CN113940584A

CN113940584A - Portable handheld dust suction device and dust suction equipment

Info

Publication number: CN113940584A
Application number: CN202010681919.7A
Authority: CN
Inventors: 倪祖根
Original assignee: Kingclean Electric Co Ltd
Current assignee: Kingclean Electric Co Ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2022-01-18
Anticipated expiration: 2040-07-15
Also published as: CN113940584B; WO2022011949A1

Abstract

The invention relates to the technical field of household appliances, in particular to a portable handheld dust collection device and dust collection equipment. The portable handheld dust collection device comprises a shell, wherein one end of the shell extends to form a handheld part, the other end of the shell extends to form an air duct part, an air duct is arranged in the air duct part, and an air duct inlet communicated with the air duct is arranged on the air duct part; the dust collecting cup comprises a cup body and a cup cover, the cup body is arranged on the machine shell, the cup cover is movably connected with the cup body, and the cup cover is positioned below the air duct; the releasing piece is movably arranged on the air duct part or the handheld part and is positioned above the air duct; and the transmission assembly is arranged between the shell and the air duct, one end of the transmission assembly is connected with the release piece, and the other end of the transmission assembly can drive the cup cover to move relative to the cup body so as to open the cup opening of the cup body. The user can realize the ash pouring operation by one hand when needing to clear up the dust in the cup body, and is convenient to use and favorable for improving the use experience of users.

Description

Portable handheld dust suction device and dust suction equipment

Technical Field

The invention relates to the technical field of household appliances, in particular to a portable handheld dust collection device and dust collection equipment.

Background

The handheld dust suction device is widely applied due to small size and convenient use. When the handheld dust collection device is used, impurities such as dust at a cleaning position are sucked into the dust collection cup to be filtered through the vacuum adsorption principle, so that the cleaning purpose is achieved.

In the existing handheld dust collector, the dust in the dust collecting cup is cleaned by two hands, so that the dust collecting cup is inconvenient to dump.

Disclosure of Invention

One object of the invention is to provide a portable handheld dust suction device which can realize one-hand dust pouring operation and is convenient to use.

In order to achieve the purpose, the invention adopts the following technical scheme:

a portable, handheld, dust extraction device comprising:

the portable handheld air conditioner comprises a shell, a handheld part and an air duct part, wherein one end of the shell extends to form the handheld part, the other end of the shell extends to form the air duct part, an air duct is arranged in the air duct part, and an air duct inlet communicated with the air duct is formed in the air duct part;

the dust collecting cup comprises a cup body and a cup cover, the cup body is arranged on the machine shell, the cup cover is movably connected with the cup body, and the cup cover is positioned below the air duct;

the releasing piece is movably arranged on the air duct part or the handheld part and is positioned above the air duct; and

the transmission assembly is arranged between the shell and the air duct, one end of the transmission assembly is connected with the release piece, and the other end of the transmission assembly can drive the cup cover to move relative to the cup body so as to open the cup opening of the cup body.

Wherein, the transmission assembly includes:

the push rod is arranged on the outer wall of the air duct in a sliding mode, and one end of the push rod is connected with the release piece;

the pushing block is arranged on the outer wall of the air duct in a sliding mode and extends downwards along the outer wall of the air duct, the top end of the pushing block is connected with the pushing rod, the bottom end of the pushing block extends into the cup body, and the cup cover can be driven to move relative to the cup body so as to open the cup opening of the cup body;

the push block or the push rod has a reset function.

The pushing block is arch-bridge shaped and is sleeved on the outer wall of the air duct.

Wherein, be provided with the constant head tank on the outer wall in wind channel, the ejector pad slide set up in the constant head tank.

The air duct is provided with a cover plate, and the cover plate is arranged at an opening of the positioning groove in a covering mode.

Wherein, the ejector pad epirelief is equipped with the connecting block, the connecting block with the push rod butt or be connected, be provided with spacing breach on the apron, the connecting block slide set up in the spacing breach.

The cover plate covers the push block, and the wiring channel is located between the cover plate and the casing.

Wherein the top surface of the cover plate is flush with the outer wall of the air duct.

The outer wall of the air duct is provided with a push rod guide groove, and the push rod is arranged in the push rod guide groove in a sliding manner;

a first wiring groove is formed in the outer wall of the air duct and is located beside the push rod guide groove;

the cover plate is provided with a second wiring groove, the second wiring groove is communicated with the first wiring groove, and the first wiring groove and the second wiring groove are both used for containing wires.

The outer wall of the air duct is bent towards the inside of the air duct, so that the push rod guide groove and the first wiring groove are formed on the outer wall of the air duct respectively, a first rib is formed on the inner wall of the air duct at a position corresponding to the first wiring groove, and a second rib is formed on the inner wall of the air duct at a position corresponding to the push rod guide groove.

The dust collecting cup further comprises a locking mechanism, the cup cover and the cup body can be locked by the locking mechanism to close the cup opening of the cup body, and the transmission assembly can drive the locking mechanism to move to unlock the cup cover and the cup body.

Wherein the locking mechanism comprises:

the first clamping part is arranged on the cup cover;

a rotating part arranged in the cup body;

the second clamping part is rotationally connected with the rotating part and can be clamped with the first clamping part to lock the cup cover and the cup body;

the stress part is connected with the second clamping part and can be abutted against the output end of the transmission assembly; and

the first elastic piece can drive the second clamping part to rotate in the direction of clamping with the first clamping part;

the transmission assembly can drive the stress part to drive the second clamping part to rotate in the direction of disengaging from the first clamping part, so that the cup cover and the cup body are unlocked.

When the cup cover closes the cup opening of the cup body, a gap H is formed between the output end of the transmission assembly and the locking mechanism.

Wherein, the atress portion with second joint portion all follows the radial extension of rotation portion, the atress portion is followed the radial length of rotation portion is less than second joint portion follows the radial length of rotation portion.

Wherein the dust cup is detachably connected with the casing.

Wherein the portable handheld dust extraction also includes:

a disassembly and assembly mechanism capable of locking the dust cup with the housing and unlocking the dust cup with the housing.

Wherein, dismouting mechanism includes:

the locking groove is arranged on the shell;

the locking piece is movably arranged in the dust collecting cup;

the third elastic piece is connected with the locking piece and can drive the locking piece to extend out of the dust collecting cup and extend into the locking groove; and

the trigger piece is connected with the locking piece and exposed out of the dust collecting cup, and the trigger piece can drive the locking piece to retract into the dust collecting cup.

The locking piece is arranged at the cup opening in a sliding mode, an avoiding notch is formed in the cup cover, and the triggering piece is arranged in the avoiding notch.

The dust collecting cup comprises a shell, a dust collecting cup body and a dust collecting cup, wherein the bottom of the shell is provided with a mounting groove, the dust collecting cup body is clamped in the mounting groove, and a locking groove is formed in the side wall of the mounting groove.

The transmission assembly comprises two output ends which are oppositely arranged, and the two output ends of the transmission assembly are symmetrically arranged on two sides of the disassembling and assembling mechanism.

Another objective of the present invention is to provide a dust collecting apparatus, which can select a use state according to needs, and the handheld dust collecting device can achieve a one-hand dust dumping operation, and is convenient to use.

the dust collection equipment comprises a cleaning machine head and the portable handheld dust collection device, wherein the cleaning machine head is detachably connected with the air duct portion.

Has the advantages that: the invention provides a portable handheld dust collection device and dust collection equipment. Among this portable hand-held type dust extraction, the user is when the dust of the internal of needs clearance cup, can hold handheld portion in the one hand, the release part is opened in finger (for example thumb or forefinger) removal through same hand, thereby realize the one hand and fall the grey operation, the release part is located the wind channel top, convenience of customers one-hand operation triggers the release part, the bowl cover is located the below in wind channel, it falls the grey angle to need not to adjust after opening the rim of a cup, high durability and convenient use, be favorable to improving user's use and experience.

Drawings

FIG. 1 is a schematic view of a dust suction apparatus according to the present invention;

FIG. 2 is a first schematic view of the portable handheld vacuum cleaner provided in the present invention;

FIG. 3 is a schematic structural view of a portable handheld vacuum cleaner according to the present invention;

FIG. 4 is an exploded view of the portable hand-held vacuum cleaner provided by the present invention;

FIG. 5 is a first structural schematic view of a part of the portable handheld vacuum cleaner provided by the present invention when the upper cover is not assembled;

FIG. 6 is a schematic view of the opening mechanism of the present invention in cooperation with a locking mechanism;

FIG. 7 is a schematic structural view of a portion of a side wall of an air chute provided in accordance with the present invention;

FIG. 8 is a schematic view of the locking mechanism of the present invention in engagement with a dirt cup;

FIG. 9 is a side view of a portion of the structure provided by the present invention for engaging a locking mechanism with an opening mechanism;

FIG. 10 is a second schematic structural view of a part of the portable handheld vacuum cleaner provided by the present invention when the upper cover is not assembled;

FIG. 11 is a top view of the structure shown in FIG. 10;

FIG. 12 is a schematic view of the structure of FIG. 7 at another angle;

FIG. 13 is a schematic structural view of a part of the portable handheld dust collector provided by the invention when the cup cover is not assembled;

FIG. 14 is a schematic view of a cup provided by the present invention;

FIGURE 15 is a first pictorial view illustrating a portion of the construction of a dirt cup in accordance with the present invention;

FIG. 16 is a front elevational view of the portable handheld vacuum cleaner provided in accordance with the present invention, shown without the dirt cup assembled;

fig. 17 is a schematic structural view of a part of the structure of the housing provided by the present invention;

FIG. 18 is a third schematic structural view of the portable hand-held vacuum cleaner provided in accordance with the present invention;

FIG. 19 is a cross-sectional view of a cup provided by the present invention;

FIG. 20 is an exploded view at the hand grip provided by the present invention;

FIG. 21 is an enlarged view of a portion of FIG. 20 at A;

fig. 22 is a partially enlarged view at B in fig. 20.

Wherein:

100. a portable handheld dust extraction device; 210. a floor brush head; 220. a gap cleaning machine head;

1. a body; 11. an air duct portion; 111. mounting grooves; 112. a communication port; 113. buckling; 12. a hand-held portion; 13. an end cap; 131. an air duct inlet; 132. a butt joint hole; 133. a clamping groove; 14. a cover plate; 15. an air duct; 151. a wiring groove; 1511. a line pressing block; 152. a push rod guide groove; 153. positioning a groove; 154. a first rib; 155. a second rib;

101. an upper cover; 1011. a first fastener; 1012. a first insertion part; 102. a lower case; 1021. a second insertion part;

2. a dust collecting cup; 21. a cup body; 211. a dust collection chamber; 212. a mounting cavity; 213. a rib plate; 214. an abutting portion; 215. a guide sleeve; 216. a limiting groove; 22. a cup cover; 23. a locking mechanism; 231. a first clamping part; 232. a second clamping part; 233. a rotating part; 234. a force receiving portion; 235. a resilient arm; 24. a partition plate; 25. a seal member;

3. a fan; 31. an air outlet;

4. an opening mechanism; 41. a release member; 421. a push rod; 422. a push block; 4221. a connecting portion; 4222. a pushing part;

5. a power source;

6. a conductive mechanism;

7. a disassembly and assembly mechanism; 71. a trigger; 72. a locking member; 73. a limiting part.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Example one

As shown in fig. 1, the present embodiment provides a dust suction apparatus including a portable handheld dust suction device 100 and a cleaner head detachably connected to the portable handheld dust suction device 100. When the user uses the dust suction device, the user can select to use the portable handheld dust suction device 100 alone or to use the portable handheld dust suction device 100 and the cleaning machine head in a matching way according to the actual requirement of the position to be cleaned.

Further, the dust collection equipment comprises at least two cleaning heads so as to increase the use scenes of the dust collection equipment. Specifically, in the present embodiment, the at least two sweeper heads include, but are not limited to, a floor brush head 210 and a crevice sweeper head 220.

When the brush head 210 is used with the portable handheld vacuum cleaner 100, the user drives the brush head to slide along the floor through the portable handheld vacuum cleaner 100 to clean the floor.

When the gap cleaning head 220 has an end portion with a flat structure, when the gap cleaning head 220 is used with the portable handheld dust suction device 100, a user can hold the portable handheld dust suction device 100 to drive the gap cleaning head 220 to move at a narrow position, such as a corner or a compartment, so as to clean the narrow position.

It should be noted that, the floor brush head 210 and the gap cleaning head 220 can be both of the prior art structure, and will not be described in detail in this embodiment.

Alternatively, the crevice sweeper head 220 may be removably attached to the portable hand-held cleaning apparatus 100. When the floor brush head 210 is engaged with the portable handheld vacuum cleaner 100, the gap cleaning head 220 can be installed on the portable handheld vacuum cleaner 100, so as to prevent the gap cleaning head 220 from being lost due to being placed alone.

Optionally, the cleaning apparatus may further comprise a stand, and both the portable hand-held cleaning device 100 and the crevice sweeper head 200 may be mounted on the stand.

The bracket is provided with a charging socket, and when the portable handheld dust collector 100 is installed on the bracket, the charging socket and the portable handheld dust collector 100 can be matched through a charging port and a charging plug so as to charge the portable handheld dust collector 100.

In this embodiment, as shown in fig. 2 and 3, the portable handheld dust collector 100 includes a machine body 1, a dust cup 2 and a fan 3, and both the dust cup 2 and the fan 3 are disposed on the machine body 1. The machine body 1 comprises a machine shell, one end of the machine shell extends to form a handheld part 12, the other end of the machine shell extends to form an air duct part 11, an air duct inlet 131 is arranged at the end part of the air duct part 11, the air duct inlet 131 is communicated with an air duct 15 (see fig. 10) in the air duct part 11, and the air duct 15, the dust cup 2 and the fan 3 are sequentially communicated. One end of the machine body 1 far away from the handheld part 12 is detachably connected with the cleaning machine head.

When the portable handheld dust collector 100 is used, the user holds the handheld portion 12 to move the air duct portion 11, so that the air duct inlet 131 moves along the position to be cleaned. Under the action of the fan 3, negative pressure is formed inside the dust collecting cup 2, impurities such as dust at the position to be cleaned enter the dust collecting cup 2 sequentially through the air duct inlet 131 and the air duct 15 under the action of the negative pressure, the impurities are accumulated in the dust collecting cup 2 after being filtered by the filtering component in the dust collecting cup 2, and the filtered air flow is discharged through the air outlet 31 of the fan 3.

In this embodiment, the filter assembly includes a filter screen and a HEPA. The air flow entering the dust collecting cup 2 is firstly filtered for the first time by the filter screen and then filtered for the second time by the HEPA, so as to improve the filtering effect. The secondary filtration is carried out through the HEPA, 99% of fine particles in the air can be filtered, and the air passing through the dust collecting cup 2 enters the fan 3 after being purified, so that the secondary pollution is reduced.

For impurity such as dust in the convenient dust cup 2 of empting, dust cup 2 includes cup 21 and bowl cover 22, and cup 21 installs on the casing, bowl cover 22 and cup 21 swing joint to open or close the rim of a cup of cup 21 as required, cup 21 passes through the air intake connection of filter assembly with fan 3, so that filter the dirt bits in the air current.

For the convenience of the operation of the user, when the user normally holds the handheld portion 12, the air duct 15 is located at the upper portion of the machine body 1, and the control key for controlling the start/stop or other working parameters of the portable handheld dust collector 100 is arranged on the air duct portion 11 or the handheld portion 12, so that the user can conveniently trigger the control key when holding the handheld portion 12 with one hand to adjust the working state of the portable handheld dust collector.

In other embodiments, control keys may also be provided on the handle 12.

In order to avoid the user to open the rim of the cup 21 after, need portable hand-held dust extraction 100 of upset to make the rim of the cup 21 set up down, in this embodiment, the bowl cover 22 is located the below of wind channel 15, namely the user is under the state of normally holding handheld portion 12, the rim of the cup 21 is located the bottom of organism 1, open the bowl cover 22 after, the rim of the cup has set up down, the dust in the cup 21 can be emptyd by the rim of the cup automatically under the action of gravity, the user need not upset adjustment rim of the cup angle, it is more convenient to use.

In this embodiment, one end of the cap 22 is rotatably connected to the cup 21, and the other end thereof is locked to the cup 21 by the locking mechanism 23. By providing the locking mechanism 23, the cup opening can be kept closed when the portable handheld dust collector 100 is in normal use, and dust can be prevented from spilling.

When the conventional portable handheld dust suction device is used for cleaning impurities such as dust, a user needs to hold the handheld part with one hand and open the cup cover with the other hand, so that the operation of pouring dust with two hands is inconvenient. In order to facilitate the ash dumping operation, in the present embodiment, the portable handheld dust collector 100 further includes an opening mechanism 4 for opening the cup body 21. The opening mechanism 4 comprises a releasing part 41 and a transmission component, the releasing part 41 is movably arranged on the casing, the transmission component is arranged between the casing and the air duct 15, one end of the transmission component is connected with the releasing part 41, and the other end of the transmission component can be matched with the cup cover 22, so that the cup cover 22 is driven to move relative to the cup body 21 through the movement of the releasing part 41, and the cup opening of the cup body 21 is opened.

By arranging the opening mechanism 4, the opening process of the cup opening of the cup body 21 can be simplified, and a user only needs to move the release part 41, so that the operation is more convenient.

As shown in fig. 2, the release 41 is located above the air duct 15, and the cap 22 is located below the air duct 15. When a user needs to clean dust in the cup body 21, the user can move the release member 41 to open the cup mouth of the cup body 21 by a finger (such as a thumb or an index finger) of the same hand while holding the holding part 12 by the single hand, so as to realize the single-hand dust pouring operation. The release part 41 is positioned above the air duct 1, so that a user can operate the trigger release part 41 by one hand conveniently, when the user pours the ash, the user can use the thumb to be positioned above the handheld part 12 and used for triggering the release part 41, and the rest four fingers are positioned at the bottom of the handheld part 12, so that the operation by one hand is more convenient. The cup cover 22 is located below the air duct 15, the ash pouring angle does not need to be adjusted after the cup opening is opened, the use is convenient, and the use experience of a user is improved.

In this embodiment, the releasing member 41 may be located on the air channel portion 11 and at an end near the handle portion 12. On the one hand, the release piece 41 is arranged on the air channel part 11, so that the user can be prevented from touching the release piece 41 when holding the handheld part 12, the touch feeling of the user can be improved, and the release piece 41 can be prevented from being touched by mistake; on the other hand, the release part 41 is close to the handheld part 12, so that a user can hold the handheld part 12 with a single hand and can trigger the release part 41 to move to open the cup body 21 through fingers (such as a thumb or an index finger) of the same hand, thereby achieving the single-hand ash pouring operation, being convenient to use and being beneficial to improving the use experience of the user.

In this embodiment, the releasing member 41 may be a push button, and the push button is slidably connected to the housing. When a user needs to open the cup mouth of the cup body 21, the cup cover 22 can be driven to move through the transmission assembly by pushing the push button, and the operation is labor-saving.

In other embodiments, the release 41 may also be a button or knob, both of which may facilitate user operation.

In other embodiments, the release 41 may also be provided on the handle 12.

As shown in fig. 2 and 3, in order to further facilitate the user to clean the impurities such as dust and the like in the dust collecting cup 2, an opening is provided at one end of the cup body 21 far away from the handheld portion 12, that is, the cup opening is arranged close to the air duct inlet 131, and the bottom end of the cup cover 22 is rotatably connected with the cup body 21. The user grips handheld portion 12 when falling the ash, and wind channel entry 131 sets up downwards naturally, opens the rim of a cup of cup 21 through release 41 this moment after, and bowl cover 22 can not be located the rim of a cup under, and impurity such as dust in the cup 21 will pour out through the rim of a cup of cup 21 under the action of gravity, need not the rim of a cup orientation of user adjustment cup 21 to further simplify the ash operation of falling.

Taking the air duct inlet 131 located at the front end of the machine body 1 as an example, the cup body 21 is located at the bottom of the machine body 1, the cup opening of the cup body 21 is obliquely arranged, and the cup opening obliquely extends from the top of the front end of the cup body 21 to the bottom of the cup body 21. The cup mouth is arranged according to the above mode, so that on one hand, the size of the cup mouth can be increased, and dust can be conveniently poured; on the other hand, the deflection angle of the flow direction of the air flow entering the dust cup from the air duct 15 can be reduced, so that the air flow enters the cup body 21 under the guiding action of the cup cover 22 which is also obliquely arranged, and the stability of the air flow is favorably maintained.

Illustratively, the cup lid 22 and the cup body 21 can be rotatably connected by a rotating shaft, and the rotating shaft can be located at about 1/2 along the length direction of the cup body 21, so as to ensure a certain dust collecting space in the dust collecting cup 2 on the basis of enlarging the cup mouth, and avoid the dust collecting space from being too small.

Preferably, the dirt cup 2 is arranged at the bottom of the housing. On one hand, the dust cup 2 can be prevented from blocking the sight, and a user can observe the cleaning condition of the position to be cleaned; on the other hand, when the user pours the dust, the impurities such as the dust can be prevented from being accumulated on the machine body 1, and the cleanness of the appearance of the machine body 1 is favorably kept.

As shown in fig. 4, to facilitate assembly of the various structures of the machine body 1, the housing includes an upper cover 101 and a lower cover 102, and the upper cover 101 and the lower cover 102 are detachably coupled to install or maintain the various structures in the housing. The housing of the blower 3 may be integrated with the lower case 102 to reduce the number of parts and facilitate assembly.

In this embodiment, as shown in fig. 5 and 6, the transmission assembly includes a push rod 421 and a push block 422, one end of the push rod 421 is connected to the release member 41, the other end is connected to the push block 422, and the push block 422 can slide relative to the air duct 15, so as to drive the cup cover 22 to move. The push rod 421 is disposed on the top of the air duct 15 and extends along the flowing direction of the air in the air duct 15, so as to transmit the movement of the release 41 to the direction of the cup cover 22. The push block 422 extends downwards from the top of the air duct 15 along the outer wall of the air duct 15, so that on one hand, the push block 422 can be prevented from occupying the space in the air duct 15, and the gas flow during vacuum adsorption is ensured; on the other hand, the power can be transmitted from the upper part to the lower part of the air duct 15, thereby driving the cup cover 22 to rotate relative to the cup body 21.

In order to make the push block 422 slide more stably relative to the air duct 15, the push block 422 may be in an arch bridge shape, so that the push block 422 can be sleeved on the air duct 15, on one hand, the push block 422 can be made to avoid the air duct 15, a gap between the casing and the air duct 15 is fully utilized as an installation space, and the situation that the inner space of the air duct 15 is reduced as the push block 422 directly passes through the air duct 15 is avoided; on the other hand, the pushing block 422 in the shape of an arch bridge is matched with the air duct 15, so that the outer wall of the air duct 15 can guide the movement of the pushing block 422, and the pushing block 422 can move more stably.

Further, as shown in fig. 7, a positioning groove 153 is provided on an outer wall of the air duct 15, and the push block 422 is slidably disposed in the positioning groove 153, so that on one hand, the limit position of the push block 422 sliding relative to the air duct 15 can be limited by the positioning groove 153, and on the other hand, the distance between the air duct 15 and the housing can be reduced, thereby controlling the overall size of the portable handheld dust collector 100.

In order to prevent the push block 422 from being separated from the air duct 15 along the radial direction of the air duct 15, a cover plate 14 (refer to fig. 5) is disposed on the outer wall of the air duct 15, the cover plate 14 is disposed at the opening of the positioning groove 153, and the push block 422 is clamped between the cover plate 14 and the outer wall of the air duct 15, so as to position the push block 422 along the radial direction of the air duct 15.

In addition, the cover plate 14 can prevent the thrust block 422 from being partially tilted in the sliding process, which is beneficial to improving the stability of the motion of the thrust block 422.

In order to reduce the space occupied by the push rod 421 inside the housing and avoid the interference between the push rod 421 and the wires, the diameter of the push rod 421 is smaller. For guaranteeing the driven stability between push rod 421 and the ejector pad 422, ejector pad 422 epirelief is equipped with the connecting block, and the connecting block is connected or the butt with push rod 421 to the removal through push rod 421 drives ejector pad 422's removal, is favorable to improving the stability of ejector pad 422 motion.

For avoiding ejector pad 422 relative wind channel 15 along circumferential direction, be provided with spacing breach on the apron 14, the connecting block can slide and set up in spacing breach, through the cooperation of connecting block and spacing breach, realizes the circumferential direction location to ejector pad 422, makes ejector pad 422 motion more stable.

Further, a push rod guide groove 152 is further formed in the outer wall of the air duct 15, the push rod 421 can be slidably disposed in the push rod guide groove 152, and the sliding direction of the push rod 421 is guided by the push rod guide groove 152, so that the push rod 421 is prevented from being jammed in the moving process.

In order to make the stress of the push block 422 more uniform, the push block 422 includes a connecting portion 4221 and two push portions 4222 arranged oppositely. The connecting part 4221 is slidably arranged at the top of the air duct 15, and the connecting block is arranged at the connecting part 4221 so as to be connected with the push rod 421; push portions 4222 are symmetrically arranged on two opposite sides of the connecting portion 4221, the push portions 4222 are arranged on the side portion of the air duct 15 in a sliding mode, and the end portion of each push portion 4222 can be matched with the locking mechanism 23 so that the cup cover 22 and the cup body 21 can be unlocked. In this embodiment, the push rod 421 is connected to the connecting block in the middle of the connecting portion 4221, and the push portions 4222 symmetrically disposed on both sides can be matched with the locking mechanism 23, so as to improve the uniformity of the stress on the push block 422, and make the push block 422 slide more stably.

Further, the opening assembly also comprises a first resetting member which can drive the releasing member 41 to automatically reset after the user releases the releasing member 41. In this embodiment, the first piece that resets can be the spring, and the simple structure of spring, it is with low costs, and simple to operate.

Specifically, each pushing portion 4222 is correspondingly provided with a first resetting piece, and the first resetting pieces corresponding to the two pushing portions 4222 are symmetrically arranged. One end of the first reset piece is abutted or connected with the pushing portion 4222, and the other end of the first reset piece is abutted or connected with the outer wall of the shell or the air duct 15.

When a user pushes the releasing piece 41, the releasing piece 41 applies a pushing force to the pushing block 422 through the push rod 421, the pushing block 422 slides by overcoming the elastic force of the first resetting piece, and the first resetting piece can play a role in buffering the pushing block 422 on one hand, so that the pushing block 422 is prevented from being contacted with the locking mechanism 23 to generate a large impulsive force; on the other hand, the first reset pieces which are symmetrically arranged can also prevent the push block 422 from deflecting, so that the push block 422 is prevented from being blocked in the sliding process.

After the user loosens the release part 41, the first reset part resets by driving the push part 4222, and the reset of the push block 422, the push rod 421 and the release part 41 is sequentially realized, so that the user can directly lock the cup cover 22 and the cup body 21 after ash pouring, the manual driving of the release part 41 is not needed, and the operation of the user is simplified.

In order to prevent the first reset piece from bending in the deformation process, the air duct 15 and/or the pushing portion 4222 are/is provided with a reset mounting post, the first reset piece can be sleeved outside the mounting post, and the push block 422 is prevented from being blocked due to the bending of the first reset piece.

In other embodiments, the first restoring member may also be sleeved outside the push rod 421, and the push rod 421 is pushed to restore, so as to drive the push block 422 and the releasing member 41 to restore.

In order to improve the aesthetic appearance of the portable handheld dust collector 100, in this embodiment, the locking mechanism 23 is disposed in the cup body 21, and the bottom end of the push block 422 can penetrate through the through hole on the housing and extend into the cup body 21, so as to cooperate with the locking mechanism 23 to unlock the cup body 21 and the cup cover 22.

As shown in fig. 8, the locking mechanism 23 includes a first engaging portion 231, a second engaging portion 232, a rotating portion 233, a force receiving portion 234, and a first elastic member. The first clamping portion 231 is arranged on the cup cover 22, the rotating portion 233 is fixedly arranged in the cup body 21, the second clamping portion 232 is rotatably connected with the rotating portion 233, and the first clamping portion 231 can be matched with the second clamping portion 232, so that the cup cover 22 is positioned at a position for closing a cup opening on the cup body 21, and the cup body 21 and the cup cover 22 are locked; the stress part 234 is connected with the second clamping part 232 and can rotate relative to the rotating part 233 synchronously with the second clamping part 232, and the stress part 234 is used for being matched with the push block 422; first elastic component elastic connection second joint portion 232 and cup 21, first elastic component can drive second joint portion 232 to rotate with the direction of first joint portion 231 chucking. By arranging the first elastic piece, on one hand, the second clamping part 232 can be prevented from being separated from the first clamping part 231, and the locking effect of the cup body 21 and the cup cover 22 is improved; on the other hand, the sealing effect between the cup cover 22 and the cup body 21 can be improved, and the dust in the cup body 21 is prevented from leaking. Wherein, the rotating portion 233 can be a rotating shaft, two ends of the rotating shaft are respectively fixedly connected with the inner wall of the cup body 21, the second clamping portion 232 and the stress portion 234 can be an integrated structure, and the rotating shaft is rotatably sleeved with the second clamping portion 232 and the stress portion 234.

In other embodiments, the rotating portion 233, the second engaging portion 232 and the force-receiving portion 234 may be an integral structure, and both ends of the rotating portion 233 are rotatably connected to the inner wall of the cup 21.

In this embodiment, the first fastening portion 231 and the second fastening portion 232 are both hook structures. When the portable handheld dust collector 100 is in normal use, a user can press the cup cover 22 down on the cup body 21 to enable the first clamping portion 231 and the second clamping portion 232 to hook and lock under the action of the first elastic piece, the structure is simple, the locking is convenient, and the sealing effect is reliable.

When dust in the dust cup needs to be cleaned, a user drives the push rod 421 and the push block 422 to move in sequence by pushing the release member 41, and the push block 422 drives the second clamping portion 232 to rotate relative to the rotating portion 233 by pushing the stress portion 234, so as to drive the second clamping portion 232 to disengage from the first clamping portion 231, and the cup cover 22 and the cup body 21 are locked in a contact manner, thereby facilitating the cleaning of the dust.

In other embodiments, the first fastening portion 231 may be an elastic structure, such as an elastic hook, and the elastic force of the first fastening portion 231 can keep the first fastening portion 231 and the second fastening portion 232 in a locked state. The push block 422 can be matched with the first clamping portion 231 to unlock the cup cover 22 and the cup body 21, correspondingly, the second clamping portion 232 can be fixedly arranged in the cup body 21, and the locking mechanism 23 does not need to be provided with the stress portion 234 and the rotating portion 233, so that the structure is simplified.

In order to enable the cup cover 22 to automatically bounce relative to the cup body 21 in the unlocked state and keep the unlocked state, the dust collection cup 2 further comprises a second elastic piece, and the second elastic piece can drive the cup cover 22 to rotate relative to the cup body 21 in the direction of opening the cup mouth of the cup body 21, so that after the cup cover 22 and the cup body 21 are unlocked, the dust collection cup can automatically bounce under the action of the second elastic piece, a user does not need to manually rotate the cup cover 22 or hold the cup cover 22 to keep the state of the cup cover 22, and dust cleaning operation is simpler.

Optionally, the second elastic element can be a second torsion spring, the second torsion spring is sleeved on a rotating shaft connecting the cup cover 22 and the cup body 21, and two end portions of the second torsion spring are respectively abutted to the cup body 21 and the cup cover 22 so as to drive the cup cover 22 to rotate relative to the cup body 21, and the torsion spring is simple in structure, low in cost and beneficial to controlling the cost of the portable handheld dust collector 100.

In this embodiment, every promotion portion 4222 all corresponds and is provided with a second joint portion 232, and every second joint portion 232 all corresponds and is provided with rather than the first joint portion 231 of complex, and first joint portion 231 is located the relative both sides of the same end of bowl cover 22, is favorable to making bowl cover 22 stress balance when locking with cup 21, avoids bowl cover 22 to produce stress concentration because of the atress inequality to can improve the sealed effect between bowl cover 22 and the cup 21.

Alternatively, the first elastic member may be a first torsion spring, and the first torsion spring is sleeved outside the rotating shaft. First elastic component also can be elastic arm 235, and the one end and the rotation portion 233 of elastic arm 235 are connected, and the other end can be when bowl cover 22 closes the rim of a cup 21 with the inner wall butt of cup 21 to make elastic arm 235 warp and save elastic potential energy, can provide locking force for the cooperation of first joint portion 231 and second joint portion 232 equally.

In this embodiment, the preferred elastic arm 235 of first elastic component, because of the volume of torsional spring is great, compares the scheme that uses the torsional spring, and first elastic component can save installation space for elastic arm 235, increases the collection dirt space in the cup 21, reduces the frequency that the user cleared up the dirt cup, is favorable to improving user's use and experiences.

Optionally, the second clamping portion 232, the force-receiving portion 234 and the elastic arm 235 may be an integral structure, which can reduce the number of parts of the locking mechanism 23, and facilitate processing and assembly.

Because of being provided with multiple control key on the casing, multiple control key includes but not limited to switch and speed governing button, for avoiding the user when using portable hand-held type dust extraction, the mistake hits release 41 and leads to the bowl cover 22 to rotate the opening with the rim of a cup, and the bowl cover 22 is when closing cup 21, is provided with clearance H between transmission assembly's output and the locking mechanical system.

Specifically, as shown in fig. 9, when the releasing member 41 is in a state of not receiving an external force, the pushing block 422 is located at the initial position under the action of the first resetting member, and a gap H is provided between the pushing portion 4222 of the pushing block 422 and the force receiving portion 234.

When a user touches the releasing part 41 by mistake to drive the pushing block 422 to move, and the moving distance of the pushing block 422 is smaller than the gap H, the pushing block 422 is not contacted with the stress part 234, so that the cup opening on the cup body 21 is ensured to be in a closed state, and the problem that the cup opening is opened or the cup cover 22 and the cup body 21 are not sealed well due to the fact that the user touches the releasing part 41 by mistake is avoided.

It should be noted that the specific size of the gap H can be set according to the actual structural size.

Optionally, for the convenience of the user, the power switch, the speed-adjusting button and the releasing member 41 may also be set to specific positions according to the use frequency, so that the control key with high use frequency is relatively close to the handheld portion 12 for the convenience of the user to operate, and correspondingly, the control key with low use frequency is relatively far away from the handheld portion 12 for avoiding the user from mistakenly touching in the operation process.

Illustratively, the power switch, speed knob and release 41 may be arranged on the housing from top to bottom to avoid accidental contact by the user.

For further convenience of a user to open the cup opening by pushing the release part 41, the force receiving portion 234 and the second clamping portion 232 both extend along the radial direction of the rotating shaft, and the radial length N of the force receiving portion 234 along the rotating portion 233 is smaller than the radial length M of the second clamping portion 232 along the rotating portion 233, so that when the rotating portion 233 rotates by a certain angle, the rotating track of the end portion of the force receiving portion 234 is shorter, and the rotating track of the end portion of the second clamping portion 232 is longer, so that the first clamping portion 231 and the second clamping portion 232 can be separated when the release part 41 moves by a shorter distance, and the cup opening is opened.

When the user opens the cup mouth, the distance for pushing the release part 41 to move is short, and the user can conveniently operate the cup mouth with one hand.

In order to save labor when a user holds the dust cup by hand, the power supply 5 can be arranged in the handheld part 12, and the fan 3 is arranged at the bottom of the machine body 1 and is positioned at one side of the dust cup 2 close to the handheld part 12, so that the connection between the fan 3 and the power supply 5 and the communication between the inlet of the fan 3 and the dust cup 2 are facilitated. With the above arrangement, the weight of the portable handheld dust collector 100 can be concentrated on the handheld portion 12, the weight of the air duct portion 11 can be reduced, and the user can hold the dust collector more easily.

Because the cleaning head is internally provided with electric elements for assisting cleaning, when the cleaning head is matched with the portable handheld dust suction device 100 for use, the power supply 5 needs to be connected with the cleaning head so as to supply power to the electric elements in the cleaning head.

In this embodiment, the body 1 further includes a conductive mechanism 6 (see fig. 4), one end of the conductive mechanism 6 is electrically connected to the power source 5, and the other end of the conductive mechanism 6 can be electrically connected to the cleaning head, so that when the cleaning head is used in cooperation with the portable handheld dust collector 100, the power source 5 in the handheld portion 12 supplies power to the cleaning head.

Specifically, the conductive mechanism 6 includes a wire and a docking assembly, the docking assembly is disposed at one end of the body 1 far away from the handheld portion 12 and disposed between the housing and the air duct 15, a docking hole 132 is disposed at a position corresponding to the docking assembly on the end surface of the body 1, and the wire is disposed between the housing and the air duct 15 and used for communicating the docking assembly and the power supply 5. The cleaning machine head is correspondingly provided with a butt joint part which is electrically connected with an electrical element in the cleaning machine head.

When the cleaner head is matched with the portable handheld dust collector 100, the butt joint part on the cleaner head can extend into the butt joint hole 132 and is matched and conducted with the butt joint assembly, so that the conduction of electrical elements in the cleaner head and the power supply 5 in the portable handheld dust collector 100 is realized.

For guaranteeing dust collecting equipment's power consumption safety, the butt joint subassembly includes electrically conductive contact pin and sets up the fire-retardant protective sheath outside electrically conductive contact pin, electrically conductive contact pin's at least part sets up in butt joint hole 132, fire-retardant protective sheath can prevent on the one hand that dust collecting equipment from using overheated or the power consumption abnormity leads to dust collecting equipment inner structure spontaneous combustion to accord with safe standard operation requirement, on the other hand can realize the fixed to electrically conductive contact pin position through fire-retardant protective sheath, it is more convenient to compare the installation of direct fixation electrically conductive contact pin.

Optionally, fire-retardant protective sheath can be through the mode integrated into one piece of moulding plastics outside electrically conductive contact pin, need not other structural connection between fire-retardant protective sheath and the electrically conductive contact pin, simple structure, processing is convenient.

Optionally, a clamping groove 133 (see fig. 2) may be disposed on an inner wall of the air duct inlet 131, and an insertion end is disposed on the cleaning machine head, and a clamping end is disposed on the insertion end. When the cleaning machine head and the portable handheld dust suction device 100 are installed, the inserting end is inserted into the air duct inlet 131, the clamping end can be clamped in the clamping groove 133, and the cleaning machine head and the portable handheld dust suction device 100 are fixed through the matching of the clamping end and the clamping groove 133.

Specifically, a clamping hole is formed in the inner wall of the clamping groove 133, a clamping block is correspondingly arranged on the clamping end of the cleaning machine head, and the clamping block is clamped and matched with the clamping hole after the clamping end is inserted into the clamping groove 133, so that the cleaning machine head and the portable handheld dust collector 100 are fixed.

In other embodiments, the detachable structure of the cleaner head and the portable handheld dust suction device 100 may be other structures as long as the detachable structure can be detachably mounted.

In order to improve the air tightness of the dust collecting device, in this embodiment, an end cover 13 is further disposed outside one end of the machine body 1, where the air duct inlet 131 is disposed, the end cover 13 is sleeved outside the machine shell, and a sealing layer is further disposed between the end cover 13 and a contact surface of the machine shell, and the sealing layer can block an installation gap between the end cover 13 and the machine shell, so that the air duct 15 is prevented from communicating with the outside of the machine body 1 through the installation gap, and the performance of the dust collecting device is improved.

In order to prevent the air flow in the air duct 15 from entering between the casing and the outer wall of the air duct 15 through the clamping hole on the inner wall of the clamping groove 133, a sealing layer may be disposed on the outer wall of the air duct 15 at a position corresponding to the clamping hole, and the sealing layer covers the clamping hole, thereby improving the air tightness of the portable handheld dust collector 100.

Alternatively, the sealing layer may be made of a sealant, which not only can improve the sealing effect, but also can improve the fixing effect of the casing and the end cover 13 by its own viscosity.

Because the wires and the transmission assembly are located in the same space, in order to prevent the wires from being routed in the transmission assembly, and therefore the wires are worn out, as shown in fig. 10 and 11, the cover plate 14 at least covers part of the transmission assembly, and the routing channel for accommodating the wires is located between the cover plate 14 and the casing, so that the transmission assembly and the wires can be prevented from interfering with each other.

By providing the cover plate 14, the wire and at least a portion of the transmission assembly can be separated, the interference between the wire and the transmission assembly can be avoided, the smooth movement of the transmission assembly can be ensured, the wire can be prevented from being wound on the transmission assembly, and thus the reliability of the portable handheld dust collector 100 can be improved.

Because the push rod 421 is rectangular structure, occupation space is less, and the wire can set up with the push rod 421 interval when walking the line along the outer wall in wind channel 15, avoids wire and push rod 421 contact wear to lead to failing. The push block 422 is arranged across the air duct 15, and when the lead is connected with the power supply 5 and the conductive contact pin, the lead inevitably passes through the push block 422, and is easily contacted and abraded with the push block 422. For this reason, in the present embodiment, the conductive wire and the push rod 421 may be disposed at an interval, and the cover plate 14 may be disposed only above the push block 422 to separate the push block 422 and the conductive wire, so as to prevent the push block 422 and the conductive wire from interfering with each other.

To further isolate the wires from the drive assembly, as shown in FIG. 10, a raceway 151 is also provided on the outer wall of the air chute 15 and/or the cover plate 14, and the wires are received in the raceway 151. The position of the wire can be further fixed by arranging the wiring groove 151, and the wire is prevented from moving, so that the wire is prevented from interfering with the transmission assembly.

In this embodiment, through the cover plate 14 and the wiring groove 151, when the transmission assembly is disposed between the housing and the outer wall of the air duct 15, the transmission assembly and the wires are not interfered with each other, so as to ensure normal transmission of the transmission assembly, and avoid failure of the wires due to contact and abrasion with the transmission assembly.

Optionally, as shown in fig. 7, the top of the sidewall of the cabling groove 151 may also be provided with a cable pressing block 1511. The wire pressing block 1511 can reduce the opening size of the wire running groove 151. During the fixed wire, press the wire and make the wire cross the line ball 1511 squeeze into trough 151, later line ball 1511 is located the top of wire, can press the wire to the trough 151 in to prevent that the wire breaks away from trough 151, thereby improve the fixed effect to the wire.

Further, the wire pressing block 1511 may be a wedge, a wedge surface of the wedge faces to the other side wall of the wire trough 151, and a distance between the wedge surface and the other side wall gradually increases from the outer side of the wire trough 151 to the inner side, so that the wire is pressed into the wire trough 151 by the wedge surface.

Optionally, a plurality of wire pressing blocks 1511 may be disposed on the side wall of the wire trough 151, and the plurality of wire pressing blocks 1511 may be disposed on the same side wall of the wire trough 151, or may be disposed on two opposite side walls of the wire trough 151 in a staggered manner.

For convenience of introduction, the cabling slot 151 on the outer wall of the air duct 15 is a first cabling slot, the cabling slot 151 on the cover plate 14 is a second cabling slot, two first cabling slots are arranged on the air duct 15 at intervals, and the push rod 421 is slidably arranged between the two first cabling slots. A second wiring groove is arranged on the cover plate 14 corresponding to each first wiring groove, and the first wiring grooves are communicated with the second wiring grooves.

In this embodiment, as shown in fig. 12, the first wire running groove on the air duct 15 may be formed by bending the outer wall of the air duct 15 towards the inner side of the air duct 15 through an injection molding process, so as to form an inward concave wire running groove 151 on the outer wall of the air duct 15, and at the same time, form a convex first rib 154 on the inner wall of the air duct 15, where the first rib 154 extends along the flow direction of the airflow in the air duct 15. This kind of forming mode of trough 151, not only the processing mode is simple, is favorable to guaranteeing the intensity of wind channel 15, but also can make the first bead 154 of simultaneous shaping, and first bead 154 can play the effect of guide to the air current in the wind channel 15 to change the mobile state of air current in the wind channel 15, in order to reach the effect of stationary flow.

Likewise, the push rod guide groove 152 may be formed by bending the outer wall of the air duct 15 toward the inside of the air duct 15, so that the second rib 155 is formed at the inside of the air duct 15 at the same time as the push rod guide groove 152 is formed. The forming mode of the push rod guide groove 152 is simple in processing mode, and is beneficial to ensuring the strength of the air duct 15, on one hand, the second convex edge 155 can be formed at the same time, and the second convex edge 155 can guide the airflow in the air duct 15, so that the flowing state of the airflow in the air duct 15 is changed, and the effect of stabilizing the flow is achieved; on the other hand, the distance between the housing and the outer wall of the air duct 15 can be reduced, thereby reducing the size of the portable handheld dust suction device 100 in the up-down direction.

In this embodiment, the wire is separated from the push rod 421 by the first wire slot, so as to prevent the push rod 421 from moving and winding around the wire; the wires are separated from the push block 422 by the cover plate 14, so as to prevent the push block 422 from moving and interfering with the wires, thereby ensuring the normal operation of the portable handheld dust collector 100.

When the cover plate 14 covers the push block 422, the top surface of the cover plate 14 is flush with the outer wall of the air duct 15, so that the first wiring groove and the second wiring groove are smoothly connected, and the wire is prevented from being bent or contacted with edges and corners when entering the second wiring groove from the first wiring groove, and the wire is prevented from being worn.

Example two

The embodiment provides a dust suction device which is further improved on the basis of the first embodiment so as to improve the sealing effect between the cup cover 22 and the cup body 21.

When locking mechanism 23 is locking bowl cover 22 and cup 21, exert the locking force to bowl cover 22, will lead to

bowl cover

22 and 23 complex position stress concentration of locking mechanism, and then lead to whole bowl cover 22 atress inhomogeneous, will influence the sealed effect of the cooperation position of bowl cover 22 and rim of a cup to lead to dust cup 2 gas leakage, influence result of use and use experience.

In order to solve the above problem, in the present embodiment, as shown in fig. 13, the partition plate 24 is provided in the cup body 21 to divide the inner space of the cup body 21 into the dust collecting chamber 211 and the mounting chamber 212, and correspondingly, the cup mouth is divided into the first opening and the second opening, the first opening corresponds to and communicates with the dust collecting chamber 211, the second opening corresponds to and communicates with the mounting chamber 212, the locking mechanism 23 is provided in the mounting chamber 212, and the elastic arm 235 of the locking mechanism 23 can abut against the inner wall of the mounting chamber 212. When the cup cover 22 closes the cup opening, part of the cup cover 22 (hereinafter referred to as a sealing part) is used for being matched and sealed with the dust collection cavity 211, and the rest part of the cup cover 22 (hereinafter referred to as a locking part) corresponds to the mounting cavity 212 and is used for being matched with the locking mechanism 23.

Through the arrangement, the locking part matched with the locking mechanism 23 on the cup cover 22 is positioned on the outer side of the dust collection cavity 211, and the locking force applied to the cup cover 22 by the locking mechanism 23 is concentrated on the locking part, so that the influence of the locking force on the sealing part, which is received by the cup cover 22, can be reduced, and the sealing effect of the cup cover 22 on the dust collection cavity 211 is improved.

In order to further improve the sealing effect of the dust collection cavity 211 and the sealing part, as shown in fig. 14 and 15, the sealing element 25 can be integrally injection-molded on the cup cover 22, the processing technology is simple, the structure for fixing the sealing element 25 is not required to be additionally arranged, the installation position of the sealing element 25 and the cup cover 22 can be prevented from being changed, and the sealing effect of the dust collection cavity 211 is improved. Illustratively, the seal 25 is a seal ring.

Optionally, the cup 21 is provided with a bead at a position matching with the sealing member 25, and when the lid 22 closes the opening of the cup 21, the bead on the cup 21 can abut against the sealing member 25, so as to further improve the sealing performance between the cup 21 and the lid 22.

In this embodiment, the bottom end of the cup cover 22 is rotatably connected with the cup body 21, so that the locking mechanism 23 matched with the cup cover 22 is arranged close to the machine body 1, and the transmission assembly is matched with the locking mechanism 23 to unlock the cup cover 22 and the cup body 21. One end (namely the top end of the cup cover 22) of the cup cover 22 far away from the dust collection cavity 211 is matched with the locking mechanism 23, so that the distance between locking force applied by the locking mechanism 23 and the dust collection cavity 211 can be increased, the influence of the locking force on the sealing part is further reduced, the stress of the sealing part 25 in contact with the sealing part is avoided being uneven, and the sealing effect of the cup cover 22 on the dust collection cavity 211 is improved.

In addition, the inside of the cup body 21 is divided into the dust collection cavity 211 and the mounting cavity 212 by the partition plate 24, and parts such as the locking mechanism 23 on the dust collection cup 2 can be arranged in the mounting cavity 212, so that the inner wall of the dust collection cavity 211 can be prevented from having too many corners or bulges, the side wall of the dust collection cavity 211 is smooth, dead angles are reduced, dust and debris accumulation at the dead angles of the dust collection cavity 211 is avoided, and the dust collection cup is convenient for a user to pour dust and clean.

In this embodiment, when the portable handheld dust collector 100 is in normal use, the partition plate 24 is located at the front side of the dust collecting cavity 211, so that dust in the dust collecting cup 2 can be accumulated in an included angle between the partition plate 24 and the cup cover 22, and when the cup cover 22 is opened, the accumulated dust can directly fall out of the dust collecting cavity 211 and is convenient to clean.

When the cup cover 22 is locked with the cup body 21 through the locking mechanism 23, the force applied by the locking mechanism 23 to the cup cover 22 has a tendency of driving the cup cover 22 to continue rotating in the direction of closing the cup opening, in addition, the cup cover 22 can also receive the elastic force applied by the second elastic piece to the cup cover 22, the elastic force has a tendency of driving the cup cover 22 to rotate in the direction of opening the cup opening, and the elastic force can counteract the force applied by the locking mechanism 23 to the cup cover 22, so that the moment applied to the cup cover 22 is balanced, the force applied to the sealing piece 25 is beneficial to uniform force application, and the sealing effect of the dust collecting cavity 211 is improved.

In order to ensure the matching precision of the first clamping portion 231 and the second clamping portion 232 and further ensure the sealing effect of the dust cup 2, a clamping guide groove is further formed in the installation cavity 212, and the second clamping portion 232 is rotatably arranged in the clamping guide groove so as to ensure that the position of the second clamping portion 232 cannot deviate, so that the matching precision of the second clamping portion 232 and the first clamping portion 231 is improved.

As shown in fig. 14, two rib plates 213 are arranged in the installation cavity 212, the two rib plates 213 may be arranged in parallel, and may be arranged at an included angle or vertically, a clamping guide groove for installing the second clamping portion 232 is formed between the two rib plates 213, and the two rib plates 213 are respectively located at two axial ends of the rotation portion 233, so as to limit the axial position of the second clamping portion 232, thereby avoiding the position deviation of the second clamping portion 232.

Further, an abutting portion 214 is further disposed in the mounting cavity 212, and the abutting portion 214 is used for abutting against the elastic arm 235, so that the elastic arm 235 stores elastic potential energy, and a locking force is provided for the cooperation of the first clamping portion 231 and the second clamping portion 232.

EXAMPLE III

The embodiment provides a dust collecting device which is further improved on the basis of the first embodiment or the second embodiment, so that the dust collecting cup 2 can be detachably arranged on the machine body 1, the dust collecting cup 2 can be disassembled and then the dust can be poured, the dust collecting cup 2 can be cleaned more thoroughly, and the dust collecting device is more flexible to use.

As shown in fig. 16 and 17, the bottom surface of the housing is provided with a mounting groove 111, a communication opening 112 communicating with the air duct 15 is provided in the mounting groove 111, two ends of the cup body 21 along the length direction of the air duct 15 can be respectively abutted against the side walls of the mounting groove 111 to clamp the dust cup 2 in the mounting groove 111, and an inlet on the cup body 21 is communicated with the communication opening 112.

In this embodiment, an air inlet of the fan 3 is disposed on a side wall of one end of the mounting groove 111, which is far away from the air duct inlet 131, an outlet is disposed on one end of the cup body 21, which is abutted against the air inlet of the fan 3, and when the dust cup 2 is mounted in the mounting groove 111, the air inlet of the fan 3 is opposite to and communicated with the outlet of the cup body 21. When the portable handheld dust collector 100 works, external air flow enters the air duct 15 through the air duct inlet 131 and then enters the cup body 21 through the communication port 112, and the air flow after filtering impurities such as dust sequentially passes through the outlet on the cup body 21 and the air inlet of the fan 3 on the mounting groove 111, enters the inside of the fan 3 and is discharged from the air outlet 31 of the fan 3.

Through can dismantling dust cup 2 and organism 1 and be connected, can also conveniently clear up the air intake of filter component and fan 3 in the dust cup 2 to improve portable hand-held type dust extraction's clearance effect.

In order to improve the positioning effect of the dust cup 2 and the machine body 1 and facilitate the assembly of the dust cup 2 and the machine body 1, a buckle 113 is arranged in the mounting groove 111, and a clamping hole is arranged at a corresponding position on the cup. When the dust cup 2 is mounted and the cup body 21 is inserted into the mounting groove 111, the fastener 113 is engaged with the fastening hole, thereby facilitating the mounting of the cup body 21 on the air duct portion 11.

As shown in fig. 17, the catch 113 may be a protrusion structure. The buckle 113 is deformed to be inserted into the fastening hole by pressing the dust cup 2 toward the body 1 when being fitted into the fastening hole, and then fastened to the fastening hole with tight fit. In other embodiments, the latch 113 may have other structures, as long as it can be snap-fitted into the latch hole to fix the dust cup 2 to the machine body 1.

As shown in fig. 18, the dust cup 2 comprises a dismounting mechanism 7, the dismounting mechanism 7 can lock the dust cup 2 on the machine body 1, so as to avoid the separation of the dust cup 2 and the machine body 1 caused by the improper installation of the dust cup 2, and can remove the locking of the dust cup 2 and the machine body 1 when a user needs to clean the air inlet of the filter assembly and the fan 3 in the dust cup 2, thereby facilitating the cleaning after the dust cup 2 is taken down.

As shown in fig. 19, the detaching mechanism 7 includes a trigger 71, a lock member 72, a lock groove, and a third elastic member. The locking groove is arranged on the side wall of the mounting groove 111, the trigger 71 is exposed outside the dust cup 2, the locking member 72 is movably arranged in the mounting cavity 212 and connected with the trigger 71, and the third elastic member can drive the locking member 72 to move, so that one end of the locking member 72 extends out of the mounting cavity 212 and is inserted into the locking groove, thereby locking the cup body 21 and the machine body 1. When the dust cup 2 needs to be disassembled, a user can move the trigger 71 to drive the locking piece 72 to move, so that the locking piece 72 overcomes the elasticity of the third elastic piece, and then the locking piece is moved out of the locking groove, the cup body 21 and the machine body 1 are unlocked, and the user can conveniently disassemble the dust cup 2.

Through setting up dismouting mechanism 7, can avoid leading to the dust cup 2 directly to drop by organism 1 because of the assembly is not in place or user's maloperation to improve portable hand-held type dust extraction's stability.

Optionally, the third elastic member may be a spring, which is simple in structure and low in cost. The trigger 71 can be a push button, a user can move the locking piece 72 out of the locking groove by pushing the push button, the operation is convenient, the required thrust is small, and the operation hand feeling of the user is good.

In this embodiment, the locking groove is disposed on the side wall of the mounting groove 111 near the air duct inlet 131. When the user uses the portable handheld dust collector, the dust cup 2 moves toward the duct inlet 131 under the action of gravity, which is beneficial to maintaining the state that the locking piece 72 extends into the locking groove, thereby improving the locking effect of the cup body 21 and the machine body 1.

In order to prevent the trigger 71 from being shielded by the cup cover 22 and facilitate the user to detach the dust cup 2, the trigger 71 is slidably disposed in the mounting cavity 212, and an avoiding notch is disposed on the cup cover 22 corresponding to the trigger 71, so that the user can move the trigger 71 through the avoiding notch.

When the dust cup 2 is dismounted or mounted, the trigger 71 drives the locking piece 72 to extend and retract, and the extension and retraction of the locking piece 72 cannot influence the matching of the locking mechanism 23 and the cup cover 22, so that the opening of the cup cover 22 and the dismounting and mounting of the dust cup 2 are independent two actions.

In order to further avoid the mutual interference between the integral disassembly of the dust cup 2 and the automatic opening of the cup cover 22, the disassembly and assembly mechanism 7 is arranged in the middle of the cup body 21, and the two pushing parts 4222 of the push block 422 and the two locking mechanisms 23 matched with the push block 422 are symmetrically arranged on the two opposite sides of the disassembly and assembly mechanism 7, so that the disassembly and assembly mechanism 7 and the cup cover 22 are ensured to work independently without mutual interference when the opening part structure is opened.

In addition, through setting up dodge the breach, dismouting mechanism 7 does not have the atress contact with the bowl cover, can also avoid the cooperation of locking piece 72 and locking groove to lead to bowl cover 22 atress to be favorable to keeping bowl cover 22's atress balanced, avoid bowl cover 22 partial atress to concentrate the sealed effect that influences bowl cover 22 and cup 21.

In order to prevent the trigger 71 from being jammed when the locking member 72 is driven to move, a guide sleeve 215 is disposed in the mounting cavity 212, and the guide sleeve 215 is sleeved outside the trigger 71 to provide a guide function for the sliding of the trigger 71, so as to prevent the trigger 71 from being jammed and ensure the positioning accuracy of the locking member 72 and the locking groove.

Further, a guide shaft may be disposed in the guide sleeve 215, and the third elastic member may be sleeved outside the guide shaft, so as to prevent the trigger member 71 from being jammed due to the distortion of the third elastic member.

In order to avoid the trigger 71 to pop out of the mounting cavity 212 under the action of the third elastic member, the trigger 71 is further provided with a limiting portion 73, a limiting groove 216 is formed in the mounting cavity 212, the limiting portion 73 is slidably arranged in the limiting groove 216 and can abut against the side wall of the limiting groove 216, so that the trigger 71 is prevented from being separated from the mounting groove 111.

In this embodiment, by detaching the dust cup 2, on the one hand, the inside of the dust cup 2 can be conveniently cleaned, so that the cleaning in the dust cup 2 is more thorough, and on the other hand, the inlet of the fan 3 can be exposed by detaching the dust cup 2, so as to clean the dust at the inlet of the fan 3.

Example four

The present embodiment provides a dust-collecting apparatus, which is further improved based on the first embodiment, the second embodiment or the third embodiment, and the sectional area of the air duct 15 can be increased to improve the performance of the dust-collecting apparatus on the basis of the unchanged overall size of the portable handheld dust-collecting device 100.

In order to increase the cross-sectional area of the air duct 15 as much as possible to improve the performance of the dust collecting apparatus, in this embodiment, the installation position of the functional components in the machine body 1 is optimized to make the structure more compact, so that the rest of the space can be fully utilized by the air duct 15. Wherein the functional component includes, but is not limited to, a transmission assembly.

Specifically, an installation area for placing functional components is formed between the casing and the outer wall of the air duct 15, and the installation area is arranged opposite to the butt joint assembly along the length direction of the air duct 15, so that the functional components in the machine body 1 can be concentrated in a long strip area along the length direction of the air duct 15, the residual space in the casing is more regular, when the residual space is used as the air duct 15, the size of the cross section of the air duct 15 can be ensured to be unchanged as much as possible, on one hand, the space required to be avoided for the air duct 15 can be reduced, the space waste of the air duct 15 caused by an avoiding structure is avoided, and therefore, the air duct 15 is enlarged on the basis of unchanged overall size of the portable handheld dust collector 100; on the other hand, corners inside the air duct 15 can be reduced, so that stable air flow inside the air duct 15 is facilitated, and the air duct 15 is convenient to process.

Optionally, at least a portion of the transmission assembly is disposed in the mounting region to optimize the internal structural arrangement of the casing and improve the utilization of the internal space of the casing by the air duct 15.

In this embodiment, as shown in fig. 5, the flame-retardant protective sleeve, the first restoring member and the pushing portion 4222 are sequentially arranged along the length direction of the air duct 15 and face each other, and the fastening groove 133, the connecting portion 4221 and the push rod 421 of the end cover 13 are arranged along the length direction of the air duct 15 and face each other, so that the air duct 15 can fully utilize the remaining space in the housing, and the size of the air duct 15 can be increased.

For the dismouting of making things convenient for upper cover 101 and inferior valve 102, upper cover 101 is fixed through the joint with inferior valve 102, compares and adopts the fix with screw, can avoid the screw to screw up the degree difference, leads to upper cover 101 and inferior valve 102 improper installation, and then influences dust collecting equipment's performance.

Specifically, as shown in fig. 20, a first fastener 1011 is disposed at the lower end of the upper cover 101, a second fastener is disposed in the lower shell 102, and the first fastener 1011 can extend into the lower shell 102 to be engaged with the second fastener, which is beneficial to improving the engaging and fixing effect of the upper cover 101 and the lower shell 102.

Further, the bottom end of the first latch 1011 is bent toward the inside of the housing to form an arc-shaped guide structure. During the equipment casing, place upper cover 101 on inferior valve 102, press upper cover 101 back, arc guide structure will slide the butt with the inner wall of shell to in the first buckle spare 1011 of guide warp and stretch into inferior valve 102, be favorable to reducing the assembly degree of difficulty of casing, improve the chucking effect of upper cover 101 and inferior valve 102.

Optionally, one of the first latch 1011 and the second latch is provided with a latch 113, and the other is provided with a latch hole, and the upper cover 101 and the lower cover 102 are fixed by the cooperation of the latch 113 and the latch hole.

In order to improve the positioning accuracy of the first fastening member 1011 and the second fastening member, as shown in fig. 21 and 22, a first insertion portion 1012 is disposed at one end of the upper cover 101 along the length direction of the air duct 15, a second insertion portion 1021 is disposed at the lower shell 102, and the first insertion portion 1012 can be inserted into and matched with the second insertion portion 1021 along the length direction of the air duct 15, so that the first fastening member 1011 and the second fastening member are aligned.

Specifically, one end of the lower casing 102 close to the handheld portion 12 is provided with a second insertion portion 1021, the second insertion portion 1021 is an insertion block, and the first insertion portion 1012 arranged at the corresponding end of the upper cover 101 is a jack. When the housing is assembled, the upper cover 101 is obliquely arranged and slides along the length direction of the air duct 15 to the hand-held part 12, so that the plug block is inserted into the jack. After the inserting block is inserted in place, the inserting block abuts against the jack to limit the upper cover 101 to continue sliding, and at the moment, the first buckling piece 1011 is located above the second buckling piece, so that the first buckling piece 1011 and the second buckling piece are aligned. Then, by pressing the upper cover 101, the first locking member 1011 can extend into the lower shell 102 to be matched with the second locking member.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. A portable handheld dust extraction characterized by comprising:

the portable air conditioner comprises a shell, wherein one end of the shell extends to form a handheld part (12), the other end of the shell extends to form an air duct part (11), an air duct (15) is arranged in the air duct part (11), and an air duct inlet (131) communicated with the air duct (15) is formed in the air duct part (11);

the dust collecting cup (2) comprises a cup body (21) and a cup cover (22), the cup body (21) is arranged on the machine shell, the cup cover (22) is movably connected with the cup body (21), and the cup cover (22) is positioned below the air duct (15);

the release piece (41) is movably arranged on the air duct part (11) or the handheld part (12) and is positioned above the air duct (15); and

the transmission assembly is arranged between the shell and the air duct (15), one end of the transmission assembly is connected with the release piece (41), and the other end of the transmission assembly can drive the cup cover (22) to move relative to the cup body (21) so as to open the cup opening of the cup body (21).

2. The portable, handheld vacuum cleaner of claim 1, wherein the transmission assembly comprises:

the push rod (421) is arranged on the outer wall of the air duct (15) in a sliding mode, and one end of the push rod (421) is connected with the release piece (41);

the push block (422) is arranged on the outer wall of the air duct (15) in a sliding mode and extends downwards along the outer wall of the air duct (15), the top end of the push block (422) is connected with the push rod (421), the bottom end of the push block (422) extends into the cup body (21), and the cup cover (22) can be driven to move relative to the cup body (21) so as to open the cup opening of the cup body (21);

the push block (422) or the push rod (421) has a reset function;

preferably, the pushing block (422) is in an arch bridge shape, and the pushing block (422) is sleeved on the outer wall of the air duct (15);

preferably, a positioning groove (153) is arranged on the outer wall of the air duct (15), and the push block (422) is slidably arranged in the positioning groove (153);

preferably, a cover plate (14) is arranged on the air duct (15), and the cover plate (14) is arranged at an opening of the positioning groove (153) in a covering manner;

preferably, the ejector pad (422) epirelief is equipped with the connecting block, the connecting block with push rod (421) butt or be connected, be provided with spacing breach on apron (14), the connecting block slide set up in the spacing breach.

3. The portable handheld vacuum cleaner of claim 2, wherein the cover plate (14) covers the push block (422), and the routing channel is located between the cover plate (14) and the housing;

preferably, the top surface of the cover plate (14) is flush with the outer wall of the air duct (15);

preferably, a push rod guide groove (152) is formed in the outer wall of the air duct (15), and the push rod (421) is slidably arranged in the push rod guide groove (152);

a first wiring groove is formed in the outer wall of the air duct (15), and is located beside the push rod guide groove (152);

the cover plate (14) is provided with a second wiring groove, the second wiring groove is communicated with the first wiring groove, and the first wiring groove and the second wiring groove are used for containing wires.

4. The portable hand-held cleaner according to claim 3, wherein the outer wall of the air duct is curved inwardly of the air duct (15) to form the push rod guide groove (152) and the first routing groove on the outer wall of the air duct (15), respectively, and to form a first rib (154) on the inner wall of the air duct (15) at a position corresponding to the first routing groove and a second rib (155) on the inner wall of the air duct (15) at a position corresponding to the push rod guide groove (152).

5. The portable handheld dust exhaust apparatus according to any one of claims 1 to 4, wherein the dust cup (2) further comprises a locking mechanism (23), the locking mechanism (23) can lock the lid (22) and the cup body (21) to close the cup opening of the cup body (21), and the transmission assembly can drive the locking mechanism (23) to move to unlock the lid (22) and the cup body (21).

6. Portable handheld vacuum cleaner according to claim 5, characterized in that the locking mechanism (23) comprises:

the first clamping part (231) is arranged on the cup cover (22);

a rotating part (233) provided in the cup body (21);

the second clamping portion (232) is rotatably connected with the rotating portion (233), and the second clamping portion (232) can be clamped with the first clamping portion (231) to lock the cup cover (22) and the cup body (21);

a force receiving portion (234) connected to the second snap-in portion (232), the force receiving portion (234) being capable of abutting against an output end of the transmission assembly; and

the first elastic piece can drive the second clamping part (232) to rotate towards the direction of being clamped with the first clamping part (231);

the transmission assembly can drive the stress part (234) to drive the second clamping part (232) to rotate towards the direction of separating from the first clamping part (231) so as to unlock the cup cover (22) and the cup body (21);

preferably, when the cup cover (22) closes the cup opening of the cup body (21), a gap H is formed between the output end of the transmission assembly and the locking mechanism (23);

preferably, the force-receiving portion (234) and the second clamping portion (232) both extend along the radial direction of the rotating portion (233), and the length of the force-receiving portion (234) along the radial direction of the rotating portion (233) is smaller than the length of the second clamping portion (232) along the radial direction of the rotating portion (233).

7. Portable, handheld vacuum cleaner as claimed in any one of claims 1-4, characterized in that the dust cup (2) is detachably connected to the housing.

8. The portable handheld vacuum device of claim 7, further comprising:

a dismounting mechanism (7), the dismounting mechanism (7) being capable of locking the dirt cup (2) with the chassis and of unlocking the dirt cup (2) with the chassis;

preferably, the disassembling and assembling mechanism (7) comprises:

the locking groove is arranged on the shell;

a locking piece (72) movably arranged in the dust collecting cup (2);

the third elastic piece is connected with the locking piece (72), and can drive the locking piece (72) to extend out of the dust collection cup (2) and extend into the locking groove; and

the trigger piece (71) is connected with the locking piece (72) and is exposed out of the dust collection cup (2), and the trigger piece can drive the locking piece (72) to retract into the dust collection cup (2).

9. The portable handheld vacuum cleaner of claim 8, wherein the locking member (72) is slidably disposed at the cup opening, an escape notch is disposed on the cup cover (22), and the triggering member (71) is disposed in the escape notch;

preferably, the bottom of the housing is provided with a mounting groove (111), the dust cup (2) is clamped in the mounting groove (111), and the locking groove is arranged on the side wall of the mounting groove (111);

preferably, the transmission assembly comprises two output ends which are oppositely arranged, and the two output ends of the transmission assembly are symmetrically arranged on two sides of the disassembling and assembling mechanism (7).

10. A vacuum cleaning apparatus comprising a sweeper head, characterized in that it further comprises a portable hand-held vacuum cleaner as claimed in any one of claims 1-9, said sweeper head being detachably connected to said air channel portion (11).