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CN-224220270-U - Oral cavity cleaning device

CN224220270UCN 224220270 UCN224220270 UCN 224220270UCN-224220270-U

Abstract

The present disclosure relates to an oral cleaning device comprising a grip, a pump assembly, an output shaft, and a cleaning assembly. The cleaning device comprises a holding part, a pump assembly, a hollow runner, a cleaning assembly, a nozzle, a first runner, a second runner, a third runner and a pump assembly, wherein the holding part is provided with a power cavity and a liquid storage cavity, the pump assembly is arranged in the power cavity, the pump assembly is provided with a liquid inlet runner and a liquid outlet runner, the liquid inlet runner is communicated with the liquid storage cavity, a hollow runner communicated with the liquid outlet runner is arranged in an output shaft, the cleaning assembly comprises a nozzle and a main body part connected to one end of the holding part, the main body part is internally provided with the first runner communicated with the hollow runner and extending along a first axis, the nozzle is internally provided with the second runner which extends along a second axis, the cleaning assembly is also provided with the third runner positioned between the first runner and the second runner, the third runner is an arc-shaped bend and can receive liquid flowing out of the first runner and convert the flowing direction of the liquid flowing out of the first runner into flowing along the second axis, and the pump assembly pumps the liquid in the liquid storage cavity out of the hollow runner, the first runner, the third runner and the second runner.

Inventors

  • ZUO JIE

Assignees

  • 深圳素士科技股份有限公司

Dates

Publication Date
20260512
Application Date
20250603

Claims (20)

  1. 1. An oral cleaning device, comprising: a holding part (200) extending along a first axis, wherein a power cavity (210) and a liquid storage cavity (220) are arranged in the holding part (200); The pump assembly (100) is arranged in the power cavity (210), a liquid inlet flow channel (7) and a liquid outlet flow channel (8) are arranged on the pump assembly (100), and the liquid inlet flow channel (7) is configured to be communicated with the liquid storage cavity (220); An output shaft (310) extending along a first axis, a hollow flow passage (311) extending along the first axis being provided in the output shaft (310), the hollow flow passage (311) being configured to communicate with the liquid outlet flow passage (8); A cleaning assembly (400) disposed at one end of the grip portion (200), the cleaning assembly (400) comprising a nozzle (420) and a main body portion (410) connected to one end of the grip portion (200), a first flow passage (411) disposed within the main body portion (410) and communicating with the hollow flow passage (311) and extending at least partially along the first axis, a second flow passage (421) disposed within the nozzle (420) and communicating with the first flow passage (411), the second flow passage (421) being configured to extend along a second axis that intersects the first axis; Wherein the cleaning assembly (400) further has a third flow passage (440) positioned between the first flow passage (411) and the second flow passage (421), opposite ends of the third flow passage (440) respectively communicating with the first flow passage (411), the second flow passage (421), the third flow passage (440) being configured as an arcuate bend and being capable of receiving liquid flowing out of the first flow passage (411) and switching a flow direction of the liquid flowing out of the first flow passage (411) to flow along the second axis, the pump assembly (100) being configured to pump the liquid in the liquid storage chamber (220) out through the hollow flow passage (311), the first flow passage (411), the third flow passage (440), the second flow passage (421).
  2. 2. The oral cleaning apparatus according to claim 1, characterized in that the inner diameter of the third flow channel (440) is configured to remain unchanged.
  3. 3. The oral cleaning apparatus according to claim 1, wherein the water flow angle of the third flow channel (440) is configured to lie in a range of 60 ° to 120 °.
  4. 4. The oral cleaning apparatus according to claim 3, characterized in that the water flow angle of the third flow channel (440) is configured to lie in the interval range of 80 ° to 100 °.
  5. 5. The oral cleaning device according to claim 1, characterized in that the inner diameter of the outlet flow channel (8) is equal to the inner diameter of the hollow flow channel (311), and/or the inner diameter of the first flow channel (411) is equal to the inner diameter of the hollow flow channel (311), and/or the inner diameter of the third flow channel (440) is equal to the inner diameter of the first flow channel (411), and/or the inner diameter of the end of the second flow channel (421) near the third flow channel (440) is equal to the inner diameter of the third flow channel (440).
  6. 6. The oral cleaning apparatus according to claim 1, wherein the cleaning assembly (400) further comprises a contact (430) coupled to the body portion (410), the nozzle (420) being coupled to the contact (430).
  7. 7. The oral cleaning apparatus according to claim 6, characterized in that a mounting groove (423) is provided in the nozzle (420), the mounting groove (423) is configured to be located at one end of the second flow channel (421) near the third flow channel (440), a protruding member (412) adapted to the mounting groove (423) is provided on the main body (410), the protruding member (412) is configured to protrude at least partially from the main body (410) to engage with an end surface of the contact member (430) and is embedded in the mounting groove (423), the protruding member (412) encloses a transitional flow channel (413), and the transitional flow channel (413) streamline communicates the third flow channel (440) to the second flow channel (421).
  8. 8. The oral cleaning device according to claim 7, characterized in that the inner diameter of the transition flow channel (413) is equal to the inner diameter of the third flow channel (440), and/or that the inner diameter of the second flow channel (421) is equal to the inner diameter of the third flow channel (440) in communication, and/or that the inner diameter of the transition flow channel (413) gradually changes along the second axis from the same value as the inner diameter of the third flow channel (440) to the same value as the inner diameter of the second flow channel (421).
  9. 9. The oral cleaning apparatus according to claim 7, characterized in that the mounting groove (423) is configured as a stepped groove, and the outer wall of the projection (412) is configured as a stepped wall surface that fits into the mounting groove (423).
  10. 10. The oral cleaning device according to claim 6, further comprising a drive member (300), the drive member (300) comprising the output shaft (310), the drive member (300) being configured for driving the body portion (410) to move the contact member (430) relative to the grip portion (200).
  11. 11. The oral cleaning apparatus according to claim 6, wherein the contact (430) comprises a bristle (431) and bristles (432) disposed on the bristle (431) extending in a direction away from the bristle (431) along the second axis.
  12. 12. The oral cleaning apparatus according to claim 11, wherein the nozzle (420) is configured to be integrally formed with the bristle implant (431).
  13. 13. The oral cleaning apparatus according to claim 1, characterized in that the second flow channel (421) comprises a constriction (4210), an end of the constriction (4210) remote from the first flow channel (411) enclosing a jet end (4211), an end of the second flow channel (421) remote from the jet end (4211) being in communication with the third flow channel (440).
  14. 14. The oral cleaning device according to claim 13, characterized in that the inner diameter of the ejection end (4211) is 0.5-0.6mm, and/or the extension of the ejection end (4211) along the second axis is 0.5-0.65mm, and/or the inner diameter of the input end (4212) of the constriction (4210) is 1.3-1.5mm, and/or the inner diameter of the input end (4212) of the constriction (4210) is smaller than or equal to the inner diameter of the third flow channel (440).
  15. 15. The oral cleaning apparatus according to claim 14, characterized in that the inner diameter of the ejection end (4211) is the same as the smallest inner diameter of the constriction (4210), or that the inner diameter of the ejection end (4211) is configured to increase gradually in a direction away from the constriction (4210).
  16. 16. The oral cleaning apparatus according to claim 13, characterized in that the wall extension of the constriction (4210) forms an angle of 7-13 ° with the second axis in a plane defined by the first and second axes.
  17. 17. The oral cleaning apparatus according to claim 13, characterized in that the length of the constriction (4210) in the second axial direction is 1.8-3mm.
  18. 18. The oral cleaning apparatus according to claim 17, characterized in that the length of the constriction (4210) in the second axial direction is 2-2.5mm.
  19. 19. The oral cleaning device according to claim 13, characterized in that the first flow channel (411) comprises a first connection section adjacent to the third flow channel (440), the first connection section having an inner diameter configured to decrease gradually in the flow direction, and/or the third flow channel (440) comprises a second connection section adjacent to the second flow channel (421), the second connection section having an inner diameter configured to decrease gradually in the flow direction.
  20. 20. The oral cleaning device according to claim 13, characterized in that the second flow channel (421) further comprises an inlet section (422), the inlet section (422) being configured to communicate the third flow channel (440) to the constriction section (4210), the inlet section (422) having an inner diameter in the second axial direction configured to remain unchanged and/or the constriction section (4210) having an inner diameter at its beginning not larger than the inner diameter of the inlet section (422).

Description

Oral cavity cleaning device Technical Field The present disclosure relates to the field of oral care technology, and in particular to an oral cleaning device. Background With the promotion of national oral health consciousness, the market demand of oral care equipment with deep cleaning function is continuously growing. The oral cavity cleaning equipment with the tooth flushing function such as the integrated tooth flushing device and the flushing device can pump out a high-speed water column with a certain pressure, and clean teeth and tooth gaps by utilizing the impact force of the high-speed water column, so that dental plaque and food residues in the tooth gaps are effectively removed. However, the existing product still has significant technical bottlenecks in practical application, such as the flushing integrated cleaner, which has high functional complexity, so that the volume of a water tank is generally smaller than that of the tooth flushing device, and a user needs to receive water for a plurality of times in a one-time use process. It can be seen how to improve the water outlet impact force of the oral cavity cleaning device is a technical problem to be solved by those skilled in the art. Disclosure of utility model The present disclosure provides an oral cleaning device in order to solve the problems in the prior art. According to a first aspect of the present disclosure there is provided an oral cleaning device comprising: The holding part extends along the first axis and is internally provided with a power cavity and a liquid storage cavity; The pump assembly is provided with a liquid inlet flow passage and a liquid outlet flow passage, and the liquid inlet flow passage is communicated with the liquid storage cavity; An output shaft extending along a first axis, a hollow flow passage extending along the first axis being provided in the output shaft, the hollow flow passage being configured to communicate with the liquid outlet flow passage; The cleaning component is arranged at one end of the holding part; the cleaning assembly comprises a nozzle, a main body part, a second flow passage, a cleaning assembly and a cleaning assembly, wherein the main body part is connected to one end of the holding part, a first flow passage which is communicated with the hollow flow passage and extends along the first axis at least partially is arranged in the main body part, and a second flow passage which is communicated with the first flow passage is arranged in the nozzle and is configured to extend along a second axis which intersects with the first axis; The cleaning assembly further comprises a third flow passage positioned between the first flow passage and the second flow passage, opposite ends of the third flow passage are respectively communicated with the first flow passage and the second flow passage, the third flow passage is configured into an arc bend and can receive liquid flowing out of the first flow passage and convert the flowing direction of the liquid flowing out of the first flow passage to flow along the second axis, and the pump assembly is configured to pump the liquid in the liquid storage cavity out of the hollow flow passage, the first flow passage, the third flow passage and the second flow passage. In one embodiment of the present disclosure, the inner diameter of the third flow passage is configured to remain unchanged. In one embodiment of the present disclosure, the water flow angle of the third flow passage is configured to be in a range of 60 ° to 120 °. In one embodiment of the present disclosure, the water flow angle of the third flow passage is configured to be in a range of 80 ° to 100 °. In one embodiment of the disclosure, the inner diameter of the liquid outlet channel is equal to the inner diameter of the hollow channel, and/or the inner diameter of the first channel is equal to the inner diameter of the hollow channel, and/or the inner diameter of the third channel is equal to the inner diameter of the first channel, and/or the inner diameter of the end of the second channel near the third channel is equal to the inner diameter of the third channel. In one embodiment of the present disclosure, the cleaning assembly further includes a contact coupled to the body portion, the nozzle being coupled to the contact. In one embodiment of the disclosure, a mounting groove is arranged in the nozzle and is configured to be positioned at one end of the second flow channel close to the third flow channel, a protruding piece matched with the mounting groove is arranged on the main body part and is configured to protrude out of the end face of the main body part, which is connected with the contact piece, and is embedded in the mounting groove, and the protruding piece is enclosed to form a transitional flow channel which is in streamline communication with the third flow channel to the second flow channel. In one embodiment of the disclosure, the inner diameter of the transitio