CN214965143U

CN214965143U - Transmission device of electric mop

Info

Publication number: CN214965143U
Application number: CN202120688300.9U
Authority: CN
Inventors: 邓财科; 李�浩; 余水勇
Original assignee: Bear Electrical Appliance Co Ltd; Foshan Bear Intelligent Electric Appliance Co Ltd
Current assignee: Bear Electrical Appliance Co Ltd; Foshan Bear Intelligent Electric Appliance Co Ltd
Priority date: 2021-04-03
Filing date: 2021-04-03
Publication date: 2021-12-03
Anticipated expiration: 2031-04-03

Abstract

The utility model discloses a transmission of electronic mop, lower shell and apron including fixed connection, middle part between shell and the apron is provided with the motor down, the motor both sides are provided with clean carousel on the shell down, the output shaft of motor has the worm, duplicate gear is connected to worm power, duplicate gear is connected with clean carousel power, duplicate gear passes through the reference column and connects under on the shell. The utility model has the advantages of simple structure, through the design that adopts duplicate gear, guaranteed drive gear's axiality and the depth of parallelism between the gear, make the transmission more steady reliable.

Description

Transmission device of electric mop

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to a transmission of electronic mop.

Background

As an electric cleaning device, the electric mop saves more labor when being used for cleaning the ground compared with the traditional mop, and is more convenient to clean the mop cloth. With the continuous improvement of the living standard of people, more and more people begin to use the electric mop to replace the traditional manual mop. When the electric mop is used, the mop cloth can rub the ground so as to clean the ground, so that the electric mop generally adopts a worm gear transmission mechanism which can have higher torque and can effectively drive the mop cloth to move.

For example, patent No. CN201620805386.8 discloses a mop, which comprises a mop body, the mop body comprises: the device comprises a shell, a driving mechanism, a gear set and a cleaning mechanism; the three gear sets are adopted for speed change, so that the rotating speed of the cloth disc is faster, and the optimal cleaning effect is achieved; meanwhile, the load of a driving mechanism can be effectively reduced, the current is reduced, the service life is longer, the material consumption is reduced on the whole structure, and the production cost is saved. However, the structure has the problems that the requirement on the verticality between the circular fixing column and the chassis is very high, the requirement on the parallelism between the gears which are mutually driven is also very high, the plane area of the chassis is also large, the verticality is difficult to guarantee, and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electric mop's transmission, the fine above-mentioned problem of having solved, its simple structure through the design that adopts duplicate gear, has guaranteed drive gear's axiality and the depth of parallelism between the gear, makes the transmission more steady reliable.

The technical scheme of the utility model be a transmission of electronic mop, lower shell and apron including fixed connection, middle part between shell and the apron is provided with the motor down, the motor both sides are provided with clean carousel on the shell down, the output shaft of motor has the worm, worm power connects duplicate gear, duplicate gear is connected with clean carousel power, duplicate gear passes through the reference column and connects under on the shell.

Further, a lower motor fixing groove is formed in the middle of the lower shell, motor supporting blocks are arranged at the front end and the rear end of the lower motor fixing groove, an upper motor fixing groove corresponding to the lower motor fixing groove is formed in the cover plate, a motor fixing plate is arranged in the upper motor fixing groove, and a motor positioning plate is arranged at the front end of the upper motor fixing groove.

Furthermore, EVA cotton is arranged between the motor and the motor fixing plate.

Furthermore, worm bilateral symmetry on the lower shell is provided with the location fixed slot, the location fixed slot passes through screw and reference column fixed connection, duplicate gear passes through the bearing and is connected with the reference column rotation.

Further, the reference column includes last stiff end with bearing fixed connection, the lower location end of being connected with the location fixed slot, it is different with lower location end diameter to go up the stiff end, the reference column middle part is provided with the screw hole.

Furthermore, the upper end of the duplicate gear is a worm wheel meshed with the worm, the lower end of the duplicate gear is a first straight gear, the duplicate gear is rotatably connected with the positioning column through a bearing, the first straight gear is connected with a second straight gear in a meshed mode, and the upper end and the lower end of the second straight gear are rotatably connected with the cover plate and the lower shell through bearings respectively.

Furthermore, the upper end and the lower end of the second straight gear are respectively an upper shaft fixing end and a lower shaft fixing end, the cover plate is provided with an upper shaft end fixing groove matched with the upper shaft fixing end, the lower shell is provided with a lower shaft end fixing groove matched with the lower shaft fixing end, and the lower shell is further provided with a gear limiting ring coaxial with the lower shaft end fixing groove.

Furthermore, a plurality of drain holes are formed in the periphery of the cleaning rotary table, an upward protruding limiting column is arranged in the middle of the cleaning rotary table, a spline hole is formed in the limiting column, a spline matched with the spline hole is arranged on the lower portion of the second straight gear, and the cleaning rotary table is fixedly connected with the second straight gear through the spline.

Further, damping rubber pads are arranged between the upper end face of the bearing on the duplicate gear and the cover plate and between the upper end face of the bearing on the second spur gear and the cover plate.

Furthermore, a plurality of fixing columns for fixing the cover plate, and a support ring and a support plate for supporting the cover plate are distributed on the lower shell.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model integrates two gear drives on the same shaft through the design of the dual gears, compared with the existing gear drive, reduces one gear drive, improves the coaxiality of the transmission gears and the parallelism between the transmission gears, leads the transmission to be more stable and reliable, reduces the space occupied by the transmission gears, and improves the space utilization rate of the whole mop;

2. the dual gear is arranged on the lower shell through the positioning column, the positioning column is arranged in the positioning fixing groove of the lower shell through the screw, and the damping rubber pad is arranged between the cover plate and the dual gear, so that the dual gear is effectively prevented from moving up and down in the transmission process, the risk of eccentric rotation of the dual gear in the rotation process is reduced, and the whole gear transmission is stable in operation;

3. the utility model discloses with the continuous transmission of a plurality of gears, change into the transmission with duplicate gear, improved driven axiality, but still be multistage variable transmission, kept high moment of torsion, can effectual drive mop motion.

Drawings

Fig. 1 is a schematic exploded view of the present invention;

FIG. 2 is a schematic structural view of a cleaning turntable according to the present invention;

FIG. 3 is a schematic structural view of the middle and lower housings of the present invention;

fig. 4 is a schematic structural view of the positioning post of the present invention;

FIG. 5 is a schematic structural view of the worm drive of the motor of the present invention;

FIG. 6 is a schematic structural view of a dual gear of the present invention;

fig. 7 is a schematic structural view of a second spur gear in the present invention;

fig. 8 is a schematic structural view of the middle cover plate of the present invention;

fig. 9 is a schematic cross-sectional view of the center of the worm according to the present invention;

fig. 10 is a schematic cross-sectional view of the center of the dual gear of the present invention;

fig. 11 is a schematic cross-sectional view of the center of the second spur gear according to the present invention;

in the figure: 1. cleaning the turntable; 2. a lower housing; 3. a bearing; 4. a positioning column; 6. a motor; 7. a shockproof rubber pad; 8. EVA cotton; 9. a cover plate; 11. a drain hole; 12. a limiting column; 121. a splined bore; 22. a limiting ring; 23. a lower shaft end fixing groove; 24. positioning a fixed groove; 25. a lower motor fixing groove; 26. a support plate; 251. a motor support block; 41. an upper fixed end; 42. a lower positioning end; 62. a duplicate gear; 63. a second spur gear; 6321. a spline; 612. a worm; 621. a turbine; 622. a first straight gear; 91. an upper shaft end fixing groove; 93. fixing grooves on the motor; 931. a motor positioning plate; 932. motor fixed plate.

Detailed Description

To further clarify the technical solutions and effects adopted by the present application to achieve the intended purpose, the following detailed description is given with reference to the accompanying drawings and preferred embodiments according to the present application. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As shown in fig. 1 to 11, the utility model provides a transmission of electric mop, lower shell 2 and apron 9 including fixed connection, the middle part between lower shell 2 and the apron 9 is provided with motor 6, motor 6 both sides are provided with clean carousel 1 on lower shell 2, the output shaft of motor 6 has worm 612, worm 612 power connection duplicate gear 62, duplicate gear 62 and clean carousel 1 power connection, duplicate gear 62 passes through reference column 4 and connects under on shell 2. The duplicate gear 62 is mounted on the lower shell 2 through the positioning column 4, so that the mounting is convenient, meanwhile, compared with the transmission of two gears, the duplicate gear 62 has higher coaxiality, and the transmission stability is improved.

The middle of the lower shell 2 is provided with a lower motor fixing groove 25, the front end and the rear end of the lower motor fixing groove 25 are provided with motor supporting blocks 251, a motor upper fixing groove 93 corresponding to the lower motor fixing groove 25 is formed in the cover plate 9, a motor fixing plate 932 is arranged in the motor upper fixing groove 93, and a motor positioning plate 931 is arranged at the front end of the motor upper fixing groove 93. And an EVA cotton 8 is arranged between the motor 6 and the motor fixing plate 932, so that the working noise is reduced. Be about to the motor fix in the fixed slot of apron 9 in with lower shell 2, can be quick fix a position the installation to motor 6, also can prevent the slip of motor 6 from the upper and lower front and back in the in-process of operation simultaneously, guaranteed power take off's stability.

The two sides of the worm 612 on the lower housing 2 are symmetrically provided with positioning fixing grooves 24, the positioning fixing grooves 24 are fixedly connected with the positioning column 4 through screws, and the duplicate gear 62 is rotatably connected with the positioning column 4 through a bearing 3. Reference column 4 includes the last stiff end 41 of being connected with bearing 3 fixed connection, the lower location end 42 of being connected with location fixed slot 24, it is different with lower location end 42 diameter to go up stiff end 41, reference column 4 middle part is provided with the screw hole. The lower extreme and the location fixed slot 24 adaptation of reference column 4, during the installation, insert in location fixed slot 24, on rethread screw installation was fixed to lower shell 2, guaranteed the straightness that hangs down between reference column 4 and the lower shell 2, and then guaranteed the straightness that hangs down of duplicate gear 62 on the reference column 4.

The upper end of the duplicate gear 62 is a worm wheel meshed with the worm 612, the lower end of the duplicate gear 62 is a first straight gear 622, the duplicate gear 62 is rotatably connected with the positioning column 4 through a bearing 3, the first straight gear 622 is connected with a second straight gear 63 in a meshed manner, and the upper end and the lower end of the second straight gear 63 are rotatably connected with the cover plate 9 and the lower shell 2 through the bearing 3 respectively. The worm 612 drives the worm wheel of the dual gear 62 to rotate, the worm wheel drives the first spur gear 622 to rotate together, the first spur gear 622 drives the second spur gear 63 to rotate, and then the cleaning rotary disc 1 is driven to rotate, so that the ground is cleaned. The first straight gear 622 is a pinion, and the second straight gear 63 is a bull gear, so that multi-stage speed change is realized, the torque of gear transmission is increased, and the ground is cleaned more effectively.

The upper end and the lower end of the second straight gear 63 are respectively an upper shaft fixing end and a lower shaft fixing end, the cover plate 9 is provided with an upper shaft end fixing groove 91 matched with the upper shaft fixing end, the lower shell 2 is provided with a lower shaft end fixing groove 23 matched with the lower shaft fixing end, and the lower shell 2 is further provided with a gear limiting ring 22 coaxial with the lower shaft end fixing groove 23. The upper end and the lower end of the second straight gear 63 are respectively connected with the cover plate 9 and the lower shell 2 through the bearings 3, the rotating stability of the second straight gear 63 between the cover plate 9 and the lower shell 2 is guaranteed, and the second straight gear 63 is more convenient and faster to install and fix due to the design of the upper shaft end fixing groove 91 and the lower shaft end fixing groove 23.

Clean carousel 1 is provided with a plurality of wash ports 11 all around, and the ponding that produces when being convenient for drag ground is discharged subaerially, clean carousel 1 middle part is provided with the spacing post 12 of upwards bellied, be provided with splined hole 121 in the spacing post 12, second straight-teeth gear 63 lower part is provided with the spline 6321 with splined hole 121 adaptation, clean carousel 1 passes through spline 6321 fixed connection with second straight-teeth gear 63. Through being connected of splined hole 121 and spline 6321, make the connection between clean carousel 1 and the second spur gear 63 more convenient, and dismantle the convenience, be convenient for operations such as the washing of clean carousel 1.

And damping rubber pads are arranged between the upper end face of the bearing 3 on the duplicate gear 62 and the cover plate 9 and between the upper end face of the bearing 3 on the second spur gear 63 and the cover plate 9. Effectively preventing the duplicate gear 62 and the second spur gear 63 from sliding up and down between the lower shell 2 and the cover plate 9, ensuring the transmission stability and reducing the working noise.

A plurality of fixing columns for fixing the cover plate 9, and a support ring and a support plate 26 for supporting the cover plate 9 are distributed on the lower housing 2. The cover plate 9 is convenient to install on the lower shell 2, and meanwhile, the stress of the cover plate 9 is uniform.

During operation, motor 6 starts, and worm 612 can take place to rotate under the drive of motor 6 output shaft, drives the turbine 621 on the duplicate gear 62 simultaneously and rotates to make duplicate gear 62 take place to rotate, drive second spur gear 63 by the first spur gear 622 on the duplicate gear 62 again and rotate, drive the clean carousel 1 on the second spur gear 63 simultaneously and take place to rotate, make the mop on the clean carousel 1 and ground friction, thereby clearance ground.

Compared with the prior gear transmission, the dual gear 62 integrates two gear transmissions on the same shaft, reduces one gear transmission, improves the coaxiality of the transmission gears and the parallelism between the transmission gears, leads the transmission to be more stable and reliable, reduces the space occupied by the transmission gears and improves the space utilization rate of the whole mop; the duplicate gear 62 is mounted on the lower shell 2 through the positioning column 4, meanwhile, the positioning column 4 is mounted in the positioning fixing groove 24 of the lower shell 2 through a screw, and a damping rubber pad is arranged between the cover plate 9 and the duplicate gear 62, so that the duplicate gear 62 is effectively prevented from moving up and down in the transmission process, the risk of eccentric rotation of the duplicate gear 62 in the rotation process is reduced, and the whole gear transmission is stable in operation; the utility model discloses with the continuous transmission of a plurality of gears, change into with the transmission of duplicate gear 62, improved driven axiality, but still be multistage variable transmission, kept high moment of torsion, can effectual drive mop motion.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The transmission device of the electric mop is characterized in that: lower shell (2) and apron (9) including fixed connection, middle part between lower shell (2) and apron (9) is provided with motor (6), motor (6) both sides are provided with clean carousel (1) on lower shell (2), the output shaft of motor (6) has worm (612), worm (612) power connection duplicate gear (62), duplicate gear (62) and clean carousel (1) power connection, duplicate gear (62) are connected on lower shell (2) through reference column (4).

2. The transmission of the electric mop according to claim 1, wherein: worm (612) bilateral symmetry on lower shell (2) is provided with location fixed slot (24), location fixed slot (24) pass through screw and reference column (4) fixed connection, duplicate gear (62) pass through bearing (3) and are connected with reference column (4) rotation.

3. The transmission of the electric mop according to claim 2, wherein: reference column (4) include with bearing (3) fixed connection last stiff end (41), with the lower location end (42) that fixed position slot (24) are connected, it is different with lower location end (42) diameter to go up stiff end (41), reference column (4) middle part is provided with the screw hole.

4. The transmission of the electric mop according to claim 1, wherein: lower shell (2) middle part is provided with under the motor fixed slot (25), both ends are provided with motor supporting shoe (251) around under the motor fixed slot (25), be provided with on the motor fixed slot (93) that correspond with under the motor fixed slot (25) on apron (9), be provided with motor fixed plate (932) in on the motor fixed slot (93), fixed slot (93) front end is provided with motor locating plate (931) on the motor.

5. The transmission of the electric mop according to claim 4, wherein: EVA cotton (8) is arranged between the motor (6) and the motor fixing plate (932).

6. The transmission of the electric mop according to claim 1, wherein: the dual-gear type worm rack is characterized in that the upper end of the dual gear (62) is a worm wheel meshed with the worm (612), the lower end of the dual gear (62) is a first straight gear (622), the dual gear (62) is connected with the positioning column (4) in a rotating mode through the bearing (3), the first straight gear (622) is connected with a second straight gear (63) in a meshing mode, and the upper end and the lower end of the second straight gear (63) are connected with the cover plate (9) and the lower shell (2) in a rotating mode through the bearing (3) respectively.

7. The transmission of the electric mop as claimed in claim 6, wherein: the upper end and the lower end of the second straight gear (63) are respectively an upper shaft fixing end and a lower shaft fixing end, an upper shaft end fixing groove (91) matched with the upper shaft fixing end is formed in the cover plate (9), a lower shaft end fixing groove (23) matched with the lower shaft fixing end is formed in the lower shell (2), and a gear limiting ring (22) coaxial with the lower shaft end fixing groove (23) is further arranged on the lower shell (2).

8. The transmission of the electric mop of claim 7, wherein: clean carousel (1) is provided with a plurality of wash ports (11) all around, clean carousel (1) middle part is provided with spacing post (12) of upwards bellying, be provided with splined hole (121) in spacing post (12), second straight-teeth gear (63) lower part is provided with spline (6321) with splined hole (121) adaptation, clean carousel (1) passes through spline (6321) fixed connection with second straight-teeth gear (63).

9. The transmission of the electric mop of claim 8, wherein: and damping rubber pads are arranged between the upper end face of the bearing (3) on the duplicate gear (62) and the cover plate (9) and between the upper end face of the bearing (3) on the second spur gear (63) and the cover plate (9).

10. The transmission of the electric mop according to claim 1, wherein: the lower shell (2) is distributed with a plurality of fixing columns for fixing the cover plate (9) and a support ring and a support plate (26) for supporting the cover plate (9).