CN107762195A - One kind driving changement and pool cleaner - Google Patents
One kind driving changement and pool cleaner Download PDFInfo
- Publication number
- CN107762195A CN107762195A CN201711157603.2A CN201711157603A CN107762195A CN 107762195 A CN107762195 A CN 107762195A CN 201711157603 A CN201711157603 A CN 201711157603A CN 107762195 A CN107762195 A CN 107762195A
- Authority
- CN
- China
- Prior art keywords
- gear
- travelling gear
- cam
- driving
- changement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H4/00—Swimming or splash baths or pools
- E04H4/14—Parts, details or accessories not otherwise provided for
- E04H4/16—Parts, details or accessories not otherwise provided for specially adapted for cleaning
- E04H4/1654—Self-propelled cleaners
- E04H4/1663—Self-propelled cleaners the propulsion resulting from an intermittent interruption of the waterflow through the cleaner
Abstract
The invention discloses one kind to drive changement, and it includes water inlet pipe, outlet pipe, impeller and driving tumbler gear group；Water inlet pipe and outlet pipe are interconnected；Impeller is arranged in water inlet pipe；Tumbler gear group is driven to include the first travelling gear, the second travelling gear, cam, idle pulley and the drive gear interlocked with road wheel；Impeller interlocks the first travelling gear and cam；First travelling gear engages with the second travelling gear, on the cam path of cam activity be combined with a slide block assembly, idle pulley rotatably coordinates on slide block assembly and keeps engaging with drive gear；Slide block assembly is driven to move back and forth to drive being switched between the two states for engaging with the first travelling gear and being engaged with the second travelling gear to control drive gear timing rotating of idle pulley timing when cam rotates.Pool cleaner can be driven mobile for the driving changement and timing reversing.The invention also discloses a kind of pool cleaner using the driving changement.
Description
Technical field
The present invention relates to pond cleaning applications, particularly relate to a kind of driving changement and pool cleaner.
Background technology
Pool cleaner is used to clean pond, and many pool cleaners typically use siphon principle by water at present
Suction, pond is flow back to again after filtering.In addition, pool cleaner needs the migration back and forth in pond, so could be in pond
Each corner all clean out.Therefore how to realize that driving pool cleaner is mobile and commutation is the main point designed.
The content of the invention
It is an object of the invention to provide a kind of driving reversing machine for being used to drive the road wheel rotating of pool cleaner
Structure, the movement of pool cleaner can be driven and control the commutation of pool cleaner；The present invention also provides one kind and uses the drive
The pool cleaner of dynamic changement.
In order to reach above-mentioned purpose, solution of the invention is：
One kind driving changement, for driving the road wheel rotating of pool cleaner, it includes water inlet pipe, outlet pipe, leaf
Wheel and driving tumbler gear group；The water inlet pipe and outlet pipe are interconnected；The impeller is arranged in water inlet pipe；The drive
Moving to gear train includes the first travelling gear, the second travelling gear, cam, idle pulley and the driving for being interlocked with road wheel
Gear；The impeller interlocks the first travelling gear and cam；First travelling gear engages with the second travelling gear, described convex
Activity is combined with a slide block assembly on the cam path of wheel, and the idle pulley rotatably coordinates on slide block assembly and and drive gear
Keep engagement；Slide block assembly is driven to move back and forth to drive being nibbled with the first travelling gear for idle pulley timing during the cam rotation
Switched between conjunction and the two states engaged with the second travelling gear, so as to control drive gear timing rotating.
The water inlet of the water inlet pipe and the delivery port of outlet pipe towards pool cleaner housing top.
The impeller interlocks the first travelling gear by the first transmission mechanism, and first travelling gear passes through the second transmission
Mechanism interlocks cam；The periphery of the cam is round tooth wheel portion；First transmission mechanism and the second transmission mechanism are tooth
Wheel drive mechanism.
With unification rotary shaft, the both ends of the rotary shaft have been respectively cooperating with the road wheel in the axle center of the drive gear.
The road wheel is Athey wheel, and the axle center of the driving wheel of connecting band track wheel is distinguished at the both ends of the rotary shaft.
The slide block assembly includes the first sliding block and the second sliding block, and the end face of first sliding block, which is provided with, is installed on cam
Cam path in sliding bar, the other end of the first sliding block is formed with a track groove；Second sliding block is arranged on provided with one
Rotating bar in track groove, the center of the idle pulley are nested with the centre bore in rotating bar provided with one；Second sliding block passes through
One connecting rod can be around the cooperation that rotary shaft rotates on the rotating shaft；One end of the connecting rod is formed with being nested with the first of rotating bar
Sets of holes, the other end of the connecting rod is formed with the second sets of holes for being nested with rotary shaft.
A kind of pool cleaner, it includes housing, filter screen, road wheel and above-mentioned driving changement；The housing
Top is provided with through hole, perforation；Described driving changement coordinates in housing, the water inlet pipe of described driving changement
Water inlet connects with through hole；The delivery port of the outlet pipe of described driving changement connects with perforation, the bottom of the housing
Provided with the sewage discharge tube connected with outlet pipe, the filter screen, which coordinates in housing and covered, puts sewage discharge tube；The both sides difference of the housing
Road wheel is combined with, the drive gear of described driving changement interlocks with road wheel.
The bottom of the housing is combined with cleaning brush.
The both sides of the housing are respectively cooperating with blocking the protection cap of the road wheel.
After said structure, impeller is located in water inlet pipe by the present invention, can be driven when current flow through out of water inlet pipe
Wheel rotation, the rotation of impeller and then the first travelling gear of drive and cam rotation, the rotation of the first travelling gear can drive second
Travelling gear rotates and the first travelling gear is opposite with the direction of rotation of the second travelling gear；Cam rotation is then with movable slider group
Part move back and forth with drive idle pulley timing in the two states for engaging with the first travelling gear and being engaged with the second travelling gear
Between switch over；Because idle pulley and drive gear keep engaging, idle pulley timing is being engaged with the first travelling gear and with the
Drive gear timing rotating can be controlled by being switched between the two states of two travelling gears engagement, and then control road wheel to determine
When rotating to drive the timing reversing of the movement of pool cleaner and pool cleaner.
Brief description of the drawings
Fig. 1 is the exploded view of the driving changement of the present invention；
Fig. 2 is transmission principle Fig. 1 of the driving changement of the present invention（Idle pulley engages with the first travelling gear）；
Fig. 3 is transmission principle Fig. 2 of the driving changement of the present invention（Idle pulley engages with the second travelling gear）；
Fig. 4 is the transmission principle figure of the slide block assembly of the driving changement of the present invention；
Fig. 5 is the exploded view of the pool cleaner of the present invention；
Fig. 6 is the stereogram of the pool cleaner of the present invention；
Fig. 7 is the sectional view of the pool cleaner of the present invention.
Embodiment
In order to which technical scheme is explained further, the present invention is explained in detail below by specific embodiment
State.
As shown in Figures 1 to 7, present invention is disclosed a kind of drive for being used to drive the pool cleaner B rotating of road wheel 7
Dynamic changement A, the driving changement A include water inlet pipe 1, outlet pipe 2, impeller 3 and driving tumbler gear group 4；Institute
State water inlet pipe 1 and outlet pipe 2 is interconnected；The impeller 3 is arranged in water inlet pipe 1；The driving tumbler gear group 4 includes the
One travelling gear 41, the second travelling gear 42, cam 43, idle pulley 44 and the drive gear 45 for being interlocked with road wheel 7；Institute
State impeller 3 and interlock the first travelling gear 41 and cam 43；First travelling gear 41 is intermeshed with the second travelling gear 42,
Activity is combined with a slide block assembly 46 on the cam path 431 of the cam 43, and the idle pulley 44 rotatably coordinates in sliding block group
Keep engaging on part 46 and with drive gear 45；Slide block assembly 46 is driven to move back and forth to drive idle pulley when the cam 43 rotates
44 timings switch between the two states for engaging with the first travelling gear 41 and being engaged with the second travelling gear 42, from
And control the timing rotating of drive gear 45.
Specifically, the impeller 3 interlocks the first travelling gear 41, first travelling gear 41 by the first transmission mechanism
Cam 43 is interlocked by the second transmission mechanism；The periphery of wherein described cam 43 is round tooth wheel portion；First transmission mechanism
It is gear drive with the second transmission mechanism；The axle center of the drive gear 45 is with unification rotary shaft 451, the rotary shaft
451 both ends have been respectively cooperating with the road wheel 7.The road wheel 7 can be Athey wheel, and the both ends of the rotary shaft 451 are divided
The axle center of the driving wheel of other connecting band track wheel.
The slide block assembly 46 includes the first sliding block 461 and the second sliding block 462, and the end face of first sliding block 461 is set
There is the sliding bar 4611 in the cam path 431 for being installed on cam 43, the other end of the first sliding block 461 is formed with a track groove
4612；Second sliding block 462 is provided with a rotating bar 4621 being arranged in track groove 4612, and the center of the idle pulley 44 is provided with
One is nested with the centre bore in rotating bar 4621；Second sliding block 462 can be rotated by connecting rod 463 around rotary shaft 451
Coordinate in rotary shaft 451；One end of the connecting rod 463 is formed with the first sets of holes for being nested with rotating bar 4621, the connection
The other end of bar 463 can ensure that idle pulley 44 is protected always formed with the second sets of holes for being nested with rotary shaft 451 by connecting rod 463
Hold and engaged with drive gear 45.Coordinate shown in Fig. 2 to Fig. 4, when cam 45 rotates, the first sliding block 461 is with cam 43
The rotation of cam path 431 and do straight reciprocating motion in a straight line, and then the second sliding block 462 is with the rail of the first sliding block 461
The straight reciprocating motion of mark groove 4612 and do circular arc reciprocating motion on one section of circular arc around rotary shaft 451；Second sliding block 462 is done
Circular arc move back and forth so that idle pulley 44 of the cooperation on the second sliding block 462 equally do circular arc and move back and forth and make it that idle pulley 44 is fixed
When switched between the two states for engaging with the first travelling gear and being engaged with the second travelling gear.
Further, the delivery port of the water inlet of the water inlet pipe 1 and outlet pipe 2 is towards pool cleaner B housing 5
Top influences pool cleaner B shifting to avoid current from flowing through caused reaction force between water inlet pipe 1 and outlet pipe 2
It is dynamic.
Coordinate shown in Fig. 2 and Fig. 3 and Fig. 7, the transmission principle of driving changement of the invention is：Work as pool cleaner
When B works, current flow through out of water inlet pipe 1 and impeller 3 rotates, and impeller 3 drives the first transmission by the first transmission mechanism
Gear 41 is rotated, and the first travelling gear 41 is rotated by the second transfer structure band moving cam 43, the first travelling gear 41 and second
Travelling gear engages 42 and causes the first travelling gear 41 directly to drive the rotation 42 of the second travelling gear and the first travelling gear
41 is opposite with the direction of rotation of the second travelling gear 42；And cam 43 rotates and then make it that the first sliding block 4621 is convex with cam 43
The rotation of race 431 and do straight reciprocating motion in a straight line, the second sliding block 462 is with the track groove of the first sliding block 461
4612 straight reciprocating motion and do circular arc reciprocating motion on one section of circular arc around rotary shaft 451；Second sliding block 462 does circular arc
Move back and forth then cause the timing of idle pulley 44 in two kinds for engaging with the first travelling gear 41 and being engaged with the second travelling gear 42
Switched between state；Because idle pulley 44 and drive gear 45 keep engaging, the timing of idle pulley 44 with the first travelling gear
The timing rotating of drive gear 45 can be controlled by being switched between 41 engagements and the two states engaged with the second travelling gear 42,
And then the timing rotating of road wheel 7 is controlled to drive the timing reversing of pool cleaner B movement and pool cleaner B.This
Invention can control drive gear 45 to rotate forward when idle pulley 44 engages with the first travelling gear 41, the travelling gear of idle pulley 44 and second
Control drive gear 45 inverts during 42 engagement；Control drive gear 45 anti-when either idle pulley 44 engages with the first travelling gear 41
Turn, control drive gear 45 to rotate forward when idle pulley 44 engages with the second travelling gear 42.
Coordinate shown in Fig. 5 to Fig. 7, present invention further teaches a kind of pool cleaner B, and it includes housing 5, filter screen 6, walking
Take turns 7 and above-mentioned driving changement A；The housing 5 is cooperatively formed by upper shell 501 and lower house 502；The housing 5
Top is provided with through hole 51, perforation 52；Described driving changement A coordinates in housing 5, described driving changement A's
The water inlet of water inlet pipe 1 connects with through hole 51；The delivery port of described driving changement A outlet pipe 2 connects with perforation 52,
The bottom of the housing 5 is provided with the sewage discharge tube 53 connected with outlet pipe 2, and the filter screen 6, which coordinates in housing 5 and covered, puts sewage discharge tube
53；The both sides of the housing 1 have been respectively cooperating with road wheel 7, described driving changement A drive gear 45 and road wheel 7
Interlock.The bottom of the housing 5 can be combined with cleaning brush 55 to clean the dirt of the pool wall in pond and bottom of pond with water.The housing
5 both sides can be respectively cooperating with blocking the protection cap 54 of the road wheel 7 with avoid pool cleaner B in motion process by
In collide and cause road wheel 7 damage or cause road wheel 7 to be stuck.
Above-described embodiment and schema and non-limiting product form of the invention and style, any art it is common
The appropriate change or modification that technical staff is done to it, it all should be regarded as not departing from the patent category of the present invention.
Claims (9)
1. one kind driving changement, for driving the road wheel rotating of pool cleaner, it is characterised in that：Including water inlet
Pipe, outlet pipe, impeller and driving tumbler gear group；The water inlet pipe and outlet pipe are interconnected；The impeller be arranged at into
In water pipe；The driving tumbler gear group include the first travelling gear, the second travelling gear, cam, idle pulley and for row
Walk the drive gear that wheel interlocks；The impeller interlocks the first travelling gear and cam；First travelling gear and the second transmission
Gear engages, on the cam path of the cam activity be combined with a slide block assembly, the idle pulley rotatably coordinates in sliding block group
Keep engaging on part and with drive gear；Drive slide block assembly to move back and forth during cam rotation with drive idle pulley timing
Engage with the first travelling gear and switched between the two states that are engaged with the second travelling gear, so as to control drive gear
Timing rotating.
2. driving changement as claimed in claim 1, it is characterised in that：The water inlet of the water inlet pipe and going out for outlet pipe
The mouth of a river towards pool cleaner housing top.
3. driving changement as claimed in claim 1, it is characterised in that：The impeller interlocks the by the first transmission mechanism
One travelling gear, first travelling gear interlock cam by the second transmission mechanism；The periphery of the cam is circular gear
Portion；First transmission mechanism and the second transmission mechanism are gear drive.
4. driving changement as claimed in claim 1, it is characterised in that：The axle center of the drive gear rotates with unification
Axle, the both ends of the rotary shaft have been respectively cooperating with the road wheel.
5. driving changement as claimed in claim 4, it is characterised in that：The road wheel is Athey wheel, the rotary shaft
Both ends difference connecting band track wheel driving wheel axle center.
6. driving changement as claimed in claim 4, it is characterised in that：The slide block assembly includes the first sliding block and second
Sliding block, the end face of first sliding block are provided with the sliding bar being installed in the cam path of cam, the other end of the first sliding block
Formed with a track groove；Second sliding block is provided with a rotating bar being arranged in track groove, and the center of the idle pulley is provided with one
It is nested with the centre bore in rotating bar；Second sliding block can be around the cooperation that rotary shaft rotates in rotary shaft by a connecting rod
On；Formed with the first sets of holes for being nested with rotating bar, the other end of the connecting rod turns formed with being nested with for one end of the connecting rod
Second sets of holes of moving axis.
A kind of 7. pool cleaner, it is characterised in that：It is any one including housing, filter screen, road wheel and such as claim 1 to 6
Driving changement described in；The case top is provided with through hole, perforation；Described driving changement coordinates in housing
Interior, the water inlet of the water inlet pipe of described driving changement connects with through hole；The outlet pipe of described driving changement
Delivery port connects with perforation, and the bottom of the housing is provided with the sewage discharge tube connected with outlet pipe, and the filter screen coordinates in housing
And cover and put sewage discharge tube；The both sides of the housing have been respectively cooperating with road wheel, the drive gear and row of described driving changement
Wheel is walked to interlock.
A kind of 8. pool cleaner as claimed in claim 7, it is characterised in that：The bottom of the housing is combined with cleaning brush
Son.
A kind of 9. pool cleaner as claimed in claim 7, it is characterised in that：The both sides of the housing have been respectively cooperating with blocking
The protection cap of the road wheel.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711157603.2A CN107762195B (en) | 2017-11-20 | 2017-11-20 | Driving reversing mechanism and pool cleaner |
| EP18859002.0A EP3684990A4 (en) | 2017-09-19 | 2018-09-19 | Automated pool cleaner with enhanced travel features |
| PCT/IB2018/057229 WO2019058286A1 (en) | 2017-09-19 | 2018-09-19 | Automated pool cleaner with enhanced travel features |
| US16/823,941 US11473327B2 (en) | 2017-09-19 | 2018-09-19 | Automated pool cleaner with enhanced travel features |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711157603.2A CN107762195B (en) | 2017-11-20 | 2017-11-20 | Driving reversing mechanism and pool cleaner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107762195A true CN107762195A (en) | 2018-03-06 |
| CN107762195B CN107762195B (en) | 2023-09-19 |
Family
ID=61279863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711157603.2A Active CN107762195B (en) | 2017-09-19 | 2017-11-20 | Driving reversing mechanism and pool cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107762195B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700885A (en) * | 2017-09-19 | 2018-02-16 | 明达实业(厦门)有限公司 | Pool cleaner |
| WO2019058286A1 (en) * | 2017-09-19 | 2019-03-28 | Intex Industries Xiamen Co. Ltd. | Automated pool cleaner with enhanced travel features |
| CN109723251A (en) * | 2019-01-29 | 2019-05-07 | 温州米修实业有限公司 | Automatic swimming pool cleaner vehicle |
| CN111779326A (en) * | 2019-04-04 | 2020-10-16 | 宁波市普世达泳池用品有限公司 | Hydroenergy cleaner for overground swimming pool |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2923954A (en) * | 1960-02-09 | babcock | ||
| US5197158A (en) * | 1992-04-07 | 1993-03-30 | Philip L. Leslie | Swimming pool cleaner |
| US20080125943A1 (en) * | 2006-11-28 | 2008-05-29 | Gedaliahu Finezilber | Programmable steerable robot particularly useful for cleaning swimming pools |
| US20130081216A1 (en) * | 2011-10-03 | 2013-04-04 | Suresh Gopalan | Pool Cleaner with Detachable Scrubber Assembly |
| US20140251038A1 (en) * | 2013-03-11 | 2014-09-11 | Satheesh Kumar | Two-Wheel Actuator Steering System and Method for Pool Cleaner |
| US20170159311A1 (en) * | 2015-12-02 | 2017-06-08 | Nc Brands L.P. | Steering system for pool cleaners |
| US20170321442A1 (en) * | 2014-10-30 | 2017-11-09 | Integrated Pool Products (Pty) Ltd | Pool cleaner drive mechanism |
| CN207526181U (en) * | 2017-11-20 | 2018-06-22 | 明达实业(厦门)有限公司 | A kind of driving changement and pool cleaner |
-
2017
- 2017-11-20 CN CN201711157603.2A patent/CN107762195B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2923954A (en) * | 1960-02-09 | babcock | ||
| US5197158A (en) * | 1992-04-07 | 1993-03-30 | Philip L. Leslie | Swimming pool cleaner |
| US20080125943A1 (en) * | 2006-11-28 | 2008-05-29 | Gedaliahu Finezilber | Programmable steerable robot particularly useful for cleaning swimming pools |
| US20130081216A1 (en) * | 2011-10-03 | 2013-04-04 | Suresh Gopalan | Pool Cleaner with Detachable Scrubber Assembly |
| US20140251038A1 (en) * | 2013-03-11 | 2014-09-11 | Satheesh Kumar | Two-Wheel Actuator Steering System and Method for Pool Cleaner |
| US20170321442A1 (en) * | 2014-10-30 | 2017-11-09 | Integrated Pool Products (Pty) Ltd | Pool cleaner drive mechanism |
| US20170159311A1 (en) * | 2015-12-02 | 2017-06-08 | Nc Brands L.P. | Steering system for pool cleaners |
| CN207526181U (en) * | 2017-11-20 | 2018-06-22 | 明达实业(厦门)有限公司 | A kind of driving changement and pool cleaner |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700885A (en) * | 2017-09-19 | 2018-02-16 | 明达实业(厦门)有限公司 | Pool cleaner |
| WO2019058286A1 (en) * | 2017-09-19 | 2019-03-28 | Intex Industries Xiamen Co. Ltd. | Automated pool cleaner with enhanced travel features |
| US11473327B2 (en) | 2017-09-19 | 2022-10-18 | Intex Marketing Ltd. | Automated pool cleaner with enhanced travel features |
| CN107700885B (en) * | 2017-09-19 | 2023-05-23 | 明达实业(厦门)有限公司 | Pool cleaner |
| CN109723251A (en) * | 2019-01-29 | 2019-05-07 | 温州米修实业有限公司 | Automatic swimming pool cleaner vehicle |
| CN109723251B (en) * | 2019-01-29 | 2023-10-20 | 温州米修实业有限公司 | Automatic cleaning vehicle for swimming pool |
| CN111779326A (en) * | 2019-04-04 | 2020-10-16 | 宁波市普世达泳池用品有限公司 | Hydroenergy cleaner for overground swimming pool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107762195B (en) | 2023-09-19 |
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