Detachable ventilation fan

Abstract

The utility model is applicable to the technical field of ventilation fans, and provides a detachable ventilation fan which comprises a lower mounting cylinder, the top of the lower mounting cylinder is movably connected with an upper mounting cylinder, the top of the lower mounting cylinder is provided with a clamping groove, the bottom of the upper mounting cylinder is fixedly connected with a clamping block, and the clamping block is fixedly connected with the clamping groove. The inner top wall of the upper mounting cylinder is fixedly connected with a telescopic sleeve, through arrangement of a clamping groove and a clamping block, the lower mounting cylinder and the upper mounting cylinder can be conveniently connected, convenience is brought to later disassembly, and when a motor and blades need to be disassembled and cleaned, a limiting column can be taken out from a positioning column firstly, and then the motor and the blades can be conveniently disassembled and cleaned. The upper limiting seat and the lower limiting seat are far away from the outside of the motor by pinching the pinching block and pulling the pinching block in two directions, so that the motor can be quickly disassembled, the structure is simple, the operation is convenient and fast, the inconvenience and complexity of cleaning and maintenance caused by the fact that most ventilation fans are integrated are effectively avoided, the practicability of the fan is further improved, and the practicability of the fan is improved. And the use requirements are met.

Description

Technical Field

[0001] The utility model belongs to the technical field of ventilation fans, and in particular relates to a detachable ventilation fan. Background Art

[0002] A fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine. Fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and air intake of boilers and industrial furnaces, cooling and ventilation in air conditioning equipment and household appliances, drying and selection of grains, wind tunnel wind sources and inflation and propulsion of hovercraft, etc.

[0003] Most of the existing ventilation fans are of an integrated type, and the air duct and the motor are not easy to disassemble after installation, which makes the subsequent disassembly, maintenance and cleaning inconvenient and cumbersome, thus failing to meet the use requirements and reducing the practicality of the ventilation fan. Utility Model Content

[0004] The utility model provides a detachable ventilation fan, aiming to solve the problem that most ventilation fans are of an integrated type and the air duct and the motor are inconvenient to disassemble after installation, thus causing inconvenience and cumbersomeness in subsequent disassembly, maintenance and cleaning.

[0005] The utility model is achieved in this way, a detachable ventilation fan comprises a lower mounting cylinder: the top of the lower mounting cylinder is movably connected to the upper mounting cylinder, the top of the lower mounting cylinder is provided with a slot, the bottom of the upper mounting cylinder is fixedly connected with a block, the inner top wall of the upper mounting cylinder is fixedly connected with a telescopic sleeve, the outer wall of the telescopic sleeve is movably connected with a spring, one end of the telescopic sleeve is fixedly connected with an upper limit seat, the top of the upper limit seat is provided with a through slot, the front of the upper limit seat is fixedly connected with a grasping block, the inner wall of the upper limit seat is fixedly connected with an anti-slip pad, the inner wall of the anti-slip pad is movably connected with a motor, the output shaft of the motor is fixedly connected with blades through a coupling, the bottom of the motor is movably connected with a lower limit seat, the top of the lower limit seat is fixedly connected with a positioning column, the outer wall of the positioning column is provided with a limiting groove, and the inner wall of the limiting groove is movably connected to the limiting column.

[0006] Preferably, the upper limit seat and the lower limit seat are respectively fixedly connected to the upper mounting tube and the lower mounting tube through telescopic sleeves, and the upper limit seat and the lower limit seat are both arc-shaped limit seats.

[0007] Preferably, the lower mounting cylinder is movably connected to the clamping block via a clamping slot, and the clamping slot and the clamping block are a hexagonal clamping slot and a hexagonal clamping block respectively.

[0008] Preferably, the lower limit seat is movably connected to the upper limit seat via a positioning column, and the outer wall of the positioning column is movably connected to the inner wall of the through groove.

[0009] Preferably, the number of the springs is two, and one end of the two springs is fixedly connected to the outer wall of the upper limit seat and the outer wall of the lower limit seat respectively.

[0010] Preferably, there are two telescopic sleeves, and one end of the two telescopic sleeves is fixedly connected to the inner wall of the lower mounting tube and the inner wall of the upper mounting tube respectively.

[0011] Preferably, the anti-skid pad is a rubber anti-skid pad.

[0012] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0013] By setting the card slot and the card block, it is convenient to connect the lower mounting cylinder and the upper mounting cylinder, and it is convenient for later disassembly. When the motor and the blades need to be disassembled and cleaned, the limit column can be taken out from the positioning column first, and then the gripping block can be pulled in two directions to make the upper limit seat and the lower limit seat away from the outside of the motor, so as to facilitate quick disassembly of the motor. The structure is simple and the operation is convenient, which effectively avoids the inconvenience and tediousness of cleaning and maintenance caused by most ventilation fans being integrated, further improves the practicability of the fan and meets the needs of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a front view structural schematic diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the back structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the lower installation cylinder of the utility model;

[0017] Figure 4 It is a schematic diagram of the upper mounting tube structure of the utility model.

[0018] In the figure: 1. lower mounting cylinder; 2. upper mounting cylinder; 3. slot; 4. block; 5. telescopic sleeve; 6. spring; 7. upper limit seat; 8. anti-skid pad; 9. through slot; 10. gripping block; 11. motor; 12. blade; 13. lower limit seat; 14. positioning column; 15. limit slot; 16. limit column. DETAILED DESCRIPTION

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0020] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0021] The utility model provides a detachable ventilation fan. Figure 1-4 As shown, it includes a lower mounting tube 1: the top of the lower mounting tube 1 is movably connected to the upper mounting tube 2, the top of the lower mounting tube 1 is provided with a card slot 3, the bottom of the upper mounting tube 2 is fixedly connected with a card block 4, the inner top wall of the upper mounting tube 2 is fixedly connected with a telescopic sleeve 5, the outer wall of the telescopic sleeve 5 is movably connected with a spring 6, one end of the telescopic sleeve 5 is fixedly connected with an upper limit seat 7, the top of the upper limit seat 7 is provided with a through slot 9, the front of the upper limit seat 7 is fixedly connected with a grasping block 10, the inner wall of the upper limit seat 7 is fixedly connected with an anti-skid pad 8, the inner wall of the anti-skid pad 8 is movably connected with a motor 11, the output shaft of the motor 11 is fixedly connected with a blade 12 through a coupling, the bottom of the motor 11 is movably connected with a lower limit seat 13, the top of the lower limit seat 13 is fixedly connected with a positioning column 14, the outer wall of the positioning column 14 is provided with a limiting groove 15, and the inner wall of the limiting groove 15 is movably connected with a limiting column 16.

[0022] It should be noted that, since most of the existing ventilation fans are integrated, and the air duct and the motor are not convenient to disassemble after installation, which brings inconvenience and cumbersomeness to the later disassembly, maintenance and cleaning, it cannot meet the use requirements and reduces the practicality of the ventilation fan. Therefore, in order to solve the problem that most of the existing ventilation fans are integrated, and the air duct and the motor are not convenient to disassemble after installation, which brings inconvenience and cumbersomeness to the later disassembly, maintenance and cleaning, the present solution is convenient to install the lower mounting tube 1 and the upper mounting tube by setting the card slot 3 and the card block 4. 2, and it is convenient for later disassembly. When the motor 11 and the blade 12 need to be disassembled and cleaned, the limit column 16 can be taken out of the positioning column 14 first, and then the gripping block 10 is pulled in two directions to make the upper limit seat 7 and the lower limit seat 13 away from the outside of the motor 11, so as to facilitate the rapid disassembly of the motor 11. The structure is simple and the operation is convenient, which effectively avoids the inconvenience and cumbersomeness of cleaning and maintenance caused by most ventilation fans being integrated, further improves the practicability of the fan, and meets the needs of use.

[0023] Specifically, in this embodiment, the scheme mainly includes an upper limit seat 7 and a lower limit seat 13, which are respectively fixedly connected to the upper mounting tube 2 and the lower mounting tube 1 through a telescopic sleeve 5, and the upper limit seat 7 and the lower limit seat 13 are both arc-shaped limit seats, which can fit well with the outer wall of the motor 11, thereby effectively improving the installation effect of the motor 11.

[0024] In a further preferred embodiment of the present invention, Figure 3-4 As shown, the lower mounting tube 1 is movably connected to the clamping block 4 via the clamping slot 3, and the clamping slot 3 and the clamping block 4 are respectively a hexagonal clamping slot and a hexagonal clamping block, which can clamp and install the upper and lower mounting tubes, thereby improving the installation firmness of the upper and lower mounting tubes and facilitating disassembly and assembly.

[0025] In this embodiment, the limit column 16 can be first taken out from the limit groove 15 on the positioning column 14, and then the upper limit seat 7 and the lower limit seat 13 can be pulled in two directions respectively while holding the holding block 10 to move them away from each other, and the positioning column 14 can be moved away from the through groove 9 on the upper limit seat 7. The outer walls of the upper and lower limit seats are provided with telescopic sleeves 5 and springs 6, which can be telescopically deformed when the upper and lower limit seats move to provide connectivity, and are convenient for quickly disassembling the motor 11 and the blades 12 from the inside of the mounting tube, which is convenient for cleaning and maintenance. At the same time, the upper mounting tube 1 and the lower mounting tube 2 are pulled in two directions to disengage the card slot 3 from the card block 4, which is convenient for disassembling the mounting tube, thereby further facilitating cleaning and maintenance, and effectively improving the practicality of the fan.

[0026] In a further preferred embodiment of the present invention, Figure 1-4As shown, the lower limit seat 13 is movably connected to the upper limit seat 7 through the positioning column 14, and the outer wall of the positioning column 14 is movably connected to the inner wall of the through groove 9.

[0027] In this embodiment, the upper and lower limit seats can play a connecting role when the motor 11 is installed, thereby further facilitating the secure installation of the motor 11.

[0028] In a further preferred embodiment of the present invention, Figure 1-4 As shown, there are two springs 6 , and one end of the two springs 6 is fixedly connected to the outer wall of the upper limit seat 7 and the outer wall of the lower limit seat 13 respectively.

[0029] In this embodiment, the stability of the installation of the motor 11 can be improved, so that the upper and lower limit stops can be firmly fitted with the outer wall of the motor 11.

[0030] In a further preferred embodiment of the present invention, Figure 1-4 As shown, there are two telescopic sleeves 5 , and one end of the two telescopic sleeves 5 is fixedly connected to the inner wall of the lower mounting tube 1 and the inner wall of the upper mounting tube 2 , respectively.

[0031] In this embodiment, the upper and lower limit seats can be connected, so that the distance between the upper and lower limit seats can be adjusted easily, and the motor 11 can be quickly disassembled and assembled.

[0032] In a further preferred embodiment of the present invention, Figure 1-4 As shown, the anti-skid pad 8 is a rubber anti-skid pad.

[0033] In this embodiment, it can play a role of anti-slip and stabilization when the motor 11 is installed, thereby effectively improving the effect of the installation.

[0034] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the present invention is not limited by the described action sequence, because according to the present invention, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

[0035] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0036] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0037] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A detachable ventilation fan, characterized in that: The invention comprises a lower mounting tube (1): the top of the lower mounting tube (1) is movably connected to the upper mounting tube (2); the top of the lower mounting tube (1) is provided with a clamping groove (3); the bottom of the upper mounting tube (2) is fixedly connected to a clamping block (4); the inner top wall of the upper mounting tube (2) is fixedly connected to a telescopic sleeve (5); the outer wall of the telescopic sleeve (5) is movably connected to a spring (6); one end of the telescopic sleeve (5) is fixedly connected to an upper limit seat (7); the top of the upper limit seat (7) is provided with a through groove (9); the front surface of the upper limit seat (7) is fixedly connected to the upper limit seat (7); A gripping block (10) is fixedly connected to the inner wall of the upper limit seat (7) and an anti-skid pad (8) is fixedly connected to the inner wall of the anti-skid pad (8), a motor (11) is movably connected to the inner wall of the anti-skid pad (8), an output shaft of the motor (11) is fixedly connected to a blade (12) via a coupling, a bottom of the motor (11) is movably connected to a lower limit seat (13), a top of the lower limit seat (13) is fixedly connected to a positioning column (14), an outer wall of the positioning column (14) is provided with a limiting groove (15), and the inner wall of the limiting groove (15) is movably connected to the limiting column (16).

2. A detachable ventilation fan as claimed in claim 1, characterized in that: The upper limit seat (7) and the lower limit seat (13) are respectively fixedly connected to the upper mounting tube (2) and the lower mounting tube (1) via a telescopic sleeve (5), and both the upper limit seat (7) and the lower limit seat (13) are arc-shaped limit seats.

3. A detachable ventilation fan as claimed in claim 1, characterized in that: The lower mounting cylinder (1) is movably connected to the clamping block (4) via the clamping slot (3), and the clamping slot (3) and the clamping block (4) are respectively a hexagonal clamping slot and a hexagonal clamping block.

4. A detachable ventilation fan as claimed in claim 1, characterized in that: The lower limit seat (13) is movably connected to the upper limit seat (7) via a positioning column (14), and the outer wall of the positioning column (14) is movably connected to the inner wall of the through groove (9).

5. A detachable ventilation fan as claimed in claim 1, characterized in that: The number of the springs (6) is two, and one end of the two springs (6) is fixedly connected to the outer wall of the upper limit seat (7) and the outer wall of the lower limit seat (13), respectively.

6. A detachable ventilation fan as claimed in claim 1, characterized in that: The number of the telescopic sleeves (5) is two, and one end of the two telescopic sleeves (5) is fixedly connected to the inner wall of the lower mounting tube (1) and the inner wall of the upper mounting tube (2), respectively.

7. A detachable ventilation fan as claimed in claim 1, characterized in that: The anti-skid pad (8) is a rubber anti-skid pad.

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