CN211885778U

CN211885778U - Water treatment and purification device for fish excrement collector

Info

Publication number: CN211885778U
Application number: CN202020380355.9U
Authority: CN
Inventors: 谢长福; 吴会君
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-11-10
Anticipated expiration: 2030-03-19

Abstract

The utility model belongs to the field of water treatment, and relates to a water treatment and purification device of a fish excrement collector, which comprises a pipe body, a top cover and a bottom cover; the top cover is sleeved at the top of the pipe body, and the bottom cover is sleeved at the bottom of the pipe body; a suction pipe is arranged inside the pipe body; the top cover is provided with a water pump socket communicated with the pipe body; the bottom of the bottom cover is connected with a supporting mechanism; the bottom of the bottom cover is provided with a water inlet communicated with one end of the suction pipe; one end of the suction pipe, which is far away from the water inlet, is sleeved with a filtering device; one side of the bottom cover is provided with a sewage draining outlet communicated with the pipe body; the separator is sleeved inside the pipe body; the separator is connected with the suction pipe; a plurality of sealing rubber rings are arranged between the separator and the pipe body, and are sleeved on the outer ring wall of the separator; the purpose of reducing the fish culture cost is achieved.

Description

Water treatment and purification device for fish excrement collector

Technical Field

The utility model belongs to the technical field of water treatment, concretely relates to fish just collector water treatment purifier.

Background

Most of the filtration that breeds fish in the existing market use be, down strain triple overflow, go up the form of straining the filter pulp filter box, because fish excrement is more, and is more scattered the pressure to the filter pulp in the collection process very big, causes the filter pulp to need often to be changed, perhaps often needs to wash to water can not recycle, and the live time that causes water is shorter, and energy waste makes the cost of raising again improve.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a fish feces collector water treatment purifier to solve the problem that the fish culture water treatment among the prior art is relatively poor, and the fish culture cost is higher.

In order to achieve the above object, the present invention provides the following technical solutions: a water treatment and purification device of a fish excrement collector comprises a pipe body, a top cover and a bottom cover; the top cover is sleeved at the top of the pipe body, and the bottom cover is sleeved at the bottom of the pipe body; a suction pipe is arranged inside the pipe body; the top cover is provided with a water pump socket communicated with the pipe body; the bottom of the bottom cover is connected with a supporting mechanism capable of adjusting the water inlet volume; the bottom of the bottom cover is provided with a water inlet communicated with one end of the suction pipe; one end of the suction pipe, which is far away from the water inlet, is sleeved with a filtering device; one side of the bottom cover is provided with a sewage draining outlet communicated with the pipe body; the separator is sleeved inside the pipe body; the separator is connected with the suction pipe; a plurality of sealing rubber rings are arranged between the separator and the pipe body, and the sealing rubber rings are sleeved on the outer ring wall of the separator.

Furthermore, the bottom surface inside the bottom cover is an inclined surface; the bottom side wall is provided with a sewage draining exit which is arranged opposite to the inclined plane.

Further, supporting mechanism includes vertical a plurality of shock pads of connecting in the bottom of the bottom, and the shock pad bottom is embedded to have magnet.

Furthermore, a plurality of shock pads evenly distributed in the round of bottom to there is the clearance between two adjacent shock pads.

Furthermore, the supporting mechanism also comprises an annular slide rail, and the bottom of the bottom cover is provided with an annular slide groove matched with the annular slide rail in a sliding manner; one side of the annular slide rail, which is far away from the annular slide groove, is vertically connected with a plurality of baffles; the plurality of baffles and the plurality of shock pads are arranged in a one-to-one correspondence mode.

Further, filter equipment includes the filter screen, and the filter screen bottom is connected with the separator top, and the filter screen top is connected with the top cap bottom.

Furthermore, the filter screen is the tubular structure, and the straw is kept away from water inlet one end and is in inside the filter screen.

Furthermore, one end of the suction pipe, which is far away from the water inlet, is connected with an auxiliary sedimentation cap; the outer ring wall of the auxiliary sedimentation cap is provided with a plurality of water outlet holes communicated with the suction pipe.

Furthermore, the top of the top cover is provided with an oil film socket communicated with the pipe body, and the top cover of the oil film socket is provided with a detachable sealing cover.

Furthermore, the suction pipe, the pipe body, the top cover, the bottom cover and the filtering device are positioned on the same axis.

The utility model has the advantages of as follows: the top cover adopts an integral structure with the oil film, the effect is good, and the cost is saved; the upper end of the suction pipe adopts an auxiliary precipitation cap structure, so that the situation that the upper end is impacted upwards by fish dung in work to cause poor precipitation effect can be reduced to the maximum extent, and the suction pipe and the oil film suction pipe at the upper end are isolated and do not interfere with each other. The lower end of the filter screen adopts a taper annular separator structure, so that the deposited excrement is prevented from flowing back under the condition of fixing the filter screen. The separator adopts two sealing rubber rings to be fixed with the pipe body in a matching way, and the purpose that the position can be adjusted randomly according to the length of the filter screen is realized. The bottom adopts a precipitation, water absorption, discharge and fixation integrated structure, and the integration is maximized; when absorbing water, be connected with the supporting mechanism that can adjust into water volume through the bottom and reduce the gap of intaking, reduce into water volume, prevent that the less fish of volume from being inhaled. The bottom is additionally provided with the shock pad to prevent the water pump from generating shock together with the fish tank during working and generating noise. Two magnets are arranged at the opposite angles of the bottom shock pad and form a mutual adsorption effect with the other two magnets outside the glass at the bottom of the fish tank, so that the effect of preventing the collector from inclining is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

FIG. 1 is a schematic view of a water purifier with a fish feces collector for water treatment according to an embodiment of the present invention;

FIG. 2 is a schematic sectional view of the water purifying device with a fish feces collector according to an embodiment of the present invention, as shown in FIG. 1A-A;

fig. 3 is a schematic view of a split structure of a bottom cover supporting mechanism of a water treatment and purification device for a fish feces collector according to an embodiment of the present invention.

In the figure: the device comprises a pipe body 1, a top cover 2, a bottom cover 3, a suction pipe 4, a separator 5, a sealing rubber ring 6, a filter screen 7, an auxiliary precipitation cap 8, an oil film socket 9, a water pump socket 21, a sewage outlet 31, a water inlet 32, a shock pad 33, a magnet 34, an annular slide rail 35, an annular slide groove 36, a baffle 37 and a water outlet 81.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings and detailed description, but those skilled in the art will understand that the following described embodiments are some, not all, of the embodiments of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 and 2, a water purification device for water treatment of a fish feces collector provided in embodiment 1 of the present invention includes a tube body 1, a top cover 2 and a bottom cover 3; the top cover 2 is sleeved at the top of the pipe body 1, and the bottom cover 3 is sleeved at the bottom of the pipe body 1; a suction pipe 4 is arranged inside the pipe body 1; the top cover 2 is provided with a water pump socket 21 communicated with the pipe body 1; the bottom of the bottom cover 3 is connected with a supporting mechanism; the bottom of the bottom cover 3 is provided with a water inlet 32 communicated with one end of the suction pipe 4; one end, far away from the water inlet 32, of the straw 4 is sleeved with a filtering device, the filtering device comprises a filter screen 7, the bottom of the filter screen 7 is connected with the top of the separator 5, the top of the filter screen 7 is connected with the bottom of the top cover 2, the filter screen 7 is of a cylindrical structure, and one end, far away from the water inlet 32, of the straw 4 is located inside the filter screen 7; one side of the bottom cover 4 is provided with a sewage outlet 31 communicated with the pipe body 1; the separator 5 is sleeved in the pipe body 1, the separator is of a funnel-shaped structure, the narrow opening is downward, the flaring is upward, the flaring at the top of the separator 5 is of a cylindrical structure, the bottom of the filter screen 7 is communicated with the narrow opening of the separator 5, and the separator of the funnel structure can effectively prevent fish feces from flowing back after the fish feces are precipitated; the separator divides the interior of the pipe body into an upper part and a lower part, the lower part is used for collecting precipitated fish feces, and the upper part is used for sucking away filtered water through a water pump; the separator 5 is connected with the suction pipe 4; a plurality of sealing rubber rings 6 are arranged between the separator 5 and the pipe body 1, and the sealing rubber rings 6 are sleeved on the outer ring wall of the separator 5.

During the use, communicate the water pump socket on the water pump input end, with the vertical suitable position of placing at the bathtub of body, after opening the water pump, the inside negative pressure that produces of body, the water inlet through the straw bottom will contain the just water of breeding fish and flow into inside the filter screen through the straw other end after inhaling in the straw, utilize the just principle of water weight of fish to pass through inside the precipitation of filter screen, the light quilt stainless steel filter screen separation of proportion, the water of non-impurity can flow into in the body after filtering through the filter screen, reach water purification's purpose, after the water level reaches the take the altitude, discharge through the water pump, reach the continuous cycle effect, reduce the change number of times of breeding fish water, reduce inside cleaning frequency, reduce the cost of breeding fish.

Example 2

Referring to fig. 1 and 2, a water purification device for water treatment of a fish feces collector provided in embodiment 2 of the present invention includes a tube body 1, a top cover 2 and a bottom cover 3; the top cover 2 is sleeved at the top of the pipe body 1, and the bottom cover 3 is sleeved at the bottom of the pipe body 1; a suction pipe 4 is arranged inside the pipe body 1; the top cover 2 is provided with a water pump socket 21 communicated with the pipe body 1; the bottom of the bottom cover 3 is connected with a supporting mechanism; the bottom of the bottom cover 3 is provided with a water inlet 32 communicated with one end of the suction pipe 4; one end, far away from the water inlet 32, of the straw 4 is sleeved with a filtering device, the filtering device is communicated with the separator, the filtering device comprises a filter screen 7, the bottom of the filter screen 7 is connected with the top of the separator 5, the top of the filter screen 7 is connected with the bottom of the top cover 2, the filter screen 7 is of a cylindrical structure, and one end, far away from the water inlet 32, of the straw 4 is located inside the filter screen 7; one side of the bottom cover 4 is provided with a sewage outlet 31 communicated with the pipe body 1; a separator 5 is sleeved in the pipe body 1; the separator 5 is connected with the suction pipe 4; a plurality of sealing rubber rings 6 are arranged between the separator 5 and the pipe body 1, and the sealing rubber rings 6 are sleeved on the outer ring wall of the separator 5. During the use, communicate the water pump socket on the water pump input end, with the vertical suitable position of placing at the bathtub of body, after opening the water pump, the inside negative pressure that produces of body, the water inlet through the straw bottom will contain the just water of breeding fish and flow into inside the filter screen through the straw other end after inhaling in the straw, utilize the just principle of water weight of fish to pass through inside the precipitation of filter screen, the light quilt stainless steel filter screen separation of proportion, the water of non-impurity can flow into in the body after filtering through the filter screen, reach water purification's purpose, after the water level reaches the take the altitude, discharge through the water pump, reach the continuous cycle effect, reduce the change number of times of breeding fish water, reduce inside cleaning frequency, reduce the cost of breeding fish.

Preferably, the bottom cover 3 is provided with an inclined surface on the inner bottom surface; the bottom side wall is provided with a drain outlet, the drain outlet is arranged opposite to the inclined plane, and the bottom end of the inclined plane is level to the bottom end of the drain outlet.

The fish after the sediment falls into the bottom after entering the bottom of the pipe body through the separator and is discharged through the sewage draining outlet, the sewage draining outlet can be connected with an external pipeline during use, the bottom surface inside the bottom cover inclines to realize the purpose that the fish smoothly flows into the sewage draining outlet, and the accumulation of the fish is reduced.

Example 3

The water purification device for water treatment of the fish excrement collector provided by the embodiment 3 of the utility model, please refer to fig. 1 and 2, comprises a tube body 1, a top cover 2 and a bottom cover 3; the top cover 2 is sleeved at the top of the pipe body 1, and the bottom cover 3 is sleeved at the bottom of the pipe body 1; a suction pipe 4 is arranged inside the pipe body 1; the top cover 2 is provided with a water pump socket 21 communicated with the pipe body 1; the bottom of the bottom cover 3 is connected with a supporting mechanism; the bottom of the bottom cover 3 is provided with a water inlet 32 communicated with one end of the suction pipe 4; one end, far away from the water inlet 32, of the straw 4 is sleeved with a filtering device, the filtering device is communicated with the separator, the filtering device comprises a filter screen 7, the bottom of the filter screen 7 is connected with the top of the separator 5, the top of the filter screen 7 is connected with the bottom of the top cover 2, the filter screen 7 is of a cylindrical structure, and one end, far away from the water inlet 32, of the straw 4 is located inside the filter screen 7; one side of the bottom cover 4 is provided with a sewage outlet 31 communicated with the pipe body 1; a separator 5 is sleeved in the pipe body 1; the separator 5 is connected with the suction pipe 4; a plurality of sealing rubber rings 6 are arranged between the separator 5 and the pipe body 1, and the sealing rubber rings 6 are sleeved on the outer ring wall of the separator 5. During the use, communicate the water pump socket on the water pump input end, with the vertical suitable position of placing at the bathtub of body, after opening the water pump, the inside negative pressure that produces of body, the water inlet through the straw bottom will contain the just water of breeding fish and flow into inside the filter screen through the straw other end after inhaling in the straw, utilize the just principle of water weight of fish to pass through inside the precipitation of filter screen, the light quilt stainless steel filter screen separation of proportion, the water of non-impurity can flow into in the body after filtering through the filter screen, reach water purification's purpose, after the water level reaches the take the altitude, discharge through the water pump, reach the continuous cycle effect, reduce the change number of times of breeding fish water, reduce inside cleaning frequency, reduce the cost of breeding fish. The bottom surface in the bottom cover 3 is in an inclined structure, and the lowest point of the bottom surface in the bottom cover 3 is arranged corresponding to the sewage outlet 31. The fish after the sediment falls into the bottom after entering the bottom of the pipe body through the separator and is discharged through the sewage draining outlet, the sewage draining outlet can be connected with an external pipeline during use, the bottom surface inside the bottom cover inclines to realize the purpose that the fish smoothly flows into the sewage draining outlet, and the accumulation of the fish is reduced.

Preferably, the supporting mechanism includes eight shock-absorbing pads 33 vertically connected to the bottom of the bottom cover 3. Eight shock absorbing pads 33 are evenly distributed on one circle at the bottom of the bottom cover 3, and a gap exists between two adjacent shock absorbing pads 33. The shock pad is additionally arranged, so that the water pump is prevented from generating resonance with the fish tank during working and making a sound.

Further preferably, the bottom of the shock pad 33 is embedded with a magnet 34. 2 magnets are arranged at the opposite angles of the shock pad and form a mutual adsorption effect with the other 2 magnets outside the glass at the bottom of the fish tank, so that the effect of preventing the collector from inclining is achieved.

Referring to fig. 3, the supporting mechanism further includes an annular slide rail 35, and the bottom of the bottom cover 3 is provided with an annular slide groove 36 slidably matched with the annular slide rail 35; one side of the annular slide rail 35, which is far away from the annular slide groove 36, is vertically connected with a plurality of baffles 37; the baffles 37 are disposed in one-to-one correspondence with the cushions 33.

During the use, through rotating annular slide rail, make the position of shock pad and baffle stagger, reduce the gap of intaking, reduce the volume of intaking, prevent that the less fish of volume from being inhaled, the gap is adjusted according to the in service behavior.

Example 3

The water purification device for water treatment of the fish excrement collector provided by the embodiment 3 of the utility model, please refer to fig. 1 and 2, comprises a tube body 1, a top cover 2 and a bottom cover 3; the top cover 2 is sleeved at the top of the pipe body 1, and the bottom cover 3 is sleeved at the bottom of the pipe body 1; a suction pipe 4 is arranged inside the pipe body 1; the top cover 2 is provided with a water pump socket 21 communicated with the pipe body 1; the bottom of the bottom cover 3 is connected with a supporting mechanism; the bottom of the bottom cover 3 is provided with a water inlet 32 communicated with one end of the suction pipe 4; one end, far away from the water inlet 32, of the straw 4 is sleeved with a filtering device, the filtering device is communicated with the separator, the filtering device comprises a filter screen 7, the bottom of the filter screen 7 is connected with the top of the separator 5, the top of the filter screen 7 is connected with the bottom of the top cover 2, the filter screen 7 is of a cylindrical structure, and one end, far away from the water inlet 32, of the straw 4 is located inside the filter screen 7; one side of the bottom cover 4 is provided with a sewage outlet 31 communicated with the pipe body 1; a separator 5 is sleeved in the pipe body 1; the separator 5 is connected with the suction pipe 4; a plurality of sealing rubber rings 6 are arranged between the separator 5 and the pipe body 1, and the sealing rubber rings 6 are sleeved on the outer ring wall of the separator 5. During the use, communicate the water pump socket on the water pump input end, with the vertical suitable position of placing at the bathtub of body, after opening the water pump, the inside negative pressure that produces of body, the water inlet through the straw bottom will contain the just water of breeding fish and flow into inside the filter screen through the straw other end after inhaling in the straw, utilize the just principle of water weight of fish to pass through inside the precipitation of filter screen, the light quilt stainless steel filter screen separation of proportion, the water of non-impurity can flow into in the body after filtering through the filter screen, reach water purification's purpose, after the water level reaches the take the altitude, discharge through the water pump, reach the continuous cycle effect, reduce the change number of times of breeding fish water, reduce inside cleaning frequency, reduce the cost of breeding fish. The bottom surface in the bottom cover 3 is in an inclined structure, and the lowest point of the bottom surface in the bottom cover 3 is arranged corresponding to the sewage outlet 31. The fish after the sediment falls into the bottom after entering the bottom of the pipe body through the separator and is discharged through the sewage draining outlet, the sewage draining outlet can be connected with an external pipeline during use, the bottom surface inside the bottom cover inclines to realize the purpose that the fish smoothly flows into the sewage draining outlet, and the accumulation of the fish is reduced. The support mechanism includes eight shock-absorbing pads 33 vertically connected to the bottom of the bottom cover 3. Eight shock absorbing pads 33 are evenly distributed on one circle at the bottom of the bottom cover 3, and a gap exists between two adjacent shock absorbing pads 33. The shock pad is additionally arranged, so that the water pump is prevented from generating shock together with the fish tank during working and being sounded. The bottom of the shock pad 33 is embedded with a magnet 34. 2 magnets are arranged at the opposite angles of the shock pad and form a mutual adsorption effect with the other 2 magnets outside the glass at the bottom of the fish tank, so that the effect of preventing the collector from inclining is achieved.

In the preferred embodiment, the end of the suction pipe 4 far away from the water inlet 32 is connected with the auxiliary sedimentation cap 8; the outer ring wall of the auxiliary precipitation cap 8 is provided with a plurality of water outlet holes 81 communicated with the suction pipe 4. The top of the top cover 2 is provided with an oil film socket 9 communicated with the pipe body 1, and the top cover of the oil film socket 9 is provided with a detachable sealing cover. The upper end of the suction pipe adopts an auxiliary precipitation cap structure, so that the situation that the upper end is impacted upwards by fish dung in work to cause poor precipitation effect can be reduced to the maximum extent, and the suction pipe and the oil film suction pipe at the upper end are isolated and do not interfere with each other. The suction pipe 4, the pipe body 1, the top cover 2, the bottom cover 3 and the filtering device are positioned on the same axial line.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. A water treatment and purification device of a fish excrement collector is characterized by comprising a pipe body, a top cover and a bottom cover; the top cover is sleeved at the top of the pipe body, and the bottom cover is sleeved at the bottom of the pipe body; a suction pipe is arranged inside the pipe body; the top cover is provided with a water pump socket communicated with the pipe body; the bottom of the bottom cover is connected with a supporting mechanism capable of adjusting the water inlet volume; the bottom of the bottom cover is provided with a water inlet communicated with one end of the suction pipe; one end of the suction pipe, which is far away from the water inlet, is sleeved with a filtering device; a sewage draining outlet communicated with the pipe body is formed in one side of the bottom cover; the separator is sleeved inside the pipe body; the separator is connected with the suction pipe; a plurality of sealing rubber rings are arranged between the separator and the pipe body, and the sealing rubber rings are sleeved on the outer ring wall of the separator.

2. The water purifying device for fish excrement collector water treatment as claimed in claim 1, wherein the bottom cover is provided with an inclined surface on the inner bottom surface; the bottom side wall is provided with a sewage draining exit which is arranged opposite to the inclined plane.

3. The water purifying device for fish excrement collector water treatment as claimed in claim 1, wherein the supporting mechanism comprises a plurality of shock-absorbing pads vertically connected to the bottom of the bottom cover, and magnets are embedded in the bottoms of the shock-absorbing pads.

4. The water purifying device for fish feces collector water treatment as claimed in claim 3, wherein a plurality of said shock absorbing pads are uniformly distributed on a circle at the bottom of said bottom cover, and a gap is reserved between two adjacent shock absorbing pads.

5. The water purifying device for water treatment of the fish excrement collector as claimed in claim 3, wherein the supporting mechanism further comprises an annular slide rail, and an annular slide groove matched with the annular slide rail is formed at the bottom of the bottom cover in a sliding manner; one side of the annular slide rail, which is far away from the annular slide groove, is vertically connected with a plurality of baffles; the plurality of baffles and the plurality of shock pads are arranged in a one-to-one correspondence mode.

6. The fish and excrement collector water treatment purifying device as claimed in claim 1, wherein the filtering means comprises a strainer, the bottom of the strainer being connected to the top of the separator, and the top of the strainer being connected to the bottom of the top cover.

7. The water purifying device for fish excrement collector water treatment as claimed in claim 6, wherein the filter screen is a cylindrical structure, and one end of the suction pipe, which is far away from the water inlet, is positioned inside the filter screen.

8. The water purifying device for fish excrement collector water treatment as claimed in claim 1, wherein an auxiliary settling cap is connected to one end of the suction pipe away from the water inlet; the outer ring wall of the auxiliary precipitation cap is provided with a plurality of water outlet holes communicated with the suction pipe.

9. The water purifying device for water treatment of the fish excrement collector as claimed in claim 1, wherein an oil film socket communicated with the tube body is formed at the top of the top cover, and the top cover of the oil film socket is provided with a detachable sealing cover.

10. The water purifying device for fish excrement collector water treatment as claimed in claim 1, wherein the suction pipe, the pipe body, the top cover, the bottom cover and the filtering device are located on the same axis.