CN112797835B

CN112797835B - Heat exchanger fin

Info

Publication number: CN112797835B
Application number: CN202110015857.0A
Authority: CN
Inventors: 杨勰石
Original assignee: Changzhou Sanzhi Heat Exchanger Co ltd
Current assignee: Changzhou Sanzhi Heat Exchanger Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2022-08-23
Anticipated expiration: 2041-01-07
Also published as: CN112797835A

Abstract

The invention discloses a heat exchanger fin, comprising: the heat exchange tube is characterized in that a fixing block is sleeved on the periphery of one end of the heat exchange tube, an installation ring is sleeved on the periphery of the heat exchange tube and abuts against the fixing block, a plurality of spring grooves are formed in the installation ring, one end of each spring is connected to the inner wall of one side, close to the center, of each spring groove, the other end of each spring is connected with an installation block, the installation blocks are clamped into the spring grooves in a convex mode, installation grooves are formed in the inner walls of two sides of each installation groove, a fin installation fixture block is clamped into the installation grooves, fin installation convex points are arranged on two sides of each fin installation fixture block and are clamped with the installation grooves, fins extend out of the periphery of each fin installation fixture block, the situation that local fins are bent due to extrusion or impact is reduced by arranging the installation blocks and the springs, a first half piece and a second half piece are arranged to facilitate installation and removal of the fins, and after the local fins are bent due to extrusion or impact, can change local fin, reduce cost expenditure.

Description

Heat exchanger fin

Technical Field

The invention relates to the technical field of fins, in particular to a heat exchanger fin.

Background

The finned heat exchanger is one of the most widely used heat exchange devices in gas and liquid heat exchangers. The purpose of heat transfer enhancement is achieved by additionally arranging fins on a common base pipe. The base pipe can be a steel pipe; a stainless steel tube; copper tubing, and the like. The fins can also be made of steel strips; stainless steel belts, copper belts, aluminum belts, and the like. The fin type heat exchanger adopts mechanical winding fins, the contact surface of the radiating fins and the radiating pipe is large and tight, the heat transfer performance is good and stable, the air passing resistance is small, steam or hot water flows through the inside of the steel pipe, and heat is transferred to the air passing through the fins by the fins tightly wound on the steel pipe, so that the air heating and cooling effects are achieved.

To the inside heat exchanger fin that uses of water tank, because be welded fastening between traditional fin heat exchanger fin and the parent tube, if local fin is because of receiving the extrusion or striking to cause the back of buckling, the heat transfer effect will receive the influence to can only change whole heat exchange tube, cause the waste to the material.

Disclosure of Invention

The invention aims to provide a heat exchanger fin, which reduces the occurrence of bending of a local fin caused by extrusion or impact, and can replace the local fin after the local fin is bent caused by extrusion or impact, thereby saving materials and reducing cost expenditure.

The technical scheme adopted by the invention to solve the technical problem is as follows: a heat exchanger fin, comprising: the heat exchange tube, the peripheral cover of heat exchange tube one end is equipped with the fixed block, the peripheral cover of heat exchange tube is equipped with the collar, the collar offsets with the fixed block, a plurality of spring grooves have been seted up to the collar, the spring groove is close to central one side inner wall connection has spring one end, the spring other end is connected with the installation piece, the installation piece is protruding type card income spring inslot, the mounting groove has been seted up in the installation piece, mounting groove has been seted up on the inner wall of mounting groove both sides, the card is gone into in the mounting groove has fin installation fixture block, fin installation fixture block both sides are provided with fin installation bump, fin installation bump and the mutual block of mounting groove, fin installation fixture block peripheral extension has the fin.

In a further embodiment, the fin includes a first half and a second half, each of the first half and the second half having a semicircular shape.

In a further embodiment, a first opening is formed at one end of the first half on the straight line side, and a second opening is formed at a position of the second half corresponding to the first opening.

In a further embodiment, an elastic transverse plate is installed on the side wall of the first opening, a triangular block is connected to the upper surface of the elastic transverse plate, a first elastic cavity is formed between the elastic transverse plate and the lower surface of the first opening, a first elastic column is installed in the first elastic cavity, and the first elastic column is connected with the elastic transverse plate and the lower surface of the first opening.

In a further embodiment, an elastic inclined plate is installed on the wall of the second opening, one end of the elastic inclined plate is connected with a pressing block, a second elastic cavity is formed between the elastic inclined plate and the lower surface of the second opening, a second elastic column is installed in the second elastic cavity, the second elastic column is connected with the elastic inclined plate and the lower surface of the second opening, a limiting plate is installed at the top end of the straight line surface of the second opening, and a limiting opening is formed in the limiting plate.

In a further embodiment, the horizontal length of the limiting opening is the same as that of the triangular block, and the limiting opening can be clamped into the triangular block and corresponds to the triangular block in position.

In a further embodiment, the length of the pressing block in the horizontal direction is the same as that of the limiting port, and the bottom end of the pressing block in the vertical direction and the top end of the triangular block in the vertical direction are attached to each other and correspond to the limiting port in position.

In a further embodiment, the elastic transverse plate and the elastic sloping plate are made of beryllium bronze.

The invention has the advantages that the mounting ring is convenient to mount on the heat exchange tube by arranging the fixing block, the vibration generated by extrusion or impact of the fins is convenient to transmit to the spring through the mounting block by arranging the mounting block and the spring, the vibration is counteracted by the spring, the bending of the local fins caused by extrusion or impact is reduced, the mounting and dismounting of the fins are convenient by arranging the first half piece and the second half piece, and the local fins can be replaced after being bent caused by extrusion or impact of the local fins, so that the material is saved, and the cost is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of a heat exchange fin according to the present invention;

FIG. 2 is a schematic cross-sectional view of a heat exchange fin of the present invention;

FIG. 3 is an enlarged view of the portion A of the heat exchange fin according to the present invention;

FIG. 4 is a schematic view of the overall structure of a heat exchanger fin according to the present invention;

FIG. 5 is an enlarged view of part B of a heat exchange fin according to the present invention.

In the figure: 1. a heat exchange pipe; 2. a fixed block; 3. a fin; 301. a clamping block is installed on the fin; 302. mounting salient points on the fins; 31. A first half-sheet; 311. a first opening; 312. an elastic transverse plate; 313. a triangular block; 314. a first spring chamber; 315. a first elastic column; 32. a second half; 321. a second opening; 322. an elastic sloping plate; 323. pressing the block; 324. a second elastic chamber; 325. a second elastic column; 326. a limiting plate; 327. a limiting port; 4. installing a ring; 401. a spring slot; 5. mounting blocks; 501. mounting grooves; 502. installing a groove; 6. a spring.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.

As shown in fig. 1-4, a heat exchanger fin includes: the heat exchange tube 1 is characterized in that a fixing block 2 is sleeved on the periphery of one end of the heat exchange tube 1, a mounting ring 4 is sleeved on the periphery of the heat exchange tube 1, the mounting ring 4 abuts against the fixing block 2, a plurality of spring grooves 401 are formed in the mounting ring 4, one end of a spring 6 is connected to the inner wall of one side, close to the center, of each spring groove 401, the other end of the spring 6 is connected with a mounting block 5, the mounting block 5 is clamped into the spring grooves 401 in a convex mode, a mounting groove 501 is formed in the mounting block 5, mounting grooves 502 are formed in the inner walls of two sides of the mounting groove 501, a fin mounting fixture block 301 is clamped into the mounting groove 501, fin mounting bumps 302 are arranged on two sides of the fin mounting fixture block 301, the fin mounting bumps 302 and the mounting grooves 502 are clamped with each other, fins 3 extend from the periphery of the fin mounting fixture block 301, the fixing block 2 abuts against the mounting ring 4, and the mounting ring 4 is convenient to mount and fix by arranging the mounting ring 4, the mounting ring 4 is internally provided with a plurality of spring grooves 401, the spring grooves 401 are internally provided with springs 6, two ends of each spring 6 are respectively connected with a mounting block 5 and the inner wall of one side of the spring groove 401 close to the center, so that when the mounting block 5 is extruded or impacted, vibration generated by extrusion or impact can be counteracted through the springs 6, by arranging the mounting block 5, the mounting block 5 is internally provided with a mounting groove 501, the inner walls of two sides of the mounting groove 501 are provided with mounting grooves 502, meanwhile, by arranging the fins 3, fin mounting fixture blocks 301 extend from the inner ring of the fins 3, fin mounting salient points 302 are arranged on two sides of the fin mounting fixture blocks 301, the fin mounting fixture blocks 301 can be clamped into the mounting grooves 501, when the fin mounting fixture blocks 301 are clamped into the mounting grooves 501, the fin mounting salient points 302 can be mutually clamped with the mounting grooves 502, the fin mounting fixture blocks 301 are matched with the mounting grooves 501, and the fin mounting salient points 302 are matched with the mounting grooves 502, thereby be convenient for fixed to local fin 3, when local fin 3 received extrusion or striking simultaneously, the vibrations that extrusion or striking produced transmit to mounting groove 501 through fin installation fixture block 301, mounting groove 501 transmits to installation piece 5, installation piece 5 will vibrate and transmit to spring 6, offset vibrations through spring 6, thereby can reduce local fin 3 and cause the emergence of the condition of buckling because of receiving extrusion or striking, thereby can reduce the number of times of changing the fin, practice thrift use cost.

Referring to fig. 4 and 5, the fin 3 includes a first half 31 and a second half 32, the first half 31 and the second half 32 are semi-circular, one end of the first half 31 is provided with a first opening 311, the second half 32 is provided with a second opening 321 corresponding to the first opening 311, the side wall of the first opening 311 is provided with an elastic transverse plate 312, the upper surface of the elastic transverse plate 312 is connected with a triangular block 313, a first elastic cavity 314 is provided between the elastic transverse plate 312 and the lower surface of the first opening 311, a first elastic column 315 is provided in the first elastic cavity 314, the first elastic column 315 is connected with the elastic transverse plate 312 and the lower surface of the first opening 311, the side wall of the second opening 321 is provided with an elastic inclined plate 322, one end of the elastic inclined plate 322 is connected with a pressing block 323, a second elastic cavity 324 is provided between the elastic inclined plate 322 and the lower surface of the second opening 321, a second elastic column 325 is provided in the second elastic cavity 324, the second elastic column 325 is connected with the elastic sloping plate 322 and the lower surface of the second opening 321, the top end of the straight line surface of the second opening 321 is provided with a limit plate 326, the limit plate 326 is provided with a limit opening 327, the length of the limit opening 327 in the horizontal direction is the same as that of the triangular block 313, the limit opening 327 can be clamped into the triangular block 313 and corresponds to the position of the triangular block 313, the length of the pressing block 323 in the horizontal direction is the same as that of the limit opening 327 in the horizontal direction, the bottom end of the pressing block 323 in the vertical direction is mutually attached to the top end of the triangular block 313 in the vertical direction and corresponds to the position of the limit opening 327, the elastic transverse plate 312 and the elastic sloping plate 322 are made of beryllium bronze, the first half piece 31 and the second half piece 32 are arranged, the first half piece 31 and the second half piece 32 are combined to form the fin 3, so that the installation and the disassembly of the fin 3 are convenient, when the fin 3 is required, the first opening 311 corresponds to the second opening 321, the first opening 311 and the second opening 321 are pushed to enable the first opening 311 and the second opening 321 to approach each other, the limiting plate 326 at the top end of the linear surface of the second opening 321 gradually approaches to the triangular block 313 on the elastic transverse plate 312, when the limiting plate 326 passes through the inclined surface of the triangular block 313, because the elastic transverse plate 312 is made of beryllium bronze, the beryllium bronze has good elasticity, so that the limiting plate 326 can push the triangular block 313 to move downwards, the length of the horizontal direction of the triangular block 313 is the same as that of the horizontal direction of the limiting opening 327 on the limiting plate 326, the first elastic column 315 is installed in the first spring cavity 314, when the triangular block 313 is pushed to correspond to the position of the limiting opening 327, the first elastic column 315 pushes the triangular block 313 to move upwards to be clamped into the limiting opening 327, so that the installation of the fin 3 is completed, when the fin 3 needs to be disassembled, the elastic inclined plate 322 is arranged, the bottom end of the pressing block 323 on the elastic sloping plate 322 in the vertical direction is attached to the top end of the triangular block 313 in the vertical direction and corresponds to the position of the limit port 327, an external force is applied to push the pressing block 323 to move downwards, so that the pressing block 323 pushes the triangular block 313 to move downwards, the triangular block 313 is separated from the limit port 327, after the triangular block 313 is separated from the limit port 327, the second half 32 is pulled, the first half 31 is separated from the second half 32, so that the triangular block 313 and the limit port 327 are dislocated, the external force is removed, the second elastic column 325 pushes the elastic sloping plate 322 to move upwards through the second elastic column 325 arranged in the second spring cavity 324, one end of the elastic sloping plate 322 is connected with the pressing block 323, the pressing block 323 is driven to move upwards, the pressing block 323 is restored to the normal state, so that the fin 3 is detached, the first half 31 is matched with the second half 32, thereby local fin 3 is convenient for change local fin 3 because of receiving the extrusion or striking to cause the back of buckling, material saving reduces the cost expenditure.

The working principle is as follows: when the invention is used, the fin 3 is installed, firstly, the fixing block 2 is clamped and fixed at one end of the heat exchange tube 1, then, the installation ring 4 is sleeved outside the heat exchange tube 1 through the other end of the heat exchange tube 1, the installation ring 4 is abutted against the fixing block 2, then, the first half piece 31 and the second half piece 32 of the fin 3 are placed at the periphery of the installation ring 4, the fin installation fixture block 301 extending from the inner ring of the fin 3 is clamped into the installation groove 501, the fin installation salient point 302 is clamped into the installation grooves 502 at two sides of the installation groove 501, then, the first opening 311 on the first half piece 31 is mutually corresponding to the second opening 321 on the second half piece 32, the first opening 311 and the second opening 321 are pushed, the first opening 311 and the second opening 321 are mutually close, the limiting plate 326 at the top end of the linear surface of the second opening 321 is gradually close to the triangular block 313 on the elastic transverse plate 312, when the limiting plate 326 passes through the inclined surface of the triangular block 313, because the elastic transverse plate 312 is made of beryllium bronze, the beryllium bronze has good elasticity, the limit plate 326 can push the triangular block 313 to move downwards, the length of the triangular block 313 in the horizontal direction is the same as that of the limit opening 327 on the limit plate 326, the first elastic column 315 is arranged in the first spring cavity 314, when the triangular block 313 is pushed to the position corresponding to the limit opening 327, the first elastic column 315 pushes the triangular block 313 to move upwards and is clamped in the limit opening 327, so that the installation of the fin 3 is completed, the fin installation fixture block 301 is clamped in the installation groove 501 by arranging the installation groove 501, the installation groove 501 is arranged in the installation block 5, the installation block 5 is connected with the spring 6, the fin 3 extends from the outer ring of the fin installation fixture block 301, so that when the local fin 3 is extruded or impacted, the vibration generated by extrusion or impact can be counteracted by the spring 6, when the fins 3 need to be disassembled, the elastic sloping plate 322 is arranged, the bottom end of the pressing block 323 on the elastic sloping plate 322 in the vertical direction is attached to the top end of the triangular block 313 in the vertical direction and corresponds to the position of the limit opening 327, external force is applied to push the pressing block 323 to move downwards, so that the pressing block 323 pushes the triangular block 313 to move downwards, the triangular block 313 is separated from the limit opening 327, after the triangular block 313 is separated from the limit opening 327, the second half 32 is pulled to separate the first half 31 from the second half 32, so that the triangular block 313 and the limit opening 327 are dislocated, the external force is removed, the second elastic pressing column 325 pushes the elastic sloping plate 322 to move upwards through the second elastic column 325 arranged in the second spring cavity 324, one end of the elastic sloping plate 322 is connected with the elastic sloping block 323, and then drive the briquetting 323 upward movement, make the briquetting 323 resume to normal condition to accomplish the dismantlement of fin 3, when local fin 3 caused buckling because of receiving the extrusion or striking, first half 31 cooperates half 32 of second, is convenient for change local fin 3, thereby can reduce the material and use, and then practice thrift the cost expenditure.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes may be made to the technical solution of the present invention within the technical idea of the present invention, and these equivalent changes are all within the protection scope of the present invention.

Claims

1. A heat exchanger fin characterized by: the method comprises the following steps: the heat exchange tube, the peripheral cover of heat exchange tube one end is equipped with the fixed block, the peripheral cover of heat exchange tube is equipped with the installation circle, the installation circle offsets with the fixed block, a plurality of spring grooves have been seted up to the installation circle, the spring groove is close to central one side inner wall connection and has spring one end, the spring other end is connected with the installation piece, the installation piece is protruding type card income spring inslot, the mounting groove has been seted up in the installation piece, mounting groove has been seted up on the inner wall of mounting groove both sides, the card is gone into in the mounting groove has fin installation fixture block, fin installation fixture block both sides are provided with fin installation bump, fin installation bump and the mutual block of mounting groove, fin installation fixture block peripheral extension has the fin.

2. A heat exchanger fin according to claim 1, wherein: the fin comprises a first half piece and a second half piece, and the first half piece and the second half piece are both semicircular.

3. A heat exchanger fin according to claim 2, wherein: a first opening is formed in one end of the first half piece on the straight line side, and a second opening is formed in the position, corresponding to the first opening, of the second half piece.

4. A heat exchanger fin according to claim 3, wherein: the wall mounting has the elasticity diaphragm on first opening side wall, elasticity diaphragm upper surface connection has three hornblocks, first elasticity chamber has been seted up between elasticity diaphragm and the first opening lower surface, install first elasticity post in the first elasticity chamber, first elasticity post connection elasticity diaphragm and first opening lower surface.

5. A heat exchanger fin according to claim 3, wherein: the utility model discloses a spacing mouth of opening, including second opening straight line face, second opening straight line face top, limiting plate is installed on second opening straight line face top, spacing mouth has been seted up to the limiting plate.

6. A heat exchanger fin according to claim 5, wherein: the length of the horizontal direction of the limiting port is the same as that of the triangular block, and the limiting port can be clamped into the triangular block and corresponds to the position of the triangular block.

7. A heat exchanger fin according to claim 5, wherein: the length of the horizontal direction of the pressing block is the same as that of the horizontal direction of the limiting opening, and the bottom end of the pressing block in the vertical direction and the top end of the triangular block in the vertical direction are mutually attached and correspond to the position of the limiting opening.

8. A heat exchanger fin according to claim 4, wherein: the elastic transverse plate is made of beryllium bronze.