Roller washing machine

Abstract

The utility model belongs to the technical field of washing machines, and particularly relates to a drum washing machine which mainly structurally comprises a shell, an outer drum arranged in the shell, an inner drum arranged in the outer drum, a motor and an air chamber arranged outside the outer drum, and a water inlet pipeline and a water outlet pipeline which are connected with the outer drum. The main body structure of the chamber comprises an air storage cavity, a communication port and an air chamber cover which are arranged at the bottom of the air storage cavity, an air tap arranged at the top and a separation rib arranged inside, the air chamber structure is arranged at the bottom of an outer cylinder of the washing machine, and the bottom of the outer cylinder is not the lowest point of a whole water path, so that residual water is not easy to store; the air chamber communication port and the outer cylinder drainage port are arranged on the same side, so that residual water flowing out of the drainage port flows to the opposite side instead of the current side in the transportation process, and the risk that water enters the air guide pipe is avoided; and residual water entering the air chamber during transportation can be intercepted for the second time.

Description

Technical fields:

[0001] This utility model belongs to the field of washing machine technology, specifically relating to a drum washing machine in which an air chamber structure is set at the bottom of the outer drum of the washing machine. Background technology:

[0002] In existing technology, the air chamber structure used to transmit and detect water pressure in drum washing machines is basically located on the drain hose at the bottom of the outer drum. Its working principle is as follows: the upper part of the air chamber is a closed space, which is connected to the drain hose only through the bottom connecting port. When the washing machine is filled with water, initially, a portion of the water will enter the air chamber through the connecting port. When the water level exceeds the connecting port, the air chamber forms a completely sealed space, and water cannot continue to enter the air chamber. After the washing machine is filled with water, there is a height difference and a pressure difference between the water level in the air chamber and the water level in the washing machine. The top of the air chamber is connected to a pressure sensor through an air guide pipe to detect the pressure difference and thus determine the water level of the washing machine. For example, Chinese Patent 202420152176.8 discloses a drum washing machine, comprising: a cabinet; an outer drum disposed within the cabinet, the outer drum having an outer drum cavity; a drum disposed within the outer drum cavity and rotatable relative to the outer drum; a water distribution box disposed within the cabinet and connected to the cabinet, the water distribution box having a water distribution box cavity, and a water distribution box first opening at the front end of the water distribution box communicating with the water distribution box cavity; a soap dish, the soap dish being removably inserted into the water distribution box cavity through the first opening of the water distribution box; a water distribution box first channel formed on the water distribution box, one end of the water distribution box first channel communicating with the outer drum cavity; a water distribution box drain outlet formed on the water distribution box; and an air guide box disposed within the water distribution box cavity and located behind the soap dish, the air guide box being connected to the water distribution box cavity. The water box is connected to form an air guide channel between the air guide box and the water distribution box; one end of the air guide channel is connected to the other end of the first channel of the water distribution box, and the other end of the air guide channel is connected to the drain outlet of the water distribution box. The air guide channel includes several first air guide channels, which are arranged sequentially along the width direction of the water distribution box. Two adjacent first air guide channels are connected. A second opening of the water distribution box is formed at the top of the water distribution box. The water distribution box includes a rear plate of the water distribution box located at the rear end of the water distribution box. The air guide box is inserted into the water distribution box cavity from the side away from the second opening of the water distribution box cavity. The air guide box and the rear plate of the water distribution box form an air guide channel between the rear plate of the water distribution box and the air guide box. The first channel of the water distribution box is formed on the rear plate of the water distribution box. Chinese Patent 202420090719.8 discloses a drum washing machine, comprising: a cabinet with an installation hole on the front side wall; a drum rotatably disposed in the cabinet, the drum having a washing chamber for washing clothes; a detergent dispensing assembly removably disposed in the installation hole, the detergent dispensing assembly having a spray head for spraying detergent onto the clothes to be washed located in a sensing area, the sensing area being located outside the installation hole; a detection element disposed on the cabinet and configured to generate a first signal when the clothes to be washed are detected to be located in the sensing area; and a controller disposed on the cabinet and communicatively connected to the detergent dispensing assembly and the detection element, wherein when the controller receives the first signal, the controller controls the spray head to spray detergent onto the clothes to be washed, the detergent dispensing assembly including a storage section and a spray section, the storage section having a cavity for storing detergent, and the spray section connected to the cavity and the spray head for extracting detergent located in the cavity and spraying it onto the clothes to be washed through the spray head.Chinese Patent 202323483191.5 discloses a drum washing machine, including a drum assembly, which includes an outer drum and an inner drum inside it. A door seal is provided on the opening of the outer drum. The drum washing machine also includes a spray assembly disposed on the top area of ​​the door seal, including a spray head. The spray head has a first spray nozzle. With the orientation of the drum washing machine in use as a reference, the first spray nozzle extends vertically so that the water curtain sprayed from the first spray nozzle extends in a vertical plane. The first spray nozzle has a first spray portion that sprays towards the washing space side of the inner drum. The vertical extension length of the first spray portion is greater than the horizontal width of the first spray portion, and the horizontal width of the first spray portion decreases from bottom to top. The drum washing machine also includes a sealed door and window, which is configured to cooperate with the door seal. The first spray nozzle also has a second spray portion that sprays towards the top surface of the sealed door and window. The vertical extension length of the second spray portion is greater than its horizontal width, and the vertical extension length of the second spray portion is less than the vertical extension length of the first spray portion. The maximum horizontal width of the second spray portion is less than the maximum horizontal width of the first spray portion. However, the above structure has the following problems: 1. The washing machine requires a separate air chamber component, increasing the overall cost; 2. The air chamber is located on the drain pipe. Because washing machines undergo water testing before leaving the factory, and the drain pipe is the lowest point of the entire water circuit, residual water tends to accumulate there. During transportation, this residual water can easily enter the air duct through the air chamber, causing pressure detection to fail. Therefore, a drum washing machine is designed and developed with the air chamber located at the bottom of the outer drum. Since the bottom of the outer drum is not the lowest point of the entire water circuit, residual water is less likely to accumulate there, thus solving the above problems. Summary of the Invention:

[0003] The purpose of this invention is to overcome the shortcomings of the existing technology, develop and design a drum washing machine, optimize the setting position of the air chamber, and reduce costs and transportation risks.

[0004] To achieve the above objectives, the main structure of the drum washing machine of this utility model includes a shell and an outer drum disposed inside it, an inner drum disposed inside the outer drum, a motor and an air chamber disposed outside it, and a water inlet pipe and a drain pipe connected to the outer drum.

[0005] The main structure of the air chamber includes an air storage chamber, a connecting port and an air chamber cover at its bottom, an air nozzle at its top, and internal partition ribs. The connecting port is connected to the outer cylinder. The air chamber cover is bolted or snap-fitted to the outer cylinder. The air nozzle extends outward and is connected to the air guide pipe, the other end of which is connected to the water level sensor. The partition ribs surround the air nozzle, dividing the air storage chamber into two parts.

[0006] Compared with the prior art, this utility model has an air chamber structure at the bottom of the outer drum of the washing machine. Since the bottom of the outer drum is not the lowest point of the entire water channel, it is less likely to accumulate residual water. At the same time, the air chamber connection port and the outer drum drain port are located on the same side, so that residual water flowing out of the drain port during transportation flows to the other side instead of flowing to this side, avoiding the risk of water entering the air guide pipe. In addition, the partition ribs set around the air nozzle in the air chamber can not only prevent foreign objects from entering the air chamber and blocking the air nozzle, but also intercept residual water entering the air chamber during transportation. Its structure is simple, and by adjusting and optimizing the position of the air chamber, the cost of the washing machine is reduced, and the risk of water entering the air guide pipe during transportation is avoided. Attached image description:

[0007] Figure 1 This is a schematic diagram of the main structure of this utility model.

[0008] Figure 2 This is a schematic diagram of a partial structure of the present invention.

[0009] Figure 3 This is a schematic diagram illustrating the structural principle of the outer cylinder involved in this utility model.

[0010] Figure 4 This is a schematic diagram illustrating the structural principle of the air chamber involved in this utility model. Detailed implementation method:

[0011] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0012] Example 1:

[0013] The main structure of a drum washing machine involved in this embodiment is as follows: Figure 1-2 As shown, it includes a housing 1, an outer cylinder 2, an inner cylinder 3, a motor 4, an air chamber 5, a water inlet pipe 6, a drain pipe 7, a drain outlet 8, an air guide pipe 9, and a water level sensor 10.

[0014] The shell 1 has an outer cylinder 2 inside, an inner cylinder 3 inside the outer cylinder 2, a motor 4 and an air chamber 5 outside, a water inlet pipe 6 at the top and a drain pipe 7 at the bottom, both of which extend to the shell 1.

[0015] The air chamber 5 is integrally formed with the outer cylinder 3, and is on the same side as the drain outlet 8 at its bottom. Its main structure is as follows: Figure 3-4 As shown, it includes an air storage chamber 50, a connecting port 51, an air chamber cover 52, an air nozzle 53, and a partition rib 54;

[0016] The bottom of the gas storage chamber 50 is provided with a communication port 51 that communicates with the outer cylinder 2, and is provided with a gas chamber cover 52. The top is provided with an outwardly extending gas nozzle 53, and the interior is provided with a partition rib 54.

[0017] The air chamber cover 52 is connected to the outer cylinder 2 by bolts or snaps.

[0018] The air nozzle 53 is connected to the air guide pipe 9 provided on the outer cylinder 2, and the other end of the air guide pipe 9 is connected to the water level sensor 10 provided inside the housing 1.

[0019] The dividing rib 54 is arranged around the air nozzle 53, dividing the air storage chamber 50 into two parts.

Claims

1. A drum washing machine, the main structure comprising a shell and an outer drum disposed within it, an inner drum disposed inside the outer drum, a motor disposed outside the outer drum, and a water inlet pipe and a drain pipe connected to the outer drum, characterized in that, An air chamber is integrally formed at the bottom of the outer cylinder.

2. A drum washing machine according to claim 1, characterized in that, The main structure of the air chamber includes an air storage chamber, a connecting port at its bottom, an air chamber cover, and an air nozzle at its top. The air storage chamber is connected to the outer cylinder through the connecting port, the air nozzle is connected to the air guide pipe, and the other end of the air guide pipe is connected to the water level sensor.

3. A drum washing machine according to claim 2, characterized in that, The drain outlets at the bottom of the air chamber and the outer cylinder are on the same side.

4. A drum washing machine according to claim 3, characterized in that, The gas storage chamber is equipped with a partition rib, which surrounds the gas nozzle and divides the gas storage chamber into two parts.

5. A drum washing machine according to any one of claims 1-4, characterized in that, The air chamber cover is fixedly connected to the outer cylinder by bolts or snaps.

Images