Heat transfer tube with multiple diversion trenches

Abstract

The utility model belongs to the technical field of heat transfer tubes, and particularly relates to a heat transfer tube with multiple diversion trenches, which comprises a heat transfer tube body, a lining tube is slidably connected to the inner side of the heat transfer tube body, the diversion trenches are arranged on the inner wall of the lining tube, a mounting ring is slidably connected to the inner side of the heat transfer tube body, and the mounting ring is in contact with the lining tube. And a locking pin is slidably connected to the interior of the mounting ring, the locking pin is connected with the heat transfer pipe body in an inserted mode, and a guide rod is fixedly connected to the interior of the mounting ring. The lining pipe is inserted into the inner side of the heat transfer pipe body, the flow guide grooves are formed in the inner wall of the lining pipe and used for increasing the contact area with a medium and improving the heat dissipation efficiency, the lining pipe can replace the heat transfer pipe body to make contact with the medium, and corrosion of the heat transfer pipe body is eradicated.

Description

Technical Field

[0001] The utility model relates to the technical field of heat transfer tubes, in particular to a heat transfer tube with multiple flow guide grooves. Background Art

[0002] Condenser heat transfer tubes are pipes used to transfer heat in the condenser and are typically made of metal materials such as copper and stainless steel. Their primary function is to condense high-temperature, high-pressure gas or steam into liquid, releasing heat to achieve energy conversion and cooling.

[0003] The utility model patent with publication number CN218627935U discloses a heat transfer heat pipe, including an installation heat transfer heat pipe, wherein the outer wall of the installation heat transfer heat pipe is penetrated by three installation channel openings, and multiple connecting through holes are connected between the three installation channel openings. A conduction component is arranged inside the installation channel opening, and a fixed branch pipe is fixedly connected to the inner wall of the installation channel opening. The outer wall of the fixed branch pipe is provided with an external thread, and the outer wall of the fixed branch pipe is fixedly sleeved with an installation collar; the patent facilitates the passage of a limiting insert through a connecting branch hole on the connecting collar, and at the same time, the adjustment block on the limiting insert prevents the limiting insert from moving on the connecting collar, thereby limiting the fixed branch pipe on the installation collar and the connecting branch pipe on the connecting collar, thereby reducing the looseness of the pipeline installation connection, accelerating the conduction speed of evaporation heat, and improving the use effect.

[0004] However, the existing heat transfer tubes have smooth walls, so the contact area between them and the medium is relatively fixed, the heat dissipation capacity is also relatively fixed, and they are easily corroded by the medium, resulting in a short service life. Therefore, improvements are needed. Utility Model Content

[0005] The purpose of the utility model is to provide a heat transfer tube with multiple guide grooves, which solves the problem that the contact area between the existing heat transfer tube and the medium is relatively fixed due to the smooth tube wall, and the heat dissipation capacity is also relatively fixed. At the same time, it solves the problem that the heat transfer tube is easily corroded by the medium and has a short service life.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a heat transfer tube with multiple guide grooves, comprising a heat transfer tube body, an inner lining tube being slidably connected to the inner side of the heat transfer tube body, an inner wall of the lining tube being provided with a plurality of guide grooves, an inner side of the heat transfer tube body being slidably connected to a mounting ring, the mounting ring being in contact with the inner lining tube, a locking pin being slidably connected to the inner side of the mounting ring, the locking pin being plugged into the heat transfer tube body, a guide rod being fixedly connected to the inner side of the mounting ring, the guide rod being slidably connected to the locking pin, a spring being provided on the inner side of the locking pin, a shift rod being fixedly connected to the pin body of the locking pin, an end of the shift rod being fixedly connected to a limiting block, an anti-slip block being slidably sleeved on the outer side of the shift rod, and the anti-slip block being slidably connected to the mounting ring.

[0007] Preferably, the inner wall of the heat transfer tube body is fixedly connected to a plurality of positioning ridges, and the outer wall of the inner liner tube is fixedly connected to a plurality of positioning grooves, and the positioning grooves are engaged with the positioning ridges. The arrangement of the positioning grooves and positioning ridges provides radial positioning for the inner liner tube when placed within the heat transfer tube body.

[0008] Preferably, a limiting ring is fixedly connected to the inner side of the heat transfer tube body, and the limiting ring contacts the inner liner tube. The setting of the limiting ring has an axial limiting effect on the inner liner tube when it is placed in the heat transfer tube body.

[0009] Preferably, the rod body of the guide rod is provided with a ball, and the ball is slidably connected to the inner surface of the locking pin. By providing the ball, the relative friction between the guide rod and the locking pin can be reduced.

[0010] Preferably, one end of the spring 1 is fixedly connected to the guide rod, and the other end of the spring 1 is fixedly connected to the inner surface of the locking pin. Through the arrangement of the spring 1, the elastic force can be applied to the locking pin.

[0011] Preferably, the anti-slip block is fixedly connected to a pull ring, and a bayonet is slidably connected to the interior of the anti-slip block. The bayonet is engaged with the mounting ring, and a second spring is provided inside the anti-slip block, one end of the second spring is fixedly connected to the bayonet, and the other end of the second spring is fixedly connected to the inner surface of the anti-slip block. The provision of the anti-slip block can lock the lever, thereby ensuring stable installation of the mounting ring.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] 1. The utility model inserts an inner liner tube into the inner side of the heat transfer tube body, and a plurality of guide grooves are provided on the inner wall of the inner liner tube to increase the contact area with the medium and improve the heat dissipation efficiency. In addition, the utility model can replace the heat transfer tube body in contact with the medium and prevent the corrosion of the heat transfer tube body. At the same time, the inner liner tube is radially positioned by positioning grooves and positioning ridges. In addition, fixed limiting rings and detachable mounting rings are provided on the inner side of the heat transfer tube body and at both ends of the inner liner tube for axial positioning of the inner liner tube.

[0014] 2. The utility model provides a locking pin that is retracted and extended by a spring in the mounting ring. Under the action of the spring, the locking pin is inserted into the inner wall of the heat transfer tube body. Then, a lever is provided on the pin body of the locking pin. In this way, the mounting ring can be disassembled and assembled simply by controlling the engagement and disengagement of the locking pin and the heat transfer tube body through the lever, thereby facilitating the disassembly and replacement of the liner tube. In addition, an anti-slip block is provided on the lever, which can lock the lever, thereby ensuring stable installation of the mounting ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the heat transfer tube body of the present utility model;

[0017] Figure 3 This is a schematic diagram of the inner liner pipe structure of the present utility model;

[0018] Figure 4 For the utility model Figure 1 Front cross-sectional view of

[0019] Figure 5 For the utility model Figure 4 A magnified view of the structure at point A.

[0020] In the figure: 1. Heat transfer tube body; 101. Positioning rib; 2. Lining tube; 201. Positioning groove; 3. Limiting ring; 4. Mounting ring; 5. Locking pin; 6. Guide rod; 7. Ball bearing; 8. Spring 1; 9. Push rod; 10. Limiting block; 11. Anti-slip block; 12. Pull ring; 13. Bayonet; 14. Spring 2. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-5 A heat transfer tube with multiple guide grooves includes a heat transfer tube body 1, an inner liner tube 2 being slidably connected to the inner side of the heat transfer tube body 1, and a plurality of guide grooves being formed on the inner wall of the inner liner tube 2. A mounting ring 4 is slidably connected to the inner side of the heat transfer tube body 1, the mounting ring 4 being in contact with the inner liner tube 2, a locking pin 5 being slidably connected to the inner side of the mounting ring 4, and the locking pin 5 being plugged into the heat transfer tube body 1, a guide rod 6 being fixedly connected to the inner side of the mounting ring 4, the guide rod 6 being slidably connected to the locking pin 5, a ball bearing 7 being provided on the rod body of the guide rod 6, and the ball bearing 7 being slidably connected to the inner surface of the locking pin 5. The provision of the ball bearing 7 can reduce the relative friction between the guide rod 6 and the locking pin 5, and a spring 8 is provided on the inner side of the locking pin 5, one end of the spring 8 being fixedly connected to the guide rod 6, and the other end of the spring 8 being fixedly connected to the inner surface of the locking pin 5. The provision of the spring 8 can apply an elastic force to the locking pin 5.

[0023] See also Figure 1-4The inner wall of the heat transfer tube body 1 is fixedly connected to a plurality of positioning ridges 101, and the outer wall of the inner liner tube 2 is fixedly connected to a plurality of positioning grooves 201, which engage with the positioning ridges 101. The arrangement of the positioning grooves 201 and the positioning ridges 101 provides radial positioning for the inner liner tube 2 when placed within the heat transfer tube body 1. A limiting ring 3 is fixedly connected to the inner side of the heat transfer tube body 1, and the limiting ring 3 contacts the inner liner tube 2. The provision of the limiting ring 3 provides axial positioning for the inner liner tube 2 when placed within the heat transfer tube body 1.

[0024] See also Figure 4-5 The locking pin 5 is fixedly connected to a lever 9, the end of which is fixedly connected to a limit block 10. An anti-slip block 11 is slidably sleeved on the outer side of the lever 9, and the anti-slip block 11 is slidably connected to the mounting ring 4. A pull ring 12 is fixedly connected to the anti-slip block 11, and a latch 13 is slidably connected to the interior of the anti-slip block 11, which is engaged with the mounting ring 4. A second spring 14 is provided inside the anti-slip block 11, one end of which is fixedly connected to the latch 13, and the other end of which is fixedly connected to the inner surface of the anti-slip block 11. The provision of the anti-slip block 11 allows the lever 9 to be locked, thereby ensuring the stable installation of the mounting ring 4.

[0025] The specific implementation process of the present invention is as follows: when in use, first put the inner lining tube 2 into the heat transfer tube body 1, and perform radial positioning through the positioning groove 201 and the positioning ridge 101 until the end of the inner lining tube 2 contacts the limit ring 3, and then put the installation ring 4 into the inner side of the heat transfer tube body 1 and located at the other end of the inner lining tube 2, and control the locking pin 5 through the lever 9 so that the locking pin 5 is inserted into the inner wall of the heat transfer tube body 1, thus completing the installation of the inner lining tube 2. A plurality of guide grooves are provided on the inner wall of the inner lining tube 2 to increase the contact area with the medium and improve the heat dissipation efficiency. It can also replace the contact between the heat transfer tube body 1 and the medium, eliminate the corrosion of the heat transfer tube body 1, and increase the service life. In addition, the anti-slip block 11 is inserted into the installation ring 4 to lock the lever 9, thereby ensuring the stable installation of the installation ring 4.

[0026] 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 heat transfer tube with multiple flow guide grooves, comprising a heat transfer tube body (1), characterized in that: The inner side of the heat transfer tube body (1) is slidably connected to an inner lining tube (2), and a plurality of guide grooves are provided on the inner wall of the inner lining tube (2). The inner side of the heat transfer tube body (1) is slidably connected to an installation ring (4), and the installation ring (4) contacts the inner lining tube (2). The interior of the installation ring (4) is slidably connected to a locking pin (5), and the locking pin (5) is plugged into the heat transfer tube body (1). The interior of the installation ring (4) is fixedly connected to a guide rod (6), and the guide rod (6) is slidably connected to the locking pin (5). A spring (8) is provided on the inner side of the locking pin (5). A shift rod (9) is fixedly connected to the pin body of the locking pin (5), and the end of the shift rod (9) is fixedly connected to a limiting block (10). The outer side of the shift rod (9) is slidably sleeved with an anti-slip block (11), and the anti-slip block (11) is slidably connected to the installation ring (4).

2. The heat transfer tube with multiple flow guide grooves according to claim 1, characterized in that: The inner wall of the heat transfer tube body (1) is fixedly connected with a plurality of positioning ridges (101), and the outer wall of the inner lining tube (2) is fixedly connected with a plurality of positioning grooves (201), and the positioning grooves (201) are snap-fitted with the positioning ridges (101).

3. The heat transfer tube with multiple flow guide grooves according to claim 1, characterized in that: A limiting ring (3) is fixedly connected to the inner side of the heat transfer tube body (1), and the limiting ring (3) is in contact with the inner lining tube (2).

4. The heat transfer tube with multiple flow guide grooves according to claim 1, characterized in that: A ball (7) is provided on the rod body of the guide rod (6), and the ball (7) is slidably connected to the inner surface of the locking pin (5).

5. The heat transfer tube with multiple flow guide grooves according to claim 1, characterized in that: One end of the spring (8) is fixedly connected to the guide rod (6), and the other end of the spring (8) is fixedly connected to the inner surface of the locking pin (5).

6. The heat transfer tube with multiple flow guide grooves according to claim 1, characterized in that: The anti-slip block (11) is fixedly connected with a pull ring (12), the interior of the anti-slip block (11) is slidably connected with a bayonet (13), the bayonet (13) is engaged with the mounting ring (4), and a second spring (14) is provided inside the anti-slip block (11), one end of the second spring (14) is fixedly connected with the bayonet (13), and the other end of the second spring (14) is fixedly connected to the inner surface of the anti-slip block (11).

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