CN213787233U

CN213787233U - Novel cleaning tool

Info

Publication number: CN213787233U
Application number: CN201920899673.3U
Authority: CN
Inventors: 何可丰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-06
Filing date: 2019-06-15
Publication date: 2021-07-27
Anticipated expiration: 2029-06-15
Also published as: CN212591980U; CN212591981U; CN213721804U

Abstract

The utility model belongs to the technical field of cleaning tools, in particular to a novel cleaning tool, which comprises a mop and a mop barrel, wherein the lower end of a mop rod is hinged with a mop head with a wiping object, the mop rod at least comprises an inner rod and an outer rod, the inner rod and the outer rod can rotate mutually, and the mop rod can be shortened and lengthened through sleeve joint; a one-way transmission device is arranged between the inner rod and the outer rod, the mop head comprises a connecting seat and a mop disc, the mop disc is fixedly arranged on the connecting seat, the connecting seat is rotatably connected to the mop rod, the lower end of the connecting seat is rotatably connected with a rotating sleeve, and the rotating sleeve can rotate relative to the mop head; be provided with rotatable dehydration basket in the mop bucket, the middle part of dehydration basket is provided with the shrinkage pool, and when the dehydration, the rotation cover of mop head is spacing in the shrinkage pool to, the mop head is at high-speed pivoted in-process, and the rotation cover can't break away from the shrinkage pool, the utility model provides a novel burnisher of simple structure and stability.

Description

Novel cleaning tool

Technical Field

The utility model belongs to the technical field of burnisher, refer in particular to a novel burnisher.

Background

The mop is the most common cleaning tool for cleaning floors, the floor cleaning mode which is most environment-friendly and convenient is realized by cleaning the floor with the wet mop, the used mop is usually cleaned by water, and in order to clean the mop more conveniently in the prior art, the invention provides the mop bucket which not only can clean the mop, but also is internally provided with the dehydration basket which can dehydrate the cleaned mop head. When the common mop bucket exists the dehydration on the market, the branch in dehydration basket middle part gets into the hole in mop head middle part, carries out the point and supports, therefore the mop head has the problem of easy slope, influences the user operation.

Disclosure of Invention

The utility model aims at providing a novel cleaning tool simple in structure and stable.

The purpose of the utility model is realized like this:

a novel cleaning tool comprises a mop and a mop barrel, wherein the lower end of a mop rod is hinged with a mop head with a wiping object, the mop rod at least comprises an inner rod and an outer rod, the inner rod and the outer rod can rotate mutually, and the mop rod can be shortened and lengthened through sleeving; a one-way transmission device is arranged between the inner rod and the outer rod, the short mop rod is pressed downwards, the one-way transmission device takes effect, the inner rod rotates in a one-way mode relative to the outer rod, the inner rod and the mop head are driven to rotate, the mop rod is pulled upwards, the one-way transmission device fails, mutual driving does not exist between the inner rod and the outer rod, and the inner rod and the mop head can rotate relative to the outer rod or stop rotating relative to the outer rod under the action of inertia;

the mop head comprises a connecting seat and a mop disc, the mop disc is fixedly arranged on the connecting seat, the connecting seat is rotatably connected to a mop rod, the lower end of the connecting seat is rotatably connected with a rotating sleeve, and the rotating sleeve can rotate relative to the mop head;

be provided with rotatable dehydration basket in the mop bucket, during the dehydration, the mop pole is pushed down the weak point and is driven the mop head rotation, and the dehydration basket is rotatory under the mop head drives, utilizes centrifugal force to dewater the last wiper of mop head, the middle part of dehydration basket is provided with the shrinkage pool, and when the dehydration, the rotation cover of mop head is spacing in the shrinkage pool to, the mop head is at high-speed pivoted in-process, rotates the cover and can't break away from the shrinkage pool.

A connecting shaft extends out of the lower end of the connecting seat, an insertion hole is formed in the middle of the rotating sleeve, a limiting part is arranged between the connecting shaft and the insertion hole, and when the connecting shaft enters the insertion hole and the limiting part is effective, the connecting shaft is limited in the insertion hole; or the lower end of the connecting seat is provided with an insertion hole, the rotating sleeve extends out of the connecting shaft, a limiting part is arranged between the connecting shaft and the insertion hole, and when the connecting shaft enters the insertion hole and the limiting part is effective, the connecting shaft is limited in the insertion hole; or, the lower extreme of connecting seat is provided with the jack, rotate the cover and can get into in the jack, be provided with spacing portion between jack and the rotation cover, when rotating the cover and get into the jack and spacing portion is effective, rotate the cover spacing in the jack.

The periphery of the connecting shaft is provided with a convex rib, the inner periphery of the insertion hole is provided with a groove, and when the connecting shaft enters the insertion hole and the convex rib enters the groove, the connecting shaft rotates and is limited in the insertion hole.

The end of the concave hole is provided with a guide inclined plane.

The utility model discloses a convenient fixing device for the wheel hub, including shrinkage pool, the shrinkage pool week side is provided with a plurality of radial notches, the week side of rotating the cover set up with the bump/radial protruding edge of radial notch looks adaptation, when the bump/radial protruding edge that rotates the cover got into the radial notch in the shrinkage pool in, it is static relatively with the shrinkage pool to rotate the cover.

Comprises a supporting frame, the supporting frame is erected on a mop bucket, a rotating shaft is arranged in the middle of the supporting frame, and a dewatering basket is rotatably connected to the rotating shaft.

The one-way transmission device comprises a driving structure and a clutch structure, the driving mechanism comprises an internal thread sleeve, a fixed shaft and a rotary sleeve, the internal thread sleeve is fixedly arranged in the inner rod, the fixed shaft penetrates through the outer rod, one end of the fixed shaft is fixedly arranged on the outer rod, the other end of the fixed shaft is rotatably connected with the rotary sleeve, a plurality of bulges/external threads matched with the internal thread sleeve are arranged on the side edge of the rotary sleeve, the rotary sleeve rotates in the internal thread sleeve constantly in the process of extending and shortening the mop rod, the clutch structure is further arranged on the fixed shaft, the rotary sleeve can drive the fixed shaft and the inner rod to rotate through the clutch structure, when the mop rod is pressed down, the clutch mechanism is effective, under the action of the driving mechanism, the linear motion of the inner rod and the outer rod is converted into the rotary motion of the mop head, when the mop rod is pulled up, the clutch mechanism fails, no mutual driving exists between the inner rod and the outer rod, the inner rod and the mop head can rotate relative to the outer rod or stop rotating relative to the outer rod under the action of inertia.

The clutch structure comprises a positioning sleeve, one end of the fixed shaft is fixedly provided with the positioning sleeve, the end part of the fixed shaft is provided with a blocking part, the rotary sleeve is rotatably connected between the positioning sleeve and the blocking part, the contact end surfaces of the rotary sleeve and the positioning sleeve are provided with tooth-shaped surfaces which can be meshed with each other, when the mop rod is pressed down, the tooth-shaped surfaces of the rotary sleeve and the positioning sleeve are meshed with each other, and the rotary sleeve drives the positioning sleeve to rotate and realizes the rotation of the inner rod and the mop head; when the mop rod is pulled upwards, the tooth-shaped surfaces of the positioning sleeve and the rotating sleeve are separated, the rotating sleeve idles on the fixed shaft.

The bottom of the internal thread sleeve is provided with a necking, and the rotating sleeve cannot be separated from the internal thread sleeve under the action of the necking.

A spring is arranged between the blocking part and the rotary sleeve and gives force to the rotary sleeve to move towards the positioning sleeve.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

1. mop head below is rotated and is connected with the rotation cover, rotates the cover and can rotate relatively with the mop head, during the dehydration, supports when wasing through rotating the cover and leans on, rotates the cover and be the transmission piece between mop head and the dehydration basket, and the activity degree of freedom of rotating the cover is high, and the dehydration basket rotates/is static relatively, also can rotate by relative mop head, lets the more flexibility of cleaning process, effectively reduces the friction between mop head and the dehydration basket through rotating the cover, extension product life. Moreover, the rotating sleeve is matched with the concave hole in a face-to-face mode, so that the mop head can be effectively placed and inclined in use.

2. The middle part of dehydration basket is provided with the shrinkage pool, and when the dehydration, the rotation cover of mop head is spacing in the shrinkage pool to, the mop head is at high-speed pivoted in-process, rotates the cover and can't break away from the shrinkage pool, owing to get rid of the water process, the mop head rotates at high-speed, if do not have spacingly, the mop head can collide with the dehydration basket under the effect of centrifugal force, consequently carries out spacing protection through the shrinkage pool, guarantees the stability of settling in the mop head use, guarantees user's result of use.

3. The utility model discloses a connecting axle is extended to the lower extreme of connecting seat, it is provided with the jack to rotate the cover middle part, the periphery of connecting axle is provided with protruding muscle, the interior week of jack is provided with the recess, gets into the jack and when protruding muscle got into the recess, the connecting axle rotates spacingly in the jack, through protruding muscle and the mutual chucking of recess and realize rotating cover and connecting seat rotation, makes the user install convenient through chucking connection structure.

4. The utility model discloses a shrinkage pool week side is provided with a plurality of radial notches, the week side of rotating the cover set up with the bump/radial protruding edge of radial notch looks adaptation, when the bump/radial protruding edge that rotates the cover get into the radial notch in the shrinkage pool in, it is static relatively with the shrinkage pool to rotate the cover, through spacing rotating the cover, guarantees at mop head pivoted in-process, rotates the cover and only rotates relatively the mop head, avoids the impact of other stresses to rotating the cover, the motion is more single, the atress is more stable, the life-span of product also can be ensured.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is one of the schematic internal structural diagrams of the present invention;

FIG. 3 is an enlarged schematic view of FIG. 2 at A;

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

fig. 5 is a second schematic view of the internal structure of the present invention;

FIG. 6 is an enlarged schematic view of FIG. 5 at C;

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

FIG. 8 is an enlarged view of the structure at E in FIG. 5;

FIG. 9 is one of the schematic views of the explosion structure of the present invention

FIG. 10 is an enlarged view of the structure of FIG. 9 at F;

fig. 11 is a second schematic diagram of the explosion structure of the present invention;

FIG. 12 is an enlarged schematic view of FIG. 11 at G;

fig. 13 is a schematic view of the structure of the dewatering basket of the present invention.

In the figure: 1-mop rod; 10-outer pole; 11-an inner rod; 12-snapping; 13-mop disk; 14-a connecting seat; 141-a connecting shaft; 142-a rib; 15-rotating the sleeve; 151-jack; 152-a groove; 2, a mop bucket; 20-a handle; 21-a support frame; 22-a dewatering basket; 221-concave holes; 222-a guide ramp; 223-radial notches; 23-a rotating shaft; 24-a wipe; 41-internal thread sleeve; 411-necking; 42-a locking member; 43-a fixed shaft; 431-a stop; 44-a positioning sleeve; 441-positioning sleeve tooth-shaped surface; 45-rotating sleeve; 451-rotating a toothed surface; 452-a bump; 46-spring.

Detailed Description

The invention will be further described with reference to the following detailed description of embodiments thereof, with reference to the accompanying drawings, in which figures 1-13 show:

a novel cleaning tool comprises a mop and a mop barrel 2, wherein the lower end of a mop rod is hinged with a mop head with a wiping object, the mop rod 1 at least comprises an inner rod 11 and an outer rod 10, the inner rod 11 and the outer rod 10 can rotate mutually, and the mop rod 1 can be shortened and lengthened through sleeving; a one-way transmission device is arranged between the inner rod 11 and the outer rod 10, the short mop rod 1 is pressed downwards, the one-way transmission device takes effect, the inner rod 11 rotates in one way relative to the outer rod, the inner rod 11 and the mop head are driven to rotate, the mop rod 1 is pulled upwards, the one-way transmission device fails, the inner rod 11 and the outer rod 10 are not driven mutually, and the inner rod 11 and the mop head can rotate relative to the outer rod 10 or stop rotating relative to the outer rod 10 under the inertia effect;

changing the scheme of continuously pressing down and pulling up the mop rod and continuously and rotatably cleaning the mop head in the background technology, if a user pulls up the mop head to drive the mop head to rotate, a large pulling-up force is necessarily applied, and when the pulling-up force is applied, the mop head can be pulled out of the mop bucket. Therefore, in the pulling-up process of the utility model, the one-way transmission device fails, the mop head is not stressed, and a user does not need to apply a large external force to drive the mop head to rotate, so that the user stores power for the next pushing-down, and the operation effect of the user is ensured;

the wipe 24 of the mop head is of conventional design and therefore not described in detail and shown in the drawings in greater detail, the wipe 24 preferably being a cotton thread spool of good water absorbency;

the mop head comprises a connecting seat 14 and a mop disc 13, the mop disc 13 is fixedly arranged on the connecting seat 14, the connecting seat 14 is rotatably connected to the mop rod 1, the hinging mode between the mop rod 1 and the connecting seat 14 is the existing design, so that no specific description is given, the lower end of the connecting seat 14 is rotatably connected with a rotating sleeve 15, and the rotating sleeve 15 can rotate relative to the mop head;

the mop bucket 2 is internally provided with a rotatable dewatering basket 22, the dewatering basket 22 is preferably positioned above the water level line, when cleaning is guaranteed, the wiping material 24 can be effectively immersed in water, when the mop bucket is dewatered, the wiping material 24 is not contacted with sewage/cleaning liquid, the dewatering effect is guaranteed, when the mop bucket is dewatered, the mop rod 1 is pressed down to be short to drive the mop head to rotate, the dewatering basket 22 is driven by the mop head to rotate, the wiping material 24 on the mop head is dewatered by utilizing centrifugal force, a concave hole 221 is formed in the middle of the dewatering basket 22, when the mop is dewatered, a rotating sleeve 15 of the mop head is limited in the concave hole 221, in the process of high-speed rotation of the mop head, the rotating sleeve 15 cannot be separated from the concave hole 221, due to the water throwing process, the mop head rotates at high speed, if the mop head is not limited, the mop head collides with the dewatering basket 22 under the action of centrifugal force, and is limited and protected through the concave hole 221, the stability of the mop head in the using process is ensured, and the using effect of a user is ensured; during the dehydration, support when wasing through rotating cover 15 and lean on, rotate cover 15 and be the transmission piece between mop head and the dehydration basket 22, the activity degree of freedom that rotates cover 15 is high, and the dehydration basket rotates/is static relatively, also can rotate the mop head relatively, lets more nimble of cleaning process, effectively reduces the friction between mop head and the dehydration basket 22 through rotating the cover, extension product life. Moreover, the rotating sleeve 15 enters the concave hole 221 to be matched with the concave hole in a face-to-face mode, so that the mop head can be effectively placed and inclined in use.

A connecting shaft 141 extends out of the lower end of the connecting seat 14, an insertion hole 151 is formed in the middle of the rotating sleeve 15, a limiting part is arranged between the connecting shaft 141 and the insertion hole 151, and when the connecting shaft 141 enters the insertion hole 151 and the limiting part is effective, the connecting shaft 141 is limited in the insertion hole 151; or, the lower end of the connecting seat 14 is provided with an insertion hole 151, the rotating sleeve 15 extends out of the connecting shaft 141, a limiting part is arranged between the connecting shaft 141 and the insertion hole 151, and when the connecting shaft 141 enters the insertion hole 151 and the limiting part is effective, the connecting shaft 141 is limited in the insertion hole 151; or, the lower extreme of connecting seat 14 is provided with jack 151, rotate the cover 15 and can get into jack 151, be provided with spacing portion between jack 151 and the rotation cover 15, when rotating cover 15 and get into jack 151 and spacing portion is effective, rotate the cover 15 spacing in jack 151, this section content design multiple rotation connection's scheme, all can realize the mutual rotation through spacing portion, guarantee the stability of structure.

In order to effectively rotate the rotating sleeve 15 around the connecting seat 14, a mounting gap Q is provided between the rotating sleeve 15 and the connecting seat 14, as shown in fig. 6, so as to avoid the mutual friction between the rotating sleeve 15 and the connecting seat 14 and ensure the structural stability.

The periphery of connecting axle 141 is provided with protruding muscle 142, the internal week of jack 151 is provided with recess 152, and when connecting axle 141 got into jack 151 and protruding muscle 142 got into recess 152, connecting axle 141 rotated spacing in jack 151, through protruding muscle 142 and the mutual chucking of recess 152 and realize rotating sleeve 15 and connecting seat 14 mutual rotation, made the user install convenient through the chucking connection structure. Or, the outer circumference of the connecting shaft 141 is provided with a convex rib, the inner circumference of the insertion hole is also provided with a convex rib, and when the connecting shaft 141 enters the insertion hole 151 and the two convex ribs are clamped with each other, the connecting shaft 141 rotates and is limited in the insertion hole 151; or, a groove is arranged on the outer periphery of the connecting shaft 141, a convex rib is arranged on the inner periphery of the insertion hole, and when the connecting shaft enters the insertion hole and the convex rib enters the groove, the connecting shaft is limited in the insertion hole in a rotating mode; the content of this section is specific chucking connection scheme, all can realize connecting axle 141 and rotate the spacing and rotate between the cover 15 and be connected, according to actual production, preferably sets up protruding muscle 142 for connecting axle 141, and jack 151 sets up the scheme of recess 152.

The tip of shrinkage pool 221 is provided with direction inclined plane 313, lead through direction inclined plane 313, convenient to use person will rotate cover 15 and place and get into in the shrinkage pool 221, actually dewater basket 22 and mop head looks adaptation, when the mop head is placed to needs getting rid of water, wipe 24 contacts with dehydration basket 22, it has been located the top of shrinkage pool 221 to rotate cover 15, there is and only the axis deviation of little distance, the user only need remove about/rock and can accurately find the hole site, will rotate cover 15 and place in shrinkage pool 221.

Concave hole 221 week side is provided with a plurality of radial notches 223, week side setting of rotating sleeve 15 with the bump/radial protruding edge of radial notch 223 looks adaptation, when the bump/radial protruding edge that rotates sleeve 15 gets into in the radial notch 223 in the concave hole 221, it is relatively static with concave hole 221 to rotate sleeve 15, through spacing rotating sleeve 15, guarantee at mop head pivoted in-process, rotating sleeve 15 only rotates relatively the mop head, avoid the impact of other stresses to rotating sleeve 15, the motion is more single, the atress is more stable, the life-span of product also can be ensured. Preferably, the protrusions are referenced to the protrusions 452 of the rotating sleeve 45, and the protrusions are not shown in the figures.

Including support frame 21, support frame 21 erects on mop bucket 2, and support frame 21 middle part is provided with pivot 23, rotates in pivot 23 and is connected with dehydration basket 22, and the rotation between dehydration basket 22 and support frame 21 is connected through pivot 23, realizes the high-speed rotation of getting rid of water in-process mop head through the less dehydration basket 22 of resistance, promotes the dehydration effect.

The one-way transmission device comprises a driving structure and a clutch structure, the driving mechanism comprises an internal thread sleeve 41, a fixed shaft 43 and a rotating sleeve 45, the internal thread sleeve 41 is fixedly arranged in the inner rod 11, the fixed shaft 43 is arranged in the outer rod 10 in a penetrating manner, one end of the fixed shaft 43 is fixedly arranged on the outer rod 11, one end of the fixed shaft 43 is fixedly provided with a locking part 42, the locking part 42 is a plastic part and is fixed with one end of the outer rod 10 in a stamping manner, the other end of the fixed shaft 43 is rotatably connected with the rotating sleeve 45, the side edge of the rotating sleeve 45 is provided with a plurality of bulges 452/external threads matched with the internal thread sleeve 41, in the process of extending and shortening the mop rod 1, the rotating sleeve 45 rotates in the internal thread sleeve 41 at any moment, the clutch structure is further arranged on the fixed shaft 43, the rotating sleeve 45 can drive the fixed shaft 43 and the inner rod 11 to rotate through the clutch structure, and the mop rod is pressed down, the clutch mechanism is effective, under the action of the driving mechanism, the linear motion of the inner rod 10 and the outer rod 11 is converted into the rotary motion of the mop head, when the mop rod 1 is pulled upwards, the clutch mechanism fails, the inner rod 11 and the outer rod 10 are not driven mutually, the inner rod 11 and the mop head can rotate relative to the outer rod 10 or stop rotating relative to the outer rod 10 under the action of inertia, and one-way transmission is realized through the structure.

The clutch structure comprises a positioning sleeve 44, one end of a fixed shaft 43 is fixedly provided with the positioning sleeve 44, the end part of the fixed shaft is provided with a blocking part 431, the rotary sleeve 45 is rotatably connected between the positioning sleeve 44 and the blocking part 431, the contact end surfaces of the rotary sleeve 45 and the positioning sleeve 44 are provided with tooth-shaped surfaces which can be mutually meshed, when the mop rod 1 is pressed down, the rotary sleeve 45 is meshed with the tooth-shaped surfaces of the positioning sleeve 44, the rotary sleeve 45 drives the positioning sleeve 44 to rotate, and the inner rod 11 and the mop head rotate; when the mop rod 1 is pulled up, the tooth-shaped surfaces of the positioning sleeve 44 and the rotating sleeve 45 are separated, the rotating sleeve 45 idles on the fixed shaft 43.

The bottom of the internal thread sleeve 41 is provided with a reducing opening 411, the rotating sleeve 45 can not be separated from the internal thread sleeve 41 under the action of the reducing opening 411, in order to avoid the separation between the inner rod 11 and the outer rod 11 and ensure the stability in the using process, the reducing opening 411 is preferably slightly larger than the outer diameter of the fixed shaft 43, and lubricating oil is required to be added between the two for lubrication.

A spring 46 is arranged between the stopping part 431 and the rotating sleeve 45, the spring 46 gives a force to the rotating sleeve 45 to move towards the positioning sleeve 44, the rotating sleeve 45 is prevented from being separated from the positioning sleeve 44 due to gravity, and in fact, in the process of pulling up and pressing down the mop rod, the radial force of the internal thread sleeve 41 is exerted on the rotating sleeve 45, so that the tooth-shaped surfaces of the positioning sleeve 44 and the rotating sleeve 45 are separated/meshed.

The snapping 12 is designed in the prior art and is used for locking the inner rod 11 and the outer rod 10, when a user needs to clean/throw water, the snapping 12 is loosened, the inner rod 11 and the outer rod 10 can rotate relatively, when the user needs to mop the ground, the snapping 12 is closed, the inner rod 11 and the outer rod 10 are locked by snapping, the inner rod 11 and the outer rod 10 cannot rotate relatively, and the stability of the structure is guaranteed. The structure of the snap 12 can be referred to patent numbers: 201621322791.0.

the above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A novel cleaning tool comprises a mop and a mop barrel, wherein the lower end of a mop rod is hinged with a mop head with a wiping object, the mop rod at least comprises an inner rod and an outer rod, the inner rod and the outer rod can rotate mutually, and the mop rod can be shortened and lengthened through sleeving; the method is characterized in that: a one-way transmission device is arranged between the inner rod and the outer rod, the short mop rod is pressed downwards, the one-way transmission device takes effect, the inner rod rotates in a one-way mode relative to the outer rod, the inner rod and the mop head are driven to rotate, the mop rod is pulled upwards, the one-way transmission device fails, mutual driving does not exist between the inner rod and the outer rod, and the inner rod and the mop head can rotate relative to the outer rod or stop rotating relative to the outer rod under the action of inertia;

2. The novel cleaning implement according to claim 1, characterized in that: a connecting shaft extends out of the lower end of the connecting seat, an insertion hole is formed in the middle of the rotating sleeve, a limiting part is arranged between the connecting shaft and the insertion hole, and when the connecting shaft enters the insertion hole and the limiting part is effective, the connecting shaft is limited in the insertion hole; or the lower end of the connecting seat is provided with an insertion hole, the rotating sleeve extends out of the connecting shaft, a limiting part is arranged between the connecting shaft and the insertion hole, and when the connecting shaft enters the insertion hole and the limiting part is effective, the connecting shaft is limited in the insertion hole; or, the lower extreme of connecting seat is provided with the jack, rotate the cover and can get into in the jack, be provided with spacing portion between jack and the rotation cover, when rotating the cover and get into the jack and spacing portion is effective, rotate the cover spacing in the jack.

3. The novel cleaning implement according to claim 2, characterized in that: the periphery of the connecting shaft is provided with a convex rib, the inner periphery of the insertion hole is provided with a groove, and when the connecting shaft enters the insertion hole and the convex rib enters the groove, the connecting shaft rotates and is limited in the insertion hole.

4. The novel cleaning implement according to claim 1, characterized in that: the end of the concave hole is provided with a guide inclined plane.

5. The novel cleaning implement of claim 1 or 4, wherein: the utility model discloses a convenient fixing device for the wheel hub, including shrinkage pool, the shrinkage pool week side is provided with a plurality of radial notches, the week side of rotating the cover set up with the bump/radial protruding edge of radial notch looks adaptation, when the bump/radial protruding edge that rotates the cover got into the radial notch in the shrinkage pool in, it is static relatively with the shrinkage pool to rotate the cover.

6. The novel cleaning implement according to claim 1, characterized in that: comprises a supporting frame, the supporting frame is erected on a mop bucket, a rotating shaft is arranged in the middle of the supporting frame, and a dewatering basket is rotatably connected to the rotating shaft.

7. The novel cleaning implement according to claim 1, characterized in that: the one-way transmission device comprises a driving structure and a clutch structure, the driving mechanism comprises an internal thread sleeve, a fixed shaft and a rotary sleeve, the internal thread sleeve is fixedly arranged in the inner rod, the fixed shaft penetrates through the outer rod, one end of the fixed shaft is fixedly arranged on the outer rod, the other end of the fixed shaft is rotatably connected with the rotary sleeve, a plurality of bulges/external threads matched with the internal thread sleeve are arranged on the side edge of the rotary sleeve, the rotary sleeve rotates in the internal thread sleeve constantly in the process of extending and shortening the mop rod, the clutch structure is further arranged on the fixed shaft, the rotary sleeve can drive the fixed shaft and the inner rod to rotate through the clutch structure, when the mop rod is pressed down, the clutch mechanism is effective, under the action of the driving mechanism, the linear motion of the inner rod and the outer rod is converted into the rotary motion of the mop head, when the mop rod is pulled up, the clutch mechanism fails, no mutual driving exists between the inner rod and the outer rod, the inner rod and the mop head can rotate relative to the outer rod or stop rotating relative to the outer rod under the action of inertia.

8. The novel cleaning implement according to claim 7, characterized in that: the clutch structure comprises a positioning sleeve, one end of the fixed shaft is fixedly provided with the positioning sleeve, the end part of the fixed shaft is provided with a blocking part, the rotary sleeve is rotatably connected between the positioning sleeve and the blocking part, the contact end surfaces of the rotary sleeve and the positioning sleeve are provided with tooth-shaped surfaces which can be meshed with each other, when the mop rod is pressed down, the tooth-shaped surfaces of the rotary sleeve and the positioning sleeve are meshed with each other, and the rotary sleeve drives the positioning sleeve to rotate and realizes the rotation of the inner rod and the mop head; when the mop rod is pulled upwards, the tooth-shaped surfaces of the positioning sleeve and the rotating sleeve are separated, the rotating sleeve idles on the fixed shaft.

9. The novel cleaning implement according to claim 7, characterized in that: the bottom of the internal thread sleeve is provided with a necking, and the rotating sleeve cannot be separated from the internal thread sleeve under the action of the necking.

10. The novel cleaning implement according to claim 8, characterized in that: a spring is arranged between the blocking part and the rotary sleeve and gives force to the rotary sleeve to move towards the positioning sleeve.