CN2244239Y - Tape winding link mechanism for magnetic drum type magnetic recording device - Google Patents

Abstract

The utility model relates to a tape winding link mechanism for a magnetic drum type magnetic recording device, comprising an upper band gear wheel which is sheathed on a gear shaft of a bottom board, a first connecting rod, a second connecting rod, a third connecting rod, an inclined rod seat, wherein, one end of the first connecting rod which is a connecting rod with two joints is connected with the gear shaft of the upper band gear wheel; the second connecting rod is connected with the first connecting rod by a turret head; the third connecting rod is an elastic connecting rod with two joints; the inclined rod seat is connected with the third connecting rod by a turret head; the second connecting rod is connected with the third connecting rod by a turret head which is provided with a guide pin of the second connecting rod. The key point is that the upper band gear wheel slides in a guide groove which is arranged on the bottom board by the guide pin of the second connecting rod; when the third connecting rod is deformed, bunting tightness force is generated to a V-groove of a magnetic drum seat so that the tape can be wound on a magnetic drum easily.

Description

The strip winding linkage assembly of magnetic drum formula magnetic recording

The utility model relates to a kind of actuated element mechanism, the strip winding linkage assembly of the magnetic drum formula magnetic recording that particularly a kind of cost is low and easy to assembly.

The strip winding linkage assembly of the magnetic drum formula magnetic recording of commonly seeing, it is first years old, second and third connecting rod is all two connector links, and in being with torsion spring on sheathed one between first connecting rod and last band gear, should go up the band torsion spring and link upward band gear with an end, the other end then pushes against in first connecting rod after the precompressed, when about when going up band gear and strip winding linkage assembly and being subjected to power drive, incline pole socket along the base plate guide groove movement in moving back band, last band position, use and draw and be paperwrapped in the tape in the card casket on the magnetic drum, but the required element of this structure is more, feasible assembling is very complicated, also need take more space simultaneously.

Fundamental purpose of the present utility model is to provide a kind of element to reach the strip winding linkage assembly of magnetic drum formula magnetic recording easy to assembly less, does not install the band torsion spring on it between band gear and the first connecting rod, by this to simplify element and assembly working; Wherein third connecting rod is two connector links of a tool elasticity usefulness, advanced by the band gear driven by first and second connecting rod, and the compression third connecting rod makes it to produce antistress, and the pole socket that inclines is given in this power transmission the V-type groove is produced one push against power, also the band gear is returned in its antistress transmission of mat simultaneously, make it produce one and press work power cam so that the bar that inclines on the pole socket that inclines can be smoothly with tape by drawing in the card casket, and make it to be paperwrapped on the magnetic drum.

A time purpose of the present utility model is to provide a kind of strip winding linkage assembly of magnetic drum formula magnetic recording of compact conformation, wherein second connecting rod can be frustrated curved bar by one and substituted, make the pole socket that inclines to produce the power that pushes against with the magnetic drum seat by the second connecting rod elastic reaction, in order to substitute traditional band torsion spring.

A purpose more of the present utility model is to provide a kind of lower-cost first connecting rod and the integrally formed strip winding linkage assembly of last band gear, makes that assembling is easier.

The strip winding linkage assembly of magnetic drum formula magnetic recording of the present utility model comprises:

Be with gear on one, be sheathed on the gear shaft of base plate, have guide groove on the base plate;

One first connecting rod, it is two connector links, the one end is linked to described going up on the gear shaft of being with gear;

One second connecting rod borrows one first swivel coupling to link described first connecting rod;

One third connecting rod, it is two connector links of a tool elasticity usefulness;

One pole socket that inclines borrows the 3rd swivel coupling to link described third connecting rod, and this pole socket that inclines is provided with the pole socket pilot pin that inclines and slides in the guide groove of described base plate; Described second connecting rod borrows one second swivel coupling to link described third connecting rod; Second swivel coupling is provided with a second connecting rod pilot pin;

Wherein, describedly go up the not sheathed band torsion spring of going up between band gear and first connecting rod, the described second connecting rod pilot pin of mat slides in described guide groove, and is stressed and when producing distortion when described third connecting rod, promptly the V-shaped groove to the magnetic drum seat produces the power that pushes against, and the described band gear of going up is returned in its antistress transmission.

Described third connecting rod can be one have spring usefulness frustrate musical form two connector links.

Described third connecting rod can be a spring two connector links.

The strip winding linkage assembly of magnetic drum formula magnetic recording of the present utility model comprises:

Be with gear on one, be sheathed on the gear shaft of base plate, have guide groove on the base plate;

One first connecting rod, it is two connector links, the one end is linked to described going up on the gear shaft of being with gear;

One second connecting rod is one to have two connector links of elasticity usefulness, and mat one first swivel coupling links described first connecting rod, and a third connecting rod is one or two connector links;

One pole socket that inclines, mat the 3rd swivel coupling links described third connecting rod, and the pole socket that inclines is provided with the pole socket pilot pin that inclines and slides in the guide groove of above-mentioned base plate; Described second connecting rod borrows one second swivel coupling to link a third connecting rod, and second swivel coupling is provided with a second connecting rod pilot pin;

Wherein, when last carrier state, the described pole socket that inclines arrives the V-shaped groove of magnetic drum seat, i.e. generation is out of shape and the pole socket that inclines is more pushed against in described magnetic drum seat, also produces a reaction elastic force.

Described first connecting rod and last band gear can be one of the forming.

Description of drawings:

Fig. 1 is the position view of traditional type strip winding linkage assembly;

Fig. 2 is the textural association figure of traditional type strip winding linkage assembly;

Fig. 3 is that traditional type strip winding linkage assembly is in the synoptic diagram that moves back the band position;

Fig. 4 is that traditional type strip winding linkage assembly is in the synoptic diagram of last band position;

Fig. 5 is the structural representation of the utility model third connecting rod;

Fig. 6 is that embodiment of the present utility model () is in the synoptic diagram that moves back the band position;

Fig. 7 is that embodiment of the present utility model () is in the synoptic diagram of last band position;

Fig. 8 is that embodiment of the present utility model (two) is in the synoptic diagram that moves back the band position;

Fig. 9 is that embodiment of the present utility model (two) is in the synoptic diagram of last band position;

Figure 10 is that the utility model embodiment (three) is in the synoptic diagram that moves back the band position;

Figure 11 is that the utility model embodiment (three) is in the synoptic diagram of last band position;

Figure 12 is that the utility model embodiment (four) is in the synoptic diagram of last band position;

Reaching embodiment in conjunction with the accompanying drawings is described as follows characteristics of the present utility model:

As shown in Figure 1, it is the position view of traditional type strip winding linkage assembly, contrast the textural association figure of Fig. 2 simultaneously, these strip winding linkage assembly branch left and right sides two parts are installed on the base plate 10, wherein first connecting rod 20 and 11 devices of last band gear have band torsion spring 111 on, one end of last band torsion spring 111 links goes up band gear 11, push against after the other end precompressed in first connecting rod 20, its second connecting rod 202 links first connecting rod 20 with first swivel coupling 201, and link the pole socket 30 that inclines with second swivel coupling 203, and the 3rd swivel coupling 205, incline pole socket pilot pin 302 and second swivel coupling 203 that incline on the pole socket 30 all are embedded in the base plate guide groove 101, by this when motor 50 driven wheel strings 501 make it about interlock on two band gear 11 and strip winding linkage assembly, about incline pole socket 30 promptly along base plate guide groove 101 in moving back band, the motion of last band position is (as Fig. 3, shown in Figure 4), and the incline bar 301 of mat on it will block tapes 304 in the casket 305 and lead to and be with the position, and be paperwrapped on the magnetic drum 303, the incline this moment guide wheel location division 306 of pole socket 30 promptly contacts the pole socket location division 307 of inclining of magnetic drum seat 100, incline pole socket 30 and linkage assembly are fettered and stop motion, go up band gear 11 simultaneously and continue revolution one θ angle, increase torsional capacity to drive band torsion spring 111, the pole socket 30 that inclines is pushed against in magnetic drum seat 100.

As mentioned above, in traditional type strip winding linkage assembly, band gear 11 parts comprise three-decker on it, must be via the following step during assembling:

1, sheathed first connecting rod 20 on the gear shaft 112 of base plate 10;

2, sheathed again going up is with torsion spring 111, and the one end is pushed against first connecting rod 20;

3, sheathed going up is with gear 11, and will go up band torsion spring 11 other ends and fix with it;

4, on left and right two, be with 11 pairs of positive phases of gear;

Owing to the tired lock of tool three-decker assembling, and because of middle elastic force effect of going up band torsion spring 111, band gear 11 reaches positive phase is difficult for performing in the assembling.

Fig. 5 is the third connecting rod structural representation of present embodiment, as a among the figure be a tool elasticity usefulness frustrate musical form (Buckling Type) two connector links 406, figure b is torsion spring type (Torsional Type) two connector links 407 of a tool elasticity usefulness, figure c then is compressed spring type (Compressing Type) two connector links 408, in order to replace the third connecting rod of traditional type, when two connector link stress deformations of above-mentioned arbitrary tool elasticity usefulness, promptly produce an antistress, also this antistress is passed to the pole socket 30 that inclines simultaneously, make the 30 pairs of V-type grooves of pole socket that incline produce one and push against power (this big I that pushes against power is directly got by the size of design spring link), and two connector links of above-mentioned tool elasticity usefulness also can return its antistress transmission band gear 11, making it produce a pressure to cam 60 puts forth effort, when waiting to move back band, last band gear 11 is that this pressure of mat puts forth effort to take advantage of a situation in the engaging-in cam 60, freely long until this alternative spring link answer, drive the pole socket 30 that inclines again and return.

The embodiment of Fig. 6 (one) is in the synoptic diagram that moves back the band position for another example, wherein first connecting rod 40 and 11 of last band gears need not band torsion spring 111 on sheathed, and first connecting rod 40 is formed in one with last band gear 11, and its second connecting rod 400 links with first swivel coupling 401 and first connecting rod 40, with second swivel coupling 401 link substitute third connecting rod frustrate musical form (Buckling Type) two connector links 406, and be embedded in the base plate guide groove 101 with the second connecting rod pilot pin, this is frustrated musical form two connector links and then links the pole socket 30 that inclines with the 3rd swivel coupling 404, by the second connecting rod pilot pin, the 3rd swivel coupling 404 and the pole socket pilot pin 302 that inclines move along base plate guide groove 101, when linkage assembly in moving back band when finishing, wherein the A of the second swivel coupling 402 o'clock B point to the 3rd swivel coupling 404 is an air line distance L, in last band process, the bar 301 that inclines only is subjected to the tension force effect of tape 304, this tension force end reaches critical force, so be not enough to frustrate Qu Zuoyong to frustrating the generation of musical form (Buckling Type) two connector links, draw and be paperwrapped on the magnetic drum 303 by blocking in the casket 305 simultaneously and with tape 304, V-type groove (as shown in Figure 7) on the pole socket 30 arrival magnetic drum seats 100 that incline, this B point is promptly fixing, also be rotated further and go up band gear 11, make the axial force between A point and B point surpass critical force, cause and frustrate song, this moment the A point, the distance that B is ordered is less than L, and cause reaction elastic force, make the pole socket 30 that inclines produce the power that push against of being scheduled to by this with 100 of magnetic drum seats.

By above-mentioned structure of the present utility model as can be known, installation steps of band gear 11 are on it:

1, sheathed first connecting rod 20 on the gear shaft 112 of base plate 10;

2, the sheathed band gear 11 of going up;

3, to positive phase;

Get rid of the influence of going up band torsion spring 111 during assembling, install easily, and have only two-layer structure, save the space, assembling rapidly.Because no longer utilizing to go up is with torsion spring 111, first connecting rod 20 does not have relative motion with the revolution synchronously of last band gear 11 again, therefore can the two is integrally formed, and make it become single component, installation will be easier.

As shown in Figure 8, it is that the utility model embodiment (two) is in the synoptic diagram that moves back the band position, wherein this third connecting rod is torsion spring type (Torsional Type) two connector links 407 of a tool elasticity usefulness, simultaneously and the embodiment (two) that contrasts Fig. 9 in the synoptic diagram of last band position, torsion spring type two connector links 407 that should substitute third connecting rod engage the second connecting rod pilot pin with spring spire 405, and this pilot pin is embedded in the base plate guide groove 101, when linkage assembly by moving back band position desire when upwards being with the position motion, torsion spring type two connector links 407 also do not stress and are non-loaded free state, and treat that band mode is when finishing, the V-type groove that the pole socket 30 that inclines is promptly supporting on the magnetic drum seat 100 no longer moves, but last band gear 11 still continues revolution one θ angle, first, second swivel coupling 401,402 is stressed being rotated further, therefore these torsion spring type two connector links 407 promptly are compressed, produce an antistress, the pole socket 30 that inclines is pushed against in magnetic drum seat 100, torsion spring type two connector links 407 also are passed to this antistress band gear 11 simultaneously, make it produce a pressure to cam 60 and put forth effort; When moving back when band, on to be with gear 11 be that this pressure of mat is puted forth effort, taking advantage of a situation engages in the cam 60, treats that torsion spring type two connector links 407 reply drifts, drives the pole socket 30 that inclines again and returns.

Figure 10, Figure 11 moves back band for embodiment of the present utility model (three), the synoptic diagram of last band position, wherein substitute the third connecting rod of traditional type with compressed spring type (Compressing Type) two connector links 408 of a tool elasticity usefulness, when linkage assembly upwards is with position when motion by moving back the band position, compressed spring type two connector links 408 do not stress, its length is drift, after the pole socket 30 that inclines reaches the band position and contacts with magnetic drum seat 100, promptly go up when being with mode to finish, this i.e. no longer motion of seat 30 of inclining, continue revolution one θ angle and go up band gear 11, make compressed spring type two connector links 408 be compressed, this compression promptly produces an antistress, and make that pole socket 30 and 100 the predetermined power that push against of generation of magnetic drum seat of inclining, this big I that pushes against power are directly determined by the size of design spring link; This antistress also can be passed band gear 11 back and presses and put forth effort cam 60 is produced one simultaneously, when waiting to move back band, on to be with gear 11 be that this pressure of mat puts forth effort to engage in the cam 60, and drive the pole socket 30 that inclines and return.

As shown in figure 12, it is that embodiment of the present utility model (four) is in the synoptic diagram of last band position, wherein frustrate musical form two connector links 408 except that the third connecting rod of alternative traditional type, also can be in order to substitute second connecting rod, its operating principle as hereinbefore, by the elasticity usefulness of frustrating musical form two connector links 408, make incline pole socket 30 and 100 predetermined power that push against of generation of magnetic drum seat.

By the above, the utlity model has as can be known following effect:

1, in the simplification with the element of linkage;

2, improve the convenience of assembling;

3, reduce cost;

4, alleviate because of traditional loss and need to improve load with torsion spring torsion.

Comprehensively the above the utlity model has stronger practicality when knowing.

Claims (5)

1, a kind of strip winding linkage assembly of magnetic drum formula magnetic recording comprises: band gear and first, second and third connecting rod on one is characterized in that:

The described band gear of going up is sheathed on the gear shaft of base plate, has guide groove on the base plate;

Described first connecting rod is two connector links, and the one end is linked to described going up on the gear shaft of being with gear;

Described second connecting rod borrows one first swivel coupling to link described first connecting rod;

Described third connecting rod, it is two connector links of a tool elasticity usefulness;

Also comprise the pole socket that inclines;

The described pole socket that inclines borrows the 3rd swivel coupling to link described third connecting rod, and this pole socket that inclines is provided with the pole socket pilot pin that inclines and slides in the guide groove of described base plate; Described second connecting rod borrows one second swivel coupling to link described third connecting rod; Second swivel coupling is provided with a second connecting rod pilot pin;

Wherein, describedly go up the not sheathed band torsion spring of going up between band gear and first connecting rod, the described second connecting rod pilot pin of mat slides in described guide groove, and is stressed and when producing distortion when described third connecting rod, promptly the V-shaped groove to the magnetic drum seat produces the power that pushes against, and the described band gear of going up is returned in its antistress transmission.

2, the strip winding linkage assembly of magnetic drum formula magnetic recording according to claim 1 is characterized in that, described third connecting rod be one have spring usefulness frustrate musical form two connector links.

3, the strip winding linkage assembly of magnetic drum formula magnetic recording according to claim 1 is characterized in that, described third connecting rod is a spring two connector links.

4, a kind of strip winding linkage assembly of magnetic drum formula magnetic recording comprises: band gear and first, second and third connecting rod on one is characterized in that:

The described band geared sleeve of going up is located on the gear shaft of base plate, has guide groove on the base plate;

Described first connecting rod, it is two connector links, the one end is linked to described going up on the gear shaft of being with gear;

Described second connecting rod is one to have two connector links of elasticity usefulness, and mat one first swivel coupling links described first connecting rod, and a third connecting rod is one or two connector links;

Also comprise the pole socket that inclines;

The described pole socket that inclines, mat the 3rd swivel coupling links described third connecting rod, and the pole socket that inclines is provided with the pole socket pilot pin that inclines and slides in the guide groove of above-mentioned base plate; Described second connecting rod borrows one second swivel coupling to link a third connecting rod, and second swivel coupling is provided with a second connecting rod pilot pin;

Wherein, when last carrier state, the described pole socket that inclines arrives the V-shaped groove of magnetic drum seat, i.e. generation is out of shape and the pole socket that inclines is more pushed against in described magnetic drum seat, also produces a reaction elastic force.

According to the strip winding linkage assembly of claim 1 or 2 or 3 described magnetic drum formula magnetic recordings, it is characterized in that 5, described first connecting rod and last band gear are one of the forming.

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