Multi-stage filtering structure and filter thereof

Abstract

The utility model discloses a multistage filtering structure and a filter thereof, and relates to the technical field of pollution discharge filtering, the multistage filtering structure comprises a cylinder body, a first filtering mechanism, a second filtering mechanism and a pollution discharge mechanism, the first filtering mechanism is arranged on the outer wall of the cylinder body, the second filtering mechanism is arranged in the cylinder body, and the pollution discharge mechanism is arranged on the outer wall of the cylinder body; and the sewage discharging mechanism is used for discharging impurities accumulated in the second filtering mechanism. When the second filtering mechanism is inserted into the cylinder body, liquid enters the cylinder body and then enters the second filtering mechanism, then impurities are filtered out by the second filtering mechanism and left in the second filtering mechanism, and the impurities accumulated in the second filtering mechanism can be discharged through the pollution discharge mechanism, so that the influence on the work of the second filtering mechanism is avoided; and in the process, the second filtering mechanism does not need to be taken out of the barrel, so that the sewage discharging convenience of the second filtering mechanism is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sewage filtering technical field, especially a kind of multistage filtering structure and filter thereof. BACKGROUND

[0002] Basket filter is a kind of common filter, it can be directly installed in liquid pipeline and carry out filtering work.

[0003] The filter piece in basket filter is cylindrically arranged, and the top opening is obliquely cut, so that the liquid enters the filter piece through the lower top opening position, and is discharged through the higher top opening position after filtering, and the impurities filtered out are directly left in the filter cylinder.

[0004] With the long-time work of filter, the impurities in filter cylinder need to be cleaned, now generally the top cover of basket filter is opened, and then filter cylinder is taken out to clean, however, the top cover is generally fixed on the filter by the way of flange, so that the top cover needs to be screwed with multiple bolts for disassembly and assembly, which wastes time, therefore, we provide a kind of multistage filtering structure and filter thereof. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of multistage filtering structure and filter thereof to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of multistage filtering structure, comprising:

[0007] cylinder body;

[0008] First filter mechanism, the first filter mechanism is arranged on the outer wall of cylinder body;

[0009] Second filter mechanism, the second filter mechanism is arranged in the inside of cylinder body;

[0010] Sewage mechanism, the sewage mechanism is arranged on the outer wall of cylinder body, and the sewage mechanism is used for discharging the impurities accumulated in the second filter mechanism.

[0011] Preferably, the first filter mechanism comprises:

[0012] Connecting pipe, the connecting pipe is fixedly connected to the outer wall of cylinder body in symmetry;

[0013] Filter screen, the filter screen is fixedly arranged on the inner wall of one connecting pipe.

[0014] Preferably, the second filter mechanism comprises:

[0015] Connecting ring, the connecting ring is arranged in the inside of cylinder body;

[0016] The filter screen cylinder is fixedly connected with the bottom end of the connecting ring, and the blowdown mechanism is arranged between the filter screen cylinder and the cylinder body.

[0017] Preferably, the blowdown mechanism comprises:

[0018] The blowdown pipe is fixedly connected with the outer wall of the cylinder body;

[0019] The communication hole is arranged on the outer wall of the filter screen cylinder, and the blowdown pipe and the communication hole are provided with a butt joint mechanism;

[0020] The sealing mechanism is arranged at the end of the blowdown pipe.

[0021] Preferably, the sealing mechanism comprises:

[0022] The sealing cover is threadedly sleeved on the outer wall of the blowdown pipe;

[0023] The plug is fixedly connected with the inner wall of the sealing cover, and the outer wall of the plug is movably and penetratingly connected with the inner wall of the blowdown pipe.

[0024] Preferably, the butt joint mechanism comprises:

[0025] The movable pipe is penetratingly arranged in the blowdown pipe, and the outer wall of the movable pipe is movably and penetratingly connected with the inner wall of the communication hole;

[0026] The outer wall of the movable pipe is threadedly connected with the inner wall of the internal thread ring;

[0027] The rubber ring is attached to one side of the internal thread ring;

[0028] The limiting mechanism is arranged between the movable pipe and the blowdown pipe.

[0029] Preferably, the limiting mechanism comprises:

[0030] The fixed ring is fixedly connected with the inner wall of the blowdown pipe, and the outer wall of the movable pipe is movably and penetratingly connected with the inner wall of the fixed ring;

[0031] The clamping ring is fixedly sleeved on the outer wall of the movable pipe, and the outer diameter of the clamping ring is greater than the inner diameter of the fixed ring.

[0032] The utility model further provides a filter, comprising the multistage filter structure of the above-mentioned any one.

[0033] The utility model discloses a technical effect and advantage:

[0034] The utility model discloses a kind of multi-stage filtering structures, embodiment one, including cylinder 101, first filtering mechanism, second filtering mechanism and pollution discharge mechanism, first filtering mechanism is arranged on the outer wall of cylinder 101, second filtering mechanism is arranged in the inside of cylinder 101, pollution discharge mechanism is arranged on the outer wall of cylinder 101, pollution discharge mechanism is used to discharge the sundries accumulated in second filtering mechanism, when second filtering mechanism is inserted into cylinder 101, liquid enters cylinder 101 and then enters second filtering mechanism, then sundries can be filtered out by second filtering mechanism and remain in second filtering mechanism, then the sundries accumulated in second filtering mechanism can be discharged through pollution discharge mechanism, avoid affecting the work of second filtering mechanism, and in this process, second filtering mechanism does not need to be taken out from cylinder 101, improve the convenience of second filtering mechanism pollution discharge. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 It is a three-dimensional structure schematic diagram of the utility model.

[0036] Figure 2 It is a front view sectional structure schematic diagram of the utility model.

[0037] Figure 3 It is the A place local enlarged structure schematic diagram of the utility model Figure 2 .

[0038] In the drawing: 101, cylinder;201, connecting pipe;202, filter screen sheet;301, connecting ring;302, filter screen cylinder;401, pollution discharge pipe;402, communication hole;501, sealing cover;502, plug;601, movable pipe;602, internal thread ring;603, rubber ring;701, fixed ring;702, snap ring. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0040] The utility model provides a kind of multi-stage filtering structure as Figures 1-3 shown, embodiment one, including cylinder 101, first filtering mechanism, second filtering mechanism and pollution discharge mechanism, first filtering mechanism is arranged on the outer wall of cylinder 101, second filtering mechanism is arranged in the inside of cylinder 101, pollution discharge mechanism is arranged on the outer wall of cylinder 101, pollution discharge mechanism is used to discharge the sundries accumulated in second filtering mechanism, when second filtering mechanism is inserted into cylinder 101, liquid enters cylinder 101 and then enters second filtering mechanism, then sundries can be filtered out by second filtering mechanism and remain in second filtering mechanism, then the sundries accumulated in second filtering mechanism can be discharged through pollution discharge mechanism, avoid affecting the work of second filtering mechanism, and in this process, second filtering mechanism does not need to be taken out from cylinder 101, improve the convenience of second filtering mechanism pollution discharge.

[0041] The first filtering mechanism comprises a connecting pipe 201 and a filter screen 202. The connecting pipe 201 is symmetrically fixed to the outer wall of the cylinder 101. The filter screen 202 is fixed to the inner wall of one of the connecting pipes 201. The connecting pipe 201 with the filter screen 202 is the liquid inlet pipe. The liquid enters the cylinder 101 through the connecting pipe 201 and then is discharged from the cylinder 101 through the other connecting pipe 201. The flange is arranged at the end of the connecting pipe 201, which facilitates the connection of the connecting pipe 201 with the external equipment.

[0042] The second filtering mechanism comprises a connecting ring 301 and a filter screen cylinder 302. The connecting ring 301 is arranged in the cylinder 101. The top end of the filter screen cylinder 302 is fixed to the bottom end of the connecting ring 301. The dirt discharging mechanism is arranged between the filter screen cylinder 302 and the cylinder 101. The connecting ring 301 is arranged obliquely, so that the liquid entering through the connecting pipe 201 with the filter screen 202 directly enters the filter screen cylinder 302, and then is discharged through the filter screen cylinder 302 and the corresponding connecting pipe 201. The impurities are retained in the filter screen cylinder 302.

[0043] The dirt discharging mechanism comprises a dirt discharging pipe 401, a communication hole 402 and a sealing mechanism. The dirt discharging pipe 401 is fixed to the outer wall of the cylinder 101. The communication hole 402 is arranged on the outer wall of the filter screen cylinder 302. The dirt discharging pipe 401 and the communication hole 402 are provided with a butt joint mechanism. The sealing mechanism is arranged at the end of the dirt discharging pipe 401. When the dirt needs to be discharged, the liquid entering the cylinder 101 is discharged from the dirt discharging pipe 401 due to the height difference between the dirt discharging pipe 401 and the connecting pipe 201, so that the impurities accumulated in the filter screen cylinder 302 are flushed out.

[0044] The sealing mechanism comprises a sealing cover 501 and a plug 502. The sealing cover 501 is screwed on the outer wall of the dirt discharging pipe 401. The plug 502 is fixed to the inner wall of the sealing cover 501. The outer wall of the plug 502 is movably connected to the inner wall of the dirt discharging pipe 401. When the sealing cover 501 is screwed on the dirt discharging pipe 401, the dirt discharging mechanism does not work when the filter normally works, thereby improving the stability of the filter.

[0045] The docking mechanism comprises a movable pipe 601, an internally threaded ring 602, a rubber ring 603 and a limiting mechanism, the movable pipe 601 is arranged in the inside of the blow-off pipe 401, the outer wall of the movable pipe 601 is movably and penetratingly connected with the inner wall of the communication hole 402, the outer wall of the movable pipe 601 is threadedly connected with the inner wall of the internally threaded ring 602, the rubber ring 603 is attached to one side of the internally threaded ring 602, the limiting mechanism is arranged between the movable pipe 601 and the blow-off pipe 401, after the connecting ring 301 is inserted into the barrel 101, the movable pipe 601 is removed from the blow-off pipe 401 and inserted into the communication hole 402, then the internally threaded ring 602 is tightened on the outer wall of the movable pipe 601 and the rubber ring 603 is abutted against the inner wall of the filter screen barrel 302, so that the filter screen barrel 302 is positioned and the filter screen barrel 302 cannot move in the barrel 101, and liquid can be discharged through the movable pipe 601 and the blow-off pipe 401.

[0046] The limiting mechanism comprises a fixed ring 701 and a clamping ring 702, the fixed ring 701 is fixedly connected with the inner wall of the blow-off pipe 401, the outer wall of the movable pipe 601 is movably and penetratingly connected with the inner wall of the fixed ring 701, the clamping ring 702 is fixedly sleeved on the outer wall of the movable pipe 601, the outer diameter of the clamping ring 702 is larger than the inner diameter of the fixed ring 701, the limiting of the clamping ring 702 by the fixed ring 701 and the limiting of the movable pipe 601 by the fixed ring 701 ensure that the internally threaded ring 602 can be stably tightened to abut the rubber ring 603 against the inner wall of the filter screen barrel 302.

[0047] In the second embodiment, the utility model also provides a filter which comprises the multi-stage filtering structure of any one of the above embodiments.

[0048] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A multi-stage filtration structure, characterized by, The utility model relates to a multi-stage filter structure, comprising: a barrel (101); a first filter mechanism arranged on the outer wall of the barrel (101); a second filter mechanism arranged in the barrel (101); a pollution discharge mechanism arranged on the outer wall of the barrel (101), used for discharging sundries accumulated in the second filter mechanism.

2. The multi-stage filtration structure of claim 1, wherein, The first filter mechanism comprises: a connecting pipe (201) symmetrically fixed and connected to the outer wall of the barrel (101); a filter screen (202) fixedly arranged on the inner wall of one of the connecting pipes (201).

3. The multi-stage filtration structure of claim 1, wherein, The second filter mechanism comprises: a connecting ring (301) arranged in the barrel (101); a filter screen barrel (302) with the top end fixedly connected to the bottom end of the connecting ring (301), and the pollution discharge mechanism arranged between the filter screen barrel (302) and the barrel (101).

4. The multi-stage filtration structure of claim 3, wherein, The pollution discharge mechanism comprises: a pollution discharge pipe (401) fixedly connected to the outer wall of the barrel (101); a communication hole (402) formed on the outer wall of the filter screen barrel (302), and a butt joint mechanism arranged between the pollution discharge pipe (401) and the communication hole (402); a sealing mechanism arranged at the end of the pollution discharge pipe (401).

5. A multi-stage filtration structure according to claim 4, wherein, The sealing mechanism comprises: a sealing cover (501) threadedly sleeved on the outer wall of the pollution discharge pipe (401); a plug (502) fixedly connected to the inner wall of the sealing cover (501), and the outer wall of the plug (502) movably and penetratingly connected to the inner wall of the pollution discharge pipe (401).

6. The multi-stage filtration structure of claim 4, wherein, The butt joint mechanism comprises: a movable pipe (601) movably and penetratingly arranged in the pollution discharge pipe (401), and the outer wall of the movable pipe (601) movably and penetratingly connected to the inner wall of the communication hole (402); an internally-threaded ring (602) threadedly connected to the outer wall of the movable pipe (601) and the inner wall of the internally-threaded ring (602); a rubber ring (603) attached to one side of the internally-threaded ring (602); a limiting mechanism arranged between the movable pipe (601) and the pollution discharge pipe (401).

7. A multi-stage filtration structure according to claim 6, wherein The limiting mechanism comprises: a fixed ring (701) fixedly connected to the inner wall of the pollution discharge pipe (401), and the outer wall of the movable pipe (601) movably and penetratingly connected to the inner wall of the fixed ring (701); a clamping ring (702) fixedly sleeved on the outer wall of the movable pipe (601), and the outer diameter of the clamping ring (702) greater than the inner diameter of the fixed ring (701).

8. A filter characterized by, The utility model relates to a multi-stage filter structure, comprising: a barrel (101); a first filter mechanism arranged on the outer wall of the barrel (101); a second filter mechanism arranged in the barrel (101); a pollution discharge mechanism arranged on the outer wall of the barrel (101), used for discharging sundries accumulated in the second filter mechanism. The first filter mechanism comprises: a connecting pipe (201) symmetrically fixed and connected to the outer wall of the barrel (101); a filter screen (202) fixedly arranged on the inner wall of one of the connecting pipes (201). The second filter mechanism comprises: a connecting ring (301) arranged in the barrel (101); a filter screen barrel (302) with the top end fixedly connected to the bottom end of the connecting ring (301), and the pollution discharge mechanism arranged between the filter screen barrel (302) and the barrel (101). The pollution discharge mechanism comprises: a pollution discharge pipe (401) fixedly connected to the outer wall of the barrel (101); a communication hole (402) formed on the outer wall of the filter screen barrel (302), and a butt joint mechanism arranged between the pollution discharge pipe (401) and the communication hole (402); a sealing mechanism arranged at the end of the pollution discharge pipe (401). The sealing mechanism comprises: a sealing cover (501) threadedly sleeved on the outer wall of the pollution discharge pipe (401); a plug (502) fixedly connected to the inner wall of the sealing cover (501), and the outer wall of the plug (502) movably and penetratingly connected to the inner wall of the pollution discharge pipe (401). The butt joint mechanism comprises: a movable pipe (601) movably and penetratingly arranged in the pollution discharge pipe (401), and the outer wall of the movable pipe (601) movably and penetratingly connected to the inner wall of the communication hole (402); an internally-threaded ring (602) threadedly connected to the outer wall of the movable pipe (601) and the inner wall of the internally-threaded ring (602); a rubber ring (603) attached to one side of the internally-threaded ring (602); a limiting mechanism arranged between the movable pipe (601) and the pollution discharge pipe (401). The limiting mechanism comprises: a fixed ring (701) fixedly connected to the inner wall of the pollution discharge pipe (401), and the outer wall of the movable pipe (601) movably and penetratingly connected to the inner wall of the fixed ring (701); a clamping ring (702) fixedly sleeved on the outer wall of the movable pipe (601), and the outer diameter of the clamping ring (702) greater than the inner diameter of the fixed ring (701). The utility model relates to a multi-stage filter structure, comprising: a barrel (101); a first filter mechanism arranged on the outer wall of the barrel (101); a second filter mechanism arranged in the barrel (101); a pollution discharge mechanism arranged on the outer wall of the barrel (101), used for discharging sundries accumulated in the second filter mechanism. The first filter mechanism comprises: a connecting pipe (201) symmetrically fixed and connected to the outer wall of the barrel (101); a filter screen (202) fixedly arranged on the inner wall of one of the connecting pipes (201). The second filter mechanism comprises: a connecting ring (301) arranged in the barrel (101); a filter screen barrel (302) with the top end fixedly connected to the bottom end of the connecting ring (301), and the pollution discharge mechanism arranged between the filter screen barrel (302) and the barrel (101). The pollution discharge mechanism comprises: a pollution discharge pipe (401) fixedly connected to the outer wall of the barrel (101); a communication hole (402) formed on the outer wall of the filter screen barrel (302), and a butt joint mechanism arranged between the pollution discharge pipe (401) and the communication hole (402); a sealing mechanism arranged at the end of the pollution discharge pipe (401). The sealing mechanism comprises: a sealing cover (501) threadedly sleeved on the outer wall of the pollution discharge pipe (401); a plug (502) fixedly connected to the inner wall of the sealing cover (501), and the outer wall of the plug (502) movably and penetratingly connected to the inner wall of the pollution discharge pipe (401). The butt joint mechanism comprises: a movable pipe (601) movably and penetratingly arranged in the pollution discharge pipe (401), and the outer wall of the movable pipe (601) movably and penetratingly connected to the inner wall of the communication hole (402); an internally-threaded ring (602) threadedly connected to the outer wall of the movable pipe (601) and the inner wall of the internally-threaded ring (602); a rubber ring (603) attached to one side of the internally-threaded ring (602); a limiting mechanism arranged between the movable pipe (601) and the pollution discharge pipe (401). The limiting mechanism comprises: a fixed ring (701) fixedly connected to the inner wall of the pollution discharge pipe (401), and the outer wall of the movable pipe (601) movably and penetratingly connected to the inner wall of the fixed ring (701); a clamping ring (702) fixedly sleeved on the outer wall of the movable pipe (601), and the outer diameter of the clamping ring (702) greater than the inner diameter of the fixed ring (701). The utility model relates to a multi-stage filter structure, comprising: a barrel (101); a first filter mechanism arranged on the outer wall of the barrel (101); a second filter mechanism arranged in the barrel (101); a pollution discharge mechanism arranged on the outer wall of the barrel (101), used for discharging sundries accumulated in the second filter mechanism. The first filter mechanism comprises: a connecting pipe (201) symmetrically fixed and connected to the outer wall of the barrel (101); a filter screen (202) fixedly arranged on the inner wall of one of the connecting pipes (201). The second filter mechanism comprises: a connecting ring (301) arranged in the barrel (101); a filter screen barrel (302) with the top end fixedly connected to the bottom end of the connecting ring (301), and the pollution discharge mechanism arranged between the filter screen barrel (302) and the barrel (101). The pollution discharge mechanism comprises: a pollution discharge pipe (401) fixedly connected to the outer wall of the barrel (101); a communication hole (402) formed on the outer wall of the filter screen barrel (302), and a butt joint mechanism arranged between the pollution discharge pipe (401) and the communication hole (402); a sealing mechanism arranged at the end of the pollution discharge pipe (401). The sealing mechanism comprises: a sealing cover (501) threadedly sleeved on the outer wall of the pollution discharge pipe (401); a plug (502) fixedly connected to the inner wall of the sealing cover (501), and the outer wall of the plug (502) movably and penetratingly connected to the inner wall of the pollution discharge pipe (401). The butt joint mechanism comprises: a

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