CN216797569U - Surface cleaning device - Google Patents

Abstract

The utility model relates to the technical field of cleaning devices, and provides a surface cleaning device, which has the defect that a sealing ring on a recovery barrel of the existing cleaning device is easy to be damaged due to fatigue, and comprises a machine body with a suction source and a floor brush with a suction port, wherein the machine body is provided with the recovery barrel which is respectively communicated with the suction source and the suction port, the recovery barrel is provided with an air outlet communicated with the suction source, and the air outlet is provided with the sealing ring; the sealing ring comprises a base part connected with the recycling bin and a flanging connected with the base part; the flanging at least comprises two sections, the front and the rear sides of the sealing ring are respectively provided with a front flanging and a rear flanging which extend outwards from the air outlet in the upward direction of the recycling barrel assembly, at least the front flanging is provided with an anti-bending cambered surface from inside to outside, the air outlet is obliquely arranged so that the height of the air outlet is gradually increased from the front flanging to the rear flanging, and the angle range formed by the inclined surface where the air outlet is located and the assembly direction of the recycling barrel is 15-45 degrees, so that the air leakage caused by the buckling deformation of the front flanging towards the air outlet direction is prevented, the cleaning of a user is facilitated, and the production and manufacturing process is simplified.

Description

Surface cleaning device

Technical Field

The utility model relates to the technical field of cleaning devices, in particular to a surface cleaning device.

Background

The existing movable cleaning device, such as a cleaner and a dust collector, adopts a split design between a recycling bin and a host machine so as to facilitate a user to clean garbage in the recycling bin. In order to ensure the sealing performance between the recycling bin and the main body, a sealing ring is usually installed on the recycling bin to seal the connection part of the recycling bin and the main body, so that the suction force of the main body can be completely transmitted into the recycling bin, and the recycling bin can recycle the garbage in the pipeline. However, the structure of the sealing ring on some cleaning machines or dust collectors is unreasonable, so that the sealing ring is stressed backwards in a butt joint with the main machine body in the connection process of the recovery tank and the main machine body, the sealing ring is reversely deformed after being installed and used for a long time, air leakage is caused, the sealing performance between the recovery tank and the main machine body is influenced, and the suction force of the main machine body cannot be completely transmitted into the recovery tank.

In order to solve the above problems, the industry has developed a way of making the front flanging along the installation direction extend towards the air outlet, as shown in fig. 1, because the extending directions of the plurality of flanging are different, on one hand, the sealing of the structure is more complex in the production process; on the other hand, because the turn-ups extends towards the gas outlet in, in the turn-ups opening orientation recycling bin, sewage or the filth in the recycling bin splash into the gap between turn-ups and the sealing washer root easily and be difficult to breed the bacterium, are difficult to clean.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the defects that a sealing ring on a recycling bin of the existing movable cleaning device is complex in production process and difficult to clean are at least partially overcome, and the cleaning device reliable in use is provided, so that the production and manufacturing process of the sealing ring can be simplified, the quick recovery capability of the sealing ring after compression is enhanced, and the service life of the sealing ring is prolonged.

In order to realize the purpose, the utility model is realized by the following technical scheme: a surface cleaning device comprises a machine body with a suction source and a floor brush with a suction port, wherein a recovery barrel is mounted on the machine body and is respectively communicated with the suction source and the suction port, an air outlet communicated with the suction source is formed in the recovery barrel, a sealing ring is arranged at the air outlet, and the sealing ring comprises a base part connected with the recovery barrel and a flanging connected with the base part; the front and rear sides of the sealing ring are respectively provided with a front flanging and a rear flanging in the direction along the assembly direction of the recycling bin, the front flanging and the rear flanging extend outwards from the air outlet, at least the front flanging is provided with an anti-bending cambered surface from inside to outside, the air outlet is obliquely arranged so that the height of the air outlet is gradually increased from the front flanging to the rear flanging, and the angle formed by the inclined surface where the air outlet is located and the assembly direction of the recycling bin is 15-45 degrees.

The further preferable scheme of the utility model is as follows: the base of the sealing ring is provided with an anti-bending bearing part corresponding to the front flanging.

The further preferable scheme of the utility model is as follows: the bearing part is a rib, and the rib extends from the base part of the sealing ring to the forward flanging direction on the outer surface of the sealing ring.

The further preferable scheme of the utility model is as follows: the rib extends from the base of the sealing ring to the tail end of the front flanging.

The further preferable scheme of the utility model is as follows: the rib is equipped with a plurality ofly, is equipped with the sealed clearance that deforms that supplies preceding turn-ups between the rib.

The further preferable scheme of the utility model is as follows: the rib extends to the middle part of the front flanging from the base part of the sealing ring.

The further preferable scheme of the utility model is as follows: the tail end of the front flanging is lower than the root end of the front flanging.

The further preferable scheme of the utility model is as follows: the recycling bin include with the chamber and locate that hold of gas outlet intercommunication hold the filter assembly of intracavity, the sealing washer is located filter assembly is last.

The further preferable scheme of the utility model is as follows: the filter assembly is detachably connected in the accommodating cavity and partially extends out of the air outlet;

the sealing ring is connected with the part of the filtering component extending out of the air outlet.

The further preferable scheme of the utility model is as follows: the filter assembly comprises a bracket and a filter piece fixed in the bracket;

the support part is positioned in the accommodating cavity and connected with the recycling bin, and the support part extends out of the air outlet and is connected with the sealing ring.

In conclusion, the utility model has the following beneficial effects: through all extending to the outside of gas outlet with preceding turn-ups and back turn-ups for the slit between turn-ups and the basal portion is located the outside of air current flow path, can avoid filth or foul solution in the slop pail to get into this slit, and the user also need not just to clean the slit, and because preceding, the extending direction of back turn-ups is the same, can simplify the manufacturing mold processing of sealing washer greatly, improves the uniformity and the stability of sealing washer production. In addition, at least the front flanging is provided with an anti-bending cambered surface from inside to outside, so that on one hand, the front flanging is extruded and deformed towards the tail end (the outer side of the air outlet) of the front flanging in the process of abutting and mounting with a suction source of the machine body, and the front flanging is prevented from being warped and deformed towards the air outlet to cause air leakage; on the other hand, through cambered surface and fuselage butt for the butt joint position is roughly line contact in the installation, can be along with the turn-ups warp and smooth transform removal gradually, prevents that the large tracts of land butt actuation from influencing turn-ups to warp smoothly. In addition, still set up so that the height of gas outlet risees from the turn-ups backward turn-ups gradually through the slope with the gas outlet, and the inclined plane at gas outlet place and the angle range that the recycling bin assembled the direction one-tenth are 15 ~ 45. If the angle is smaller than 15 degrees, an initial stress point on the arc surface of the front flanging of the sealing ring is close to the tail end of the front flanging during installation, but the reaction force in the direction opposite to the assembling direction is greater than the downward pressure when the front flanging is pressed, so that the flanging is easy to warp and deform in the air outlet direction, and a user needs to install the sealing ring with larger force; if the angle is larger than 45 degrees, the reaction force in the direction opposite to the assembling direction is smaller than the downward pressure, but the initial stress point on the front flanging arc surface of the sealing ring is close to the root end of the front flanging during installation, and the effect of the front flanging is poor. In the embodiment, the angle range is controlled to be 15-45 degrees, the hand-in point on the arc surface of the front flanging on the sealing ring is relatively close to the tail end during assembly, and the pressure applied to the hand-in point is perpendicular to the air outlet as much as possible, so that the tighter the flanging is pressed, the better the sealing effect is.

Drawings

FIG. 1 is a schematic diagram of a prior art seal ring;

FIG. 2 is a schematic view of the structure of the cleaning apparatus described in embodiment 1;

FIG. 3 is an exploded view of the recovery tank in example 1;

FIG. 4 is a sectional view of the recovery tank in the assembling direction in embodiment 1;

FIG. 5 is a schematic view of a preferred construction of the seal ring of embodiment 1;

FIG. 6 is a schematic view showing an alternative structure of the seal ring of embodiment 1;

FIG. 7 is a schematic cross-sectional view of the seal ring corresponding to FIG. 6 in the embodiment 1;

FIG. 8 is a schematic structural view of a seal ring according to embodiment 2;

wherein: 100. a body; 110. a source of suction; 200. a floor brush; 210. roller brushing; 220. a suction port; 230. a liquid supply assembly; 300. a recycling bin; 400. a filter assembly; 410. a support; 420. a filter member; 500. a seal ring; 510. a base; 511. a skirt edge; 520. flanging; 521. front flanging; 522. carrying out back flanging; 531. ribs; 532. and (4) a support column.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Example 1:

as shown in fig. 2, a surface cleaning device is shown, which comprises a body 100 and a floor brush 200, wherein the body 100 is hinged with the floor brush 200, a suction source 110 and a recovery bucket 300 are arranged on the body, the suction source 110 on the body is formed by driving blades through a high-speed motor, the recovery bucket 300 is connected with the body through a snap fit, wherein the assembly direction of the recovery bucket 300 is shown as an arrow in the figure; the floor brush is provided with a suction port 220 and a roller brush 210, the suction port 220 is positioned at the rear side of the roller brush 210, the lower end of the recovery barrel 300 is communicated with the suction port 220, and the recovery barrel 300 is provided with an air outlet communicated with a suction source 110. The roller brush 210 is rotated by a motor (not shown) and is rotated to wipe the floor to remove dirt from the floor, and the suction port is used to suck and collect the dirt in the recovery tub 300.

Optionally, the roller brush 210 sweeps the garbage such as debris on the ground toward the suction opening 220 located at the rear side, and sucks the garbage such as debris away through the suction opening.

Preferably, the roller brush 210 is further provided with a scraping strip (not shown in the figure) and a liquid supply assembly 230, the scraping strip is arranged at the rear upper part of the cleaning roller and is in interference fit with the cleaning roller, the liquid supply assembly 230 is used for supplying cleaning liquid to the roller brush or the ground, the roller brush 210 rotates to wipe to carry dirty liquid, and the scraping strip scrapes off the dirty liquid on the roller brush to be sucked by the suction port 220

Specifically, the body 100 is connected with the floor brush 200 through a spherical joint connecting mechanism, so that the body can be freely adjusted in the vertical direction (60-180 degrees) in the process of dragging the floor brush, and can also be inclined at a certain angle relative to the floor brush, namely, can swing left and right (the angle is 0-180 degrees), so that the floor brush can adapt to the dead-angle-free cleaning of various environments, such as furniture bottoms, wall corner gaps and the like. Such spherical joint mechanisms may be replaced by two perpendicular pivot mechanisms to achieve degrees of freedom in two directions, all of which are well known to those skilled in the art and will not be described in detail herein.

In this embodiment, a sealing ring 500 (see fig. 2) is disposed at the air outlet of the recycling bin 300, and the air outlet and the suction source can be in sealed butt joint through the sealing ring 500 to prevent air leakage. The seal ring 500 includes a base portion 510 connected to the bracket 410, and a flange 520 connected to the base portion 510. The exemplary cuff 520 of this embodiment includes four sections, with the four sections of the cuff 520 being connected end to enclose the rectangular outlet. In the assembling direction along the recycling bin 300, the front side and the rear side of the sealing ring are respectively provided with a front flange 521 and a rear flange 522, the front flange 521 and the rear flange 522 both extend outwards from the air outlet, wherein at least the front flange 521 is provided with an anti-bending cambered surface from inside to outside. Meanwhile, the air outlet in the embodiment is of an inclined structure, so that the height of the air outlet is gradually increased from the front flanging to the rear flanging, and the angle theta formed by the inclined surface where the air outlet is located and the assembly direction of the recycling bin is 15-40 degrees

In this embodiment, all extend to the outside of gas outlet through turn-ups before with, for the slit between turn-ups and the basal portion is located the outside of air current flow path, can avoid filth or foul solution in the slop pail to get into this slit, and the user also need not just clean the slit yet, and because the extending direction of preceding, back turn-ups is the same, can simplify the manufacturing mold processing of sealing washer greatly, improves the uniformity and the stability of sealing washer production. In addition, at least the front flanging is provided with an anti-bending cambered surface from inside to outside, so that on one hand, the front flanging is extruded and deformed towards the tail end (the outer side of the air outlet) of the front flanging in the process of abutting and mounting with a suction source of the machine body, and the front flanging is prevented from being warped and deformed towards the air outlet to cause air leakage; on the other hand, through cambered surface and fuselage butt for the butt joint position is roughly line contact in the installation, can be along with the turn-ups warp and smooth transform removal gradually, prevents that the large tracts of land butt actuation from influencing turn-ups to warp smoothly.

In addition, still through setting up the gas outlet slope so that the height of gas outlet rises from preceding turn-ups backward turn-ups gradually, and the inclined plane at gas outlet place and the angle theta scope that the recycling bin assembled the direction and become are 15 ~ 45. If the angle theta is smaller than 15 degrees, an initial stress point on the arc surface of the front flanging of the sealing ring is close to the tail end of the front flanging during installation, but the reaction force in the direction opposite to the assembling direction is greater than the downward pressure when the front flanging is pressed against the arc surface, so that the flanging is easy to warp and deform in the air outlet direction, and a user needs to install the sealing ring with larger force; if the angle theta is larger than 45 degrees, the reaction force in the direction opposite to the assembling direction is smaller than the downward pressure, but the initial stress point on the front flanging arc surface of the sealing ring is close to the root end of the front flanging during installation, and the effect of the front flanging is poor. In the embodiment, the range of the angle theta is controlled to be 15-45 degrees, the hand-in point on the arc surface of the front flanging on the sealing ring is relatively close to the tail end during assembly, and the pressure applied to the hand-in point is perpendicular to the air outlet as much as possible, so that the tighter the flanging is pressed, the better the sealing effect is.

Further, the end of the front flange 521 is lower than the root end of the front flange 521. As shown in fig. 7, the vertical direction is the same as the central axis direction of the fuselage, and the end of the front flange 521 is lower than the root end of the front flange 521 by a distance H. The tail end of the front flanging is lower than the root end of the front flanging, so that in the process of installing the recycling bin, an initial stress point on the arc surface of the front flanging of the sealing ring is closer to the tail end of the front flanging, the front flanging is in butt joint with a suction source of a machine body and is extruded and deformed in the direction of the tail end (the outer side of the air outlet) of the front flanging in the installation process, and the front flanging is better prevented from being warped and deformed towards the direction of the air outlet to cause air leakage.

Further, the base 510 (or the recycling bin 300) is provided with a bending-resistant supporting part corresponding to the front flange 521.

Through setting up the portion of supporting can be by supporting the partial pressure of portion sharing behind the preceding turn-ups compression deformation when the recycling bin assembles to the fuselage, when the recycling bin took out from the fuselage, the portion of supporting also can help the turn-ups to resume fast, so can alleviate the turn-ups and receive the pressure, delays the turn-ups tired degree in the use, improves turn-ups's life and sealed effect.

Further, the bearing portion is a rib 531, and the rib 531 extends from the base portion 510 of the sealing ring to the forward flange 520 on the outer surface of the sealing ring 500 (see fig. 5). It will be appreciated that the ribs 531 may be integrally formed with the flange 520 during injection molding.

In one possible form, the rib extends from the base of the sealing ring to the middle of the front flange. As shown in fig. 6 and 7, the end of the rib 531 extending from the base 510 of the sealing ring to the forward flange 521 is a predetermined distance away from the end of the forward flange 521, i.e., the rib 531 does not extend to the end of the forward flange.

In another possible way, as shown in fig. 5, the ribs 531 extend from the ends of the front flaps 521 to the front edge.

Further, the ribs 531 are provided in plurality, and gaps for sealing deformation of the front flanges are provided between the ribs.

Alternatively, the ribs 531 are staggered to form gaps similar to honeycomb or any other shape.

Preferably, the plurality of ribs 531 are provided, and the plurality of ribs 531 are arranged on the surface of the flange 520 at intervals in the longitudinal direction to equalize the pressure. More specifically, the thickness of a plurality of ribs is decreased progressively from the middle part of the front flanging to the two ends, and the supporting capacity and the restoring capacity of the flanging are further improved in sequence.

Further, the base portion 510 of the sealing ring 500 is further provided with a skirt 511 extending outward, and the rib 531 connects the skirt 511, the base portion 510 and the front flange 521. Therefore, the bending prevention capability of the front flanging is further improved. In fig. 6, both ends of the rib 531 are connected to the middle of the front flange 521 and the middle of the skirt 511, respectively.

The recycling bin 300 in this embodiment includes an accommodating chamber communicating with the air outlet and a filter assembly 400 disposed in the accommodating chamber. The filter assembly 400 is detachably connected to the receiving chamber and partially extends from the air outlet. And the packing 500 is coupled to a portion of the filter assembly 400 extending out of the air outlet. Likewise, the side of the filter element 420 facing the air outlet is an inclined structure matching the air outlet.

Specifically, the filter assembly 400 includes a frame 410 and a filter element 420 secured within the frame 410. The support 410 is a rectangular frame and the filter element 420 is a replaceable filter cartridge. The upper end of the bracket 410 extends out of the air outlet to be fixed with the sealing ring 500, and part of the bracket 410 (located outside the upper end opening) is located in the accommodating cavity and connected with the recycling bin 300.

In the production process of the sealing ring 500 in the embodiment, the support 410 is placed into a mold, and then the sealing ring 500 is directly fixed with the upper port of the support 410 in the cooling forming process through injection molding, so that the assembly process can be saved, the connection part is tight and firm, no gap exists, and the sealing performance is strong. During injection molding of the sealing ring 500, the base 510 is fixedly connected with the upper port of the bracket 410, and the flange 520 is erected on the base 510 and turned to one side.

Example 2:

as shown in fig. 8, there is shown another cleaning device which is reliable in use, and the cleaning device of this embodiment is mainly different from the cleaning device of embodiment 1 in that the abutting portion on the weather strip is implemented by another structure.

The support part in embodiment 2 is a support column 532, and the support column 532 in fig. 6 is a rectangular prism. The lower end of the support column 532 is connected with the base 510, and the upper end of the support column 532 is suspended and has a gap with the end of the flange 520. During sealing, the gap is reduced along with the deformation of the flange 520 until the other end of the support column 532 abuts against the end of the flange 520.

In addition, the supporting column 532 may be disposed on the recycling bin 300, and the same effect can be achieved, and will not be described in detail herein.

The remaining features and structures, except for the differences in the sockets, are referred to in example 1 and will not be described in detail here.

Claims (10)

1. A surface cleaning device comprises a machine body with a suction source and a floor brush with a suction port, wherein a recovery barrel is mounted on the machine body and is respectively communicated with the suction source and the suction port; the front and rear sides of the sealing ring are respectively provided with a front flanging and a rear flanging in the direction along the assembly direction of the recycling bin, the front flanging and the rear flanging extend outwards from the air outlet, at least the front flanging is provided with an anti-bending cambered surface from inside to outside, the air outlet is obliquely arranged so that the height of the air outlet is gradually increased from the front flanging to the rear flanging, and the angle formed by the inclined surface where the air outlet is located and the assembly direction of the recycling bin is 15-45 degrees.

2. The surface cleaning apparatus of claim 1, wherein the base portion of the sealing ring is provided with an anti-buckling abutment portion corresponding to the front flange.

3. The surface cleaning apparatus of claim 2 wherein the abutment portion is a rib extending from the base of the seal ring in a forward flanging direction at the outer surface of the seal ring.

4. A surface cleaning apparatus as claimed in claim 3, characterised in that the ribs extend from the base of the sealing ring to the end of the forward flange.

5. A surface cleaning apparatus as claimed in claim 3, characterised in that the ribs extend from the base of the sealing ring to the middle of the forward flange.

6. A surface cleaning apparatus as claimed in claim 3, characterised in that a plurality of ribs are provided, with gaps between the ribs for deformation of the front bead seal.

7. The surface cleaning device of claim 1, wherein the distal end of the front flange is lower than the root end of the front flange.

8. A surface cleaning apparatus as claimed in any one of claims 1 to 7, wherein the recovery tank includes a receiving chamber communicating with the outlet and a filter assembly disposed in the receiving chamber, the sealing ring being disposed on the filter assembly.

9. The surface cleaning apparatus of claim 8, wherein the filter assembly is removably coupled within the receiving chamber and partially extends from the air outlet;

the sealing ring is connected with the part of the filtering component extending out of the air outlet.

10. A surface cleaning apparatus as claimed in claim 9, characterised in that the filter assembly comprises a holder and a filter element secured in the holder;

the support part is positioned in the accommodating cavity and connected with the recycling bin, and the support part extends out of the air outlet and is connected with the sealing ring.

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