CN101004933B - Brake mechanism, and media recording / playing back device possessing the brake mechanism - Google Patents
Brake mechanism, and media recording / playing back device possessing the brake mechanism Download PDFInfo
- Publication number
- CN101004933B CN101004933B CN2006100332252A CN200610033225A CN101004933B CN 101004933 B CN101004933 B CN 101004933B CN 2006100332252 A CN2006100332252 A CN 2006100332252A CN 200610033225 A CN200610033225 A CN 200610033225A CN 101004933 B CN101004933 B CN 101004933B
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- CN
- China
- Prior art keywords
- pivot part
- elastic
- arrestment mechanism
- detent
- media recording
- 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.)
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- Casings For Electric Apparatus (AREA)
Abstract
A braking mechanism is prepared for setting said braking unit on pivot unit, forming elastic unit by fixed end and free end, connecting fixed end to pivot unit and integrating said elastic unit and braking unit as well as pivot unit to be unified body.
Description
[technical field]
The present invention relates to a kind of arrestment mechanism, relate in particular to a kind of arrestment mechanism that is applied to media recording/playback equipment.
[background technology]
Recording mediums such as the tape of the inside of traditional media recording/playback equipment such as blattnerphone, VCR (Video Cassette Recorder videocassette recorder), CD (Compact Disk), DVD (Digital Versatile Disk) etc. rotation or video disc timely spline when play mode turns to stop mode can adopt arrestment mechanism usually.
With the arrestment mechanism among the VCR is example, and it generally includes brake arm, fulcrum, operating rod, volute spring and friction disc etc.Brake arm one end links to each other with volute spring one end, and the other end is then fixed a friction disc.Fulcrum is fixed on the mount pad, and is interspersed in the predetermined portions of brake arm.Operating rod also is installed in the brake arm, the distance predetermined at interval with fulcrum.A helical spring other end is fixed on the mount pad.The tape that rotates when needs is when play mode turns to rewinding or stop, and the user presses rewind key or stop key, and control device just can drive operating rod and discharge brake arm, and brake arm is swung around fulcrum under the restoring force effect of spring.Like this, friction disc just is attached on the rubbing surface of the tep reel that is wound with tape tightly, makes the tep reel rotating speed lower rapidly until stopping, and realizes braking.If tep reel is freed from on-position, control device control operating rod swing brake arm overcomes helical spring restoring force, and friction disc will leave the rubbing surface of tep reel in company with brake arm, enters brake release state.
Yet this kind arrestment mechanism need utilize control device to drive operating rod, and needs on brake arm that is connected with volute spring and the mount pad complicated hooking structure is set, and so can make the arrestment mechanism structure become complicated, and can increase assembly difficulty, when expending the millwright.
[summary of the invention]
In view of this, be necessary to provide a kind of arrestment mechanism simple in structure that has.
Also be necessary to provide a kind of media recording/playback equipment with this arrestment mechanism, this arrestment mechanism can be assembled in media recording/playback equipment quickly and easily.
A kind of arrestment mechanism comprises detent, pivot part and elastic.Detent is connected on the pivot part.Elastic comprises stiff end and free end, and stiff end is connected in pivot part.Elastic and detent, pivot part are integrally formed, and elastic is used for driving pivot part when elastic deformation takes place rotates, and then drive detent and rotate.
A kind of media recording/playback equipment comprises cover plate, housing and arrestment mechanism.Cover plate is rotatably connected to housing, and arrestment mechanism is contained in this housing.Arrestment mechanism comprises detent, pivot part and elastic.Detent is connected on this pivot part, and pivot part is fixed in the housing rotationally.Elastic comprises stiff end and free end, and stiff end is connected in described pivot part.Elastic and detent, pivot part are integrally formed, and free end is connected with housing, and elastic is used for driving pivot part when elastic deformation takes place rotates, and then drive detent and rotate.
Compared with prior art, the elastic of described arrestment mechanism and detent, pivot part are integrally formed, remove hooking structure comparatively complicated between conventional helical spring and the brake arm from, have simplified the structure of arrestment mechanism.
In described media recording/playback equipment, because the free end of elastic is set up with dependency structure movably, remove hooking structure comparatively complicated between conventional helical spring and the mount pad equally from, convenient for assembly, save man-hour.
[description of drawings]
Fig. 1 is the schematic perspective view of a preferred embodiment of media recording/playback equipment of the present invention.
Fig. 2 is the schematic perspective view after the housing of Fig. 1 media recording/playback equipment overturns.
Fig. 3 is the schematic perspective view of Fig. 1 arrestment mechanism.
[embodiment]
Media recording/the playback equipment that the present invention relates to can be video disc recording/player, VCR, disc driver or miscellaneous equipment.In follow-up embodiment, be that example is described in detail with video disc recording/player.
See also Fig. 1, the video disc recording/player 100 of a preferred embodiment of the present invention comprises cover plate 20, housing 40 and arrestment mechanism 60 (consulting Fig. 3), and cover plate 20 is rotatably connected to housing 40, and arrestment mechanism 60 is contained in the housing 40.
Cover plate 20 is convexly equipped with pressing lever 22 on housing 40 directions.Form the CD accommodating area 41 of depression on the housing 40, accommodating area 41 edges form the sidewall 42 of certain altitude because of depression.Contiguous accommodating area 41 and the position relative with pressing lever 22 are provided with on the sidewall 42 of accommodating area 41 of apical pore 43, contiguous apical pore 43 side opening 44 are set.
Please consult Fig. 2 simultaneously, be convexly equipped with fulcrum 45 and pin 46 with side opening 44 at a distance of certain distance on the housing 40 inner chamber end faces.
Please consult Fig. 3 simultaneously, arrestment mechanism 60 is made by plastic material, comprises detent 61, compression zone 62, pivot part 63 and elastic 64.Detent 61 and compression zone 62 angled settings.Detent 61 has first, second end 610,612, and first end 610 is connected on this pivot part 63, and the second end 612 is a free end, sets firmly friction disc 614 on it.Compression zone 62 has the 3rd, the 4th end 620,622 and stressed slope 624.The 3rd end 620 is fixedly connected on the pivot part 63, and stressed slope 624 is relative with apical pore 43 on the housing 40, and then corresponding with pressing lever 22 on the cover plate 20.Pivot part 63 is the ring-type cylinder, and its center is provided with mounting hole 630.
Elastic 64 has stiff end 640, free end 642.The 4th end 622 of stiff end 640 fixedly connected compression zones 62.From stiff end 640 to free end 642 successively one extend to form arc deformations 643, outwards bend the sliding part 645 that extends a segment distance along opening 644 directions of deformations 643, the end that free end 642 extends out for the sliding part 645 that continues and deviate from the stopper section that opening 644 bendings form.
Please consult Fig. 1, Fig. 2 once more, arrestment mechanism 60 is installed on the housing 40 inner chamber end faces, the second end 612 of detent 61 protrudes from side opening 42, the stressed slope 624 of compression zone 62 is relative with apical pore 43, the mounting hole 630 of pivot part 63 is sheathed on the fulcrum 45, and screws in fulcrum 45 in case pivot part 63 slippages with screw (figure does not show).Elastic 64 becomes one with whole arrestment mechanism 60, as long as push the free end 642 of elastic 64, make deformations 643 suitably can more easily free end 642 be hooked pin 46 after the distortion, and having omitted hooking structure and assembling that the conventional helical carbine is hung on mount pad and the arrestment mechanism moves, can cause and shorten man-hour, simultaneously, owing to reduce the use of this type of metalwork of volute spring, material cost can obtain reduction.
Closure flap 20, pressing lever 22 enters apical pore 43, compress the stressed slope 624 of compression zone 62, generation can overcome the rotating torque of the elastic force moment of elastic 64, deformations 643 pressurizeds produce deformation, cause recline pin 46 and producing relatively of sliding part 645 to slide, detent 61 is rotated counterclockwise around fulcrum 45 that (direction of observation with Fig. 1 is a benchmark, down together), the free end 610 of detent 61 and upward fixing friction disc 614 thereof bounce back from side opening 42, the protrusion amount of the second end 612 from side opening 42 that is detent 61 constantly diminishes), final with place accommodating area 41 in CD (scheming not show) outer peripheral edges separate, CD can freely rotate.
Open cover plate 20, pressing lever 22 breaks away from from the apical pore 43 of housing 40, under the elastic force moment loading of elastic 64, detent 61 turns clockwise around fulcrum 45, the second end 612 of detent 61 is constantly increased from side opening 42 convexity outputs, friction disc 614 fixing on the second end 612 is replaced the CD outer peripheral edges, and friction disc 614 stops operating the CD that continues to rotate according to moment of inertia with the rubbing action of CD outer peripheral edges.
Above-mentioned preferred embodiment also can be done following accommodation: pivot part 63 can be the ring-type cylinder, also can be other shape, as square cylinder; The height of pivot part 63 is changeable, even can be laminar; Pivot part 63 also can be located at the certain position on the detent; Available screw screws in fulcrum 45 in case pivot part 63 slippages, also can generation with other ways customary such as buckles; Deformations 643 can also be other shapes, as shapes such as straight line bendings except being arc.
To those skilled in the art, can technical scheme according to the present invention make other and be equal to and replace or be applied near field, and all these replacements or use and all should belong to protection scope of the present invention.
Claims (15)
1. arrestment mechanism, comprise detent, pivot part and elastic, described detent is connected on the described pivot part, it is characterized in that: described elastic comprises stiff end and free end, described stiff end is connected in described pivot part, described elastic and described detent, pivot part are integrally formed, and described elastic is used for being with when elastic deformation takes place described moving pivot part to rotate, and then drive described detent and rotate.
2. arrestment mechanism according to claim 1, it is characterized in that: described stiff end between the described free end successively one extend to form deformations, outwards bend along the opening direction of described deformations and extend the sliding part that a segment distance forms, described free end is the stopper section that described sliding part is that extend out and opening bending that deviate from described deformations forms of continuing.
3. arrestment mechanism according to claim 1 is characterized in that: described arrestment mechanism also comprises the compression zone with stressed slope, and the stiff end of described elastic is connected on the described pivot part through described compression zone.
4. arrestment mechanism according to claim 3 is characterized in that: described detent one end is provided with friction disc.
5. arrestment mechanism according to claim 3 is characterized in that: described pivot part has pivoting hole.
6. arrestment mechanism according to claim 3 is characterized in that: described pivot part is the ring-type cylinder.
7. media recording/playback equipment, comprise cover plate, housing and arrestment mechanism, described cover plate is rotatably connected to housing, described arrestment mechanism is contained in the described housing, described arrestment mechanism comprises detent, pivot part and elastic, described detent is connected on the described pivot part, described pivot part is fixed in the described housing rotationally, it is characterized in that: described elastic comprises stiff end and free end, described stiff end is connected in described pivot part, described elastic and described detent, pivot part is integrally formed, described free end is connected with described housing, described elastic is used for driving described pivot part when elastic deformation takes place rotates, and then drives described detent rotation.
8. media recording/playback equipment according to claim 7, it is characterized in that: described stiff end between the free end successively one extend to form deformations, outwards bend along the opening direction of described deformations and extend the sliding part that a segment distance forms, described free end is the stopper section that described sliding part is that extend out and opening bending that deviate from described deformations forms of continuing.
9. media recording/playback equipment according to claim 7 is characterized in that: described arrestment mechanism also comprises the compression zone with stressed slope, and the stiff end of described elastic is connected on the described pivot part through described compression zone.
10. media recording/playback equipment according to claim 9 is characterized in that: described detent one end is provided with friction disc.
11. media recording/playback equipment according to claim 9 is characterized in that: described arrestment mechanism is made by plastic material.
12. media recording/playback equipment according to claim 9 is characterized in that: described cover plate is provided with the pressing lever corresponding with the stressed slope of described compression zone.
13. media recording/playback equipment according to claim 12 is characterized in that: described housing is provided with the apical pore that wears for described pressing lever, the side opening that supplies described detent one end to wear.
14. media recording/playback equipment according to claim 13 is characterized in that: described housing inboard is convexly equipped with pin, and described pin is stuck between the sliding part and free end of described elastic.
15. media recording/playback equipment according to claim 14, it is characterized in that: described pivot part has pivoting hole, described housing inboard is convexly equipped with fulcrum, and described fulcrum is arranged in the described pivoting hole, and the screw of establishing the described pivot part of backstop is revolved at described fulcrum center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100332252A CN101004933B (en) | 2006-01-21 | 2006-01-21 | Brake mechanism, and media recording / playing back device possessing the brake mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100332252A CN101004933B (en) | 2006-01-21 | 2006-01-21 | Brake mechanism, and media recording / playing back device possessing the brake mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101004933A CN101004933A (en) | 2007-07-25 |
| CN101004933B true CN101004933B (en) | 2010-09-29 |
Family
ID=38704019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100332252A Expired - Fee Related CN101004933B (en) | 2006-01-21 | 2006-01-21 | Brake mechanism, and media recording / playing back device possessing the brake mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101004933B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003304650A (en) * | 2002-04-09 | 2003-10-24 | Nec Tokin Ceramics Corp | Motor drive |
| CN1497568A (en) * | 2002-10-12 | 2004-05-19 | 三星电子株式会社 | Reel brake assembly for tape recording/read equipment |
-
2006
- 2006-01-21 CN CN2006100332252A patent/CN101004933B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003304650A (en) * | 2002-04-09 | 2003-10-24 | Nec Tokin Ceramics Corp | Motor drive |
| CN1497568A (en) * | 2002-10-12 | 2004-05-19 | 三星电子株式会社 | Reel brake assembly for tape recording/read equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101004933A (en) | 2007-07-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hongfutai precision electronics (Yantai) Co., Ltd. Assignor: Hung Fujin Precision Industry (Shenzhen) Co., Ltd.|Hon Hai Precision Industry Co Contract record no.: 2010990000395 Denomination of invention: Brake mechanism, and media recording / playing back device possessing the brake mechanism License type: Exclusive License Open date: 20070725 Record date: 20100629 |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100929 Termination date: 20150121 |
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| EXPY | Termination of patent right or utility model |