Handheld electric cleaning machine
By setting a sewage suction pipe and a one-way valve on the side of the sewage tank of the handheld electric cleaning machine, the problems of poor sewage suction and backflow are solved, the rapid suction of sewage and prevention of backflow are achieved, and the normal operation of the cleaning machine is ensured.
Patent Information
- Application Number
- CN202422968412.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-03
AI Technical Summary
The sewage of existing handheld electric cleaning machines is not sucked in smoothly and is prone to backflow, which affects the use effect.
A sewage suction pipe is designed to be set on the side of the sewage tank. The lower end of the sewage suction pipe extends obliquely downward. The sewage suction port is directly connected to the sewage tank, and a one-way valve is provided at the sewage outlet to ensure that the sewage is quickly sucked in and prevent backflow.
It realizes the rapid and efficient suction of sewage and prevents backflow, ensuring the normal use of the handheld electric cleaning machine.
Smart Images

Figure CN223464003U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of cleaning machines for cleaning dirt on the surface of article, namely a kind of hand-held electric cleaning machine. BACKGROUND
[0002] Currently, dirt adhered on the surface of cloth sofa and other articles can be removed by hand-held electric cleaning machine, and the specific working process is as follows: first, wet the dirt with clean water and brush the dirt on the surface of article to form sewage by cleaning brush, then start the hand-held electric cleaning machine and aim the suction port at the sewage, and the sewage can be sucked into the sewage tank of the hand-held electric cleaning machine for temporary storage. The suction port of the traditional hand-held electric cleaning machine is obliquely arranged at the front of the machine body, and the sewage tank is connected to the sewage cavity through the bent suction channel in the machine body. It is found in actual use that, due to the long distance from the suction port to the sewage tank, the sewage cannot be quickly and effectively sucked into the sewage tank, and when the hand-held electric cleaning machine is in the closed state, if the user holds the hand-held electric cleaning machine vertically, part of the sewage in the sewage tank may flow back and drip from the suction port, which greatly affects the normal use. SUMMARY
[0003] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a hand-held electric cleaning machine which can quickly and efficiently suck sewage into the sewage tank and prevent the sewage in the sewage tank from flowing back and dripping from the suction port.
[0004] The technical problem of the utility model is solved by the following technical scheme:
[0005] A hand-held electric cleaning machine comprises a machine body and a sewage tank installed on the machine body. A vacuum motor is arranged in the machine body, which is in sealed communication with the sewage tank through an air suction channel and provides a vacuum negative pressure. A sewage suction pipe is arranged on the side of the sewage tank, the lower end of the sewage suction pipe extends obliquely downward and is provided with a suction port, and the upper end of the sewage suction pipe is provided with a sewage discharge port in communication with the sewage tank, and a one-way valve is arranged at the sewage discharge port.
[0006] The one-way valve is a sewage discharge flat pipe which extends into the sewage tank and has a duckbill shape, and a sewage discharge cavity with a V-shaped cross section is arranged in the sewage discharge flat pipe.
[0007] The V-shaped large opening of the sewage discharge cavity is in communication with the sewage discharge port, and the V-shaped small opening is suspended in the sewage tank.
[0008] The side of the sewage tank is provided with a mounting hole, the upper end of the sewage suction pipe is connected to the outer side of a cover, the inner side of the cover is provided with the sewage discharge port and the one-way valve, the cover is installed on the side of the sewage tank, and the one-way valve extends into the sewage tank through the mounting hole.
[0009] The bottom surface of the sewage tank is provided with a cleaning brush.
[0010] The sewage tank bottom is provided with a mounting groove, and the cleaning brush is detachably arranged in the mounting groove through a brush plate.
[0011] The sewage tank is detachably arranged at the bottom of the machine body, and the sewage tank is provided with a dismounting button.
[0012] The sewage tank is provided with a plurality of partition cavities arranged in sequence along the horizontal direction and communicated with each other, the one-way valve extends into the frontmost partition cavity of the sewage tank through a mounting hole, and the vacuum motor is communicated with the last partition cavity of the sewage tank through a suction passage.
[0013] The machine body is provided with a battery pack for supplying power to the vacuum motor, and the machine body is provided with a switch for controlling the opening and closing of the vacuum motor.
[0014] Compared with the prior art, the sewage tank is provided with a sewage suction pipe on the side, the lower end of the sewage suction pipe extends obliquely downward and is provided with a sewage suction opening, the upper end of the sewage suction pipe is provided with a sewage discharge opening communicated with the sewage tank, and a one-way valve is arranged at the sewage discharge opening. In this way, since the sewage suction opening is directly communicated with the sewage tank, the sewage on the surface of the object can be directly sucked into the sewage tank for storage by starting the handheld electric cleaning machine and aiming the sewage suction opening at the surface of the object, that is, the sewage can be quickly, efficiently and smoothly sucked into the sewage tank. At the same time, the design of the one-way valve does not affect the suction of the sewage into the sewage tank, and can also prevent the sewage in the sewage tank from entering the sewage discharge opening when the handheld electric cleaning machine is in the closed state, so that even if the user holds the handheld electric cleaning machine vertically, the part of the sewage in the sewage tank will not flow back and drop from the sewage suction opening, thereby ensuring the normal use of the handheld electric cleaning machine. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a sectional view of the utility model.
[0016] Figure 2 It is a left view of the utility model. Figure 1
[0017] Figure 3 It is a perspective view of the utility model. Figure 1
[0018] Figure 4 It is a bottom view of the utility model. Figure 3
[0019] Figure 5 It is a sectional view of the design of the sewage suction pipe and the one-way valve on the cover.
[0020] Figure 6 It is a perspective view of the utility model. Figure 5 DETAILED DESCRIPTION
[0021] The utility model embodiment will be described in detail below with reference to the above drawings.
[0022] As Figures 1-6 shown, 1. body, 11. suction passage, 12. exhaust hole, 2. sewage tank, 21. partition cavity, 22. mounting groove, 23. dismounting button, 3. sewage suction pipe, 31. sewage suction port, 32. sewage discharge port, 33. sewage suction passage, 4. one-way valve, 41. sewage discharge flat pipe, 42. sewage discharge cavity, 5. vacuum motor, 6. battery pack, 7. switch, 8. cleaning brush, 81. brush plate, 9. buckle cover.
[0023] The handheld electric cleaning machine, as Figures 1-4 shown, mainly relates to a small cleaning electric appliance for cleaning and removing dirt adhered on the surface of articles such as cloth sofas, and the structure comprises a body 1 and a sewage tank 2 which is detachably and buckledly mounted on the bottom of the body, that is, the whole cleaning machine adopts a top-and-bottom separation structure design, which not only ensures that the body 1 has enough installation space, but also enables the sewage tank 2 to be designed with a larger storage volume, and the sewage tank 2 is further provided with a press-type dismounting button 23 to facilitate the dismounting of the sewage tank 2 from the bottom of the body 1.
[0024] The body 1 is provided with a battery pack 6 and a vacuum motor 5, the battery pack can be a chargeable battery pack to supply power to the vacuum motor, and the left side of the body 1, that is, the left side of the body as Figure 1 shown, is provided with a switch 7 for controlling the opening and closing of the vacuum motor 5.
[0025] The body 1 is provided with a plurality of exhaust holes 12 on the two side surfaces respectively for exhaust when the vacuum motor 5 is working, and the vacuum motor 5 is in sealed communication with the sewage tank 2 through a U-shaped bending designed suction passage 11 in the body 1 and provides a vacuum negative pressure for the sewage tank.
[0026] The bottom surface of the sewage tank 2 is provided with a cleaning brush 8, specifically, a mounting groove 22 is arranged on the bottom surface of the sewage tank 2, and the cleaning brush 8 is detachably and buckledly fitted in the mounting groove 22 through a brush plate 81, and the purpose of this structure design is to facilitate the installation and cleaning of the cleaning brush 8 and to quickly dismount the cleaning brush 8 for separate cleaning.
[0027] The side surface of the sewage tank 2 is provided with a sewage suction pipe 3, which is usually arranged on the front side surface of the sewage tank 2, that is, the left side surface of the sewage tank as Figure 1 shown, and the sewage suction pipe 3 is a flat pipe, the lower end of the sewage suction pipe 3 extends obliquely downward and is provided with a sewage suction port 31, and the position of the sewage suction port is preferably lower than the bottom surface of the sewage tank 2, so that the sewage suction port 31 can better adhere to the dirt on the surface of the article for better suction, and the upper end of the sewage suction pipe 3 is provided with a sewage discharge port 32 which is in communication with the sewage tank 2, and a one-way valve 4 is arranged at the sewage discharge port.
[0028] The sewage suction pipe 3 is provided with a V-shaped sewage suction channel 33 with a large sewage suction port 31 and a small sewage discharge port 32, which enables the sewage suction pipe 3 to form a sewage suction capacity with the largest area and the largest suction force.
[0029] The one-way valve 4 can be made of various structures with one-way passage. Figure 1 As shown, the one-way valve is designed as a flat sewage discharge pipe 41 in a duckbill shape extending into the sewage tank 2. In actual use, a check structure similar to that in a pipeline valve can also be used as a one-way valve, or directly using a one-way diaphragm to block the sewage outlet 32 can also play the role of a one-way valve.
[0030] At the same time, the sewage suction pipe 3 and the one-way valve 4 can be designed as a whole on the front side of the sewage tank 2, or a split design can be adopted to facilitate the separate manufacture of the sewage suction pipe 3 and the one-way valve 4, such as Figure 5 、 Figure 6 As shown, a flat mounting hole must be provided on the side of the sewage tank 2, and the upper end of the sewage suction pipe 3 is connected to the outer surface of a buckle cover 9. The connection usually adopts an integrally formed structure, and a sewage outlet 32 and a one-way valve 4 are provided on the inner side of the buckle cover 9. In this way, it is only necessary to install the buckle cover 9 on the side of the sewage tank 2 and make the one-way valve 4, that is, the sewage flat pipe 41, pass through the mounting hole and extend into the sewage tank 2.
[0031] In addition, a sewage discharge chamber 42 with a V-shaped cross-section is provided in the sewage discharge flat pipe 41, and the V-shaped large mouth of the sewage discharge chamber is connected to the sewage discharge port 32, and the V-shaped small mouth is suspended in the sewage tank 2. This can not only allow the sucked sewage to enter the sewage tank 2 quickly and smoothly, but also prevent the sewage in the sewage tank from flowing back into the sewage discharge chamber 42.
[0032] The sewage tank 2 is provided with a plurality of partition chambers 21 arranged in sequence along the horizontal direction and interconnected. The sewage tank 2 can be made of a transparent material so that the user can observe the sewage storage status inside in real time.
[0033] The one-way valve 4 extends through the mounting hole into the partition chamber 21 at the front end of the sewage tank, and the vacuum motor 5 is sealed and connected to the partition chamber 21 at the rear end of the sewage tank through the suction channel 11. Therefore, the design of the partition chamber prevents sewage from being accidentally sucked into the vacuum motor 5 and allows sewage to be stably stored in the sewage tank 2.
[0034] Obviously, the utility model discloses since the sewage suction port 31 is directly communicated with the sewage tank 2, so starting handheld electric cleaning machine can directly suck the sewage in the sewage tank 2 and store, that is, let the sewage be quickly and efficiently smoothly sucked into the sewage tank 2, and moreover, the design of check valve 4 can not affect the sewage suction into the sewage tank, and can prevent the sewage in the sewage tank from entering the sewage outlet 32 when the handheld electric cleaning machine is in the closed state, so even if the user vertically holds the handheld electric cleaning machine, also can not cause the part of sewage in the sewage tank 2 from the sewage suction port 31 to flow back and drop, thereby guaranteeing the normal use of the handheld electric cleaning machine.
[0035] The above-described embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model. In addition, it should also be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the appended claims of the present application.
Claims
1. A handheld electric cleaning machine, comprising a machine body (1) and a sewage tank (2) mounted on the machine body, wherein a vacuum motor (5) is provided in the machine body (1), the vacuum motor is sealed and connected to the sewage tank (2) via an air suction channel (11) and provides vacuum negative pressure, characterized in that The sewage tank (2) is provided with a sewage suction pipe (3) on the side thereof, the lower end of the sewage suction pipe extends obliquely downward and is provided with a sewage suction opening (31), the upper end of the sewage suction pipe is provided with a sewage discharge opening (32) which is in communication with the sewage tank (2), and a one-way valve (4) is arranged at the sewage discharge opening.
2. The hand-held electric washer of claim 1, characterized in that The one-way valve (4) is a sewage discharge flat pipe (41) which extends into the sewage tank (2) and has a duckbill shape, and the sewage discharge flat pipe is provided with a sewage discharge cavity (42) which has a V-shaped cross section.
3. The hand-held electric washer-dryer according to claim 2, characterized in that The V-shaped large opening of the sewage discharge cavity (42) is in communication with the sewage discharge opening (32), and the V-shaped small opening is suspended in the sewage tank (2).
4. The hand-held electric washer of claim 1, wherein The sewage tank (2) is provided with a mounting hole on the side thereof, the upper end of the sewage suction pipe (3) is connected to the outer side of a cover (9), the inner side of the cover is provided with the sewage discharge opening (32) and the one-way valve (4), the cover (9) is mounted on the side of the sewage tank (2) and the one-way valve (4) extends into the sewage tank (2) through the mounting hole.
5. The hand-held electric washer of claim 1, wherein The bottom of the sewage tank (2) is provided with a cleaning brush (8).
6. The hand-held electric washer of claim 5, characterized in that The bottom of the sewage tank (2) is provided with a mounting groove (22), and the cleaning brush (8) is detachably arranged in the mounting groove (22) through a brush plate (81).
7. The handheld electric cleaning machine according to claim 1, characterized in that The sewage tank (2) is detachably mounted on the bottom of the machine body (1), and the sewage tank is provided with a dismounting button (23).
8. The hand held electric washer of claim 1, wherein The sewage tank (2) is provided with a plurality of partition cavities (21) which are arranged in sequence in the horizontal direction and are in communication with each other, the one-way valve (4) extends into the frontmost partition cavity (21) of the sewage tank through the mounting hole, and the vacuum motor (5) is in communication with the rearmost partition cavity (21) of the sewage tank through an air suction channel (11).
9. The hand held electric washer of claim 1, wherein The machine body (1) is provided with a battery pack (6) which supplies power to the vacuum motor (5), and the machine body (1) is provided with a switch (7) which controls the start and stop of the vacuum motor (5).