CN106311549B - A kind of rotary fountain - Google Patents
A kind of rotary fountain Download PDFInfo
- Publication number
- CN106311549B CN106311549B CN201610935190.5A CN201610935190A CN106311549B CN 106311549 B CN106311549 B CN 106311549B CN 201610935190 A CN201610935190 A CN 201610935190A CN 106311549 B CN106311549 B CN 106311549B
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- China
- Prior art keywords
- water
- pipe
- supply
- swivelling
- nozzle
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/08—Fountains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
Landscapes
- Nozzles (AREA)
- Special Spraying Apparatus (AREA)
Abstract
The invention discloses a kind of rotary fountain in fountain apparatus field, including first motor and the second motor, first motor is connected with the transmission of the first retarder, and fixed water chamber is fixed on the upside of the first retarder, is rotatably connected to water-supply-pipe on fixed water chamber；Second motor is connected with swivelling-nozzle transmission, one end of swivelling-nozzle is provided with spray head, first reducer output shaft is located in fixed water chamber and hollow setting, first reducer output shaft surface is provided with intake chamber, first reducer output shaft is fixedly linked with water-supply-pipe, water-supply-pipe periphery is set with positioning sleeve, and positioning sleeve periphery is rotatably connected to slip ring room, is provided with conducting slip ring in slip ring room；Rotation water chamber is fixedly connected on the upside of slip ring room, water-supply-pipe is connected with rotation water chamber, and rotation water chamber is connected with swivelling-nozzle, and swivelling-nozzle is mounted on above rotation water chamber, the axis perpendicular of swivelling-nozzle and water-supply-pipe.Spray head of the present invention, which realizes, to be rotated freely.
Description
Technical field
The invention belongs to fountain apparatus field, in particular to a kind of rotary fountain.
Background technique
Rotation of the spray head on horizontal and vertical may be implemented in the rotary drive mechanism of rotary fountain equipment, brings people's view
Enjoyment in feel.In the prior art, there is a kind of Two-dimension fountain device, number of patent application: 201210297316.2；The applying date:
2012.08.20；Publication No.: 102814255 A of CN；Date of publication: 2012.12.12；Its structure includes Xia Wei mechanism and upper dimension machine
Structure, Xia Wei mechanism include first motor, and first motor output end is connected with the first retarder, and the output shaft of the first retarder is sky
Mandrel and both ends extend outwardly is provided with three-way connection one above the first retarder, and one upper end of three-way connection was rotatably connected to
Water support ring is crossed on the upside of water support ring and is fixedly connected with connecting tube, the output shaft of the first retarder and the mistake crossed in water support ring
Spray disk is connected, and crosses spray disk and is made of several ribs；Shang Wei mechanism includes the three-way connection two being connected with connecting tube, threeway
Two water outlet of connector was rotatably connected to water support ring, crosses water support ring and is connected with the output shaft of the second retarder, and second slows down
Device is connected with the second motor drive, crosses in water support ring and is fixedly connected with spray head；First retarder lower end outlet connection, one waterproof
Cylinder, a cable input adapter is arranged at bottom, in the outer wall of output shaft lower end connect a nut, inner wall connects a conducting ring
The spindle-type conducting ring in it is inserted into seat, bottom connection one.The first port of two three-way connections and corresponding reducer shell export and
Between corresponding output shaft, bowl and a stainless steel are kept off by twice rubber seal, one of backbone sealing ring, a sealing
Snap ring, which is realized, to be tightly connected.The third port of two three-way connections passes through a polytetrafluoroethylene ring with corresponding cross between water support ring
It realizes and is tightly connected.The device can be good in high pressure water flow seal performance, and spray head can be made continuously to make 360 degree and rotated freely,
Disadvantage is that: first, reducer output shaft is connected with spray disk is crossed, reducer output shaft passed through spray disk for torque
Connecting tube is passed to, in order to make water flowing, spray disk is crossed and is made of more ribs, caused the intensity of spray disk low,
Ribs are easily broken off damage under the action of large torque and high hydraulic pressure；Second, during the rotor outgoing line of spindle-type conducting ring is arranged in
In empty reducer output shaft and cable efferent duct, cable efferent duct and reducer output shaft periphery are full of water, in order to keep away
Exempt from water to contact with rotor outgoing line, need reducer output shaft and cable efferent duct sealing welding, weld connects with water for a long time
It touches, crack is easy to produce under the action of high hydraulic pressure, it is unreliable to seal, and rotor outgoing line is possible to chance water and accident, and commissure occurs
Sealing detection it is inconvenient, increase the work difficulty of operator.
Summary of the invention
The object of the present invention is to provide a kind of rotary fountain, enable water-supply-pipe stable delivery torque, avoids conductive cunning
The rotor outgoing line of ring is contacted with water, and spray head, which realizes, to be rotated freely.
The object of the present invention is achieved like this: a kind of rotary fountain, including first motor and the second motor, first motor
It is connected with the transmission of the first retarder, fixed water chamber is fixedly connected on the upside of the first retarder, the bypass of fixed water chamber is water inlet
Mouthful, underpass is connected with the sealing of the first retarder, and upper access is rotatably connected to vertical water-supply-pipe；Second motor and rotation
Jet pipe transmission is connected, and one end of swivelling-nozzle is provided with spray head, and the water-supply-pipe lower end is located inside fixed water chamber, and described first
Reducer output shaft also is located in fixed water chamber and hollow setting, and the first reducer output shaft surface is provided with several and output shaft
The intake chamber that inside is connected, the first reducer output shaft are fixedly linked with water-supply-pipe lower end, inside the first reducer output shaft
It is connected with water-supply-pipe, is set with positioning sleeve, the rotation of positioning sleeve periphery on the upside of the fixed water chamber and positioned at the periphery of water-supply-pipe
It is connected with slip ring room, conducting slip ring is provided in slip ring room, rotor and the water-supply-pipe of conducting slip ring are fixedly linked, conducting slip ring
Stator is fixedly linked with positioning sleeve, and rotor outgoing line passes through slip ring room and is connected with the second motor, and stator outlet passes through positioning sleeve and electricity
Source is connected；Rotation water chamber is fixedly connected on the upside of the slip ring room, the water-supply-pipe upper end is connected with rotation water chamber, water-supply-pipe
It is connected through drive flange with rotation water chamber, the rotation water chamber is connected through bend pipe with the other end of swivelling-nozzle, swivelling-nozzle
It is mounted on above rotation water chamber, the axis perpendicular of swivelling-nozzle and water-supply-pipe.
When the invention works, fixed water chamber bypass is delivered the water by delivery pump, is exported by the first retarder
The intake chamber of axis enters water-supply-pipe, and water-supply-pipe feeds the water into rotation water chamber, then enters swivelling-nozzle through bend pipe, and water is finally from spray head
It sprays；First motor work drives the rotation of the first reducer output shaft, and the first reducer output shaft drives water-supply-pipe rotation, water delivery
Pipe drives rotation water chamber and slip ring room to rotate along positioning sleeve periphery by drive flange, and the second motor drives swivelling-nozzle to turn
Dynamic, spray head is realized to be rotated along two orthogonal axis directions, sprays beautiful fountain.Compared with prior art, this hair
Bright beneficial effect is: by driving sink on the first reducer output shaft, water is defeated from intake chamber into the first retarder
Enter water-supply-pipe behind shaft inside, enter back into rotation water chamber, waterflow stabilization is orderly, and hydraulic pressure will not damage components by pressure, and water-supply-pipe is logical
It crosses drive flange and gives torque uniform transmission to rotation water chamber, drive rotation water chamber rotation, rotation water chamber rotation is more smooth, avoids turning round
Square is excessive so that damage of components；The rotor and water-supply-pipe of conducting slip ring rotate synchronously, the rotor outgoing line of conducting slip ring and second
Motor is opposing stationary, and the electric wire connected on the second motor is avoided to wind；Slip ring room and water completely cut off, and the rotor of conducting slip ring goes out
Line is connected to the motor across slip ring room, and the rotor outgoing line of conducting slip ring will not meet water, more securely and reliably.Present apparatus structure is tight
It gathers, reliable operation, spray head can be rotated around orthogonal two axial lines direction, spray beautiful fountain.
As a further improvement of the present invention, second motor is mounted on the upside of rotation water chamber, is set on the upside of the second motor
It is equipped with the second reduction case, swivelling-nozzle part of horizontal is rotatably supported in the second reduction-gear housing body, and spray head setting is rotating
Jet pipe stretches out one end of the second reduction case, and the output shaft of the second motor is extended into the second reduction-gear housing body and is sequentially connected
There is driving bevel gear, passive bevel gear is fixedly connected on swivelling-nozzle, driving bevel gear is meshed with passive bevel gear.Second
The output shaft of motor drives driving bevel gear rotation, and passive bevel gear drives swivelling-nozzle rotation, and spray head can be around rotation spray
The axis of pipe rotates.
As a further improvement of the present invention, described bend pipe one end and rotation water chamber flanged joint, the bend pipe other end and the
Two reduction case flanged joints, close to the position of the swivelling-nozzle other end, there are cross water cavity, rotation in the second reduction-gear housing body
Sealing ring is equipped between the jet pipe other end and the second reduction case, bend pipe is connected by water cavity with swivelling-nozzle.Rotate water
Indoor water is entered in swivelling-nozzle by bend pipe, is entered back into the second reduction-gear housing body and is crossed water cavity, subsequently into rotation spray
It is sprayed in pipe and from spray head.
More uniformly entering in the first reducer output shaft in order to enable water energy is enough, the intake chamber is kidney slot, into
Sink is circumferentially uniformly distributed along the first reducer output shaft.The technical solution to enter water-supply-pipe from the first reducer output shaft
The water-jet journey finally sprayed from spray head is farther.
As a preference of the present invention, the water-supply-pipe upper end is set with drive sleeve, water-supply-pipe is through drive sleeve and drive flange
It is connected.Water-supply-pipe rotation, by drive sleeve drive drive flange rotation, rotation water chamber rotate with it, drive sleeve by torque more
For Transmit evenly to drive flange, spray head is more stable when rotating around vertical axis, works more reliable.
As a further improvement of the present invention, be provided with sealing ring between the water-supply-pipe and drive flange, water-supply-pipe with
Sealing ring is also equipped between positioning sleeve.The technical solution can prevent the fixed indoor water of water from entering slip ring room, prevent from rotating
The indoor water of water enters slip ring room.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is partial structure diagram of the invention.
Fig. 3 is the enlarged drawing in Fig. 2 at A.
Fig. 4 is fixed part structural schematic diagram of the invention.
Fig. 5 is the enlarged drawing in Fig. 4 at B.
Fig. 6 is rotating part structural schematic diagram of the invention.
Wherein, 1 first motor, 2 first retarders, the first reducer output shaft of 2a, 2b intake chamber, 3 fixed water chambers, 4 is defeated
Water pipe, 4a flange, 5 positioning sleeves, 6 slip ring rooms, 7 rotation water chambers, 8 drive flanges, 9 drive sleeves, 10 conducting slip rings, 10a rotor,
10b stator, 10c rotor outgoing line, 10d stator outlet, 11 bend pipes, 12 swivelling-nozzles, 12a spray head, 13 second motors, 14 second subtract
Fast device cabinet, 15 sealing rings, 16 outside framework oil seals, 17 driving bevel gears, 18 passive bevel gears, 19 cross water cavity.
Specific embodiment
It as shown in figures 1 to 6, is a kind of rotary fountain, including first motor 1 and the second motor 13, first motor 1 and first
The transmission of retarder 2 is connected, and fixed water chamber 3 is fixedly connected on the upside of the first retarder 2, and the bypass of fixed water chamber 3 is water inlet,
Underpass is connected with the sealing of the first retarder 2, and upper access is rotatably connected to vertical water-supply-pipe 4；Second motor 13 and rotation spray
The transmission of pipe 12 is connected, and one end of swivelling-nozzle 12 is provided with spray head 12a, and 4 lower end of water-supply-pipe is located inside fixed water chamber 3, and first
Reducer output shaft 2a also is located in fixed water chamber 3 and hollow setting, the first surface reducer output shaft 2a be provided with it is several with
The intake chamber 2b being connected inside output shaft, intake chamber 2b are kidney slot, and intake chamber 2b is circumferential along the first reducer output shaft 2a
It is uniformly distributed；First reducer output shaft 2a is fixedly linked with 4 lower end of water-supply-pipe, the first inside reducer output shaft 2a and water delivery
Pipe 4 is connected, and is set with positioning sleeve 5 on the upside of fixed water chamber 3 and positioned at the periphery of water-supply-pipe 4,5 periphery of positioning sleeve is rotatably connected to
Slip ring room 6 is provided with conducting slip ring 10 in slip ring room 6, and rotor 10a and the water-supply-pipe 4 of conducting slip ring 10 are fixedly linked, and conduction is sliding
The stator 10b of ring 10 is fixedly linked with positioning sleeve 5, and rotor outgoing line 10c passes through slip ring room 6 and is connected with the second motor 13, and stator goes out
Line 10d passes through positioning sleeve 5 and is connected with power supply；Rotation water chamber 7,4 upper end of water-supply-pipe and rotation water are fixedly connected on the upside of slip ring room 6
Room 7 is connected, and water-supply-pipe 4 is connected through drive flange 8 with rotation water chamber 7, and 4 upper end of water-supply-pipe is set with drive sleeve 9, water-supply-pipe 4
It is connected through drive sleeve 9 with drive flange 8；Rotation water chamber 7 is connected through bend pipe 11 with the other end of swivelling-nozzle 12, rotation spray
Pipe 12 is mounted on 7 top of rotation water chamber, the axis perpendicular of swivelling-nozzle 12 and water-supply-pipe 4.Second motor 13 is mounted on rotation
The upside of water chamber 7, is provided with the second reduction case 14 on the upside of the second motor 13, and 12 part of horizontal of swivelling-nozzle is rotatably supported in the
In two reduction cases 14, one end that swivelling-nozzle 12 stretches out the second reduction case 14, the second motor 13 is arranged in spray head 12a
Output shaft extend into the second reduction case 14 and be sequentially connected with driving bevel gear 17, be fixedly connected on swivelling-nozzle 12
There is passive bevel gear 18, driving bevel gear 17 is meshed with passive bevel gear 18.11 one end of bend pipe and rotation 7 flange of water chamber connect
It connects, 14 flanged joint of 11 other end of bend pipe and the second reduction case, it is another close to swivelling-nozzle 12 in the second reduction case 14
The position of one end is equipped with sealing ring 15 there are water cavity 19 is crossed between 12 other end of swivelling-nozzle and the second reduction case 14, curved
Pipe 11 is connected by water cavity 19 with swivelling-nozzle 12.Sealing ring 15, water-supply-pipe 4 are provided between water-supply-pipe 4 and drive flange 8
Sealing ring 15 is also equipped between positioning sleeve 5.Outside framework oil seal 16 is provided between water-supply-pipe 4 and positioning sleeve 5.
When the present apparatus works, fixed 3 bypass of water chamber is delivered the water by delivery pump, is exported by the first retarder
The intake chamber 2b of axis 2a enters water-supply-pipe 4, and water-supply-pipe 4 feeds the water into rotation water chamber 7, then enters swivelling-nozzle 12 through bend pipe 11,
Water is finally sprayed from spray head 12a；The work of first motor 1 drives the first reducer output shaft 2a rotation, the first reducer output shaft
2a drives water-supply-pipe 4 to rotate, and water-supply-pipe 4 drives rotation water chamber 7 to rotate along 5 periphery of positioning sleeve by drive flange 8, the second electricity
Machine 13 drives driving bevel gear 17 to rotate, and passive bevel gear 18 drives swivelling-nozzle 12 to rotate, and spray head 12a is realized along two phases
Mutually vertical axis direction rotation sprays beautiful fountain.The present apparatus is by driving sink on the first reducer output shaft 2a
2b, water enter water-supply-pipe 4 after entering the first inside reducer output shaft 2a from intake chamber 2b, enter back into rotation water chamber 7, water flow is steady
Fixed orderly hydraulic pressure will not damage components by pressure, and water-supply-pipe 4 is given torque uniform transmission to rotation water chamber 7 by drive flange 8, driven
It rotates water chamber 7 to rotate, the rotation rotation of water chamber 7 is more smooth, avoids torque excessive so that damage of components；The rotor of conducting slip ring 10
10a and water-supply-pipe 4 rotate synchronously, and the rotor outgoing line 10c of conducting slip ring 10 and the second motor 13 are opposing stationary, avoid the second motor
The electric wire connected on 13 is wound；Slip ring room 6 and water completely cut off, and the rotor outgoing line 10c of conducting slip ring 10 passes through slip ring room 6 and electricity
Machine is connected, and the rotor outgoing line 10c of conducting slip ring 10 will not meet water, more securely and reliably.Present apparatus reliable operation, spray head can be around
Orthogonal two axial lines direction rotation, sprays beautiful fountain.Present apparatus vertical direction is compact-sized, may be mounted at steel dam
On the door top of gate, steel dam anchor gate can also show the fountain beautiful scenery of rotation when blocking water.
The present invention is not limited to the above embodiments, on the basis of technical solution disclosed by the invention, the skill of this field
For art personnel according to disclosed technology contents, one can be made to some of which technical characteristic by not needing creative labor
A little replacements and deformation, these replacements and deformation are within the scope of the invention.
Claims (6)
1. a kind of rotary fountain, including first motor and the second motor, first motor is connected with the transmission of the first retarder, and first subtracts
Fixed water chamber is fixedly connected on the upside of fast device, the bypass of fixed water chamber is water inlet, and underpass seals phase with the first retarder
Even, upper access is rotatably connected to vertical water-supply-pipe；Second motor is connected with swivelling-nozzle transmission, one end of swivelling-nozzle
It is provided with spray head, which is characterized in that the water-supply-pipe lower end is located inside fixed water chamber, first reducer output shaft also position
In in fixed water chamber and hollow setting, the first reducer output shaft surface is provided with several with water inlet that is being connected inside output shaft
Slot, the first reducer output shaft are fixedly linked with water-supply-pipe lower end, are connected inside the first reducer output shaft with water-supply-pipe, institute
It states on the upside of fixed water chamber and the periphery for being located at water-supply-pipe is set with positioning sleeve, positioning sleeve periphery is rotatably connected to slip ring room, slip ring
Interior is provided with conducting slip ring, and rotor and the water-supply-pipe of conducting slip ring are fixedly linked, and stator and the positioning sleeve of conducting slip ring are fixed
It is connected, rotor outgoing line passes through slip ring room and is connected with the second motor, and stator outlet passes through positioning sleeve and is connected with power supply；The slip ring room
Upside is fixedly connected with rotation water chamber, and the water-supply-pipe upper end is connected with rotation water chamber, and water-supply-pipe is through drive flange and rotation
Water chamber is connected, and the rotation water chamber is connected through bend pipe with the other end of swivelling-nozzle, and swivelling-nozzle is mounted on rotation water chamber
Side, the axis perpendicular of swivelling-nozzle and water-supply-pipe.
2. a kind of rotary fountain according to claim 1, which is characterized in that second motor is mounted on rotation water chamber
Side, the second motor upside are provided with the second reduction case, and swivelling-nozzle part of horizontal is rotatably supported in the second reduction case
Interior, one end that swivelling-nozzle stretches out the second reduction case is arranged in spray head, and the output shaft of the second motor extends into the second deceleration
In device cabinet and it is sequentially connected with driving bevel gear, passive bevel gear, driving bevel gear and quilt are fixedly connected on swivelling-nozzle
Dynamic bevel gear is meshed.
3. a kind of rotary fountain according to claim 2, which is characterized in that described bend pipe one end and rotation water chamber flange connect
It connects, the bend pipe other end and the second reduction case flanged joint, close to the position of the swivelling-nozzle other end in the second reduction-gear housing body
It sets there are water cavity is crossed, sealing ring is equipped between the swivelling-nozzle other end and the second reduction case, bend pipe is by water cavity and rotation
Jet pipe is connected.
4. a kind of rotary fountain according to claim 1 to 3, which is characterized in that the intake chamber is kidney-shaped
Slot, intake chamber are circumferentially uniformly distributed along the first reducer output shaft.
5. a kind of rotary fountain according to claim 1 to 3, which is characterized in that the water-supply-pipe upper end suit
There is drive sleeve, water-supply-pipe is connected through drive sleeve with drive flange.
6. a kind of rotary fountain according to claim 1 to 3, which is characterized in that the water-supply-pipe and driving method
It is provided with sealing ring between orchid, sealing ring is also equipped between water-supply-pipe and positioning sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610935190.5A CN106311549B (en) | 2016-11-01 | 2016-11-01 | A kind of rotary fountain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610935190.5A CN106311549B (en) | 2016-11-01 | 2016-11-01 | A kind of rotary fountain |
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| Publication Number | Publication Date |
|---|---|
| CN106311549A CN106311549A (en) | 2017-01-11 |
| CN106311549B true CN106311549B (en) | 2019-08-09 |
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ID=57818996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610935190.5A Active CN106311549B (en) | 2016-11-01 | 2016-11-01 | A kind of rotary fountain |
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| Country | Link |
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| CN (1) | CN106311549B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11701673B2 (en) * | 2018-06-29 | 2023-07-18 | Kunsoo Shin | Robotic fountain |
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| CN203448229U (en) * | 2013-07-25 | 2014-02-26 | 许杭旭 | Dry fountain type two-dimensional numerical control nozzle system |
| CN203830200U (en) * | 2014-03-06 | 2014-09-17 | 北京东方光大安装工程集团有限公司 | Two-dimensional numerical control swing mechanism for fountain water feature |
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| CN204866358U (en) * | 2015-08-18 | 2015-12-16 | 中创环科技术集团有限公司 | Digital shower nozzle of miniature two dimension |
| CN205392869U (en) * | 2016-02-26 | 2016-07-27 | 北京塞诺阳光科技有限公司 | Universal numerical control fountain device who sways |
| CN206153052U (en) * | 2016-11-01 | 2017-05-10 | 扬州楚门机电设备制造有限公司 | Rotating fountain |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357534A (en) * | 2012-06-11 | 2013-10-23 | 杭州明珠音乐喷泉有限公司 | 360-degree continuous-rotation synchronous-power-supply two-dimensional waterscape sprayer and rotation method thereof |
| CN202683401U (en) * | 2012-08-20 | 2013-01-23 | 北京中科恒业中自技术有限公司 | Lower dimension mechanism of two-dimensional fountain device |
| CN203448229U (en) * | 2013-07-25 | 2014-02-26 | 许杭旭 | Dry fountain type two-dimensional numerical control nozzle system |
| CN203830200U (en) * | 2014-03-06 | 2014-09-17 | 北京东方光大安装工程集团有限公司 | Two-dimensional numerical control swing mechanism for fountain water feature |
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| CN204866359U (en) * | 2015-08-18 | 2015-12-16 | 中创环科技术集团有限公司 | Digital shower nozzle of integrated form two dimension |
| CN204866358U (en) * | 2015-08-18 | 2015-12-16 | 中创环科技术集团有限公司 | Digital shower nozzle of miniature two dimension |
| CN205392869U (en) * | 2016-02-26 | 2016-07-27 | 北京塞诺阳光科技有限公司 | Universal numerical control fountain device who sways |
| CN206153052U (en) * | 2016-11-01 | 2017-05-10 | 扬州楚门机电设备制造有限公司 | Rotating fountain |
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| CN106311549A (en) | 2017-01-11 |
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