CN103548706B - Square feed supply device with screw caps and limiting nuts - Google Patents
Square feed supply device with screw caps and limiting nuts Download PDFInfo
- Publication number
- CN103548706B CN103548706B CN201310587395.5A CN201310587395A CN103548706B CN 103548706 B CN103548706 B CN 103548706B CN 201310587395 A CN201310587395 A CN 201310587395A CN 103548706 B CN103548706 B CN 103548706B
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- Prior art keywords
- tooth
- rotating shaft
- rotor axle
- sleeve
- clutch discs
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- Expired - Fee Related
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- 230000033001 locomotion Effects 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 241001465754 Metazoa Species 0.000 description 6
- 244000144972 livestock Species 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 244000309464 bull Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000003975 animal breeding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides a square feed supply device with screw caps and limiting nuts. The square feed supply device comprises a base, power components, four rotating shaft components and a frame, wherein the frame comprises an inner fixing support and a square outer frame taking the shape of a square; the power components comprise a motor, a conical gearwheel and four conical pinion wheels; each rotating shaft component comprises a rotating shaft, a sleeve, a spline ring, two radial bearings, a screw cap, a limiting nut and a silo component, the two radial bearings are used for rotatably fixing the sleeve on the frame, the spline ring is fixedly embedded at the inner circumferential surface of the outer side end of the sleeve, the rotating shaft comprises an outer side part and inner side part, the inner side part of the rotating shaft is provided with spline external teeth, and the limiting nut is matched with the inner end of the rotating shaft and used for limiting the relative sliding of the rotating shaft to the spline ring.
Description
Technical field
The application relates to a kind of device, is specially a kind ofly to emit the square feed supply device with stop nut with silk.
Background technology
China is large agricultural country, Ye Shi livestock breed aquatics big country, and how systematization, industrialization management livestock breeding are urgent problems in current animal husbandry development.The animal-breeding of scale can make the knowledge of people's focusing study animal feeding, and collective provides required nutrition for animal, is conducive to centralized management, reduces costs, and promotes the growth of livestock breeding industry further, promotes the fast development of agricultural economy.At present, to the raising of numerous animal normally plant need to employ a lot of labour to carry out nursing one by one to animal, consume huge human cost.
Summary of the invention
The present invention is in order to overcome defect of the prior art, and provide and a kind ofly emit the square feed supply device with stop nut with silk, it can realize the supply of feed and withdrawal by the auto-extending of hopper assembly and regaining thus realize feeding while multiple animal, and the labour intensity greatly alleviating poultry raiser reduces the human cost of plant.
A kind ofly emit the square feed supply device with stop nut with silk, comprise base, Power Component, four rotating assemblies and frame, described frame comprises inner fixed stand and the square housing in square shape, described square housing comprises inner side frame and outer side frame, has hopper container cavity between described inner side frame and outer side frame.
Described Power Component comprises motor, a taper gear wheel and four conical pinion gear, described taper gear wheel can be connected with motor power, and the periphery that described four conical pinion gear are evenly distributed on described taper gear wheel engages with described taper gear wheel.
Each described rotating assembly comprises rotating shaft, sleeve, spline ring, journal bearing, silk emits, stop nut, hopper assembly, the quantity of described journal bearing is two, for described sleeve is rotatably mounted to frame, fixing being fitted together in the inner peripheral surface place of described sleeve outboard end has described spline ring, rotating shaft comprises Outboard Sections and inboard portion, the inboard portion of described rotating shaft has spline external tooth, described spline external tooth coordinates with described spline ring and can stretch into the internal cavities of described sleeve slidably, the inner place of the inboard portion of described rotating shaft is combined with stop nut, carry out spacing for the relative sliding between countershaft and spline ring, the Outboard Sections of described rotating shaft has external screw thread, for emitting threaded engagement with described silk, described silk emit be fixed on corresponding edge in described square housing inner side frame on, the medial extremity of described sleeve is provided with the external diameter neck less than described sleeve outer diameter, and described neck is fixedly connected with corresponding described conical pinion gear, described hopper assembly is connected with the outer end of the Outboard Sections of described rotating shaft rotationally, for holding feed.
Taper bull gear drive can drive conical pinion gear to rotate, thus drive described sleeve to rotate, rotating shaft is rotated together with sleeve by the cooperation of the spline external tooth on it and described spline ring, be fixed in frame because silk emits, therefore rotating shaft can be carried out to outer and inner movement under the drive of sleeve, thus make hopper assembly can stretch out and stretch into described outer side frame, realize supply and the withdrawal of feed.
Described square housing is fixed on inner fixed stand, described inner fixed stand is the structure of hollow circuit cylinder cylinder, described square housing is connected with the external cylindrical surface power of described hollow circuit cylinder cylinder, described taper gear wheel is fixed rotationally on the top of the inner cylinder face of described hollow circuit cylinder cylinder, the bottom of described hollow circuit cylinder cylinder is rotatably mounted on base by conical bearing, and thus makes described inner fixed stand can around vertical direction axis relative to base rotation; Described motor is arranged in the internal cavities of described hollow circuit cylinder cylinder, and be fixed with the draw runner of vertical direction outside the body of described motor, the inner cylinder face of described hollow circuit cylinder cylinder offers the chute of vertical direction, described motor, under the cooperation of described draw runner and chute, vertically can slide up and down and keep being connected with the anti-rotation of described inner fixed stand simultaneously in described internal cavities; Described motor has upper rotor axle and lower rotor axle, the upper end of described upper rotor axle has armature spindle end-tooth, the lower surface of described taper gear wheel has gear face tooth, described armature spindle end-tooth can with described gear face indented joint and disengagement, thus can selectively to drive described taper gear wheel; Described lower rotor axle is connected with clutch discs rotationally by lower bearing, described clutch discs is relative to described lower rotor axle axial restraint, the upper surface of described clutch discs is provided with clutch discs end-tooth, the lower surface of described clutch discs is fixedly installed at least two locking bars, the lower surface of described inner fixed stand is provided with fixed mount end-tooth, and described clutch discs end-tooth can engage with fixed mount end-tooth and throw off; Described base has diapire below described conical bearing, described diapire is provided with at least two strip holes coordinated with described at least two locking bars, and described at least two locking bars can slide up and down in described at least two strip holes; Described diapire is also provided with anti-rotation connecting hole, and described anti-rotation connecting hole can engage with the bottom of described lower rotor axle and throw off, thus can be selectively connected with described base anti-rotation by described lower rotor axle.
The diapire of described base is square, and foursquare every bar limit of diapire arranges a runner, thus described base is arranged on the ground; Described hopper assembly is the hollow cuboid that upper side opens wide, and can be contained in described hopper container cavity, and the hollow cavity of described cuboid is used for holding feed.
When described motor slide downward, described clutch discs moves downward under the drive of described lower rotor axle, thus at least two locking bars described in can making drop into described in bottom at least two strip holes, described clutch discs end-tooth and described fixed mount end-tooth are thrown off, and the bottom of described lower rotor axle engages with described anti-rotation connecting hole, armature spindle end-tooth and the gear face tooth of upper rotor axle are thrown off, now due to described lower rotor axle and described base anti-rotation fix, draw runner after electrical power outside body rotates and drives described inner fixed stand to rotate, thus drive described square housing to rotate.
When motor upward sliding, described clutch discs moves upward under the drive of described lower rotor axle, described at least two locking bars still keep being connected with described at least two strip holes, described clutch discs end-tooth engages with described fixed mount end-tooth, and the bottom of described lower rotor axle and described anti-rotation connecting hole are thrown off, the armature spindle end-tooth of upper rotor axle and gear face indented joint, now because the draw runner outside motor body passes through inner fixed stand, clutch discs and being connected with base anti-rotation, electrical power upper back armature spindle rotates, thus drive described taper bull gear drive.
In the present invention, by being evenly arranged four conical pinion gear on the periphery of taper gear wheel, making a motor that four conical pinion gear can be driven to rotate simultaneously, thus driving four sleeves to rotate simultaneously; By each rotating shaft being divided into the inboard portion with spline external tooth and there is externally threaded Outboard Sections, and the spline external tooth making inboard portion coordinates with the spline ring arranged in sleeve, the external screw thread of Outboard Sections is coordinated with the screw be fixed in frame, sleeve is made to be fixed in frame by journal bearing, thus rotating shaft can be moved around under the driving of motor, realize stretching out and regaining of hopper; Owing to employing the upper and lower clutch system of motor, therefore, it is possible to by means of only arranging a motor, just can selectively to hopper stretch out retraction and feed rotation supply two kinds of motions and drive, and these two kinds motions mechanically ensure that can only select one carries out, and improves the safety of system.In addition, the project organization that a motor just can realize two kinds of functions is only set and also reduces cost, improve the reliability of system cloud gray model.
Accompanying drawing explanation
Fig. 1 is the top plan view of hopper square feed supply device when returning in hopper container cavity;
Fig. 2 is the top plan view of hopper square feed supply device when stretching out frame;
Fig. 3 is the installation diagram in housing rotation, hopper not turnover situation;
Fig. 4 is that housing is fixed, installation diagram in hopper turnover situation.
Embodiment
A kind ofly emit the square feed supply device with stop nut with silk, comprise base 15, Power Component, four rotating assemblies and frame 4, described frame 4 comprises inner fixed stand 14 and the square housing in square shape, described square housing comprises inner side frame and outer side frame, has hopper container cavity between described inner side frame and outer side frame.
Described Power Component comprises motor, a taper gear wheel 1 and four conical pinion gear 2, described taper gear wheel 1 can be connected with motor power, and the periphery that described four conical pinion gear 2 are evenly distributed on described taper gear wheel 1 engages with described taper gear wheel 1.
Each described rotating assembly comprises rotating shaft 8, sleeve 7, spline ring 10, journal bearing 6, silk emits 5, stop nut 9, hopper assembly 3, the quantity of described journal bearing 6 is two, for described sleeve 7 is rotatably mounted to frame 4, fixing being fitted together in the inner peripheral surface place of described sleeve 7 outboard end has described spline ring 10, rotating shaft 8 comprises Outboard Sections 8a and inboard portion 8b, the inboard portion 8b of described rotating shaft 8 has spline external tooth, described spline external tooth coordinates with described spline ring 10 and can stretch into the internal cavities of described sleeve 7 slidably, the inner place of the inboard portion 8b of described rotating shaft 8 is combined with stop nut 9, carry out spacing for the relative sliding between countershaft 8 and spline ring 10, the Outboard Sections 8a of described rotating shaft 8 has external screw thread, and for emitting 5 threaded engagement with described silk, described silk emits 5 to be fixed on the inner side frame of corresponding edge in described square housing, the medial extremity of described sleeve 7 is provided with the external diameter neck less than described sleeve 7 external diameter, and described neck is fixedly connected with corresponding described conical pinion gear 2, described hopper assembly 3 is connected with the outer end of the Outboard Sections 8a of described rotating shaft 8 rotationally, for holding feed.
Taper gear wheel 1 rotates and conical pinion gear 2 can be driven to rotate, thus drive described sleeve 7 to rotate, rotating shaft 8 is rotated together with sleeve 7 by the cooperation of the spline external tooth on it and described spline ring 10, because silk emits 5 to be fixed in frame 4, therefore rotating shaft 8 can be carried out to outer and inner movement under the drive of sleeve 7, thus make hopper assembly 3 can stretch out and stretch into described outer side frame, realize supply and the withdrawal of feed.
Described square housing is fixed on inner fixed stand 14, described inner fixed stand 14 is the structure of hollow circuit cylinder cylinder, described square housing is connected with the external cylindrical surface power of described hollow circuit cylinder cylinder, described taper gear wheel 1 is fixed rotationally on the top of the inner cylinder face of described hollow circuit cylinder cylinder, the bottom of described hollow circuit cylinder cylinder is rotatably mounted on base 15 by conical bearing 18, and thus makes described inner fixed stand 14 can rotate around vertical direction axis relative to base 15; Described motor 13 is arranged in the internal cavities of described hollow circuit cylinder cylinder, and be fixed with the draw runner 131 of vertical direction outside the body of described motor 13, the inner cylinder face of described hollow circuit cylinder cylinder offers the chute 141 of vertical direction, described motor 13, under the cooperation of described draw runner 131 and chute 141, vertically can slide up and down and keep being connected with the anti-rotation of described inner fixed stand simultaneously in described internal cavities; Described motor 13 has upper rotor axle 132 and lower rotor axle 133, the upper end of described upper rotor axle 132 has armature spindle end-tooth 12, the lower surface of described taper gear wheel 1 has gear face tooth 11, described armature spindle end-tooth 12 can engage with described gear face tooth 11 and throw off, thus can selectively drive described taper gear wheel 1; Described lower rotor axle 133 is connected with clutch discs 16 rotationally by lower bearing 17, described clutch discs 16 is relative to described lower rotor axle 133 axial restraint, the upper surface of described clutch discs 16 is provided with clutch discs end-tooth 162, the lower surface of described clutch discs 16 is fixedly installed at least two locking bars 161, the lower surface of described inner fixed stand 14 is provided with fixed mount end-tooth 142, and described clutch discs end-tooth 162 can engage with fixed mount end-tooth 142 and throw off; Described base 15 has diapire below described conical bearing 18, described diapire is provided with at least two strip holes 152 coordinated with described at least two locking bars 161, described at least two locking bars 161 can slide up and down in described at least two strip holes 152; Described diapire is also provided with anti-rotation connecting hole 151, and described anti-rotation connecting hole 151 can engage with the bottom of described lower rotor axle 133 and throw off, thus can be selectively connected with described base 15 anti-rotation by described lower rotor axle 133.
The diapire of described base 15 is square, foursquare every bar limit of diapire arranges a runner 19, thus makes described base 15 arrange on the ground; The hollow cuboid that described hopper assembly 3 opens wide for upper side, and can be contained in described hopper container cavity, the hollow cavity of described cuboid is used for holding feed, wherein, in different hoppers, puts different feeds.
When described motor 13 slide downward, described clutch discs 16 moves downward under the drive of described lower rotor axle 133, thus at least two locking bars 161 described in can making drop into described in bottom at least two strip holes 152, described clutch discs end-tooth 162 is thrown off with described fixed mount end-tooth 142, and the bottom of described lower rotor axle 133 engages with described anti-rotation connecting hole 151, armature spindle end-tooth 12 and the gear face tooth 11 of upper rotor axle 132 are thrown off, now due to described lower rotor axle 133 and described base 15 anti-rotation fix, draw runner 131 after electrical power outside body rotates and drives described inner fixed stand 14 to rotate, thus drive described square housing to rotate.
When motor 13 upward sliding, described clutch discs 16 moves upward under the drive of described lower rotor axle 133, described at least two locking bars 161 still keep being connected with described at least two strip holes 152, described clutch discs end-tooth 162 engages with described fixed mount end-tooth 142, and the bottom of described lower rotor axle 133 and described anti-rotation connecting hole 151 are thrown off, the armature spindle end-tooth 12 of upper rotor axle 132 engages with gear face tooth 11, now because the draw runner 131 outside motor body is by inner fixed stand 14, clutch discs 16 and being connected with base anti-rotation, electrical power upper back armature spindle 132 rotates, thus drive described taper gear wheel 1 to rotate.
Owing to employing the upper and lower clutch system of motor, therefore, it is possible to by means of only arranging a motor, just selectively can supply two kinds of motions to the rotation of stretching out retraction and feed of hopper to drive, and these two kinds motions mechanically ensure that can only select one carries out, and improves the safety of system.In addition, the project organization that a motor just can realize two kinds of functions is only set and also reduces cost, improve the reliability of system cloud gray model.
Claims (1)
1. one kind is emitted the square feed supply device with stop nut with silk, comprise base (15), Power Component, four rotating assemblies and frame (4), described frame (4) comprises inner fixed stand (14) and the square housing in square shape, described square housing comprises inner side frame and outer side frame, has hopper container cavity between described inner side frame and outer side frame;
Described Power Component comprises motor, a taper gear wheel (1) and four conical pinion gear (2), described taper gear wheel (1) can be connected with motor power, and the periphery that described four conical pinion gear (2) are evenly distributed on described taper gear wheel (1) engages with described taper gear wheel (1);
Each described rotating assembly comprises rotating shaft (8), sleeve (7), spline ring (10), journal bearing (6), silk emits (5), stop nut (9), hopper assembly (3), the quantity of described journal bearing (6) is two, for described sleeve (7) is rotatably mounted to frame (4), fixing being fitted together in the inner peripheral surface place of described sleeve (7) outboard end has described spline ring (10), rotating shaft (8) comprises Outboard Sections (8a) and inboard portion (8b), the inboard portion (8b) of described rotating shaft (8) has spline external tooth, described spline external tooth coordinates with described spline ring (10) and can stretch into the internal cavities of described sleeve (7) slidably, the inner place of the inboard portion (8b) of described rotating shaft (8) is combined with stop nut (9), carry out spacing for the relative sliding between countershaft (8) and spline ring (10), the Outboard Sections (8a) of described rotating shaft (8) has external screw thread, and for emitting (5) threaded engagement with described silk, described silk emits (5) to be fixed on the inner side frame of corresponding edge in described square housing, the medial extremity of described sleeve (7) is provided with the external diameter neck less than described sleeve (7) external diameter, and described neck is fixedly connected with corresponding described conical pinion gear (2), described hopper assembly (3) is connected, for holding feed with the outer end of the Outboard Sections (8a) of described rotating shaft (8) rotationally,
Taper gear wheel (1) rotates and conical pinion gear (2) can be driven to rotate, thus drive described sleeve (7) to rotate, rotating shaft (8) is rotated together with sleeve (7) by the cooperation of the spline external tooth on it and described spline ring (10), because silk emits (5) to be fixed in frame (4), therefore rotating shaft (8) can be carried out to outer and inner movement under the drive of sleeve (7), thus make hopper assembly (3) can stretch out and stretch into described outer side frame, realize supply and the withdrawal of feed;
Described square housing is fixed on inner fixed stand (14), the structure that described inner fixed stand (14) is hollow circuit cylinder cylinder, described square housing is connected with the external cylindrical surface power of described hollow circuit cylinder cylinder, described taper gear wheel (1) is fixed rotationally on the top of the inner cylinder face of described hollow circuit cylinder cylinder, the bottom of described hollow circuit cylinder cylinder is rotatably mounted on base (15) by conical bearing (18), and thus makes described inner fixed stand (14) can rotate around vertical direction axis relative to base (15); Described motor (13) is arranged in the internal cavities of described hollow circuit cylinder cylinder, and be fixed with the draw runner (131) of vertical direction outside the body of described motor (13), the inner cylinder face of described hollow circuit cylinder cylinder offers the chute (141) of vertical direction, described motor (13), under the cooperation of described draw runner (131) and chute (141), vertically can slide up and down and keep being connected with the anti-rotation of described inner fixed stand simultaneously in described internal cavities; Described motor (13) has upper rotor axle (132) and lower rotor axle (133), the upper end of described upper rotor axle (132) has armature spindle end-tooth (12), the lower surface of described taper gear wheel (1) has gear face tooth (11), described armature spindle end-tooth (12) can engage with described gear face tooth (11) and throw off, thus can selectively drive described taper gear wheel (1); Described lower rotor axle (133) is connected with clutch discs (16) rotationally by lower bearing (17), described clutch discs (16) is relative to described lower rotor axle (133) axial restraint, the upper surface of described clutch discs (16) is provided with clutch discs end-tooth (162), the lower surface of described clutch discs (16) is fixedly installed at least two locking bars (161), the lower surface of described inner fixed stand (14) is provided with fixed mount end-tooth (142), and described clutch discs end-tooth (162) can engage with fixed mount end-tooth (142) and throw off; Described base (15) has diapire in described conical bearing (18) below, described diapire is provided with at least two strip holes (152) coordinated with described at least two locking bars (161), described at least two locking bars (161) can slide up and down in described at least two strip holes (152); Described diapire is also provided with anti-rotation connecting hole (151), described anti-rotation connecting hole (151) can engage with the bottom of described lower rotor axle (133) and throw off, thus can selectively described lower rotor axle (133) be connected with described base (15) anti-rotation;
The diapire of described base (15) is square, and foursquare every bar limit of diapire arranges a runner (19), thus described base (15) is arranged on the ground; The hollow cuboid that described hopper assembly (3) is opened wide for upper side, and can be contained in described hopper container cavity, the hollow cavity of described cuboid is used for holding feed;
When described motor (13) slide downward, described clutch discs (16) moves downward under the drive of described lower rotor axle (133), thus at least two locking bars (161) described in can making drop into described at least two strip holes (152) bottom, described clutch discs end-tooth (162) and described fixed mount end-tooth (142) are thrown off, and the bottom of described lower rotor axle (133) engages with described anti-rotation connecting hole (151), armature spindle end-tooth (12) and the gear face tooth (11) of upper rotor axle (132) are thrown off, now due to described lower rotor axle (133) and described base (15) anti-rotation fix, draw runner (131) after electrical power outside body rotates and drives described inner fixed stand (14) to rotate, thus drive described square housing to rotate,
When motor (13) upward sliding, described clutch discs (16) moves upward under the drive of described lower rotor axle (133), described at least two locking bars (161) still keep being connected with described at least two strip holes (152), described clutch discs end-tooth (162) engages with described fixed mount end-tooth (142), and the bottom of described lower rotor axle (133) and described anti-rotation connecting hole (151) are thrown off, the armature spindle end-tooth (12) of upper rotor axle (132) engages with gear face tooth (11), now because the draw runner (131) outside motor body is by inner fixed stand (14), clutch discs (16) and being connected with base anti-rotation, electrical power upper back armature spindle (132) is rotated, thus drive described taper gear wheel (1) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310587395.5A CN103548706B (en) | 2013-11-21 | 2013-11-21 | Square feed supply device with screw caps and limiting nuts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310587395.5A CN103548706B (en) | 2013-11-21 | 2013-11-21 | Square feed supply device with screw caps and limiting nuts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103548706A CN103548706A (en) | 2014-02-05 |
| CN103548706B true CN103548706B (en) | 2014-12-17 |
Family
ID=50003224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310587395.5A Expired - Fee Related CN103548706B (en) | 2013-11-21 | 2013-11-21 | Square feed supply device with screw caps and limiting nuts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103548706B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4077360A (en) * | 1976-07-16 | 1978-03-07 | F. G. Waide, Inc. | Pet feeding apparatus |
| JP3928706B2 (en) * | 2002-03-25 | 2007-06-13 | セイコーエプソン株式会社 | Reciprocating mechanism |
| CN101349339A (en) * | 2007-07-18 | 2009-01-21 | 旺矽科技股份有限公司 | Transmission shaft structure |
| CN201557456U (en) * | 2009-09-04 | 2010-08-25 | 深圳市兴日生实业有限公司 | Aquatic animal and pet feeder with self-protection function |
| CN202122272U (en) * | 2011-07-11 | 2012-01-25 | 刘向阳 | Electronic table card lifting device |
| CN102657104A (en) * | 2012-05-21 | 2012-09-12 | 南京工业职业技术学院 | Automatic bird feeder |
| CN203202143U (en) * | 2013-02-20 | 2013-09-18 | 珠海艾迪西软件科技有限公司 | Gear-type vertical lifting driving structure |
| CN203181748U (en) * | 2013-03-02 | 2013-09-11 | 赵雨梦 | Intelligent pet feeder |
-
2013
- 2013-11-21 CN CN201310587395.5A patent/CN103548706B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103548706A (en) | 2014-02-05 |
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Granted publication date: 20141217 |