Waterproof and dustproof fan motor

Abstract

The utility model relates to the technical field of motors, in particular to a waterproof and dustproof fan motor, which comprises a shell, an end cover, a connecting piece and an unlocking assembly, an output shaft is arranged at the center of one end of the shell, the end cover is arranged at the other end of the shell, and the waterproof and dustproof fan motor adopts the design of the connecting piece (comprising an elastic piece, a [-shaped fixing plate and a screw). The condition that a traditional integrated structure is inconvenient to disassemble and assemble is changed. When the fan motor needs to be repaired and inspected, the fixing of the end cover by the connecting piece can be removed through corresponding operation, and the end cover can be easily taken down, so that the inner part of the motor can be conveniently contacted, internal parts and the like can be maintained, inspected or repaired, and compared with a traditional integrated shell which is inconvenient to disassemble and assemble, the operation convenience is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor technical field, concretely is a waterproof dustproof fan motor. BACKGROUND

[0002] Fan motor is the core component of fan, and its main function is to convert electric energy into mechanical energy to drive the blade of fan to rotate and produce airflow.

[0003] Fan motor often has waterproof and dustproof effect, and if its shell is of integral structure, it is inconvenient to disassemble, maintain and check, and is inconvenient to use. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the deficiency of prior art, the utility model provides a waterproof dustproof fan motor.

[0006] (II) technical scheme

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a waterproof dustproof fan motor, including shell, end cover, connecting piece and unlocking assembly, the center of one end of shell is provided with output shaft, the other end of shell is provided with end cover, shell is still provided with connecting piece that is connected with end cover, connecting piece includes elastic piece, fixed plate that is shaped and screw, the both ends of elastic piece are connected with the lateral wall of fixed plate and shell respectively, the free end of fixed plate is still provided with inclined plane away from one end of shell, end cover is arranged between the free end of fixed plate and shell, end cover is still provided with screw that is connected with shell.

[0008] In order to facilitate screwing, the utility model improves that the screw tip is still provided with two groups of symmetrically arranged end pieces.

[0009] Preferably, the elastic piece includes a spring and a telescopic rod, the spring is sleeved on the telescopic rod, and the both ends of the spring and the telescopic rod are connected with the fixed plate and the shell respectively.

[0010] Preferably, the end cover is in inverted T shape in cross section.

[0011] In order to guarantee the sealing property of the connection between the end cover and the shell, the utility model improves that the smaller diameter end of the end cover is further provided with a plurality of friction rings.

[0012] In order to facilitate unlocking of a plurality of fixed plates at the same time, the utility model improves that the shell is further provided with an external thread near one end of the elastic piece, and the shell is further provided with an unlocking ring, and the unlocking ring is threadedly connected with the external thread.

[0013] (III) beneficial effects

[0014] Compared with the prior art, the waterproof and dustproof fan motor has the following advantages

[0015] Beneficial effects:

[0016] The waterproof and dustproof fan motor adopts the design of the connecting piece (including the elastic piece, the shaped fixing plate and the screw), changes the inconvenient disassembly condition of the traditional integrated structure, and when it is necessary to maintain and check the fan motor, the fixing of the connecting piece on the end cover can be released through corresponding operation, the end cover is easily taken down, and then the inside of the motor can be conveniently contacted, and the internal parts and the like are maintained, checked or repaired, compared with the inconvenient disassembly of the traditional integrated shell, the operation convenience is greatly improved.

[0017] The smaller end of the outer diameter of the end cover is provided with a plurality of groups of friction rings, when the end cover is connected and installed with the shell through the connecting piece, the friction rings can enhance the sealing property of the connection between the end cover and the shell, effectively prevent dust, moisture and the like in the outside from entering the inside of the motor, and the waterproof and dustproof functions are well realized, the motor can be stably worked in a relatively clean and dry environment, the service life of the motor is prolonged, and good working performance is maintained. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a back view schematic view of the structure of the utility model;

[0019] Figure 2 It is a front view schematic view of the structure of the utility model;

[0020] Figure 3 It is a partial schematic view of the structure of the utility model;

[0021] Figure 4 It is a structure Figure 1 of the utility model.

[0022] In the drawing: 1, shell; 2, end cover; 3, output shaft; 4, fixing plate; 5, screw; 6, inclined surface; 7, end piece; 8, spring; 9, telescopic rod; 10, friction ring; 11, unlocking ring. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] Please refer to Figures 1-4The utility model provides a waterproof and dustproof fan motor, including casing 1, end cover 2, connecting piece and unlocking assembly, the output shaft 3 is provided with in casing 1 one end center, the other end of casing 1 is provided with end cover 2, still be provided with the connecting piece of end cover 2 connection on casing 1, the connecting piece includes elastic member, the fixed plate 4 of the shape of and screw 5, the elastic member both ends are connected with the lateral wall of fixed plate 4 and casing 1 respectively, the both free ends of fixed plate 4 are away from the other end of casing 1 still be provided with inclined plane 6, end cover 2 is arranged between the free end of fixed plate 4 and casing 1, still be provided with the screw 5 of casing 1 connection on end cover 2.

[0025] In normal installation state, the fixed plate 4 of the shape of is connected with casing 1 through elastic member (is composed of spring 8 and telescopic rod 9, spring 8 is sleeved on telescopic rod 9, and both ends are connected with fixed plate 4 and casing 1 respectively), and the elastic action of elastic member makes fixed plate 4 keep certain position and tension.End cover 2 is placed between the free end of fixed plate 4 and casing 1, and then end cover 2 is fixedly connected with casing 1 through screw 5.At this time, the inclined plane 6 of both free ends of fixed plate 4 away from the other end of casing 1 plays the guiding action of facilitating the installation of end cover 2 to the position, makes end cover 2 enter the appropriate installation position smoothly and be fixed, thereby realizing the stable connection of end cover 2 and casing 1, ensuring the sealing property and integrity of the overall structure of motor, so that the motor can work normally.

[0026] In the embodiment, the end of screw 5 is also provided with two groups of symmetrically arranged end pieces 7, and the end of screw 5 is provided with two groups of symmetrically arranged end pieces 7.When it is necessary to twist screw 5 to install or dismount end cover 2, the operator can clamp end pieces 7 by using a tool (such as a pair of pliers or other tools capable of clamping end pieces 7) and rotate screw 5 by exerting an external force.Compared with the head of a common screw 5, the setting of end pieces 7 increases the forceable part, facilitates the operator to exert force to twist screw 5, and makes the connection or dismounting operation between end cover 2 and casing 1 easier to perform.

[0027] In actual use, the cross section of end cover 2 is inverted T-shaped, and the smaller outer diameter end of end cover 2 is also provided with a plurality of groups of friction rings 10 to ensure the sealing property of the connection between casing 1 and end cover 2.

[0028] In actual use, the shell 1 is also provided with an external thread at one end close to the elastic member, and the shell 1 is also provided with an unlocking ring 11, which is threadedly connected with the external thread, and when the fan motor needs to be maintained and inspected, the external thread provided on the shell 1 cooperates with the unlocking ring 11 to play a role. Since the unlocking ring 11 is threadedly connected with the external thread, by rotating the unlocking ring 11, the unlocking ring 11 will move along the external thread, and in the moving process, it will interact with one end of the elastic member (the part of the elastic member close to the unlocking ring 11), push the elastic member and drive the fixed plate 4 to displace, so that the fixed plate 4 removes the fixing effect on the end cover 2, so that the end cover 2 can be easily removed, and subsequent operations such as maintenance, inspection or repair of the internal parts of the motor are facilitated, which changes the inconvenient disassembly of the traditional integrated structure and improves the operation convenience.

[0029] In this document, the term "embodiment" means that the specific features, structures, or characteristics described in connection with the embodiment can be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, and does not particularly limit the independence or association between other embodiments. In principle, in this application, as long as there is no technical contradiction or conflict, the technical features mentioned in each embodiment can be combined in any way to form a corresponding implementable technical solution.

[0030] Unless otherwise defined, the meanings of the technical terms used herein are the same as those commonly understood by those skilled in the art to which the present application belongs; the use of related terms herein is only for the purpose of describing specific embodiments, and is not intended to limit the present application.

[0031] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application.

Claims

1. A waterproof and dustproof fan motor, comprising a shell (1), an end cover (2), a connecting piece and an unlocking assembly, characterized in that: The housing (1) is centrally provided with an output shaft (3) at one end, and is provided with the end cover (2) at the other end, and is further provided with a connecting piece connected with the end cover (2), the connecting piece comprising an elastic piece, a fixed plate (4) in the shape of a Chinese character and a screw (5), the elastic piece being connected with the side wall of the housing (1) and the fixed plate (4) at two ends respectively, the fixed plate (4) being further provided with an inclined surface (6) at two free ends away from one end of the housing (1), the end cover (2) being arranged between one free end of the fixed plate (4) and the housing (1), and the end cover (2) being further provided with the screw (5) connected with the housing (1).

2. A waterproof and dustproof fan motor according to claim 1, characterized in that: The end of the screw (5) is further provided with two groups of symmetrically arranged end pieces (7).

3. A waterproof and dustproof fan motor according to claim 2, characterized in that: The elastic piece comprises a spring (8) and a telescopic rod (9), the spring (8) being sleeved on the telescopic rod (9), and the spring (8) and the telescopic rod (9) being connected with the fixed plate (4) and the housing (1) at two ends respectively.

4. A dust and water resistant fan motor as set forth in claim 3, wherein: The end cover (2) is in the shape of an inverted T in cross section.

5. A waterproof and dustproof fan motor according to claim 4, characterized in that: The smaller-diameter end of the end cover (2) is further provided with a plurality of groups of friction rings (10).

6. A waterproof and dustproof fan motor according to claim 5, characterized in that: The housing (1) is further provided with an external thread at one end close to the elastic piece, and is further provided with an unlocking ring (11) on the housing (1), the unlocking ring (11) being threadedly connected with the external thread.

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