StaplerTechnical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of stapler.
Background technology
A kind of medicine equipment that Medical stapler is commonly used when being to perform surgical operation alimentary canal physiological tissue, generalIn surgical operation therapy, stapler has been commonly used for the cutting closure function of tissue.Physiological tissue is being implemented " to close by staplerClose, coincide, cutting " operating process be manually operated or electric operating.Manually operated is to realize nail anvil head in a purely mechanical mannerAnd the closed action between nail bin and the firing action of anastomosed tissue, percussion process needs huge percussion force just can complete to coincideThe cutting Guan Bi of mouth, the requirement to user is high, and the best apparatus that easily causes that once skill and dynamics are grasped fires notMove and maybe can only fire half, and percussion force deficiency can affect tissue closure effect, cause cutting Guan Bi not exclusively, ultimately result in handArt failure, risk is high.Use electrically operated stapler can solve the problems referred to above, but traditional electrically operated coincideDevice uses two driving motors and two transmission mechanisms, during operation, during Guan Bi and percussion, needs switching button to graspMaking, the operation causing the electronic stapler of traditional two transmission mechanisms of employing is more complicated.
Summary of the invention
Based on this, it is necessary to the electronic stapler for traditional two transmission mechanisms of employing is closing and during percussionNeed the problem that switching button carries out operating, it is provided that a kind of only with a transmission mechanism and during Guan Bi and percussion notSwitching button is needed to carry out the stapler operated.
A kind of stapler, including:
Outer sleeve, outside is provided with the alignment pin that can enter within outer sleeve；
Transmission main shaft, is positioned in described outer sleeve, relatively rotates with described outer sleeve and coordinates；
Guan Bi main shaft, is positioned at the inside of described transmission main shaft, and described Guan Bi main shaft is threadeded with described transmission main shaft,Make translation when described Guan Bi main shaft is driven by described transmission main shaft advance or retreat, and described Guan Bi main shaft can be with described transmission masterAxle departs from described threaded；
Adapter sleeve, threadeds with described transmission main shaft；
Ejector pin pipe, is enclosed within outside one end of described transmission main shaft, it is possible to abut against with described adapter sleeve；
Guan Bi display sleeve pipe, is enclosed within outside described transmission main shaft, described Guan Bi main shaft drives translates, with described coupling sleevePipe relatively slides but can not rotate against configuration；
When wherein said Guan Bi main shaft is threadeded with the disengaging of described transmission main shaft, described alignment pin limits described coupling sleevePipe and described Guan Bi display sleeve rotating, described transmission main shaft can drive described adapter sleeve to rotate, described adapter sleeve energyDescribed ejector pin pipe is enough driven to translate.
Wherein in an embodiment, the groove that described Guan Bi main shaft is radially provided through, described staplerAlso include that the first spacer pin, described first spacer pin are fixedly connected on described outer sleeve and stretch into described Guan Bi main shaft grooveIn to limit described Guan Bi main axis, described groove makes described Guan Bi main along the axially extending certain length of described Guan Bi main shaftAxle can the most described first spacer pin translation.
Wherein in an embodiment, described outer sleeve includes first sleeve and the second sleeve pipe, described first sleeve andDescribed second sleeve pipe realizes abutting or separating by the knob that can finely tune, and the internal two ends of described knob are rightabout spiral shellLine.
Wherein in an embodiment, described stapler also includes that at least one is in order to limit described first sleeve and describedSecond sleeve pipe carries out the second spacer pin in relative rotation, and two ends of described second spacer pin lay respectively at described first sleeveWith in described second sleeve pipe.
Wherein in an embodiment, described Guan Bi display sleeve pipe includes first end and the second end, described first endPortion is circumferentially disposed a circle hole, and hole, described location penetrates described Guan Bi display sleeve pipe；
Described alignment pin is spring catch, and described spring catch is fixedly connected on described outer sleeve and elasticity is connected to describedOn Guan Bi display sleeve pipe, the corresponding described alignment pin of described outer sleeve is provided with the through hole that described alignment pin can be made to stretch into；
Described transmission main shaft is provided with the lead being fixedly connected on described transmission main shaft；
The inner side of described Guan Bi display sleeve pipe is formed in order to block the chute of described lead and to be positioned at described chute oneThe bore hole of side, when described Guan Bi display sleeve pipe move to described alignment pin slip into described hole, location time, described lead slips into instituteState in bore hole.
Wherein in an embodiment, described the second end is arranged observe the annular flange flange of Guan Bi progress, describedArrange to appear the form of described annular flange flange in first sleeve, slide when described Guan Bi display sleeve pipe moves to described alignment pinWhen entering described hole, location, described annular flange flange enters in described form.
Wherein in an embodiment, described stapler also includes that transmission sleeve pipe, described transmission sleeve pipe are enclosed within rotationallyOutside the end of described Guan Bi main shaft, the groove that described transmission main shaft is radially provided through, described transmission sleeve pipeThe outwardly groove on described transmission main shaft in one end, and form the boss that can abut against, institute with described Guan Bi display sleeve pipeStating transmission sleeve pipe and driven rotation by described transmission main shaft, described Guan Bi main shaft drives described Guan Bi display by described transmission sleeve pipeSleeve pipe translates.
Wherein in an embodiment, described stapler also includes laying respectively at outside two ends of described transmission main shaftThe first axle sleeve and the second axle sleeve, described first axle sleeve and described second axle sleeve in order to axially to position described transmission main shaft.
Wherein in an embodiment, described stapler also includes nail bin and nail anvil head, the energy realizing osculating effectEnough realize the closed draw axle connecting or separating with described nail anvil head, and two ends are respectively fixedly connected with in described closed draw axleWith the connector strip of described Guan Bi main shaft, one end of described nail bin is fixing with described outer sleeve to be connected.
Wherein in an embodiment, described stapler also includes being positioned at described outer sleeve and described Guan Bi display sleeve pipeBetween the first spring, the second spring between described transmission main shaft and described Guan Bi main shaft and be sleeved on described ejector pin pipeOne end and be pressed in the 3rd spring of described outer sleeve, described first spring is in order to abut described Guan Bi display sleeve pipe, describedSecond spring is in order to abut described Guan Bi main shaft, and described 3rd spring is in order to abut described ejector pin pipe.
The transmission main shaft of above-mentioned stapler and Guan Bi spindle thread connect, and when transmission main shaft rotates, Guan Bi main shaft is by transmissionMain shaft drives translates, when the screw thread closing main shaft is fully screwed into transmission main shaft, between Guan Bi main shaft and transmission main shaft no longerThere is relative motion, complete the process of Guan Bi.In closing course, Guan Bi main shaft simultaneously drives Guan Bi display sleeve pipe translation, works as Guan BiWhen completing, alignment pin enters the inside of outer sleeve, limits adapter sleeve and Guan Bi display sleeve rotating.When transmission main shaft continuesDuring rotation, it will make the adapter sleeve threadeded with transmission main shaft carry out horizontal translation thus promote and abut against with adapter sleeveEjector pin pipe realize ejector pin action, complete percussion process.Electronic accordingly, with respect to traditional two transmission mechanisms of employing coincideDevice, the stapler of the present invention, only with a transmission mechanism, need not switching button during Guan Bi and percussion and operates.
Accompanying drawing explanation
Fig. 1 is the front view of stapler in the embodiment of the present invention；
Fig. 2 is the top view of stapler in the embodiment of the present invention；
Fig. 3 is the part drawing of stapler in the embodiment of the present invention；
Fig. 4 is the state diagram in the embodiment of the present invention before stapler Guan Bi；
Fig. 5 is the state diagram before firing after stapler Guan Bi in the embodiment of the present invention；
Fig. 6 is that in the embodiment of the present invention, stapler fires the state diagram put in place.
In figure, label and implication thereof are as follows:
100, stapler 110, handle portion 111, rotating forward button 112, reversion button
120, transmission mechanism 121, outer sleeve 121A, first sleeve 121B, the second sleeve pipe
122, form 123, vernier knob 124, alignment pin the 125, first spacer pin
126, the second spacer pin 127, Guan Bi display sleeve pipe 127A, location hole 127B, annular flange flange
128, the first spring 129, transmission main shaft 129A, lead the 1210, first axle sleeve
1211, the second axle sleeve 1212, Guan Bi main shaft the 1213, second spring 1214, transmission sleeve pipe
1215, adapter sleeve 1216, ejector pin pipe the 1217, the 3rd spring 1218, connector strip
1219, closed draw axle 130, osculating portion 131, nail bin 131A, staple cartridge body
131B, nail pushing device 131C, cutting blade 131D, nail bin support 132, nail anvil head
Detailed description of the invention
Understandable, below in conjunction with the accompanying drawings to the present invention for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent fromDetailed description of the invention be described in detail.Elaborate a lot of detail in the following description so that fully understanding thisBright.But the present invention can implement to be much different from alternate manner described here, and those skilled in the art can be notDoing similar improvement in the case of running counter to intension of the present invention, therefore the present invention is not limited by following public specific embodiment.
It should be noted that when element is referred to as " being fixed on " another element, and it can be directly on another elementOr element placed in the middle can also be there is.When an element is considered as " connection " another element, and it can be to be directly connected toTo another element or may be simultaneously present centering elements.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field belonging to the present inventionThe implication that technical staff is generally understood that is identical.The term used the most in the description of the invention is intended merely to describe toolThe purpose of the embodiment of body, it is not intended that in limiting the present invention.Term as used herein " and/or " include one or more phaseArbitrary and all of combination of the Listed Items closed.
Owing to the electronic stapler of traditional two transmission mechanisms of employing needs switching button during Guan Bi and percussionThe problem carrying out operating, it is an object of the invention to provide a kind of only with a transmission mechanism and during Guan Bi and percussionNeed not the stapler that switching button carries out operating.
Stapler 100 in the embodiment of the present invention is electric drive stapler, and its front view and top view are respectively such as Fig. 1 and TuShown in 2, stapler 100 includes handle portion 110, transmission mechanism 120 and osculating portion 130.Handle portion 110 and osculating portion 130 are respectivelyIt is connected to the two ends of transmission mechanism 120.Handle portion 110 is reusable electric handle of sterilizing, and it is solid that inside arranges levelFixed driving motor, outside setting is used for controlling rotating forward button 111 and the reversion button 112 that stapler 100 closes and opens.HandThe horizontal positioned motor of shank 110 is through planetary gear speed-reduction, and output shaft is interior Hexagonal jacket, can quickly realize and transmission mechanismThe connection of 120.
Transmission mechanism 120 includes outer sleeve 121, be located on outer sleeve 121 form 122, fine setting can be realizedThe vernier knob 123 and alignment pin 124 within outer sleeve 121 can be entered.Outer sleeve 121 includes first sleeve 121A andTwo sleeve pipe 121B.Arrange in order to the form 122 observing Guan Bi progress in first sleeve 121A.Form 122 is used for observing staplerThe Guan Bi progress of 100, is only determined when stapler 100 is closed into rational caliper zones when by form 122, just can pressFiring button realizes osculating, and firing button, for rotating forward button 111, is so possible to prevent stapler 100 in tissue squeezing improperlyTime osculating and patient is caused adverse consequences.First sleeve 121A and the second sleeve pipe 121B are by the vernier knob that can finely tune123 realize abutting or separating, and the part that first sleeve 121A is connected with vernier knob 123 is sinistral external thread, the second sleeve pipeThe part that 121B is connected with vernier knob 123 is dextrorotation external screw thread.The internal left side of vernier knob 123 is levogyrate inner thread, the rightFor dextrorotation internal thread.Use preference according to doctor, before entering cock anastomosed tissue, doctor can use vernier knob123 estimate according to torsion and experience the elasticity of tissue squeezing and suitably adjust.
Osculating portion 130 includes nail bin 131 and nail anvil head 132.Nail bin 131 is fixing with the outer sleeve 121 of transmission mechanism 120Connecting, nail bin 131 and nail anvil head 132 can realize separating or Guan Bi.
First nail bin 131 and nail anvil head 132 being separated when stapler 100 operates with, nail anvil head 132 and intestinal tube do lotusBag processes, and transmission mechanism 120 is through other end intestinal tube and does pocket process.Connect reusable electric drive handle portion afterwards110.Press and hold rotating forward button 111 with Guan Bi nail anvil head 132 and nail bin 131 to indicating window Green Zone, be i.e. now placed in osculatingIn portion 130, the tissue of squeezing is in and reasonably extrudes thickness.If pin rotating forward button 111 always, when arriving maximum close thicknessTime transmission mechanism 120 can stop and entering firing action by automatic spacing, during maximum close thickness namely titanium alloy nail becomes nail highState when degree is minimum.Can be increased or decreased by regulation vernier knob 123 when tissue is in reasonably extruding thicknessBecome staple height.Continue to press rotating forward button 111 after fine setting and keep the state pressed, it is achieved the percussion of stapler 100 is also cut offIntestinal tube tissue between nail bin 131 and nail anvil head 132.Then press and hold reversion button 112 about two seconds or feelMotor starts to unclamp reversion button 112 during stall, and extracts stapler 100 from intestinal tube.
In the embodiment of the present invention stapler part drawing as it is shown on figure 3, first sleeve 121A one end outside be left-handed outsideScrew thread, the part that the second sleeve pipe 121B docks with first sleeve 121A is dextrorotation external screw thread.Vernier knob 123 is used for connecting firstSleeve pipe 121A and the second sleeve pipe 121B.First spacer pin 125 is fixed on the second sleeve pipe 121B.First sleeve 121A and the second setFirst sleeve 121A and second when ensureing to rotate vernier knob 123 by two the second spacer pins 126 of insertion between pipe 121BSleeve pipe 121B can only axially move, and two ends of the second spacer pin 126 lay respectively at first sleeve 121A and the second sleeve pipeIn 121B, so do not interfere with first sleeve 121A and the direction of relative movement of the second sleeve pipe 121B.Outside first sleeve 121APortion is provided with the alignment pin 124 that can enter within first sleeve 121A, and alignment pin 124 is fixedly connected in first sleeve 121A, theSleeve 121A correspondence alignment pin 124 is provided with the through hole that alignment pin 124 can be made to stretch into.
The embodiment of the present invention is used two the second spacer pins 126, but the number of the second spacer pin 126 can also be oneOr it is multiple, as long as first sleeve 121A and the second sleeve pipe 121B can only axially move when ensure that rotation vernier knob 123?.Alignment pin 124 in the embodiment of the present invention can be spring catch, it is also possible to can realize the stapler of the present invention for otherThe pin of effect.
The inside of the Guan Bi display externally-located sleeve pipe of sleeve pipe 127.Guan Bi display sleeve pipe 127 includes first end and the second endPortion.First end is circumferentially disposed has a circle hole 127A, location hole 127A to penetrate Guan Bi display sleeve pipe 127.SecondArrange to observe annular flange flange 127B of Guan Bi progress on end.Set between first sleeve 121A and Guan Bi display sleeve pipe 127Putting the first spring 128, the first spring 128 is used for abutting Guan Bi display sleeve pipe 127.
In the externally-located sleeve pipe of transmission main shaft 129, relatively rotate with outer sleeve and coordinate.Along its footpath on transmission main shaft 129To the groove being provided through.Transmission main shaft 129 is provided with lead 129A fixedly connected thereto.Transmission main shaft 129First axle sleeve 1210 and the second axle sleeve 1211 is set outside two ends, in order to axial positioning transmission main shaft 129 so that it is can only do and rotateMove and can not move forward and backward.
Guan Bi main shaft 1212 is positioned at the inside of transmission main shaft 129, and Guan Bi main shaft 1212 is with transmission main shaft 129 screw thread evenConnect.The groove being radially provided through on Guan Bi main shaft 1212.First spacer pin 125 stretches into the groove of Guan Bi main shaft 1212In rotate limiting Guan Bi main shaft 1212, this groove makes Guan Bi main shaft 1212 along the axially extending certain length of Guan Bi main shaft 1212Can translate by relative first spacer pin 125.First spacer pin 125 leading to completely through Guan Bi main shaft 1212 in the embodiment of the present inventionGroove, and the two ends of the first spacer pin 125 are all fixed on the second sleeve pipe 121B.But the position of the first spacer pin 125 is not limited toThis kind of mode, rotates as long as guaranteeing to limit Guan Bi main shaft 1212.Can be such as that one end of the first spacer pin is fixedOn the second sleeve pipe 121B, the other end stretches in the groove closing main shaft 1212 but does not fixes with the second sleeve pipe 121B and be connected.
Guan Bi main shaft 1212 is made translation and is advanced or retreat when being driven by transmission main shaft 129.Transmission main shaft 129 and Guan Bi main shaftArranging the second spring 1213 between 1212, the second spring 1213 is used for abutting Guan Bi main shaft 1212.
Transmission sleeve pipe 1214 is enclosed within the outside of Guan Bi main shaft 1212 rotationally.One end of transmission sleeve pipe 1214 is outwardlyGroove on transmission main shaft 129, and form the boss abutted against with Guan Bi display sleeve pipe 127.Adapter sleeve 1215 is positioned at biographyThe outside of dynamic main shaft 129, threadeds with transmission main shaft 129.Ejector pin pipe 1216 is enclosed within outside one end of transmission main shaft 129, energyEnough abut against with adapter sleeve 1215.3rd spring 1217 is sleeved on one end of ejector pin pipe 1216 and is pressed in the second sleeve pipe 121B'sInner radial wall.
Nail bin 131 includes staple cartridge body 131A, is positioned at the nail pushing device 131B within staple cartridge body 131A, cutting blade 131CAnd nail bin support 131D.Nail bin 131 is fixing with the second sleeve pipe 121B to be connected.
One end of connector strip 1218 is fixedly connected on Guan Bi main shaft 1212, and the other end is fixedly connected on closed draw axleOn 1219.Connector strip 1218 can be elastic coupling band, it is also possible to be capable of the connector strip of connection function for other.Guan Bi is ledDraw axle 1219 to be connected with nail anvil head 132, it is also possible to separate with nail anvil head 132.
When working below in conjunction with the stapler of the embodiment of the present invention, to describe its work in detail former for the profile of transmission mechanismReason.
Connect electric drive handle portion with transmission mechanism to connect power input, the reeded circle of band that transmission mechanism stretches outShape patch can be fixed with electric drive handle portion, and the inner hexagonal hole output rotary motion on electric drive handle portion main shaft is six to frontThe transmission main shaft 129 of dihedral.
As shown in Figure 4, vernier knob 123 revolves state before stapler Guan Bi with first sleeve 121A and the second sleeve pipe 121BTightly, the two is made to be in abutting state.Alignment pin 124 is fixedly connected in first sleeve 121A and shows sleeve pipe 127 bullet with Guan BiProperty abut.The first spring 128 between externally-located sleeve pipe and Guan Bi display sleeve pipe 127 is in half-compressed state, now closesShow that annular flange flange 127B on sleeve pipe 127 is not also entered to appear from the form 122 being positioned at first sleeve 121A.It is positioned at simultaneouslyThe second spring 1213 between transmission main shaft 129 and Guan Bi main shaft 1212 is similarly in relaxation state.The interior spiral shell of transmission main shaft 129The external screw thread of line and Guan Bi main shaft 1212 all engages.Lead 129A on transmission main shaft 129 is stuck in Guan Bi display sleeve pipe 127Chute in.
Pressing rotating forward button, transmission main shaft 129 turns clockwise, and is stuck in the guiding in the chute of Guan Bi display sleeve pipe 127Post 129A drives Guan Bi display sleeve pipe 127 to do rotating Vortex motion, the outside of adapter sleeve 1215 and Guan Bi with transmission main shaft 129The inside of display sleeve pipe 127 is all D-shaped, adapter sleeve 1215 meeting being assemblied on transmission main shaft 129 and Guan Bi display sleeve pipe 127Rotate simultaneously.Groove within Guan Bi main shaft 1212 is passed by the first spacer pin 125 thus limits it and rotate, therefore transmissionWhen main shaft 129 turns clockwise, its internal screw thread drives Guan Bi main shaft 1212 to move horizontally to the left.Guan Bi main shaft 1212 is to the leftPromote when moving horizontally and be positioned at the transmission sleeve pipe 1214 within transmission main shaft 129 and move horizontally to the left.Due to transmission sleeve pipe 1214The outwardly groove on transmission main shaft 129 in one end, and formed can with the Guan Bi display boss that abut against of sleeve pipe 127, because ofThis transmission sleeve pipe 1214 does the rotary motion with transmission main shaft 129 simultaneously.When the boss being positioned on transmission sleeve pipe 1214 abuts toTime on Guan Bi display sleeve pipe 127, transmission sleeve pipe 1214 can promote Guan Bi display sleeve pipe 127 to move horizontally to the left.Guan Bi main shaftDuring 1212 move horizontally to the left, the second spring 1213 between transmission main shaft 129 and Guan Bi main shaft 1212 is subject toThe pressure carrying out self-closing main shaft 1212 is gradually compressed.Same, between externally-located sleeve pipe and Guan Bi display sleeve pipe 127 theOne spring 128 is the most gradually compressed.
When the lead 129A on transmission main shaft 129 slips into the bore hole that Guan Bi shows within sleeve pipe 127, as it is shown in figure 5,Guan Bi main shaft 1212 departs from transmission main shaft 129 threadeds, i.e. the external screw thread of Guan Bi main shaft 1212 all passes through transmission main shaftThe internal thread of 129, now from being positioned at first sleeve 121A on display window 122 it is observed that be positioned at Guan Bi display sleeve pipeAnnular flange flange 127B on 127, illustrates that the nail anvil head of stapler and nail bin close and squeeze tissue to rational thickness, the greenestDistrict, now can enter cock.Meanwhile, the alignment pin 124 being fixed in first sleeve 121A also slides into Guan Bi display setHole, location 127A on pipe 127 circumference also limits Guan Bi display sleeve pipe 127 and is rotated, and adapter sleeve 1215 and Guan Bi are aobviousShow that sleeve pipe 127 can not rotate due to the restriction of alignment pin 124.
Before entering cock anastomosed tissue, can use vernier knob 123 impression tissue squeezing elasticity (according toTorsion is estimated) and suitably adjust.The fine setting principle of the thickness of tissue squeezing is as follows:
Nail anvil head is connected on closed draw axle and Guan Bi main shaft 1212, when the indicating window in first sleeve 121AWhen annular flange flange 127B on display Guan Bi display sleeve pipe 127 enters Green Zone, the external screw thread of Guan Bi main shaft 1212 is fully screwed into biographyDynamic main shaft 129, no longer has relative motion between transmission main shaft 129 and Guan Bi main shaft 1212, and its position becomes fixing.Nail bin andTwo sleeve pipe 121B, for being permanently fixed connection, now by vernier knob 123 precession or back-out the second sleeve pipe 121B, i.e. achieve nailThe adjustment of the spacing of anvil head and nail bin.
The coupling part of first sleeve 121A and the second sleeve pipe 121B and vernier knob 123 is respectively sinistral external thread and the right sideRotation external screw thread.The left side, inside of vernier knob 123 is levogyrate inner thread, and the right is dextrorotation internal thread.First sleeve 121A andInserted by two spacer pins between two sleeve pipe 121B, first sleeve 121A and the second sleeve pipe 121B when rotating vernier knob 123Can only axially move, this mechanism does not interferes with handle portion and the relative direction of the second sleeve pipe 121B while achieving fine setting.
Entering cock after fine setting, continue to pin forwarding button, main shaft continues to rotate, it will make and transmission masterThe adapter sleeve 1215 that external screw thread (left-handed) on axle 129 assembles carries out linear motion to the right thus promotes and adapter sleeveThe ejector pin pipe 1216 that 1215 abut against travels forward and realizes ejector pin action.Effective by within adapter sleeve 1215 of the stroke of ejector pinReach determines.The state that in the embodiment of the present invention, stapler percussion puts in place is as shown in Figure 6.3rd spring 1217 by fromThe pressure of ejector pin pipe 1216 and be in confined state.
Opening stapler after completing percussion, pin retrogressing (reversion) button of electric drive handle, transmission main shaft 129 startsReversion.Under the active force of the 3rd spring 1217, the internal thread of adapter sleeve 1215 is with the external screw thread on transmission main shaft 129 againEngagement.The second spring 1213 active force underdrive main shaft 129 internal thread and Guan Bi main shaft 1212 external screw thread also simultaneouslyEngagement counter motion.Open between nail anvil head and nail bin, unclamp reversion button and extract apparatus.If not timely release button, whenWhen screw thread in adapter sleeve 1215 and transmission main shaft 129 are screwed to dead point, motor generation stall, remind doctor's release button and pull outGoing out apparatus, this function can effectively prevent from opening between nail anvil head and nail bin too much, makes nail anvil head depart from apparatus thus is retained in diseaseIn human body.
Transmission main shaft 129 and the Guan Bi main shaft 1212 of above-mentioned stapler are threaded, when transmission main shaft 129 rotates, and Guan BiMain shaft 1212 is driven by transmission main shaft 129 and translates, and when the screw thread closing main shaft 1212 is fully screwed into transmission main shaft 129, closesClose and no longer have relative motion between main shaft 1212 and transmission main shaft 129, complete the process of Guan Bi.In closing course, close main shaft1212 simultaneously drive Guan Bi display sleeve pipe 127 translates, and when Guan Bi completes, alignment pin 124 enters the inside of outer sleeve, limitsAdapter sleeve 1215 and Guan Bi display sleeve pipe 127 rotate.When transmission main shaft 129 continues to rotate, it will make and transmission main shaft 129Threaded adapter sleeve 1215 carries out horizontal translation thus promotes the ejector pin pipe 1216 abutted against with adapter sleeve 1215 realExisting ejector pin action, completes percussion process.Accordingly, with respect to the electronic stapler of traditional two transmission mechanisms of employing, the present inventionStapler only with a transmission mechanism, during Guan Bi and percussion, need not switching button operate.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but alsoTherefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that, for those of ordinary skill in the artFor, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the guarantor of the present inventionProtect scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.