Hand-held filtering device

Abstract

The utility model discloses a hand-held filtering device which comprises a supporting base, a horizontally-installed sucking pump is arranged on one side of the upper surface of the supporting base, an air outlet of the sucking pump is connected with an air outlet pipe, a filtering piece is arranged on the supporting base, and an outlet in the upper end of the filtering piece is connected with an inlet of the sucking pump through a guide pipe. A handle is arranged in the middle of the upper surface of the supporting base, the filtering part comprises an upper shell fixed to the supporting base, the lower end of the interior of the upper shell is connected with a lower shell through a rotating ring, the lower shell and the upper shell are in sealed connection, a filter element part is arranged in the middle of the interior of the upper shell, and an air outlet is formed in the upper end of the side face of the upper shell; the lower end of the interior of the lower shell is provided with a cleaning piece for cleaning dust of the filter element piece, an air inlet formed in the lower end of the lower shell is connected with an air inlet pipe, the hand-held filtering device is simple in structure and easy and convenient to operate, the hand-held filtering device is more convenient to move and take, the filter element is faster in filtering, and the filter element is more convenient to maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering devices, in particular to a portable filtering device. Background Technique

[0002] When a gas filtering device filters, dust particles will gradually form a filter cake on the surface of the filter element. In order to remove the dust on the surface of the filter element, a gas backwashing and dust cleaning method is usually adopted, and the surface of the filter element is purged by means of an external high-pressure gas. At present, the structure of the gas filtering device includes a gas filtering device housing and a filter element group arranged in the gas filtering device housing. However, the existing device is inconvenient to clean the filter element, and it is necessary to manually disassemble the device and then clean and maintain it. Not only is the maintenance speed slow and a large amount of time is consumed, but also the device is inconvenient to move and use. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a portable filtering device with a simple structure and convenient operation. Not only is it more convenient to move and take the device, but also the filter element filters faster and the maintenance of the filter element is more convenient, which can effectively solve the problems in the background technique.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a portable filtering device, including a support base, on one side of the upper surface of the support base, there is a horizontally installed air extraction pump, the air outlet of the air extraction pump is connected with an air outlet pipe, a filtering member is arranged on the support base, the upper end outlet of the filtering member is connected with the inlet of the air extraction pump through a conduit, a handle is arranged in the middle of the upper surface of the support base, the filtering member includes an upper shell fixed on the support base, the lower end inside the upper shell is connected with a lower shell through a rotating ring, and the lower shell and the upper shell are hermetically connected. A filter element member is arranged in the middle of the upper shell, an air outlet is arranged at the upper end of the side surface of the upper shell, a cleaning member for cleaning the filter element member is arranged at the lower end inside the lower shell, and an air inlet pipe is connected to the air inlet arranged at the lower end of the lower shell.

[0005] Further, an opening is arranged at the center of the upper surface of the upper shell, and a pressure gauge is connected to the opening. Through the pressure gauge, it can be accurately detected whether the filter element member is blocked. When the filter element member is blocked, since the air extraction pump extracts the upper end inside the upper shell to a negative pressure, the pressure of the pressure gauge is reduced, thereby detecting whether the filter element member is blocked.

[0006] Furthermore, the filter element includes an upper support ring fixedly connected to the upper housing. The lower surface of the upper support ring is connected to an outer filter element. The lower end of the outer filter element is fixed with a lower support ring. The inner side of the upper surface of the lower support ring is provided with an inner filter element. The upper end of the inner filter element is provided with a sealing cover. Gas is filtered simultaneously from the inside of the inner filter element and the outside of the outer filter element. By filtering the gas through the inner filter element and the outer filter element simultaneously, the gas filtration is made faster, improving the filtration efficiency.

[0007] Furthermore, the cleaning member includes a bracket fixed inside the lower housing. Two groups of cleaning plates are evenly arranged on the bracket. The two groups of cleaning plates clean the inside of the inner filter element and the outside of the outer filter element respectively. When manually rotating the lower housing, the rotation of the lower housing can drive the bracket and the two groups of cleaning plates to rotate. By the rotation of the cleaning plates, the inside of the inner filter element and the outside of the outer filter element can be cleaned, making the maintenance and cleaning of the filter element more convenient.

[0008] Compared with the prior art, the beneficial effects of the present utility model are as follows: The handle makes it more convenient to carry the device. By filtering the gas through the inner filter element and the outer filter element simultaneously, the gas filtration is made faster, improving the filtration efficiency. When manually rotating the lower housing, the rotation of the lower housing can drive the bracket and the two groups of cleaning plates to rotate. By the rotation of the cleaning plates, the inside of the inner filter element and the outside of the outer filter element can be cleaned, making the maintenance and cleaning of the filter element more convenient. The pressure gauge can accurately detect whether the filter element is blocked. When the filter element is blocked, since the air pump extracts the upper end inside the upper housing to a negative pressure, the pressure of the pressure gauge is reduced, thereby detecting whether the filter element is blocked. This portable filtering device has a simple structure and is easy to operate. It not only makes it more convenient to move and carry the device, but also makes the filter element filter faster and the maintenance of the filter element more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 is a schematic structural diagram of the present utility model;

[0010] Figure 2 is a right-view structural diagram of the present utility model;

[0011] Figure 3 is a schematic cross-sectional structural diagram of the filter element of the present utility model.

[0012] In the figure: 1 support base, 2 air pump, 3 handle, 4 pressure gauge, 5 lower housing, 6 intake pipe, 7 outlet pipe, 8 cleaning member, 81 bracket, 82 cleaning plate, 9 filter element, 91 upper support ring, 92 outer filter element, 93 sealing cover, 94 inner filter element, 95 lower support ring, 10 upper housing, 11 rotating ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0013] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0014] Please refer to Figures 1-3, the present utility model provides a technical solution: a portable filtering device, including a support base 1. On one side of the upper surface of the support base 1, there is a horizontally installed air extraction pump 2. The air outlet of the air extraction pump 2 is connected to an air outlet pipe 7. A filtering element is arranged on the support base 1. The upper end outlet of the filtering element is connected to the inlet of the air extraction pump 2 through a conduit. In the middle of the upper surface of the support base 1, there is a handle 3. The filtering element includes an upper housing 10 fixed on the support base 1. The lower end inside the upper housing 10 is connected to a lower housing 5 through a rotating ring 11. The lower housing 5 and the upper housing 10 are hermetically connected. The sealing connection between the rotating ring 11 and the upper housing 10 is prior art. The lower housing 5 and the upper housing 10 can be connected through a flexible rubber sealing ring, which not only ensures that the lower housing 5 and the upper housing 10 can rotate, but also prevents liquid leakage between the two. In the middle inside the upper housing 10, there is a filter element 9. At the upper end of the side of the upper housing 10, there is an air outlet. At the lower end inside the lower housing 5, there is a cleaning member 8 for cleaning the filter element 9. The air inlet arranged at the lower end of the lower housing 5 is connected to an air inlet pipe 6. In the center of the upper surface of the upper housing 10, there is an opening, and this opening is connected to a pressure gauge 4. Through the pressure gauge 4, it can be accurately detected whether the filter element 9 is blocked. When the filter element 9 is blocked, since the air extraction pump 2 extracts the upper end inside the upper housing 10 to a negative pressure, the pressure of the pressure gauge 4 is thereby reduced, and thus it can be detected whether the filter element 9 is blocked. The filter element 9 includes an upper support ring 91 fixedly connected to the upper housing 10. The lower surface of the upper support ring 91 is connected to an outer filter element 92. The lower end of the outer filter element 92 is fixed with a lower support ring 95. On the inner side of the upper surface of the lower support ring 95, there is an inner filter element 94. The upper end of the inner filter element 94 is provided with a sealing cover 93. The gas is filtered simultaneously from the inside of the inner filter element 94 and the outside of the outer filter element 92. By filtering the gas through the inner filter element 94 and the outer filter element 92 simultaneously, the gas filtration is made faster, and the filtration efficiency is improved. The cleaning member 8 includes a bracket 81 fixed inside the lower housing 5. On the bracket 81, there are two groups of cleaning plates 82 evenly arranged. The two groups of cleaning plates 82 respectively clean the inner side of the inner filter element 94 and the outside of the outer filter element 92. When manually rotating the lower housing 5, the rotation of the lower housing 5 can drive the bracket 81 and the two groups of cleaning plates 82 to rotate. By the rotation of the cleaning plates 82, the inner side of the inner filter element 94 and the outside of the outer filter element 92 can be cleaned, making the maintenance and cleaning of the filter element 9 more convenient. This portable filtering device has a simple structure and is easy to operate. It not only makes it more convenient to move and pick up the device, but also makes the filter element filter faster and the maintenance of the filter element more convenient.

[0015] In use: The handle 3 makes it more convenient to pick up the device. The inner filter element 94 and the outer filter element 92 filter the gas simultaneously, making the gas filtration faster and improving the filtration efficiency. When manually rotating the lower housing 5, the rotation of the lower housing 5 can drive the bracket 81 and the two sets of cleaning plates 82 to rotate. The rotation of the cleaning plates 82 can clean the inner side of the inner filter element 94 and the outer side of the outer filter element 92, making it more convenient to maintain and clean the filter element 9. The pressure gauge 4 can accurately detect whether the filter element 9 is blocked. When the filter element 9 is blocked, since the air pump 2 extracts the upper end inside the upper housing 10 to a negative pressure, the pressure of the pressure gauge 4 is reduced, thereby detecting whether the filter element 9 is blocked.

[0016] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention.

Claims

1. A portable filtering device, comprising a supporting base (1), characterized in that: A horizontally mounted air pump (2) is provided on one side of the upper surface of the support base (1), the air outlet of the air pump (2) is connected to an air outlet pipe (7), a filter element is provided on the support base (1), the upper outlet of the filter element is connected to the inlet of the air pump (2) through a conduit, a handle (3) is provided in the middle of the upper surface of the support base (1), the filter element comprises an upper shell (10) fixed on the support base (1), the lower end of the inner part of the upper shell (10) is connected to the lower shell (5) through a rotating ring (11), the lower shell (5) and the upper shell (10) are sealed, a filter element (9) is provided in the middle of the inner part of the upper shell (10), an air outlet is provided at the upper end of the side surface of the upper shell (10), a cleaning element (8) for cleaning dust from the filter element (9) is provided at the lower end of the inner part of the lower shell (5), and an air inlet provided at the lower end of the lower shell (5) is connected to an air inlet pipe (6).

2. A portable filtering device according to claim 1, characterized in that: An opening is provided at the centre of the upper surface of the upper shell (10), and the opening is connected to a pressure gauge (4).

3. A portable filtering device according to claim 1, characterized in that: The filter element (9) comprises an upper support ring (91) fixedly connected to the upper shell (10); an outer filter element (92) is connected to the lower surface of the upper support ring (91); a lower support ring (95) is fixed to the lower end of the outer filter element (92); an inner filter element (94) is arranged on the inner side of the upper surface of the lower support ring (95); a sealing cover (93) is arranged on the upper end of the inner filter element (94); and gas is filtered simultaneously from the inner side of the inner filter element (94) and the outer side of the outer filter element (92).

4. A portable filtering device according to claim 1, characterized in that: The cleaning member (8) comprises a bracket (81) fixed inside the lower housing (5), and two groups of cleaning plates (82) are evenly arranged on the bracket (81), and the two groups of cleaning plates (82) clean the inner side of the inner filter element (94) and the outer side of the outer filter element (92) respectively.

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