CN2296554Y - A face priority device for two-way recorder - Google Patents
A face priority device for two-way recorder Download PDFInfo
- Publication number
- CN2296554Y CN2296554Y CN 97209818 CN97209818U CN2296554Y CN 2296554 Y CN2296554 Y CN 2296554Y CN 97209818 CN97209818 CN 97209818 CN 97209818 U CN97209818 U CN 97209818U CN 2296554 Y CN2296554 Y CN 2296554Y
- Authority
- CN
- China
- Prior art keywords
- automatic stop
- effect
- control lever
- rocking bar
- face
- 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 - Fee Related
Links
Abstract
The utility model relates to an A face priority device for a two-way recorder. A central toothed disc mill is provided with a trackway which acts on a lug boss arranged on one end of an automatic stop rocker with a central shaft, and the inner part of the central toothed disc mill is provided with a lug boss which acts on the automatic stop rocker. One side of the central toothed disc mill is provided with a friction wheel which is provided with an acting post acting on the automatic stop rocker, and the other side of the automatic stop rocker is provided with acting posts which act on cambered surface on the end part of a control rod and a rocker arm of a switching gear. The right side of the control rod is provided with a switching board acting foot which can prevent wrong operation and can move between left and right. One side of the control rod is provided with a torsion spring, and one end of the torsion spring is clamped on an acting foot of a play key. The other end of the torsion spring is penetrated in a small hole on the control rod.
Description
The utility model relates to a kind of two-way sound-track engraving apparatus A face priority device, refer to especially a kind of need not identification audiotape A, B face or movement original state, can preferentially make the two-way sound-track engraving apparatus A face priority device of A face recording to audiotape.
The movement duty of existing two-way sound-track engraving apparatus generally has three kinds: one for unidirectional, one is two-way, one is circulation continuously, and any duty no matter, the initial position of movement has only two kinds of possibilities, promptly may be to do playback or recording, perhaps do playback or recording, yet this device has following shortcoming when using at the B face at tape A face:
One, when desire is recorded to tape A face, can't recognize immediately at all whether the tape in the sound-track engraving apparatus is the A face, unless being taken out detailed inspection, tape could confirm, take a lot of work and time-consuming.
Two, this kind action of taking out and inserting can't record at tape A face immediately, causes to use and goes up very big the puzzlement.
Three, when the movement original state be playback (or recording) B face, and when needing record, promptly cause very big puzzlement to tape A face.
Fundamental purpose of the present utility model is to provide a kind of two-way sound-track engraving apparatus A face priority device, need not identification tape A, the B face, can do preferential recording to the A face automatically, and its operation is time saving and energy saving, and is simple easy.
Another purpose of the present utility model is to provide a kind of two-way sound-track engraving apparatus A face priority device, its movement mistake that can not switch when shutting down under the A surface state.
The purpose of this utility model is to realize like this, a kind of two-way sound-track engraving apparatus A face priority device promptly is provided, it comprises the centre tooth wheel disc, friction pulley, automatic stop rocking bar and control lever, described centre tooth wheel disc is provided with track, its boss with described automatic stop rocking bar one end that is provided with central shaft interacts, described centre tooth wheel disc inside establish in addition one can with the boss of described automatic stop rocking bar effect, one side of described centre tooth wheel disc is provided with described friction pulley, described friction pulley be provided with can with the effect post of described automatic stop rocking bar effect, the opposite side of described automatic stop rocking bar is provided with and the cambered surface of described control lever end and the effect post of change gear rocking arm effect, the right side of described control lever is provided with the switch boards effect pin that prevents malfunction and can make left and right displacement, one side of described control lever is provided with a torsion spring, one end of described torsion spring is fastened on the effect pin of left side play key, the other end then is arranged in the aperture on the described control lever, when tape during at the B face, described switch boards effect pin is in the right positions of releasing to the one side constraint of described control lever top, when the play key resetted, described control lever was in by described torsion spring drive and clockwise rotates, and by the effect post constraint of the cambered surface of its end to described automatic stop rocking bar, make the boss on the described automatic stop rocking bar enter the boss reach of described centre tooth wheel disc and make movement automatically switch to the position of A face.
The advantage of the utility model device is, when the initial shape of movement during at playback or recording B face, need not change to the A face and can do the recording of A face; more must not go the identification movement at tape A face or B face, make operation time saving and energy saving, easily simple; if movement is shut down under the B surface state, mistake more can not switch.
Below in conjunction with accompanying drawing, embodiment of the present utility model is described, wherein:
Fig. 1 is a floor map of the present utility model.
See also shown in Figure 1, movement normal playback of the present utility model, during recording, under the double action of centre tooth wheel disc 1 and friction pulley 2, boss 31 on the automatic stop rocking bar 3 abuts against on the inner edge surface of track 11 of centre tooth wheel disc 1 all the time, effect post 32 on the automatic stop rocking bar 3 shakes around central shaft 33, when tape moves to terminal, 21 pairs of automatic stop rocking bars 3 of effect post on the friction pulley 2 lose the constraint effect, and the reach that the boss 31 of automatic stop this moment rocking bar 3 can enter the boss 12 of centre tooth wheel disc 1, under the effect of boss 12, automatic stop rocking bar 3 clockwise rotates around central shaft 33, effect post 32 is stirred change gear Rocker arm 4 counter-clockwise swing, thereby remove constraint, realize automatic reverse change gear.
When the effect of control lever 5 is when tape is in playback of B face or recording; behind the artificial or auto stop; movement can automatically switch to the A surface state; for reaching this action; the utility model has utilized the effect of torsion spring 51; one end of torsion spring 51 is stuck on the effect pin 6 of play key; the other end then passes the aperture 52 on the control lever 5; when pressing the play key; torsion spring 51 verts counterclockwise; thereby driving control lever 5 rotates counterclockwise; this moment, the cambered surface 53 of control lever 5 ends was not had an effect with the effect post 32 of automatic stop rocking bar 3; thereby guaranteed three (unidirectional; two-way; circulation continuously) regular event of duty; when tape during at playback or recording B face; switch boards effect pin 7 is positioned at the II position; removed the constraint that E on the control lever 5 is ordered; if artificial at that time start or auto stop; the play key resets; torsion spring 51 verts clockwise; thereby driving control lever 5 clockwise rotates; thereby the cambered surface 53 of control lever 5 ends is to 32 effect of contractions of effect post of automatic rocking bar 3; the reach that makes the boss 31 on the automatic stop rocking bar 3 enter the boss 12 of centre tooth wheel disc 1; thereby make movement automatically switch to A face position; after guaranteeing that the play key stops; centre tooth wheel disc 1 still rotates; design has a delay switch; when movement is shut down under playback of A face or recording state; because switch boards effect pin 7 is positioned at the I position; fettered the trend that control lever 5 clockwise rotates; so unlikely generation switches to the malfunction of B face from the A face; the initial shape of movement of the present utility model is when playback or recording B face; need not change to the A face and can do A face recording; it more must not remove the tape A face or the B face of identification movement; only must there be the two-way sound-track engraving apparatus A of the utility model face priority device to reach; make operation time saving and energy saving; easily simple; if movement is shut down under the B surface state, mistake more can not switch.
In sum; the utility model mainly is made up of centre tooth wheel disc 1, friction pulley 2, automatic stop rocking bar 3 and control lever 5; when movement is in normal playback, recording; boss 31 on the automatic stop rocking bar 3 abuts against track 11 inner edge surfaces of centre tooth wheel disc 1 all the time; when if artificial or auto stop are arranged; control lever 5 has can make movement automatically switch to the function of A surface state, and its operating principle is as described below:
Be connected with a torsion spring 51 in the aperture on the control lever 5; torsion spring 51 other ends are connected on the effect pin 6 of play key; when pressing the play key; torsion spring 51 verts counterclockwise; thereby driving control lever 5 rotates counterclockwise; this moment, the cambered surface 53 of control lever 5 ends was not had an effect with the effect post 32 of automatic stop rocking bar 3; make that the work of playback or recording is continued to carry out; at this moment; switch boards effect pin 7 is positioned at the II position, the E point of control lever 5 is not had an effect of contraction, when artificial start or auto stop; the play key resets; torsion spring 51 verts clockwise, clockwise rotate thereby drive control lever 5, thereby the cambered surface 53 of control lever 5 ends is to 32 effect of contractions of effect post of automatic stop rocking bar 3; make the boss 31 on the automatic stop rocking bar 3 enter the reach of the boss 12 of centre tooth wheel disc 1, thereby make movement automatically switch to A face position.
Claims (1)
- A kind of two-way sound-track engraving apparatus A face priority device, it is characterized in that, it comprises the centre tooth wheel disc, friction pulley, automatic stop rocking bar and control lever, described centre tooth wheel disc is provided with track, its boss with described automatic stop rocking bar one end that is provided with central shaft interacts, described centre tooth wheel disc inside establish in addition one can with the boss of described automatic stop rocking bar effect, one side of described centre tooth wheel disc is provided with described friction pulley, described friction pulley be provided with can with the effect post of described automatic stop rocking bar effect, the opposite side of described automatic stop rocking bar is provided with and the cambered surface of described control lever end and the effect post of change gear rocking arm effect, the right side of described control lever is provided with the switch boards effect pin that prevents malfunction and can make left and right displacement, one side of described control lever is provided with a torsion spring, one end of described torsion spring is fastened on the effect pin of left side play key, the other end then is arranged in the aperture on the described control lever, when tape during at the B face, described switch boards effect pin is in the right positions of releasing to the one side constraint of described control lever top, when the play key resetted, described control lever was in by described torsion spring drive and clockwise rotates, and by the effect post constraint of the cambered surface of its end to described automatic stop rocking bar, make the boss on the described automatic stop rocking bar enter the boss reach of described central gear and make movement automatically switch to the position of A face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97209818 CN2296554Y (en) | 1997-02-20 | 1997-02-20 | A face priority device for two-way recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97209818 CN2296554Y (en) | 1997-02-20 | 1997-02-20 | A face priority device for two-way recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2296554Y true CN2296554Y (en) | 1998-11-04 |
Family
ID=33928903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97209818 Expired - Fee Related CN2296554Y (en) | 1997-02-20 | 1997-02-20 | A face priority device for two-way recorder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2296554Y (en) |
-
1997
- 1997-02-20 CN CN 97209818 patent/CN2296554Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: LIZE CO., LTD. TO: ZHONGLI CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Hongkong Kowloon Bay Lam Lok Street business center room 1001 No. 19 South representative Chen Jinshui Patentee after: Loyal Gift Company Limited Address before: Guo Lingze, representative of Taiwan City, Taipei Province Patentee before: Lize Co., Ltd. |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |