A heat exchange fin tube with expandable fins

Abstract

A heat exchange fin tube with expandable fins, the invention relates to the technical field of finned heat exchange tube tooling, wherein there are several straight tubes arranged in an array, adjacent straight tubes are connected end to end in series via bent tubes, an end connection assembly is arranged on the side of the straight tube, the bent tube is arranged on the end connection assembly, there are several fin modules, and they are arranged on the straight tube in an equidistant manner; it adopts a modular installation structure to facilitate the installation of pipelines, adopts a modular single-piece fin plate structure to facilitate the assembly of the entire heat exchange fin in an array splicing manner, and accordingly arranges a corresponding quick-release and quick-install connection structure to form a complete structure of the device, so that the fins of the heat exchange tube can be increased or decreased in number according to usage requirements.

Description

Technical Field

[0001] The invention relates to the technical field of finned heat exchange tube tooling, and in particular to a heat exchange finned tube with expandable fins. Background Art

[0002] Finned heat exchange tubes are widely used in heat exchange equipment, such as air energy heat exchangers and boiler equipment;

[0003] There is an efficient fin heat exchange tube, which adopts an array-type straight tube structure for series connection, and the heat exchange fins are arranged in an array, so that when the heat transfer medium flows through the straight tube, the contact path with the fins is extended to achieve efficient heat exchange. This type of heat exchange tube adopts an integrated structure during production and manufacturing, resulting in a single model category of the heat exchange tube, and thus easily causing performance redundancy of the heat exchange tube in some usage scenarios, thereby wasting equipment costs. In this regard, a new development idea is proposed to design a heat exchange tube with an increase or decrease fin structure, so as to facilitate the addition of an appropriate amount of fins according to usage requirements. Summary of the invention

[0004] The purpose of the present invention is to address the defects and shortcomings of the prior art and provide a heat exchange fin tube with expandable fins. The heat exchange fin tube adopts a modular installation structure to facilitate the installation of pipelines. The modular single-piece fin plate structure is convenient for assembling the entire heat exchange fin in an array splicing manner, and a corresponding quick-release and quick-install connection structure is set accordingly to form a complete structure of the device, so that the number of fins of the heat exchange tube can be increased or decreased according to usage requirements.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] It includes straight pipes and curved pipes, wherein there are several straight pipes arranged in an array, and adjacent straight pipes are connected end to end through curved pipes and arranged in series. It also includes:

[0007] An end connection assembly, wherein the end connection assembly is arranged on the side of the straight pipe, and the bent pipe is arranged on the end connection assembly;

[0008] Fin modules, the fin modules are in multiple numbers and are arranged equidistantly on the straight tube;

[0009] When in use, according to the horizontal and vertical numbers of straight tubes arranged in the array, the corresponding bent tubes are taken, and the bent tubes are spliced ​​through the end connection assembly, so as to realize the connection of the bent tubes and the straight tubes in series, splicing to form a complete pipeline, and the straight tubes are erected by relying on the end connection assembly, and then the fin module is installed on the straight tube, and then the straight tube is used in conjunction with the fin module for working heat exchange.

[0010] Preferably, the terminal connection assembly comprises:

[0011] Mounting plates, wherein there are several mounting plates and the mounting plates are arranged in an array, and the elbow is passed through and fixed on the mounting plates;

[0012] There are several mounting pins, which are fixedly arranged on two adjacent sides of the mounting plate, wherein the number of mounting pins on the long side of the mounting plate is twice the number of mounting pins on the short side of the mounting plate;

[0013] The mounting plate is provided with mounting pin holes on the side opposite to the mounting pin rod, and the number of the mounting pin holes is the same as the number of the mounting pin rods on the opposite side;

[0014] When in use, the mounting pin rod on the mounting plate is inserted into the mounting pin hole on the adjacent mounting plate to achieve the splicing between the two mounting plates, and when the two mounting plates are arranged perpendicular to each other, the long side of one mounting plate corresponds to the short sides of the two mounting plates.

[0015] Preferably, the fin module comprises:

[0016] Fin plates, wherein the fin plates are grouped together and arranged in an array, and a group of fin plates are arranged in an array;

[0017] The end corners of the fin plates are provided with arc-shaped notches, and four adjacent fin plates are arranged in a circular hole surrounded by the arc-shaped notches on the adjacent end corners, and the four adjacent fin plates are sleeved on a straight tube;

[0018] Transverse clamps; the transverse clamps are arranged on the fin plates, and the front and rear adjacent fin plates are connected by the transverse clamps;

[0019] A longitudinal clamp, wherein the longitudinal clamp is arranged on the fin plate, and the upper and lower adjacent fin plates are connected by the longitudinal clamp;

[0020] When in use, several fin plates are spliced ​​together by transverse clips to form an overall plate structure arranged front to back, and then the plate structure is inserted between the upper and lower layers of straight tubes. Similarly, the fin plates are stacked from bottom to top, and the upper and lower adjacent fin plates are spliced ​​together by longitudinal clips, and then several fin plate arrays are spliced ​​together to form an overall heat dissipation fin structure, and the straight tubes of the array are passed through the heat dissipation fin structure.

[0021] Preferably, wings are provided on the left and right side walls of the fin plate at the sides of the arc-shaped notch, the wings are abutted against the straight tube, and the wings on adjacent fin plates are interlocked.

[0022] Preferably, the transverse clamp comprises:

[0023] A cross bar, wherein the cross bar is fixedly arranged on the rear side of the fin plate;

[0024] The front side and the lower side of the fin plate are provided with snap-in pin holes;

[0025] A deformation pin rod, wherein the deformation pin rod is fixedly arranged on the cross bar, wherein a deformation groove is provided on the deformation pin rod, and the deformation groove is arranged at an end opening away from the cross bar;

[0026] A transverse pawl, wherein the transverse pawl is fixedly arranged on the outer side wall of the deformation pin rod;

[0027] When in use, the deformation pin rod is inserted into the card pin hole on the front side of the adjacent fin plate on the rear side, and the cross bar is pressed tightly. Then, after the deformation pin rod passes through the card pin hole, it is pressed against the fin plate through the cross ratchet to achieve locking between the front and rear fin plates.

[0028] Preferably, an elastic sheet is provided in front of the locking pin hole on the front side of the fin plate.

[0029] Preferably, the longitudinal clamp comprises:

[0030] A vertical rod, wherein the vertical rod is fixedly arranged on the upper side of the fin plate;

[0031] A limit pin rod, wherein the limit pin rod is fixedly arranged on the vertical rod;

[0032] A cone block, wherein the cone block is fixedly arranged on an end of the limit pin rod away from the vertical rod;

[0033] Vertical pawls, wherein the vertical pawl array is arranged on the side wall of the limit pin rod;

[0034] When in use, after the front and rear connected fin plates are placed between two rows of straight tubes, the position of the fin plates is adjusted so that the fin plates are rotated to vertical, and then the fin plates are moved, and the upper fin plates are put on the limit pin rod on the adjacent fin plate on the lower side through the snap-in pin holes on the lower side of the fin plates, thereby completing the limit locking between the upper and lower adjacent fin plates.

[0035] Compared with the prior art, the present invention has the following beneficial effects:

[0036] 1. The fin heat sink is based on a series straight tube structure arranged in an array, and a mounting plate for end connection is provided to realize the overall splicing of the elbow joint, that is, to realize the quick disassembly and installation of the elbow, and at the same time, the elbow is supported by the mounting plate to realize the support of the straight tube;

[0037] 2. Set up a unit fin plate, and set a deformation pin rod for front and rear docking and a limit pin rod for upper and lower docking on the fin plate, so as to realize the array splicing and installation of the fin plate and realize the installation of the fin plate on the assembled straight tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1It is a structural schematic diagram of the present invention.

[0039] Figure 2 It is a structural schematic diagram of the terminal connection assembly in the present invention.

[0040] Figure 3 It is a structural schematic diagram of the fin module in the present invention.

[0041] Figure 4 It is a structural schematic diagram of the fin plate in the present invention.

[0042] Figure 5 yes Figure 4 Right front side view.

[0043] Description of reference numerals:

[0044] Straight pipe 1, bent pipe 2, end connection assembly 3, mounting plate 3-1, mounting pin 3-2, mounting pin hole 3-3, fin module 4, fin plate 4-1, arc-shaped notch 4-2, transverse clamp 5, cross bar 5-1, connecting pin hole 5-2, deformation pin 5-3, transverse ratchet 5-4, deformation groove 5-5, longitudinal clamp 6, vertical rod 6-1, limit pin 6-2, cone block 6-3, vertical ratchet 6-4, wing 7, elastic sheet 8. DETAILED DESCRIPTION

[0045] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples, and all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention. Example

[0046] like Figure 1-5 As shown, this embodiment includes straight tubes 1 and curved tubes 2, wherein the straight tubes 1 are arranged in an array, and adjacent straight tubes 1 are connected in series through curved tubes 2;

[0047] Mounting plates 3-1, there are several mounting plates 3-1 and they are arranged one by one corresponding to the elbows 2, and the elbows 2 are inserted and fixed on the mounting plates 3-1;

[0048] There are several mounting pins 3-2, and they are respectively arranged on two adjacent sides of the mounting plate 3-1, wherein four mounting pins 3-2 are fixedly arranged on the long side of the mounting plate 3-1, and two mounting pins 3-2 are fixedly arranged on the short side of the mounting plate 3-1;

[0049] A mounting pin hole 3-3 is provided on the side of the mounting plate 3-1 opposite to the mounting pin rod 3-2, and adjacent mounting plates 3-1 are connected to each other by inserting the mounting pin rod 3-2 and the mounting pin hole 3-3, wherein when the short side of one mounting plate 3-1 is butted against the long side of another mounting plate 3-1, two mounting plates 3-1 with short sides are provided corresponding to the long side of the mounting plate 3-1;

[0050] Fin plates 4-1, wherein the fin plates 4-1 are in plurality and arranged in an array;

[0051] The end corners of the fin plates 4-1 are provided with arc-shaped notches 4-2, and when four fin plates 4-1 are spliced, adjacent corners of the fin plates 4-1 are spliced ​​through the arc-shaped notches 4-2 to form a circular hole, and the straight tube 1 is inserted into the circular hole;

[0052] The fin 7 is fixedly arranged on the side of the arc-shaped notch 4-2, so that when the fin plate 4-1 is connected to the straight tube 1, the fin 7 is pressed against the outer wall of the straight tube 1 to increase the contact area between the fin plate 4-1 and the straight tube 1, thereby improving the heat conduction efficiency between the straight tube 1 and the fin 7;

[0053] The upper side and rear side of the fin plate 4-1 are fixedly provided with rods, wherein the rod on the upper side of the fin plate 4-1 is regarded as a vertical rod 6-1, and the rod on the rear side of the fin plate 4-1 is regarded as a horizontal rod 5-1;

[0054] A pin is fixedly provided on the end of the rod extending to the side of the fin plate 4-1, wherein the pin on the vertical rod 6-1 is regarded as a limit pin 6-2, and the pin on the horizontal rod 5-1 is regarded as a deformation pin 5-3;

[0055] The deformable pin 5-3 is provided with a deformable groove 5-5, and the deformable pin 5-3 is pressed by relying on the deformable groove 5-5 to deform the deformable pin 5-3;

[0056] The front side and the lower side of the fin plate 4-1 are provided with a snap-in pin hole 5-2;

[0057] The horizontal ratchet 5-4 is composed of two groups and is symmetrically fixed on the side wall of the deformation pin 5-3. When the front and rear fin plates 4-1 are connected, the deformation pin 5-3 is inserted into the card pin hole 5-2 on the front side of the rear adjacent fin plate 4-1 and locked by the horizontal ratchet 5-4.

[0058] The vertical pawls 6-4 are three groups and are fixedly arranged at equal angles on the side wall of the limit pin rod 6-2. When the upper and lower fin plates 4-1 are connected, the limit pin rod 6-2 is inserted into the clamping pin hole 5-2 on the upper side of the lower adjacent fin plate 4-1 and locked by the vertical pawl 6-4.

[0059] The cone block 6-3 is fixedly arranged on the end of the limit pin rod 6-2.

[0060] The elastic sheet 8 is fixedly arranged on the front side of the fin plate 4-1, and the elastic sheet 8 is arranged in front of the card pin hole 5-2 located on the front side of the fin plate 4-1. A notch is provided on the cross bar 5-1, and when the front and rear fin plates 4-1 are connected, the elastic sheet 8 is placed in the notch of the cross bar 5-1 and presses against the cross bar 5-1.

[0061] By adopting the technical solution disclosed in the present invention, it is possible to achieve:

[0062] When using this fin tube, first install the straight tube 1 and the bent tube 2:

[0063] According to the number and arrangement specifications of the straight pipes 1 set in the array, the bent pipes 2 are arranged and docked through the mounting plate 3-1, and the adjacent mounting plates 3-1 are connected and fixed by inserting the mounting pins 3-2 into the mounting pin holes 3-3, and then the ports of the bent pipes 2 and the ports of the straight pipes 1 are flange-connected and docked, and then supported by the mounting plate 3-1, and the straight pipes 1 are supported between the mounting plates 3-1 on both sides;

[0064] Then proceed to install the fin plate 4-1:

[0065] In the preparation stage, the fin plates 4-1 are arranged front and back for docking. At this time, the deformation pin rod 5-3 on the fin plate 4-1 is inserted into the card connection pin hole 5-2 on the front side of the adjacent fin plate 4-1 on the rear side, and then the assembled fin plate 4-1 is placed between the upper and lower layers of straight tubes 1. After the fin plate 4-1 is placed between the straight tubes 1, the upper and lower layers of the fin plates 4-1 are docked, and the position of the fin plate 4-1 is adjusted to make it vertical. Then, the fin plate 4-1 is moved, and the upper fin plate 4-1 is put on the limit pin rod 6-2 of the lower adjacent fin plate 4-1 through the card connection pin hole 5-2 on its lower side, and the array installation of the fin plate 4-1 is completed;

[0066] When installing the upper and lower adjacent fin plates 4-1, the cone block 6-3 is used for guidance to achieve the docking of the limit pin 6-2 and the card pin hole 5-2. After the limit pin 6-2 passes through the card pin hole 5-2, the cone block 6-3 is clamped and pulled by a tool, so that the limit pin 6-2 drives the vertical pawl 6-4 to pass through the card pin hole 5-2.

[0067] When disassembling the installed fin plate 4-1, a tool is inserted between the upper and lower layers of the straight tube 1 and the open end of the deformation pin 5-3 is clamped, and then the deformation pin 5-3 is pressed to disengage the horizontal pawl 5-4 from the card pin hole 5-2. Then, the cross bar 5-1 is pushed by the elastic sheet 8 to pull the deformation pin 5-3 out of the card pin hole 5-2, thereby completing the disassembly between the front and rear adjacent fin plates 4-1. After completing the disassembly of all the deformation pins 5-3, the vertical row of fin plates 4-1 can be pulled out.

[0068] The technical advantages that can be achieved by adopting the above technical solution are as follows:

[0069] 1. The fin heat sink is based on a series straight tube 1 structure arranged in an array, and a mounting plate 3-1 for end connection is provided, thereby realizing the overall splicing of the elbow 2 joints, that is, realizing the quick disassembly and quick installation of the elbow 2, and at the same time, the elbow 2 is supported by the mounting plate 3-1 to realize the support of the straight tube 1;

[0070] 2. Set up a unit fin plate 4-1, and set a deformation pin rod 5-3 for front and rear docking and a limit pin rod 6-2 for upper and lower docking on the fin plate 4-1, so as to realize the array splicing and installation of the fin plate 4-1, and realize the installation of the fin plate 4-1 on the assembled straight tube 1.

[0071] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A heat exchange fin tube with expandable fins, comprising a straight tube (1) and a bent tube (2), wherein the straight tubes (1) are in plurality and arranged in an array, and adjacent straight tubes (1) are connected end to end in series via the bent tubes (2); characterized in that: It also contains: An end connection assembly (3), wherein the end connection assembly (3) is arranged on the side of the straight pipe (1), and the curved pipe (2) is arranged on the end connection assembly (3); A fin module (4), wherein the fin modules (4) are in plurality and are arranged at equal intervals on the straight tube (1); The terminal connection assembly (3) comprises: A mounting plate (3-1), wherein the mounting plates (3-1) are in plurality and arranged in an array, and the bent pipe (2) is passed through and fixed on the mounting plate (3-1); A plurality of mounting pins (3-2) are fixedly arranged on two adjacent side edges of the mounting plate (3-1), wherein the number of mounting pins (3-2) on the long side of the mounting plate (3-1) is twice the number of mounting pins (3-2) on the short side of the mounting plate (3-1); A mounting pin hole (3-3) is provided on the side of the mounting plate (3-1) opposite to the side where the mounting pin rod (3-2) is arranged, and the number of the mounting pin holes (3-3) is the same as the number of the mounting pin rods (3-2) on the opposite side; The fin module (4) comprises: Fin plates (4-1), wherein several fin plates (4-1) form a group and are arranged in an array, and several fin plates (4-1) in a group are arranged in an array; An arc-shaped notch (4-2) is provided on the end corner of the fin plate (4-1); four adjacent fin plates (4-1) are arranged to form a circular hole surrounded by the arc-shaped notch (4-2) on the adjacent end corners; and the four adjacent fin plates (4-1) are sleeved on a straight tube (1); A transverse clamp (5); the transverse clamp (5) is arranged on the fin plate (4-1), and the front and rear adjacent fin plates (4-1) are connected by the transverse clamp (5); A longitudinal clamp (6), wherein the longitudinal clamp (6) is arranged on the fin plate (4-1), and the upper and lower adjacent fin plates (4-1) are connected by the longitudinal clamp (6).

2. The heat exchange fin tube with expandable fins according to claim 1, characterized in that: Wings (7) are provided on the left and right side walls of the fin plate (4-1) at the sides of the arc-shaped notch (4-2), the wing (7) is abutted against the straight tube (1), and the wing (7) on adjacent fin plates (4-1) are interlocked.

3. The heat exchange fin tube with expandable fins according to claim 2, characterized in that: The transverse clamp (5) comprises: A cross bar (5-1), wherein the cross bar (5-1) is fixedly arranged on the rear side of the fin plate (4-1); The front side and the lower side of the fin plate (4-1) are both provided with a snap-in pin hole (5-2); A deformation pin (5-3), wherein the deformation pin (5-3) is fixedly arranged on the cross bar (5-1), wherein a deformation groove (5-5) is provided on the deformation pin (5-3), and the deformation groove (5-5) is opened at one end away from the cross bar (5-1); A transverse ratchet (5-4), wherein the transverse ratchet (5-4) is fixedly arranged on the outer side wall of the deformation pin rod (5-3).

4. The heat exchange fin tube with expandable fins according to claim 3, characterized in that: An elastic sheet (8) is provided in front of the latching pin hole (5-2) located on the front side of the fin plate (4-1).

5. The heat exchange fin tube with expandable fins according to claim 4, characterized in that: The longitudinal clamp (6) comprises: A vertical rod (6-1), wherein the vertical rod (6-1) is fixedly arranged on the upper side of the fin plate (4-1); A limit pin rod (6-2), wherein the limit pin rod (6-2) is fixedly arranged on the vertical rod (6-1); A cone block (6-3), wherein the cone block (6-3) is fixedly arranged on an end of the limit pin rod (6-2) away from the vertical rod (6-1); Vertical pawls (6-4), wherein an array of the vertical pawls (6-4) is arranged on the side wall of the limiting pin rod (6-2).

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