Portable wet and dry vacuum cleaner

Abstract

The present invention discloses a portable wet / dry vacuum cleaner, comprising a main unit and a sewage tank assembly connected to one side of the main unit, a suction nozzle connected to one end of the main unit, the sewage tank assembly comprising an air suction pipe joint arranged inside an external cover shell and with an air suction port facing upward, and a water inlet pipe arranged on one side of the air suction pipe joint, one end of the water inlet pipe being connected to the suction nozzle, and the other end being bent rightward and downward in sequence and passing into a water storage tank, and an air outlet cover plate connected to the air suction port of the air suction pipe joint being provided on the external cover shell. The present invention solves the problems in the prior art that sewage inside the wet / dry vacuum cleaner is easy to flow out in large quantities from the suction nozzle or air outlet, affecting environmental hygiene, and the internal structure occupies a large space, making it inconvenient to use.

Description

Technical Field

[0001] The invention relates to the field of portable vacuum cleaners, and in particular to a portable wet and dry vacuum cleaner. Background Art

[0002] The difference between the working principle of a wet and dry vacuum cleaner and an ordinary vacuum cleaner is that there is an additional centrifugal chamber. When dust, air, and water are sucked into the centrifugal chamber, the heavier water is rotated at high speed, thrown to the inner wall of the centrifugal chamber, and then flows into the water collection bucket below. The lighter dust and air pass through the centrifugal chamber and enter the filter bag to filter the dust. The dust and sewage tanks of portable wet and dry vacuum cleaners on the market are small in size, and sewage is easy to flow out of the suction nozzle or air outlet in large quantities, affecting environmental hygiene. In addition, the internal structure design of the whole machine takes up a lot of space, making the whole machine larger and inconvenient to use. Therefore, there is an urgent need for a wet and dry dust removal device with a sophisticated internal structure that will not cause sewage to flow out of the suction nozzle and air outlet in large quantities. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems in the related art to a certain extent. To this end, the main purpose of the present invention is to provide a portable wet / dry vacuum cleaner, which aims to solve the problems in the prior art that the sewage inside the wet / dry vacuum cleaner easily flows out from the suction nozzle or the air outlet, affecting environmental hygiene, and the internal structure occupies a large space, which is inconvenient to use.

[0004] To achieve the above object, the present invention provides a portable wet and dry vacuum cleaner, comprising a main unit and a sewage tank assembly connected to one side of the main unit, wherein one end of the main unit is connected to a suction nozzle.

[0005] The sewage tank assembly includes an air intake pipe joint which is arranged inside the outer cover and has an air intake port facing upward, and a water inlet pipe which is arranged on one side of the air intake pipe joint.

[0006] One end of the water inlet pipe is connected to the suction nozzle, and the other end is bent rightward and downward in sequence and leads to the water storage tank. An air outlet cover plate connected to the air inlet of the air suction pipe joint is provided on the external cover shell.

[0007] In one of the embodiments, the external cover shell includes an upper cover plate, the bottom of the upper cover plate is buckled and connected to the bottom shell, and the cross section of the external cover shell is the same as that of the host.

[0008] In one of the embodiments, the water inlet pipe is ultrasonically connected to the inside of the external cover, and the air intake pipe joint is ultrasonically fixedly connected to one side of the bottom of the water tank.

[0009] In one of the embodiments, a sealing ring is provided between the air intake pipe joint and the bottom of the water tank, and a sealing ring is provided on the edge of the upper cover of the water tank.

[0010] In one of the embodiments, the sewage tank assembly further includes a compression spring disposed inside the outer casing on a side close to the main unit, and a connector and a button connected to the compression spring in sequence.

[0011] In one of the embodiments, a clamping spring seat is provided on one side of the sewage tank assembly that is combined with the main machine.

[0012] In one of the embodiments, the outlet of the water inlet pipe of the water tank is arranged in the middle of the water tank.

[0013] In one of the embodiments, a partition is provided on the outside of the suction pipe joint for preventing sewage from being directly sucked into the suction pipe joint.

[0014] In one of the embodiments, a float is provided inside the pipe of the suction pipe joint, and the float floats up and down with the water level in the water tank. When the water level in the water tank reaches the maximum amount indicated, the float floats at the highest point, and the suction opening of the float will press against the spherical surface of the water tank shell, so that the suction will not be transmitted to the water tank, and water absorption will stop.

[0015] The beneficial effects of the present invention are as follows:

[0016] The structural design of this sewage tank has greatly improved the problem of sewage easily flowing out of the suction nozzle or air outlet. The size of the whole machine is smaller than the existing portable wet and dry vacuum cleaners on the market, and the operation is more flexible and convenient. When the sewage tank is at maximum capacity, the whole machine can be erected or rotated 360 degrees, and sewage will not flow out of the suction nozzle and air outlet. The ingenious structural design gives users a good experience and brings convenience to life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the main unit, sewage tank assembly and suction nozzle in the present invention.

[0019] Figure 2 This is a schematic diagram of the disassembled structure of the sewage tank assembly in the present invention.

[0020] Figure 3 It is a structural schematic diagram of one side of the cross section of the sewage tank assembly in the present invention.

[0021] Figure 4 It is a schematic diagram of the cross section and airflow direction of the sewage tank assembly in the present invention.

[0022] Figure 5 It is a cross-section diagram of the sewage tank assembly and the airflow direction on the other side in the present invention.

[0023] Figure 6 It is a cross-section diagram of the sewage tank assembly and the airflow direction on the other side in the present invention.

[0024] [Main parts / assembly reference numerals]

[0025]

[0026] DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the present invention more clear, the technical solution in the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiment of the present invention. Obviously, the described embodiment is only a part of the embodiment of the present invention, not all embodiments.

[0028] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present invention.

[0029] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components in a certain state (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0030] In the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0031] In the description of the present invention, “plurality” means at least two, for example, two, three, etc., unless otherwise clearly and specifically defined.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral molding; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0034] Embodiment 1:

[0035] Reference Figure 1-2 A portable wet and dry vacuum cleaner comprises a main unit 1 and a sewage tank assembly 2 connected to one side of the main unit 1, wherein a suction nozzle 3 is connected to one end of the main unit 1.

[0036] The sewage tank assembly 2 includes an air intake pipe joint 21 disposed inside the outer housing 20 and having an air intake port facing upward, and a water inlet pipe 22 disposed on one side of the air intake pipe joint 21.

[0037] One end of the water inlet pipe 22 is connected to the suction nozzle 3, and the other end is bent to the right and downward in sequence and leads to the water storage tank 220. The outer cover shell 20 is provided with an air outlet cover plate 202 which is connected to the air intake port of the air intake pipe joint 21.

[0038] The suction force generated by the host 1 is transmitted to the water tank 220, and then to the suction nozzle 3, so that the sewage can flow through the suction nozzle 3 and be sucked into the water tank 220 and stored. After the sewage enters the water inlet pipe 22 in the water tank 220 through the suction nozzle 3, it first turns to the right, and then is sucked into the water tank 220 backward and downward, reducing the impact speed of the water and making the horizontal plane tend to be stable. The air outlet of the suction pipe joint 21 in the water tank 220 is set at the upper part of the water tank 220. A partition is designed around the suction pipe joint 21 to prevent the sewage from being directly sucked into the suction pipe joint 21. In addition, from the air inlet of the suction pipe joint 21 to the air outlet of the water tank 220, the air flow has passed a 180° turn, so that the air flow will not be so intense, which can further alleviate the sewage from being directly sucked out of the water tank 220, thereby preventing water leakage. The outlet of the water inlet pipe 22 in the water tank 220 is designed in the middle of the water tank 220. When the amount of sewage in the water tank 220 does not exceed the maximum capacity mark, the sewage will not enter the sewage water inlet pipe 22. When not in operation, the sewage will not flow out of the suction nozzle 3, and the sewage in the water tank 220 will not flow out after a 360° rotation.

[0039] Reference Figure 2 Preferably, the external cover shell 20 includes an upper cover plate 200 , the bottom of the upper cover plate 200 is buckled and connected with a bottom shell 201 , and the cross section of the external cover shell 20 is the same as that of the host 1 .

[0040] Reference Figure 2 , Figure 3 and Figure 4Preferably, the water inlet pipe 22 is ultrasonically connected to the inside of the external cover shell 20, and the air intake pipe joint 21 is ultrasonically fixedly connected to one side of the bottom of the water storage tank 220.

[0041] The use of ultrasonic fixing is beneficial to the stability of the overall structure of the product, there will be no external protruding defects, and the components will fit more closely.

[0042] Reference Figure 3 , Figure 4 Preferably, a sealing ring 23 is provided between the air intake pipe joint 21 and the bottom of the water storage tank 220 , and a sealing ring 23 is provided on the edge of the upper cover of the water storage tank 220 .

[0043] Reference Figure 2 Preferably, the sewage tank assembly 2 further includes a compression spring 26 disposed inside the outer casing 20 on a side close to the main unit 1 , and a connector 27 and a button 28 connected to the compression spring 26 in sequence.

[0044] Reference Figure 2 Preferably, a clamping spring seat 25 is provided on one side where the sewage tank assembly 2 is combined with the host 1 .

[0045] Reference Figure 3 , Figure 4 Preferably, the outlet of the water inlet pipe 22 of the water tank 220 is arranged in the middle of the water tank 220 .

[0046] Embodiment 2:

[0047] Reference Figure 3 , Figure 4 Preferably, a partition is provided on the outside of the suction pipe joint 21 to prevent sewage from being directly sucked into the suction pipe joint 21.

[0048] The air outlet of the air intake pipe joint 21 in the water tank 220 is arranged at the upper part of the water tank 220 , and a partition is designed around the air intake pipe joint 21 to prevent sewage from being directly sucked into the air intake pipe joint 21 .

[0049] Embodiment 3:

[0050] Reference Figure 3 , Figure 4 Preferably, a float is provided inside the pipe of the air suction pipe joint 21, and the float floats up and down with the water volume in the water tank 220. When the water volume in the water tank 220 reaches the maximum volume indicated by the mark, the float floats at the highest point, and the suction opening of the float will support the spherical surface of the outer shell of the water tank 220, so that the suction will not be transmitted to the water tank 220, and the water suction will stop.

[0051] The working principle of the present invention is as follows:

[0052] The suction force is transmitted to the water tank 220, and then to the suction nozzle 3, so that the sewage can flow through the suction nozzle 3 and be sucked into the water tank 220 and stored. After the sewage enters the water inlet pipe 22 in the water tank 220 through the suction nozzle 3, it first turns to the right, and then is sucked into the water tank 220 backward and downward, reducing the impact speed of the water and making the horizontal plane tend to be stable. The air outlet of the suction pipe joint 21 in the water tank 220 is set at the upper part of the water tank 220. A partition is designed around the suction pipe joint 21 to prevent the sewage from being directly sucked into the suction pipe joint 21. In addition, from the air inlet of the suction pipe joint 21 to the air outlet of the water tank 220, the air flow has passed a 180° turn, so that the air flow will not flow so violently, which can further alleviate the sewage from being directly sucked out of the water tank 220, thereby preventing water leakage.

[0053] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A portable wet and dry vacuum cleaner, characterized in that: It includes a main unit and a sewage tank assembly connected to one side of the main unit, and one end of the main unit is connected to a suction nozzle. The sewage tank assembly includes an air intake pipe joint arranged inside the outer housing and with the air intake port facing upward, and a water inlet pipe arranged on one side of the air intake pipe joint. One end of the water inlet pipe is connected to the suction nozzle, and the other end is bent to the right and downward in sequence and passed into the water tank. The external cover shell is provided with an outlet cover plate connected to the air intake port of the air intake pipe joint. The water inlet pipe is ultrasonically connected to the inside of the external cover shell, and the air intake pipe joint is fixedly connected to one side of the bottom of the water tank by ultrasound. A sealing ring is also provided between the air intake pipe joint and the bottom of the water tank. A sealing ring is provided on the edge of the upper cover of the water tank. A partition is provided on the outside of the air intake pipe joint to prevent sewage from being directly sucked into the air intake pipe joint. A float is provided inside the pipe of the air intake pipe joint, and the float floats up and down with the water amount in the water tank. When the water amount in the water tank reaches the maximum amount marked, the float floats at the highest point, and the suction opening of the float will support the spherical surface of the water tank shell, so that the suction will not be transmitted to the water tank, and water absorption will stop.

2. The portable wet and dry vacuum cleaner according to claim 1, characterized in that: The external cover shell comprises an upper cover plate, the bottom of which is buckled and connected with a bottom shell, and the cross section of the external cover shell is the same as that of the host.

3. The portable wet and dry vacuum cleaner according to claim 1, characterized in that: The sewage tank assembly also includes a compression spring arranged inside the outer cover shell on a side close to the main machine, and a connecting piece and a button connected to the compression spring in sequence.

4. The portable wet and dry vacuum cleaner according to claim 1, characterized in that: A clamping spring seat is provided on one side of the sewage tank assembly combined with the main machine.

5. The portable wet and dry vacuum cleaner according to claim 1, characterized in that: The outlet of the water inlet pipe of the water storage tank is arranged in the middle of the water storage tank.

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