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CN-224215928-U - Anti-collapse heat exchanger fin structure

CN224215928UCN 224215928 UCN224215928 UCN 224215928UCN-224215928-U

Abstract

The utility model relates to the technical field of heat exchanger fins, in particular to an anti-collapse heat exchanger fin structure, which comprises a heat exchange base pipe, wherein fixed fins are fixed on the outer side of the middle part of the heat exchange base pipe, a plurality of movable fins are connected on the outer sides of the two ends of the middle part of the heat exchange base pipe in an equidistant sliding manner, the fixed fins and the movable fins are the same in size and shape, and a protection assembly capable of limiting the positions of the movable fins on the heat exchange base pipe is arranged on the outer side of the heat exchange base pipe. According to the utility model, the plurality of protection rods are uniformly arranged on the outer sides of the plurality of fins on the traditional heat exchange base pipe, the two ends of each protection rod are fixedly arranged at the end parts of the heat exchange base pipe, the arc-shaped notch on the outer side of each protection rod is clamped at the edge of each fin to protect the outer side of each fin, and meanwhile, the plurality of protection rods can improve the structural strength of the plurality of fins arranged on the heat exchange base pipe, so that the fins are effectively prevented from collapsing due to accidental extrusion collision, and the collapse resistance of the fins is improved to a certain extent.

Inventors

  • ZHANG MIN
  • ZHANG CHAO

Assignees

  • 扬州睿云精密机械有限公司

Dates

Publication Date
20260508
Application Date
20250528

Claims (7)

  1. 1. A collapse resistant heat exchanger fin structure comprising: The heat exchange tube comprises a heat exchange base tube (100), wherein a fixed fin (110) is fixed on the outer side of the heat exchange base tube (100), a plurality of movable fins (120) are connected on the outer side of the heat exchange base tube (100) in a sliding mode, and connecting ropes (121) are fixed between two adjacent movable fins (120) and between the fixed fin (110) and the movable fins (120); the protection assembly (200) is arranged on the outer side of the heat exchange base pipe (100), the protection assembly (200) comprises two rotating rings (210) which are rotationally connected with the heat exchange base pipe (100), a plurality of fixing blocks (220) are fixed on the outer side of each rotating ring (210), protection rods (230) are detachably arranged between the two fixing blocks (220) in a relative arrangement mode, and the protection rods (230) can limit the positions of the movable fins (120) on the heat exchange base pipe (100); The oil immersion assembly (300) is detachably sleeved on the outer side of the heat exchange base pipe (100), the oil immersion assembly (300) comprises two semicylindrical shells (310) which are matched and spliced, and a connecting pipe (320) is fixedly connected to the outer side of the semicylindrical shells (310).
  2. 2. The fin structure of the collapse resistant heat exchanger according to claim 1, wherein a connection flange is fixed to an end of the connection pipe (320) facing away from the semi-cylindrical shell (310), the connection flange being for connecting the connection pipe (320) with a pipe for externally conveying fin oil.
  3. 3. The fin structure of the collapse resistant heat exchanger according to claim 1, wherein both ends of the heat exchange base pipe (100) are provided with rotating grooves (130), and the rotating ring (210) is rotatably connected with the rotating grooves (130).
  4. 4. The fin structure of the collapse resistant heat exchanger according to claim 1, wherein the four corners of the semi-cylindrical shell (310) are each fixed with a connection lug (330), and bolts are detachably fixed between two adjacent connection lugs (330).
  5. 5. The fin structure of a collapse resistant heat exchanger according to claim 1 or 4, wherein a gasket (340) is fixedly socket-fitted to the opening of the semi-cylindrical shell (310).
  6. 6. The fin structure of the collapse resistant heat exchanger according to claim 1, wherein both ends of the guard bar (230) are fixed with connection blocks (232), and a stud (240) is screwed between the connection blocks (232) and the fixing blocks (220).
  7. 7. The fin structure of a collapse resistant heat exchanger according to claim 6, wherein a plurality of arc-shaped notches (231) are formed at equal intervals on the outer side of the shielding rod (230), and the arc-shaped notches (231) are used for limiting the positions of the movable fins (120).

Description

Anti-collapse heat exchanger fin structure Technical Field The utility model relates to the technical field of heat exchanger fins, in particular to an anti-collapse heat exchanger fin structure. Background The fin type heat exchanger is a heat exchange device widely used in gas and liquid heat exchangers, the purpose of enhancing heat transfer is achieved by additionally installing fins on heat exchange base pipes such as stainless steel pipes, copper pipes and the like, at present, most of fins are lack of protection structures outside, in the installation process, if the fins are subjected to improper extrusion or collision, the fins are easy to deform or collapse, sometimes in order to prevent the surfaces of the fins from being corroded by corrosive media, the thickness of the fins is corroded and thinned, the bearing capacity is reduced, fin oil is generally coated on the fins, but most of fin structure designs are inconvenient to carry out fin oil coating. Disclosure of utility model The utility model aims to provide a collapse-resistant heat exchanger fin structure so as to solve the problems in the background art. In order to achieve the above purpose, the present utility model provides the following technical solutions: a collapse resistant heat exchanger fin structure comprising: The heat exchange base pipe is characterized in that a fixed fin is fixed on the outer side of the heat exchange base pipe, a plurality of movable fins are connected to the outer side of the heat exchange base pipe in a sliding mode, and connecting ropes are fixed between two adjacent movable fins and between the fixed fin and the movable fin; The protection assembly is arranged on the outer side of the heat exchange base pipe and comprises two rotating rings which are both in rotating connection with the heat exchange base pipe, a plurality of fixing blocks are fixed on the outer side of the rotating rings, protection rods are detachably arranged between the two fixing blocks in opposite arrangement, and the protection rods can limit the positions of the movable fins on the heat exchange base pipe; The oil immersion assembly is detachably sleeved on the outer side of the heat exchange base pipe and comprises two semicylindrical shells which are matched and spliced, and a connecting pipe is fixedly connected to the outer side of each semicylindrical shell in a communicating mode. The fin oil tube is characterized in that one end of the connecting tube, which is far away from the semi-cylindrical shell, is fixedly provided with a connecting flange, and the connecting flange is used for connecting the connecting tube with an external pipeline for conveying fin oil. The heat exchange base tube is characterized in that two ends of the heat exchange base tube are provided with rotating grooves, and the rotating ring is connected with the rotating grooves in a rotating mode. The semi-cylindrical shell is characterized in that four corners of the semi-cylindrical shell are respectively fixed with a connecting lug, and bolts are detachably fixed between two adjacent connecting lugs. Further characterized in that a sealing gasket is sleeved and fixed at the opening of the semi-cylindrical shell. The protective rod is characterized in that connecting blocks are fixed at two ends of the protective rod, and studs are connected between the connecting blocks and the fixed blocks in a screwed mode. The movable fin is characterized in that a plurality of arc-shaped notches are formed in the outer side of the protective rod at equal intervals, and the arc-shaped notches are used for limiting the positions of the movable fins. Compared with the prior art, the utility model has the beneficial effects that: 1. The plurality of protection rods are arranged at the periphery of the heat exchange base tube in an annular equal angle manner, the outer side of each protection rod is provided with an arc notch, and the arc notch can be clamped to the edge of a fin (comprising a fixed fin and a movable fin) at the corresponding position, so that the plurality of protection rods support and protect the outer sides of the plurality of fins, the fins are effectively prevented from deforming and collapsing due to collision or extrusion, and the structural strength and collapse resistance of the fins are improved. 2. Through sliding a plurality of movable fins to fixed fin direction, make a plurality of fins arrange in the middle of heat exchange base pipe outside in the middle part, then cup joint two semicylindrical shells and fix a plurality of fin outsides at the heat exchange base pipe, through the connecting pipe to the cylindric barrel inside injection prior art fin oil that two semicylindrical shells make up, thereby make a plurality of fins dip-dye and carry out the fat liquoring protection in fin oil, later, rethread connecting pipe draws off cylindric barrel, thereby realize simultaneously improving its corrosion resistance for a plurality of