CN218419737U - Floor brush - Google Patents

Abstract

The utility model relates to a floor brush, include: the floor brush comprises a floor brush rod, a floor brush head, a connecting piece and a damping mechanism, wherein the floor brush head is hinged to one end of the floor brush rod, the floor brush has a first state and a second state, and when the floor brush is in the first state, the floor brush rod is bent along the length direction of the floor brush head; when the floor brush is in the second state, the floor brush rod is bent along the direction vertical to the length direction of the floor brush head; one end of the connecting piece is rotatably connected with the floor brush head, and the other end of the connecting piece can be used for the floor brush rod to extend into the connecting piece to be hinged with the floor brush head so as to switch the floor brush state; the damping mechanism comprises a positioning structure and a positioning matching structure which are arranged on the floor brush head and the connecting piece, and the positioning structure is in positioning matching with the positioning matching structure so as to keep the floor brush in a first state or a second state. The application provides a scrubbing brush can avoid effectively that the scrubbing brush head rocks around the pin joint between scrubbing brush head and the scrubbing brush pole, leads to the scrubbing brush in the use, and the range that the scrubbing brush head rocked is big, influences user experience's problem.

Description

Floor brush

Technical Field

The utility model relates to a burnisher technical field, concretely relates to scrubbing brush.

Background

A floor brush, which is a common cleaning tool, generally includes a floor brush head and a floor brush rod connected to the floor brush head, and the floor brush head cleans the surface of an object by holding the floor brush rod. In the related art, the floor brush rod is usually fixed to the floor brush head, so that the floor brush can be normally cleaned in some scenes, and is inconvenient to clean in other scenes, such as corners or gaps.

In order to solve the above problems, related researchers have tried to arrange the ground brush rod to be movably connected with the ground brush head so as to adapt to different cleaning scenes by adjusting the relative position of the ground brush head and the ground brush rod. However, long-term use discovers that when the relative position of the ground brush head and the ground brush rod is adjusted, the ground brush head needs to be manually and directly contacted and force is applied to the ground brush head, so that the adjustment of the position of the ground brush head relative to the ground brush rod is inconvenient, and in the using process, the shaking amplitude of the ground brush head is large, and the user experience is influenced.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the artifical direct contact scrubbing head of needs among the prior art and leading to adjusting the position of the scrubbing head convenient enough and the range that the scrubbing head rocked is great in the use, influences user experience's defect to a scrubbing brush is provided.

In order to solve the above problem, the utility model provides a floor brush, include:

a floor brush bar;

the floor brush head is hinged to one end of the floor brush rod so that the floor brush has a first state and a second state, and when the floor brush is in the first state, the floor brush rod is bent along the length direction of the floor brush head; when the floor brush is in a second state, the floor brush rod is bent along the direction vertical to the length direction of the floor brush head;

the connecting piece is connected with the floor brush head in a rotating mode, and the floor brush rod can extend into the connecting piece and is hinged with the floor brush head at the other end of the connecting piece so as to enable the floor brush to be switched between the first state and the second state through rotating the connecting piece and/or the floor brush rod;

the damping mechanism comprises a positioning structure and a positioning matching structure, one of the positioning structure and the positioning matching structure is arranged on the floor brush head, the other one of the positioning structure and the positioning matching structure is arranged on the connecting piece, and the positioning structure is in positioning matching with the positioning matching structure so that the floor brush is kept in the first state or the second state.

Optionally, the connecting member includes a main body portion and a bending portion deviating from a central axis of the main body portion;

the main body part is rotationally connected with the floor brush head, and the positioning matching structure or the positioning structure is arranged on the main body part; the bending part is sleeved outside the ground brush rod.

Optionally, at least one of the mating faces of the positioning structure and the positioning mating structure is configured as a friction face, such that the positioning structure and the positioning mating structure hold the floor brush in the first state or the second state by a static friction force generated by the friction face.

Optionally, the positioning structure comprises a positioning boss or a positioning groove;

the positioning matching structure comprises an elastic matching mechanism, and the elastic matching mechanism is matched with the positioning boss or the positioning groove;

when the floor brush is in the first state or the second state, the elastic matching mechanism is abutted against the positioning boss or the positioning groove under the action of elastic force; when the state of the floor brush is switched, the elastic matching mechanism is driven to overcome the elasticity and move out of the positioning boss or the positioning groove.

Optionally, the resilient fit mechanism is an elastic material.

Optionally, the elastic matching mechanism comprises an elastic component and a positioning matching piece, and the elastic component is suitable for applying elastic force to the positioning matching piece so as to enable the positioning matching piece to be retained and limited on the positioning boss or the positioning groove.

Optionally, the positioning and fitting piece is provided with a positioning and fitting groove adapted to be fitted with the positioning boss, or a positioning and fitting protrusion adapted to be fitted with the positioning groove.

Optionally, the floor brush head comprises a brush head seat and a bottom cover which are detachably connected, the brush head seat is rotatably connected with the connecting piece, and the bottom cover is hinged with the floor brush rod; one of the positioning matching structure and the positioning structure is arranged on the bottom cover, and the other one is arranged on the connecting piece.

Optionally, the positioning structure is disposed on the bottom cover, and the positioning structure passes through the brush head seat to be matched with the positioning structure.

Optionally, the bottom cover is further fixedly provided with a connecting seat suitable for being hinged to the floor brush rod, and the positioning structure further comprises an annular supporting step fixedly arranged on the circumferential direction of the bottom of the connecting seat;

the positioning structure comprises a plurality of positioning bosses or positioning grooves which are arranged on the annular supporting step at intervals along the circumferential direction; and/or the presence of a gas in the gas,

the lower end of the positioning matching structure is abutted to the upper part of the annular supporting step, and a positioning matching groove or a positioning matching bulge is formed.

Optionally, when the floor brush comprises a resilient assembly and a positioning fitting, the resilient assembly comprises:

an elastic member;

the mount pad has the installation cavity in, the elastic component sets up in the installation cavity, the mount pad is established on the connecting piece, elastic component one end butt is in on the roof of mount pad, the other end butt is in on the location fitting piece.

Optionally, the mounting seat is clamped and limited on the connecting piece, and the brush head seat is rotatably connected with the connecting piece through the mounting seat.

Optionally, the mount includes:

an installation part;

the first limiting connecting part is arranged on the mounting part and is suitable for being connected with the connecting piece in a clamping manner;

the second limiting connecting part is arranged below the mounting part and supported and limited at the bottom of the brush head seat, and the second limiting connecting part and the brush head seat form limiting in the vertical direction and can rotate relatively freely in the horizontal direction;

when the mounting seat, the connecting piece and the brush head seat are in an assembled state, the first limiting connecting portion is clamped on the connecting piece, the second limiting connecting portion supports and limits one end, far away from the connecting piece, of the brush head seat, the second limiting connecting portion and the connecting piece limit the brush head seat in the vertical direction, and the brush head seat and the connecting piece can rotate freely in the horizontal direction relatively.

Optionally, the first limit connecting part comprises a plurality of hooks circumferentially arranged on the peripheral wall of the mounting part at intervals;

the connecting piece is of a hollow tubular structure, a plurality of hook grooves are arranged on the circumferential wall of one end, connected with the floor brush head, of the connecting piece at intervals, and the plurality of hooks are clamped with the plurality of hook grooves in a one-to-one correspondence mode.

Optionally, the mounting portion includes a cylindrical mounting main body, and the second limit connecting portion is an annular supporting wall formed by extending the lower periphery of the mounting main body outwards;

the brush head seat is provided with a mounting hole suitable for supplying the end part of the connecting piece to be inserted, the inner circumference of the brush head seat is provided with a circle of stop convex ribs, and the annular supporting wall is clamped and limited below the stop convex ribs.

Optionally, the positioning fitting piece is arranged in the mounting seat, a limiting protrusion is arranged on the outer peripheral wall of the positioning fitting piece, and a limiting groove suitable for limiting the limiting protrusion in the circumferential direction is formed in the mounting seat.

Optionally, the floor brush further comprises a universal joint assembly detachably arranged at the end part of the floor brush rod, and the floor brush rod is suitable for being hinged with the bottom cover through the universal joint assembly.

Optionally, the connecting piece is provided with a disassembly opening corresponding to the disassembly position of the universal joint assembly, and the disassembly opening is detachably provided with a protective cover.

Optionally, the floor brush rod comprises a first section of rod body and a second section of rod body, one end of the first section of rod body extends into the connecting piece to be hinged with the floor brush head, and the other end of the first section of rod body is detachably connected with the second section of rod body; the disassembly positions of the first section of rod body and the second section of rod body are located outside the connecting piece.

The utility model has the advantages of it is following:

1. the utility model provides a scrubbing brush, through the connecting piece that adds, when its user state is switched to needs, need adjust promptly when the relative position of scrubbing brush head and ground brush-holder stud, the connecting piece is gripped or held to the accessible to rotatory ground brush-holder stud in addition, it is rotatory to drive the scrubbing brush head when making the ground brush-holder stud rotatory for the connecting piece, perhaps also can be through rotatory ground brush-holder stud, adjustable ground brush head is for the position of ground brush-holder stud promptly, in order to be adapted to the cleaning under the different scenes, need not artifical direct contact with the scrubbing brush head and adjust the position of scrubbing brush head for ground brush-holder stud, not only the adjustment is more convenient, and is more sanitary moreover, can effectively improve user experience.

2. The utility model provides a scrubbing brush, still including setting up the damping structure between connecting piece and scrubbing brush head, damping mechanism includes location structure and location fit structure, location structure with one in the location fit structure is established overhead, another is established on the connecting piece, location structure with location fit structure looks location fit is so that the scrubbing brush keeps first state or the second state to make the scrubbing brush steady operation under first state and second state. In addition, through the above-mentioned damping mechanism who sets up in the one end of connecting piece and scrubbing brush head complex position department, the other end cup joints with scrubbing brush pole to can be so that scrubbing brush pole and scrubbing brush head are connected stably, can avoid effectively that the scrubbing brush head rocks around the pin joint between scrubbing brush head and the scrubbing brush pole, lead to the scrubbing brush in the use, the range that the scrubbing brush head rocked is big, influences user experience's problem.

3. The utility model provides a scrubbing brush, correspond on the connecting piece the dismantlement position setting of universal joint subassembly is equipped with one and dismantles the mouth, it is equipped with a protecting cover to dismantle mouth department detachably. Through the protecting cover that sets up, on the one hand the dismouting and the periodic maintenance etc. of convenience to the universal joint subassembly, on the other hand also can have the effect that plays the protection universal joint subassembly, can also prevent effectively simultaneously that dust impurity etc. from influencing its normal use in getting into the universal joint subassembly.

Drawings

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

FIG. 1 is a schematic structural view showing a first state of a floor brush in the embodiment;

FIG. 2 is a schematic structural view showing a second state of the floor brush in the embodiment;

FIG. 3 shows a partial cross-sectional view of a floor brush in an embodiment;

FIG. 4 shows a partial enlarged view of FIG. 3;

fig. 5 shows an exploded view of the floor brush in the example.

Description of reference numerals:

10. a floor brush bar; 11. a first section of rod body; 111. a first buckle; 12. a second section of rod body; 121. a card slot;

20. a floor brush head;

21. a brush head seat; 211. a stopper rib;

22. a bottom cover; 221. a connecting seat;

201. a positioning structure; 2011. a positioning groove; 2012. an annular support step;

30. a connecting member; 31. a hook groove; 32. a protective cover;

40. a positioning and matching structure; 401. positioning the matching protrusion; 402. a limiting bulge;

41. an elastic member; 411. an elastic member; 412. a mounting seat; 4121. an installation part; 4122. a first limit connecting part; 4123. a second limit connecting part;

42. positioning a fitting piece;

50. a gimbal assembly.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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

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

As shown in fig. 1 to 5, the present embodiment provides a floor brush, which comprises a floor brush rod 10, a floor brush head 20, a connecting member 30 and a damping mechanism, wherein:

the floor brush head 20 may be a floor brush head 20 of various shapes such as, but not limited to, a plate structure, a housing structure, etc. The floor brush head 20 is hinged at one end of the floor brush rod 10 to make the floor brush have a first state and a second state, referring to fig. 1, when the floor brush is in the first state, the floor brush rod 10 is bent along the length direction of the floor brush head 20; referring to fig. 2, when the floor brush is in the second state, the floor brush rod 10 is bent in a direction perpendicular to the lengthwise direction of the floor brush head 20.

Optionally, the floor brush head 20 in this embodiment is in an elongated shape, and since the floor brush rod 10 is hinged to the floor brush head 20, when in use, the floor brush rod 10 can be rotated to conform to the length direction of the floor brush head 20 according to actual use requirements, or can be rotated horizontally by 90 degrees, and the floor brush rod 10 can be rotated to conform to the width direction of the floor brush head 20, so as to facilitate use. Wherein, the first state of the floor brush is the direction of rotating the floor brush rod 10 to be in the length direction of the floor brush head 20, and the second state of the floor brush is the direction of rotating the floor brush rod 10 to be in the width direction of the floor brush head 20.

One end of the connecting piece 30 is rotatably connected with the floor brush head 20, and the other end of the connecting piece can be used for the floor brush rod 10 to extend into the connecting piece and be hinged with the floor brush head 20, so that the floor brush can be switched between the first state and the second state by rotating the connecting piece 30 and/or the floor brush rod 10. The hinging position of the floor brush head 20 and the floor brush rod 10 is positioned in the connecting piece 30, and the connecting piece 30 can ensure that the floor brush head 20 and the floor brush rod 10 are kept at a preset position with a set included angle, so that the floor brush head 20 and the floor brush rod 10 are prevented from shaking at the connecting position. In this embodiment, the connecting member may be a structural member having various shapes, such as a sleeve structure, a frame structure, etc., but is not limited thereto.

It is understood that the floor brush head 20 can be coupled to the coupling member 30 in various rotational couplings, such as, but not limited to, a bore-axis rotational coupling, coupling via a rotational coupling member 30 (e.g., a bearing), etc.; various types of rotational couplings are known to those skilled in the art and are applicable to rotational engagement between the floor brush head 20 and the connecting member 30, and are not limited thereto.

Preferably, in this embodiment, the connecting member 30 is a cylindrical structure, one end of the cylindrical connecting member 30 is rotatably connected to the floor brush head 20, the other end of the cylindrical connecting member is used for the floor brush rod 10 to be inserted, the floor brush rod 10 extends into the connecting member 30 from the other end of the connecting member 30 to be hinged to the floor brush head 20, and the floor brush rod 10 and the connecting member 30 are in clearance fit, so that the floor brush rod 10 can freely rotate in the connecting member 30.

Therefore, when the using state of the floor brush needs to be switched, namely the relative position of the brush head 20 and the floor brush rod 10 needs to be adjusted, the using state of the floor brush can be adjusted by holding or grasping the connecting piece 30 and additionally rotating the floor brush rod 10, so that the floor brush rod 10 rotates relative to the connecting piece 30 and simultaneously drives the floor brush head 20 to rotate; alternatively, the using state of the floor brush can be adjusted by holding or grasping the floor brush rod 10 and additionally rotating the connecting piece 30, so that the connecting piece 30 rotates relative to the floor brush head 20 and the floor brush rod 10; or, also can make the both relative rotation in order to adjust the user state of scrubbing brush with swivel joint spare 30 and scrubbing brush pole 10 simultaneously to be adapted to the cleaning under the different scenes, need not artifical direct contact scrubbing brush head 20 and adjust the position of scrubbing brush head 20 for scrubbing brush pole 10, it is not only convenient that the adjustment is more, and is more sanitary moreover, can effectively improve user experience.

For example, referring to fig. 1 to 4, when a user needs to adjust the position of the floor brush head 20, the user can hold or grasp the connecting member 30 with one hand, and apply a force to the floor brush bar 10 by the other hand to rotate the floor brush bar 10 relative to the connecting member 30, so that the floor brush bar 10 can transmit the force to the floor brush head 20 to rotate the floor brush head 20 relative to the connecting member 30, and the position of the floor brush head 20 is changed to a position bent along the length direction of the floor brush head 20. In the process, the position of the connecting member 30 can be kept static relative to the human hand holding or holding the connecting member, and the floor brush bar 10 and the floor brush head 20 rotate relative to the connecting member 30, so that the connecting member 30 provides a function of supporting the floor brush bar 10 and the floor brush head 20 and a function of providing force for the human hand to hold or hold the floor brush bar 10 to additionally exert force on the floor brush bar 10.

The damping mechanism comprises a positioning structure 201 and a positioning matching structure 40, one of the positioning structure 201 and the positioning matching structure 40 is arranged on the floor brush head 20, the other one is arranged on the connecting piece 30, the positioning structure 201 and the positioning matching structure 40 are in positioning matching so that the floor brush is kept in the first state or the second state, and the floor brush head 20 is prevented from shaking so as to enable the floor brush to stably work in the first state and the second state.

In the above-mentioned scheme, through the above-mentioned damping mechanism that sets up in the one end of connecting piece 30 and scrubbing brush head 20 complex position department, the other end cup joints with scrubbing brush pole 10 to can be so that scrubbing brush pole 10 and scrubbing brush head 20 are connected stably, can further avoid scrubbing brush head 20 to rock around the pin joint between scrubbing brush head 20 and scrubbing brush pole 10, lead to the scrubbing brush in the use, the range that scrubbing brush head 20 rocked is big, influences user experience's problem.

Optionally, the connecting member 30 includes a main body portion and a bending portion deviating from a central axis of the main body portion, the main body portion is rotatably connected to the ground brush head 20, and the positioning matching structure 40 or the positioning structure 201 is disposed on the main body portion; the bending part is sleeved outside the ground brush rod 10. The floor brush head 20 can rotate relative to the central axis of the main body portion, i.e. the first axis, and the floor brush rod 10 can rotate relative to the central axis of the bent portion, i.e. the second axis.

Optionally, in this embodiment, the bending portion is disposed deviating from a central axis of the main body portion, and the main body portion is rotatably connected to the ground brush head 20, and the bending portion is disposed on the outer portion of the ground brush rod 10. The angle between the main body and the bent portion, i.e. the angle between the floor brush head 20 and the floor brush bar 10, the connecting member 30 can stably support the floor brush head 20 and the floor brush bar 10 at a predetermined angle in a certain cleaning state.

Preferably, in this embodiment, the positioning structure 201 is disposed on the floor brush head 20, and the positioning matching structure 40 is disposed on the floor brush bar 10.

Optionally, at least one of the mating surfaces of the positioning structure 201 and the positioning and mating structure 40 is configured as a friction surface, so that the static friction force generated by the positioning structure 201 and the positioning and mating structure 40 via the friction surface keeps the floor brush in the first state or the second state, thereby reducing the sloshing of the floor brush head 20.

Alternatively, the friction face may be configured by providing a texture or friction plate on at least one of the mating faces of the locating structure 201 and the locating mating structure 40.

Optionally, the positioning structure 201 includes a positioning boss or a positioning groove 2011; the positioning matching structure 40 comprises an elastic matching mechanism, and the elastic matching mechanism is matched with the positioning boss or the positioning groove 2011; when the floor brush is in the first state or the second state, the elastic matching mechanism abuts against the positioning boss or the positioning groove 2011 under the action of elastic force; when the state of the floor brush is switched, the elastic fitting mechanism is driven to move out of the positioning boss or the positioning recess 2011 against the elastic force.

Optionally, in one embodiment, the resilient engagement mechanism is an elastic material. Such as a spring or other resilient member with a certain elasticity.

Alternatively, in another embodiment, the elastic matching mechanism comprises an elastic component 41 and a positioning matching element 42, and the elastic component 41 is suitable for applying elastic force to the positioning matching element 42 so as to keep and limit the elastic component on the positioning boss or the positioning groove 2011.

Optionally, the positioning matching element 42 is provided with a positioning matching groove adapted to match with the positioning boss, or is provided with a positioning matching protrusion 401 adapted to match with the positioning groove 2011.

In this embodiment, the connection element 30 and the floor brush head 20 are limited in a concave-convex matching manner, so that the matching manner is simple and the limiting effect is better.

With such an arrangement, when the position of the floor brush head 20 does not need to be adjusted, the floor brush head 20 can be prevented from rotating relative to the connecting member 30 by the positioning structure 201 and the positioning structure 40 being in positioning fit, and the floor brush head 20 can be prevented from rotating randomly, so as to improve the position stability of the floor brush head 20 after the position adjustment. Of course, when the position of the brush head 20 needs to be adjusted, the positioning engagement between the positioning structure 201 and the positioning engagement structure 40 can be released, so as to facilitate the adjustment of the position of the brush head 20 by rotating the brush rod 10.

Optionally, the floor brush head 20 includes a brush head seat 21 and a bottom cover 22 that are detachably connected, and the brush head seat 21 and the bottom cover 22 may be detachably connected by means of a snap and/or a screw, so as to facilitate disassembly and assembly.

Preferably, the bottom cover 22 and the brush head seat 21 are fastened by a snap.

The brush head seat 21 is rotatably connected with the connecting piece 30, and the bottom cover 22 is hinged with the ground brush rod 10; one of the positioning matching structure 40 and the positioning structure 201 is disposed on the bottom cover 22, and the other is disposed on the connecting member 30.

Optionally, the positioning structure 201 is disposed on the bottom cover 22, and the positioning engagement structure 40 is disposed on the connecting member 30 and engages with the positioning structure 201 through the brush head seat 21.

Optionally, a connecting seat 221 adapted to be hinged to the floor brush rod 10 is further fixedly disposed on the bottom cover 22, and the connecting seat 221 is a connecting column or a connecting cylinder fixedly disposed at a central position of a top wall of the bottom cover 22. The upper end of the connecting base 221 extends upwards to extend out of the brush head base 21, and the upper end of the connecting base 221 is rotatably connected with the end of the brush head rod by a universal joint assembly 50 in 360 degrees.

Referring to fig. 3 and 4, the positioning structure 201 further includes an annular supporting step 2012 fixedly disposed on the bottom circumference of the connecting seat 221; the positioning structure 201 includes a plurality of positioning bosses or positioning grooves 2011 arranged on the annular supporting step 2012 at intervals along the circumferential direction; the lower end of the positioning matching structure 40 abuts against the upper side of the annular supporting step 2012, and a positioning matching groove suitable for matching with the positioning boss or a positioning matching protrusion 401 suitable for matching with the positioning groove 2011 are formed.

Optionally, in this embodiment, the positioning structure 201 includes a plurality of positioning grooves 2011 circumferentially spaced apart from each other on the annular supporting step 2012, and specifically, the positioning grooves 2011 are formed by inward recessing of the outer surface of the annular supporting step 2012. The positioning matching piece 42 is a positioning ring, the positioning ring is close to a side end face of the floor brush head 20 and is locally protruded outwards, so that a positioning matching protrusion 401 matched with the concave-convex position groove 2011 is formed, the positioning ring can be abutted against the annular supporting step 2012 under the action of the elastic component 41, and the positioning matching protrusion 401 is inserted into the positioning groove 2011, so that the connecting piece 30 and the floor brush head 20 are positioned in the circumferential direction. When the position of the brush head 20 needs to be adjusted, the connecting piece 30 and/or the ground brush rod 10 are/is rotated, so that the positioning matching protrusion 401 is separated from the positioning groove 2011, and the limitation of the positioning matching protrusion 401 and the positioning matching groove 2011 in the circumferential direction is released.

Optionally, a positioning groove 2011 is also arranged on the periphery of the annular supporting step 2012 and penetrates through the end face of the annular supporting step 2012.

Alternatively, when the floor brush includes the elastic member 41 and the positioning fitting member 42, the elastic member 41 includes: the elastic piece 411 and the mounting seat 412, a mounting cavity is arranged in the mounting seat 412, the elastic piece 411 is arranged in the mounting cavity, the mounting seat 412 is arranged on the connecting piece 30, one end of the elastic piece 411 abuts against the top wall of the mounting seat 412, and the other end of the elastic piece abuts against the positioning matching piece 42, so as to apply a force to the positioning matching piece 42 to keep the positioning matching piece on the positioning structure 201.

Preferably, the mounting seat 412 is clamped and limited on the connecting member 30, and the brush head seat 21 is rotatably connected with the connecting member 30 through the mounting seat 412.

Specifically, in this application, mount pad 412 has a tube-shape installation main part, tube-shape installation main part cover is established on connecting seat 221, the upper end opening border of tube-shape installation main part is inwards buckled and is extended to form an annular roof wall, elastic component 411 is arranged in the tube-shape installation main part, and the upper end butt is in on the annular roof wall, the lower extreme with positioning fitting piece 42 looks butt.

Optionally, in this embodiment, the elastic member 411 is a compression spring.

Optionally, referring to fig. 3 and 4, the mount 412 includes: installation department 4121, first spacing connecting portion 4122, second spacing connecting portion 4123, wherein:

the first limit connecting part 4122 is arranged on the mounting part 4121 and is suitable for being connected with the connecting piece 30 in a clamping manner, and the possibility that the mounting seat 412 is separated from the connecting piece 30 can be reduced through the arrangement of the first limit connecting part 4122; the second limit connecting part 4123 is disposed below the mounting part 4121 and is supported and limited at the bottom of the brush head seat 21, and the second limit connecting part 4123 and the brush head seat 21 form a limit in the vertical direction and can rotate relatively freely in the horizontal direction, so that the brush head seat 21 and the connecting member 30 are rotatably connected through the mounting seat 412.

When the mounting seat 412, the connecting member 30 and the brush head seat 21 are in an assembled state, the first limiting connecting portion 4122 is clamped on the connecting member 30, the second limiting connecting portion 4123 is supported and limited at one end of the brush head seat 21 far away from the connecting member 30, the second limiting connecting portion 4123 and the connecting member 30 limit the brush head seat 21 in the vertical direction, and the brush head seat 21 and the connecting member 30 can rotate freely in the horizontal direction.

Optionally, the first limit connecting portion 4122 includes a plurality of hooks circumferentially arranged on the peripheral wall of the mounting portion 4121 at intervals; the connecting piece 30 is a hollow tubular structure, a plurality of hook grooves 31 are arranged on the peripheral wall of one end, connected with the floor brush head 20, of the connecting piece 30 at intervals, and the plurality of hooks and the plurality of hook grooves 31 are clamped in a one-to-one corresponding mode, so that the connecting piece 30 is connected with the elastic matching mechanism.

Further, the hooks are integrally formed on the protrusions or claws of the mounting portion 4121.

Optionally, the mounting portion 4121 includes a cylindrical mounting body, and the second limit connecting portion 4123 is an annular supporting wall formed by extending the lower periphery of the mounting body outwards; be equipped with on brush head seat 21 and be suitable for the confession the tip male installing port of connecting piece 30, the interior week of brush head seat 21 is provided with round backstop protruding muscle 211, the spacing below at backstop protruding muscle 211 of annular support wall joint.

In the above solution, the stopping rib 211 is a rib structure extending downward and protruding from the inner peripheral wall of the brush head seat 21, the annular supporting wall is stopped and limited on the bottom surface of the stopping rib 211, the upper end of the mounting seat 412 is connected to the peripheral wall of the connecting member 30 in a snap-in manner, the lower end of the mounting seat 412 is supported and limited on the connecting member 30, so that the mounting seat 412 is limited on the connecting member 30 and kept stationary relative to the connecting member 30, and when the limitation of the positioning structure 201 and the positioning matching structure 40 is removed, the floor brush 20 can rotate relative to the connecting member 30 and the elastic matching mechanism by rotating the floor brush rod 10, so as to switch the floor brush state.

Preferably, in the present embodiment, as shown in fig. 3, the positioning structure 201 is a positioning groove 2011 disposed on the annular supporting step 2012, and the positioning matching structure 40 is a positioning matching protrusion 401 disposed on the positioning matching piece 42. With such an arrangement, when the position of the brush head 20 needs to be adjusted continuously, the connecting member 30 and/or the floor brush rod 10 can be rotated by applying a force to separate the annular supporting step 2012 from the positioning groove 2011, so that the constraint when the positioning groove 2011 is engaged with the positioning matching protrusion 401 can be overcome, and the floor brush head 20 can be rotated continuously, and at this time, the other hand rotates the floor brush rod 10 to drive the floor brush head 20 to rotate relative to the connecting member 30, so as to adjust the position of the brush head seat 21 and switch the use state of the floor brush. When the floor brush head 20 is rotated to a desired position, the connecting element 30 and/or the floor brush rod 10 can be released, and the positioning matching element 42 moves towards the direction close to the floor brush head 20 under the action of the elastic element 411, so that the positioning matching protrusion 401 is inserted into the positioning groove 2011 and is clamped, and the floor brush head 20 can be prevented from rotating continuously, and is prevented from shaking.

This embodiment is through setting up the one end that is close to ground brush head 20 on connecting piece 30 with damping mechanism, avoids ground brush head 20 to rock around the pin joint between ground brush head 20 and the ground brush pole 10 effectively, and when ground brush head 20 use or met the obstacle, ground brush head 20 can not rock, can stably keep in the position of predetermineeing.

Optionally, the positioning matching element 42 is disposed in the mounting seat 412, the peripheral wall of the positioning matching element 42 is provided with a limiting protrusion 402, and a limiting groove suitable for limiting the limiting protrusion 402 in the circumferential direction is disposed in the mounting seat 412. The installation seat 412 and the positioning matching element 42 can be limited from relative rotation by the matching of the limiting groove and the limiting projection 402.

Specifically, the positioning matching element 42 is a positioning ring, the plurality of limiting protrusions 402 are provided, and the plurality of limiting protrusions 402 are arranged on the outer peripheral wall of the positioning ring at intervals. Optionally, the retaining protrusion 402 extends to the edge of the retaining ring near the top wall of the mounting seat 412. Correspondingly, the limiting grooves are also multiple, the limiting grooves and the limiting protrusions 402 are arranged in a one-to-one correspondence manner, one side of each limiting groove, which is close to the ground brush head 20, extends to the edge of the mounting seat 412, or the limiting grooves axially penetrate through the inner peripheral wall of the mounting seat 412.

Optionally, in some other embodiments, a limiting protrusion 402 may be protruded from an inner circumferential wall of the mounting seat 412, and a limiting groove adapted to the limiting protrusion 402 may be formed on an outer surface of the positioning fitting member 42, so that the relative rotation between the mounting seat 412 and the positioning fitting member 42 may be limited by the limiting groove and the limiting protrusion 402.

Optionally, a universal joint assembly 50 detachably arranged on the end of the floor brush rod 10 is further included, and the floor brush rod 10 is suitable for being hinged with the bottom cover 22 through the universal joint assembly 50.

The universal joint is also called a universal joint, is a transmission structure capable of realizing variable-angle power transmission, and is used for changing the direction of a transmission axis.

It will be appreciated that the universal joint may take the form of various prior art shaped structures or modified prior art universal joints.

Illustratively, the universal joint may be any of, but is not limited to, a constant velocity universal joint (e.g., a cross joint, etc.), a quasi-constant velocity universal joint (e.g., a twin joint, a tripod joint, etc.), a constant velocity universal joint (e.g., a rzeppa universal joint, a spear universal joint, a combination universal joint, etc.). It will be apparent to those skilled in the art from this disclosure that various other types of transmission structures may be used in place of the universal joint without inventive step and are intended to be included within the scope of the present application.

So set up, through setting up the universal joint, not only can realize transmitting the power of ground brush-holder stud 10 around the rotation of second axis to scrubbing brush head 20 and make the scrubbing brush rotatory around first axis, simple structure is reliable moreover, does benefit to and improves driven stability, and then does benefit to and improves the stability of adjusting the position of scrubbing brush head 20.

Optionally, a detaching opening is provided on the connecting member 30 corresponding to the detaching position of the gimbal assembly 50, and a protecting cover 32 is detachably disposed at the detaching opening. Through the protecting cover 32 that sets up, on the one hand the convenience is to the dismouting and the periodic maintenance etc. of universal joint subassembly 50, and on the other hand also can have the effect that plays the protection universal joint subassembly, can also effectively prevent dust impurity etc. simultaneously and influence its normal use in getting into universal joint subassembly 50.

Optionally, in this embodiment, the universal joint assembly 50 is connected to the floor brush bar 10 by a second snap, and the protecting cover 32 is snapped at the detaching opening by a snap. When the universal joint assembly 50 needs to be disassembled, the ground brush rod 10 and the universal joint assembly 50 can be disassembled by opening the protective cover 32 and pressing the second buckle.

Optionally, the floor brush rod 10 includes a first section of rod body 11 and a second section of rod body 12, one end of the first section of rod body 11 extends into the connecting piece 30 to be hinged with the floor brush head 20, and the other end is detachably connected with the second section of rod body 12; wherein, the detaching position of the first section of rod body 11 and the second section of rod body 12 is located outside the connecting piece 30. The disassembly and assembly of the first section rod body 11 and the second section rod body 12 are facilitated by positioning the disassembly positions of the first section rod body 11 and the second section rod body 12 outside the connecting piece 30.

Optionally, in this embodiment, a first buckle 111 is disposed on an end portion of the first section of rod body 11 close to the second section of rod body 12, and a clamping groove 121 in clamping fit with the first buckle 111 is disposed on a circumferential wall of the second section of rod body 12, and the first buckle 111 is adapted to be separated from the clamping groove 121 by pressing, so as to split the first section of rod body 11 and the second section of rod body 12.

In this embodiment, first section body of rod 11 and the buckling of second section body of rod 12, during the dismantlement, press first buckle 111 and can split to can reduce the length of ground brush-holder stud 10 in the transportation, reduce the transportation degree of difficulty and cost of transportation.

Optionally, in this embodiment, the other end of the first rod segment 11 is adapted to extend into the connecting member 30 and engage with the gimbal assembly 50 via a second snap-fit. The universal joint assembly 50 is clamped and fixed on the first section of rod body 11, and is convenient to disassemble and assemble.

Referring to fig. 1 to 4, the assembly process of the floor brush provided by the present embodiment is as follows:

during assembly, the connecting piece 30 is inserted into the mounting hole at the top of the brush head seat 21, and then the mounting seat 412 is assembled in the connecting piece 30, specifically, the first limiting connecting part 4122 on the mounting seat 412 is hooked in the hook groove of the connecting piece 30, so that the mounting seat 412 is connected with the connecting piece 30; meanwhile, the second limiting connection part 4123 on the mounting seat 412 is clamped below the brush head seat 21, the first limiting connection part 4122 on the upper side is clamped and limited on the connecting piece 30, and the second limiting connection part 4123 on the lower side is limited on the brush head seat 21, so that the connecting piece 30 and the brush head seat 21 are connected through the mounting seat 412. The spring and the positioning engagement member 42 are then sequentially received in the receiving cavity of the mounting base 412, and the gimbal assembly 50 is then connected to the bottom cover 22, and the bottom cover 22 is then connected to the brush head base 21. During the process of connecting the bottom cap 22 and the brush head seat 21, the positioning structure 201 on the ground brush head 20 is engaged with the positioning fitting member 42, and the universal joint assembly 50 extends into the connecting member 30 through the brush head seat 21. Finally, the floor brush bar 10 is inserted into the connecting member 30 from the end away from the floor brush head 20 and connected to the gimbal assembly 50, thereby completing the assembly of the floor brush.

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

Claims (19)

1. A floor brush, comprising:

a floor brush bar (10);

the floor brush head (20) is hinged at one end of the floor brush rod (10) so that the floor brush has a first state and a second state, and when the floor brush is in the first state, the floor brush rod (10) is bent along the length direction of the floor brush head (20); when the floor brush is in a second state, the floor brush rod (10) is bent along a direction vertical to the length direction of the floor brush head (20);

a connecting piece (30), one end of the connecting piece (30) is rotatably connected with the floor brush head (20), and the other end of the connecting piece can be used for the floor brush rod (10) to extend into the connecting piece to be hinged with the floor brush head (20), so that the floor brush can be switched between the first state and the second state by rotating the connecting piece (30) and/or the floor brush rod (10);

the damping mechanism comprises a positioning structure (201) and a positioning matching structure (40), one of the positioning structure (201) and the positioning matching structure (40) is arranged on the floor brush head (20), the other one of the positioning structure (201) and the positioning matching structure (40) is arranged on the connecting piece (30), and the positioning structure (201) is in positioning matching with the positioning matching structure (40) so that the floor brush is kept in the first state or the second state.

2. A floor brush according to claim 1, characterized in that the connecting piece (30) comprises a main body part and a bent part deviating from the central axis of the main body part, which are connected to each other;

the main body part is rotationally connected with the floor brush head (20), and the positioning matching structure (40) or the positioning structure (201) is arranged on the main body part; the bending part is sleeved outside the ground brush rod (10).

3. A floor brush according to claim 2, characterized in that at least one of the engaging end surfaces of the positioning structure (201) and the positioning and engaging structure (40) is configured as a friction surface, such that the positioning structure (201) and the positioning and engaging structure (40) keep the floor brush in the first state or the second state by means of a static friction force generated by the friction surface.

4. A floor brush according to claim 2, characterized in that the positioning structure (201) comprises a positioning boss or a positioning groove (2011);

the positioning matching structure (40) comprises an elastic matching mechanism, and the elastic matching mechanism is matched with the positioning boss or the positioning groove (2011);

when the floor brush is in a first state or a second state, the elastic matching mechanism is abutted against the positioning lug boss or the positioning groove (2011) under the action of elastic force; when the state of the floor brush is switched, the elastic matching mechanism is driven to overcome the elastic force to move out of the positioning boss or the positioning groove (2011).

5. A floor brush as claimed in claim 4, wherein the resilient engagement means is of resilient material.

6. A floor brush according to claim 4, characterized in that the resilient engaging mechanism comprises a resilient component (41) and a positioning engaging piece (42), the resilient component (41) is adapted to apply a resilient force to the positioning engaging piece (42) to hold and retain it on the positioning boss or the positioning groove (2011).

7. A floor brush according to claim 6, characterized in that the positioning and matching element (42) is provided with a positioning and matching groove adapted to match with the positioning boss, or with a positioning and matching protrusion (401) adapted to match with the positioning groove (2011).

8. A floor brush as claimed in any one of claims 1-7, wherein the floor brush head (20) comprises a brush head seat (21) and a bottom cover (22) which are detachably connected, the brush head seat (21) is rotatably connected with the connecting member (30), and the bottom cover (22) is hinged with the floor brush rod (10); one of the positioning matching structure (40) and the positioning structure (201) is arranged on the bottom cover (22), and the other is arranged on the connecting piece (30).

9. A floor brush as claimed in claim 8, wherein the locating formation (201) is provided on a base cap (22), the locating engagement formation (40) engaging the locating formation (201) through a brush head seat (21).

10. A floor brush as claimed in claim 9, wherein the bottom cover (22) is further fixedly provided with a connecting seat (221) adapted to be hinged with the floor brush rod (10), and the positioning structure (201) further comprises a ring-shaped supporting step (2012) fixedly arranged on the bottom circumference of the connecting seat (221);

the positioning structure (201) comprises a plurality of positioning bosses or positioning grooves (2011) which are arranged on the annular supporting step (2012) at intervals along the circumferential direction; and/or the presence of a gas in the gas,

the lower end of the positioning matching structure (40) abuts above the annular supporting step (2012), and a positioning matching groove or a positioning matching bulge (401) is formed.

11. A floor brush according to claim 9, characterized in that, when the floor brush comprises a resilient assembly (41) and a positioning fitting (42), the resilient assembly (41) comprises:

an elastic member (411);

the mounting seat (412) has an installation cavity therein, the elastic part (411) is arranged in the installation cavity, the mounting seat (412) is arranged on the connecting piece (30), one end of the elastic part (411) is abutted on the top wall of the mounting seat (412), and the other end of the elastic part is abutted on the positioning fitting piece (42).

12. A floor brush as claimed in claim 11, wherein the mounting seat (412) is clamped and limited on the connecting member (30), and the brush head seat (21) is rotatably connected with the connecting member (30) through the mounting seat (412).

13. A floor brush according to claim 12, characterized in that the mounting (412) comprises:

a mounting portion (4121);

the first limiting connecting part (4122) is arranged on the mounting part (4121) and is suitable for being connected with the connecting piece (30) in a clamping mode;

the second limiting connecting part (4123) is arranged below the mounting part (4121) and is supported and limited at the bottom of the brush head seat (21), and the second limiting connecting part (4123) and the brush head seat (21) form limiting in the vertical direction and can rotate relatively freely in the horizontal direction;

when the mounting seat (412), the connecting piece (30) and the brush head seat (21) are in an assembled state, the first limiting connecting part (4122) is clamped on the connecting piece (30), the second limiting connecting part (4123) is supported and limited at one end, far away from the connecting piece (30), of the brush head seat (21), the second limiting connecting part (4123) and the connecting piece (30) limit the brush head seat (21) in the vertical direction, and the brush head seat (21) and the connecting piece (30) can rotate freely in the horizontal direction relatively.

14. A floor brush as claimed in claim 13, wherein the first limit connection portion (4122) comprises a plurality of hooks circumferentially spaced on the peripheral wall of the mounting portion (4121);

the connecting piece (30) is of a hollow tubular structure, a plurality of hook grooves (31) are arranged on the peripheral wall of one end, connected with the floor brush head (20), of the connecting piece (30) at intervals, and the hooks are clamped with the hook grooves (31) in a one-to-one corresponding mode.

15. A floor brush as claimed in claim 13, wherein the mounting portion (4121) comprises a cylindrical mounting body, and the second spacing connecting portion (4123) is an annular support wall formed by extending outwardly from a lower periphery of the mounting body;

be equipped with on brush head seat (21) and be suitable for the confession the tip male installing port of connecting piece (30), the interior week of brush head seat (21) is provided with round backstop protruding muscle (211), the below at backstop protruding muscle (211) is spacing in annular supporting wall joint.

16. A floor brush according to any of claims 11-15, characterized in that the positioning fitting element (42) is arranged in the mounting seat (412), and the peripheral wall of the positioning fitting element (42) is provided with a limiting projection (402), and a limiting groove adapted to limit the limiting projection (402) in the circumferential direction is arranged in the mounting seat (412).

17. A floor brush according to any of claims 9-15, further comprising a universal joint assembly (50) detachably mounted on an end of the floor brush bar (10), the floor brush bar (10) being adapted to be hingedly connected to the bottom cover (22) via the universal joint assembly (50).

18. A floor brush according to claim 17, characterized in that the coupling member (30) is provided with a removal opening corresponding to the removal position of the gimbal assembly (50), said removal opening being provided with a removable cover (32).

19. A floor brush according to any of claims 1-7, 9-15 and 18, characterized in that the floor brush rod (10) comprises a first segment (11) and a second segment (12), one end of the first segment (11) extends into the connecting member (30) and is hinged with the floor brush head (20), and the other end is detachably connected with the second segment (12); wherein the disassembly position of the first section of rod body (11) and the second section of rod body (12) is positioned outside the connecting piece (30).

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