CN113440047B - Dust cups and hand-held vacuum cleaners with the same - Google Patents

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 hand-held vacuum cleaner with same

technical field

The present invention relates to the field of cleaning appliances, in particular to a dust cup and a hand-held vacuum cleaner with the dust cup.

Background technique

Existing portable vacuum cleaners include a body containing a motor, a dust cup located at the front end and detachably fixed to the body, and a dust cup locking structure located between the body and the dust cup. Its characteristic is that if the bottom cover of the dust cup is to be opened, the dust cup assembly needs to be disassembled from the whole machine before the bottom cover can be opened, and the operation is relatively cumbersome.

SUMMARY OF THE INVENTION

Based on this, it is necessary to provide a dust cup in view of the above problems, which can not only pour dust on the vacuum cleaner, but also can remove the dust cup for dust cleaning.

A dust cup comprising:

A cup body, the cup body has a cup body and a bottom cover openably fastened to the cup body, the cup body is provided with a filter assembly, and the filter assembly is fixed on the cup body Inside;

a lock is provided on the cup body, the lock is used for locking on the vacuum cleaner, and has a first state of locking with the vacuum cleaner and a second state of releasing the vacuum cleaner;

a cover opening switch, which is arranged on the cup body or the bottom cover, and the bottom cover is opened when the cover opening switch is triggered;

A release switch is provided on the bottom cover. When the bottom cover is fastened on the cup body, the release switch has a locking position and a releasing position. In the locking position, the lock is in the In the first state, in the release position, the release switch switches the lock from the first state to the second state.

The above-mentioned dust cup is fixed on the vacuum cleaner by a lock. The user can open the bottom cover to release the dust by directly turning on the cover opening switch; or remove the dust cup by unlocking the release switch, and then open the cover opening switch to release the dust. Choose how to handle the dust cup according to your own needs. When the user uses the vacuum cleaner, if the lid open switch is turned on inadvertently, the bottom lid is opened, and the release switch cannot act on the lock after the bottom lid is opened, the filter assembly will not fall out of the dust cup, and the dust cup cannot be removed from the vacuum cleaner. , to avoid the dust cup falling from the vacuum cleaner and breaking the parts inside the dust cup.

In one embodiment, an installation groove is formed on the side of the cup body close to the bottom cover, the lock is located in the installation groove, and the lock includes: a hook portion, an elastic member, One end of the elastic piece is set on the groove bottom of the installation slot, and the other end is connected with the hook portion, and the expansion and contraction direction of the elastic piece is parallel to the axial direction of the cup body; the hook portion is used for to lock with the vacuum cleaner.

In one embodiment, a limit groove is defined on a groove wall of the installation groove, and a protrusion that enters the limit groove is formed on the hook portion. When the protrusion is in contact with the groove wall of the limiting groove, the movement of the hook portion in the installation groove is restricted to prevent the hook portion from leaving the installation groove.

In one embodiment, a side surface of the protrusion facing the bottom cover is a flat surface, and a side surface of the protrusion facing away from the bottom cover is an inclined surface that can pass through the groove wall of the limiting groove. The raised plane can limit the movement of the hook part; the side of the raised slope allows the hook part to move a large distance towards the bottom of the installation slot, which is convenient for the hook part to release the hook body and the hook part. And the installation of elastic parts in the installation groove.

In one embodiment, the release switch is a release button provided on the bottom cover, and when the bottom cover is fastened on the cup body, the release button releases the card when pressed. The hook portion is pushed in a direction to be unlocked from the vacuum cleaner.

In one embodiment, one end of the release button is hinged on the bottom cover, and the other end is disposed toward the hook portion. When the bottom cover is fastened on the cup body, the release button is connected to the bottom cover. The hook portions are in contact with each other. When the bottom cover is opened, the release button is separated from the hook, and the lock cannot be unlocked.

In one embodiment, one side of the bottom cover is hinged on the cup body, and the hinged side and the lid opening switch are respectively provided on two sides of the dust cup body. There are two hinge points on the hinge side of the bottom cover that are hinged with the cup body. The center of the two hinge points and the center of the lid open switch are symmetrical with respect to the axis of the dust cup. The center of the two hinge points is symmetrical with the center of the lid open switch for better closure. Cup body to avoid dust leakage in the dust cup.

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

In one embodiment, a first protrusion is formed on the second filter mechanism, a second protrusion is formed on the filter element assembly, an exposure groove is formed on the cup body, and the first protrusion and the The second protrusion passes through the exposed groove and protrudes outside the cup body.

An embodiment of the present invention also discloses a hand-held vacuum cleaner, comprising the above-mentioned dust cup.

In one embodiment, the vacuum cleaner is provided with a micro switch, when the dust cup is installed on the vacuum cleaner, the micro switch corresponds to the exposed groove of the dust cup, and the dust cup is The first protrusion and the second protrusion abut the micro switch.

Description of drawings

1 is a schematic structural diagram of a dust cup installed on a vacuum cleaner in an embodiment;

Fig. 2 is a partial schematic view of the cross-sectional view at the position A-A in Fig. 1, mainly reflecting the structure of the dust cup tail end mounted on the vacuum cleaner;

3 is a schematic diagram of a partial structure of a cup body in an embodiment;

4 is a schematic structural diagram of an open top bottom cover of the dust cup in one embodiment;

5 is an exploded schematic diagram of a dust cup and a vacuum cleaner in one embodiment;

6 is a schematic structural diagram of a disassembled dust cup in an embodiment;

Figure 7 is a cross-sectional view of the vacuum cleaner and dust cup in Figure 1;

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

Among them: 1, cup body; 11, cup body; 111, installation groove; 1111, limit groove; 12, bottom cover; 121, convex part; 122, block; 13, air inlet hole; Filter mechanism; 141, primary cyclone cover; 142, filter support frame; 143, filter screen; 15, secondary filter mechanism; 151, secondary cyclone cover; 152, secondary cyclone cone; 1521, rubber ring; 153, Dust hopper; 154, first protrusion; 155, handle; 16, filter element assembly; 161, filter element clip; 162, filter element; 163, second protrusion; 17, exposed groove; 2, vacuum cleaner; 21, hook body; 22, air inlet; 23, air inlet channel; 24, motor air inlet hood; 241, raised clip part; 25, micro switch; 31, clip hook part; 311, clip hook part body; 312, clip hook; 313, protrusion; 32, elastic piece; 4, cover opening switch; 5, release switch; 51, reset elastic piece; 6, hinged side.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and do not limit the protection scope of the present invention.

It should be noted that when an element is referred to as being "fixed 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 similar expressions used herein are for the purpose of illustration only and do not represent the only embodiment.

Unless otherwise defined, 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 terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

An embodiment of the present invention discloses a dust cup. As shown in FIG. 1 , the dust cup is used on the hand-held vacuum cleaner 2 . The dust cup can directly pour out the dust on the vacuum cleaner 2 , or can be removed from the vacuum cleaner 2 and then Pour out the ashes.

The dust cup includes: a cup body 1 , a lock, a cover opening switch 4 , a release switch 5 and a filter assembly inside the cup body 1 . The cup body 1 includes a cup body 11 and a bottom cover 12 arranged on the cup body 11. The lock is provided on the cup body 11. The lock can be locked with the vacuum cleaner 2, and the cup body 1 is locked on the vacuum cleaner 2. The release switch 5 is provided on the bottom cover 12 , and when the bottom cover 12 is fastened on the cup body 11 , the cup body 11 is closed. 1 and 2, when the bottom cover 12 is fully buckled on the cup body 1, the release switch 5 has a lock position and a release position. When the release switch 5 is in the release position, the lock is released, and the vacuum cleaner 2 is unlocked. . The cover opening switch 4 is arranged on the bottom cover 12 or on the cup body 11 . When the cover opening switch 4 is triggered, the bottom cover 12 can be opened to release dust.

It can be seen from the above that when the user uses the hand-held vacuum cleaner 2, the user can directly trigger the lid-opening switch 4 to perform simple ash dumping treatment, which is simple and convenient; the dust cup can also be removed from the vacuum cleaner 2 through the release switch 5, and then the lid-opening switch 4 can be used to remove the dust cup. The bottom cover 12 is opened to perform a more thorough cleaning process. Users can choose the dust cup processing method according to their own needs.

As shown in FIG. 2 , an installation groove 111 is formed on the side of the cup body 11 close to the bottom cover 12 , and the lock is located in the installation groove 111 . The lock includes a hook portion 31 and an elastic member 32 , and one end of the elastic member 32 It is arranged at the bottom of the installation groove 111, and the other end is connected with the hook portion 31. The groove bottom of the installation groove 111 is perpendicular to the axis of the dust cup, and the direction of the elastic force provided by the elastic member 32 for the hook portion 31 is parallel to the axis of the dust cup. . The hook portion 31 includes a hook portion body 311 and a hook portion 312 . The size of the hook portion body 311 is slightly smaller than the size of the installation slot 111 , so that the hook portion 31 can only move along the expansion and contraction direction of the elastic member 32 . In this embodiment, the elastic member 32 is a spring. Of course, the elastic member 32 may also be other elastic members. In this embodiment, only a spring is used as an example, and no specific limitation is made.

The vacuum cleaner 2 is provided with a hook 21, and the hook 312 is used for locking with the hook 21, wherein the hook 312 and the head of the hook 21 both have a slope; First, the top of the cup body 11 is pressed against the vacuum cleaner 2, and then the lock end of the cup body 11 is inserted into the hook body 21. When the hook portion 31 is locked into the hook body 21, the inclined surface on the hook In cooperation with the inclined surface of the hook body 21 , the force of the hook body 21 on the hook 312 compresses the elastic member 32 , so that the hook 312 enters the hook body 21 and engages with the hook body 21 , and resets the elastic member 32 . When the hook 312 of the lock is engaged with the hook body 21 , the lock is in the first state of locking the cleaner 2 , and when the hook 312 is disengaged from the hook body 21 , the lock is in the second state of releasing the cleaner 2 .

In order to prevent the hook portion 31 from detaching from the cup body 11 under the elastic force of the elastic member 32, referring to FIG. 2 and FIG. 3, a limit slot 1111 is defined on one side wall of the installation slot 111 in this embodiment, and the limit slot 1111 can be Opened on any groove wall except the groove bottom in the installation groove 111, the limit groove 1111 can be a groove or a through groove, and a protrusion 313 is formed on the hook portion 31, and the protrusion 313 is located in the limit groove 1111, The protrusion 313 is integral with the hook portion 31 , and the protrusion 313 is restricted to move in the limiting groove 1111 , thereby limiting the moving position of the hook portion 31 in the installation groove 111 . When the protrusion 313 is in contact with the two side walls of the limiting groove 1111 , it is the limit position of the hook portion 31 moving in the mounting groove 111 . The protrusion 313 and the limiting groove 1111 are arranged to prevent the hook portion 31 from out of the mounting groove 111 . In other embodiments, a limit groove may be formed on the hook portion 31 , and a protrusion entering the upper limit groove of the hook portion 31 may be formed on the installation groove 111 to limit the movement of the hook portion 31 in the installation groove 111 The displacement of the hook portion 31 may also be restricted by other means between the hook portion 31 and the installation groove 111, such as a block provided in the installation groove 111, which is not specifically limited in this embodiment.

It is also worth noting 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 in the direction of the bottom cover 12 . It cannot continue to move towards the bottom cover 12 to prevent the hook portion 31 from leaving the installation slot 111, and at the same time to prevent the hook 312 from extending too long, resulting in the dislocation of the hook 321 and the hook body 21 when the dust cup is installed, and cannot slide and fit through the inclined surface situation occurs. The distance that the hook portion 31 moves in the installation groove 111 is determined by the length of the limit groove 1111 , but when the protrusion 313 moves in the direction of compressing the elastic member 32 , it can continue to move away from the limit groove 1111 through the slope and its own elasticity. , to increase the retracted distance of the hook portion 31 in the installation groove 111, so that the hook portion 31 can be released from the cooperation with the hook body 21, and the protrusion 313 separated from the limit groove 1111 can move in the direction of releasing the elastic member 32. Re-enter the limiting groove 1111 through the inclined surface and its own elasticity.

The release switch 5 can be any form of switch, such as a knob, a push switch, etc. The release switch 5 in this embodiment is described by taking a release button as an example. No matter what type of switch the release switch 5 is, the release switch 5 is located on the bottom cover. 12 has a locking position and a releasing position when it is snapped on the cup body 1 . As shown in FIG. 2 , one end of the release button is hinged on the bottom cover 12 , the other end is set toward the hook portion 31 , the lower end of the release button is hinged on the bottom cover 12 , and the upper end is close to the hook portion 31 . The position is the lock position, and the pressed position is the release position. When the release button is in the locked position, the release button can have a certain gap with the hook portion 31 or be in contact with the hook portion 31 , and the release button does not exert any force on the hook portion 31 , or there is a small effect between the hook portions 31 The force is not enough to displace the hook portion 31 . When the release button is pressed, when the position of the release button is switched from the lock position to the release position, the upper end of the release button pushes the hook portion 31 to compress the elastic member 32, so that the hook 312 is disengaged from the hook body 21 of the vacuum cleaner 2, and the lock is locked. The buckle is switched from the first state to the second state, and at this time, the user can remove the cup body 11 from the vacuum cleaner 2 . When the release switch 5 is a knob, the knob can have different thicknesses and press the hook portion 31 when rotating; when the release switch 5 is a push switch, the push switch can be inserted between the hook 312 and the hook body 21 when pushed upwards , compressing the elastic member 32 to release the lock, which is not repeated in this embodiment. A reset elastic member 51 is connected between the release button and the bottom cover 12, and the reset elastic member 51 can be a reset spring. The release button rebounds after being pressed, which is convenient for the user to use next time. At the same time, there are certain lines on the release button, which is convenient for users to operate.

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 of the hook portion 312 and the inclined surface of the hook body 21 of the vacuum cleaner 2, and the hook 312 that passes through is directly connected to the hook body 21. In some embodiments, the upper end surface of the hook 312 is flat and cannot directly pass through the hook body 21. It is necessary to press the release switch 5 to retract the hook 312 in order to pass through the hook body 21 and cooperate with the hook body 21. This setting makes The dust cup can be installed on the vacuum cleaner 2 only when the bottom cover 12 is fastened, so as to avoid the situation where the dust cup is not closed and the vacuum cleaner 2 works.

It can be seen from the above that the bottom end of the dust cup can be installed and removed from the vacuum cleaner 2 by releasing the switch 5, and the top end of the cup body 1 and the vacuum cleaner 2 can also be detachably connected. As shown in Figure 5, the vacuum cleaner 2 is close to the dust collector. One side of the top of the cup is provided with a motor air inlet cover 24. The motor air inlet cover 24 is arranged in a stepped shape, and its front end can enter the cup body 11. 241, the cup body 11 is provided with a snap groove 112 corresponding to the raised snap portion 241. When installing the dust cup, push the top of the cup body 11 to the front end of the motor air inlet cover 24 and enter the cup body 11 Inside, the cup body 11 has a certain elasticity, and the protruding snap portion 241 can enter the cup body 11 and be embedded in the snap groove 112 to realize the fixation of the top of the cup body 11 on the vacuum cleaner 2, and the rear end of the cup body 11 When the release switch 5 is installed on the vacuum cleaner 2, the installation of the dust cup on the vacuum cleaner 2 is realized. When removing the dust cup, the rear end of the dust cup is separated from the vacuum cleaner 2 by releasing the switch 5, the dust cup can be tilted as a whole, and the tilted cup body 11 and the convex clamping part 241 are disengaged to realize the removal of the dust cup. Due to the snap fit between the cup body 11 and the motor air inlet cover 24, the cup body cannot be turned over to pour ash without disassembling the dust cup. Therefore, in this embodiment, the bottom cover 12 is opened to carry out ash pouring, and at the same time The ash pouring operation is convenient and easy to operate. In some embodiments, the motor air inlet cover 24 may have a snap slot 112 , the cup body 11 is provided with a raised snap portion 241 to cooperate with the motor air inlet cover 24 , and the motor air inlet cover 24 and the cup body 11 are also It can be matched and connected in other ways, which is not specifically limited in this embodiment.

As shown in FIG. 6 and FIG. 7 , the vacuum cleaner 2 has an air inlet 22 and an air inlet channel 23 communicating with the air inlet 22. The cup body 11 is provided with an air inlet hole 13. When the dust cup is installed on the vacuum cleaner 2, the air intake The hole 13 corresponds to and communicates with the air inlet channel 23. The dust-laden airflow enters the dust cup through the air inlet channel 23 and the air inlet hole 13. The air inlet hole 13 can be provided with an air inlet gasket (not shown in the figure), the air inlet gasket is located on the inner wall of the dust cup and is a flexible gasket, one side is fixed on the air inlet hole 13 and covers the air inlet hole 13 , when the vacuum cleaner works 2, the negative pressure in the dust cup will lift the air inlet gasket covering the air inlet hole 13, open the air inlet hole 13, and the dust-laden airflow can enter the dust cup through the air inlet hole 13; When it stops working, the air pressure in the dust cup is normal, the air inlet gasket rebounds, and the air inlet hole 13 is re-closed. When the dust cup is removed from the vacuum cleaner 2, the air inlet hole 13 is still closed, and the dust will not leak. The filter assembly includes: a primary filter mechanism 14, a secondary filter mechanism 15, and a filter element assembly 16 arranged at the top of the first filter mechanism, wherein the primary filter mechanism 14 includes: a primary cyclone cover 141 spirally extending on the outer circumference, arranged on a The filter screen 143 support frame 142 at the bottom of the first-stage cyclone cover 141 and the filter screen 143 located between the first-stage cyclone cover 141 and the filter screen 143 support frame 142 pass through the first-stage cyclone cover 141, the filter screen 143 and the filter screen 143 support frame 142 So that the inner cavity of the dust cup is divided into two parts.

The air inlet side of the primary cyclone hood 141 is opposite to the air inlet hole 13 , and the air flows toward the filter screen 143 along the outer wall of the primary cyclone hood 141 in a one-way spiral. To achieve the first separation of dust and gas, the larger particles of dust are filtered, and the air flow enters the filter screen 143 and passes through the secondary filter mechanism 15 for the second dust and gas separation.

The secondary filter mechanism 15 includes: a secondary cyclone hood 151 connected to the primary cyclone hood 141, a secondary cyclone cone 152 arranged on the secondary cyclone hood 151, and a dust collecting hopper 153 connected to the secondary cyclone cone 152. The stage cyclone cone 152 is arranged on the top of the dust collecting hopper 153 , and the dust collecting hopper 153 extends toward the bottom of the cup body 11 through the first cyclone cone and the support frame 142 of the filter screen 143 . In this embodiment, the outer ring of the secondary cyclone cone 152 is connected to the dust collecting hopper 153 by snap connection. Of course, the outer ring of the secondary cyclone cone 152 and the dust collecting hopper 153 can also be connected by bolt connection, bonding or other connection methods. There is no specific limitation in the method. The upper end of the secondary cyclone cover 151 is provided with a filter element assembly 16 . The secondary air inlet bucket and the dust collecting hopper 153 are coaxially arranged, and the airflow passing through the filter screen 143 enters the dust collecting hopper 153 from the secondary cyclone cone 152 and spirally dives downward, and is drawn upward from the center of the conical bottom of the dust collecting hopper 153 into the Filtration takes place in the filter element assembly 16 .

The secondary cyclone hood 151 is provided with a partition, which separates the secondary cyclone hood 151 from the first space and the second space, the primary cyclone cone is installed in the first space, and the primary cyclone cone and the secondary cyclone hood 151 rotate. The filter element assembly 16 is located in the second space. As shown in FIG. 8, the filter element assembly 16 includes: a filter element holder 161, a filter element arranged in the filter element holder 161, and a rubber 162 covering the outer wall of the filter element holder 161. The filter element holder 161 includes: a cylindrical portion for accommodating the filter element and a skirt extending circumferentially toward the cylindrical portion. The lagging 162 covers the skirt and enters the secondary cyclone cover 151 . The filter element clip 161 has a clip body bulge in the radial direction, the rubber 162 has a second bulge 163 covering the clip body bulge, the secondary cyclone cover 151 has a first bulge 154 in the radial direction, The first protrusion 154 is fitted with the second protrusion 163 , the cup body 11 is provided with an exposure groove 17 , the first protrusion 154 and the second protrusion 163 pass through the exposure groove 17 and protrude outside the cup body 11 . The positional fixation among the secondary cyclone cover 151 , the filter element clip 161 and the lagging 162 is realized.

It is worth noting that the vacuum cleaner 2 is also provided with a micro switch 25. The micro switch 25 is connected to the motor of the vacuum cleaner 2 and can control the on-off of the motor. When the dust cup is installed on the vacuum cleaner 2, the first protrusion 154 and The second protrusion 163 protrudes from the outside of the cup body 11 and resists the micro switch 25. The resisted micro switch 25 is closed, and the motor can work normally; when the dust cup is removed from the vacuum cleaner 2 or improper use by the user causes When the dust cup is detached from the vacuum cleaner 2, the first protrusion 154 and the second protrusion 163 are no longer against the micro switch 25. At this time, the micro switch 25 is disconnected and the motor is powered off to prevent unfiltered airflow from directly entering the motor. Damage to the motor occurs.

In this embodiment, the exposed groove 17 , the air inlet hole 13 and the hook 312 part 31 are located on the same straight line, so that the hook body 21 , the air inlet channel 23 and the micro switch 25 of the vacuum cleaner 2 are located in a straight line, so that the structure of the vacuum cleaner 2 is More compact, compressing the overall volume of the vacuum cleaner 2 and dust cup. It is worth noting that when the bottom cover 12 is fastened to the cup body 11 , as shown in FIG. 2 , the bottom cover 12 is formed with a convex portion 121 embedded in the cup body 11 , and the convex portion 121 is a cross arc. Rib position, the bottom of the dust collecting hopper 153 is provided with a flexible annular soft glue 156, the annular soft glue 156 is used to attach to the bottom cover 12, the raised part 121 enters the annular soft glue, and the raised part 121 can improve the annular soft glue 156 The degree of vacuum inside can prevent the annular soft glue 156 from being deformed due to excessive internal dust; at the same time, when the bottom cover 12 is buckled, the raised portion 121 can play a guiding role. The release switch 5 is close to the hook portion 31, and the lock can be unlocked by pressing the release switch 5. However, if the bottom cover 12 has been opened, the release switch 5 and the hook portion 31 on the bottom cover 12 are shown in combination with FIG. 3 and FIG. 4 . There is a certain distance, and at this time, pressing the release switch 5 cannot unlock the lock. When the user is using the vacuum cleaner 2, if the lid opening switch 4 is turned on inadvertently, the bottom cover 12 is opened. At this time, since the release switch 5 is far away from the hook portion 31, the dust cup cannot be removed from the vacuum cleaner 2, which prevents the dust cup from being removed from the vacuum cleaner. 2 It happens when it falls and breaks the parts inside the dust cup. At the same time, referring to FIG. 7 and FIG. 8 , since the positions between the secondary cyclone cover 151 , the filter element clip 161 and the rubber lagging 162 are fixed in the cup body 11 , the secondary cyclone cover 151 is also covered with a rubber ring 1521 . The ring 1521 is in contact with the inner wall of the cup body 11 to increase the frictional force between the secondary cyclone cover 151 and the cup body 11; The first-stage cyclone cone 152 is clamped and fixed with the dust collecting hopper 153, and the first-stage cyclone cover 141 is fixedly connected with the support frame 142 of the filter screen 143, so that all parts in the dust cup are fixed in the dust cup, and the bottom cover 1212 will not be opened when the bottom cover 1212 is opened. A part has fallen out of the dust cup.

It is worth noting that the secondary cyclone cover 151 is provided with a handle 155, and the handle 155 is hidden in the secondary cyclone cover. When cleaning the dust cup, the filter element assembly 16 can be removed first, and then the filter element in the secondary cyclone cover 151 can be removed. When the handle 155 is pulled out, since the secondary cyclone cover 151, the primary cyclone cover 141, the secondary cyclone cone 152 and the dust collecting hopper 153 are connected and fixed to each other, all the filter components in the dust cup can be pulled out for cleaning. When re-installing the filter assembly, the raised portion 121 guides the installation of the dust hopper 153 and the entire filter assembly through the curved edge.

As shown in FIG. 4 , one side of the bottom cover 12 in this embodiment is hinged on the cup body 11 , the side where the bottom cover 12 is hinged with the cup body 11 is the hinge side 6 , and the lid opening switch 4 and the hinge side 6 are respectively Located on both sides of the cup body 11 . The hinge side 6 of the bottom cover 12 has two hinge points that are hinged with the cup body 11 , the centers of the two hinge points and the center of the lid opening switch 4 are symmetrical with respect to the axis of the dust cup, and the centers of the two hinge points are symmetrical with the center of the lid opening switch 4 . The cup body 11 can be better closed to avoid dust leakage in the dust cup. The hinged side 6 is provided with a torsion spring, and when the cover opening switch 4 is turned on, the bottom cover 12 can be automatically opened.

The cover opening switch 4 can be arranged on the cup body 11, the bottom cover 12 has a raised block 122, the cover opening switch 4 can be slidably arranged on the cup body 11, and the bottom cover 12 is buckled on the cup body 11, the latching block 122 enters the inside of the cover opening switch 4, and is engaged with the latching part 122 in the opening cover switch 4 to lock the bottom cover 12. The user can touch the latching part with the latching part by sliding the cover opening switch 4. The locking of the locking block 122 opens the bottom cover 12; the cover opening switch 4 may also be a push switch or a rotary switch, which will not be repeated in this embodiment. Of course, the cover opening switch 4 can also be provided on the bottom cover 12. At this time, the cover opening switch 4 can be a hook-shaped part (shown in the figure) hinged on the bottom cover 12, and the cup body 11 is provided with a card slot. , when the hook portion is snapped into the slot, the bottom cover 12 is locked on the cup body 11 , and the hook portion may have elasticity for the user to release the locking of the hook 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 vacuum cleaner 2 is the bottom end, the vacuum cleaner 2 is partially embedded in the bottom end of the dust cup, a part of the bottom end of the dust cup is embedded by the vacuum cleaner 2, and the other part is embedded by the bottom end of the dust cup. The cover 12 is closed. 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 vacuum cleaner 2 is also located on the central axis of the bottom cover 12, so that the vacuum cleaner 2 can be embedded in the dust cup to the maximum extent. , to improve the stability of the dust cup installed on the vacuum cleaner 2. The hinge side 6 and the cover opening switch 4 are symmetrically located on both sides of the release switch 5, and the symmetrical arrangement of the hinge side 6 and the cover opening switch 4 makes the rotation center of the bottom cover 12 and the locking center on the same line, so that the bottom cover 12 is in the dust. The bottom end of the cup is sealed evenly, so as to prevent the bottom cover 12 from being lifted up due to uneven force, resulting in the occurrence of dust spilling.

The dust cup in this embodiment can be opened on the vacuum cleaner 2 and the dust cup can be disassembled through the setting of the release switch 5, the lock button and the lid opening switch 4; The lock cannot be released, preventing the dust cup from falling and protecting the parts inside the dust cup.

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

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (10)

1. 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 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.

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