CN110444231A - A kind of magnetoresistive head of separate type magnetic head structure - Google Patents
A kind of magnetoresistive head of separate type magnetic head structure Download PDFInfo
- Publication number
- CN110444231A CN110444231A CN201910780402.0A CN201910780402A CN110444231A CN 110444231 A CN110444231 A CN 110444231A CN 201910780402 A CN201910780402 A CN 201910780402A CN 110444231 A CN110444231 A CN 110444231A
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- China
- Prior art keywords
- head
- disk
- working
- scraping blade
- working head
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Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Supporting Of Heads In Record-Carrier Devices (AREA)
Abstract
The present invention relates to magnetoresistive head technical fields, and disclose a kind of magnetoresistive head of separate type magnetic head structure, including main shaft, the outside of the main shaft connects multiple disks, and the upper and lower surface of disk is connected with working head, the upper end of working head is connected with head arm, the other end of head arm is connected with head hold, and the side of working head is connected with scraping blade, and scraping blade is internally connected with gear, the lower end of gear is connected with bracket, and working head is connected with arc resistance in the side close to disk.Pass through the head arm angle certain as head actuator rotates, metal ball on head arm is slided in arc resistance, driving device sliding tooth wheel rotates certain angle, driving gear is engaged with tooth row, pass through arc key and sliding slot cooperation and working head relative motion, on the one hand this structure ensure that working head is not scratched, be easy to happen collision when on the other hand also ensuring the critical zone in working head in disk.
Description
Technical field
The present invention relates to magnetoresistive head technical field, specially a kind of magnetoresistive head of separate type magnetic head structure.
Background technique
Magnetoresistive head technology MR, that is, magnetoresistive head abbreviation.MR technology can be with higher physical record density and record number
According to, thus increase hard-disk capacity, raising data throughput.The working principle of magnetoresistive head is based on magnetoresistance come work,
Its core is a small pieces metal material, and resistance changes with changes of magnetic field, although its change rate less than 2%, because of magnetic resistance
Element is ined succession a very sensitive amplifier, so the small resistance variations can be measured.MR technology can be such that hard-disk capacity mentions
It is high by 40% or more, to substantially increase the throughput of magnetoresistive head and reduce the volume of hard disk.
Magnetic head is used cooperatively with magnetic railings ruler, and rain reads the information stored on magnetic railings ruler, but due to reading information
Demand, do not allow larger and variable gap between magnetic head and magnetic railings ruler, so the surface of magnetic head and magnetic railings ruler is fragile
Rapid wear, in magnetic head and magnetic railings ruler relative motion, impurity is easy to scratch the surface of magnetic head and magnetic railings ruler, and existing anti-scratch
Device or cleanup area are small or be that cleanup area is big but volume is larger, are easy to collide with other devices, in order to solve
We have proposed a kind of magnetoresistive heads of separate type magnetic head structure for problem above.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of magnetoresistive head of separate type magnetic head structure, having is prevented
Magnetic head and magnetic railings ruler scratch, cleanup area is big and can ultromotivity the advantages of adjusting, solve impurity in existing magnetic-head apparatus and make
Magnetic head and the problem that magnetic railings ruler scratches, practical function is low.
(2) technical solution
For realize it is above-mentioned prevent magnetic head and magnetic railings ruler from scratching, cleanup area is big and can the purpose that adjusts of ultromotivity, the present invention
Provide the following technical solutions: a kind of magnetoresistive head of separate type magnetic head structure, including main shaft, the outside of the main shaft are fixed
Multiple disks are connected, disk is provided with sector in the region close to main shaft, and the upper and lower surface of disk slidably connects work magnetic
Head, the upper end of working head are fixedly connected with head arm, and the other end of head arm is fixedly connected with head hold, the inside of head hold
It is rotatably connected to head actuator, the side of working head slidably connects scraping blade, and the inside engagement of scraping blade is connected with gear, gear
Lower end be fixedly connected with bracket, working head slidably connects arc resistance in the side close to disk.
Preferably, the side that the working head slides in scraping blade is fixedly connected with arc key, and arc key, which ensure that, to be scraped
Piece is in working head Stable sliding.
Preferably, the head arm is fixedly connected with metal ball in the side close to disk, and metal ball is sliding in arc resistance
It is dynamic, angle is changed by head actuator and changes arc resistance indirectly, to control the rotation of driving device sliding tooth wheel.
Preferably, the inside of the scraping blade offers rectangular channel, the inside of scraping blade and the fixed company in surface in rectangular channel
It is connected to tooth row, the inside of scraping blade and offers sliding slot with the side of working head sliding.
Preferably, for the working head in the critical localisation in disk, head arm is respectively in the left end of scraping blade and right end.
Preferably, the tooth row and gear have adaptable teeth, to reduce its abrasion and transmission vibration.
Preferably, the shape of the arc resistance is with head actuator for circular arc resistance, and so magnetic head turns
The directly proportional variation of resistance of the angle and arc resistance of axis rotation.
Preferably, there are gaps between the working head and disk.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of magnetoresistive heads of separate type magnetic head structure, have following beneficial
Effect:
The magnetoresistive head of the separate type magnetic head structure is moved to suitable distance in disk by head actuator, at this time magnetic
The head arm angle certain as head actuator rotates, the metal ball on head arm are slided in arc resistance, it is known that working head exists
The angle of maximum rotation angle on disk, arc resistance is equal with maximum rotation angle, so the angle of head actuator rotation
Degree is equal to the angle that metal ball is slided in arc resistance, can pass through driving device sliding tooth according to the resistance variations of arc resistance
Wheel rotates certain angle, and driving gear is engaged with tooth row, and by arc key and sliding slot cooperates and working head relative motion, this
One structure on the one hand ensure that working head is not scratched, on the other hand also ensure working head at the critical zone of disk,
Scraping blade abuts the side of working head, and the side of scraping blade and head arm is to it, to avoid scraping blade convex in the two sides of working head
Distance is excessive out, collision is easy to happen at critical zone of the working head in disk, and cleanup area is larger, to solve
The problem that impurity makes magnetic head in existing magnetic-head apparatus and magnetic railings ruler scratches, practical function is low.
Detailed description of the invention
Fig. 1 is overall structure stereogram of the present invention；
Fig. 2 is overall structure top view of the present invention；
Fig. 3 is working head dependency structure top view of the present invention；
Fig. 4 is scraping blade Facad structure cross-sectional view of the present invention；
Fig. 5 is working head side structure cross-sectional view of the present invention；
Fig. 6 is procedure chart of the working head of the present invention in critical localisation
Fig. 7 is head arm of the present invention and arc resistance position relation schematic diagram
Fig. 8 is head arm schematic view of the front view of the present invention.
In figure: 1 main shaft, 2 disks, 3 sectors, 4 working heads, 401 arc keys, 5 head arms, 501 metal balls, 6 magnetic heads
Frame, 7 head actuators, 8 scraping blades, 801 rectangular channels, 802 tooth rows, 803 sliding slots, 9 gears, 10 brackets, 11 arc resistance.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-8, a kind of magnetoresistive head of separate type magnetic head structure, including main shaft 1 are please referred to, the outside of main shaft 1 is solid
Surely multiple disks 2 are connected, disk 2 is provided with sector 3 in the region close to main shaft 1, and the upper and lower surface of disk 2 slidably connects
Working head 4, the side that working head 4 slides in scraping blade 8 are fixedly connected with arc key 401, and arc key 401 ensure that scraping blade
8 in 4 Stable sliding of working head.The upper end of working head 4 is fixedly connected with head arm 5, and the other end of head arm 5 is fixedly connected
There is head hold 6, the inner rotation of head hold 6 is connected with head actuator 7, and the side of working head 4 slidably connects scraping blade 8, scrapes
The inside of piece 8 offers rectangular channel 801, the inside of scraping blade 8 and surface is fixedly connected with tooth row 802 in rectangular channel 801, scrapes
The inside of the piece 8 and side slided with working head 4 offers sliding slot 803, working head 4 in the critical localisation of disk 2,
Head arm 5 left end in scraping blade 8 and right end respectively.
The inside engagement of scraping blade 8 is connected with gear 9, and tooth row 802 and gear 9 have adaptable teeth, to reduce it
Abrasion and transmission vibration.The lower end of gear 9 is fixedly connected with bracket 10, and working head 4 connects in the Slideslip close to disk 2
It is connected to arc resistance 11, head arm 5 is fixedly connected with metal ball 501 in the side close to disk 2, and metal ball 501 is in arc electricity
11 sliding of resistance, changes angle by head actuator 7 and changes arc resistance 11 indirectly, so that controlling driving device drives 9 turns of gear
Dynamic, the shape of arc resistance 11 is with head actuator 7 for circular arc resistance, the angle that so head actuator 7 rotates
Variation directly proportional with the resistance of arc resistance 11, the shape of arc resistance 11 are with head actuator 7 for circular arc resistance, this
Sample one carrys out the directly proportional variation of resistance of the angle and arc resistance 11 of the rotation of head actuator 7, and working head 4 is critical disk 2
When position, metal ball 501 is respectively in the left end and right end of arc resistance 11.
Working principle: the magnetoresistive head of the separate type magnetic head structure, as shown in figure 4, working head 4 is scraped in order to prevent
Wound is provided with scraping blade 8 in the outside of working head 4, scraping blade 8 on disk 2 dust and other solid particles strike off, In
When work, according to the selection of reading speed, suitable distance is moved in disk 2 by head actuator 7, at this time head arm 5 with
Head actuator 7 rotate certain angle, the metal ball 501 on head arm 5 arc resistance 11 slide, it is known that working head 4
The angle of maximum rotation angle on disk 2, arc resistance 11 is equal with maximum rotation angle, so 7 turns of head actuator
Dynamic angle is equal to the angle that metal ball 501 is slided in arc resistance 11, can be passed through according to the resistance variations of arc resistance 11
Driving device driving gear 9 rotates certain angle, and driving gear 9 is engaged with tooth row 802, passes through arc key 401 and sliding slot 803
Cooperation and 4 relative motion of working head, when outermost end of the working head 4 in disk 2, scraping blade 8 and working head 4 are in disk 2
Lateral ends fitting, when innermost end of the working head 4 in disk 2, the inner opposite end of scraping blade 8 and working head 4 in disk 2
On the one hand fitting, this structure ensure that working head 4 is not scratched, on the other hand also ensure working head 4 in disk 2
When critical zone, scraping blade 8 abuts the side of working head 4, and scraping blade 8 is aligned with the side of head arm 5, to avoid scraping blade 8 in work
The two sides protrusion distance for making magnetic head 4 is excessive, is easy to happen collision when working head 4 is in the critical zone of disk 2.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of magnetoresistive head of separate type magnetic head structure, including main shaft (1), it is characterised in that: outside the main shaft (1)
Side is fixedly connected with disk (2), and disk (2) is provided with sector (3) in the region close to main shaft (1), the upper following table of disk (2)
Face slidably connects working head (4), is fixedly connected on the outside of working head (4) head arm (5), a left side for head arm (5)
End is fixedly connected with head hold (6), and the inner rotation of head hold (6) is connected with head actuator (7), the side of working head (4)
It slidably connects scraping blade (8), the inside engagement of scraping blade (8) is connected with gear (9), and the lower end of gear (9) is fixedly connected with branch
Frame (10), working head (4) slidably connect arc resistance (11) in the side close to disk (2).
2. a kind of magnetoresistive head of separate type magnetic head structure according to claim 1, it is characterised in that: the working head
(4) side slided in scraping blade (8) is fixedly connected with arc key (401).
3. a kind of magnetoresistive head of separate type magnetic head structure according to claim 1, it is characterised in that: the head arm
(5) metal ball (501) are fixedly connected in the side close to disk (2).
4. a kind of magnetoresistive head of separate type magnetic head structure according to claim 1, it is characterised in that: the scraping blade (8)
Inside offer rectangular channel (801), the inside of scraping blade (8) and be fixedly connected with tooth row on rectangular channel (801) inner surface
(802), the inside of scraping blade (8) and with working head (4) sliding side offer sliding slot (803).
5. a kind of magnetoresistive head of separate type magnetic head structure according to claim 1, it is characterised in that: the working head
(4) in the critical localisation of disk (2), head arm (5) left end in scraping blade (8) and right end respectively.
6. a kind of magnetoresistive head of separate type magnetic head structure according to claim 1, it is characterised in that: the tooth row
(802) teeth being adapted with gear (9) are provided on.
7. a kind of magnetoresistive head of separate type magnetic head structure according to claim 1, it is characterised in that: the arc resistance
(11) shape is with head actuator (7) for circular arc resistance.
8. a kind of magnetoresistive head of separate type magnetic head structure according to claim 1, it is characterised in that: the working head
(4) there are gaps between disk (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910780402.0A CN110444231B (en) | 2019-08-22 | 2019-08-22 | Magnetic resistance magnetic head of separated magnetic head structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910780402.0A CN110444231B (en) | 2019-08-22 | 2019-08-22 | Magnetic resistance magnetic head of separated magnetic head structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110444231A true CN110444231A (en) | 2019-11-12 |
| CN110444231B CN110444231B (en) | 2020-12-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910780402.0A Active CN110444231B (en) | 2019-08-22 | 2019-08-22 | Magnetic resistance magnetic head of separated magnetic head structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110444231B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111863037A (en) * | 2020-07-28 | 2020-10-30 | 粤融(广州)科技有限公司 | Computer cavity device for avoiding impact sound caused by abnormality during displacement |
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| CN1066141A (en) * | 1991-04-25 | 1992-11-11 | 阿鲁普斯电气株式会社 | Flying head |
| CN1115068A (en) * | 1994-04-01 | 1996-01-17 | 国际商业机器公司 | Actuator and file level initialization of magnetor esistive transducers |
| CN1294733A (en) * | 1999-02-15 | 2001-05-09 | 松下电器产业株式会社 | Method for controlling bias current for magnetoresistive head, fixed magnetic recording device, and magnetic disc therefor |
| US20020126421A1 (en) * | 2001-03-08 | 2002-09-12 | Hitachi, Ltd. | Lapping apparatus, magnetic head and method of manufacturing the same |
| US20030074784A1 (en) * | 1999-10-29 | 2003-04-24 | Yoshiyuki Konishi | Method of forming protective film on magnetic head |
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| CN204018254U (en) * | 2014-06-17 | 2014-12-17 | 北京凯润达精密仪器有限公司 | Magnetic railings ruler device magnetic head protecting jacket structure |
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2019
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| US20030074784A1 (en) * | 1999-10-29 | 2003-04-24 | Yoshiyuki Konishi | Method of forming protective film on magnetic head |
| US20020126421A1 (en) * | 2001-03-08 | 2002-09-12 | Hitachi, Ltd. | Lapping apparatus, magnetic head and method of manufacturing the same |
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| US20080186020A1 (en) * | 2007-02-02 | 2008-08-07 | Showa Denko K.K. | Testing apparatus for magnetic recording medium and testing method for magnetic recording medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111863037A (en) * | 2020-07-28 | 2020-10-30 | 粤融(广州)科技有限公司 | Computer cavity device for avoiding impact sound caused by abnormality during displacement |
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| Publication number | Publication date |
|---|---|
| CN110444231B (en) | 2020-12-22 |
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Effective date of registration: 20201201 Address after: No. 188, Shengxing Road, Wangdian Town, Xiuzhou District, Jiaxing City, Zhejiang Province Applicant after: SUNYA OPTOELECTRONIC Co.,Ltd. Address before: Room 503, No. 677, Enbo Avenue, Fuchun street, Fuyang District, Hangzhou City, Zhejiang Province (trusteeship 111) Applicant before: Hangzhou Qinyu Intelligent Technology Co.,Ltd. |
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