CN-122013490-A - Shower nozzle and clothing treatment facility
Abstract
The application discloses a spray head and clothes treatment equipment. The spray head is provided with a first port wall and a second port wall, the first port wall comprises a main flow guiding surface, the main flow guiding surface is provided with a first water outlet edge, the second port wall is provided with a second water outlet edge, the first water outlet edge and the second water outlet edge are encircled to form a water outlet, the water outlet is used for facing an evaporator of the clothes treatment equipment, the main flow guiding surface is inclined towards one side where the second port wall is located along the gravity direction, and the spray head is further provided with an end flow guiding surface which is connected with the first water outlet edge and extends towards one side far away from the first water outlet edge along the gravity direction. According to the application, the pressure difference of water flow is large in the process of flowing to the water outlet along the gravity direction between the first port wall and the second port wall, so that the speed of water flow sprayed out of the water outlet is high, and the water flow sprayed out of the water outlet is guided to flow along the gravity direction by the restriction of the end flow guide surface, so that the sprayed water flow can reach the surface of the evaporator more.
Inventors
- ZHU XIAOWEI
- MOU QIUQI
- SHEN QI
Assignees
- 无锡美芝电器有限公司
Dates
- Publication Date
- 20260512
- Application Date
- 20241017
Claims (13)
- 1. A spray head for a laundry treatment apparatus, characterized in that the spray head has a first port wall and a second port wall, the first port wall comprising a main flow surface having a first water outlet edge, the second port wall having a second water outlet edge, the first water outlet edge and the second water outlet edge enclosing a water outlet for facing an evaporator of the laundry treatment apparatus; The shower nozzle further comprises a flow expansion section, the flow expansion section extends to be connected with the water outlet section, the flow expansion section is provided with a flow expansion bottom surface connected with the second port wall, and the distance from the position, where the second port wall is connected with the flow expansion bottom surface, to the first port wall is larger than the size of the water outlet along the horizontal direction.
- 2. The spray head of claim 1 wherein said second water outlet edge and said first water outlet edge are at the same level.
- 3. The spray head of claim 1 wherein said primary flow guide surface is inclined in the direction of gravity to the side of said second port wall, said spray head further having an end flow guide surface connected to said first water outlet edge and extending in the direction of gravity to a side remote from said first water outlet edge.
- 4. A spray head according to claim 3, wherein the width of the end deflector surface in the direction of gravity is M,0mm < m≤10 mm.
- 5. A spray head according to claim 3, wherein the spray head has a water guide, the end of which extends into the outlet flow section; the water guide part is provided with a water facing circular arc surface facing the second port wall, a circle where the water facing circular arc surface is located is provided with a vertical tangent line, and the first water outlet edge is located at the vertical tangent line.
- 6. The spray head of claim 5 wherein said first port wall includes a flow-directing base surface connected to an edge of said main flow-directing surface facing away from said end flow-directing surface; the water guide part is provided with a back surface facing the flow guide base surface, and the back surface is attached to the flow guide base surface; the flow guiding base surface extends along the gravity direction, or inclines towards the side where the second port wall is located in the gravity direction.
- 7. The spray head of claim 1 wherein said diffuser section is located on a side of said outlet section remote from said first port wall.
- 8. The spray head according to claim 1, wherein, The cross-sectional width of at least part of the diffuser section is gradually increased along the direction approaching the outlet flow section, and/or, The flow expansion bottom surface is provided with a flow expansion area connected with the second port wall, the spray head is provided with a plurality of flow guide vertical plates which are arranged in the flow expansion area and are distributed at intervals along the transverse direction of the flow expansion section, and/or, The lateral width of at least part of the outlet flow section is gradually reduced along the direction approaching the water outlet.
- 9. The spray head of claim 1, wherein the spray head comprises: A first housing having a water spout with the first port wall and the second port wall, the first housing further having the flow spreading bottom surface connected to the second port wall; The second shell is provided with a water guide part and a flow expansion top surface connected with the surface of the water guide part; The second shell is arranged on the first shell, the flow expansion bottom surface and the flow expansion top surface are oppositely arranged along the gravity direction, and the water guide part stretches into the water outlet flow section to guide the fluid in the flow expansion section to flow to the water outlet.
- 10. A laundry treatment apparatus, comprising: The spray head of any one of claims 1-9; a chamber housing having a heat exchange flow path, and The evaporator is arranged in the heat exchange flow channel and is arranged in the cavity shell, the spray head is arranged in the cavity shell, and the water outlet of the spray head is communicated with the heat exchange flow channel and is arranged towards the evaporator.
- 11. The laundry treatment apparatus according to claim 10, wherein the evaporator has a windward side at an angle to the horizontal, the windward side being located below the water outlet in the direction of gravity, and the projections of the water outlet being located entirely within the projection area of the evaporator.
- 12. The laundry treatment apparatus according to claim 11, characterized in that the edge of the windward facing side of the water outlet forms a first windward edge, and in the horizontal direction, the minimum distance from the water outlet to the first windward edge is L1,0 mm≤l1≤3mm.
- 13. The laundry treatment apparatus according to claim 10, wherein, The chamber housing has a water collection sump in communication with the heat exchange flow passage, the water collection sump collecting a water stream flowing down from the evaporator; The laundry treatment apparatus further includes a water pump mounted to the cabinet housing, the water pump being respectively in communication with the sump and the outlet flow section passage and configured to deliver water flow in the sump to the outlet flow section.
Description
Shower nozzle and clothing treatment facility Technical Field The application relates to the technical field of household appliances, in particular to a spray head and clothes treatment equipment. Background A heat exchange assembly such as an evaporator and a condenser is arranged in a heat exchange flow passage of the clothes treatment device (such as a heat pump clothes dryer), moist air flow from the clothes treatment cavity is converted into dry hot air flow through the heat exchange assembly, the dry hot air flow flows back into the clothes treatment cavity and exchanges heat with wet clothes in the clothes treatment cavity to form moist air flow again, and the moist air flow flows out of the clothes treatment cavity, and is repeatedly circulated to dry the clothes. Because sundries such as filings can be carried in the humid air flow, the filings are easy to adhere to the heat exchange assembly after long-term use, if the filings such as the filings on the heat exchange assembly are not removed in time, the heat exchange performance can be seriously affected, and peculiar smell is easy to generate. Disclosure of Invention The embodiment of the application provides a spray head and clothes treatment equipment, which can solve the problem that the work of an evaporator is affected by sundries such as filth and the like adhered to the surface of the evaporator. In a first aspect, an embodiment of the present application provides a spray head for a laundry treatment device, the spray head having a first port wall and a second port wall, the first port wall comprising a main flow surface, the main flow surface having a first water outlet edge, the second port wall having a second water outlet edge, the first water outlet edge and the second water outlet edge circumscribing a water outlet for facing an evaporator of the laundry treatment device; the main diversion surface is inclined towards one side of the second port wall along the gravity direction, and the spray head is further provided with an end diversion surface which is connected with the first water outlet edge and extends towards one side far away from the first water outlet edge along the gravity direction. In some embodiments, the second water outlet edge and the first water outlet edge are at the same level. In some embodiments, the end flow guide surface has a width M in the direction of gravity of 0mm < M≤10 mm. In some embodiments, the first port wall and the second port wall surround to form an outlet flow section; the spray head is further provided with a flow expansion section, the flow expansion section is positioned on one side, far away from the first port wall, of the water outlet flow section, and the flow expansion section extends to be connected with the water outlet flow section. In some embodiments, the lateral width of the diffuser section increases gradually in a direction approaching the outlet section, and/or, The flow expansion section is provided with a flow expansion bottom surface, the flow expansion bottom surface is provided with a flow expansion area connected with the second port wall, the spray head is provided with a plurality of flow guide vertical plates, the flow guide vertical plates are arranged in the flow expansion area, and the flow guide vertical plates are arranged at intervals along the transverse direction of the flow expansion section, and/or, The lateral width of at least part of the outlet flow section is gradually reduced along the direction approaching the water outlet. In some embodiments, the spray head has a water guide with an end extending into the outlet flow section; the water guide part is provided with a water facing circular arc surface facing the second port wall, a circle where the water facing circular arc surface is located is provided with a vertical tangent line, and the first water outlet edge is located at the vertical tangent line. In some embodiments, the first port wall includes a flow guiding base surface connected to an edge of the main flow guiding surface facing away from the end flow guiding surface; the water guide part is provided with a back surface facing the flow guide base surface, the back surface is attached to or arranged at intervals with the flow guide base surface, the flow guide base surface extends along the gravity direction, or the flow guide base surface inclines towards one side where the second port wall is located in the gravity direction. In some embodiments, the spray head comprises: The water outlet device comprises a first shell, a second shell, a water inlet pipe, a water outlet pipe, a water inlet pipe, a water outlet pipe and a water outlet pipe, wherein the water outlet pipe is provided with a first port wall and a second port wall; The second shell is provided with a water guide part and a flow expansion top surface connected with the surface of the water guide part; The second shell is arranged on the first shell, the flow expansion bottom su