Inner fin and heat exchanger comprising same

Abstract

The utility model discloses an inner fin and a heat exchanger comprising the inner fin, and relates to the technical field of heat exchanger inner fins. The heat exchanger comprises a first inner fin, a second inner fin, a first connecting rod and a second connecting rod, the device comprises a connecting mechanism, a clamping block, a connecting block, a placing groove and a clamping groove, the clamping groove is matched with the clamping block, and one side of the clamping block is inclined. According to the utility model, the connecting mechanism is arranged; the connecting blocks can be preliminarily limited through the containing grooves, the connecting blocks and the second connecting rods can be conveniently clamped and connected through the clamping blocks and the clamping grooves, and compared with a traditional mode that the first inner fins, the second inner fins and the heat exchange tubes are connected through a plurality of fastening bolts, the heat exchange tubes can be conveniently and rapidly clamped and connected through the clamping blocks and the clamping grooves. The connecting efficiency of the first inner fins, the second inner fins and the heat exchange tube is improved, the workload of workers is reduced, meanwhile, mounting and dismounting are convenient and fast, and the first inner fins and the second inner fins can be conveniently dismounted and cleaned subsequently.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger inner fin technical field, concretely is a kind of inner fin and the heat exchanger comprising the inner fin. BACKGROUND

[0002] Heat exchanger is a kind of energy-saving equipment between two or more than two fluids of different temperatures realizes heat transfer between material, is to make heat from fluid of higher temperature pass to fluid of lower temperature, and fluid temperature reaches the index of flow process regulation, to meet the need of process condition, simultaneously it is one of main equipment to improve energy utilization rate, the fin of heat exchanger refers to the metal sheet increased on the surface of heat exchange device needing to carry out heat transfer, and its main function is to increase the heat exchange surface area of heat exchange device, to improve heat exchange efficiency.

[0003] The inner fin of current heat exchanger is installed and connected with heat exchange pipe by the setting of multiple fastening bolts when using, the workload of staff is increased when fastening bolt is tightened due to small internal space of heat exchanger, and the inner fin is provided with multiple pieces, so that the mode of fastening bolt connecting inner fin and heat exchange pipe is time-consuming and laborious, and therefore an inner fin and the heat exchanger comprising the inner fin are provided. SUMMARY

[0004] The utility model aims at providing an inner fin and the heat exchanger comprising the inner fin to solve the problem of time-consuming and laborious connection and installation mode of inner fin and heat exchange pipe by multiple fastening bolts in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: an inner fin, including first inner fin, the one end of first inner fin is provided with second inner fin, the top of first inner fin is fixed with first connecting rod by bolt, the top of second inner fin is fixed with second connecting rod by bolt;Connecting mechanism, the connecting mechanism is arranged in the inside of second connecting rod, the connecting mechanism is used for the convenient connection of first connecting rod and second connecting rod, and then the convenient installation and disassembly of first inner fin and second inner fin are carried out, the connecting mechanism includes the clamping block of sliding sleeve in the inside of second connecting rod, the one end of first connecting rod close to second connecting rod is fixed with connecting block by bolt, the one end close to connecting block of second connecting rod is set up with placing groove, the placing groove is matched with connecting block, and the one side of connecting block is set up with clamping groove, the clamping groove is matched with clamping block, and the one side of clamping block is set as inclined shape.

[0006] Preferably, the top of the clamping block is fixed with a push rod by a bolt, and the top of the push rod extends above the second connecting rod.

[0007] Preferably, a limiting rod is slidably sleeved inside the push rod, and the two sides of the limiting rod are fixedly connected to the inner wall of the second connecting rod by bolts.

[0008] Preferably, a first spring is fixedly connected to one side of the push rod, the first spring is sleeved on the outer wall of the limiting rod, and the side of the first spring away from the push rod is fixedly connected to the inner wall of the second connecting rod.

[0009] Preferably, the top end of the second connecting rod is provided with a sliding groove, which matches the movement trajectory of the push rod.

[0010] Preferably, a movable plate is slidably sleeved on the inner wall of the second connecting rod, and a second spring is fixedly connected to one end of the movable plate. The end of the second spring away from the movable plate is fixedly connected to the inner wall of the second connecting rod, and the movable plate is located on one side of the locking block.

[0011] Preferably, the bottom end of the movable plate is fixed with a protrusion by bolts, and the inner wall of the second connecting rod is provided with a moving groove, which matches the moving trajectory of the protrusion.

[0012] A heat exchanger including the inner fins includes: a heat exchanger shell, a heat exchange tube fixed inside the heat exchanger shell by bolts, and a first inner fin and a second inner fin provided on the outer wall of the heat exchange tube.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] By setting a connection mechanism, the connecting block can be initially limited by the placement groove, and the connecting block and the second connecting rod can be easily engaged and connected by the setting of the locking block and the locking groove. Compared with the traditional method of connecting the first inner fin, the second inner fin and the heat exchange tube by multiple fastening bolts, the connection efficiency of the first inner fin, the second inner fin and the heat exchange tube is improved, and the workload of the staff is reduced. At the same time, the convenient installation and disassembly can facilitate the subsequent disassembly and cleaning of the first inner fin and the second inner fin. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 For the present utility model Figure 1 Enlarged structural diagram at point A in the diagram;

[0017] Figure 3 This is a schematic diagram of the internal structure of the connecting block and the second connecting rod of this utility model;

[0018] Figure 4 For the present utility model Figure 3 Enlarged structural diagram at point B in the diagram;

[0019] Figure 5 The heat exchanger shell structure of the utility model is shown in the figure.

[0020] In the figure: 1, first inner fin; 2, second inner fin; 3, first connecting rod; 301, connecting block; 3011, clamping groove; 4, connecting mechanism; 401, clamping block; 402, push rod; 4021, limiting rod; 4022, first spring; 403, moving plate; 4031, second spring; 4032, protruding block; 5, second connecting rod; 51, placing groove; 501, moving groove; 502, sliding groove; 6, heat exchange pipe; 7, heat exchanger shell. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Figures 1-5 The utility model is further explained in detail.

[0023] Please refer to Figures 1-5 The utility model provides an inner fin embodiment: an inner fin, including first inner fin 1, first inner fin 1 one end is provided with second inner fin 2, first inner fin 1 with second inner fin 2 is used to increase the heat exchange area, the top of first inner fin 1 is fixed with first connecting rod 3 through bolt, first connecting rod 3 is used to connect multiple first inner fin 1, the top of second inner fin 2 is fixed with second connecting rod 5 through bolt, second connecting rod 5 is used to connect multiple second inner fin 2;Connecting mechanism 4, connecting mechanism 4 is arranged in the inside of second connecting rod 5, connecting mechanism 4 is used to conveniently connect first connecting rod 3 with second connecting rod 5, and then first inner fin 1 with second inner fin 2 are conveniently installed and disassembled, and connecting mechanism 4 includes the clamping block 401 of sliding sleeve in the inside of second connecting rod 5, the one end of first connecting rod 3 close to second connecting rod 5 is fixed with connecting block 301 through bolt, the one end of second connecting rod 5 close to connecting block 301 is provided with placing groove 51, placing groove 51 is matched with connecting block 301, and the side of connecting block 301 is provided with clamping groove 3011, clamping groove 3011 is matched with clamping block 401, the side of clamping block 401 is provided as inclined, through the setting of placing groove 51, the preliminary position of connecting block 301 can be limited, through the setting of clamping block 401 and clamping groove 3011, the clamping connection of the preliminary position of connecting block 301 can be carried out, and then the stability of first connecting rod 3 and second connecting rod 5 after being connected is increased.

[0024] The top end of the clamping block 401 is fixed with a push rod 402 through a bolt, the top end of the push rod 402 extends above the second connecting rod 5, the horizontal movement of the push rod 402 can drive the clamping block 401 to move, the movement of the clamping block 401 can be separated from the clamping groove 3011, thereby releasing the locking of the connecting block 301; the inside of the push rod 402 is sleeved with a limiting rod 4021, the two sides of the limiting rod 4021 are fixedly connected with the inner wall of the second connecting rod 5 through bolts, the limiting rod 4021 is used for supporting the push rod 402, thereby ensuring the stability of the horizontal movement of the push rod 402; one side of the push rod 402 is fixedly connected with a first spring 4022, the first spring 4022 is sleeved on the outer wall of the limiting rod 4021, and the side of the first spring 4022 away from the push rod 402 is fixedly connected with the inner wall of the second connecting rod 5, the first spring 4022 is used for keeping the initial position of the push rod 402, and the first spring 4022 is used for providing a horizontal movement reset force to the push rod 402;

[0025] The top end of the second connecting rod 5 is provided with a sliding groove 502, the sliding groove 502 matches the movement track of the push rod 402, through the arrangement of the sliding groove 502, the stability of the horizontal movement of the push rod 402 can be ensured; the inner wall of the second connecting rod 5 is sleeved with a moving plate 403, one end of the moving plate 403 is fixedly connected with a second spring 4031, one end of the second spring 4031 away from the moving plate 403 is fixedly connected with the inner wall of the second connecting rod 5, the moving plate 403 is located on one side of the clamping block 401, the arrangement of the second spring 4031 and the moving plate 403 is used for generating a reset movement trend force to the connecting block 301 after the connecting block 301 moves to the inside of the placing groove 51, thereby making the inner wall of the clamping groove 3011 and the outer wall of the clamping block 401 tightly fit, so as to improve the stability after the connecting block 301 is connected with the second connecting rod 5; the bottom end of the moving plate 403 is fixed with a protrusion 4032 through a bolt, the inner wall of the second connecting rod 5 is provided with a moving groove 501, the moving groove 501 matches the movement track of the protrusion 4032, through the arrangement of the protrusion 4032 and the moving groove 501, the stability of the horizontal movement of the moving plate 403 can be ensured;

[0026] A heat exchanger comprising the inner fin, comprising: a heat exchanger shell 7, the inside of the heat exchanger shell 7 is fixed with a heat exchange pipe 6 through a bolt, the outer wall of the heat exchange pipe 6 is provided with a first inner fin 1 and a second inner fin 2, the heat exchange pipe 6 is used for heat transfer, the heat exchanger shell 7 is used for supporting the heat exchange pipe 6 and the first inner fin 1 and the second inner fin 2.

[0027] Working principle: in use, first, the heat exchange pipe 6 is connected with the heat exchanger shell 7 through the bolt, then the first inner fin 1 and the second inner fin 2 are respectively placed at both ends of the heat exchange pipe 6, and the first inner fin 1 and the second inner fin 2 are moved towards each other, the first connecting rod 3 and the second connecting rod 5 are moved towards each other by the movement of the first inner fin 1 and the second inner fin 2, the connecting block 301 is moved by the movement of the first connecting rod 3, the connecting block 301 moves towards the inside of the placing groove 51, and one end of the connecting block 301 moves and contacts the moving plate 403, thereby pushing the moving plate 403 to move, the second spring 4031 is squeezed under stress, one end of the connecting block 301 contacts the clamping block 401, and the clamping block 401 moves towards the side close to the first spring 4022, the push rod 402 is moved by the movement of the clamping block 401, the first spring 4022 is squeezed under stress, when the clamping groove 3011 moves to one side of the clamping block 401, the first spring 4022 restores to the original state and drives the push rod 402 and the clamping block 401 to reset, the clamping block 401 resets and is clamped with the clamping groove 3011, at this time, the connecting block 301 is connected and fixed with the second connecting rod 5, that is, the first inner fin 1 and the second inner fin 2 are tightly attached to the outer wall of the heat exchange pipe 6;

[0028] Secondly, after the connecting block 301 is completely moved to the inside of the placing groove 51, the second spring 4031 is in a state of being squeezed under stress, the second spring 4031 makes the moving plate 403 have a tendency to reset, that is, the moving plate 403 has a tendency to push the connecting block 301 to reset, that is, at this time, the inner wall of the clamping groove 3011 is tightly attached to the outer wall of the clamping block 401, thereby improving the clamping effect of the clamping groove 3011 and the clamping block 401;

[0029] Finally, the connecting block 301 can be preliminarily limited by the placing groove 51, and the connecting block 301 and the second connecting rod 5 can be conveniently clamped and connected through the clamping block 401 and the clamping groove 3011, compared with the traditional way of connecting the first inner fin 1, the second inner fin 2 and the heat exchange pipe 6 through multiple fastening bolts, the connection efficiency of the first inner fin 1, the second inner fin 2 and the heat exchange pipe 6 is improved, and the workload of the workers is reduced, and the convenient installation and disassembly can facilitate the subsequent disassembly and cleaning of the first inner fin 1 and the second inner fin 2.

[0030] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but rather can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the above description, and therefore all changes coming within the meaning and equivalency range of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

Claims

1. An inner fin, characterized in that, include: A first inner fin (1) is provided at one end of the first inner fin (1) and a second inner fin (2) is provided at one end of the first inner fin (1) and a first connecting rod (3) is fixed to the top end of the first inner fin (1) by bolts and a second connecting rod (5) is fixed to the top end of the second inner fin (2) by bolts. A connecting mechanism (4) is provided inside the second connecting rod (5). The connecting mechanism (4) includes a locking block (401) that is slidably sleeved inside the second connecting rod (5). The first connecting rod (3) is fixed with a connecting block (301) by bolts at one end near the second connecting rod (5). The second connecting rod (5) is provided with a placement groove (51) at one end near the connecting block (301). The placement groove (51) matches the connecting block (301). A locking groove (3011) is provided on one side of the connecting block (301). The locking groove (3011) matches the locking block (401). One side of the locking block (401) is set to be inclined.

2. The inner fin according to claim 1, characterized in that: The top of the locking block (401) is fixed with a push rod (402) by bolts, and the top of the push rod (402) extends above the second connecting rod (5).

3. An inner fin according to claim 2, characterized in that: The push rod (402) is internally slidably sleeved with a limiting rod (4021), and the two sides of the limiting rod (4021) are respectively fixedly connected to the inner wall of the second connecting rod (5) by bolts.

4. An inner fin according to claim 2, characterized in that: A first spring (4022) is fixedly connected to one side of the push rod (402). The first spring (4022) is sleeved on the outer wall of the limiting rod (4021), and the side of the first spring (4022) away from the push rod (402) is fixedly connected to the inner wall of the second connecting rod (5).

5. An inner fin according to claim 1, characterized in that: The top end of the second connecting rod (5) is provided with a sliding groove (502), which matches the movement trajectory of the push rod (402).

6. An inner fin according to claim 1, characterized in that: The inner wall of the second connecting rod (5) is slidably sleeved with a movable plate (403). One end of the movable plate (403) is fixedly connected to a second spring (4031). The end of the second spring (4031) away from the movable plate (403) is fixedly connected to the inner wall of the second connecting rod (5). The movable plate (403) is located on one side of the locking block (401).

7. An inner fin according to claim 6, characterized in that: The bottom end of the movable plate (403) is fixed with a protrusion (4032) by bolts, and the inner wall of the second connecting rod (5) is provided with a moving groove (501), which matches the moving trajectory of the protrusion (4032).

8. A heat exchanger comprising the internal fins of claim 1, characterized in that, include: The heat exchanger shell (7) has a heat exchange tube (6) fixed inside by bolts. The outer wall of the heat exchange tube (6) is provided with a first inner fin (1) and a second inner fin (2).

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