Electric fan speed regulator with multiple gears

Abstract

The electric fan speed regulator with the multiple gears comprises an electric fan shell, a limiting frame is fixedly connected to the middle end of the electric fan shell, a speed regulator body is movably connected between an inner cavity of the limiting frame and the surface of the electric fan shell, and a limiting pin hole is formed in the middle end of the top of the speed regulator body. And a limiting pin rod is movably connected between the upper end of the limiting pin hole and the middle end of the top of the limiting frame. Through the arrangement of the electric fan shell and the limiting frame, the speed regulator body can be effectively limited, the speed regulator body is prevented from displacing along the surface of the electric fan shell in the using process, through the arrangement of the limiting pin hole and the limiting pin rod, the speed regulator body and the limiting frame can be effectively limited, and the speed regulator body is prevented from being damaged. And displacement of the speed regulator body along the surface of the limiting frame in the using process is avoided, and the purpose of effectively installing and fixing the speed regulator body is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric fan speed regulator technical field, concretely is a kind of electric fan speed regulator with multiple gears. BACKGROUND

[0002] Electric fan speed regulator is a kind of device that can control electric fan rotating speed, the rotating speed of electric fan is adjusted by adjusting the size of current or voltage to realize the effect of adjusting the wind power of electric fan, so as to meet the use demand under different environments.

[0003] The existing electric fan speed regulator is usually installed and fixed between the whole and the electric fan shell by screw during use, when the electric fan speed regulator is damaged in later period, personnel often need to use tools to disassemble and replace it, the whole operation is more cumbersome, and the time required is longer, so as to bring certain inconvenience to the use of personnel. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of electric fan speed regulator with multiple gears, with the advantages of facilitating personnel to quickly install and disassemble electric fan speed regulator, convenient and fast operation, and improving the efficiency of personnel maintenance operation.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of electric fan speed regulator with multiple gears, including electric fan shell, the middle end of electric fan shell is fixedly connected with limiting frame, the inner cavity of limiting frame is movably connected with the surface of electric fan shell with speed regulator body, the middle end of the top of speed regulator body is provided with limiting pin hole, the upper end between the middle end of the top of limiting frame is movably connected with limiting pin rod, the top of limiting pin rod is fixedly connected with metal spring washer, the both sides of metal spring washer are fixedly connected with horizontal shaft, and the top of horizontal shaft is fixedly connected with push block.

[0006] As a preferred scheme, the middle end of the front surface of speed regulator body is fixedly connected with terminal block, the middle end of terminal block is fixedly installed with wire, the periphery of terminal block is movably connected with dust cover, the middle end of the front surface of dust cover is fixedly connected with wire arranging barrel, the inner cavity of wire arranging barrel is fixedly connected with dustproof rubber ring, and the surface of dustproof rubber ring is movably connected to the surface of wire.

[0007] As a preferred scheme, the both sides of terminal block are provided with containing hole, the both sides of the inner cavity of dust cover are provided with limiting recess, the surface between the surface of limiting recess and containing hole is movably connected with limiting block, and the surface between the surface of limiting block and containing hole is fixedly connected with second spring.

[0008] As a preferred scheme, the bottom of the metal elastic sheet is fixedly connected with a first spring at both ends, and the bottom of the first spring is fixedly connected to the top of the outer surface of the limiting frame.

[0009] As a preferred scheme, the bottom of the metal elastic sheet is fixedly connected with a first spring at both ends, and the bottom of the first spring is fixedly connected to the top of the outer surface of the limiting frame.

[0010] As a preferred scheme, the middle end of the back surface of the electric fan shell is provided with a through hole, the back surface of the speed regulator body is fixedly installed with a gear button, and the surface of the gear button is movably connected to the surface of the through hole.

[0011] As a preferred scheme, the two sides of the outer surface of the limiting frame and the two ends of the electric fan shell are fixedly connected with reinforcing plates, the number of the reinforcing plates is six, and the reinforcing plates are triangular in shape.

[0012] Compared with the prior art, the electric fan shell has the following advantages:

[0013] 1. The electric fan shell and the limiting frame are arranged, the speed regulator body can be effectively limited, displacement of the speed regulator body along the surface of the electric fan shell during use is avoided, the limiting pin hole and the limiting pin rod are arranged, the speed regulator body and the limiting frame can be effectively limited, displacement of the speed regulator body along the surface of the limiting frame during use is avoided, the purpose of effectively installing and fixing the speed regulator body is achieved, the push block, the horizontal shaft, the metal elastic sheet, the limiting pin rod, the limiting pin hole, the limiting frame and the electric fan shell are arranged, the effect of quickly disassembling the speed regulator body is achieved, the overall operation is convenient and fast, and the efficiency of personnel maintenance and replacement work is effectively improved.

[0014] 2. The dust cover, the wire arranging drum and the dustproof rubber ring are arranged, the periphery of the wiring part between the wiring seat and the wire can be effectively protected, short circuit caused by dust or foreign matter attachment between the wiring seat and the wire during use is avoided, the safety of overall use is improved, the containing hole, the limiting groove, the limiting block and the second spring are arranged, the dust cover and the wiring seat can be effectively limited, the dust cover is prevented from falling off the surface of the wiring seat during use, and when a person needs to disassemble the wire connected to the wiring seat, the dust cover only needs to be pulled to make the limiting block disengage from the limiting groove, so that the dust cover is conveniently taken off.

[0015] 3, The utility model discloses a first spring's setting can stretch to the first spring when the metal spring piece is pressed and causes the middle end to produce the protrusion, and the first spring can produce the tension to the metal spring piece, so that the first spring can pull down the metal spring piece and reset when subsequent personnel stop pushing the push block, through the setting of the guide frame, reach the purpose of guiding the horizontal shaft, avoid the horizontal shaft inclination deviation in the process of moving, through the setting of the through -hole, can contain the gear button on the speed regulator body, so that personnel control the gear button on the speed regulator body through the one side of electric fan casing, and can adjust the gear of electric fan, through the setting of the reinforcing pad, effectively improved the strength that connects between the limiting frame and electric fan casing. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the perspective view of the utility model;

[0017] Figure 2 It is the left side cross section structure schematic diagram of the utility model;

[0018] Figure 3 It is the limiting frame partial structure schematic diagram of the utility model;

[0019] Figure 4 It is the dust cover overhead section structure schematic diagram of the utility model;

[0020] Figure 5 It is the dust cover overhead section structure schematic diagram of the utility model; Figure 4 The partial close -up of A in the utility model.

[0021] In the drawing: 1, speed regulator body;2, electric fan casing;3, limiting frame;4, reinforcing pad;5, dust cover;6, limit pin hole;7, limit pin;8, wiring seat;9, gear button;10, through -hole;11, horizontal shaft;12, push block;13, first spring;14, metal spring piece;15, guide frame;16, dustproof rubber ring;17, wire;18, wire arranging cylinder;19, containing hole;20, second spring;21, limiting block;22, limit recess. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely 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 the person skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Secondly, the "one embodiment" or "embodiment" referred to herein means a specific feature, structure, or characteristic that can be included in at least one implementation of the present application. The "in one embodiment" appearing in various places in the specification does not all refer to the same embodiment, nor does it necessarily refer to a single or alternative embodiment.

[0024] Embodiment one:

[0025] Please refer to Figures 1-3 As shown in the figure, the utility model provides a kind of multi-gear electric fan speed regulator, including electric fan shell 2, the middle end of electric fan shell 2 is fixedly connected with limiting frame 3, the inner cavity of limiting frame 3 is movably connected between the surface of electric fan shell 2 with speed regulator body 1, the middle end of the top of speed regulator body 1 is equipped with limiting pin hole 6, limiting pin hole 6 is movably connected between the middle end of the top of limiting frame 3 with limiting pin rod 7, the top of limiting pin rod 7 is fixedly connected with metal spring piece 14, the both sides of metal spring piece 14 are fixedly connected with horizontal shaft 11, the top of horizontal shaft 11 is fixedly connected with push block 12.

[0026] In the technical scheme, by the setting of electric fan shell 2 and limiting frame 3, the speed regulator body 1 can be effectively limited, to avoid the displacement of speed regulator body 1 along the surface of electric fan shell 2 during use, by the setting of limiting pin hole 6 and limiting pin rod 7, the speed regulator body 1 and limiting frame 3 can be effectively limited, to avoid the displacement of speed regulator body 1 along the surface of limiting frame 3 during use, to achieve the purpose of effectively installing and fixing speed regulator body 1, by the setting of push block 12, horizontal shaft 11, metal spring piece 14, limiting pin rod 7, limiting pin hole 6, limiting frame 3 and electric fan shell 2, the effect of quickly disassembling speed regulator body 1 is achieved, the overall operation is convenient and fast, and the efficiency of personnel maintenance and replacement operation is effectively improved.

[0027] Embodiment two:

[0028] On the basis of embodiment one, the utility model as Figure 1 、 Figure 2 、 Figure 4 And Figure 5As shown, the middle end of the front surface of the speed regulator body 1 is fixedly connected with a terminal block 8, the middle end of the terminal block 8 is fixedly installed with a wire 17, the periphery of the terminal block 8 is movably connected with a dust cover 5, the middle end of the front surface of the dust cover 5 is fixedly connected with a wire arranging cylinder 18, the inner cavity of the wire arranging cylinder 18 is fixedly connected with a dustproof rubber ring 16, the surface of the dustproof rubber ring 16 is movably connected to the surface of the wire 17, both sides of the terminal block 8 are provided with containing holes 19, both sides of the inner cavity of the dust cover 5 are provided with limiting grooves 22, the surface of the limiting grooves 22 and the surface of the containing holes 19 are movably connected with limiting blocks 21, and the surface of the limiting blocks 21 and the surface of the containing holes 19 are fixedly connected with second springs 20.

[0029] In the technical scheme, the dust cover 5, the wire arranging cylinder 18 and the dustproof rubber ring 16 are arranged to effectively protect the wire connecting part between the terminal block 8 and the wire 17, avoid short circuit caused by dust or foreign matter attachment between the terminal block 8 and the wire 17 during use, and improve the safety of the whole use.

[0030] Embodiment three:

[0031] On the basis of the embodiment one, the utility model discloses a metal elastic sheet 14 bottom's both ends are fixedly connected with first spring 13, and the bottom of first spring 13 is fixedly connected to the top of the outer surface of the limiting frame 3. Figures 1-3 As shown, the middle end of the back of the electric fan shell 2 is provided with a through hole 10, the back of the speed regulator body 1 is fixedly installed with a gear button 9, the surface of the gear button 9 is movably connected to the surface of the through hole 10, the both sides of the outer surface of the limiting frame 3 and the both ends of the electric fan shell 2 are fixedly connected with reinforcing plates 4, the number of reinforcing plates 4 is six, and the shape of the reinforcing plate 4 is triangular.

[0032] The first spring 13 can be stretched when the metal spring plate 14 is pressed to cause the middle end to protrude, so that the first spring 13 can generate a pulling force on the metal spring plate 14, so that the first spring 13 can pull the metal spring plate 14 downward to reset when subsequent personnel stop pushing the push block 12, the guide frame 15 is arranged to guide the horizontal shaft 11, avoid the horizontal shaft 11 from tilting and deviating during movement, the through hole 10 is arranged to accommodate the gear button 9 on the speed regulator body 1, so that personnel can operate the gear button 9 on the speed regulator body 1 through one side of the electric fan shell 2 to adjust the gear of the electric fan, and the strength of the connection between the limiting frame 3 and the electric fan shell 2 is effectively improved by the reinforcing plate 4.

[0033] The working principle of the utility model is: through the setting of electric fan shell 2 and limiting frame 3, the speed regulator body 1 can be effectively limited, the speed regulator body 1 is prevented from displacing along the surface of electric fan shell 2 during use, and through the setting of limiting pin hole 6 and limiting pin 7, the speed regulator body 1 and limiting frame 3 can be effectively limited, the speed regulator body 1 is prevented from displacing along the surface of limiting frame 3 during use, the purpose of effectively installing and fixing the speed regulator body 1 is achieved, and when the speed regulator body 1 needs to be disassembled and replaced, the horizontal shaft 11 can be moved by pressing two groups of push block 12 to move to the side close to each other, the metal spring plate 14 can be pressed while the horizontal shaft 11 moves, so that the middle region of the metal spring plate 14 can protrude upward under the action of pressure, the limiting pin 7 can be moved upward during the protrusion of the middle region of the metal spring plate 14, until the limiting pin 7 can be separated from the surface of the limiting pin hole 6, the limiting between the speed regulator body 1 and the limiting frame 3 is released, then personnel can take the speed regulator body 1 from the surface of the limiting frame 3 and the electric fan shell 2, so that the effect of quickly disassembling the speed regulator body 1 is achieved, the overall operation is convenient and fast, and the efficiency of personnel maintenance and replacement work is effectively improved.

[0034] It is important to note that the construction and arrangement of the application shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review the present disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in the present application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be varied or re-sequenced without materially affecting the application. Any "means plus function" clauses are intended to cover the structures described herein as performing the recited functionality and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating

[0035] Also, to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described (i.e., those related to the

[0036] Finally, it should be noted that the above-mentioned embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the protective scope of the present application. Although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. A multi-speed electric fan speed controller comprising an electric fan housing (2) characterized by: The middle end of the electric fan shell (2) is fixedly connected with a limiting frame (3), the inner cavity of the limiting frame (3) is movably connected with the surface of the electric fan shell (2), a speed regulator body (1) is arranged between the inner cavity of the limiting frame (3) and the surface of the electric fan shell (2), a limiting pin hole (6) is arranged in the middle end of the top of the speed regulator body (1), a limiting pin rod (7) is movably connected between the upper end of the limiting pin hole (6) and the middle end of the top of the limiting frame (3), a metal spring plate (14) is fixedly connected to the top of the limiting pin rod (7), lateral shafts (11) are fixedly connected to the two sides of the metal spring plate (14), and push blocks (12) are fixedly connected to the top of the lateral shafts (11).

2. A multi-speed electric fan speed controller as claimed in claim 1, wherein: The middle end of the front surface of the speed regulator body (1) is fixedly connected with a wire holder (8), wires (17) are fixedly arranged in the middle end of the wire holder (8), a dust cover (5) is movably connected between the four sides of the wire holder (8), a wire arranging cylinder (18) is fixedly connected to the middle end of the front surface of the dust cover (5), a dustproof rubber ring (16) is fixedly connected in the inner cavity of the wire arranging cylinder (18), and the surface of the dustproof rubber ring (16) is movably connected to the surface of the wire (17).

3. A multi-speed electric fan speed controller as claimed in claim 2, wherein: Accommodation holes (19) are arranged in the two sides of the wire holder (8), limiting grooves (22) are arranged in the two sides of the inner cavity of the dust cover (5), limiting blocks (21) are movably connected between the surface of the limiting groove (22) and the surface of the accommodation hole (19), and second springs (20) are fixedly connected between the surface of the limiting block (21) and the surface of the accommodation hole (19).

4. A multi-speed electric fan speed controller as claimed in claim 1, wherein: First springs (13) are fixedly connected to the two ends of the bottom of the metal spring plate (14), and the bottom of the first spring (13) is fixedly connected to the top of the outer surface of the limiting frame (3).

5. A multi-speed electric fan speed controller as claimed in claim 1, wherein: Guiding frames (15) are movably connected between the two ends of the two lateral shafts (11), and the bottom of the guiding frame (15) is fixedly connected to the top of the outer surface of the limiting frame (3).

6. A multi-speed electric fan speed controller as claimed in claim 1, wherein: A through hole (10) is arranged in the middle end of the back surface of the electric fan shell (2), a gear button (9) is fixedly arranged on the back surface of the speed regulator body (1), and the surface of the gear button (9) is movably connected to the surface of the through hole (10).

7. A multi-speed electric fan speed controller as claimed in claim 1, wherein: Reinforcing plates (4) are fixedly connected between the two sides of the outer surface of the limiting frame (3) and the two ends of the electric fan shell (2), the number of the reinforcing plates (4) is six, and the reinforcing plates (4) are triangular in shape.

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