CN113440047B

CN113440047B - Dust cup and handheld dust collector with same

Info

Publication number: CN113440047B
Application number: CN202010227889.2A
Authority: CN
Inventors: 倪祖根
Original assignee: Kingclean Electric Co Ltd
Current assignee: Kingclean Electric Co Ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2022-09-20
Anticipated expiration: 2040-03-27
Also published as: CN113440047A

Abstract

The invention relates to a dirt cup, comprising: the cup body is provided with a cup body and a bottom cover which is buckled on the cup body in an openable way, a filter assembly is arranged in the cup body, and the filter assembly is fixed in the cup body; the lock catch is arranged on the cup body, is used for locking the dust collector and has a first state of locking the dust collector and a second state of releasing the dust collector; the cover opening switch is arranged on the cup body or the bottom cover and opens the bottom cover when being triggered; the release switch is arranged on the bottom cover, when the bottom cover is buckled on the cup body, the release switch is provided with a locking position and a release position, the lock catch is in a first state at the locking position, and the release switch enables the lock catch to be switched from the first state to a second state at the release position. The user can open the bottom cover to release dust through the cover opening switch; the dust cup can be detached through unlocking of the release switch, and then the dust is released.

Description

Dust cup and handheld dust collector with same

Technical Field

The invention relates to the field of cleaning tools, in particular to a dust cup and a handheld dust collector with the dust cup.

Background

The existing portable dust collector comprises a machine body containing a motor, a dust cup which is arranged at the front end and is detachably fixed on the machine body, and a dust cup locking structure which is arranged between the machine body and the dust cup. The bottom cover of the dust cup is characterized in that if the bottom cover of the dust cup needs to be opened, the bottom cover can be opened only by disassembling the dust cup component from the whole machine, and the operation is complicated.

Disclosure of Invention

Accordingly, in order to solve the above problems, it is necessary to provide a dust cup which can be used for dust dumping on a vacuum cleaner or for dust cleaning after the dust cup is removed.

A dirt cup, comprising:

the cup body is provided with a cup body and a bottom cover which is buckled on the cup body in an openable way, a filter assembly is arranged in the cup body, and the filter assembly is fixed in the cup body;

the lock catch is arranged on the cup body, is used for being locked on a dust collector and has a first state of being locked with the dust collector and a second state of releasing the dust collector;

the cover opening switch is arranged on the cup body or the bottom cover, and the cover opening switch opens the bottom cover when being triggered;

the release switch is arranged on the bottom cover, when the bottom cover is buckled on the cup body, the release switch is provided with a locking position and a release position, the lock catch is in the first state in the locking position, and the release switch enables the lock catch to be switched from the first state to the second state in the release position.

The dust cup is fixed on the dust collector through the lock catch, and a user can open the bottom cover to release dust by directly opening the cover opening switch; the dust cup can be detached through unlocking of the release switch, the cover opening switch is opened again to release dust, and a user can select a dust cup processing mode according to own requirements. When the user is using the dust catcher, if the uncapping switch has been opened by accident, the bottom is opened, and the back release switch is opened to the bottom can't act on the hasp, and filter assembly can not fall out from the dirt cup, and the dirt cup can't be pulled down from the dust catcher, has avoided the dirt cup to drop from the dust catcher, and the condition of the inside part of broken dirt cup takes place.

In one embodiment, a mounting groove is formed on one side of the cup body close to the bottom cover, the latch is located in the mounting groove, and the latch includes: the cup body comprises a clamping hook part and an elastic part, wherein one end of the elastic part is arranged on the bottom of the mounting groove, the other end of the elastic part is connected with the clamping hook part, and the telescopic direction of the elastic part is parallel to the axial direction of the cup body; the clamping hook part is used for being locked with the dust collector.

In one embodiment, a groove wall of the mounting groove is provided with a limit groove, and the hook part is provided with a protrusion entering the limit groove. When the protrusion is abutted to the wall of the limiting groove, the movement of the clamping hook part in the mounting groove is limited, and the clamping hook part is prevented from being separated from the mounting groove.

In one embodiment, one side surface of the protrusion facing the bottom cover is a plane, and one side surface of the protrusion facing away from the bottom cover is an inclined surface capable of passing through the groove wall of the limiting groove. The plane of the bulge can limit the movement of the clamping hook part; the clamping hook part can move a larger distance towards the bottom of the mounting groove by one side of the raised inclined surface, so that the clamping hook part is convenient to remove the matching with the hook body, and the clamping hook part and the elastic piece are mounted in the mounting groove.

In one embodiment, the release switch is a release button disposed on the bottom cover, and when the bottom cover is fastened to the cup body, the release button pushes the hook portion in a direction to unlock the dust collector when being pressed.

In one embodiment, one end of the release button is hinged to the bottom cover, the other end of the release button is arranged towards the clamping hook part, and when the bottom cover is buckled on the cup body, the release button is abutted against the clamping hook part. When the bottom cover is opened, the release button is separated from the clamping hook part, and the lock catch cannot be unlocked.

In one embodiment, one side of the bottom cover is hinged to the cup body, and the hinged side and the cover opening switch are respectively arranged on two sides of the dust cup body. The bottom cover is hinged to the cup body through two hinge points, the centers of the two hinge points are symmetrical to the center of the cover opening switch relative to the axis of the dust cup, the centers of the two hinge points are symmetrical to the center of the cover opening switch, the cup body can be better sealed, and dust in the dust cup is prevented from being scattered and leaked.

In one embodiment, the dirt cup comprises: the cup body is provided with a first filtering mechanism, a second filtering mechanism and a filter element assembly which are arranged along the axis of the cup body, and the cup body is provided with an air inlet hole which is opposite to the air inlet side of the first filtering mechanism.

In one embodiment, the second filter mechanism is provided with a first protrusion, the filter element assembly is provided with a second protrusion, the cup body is provided with an exposing groove, and the first protrusion and the second protrusion penetrate through the exposing groove and protrude out of the cup body.

The invention further discloses a handheld dust collector which comprises the dust cup.

In one embodiment, the dust collector is provided with a microswitch, when the dust cup is arranged on the dust collector, the microswitch corresponds to the exposed groove of the dust cup, and the first bulge and the second bulge of the dust cup support against the microswitch.

Drawings

FIG. 1 is a schematic view of an embodiment of a dirt cup mounted on a vacuum cleaner;

FIG. 2 is a partial schematic view of a cross-sectional view taken at location A-A of FIG. 1, showing primarily the configuration of the rear end of the dirt cup mounted on the cleaner;

FIG. 3 is a partial structural view of a cup body according to an embodiment;

FIG. 4 is a schematic view of an embodiment of a bottom cover of a dirt cup;

FIG. 5 is an exploded view of the dirt cup and vacuum cleaner in one embodiment;

FIG. 6 is a schematic view of an embodiment of a disassembled dirt cup;

FIG. 7 is a cross-sectional view of the vacuum cleaner and dirt cup of FIG. 1;

FIG. 8 is an exploded view of the second cyclone housing and filter element assembly in one embodiment.

Wherein: 1. a cup body; 11. a cup body; 111. mounting grooves; 1111. a limiting groove; 12. a bottom cover; 121. A boss portion; 122. a clamping block; 13. an air inlet hole; 14. a primary filtering mechanism; 141. a primary cyclone cover; 142. A filter screen support frame; 143. a filter screen; 15. a secondary filtering mechanism; 151. a secondary cyclone cover; 152. a secondary cyclone cone; 1521. a rubber ring; 153. a dust collecting hopper; 154. a first protrusion; 155. a handle; 16. a filter element assembly; 161. a filter element clamp; 162. a filter element; 163. a second protrusion; 17. exposing the groove; 2. a vacuum cleaner; 21. a hook body; 22. an air inlet; 23. an air inlet channel; 24. a motor air inlet cover; 241. a raised clamping part; 25. a microswitch; 31. a hook part; 311. a hook body; 312. a hook is clamped; 313. a protrusion; 32. An elastic member; 4. a cover opening switch; 5. a release switch; 51. a restoring elastic member; 6. a hinged side.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

One embodiment of the invention discloses a dust cup, as shown in fig. 1, the dust cup is used on a handheld dust collector 2, and the dust cup can pour out dust on the dust collector 2 directly or can be detached from the dust collector 2 and then pour out the dust.

The dirt cup includes: cup 1, hasp, uncap switch 4, release switch 5 and the inside filtering component of cup 1. Wherein cup 1 includes cup body 11 and establishes bottom 12 on cup body 11, and the hasp is established on cup body 11, and the hasp can lock with dust catcher 2, locks cup 1 on dust catcher 2, and release switch 5 establishes on bottom 12, and when bottom 12 lock was on cup body 11, cup body 11 was sealed. Referring to fig. 1 and 2, when the bottom cap 12 is completely fastened to the cup body 1, the release switch 5 has a locking position and a release position, and when the release switch 5 is located at the release position, the latch is released to unlock the cleaner 2. The cover opening switch 4 is arranged on the bottom cover 12 or on the cup body 11, and the bottom cover 12 can be opened to release dust when the cover opening switch 4 is triggered.

Therefore, when a user uses the handheld dust collector 2, the simple dust dumping treatment can be directly carried out by triggering the cover opening switch 4, and the operation is simple and convenient; the dust cup can be detached from the dust collector 2 by the release switch 5, and the bottom cover 12 is opened by the cover opening switch 4, so that the dust cleaning treatment can be carried out more thoroughly. The user can select the processing mode of the dust cup according to the requirement of the user.

As shown in fig. 2, a mounting groove 111 is formed on one side of the cup body 11 close to the bottom cover 12, the latch is located in the mounting groove 111, and the latch includes: trip portion 31 and elastic component 32, the tank bottom at mounting groove 111 is established to the one end of elastic component 32, and the other end links to each other with trip portion 31, and the tank bottom of mounting groove 111 is perpendicular to the axis of dirt cup, and the elastic force direction that elastic component 32 provided for trip portion 31 is on a parallel with the axis of dirt cup. The hook portion 31 includes a hook portion body 311 and a hook 312, and the size of the hook portion body 311 is slightly smaller than that of the mounting groove 111, so that the hook portion 31 can only move along the extending direction of the elastic member 32. In the present embodiment, the elastic member 32 is a spring, but the elastic member 32 may be another member having an elastic force, and the present embodiment is only an example of a spring and is not particularly limited.

The dust collector 2 is provided with a hook body 21, the hook 312 is used for being matched and locked with the hook body 21, wherein the hook 312 and the head of the hook body 21 are both provided with an inclined surface; when the dust cup is installed, referring to fig. 1 and 2, the top of the cup body 11 is firstly abutted against the dust collector 2, and then the end of the cup body 11 with the lock catch is clamped into the hook body 21, when the hook portion 31 is clamped into the hook body 21, the inclined surface on the hook 312 is matched with the inclined surface on the hook body 21, and the elastic member 32 is compressed by the acting force of the hook body 21 on the hook 312, so that the hook 312 enters the hook body 21 and is clamped with the hook body 21, and the elastic member 32 is reset. When the hook 312 of the lock catch is engaged with the hook 21, the lock catch is in a first state for locking the cleaner 2, and when the hook 312 is disengaged from the hook 21, the lock catch is in a second state for releasing the cleaner 2.

In order to prevent the hook 31 from being separated from the cup body 11 by the elastic force of the elastic member 32, referring to fig. 2 and 3, a limit groove 1111 is disposed on a side wall of the mounting groove 111 in this embodiment, the limit groove 1111 may be disposed on any groove wall of the mounting groove 111 except for a groove bottom, the limit groove 1111 may be a groove or a through groove, a protrusion 313 is formed on the hook 31, the protrusion 313 is located in the limit groove 1111, the protrusion 313 and the hook 31 are integrated, and the protrusion 313 is limited in the limit groove 1111 to move, so as to limit the moving position of the hook 31 in the mounting groove 111. When the protrusion 313 abuts against the two side walls of the limiting groove 1111, which is the limit position of the hook 31 moving in the mounting groove 111, the protrusion 313 and the limiting groove 1111 are configured to prevent the hook 31 from separating from the mounting groove 111. In other embodiments, a limiting groove may be formed on the hook portion 31, a protrusion entering the limiting groove on the hook portion 31 is formed on the mounting groove 111 to limit the moving position of the hook portion 31 in the mounting groove 111, and a displacement of the hook portion 31 between the hook portion 31 and the mounting groove 111 may also be limited by other manners, such as a stop disposed in the mounting groove 111, which is not specifically limited in this embodiment.

It should be noted that the side of the protrusion 313 facing the bottom cover 12 is a flat surface, and the side away from the bottom cover 12 is an inclined surface. When the release switch 5 is released, the elastic member 32 pushes the hook portion 31 and the protrusion 313 to move toward the bottom cover 12, and when one side of the plane of the protrusion 313 abuts against the groove wall of the limit groove 1111, the hook portion 31 cannot continue to move toward the bottom cover 12, so as to prevent the hook portion 31 from separating from the mounting groove 111, and meanwhile, the hook portion 312 is prevented from extending too long, so that the hook 321 and the hook body 21 are dislocated when the dust cup is mounted, and the situation that the hook portion cannot slide along the inclined surface is avoided. The moving distance of the hook 31 in the mounting groove 111 is determined by the length of the limit groove 1111, but when the protrusion 313 moves towards the direction of compressing the elastic element 32, the protrusion can be separated from the limit groove 1111 by the inclined surface and the elasticity of the protrusion, so as to increase the retraction distance of the hook 31 in the mounting groove 111, facilitate the hook 31 to be separated from the hook 21, and when the protrusion 313 separated from the limit groove 1111 moves towards the direction of releasing the elastic element 32, the protrusion can be separated from the limit groove 1111 by the inclined surface and the elasticity of the protrusion again into the limit groove 1111.

The release switch 5 may be any type of switch, such as a knob, a push switch, etc., and the release switch 5 in the present embodiment is described by taking a release button as an example, and the release switch 5 has a lock position and a release position when the bottom cover 12 is fastened to the cup body 1, regardless of the type of switch of the release switch 5. As shown in fig. 2, one end of the release button is hinged to the bottom cover 12, the other end is disposed toward the hook portion 31, the lower end of the release button is hinged to the bottom cover 12, the upper end is close to the hook portion 31, the position of the release button when not pressed is the lock position, and the position when pressed is the release position. When the release button is located at the lock position, the release button may have a certain gap with the hook portion 31 or abut against the hook portion 31, and the release button does not apply an acting force to the hook portion 31, or a small acting force is provided between the hook portions 31, so that the hook portion 31 is not sufficiently displaced. When the release button is pressed and the position of the release button is switched from the locking position to the release position, the upper end of the release button pushes the hook part 31 to compress the elastic element 32, so that the hook 312 is disengaged from the hook body 21 of the dust collector 2, the lock catch is switched from the first state to the second state, and at the moment, the user can detach the cup body 11 from the dust collector 2. When the release switch 5 is a knob, the knob may have different thicknesses and press the hook 31 when rotated; when the release switch 5 is a push switch, the push switch can be inserted between the hook 312 and the hook 21 when pushed upward, and the elastic member 32 is compressed to release the latch, which is not described in detail in this embodiment. Be connected with the elastic component 51 that resets between release button and bottom cap 12, the elastic component 51 that resets can be reset spring, and release button is rebounded after pressing, and convenience of customers uses next time. Meanwhile, the release button is provided with certain lines, so that the operation of a user is facilitated.

In this embodiment, since the upper end surface of the hook 312 is an inclined surface, when the dust cup is installed, the hook 312 can pass through the engagement between the hook 312 and the inclined surface of the hook 21 of the dust collector 2, and the hook 312 that passes through is directly engaged with the hook 21; in some embodiments, the upper end surface of the hook 312 is a plane and cannot directly pass through the hook body 21, and the hook 312 can pass through the hook body 21 and be matched with the hook body 21 only by pressing the release switch 5 to retract the hook 312, so that the dust cup can be mounted on the dust collector 2 only when the bottom cover 12 is fastened, thereby avoiding the situation that the dust cup is not in a closed state and the dust collector 2 works.

As can be seen from the above, the bottom end of the dust cup can be mounted and dismounted on the dust collector 2 through the release switch 5, and the top end of the cup body 1 can also be detachably connected with the dust collector 2, as shown in fig. 5, one side of the dust collector 2 close to the top end of the dust cup is provided with the motor air inlet cover 24, the motor air inlet cover 24 is arranged in a ladder shape, the front end of the motor air inlet cover can enter the cup body 11, the front end of the motor air inlet cover 24 is provided with a convex clamping portion 241 in the radial direction, the cup body 11 is provided with a clamping groove 112 corresponding to the convex clamping portion 241, when the dust cup is mounted, the top of the cup body 11 is pushed to the front end of the motor air inlet cover 24 to enter the cup body 11, the cup body 11 has certain elasticity, the convex clamping portion 241 can enter the cup body 11 and be embedded into the clamping groove 112, so as to realize the fixation of the top end of the cup body 11 on the dust collector 2, when the tail end of the cup body 11 is mounted on the dust collector 2 through the release switch 5, the installation of the dust cup on the dust collector 2 is realized. When the dust cup is disassembled, the tail end of the dust cup is separated from the dust collector 2 through the release switch 5, the whole dust cup can be inclined, the inclined cup body 11 is not matched with the convex clamping part 241, and the dust cup is disassembled. Because the cooperation of joint between cup body 11 and the motor air inlet cover 24, under the condition of not dismantling dirt cup, the cup can't fall the ash through the upset, so fall the ash through opening bottom 12 in this embodiment, fall the ash convenient easy operation simultaneously. In some embodiments, the fastening groove 112 may be formed in the motor air inlet cover 24, the raised fastening portion 241 is formed on the cup body 11 to cooperate with the motor air inlet cover 24, and the motor air inlet cover 24 and the cup body 11 may also be cooperatively connected in other manners, which is not limited in this embodiment.

As shown in fig. 6 and 7, the dust collector 2 has an air inlet 22 and an air inlet channel 23 communicating with the air inlet 22, the cup body 11 has an air inlet hole 13, when the dust cup is mounted on the dust collector 2, the air inlet hole 13 corresponds to and communicates with the air inlet channel 23, the dust-containing air flow enters the dust cup through the air inlet channel 23 and the air inlet hole 13, and after being filtered by the filter assembly, the dust-containing air flow flows to the motor of the dust collector 2 through the motor air inlet cover 24. An air inlet gasket (not shown in the figure) can be arranged on the air inlet hole 13, the air inlet gasket is positioned on the inner wall of the dust cup and is a flexible gasket, one side of the air inlet gasket is fixed on the air inlet hole 13 and covers the air inlet hole 13, when the dust collector works 2, the air inlet gasket covered on the air inlet hole 13 is opened by negative pressure in the dust cup, the air inlet hole 13 is opened, and dust-containing air flow can enter the dust cup through the air inlet hole 13; when the dust collector 2 stops working, the air pressure in the dust cup is normal, the air inlet gasket rebounds to close the air inlet hole 13 again, and when the dust cup is detached from the dust collector 2, the air inlet hole 13 is still closed, so that dust cannot be leaked. The filter assembly includes: one-level filtering mechanism 14, second grade filtering mechanism 15, establish the filter element subassembly 16 at first filtering mechanism top, wherein, one-level filtering mechanism 14 includes: the dust cup comprises a primary cyclone cover 141 with a spirally extending periphery, a support 142 of a filter screen 143 arranged at the bottom of the primary cyclone cover 141, and a filter screen 143 arranged between the primary cyclone cover 141 and the support 142 of the filter screen 143, wherein the inner cavity of the dust cup is divided into an inner part and an outer part through the primary cyclone cover 141, the filter screen 143 and the support 142 of the filter screen 143.

The primary cyclone cover 141 has an air inlet side facing the air inlet hole 13, and the air flows toward the filter screen 143 in a unidirectional spiral along the outer wall of the primary cyclone cover 141. The first dust-gas separation is realized, larger particles of dust are filtered, and the airflow enters the filter screen 143 and is subjected to the second dust-gas separation through the secondary filter mechanism 15.

The secondary filter mechanism 15 includes: the secondary cyclone cover 151 is connected with the primary cyclone cover 141, the secondary cyclone cone 152 is arranged on the secondary cyclone cover 151, and the dust hopper 153 is connected with the secondary cyclone cone 152, the secondary cyclone cone 152 is arranged at the top of the dust hopper 153, and the dust hopper 153 passes through the first cyclone cone and the filter screen 143, and the support frame 142 extends towards the bottom of the cup body 11. In the present embodiment, the outer ring of the secondary cyclone cone 152 is connected to the dust hopper 153 in a snap-fit manner, but the outer ring of the secondary cyclone cone 152 may also be connected to the dust hopper 153 by a bolt connection, an adhesive connection, or the like, and the present embodiment is not limited in particular. The filter element assembly 16 is arranged at the upper end of the secondary cyclone cover 151. The secondary air inlet barrel and the dust hopper 153 are coaxially arranged, the air flow passing through the filter screen 143 enters the dust hopper 153 from the secondary cyclone cone 152, is spirally downwards rushed, is upwards drawn out from the center of the conical bottom of the dust hopper 153 and enters the filter element assembly 16 for filtering.

Be provided with the baffle in the second grade whirlwind cover 151, the baffle separates first space and second space with second grade whirlwind cover 151, and one-level whirlwind awl is installed in first space, and one-level whirlwind awl and the rotatory joint of second grade whirlwind cover 151, filter element subassembly 16 are located the second space, as shown in fig. 8, filter element subassembly 16 includes: cartridge clip 161, a cartridge disposed within cartridge clip 161, and an overmold 162 covering an outer wall of cartridge clip 161, cartridge clip 161 comprising: a skirt edge extending to the cylinder part circumference for receiving the cylinder part of the filter element, and the rubber coating 162 coats the skirt edge and enters the secondary cyclone cover 151. The filter element clamp 161 has a clamp body protrusion in the radial direction, the rubber coating 162 has a second protrusion 163 covering the clamp body protrusion, the secondary cyclone cover 151 has a first protrusion 154 in the radial direction, the first protrusion 154 is attached to the second protrusion 163, the cup body 11 is provided with an exposure groove 17, and the first protrusion 154 and the second protrusion 163 penetrate through the exposure groove 17 and protrude outside the cup body 11. The positions of the secondary cyclone cover 151, the filter element clamp 161 and the rubber coating 162 are fixed.

It is worth noting that the dust collector 2 is also provided with a microswitch 25, the microswitch 25 is connected with a motor of the dust collector 2, and can control the on-off of the motor, when the dust cup is arranged on the dust collector 2, the first bulge 154 and the second bulge 163 are protruded outside the cup body 11 and abut against the microswitch 25, the abutted microswitch 25 is closed, and the motor can work normally; when the dust cup is detached from the dust collector 2 or the dust cup is detached from the dust collector 2 due to improper use of a user, the first protrusion 154 and the second protrusion 163 do not abut against the microswitch 25, the microswitch 25 is turned off, the motor is powered off, and the situation that unfiltered airflow directly enters the motor to cause the motor damage is avoided.

In this embodiment, the exposing groove 17, the air inlet hole 13 and the hook 312 portion 31 are located on the same straight line, so that the hook 21, the air inlet channel 23 and the microswitch 25 of the dust collector 2 are located on the same straight line, the structure of the dust collector 2 is more compact, and the whole volume of the dust collector 2 and the dust cup is reduced. It is worth noting that when the bottom cover 12 is fastened on the cup body 11, as shown in fig. 2, the bottom cover 12 is formed with a protruding portion 121 embedded in the cup body 11, the protruding portion 121 is a cross arc rib, the bottom of the dust hopper 153 is provided with a flexible annular soft glue 156, the annular soft glue 156 is used for being attached to the bottom cover 12, the protruding portion 121 enters the annular soft glue, the protruding portion 121 can improve the vacuum degree in the annular soft glue 156, and the annular soft glue 156 is prevented from being deformed due to excessive dust in the annular soft glue 156; meanwhile, when the bottom cover 12 is fastened, the protrusion 121 may play a guiding role. The release switch 5 is close to the hook portion 31, and the release switch 5 can be pressed to unlock the latch, but if the bottom cover 12 is opened, as shown in fig. 3 and 4, the release switch 5 on the bottom cover 12 is located at a certain distance from the hook portion 31, and at this time, the release switch 5 cannot be pressed to unlock the latch. When the user uses the dust collector 2, if the cover opening switch 4 is opened by accident, the bottom cover 12 is opened, at this time, the dust cup can not be detached from the dust collector 2 because the release switch 5 is far away from the clamping hook part 31, and the condition that the dust cup falls off from the dust collector 2 and breaks the components in the dust cup is avoided. Meanwhile, with reference to fig. 7 and 8, since the positions of the secondary cyclone cover 151, the filter element clamp 161 and the rubber coating 162 are fixed in the cup body 11, the secondary cyclone cover 151 is further sleeved with a rubber ring 1521, and the rubber ring 1521 abuts against the inner wall of the cup body 11, the friction force between the secondary cyclone cover 151 and the cup body 11 is increased; the secondary cyclone cover 151 is fixedly clamped with the primary cyclone cover 141 and the secondary cyclone cone 152, the secondary cyclone cone 152 is fixedly clamped with the dust hopper 153, and the primary cyclone cover 141 is fixedly connected with the support frame 142 of the filter screen 143, so that all components in the dust cup are fixed in the dust cup, and no component falls out of the dust cup when the bottom cover 1212 is opened.

It should be noted that a handle 155 is disposed on the secondary cyclone cover 151, the handle 155 is rotatably hidden in the secondary cyclone cover, when the dust cup is cleaned, the filter element assembly 16 can be removed first, and then the handle 155 in the secondary cyclone cover 151 is pulled out, and since the secondary cyclone cover 151, the primary cyclone cover 141, the secondary cyclone cone 152 and the dust hopper 153 are connected and fixed to each other, the filter elements in the dust cup can be pulled out completely for cleaning. When the filter assembly is reinstalled, the protrusions 121 guide the installation of the dirt collection hopper 153 and the entire filter assembly by the curved edges.

As shown in fig. 4, one side of the bottom cover 12 in this embodiment is hinged to the cup body 11, one side of the bottom cover 12 hinged to the cup body 11 is a hinge side 6, and the lid opening switch 4 and the hinge side 6 are respectively located on two sides of the cup body 11. The hinged side 6 of the bottom cover 12 is provided with two hinged points hinged with the cup body 11, the centers of the two hinged points and the center of the cover opening switch 4 are symmetrical relative to the axis of the dust cup, the centers of the two hinged points and the center of the cover opening switch 4 are symmetrical, so that the cup body 11 can be better sealed, and dust in the dust cup is prevented from leaking. The hinge side 6 is provided with a torsion spring, and the bottom cover 12 can be automatically opened when the cover opening switch 4 is opened.

The cover opening switch 4 can be arranged on the cup body 11, the bottom cover 12 is provided with a raised clamping block 122, the cover opening switch 4 can be slidably arranged on the cup body 11, the bottom cover 12 is buckled on the cup body 11, the clamping block 122 enters the cover opening switch 4 and is clamped with a clamping part in the cover opening switch 4 and the clamping block 122 to lock the bottom cover 12, and a user can open the bottom cover 12 by sliding the cover opening switch 4 to contact the clamping part and clamp the clamping block 122; the lid-opening switch 4 may be a push switch or a rotary switch, which is not described in detail in this embodiment. Certainly, the lid opening switch 4 may also be disposed on the bottom cover 12, at this time, the lid opening switch 4 may be a hook-shaped portion (shown in the figure) hinged on the bottom cover 12, a clamping groove is disposed on the cup body 11, when the hook-shaped portion is clamped into the clamping groove, the bottom cover 12 is locked on the cup body 11, and the hook-shaped portion may have elasticity for the user to release the locking of the hook-shaped portion on the cup body 11.

In this embodiment, the dust cup is cylindrical, the end of the dust cup close to the air inlet of the dust collector 2 is the bottom end, part of the dust collector 2 is embedded into the bottom end of the dust cup, one part of the bottom end of the dust cup is embedded into the dust collector 2, and the other part of the bottom end of the dust cup is sealed by the bottom cover 12. The cover opening switch 4 is arranged on the cup body 11, the release switch 5 is arranged on the central axis of the bottom cover 12, and the hook body 21 of the dust collector 2 is also positioned on the central axis of the bottom cover 12, so that the dust collector 2 can be embedded into the dust cup to the maximum extent, and the stability of the dust cup arranged on the dust collector 2 is improved. The hinged side 6 and the cover opening switch 4 are symmetrically arranged on two sides of the release switch 5, and the hinged side 6 and the cover opening switch 4 are symmetrically arranged to enable the rotation center and the locking center of the bottom cover 12 to be positioned on the same straight line, so that the bottom cover 12 is uniformly sealed at the bottom end of the dust cup, and the condition that dust is spilled due to the fact that part of the bottom cover 12 is tilted due to uneven stress is avoided.

In the dust cup in the embodiment, the release switch 5, the lock catch and the cover opening switch 4 are arranged, so that the cover opening of the dust cup on the dust collector 2 and the disassembly of the dust cup can be realized; meanwhile, when the bottom cover 12 is opened by misoperation, the lock catch cannot be released, so that the dust cup is prevented from falling, and components in the dust cup are protected.

One embodiment of the present invention relates to a vacuum cleaner including a dirt cup as in the first embodiment.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A dirt cup, comprising:

the lock catch is arranged on the cup body and used for being locked on a dust collector, and the lock catch has a first state of being locked with the dust collector and a second state of releasing the dust collector;

the cover opening switch is arranged on the cup body or the bottom cover, when the lock catch is in the first state, namely the lock catch locks the cup body on the dust collector, the cover opening switch is triggered, the cup body and the bottom cover are released from buckling, and a user can pour ash;

the release switch is arranged on the bottom cover, and when the bottom cover is buckled on the cup body, the release switch is provided with a locking position and a release position, the lock catch is in the first state in the locking position, and the release switch enables the lock catch to be switched from the first state to the second state in the release position.

2. The dirt cup of claim 1, wherein a mounting slot is formed in the cup body on a side thereof adjacent to the bottom cover, and the latch is positioned in the mounting slot, the latch comprising: the cup body comprises a clamping hook part and an elastic part, wherein one end of the elastic part is arranged on the bottom of the mounting groove, the other end of the elastic part is connected with the clamping hook part, and the telescopic direction of the elastic part is parallel to the axial direction of the cup body; the clamping hook part is used for being locked with the dust collector; and when the bottom cover is opened, the lock catch cannot be switched to the second state.

3. The dirt cup of claim 2, wherein a retaining groove is formed in a wall of the mounting groove, and a protrusion is formed on the hook portion to enter the retaining groove.

4. The dirt cup of claim 2, wherein the release switch is a release button disposed on the bottom cover, and when the bottom cover is snapped onto the cup body, the release button pushes the hook portion in a direction to unlock the vacuum cleaner when pressed.

5. The dirt cup of claim 4, wherein the release button is pivotally connected to the bottom lid at one end and is disposed toward the catch portion at the other end, and the release button abuts against the catch portion when the bottom lid is fastened to the cup body.

6. The dirt cup of claim 5, wherein one side of the bottom lid is hinged to the cup body, and the hinged side and the lid opening switch are respectively disposed on two sides of the dirt cup body.

7. The dirt cup of claim 1, wherein the dirt cup comprises: the cup body is provided with a first filtering mechanism, a second filtering mechanism and a filter element assembly which are arranged along the axis of the cup body, and the cup body is provided with an air inlet hole which is opposite to the air inlet side of the first filtering mechanism.

8. The dirt cup of claim 7, wherein the second filter mechanism includes a first protrusion and the filter element assembly includes a second protrusion, and wherein the cup body includes an exposure slot, and wherein the first protrusion and the second protrusion extend through the exposure slot and protrude outside the cup body.

9. A hand-held cleaner comprising the dirt cup of any of claims 1-8, wherein the dirt cup is removable from the hand-held cleaner when the latch is in the second position.

10. The vacuum cleaner of claim 9, wherein a microswitch is disposed on the vacuum cleaner, and when the dirt cup is mounted on the vacuum cleaner, the microswitch corresponds to the exposed groove of the dirt cup, and the first protrusion and the second protrusion of the dirt cup abut against the microswitch.