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CN-224227475-U - Premixing device and clothes treatment equipment

CN224227475UCN 224227475 UCN224227475 UCN 224227475UCN-224227475-U

Abstract

The application provides a premixing device and clothes treatment equipment, wherein the clothes treatment equipment comprises a water inlet valve, a detergent box and a washing cylinder, the detergent box is used for containing detergent, the premixing device comprises a venturi tube, the venturi tube comprises a water inlet, a negative pressure port and a water outlet, the negative pressure port is communicated with the detergent box, the water inlet is communicated with the water inlet valve, a vortex generating structure comprises a shell, an overflow cavity is formed in the shell, the overflow cavity is communicated with the water outlet and the washing cylinder, and at least part of the overflow cavity is bent to enable an overflow solution to form vortex. According to the premixing device provided by the application, the automatic addition of the detergent is realized by feeding water into the venturi tube, no additional power source is needed, and at least part of the overflow cavity is arranged in a bent shape, so that the pressure on the outer side is higher than that on the inner side by the centrifugal force of the overflow solution, and then secondary flow or spiral vortex is formed, so that the premixing effect of the washing solution is further improved, and the dissolution rate of the detergent is increased.

Inventors

  • LIU LITIAN
  • WANG ZHONGQING
  • ZHAO CHANGXING

Assignees

  • TCL家用电器（合肥）有限公司

Dates

Publication Date
20260512
Application Date
20250530

Claims (10)

  1. 1. A premixing device applied to a laundry treatment apparatus including a water inlet valve, a detergent box for placing detergent, and a washing tub, characterized in that the premixing device comprises: The venturi tube comprises a water inlet, a negative pressure port and a water outlet, the negative pressure port is communicated with the detergent box, and the water inlet is communicated with the water inlet valve; the vortex generating structure comprises a shell, wherein an overflow cavity is formed in the shell and is communicated with the water outlet and the washing cylinder, and at least part of the overflow cavity is bent to enable an overflow solution to form vortex.
  2. 2. The premixing device of claim 1, further comprising an impeller rotatably disposed within the flow chamber, the impeller being rotated by the flow of the over-flow solution through the impeller.
  3. 3. The premixing device of claim 1, wherein a baffle is disposed in the flow chamber, the baffle including a connecting end and a free end, the connecting end being connected to the housing, the free end extending into the flow chamber.
  4. 4. A premixing device according to claim 3, wherein said baffle comprises a plurality of said baffles spaced apart within said flow chamber.
  5. 5. The premixing device of claim 1, wherein the venturi comprises: one end of the contraction section is provided with the water inlet, and the inner radial direction of the contraction section is gradually reduced in the direction away from the water inlet; One end of the expansion section is provided with the water outlet, and the direction of the inner radial direction of the expansion section, which is close to the water outlet, is gradually enlarged; the throat is connected between the contraction section and the expansion section, the throat is provided with the negative pressure port, and when the water inlet valve is used for feeding water to the water inlet, the negative pressure port forms negative pressure to absorb the detergent in the detergent box.
  6. 6. Premix apparatus according to claim 5, wherein the angle between the extension direction of the pipe wall of the constriction and the horizontal plane is between 15 ° and 25 °.
  7. 7. The premixing device according to claim 5, wherein the angle between the extending direction of the tube wall of the expansion section and the horizontal plane is between 6 ° and 10 °.
  8. 8. The premixing device according to claim 1, wherein the housing has a disk shape, and communication ports are formed at opposite ends, one of the communication ports being in communication with the water outlet, and the other communication port being in communication with the washing tub.
  9. 9. The premixing device of claim 1, wherein the vortex generating structure comprises a plurality of vortex generating structures connected in sequence and disposed between the water outlet and the wash bowl.
  10. 10. A laundry treatment apparatus comprising a water inlet valve, a detergent box for placing a detergent, and a wash tub, characterized by further comprising a premixing device as claimed in any one of claims 1-9.

Description

Premixing device and clothes treatment equipment Technical Field The application belongs to the technical field of washing machines, and particularly relates to a premixing device and clothes treatment equipment. Background When detergent is put in the existing washing machine, the detergent is usually put into a detergent box, water is fed into the detergent box, and the detergent is washed and dissolved by water flow and enters into a washing cylinder. The throwing mode has low dissolution rate of the detergent, and has the problem that the detergent is not fully dissolved and deposited at the bottom of the washing cylinder and is difficult to clean. Disclosure of utility model The embodiment of the application provides a premixing device and clothes treatment equipment, which are used for solving the problem that the dissolution rate of a detergent is low by directly putting the detergent of the traditional washing machine into a detergent box and flushing and dissolving the detergent into a washing cylinder by water inlet of the detergent box. An embodiment of the present application provides a premixing device applied to a laundry treatment apparatus including a water inlet valve, a detergent box for placing a detergent, and a washing drum, the premixing device including: The venturi tube comprises a water inlet, a negative pressure port and a water outlet, the negative pressure port is communicated with the detergent box, and the water inlet is communicated with the water inlet valve; the vortex generating structure comprises a shell, wherein an overflow cavity is formed in the shell and is communicated with the water outlet and the washing cylinder, and at least part of the overflow cavity is bent to enable an overflow solution to form vortex. Optionally, the device further comprises an impeller, wherein the impeller is rotatably arranged in the overflow cavity, and the impeller is driven to rotate when the overflow solution flows through the impeller. Optionally, a blocking piece is arranged in the overcurrent cavity, the blocking piece comprises a connecting end and a free end, the connecting end is connected with the shell, and the free end is extended into the overcurrent cavity. Optionally, the separation blade includes a plurality of, and a plurality of separation blade interval sets up in the overflow intracavity. Optionally, the venturi comprises: one end of the contraction section is provided with the water inlet, and the inner radial direction of the contraction section is gradually reduced in the direction away from the water inlet; One end of the expansion section is provided with the water outlet, and the direction of the inner radial direction of the expansion section, which is close to the water outlet, is gradually enlarged; the throat is connected between the contraction section and the expansion section, the throat is provided with the negative pressure port, and when the water inlet valve is used for feeding water to the water inlet, the negative pressure port forms negative pressure to absorb the detergent in the detergent box. Optionally, the angle between the extending direction of the tube wall of the constriction and the horizontal plane is between 15 ° and 25 °. Optionally, the angle between the extending direction of the tube wall of the expansion section and the horizontal plane is between 6 degrees and 10 degrees. Optionally, the shell is disc-shaped, and communication ports are formed at two opposite ends, one communication port is communicated with the water outlet, and the other communication port is communicated with the washing cylinder. Optionally, the vortex generating structure comprises a plurality of vortex generating structures, and the plurality of vortex generating structures are sequentially connected and arranged between the water outlet and the washing cylinder. The embodiment of the application also provides clothes treatment equipment, which comprises a water inlet valve, a detergent box and a washing drum, wherein the detergent box is used for placing detergent, and the clothes treatment equipment further comprises the premixing device. According to the premixing device provided by the embodiment of the application, water is fed into the venturi tube, so that negative pressure is formed at the negative pressure port to automatically absorb the detergent in the detergent box, automatic addition of the detergent is realized, no additional power source is needed, the detergent is mixed with water to form a washing solution after entering the venturi tube and then enters the overflow cavity of the vortex generating structure, at least part of the overflow cavity is arranged in a bent shape, the centrifugal force of the overflow solution enables the outer pressure to be higher than the inner pressure, and then secondary flow or spiral vortex is formed, so that the premixing effect of the washing solution is further improved, the dissolution rate of the deterg