CN103406879B - A kind of electric stapler - Google Patents

Abstract

The invention provides a kind of electric stapler, belong to field of mechanical technique.It solve the problem that electric stapler production cost is higher.This electric stapler comprises the inner housing for cavity, motor is provided with in housing, control the microswitch that motor opens and closes, there is the base plate of the edge of a knife, there is knife rest and the nail road of blade, described housing forward end be provided with place the edge of a knife put paper mouth, and in housing, be provided with the switch be hinged with this madial wall, this switch one end is positioned at puts paper mouth place, the sidepiece of the other end leans with the button being arranged at microswitch sidepiece, be provided with by motor-driven driven wheel between microswitch and motor, the side of this driven wheel has the compression leg be positioned at above knife rest of protrusion, and lean on the upside of compression leg and knife rest in driven wheel rotation process, also to be provided with by driving gear drives in housing and outer rim has the moving runner of the breach of the button placing microswitch sidepiece.This electric stapler has the advantages such as low, the accurate control impulse stroke of production cost.

Description

A kind of electric stapler

Technical field

The invention belongs to field of mechanical technique, relate to a kind of stapler, particularly relate to a kind of electric stapler.

Background technology

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

In order to solve manual stapler Problems existing, people have devised electric stapler, and existing electric stapler generally has Vidacare corp, nail groove, brad punch and knife rest, drives nail groove by Vidacare corp, and then act on brad punch, thus 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 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 with 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 realizes the function of electronic nailing by ON-OFF control circuit plate, and it is time saving and energy saving to operate.

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

Summary of the invention

The object of the invention is the problems referred to above existed for prior art, propose a kind of production cost low and can carry out to impulse stroke the electric stapler that accurately controls.

Object of the present invention realizes by following technical proposal: a kind of electric stapler, comprise the inner housing for cavity, motor is provided with in housing, control the microswitch that motor opens and closes, there is the base plate of the edge of a knife, there is knife rest and the nail road of blade, described housing forward end is provided with puts paper mouth and the edge of a knife is positioned at and puts paper mouth place, it is characterized in that, be provided with switch in described housing and be hinged with case inside wall in the middle part of switch, described switch one end is stretched out and is positioned at and puts paper mouth place and the sidepiece of the other end of switch leans with the button being arranged at microswitch sidepiece in housing, be provided with between described microswitch and motor by motor-driven driven wheel, the side of described driven wheel has the compression leg of protrusion, described compression leg to be arranged in above knife rest and to lean on the upside of driven wheel rotation process compression leg and knife rest, the moving runner by driving gear drives is also provided with in described housing, described moving runner outer rim has breach and the button of microswitch sidepiece is positioned at indentation, there.

Switch one end is positioned at puts paper mouth place, this end of switch inwardly can be promoted when paper is put into, owing to being hinged with case inside wall in the middle part of switch, therefore switch can rotate counterclockwise, when the switch other end rotates, its sidepiece inwardly will extrude the button of microswitch sidepiece thus button is pressed, and such motor is just in "on" position, and driven wheel starts to rotate, the compression leg of driven wheel side leans with knife rest in rotation process, and knife rest is started 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, ensure that motor can continuous firing, until when the button that moving runner turns to microswitch is 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 case inside wall has the articulated column of protrusion, be articulated with in the middle part of described switch 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, extension spring is provided with between described connecting portion and case inside wall, one end of described extension spring is enclosed within connecting portion and its other end is connected on case inside wall, and under the pulling force effect of extension spring, switch upper end has the trend of the button away from microswitch sidepiece.

When paper be positioned over housing put paper mouth place time, paper inwardly can promote push rod, switch just can overcome the pulling force effect of extension spring and the articulated column around case inside wall rotates counterclockwise, and such switch upper end will contact with the button of microswitch sidepiece and be pressed by this button.And complete when bookbinding, by paper from putting after paper mouth takes 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, case inside wall has the locating dowel of protrusion, described microswitch sidepiece has locating hole, described locating dowel stretches into the external diameter that in locating hole and the aperture of locating hole is greater than locating dowel, be connected with spring between described microswitch top and case inside wall, under the elastic force effect of spring, microswitch has the trend moved down.

When paper is put into, switch upper end rotates, and to the button of microswitch sidepiece apply one inwardly under power, the button of microswitch sidepiece is inwardly pressed, and the button of microswitch sidepiece is pinned then around the bottom that locating dowel moves to microswitch push-button in Simultaneous Switching upper end 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 after departing from microswitch, microswitch is replied and 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, alignment pin is provided with between described housing cavity two side, 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 through compression leg and one end of described locating shaft is positioned at connecting hole.

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

In above-mentioned electric stapler, described driven wheel is arranged near microswitch place in housing, and described motor is arranged at the rear end of housing cavity, 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 to stretch in housing and to lean with the button being 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 is provided with tail between the inner and nail rear end, road of nail button and hooks, described tail hooks middle part and is articulated with on pin, described tail hooks rear end and is fixed with the pressing plate faced with the button of two-way switch sidepiece, one end of described pin is arranged with torsion spring, and one end of described torsion spring is connected to the sidepiece in nail road and its other end withstands on the inner side of 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, due to move back nail button and pressing plate be connected, therefore the stressed tail hook that makes of pressing plate rotates relative to pin, ensure that pressing plate can overcome the twisting force of torsion spring and inwardly produce displacement simultaneously, and eventually through pressing plate inside displacement, the button of two-way switch sidepiece is pressed, motor is reversed, such driven wheel will along with reversion, and compression leg no longer descends pressure knife to bind.

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

When motor rotates forward, compression leg rotate with driven wheel and with knife rest on the upside of to lean pressure knife at present, thus complete nailing work; And when motor reversal, compression leg reverses with driven wheel, because the inner side of compression leg sidepiece and catch leans, therefore knife rest upwards can be lifted by the interaction of compression leg and catch by driven wheel, thus completes and move back nail function.

In above-mentioned electric stapler, described housing comprises the housing one and housing two that mutually fasten, 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 housing one and the housing two of fastening mutually, can install each parts easily, and convenient for maintaining.

In above-mentioned electric stapler, have the baffle plate of protrusion bottom described base plate, described housing cavity forms battery settling groove respectively in baffle plate both sides, and the end of described housing rear end has the second breach, and described second 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 use battery, this electric stapler can connect a power supply by outlet and use.

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 eliminate the setting of circuit board and the use of component, greatly reduce production cost and simplify the requirement to processing, possess higher economy, and possess automatic nailing, motor automatic power on-off and motor rotation blockage equally 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, road is followed closely; 9, paper mouth is put; 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, nail button is moved back; 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.

Detailed description of the invention

Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.

Embodiment one

As shown in Fig. 1-Fig. 7, a kind of electric stapler, comprise the inner housing 1 for cavity, be provided with motor 2 in housing 1, control the microswitch 3 of motor 2 keying, there is the base plate 5 of the edge of a knife 4, there is the knife rest 7 of blade 6 and nail road 8, housing 1 front end is provided with puts paper mouth 9 and the edge of a knife 4 is positioned at and puts paper mouth 9 place, housing 1 comprises the housing 1 and housing 2 34 that mutually fasten, have some from the outwardly directed profile 35 of its sidewall in housing 1, in housing 2 34, with corresponding position, profile 35 position, there is buckling groove 36.Have the baffle plate 37 of protrusion bottom base plate 5, housing 1 inner chamber forms battery settling groove respectively in baffle plate 37 both sides, and the end of housing 1 rear end has the second breach, and the second indentation, there is hinged with battery cover 38.The end of housing 1 rear end is also provided with outlet 39.

As shown in Figure 3, the switch 10 be hinged with housing 1 madial wall is also provided with in housing 1, switch 10 is in the shape of the letter V, housing 1 madial wall has the articulated column 15 of protrusion, be articulated with on articulated column 15 in the middle part of switch 10, switch 10 upper end is positioned at the upside of the button of microswitch 3, switch 10 lower end edge is longitudinally fixed with push rod 16, push rod 16 lower end is stretched out and is positioned at and puts paper mouth 9 place in housing 1, push rod 16 upper end has connecting portion 17, extension spring 18 is provided with between connecting portion 17 and housing 1 madial wall, one end of extension spring 18 is enclosed within 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 end has the trend of the button away from microswitch 3 sidepiece.

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

As shown in Figure 4 and Figure 5, the side of driven wheel 11 has the compression leg 12 of protrusion, compression leg 12 to be arranged in above knife rest 7 and to lean on the upside of driven wheel 11 rotation process compression leg 12 with knife rest 7, blade 6 is fixed on knife rest 7, have the catch 32 of semicircular in shape in the middle part of blade 6, the sidepiece of compression leg 12 and the inner side of catch 32 lean.

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

As shown in Figure 5 and Figure 8, motor 2 sidepiece is provided with the two-way switch 26 that motor 2 can be made to reverse, and the end of housing 1 rear end is provided with moves back nail button 27, and the inner of moving back nail button 27 to be stretched in housing 1 and leant with the button being arranged at two-way switch 26 sidepiece.Nail rear end, road 8 sidepiece is laterally equipped with pin 28, move back and be provided with tail between the inner and nail rear end, road 8 of nail button 27 and hook 29, tail is articulated with on pin 28 in the middle part of hooking 29, tail hooks 29 rear ends and is fixed with the pressing plate 30 faced with the button of two-way switch 26 sidepiece, one end of pin 28 is arranged with torsion spring 31, one end of torsion spring 31 is connected to the sidepiece in nail road 8 and its other end withstands on the inner side of 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 housing 1 do not put into by paper puts paper mouth 9, and switch 10 is in initial position, and the button of microswitch 3 sidepiece is also positioned at the breach 14 of moving runner 13 outer rim, namely the button of microswitch 3 is not pressed, now motor 2 no power.

And when using this electric stapler to bind, what paper is positioned over housing 1 puts paper mouth 9 place, the push rod 16 of switch 10 lower end inwardly promotes by top of form, switch 10 rotates counterclockwise around articulated column 15, switch 10 upper end rotates, while the button of inside pressing microswitch 3 sidepiece again by microswitch 3 to pressing down, motor 2 enters "on" position.Driven wheel 11 is finally made to rotate by the transmission of travelling gear 25, driven wheel 11 rotates and drives moving runner 13 to rotate, now switch 10 upper end turns to the position be positioned at below microswitch 3 button, the outer rim of moving runner 13 then replaces switch 10 to be pushed down by the button of microswitch 3, and such motor 2 is just in lasting "on" position.

Along with the rotation of driven wheel 11, lean on the upside of the compression leg of driven wheel 11 side 12 and knife rest 7, and cutter setting frame 7 produces a downward pressure, so just forces knife rest 7 to move down, thus carries out nailing to paper.Motor 2 continues energising, when the breach 14 that moving runner 13 turns to its sidepiece faces with the button of microswitch 3 sidepiece again, the button of microswitch 3 sidepiece loses active force and ejects and be positioned at breach 14, such motor 2 just stopped energising, driven wheel 11 complete one week turn to original state, knife rest 7 also resets, and binding work completes.Finally the put paper mouth 9 of paper from housing 1 is taken out, switch 10 rotates at the pulling force clockwise under influence of extension spring 18 and resets, and microswitch 3 can upwards push up by switch 10 its upper end in reseting procedure, when after switch 10 upper end reversing to disengaging microswitch 3, microswitch 3 is reset to original state downwards under the elastic force effect of spring 21, so far, a work period terminates.When again binding, electric stapler just can repeat above-mentioned action, until another work period terminates.

Due to motor 2 in use, easily there is the phenomenon of stall, therefore when motor 2 stall, user can press be positioned at end, housing 1 rear end quit the subscription of button, quit the subscription of after button is pressed and can inwardly rotate around pin 28 by promotion tail hook 29, the pressing plate 30 that tail hooks 29 rear ends will move inward, and inwardly extrude the button of two-way switch 26 sidepiece, such motor 2 will reverse, driven wheel 11 is also reversed, also upwards turn under the interaction of knife rest 7 catch 32 in the middle part of compression leg 12 with blade 6, nail road 8 loses downforce, thus complete and move back nail function.

Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.

Claims (9)

1. an electric stapler, comprise the inner housing (1) for cavity, motor (2) is provided with in housing (1), control the microswitch (3) that motor (2) opens and closes, there is the base plate (5) of the edge of a knife (4), there is knife rest (7) and nail road (8) of blade (6), described housing (1) front end is provided with puts paper mouth (9) and the edge of a knife (4) is positioned at and puts paper mouth (9) place, it is characterized in that, be provided with switch (10) in described housing (1) and be hinged with housing (1) madial wall in the middle part of switch (10), described switch (10) one end is stretched out and is positioned at and puts paper mouth (9) place and the sidepiece of the other end of switch (10) leans with the button being arranged at microswitch (3) sidepiece in housing (1), the driven wheel (11) driven by motor (2) is provided with between described microswitch (3) and motor (2), the 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, the moving runner (13) driven by driven wheel (11) is also provided with in described housing (1), described moving runner (13) outer rim has breach (14) and the button of microswitch (3) sidepiece is positioned at breach (14) place, 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) place in housing (1), described push rod (16) upper end has connecting portion (17), extension spring (18) is provided with between described connecting portion (17) and housing (1) madial wall, one end of described extension spring (18) is enclosed within that connecting portion (17) is upper 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 of the button away from microswitch (3) sidepiece.

2. electric stapler according to claim 1, 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 in locating hole (20) and the aperture of locating hole (20) is greater than locating dowel (19), spring (21) is connected with between described microswitch (3) top and housing (1) madial wall, under the elastic force effect of spring (21), microswitch (3) has the trend moved down.

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

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

5. electric stapler according to claim 1 and 2, it is characterized in that, described motor (2) sidepiece is provided with the two-way switch (26) that motor (2) can be made to reverse, 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 to stretch in housing (1) and to lean with the button being arranged at two-way switch (26) sidepiece.

6. electric stapler according to claim 5, it is characterized in that, described nail road (8) rear end sidepiece is laterally equipped with pin (28), describedly move back that nail button (27) is inner to be provided with tail between road (8) rear end and to hook (29) with following closely, 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) faced with the button of two-way switch (26) sidepiece, one end of described pin (28) is arranged with torsion spring (31), one end of described torsion spring (31) is connected to the sidepiece of nail road (8) and its other end withstands on the inner side of pressing plate (30), described the inner of moving back nail button (27) is stretched in housing (1) and is connected with pressing plate (30).

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

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

9. electric stapler according to claim 1 and 2, it is characterized in that, described base plate (5) bottom has the baffle plate (37) of protrusion, described housing (1) inner chamber forms battery settling groove respectively in baffle plate (37) both sides, the end of described housing (1) rear end has the second breach, and described second indentation, there is hinged with battery cover (38).