CN211187051U - Exhaust device and dust collector with same - Google Patents

Abstract

The utility model relates to an exhaust device and be equipped with its dust catcher, exhaust device includes: an air exhaust structure; the key structure is movably arranged on the air exhaust structure along a second direction perpendicular to the first direction and comprises a key connecting piece, a button and a key hook component, and the key connecting piece and the key hook component are arranged at two opposite ends of the key connecting piece at intervals along the second direction; when the key structure moves along the second direction to switch between the first position and the second position relative to the air exhaust structure, when the key structure is at the first position, the key hook can be matched and connected with the motor shell, and when the key structure is at the second position, the key hook can be separated from the motor shell. The key structure of the air exhaust device controls all the key clamping hooks simultaneously through one button, so that the structure of the key structure is simplified, and the number of parts such as the button and the like is saved.

Description

Exhaust device and dust collector with same

Technical Field

The utility model relates to the field of household appliances, in particular to an exhaust device and a dust collector with the same.

Background

Along with the progress of society and the improvement of living standard of people, the requirements of people on living quality are higher and higher, and the use of the dust collector which helps people clean indoor environment is wider and wider. The dust collector is internally provided with a motor, the suction force generated by the operation of the motor can absorb dust and sundries in the external environment, and the air flow entering the motor together with the dust and the sundries is discharged through an exhaust device. The handheld dust collector is smaller in size and more flexible to use, so that the portability and the applicability are greatly improved compared with the traditional horizontal dust collector.

However, at present, the structure of the exhaust device of the existing handheld dust collector is complex, and the installation and the disassembly are complex, so that inconvenience is brought to the use of the dust collector, and the user experience is reduced.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide an exhaust device that is easily attached and detached and a vacuum cleaner provided with the same, in order to solve the problem that the attachment and detachment of the exhaust device of the vacuum cleaner are complicated.

An air exhaust device detachably sleeved outside a motor casing along a first direction, the air exhaust device comprises:

the air exhaust structure is provided with a main accommodating cavity with an opening at one end, an air exhaust port communicated with the main accommodating cavity and the external environment and a key hole communicated with the main accommodating cavity and the external environment, the central axis of the opening of the main accommodating cavity extends along the first direction, and the central axis of the key hole is intersected with the first direction; and

the key structure is movably arranged on the air exhaust structure along a second direction perpendicular to the first direction and comprises a key connecting piece, a button and a key hook component, the key connecting piece and the key hook component are arranged at two opposite ends of the key connecting piece at intervals along the second direction, the key connecting piece is limited in the air exhaust structure, the button extends into the key hole, the key hook component comprises more than two key hooks, and each key hook extends out of the air exhaust structure along the first direction;

the two ends of the reset piece are respectively limited in the air exhaust structure and the key structure;

the button structure moves along the second direction to switch between a first position and a second position relative to the air exhaust structure, and the reset piece is used for applying a thrust force to the button structure, wherein the direction of the thrust force is from the second position to the first position; when the key structure is located at the first position, the key clamping hook can be matched and connected with the motor shell, and when the key structure is located at the second position, the key clamping hook can be separated from the motor shell.

In the exhaust device, a user can push the button to enable the key hook component to move along the first direction, so that the key hook is switched between the first position and the second position relative to the exhaust structure. Because the key structure controls all key clamping hooks simultaneously through one button, the structure of the key structure is simplified, and the number of parts such as the button and the like is saved.

In one embodiment, the key connecting piece extends along the edge of one open end of the main accommodating cavity in an arc shape, and two end parts of the key connecting piece are arranged at intervals in the third direction; the key hook component comprises two key hooks, the two key hooks are respectively positioned at two end parts of the key connecting piece arranged at intervals in the third direction, and the button is connected to one side of the key connecting piece away from the key hooks and positioned between the two key hooks; wherein the third direction is perpendicular to the first direction and the second direction.

In one embodiment, the key hook assembly and the button are respectively located on two opposite sides of the key connecting member in the first direction, the key hook assembly extends along the first direction to extend out of the air exhausting structure, and the button extends along the first direction to a direction away from the key hook assembly and extends into the key hole.

In one embodiment, the air exhaust structure includes an air exhaust casing and an air exhaust upper cover, the air exhaust upper cover is detachably mounted at one end of the air exhaust casing in the first direction, the main accommodating cavity, the air exhaust port and the key hole are all disposed in the air exhaust casing, the key connecting piece is accommodated in the air exhaust upper cover, the button extends out of the air exhaust upper cover in the first direction and extends into the key hole in the second direction, and the key hook assembly passes through the air exhaust upper cover in the first direction.

In one embodiment, the exhaust upper cover comprises a first upper cover and a second upper cover which are detachably connected in the first direction, the key connecting piece is supported on one side of the first upper cover facing the second upper cover, the first upper cover is provided with a key slot, the button penetrates through the key slot to extend into the key hole, the second upper cover is provided with a key hook groove, and the key hook assembly penetrates through the key hook groove to be matched with the motor shell.

In one embodiment, the first upper cover comprises a first upper cover main body and a cover body sealing member, the first upper cover main body is provided with a connecting hole communicated with the main accommodating cavity, and the cover body sealing member is detachably arranged on the first upper cover main body and surrounds the edge of the connecting hole.

In one embodiment, the exhaust device further comprises a filter structure, and the filter structure is accommodated in the main accommodating cavity.

A dust collector comprises the exhaust device and further comprises a motor shell, one end of the motor shell extends into the main accommodating cavity, and the key structure is connected with or separated from the motor shell in a matching mode.

In one embodiment, the key structure cooperates with the motor housing ramp for translating displacement of the venting device in the first direction to displacement of the key structure in the second direction.

In one embodiment, the vacuum cleaner further comprises a handle provided at one side of the second direction of the air discharge device.

Drawings

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

fig. 2 is a front view of an air exhaust device according to an embodiment of the present invention;

FIG. 3 is a side view of the venting device of FIG. 1;

FIG. 4 is an exploded view of the exhaust device of FIG. 1;

FIG. 5 is a top view of the exhaust device of FIG. 1;

FIG. 6 is a cross-sectional view taken along line A-A of the exhaust device of FIG. 5;

FIG. 7 is a cross-sectional view taken in the direction B-B of the exhaust device shown in FIG. 5;

FIG. 8 is a cross-sectional view taken along line C-C of the venting device of FIG. 5;

fig. 9 is a cross-sectional view of the exhaust device shown in fig. 5 in the direction D-D.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

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.

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 in the description of the invention herein 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.

As shown in fig. 1, a vacuum cleaner 100 according to an embodiment of the present invention includes a main housing having a dust suction opening, a dust cup disposed in the main housing, a separating structure, and a motor. The suction force generated by the operation of the motor sucks dust and sundries in the external environment into the dust cup through the dust suction port, the dust and the sundries are separated by the separating structure and then stay in the dust cup, and the air flow which enters the main shell along with the dust and the sundries flows out of the main shell and returns to the external environment again.

In order to direct and purify the airflow before it is returned to the environment, the vacuum cleaner 100 of the present application further includes a venting device 30. Specifically, the main housing includes a motor housing 10 (as shown in fig. 9) for accommodating the motor, a plurality of exhaust holes are formed in a side wall of a tail portion of the motor housing 10, the exhaust device 30 is detachably sleeved outside the tail portion of the motor housing 10 along a first direction, and air flowing out of the exhaust holes is filtered by the exhaust device 30 and then exhausted into the external environment.

As shown in fig. 2 and 3, the air exhausting device 30 includes an air exhausting structure 20 and a key structure 40, wherein the key structure 40 is movably limited to the air exhausting structure 20 along a second direction perpendicular to the first direction and can be coupled to or separated from the motor housing 10, so that the air exhausting structure 20 is coupled to or separated from the motor housing 10.

Referring to fig. 4, specifically, the ventilation structure 20 includes a ventilation casing 21, a filter structure 23, and a ventilation cover. Wherein, the outer side of the afterbody of motor casing 10 is located to the shell 21 cover of airing exhaust, and the filtration 23 is acceptd in the shell 21 of airing exhaust and encircles the motor casing 10 outside, and the air current that motor casing 10 flows out passes through filtration 23 and filters the back, and the rethread shell 21 of airing exhaust flows out. The exhausting upper cover is detachably mounted to one end of the exhausting housing 21 in a first direction to close a gap between the exhausting housing 21 and the motor housing 10 and to limit the key structure 40.

Specifically, as shown in fig. 2, 4, and 5, the discharge casing 21 has a substantially cylindrical configuration and includes a discharge casing bottom wall 212 and discharge casing side walls 214. The exhaust casing bottom wall 212 is a circular plate-shaped structure, the exhaust casing side wall 214 is formed by extending the edge of the exhaust casing bottom wall 212 towards the first direction, the exhaust casing side wall 214 surrounds the periphery of the exhaust casing bottom wall 212 and forms a main accommodating cavity with one open end together with the exhaust casing bottom wall 212, and the central axis of the opening of the main accommodating cavity extends along the first direction. As such, the tail portion of the motor housing 10 may extend into the main accommodating cavity along the first direction from the open end of the main accommodating cavity.

Two sets of exhaust outlets 2141 that set up at the third direction interval are seted up to the casing lateral wall 214 of airing exhaust, and every exhaust outlet 2141 of group all includes the exhaust outlet 2141 that a plurality of arrays set up, and every exhaust outlet 2141 all communicates the main chamber of holding and external environment, and every exhaust outlet 2141's the central axis all intersects with the first direction. In this manner, the air flow in the main receiving cavity flows obliquely upward into the external environment through the air outlet 2141 of the air discharge case side wall 214.

The air exhaust casing sidewall 214 further has a key hole 2142, the key hole 2142 is used for cooperating with the key structure 40, and a user can operate the key structure 40 through the key hole 2142. Specifically, a circular key hole 2142 is located between the two sets of air outlets 2141, and a central axis of the key hole 2142 extends in the second direction. Further, the hole wall of the key hole 2142 is further provided with a button limiting groove extending along the second direction, and the button limiting groove is used for being matched with the key structure 40 to limit the key structure 40.

As shown in fig. 4, 7 and 8, the inner wall of the exhaust housing sidewall 214 facing the main accommodating chamber is provided with a filter structure mounting assembly for retaining the filter structure 23. Specifically, the filtering structure mounting assembly includes a filtering structure limiting rib 2143a and a filtering structure retaining rib 2143 b. The filter structure limiting rib 2143a extends circumferentially along the exhaust housing sidewall 214 for limiting the filter structure 23 in the first direction. The filtering structure retaining ribs 2143b are circumferentially spaced along the exhaust housing sidewall 214, and a spacing space is formed between two adjacent filtering structure retaining ribs 2143b to circumferentially limit the filtering structure 23.

Referring to fig. 4 and 6, the side wall 214 of the exhaust casing is further provided with a first connecting hook 2144 and an exhaust limiting rib 2145 for connecting the exhaust upper cover. Specifically, two first connecting hooks 2144 are circumferentially spaced apart along the inner side of the exhaust case sidewall 214, and each first connecting hook 2144 is protruded at the middle of the inner wall of the exhaust case sidewall 214 to be connected to the exhaust upper cover. The exhaust limiting convex rib 2145 is located at one side edge of the exhaust shell side wall 214 facing the main opening end of the accommodating cavity, and is arc-shaped and extends along the main edge of the accommodating cavity, the exhaust limiting convex rib 2145 is provided with a plurality of second connecting hooks 2145a along the circumferential interval, and each second connecting hook 2145a is bent towards the main accommodating cavity direction to be connected with the exhaust upper cover.

The lateral end face of the exhaust housing bottom wall 212 facing the main accommodating cavity is provided with a filter structure mounting groove which is circular ring-shaped to limit the filter structure 23. A button guiding and sliding rib 2121 is further protruded from an end surface of the bottom wall 212 of the exhaust casing facing the main accommodating cavity, the button guiding and sliding rib 2121 is located at one side of the button hole 2142, and the button guiding and sliding rib 2121 extends along the second direction to provide a guiding function for the movement of the button structure 40.

Thus, the exhaust structure 20 is fixed and fixed to the filter structure 23 by the filter structure mounting assembly and the filter structure mounting groove, and the exhaust upper cover is fixed by the first connecting hook 2144, the exhaust limiting rib 2145 and the second connecting hook 2145 a. It can be understood that the structure of the air exhausting structure 20 for fixing the filtering structure 23 and the air exhausting upper cover is not limited, and the filtering structure 23 and the air exhausting upper cover can be fixed in different manners according to the requirement.

The filter structure 23 includes a hollow cylindrical filter member 232, the filter member 232 is accommodated in the main accommodating cavity, and the size of the through hole formed in the center of the filter member 232 matches with the size of the opening of the main accommodating cavity. The axial end of the filter element 232 is limited in the mounting groove of the bottom wall 212 of the exhaust casing and is bonded with the bottom wall 212 of the exhaust casing by glue. The other axial end of the filter element 232 abuts against the filter structure limiting rib 2143a on the exhaust casing side wall 214.

In this way, the filter element 232 is accommodated in the exhaust structure 20 and surrounds the outside of the motor housing 10, and the airflow flowing out of the motor housing 10 is filtered by the filter element 232 and then discharged. Specifically, in one embodiment, the Filter element 232 is an annular HEPA (High efficiency particulate air Filter), and has the characteristics of High filtering efficiency, low flow resistance, and long-term continuous use.

Further, the filtering structure 23 further includes two dust-proof sheets 234, each dust-proof sheet 234 is located between the inner side of the air exhaust casing sidewall 214 and the outer sidewall of the filtering member 232, each dust-proof sheet 234 is limited in the limiting space between the two adjacent filtering structure retaining ribs 2143b, and each dust-proof sheet 234 is respectively arranged corresponding to a set of air outlets 2141 formed on the air exhaust casing sidewall 214.

In this way, the air flowing out of the motor housing 10 is filtered by the filter elements 232 and the dust-proof sheets 234 and then flows out through the air outlet 2141. It will be appreciated that the particular configuration of the filter structure 23 is not limited thereto and may be provided as desired. Specifically, in some embodiments, the dust-proof sheet 234 is an arc-shaped dust-proof sponge for further filtering the airflow, thereby further improving the cleanliness of the airflow exiting the exhaust device 30.

As shown in fig. 4, the air exhausting upper cover includes a first upper cover 252 and a second upper cover 254 detachably connected along a first direction, and the button structure 40 is limited between the first upper cover 252 and the second upper cover 254, and can move along a second direction to switch between a first position and a second position relative to the air exhausting structure 20, so as to be coupled to the motor housing 10 or separated from the motor housing 10.

Specifically, as shown in fig. 4 and 7, the first upper cap 252 includes a first upper cap body 2521 and a cap body seal 2527. The first upper cap body 2521 is substantially in a circular ring shape, a connection hole 2521a having a size matched with that of the opening of the main receiving cavity is formed at the middle portion of the first upper cap body 2521, and a plurality of sealing member connection grooves 2521b are circumferentially formed at intervals on the edge of the connection hole 2521 a. Cap seal 2527 is formed of an elastic material such as silicone rubber, and is elastically deformable to be restorable under pressure. The cover body sealing member 2527 has an annular structure having a shape matching the shape of the connection hole 2521a of the first upper cover body 2521, and a plurality of sealing member retaining ribs 2527a are protruded from the outer edge of the cover body sealing member 2527 at intervals in the circumferential direction.

In this manner, the cover body sealing member 2527 circumferentially surrounds the edge of the coupling hole 2521a, and each of the sealing member retaining ribs 2527a is inserted into one of the sealing member coupling grooves 2521b, so that the cover body sealing member 2527 is detachably coupled to the first upper cover body 2521. When the air exhausting device 30 is sleeved on the motor housing 10, the inner edge of the cover sealing member 2527 abuts against the motor housing 10 and elastically deforms to a certain extent under the pressure of the motor housing 10, so as to seal the gap between the air exhausting device 30 and the motor housing 10 and prevent the air flowing out of the motor housing 10 from being directly exhausted from between the air exhausting device 30 and the motor housing 10 without being filtered by the filtering structure 23.

As shown in fig. 4 and 6, the first cover main body 2521 further includes a first cover latch 2523 coupled to the air discharge housing 21. Specifically, two first upper cover buckles 2523 are disposed at an interval on the outer edge of the first upper cover body 2521, each first upper cover buckle 2523 extends from the first upper cover body 2521 toward the exhaust structure 20, and a buckle slot 2523a matched with the first connecting buckle 2144 of the exhaust housing 21 is formed at one end of the first upper cover buckle 2523 away from the first upper cover body 2521.

Thus, when the first upper cover 252 is mounted on the exhaust housing 21, the first upper cover buckle 2523 extends into the main accommodating cavity of the exhaust housing 21, and the first connecting hook 2144 of the exhaust housing 21 is clamped in the clamping groove 2523a, thereby achieving the interconnection between the first upper cover 252 and the exhaust housing 21. It is understood that the number of the first upper cover tabs 2523 is not limited thereto, and may be different according to the requirement, and the number of the first connecting tabs 2144 is the same as the number of the first upper cover tabs 2523.

The first upper cap body 2521 further has a first upper cap hook 2525 coupled to the second upper cap 254. Specifically, the first upper cover hooks 2525 protrude from an end surface of the first upper cover body 2521 on a side away from the air exhausting structure 20, and an end of each of the first upper cover hooks 2525 away from the first upper cover body 2521 bends and extends toward the first upper cover body 2521. Thus, the first cover hook 2525 can be clamped to the second cover 254 to connect the first cover 252 and the second cover 254 to each other.

A key pressing groove is further formed on one side edge of the first upper cover body 2521 in the first direction, and when the first upper cover body 2521 is mounted on the air exhausting structure 20, the key pressing groove corresponds to the key hole 2142 of the air exhausting structure 20, so as to allow a part of the key structure 40 to extend out of the upper cover structure to extend into the key hole 2142.

Referring to fig. 4 and 6, the second upper cap 254 includes a first upper cap body 2521, the first upper cap body 2521 is an arc structure matching the first upper cap body 2521, and two ends of the first upper cap body 2521 are spaced apart in the third direction. Two ends of the second upper cover body 2541 are respectively provided with a key hooking groove 2541a, and a portion of the key structure 40 passes through the key hooking groove 2541a to be coupled to the motor housing 10.

The edge of the end surface of the second upper cover main body 2541 facing the first upper cover 252 side is formed with a mounting groove extending in the circumferential direction to match the air discharge restricting rib 2145 of the air discharge casing side wall 214.

The second upper cover body 2541 is provided with a second upper cover buckle 2543, and the second upper cover buckle 2543 is adapted to the second connecting hook 2145a of the air exhaust limiting rib 2145 of the air exhaust housing 21. Specifically, the plurality of second upper cover latches 2543 are protruded from the edge of the second upper cover main body 2541 facing to one side of the first upper cover main body 2521, and are circumferentially spaced along the edge of the second upper cover main body 2541, and the second connecting latch 2145a on the air exhaust limiting rib 2145 of the air exhaust housing 21 can be latched to the second upper cover latches 2543.

The second upper cap body 2541 further has a second upper cap hook 2545 coupled to the first upper cap hook 2525 of the first upper cap 252. Specifically, the plurality of second upper cover hooks 2545 are convexly disposed on a side end surface of the second upper cover main body 2541 facing the first upper cover 252, and each of the second upper cover hooks 2545 is mutually engaged with one of the first upper cover hooks 2525.

Thus, the second upper cover hook 2545 of the second upper cover 254 is engaged with the first upper cover hook 2525 of the first upper cover 252, so that the first upper cover 252 is detachably connected to the second upper cover 254. The second upper cover buckle 2543 of the second upper cover 254 is clamped with the second connecting buckle 2145a of the air exhausting structure 20, and the air exhausting limiting convex rib 2145 of the air exhausting structure 20 can be clamped in the mounting groove of the second upper cover 254, so that the detachable connection of the second upper cover 254 and the air exhausting structure 20 is realized.

In some embodiments, a second upper cover sliding guide rib 2547 is further protruded from an end surface of the second upper cover main body 2541 facing the first upper cover 252, and the second upper cover 254 contacts the key structure 40 through the second upper cover sliding guide rib 2547, so as to reduce friction between the second upper cover 254 and the key structure 40, and facilitate the key structure 40 to move in the second direction. Specifically, the second upper cover main body 2541 is provided with at least two second upper cover sliding guide ribs 2547, and the at least two second upper cover sliding guide ribs 2547 are arranged at intervals in the second direction. It can be understood that the number and shape of the second upper cover sliding guiding ribs 2547 are not limited, and can be set as required.

As shown in fig. 4 and 6, the key structure 40 is movably mounted to the venting structure 20 along a second direction, and includes a key connector 41, a button 43 and a key hook assembly.

Specifically, the key connector 41 is located between the first upper cover 252 and the second upper cover 254, the key connector 41 extends around an edge arc along the open end of the main accommodating chamber, and both ends of the key connector 41 are spaced apart in the third direction. The key structure 40 contacts the first upper cover body 2521 through the key sliding rib 412 to reduce the friction between the key structure 41 and the first upper cover body 2521, so that the key structure 40 can move in the second direction. Specifically, the key connector 41 is provided with a plurality of key guiding and sliding ribs 412 at intervals along the circumferential direction, and the shapes and the number of the key guiding and sliding ribs 412 are not limited and can be set as required.

In this way, one side end surface of the key connector 41 contacts the first upper cover body 2521 through the key sliding guide rib 412, and the other side end surface of the key connector 41 contacts the second upper cover sliding guide rib 2547 of the second upper cover body 2541, so that the key connector can smoothly slide between the first upper cover 242 and the second upper cover 254 in the second direction.

The push button 43 is disposed at one side of the push button connector 41 in the second direction, the push button 43 extends from the push button connector 41 in the first direction out of the first upper cover 252 and in the second direction into the push button hole 2142 of the discharge casing 21, and the bottom of the push button 43 is supported on the push button sliding guide 2121 in the discharge casing 21 so as to slide along the push button sliding guide 2121. The button 43 extends into the button hole 2142, and a button rib 432 is protruded from a sidewall of one end of the button 43, and the button rib 432 is limited in the button hole 2142 of the air discharging casing sidewall 214, so that the button 43 can only move along the second direction.

The key hook assemblies are disposed at intervals along the second direction on the side of the key connector 41 not provided with the button 43, and extend out of the key hook grooves 2541a of the second upper cover 254 along the first direction to be coupled to the motor housing 10. Specifically, the key hook assembly includes two key hooks 45, the two key hooks 45 are respectively located at two ends of the key connecting member 41, which are away from each other in the third direction, and one end of each key hook 45, which is away from the key connecting member 41, is bent toward the button 43.

Thus, the key hook 45 and the button 43 are respectively located on two opposite sides of the key connector 41 in the first direction and respectively extend in directions away from each other, and a user can push the button 43 to move the key structure 40 in the first direction, so that the key structure 40 is switched between the first position and the second position relative to the air exhausting structure 20. When the key structure 40 is at the first position, the key hook 45 can be coupled to the motor housing 10; when the key structure 40 is in the second position, the key hook 45 can be separated from the motor housing 10. Since the key structure 40 controls all the key hooks 45 through one button 43, the structure of the key structure 40 is simplified, and the number of parts such as the button 43 is reduced. It is understood that the number of the key hooks 45 is not limited thereto, and may be set to different numbers as required to meet different requirements.

The air exhausting device 30 further comprises a resetting piece 60, two ends of the resetting piece 60 are respectively limited on the air exhausting structure 20 and the key structure 40, and the resetting piece 60 is used for applying a pushing force along the first direction to the key structure 40 so as to enable the key structure 40 to move from the second position to the first position.

Specifically, the button 43 is equipped with the spacing muscle of transversal personally submitting "ten" font towards the one end that the chamber was held to the owner, and the one end cover of piece 60 that resets is located on the spacing muscle and with spacing muscle interference fit to avoid the piece 60 that resets to play along the direction of the first direction of perpendicular to. The other end of the reset member 60 abuts against the abutting portion of the reset member 60 in the exhaust housing 21, thereby applying a pushing force acting in the first direction to the push button 43.

The motor housing 10 is provided with a motor housing slot and a motor housing hook 12 located on one side of the motor housing slot. One end of the motor casing hook 12 facing the motor casing slot is provided with a first inclined surface, and in the installation direction of the air exhausting device 30, the distance between the first inclined surface and the central axis of the motor casing slot is gradually reduced. One end of the key hook 45, which is far away from the key connecting piece 41, is provided with a second inclined plane matched with the first inclined plane, and the distance between the second inclined plane and the button 43 is gradually increased in the installation direction of the air exhausting device 30. Thus, the key hook 45 is matched with the inclined surface of the motor housing 10, and the relative movement of the first inclined surface and the second inclined surface converts the displacement of the exhaust device 30 relative to the motor housing 10 in the first direction into the displacement of the key structure 40 in the second direction, so that the key hook 45 extends into the slot of the motor housing and is connected with the slot of the motor housing, or is separated from the slot of the motor housing to separate from the motor housing 10.

As shown in fig. 1, in some embodiments, the vacuum cleaner 100 further includes a handle 80, and the handle 80 is located on one side of the second direction of the air exhausting device 30 and the motor housing 10. When a user holds the handle 80 to perform a cleaning operation, the air exhausting device 30 is located at the bottom of the handle facing away from the front of the user, so that unlike the prior art in which the air exhausting device 30 is located at the upper and lower ends of the handle 80, the air flow discharged from the air exhausting device 30 located in front of the handle 80 does not blow the user directly, but is discharged into the external environment from the obliquely upper side, thereby improving the use experience of the vacuum cleaner 100.

The assembly process of the above-described air discharging device 30 is as follows:

firstly, the filter member 232 is placed in the main accommodating cavity of the air exhausting structure 20 and is limited by the mounting assembly of the filter structure 23, and then the filter member 232 and the air exhausting structure 20 are fixed by glue.

Then, the key hooks 45 of the key structure 40 are inserted through the second upper cover 254, and the restoring member 60 is snapped into the buttons 43. Then, the first upper cover hook 2525 of the first upper cover 252 is coupled to the second upper cover hook 2545 of the second upper cover 254, so that the first upper cover 252 and the second upper cover 254 are connected to each other to form the exhaust upper cover with the button structure 40.

Then, the dust-proof sheet 234 is placed in the main accommodating cavity and fixed by the filter structure mounting assembly, and then the exhaust upper cover provided with the key structure 40 is mounted on the exhaust structure 20 provided with the filter structure 23, that is: the first upper cover buckle 2523 of the first upper cover 252 is coupled to the first connecting buckle 2144 of the exhaust housing 21, the second upper cover buckle 2543 of the second upper cover 254 is coupled to the second connecting buckle 2145a of the exhaust housing 21, and the exhaust limiting rib 2145 of the exhaust housing 21 is clamped in the mounting groove of the second upper cover 254.

Finally, the filter structure 23 is bonded to the filter structure mounting groove of the ventilating housing 21 with glue, thereby completing the assembly of the ventilating device 30.

The above-described air discharging device 30 is mounted to the motor housing 10 as follows:

first, the user holds the air discharging device 30 with one hand and moves it upward in the first direction to make the motor housing 10 extend into the cover sealing member 2527, and then continues to move it upward in the first direction to make the motor housing 10 gradually extend into the main receiving cavity. The second inclined plane of the key hook 45 contacts with the first inclined plane of the motor casing hook 12 and moves along the first inclined plane, and the key hook 45 moves along the second direction under the action of the hook of the motor casing 10 and gradually extends into the slot of the motor casing. When the air exhausting device 30 rises to a certain height, the key structure 40 is located at the second position and moves to the first position along the second direction under the action of the reset member 60, and the key hook 45 abuts against the motor housing hook 12 in the first direction. At this time, the cover seal 2527 is also in close contact with the motor housing 10, thereby preventing the air flow from flowing out between the discharge upper cover and the motor housing 10.

When the air exhausting device 30 is disassembled, a user can apply pressure to the button 43 along the second direction to enable the key structure 40 to move along the second direction to be located at the second position, the key hook 45 is separated from the motor housing hook 12, then the user holds the air exhausting device 30 to enable the air exhausting device 30 to move downwards, the key hook 45 gradually separates from the clamping groove of the motor housing 10, so that the air exhausting device 30 is separated from the motor housing 10, and finally the key structure 40 moves along the second direction under the action of the resetting piece 60 to be reset.

In this way, the exhaust device 30 can be mounted by moving the exhaust device 30 in the first direction, and the exhaust device 30 can be detached by pressing the button 43 and moving the exhaust device 30 in the second direction, so that the process of attaching and detaching the exhaust device 30 is simplified, and the vacuum cleaner 100 is not convenient to use.

Above-mentioned exhaust device 30 and be equipped with its dust catcher 100, locate anterior exhaust device 30 of handle 80 and can avoid the air current to blow the user directly when effectively filtering the air current of discharging motor casing 10, optimized the use of dust catcher 100 and experienced. Moreover, the air exhaust device 30 can be conveniently detached by one key through the key structure 40, and the structure of the key structure 40 is simple, simplifying the structure of the dust collector 100.

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 represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. An exhaust device removably mountable over a motor housing (10) in a first orientation, the exhaust device comprising:

the exhaust structure (20) is provided with a main accommodating cavity with an opening at one end, an exhaust outlet (2141) communicated with the main accommodating cavity and the external environment and a key hole (2142) communicated with the main accommodating cavity and the external environment, the central axis of the opening of the main accommodating cavity extends along the first direction, and the central axis of the key hole (2142) is intersected with the first direction; and

the key structure (40) is movably arranged on the air exhaust structure (20) along a second direction perpendicular to the first direction, the key structure (40) comprises a key connecting piece (41), a button (43) and a key hook component, the key connecting piece (41) and the key hook component are arranged at two opposite ends of the key connecting piece (41) at intervals along the second direction, the key connecting piece (41) is limited in the air exhaust structure (20), the button (43) extends into the key hole (2142), the key hook (452) component comprises more than two key hooks (452), and each key hook (452) extends out of the air exhaust structure (20) along the first direction;

the two ends of the resetting piece (60) are respectively limited on the air exhaust structure (20) and the key structure (40);

wherein the button structure (40) is movable in the second direction to switch between a first position and a second position relative to the venting structure (20), the reset element (60) being adapted to apply a pushing force to the button structure (40) in a direction from the second position towards the first position; the key hook (452) is adapted to mate with the motor housing (10) when the key structure (40) is in the first position, and the key hook (452) is adapted to disengage from the motor housing (10) when the key structure (40) is in the second position.

2. The exhaust device according to claim 1, wherein the key connecting piece (41) extends along an arc shape of an edge of one end of the main accommodating cavity, which is open, and two ends of the key connecting piece (41) are arranged at intervals in a third direction; the key hook component comprises two key hooks (452), the two key hooks (452) are respectively positioned at two end parts of the key connecting piece (41) arranged at intervals in the third direction, and the button (43) is connected to one side, away from the key hooks (452), of the key connecting piece (41) and positioned between the two key hooks (452); wherein the third direction is perpendicular to the first direction and the second direction.

3. The venting device of claim 1, wherein the key hook assembly and the button (43) are located on opposite sides of the key connector (41) in the first direction, the key hook (452) assembly extending in the first direction to extend out of the venting structure (20), and the button (43) extending in the first direction away from the key hook assembly and into the key hole (2142).

4. The exhaust device according to claim 3, wherein the exhaust structure (20) includes an exhaust casing (21) and an exhaust upper cover, the exhaust upper cover is detachably mounted at one end of the exhaust casing (21) in the first direction, the main accommodating cavity, the exhaust vent (2141) and the key hole (2142) are all disposed in the exhaust casing (21), the key connector (41) is accommodated in the exhaust upper cover, the button (43) extends out of the exhaust upper cover in the first direction and extends into the key hole (2142) in the second direction, and the key hook assembly passes through the exhaust upper cover in the first direction.

5. The exhaust device according to claim 4, wherein the exhaust upper cover comprises a first upper cover (252) and a second upper cover (254) detachably connected along the first direction, the key connecting member (41) is supported on one side of the first upper cover (252) facing the second upper cover (254), the first upper cover (252) is provided with a key pressing groove, the button (43) passes through the key pressing groove to extend into the key hole (2142), the second upper cover (254) is provided with a key hooking groove (2541a), and the key hooking component passes through the key hooking groove (2541a) to be coupled with the motor housing (10).

6. The exhaust device according to claim 5, wherein the first upper cover (252) includes a first upper cover main body (2521) and a cover body seal (2527), the first upper cover main body (2521) being provided with a connection hole (2521a) communicating with the main housing chamber, the cover body seal (2527) being detachably mounted to the first upper cover main body (2521) and surrounding an edge of the connection hole (2521 a).

7. Exhaust device according to claim 1, characterized in that it further comprises a filtering structure (23), said filtering structure (23) being housed inside said main housing chamber.

8. A vacuum cleaner comprising an exhaust device according to any of claims 1 to 7, and a motor housing (10), the motor housing (10) having one end extending into the main receiving cavity, the button arrangement (40) being adapted to engage with or disengage from the motor housing (10).

9. A vacuum cleaner according to claim 8, wherein the key formation (40) cooperates with a ramp on the motor housing (10) for converting displacement of the venting device in the first direction into displacement of the key formation (40) in the second direction.

10. The vacuum cleaner according to claim 9, further comprising a handle (80), wherein the handle (80) is provided on one side of the second direction of the air discharge device.

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