CN209996194U

CN209996194U - Cleaning tool

Info

Publication number: CN209996194U
Application number: CN201920417236.3U
Authority: CN
Inventors: 刘海平; 施金鑫; 胡彬; 鲁保东
Original assignee: Suzhou Cleva Electric Appliance Co Ltd
Current assignee: Suzhou Cleva Electric Appliance Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-01-31
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses an cleaning tool, cleaning tool include the work head subassembly, with the handle components that the work head subassembly set up relatively, with the work head subassembly is connected and along the lower coupling assembling of longitudinal axis extension, with the last coupling assembling that handle components is connected, lower coupling assembling with go up coupling assembling and rotationally connect through rotating the piece, wherein: lower coupling assembling with go up the coupling assembling and be equipped with the locking piece wherein , during the state, go up coupling assembling for lower coupling assembling is motionless, during the second state, go up coupling assembling can for lower coupling assembling about it rotates to rotate.

Description

Cleaning tool

Technical Field

The utility model relates to an kinds of burnishers.

Background

In the traditional vertical dust collector, the connecting rod component is a straight rod component and cannot be bent, so that when a table bottom or a bed bottom is cleaned, the operation is inconvenient and the cleaning area is limited.

In order to solve the above technical problems, a person skilled in the art improves, for example, chinese patent CN203468509U issued 3/12/2014 discloses rotatable angle suction nozzle for a vacuum cleaner, which comprises a suction nozzle body, a ball head handle and a connecting bent pipe, wherein a hollow connecting ball head is arranged at the front end of the ball head handle, rotating shaft holes are arranged at two sides of the connecting ball head, suction nozzle rotating shafts corresponding to the rotating shaft holes at two sides of the connecting ball head are arranged at two sides of the tail of the suction nozzle body, and the suction nozzle body is arranged in the rotating shaft holes of the ball head handle in a rotating fit manner through the suction nozzle rotating shafts, so that the suction nozzle can be bent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide kinds of burnishers, this burnisher's structure is more reliable, and convenient operation.

To achieve of the above objectives, embodiments of the present invention provide cleaning tools, the cleaning tools include a working head assembly, a handle assembly opposite to the working head assembly, a lower connecting assembly connected to the working head assembly and extending along a longitudinal axis, and an upper connecting assembly connected to the handle assembly, the lower connecting assembly and the upper connecting assembly are rotatably connected by a rotating member, wherein a locking member is disposed on of the lower connecting assembly and the upper connecting assembly, the locking member is operable to move between a th state and a second state, the upper connecting assembly is fixed relative to the lower connecting assembly in the th state, and the upper connecting assembly is rotatable relative to the rotating member in the second state.

As a further improvement of the embodiment of the present invention, the working head assembly includes a dust collection head, a fan device is disposed on the handle assembly, the cleaning tool further includes a hose communicating with the lower connecting assembly and the upper connecting assembly, and the fan device is communicated with the dust collection head through the upper connecting assembly, the hose and the lower connecting assembly.

As a further improvement of the embodiment of the present invention, the lower connection assembly includes a lower connection tube connected to the working head assembly and a lower sheath connected to the lower connection tube, the upper connection assembly includes a handpiece connection tube connected to the handle assembly and an upper sheath connected to the handpiece connection tube, the upper sheath and the lower sheath pass through the rotation member and are rotatably connected to each other, the locking member is disposed on of the upper sheath and the lower sheath, the upper sheath and the lower sheath are additionally provided with a mating portion on thereof, when in the state, the locking member is connected to the mating portion, and when in the second state, the locking member is disconnected from the mating portion.

As a further improvement of embodiment of the present invention , the locking member is disposed on the upper sheath, wherein of the locking member and the upper sheath is provided with a guiding long hole extending along the longitudinal axis, and the other of the locking member and the upper sheath is provided with a guiding pin matching with the guiding long hole.

As a further improvement of the embodiment of the present invention, the handle assembly includes a handle portion for gripping, the rotatable member has an axis of rotation, the axis of rotation and the longitudinal axis define a th plane, and the locking member and the handle portion are located on the same side of the th plane.

As a further improvement of the embodiment of the present invention, the mating portion is a mating groove, and the locking member is provided with a guiding portion so that the locking member can be automatically guided into the mating groove.

As a further improvement to the embodiment of the present invention, the locking member slides from the position to a second position adjacent the handle assembly.

As a further improvement of the embodiment of the present invention, the cleaning tool further includes a resilient member that retains the locking member in the position.

As a further improvement of the embodiment of the present invention, the elastic member is a compression spring, the end of the compression spring abuts against the locking member, and the other end of the compression spring abuts against the lower connecting assembly and the upper connecting assembly therein.

As a further improvement of the embodiment of the present invention, in the th state, the locking member completely surrounds the outer circumference of the upper connecting assembly and the lower connecting assembly, and in the second state, the locking member is slid to disengage the outer circumferences of another of the upper connecting assembly and the lower connecting assembly.

As a further improvement of the embodiment of the present invention, the upper connecting assembly and the lower connecting assembly have a stopper portion on thereof, the locking member has a limiting portion thereon, and when the locking member is in the second state, the stopper portion is connected to the limiting portion to limit the locking member in the second state.

As a further improvement of the embodiment of the present invention in , the limiting portion is a limiting rib, the stopping portion is a stopping groove, when the locking member is switched from the th state to the second state, the locking member can be operated to slide for a certain distance along the longitudinal axis, and then rotate for a certain angle around the longitudinal axis, so that the limiting rib is connected to the stopping groove.

As the utility model discloses a step improvement of embodiment, go up coupling assembling and still be equipped with the guide way on wherein with lower coupling assembling, the guide way with the backstop groove link up mutually, the guide way is followed the extending direction of longitudinal axis extends and with spacing muscle connects mutually, with right the slip of locking piece leads to

Compared with the prior art, the cleaning tool has the advantages that when the straight rod is operated, the locking piece is in the th state, the upper connecting assembly is fixed relative to the lower connecting assembly, and when the cleaning tool needs to be bent, the locking piece is slid to the second state, the upper connecting assembly can be rotated and bent relative to the lower connecting assembly for a fixed angle.

Drawings

FIG. 1 is a front view of a cleaning implement according to embodiment of the present invention, wherein the cleaning implement is in a straight bar configuration;

FIG. 2 is a front view of a cleaning implement according to embodiment of the present invention, shown in a folded configuration;

FIG. 3 is an enlarged partial schematic view at A of FIG. 1;

FIG. 4 is an enlarged partial schematic view at B of FIG. 2;

FIG. 5 is a cross-sectional view of the cleaning implement of FIG. 1, with the locking element in the position and the cleaning action in the straight bar position;

FIG. 6 is a cross-sectional view of the cleaning tool of FIG. 1, with the locking element slid to a second position and the cleaning action in the straight bar position;

FIG. 7 is an enlarged partial schematic view at C of FIG. 5;

FIG. 8 is an enlarged partial schematic view at D of FIG. 6;

FIG. 9 is a cross-sectional view of the cleaning implement of FIG. 1, with the cleaning implement in an intermediate state about to return from the bent state to the straight state;

FIG. 10 is an enlarged partial schematic view at E of FIG. 9;

FIG. 11 is a front view of a cleaning implement according to a second embodiment of the present invention, with the locking member in position and the cleaning implement in the straight bar position;

FIG. 12 is a cross-sectional view of the cleaning tool of FIG. 11;

FIG. 13 is a cross-sectional view of the cleaning tool of FIG. 11, with the locking member slid to a second position and the cleaning tool in a straight wand position;

FIG. 14 is a perspective view of the cleaning implement of FIG. 11 with the latch in position and the cleaning implement in a straight wand position;

FIG. 15 is an enlarged partial schematic view at F of FIG. 13;

fig. 16 is an enlarged partial schematic view at G in fig. 14.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.

In the various illustrations of the present application, certain dimensions of structures or portions may be exaggerated relative to other structures or portions for ease of illustration and, thus, are provided to illustrate only the basic structure of the subject matter of the present application.

In addition, as used herein, terms such as "upper," "above," "below," "lower," and the like, refer to the spatially relative position of elements or features relative to another elements or features as illustrated in the figures, and the spatially relative position terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

Referring to fig. 1-4, the present invention provides a preferred embodiment disclosing cleaning tools including a workhead assembly 10 and a handle assembly 12 disposed opposite the workhead assembly 10. that is, the workhead assembly 10 and the handle assembly 12 are disposed at opposite ends of the cleaning tool, a step, the cleaning tool further including a lower connecting assembly 16 connected to the workhead assembly 10 and extending along a longitudinal axis 14, an upper connecting assembly 18 connected to the handle assembly 12, the lower connecting assembly 16 and the upper connecting assembly 18 being rotatably connected by a rotating member 20, the rotating member 20 having an axis of rotation perpendicular to the longitudinal axis 14, the cleaning tool having a straight state in which the lower connecting assembly 16 and the upper connecting assembly 18 both extend along the longitudinal axis 14, and a bent state in which the upper connecting assembly 18 is bent relative to the lower connecting assembly 16.

In the preferred embodiment, the cleaning implement is a hand-held cleaner, although the cleaning implement may be of other types. Specifically, the working head assembly 10 comprises a dust collection head 24, the handle assembly 12 is provided with a fan device 26, the cleaning tool further comprises a hose 28 communicating the lower connecting assembly 16 and the upper connecting assembly 18, and the fan device 26 is in air communication with the dust collection head 24 through the upper connecting assembly 18, the hose 28 and the lower connecting assembly 16. A battery pack 30 is provided on the handle assembly 12 for providing power to the blower assembly 26, and the blower assembly 26 further includes a dirt cup. Of course, the cleaning tool may be provided with no battery pack 30 and may be powered externally.

, the lower connecting member 16 and the upper connecting member 18 are provided with a locking member 32 at , the locking member 32 is operable to move between and a second position, is a position in which the upper connecting member 18 is fixed relative to the lower connecting member 16 and the cleaning implement is in a straight position, and is a position in which the upper connecting member 18 is rotatable relative to the lower connecting member 16 about the rotatable member 20 to adjust the cleaning implement to a bent position for cleaning low-profile spaces, such as a cleaning table or bed, particularly in the present embodiment, the locking member 32 is slidable between and the second position along the direction of extension of the longitudinal axis 14.

In the preferred embodiment, when the straight rod operation is performed, the locking member 32 is in the th state, so that the upper connecting assembly 18 is fixed relative to the lower connecting assembly 16, and the structure is more reliable, and when the cleaning tool needs to be bent, the upper connecting assembly 18 can be rotated and bent for a certain angle relative to the lower connecting assembly 16 by pulling the locking member 32 to slide the locking member to the second state, so that the bending operation of the cleaning tool is very convenient and labor-saving.

The lower connecting assembly 16 includes a lower connecting tube 34 connected to the working head assembly 10 and a lower sheath 36 connected to the lower connecting tube 34, the upper connecting assembly 18 includes a handpiece connecting tube 38 connected to the handle assembly 12 and an upper sheath 40 connected to the handpiece connecting tube 38, the upper sheath 40 and the lower sheath 36 are rotatably connected by the rotating member 20, the locking member 32 is provided on of the upper sheath 40 and the lower sheath 36, a mating portion 42 is provided on another of the upper sheath 40 and the lower sheath 36, the locking member 32 is mated with the mating portion 42 in the state, and the locking member 32 is disengaged from the mating portion 42 in the second state.

with reference to fig. 5-10, in the preferred embodiment, the locking member 32 slides from the first state to the second state in a direction approaching the handle assembly 12. that is, when the cleaning tool is bent, hands of the operator hold the handle assembly 12, and hands pull the locking member 32 backward in the direction of the handle assembly 12 to unlock the cleaning tool, thereby facilitating the operation of the cleaning tool.

The cleaning tool further includes a resilient member 44 for maintaining the locking member 32 in the th state, and when the locking member 32 needs to return to the th state from the second state, the locking member 32 automatically returns to the th state from the second state without manual unlocking, and thus self-locking is achieved.

In the embodiment shown, the locking member 32 is disposed on the upper casing 40, i.e., the coupling portion 42 is disposed on the lower casing 36. of course, the locking member 32 may be disposed on the lower casing 36, and correspondingly, the coupling portion 42 is disposed on the upper casing 40. the locking member 32 and the upper casing 40 are provided with long guide holes 50 extending along the longitudinal axis 14 at thereof, and the locking member 32 and the upper casing 40 are provided with guide pins 52 coupled with the long guide holes 50 at the other thereof, wherein two long guide holes 50 are provided, and correspondingly, two guide pins 52 are provided, and the two guide pins 52 are respectively adapted with the two long guide holes 50. in order to make the structure of the cleaning tool more compact, the longitudinal extension center lines of the two long guide holes 50 coincide.

The mating portion 42 is a mating recess, the locking member 32 is provided with a mating protrusion, the mating protrusion is located in the mating recess when the locking member 32 is in the th state, and the mating protrusion is disengaged from the mating recess when the locking member 32 slides to the second state, however, the mating recess may be provided on the locking member 32, and the mating protrusion may be correspondingly provided on the upper sheath 40. step , the locking member 32 is provided with a guide portion 54, so that the locking member 32 can be automatically guided into the mating recess when the cleaning tool is adjusted from the bent state to the straight state.

The handle assembly 12 includes a handle portion 56 for gripping, the pivot axis and the longitudinal axis 14 defining a th plane when the cleaning tool is in the straight position, and the locking member 32 and the handle portion 56 being located on the same side of the th plane.

As shown in FIGS. 11-16, the present invention provides a second embodiment which is similar to the embodiment in that unlocking is also accomplished by sliding the lock 58 to effect a bending operation on the cleaning tool, which differs from the embodiment in the specific form and arrangement of the lock 58.

In this embodiment, in the th position, the locking member 58 completely surrounds the outer circumference of the upper and lower connecting

members

60, 62, and in the second position, the locking member 58 is slid to disengage from the outer circumference of another of the upper and lower connecting

members

60, 62, thereby allowing the cleaning tool to be bent.

of the upper connection component 60 and the lower connection component 62 is provided with a stopping portion 64, the locking member 58 is provided with a limiting portion 66, when the locking member 58 is in the second state, the stopping portion 64 is matched with the limiting portion 66 to limit the locking member 58 in the second state, specifically, in the present embodiment, the stopping portion 64 is provided on the upper connection component 60, when the cleaning tool is bent, the locking member 58 is pulled towards the direction gradually approaching the handle component 68, the locking member 58 slides to be separated from the lower connection component 62 until the limiting portion 66 is matched with the stopping portion 64, and then the cleaning tool can be bent.

, the position-limiting part 66 is a position-limiting rib and the stopping part 64 is a position-limiting groove, when the locking member 58 is switched from the state to the second state, the locking member 58 can be operated to slide a certain distance along the longitudinal axis 70 and then rotate an angle around the longitudinal axis 70 to make the position-limiting rib and the position-limiting groove matched.

The upper connecting assembly 60 is further provided with a guide groove 72, the guide groove 72 is communicated with the stop groove, and the guide groove 72 extends along the extending direction of the longitudinal axis 70 and is matched and connected with the limiting rib so as to guide the sliding of the locking piece 58. Similarly, when the stopper 64 is disposed on the lower connecting member 62, the guide groove 72 is also disposed on the lower connecting member 62.

As in the embodiment, lower attachment assembly 62 includes a lower connector 74 connected to working head assembly 73 and a lower sheath 76 connected to lower connector 74, and upper attachment assembly 60 includes a handpiece connector 78 connected to handle assembly 68 and an upper sheath 80 connected to handpiece connector 78, and stop portion 64 and guide slot 72 are provided in upper sheath 80, such that when the cleaning implement is flexed, locking member 58 is pulled in a direction that gradually approaches handle assembly 68, sliding locking member 58 out of lower sheath 76 until stop portion 66 abuts stop portion 64, and then rotating to engage stop portion 66 with stop portion 64 to retain locking member 58 in the second position, thereby allowing the cleaning implement to be flexed.

In this embodiment, an elastic member 82 is also provided to maintain the locking member 58 in the th state, preferably, the elastic member 82 is also provided as a compression spring, the compression spring is sleeved on the outer periphery of the upper connecting member 60, and the end of the compression spring abuts against the locking member 58, and the other end of the compression spring abuts against the upper connecting member 60. specifically, the compression spring is sleeved on the outer periphery of the upper sheath 80, and the other end of the compression spring abuts against the upper sheath 80. of course, the elastic member 82 may also be provided as another elastic member 82 such as a tension spring, etc., the locking member 58 is further provided with a receiving groove 84 for receiving a portion of the elastic member 82. when the locking member 58 needs to be unlocked, the locking member 58 is rotated degrees around the longitudinal axis 70 to disengage the limiting portion 66 from the stopping portion 64, and then the locking member 58 is released, and the locking member 58 automatically returns to the th.

It should be understood that although the present description refers to embodiments, not every embodiment contains independent technical solutions, and this description is only for clarity, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can be combined appropriately to form other embodiments understood by those skilled in the art.

The series of detailed descriptions above are only specific to the feasible embodiments of the present invention, they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the technical spirit of the present invention are intended to be included within the scope of the present invention.

Claims

A cleaning implement of the type described in , said cleaning implement comprising a working head assembly (10,73), a handle assembly (12, 68) disposed opposite said working head assembly (10,73), a lower connecting assembly (16,62) connected to said working head assembly (10,73) and extending along a longitudinal axis, an upper connecting assembly (18,60) connected to said handle assembly (12, 68), said lower connecting assembly (16,62) and said upper connecting assembly (18,60) being rotatably connected by a rotatable member (20), characterized in that said lower connecting assembly (16,62) and said upper connecting assembly (18,60) have a locking member (32, 58) disposed thereon, said locking member (32, 58) being operatively movable between a th condition and a second condition, said locking member being locked so that said upper connecting assembly (18,60) is stationary relative to said lower connecting assembly (16,62) in said th condition, said locking member being unlocked so that said upper connecting assembly (18,60) is rotatable relative to said lower connecting assembly (16,62) relative to said rotatable member (20).
2. The cleaning implement of claim 1, wherein: work head subassembly (10,73) is including dust absorption head (24), be equipped with fan device (26) on handle components (12, 68), cleaning tool is still including the intercommunication coupling assembling (16,62) and last coupling assembling (18,60) hose (28) down, fan device (26) pass through go up coupling assembling (18,60), hose (28) and down coupling assembling (16,62) with dust absorption head (24) looks gas intercommunication.
3. The cleaning implement of claim 1, wherein said lower attachment assembly (16) includes a lower attachment tube (34) connected to said handle assembly (10) and a lower sheath (36) connected to said lower attachment tube (34), said upper attachment assembly (18) includes a handpiece attachment tube (38) connected to said handle assembly (12) and an upper sheath (40) connected to said handpiece attachment tube (38), said upper and lower sheaths (40, 36) being rotatably connected by said rotatable member (20), said locking member (32) being disposed on of said upper and lower sheaths (40, 36), another of said upper and lower sheaths (40, 36) having a mating portion (42) disposed thereon, said locking member (32) being engaged with said mating portion (42) in the state, said locking member (32) being disengaged from said mating portion (42) in the second state.
4. A cleaning implement according to claim 3, wherein said locking element (32) is provided on said upper casing (40), a long guide hole extending along the longitudinal axis is provided on between said locking element (32) and said upper casing (40), and a guide pin fitted into said long guide hole is provided on the other of said locking element (32) and said upper casing (40).
5. The cleaning tool of claim 3, wherein the handle assembly (12) includes a handle portion for gripping, the rotatable member (20) having an axis of rotation, the axis of rotation and the longitudinal axis defining a th plane, the locking element (32) and the handle portion being located on the same side of the th plane.
6. The cleaning implement of claim 3, wherein: the matching part (42) is a matching groove, and the locking piece (32) is provided with a guide part (54) so that the locking piece (32) can be automatically guided into the matching groove.
7. The cleaning implement of claim 1, wherein said locking member (32) slides from said th position toward said handle assembly (12) to said second position.
8. The cleaning tool according to claim 1, further comprising a resilient member (44) for maintaining said locking member (32) in said th state.
9. The cleaning implement of claim 8, wherein the resilient member (44) is a compression spring, an end of the compression spring abutting the locking member (32) and an opposite end of the compression spring abutting the lower attachment assembly (16) and the upper attachment assembly (18) at therebetween.
10. The cleaning implement of claim 1, wherein in the th position, the locking element (58) completely surrounds the outer circumference of the upper (60) and lower (62) linkage assemblies, and in the second position, the locking element (58) is slid out of the outer circumference of another of the upper (60) and lower (62) linkage assemblies.