CN212546801U - Accessory for dust collector and dust collector - Google Patents

Abstract

The utility model provides an accessory for dust collector and dust collector. The accessory for the dust collector comprises a main body and a brush component which can be slidably sleeved outside the main body, wherein one of the outside of the main body and the inside of the brush component is provided with a positioning structure, the other of the outside of the main body and the inside of the brush component is provided with a fixing structure, and the positioning structure is matched with and fixed on the brush component. Compare with the elasticity fixed knot structure of setting in the brush part outside, fixed knot constructs or location structure hides in the inside of brush part, does not influence the outward appearance, does not influence whole size, and the outward appearance is more small and exquisite.

Description

Accessory for dust collector and dust collector

Technical Field

The utility model relates to a cleaning appliance technical field, concretely relates to annex and dust catcher for dust catcher.

Background

At present, along with the higher and higher requirements of people on cleaning, the functions of the dust collector suitable for sanitary cleaning are more and more refined. In order to adapt to different cleaning surfaces or corners, suction nozzles with different shapes and structures, such as suction nozzles with brushes and suction nozzles without brushes, need to be replaced and disassembled according to different environments frequently in the using process, the replacement and the disassembly are very inconvenient, the time is delayed, meanwhile, different suction nozzles need to be carried with one, and the operation is inconvenient.

To the inconvenient problem of change, general solution is to establish brush slip cover in the suction nozzle outside, pins the suction nozzle and forms the brush suction nozzle through the fixed brush of elastic fixation structure when a position is slided to the brush, is ordinary suction nozzle when slipping away from this position, and chinese patent with application number for CN201920847788.8 discloses a multi-functional flat absorption piece, including flat main part of inhaling, can locate flat anterior brush part of inhaling the main part of inhaling including the cover of sliding around, be equipped with on the brush part for locking brush part sliding state's on flat main part at least one locating component of inhaling, the locating component is the bullet knot, the bullet is detained wholly to be "day" font and through set up a plurality of notches on the brush part and form.

The elastic buckle of the positioning component is exposed outside the brush part for convenient operation, and influences the beauty and the whole size of the flat adsorption piece.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the aesthetic defect that flat absorption piece among the prior art used bullet knot type locating component to lead to provide an annex for the dust catcher, the location structure or the fixed knot structure of annex for the dust catcher hide inside the brush part, do not influence the outward appearance, do not influence the overall dimension, the outward appearance is smaller and more exquisite.

An attachment for a vacuum cleaner, comprising:

a main body;

the brush part is slidably sleeved outside the main body, one of the outside of the main body and the inside of the brush part is provided with a positioning structure, the other of the outside of the main body and the inside of the brush part is provided with a fixing structure, and the positioning structure is matched and fixed with the fixing structure to fix the brush part.

The fixing structure comprises at least one fixing part which is arranged in a protruding mode and a limiting concave part which is formed on the fixing part or between at least two fixing parts;

the positioning structure comprises at least one protruding positioning part, and the positioning part is clamped in the limiting concave part to fix the brush part.

The fixing structure comprises at least two fixing parts, each fixing part comprises a limiting clamping protrusion, and the limiting concave part is formed between the limiting clamping protrusions.

The limiting clamping protrusions are of strip-shaped structures perpendicular to the sliding direction of the brush part.

The limiting clamping protrusion is located on the side wall in the limiting concave portion and comprises a positioning surface, the positioning surface extends obliquely from the bottom end of the limiting clamping protrusion to the top end of the limiting clamping protrusion along the direction far away from the limiting concave portion, the inclination angle alpha is satisfied, and the inclination angle alpha is not less than 60 degrees and not more than 90 degrees.

The fixed part further comprises at least one guide supporting protrusion, one end of the guide supporting protrusion is connected to the connecting end of the limiting clamping protrusion, the other end of the guide supporting protrusion is a movable end which is far away from the limiting concave part and extends, and the extending direction of the movable end is parallel to the sliding direction of the brush part.

The fixing part comprises at least two strip-shaped guide supporting bulges, and the limiting clamping bulges and the guide supporting bulges form at least one limiting groove.

The movable end comprises a first guide surface, the first guide surface extends from the bottom end of the movable end to the top end of the movable end along the direction close to the limiting clamping protrusion in an inclined mode, the inclined angle beta is larger than or equal to 10 degrees and smaller than or equal to 60 degrees.

The positioning part is of a strip-shaped structure parallel to the limiting clamping protrusions.

The positioning portion comprises second guide surfaces on two opposite side surfaces of the brush component in the sliding direction, the second guide surfaces extend from the bottom end of the positioning portion to the top end of the positioning portion in an inclined mode, and the two second guide surfaces are gradually close to each other in the process that the two second guide surfaces extend from the bottom end to the top end of the positioning portion.

The positioning structure comprises two positioning parts, namely a cleaning positioning part and a storage positioning part which are distributed at intervals along the sliding direction of the brush part, the cleaning positioning part or the storage positioning part is clamped in the limiting concave part, and the brush part is fixed at a cleaning position or a storage position.

The inclination angle gamma 1 of the second guide surface of the cleaning positioning part is satisfied, gamma 1 is more than or equal to 10 degrees and is less than or equal to 45 degrees, the inclination angle gamma 2 of the second guide surface of the containing positioning part is satisfied, and gamma 2 is more than or equal to 10 degrees and is less than or equal to 60 degrees.

The accessory for the dust collector comprises three fixing parts which are distributed in a triangular mode, namely a first fixing part, a second fixing part and a third fixing part, wherein the first fixing part and the limiting clamping projection of the second fixing part are located on a straight line, and the distance between the first fixing part and the limiting clamping projection is smaller than the length of the positioning part.

The accessory for the dust collector comprises three fixing parts which are distributed in a triangular shape, namely a first fixing part, a second fixing part and a third fixing part, wherein the limiting clamping bulges of the first fixing part and the second fixing part are positioned on a straight line, and the distance between the limiting clamping bulges and the second fixing part is smaller than the length of the positioning part;

the projection of the limiting clamping projection of the third fixing part on the straight line where the limiting clamping projection of the first fixing part is located falls in the gap between the first fixing part and the second fixing part, and the side wall of the cleaning positioning part facing the containing positioning part comprises a limiting surface;

the limiting surface is matched with the third fixing part or matched with the first fixing part and/or the second fixing part.

Spacing face is followed the bottom of clean location portion is to its top along keeping away from the direction slope extension of location portion accomodates, inclination δ satisfies, and δ is not less than 45 ≤ δ is not more than 90.

The first fixing part and the second fixing part respectively comprise two guide supporting protrusions, the guide supporting protrusions and the limiting clamping protrusions form U-shaped limiting grooves, the third fixing part comprises three guide supporting protrusions, and the guide supporting protrusions and the limiting clamping protrusions form E-shaped limiting grooves.

Brush part inside still includes at least three centers on the support sand grip that the main part distributes, support the sand grip and follow the slip direction of brush part extends, the fixed part sets up the one end of brush part, support the one end of sand grip with the fixed part parallel and level and be equipped with the third spigot surface, the other end is crossed the fixed part to the other end of brush part extends, the third spigot surface is followed the bottom of supporting the sand grip is followed to its top and is close to the direction slope of fixed part extends, and inclination epsilon satisfies, and 10 ≤ epsilon is ≤ 45.

The protruding height of the fixing part and the protruding height of the supporting convex strip are the same as the protruding height of the positioning part.

A dust collector comprises the accessory for the dust collector.

The utility model discloses technical scheme has following advantage:

1. the utility model provides an annex for dust catcher, location structure or fixed knot construct and set up in the inside of brush part, hide location structure or fixed knot structure, do not influence the outward appearance, do not influence the overall dimension, the outward appearance is smaller and more exquisite. The brush part is fixed, the brush part does not need to be installed when in use, and the brush part is detached when not in use. When the brush component is needed to be used, the brush component is fixed through the matching of the positioning structure and the fixing structure, and the installation step is omitted; when the brush member is not required to be used, the brush member is removed or fixed to other positions of the main body, and the disassembly step is omitted.

2. The utility model provides a fixed knot constructs and is equipped with spacing concave part, and location portion card of location structure is established during in the spacing concave part, the brush part is fixed in this position, location portion card is not established during in the spacing concave part, the brush part can the main part outside slides.

3. The utility model provides a fixed knot constructs including two at least fixed parts, simple structure, and the shaping is convenient, and is spacing effectual.

4. The limiting clamping bulge provided by the utility model is of a strip-shaped structure, simple in structure and convenient to form; the limiting clamping protrusions are perpendicular to the sliding direction of the brush part, the whole strip shape has a limiting effect, and the limiting effect is best.

5. The utility model provides a protruding locating surface including the slope of spacing card both made things convenient for the card to establish location portion with fixed the brush part also can not be spacing location portion completely can not leave in the spacing concave part, reduced the friction between location portion and the spacing card is protruding, still avoided the injury of sharp-pointed corner to location portion because setting up of inclined plane. The positioning effect of the positioning part in the limiting concave part is best when the inclination angle is more than or equal to 60 degrees and less than or equal to 90 degrees.

6. The guide support bulge provided by the utility model has the supporting function and reduces the pressure born by the limit clamp bulge; and the positioning part is guided to enter the limiting concave part. The length of the movable end extending out of the limiting clamping protrusion is smaller than that of the limiting clamping protrusion, and the friction force between the overlong guide supporting protrusion and the positioning portion is prevented from increasing. The extending direction of the movable end is parallel to the sliding direction of the brush part, so that the guiding effect is realized.

7. The fixing part provided by the utility model comprises at least two guide supporting bulges, so that the pressure born by the limiting clamp bulges is further relieved, and the supporting effect is more stable; the guiding effect is enhanced.

8. The movable end provided by the utility model comprises the first guide surface, which not only realizes the guiding function, and is convenient for guiding the positioning part into the limiting concave part, and ensures that the positioning part can slide into the limiting concave part more easily; and because of the existence of the inclined first guide surface, the damage of the sharp corner of the movable end to the positioning part is prevented.

9. The utility model provides a location portion is the strip structure parallel with spacing card is protruding, and whole strip structure's lateral part all cooperates with spacing card is protruding, realizes spacing effect, reaches better card and establishes the effect.

10. The utility model provides a location portion includes the second spigot surface, provides the guide effect for location portion moves out from spacing concave part for it is easier to shift out, provides the direction for the brush part slides other positions from fixed position. Both sides of the positioning part comprise second guide surfaces, so that the positioning part can leave the limiting concave part from two directions.

11. The utility model provides a positioning structure which comprises a cleaning positioning part and a containing positioning part, when the cleaning positioning part is clamped in the limiting concave part, the brush part is fixed at the cleaning position, and the brush positioning structure is suitable for occasions needing to use the brush for cleaning; when the containing positioning part is clamped in the limiting concave part, the brush part is fixed at the containing position, and the brush is suitable for occasions where the brush is not needed for cleaning. The brush part does not need to be disassembled and assembled, so that the steps are saved, and convenience is provided for a client to use the dust collector.

12. The utility model provides a clean location portion's second spigot surface's inclination scope is less than the inclination scope of accomodating location portion's second spigot surface, and the pressure when clean location portion gets into spacing concave part is generally relatively big, prevents that the brush part breaks away from the main part very easily.

13. The utility model provides a fixed knot constructs including three fixed part that is triangular distribution, and triangular shape is the most firm, and the effect of card establishing location portion is better.

14. The utility model provides a fixed knot constructs including three fixed part that is triangular distribution, and triangular shape is the most firm, and the effect of card establishing location portion is better. The setting of spacing face prevents that the brush part from taking in the position and switching to when clean the position, because hard too big, leads to the brush part to take off from clean position pine.

15. The limiting surface provided by the utility model extends obliquely, which can prevent the brush part from loosening from the cleaning position due to excessive force when the brush part is switched from the storage position to the cleaning position; but also can prevent the sharp corner from damaging the fixing part.

16. The first fixing part and the second fixing part provided by the utility model form a U-shaped groove, which ensures the guiding and supporting effect and adopts a simple structure at the same time; the third fixed part forms an E-shaped limiting groove, so that a simple structure is adopted while the guiding and supporting effect is ensured.

17. The utility model provides a support sand grip has alleviated because the stress concentration that the existence of convex fixed part and location portion leads to slows down the injury to brush part or main part. The support convex strip is provided with a third guide surface which plays a role in guiding the sliding of the brush component.

18. The utility model provides a fixed part support the convex height of sand grip, with the convex height of location portion is the same, better having alleviated because the stress concentration that the existence of convex fixed part and location portion leads to, more effectual injury to brush part or main part that slows down.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an exploded view of the attachment for a vacuum cleaner according to the present invention;

FIG. 2 is a schematic view of a brush assembly according to the present invention;

FIG. 3 is a cross-sectional view of a brush member of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a schematic view of the body of the present invention;

FIG. 6 is an enlarged view of the portion B of FIG. 5;

FIG. 7 is an enlarged view of section C of FIG. 5;

FIG. 8 is a schematic view of the cleaning position of the brush member of the present invention;

FIG. 9 is a schematic view of a storage position of the brush member according to the present invention;

description of reference numerals:

1-a brush member; 11-supporting ribs; 111-a third guide surface; 2-a body; 3-a fixed structure; 31-a first fixed part; 32-a second fixed part; 33-a third fixation section; 34-limiting clamping convex; 341-a positioning surface; 35-a guide support boss; 351-a first guide surface; 36-a limiting groove; 37-a limiting recess; 4-a positioning structure; 41-cleaning the positioning part; 42-a storage positioning part; 43-a second guide surface; 44-limiting surface.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 9, the present invention provides an attachment for a vacuum cleaner, comprising: main part 2 and brush part 1, brush part 1 slidable cover is established the outside of main part 2. In a general vacuum cleaner accessory, the main body 2 is a tubular structure, and is mostly a flat tubular structure, which is also called flat suction. The brush is switched to be directly used by the flat suction according to different use environments. The common accessory for the dust collector needs to disassemble or assemble the brush part 1 to adapt to different environments, thus delaying time and causing inconvenient use, and different suction nozzles need to be carried along in the cleaning process, thus the operation is inconvenient.

One of the outside of the main body 2 and the inside of the brush part 1 is provided with a positioning structure 4, the other of the outside of the main body and the inside of the brush part 1 is provided with a fixing structure 3, and the positioning structure 4 and the fixing structure 3 are matched to fix the brush part 1.

The inside of the brush part 1 is provided with the positioning structure 4 or the fixing structure 3 for fixing the brush part 1, the appearance of the brush part 1 is not influenced, when the brush part 1 is fixed outside the main body 2, the appearance of the accessory for the dust collector is not influenced, the whole size is not influenced, and the appearance is smaller. Meanwhile, when the brush component 1 needs to be used, the brush component 1 is fixed through the matching of the positioning structure 4 and the fixing structure 3, and the installation step is omitted; when the brush unit 1 is not required to be used, the brush unit 1 is removed or fixed to another position of the main body 2, and the disassembling process is omitted.

The fixing means of the fixing structure 3 and the positioning structure 4 include: the fixing structure 3 comprises a protrusion, the positioning structure 4 comprises a protrusion matched with the fixing structure 3, and the protrusions are clamped with the fixed brush part 1.

As an alternative embodiment, the fixing structure 3 includes a groove or a projection, the positioning structure 4 includes a projection or a groove matching with the fixing structure 3, and the projection is clamped in the groove to fix the brush member 1; however, the arrangement of the grooves results in complex structure, more processing techniques and high cost. Or the lug boss is thickened in order to achieve the effect of smooth movement or fixation of the brush component 1, so that the occupied space is large, and the whole size of the accessory for the dust collector is influenced.

The fixing structure 3 in this embodiment includes at least one fixing portion protruding from the fixing portion, and a limiting recess 37 formed on the fixing portion or between at least two fixing portions; the positioning structure 4 comprises at least one protruding positioning portion, and the positioning portion is clamped in the limiting concave portion 37 to fix the brush component 1.

When the positioning portion of the positioning structure 4 is engaged in the concave limiting portion 37, the brush member 1 is fixed at the position, and when the positioning portion is not engaged in the concave limiting portion 37, the brush member 1 can slide outside the main body 2.

As shown in fig. 1-9, the main body 2 is provided with a positioning structure 4 on the outside, and the brush member 1 is provided with a fixing structure 3 on the inside. Location structure 4 includes at least one protrusion in the outside location portion that sets up of main part 2, fixed knot constructs 3 and includes a protrusion in the fixed part of 1 inside settings of brush part, forms spacing concave part 37 on the fixed part, and spacing concave part 37 is the fixed part end towards the grooved structure that brush part 1 caves in, and grooved structure and the convex shape phase-match of location portion, and spacing concave part 37 can be the grooved structure of opening for triangle-shaped, quadrangle or other shapes. Or, the positioning structure 4 includes at least one positioning portion protruding from the outside of the main body 2, the fixing structure 3 includes at least two fixing portions protruding from the inside of the brush component 1, a limiting concave portion 37 is formed between the at least two fixing portions, and the positioning portion is clamped in the limiting concave portion 37 to fix the brush component 1.

In an alternative embodiment, the brush member 1 is provided with a positioning structure 4 inside, and the main body 2 is provided with a fixing structure 3 outside. The positioning structure 4 comprises at least one positioning part protruding from the inside of the brush component 1, the fixing structure 3 comprises a fixing part protruding from the outside of the main body 2, a limiting concave part 37 is formed on the fixing part, the limiting concave part 37 is a groove-shaped structure with the end face of the fixing part sunken towards the main body 2, the groove-shaped structure is matched with the protruding shape of the positioning part, and the limiting concave part 37 can be a groove-shaped structure with an opening in a triangular shape, a quadrilateral shape or other shapes. Or, the positioning structure 4 includes at least one positioning portion protruding from the inside of the brush component 1, the fixing structure 3 includes at least two fixing portions protruding from the outside of the main body 2, a limiting concave portion 37 is formed between the at least two fixing portions, and the positioning portion is clamped in the limiting concave portion 37 to fix the brush component 1.

The fixing structure 3 comprises at least two fixing parts, the fixing parts comprise limiting clamping protrusions 34, and the limiting concave parts 37 are formed between the limiting clamping protrusions 34.

The shape of the limit concave part 37 formed by at least two limit clamping bulges 34 is matched with the shape of the positioning part. Simple structure, convenient molding and good limiting effect. If fixed knot constructs 3 includes two fixed parts, the protruding 34 parallel arrangement of spacing card of two fixed parts or is arc distribution with the shape matching of location portion. Or the fixing structure 3 comprises at least three fixing parts, and the shape of the limiting concave part 37 formed by the limiting clamping protrusions 34 of the at least three fixing parts is matched with the shape of the positioning part.

The position-limiting protrusions 34 in this embodiment are bar-shaped structures perpendicular to the sliding direction of the brush member 1. The structure is simple, and the forming is convenient; the limiting clamping protrusions 34 are perpendicular to the sliding direction of the brush part 1, the whole strip shape has a limiting effect, and the limiting effect is best.

As shown in fig. 2-4, the side wall of the limiting protrusion 34 located in the limiting concave portion 37 includes a positioning surface 341, the positioning surface 341 extends from the bottom end of the limiting protrusion 34 to the top end thereof in an inclined manner along a direction away from the limiting concave portion 37, and the inclination angle α is satisfied, and is greater than or equal to 60 ° and less than or equal to 90 °. Specifically, the limiting clamping protrusion 34 is convexly arranged inside the brush part 1 or convexly arranged outside the main body 2, the top end of the limiting clamping protrusion 34 is the end part far away from the brush part 1 when the limiting clamping protrusion 34 is arranged inside the brush part 1, or the top end of the limiting clamping protrusion 34 is the end part far away from the main body 2 when the limiting clamping protrusion 34 is arranged outside the main body 2; the bottom of the limit clamping protrusion 34 is the end of the limit clamping protrusion 34 contacting with the inside of the brush part 1 when the brush part 1 is inside, or the bottom of the limit clamping protrusion 34 is the end of the limit clamping protrusion 34 contacting with the main body 2 when the main body 2 is outside.

The inclined positioning surface 341 facilitates the engagement of the positioning portion to fix the brush member 1, and does not completely limit the positioning portion in the limiting recess 37 so as to prevent the positioning portion from leaving, thereby reducing the friction between the positioning portion and the limiting projection 34, and avoiding the damage of sharp corners to the positioning portion due to the inclined surface. The best effect is achieved when the positioning part is positioned in the limiting concave part 37 when the inclination angle is more than or equal to 60 degrees and less than or equal to 90 degrees.

In one embodiment, the inclination angle α of the positioning surface 341 is 60 °, which provides a limiting pressure for the positioning portion to leave from the limiting concave portion 37, and the brush member is not easily moved during use; meanwhile, the positioning part is separated from the limiting concave part 37 to play a guiding role, particularly the brush part is detached or moved, and the difficulty of moving or detaching the brush part is reduced.

As an alternative embodiment, the inclination angle α of the positioning surface 341 may be 90 °, so that a large limiting pressure is provided for the separation of the positioning portion from the limiting recess 37, and the brush member may not be easily moved during use.

In this embodiment, the fixing portion further includes at least one guiding and supporting protrusion 35, one end of the guiding and supporting protrusion 35 is connected to the connecting end of the limiting clamping protrusion 34, the other end of the guiding and supporting protrusion is a movable end extending away from the limiting concave portion 37, and the extending direction of the movable end is parallel to the sliding direction of the brush component 1.

Specifically, when the fixing portion includes one guide supporting protrusion 35, preferably, the connecting end of the guide supporting protrusion 35 is connected to the middle position of the limit snap 34; or the fixing portion includes at least two guide support protrusions 35, and preferably, the connection ends of the two guide support protrusions 35 are connected to the ends of the stopper protrusion 34.

The guide supporting bulge 35 plays a supporting role and reduces the pressure born by the limiting clamping bulge 34; and the guide part also plays a role in guiding the positioning part to enter the limiting concave part 37, and meanwhile, the guide supporting bulge 35 also plays a role in reinforcing the fixing structure 3 and reducing. The length of the movable end extending out of the limiting clamping protrusion 34 is smaller than that of the limiting clamping protrusion 34, so that the friction force between the overlong guide supporting protrusion 35 and the positioning part is prevented from increasing. The extending direction of the movable end is parallel to the sliding direction of the brush part 1 to realize the guiding function.

The fixing portion in this embodiment includes at least two strip-shaped guide supporting protrusions 35, and the limiting clamping protrusion 34 and the guide supporting protrusions 35 form at least one limiting groove 36. The pressure born by the limiting clamp projection 34 is further relieved, and the supporting effect is more stable; the guiding effect is enhanced. Strip-shaped guide supporting protrusions 35 are preferably arranged in parallel, and the guide effect is better.

As shown in fig. 4, the movable end includes a first guiding surface 351, the first guiding surface 351 extends from the bottom end of the movable end to the top end of the movable end along a direction close to the limit protrusion 34, and the inclination angle β satisfies, wherein β is greater than or equal to 10 ° and less than or equal to 60 °. Specifically, the guide support protrusion 35 is protrudingly disposed inside the brush member 1 or protrudingly disposed outside the main body 2, and the top end of the movable end is an end portion away from the brush member 1 when the guide support protrusion 35 is disposed inside the brush member 1, or the top end of the movable end is an end portion away from the main body 2 when the guide support protrusion 35 is disposed outside the main body 2; the bottom end of the free end is the end of the guide support protrusion 35 contacting the inside of the brush part 1 when it is disposed inside the brush part 1, or the bottom end of the free end is the end of the guide support protrusion 35 contacting the main body 2 when it is disposed outside the main body 2.

The first guide surface 351 not only realizes the guide function, and is convenient for guiding the positioning part into the limiting concave part 37, and ensures that the positioning part can slide into the limiting concave part 37 more easily; and because the existence of the inclined first guide surface 351, the injury of the sharp corner of the movable end to the positioning part is prevented.

In one embodiment, the first guide surface 351 is inclined at an angle β of 60 °, so that the positioning portion is guided to move toward the stopper recess 37 during the movement of the brush member, and the force required to move the brush member so that the positioning portion enters the stopper recess 37 is reduced.

As an alternative embodiment, the inclination angle β of the first guide surface 351 may be 10 °, and the force required to move the brush member so that the positioning portion enters the stopper recess 37 is reduced while the positioning portion is guided to move toward the stopper recess 37 during the movement of the brush member. The smaller the inclination angle of the inclination angle β of the first guide surface 351, the better the guiding effect.

The positioning portion in this embodiment is a strip structure parallel to the limiting protrusion 34. The lateral part of the whole strip-shaped structure is matched with the limiting clamping protrusion 34, so that the limiting effect is realized, and a better clamping effect is achieved.

In an alternative embodiment, the positioning portion is a plurality of protrusions that are distributed in parallel with the position-limiting protrusion 34.

The positioning portion in this embodiment includes second guide surfaces 43 on both side surfaces opposite to each other in the sliding direction of the brush member 1, the second guide surfaces 43 extend obliquely from the bottom end to the top end of the positioning portion, and the two second guide surfaces 43 gradually approach each other as they extend from the bottom end to the top end of the positioning portion. Specifically, the positioning part is arranged in the brush part 1 in a protruding manner or arranged outside the main body 2 in a protruding manner, and the top end of the positioning part is the end part far away from the brush part 1 when the positioning part is arranged in the brush part 1 in a protruding manner, or the top end of the positioning part is the end part far away from the main body 2 when the positioning part is arranged outside the main body 2 in a protruding manner; the bottom end of the positioning portion is an end portion which is in contact with the inside of the brush member 1 when the positioning portion is protrudingly provided inside the brush member 1, or the bottom end of the positioning portion is an end portion which is in contact with the main body 2 when the positioning portion is protrudingly provided outside the main body 2.

The second guide surface 43 provides a guide for the movement of the positioning portion out of the retaining recess 37, making the movement easier and providing a guide for the brush member 1 to slide from the fixed position to another position. Both side surfaces of the positioning portion include second guide surfaces 43 so that the positioning portion can leave the stopper recess 37 from both directions.

As shown in fig. 5 to 9, the positioning structure 4 in this embodiment includes two positioning portions, namely a cleaning positioning portion 41 and a storage positioning portion 42, which are distributed at intervals along the sliding direction of the brush member 1, the cleaning positioning portion 41 or the storage positioning portion 42 is engaged in the limiting recess 37, and the brush member 1 is fixed at a cleaning position or a storage position.

When the cleaning positioning part 41 is clamped in the limiting concave part 37, the brush component 1 is fixed at the cleaning position, as shown in fig. 8, and is suitable for occasions needing to use the brush for cleaning; when the housing positioning portion 42 is engaged with the stopper recess 37, the brush member 1 is fixed at the housing position, and as shown in fig. 9, the brush cleaning device is suitable for use in a case where cleaning is not required. The brush part 1 does not need to be disassembled and assembled, so that the steps are saved, and convenience is provided for a client to use the dust collector.

The inclination angle γ 1 of the second guide surface 43 of the cleaning positioning portion 41 in this embodiment is equal to or greater than 10 ° and equal to or less than 45 °, and the inclination angle γ 2 of the second guide surface 43 of the housing positioning portion 42 is equal to or greater than 10 ° and equal to or less than 60 °.

The range of the inclination angle of the second guide surface 43 of the cleaning positioning portion 41 is smaller than the range of the inclination angle of the second guide surface 43 of the housing positioning portion 42, and the pressure when the cleaning positioning portion 41 enters the limit concave portion 37 is generally relatively large, thereby preventing the brush member 1 from being easily separated from the main body 2.

In one embodiment, the inclination angle γ 1 of the second guiding surface 43 of the cleaning positioning portion 41 is 10 °, which provides a guiding function for the brush member to move away from the cleaning position, and reduces the difficulty of moving away.

As an alternative embodiment, the inclination angle γ 1 of the second guiding surface 43 of the cleaning positioning portion 41 may also be 45 °, so as to provide a guiding function for moving the brush member away from the cleaning position, and reduce the difficulty of moving away. The smaller the inclination angle γ 1 of the second guide surface 43 of the cleaning position determining portion 41, the better the guiding function.

In one embodiment, the inclination angle γ 2 of the second guiding surface 43 of the receiving positioning portion 42 is 10 °, which provides a guiding function for moving the brush member away from the receiving position, and reduces the difficulty of moving away.

In an alternative embodiment, the inclination angle γ 2 of the second guide surface 43 of the housing positioning portion 42 may be 60 °, which provides a guide function for moving the brush member away from the housing position, thereby reducing the difficulty of moving the brush member away. The smaller the inclination angle γ 2 of the second guide surface 43 of the housing positioning portion 42, the better the guiding function.

As shown in fig. 2 to 4, the fixing structure 3 includes three fixing portions, namely a first fixing portion 31, a second fixing portion 32 and a third fixing portion 33, which are distributed in a triangular shape, and the limiting protrusions 34 of the first fixing portion 31 and the second fixing portion 32 are located on a straight line. The triangle shape is firmest, and the effect of clamping the positioning part is better. Preferably, the first fixing portion 31, the second fixing portion 32 and the third fixing portion 33 are distributed in an isosceles triangle, the length of the limiting protrusion 34 of the first fixing portion 31 and the second fixing portion 32 is equal, and the length of the limiting protrusion 34 of the third fixing portion 33 is longer than the length of the limiting protrusion 34 of the first fixing portion 31 and the second fixing portion 32.

As shown in fig. 2 to 4, the fixing structure 3 in this embodiment includes three fixing portions distributed in a triangle, which are a first fixing portion 31, a second fixing portion 32 and a third fixing portion 33, and the limiting protrusions 34 of the first fixing portion 31 and the second fixing portion 32 are located on a straight line; the triangle shape is firmest, and the effect of clamping the positioning part is better. In a preferred embodiment, the first fixing portion 31, the second fixing portion 32 and the third fixing portion 33 are distributed in an isosceles triangle, and the length of the limiting protrusion 34 of the third fixing portion 33 is greater than the length of the limiting protrusion 34 of the first fixing portion 31 and the second fixing portion 32. In an alternative embodiment, the first fixing portion 31 and the second fixing portion 32 have the same length of the position-limiting protrusion 34.

The projection of the limiting convex block 34 of the third fixing part 33 on the straight line where the limiting convex block 34 of the first fixing part 31 is located falls in the gap between the first fixing part 31 and the second fixing part 32, and the side wall of the cleaning positioning part 41 facing the accommodating positioning part 42 comprises a limiting surface 44; the limiting surface 44 is matched with the third fixing portion 33, or matched with the first fixing portion 31 and/or the second fixing portion 32. The provision of the stopper surface 44 prevents the brush member 1 from being released from the cleaning position due to excessive force when the brush member 1 is switched from the storage position to the cleaning position.

The limiting surface 44 in this embodiment extends obliquely from the bottom end of the cleaning and positioning portion 41 to the top end thereof along the direction away from the accommodating and positioning portion 42, and the inclination angle δ is satisfied, and δ is not less than 45 degrees and not more than 90 degrees. Not only can prevent the brush component 1 from loosening from the cleaning position due to excessive force when the brush component 1 is switched from the storage position to the cleaning position; but also can prevent the sharp corner from damaging the fixing part.

In one embodiment, the inclination angle δ of the limiting surface 44 is 45 °, so that the brush member 1 is prevented from being loosened from the cleaning position due to excessive force when the brush member 1 is switched from the storage position to the cleaning position.

In an alternative embodiment, the angle δ of the stopper surface 44 may be 90 °, so that the brush member 1 is prevented from being released from the cleaning position by an excessive force when the brush member 1 is switched from the storage position to the cleaning position. The larger the angle of inclination of the limiting surface 44, the better the limiting effect.

The first fixing portion 31 and the second fixing portion 32 in this embodiment each include two guide supporting protrusions 35, two of the guide supporting protrusions 35 and the limiting protrusion 34 form a "U" shaped limiting groove 36, the third fixing portion 33 includes three guide supporting protrusions 35, and three of the guide supporting protrusions 35 and the limiting protrusion 34 form an "E" shaped limiting groove 36. A simple structure is adopted while the guiding and supporting effect is ensured; the strength of the stopper boss 34 is also enhanced.

As an alternative embodiment, the number of the guide support protrusions 35 may be determined according to the length of the stopper protrusion 34, and the longer the stopper protrusion 34 is, the greater the number of the guide support protrusions 35 is.

Brush part 1 is inside still to include at least three around the support sand grip 11 that 2 distributions of main part, support sand grip 11 and follow the slip direction of brush part 1 extends, the fixed part sets up the one end of brush part 1, support sand grip 11 one end with the fixed part parallel and level and be equipped with third spigot surface 111, the other end is crossed the fixed part to the other end of brush part 1 extends, third spigot surface 111 is followed the bottom of supporting sand grip 11 is followed to its top and is followed the direction slope that is close to the fixed part extends, and inclination epsilon satisfies, and 10 ≤ epsilon is ≤ 45.

In one embodiment, the third guide surface 111 has an inclination angle e of 10 deg., and the third guide surface 111 guides the movement of the brush member 1, and the smaller the inclination angle e, the better the guiding.

In an alternative embodiment, the inclination angle ∈ of the third guide surface 111 may be 45 °, and the third guide surface 111 may guide the movement of the brush member 1.

The support ribs 11 alleviate stress concentration caused by the presence of the protruding fixing portions and positioning portions, and alleviate damage to the brush member 1 or the main body 2. The support protrusion 11 is provided with a third guide surface 111 for guiding the sliding of the brush member 1. The top of supporting convex strip 11 is kept away from for supporting convex strip 11 the tip of brush part 1, the bottom of supporting convex strip 11 is the tip with the inside contact of brush part 1.

The protruding height of the fixing portion and the protruding height of the supporting convex strip 11 are the same as the protruding height of the positioning portion. Stress concentration caused by the existence of the convex fixing part and the positioning part is relieved better, and damage to the brush component 1 or the main body 2 is relieved more effectively.

A vacuum cleaner comprises the accessory for the vacuum cleaner, wherein the accessory for the vacuum cleaner comprises a tubular main body 2, and the flat tube is taken as an example in the embodiment, namely, the flat suction is realized. The brush component also comprises a brush component 1 which is sleeved outside the flat sucker in a sliding way. The inside location structure 4 that is equipped with of brush part 1, the flat outside of inhaling is equipped with fixed knot constructs 3, location structure 4 includes at least one protrusion the location portion that brush part 1 set up, fixed knot constructs 3 and includes at least one protrusion the flat fixed part that inhales the outside and set up. Or, the flat outside of inhaling is equipped with location structure 4, brush part 1 is inside to be equipped with fixed knot constructs 3, location structure 4 includes at least one protrusion the flat location portion of inhaling the outside setting, fixed knot constructs 3 and includes at least one protrusion the fixed part that the inside of brush part 1 set up.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (19)

1. An attachment for a vacuum cleaner, comprising:

a main body (2);

brush part (1), slidable cover is established the outside of main part (2), main part (2) outside with be equipped with location structure (4) on both of them of brush part (1) inside, wherein be equipped with fixed knot on both of them constructs (3), location structure (4) with fixed knot constructs (3) cooperation and fixes brush part (1).

2. Attachment for a vacuum cleaner according to claim 1, characterized in that the fixing structure (3) comprises at least one convexly arranged fixing portion, and a limiting recess (37) formed in the fixing portion or between at least two fixing portions;

the positioning structure (4) comprises at least one protruding positioning part, and the positioning part is clamped in the limiting concave part (37) to fix the brush part (1).

3. Attachment for a vacuum cleaner according to claim 2, characterized in that the fixing structure (3) comprises at least two fixing parts, which fixing parts comprise limit catches (34), and that the limit recesses (37) are formed between at least two of the limit catches (34).

4. An attachment for a vacuum cleaner according to claim 3, wherein the stopper projection (34) has a strip-like configuration perpendicular to a sliding direction of the brush member (1).

5. The vacuum cleaner accessory according to claim 3, wherein the side wall of the limiting block protrusion (34) located in the limiting concave part (37) comprises a positioning surface (341), the positioning surface (341) extends obliquely from the bottom end of the limiting block protrusion (34) to the top end thereof along the direction far away from the limiting concave part (37), and the inclination angle α is satisfied and is greater than or equal to 60 ° and less than or equal to 90 °.

6. The attachment for a cleaner as claimed in claim 3, wherein the fixing portion further includes at least one guide support protrusion (35), one end of the guide support protrusion (35) being a connection end connected to the stopper protrusion (34), and the other end being a free end extending away from the stopper recess (37), the extending direction of the free end being parallel to the sliding direction of the brush member (1).

7. An attachment for a vacuum cleaner according to claim 3, wherein the fixing portion comprises at least two bar-shaped guide support protrusions (35), and the stopper protrusion (34) and the guide support protrusions (35) form at least one stopper groove (36).

8. The vacuum cleaner accessory according to claim 6, wherein the movable end comprises a first guide surface (351), the first guide surface (351) extends obliquely from the bottom end of the movable end to the top end of the movable end along the direction close to the limit stop lug (34), and the inclination angle β is satisfied, wherein β is greater than or equal to 10 ° and less than or equal to 60 °.

9. An attachment for a vacuum cleaner according to any of claims 3-8, wherein the positioning portion is in the form of a strip parallel to the limit catch (34).

10. The attachment for a cleaner as claimed in claim 9, wherein the positioning portion includes second guide surfaces (43) on opposite sides of the brush member (1) in the sliding direction, the second guide surfaces (43) extending obliquely from a bottom end to a top end of the positioning portion, the two second guide surfaces (43) gradually approaching each other as they extend from the bottom end to the top end of the positioning portion.

11. The attachment for a vacuum cleaner as claimed in claim 10, wherein the positioning structure (4) comprises two positioning portions, namely a cleaning positioning portion (41) and a storage positioning portion (42) which are distributed at intervals along the sliding direction of the brush member (1), the cleaning positioning portion (41) or the storage positioning portion (42) is engaged in the limiting recess (37), and the brush member (1) is fixed at a cleaning position or a storage position.

12. The attachment for a vacuum cleaner according to claim 11, wherein an inclination angle γ 1 of the second guide surface (43) of the cleaning positioning portion (41) is satisfied, 10 ° ≦ γ 1 ≦ 45 °, and an inclination angle γ 2 of the second guide surface (43) of the housing positioning portion (42) is satisfied, 10 ° ≦ γ 2 ≦ 60 °.

13. Attachment according to claim 3, characterized in that the fastening structure (3) comprises three fastening portions in a triangular arrangement, a first fastening portion (31), a second fastening portion (32) and a third fastening portion (33), the first fastening portion (31) and the second fastening portion (32) having their retaining cams (34) lying in a straight line.

14. Attachment according to claim 11, characterized in that the fixing structure (3) comprises three triangularly distributed fixing portions, namely a first fixing portion (31), a second fixing portion (32) and a third fixing portion (33), the limit stops (34) of the first fixing portion (31) and the second fixing portion (32) being located on a straight line;

the projection of the limiting clamping protrusion (34) of the third fixing part (33) on the straight line where the limiting clamping protrusion (34) of the first fixing part (31) is located falls in a gap between the first fixing part (31) and the second fixing part (32), and the side wall of the cleaning positioning part (41) facing the accommodating positioning part (42) comprises a limiting surface (44);

the limiting surface (44) is matched with the third fixing part (33) or matched with the first fixing part (31) and/or the second fixing part (32).

15. The attachment for a vacuum cleaner as claimed in claim 14, wherein the stopper surface (44) extends obliquely from the bottom end of the cleaning positioning portion (41) to the top end thereof in a direction away from the housing positioning portion (42) at an angle δ satisfying 45 ° ≦ δ ≦ 90 °.

16. The attachment for a vacuum cleaner as claimed in claim 14, wherein the first fixing portion (31) and the second fixing portion (32) each comprise two guide support protrusions (35), two of the guide support protrusions (35) forming a "U" -shaped retaining groove (36) with the retaining projection (34), and the third fixing portion (33) comprises three guide support protrusions (35), three of the guide support protrusions (35) forming an "E" -shaped retaining groove (36) with the retaining projection (34).

17. An attachment for a vacuum cleaner according to any one of claims 2-8, wherein the brush member (1) further comprises at least three support ribs (11) distributed around the main body (2) inside, the support ribs (11) extending in the sliding direction of the brush member (1), the fixing portion being provided at one end of the brush member (1), one end of the support ribs (11) being flush with the fixing portion and being provided with a third guide surface (111), the other end extending beyond the fixing portion to the other end of the brush member (1), the third guide surface (111) extending obliquely from the bottom end of the support ribs (11) to the top end thereof in a direction close to the fixing portion, the angle of inclination ε being such that 10 ° ε ≦ 45 °.

18. The attachment for a vacuum cleaner as claimed in claim 17, wherein the fixing portion and the support rib (11) protrude to the same height as the positioning portion.

19. A vacuum cleaner comprising the vacuum cleaner attachment of any one of claims 1-18.

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