CN1054934C - Magnetic tape driving device - Google Patents
Magnetic tape driving device Download PDFInfo
- Publication number
- CN1054934C CN1054934C CN94119389A CN94119389A CN1054934C CN 1054934 C CN1054934 C CN 1054934C CN 94119389 A CN94119389 A CN 94119389A CN 94119389 A CN94119389 A CN 94119389A CN 1054934 C CN1054934 C CN 1054934C
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- CN
- China
- Prior art keywords
- slide plate
- driving wheel
- card casket
- idle pulley
- drive
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- 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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Abstract
The present invention relates to a magnetic tape driving device. The device comprises a machine base, a driving wheel driven by a motor and an idle wheel, wherein the driving wheel and the motor are arranged on a first slide plate, the idle wheel is arranged a second slide plate parallel with the first slide plate, and the first slide plate and the second slide plate can relatively slide back and forth and in parallel. A spring device exerts pressure on the driving wheel, the driving wheel is abutted on the idle wheel, the idle wheel contacts a magnetic tape driving wheel with appropriate pressure, and a magnetic tape is driven to be operated.
Description
The present invention relates to a kind of drive, be meant a kind of driving wheel that utilizes in the idle pulley driver card casket especially, to drive the drive of tape.
The friction force of commonly using of utilizing driving wheel drives in the drive of tape, and type of drive commonly used can be divided into haply:
1., the flat belt kind of drive, the 2. odontoid belt kind of drive, 3. motor direct drive mode, and 4. idler drive system.
Wherein, be simple structure with the main advantage of mode of flat belt transmission driving wheel, with low cost, but during its transmission, belt skids easily to cause and produces idle running, is not a kind of desirable kind of drive therefore.Though and the kind of drive of odontoid belt can solve the untrue puzzlement of flat belt transmission, it must adopt the odontoid belt and the belt pulley of special requirement, thereby its cost relatively improves.
Though and it is with low cost and transmission is also comparatively certain directly to drive the mode of driving wheel with motor, but because the motor volume is considerably big, and there is sizable difficulty the position that motor will be installed in very close driving wheel, thereby the difficulty that has caused the magnetic tape station overall space to arrange, and the also more aforementioned kind of drive of its shared volume is big.
As for the type of drive of idle pulley because it is to be provided with idle pulley between the power output wheel of motor and magnetic tape drive wheel more, therefore its can to reach transmission as the direct kind of drive certain, the effect that cost is low, but also the difficult puzzlement of spatial configuration that has solved the direct kind of drive.But in order to idle pulley to be installed, the structure of the device of members such as driving wheel, motor is all considerably complicated with the gear train institute of the idle pulley kind of drive for existing this kind, and assembling is difficult for, thereby has caused the puzzlement in the maintenance.
Purpose of the present invention is providing a kind of simple structure, the drive that transmission is certain.
Another object of the present invention is providing a kind of height modularity, and the assembling maintenance is easy to drive.
Another purpose of the present invention is providing a kind of with low cost, saves the drive in space.
The objective of the invention is to reach as follows:
A kind of drive in order to drive a tape that is placed in the card casket, comprises a support; Accept the driving wheel of motor driven rotation always; One can insert in this support when arriving the location in above-mentioned card casket, simultaneously with this driving wheel and this card casket in tape and the idle pulley that is in contact with one another of driving wheel, it is characterized in that: this driving wheel and motor apparatus are in first slide plate that can reciprocatingly slide along the parallel direction of the direction of inserting this support with this card casket; And
One is equiped with second slide plate of idle pulley, be to reciprocatingly slide along the direction parallel with the slide plate direction of this first slide plate, be installed in this card casket when being inserted into above-mentioned location for this idle pulley, can be simultaneously and this driving wheel block the driving wheel of casket and the position of contact with tape with this;
One spring assembly is can apply a pressure on this driving wheel, and when making this card casket be inserted into above-mentioned location, this driving wheel keeps pressing on this idle pulley and forcing this idle pulley to put forth effort to be contacted with this tape and this driving wheel with suitable pressure;
After this card casket withdrawed from, this spring assembly drives this first slide plate and driving wheel arrives its initial dead-centre position of moving;
The sliding stroke of this second slide plate is greater than the sliding stroke of this first slide plate, so that after this first slide plate and driving wheel be returned to the initial dead-centre position of motion, this second slide plate still had nargin sliding back and forth.
Purpose of the present invention can also following mode reach:
Described drive is characterized in that: this first and second slide plate is provided with a plurality of parallel chutes of direction that insert this support with this card casket; This support is provided with a plurality of pilot pins, and this pilot pin one end inserts in each chute of this first and second slide plate, and is provided with and limits this first and second slide plate, the stop means that it only can be slided along the direction parallel with this card casket direction of insertion.
Described drive is characterized in that: the stop means of this pilot pin is to be arranged at the annular groove that this respectively engages with the edge of this first and second each chute of slide plate on this pilot pin.
Described drive is characterized in that: the initiating terminal of each chute has opening or the perforate of passing through for this pilot pin respectively on this first, second slide plate.
The invention has the advantages that: ask for an interview Fig. 2 and drive unit of the present invention shown in Figure 3 when card casket 60 inserts supports 10, the driving wheel 62 of this card casket 60 idle pulley 50 of can conflicting earlier, and this idle pulley 50 is promoted backward.After this idle pulley contacted this driving wheel 41, this driving wheel 41 also and then moved with motor 40.At this moment, also and then be stretched because the slide plate 20 of device motor 40 and driving wheel 41 is pushed rearward moving cause by this spring 18.After card casket 60 arrives positioning states shown in Figure 3, the pulling force of this spring 18 just forces this driving wheel 41 to keep being pressed on the idle pulley 50, make this idle pulley 50 put forth effort to be pressed on tape 61 and the driving wheel 62 jointly, therefore make this idle pulley 50 to drive this tape 61 with these driving wheel 62 cooperations with suitable pressure.
After this card casket 60 withdrawed from support, this idle pulley 50 became the state that can freely move back and forth again with driving wheel 41, therefore made to be brought back to action reference position (as shown in Figure 2) by spring 18 again with slide plate 30 by this slide plate 20.After this slide plate 20 and slide plate 30 arrive the action reference position,, therefore make this idle pulley 50 not to be under pressure, thereby can increase the life-span of its use because this slide plate 30 still has nargin sliding back and forth.
The present invention is by the combination of above device, motor 40, driving wheel 41, and idle pulley 50 can be by this slide plate 20,30 are installed on this support 10, during its dismounting, need only be with this slide plate 20,30 directly promote backward, make this slide plate 20, each chute on 30 and the pilot pin 11 on this support 10,12,13,14 break away from, just can be with said motor 40, driving wheel 41, idle pulley 50 is together with slide plate 20,30 disassemble, fully need tool using, this kind modular structure is not only constructed very simple, and disassembly and assembly are all very easy, therefore make drive unit of the present invention with low cost, the certain and easy advantage of maintenance loading and unloading of transmission.
Below with a preferred embodiment and cooperate correlative type to be described as follows.
Graphic explanation:
Fig. 1 is the entire combination stereographic map of invention.
Fig. 2 is a structure vertical view of the present invention, in order to disclose the state of drive unit of the present invention when the card casket is not inserted into the location or withdraws from.
Fig. 3 is the vertical view of structure of the present invention, in order to disclose the state of drive unit of the present invention when the card casket inserts the arrival location.
Fig. 4 is the local amplification stereogram of drive unit of the present invention.
Fig. 5 is the three-dimensional exploded view of first slide plate of motor of the present invention and driving wheel and this motor of device and driving wheel.
Fig. 6 is the three-dimensional exploded view of second slide plate of idle pulley of the present invention and this idle pulley of device.
See also Fig. 1, Fig. 2, and shown in Figure 3, the present invention mainly is on a tape support 10, utilize two slide plates 20,30 of pilot pin 11,12,13,14 devices, and on this slide plate 20, install CD-ROM drive motor 40 and driving wheel 41, and one idle pulley 50 is arranged in these slide plate 30 devices.After card casket 60 was inserted into the location along the slot of this magnetic tape station 10, this idle pulley 50 just contact with driving wheel 41 with the driving wheel 62 of card casket 60 simultaneously, and made it keep suitable pressure to put forth effort by the pressure of spring.Wherein should block among the casket 60, have a driving wheel 62, and be to contact with this idle pulley 50, and make it can be subjected to this idle pulley 50 driven in rotation, and then drive the magnetic head 15 (as shown in Figure 3) that tape 61 moves through magnetic tape station.And after this card casket 60 withdraws from this support 10, be to be separated from each other (as shown in Figure 2) between this idle pulley 50 and the driving wheel 41, damage behind the idle pulley 50 long-term pressurizeds avoiding.
As shown in Figure 4, motor 40 of the present invention is to be installed on the slide plate 20 with driving wheel 41, and idle pulley 50 then is installed on the slide plate 30, and these two slide plates 20,30 are installed on this support 10 by 4 pilot pins 11,12,13,14 again.Respectively respectively be carved with upper and lower two road annular grooves 16,17 on this pilot pin, the width of this annular groove 16,17 is the thickness that is slightly larger than slide plate 20,30, therefore makes this slide plate 20,30 be arranged in slidably in this annular groove 16,17.
As shown in Figure 5, be to be the device mode of motor 40 of the present invention with driving wheel 41, this motor 40 is to utilize screw 45,46 locking modes to be installed on this slide plate 20 belows.These slide plate 20 central authorities are provided with a hole 21, so that be fixed in the top that driving wheel 41 on the axle center of this motor 40 can pass this slide plate 20.This motor 40 one of contacts side and has a fixed head 42 with this slide plate 20, these fixed head 42 2 sides have a flange 43,44, and each extends to be provided with screw 431,441 in this flange 43,44, and the position of these slide plate 20 relative these screws 431,441 respectively is provided with a screw 22,23 with thread then.And then utilize two- screw 45,46 to pass this screw 431,441, and lock in screw 22,23, and fixed head 42 is locked in this slide plate 20 belows, so just this motor 40 can be fixed on the slide plate 20 with driving wheel 41.
Have 4 on this slide plate 20 and insert the parallel chute 24,25,26,27 of direction of supports 10 with this card casket 60.Respectively the position of this chute is corresponding with the position of this pilot pin 11,12,13,14 respectively, and its width is between the external diameter of the groover rot diameter of the annular groove 17 of this pilot pin below respectively and pilot pin 11,12,13,14, so can be arranged in slidably among this annular groove 17.Simultaneously, chute 24,25 front ends in these slide plate 20 the place aheads are to be opening, and the place ahead of the chute 26,27 of its rear end also respectively offers the perforate 261,271 of a diameter greater than these pilot pin 13,14 diameters, therefore make this pilot pin 11,12,13,14 to aim at the respectively below annular groove 17 of this pilot pin by the front openings of chute 24,25,26,27, snap in and slide, or to break away from annular groove 17 on this pilot pin respectively.
By above-mentioned structure, can make this slide plate 20 very convenient and promptly to load onto or to unload.And can slide with the direction parallel with the direction of insertion of this card casket 60.In addition, be connected with an extension spring 18 (asking for an interview Fig. 2, Fig. 3 and shown in Figure 4) between one side of this slide plate 20 and the base plate of this support 10, pulling force by this spring 18, be to make this slide plate 20 remain on as shown in Figure 2 the initial dead-centre position of action at any time, and the bottom land of its chute 24,25,26,27 is kept respectively and pilot pin 11,12,13,14 state of contact; And after card casket 60 is inserted into the location of support 10, the driving wheel 62 that this idle pulley 50 is blocked casket 60 compresses and pushes against backward when this driving wheel 41, this driving wheel 41 can keep certain contact pressure with this idle pulley 50, and makes this idle pulley 50 and tape 61 and driving wheel 62 keep suitable pressure to put forth effort.
As shown in Figure 6, be installation method for this idle pulley 50.This idle pulley 50 is to be loaded on slidingly back and forth on this support 10 blocking casket 60 direction of insertion along this by the parallel slide plate 30 that is overlapped in these slide plate 20 tops.This slide plate 30 is generally to be " L " type, and is provided with a circumferential notch 31 in its position near driving wheel 41, to avoid this driving wheel 41.
These slide plate 30 front ends are provided with a hole 32 near the position of the driving wheel 62 of this card casket 60, one pivot pin 51 is to be installed in this hole 32 with the direction perpendicular to this slide plate 30 with extending upward, be arranged with a bearing 52 on this pivot pin 51 again, this bearing 52 can cooperate with the axis hole 53 of these idle pulley 50 central authorities and make this idle pulley 50 or bearing being installed on the pivot pin 51 around the mode of these pivot pin 51 rotations.Behind this pivot pin 51 and bearing 52 and idle pulley 50 fits, its end slightly protrudes from this idle pulley 50, and be provided with a groove 54 in this projection, this groove 54 fastens a spring retaining ring sheet 55 again, just can reach this idle pulley 50 is fixed in purpose on the pivot pin 51.
The front end of this slide plate 30 is provided with the identical chute 33,34 of two positions and width and this chute 24,25 corresponding to the position of slide plate 20 front end chutes 24,25, and its rear end is provided with a chute 35 corresponding to the position of the chute 27 of this slide plate 20, and be provided with a perforate 351 in the front opening of this chute 32.Also can match with the position of pilot pin 11,12,13 on this support in the front openings of this chute 33,34 and the position of this perforate 351, and the width of this chute 33,34,35 also can match with the upper end annular groove 16 of this pilot pin 11,12,14, thereby make this slide plate 30 to be installed on easily rapidly on this pilot pin 11,12,14, and be subjected to annular groove 16 restrictions of this pilot pin respectively and can reciprocatingly slide along this chute 33,34,35 with this slide plate 20 the same ground.
This slide plate 30 is to reciprocatingly slide relatively abreast with this slide plate 20 by above device mode, therefore can make this idle pulley 50 and this driving wheel 41 produce relative displacement.
As shown in Figure 3, for making this idle pulley 50 under the state that card casket 60 withdraws from, can keep released state with this driving wheel 41, therefore the sliding stroke of this slide plate 30 is the sliding strokes that are designed to be slightly larger than this slide plate 20, and make that working as this slide plate 20 is drawn to the initial dead-centre position of its motion downwards by spring 18, and make it arrive chute 24,25,26,27 bottom land is pressed on pilot pin 11,12,13, during state on 14, the chute 33 of this slide plate 30,34,35 terminal and respectively still have a segment distance between this pilot pin, therefore make this slide plate 30 still possess a little nargin that reciprocatingly slides, so that idle pulley 50 is under card casket 60 exit status and can keep released state between this driving wheel 41, and avoid this idle pulley 50 long-time pressurizeds.
In sum, the present invention can improve the shortcoming of commonly using magnetic tape station idle pulley drive unit really, and improves the use value of magnetic tape station, and the fact of promoting effect is arranged.Only above-mentioned giving an actual example only is the preferred embodiment of this case, when can not with limit its meaning, various shift design all should belong to the claim scope of applying for a patent of this case.
Claims (4)
1, a kind of drive in order to drive a tape that is placed in the card casket, comprises a support; Accept the driving wheel of motor driven rotation always; One can insert in this support when arriving the location in above-mentioned card casket, simultaneously with this driving wheel and this card casket in tape and the idle pulley that is in contact with one another of driving wheel, it is characterized in that: this driving wheel and motor apparatus are in first slide plate that can reciprocatingly slide along the parallel direction of the direction of inserting this support with this card casket; And
One is equiped with second slide plate of idle pulley, be to reciprocatingly slide along the direction parallel with the slide plate direction of this first slide plate, be installed in this card casket when being inserted into above-mentioned location for this idle pulley, can be simultaneously and this driving wheel block the driving wheel of casket and the position of contact with tape with this;
One spring assembly is can apply a pressure on this driving wheel, and when making this card casket be inserted into above-mentioned location, this driving wheel keeps pressing on this idle pulley and forcing this idle pulley to put forth effort to be contacted with this tape and this driving wheel with suitable pressure;
After this card casket withdrawed from, this spring assembly drives this first slide plate and driving wheel arrives its initial dead-centre position of moving;
The sliding stroke of this second slide plate is greater than the sliding stroke of this first slide plate, so that after this first slide plate and driving wheel be returned to the initial dead-centre position of motion, this second slide plate still had nargin sliding back and forth.
2, drive as claimed in claim 1 is characterized in that: this first and second slide plate is provided with a plurality of parallel chutes of direction that insert this support with this card casket; This support is provided with a plurality of pilot pins, and this pilot pin one end inserts in each chute of this first and second slide plate, and is provided with and limits this first and second slide plate, the stop means that it only can be slided along the direction parallel with this card casket direction of insertion.
3, drive as claimed in claim 2 is characterized in that: the stop means of this pilot pin is to be arranged at the annular groove that engages with the edge of this first and second each chute of slide plate on this each pilot pin.
4, drive as claimed in claim 3 is characterized in that: the initiating terminal of each chute has opening or the perforate of passing through for this pilot pin respectively on this first, second slide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94119389A CN1054934C (en) | 1994-12-09 | 1994-12-09 | Magnetic tape driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94119389A CN1054934C (en) | 1994-12-09 | 1994-12-09 | Magnetic tape driving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1124398A CN1124398A (en) | 1996-06-12 |
| CN1054934C true CN1054934C (en) | 2000-07-26 |
Family
ID=5039195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94119389A Expired - Fee Related CN1054934C (en) | 1994-12-09 | 1994-12-09 | Magnetic tape driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1054934C (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4931890A (en) * | 1988-08-10 | 1990-06-05 | Cousino Microloop Corporation | Tape player assembly having a capstan mounted on a pivotal plate |
| US5029028A (en) * | 1989-02-01 | 1991-07-02 | Alps Electric Co., Ltd. | Single-motor changing tape player |
| US5210664A (en) * | 1991-05-28 | 1993-05-11 | Iomega Corporation | Low profile tape drive for driving a mini-data cartridge |
| US5277352A (en) * | 1989-09-20 | 1994-01-11 | Teac Corporation | Reduced height tape driver |
-
1994
- 1994-12-09 CN CN94119389A patent/CN1054934C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4931890A (en) * | 1988-08-10 | 1990-06-05 | Cousino Microloop Corporation | Tape player assembly having a capstan mounted on a pivotal plate |
| US5029028A (en) * | 1989-02-01 | 1991-07-02 | Alps Electric Co., Ltd. | Single-motor changing tape player |
| US5277352A (en) * | 1989-09-20 | 1994-01-11 | Teac Corporation | Reduced height tape driver |
| US5210664A (en) * | 1991-05-28 | 1993-05-11 | Iomega Corporation | Low profile tape drive for driving a mini-data cartridge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1124398A (en) | 1996-06-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20000726 Termination date: 20101209 |