CN200955515Y - Column-type electric fan - Google Patents
Column-type electric fan Download PDFInfo
- Publication number
- CN200955515Y CN200955515Y CNU2006200018152U CN200620001815U CN200955515Y CN 200955515 Y CN200955515 Y CN 200955515Y CN U2006200018152 U CNU2006200018152 U CN U2006200018152U CN 200620001815 U CN200620001815 U CN 200620001815U CN 200955515 Y CN200955515 Y CN 200955515Y
- Authority
- CN
- China
- Prior art keywords
- motor
- type electric
- electric fan
- air channel
- upright post
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/10—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a pillar electric fan that is comprised of a stationary shell (4), a wind wheel, a first electric motor (1) that driving the wind wheel (13) rotate to produce wind, a wind channel (12) for transmitting the wind produced during the rotating of the wind wheel (13), and a second electric motor (17) that drives the wind channel (12) rotate; wherein, the first electric motor (1) is fixed on the shell (4). The fan of the utility model is safer and has the advantages of long service life, low noise, more convenience of utilization, and etc.
Description
Technical field
The utility model relates to the wind pushing mechanism that waves of upright post type electric fan.
Background technique
The motor fixed mechanism of existing upright post type electric fan, way is to have dividing plate 3 in plastics fore shell 4 (calling fore shell in the following text) bottom for many years, motor 1 is contained on the dividing plate 3 by electric machine support 2; After the power line 7 of this structure comes out from land 5, all be to enter in the fan body through the opening 6 on the fore shell lower partition from land.The shortcoming of this motor fixed mechanism is: for the fore shell bottom has dividing plate, and from the pressure injection angle, the slide block of loosing core under the fore shell mould need increase, structure relative complex.Part needs to add pattern draft in manufacture process, the angle that then just exists (pattern draft) to tilt between the relative engine housing of fore shell lower partition has enough intensity for guaranteeing dividing plate, will have enough stiffening ribs to connect dividing plate, need the consumption plastics more, cost also can be higher.Behind the long-play, can there be great potential safety hazard in the easy and fore shell dividing plate friction of this mechanism multiple core cord when fan waves.
Another kind of upright post type electric fan is to adopt motionless, " ducting system " the moving swinging mechaism of fuselage, and this mechanism is fixed on motor 1 and electric machine support 2 in " air channel " 12, then wind wheel 13 is installed on the motor rotation axis; The two ends up and down in " air channel " are installed on the fuselage by two fulcrums 10 and axle sleeve 11, vibration isolation rubber 9, steel ball ball 8; Micro motor 17 drives " air channel " fulcrums 14 by crank 16 and connecting rod 15, and to drive " ducting system " be that the plane oscillating motion is constantly done at the center with diaxon 10 up and down.Because adopt the fixing mode of two end axles, situation of resonance appears in " ducting system " easily when waving, cause fan to occur easily waving having some setbacks and complete machine oscillation big, the phenomenon that noise is big.
" air channel " refers in the electric fan wind wheel is rotated the various parts that the wind delivery that produces is come out, front-and-back stop aerofoil etc. for example, but do not comprise motor 1 and the electric machine support 2 that is fixed in it." ducting system " and be meant comprise the air channel and be fixed in wherein motor 1 and the entire infrastructure of electric machine support 2.
When waving, all swings the power supply lead wire of these two kinds of swinging mechaisms along with waving of fan main machine body (or ducting system), easy and other parts friction of power supply lead wire, behind the long-play, idol has power supply lead wire isolation layer wearing and tearing-short circuit (be have this series products over nearly 20 years technical barrier), has great potential safety hazard.For reducing the wearing and tearing of power supply lead wire, adopt the way that increases wire length or thickness of insulating layer usually, the power supply lead wire that not only waste material, and isolation layer is thicker has big resistance to swinging mechaism, very easily causes and waves unequal anomaly.When these two kinds of mechanisms wave, " ducting system " parts such as wind wheel, motor, electric machine support, barge board wind deflector all wave rotation together, after swinging mechaism is in high load running for a long time, very easily wearing and tearing in force parts such as micro motor, crank, connecting rod, simultaneously occurs easily waving trembling and phenomenon that running noise is big.
The model utility content
The utility model purpose is to overcome above-mentioned the deficiencies in the prior art, has solved this series products technical barrier over nearly 20 years effectively, provides a kind of safety, the life-span is long, noise is low, use the novel more easily wind pushing mechanism that waves.
According to the utility model, a kind of upright post type electric fan is provided, comprise that thereby static casing, wind wheel, driving wind wheel rotate first motor that produces wind, the hearsay that produces when wind wheel is rotated is broadcasted the air channel of coming and driven second motor that rotate in the air channel, it is characterized in that first motor is fixed on the casing.
According to an embodiment, motor fixed mechanism of the present utility model has been cancelled original fore shell dividing plate and middle axillare; Electric machine support directly is fixed on the fore shell, and has both the limit function of swinging mechaism.This fan is to adopt fuselage and motor etc. motionless, has only the wind pushing mechanism that waves of the independent rotation of " air channel " part; The utility model is installed in motor on the novel electric machine support, and electric machine support is installed on the housing of fan; Plane on the electric machine support has the motor shaft via hole, and the described axis hole of crossing plays one section round flange.The upper end in air channel of the present utility model is tight overlaps an axle, and the air channel axle is fixed on the top of blower-casting by compressing tablet, vibration isolation rubber, anti-wear sleeve; A motor shaft via hole is opened in the lower end in air channel, and the described axis hole of crossing plays a circle shirt rim, wear-resisting ring track of cover on the shirt rim; Ball collar that six steel ball balls are housed of cover below the track; During installation air channel, track, ball collar are enclosed within on the flange of electric machine support together; Planar slide is done on ball on ball collar plane on electric machine support.Motor shaft passes electric machine support, ball collar, track, air channel and after crossing axis hole wind wheel is installed again, and the upper end of wind wheel is fixed on the bearing, and bearing is fixed on the blower-casting by two screws.Like this, just do not need complete machine to rotate when waving, swinging mechaism only needs single driving air channel part can realize that then fan blown on a large scale.All do not swing and be mounted on other parts on the engine housing such as main motor, wind wheel, power supply lead wire etc. with fuselage, the load of swinging mechaism and the noise that waves generation will significantly reduce, and it is damaged and cause the potential safety hazard of short circuit thoroughly to have eliminated power supply lead wire and swinging mechaism friction.
In a kind of preferred scheme, the bottom of described fore shell is provided with the double-screw bolt with the described electric machine support that fixes.Described electric machine support is by three " U " shape supports that constitute.The end face of described electric machine support is as the supporting surface that waves the air channel.Described electric machine support has a motor shaft via hole, crosses axis hole and plays one section ring-like flange as the centering limiting board that waves the air channel.The lower plane of described " air channel " part has a motor shaft via hole, crosses axis hole and plays a circle shirt rim.When part waves, turn round in axle sleeve by a fulcrum in the upper end described " air channel ", and the lower end is made plane rotation by six steel ball balls and slided on the plane of electric machine support.
Compared with prior art, the utlity model has following advantage:
When 1, this column fan was blown on a large scale, dunnage and main motor maintained static, and only needed " air channel " to do swing repeatedly individually, then can realize.Reduce power supply lead wire because of swing or rotate the danger that idol occurs fatigue break or is worn, power supply lead wire can select for use standard size to reduce cost, and effectively improves the safety coefficient (thoroughly solve this series products over nearly 20 years technical barrier) of fan;
When 2, this column fan is done the swing air-supply, the suffered power of driving mechanism has only the load in " air channel ", " air channel " be 1/10 weight of fan fuselage only, can reduce the load of driving mechanism, reduce driving mechanism component such as micro motor, crank because of stressed overweight and impaired generation fault, more effective prolongation product working life, avoid whole desk fan weight to be pressed on the swinging mechaism simultaneously, effectively reduce noise when waving;
3, the mode that ball slides is adopted in " air channel " of the present utility model lower end, eliminates the fan resonance problem that occurs when waving, and it is more smooth and easy that " air channel " waved;
4, in the utility model, the main motor that drives wind wheel can be fixed on the madial wall of the base of fan or casing, but the latter has better technique effect; This is because when main motor is fixed on the madial wall of casing of fan, the close together of itself and wind wheel, and the motor shaft between the two is shorter, can bear bigger moment of torsion, and is more stable during work.
Description of drawings
Fig. 1, Fig. 2 is the structural representation of the swinging mechaism of existing upright post type electric fan;
Fig. 3 is a structural representation of the present utility model;
Fig. 4 is the A-A sectional view of Fig. 3;
Fig. 5 is an electric machine support schematic representation of the present utility model;
Fig. 6 is a fore shell schematic representation of the present utility model;
Fig. 7 is a ducting system scheme of installation of the present utility model.
Embodiment
With reference to Fig. 3,4 and 1,2, the swinging mechaism of this upright post type electric fan is made up of casing 4, air channel 12, track 30, ball collar 31, steel ball ball 32, wind wheel 13, motor 1, electric machine support 2, swinging mechaism etc.Motor 1 is fixed on the electric machine support 2; Electric machine support 2 is fixed on five double-screw bolts 35 of housing; Plane on the electric machine support has motor shaft via hole 34, and the described axis hole of crossing plays one section round flange 33; There is five metals axle 10 of the tight cover in upper end in the air channel, and the five metals axle is clamped on the top of housing by a vibration isolation rubber 9, axle sleeve 11, a steel ball ball 8; The lower plane in air channel is opened a motor shaft via hole 28, and a circle shirt rim 29 is played, wear-resisting ring track 30 of cover on the shirt rim by the described axis hole place of crossing; Ball collar 31 that six steel ball balls 32 are housed of cover below the track; During installation air channel, track, ball collar are enclosed within on the flange of electric machine support together, planar slide is done on the plane on electric machine support of the ball on the ball collar.Motor shaft 27 passes and installs and fixes together with wind wheel bottom 26 after electric machine support, ball collar, track, air channel are crossed axis hole, and the upper shaft 23 of wind wheel is fixed on the bearing 25, and bearing is fixed on the blower-casting by two screws 24.The lower plane in air channel plays one section sleeve 22, and sleeve tightly overlaps one section five metals axle 21, and the connecting rod 15 of fixing a plastic sleeve 20 backs and swinging mechaism on the five metals axle links together versatilely; The micro motor 17 of swinging mechaism is fixed on the blower-casting.When waving, micro motor 17 drives crank 16 and connecting rod 15 rotates together, and connecting rod 15 drives air channel 12 and constantly does swing repeatedly.
The embodiment who below provides in conjunction with the accompanying drawings (separately or use separately) only for ease of understanding the utility model, and is not to be to restriction of the present utility model.The those of ordinary skill in relevant field also can be done multiple modification and variation under the situation that does not break away from spirit and scope of the present utility model.Protection domain of the present utility model is limited by each claim, comprises the various modification and the variation that fall into each claim scope, and their equivalent.
Claims (14)
1. upright post type electric fan, comprise static casing (4), wind wheel (13), drive wind wheel (13) thereby second motor (17) that rotation produces first motor (1) of wind, the hearsay of generation when wind wheel (13) is rotated is broadcasted the air channel of coming (12) and driven described air channel (12) rotation, it is characterized in that described first motor (1) is fixed on the described casing (4).
2. upright post type electric fan as claimed in claim 1 is characterized in that described first motor (1) is fixed on the described casing (4) by support (2).
3. upright post type electric fan as claimed in claim 1 is characterized in that described first motor (1) is positioned at outside the described air channel (12).
4. upright post type electric fan as claimed in claim 1 is characterized in that the lower end in described air channel (12) is installed on the support (2) of described first motor (1).
5. upright post type electric fan as claimed in claim 2 is characterized in that the bottom of the fore shell part of described casing (4) is provided with the double-screw bolt of using described support (2) that fix, and described first motor (1) is fixed on the described fore shell by described support (2).
6. upright post type electric fan as claimed in claim 1 is characterized in that described second motor (17) is fixed on the described casing (4).
7. upright post type electric fan as claimed in claim 1, it is characterized in that also comprising crank (16) and connecting rod (15), drive described crank (16) during described second machine operation and connecting rod (15) rotates together, described connecting rod (15) drives described air channel (12) and does swing repeatedly.
8. upright post type electric fan as claimed in claim 4, the lower end that it is characterized in that described air channel (12) adopts the mode of ball slip to connect at the support (2) of described first motor (1), makes plane rotation during described air channel (12) work on the plane of described support (2) and slides.
9. upright post type electric fan as claimed in claim 1 is characterized in that an axle (10) is tightly overlapped in the upper end in described air channel (12), and this axle (10) is clamped on the top of described casing (4) by vibration isolation rubber (9), axle sleeve (11) and steel ball ball (8).
10. upright post type electric fan as claimed in claim 7, the lower plane that it is characterized in that described air channel (12) plays one section sleeve (22), this sleeve (22) tightly overlaps one section axle (21), fixes an axle sleeve (20) back on this axle (21) and links together versatilely with described connecting rod (15).
11. upright post type electric fan as claimed in claim 1, it is characterized in that having first via hole (34) on the support (2) of described first motor (1), the lower plane in described air channel (12) has second via hole (28), described second via hole (28) plays a circle shirt rim (29), a cover ring track (30) is gone up in this shirt rim (29), ball collar (31) that ball (32) are housed of cover below this track (30), the motor shaft (27) of described first motor (1) passes described first via hole (34), ball collar (31), track (30), second via hole (28) back is fixed together with the bottom (26) of described wind wheel (13).
12. as one of any described upright post type electric fan among the claim 1-11, the motor shaft (27) that it is characterized in that being positioned between described first motor (1) and the described wind wheel (13) is being shorter than the axle (21) that is positioned between described second motor (17) and described air channel (12) on the length.
13., it is characterized in that described first motor (1) is near described wind wheel (13) as one of any described upright post type electric fan among the claim 1-11.
14., it is characterized in that described first motor (1) is positioned between described second motor (17) and the described wind wheel (13) as one of any described upright post type electric fan among the claim 7-11.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200018152U CN200955515Y (en) | 2006-01-25 | 2006-01-25 | Column-type electric fan |
| US11/399,531 US20060264166A1 (en) | 2005-04-07 | 2006-04-07 | Air fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200018152U CN200955515Y (en) | 2006-01-25 | 2006-01-25 | Column-type electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200955515Y true CN200955515Y (en) | 2007-10-03 |
Family
ID=37448903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200018152U Expired - Fee Related CN200955515Y (en) | 2005-04-07 | 2006-01-25 | Column-type electric fan |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20060264166A1 (en) |
| CN (1) | CN200955515Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269171A (en) * | 2011-07-04 | 2011-12-07 | 美的集团有限公司 | Tower fan air duct rotating mechanism |
| CN105065333A (en) * | 2015-07-15 | 2015-11-18 | 佛山市山湖电器有限公司 | Stand column type fan |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD744630S1 (en) * | 2013-12-20 | 2015-12-01 | Hui Ying | Electric fan |
| CN105240972A (en) * | 2015-10-28 | 2016-01-13 | 金华市新安电气有限公司 | Constant temperature and humidity machine |
| DE102015119769A1 (en) * | 2015-11-16 | 2017-05-18 | Ulf Peschke | Air curtain system |
| CN205977757U (en) | 2016-07-19 | 2017-02-22 | 金华市新安电气有限公司 | Spout thermantidote |
| CN107781218B (en) * | 2017-10-31 | 2023-07-21 | 珠海格力电器股份有限公司 | Tower fan shell assembly and tower fan |
| KR102514421B1 (en) * | 2018-04-24 | 2023-03-24 | 선전 롄추앙 테크놀로지 그룹 씨오., 엘티디. | An air-conditioning device and its air-conditioning fan |
| USD945590S1 (en) | 2019-05-23 | 2022-03-08 | E2 Limited | Tower fan |
| USD937401S1 (en) | 2020-05-11 | 2021-11-30 | E2 Limited | Tower fan |
| CA199394S (en) * | 2020-06-23 | 2022-07-13 | Gd Midea Env Appliances Mfg Co Ltd | Fan |
| USD980405S1 (en) * | 2020-09-23 | 2023-03-07 | Shenzhen Aspiron Technology Company Limited | Tower circulator |
| CN112283174B (en) * | 2020-11-20 | 2021-10-29 | 珠海格力电器股份有限公司 | Vibration damping gasket, centrifugal fan and vehicle air conditioner |
| USD966487S1 (en) * | 2020-12-09 | 2022-10-11 | Shenzhen Jisu Technology Co., Ltd. | Fan |
| USD979734S1 (en) * | 2020-12-16 | 2023-02-28 | Vornado Air, Llc | Fan |
| USD979735S1 (en) * | 2020-12-16 | 2023-02-28 | Vornado Air, Llc | Fan |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2805820A (en) * | 1953-12-21 | 1957-09-10 | O A Sutton Corp Inc | Twin window fan |
| DE1403552A1 (en) * | 1960-03-11 | 1969-04-17 | Firth Cleveland Ltd | Fan |
| US4486144A (en) * | 1982-04-20 | 1984-12-04 | Hung Fa C | Rotating wind-guiding shell for the fan |
| DE69423847T2 (en) * | 1993-11-12 | 2000-11-09 | Sanyo Electric Co | air conditioning |
| US5556256A (en) * | 1994-07-27 | 1996-09-17 | Shao; Steve | Swivel mechanism for an electrical fan |
| US5458462A (en) * | 1994-07-27 | 1995-10-17 | Accutek Products Corp. | Swivel mechanism for electrical fan |
| US5658195A (en) * | 1995-10-04 | 1997-08-19 | Duracraft Corporation | Window fan with oscillating fan enclosure |
| KR100213539B1 (en) * | 1997-07-31 | 1999-08-02 | 전주범 | Blow fan fixing device of separating type airconditioner |
| US6050790A (en) * | 1997-09-23 | 2000-04-18 | Chen; Qian-Shan | Electric waving fan with oscillating multi-direction fan vane element |
| US6171057B1 (en) * | 1999-07-27 | 2001-01-09 | Yen-Ching Chen | Table electric fan |
| ATE439873T1 (en) * | 2000-08-28 | 2009-09-15 | Sharp Kk | AIR CONDITIONING SYSTEM AND ION GENERATOR USED THEREFOR |
| US6344065B1 (en) * | 2000-10-26 | 2002-02-05 | Paul Boulva | Air filter system for a vertical air blowing fan |
| TW458258U (en) * | 2000-12-01 | 2001-10-01 | Koochingchai Pong | Improved structure for wind-wheel and wind-channel of separated air conditioner |
| US7217098B2 (en) * | 2003-12-03 | 2007-05-15 | Seville Classics, Inc. | Tower fan assembly |
| US6953322B2 (en) * | 2003-12-03 | 2005-10-11 | Seville Classics, Inc | Tower fan assembly |
-
2006
- 2006-01-25 CN CNU2006200018152U patent/CN200955515Y/en not_active Expired - Fee Related
- 2006-04-07 US US11/399,531 patent/US20060264166A1/en not_active Abandoned
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269171A (en) * | 2011-07-04 | 2011-12-07 | 美的集团有限公司 | Tower fan air duct rotating mechanism |
| CN102269171B (en) * | 2011-07-04 | 2013-05-08 | 美的集团股份有限公司 | Tower fan air channel swing mechanism |
| CN105065333A (en) * | 2015-07-15 | 2015-11-18 | 佛山市山湖电器有限公司 | Stand column type fan |
| CN105065333B (en) * | 2015-07-15 | 2018-12-11 | 广东山湖电器有限公司 | A kind of column fan |
Also Published As
| Publication number | Publication date |
|---|---|
| US20060264166A1 (en) | 2006-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200955515Y (en) | Column-type electric fan | |
| CN2835669Y (en) | Air blowing mechanism of post type electric fan | |
| CN201572619U (en) | Multi-cylinder dispersion machine | |
| CN201088907Y (en) | High-shear vertical emulsifying machine | |
| CN201443480U (en) | Elastic supporting system of wind generating set | |
| CN202260849U (en) | Coaxial double-motor transmission structure for stage lamp | |
| CN202289934U (en) | Stirring machine | |
| CN202237852U (en) | Stirrer | |
| CN115432211B (en) | Special mortar unloading sack filling machine | |
| CN201949836U (en) | High-speed breaking fly cutter device | |
| CN104258569A (en) | Motor-driven three degrees of freedom removable dynamic race game motion simulator | |
| CN201088921Y (en) | Upright shaft type impact crusher | |
| CN201963267U (en) | Hydraulic speed reducing type oil pumping machine | |
| CN2425702Y (en) | Horizontal type thick liquid agitator | |
| CN207614703U (en) | A kind of Aquatic Feed Processing production mixing apparatus | |
| CN206935743U (en) | A kind of quick Sand screen of construction | |
| CN200970854Y (en) | Electromechanical stone cutter | |
| CN2568295Y (en) | Symmetrical surrounding high wall spraper blade and midship 3-D rotor blender | |
| CN2851556Y (en) | Floor type electronically-controlled friction pumping unit | |
| CN2830696Y (en) | Novel wind-driven generator | |
| CN205211340U (en) | Energy -concerving and environment -protective multi -functional propaganda advertisement tablet | |
| CN215464634U (en) | Chain type electric trip-hammer | |
| CN108636241A (en) | A kind of new material processing mixing device | |
| CN201640409U (en) | Feed grinder | |
| CN206027058U (en) | Amusement equipment of robot |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071003 |