JPS6360446B2 - - Google Patents
Info
- Publication number
- JPS6360446B2 JPS6360446B2 JP11855182A JP11855182A JPS6360446B2 JP S6360446 B2 JPS6360446 B2 JP S6360446B2 JP 11855182 A JP11855182 A JP 11855182A JP 11855182 A JP11855182 A JP 11855182A JP S6360446 B2 JPS6360446 B2 JP S6360446B2
- Authority
- JP
- Japan
- Prior art keywords
- head
- screw
- compression spring
- flat surface
- conical protrusion
- 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.)
- Expired
Links
- 230000006835 compression Effects 0.000 claims description 30
- 238000007906 compression Methods 0.000 claims description 30
- 238000003466 welding Methods 0.000 claims 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/16—Supporting the heads; Supporting the sockets for plug-in heads
- G11B21/24—Head support adjustments
Landscapes
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Description
【発明の詳細な説明】
本発明は、主として小型機種に好適なヘツドの
アジマス等の調整を行なうヘツド支持装置に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a head support device for adjusting the azimuth, etc. of a head, which is suitable mainly for small-sized machines.
従来、小型機種のヘツド支持方法は、アジマ
ス、あおりの各調整を行い易くするために、ヘツ
ドギヤツプに対して、前後、左右の寸法（支持ス
パン）を大きくとつていた。そのため、不要部分
を有し重量増加の要因ともなり、また、小型ビデ
オテープレコーダのヘツド支持方法には不向きと
云う欠点を有していた。 Conventionally, in a method of supporting a head of a small machine, the dimensions (support span) in the front, rear, left and right sides of the head gap are set large in order to facilitate adjustment of azimuth and tilt. Therefore, it has the disadvantage that it has unnecessary parts, which causes an increase in weight, and that it is not suitable as a method for supporting the head of a small video tape recorder.
第１図ないし第３図は従来のヘツド支持装置を
示し、第１図は正面図、第２図は第１図の−
矢視断面図、第３図は第１図のねじ部を省略した
右側面図であり、１はヘツド載置台で、軸受部１
２と軸受部１２の軸線と直交し一体に形成された
載置台平面部１３とから形成されている。載置台
平面部１３の軸受部１２に対し離れた側には円錐
状突起７が一体に突出形成されている。３はヘツ
ド２の台板で、台板３には２個のヘツド２が隣接
固着され、また、載置台平面部１３の円錐状突起
７と嵌合する位置決め穴８が形成され、円錐状突
起７と位置決め穴８との結合により結合点が形成
されるようになつている。そして、円錐状突起７
と軸受部１２側を結ぶ線上の軸受部１２近接側に
円錐状のねじ先端部１０が載置台平面部１３に接
触するようにねじ６が螺着されている。さらに、
円錐状突起７と軸受部１２側とを結ぶ線と直交方
向には、この線を挟んだ位置に、台板３を載置台
平面部１３に近接するように台板３に遊嵌され載
置台平面部１３に螺着されたねじ４が一方の側に
取り付けられている。また、他方側には、載置台
平面部１３に螺着され台板３に遊嵌され、台板３
と頭部との間に圧縮ばね５を挟着し台板３を載置
台平面部１３に圧縮ばね５の張力を介し近接する
ようにねじ４ａが取り付けられている。 Figures 1 to 3 show a conventional head support device, with Figure 1 being a front view and Figure 2 being the same as in Figure 1.
3 is a right side view of FIG. 1 with the screw portion omitted; 1 is a head mounting table;
2 and a mounting table plane part 13 that is perpendicular to the axis of the bearing part 12 and integrally formed. A conical protrusion 7 is integrally formed to protrude from the side of the flat surface portion 13 of the mounting table that is remote from the bearing portion 12 . Reference numeral 3 designates a base plate of the head 2. Two heads 2 are fixed adjacent to each other on the base plate 3, and a positioning hole 8 is formed to fit with the conical protrusion 7 of the flat surface part 13 of the mounting table. 7 and the positioning hole 8 form a connection point. And conical projection 7
A screw 6 is screwed onto the side adjacent to the bearing 12 on the line connecting the bearing 12 and the bearing 12 so that the conical screw tip 10 contacts the flat surface 13 of the mounting table. moreover,
In the direction orthogonal to the line connecting the conical protrusion 7 and the bearing part 12 side, a mounting table is loosely fitted onto the base plate 3 so that the base plate 3 is close to the flat surface part 13 of the mounting table, at a position across this line. A screw 4 screwed into the flat part 13 is attached to one side. Further, on the other side, the mounting table flat part 13 is screwed and the base plate 3 is loosely fitted.
A compression spring 5 is sandwiched between the head and the base plate 3, and a screw 4a is attached so that the base plate 3 approaches the flat surface part 13 of the mounting table through the tension of the compression spring 5.
そして、ヘツドアジマス調整の場合は、ねじ４
を矢印Ｄ−D′の方向に移動することにより、台
板３は載置台平面部１３の円錐状突起７を支点に
圧縮ばね５の矢印Ｘ−X′方向の伸縮に応じヘツ
ド２の端部１１を矢印ｄ−d′の方向に変位させる
ことができてアジマス調整が可能となる。更に、
ヘツド２のあおり調整の場合は、ねじ６のねじ先
端部１０を載置台平面部１３に当接させてねじ６
を回動することにより台板３は矢印Ｅ−E′方向に
変位し、ヘツド２は端部２ｂを円錐状突起７を支
点として矢印ｅ−e′方向に変位されてあおり調整
が可能となる。 For head azimuth adjustment, screw 4
By moving the base plate 3 in the direction of the arrow D-D', the base plate 3 moves the end of the head 2 according to the expansion and contraction of the compression spring 5 in the direction of the arrow 11 can be displaced in the direction of the arrow d-d', making it possible to adjust the azimuth. Furthermore,
When adjusting the tilt of the head 2, the screw tip 10 of the screw 6 should be brought into contact with the flat surface 13 of the mounting table.
By rotating the base plate 3, the base plate 3 is displaced in the direction of the arrow E-E', and the head 2 is displaced in the direction of the arrow E-E' using the end portion 2b as a fulcrum around the conical protrusion 7, making it possible to adjust the tilt. .
しかし、上記従来の構造においては、円錐状突
起７及び位置決め穴８と、軸受部１２側とを結ぶ
直線に直交する線上の円錐状突起７の両側の位置
に、台板３を遊嵌し載置台平面部１３に螺着され
たねじ４，４ａ及び圧縮ばね５により位置決め穴
８を円錐状突起７に圧接するとともにねじ４，４
ａを結ぶ方向の線の載置台平面部１３に対する傾
きを調整する構造となつている。そのために、ね
じ４，４ａを取り付けた方向に長く広い面積が必
要となり、取り付けのためのスペースを多く要
し、また、部品点数も多くなつている。 However, in the above conventional structure, the base plate 3 is loosely fitted and mounted on both sides of the conical projection 7 on a line perpendicular to the straight line connecting the conical projection 7 and the positioning hole 8 with the bearing part 12 side. The positioning hole 8 is brought into pressure contact with the conical protrusion 7 by the screws 4, 4a screwed onto the flat surface part 13 of the table and the compression spring 5, and the screws 4, 4
The structure is such that the inclination of the line connecting the points a with respect to the flat surface portion 13 of the mounting table is adjusted. Therefore, a long and wide area is required in the direction in which the screws 4 and 4a are installed, which requires a large amount of space for installation, and also increases the number of parts.
本発明は上記の状況に鑑みなされたものであ
り、形状をコンパクトに小形化できるとともに部
品点数を減少できるヘツド支持装置を提供するこ
とを目的としたものである。 The present invention has been made in view of the above-mentioned circumstances, and it is an object of the present invention to provide a head support device which can be made compact in size and can reduce the number of parts.
本発明のヘツド支持装置は、軸受部及び該軸受
部軸線に直交する載置台平面部と、該載置台平面
部に形成された円錐状突起とから成るヘツド載置
台と、ヘツドを載置したヘツド台板と、該ヘツド
台板に形成された位置決め穴を上記円錐状突起に
係合した状態で上記ヘツド台板を上記ヘツド載置
台に圧接させる圧接手段とを備えたヘツド支持装
置において、上記圧接手段が、上記円錐状突起と
上記軸受側とを結ぶ直線上及び該直線を境界とす
る片側領域の上記円錐状突起からそれぞれ所定距
離の上記ヘツド台板上の各位置と上記載置台平面
部の対向面部とに螺着されたねじと、該ねじの外
周で上記ヘツド台板と上記載置台平面部との間に
嵌挿された圧縮ばねと、該圧縮ばねの上記載置台
平面部に接する接触部分で上記ねじより上記円錐
状突起に近い側においては上記圧縮ばねによる圧
接力が弱く上記ねじより上記円錐状突起に遠い側
においては上記圧縮ばねによる圧接力が強い圧接
装置からなる。 The head support device of the present invention includes a head mounting base comprising a bearing, a flat surface of the mounting base perpendicular to the axis of the bearing, and a conical protrusion formed on the flat surface of the mounting base, and a head on which the head is mounted. In the head support device, the head support device includes a base plate, and pressure contact means for pressing the head base plate against the head mounting base in a state in which a positioning hole formed in the head base plate is engaged with the conical protrusion. The means is arranged at each position on the head base plate at a predetermined distance from the conical protrusion on a straight line connecting the conical protrusion and the bearing side, and in one side area bounded by the straight line, and on the flat surface of the mounting table. a screw screwed onto the opposing surface; a compression spring fitted between the head base plate and the flat surface of the mounting table on the outer periphery of the screw; and a contact of the compression spring in contact with the flat surface of the mounting table. The pressure contact device is comprised of a pressure contact device in which the pressure contact force by the compression spring is weak on the side closer to the conical protrusion than the screw, and the pressure contact force by the compression spring is strong on the side farther from the screw to the conical protrusion.
以下本発明のヘツド支持装置の一実施例を従来
と同部品は同符号で示し同部分の説明は省略し第
４図ないし第６図により説明する。第４図は正面
図、第５図、第６図はそれぞれ第４図の−、
−矢視断面図である。図において、円錐状突
起７と軸受部１２側とを結ぶ直線上の軸受部１２
側に近接する位置決め穴８から所定距離を離れた
位置には第６図に示すように載置台平面部１３に
螺着され台板３に遊嵌されたねじ１５が取り付け
られている。ねじ１５の外周には圧縮ばね１６が
台板３と載置平面部１３との間に嵌装され、圧縮
ばね１６が載置台平面部１３に対する接触面には
円錐状突起７側が低く遠ざる側が高く形成された
傾斜ばね支持部１７が形成されている。従つて、
位置決め穴８は、ねじ１５及び圧縮ばね１６が取
り付けられた傾動駆動圧接位置において台板３が
回動（傾動）力をうけることにより円錐状突起７
に圧接される。また、円錐状突起７と軸受部１２
とを結ぶ線に直交する線上の片側位置の上記円錐
状突起７から所定距離の位置も上記傾動駆動圧接
位置と同様に形成され、ねじ１４が台板３を遊嵌
し載置台平面部１３に螺着され、ねじ１４の外周
で台板３と載置台平面部１３との間に圧縮ばね１
６が嵌装されている。そして、圧縮ばね１６が載
置台平面部１３に対する接触面には円錐状突起７
側が低く遠ざかる側が高く形成された傾斜ばね支
持部１７が形成されている。従つて、このねじ１
４及び圧縮ばね１６が取り付けられた傾動駆動圧
接位置からも、位置決め穴８は台板３により円錐
状突起７に圧接される方向に回動（傾動）力を受
けている。 Hereinafter, one embodiment of the head support device of the present invention will be described with reference to FIGS. 4 to 6, with the same parts as those in the prior art designated by the same reference numerals and explanations of the same parts omitted. Figure 4 is a front view, Figures 5 and 6 are - of Figure 4, respectively.
- It is an arrow sectional view. In the figure, the bearing part 12 is on a straight line connecting the conical protrusion 7 and the bearing part 12 side.
At a position a predetermined distance away from the positioning hole 8 adjacent to the side, as shown in FIG. 6, a screw 15 is attached which is screwed onto the flat surface portion 13 of the mounting table and loosely fitted into the base plate 3. A compression spring 16 is fitted on the outer periphery of the screw 15 between the base plate 3 and the flat surface section 13, and the contact surface of the compression spring 16 with the flat surface section 13 of the mounting table has a lower conical protrusion 7 side and a lower side farther away. A high inclined spring support portion 17 is formed. Therefore,
The positioning hole 8 forms a conical protrusion 7 when the base plate 3 receives a rotational (tilting) force at the tilting drive pressure contact position where the screw 15 and the compression spring 16 are attached.
is pressed against. In addition, the conical projection 7 and the bearing portion 12
A position at a predetermined distance from the conical protrusion 7 on one side of the line perpendicular to the line connecting the two is also formed in the same manner as the tilting drive pressure contact position, and the screw 14 loosely fits the base plate 3 to the flat surface part 13 of the mounting base. A compression spring 1 is screwed between the base plate 3 and the flat surface part 13 of the mounting base on the outer periphery of the screw 14.
6 is fitted. A conical projection 7 is provided on the contact surface of the compression spring 16 with the flat surface portion 13 of the mounting table.
An inclined spring support portion 17 is formed which is lower on the side and higher on the side moving away from the spring. Therefore, this screw 1
4 and the compression spring 16 are attached, the positioning hole 8 is also subjected to a rotational (tilting) force by the base plate 3 in the direction in which it is pressed against the conical protrusion 7.
そして、アジマス調整の場合は、ねじ１４を回
動し矢印Ｆ−F′方向にねじ１４貫通位置を変位さ
せることにより台板３は円錐状突起７を支点にヘ
ツド２の端部１１を矢印ｆ−f′方向に変位させる
ことができる。この場合に、圧縮ばね１６は傾斜
ばね支持部１７の斜面により、圧縮ばね１６の付
勢力は、Ｈ＞H′となり、Ｈ−H′＞０、の付勢力
が圧縮ばね１６部分を支点にして台板３を矢印Ｉ
方向に付勢させ、位置決め穴８と円錐状突起７と
の当接を強くして両者の離脱を防止している。ま
た、あおり調整も、上記と同様にねじ１５を回動
し貫通位置を矢印Ｇ−G′方向へ変位させると台
板３は円錐状突起７を支点にヘツド２の端部２ｂ
を矢印ｇ−g′方向に変位させることができる。こ
の場合も上記と同様に、圧縮ばね１６の台板３へ
の付勢力は、Ｊ＞J′、となり、Ｊ−J′＞０、の付
勢力が圧縮ばね１６部分を支点として台板３を矢
印Ｋ方向へ位置決め穴８と円錐状突起７との当接
を強くし両者の離脱を防止している。 In the case of azimuth adjustment, by rotating the screw 14 and displacing the penetration position of the screw 14 in the direction of arrow F-F', the base plate 3 is moved from the end 11 of the head 2 to the arrow f with the conical protrusion 7 as the fulcrum. It can be displaced in the −f′ direction. In this case, the biasing force of the compression spring 16 becomes H>H' due to the slope of the inclined spring support part 17, and the biasing force of H-H'>0 uses the compression spring 16 portion as a fulcrum. Base plate 3 with arrow I
direction, the positioning hole 8 and the conical projection 7 are strongly brought into contact with each other to prevent them from coming apart. Also, for the tilt adjustment, when the screw 15 is turned in the same manner as described above and the penetration position is displaced in the direction of the arrow G-G', the base plate 3 is moved around the conical protrusion 7 as a fulcrum at the end 2b of the head 2.
can be displaced in the direction of arrow gg'. In this case as well, the biasing force of the compression spring 16 on the base plate 3 is J>J', and the biasing force of J-J'>0 is applied to the base plate 3 using the compression spring 16 portion as a fulcrum. The contact between the positioning hole 8 and the conical projection 7 is strengthened in the direction of arrow K to prevent them from coming off.
このように本実施例のヘツド支持装置は、円錐
状突起に対して位置決め穴を結合圧接させるばね
の接触面を傾斜ばね支持部として傾斜させ傾動力
を生じさせるようにしたので、従来のように円錐
状突起と軸受部側とを結ぶ直線と直交する線上に
円錐状突起を挟んで両側に、ボルトや圧縮ばねを
設けることがないので取付面積を減少できる。即
ち、第４図の点線１８部分を減少できると共に部
品点数を減少できコンパクト化が可能となる。 In this way, in the head support device of this embodiment, the contact surface of the spring that connects and presses the positioning hole against the conical projection is tilted as an inclined spring support part to generate a tilting force. Since bolts and compression springs are not provided on both sides of the conical projection on a line perpendicular to the straight line connecting the conical projection and the bearing side, the mounting area can be reduced. That is, it is possible to reduce the portion indicated by the dotted line 18 in FIG. 4, and also to reduce the number of parts, thereby making it possible to make the device more compact.
上記実施例は圧縮ばねが接する面を傾斜させて
円錐状突起に対し位置決め穴を圧接すると共に、
ばねの張力を変化させてアジマス、あおりの各調
整を行なう場合について説明したが、圧縮ばね自
身に、コイル状の軸方向の高さが直径方向の一方
が高く一方が低いように傾斜面を形成し、この圧
縮ばねを取付時に、ねじを中心に円錐状突起近接
側に低い側を取り付け遠ざかる側に高い側を取り
付けても全く同様の作用効果を有する。 In the above embodiment, the surface in contact with the compression spring is inclined to press the positioning hole against the conical protrusion, and
We have explained the case of adjusting the azimuth and tilt by changing the tension of the spring, but it is also possible to form an inclined surface on the compression spring itself so that the axial height of the coil is higher on one side in the diametrical direction and lower on the other side. However, when installing this compression spring, the same effect can be obtained even if the lower side is attached to the side closer to the conical protrusion and the higher side is attached to the side farther away from the screw.
以上記述した如く本発明のヘツド支持装置は、
形状をコンパクトに小形化できると共に部品点数
を減少できる効果を有するものである。 As described above, the head support device of the present invention has the following features:
This has the effect of making the shape compact and reducing the number of parts.
第１図は従来のヘツド支持装置の正面図、第２
図は第１図の−矢視断面図、第３図は第１図
のねじ部を省略した右側面図、第４図は本発明の
ヘツド支持装置の実施側の正面図、第５図、第６
図はそれぞれ第４図の−、−矢視部断面
図である。
１……ヘツド載置台、２……ヘツド、３……台
板、７……円錐状突起、８……位置決め穴、１２
……軸受部、１３……載置台平面部、１４，１５
……ねじ、１６……圧縮ばね、１７……傾斜ばね
支持部。
Figure 1 is a front view of a conventional head support device, Figure 2 is a front view of a conventional head support device;
3 is a right side view of FIG. 1 with the screw portion omitted, FIG. 4 is a front view of the implementation side of the head support device of the present invention, and FIG. 6th
The figures are sectional views taken along the - and - arrows in FIG. 4, respectively. 1... Head mounting base, 2... Head, 3... Base plate, 7... Conical projection, 8... Positioning hole, 12
... Bearing part, 13 ... Placing table flat part, 14, 15
... Screw, 16 ... Compression spring, 17 ... Inclined spring support part.
Claims (1)
面部と、該載置台平面部に形成された円錐状突起
とから成るヘツド載置台と、ヘツドを載置したヘ
ツド台板と、該ヘツド台板に形成された位置決め
穴を上記円錐状突起に係合した状態で上記ヘツド
台板を上記ヘツド載置台に圧接させる圧接手段と
を備えたヘツド支持装置において、上記圧接手段
が、上記円錐状突起と上記軸受側とを結ぶ直線上
及び該直線を境界とする片側領域の上記円錐状突
起からそれぞれ所定距離の上記ヘツド台板上の各
位置と上記載置台平面部の対向面部とに螺着され
たねじと、該ねじの外周で上記ヘツド台板と上記
載置台平面部との間に嵌挿された圧縮ばねと、該
圧縮ばねの上記載置台平面部に接する接触部分で
上記ねじより上記円錐状突起に近い側においては
上記圧縮ばねによる圧接力が弱く上記ねじより上
記円錐状突起に遠い側においては上記圧縮ばねに
よる圧接力が強い圧接装置からなることを特徴と
するヘツド支持装置。 ２ 上記圧接装置が、上記圧縮ばねの上記載置台
平面部に接する接触部分の上記載置台平面部の形
状が、上記ねじより上記円錐状突起に近い側が低
く遠い側が高い傾斜ばね支持部で形成されている
特許請求の範囲第１項記載のヘツド支持装置。 ３ 上記圧接装置が、上記圧縮ばねの上記載置台
平面部に接する接触部分の上記圧縮ばねの形状
が、上記ねじより上記円錐状突起に近い側が低く
遠い側が高い傾斜ばね部で形成されている特許請
求の範囲第１項載のヘツド支持装置。[Scope of Claims] 1. A head mounting base comprising a bearing, a flat surface of the mounting base perpendicular to the axis of the bearing, and a conical protrusion formed on the flat surface of the mounting base, and a head base on which the head is mounted. A head support device comprising: a plate; and pressure contact means for pressing the head base plate against the head mounting base in a state in which a positioning hole formed in the head base plate is engaged with the conical protrusion, wherein the pressure contact means , each position on the head base plate at a predetermined distance from the conical protrusion on a straight line connecting the conical protrusion and the bearing side and on one side bordering on the straight line and the flat surface of the mounting table are opposed to each other. a compression spring fitted between the head base plate and the mounting table flat surface on the outer periphery of the screw; and a contact portion of the compression spring that contacts the mounting table flat surface. The pressure welding device is characterized in that the pressure contact force by the compression spring is weak on the side closer to the conical protrusion than the screw, and the pressure contact force by the compression spring is strong on the side farther from the screw to the conical protrusion. Head support device. 2. The pressure welding device is configured such that the contact portion of the compression spring in contact with the flat surface of the mounting table is formed by an inclined spring support part that is lower on the side closer to the conical protrusion than the screw and higher on the side farther from the screw. A head support device according to claim 1. 3. A patent in which the shape of the compression spring at the contact portion of the compression spring in contact with the flat surface of the mounting table in the pressure welding device is formed by an inclined spring portion that is lower on the side closer to the conical protrusion than the screw and higher on the side farther from the screw. A head support device according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11855182A JPS5911525A (en) | 1982-07-09 | 1982-07-09 | Head supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11855182A JPS5911525A (en) | 1982-07-09 | 1982-07-09 | Head supporting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5911525A JPS5911525A (en) | 1984-01-21 |
| JPS6360446B2 true JPS6360446B2 (en) | 1988-11-24 |
Family
ID=14739379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11855182A Granted JPS5911525A (en) | 1982-07-09 | 1982-07-09 | Head supporting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5911525A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59168922A (en) * | 1983-03-17 | 1984-09-22 | Akai Electric Co Ltd | Magnetic head supporting device of tape recorder |
| JPH075537Y2 (en) * | 1988-05-26 | 1995-02-08 | ミツミ電機株式会社 | Magnetic head mounting position adjustment mechanism |
-
1982
- 1982-07-09 JP JP11855182A patent/JPS5911525A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5911525A (en) | 1984-01-21 |
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