CN109026781B - Secondary safety hand-held electric fan - Google Patents
Secondary safety hand-held electric fan Download PDFInfo
- Publication number
- CN109026781B CN109026781B CN201810985118.2A CN201810985118A CN109026781B CN 109026781 B CN109026781 B CN 109026781B CN 201810985118 A CN201810985118 A CN 201810985118A CN 109026781 B CN109026781 B CN 109026781B
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- CN
- China
- Prior art keywords
- connecting seat
- hole
- draw
- bar
- electric fan
- 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.)
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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
- F04D25/084—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation hand fans
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
- F04D29/646—Mounting or removal of fans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a secondary safety handheld electric fan, which comprises a handle, wherein a driving main body is arranged at the upper end of the handle, a connecting seat is connected to the right side of the upper end and the lower end of the driving main body, a mounting end is embedded in the middle of the right side of the connecting seat, a blade rotating shaft is fixed on the right side of the mounting end, a blade is fixedly connected to the edge of the blade rotating shaft, a driving plate is embedded in the left side of the inside of the connecting seat, a connecting shaft is fixed on the left side of the driving plate, a limiting plate is connected to the left side of the mounting end, and a first through hole is arranged at the upper end of the inside of the limiting plate. The problem that in the prior art, the handheld electric fan drives the blades to rotate after the driving motor is electrified, the fan rotates immediately as long as the switch is turned on, the blades of the handheld electric fan are directly exposed in the air, no protective measures are provided, and if the switch is not touched carelessly, the blades can be damaged under the condition of no precaution.
Description
Technical Field
The invention relates to the field of fans, in particular to a secondary insurance handheld electric fan.
Background
When the fan is used in summer, the fan becomes an indispensable tool, the handheld electric fan is light and convenient and can be widely used by a user through battery driving, in the prior art, the handheld electric fan drives the blades to rotate after the driving motor is electrified, the fan rotates immediately as long as the switch is opened, the blades of the handheld electric fan are directly exposed in the air, no protective measures are provided, and if the switch is not touched carefully, the handheld electric fan is possibly damaged by the blades under the condition of no precaution.
Disclosure of Invention
The invention aims to provide a secondary safety handheld electric fan, which solves the problems that in the prior art, the handheld electric fan drives blades to rotate after a driving motor is electrified, the fan immediately rotates as long as a switch is turned on, the blades of the handheld electric fan are directly exposed in air, no protective measures are taken, and if the switch is not touched carefully, the blades are possibly damaged under the condition of no precaution.
In order to achieve the above object, the present invention provides the following technical means: the utility model provides a handheld electric fan of secondary insurance, includes the handle, the handle upper end is equipped with the drive main part, the upper and lower end right side of drive main part is connected with the connecting seat, and inlays in the middle part of the right side of connecting seat has the installation end, the right side of installation end is fixed with the blade pivot, blade pivot edge fixedly connected with blade, the inside left side of connecting seat is inlayed and is had the drive plate, and the left side of drive plate is fixed with the connecting axle, the left side of installation end is connected with the limiting plate, and installs first through-hole on the inside upper end of limiting plate, the internally mounted of connecting seat has first steel ball, and the one end that first steel ball is close to the connecting seat central line is inlayed and is had first carousel, the draw-in groove sets up in the inside left side of first carousel, and the left side of draw-in groove is connected with the second through-hole.
Preferably, a bolt is arranged on the right side of the driving plate, the bolt is fixedly connected with the driving plate, and the length of the bolt is equal to the sum of the length of the first through hole and the length of the second through hole.
Preferably, the first steel ball is in sliding connection with the connecting seat, and the first steel ball is in sliding connection with the first rotating disc.
Preferably, the inner wall of the driving plate is embedded with a second steel ball, one end of the second steel ball, which is close to the center point of the driving plate, is connected with a second rotary table, the limiting plate is fixedly connected with the mounting end, and the length of the limiting plate is equal to that of the clamping groove.
Preferably, the driving plate is in sliding connection with the connecting seat, and the driving plate is in rotary connection with the second turntable through the second steel balls.
Preferably, the extension end of the driving main body is provided with a butt joint, the butt joint is connected with a connecting shaft in a matched mode, the butt joint comprises an inserting rod, three rectangular protrusions are arranged on the center of the surface of the inserting rod in a symmetrical mode, the connecting shaft comprises a circular ring, three rectangular grooves are formed in the center of the inner surface of the circular ring in a symmetrical mode, and the inserting rod is connected with the circular ring in a sliding mode in a matched mode.
Preferably, the connecting seat top is equipped with the bar through-hole, the drive plate top is equipped with cylindrical draw-in groove, the joint has the draw-in lever in the cylindrical draw-in groove, the draw-in lever passes the bar through-hole, and with bar through-hole sliding connection, the draw-in lever top is equipped with the block cap, block cap and draw-in lever fixed connection.
Preferably, the handle is provided with a start switch
The invention has the beneficial effects that the mounting end and the limiting plate can be fixed on the first rotary table through the bolt which can directly pass through the first through hole and be inserted into the second through hole, so that the mounting end and the first rotary table are more tightly connected, and the mounting end, the driving plate and the first rotary table are connected together. According to the invention, the first steel balls are respectively and movably connected with the connecting seat and the first rotating disc, and when the connecting seat is fixed on the driving main body, the first rotating disc can rotate in the connecting seat by utilizing the first steel balls without driving the connecting seat to rotate together.
Because pass through threaded connection between connecting seat and the drive main part, rotate the connecting seat and will dismantle from the drive main part, insert first drill bit from the left side inside of connecting seat and pass through, make the left limiting plate of installation end enter into the draw-in groove, in promoting the drive plate, make the bolt insert the second through-hole in passing first through-hole, just fix installation end and limiting plate on first carousel, make the connection between installation end and the first carousel inseparabler, just make installation end, drive plate and first carousel link together, make the installation more convenient with dismantling, and the drive plate can utilize the bolt to drive the installation end and rotate, be fixed to the drive main part with the connecting seat again, in the time of the rotation, drive shaft and connecting axle contact in the drive main part take place to rotate, the bolt does not insert the second through-hole this moment, the fan can not take place to rotate, avoid people to lead to the blade to rotate under the condition of not having the backup when touching the start-up switch this moment, make the connecting seat move to the handle direction, make the installation end insert in the second through-hole this moment, drive the installation end and take place to rotate the blade, and then take place the blade, make the card cap rotates, in order to prevent to take place the cylindrical shape after the card, the card cap rotates, in order to prevent to take place, the purpose at the bottom the card, the draw-down, the plug is fixed under the cylindrical.
Drawings
Fig. 1 is a diagram of a secondary insurance hand-held electric fan according to the present invention.
Fig. 2 is a front cross-sectional view of the connector according to the present invention.
Fig. 3 is a left side view of the drive plate according to the present invention.
Fig. 4 is a left cross-sectional view of the connecting shaft.
Fig. 5 is an enlarged view of the portion a of fig. 2.
Wherein: 01 driving main body, 011 butt joint, 0111 inserted link, 0112 rectangular bulge, 02 connecting seat, 021 bar through hole, 03 mounting end, 05 handle, 06 start switch, 07 blade rotating shaft, 08 blade, 09 driving plate, 091 cylindrical clamping groove, 092 clamping rod, 093 clamping cap, 10 bolt, 11 connecting shaft, 111 ring, 112 rectangular groove, 12 limiting plate, 13 first through hole, 14 first steel ball, 15 first rotary disk, 16 clamping groove, 17 second through hole, 18 second steel ball, 19 second rotary disk.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The utility model provides a handheld electric fan of secondary insurance, includes handle 05, handle 05 upper end is equipped with drive main part 01, drive main part 01's upper and lower extreme right side is connected with connecting seat 02, and the right side middle part of connecting seat 02 is inlayed and is had installation end 03, the right side fixedly connected with blade pivot 07 of installation end 03, blade pivot 07 edge fixedly connected with blade 08, drive plate 09 is inlayed in the inside left side of connecting seat 02, and drive plate 09's left side fixedly connected with connecting axle 11, the left side of installation end 03 is connected with limiting plate 12, and limiting plate 12's inside upper end is settled there is first through-hole 13, the internally mounted of connecting seat 02 has first steel ball 14, and the one end that first steel ball 14 is close to connecting seat 02 central line is inlayed and is had first carousel 15, draw-in groove 16 sets up in the inside left side of first carousel 15, and the left side of draw-in groove 16 is connected with second through-hole 17, the right side of drive plate 09 is provided with 10, be fixed connection between 10 and the drive plate 09, and drive plate 11 left side fixedly connected with connecting axle 11, the left side of drive plate 09 is connected with limiting plate 12, and the inside upper end of limiting plate 12 is settled there is first through-hole 13 with first steel ball 14, and second carousel 19, and the length of connecting plate 19 is connected with first through-hole 19 with second carousel 14, and second carousel 19, and the length is connected with first steel ball 14 and second carousel 19, and the first end is connected with the first through-ball 19. Because the connecting seat 02 and the driving main body 01 are connected through threads, the connecting seat 02 can be detached from the driving main body 01, the first drill bit 04 is inserted into and penetrates through the left side of the connecting seat 02, the limiting plate 12 on the left side of the mounting end 03 enters the clamping groove 16, the driving plate 09 is pushed, the bolt 10 penetrates through the first through hole 13 and is inserted into the second through hole 17, the mounting end 03 and the limiting plate 12 are fixed on the first rotating disc 15, the mounting end 03 and the first rotating disc 15 are connected more tightly, the mounting end 03, the driving plate 09 and the first rotating disc 15 are connected together, the mounting and the dismounting are more convenient, the driving plate 09 can drive the mounting end 03 to rotate by utilizing the bolt 10, and then the connecting seat 02 is fixed on the driving main body 01.
The end that stretches out of driving body 01 is equipped with the butt joint 011, the butt joint 011 is connected with connecting axle 11 cooperation, the butt joint 011 includes inserted bar 0111, inserted bar 0111 surface central symmetry is equipped with three rectangle arch 0112, connecting axle 11 includes ring 111, ring 111 internal surface central symmetry is equipped with three rectangle recess 112, inserted bar 0111 and ring 111 sliding connection, rectangle arch 0112 is connected with rectangle recess 112 cooperation, connecting seat 02 top is equipped with bar through-hole 021, driving plate 09 top is equipped with cylindrical draw-in groove 091, the joint has draw-in bar 092 in the cylindrical draw-in groove 091, draw-in bar 092 passes bar through-hole 021, and with bar through-hole 021 sliding connection, draw-in bar 092 top is equipped with block cap 093, block cap 093 and draw-in bar 092 fixed connection. By the cooperation of the rectangular groove 112 and the rectangular protrusion 0112, the blade 08 can rotate synchronously and rapidly, and the starting switch 06 is arranged on the handle 05. The start switch 06 is electrically connected with the driving body 01.
The specific working principle and the steps are as follows: because the connecting seat 02 and the driving main body 01 are connected through threads, the connecting seat 02 can be detached from the driving main body 01, the first drill bit 04 is inserted into and penetrates through the left side of the connecting seat 02, the limiting plate 12 on the left side of the mounting end 03 enters the clamping groove 16, the driving plate 09 is pushed, the bolt 10 penetrates through the first through hole 13 and is inserted into the second through hole 17, the mounting end 03 and the limiting plate 12 are fixed on the first rotating disc 15, the mounting end 03 and the first rotating disc 15 are connected more tightly, the mounting end 03, the driving plate 09 and the first rotating disc 15 are connected together, the mounting and the dismounting are more convenient, the driving plate 09 can drive the mounting end 03 to rotate by utilizing the bolt 10, and then the connecting seat 02 is fixed on the driving main body 01. After the starting switch 06 starts, the driving main body 01 rotates, and when the driving shaft in the driving main body 01 contacts with the connecting shaft 11 to drive the second turntable 19 to rotate, at the moment, the bolt 10 is not inserted into the second through hole 17, so that the fan cannot rotate, the phenomenon that the blade 08 rotates under the condition of no defense caused by careless touching of the starting switch 06 is avoided, at the moment, the connecting seat 02 is pressed, the connecting seat 02 moves towards the direction of the handle 05, at the moment, the bolt 10 is inserted into the second through hole 17 to drive the mounting end 02 to rotate, the blade 08 rotates, and after the blade 08 rotates, the clamping rod 092 is clamped in the cylindrical clamping groove 091 to achieve the purpose of fixing by pressing the clamping cap 093 so as to prevent the bolt 10 from separating from the second through hole 17.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a handheld electric fan of secondary insurance, its characterized in that, including handle (05), handle (05) upper end is equipped with drive main part (01), the upper and lower end right side of drive main part (01) is connected with connecting seat (02), and installs end (03) are inlayed at the right side middle part of connecting seat (02), the right side of installing end (03) is fixed with blade pivot (07), blade pivot (07) edge fixedly connected with blade (08), drive plate (09) are inlayed in the inside left side of connecting seat (02), and the left side of drive plate (09) is fixed with connecting axle (11), the left side of installing end (03) is connected with limiting plate (12), and the inside upper end of limiting plate (12) is settled there is first through-hole (13), the internally mounted of connecting seat (02) has first steel ball (14), and the one end that first steel ball (14) are close to connecting seat (02) central line is inlayed and is had first carousel (15), draw-in groove (16) are set up in inside left side of first carousel (15), and the second through-hole (17) are connected with on the right side of draw-in groove (16);
the inner wall of the driving plate (09) is embedded with a second steel ball (18), one end of the second steel ball (18) close to the center point of the driving plate (09) is connected with a second rotary table (19), the limiting plate (12) is fixedly connected with the mounting end (03), and the length of the limiting plate (12) is equal to that of the clamping groove (16);
the right side of the driving plate (09) is provided with a bolt (10), the bolt (10) is fixedly connected with the second rotary table (19), and the length of the bolt (10) is equal to the sum of the length of the first through hole (13) and the length of the second through hole (17);
the driving plate (09) is in sliding connection with the connecting seat (02), and the driving plate (09) is in rotary connection with the second rotary table (19) through second steel balls (18);
the connecting seat (02) top is equipped with bar through-hole (021), drive plate (09) top is equipped with cylindrical draw-in groove (091), joint has draw-in bar (092) in cylindrical draw-in groove (091), draw-in bar (092) pass bar through-hole (021), and with bar through-hole (021) sliding connection, draw-in bar (092) top is equipped with block cap (093), block cap (093) and draw-in bar (092) fixed connection.
2. The secondary safety handheld electric fan according to claim 1, wherein the first steel ball (14) is slidably connected with the connection seat (02), and the first steel ball (14) is slidably connected with the first rotating disc (15).
3. The secondary insurance hand-held electric fan according to claim 1, wherein the protruding end of the driving main body (01) is provided with a butt joint (011), the butt joint (011) is connected with the connecting shaft (11) in a matched mode, the butt joint (011) comprises a plug rod (0111), three rectangular protrusions (0112) are symmetrically arranged on the center of the surface of the plug rod (0111), the connecting shaft (11) comprises a circular ring (111), three rectangular grooves (112) are symmetrically arranged on the center of the inner surface of the circular ring (111), the plug rod (0111) is connected with the circular ring (111) in a sliding mode, and the rectangular protrusions (0112) are connected with the rectangular grooves (112) in a matched mode.
4. The secondary safety hand-held electric fan as claimed in claim 1, wherein the handle (05) is provided with a start switch (06).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810985118.2A CN109026781B (en) | 2018-08-28 | 2018-08-28 | Secondary safety hand-held electric fan |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810985118.2A CN109026781B (en) | 2018-08-28 | 2018-08-28 | Secondary safety hand-held electric fan |
Publications (2)
Publication Number | Publication Date |
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CN109026781A CN109026781A (en) | 2018-12-18 |
CN109026781B true CN109026781B (en) | 2023-09-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810985118.2A Active CN109026781B (en) | 2018-08-28 | 2018-08-28 | Secondary safety hand-held electric fan |
Country Status (1)
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CN (1) | CN109026781B (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5498134A (en) * | 1994-05-16 | 1996-03-12 | Ibekwe; Sam | Hand-held electric fan |
CN104653482A (en) * | 2013-11-18 | 2015-05-27 | 深圳市海洋王照明工程有限公司 | Fan |
CN105952686A (en) * | 2016-05-24 | 2016-09-21 | 湖北省风机厂有限公司 | Disassembly device, hub and fan |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7204463B2 (en) * | 2003-04-07 | 2007-04-17 | Ying Chi Cheng | Balancer device for hanging article |
US20080232964A1 (en) * | 2007-03-19 | 2008-09-25 | Lawrence Edward Thomasson | Daisy fan |
TWI424662B (en) * | 2010-10-29 | 2014-01-21 | Forcecon Technology Co Ltd | Cooling fan combination structure and its forming method |
-
2018
- 2018-08-28 CN CN201810985118.2A patent/CN109026781B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5498134A (en) * | 1994-05-16 | 1996-03-12 | Ibekwe; Sam | Hand-held electric fan |
CN104653482A (en) * | 2013-11-18 | 2015-05-27 | 深圳市海洋王照明工程有限公司 | Fan |
CN105952686A (en) * | 2016-05-24 | 2016-09-21 | 湖北省风机厂有限公司 | Disassembly device, hub and fan |
Also Published As
Publication number | Publication date |
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CN109026781A (en) | 2018-12-18 |
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