod 31, it presses the second connecting rod 31 against the first connecting rod 3, initially locking the positions of the bottom tube 1 and the top tube 11 of the outer protective tube. At the same time, the second spring 35 on the connecting side frame 32 applies elastic force to the limiting rod 36. When the second connecting rod 31 and the first connecting rod 3 are completely sealed and fitted, the limiting rod 36 inserts into the limiting grooves on both sides of the limiting plate 34, completing the limiting of the limiting plate 34 and locking the bottom tube 1 and the top tube 11 of the outer protective tube. Furthermore, the operating rod 37 can be inserted into the circular groove on the surface of the limiting plate 34, using the lever principle to drive the limiting plate 34 to rotate more effortlessly, making the operation simple and convenient and improving the operating efficiency of the connecting mechanism.

[0032] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A connection structure for the outer protective pipe of a pipe insulation layer, characterized in that: The system includes an outer sheath bottom tube (1), an outer sheath top tube (11) rotatably mounted on the surface of the outer sheath bottom tube (1), positioning arc plates (12) fixedly connected to the surfaces of the outer sheath bottom tube (1) and the outer sheath top tube (11), a rotating mechanism provided on one side of the outer sheath bottom tube (1) and the outer sheath top tube (11), and a locking mechanism provided on the other side of the outer sheath bottom tube (1) and the outer sheath top tube (11). The rotating mechanism includes a fixed side frame (2), which is fixedly connected to one side of the outer sheath bottom tube (1). A connecting frame (21) is fixedly connected to one side of the outer sheath top tube (11). A first spring (22) is fixedly connected to the surface of the connecting frame (21). A sliding shaft (23) is fixedly connected to the surface of the first spring (22). A toggle rod (24) is fixedly connected to the surface of the sliding shaft (23). The sliding pivot (23) is perforated and connected to the surface of the fixed side frame (2). The locking mechanism includes a first connecting rod (3), which is fixedly connected to the surface of the bottom tube (1) of the outer protective tube. A second connecting rod (31) is fixedly connected to the surface of the top tube (11) of the outer protective tube. A connecting side frame (32) is fixedly connected to the surface of the first connecting rod (3). A movable pivot (33) is rotatably connected to the surface of the connecting side frame (32). A limit plate (34) is fixedly connected to the surface of the movable pivot (33). A second spring (35) is fixedly connected to the surface of the connecting side frame (32). A limit rod (36) is fixedly connected to the surface of the second spring (35). The limit rod (36) is slidably connected to the surface of the connecting side frame (32). An operating rod (37) is inserted into the surface of the limit plate (34).

2. The pipe insulation layer outer protective pipe connection structure according to claim 1, characterized in that: The fixed side frame (2) has circular holes on both sides. The sliding shaft (23) is connected to the circular holes of the fixed side frame (2). The connecting frame (21) rotates on the fixed side frame (2) through the sliding shaft (23). The outer protective tube top pipe (11) rotates on one side of the outer protective tube bottom pipe (1) through the connecting frame (21).

3. The pipe insulation layer outer protective pipe connection structure according to claim 1, characterized in that: The end of the connecting frame (21) is provided with a circular groove, the sliding shaft (23) slides on the circular groove of the connecting frame (21), and the first spring (22) applies elastic force to the sliding shaft (23) on the circular groove of the connecting frame (21).

4. The pipe insulation layer outer protective pipe connection structure according to claim 3, characterized in that: A rectangular hole is provided on one side of the circular hole of the connecting frame (21). The actuating rod (24) slides on the rectangular hole of the connecting frame (21). The sliding shaft (23) and the actuating rod (24) slide synchronously at the end of the connecting frame (21).

5. The pipe insulation layer outer protective pipe connection structure according to claim 1, characterized in that: The limiting plate (34) rotates on one side of the connecting side frame (32) via a movable pivot (33). Both the connecting side frame (32) and the limiting plate (34) are in an "L" shape. The limiting plate (34) is connected to the surface of the second connecting rod (31) by rotational contact.

6. The pipe insulation layer outer protective pipe connection structure according to claim 1, characterized in that: The limiting plate (34) has limiting grooves on both sides, and the elastic force of the second spring (35) acts on the limiting rod (36), which is inserted into the limiting groove of the limiting plate (34).

7. The pipe insulation layer outer protective pipe connection structure according to claim 1, characterized in that: The limiting plate (34) has multiple sets of circular grooves on its surface, which are arranged linearly and uniformly. The operating rod (37) is inserted into the circular groove of the limiting plate (34).

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