CN219422713U - Dust collector with reliable use - Google Patents

Abstract

The utility model discloses a dust collector with reliable use, which belongs to the technical field of cleaning equipment and comprises a host machine, a dust collection fan, a dust collection piece and a filter assembly, wherein the host machine is provided with an air inlet hole and an air outlet hole, the front wall of the host machine is provided with a positioning boss protruding forwards, the air inlet hole is arranged at the positioning boss, the filter assembly comprises a filter module and a bracket module for erecting the filter module in the dust collection piece, the rear end of the filter assembly is provided with a positioning opening matched with the positioning boss, the positioning boss is embedded into the positioning opening to enable the dust collection piece provided with the filter assembly to be positioned, and a locking structure for locking the dust collection piece provided with the filter assembly to the host machine is arranged between the host machine and the dust collection piece. The purpose of avoiding neglected loading of the filter assembly is achieved by the mode that the dust collecting piece of the neglected loading filter assembly cannot be smoothly assembled with the host machine, the mechanical structure for preventing neglected loading of the filter assembly is reasonably simplified, and the operation steps and the operation difficulty of installing the filter assembly in the dust collecting piece and assembling the dust collecting piece to the host machine by a user are not increased.

Description

Dust collector with reliable use

Technical Field

The utility model relates to the technical field of cleaning equipment, in particular to a dust collector with reliable use.

Background

Along with the improvement of the technological level and the living standard, the dust collector is one of important electrical appliances in daily life and production, and the handheld dust collector is widely used due to the advantages of smaller size, convenience in holding and moving and the like. The current hand-held dust collector generally comprises a main machine and a dust cup, wherein a fan is arranged in the main machine, a filter assembly is arranged in the dust cup, the fan provides suction to form dust collection air flow flowing into the dust cup from the outside, dirt such as external dust and hair is sucked into the dust cup under the action of the dust collection air flow, the filter assembly filters the dust collection air flow, and the situation that the dirt is blocked or scrapped by the fan caused by the fact that the dirt follows the dust collection air flow to flow into the fan is avoided. In the prior art, the dust cup is generally directly matched with the host machine to realize positioning, so that the dust cup which is neglected to assemble and fix the filter assembly can still be successfully assembled with the host machine, the machine body can be smoothly started and operated, unfiltered dust collection air flow can flow through the fan, the performance stability of the fan is not guaranteed, and the use reliability of the whole machine is not guaranteed.

Disclosure of Invention

In order to solve the defects and shortcomings in the prior art, the utility model provides the dust collector which is reliable to use, the dust collecting piece is positioned through the matching of the filter assembly and the host, the dust collecting piece of the neglected loading filter assembly cannot be assembled and locked with the host, the neglected loading filter assembly is prevented, and the use reliability of the machine body is ensured.

In order to achieve the technical purpose, the utility model provides a dust collector with reliable use, which comprises a main machine, a dust collection fan arranged in the main machine, a dust collection piece detachably assembled on the front side of the main machine and a filter assembly detachably arranged in the dust collection piece, wherein the dust collection fan provides suction to form dust collection airflow flowing through the dust collection piece, the main machine is provided with an air inlet hole through which the dust collection airflow flows and an air outlet hole through which the dust collection airflow flows out, the front wall of the main machine is provided with a positioning boss protruding forwards, the air inlet hole is arranged at the positioning boss, the filter assembly comprises a filter module and a bracket module for erecting the filter module in the dust collection piece, the rear end of the filter module is provided with a positioning port matched with the positioning boss, the positioning boss is embedded into the positioning port to enable the dust collection piece provided with the filter assembly to be positioned, and a locking structure for locking the dust collection piece provided with the filter assembly on the main machine is arranged between the main machine and the dust collection piece.

Preferably, the inner wall of the positioning opening is provided with a plurality of positioning ribs which are distributed at intervals along the circumferential direction, and the positioning boss embedded into the positioning opening is abutted against the positioning ribs so that the dust collecting piece provided with the filter assembly is positioned.

Preferably, the rear end of the positioning convex rib is provided with a positioning surface which can be contacted with the side surface of the positioning boss; and/or the inner diameter of the rear end of the positioning opening increases from front to back.

Preferably, the rear end of the filter module is provided with a positioning sleeve, and the positioning opening is arranged on the positioning sleeve.

Preferably, the filter module comprises a filter screen and a frame ring arranged at the rear end of the filter screen, and the positioning sleeve is arranged in the frame ring.

Preferably, the frame ring is provided with a ring edge formed by extending backwards, and the positioning sleeve is arranged on the inner periphery of the ring edge.

Preferably, the positioning sleeve has elasticity, and the rear end of the positioning sleeve contacts with the front wall of the host machine when the dust collecting piece is assembled on the host machine.

Preferably, the front side of the main machine is embedded into the dust collecting piece so that the dust collecting piece provided with the filter assembly is positioned in an auxiliary way.

Preferably, the locking structure comprises a lock rod capable of tilting and rotating in the host and a clamping hole arranged on the dust collecting piece, the lock rod is provided with a buckle, the lock rod is provided with a locking state for enabling the buckle to be clamped in the clamping hole and an unlocking state for enabling the buckle to be separated from the clamping hole, a spring which is propped against the lock rod to enable the lock rod to be in the locking state is arranged in the host, the host is provided with a button connected with the lock rod, and the button is pressed to enable the lock rod to rotate from the locking state to the unlocking state and enable the spring to deform under stress.

Preferably, the support module comprises a support and a net rack which are detachably matched, the support is matched with the dust collecting piece, the support and the net rack which are assembled together clamp the filter module, and an elastic sleeve is arranged outside the support.

After the technical scheme is adopted, the utility model has the following advantages:

1. the dust collector provided by the utility model has the advantages that the positioning boss is arranged on the front wall of the main machine, the air inlet is arranged at the positioning boss, and the rear end of the filter module is provided with the positioning opening matched with the positioning boss. When the dust collecting piece and the host machine are assembled, the positioning boss is embedded into the positioning opening, and the dust collecting piece can be subjected to front-back positioning, up-down positioning and left-right positioning through the cooperation of the positioning boss and the positioning opening, so that the dust collecting piece can be stably assembled with the host machine through the locking structure. If the filter assembly is neglected to be installed, the dust collecting piece matched with the host cannot be effectively positioned, the dust collecting piece is easy to separate from the host, the locking structure cannot stably assemble the dust collecting piece on the host, namely, the dust collecting piece and the host cannot be effectively assembled together, and the whole machine cannot work normally. The purpose of avoiding neglected loading of the filter assembly is achieved through a mode that the dust collecting piece of the neglected loading filter assembly cannot be smoothly assembled with the host machine, the use reliability of the whole machine is guaranteed, the mechanical structure for preventing neglected loading of the filter assembly is reasonably simplified, the operation steps and the operation difficulty of installing the filter assembly in the dust collecting piece and assembling the dust collecting piece in the host machine by a user cannot be increased, and the use experience of the user is improved.

2. The inner wall of the positioning opening is provided with a positioning convex rib, and a positioning boss embedded into the positioning opening is abutted against the positioning convex rib, so that the dust collecting piece provided with the filter assembly is subjected to an effective positioning effect. The contact area between the positioning boss and the inner wall of the positioning opening can be reasonably reduced when the dust collecting piece is subjected to positioning through the interference between the positioning convex ribs and the positioning boss, so that the positioning boss can be easily embedded into or separated from the positioning opening, and the operation difficulty of a user in assembling the dust collecting piece and the host machine can be reasonably reduced.

3. The rear end of the positioning convex rib is provided with a positioning surface, the positioning surface is contacted with the side surface of the positioning boss when the positioning boss is embedded into the positioning opening, and the contact area between the positioning convex rib and the positioning boss is reasonably increased through the positioning surface, so that the dust collecting piece can be subjected to an effective positioning effect through the contact between the positioning convex rib and the positioning boss.

The inner diameter of the rear end of the positioning port is preferably increased from front to back, namely the rear end of the positioning port is horn-shaped, so that the positioning boss can be easily embedded into the positioning port when the dust collecting part and the host machine are assembled.

4. The locating opening is preferably arranged on the locating sleeve, the locating sleeve is preferably arranged in the frame ring of the filter module, the forming structure of the locating opening and the specific structure of the filter assembly are reasonably arranged, and the requirement on the injection molding precision of the frame ring is reasonably reduced. Specifically, the positioning sleeve can be directly fixed in the frame ring in a soft plastic injection molding mode, and can be independently molded and then installed in the frame ring.

5. The frame ring is provided with a ring edge extending backwards, the positioning sleeve is arranged on the inner periphery of the ring edge, the axial matching height between the frame ring and the positioning sleeve is reasonably increased through the ring edge, and the structural stability of the positioning sleeve is improved, so that the stability of the positioning boss and the positioning opening jogged dust collecting part subjected to positioning action can be improved.

6. The locating sleeve has elasticity, and when the dust collection piece assembled in the host computer, the rear end of locating sleeve pastes in the front wall of host computer, makes between locating sleeve and the host computer can realize circumference sealed cooperation, avoids there being the fit clearance between filter assembly and the host computer to avoid part not through the filterable dust absorption air current of filter assembly inflow dust absorption fan's inside of this fit clearance and fresh air inlet, be favorable to guaranteeing dust absorption fan's performance stability.

7. The front side of the host is embedded into the dust collecting piece, so that the dust collecting piece provided with the filter assembly is subjected to auxiliary positioning, and the structural stability of the dust collecting piece when assembled on the host is improved.

8. The spring is abutted against the lock rod to enable the lock rod to be in a locking state in a normal state, so that the buckle can keep a stable clamping state with the clamping hole on the dust collecting piece in the normal state, and the assembly stability between the dust collecting piece and the host machine is ensured. When the button is pressed to enable the lock rod to rotate to an unlocking state, the buckle is separated from the clamping hole, so that a user can easily disassemble the dust collecting piece and the host machine.

9. The support of support module and rack are in the same place detachable assembly, and the user of being convenient for changes filtration module according to the in service behavior, is favorable to rationally reducing user's use cost. The outside of support sets up the elastic sleeve, realizes the sealed cooperation in circumference between support module and the dust collection piece through the elastic sleeve, avoids the cooperation department to leak out and leads to dust absorption air current's intensity to reduce to some extent. In addition, when the filter component is arranged in the dust collecting piece, the elastic sleeve is stressed to deform, so that the supporting acting force of the dust collecting piece on the filter component can be increased, and the structural stability of the filter component when the filter component is arranged in the dust collecting piece can be improved.

Drawings

FIG. 1 is a diagram of a vacuum cleaner according to an embodiment;

FIG. 2 is a block diagram of a main unit of the vacuum cleaner according to the first embodiment;

FIG. 3 is a block diagram showing a filter assembly installed in a dust collecting member in a vacuum cleaner according to an embodiment;

FIG. 4 is a front-rear sectional view of a filter assembly of the vacuum cleaner according to the first embodiment;

FIG. 5 is an exploded view of a filter assembly of a vacuum cleaner according to an embodiment;

FIG. 6 is a block diagram of a positioning sleeve in a vacuum cleaner according to an embodiment;

fig. 7 is a partial construction view of the dust collecting member of the dust collector according to the embodiment when the dust collecting member is assembled to the main unit.

In the figure, 100-host, 110-air inlet, 120-air outlet, 130-positioning boss, 140-machine shell, 141-handle, 142-bulge, 143-rib plate, 150-lock rod, 151-buckle, 160-spring, 170-button, 180-buckle, 191-step, 192-step surface, 200-dust suction fan, 300-dust collecting piece, 310-clamping hole, 320-buckle slot, 400-filter component, 410-filter module, 411-filter screen, 412-frame ring, 4121-ring edge, 4122-convex edge, 420-bracket module, 421-bracket, 422-net rack, 423-lug, 424-screwing buckle, 425-screwing slot, 426-elastic sleeve, 430-positioning opening, 440-positioning sleeve, 441-arc portion, 442-positioning convex rib, 443-positioning surface.

Detailed Description

The utility model will be further described with reference to the drawings and the specific examples. It is to be understood that the terms "upper," "lower," "left," "right," "longitudinal," "transverse," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like, as used herein, are merely based on the orientation or positional relationship shown in the drawings and are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the devices/elements referred to must have or be configured and operated in a particular orientation and therefore should not be construed as limiting the utility model.

Example 1

As shown in fig. 1 to 7, a reliable-use dust collector provided in the first embodiment of the utility model includes a main unit 100, a dust collection fan 200 disposed in the main unit 100, a dust collection member 300 detachably mounted on the front side of the main unit 100, and a filter assembly 400 detachably disposed in the dust collection member 300, wherein the dust collection fan 200 provides suction force to form dust collection airflow flowing through the dust collection member 300, and the main unit 100 is provided with an air inlet 110 through which the dust collection airflow flows and an air outlet 120 through which the dust collection airflow flows. The front wall of the main unit 100 is provided with a positioning boss 130 protruding forward, and the air inlet 110 is provided at the positioning boss 130. The filter assembly 400 comprises a filter module 410 and a bracket module 420 for erecting the filter module 410 in the dust collecting piece 300, wherein a positioning opening 430 matched with the positioning boss 130 is arranged at the rear end of the filter module 410, the positioning boss 130 is embedded into the positioning opening 430 to position the dust collecting piece 300 provided with the filter assembly 400, and a locking structure for locking the dust collecting piece 300 provided with the filter assembly 400 to the host 100 is arranged between the host 100 and the dust collecting piece 300.

When the dust collecting piece and the host machine are assembled, the positioning boss is embedded into the positioning opening, and the dust collecting piece can be subjected to front-back positioning, up-down positioning and left-right positioning through the cooperation of the positioning boss and the positioning opening, so that the dust collecting piece can be stably assembled with the host machine through the locking structure. If the filter assembly is neglected to be installed, the dust collecting piece matched with the host cannot be effectively positioned, the dust collecting piece is easy to separate from the host, the locking structure cannot stably assemble the dust collecting piece on the host, namely, the dust collecting piece and the host cannot be effectively assembled together, and the whole machine cannot work normally. The purpose of avoiding neglected loading of the filter assembly is achieved through a mode that the dust collecting piece of the neglected loading filter assembly cannot be smoothly assembled with the host machine, the use reliability of the whole machine is guaranteed, the mechanical structure for preventing neglected loading of the filter assembly is reasonably simplified, the operation steps that a user installs the filter assembly in the dust collecting piece and assembles the dust collecting piece in the host machine cannot be increased, and the use experience of the user is improved.

In the present embodiment, taking the hand-held cleaner shown in fig. 1 as an example, the dust collecting member 300 adopts a dust cup, the main unit 100 includes a housing 140, the housing 140 includes a left case and a right case fixed together, and the housing 140 is formed with a grip portion 141 for a user to hold. The dust suction fan 200 is disposed in the casing 140, the central portion of the front wall of the casing 140 protrudes forward to form a positioning boss 130, and the air outlet 120 is disposed on the side wall of the casing 140. The dust collection fan 200 comprises a motor and fan blades, and the motor drives the fan blades to rotate to form dust collection airflow.

Referring to fig. 4, 5 and 6, a positioning sleeve 440 is disposed at the rear end of the filter module 410, and the positioning opening 430 is disposed on the positioning sleeve 440, i.e., the positioning opening 430 is formed by the positioning sleeve 440. In this embodiment, the filter module 410 includes a filter 411 and a frame ring 412 disposed at a rear end of the filter 411, and the positioning sleeve 440 is disposed in the frame ring 412. The frame ring 412 is provided with a ring edge 4121 formed by extending backwards, the positioning sleeve 440 is arranged on the inner periphery of the ring edge 4121, the axial matching height between the frame ring 412 and the positioning sleeve 440 is reasonably increased through the ring edge 4121, and the structural stability of the positioning sleeve 440 is improved. Specifically, the positioning sleeve 440 is preferably directly fixed on the inner periphery of the rim 4121 by soft plastic injection molding, so that the positioning sleeve 440 and the frame ring 412 are fixed together, the structural stability of the positioning sleeve 440 is improved, and the number of components of the filtering assembly can be reasonably reduced. To facilitate explanation of the structure of the filter assembly 400, the exploded view of fig. 5 separates the spacer sleeve 440 from the cage ring 412.

In order to prevent the occurrence of an assembly gap between the filter module 410 and the front wall of the main unit 100, which results in a part of unfiltered dust air flow flowing into the interior of the dust suction fan 200 through the assembly gap and the air inlet 110, the positioning sleeve 440 formed by soft plastic injection molding has elasticity, and the rear end of the positioning sleeve 440 protrudes rearward from the frame ring 412. When the dust collecting member 300 is assembled on the main unit 100, the rear end of the positioning sleeve 440 contacts the front wall of the main unit 100, so that the filter module 410 and the main unit 100 are in sealing fit in the front-rear direction, and only the dust collection air flow filtered by the filter module 410 can flow into the dust collection fan 200 through the air inlet 110, thereby ensuring the performance stability of the dust collection fan 200.

In order to reduce the difficulty of embedding the positioning boss 130 into the positioning hole 430 during assembly, the inner diameter of the rear end of the positioning hole 430 increases from front to back, i.e., the rear end of the positioning hole 430 is in a horn shape, so that the positioning boss 130 can be easily embedded into the positioning hole 430. In this embodiment, the rear end of the positioning sleeve 440 is provided with an arc portion 441, so that the inner diameter of the rear end of the positioning opening 430 increases from front to back. When the dust collection member 300 is assembled with the main unit 100, the arc-shaped portion 441 is in sealing contact with the front wall of the main unit 100, so that an assembly gap is avoided between the filter module 410 and the front wall of the main unit 100.

In order to reasonably reduce the contact area between the positioning boss 130 and the inner wall of the positioning hole 430 while the dust collecting member 300 is positioned, the inner wall of the positioning hole 430 is provided with a plurality of positioning ribs 442 distributed at intervals along the circumferential direction, i.e. the inner wall of the positioning sleeve 440 is provided with a plurality of positioning ribs 442 distributed at intervals along the circumferential direction. The positioning boss 130 inserted into the positioning hole 430 is abutted against the positioning rib 442, so that the positioning boss 130 can be easily inserted into or separated from the positioning hole 430. In this embodiment, the positioning rib 442 and the positioning sleeve 440 are integrally formed, and the positioning rib 442 extends along the axial direction of the positioning sleeve 440.

In order to ensure that the dust collecting member 300 can be effectively positioned through the contact between the positioning convex rib 442 and the positioning boss 130, the rear end of the positioning convex rib 442 is provided with a positioning surface 443 capable of being contacted with the side surface of the positioning boss 130, the contact area between the positioning convex rib 442 and the positioning boss 130 is reasonably increased through the positioning surface 443, and the matching stability between the positioning boss 130 and the positioning opening 430 is ensured.

Referring to fig. 5, the holder module 420 includes a holder 421 and a net frame 422 detachably coupled, and the holder 421 and the net frame 422 coupled together clamp the filter module 410, the holder 421 is coupled to the dust collection member 300, and the filter module 410 is installed in the dust collection member 300 through the holder module 420. In this embodiment, the rear end of the net rack 422 is provided with a plurality of protruding blocks 423 distributed along the circumferential direction at intervals, the support 421 is provided with a plurality of screwing buckles 424 distributed along the circumferential direction at intervals and corresponding to the protruding blocks 423 one by one, screwing grooves 425 with one open side and one closed side are formed between the screwing buckles 424 and the support 421, and detachable matching is realized between the net rack 422 and the support 421 through matching of the protruding blocks 423 and the screwing grooves 425. The outer wall of the cage 412 is provided with a ring of radially outwardly projecting ledges 4122, and the ledges 4122 are clamped between the frame 421 and the net mount 422 when the frame 421 and net mount 422 are assembled together.

The support module 420 is still including locating the outside elastic sleeve 426 of support 421, and when filter module 400 was installed in the dust collection piece 300, elastic sleeve 426 contradicted and atress warp with the inner wall of dust collection piece 300, increases the support effort of dust collection piece 300 to support module 420 through elastic sleeve 426, improves the structural stability when filter module 400 installs in the dust collection piece 300, simultaneously, realizes the sealed cooperation in circumference between support module 420 and the dust collection piece 300 through elastic sleeve 426, avoids support module 420 and dust collection piece 300 to leak out between the air and leads to dust absorption air current's intensity to reduce to some extent. The inner ring of the elastic sleeve 426 is provided with a bending part with a single-side cross section approximately in a U shape, and part of the bending part is clamped between the frame ring 412 and the bracket 421, so that stability of clamping the filter module 410 by the bracket module 420 is improved, and an assembly gap between the bracket module 420 and the filter module 410 can be avoided. In this embodiment, the elastic sleeve 426 is directly fixed on the outer portion of the support 421 through the soft plastic injection molding, so that the structural stability of the elastic sleeve 426 is reasonably improved, and the number of components of the filter assembly 400 is also conveniently and reasonably reduced. To facilitate the description of the structure of the filter assembly 400, the exploded view of fig. 5 separates the elastic sleeve 426 from the bracket 421.

Referring to fig. 2, 3 and 7, the locking structure includes a lock lever 150 capable of tilting in the host 100 and a locking hole 310 provided on the dust collecting member 300, the lock lever 150 is provided with a buckle 151, the lock lever 150 has a locking state in which the buckle 151 is locked in the locking hole 310 and an unlocking state in which the buckle 151 is disengaged from the locking hole 310, the host 100 is provided with a spring 160 which abuts against the lock lever 150 to lock the lock lever 150, the host 100 is provided with a button 170 connected to the lock lever 150, and the button 170 is pressed to rotate the lock lever 150 from the locking state to the unlocking state and deform the spring 160 under force. In this embodiment, the lock lever 150 is rotatably disposed in the casing 140 through shaft hole, a part of the casing 140 protrudes forward to form a protruding portion 142, the front end of the lock lever 150 extends into the protruding portion 142, the buckle 151 is disposed at the front end of the lock lever 150, and the protruding portion 142 is provided with a through hole from which the buckle 151 extends. One end of the spring 160 abuts against the rear end of the lock lever 150, and the other end abuts against the rib plate 143 on the inner wall of the casing 140 to achieve positioning. The button 170 protrudes out of the main body 100 and is connected to the rear end of the locking lever 150. Normally, the lock lever 150 is in a locking state where the buckle 151 is matched with the card hole 310 under the interference of the spring 160. When the button 170 is pressed, the lock lever 150 is rotated from the locking state to the unlocking state, so that the buckle 151 is separated from the clamping hole 310, and the dust collection member 300 and the main unit 100 are conveniently detached, and at this time, the spring 160 is compressed under force. After the button 170 is released, the spring 160, which is restored to its deformed state, drives the lock lever 150 to automatically rotate from the unlock state to the lock state. Specifically, the button 170 is integrally formed with the lock lever 150.

Referring to fig. 2 and 3, protruding buckles 180 are provided on the front end of the main unit 100 in the circumferential direction, the protruding buckles 180 are staggered from the buckles 151, and a buckle groove 320 is provided on the rear end of the dust collecting member 300, the buckle groove being engaged with the protruding buckles 180. When the dust collecting member 300 is assembled to the main unit 100, the male buckle 180 is engaged with the buckle groove 320. In this embodiment, one protruding buckle 180 and one buckling groove 320 are respectively provided, the protruding buckle 180 and the buckling 151 are correspondingly distributed up and down, and correspondingly, the buckling hole 310 and the buckling groove 320 are correspondingly distributed up and down.

In order to improve structural stability when the dust collecting member 300 is assembled to the main body 100, the front side of the main body 100 is inserted into the dust collecting member 300 when the dust collecting member 300 is assembled to the main body 100, so that the dust collecting member 300 having the filter assembly 400 mounted therein is positioned with assistance. In this embodiment, the front end of the host 100 is provided with a step portion 191 protruding forward and a step surface 192 located at the rear end of the step portion 191 and located at the outer periphery of the step portion 191, and the positioning boss 130 is located at the center of the step portion 191, so that the height of the step portion 191 is small. When the dust collecting member 300 is assembled to the main unit 100, the step portion 191 is inserted into the rear end of the dust collecting member 300 to allow the dust collecting member 300 to be positioned in an auxiliary manner, and the rear end surface of the dust collecting member 300 is abutted against the step surface 192 to allow the dust collecting member 300 having the filter assembly 400 mounted thereto to be positioned in an omnibearing manner. The stepped portion 191 inserted into the rear end of the dust collecting member 300 may also interfere with the filter assembly 400 to subject the filter assembly 600 to a positioning action, thereby improving the structural stability of the filter assembly 400 when the machine body is in operation. When the filter assembly 400 is neglected to be installed, the cooperation between the step portion 191 and the rear end of the dust collecting member 400 is insufficient to enable the dust collecting member 400 to be effectively positioned because the height of the step portion 191 is small, the dust collecting member 400 is easily separated from the main machine 100, and the machine body cannot be normally used.

In use, the filter assembly 400 is first installed in the dust collecting member 300, and then the dust collecting member 300 and the main body 100 are assembled. During assembly, the positioning boss 130 is embedded into the positioning opening 430 to abut against the positioning convex rib 442, the step portion 191 is inserted into the rear end of the dust collecting piece 300, the rear end face of the dust collecting piece 300 abuts against the step surface 192, the dust collecting piece 300 is effectively positioned through the cooperation of the positioning boss 130 and the positioning opening 430, the cooperation of the step portion 191 and the dust collecting piece 300 and the cooperation of the step surface 192 and the rear end face of the dust collecting piece 300, and meanwhile, the buckle 151 at the front end of the lock rod 150 is clamped into the clamping hole 310, the convex buckle 180 is clamped into the buckling groove 320, and the dust collecting piece 300 and the host 100 are locked.

If the dust collecting member 300 of the neglected loading filter assembly 400 is assembled with the host 100, the step portion 191 is inserted into the rear end of the dust collecting member 300, but the cooperation of the step portion 191 and the dust collecting member 300 is not sufficient to effectively position the dust collecting member 300, the dust collecting member 300 is easily separated from the host 100, the locking structure cannot effectively lock the dust collecting member 300 to the host 100, and the machine body cannot be normally used.

When cleaning the dust collecting member 300, the button 170 is pressed to disengage the catch 151 from the catch hole 310, and then the dust collecting member 300 is detached from the main unit 100, and the filter assembly 400 is removed from the dust collecting member 300.

When the filter module 410 needs to be replaced, the bracket module 420 is disassembled, and when the bracket 421 and the net rack 422 are released from the filter module 410, a new filter module 410 is clamped by the bracket 421 and the net rack 422.

It will be appreciated that the inner diameter of the locating port 430 may also be consistently located.

It will be appreciated that the rear end of the positioning sleeve 440 may be designed in other reasonable shapes such as a tapered shape.

It is understood that the locating surface 443 may be configured as a bevel or a cambered surface.

It is understood that the setting of the positioning surface 443 can be omitted on the premise that the positioning requirement of the dust collecting member 300 is satisfied.

It will be appreciated that the rear end of the screen 411 and the cage ring 412 may be secured together by injection molding.

It is understood that the height of the step 191 may be set to a reasonable size of 3mm, 4mm, 5mm, 6mm, 7mm, etc.

It will be appreciated that the button 170 and the locking lever 150 may be formed separately and then assembled.

It will be appreciated that the specific construction of the suction fan 200 may be referred to as a suction fan in an existing vacuum cleaner.

It will be appreciated that the improved structure of this embodiment is applicable not only to the hand-held cleaner described above and shown in the drawings, but also to other types of cleaners.

Example two

In this embodiment, the positioning sleeve 440 is formed independently, that is, the positioning sleeve 440 is an independent member, and the positioning sleeve 440 formed independently is embedded in the frame ring 412.

Other structures of the second embodiment are the same as those of the first embodiment, and will not be described in detail here.

Example III

In this embodiment, the elastic sleeve 423 is formed independently, that is, the elastic sleeve 423 is an independent member, and the independently formed elastic sleeve 423 is sleeved outside the bracket 421.

Other structures of the third embodiment are the same as those of the first embodiment, and will not be described in detail here.

It will be appreciated that the third embodiment may be combined with the second embodiment.

Example IV

In this embodiment, the positioning sleeve 440 is omitted, and the positioning opening 430 is directly formed by enclosing the rim 4121 of the frame ring 412. At this time, the positioning rib 442 is provided on the inner wall of the rim 4121. Of course, the positioning ribs 442 may be omitted.

In order to realize the sealing fit between the filter module 420 and the front wall of the main machine 100, a ring of sealing ring located at the periphery of the positioning opening 430 may be disposed at the rear end of the frame ring 412, and when the dust collecting member 300 with the filter assembly 400 is assembled with the main machine 100, the sealing ring abuts against the front wall of the main machine 100, so as to avoid the assembly gap between the rear end of the filter module 420 and the front wall of the main machine 100 in the front-rear direction.

Other structures of the fourth embodiment are the same as those of the first embodiment, and will not be described in detail here.

It will be appreciated that the fourth embodiment may be combined with the third embodiment.

In addition to the above preferred embodiments, the present utility model has other embodiments, and various changes and modifications may be made by those skilled in the art without departing from the spirit of the utility model, which shall fall within the scope of the utility model as defined in the appended claims.

Claims (10)

1. The utility model provides a use reliable dust catcher, includes the host computer, locates the dust absorption fan in the host computer, can dismantle the assembly in the dust collection spare of host computer front side and can dismantle the filter component of locating in the dust collection spare, and dust absorption fan provides the suction and forms the dust absorption air current that flows through the dust collection spare, and the host computer is equipped with the fresh air inlet that supplies the dust absorption air current to flow through and supplies the apopore that the dust absorption air current flows out, its characterized in that, the front wall of host computer is equipped with the location boss department that the air inlet locates the location boss, and filter component includes filter module and with filter module frame in the dust collection spare support module, filter module's rear end be equipped with location boss complex locating port, make in the locating boss embedding locating port the dust collection spare that is equipped with filter component receive the location, be equipped with the locking structure that locks the dust collection spare that is equipped with filter component in the host computer between host computer and the dust collection spare.

2. The reliable-use dust collector of claim 1, wherein the inner wall of the positioning opening is provided with a plurality of positioning ribs which are distributed at intervals along the circumferential direction, and the positioning boss embedded in the positioning opening is abutted against the positioning ribs so that the dust collecting part provided with the filter assembly is positioned.

3. The reliable-use dust collector according to claim 2, wherein the rear end of the positioning rib is provided with a positioning surface which can be contacted with the side surface of the positioning boss; and/or the inner diameter of the rear end of the positioning opening increases from front to back.

4. The reliable-use cleaner of claim 1, wherein the rear end of the filter module is provided with a positioning sleeve, and the positioning opening is arranged on the positioning sleeve.

5. The reliable use cleaner of claim 4, wherein the filter module includes a filter screen and a frame ring disposed at a rear end of the filter screen, and the positioning sleeve is disposed in the frame ring.

6. The reliable vacuum cleaner of claim 5, wherein the frame ring is provided with a ring edge extending backwards, and the positioning sleeve is arranged on the inner periphery of the ring edge.

7. The reliable vacuum cleaner of claim 4, wherein the positioning sleeve has elasticity, and a rear end of the positioning sleeve contacts a front wall of the main body when the dust collecting member is assembled to the main body.

8. A reliable use cleaner according to claim 1 wherein the front side of the main unit is embedded in the dust collecting member to assist in positioning the dust collecting member with the filter assembly.

9. The cleaner of claim 1, wherein the locking structure comprises a lock lever rotatably disposed in the main body and a locking hole disposed on the dust collecting member, the lock lever is provided with a buckle, the lock lever has a locking state for locking the buckle in the locking hole and an unlocking state for releasing the buckle from the locking hole, a spring for pushing against the lock lever to lock the lock lever is disposed in the main body, the main body is provided with a button connected to the lock lever, and the button is pressed to rotate the lock lever from the locking state to the unlocking state and deform the spring under force.

10. A reliable use cleaner according to claim 1 wherein the holder module comprises a detachably fitted holder and a net rack, the holder being fitted with the dust collecting member, the holder and net rack fitted together clamping the filter module, the holder being externally provided with an elastic sleeve.