CN220109667U - Wet surface cleaning apparatus and rolling brush driving assembly therefor - Google Patents

Abstract

The utility model relates to a wet surface cleaning device and a rolling brush driving assembly used for the same. The first shell is sleeved with the second shell to form an accommodating cavity, and a first sealing piece is arranged at the joint of the first shell and the second shell. The motor sets up in first casing, and the gearbox sets up in the second casing, and the pivot and the input shaft of gearbox of motor are connected, and the output shaft of gearbox is located the outside that holds the chamber at least partially. The first sealing piece is used for sealing a gap between the first shell and the second shell, and the first shell and the second shell are completely sealed after being connected, so that water inlet damage is avoided. The rolling brush driving assembly can be effectively sealed and waterproof when being completely exposed outside, so that the durability of the rolling brush driving assembly is improved; the missing rolling brush can not cause water inlet damage of the motor, so that the in-situ detection of the rolling brush is not required to be increased forcefully, the operation on electric control is reduced, and the cost is reduced.

Description

Wet surface cleaning apparatus and rolling brush driving assembly therefor

Technical Field

The utility model relates to the technical field of cleaning equipment, in particular to wet surface cleaning equipment and a rolling brush driving assembly used for the same.

Background

Wet surface cleaning apparatuses (e.g., floor washers) generally use water as a cleaning medium, and first spray clean water to an area to be cleaned, rub the area to be cleaned with a rolling brush rotating at a high speed, and at the same time, suck dirt on the floor and dirt on a drum into a sewage bucket by negative pressure adsorption, thereby finally achieving the purpose of cleaning a floor.

Currently, many floor brush motors of wet surface cleaning devices are used in the market in a built-in motor mode, so that the cleaning area of the floor brush can be increased. However, the installation mode of the built-in motor can enable the ground brush motor assembly to be directly exposed to the outside, so that the motor assembly is easier to contact with water, for example, the water entering from the side edge of the rolling brush contacts the motor assembly when the wet surface cleaning equipment is normally used, or the rolling brush is not installed when the wet surface cleaning equipment is self-cleaned, the motor assembly is in direct contact with water through soaking, and the like, and therefore the water entering damage of the motor assembly is caused.

Disclosure of Invention

First, the technical problem to be solved

In view of the above-mentioned shortcomings and drawbacks of the prior art, the present utility model provides a wet surface cleaning apparatus and a rolling brush driving assembly for the same, which solves the technical problem that a motor built in a rolling brush is easy to be damaged by water.

(II) technical scheme

In order to achieve the above object, a roll brush driving assembly for a wet surface cleaning apparatus of the present utility model includes a first housing, a second housing, a motor, and a gearbox;

the first shell is sleeved with the second shell to form a containing cavity in a surrounding mode, and a first sealing piece is arranged at the joint of the first shell and the second shell;

the motor set up in the first casing, the gearbox set up in the second casing, the pivot of motor with the input shaft of gearbox is connected, the output shaft of gearbox is at least partly be located hold the outside in chamber.

Optionally, the first end of the first housing is detachably connected to the first end of the second housing, and/or the first end of the first housing and the first end of the second housing are connected to each other by a clamping structure.

Optionally, the first end of the second casing is sleeved at the first end of the first casing, the first sealing element is arranged at the inner side of the first casing and extends along the inner periphery of the first casing, and the first end of the second casing is sealed and pressed against the first sealing element.

Optionally, the first end of the first shell is provided with a plurality of axially extending connecting plates, the outer surface of the first end of the second shell is provided with a plurality of grooves matched with the connecting plates, and the connecting plates are in one-to-one corresponding abutting connection with the grooves;

the connecting plate is provided with a limiting hole, a limiting protrusion is arranged in the groove, and the limiting protrusion is clamped in the limiting hole.

Optionally, the first seal is a sealing gasket.

Optionally, a first annular groove is formed in the inner wall of the first shell, the first annular groove is close to the first end of the first shell, and the sealing gasket part is arranged in the first annular groove;

and a connecting piece is arranged between the end part of the motor and the gearbox, a first surface of the part, which is positioned outside the first annular groove, of the sealing gasket is abutted with the connecting piece, a second surface of the sealing gasket is abutted with the first end of the second shell, and the first surface and the second surface are a group of opposite surfaces.

Optionally, an end part of the output shaft of the gearbox, which is positioned at the outer side of the accommodating cavity, is in transmission connection with a rolling brush through a rolling brush connecting piece, and the rolling brush connecting piece comprises a body and a plurality of connecting arms;

the body with the output shaft of gearbox is connected, a plurality of the linking arm is followed the circumference of body evenly set up in the surface of body.

Optionally, the end of the free end of the connecting arm is an arc surface, second annular grooves distributed along the circumferential direction of the connecting arm are formed in the connecting arm, and the cross section of each second annular groove is C-shaped.

Optionally, a second seal is provided between one end of the gearbox and an inner surface of the second end of the second housing.

Further, the utility model also provides wet surface cleaning equipment, which comprises a floor brush shell, a roller arranged at the rear side of the floor brush shell, a rolling brush arranged at the front side of the floor brush shell, and a floor brush upper cover arranged at the upper side of the floor brush shell;

the floor brush upper cover is detachably arranged on the floor brush shell, a rolling brush cavity is formed by the floor brush shell and the floor brush upper cover, and at least part of the rolling brush is positioned in the rolling brush cavity;

the inside of round brush is formed with the accommodation space, be provided with above-mentioned round brush drive assembly in the accommodation space, round brush drive assembly with the inner wall of round brush can dismantle the connection.

(III) beneficial effects

The junction of first casing and second casing is provided with first sealing member, and first sealing member is used for sealing the clearance between first casing and the second casing, and the first casing and the second casing of round brush drive assembly are connected the back and are sealed completely, avoid round brush drive assembly to advance water damage. In addition, when the user does not load the rolling brush in misoperation, and the rolling brush driving assembly is completely exposed outside, the rolling brush driving assembly can be effectively sealed and waterproof, so that the durability of the rolling brush driving assembly is improved; in addition, the rolling brush driving assembly is sealed and waterproof, and the missing rolling brush can not cause water inlet damage of the motor, so that in-situ detection of the rolling brush is not required to be increased forcefully, the operation on electric control is reduced, the reliability of products is improved, and the cost is reduced.

Drawings

FIG. 1 is a perspective view of a roll brush drive assembly for a wet surface cleaning apparatus of the present utility model;

FIG. 2 is a front view of a roll brush drive assembly for a wet surface cleaning apparatus of the present utility model;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 3;

fig. 5 is an enlarged view at C in fig. 3.

Fig. 6 is a perspective view of a wet surface cleaning apparatus of the present utility model.

[ reference numerals description ]

1: a first housing; 11: a connecting plate; 12: a limiting hole;

2: a second housing; 21: a groove; 22: a limit protrusion;

3: a motor; 31: a connecting piece;

4: a gearbox;

5: a first seal;

6: a roll brush connector; 61: a body; 62: a connecting arm; 63: a second annular groove;

7: a first annular groove;

8: a second seal;

91: a floor brush housing; 92: a roller; 93: a rolling brush; 94: a floor brush upper cover;

Detailed Description

The utility model will be better explained for understanding by referring to the following detailed description of the embodiments in conjunction with the accompanying drawings. Wherein references herein to "upper", "lower", "etc. are made with reference to the orientation of fig. 3.

While exemplary embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

As shown in fig. 1 to 5, the present utility model provides a roll brush drive assembly for a wet surface cleaning apparatus comprising a first housing 1, a second housing 2, a motor 3 and a gearbox 4. The first casing 1 and the second casing 2 are sleeved and enclosed to form a containing cavity, the motor 3 is arranged in the first casing 1, the gearbox 4 is arranged in the second casing 2, the gear structure of the gearbox 4 is not shown in fig. 3, the motor 3 and the gearbox 4 and the corresponding casings form two independent integers, a complete rolling brush driving assembly structure is formed after the first casing 1 and the second casing 2 are sleeved and connected, a rotating shaft of the motor 3 is connected with an input shaft of the gearbox 4, and an output shaft part of the gearbox 4 extends out of the second casing 2 and is used for being connected with a rolling brush 93. The motor 3 and the gearbox 4 can be separated by disassembling the first casing 1 and the second casing 2 which are connected with each other, so that the maintenance of the rolling brush driving assembly and the replacement of internal parts are facilitated. The junction of first casing 1 and second casing 2 is provided with first sealing member 5, and first sealing member 5 is used for sealing the clearance between first casing 1 and the second casing 2, and the first casing 1 of round brush drive assembly and second casing 2 are connected the back and are sealed completely, avoid round brush drive assembly to advance the water damage. In addition, when the user does not load the rolling brush 93 in misoperation, and the rolling brush driving assembly is completely exposed outside, the rolling brush driving assembly can be effectively sealed and waterproof, and the durability of the rolling brush driving assembly is improved; in addition, the rolling brush driving assembly is sealed and waterproof, and the missing rolling brush 93 can not cause water inlet damage of the motor 3, so that in-situ detection of the rolling brush 93 is not required to be increased forcefully, operation on electric control is reduced, product reliability is improved, and cost is reduced.

Preferably, the first end of the first housing 1 is detachably connected to the first end of the second housing 2 and/or is connected together by a clamping structure.

As shown in fig. 1 to 3, the first end of the second casing 2 is sleeved at the first end of the first casing 1, the first sealing element 5 is arranged at the inner side of the first casing 1 and extends along the inner periphery of the first casing 1, and the first end of the second casing 2 is sealed and pressed on the first sealing element 5, so that a gap between the first casing 1 and the second casing 2 can be sealed through the first sealing element 5, separation of the first casing 1 and the second casing 2 is not affected, and the waterproof performance of the rolling brush driving assembly is improved while the convenience of disassembly is improved.

Specifically, as shown in fig. 3 and 4, the first seal 5 is a seal gasket having a certain elastic deformation amount. The inner wall of the first shell 1 is provided with a first annular groove 7, and the first annular groove 7 is close to the first end of the first shell 1. The outer ring part of the sealing gasket is extruded and contracted and then is arranged in the first annular groove 7, so that a sealing structure is formed between the sealing gasket and the first annular groove 7. The end of the motor 3 is provided with the connecting piece 31 with the gearbox 4 between, the casing of motor 3 is in the same place with the casing butt of gearbox 4 through the connecting piece 31, the first face and the connecting piece 31 butt of the part that sealing washer is located outside the first ring channel 7, the second face is the first end butt of a set of relative face with the second casing 2, namely the first end butt that is located outside the first ring channel 7 sealing washer compresses tightly on the connecting piece 31 of motor 3 through the first end of second casing 2, the gap between the first end of second casing 2 and the first end of first casing 1 seals the lid through sealing washer, avoid water from the gap entering the inside of round brush drive assembly of both.

As shown in fig. 1 to 3, the first end of the first housing 1 is provided with a plurality of connecting plates 11 extending axially from an end surface, the shape of the connecting plates 11 may be various, and the shape of the connecting plates 11 is not limited herein, correspondingly, a plurality of grooves 21 matching with the shape of the connecting plates 11 are formed on the outer surface of the second housing 2 near the first end, and after the first housing 1 and the second housing 2 are sleeved with each other, the connecting plates 11 are in one-to-one abutting connection with the grooves 21. And, set up spacing hole 12 on connecting plate 11, be provided with spacing protruding 22 in the recess 21, spacing protruding 22 joint is in spacing hole 12, improves the stability that first casing 1 and second casing 2 are connected. The first shell 1 and the second shell 2 can be separated by lifting the free end of the connecting plate 11 to enable the limit protrusion 22 to be separated from the limit hole 12, and the disassembly and the assembly are convenient.

As shown in fig. 1 and 3, the end of the output shaft of the gearbox 4 located outside the accommodating cavity is in transmission connection with the rolling brush 93 through the rolling brush connecting piece 6, the rolling brush connecting piece 6 comprises a body 61 and a plurality of connecting arms 62, the body 61 is connected with the part of the output shaft of the gearbox 4 located outside the second casing 2, and the output shaft of the gearbox 4 is in rotary sealing with the second casing 2. The plurality of connecting arms 62 are all connected with the surface of the body 61, and all distribute along the radial direction of the body 61, and the plurality of connecting arms 62 evenly set up along the circumference of the body 61 for can dismantle the connection with the groove type structure that corresponds on the round brush 93 inner wall. The end of the free end of the connecting arm 62 is a cambered surface, the connecting arm 62 is provided with second annular grooves 63 distributed along the circumferential direction of the connecting arm 62, the cross section of the second annular grooves 63 is C-shaped, and the connecting arm 62 can be conveniently and rapidly inserted into a corresponding groove structure on the inner wall of the rolling brush 93 for positioning and mounting.

As shown in fig. 3 and 5, a second sealing member 8 is arranged between the end of the gearbox 4 and the inner surface of the second end of the second casing 2, the second sealing member 8 is preferably a sealing gasket similar to the first sealing member 5, and the second sealing member 8 is pressed on the inner surface of the second end of the second casing 2 through abutting of the end of the gearbox 4, so that a second waterproof structure is formed between the gearbox 4 and the second casing 2, and the waterproof performance of the rolling brush driving assembly is further improved.

Further, the present utility model provides a wet surface cleaning apparatus, which includes a floor brush housing 91, a roller 92 disposed at a rear side of the floor brush housing 91, a roller brush 93 disposed at a front side of the floor brush housing 91, and a floor brush upper cover 94 disposed at an upper side of the floor brush housing 91. Wherein, the upper cover 94 of the ground brush is detachably disposed on the housing 91 of the ground brush, the housing 91 of the ground brush and the upper cover 94 of the ground brush together form a rolling brush cavity, and the rolling brush 93 is at least partially disposed in the rolling brush cavity. The interior of the rolling brush 93 is formed with a receiving space for mounting a rolling brush driving assembly, and a rolling brush connecting piece 6 of the rolling brush driving assembly is detachably connected with the inner wall of the rolling brush 93.

The first sealing piece 5 is arranged at the joint of the first shell 1 and the second shell 2, the first sealing piece 5 is used for sealing a gap between the first shell 1 and the second shell 2, and the first shell 1 and the second shell 2 of the rolling brush driving assembly are completely sealed after being connected, so that the water inlet damage of the rolling brush driving assembly is avoided. In addition, when the user does not load the rolling brush 93 in misoperation, and the rolling brush driving assembly is completely exposed outside, the rolling brush driving assembly can be effectively sealed and waterproof, and the durability of the rolling brush driving assembly is improved; in addition, the rolling brush driving assembly is sealed and waterproof, and the missing rolling brush 93 can not cause water inlet damage of the motor 3, so that in-situ detection of the rolling brush 93 is not required to be increased forcefully, operation on electric control is reduced, product reliability is improved, and cost is reduced.

In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature, which may be in direct contact with the first and second features, or in indirect contact with the first and second features via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is level lower than the second feature.

In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., refer to particular features, structures, materials, or characteristics described in connection with the embodiment or example as being included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the utility model.

Claims (10)

1. A roll brush drive assembly for a wet surface cleaning apparatus, characterized in that the roll brush drive assembly comprises a first housing (1), a second housing (2), a motor (3) and a gearbox (4);

the first shell (1) is sleeved with the second shell (2) to form a containing cavity, and a first sealing piece (5) is arranged at the joint of the first shell (1) and the second shell (2);

the motor (3) is arranged in the first shell (1), the gearbox (4) is arranged in the second shell (2), a rotating shaft of the motor (3) is connected with an input shaft of the gearbox (4), and an output shaft of the gearbox (4) is at least partially positioned outside the accommodating cavity.

2. The rolling brush drive assembly for a wet surface cleaning apparatus according to claim 1, characterized in that the first end of the first housing (1) is detachably connected to the first end of the second housing (2) and/or the first end of the first housing (1) and the first end of the second housing (2) are connected to each other by means of a clamping structure.

3. The rolling brush drive assembly for a wet surface cleaning apparatus according to claim 2, wherein the first end of the second housing (2) is sleeved at the first end of the first housing (1), the first sealing member (5) is disposed inside the first housing (1) and extends along the inner periphery of the first housing (1), and the first end of the second housing (2) is pressed against the first sealing member (5) in a sealing manner.

4. A rolling brush drive assembly for a wet surface cleaning apparatus according to claim 3, characterized in that the first end of the first housing (1) is provided with a plurality of axially extending connection plates (11), the outer surface of the first end of the second housing (2) is provided with a plurality of grooves (21) matching the connection plates (11), the connection plates (11) are in one-to-one abutment with the grooves (21);

limiting holes (12) are formed in the connecting plates (11), limiting protrusions (22) are arranged in the grooves (21), and the limiting protrusions (22) are clamped in the limiting holes (12).

5. A rolling brush drive assembly for a wet surface cleaning apparatus according to claim 3, characterized in that the first seal (5) is a sealing gasket.

6. The rolling brush drive assembly for a wet surface cleaning apparatus according to claim 5, wherein a first annular groove (7) is provided on an inner wall of the first housing (1), the first annular groove (7) being adjacent to a first end of the first housing (1), the sealing washer portion being provided in the first annular groove (7);

a connecting piece (31) is arranged between the end part of the motor (3) and the gearbox (4), a first surface of a part, which is positioned outside the first annular groove (7), of the sealing gasket is abutted with the connecting piece (31), a second surface of the sealing gasket is abutted with the first end of the second shell (2), and the first surface and the second surface are a group of opposite surfaces.

7. A roller brush drive assembly for a wet surface cleaning apparatus according to any one of claims 1-5, characterized in that the end of the output shaft of the gearbox (4) outside the receiving chamber is in driving connection with a roller brush (93) via a roller brush connection (6), the roller brush connection (6) comprising a body (61) and a plurality of connection arms (62);

the body (61) is connected with an output shaft of the gearbox (4), and the plurality of connecting arms (62) are uniformly arranged on the outer surface of the body (61) along the circumferential direction of the body (61).

8. The rolling brush drive assembly for a wet surface cleaning apparatus as claimed in claim 7, wherein an end of the free end of the connection arm (62) is a cambered surface, second annular grooves (63) distributed along a circumferential direction of the connection arm (62) are provided on the connection arm (62), and a cross section of the second annular grooves (63) is C-shaped.

9. A roll brush drive assembly for a wet surface cleaning apparatus according to any one of claims 1-5, characterized in that a second seal (8) is provided between one end of the gearbox (4) and the inner surface of the second end of the second housing (2).

10. A wet surface cleaning device, which is characterized by comprising a ground brush shell (91), a roller (92) arranged at the rear side of the ground brush shell (91), a rolling brush (93) arranged at the front side of the ground brush shell (91), and a ground brush upper cover (94) arranged at the upper side of the ground brush shell (91);

the floor brush upper cover (94) is detachably arranged on the floor brush shell (91), the floor brush shell (91) and the floor brush upper cover (94) form a rolling brush cavity together, and the rolling brush (93) is at least partially positioned in the rolling brush cavity;

a containing space is formed inside the rolling brush (93), and a rolling brush driving assembly according to any one of claims 1-9 is arranged in the containing space, and the rolling brush driving assembly is detachably connected with the inner wall of the rolling brush (93).