CN218834006U - Grinding ventilation cabinet with dust collection function - Google Patents

Abstract

The utility model relates to a fume chamber technical field specifically is a take dust to collect grinding fume chamber of function, including grinding the fume chamber, the top of grinding the fume chamber is provided with first collecting box, air exhauster and second collecting box. The utility model has the advantages that: through first collecting box, the filter screen, the active carbon adsorption board, the air exhauster, communicating pipe, the second collecting box, the water tank, the second motor, the apparatus further comprises a rotating shaft, stirring fan blades, cooperation between blast pipe and the dust sticky plate, carry out the filtration collection operation of dust to the wind of grinding the inside extraction in storehouse, the effect that makes the dust collection in the air is better, effectively guarantee to grind the wind of fume chamber extraction and can not influence environment on every side, through first motor, the lead screw, the thread piece, the cleaning brush, the kicking block, the collecting vat, reset plate, the direction slope, the lagging, the fixed axle, the cooperation between even board and the spring will be attached to the dust of filter screen one side and clear away the operation, can guarantee the filtration collection effect of filter screen.

Description

Grinding ventilation cabinet with dust collection function

Technical Field

The utility model relates to a fume chamber technical field, especially a take dust to collect grinding fume chamber of function.

Background

Cabinet type exhaust hoods are commonly known as fumehoods and are similar to enclosures. The small parts spray-painting cabinet and the chemical laboratory fume hood are typical structures of cabinet type exhaust hoods. A large-scale chamber type ventilation cabinet has a completely opened side surface, and an operator works in the cabinet and is mainly used for large-scale paint spraying, powder bagging and the like. The working opening of the fume hood has great influence on the air flow distribution in the hood, the air flow distribution directly influences the working effect of the cabinet type exhaust hood, and the grinding fume hood entering experiment operation can be used when grinding operation is carried out in a laboratory.

But current grinding fume chamber still has some shortcomings in the in-process that uses, and the current general is to filter the collection operation through the filter screen to the produced dust of grinding fume chamber, but can produce a large amount of dust when carrying out the grinding operation, makes the mesh take place to block up easily when the long-time filtration of filter screen is collected the operation, and the effect of collecting simultaneously is relatively poor.

SUMMERY OF THE UTILITY MODEL

The purpose of the present invention is to solve at least one of the technical drawbacks.

Therefore, an object of the utility model is to provide a take dust to collect grinding fume chamber of function to solve the problem mentioned in the background art, overcome the not enough that exists among the prior art.

In order to achieve the above object, an embodiment of the utility model provides a take dust to collect grinding fume chamber of function, including grinding the fume chamber, the top of grinding the fume chamber is provided with first collecting box, air exhauster and second collecting box, the inside of first collecting box is provided with filter screen and active carbon adsorption plate, the top fixed mounting of first collecting box has first motor, there is the lead screw one side of first motor through shaft coupling fixed mounting, the surface threaded connection of lead screw has the screw thread piece, one side fixed mounting of screw thread piece has the cleaning brush, the inside of first collecting box is provided with collecting vat and resetting means, the inside fixed mounting of second collecting box has the water tank, the top fixed mounting of water tank has the second motor, there is the pivot one side of second motor through shaft coupling fixed mounting, the fixed surface of pivot installs stirring fan blade, the inside of second collecting box is provided with the dust sticky plate, and the technological effect that adopts above-mentioned scheme to reach is: air exhauster operation then makes the inside air of grinding the storehouse enter into the inside of first collecting box through adsorbing mouthful and adsorption tube, then can carry out the first time filtration through filter screen and active carbon adsorption plate to the dust in the air and collect the operation, then the air is in the inside that enters into the water tank through communicating pipe, then second motor operation drives pivot and stirring fan blade and rotates and make the inside water of water tank to swash and to get up thereby carry out the secondary and adsorb the collection operation to the dust in the air, then the air is in the inside that enters into the second collecting box from the blast pipe and with the surface contact of dust sticky plate, then the dust sticky plate bonds the collection operation to the dust in the air, thereby can make the collection effect to the dust better.

Preferred by any of the above-mentioned scheme, the middle part of grinding the fume chamber is provided with grinds the storehouse, the inner wall fixed mounting who grinds the storehouse has the absorption mouth, the one end fixed mounting who adsorbs the mouth has the adsorption tube, the one end fixed mounting who adsorbs the mouth is kept away from to the adsorption tube has first collecting box, the top of grinding the fume chamber is provided with the equipment storehouse, and the technical effect who adopts above-mentioned scheme to reach is: through the cooperation of adsorbing mouth, adsorption tube and air exhauster can be with the air of grinding the storehouse inside extraction and dust filtration.

Preferred by any of the above-mentioned schemes, the inside fixed mounting in equipment compartment has first collecting box, air exhauster and second collecting box, the top in equipment compartment is rotated and is connected with the rotation top cap, the equal fixed mounting in both sides of air exhauster has communicating pipe, two the one end of keeping away from the air exhauster communicating pipe is connected with one side of first collecting box and second collecting box respectively, one side fixed mounting of filter screen and active carbon adsorption plate has first mounting panel, and the technological effect that adopts above-mentioned scheme to reach is: can communicate exhaust fan and first collecting box and second collecting box through communicating pipe to can carry out multiple absorption collection operation.

Preferably by any of the above schemes, the top of the first collecting box is provided with a mounting groove matched with the first mounting plate, the inside of the first collecting box is provided with a filtering bin and a collecting bin, the inner wall of the filtering bin is provided with two sliding grooves, the number of the sliding grooves is two, the sliding grooves are symmetrically distributed on two sides of the filtering bin, one is provided with a screw rod inside the sliding groove, and the technical effect achieved by adopting the above schemes is as follows: can filter the dust in the air through filtering the storehouse and store the operation, then the rethread is collected the storehouse and can be carried out the secondary with the dust that the filter screen surface cleaned down and collect the operation.

By any of the above-mentioned scheme preferred, the width of spout is unanimous with the width of screw thread piece, the inner wall sliding connection of spout has the screw thread piece, the bottom of crossing the filter bin is provided with the collecting vat, the surface contact of one side of cleaning brush and filter screen adopts the technological effect that above-mentioned scheme reached to be: can prescribe a limit to the operation through the spout to the lift of screw thread piece for can keep ascending and descend and clean the operation to the surface of filter screen, can spill equipment compartment through rotating the top cap simultaneously, conveniently maintain the operation.

Preferred by any of the above-mentioned scheme, resetting means is including restoring to the throne board, direction slope, lagging, fixed axle, even board and spring, the both sides fixed mounting that restores to the throne board has the lagging, the top fixedly connected with direction slope that restores to the throne board, the top fixed mounting who collects the storehouse inner wall has the fixed axle, the one end fixed mounting of fixed axle has even board, the top fixed mounting who links the board has the spring, the sliding surface of fixed axle has the lagging, the spring is kept away from even one end of board and is connected with the bottom of lagging, and the technological effect that adopts above-mentioned scheme to reach is: thereby the kicking block descends to exerting pressure to the direction slope and making the board that resets descend, then make the collecting vat leak the inside of making the dust at its top to slide along the surface on direction slope to the collecting bin and collect the operation, then the rising of kicking block makes the spring take place to kick-back and makes the board that resets and the position of direction slope reset the position of collecting vat carry out the shutoff to prevent that the dust from splashing.

It is preferred by any preceding scheme, the top fixed mounting of second collecting box has the second mounting panel, the bottom fixed mounting of second mounting panel has the dust sticky board, the surface of dust sticky board is provided with the through-hole, pivot and stirring fan blade are located the inside of water tank, the top fixed mounting of water tank has the blast pipe, one side fixed mounting of second collecting box has filler pipe and drain pipe, filler pipe and drain pipe and water tank intercommunication, one side of second collecting box is provided with the discharge pipe, and the technological effect that adopts above-mentioned scheme to reach is: second motor operation drives pivot and stirring fan blade and rotates so that the inside water of water tank is shaken and is got up thereby dust to in the air carries out the secondary and adsorbs the collection operation, then the air is in the inside that enters into the second collecting box from the inside of blast pipe and with the surface contact of dust sticky plate, then the dust sticky plate bonds the collection operation to the dust in the air, thereby can make the collection effect to the dust better, then the discharge pipe of rethread second collecting box one side is with air escape, can conveniently change the operation to the inside water of water tank through filler pipe and drain pipe.

The embodiment of the utility model provides a take dust to collect grinding fume chamber of function, this embodiment is changed first motor into electric telescopic handle on the basis of above-mentioned embodiment, drives the screw thread piece through the electric telescopic handle operation and rises and descend the operation, can make cleaning speed faster.

Compared with the prior art, the utility model has the advantages and beneficial effects of do:

1. this take dust to collect grinding fume chamber of function, through first collecting box, the filter screen, the activated carbon adsorption board, the air exhauster, communicating pipe, the second collecting box, the water tank, the second motor, the apparatus further comprises a rotating shaft, stirring fan blade, the cooperation between blast pipe and the dust adhesive plate, can carry out the filtration collection operation of dust to the wind of grinding the inside extraction in storehouse, can make the effect of collecting the dust in the air better, thereby can effectively guarantee to grind the wind of fume chamber extraction and can not influence the environment on every side.

2. This take dust to collect grinding fume chamber of function can clear away the operation with the dust of adhering to in filter screen one side through the cooperation between first motor, lead screw, thread piece, cleaning brush, kicking block, collecting vat, the board that resets, direction slope, lagging, fixed axle, even board and the spring to can guarantee the filtration collection effect of filter screen.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic cross-sectional structure diagram according to a first embodiment of the present invention;

fig. 3 is a schematic structural view of a position a according to a first embodiment of the present invention;

fig. 4 is a schematic structural diagram of a location B in the first embodiment of the present invention;

fig. 5 is a schematic structural view of a resetting device according to a first embodiment of the present invention;

fig. 6 is a schematic view of a partial structure according to a first embodiment of the present invention.

Wherein: 1-grinding fume hood, 2-grinding bin, 3-equipment bin, 4-adsorption port, 5-adsorption pipe, 6-first collection box, 7-exhaust fan, 8-communicating pipe, 9-second collection box, 10-first mounting plate, 11-filter screen, 12-activated carbon adsorption plate, 13-first motor, 14-lead screw, 15-threaded block, 16-cleaning brush, 17-top block, 18-collection tank, 19-resetting device, 1901-resetting plate, 1902-guide slope, 1903-sleeve plate, 1904-fixed shaft, 1905-connecting plate, 1906-spring, 20-filtering bin, 21-collection bin, 22-chute, 23-water tank, 24-second motor, 25-rotating shaft, 26-stirring fan blade, 27-exhaust pipe, 28-second mounting plate, 29-dust sticky plate, 30-rotating top cover, 31-water feeding pipe, 32-water discharge pipe.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

The first embodiment is as follows: as shown in fig. 1 to 6, a grinding fume hood with a dust collecting function comprises a grinding fume hood 1, a first collecting box 6, an exhaust fan 7 and a second collecting box 9 are arranged at the top of the grinding fume hood 1, a filter screen 11 and an activated carbon adsorption plate 12 are arranged inside the first collecting box 6, a first motor 13 is fixedly installed at the top of the first collecting box 6, a lead screw 14 is fixedly installed at one side of the first motor 13 through a coupler, a threaded block 15 is connected to the surface of the lead screw 14 in a threaded manner, a cleaning brush 16 is fixedly installed at one side of the threaded block 15, a collecting tank 18 and a resetting device 19 are arranged inside the first collecting box 6, a water tank 23 is fixedly installed inside the second collecting box 9, a second motor 24 is fixedly installed at the top of the water tank 23, a rotating shaft 25 is fixedly installed at one side of the second motor 24 through the coupler, a stirring fan blade 26 is fixedly installed at the surface of the rotating shaft 25, a dust adhesion plate 29 is arranged inside the second collecting box 9, the exhaust fan 7 operates to enable air inside the grinding bin 2 to enter the first collecting box 6 through an adsorption port 4 and an adsorption pipe 5, then the dust in the air can be filtered and collected for the first time through the filter screen 11 and the activated carbon adsorption plate 12, then the air enters the inside of the water tank 23 through the communicating pipe 8, then the second motor 24 operates to drive the rotating shaft 25 and the stirring fan blades 26 to rotate, so that the water in the water tank 23 is agitated, and the dust in the air is subjected to secondary adsorption and collection operation, the air then enters the interior of the second collection bin 9 from the interior of the exhaust duct 27 and comes into contact with the surface of the dust sticky plate 29, then, the dust adhering plate 29 performs an adhering and collecting operation on the dust in the air, so that the dust collecting effect can be better.

As an optional technical scheme of the utility model, the middle part of grinding fume chamber 1 is provided with grinds storehouse 2, the inner wall fixed mounting who grinds storehouse 2 has absorption mouth 4, the one end fixed mounting who adsorbs mouth 4 has adsorption tube 5, the one end fixed mounting who adsorbs mouth 4 is kept away from to adsorption tube 5 has first collecting box 6, the top of grinding fume chamber 1 is provided with equipment storehouse 3, can extract and dust filter the air that grinds storehouse 2 inside through the cooperation of adsorbing mouth 4, adsorption tube 5 and air exhauster 7.

As an optional technical scheme of the utility model, the inside fixed mounting of equipment storehouse 3 has first collecting box 6, air exhauster 7 and second collecting box 9, the top of equipment storehouse 3 is rotated and is connected with rotation top cap 30, the equal fixed mounting in both sides of air exhauster 7 has communicating pipe 8, two one ends that air exhauster 7 was kept away from to communicating pipe 8 are connected with one side of first collecting box 6 and second collecting box 9 respectively, one side fixed mounting of filter screen 11 and active carbon adsorption plate 12 has first mounting panel 10, can communicate air exhauster 7 with first collecting box 6 and second collecting box 9 through communicating pipe 8, thereby can carry out multiple absorption collection operation.

As an optional technical scheme of the utility model, the top of first collecting box 6 is provided with the mounting groove with first mounting panel 10 looks adaptation, the inside of first collecting box 6 is provided with filters storehouse 20 and collects storehouse 21, the inner wall of filtering storehouse 20 is provided with spout 22, spout 22's quantity is two, two spout 22 symmetric distributions are in the both sides of filtering storehouse 20, the inside of a spout 22 is provided with lead screw 14, can filter the dust in the air through filtering storehouse 20 and store the operation, then the rethread is collected storehouse 21 and can be carried out the secondary with the dust that filter screen 11 surface cleaned off and collect the operation.

As an optional technical scheme of the utility model, the width of spout 22 is unanimous with the width of screw thread piece 15, the inner wall sliding connection of spout 22 has screw thread piece 15, the bottom of crossing filter bin 20 is provided with collecting vat 18, one side of cleaning brush 16 and the surface contact of filter screen 11, can prescribe a limit to the operation to the lift of screw thread piece 15 through spout 22, make can keep rising and descend and clean the operation to the surface of filter screen 11, can spill equipment compartment 3 through rotating top cap 30 simultaneously, conveniently maintain the operation.

As an optional technical scheme of the utility model, resetting means 19 includes reset plate 1901, direction slope 1902, lagging 1903, fixed axle 1904, link board 1905 and spring 1906, reset plate 1901's both sides fixed mounting has lagging 1903, reset plate 1901's top fixedly connected with direction slope 1902, the top fixed mounting of collecting bin 21 inner wall has fixed axle 1904, fixed axle 1904's one end fixed mounting has link board 1905, link board 1905's top fixed mounting has spring 1906, fixed axle 1904's sliding surface is connected with lagging 1903, spring 1906 keeps away from the one end of linking board 1905 and is connected with lagging 1903's bottom, kicking block 17 descends to direction slope applys pressure thereby make reset board 1901 descend, then make collecting vat 18 spill the dust that makes its top slide along the surface of direction slope to the inside of collecting bin 21 and collect the operation, then the rising of kicking block 17 makes spring 1906 take place to kick-back and makes reset board 1901 and direction slope 1902 carry out the shutoff to collecting vat 18's position, thereby prevent to splash.

As an optional technical scheme of the utility model, the top fixed mounting of second collecting box 9 has second mounting panel 28, the bottom fixed mounting of second mounting panel 28 has dust sticky board 29, the surface of dust sticky board 29 is provided with the through-hole, pivot 25 and stirring fan blade 26 are located the inside of water tank 23, the top fixed mounting of water tank 23 has blast pipe 27, one side fixed mounting of second collecting box 9 has filler pipe 31 and drain pipe 32, filler pipe 31 and drain pipe 32 and water tank 23 intercommunication, one side of second collecting box 9 is provided with the discharge pipe, second motor 24 operation drives pivot 25 and stirring fan blade 26 rotates and makes the inside water of water tank 23 swash and get up thereby carry out the secondary to the dust in the air and adsorb the collection operation, then the air is entering into the inside of second collecting box 9 and with dust sticky board 29's surface contact from the inside of blast pipe 27, then dust sticky board 29 bonds the collection operation to the dust in the air, thereby can make the collection effect to the dust better, then the discharge pipe of rethread second collecting box 9 one side discharges the air, can conveniently change the water of water tank 23 inside through filler pipe 31 and 32 and carry out the operation.

The utility model provides a take dust to collect grinding fume chamber of function, theory of operation as follows: the operation of the exhaust fan 7 then causes the air inside the grinding bin 2 to enter the inside of the first collection box 6 through the adsorption port 4 and the adsorption pipe 5, then the air can be collected by first filtering the dust in the air through the filter screen 11 and the activated carbon adsorption plate 12, then the air enters the inside of the water tank 23 through the communication pipe 8, then the second motor 24 operates to drive the rotating shaft 25 and the stirring fan blades 26 to rotate so that the water inside the water tank 23 is agitated, thereby carrying out secondary adsorption collection operation on the dust in the air, then the air enters the inside of the second collection box 9 from the inside of the exhaust pipe 27 and contacts with the surface of the dust adhesion plate 29, then the dust adhesion plate 29 carries out adhesion collection operation on the dust in the air, thereby enabling the dust collection effect to be better, the lead screw 14 of the operation belt of the first motor 13 rotates, the rotation thread block 15 is driven by the rotation of the screw 14 to move downwards along the chute 22, then the cleaning brush 16 sweeps the dust on one side of the filter screen 11 so that the dust falls on the top of the guide slope 1902, then the top block 17 descends to exert pressure on the guide chute 1901 so that the reset spring 1901 of the slope guide chute 1902 and the reset groove 1901 causes the dust collection groove 18 to be cleaned, and then the reset operation of the reset groove 1902 and the reset groove 17 to perform reset operation on the reset operation of the slope collection groove 18, so that the reset groove 18 and the reset groove 18.

To sum up, this grinding fume chamber of function is collected to area dust, through first collecting box 6, filter screen 11, active carbon adsorption plate 12, air exhauster 7, communicating pipe 8, second collecting box 9, water tank 23, second motor 24, pivot 25, stirring vane 26, cooperation between blast pipe 27 and the dust adhesion plate 28, can carry out the filtration collection operation of dust to the wind of grinding 2 inside taking out, can make the effect of collecting the dust in the air better, thereby can effectively guarantee to grind the wind of taking out of fume chamber 1 and can not influence surrounding environment, through first motor 13, lead screw 14, thread block 15, cleaning brush 16, kicking block 17, the collecting vat 18, board 1901 resets, direction slope, lagging 1903, fixed axle 1904, cooperation between even board 1905 and the spring 1906 can clear away the operation with the dust that adheres to filter screen 11 one side 1902, thereby can guarantee the filtration collection effect of filter screen 11.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It will be appreciated by persons skilled in the art that any combination of the elements of the invention, including the description and specific embodiments set forth in the foregoing description and illustrated in the accompanying drawings, is not to be construed as limiting the scope of the invention and that no single element or combination of elements or components is shown in the detail or detail order to avoid obscuring the description. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the invention, and that those skilled in the art may make variations, modifications, substitutions and alterations herein without departing from the spirit and scope of the invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a take dust to collect grinding fume chamber of function, is including grinding fume chamber (1), its characterized in that: the grinding ventilation cabinet is characterized in that a first collecting box (6), an exhaust fan (7) and a second collecting box (9) are arranged at the top of the grinding ventilation cabinet (1), a filter screen (11) and an activated carbon adsorption plate (12) are arranged inside the first collecting box (6), a first motor (13) is fixedly arranged at the top of the first collecting box (6), a lead screw (14) is fixedly arranged on one side of the first motor (13) through a coupler, a threaded block (15) is connected to the surface of the lead screw (14), a cleaning brush (16) is fixedly arranged on one side of the threaded block (15), a collecting groove (18) and a resetting device (19) are arranged inside the first collecting box (6), a water tank (23) is fixedly arranged inside the second collecting box (9), a second motor (24) is fixedly arranged at the top of the water tank (23), a rotating shaft (25) is fixedly arranged on one side of the second motor (24), stirring fan blades (26) are fixedly arranged on the surface of the rotating shaft (25), and a dust adhesion plate (29) is arranged inside the second collecting box (9).

2. The grinding fume hood with dust collection function of claim 1, wherein: the middle part of grinding fume chamber (1) is provided with grinds storehouse (2), the inner wall fixed mounting who grinds storehouse (2) has absorption mouth (4), the one end fixed mounting who adsorbs mouth (4) has adsorption tube (5), the one end fixed mounting who keeps away from absorption mouth (4) of adsorption tube (5) has first collecting box (6), the top of grinding fume chamber (1) is provided with equipment storehouse (3).

3. A grinding fume hood with dust collection function according to claim 2, characterized in that: the inside fixed mounting of equipment storehouse (3) has first collecting box (6), air exhauster (7) and second collecting box (9), the top of equipment storehouse (3) is rotated and is connected with rotation top cap (30), the equal fixed mounting in both sides of air exhauster (7) has communicating pipe (8), two the one end of air exhauster (7) is kept away from in communicating pipe (8) is connected with one side of first collecting box (6) and second collecting box (9) respectively, one side fixed mounting of filter screen (11) and active carbon adsorption plate (12) has first mounting panel (10).

4. A grinding fume hood with dust collection function according to claim 3, characterized in that: the top of first collecting box (6) is provided with the mounting groove with first mounting panel (10) looks adaptation, the inside of first collecting box (6) is provided with filters storehouse (20) and collects storehouse (21), the inner wall of filtering storehouse (20) is provided with spout (22), the quantity of spout (22) is two, two spout (22) symmetric distribution is in the both sides of filtering storehouse (20), one the inside of spout (22) is provided with lead screw (14).

5. A grinding fume hood with dust collection function according to claim 4, characterized in that: the width of spout (22) is unanimous with the width of screw thread piece (15), the inner wall sliding connection of spout (22) has screw thread piece (15), the bottom of filtering storehouse (20) is provided with collecting vat (18), one side of cleaning brush (16) and the surface contact of filter screen (11).

6. A grinding fume hood with dust collection function according to claim 5, characterized in that: resetting means (19) including board (1901) that resets, direction slope (1902), lagging (1903), fixed axle (1904), link board (1905) and spring (1906), the both sides fixed mounting that resets board (1901) has lagging (1903), the top fixedly connected with direction slope (1902) of board (1901) that resets, the top fixed mounting who collects storehouse (21) inner wall has fixed axle (1904), the one end fixed mounting of fixed axle (1904) has even board (1905), the top fixed mounting who links board (1905) has spring (1906), the surface sliding connection of fixed axle (1904) has lagging (1903), the one end that even board (1905) was kept away from in spring (1906) is connected with the bottom of lagging (1903).

7. A grinding fume hood with dust collection function according to claim 6, characterized in that: the top fixed mounting of second collecting box (9) has second mounting panel (28), the bottom fixed mounting of second mounting panel (28) has dust adhesive plate (29), the surface of dust adhesive plate (29) is provided with the through-hole, pivot (25) and stirring fan blade (26) are located the inside of water tank (23), the top fixed mounting of water tank (23) has blast pipe (27), one side fixed mounting of second collecting box (9) has filler pipe (31) and drain pipe (32), filler pipe (31) and drain pipe (32) and water tank (23) intercommunication, one side of second collecting box (9) is provided with the discharge pipe.

Images