CN1442846A - Magnetic head - Google Patents
Magnetic head Download PDFInfo
- Publication number
- CN1442846A CN1442846A CN03106817A CN03106817A CN1442846A CN 1442846 A CN1442846 A CN 1442846A CN 03106817 A CN03106817 A CN 03106817A CN 03106817 A CN03106817 A CN 03106817A CN 1442846 A CN1442846 A CN 1442846A
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- magnetic head
- coil
- terminal
- coil former
- hole
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/10—Road Vehicles
- B60Y2200/14—Trucks; Load vehicles, Busses
- B60Y2200/143—Busses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/30—Sensors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetic Heads (AREA)
Abstract
A magnetic head is provided with a bobbin 13 on which a coil 18 is wound, a terminal 16 formed integrally with the bobbin 13 and made conductive to the coil 18, and a lead wire 20 for connecting the terminal 16 to the outside. A hole 13a is formed in the bobbin 13, the tip of the terminal 16 is inserted into the hole 13a and, by inserting a connection section 21 disposed on the tip of the lead wire 20 into the hole 13a, the connector section 21 and the terminal 16 are fitted together. The invention provided a magnetic head wherein no socket is necessary for a main substrate, connection is inexpensively made to the main substrate, and the main substrate is miniaturized.
Description
Technical field
The present invention relates to a kind of magnetic head, particularly the electric connection structure of magnetic head.
Background technology
Just be illustrated with reference to Figure 16, Figure 17 as the existing magnetic head that is installed in the full erase head in the general VTR device (to call " device " in the following text) etc.
A plurality of parts formations that the magnetic head portion 32 of magnetic head 31 forms by preceding magnetic core, coil former (not drawing among the figure) and with this coil former all-in-one-piece splicing ear 34, back magnetic core (not drawing among the figure) etc.This magnetic head portion 32 that is made from multiple components, be fixed in the shell 35 and expose before the tape sliding contact surface 33a that forms through grinding of magnetic core 33.
The coil former that constitutes the part of described magnetic head portion 32 is made by resin material, forms vertically long approximate rectangularly, and at one end forms and is wound with coil of conductive wire.In addition, below coil former, a pair of splicing ear 34,34 that is similar to L word shape with the coil former all-in-one-piece is housed with burying shaping or plunging etc. underground.
As shown in figure 17, above-mentioned splicing ear 34 is that tetragonal elongated metal material constitutes by section, have an end 34a extending from coil former below and from the coil former middle part laterally (illustrated left to) draw the other end 34b.
The above-mentioned coil former that winds coil that is contained in the shell 35, the other end 34b of the end of the lead that coiling is used and splicing ear 34 are finished with soldering etc. and are electrically connected.
Below above-mentioned shell 35, be formed with erecting frame 35a highlightedly along level (horizontal stroke) direction.Face down at this erecting frame 35a following and to be formed with as shown in figure 16 register pin 35b highlightedly.
Below the diagram of above-mentioned erecting frame 35a, prolong shell in the direction identical with the bearing of trend of an end 34a of splicing ear 34, form terminal maintaining part 36 in order to the activity of the end 34a that places restrictions on splicing ear 34.
As the above-mentioned magnetic head that constitutes 31, be configured on the support of rotary head drum that VTR device (not drawing among a figure) side for example is housed or magnetic band transporting system, be wrapped in the tape (not drawing among the figure) in the tape cassete (not drawing among the figure), load to shelve the state on rotary head drum through tape, the upstream side of tape is contacted with tape sliding contact surface 33a.
When this tape and tape sliding contact surface 33a are in contact condition, the total data that magnetic head 31 writes down on can erasure tape according to selected function.
Illustrate with Figure 17 to be contained in this magnetic head 31 on the support 37 in the device, the register pin 35b of magnetic head 31 usefulness erecting frame 35a and support 37 location, and be fixed on the support 37 by screw (not drawing among the figure) etc.Below support 37, be equipped with mainboard 38, base (socket) portion 39 is installed on mainboard 38.
Be built-in with connector (not drawing among the figure) in this base portion 39, when having inserted an end 34a of splicing ear 34 in this connector, connector is electrically connected with splicing ear 34.
Like this, this magnetic head 31 needs only and is electrically connected just finishing with mainboard 38 in an end 34a of the splicing ear 34 insertion base portion 39, thereby makes simple for assembly processization.
But this magnetic head 31 is indispensable to be base portion 39 and connector on the mainboard 38.This connector so cost an arm and a leg, has influenced the reduction of whole cost for this magnetic head 31 is special.
In addition, this base portion 39 not only need account for the very large space on the mainboard 38, and the position of base portion 39 on mainboard 38 will be decided by the position of magnetic head 31, thereby has influenced the degree of freedom of design need make mainboard 38 miniaturizations in order to make equipment miniaturization the time.
Summary of the invention
The present invention will address this problem, and its purpose is to provide a kind of and mainboard ease of connection and is convenient to make the magnetic head of mainboard miniaturization.
As the means that solve above-mentioned problem, one of the present invention's magnetic head, comprise: be wound with the coil former of coil, integrally formed and be connected to outside lead-in wire with the terminal of described coil conducting and with described terminal with described coil former, on described coil former, form the hole, and the front end of described terminal inserted in the described hole, the connector portion of the front end by will being located at described lead-in wire inserts and makes described connector portion and described terminal chimeric in the described hole.
By this structure, only need connector portion is inserted in the hole of coil former, just finished being electrically connected of lead-in wire and lead terminal, can link to each other with mainboard by lead-in wire, thereby, be easy to be connected with mainboard, in addition, because the position of the link that goes between on mainboard is not fixed, and can freely be provided with, and makes the mainboard miniaturization Design easier yet.In addition, so because of not needing connector component such as base cheap.
In addition, the present invention's two magnetic head, comprise: be wound with the coil former of coil, integrally formed and with the terminal of described coil conducting, described terminal is connected to the outside lead-in wire and the shell of the described coil former of folding and unfolding with described coil former, on described coil former, form the hole, and the front end of described terminal inserted in the described hole, the connector portion of the front end by will being located at described lead-in wire inserts and makes described connector portion and described terminal chimeric in the described hole.
By this structure, only need connector portion is inserted in the hole of shell, just finished being electrically connected of lead-in wire and terminal, can link to each other with mainboard by lead-in wire, thereby, be easy to be connected with mainboard, in addition, because the position of the link that goes between on mainboard is not fixed, and can freely be provided with, and makes the mainboard miniaturization Design easier yet.In addition, so because of not needing connector component such as base cheap.
The present invention's three magnetic head, comprise: be wound with the coil former of coil, integrally formed and be connected to outside lead-in wire with the terminal of described coil conducting and with described terminal with described coil former, on described coil former, form the hole, and the front end of described terminal inserted in the described hole, make the described terminal of insertion keep elasticity, insert in the described hole described lead-in wire and described terminal flexible fastening by front end with described lead-in wire.
By this structure, only need the front end of lead-in wire is inserted in the hole of coil former, just finished being electrically connected of lead-in wire and lead terminal, can link to each other with mainboard by lead-in wire, thereby, be easy to be connected with mainboard, in addition, because the position of the link that goes between on mainboard is not fixed, and can freely be provided with, and makes the mainboard miniaturization Design easier yet.In addition, so do not need to go between parts thereby cheapness in addition because of the lead-in wire and the terminal of magnetic head directly are connected.
The present invention's four magnetic head, comprise: be wound with the coil former of coil, integrally formed and with the terminal of described coil conducting, described terminal is connected to the outside lead-in wire and the shell of the described coil former of folding and unfolding with described coil former, described shell has through hole, the terminal that is housed in the described coil former in the described shell is inserted in the described through hole, and make the described terminal of insertion keep elasticity, insert in the described through hole described lead-in wire and described terminal flexible fastening by front end described lead-in wire.
By this structure, only need the front end of lead-in wire is inserted in the through hole of shell, just finished being electrically connected of lead-in wire and lead terminal, can link to each other with mainboard by lead-in wire, thereby, be easy to be connected with mainboard, in addition, because the position of the link that goes between on mainboard is not fixed, and can freely be provided with, and makes the mainboard miniaturization Design easier yet.
In addition, the present invention's five magnetic head comprises: be wound with the coil former of coil and the shell of described coil former of folding and unfolding and magnetic core, in the lip portions of described coil former jut be set, the localized immobilization that makes described coil prolongs described overhang and it is derived outside at described jut.
By this formation, just do not need special splicing ear on the coil former.In addition, because end turn is extended down to the outside of shell outward, be easy to so can be connected with the outside.
In addition, the present invention's six magnetic head comprises: be wound with the coil former of coil and the shell of described coil former of folding and unfolding and magnetic core, at described shell jut be set, the localized immobilization that makes described coil prolongs described overhang and it is derived outside at described jut.
By this formation, just do not need special splicing ear on the coil former.In addition, because end turn is extended down to the outside of shell outward, be easy to so can be connected with the outside.
In addition, preferably with described overhang, and described jut between folding bunchy.
By this formation, even the line of coil is very thin, also can the holding coil end and jut between intensity.
In addition, also the local welding of described coil can be made its conducting on described jut.
By this formation, when magnetic head is tested because can be the terminal of jut as check usefulness, institute so that check not only soon but also accurate.
In addition, described jut is made of conductive metallic material, can makes conducting more accurate like this, reduce resistance.
In addition, also described overhang directly can be welded on the external circuit substrate.
By such structure, only need need hardly on the external circuit substrate the space just passable with tie point end turn position.And because of the tie point of this end turn, do not have what constraint on the position, can freely be provided with, therefore, the design of the external circuit board miniaturization is very simple.In addition, externally do not need base on the circuit substrate.Whether there is base all can connect.
Description of drawings
Fig. 1 is the exploded perspective view of expression magnetic head of the present invention.
Fig. 2 is the part sectioned view of side of the magnetic head of expression first embodiment of the present invention.
Fig. 3 is the figure of method of attachment of the magnetic head lead-in wire of explanation first embodiment of the invention.
Fig. 4 is the figure of method of attachment of the magnetic head lead-in wire of explanation first embodiment of the invention.
To be expression be installed in sketch map on the support in the device with magnetic head of the present invention to Fig. 5.
Fig. 6 is the side part sectioned view of magnetic head of the variation of expression first embodiment of the present invention.
Fig. 7 is the side part sectioned view of the magnetic head of expression second embodiment of the present invention.
Fig. 8 is the side part sectioned view of the magnetic head of expression the 3rd embodiment of the present invention.
Fig. 9 is the exploded perspective view of expression magnetic head of the present invention.
To be expression be installed in sketch map on the support in the device with magnetic head of the present invention to Figure 10.
Figure 11 is the exploded perspective view of other embodiments of expression magnetic head of the present invention.
Figure 12 is the exploded perspective view of other embodiments of expression magnetic head of the present invention.
Figure 13 is the exploded perspective view of other embodiments of expression magnetic head of the present invention.
Figure 14 is the outboard profile of other embodiments of expression magnetic head of the present invention.
Figure 15 is the key diagram that the magnetic tape recorder-reproducer of magnetic head of the present invention is used in explanation.
Figure 16 is the front view of existing magnetic head.
Figure 17 is installed in sketch map on the support of device the inside with existing magnetic head.
Among the figure: the 11-shell; Magnetic core before the 12-; The 13-coil former; Hole on the 13a-coil former; Magnetic core behind the 14-; The 15-compressing member; The 16-terminal; The 17-through hole; The 18-coil; The 20-lead-in wire; The 21-connector; The 22-support; The 23-mainboard.
Embodiment
With reference to Fig. 1～Fig. 8 magnetic head of the present invention is illustrated.
At first, the magnetic head of first embodiment of the invention is illustrated with Fig. 1～Fig. 8, and Fig. 1 is an exploded perspective view.Magnetic head 10 is made of a plurality of parts of being adorned in the shell 11.
Shell 11 is Integratively formed with synthetic resin such as polyacetal, and inner preceding magnetic core 12, coil former 13, back magnetic core 14 and compressing member 15 are packed in order, form hollow form.
The front end face of shell 11, the medium sliding contact surface that the tape sliding contact surface of corresponding front by preceding magnetic core 12 constitutes and constitute curved surface.Be formed with 2 open slots 17,17 in the above, from outstanding upward two lead terminals 16,16 of coil former 13, can with above-mentioned before in the equidirectional insertion open slot 17,17 of direction of insertion of magnetic core 12.
Preceding magnetic core 12, central authorities have slit 12a, and it gives earlier and making as finished product.
Coil former 13 is Integratively formed with synthetic resin, is roughly rectangle, partly is wound with coil 18 in square tube.There is the horizontal component of the terminal 16,16 of two L fonts rearward to insert at the top of coil former 13 and fixing.Two the end of a thread of above-mentioned coil 18 are connected with methods such as solderings with the horizontal component of lead terminal 16 respectively.
In addition, shown in the side part sectioned view of Fig. 2, around the horizontal component of each lead terminal 16 in coil former 13, form hole 13a, form jut 13b in the porch of this hole 13a.
Back magnetic core 14 has a pair of the place ahead magnetic boots 14a, and 14a and section are the コ font, the place ahead magnetic boots 14a, inserts in the coil 18 of coil former 13, simultaneously, the place ahead end face of each the place ahead magnetic boots 14a is engaged with the rear end face of preceding magnetic core.
Compressing member 15 is to be made by punch process with sheet metal, and it has the elastic component 15a that back magnetic core 14, coil former 13 and preceding magnetic core 12 are compressed forward.By with four mosaic process 15b be located at chimeric installation of embedded hole 19 elasticity of shell 11 sides.
Shown in Figure 3 is the electrically connected method of the magnetic head 10 of this formation of explanation.At the front end of the lead-in wire 20 that is used for drawing, the connector of being made by conductor 21 is housed to the outside.
The front end 21a of this connector 21 makes hollow form, so that the insertion of terminal 16 in addition, is provided with jut 21b to the centre slightly from front end 21a.
When among the hole 13a that this connector 21 is inserted on coil formers 13, as shown in Figure 4, the middle vacancy that terminal 16 inserts connectors 21 front end 21a.
The purpose that hole 13a is set is the gathering sill when inserting as connector 21, improves operability.
And the jut 13b in the jut 21b by connector 21 and the hole 13a of coil former 13 is chimeric, can prevent to come off, and lead-in wire 20 and terminal 16 are finished electrical connection by connector 21.
Make assembly operation become simple and easy like this.Be easy to just can be connected with mainboard.
According to Fig. 5 explanation this magnetic head 10 is installed in situation on the support 22 in the device.Magnetic head 10 usefulness screws (not drawing among the figure) etc. are fixed on the support 22.Below support 22, set mainboard 23, on mainboard 23, be provided with two connecting portions 24 that are used to connect lead-in wire 20.
These two connecting portions 24 take up space on mainboard 23 hardly, and, can be configured on the mainboard 23 Anywhere, and can two separate configuration.Therefore, can arrange freely during design.
And when welding with scolding tin handle lead-in wire 20 and connecting portion 24, then mainboard 23 just is electrically connected with terminal 16.
In addition, also can on mainboard 23, be provided as the connecting portion 24 of connector and 20 be connected with lead-in wire.At this moment, though the position of connector just must be arranged,, can carry out the design freedom of mainboard 23 on mainboard 23 by the degree of freedom of lead-in wire 20.
In addition, as a variation.As shown in Figure 6, substitute the hole 13a and the jut 13b of coil former 13, also hole 11a and jut 11b can be set on shell 11, make shell 11 and connector 21 chimeric.
Below, with Fig. 7 magnetic head 10 in second embodiment of the present invention is described.In second embodiment, owing to identical structure is arranged, indicate same symbol again with first embodiment, its detailed description has been omitted.
Fig. 7 is the side part sectioned view of the magnetic head 10 of second embodiment of the present invention, is with magnetic head 10 differences of first embodiment of the present invention, forms porose on the top of coil former 13.Become compressing member at this hole inner terminal 16.In the present embodiment, terminal 16 bendings are shapes such as " く " font or " レ " font.
In addition, on shell 11, open hole 17 on the position of corresponding terminal 16.When the through hole 17 that passes on the shell 11, when the lead-in wire 20 that will expose the front end conductor inserted in the hole of coil formers 13, the conductor part of 20 front ends that go between was subjected to crooked terminal 16 and presses and fix, and go between 20 and 16 of terminals be electrical connection.
The installation method of support 22 in this magnetic head and the device is the same with Fig. 5 of first embodiment.
The magnetic head of second embodiment is compared with the magnetic head of first embodiment, does not need connector 21, and cost can be even lower.
The magnetic head 10 of the 3rd embodiment of the present invention is described with reference to Fig. 8 in addition.The identical symbol of same section employing in corresponding and first embodiment in the 3rd embodiment, and omit its detailed description.
Fig. 8 is the side part sectioned view of the magnetic head 10 of the 3rd embodiment of the present invention.Be with magnetic head 10 differences of first embodiment of the present invention, be provided with the through hole 17 that inserts terminal 16 on shell 11, the terminal 16 of Yan Shening constitutes compacting part in shell 11 upward.In the present embodiment, terminal 16 bendings are shapes such as " く " font or " レ " font.
And when lead-in wire that the front end conductor is exposed 20 inserted in these through holes 17, the conductor of 20 front ends that go between was subjected to crooked terminal 16 and compresses and fix, and go between 20 and terminal 16 be electrical connection.
The installation method of magnetic head 10 on the support 22 in the device is identical with first embodiment Fig. 5.
The magnetic head of the 3rd embodiment is compared with the magnetic head of first embodiment, connector 21 shouldn't, cost can be even lower.
With reference to Fig. 9～Figure 14, the magnetic head of the 4th embodiment of the present invention is illustrated.
Shown in the exploded perspective view of Fig. 9, magnetic head 10 of the present invention is made up of a plurality of parts in the shell 11.
In addition, magnetic head 10 is full erase heads, but is not limited to the full erase head.
The front end face of shell 11 is the sliding contact surfaces that contact with tape etc., is convex surface.In the above, be formed with the opening portion, this opening portion allows jut 13a outstanding upward above coil former 13, inserts along the direction of insertion equidirectional with preceding magnetic core 12.
Preceding magnetic core 12 is the individual parts that there is slit 12a the centre of making earlier that give.
Coil former 13 is made by synthetic resin is Integratively formed, near rectangle.Periphery in the square tube part is wound with coil 18, forms two jut 13a, 13a at the bead place of coil former 13.
Back magnetic core 14 forms the section with two magnetic boots 14a, 14a and is " コ " font, and a magnetic boots 14a is inserted in the coil 18 of coil former 13, and the front end face of two magnetic boots 14a is contacted with the rear end face of preceding magnetic core 12, forms magnetic loop.
Compressing member 15 is the 15a of spring portion that compress back magnetic core 14, coil former 13 and preceding magnetic core 12 forward by the sheet metal punch process being made, being had.By four engagement protrusion 15b are fixed with the elastic force cooperation between the usefulness hole 11a that cooperates that is located at shell 11 lateral parts.
The assemble method of the magnetic head 10 of this structure below is described.
At first, as shown in Figure 9, on jut 13a, the 13a of coil former 13, several circles are twined in the part of each coil 18 implement to fix, and pull out the end prolongation of coil 18 standby.
At this moment, if the end to coil 18 is implemented welding on the jut 13a of coil former 13, then the lining meeting of an end of coil 18 is electrically connected the jut 13a of coil former 13 and coil 18 because of heat of solution.Thereby, when magnetic head is carried out single check, can use outstanding jut 13a as the terminal of check usefulness, make the check can be faster, more accurate.
Particularly, when jut 13a is the metal material of electric conductivity, because 18 of jut 13a and coils can conductings, thus can guarantee electric conductivity and reduce resistance, thereby wish.
Then, give the preceding magnetic core 12 that makes, the sliding contact surface (not drawing among the figure) of itself and tape is forwards inserted in the shell 11.
Then, the coil former 13 of drawing coil 18 and back magnetic core 14 are integral shape or insert respectively in the shell 11.
At last, insert compressing member 15, and meanwhile by the 15a of spring portion back magnetic core 14, coil former 13 and before magnetic core 12 compress forward, directly be pressed to each cooperate with projection 15b cooperate with on the shell 11 each use hole 11a resilient engagement till.
So far, each component-assembled in the shell 11 finishes.
And each parts is installed in respectively on the correct position.
For example: preceding magnetic core 12 is assembled into the end edge portion that makes itself and tape sliding contact surface, contacts with the contact site of shell 11, and the tape sliding contact surface can correctly be exposed from shell 11.
The magnetic head that assembles like this, acting characteristic is good, and reliability is high.
Below, illustrate according to Figure 10 this magnetic head 10 is assemblied in situation on the support 22 in the device that magnetic head 10 is to be installed on the support 22 with screw (not drawing among the figure) etc.
Be provided with the external circuit board 23 below support 22, externally circuit board 23 is provided with two connecting portions 19,19 that are used for the end of connecting coil 18.
These two connecting portions 19,19 are not because of needing base portion that as long as wiring figure is arranged, so externally take up space hardly on the circuit board 23, and, the end of coil 18 can freely draw around, draw on any position that can be placed on the external circuit board 23, thus the design become very free.
And, when weld with connecting portion 19 end of the coil 18 that directly will draw from the jut 13a of coil former 13 by scolding tin etc., the external circuit board 18 is electrically connected with magnetic head 10.
The coil 18 of Lian Jieing like this is though so because its line footpath has enough intensity greater than 0.1mm, can further gain in strength by the prolongation that encases coil 18 with ethylene tube etc.
In addition, the line of above-mentioned coil 18 footpath, directly irrelevant with line as shown in figure 11 although greater than Φ 0.1mm, also can with the end of coil 18 and the jut 13a of coil former 13 between repeatedly turn back, and twist together with winder 20.
Then, the stranded multi cord of the process of the end of coil 18, weld with the connecting portion 19 usefulness scolding tin of the external circuit board 23, the clad of coil 18 ends fuses because of being heated, and 10 of the external circuit board 23 and magnetic heads are electrically connected, and has also guaranteed the enough intensity of the extended line of coil 18.
In addition, although understand jut 13a with coil former 13, be formed on the top situation of coil former 13, but as shown in figure 12, the coil formers such as behind 13 that also can be arranged on coil former 13 Anywhere.
Moreover, although understand jut 13a is formed on situation on the bead of coil former 13, but as Figure 13, shown in Figure 14, alternative coil former 13, the resin or the metal jut 11b that use with shell 11 identical materials are set on shell 11, also can obtain same effect.
Below for magnetic head of the present invention being used for the example on the magnetic tape recorder-reproducer.
Figure 15 illustrates present embodiment magnetic tape recorder-reproducer floor map.
Magnetic tape recorder-reproducer M shown in Figure 15 is used for machines such as VTR, and its formation comprises: on the rotary head drum 100 that drives along direction rotation, around the tape load path of hanging the tape T that pulls out from tape reel 110.In this tape load path, as shown in figure 15, comprising: be separately positioned on rotary head drum 100 upstream and downstream, be used for guiding the tape T that pulls out from tape reel 110 and make it wrap a pair of angle sheave 130a, the 130b of rotary head drum 100; Be arranged on the delivery wheel 140 in the downstream of rotary head drum 100 in order to make tape T walking; And, be arranged on the erase head m of the present invention of rotary head drum 100 upstream sides.That is to say that the magnetic head in the above-mentioned embodiment 1～4 is arranged in the tape load path, is used for magnetic tape recorder-reproducer.
That is to say, in the magnetic tape recorder-reproducer M of Figure 15, by the tape T that send band side tape reel 110 to draw, after slipping over from the tape sliding contact surface of erase head m, be rolled on the rotary head drum 100 with predetermined angular through angle sheave 130a guiding, again through angle sheave 130b guiding, be transferred wheel 140 and pinch roller 150 clampings, rotation by delivery wheel 140 is walked along the direction of arrow among the figure, and last, this tape T is collected by not shown take-up side tape reel 120.In addition, video magnetic head 310,410 is installed on rotary head drum 100, twists in the visual track part of the tape T above the going barrel, can record the picture intelligence of correspondence down, and can reset out again.And audio frequency is housed with magnetic head 510 between angle sheave 130 and delivery wheel 140, can carries out the record and the regeneration of sound signal the audio track of tape T.
As mentioned above, magnetic head of the present invention, comprise: the coil former that is wound with coil, with above-mentioned coil former integrally formed and with the terminal of above-mentioned coil conducting, and with above-mentioned terminal and the outside lead-in wire that is connected, forming the hole on the above-mentioned coil former or on the shell of the described coil former of folding and unfolding, in above-mentioned hole, insert the front end of above-mentioned terminal, by being inserted, the connector that is arranged on the front end of above-mentioned lead-in wire make above-mentioned connector and above-mentioned terminal chimeric in the described hole, thereby, as long as the front end of lead-in wire is inserted in the hole of coil former or shell, lead-in wire and terminal will be electrically connected, by go between can with being connected of mainboard, thereby be easy to being connected of mainboard.In addition,, can freely design because of on mainboard, not needing the position of anchor leg tie point, so that the design during the mainboard miniaturization just simply.
Magnetic head of the present invention has the coil former and the receipts that are wound with coil and loads onto the shell of stating coil former and magnetic core.On the lip portions of described coil former, be provided with jut, the part of described coil is fixed on the described jut, prolong described overhang, and guide to the outside of described shell, thereby on coil former, do not need splicing ear, thereby ease of connection.
In addition, because also direct and the external circuit board welding with above-mentioned overhang, so externally just need not use base on the circuit board, thereby can be connected with the external circuit board at an easy rate.In addition, the external circuit board space get final product with tie point end turn owing to only need account for hardly, so the tie point of this end turn freely is provided with can not being subjected to the position restriction, thereby the design when making the external circuit board miniaturization becomes simple.
Claims (20)
1. magnetic head is characterized in that: comprising: be wound with the coil former of coil, integrally formed and be connected to outside lead-in wire with the terminal of described coil conducting and with described terminal with described coil former,
On described coil former, form the hole, and the front end of described terminal inserted in the described hole,
The connector portion of the front end by will being located at described lead-in wire inserts and makes described connector portion and described terminal chimeric in the described hole.
2. magnetic head is characterized in that: comprising: be wound with the coil former of coil, integrally formed and with the terminal of described coil conducting, described terminal is connected to the outside lead-in wire and the shell of the described coil former of folding and unfolding with described coil former,
On described coil former, form the hole, and the front end of described terminal inserted in the described hole,
The connector portion of the front end by will being located at described lead-in wire inserts and makes described connector portion and described terminal chimeric in the described hole.
3. magnetic head is characterized in that: comprising: be wound with the coil former of coil, integrally formed and be connected to outside lead-in wire with the terminal of described coil conducting and with described terminal with described coil former,
On described coil former, form the hole, and the front end of described terminal inserted in the described hole, make the described terminal of insertion keep elasticity,
Insert in the described hole described lead-in wire and described terminal flexible fastening by front end described lead-in wire.
4. magnetic head is characterized in that: comprising: be wound with the coil former of coil, integrally formed and with the terminal of described coil conducting, described terminal is connected to the outside lead-in wire and the shell of the described coil former of folding and unfolding with described coil former,
Described shell has through hole, and the terminal that is housed in the described coil former in the described shell is inserted in the described through hole, and make the described terminal of insertion keep elasticity,
Insert in the described through hole described lead-in wire and described terminal flexible fastening by front end described lead-in wire.
5. magnetic head is characterized in that: comprising: be wound with the coil former of coil and the shell of described coil former of folding and unfolding and magnetic core,
Lip portions at described coil former is provided with jut,
The localized immobilization that makes described coil prolongs described overhang and it is derived outside at described jut.
6. magnetic head is characterized in that: comprising: be wound with the coil former of coil and the shell of described coil former of folding and unfolding and magnetic core,
On described shell, jut is set,
The localized immobilization that makes described coil prolongs described overhang and it is derived outside at described jut.
7. magnetic head according to claim 5 is characterized in that: with described overhang, and described jut between folding bunchy.
8. magnetic head according to claim 5 is characterized in that: with the local welding of described coil on described jut.
9. magnetic head according to claim 8 is characterized in that: described jut is made of conductive metal material, and makes the local conducting of this jut and described coil.
10. magnetic head according to claim 5 is characterized in that: described overhang directly is welded on the external circuit substrate.
11. magnetic head according to claim 6 is characterized in that: with described overhang, and described jut between folding bunchy.
12. magnetic head according to claim 6 is characterized in that: with the local welding of described coil on described jut.
13. magnetic head according to claim 12 is characterized in that: described jut is made of conductive metal material, and makes the local conducting of this jut and described coil.
14. magnetic head according to claim 6 is characterized in that: described overhang directly is welded on the external circuit substrate.
15. a tape-shaped medium's record regenerator is characterized in that: in the path of loading tape, have the described magnetic head of claim 1.
16. a tape-shaped medium's record regenerator is characterized in that: in the path of loading tape, have the described magnetic head of claim 2.
17. a tape-shaped medium's record regenerator is characterized in that: in the path of loading tape, have the described magnetic head of claim 3.
18. a tape-shaped medium's record regenerator is characterized in that: in the path of loading tape, have the described magnetic head of claim 4.
19. a tape-shaped medium's record regenerator is characterized in that: in the path of loading tape, have the described magnetic head of claim 5.
20. a tape-shaped medium's record regenerator is characterized in that: in the path of loading tape, have the described magnetic head of claim 6.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP200258074 | 2002-03-04 | ||
| JP2002058074A JP2003257005A (en) | 2002-03-04 | 2002-03-04 | Magnetic head |
| JP2002001585U JP3088804U (en) | 2002-03-25 | 2002-03-25 | Magnetic head |
| JP20021585 | 2002-03-25 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005100065670A Division CN1658284A (en) | 2002-03-04 | 2003-03-04 | Magnetic head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1442846A true CN1442846A (en) | 2003-09-17 |
| CN1220974C CN1220974C (en) | 2005-09-28 |
Family
ID=27806895
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031068170A Expired - Fee Related CN1220974C (en) | 2002-03-04 | 2003-03-04 | Magnetic head |
| CN2005100065670A Pending CN1658284A (en) | 2002-03-04 | 2003-03-04 | Magnetic head |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005100065670A Pending CN1658284A (en) | 2002-03-04 | 2003-03-04 | Magnetic head |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100531589B1 (en) |
| CN (2) | CN1220974C (en) |
-
2003
- 2003-02-18 KR KR10-2003-0010129A patent/KR100531589B1/en not_active IP Right Cessation
- 2003-03-04 CN CNB031068170A patent/CN1220974C/en not_active Expired - Fee Related
- 2003-03-04 CN CN2005100065670A patent/CN1658284A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| KR20030072223A (en) | 2003-09-13 |
| KR100531589B1 (en) | 2005-11-28 |
| CN1220974C (en) | 2005-09-28 |
| CN1658284A (en) | 2005-08-24 |
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