Pipe fitting with inner rifling
By setting helical rifling and transverse helical blades inside the heat dissipation tube, a stable helical flow is formed, which solves the problems of low flow efficiency and difficult maintenance of traditional heat dissipation finned tubes, and realizes efficient heat transfer and convenient disassembly and cleaning.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-03-24
AI Technical Summary
The fluid flow pattern of traditional finned heat exchange tubes results in low heat exchange efficiency. Traditional turbulence structures are prone to scaling and difficult to maintain. Fixed mixers cannot be disassembled, and cleaning and replacement costs are high.
Design a pipe fitting with internal rifling, featuring internal helical rifling and transverse helical blades, allowing fluid to form a stable helical flow within the pipe. The support column and helical blades are detachable for easy cleaning and replacement.
It significantly increases the contact area and time between the fluid and the pipe wall, improves heat transfer efficiency, solves the problems of easy scaling and maintenance in traditional structures, and enables efficient cleaning and flexible replacement.
Smart Images

Figure CN224034460U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of the heat dissipation pipe, and particularly relates to a pipe with internal rifling. BACKGROUND
[0002] The heat dissipation finned pipe is a kind of high-efficiency heat transfer element widely used in heat exchange equipment, which enhances heat dissipation performance by expanding heat transfer surface area, is composed of base pipe and fin on the outside, greatly increases the outer surface area of base pipe through fin, makes heat transfer from pipe fluid to external environment faster, and improves heat exchange efficiency;
[0003] The flow mode of fluid in pipe directly affects heat exchange efficiency, the traditional smooth inner wall pipe is in laminar or turbulent flow state, the contact time of fluid and pipe wall is short, which leads to limited heat exchange efficiency, the traditional turbulence structure only locally enhances turbulent flow, cannot make fluid form stable spiral flow, and heat exchange area is not obviously increased, and fixed turbulence structure or mixer cannot be disassembled, once blocked or scaled, cleaning and replacement cost is high, therefore, the utility model provides a kind of pipe with internal rifling for providing another technical scheme for the above technical problems. CONTENT OF UTILITY MODEL
[0004] The utility model aims at providing a kind of pipe with internal rifling to solve the problems of existing technology in use in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of pipe with internal rifling, including transverse heat exchange pipe, the top of the transverse heat exchange pipe is uniformly fixed with a plurality of circular heat dissipation fins, the both ends of the transverse heat exchange pipe are provided with circular connecting pipe, and the end of the circular connecting pipe away from the transverse heat exchange pipe is fixed with circular flange sheet;
[0006] The inside of the transverse heat exchange pipe is uniformly provided with a plurality of spiral rifling, the inside of the transverse heat exchange pipe is provided with detachable transverse support column, the outside of the transverse support column is provided with transverse spiral blade, and the both ends in the transverse support column are provided with dismounting mechanism.
[0007] Preferably, the dismounting mechanism includes circular rotary piece, the inside of the circular rotary piece is rotatably connected with transverse support column, one end of the circular rotary piece is fixed with transverse light pole, one end of the transverse light pole is fixed with transverse screw rod, the outside of the transverse screw rod is threadedly connected with circular slider, the outside of the circular slider is uniformly fixed with a plurality of Z-shaped transverse plates, the top of one end of the Z-shaped transverse plate is rotatably connected with oblique rotating column, one end of the oblique rotating column is rotatably connected with vertical circular sliding pipe, the inside of the vertical circular sliding pipe is slidably connected with circular limiting column, and the side of the circular limiting column close to the transverse support column is fixedly connected with the transverse support column.
[0008] Preferably, the interior of the circular rotating piece is provided with an internal hexagonal groove, the outer side of the circular rotating piece is fixed with a circular rotating block, the interior of the transverse support column is provided with a circular rotating groove matched with the circular rotating block, and the circular rotating piece and the transverse support column are rotationally connected through cooperation of the circular rotating block and the circular rotating groove.
[0009] Preferably, the interior of the vertical circular sliding pipe is provided with a vertical through groove, and the circular limiting column is located in the interior of the vertical through groove and is slidingly connected with the vertical circular sliding pipe through the vertical through groove.
[0010] Preferably, the interior of the circular connecting pipe is provided with a circular limiting hole matched with the vertical circular sliding pipe in a clearance fit.
[0011] Preferably, the outer side of the circular sliding block is fixed with a dovetail sliding block, the interior of the transverse support column is provided with a dovetail sliding groove, and the circular sliding block and the transverse support column are slidingly connected through cooperation of the dovetail sliding groove and the dovetail sliding block.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] The utility model discloses a series of designs, set up helical rifling and transverse spiral blade in the interior of transverse heat exchange pipe, force fluid to form stable spiral flow, greatly increase the contact area and contact time of fluid and the inner wall of transverse heat exchange pipe, effectively destroy laminar bottom layer, improve heat transfer efficiency, without special tool can dismantle transverse support column and transverse spiral blade, convenient to clean or replace, solve the pain point that traditional fixed type mixer is easy to scale and difficult to maintain, can change the transverse spiral blade of different pitch according to specific use condition. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the whole structure schematic view of the utility model;
[0015] Figure 2 It is the structure schematic view of transverse heat exchange pipe and circular heat dissipation fin of the utility model;
[0016] Figure 3 It is the structure schematic view of transverse support column and transverse spiral blade of the utility model;
[0017] Figure 4 It is the structure schematic view of circular connecting pipe and circular flange sheet of the utility model;
[0018] Figure 5 It is the structure schematic view of circular limiting column and vertical circular sliding pipe of the utility model;
[0019] Figure 6 It is the structure schematic view of the interior of transverse support column;
[0020] Figure 7 It is the structure schematic view of the horizontal screw rod and the circular slide block of the utility model.
[0021] Figure 8 It is the structure schematic view of the Z-shaped horizontal plate and the circular slide block of the utility model.
[0022] In the figure: 1, horizontal heat exchange pipe; 2, circular heat dissipation fin; 3, circular connecting pipe; 4, circular flange sheet; 5, horizontal support column; 6, horizontal spiral blade; 7, circular limiting column; 8, vertical circular slide pipe; 9, oblique rotating column; 10, Z-shaped horizontal plate; 11, circular slide block; 12, horizontal screw rod; 13, horizontal light pole; 14, circular rotating part. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0024] Referring to Figures 1-8 A pipe with inner bore line, including horizontal heat exchange pipe 1, the top of horizontal heat exchange pipe 1 is uniformly fixed with multiple circular heat dissipation fins 2, both ends of horizontal heat exchange pipe 1 are provided with circular connecting pipe 3, and the end of circular connecting pipe 3 away from horizontal heat exchange pipe 1 is fixed with circular flange sheet 4.
[0025] Multiple spiral bore lines are uniformly arranged in the inside of horizontal heat exchange pipe 1, and the inside of horizontal heat exchange pipe 1 is provided with detachable horizontal support column 5, and the outside of horizontal support column 5 is provided with horizontal spiral blade 6, so that the liquid passing through the inside of horizontal heat exchange pipe 1 can move in spiral in the inside of horizontal heat exchange pipe 1, so that the liquid can better contact with the inner wall of horizontal heat exchange pipe 1, improve the travel of liquid, improve the heat exchange efficiency, and both ends of horizontal support column 5 are provided with dismounting mechanism.
[0026] The dismounting mechanism comprises a circular rotating piece 14, a transverse supporting column 5 is rotatably connected to the inside of the circular rotating piece 14, a transverse light pole 13 is fixed to one end of the circular rotating piece 14, a transverse threaded rod 12 is fixed to one end of the transverse light pole 13, a circular sliding block 11 is threadedly connected to the outside of the transverse threaded rod 12, a plurality of Z-shaped transverse plates 10 are uniformly fixed to the outside of the circular sliding block 11, an oblique rotating column 9 is rotatably connected to the top of one end of the Z-shaped transverse plate 10, a vertical circular sliding pipe 8 is rotatably connected to one end of the oblique rotating column 9, a circular limiting column 7 is slidably connected to the inside of the vertical circular sliding pipe 8, one side of the circular limiting column 7 close to the transverse supporting column 5 is fixedly connected with the transverse supporting column 5;
[0027] An internal hexagonal groove is formed in the inside of the circular rotating piece 14, a circular rotating block is fixed to the outside of the circular rotating piece 14, a circular rotating groove adapted to the circular rotating block is formed in the inside of the transverse supporting column 5, the circular rotating piece 14 is rotatably connected with the transverse supporting column 5 through the cooperation of the circular rotating block and the circular rotating groove, a hexagonal wrench is used to enable the circular rotating piece 14 to rotate in the inside of the transverse supporting column 5, the rotation of the circular rotating piece 14 enables the transverse light pole 13 to rotate in the inside of the transverse supporting column 5, and further enables the transverse threaded rod 12 to rotate;
[0028] A vertical through groove is formed in the inside of the vertical circular sliding pipe 8, the circular limiting column 7 is located in the inside of the vertical through groove and is slidably connected with the vertical circular sliding pipe 8 through the vertical through groove, the vertical through groove is arranged to enable the vertical circular sliding pipe 8 to vertically slide outside the circular limiting column 7;
[0029] A circular limiting hole is formed in the inside of the circular connecting pipe 3 and is in clearance fit with the vertical circular sliding pipe 8, the circular limiting hole is arranged to enable the vertical circular sliding pipe 8 to enter the inside of the circular connecting pipe 3, and further enable the vertical circular sliding pipe 8 to limit the movement of the transverse supporting column 5 in the inside of the transverse heat exchange pipe 1, and further enable the transverse spiral blade 6 to be installed to the inside of the transverse heat exchange pipe 1;
[0030] A dovetail sliding block is fixed to the outside of the circular sliding block 11, a dovetail sliding groove is formed in the inside of the transverse supporting column 5, the circular sliding block 11 is slidably connected with the transverse supporting column 5 through the cooperation of the dovetail sliding groove and the dovetail sliding block, the dovetail sliding groove and the dovetail sliding block are arranged to enable the circular sliding block 11 to horizontally move in the inside of the transverse supporting column 5, the horizontal movement of the circular sliding block 11 enables the Z-shaped transverse plate 10 to move, and the movement of the Z-shaped transverse plate 10 enables the vertical circular sliding pipe 8 to vertically slide outside the circular limiting column 7 through the oblique rotating column 9.
[0031] Here, the hexagonal wrench is used to rotate the circular rotating part 14, the rotation of the circular rotating part 14 enables the horizontal light rod 13 to rotate inside the horizontal support column 5, the rotation of the horizontal light rod 13 enables the horizontal threaded rod 12 to rotate, the rotation of the horizontal threaded rod 12 enables the circular slider 11 to move horizontally inside the horizontal support column 5, the horizontal movement of the circular slider 11 enables the Z-shaped horizontal plate 10 to move horizontally inside the horizontal support column 5, the horizontal movement of the Z-shaped horizontal plate 10 enables the vertical circular sliding pipe 8 to slide vertically outside the circular limiting column 7 through the inclined rotating column 9, and the sliding of the vertical circular sliding pipe 8 enables the vertical circular sliding pipe 8 to limit the movement of the horizontal support column 5 inside the horizontal heat exchange pipe 1 after entering the circular connecting pipe 3 inside the circular limiting hole.
[0032] Working principle: The spiral rifling and the horizontal spiral blade 6 are arranged to enable the liquid inside the horizontal heat exchange pipe 1 to move in a spiral manner inside the horizontal heat exchange pipe 1, so that the liquid can better contact the inner wall of the horizontal heat exchange pipe 1, improve the travel of the liquid, and improve the heat exchange efficiency.
[0033] When the horizontal support column 5 and the horizontal spiral blade 6 need to be disassembled, the hexagonal wrench is used to rotate the circular rotating part 14, the rotation of the circular rotating part 14 enables the horizontal light rod 13 to rotate inside the horizontal support column 5, the rotation of the horizontal light rod 13 enables the horizontal threaded rod 12 to rotate, the rotation of the horizontal threaded rod 12 enables the circular slider 11 to move horizontally inside the horizontal support column 5, the horizontal movement of the circular slider 11 enables the Z-shaped horizontal plate 10 to move horizontally inside the horizontal support column 5, the horizontal movement of the Z-shaped horizontal plate 10 enables the vertical circular sliding pipe 8 to slide vertically outside the circular limiting column 7 through the inclined rotating column 9, and the sliding of the vertical circular sliding pipe 8 enables the vertical circular sliding pipe 8 to limit the movement of the horizontal support column 5 inside the horizontal heat exchange pipe 1 after entering the circular connecting pipe 3 inside the circular limiting hole, and when the vertical circular sliding pipe 8 moves out of the circular limiting hole, the horizontal support column 5 can be disassembled inside the horizontal heat exchange pipe 1.
[0034] The spiral rifling and the horizontal spiral blade 6 are arranged inside the horizontal heat exchange pipe 1, which forces the fluid to form a stable spiral flow, greatly increases the contact area and contact time of the fluid with the inner wall of the horizontal heat exchange pipe 1, effectively destroys the laminar flow bottom layer, improves the heat transfer efficiency, and without special tools, the horizontal support column 5 and the horizontal spiral blade 6 can be disassembled for cleaning or replacement, solving the pain points of traditional fixed mixers that are easy to scale and difficult to maintain, and different pitch horizontal spiral blades 6 can be replaced according to specific use conditions.
[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A pipe fitting with internal rifling, characterized in that: It includes a transverse heat exchange tube (1), and a plurality of circular heat dissipation fins (2) are evenly distributed and fixed on the top of the transverse heat exchange tube (1). Circular connecting pipes (3) are provided at both ends of the transverse heat exchange tube (1), and a circular flange (4) is fixed at the end of the circular connecting pipe (3) away from the transverse heat exchange tube (1). The interior of the transverse heat exchange tube (1) is evenly provided with multiple spiral rifling grooves. The interior of the transverse heat exchange tube (1) is provided with a detachable transverse support column (5). The outer side of the transverse support column (5) is provided with transverse spiral blades (6). Both ends of the interior of the transverse support column (5) are provided with disassembly mechanisms.
2. A pipe fitting with an internal rifling according to claim 1, characterized in that: The disassembly mechanism includes a circular rotating component (14), with a transverse support column (5) rotatably connected inside the circular rotating component (14). A transverse smooth rod (13) is fixed to one end of the circular rotating component (14), and a transverse threaded rod (12) is fixed to one end of the transverse smooth rod (13). A circular slider (11) is threadedly connected to the outer side of the transverse threaded rod (12). Multiple Z-shaped transverse plates (10) are evenly distributed and fixed to the outer side of the circular slider (11). An oblique rotating column (9) is rotatably connected to the top of one end of the Z-shaped transverse plate (10). A vertical circular slide tube (8) is rotatably connected to one end of the oblique rotating column (9). A circular limiting column (7) is slidably connected inside the vertical circular slide tube (8). The circular limiting column (7) is located on the side close to the transverse support column (5) and is fixedly connected to the transverse support column (5).
3. A pipe fitting with an internal rifling according to claim 2, characterized in that: The circular rotating component (14) has an internal hexagonal groove inside, and a circular rotating block is fixed on the outside of the circular rotating component (14). The transverse support column (5) has a circular rotating groove inside that is adapted to the circular rotating block. The circular rotating component (14) and the transverse support column (5) are rotatably connected by the cooperation of the circular rotating block and the circular rotating groove.
4. A pipe fitting with an internal rifling according to claim 2, characterized in that: The vertical circular slide tube (8) has a vertical through groove inside, and the circular limiting post (7) is located inside the vertical through groove and is slidably connected to the vertical circular slide tube (8) through the vertical through groove.
5. A pipe fitting with an internal rifling according to claim 2, characterized in that: The circular connecting tube (3) has a circular limiting hole inside that fits with the vertical circular slide tube (8) with a clearance.
6. A pipe fitting with an internal rifling according to claim 2, characterized in that: The circular slider (11) is fixed with a dovetail slider on its outer side, and the transverse support column (5) is provided with a dovetail groove inside. The circular slider (11) and the transverse support column (5) are slidably connected by the dovetail groove and the dovetail slider.