CN208274541U - A kind of electric roller brush suitable for underwater operation - Google Patents
A kind of electric roller brush suitable for underwater operation Download PDFInfo
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- CN208274541U CN208274541U CN201721221149.8U CN201721221149U CN208274541U CN 208274541 U CN208274541 U CN 208274541U CN 201721221149 U CN201721221149 U CN 201721221149U CN 208274541 U CN208274541 U CN 208274541U
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Abstract
The utility model discloses a kind of electric roller brush suitable for underwater operation, and including being respectively arranged on round brush ontology both ends and rotating the first rotating shaft and the second shaft set on host portion, host portion includes host main body, and the side bracket equipped with the second shaft；Side branch is provided with through-hole, and the expansion of through-hole outer end edges is formed with counterbore, and through hole plug is equipped with the first tube body, and the end of the first tube body is equipped with anti-raises one's hat with what counterbore matched；Host main body is equipped with the second tube body being screwed on the first tube body screw thread；First rotating shaft is circumferentially with first gear, and host main body is equipped with axis driving device, and axis driving device includes the output shaft as output end, and output shaft is connected with second gear, driving gear set is engaged between first gear and second gear；Driving gear set rotation is fitted to host main body, and host main body is additionally provided with power supply, switch and circuit board for control shaft driving device.The utility model has the advantages that running smoothly, transmission efficiency is high, handling are convenient and is suitable for underwater cleaning operation.
Description
Technical field
The utility model relates to burnishers, specifically a kind of suitable especially with the sweeper of rolling type brush
Electric roller brush for underwater operation.
Background technique
Round brush can at the uniform velocity clean rubbish for clearing up dust and small particle, especially electric roller brush, vertical on round brush
The deposit adhered to can have been brushed by the way when on the inswept floor of hair, wall and each platform.Electric roller brush is also applied for the rugged of object
Uneven surface, the piloerection on round brush can take the rubbish in dead angle out of after continuously continually skimming over.
The round brush transmission efficiency of the prior art is not high, and the replacement trouble of round brush is also not used to underwater cleaning work.
Summary of the invention
Technical problem to be solved in the utility model be in view of the above-mentioned state of the art, and provide topology layout conjunction
It manages, run smoothly, transmission efficiency is high, handling are convenient and is suitable for a kind of suitable for the electronic of underwater operation of underwater cleaning operation
Round brush.
Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of suitable for the electronic of underwater operation
Round brush, first rotating shaft and the second shaft including being respectively arranged on round brush ontology both ends, first rotating shaft and the rotation of the second shaft are set to
Host portion, host portion include the host main body equipped with first rotating shaft, and the side bracket equipped with the second shaft；Side branch is set up
There is through-hole, the expansion of through-hole outer end edges is formed with counterbore, and through hole plug is equipped with the first tube body, and the end of the first tube body is equipped with and counterbore phase
That matches anti-raises one's hat；Host main body is equipped with the second tube body being screwed on the first tube body screw thread；First rotating shaft is circumferentially with first gear,
Host main body is equipped with axis driving device, and axis driving device includes the output shaft as output end, and output shaft is connected with second gear, the first tooth
Driving gear set is engaged between wheel and second gear；Driving gear set rotation is fitted to host main body, and host main body is additionally provided with
Power supply, switch and circuit board for control shaft driving device.
To optimize above-mentioned technical proposal, the measure taken further include:
The first rotating shaft of the utility model and the second shaft respectively include plug division, and plug division periphery is equipped with seamed edge, round brush
Ontology is axially arranged with the first spliced eye to match with plug division outer profile, and host main body is equipped with and is fit to side bracket edge
Limit rank；Round brush ontology axle center is equipped with metallic rod, and metallic rod stretches out in spliced eye, and plug division is equipped with and is placed on the second of metallic rod
Spliced eye.
The host main body of the utility model includes built-in mounting rack, and mounting rack includes the first axle for being sheathed on first rotating shaft
It holds and second bearing, first bearing and second bearing are divided into the two sides of first gear；Side branch is provided with 3rd bearing, third
Bearing holder (housing, cover) is set to the second shaft.
The axis driving device of the utility model includes motor, and motor includes drive shaft, the company of transmission between output shaft and drive shaft
There is planetary reducer, drive shaft is connected in the sun gear of planetary reducer, and output shaft is connected in planetary reducer
Planet carrier；Compartment is equipped with outside motor and planetary reducer, compartment is sheathed on output shaft, and it is close that compartment is equipped with liquid
Big envelope is placed in the sealing ring of output shaft；Host main body includes the mounting box for fixing axle driving device.
The switch of the utility model includes the positive conductor contacted with water body and cathode conductor, and circuit board includes control motor
The short detection unit of opening and closing；Positive conductor and cathode conductor are electrically connected in short detection unit；Short detection unit is led in anode
Operation instruction is issued to motor when body, cathode conductor and water body are formed into a loop.
The positive conductor and cathode conductor of the utility model are set to the rear of round brush ontology.
The power supply of the utility model is rechargeable battery, and host main body is equipped with the battery case that liquid seals equipped rechargeable battery, electricity
Pond box screw thread has screwed spiral cover, and the charging end for being electrically connected in rechargeable battery is equipped in spiral cover, and spiral cover is set to the top of host main body.
The host main body bottom central axes of the utility model are equipped with idler wheel hole, are equipped in host main body and stretch out in idler wheel hole
The first idler wheel, round brush ontology both ends be respectively equipped with ground face contact the second idler wheel.
Lever-like handle is equipped with above the host portion of the utility model, one end of handle is equipped with U-shaped fork, 4 sides of U-shaped fork
Face is respectively equipped with the connecting plate for being shaped in host portion, and connecting plate and U-shaped fork are equipped with 1 pin jointly, and pin is arranged
There is torsional spring；One end of torsional spring supports the host portion that is set to, and the other end hooks the top edge for being set to U-shaped fork.
Compared with prior art, a kind of electric roller brush suitable for underwater operation of the utility model, including be respectively arranged on
Round brush ontology both ends simultaneously rotate the first rotating shaft and the second shaft for being set to host portion, and host portion includes host main body, and is equipped with
The side bracket of second shaft；Side branch is provided with through-hole, and the expansion of through-hole outer end edges is formed with counterbore, and through hole plug is equipped with the first pipe
Body, the end of the first tube body is equipped with anti-raises one's hat with what counterbore matched；Host main body is equipped with the to be screwed on the first tube body screw thread
Two tube bodies；First rotating shaft is circumferentially with first gear, and host main body is equipped with axis driving device, and axis driving device includes as output end
Output shaft, output shaft are connected with second gear, driving gear set are engaged between first gear and second gear；Driving gear set turns
Dynamic to be fitted to host main body, host main body is additionally provided with power supply, switch and circuit board for control shaft driving device.The utility model
The advantages of be run smoothly, transmission efficiency is high, handling are convenient and is suitable for underwater cleaning operation.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model；
Fig. 2 is partial sectional view in Fig. 1；
Fig. 3 is the structural schematic diagram of broken section in Fig. 2；
Fig. 4 is partial sectional view in Fig. 3；
Fig. 5 is the schematic diagram of the dismantling replacement round brush ontology of the utility model；
Fig. 6 is the schematic diagram of the dismantling replacement round brush ontology of the utility model；
Fig. 7 is the top view of the utility model；
Fig. 8 is the sectional schematic diagram in the portion B-B in Fig. 7；
Fig. 9 is the structural schematic diagram in the portion A in Fig. 5；
Figure 10 is the structural schematic diagram of side bracket in Fig. 6；
Figure 11 is the bottom view of Fig. 7；
Figure 12 is the sectional schematic diagram in the portion C-C in Figure 11；
Figure 13 is the structural schematic diagram in the portion D in Figure 12；
Figure 14 is the structural schematic diagram in the portion E in Figure 12；
Figure 15 is the complete section structural schematic diagram of Figure 14 axis driving device；
Figure 16 is the connection status structural schematic diagram of motor in Figure 15, drive shaft, planetary reducer and output shaft；
Figure 17 is handle and host portion connection schematic diagram in Fig. 1.
Specific embodiment
The embodiments of the present invention are described in further detail below in conjunction with attached drawing.
Fig. 1 to Figure 17 is the structural schematic diagram of the utility model.
Appended drawing reference therein are as follows: 1 round brush ontology, the first spliced eye of 1a, 1b, the second idler wheel of 1c, 1d metallic rod, 2 hosts
Portion, 21 host main bodies, 22 side brackets, 22a through-hole, 22b counterbore, 22c 3rd bearing, 23 handles, 23aU type fork, 23b pin
Nail, 23c connecting plate, 23d torsional spring, 24 mounting boxs, 25 mounting racks, 25a first bearing, 25b second bearing, 26 second tube bodies, 27
Limit rank, 28 first tube bodies, 28a is anti-to raise one's hat, 3 driving gear sets, 31 first gears, 32 second gears, 33 third gears, and 34 the
Four gears, 35 first rotating shafts, the plug division 35a, 36a, 35b, 36b seamed edge, the second spliced eye of 35c, 36c, 36 second shafts, 4 axis
Driving device, 41 output shafts, 42 sealing rings, 43 planetary reducers, 43a sun gear, 43b planet carrier, 44 compartments, 45 drive
Moving axis, 46 motors, 51 spiral covers, 52 charging ends, 53 battery cases, 54 power supplys, 6 switches, 61 positive conductors, 62 cathode conductors, 7 first
Idler wheel, 7a idler wheel hole.
Fig. 1 to Figure 17 is the structural schematic diagram of the utility model, as shown, one kind of the utility model is suitable under water
The electric roller brush of operation, first rotating shaft 35 and the second shaft 36 including being respectively arranged on 1 both ends of round brush ontology, 35 He of first rotating shaft
The rotation of second shaft 36 is set to host portion 2, and host portion 2 includes the host main body 21 equipped with first rotating shaft 35, and is equipped with second
The side bracket 22 of shaft 36；Side bracket 22 is equipped with through-hole 22a, and the expansion of through-hole 22a outer end edges is formed with counterbore 22b, through-hole 22a
The first tube body 28 is plugged, the end of the first tube body 28 is equipped with the anti-28a that raises one's hat to match with counterbore 22b；Host main body 21 is set
There is the second tube body 26 being screwed on 28 screw thread of the first tube body；First rotating shaft 35 is circumferentially with first gear 31, and host main body 21 is set
There is axis driving device 4, axis driving device 4 includes the output shaft 41 as output end, and output shaft 41 is connected with second gear 32, first gear
Driving gear set 3 is engaged between 31 and second gear 32；The rotation of driving gear set 3 is fitted to host main body 21, host main body
21 are additionally provided with power supply 54, switch 6 and circuit board for control shaft driving device 4.Host main body 21 and side bracket 22 pass through the
The screw thread of one tube body 28 and the second tube body 26 is screwed on to connect.Third gear 33 of the driving gear set 3 including the transmission that is engaged with each other
With the 4th gear 34, third gear 33 and 32 engagement rotation of second gear, 31 engaged transmission of the 4th gear 34 and first gear.Axis
The rotatory force of driving device 4 passes to first gear 31 by second gear 32 and driving gear set 3, to drive first rotating shaft 35
Rotation finally rolls round brush ontology 1.Side bracket 22 and the company of host main body 21 can be adjusted by adjusting the first tube body 28 by rotation
The elasticity connect.Circuit board is usual means, and motor 46 generally can all have the circuit board to match, so be not shown in the figure.
In the utility model, as shown in Figure 9 and Figure 10, first rotating shaft 35 and the second shaft 36 respectively include plug division 35a,
36a, the plug division periphery 35a, 36a are equipped with seamed edge 35b, 36b, and as shown in Figure 5 and Figure 6, round brush ontology 1 is axially arranged with and plug division
First spliced eye 1a, 1b that 35a, 36a outer profile match, as shown in Fig. 5 and Figure 13, host main body 21 is equipped with and is fit to side
The limit rank 27 at 22 edge of bracket prevents side bracket 22 from rotating to fix side bracket 22；As shown in Fig. 5,6,8 and Figure 12,
1 axle center of round brush ontology is equipped with metallic rod 1d, and metallic rod 1d stretches out in spliced eye, as shown in Figure 9 and Figure 10, plug division 35a, 36a
Equipped with second spliced eye 35c, the 36c for being placed on metallic rod 1d.As long as plug division 35a, 36a are inserted into first spliced eye 1a, 1b
Can complete the installation of round brush ontology 1, seamed edge 35b, 36b can prevent round brush ontology 1 and first rotating shaft 35 and the second shaft 36 it
Between generate circumferential sliding；Metallic rod 1d can enhance the bend resistance ability of round brush ontology 1；When installing round brush ontology 1, metallic rod 1d is first
It is inserted into second spliced eye 35c, 36c, so that being able to guide plug division 35a, 36a is inserted into first spliced eye 1a, 1b.
In the utility model, as shown in Figure 3,4, host main body 21 includes built-in mounting rack 25, and mounting rack 25 includes set
Set on the first bearing 25a and second bearing 25b of first rotating shaft 35, first bearing 25a and second bearing 25b are divided into the first tooth
The two sides of wheel 31；Side bracket 22 is equipped with 3rd bearing 22c, and 3rd bearing 22c is sheathed on the second shaft 36.First bearing 25a,
Second bearing 25b and 3rd bearing 22c can guarantee that the rotation of first rotating shaft 35 and the second shaft 36 is smooth, and guarantee first turn
The concentricity of axis 35 and the second shaft 36.
In the utility model, as shown in Fig. 4,12,14,15,16, axis driving device 4 includes motor 46, and motor 46 includes driving
Axis 45, transmission is connected with planetary reducer 43 between output shaft 41 and drive shaft 45, and drive shaft 45 is connected in planetary gear speed-reduction
The sun gear 43a of device 43, output shaft 41 are connected in the planet carrier 43b of planetary reducer 43；Motor 46 and planetary gear reduction
Compartment 44 is equipped with outside fast device 43, compartment 44 is sheathed on output shaft 41, and compartment 44 is equipped with liquid sealing and is placed on output shaft
41 sealing ring 42；Host main body 21 includes the mounting box 24 for fixing axle driving device 4.Planetary reducer 43 is known
Technology, planetary reducer 43 include the sun gear 43a for being coaxially connected in drive shaft 45, and engaged transmission is in sun gear 43a
Planetary gear, be engaged in planetary gear and push up be assigned in 44 inner wall of compartment outer gear ring, be fitted to planet tooth respectively
The planet carrier 43b of shaft is taken turns, planet carrier 43b is coupled to output shaft 41.Planetary reducer 43 can turn the height of drive shaft 45
Speed is converted to the slow-speed of revolution of output shaft 41, to increase the torque of output shaft 41, thus more conducively underwater operation.
In the utility model, as shown in figure 12, switch 6 includes the positive conductor 61 contacted with water body and cathode conductor 62,
Circuit board includes the short detection unit for controlling motor 46 and opening and closing；Positive conductor 61 and cathode conductor 62 are electrically connected in short-circuit detecting list
Member；Short detection unit issues operation instruction to motor 46 when positive conductor 61, cathode conductor 62 and water body are formed into a loop.It will
The utility model product is immersed in the water positive conductor 61, cathode conductor 62 and water body and is formed into a loop, and can start motor 46, thus
Realize the rolling of round brush ontology 1；After the utility model product is detached from water body, motor 46 can be closed and stopped working.
In the utility model, as shown in figure 12, positive conductor 61 and cathode conductor 62 are set on the rear of round brush ontology 1.Only
Have after round brush ontology 1 is immersed in the water, positive conductor 61 and 62 ability of cathode conductor are contacted with water body, are avoided round brush ontology 1 and are existed
It is rotated before entering water.
In the utility model, as shown in Fig. 7,8,12, power supply 54 is rechargeable battery, and it is equipped that host main body 21 is equipped with liquid sealing
The battery case 53 of rechargeable battery, 53 screw thread of battery case have screwed spiral cover 51, have been equipped with the charging for being electrically connected in rechargeable battery in spiral cover 51
End 52, spiral cover 51 are set to the top of host main body 21.When needing to charge, spiral cover 51 is unscrewed, the charging of 52 pairs of charging end can be passed through
Battery charges.
In the utility model, as shown in figure 5,21 bottom central axes of host main body are equipped with idler wheel hole 7a, host main body 21
Interior to be equipped with the first idler wheel 7 for stretching out in idler wheel hole 7a, 1 both ends of round brush ontology are respectively equipped with the second idler wheel 1c with ground face contact.
The shaft of first idler wheel 7 is arranged inside host main body 21, and only a part of wheel hub stretches out idler wheel hole 7a, can prevent line in this way
Shape rubbish winds the first idler wheel 7.Second idler wheel 1c assumes responsibility for the weight in host portion 2 together with the second idler wheel 1c, keeps this practical new
Type is lighter in water-bed movement.
In the utility model, as shown in Fig. 1,6,17, lever-like handle 23 is equipped with above host portion 2, one end of handle 23 is set
There is U-shaped fork 23a, 23a4 side of U-shaped fork is respectively equipped with the connecting plate 23c for being shaped in host portion 2, connecting plate 23c
It is equipped with 1 pin 23b jointly with U-shaped fork 23a, pin 23b is arranged with torsional spring 23d；The one end torsional spring 23d, which is supported, is set to host portion
2, the other end hooks the top edge for being set to U-shaped fork 23a.Torsional spring 23d can push 2 front end of host portion, and it is right to be conducive to round brush ontology 1
The scrub on ground.
The principles of the present invention and application method:
When disassembly, it is only necessary to the first tube body 28 is screwed off from the second tube body 26, it can be by side bracket 22 from host main body
It is unloaded on 21, is ultimately convenient for the disassembly of round brush ontology 1；The step of installation, is opposite with disassembly.
In use, only needing for round brush to be immersed in the water, until motor 46 starts, pressure is applied to host portion 2 by handle 23,
Round brush ontology 1 is cooperated to scrub ground.
The most preferred embodiment of the utility model has illustrated, the various change or remodeling made by those of ordinary skill in the art
All without departing from the scope of the utility model.
Claims (9)
1. a kind of electric roller brush suitable for underwater operation, the first rotating shaft (35) including being respectively arranged on round brush ontology (1) both ends
With the second shaft (36), the first rotating shaft (35) and the second shaft (36) rotation are set to host portion (2), it is characterized in that: institute
The host portion (2) stated includes the host main body (21) equipped with the first rotating shaft (35), and equipped with second shaft
(36) side bracket (22)；The side bracket (22) is equipped with through-hole (22a), and the through-hole (22a) outer end edges expand
It is formed with counterbore (22b), the through-hole (22a) has plugged the first tube body (28), and the end of first tube body (28) is equipped with
Anti- raise one's hat (28a) to match with the counterbore (22b)；The host main body (21) is equipped with and first tube body
(28) the second tube body (26) that screw thread is screwed on；The first rotating shaft (35) is circumferentially with first gear (31), the host
Ontology (21) is equipped with axis driving device (4), and the axis driving device (4) includes the output shaft (41) as output end, and described is defeated
Shaft (41) is connected with second gear (32), is engaged with transmission between the first gear (31) and the second gear (32)
Gear set (3)；Driving gear set (3) rotation is fitted to the host main body (21), the host main body (21)
It is additionally provided with power supply (54), switch (6) and the circuit board for controlling the axis driving device (4).
2. a kind of electric roller brush suitable for underwater operation according to claim 1, it is characterized in that: the first rotating shaft
(35) and second shaft (36) includes respectively plug division (35a, 36a), and the periphery the plug division (35a, 36a) is equipped with
Seamed edge (35b, 36b), the round brush ontology (1) is axially arranged with to match with the plug division (35a, 36a) outer profile
First spliced eye (1a, 1b), the host main body (21) are equipped with the limit rank (27) for being fit to side bracket (22) edge；Institute
Round brush ontology (1) axle center stated is equipped with metallic rod (1d), and the metallic rod (1d) stretches out in the spliced eye, and described inserts
Socket part (35a, 36a) is equipped with the second spliced eye (35c, 36c) for being placed on metallic rod (1d).
3. a kind of electric roller brush suitable for underwater operation according to claim 2, it is characterized in that: the host main body
It (21) include built-in mounting rack (25), the mounting rack (25) includes the first bearing for being sheathed on first rotating shaft (35)
(25a) and second bearing (25b), the first bearing (25a) and second bearing (25b) are divided into the first gear
(31) two sides；The side bracket (22) is equipped with 3rd bearing (22c), and the 3rd bearing (22c) is sheathed on second
Shaft (36).
4. a kind of electric roller brush suitable for underwater operation according to claim 1, it is characterized in that: the axis driving device
It (4) include motor (46), the motor (46) includes drive shaft (45), the output shaft (41) and the drive shaft
(45) transmission is connected with planetary reducer (43) between, and the drive shaft (45) is connected in the planetary reducer
(43) sun gear (43a), the output shaft (41) are connected in the planet carrier of the planetary reducer (43)
(43b)；Compartment (44) are equipped with outside the motor (46) and planetary reducer (43), the compartment (44) set
Set on the output shaft (41), the compartment (44) is equipped with the sealing ring that liquid sealing is placed on the output shaft (41)
(42)；The host main body (21) includes the mounting box (24) for the fixed axis driving device (4).
5. a kind of electric roller brush suitable for underwater operation according to claim 4, it is characterized in that: the switch (6)
Including the positive conductor (61) contacted with water body and cathode conductor (62), the circuit board includes control motor (46) opening and closing
Short detection unit；The positive conductor (61) and the cathode conductor (62) is electrically connected in the short detection unit；
The short detection unit is issued to motor (46) when positive conductor (61), cathode conductor (62) and water body are formed into a loop and is transported
Turn instruction.
6. a kind of electric roller brush suitable for underwater operation according to claim 5, it is characterized in that: the positive conductor
(61) and cathode conductor (62) is set on the rear of the round brush ontology (1).
7. a kind of electric roller brush suitable for underwater operation according to claim 1, it is characterized in that: the power supply (54)
For rechargeable battery, the host main body (21) is equipped with the battery case (53) that liquid sealing is equipped with the rechargeable battery, described
Battery case (53) screw thread has screwed spiral cover (51), and the charging end for being electrically connected in the rechargeable battery is equipped in the spiral cover (51)
(52), the spiral cover (51) is set to the top of the host main body (21).
8. a kind of electric roller brush suitable for underwater operation according to claim 7, it is characterized in that: the host main body
(21) bottom central axes are equipped with idler wheel hole (7a), are equipped in the host main body (21) and stretch out in the idler wheel hole (7a)
The first idler wheel (7), described round brush ontology (1) both ends be respectively equipped with ground face contact the second idler wheel (1c).
9. a kind of electric roller brush suitable for underwater operation according to claim 8, it is characterized in that: the host portion
(2) top is equipped with lever-like handle (23), and one end of the handle (23) is equipped with U-shaped fork (23a), the U-shaped fork
4 sides (23a) are respectively equipped with the connecting plate (23c) for being shaped in the host portion (2), the connecting plate (23c)
It is equipped with 1 pin (23b) jointly with the U-shaped fork (23a), the pin (23b) is arranged with torsional spring (23d)；Institute
The host portion (2) that is set to is supported in the torsional spring one end (23d) stated, and the other end hooks the top for being set to the U-shaped fork (23a)
Edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721221149.8U CN208274541U (en) | 2017-09-22 | 2017-09-22 | A kind of electric roller brush suitable for underwater operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721221149.8U CN208274541U (en) | 2017-09-22 | 2017-09-22 | A kind of electric roller brush suitable for underwater operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208274541U true CN208274541U (en) | 2018-12-25 |
Family
ID=64748101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721221149.8U Active CN208274541U (en) | 2017-09-22 | 2017-09-22 | A kind of electric roller brush suitable for underwater operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208274541U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024046444A1 (en) * | 2022-02-09 | 2024-03-07 | 智橙动力(北京)科技有限公司 | Transmission mechanism and underwater cleaning robot |
-
2017
- 2017-09-22 CN CN201721221149.8U patent/CN208274541U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024046444A1 (en) * | 2022-02-09 | 2024-03-07 | 智橙动力(北京)科技有限公司 | Transmission mechanism and underwater cleaning robot |
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