CN2168317Y - Automatic scotch-tape changing device for film recording tape - Google Patents

Abstract

The utility model relates to an automatic scotch-tape changing device for video tapes, which can ensure that small video tapes recorded by a camera can correctly clamp and open on a scotch-tape device so that the small video tapes can be played in a common VCR. The utility model is characterized in that a rotating shaft is arranged on one angle of a driving cover body, and the rotating shaft converts the pushing and loading actions of the driving cover body into an arced rotation, as long as users apply force to movable sides, the users can smoothly operate, when the driving cover body does not completely rotate to a closing locating point, the driving cover body alone protrudes out of one side of the automatic scotch-tape changing device to prevent the users from putting the automatic scotch-tape changing device into the VCR so that bad consequences of damaging tape bodies can not be caused.

Description

Automatic scotch-tape changing device for film recording tape

The utility model relates to the automatic conversion scotch-tape device of video tape that the video tape that video camera is shot with video-corder can be converted to the video tape that general projector can show, and is specifically related to its structural improvement.In order to do the less video tape that video camera is recorded, more accurate card is opened band on scotch-tape device, is beneficial to show on general Video Recorder.Its main element still continues the element that uses original device, it is characterized in that, establish a rotating shaft at one jiao that drives lid, make the release that drives lid go into action and transfer arc rotation to,, get final product smooth operation as long as the user forces in active side, and when the driving lid does not change the arrival location fully over to, owing to drive the side that lid itself will protrude from automatic conversion scotch-tape device, and stop the user that automatic conversion scotch-tape device is put into Video Recorder, damage the adverse consequences of belt body.

Press, at present on the market relevant for the structure that video tape conversion cassette tape function is provided, common " the automatic conversion scotch-tape device of video tape " that No. the 4994929th, United States Patent (USP) is as shown in Figure 1 arranged.This patent disclosure is a kind of can be converted to the video tape of record that video camera is reported the automatic conversion scotch-tape device of video tape of the video tape that general projector can show, offer corresponding guide groove at its body rear, to provide the driving lid that the side has tooth bar to insert knot, again in be provided with about the inboard take-up mechanism, about dial arm and card knot locating piece; When making video tape be placed in the body, by driving the line shifting of lid toward front and back, and promote take-up mechanism and about dial arm producing outside swing campaign, and then card is tied the locating piece blocking and is located about dialling arm about making and being subjected to; Or the aforementioned components shift reverse, and make take-up mechanism that the belt body of video tape is involved in harvesting; Move to reach to make video recording to have on the conversion scotch-tape device, do not need additionally to add power system, automatically finish in the time of can tying by the lid of manually packing into, though above-mentioned functions can finish that little band by video camera becomes can be by the big band of video recorder projection, the card knot locating piece of dialling arm about right is to tie the location at the card of just finishing at last that the driving lid pushes, right because user's carelessness, or do not read operation instruction in detail, will not drive lid during use fully pushes, promptly insert video recorder revolution belt body, since about dial arm and not located by card knot, be subjected to video recorder to turn round belt body again and produce the belt body pulling force, dialling the axostylus axostyle inclination of arm about making and injuring belt body is one of its shortcoming, in addition because the driving lid is to be sandwiched in front and back slip in the guide groove, the Chang Yin left and right sides application of force is uneven and retardance has some setbacks, and is its another shortcoming.

Therefore, how at make this automatic conversion scotch-tape device have about dial arm and do not block knot and finish before prevention insert the function of Video Recorder, and make the driving lid can smooth and easyly push, pull out the intended purposes of reaching for the desire solution of the utility model institute, so that the functions of use of this automatic conversion scotch-tape device is more attained complete.

The purpose of this utility model provides the automatic conversion scotch-tape device of a kind of modified video tape, and wherein the video camera less video tape system of recording a video sends in it with rotation mode, improving the mode of operation that habit formula straight line pushes, and can convenient user's smooth operation.

A purpose more of the present utility model provides the automatic conversion scotch-tape device of a kind of modified video tape, has the belt body of preventing card knot imperfect tense, and the conversion cassette tape can't be put into the cassette tape putting groove of video recorder, avoids damaging effectively to prevent belt body.

The automatic conversion scotch-tape device of modified video tape of the present utility model, the owner will be to drive a jiao of lid and establish a rotating shaft, the straight line of former driving lid is released into action become arc rotating turnover mode, as long as the user forces in active side and gets final product smooth operation, and make and drive lid when not changing over to fully, drive the side that lid itself can protrude from automatic conversion scotch-tape device, and stop the user that automatic conversion scotch-tape device is put into Video Recorder.

Fig. 1 illustrates the opening ways that conventional formula drives lid.

Fig. 2 illustrates the synoptic diagram () of the opening ways of driving lid of the present utility model.

Fig. 3 illustrates the synoptic diagram (two) of the opening ways of driving lid of the present utility model.

Fig. 4 illustrates three-dimensional exploded view of the present utility model.

Fig. 5 illustrates illustrative view of the present utility model.

Fig. 6～8 have shown that the arc of variety of way rotarily opens mode.

Referring to Fig. 2 and shown in Figure 3, this figure is the structure-improved of the automatic conversion scotch-tape device of video tape of the present utility model, system is with the linear advancement pulling off device of the driving lid of aforementioned conventional formula structure, changing into as to drive a jiao of lid is shaft fulcrum, push away, draw and make another active side rotation turnover mode, make the travel path that drives lid become arc rotating.When belt body card knot imperfect tense when not covering all-cis body location fully (promptly drive lid), because of lid still some protrude from cassette tape this is external, cause the conversion cassette tape and can't put into the cassette tape putting groove of the main shadow machine of record, use just must inspect again with drivings lid whether really wedging arrive locate after, beginning can be put into Video Recorder, can effectively prevent to injure belt body.Now cooperate diagram to enumerate a specific embodiment below, introduce structure content of the present utility model in detail and reach function and benefit.

As shown in Figure 4 and Figure 5, start principle of the present utility model and device are similar with the situation of improved original device not, are to adjust start with the side gear (bar) 51 that cooperates driving lid 5 slightly with relative positions such as driving gear 11,12 that lid 5 match, take-up mechanism 13.Mainly tie up in scotch-tape device body 2 front side pivots knot one protecgulums that can start 3, the bottom surface is combined with a bottom 4, is provided with an opening 21 above, can for little video tape 10 by on put into body 2 inside (referring to Fig. 2 and shown in Figure 3).The place ahead, left side of opening 21 is provided with an axle sleeve 24, supplies to drive the rotating shaft 52 of lid 5 in inner rotation.It is the circular arc guide groove 22 in the center of circle with axle sleeve 24 and rotating shaft 52 that the right, following orientation of opening 21 is provided with one by rear side, it is the wedging of the circular arc side gear (bar) 51 at center with rotating shaft 52 that a side that drives lid 5 can be provided, making and driving lid 5 to be central pivot point with axle sleeve 24 and rotating shaft 52, when doing fan-shaped rotation, this side gear (bar) 51 can pass in and out arc guide barrel 22 smoothly, and can be at the arc guide barrel internal shift, with opening 21 lid knot or unlatchings to body 2.A rotating shaft 25,26 is respectively established so that arm 8,9 to be provided about providing in body 2 inside in opening 21 both sides, can rotate freely, and with when driving lid 5 inside propellings, the outside of the rotating shaft 52 of its lid is provided with a cornu 53 and contacts with 81 places, below that arm 8 is dialled on a left side.When lid is pushed ahead, cornu 53 promotes the below 81 that arm 8 is dialled on a left side, affect a left side to dial arm 8 to inner rotary, driving axostylus axostyle 82 struts belt 102, the side gear (bar) 51 that drives another active side of lid 5 simultaneously also see through with its mutually wedge listen idle pulley 12, take-up mechanism 13 linked gears 11 entirely and drive the right spur gear 91 of dialling arm 9, the right arm 9 of dialling is rotated laterally.The right arm axle bar 92 of dialling struts belt 102 synchronously with the left axostylus axostyle 82 of dialling arm 8.Body 2 inner near front ends each side are provided with a pair of guide pillar 23, with provide a pair of about guide hole (61, the 71) fit of card knot locating piece 6,7 spacing, and mat extension spring S1, S2 draw spacingly, and has reach and retreat function automatically.Simultaneously, about the relative epimere of card knot locating piece 6,7, be provided with oblique surface 62,72, be locating slot 63,73 in oblique surface 62,72 back sides, and rear end face must be driven the front end of lid 5 and pushed against.Take-up mechanism 13 contains an idle gear 131 and a biography is changeed gear 132 engagements.Transmission gear 132 is provided with a belt pulley 1321, and so that a belt noose to be provided, noose is on the belt pulley 1341 on another transmission gear 134 again for this belt, and transmission gear 134 then pivot is tied on an end of clutch driving lever 135, and meshes with the tooth bar 51 that drives lid 5.The pivot of holding in addition then of clutch driving lever 135 is tied in body 2 first-class elements combination, and can be driven lid 5 and push ahead the time, makes clutch driving lever 135 and transmission gear 134 shift forward together, makes belt be lax shape, and can not drive transmission gear 132 rotations.Otherwise belt is subjected to 135 displacements of transmission gear 134 and clutch driving lever and collapses tightly, and then can drive transmission gear 132 and idle gear 131 rotatablely moves together.

When about dial arm 8,9 and be flared to the location after, driving lid 5 continues inwardly to advance, the card knot locating piece 6,7 of dialling arm 8,9 the place aheads about the leading edge 54 that drives lid 5 both sides just can ejection be located at respectively pushes away forward, makes the axostylus axostyle 82,92 of 63,73 pairs of left and right group of arms 8,9 of front end lateral border of card knot locating piece go the effect of clamping the location.Finish the little belt that video camera is used and be transformed into the big belt that Video Recorder can be play, to reach the function of automatic cassette tape conversion.Desire is taken out little belt from automatic conversion scotch-tape device, as long as according to opposite start.

In sum with as Fig. 6, Fig. 7 and shown in Figure 8, the user is not before driving lid 5 pushes fully, certainly will protrude from one side of conversion scotch-tape device because of the projection that drives lid, quite accurate because of the Video Recorder size again, put this and protrude partly and make Video Recorder not accept scotch-tape device, thereby the incident that produces the injury belt body when avoiding winding takes place.Moreover, now become rotation because of driving lid 5 by original slip, and make the user only force in movable one side, but just smooth operation, its benefit has significant improvement.

Claims (1)

1, the automatic conversion scotch-tape device of a kind of modified video tape, mainly comprise: a body (2), at its front side pivot knot one protecgulum that can start (3) of scotch-tape device body (2), its bottom surface is combined with a bottom (4), be provided with an opening (21) above it, can for little video tape (10) by on put into body (2) inside, opening (21) is provided with one and drives lid (5) in the left side, drive lid (5) and have side tooth bar (51), and on its angle, be provided with rotating shaft (52) and cornu (53), be provided with an axle sleeve (24) in the place ahead, left side of opening (21), supply to drive the rotating shaft (52) of lid (5) in inner rotation, a left side and right side at opening (21) are provided with a left side, right locating piece (6,7), axostylus axostyle (82 is arranged, 92) a left side, the right arm (8 of dialling, 9), a left side, right spindle (25,26) so that a left side to be provided, the right arm (8 of dialling, 9) can rotate freely, be provided with gear (11) on the right side of opening (21), idle pulley (12), take-up mechanism (13), this drives the side tooth bar (51) and take-up mechanism (13) and transmission gear (11 of lid, 12) match and merge to drive their and rotate, make gear promote the right arm (9) of dialling, cooperate a left side again, right locating piece (6,7) and a left side dial arm combinations such as (8); It is characterized in that: described driving lid (5) is provided with a rotating shaft (52), make the unlatching of lid, be closed into arc rotation start, being provided with one on the right, following orientation of opening (21) by rear side is the circular arc guide groove (22) in the center of circle with axle sleeve (24) and rotating shaft (52), can with rotating shaft (52) wedging of the circular arc side tooth bar (51) at center with a side that drives lid (5), is central pivot point driving lid (5) with axle sleeve (24) and rotating shaft (52), when doing fan-shaped rotation, this side tooth bar (51) can clear and coherently pass in and out arc guide barrel (22), and at the arc guide barrel internal shift, opening (21) with lid knot or unlatching body (2), driving lid (5) when inwardly advancing, the cornu 53 in the rotating shaft of this lid (52) outside contacts with the below that arm (8) is dialled on a left side, when lid is pushed ahead, cornu (53) promotes the below that arm (8) is dialled on a left side, affect a left side to dial arm (8) to inner rotary, driving axostylus axostyle (82) struts video tape, the side tooth bar (51) that drives lid (5) sees through and its idle pulley of wedging (12) mutually, take-up mechanism (13), linked gear (11) wheel and drive the right arm (9) of dialling and rotate laterally, the right arm axle bar (92) of dialling struts video tape synchronously with the left axostylus axostyle (82) of dialling arm 8, work as a left side, the right arm (8 of dialling, 9) be flared to the location after, driving lid (5) continues inwardly to advance, about being located at respectively, the leading edge ejection of driving lid (5) both sides dials arm (8,9) card in the place ahead knot locating piece (6,7) push away forward, make the front end lateral border of card knot locating piece clamp a left side, location, the right arm (8 of dialling, 9) axostylus axostyle (82,92), automatically the conversion cassette tape is transformed into the big belt that Video Recorder can be play with the little belt that video camera uses, desire is taken out little belt from automatic conversion scotch-tape device, can get final product according to opposite start, before will driving lid 5 and not pushing fully, a cornicult that drives lid arises from one side of conversion scotch-tape device, projection makes Video Recorder not accept scotch-tape device, unlikely damage belt body in the time of can avoiding winding.

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