CN110131195B - USB desk fan for desk - Google Patents
USB desk fan for desk Download PDFInfo
- Publication number
- CN110131195B CN110131195B CN201910267837.5A CN201910267837A CN110131195B CN 110131195 B CN110131195 B CN 110131195B CN 201910267837 A CN201910267837 A CN 201910267837A CN 110131195 B CN110131195 B CN 110131195B
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- cavity
- sliding
- fan
- rotating
- sliding block
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Classifications
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/313—Air temperature
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The USB desk fan comprises a machine body, wherein a first sliding cavity is arranged in the machine body, the left end of the first sliding cavity is communicated with a first sliding chute, heat-conducting metal is fixedly arranged at the left end of the first sliding chute, and a first sliding block is arranged in the first sliding chute in a sliding manner; the USB desk fan for the desk has the advantages of high automation degree, safety, reliability and complete functions; meanwhile, the device is simple, energy-saving, environment-friendly and high in practicability.
Description
Technical Field
The invention relates to the field of small household appliances, in particular to a USB desk fan for a desk.
Background
The general USB desk fan has single function, if a user forgets to turn off the USB desk fan after the USB desk fan is turned on, electric energy is wasted, wind power adjustment needs manual adjustment, when the room temperature is lowered in an area with large temperature difference, the user often forgets to lower the gear of the fan, the mouth is dry when strong wind blows for a long time, and the user can even catch a cold at night; therefore, it is necessary to design a USB desk fan for desk to solve the above problems.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a USB desk fan for a desk, which can solve the problems in the prior art.
The invention is realized by the following technical scheme: the USB desk fan comprises a machine body, wherein a first sliding cavity is arranged in the machine body, the left end of the first sliding cavity is communicated with a first sliding groove, heat conducting metal is fixedly arranged at the left end of the first sliding groove, a first sliding block is arranged in the first sliding groove in a sliding mode, mercury is arranged between the first sliding block and the heat conducting metal, the first sliding block extends into the first sliding cavity, a second sliding block is fixedly arranged at the right end of the first sliding block and slides in the first sliding cavity, a first spring is fixedly connected between the second sliding block and the left end face of the first sliding cavity, a fixed block is fixedly connected at the right end of the second sliding block, a rack is fixedly arranged on the top face of the fixed block, a rotating cavity is arranged at the top end of the first sliding cavity in a communicating mode, a first cavity is arranged at the right side of the rotating cavity, and is communicated with the first sliding cavity, a first rotating shaft is rotatably arranged in the rotating cavity, a gear is fixedly arranged on the first rotating shaft and meshed with the rack, a rotating electrifying device is arranged in the rotating cavity, a second rotating shaft is rotatably arranged at the right end of the first sliding cavity, a pressing sheet is fixedly arranged on the second rotating shaft, a second spring is fixedly connected between the pressing sheet and the right side end face of the first sliding cavity, a resistance wire is arranged in the first cavity, an electrified sliding sheet is slidably arranged on the resistance wire, a jacking pressure resistance adjusting device is arranged between the electrified sliding sheet and the pressing sheet, a second sliding cavity with an upward opening is arranged at the top end of the first cavity, a second cavity with an upward opening is arranged at the top end of the rotating cavity, a fan motor is fixedly arranged at the bottom end of the second cavity, a third rotating shaft is rotatably arranged at the left end of the second cavity, a torsion spring is fixedly arranged at the rear side of the third rotating shaft, and a, a fan cover is arranged in the second sliding cavity in a sliding mode, a filter screen is wound between the fan cover and the rotary disc, and an air cover is arranged between the second cavity and the second sliding cavity to lift.
The first rotating shaft is fixedly provided with a fan-shaped guide vane, the fan-shaped guide vane is located at the front end of the gear, a first contact is fixedly arranged at the left end of the rotating cavity, a second contact is arranged at the right end of the rotating cavity, the left end of the first contact is connected with a first wire, and a USB socket is fixedly arranged at the tail end of the first wire.
The resistance wire is connected with a first cavity, the top end of the first cavity is fixedly provided with a first contact, the bottom end of the electrified sliding sheet is provided with a first sliding groove with a downward opening, a first sliding block is arranged in the first sliding groove in a sliding mode, a first spring is fixedly connected between the first sliding block and the top surface of the first sliding groove, and a hinge shaft is arranged between the first sliding block and the pressing sheet in a rotating mode.
Preferably, a third wire is connected between the fan motor and the third contact, the top end of the fan motor is in power connection with an impeller, an electromagnet is fixedly arranged at the bottom end of the second sliding cavity and is electrically connected with the third contact, an electromagnet is fixedly arranged at the bottom end of the fan cover, a slot penetrating through the right side of the fan cover is formed in the right side of the fan cover, a temperature ruler can be inserted into the slot, and a pointer is fixedly arranged at the top end of the fan cover.
In conclusion, the beneficial effects of the invention are as follows: the USB desk fan for the desk has the advantages of high automation degree, safety, reliability and complete functions; meanwhile, the device is simple, energy-saving, environment-friendly and high in practicability.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
Fig. 1 is a schematic overall structure diagram of a USB desk fan for a desk according to the present invention;
FIG. 2 is a schematic top view of FIG. 1;
fig. 3 is an enlarged structural diagram of B in fig. 1.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-3, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
As shown in fig. 1-3, the USB desk fan for desk of the present invention comprises a body 10, a first sliding cavity 30 is provided in the body 10, a first sliding chute 24 is provided at the left end of the first sliding cavity 30 in a communicating manner, a heat conducting metal 22 is fixed at the left end of the first sliding chute 24, a first sliding block 25 is provided in the first sliding chute 24 in a sliding manner, mercury 23 is provided between the first sliding block 25 and the heat conducting metal 22, the first sliding block 25 extends into the first sliding cavity 30, a second sliding block 27 is fixed at the right end of the first sliding block 25, the second sliding block 27 slides in the first sliding cavity 30, a first spring 26 is fixedly connected between the second sliding block 27 and the left end face of the first sliding cavity 30, a fixed block 29 is fixedly connected at the right end of the second sliding block 27, a rack 28 is fixed at the top of the fixed block 29, a rotating cavity 33 is provided at the top end of the first sliding cavity 30 in a communicating manner, a first cavity 38 is arranged on the right side of the rotating cavity 33, the first cavity 38 is communicated with the first sliding cavity 30, a first rotating shaft 31 is arranged in the rotating cavity 33 in a rotating mode, a gear 32 is fixedly arranged on the first rotating shaft 31, the gear 32 is meshed with the rack 28, a rotating energizing device 90 is arranged in the rotating cavity 33, a second rotating shaft 35 is arranged at the right end of the first sliding cavity 30 in a rotating mode, a pressing sheet 54 is fixedly arranged on the second rotating shaft 35, a second spring 34 is fixedly connected between the pressing sheet 54 and the right end face of the first sliding cavity 30, a resistance wire 48 is arranged in the first cavity 38, an energizing sliding sheet 49 is arranged on the resistance wire 48 in a sliding mode, a jacking pressure resistance adjusting device 91 is arranged between the energizing sliding sheet 49 and the pressing sheet 54, a second sliding cavity 42 with an upward opening is arranged at the top end of the first cavity 38, a second cavity 11 with an upward opening is arranged at the top end of, 11 bottom mounting of second cavity is equipped with fan motor 17, 11 left ends of second cavity rotate and are equipped with third pivot 15, the fixed torsional spring 14 that is equipped with in third pivot 15 rear side, the fixed carousel 13 that is equipped with of third pivot 15, it is equipped with fan cover 46 to slide in the second sliding chamber 42, fan cover 46 with the winding has filter screen 12 between the carousel 13, second cavity 11 with it goes up and down 92 to be equipped with the wind cover between the second sliding chamber 42.
In the following, a specific implementation manner for implementing the rotary energizing device 90 will be described in detail, the first rotating shaft 31 is fixedly provided with a fan-shaped guide vane 37, the fan-shaped guide vane 37 is located at the front end of the gear 32, the left end of the rotating cavity 33 is fixedly provided with a first contact 21, the right end of the rotating cavity 33 is provided with a second contact 36, the left end of the first contact 21 is connected with a first wire 20, and the end of the first wire 20 is fixedly provided with a USB socket 19.
Next, referring to fig. 1 and fig. 3, the top pressure resistance adjusting device 91 of the present application is described in detail, a second lead 39 is connected between the second contact 36 and the resistance wire 48, a third contact 40 is fixedly disposed at the top end of the first cavity 38, a second chute 50 with a downward opening is disposed at the bottom end of the energized sliding piece 49, a third slider 52 is slidably disposed in the second chute 50, a third spring 51 is fixedly connected between the third slider 52 and the top surface of the second chute 50, and a hinge shaft 53 is rotatably disposed between the third slider 52 and the pressing piece 54.
Advantageously, as shown in fig. 1-2, a third wire 18 is connected between the fan motor 17 and the third contact 40, the top end of the fan motor 17 is in power connection with the impeller 16, the bottom end of the second sliding cavity 42 is fixedly provided with an electromagnet 41, the electromagnet 41 is electrically connected with the third contact 40, the bottom end of the fan cover 46 is fixedly provided with an electromagnet 45, the right side of the fan cover 46 is provided with an insertion slot 44 which penetrates up and down, a temperature gauge 43 can be inserted into the insertion slot 44, and the top end of the fan cover 46 is fixedly provided with a pointer 47.
In the following, the applicant will refer to fig. 1-3 and the specific composition of a USB desk fan of the present application described above to describe its use in detail:
first, in the initial state, the electromagnet 41 generates a force repelling the electromagnet 45, the fan-shaped guide piece 37 is not in contact with the first contact point 21, and the fan-shaped guide piece 37 is always in contact with the second contact point 36;
when the external environment temperature rises, the heat conducting metal 22 conducts heat to the mercury 23, the mercury 23 expands when heated, the mercury 23 drives the first sliding block 25 to slide rightwards, the first sliding block 25 drives the second sliding block 27 and the fixed block 29 to slide rightwards, the fixed block 29 drives the rack 28 to slide rightwards, the rack 28 drives the gear 32 to rotate, and the gear 32 drives the fan-shaped guide vane 37 to rotate;
when a certain high temperature is reached, the fan-shaped guide sheet 37 is rotationally connected with the first contact 21 and the second contact 36, the fan motor 17 is communicated with a power supply circuit of the USB socket 19, the fan motor 17 is automatically started, the fan motor 17 drives the impeller 16 to rotate to generate wind energy, the electromagnet 41 is communicated with the power supply circuit of the USB socket 19, the electromagnet 41 is repelled by the electromagnet 45, the electromagnet 45 drives the fan cover 46 to slide upwards, the fan cover 46 does not close the second cavity 11 any more, and the desk fan starts to blow outwards;
when the temperature continues to rise, the fixed block 29 continues to slide rightwards, the fixed block 29 extrudes the pressing sheet 54, the pressing sheet 54 drives the electrified sliding sheet 49 to slide leftwards, the electrified sliding sheet 49 slides to change the resistance value of the circuit, the resistance value of the circuit is reduced, the current is increased, the wind energy generated by the impeller 16 is larger, and the left opening of the fan cover 46 is larger;
during the raising of the fan cover 46, the pointer 47 cooperates with the temperature ruler 43 to indicate the current ambient temperature.
In conclusion, the USB desk fan for the desk has the advantages of high automation degree, safety, reliability and complete functions; meanwhile, the device is simple, energy-saving, environment-friendly and high in practicability.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention.
Claims (4)
1. A USB desk fan for a desk comprises a machine body, wherein a first sliding cavity is arranged in the machine body, the left end of the first sliding cavity is communicated with a first sliding groove, heat conducting metal is fixedly arranged at the left end of the first sliding groove, a first sliding block is arranged in the first sliding groove in a sliding mode, mercury is arranged between the first sliding block and the heat conducting metal, the first sliding block extends into the first sliding cavity, a second sliding block is fixedly arranged at the right end of the first sliding block and slides in the first sliding cavity, a first spring is fixedly connected between the second sliding block and the left end face of the first sliding cavity, a fixed block is fixedly connected at the right end of the second sliding block, a rack is fixedly arranged on the top face of the fixed block, a rotating cavity is arranged at the top end of the first sliding cavity in a communicating mode, a first cavity is arranged at the right side of the rotating cavity, and is communicated with the first sliding cavity, a first rotating shaft is rotatably arranged in the rotating cavity, a gear is fixedly arranged on the first rotating shaft and meshed with the rack, a rotating electrifying device is arranged in the rotating cavity, a second rotating shaft is rotatably arranged at the right end of the first sliding cavity, a pressing sheet is fixedly arranged on the second rotating shaft, a second spring is fixedly connected between the pressing sheet and the right side end face of the first sliding cavity, a resistance wire is arranged in the first cavity, an electrified sliding sheet is slidably arranged on the resistance wire, a jacking pressure resistance adjusting device is arranged between the electrified sliding sheet and the pressing sheet, a second sliding cavity with an upward opening is arranged at the top end of the first cavity, a second cavity with an upward opening is arranged at the top end of the rotating cavity, a fan motor is fixedly arranged at the bottom end of the second cavity, a third rotating shaft is rotatably arranged at the left end of the second cavity, a torsion spring is fixedly arranged at the rear side of the third rotating shaft, and a, a fan cover is arranged in the second sliding cavity in a sliding mode, a filter screen is wound between the fan cover and the rotary table, and an air cover is arranged between the second cavity and the second sliding cavity to lift; therefore, mercury thermal expansion is utilized to drive the fan to be electrified and the fan cover to be opened.
2. A USB desk fan as claimed in claim 1 wherein: the first rotating shaft is fixedly provided with a fan-shaped guide vane, the fan-shaped guide vane is positioned at the front end of the gear, the left end of the rotating cavity is fixedly provided with a first contact, the right end of the rotating cavity is provided with a second contact, the left end of the first contact is connected with a first lead, and the tail end of the first lead is fixedly provided with a USB socket; thus, the fan blade rotates to energize the fan motor and the electromagnet.
3. A USB desk fan as claimed in claim 2 wherein: a second lead is connected between the second contact and the resistance wire, a third contact is fixedly arranged at the top end of the first cavity, a second chute with a downward opening is arranged at the bottom end of the electrified sliding sheet, a third sliding block is arranged in the second chute in a sliding manner, a third spring is fixedly connected between the third sliding block and the top surface of the second chute, and a hinge shaft is rotatably arranged between the third sliding block and the pressing sheet; therefore, the fixed block pushes the pressing sheet, and the pressing sheet drives the electrified sliding sheet to change the circuit resistance.
4. A USB desk fan as claimed in claim 3 wherein: a third wire is connected between the fan motor and the third contact, the top end of the fan motor is in power connection with an impeller, an electromagnet is fixedly arranged at the bottom end of the second sliding cavity and is electrically connected with the third contact, an electromagnet is fixedly arranged at the bottom end of the fan cover, an inserting groove which penetrates up and down is arranged at the right side of the fan cover, a temperature ruler can be inserted into the inserting groove, and a pointer is fixedly arranged at the top end of the fan cover; therefore, the electromagnet drives the fan cover to slide upwards to open the air port, and the pointer and the temperature ruler are matched to indicate the current environment temperature.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910267837.5A CN110131195B (en) | 2019-04-03 | 2019-04-03 | USB desk fan for desk |
| AU2019202544A AU2019202544B1 (en) | 2019-04-03 | 2019-04-11 | A USB desk fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910267837.5A CN110131195B (en) | 2019-04-03 | 2019-04-03 | USB desk fan for desk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110131195A CN110131195A (en) | 2019-08-16 |
| CN110131195B true CN110131195B (en) | 2020-06-05 |
Family
ID=67569268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910267837.5A Active CN110131195B (en) | 2019-04-03 | 2019-04-03 | USB desk fan for desk |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110131195B (en) |
| AU (1) | AU2019202544B1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3893555A (en) * | 1973-05-24 | 1975-07-08 | Dynair Ltd | Rotary fans |
| CN86211025U (en) * | 1986-12-31 | 1988-04-20 | 冉声扬 | Multifunctional energy-saving electric fan and its multifunctional speeder |
| CN1141666A (en) * | 1993-12-13 | 1997-01-29 | 安泳俊 | Electric fan |
| CN102400929A (en) * | 2010-09-07 | 2012-04-04 | 戴森技术有限公司 | Fan |
| CN104179702A (en) * | 2014-08-26 | 2014-12-03 | 河南科技大学 | Safety charging fan with double purposes of solar energy and USB |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4823694B2 (en) * | 2006-01-13 | 2011-11-24 | 日本電産コパル株式会社 | Small fan motor |
| DE102013110870A1 (en) * | 2013-10-01 | 2015-04-02 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Fan device and use of such |
| CN109026778A (en) * | 2018-08-20 | 2018-12-18 | 安徽艾珂尔制药有限公司 | A kind of medical apparatus and instruments cooling fan |
-
2019
- 2019-04-03 CN CN201910267837.5A patent/CN110131195B/en active Active
- 2019-04-11 AU AU2019202544A patent/AU2019202544B1/en not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3893555A (en) * | 1973-05-24 | 1975-07-08 | Dynair Ltd | Rotary fans |
| CN86211025U (en) * | 1986-12-31 | 1988-04-20 | 冉声扬 | Multifunctional energy-saving electric fan and its multifunctional speeder |
| CN1141666A (en) * | 1993-12-13 | 1997-01-29 | 安泳俊 | Electric fan |
| CN102400929A (en) * | 2010-09-07 | 2012-04-04 | 戴森技术有限公司 | Fan |
| CN104179702A (en) * | 2014-08-26 | 2014-12-03 | 河南科技大学 | Safety charging fan with double purposes of solar energy and USB |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2019202544B1 (en) | 2020-09-10 |
| CN110131195A (en) | 2019-08-16 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200511 Address after: Position 419B, Jiufeng maker space, 1780-1784 Wenzhou Avenue, Nanjiao street, Lucheng District, Wenzhou City, Zhejiang Province, 325000 Applicant after: Wenzhou Fanghao Electronic Technology Co., Ltd Address before: 324000 Lujiawu No. 3, Aifeng Village, Xintangbian Town, Jiangshan City, Quzhou City, Zhejiang Province Applicant before: Jiangshan Heshuo Stationery Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20201203 Address after: Qidong City, Jiangsu province 226200 Nantong lvsigang Tianfen electric tools trade city comprehensive building Patentee after: QIDONG TIANFEN ELECTRIC TOOL TECHNOLOGY INNOVATION CENTER Address before: Position 419B, Jiufeng maker space, 1780-1784 Wenzhou Avenue, Nanjiao street, Lucheng District, Wenzhou City, Zhejiang Province, 325000 Patentee before: Wenzhou Fanghao Electronic Technology Co.,Ltd. |