CN111795600A

CN111795600A - Heat exchanger fin

Info

Publication number: CN111795600A
Application number: CN202010635352.XA
Authority: CN
Inventors: 胡志鹏; 张翔
Original assignee: Individual
Current assignee: Shandong Ruiduo Energy Conservation And Environmental Protection Technology Co ltd
Priority date: 2020-07-04
Filing date: 2020-07-04
Publication date: 2020-10-20
Anticipated expiration: 2040-07-04
Also published as: CN111795600B

Abstract

The invention relates to the field of fins, in particular to a heat exchanger fin which comprises a heat exchange tube, a fixing block, a fin structure, a fin, a mounting ring, a clamping ring, a bump, a first spring and a fixing structure. The heat exchange tube is provided with the plurality of convex blocks, and the bottoms of the convex blocks are connected with the first springs, so that the convex blocks can be contracted towards the direction of the heat exchange tube when being extruded, when the mounting ring for fixing the fins slides in through the heat exchange tube, the clamping ring arranged on one side of the mounting ring presses down the convex blocks in the sliding process of the mounting ring until the mounting ring slides to the bottom side, the arrangement of the convex blocks also enables the mounting ring to only slide on the heat exchange tube in a single direction, so that the fins are convenient to mount, when the fins need to be taken down, the fixed blocks clamped at the end parts of the heat exchange tube can be directly taken down, so that the fins on the heat exchange tube can be directly taken down, when local fins are damaged, the fins can be replaced, the operation is convenient, and.

Description

Heat exchanger fin

Technical Field

The invention relates to the 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 belts; 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

Aiming at the problems in the prior art, the invention provides a heat exchanger fin.

The technical scheme adopted by the invention for solving the technical problems is as follows: a heat exchanger fin comprises a heat exchange tube, one end of the heat exchange tube is connected with a fixed block in a clamping manner, the heat exchange tube is provided with a fin structure, the fin structure comprises a fin, a mounting ring, a clamping ring, a convex block and a first spring, the side face of the heat exchange tube is relatively provided with a plurality of convex blocks, the convex blocks are sequentially arranged at equal intervals, the convex blocks are slidably connected with the side wall of the heat exchange tube, one end of each convex block is fixedly connected with the first spring, the other end of the first spring is fixedly connected with the heat exchange tube, the heat exchange tube is sleeved with a plurality of mounting rings, the mounting rings are arranged corresponding to the plurality of convex blocks, the clamping ring is fixedly connected with the inner side of each mounting ring, the mounting rings are clamped with the convex blocks through the clamping ring, the fins are vertically and are fixedly connected with the outer sides of the mounting rings, and the fixed block is also provided with a fixed structure.

Preferably, in order to facilitate installation of a single fin, the installation ring can be directly sleeved into the heat exchange tube in a sliding mode, the section of the clamping ring is of a right-angle trapezoidal structure, the inclined surface part of the section of the clamping ring faces the fixed block, and the top end of the protruding block is of an arc structure.

Preferably, in order to support a plurality of fins arranged in parallel to achieve a certain supporting effect, the fins have a certain impact resistance, the fixing structure comprises two supporting rods and two rotating grooves, the two supporting rods are connected with the fixing block in a sliding mode, the two rotating grooves are symmetrically formed in the fins and are of arc-shaped structures, and one ends of the supporting rods sequentially penetrate through the plurality of rotating grooves formed in the fins.

Preferably, when making the fixed block rotate, can will pile up the dust between the fin through the cleaning sheet and clear away, fixed knot constructs still includes the cleaning sheet, the cleaning sheet is the arc structure, just the width of cleaning sheet is less than set up on the fin the width in rotation groove, the cleaning sheet is equipped with a plurality ofly, and is a plurality of the perpendicular fixed connection of cleaning sheet equidistance in proper order in the bracing piece.

Preferably, in order to fix the supporting rod conveniently and limit the position state of the cleaning sheet, the fixing structure further comprises a rotating groove, and one end of the supporting rod is clamped with the fixing block through the rotating groove.

Preferably, in order to further clamp the mounting ring at the middle part, so that the mounting rings are attached more tightly, and the heat conduction effect is improved, the fixing structure further comprises a clamping block, the clamping block is arranged on one side of the mounting rings, which is far away from the fixing block, and is in threaded connection with the heat exchange tube through the protruding block, so that the wear of the mounting rings is avoided due to the fact that the friction is directly generated between the clamping block and the mounting rings, and the clamping effect is increased.

The invention has the beneficial effects that:

(1) the invention provides a heat exchanger fin, wherein a plurality of convex blocks are arranged on a heat exchange tube, and the bottoms of the convex blocks are connected with a first spring, so that the convex blocks can be contracted towards the direction of the heat exchange tube when being extruded, when an installation ring for fixing the fin slides through the heat exchange tube, a clamping ring arranged on one side of the installation ring presses down the convex blocks in the sliding process of the installation ring until the installation ring slides to the bottom side, and the arrangement of the convex blocks also enables the installation ring to only slide on the heat exchange tube in a one-way manner, thereby facilitating the installation of the fin.

(2) The invention provides a heat exchanger fin, when the fin needs to be taken down, a fixed block clamped at the end part of a heat exchange tube can be directly taken down, namely, the fin positioned on the heat exchange tube can be directly slid down, when the local fin is damaged, the fin can be replaced, meanwhile, the operation is convenient, the waste of heat exchange tube materials is avoided, and on the other hand, the fixing structure connected on the fixed block is matched, so that the fixing of the fin is firmer, the heat conduction effect of the fin is improved, and the shock resistance of the fin is enhanced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a connection structure of the fin structure and the fixing structure shown in FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic structural view of the fixing structure shown in fig. 1.

In the figure: 1. the heat exchange tube comprises a heat exchange tube body 2, a fixing block 3, a fin structure 31, fins 32, a mounting ring 33, a clamping ring 34, a bump 35, a first spring 4, a fixing structure 41, a support rod 42, a rotating groove 43, a cleaning piece 44, a clamping block 45, a pushing block 46, a connecting block 47, a second spring 48 and a rotating groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a heat exchanger fin includes a heat exchange tube 1, one end of the heat exchange tube 1 is connected with a fixed block 2 in a clamping manner, the heat exchange tube 1 is provided with a fin structure 3, the fin structure 3 includes a fin 31, a mounting ring 32, a collar 33, a bump 34 and a first spring 35, the side surface of the heat exchange tube 1 is provided with a plurality of bumps 34 opposite to each other, the plurality of bumps 34 are sequentially arranged at equal intervals, the bumps 34 are slidably connected to the side wall of the heat exchange tube 1, one end of the bump 34 is fixedly connected with the first spring 35, the other end of the first spring 35 is fixedly connected to the heat exchange tube 1, the heat exchange tube 1 is sleeved with a plurality of mounting rings 32, the plurality of mounting rings 32 are arranged corresponding to the plurality of bumps 34, the inner side of the mounting rings 32 is fixedly connected with the collar 33, the mounting rings 32 are clamped with the bumps 34 through the collar, the outer side of the mounting ring 32 is vertically and fixedly connected with the fins 31, the mounting rings 32 are in contact connection with one another, and the fixing block 2 is further provided with a fixing structure 4.

As a technical optimization scheme of the invention, the cross section of the collar 33 is in a right-angled trapezoid structure, the inclined surface of the cross section of the collar 33 faces the fixed block 2, and the top end of the projection 34 is in an arc structure, so that the installation ring 32 can be directly sleeved into the heat exchange tube in a sliding manner for facilitating the installation of a single fin.

As a technical optimization scheme of the present invention, the fixing structure 4 includes two support rods 41 and two rotation grooves 48, the two support rods 41 are slidably connected to the fixing block 2, the fins 31 are symmetrically provided with the two rotation grooves 48, the rotation grooves 48 are arc-shaped, and one end of the support rod 41 sequentially penetrates through the rotation grooves 48 provided on the plurality of fins 31, so as to support the plurality of fins arranged in parallel, so that the fins have a certain impact resistance.

As a technical optimization scheme of the present invention, the fixing structure 4 further includes a plurality of cleaning sheets 43, the cleaning sheets 43 are arc-shaped, the width of each cleaning sheet 43 is smaller than the width of the corresponding rotating groove 48 formed in the corresponding fin 31, the plurality of cleaning sheets 43 are sequentially and vertically fixed to the corresponding support rod 41 at equal intervals, and in order to enable the fixing block to rotate, dust accumulated between the fins can be removed through the cleaning sheets 43.

As a technical optimization scheme of the present invention, the fixing structure 4 further includes a rotating groove 42, and one end of the supporting rod 41 is engaged with the fixing block 2 through the rotating groove 42, so as to fix the supporting rod 41 and limit the position of the cleaning sheet 43.

As a technical optimization scheme of the present invention, the fixed structure 4 further includes a clamping block 44, the clamping block 44 is disposed on one side of the plurality of mounting rings 32 facing away from the fixed block 2, and the clamping block 44 is in threaded connection with the heat exchange tube 1 through the protrusion 34, the fixed structure 4 further includes a pushing block 45, a connecting block 46 and a second spring 47, one end of the second spring 47 is fixedly connected to the clamping block 44, the other end of the second spring 47 is fixedly connected to the connecting block 46, the connecting block 46 is rotatably connected to the pushing block 45, the other side of the pushing block 45 is in contact with one side of the mounting ring 32 facing away from one end of the fixed block 2, in order to further clamp the mounting ring 32 in the middle portion, so that the mounting rings 32 are attached more tightly, and at the same time, friction between the clamping block 44 and the mounting ring 32 is prevented from being directly generated, causing wear of the mounting ring 32 and increasing the clamping effect.

When the invention is used, firstly, the fin 31 is installed, firstly, the fixing block 2 is clamped and fixed at one end of the heat exchange tube 1, so that the heat exchange tube 1 and the fixing block 2 can rotate, the installation ring 32 provided with the fin 31 is directly sleeved from the other end of the heat exchange tube 1, because the collar 33 is arranged at the bottom side of the installation ring 32, one side of the collar 33 is in an inclined surface structure, when the collar 33 moves to the position of the lug 34, along with the movement of the collar 33, the lug 34 slides into the heat exchange tube 1, so that the installation ring 32 can continuously slide on the heat exchange tube 1, and the installation ring 32 can not slide reversely, after the installation ring 32 needing to be installed slides to the bottom end of the heat exchange tube 1, the pushing block 45 and the clamping block 44 are sequentially sleeved, the connecting block 46 connected with one end of the clamping block 44 is in sliding connection with the pushing block 45, the clamping block 44 is rotated, the clamping block 44 is, along with the rotation of the clamping block 44, the elastic action of the second spring 47 is matched, so that the middle-mounted mounting ring 32 can be fixed more tightly, thereby improving the heat conduction effect, then the two support rods 41 respectively pass through the fixed block 2 through the rotary grooves 42 formed in the fixed block 2 and then sequentially pass through the rotary grooves 48 formed in the fins 31, at the moment, the cleaning sheets 43 arranged on the support rods 41 are matched with the rotary grooves 48 in position and can pass through the rotary grooves 48, finally, the support rods 41 are rotated to fix the support rods 41, meanwhile, the cleaning sheets 43 and the fins 31 are arranged in a staggered manner, meanwhile, the cleaning sheets 43 and the rotary grooves 48 are in a vertical state, when a large amount of dust is accumulated between the fins 31 due to long-term use, only the fixed block 2 needs to be rotated, so that the support rods 41 rotate in the rotary grooves 48 formed in the fins 31, thereby enabling the cleaning sheets 43 to sweep out, the normal heat conduction effect of the fins 31 is kept, on the other hand, when part of the fins 31 are damaged, the fixing block 2 can be taken down, and then the damaged fins 31 can be conveniently taken down and replaced.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A heat exchanger fin comprises a heat exchange tube (1), and is characterized in that: the heat exchange tube is characterized in that a fixing block (2) is connected to one end of the heat exchange tube (1) in a clamped mode, a fin structure (3) is arranged on the heat exchange tube (1) and comprises fins (31), an installation ring (32), a clamping ring (33), a plurality of lugs (34) and first springs (35), the side faces of the heat exchange tube (1) are relatively provided with the lugs (34), the lugs (34) are sequentially arranged at equal intervals, the lugs (34) are slidably connected to the side wall of the heat exchange tube (1), the first springs (35) are fixedly connected to one ends of the lugs (34), the other ends of the first springs (35) are fixedly connected to the heat exchange tube (1), the installation ring (32) is sleeved on the heat exchange tube (1) in a plurality, the installation ring (32) is arranged in a plurality corresponding to the lugs (34), and the clamping ring (33) is fixedly connected to the inner side of the installation ring (32), the mounting ring (32) is clamped with the bump (34) through the clamping ring (33), the fin (31) is fixedly connected to the outer side of the mounting ring (32) in a perpendicular mode, the mounting ring (32) is connected with the fin (31) in a contact mode, the mounting ring (32) is connected with the fin in a contact mode, and a fixing structure (4) is further arranged on the fixing block (2).

2. A heat exchanger fin according to claim 1, wherein: the cross-section of rand (33) is the right trapezoid structure, just the inclined plane part orientation in rand (33) cross-section fixed block (2), the top of lug (34) is the arc structure.

3. A heat exchanger fin according to claim 1, wherein: fixed knot constructs (4) including bracing piece (41) and rotation groove (48), bracing piece (41) are equipped with two, two bracing piece (41) with fixed block (2) sliding connection, two have been seted up to the symmetry on fin (31) rotation groove (48), it is the arc structure to rotate groove (48), just the one end of bracing piece (41) runs through a plurality ofly in proper order set up on fin (31) rotate groove (48).

4. A heat exchanger fin according to claim 3, wherein: fixed knot constructs (4) still includes cleaning sheet (43), cleaning sheet (43) are the arc structure, just the width of cleaning sheet (43) is less than set up on fin (31) the width of rotating groove (48), cleaning sheet (43) are equipped with a plurality ofly, and are a plurality of cleaning sheet (43) equidistance perpendicular fixed connection in proper order in bracing piece (41).

5. A heat exchanger fin according to claim 3, wherein: the fixing structure (4) further comprises a rotating groove (42), and one end of the supporting rod (41) is clamped with the fixing block (2) through the rotating groove (42).

6. A heat exchanger fin according to claim 1, wherein: the fixing structure (4) further comprises a clamping block (44), the clamping block (44) is arranged on one side, away from the fixing block (2), of the mounting rings (32), and the clamping block (44) is in threaded connection with the heat exchange tube (1) through the lug (34); the fixing structure (4) further comprises a pushing block (45), a connecting block (46) and a second spring (47), one end of the second spring (47) is fixedly connected to the clamping block (44), the other end of the second spring (47) is fixedly connected to the connecting block (46), the connecting block (46) is rotatably connected with the pushing block (45), and the other side of the pushing block (45) is abutted to one side, deviating from one end, of the mounting ring (32) of the fixing block (2).