CN1024228C - Through shaft video tape core and its adaptive tape box - Google Patents

Abstract

The invention relates to a through shaft video tape core and an adaptive tape box thereof, relating to the reform of the using mode and the compatible mode of the prior various video tape boxes. The tape core with protective tape wheel disk is small in size, light in weight, thin in thickness, convenient to post, carry and store, low in price and good in universality. The VHS, VHSC and Beta adapter cartridges may be used with the same kind of 1/2 inch bandwidth hubs and the U and Us adapter cartridges may be used with the same kind of 3/4 inch bandwidth hubs. The magnetic tape has the advantages of energy saving, material saving and branch saving.

Description

Through shaft video recording tape core and its cassette

This invention relates to a class cassette video tape dish core and loads this class dish core and is used for the cassette that various magnetic tape cassette are shot with video-corder the equipment of putting, and is specifically related to existing various cassette video tapes in use-pattern the improvement on the compatibility mode.

Over past ten years, boxlike video equipment has had great development and has popularized, from professional 3/4 inch big tape drum equipment of bandwidth U type to the little tape drum equipment of U-S, from 1/2 inch bandwidth VHS popular standard tape drum equipment to the Beta cassette equipment, to 1/2 Time Bandwidth VHS-C equipment that has now stepped into family and 8mm bandwidth equipment, all more and more be applied in the social daily life and go again.The magnetic tape cassette that these video-cassette recording equipment are used, the identical band matter of the bandwidth that has is the same, but the structure of the tape drum of packing into, profile are different, and signal record belt speed difference is as VHS magnetic tape cassette and Beta magnetic tape cassette; The bandwidth that has, band matter, signal record belt speed are the same, but the structure of the tape drum of packing into, profile are different, as VHS and VHS-C magnetic tape cassette.Along with videocassette is used in a large number, they have not been luxurious articles for use, under this developed situation, it is more and more outstanding that their common drawback just seems, particularly the tape drum volume is big, the additional wrappage manufacturing process complexity of magnetic recording active principle one tape reel core, added value height, give large quantities of High-efficient Production of video-tape, low price is sold and is caused obstacle.And the tape drum of double plate cored structure can be contained the tape volume that carries down the space and wastes too big being used for wrapping up a dish core, particularly on recording use in short-term, sometimes for recording of planting somewhat, also need to hold fully the equal-volume tape drum of length tape reel core 240 minute writing time, the U flask formula tape that big in addition 3/4 cun equipment is used can not be taken little 3/4 equipment (U-S tape drum equipment), and usefulness gets on, expensive VHS-C magnetic tape cassette need could go usefulness through a private adapter to VHS equipment, the VHS band can't be taken the VHS-C equipment usefulness that gets on conversely.In a word many effects limit the consumer field of video-tape, at home, it has often been said and afford the video recorder tape of cannot afford that this just makes the vacancy rate of video recorder too high, causes physical waste.Many deficiencies of existing videocassette, make people's production capacity can not be with tape reel core independent hope from tape drum, in CN89203614.1 and CN90216727.8 patented claim, some solutions had been proposed once, but still well not comprehensive solution subtracts volume as far as possible, the loss of weight amount, subtract thickness, can be compatible, just problem such as operation.Here it is, and the utility model faces the problem that will solve.

Task of the present utility model is, proposing to solve will be with the dish core standardization of bandwidth cassette video tape, and decompose from its former tape drum that to come out to form standardized volume as far as possible little, in light weight, the technical scheme of the independent flow-through cell of thin thickness, proposing to improve former cassette storing case can easily pack standardized dish core into, take out, and make it various tape drums of same bandwidth after the general improvement, so that same bandwidth, homogeneity dish core can keep a record in the bandwidth video recording equipment, the technical scheme of resetting can exchanged with belt speed equipment, thereby being shot with video-corder, boxlike puts the tape independent that equipment uses, miniaturization, universalization is convenient to the consumer and is selected for use, carry, collection, mailing, gift is given, reduce expenses.

The technical scheme that realizes this invention is, the various boxlike video equipment working standard pilot hole of cassette storing case, profile projected outline is constant substantially, conduction band mechanism major part is constant, former on this basis lower box body together with, device such as former guide mechanism constitutes the Base body that connects the shaft video recording tape core cassette, former upper cartridge body becomes the tape hatchcover of cassette substantially, tape drum protecting cover and tape hatchcover, be axially connected and constitute the upper cover body of cassette for one, to pack into and be used for the perforation shaft video recording tape core of boxlike video equipment in these cassettes, they comprise the strip winding axle, be fixed on two protecting band wheel discs of strip winding axle both sides and around thereon tape, on the basis of the above, the tape reel core unit that this standardization is independently circulated is characterised in that, the driving shaft of tape shaft has the axis hole of a perforation in the heart, there is not an integral, flexible bandlet collar circle time spent on the tape volume or on the protecting band wheel disc at the tape reel core, on the different sections of above-mentioned axis hole, different or identical aperture can be arranged, on hole wall, there are the key or the recessed groove of at least one protrusion to be used for driving, on the leader tape termination, outer end of tape volume, at least one hole that mounts usefulness or column or uncinus are arranged, two protecting band wheel discs are to be made by metal or plastic material, also can be to be made into integration with strip winding axle homogeneous material, on the protecting band wheel disc, have and see the band window, or have and drive the location with protruding key and hole, or have by the dress band of outer rim and crack to axial wall, the protecting band collar is that integral molded plastic is shaped or plastic sheet rolls flexible being " C " shape ribbon, its angle of circumference is spent between 720 degree 270, the inside wall of collar can have groove, and the outside wall of collar has the subsides of adhesive sticker catalog paper to put recessed district; The cassette of the tape reel core that the above-mentioned standardization of this replaceable loading is independently circulated; it is characterized in that; the tape deck of tape drum pedestal for the band cabin in be equipped with one and lay the driving tray that connects shaft video recording tape core; a vertical shaft is arranged on pallet; an actuator chamber that is opened on tray bottom surface is arranged in vertical shaft; a take-up pallet is arranged in the take-up cabin of tape deck; a strip winding vertical shaft is arranged on its card; an actuator chamber that is opened on tray bottom surface is also arranged in the strip winding vertical shaft; the tooth or key or groove or the hole that drive usefulness are arranged on the actuator chamber inwall of above-mentioned two pallets; on the vertical shaft sidewall of driving tray or the top at least one protruding key is arranged; or groove or hole; on the sidewall of the strip winding vertical shaft of take-up pallet, have the hanging hook device and be linked with slot; in the tape drum pedestal place adjacent with the tape drum over cap; by what form to slick and sly projection and depression by front and back; the tape drum lid that tape drum over cap and tape hatchcover is axially connected constitute for one face closed and when opening with pedestal; differential seat angle that lifts of compressing tape drum over cap and tape hatchcover generation is with the scratch resistant scratch resistant band mechanism that does not firmly strain tape; two kinds of situations are here arranged; a kind of tape drum pedestal and tape drum over cap before and after having on the side at pedestal at least near the zone of the overlapping vicinity in side to the cunning of arc edge protruding or slide rail or chute or sliding limit; the sliding limit of the arc edge that on the adjacent with it side of tape drum over cap, has simultaneously corresponding contact to be slidingly matched or sliding protruding or slide rail or chute; another kind of near tape drum pedestal and the positive overlapping region of tape drum over cap; having on the tape drum pedestal should have arc edge chute or slide rail or the sliding protruding or sliding limit that at least one contact is slidingly matched relatively or fall the hole after rise on the tape drum over cap of at least one or slide rail or chute protruding to the cunning of frontal arc edge; card or the dop of outwards opening elastic force are arranged on the vertical shaft sidewall of driving tray; protruding key or hole slot are arranged on the card of driving tray; on the dish outer marginal circumference of driving tray and take-up pallet, stop tooth is arranged; axle center top or cave, location, axle center or axle center pilot hole are arranged at the top of vertical shaft on pallet and strip winding vertical shaft; the protecting band dish in a band fan gap and turn hole can be housed on the end face of strip winding vertical shaft; one cover stop mechanism is arranged in the tape deck of tape drum pedestal; a mechanical linkage release-push and manual release switch are arranged on stop mechanism; on stop mechanism, there is a stop mechanism guard shield to occupy under the tape hatchcover or is revealed in outside the hatchcover; the manual release switch stretches out in outside the stop mechanism guard shield; the path channels switch that manual control also can be arranged on the tape drum pedestal, solve take the lead the perforated tray core unload band automatically.

Compared with prior art the advantage of this invention is:

1. connecting the reel core is that a kind of volume is little, in light weight, the diameter specification is many, the same bandwidth record-reproduce head core of be convenient to post, carry, gift is given, collecting that the protecting band wheel disc is arranged.This is because the dish core has adopted the structure that does not directly videoed device drives, the loaded down with trivial details various shape requirements that contact with equipment have been removed from, dish core drives structure is simplified, the thickness of dish core greatly reduces, coil the core gross thickness only about 15mm as 1/2 cun, so its volume, weight is to be smaller in the dish core with homogeneity band cloth, the diameter of the minimum of dish core is greater than driving tray vertical shaft number millimeter, maximum diameter is less than several millimeters of pallet outer rims, and can divide multiple time specification, the protecting band collar of circle in the tape outside can make the convenient circulation of dish core, be difficult for the band that looses, having again increases literal and Spanish furnish effect, and these time length are coiled core arbitrarily and are easy to can to satisfy the consumer with the characteristics that exquisite container is contained year and are used for different purposes.

2. adopt perforation reel core to be placed in the scheme that drives on the driving tray for band, make the dish core can standardization, versatility strengthens, cassette is compatible to be strengthened, or else spend VHS-C cartridge tape and the special-purpose S-VHS adapter of buying costliness such as people, only need to bribe with 1/2 inch rouleau and connect axle tape reel core, put it in the VHS-C cassette and make a video recording, after finishing, production takes out, put into the VHS cassette again, can in popular VHS videocorder, reset, when needs Beta equipment is recorded a video, put into the adaptive secondary box of Beta after this dish core can take out again and do and shoot with video-corder purposes, this interactive mode also is suitable between the U-matic and U-matic-s equipment of 3/4 cun bandwidth.

3. connect the operation of reel core and its adapter, convenient and reliable.Can be once in place in the vertical shaft of the perforation axle insertion driving tray of dish core; Dish core stop release-push makes tape dress band convenient, and must not reserve long leader tape both can make leader tape along the conduction band road through in place; Have hanging hole take the lead to be enclosed within on the hanging hook of take-up pallet, when light path switch presets blocking-up take-up cabin optical channel, can realize refunding the automatically-unhooked band that unloads; The scratch resistant band of tape drum over cap mechanism can avoid closed and when opening hatchcover to the scratch of leader tape.

4. adopt perforation reel core can save starting material and energy consumption, save consumer spending simultaneously, enlarge the video-tape consumption market, the value overwhelming majority that connects the reel core concentrates on the tape volume, except that the tape length consumption is constant, strip winding axle and protect wheel disc and compared with whole tape cassete, be easy to large-lot production, and materials are few, the tape cost greatly reduces like this, price will be to be with matter to determine the price and no longer with tape drum relation to be arranged, therefore the consumer can buy the money of 120 minutes tapes originally, now can buy the tape of length 600 minute writing time.

Below in conjunction with accompanying drawing embodiment is described

Fig. 1 is that 1/2 cun minor diameter connects shaft video recording tape core

Fig. 2 is 3/4 cun and connects shaft video recording tape core

Fig. 3 is VHS cassette and dish core wiring layout

Fig. 4 is the scratch resistant band mechanism map of VHS cassette

Fig. 5 is VHS cassette dish core stop mechanism release-push figure

Fig. 6 supplies the positive oblique view of band cabin driving tray for VHS

Fig. 7 for VHS for band cabin driving tray at the bottom of oblique view

Fig. 8 is a VHS take-up pallet wiring layout

Fig. 9 is a VHS-C cassette oblique view

Figure 10 is the scratch resistant band mechanism map of VHS-C cassette

Figure 11 is a U-matic cassette oblique view

Figure 12 is protecting band collar figure

Fig. 1 is a mini disk core, its protecting band wheel disc (2) is integrated with strip winding axle (3), collar (4) not circle on tape volume, the hole (5) that mounts band usefulness is arranged on the tape tape head, nine keys (6) that protrusion is arranged on the wall of the axis hole (1) that connects, to cooperate with key or the groove on the driving tray on the cassette, have the dress band that leads to axial wall to crack (7) protecting the wheel disc outer rim, this minor diameter dish core can be packed into and be used in the VHS-C cassette.

Fig. 2 is one 3/4 cun and connects shaft video recording tape core, protecting band wheel disc (2) riveted joint is got on, on have and see band window (8), taken the lead column (9) in order to articulate with the take-up pallet, three drive groove (10) are arranged on the wall of the axis hole of strip winding axle (1), axis hole (1) aperture, protecting band wheel disc place down below is big, and is little in aperture, upper protective belt wheel disc place, and protecting down below has the driving location that can select to use to use hole (20) on the wheel disc.

Can see tape deck on Fig. 3, guide mechanism is main tape drum pedestal (11), tape drum over cap (12) and tape hatchcover (13), and tape hatchcover (13) is axially connected with pedestal (11), and tape drum over cap and tape hatchcover are axially connected and whole interlock.In for the band cabin, a driving tray (14) of laying the tape reel core is arranged; a vertical shaft (15) is arranged on pallet; the perforation axis hole of tape reel core just in time can overlap thereon and the location; the take-up cabin has a strip winding vertical shaft (18) is arranged above the take-up pallet (17); tape drum over cap (12) is axially connected with tape hatchcover (13) and is one formation tape drum lid (19); scratch resistant band mechanism is arranged in pedestal (11) place adjacent with tape drum over cap (12) right side; one cover pallet stop mechanism (26) is arranged in tape deck; a stop mechanism guard shield (29) is arranged on it; a channel switch (33) is arranged on the right path channels of the take-up cabin of pedestal (a 11) side; whether unload band to preset control with getting rid of the unhook mode automatically; when light path is blocked; the video recorder light control system can not judge tape whether all backrush to for the band cabin in; when only taking the lead to be recovered on the dish core, could be stopped backrush by left paths perception.Guard shield on the figure (29) is to belong to the example that is revealed in the outside after the hatchcover closure.Can see axle center top (30) on the top of vertical shaft (15) and take-up vertical shaft.

This is the scratch resistant band mechanism of seeing from VHS tape drum right side for Fig. 4, the sliding limit (31) that a curved edge is arranged on the right side of tape drum protecting cover (12), simultaneously on pedestal to a cunning protruding (32) should be arranged, the tape hatchcover is with before the tape drum protecting cover is synchronously near closure, the cunning that its sliding limit contacts on the pedestal earlier is protruding, by angle of jack-up, the opening degree of protecting cover (12) is big so just can't scrape tape, after tape hatchcover (13) closure, protecting cover (12) also just falls original position after rise, and vice versa for effect when opening hatchcover.

Fig. 5 is the manual release switch detail view of VHS cassette dish core stop mechanism, hand switch (28) is relative with mechanical linkage switch (27) all to work to discharging stop machinery, here be the hand switch (28) of a key by ligulate, finger pushes stop tooth downwards on time and discharges stop.

Fig. 6 can see that the dish outer rim of driving tray (14) has stop tooth (34), the dop (35) of outwards opening elastic force is arranged on the sidewall of vertical shaft (15), its effect is that the dish core is inserted, after being placed on the pallet (14), the elastic force of opening of dop (35) forces dish core and pallet to post, do not have certain external force to draw and carry the dish core, the dish core can not take off pallet (14).

Fig. 7 looks the actuator chamber (16) of seeing driving tray (14) end of from, have 9 to drive protruding key (36) in the chamber, and the take-up pallet actuator chamber of being can't see in Fig. 8 (16) is the same with this figure.

Fig. 8, it is take-up pallet wiring layout, can see pallet (17), hanging hook (21) is arranged on the strip winding vertical shaft wall and is linked with slot (22), have one top (30) by one have fan gap (23) and the finger turn hole (24) protecting band dish (25) be fixed on strip winding vertical shaft (18) above.

The VHS-C cassette has pedestal (11) among Fig. 9; tape drum over cap (12), tape hatchcover (13); the no big difference of its driving tray (14) and VHS cassette; it is take-up pallet (17); there is not actuator chamber; and have only a rotation axocoel, stop is arranged on tray edge and drive the tooth of taking into account (37), the scratch resistant front of being with mechanism of this cassette at pedestal (11) and protecting cover (12).Pedestal (11) joins with hatchcover (13) hinge, and protecting cover (12) connects with the hatchcover axle and together opens and link.

Figure 10 is the detail view of the scratch resistant band of VHS-C cassette mechanism, a boss (38) is arranged on the top in pedestal front, in the front portion of protecting cover (12) small embossment (39) is arranged also, change mild later on, lean on the root of axle on the corresponding position of boss (38), to have one to fall hole (44) after rise at protecting cover (12), just in time hold boss (38) after the hatchcover closure, do not influence the tape drum external geometric overall dimension after they are in place.

Figure 11 is 3/4 cun big cassette of bandwidth, basic structure with aforementioned two kinds similar, the label implication is identical, the actuator chamber inwall of driving tray (14) does not have driving gear and groove, have only three holes (45), 3 protruding keys (43) are arranged on the sidewall of its vertical shaft (15), match with the standard plate core of Fig. 2.The take-up pallet is also special, does not have the chassis, and has only the upper protective belt wheel disc, and its scratch resistant mechanism that is with cooperates along one on the pedestal (11) sliding limit (41) from top to bottom with sliding protruding (40) on the protecting cover.

Figure 12 is the protecting band collar of injection-moulding plastic, nearly 360 degree of its angle of circumference, and the groove (45) that inwall has twice to embrace the protecting band wheel disc to use has the recessed district of catalog paper (42) of subsides on outer wall.

The invention adopts existing common process can produce enforcement.

Claims (10)

1, the single shaft volume perforation shaft video recording tape core that is used for boxlike video equipment in a kind of its cassette of packing into, it comprises the strip winding axle, be fixed on two protecting band wheel discs of strip winding axle both sides, around tape thereon, the driving shaft of strip winding axle has the axis hole (1) of a perforation in the heart, it is characterized in that: there is not an integral, flexible protecting band collar circle time spent on the tape volume or on the protecting band wheel disc at tape.

2, perforation shaft video recording tape core according to claim 1, it is characterized in that: on the hole wall of the axis hole (1) of strip winding axle, the key of at least one protrusion or recessed groove are arranged, at least one hole that mounts usefulness (5) or column or uncinus are arranged on leader tape termination, the outer end of tape.

3, perforation shaft video recording tape core according to claim 1 and 2, it is characterized in that: the axis hole (1) on the strip winding axle that can be run through fully by vertical shaft device has different or identical aperture on different sections, two protecting band wheel discs are to be made by metal or plastic material, also can be to be made into integration with strip winding axle homogeneous material, on the protecting band wheel disc, have and see the band window, or have and drive the location with protruding key and hole, or have the dress band that leads to axial wall by outer rim and crack.

4, perforation shaft video recording tape core according to claim 1 and 2, it is characterized in that: the protecting band collar is that integral molded plastic is shaped or plastic sheet rolls flexible being " C " shape ribbon, its angle of circumference is between 270 degree are to 720 °, the inwall of collar can have groove, and the outer wall of collar has the subsides of adhesive sticker catalog paper to put recessed district.

5; a kind of replacing loaded the cassette that the perforation shaft video recording tape core is used for boxlike video equipment; it comprises so that the tape deck for the take-up drive hole to be arranged; guide mechanism is main tape drum pedestal (11); tape drum over cap (12) and tape hatchcover (13); it is characterized in that: the tape deck of tape drum pedestal for the band cabin in be equipped with one and lay the driving tray (14) that connects shaft video recording tape core; a vertical shaft (15) is arranged on pallet; an actuator chamber (16) is arranged in vertical shaft (15); actuator chamber (16) is opened on tray bottom surface; a take-up pallet (17) is arranged in the take-up cabin of tape drum pedestal; a strip winding vertical shaft (18) is arranged on the take-up pallet; there is an actuator chamber (16) to be opened on tray bottom surface in the vertical shaft (18); in tape drum pedestal (11) and the adjacent place of tape drum over cap (12); by what form to slick and sly projection and depression by front and back; the tape drum lid (19) that tape drum over cap (12) and tape hatchcover (13) is axially connected constitute for one is closing on closedly and when opening with pedestal (11), and compressing tape drum over cap (12) and tape hatchcover (13) produce a differential seat angle that lifts with the scratch resistant scratch resistant band mechanism that does not firmly strain tape.

6, cassette according to claim 5, it is characterized in that: on the sidewall of the vertical shaft (15) of driving tray (14) or the top at least one protruding key or groove or hole are arranged, on the sidewall of the strip winding vertical shaft of take-up pallet (17), have hanging hook device (21) and be linked with slot (22), on the inwall of the actuator chamber (16) of driving tray (14) and take-up pallet (17), driving gear is arranged, or key or groove or hole.

7, according to claim 5 or 6 described cassettes, it is characterized in that: card or the dop of outwards opening elastic force are arranged on the sidewall of the vertical shaft (15) of driving tray (14), protruding key or hole slot are arranged on the card of driving tray (14), on the dish outer marginal circumference of driving tray (14) and take-up pallet (17), stop tooth is arranged, cave, location, top or axle center, axle center or axle center pilot hole are arranged at the top of vertical shaft on the pallet (15) and strip winding vertical shaft (18), and the protecting band dish (25) of a band fan gap (23) and turn hole (24) can be housed on the end face of the strip winding vertical shaft (18) of take-up pallet (17).

8, according to claim 5 or 6 described cassettes; it is characterized in that: front and back are being arranged to arc edge sliding protruding or slide rail or chute or sliding limit on the side at pedestal (11) at least near the zone of the overlapping vicinity in side at tape drum pedestal (11) and tape drum over cap (12); the sliding limit of the arc edge that on the adjacent with it side of tape drum over cap (12), has corresponding contact to be slidingly matched, or sliding protruding or slide rail or chute.

9, according to claim 5 or 6 described cassettes; it is characterized in that: near tape drum pedestal (11) and the positive overlapping region of tape drum over cap (12); at least one arc edge sliding protruding or slide rail or chute are arranged, arc edge chute or slide rail or the sliding protruding or sliding limit or the hole that should have at least one contact to be slidingly matched on the tape drum over cap (12) relatively on the tape drum pedestal (11).

10, according to claim 5 or 6 described cassettes, it is characterized in that: a cover pallet stop mechanism (26) is arranged in the tape deck of tape drum pedestal (11), a mechanical linkage release-push (27) and a manual release switch (28) are arranged on stop mechanism (26), on stop mechanism (26), there is a stop mechanism guard shield (29) to occupy under the tape hatchcover (13) or is revealed in outside the hatchcover (13), the manual release switch stretches out in guard shield (29), and the path channels switch (33) of manual control can be arranged on tape drum pedestal (11).

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