CN203438190U - Electric stapler - Google Patents

Abstract

The utility model provides an electric stapler, belongs to the technical field of machinery, and solves the problem of higher production cost of electric staplers. The electric stapler comprises a casing with an inside cavity, wherein a motor, a microswitch for controlling starting and stopping of the motor, a bottom plate provided with a knife edge, a knife rest provided with a blade and a staple channel are arranged in the casing; a paper placing port where the knife edge is located is formed in the front end of the casing, a switch hinged with the inner side wall is arranged in the casing; one end of the switch is located at the paper placing port, and the side part of the other end of the switch is propped against a button arranged at the side part of the microswitch; a driving gear driven by the motor is arranged between the microswitch and the motor, and a protruded press column located above the knife rest is arranged on one side of the driving gear and propped against the upper side of the knife rest in the rotation process of the driving gear; and a rotating wheel driven by the driving gear is arranged in the casing, and a notch used for accommodating the button at the side part of the microswitch is formed in the outer edge of the rotating wheel. The electric stapler has the advantages of low production cost, capability of accuracy control of working stroke and the like.

Description

A kind of electric stapler

Technical field

The utility model belongs to field of mechanical technique, relates to a kind of stapler, relates in particular to a kind of electric stapler.

Background technology

Stapler is people's requisite instruments when learning and handling official business, and while especially handling official business, file is generally all sheet-fed, is easy to be scattered, therefore need to be with stapler, they are stapled.Existing stapler is mostly manual stapler, needs in use manual operation to carry out nailing to paper, when paper is more and when thicker, manually nailing just needs very large strength.

The problem existing in order to solve manual stapler, people have designed electric stapler, and existing electric stapler generally has Vidacare corp, nail groove, brad punch and knife rest, by Vidacare corp, drives nail groove, and then act on brad punch, thereby realize the function of nailing.

As Chinese patent discloses a kind of stapler [application number: 200920264843.7; Notification number: CN201573394U], it comprises upper shell, lower house, nail pressing mechanism, transmission mechanism, handle and ON-OFF control circuit plate, upper shell and lower house are hinged, nail pressing mechanism is arranged between upper shell and lower house, transmission mechanism and ON-OFF control circuit plate are arranged in lower house, transmission mechanism is electrically connected to ON-OFF control circuit plate, handle is arranged on lower house, handle contacts with ON-OFF control circuit plate, it also comprises connecting rod and release-push, connecting rod is separately positioned on the both sides of transmission mechanism, and the upper end of connecting rod is connected with nail pressing mechanism.This stapler is realized the function of electronic nailing by ON-OFF control circuit plate, it is time saving and energy saving to operate.

But above-mentioned stapler also exists some shortcomings part.This stapler is controlled by ON-OFF control circuit plate, not only owing to using component to cause the production cost of whole stapler higher, because component quantity is more, make the control of impulse stroke not accurate enough and reliable simultaneously, and it should be noted that, adopt the integrated control of circuit board, also higher to the welding process requirement of circuit board, when producing, need to waste a large amount of labour of staff and working time.

Summary of the invention

The purpose of this utility model is the problems referred to above that exist for prior art, has proposed a kind of production cost low and can carry out the electric stapler of accurately controlling to impulse stroke.

The purpose of this utility model can realize by following technical proposal: a kind of electric stapler, comprise that inner is the housing of cavity, in housing, be provided with motor, control the microswitch that motor opens and closes, the base plate with the edge of a knife, knife rest and the nail road with blade, described housing front end is provided with to be put paper mouth and the edge of a knife and is positioned at and puts paper mouth place, it is characterized in that, in described housing, being provided with switch and switch middle part and housing madial wall is hinged, the sidepiece that the other end of putting paper mouth place and switch is stretched out and be positioned in described switch one end in housing leans with the button that is arranged at microswitch sidepiece, between described microswitch and motor, be provided with and be subject to motor-driven driven wheel, one side of described driven wheel has the compression leg of protrusion, described compression leg is arranged in knife rest top and leans at driven wheel rotation process compression leg and knife rest upside, in described housing, be also provided with the moving runner that is subject to driving gear drives, the button that described moving runner outer rim has breach and microswitch sidepiece is positioned at indentation, there.

Switch one end is positioned at puts paper mouth place, when putting into, paper this end of switch inwardly can be promoted, because switch middle part is hinged with housing madial wall, therefore switch can rotate counterclockwise, thereby the button that when the switch other end rotates, its sidepiece will inwardly push microswitch sidepiece is pressed button, and motor is just in "on" position like this, and driven wheel starts rotation, the compression leg of driven wheel one side leans with knife rest in rotation process, and knife rest is started to bookbinding to pressing down.

Driven wheel drives moving runner to rotate simultaneously, and the switch other end is now positioned at the below of the button of microswitch, therefore along with the rotation of moving runner, the outer rim of moving runner just can replace switch upper end and by the button compression leg of microswitch, guarantee that motor can continuous firing, until moving runner turns to the button of microswitch while being positioned at again the indentation, there of moving runner outer rim, the button of microswitch ejects, and motor power-off also completes bookbinding.

In above-mentioned electric stapler, described switch is in the shape of the letter V, described housing madial wall has the articulated column of protrusion, described switch middle part is articulated with on articulated column, described switch lower end edge is longitudinally fixed with push rod, described push rod lower end is stretched out and is positioned at and puts paper mouth place in housing, described push rod upper end has connecting portion, between described connecting portion and housing madial wall, be provided with extension spring, one end of described extension spring is enclosed within on connecting portion and its other end is connected on housing madial wall, and under the pulling force effect of extension spring, switch upper end has the trend away from the button of microswitch sidepiece.

When paper be positioned over housing put paper mouth place time, paper can inwardly promote push rod, switch just can overcome the pulling force effect of extension spring and rotate counterclockwise around the articulated column of housing madial wall, and switch upper end will contact with the button of microswitch sidepiece and this button be pressed like this.And when having bound, by paper, from putting paper mouth and taking out, switch just resets under the pulling force effect of extension spring.

In above-mentioned electric stapler, described switch upper end is positioned at the upside of the button of microswitch, housing madial wall has the locating dowel of protrusion, described microswitch sidepiece has locating hole, described locating dowel stretches into the external diameter that locating hole aperture interior and locating hole is greater than locating dowel, between described microswitch top and housing madial wall, be connected with spring, under the elastic force effect of spring, microswitch has the trend moving down.

When paper is put into, switch upper end rotates, and the button of microswitch sidepiece is applied to an inside downward power, the button of microswitch sidepiece is inwardly pressed, and the bottom that Simultaneous Switching upper end moves to microswitch push-button around locating dowel is pinned the button of microswitch sidepiece then by moving runner; And after paper is taken away, switch reverses and drives microswitch to move upward under the effect of extension spring, when the upside-down motion of switch upper end and depart from after microswitch, microswitch is replied and is put in place under the active force of the spring on its top.

In above-mentioned electric stapler, described moving runner is positioned at the opposite side that driven wheel has compression leg, between described housing inner chamber two side, be provided with alignment pin, described driven wheel and moving runner are all socketed on alignment pin, described compression leg is hollow form, described moving runner sidepiece has connecting hole, and locating shaft is positioned at connecting hole through one end of compression leg and described locating shaft.

Moving runner and driven wheel are socketed on alignment pin, moving runner and driven wheel can rotate with respect to alignment pin respectively, because compression leg and moving runner fix by locating shaft again, when driven wheel rotates, compression leg can drive again transmitting gear to rotate simultaneously along with driven wheel rotates so.

In above-mentioned electric stapler, described driven wheel is arranged at close microswitch place in housing, and described motor is arranged at the rear end of housing inner chamber, is provided with some travelling gears between described driven wheel and machine shaft.

In above-mentioned electric stapler, described motor sidepiece is provided with the two-way switch that can make motor reversal, and the end of described housing rear end is provided with moves back nail button, described in move back nail button the inner stretch in housing and lean with the button that is arranged at two-way switch sidepiece.

In above-mentioned electric stapler, rear end, described nail road sidepiece is laterally equipped with pin, described moving back between rear end, the inner Yu Ding road of nail button is provided with tail hook, described tail hooks middle part and is articulated with on pin, described tail hooks rear end and is fixed with the pressing plate that the button with two-way switch sidepiece faces, one end of described pin is arranged with torsion spring, and one end of described torsion spring is connected to the nail sidepiece in road and the inner side that its other end withstands on pressing plate, described in move back nail button the inner stretch in housing and be connected with pressing plate.

When motor rotation blockage, inwardly press and move back nail button, owing to moving back nail button, be connected with pressing plate, therefore the stressed tail hook that makes of pressing plate rotates with respect to pin, guarantee pressing plate can overcome the twisting force of torsion spring simultaneously and inwardly produce displacement, and finally by the inside displacement of pressing plate, the button of two-way switch sidepiece being pressed, motor is reversed, driven wheel will be along with reversion like this, and compression leg no longer descends pressure knife to bind.

In above-mentioned electric stapler, described blade is fixed on knife rest, and described blade middle part has the catch of semicircular in shape, and the sidepiece of described compression leg and the inner side of catch lean.

When motor forward, compression leg with driven wheel, rotate and with the knife rest upside pressure knife at present that leans, thereby complete nailing work; And when motor reversal, compression leg reverses with driven wheel, because the inner side of compression leg sidepiece and catch leans, so driven wheel can upwards lift knife rest by the interaction of compression leg and catch, thereby complete, moves back nail function.

In above-mentioned electric stapler, described housing comprises the housing one and housing two of mutual fastening, has in some from the outwardly directed profile of its sidewall, described housings two and have buckling groove with corresponding position, profile position in described housing one.Housing is arranged to the housing one and housing two that mutually fasten, and each parts can be installed easily, and convenient for maintaining.

In above-mentioned electric stapler, described base plate bottom has the baffle plate of protrusion, and described housing inner chamber forms respectively battery mounting groove in baffle plate both sides, and the end of described housing rear end has breach, and described indentation, there is hinged with battery cover.

In above-mentioned electric stapler, the end of described housing rear end is also provided with outlet.Except using battery, this electric stapler can connect a power supply by outlet to be used.

Compared with prior art, this electric stapler utilizes the frame for movements such as switch, driven wheel and moving runner to control the action of microswitch and impulse stroke, structure is more simple, action more accurately and reliably, and the setting of circuit board and the use of component have been cancelled, greatly reduce production cost and simplified the requirement to processing, possess higher economy, and possess equally automatic nailing, motor automatic power on-off and motor rotation blockage and move back nail function.

Accompanying drawing explanation

Fig. 1 is the structural representation of this electric stapler.

Fig. 2 is the structural representation of another angle of this electric stapler.

Fig. 3 is the side view of this electric stapler internal structure.

Fig. 4 is the side view of this electric stapler internal structure opposite side.

Fig. 5 is the perspective view of this electric stapler internal structure.

Fig. 6 is the exploded view of this electric stapler housing.

Fig. 7 is the structural representation at driven wheel place in this electric stapler.

Fig. 8 is the perspective view that in this electric stapler, tail hooks.

In figure, 1, housing; 2, motor; 3, microswitch; 4, the edge of a knife; 5, base plate; 6, blade; 7, knife rest; 8 ,Ding roads; 9, put paper mouth; 10, switch; 11, driven wheel; 12, compression leg; 13, moving runner; 14, breach; 15, articulated column; 16, push rod; 17, connecting portion; 18, extension spring; 19, locating dowel; 20, locating hole; 21, spring; 22, alignment pin; 23, connecting hole; 24, locating shaft; 25, travelling gear; 26, two-way switch; 27, move back nail button; 28, pin; 29, tail hooks; 30, pressing plate; 31, torsion spring; 32, catch; 33, housing one; 34, housing two; 35, profile; 36, buckling groove; 37, baffle plate; 38, battery cover; 39, outlet.

The specific embodiment

Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.

Embodiment mono-

As shown in Fig. 1-Fig. 7, a kind of electric stapler, comprise that inner is the housing 1 of cavity, in housing 1, be provided with motor 2, control microswitch 3, the base plate 5 with the edge of a knife 4, the knife rest 7 with blade 6 and nail road 8 that motor 2 opens and closes, housing 1 front end is provided with to be put paper mouth 9 and the edge of a knife 4 and is positioned at and puts paper mouth 9 places, housing 1 comprises the housing 1 and housing 2 34 of mutual fastening, in housing 1, have somely from the outwardly directed profile 35 of its sidewall, in housing 2 34, there is buckling groove 36 with profile 35 corresponding positions, position.Base plate 5 bottoms have the baffle plate 37 of protrusion, and housing 1 inner chamber forms respectively battery mounting groove in baffle plate 37 both sides, and the end of housing 1 rear end has breach 14, and breach 14 places are hinged with battery cover 38.The end of housing 1 rear end is also provided with outlet 39.

As shown in Figure 3, in housing 1, be also provided with the switch 10 being hinged with housing 1 madial wall, switch 10 is in the shape of the letter V, housing 1 madial wall has the articulated column 15 of protrusion, switch 10 middle parts are articulated with on articulated column 15, switch 10 upper ends are positioned at the upside of the button of microswitch 3, switch 10 lower end edges are longitudinally fixed with push rod 16, push rod 16 lower ends are stretched out and are positioned at and put paper mouth 9 places in housing 1, push rod 16 upper ends have connecting portion 17, between connecting portion 17 and housing 1 madial wall, be provided with extension spring 18, one end of extension spring 18 is enclosed within on connecting portion 17 and its other end is connected on housing 1 madial wall, under the pulling force effect of extension spring 18, switch 10 upper ends have the trend away from the button of microswitch 3 sidepieces.

As shown in Fig. 3, Fig. 4 and Fig. 5, housing 1 madial wall has the locating dowel 19 of protrusion, microswitch 3 sidepieces have locating hole 20, locating dowel 19 stretches into the external diameter that locating hole 20 aperture interior and locating hole 20 is greater than locating dowel 19, between microswitch 3 tops and housing 1 madial wall, be connected with spring 21, under the elastic force effect of spring 21, microswitch 3 has the trend moving down.Between microswitch 3 and motor 2, be provided with the driven wheel 11 that driven by motor 2, it is interior near microswitch 3 places that driven wheel 11 is arranged at housing 1, and motor 2 is arranged at the rear end of housing 1 inner chamber, between driven wheel 11 and motor 2 rotating shafts, is provided with some travelling gears 25.

As shown in Figure 4 and Figure 5, one side of driven wheel 11 has the compression leg 12 of protrusion, compression leg 12 is arranged in knife rest 7 tops and leans with knife rest 7 upsides at driven wheel 11 rotation process compression legs 12, blade 6 is fixed on knife rest 7, blade 6 middle parts have the catch 32 of semicircular in shape, and the inner side of the sidepiece of compression leg 12 and catch 32 leans.

As shown in Fig. 2, Fig. 5 and Fig. 7, in housing 1, be also provided with the moving runner 13 that driven by driven wheel 11, the button that moving runner 13 outer rims have breach 14 and microswitch 3 sidepieces is positioned at breach 14 places.Moving runner 13 is positioned at the opposite side that driven wheel 11 has compression leg 12, housing is provided with alignment pin 22 between 1 inner chamber two side, driven wheel 11 is all socketed on alignment pin 22 with moving runner 13, compression leg 12 is hollow form, moving runner 13 sidepieces have 23, locating shafts of connecting hole 24 and are positioned at connecting hole 23 through one end of compression leg 12 and locating shaft 24.

As shown in Figure 5 and Figure 8, motor 2 sidepieces are provided with the two-way switch 26 that can make motor 2 reversions, and the end of housing 1 rear end is provided with moves back nail button 27, move back the inner of nail button 27 and stretch in housing 1 and lean with the button that is arranged at two-way switch 26 sidepieces.Nail road 8 rear end sidepieces are laterally equipped with pin 28, moving back nail is provided with tail between 8 rear ends, the inner Yu Ding of button 27 road and hooks 29, tail hooks 29 middle parts and is articulated with on pin 28, tail hooks 29 rear ends and is fixed with the pressing plate 30 that the button with two-way switch 26 sidepieces faces, one end of pin 28 is arranged with torsion spring 31, one end of torsion spring 31 is connected to the nail sidepiece in road 8 and the inner side that its other end withstands on pressing plate 30, and the inner of moving back nail button 27 is stretched in housing 1 and is connected with pressing plate 30.

When this electric stapler does not need to use, what paper was not put into housing 1 puts paper mouth 9, and switch 10 is in initial position, and the button of microswitch 3 sidepieces is also positioned at the breach 14 of moving runner 13 outer rims, the button that is microswitch 3 is not pressed, now motor 2 no powers.

And when using this electric stapler to bind, what paper was positioned over to housing 1 puts paper mouth 9 places, top of form inwardly promotes the push rod 16 of switch 10 lower ends, switch 10 rotates counterclockwise around articulated column 15, switch 10 upper ends rotate, when inwardly pressing the button of microswitch 3 sidepieces again by microswitch 3 to pressing down, motor 2 enters "on" position.Transmission by travelling gear 25 finally makes driven wheel 11 rotate, driven wheel 11 rotates and drives moving runner 13 to rotate, now switch 10 upper ends turn to the position that is positioned at microswitch 3 button belows, the outer rim of moving runner 13 replaces switch 10 that the button of microswitch 3 is pushed down, and motor 2 is just in continuing "on" position like this.

Along with the rotation of driven wheel 11, compression leg 12 and knife rest 7 upsides of driven wheel 11 1 sides lean, and a downward pressure of cutter setting frame 7 generations, so just force knife rest 7 to move down, thereby paper is carried out to nailing.Motor 2 continues energising, when the breach 14 that turns to its sidepiece when moving runner 13 faces with the button of microswitch 3 sidepieces again, the button of microswitch 3 sidepieces has lost active force and has ejected and be positioned at breach 14, motor 2 has just stopped energising like this, driven wheel 11 completes the original state that turns to of a week, knife rest 7 also resets, and binding work completes.Finally paper is taken out from the paper mouth 9 of putting of housing 1, switch 10 clockwise rotates and resets under the pulling force effect of extension spring 18, and switch 10 its upper end in reseting procedure can upwards be pushed up microswitch 3, when switch 10 upper end reversings are to departing from after microswitch 3, microswitch 3 is reset to original state downwards under the elastic force effect of spring 21, so far, a work period finishes.When again binding, electric stapler just can repeat above-mentioned action, until another work period finishes.

Due to motor 2 in use, the phenomenon that easily occurs stall, therefore when motor 2 stall, user can press the button of quitting the subscription of that is positioned at housing 1 end, rear end, after quitting the subscription of button and pressing, can inwardly promote tail hooks 29 and rotates around pin 28, the pressing plate 30 that tail hooks 29 rear ends will move inward, and inwardly push the button of two-way switch 26 sidepieces, motor 2 will reverse like this, driven wheel 11 is also reversed, knife rest 7 also upwards turns under the interaction of compression leg 12 and blade 6 middle part catch 32, nail road 8 has lost downforce, thereby completed, move back nail function.

Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Claims (10)

1. an electric stapler, comprise that inside is the housing of cavity (1), in housing (1), be provided with motor (2), control the microswitch (3) that motor (2) opens and closes, the base plate (5) with the edge of a knife (4), knife rest (7) and the nail road (8) with blade (6), described housing (1) front end is provided with to be put paper mouth (9) and the edge of a knife (4) and is positioned at and puts paper mouth (9) and locate, it is characterized in that, in described housing (1), being provided with switch (10) and switch (10) middle part and housing (1) madial wall is hinged, described switch (10) one end is stretched out and is positioned at and puts that paper mouth (9) is located and the sidepiece of the other end of switch (10) leans with the button that is arranged at microswitch (3) sidepiece in housing (1), between described microswitch (3) and motor (2), be provided with the driven wheel (11) that driven by motor (2), one side of described driven wheel (11) has the compression leg (12) of protrusion, described compression leg (12) is arranged in knife rest (7) top and leans at driven wheel (11) rotation process compression leg (12) and knife rest (7) upside, in described housing (1), be also provided with the moving runner (13) that driven by driven wheel (11), the button that described moving runner (13) outer rim has breach (14) and microswitch (3) sidepiece is positioned at breach (14) and locates.

2. electric stapler according to claim 1, it is characterized in that, described switch (10) is in the shape of the letter V, described housing (1) madial wall has the articulated column (15) of protrusion, described switch (10) middle part is articulated with on articulated column (15), described switch (10) lower end edge is longitudinally fixed with push rod (16), described push rod (16) lower end is stretched out and is positioned at and puts paper mouth (9) and locate in housing (1), described push rod (16) upper end has connecting portion (17), between described connecting portion (17) and housing (1) madial wall, be provided with extension spring (18), one end of described extension spring (18) is enclosed within connecting portion (17) above and its other end is connected on housing (1) madial wall, under the pulling force effect of extension spring (18), switch (10) upper end has the trend away from the button of microswitch (3) sidepiece.

3. electric stapler according to claim 2, it is characterized in that, described switch (10) upper end is positioned at the upside of the button of microswitch (3), housing (1) madial wall has the locating dowel (19) of protrusion, described microswitch (3) sidepiece has locating hole (20), described locating dowel (19) stretches into the external diameter that locating hole (20) aperture interior and locating hole (20) is greater than locating dowel (19), between described microswitch (3) top and housing (1) madial wall, be connected with spring (21), under the elastic force effect of spring (21), microswitch (3) has the trend moving down.

4. according to the electric stapler described in claim 1 or 2 or 3, it is characterized in that, described moving runner (13) is positioned at the opposite side that driven wheel (11) has compression leg (12), described housing (1) is provided with alignment pin (22) between inner chamber two side, described driven wheel (11) is all socketed on alignment pin (22) with moving runner (13), described compression leg (12) is hollow form, described moving runner (13) sidepiece has connecting hole (23), a locating shaft (24) is positioned at connecting hole (23) through one end of compression leg (12) and described locating shaft (24).

5. electric stapler according to claim 4, it is characterized in that, described driven wheel (11) is arranged in housing (1) and locates near microswitch (3), described motor (2) is arranged at the rear end of housing (1) inner chamber, between described driven wheel (11) and motor (2) rotating shaft, is provided with some travelling gears (25).

6. according to the electric stapler described in claim 1 or 2 or 3, it is characterized in that, described motor (2) sidepiece is provided with the two-way switch (26) that can make motor (2) reversion, the end of described housing (1) rear end is provided with moves back nail button (27), described in move back nail button (27) the inner stretch in housing (1) and lean with the button that is arranged at two-way switch (26) sidepiece.

7. electric stapler according to claim 6, it is characterized in that, rear end, described Ding road (8) sidepiece is laterally equipped with pin (28), described moving back between nail rear end, the inner Yu Ding of button (27) road (8) is provided with tail hook (29), described tail hooks (29) middle part and is articulated with on pin (28), described tail hooks (29) rear end and is fixed with the pressing plate (30) that the button with two-way switch (26) sidepiece faces, one end of described pin (28) is arranged with torsion spring (31), one end of described torsion spring (31) is connected to the sidepiece in nail road (8) and the inner side that its other end withstands on pressing plate (30), described the inner of moving back nail button (27) is stretched in housing (1) and is connected with pressing plate (30).

8. according to the electric stapler described in claim 1 or 2 or 3, it is characterized in that, it is upper that described blade (6) is fixed on knife rest (7), and described blade (6) middle part has the catch (32) of semicircular in shape, and the inner side of the sidepiece of described compression leg (12) and catch (32) leans.

9. according to the electric stapler described in claim 1 or 2 or 3, it is characterized in that, described housing (1) comprises the housing one (33) and housing two (34) of mutual fastening, in described housing one (33), have in some from the outwardly directed profile of its sidewall (35), described housings two (34) and there is buckling groove (36) with profile (35) corresponding position, position.

10. according to the electric stapler described in claim 1 or 2 or 3, it is characterized in that, described base plate (5) bottom has the baffle plate (37) of protrusion, described housing (1) inner chamber forms respectively battery mounting groove in baffle plate (37) both sides, the end of described housing (1) rear end has breach (14), and described breach (14) locates to be hinged with battery cover (38).

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