JPS6117564Y2 - - Google Patents

Description

【考案の詳細な説明】 本考案はテープレコーダに関し、特にテープの
走行方向を再生時に正方向および逆方向の両方向
に走行させるものでかつヘツド基板等の作動板を
モータ等の駆動回転体で移動させるテープレコー
ダに関する。[Detailed Description of the Invention] The present invention relates to a tape recorder, in particular a tape recorder in which the tape runs in both forward and reverse directions during playback, and an actuating plate such as a head board is moved by a driving rotating body such as a motor. related to tape recorders.

従来の一方向に回転するモータ等の駆動回転体
によりヘツド基板等の作動板を移動させる手段は
周知であるが、正逆のテープ走行方向の切換えを
モータの回転方向を切換えて行なう装置において
は行なわれていなかつた。 Conventional means for moving an actuating plate such as a head board using a drive rotating body such as a motor that rotates in one direction is well known, but in a device that switches between forward and reverse tape running directions by switching the rotational direction of the motor, It had not been done.

本考案はかかる装置においても簡単な構成でモ
ータ等の駆動回転体でヘツド基板等の作動板を移
動させるようにし、スムーズで確実に動作するテ
ープレコーダを提供するものである。 The present invention provides a tape recorder that operates smoothly and reliably in such an apparatus by moving an actuating plate such as a head board using a driving rotating body such as a motor with a simple structure.

以下本考案の一実施例を図面に基づいて説明す
る。第１図において１はキヤプスタンで、図示し
ない適宜のモータにより駆動され、駆動ギヤ２が
同心状に固定されている。３は軸４に回転自在に
設けられたプーリで、その欠歯部３ａを有するギ
ヤ部３ｂは前記駆動ギヤ２に噛合可能でかつ作動
板５を駆動するカム部３ｃとトリガレバー６に係
止される係止凹部３ｄを有している。上記作動板
５は軸７，８に摺動自在に設けられ、ばね９によ
り矢印Ａ方向に付勢され、凸部５ａが上記プーリ
３のカム部３ｃに当接する如く構成され、図示し
ないヘツド基板に連結されている。上記トリガレ
バー６は軸１０に回動自在に設けられ、図示しな
いばねにより反時計方向に付勢され、一端６ａは
トリガソレノイド１０に連結され、他端６ａは上
記プーリ３の係止凹部３ｄに係止するようになつ
ている。 An embodiment of the present invention will be described below based on the drawings. In FIG. 1, a capstan 1 is driven by an appropriate motor (not shown), and a drive gear 2 is fixed concentrically thereto. Reference numeral 3 denotes a pulley rotatably provided on a shaft 4, and a gear portion 3b having a toothless portion 3a can mesh with the drive gear 2 and is engaged with a cam portion 3c that drives the actuating plate 5 and a trigger lever 6. It has a locking recess 3d. The actuating plate 5 is slidably provided on the shafts 7 and 8, is urged in the direction of arrow A by a spring 9, and is configured such that the convex portion 5a abuts the cam portion 3c of the pulley 3, and is attached to a head board (not shown). is connected to. The trigger lever 6 is rotatably mounted on a shaft 10 and biased counterclockwise by a spring (not shown). One end 6a is connected to the trigger solenoid 10, and the other end 6a is connected to the locking recess 3d of the pulley 3. It is designed to lock.

ロツクレバー１２は軸１３に回動自在に設けら
れ、ばね１４により反時計方向に付勢され、一端
１２ａはロツクソレノイド１５に連結され、他端
１２ｂは上記作動板５の折曲部５ｂを係止する如
く構成されている。 The lock lever 12 is rotatably mounted on a shaft 13, biased counterclockwise by a spring 14, one end 12a is connected to a lock solenoid 15, and the other end 12b locks the bent portion 5b of the actuation plate 5. It is configured as follows.

正反ロツド１６は軸１７に摺動自在に設けら
れ、図示しない正反切換手段で切換えられるとと
もに、図示しないクリツクばねで第１図および第
４図の状態で保持されるようになつている。これ
らの方法は周知であり、ここでは詳述しない。ま
た上記正反ロツド１６の切欠部１６ａはスイツチ
１８を制御する如く構成され、さらに上記正反ロ
ツド１６に固定された線ばね１９，２０はそれぞ
れ上記プーリ３のピン部３ｅに当接し、第１図の
状態ではプーリ３を反時計方向に付勢し、第４図
の状態では時計方向に付勢するようになつてい
る。 The right/reverse rod 16 is slidably disposed on a shaft 17, is switched by a forward/reverse switching means (not shown), and is held in the state shown in FIGS. 1 and 4 by a click spring (not shown). These methods are well known and will not be detailed here. Furthermore, the notch 16a of the anti-reverse rod 16 is configured to control a switch 18, and the wire springs 19, 20 fixed to the anti-reverse rod 16 are in contact with the pin portion 3e of the pulley 3, respectively. In the state shown in the figure, the pulley 3 is biased counterclockwise, and in the state shown in FIG. 4, it is biased clockwise.

次にその動作について説明する。第１図の停止
状態から再生操作を行なうと、モータ（図示せ
ず）が第１の方向に回転し、キヤプスタン１は時
計方向に回転する。次にトリガソレノイド１１を
瞬時動作させるとトリガレバー６の他端６ｂはプ
ーリ３の係止凹部３ｄから離脱し、プーリ３は線
ばね１９により反時計方向に回転せしめられ、プ
ーリ３のギヤ部３ｂが駆動ギヤ２に噛合し、プー
リ３およびカム部３ｃは反時計方向に回転せしめ
られる。カム部３ｃが反時計方向に回転される
と、作動板５は第１図の状態から第２図の状態へ
ばね９に抗して移動する。次にロツクソレノイド
１５を動作させるとロツクレバー１２はばね１４
に抗して時計方向に回動し、第２図の如く作動板
５の折曲部５ｂを他端部１２ｂが係止し、作動板
５を第２図の状態で保持する。 Next, its operation will be explained. When a regeneration operation is performed from the stopped state shown in FIG. 1, a motor (not shown) rotates in a first direction, and the capstan 1 rotates clockwise. Next, when the trigger solenoid 11 is instantaneously operated, the other end 6b of the trigger lever 6 is released from the locking recess 3d of the pulley 3, the pulley 3 is rotated counterclockwise by the wire spring 19, and the gear portion 3b of the pulley 3 is rotated counterclockwise. meshes with the drive gear 2, and the pulley 3 and cam portion 3c are rotated counterclockwise. When the cam portion 3c is rotated counterclockwise, the actuating plate 5 moves against the spring 9 from the state shown in FIG. 1 to the state shown in FIG. Next, when the lock solenoid 15 is operated, the lock lever 12 is moved by the spring 14.
2, the other end 12b locks the bent portion 5b of the actuating plate 5, and the actuating plate 5 is held in the state shown in FIG.

プーリ３がさらに反時計方向に回転すると、欠
歯部３ａが再び駆動ギヤ２に対向して位置し、さ
らに線ばね１９によりプーリ３が反時計方向に付
勢されるので第３図の状態となり、同時にトリガ
レバー６の他端６ｂがプーリ３の係止凹部３ｄに
係合し、第３図の状態に保持される。作動板５が
第１図から第２図、第３図の状態になると、図示
しないヘツド基板およびテープ走行手段等も停止
状態から再生状態に移動され、再生状態（正方
向）となる。 When the pulley 3 further rotates counterclockwise, the toothless portion 3a is again located opposite the drive gear 2, and the pulley 3 is further urged counterclockwise by the wire spring 19, resulting in the state shown in Fig. 3. At the same time, the other end 6b of the trigger lever 6 engages with the locking recess 3d of the pulley 3, and is held in the state shown in FIG. When the operating plate 5 changes from FIG. 1 to the state shown in FIGS. 2 and 3, the head board, tape running means, etc. (not shown) are also moved from the stopped state to the reproducing state, and enter the reproducing state (in the forward direction).

第３図の再生状態（正方向）からロツクソレノ
イド１５の動作を解除させると、ロツクレバー１
２はばね１４の付勢および作動板５のばね９によ
る矢印Ａ方向の付勢により反時計方向に回動さ
れ、作動板５の折曲部５ａの係止は解除され、第
１図の停止状態となる。 When the operation of the lock solenoid 15 is released from the regeneration state (positive direction) shown in FIG. 3, the lock lever 1
2 is rotated counterclockwise by the urging of the spring 14 and the urging of the actuating plate 5 in the direction of arrow A by the spring 9, and the locking of the bent portion 5a of the actuating plate 5 is released, and the stop shown in FIG. state.

次にテープ走行方向が逆方向の場合の動作を説
明する。正反ロツド１６が第１図の正方向位置か
ら第４図の反方向位置に切換わつた停止状態から
再生操作を行なうと、モータ（図示せず）はスイ
ツチ１８が切換わつていることから第２の方向に
回転し、キヤプスタン１は反時計方向に回転す
る。次にトリガソレノイド１１を瞬時動作させる
と、トリガレバー６の他端６ｂはプーリ３の係止
凹部３ｄから離脱し、プーリ３は線ばね２０によ
り時計方向に回転せしめられ、プーリ３のギヤ部
３ｂが駆動ギヤ２に噛合し、プーリ３およびカム
部３ｃが時計方向に回転せさめられる。カム部３
ｃが時計方向に回転させると、作動板５が第４図
の状態から第５図の状態へばね９に抗して移動す
る。次にロツクソレノイド１５を動作させるとロ
ツクレバー１２はばね１４に抗して時計方向に回
動し、第５図の如く作動板５の折曲部５ｂを他端
１２ｂが係止し、作動板５を第５図の状態で保持
する。 Next, the operation when the tape running direction is the opposite direction will be explained. When a regeneration operation is performed from a stopped state in which the reverse rod 16 is switched from the forward position shown in FIG. 1 to the reverse position shown in FIG. 2, and the capstan 1 rotates counterclockwise. Next, when the trigger solenoid 11 is instantaneously operated, the other end 6b of the trigger lever 6 is released from the locking recess 3d of the pulley 3, the pulley 3 is rotated clockwise by the wire spring 20, and the gear portion 3b of the pulley 3 is rotated clockwise. meshes with the drive gear 2, and the pulley 3 and cam portion 3c are rotated clockwise. Cam part 3
When c rotates clockwise, the actuating plate 5 moves against the spring 9 from the state shown in FIG. 4 to the state shown in FIG. Next, when the lock solenoid 15 is operated, the lock lever 12 rotates clockwise against the spring 14, and as shown in FIG. is held in the state shown in Figure 5.

プーリ３がさらに反時計方向に回転すると、欠
歯部３ａが再び駆動ギヤ２に対向して位置し、さ
らに線ばね２０によりプーリ３が反時計方向に付
勢されるので第６図の状態となり、同時にトリガ
レバー６の他端部６ｂがプーリ３の係止凹部３ｄ
に係合し、第６図の状態に保持される。作動板５
が第４図から第５図、第６図の状態になると、図
示しないヘツド基板およびテープ走行手段等も停
止状態から再生状態に移動され、再生状態（逆方
向）となる。 When the pulley 3 further rotates in the counterclockwise direction, the toothless portion 3a is again located opposite the drive gear 2, and the pulley 3 is further urged counterclockwise by the wire spring 20, resulting in the state shown in FIG. 6. At the same time, the other end 6b of the trigger lever 6 engages the locking recess 3d of the pulley 3.
and is held in the state shown in FIG. Actuation plate 5
When the state changes from FIG. 4 to FIG. 5 and FIG. 6, the head board, tape running means, etc. (not shown) are also moved from the stopped state to the reproducing state, and enter the reproducing state (in the opposite direction).

第６図の再生状態（逆方向）からロツクソレノ
イド１５の動作を解除させると、正方向の再生状
態時と同様に動作し、作動板５は第４図の停止状
態となる。 When the operation of the lock solenoid 15 is released from the regeneration state (reverse direction) shown in FIG. 6, it operates in the same manner as in the forward regeneration state, and the actuating plate 5 enters the stopped state shown in FIG. 4.

以上本考案によれば、正方向および逆方向への
テープの走行をモータ等の駆動回転体の回転方向
を切換えて行なうもので、簡単な構成で、スムー
ズでかつ確実にヘツド基板等の作動板の作動を行
ない、さらに操作性の良いテープレコーダが得ら
れるに至つた。 As described above, according to the present invention, the tape is run in the forward and reverse directions by switching the rotational direction of the drive rotary body such as the motor, and has a simple configuration that smoothly and reliably moves the tape through the operating plate such as the head board. As a result, a tape recorder with even better operability was obtained.

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本考案の一実施例を示し、第１図は正方
向走行状態での停止状態を示す概略平面図、第２
図および第３図は同再生状態となる途中の状態お
よび同再生状態を示す概略平面図、第４図は逆方
向走行状態での停止状態を示す概略平面図、第５
図および第６図は同再生状態となる途中の状態お
よび同再生状態を示す概略平面図である。 １……キヤプスタン、２……駆動ギヤ、３……
プーリ、３ａ……欠歯部、３ｂ……ギヤ部、３ｃ
……カム部、３ｄ……係止凹部、３ｅ……ピン
部、５……作動板、６……トリガレバー、１１…
…トリガソレノイド、１２……ロツクレバー、１
５……ロツクソレノイド、１６……正反ロツド、
１９，２０……線ばね。 The drawings show one embodiment of the present invention, and FIG. 1 is a schematic plan view showing a stopped state while traveling in the forward direction, and FIG.
3 and 3 are a schematic plan view showing a state in the middle of the same regeneration state and the same regeneration state, FIG. 4 is a schematic plan view showing a stopped state in a reverse direction running state, and
FIG. 6 and FIG. 6 are schematic plan views showing a state in the middle of the same reproduction state and a same reproduction state. 1... Capstan, 2... Drive gear, 3...
Pulley, 3a... Missing tooth part, 3b... Gear part, 3c
...Cam part, 3d...Latching recessed part, 3e...Pin part, 5...Operating plate, 6...Trigger lever, 11...
...Trigger solenoid, 12...Lock lever, 1
5...Rotux solenoid, 16...Reverse rod,
19,20...wire spring.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 第１の位置と第２の位置を往復移動可能な作動
手段と、この作動手段を少なくとも第１の位置か
ら第２の位置に作動させるカム手段と、磁気テー
プの正方向および逆方向の走行方向に対応して正
逆回転する駆動回転体と、該駆動回転体に同心状
に設けられた駆動ギヤと、該駆動ギヤに噛合する
ギヤ部と噛合が解放される欠歯部を有しかつ上記
カム手段に一体はまたは連動するように設けられ
たプーリと、該プーリの欠歯部が上記駆動ギヤに
対応して位置した状態でプーリの方向を保持する
保持手段と、上記磁気テープの正方向および逆方
向の走行方向切換えに連動して往復移動する切換
え手段と、該切換え手段に連動して、上記プーリ
が駆動ギヤに位置した状態で、上記駆動ギヤの回
転方向に応じてプーリを噛合方向に付勢する付勢
手段と、上記保持手段による上記プーリの回転保
持を解放するトリガ手段を有するテープレコー
ダ。 an actuating means capable of reciprocating between a first position and a second position; a cam means for actuating the actuating means from at least the first position to the second position; and forward and reverse running directions of the magnetic tape. A drive rotating body that rotates forward and backward in response to the rotation, a drive gear provided concentrically with the drive rotation body, a gear part that meshes with the drive gear, and a toothless part that is released from meshing, and the above-mentioned a pulley provided integrally with or in conjunction with the cam means; a holding means for holding the direction of the pulley with the toothless portion of the pulley positioned corresponding to the drive gear; and a positive direction of the magnetic tape. and a switching means that moves back and forth in conjunction with the switching of the running direction in the opposite direction, and in conjunction with the switching means, the pulley is moved in the meshing direction according to the rotating direction of the driving gear with the pulley positioned on the drive gear. A tape recorder comprising: a biasing means for biasing the pulley; and a trigger means for releasing the rotational holding of the pulley by the holding means.