Potentiometer adjusting device and pet hair suction device using same

Abstract

The utility model discloses a potentiometer adjusting device which comprises a potentiometer, a control circuit board and an adjusting button, the adjusting button is used for adjusting the potentiometer, the adjusting button comprises a fixing frame, a display assembly, an outer rotating sleeve piece and an inner rotating sleeve piece, the fixing frame is connected to the control circuit board, and the display assembly is connected to the outer rotating sleeve piece. The display assembly is installed on the side, opposite to the control circuit board, of the fixing frame, the inner rotating sleeve piece is arranged at the inner end of the fixing frame in a sleeving mode, the outer rotating sleeve piece is arranged at the outer end of the fixing frame in a sleeving mode, the outer rotating sleeve piece and the inner rotating sleeve piece are detachably connected, a gear ring is arranged on the periphery of the inner rotating sleeve piece, and the display device further comprises a transmission gear. The transmission gear is arranged on a rotating shaft of the potentiometer and is meshed with the gear ring; and the rotating shaft of the potentiometer can be driven to rotate by operating and rotating the outer rotating sleeve piece. The potentiometer adjusting device is attractive and compact in structure, small in size, capable of containing small-size electric appliances and wide in application range.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical switches, in particular to a potentiometer adjusting device and a pet hair sucker using the same. Background Art

[0002] A mechanical switch is a component that uses mechanical manipulation to open, close, or switch circuits. A structure that mechanically adjusts a potentiometer is called a potentiometer switch or potentiometer adjustment device. A potentiometer is a type of variable resistor, typically consisting of a resistor and a rotating or sliding system. A moving contact moves across the resistor to produce a partial voltage output. Therefore, a potentiometer is used to adjust voltage and current, and can be used as a volume and power control switch on various electrical appliances.

[0003] The operating part and display part of the traditional potentiometer adjustment device are designed separately, which is not only not aesthetically pleasing but also not conducive to saving space. Especially in some small-sized electrical appliances, there is often a problem that the potentiometer adjustment device cannot be accommodated due to insufficient space. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a potentiometer adjustment device, which has a beautiful and compact structure, a small size, can accommodate small-sized electrical appliances, and has a wide range of applications.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] A potentiometer adjustment device comprises a potentiometer, a control circuit board and an adjustment button, wherein the adjustment button is used to adjust the potentiometer, the potentiometer is arranged on a first side of the control circuit board, and its rotating shaft passes through the control circuit board and extends to the second side of the control circuit board, the adjustment button is arranged on the second side of the control circuit board, the adjustment button comprises a fixing frame, a display component, an outer rotating kit and an inner rotating kit, the fixing frame is connected to the control circuit board, the display component is installed on the side of the fixing frame facing away from the control circuit board, the inner rotating kit is sleeved on the inner end of the fixing frame, the outer rotating kit is sleeved on the outer end of the fixing frame, the outer rotating kit and the inner rotating kit are detachably connected, a gear ring is provided on the outer periphery of the inner rotating kit, and also includes a transmission gear, the transmission gear is installed on the rotating shaft of the potentiometer and meshes with the gear ring, and rotating the outer rotating kit can drive the rotating shaft of the potentiometer to rotate.

[0007] As a further improvement, the detachable connection between the outer rotating kit and the inner rotating kit includes: a snap opening is provided on the side of the inner rotating kit facing the outer rotating kit, and a snap arm is provided on the outer rotating kit, and the snap arm extends into the snap opening for snap connection.

[0008] As a further improvement, a flange portion is provided on the outer periphery of the inner rotating sleeve, the gear ring is located on the inner rotating sleeve inside the flange portion, the snap opening is located on the flange portion, and the diameter of the flange portion is larger than the diameter of the outer rotating sleeve.

[0009] The utility model also provides a pet hair vacuum, comprising a potentiometer adjusting device, wherein the potentiometer adjusting device is configured as any one of the above-described potentiometer adjusting devices.

[0010] As a further improvement, the invention further comprises a base and a storage body, wherein the storage body is detachably arranged on the base, and the potentiometer adjustment device is arranged on the base.

[0011] As a further improvement, two fixing columns are arranged opposite to each other in the base body, and the opposite side walls of the two fixing columns are each provided with a mounting groove, and the two sides of the control circuit board are pluggably arranged in the mounting groove in a one-to-one correspondence.

[0012] As a further improvement, a button through hole is provided on the base body at a position corresponding to the adjustment button, and the outer rotating sleeve of the adjustment button passes through the button through hole and extends out of the base body.

[0013] As a further improvement, when the outer periphery of the inner rotating sleeve is provided on the flange portion, the outer side of the flange portion is abutted against the inner wall of the seat inside the button through hole.

[0014] As a further improvement, a hair cavity is provided in the bin body, an installation cavity and an air suction cavity are provided in the base body, the installation cavity is isolated from the air suction cavity, and the potentiometer adjustment device is installed in the installation cavity.

[0015] Compared with the prior art, the present invention has the following beneficial technical effects:

[0016] This potentiometer adjustment device utilizes a removable outer and inner rotating components, minimizing installation and removal. Furthermore, the potentiometer and adjustment button are staggered and located on opposite sides of the control circuit board, utilizing gear meshing transmission to maximize utilization of limited space and achieve a compact overall structure. Consequently, the potentiometer adjustment device boasts an attractive and compact structure, allowing it to accommodate even small electrical appliances and has a wide range of applications.

[0017] The pet hair vacuum cleaner of the present invention has the same beneficial effects due to the application of the above-mentioned potentiometer adjustment device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1A perspective view of a potentiometer adjustment device according to an embodiment of the present invention;

[0019] Figure 2 A cross-sectional view of a potentiometer adjustment device according to an embodiment of the present invention;

[0020] Figure 3 An exploded view of a potentiometer adjustment device according to an embodiment of the present utility model;

[0021] Figure 4 A three-dimensional diagram of a pet hair vacuum according to an embodiment of the present invention;

[0022] Figure 5 This is a structural diagram of the potentiometer adjustment device on the pet hair vacuum according to an embodiment of the present utility model;

[0023] Figure 6 This is a cross-sectional view of a pet hair vacuum according to an embodiment of the present invention.

[0024] Reference numerals:

[0025] Warehouse body 1, base body 2, main body 11, bottom cover 12, hair cavity 13, installation cavity 21, suction cavity 22, air inlet structure 23, air outlet structure 24, potentiometer adjustment device 3, power supply component 4, suction device 5, fixing column 6, adjustment button 30, potentiometer 31, control circuit board 32, inner rotating kit 33, outer rotating kit 34, display component 35, transmission gear 36, gear ring 37, fixing frame 38, flange portion 39, snap opening 331, snap arm 341, installation slot 61. DETAILED DESCRIPTION

[0026] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be understood as limiting the present invention.

[0027] In the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like are used to indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, they are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0028] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed connections, removable connections, or integral connections. They may refer to mechanical connections or electrical connections. They may refer to direct connections or indirect connections through an intermediary, and they may refer to internal communication between two components or the interaction between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0029] like Figure 1-3 As shown, a potentiometer adjustment device includes a potentiometer 31, a control circuit board 32 and an adjustment button 30, wherein the adjustment button 30 is used to adjust the potentiometer 31. The potentiometer 31 is provided on a first side of the control circuit board 32, and its rotation axis passes through the control circuit board 21 and extends to a second side of the control circuit board 21. The adjustment button 30 is provided on the second side of the control circuit board 21. The adjustment button 30 includes a fixing frame 38, a display component 35, an outer rotating kit 34 and an inner rotating kit 33. The fixing frame 38 is connected to the control circuit board 21. The display component 35 is installed on the side of the fixing frame 38 facing away from the control circuit board 21, the inner rotating kit 33 is mounted on the inner end of the fixing frame 38, and the outer rotating kit 34 is mounted on the outer end of the fixing frame 38. The outer rotating kit 34 and the inner rotating kit 33 are detachably connected. A gear ring 37 is provided on the outer periphery of the inner rotating kit 33, and also includes a transmission gear 36. The transmission gear 36 is mounted on the rotating shaft of the potentiometer 31 and meshes with the gear ring 37. Operating and rotating the outer rotating kit 34 can drive the rotating shaft of the potentiometer 31 to rotate.

[0030] The detachable connection between the outer rotating kit 34 and the inner rotating kit 33 includes: a snap opening 331 is provided on the side of the inner rotating kit 33 facing the outer rotating kit 34, and a snap arm 341 is provided on the outer rotating kit 34, and the snap arm 341 extends into the snap opening 331 for snap connection.

[0031] A flange portion 39 is provided on the outer periphery of the inner rotating sleeve 33 , the gear ring 37 is located on the inner rotating sleeve 33 inside the flange portion 39 , the snap opening is located on the flange portion 39 , and the diameter of the flange portion 39 is larger than the diameter of the outer rotating sleeve 34 .

[0032] The potentiometer adjustment device of this utility model utilizes a removable connection between an outer rotating assembly 34 and an inner rotating assembly 33, thereby requiring a smaller footprint during installation and removal. Furthermore, the potentiometer 31 and adjustment button 30 are staggered and located on opposite sides of the control circuit board 21, utilizing gear meshing transmission to fully utilize limited space and achieve a compact overall structure. Consequently, the potentiometer adjustment device boasts an attractive and compact structure, allowing it to accommodate even small electrical appliances and enjoy a wide range of applications.

[0033] The following discloses a pet hair vacuum cleaner using the potentiometer adjustment device 3. Due to the use of the potentiometer adjustment device 3, the pet hair vacuum cleaner can be compact and beautiful.

[0034] like Figure 4-6 As shown, a pet hair vacuum comprises a base 2 and a bin 1, wherein the bin 1 is detachably mounted on the base 2. When in use, the bin 1 is mounted on the base 2 for normal operation. After use, the bin 1 is removed from the base 2 to clean the interior of the bin 1.

[0035] It also includes a potentiometer adjustment device 3, which is provided on the base 2. Two oppositely arranged fixing columns 6 are provided in the base 2, and the opposite side walls of the two fixing columns 6 are each provided with a mounting groove 61. The two sides of the control circuit board 21 are pluggably provided in the mounting groove 61 in a one-to-one correspondence. A button through hole (not shown) is provided on the base 2 at a position corresponding to the adjustment button 30, and the outer rotating sleeve 34 of the adjustment button 30 extends to the outside of the base 2 through the button through hole. When the outer periphery of the inner rotating sleeve 33 is provided on the flange portion 39, the outer side of the flange portion 39 is abutted against the inner wall of the base 2 on the inner side of the button through hole, so that the inner rotating sleeve 33 is limited in the base 2 on the inner side of the button through hole to prevent it from passing through the button through hole. In this way, the adjustment button 30 is installed on the base 2. When disassembling, the snap structure between the outer rotating kit 34 and the inner rotating kit 33 is first opened, then the outer rotating kit 34 is pulled out, and then the inner rotating kit 33 and other components are taken out from the base 2.

[0036] Specifically, the housing 1 includes a main body 11 and a bottom cover 12. The bottom cover 12 is positioned at the bottom of the main body 11, thereby forming a closed hair cavity 13 within the main body 11. Opening the bottom cover 12 opens the hair cavity 13, thereby cleaning the hair or dirt within the hair cavity 13 within the main body 11. In a preferred embodiment, the bottom cover 12 is hingedly connected to one side of the main body 11, allowing the bottom cover 12 to rotate about the hinge to open or close. The other side of the bottom cover 12 is connected to the main body 11 by a snap-fit ​​mechanism. The aforementioned rotation of the bottom cover 12 is achieved by opening the snap-fit ​​mechanism, and the snap-fit ​​mechanism is locked to secure the bottom cover 12 when the bottom cover 12 is closed.

[0037] The base body 2 is provided with an installation cavity 21 and an air suction cavity 22. The installation cavity 21 is isolated from the air suction cavity 22. A power supply assembly 4 and a potentiometer adjustment device 3 are installed in the installation cavity 21, and a suction device 5 is installed in the air suction cavity 22. An air inlet structure 23 and an air outlet structure 24 are provided at two different locations on the base body 2 corresponding to the air suction cavity 22. The air inlet structure 23 communicates with the hair cavity 13, and the air outlet structure 24 communicates with the air outside the base body 2. By providing the isolated installation cavity 21 and air suction cavity 22 on the base body 2, the power supply assembly 4 and the potentiometer adjustment device 3 are separated from the suction device 5, thereby isolating the electronic components from dust and dirt in the working airflow, thereby increasing their service life.

[0038] It should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. However, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A potentiometer adjustment device, comprising a potentiometer, a control circuit board and an adjustment button, wherein the adjustment button is used to adjust the potentiometer, characterized in that: The potentiometer is arranged on the first side of the control circuit board, and its rotating shaft passes through the control circuit board and extends to the second side of the control circuit board. The adjustment button is arranged on the second side of the control circuit board. The adjustment button includes a fixing frame, a display component, an outer rotating kit and an inner rotating kit. The fixing frame is connected to the control circuit board, and the display component is installed on the side of the fixing frame facing away from the control circuit board. The inner rotating kit is sleeved on the inner end of the fixing frame, and the outer rotating kit is sleeved on the outer end of the fixing frame. The outer rotating kit and the inner rotating kit are detachably connected. A gear ring is provided on the outer periphery of the inner rotating kit, and also includes a transmission gear. The transmission gear is installed on the rotating shaft of the potentiometer and meshes with the gear ring. Operating and rotating the outer rotating kit can drive the rotating shaft of the potentiometer to rotate.

2. The potentiometer adjustment device according to claim 1, characterized in that: The detachable connection between the outer rotating kit and the inner rotating kit includes: a buckle opening is provided on a side of the inner rotating kit facing the outer rotating kit, a buckle arm is provided on the outer rotating kit, and the buckle arm extends into the buckle opening for buckling connection.

3. The potentiometer adjustment device according to claim 2, characterized in that: The outer periphery of the inner rotating sleeve is provided with a flange portion, the gear ring is located on the inner rotating sleeve inside the flange portion, the buckle opening is located on the flange portion, and the diameter of the flange portion is larger than the diameter of the outer rotating sleeve.

4. A pet hair vacuum, comprising a potentiometer adjustment device, characterized in that: The potentiometer adjusting device is configured as the potentiometer adjusting device according to any one of claims 1 to 3.

5. The pet hair vacuum according to claim 4, characterized in that: It also includes a base and a warehouse body, wherein the warehouse body is detachably arranged on the base body, and the potentiometer adjustment device is arranged on the base body.

6. The pet hair vacuum according to claim 5, characterized in that: Two oppositely arranged fixing columns are provided in the base body, and opposite side walls of the two fixing columns are respectively provided with a mounting groove, and the two sides of the control circuit board are pluggably arranged in the mounting groove in a one-to-one correspondence.

7. The pet hair vacuum according to claim 6, characterized in that: A button through hole is provided on the base body at a position corresponding to the adjustment button, and the outer rotating sleeve of the adjustment button passes through the button through hole and extends out of the base body.

8. The pet hair vacuum according to claim 7, characterized in that: When the outer periphery of the inner rotating sleeve is arranged on the flange portion, the outer side of the flange portion is abutted against the inner wall of the seat inside the button through hole.

9. The pet hair vacuum according to claim 5, characterized in that: A hair cavity is provided in the warehouse body, and an installation cavity and an air suction cavity are provided in the base body. The installation cavity is isolated from the air suction cavity, and the potentiometer adjustment device is installed in the installation cavity.

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