CN2478778Y - Electric stapler - Google Patents

Abstract

An electric stapler comprises a casing and a body, wherein the body is axially arranged with a transmitter, a gear wheel on the output shaft of a motor via a plurality of gear groups axially arranged on the end of the base is geared to an end gear, to be butt with an eccentric wheel through in two side axial holes of the base, another end of the base is axially connected with a fixing control wheel, the outer end flange of the eccentric wheel is sheathed with an axial hole of a connecting rod which another axial hole contains a buffer wheel, to synchronous drive a base cover on the base via the connecting rod to lift up and down, to complete staple operation. The utility model can improve transmission efficiency, improve the strength of transmission structure, and reduce the abrasion of transmitters.

Description

Electric stapler

The utility model relates to a kind of electric stapler, mean that one makes the motor turn via control circuit, and then be able to by transmission mechanism and then drive link, making the support lid is the nail pin that props up in the work pivot compacting of axle center with terminal pivot, nationality is with the intensity of effective increase transmission efficiency, lifting drive mechanism, and strengthen the steadiness and the smooth degree of binding in the operation, and can reduce the wearing and tearing of driving member simultaneously, improve the electric stapler of whole file binding effect.

Electric stapler system is by a power supply motor outputting power at present, and be transmitted to first gear by the pinion on the motor output shaft, be transmitted to second largest gear by the first gear other end again, be transmitted to the third-largest gear by the second largest gear other end again, the third-largest gear other end then is transmitted to the fourth-largest gear, the fourth-largest gear is transmitted to terminal gear again, and intermeshing each gear forms a gear train; Wherein, this end gear one lateral circle surface and its pivot distance appropriate location are provided with a fulcrum, and on this fulcrum, be arranged with a cam, rotation by terminal gear, and the cam that can drive on the fulcrum is that circular motion is made at the center with the pivot of terminal gear, electric stapler in order to the stamped nail pin set get arm, its top system is formed with the cam chair of a semicircle shape, and make the cam on the wheel of end tooth just can be placed on the cam chair, nationality is by the conflict of cam and cam chair, and producing the action that compresses and stretch, the compacting of getting arm with control is bound and is bound and post-jobly climbs away; Wherein, the transmission mechanism of getting arm is the open frame mode that utilizes cam and cam chair to replace mutually, so its actuating travel is more uncertain, and this cam is formed a free unbonded circular motion kenel by being assemblied in terminal gear, so its structural strength is relatively poor, make itself and cam chair after replacing start for a long time mutually, easily make the axle center of fulcrum produce the derivation deflection, cause the lifting travel of getting arm to be affected, not only cam easily produces the compacting distortion, and its semicircle shape cam chair also is easy to generate distortion and loses due radian, all influences its stroke, and cause the bookbinding quality to reduce, and integral body is difficult for maintain and replace; Simultaneously, this cam and cam chair, getting the start between arm, is that a kind of roll extrusion is slided and the collision kenel, so cam is caused great abrasion and damage, the main cause that causes its cam not grow service life especially; Moreover, this commonly uses the configuration design of transmission mechanism for fear of gear train, so it only can be provided with cam and cam chair member in getting arm one side, make no matter this cam is to directly act on to get arm or cam chair, all produce an one-sided stopper power, this one-sided stopper power causes the deflection of transmission easily, even easily causes the cam fulcrum and get the deflection of arm rotating shaft, causes the bad of bookbinding; Hereat, at commonly use electric stapler remain many drawbacks, demand improved necessity urgently.

The purpose of this utility model is to be to provide a kind of electric stapler, nationality is by a power motor on the support and a side some pitch wheel groups that are pivoted, make terminal gear and eccentric wheel mutually mutual connection establish, by a hexagonal axle connecting rod transmission of power is covered in support, make the binding work person of being accomplished of transmission mechanism; Its whole mechanism not only has the effect of slowing down and increasing torsion, more by the formed closed drive mechanism characteristic of each pivoting point, to strengthen the support structure bond strength of each transmission member, increase the stationarity and the smooth degree of running simultaneously, and reduce friction loss between each transmission member, obtain a preferable transmission effect and a service life.

The technical solution of the utility model is: a kind of electric stapler, comprise one by a housing section and a body portion, and this housing section comprises Zuo Gai, You Gai, protecgulum and base, and body portion is coated to be positioned in the housing section; System of this body portion comprises in a support, the frame bottom plate, in the sheath,, an internal-rib, support lid, a control circuit, a power motor and a transmission mechanism; This support system is locked on the frame bottom plate, and a sheath then was located in the support end during the support lid reached, and rotated as rotating shaft; In bottom, sheath stage casing pull down the location of pulling by the spring on the support, middle offspring sliding sleeve in a sheath inside, and in an inside install an internal-rib, the internal-rib both sides in making form the groove that can supply the pilot nail pin; Support lid front end is provided with the shell fragment of a tool guide groove, and when making the support lid be rotated down the compacting motion, the nail pin that just can drive in the shell fragment compacting downwards produces the bookbinding action, in a sheath front end top side system be subject in the guide groove on the shell fragment; But left and right caping end rear portion is provided with the briquetting of a voltage supply system, compressing the hook ring that is hubbed on the support cover back-end pivot, the hook ring front end be provided with again an ejector pin spring walk around in the guide wheel installed of a sheath front end, collude on the pushing slice of nail of a sheath inboard in being located at; This motor system is installed in the support front end, and motor is that rotation compacting swing is up and down done at the center by end pivoting after the transmission mechanism driving machine flap;

It is characterized in that:

Above-mentioned transmission mechanism is made up of a gear train, two eccentric wheels and two connecting rods; This gear train system is located in support one side in regular turn, the solid pinion of cover on the motor output shaft, be transmitted to the pinion of integrated gear interlock side in regular turn, be transmitted to the pinion of another body formed gear interlock side again, be transmitted to terminal gear wheel again, and the eccentric wheel that this canine tooth train and one is arranged in support both sides axis hole engages, support end in addition articulates a control wheel, make the connecting rod fit in eccentric wheel wheel body external end edge face and tool pivot hole, both ends, be connected with the location with it by a hexagonal axle that stretches through the support axis hole, the pivot hole of holding in addition of connecting rod is that the embedding cunning is installed with bradyseism wheel, and nationality is stretched through by a pivot and is positioned on the two side ends of support lid.

Be described further below in conjunction with the utility model embodiment and accompanying drawing thereof.

Fig. 1 is the stereoscopic constitutional diagram of the utility model embodiment electric stapler.

Fig. 2 is a present embodiment normal condition partial cut away side views.

Fig. 3 is present embodiment bookbinding state partial cut away side views.

Fig. 4, Fig. 5 are the interlock figure of present embodiment file binding and touch switch.

Fig. 6 is the assembly connection relationship figure of each member of present embodiment transmission mechanism.

See also Fig. 1 to electric stapler shown in Figure 6, mainly formed by a housing section 10 and a body portion 20; This housing section 10 comprises members such as left side lid 11, right lid 12, protecgulum 13 and base 14, makes body portion 20 be coated the location wherein; 20 in this body portion comprises in a support 21, the frame bottom plate 22, members such as 24, one internal-rib 25, support lid 26, one motor 27 and a transmission mechanism A in the sheath 23; Wherein, this support 21 is to be locked on the frame bottom plate 22,23 of a sheath was located in support 21 ends during support lid 26 reached, and can rotate as rotating shaft, in addition, in bottom, sheath 23 stage casing be subjected to the spring 2ll on the support 2I to pull down the location of pulling, in 24 be sliding sleeve in sheath 23 inside, and in 24 inside install an internal-rib 25, form can be for the groove of pilot nail pin in internal-rib 25 both sides of 24 in making, again, support covers the shell fragment 261 that 26 front ends are provided with a tool guide groove, when making support lid 26 be rotated down the compacting motion, just can drive the nail pin that props up on 24 in shell fragment 261 compacting downwards and produce the bookbinding action, and, in sheath 23 front end top sides system be subject in the guide groove on the shell fragment 261, a sheath 23 in making, in 24 and internal-rib 25 also can be subjected to support lid 26 upwards to draw to pull to do ascending motion in good time, in addition, a left side, right lid 11, but rear portion, 12 top is provided with the briquetting 15 of a voltage supply system, to compress the hook ring 262 that is hubbed on the support lid 26 back end pivotings, force hook ring 262 front ends to rotate up perk, and with in 24 rear ends break away from, the situation of 24 a pilot nail pin or eliminating bail in can pulling out, in addition, hook ring 262 front ends be provided with again an ejector pin spring 263 walk around in the guide wheel 264 installed of sheath 23 front ends, collude again on the pushing slice of nail 265 of sheath 23 inboard in being located at, this pushing slice of nail 265 is can suitably push up system nail pin to advance; Secondly, this motor 27 is to be installed in support 21 front ends, and touch bottom activation members 213 by 212 groups of the touch parts that convexedly stretches in the file binding mouth, making activation members 213 push touch switch 214 control motors 27 again starts, wherein, touch part 212 is that 215 on mat one slide plate is if it produces spinning movement, 215 on slide plate is done the forward and backward linkage adjustment by an adjustment part 216, and control touch part 212 position that conflicted by file, and motor 27 covers transmission of power on 26 in support by a transmission mechanism after starting, nationality is that rotation compacting swing is up and down done at the center with end pivoting after the driving machine flap 26, so that front end shell fragment 261 is able to the bookbinding operation that carries out of downward stamped nail pin.

The topmost improvement of present embodiment is: this transmission mechanism A cooperates eccentric wheel 40 and connecting rod 50 to form by a power motor and a gear train 30; Wherein, this gear train 30 is a side that is located in support 21 in regular turn, it comprises the solid pinion T1 of cover on motor 27 output shafts, be transmitted to the pinion T3 of integrated gear T2 interlock side in regular turn, be transmitted to the pinion T5 of another body formed gear T4 interlock side again, be transmitted to terminal gear wheel T6 again, and this gear wheel T6 system engages with an eccentric wheel 40 that is arranged in support 21 both sides axis holes 210, and its support 21 holds system to articulate a control wheel 2I7 in addition, and its eccentric wheel 40 wheel body external end edge faces, connecting rod 50 fits in system and tool pivot hole, both ends 501, be connected with the location with it by a hexagonal axle 31 that stretches through support 21 axis holes 210, and the pivot hole 501 of holding in addition of connecting rod 50 is that the embedding cunning is installed with bradyseism wheel 51, and stretch through by a pivot 52 and to be positioned on the two side ends of support lid 26, make the support lid 26 on the support 21 can be subjected to connecting rod 50 driven in synchronism and produce the lifting start, increase in order to transmission efficiency, promote drive mechanism intensity and balance, reduce the transmission member wearing and tearing.

Please consult shown in Figure 2 again, this electric stapler is when normal condition, this support lid 26 is in the extreme higher position, and nationality is by the guide groove of front end shell fragment 261, with front top be limited in the guide groove in sheath 23 upwards pull to pull and turn round the spring 211 of pulling to overcome its bottom, and protecting cover 23 in making, in 24 and internal-rib 25 all be able to tension and stagnate in lifting position, form a file binding mouth in order to its bottom.Composite closing consulted Fig. 3, after this document 60 is inserted binding hole, can compress touch part 212, make touch part 212 be able to it and slide plate 215 joints are that the axle center rotates, and make bottom conflict activation members 213 produce turn, make it just can compress touch switch 214 again and produce the action (continuous action as shown in Figure 4) of opening ON, can produce power drive by starter 27 this moment; Wherein this slide plate 215 links mutually with adjustment part 216, by the front and back position of adjusting displacement adjustment part 216, the front and back position of control slide plate 215 interlock touch parts 212, so control documents 60 compresses the degree of depth of touch part 212 by this, that is the depth location of control documents 60 bookbindings, the while does not still influence the startup function of touch switch 214; And after motor 27 starts, the gear train 30 that its outputting power is then formed by each forming gear T1-T5 in regular turn, be transmitted to both sides eccentric wheel 40 through hexagonal axle 31 again, drive eccentric wheel 40 again and produce eccentric rotary, and order about the synchronous reciprocating motion that both sides connecting rod 50 forms a similar cylinder crank, and then the support that is pivoted lid 26 pulled the decline of pulling, make the shell fragment 261 of front end produce compacting downwards, simultaneously, should in 23 and internal-rib 24 drawn by bottom spring 212 to pull to make at random flap 26 descend synchronously, and nationality is to compress the file 60 that is arranged on the nail pin generation bookbinding support that props up on 23, binding action as shown in Figure 3; At this moment, the driving of still remaining in operation of this motor 27, support lid 26 is raised up, and sheath 23 in the guide groove interlock of mat shell fragment 261, in 24 and internal-rib 25 raise up and leave file 60, make and return back to the preceding normal condition of former bookbinding, and this control wheel 217 that is positioned at connecting rod 50 1 sides is finished a circulation, just can finish the bookbinding operation of file 60 to the gauge tap on the principal vertical line road (belong to conventional construction, do not show on the figure).

See also the assembly connection relationship of each member of transmission mechanism shown in Figure 5, the mutual assembly engagement by the different gear ratios of each forming gear T1-T5 produces a deceleration effect, promotes torsion simultaneously according to this; Wherein, this end gear wheel T6 nationality one hexagonal axle 31 with transmission of power on two eccentric wheels 40 of both sides connecting rod 50 ends, make two eccentric wheels 40 can drive two connecting rods 50 and produce reciprocal lifting action, making support cover 26 both sides produces and to raise up and suppress action, so two connecting rods, 50 1 end eccentric wheels 40 reach the pin-jointed structure of holding bradyseism wheel 51 and support to cover 26 pivots in addition with the pin-jointed structure of hexagonal axle 31, can form the transferring structure of two pivoting points to pivoting point, make it except that promoting the transmission efficiency, more can increase hexagonal axle 31, eccentric wheel 40, structural strength between connecting rod 50 and support lid 26 link mutually, make transmission of power really firm more, avoid commonly using because of the bigger abrasion of tool cause easily and damage distortion, or cause slack and undisciplined and influence bookbinding quality; And, because eccentric wheel 40 and bradyseism wheel 51 can adopt soft plastic material, so can absorb the shaking force that is produced when binding blocked up file 60; Again, eccentric wheel 40 and bradyseism wheel 51 can supply dismounting and change easily, help the maintain and replace of consumptive material, keep best drive state.

Learnt by above explanation, the utlity model has following plurality of advantages:

1, can increase transmission efficiency: except the gear train that utilizes power motor produces the basic of deceleration and high torsion Outside the demand, more interconnect formed by hexagonal axle, eccentric wheel, cybernetics, connecting rod, support lid The pivot node is to pivot node transmission kenel, and transmitting more can certain and unlikely waste transmission stroke, loss transmission energy, Increase transmission efficiency.

2, promote the intensity of drive mechanism: same as above, because being mutually, each driving member system closely articulates Or be embedded in conjunction with kenel, to be abutting structure strong so its connecting structure is commonly used simple two open members, And can increase according to this binding of structure and be subjected to force intensity.

3, promote bookbinding steadiness and smooth degree: be transmitted at last the gear wheel T6 of end owing to gear train after, Be transmitted to eccentric wheel and the connecting rod of support both sides by a hexagonal axle, be transmitted to again support lid start compacting, This transmission mechanism is set up in support and support lid both sides, and only one-sided stopper appearance was commonly used in unlikely generation when it was transmitted Easily produce because of the monolateral stressed phenomenon that causes the beat distortion, even smooth degree and the product thereof of impact bookbinding action Matter so the utility model utilizes the structure of the synchronous stopper in both sides, is effectively improved the shortcoming of commonly using, and has promoted dress Order stability and smooth degree.

4, reduce abrasion: the same institute says that the utility model utilizes the binding site pin-jointed structure of closure, keeps away Having exempted to commonly use the open pressing structure of supporting easily produces serious abrasion and causes the conflict of drive mechanism uncertain And tool can effectively reduce abrasion than phenomenons such as big drive gaps; Moreover the utility model also can directly pass through Change eccentric wheel, the relevant issues that produce to solve abrasion can't be improved its mill by replacing and practise the user Consumption is brought various puzzlements.

Claims (2)

1. an electric stapler comprises one by a housing section and a body portion, and this housing section comprises Zuo Gai, You Gai, protecgulum and base, and body portion is coated to be positioned in the housing section; System of this body portion comprises in a support, the frame bottom plate, in the sheath,, an internal-rib, support lid, a control circuit, a power motor and a transmission mechanism; This support system is locked on the frame bottom plate, and a sheath then was located in the support end during the support lid reached, and rotated as rotating shaft; In bottom, sheath stage casing pull down the location of pulling by the spring on the support, middle offspring sliding sleeve in a sheath inside, and in an inside install an internal-rib, the internal-rib both sides in making form the groove that can supply the pilot nail pin; Support lid front end is provided with the shell fragment of a tool guide groove, and when making the support lid be rotated down the compacting motion, the nail pin that just can drive in the shell fragment compacting downwards produces the bookbinding action, in a sheath front end top side system be subject in the guide groove on the shell fragment; But left and right caping end rear portion is provided with the briquetting of a voltage supply system, compressing the hook ring that is hubbed on the support cover back-end pivot, the hook ring front end be provided with again an ejector pin spring walk around in the guide wheel installed of a sheath front end, collude on the pushing slice of nail of a sheath inboard in being located at; This motor system is installed in the support front end, and motor is that rotation compacting swing is up and down done at the center by end pivoting after the transmission mechanism driving machine flap;

It is characterized in that:

Above-mentioned transmission mechanism is made up of a gear train, two eccentric wheels and two connecting rods; This gear train system is located in support one side in regular turn, the solid pinion of cover on the motor output shaft, be transmitted to the pinion of integrated gear interlock side in regular turn, be transmitted to the pinion of another body formed gear interlock side again, be transmitted to terminal gear wheel again, and the eccentric wheel that this canine tooth train and one is arranged in support both sides axis hole engages, support end in addition articulates a control wheel, make the connecting rod fit in eccentric wheel wheel body external end edge face and tool pivot hole, both ends, be connected with the location with it by a hexagonal axle that stretches through the support axis hole, the pivot hole of holding in addition of connecting rod is that the embedding cunning is installed with bradyseism wheel, and nationality is stretched through by a pivot and is positioned on the two side ends of support lid.

2. electric stapler according to claim 1.It is characterized in that: the external end edge face system of this control wheel can be made as a wheel body that presents protruding or recessed paragraph.

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