CN214484428U

CN214484428U - Dynamic airtight structure of rotating shaft of mop head

Info

Publication number: CN214484428U
Application number: CN202022773320.4U
Authority: CN
Inventors: 左明; 陈家伟
Original assignee: Wuchuqizuo Dongguan Technology Co ltd
Current assignee: Wuchuqizuo Dongguan Technology Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-10-26
Anticipated expiration: 2030-11-26

Abstract

The utility model relates to a rotation axis developments airtight structure of mop head, including dragging first gear, first gear from top to bottom respectively the first gear shaft of integrated into one piece and second gear shaft, first gear shaft and second gear shaft install in the inner circle of first bearing and second bearing, second gear shaft and rotation tow head pivot threaded connection, first gear shaft, second gear shaft and rotation tow head pivot connect gradually and form the rotation axis, rotation axis rotation direction with rotate tow head pivot screw opposite direction. The utility model discloses a structure as an organic whole of first gear shaft, second gear shaft and first gear, the rotation of rotating the mop head pivot and second gear shaft threaded connection to make first gear constitute the drive with the rotation of rotating the mop head pivot and rotate the rotation axis of mop head, and rotation axis cavity forms steam passage, and steam directly carries the rotation mop head from steam passage, and this in-process steam does not get into in the mop seat, realizes dynamic airtight structure.

Description

Dynamic airtight structure of rotating shaft of mop head

Technical Field

The utility model relates to the technical field of daily necessities, especially indicate a rotation axis dynamic airtight structure of mop head.

Background

The mop is one of our articles for daily use, common mop has multiple styles such as electronic mop and manual mop, current mop generally needs manual mop of soaking and manual dehydration, need consume great strength, people have designed electronic mop in order to solve hard problem, but general carpet (ground) of family has multi-purpose decontamination essence clean behind the dirt, it is better with hot rag cleaning performance when scrubbing, but when meeting the carpet of large tracts of land needs to clean, just very inconvenient with hot rag, and the effect is poor, therefore people have designed steam mop.

The applicant always thinks how to combine the electric drive with the steam, and when the existing mop head rotates, the air tightness is not good, and the steam generated by the steam module easily enters the mop head, so that the electric system is damaged.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a rotation axis dynamic airtight structure of mop head can solve and carry steam simultaneously when electronic mop is rotatory, avoids in vapour gets into the mop seat.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a rotation axis developments airtight structure of mop head, is including dragging first gear, first gear of upper and lower integrated into one piece first gear shaft and second gear shaft respectively of first gear, first gear shaft and second gear shaft install in the inner circle of first bearing and second bearing, second gear shaft with rotate and drag first pivot threaded connection, first gear shaft, second gear shaft and rotate and drag first pivot and connect gradually and form the rotation axis, rotation axis direction of rotation and rotation drag first pivot screw thread opposite direction.

Preferably, an oil seal is arranged above the first bearing, and the first gear shaft is arranged on an inner ring of the oil seal.

Preferably, the oil seal comprises an annular metal framework and an annular rubber body wrapping the surface of the annular metal framework, a lip is formed on the inner wall of the annular rubber body along the axial direction, a locking spring is arranged along the circumferential direction of the first lip, the first gear shaft is installed on the inner ring of the oil seal, and the inner surface of the lip is tightly attached to the first gear shaft.

The utility model discloses the theory of operation: the utility model adopts the structure that the first gear shaft, the second gear shaft and the first gear are integrated, the rotating shaft of the rotating mop head is connected with the second gear shaft by screw thread, thereby the first gear and the rotating shaft of the rotating mop head form a rotating shaft for driving the rotating mop head to rotate, the rotating shaft is hollow to form a steam channel, steam is directly conveyed to the rotating mop head from the steam channel, the steam does not enter the mop seat in the process, a dynamic airtight structure is realized, the rotating mop head rotates while keeping the steam not enter the mop seat, in order to further prevent steam from entering the mop seat, two ends of the rotating shaft are arranged in through holes at the top and the bottom of the mop seat in a penetrating way, an oil seal is arranged at the connecting position of the rotating shaft and the top of the mop seat, a through hole in the top of the mop seat is sealed by the top surface of the oil seal, an inner ring of the oil seal is tightly attached to the gear shaft wall of the first gear, a lip of the oil seal is tightly attached to an inner ring of the bearing, and the oil seal realizes dual air tightness.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is the schematic structural diagram of the present invention for dismantling the steam module.

Fig. 3 is a schematic structural view of the present invention in another direction for removing the steam module.

Figure 4 is a schematic view of the structure of the mop handle.

Fig. 5 is a schematic view of the mop head.

Fig. 6 is an exploded view of the mop head.

Fig. 7 is a perspective view of the upper case.

Fig. 8 is an internal structural view of the mop head.

Fig. 9 is a schematic connection diagram of the first gear.

Fig. 10 is a schematic view of the internal mounting of the second gear.

Fig. 11 is a schematic structural view of the second gear.

Fig. 12 is a schematic structural view of a steam module.

Fig. 13 is an exploded view of the steam module.

Description of reference numerals: 1. a mop handle; 11. an upper handle portion; 12. a rod body; 13. a lower handle portion; 2. a mop head; 21. a mop base; 211. an upper shell; 2111. air holes; 212. a lower case; 22. an electric drive module; 221. a motor; 222. a screw; 223. a second gear; 2231. a step surface; 2232. a card slot; 224. a first gear; 225. oil sealing; 226. rotating the mop head; 227. a clamp spring; 23. a first water tank; 24. a water pump; 25. a spray head; 26. a magnet; 27. a decorative plate; 3. a steam module; 31. a second housing; 32. a second water tank; 33. a steam water pump; 34. a heat generating substrate; 35. a steam generator; 36. a power-on plug; 37. a circuit board; 4. and a control mechanism.

Detailed Description

Referring to fig. 1-13, a dynamic airtight structure of a rotating shaft of a mop head is applied to a mop with a combination of a steam module and an electric driving module, the mop includes a mop handle 1, an electric mop head 2 is arranged at the end of the mop handle 1, the electric mop head 2 is detachably provided with the steam module 3, the mop handle 11 includes an upper handle 11, a rod 12 and a lower handle 13, the upper handle 11 and the lower handle 13 are detachably connected to the upper and lower ends of the rod 12, a control mechanism 4 is arranged on the surface of the upper handle 11, a power supply is arranged in the upper handle 11 and electrically connected to the control mechanism 4, the control mechanism 4 is connected to the electric mop head 2 and the steam module 3, and the control mechanism 4 can control the electric mop head 2 and the steam module 3 in a wired or wireless manner. Present mop has electronic mop and steam mop respectively, therefore how control mechanism 4 controls electronic mop and steam module 3 and is prior art, and the utility model provides a how realize the mop can realize the electronic mop function, realize the steam mop function simultaneously, and make both combine how to realize rotating to drag head 226 when rotatory, steam can not get into in the electronic mop, steam module 3 steam production export has, electronic mop head 2 have the rotation axis and rotate and drag head 226, the hollow structure of rotation axis forms steam channel, steam channel's entry and steam production export airtight connection, steam channel's export is located and is rotated and is dragged head 226 bottom.

Preferably, the electric mop head 2 includes a mop base 21, the mop base 21 includes an upper shell 211 and a lower shell 212, the lower shell 212 is movably connected with the lower handle 13, the upper shell 211 is detachably connected with the lower shell 212 through screws, the rotary mop head 226 is disposed below the mop base 21, a rotary shaft of the rotary mop head 226 is disposed on the rotary mop head 226, through holes with the same axial line are respectively disposed at the top and the bottom of the mop base 21, a close-fitting groove is disposed at the through hole in the interior of the mop base 21, a first gear 224 is disposed in the mop base 21, a first gear shaft and a second gear shaft are respectively integrally formed at the top and the bottom of the first gear 224, the first gear shaft is mounted in the first bearing 282 and the oil seal 225 and penetrates through the through hole at the top of the mop base 21, the first bearing 282 and the close-fitting groove are disposed in an interference fit manner, and the oil seal 225 is used for sealing a gap between the first gear shaft and the through hole at the top of the mop base 21, The clearance between the inner ring surface of the oil seal 225 and the shaft wall of the first gear shaft, the clearance between the first bearing 282 and the first gear shaft, the second gear shaft is arranged in the second bearing 283 and penetrates through a through hole at the bottom of the mop seat 21, the second bearing 283 and the close-fitting groove are arranged in an interference fit manner, the first gear 224 is rotationally connected in the mop seat 21 through the first gear shaft and the second gear shaft, the outer ring of the bearing is tightly connected with the close-fitting groove of the mop seat 21 to play a role of connecting and fixing a support, the inner ring of the bearing is responsible for rotating the gear shaft, so that when the first gear 224 rotates relative to the mop seat 21, the hard collision between the first gear 224 and the mop seat 21 is effectively avoided, the vibration and the noise generated by the hard collision are effectively avoided, the noise generated by the existing electric mop is solved, the second gear shaft is in threaded connection with the rotating shaft of the rotating mop head 226, the rotating shaft of the rotating mop head 226 is provided with external threads, the free end of the second gear shaft is provided with an internal thread, the rotary mop head 226 is connected with the first gear 224 through the screwing of the external thread and the internal thread, the rotary mop head 226 comprises a rotary disc and a mop adhered to the surface of the rotary disc, the rotary disc is provided with an air outlet 2111 which is communicated with a hollow cavity (a steam channel) of a rotary shaft of the rotary mop head 226, and steam can be diffused on the mop through the air outlet 2111, so that the mop is kept moist. The first gear shaft, the second gear shaft and the rotating drag head 226 are sequentially connected to form a rotating shaft. The rotation direction of the rotating shaft is opposite to the thread direction of the rotating shaft of the rotating drag head 226. When the rotation axis rotates, there is certain horizontal direction's effort to the mop head 226 that rotates, thereby make the extrusion force increase between the screw thread of the mop head 226 of rotating and the screw thread of second gear axle, horizontal direction's extrusion force has prevented to rotate the mop head 226 and has taken place to rotate, the rotation axis rotates the mop head 2 of screwing promptly and passes through the cooperation of first gear axle, second gear axle and first bearing 282 and second bearing 283, first bearing 282 and second bearing 283 make first gear 224 reduce with the mop seat 21 rotate produced frictional force, make first gear 224 and mop seat 21 drive mop head 2 and rotate under the less condition of coefficient of friction, realize the transmission efficiency maximize, first gear axle, second gear axle, first gear 224 is integrated into one piece simultaneously, be the connection relation for dismantling between first gear 224 and the mop head 226, convenient maintenance, packing transportation. The utility model discloses an integrated into one piece has the gear of gear shaft and rotates mop 226 threaded connection, realizes dynamic airtight structure, rotates mop 226 promptly and is not a body structure with the rotation axis, nevertheless carries steam when rotating, prevents that steam from getting into in the mop seat 21, leads to electric system to damage.

Preferably, the mop seat 21 is provided with an electric driving module 22 for driving the first gear 224 to rotate, and the electric driving module 22 includes a motor and a transmission mechanism connected to the motor, and the transmission mechanism is meshed with the first gear 224 to rotate.

Preferably, the transmission mechanism is a worm gear and worm transmission mechanism, and comprises a worm 222 and a second gear 223 meshed with the worm 222, wherein the second gear 223 is meshed with the first gear 224. The output shaft of the motor is connected to the worm 222, the worm 222 rotates the second gear 223, the second gear 223 rotates the first gear 224, and the rotary lug 226 rotates.

Preferably, the rotary drag head 226 comprises a first rotary drag head 226 and a second rotary drag head 226 with opposite rotation directions, the transmission mechanism is a worm and gear 222 transmission mechanism, and comprises a worm 222 and a second gear 223 arranged on two sides of the worm 222 and engaged with each other, the second gear 223 is engaged with the first gear 224, the first rotary drag head 226 and the second rotary drag head 226 are respectively connected with the first gear 224 on two sides, an output shaft of the motor is connected with the worm 222, the worm 222 drives the second gear 223 on two sides to rotate, and the second gear 223 drives the first gear 224 to rotate, so as to drive the first rotary drag head 226 and the second rotary drag head 226 to rotate in opposite directions. Mops for mopping the floor are mounted at the bottoms of the first rotating mop head 226 and the second rotating mop head 226. The bottom of the mop head 2 is provided with wheels for preventing the motor 221 from overloading due to excessive friction between the first rotating mop head 226 and the second rotating mop head 226 and the ground.

Preferably, an inner hole of the second gear 223 is provided with a step surface 2231, an inner wall of the second gear 223 is provided with a clamping groove 2232, and the bearing 281 is limited and mounted on the step surface 2231 by the clamping spring 227 and the clamping groove 2232 in a matched and clamped manner, so that the second gear 223 can be rotatably mounted in the mop base 21. The second gear 223 is connected with the mop base 21 through the bearing 281, so that the second gear 223 is prevented from being connected with the mop base 21, the friction between the second gear 223 and the mop base 21 is reduced, and the maximum transmission efficiency is realized.

Preferably, oil blanket 225 include annular metal framework and wrap up the annular rubber body on annular metal framework surface, the inner wall of annular rubber body is formed with the lip along the axial, circumference along first lip is provided with locking spring, first gear shaft is installed in oil blanket 225, the lip internal surface is hugged closely with first gear shaft, play and prevent that steam from getting into in mop seat 21 through-hole in mop seat 21 top, locking spring makes the lip hug closely first gear shaft surface further step, thereby further avoid steam to get into mop head 2, oil blanket 225 below is located to first bearing 282, between the first bearing 282 inner and outer circle is hugged closely to the lip edge, further avoid steam to get into in mop head 2.

Preferably, a water tank 23 and a water pump 24 are arranged in the mop base 21, a spray nozzle 25 is arranged at the front end of the mop base 21, and the water pump 24 is respectively connected with the water tank 23 and the spray nozzle 25 through water pipes. The mop base 21 is provided with a water injection port communicated with the water tank 23, and a detachable plunger is arranged in the water injection port. The water pump 24 is connected to the control mechanism 4 (prior art), and the water pump 24 pumps out the liquid (clear water, disinfectant or other liquid) in the water tank 23 and sprays out from the spray head 25 to wet the floor.

Preferably, steam module 3 includes second shell 31, joint on mop head 2 can be dismantled to second shell 31, second shell 31 is equipped with steam production export, steam production export and upper shell 211's gas pocket 2111 intercommunication are equipped with steam water tank 32, steam water pump 33, steam generator 35 and heating substrate 34 in it, heating substrate 34 locates the steam generator bottom, heating substrate 34 can be put through with 220V commercial power through connecting gradually electric connection circuit board 37, circular telegram plug 36, and circular telegram plug 36 inlays the lateral wall of establishing at second shell 31, circuit board 37 still with control mechanism 4 electric connection, be equipped with the display screen on the circuit board 37, this display screen inlays and establishes on the lateral wall of second shell 31. The heating substrate 34 generates heat to enable liquid flowing in the steam generator 35 to be heated and heated to become steam, the second housing 31 is provided with a water inlet, the steam water tank 32 is communicated with the water inlet, a detachable plunger is arranged on the water inlet, the steam water pump 33 is respectively connected with the steam water tank 32 and the steam generator 35, the steam generator 35 is arranged on the heating substrate 34, two ends of the steam generator 35 are respectively provided with an air outlet nozzle, the second housing 31 is provided with a steam generation outlet communicated with the mop head 2, and the air outlet nozzles are connected with the steam generation outlet through air pipes.

Preferably, the magnet 26 is embedded in the outer surface of the upper case 211, when the steam module 3 is not installed, a detachable decorative plate 27 is magnetically attracted by the magnet 26, and when the steam module 3 needs to be installed, the decorative plate 27 is removed, and the steam module 3 is installed outside the upper case 211.

Compared with the prior electric or steam mop, the utility model has the main improvement points that:

1. the electric part and the steam part are two independent modules, and the steam part can be easily disassembled and assembled and combined when in use;

2. after the steam module 3 is combined with the electric mop head, how to solve the problem of steam conveying and achieving air tightness when the mop head rotates, namely solving the problem of dynamic air tightness, the traditional static air tightness realizes a static air tightness structure through a sealing ring at a part joint, and how to realize the transmission and simultaneously convey steam, the utility model discloses a gear with a gear shaft integrated structure, the gear is in threaded connection with a rotating mop head 226, so that the gear shaft and the rotating shaft of the rotating mop head 226 form a steam channel, the gap at the joint of the gear shaft and the mop seat is sealed through an oil seal 225 at the inlet of the steam channel, and simultaneously, the gear transmission is realized through bearings at two ends of the gear shaft, thereby avoiding steam from entering the mop seat in the conveying process;

3. the electric mop can be a single mop head or two mop heads, and the two mop heads solve the problem of eccentricity of the single mop head;

4. in the mop head transmission process, the utility model discloses coefficient of friction is minimum for current electronic mop head, during worm 222 transmission second gear 223, second gear 223 is connected through the bearing with the mop seat within a definite time, also is connected through the bearing between first gear 224 and the mop seat, first gear 224 and second gear 223 all do not have promptly with the rigid contact of mop seat, effectively avoid rigid collision to produce vibration and noise, solve the noise that current electronic mop takes place.

The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.

Claims

1. The utility model provides a rotation axis developments airtight structure of mop head, is including dragging first gear, first gear respectively integrated into one piece first gear axle and second gear axle from top to bottom, its characterized in that: the first gear shaft and the second gear shaft are arranged on inner rings of the first bearing and the second bearing, the second gear shaft is in threaded connection with the rotating drag head rotating shaft, the first gear shaft, the second gear shaft and the rotating drag head rotating shaft are sequentially connected to form a rotating shaft, and the rotating direction of the rotating shaft is opposite to the thread direction of the rotating drag head rotating shaft.

2. The dynamic airtight structure of the rotation shaft of the mop head of claim 1, wherein: an oil seal is arranged above the first bearing, and the first gear shaft is arranged on an inner ring of the oil seal.

3. The dynamic airtight structure of the rotation shaft of the mop head of claim 2, wherein: the oil seal comprises an annular metal framework and an annular rubber body wrapping the surface of the annular metal framework, a lip is formed on the inner wall of the annular rubber body along the axial direction, a locking spring is arranged along the circumferential direction of the first lip, the first gear shaft is installed on the inner ring of the oil seal, and the inner surface of the lip is tightly attached to the first gear shaft.