CN2065141U - Electromagnetic foot leaf-turning rack - Google Patents
Electromagnetic foot leaf-turning rack Download PDFInfo
- Publication number
- CN2065141U CN2065141U CN 88215014 CN88215014U CN2065141U CN 2065141 U CN2065141 U CN 2065141U CN 88215014 CN88215014 CN 88215014 CN 88215014 U CN88215014 U CN 88215014U CN 2065141 U CN2065141 U CN 2065141U
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- turning
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Abstract
The utility model relates to an electromagnetic foot leaf-turning device which is used for turning the leaves of books in bands, schools and households in daily work and life. The existing leaf-turning device generally adopts the method of turning the leaf by a spring, but the utility model uses electromagnetic foot leaf-turning. The utility model is mainly composed of a foot controlling electromagnet and a direct current electric motor which is made to got twice control by the electromagnet within turning a circle. A plectrum on a leading screw connected with the shaft of the electric motor is utilized to toggle a shifting fork on a circular cushion, making a small leaf-turning bar on the other side of the circular cushion and a leaf-clipping clip drive the leaf to be turned. The utility model can optionally turn a plurality of sheets of paper leaves forwards and backwards, and the disc face of the utility model can be optionally placed within 270 DEG. The practicability of the utility model is stronger.
Description
The utility model electromagnetic type foot-propelled Book turning frame is to be used for places such as band, school, family, in routine work and the life.
Past because will vacate the moving music score of a handspring during band performance, influences playing quality, and the teacher says class hour, hold chalk and turn over book, books can be made dirty.In the daily lecture, some wall charts, picture is bigger because of amplitude, and is moving inconvenient with handspring in the lecture.The laboratory record data, with handspring book or minute book inconvenience, and hand inconvenience for disabled persons etc.
Change and stir books and periodicals, the music score page has report with the custom of hand in the time of in recent years.As the page turner of Tokyo De Jin swamp sun-invention, (seeing world inventions 88.3 back covers), " reading machine for the blind " of HIT (seeing world inventions 1986.10), China's utility application 86201181 " music score automatic page turning device " etc.Front two days the present invention solves foot-propelled page turning problem, and what utility model invention of back China was adopted is foot control, frame for movement, and it can easily arbitrarily not turn over music score in front and back, and the scope of application is narrower.
The utility model electromagnetic type foot-propelled Book turning frame, purpose provides one and uses foot control system, electromagnetic structure, and the bookshelf card can be vertical, level, or other arbitrarily angled placement, book is arbitrarily turned in front and back, leaf through a book number more (about 200 pages), structure is simpler, noise is less, and practicality is stronger, novel foot-propelled Book turning frame applied widely.
The utility model purpose is to realize like this, divide and a dc motor with the resistance transfer part that two pairs of electromagnet of foot control system constitute, make dc motor in only circling, be subjected to electromagnet twice and partly control, the plectrum on the leading screw that passes through again to connect with dc motor is stirred the shift fork on side of garden pad, and drive another side turn over the book spillikin, thereby book or music score page are stirred, and this moment, also carried out necessary preparation for turning down one page book.
And oppositely turn over book, and principle is identical, and its difference only is that dc motor counter-rotation (the positive and negative reversal connection of motor power-supply wire is once) just can achieve the goal.
The present invention is characterized in that, A-frame 1. upper gear box 6. in, motor (11) connects turn-screw (12), plectrum (15) is stirred garden pad (30) upper shift fork (31) or (32), makes to turn over book spillikin (33) folder page or leaf clip (34), 8. go up in the bookshelf card, page turning backward forward has brake shoe (14) on the turn-screw (12), other is provided with the electromagnetism resistance changes shelves (21) (21 ').
The Book turning frame schematic diagram is seen
Sketch 1, the general structure simplified schematic diagram
Sketch 2(V to) card part sketch
Sketch 3(W to) the operation principle diagrammatic cross-sectional view
1. A-frame has 2. (2 ') 3. (3 ') of pedal on the bipod, under these four pedals identical electromagnet power supply switch and power supply of dc motor switch is arranged all.2. 4. 5. (5 ') (in sketch 1 3. the power switch under (3 ') pedal do not draw) of (4 ') and power supply of dc motor switch of electromagnet power supply switch arranged under (2 ') pedal.6. support top and transmission case 1. adopt active joint to connect, and 7. locked by bolt.It can make the bookshelf card 8. 6. rotate in 270 ° of angular regions together with transmission case, and active joint then can rotate in the sphere scope, to adapt to different angles card needs as making spherical the connection into.9. the 6. interior the right of transmission case has the dovetail groove base, 10. the top has the slide block that matches, dc motor (11) is housed again, turn-screw (12), transmission nut (13), turn-screw (12) is gone up the right brake shoe (14), and there is plectrum (15) on the left side, leading screw is bearing (16) foremost, cooperates with another dovetail groove slide block (17).It under the slide block dovetail groove base (18).(19) (19 ') (20) (20 ') are electromagnet, and (21) (21 ') are that retaining is changeed in resistance, (, do not draw in the sketch 1 so be blocked because of symmetric relation in (19 ') (20 ') (21 '), visible sketch 3).
Supporting bookshelf card bearing (22) (23) (24) (25) is 8. arranged above the transmission case, and 8. the bookshelf card is used than sheet iron and bearing jackshaft and is adopted general hinge for door and window (hingen button) form to cooperate, so it can be opened and can close, use keeping convenience.The bookshelf card has book clamp (26) (27) in order to clamping frame moccasin books on 8..(28) (29) book clamp is in order to clamping frame sclerderm books (seeing sketch 2).Bearing (22) and (23) jackshaft partly are covered with the planchet (30) of working good, and garden pad (30) is Yi Bian be shift fork (31) (32), and corresponding another side is to turn over book spillikin (33) and folder page or leaf clip (34).
8. the bookshelf card goes up the influence of turning over book spillikin (33) diameter and folder page or leaf clip (34) thickness in order to overcome, and has opened folder page or leaf clip groove
With turn over book spillikin groove
(seeing sketch 2), and turn over book spillikin (33) appropriate section and also will make the meander-shaped with regulation flexibility.(seeing sketch 1, D portion)
A folder page or leaf clip (34) adopt a general book clamp make improvements slightly then can, also can adopt board-like book clamp.(, recommending several the gizmos of not applying for a patent as yet one literary composition to introduce abroad) to medium-sized and small enterprises as 1986.12 phases of World Affairs.
Dc motor adopts the AC permanent magnet torque motor, routine 45Lz06-1 type, and its peak value stalling torque is 600g-cm, or general little wattage dc motor gets final product.
Electromagnet portion can adopt electromagnet to add coiling, also can adopt general wrought iron, but exciting power will suitably increase like this.
Transmission case part transmission process and turn over the book principle and see sketch 3.
If turn over book clockwise, the book that just turned over a page this moment, brake shoe (14) is hindered commentaries on classics retaining (21) and is blocked.Unclamp pedal (2 '), dc motor (11) is outage earlier, loses the ability of remaining in operation.Electromagnet (19) (20) outage then, resistance are changeed retaining (21) and are withdrawn under spring action, but because brake shoe (14), plectrum (15) shortage in weight so that on the motor reel leading screw (12) rotate, and move forward, they still may be parked on the origin-location.
To continue to turn down one page book now.Step on earlier pedal 2., at this moment the coil electricity in the opposite side electromagnet (19 ') (20), inhaling iron (35 ') (36 ') is inhaled, resistance is changeed retaining (21 ') and is stretched out, then by step on be dc motor (11) power switch 5., dc motor (11) rotates, brake shoe (14) is changeed by resistance in less than the rotation of half-turn and keeps off (21 ') spline, plectrum this moment (15) does not turn over book, just prepares for turning over book.Lift pedal 2., motor (11) is outage earlier, loses running ability, electromagnet (19 ') (20 ') outage then.Retaining (21 ') withdrawal is changeed in resistance, and plectrum (15) brake shoe (14) has been parked in new position.
Step on pedal (2 ') then, electromagnet coil (19) (20) is connected power supply earlier, (21) resistance commentaries on classics retaining stretches out, step on pedal 2. under continuing, dc motor (11) energising, leading screw (12) is being with plectrum (15) brake shoe (14) to rotate, the shift fork (31) that plectrum (15) is stirred planchet (30) one sides rotates, another rollover book spillikin (33) of garden pad (30) and folder page or leaf clip (34) drive page and stir, (31) shift fork arrives first the position of first, plectrum this moment (15) breaks away from shift fork (31), page drops to bookshelf card another side 8. at inertia and self gravitation effect, shift fork (31) has at this moment finally arrived the position of second, and shift fork (32) has also arrived the position of opposite side third.
See that again brake shoe (14) is also just blocked by resistance commentaries on classics retaining (21) this moment.Lift pin, motor (11) and electromagnet (19) (20) be outage successively, and retaining (21) withdrawal is changeed in resistance, and plectrum (15), brake shoe (14) is just in time got back to initial position, but has at this moment all finished one page book task of turning over.And the fixing helical pitch of also having passed by in transmission nut (13) leading screw (12) is at this moment got ready for turning down one page.
Oppositely page turning counterclockwise, whole process is identical with clockwise process, 3. difference only is to use (3 ') pedal and dc motor both positive and negative polarity to want reversal connection, makes its inverted running.Electromagnet also will start (19) (20) earlier prepares, the back starts (19 ') (20 ') page turning, has so just reached oppositely to turn over bibliography.
This utility model Book turning frame is in order to reduce noise, can hit partly and the bookshelf card adopts glissando on 8. having to impact, the bookshelf card is stained with platform on 8., brake shoe (14), will be with rubber or flexible plastic sleeve on plectrum (15) and a plurality of shift fork, resistance is changeed retaining (21) (21 ') and is used reinforced plastics etc.
8. the bookshelf card goes up the double dot dash line groove in the sketch 2
Be the imagination folder page or leaf clip (34) and turn over book spillikin (33) groove, as, the applicable books that vary in size of Book turning frame, turning over book spillikin (33) can shorten, 8. the bookshelf card can dwindle, so compacter.But institute's leaf through a book can reduce to some extent.
Claims (3)
1, the present invention of electromagnetic type foot-propelled Book turning frame is characterized in that, A-frame 1. upper gear box 6. in, motor (11) connects turn-screw (12), plectrum (15) is stirred garden pad (30) upper shift fork (31) or (32), makes to turn over book spillikin (33) folder page or leaf clip (34), 8. go up in the bookshelf card, page turning backward forward has brake shoe (14) on the turn-screw (12), other is provided with resistance changes shelves (21) (21 ').
According to the described device of claim 1, it is characterized in that 2, being provided with two resistances changes shelves (21) (21 '), control motor (11) is gone up brake shoe (14).
According to the described device of claim 1, it is characterized in that 3, turn over the meander-shaped that book spillikin (33) has the regulation flexibility, 8. card has relative groove
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88215014 CN2065141U (en) | 1988-10-14 | 1988-10-14 | Electromagnetic foot leaf-turning rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88215014 CN2065141U (en) | 1988-10-14 | 1988-10-14 | Electromagnetic foot leaf-turning rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2065141U true CN2065141U (en) | 1990-11-07 |
Family
ID=4847877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88215014 Pending CN2065141U (en) | 1988-10-14 | 1988-10-14 | Electromagnetic foot leaf-turning rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2065141U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975514A (en) * | 2012-12-20 | 2013-03-20 | 张中刚 | Electronic foot-operated page turner |
| CN105644185A (en) * | 2015-04-03 | 2016-06-08 | 青岛惠运办公科技集团股份有限公司 | External page turning mechanism and page turning mechanism operation method |
| CN106427276A (en) * | 2016-10-26 | 2017-02-22 | 广西大学 | Automatic page turning device |
-
1988
- 1988-10-14 CN CN 88215014 patent/CN2065141U/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975514A (en) * | 2012-12-20 | 2013-03-20 | 张中刚 | Electronic foot-operated page turner |
| CN102975514B (en) * | 2012-12-20 | 2015-08-05 | 张中刚 | A kind of electronics foot-actuated page turner |
| CN105644185A (en) * | 2015-04-03 | 2016-06-08 | 青岛惠运办公科技集团股份有限公司 | External page turning mechanism and page turning mechanism operation method |
| CN106427276A (en) * | 2016-10-26 | 2017-02-22 | 广西大学 | Automatic page turning device |
| CN106427276B (en) * | 2016-10-26 | 2018-02-06 | 广西大学 | A kind of automatic page turner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| AD01 | Patent right deemed abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |