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CN-113738680-B - Reciprocating oscillating mechanism and fan

CN113738680BCN 113738680 BCN113738680 BCN 113738680BCN-113738680-B

Abstract

The invention relates to the technical field of household appliances, in particular to a reciprocating head shaking mechanism and a fan, wherein the reciprocating head shaking mechanism comprises a main motor, a motor body, a main shaft, a transmission shaft and a rotating shaft, wherein the main shaft is arranged on one side of the motor body and is suitable for being fixedly connected with a fan head, the transmission shaft is arranged on the other side of the motor body and is connected with the main shaft into a whole, and the rotating shaft is arranged on the lower side of the motor body; the transmission assembly is arranged between the transmission shaft and the chassis and comprises a gear shaft, a first sector gear which is arranged on the gear shaft and is suitable for being meshed with the inner gear, and a second sector gear which is suitable for being meshed with the outer gear.

Inventors

  • FAN RUIPENG
  • WANG YONG
  • FENG SHUANG
  • WEI YANYU
  • SONG WANKUN

Assignees

  • 珠海格力节能环保制冷技术研究中心有限公司
  • 珠海格力节能环保制冷技术研究中心有限公司

Dates

Publication Date
20260421
Application Date
20211012
Priority Date
20211012

Claims (6)

  1. 1. A reciprocating head shaking mechanism, comprising: The main motor (2) comprises a motor body (201), a main shaft (202) which is arranged on one side of the motor body (201) and is suitable for being fixedly connected with the fan head (1), a transmission shaft which is arranged on the other side of the motor body (201) and is connected with the main shaft (202) into a whole, and a rotary shaft (204) which is arranged on the lower side of the motor body (201); a chassis (3) having an external gear (301) and an internal gear (302), wherein the external gear (301) and the internal gear (302) are positioned at different heights, a connecting part matched with the rotating shaft (204) is arranged on the chassis (3), the rotating shaft (204) is rotatably arranged on the connecting part, and the axes of the external gear (301) and the internal gear (302) are collinear with the axis of the connecting part; A transmission assembly disposed between the transmission shaft and the chassis (3), the transmission assembly including a gear shaft (501), a first sector gear (503) disposed on the gear shaft (501) and adapted to mesh with the internal gear (302), and a second sector gear (504) adapted to mesh with the external gear (301), the transmission assembly having a first state in which the first sector gear (503) meshes with the internal gear (302) and a second state in which the second sector gear (504) meshes with the external gear (301), the first state and the second state alternately operating when the gear shaft (501) rotates; The transmission shaft is provided with helical teeth so that the transmission shaft forms a worm (203), and the transmission assembly comprises: a first transmission member (4) including a first shaft (401), a worm wheel (402) provided on the first shaft (401), and a first spur gear (403) provided on the first shaft (401), the worm wheel (402) being in meshed connection with the worm (203); The reciprocating head shaking mechanism further comprises a gearbox housing (6), the gearbox housing (6) is fixedly connected with the motor body (201), a first shaft hole (601) matched with the first shaft (401) is formed in the gearbox housing (6), the first shaft (401) is rotatably arranged in the first shaft hole (601), a second shaft hole (603) matched with the gear shaft (501) is formed in the gearbox housing (6), and the gear shaft (501) is rotatably arranged in the second shaft hole (603).
  2. 2. The reciprocating head shaking mechanism according to claim 1, characterized in that a plurality of screw posts (602) are arranged on the reduction gearbox housing (6), and the reduction gearbox housing (6) is connected with the motor body (201) through screws.
  3. 3. The reciprocating head shaking mechanism according to claim 1, further comprising a reduction gearbox cover (7), wherein the reduction gearbox cover (7) is arranged above the reduction gearbox housing (6) in a covering manner and is fixedly connected with the reduction gearbox housing (6).
  4. 4. A reciprocating shaking head mechanism according to any one of claims 1-3, characterized in that the connection part is a swivel shaft hole (303), the swivel shaft (204) being rotatably arranged in the swivel shaft hole (303).
  5. 5. A reciprocating shaking mechanism according to any of claims 1-3, characterized in that the transmission ratio of the inner gear (302) to the first sector gear (503) is i1, the transmission ratio of the outer gear (301) to the second sector gear (504) is i2, i1 = i2.
  6. 6. A fan comprising a reciprocating head shaking mechanism according to any one of claims 1-5.

Description

Reciprocating oscillating mechanism and fan Technical Field The invention relates to the technical field of household appliances, in particular to a reciprocating oscillating mechanism and a fan. Background At present, most fans in the market all have the function of shaking the head from side to side, and drive the fan to shake the head from side to side and need at least one motor, drive the fan to rotate and need a motor, consequently realize the rotation of fan and shake the head and need at least two motors, lead to the cost of fan higher. Disclosure of Invention Therefore, the technical problem to be solved by the invention is to overcome the defect of higher cost of the fan in the prior art, so as to provide the reciprocating head shaking mechanism and the fan which can reduce the number of motors and further reduce the cost. The invention provides a reciprocating head shaking mechanism which comprises a main motor, a chassis, a connecting part and a transmission assembly, wherein the main motor comprises a motor body, a main shaft which is arranged on one side of the motor body and is suitable for being fixedly connected with a fan head, a transmission shaft which is arranged on the other side of the motor body and is connected with the main shaft into a whole, and a revolving shaft which is arranged on the lower side of the motor body, the chassis is provided with an external gear and an internal gear, the external gear and the internal gear are different in height, the chassis is provided with the connecting part matched with the revolving shaft, the revolving shaft is rotatably arranged on the connecting part, the axis of the external gear and the internal gear is collinear with the axis of the connecting part, the transmission assembly is arranged between the transmission shaft and the chassis, and the transmission assembly comprises a gear shaft, a first sector gear which is arranged on the gear shaft and is suitable for being meshed with the internal gear, and a second sector gear which is suitable for being meshed with the external gear, and has a first state of enabling the first sector gear to be meshed with the internal gear and a second state of the second sector gear to be meshed with the external gear, and a second state of the second sector gear which is meshed with the external gear, and the first state of running alternately. Optionally, spiral teeth are arranged on the transmission shaft so that the transmission shaft forms a worm, the transmission assembly comprises a first transmission part, a second transmission part and a transmission part, wherein the first transmission part comprises a first shaft, a worm wheel arranged on the first shaft and a first cylindrical gear arranged on the first shaft, the worm wheel is in meshed connection with the worm, and the second transmission part comprises a gear shaft, a first sector gear, a second sector gear and a second cylindrical gear arranged on the gear shaft, and the second cylindrical gear is in meshed connection with the first cylindrical gear. Optionally, the reciprocating oscillating mechanism further comprises a reduction gearbox shell, the reduction gearbox shell is fixedly connected with the motor body, a first shaft hole matched with the first shaft is formed in the reduction gearbox shell, and the first shaft is rotatably arranged in the first shaft hole. Optionally, a plurality of screw columns are arranged on the reduction gearbox shell, and the reduction gearbox shell is connected with the motor body through screws. Optionally, a second shaft hole matched with the gear shaft is formed in the gearbox shell, and the gear shaft is rotatably arranged in the second shaft hole. Optionally, the reciprocating head shaking mechanism further comprises a reduction gearbox cover, and the reduction gearbox cover is arranged above the reduction gearbox shell and fixedly connected with the reduction gearbox shell. Optionally, the connection part is a rotation shaft hole, and the rotation shaft is rotatably arranged in the rotation shaft hole. Optionally, the transmission ratio of the internal gear to the first sector gear is i1, and the transmission ratio of the external gear to the second sector gear is i2, i1=i2. The invention also provides a fan comprising the reciprocating head shaking mechanism. The technical scheme of the invention has the following advantages: The reciprocating head shaking mechanism provided by the invention is only provided with one main motor, so that the rotation of the fan head can be realized, the head shaking of the fan head can be realized, the number of motors is small, the structure is simple, and the cost is low. Drawings In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the descripti