Low-noise direct current motor module with reduction gearbox

Abstract

The utility model discloses a low-noise direct-current motor module with a reduction gearbox, and solves the problems of loud noise and high cost. A motor body of the motor is fixed to the motor plate, a power output shaft of the motor penetrates through the motor plate and then is provided with a driving tooth, a plurality of driven teeth distributed in a planetary mode are annularly arranged on the outer side of the driving tooth, and the outer sides of the driven teeth are meshed with an inner gear ring of the reduction gearbox. The driven teeth distributed in the planetary mode are correspondingly arranged at one end of the support, and a plurality of clamping grooves are formed in the other end of the support. An adapter plate is arranged on the outer side of the reduction gearbox, the reduction gearbox is fixed to the motor plate through screws by the adapter plate, an annular protruding edge is arranged on the inner side of a box body of the reduction gearbox, an annular groove is formed in the outer side of the motor plate, the annular protruding edge can be arranged in the annular groove in a matched mode, and the rotating shaft is arranged on the adapter plate through a bearing. One end of the rotating shaft penetrates through the adapter plate and then is clamped with the clamping groove of the bracket; the direct-current gear motor can be widely applied to the field of direct-current gear motors.

Description

Technical Field

[0001] The utility model relates to a low-noise DC motor module with a reduction box, belonging to the technical field of DC reduction motors. Background Art

[0002] A DC reduction motor is an electric motor that converts DC electrical energy into mechanical energy. It uses the principle of electromagnetic induction to generate torque by using the magnetic field formed in the armature by DC current to interact with the magnetic field in the permanent magnet, thereby making the motor rotate.

[0003] At present, DC reduction motors have the problem of high noise during application in some specific fields, and the noise reduction measures adopted increase the cost. How to develop a low-noise, cost-effective DC reduction motor has always been the focus of research for technical personnel in this field. Utility Model Content

[0004] The utility model overcomes the deficiencies of the prior art, provides a low-noise DC motor module with a reduction gearbox, and solves the problems of high noise and high cost.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is as follows: a low-noise DC motor module with a reduction gearbox, comprising a rotating shaft, a bearing, an adapter plate, a reduction gearbox, a bracket, a driven gear, a motor plate, a driving gear and a motor, wherein the motor body is fixed to the motor plate, a power output shaft of the motor is provided with a driving gear after passing through the motor plate, a plurality of planetary-distributed driven gears are provided in an annular manner on the outer side of the driving gear, and the outer side of the driven gear is meshed with the inner gear ring of the reduction gearbox;

[0006] A plurality of planetary distributed driven teeth are correspondingly arranged at one end of the bracket, and a plurality of clamping grooves are provided at the other end of the bracket; an adapter plate is provided on the outside of the reduction gear box, and the adapter plate fixes the reduction gear box to the motor plate by screws, and an annular ridge is provided on the inside of the reduction gear box, and an annular groove is provided on the outside of the motor plate, and the annular ridge can be matched and arranged in the annular groove, and the rotating shaft is arranged on the adapter plate through a bearing, and one end of the rotating shaft passes through the adapter plate and is clamped together with the clamping groove of the bracket.

[0007] Furthermore, an axle pin is radially provided on the power input end of the rotating shaft, and the axle pin is movably engaged in the engaging groove.

[0008] Furthermore, the power output end of the rotating shaft is integrally provided with a stepped connector to meet the connection requirements of various pump heads.

[0009] Furthermore, the number of the driven teeth is three.

[0010] Furthermore, the driven teeth are made of self-lubricating engineering plastics.

[0011] Furthermore, the engaging groove is formed by a plurality of protrusions arranged on the bracket and facing each other.

[0012] Compared with the prior art, the present invention has the following beneficial effects: the driven gear in the present invention uses self-lubricating engineering plastics to reduce transmission noise, the reduction box ribs cooperate with the motor plate grooves to improve lubricating oil leakage, reduce the noise caused by lack of lubricating oil, and the gear reduction ratio can further achieve the effect of deceleration and noise reduction. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described below with reference to the accompanying drawings.

[0014] Figure 1 This is a schematic diagram of the exploded structure of the present invention.

[0015] Figure 2 This is a schematic diagram of the main structure of the present utility model.

[0016] Figure 3 It is a schematic cross-sectional structural diagram of the present utility model.

[0017] In the figure: 1. rotating shaft; 2. bearing; 3. adapter plate; 4. reduction gear box; 5. bracket; 6. driven gear; 7. motor plate; 8. driving gear; 9. motor; 10. snap-in slot; 11. shaft pin. DETAILED DESCRIPTION

[0018] The present invention will be further described below with reference to specific embodiments.

[0019] like Figure 1 、 Figure 2 and Figure 3 As shown, the utility model is a low-noise DC motor module with a reduction gearbox, comprising a rotating shaft 1, a bearing 2, an adapter plate 3, a reduction gearbox 4, a bracket 5, a driven gear 6, a motor plate 7, a driving gear 8 and a motor 9. The body of the motor 9 is fixed on the motor plate 7, and the power output shaft of the motor 9 is provided with a driving gear 8 after passing through the motor plate 7. The outer side of the driving gear 8 is annularly provided with three planetary distributed driven teeth 6, and the outer side of the driven gear 6 is meshed with the inner gear ring of the reduction gearbox 4; the material of the driven gear 6 is self-lubricating engineering plastic.

[0020] The three planetary distributed driven teeth 6 are correspondingly arranged at one end of the bracket 5, and the other end of the bracket 5 is provided with a plurality of snap-in grooves 10; an adapter plate 3 is provided on the outside of the reduction gear box 4, and the adapter plate 3 fixes the reduction gear box 4 to the motor plate 7 by screws, and an annular ridge is provided on the inside of the housing of the reduction gear box 4, and an annular groove is provided on the outside of the motor plate 7, and the annular ridge can be matched and arranged in the annular groove, and the rotating shaft 1 is arranged on the adapter plate 3 through the bearing 2, and one end of the rotating shaft 1 passes through the adapter plate 3 and is snapped together with the snap-in groove 10 of the bracket 5, and the snap-in groove 10 is formed by a plurality of protrusions arranged on the bracket 5, and an axle pin 11 is radially penetrated on the power input end of the rotating shaft 1, and the axle pin 11 is movably snapped in the snap-in groove 10, and the power output end of the rotating shaft 1 is integrally provided with a stepped connector to meet the connection requirements of various pump heads.

[0021] The working principle of the utility model is as follows: after the motor 9 is energized, the active gear 8 drives the driven gear 6 to reduce the transmission, and the bracket 5 on the driven gear 6 drives the rotating shaft 1 on the reduction box 4 to rotate. The gear box 4 is fixed on one side of the adapter plate 3, and the rotating shaft 1 on one side can be equipped with a variety of pump head connections. The driven gear 6 is made of self-lubricating engineering plastic to reduce transmission noise. The rib position of the reduction box 4 and the groove of the motor plate 8 are matched to improve the infiltration of lubricating oil and reduce the noise caused by the lack of lubricating oil. Moreover, the reduction ratio of the gear can further achieve the effect of deceleration and noise reduction.

[0022] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in this field without departing from the purpose of the present invention.

Claims

1. A low-noise DC motor module with a reduction gearbox, characterized in that: The invention comprises a rotating shaft (1), a bearing (2), an adapter plate (3), a reduction gear (4), a bracket (5), a driven gear (6), a motor plate (7), a driving gear (8) and a motor (9), wherein the body of the motor (9) is fixed on the motor plate (7), a power output shaft of the motor (9) passes through the motor plate (7) and is provided with a driving gear (8), a plurality of planetary driven gears (6) are provided in an annular shape on the outer side of the driving gear (8), and the outer side of the driven gear (6) is meshed with the inner gear ring of the reduction gear (4); A plurality of planetary distributed driven teeth (6) are correspondingly arranged at one end of the bracket (5), and a plurality of clamping grooves (10) are provided at the other end of the bracket (5); an adapter plate (3) is provided on the outside of the reduction box (4), and the adapter plate (3) fixes the reduction box (4) to the motor plate (7) by screws, and an annular ridge is provided on the inside of the reduction box (4), and an annular groove is provided on the outside of the motor plate (7), and the annular ridge can be matched and arranged in the annular groove, and the rotating shaft (1) is arranged on the adapter plate (3) through the bearing (2), and one end of the rotating shaft (1) passes through the adapter plate (3) and is clamped together with the clamping groove (10) of the bracket (5).

2. A low-noise DC motor module with a reduction gearbox according to claim 1, characterized in that: An axle pin (11) is radially provided on the power input end of the rotating shaft (1), and the axle pin (11) is movably engaged in the engaging groove (10).

3. A low-noise DC motor module with a reduction gearbox according to claim 1 or 2, characterized in that: The power output end of the rotating shaft (1) is integrally provided with a stepped connector to meet the connection requirements of various pump heads.

4. The low-noise DC motor module with reduction gearbox according to claim 3, characterized in that: The number of the driven teeth (6) is three.

5. The low-noise DC motor module with reduction gearbox according to claim 4, characterized in that: The driven gear (6) is made of self-lubricating engineering plastic.

6. The low-noise DC motor module with reduction gearbox according to claim 1, characterized in that: The clamping groove (10) is formed by a plurality of protrusions arranged on the bracket (5) and facing each other.

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