Cylindrical axial flow fan convenient to disassemble

Abstract

The utility model discloses a cylindrical axial flow fan convenient to disassemble, and belongs to the technical field of axial flow fans. Comprising a cylinder and a motor, an impeller is installed on the motor, a supporting plate is connected to the bottom of the motor through a support, the supporting plate comprises a bearing plate, connecting plates bent upwards are arranged at the two ends of the bearing plate, a supporting rod is fixed to the bottom of the bearing plate, and the support is fixedly installed on the bearing plate. The connecting plate is connected with the cylinder; the motor and the cylinder can be detached, maintenance, replacement and cleaning are convenient, meanwhile, the motor is tightly and stably connected with the cylinder through the support and the supporting plate, the structure is compact, and the motor and the cylinder are connected into a whole and can be kept stable after being used for a long time.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the axial flow fan technical field, concretely belongs to a kind of convenient disassembly's cylindrical axial flow fan. BACKGROUND

[0002] Axial flow fan, use is very extensive, just with the airflow of the shaft of fan blade same direction, such as electric fan, air conditioner outdoor unit fan is axial flow mode operating fan.Axial flow fan is usually used in the occasion of higher flow requirement and lower pressure requirement.Axial flow fan includes cylindrical fan shell, protective screen cover fixed on the front end of fan shell, working motor installed in fan shell and several fan blades fixedly installed on the main shaft of working motor, and working motor is fixed on the support frame in fan shell.The support frame in the fan shell of existing axial flow fan is welded in the fan shell, and cannot be disassembled and replaced. CONTENT OF UTILITY MODEL

[0003] Therefore, the utility model aims at overcoming the deficiencies in prior art, and provides a kind of convenient disassembly's cylindrical axial flow fan, and the present application provides the following technical solutions:

[0004] Including cylinder, motor, the motor is installed with impeller, the motor bottom is connected with support plate by support, the support plate includes bearing plate, the bearing plate both ends are provided with the connecting plate that is bent upwards, the bearing plate bottom is fixed with support rod, the support is fixedly installed on the bearing plate, the connecting plate is connected with the cylinder installation.

[0005] Support plate is installed and connected with cylinder through connecting plate, support and bearing plate are installed and connected, i.e.with support plate installation connection, realize the installation and fixation of motor, support plate and cylinder can be disassembled, support and support plate can also be disassembled, with two kinds of replacement mode;Connecting plate is bent upwards, and connecting plate generates tensile stress to bearing plate, and the stability is higher, and connecting plate and bearing plate have greater angle, are convenient for wiping and cleaning, support rod is located below bearing plate, and support is installed on bearing plate, and support rod greatly enhances the bearing effect of bearing plate, so that it is not easy to shake, and support rod does not affect the installation of support, so that the upper of entire bearing plate can be used as the installation point of support, simultaneously, connecting plate will not interfere with support rod, so that support rod can have longer size below bearing plate, so that the range of reinforced bearing plate is wider.

[0006] The outer side of the connecting plate is tightly attached to the inner wall of the cylinder, a bolt hole is formed in the middle of the connecting plate and at a corresponding position of the cylinder, a fastening nut is welded to the outer side of the cylinder at a position corresponding to the bolt hole, and a fastening screw is inserted into the bolt hole and screwed with the fastening nut.

[0007] A clamping groove is formed at the top end of the connecting plate, and a positioning screw is inserted into the clamping groove and clamped with the cylinder.

[0008] There are also a few shaft flow fans in the prior art that can be disassembled between the connecting plate and the cylinder, but a bolt is usually used to connect and fasten the connecting plate and the cylinder, and the connecting plate is prone to deflection around the bolt position after long-term use, and there is usually no large gap between the fan blades and the inner wall of the cylinder, so when the connecting plate is deflected, the fan blades on the deflected side will be close to the inner wall of the cylinder, and there is a hidden danger of collision between the fan blades and the inner wall of the cylinder, so in the present application, a fastening screw is arranged to connect and fasten the connecting plate and the cylinder, and a positioning screw is arranged to pass through the cylinder and be clamped in the clamping groove, so that the connecting plate is rotationally limited, the connecting plate is not prone to shaking, and the connecting plate will not be deflected during use, so that the stability is as stable as Mount Tai, and the safety performance is higher.

[0009] The support rod traverses the bottom of the bearing plate, and the bottom of the two ends of the support rod has an oval surface that abuts against the inner wall of the cylinder.

[0010] The support rod reinforces the entire bearing plate, and the two ends of the support rod also abut against the cylinder, further enhancing the stability of the connection between the support plate and the cylinder.

[0011] The top of the bearing plate has a flat mounting surface, the bottom of the support has a foot plate, the bottom surface of the foot plate is in close contact with the mounting surface, and a plurality of mounting bolts are uniformly arranged on the foot plate and screwed with the bearing plate.

[0012] A portion of the mounting bolts also pass through the support rod, and the foot plate, the bearing plate and the support rod are screwed together.

[0013] The support also includes a support leg, the upper end of the support leg is fixedly connected with the motor, and the lower end is outwardly inclined and fixedly connected with the foot plate.

[0014] The mounting surface is left on the bearing plate, the foot plate is in close contact with the bearing plate, the connection between the support and the bearing plate is more secure, and the mounting surface has a plurality of optional mounting positions, different types of motors and supports can be mounted on the support plate, the support leg is inclined, the support plate can also provide transverse support to the motor, reducing the horizontal vibration of the motor, and the inclined support leg is more conducive to force transmission, and the connection between the motor and the support plate is more stable.

[0015] The front end of the cylinder is provided with a front mesh for protecting the motor and the impeller.

[0016] In summary, due to the adoption of the above technical scheme, the present application has the following advantages:

[0017] The motor and the cylinder can be disassembled, which is convenient for maintenance, replacement and cleaning; meanwhile, the motor is connected with the cylinder through the support and the support plate, which is very close and stable, the structure is compact, the motor and the cylinder are connected as a whole, and the stability can be kept for a long time.

[0018] In order to make the above objectives, features and advantages of the present application more apparent and easy to understand, the following preferred embodiments are specifically described below, and the accompanying drawings are described in detail as follows. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the premise of the drawings.

[0020] Figure 1 It is a schematic diagram of the rear end port direction of the cylinder of the cylinder axial flow fan convenient to disassemble.

[0021] Figure 2 It is a schematic diagram of the front end port direction of the cylinder of the cylinder axial flow fan convenient to disassemble.

[0022] Figure 3 It is a schematic diagram of the connection between the support plate and the cylinder of the cylinder axial flow fan convenient to disassemble.

[0023] Figure 4 It is a schematic diagram of the connection between the support and the support plate of the cylinder axial flow fan convenient to disassemble.

[0024] Reference signs: 1, cylinder; 11, fastening nut; 2, motor; 21, impeller; 3, support; 31, foot plate; 32, mounting bolt; 33, support leg; 4, support plate; 41, bearing plate; 42, connecting plate; 43, support rod; 44, fastening screw; 45, clamping groove; 46, positioning screw; 5, front net. DETAILED DESCRIPTION

[0025] The embodiments of the present application will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation on the present application.

[0026] In this application, unless specifically defined otherwise, the terms "mounting", "connected", "connection", "fixed", and the like, should be construed broadly and, for example, can be a fixed connection, or a detachable connection, or integral; can be a mechanical connection, or an electrical connection; can be a direct connection, or an indirect connection via an intermediate medium, or a communication or interaction between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0027] In this application, unless specifically defined otherwise, the first feature is "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0028] Please refer to Figures 1-4 As shown in the figure, the utility model provides a kind of convenient disassembly's cylinder axial flow fan, including cylinder 1, motor 2, impeller 21 is installed on motor 2, motor 2 bottom is connected with support plate 4 by support 3, motor 2 and support 3 top fixed connection, optionally, support 3 top is directly welded on the shell of motor 2;Support plate 4 includes bearing plate 41, and the both ends of bearing plate 41 are provided with the connecting plate 42 bent upwards, and the bottom of bearing plate 41 is fixed with support rod 43, and optionally, support rod 43 is welded on the bottom of bearing plate 41, and support 3 is fixedly installed on bearing plate 41, and connecting plate 42 is connected and installed with cylinder 1.

[0029] Among them, cylinder 1, support 3, support plate 4, support rod 43 are all made of stainless steel material.

[0030] Connecting plate 42 is circular arc, and the outer side of connecting plate 42 is tightly attached to the inner wall of cylinder 1, and the middle part of connecting plate 42 is provided with a bolt hole corresponding to the position of cylinder 1, and a fastening nut 11 is welded on the outer side of cylinder 1 corresponding to the position of bolt hole, and a fastening screw 44 is arranged in the bolt hole and screwed with the fastening nut 11.

[0031] Connecting plate 42 top end is provided with clamping groove 45, and positioning screw 46 is arranged in clamping groove 45 and clamped with cylinder 1. Among them, fastening screw 44 plays a major connecting role, with greater diameter size,

[0032] Support rod 43 traverses the bottom of bearing plate 41, and the bottom of the both ends of support rod 43 has an oval surface, and the oval surface abuts against the inner wall of cylinder 1.

[0033] The top of the bearing plate 41 has a flat mounting surface, the bottom of the support 3 has a foot plate 31, the bottom surface of the foot plate 31 is in close contact with the mounting surface, and a plurality of mounting bolts 32 are evenly arranged on the foot plate 31 and are screwed with the bearing plate 41.

[0034] A part of the mounting bolts 32 also pass through the support rod 43, and the foot plate 31 is screwed with the bearing plate 41 and the support rod 43.

[0035] The support 3 further comprises a support leg 33, the upper end of which is fixedly connected with the motor 2, and the lower end thereof is outwardly inclined and fixedly connected with the foot plate 31.

[0036] The front end of the cylinder 1 is provided with a front net 5.

[0037] In use, the motor 2 is first installed on the support plate 4, and during installation, the pre-set bolt holes on the foot plate 31 are aligned with the bolt holes on the bearing plate 41, and then the mounting bolts 32 are used to connect and stabilize the support 3 and the support plate 4, at this time the foot plate 31 is in close contact with the support plate 4, and then the support plate 4 is installed in the cylinder 1, during installation, the bolt holes on the connecting plate 42 are aligned with the bolt holes on the cylinder 1 provided with the fastening nut 11, the fastening screw 44 is used to pass through the connecting plate 42 and the cylinder 1 and connect with the fastening nut 11 and is tightened, and then the positioning screw 46 is used to pass through the cylinder 1 and the clamping groove 45 to lock the support plate 4, and the installation of the motor 2 in the cylinder 1 is completed.

[0038] Although the embodiments of the present application have been shown and described above, it should be understood that the above-described embodiments are exemplary and should not be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application.

Claims

1. A cylindrical axial flow fan which is easy to disassemble, comprising a cylindrical body (1) and a motor (2) having an impeller (21) mounted thereon, characterized in that: The motor (2) bottom is connected with a support plate (4) through a cylinder support (3), the support plate (4) includes a bearing plate (41), the bearing plate (41) both ends are provided with the upward bending connecting plate (42), the bearing plate (41) bottom is fixed with a support rod (43), the support (3) is fixedly installed on the bearing plate (41), the connecting plate (42) is connected with the cylinder (1).

2. A convenient dismounting cylindrical axial flow fan according to claim 1, characterized in that: The connecting plate (42) outer side surface is closely attached with the cylinder (1) inner wall, the connecting plate (42) middle part is provided with a bolt hole in the corresponding position of the cylinder (1), the cylinder (1) outer side corresponding bolt hole position is welded with a fastening nut (11), the bolt hole is provided with a fastening screw (44) and the fastening nut (11) screw fastening.

3. A convenient dismountable cylindrical axial fan according to claim 1, characterized in that: The connecting plate (42) top end is provided with a clamping groove (45), the clamping groove (45) is provided with a positioning screw (46) and the cylinder (1) clamping.

4. A convenient dismountable cylindrical axial fan according to claim 1, characterized in that: The support rod (43) traverses the bearing plate (41) bottom, the support rod (43) both ends bottom has an oval surface, and the oval surface is in abutment with the cylinder (1) inner wall.

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