Motor gear direct drive structure

Abstract

The utility model provides a motor gear direct drive structure, which is used for driving a module connecting rod to move and comprises a motor shell, an output gear and a module driving gear, a rotor is arranged at the center in the motor shell, a driving gear is arranged on the rotor, and the output gear is in transmission connection with the driving gear through a transmission gear assembly arranged in the motor shell; an opening is formed in the side wall of the side, close to the output gear, of the motor shell, one side of the module driving gear extends into the opening and is in meshed connection with the output gear, a transmission rod is eccentrically arranged on the surface of one side of the module driving gear, a movable opening is formed in one end of the module connecting rod, and the transmission rod is embedded in the movable opening. The module driving gear rotates and drives the module connecting rod to stretch out and draw back through eccentric matching of the transmission rod and the module connecting rod, loss between transmission structures is smaller, the motor driving performance is guaranteed, and meanwhile the size and the longitudinal height are reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of household electrical appliances motors, and in particular relates to a motor gear direct drive structure. Background Art

[0002] At present, the development of the home appliance industry is supported and encouraged under the promotion of national policies. It is proposed to improve the disinfection and sterilization, cleaning and purification performance of cleaning home appliances, improve the integration, intelligence and energy efficiency of kitchen appliances, and develop portable small appliances. At present, the industry generally uses the motor output shaft as the driving source drive module; this type of structure is to use the gear of the gearbox inside the motor directly as the driving source to drive the external module. The existing home appliance motor module structure is as follows Figure 1 As shown, this structure is a smart home appliance delivery module. In the current traditional industry, a motor is used to extend an output shaft, and the output shaft cooperates with the module cam to drive the module connecting rod to extend and retract to achieve torque transmission. This structure occupies a large vertical height, resulting in the module being unable to reduce its volume; and there is a certain loss of torque, resulting in insufficient motor performance. Utility Model Content

[0003] In view of the above problems, the utility model discloses a motor gear direct drive structure, which realizes the miniaturization of the intelligent module and can realize its functions in a smaller volume.

[0004] The specific technical solutions are as follows:

[0005] A motor gear direct drive structure is used to drive a module connecting rod to perform telescopic movement, comprising a motor housing, an output gear, and a module driving gear. A rotor and a transmission gear assembly are rotatably provided in the motor housing, a driving gear is provided on the rotor, the output gear is horizontally rotatably arranged in the motor housing, and the output gear is transmission-connected to the driving gear through the transmission gear assembly, so that the rotor drives the output gear to rotate; an opening is provided on a side wall of the motor housing close to the output gear; the module driving gear is horizontally rotatably arranged on the outside of the motor housing, one side of the module driving gear extends into the opening and meshes with the output gear, a transmission rod is vertically provided on the surface of one side of the module driving gear, the transmission rod is eccentrically arranged, and a movable opening is provided at one end of the module connecting rod close to the transmission rod, and the transmission rod is embedded in the movable opening, so that the module driving gear rotates and the module connecting rod is driven to telescope through the eccentric cooperation between the transmission rod and the module connecting rod.

[0006] Furthermore, the length direction of the movable opening is perpendicular to the extension and retraction direction of the module connecting rod, and the width dimension of the movable opening is matched with the diameter dimension of the transmission rod.

[0007] Furthermore, the transmission gear assembly includes a plurality of double gears meshed and connected in sequence, wherein one of the double gears is meshed and connected with the driving gear, and the other double gear is meshed and connected with the output gear, so that the rotor drives the output gear to rotate.

[0008] Furthermore, the motor housing includes a bottom shell and a top cover, a notch is provided at the top of a side wall of one side of the bottom shell, and the notch cooperates with the top cover to form the opening.

[0009] Furthermore, the height of the module driving gear is flush with the height of the opening, and the transmission rod is provided at the bottom of the module driving gear and is eccentrically connected to the module connecting rod.

[0010] The beneficial effects of the utility model are embodied in:

[0011] (1) Compared with the prior art, the present invention adopts a gear direct drive structure to drive the module connecting rod to move, and the loss between the transmission structures is smaller, thereby ensuring the motor driving performance.

[0012] (2) The utility model motor eliminates the transmission structure of the top output shaft with a cam, and realizes the driving function by opening the side thereof, using gear direct drive in conjunction with an eccentric shaft, thereby effectively reducing the volume and longitudinal height of the motor drive structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of a household appliance motor module in the prior art.

[0014] Figure 2 It is a structural schematic diagram of the utility model.

[0015] Figure 3 It is a side view of the utility model.

[0016] Figure 4 It is a schematic diagram of the internal structure of the utility model.

[0017] Figure 5 It is a top view of the utility model.

[0018] Figure 6 This is a bottom view of the utility model

[0019] Motor housing 1, bottom shell 11, top cover 12, rotor 13, opening 101, output shaft 2, cam 3, module connecting rod 4, movable port 41, driving gear 5, transmission gear assembly 6, output gear 7, module driving gear 8, transmission rod 81. DETAILED DESCRIPTION

[0020] In order to make the technical solution of the utility model clearer, the utility model is further described below in conjunction with the accompanying drawings. Any equivalent replacement of the technical features of the technical solution of the utility model and any solution derived from conventional reasoning shall fall within the protection scope of the utility model. The fixed connection and fixed setting mentioned in the utility model are all common connection methods in the mechanical field, including welding, bolt and nut connection, and screw connection.

[0021] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and 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 direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0022] like Figure 1-6 As shown, this embodiment provides a motor gear direct drive structure for driving the module connecting rod to perform telescopic movement, including a motor housing 1, an output gear 7, and a module driving gear 8. A rotor 13 is centrally rotated in the motor housing 1, and a driving gear 5 is provided on the rotor 13. A transmission gear assembly 6 is arranged on the outside of the rotor 13 in the motor housing 1. The transmission gear assembly 6 includes a plurality of double gears meshed and connected in sequence. The output gear 7 is horizontally rotatably arranged in the motor housing 1, one of the double gears is meshed and connected with the driving gear 5, and the other double gear is meshed and connected with the output gear 7, so that the rotor 13 drives the output gear 7 to rotate. A power connection terminal is provided on one side of the motor housing, and a rectangular opening 101 is provided on the side wall of the motor housing 1 on the other side near the output gear 7; the module driving gear 8 is horizontally rotatably arranged on the outside of the motor housing 1, and one side of the module driving gear 8 extends into the opening 101 and is meshed with the output gear 7. The upper surface of the module driving gear 8 is rotatably connected to the household appliance through a rotating shaft, and a transmission rod 81 is vertically provided on the lower surface of the module driving gear 8. The transmission rod 81 is eccentrically arranged on the lower surface of the module driving gear 8, and the module connecting rod is arranged on one side of the motor housing 1. A movable opening 41 is opened at one end of the module connecting rod near the transmission rod 81, and the transmission rod 81 is embedded in the movable opening 41, so that the module driving gear 8 can rotate and the module connecting rod can be driven to move through the eccentric cooperation between the transmission rod 81 and the module connecting rod.

[0023] In this embodiment, the movable opening 41 is in the shape of an elongated strip, the length direction of the movable opening 41 is perpendicular to the extension direction of the module connecting rod, and the width dimension of the movable opening 41 is adapted to the diameter dimension of the transmission rod 81 .

[0024] In this embodiment, the motor housing 1 includes a bottom shell 11 and a top cover 12. A notch is provided at the top of the side wall of one side of the bottom shell 11, and the notch cooperates with the top cover 12 to form the opening 101. The height of the module driving gear 8 is flush with the height of the opening 101, and a transmission rod 81 is provided at the bottom of the module driving gear 8 and is eccentrically connected to the module connecting rod 4. By arranging the driving structure at one side of the motor, the volume is effectively reduced.

[0025] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a technician familiar with the technical field within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A motor gear direct drive structure, used to drive a module connecting rod (4) to move, characterized in that: The invention comprises a motor housing (1), an output gear (7) and a module driving gear (8); a rotor (13) and a transmission gear assembly (6) are rotatably arranged in the motor housing (1); a driving gear (5) is arranged on the rotor (13); the output gear (7) is rotatably arranged in the motor housing (1), and the output gear (7) is transmission-connected to the driving gear (5) through the transmission gear assembly (6); an opening (101) is arranged on a side wall of the motor housing (1) close to the output gear (7); the module driving gear (8) is rotatably arranged on the side wall of the motor housing (1) close to the output gear (7); On the outside of the motor housing (1), one side of the module driving gear (8) extends into the opening (101) and meshes with the output gear (7); a transmission rod (81) is vertically arranged on the surface of one side of the module driving gear (8); the transmission rod (81) is eccentrically arranged; a movable opening (41) is provided at one end of the module connecting rod close to the transmission rod (81); the transmission rod (81) is embedded in the movable opening (41), so that the module driving gear (8) rotates and the module connecting rod is driven to extend and retract through the eccentric cooperation between the transmission rod (81) and the module connecting rod.

2. A motor gear direct drive structure as claimed in claim 1, characterized in that: The length direction of the movable opening (41) is perpendicular to the telescopic direction of the module connecting rod, and the width dimension of the movable opening (41) is compatible with the diameter dimension of the transmission rod (81).

3. A motor gear direct drive structure as claimed in claim 1, characterized in that: The transmission gear assembly (6) comprises a plurality of duplex gears meshed and connected in sequence, wherein one duplex gear is meshed and connected with the driving gear (5), and the other duplex gear is meshed and connected with the output gear (7), so that the rotor (13) drives the output gear (7) to rotate.

4. A motor gear direct drive structure as claimed in claim 1, characterized in that: The motor housing (1) comprises a bottom shell (11) and a top cover (12); a notch is provided at the top of a side wall of one side of the bottom shell (11); the notch cooperates with the top cover (12) to form the opening (101).

5. A motor gear direct drive structure as claimed in claim 4, characterized in that: The height of the module driving gear (8) is flush with the height of the opening (101), and the transmission rod (81) is arranged at the bottom of the module driving gear (8) and is eccentrically connected to the module connecting rod (4).

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