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CN-122004706-A - Dish-washing machine

CN122004706ACN 122004706 ACN122004706 ACN 122004706ACN-122004706-A

Abstract

The invention belongs to the technical field of kitchen appliances, and discloses a dish washer. The dish washer comprises a spray arm and a driving mechanism, wherein the driving mechanism comprises a driving piece, a water diversion valve and a transmission clutch assembly, the output end of the driving piece is in transmission connection with the input end of the transmission clutch assembly, the transmission clutch assembly is provided with a first output end and a second output end, the first output end is in transmission connection with the water diversion valve, the second output end is in transmission connection with the spray arm, when the output end of the driving piece rotates along a first direction, the water diversion valve is driven to act through the transmission clutch assembly, the spray arm is kept in a static state, and when the output end of the driving piece rotates along a second direction, the spray arm is driven to rotate through the transmission clutch assembly, and the water diversion valve is kept in a static state. The water diversion valve and the spray arm share the same driving piece through the transmission clutch assembly, so that the number of the driving pieces can be reduced, the size of the driving mechanism is reduced, the complexity of the driving mechanism and the energy consumption of the whole machine are reduced, the manufacturing cost is reduced, and the operation efficiency of the dish washing machine is improved.

Inventors

  • JIN CHUNJUN

Assignees

  • 宁波九菱电机有限公司

Dates

Publication Date
20260512
Application Date
20260331

Claims (10)

  1. 1. The dish washer is characterized by comprising a spray arm (100) and a driving mechanism (300), wherein the driving mechanism (300) comprises a driving piece (350), a shunt valve (360) and a transmission clutch assembly, the output end of the driving piece (350) is in transmission connection with the input end of the transmission clutch assembly, the transmission clutch assembly is provided with a first output end and a second output end, the first output end is in transmission connection with the shunt valve (360), and the second output end is in transmission connection with the spray arm (100); When the output end of the driving piece (350) rotates along a first direction, the transmission clutch assembly drives the shunt valve (360) to act, the spray arm (100) is kept in a static state, and when the output end of the driving piece (350) rotates along a second direction, the transmission clutch assembly drives the spray arm (100) to rotate, the shunt valve (360) is kept in a static state, and the first direction is opposite to the second direction.
  2. 2. The dishwasher of claim 1, characterized in that the transmission clutch assembly comprises a first unidirectional transmission assembly (320) and a second unidirectional transmission assembly (330) with opposite transmission directions, the output end of the first unidirectional transmission assembly (320) and the output end of the second unidirectional transmission assembly (330) are respectively the first output end and the second output end, a water diversion sheet (362) for switching waterways is rotationally arranged in the water diversion valve (360), the water diversion sheet (362) is in transmission connection with the first output end, the spray arm (100) is in transmission connection with the second output end, the input end of the first unidirectional transmission assembly (320) and the input end of the second unidirectional transmission assembly (330) are in transmission connection, and one of the input end of the first unidirectional transmission assembly (320) and the input end of the second unidirectional transmission assembly (330) is in transmission connection with the output end of the driving piece (350); When the output end of the driving piece (350) rotates along the first direction, the first unidirectional transmission assembly (320) drives the water diversion sheet (362) to act, the second unidirectional transmission assembly (330) enables the spray arm (100) to be static, and when the output end of the driving piece (350) rotates along the second direction, the first unidirectional transmission assembly (320) enables the water diversion sheet (362) to keep static, and the second unidirectional transmission assembly (330) enables the spray arm (100) to rotate.
  3. 3. The dishwasher of claim 2, characterized in that the first unidirectional transmission assembly (320) comprises a first transmission shaft (321), a first ratchet structure (322) and a first transmission wheel (323), one end of the first transmission shaft (321) is in transmission connection with the water dividing sheet (362), and the other end of the first transmission shaft (321) is in transmission connection with the first transmission wheel (323) through the first ratchet structure (322); The second unidirectional transmission assembly (330) comprises a second transmission shaft (331), a second ratchet structure (332) and a second transmission wheel (333), one end of the second transmission shaft (331) is in transmission connection with the spray arm (100), and the other end of the second transmission shaft (331) is in transmission connection with the second transmission wheel (333) through the second ratchet structure (332); The first driving wheel (323) is in driving connection with the second driving wheel (333), one of the first driving wheel (323) and the second driving wheel (333) is in driving connection with the output end of the driving piece (350), and the driving directions of the first ratchet wheel structure (322) and the second ratchet wheel structure (332) are opposite.
  4. 4. A dishwasher according to claim 3, wherein the first ratchet structure (322) comprises a first pawl (3222) and a first ratchet (3223), a first disc (3221) is provided at a lower end of the first transmission shaft (321), the first pawl (3222) is provided along a circumferential direction of the first disc (3221), and the first ratchet (3223) is coaxially fixed with the first transmission wheel (323); The second ratchet structure (332) comprises a second pawl (3322) and a second ratchet (3323), a second disc (3321) is arranged at the lower end of the second transmission shaft (331), the second pawl (3322) is arranged along the circumferential direction of the second disc (3321), and the second ratchet (3323) and the second transmission wheel (333) are coaxially fixed; When the first driving wheel (323) rotates along the first direction, the first ratchet wheel (3223) is meshed with the first pawl (3222), the second ratchet wheel (3323) is in a slipping state with the second ratchet wheel (3323), and when the first driving wheel (323) rotates along the second direction, the first ratchet wheel (3223) is in a slipping state with the first pawl (3222), and the second ratchet wheel (3323) is meshed with the second pawl (3322).
  5. 5. A dishwasher according to claim 3, wherein the first drive wheel (323) is a first drive gear and the second drive wheel (333) is a second drive gear, the first and second drive gears being meshed; Or, the driving mechanism (300) comprises a first driving belt, the first driving wheel (323) is a first driving belt wheel, the second driving wheel (333) is a second driving belt wheel, and the first driving belt is wound on the peripheries of the first driving belt wheel and the second driving belt wheel and is tensioned.
  6. 6. The dishwasher of claim 2, characterized in that the water diversion valve (360) further comprises: the water distribution piece (362) is rotatably arranged in the valve body (361), the valve body (361) is provided with at least one water outlet, and at least one water outlet is communicated with the spray arm (100); a first rotating shaft (363), one end of which is fixedly connected with the water diversion sheet (362), and the other end of which is coaxially fixed with the first output end; And the shaft seal (364) is arranged at the joint of the first rotating shaft (363) and the valve body (361).
  7. 7. The dishwasher of claim 6, characterized in that the drive mechanism (300) further comprises: -a cam (370), said cam (370) being coaxially fixed with said first rotation shaft (363); the position detection piece (380) is arranged on the periphery side of the cam (370), and the cam (370) can trigger the position detection piece (380) when rotating along with the first rotating shaft (363).
  8. 8. The dishwasher of claim 1, wherein the driving mechanism (300) further comprises a third transmission assembly (340), a second rotating shaft (110) is fixed at the bottom of the spray arm (100), and the second rotating shaft (110) is in transmission connection with the second output end through the third transmission assembly (340).
  9. 9. The dishwasher of claim 8, characterized in that the third transmission assembly (340) comprises: The rotary shaft sleeve (341) is arranged at the bottom of the spray arm (100), the rotary shaft sleeve (341) is sleeved on the second rotary shaft (110) and is coaxially fixed with the second rotary shaft (110), and a third transmission gear (342) is arranged at the bottom end of the rotary shaft sleeve (341); and a fourth transmission gear (343) coaxially arranged with the second output end, wherein the third transmission gear (342) is meshed with the fourth transmission gear (343).
  10. 10. The dishwasher of claim 9, characterized in that a fifth transmission gear (111) is provided at the bottom end of the second rotating shaft (110), and a plurality of transmission teeth are provided in the rotating shaft sleeve (341) along the circumferential direction of the rotating shaft sleeve (341), and the transmission teeth are engaged with the fifth transmission gear (111).

Description

Dish-washing machine Technical Field The invention relates to the technical field of kitchen appliances, in particular to a dish washer. Background The dishwasher generally comprises a water diversion valve and a spray arm, wherein the water diversion valve is used for switching or distributing a washing waterway so as to realize selective water supply to an upper layer frame, a lower layer frame or different spray areas, thereby meeting the requirements of different washing working conditions, and meanwhile, the spray arm needs to continuously rotate in the washing process so as to form spray water flow with larger coverage range, thereby improving the washing effect. However, in the prior art, the diverter valve and the spray arm are often driven by separate driving motors, respectively, i.e., the diverter valve is switched in waterway by one driving motor and the spray arm is rotated by the other driving motor. The design increases the number of the driving motors in the dish washer, thereby leading to complex structure and larger occupied space of the whole machine, and simultaneously, the arrangement of a plurality of driving motors not only increases the manufacturing cost, but also increases the energy consumption of the whole machine. Accordingly, there is a need for a dishwasher to solve the above-mentioned problems. Disclosure of Invention The invention aims to provide a dish washer, which reduces the whole volume of a driving mechanism, improves the space utilization rate, reduces the energy consumption of the driving mechanism and saves the production cost. To achieve the purpose, the invention adopts the following technical scheme: The dish washer comprises a spray arm and a driving mechanism, wherein the driving mechanism comprises a driving piece, a water diversion valve and a transmission clutch assembly, the output end of the driving piece is in transmission connection with the input end of the transmission clutch assembly, the transmission clutch assembly is provided with a first output end and a second output end, the first output end is in transmission connection with the water diversion valve, and the second output end is in transmission connection with the spray arm; when the output end of the driving piece rotates along a second direction, the driving clutch assembly drives the spray arm to rotate, the water diversion valve keeps a static state, and the first direction is opposite to the second direction. Optionally, the transmission clutch assembly includes a first unidirectional transmission assembly and a second unidirectional transmission assembly with opposite transmission directions, the output end of the first unidirectional transmission assembly and the output end of the second unidirectional transmission assembly are the first output end and the second output end respectively, a water diversion sheet for switching waterways is rotatably arranged in the water diversion valve, the water diversion sheet is in transmission connection with the first output end, the spray arm is in transmission connection with the second output end, the input end of the first unidirectional transmission assembly and the input end of the second unidirectional transmission assembly are in transmission connection, and one of the input end of the first unidirectional transmission assembly and the input end of the second unidirectional transmission assembly is in transmission connection with the output end of the driving piece; When the output end of the driving piece rotates along the first direction, the first unidirectional transmission component drives the water splitting piece to act, and the second unidirectional transmission component enables the spray arm to be static; when the output end of the driving piece rotates along the second direction, the water diversion sheet is kept static through the first unidirectional transmission assembly, and the spray arm rotates through the second unidirectional transmission assembly. Optionally, the first unidirectional transmission assembly comprises a first transmission shaft, a first ratchet structure and a first transmission wheel, one end of the first transmission shaft is in transmission connection with the water dividing sheet, and the other end of the first transmission shaft is in transmission connection with the first transmission wheel through the first ratchet structure; The second unidirectional transmission assembly comprises a second transmission shaft, a second ratchet structure and a second transmission wheel, one end of the second transmission shaft is in transmission connection with the spray arm, and the other end of the second transmission shaft is in transmission connection with the second transmission wheel through the second ratchet structure; the first driving wheel is in transmission connection with the second driving wheel, one of the first driving wheel and the second driving wheel is in transmission connection with the output end