CN2238470Y - Small recorder-playback core with one-way recording function - Google Patents

Abstract

The utility model relates to a small recording-playback machine core with one-way recording function, which is characterized in that an erase head, a recording arm, a recording rod and a recording-playback switch reed are arranged on a base plate; a recording-playback magnetic head and a magnetic head slide plate are arranged on a magnetic head rack, and a commuting plate is arranged below the magnetic head slide plate. The small recording-playback machine core with the one-way recording function has the advantage that the recording function is added to a player, and the application range is expanded. Compared with the recording-playback machines, the small recorder-playback machine core with the one-way recording function has the advantages of simple structure and low cost; the tape speed is smaller than 4.76 m/s+-3%; the wow and flutter is smaller than 0.6%; the consumption electric current is smaller than 200 ma; the mechanical noise is smaller than 42 dB (A). The utility model has better adaptability to the power supply and is suitable for the small recording-playback core with the one-way recording function.

Description

A kind of small-sized recording playback machine movement with unidirectional sound-recording function

The utility model belongs to the magnetization recorded information of utilizing record carrier, particularly a kind of movement of moulding recording playback machine for a short time with unidirectional sound-recording function.

Existing small-sized walkman movement, by take-up pulley, feed wheel supporting tape cassete, by left and right pinch roller respectively with the magnetic tape pressure magnetic head, through flywheel capstan assembly, drive neutral gear by micromotor, reverse lever, interlock playback button, fast key, rewind key, stop key action, with realize playback, F.F., rewind down, stop, the automatic reverse function, the deficiency of existence is to lack sound-recording function.

The purpose of this utility model is that by set up the erasure device on the basis of original mechanism, changing former playback head is reproducers head, makes tape in the forward operational process, earlier with the tape erasure, then records required programs again, realizes the forward sound-recording function.

A kind of small-sized recording playback machine movement of the present utility model with unidirectional sound-recording function, form by substrate, take-up pulley, feed wheel, left and right pinch roller, micromotor, flywheel, neutral gear, reverse lever, playback button, fast key, rewind key, stop key, it is characterized in that, on substrate, be provided with erase head, recording arm, record bar, playback switch reed; Be provided with playback head and magnetic head slide plate on the head hold, below the magnetic head slide plate, be provided with reversing plate.

Using method of the present utility model is when record bar is depressed, to promote the magnetic head slide plate, make playback head, right pinch roller and erase head reach, make tape touch erase head, playback head and right flywheel assembly, drive each moving component through micromotor, make the tape positive movement, realize sound-recording function; At this moment, the boss that the record bar bottom is provided with withstands the center tooth wheel plate, and reverse lever is pinned, and guaranteeing can not be reverse in the forward recording process.

The utility model has the advantages that, make walkman increase sound-recording function, enlarged range of application.Existing recording playback machine, simple structure, cheap.Belt speed and error are less than 4.76m/s ± 3%; Flutter is less than 0.6%; Take-up torque: put/record greater than 25 * 10 ^-1Nm, F.F./rewinding is greater than 25 * 10 ^-1Nm; Current sinking: put/record less than 200mA, F.F./rewinding is less than 200mA; Mechanical noise is less than 42dB (A); 1000 hours mean free error time, button cycle index 7500 times.Has preferably adaptive faculty to power supply.Be applicable to small-sized recording playback machine movement with unidirectional sound-recording function.

Below in conjunction with drawings and Examples, the utility model will be further described:

Fig. 1 is a kind of structure schematic front view of the small-sized recording playback machine movement with unidirectional sound-recording function

Fig. 2 is a kind of left view of the small-sized recording playback machine movement with unidirectional sound-recording function

Fig. 3 is the A-A sectional view of Fig. 1

Fig. 4 is a kind of vertical view of the small-sized recording playback machine movement with unidirectional sound-recording function

Fig. 5 is a kind of rear view of the small-sized recording playback machine movement with unidirectional sound-recording function

As seen from the figure, a kind of small-sized recording playback machine movement with unidirectional sound-recording function, form by substrate 1, take-up pulley 2, feed wheel 3, left and right pinch roller 4,5, micromotor 6, flywheel 7, neutral gear 8, reverse lever 9, playback button 10, fast key 11, rewind key 12, stop key 13, on substrate, be provided with erase head 14, recording arm 15, record bar 16, playback switch reed 17; On head hold 18, be provided with playback head 19 and magnetic head slide plate 20, below the magnetic head slide plate, be provided with reversing plate 21.

Claims (1)

1, a kind of small-sized recording playback machine movement with unidirectional sound-recording function, form by substrate, take-up pulley, feed wheel, left and right pinch roller, micromotor, flywheel, neutral gear, reverse lever, playback button, fast key, rewind key, stop key, it is characterized in that, on substrate, be provided with erase head, recording arm, record bar, playback switch reed; On head hold, be provided with playback head and magnetic head slide plate, below the magnetic head slide plate, be provided with reversing plate.

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