WO2022011971A1

WO2022011971A1 - Handheld dust collection apparatus and dust collection device

Info

Publication number: WO2022011971A1
Application number: PCT/CN2020/138002
Authority: WO
Inventors: 倪祖根
Original assignee: 莱克电气股份有限公司
Priority date: 2020-07-15
Filing date: 2020-12-21
Publication date: 2022-01-20
Also published as: CN113940582B; CN113940582A

Abstract

A handheld dust collection apparatus (100) and a dust collection device. The handheld dust collection apparatus (100) comprises: a housing, one end of which extends to form a handheld portion (12) and the other end extends to form an air channel portion (11), wherein the air channel portion (11) is provided with an air channel (15) therein, and a fan (3) and an air channel inlet (131) in communication with the air channel (15) are arranged on the air channel portion (11); a dust collection cup (2), which comprises a cup body (21) and a cup cover (22), wherein the cup body (21) is arranged on the housing, the cup cover (22) is movably connected to the cup body (21), and before being discharged from an air outlet (31) of the fan (3), airflow can be driven by the fan (3) to sequentially pass through the air channel inlet (131), the air channel (15) and the dust collection cup (2); a releasing member (41), which is movably arranged on the housing; and a transmission assembly, which is arranged between the housing and the air channel (15), wherein one end of the transmission assembly is connected to the releasing member (41), and the other end can drive the cup cover (22) to move relative to the cup body (21) so as to open the opening of the cup body (21). When dust in the cup body (21) needs to be cleaned, a user can get rid of the dust with one hand.

Description

A hand-held vacuum cleaner and vacuum cleaner

technical field

The invention relates to the technical field of household appliances, in particular to a handheld dust collector and dust collector.

Background technique

Handheld vacuum cleaners are widely used because of their compact size and ease of use. The handheld vacuum cleaner includes a body and a dust collection cup. When in use, the handheld cleaner uses the principle of vacuum adsorption to suck dust and other impurities at the cleaning position into the dust collection cup for filtering, so as to achieve the purpose of cleaning.

In the existing hand-held vacuum cleaners, cleaning the dust in the dust collecting cup generally requires two-hand operation for dumping, which is inconvenient to operate.

SUMMARY OF THE INVENTION

One object of the present invention is to provide a hand-held dust collector, which can realize one-handed ash pouring operation and is convenient to use.

For this purpose, the present invention adopts the following technical solutions:

A hand-held vacuum cleaner, comprising:

A casing, one end of the casing extends to form a hand-held portion, and the other end extends to form an air duct portion, an air duct is arranged in the air duct portion, and a fan and a fan connected to the air duct are arranged on the air duct portion. road entrance;

A dust collecting cup, the dust collecting cup includes a cup body and a cup cover, the cup body is arranged on the casing, the cup cover is movably connected with the cup body, and the fan can drive the airflow to pass through the The air duct inlet, the air duct and the dust cup are discharged from the air outlet of the fan;

a release member, movably disposed on the casing; and

A transmission assembly is arranged between the casing and the air duct, one end is connected with the release member, and the other end can drive the cup cover to move relative to the cup body to open the cup mouth of the cup body.

Wherein, the dust collecting cup is detachably connected with the casing.

Wherein, the hand-held vacuum cleaner also includes:

A disassembly and assembly mechanism, which can lock the dust collecting cup and the casing, and can unlock the dust collecting cup and the casing.

Wherein, the disassembly mechanism includes:

a locking slot, arranged on the casing;

a locking piece, which is movably arranged in the dust cup;

a third elastic member connected to the locking member, the third elastic member can drive the locking member to extend out of the dust cup and into the locking groove; and

A trigger is connected with the locking piece and is exposed outside the dust collecting cup, and the triggering piece can drive the locking piece to retract into the dust collecting cup.

Wherein, the locking piece is slidably arranged at the mouth of the cup, an avoidance notch is arranged on the cup cover, and the trigger element is arranged in the avoidance notch.

Wherein, the bottom of the casing is provided with an installation groove, the dust collecting cup is clamped in the installation groove, and the locking groove is provided on the side wall of the installation groove.

Wherein, the transmission assembly includes two oppositely arranged output ends, and the two output ends of the transmission assembly are symmetrically arranged on both sides of the disassembly mechanism.

Wherein, the transmission assembly includes:

a push rod, which is slidably arranged on the outer wall of the air duct, and one end of the push rod is connected to the release member;

A push block is slidably arranged on the outer wall of the air duct and extends downward along the outer wall of the air duct, the top end of the push block is connected to the push rod, and the bottom end of the push block extends into the cup inside the body, and can drive the cup cover to move relative to the cup body to open the mouth of the cup body;

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

Wherein, the push block is in the shape of an arch bridge, and the push block is sleeved on the outer wall of the air duct.

Wherein, a cover plate is arranged between the air duct and the casing, the cover plate covers at least part of the transmission assembly, and the wiring channel is located between the cover plate and the casing.

Wherein, the cover plate is connected with the outer wall of the air duct and is covered outside the push block.

Wherein, the outer wall of the air duct is provided with a positioning groove, the push block is slidably arranged in the positioning groove, and the top surface of the cover plate is flush with the outer wall of the air duct.

Wherein, the outer wall of the air duct and/or the cover plate is provided with a wire routing slot for accommodating wires.

Wherein, the dust collecting cup further includes a locking mechanism, the locking mechanism can lock the lid and the cup body 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 includes:

the first clamping part is arranged on the cup cover;

a rotating part, arranged in the cup body;

a second latching portion is rotatably connected with the rotating portion, and the second latching portion can be latched with the first latching portion to lock the cup cover and the cup body;

a force-receiving part connected to the second clamping part, and the force-receiving part can abut against the output end of the transmission assembly; and

a first elastic member capable of driving the second engaging portion to rotate in the direction of being clamped with the first engaging portion;

The transmission assembly can drive the force-receiving part to drive the second latching part to rotate in a direction of disengaging from the first latching part, so as to unlock the cup cover and the cup body.

Wherein, the cup body is divided into a dust collecting cavity and an installation cavity, and the locking mechanism is arranged in the installation cavity.

Wherein, one end of the cup cover away from the dust collecting chamber is matched with the locking mechanism.

Wherein, the two opposite sides of the installation cavity are respectively provided with one of the locking mechanisms.

Wherein, one end of the cup cover is rotatably connected with the cup body, the opposite end of the cup cover is matched with the locking mechanism, and a second elastic member is arranged between the cup cover and the cup body, The second elastic member can drive the cup cover to rotate in the direction of opening the cup opening of the cup body.

Wherein, when the cup lid closes the cup mouth of the cup body, a gap H is set between the output end of the transmission assembly and the locking mechanism.

Wherein, both the force-receiving portion and the second engaging portion extend along the radial direction of the rotating portion, and the length of the force-receiving portion along the radial direction of the rotating portion is smaller than the length of the second engaging portion along the radial direction of the rotating portion. The radial length of the rotating part.

Another object of the present invention is to provide a vacuuming device, which can select a use state according to needs, and the hand-held vacuuming device can realize a one-handed dust-pumping operation, which is convenient to use.

A dust collector includes a cleaning head and the above-mentioned handheld dust collector, wherein the cleaning head is detachably connected to the air duct part.

Beneficial effects: The present invention provides a handheld dust collector and dust collector. In the hand-held vacuum cleaner, when the user needs to clean the dust in the cup body, the user can hold the hand-held part with one hand and move the release member with the fingers of the same hand (for example, the thumb or the index finger) to open the cup body, so as to open the cup body. Achieving the one-handed ash pouring operation is beneficial to improve the user experience.

Description of drawings

Fig. 1 is the structural schematic diagram of the dust collector provided by the present invention;

2 is a schematic structural diagram 1 of the hand-held vacuum cleaner provided by the present invention;

3 is a second structural schematic diagram of the hand-held vacuum cleaner provided by the present invention;

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

5 is a first structural schematic diagram of a part of the structure of the hand-held vacuum cleaner provided by the present invention when the upper cover is not assembled;

6 is a schematic structural diagram of the opening mechanism provided by the present invention when it cooperates with the locking mechanism;

7 is a schematic structural diagram of a part of a side wall of an air duct provided by the present invention;

8 is a schematic structural diagram of the place where the locking mechanism provided by the present invention and the dust collecting cup cooperate;

9 is a side view of the partial structure of the locking mechanism and the opening mechanism provided by the present invention;

10 is a front view of the hand-held vacuum cleaner provided by the present invention without a dust cup;

11 is a schematic structural diagram of a partial structure of a body provided by the present invention;

Fig. 12 is the third structural schematic diagram of the hand-held vacuum cleaner provided by the present invention;

Figure 13 is a cross-sectional view of the cup provided by the present invention;

14 is a second structural schematic diagram of the partial structure of the hand-held vacuum cleaner provided by the present invention when the upper cover is not assembled;

Figure 15 is a top view of the structure shown in Figure 14;

FIG. 16 is a schematic structural diagram of the structure shown in FIG. 7 at another angle;

17 is a schematic structural diagram of a part of the structure of the hand-held vacuum cleaner provided by the present invention when the cup cover is not assembled;

18 is a schematic structural diagram of a cup body provided by the present invention;

19 is a schematic structural diagram 1 of a partial structure of the dust cup provided by the present invention;

Figure 20 is an exploded view of the hand-held part provided by the present invention;

Figure 21 is a partial enlarged view at A in Figure 20;

FIG. 22 is a partial enlarged view of B in FIG. 20 .

in:

100. Hand-held vacuum cleaner; 210. Floor brush head; 220. Crevice cleaning head;

1. Body; 11. Air duct; 111. Installation slot; 112. Connecting port; 113. Buckle; 12. Hand-held part; 13. End cover; 131. Air duct inlet; 132. Docking hole; 133. Clip Slot; 14, cover plate; 15, air duct; 151, wiring slot; 1511, crimping block; 152, push rod guide slot; 153, positioning slot; 154, first ridge; 155, second ridge;

101, the upper cover; 1011, the first clip; 1012, the first plug part; 102, the lower shell; 1021, the second plug part;

2. Dust collecting cup; 21. Cup body; 211. Dust collecting cavity; 212. Installation cavity; 213. Rib plate; 214. Abutting part; 215. Guide sleeve; 231, the first clamping part; 232, the second clamping part; 233, the rotating part; 234, the force receiving part; 235, the elastic arm; 24, the partition plate; 25, the seal;

3. Fan; 31. Air outlet;

4. Opening mechanism; 41. Release part; 421, push rod; 422, push block; 4221, connection part; 4222, push part;

5. Power supply;

6. Conductive mechanism;

7. Disassembly and assembly mechanism; 71. Trigger; 72. Locking part; 73. Limiting part.

detailed description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present 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. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance. Therein, the terms "first position" and "second position" are two different positions.

Unless otherwise expressly specified and limited, the terms "installed", "connected", "connected" and "fixed" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection; it may be a mechanical connection, or a It can be an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be an internal connection between two elements or an interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first feature and the second feature in direct contact, or may include the first feature and the second feature not in direct contact Rather, they are contacted by additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

The technical solutions of the present invention are further described below with reference to the accompanying drawings and through specific embodiments.

Example 1

As shown in FIG. 1 , this embodiment provides a vacuum cleaner, which includes a handheld vacuum cleaner 100 and a cleaning head, and the cleaning head is detachably connected to the handheld vacuum cleaner 100 . When using the vacuum cleaner, the user can choose to use the handheld vacuum cleaner 100 alone or use the handheld vacuum cleaner 100 in conjunction with the cleaning head according to the actual needs of the location to be cleaned.

Further, the vacuum cleaner includes at least two cleaning heads, so as to increase the usage scenarios of the vacuum cleaner. Specifically, in this embodiment, the at least two cleaning heads include, but are not limited to, a floor brushing head 210 and a gap cleaning head 220 .

When the ground brush head 210 is used in conjunction with the handheld vacuum cleaner 100, the user drives the ground brush suction head to slide along the ground through the handheld vacuum cleaner 100 to clean the ground.

The crevice cleaning head 220 has an end with a flat structure. When the crevice cleaning head 220 is used with the handheld vacuum cleaner 100, the user can drive the crevice cleaning head 220 to a narrower position by holding the handheld vacuum cleaner 100. Move, for example in corners or inside cars, to clean tighter spots.

It should be noted that both the floor brushing head 210 and the gap cleaning head 220 may adopt the structure in the prior art, which will not be described in detail in this embodiment.

Optionally, the crevice cleaning head 220 may be detachably connected to the handheld vacuum cleaner 100 . When the floor brush head 210 cooperates with the hand-held vacuum cleaner 100, the crevice cleaning head 220 can be installed on the hand-held vacuum cleaner 100 to avoid the crevice cleaning head 220 being lost due to being placed alone.

Optionally, the vacuuming device may further include a bracket, and both the handheld vacuum cleaner 100 and the crevice cleaning head 200 may be mounted on the bracket.

The bracket is provided with a charging socket. When the handheld vacuum cleaner 100 is installed on the bracket, the charging socket and the handheld vacuum cleaner 100 can cooperate with the charging port and the charging plug to charge the handheld vacuum cleaner 100 .

In this embodiment, as shown in FIGS. 2 and 3 , the handheld dust collector 100 includes a body 1 , a dust collecting cup 2 and a fan 3 , and both the dust collecting cup 2 and the fan 3 are arranged on the body 1 . The body 1 includes a casing. One end of the casing extends to form a hand-held portion 12 , and the other end extends to form an air duct portion 11 . The end of the air duct portion 11 is provided with an air duct inlet 131 . The air duct 15 (see FIG. 14 ) is connected, and the air duct 15 , the dust collecting cup 2 and the fan 3 are connected in sequence. The end of the body 1 away from the hand-held part 12 is detachably connected with the cleaning head.

When using the hand-held vacuum cleaner 100, the user drives the air duct portion 11 to move by holding the hand-held portion 12, so that the air duct inlet 131 moves along the position to be cleaned. Under the action of the fan 3, a negative pressure is formed inside the dust cup 2, and the dust and other impurities at the position to be cleaned will enter the dust cup 2 through the air duct inlet 131 and the air duct 15 in turn under the action of the negative pressure, and pass through the air duct 131 and the air duct 15. The filter assembly in the dust collecting cup 2 filters the impurities, the impurities are accumulated in the dust collecting cup 2 , and the filtered airflow is discharged through the air outlet 31 of the fan 3 .

In this embodiment, the filter assembly includes a filter screen and a Hypa. The airflow entering the dust collecting cup 2 is firstly filtered by the filter screen, and then the secondary filter is performed by the Hypa to improve the filtering effect. The secondary filtration through Hypa can filter 99% of the fine particles in the air, so that the air passing through the dust collecting cup 2 enters the fan 3 after being purified to reduce secondary pollution.

In order to facilitate the dumping of dust and other impurities in the dust collecting cup 2, the dust collecting cup 2 includes a cup body 21 and a cup cover 22. The cup body 21 is installed on the casing, and the cup cover 22 is movably connected with the cup body 21 so as to be opened or closed as required. The cup opening of the cup body 21 is closed, and the cup body 21 is connected to the air inlet of the fan 3 through the filter assembly, so as to filter the dust in the airflow.

In order to facilitate the user's operation, when the user normally holds the hand-held part 12, the air duct 15 is located on the upper part of the body 1, and the control keys for controlling the start and stop of the hand-held vacuum cleaner 100 or other working parameters are arranged on the air duct part 11, Therefore, it is convenient for the user to trigger the control key when holding the hand-held portion 12 with one hand, so as to adjust the working state of the hand-held vacuum cleaner.

In other embodiments, the control keys can also be arranged on the hand-held part 12 .

In order to prevent the user from turning over the hand-held vacuum cleaner 100 after opening the mouth of the cup body 21 so that the mouth of the cup body 21 faces downward, in this embodiment, the cup cover 22 is located below the air duct 15, that is, the When the user normally holds the hand-held portion 12, the mouth of the cup body 21 is located at the bottom of the body 1. After opening the lid 22, the mouth of the cup has been set downward, and the dust in the cup body 21 can be automatically removed by gravity under the action of gravity. The mouth of the cup is poured, and the user does not need to turn to adjust the angle of the mouth of the cup, which is more convenient to use.

In this embodiment, one end of the cup cover 22 is rotatably connected with the cup body 21 , and the other end can be locked with the cup body 21 by the locking mechanism 23 . By arranging the locking mechanism 23, when the handheld vacuum cleaner 100 is in normal use, the mouth of the cup can be kept in a closed state to prevent dust from spilling out.

When the existing hand-held vacuum cleaner cleans dust and other impurities, the user needs to hold the hand-held part with one hand and open the lid of the cup with the other hand, which makes it inconvenient to pour dust with both hands. In order to make the ash dumping operation more convenient, in this embodiment, the handheld vacuum cleaner 100 can realize one-key dumping of ash. Specifically, the handheld vacuum cleaner 100 further includes an opening mechanism 4 for opening the cup body 21 . The opening mechanism 4 includes a release member 41 and a transmission assembly. The release member 41 is movably arranged on the casing, and the transmission assembly is arranged between the casing and the air duct 15. One end of the transmission assembly is connected to the release member 41, and the other end can be matched with the cup cover 22. , so that through the movement of the release member 41 , the cup cover 22 is driven to move relative to the cup body 21 , thereby opening the cup mouth of the cup body 21 .

By setting the opening mechanism 4 , the opening process of the cup opening of the cup body 21 can be simplified, and the user only needs to move the release member 41 , and the operation is more convenient.

As shown in FIG. 2 , the release member 41 is located above the air duct 15 , and the cup cover 22 is located below the air duct 15 . When the user needs to clean the dust in the cup body 21, while holding the hand-held part 12 with one hand, the release member 41 can be moved by the fingers of the same hand (such as the thumb or index finger) to open the cup mouth of the cup body 21, so as to open the cup body 21. Realize one-handed ash pouring operation. The release part 41 is located above the air duct 1, which is convenient for the user to operate the trigger release part 41 with one hand. Bottom, one-handed operation is more convenient. The cup cover 22 is located below the air duct 15, and there is no need to adjust the ash pouring angle after opening the cup opening, which is convenient to use and helps improve the user experience.

In this embodiment, the release member 41 may be located on the air duct portion 11 and at an end close to the handle portion 12 . On the one hand, the release member 41 is disposed on the air duct portion 11, which can prevent the user from touching the release member 41 when holding the hand-held portion 12, which can improve the user's tactile feeling and avoid mistakenly touching the release member 41; on the other hand, the release member 41 is close to the hand-held part 12, which is convenient for the user to hold the hand-held part 12 with one hand, and trigger the release part 41 to move and open the cup body 21 through the fingers of the same hand (such as the thumb or index finger), so as to realize the one-handed ash pouring operation, It is convenient to use and is beneficial to improve the user experience.

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

In other embodiments, the release member 41 can also be a button or a knob, which can be convenient for the user to operate.

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

As shown in FIGS. 2 and 3 , in order to further facilitate the user to clean dust and other impurities in the dust collecting cup 2, the cup body 21 is provided with an opening at one end away from the handle portion 12, that is, the cup mouth is set close to the air duct inlet 131, and the cup The bottom end of the cover 22 is rotatably connected with the cup body 21 . The user holds the hand-held part 12 when pouring ash, and the air duct inlet 131 is naturally set downward. At this time, after the opening of the cup body 21 is opened by the release member 41, the cup lid 22 will not be located directly below the cup mouth, and the cup body The dust and other impurities in the 21 will be poured out through the mouth of the cup body 21 under the action of gravity, and there is no need for the user to adjust the orientation of the mouth of the cup body 21, thereby further simplifying the ash pouring operation.

Taking the air duct inlet 131 located at the front end of the body 1 as an example, the cup body 21 is located at the bottom of the body 1, the cup mouth of the cup body 21 is inclined, and the cup mouth extends backward from the top of the front end of the cup body 21 to the bottom of the cup body 21. . Setting the cup mouth in the above way can increase the size of the cup mouth and facilitate dust dumping on the one hand; The cup cover 22 enters into the cup body 21 under the guidance of the cup cover 22, which is beneficial to maintain the stability of the airflow.

Exemplarily, the cup cover 22 and the cup body 21 can be rotatably connected through a rotating shaft, and the rotating shaft can be located at approximately 1/2 of the length of the cup body 21, so as to increase the opening of the cup and ensure that the The dust cup 2 has a certain dust collection space to avoid the dust collection space being too small.

Preferably, the dust collecting cup 2 is arranged at the bottom of the casing. On the one hand, it can prevent the dust collecting cup 2 from blocking the line of sight, which is beneficial for the user to observe the cleaning situation of the position to be cleaned; Appearance clean.

As shown in FIG. 4 , in order to facilitate the assembly of various structures of the machine body 1, the case includes an upper cover 101 and a lower case 102, and the upper cover 101 and the lower case 102 are detachably connected to install or maintain various structures in the case. The outer casing of the fan 3 can be integrated with the lower casing 102 to reduce the number of parts and facilitate assembly.

In this embodiment, as shown in FIG. 5 and FIG. 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, and the other end is connected to the push block 422. The push block 422 can be opposed to the wind. The channel 15 slides, thereby driving the lid 22 to move. The push rod 421 is arranged on the top of the air duct 15 and extends along the flow direction of the gas in the air duct 15 , so as to transmit the movement of the release member 41 to the direction of the cup cover 22 . The push block 422 extends downward from the top of the air duct 15 along the outer wall of the air duct 15. On the one hand, it can prevent the push block 422 from occupying the inner space of the air duct 15 and ensure the gas flow during vacuum adsorption; 15 is transmitted from the top to the bottom, 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 can be in the shape of an arch bridge, so that the push block 422 can be sleeved on the air duct 15. The gap between the shell and the air duct 15 is used as an installation space, so as to prevent the push block 422 from directly passing through the air duct 15 to reduce the internal space of the air duct 15; The outer wall of the channel 15 plays a guiding role in the movement of the push block 422 , so that the push block 422 moves more stably.

Further, as shown in FIG. 7 , the outer wall of the air duct 15 is provided with a positioning groove 153 , and the push block 422 is slidably arranged in the positioning groove 153 . On the one hand, the positioning groove 153 can limit the sliding limit of the push block 422 relative to the air duct 15 The position, on the other hand, is beneficial to reduce the distance between the air duct 15 and the casing, so as to control the overall size of the handheld vacuum cleaner 100 .

In order to prevent the push block 422 from separating from the air duct 15 along the radial direction of the air duct 15 , a cover plate 14 (refer to FIG. 5 ) is provided on the outer wall of the air duct 15 . The block 422 is clamped between the cover plate 14 and the outer wall of the air duct 15 to realize the positioning of the push block 422 along the radial direction of the air duct 15 .

In addition, the cover plate 14 can also prevent the push block 422 from being partially lifted during the sliding process, which is beneficial to improve the stability of the movement of the push block 422 .

In order to reduce the space occupied by the push rod 421 inside the casing, and to prevent the push rod 421 from interfering with the wires, the diameter of the push rod 421 is small. In order to ensure the stability of the transmission between the push rod 421 and the push block 422, the push block 422 is protruded with a connecting block, and the connecting block is connected or abutted with the push rod 421, so as to drive the movement of the push block 422 through the movement of the push rod 421. , which is beneficial to improve the stability of the movement of the push block 422 .

In order to prevent the push block 422 from rotating relative to the air duct 15 in the circumferential direction, the cover plate 14 is provided with a limit gap, and the connecting block can be slidably arranged in the limit gap. Circumferential positioning makes the movement of the push block 422 more stable.

Further, the outer wall of the air duct 15 is also provided with a push rod guide groove 152, the push rod 421 can be slidably arranged in the push rod guide groove 152, and the push rod guide groove 152 guides the sliding direction of the push rod 421 to avoid the push rod 421. Stuck during movement.

In order to make the force of the push block 422 more uniform, the push block 422 includes a connecting portion 4221 and two opposing push portions 4222 . The connecting portion 4221 is slidably arranged on the top of the air duct 15 , and the connecting block is arranged on the connecting portion 4221 to connect with the push rod 421 ; the opposite sides of the connecting portion 4221 are symmetrically provided with pushing portions 4222 , and the pushing portions 4222 are slidably arranged on the air duct 15 . The end of each push portion 4222 can cooperate with the locking mechanism 23 to unlock the cup cover 22 and the cup body 21 . In this embodiment, the push rod 421 is connected with the connecting block in the middle of the connecting portion 4221 , and the pushing portions 4222 symmetrically arranged on both sides can cooperate with the locking mechanism 23 , which can improve the uniformity of the force on the push block 422 and make the push block 422 more uniform. The 422 slides more smoothly.

Further, the opening assembly further includes a first reset member, and the first reset member can drive the release member 41 to automatically reset after the user releases the release member 41 . In this embodiment, the first reset member may be a spring, which has a simple structure, low cost and convenient installation.

Specifically, each pushing portion 4222 is provided with a corresponding first restoring member, and the first restoring members corresponding to the two pushing portions 4222 are symmetrically arranged. One end of the first reset member abuts or connects with the pushing portion 4222 , and the other end abuts or connects with the outer wall of the casing or the air duct 15 .

When the user pushes the release member 41, the release member 41 applies a pushing force to the push block 422 through the push rod 421, and the push block 422 will overcome the elastic force of the first reset member to slide. The function of the block 422 prevents the push block 422 from contacting the locking mechanism 23 to generate a large impulse; on the other hand, the symmetrically arranged first reset member can also prevent the push block 422 from deflecting, thereby preventing the push block 422 from being stuck during the sliding process. .

After the user releases the release member 41, the first reset member is reset by driving the push portion 4222, and the push block 422, the push rod 421 and the release member 41 are reset in sequence, so that the user can directly put the cup cover 22 and the cup cover 22 after the ash is poured. The cup body 21 is locked, and there is no need to manually drive the release member 41 to reset, which simplifies the user's operation.

In order to prevent the first reset member from being bent during the deformation process, the air duct 15 and/or the push portion 4222 are provided with reset installation posts, and the first reset member can be sleeved outside the installation post to prevent the push block 422 from being reset due to the first reset. Pieces are bent and stuck.

In other embodiments, the first reset member can also be set outside the push rod 421, and by pushing the push rod 421 to reset, the push block 422 and the release member 41 are driven to reset.

In order to improve the aesthetics of the handheld vacuum cleaner 100, in this embodiment, the locking mechanism 23 is arranged in the cup body 21, and the bottom end of the push block 422 can extend into the cup body 21 through the through hole on the casing, Therefore, it cooperates with the locking mechanism 23 to complete the unlocking of 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 engaging portion 231 is disposed on the cup cover 22, the rotating portion 233 is fixedly disposed in the cup body 21, the second engaging portion 232 is rotatably connected with the rotating portion 233, and the first engaging portion 231 can be connected with the second engaging portion 232, so that the cup cover 22 is located at the position that closes the opening on the cup body 21, and the cup body 21 and the cup cover 22 are locked; The rotating part 233 rotates synchronously, and the force receiving part 234 is used to cooperate with the push block 422; the first elastic member elastically connects the second clamping part 232 and the cup body 21, and the first elastic member can drive the second clamping part 232 to the The first clamping portion 231 rotates in the clamping direction. By arranging the first elastic member, on the one hand, the second snap portion 232 can be prevented from being disengaged from the first snap portion 231, and the locking effect of the cup body 21 and the cup lid 22 can be improved; on the other hand, the cup lid 22 can be improved. The sealing effect with the cup body 21 prevents the dust in the cup body 21 from leaking out. The rotating portion 233 can be a rotating shaft, and both ends of the rotating shaft are fixedly connected to the inner wall of the cup body 21 respectively.

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

In this embodiment, the first engaging portion 231 and the second engaging portion 232 are both hook structures. When the handheld vacuum cleaner 100 is in normal use, the user can press the cup cover 22 down on the cup body 21 to hook the first engaging portion 231 and the second engaging portion 232, and under the action of the first elastic member Locking, simple structure, convenient locking and reliable sealing effect.

When the dust in the dust cup needs to be cleaned, the user pushes the release member 41 to sequentially drive the push rod 421 and the push block 422 to move, and the push block 422 will push the force receiving portion 234 to drive the second engaging portion 232 relative to the rotating portion 233 Rotate, thereby driving the second engaging portion 232 to disengage from the first engaging portion 231, and the cup cover 22 and the cup body 21 are in contact and locked, which facilitates cleaning of dust.

In other embodiments, the first engaging portion 231 may be an elastic structure, such as an elastic hook, and the elastic force of the first engaging portion 231 can keep the first engaging portion 231 and the second engaging portion 232 locked. tight state. The push block 422 can cooperate with the first engaging portion 231 to unlock the cup cover 22 and the cup body 21 . Correspondingly, the second engaging portion 232 can be fixedly arranged in the cup body 21 , and the locking mechanism 23 does not need to be provided with a force. The part 234 and the rotating part 233 are beneficial to simplify the structure.

In order to enable the cup cover 22 to automatically bounce relative to the cup body 21 in the unlocked state and maintain the unlocked state, the dust collecting cup 2 further includes a second elastic member, which can drive the cup cover 22 to open the cup body relative to the cup body 21. 21 is rotated in the direction of the cup mouth, so that after the cup cover 22 and the cup body 21 are unlocked, they can be automatically opened under the action of the second elastic member, and the user does not need to manually rotate the cup cover 22 or hold the cup cover 22 to hold the cup. The state of the cover 22 makes the dust cleaning operation easier.

Optionally, the second elastic member may be a second torsion spring, the second torsion spring is sleeved on the rotating shaft connecting the cup cover 22 and the cup body 21 , and the two ends of the second torsion spring abut the cup body 21 and the cup cover 22 respectively , in order to drive the cup cover 22 to rotate relative to the cup body 21 , the structure of the torsion spring is simple and the cost is low, which is beneficial to control the cost of the handheld vacuum cleaner 100 .

In this embodiment, each pushing portion 4222 is correspondingly provided with a second engaging portion 232 , and each second engaging portion 232 is correspondingly provided with a first engaging portion 231 matched with it. The first engaging portion 231 is located in the The opposite sides of the same end of the cup cover 22 are beneficial to balance the force of the cup cover 22 when it is locked with the cup body 21, so as to avoid the stress concentration of the cup cover 22 due to the uneven force, so that the cup cover 22 and the cup body can be improved. The sealing effect between 21.

Optionally, the first elastic member may be a first torsion spring, and the first torsion spring is sleeved outside the rotating shaft. The first elastic member can also be an elastic arm 235, one end of the elastic arm 235 is connected with the rotating part 233, and the other end can abut with the inner wall of the cup body 21 when the cup lid 22 closes the cup mouth of the cup body 21, so that the elastic arm The deformation of the 235 stores elastic potential energy, and can also provide a locking force for the cooperation of the first snap portion 231 and the second snap portion 232 .

In this embodiment, the first elastic member is preferably the elastic arm 235 . Due to the larger volume of the torsion spring, compared with the solution using the torsion spring, the first elastic member is the elastic arm 235 , which can save installation space and increase the size of the cup body 21 . The dust collection space is large, which reduces the frequency of the user cleaning the dust cup, which is beneficial to improve the user experience.

Optionally, the second engaging 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.

Since the casing is provided with various control keys, including but not limited to the power switch and the speed control button, in order to prevent the user from accidentally touching the release member 41 when using the hand-held vacuum cleaner, the cup cover 22 will be rotated by mistake. When the cup mouth is opened, when the cup cover 22 closes the cup body 21, a gap H is set between the output end of the transmission assembly and the locking mechanism.

Specifically, as shown in FIG. 9 , when the release member 41 is not subjected to external force, the push block 422 is located at the initial position under the action of the first reset member, and a gap H is set between the push block 422 and the force receiving portion 234 .

When the user accidentally touches the release member 41 and drives the push block 422 to move, when the moving distance of the push block 422 is less than the gap H, the push block 422 does not contact the force-receiving portion 234 to ensure that the cup mouth on the cup body 21 is in a closed state, thereby To avoid the problem that the user accidentally touches the release member 41 to open the cup opening or the cup lid 22 and the cup body 21 are not properly sealed.

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 control button and the release member 41 can also be set to specific positions according to the frequency of use, so that the control keys with high frequency of use are relatively close to the hand-held part 12 to facilitate the operation of the user, correspondingly. , the control keys that are used infrequently are relatively far away from the hand-held part 12 , so as to prevent the user from accidentally touching them during the operation.

Exemplarily, the power switch, the speed control button and the release member 41 can be arranged on the casing from top to bottom to avoid accidental touch by the user.

In order to further facilitate the user to open the cup opening by pushing the release member 41, both the force-receiving portion 234 and the second engaging portion 232 extend along the radial direction of the rotating shaft, and the length N of the force-receiving portion 234 along the radial direction of the rotating portion 233 is smaller than the second The length M of the engaging portion 232 along the radial direction of the rotating portion 233 is such that when the rotating portion 233 rotates at a certain angle, the rotation trajectory of the end of the force-receiving portion 234 is shorter, and the rotation trajectory of the end of the second engaging portion 232 longer, so that when the release member 41 moves a short distance, the first engaging portion 231 and the second engaging portion 232 can be disengaged to open the cup opening.

When the user opens the cup opening, the distance that the user needs to push the release member 41 to move is short, which is convenient for the user to operate with one hand.

In this embodiment, the dust collecting cup 2 is detachably installed on the body 1, so that the dust collecting cup 2 can be removed and then ash pouring can be performed, so that the cleaning of the dust collecting cup 2 is more thorough and the use is more flexible.

As shown in FIG. 10 and FIG. 11 , the bottom surface of the casing is provided with an installation groove 111 , and a communication port 112 connected to the air duct 15 is arranged in the installation groove 111 . The two ends of the cup body 21 along the length direction of the air duct 15 can be connected with The side walls of the installation groove 111 are in contact with each other to snap the dust collecting cup 2 into the installation groove 111 , and the inlet on the cup body 21 communicates with the communication port 112 .

In this embodiment, the side wall of one end of the installation groove 111 away from the air duct inlet 131 is provided with the air inlet of the fan 3, the end of the cup body 21 abutting against the air inlet of the fan 3 is provided with an outlet, and the dust collecting cup 2 is installed on the When installed in the groove 111 , the air inlet of the fan 3 is directly opposite and communicated with the outlet of the cup body 21 . When the handheld vacuum cleaner 100 is in operation, the 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 dust and other impurities sequentially passes through the cup body 21. The air inlet of the fan 3 on the groove 111 enters the interior of the fan 3 and is discharged from the air outlet 31 of the fan 3 .

By detachably connecting the dust collecting cup 2 to the body 1, the filter assembly in the dust collecting cup 2 and the air inlet of the fan 3 can be easily cleaned, so as to improve the cleaning effect of the hand-held dust collector.

In order to improve the positioning effect between the dust collecting cup 2 and the body 1 and facilitate the assembly of the dust collecting cup 2 and the body 1, a snap 113 is provided in the installation groove 111, and a snap hole is provided at a corresponding position on the cup. When installing the dust collecting cup 2 , when the cup body 21 is snapped into the mounting groove 111 , the snap 113 is snapped into the snap hole, so that the cup body 21 can be easily mounted on the air duct 11 .

As shown in FIG. 11 , the buckle 113 may be a protruding structure. When the catch 113 is matched with the catch hole, by pressing the dust collecting cup 2 to the body 1 , the catch 113 can be deformed to be inserted into the catch hole, and then tightly fit and clamp with the catch hole. In other embodiments, the buckle 113 can also be of other structures, as long as it can be snap-fitted with the buckle hole to fix the dust cup 2 on the body 1 .

As shown in FIG. 12 , the dust cup 2 includes a disassembly and assembly mechanism 7, which can lock the dust cup 2 on the body 1 to avoid the dust cup 2 and the body 1 caused by the improper installation of the dust cup 2. When the user needs to clean the filter assembly in the dust cup 2 and the air inlet of the fan 3, the lock of the dust cup 2 and the body 1 can be released, so that the dust cup 2 can be easily removed for cleaning.

As shown in FIG. 13 , the dismounting mechanism 7 includes a trigger member 71 , a locking member 72 , a locking groove and a third elastic member. The locking slot is arranged on the side wall of the installation slot 111 , the trigger 71 is exposed outside the dust cup 2 , the locking member 72 is movably arranged in the dust cup 2 and is connected with the trigger 71 , and the third elastic member can drive the locking member 72 Move so that one end of the locking piece 72 extends out of the dust collecting cup 2 and is inserted into the locking groove, thereby locking the cup body 21 and the body 1 . When the dust collecting cup 2 needs to be disassembled, the user can move the trigger member 71 to drive the locking member 72 to move, so that the locking member 72 overcomes the elastic force of the third elastic member and retracts into the dust collecting cup 2, so as to be removed from the locking groove , and then the cup body 21 is unlocked from the body 1 , which is convenient for the user to disassemble the dust collecting cup 2 .

By arranging the dismounting mechanism 7, the dust collecting cup 2 can be prevented from falling off directly from the body 1 due to improper assembly or user's misoperation, thereby improving the stability of the handheld dust collector.

Optionally, the third elastic member may be a spring, which has a simple structure and low cost. The trigger member 71 may be a push-twist, and the user moves the locking member 72 out of the locking slot by pushing the push-twist, which is convenient to operate, requires less thrust, and has a good operating feel for the user.

In this embodiment, the locking groove is provided on the side wall of the installation groove 111 , preferably, the locking groove is provided on the side wall of the installation groove 111 near one end of the air duct inlet 131 . When the user uses the hand-held vacuum cleaner, the dust collecting cup 2 moves toward one end of the air duct inlet 131 under the action of gravity, which is beneficial to maintain the state in which the locking member 72 extends into the locking groove, thereby improving the contact between the cup body 21 and the body 1. Lock effect.

In order to prevent the trigger member 71 from being blocked by the cup cover 22, so that the user can disassemble the dust collecting cup 2, the trigger member 71 and the locking member 72 are both slidably arranged in the cup body 21, and the cup cover 22 is provided with an avoidance corresponding to the trigger member 71. The trigger member 71 is disposed in the avoidance gap, so that the user can move the trigger member 71 through the avoidance gap.

When removing or installing the dust cup 2, the trigger member 71 drives the locking member 72 to expand and contract. The expansion and contraction of the locking member 72 will not affect the cooperation between the locking mechanism 23 and the cup cover 22. Therefore, the opening of the cup cover 22 and the opening of the dust cup 2 Disassembly and assembly are two independent actions.

In order to further avoid mutual interference between the overall disassembly of the dust collecting 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, the two push parts 4222 of the push block 422 and the two push parts 4222 matched with the push block 422. The locking mechanisms 23 are symmetrically arranged on opposite sides of the dismounting mechanism 7, thereby ensuring that the dismounting mechanism 7 and the opening part of the cup cover 22 work independently and do not interfere with each other.

In addition, by setting the avoidance gap, the disassembly and assembly mechanism 7 and the cup cover are not in force contact, and it can also prevent the cup cover 22 from being stressed due to the cooperation of the locking member 72 and the locking groove, thereby helping to maintain the force balance of the cup cover 22 and avoid The concentrated force on the cup cover 22 affects the sealing effect between the cup cover 22 and the cup body 21 .

In order to prevent the trigger member 71 from being stuck when driving the locking member 72 to move, a guide sleeve 215 is provided in the cup body 21, and the guide sleeve 215 is sleeved on the outside of the trigger member 71, so as to provide a guiding effect for the sliding of the trigger member 71, so as to avoid The trigger member 71 is stuck and can 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 stuck due to the distortion of the third elastic member.

In order to prevent the trigger member 71 from popping out of the installation cavity 212 under the action of the third elastic member, the trigger member 71 is also provided with a limiting portion 73 , and a limiting groove 216 is provided in the mounting cavity 212 , and the limiting portion 73 is slidably arranged in the limiting groove. 216 , and can abut with the side wall of the limiting groove 216 to prevent the trigger member 71 from disengaging from the mounting groove 111 .

In this embodiment, by disassembling the dust collecting cup 2, on the one hand, the interior of the dust collecting cup 2 can be easily cleaned, so that the cleaning in the dust collecting cup 2 is more thorough; The inlet of the fan 3 is exposed, so as to clean the dust at the inlet of the fan 3.

Embodiment 2

This embodiment provides a dust collector, which is further improved on the basis of the first embodiment, so as to optimize the circuit arrangement inside the dust collector.

In order to make it easier for the user to hold the hand, the power supply 5 can be arranged in the hand-held part 12, and the fan 3 is arranged at the bottom of the body 1 and is located on the side of the dust cup 2 close to the hand-held part 12, which is convenient for the connection between the fan 3 and the power supply 5. And the connection between the inlet of the fan 3 and the dust cup 2 . With the above arrangement, the weight of the hand-held vacuum cleaner 100 can be concentrated on the hand-held portion 12 , the weight of the air duct portion 11 can be reduced, and the user can hold it more effortlessly.

Since the cleaning head has electrical components for assisting cleaning, when the cleaning head is used in conjunction with the hand-held vacuum cleaner 100, the power supply 5 needs to be connected to the cleaning head to supply power to the electrical components 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 can be electrically connected to the cleaning head, so that the cleaning head can be connected to the handheld dust collector 100 When used together, the cleaning head is powered by the power supply 5 in the hand-held part 12 .

Specifically, the conductive mechanism 6 includes a lead wire and a docking component. The docking component is arranged at one end of the body 1 away from the hand-held portion 12 and between the casing and the air duct 15. The end face of the body 1 is provided with a docking component at a position corresponding to the docking component. The hole 132, the wire is located between the casing and the air duct 15, is used for connecting the docking component and the power supply 5. A docking portion is correspondingly provided on the cleaning head, and the docking portion is electrically connected with the electrical components in the cleaning head.

When the cleaning head cooperates with the hand-held vacuum cleaner 100, the docking part on the cleaning head can extend into the docking hole 132, and cooperate with the docking component to conduct electricity, so as to realize the electrical components in the cleaning head and the hand-held vacuum cleaner. The power supply 5 in the dust device 100 is turned on.

In order to ensure the electrical safety of the vacuum cleaner, the docking assembly includes a conductive contact pin and a flame retardant protective cover arranged outside the conductive contact pin. At least part of the conductive contact pin is arranged in the docking hole 132. Overheating or abnormal electricity use of the vacuum cleaner causes the internal structure of the vacuum cleaner to spontaneously ignite, so as to meet the requirements of safety regulations. more convenient.

Optionally, the flame retardant protective cover can be integrally formed outside the conductive contact needle by injection molding, no other structural connection is required between the flame retardant protective cover and the conductive contact needle, and the structure is simple and the processing is convenient.

Optionally, a snap groove 133 (see FIG. 2 ) may be provided on the inner wall of the air duct inlet 131 , the cleaning head is provided with a plug end, and the plug end is provided with a snap end. When installing the cleaning head and the hand-held dust collector 100, the plug end is inserted into the air duct inlet 131, and the clamp end can be clamped in the clamp groove 133, which is realized by the cooperation between the clamp end and the clamp groove 133. Fixing of the cleaning head and the handheld vacuum cleaner 100 .

Specifically, the inner wall of the clamping slot 133 is provided with a clamping hole, and the clamping end of the cleaning head is provided with a clamping block correspondingly. After the clamping end is inserted into the clamping groove 133, the clamping block and the clamping hole are locked Fittingly, so as to fix the cleaning head and the hand-held vacuum cleaner 100.

In other embodiments, the detachable installation structure of the cleaning head and the handheld dust collector 100 may also be other structures, as long as the detachable installation can be realized.

In order to improve the airtightness of the dust collector, in this embodiment, an end cover 13 is also provided on the outer side of the end of the body 1 where the air duct inlet 131 is arranged, and the end cover 13 is sleeved on the outer side of the casing, and the end cover 13 is connected with the air duct inlet 131 . There is also a sealing layer between the contact surfaces of the casing, and the sealing layer can block the installation gap between the end cover 13 and the casing, so as to prevent the air duct 15 from communicating with the outside of the body 1 through the installation gap, thereby improving the dust collection equipment. performance.

In order to prevent the airflow 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 slot 133, a sealing layer may also be provided on the outer wall of the air duct 15 corresponding to the clamping hole to seal the air duct 15. The layer cover is disposed outside the clamping hole, so as to improve the air tightness of the hand-held vacuum cleaner 100 .

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

Since the wire and the transmission assembly are located in the same space, in order to avoid the interference between the transmission assembly and the wire, as shown in FIG. 14 and FIG. 15 , the cover plate 14 covers at least part of the transmission assembly, and the routing channel for accommodating the wire is located on the cover plate 14 between the chassis.

By arranging the cover plate 14, the wire can be separated from at least part of the transmission assembly, preventing the wire and the transmission assembly from interfering with each other, ensuring the smooth movement of the transmission assembly, and preventing the wire from being wound on the transmission assembly, thereby improving the reliability of the handheld dust collector 100. sex.

Because the push rod 421 is a long structure and occupies less space, when the wire is routed along the outer wall of the air duct 15 , it can be spaced from the push rod 421 to avoid failure due to contact and wear of the wire and the push rod 421 . The push block 422 is arranged across the air duct 15 , and the wire will inevitably pass through the push block 422 when connecting the power supply 5 and the conductive contact pin, and is easy to contact and wear with the push block 422 . To this end, in this embodiment, the wires and the push rods 421 can be arranged at intervals, and the cover plate 14 can only be placed above the push blocks 422 to separate the push blocks 422 and the wires and prevent the push blocks 422 from interfering with the wires.

In order to further separate the wires from the transmission assembly, as shown in FIG. 14 , the outer wall of the air duct 15 and/or the cover 14 are further provided with wire grooves 151 , and the wires are accommodated in the wire grooves 151 . By arranging the wire routing groove 151, the position of the wire can be further fixed, and the movement of the wire can be avoided, thereby preventing the wire from interfering with the transmission assembly.

In this embodiment, through the cover plate 14 and the wire routing slot 151, it can be ensured that when the transmission assembly is arranged between the casing and the outer wall of the air duct 15, the transmission assembly and the wire do not interfere with each other, so as to ensure the normal transmission of the transmission assembly and avoid Wires failed due to contact wear with drive components.

Optionally, as shown in FIG. 7 , a wire pressing block 1511 may also be provided on the top of the side wall of the wire routing slot 151 . The wire pressing block 1511 can reduce the size of the opening of the wiring groove 151 . When fixing the wire, press the wire to make the wire go over the wire pressing block 1511 and squeeze into the wire groove 151 , and then the wire pressing block 1511 is located above the wire, which can press the wire into the wire groove 151 to prevent the wire from leaving the wire groove 151 , so as to improve the fixing effect of the wire.

Further, the wire pressing block 1511 may be a wedge block, the wedge-shaped surface of the wedge block faces the other side wall of the wiring groove 151 , and the distance between the wedge-shaped surface and the other side wall is from the outside to the inside of the wiring groove 151 gradually increase, so as to press the wire into the wire routing slot 151 through the wedge-shaped surface.

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

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

In this embodiment, as shown in FIG. 16 , the first wiring groove on the air duct 15 can be formed by bending the outer wall of the air duct 15 toward the inside of the air duct 15 through an injection molding process, so as to form a concave on the outer wall of the air duct 15 At the same time as the wiring groove 151 is formed, a convex first rib 154 is formed on the inner wall of the air duct 15 , and the first rib 154 extends along the flow direction of the airflow in the air duct 15 . This molding method of the wire routing groove 151 is not only simple in processing, which is beneficial to ensure the strength of the air duct 15 , but also can simultaneously form the first protruding ribs 154 , and the first protruding ribs 154 can play a role in the airflow in the air duct 15 . Therefore, the flow state of the airflow in the air duct 15 is changed to achieve the effect of steady flow.

Similarly, 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 as to form the second rib 155 inside the air duct 15 while forming the push rod guide groove 152 . This molding method of the push rod guide groove 152 is not only simple in processing, but also conducive to ensuring the strength of the air duct 15 , and on the one hand, the second protruding ribs 155 can be simultaneously formed, and the second protruding ribs 155 can affect the airflow in the air duct 15 . Play a guiding role, thereby changing the flow state of the airflow in the air duct 15 to achieve the effect of steady flow; on the other hand, it can also reduce the distance between the casing and the outer wall of the air duct 15, thereby reducing the size The size of the vacuum cleaner 100 in the up-down direction.

In this embodiment, the wire is separated from the push rod 421 by the first wire groove to prevent the push rod 421 from moving and entangled with the wire; the wire is separated from the push block 422 by the partition plate 24 to prevent the push block 422 from moving and interfering with the wire , so as to ensure the normal operation of the handheld vacuum cleaner 100 .

When the cover plate 14 is covered on 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 wire groove and the second wire groove are connected smoothly, so as to prevent the wires from running through the first wire. The wireway bends or makes contact with corners as it enters the second wireway, preventing wire fraying.

Embodiment 3

This embodiment provides a dust collector, which is further improved on the basis of Embodiment 1 or Embodiment 2, so as to improve the sealing effect between the cup cover 22 and the cup body 21 .

Because the locking mechanism 23 exerts a locking force on the cup cover 22 when locking the cup cover 22 and the cup body 21, the stress concentration at the position where the cup cover 22 and the locking mechanism 23 are matched will result in uneven stress on the entire cup cover 22. It will affect the sealing effect of the matching position of the cup cover 22 and the cup mouth, thereby causing the dust collecting cup 2 to leak air, affecting the use effect and the use experience.

In order to solve the above problems, in this embodiment, as shown in FIG. 17 , by arranging a partition 24 in the cup body 21, the inner space of the cup body 21 is divided into a dust collecting cavity 211 and an installation cavity 212. Correspondingly, the cup mouth is It is divided into a first opening and a second opening. The first opening corresponds to and communicates with the dust collection cavity 211, and the second opening corresponds to and communicates with the installation cavity 212. The locking mechanism 23 and the disassembly mechanism 7 are both arranged in the installation cavity 212. The locking mechanism The elastic arm 235 in 23 can abut against the inner wall of the mounting cavity 212 . When the cup lid 22 closes the mouth of the cup, part of the cup lid 22 (hereinafter referred to as the sealing part) is used for cooperating with the dust collection chamber 211 to seal, and the remaining part of the cup lid 22 (hereinafter referred to as the locking part) corresponds to the installation cavity 212 and is used for locking with the dust collection chamber 211 . Mechanism 23 cooperates.

Through the above arrangement, the locking portion on the cup cover 22 that cooperates with the locking mechanism 23 can be located outside the dust collection chamber 211 , and the locking force exerted by the locking mechanism 23 on the cup cover 22 is concentrated on the locking portion, so that the cup cover 22 can be reduced in size. The received locking force affects the sealing portion, thereby improving the sealing effect of the cup cover 22 on the dust collection chamber 211 .

In order to further improve the sealing effect between the dust collecting chamber 211 and the sealing part, as shown in FIG. 18 and FIG. 19 , the sealing member 25 can be integrally injection molded on the cup cover 22, the processing technology is simple, and there is no need to provide additional structural fixing sealing member 25, which can prevent The installation positions of the sealing member 25 and the cup cover 22 are changed, thereby improving the sealing effect of the dust collecting chamber 211 . Illustratively, the seal 25 is a sealing ring.

Optionally, the cup body 21 is provided with a pressure rib at the position where it cooperates with the sealing member 25. When the cup cover 22 closes the opening of the cup body 21, the pressure rib on the cup body 21 can abut on the sealing member 25, so as to further The sealing performance between the cup body 21 and the cup cover 22 is improved.

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 that cooperates with the cup cover 22 is arranged close to the body 1, so that the transmission assembly cooperates with the locking mechanism 23 to realize the cup cover 22 and the cup body 21. Unlock. The end of the cup cover 22 away from the dust collecting cavity 211 (ie the top of the cup cover 22 ) cooperates with the locking mechanism 23 , which can increase the distance between the locking force exerted by the locking mechanism 23 and the dust collecting cavity 211 , thereby further reducing the lock The influence of the tightening force on the sealing part can avoid uneven force on the sealing member 25 in contact with the sealing part, thereby improving the sealing effect of the cup cover 22 on the dust collecting chamber 211 .

In addition, the cup body 21 is divided into the dust collecting cavity 211 and the installation cavity 212 by the partition plate 24 , the locking mechanism 23 and other components on the dust collecting cup 2 can be arranged in the installation cavity 212 , and the inner wall of the dust collecting cavity 211 can be avoided. There are too many corners or protrusions, so that the side wall of the dust collecting chamber 211 is flat, and the dead corners are reduced, so as to avoid accumulation of dust in the dead corners of the dust collecting chamber 211, and it is convenient for the user to clean up the dust.

In this embodiment, when the hand-held vacuum cleaner 100 is in normal use, the partition plate 24 is located on the front side of the dust collecting chamber 211 , so that the dust in the dust collecting cup 2 can be accumulated in the clip between the partition plate 24 and the cup cover 22 . In the corner, when the cup cover 22 is opened, the accumulated dust can be directly dropped and discharged out of the dust collecting chamber 211, which is convenient for cleaning.

When the cup lid 22 is locked with the cup body 21 by the locking mechanism 23, the force exerted by the locking mechanism 23 on the cup lid 22 tends to drive the cup lid 22 to continue to rotate in the direction of closing the cup mouth. The elastic force exerted by the elastic member on the cup cover 22 has a tendency to drive the cup cover 22 to rotate in the direction of opening the cup mouth. The torque received by the cup cover 22 is balanced, which is beneficial to the uniform force on the sealing member 25, thereby improving the sealing effect of the dust collecting chamber 211.

In order to ensure the matching accuracy of the first engaging portion 231 and the second engaging portion 232, thereby ensuring the sealing effect of the dust collecting cup 2, the mounting cavity 212 is also provided with an engaging guide groove, and the second engaging portion 232 is rotatably arranged on the The clamping guide groove ensures that the position of the second clamping portion 232 does not shift, thereby improving the matching accuracy of the second clamping portion 232 and the first clamping portion 231 .

As shown in FIG. 18 , two rib plates 213 are arranged opposite to each other in the installation cavity 212 . The two rib plates 213 can be arranged in parallel, at an angle or vertically, and a second mounting connection is formed between the two rib plates 213 The two rib plates 213 are located at the two axial ends of the rotating portion 233 respectively, which can limit the axial position of the second engaging portion 232, thereby preventing the position of the second engaging portion 232 from shifting.

Further, the mounting cavity 212 is also provided with an abutting portion 214, and the abutting portion 214 is used for abutting with the elastic arm 235, so that the elastic arm 235 stores elastic potential energy, so as to provide the first engaging portion 231 and the second engaging portion 231. The engagement of the portion 232 provides the locking force.

Embodiment 4

This embodiment provides a vacuum cleaner, which is further improved on the basis of Embodiment 1, Embodiment 2 or Embodiment 3, and can increase the size of the air duct 15 on the basis that the overall size of the handheld vacuum cleaner 100 remains unchanged. Cross-sectional area to improve the performance of the vacuuming equipment.

In order to maximize the cross-sectional area of the air duct 15 to improve the performance of the dust collector, in this embodiment, the installation positions of the functional components in the body 1 are optimized to make the structure more compact, so that the remaining space can be fully absorbed by the air duct 15. use. The functional components include but are not limited to transmission components.

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 disposed opposite the docking assembly along the length direction of the air duct 15, so that the functional components in the body 1 can be concentrated along the air duct 15. In the long area in the length direction, the remaining space in the casing is more regular. When the remaining space is used as the air duct 15, the cross-sectional size of the air duct 15 can be kept unchanged as much as possible. On the one hand, it can reduce the space that the air duct 15 needs to avoid. The space of the air duct 15 is wasted due to the avoidance structure, so the air duct 15 is enlarged on the basis that the overall size of the hand-held vacuum cleaner 100 remains unchanged; It is stable, and the air duct 15 is easy to process.

Optionally, at least part of the transmission components are arranged in the installation area, so as to optimize the arrangement of the internal structure of the casing and improve the utilization rate of the air duct 15 to the internal space of the casing.

In this embodiment, as shown in FIG. 5 , the flame-retardant protective cover, the first reset member and the pushing portion 4222 are arranged in sequence along the length direction of the air duct 15 and face each other. The push rods 421 are arranged along the length direction of the air duct 15 and face each other, which is beneficial for the air duct 15 to make full use of the remaining space in the casing and increase the size of the air duct 15 .

In order to facilitate the disassembly and assembly of the upper cover 101 and the lower case 102, the upper cover 101 and the lower case 102 are fixed by snap connection. Compared with fixing with screws, it can avoid different screw tightening degrees, resulting in improper installation of the upper cover 101 and the lower case 102, and further Affect the performance of the vacuum cleaner.

Specifically, as shown in FIG. 20 , the lower end of the upper cover 101 is provided with a first fastener 1011 , and the lower shell 102 is provided with a second fastener, and the first fastener 1011 can extend into the lower case 102 to connect with the The two snap fittings are snap-fitted, which is beneficial to improve the snap-fit and fixing effect of the upper cover 101 and the lower shell 102 .

Further, the bottom end of the first clip 1011 is bent toward the inside of the casing to form an arc guide structure. When assembling the casing, place the upper cover 101 on the lower casing 102, and after pressing the upper cover 101, the arc guide structure will slide into contact with the inner wall of the casing to guide the first clip 1011 to deform and extend into the lower casing 102, which is beneficial to reduce the assembly difficulty of the casing and improve the clamping effect of the upper cover 101 and the lower casing 102.

Optionally, one of the first clip 1011 and the second clip is provided with a clip 113, and the other is provided with a clip hole, and the upper cover 101 and the lower shell 102 can be connected to each other through the cooperation of the clip 113 and the clip hole. fixed.

In order to improve the positioning accuracy of the first fastener 1011 and the second fastener, as shown in FIG. 21 and FIG. 22 , one end of the upper cover 101 along the length direction of the air duct 15 is provided with a first plug portion 1012 , and the lower case is provided with a first plug portion 1012 . 102 is provided with a second plug portion 1021, and the first plug portion 1012 can be plugged and matched with the second plug portion 1021 along the length direction of the air duct 15, so as to realize the connection between the first clip 1011 and the second clip. alignment.

Specifically, one end of the lower shell 102 close to the hand-held portion 12 is provided with a second plug portion 1021 , the second plug portion 1021 is a plug block, and the first plug portion 1012 provided on the corresponding end of the upper cover 101 is a plug block. hole. When assembling the casing, the upper cover 101 is inclined and slid along the length direction of the air duct 15 toward the hand-held portion 12, so that the plug-in block is inserted into the socket. After the plug-in block is inserted in place, the plug-in block and the socket abut against the upper cover 101 to limit the continued sliding of the upper cover 101. At this time, the first latch 1011 is located above the second latch, and the first latch 1011 and the second latch are realized. Alignment of snap fasteners. Afterwards, by pressing the upper cover 101, the first fastener 1011 can be extended into the lower shell 102 to cooperate with the second fastener.

The above contents are only preferred embodiments of the present invention. For those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific embodiments and application scope. limits.

Claims

A hand-held vacuum cleaner, characterized in that it includes:

A casing, one end of the casing extends to form a hand-held portion (12), the other end extends to form an air duct portion (11), and an air duct (15) is provided in the air duct portion (11), and the air duct portion (11) is provided with an air duct (15). (11) is provided with a fan (3) and an air duct inlet (131) communicating with the air duct (15);

A dust collecting cup (2), the dust collecting cup (2) comprises a cup body (21) and a cup cover (22), the cup body (21) is arranged on the casing, and the cup cover (22) It is movably connected with the cup body (21), and the fan (3) can drive the airflow to pass through the air duct inlet (131), the air duct (15) and the dust collecting cup (2) in sequence, and then pass through the The air outlet (31) of the fan (3) is discharged;

a release member (41), movably arranged on the casing; and

A transmission assembly is arranged between the casing and the air duct (15), one end is connected to the release member (41), and the other end is capable of driving the cup cover (22) relative to the cup body (21) Move to open the mouth of the cup body (21).
The handheld dust collector according to claim 1, wherein the dust collecting cup (2) is detachably connected to the casing;

Preferably, the hand-held vacuum cleaner further comprises:

a disassembly and assembly mechanism (7), which can lock the dust collecting cup (2) and the casing, and can unlock the dust collecting cup (2) and the casing;

Preferably, the disassembly mechanism (7) includes:

a locking slot, arranged on the casing;

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

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

A trigger (71) is connected to the locking member (72) and is exposed outside the dust cup (2), and the trigger can drive the locking member (72) to retract to the dust cup (2);

Preferably, the locking member (72) is slidably arranged at the mouth of the cup, the cup cover (22) is provided with an escape notch, and the trigger member (71) is arranged in the escape notch;

Preferably, an installation groove (111) is provided at the bottom of the casing, the dust cup (2) is snapped into the installation groove (111), and the locking groove is provided in the installation groove (111) on the side wall.
The handheld dust collector according to claim 2, characterized in that the transmission assembly comprises two output ends arranged oppositely, and the two output ends of the transmission assembly are symmetrically arranged on the disassembly and assembly mechanism (7) on both sides.
The hand-held dust collector according to any one of claims 1-3, wherein the transmission assembly comprises:

A push rod (421) is slidably arranged on the outer wall of the air duct (15), and one end of the push rod (421) is connected to the release member (41);

A push block (422) is slidably arranged on the outer wall of the air duct (15) and extends downward along the outer wall of the air duct (15), and the top end of the push block (422) is connected to the push rod ( 421), the bottom end of the push block (422) extends into the cup body (21), and can drive the cup cover (22) to move relative to the cup body (21) to open the cup body (21). 21) the mouth of the cup;

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

Preferably, the push block (422) is in the shape of an arch bridge, and the push block (422) is sleeved on the outer wall of the air duct (15).
The handheld vacuum cleaner according to claim 4, characterized in that a cover plate (14) is arranged between the air duct (15) and the casing, and the cover plate (14) is at least covered on the Outside part of the transmission assembly, the cable routing channel is located between the cover plate (14) and the casing.
The handheld dust collector according to claim 5, wherein the cover plate (14) is connected to the outer wall of the air duct (15) and is covered outside the push block (422);

Preferably, a positioning groove (153) is provided on the outer wall of the air duct (15), the push block (422) is slidably arranged in the positioning groove (153), and the top surface of the cover plate (14) be flush with the outer wall of the air duct (15);

Preferably, the outer wall of the air duct (15) and/or the cover plate (14) are provided with wire routing grooves (151) for accommodating wires.
The hand-held vacuum cleaner according to any one of claims 1-3, characterized in that, the dust collecting cup (2) further comprises a locking mechanism (23), which can The cup cover (22) is locked with 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, and the cup cover (22) ) and the cup body (21) is unlocked.
The hand-held vacuum cleaner according to claim 7, wherein the locking mechanism (23) comprises:

a first engaging portion (231), disposed on the cup cover (22);

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

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

a force-receiving part (234), which is connected to the second clamping part (232), and the force-receiving part (234) can abut against the output end of the transmission assembly; and

a first elastic member capable of driving the second clamping portion (232) to rotate in a direction of being clamped with the first clamping portion (231);

The transmission assembly can drive the force-receiving portion (234) to drive the second engaging portion (232) to rotate in the direction of disengagement from the first engaging portion (231), so as to move the cup cover (232). 22) and the cup body (21) is unlocked;

Preferably, the cup body (21) is divided into a dust collecting cavity (211) and an installation cavity (212), and the locking mechanism (23) is arranged in the installation cavity (212);

Preferably, one end of the cup cover (22) away from the dust collecting chamber (211) is matched with the locking mechanism (23);

Preferably, a locking mechanism (23) is respectively provided on two opposite sides of the installation cavity (212);

Preferably, one end of the cup cover (22) is rotatably connected with the cup body (21), the opposite end of the cup cover (22) is matched with the locking mechanism (23), and the cup cover ( 22) A second elastic member is arranged between the cup body (21), and the second elastic member can drive the cup cover (22) to rotate in the direction of opening the cup mouth of the cup body (21).
The handheld vacuum cleaner according to claim 8, characterized in that, when the cup cover (22) closes the cup opening of the cup body (21), the output end of the transmission assembly and the locking mechanism ( 23) a gap H is provided between;

Preferably, both the force-receiving portion (234) and the second engaging portion (232) extend along the radial direction of the rotation portion (233), and the force-receiving portion (234) extends along the rotation portion (234). 233) The radial length of the second engaging portion (232) is smaller than the radial length of the rotating portion (233).
A dust collector, comprising a cleaning head, characterized in that it further comprises the handheld dust collector according to any one of claims 1-9, wherein the cleaning head and the air duct portion (11) Detachable connection.