CN210078250U

CN210078250U - Massager with planetary gear speed reducing mechanism

Info

Publication number: CN210078250U
Application number: CN201920509872.9U
Authority: CN
Inventors: 张娜娜
Original assignee: Suzhou Qinhuo Technology Co Ltd
Current assignee: Suzhou Qinhuo Technology Co Ltd
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2020-02-18
Anticipated expiration: 2029-04-16

Abstract

The utility model relates to a massager with a planetary gear speed reducing mechanism, which comprises a motor and a deviation disc, wherein the outer side surface of the deviation disc is provided with an eccentric hole, a pin shaft is arranged on the eccentric hole, a reciprocating rod is sleeved on the pin shaft, the free end of the reciprocating rod is provided with a massage head, the massager also comprises a tooth cover, an inner gear ring and a motor fixing plate which are fixedly connected in sequence, a motor gear is arranged at the central shaft in the inner gear ring, a plurality of planetary gears which are meshed with each other are arranged between the motor gear and the inner gear ring, a fluted disc which can rotate relatively is arranged in the inner gear ring, the fluted disc is positioned at one side of the plurality of planetary gears, the fluted disc is provided with a plurality of planetary connecting shafts, a plurality of planetary gears are respectively sleeved on the plurality of planetary connecting shafts correspondingly, and can rotate relatively, the output shaft of, and the central connecting shaft of the deviation disc penetrates through the tooth cover and is fixedly connected with the center of the fluted disc. The utility model discloses noise stability is good, convenient assembling.

Description

Massager with planetary gear speed reducing mechanism

Technical Field

The utility model relates to a massager with a planetary gear speed reducing mechanism.

Background

Massage is an effective method for relieving pressure and fatigue, and a massager is produced to replace manual massage. At present, a massage head is arranged on a reciprocating rod, the reciprocating rod is driven by a motor to reciprocate back and forth, and the massage head continuously reciprocates to act on the back, the shoulders and the like of a user, so that the massage effect is achieved. However, the existing massager adopts an umbrella tooth structure to drive the reciprocating rod, the installation moment is difficult to control, the installation precision requirement is high, and the assembly is complicated; after long-term use, the noise becomes large, and the noise stability is poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide a massager with a planetary gear speed reducing mechanism, which has good noise stability and convenient assembly.

In order to achieve the above purpose, the utility model discloses a technical scheme is: a massager with a planetary gear speed reducing mechanism comprises a motor and a deviation disc, wherein an eccentric hole is formed in the outer side surface of the deviation disc, a pin shaft is arranged on the eccentric hole, a reciprocating rod is sleeved on the pin shaft, and a massage head is arranged at the free end of the reciprocating rod; the massager with the planetary gear speed reducing mechanism further comprises a gear cover, an inner gear ring and a motor fixing plate which are sequentially and fixedly connected, wherein a motor gear is arranged at a central shaft in the inner gear ring, a plurality of planetary gears which are meshed with each other are arranged between the motor gear and the inner gear ring, a gear disc which can rotate relatively is arranged in the inner gear ring, the gear disc is positioned on one side of the plurality of planetary gears, a plurality of planetary connecting shafts are arranged on the gear disc, sleeves corresponding to the plurality of planetary gears respectively are arranged on the plurality of planetary connecting shafts, relative rotation can occur between the planetary gears and the plurality of planetary gears, an output shaft of the motor penetrates through the motor fixing plate and the motor gear fixing plate, and a central connecting shaft of a deviation disc penetrates.

The utility model discloses take massager of planetary gear reduction gears's beneficial effect is, in the use, tooth lid, ring gear, motor fixed plate are fixed, motor output shaft effect motor gear rotates, because the ring gear is fixed, motor gear can drive a plurality of planetary gear rotation and revolution, a plurality of planetary gear of revolution drive fluted disc rotate, then make the deviation dish rotate, the round pin axle drives the reciprocating lever round trip movement that the cover was established on it, this application utilizes planetary gear to slow down, increase the moment of torsion, then increase the cover and establish the reciprocating lever dynamics on the round pin axle, make it accord with consumer's demand; meanwhile, the meshing positions of the planetary gear, the motor gear and the inner gear ring are positioned in the same plane, so that the installation is convenient, and the assembly cost is low; because motor gear, a plurality of planetary gear are spacing by tooth lid, motor fixed plate, the noise of its during operation is lower and noise stability is good.

Preferably, the tooth cover, the inner gear ring and the motor fixing plate are fixed by a plurality of screws, and the plurality of screws respectively penetrate through the outer circumferences of the tooth cover, the inner gear ring and the motor fixing plate in a threaded manner. The three are fixed by screws, and the structure is simple and firm.

Preferably, a first bearing is arranged between the tooth cover and the fluted disc. The fluted disc can rotate in the tooth cover.

Preferably, one side of the tooth cover close to the fluted disc is provided with a first bearing cavity, and the first bearing is located in the first bearing cavity, so that the structure is compact.

Preferably, the center of fluted disc is provided with the through-hole, the central connecting axle of erroneous tendency dish passes the through-hole and realizes fixing through the cooperation of keyway and key. Simple structure, no need of additional fixed parts, and simple and convenient assembly and disassembly.

Preferably, a ring of gear gaskets is arranged between the planetary gear and the motor fixing plate. The gear gasket is arranged to improve the wear resistance of the motor fixing plate, protect the motor fixing plate and prolong the service life of the motor fixing plate.

Preferably, it is a plurality of planetary gear, fluted disc form a speed reduction layer, the speed reduction layer is provided with at least two and stack setting, a plurality of planet connecting axle directions of fluted disc are unanimous, are provided with drive gear between every two adjacent speed reduction layers, drive gear sets up and is being close to the back of the fluted disc of motor, drive gear and with keep away from a plurality of planet gear meshing on the fluted disc of motor, the central connecting axle of partial plate passes the tooth lid and with the central fixed connection of the fluted disc of keeping away from the motor. By adding a layer of planetary gear and a fluted disc, the speed reduction is increased by one step, and by analogy, the speed reduction mechanism is changed into at least 2-step speed reduction, and the application can comprise 1-step speed reduction, 2-step speed reduction and 3-step speed reduction.

Drawings

FIG. 1 is an exploded view of the first embodiment;

FIG. 2 is a perspective view of the first embodiment;

FIG. 3 is a diagram illustrating a second embodiment.

In the figure:

1. a motor; 2. a motor fixing plate; 3. a gear spacer; 4. a motor gear; 5. an inner gear ring; 6. planetary gears (typically 2-4); 7. a fluted disc; 7 a-a planetary connecting shaft; 7 b-a through hole; 8. a first bearing; 9. a tooth cover; 10. a screw; 11. a deflection plate; 11 a-a pin;

12. a movable connecting rod; 13. a second bearing; 14. a circlip; 15. a fixing pin; 16. a reciprocating lever; 17. a shaft sleeve; 18. a reciprocating rod sleeve; 19. a massage head; 20-transmission gear.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

In the first embodiment, referring to fig. 1 and 2, a massager with a planetary gear reduction mechanism includes a motor 1 and a deflection disc 11, an eccentric hole is formed on an outer side surface of the deflection disc 11, a pin shaft 11a is formed on the eccentric hole, the pin shaft 11a can be integrally formed with the deflection disc 11 or non-integrally formed, a reciprocating rod 16 is sleeved on the pin shaft 11a, a massage head 19 is arranged at a free end of the reciprocating rod 16, in order to solve the problems of inconvenient installation and high noise of the existing massager, the massager with the planetary gear reduction mechanism further includes a tooth cover 9, an inner gear ring 5 and a motor fixing plate 2 which are fixedly connected through a plurality of screws 10 in sequence, and the plurality of screws 10 respectively penetrate through outer circumferences. The motor gear 4 is arranged at the central shaft in the inner gear ring 5, a plurality of planetary gears 6 which are meshed with each other are arranged between the motor gear 4 and the inner gear ring 5, a gear disc 7 which can rotate relatively is arranged in the inner gear ring 5, a first bearing 8 is arranged between the gear cover 9 and the gear disc 7, a first bearing cavity is arranged on one side of the gear cover 9 close to the gear disc 7, and the first bearing 8 is positioned in the first bearing cavity.

The fluted disc 7 is positioned on one side of the planetary gears 6, the fluted disc 7 is provided with a plurality of planetary connecting shafts 7a, the planetary gears 6 are respectively sleeved on the planetary connecting shafts 7a correspondingly and can rotate relatively, the output shaft of the motor 1 penetrates through the motor fixing plate 2 to be fixedly connected with the motor gear 4, and the central connecting shaft of the deflection disc 11 penetrates through the tooth cover 9 and is fixedly connected with the center of the fluted disc 7.

The center of the fluted disc 7 is provided with a through hole 7b, and the central connecting shaft of the deviation disc 11 penetrates through the through hole 7b and is fixed through the matching of a key groove and a key.

In order to improve the wear resistance of the motor fixing plate 2 and prolong the service life of the motor fixing plate 2, a circle of gear gasket 3 is arranged between the planetary gear 6 and the motor fixing plate 2.

In addition, one end of the reciprocating rod 16 in this embodiment is rotatably connected with a movable connecting rod 12 through a fixing pin 15, the other end of the movable connecting rod 12 is sleeved on the pin shaft 11a, and a second bearing 13 is arranged between the two, so that the movable connecting rod 12 can rotate around the pin shaft 11a, the pin shaft 11a penetrates through a ring of circlip 14 clamped on the side wall of the end part of the second bearing 13, the reciprocating rod 16 penetrates into a shaft sleeve 17, and the reciprocating rod 16 is limited in a reciprocating path by the shaft sleeve 17. The free end of the reciprocating rod 16 can be provided with a reciprocating rod sleeve 18, and then a massage head 19 is arranged.

In the second embodiment, at least two speed reduction layers are formed by the plurality of planetary gears 6 and the fluted disc 7, the speed reduction layers are stacked, the directions of the plurality of planetary connecting shafts 7a of the fluted disc 7 are consistent, the transmission gear 20 is arranged between every two adjacent speed reduction layers, the transmission gear 20 is arranged on the back surface of the fluted disc 7 close to the motor 1, the transmission gear 20 is meshed with the plurality of planetary gears 6 on the fluted disc 7 far away from the motor 1, and the central connecting shaft of the deviation disc 11 penetrates through the tooth cover 9 and is fixedly connected with the center of the fluted disc 7 far away from the motor 1. As shown in FIG. 3, if the part in the area A in FIG. 1 is replaced by the part in the area B in the embodiment, the speed reducing mechanism is changed into 2-stage speed reduction, and by analogy, the speed reduction is increased by one stage by adding a layer of planetary gears and a fluted disc. However, if a plurality of speed reduction layers are adopted, the larger the speed reduction ratio is, the lower the transmission efficiency is compared with that of one speed reduction layer.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. The utility model provides a take planetary gear reduction gears's massager, includes motor (1), deviation dish (11), the lateral surface of deviation dish (11) is provided with the eccentric orfice, be provided with round pin axle (11a) on the eccentric orfice, the cover is equipped with reciprocating lever (16) on round pin axle (11a), the free end of reciprocating lever (16) is provided with massage head (19), its characterized in that: also comprises a tooth cover (9), an inner gear ring (5) and a motor fixing plate (2) which are fixedly connected in sequence, a motor gear (4) is arranged at a central shaft in the inner gear ring (5), a plurality of planetary gears (6) which are meshed with each other are arranged between the motor gear (4) and the inner gear ring (5), a fluted disc (7) which can rotate relatively is arranged in the inner gear ring (5), the fluted disc (7) is positioned at one side of the plurality of planetary gears (6), the fluted disc (7) is provided with a plurality of planetary connecting shafts (7a), the plurality of planetary gears (6) are respectively sleeved on the plurality of planetary connecting shafts (7a) correspondingly, the two can rotate relatively, the output shaft of the motor (1) passes through the motor fixing plate (2) to be fixedly connected with the motor gear (4), and the central connecting shaft of the deviation disc (11) penetrates through the tooth cover (9) and is fixedly connected with the center of the fluted disc (7).

2. The massager with planetary gear reduction mechanism according to claim 1, wherein: the gear cover (9), the inner gear ring (5) and the motor fixing plate (2) are fixed through a plurality of screws (10), and the plurality of screws (10) respectively penetrate through the outer circumferences of the gear cover, the inner gear ring and the motor fixing plate.

3. The massager with planetary gear reduction mechanism according to claim 1, wherein: a first bearing (8) is arranged between the gear cover (9) and the fluted disc (7).

4. The massager with planetary gear reduction mechanism according to claim 1, wherein: one side that tooth lid (9) are close to fluted disc (7) is provided with first bearing chamber, first bearing (8) are located first bearing intracavity.

5. The massager with planetary gear reduction mechanism according to claim 1, wherein: the center of fluted disc (7) is provided with through-hole (7b), the central connecting axle of erroneous tendency dish (11) passes through-hole (7b) and realizes fixing through the cooperation of keyway and key.

6. The massager with planetary gear reduction mechanism according to claim 1, wherein: a ring of gear gaskets (3) is arranged between the planetary gear (6) and the motor fixing plate (2).

7. The massager with planetary gear reduction mechanism according to claim 1, wherein: a plurality of planetary gear (6), fluted disc (7) form a speed reduction layer, the speed reduction layer is provided with at least two, and the stack sets up, a plurality of planet connecting axle (7a) direction of fluted disc (7) are unanimous, are provided with drive gear (20) between every two adjacent speed reduction layers, drive gear (20) set up and are being close to the back of fluted disc (7) of motor (1), drive gear (20) and with keep away from a plurality of planetary gear (6) meshing on fluted disc (7) of motor (1), the central connecting axle of deviation dish (11) passes tooth lid (9) and with the central fixed connection of fluted disc (7) of keeping away from motor (1).