Ground brush with variable extrusion amount and ground washing machine

Abstract

The floor brush comprises a rolling brush (1) and a scraping plate (4), the front end (5) of the scraping plate (4) serves as an extrusion end, a containing part (6) for containing the scraping plate (4) is arranged on the rear side of the rolling brush (1), the containing part (6) is provided with a linear guide structure, the scraping plate (4) is connected with the linear guide structure, and the containing part (6) is provided with a driving part. The driving piece is used for pushing the scraper (4) and linearly moves through the linear guide structure; according to the floor brush with the variable extrusion amount, the linear movement design is adopted, so that the contact angle of the scraping plate relative to the peripheral wall of the rolling brush can be kept, and a technical means is provided for follow-up research on the more appropriate contact angle; the utility model further provides a scrubber which comprises the floor brush.

Description

TECHNICAL FIELD

[0001] The utility model relates to surface cleaning device technical field, specifically is a kind of ground brush and scrubber of variable extrusion amount. BACKGROUND

[0002] Ground brush is the important cleaning function unit of surface cleaning device such as dust collector, scrubber, sweeping robot etc. household cleaning product, and ground brush generally includes roller brush, and when ground brush is configured water outlet part, then wet roller brush can be obtained, so as to be beneficial to obtain more excellent cleaning performance, water outlet part is generally arranged along the axial direction of roller brush and located the circumferential direction of roller brush, when roller brush rotates relative to water outlet part, the liquid supplied by water outlet part moistens the surface of roller brush, and the "water" of water outlet part is only a general term, and the "water" refers to liquid, which can be clean water mixed with detergent or pure clean water.

[0003] Since wet roller brush needs to be cleaned in time, sewage scraping strip is arranged, and the dirt on the outer peripheral wall of roller brush is scraped off and cleaned in time by sewage scraping strip.

[0004] In the prior art, in order to realize that sewage scraping strip can change extrusion degree according to the thickness of roller brush, a cleaning ground brush with variable extrusion amount is designed, which mainly includes scraping plate assembly, water spraying assembly and driving part, the scraping plate assembly includes plate body connected to the water spraying assembly and rotating around the second axis, and the driving part is used to apply force to the scraping plate assembly towards the rotation of the roller brush, so as to drive the plate body to rotate relative to the water spraying assembly to realize the first position and the second position, at present, the extrusion amount is mainly changed in the form of rotation, therefore, the contact angle of scraping plate relative to the outer peripheral wall of roller brush changes greatly, which is not conducive to optimizing the contact angle.

[0005] Therefore, the application provides a ground brush with variable extrusion amount, which adopts linear movement design, so as to be beneficial to keep the contact angle of scraping plate relative to the outer peripheral wall of roller brush, and further provides technical means for subsequent research on more suitable contact angle. UTILITY MODEL CONTENTS

[0006] The utility model solves the technical problem, overcomes the defects of prior art, and provides a ground brush with variable extrusion amount, which adopts linear movement design, so as to be beneficial to keep the contact angle of scraping plate relative to the outer peripheral wall of roller brush, and further provides technical means for subsequent research on more suitable contact angle, and further provides a scrubber comprising the aforementioned ground brush.

[0007] Compared with the prior art, the ground brush with variable extrusion amount has the following advantages:

[0008] Compared with the prior art, the ground brush with variable extrusion amount has the following advantages:

[0009] The present disclosure improves the straight line guide structure of the accommodating portion, the straight line guide structure of the scraper, and the driving element of the accommodating portion, which is used for jacking the scraper and moving linearly through the straight line guide structure.

[0010] In some embodiments, the straight line guide structure includes a straight line sliding groove and a straight line guide protrusion on the scraper, and / or the straight line guide structure includes a straight line guide protrusion and a straight line sliding groove on the scraper.

[0011] In some embodiments, the straight line guide structure includes a column provided on the bottom surface of the accommodating portion, and the scraper is provided with a matching hole / slot that cooperates with the column to guide the linear movement of the scraper to the side of the roller brush.

[0012] In some embodiments, the accommodating portion is provided with a guide interval extending from the rear to the front of the roller brush, and the scraper cooperates with the guide interval.

[0013] In some embodiments, the accommodating portion is provided with a guide interval extending from the rear to the front of the roller brush, and the scraper cooperates with the guide interval.

[0014] In some embodiments, the bottom surface of the accommodating portion is provided with a straight line sliding groove and / or a straight line guide protrusion, the lower surface of the scraper is a plane or is provided with a straight line sliding groove and / or a straight line guide protrusion, and / or the lower surface of the water outlet portion is provided with a straight line sliding groove and / or a straight line guide protrusion, and the upper surface of the scraper is a plane or is provided with a straight line guide protrusion and / or a straight line sliding groove.

[0015] In some embodiments, the straight line guide structure includes a column provided on the bottom surface of the accommodating portion, and the scraper is provided with a matching hole / slot that cooperates with the column to guide the linear movement of the scraper to the side of the roller brush.

[0016] In some embodiments, the water outlet is inserted into the stand, and the stand is used to fix the water outlet.

[0017] In some embodiments, the rear side of the accommodating part is provided with a mounting hole / slot, a push rod and a spring are fitted in the mounting hole / slot, the rear end of the push rod is sleeved with the front end of the spring, the front end of the push rod is provided with an axial limiting part, the front side outlet of the mounting hole / slot is provided with a blocking part, the blocking part is provided with a through hole / slot, the front end of the push rod extends out through the through hole / slot, the axial limiting part and the blocking part can be abutted to axially limit the push rod, the rear side of the mounting hole / slot is provided with a mounting part, the mounting part is sleeved with the rear end of the spring, in the initial state of the scraping plate extrusion, the scraping plate pushes the push rod back to compress the spring, and the axial limiting part and the blocking part are in a separated state.

[0018] In some embodiments, the rear side of the scraping plate is provided with a back plate, and the rear side surface of the back plate can be abutted with the front end of the push rod.

[0019] In some embodiments, the scraping plate adopts an L-shaped structure, the L-shaped structure includes a bottom plate part and the back plate, the bottom plate part is matched with the guide interval, and the back plate is located in a movement space formed between the rear side of the water outlet and the rear side of the accommodating part. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic view of a ground brush with variable extrusion amount.

[0021] Figure 2 It is a three-dimensional schematic view of a ground brush with variable extrusion amount after removing the rolling brush.

[0022] Figure 3 It is a three-dimensional schematic view of a ground brush with variable extrusion amount after further removing the top cover.

[0023] Figure 4 It is a three-dimensional schematic view of a ground brush with variable extrusion amount after further removing the water outlet.

[0024] Figure 5 It is a three-dimensional schematic view of a ground brush with variable extrusion amount after further removing the scraping plate.

[0025] Figure 6 It is a three-dimensional schematic view of a scraping plate.

[0026] Figure 7 It is a top view schematic view of a ground brush with variable extrusion amount.

[0027] Figure 8 It is a A-A direction sectional view schematic view.

[0028] Figure 9 It is Figure 8 It is a A-A direction sectional view schematic view after removing the scraping plate. It is a A-A direction sectional view schematic view after removing the scraping plate.

[0029] The figure mark explanation, 1-rolling brush, 2-water outlet, 3-water outlet hole, 4-scraping plate, 5-front end, 6-holding part, 7-linear guide protrusion, 8-stand, 9-matching hole, 10-guide interval, 11-mounting groove, 12-ejector rod, 13-spring, 14-axial limiting part, 15-stop, 16-back plate, 17-bottom plate part, 18-movement space, 19-upper sealing strip, 20-lower sealing strip, 21-top cover, 22-sealing mouth. DETAILED DESCRIPTION

[0030] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The examples in the following description are only as examples, and other obvious modifications can be thought of by those skilled in the art. The basic principles of the utility model defined in the following description can be applied to other implementation schemes, modification schemes, improvement schemes, equivalent schemes and other technical schemes without departing from the spirit and scope of the utility model.

[0031] Those skilled in the art should understand that in the disclosure of the utility model, the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore the above-mentioned terms cannot be understood as a limitation on the utility model.

[0032] As Figures 1 to 9 It is a kind of extrusion variable floor brush, including rolling brush 1, water outlet 2 and scraping plate 4, water outlet 2 is along the axial extension of rolling brush 1 It is located in the circumferential direction of rolling brush 1, when rolling brush 1 rotates relative to water outlet 2, the liquid supplied by water outlet 2 moistens the surface of rolling brush 1, the front end 5 of scraping plate 4 as extrusion end, floor brush is provided with the holding part 6 of containing scraping plate 4 on the rear side of rolling brush 1, holding part 6 is provided with linear guide structure, scraping plate 4 is connected with linear guide structure, holding part 6 is equipped with driving element, the driving element is used to eject scraping plate 4 and moves linearly through the linear guide structure.

[0033] In some embodiments, as Figure 5 Linear guide structure includes linear guide protrusion 7 and linear sliding groove on scraping plate 4, and linear sliding groove on scraping plate 4 is matched with linear guide protrusion 7.

[0034] Of course, the linear guide structure can also be other structures: for example, the linear guide structure includes linear grooves and linear guide protrusions 7 on the scraper 4, which are matched with the linear grooves; for example, the accommodation part 6 is provided with linear grooves on the two side walls, and the two ends of the scraper 4 serve as linear guide protrusions 7, thereby guiding the two ends of the scraper 4 through the linear grooves on the two side walls; for example, the accommodation part 6 is provided with a guide interval 10 extending from the back to the front of the roller brush 1, and the scraper 4 is matched with the guide interval 10; for example, the accommodation part 6 is provided with a guide interval 10 extending from the back to the front of the roller brush 1, and the scraper 4 is matched with the guide interval 10, and the bottom surface of the accommodation part 6 is provided with linear guide protrusions 7, and the lower surface of the scraper 4 is a plane or is provided with a linear groove correspondingly. Any guide structure suitable for the present disclosure can be applied to the present disclosure.

[0035] Further, as shown in Figure 4 , the linear guide structure includes a column 8 arranged on the bottom surface of the accommodation part 6, and the scraper 4 is provided with a matching hole 9 matched with the column 8, and the column 8 guides the linear movement of the scraper 4 to the side of the roller brush 1 through the matching hole 9. Since the scraper 4 needs to be arranged along the axial direction of the roller brush 1, and the roller brush 1 is relatively long, the foregoing improvement is beneficial to the support and guidance of the scraper 4 and improves the top pressing stability of the scraper 4.

[0036] The matching hole 9 is, for example, a waist-shaped hole, and the matching hole 9 can also be a matching groove.

[0037] In some embodiments, as shown in Figure 8 , 9 , the water outlet part 2 is further included, and the water outlet part 2 is arranged on the accommodation part 6, and the lower surface of the water outlet part 2 and the bottom surface of the accommodation part 6 form the guide interval 10. In this way, the structural integration is improved, and the guide interval 10 is formed at the same time as the water outlet part 2 is installed.

[0038] As shown in Figure 1 , 2 , the floor brush includes a top cover 21 arranged on the upper side of the accommodation part 6.

[0039] Further, as shown in Figure 2 , 8 , 9, the water outlet part 2 is generally arranged vertically and is provided with an arc-shaped matching surface on the side of the roller brush 1, and the arc-shaped matching surface is provided with a water outlet hole 3.

[0040] For the case that the lower side of the water outlet 2 and the bottom of the accommodating portion 6 form the guiding interval 10, the linear guiding structure can be set as follows: the bottom of the accommodating portion 6 is provided with linear sliding grooves and / or linear guiding protrusions 7, the lower side of the scraper 4 is a plane or is correspondingly provided with linear sliding grooves, linear guiding protrusions 7, and / or the lower side of the water outlet 2 is provided with linear sliding grooves and / or linear guiding protrusions 7, and the upper side of the scraper 4 is a plane or is correspondingly provided with linear guiding protrusions 7 and linear sliding grooves. In this way, the reliability is improved, and the top pressing stability of the scraper 4 is also improved.

[0041] Further, the linear guiding structure can also simultaneously set the column 8 to guide the linear movement of the scraper 4 to the side of the rolling brush 1 through the cooperation of the hole 9.

[0042] In particular, in combination with the setting of the column 8, when the water outlet 2 is connected to the accommodating portion 6 from top to bottom, the water outlet 2 is inserted and matched with the column 8, and the column 8 is also used to fix the water outlet 2. In this way, not only the setting of the guiding structure is solved, but also the fixing of the water outlet 2 is solved, thereby further improving the compactness of the structure.

[0043] In some embodiments, as shown in Figure 5 , the accommodating portion 6 is set as an L-shaped slot, and the L-shaped slot is provided with a left side wall and a right side wall at both ends of the rolling brush.

[0044] Further, the accommodating portion 6 of the L-shaped slot is vertically arranged at the rear side of the rolling brush 1.

[0045] The front end portion 5 and the water outlet 2 are sequentially arranged along the rotation direction of the rolling brush 1.

[0046] In some embodiments, as shown in Figure 8 , 9 , the guiding interval 10 is provided with an upper sealing strip 19 and a lower sealing strip 20 at the outlet of the rolling brush 1, and the front end portion 5 of the scraper 4 passes out of the sealing opening 22 formed by the upper sealing strip 19 and the lower sealing strip 20. In this way, although the front end portion 5 of the scraper 4 is movable, dirt is not easy to enter the interior according to the foregoing design, thereby avoiding dirt accumulation.

[0047] Further, the upper sealing strip 19 is elastically arranged at the lower side, and / or the lower sealing strip 20 is elastically arranged at the upper side, and in this example, the upper sealing strip 19 is elastically arranged at the lower side and the lower sealing strip 20 is elastically arranged at the upper side, thereby maintaining good sealing when the front end portion 5 is movable.

[0048] In particular, as shown in Figure 8 , 9As shown, the lower sealing strip 20 includes an end portion arranged upwardly, which is arranged with an interference amount relative to the outer peripheral wall of the roller brush 1. In this way, the upward arrangement and the interference amount are beneficial for the end portion to be inserted into the outer peripheral wall of the roller brush 1 together with the extrusion of the front end portion 5, and then the outer peripheral wall of the roller brush 1 can extrude the lower side of the end portion when the roller brush 1 rotates, so that the end portion can be reliably adhered and sealed to the lower side of the front end portion 5 as much as possible, and the outer peripheral wall of the roller brush 1 cannot extrude the upper sealing strip 19 due to the retraction of the upper sealing strip 19, so that the upper sealing strip 19 and the lower sealing strip 20 form a preferred sealing scheme, which has high reliability in long-term operation of the roller brush 1.

[0049] Preferably, in order to better extrude the end portion, the end portion is arranged as an arc-shaped portion.

[0050] In some embodiments, as shown in Figure 4 , 5 the rear side of the accommodating portion 6 is provided with a mounting groove 11, a top rod 12 and a spring 13 are fitted in the mounting groove 11 to form a driving member, the rear end of the top rod 12 is sleeved with the front end of the spring 13, the front end of the top rod 12 is provided with an axial limiting portion 14, the front side outlet of the mounting groove 11 is provided with a blocking portion 15, the blocking portion 15 is provided with a through groove, the front end of the top rod 12 is extended through the through hole / groove, the axial limiting portion 14 and the blocking portion 15 can abut to axially limit the top rod 12, the rear side of the mounting groove 11 is provided with a mounting portion, which is sleeved with the rear end of the spring 13, in the initial state of extrusion of the scraper 4, the scraper 4 will push the top rod 12 back to compress the spring 13, and the axial limiting portion 14 and the blocking portion 15 are in a separated state. In this way, on the one hand, the scraper 4 is adaptively pushed, and on the other hand, it is beneficial for convenient assembly and reliable structure.

[0051] Of course, the driving member can also be other structures, for example, the mounting groove 11 is changed to a mounting hole. Any driving member suitable for the present disclosure can be applied to the present disclosure.

[0052] Further, as shown in Figure 4 , 6 the rear side of the scraper 4 is provided with a back plate 16, the rear side surface of the back plate 16 can abut with the front end of the top rod 12, so as to reliably push the scraper 4 to move linearly forward.

[0053] As shown in Figure 4 , 6 the scraper 4 adopts an L-shaped structure, which includes a bottom plate portion 17 and the back plate 16, the bottom plate portion 17 is matched with the guide spacing 10, and the back plate 16 is located in the active space 18, which is formed between the rear side of the water outlet portion 2 and the rear side of the accommodating portion 6.

[0054] From the above, in the present disclosure, the scraper 4 and the water outlet 2 can be installed as follows: first, the top rod 12 and the spring 13 are installed in the installation groove 11, and due to the abutting cooperation of the axial limiting portion 14 and the blocking portion 15, the top rod 12 will not be pushed out by the spring 13, then the scraper 4 is installed in the accommodating portion 6, and the hole 9 is matched with the vertical column 8 to be connected in a sleeved manner, so that the back plate 16 is located on the front end side of the top rod 12, then the water outlet 2 is installed from top to bottom, so that the water outlet 2 is connected with the vertical column 8 in a plug-in manner, the vertical column 8 fixes the water outlet 2, so that the guide interval 10 is formed, and the linear guide setting of the scraper 4 is completed. After the foregoing installation is completed, when the roller brush 1 is installed, due to the extrusion of the outer peripheral wall of the roller brush 1, the scraper 4 will move linearly backward, so that the scraper 4 pushes the top rod 12 back to compress the spring 13, and the axial limiting portion 14 and the blocking portion 15 are in a separated state, at this time, it is the initial state of the extrusion of the scraper 4, if the roller brush 1 is new, the position of the scraper 4 can be considered as zero position, with the use and wear of the roller brush 1, the scraper 4 will gradually move forward, and under the action of the spring 13, the front end portion 5 of the scraper 4 can reliably press on the outer peripheral wall of the roller brush 1.

[0055] The present disclosure also provides a scrubber, which comprises a machine body and a floor brush, and the machine body is connected with the floor brush at the lower end.

[0056] In understanding the present disclosure, if necessary, the above structure can refer to other embodiments / appendices Figure 1 It is understood that the above is not repeated here.

[0057] The above is only an embodiment of the present application for illustration, therefore, equivalent changes or modifications made to the structure, features and principles described in the scope of the present application patent protection are included in the scope of the present application patent protection.

Claims

1. A squeegee variable amount of a floor brush, comprising a rolling brush (1) and a squeegee (4), the front end (5) of the squeegee (4) as a squeegee end, characterized in that, The back side of the rolling brush (1) is provided with a containing part (6) containing the scraper (4), the containing part (6) is provided with a linear guide structure, the scraper (4) is connected with the linear guide structure, the containing part (6) is provided with a driving member for jacking the scraper (4) and moving linearly through the linear guide structure.

2. The variable squeeze squeegee of claim 1, wherein, The linear guide structure comprises a linear sliding groove and a linear guide protrusion (7) on the scraper (4), the linear guide protrusion (7) on the scraper (4) is matched with the linear sliding groove, and / or the linear guide structure comprises a linear sliding groove on the scraper (4) and a linear guide protrusion (7), the linear sliding groove on the scraper (4) is matched with the linear guide protrusion (7).

3. The variable displacement floor brush according to claim 1 or 2, wherein The linear guide structure comprises a column (8) arranged on the bottom surface of the containing part (6), the scraper (4) is provided with a matching hole (9) / slot, the matching hole (9) / slot is matched with the column (8), and the column (8) guides the linear movement of the scraper (4) to the side of the rolling brush (1) through the matching hole (9) / slot.

4. The variable displacement floor brush according to claim 1 or 2, wherein The containing part (6) is provided with a guide interval (10) extending from the back to the front of the rolling brush (1), and the scraper (4) is matched with the guide interval (10).

5. The variable squeeze squeegee of claim 4, wherein, The containing part (6) is provided with a guide interval (10) extending from the back to the front of the rolling brush (1), and the scraper (4) is matched with the guide interval (10).

6. The variable squeeze squeegee of claim 5, wherein, The containing part (6) is provided with a guide interval (10) extending from the back to the front of the rolling brush (1), and the scraper (4) is matched with the guide interval (10).

7. The variable squeeze squeegee of claim 6, wherein, The bottom surface of the containing part (6) is provided with a linear sliding groove and / or a linear guide protrusion (7), the lower side of the scraper (4) is a plane or is correspondingly provided with a linear sliding groove, a linear guide protrusion (7), and / or the lower side of the water outlet part (2) is provided with a linear sliding groove and / or a linear guide protrusion (7), and the upper side of the scraper (4) is a plane or is correspondingly provided with a linear guide protrusion (7) and a linear sliding groove.

8. The variable squeeze squeegee of claim 7, wherein, The linear guide structure comprises a column (8) arranged on the bottom surface of the containing part (6), the scraper (4) is provided with a matching hole (9) / slot, the matching hole (9) / slot is matched with the column (8), and the column (8) guides the linear movement of the scraper (4) to the side of the rolling brush (1) through the matching hole (9) / slot.

9. The variable squeeze squeegee of claim 4, wherein, The water outlet part (2) is inserted and matched with the column (8), and the column (8) is used for fixing the water outlet part (2) at the same time.

10. The variable squeeze squeegee of claim 9, wherein, The back side of the containing part (6) is provided with a mounting hole / slot (11), a jacking rod (12) and a spring (13) are matched in the mounting hole / slot (11), the back end of the jacking rod (12) is sleeved with the front end of the spring (13), the front end of the jacking rod (12) is provided with an axial limiting part (14), the front side outlet of the mounting hole / slot (11) is provided with a blocking part (15), the blocking part (15) is provided with a through hole / slot, the front end of the jacking rod (12) extends out through the through hole / slot, the axial limiting part (14) and the blocking part (15) can abut to axially limit the jacking rod (12), the back side of the mounting hole / slot (11) is provided with a mounting part, the mounting part is sleeved with the back end of the spring (13), in the initial state of extrusion of the scraper (4), the scraper (4) jacks back the jacking rod (12) to compress the spring (13), and the axial limiting part (14) and the blocking part (15) are in a separated state. The back side of the scraper (4) is provided with a back plate (16), and the back side of the back plate (16) can abut to the front end of the jacking rod (12).

11. The variable squeeze squeegee of claim 10, wherein, The scraper (4) adopts an L-shaped structure, which comprises a bottom plate part (17) and the back plate (16). The bottom plate part (17) is matched with the guide interval (10), and the back plate (16) is located in the activity space (18) formed between the rear side of the water outlet part (2) and the rear side of the containing part (6).

12. A scrubber, comprising a machine body and a floor brush, the machine body being connected with the floor brush at a lower end thereof, characterized in that, The ground brush adopts the ground brush according to any one of claims 1 to 11.

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