CN206414234U

CN206414234U - Reach is unidirectional from drying of mop

Info

Publication number: CN206414234U
Application number: CN201621031489.XU
Authority: CN
Inventors: 朱雪林
Original assignee: Jiaxing Jackson Travel Products Co Ltd
Current assignee: Jiaxing Jackson Travel Products Co Ltd
Priority date: 2016-08-31
Filing date: 2016-08-31
Publication date: 2017-08-18
Anticipated expiration: 2026-08-31

Abstract

It is unidirectional from drying of mop that the utility model is related to a kind of reach.It solves existing stretching drying of mop and wrings out the problems such as effect is poor.Including sleeve and the mop rod for being arranged in sleeve, the lower end of mop rod is connected by the first swing attachment structure with least one swaying direction with wringing out swivel head, the lower end of sleeve is connected by the second swing attachment structure with least one swaying direction with mop mainboard, and first swing attachment structure with second swing attachment structure swaying direction it is identical, swivel head is wrung out to be arranged in mop mainboard, at least one piece mop subplate is hinged with mop mother board side, the circumferential Double-directional rotary of sleeve and mop rod and axially movable it is connected, one-directional rotation structure is provided between sleeve and mop rod.Advantage is：Mop rod circumferentially rotates process and is in unidirectionally only lock status, and hand departs from mop rod when wringing out, and mop rod will not also reset in the presence of reset force, so that mop rod can carry out multipurpose rotary, wring out effect more preferable.

Description

Reach is unidirectional from drying of mop

Technical field

The utility model belongs to cleaning supplies technical field, is related to mop, more particularly, to a kind of reach unidirectionally from stubborn Dust mop.

Background technology

Flat mop is a kind of common ground cleaning tool, i.e., mainly include plate body, have mop in plate body upper articulation Bar, bottom is covered with cleaning cloth.Existing flat mop needs manually to remove cleaning cloth after use, artificial afterwards to carry out clearly Wash, wring out and then re-starting installation, so not only cause the use of existing flat mop not enough to facilitate, and carry out clear Need to be operated by hand when washing and wringing out, labor intensity is big, not hygienic enough, use so undoubtedly to existing flat mop Cause great limitation.

In order to solve the problem of prior art is present, people have carried out long-term exploration, it is proposed that miscellaneous solution Scheme.For example, Chinese patent literature discloses a kind of self-wringing plane mop [application number：201220161572.4], including drag Barre, mophead and mop cloth, mop rod include pole, nipple, interior universal joint and interior fixed seat, and nipple is fixed on bar The lower end of son, interior universal joint is fixed on the lower end of nipple, and interior fixed seat is fixed on the lower end of interior universal joint；Mophead bag Coupling, outer universal joint, outer fixed seat, panel, torsion spring and pin are included, pin is by panel fixation under the both sides of outer fixed seat End, torsion spring is placed on pin, and one end pin top pressure of torsion spring is in panel, and other end pin top pressure is in outer fixed seat；Mop cloth Including cloth body and connector, connector is fixed on the centre of cloth body, and connector card is injected in the interior fixed seat of mop rod and locked.

Such scheme solves the problem of existing flat mop is inconvenient for use to a certain extent, it is not being removed cleaning The cleaning of cleaning cloth can also be completed on the premise of cloth and the problem of wring out, but be due to the program when circumferentially rotating mop rod The one-directional rotation of mop rod can not be realized, as long as so allowing for hand during drying of mop departs from mop rod, mop rod just exists Circumferentially resetted in the presence of reset force, the use for so allowing for mop is extremely inconvenient, and wring out effect and had a greatly reduced quality.

The content of the invention

The purpose of this utility model is in view of the above-mentioned problems, providing a kind of simple in construction, mop rod is unidirectional during drying of mop The reach of rotation is unidirectional from drying of mop.

To reach above-mentioned purpose, the utility model employs following technical proposal：This reach is unidirectional from drying of mop, bag Include sleeve and be arranged in the mop rod of sleeve, the lower end of mop rod is swung by first with least one swaying direction to be connected Structure is connected with wringing out swivel head, and the lower end of sleeve swings attachment structure with dragging by second with least one swaying direction Mainboard is connected, and the first swing attachment structure is identical with the swaying direction that second swings attachment structure, wrings out swivel head and wears In mop mainboard, at least one piece mop subplate is hinged with mop mother board side, it is characterised in that described sleeve and mop Bar circumference Double-directional rotary and it is axially movable be connected, between described sleeve and mop rod be provided with when mop rod along sleeve axially to Lower movement and making, which is wrung out swivel head and passed, can make sleeve be in circumferential one-directional rotation attached state with mop rod after mop mainboard One-directional rotation structure.Using one-directional rotation structure can make mop carry out wring out operation when, can cause when circumferentially rotating mop rod set Cylinder is in circumferential one-directional rotation attached state with mop rod, accordingly even when hand departs from mop rod, mop rod also will not circumferentially reset, So to wring out effect more preferably, it is more convenient to operate.

Unidirectional from drying of mop in above-mentioned reach, described one-directional rotation structure, which is provided with, can make sleeve and mop Bar recovers to circumferential Double-directional rotary attached state or changed to the control structure of reverse circumferential one-directional rotation attached state.

Unidirectional from drying of mop in above-mentioned reach, described one-directional rotation structure includes being arranged on lacking on sleeve Mouthful, the interior swing of described breach is provided with coaxial be fixed with control piece that can be movable relative to sleeve, described mop rod and is located at Ratchet post on the inside of control piece, described ratchet post outer circumferential has some ratchets, and described control piece side has ratchet, Described ratchet post slides axially with sleeve to be connected and when mop rod is axially slided to along sleeve on the outside of sleeve and through mop master Ratchet described in during plate is intermeshed with ratchet, and being provided between described control piece and sleeve can be such that the ratchet keeps and ratchet The elastic supporting member for supporting optical member of engagement.When axially promoting mop rod ratchet can be made to be intermeshed with ratchet, so circumferentially rotate and drag Mop rod will not circumferentially reset under reset force effect under ratchet effect during barre.

It is unidirectional from drying of mop in above-mentioned reach, it is provided between described ratchet post and sleeve when mop rod edge set Cylinder can carry out circumferential guiding so that ratchet and the guide frame of ratchet engagement to mop rod when sliding axially.

Unidirectional from drying of mop in above-mentioned reach, described guide frame is arranged on ratchet post including at least one One end outer circumferential and with two deep-slotted chip breakers of arc guide surface being mutually correspondingly arranged, described arc trench bottom be provided with The locating slot that deep-slotted chip breaker is connected and extended to ratchet side, the circumferential inner side of described sleeve has at least one and arcuate guide The guide pad that face leans.I.e. axial push-and-pull mop rod when guide pad slided along arc guide surface and be achieved in that mop rod axle Circumferential position adjustment is carried out into moving process, so as to ensure that the flexible rear ratchet of mop rod is intermeshed with ratchet.

Unidirectional from drying of mop in above-mentioned reach, the quantity of described deep-slotted chip breaker is two, and two deep-slotted chip breakers One end of interior corresponding arc guide surface is intersected in ratchet post one end, and the other end is extended respectively in locating slot.

Unidirectional from drying of mop in above-mentioned reach, described control structure includes being arranged on control piece side and spine Spacing between wheel post, and spacing when the control piece side stress and described in when swinging control piece tapered into so that being located at The ratchet of control piece opposite side departs from the ratchet on ratchet post.Sleeve is set to recover with mop rod to week when ratchet departs from ratchet To Double-directional rotary attached state or conversion to reverse circumferential one-directional rotation attached state, the mop rod so in the presence of reset force Realize return.

Unidirectional from drying of mop in above-mentioned reach, the first described swing attachment structure is arranged on mop boom end And the active joint in sleeve is arranged in, one end of described active joint is movably connected with mop rod, described active joint The other end be movably connected with wringing out swivel head, and described mop rod and active joint rotate the rotation direction being connected with it is described Wring out swivel head and active joint rotate connection rotation direction it is different；The second described swing attachment structure includes setting The adapter between mop mainboard and sleeve is put, described sleeve and one end of adapter are movably connected, described adapter The other end be movably connected with mop mainboard, and described mop rod rotates the rotation direction that is connected with active joint and described Sleeve is identical with the rotation direction that adapter rotates connection, and described active joint is with wringing out the rotation side that spin head is connected The rotation direction connected to being rotated with mop mainboard and adapter is identical.

It is unidirectional from drying of mop in above-mentioned reach, described active joint and wring out between swivel head and/or living Dynamic be provided between joint and mop rod can make mop mainboard automatic rotary to plumbness when mop mainboard is in free state Flexible restoring organ.

Unidirectional from drying of mop in above-mentioned reach, described flexible restoring organ includes being arranged on active joint extremely The slide slot of few one end, described wringing out rotates cephalic par or mop boom end is movably equipped with the guiding corresponding with slide slot Body, and guide way be connected be arranged on wring out in swivel head or mop rod in and act on the compression spring of guide way, it is and described Guide way be resisted against in the presence of compression spring on slide slot and can with mop mainboard rotate and be slided along slide slot, And the compression spring described in when mop mainboard is in free state promotes guide way to be slided along slide slot so that mop master Plate automatic rotary is to plumbness.

Compared with prior art, this reach is unidirectionally from the advantage of drying of mop：By the way that mop rod is stretched out simultaneously The operation of wringing out from drying of mop can easily be realized by circumferentially rotating, and mop rod circumferentially rotates process and is in unidirectional only lock shape State, even if hand departs from mop rod when wringing out, mop rod will not also reset in the presence of reset force, so that mop rod can enter Row multipurpose rotary, wrings out effect more preferable.

Brief description of the drawings

Fig. 1 is the structural representation that the utility model is provided；

Fig. 2 is enlarged drawing at A in Fig. 1；

Fig. 3 is the partial structural diagram that the utility model is provided；

Fig. 4 is enlarged drawing at B in Fig. 3；

Fig. 5 is the sectional view that the utility model is provided；

Fig. 6 is enlarged drawing at C in Fig. 5；

Fig. 7 is the sectional view at another visual angle that the utility model is provided；

Fig. 8 is enlarged drawing at D in Fig. 7.

In figure, sleeve 1, mop rod 2, first swing attachment structure 3, active joint 31, wring out the swing of swivel head 4, second Attachment structure 5, adapter 51, mop mainboard 6, mop subplate 61, one-directional rotation structure 7, breach 71, control piece 72, ratchet post 73rd, arc guide surface 731, deep-slotted chip breaker 732, locating slot 733, ratchet 74, ratchet 75, control structure 8, spacing 81, elastic reset Mechanism 9, slide slot 91, guide way 92, compression spring 93.

Embodiment

As shown in figures 1-8, this reach is unidirectional from drying of mop, including sleeve 1 and the mop rod 2 for being arranged in sleeve 1, drags The lower end of barre 2 is connected by the first swing attachment structure 3 with least one swaying direction with wringing out swivel head 4, sleeve 1 Lower end by with least one swaying direction second swing attachment structure 5 be connected with mop mainboard 6, and first swing company Binding structure 3 is identical with the swaying direction that second swings attachment structure 5, wrings out swivel head 4 and is arranged in mop mainboard 6, in mop The sidepiece of mainboard 6 is hinged with least one piece mop subplate 61, i.e., swivel head 4 of wringing out here is fixed on cleaning cloth, and cleaning cloth It is circumferential to be connected with mop subplate 61, sleeve 1 and the circumference Double-directional rotary of mop rod 2 and it is axially movable be connected, sleeve 1 and mop rod It is provided between 2 when mop rod 2 is moved axially downwards along sleeve 1 and enables to wring out swivel head 4 and pass to make sleeve 1 after mop mainboard 6 The one-directional rotation structure 7 of circumferential one-directional rotation attached state is in mop rod 2, can be with order to prevent the excessively stretching of mop rod 2 The end of mop rod 2 is set tapered, realizes mop rod 2 axially when mop rod 2 is resisted against on mop mainboard when axially extended It is spacing, in addition, one-directional rotation structure 7 is provided with sleeve 1 can be made to recover to circumferential Double-directional rotary attached state or turn with mop rod 2 The control structure 8 of reversely circumferential one-directional rotation attached state is shifted to, i.e., using one-directional rotation structure 7 mop can be made to carry out wringing out behaviour Sleeve 1 can be caused to be in circumferential one-directional rotation attached state with mop rod 2 when making, when circumferentially rotating mop rod 2, accordingly even when hand Depart from mop rod 2, mop rod 2 also will not circumferentially reset, so that wring out effect more preferably, it is more convenient to operate, and wrings out completion After sleeve 1 and mop rod 2 can be made to recover to circumferential Double-directional rotary attached state or change to reverse circumference by control structure 8 One-directional rotation attached state, mop is circumferential in the presence of reset force and axially resets.

Specifically, the one-directional rotation structure 7 in the present embodiment includes putting in the breach 71 being arranged on sleeve 1, breach 71 It is dynamic provided with can relative to the activity of sleeve 1 control piece 72, the coaxial ratchet post being fixed with positioned at the inner side of control piece 72 on mop rod 2 73, the outer circumferential of ratchet post 73 has some ratchets 74, and the side of control piece 72 has ratchet 75, ratchet post 73 and the axial direction of sleeve 1 Slide and be connected and ratchet 75 and ratchet 74 when mop rod 2 is axially slided to the outside of sleeve 1 along sleeve 1 and runs through mop mainboard 6 Intermeshing, being provided between control piece 72 and sleeve 1 can make the ratchet 75 keep the resilient support with the engagement of ratchet 74 Part, can be such that ratchet 75 is intermeshed with ratchet 74, in ratchet when so circumferentially rotating mop rod 2 when axially promoting mop rod 2 The lower mop rod 2 of 75 effects will not circumferentially reset under reset force effect, and control structure 8 here includes being arranged on control piece 72 1 Spacing 81 between side and ratchet post 73, and when the side stress of control piece 72 and the duration of oscillation of control piece 72 is tapered into away from 81 So that the ratchet 74 on the disengaging ratchet of ratchet 75 post 73 of the opposite side of control piece 72, i.e., when ratchet 75 departs from ratchet 74 Sleeve 1 is set to recover to circumferential Double-directional rotary attached state or change to reverse circumferential one-directional rotation attached state with mop rod 2, this Sample mop rod 2 in the presence of reset force realizes return.

During in order to realize that mop rod 2 is moved axially, ratchet 75 can accurately be matched with ratchet 74, ratchet post here Circumferential guiding can be carried out so that ratchet when mop rod 2 slides axially along sleeve 1 to mop rod 2 by being provided between 73 and sleeve 1 75 guide frames engaged with ratchet 74, it is preferable that guide frame here is arranged on the one end of ratchet post 73 including at least one Outer circumferential and with two deep-slotted chip breakers 732 of arc guide surface 731 being mutually correspondingly arranged, the bottom of deep-slotted chip breaker 732 be provided with The locating slot 733 that deep-slotted chip breaker 732 is connected and extended to the side of ratchet 74, the circumferential inner side of sleeve 1 has at least one and arc Guide pad slides such reality along arc guide surface 731 during the guide pad that spigot surface 731 leans, i.e. axial push-and-pull mop rod 2 Show during mop rod 2 is moved axially and carried out circumferential position adjustment, so as to ensure the flexible rear ratchet 75 of mop rod 2 and ratchet 74 Intermeshing, in order to improve guide effect, the quantity of deep-slotted chip breaker 732 can be corresponding in two, and two deep-slotted chip breakers 732 One end of arc guide surface 731 is intersected in the one end of ratchet post 73, and the other end is extended respectively in locating slot 733.

Further, the work that the first swing attachment structure 3 here is arranged on the end of mop rod 2 and is arranged in sleeve 1 Dynamic joint 31, one end and the mop rod 2 of active joint 31 are movably connected, and the other end of active joint 31 is lived with wringing out swivel head 4 It is dynamic connected, and the rotation direction that mop rod 2 is connected with the rotation of active joint 31 rotates company with wringing out swivel head 4 and active joint 31 The rotation direction connect is different；Second swing attachment structure 5 includes the adapter being arranged between mop mainboard 6 and sleeve 1 51, one end of sleeve 1 and adapter 51 is movably connected, and the other end and the mop mainboard 6 of adapter 51 are movably connected, and mop rod 2 is identical with the rotation direction that adapter 51 rotates connection with active joint 31 rotation direction and sleeve 1 that rotate connection, and activity connects First 31 rotate the rotation direction phase that the rotation direction being connected and mop mainboard 6 are connected with the rotation of adapter 51 with wringing out swivel head 4 Together, here active joint 31 and wring out between swivel head 4 and/or be provided between active joint 31 and mop rod 2 and work as mop master Plate 6 can make the automatic rotary of mop mainboard 6 to the flexible restoring organ 9 of plumbness when being in free state, wherein, bullet here Property resetting-mechanism 9 include being arranged on the slide slot 91 of at least one end of active joint 31, wring out the end of swivel head 4 or the end of mop rod 2 Portion is movably equipped with the guide way 92 corresponding with slide slot 91, and guide way 92 is connected with to be arranged on and wrings out in swivel head 4 or drag Barre 2 is interior and acts on the compression spring 93 of guide way 92, and guide way 92 is resisted against in the presence of compression spring 93 and slided It can slide on groove 91 and along slide slot 91, and be compressed when mop mainboard 6 is in free state as mop mainboard 6 is rotated Spring 93 promotes guide way 92 to be slided along slide slot 91 so that the automatic rotary of mop mainboard 6 is to plumbness.

The principle of the present embodiment is：Dragged when mop rod 2 moves axially downwards along sleeve 1 and makes to wring out swivel head 4 to pass After mainboard 6, guide pad slides along arc guide surface 731 and has been achieved in that the axle of mop rod 2 during mop rod 2 is moved axially Circumferential position adjustment is carried out into moving process, so that ensure that the flexible rear ratchet 75 of mop rod 2 is intermeshed with ratchet 74, so that Sleeve 1 can be made to be in circumferential one-directional rotation attached state with mop rod 2, accordingly even when hand departs from the mop rod 2 of mop rod 2. also not It circumferential can reset, multiple rotations can be carried out, wring out effect more preferably, after mop wring, pressing control piece 72 causes ratchet 75 It is mutually disengaged with ratchet 74, mop rod 2 releases circumferential one-directional rotation attached state, mop rod 2 is realized multiple under reset force effect Position, wherein, described reset force can be that artificial pull-back forces can also be that cleaning cloth wrings out reset force in the present embodiment.

Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.

Although more having used sleeve 1, mop rod 2, first to swing attachment structure 3, active joint 31, wring out rotation herein Rotary head 4, second swings attachment structure 5, adapter 51, mop mainboard 6, mop subplate 61, one-directional rotation structure 7, breach 71, control Product 72, ratchet post 73, arc guide surface 731, deep-slotted chip breaker 732, locating slot 733, ratchet 74, ratchet 75, control structure 8, Away from terms such as 81, flexible restoring organ 9, slide slot 91, guide way 92, compression springs 93, but it is not precluded from using other terms Possibility.Using these terms just for the sake of more easily describing and explaining essence of the present utility model, they are explained All disagreed into the additional limitation of any one with the utility model spirit.

Claims

1. a kind of reach is unidirectional from drying of mop, including sleeve (1) and the mop rod (2) for being arranged in sleeve (1), mop rod (2) lower end is connected by the first swing attachment structure (3) with least one swaying direction with wringing out swivel head (4), is covered The lower end of cylinder (1) is connected by the second swing attachment structure (5) with least one swaying direction with mop mainboard (6), and First swings attachment structure (3) and the swaying direction of the second swing attachment structure (5) is identical, wrings out swivel head (4) and is arranged in and drags In mainboard (6), at least one piece mop subplate (61) is hinged with mop mainboard (6) sidepiece, it is characterised in that described sleeve (1) with the circumferential Double-directional rotary of mop rod (2) and it is axially movable be connected, being provided between described sleeve (1) and mop rod (2) ought Mop rod (2) moved axially downwards along sleeve (1) and make to wring out swivel head (4) pass can make after mop mainboard (6) sleeve (1) with Mop rod (2) is in the one-directional rotation structure (7) of circumferential one-directional rotation attached state.

2. reach according to claim 1 is unidirectional from drying of mop, it is characterised in that described one-directional rotation structure (7) being provided with can make sleeve (1) and mop rod (2) recover to circumferential Double-directional rotary attached state or change unidirectional to reverse circumference The control structure (8) for the state that is rotatedly connected.

3. reach according to claim 2 is unidirectional from drying of mop, it is characterised in that described one-directional rotation structure (7) breach (71) being arranged on sleeve (1) is included, the interior swing of described breach (71) is provided with can be relative to sleeve (1) activity Control piece (72), the coaxial ratchet post (73) being fixed with the inside of control piece (72), described on described mop rod (2) Ratchet post (73) outer circumferential has some ratchets (74), and described control piece (72) side has ratchet (75), described spine Wheel post (73) slides axially with sleeve (1) to be connected and when mop rod (2) is axially slided to along sleeve (1) on the outside of sleeve (1) and is passed through Ratchet (75) described in when wearing mop mainboard (6) is intermeshed with ratchet (74), between described control piece (72) and sleeve (1) The elastic supporting member for supporting optical member with ratchet (74) engagement is kept provided with the ratchet (75) can be made.

4. reach according to claim 3 is unidirectional from drying of mop, it is characterised in that described ratchet post (73) and set Circumferential guiding can be carried out so that spine to mop rod (2) by being provided between cylinder (1) when mop rod (2) slides axially along sleeve (1) The guide frame that pawl (75) is engaged with ratchet (74).

5. reach according to claim 4 is unidirectional from drying of mop, it is characterised in that described guide frame is included extremely Few one is arranged on ratchet post (73) one end outer circumferential and with the arc of two arc guide surfaces (731) being mutually correspondingly arranged Shape groove (732), described deep-slotted chip breaker (732) bottom is provided with what is be connected with deep-slotted chip breaker (732) and extend to ratchet (74) side Locating slot (733), the circumferential inner side of described sleeve (1) has the guide pad that at least one leans with arc guide surface (731).

6. reach according to claim 5 is unidirectional from drying of mop, it is characterised in that described deep-slotted chip breaker (732) Quantity is that one end of arc guide surface (731) corresponding in two, and two deep-slotted chip breakers (732) is intersected in ratchet post (73) one End, the other end is extended respectively in locating slot (733).

7. the reach according to claim 3 or 4 or 5 or 6 is unidirectional from drying of mop, it is characterised in that described control Structure (8) includes the spacing (81) being arranged between control piece (72) side and ratchet post (73), and when control piece (72) side Stress and make control piece (72) swing when described in spacing (81) taper into so that positioned at control piece (72) opposite side spine Pawl (75) departs from the ratchet (74) on ratchet post (73).

8. reach according to claim 7 is unidirectional from drying of mop, it is characterised in that described first swings connection knot The active joint (31) that structure (3) is arranged on mop rod (2) end and is arranged in sleeve (1), described active joint (31) One end is movably connected with mop rod (2), and the other end of described active joint (31) is movably connected with wringing out swivel head (4), and Described mop rod (2) rotates the rotation direction being connected with active joint (31) and connect with described swivel head (4) of wringing out with activity The rotation direction that head (31) rotates connection is different；The second described swing attachment structure (5) includes being arranged on mop mainboard (6) adapter (51) between sleeve (1), one end of described sleeve (1) and adapter (51) is movably connected, and described turns The other end of joint (51) is movably connected with mop mainboard (6), and described mop rod (2) is rotated with active joint (31) and is connected The rotation direction active joint identical, described with adapter (51) rotation direction for rotating connection with described sleeve (1) (31) rotation that the rotation direction being connected and mop mainboard (6) are connected with adapter (51) rotation is rotated with wringing out swivel head (4) Direction is identical.

9. reach according to claim 8 is unidirectional from drying of mop, it is characterised in that described active joint (31) with Wring out between swivel head (4) and/or be provided between active joint (31) and mop rod (2) when mop mainboard (6) is in free shape Mop mainboard (6) automatic rotary can be made during state to the flexible restoring organ (9) of plumbness.

10. reach according to claim 9 is unidirectional from drying of mop, it is characterised in that described flexible restoring organ (9) slide slot (91) for being arranged on active joint (31) at least one end is included, described wrings out swivel head (4) end or mop rod (2) end is movably equipped with the guide way (92) corresponding with slide slot (91), and guide way (92) is connected with to be arranged on and wrings out rotation Rotary head (4) is interior or mop rod (2) is interior and acts on the compression spring (93) of guide way (92), and described guide way (92) is being pressed It is resisted against on slide slot (91) and can be slided with mop mainboard (6) rotation along slide slot (91) in the presence of contracting spring (93) Move, and the compression spring (93) described in when mop mainboard (6) is in free state promotes guide way (92) along slide slot (91) slide so that mop mainboard (6) automatic rotary is to plumbness.