Corrosion-resistant long-service-life steam pipe

Abstract

The utility model relates to the technical field of steam pipes, and discloses a corrosion-resistant long-life steam pipe which comprises two base body pipes which are symmetrically distributed left and right, pressure-resistant layers are arranged on the inner sides of the two base body pipes, and buffer layers are arranged on the inner sides of the two pressure-resistant layers. According to the corrosion-resistant long-service-life steam pipe, the right side of a left base body pipe is inserted into a sleeve, then the left base body pipe is rotated and squeezed rightwards, so that two connecting blocks are inserted into two rectangular strip-shaped holes correspondingly, then two traction frames can be rotated, and the two traction frames are arranged on the outer sides of the two connecting blocks in a sleeving mode correspondingly; and then the two hand-cranking rotating discs can be rotated to drive the two traction frames to move rightwards, then the base body pipe on the left side is driven to move rightwards in the sleeve till the two positioning wedge-shaped blocks move into the two positioning grooves correspondingly, connection between the two base body pipes is completed, and therefore the purpose of convenient connection is achieved, and use of a user is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of steam pipes, in particular to a corrosion-resistant and long-life steam pipe. Background Art

[0002] Steam pipes have good mechanical and thermal insulation properties. Under normal circumstances, they can withstand high temperatures of 120°C. Through modification or combination with other thermal insulation materials, they can withstand high temperatures of 180°C. They are suitable for insulation projects of various cold and hot water, high and low temperature pipelines. With the development of steam pipe technology, various corrosion-resistant steam pipes have emerged one after another. Steam pipes often need to connect two pipes when in use. However, in the existing technology, when connecting steam pipes, they are usually connected by bolts. Not only do the holes on the flange need to be aligned, but the bolts also need to be tightened and fixed with external tools. The operation is cumbersome and not conducive to use. Therefore, a corrosion-resistant and long-life steam pipe is proposed. Utility Model Content

[0003] (1) Technical problems solved

[0004] In response to the shortcomings of the existing technology, the utility model provides a corrosion-resistant and long-life steam pipe with advantages such as easy connection. It solves the problem that in the existing technology, steam pipes are usually connected by bolts, which not only requires alignment of the holes on the flange, but also requires external tools to tighten and fix the bolts, which is cumbersome to operate and not conducive to use.

[0005] (2) Technical solution

[0006] In order to achieve the above-mentioned purpose of easy connection, the utility model provides the following technical solutions: a corrosion-resistant and long-life steam pipe, comprising two base tubes that are symmetrically distributed on the left and right sides, the inner sides of the two base tubes are provided with a pressure-resistant layer, the inner sides of the two pressure-resistant layers are provided with a buffer layer, the inner sides of the two buffer layers are provided with a heat-resistant layer, the inner sides of the two heat-resistant layers are provided with an insulation layer, and the inner sides of the two insulation layers are provided with a galvanized layer. The outer side of the right base tube is provided with a sleeve with one end movably connected to the outer side of the left base tube, the interior of the sleeve is provided with a sealing ring with one end fixedly connected to the left side of the right base tube and the other end tightly fitted with the right side of the left base tube, the upper and lower sides of the left base tube are provided with positioning grooves, the upper and lower sides of the sleeve are provided with positioning components with one end extending to the inside of the two positioning grooves respectively, the left ends of the front and rear sides of the inner wall of the sleeve are provided with rectangular strip holes, and the inner walls of the two rectangular strip holes are provided with The lockhole that is formed on the two ends of the lifting block is formed, and the locking slit of the two ends is fixed with the hinge parts of each end cover, and the hinge parts of each end cover are fixed with each other for holding the hinge parts in a direction of stopping the hinge to stop being locked.

[0007] Preferably, the positioning assembly includes a shell, and the upper and lower sides of the sleeve are fixedly installed with shells, and sliders are movably installed inside the two shells, and the bottoms of the two sliders are fixedly installed with positioning wedge blocks with one end extending to the inside of the two positioning grooves respectively, and the opposite sides of the two sliders are fixedly installed with pull rods with one end extending to the opposite sides of the two shells respectively, and the opposite sides of the two sliders are fixedly installed with positioning springs that are respectively located on the outside of the two pull rods and one end of which is fixedly connected to the opposite inner walls of the two shells respectively, and the opposite sides of the two pull rods are fixedly installed with pull rings.

[0008] Preferably, the rotating assembly includes a worm gear, and the outer sides of the two threaded rods are fixedly mounted with worm gears respectively located on the right side of the two moving blocks, and the inner walls on the opposite sides of the two rectangular grooves are movably mounted with worms, one end of which is respectively engaged with the two worm gears and the other end extends to the opposite sides of the two rectangular blocks, and the opposite sides of the two worms are fixedly mounted with hand-cranked turntables.

[0009] Preferably, first through holes adapted to the positioning wedge blocks are provided on the inner walls on opposite sides of the two shells, and second through holes adapted to the positioning wedge blocks are provided on the upper and lower sides of the sleeve.

[0010] Preferably, a first bearing is fixedly installed on the right side of the inner wall of the two rectangular grooves, and the threaded rod is rotatably connected to the right side of the inner wall of the rectangular groove through the first bearing.

[0011] Preferably, second bearings located on the right side of the moving block are fixedly mounted on the inner walls of the opposite sides of the two rectangular grooves, and the worm is rotatably connected to the inner wall of the rectangular groove via the second bearings.

[0012] (3) Beneficial effects

[0013] Compared with the prior art, the present invention provides a corrosion-resistant and long-life steam pipe with the following beneficial effects:

[0014] The corrosion-resistant and long-life steam pipe is constructed by inserting the right side of the left base pipe into the interior of the sleeve until the right side of the connecting block contacts the left side of the sleeve, and then rotating and squeezing the left base pipe to the right. When the two connecting blocks are aligned with the two rectangular holes, the two connecting blocks are respectively inserted into the interior of the two rectangular holes, and then the two traction frames can be rotated to respectively cover the outside of the two connecting blocks. Then, the two hand-cranked turntables can be rotated to drive the two worms to rotate, and then the two threaded rods are driven to rotate through the two worm wheels, and the two threaded rods will rotate during the rotation process. The two moving blocks and the two traction frames are driven to move right by the two threaded sleeves, thereby squeezing the two connecting blocks to the right, thereby driving the left base tube to move right in the sleeve until the two positioning grooves are aligned with the two positioning wedge blocks respectively. At this time, the two sliders and the two positioning wedge blocks are driven by the elastic force of the two positioning springs to move relative to each other, so that the two positioning wedge blocks are moved to the inside of the two positioning grooves respectively, thereby fixing the two base tubes together, that is, completing the connection between the two base tubes, ultimately achieving the purpose of easy connection, thereby facilitating use by users. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle;

[0017] Figure 3 This is a partial schematic diagram of a top view of a sleeve of the utility model;

[0018] Figure 4 For this utility model Figure 3Enlarged view of point B in the middle;

[0019] Figure 5 This is a partial schematic diagram of the front connecting block of the utility model;

[0020] Figure 6 This is a partial schematic diagram of a left-side sectional view of two connecting blocks of the present invention.

[0021] In the figure: 1 base tube, 2 pressure-resistant layer, 3 buffer layer, 4 heat-resistant layer, 5 insulation layer, 6 galvanized layer, 7 sleeve, 8 sealing ring, 9 positioning groove, 10 positioning assembly, 101 shell, 102 slider, 103 positioning wedge block, 104 pull rod, 105 positioning spring, 106 pull ring, 11 rectangular bar hole, 12 connecting block, 13 rectangular block, 14 rectangular groove, 15 moving block, 16 traction frame, 17 threaded sleeve, 18 threaded rod, 19 rotating assembly, 191 worm gear, 192 worm, 193 hand-cranked turntable. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-6 The utility model provides a technical solution: a corrosion-resistant and long-life steam pipe, comprising two base tubes 1 symmetrically distributed on the left and right, a pressure-resistant layer 2 fixedly installed on the inner sides of the two base tubes 1, a buffer layer 3 fixedly installed on the inner sides of the two pressure-resistant layers 2, a heat-resistant layer 4 fixedly installed on the inner sides of the two buffer layers 3, an insulation layer 5 fixedly installed on the inner sides of the two heat-resistant layers 4, a galvanized layer 6 fixedly installed on the inner sides of the two insulation layers 5, a sleeve 7 with one end movably connected to the outer side of the left base tube 1 fixedly installed on the outer side of the right base tube 1, a sealing ring 8 with one end fixedly connected to the left side of the right base tube 1 and the other end tightly fitted to the right side of the left base tube 1 fixedly installed inside the sleeve 7.

[0024] The base tube 1 is made of carbon steel, the pressure-resistant layer 2 is made of polyethylene, the buffer layer 3 is made of silicone resin, the heat-resistant layer 4 is made of glass wool, and the insulation layer 5 is made of rock wool. When transporting steam, the galvanized layer 6 can prevent moisture in the steam from corroding the inner wall of the pipe, thereby achieving a corrosion-resistant effect, while the insulation layer 5 can lock the temperature of the steam transported by the pipe, the heat-resistant layer 4 can prevent the pipe from expanding and breaking due to heat when transporting steam, and the pressure-resistant layer 2 can make the pipe stronger, thereby extending the service life of the steam pipe.

[0025] Positioning grooves 9 are provided on the upper and lower sides of the left base tube 1. Positioning components 10 with one end extending to the inside of the two positioning grooves 9 are fixedly installed on the upper and lower sides of the sleeve 7. The positioning component 10 includes a shell 101. The upper and lower sides of the sleeve 7 are fixedly installed with shells 101. Sliders 102 are movably installed inside the two shells 101. The bottoms of the two slides 102 are fixedly installed with positioning wedge blocks 103 with one end extending to the inside of the two positioning grooves 9 respectively. The inner walls of the opposite sides of the two shells 101 are provided with A first through hole is adapted to the positioning wedge block 103, and a second through hole is provided on the upper and lower sides of the sleeve 7 to adapt to the positioning wedge block 103. The opposite sides of the two sliders 102 are fixedly installed with pull rods 104 with one end extending to the opposite sides of the two shells 101. The opposite sides of the two sliders 102 are fixedly installed with positioning springs 105 which are respectively located on the outside of the two pull rods 104 and one end is fixedly connected to the opposite inner walls of the two shells 101. The opposite sides of the two pull rods 104 are fixedly installed with pull rings 106.

[0026] Rectangular strip holes 11 are provided at the left ends of the front and rear sides of the inner wall of the sleeve 7. The left sides of the inner walls of the two rectangular strip holes 11 are both open. A connecting block 12 is movably installed between the upper and lower sides of the inner walls of the two rectangular strip holes 11, one end of which is fixedly connected to the outside of the left base tube 1 and the other end extends to the front and rear ends of the sleeve 7. Rectangular blocks 13 are fixedly installed at the front and rear ends of the sleeve 7, respectively, and are located on the right side of the two connecting blocks 12. A rectangular groove 14 is provided on the left side of the two rectangular blocks 13. A movable block 15 with one end extending to the left side of the two rectangular blocks 13 is movably installed inside the two rectangular grooves 14. The left sides of the two moving blocks 15 are hinged to a traction frame 16 with one end respectively sleeved on the outside of the two connecting blocks 12. The left sides of the inner walls of the two traction frames 16 are respectively fitted with the left sides of the two connecting blocks 12. The right sides of the two moving blocks 15 are fixedly installed with a threaded sleeve 17 with one end extending to the interior thereof. The interiors of the two threaded sleeves 17 are threadedly connected to a threaded rod 18 with one end extending to the right side thereof and movably connected to the right sides of the inner walls of the two rectangular grooves 14 respectively. A first bearing is fixedly installed on the right sides of the inner walls of the two rectangular grooves 14, and the threaded rod 18 is rotatably connected to the right side of the inner wall of the rectangular groove 14 through the first bearing.

[0027] The outer sides of the two threaded rods 18 are fixedly installed with one end movably connected to the inner walls of the opposite sides of the two rectangular grooves 14 and the other end extends to the opposite sides of the two rectangular blocks 13. The rotating assembly 19 includes a worm gear 191. The outer sides of the two threaded rods 18 are fixedly installed with worm gears 191 respectively located on the right side of the two moving blocks 15. The inner walls of the opposite sides of the two rectangular grooves 14 are movably installed with worms 192 respectively engaged with the two worm gears 191 and the other end extending to the opposite sides of the two rectangular blocks 13. The inner walls of the opposite sides of the rectangular grooves 14 are fixedly installed with second bearings located on the right side of the moving block 15. The worm 192 is rotatably connected to the inner wall of the rectangular groove 14 through the second bearing. The opposite sides of the two worms 192 are fixedly installed with hand-cranked turntables 193.

[0028] When in use, the right side of the left base tube 1 is inserted into the interior of the sleeve 7 until the right side of the connecting block 12 contacts the left side of the sleeve 7, and then the left base tube 1 is rotated and squeezed to the right. When the two connecting blocks 12 are aligned with the two rectangular holes 11 respectively, the two connecting blocks 12 are inserted into the interior of the two rectangular holes 11 respectively, and then the two traction frames 16 can be rotated to respectively cover the outside of the two connecting blocks 12, and then the two hand-cranked turntables 193 can be rotated to drive the two worm gears 192 The two threaded rods 18 rotate, and the two worm gears 191 drive the two threaded rods 18 to rotate. During the rotation process, the two threaded rods 18 drive the two moving blocks 15 and the two traction frames 16 to move rightward through the two threaded sleeves 17, thereby squeezing the two connecting blocks 12 to the right, and then driving the left base tube 1 to move rightward in the sleeve 7, so that the right side of the left base tube 1 is tightly fitted with the sealing ring 8, thereby improving the sealing of the connection, until the two positioning grooves 9 are respectively aligned with the two positioning wedge blocks 103 up and down. When the two base tubes 1 need to be disassembled, the two hand-cranked turntables 193 can be rotated in opposite directions to drive the two moving blocks 103 to move relative to each other. 15 and the two traction frames 16 move to the left, and then the two traction frames 16 can be rotated to move them away from the outside of the two connecting blocks 12 respectively, and then the two pull rings 106 can be pulled to drive the two sliders 102 and the two positioning wedge blocks 103 to move away from each other, so that the two positioning wedge blocks 103 are respectively moved out from the inside of the two positioning grooves 9, thereby releasing the fixation between the left base tube 1 and the sleeve 7. At this time, the left base tube 1 can be pulled out from the inside of the sleeve 7, thereby facilitating the disassembly operation between the two base tubes 1.

[0029] In summary, the corrosion-resistant and high-life steam pipe is manufactured by inserting the right side of the left base tube 1 into the interior of the sleeve 7 until the right side of the connecting block 12 contacts the left side of the sleeve 7, and then rotating and squeezing the left base tube 1 to the right. When the two connecting blocks 12 are aligned with the two rectangular bar holes 11 respectively, the two connecting blocks 12 will be inserted into the interior of the two rectangular bar holes 11 respectively, and then the two traction frames 16 can be rotated to respectively cover the outside of the two connecting blocks 12, and then the two hand-cranked turntables 193 can be rotated to drive the two worms 192 to rotate, and then the two threaded rods 18 are driven to rotate through the two worm gears 191, and the two threaded rods 18 will drive the two moving blocks 15 and the two traction frames 16 to move to the right through the two threaded sleeves 17 during the rotation process, so as to adjust the two The connecting block 12 is squeezed to the right, thereby driving the left base tube 1 to move to the right in the sleeve 7 until the two positioning grooves 9 are aligned with the two positioning wedge blocks 103 respectively. At this time, under the elastic force of the two positioning springs 105, the two sliders 102 and the two positioning wedge blocks 103 are driven to move relative to each other, so that the two positioning wedge blocks 103 are moved to the inside of the two positioning grooves 9 respectively, thereby fixing the two base tubes 1 together, that is, completing the connection between the two base tubes 1, and finally achieving the purpose of facilitating connection, thereby facilitating use for users, and solving the problem that in the prior art, when connecting steam pipes, bolts are usually used for connection, which not only requires alignment of the holes on the flange, but also requires external tools to tighten the bolts, which is cumbersome and not conducive to use.

[0030] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A corrosion-resistant and long-life steam pipe, comprising two base pipes (1) symmetrically distributed on the left and right sides, the inner sides of the two base pipes (1) are both provided with a pressure-resistant layer (2), the inner sides of the two pressure-resistant layers (2) are both provided with a buffer layer (3), the inner sides of the two buffer layers (3) are both provided with a heat-resistant layer (4), the inner sides of the two heat-resistant layers (4) are both provided with a heat-insulating layer (5), the inner sides of the two heat-insulating layers (5) are both provided with a galvanized layer (6), the outer side of the right base pipe (1) is provided with a sleeve (7) with one end movably connected to the outer side of the left base pipe (1), the inner side of the sleeve (7) is provided with a sealing ring (8) with one end fixedly connected to the left side of the right base pipe (1) and the other end tightly fitted to the right side of the left base pipe (1), characterized in that: The upper and lower sides of the base tube (1) on the left side are provided with positioning grooves (9), the upper and lower sides of the sleeve (7) are provided with positioning components (10) with one end extending to the inside of the two positioning grooves (9), and the left ends of the front and rear sides of the inner wall of the sleeve (7) are provided with rectangular strip holes (11). Between the upper and lower sides of the inner wall of the two rectangular strip holes (11), one end is fixedly connected to the outside of the left base tube (1) and the other end extends to the front and rear ends of the sleeve (7). The front and rear ends of the sleeve (7) are provided with rectangular blocks (13) respectively located on the right side of the two connecting blocks (12), and the left sides of the two rectangular blocks (13) are provided with rectangular grooves (14). The inside of the two rectangular grooves (14) is provided with one end extending to the two ends. A moving block (15) is provided on the left side of the rectangular block (13), and the left sides of the two moving blocks (15) are provided with a traction frame (16) with one end respectively sleeved on the outside of the two connecting blocks (12). The left sides of the inner walls of the two traction frames (16) are respectively fitted with the left sides of the two connecting blocks (12). The right sides of the two moving blocks (15) are provided with a threaded sleeve (17) with one end extending to the inside thereof. The insides of the two threaded sleeves (17) are provided with a threaded rod (18) with one end extending to the right side thereof and movably connected to the right sides of the inner walls of the two rectangular grooves (14). The outer sides of the two threaded rods (18) are provided with a rotating assembly (19) with one end movably connected to the inner walls of the opposite sides of the two rectangular grooves (14) and the other end extending to the opposite sides of the two rectangular blocks (13).

2. The corrosion-resistant and long-life steam pipe according to claim 1, characterized in that: The positioning assembly (10) includes a shell (101), the upper and lower sides of the sleeve (7) are fixedly mounted with the shell (101), the interior of the two shells (101) are movably mounted with sliders (102), the bottoms of the two sliders (102) are fixedly mounted with positioning wedge blocks (103) with one end extending to the inside of the two positioning grooves (9), the opposite sides of the two sliders (102) are fixedly mounted with pull rods (104) with one end extending to the opposite sides of the two shells (101), the opposite sides of the two sliders (102) are fixedly mounted with positioning springs (105) respectively located on the outside of the two pull rods (104) and one end of which is fixedly connected to the opposite inner walls of the two shells (101), and the opposite sides of the two pull rods (104) are fixedly mounted with positioning springs (105) respectively located on the outside of the two pull rods (104) and one end of which is fixedly connected to the opposite inner walls of the two shells (101), and the opposite sides of the two pull rods (104) are fixedly mounted with pull rings (106).

3. The corrosion-resistant and long-life steam pipe according to claim 1, characterized in that: The rotating assembly (19) includes a worm gear (191), and the outer sides of the two threaded rods (18) are fixedly mounted with worm gears (191) respectively located on the right sides of the two moving blocks (15). The inner walls of the opposite sides of the two rectangular slots (14) are movably mounted with worms (192) with one end respectively meshing with the two worm gears (191) and the other end respectively extending to the opposite sides of the two rectangular blocks (13). The opposite sides of the two worms (192) are fixedly mounted with hand-cranked turntables (193).

4. The corrosion-resistant and long-life steam pipe according to claim 2, characterized in that: First through holes adapted to the positioning wedge block (103) are provided on the inner walls of opposite sides of the two shells (101), and second through holes adapted to the positioning wedge block (103) are provided on the upper and lower sides of the sleeve (7).

5. The corrosion-resistant and long-life steam pipe according to claim 1, characterized in that: A first bearing is fixedly mounted on the right side of the inner wall of each of the two rectangular grooves (14), and the threaded rod (18) is rotatably connected to the right side of the inner wall of the rectangular groove (14) via the first bearing.

6. The corrosion-resistant and long-life steam pipe according to claim 3, characterized in that: A second bearing located on the right side of the moving block (15) is fixedly mounted on the inner walls of the two opposite sides of the rectangular grooves (14), and the worm (192) is rotatably connected to the inner wall of the rectangular groove (14) via the second bearing.

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