CN113384203A

CN113384203A - Suction port structure of cleaning machine and cleaning machine thereof

Info

Publication number: CN113384203A
Application number: CN202110714670.XA
Authority: CN
Inventors: 周鹏; 李磊
Original assignee: Wuxi Newstart Controls Technology Co ltd
Current assignee: Wuxi Newstart Controls Technology Co ltd
Priority date: 2021-06-26
Filing date: 2021-06-26
Publication date: 2021-09-14

Abstract

The invention discloses a suction port structure of a cleaning machine and the cleaning machine, the cleaning machine comprises a shell, the shell is provided with a scraping strip which can be in interference contact with the ground, the scraping strip is correspondingly matched with the adjacent shell at intervals to form a suction port communicated with a suction channel, wherein a plurality of interval parts which are distributed at intervals are arranged in the suction port and are used for forming a plurality of suction port units which are beneficial to pressure balanced distribution; the invention is beneficial to the balanced distribution of the suction pressure when the suction port performs suction work, and improves the uniformity of the suction effect; meanwhile, the suction opening can be reliably prevented from being blocked by the deformed scraping strip, and the suction function of the cleaning machine is ensured not to be negatively influenced.

Description

Suction port structure of cleaning machine and cleaning machine thereof

Technical Field

The invention belongs to the technical field of cleaning, and particularly relates to a suction port structure of a cleaning machine and the cleaning machine related to the suction port structure.

Background

With the continuous progress and development of science and technology, people also have higher expectations on the living level. Cleaning is an indispensable daily affair in people's life, so the cleaning machine with self-cleaning function also becomes the indispensable daily cleaning tool of people. The existing cleaning machines usually adopt a manual cleaning tool or an electric cleaning machine (such as an electric dust collector or a cleaning robot), obviously, the manual cleaning tool has low cost, needs to consume much manpower and time, and still has heavy cleaning workload, and the electric cleaning machine has single cleaning function (such as an electric dust collector) or is too expensive (such as an existing cleaning robot).

In order to achieve a good balance between cost saving and intelligent convenience, there are currently existing sweeping and mopping all-in-one machines products that are generally cost-effective and have a certain degree of automated cleaning effect, the main cleaning structure of which comprises: adopt round brush motor drive and with the round brush of ground contact, with the suction opening of suction fan intercommunication, suction opening forms the adsorption to ground through suction fan, clears away subaerial rubbish through the adsorption mode. However, the existing suction port structure extends from the left side to the right side of the cleaning device, is long in length, and has the problem of poor uniformity of a suction effect, and the suction port structure generally comprises a scraper bar structure, so that when the cleaning device works actually, the scraper bar is easy to block a suction port after being deformed, and obvious negative effects are caused on the suction function of the cleaning device.

To this end, the applicant wishes to seek technical solutions that improve on the above technical problem.

Disclosure of Invention

In view of the above, the present invention provides a suction port structure of a cleaning machine and a cleaning machine thereof, which is beneficial to the uniform distribution of suction pressure when the suction port performs suction work, and improves the uniformity of a suction effect; meanwhile, the suction opening can be reliably prevented from being blocked by the deformed scraping strip, and the suction function of the cleaning machine is ensured not to be negatively influenced.

The technical scheme adopted by the invention is as follows:

the utility model provides a suction opening structure of cleaning machine, the cleaning machine includes the casing, casing erection joint has the strip of scraping that can contact with ground interference, the strip of scraping corresponds the suction opening that the interval cooperation formed and suction channel intercommunication rather than adjacent casing, wherein, be equipped with a plurality of interval portions that are interval distribution in the suction opening for form and do benefit to a plurality of suction opening units of pressure equilibrium distribution.

The spacer according to the present invention is a structural member having a suction spacing function with respect to the suction port, and the specific shape thereof is not particularly limited.

Preferably, the partition is integrally or separately mounted on the housing or the wiper strip, and extends in a direction facing the suction port along a mounting surface thereof.

Preferably, the spacer comprises a bending surface and/or a flat surface and/or a curved surface.

Preferably, a plurality of flow dividing ribs are arranged at the communication part between the suction port and the suction channel.

Preferably, an outlet side of the suction port unit is located at a diversion inlet side of the diversion rib.

Preferably, the lower end of the wiper strip is mounted to the housing so as to be pivotable relative thereto.

Preferably, a cleaning machine employs the suction port structure as described above.

Preferably, the garbage collector comprises a shell and a rolling brush which can be in rolling contact with the ground, wherein the rear end of the rolling brush is provided with a collection inlet which is arranged correspondingly to the rolling brush, and the collection inlet is communicated with a garbage collection area; a collecting guide surface connected with the collecting inlet is arranged on the shell positioned at the rear end of the rolling brush, and the scraping strip is arranged on one side of the collecting guide surface far away from the rolling brush; the collection guide surface and the scraping strip are correspondingly matched at intervals to form the suction opening.

Preferably, the spacing portion is located on the back of the collection guide surface, and forms the suction port unit in correspondence with the wiper strip; and the collecting guide surface is spaced from the ground.

Preferably, the rolling brush comprises a driving roller which is driven by a driver and is relatively rotatably installed on the shell, and the periphery of the driving roller is coated with a flexible rolling brush for flexibly contacting with the ground; the garbage carried by the rolling contact is collected to the garbage collecting area through the collecting inlet under the rotating action of the flexible rolling brush; and/or removing ground waste through the suction opening.

It should be noted that the floor referred to in the present application refers to any working surface to be cleaned, and the specific embodiment and the shape thereof are not limited in any way.

The application provides a suction port structure communicated with a suction channel and formed by a shell and a scraping strip of a cleaning machine which are correspondingly matched at intervals, and a plurality of interval parts are particularly arranged in the suction port and are correspondingly matched with the scraping strip to form a plurality of suction port units which are distributed at intervals, so that the suction port is obviously beneficial to the balanced distribution of suction pressure when the suction port performs suction work, and the uniformity of a suction effect is improved; simultaneously the interval portion in this application is located the suction opening, and in the cleaning machine working process, when scraping strip and ground interference contact take place deformation, can reliably prevent that the suction opening can not blockked up by the scraping strip of deformation, ensures that the suction function of cleaning machine can not receive negative effects.

When the cleaning machine works actually, when the cleaning machine is driven forwards to clean the ground, the scraping strips deform backwards and interfere with the ground in an interference manner, so that a good water scraping effect (including other liquid garbage) can be realized, and residual water which is not centrifugally adsorbed by the rolling brush is collected after passing through the collection guide surface; when the cleaner is pulled backwards, because the residual water on the ground is basically cleaned up, only less residual water is left at the moment, the scraping strip deforms forwards, the suction opening is reduced, the suction flow rate can be improved, the water film granulation is enhanced, the residual water on the ground can be further sucked, meanwhile, after the caliber of the suction opening is narrowed, the areas of the suction openings on the two sides are reduced, the resistance is increased, the area below the collecting guide surface is unchanged, the main flow channel below the collecting guide surface is favorably formed, the water below the rolling brush is sucked away, and the accelerated cleaning effect of the residual water on the ground is further favorably realized.

Drawings

FIG. 1 is a schematic view of a portion of a cleaning machine according to an embodiment of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a schematic illustration of a partially exploded view of a cleaning machine according to an embodiment of the present invention;

FIG. 4 is a partial sectional view of the structure of a cleaning machine according to an embodiment of the present invention;

FIG. 5 is a schematic view of the structure of the spacer bar according to the embodiment of the present invention;

FIG. 6 is a schematic view showing the installation structure of the spacer bar in the cleaning machine (hidden wiper strip 10 structure) according to the embodiment of the present invention;

FIG. 7 is a schematic view of the installation structure of the flow distribution rib in the cleaning machine (hidden suction port structure) according to the embodiment of the present invention;

FIG. 8 is a schematic view of the construction of a lower wiper strip in accordance with an embodiment of the present invention;

FIG. 9 is a schematic view of the structure of FIG. 8 after being rotated by a certain angle;

fig. 10 is an enlarged view of the structure at B in fig. 9.

Detailed Description

The embodiment of the invention discloses a suction port structure of a cleaning machine, which comprises a shell, wherein the shell is provided with a scraping strip which can be in interference contact with the ground, the scraping strip and the adjacent shell are correspondingly matched at intervals to form a suction port communicated with a suction channel, and a plurality of interval parts which are distributed at intervals are arranged in the suction port and are used for forming a plurality of suction port units which are beneficial to pressure balanced distribution.

The embodiment of the invention also discloses a cleaning machine which adopts the suction port structure.

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all 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.

Referring to fig. 1, 2, 3 and 4, a suction port structure of a cleaning machine includes a housing 1, the housing 1 is mounted and connected with a scraping strip 10 capable of being in interference contact with the ground, the scraping strip 10 is correspondingly and alternately matched with the adjacent housing 1 to form a suction port 30 communicated with a suction channel 20, wherein a plurality of spaced parts 41 are arranged in the suction port 30 for forming a plurality of suction port units beneficial to pressure equalization distribution;

in the present application, the partition 41 is integrally or separately mounted on the housing 1 or the wiper strip 10, and extends along the mounting surface thereof toward the suction port 30; preferably, as further shown in fig. 5 and fig. 6, in order to further facilitate the spacing installation effect in the suction port 30, in the present embodiment, the spacing portion 41 is disposed on the spacing installation bar 42, and the spacing portion 41 specifically adopts a grid spacing sheet, and the grid spacing sheet extends along the spacing installation bar 42 towards the suction port 30, and is fixedly installed on the housing 1 through the spacing installation bar 42; in other embodiments, the spacer 41 may be provided directly on the housing 1 or may be provided on the wiper strip 10 in an integral structure, but the applicant proposes that the spacer 41 be provided on the housing 1 as a preferable configuration in consideration of the material of the wiper strip 10;

preferably, in the present embodiment, the spacer 41 includes a bending surface and/or a flat surface and/or a curved surface; specifically, in the present embodiment, in order to ensure the mounting strength, the spacer portion 41 includes an inclined plane 41a to be mounted and connected to the spacer mounting bar 42 and a straight plane 41b as a spacer body, which are combined to form a bent surface shape;

referring further to fig. 6 and 7 in conjunction with fig. 4, preferably, in the present embodiment, a plurality of flow dividing ribs 50 are disposed at the communication between the suction port 30 and the suction channel 20; the outlet side 30a of the suction port unit is located on the flow dividing inlet side of the flow dividing rib 50; preferably, in order to facilitate ensuring that the water flow is smoothly collected into the suction channel 20, in the present embodiment, the suction channel 20 includes a suction channel opening 21, the length of the suction opening 30 is greater than the length of the suction channel opening 21, and the length of the suction opening 30 and the length of the suction channel opening 21 particularly refer to the length of the cleaning machine in the horizontal direction on the left and right sides (different from the forward and backward directions of the cleaning machine); in order to increase the suction capacity to the floor, in this embodiment the suction opening 30 extends along the left side of the cleaning machine to its right side, the suction channel opening 21 being located at or near the central axis (relative to the left-right direction) of the cleaning machine;

in the present embodiment, each of the diversion ribs 50 includes a diversion rib first end 51 near the suction port 30 and a diversion rib second end 52 near the suction channel port 21, and the diversion rib first end 51 integrally extends to the corresponding diversion rib second end 52; the distance between the first end parts 51 of the adjacent shunting ribs is larger than the distance between the second end parts 52 of the corresponding shunting ribs;

preferably, in this embodiment, the diversion rib 50 is a curved diversion rib piece, in other embodiments, a flat diversion rib piece may be used as the diversion rib, or diversion ribs with other shapes may also be used, or: one part of the shunting ribs are curved shunting ribs, and the other part of the shunting ribs are planar shunting ribs, which are routine technical choices that can be made by a person skilled in the art based on the shunting effect requirement of the shunting ribs, and the embodiment is not specifically explained one by one;

in the present embodiment, the number of the flow dividing ribs 50 may be specifically selected according to the actual length of the suction port 30 and the actual length of the suction channel port 21, which is not particularly limited in the present embodiment, and further preferably, in the present embodiment, the number of the flow dividing ribs 50 may be 3 to 12, and more preferably 3 to 7;

it should be noted that, preferably, in order to facilitate the water flow to smoothly converge into the suction channel 20, in the present embodiment, the areas of the diversion ribs 50 may be different, specifically, the areas of the diversion ribs 50 near the left and right ends are larger than the areas of the diversion ribs 50 near the central axis of the cleaning machine; the connection between the suction port 30 and the suction passage 20 is further provided with flow restricting steps 31 at both sides, respectively.

In the present embodiment, the lower end portion of the wiper strip 10 is relatively swingably attached to the housing 1; as further shown in fig. 8, 9 and 10, it is further preferable that the wiper strip 10 includes a wiper strip body 11 and a wiper strip mounting portion 12 mounted on the housing in the present embodiment, and preferably, in the present embodiment, the wiper strip mounting portion 12 and the wiper strip body 11 are integrally formed by a two-color injection molding process or a soft and hard co-extrusion process, in other embodiments, other process forming manners may also be adopted, which is not particularly limited in this embodiment;

in the present embodiment, the wiper strip body 11 is provided with an upper end 11a of the wiper strip body, a thin-wall section 11b located in the middle, and a lower end 11c of the wiper strip body, which is in interference contact with the ground, connected to the wiper strip mounting portion 12 in a separated or integrated manner, and the lower end 11c of the wiper strip body can swing relative to the upper end 11a of the wiper strip body through the thin-wall section 11 b; further preferably, in the present embodiment, the thickness range of the thin-wall section 11b is 0.3-0.6mm, which is beneficial to the smooth swing of the lower end portion 11c of the bar body; the length range of the lower end part 11c of the scraping bar body is 0.7-2 mm; the interference distance range between the lower end part 11c of the scraping bar body and the ground is 0.5-2mm, the preferable interference distance can ensure that the scraping bar 10 has enough contact surface with the ground, too few contact surfaces can cause the scraping bar to leak water, too many contact surfaces can cause the friction between the cleaning machine and the ground to be too large, the pushing of a user is difficult or the power consumption of the machine is large, and the scraping bar 10 is easy to wear;

it should be noted that the thin-wall section 11b in this embodiment specifically means that the thicknesses of the thin-wall sections 11b are smaller than and adjacent to the thickness of the upper end portion 11a of the wiper strip body and the thickness of the lower end portion 11c of the wiper strip body, and the thin-wall section 11b may be in a concave shape or an arc shape, but may also be in other shapes.

Preferably, in the present embodiment, the lower end portion 11c of the wiper strip body is provided with a plurality of gap portions 11d distributed at intervals, and the arrangement of the gap portions 11d can be beneficial to providing a space when the wiper strip body 11 is in interference contact with the ground, so as to avoid an excessive contact friction force between the wiper strip 10 and the ground;

preferably, in the present embodiment, the wiper strip mounting portion 12 is fixedly mounted on the housing 1 by a fastener (specifically, a screw may be used, and a screw hole 12a is shown in the figure), and may also be mounted on the housing 1 by a snap-fit structure (specifically, a plurality of snap-fit teeth 12b may be used); of course, other known installation manners may also be adopted, and the embodiment is not particularly limited, and these are all routine technical choices that can be made by those skilled in the art based on the content of the present application;

the embodiment also provides a cleaning machine, which adopts the structure of the suction port 30; preferably, also referring to fig. 1, 2, 3 and 4 in combination, in the present embodiment, the cleaning machine includes a housing 1 and a rolling brush 2 capable of rolling contact with the ground, the rolling brush is provided with a collection inlet 3 at the rear end thereof, the collection inlet 3 is communicated with a garbage collection area 4; the housing 1 at the rear end of the roller brush is provided with a collection guide surface 61 connected with the collection inlet 3, and the side of the collection guide surface 61 far away from the roller brush is provided with the scraping strip 10; the collection guide surface 61 is fitted in correspondence with the wiper strip 10 at a spacing to form the suction port 30 as described above; further preferably, the rolling brush 2 comprises a driving roller 2a which is driven by a driver (specifically, a motor) and is relatively rotatably mounted on the housing 1, and the periphery of the driving roller 2a is coated with a flexible rolling brush 2b for flexibly contacting with the ground; the garbage carried by the rolling contact is collected to a garbage collecting area 4 through a collecting inlet 3 under the rotating action of a flexible rolling brush 2 b; meanwhile, residual garbage (mainly including residual water) on the ground is removed through the suction port 30, the suction channel 20 is connected with a suction fan (a known structure, not shown) to form a negative pressure effect on the suction port 30, the garbage is transferred and collected to the garbage collection area 4 through the suction channel 20, the garbage collection area 4 can be arranged independently, or can be in an integral installation structure with the garbage collection area 4 as described above, and the embodiment is not particularly limited;

preferably, the spacing mounting bar 42 is mounted on the back of the collection guide surface 61 to form a suction port unit in correspondence with the wiper strip 10; and the collection guide surface 61 is spaced from the ground, and particularly preferably, the spacing can be set to be 1mm, and in actual operation, the collection guide surface is matched with the flannelette fibers on the flexible rolling brush 2b oppositely, so that the ground garbage with the diameter less than 0.5mm is ensured to be transferred into the garbage collection area 4 by the centrifugal force of the rolling brush;

specifically, the rest of related structures of the cleaning machine in the present application can be directly referred to the related descriptions of the prior application patents CN111588318A, CN 111543892A, and CN112806925A, and the present embodiment is not specifically described, and similar technical effects can be brought by the application of the present embodiment, and those skilled in the art can also apply the flow dividing structure provided in the present embodiment to other various cleaning machines with a suction function, and the present embodiment is not particularly limited thereto; in addition, the cleaning machine may be a hand-held integrated type with a handle, or may be a cleaning robot type without a handle, which is an applicable implementation range of the present application, and the present embodiment is not particularly limited thereto.

The embodiment provides a structure that the shell 1 and the scraping strip 10 of the cleaning machine which are correspondingly matched at intervals form a suction port 30 communicated with a suction channel, and meanwhile, a plurality of interval parts 41 are particularly arranged in the suction port 30 and are correspondingly matched with the scraping strip 10 to form a plurality of suction port units which are distributed at intervals, so that the suction pressure of the suction port 30 during the suction work is obviously favorably and uniformly distributed, and the uniformity of the suction effect is improved; meanwhile, the spacing part 41 in the embodiment is positioned in the suction opening 30, so that when the wiper strip 10 deforms in interference contact with the ground in the working process of the cleaning machine, the suction opening 30 can be reliably prevented from being blocked by the deformed wiper strip 10, and the suction function of the cleaning machine is ensured not to be negatively influenced.

When the cleaning machine of the embodiment is actually operated, and when the cleaning machine is driven forwards to clean the ground, the scraping strip 10 deforms backwards to interfere with the ground in an interference manner, so that a good water scraping effect (including other liquid garbage) can be realized, and residual water which is not centrifugally adsorbed by the rolling brush 2 is collected after passing through the collection guide surface 61; when the cleaner is pulled backwards, because the residual water on the ground is basically cleaned up, only less residual water is left at the moment, the scraping strip 10 deforms forwards, the suction opening 30 is reduced, the suction flow rate can be improved, the water film granulation is enhanced, the residual water on the ground can be further sucked, meanwhile, after the caliber of the suction opening 30 is narrowed, the areas of the suction openings on two sides are reduced, the resistance is increased, the area below the collecting guide surface 61 is unchanged, the main flow channel below the collecting guide surface 61 is favorably formed, the water on the lower part of the rolling brush 2 is sucked away, and the accelerated cleaning effect on the residual water on the ground is further favorably realized.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a suction opening structure of cleaning machine, the cleaning machine includes the casing, its characterized in that, casing erection joint has the strip of scraping that can contact with ground interference, the strip of scraping corresponds the suction opening that the interval cooperation formed and suction channel intercommunication rather than adjacent casing, wherein, be equipped with a plurality of interval portions that are interval distribution in the suction opening for form and do benefit to a plurality of suction opening units of pressure equilibrium distribution.

2. A suction port structure according to claim 1, wherein said partition portion is integrally or separately mounted on said housing or said wiper strip so as to extend in a direction of a mounting face thereof toward said suction port.

3. A suction port structure according to claim 1, wherein the partition includes a bent surface and/or a flat surface and/or a curved surface.

4. A suction port structure according to claim 1, wherein a plurality of flow dividing ribs are provided at a communication between the suction port and the suction passage.

5. The suction port structure according to claim 4, wherein an outlet side of the suction port unit is located at a flow dividing inlet side of the flow dividing rib.

6. A suction port structure according to claim 1, wherein a lower end portion of said wiper strip is relatively swingably mounted on said housing.

7. A cleaning machine characterized by employing a suction port structure as claimed in any one of claims 1 to 6.

8. The cleaning machine as claimed in claim 7, which comprises a housing and a rolling brush which can be in rolling contact with the ground, wherein the rear end of the rolling brush is provided with a collection inlet which is arranged correspondingly, and the collection inlet is communicated with a garbage collection area; a collecting guide surface connected with the collecting inlet is arranged on the shell positioned at the rear end of the rolling brush, and the scraping strip is arranged on one side of the collecting guide surface far away from the rolling brush; the collection guide surface and the scraping strip are correspondingly matched at intervals to form the suction opening.

9. The cleaning machine of claim 7 wherein said spacing portion is located on the back of said collection guide surface and forms said suction port unit in corresponding engagement with said wiper strip; and the collecting guide surface is spaced from the ground.

10. The cleaning machine of claim 7 wherein said roller brush includes a drive roller driven by a driver and relatively rotatably mounted on said housing, said drive roller being peripherally covered by a flexible roller brush for flexible contact with the floor; the garbage carried by the rolling contact is collected to the garbage collecting area through the collecting inlet under the rotating action of the flexible rolling brush; and/or removing ground waste through the suction opening.