CN114947658B - Dust box and floor sweeping machine - Google Patents
Dust box and floor sweeping machine Download PDFInfo
- Publication number
- CN114947658B CN114947658B CN202210640957.7A CN202210640957A CN114947658B CN 114947658 B CN114947658 B CN 114947658B CN 202210640957 A CN202210640957 A CN 202210640957A CN 114947658 B CN114947658 B CN 114947658B
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- Prior art keywords
- dust
- air
- inner cavity
- support frame
- dust box
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- 239000000428 dust Substances 0.000 title claims abstract description 286
- 238000010408 sweeping Methods 0.000 title description 3
- 238000007599 discharging Methods 0.000 claims description 30
- 238000001914 filtration Methods 0.000 claims description 17
- 241001417527 Pempheridae Species 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 description 20
- 230000000694 effects Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/24—Floor-sweeping machines, motor-driven
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4027—Filtering or separating contaminants or debris
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The dust box comprises a dust box body and a gas valve assembly, wherein an inner cavity, an upper air channel, a dust inlet and a dust exhaust port are formed in the dust box body, the inner cavity is communicated with the upper air channel, the gas valve assembly is arranged at the top of the inner cavity, the first end of the gas valve assembly is communicated with the upper air channel, the second end of the gas valve assembly is communicated with the inner cavity, when the dust box performs dust collection work, the dust exhaust port and the gas valve assembly are closed, airflow carrying dust can only flow out of the upper air channel after being brought into the inner cavity from the dust inlet, and when the dust box performs dust exhaust work, the gas valve assembly can be opened under the suction action of a work station, the airflow flows into the inner cavity from the top of the inner cavity after flowing through the gas valve assembly from the upper air channel, so that dust accumulated at the bottom of the dust box can be washed away, and then flows out from the dust exhaust port and brings the dust into the work station, and the problems that dust is easy to be accumulated in the lower part of the dust inlet, dust is not thoroughly accumulated in the dust collection part in the prior art, and the space utilization rate of the dust box is affected in the next work can be effectively solved.
Description
Technical Field
The application relates to the field of intelligent cleaning equipment, in particular to a dust box and a sweeper.
Background
With the development of intelligent household equipment, more and more intelligent household equipment enters into ordinary families to provide convenience service for users, and the sweeper is favored by more and more users due to the automatic sweeping function.
The dust box is characterized in that the dust box is provided with a dust discharge port, a dust discharge port is connected with the dust discharge port, and the dust discharge port is connected with the dust discharge port.
In the prior art, in order to enable the dust box to bear more dust, the dust inlet is usually arranged at a position which is a certain distance away from the dust box, but when the workstation sucks garbage from the dust outlet, the air flow generated by the workstation fan is easy to directly flow from the dust inlet of the dust box to the dust outlet of the dust box, and the lower part of the dust inlet is easy to be an area where the air flow does not circulate, so that dust and garbage are easy to be accumulated on the lower part of the dust inlet, the dust is not thoroughly discharged, and the space utilization rate of the dust box in the next working process is affected.
Disclosure of Invention
The application provides a dust box, which aims to solve the problems that dust and garbage are easy to accumulate at the lower part of a dust inlet, so that dust is not thoroughly discharged and the space utilization rate of the dust box is affected when the dust box works next time in the prior art.
In order to solve the above problems, the present application provides, in a first aspect, a dust box comprising:
The dust box comprises a dust box body, wherein an inner cavity, an upper layer air flue, a dust inlet and a dust exhaust port are arranged in the dust box body, and a vent hole and a filter element are arranged between the inner cavity and the upper layer air flue;
the air valve assembly is arranged at the top of the inner cavity, the first end of the air valve assembly is communicated with the upper air duct, and the second end of the air valve assembly is communicated with the inner cavity;
When the dust box performs dust collection, the dust inlet is opened, the dust exhaust port and the air valve assembly are closed, and under the suction action of the fan, air flow brings dust into the inner cavity from the dust inlet, and the dust flows out of the upper air duct after passing through the vent hole and the filter element;
When the dust box executes dust discharging work, the dust discharging port is in butt joint with the workstation, the air valve assembly is opened under the suction action of the workstation, air flow passes through the air valve assembly from the upper air channel and then enters the inner cavity, and then flows out of the dust discharging port and brings dust into the workstation.
Preferably, the dust box body comprises an upper cover and a lower cover, the upper cover is detachably connected with the lower cover, a groove is formed in the lower cover, the dust inlet and the dust outlet are formed in the side wall of the groove, the upper air duct and the air valve assembly are arranged on the upper cover, when the upper cover and the lower cover are covered, the upper cover and the groove are matched to form an inner cavity, the first end of the air valve assembly is communicated with the upper air duct, the second end of the air valve assembly is communicated with the inner cavity, the vent hole is formed in one side, close to the inner cavity, of the upper cover, the filter element is arranged on the upper cover, and the filter element can cover the vent hole.
Preferably, the air valve assembly comprises a one-way valve, a support frame, a fixing piece and a spring, wherein the support frame is arranged on the upper cover, the first end of the one-way valve penetrates through the support frame and then is connected with the fixing piece, the one-way valve can move relative to the support frame, the spring is sleeved on the first end of the one-way valve, the first end of the spring is connected with the fixing piece, the second end of the spring is propped against the support frame, an air inlet hole is formed in the support frame, and the second end of the one-way valve is communicated with the inner cavity;
when the dust box performs dust collection, the second end of the one-way valve just abuts against the support frame under the action of the spring to enable the air inlet to be closed, and under the action of suction force of the fan, air flow brings dust into the inner cavity from the dust inlet, and then flows out of the upper air channel after passing through the vent hole and the filter piece;
When the dust box executes dust discharging work, the spring is compressed under the suction action of the work station, the second end of the one-way valve is separated from the support frame, the air inlet is opened, air flows from the upper air channel to the inner cavity through the air inlet and then flows out of the dust discharging port to bring dust into the work station, and after dust collection work is completed, the second end of the one-way valve is propped against the support frame again under the action of the elasticity of the spring to enable the air inlet to be closed.
Preferably, the support frame extends to a direction far away from the inner cavity to form a first mounting groove and a second mounting groove, a first end of the one-way valve penetrates through the first mounting groove and then is connected with the fixing piece, a second end of the one-way valve is arranged in the first mounting groove, the one-way valve can move relative to the first mounting groove, the second mounting groove is communicated with the upper air channel through the vent hole, and the filtering piece is arranged in the second mounting groove;
When the dust box performs dust collection, the second end of the one-way valve just abuts against the support frame under the action of the spring to enable the air inlet to be closed, and under the suction action of the fan, air flow brings dust into the inner cavity from the dust inlet, and then flows out of the upper air channel after the air flow passes through the filtering action of the filtering piece;
When the dust box executes dust discharging work, the spring is compressed under the suction action of the work station, the second end of the one-way valve is separated from the support frame, the air inlet is opened, air flows from the upper air channel to the inner cavity through the air inlet and then flows out of the dust discharging port to bring dust into the work station, and after dust collection work is completed, the second end of the one-way valve is propped against the support frame again under the action of the elasticity of the spring to enable the air inlet to be closed.
Preferably, the filter device further comprises a filter support, the filter support is connected with the support frame, the filter support is matched with the support frame to fix the filter element in the second mounting groove and limit the one-way valve in the first mounting groove, wherein a part of the filter support, which faces the second mounting groove, is provided with a filter hole, and a part of the filter support, which faces the first mounting groove, is provided with an air outlet hole;
when the dust box performs dust collection, the second end of the one-way valve just abuts against the support frame under the action of the spring to enable the air inlet to be closed, and under the action of suction force of the fan, air flow brings dust into the inner cavity from the dust inlet, and then sequentially passes through the filtering holes and the filtering piece and flows out of the upper air channel;
When the dust box executes dust discharging work, under the suction action of the work station, the spring is compressed, the second end of the one-way valve is separated from the support frame, the air inlet is opened, air flows from the upper air channel to the inner cavity through the air inlet and the air outlet, then flows out of the dust discharging port and brings dust into the work station, and after dust collection work is completed, under the elastic action of the spring, the second end of the one-way valve is propped against the support frame again to enable the air inlet to be closed.
Preferably, the one-way valve comprises a valve shaft portion and a valve portion, a first end of the valve shaft portion is connected with the valve portion, a second end of the valve shaft portion is connected with the fixing piece, the spring is sleeved on the valve shaft portion, a first end of the spring abuts against the fixing piece, and a second end of the spring abuts against the supporting frame.
Preferably, the valve portion is in the shape of an inverted truncated cone.
Preferably, the fixing member has a T-shape.
Preferably, the air outlet is opposite to the lower side area of the dust inlet.
In a second aspect, the application also provides a sweeper provided with a dust box as described in any one of the above.
The application relates to a dust box, which comprises a dust box body and a gas valve assembly, wherein an inner cavity, an upper air channel, a dust inlet and a dust exhaust port are arranged in the dust box body, the inner cavity is communicated with the upper air channel, the gas valve assembly is arranged at the top of the inner cavity, a first end of the gas valve assembly is communicated with the upper air channel, a second end of the gas valve assembly is communicated with the inner cavity, and the dust exhaust port and the gas valve assembly are closed when the dust box performs dust collection work, so that the air flow carrying dust can only flow out from the upper air channel after being brought into the inner cavity from the dust inlet, and when the dust box performs dust exhaust work, the gas valve assembly can be opened under the suction action of a work station, so that the air flow flows into the inner cavity from the top of the inner cavity after flowing through the upper air channel, dust accumulated at the bottom of the dust box can be washed away, and then flows out from the dust exhaust port and brings the dust into the work station.
Drawings
FIG. 1 is a schematic view of a dust box according to an embodiment when performing dust collection operation;
FIG. 2 is an enlarged view of a portion of a valve assembly according to one embodiment;
FIG. 3 is a schematic view of an embodiment of a top cover
FIG. 4 is a schematic view of the structure of an upper cover according to an embodiment;
1, a dust box body; 11. an inner cavity; 12. an upper layer air duct; 13. a dust inlet; 14. a dust discharge port; 15. an upper cover; 16. a lower cover; 17. a filter support; 2. a gas valve assembly; 21. a one-way valve; 211. a valve shaft portion; 212. a valve portion; 22. a support frame; 221. an air inlet hole; 222. an air outlet hole; 23. a fixing member; 24. a spring; 25. a seal; 26. a filter;
the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 3, in a first aspect, the present application provides a dust box comprising:
the dust box comprises a dust box body 1, wherein an inner cavity 11, an upper air duct 12, a dust inlet 13 and a dust exhaust port 14 are arranged in the dust box body 1, and a vent hole and a filter element 26 are arranged between the inner cavity 11 and the upper air duct 12;
The air valve assembly 2 is arranged at the top of the inner cavity 11, a first end of the air valve assembly 2 is communicated with the upper air duct 12, and a second end of the air valve assembly 2 is communicated with the inner cavity 11;
When the dust box performs dust collection, the dust inlet 13 is opened, the dust outlet 14 and the air valve assembly 2 are closed, and under the suction action of the fan, the air flow brings dust into the inner cavity 11 from the dust inlet 13, and flows out of the upper air duct 12 after passing through the vent hole and the filter 26;
When the dust box performs dust discharging operation, the dust discharging port 14 is in butt joint with a workstation, the air valve assembly 2 is opened under the suction action of the workstation, and air flow passes through the air valve assembly 2 from the upper air duct 12 and then enters the inner cavity 11, and then flows out of the dust discharging port 14 and brings dust into the workstation.
As described above, the inner cavity 11 and the upper air duct 12 are provided in the dust box body 1, wherein the dust box body 1 may be integrally molded, a baffle may be provided in the dust box body 1 to separate the inner cavity 11 and the upper air duct 12, a vent hole is provided on the baffle, a filter 26 is covered on the vent hole, the upper air duct 12 is provided in the dust box body 1 and is located at the upper side of the inner cavity 11, the air valve assembly 2 may be provided in the inner cavity 11 or outside the inner cavity 11, and in order to avoid dust collected in the inner cavity 11 from contaminating the air valve assembly 2, the air valve assembly 2 is preferably provided outside the inner cavity 11; the dust box body 1 can also be formed by assembling an upper cover 15 and a lower cover 16, when the upper cover 15 and the lower cover 16 are closed, an inner cavity 11 is formed, wherein an upper air duct 12, a filter element 26, a ventilation hole and the air valve assembly 2 can be arranged in the upper cover 15, further, no matter the air valve assembly 2 is arranged outside the inner cavity 11 or inside the inner cavity or in the upper cover 15, the air inlet end of the air valve assembly 2 is communicated with the upper air duct, and the air outlet end of the air valve assembly 2 is communicated with the inner cavity 11; wherein, the air valve assembly 2 is a one-way air valve, namely, the air flow in the inner cavity 11 can not flow out into the upper air channel 12 through the air valve assembly 2, but the air flow in the upper air channel 12 can flow into the inner cavity 11 through the air valve assembly 2; whether the upper air duct 12 is arranged on the upper side of the inner cavity 11 or in the upper cover 15 of the dust box body 1, the upper air duct 12 is communicated with the inner cavity 11, when the dust box performs dust collection work, the dust inlet 13 is in an open state, the dust outlet 14 and the air valve assembly 2 are closed, the air flow carrying dust is brought into the inner cavity 11 from the dust inlet 13 under the suction effect of the fan and flows out of the upper air duct 12 after passing through the vent hole and the filter element 26, wherein the fan can be arranged outside the dust box body 1 or in the dust box body 1, when the fan is arranged inside the dust box body 1, the air suction inlet of the fan is communicated with the inner cavity 11, and the air outlet of the fan is communicated with the upper air duct; when the fan is arranged outside the dust box body 1, the air suction opening of the fan is communicated with the upper air channel 12, when the dust box performs dust discharging operation, the dust inlet 13 is closed, when the dust discharging opening 14 is in butt joint with a dust suction nozzle of a work station, under the suction effect of the work station, the filter element 26 is a sponge or an object with dense pores and a filtering effect and certain ventilation property, and the ventilation property can be weakened, so that after the air flow enters from the upper air channel 12, the air quantity entering from the air hole is far smaller than the air quantity sucked by the fan due to the shielding effect of the filter element 26, the air valve assembly 2 is opened, after the air flow enters into the inner cavity 11 from the upper air channel 12, the air flow enters into the inner cavity 11 due to the arrangement of the air valve assembly 2 at the top of the inner cavity 11, the air flow entering into the inner cavity 11 can be dispersed with dust accumulated at the bottom of the dust box, and the dust can be mixed into the work station under the suction effect of the work station, and therefore the dust accumulated at the bottom of the dust box can be well cleaned.
In one embodiment, the dust box body 1 comprises an upper cover 15 and a lower cover 16, the upper cover 15 is detachably connected with the lower cover 16, a groove is arranged in the lower cover 16, the dust inlet 13 and the dust outlet 14 are arranged on the side wall of the groove, the upper air duct 12 and the air valve assembly 2 are arranged on the upper cover 15, when the upper cover 15 and the lower cover 16 are closed, the upper cover 15 and the groove are matched to form the inner cavity 11, the first end of the air valve assembly 2 is communicated with the upper air duct 12, the second end of the air valve assembly 2 is communicated with the inner cavity 11, the air hole is arranged on one side, close to the inner cavity, of the upper cover 15, the filter element 26 is arranged on the upper cover 15, and the filter element 26 can cover the air hole.
As described above, the dust box body 1 includes the upper cover 15 and the lower cover 16, the lower cover 16 is provided with a groove therein, the upper cover 15 and the lower cover 16 are detachable, so as to be convenient for disassembling the dust box and cleaning the inside of the dust box, further, a rotating shaft assembly can be provided on the same side of the upper cover 15 and the lower cover 16, the upper cover 15 is connected with one end of the rotating shaft assembly, the lower cover 16 is connected with the other end of the rotating shaft assembly, so that the upper cover 15 rotates relative to the lower cover 16 through the rotating shaft assembly, and the upper layer air duct 12 and the air valve assembly 2 are arranged on the upper cover 15; when the upper cover 15 and the lower cover 16 are closed, the upper cover 15 and the lower cover 16 are matched to form an inner cavity 11, wherein a vent hole is formed in one side of the upper cover 15 facing the lower cover 16, the upper air duct 12 is communicated with the inner cavity 11 through the vent hole, when the dust box performs dust collection work, the dust inlet 13 is in an open state, the dust outlet 14 and the air valve assembly 2 are closed, and under the suction effect of a fan, air flow carrying dust is brought into the inner cavity 11 from the dust inlet 13 and flows out of the upper air duct 12 through the vent hole; when the dust box executes dust discharging operation, the dust inlet 13 is closed, when the dust outlet 14 is in butt joint with a dust suction nozzle of a work station, the air valve assembly 2 is opened under the suction action of the work station, air flow enters the inner cavity 11 after entering the air valve assembly 2 from the upper air channel 12, and the air flow entering the inner cavity 11 can be dispersed and accumulated at the bottom of the dust box due to the arrangement of the air valve assembly 2 at the top of the inner cavity 11, and the dust is mixed in the air flow and flows into the work station through the dust outlet 14 under the suction action of the work station.
Referring to fig. 2 to 3, in one embodiment, the air valve assembly 2 includes a check valve 21, a support 22, a fixing member 23, and a spring 24, where the support 22 is disposed on the upper cover 15, a first end of the check valve 21 passes through the support 22 and is connected to the fixing member 23, the check valve 21 can move relative to the support 22, the spring 24 is sleeved on the first end of the check valve 21, a first end of the spring 24 is connected to the fixing member 23, a second end of the spring 24 abuts against the support 22, an air inlet hole 221 is disposed on the support 22, and a second end of the check valve 21 is communicated with the inner cavity 11;
When the dust box performs dust collection, the second end of the one-way valve 21 just abuts against the support frame 22 under the action of the spring 24 to close the air inlet 221, and under the action of suction force of the fan, air flow brings dust into the inner cavity 11 from the dust inlet 13, and then flows out of the upper air duct 12 after passing through the vent hole and the filter element 26;
When the dust box performs dust discharging operation, under the suction action of the workstation, the spring 24 is compressed, the second end of the one-way valve 21 is separated from the support frame 22, the air inlet 221 is opened, air flows from the upper air duct 12 into the inner cavity 11 through the air inlet 221, then flows out of the dust discharging port 14 and brings dust into the workstation, and after dust collecting operation is completed, under the action of the spring 24, the second end of the one-way valve 21 is propped against the support frame 22 again to close the air inlet 221.
As described above, the air valve assembly 2 includes the check valve 21, the support 22, the fixing member 23, the spring 24, the support 22 is disposed on the side of the upper cover 15 far from the inner cavity 11, i.e., the support 22 is disposed outside the inner cavity 11, the air intake 221 is disposed on the support 22, the first end of the check valve 21 passes through the support 22 and is connected with the fixing member 23, the second end of the check valve 21 is disposed in the inner cavity 11, the fixing member 23 is preferably T-shaped, i.e., the first end of the fixing member 23 is large, the second end is small, the smaller second end is connected with the first end of the check valve 21, further, the second end of the fixing member 23 may have a larger diameter than the first end of the check valve 21 or may have a smaller diameter than the first end of the check valve 21, the connection manner may be that the small diameter is plugged into the interior of the large diameter, the second end of the fixing piece 23 can also be the same size as the first end of the unidirectional valve 21, when the same size is adopted, a direct connection mode can be adopted, when the diameter of the first end of the unidirectional valve 21 is larger than that of the second end of the fixing piece 23, the spring 24 is sleeved on the first end of the unidirectional valve 21, further, if the diameter of the first end of the unidirectional valve 21 is smaller than or equal to that of the second end of the fixing piece 23, the spring 24 is sleeved on the second end of the fixing piece 23, the first end of the spring 24 is connected with the first end of the fixing piece 23, the second end of the spring 24 is propped against the supporting frame 22, the unidirectional valve 21 can be arranged to be vertically arranged on the supporting frame 22, or can be horizontally arranged on the supporting frame 22, when the unidirectional valve 21 is in the vertical direction, under the elastic force of the spring 24, the unidirectional valve 21 and the fixing piece 23 are integrally suspended in the air to form the gravity elastic force balance, when the dust box performs dust collection, the air flow brings dust into the inner cavity 11 from the dust inlet 13 under the suction action of the fan, then flows out of the upper layer air channel 12 through the air vent, when the dust box performs dust removal, the gravity elastic balance between the check valve 21 and the fixing piece 23 is broken under the suction action of the work station, the spring 24 is compressed, the second end of the check valve 21 is separated from the support frame 22, so that the air inlet 221 is opened, the air flow enters the inner cavity 11 from the upper layer 12 through the air inlet 221, and then flows out of the upper layer air channel 12 through the air vent under the suction action of the fan, and the dust collection is completed under the suction action of the work station, so that the second end of the check valve 21 is closed under the suction action of the work station, and the air inlet 221 is closed again.
In one embodiment, the support 22 extends away from the inner cavity 11 to form a first mounting groove and a second mounting groove, a first end of the one-way valve 21 passes through the first mounting groove and is connected with the fixing piece 23, a second end of the one-way valve 21 is arranged in the first mounting groove, the one-way valve 21 can move relative to the first mounting groove, the second mounting groove is communicated with the upper air duct 12 through the ventilation hole, and the filtering piece 26 is arranged in the second mounting groove;
When the dust box performs dust collection, the second end of the one-way valve 21 just abuts against the support frame 22 under the action of the spring 24 to close the air inlet 221, and under the suction action of the fan, the air flow brings dust into the inner cavity 11 from the dust inlet 13, and then flows out of the upper air duct 12 after passing through the filtering action of the filtering piece 26;
When the dust box performs dust discharging operation, under the suction action of the workstation, the spring 24 is compressed, the second end of the one-way valve 21 is separated from the support frame 22, the air inlet 221 is opened, air flows from the upper air duct 12 into the inner cavity 11 through the air inlet 221, then flows out of the dust discharging port 14 and brings dust into the workstation, and after dust collecting operation is completed, under the action of the elasticity of the spring 24, the second end of the one-way valve 21 is propped against the support frame 22 again to close the air inlet 221.
As described above, the support frame 22 extends in a direction away from the inner cavity 11 to form a first mounting groove and a second mounting groove, the first end of the one-way valve 21 passes through the first mounting groove and then is connected with the fixing piece 23, the second end of the one-way valve 21 is arranged in the first mounting groove, the second mounting groove is communicated with the upper air duct 12 through the vent hole, a filter element 26 is arranged in the second mounting groove, the filter element 26 is a sponge or other filler with a filtering effect, and when the dust box performs dust collection work, the filter element 26 can filter sundries in air flow flowing out from the inner cavity 11 to the upper air duct 12, so that sundries are prevented from entering the fan to damage the fan.
Referring to fig. 4, in one embodiment, the filter support 17 is connected to the support 22, the filter support 17 cooperates with the support 22 to fix the filter element 26 in the second mounting groove and limit the check valve 21 in the first mounting groove, wherein a part of the filter support 17 facing the second mounting groove is provided with a filter hole, and a part of the filter support 17 facing the first mounting groove is provided with an air outlet hole 222;
When the dust box performs dust collection, under the action of the spring 24, the first end of the one-way valve 21 just abuts against the support frame 22 to close the air inlet 221, and under the action of suction force of the fan, after the air flow brings dust into the inner cavity 11 from the dust inlet 13, the air flow sequentially passes through the filtering holes and the filtering piece 26 and flows out of the upper air duct 12;
When the dust box performs dust discharging operation, under the suction action of the workstation, the spring 24 is compressed, the second end of the one-way valve 21 is separated from the support frame 22, the air inlet 221 is opened, air flows from the upper air duct 12 through the air inlet 221 and the air outlet 222 into the inner cavity 11, then flows out of the dust discharging port 14 and brings dust into the workstation, and after dust collecting operation is completed, under the elastic action of the spring 24, the second end of the one-way valve 21 is propped against the support frame 22 again to close the air inlet 221.
As described above, the dust box is further provided with the filter support 17, the filter support 17 is connected with the support frame 22, wherein the part of the filter support 17 facing the second installation groove covers the second installation groove, so that the second installation groove becomes a relatively airtight groove body, the part of the filter support 17 facing the second installation groove is provided with filter holes, the filter holes are in a grid shape, and the filter element 26 can be fixed in the second installation groove, namely, the air flow entering the second installation groove from the filter holes can only flow out of the second installation groove into the upper air duct 12 after passing through the filter element 26, but not flow into the first installation groove beside; similarly, the portion of the filter support 17 facing the first installation groove covers the first installation groove, so that the first installation groove becomes a relatively airtight groove body, and the portion of the filter support 17 facing the first installation groove is provided with an air outlet hole 222, that is, the air flow flowing through the air inlet hole 221 from the upper air duct 12 and then entering the first installation groove can only flow into the inner cavity 11 from the air outlet hole 222, but not flow into the second installation groove beside.
In one embodiment, the check valve 21 includes a valve shaft 211 and a valve portion 212, a first end of the valve shaft 211 is connected to the valve portion 212, a second end of the valve shaft 211 is connected to the fixing member 23, the spring 24 is sleeved on the valve shaft 211, a first end of the spring 24 abuts against the fixing member 23, and a second end of the spring 24 abuts against the supporting frame 22.
In one embodiment, the valve portion 212 is inverted cone-shaped.
As described above, the check valve 21 includes the valve shaft portion 211 and the valve portion 212, wherein the valve shaft portion 211 is connected to the second end of the fixing member 23, that is, as mentioned in the above-mentioned real-time example, the spring 24 may be sleeved in the valve shaft portion 211 or the second end of the fixing member 23 according to the diameter relation between the valve shaft portion 211 and the second end of the fixing member 23, the valve portion 212 is in a reverse truncated cone shape, the check valve 21 is vertically disposed, the air inlet hole 221 is disposed in the coverage area of the upper end of the valve portion 212, it is ensured that the valve portion 212 covers the air inlet hole 221, and the air outlet hole 222 is disposed outside the coverage area of the lower end of the valve portion 212, so that the lower end of the valve portion 212 is prevented from covering the air outlet hole 222.
In one embodiment, the securing member 23 is T-shaped.
In one embodiment, the air outlet 222 is located opposite to the region of the underside of the dust inlet 13.
As described above, since the region below the dust inlet 13 is generally a dead zone through which the air flow does not pass, dust is likely to accumulate, it is preferable that the air outlet 222 is located opposite to the region below the dust inlet 13, and when the air flow exits from the air outlet 222, the accumulated dust is likely to be blown away.
In one embodiment, a seal 25 is provided between the first mounting groove and the second mounting groove.
As described above, in order to prevent the flow of air into the first mounting groove and/or the second mounting groove, a sealing member 25 is provided between the first mounting groove and the second mounting groove, the sealing member 25 is a soft gasket, and when the filter holder 17 covers the first mounting groove and the second mounting groove, the sealing member 25 may be pressed to seal the air flow passage between the first mounting groove and the second mounting groove.
In one embodiment, at least one air inlet hole 221 and at least one air outlet hole 222 are provided.
In one embodiment, the diameter of the first mounting groove is slightly larger than the diameter of the second end of the check valve 21, and the height of the first mounting groove is larger than the thickness of the second end of the check valve 21.
As described above, at least one air inlet hole 221 is provided, at least one air outlet hole 222 is provided, so that the air flow in the first installation groove can be ensured, the diameter of the first installation groove is slightly larger than that of the second end of the check valve 21, therefore, the air flow entering the first installation groove from the air inlet hole 221 can flow into the inner cavity 11 from the air outlet hole 222 through the gap between the first installation groove and the check valve 21, and the height of the first installation groove is larger than that of the second end, so that the movement of the check valve 21 in the first installation groove can be ensured not to be blocked.
In a second aspect, the application also provides a sweeper provided with a dust box as described in any one of the above.
It should be noted that, in the embodiments of the present invention, all directional indicators (such as up, down, left, right, front, and back) are only used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture (as shown in the drawings), if the specific posture is changed, the directional indicators correspondingly change, and the connection may be a direct connection or an indirect connection.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes using the descriptions and drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the invention.
Claims (9)
1. A dust box, comprising:
The dust box comprises a dust box body, wherein an inner cavity, an upper layer air flue, a dust inlet and a dust exhaust port are arranged in the dust box body, and a vent hole and a filter element are arranged between the inner cavity and the upper layer air flue;
the air valve assembly is arranged at the top of the inner cavity, the first end of the air valve assembly is communicated with the upper air duct, and the second end of the air valve assembly is communicated with the inner cavity;
When the dust box performs dust collection, the dust inlet is opened, the dust exhaust port and the air valve assembly are closed, and under the suction action of the fan, air flow brings dust into the inner cavity from the dust inlet, and the dust flows out of the upper air duct after passing through the vent hole and the filter element;
when the dust box executes dust discharging work, the dust discharging port is in butt joint with a workstation, the air valve assembly is opened under the suction action of the workstation, air flow passes through the air valve assembly from the upper air channel and then enters the inner cavity, and then flows out of the dust discharging port and brings dust into the workstation;
the dust box body comprises an upper cover and a lower cover;
The air valve assembly comprises a one-way valve, a support frame, a fixing piece and a spring, wherein the support frame is arranged on the upper cover, the first end of the one-way valve penetrates through the support frame and then is connected with the fixing piece, the one-way valve can move relative to the support frame, the spring is sleeved on the first end of the one-way valve, the first end of the spring is connected with the fixing piece, the second end of the spring is propped against the support frame, an air inlet hole is formed in the support frame, and the second end of the one-way valve is communicated with the inner cavity;
When the dust box performs dust collection, the second end of the one-way valve just abuts against the support frame under the action of the spring to enable the air inlet to be closed, and under the action of suction force of the fan, air flow brings dust into the inner cavity from the dust inlet, and then flows out of the upper air channel after passing through the vent hole and the filter element;
When the dust box executes dust discharging work, under the suction action of the work station, the spring is compressed, the second end of the one-way valve is separated from the support frame, the air inlet is opened, air flows from the upper air channel to the inner cavity through the air inlet and then flows out of the dust discharging port to bring dust into the work station, and after dust collection work is completed, the second end of the one-way valve is propped against the support frame again under the action of the spring to enable the air inlet to be closed.
2. The dust box of claim 1, wherein the upper cover is detachably connected with the lower cover, a groove is formed in the lower cover, the dust inlet and the dust outlet are formed in the side wall of the groove, the upper air duct and the air valve assembly are formed in the upper cover, when the upper cover and the lower cover are covered, the upper cover and the groove are matched to form the inner cavity, the first end of the air valve assembly is communicated with the upper air duct, the second end of the air valve assembly is communicated with the inner cavity, the vent hole is formed in one side, close to the inner cavity, of the upper cover, the filter element is arranged on the upper cover, and the filter element can cover the vent hole.
3. The dust box according to claim 1, wherein the support frame extends away from the inner cavity to form a first mounting groove and a second mounting groove, a first end of the one-way valve penetrates through the first mounting groove and then is connected with the fixing piece, a second end of the one-way valve is arranged in the first mounting groove, the one-way valve can move relative to the first mounting groove, the second mounting groove is communicated with the upper air channel through the ventilation hole, and the filtering piece is arranged in the second mounting groove;
When the dust box performs dust collection, the second end of the one-way valve just abuts against the support frame under the action of the spring to enable the air inlet to be closed, and under the suction action of the fan, air flow brings dust into the inner cavity from the dust inlet, and then flows out of the upper air channel after the air flow passes through the filtering action of the filtering piece;
When the dust box executes dust discharging work, the spring is compressed under the suction action of the work station, the second end of the one-way valve is separated from the support frame, the air inlet is opened, air flows from the upper air channel to the inner cavity through the air inlet and then flows out of the dust discharging port to bring dust into the work station, and after dust collection work is completed, the second end of the one-way valve is propped against the support frame again under the action of the elasticity of the spring to enable the air inlet to be closed.
4. A dust box according to claim 3, further comprising a filter support connected to the support frame, the filter support cooperating with the support frame to secure the filter element in the second mounting groove and to retain the one-way valve in the first mounting groove, wherein a portion of the filter support facing the second mounting groove is provided with a filter aperture, and a portion of the filter support facing the first mounting groove is provided with an air outlet aperture;
When the dust box performs dust collection, the second end of the one-way valve just abuts against the support frame under the action of the spring to enable the air inlet to be closed, and under the action of suction force of the fan, air flow brings dust into the inner cavity from the dust inlet, and then sequentially passes through the filtering holes and the filtering piece and flows out of the upper air channel;
When the dust box executes dust discharging work, under the suction action of the work station, the spring is compressed, the second end of the one-way valve is separated from the support frame, the air inlet is opened, air flows from the upper air channel to the inner cavity through the air inlet and the air outlet, then flows out of the dust discharging port and brings dust into the work station, and after dust collection work is completed, under the elastic action of the spring, the second end of the one-way valve is propped against the support frame again to enable the air inlet to be closed.
5. The dust box of claim 1, wherein the one-way valve includes a valve shaft portion and a valve portion, a first end of the valve shaft portion being connected to the valve portion, a second end of the valve shaft portion being connected to the fixing member, the spring being sleeved on the valve shaft portion, a first end of the spring being held against the fixing member, and a second end of the spring being held against the support frame.
6. The dust box of claim 5, wherein the valve portion is in the shape of an inverted circular truncated cone.
7. The dust box of claim 5, wherein the securing member is T-shaped.
8. The dust box of claim 4, wherein the air outlet is directly opposite to the region of the underside of the dust inlet.
9. A sweeper, characterized in that it is provided with a dust box as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210640957.7A CN114947658B (en) | 2022-06-07 | 2022-06-07 | Dust box and floor sweeping machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210640957.7A CN114947658B (en) | 2022-06-07 | 2022-06-07 | Dust box and floor sweeping machine |
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| CN114947658A CN114947658A (en) | 2022-08-30 |
| CN114947658B true CN114947658B (en) | 2024-05-14 |
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| CN114947658A (en) | 2022-08-30 |
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