CN211987352U - Negative pressure filter - Google Patents
Negative pressure filter Download PDFInfo
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- CN211987352U CN211987352U CN202020545014.2U CN202020545014U CN211987352U CN 211987352 U CN211987352 U CN 211987352U CN 202020545014 U CN202020545014 U CN 202020545014U CN 211987352 U CN211987352 U CN 211987352U
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- filter
- box body
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- vacuum box
- negative pressure
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Abstract
A negative pressure filter comprising: the vacuum box body, the liquid storage container, the vacuum machine and the filtering component are arranged; the liquid storage container is detachably arranged in the vacuum box body; the output end of the vacuum machine is connected in the vacuum box body and is used for forming a negative pressure environment in the vacuum box body; the upper surface of the vacuum box body is provided with a mounting opening, and the opening of the liquid storage container is aligned with the mounting opening; the filter assembly is arranged at the mounting port; the filter assembly includes: the funnel piece, the filter screen and the support plate; the upper surface of the funnel piece extends outwards to form a top filtering edge, and the lower surface of the funnel piece extends outwards to form a bottom filtering edge; the funnel piece is arranged at the mounting port, and the bottom of the top filter edge is contacted with the upper surface of the vacuum box body; the backup pad can be dismantled and be fixed in end and strain the limit to compress tightly the filter screen in the below of end straining the limit. The negative pressure filter can adapt to liquid storage containers with different sizes, and solves the problem that the filter cannot be not matched with filter funnels of other models in the prior art; meanwhile, the funnel piece and the filter screen are convenient to disassemble, and the filter screen is convenient to clean and maintain.
Description
Technical Field
The utility model relates to a filter technical field especially relates to a negative pressure filter.
Background
Most of negative pressure filters used in the current market are installed on pipelines and are suitable for being installed on a large-batch production line with single and fixed products. However, such filters have high loss after filtration, are difficult to clean, and greatly reduce the filtration efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a negative pressure filter, its funnel spare can be dismantled fixedly with the backup pad, makes the filter screen fixed.
To achieve the purpose, the utility model adopts the following technical proposal:
a negative pressure filter comprising: the vacuum box body, the liquid storage container, the vacuum machine and the filtering component are arranged;
the liquid storage container is detachably arranged in the vacuum box body; the output end of the vacuum machine is connected into the vacuum box body and is used for forming a negative pressure environment in the vacuum box body; the upper surface of the vacuum box body is provided with a mounting opening, and the opening of the liquid storage container is aligned with the mounting opening; the filter assembly is arranged at the mounting port;
the filter assembly includes: the funnel piece, the filter screen and the support plate;
the upper surface of the funnel piece extends outwards to form a top filtering edge, and the lower surface of the funnel piece extends outwards to form a bottom filtering edge; the funnel piece is arranged at the mounting port, and the bottom of the top filter edge is in contact with the upper surface of the vacuum box body; the supporting plate is detachably fixed on the bottom filtering edge, and the filter screen is tightly pressed below the bottom filtering edge.
Further, the method further comprises the following steps: a funnel fixing member; the top filter edge is provided with a filter edge fixing hole;
the upper surface of the vacuum box body is provided with box body fixing holes at the positions corresponding to the filter edge fixing holes; the funnel fixing piece sequentially stretches into the filter edge fixing hole and the box body fixing hole, so that the funnel piece is fixed on the vacuum box body.
Further, the funnel fixing piece is provided with a screw rod for adjusting the end head and the external thread structure;
an internal thread structure is arranged in the box body fixing hole; the funnel fixing piece is matched with the box body fixing hole through a screw rod part and is pressed on the upper surface of the vacuum box body through an adjusting end.
Further, the top filter edge is provided with a plurality of filter edge fixing holes; and a plurality of the filter edge fixing holes are distributed on the top filter edge in a ring shape.
Further, the method further comprises the following steps: a screen retainer;
the filter screen fixing piece is provided with a screw rod with an adjusting end head and an external thread structure;
the bottom filtering edge is provided with a filtering edge mesh pressing hole with an internal thread structure; the supporting plate is provided with a fixed pressing mesh hole;
the screw rod part of filter screen mounting stretches into in proper order the fixed mesh hole of pressing with strain the limit and press the mesh hole, and cooperate in strain the limit and press in the mesh hole, make the backup pad will the filter screen compress tightly in end strain the limit.
Stated further, the filter assembly includes: a seal ring;
the supporting plate is provided with a sealing accommodating groove; the sealing ring is arranged in the sealing accommodating groove; the filter screen sets up in the circle of sealing washer.
Further, the support plate is provided with a plurality of hollow openings at the position of the filter screen.
Further, the shape of the hollow-out opening is circular.
In a further elaboration, the vacuum box is provided with a sliding door.
Further, the method further comprises the following steps: a sealing plug; an accessory mounting port is formed in the outer side of the vacuum box body; the sealing plug is detachably mounted on the accessory mounting port.
The utility model has the advantages that:
the negative pressure filter can adapt to liquid storage containers with different sizes, and solves the problem that the filter cannot be not matched with filter funnels of other models in the prior art; meanwhile, the funnel piece and the filter screen are convenient to disassemble, and the filter screen is convenient to clean and maintain.
Drawings
FIG. 1 is a schematic view of a negative pressure filter;
fig. 2 is a schematic view of the structure of the filter assembly.
Wherein:
the device comprises a vacuum box body 1, a liquid storage container 2, a vacuum machine 3 and a filter assembly 4; a funnel fixing member 5; a strainer fixing member 6; a seal ring 7; a sealing plug 8;
a mounting port 11; a sliding door 12;
a funnel 41, a filter screen 42, a support plate 43;
a top filter edge 411, a bottom filter edge 412; filter edge fixing holes 413; filter edge mesh pressing hole 414
A stationary pressure mesh 431; a seal accommodating groove 432; a hollowed-out opening 433.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
A negative pressure filter comprising: the device comprises a vacuum box body 1, a liquid storage container 2, a vacuum machine 3 and a filter assembly 4;
the liquid storage container 2 is detachably arranged in the vacuum box body 1; the output end of the vacuum machine 3 is connected to the inside of the vacuum box body 1 and is used for forming a negative pressure environment in the vacuum box body 1; the upper surface of the vacuum box body 1 is provided with a mounting port 11, and the opening of the liquid storage container 2 is aligned with the mounting port 11; the filter assembly 4 is arranged at the mounting opening 11;
the filter assembly 4 comprises: a funnel 41, a filter screen 42, and a support plate 43;
the upper surface of the funnel piece 41 extends outwards to form a top filtering edge 411, and the lower surface extends outwards to form a bottom filtering edge 412; the funnel piece 41 is installed at the installation opening 11, and the bottom of the top filter edge 411 is contacted with the upper surface of the vacuum box body 1; the supporting plate 43 is detachably fixed on the bottom filter edge 412, and presses the filter screen 42 below the bottom filter edge 412.
The negative pressure filter can adapt to liquid storage containers 2 of different sizes, and solves the problem that the filter cannot be not matched with filter funnels of other models in the prior art; meanwhile, the funnel piece 41 and the filter screen 42 are convenient to disassemble, and the filter screen is convenient to clean and maintain.
Specifically, the liquid storage container 2 is placed in the vacuum box body 1, the liquid storage container 2 can be in any specification, and the opening is only required to be larger than the output port of the funnel piece 41, so that the filtrate is guaranteed not to spill out when falling vertically; the funnel piece 41, the filter screen 42 and the supporting plate 43 are assembled, the funnel piece 41 is arranged at the mounting port 11, and the top filter edge 411 is attached to the upper surface of the vacuum box body 1; sealing the vacuum box body 1, and starting the vacuum machine 3 to change the vacuum box body 1 into a negative pressure environment; the liquid to be filtered is poured into the funnel piece 41, the filtrate in the funnel piece 41 passes through the filter screen 42 by using negative pressure, so that the liquid falls to the liquid storage container 2, and the solid is limited to the filter screen 42. After filtration, the supporting plate 43 is detached from the bottom filtering edge 412, so that the filtering solid can be obtained by separation from the filtering net 42, and the filtering liquid can be obtained from the liquid storage container 2, thereby realizing solid-liquid separation.
Further, the method further comprises the following steps: a funnel fixing member 5; the top filtering edge 411 is provided with a filtering edge fixing hole 413;
a box body fixing hole is formed in the upper surface of the vacuum box body 1 at a position corresponding to the filter edge fixing hole 413; funnel mounting 5 stretches into in proper order strain limit fixed orifices 413 with the box fixed orifices makes funnel 41 is fixed in vacuum box 1.
Filter limit 411 will be strained on the top through funnel mounting 5 and be fixed in the upper surface of vacuum box 1, make the top filter limit 411 paste the upper surface of tight vacuum box 1, prevent that funnel 41 is not hard up or rock at the in-process that uses, guaranteed the smoothness of filtering process.
Further, the funnel fixing piece 5 is provided with a screw rod for adjusting the end head and the external thread structure;
an internal thread structure is arranged in the box body fixing hole; funnel mounting 5 through screw rod part with the cooperation of box fixed orifices, compress tightly in through adjusting the end in the upper surface of vacuum box 1.
The funnel fixing piece 5 is similar to a bolt structure, the adjusting end is the end of a bolt, and the screw rod is the screw rod of the bolt; when the screw part of the funnel fixing piece 5 is completely matched with the box body fixing hole, the adjusting end head is downwards pressed on the upper surface of the vacuum box body 1, so that the fixing effect of the funnel piece 41 is improved; and the matching degree of the screw part and the box body fixing hole can be manually controlled by adjusting the rotation of the end head, so that the detachable and fixed effect can be realized.
In a further description, the top filter edge 411 is provided with a plurality of filter edge fixing holes 413; and a plurality of the filter edge fixing holes 413 are distributed in the top filter edge 411 in a ring shape.
Filter limit fixed orifices 413 and be the annular form and distribute in the top and strain limit 411, enable the 5 evenly distributed of funnel mounting of connecting funnel spare 41, make the stationary force more even, fixed effect is better.
Further, the method further comprises the following steps: a strainer fixing member 6;
the filter screen fixing piece 6 is provided with a screw rod with an adjusting end head and an external thread structure;
the bottom filter edge 412 is provided with a filter edge mesh pressing hole 414 with an internal thread structure; the supporting plate 43 is provided with a fixed press mesh 431;
the screw part of the filter screen fixing piece 6 sequentially extends into the fixed mesh pressing hole 431 and the filter edge mesh pressing hole 414 and is matched with the filter edge mesh pressing hole 414, so that the support plate 43 compresses the filter screen 42 on the bottom filter edge 412.
Filter screen mounting 6, similar to the bolt, the regulation end is the end of bolt, and the screw rod is the screw rod of bolt for can dismantle fixedly with end filter limit 412 and backup pad 43, and then improve the fixed action to filter screen 42, prevent that filtrating from breaking away filter screen 42, and then prevent that filterable solid from rushing into in stock solution container 2, the solid that leads to gets back to filtrating again in, improved filtration efficiency, reduced filterable loss rate.
Stated further, the filter assembly 4 includes: a seal ring 7;
the supporting plate 43 is provided with a sealing accommodating groove 432; the seal ring 7 is mounted in the seal accommodating groove 432; the filter screen 42 is arranged in the ring of the sealing ring 7.
Because the outer side of the filter screen 42 is surrounded by the sealing ring 7, the sealing ring 7 can provide a certain limiting effect for the filter screen 42, and the filter screen 42 is prevented from moving; meanwhile, the sealing ring 7 can prevent the filtering solid from leaking out of the edge of the filtering net 42, so that the filtering efficiency is effectively improved, and the filtering loss rate is reduced.
Furthermore, the supporting plate 43 is provided with a plurality of hollow holes 433 at the position of the filtering net 42.
The hollow-out openings 433 are used for discharging the filtrate, and the areas outside the hollow-out openings 433 support the filter screen 42, so that the filter screen has a supporting function.
Further, the shape of the hollow 433 is a circle.
The round hollowed-out opening 433 facilitates the processing of the supporting plate 43, has good drainage effect, is not easy to drip, and is more convenient to clean.
Further, the vacuum chamber 1 is provided with a sliding door 12.
The sliding door 12 is used for opening and sealing the vacuum box body 1, and when the sliding door 12 is opened, the liquid storage container 2 can be put into and taken out of the vacuum box body 1; when the sliding door 12 is closed, the interior of the vacuum box 1 is sealed, and the vacuum machine 3 is started to form a negative pressure environment in the vacuum box 1.
Further, the method further comprises the following steps: a sealing plug 8; an accessory mounting port 11 is formed in the outer side of the vacuum box body 1; the sealing plug 8 is detachably mounted to the fitting mounting port 11.
Generally, the sealing plug 8 blocks the accessory mounting port 11 of the vacuum chamber 1, and the accessory mounting port 11 is used for mounting other accessories such as a vacuum line, a pressure gauge, a blow valve, and the like, thereby diversifying the function of the negative pressure filter.
In the description of the present invention, it is to be understood that the terms "front", "back", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "side", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A negative pressure filter, comprising: the vacuum box body, the liquid storage container, the vacuum machine and the filtering component are arranged;
the liquid storage container is detachably arranged in the vacuum box body; the output end of the vacuum machine is connected into the vacuum box body and is used for forming a negative pressure environment in the vacuum box body; the upper surface of the vacuum box body is provided with a mounting opening, and the opening of the liquid storage container is aligned with the mounting opening; the filter assembly is arranged at the mounting port;
the filter assembly includes: the funnel piece, the filter screen and the support plate;
the upper surface of the funnel piece extends outwards to form a top filtering edge, and the lower surface of the funnel piece extends outwards to form a bottom filtering edge; the funnel piece is arranged at the mounting port, and the bottom of the top filter edge is in contact with the upper surface of the vacuum box body; the supporting plate is detachably fixed on the bottom filtering edge, and the filter screen is tightly pressed below the bottom filtering edge.
2. The negative pressure filter of claim 1, further comprising: a funnel fixing member; the top filter edge is provided with a filter edge fixing hole;
the upper surface of the vacuum box body is provided with box body fixing holes at the positions corresponding to the filter edge fixing holes; the funnel fixing piece sequentially stretches into the filter edge fixing hole and the box body fixing hole, so that the funnel piece is fixed on the vacuum box body.
3. The negative pressure filter of claim 2, wherein the funnel holder has a screw with an adjusting end and an external thread structure;
an internal thread structure is arranged in the box body fixing hole; the funnel fixing piece is matched with the box body fixing hole through a screw rod part and is pressed on the upper surface of the vacuum box body through an adjusting end.
4. The negative pressure filter of claim 3, wherein the top filter edge is provided with a plurality of filter edge fixing holes; and a plurality of the filter edge fixing holes are distributed on the top filter edge in a ring shape.
5. The negative pressure filter of claim 1, further comprising: a screen retainer;
the filter screen fixing piece is provided with a screw rod with an adjusting end head and an external thread structure;
the bottom filtering edge is provided with a filtering edge mesh pressing hole with an internal thread structure; the supporting plate is provided with a fixed pressing mesh hole;
the screw rod part of filter screen mounting stretches into in proper order the fixed mesh hole of pressing with strain the limit and press the mesh hole, and cooperate in strain the limit and press in the mesh hole, make the backup pad will the filter screen compress tightly in end strain the limit.
6. A negative pressure filter according to claim 1 or 5, wherein the filter assembly comprises: a seal ring;
the supporting plate is provided with a sealing accommodating groove; the sealing ring is arranged in the sealing accommodating groove; the filter screen sets up in the circle of sealing washer.
7. The negative pressure filter of claim 6, wherein the support plate is provided with a plurality of hollow openings at the position of the filter screen.
8. The negative pressure filter of claim 7, wherein the shape of the hollowed-out opening is circular.
9. The negative pressure filter of claim 1, wherein the vacuum box is provided with a sliding door.
10. The negative pressure filter of claim 1, further comprising: a sealing plug; an accessory mounting port is formed in the outer side of the vacuum box body; the sealing plug is detachably mounted on the accessory mounting port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020545014.2U CN211987352U (en) | 2020-04-14 | 2020-04-14 | Negative pressure filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020545014.2U CN211987352U (en) | 2020-04-14 | 2020-04-14 | Negative pressure filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211987352U true CN211987352U (en) | 2020-11-24 |
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ID=73413270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020545014.2U Active CN211987352U (en) | 2020-04-14 | 2020-04-14 | Negative pressure filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211987352U (en) |
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2020
- 2020-04-14 CN CN202020545014.2U patent/CN211987352U/en active Active
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