Abstract: A nozzle structure including a spray pipe, including an outlet end provided with a spray head formed with a spray outlet. The spray head is provided with a spray cavity and a flow channel, the spray cavity is connected with the spray outlet, the flow channel guides water inside the spray pipe to the spray cavity, the flow channel is connected with the spray cavity through a connecting flow channel, and the connecting flow channel extends along a tangential direction of the spray cavity. A method for delivering additives to a washing machine is further provided, wherein after inlet water flow is mixed with delivered additives in a water supply path, a mixture is directly sprayed into a rotating washing drum.

Abstract: A turbulent flow structure is arranged in a water supply waterway and configured to form a vortex water flow, and mixes a delivered additive with inflow water; and an outlet of the water supply waterway is connected with a nozzle. An inlet of the water supply waterway of the additive delivery apparatus communicates with a washing machine water inflow pipe, and the nozzle of the additive delivery apparatus sprays an additive solution into the washing drum of the washing machine. The turbulent flow structure is arranged in the water supply waterway, so that an additive and water mixed solution in the water supply waterway will form the vortex water flow when flowing through the turbulent flow structure, to stir the additive and the water to be mixed, and mixing uniformity of the additive solution flowing out of the water supply waterway of the additive delivery apparatus is achieved.

Abstract: One or more implementations shown in the present specification provide an offline payment method. A communication connection between a collection device and a payment device is established, wherein both the collection device and the payment device are in an offline state. Payment data sent by the collection device is received by the payment device through the communication connection established to the collection device. Payment processing based on the payment data and account information of the payment device is performed by the payment device, to obtain a payment result. The payment result is returned, by the payment device to the collection device through the communication connection. Collection processing is performed, by the collection device, based on the payment result and obtained account information of the payment device, to obtain a collection result.

Abstract: An additive delivery device includes a water supply waterway; and a delivery unit to deliver additives to the water supply waterway; an outlet of the water supply waterway being connected to a nozzle structure. A washing machine includes an inner drum configured to hold a load and the additive delivery device. An inlet of the water supply waterway communicates with a water inlet pipe, and the nozzle structure of the additive delivery device jets an additive solution towards the inside of the inner drum of the washing machine. Additives in the washing machine directly flow to the nozzle structure by the water supply waterway and are directly jetted into the inner drum by the nozzle structure without passing through a water box and an outer drum outside the inner drum, and then, onto the load in the inner drum to increase the utilization ratio of the additives.

Abstract: An automatic detergent feeding device includes a liquid storage box, the liquid storage box is provided with a liquid outlet channel, the inside of the liquid outlet channel is provided with an opening and closing valve assembly for opening/closing the liquid outlet channel and an anti-backflow valve assembly for preventing an external liquid from flowing backwards into the liquid storage box, and the anti-backflow valve assembly is arranged at the upstream, corresponding to a liquid outlet direction, of the opening and closing valve assembly. The automatic detergent feeding device is provided with the anti-backflow valve assembly to prevent the external liquid from flowing backwards into the liquid storage box. Therefore, in case of failure of an extraction unit, the anti-backflow valve assembly will close the liquid outlet channel of the liquid storage box to prevent the external liquid from flowing backwards into the liquid storage box to cause water overflow.

Abstract: Provided is a dispenser assembly. The dispenser assembly includes a handle; a waterproof box, where a gap is disposed between the waterproof box and a dispenser; and a first block rib that is disposed inside the waterproof box and at one end of the waterproof box adjacent to the handle of the dispenser, where the first block rib is configured to prevent liquid from overflowing from the gap.

Abstract: Disclosed herein is an ion selective separation membrane including: a metal organic framework layer formed on, in, and/or around a substrate, the metal organic framework having a crystal structure that includes a first surface and a second surface and includes ion transport channels formed between respective pore windows in the first surface and the second surface; first and second electrodes to apply a potential difference across the membrane; wherein the respective pore windows have a pore size that is less than the hydrated diameter of the ion for which the ion selective separation membrane is selective.

Abstract: A clothing treatment agent dispensing assembly for use in a clothing treatment device, and a clothing treatment device, the clothing treatment device including a body, the clothing treatment agent dispensing assembly including a dispensing container and a storage container in sealed connection to one another, the vertical cross-section of the dispensing container being smaller than the vertical cross-section of the storage container, and the dispensing container and the storage container both being capable of sliding relative to the body, such that when the dispensing container is pulled out of the body, the storage container can follow the dispensing container to slide in the body. The present clothing treatment device is more flexible in the layout of the overall space, such that the layout and installation of components such as a control panel are more flexible, facilitating product design.

Abstract: A clothes treating agent dispensing assembly for a clothes treatment device and a clothes treatment device including a body; the clothes treating agent dispensing assembly including a dispensing container, a storage container and a docking mechanism. The dispensing container and the storage container are both in sliding connection with the body; the docking mechanism can engage the dispensing container and the storage container with each other and cause the dispensing container and the storage container to stably slide relative to the body as a whole. The docking mechanism can engage the dispensing container and the storage container with each other and avoid relative movement of the dispensing container and the storage container, so the relative stability of the dispensing container and the storage container is maintained when a drawer is moved, and the dispensing container and the storage container both can slide stably relative to the body.

Abstract: One or more implementations shown in the present specification provide an offline payment method. A communication connection between a collection device and a payment device is established, wherein both the collection device and the payment device are in an offline state. Payment data sent by the collection device is received by the payment device through the communication connection established to the collection device. Payment processing based on the payment data and account information of the payment device is performed by the payment device, to obtain a payment result. The payment result is returned, by the payment device to the collection device through the communication connection. Collection processing is performed, by the collection device, based on the payment result and obtained account information of the payment device, to obtain a collection result.

Abstract: One or more implementations shown in the present specification provide an offline payment method. A communication connection between a collection device and a payment device is established, wherein both the collection device and the payment device are in an offline state. Payment data sent by the collection device is received by the payment device through the communication connection established to the collection device. Payment processing based on the payment data and account information of the payment device is performed by the payment device, to obtain a payment result. The payment result is returned, by the payment device to the collection device through the communication connection. Collection processing is performed, by the collection device, based on the payment result and obtained account information of the payment device, to obtain a collection result.

Abstract: A clothes treating agent dispensing assembly for a clothes treatment device and a clothes treatment device including a body; the clothes treating agent dispensing assembly including a dispensing container, a storage container and a docking mechanism. The dispensing container and the storage container are both in sliding connection with the body; the docking mechanism can engage the dispensing container and the storage container with each other and cause the dispensing container and the storage container to stably slide relative to the body as a whole. The docking mechanism can engage the dispensing container and the storage container with each other and avoid relative movement of the dispensing container and the storage container, so the relative stability of the dispensing container and the storage container is maintained when a drawer is moved, and the dispensing container and the storage container both can slide stably relative to the body.

Abstract: A clothing treatment agent dispensing assembly for use in a clothing treatment device, and a clothing treatment device, the clothing treatment device including a body, the clothing treatment agent dispensing assembly including a dispensing container and a storage container in sealed connection to one another, the vertical cross-section of the dispensing container being smaller than the vertical cross-section of the storage container, and the dispensing container and the storage container both being capable of sliding relative to the body, such that when the dispensing container is pulled out of the body, the storage container can follow the dispensing container to slide in the body. The present clothing treatment device is more flexible in the layout of the overall space, such that the layout and installation of components such as a control panel are more flexible, facilitating product design.

Abstract: One or more implementations shown in the present specification provide an offline payment method. A communication connection between a collection device and a payment device is established, wherein both the collection device and the payment device are in an offline state. Payment data sent by the collection device is received by the payment device through the communication connection established to the collection device. Payment processing based on the payment data and account information of the payment device is performed by the payment device, to obtain a payment result. The payment result is returned, by the payment device to the collection device through the communication connection. Collection processing is performed, by the collection device, based on the payment result and obtained account information of the payment device, to obtain a collection result.

Abstract: One or more implementations shown in the present specification provide an offline payment method. A communication connection between a collection device and a payment device is established, wherein both the collection device and the payment device are in an offline state. Payment data sent by the collection device is received by the payment device through the communication connection established to the collection device. Payment processing based on the payment data and account information of the payment device is performed by the payment device, to obtain a payment result. The payment result is returned, by the payment device to the collection device through the communication connection. Collection processing is performed, by the collection device, based on the payment result and obtained account information of the payment device, to obtain a collection result.

Abstract: Disclosed herein is an ion selective separation membrane including: a metal organic framework layer formed on, in, and/or around a substrate, the metal organic framework having a crystal structure that includes a first surface and a second surface and includes ion transport channels formed between respective pore windows in the first surface and the second surface; first and second electrodes to apply a potential difference across the membrane; wherein the respective pore windows have a pore size that is less than the hydrated diameter of the ion for which the ion selective separation membrane is selective.

Abstract: Provided is a dispenser assembly. The dispenser assembly includes a handle; a waterproof box, where a gap is disposed between the waterproof box and a dispenser; and a first block rib that is disposed inside the waterproof box and at one end of the waterproof box adjacent to the handle of the dispenser, where the first block rib is configured to prevent liquid from overflowing from the gap.

Abstract: A door for a drum washing machine comprises an inner frame, a glass tub, a middle frame, a window screen and an outer frame which are arranged sequentially from the inner side of the door to the outer side of the door. The middle frame is in welded connection with the inner frame, the glass tub is clamped between the inner frame and the middle frame, the outer frame is in snapped connection with the middle frame and/or the inner frame, and the window screen is clamped between the outer frame and the middle frame. The window screen is free of snap jaw, so that the structure is simplified, and production of the window screen is accelerated.

Abstract: One or more implementations shown in the present specification provide an offline payment method. A communication connection between a collection device and a payment device is established, wherein both the collection device and the payment device are in an offline state. Payment data sent by the collection device is received by the payment device through the communication connection established to the collection device. Payment processing based on the payment data and account information of the payment device is performed by the payment device, to obtain a payment result. The payment result is returned, by the payment device to the collection device through the communication connection. Collection processing is performed, by the collection device, based on the payment result and obtained account information of the payment device, to obtain a collection result.

Abstract: An outer drum of a washing machine is provided, and relates to the technical field of washing machines. Two opposite side walls of the outer drum of the washing machine are formed as non-circular surfaces to avoid collision with side plates of a housing. A washing machine having the above outer drum is further provided.