CN1069267C - Printer for telltale clock - Google Patents

Abstract

The present invention compacts the whole of a printer by miniaturizing a printing solenoid to incorporate the same in a cup wheel-shaped type-member in a close contact state without being obstructed by a rotary shaft. A rotary shaft is inserted in the central parts of cup wheel- shaped type-members and iron cores, having coils wound therearound are attached to the rotary shaft and movable frames attracted when the iron cores are excited to slide in one direction are attached to the peripheral parts of the iron cores and the hammer heads operating the type elements of the cup wheel-shaped type- members externally for the purpose of printing are provided to the movable frames.

Description

Printer for telltale clock

The present invention relates to attendance time is printed on the technical field of the telltale clock on the time card, relate in particular to and use the printer for telltale clock of plain cup wheel type type body as print-member.

The printing device of traditional use on telltale clock, the use type wheel of Japanese Utility Model bulletin 1979-40086 communique announcement or the mint-mark word formula of beating of lettering percussion hammer are arranged, the belt type formula of the use belt type that the open 1992-40368 communique of Japanese Utility Model discloses, and Japanese patent of invention is announced the print type of the use dot printer of 1988-62029 communique announcement and so on printer.

In addition on the one hand, utilizing after telltale clock carries out moment record, will be according to the record that is printed on the time card, change the data of turning out for work of remembering into each one, carry out various calculating such as wage, so do not allow wrong, especially require clear eye-catching, in addition, because its environment for use major part is in the indoor place of office or company, so require lettering sound quiet as far as possible, and requirement has economy, can provide telltale clock with suitable cost, in addition, require to adapt to various requirement for text type.

Above-mentioned type wheel of traditional use or lettering percussion hammer beat formula printing device at quarter, because use type, so possess the advantage that reads easily, and its shortcoming is to carry out lettering to being formed on literal such as numeral fixing on the lettering wheel face and mark, and because lettering order and print position depend on the formation position of type, so numeral and mark etc. can not independent assortments, carve typewriting because be to use percussion hammer to beat again, so the percussive sounds during lettering is very noisy, can cause harmful effect etc. to environment.

In addition, the above-mentioned percussive sounds of type belt-type printing device when lettering is very little, undisturbedly lettering, and its shortcoming is that type is for the formation position of belt and certain in proper order, so can not freely show during lettering, again because use belt, so have the variety of issue of permanance deterioration.

And above-mentioned print type printing device, especially dot printer, because it is different with type, be to utilize the set of point to form literal, so clear eye-catching and read easily aspect not as type, in addition, quality then must be increased near type count, can make the structure of hardware, software two aspects become very complicated, can have influence on the cost of telltale clock.

The applicant successfully uses plain cup wheel type type body to replace traditional printing device as printer for telltale clock recently, and its overall volume is little in light weight, and lettering sound is very little, and the lettering control program is fairly simple, and the simple structure cost is low.

About above-mentioned plain cup wheel type type body, shown in Japanese Utility Model bulletin 1985-9015 communique and open 1985-12237 communique of Japanese patent of invention or Japanese patent of invention bulletin 1989-15383 communique etc., its structure is to be formed with type at the top ends lateral surface of each spoke sheet (fingers) that integral body forms the type body of approximate cup-shaped colyliform, utilize percussion hammer that these spoke sheets are got to exterior circumferential from the inboard successively, with this with each type be pressed to lettering with on the paper to beat the mint-mark word.

But, above-mentioned traditional plain cup wheel type type body, shown in Japanese Utility Model bulletin 1985-9015 communique and Japanese patent of invention bulletin 1989-15383 communique, compare with the type body, the type body with so that lettering is bigger with the solenoid volume that percussion hammer moves, and is mounted to the state that reaches the type external body, so can not be made very compactly, thereby make the printing device overall volume huge, the lettering part of the small and exquisite telltale clock of volume of packing into is just very difficult.

In addition, it with the turning axle center, install on the printing device of 2 plain cup wheel type type bodies thereon down, because the relation of turning axle, can not lettering be combined to each plain cup wheel type type body inside with solenoid up and down with tightlock status, consequently solenoid reaches outside the type body, thereby printing device integral body is maximized more, and profile is not good.

Thereby, the objective of the invention is to make lettering solenoid miniaturization, make this solenoid at the inner tightlock status that can not hinder turning axle that forms of plain cup wheel type type body, so that a kind of miniaturization printer for telltale clock that can be installed to telltale clock inside at an easy rate to be provided.

The present invention is as described below in order to the technical scheme that realizes above-mentioned purpose.

A kind of printer for telltale clock, it is to use plain cup wheel type type body as inker type body, this plain cup wheel type type body is to make radial a plurality of spoke sheet be bent into approximate right angle to the inside, so that whole formation is similar to cup-shaped, be provided with the type element at these spoke sheet top ends lateral surfaces, its characteristics are

(1) be used for making the turning axle of above-mentioned type body rotation to run through the center of type body, around this turning axle, be equipped with and be positioned at by the shell of above-mentioned each spoke sheet encirclement and the iron core of the coil of reeling, and, be provided with at this iron core periphery and be directed device guiding and can be facing to the movable framework that moves as vertical direction unshakable in one's determination, mode that should iron core with double team is equipped with when unshakable in one's determination when excitatory in one of movable framework side, the iron plate that promptly is subjected to its attraction and movable framework is moved, be equipped with in the movable other side of framework and along with moving of movable framework above-mentioned spoke sheet got the outside and the type element to be printed on lettering hammer head on the time card of insertion, also be equipped with movable framework is applied flexible return spring, so that therewith get back to original start position when the demagnetization unshakable in one's determination because of the excitatory movable framework that laterally moves of iron core.

(2) in 2 plain cup wheel type type bodies up and down that the special look lettering of being equipped with up and down of turning axle is used and common look lettering is used, form the state that faces one another up and down, each plain cup wheel type type body is separately installed with unshakable in one's determination and movable framework simultaneously, this iron core is wound with coil, this movable framework can be directed the device guiding and move, and in the one side iron plate that is attracted by excitatory iron core is housed, and the lettering hammer head is installed in an other side

(3) the iron plate outer end that is installed in movable framework one side reaches the yoke outside that covers coil, when demagnetization unshakable in one's determination, because the elasticity of return spring is therewith got back to movable framework and is made above-mentioned iron plate outer end reach the original start position in the yoke outside.

(4) shape that is shaped as can the be free relative chimeric approximate V word of section of the portion that is adsorbed of the adsorption section by the excitatory iron core that adsorbs the iron plate on the movable framework and this iron plate.

(5) utilize return spring and to get back to the path of movable framework of origin-location terminal partly in demagnetization along with iron core, be provided with the resilience absorbing barrier of the approximate chevron shape of section, impact when being used for absorbing movable framework collision, simultaneously, identical with this absorbing barrier with the movable framework back side of this absorbing barrier collision, section is approximate chevron shape.

Be not difficult to find out, behind the employing such scheme, can reach goal of the invention, and produce Expected Results, specify as follows:

Scheme according to above-mentioned (1), be used for making the turning axle of plain cup wheel type type body rotation itself that iron core and the coil that constitutes solenoid is installed, and, the movable framework that can be free to slide is installed around this iron core, in this movable framework one side iron plate (pure iron) is installed, in an other side hammer head is installed, unshakable in one's determination excitatory when iron plate is attracted when utilizing, movable framework just slides, this hammer head is got the outside to carry out lettering with the spoke sheet of plain cup wheel type type body, because constitute in this manner, can be combined to plain cup wheel type type body inside so comprise the lettering of unshakable in one's determination and coil with tightlock status with solenoid, and can not hinder turning axle, therefore can make the printing device integral miniaturization, the telltale clock inside of can packing at an easy rate.

Scheme according to above-mentioned (2), when printing device is that 2 groups of plain cup wheel type type bodies with 2 looks conversions usefulness are mounted to when facing one another up and down, each plain cup wheel type type body inside about can being combined to solenoid with the lettering that tightlock status will include unshakable in one's determination and coil respectively equally, even so use the 2 looks conversion printing device of 2 groups of plain cup wheel type type bodies, also can make the device integral miniaturization, in the telltale clock of can packing at an easy rate.

Scheme according to above-mentioned (3), utilize the excitatory movable framework that makes hammer head carry out the lettering action unshakable in one's determination when demagnetization unshakable in one's determination, to get back to original start position automatically owing to the elastic reaction of return spring, simultaneously, when getting back to this start position, because the iron plate outer end that is installed on the movable framework reaches outside the yoke of coil, so when iron core is excitatory, its attractive force does not have the negative interaction towards foreign side, and have only all effects of direction to the inside, movable framework is correctly slided to the lettering direction.

Scheme according to above-mentioned (4), because make the inner peripheral surface of outer peripheral face unshakable in one's determination and iron plate form the shape of the approximate V word of section that can be chimeric mutually, so the attractive force at initial stage is very big, movable framework is suitably slided to the lettering direction, can positively utilize hammer head that the spoke sheet is got.

Scheme according to above-mentioned (5), utilize the resilience absorbing barrier to prevent the resilience of movable framework, the secondary that can prevent the type element is got, be each spoke sheet simultaneously with hammer head top collision plain cup wheel type type body, so can not make the type body produce unexpected rotation, therefore can positively prevent to cause the lettering failure owing to the resilience of movable framework.

Therefore as mentioned above, utilize such scheme can solve above-mentioned technical problem, eliminate the problem of above-mentioned conventional art.

The simple declaration of accompanying drawing:

Fig. 1 has been to use the outside drawing of the telltale clock of printing device one embodiment of the present invention.

Fig. 2 is the explanation in-built broken section front view of telltale clock shown in Figure 1.

Fig. 3 is the amplification front section view of printing device major part of the present invention.

Fig. 4 cuts off along Fig. 3 A-A line, the cut-open view of state when being used for representing wait lettering of the present invention.

Fig. 5 cuts off along Fig. 3 A-A line, the cut-open view of state when being used for representing lettering of the present invention.

Fig. 6 is the key diagram that the expression magnetic line of force when excitatory unshakable in one's determination flows.

Fig. 7 is when making iron plate medial margin (adsorption plane) form section to be V word shape and the line chart that compared of traditional stroke and relation of inhaling work power when plane.

Fig. 8 is the explanation front section view of 2 sections plain cup wheel type type body structures up and down.

Fig. 9 is the calcspar of explanation electrical construction of the present invention.

Describe the preferred embodiment of the printer for telltale clock of the invention described above in detail below in conjunction with accompanying drawing.

Fig. 1 is the outside drawing of telltale clock one example of implementing the present invention's printing device, 1 expression telltale clock among the figure, 1a is the insertion mouth of time card TM, 2 ... be to be horizontally arranged in the diligent selected configuration switch of holding concurrently of turning out for work/move back that inserts mouthful 1a front, 2a is provided in a side of these switches 2 ... the sign of this switching function of expression of front, the 3rd, the display of the various data of demonstration, 18T is a clock.

Fig. 2 is the above-mentioned telltale clock 1 in-built broken section front view of explanation, in the figure, 4 and the 4S card that is provided in a side of above-mentioned insertion mouth 1a inboard detect connecting rod and card detecting sensor, 1b, card guide about 1b is, be used for guiding the time card TM that inserts mouthful 1a, the 6th, roller shaft, utilize left and right sides bearing 6a, 6b is configured to parallel with the transverse direction along card path, and 6R is that the card that is loaded on this roller shaft 6 transports roller, and 5M is that card transmits motor, in case the sensor 4S card detection time TM, it is promptly started working.

In addition, 5W is mounted in the worm screw that above-mentioned card transmits the driving shaft on the motor 5M, this worm screw 5W and the worm gear 6W engagement that is installed on above-mentioned rollers axle 6, the rotation that is used for card is transmitted motor 5M is communicated to roller shaft 6, making card transport roller 6R is rotated, and the time card TM that will insert mouthful 1a between this roller 6R and follower rollers (not shown) introduces, and discharge transport in, utilize scrambler 6S detection to be installed in of the rotation of the scrambler on these roller shaft 6 tops with disk 6T, detecting the amount that card send roller 6R delivery time card TM, thus can control card transport.

In addition, the 7th, card lower end detecting sensor, be used for reading the breach Ma that is formed at above-mentioned time card TM lower end, with judge card just/reverse side, time card TM just/when reverse side inserts mouthful 1a reciprocally, utilize the detection of this sensor 7, on display 3, show to have unusually, and make the work of warning horn (not shown) to arouse attention.

In addition, 1T is provided in a side of the fixed frame of telltale clock 1 inside, at this framework 1T above-mentioned left and right sides card guide 1b is installed, 1b, roller shaft 6, each sensor 4S, 6S, 7 and motor 5M.

At above-mentioned Fig. 2, in Fig. 3 as the major part enlarged drawing, with symbol 8 expression inker integral body, be used for printing off attendance time etc. in the lettering hurdle of the time card TM that is sent here by above-mentioned left and right sides card guide guiding respectively, this inker constitutes with following each member.

Promptly, 9T is a leading axle among the figure, be located at the installing plate 1Ta about said fixing framework 1T, between the 1Tb, around this leading axle 9T, be formed with spiral helicine guiding cam ditch, make this leading axle 9T when rotation when type is traversing with step motor 9M, the carriage 9 that is installed in leading axle 9T just to the left and right direction laterally move.

In addition, 10 are mounted in the upper shell above the above-mentioned carriage 9, the 11st, vertical turning axle that rotates freely that is provided with, be located at the enclosure that is covered by this upper shell 10,11M is the selection step motor of type, is installed in the bottom side of carriage 9,11b is a pinion, be installed on the driving shaft 11a of this motor 11M, be installed in linked gear 11c and this pinion 11b engagement of above-mentioned turning axle 11, be used for the rotation of said motor 11M is communicated to this turning axle 11.

Same, in Fig. 2 and Fig. 3, symbol 12 and 15 is represented the plain cup wheel type type body of hypomere and epimere respectively, the pars intermedia that is fixed on above-mentioned turning axle 11 becomes up and down and faces one another, be positioned at shell outside the above-mentioned upper shell 10, these type bodies 12 and 15 as shown in Figure 8, use metal sheet (spring material) respectively, at the rounded portions 12c of central authorities and the surrounding edge of 15c, punching out goes out radial a plurality of spoke sheet 12b ... and 15b ... and be bent into approximate right angle according to above-below direction to the inside respectively, make its whole plain cup wheel type that is similar to that forms, simultaneously at each spoke sheet 12b ... and 15b ... top ends outwards is equipped with by date and time with the necessary type element 12a that constitutes with literal etc. in numeral and week ... and 15a ..., in addition, as shown in Figure 3, the inner embedding has corrector loop 13 and 16.

In addition, in Fig. 3,11e stretches out the detecting device of setting in above-mentioned linked gear 11c bottom surface, 11b is a sensor, it is by detecting the origin position that this detecting device 11e detects the horizontal rotatio direction of these two plain cup wheel type type bodies 12 and 15,12R and 15R are ink rollers, rotated by type element 12a and 15a on one side, one side is coated on common look (black) and special look (redness) printing ink each type element 12a of each plain cup wheel type type body 12 and 15 ... and 15a ... on, 12Ra and 15Ra are its turning axle, 10T is the isolated intermediate base seat board that is used for making each plain cup wheel type type body 12 and 15, and 9N represents the auxiliary guide shaft of carriage 9.

In addition, in Fig. 2,9Sa stretches out the detecting device that is arranged on the carriage 9, and 9S is a sensor, by detecting this detecting device 9Sa, detects this carriage 9, i.e. the origin position of plain cup wheel type type body 12 and 15 horizontal moving direction, 15 expression printed base plates.

Below will be according to above-mentioned Fig. 3 with along the cut-open view of Fig. 3 A-A line, i.e. Fig. 4 and Fig. 5 describe in detail as the lettering of major part of the present invention structure with electromagnetic spool device.

Fig. 4 represents the state that lettering etc. is bide one's time, and the state when Fig. 5 represents lettering in these accompanying drawings, for simplicity, marks up and down the structure of 2 groups of letterings with electromagnetic spool devices with both sides' symbol separately on same drawing.

In above-mentioned Fig. 3 to Fig. 5,18 and 19 are mounted in the downside of above-mentioned turning axle 11 and 2 groups of iron cores of upside, in each unshakable in one's determination 18 and 19 lower end side and upper end side, with the state that is positioned at above-mentioned plain cup wheel type type body 12 and 15 shells spool 14a, the 17a that is wound with coil 14,17 respectively is installed, and yoke 14Y, 17Y cover each coil 14,17 the outside is to avoid making magnetic flux run away to the outside.

In addition, 20 and 21 is to be installed in the bottom surface of above-mentioned intermediate base seat board 10T and the top movable framework of the plastic cement system that is free to slide respectively, the integral body of these movable frameworks 20,21 manufactures the shaped as frame shape, be provided with big hole in central authorities and be used for making the iron core 18 that is installed in above-mentioned turning axle 11,19 part is inserted, and the bottom surface of intermediate base seat board 10T and above be formed with the sliding conductor 21X of left and right directions respectively, 21X, be used for making each movable framework 20,21 left and right directions on drawing promptly slide facing to turning axle 11 rectangular directions.

In addition, at movable framework 20 and 21, run through the mode of the turning axle of central authorities with double team, on one side (right side on the drawing) and the bottom surface the approximate semi-moon shaped iron plate 22 that utilizes pure iron to make is installed, 23 (armatures), in addition, on the top of an other side, make hammer head 20H, 21H stretches out, through to each solenoid energising, promptly carry out excitatory to unshakable in one's determination 18,19, just attract above-mentioned iron plate 22,23, make movable framework 20,21 integral body slide into left (state from Fig. 4 to Fig. 5) on the drawing, along with this movable framework 20,21 slip, above-mentioned hammer head 20H, 21H are just as shown in Figure 3, with each plain cup wheel type type body 12,15 type element 12a, 15a extrudes to foreign side, and the lettering face of the time card T that inserts along platen PT is carried out lettering.

In addition, the 10Tb of 10Ta be the bottom surface of above-mentioned intermediate base seat board 10T and above the above-mentioned hammer head 20H that stretches out, the guide that 21H uses, 20S and 21S are return springs, respectively between each guide 10Ta, 10Tb is arranged at each movable framework 20 with stretching out, 21 tying sheet 20a, between the 21a, this return spring 20S, 21S utilize elastic reaction to make because unshakable in one's determination 18,19 excitatory (ON) and be attracted the movable framework 20 of the state that is moved into Fig. 5,21 when 18,19 demagnetizations unshakable in one's determination (OFF), get back to original start position shown in Figure 4.

In addition, 23T among the figure ... it is rivet, be used for above-mentioned iron plate 22,23 are fixed on the movable framework 20,21 22a, 23a is above-mentioned each iron plate 22, lateral margin within 23 (being adsorbed face), its flat shape are and the concentrically ringed circular shape of 18,19 formation unshakable in one's determination, its section forms the shape of approximate V word as shown in Figure 3, adsorption plane 18a in order to the iron core 18,19 that adsorbs this iron plate 22,23,19a also manufactures the ditch of section for approximate V word shape equally, because this both sides' section shape, can increase unshakable in one's determination 18,19 initial stage attractive forces when excitatory.

In addition, Fig. 7 is a line chart, to medial margin 22a with iron plate 22,23, when 23a causes section to be V word shape as the present invention, and the stroke when making medial margin become the plane and the relation of attractive force as traditional iron plate XT compare.

In addition, the 21Y among the figure, 21Y are the resilience absorbing barriers, be located at intermediate base seat board 10T the bottom surface and above, connect above-mentioned sliding conductor 21X, 21X, section is similar to the chevron shape, these resilience absorbing barriers 21Y, 21Y, for because of above-mentioned return spring 20S, the elastic reaction of 21S and get back to the rearward end back side 20b of the movable framework 20,21 of origin-location, 21b and its collision also stop when mobile, do not make movable framework 20,21 resilience takes place, and forms the chevron shape of approximate W word shape, to disperse the power of Return-ing direction, in addition, the back side 20b of above-mentioned movable framework 20,21,21b also form the chevron shape of approximate W word shape, so that with this resilience absorbing barrier 21Y, 21Y coincide.

In addition, in the present invention, at the back side of above-mentioned movable framework 20,21 20b, 21b respectively with resilience absorbing barrier 21Y, the state that 21Y coincide and stops, that is, and at movable framework 20, state during 21 starting, iron plate 22,23 outer ends that are installed in each movable framework 20,21 as shown in Figure 4, than covering above-mentioned coil 14, each yoke 14Y in 17 outsides, 17Y periphery (right side on the drawing) is more laterally stretched out, when unshakable in one's determination 18,19 when excitatory, make for the attractive force of iron plate 22,23 all only inwardly side (left among Fig. 4 to) work, therefore can prevent the negative interaction of attractive force to foreign side.

In addition, flowing of magnetic line of force when Fig. 6 represents to make unshakable in one's determination 19 excitatory (ON) through energising, in the figure, 19S is the perforation cave of turning axle 11 usefulness, the present invention can also be on intermediate base seat board 10T or either party of bottom surface 1 group of plain cup wheel type type body is set, utilize 1 group of solenoid as shown in the figure to carry out the lettering action, be combined in the telltale clock 1 as monochromatic lettering formula printing device and use.

Fig. 9 is a calcspar, be used for illustrating the electrical construction of the invention described above, in the figure, 20 and 21 is CPU and storeies of the heart among the formation control part, between them, be connected to interface circuit 23 via bus-bar 22, this interface circuit 23 is connected with the diligent selected configuration switch 2 of holding concurrently of above-mentioned turning out for work/move back ... display 3, card detecting sensor 4S, card transmits motor 5M, scrambler 6S, card lower end detecting sensor 7, type laterally move and use step motor 9M, the horizontal mobile origin position sensor 9S of type, type selects to use step motor 11M, type origin position sensor 11d, and black lettering solenoid (coil 14) and red with lettering solenoid (coil 17), in addition, also be connected with clock circuit 18, control according to the system program that is stored in storer 21 in order to send reference clock signal.

Because the present invention constitutes according to aforesaid way, so when card detecting sensor 4S detects the insertion of time card TM, card transmits motor 5M and just is rotated, card transports roller 6R and begins transporting of card, Once you begin transport, card lower end detecting sensor 7 detects being formed at having or not of time card TM lower edge breach Ma immediately, with judge its just/reverse side, when pros and cons is correct, just make card transmit motor 5M rotation according to the program that is stored in storer 21, and utilize coding transducer 6S to detect its rotation amount, i.e. card upwards of movement, amenable to process is transported to this time card TM the lettering fragment position of this day simultaneously.

When above-mentioned card transports when being over, type laterally moves the just rotation with step motor 9M, make leading axle 9T rotation, according to the program that is stored in storer 21, stencil set 8 is moved laterally to beat the quarter person to put with the lettering field that selector switch 2 determines, the appointment lettering field that is time card TM is put, then, according to the program that is stored in storer 21, sequentially repeating type selects with the plain cup wheel type type body 12 of step motor 11M and 15 control rotation and lettering solenoid, be the ON/OFF of coil 14 or 17, the attendance data that will include date or present moment etc., one by one with black or red lettering with the appointment lettering hurdle of the selected time card TM of above-mentioned switch 2 (for example turn out for work hurdle or move back diligent hurdle etc.).

When this kind printing ending, the program according to storer 21 is reversed card transmission motor 5M equally, and utilization is transported roller 6R time card TM is sent back to an insertion mouthful 1a, so 1 lettering circulation has promptly come to an end.

In addition, in the present invention, because employed structure is to make each plain cup wheel type type body 12 and 15 as the lettering solenoid that carries out the lettering action, especially supplying type body 12,15 turning axles 11 that insert itself are equipped with volume and have scratched coil 14,17 iron core 18,19, and, at this iron core 18,19 periphery is provided with and is directed device 21X, and 21X guides and can face toward the movable framework 20 that iron core 18,19 moves as vertical direction, 21, along with unshakable in one's determination 18,19 excitatory, attract to be installed in movable framework 20, the iron plate 22 of one of 21 sides, 23, so that movable framework 20,21 slides, utilize hammer head 20H, 21H is with the type element 12a of plain cup wheel type type body 12,15, and 15a releases foreign side, so that time card TM is carried out lettering, can be combined to plain cup wheel type type body 12,15 inside with tightlock status so constitute whole members of these lettering solenoids, therefore can make inker 8 integral miniaturization.

In addition, in the present invention, because unshakable in one's determination 18,19 demagnetization (OFF) utilizes return spring 20S, 21S and get back to the movable framework 20 of start position, the 21st, with iron plate 22,23 rearward end are positioned at yoke 14Y, stop during the state in the 17Y outside, so at its back core 18,19 during by excitatory (ON), its attractive force all to the inside direction work, movable frame frame 20,21 is positively slided, 20H between percussion hammer, 21H can be forcefully with type element 12a, and 15a releases to foreign side, positively to carry out lettering.

In addition, in the present invention, be installed in movable framework 20 because make, the medial margin 22a of the iron plate 22,23 on 21,23a, with iron core 18 with its absorption, 19 the face that is adsorbed 18a, 19a form the approximate V word shape of section respectively, make mutually and coincide, so unshakable in one's determination 18,19 initial stage attractive forces when excitatory are very big, and movable frame frame 20,21 is more successfully slided, in addition, behind lettering, utilize return spring 20S, when 21S makes movable framework 20,21 get back to the start position, because resilience absorbing barrier 21Y, 21Y has absorbed the impact that collision causes, and prevents the resilience of movable framework 20,21, so can prevent hammer head 20H, two degree of 21H hit, and prevent the accident rotation of plain cup wheel type type body 12,15.

In addition, the lettering electromagnetic spool device of downside and upside in the present invention, promptly, coil 14 and 17, yoke 14Y and 17Y, unshakable in one's determination 18 and 19, movable framework 20 and 21, and iron plate 22 and 23, all, construct identical as above-mentioned each plain cup wheel type type body 12 and 15, and all be the use that faces one another up and down, so do not need to make different member up and down, therefore, can make 2 look change type printing devices more simply and with low cost.

As mentioned above, according to printer for telltale clock of the present invention, make lettering all be housed in the shell of plain cup wheel type type body with tightlock status because be with solenoid integral body, so inker integral body can miniaturization, the narrow inside of telltale clock is easy to pack into, in addition, because the excitatory movable framework that hammer head is installed that can make unshakable in one's determination is very slick and sly and positively carry out lettering and slide, so available smaller consumption electric power lettering, has economy, and can prevent because two degree that the resilience of movable framework causes hit and the accident rotation of type body, can carry out correct lettering all the time, and can with turning axle be inserted into inner state will be up and down 2 groups of plain cup wheel type type bodies and lettering make up with electromagnetic spool device, so 2 look conversion can also manufacture miniaturization with printing device integral body, be unprecedented printer for telltale clock.

Claims (5)

1. printer for telltale clock, it is to use plain cup wheel type type body as inker type body, described plain cup wheel type type body is to make radial a plurality of spoke sheet be bent into approximate right angle to the inside, so that whole formation is similar to ring-type, be provided with the type element at described spoke sheet top ends lateral surface; It is characterized in that,

Be used for making the turning axle of described type body rotation to run through the center of type body, around this turning axle, be equipped with and be positioned at by the shell of described each spoke sheet encirclement and the iron core of the coil of reeling, and, be provided with the movable framework that is directed device guiding and can moves as vertical direction facing to described iron core at described periphery unshakable in one's determination, mode with the described iron core of double team is equipped with when described iron core is excitatory in one of described movable framework side, the iron plate that promptly is subjected to its attraction and described movable framework is moved, be equipped with in the other side of described movable framework and along with moving of described movable framework described spoke sheet got the outside and the type element to be printed on lettering hammer head on the time card of insertion, in addition on the one hand, be equipped with described movable framework is applied flexible return spring, be used for making because described iron core excitatory and horizontal mobile described movable framework are therewith got back to original start position when described demagnetization unshakable in one's determination.

2. printer for telltale clock according to claim 1, it is characterized in that, at 2 plain cup wheel type type bodies up and down that the special look lettering of being equipped with up and down of described turning axle is used and common look lettering is used, form the state that faces one another up and down, each plain cup wheel type type body is separately installed with unshakable in one's determination and movable framework simultaneously, described iron core is wound with coil, described movable framework can be directed the device guiding and move, and in the one side iron plate that is attracted by excitatory iron core is housed, the lettering hammer head then is installed in an other side.

3. according to each described printer for telltale clock in claim 1 or 2, it is characterized in that, the described iron plate outer end that is installed in described movable framework one side reaches the yoke outside that covers described coil, when described demagnetization unshakable in one's determination, because the elastic force of return spring is therewith got back to described movable framework and is made described iron plate outer end reach the original start position in the described yoke outside.

4. according to each described printer for telltale clock in claim 1 or 2, it is characterized in that the shape that is shaped as can the be free relative chimeric approximate V word of section of the adsorption section by the excitatory described iron core that adsorbs the described iron plate on the described movable framework and the portion that is adsorbed of described iron plate.

5. according to each described printer for telltale clock in claim 1 or 2, it is characterized in that, utilize return spring and the path end portion of getting back to the described movable framework of origin-location in demagnetization along with described iron core, be provided with the resilience absorbing barrier of the approximate chevron shape of section, impact when being used for absorbing described movable framework collision, simultaneously, identical with described absorbing barrier with the described movable framework back side of described absorbing barrier collision, section is approximate chevron shape.

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