Heat exchanger upper air duct convenient to disassemble and assemble

Abstract

The heat exchanger upper air duct convenient to disassemble and assemble comprises a fan connecting cylinder and an air duct body connected to one end of the fan connecting cylinder, the opposite ends of the fan connecting cylinder and the air duct body are fixedly connected with a fixing frame A and a fixing frame B respectively, and a connecting assembly is arranged between the fixing frame A and the fixing frame B; the connecting assembly comprises a fixing strip, a threaded rod, an extrusion plate, a rotary handle, a limiting block and a limiting groove. By means of the designed fixing frame A, the fixing frame B and the connecting assembly between the fixing frame A and the fixing frame B, the fan connecting barrel and the air barrel body can be fixedly connected, if the fan connecting barrel and the air barrel body need to be detached, only a rotary handle needs to be unscrewed, an extrusion plate is unscrewed from the outer side of the fixing frame A, and at the moment, fixation between the fixing frame A and the fixing frame B is relieved; the air duct main body can be easily disassembled, external auxiliary tools are not needed during disassembly and assembly, operation is convenient and fast, and convenience is provided for disassembly and assembly personnel.

Description

Technical Field

[0001] The utility model belongs to the technical field of heat exchanger accessories, and in particular relates to an upper air duct of a heat exchanger which is convenient to disassemble and assemble. Background Art

[0002] Heat exchanger is a device that transfers part of the heat of hot fluid to cold fluid, also known as heat exchanger. Heat exchanger plays an important role in chemical, petroleum, power, food and many other industrial production. Fan is one of the most important accessories on heat exchanger, and wind tube is a kind of accessory connected between fan and heat exchanger body, its function is to guide the wind.

[0003] The existing air duct and the fan are generally fixedly connected by a flange. Under this connection method, it is very troublesome to disassemble and assemble the air duct, which requires the help of external auxiliary tools and is also very cumbersome to operate, causing inconvenience to the disassemblers. Therefore, it is necessary to design a new air duct to solve this problem. Utility Model Content

[0004] The utility model aims to provide a heat exchanger upper air duct which is convenient to disassemble and assemble, so as to solve the problem that the existing air duct is not convenient to disassemble and assemble as mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an upper duct of a heat exchanger that is easy to disassemble and assemble, comprising a fan connecting tube and a duct main body connected to one end of the fan connecting tube, the fan connecting tube and the duct main body having opposite ends fixedly connected with a fixed frame A and a fixed frame B respectively, a connecting assembly is arranged between the fixed frame A and the fixed frame B, the connecting assembly comprises a fixing bar, a threaded rod, an extrusion plate, a rotary handle, a limit block and a limit groove, the fixing bar is symmetrically fixed at the upper and lower ends of the fixing frame B, the threaded rod is slidably connected with the fixing bar, the extrusion plate is rotatably connected to one end of the threaded rod close to the fixing frame A, the inner side of the extrusion plate is in extrusion contact with the fixing frame A, the rotary handle is rotatably connected to a surface of one side of the fixing bar and is threadedly connected to the threaded rod, the limit block is fixed to the bottom of the threaded rod and is slidably connected to the limit groove opened inside the fixing bar.

[0006] Preferably, the connecting assembly includes an anti-slip sheet, and the anti-slip sheet is fixed to the other end of the threaded rod.

[0007] Preferably, the connecting assembly further comprises a card block and a card slot, wherein the card block is fixed to the inner surface of the extrusion plate and inserted into the card slot provided on the surface of the fixing frame A.

[0008] Preferably, a connecting ring is fixed to a surface of the rotating handle facing the fixing bar, and the connecting ring is rotatably connected to the fixing bar.

[0009] Preferably, the connection assembly further comprises a positioning connection rod and a positioning connection groove, wherein the positioning connection rod is fixed at the four corners of the fixed frame B and inserted into the interior of the positioning connection grooves provided at the four corners of the fixed frame A.

[0010] Preferably, a support assembly is provided on the outer surface of the air duct body, and the support assembly includes a hoop, support legs and a fixing plate, the hoop is clamped on the outer surface of the air duct body, the support legs are fixedly connected to the bottom of the hoop, and the fixing plate is fixedly connected between the support legs.

[0011] Preferably, the support assembly further comprises a rubber pad, which is fixed to the top surface of the fixing plate and fits with the bottom surface of the wind tube body.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] Through the designed fixing frame A, fixing frame B and the connecting components therebetween, the fan connecting tube and the air tube body can be fixedly connected. If the two need to be disassembled, it is only necessary to loosen the rotary handle and unscrew the extrusion plate from the outside of the fixing frame A. At this time, the fixation between the fixing frame A and the fixing frame B is released, and the air tube body can be easily disassembled. No external auxiliary tools are required during disassembly and assembly, and the operation is convenient, which provides convenience for the disassembly and assembly personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0015] Figure 2 It is an enlarged schematic diagram of the A area of ​​the utility model;

[0016] Figure 3 It is a partial front cross-sectional view of the connection assembly of the utility model;

[0017] Figure 4 It is a front cross-sectional view of the corner of the connecting assembly of the utility model;

[0018] Figure 5 It is a front view of the support assembly of the utility model;

[0019] In the figure: 100, fan connecting tube; 200, air tube body; 300, fixing frame A; 400, fixing frame B; 500, connecting assembly; 501, fixing strip; 502, threaded rod; 503, extrusion plate; 504, rotary handle; 505, anti-slip sheet; 506, clamping block; 507, clamping slot; 508, positioning connecting rod; 509, positioning connecting slot; 5010, limiting block; 5011, limiting slot; 600, supporting assembly; 601, hoop; 602, supporting foot; 603, fixing plate; 604, rubber pad. DETAILED DESCRIPTION

[0020] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0021] See also Figures 1 to 5 The utility model provides a technical solution: a heat exchanger upper wind tube that is easy to disassemble and assemble, including a fan connecting tube 100 and a wind tube main body 200 connected to one end of the fan connecting tube 100, the fan connecting tube 100 and the wind tube main body 200 are respectively fixedly connected with a fixing frame A300 and a fixing frame B400 at the opposite ends, and the two are of the same size and specification, and a connecting component 500 is arranged between the fixing frame A300 and the fixing frame B400, and the fixing frame A300 and the fixing frame B400 are fixedly connected by the connecting component 500, so as to realize the connection between the fan connecting tube 100 and the wind tube main body 200, and the connecting component 500 includes a fixing bar 501, a threaded rod 502, an extrusion plate 503, a rotary handle 504, a limit block 5010 and a limit groove 5011, and the fixing bar 501 is symmetrically fixed at the upper and lower ends of the fixing frame B400, and the threaded rod 502 is connected with the fixing bar 501 through sliding, and the threaded rod 502 can be The screw rod 502 can be arranged in a plurality of numbers to telescope and slide inside the fixing bar 501, and the extrusion plate 503 is rotatably connected to one end of the screw rod 502 close to the fixing frame A300, and the inner side of the extrusion plate 503 is in extrusion contact with the fixing frame A300, and the rotary handle 504 is rotatably connected to the surface of one side of the fixing bar 501 and is threadedly connected to the screw rod 502, and the limit block 5010 is fixed to the bottom of the screw rod 502 and is slidably connected to the limit groove 5011 opened inside the fixing bar 501, and by tightening the rotary handle 504, the screw rod 502 can be driven to move, so that the extrusion plate 503 and the fixing frame A300 are firmly extruded and connected to complete the connection, and when disassembling, it is only necessary to loosen the rotary handle 504 and rotate the extrusion plate 503 to move it away from the outside of the fixing frame A300, thereby releasing the fixation between the fixing frame A300 and the fixing frame B400, and easily completing the disassembly between the air duct main body 200 and the fan connecting tube 100.

[0022] In this embodiment, preferably, the connecting assembly 500 includes an anti-dropping piece 505 , and the anti-dropping piece 505 is fixed to the other end of the threaded rod 502 to prevent the threaded rod 502 from falling off.

[0023] In this embodiment, preferably, the connecting component 500 also includes a block 506 and a slot 507. The block 506 is fixed to the inner surface of the extrusion plate 503 and inserted into the slot 507 opened on the surface of the fixed frame A300 to improve the extrusion stability between the extrusion plate 503 and the fixed frame A300.

[0024] In this embodiment, preferably, a connecting ring is fixed to a surface of the rotating handle 504 on one side facing the fixing bar 501 , and the connecting ring is rotationally connected to the fixing bar 501 , thereby completing the rotational connection between the rotating handle 504 and the fixing bar 501 .

[0025] In this embodiment, preferably, the connecting component 500 also includes a positioning connecting rod 508 and a positioning connecting groove 509, which play a role in strengthening support. The positioning connecting rod 508 is fixed at the four corners of the fixed frame B400 and inserted into the interior of the positioning connecting groove 509 opened at the four corners of the fixed frame A300. Before installing the fixed frame A300 and the fixed frame B400, the positioning connecting rod 508 can be inserted into the interior of the positioning connecting groove 509, thereby playing a positioning role and also supporting and strengthening the connection between the fixed frame A300 and the fixed frame B400.

[0026] In the present embodiment, preferably, a support assembly 600 is provided on the outer surface of the wind duct body 200 to support the wind duct body 200. The support assembly 600 includes a hoop 601, a support foot 602 and a fixing plate 603. The hoop 601 is clamped on the outer surface of the wind duct body 200 to improve the overall strength of the wind duct body 200. The support foot 602 is fixedly connected to the bottom of the hoop 601 to support the wind duct body 200. The fixing plate 603 is fixedly connected between the support feet 602 to improve the support stability of the support feet 602.

[0027] In this embodiment, preferably, the support assembly 600 further includes a rubber pad 604 , which is fixed to the top surface of the fixing plate 603 and fits with the bottom surface of the wind duct body 200 , thereby improving the supporting effect on the wind duct body 200 .

[0028] Although the embodiments of the present invention have been shown and described (see the detailed description above for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heat exchanger upper wind tube that is easy to disassemble and assemble, comprising a fan connecting tube (100) and a wind tube body (200) connected to one end of the fan connecting tube (100), characterized in that: The fan connecting tube (100) and the fan tube main body (200) are respectively fixedly connected to a fixing frame A (300) and a fixing frame B (400) at opposite ends thereof; a connecting assembly (500) is provided between the fixing frame A (300) and the fixing frame B (400); the connecting assembly (500) comprises a fixing bar (501), a threaded rod (502), an extrusion plate (503), a rotary handle (504), a limiting block (5010) and a limiting groove (5011); the fixing bar (501) is symmetrically fixed to the upper and lower ends of the fixing frame B (400). The threaded rod (502) is slidably connected to the fixing bar (501), the extrusion plate (503) is rotatably connected to one end of the threaded rod (502) close to the fixing frame A (300), the inner side of the extrusion plate (503) is in extrusion contact with the fixing frame A (300), the rotary handle (504) is rotatably connected to a surface of one side of the fixing bar (501) and is threadedly connected to the threaded rod (502), and the limit block (5010) is fixed to the bottom of the threaded rod (502) and is slidably connected to a limit groove (5011) provided inside the fixing bar (501).

2. The conveniently disassembled upper air duct of a heat exchanger according to claim 1, characterized in that: The connection assembly (500) comprises an anti-slip sheet (505), wherein the anti-slip sheet (505) is fixed to the other end of the threaded rod (502).

3. The conveniently disassembled upper air duct of a heat exchanger according to claim 1, characterized in that: The connection assembly (500) further comprises a clamping block (506) and a clamping slot (507); the clamping block (506) is fixed to the inner surface of the extrusion plate (503) and inserted into the clamping slot (507) provided on the surface of the fixing frame A (300).

4. The conveniently disassembled upper air duct of a heat exchanger according to claim 1, characterized in that: A connecting ring is fixed to a surface of the rotating handle (504) on one side facing the fixing bar (501), and the connecting ring is rotatably connected to the fixing bar (501).

5. The conveniently disassembled upper air duct of a heat exchanger according to claim 1, characterized in that: The connection assembly (500) further comprises a positioning connection rod (508) and a positioning connection groove (509); the positioning connection rod (508) is fixed at the four corners of the fixing frame B (400) and inserted into the interior of the positioning connection grooves (509) provided at the four corners of the fixing frame A (300).

6. The conveniently disassembled upper air duct of a heat exchanger according to claim 1, characterized in that: A support assembly (600) is provided on the outer surface of the wind tube body (200); the support assembly (600) comprises a hoop (601), support legs (602) and a fixing plate (603); the hoop (601) is hooped on the outer surface of the wind tube body (200); the support legs (602) are fixedly connected to the bottom of the hoop (601); and the fixing plate (603) is fixedly connected between the support legs (602).

7. The conveniently disassembled upper air duct of a heat exchanger according to claim 6, characterized in that: The support assembly (600) further comprises a rubber pad (604), wherein the rubber pad (604) is fixed to the top surface of the fixing plate (603) and fits with the bottom surface of the wind tube body (200).

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