CN110916560A

CN110916560A - Dust collector

Info

Publication number: CN110916560A
Application number: CN201911176676.5A
Authority: CN
Inventors: 孙大亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-03-27
Anticipated expiration: 2039-11-26
Also published as: CN110916560B

Abstract

The invention discloses a dust collector, comprising: the device comprises a cylinder, a filtering bin upper cover, a dust removal hose and a negative pressure component; the filter bin is arranged inside the cylinder body, and a filter is arranged in the filter bin; the opening at the top of the filtering bin is provided with an upper cover of the filtering bin; the upper cover of the filter bin is provided with a negative pressure connecting hole and a self-cleaning hole; the negative pressure connecting hole is communicated with the negative pressure assembly, and the self-cleaning hole is provided with a pulse valve; the barrel is provided with an air inlet connected with a dust removal hose, and the dust removal hose is provided with an air inlet regulating valve; in the dust collection mode, the pulse valve is closed, and the air inlet regulating valve is opened; an air channel is formed among the dust removal hose, the air inlet, the outside of the filter, the inside of the filter, the negative pressure connecting hole and the negative pressure component; in the self-cleaning mode, the air inlet regulating valve is closed, and the pulse valve is intermittently opened; an air channel is formed among the self-cleaning hole, the filter inner part, the filter outer part, the negative pressure connecting hole and the negative pressure assembly. The technical scheme provided by the invention can overcome the defect of low efficiency of the existing dust collector.

Description

Dust collector

Technical Field

The invention relates to the technical field of cleaning, in particular to a dust collector.

Background

When dust and sundries flow into the filter together with the dust collector motor in the dust removal process, the dust and sundries have certain viscosity to adhere to the filter when passing through the filter, the dust and sundries are accumulated more and more, the air inlet of the suction generated by the dust collector motor is not smooth, and the suction is greatly reduced.

The existing solution is to turn off the dust collector, remove the filter to clean the dust, then mount the filter, and then start the machine for use, which wastes time and labor, and like some places with large dust amount, the dust collector needs to clean the filter when working, and the machine stops, removes the filter, mounts the filter, and starts the machine repeatedly, thus resulting in large workload of dust removal and low efficiency.

Disclosure of Invention

In view of the above, the present invention has been developed to provide a vacuum cleaner that overcomes, or at least partially solves, the above-mentioned problems.

According to an aspect of the present invention, there is provided a vacuum cleaner including: the device comprises a cylinder, a filtering bin upper cover, a dust removal hose and a negative pressure component;

the filter bin is arranged inside the cylinder body, and a filter is arranged in the filter bin;

an upper cover of the filtering bin is arranged at the opening at the top of the filtering bin; the upper cover of the filter bin is provided with a negative pressure connecting hole and a self-cleaning hole; the negative pressure connecting hole is communicated with the negative pressure assembly, and the self-cleaning hole is provided with a pulse valve;

the barrel is provided with an air inlet connected with a dust removal hose, and the dust removal hose is provided with an air inlet regulating valve;

when the dust collection device is in a dust collection mode, the pulse valve is closed, and the air inlet regulating valve is opened; an air channel is formed among the dust removal hose, the air inlet, the outside of the filter, the inside of the filter, the negative pressure connecting hole and the negative pressure component;

when the self-cleaning mode is adopted, the air inlet regulating valve is closed, and the pulse valve is intermittently opened; an air channel is formed among the self-cleaning hole, the filter inner part, the filter outer part, the negative pressure connecting hole and the negative pressure assembly.

Optionally, the pulse valve includes: the air conditioner comprises a shell, a rebound component and a valve baffle, wherein the top surface of the shell is provided with an air inlet;

one end of the rebound component is fixed on the valve baffle, and the other end of the rebound component is fixed on the outer wall of the shell;

when the valve baffle moves upwards to a preset position under the action of the rebound component, the valve baffle is contacted with the bottom of the shell to form a sealed cavity;

when the valve baffle moves downwards under the action of negative pressure in the filtering bin, the valve baffle is separated from the bottom of the shell.

Optionally, the pulse valve further includes: the magnetic coupling device comprises a connecting rod, a connecting rod fixing plate arranged in a shell, a first magnet arranged on the top of the shell, and a second magnet arranged on the top of the connecting rod, wherein the first magnet and the second magnet are opposite in attraction;

the bottom of the connecting rod is connected with the valve baffle, and the connecting rod penetrates through a through hole in the middle of the connecting rod fixing plate and can move up and down in the shell;

wherein, first magnet and the laminating of second magnet mutually, the valve baffle of connecting rod bottom with the bottom of casing contacts and forms sealed chamber.

Optionally, the pulse valve includes: the two connecting rod fixing plates and the limiting stopper are arranged on the connecting rods;

wherein, the stopper is fixed between two connecting rod fixing plates.

Optionally, the connecting rod is a threaded rod, and a screw hole matched with the threaded rod is formed in the back of the second magnet;

the limiting stopper is a nut sleeved on the threaded rod.

Optionally, the housing comprises an upper housing and a lower housing;

female threads are arranged on the inner wall of the upper shell, and male threads matched with the female threads are arranged on the outer wall of the lower shell.

Optionally, one end of the air inlet regulating valve is connected with the handheld end of the dust removal hose; the other end of the air inlet adjusting valve is used for being connected with a dust removal accessory.

Optionally, the air intake regulating valve includes: the valve body, the baffle and the button;

a boss matched with the baffle is arranged in the valve body, a rotating shaft is arranged at the top of the baffle, and a shaft hole matched with the rotating shaft is arranged above the boss;

the baffle with the button is connected, when the button is in the state of being pressed, the baffle with the profile laminating of boss cuts off the wind channel.

Optionally, the negative pressure assembly includes: a fan, an exhaust pipe and an exhaust pipe;

the air inlet of the fan is connected with the negative pressure connecting hole through the air exhaust pipe, and the air exhaust port of the fan is connected with the air exhaust pipe.

In summary, according to the technical scheme disclosed by the invention, the upper cover of the filter bin is arranged at the opening at the top of the filter bin; the upper cover of the filter bin is provided with a negative pressure connecting hole and a self-cleaning hole; the negative pressure connecting hole is communicated with the negative pressure assembly, and the self-cleaning hole is provided with a pulse valve; the barrel is provided with an air inlet connected with a dust removal hose, and the dust removal hose is provided with an air inlet regulating valve. By pressing a button on the air inlet adjusting valve, when the air inlet adjusting valve is in a dust collection mode, the pulse valve is closed, and the air inlet adjusting valve is opened; an air channel is formed among the dust removal hose, the air inlet, the outside of the filter, the inside of the filter, the negative pressure connecting hole and the negative pressure component; when the self-cleaning mode is adopted, the air inlet regulating valve is closed, and the pulse valve is intermittently opened; an air channel is formed among the self-cleaning hole, the filter inner part, the filter outer part, the negative pressure connecting hole and the negative pressure assembly. The problem of prior art when the clearance dust catcher, can only turn off the dust catcher, pull down the filter and clear up the dust etc. on, then adorn the filter again, start the use again, like this and the time-consuming artifical defect is solved.

The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

FIG. 1 is a schematic view showing a structure of a vacuum cleaner according to an embodiment of the present invention;

FIG. 2 shows a cross-sectional view of a pulsing valve according to an embodiment of the present invention;

FIG. 3 illustrates a perspective cross-sectional view of a pulse valve according to an embodiment of the present invention;

FIG. 4 illustrates a schematic inlet diagram of a pulsing valve according to an embodiment of the present invention;

FIG. 5 is a schematic view illustrating an air intake of a cleaner for self-cleaning according to an embodiment of the present invention; a drawing;

fig. 6 shows a schematic view of an intake air regulating valve according to an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Fig. 1 shows a schematic view of a vacuum cleaner according to an embodiment of the present invention. As shown in fig. 1, the method comprises the following steps: the device comprises a cylinder body 10, a filter bin 20, a filter bin upper cover 30, a dust removal hose 40 and a negative pressure assembly 50.

The filtering bin 20 is arranged inside the cylinder 10, and a filter 201 is arranged in the filtering bin 20; the top opening of the filtering bin 20 is provided with a filtering bin upper cover 30. The upper cover 30 of the filter bin is provided with a negative pressure connecting hole 302 and a self-cleaning hole 301; the negative pressure connecting hole 30 is communicated with the negative pressure assembly 50, and the self-cleaning hole 301 is provided with a pulse valve 60; the cylinder 10 is provided with an air inlet 101 connected to the dust removal hose 40, and the dust removal hose 40 is provided with an air inlet regulating valve 401.

When the dust collection device is in a dust collection mode, the pulse valve 60 is closed, and the air inlet regulating valve 401 is opened; an air channel is formed among the dust removing hose 40, the air inlet 101, the outside of the filter 201, the inside of the filter 201, the negative pressure connecting hole 302 and the negative pressure assembly 50. In this mode, the cleaner is in a normal operation state, i.e. air with dust and the like starts to pass through the air inlet adjusting valve 401, then passes through the dust removing hose 40 and the air inlet 101, enters the filter bin 20 for filtering, and then returns to the atmosphere from the negative pressure connecting hole 302 and the negative pressure assembly 50.

When in the self-cleaning mode, the air inlet regulating valve 401 is closed, and the pulse valve 60 is intermittently opened; an air channel is formed among the self-cleaning hole 301, the filter 201, the negative pressure connecting hole 302 and the negative pressure assembly 50. In this mode, the air inlet 101 of the vacuum cleaner is blocked, the negative pressure assembly 50 continues to draw air in the filter cartridge 20 through the negative pressure connecting hole 302 on the upper cover of the filter cartridge 20, but no air enters the air inlet of the filter cartridge 20, and the air in the filter cartridge 20 is quickly drawn out to form vacuum. At this time, the pulse valve 60 installed on the upper cover 30 of the filter bin assists air intake, that is, the air intake is instantly opened and air intake under the action of negative pressure, the air intake forms air flow and instantly blows the air flow into the filter 201 and penetrates through the filter 201, dust adhered to the outside of the filter 201 is blown off, and the disassembly-free self-cleaning of the filter 201 is realized.

It can be seen that the vacuum cleaner provided by the present invention has the advantages that the air inlet regulating valve 401 is installed on the dust removing hose 40, the self-cleaning hole 301 is formed on the upper cover 30 of the filter bin, and the pulse valve 60 is installed on the self-cleaning hole 301. In the use process, the pulse valve 60 of the upper cover 30 of the filter bin forms a cycle of opening and closing regularly between the opening and the closing of the air inlet adjusting valve 401, and pulses are formed. The filter 201 is blown once per opening, thereby achieving the purpose of cleaning the filter 201 without stopping the machine and removing the filter.

FIG. 2 shows a cross-sectional view of a pulsing valve according to an embodiment of the present invention; fig. 3 shows a perspective cross-sectional view of a pulse valve according to an embodiment of the present invention. Referring to fig. 2 and 3, the pulse valve 60 includes: the air conditioner comprises a shell 601, a rebound component 602 and a valve baffle 603, wherein the top surface of the shell 601 is provided with an air inlet 604; one end of the rebound component 602 is fixed on the valve baffle 603, and the other end of the rebound component 602 is fixed on the outer wall of the shell 601; under the condition of normal atmospheric pressure, the valve baffle 603 moves upwards to a preset position under the action of the rebound component 602, and the valve baffle 603 is in contact with the bottom of the shell 601 to form a sealed cavity; that is, in this case, no air flow passes at the self-cleaning holes 301. When the air pressure inside the filtering bin 20 is lower than a preset value, the valve baffle 603 moves downwards under the action of negative pressure inside the filtering bin 20, and the valve baffle 603 is separated from the bottom of the shell 601.

In an embodiment of the present application, the resilient member 602 provides an upward pulling force to ensure the sealing between the valve baffle 603 and the housing 601 under normal conditions, and to realize that the valve baffle 603 is opened under the action of the negative pressure in the subsequent filter cartridge 20, i.e. when the pressure applied to the valve baffle 603 by the atmospheric pressure is greater than the pulling force of the resilient member 602, so that the external air can enter the filter cartridge 20 through the pulse valve 603.

In one embodiment of the present application, the pulse valve 60 is designed to operate more stably and for a longer period of time. The pulse valve 60 further includes: the connecting rod 605, the connecting rod fixing plate 606 arranged inside the housing 601, the first magnet 607 arranged on the inner wall of the top of the housing 601, and the second magnet 608 arranged on the top of the connecting rod 605, the first magnet 607 and the second magnet 608 being opposite in attraction. The bottom of the connecting rod 605 is connected with the valve baffle 603, and the connecting rod 605 passes through a through hole in the middle of the connecting rod fixing plate 606 and can move up and down in the housing 601. When the first magnet 607 and the second magnet 608 are attached to each other, the valve baffle 603 at the bottom of the connecting rod 605 contacts with the bottom of the housing 601 to form a sealed cavity. An air inlet is formed in the connecting rod fixing plate 606 to facilitate air inlet.

In the above-described embodiment of the present application, the sealing between the housing 601 and the valve shutter 603 is achieved by the combination of the first magnet 607 and the second magnet 608. The resilient member 602 is provided only to ensure that the valve flap 603 can be resiliently deflected after disengagement, i.e. the retraction of the resilient member 602 acts as a secondary seal and does not require sufficient tension.

In one embodiment of the present application, to prevent the connecting rod 605 from being separated from the housing during the up-and-down movement. The pulse valve 60 includes: two connecting rod fixing plates 606, and a stopper 609 provided on the connecting rod 605, the stopper 609 being fixed between the two connecting rod fixing plates 606. The stop 609 is to prevent the valve flap 603 from being displaced downward when opened.

In one embodiment of the present application, the sensitivity of the pulse valve 60 is adjusted to adjust the sealing between the valve baffle 603 and the housing 601. The connecting rod 605 is a threaded rod, and the back of the second magnet 608 is provided with a screw hole matched with the threaded rod; the connecting rod 605 is threaded into a threaded hole in the back of the second magnet 608 through a through hole in the center of the valve stop 603 and a through hole in the center of the connecting rod retaining plate 606. The tightness of the pulse valve 60 is adjusted by the depth of screwing.

Preferably, the stopper 609 is a nut that fits over the tie bar 605 to prevent the tie bar 605 from losing control when moving down and to adjust the distance of the tie bar 605 moving down. By turning the nut, the relative position of the nut on the connecting rod 605 is adjusted.

In one embodiment of the present application, to facilitate adjusting the sensitivity of the pulse valve 60, the housing 60 includes an upper housing and a lower housing; the inner wall of the upper shell is provided with female threads, and the outer wall of the lower shell is provided with male threads matched with the female threads for use. In the present embodiment, the relative positional relationship between the first magnet 607 and the second magnet 608 is adjusted by adjusting the height of the entire housing 60 by rotating the upper housing.

Fig. 4 shows a schematic inlet diagram of a pulse valve according to an embodiment of the invention. Referring to fig. 4, in case of cleaning the filter, when the button on the valve 401 of the air inlet adjusting valve is pressed, the air inlet adjusting valve 401 is closed, the normal air inlet of the vacuum cleaner is closed, the motor in the negative pressure assembly 50 continues to work, and the air in the filter bin 20 is evacuated to reach a vacuum state. The pulse valve 60 is opened by the pressure difference between the filter cartridge 20 and the outside, and the outside air enters the inside of the filter 201 as shown by the arrow in fig. 4.

FIG. 5 is a schematic view illustrating an air intake of a cleaner for self-cleaning according to an embodiment of the present invention; after the airflow enters the filter 201 instantaneously through the pulse valve 60 as shown in fig. 4, because the filter 201 is filled with the intake air, the outside of the filter 201 is vacuum, because of the difference between the inside and the outside, the intake air can penetrate the filter 201 instantaneously, and the intake air can blow off the dust adhered to the outside of the filter 201 while penetrating the filter 201, so as to achieve the function and the purpose of cleaning the filter 201.

In one embodiment of the present application, one end of the air inlet adjusting valve 401 is connected to the hand-held end of the dust removal hose 40; the other end of the air intake regulating valve 401 is used for connecting with a dust removing fitting. Wherein the dust removing accessories include, but are not limited to, various dust suction connectors.

FIG. 6 is a schematic diagram illustrating an intake air regulating valve according to an embodiment of the present invention; in one embodiment of the present application, the intake air adjusting valve 401 includes: a valve body 4011, a baffle 4012, and a button 4013; the valve body 4011 is internally provided with a boss 4013 matched with the baffle for use, the top of the baffle 4012 is provided with a rotating shaft 4014, and a shaft hole matched with the rotating shaft 4014 for use is arranged above the boss 4015. The baffle 4012 is connected with the button 4013, and when the button 4013 is pressed down, the baffle 4012 is attached to the contour of the boss 4015, so that the air duct is cut off. The method specifically comprises the following steps: when button 4013 is depressed, flapper 4012 moves down to position a, sealing against boss 4015. At this time, the air inlet of the dust collector is blocked, and the normal air inlet of the dust collector is stopped.

In one embodiment of the present application, the negative pressure assembly 50 includes: a fan 503, an exhaust pipe 501 and an exhaust pipe 502; referring to fig. 1, an air inlet of a fan 503 is connected to the negative pressure connection hole 302 through an air suction pipe 501, and an air outlet of the fan 503 is connected to an air exhaust pipe 502.

See the flow schematic of the intake air shown in fig. 1. The air inlet flow is indicated by an arrow, dust and the like enter the filter bin 20 through the air inlet regulation valve 401, the dust removal hose 40 and the air inlet 101, the dust and the like pass through the filter 201 below the filter bin upper cover 30, a part of the dust and the like are filtered and fall to the dust collection barrel 70, a part of the dust and the like are adhered to the filter 201, the air enters the negative pressure connecting hole 302 after passing through the filter 201, then enters the fan 503 through the air suction pipe 501, and is discharged from the exhaust pipe 502 of the fan 503.

The working process of the vacuum cleaner of the present invention will be described in detail with reference to the following embodiments:

the front end of the filter bin 20 is provided with an air inlet 101, which is a dust and garbage suction hole of the dust collector, the air inlet 101 is connected with a dust removal hose 40, the far end of the dust removal hose 40 is connected with an air inlet adjusting valve 401, and various dust removal accessories are connected on the air inlet adjusting valve 401.

When dust removal is needed, a switch of the dust collector is turned on, a fan 503 of the dust collector starts to operate, a suction effect is formed during operation, air mixed with dust and the like starts to flow in from a dust removal accessory at the farthest end, the air passes through an air inlet adjusting valve 401 and enters the filter bin 20 through the dust removal hose 40, the dust and garbage entering the filter bin 20 are blocked by the filter 201, a part of dust and the like fall into the dust collection barrel 70, a part of dust and the like are adhered to the surface of the filter 201, the air filtered by the filter 201 continues to enter the air suction pipe 501 from the negative pressure connecting hole 302 of the filter bin upper cover 30, and the air is exhausted from the exhaust pipe 502 through the fan 503. Thus, continuous air power is generated to suck dust, garbage and the like into the filter bin to form a dust suction effect, but the dust, the garbage and the like have certain viscosity, when the dust, the garbage and the like are filtered by the filter 201, a part of dust is adhered to the filter 201, when the working time of the dust collector is long or the dust and the like are much and the viscosity is high, the dust and the like on the filter 201 are more adhered, when the filter is surrounded by the dust and the like to a certain degree, the penetrability of the filter is poor, the passing air is little, the suction force of the dust collector is little, the dust and the garbage cannot be sucked or is little sucked, at the moment, a button on the air inlet adjusting valve 401 is pressed, so that the normal air inlet of the dust collector is blocked, the fan continuously pumps the air in the filter bin 20 through the negative pressure connecting hole 302 on the filter bin upper cover 30, but the air inlet 101 of the filter bin, the air in the filter bin 20 is quickly pumped out to form vacuum, at this time, the pulse valve 60 arranged on the filter bin upper cover 30 assists air intake, the pulse valve 60 is opened and air is intake instantly due to the difference between the internal pressure and the external pressure, the air intake forms air flow which is instantly blown inside the filter 201 and penetrates through the filter 201 to blow off dust adhered outside the filter 201, along with the inflow of the air in the filter bin 20, the internal pressure and the external pressure of the filter bin 20 are basically equal, the pulse valve 60 of the filter bin upper cover 30 pulls the valve baffle 605 tightly due to the attraction of the opposite poles of the first magnet 607 and the second magnet 608, and the pulse valve 60 is closed. As long as the air inlet channel of the air adjusting valve 401 on the dust removal hose 40 is not opened, the pulse valve 60 of the filter bin upper cover 30 forms a cycle of opening and closing regularly to form pulses, and the filter can be blown once when the pulse valve is opened every time, so that the aim of cleaning the filter without stopping and removing the filter is fulfilled.

In summary, the application discloses a dust collector, wherein a negative pressure connecting hole and a self-cleaning hole are arranged on an upper cover of a filter bin; the negative pressure connecting hole is communicated with the negative pressure assembly, and the self-cleaning hole is provided with a pulse valve; the barrel is provided with an air inlet connected with a dust removal hose, and the dust removal hose is provided with an air inlet regulating valve. The switch between the dust collection mode and the self-cleaning mode is realized by pressing a button on the air inlet adjusting valve. The new production line is not needed to be arranged, the existing dust collector can be modified, and the considerable cost is saved. And the defect that the prior art only can turn off the dust collector when cleaning the dust collector, detach the filter to clean the dust and the like on the dust collector, then mount the filter and start the dust collector for use, and thus, the prior art wastes time and labor.

For the convenience of clearly describing the technical solutions of the embodiments of the present invention, in the embodiments of the present invention, the words "first", "second", and the like are used to distinguish the same items or similar items with basically the same functions and actions, and those skilled in the art can understand that the words "first", "second", and the like do not limit the quantity and execution order.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. A vacuum cleaner, comprising: the device comprises a cylinder, a filtering bin upper cover, a dust removal hose and a negative pressure component;

2. The vacuum cleaner of claim 1, wherein the pulse valve comprises: the air conditioner comprises a shell, a rebound component and a valve baffle, wherein the top surface of the shell is provided with an air inlet;

3. The vacuum cleaner of claim 1, wherein the pulse valve further comprises: the magnetic coupling device comprises a connecting rod, a connecting rod fixing plate arranged in a shell, a first magnet arranged on the top of the shell, and a second magnet arranged on the top of the connecting rod, wherein the first magnet and the second magnet are opposite in attraction;

4. The vacuum cleaner of claim 3, wherein the pulse valve comprises: the two connecting rod fixing plates and the limiting stopper are arranged on the connecting rods;

wherein, the stopper is fixed between two connecting rod fixing plates.

5. The vacuum cleaner of claim 4,

the connecting rod is a threaded rod, and a screw hole matched with the threaded rod is formed in the back of the second magnet;

the limiting stopper is a nut sleeved on the threaded rod.

6. The vacuum cleaner of any one of claims 1-5, wherein the housing comprises an upper housing and a lower housing;

7. The vacuum cleaner of claim 1, wherein one end of the air inlet adjustment valve is connected to a hand-held end of the dust removal hose; the other end of the air inlet adjusting valve is used for being connected with a dust removal accessory.

8. The vacuum cleaner of claim 7,

the air intake regulating valve includes: the valve body, the baffle and the button;

9. The vacuum cleaner of claim 1,

the negative pressure assembly includes: a fan, an exhaust pipe and an exhaust pipe;