Dust collector rear air outlet device and dust collector

Abstract

The utility model provides a dust collector rear air outlet device and a dust collector. A dust collector motor is at least partially contained in the dust collector rear air outlet device. The motor air inlet hole is located at one end, the inner side wall is arranged around the motor air inlet hole, the outer side wall is located on the outer side of the inner side wall, the interval cavity is located between the inner side wall and the outer side wall, and the first motor air outlet hole is communicated with the interval cavity and is adjacent to the motor air inlet hole. The air outlet design is reasonable, the heat dissipation efficiency is improved, and the temperature of the motor is reduced; meanwhile, the heat dissipation path is simple, and the heat dissipation effect and the use experience are improved.

Description

Technical Field

[0001] This utility model relates to the field of household cleaning equipment, specifically to a rear air outlet device for a vacuum cleaner and a vacuum cleaner. Background Technology

[0002] Vacuum cleaners typically consist of a housing, a dust cup that is detachably mounted on the housing, and a motor that generates a vacuum. Existing rear-exhaust designs have drawbacks: 1) Inefficient exhaust design leads to reduced heat dissipation and increased motor temperature; 2) Complex and relatively long heat dissipation paths result in greater airflow resistance, potentially affecting heat dissipation; 3) Poor user experience, as the exhaust direction conflicts with the user's operating direction, impacting usability.

[0003] Therefore, it is necessary to provide a new technical solution to overcome the above-mentioned defects. Utility Model Content

[0004] The purpose of this utility model is to provide a vacuum cleaner rear air outlet device that can effectively solve the above-mentioned technical problems. The air outlet design is reasonable, which improves heat dissipation efficiency and reduces motor temperature. At the same time, the heat dissipation path is simple, which improves the heat dissipation effect and user experience.

[0005] To achieve the purpose of this utility model, the following first technical solution is adopted: a vacuum cleaner rear air outlet device, which at least partially houses the vacuum cleaner motor, characterized in that it includes a motor air inlet at one end, an inner sidewall surrounding the motor air inlet, an outer sidewall located outside the inner sidewall, a partition cavity located between the inner sidewall and the outer sidewall, and a first motor air outlet connected to the partition cavity and adjacent to the motor air inlet.

[0006] Based on the above technical solution, the following supplementary technical solutions are further included:

[0007] It also includes a motor cover, wherein the motor cover includes a motor housing cavity for housing the vacuum cleaner motor and an air outlet that is connected to the motor housing cavity and adjacent to the motor air inlet.

[0008] It also includes an outer cavity located on the outer side of the outer wall and connected to the air outlet, and a second motor air outlet connected to the outer cavity.

[0009] The inner sidewall is a pair of arc-shaped segments that can form a circle and are circumferentially discontinuous, and the outer sidewall is a pair of arc-shaped segments that can form a circle and are circumferentially discontinuous, wherein the first motor air outlet is located at the discontinuity of the outer sidewall.

[0010] The second technical solution of this utility model is a vacuum cleaner, which includes a body, a dust cup detachably mounted on the body, a vacuum cleaner motor located downstream of the dust cup and generating a vacuum source, and a vacuum cleaner rear exhaust device for housing the vacuum cleaner motor, wherein the vacuum cleaner rear exhaust device is the vacuum cleaner rear exhaust device described in the first technical solution.

[0011] The body includes a suction tube, a grip body at one end for supporting the vacuum cleaner motor, and a battery body at the other end of the grip body.

[0012] It also includes a battery pack that is connected to the battery body and supplies power to the vacuum cleaner motor.

[0013] The rear air outlet device of the vacuum cleaner also includes a motor cover, wherein the motor cover includes a motor cover cavity for housing the vacuum cleaner motor and an air outlet that is connected to the motor cover cavity and adjacent to the motor air inlet.

[0014] The vacuum cleaner's rear air outlet device also includes an outer cavity located on the outer side of the outer wall and connected to the air outlet, and a second motor air outlet connected to the outer cavity.

[0015] The inner sidewall is a pair of arc-shaped segments that can form a circle and are circumferentially discontinuous, and the outer sidewall is a pair of arc-shaped segments that can form a circle and are circumferentially discontinuous, wherein the first motor air outlet is located at the discontinuity of the outer sidewall.

[0016] Compared with the prior art, the present invention has the following advantages: the air outlet design is reasonable, which improves heat dissipation efficiency and reduces motor temperature; at the same time, the heat dissipation path is simple and relatively short, and the air flow resistance is small, which improves the heat dissipation effect; the air outlet direction avoids conflict with the user's operation direction, which improves the user experience. Attached Figure Description

[0017] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0018] Figure 1 This is a partial perspective view of the first embodiment of the present invention.

[0019] Figure 2 This is a perspective view of the first embodiment of the present invention.

[0020] Figure 3 This is a cross-sectional view of the first embodiment of the present invention.

[0021] Figure 4 This is a perspective view of the second embodiment of the present invention.

[0022] Figure 5This is a cross-sectional view of the second embodiment of the present invention.

[0023] Figure 6 This is an exploded view of the second embodiment of the present invention. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0025] In the description of this utility model, it should be understood that the terms "center," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this utility model. When a component is referred to as being "fixed to" another component, it can be directly on the other component or there may be an intermediate component. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be an intermediate component at the same time. When a component is considered to be "set on" another component, it can be directly set on the other component or there may be an intermediate component at the same time. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only.

[0026] Example: Figure 1-6 As shown, this utility model discloses a first embodiment of a vacuum cleaner rear air outlet device 600, which includes: at least partially housing the vacuum cleaner motor, including a motor cover 400, a motor air inlet 604 at one end, an inner sidewall 620 surrounding the motor air inlet 604, an outer sidewall 640 outside the inner sidewall 620, a partition cavity 630 between the inner sidewall 620 and the outer sidewall 640, and a first motor air outlet 660 connected to the partition cavity 630 and adjacent to the motor air inlet 604.

[0027] The motor cover 400 includes a motor cover cavity 404 for housing the vacuum cleaner motor and an air outlet 408 that is connected to the motor cover cavity 404 and adjacent to the motor air inlet 604.

[0028] This embodiment also includes an outer cavity 650 located outside the outer wall 640 and communicating with the air outlet 408, and a second motor air outlet 664 communicating with the outer cavity 650. The inner wall 620 is a pair of arc-shaped segments that can be formed into a circle and are circumferentially discontinuous, and the outer wall 640 is a pair of arc-shaped segments that can be formed into a circle and are circumferentially discontinuous, wherein the first motor air outlet 660 is located at the discontinuity of the outer wall 640.

[0029] This utility model discloses a second embodiment of a vacuum cleaner, which includes: a body 100, a dust cup 200 detachably mounted on the body 100, a vacuum cleaner motor 300 located downstream of the dust cup 200 and generating a vacuum source, a vacuum cleaner rear exhaust device 600 for housing the vacuum cleaner motor 300, and a cover plate 700 for at least partially covering the vacuum cleaner rear exhaust device 600, wherein the vacuum cleaner rear exhaust device is the same as the vacuum cleaner rear exhaust device in the first embodiment.

[0030] The body 100 includes a suction pipe 120, a grip body 140 with one end supporting the vacuum cleaner motor 300, and a battery body 160 connected to the other end of the grip body 140. The grip body 140 supports the rear air outlet device 600 and the cover plate 700 of the vacuum cleaner.

[0031] The dust cup 200 is a hollow cylindrical shape, comprising a cup body 220 made of plastic and having a cup cavity 224, a cup lid 240 for opening or covering one end of the cup cavity 224, and a cyclone cone 260 located within the cup cavity 224. The cup cavity 224 is a cyclone cavity to generate cyclones. The surface of the cyclone cone 260 has multiple mesh holes to filter dust-laden airflow.

[0032] This embodiment also includes a battery pack 500 connected to the battery housing 160 and supplying power to the vacuum cleaner motor 300. The central axis of the vacuum cleaner motor 300 is parallel to the air intake direction of the suction pipe 120 and parallel to the central direction of the cup cavity 224. A sealing ring 340 is provided at the head of the vacuum cleaner motor 300. The tail of the vacuum cleaner motor 300 is spaced apart from the head.

[0033] The vacuum cleaner's rear exhaust device also includes a motor cover 400, wherein the motor cover 400 includes a motor cover cavity 404 for housing the vacuum cleaner motor, and an air outlet 408 that is connected to the motor cover cavity 404 and adjacent to the motor air inlet 604.

[0034] This embodiment also includes an outer cavity 650 located outside the outer wall 640 and communicating with the air outlet 408, and a second motor air outlet 664 communicating with the outer cavity 650. The inner wall 620 is a pair of arc-shaped segments that can be formed into a circle and are circumferentially discontinuous, and the outer wall 640 is a pair of arc-shaped segments that can be formed into a circle and are circumferentially discontinuous, wherein the first motor air outlet 660 is located at the discontinuity of the outer wall 640. The sealing ring 340 is surrounded by the inner wall 620.

[0035] The cover plate 700 is hollow inside and serves to house the motor cover 400. The cover plate 700 is fixedly connected to the grip body 140. The central axis of the cover plate 700 is aligned with the central axis of the vacuum cleaner motor 300.

[0036] Working principle: Dust-laden airflow enters the cup cavity 224 through the suction pipe 120 and undergoes cyclone separation. Large debris is separated and left in the cup cavity 224, while fine dust airflow passes through the mesh of the cyclone cone 260 and enters the motor pre-filter 320 for further filtration. Then, it enters the motor air inlet 604 in the rear air outlet device of the vacuum cleaner, thus entering the vacuum cleaner motor 300. Because the airflow is blocked by the inner wall 620 and the sealing ring 340, the airflow passes through the partition cavity 630 and enters the first motor air outlet 660 and the outer cavity 650. The outer cavity 650 is connected to the second motor air outlet 664, thus the airflow flows out from both the first and second motor air outlets 660 and 664. Since both the first and second motor air outlets 660 and 664 are close to the motor air inlet 604 or the head of the vacuum cleaner motor 300, and far from the tail of the vacuum cleaner motor 300, they are kept away from the user, reducing the airflow blowing onto the user's body and improving the user experience.

[0037] The air outlet of this utility model has a reasonable design, which improves heat dissipation efficiency. The heat dissipation path is simple and short, with low air flow resistance, thus improving the heat dissipation effect and user experience.

[0038] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0039] It should be understood that those skilled in the art can make improvements or modifications based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims.

Claims

1. A dust extractor rear air outlet device, at least partially housing a dust extractor motor, characterized in that It includes a motor air inlet hole (604) at one end, an inner side wall (620) arranged around the motor air inlet hole (604), an outer side wall (640) located outside the inner side wall (620), a spacing cavity (630) located between the inner side wall (620) and the outer side wall (640), and a first motor air outlet hole (660) in communication with the spacing cavity (630) and arranged adjacent to the motor air inlet hole (604).

2. The dust cleaner rear air outlet device according to claim 1, wherein It also includes a motor cover (400), wherein the motor cover (400) includes a motor cover cavity (404) accommodating the dust collector motor, and an air outlet (408) in communication with the motor cover cavity (404) and arranged adjacent to the motor air inlet hole (604).

3. The dust cleaner rear air outlet device according to claim 2, wherein It also includes an outer cavity (650) located outside the outer side wall (640) and in communication with the air outlet (408), and a second motor air outlet hole (664) in communication with the outer cavity (650).

4. The dust cleaner rear air outlet device according to claim 1, wherein: The inner side wall (620) is a pair of arc segments that can form a circle and are discontinuous in the circumferential direction, and the outer side wall (640) is a pair of arc segments that can form a circle and are discontinuous in the circumferential direction, wherein the first motor air outlet hole (660) is located at the discontinuous part of the outer side wall (640).

5. A vacuum cleaner characterised in that It includes a machine body (100), a dust cup (200) detachably mounted to the machine body (100), a dust collector motor (300) located downstream of the dust cup (200) and generating a vacuum source, and a dust collector rear air outlet device (600) accommodating the dust collector motor (300), wherein the dust collector rear air outlet device (600) is the dust collector rear air outlet device described in claim 1.

6. The dust cup according to claim 5, wherein: The machine body (100) includes a suction pipe (120), a holding machine body (140) at one end for supporting the dust collector motor (300), and a battery machine body (160) at the other end of the holding machine body (140).

7. The dust cup according to claim 6, wherein It also includes a battery pack (500) connected to the battery machine body (160) and supplying power to the dust collector motor (300).

8. The dust cup according to claim 5, wherein: The dust collector rear air outlet device (600) further includes a motor cover (400), wherein the motor cover (400) includes a motor cover cavity (404) accommodating the dust collector motor, and an air outlet (408) in communication with the motor cover cavity (404) and arranged adjacent to the motor air inlet hole (604).

9. The dust cup according to claim 8, wherein: The dust collector rear air outlet device (600) further includes an outer cavity (650) located outside the outer side wall (640) and in communication with the air outlet (408), and a second motor air outlet hole (664) in communication with the outer cavity (650).

10. The dust cup according to claim 9, wherein: The inner side wall (620) is a pair of arc segments that can form a circle and are discontinuous in the circumferential direction, and the outer side wall (640) is a pair of arc segments that can form a circle and are discontinuous in the circumferential direction, wherein the first motor air outlet hole (660) is located at the discontinuous part of the outer side wall (640).

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