CN206080596U - Manual reset structure and anastomat that has this structure - Google Patents

Abstract

The utility model discloses a manual reset structure, its two -way movement who is used for realizing an anastomat, include: a follow -up unit for realize two -way follow -up action, a power pack works as power pack is when the primary importance, power pack drives the follow -up unit removes to the first direction, works as power pack is when the second place, power pack drives the follow -up unit removes to the second direction. Power pack includes: an antiport piece, it is used for driving the follow -up unit resets, a sliding pin, the sliding pin is arranged in inside the antiport piece, the antiport piece can wind the sliding pin axis rotates and can slide along the axis direction. When adopting the manual reset structure of this kind, the follow -up unit only need set up the one side profile of tooth, reduces the processing degree of difficulty of counter gear pole promptly, again implementation structure's ingenious rational utilization.

Description

A kind of hand-reset structure and the stapler with the structure

Technical field

The utility model is related to stapler field, and in particular to a kind of hand-reset structure and coincideing with the structure Device.

Background technology

Stapler is the equipment of the replacement manual suture for medically using, the development and manufacturing technology due to modern science and technology Improve, the stapler reliable in quality for clinically using at present is easy to use, it is tight, elastic suitable, especially its suture it is quick, It is easy to operate and seldom have the advantages that side effect and postoperative complication, also cause the tumor operation that cannot be cut off in the past to be able to aura Excision, very by the favor and high praise of domestic and international Clinical Surgery doctor.Stapler main operational principle be using titanium nail to organize into Row detachment is coincide, similar to stapler.

Realize resetting using circuit logic because the resetting structure of stapler is most, but under special circumstances, due to circuit Failure, causes stapler to reset, and the dire consequences that can not be expected can be produced to whole medical procedure, therefore, in stapler Upper addition hand-reset structure is particularly necessary, and in hand-reset, designs a kind of structure to realize the effect of hand-reset It is urgently to be resolved hurrily that rate is maximized.

In view of drawbacks described above, it is new that the utility model creator obtains this practicality finally through prolonged research and practice Type.

Utility model content

To solve above-mentioned technological deficiency, the technical solution adopted in the utility model is, there is provided a kind of hand-reset structure, It is used to realize the way moving action of a stapler, including：

One with moving cell, for realizing two-way slave action；

One power unit, when the power unit is in first position, the power unit drive it is described with moving cell to First direction is moved, when the power unit is in the second place, with moving cell to second party described in the power unit drive To movement.

Preferably, the power unit includes：One rotates backward part, and it is used to driving and described is resetted with moving cell； One sliding pin, the sliding pin be placed in it is described rotate backward inside part, the part that rotates backward can be around the sliding pin axis Rotate and can slide in the axial direction；

The part bottom that rotates backward arranges a reverse gear, when the power unit is located at the second place, institute State reverse gear to engage with moving cell with described.

Preferably, the hand-reset structure also includes a positive gear, the sliding pin runs through the positive gear, institute State positive gear to rotate around the sliding pin, and the positive gear can slide axially along the sliding pin；When the power When unit is located at the first position, the positive gear is engaged with described with moving cell.

Preferably, described rotating backward be additionally provided with part an engaging detent and an idle running draw-in groove, by moving down or upper shifting The part that rotates backward makes the idle running draw-in groove and the engaging detent by alternately clamping.

Preferably, it is described rotate backward part top arrange a rotation hole, the rotation hole can connect a shape and its The crank structure for matching.

Preferably, the profile of tooth bottom of the reverse gear is wedge shape, the profile of tooth top of the rack bar is similarly wedge shape.

Preferably, the power unit also includes that one rotates briquetting, the rotation briquetting bottom rotates backward part with described Top phase clamping, is provided with a rotation hole on the rotation briquetting, the rotation hole runs through the rotation briquetting.

Preferably, the part top that rotates backward connects a rotating bar, the rotating bar passes through with the part that rotates backward One bearing pin connects, and the rotating bar is provided with a kink, and the part that rotates backward is provided with a conflict boss, rotates described turning Lever, the kink is engaged with the conflict boss, and the part that rotates backward is pressed down.

Preferably, being provided with a reset boss in the rotating bar, it is used for when the reset boss and external structure phase During conflict, the rotating bar drives and rotates backward part upward sliding.

A kind of stapler with hand-reset structure described above.

Compared with the prior art the beneficial effects of the utility model are：1st, it is described rotate backward part can in crank structure or Continuous rotation is realized under the drive of rotating bar, and then accelerates the reset rotational efficienty of rack；2nd, using the switching engagement card Groove changes the operating position of the power unit with the clamped condition of the idle running draw-in groove, so as to realize only by switching work The moving forward and backward with moving cell is driven with engaging for one side profile of tooth on the rack as state, that is, is reduced to gear The difficulty of processing of bar multiaspect profile of tooth, realizes the ingenious reasonable utilization of structure again；3rd, using crank structure as spare part structure, only when Just installed when needs, the weight of whole device can be mitigated, avoid maloperation to trigger hand-reset structure again.

Description of the drawings

Technical scheme in order to be illustrated more clearly that each embodiment of the utility model, below will be to institute in embodiment description The accompanying drawing that needs are used is briefly described.

Fig. 1 is the schematic diagram of hand-reset structure of the present utility model；

Fig. 2 is the schematic diagram one of power unit of the present utility model；

Fig. 3 is the schematic diagram two of power unit of the present utility model；

Fig. 4 is clamping subelement external structure schematic diagram；

Fig. 5 is clamping subelement tail end internal structure schematic diagram；

Fig. 6 is staple cartridge tray structure of glide path schematic diagram；

Fig. 7 is resist-nailed seat internal structure schematic diagram；

Fig. 8 is cutter structural representation；

Fig. 9 is nail bin groupware structural representation；

Figure 10 is gun barrel overall structure profile；

Figure 11 is clamping transmission subunit front-end architecture schematic diagram；

Figure 12 is clamping transmission subunit end construction schematic diagram；

Figure 13 is the first fixed cover structural representation；

Figure 14 is shearing transmission subunit structural representation；

Figure 15 is rotary drive sub-unit structure schematic diagram；

Figure 16 is head position view in rotation；

Figure 17 is rotation STATEMENT OF FEDERALLY SPONSORED structural representation；

Figure 18 is swivel joint schematic internal view；

Figure 19 is the connection diagram of inner core and rotation STATEMENT OF FEDERALLY SPONSORED；

Figure 20 is rotary head structural representation；

Figure 21 is rotating base structural representation；

Figure 22 is locked out bar structural representation；

Figure 23 is automatic reset structure schematic diagram；

Figure 24 is rotational structure schematic diagram.

Specific embodiment

Below in conjunction with accompanying drawing, and technical characteristic and advantage of other above-mentioned to the utility model are described in more detail.

As shown in figure 1, it is the schematic diagram of hand-reset structure of the present utility model.

The hand-reset structure, it is used to realize the way moving action of a stapler, including：

One with moving cell, for realizing two-way slave action；

One power unit, when the power unit is in first position, the power unit drive it is described with moving cell to First direction is moved, when the power unit is in the second place, with moving cell to second party described in the power unit drive To movement；The first direction and the second direction can be contrary direction；

Wherein, described is a rack bar 232 ' with moving cell.

The power unit includes：One rotates backward part 222, a sliding pin 212, a positive gear 211；

The positive gear 211 is internally provided with the sliding pin 212, and the positive gear 211 is around the sliding pin 212 Rotate, and the positive gear 211 can slide axially along the sliding pin 212；When the power unit is at described first When putting, the bottom of positive gear 211 is meshed with a power output component 41 ', the top of positive gear 211 and the tooth Bar 232 ' is meshed；The rack bar 232 ' the side that contacts with the positive gear 211 is provided with bi-directional teeth 2321 '；

The power output component 41 ' its be used to deliver power to the hand-reset structure, the power output group Part 41 ' drives the positive gear 211 to rotate, and then makes the positive gear 211 drive the rack bar being meshed therewith 232 ' move along direction.

It is described to rotate backward part 222 for driving the rack bar 232 ' to move along inverse direction with reference to shown in Fig. 2, institute State and rotate backward one rotation hole of the top of part 222 setting, the rotation hole can connect the crank knot that a shape matches with it Structure, the bottom of part 222 that rotates backward is arranged on a reverse gear 2223, the reverse gear 2223 and the rack bar 232 ' The profile of tooth of bi-directional teeth 2321 ' match；Described rotating backward be socketed inside part 222 sliding pin 212, described reverse turn Moving part 222 is rotated around the sliding pin 212, and the part 222 that rotates backward can slide axially along the sliding pin 212；

Described rotating backward is additionally provided with an engaging detent 2221 on part 222, arrange in corresponding external structure There is an annular fixture block, the engaging detent 2221 can be with the annular fixture block phase clamping；Described rotating backward also sets on part 222 Be equipped with an idle running draw-in groove 2222, by move down or upper shifting described in rotate backward part 222 and make the idle running draw-in groove 2222 and described nibble Close draw-in groove 2221 to replace and the annular fixture block phase clamping, the working condition of part 222 is rotated backward described in conversion, when the engagement With the annular fixture block in clamped condition, the part 222 that rotates backward only can be around the axis of the sliding pin 212 for draw-in groove 2221 Direction rotate, when it is described idle running draw-in groove 2222 with the annular fixture block in clamped condition when described in rotate backward part 222 equally only Can rotate around the axis direction of the sliding pin 212；When the engaging detent 2221 is with external structure phase clamping, the power Unit is switched to the second place, and the reverse gear 2223 is nibbled with the bi-directional teeth 2321 ' on the rack bar 232 ' Close, the positive gear 211 departs from the bi-directional teeth 2321 ' on the rack bar 232 '；When the idle running draw-in groove 2222 With during external structure phase clamping, the power unit is switched to the first position, the reverse gear 2223 and the tooth bar The bi-directional teeth 2321 ' on bar 232 ' departs from, the bi-directional teeth on the positive gear 211 and the rack bar 232 ' 2321 ' engagements；

When the reverse gear 2223 is along 212 slide downward of sliding pin, under normal circumstances only when described reverse When tooth/the teeth groove of gear 2223 is corresponding with the teeth groove/tooth of the bi-directional teeth 2321 ', the reverse gear 2223 can be suitable Profit is slided and engaged with the bi-directional teeth 2321 ', if the tooth/teeth groove of the reverse gear 2223 and the bi-directional teeth 2321 ' Teeth groove/tooth it is inconsistent when, the reverse gear 2223 can not smoothly slip into the bi-directional teeth 2321 '；It is of the present utility model The profile of tooth bottom of the reverse gear 2223 is wedge shape, and the profile of tooth top of the bi-directional teeth 2321 ' is similarly wedge shape, wedge shaped Profile of tooth is inconsistent with the teeth groove/tooth of the bi-directional teeth 2321 ' by the tooth/teeth groove for greatly reducing the reverse gear 2223 Area, facilitates the reverse gear 2223 to slip into the bi-directional teeth 2321 ', and then realizes that the reverse gear 2223 is double with described To the engagement of tooth 2321 '；And wedge shaped profile of tooth will be realized when the reverse gear 2223 and the bi-directional teeth 2321 ' are engaged Guide effect, facilitates the reverse gear 2223 to be engaged when there is some slight misalignment with the bi-directional teeth 2321 '；

Part 222 is rotated backward described in pushing, the part 222 that rotates backward glides along the sliding pin 212, made described reverse Tumbler 222 departs from the positive gear 211 from the state ejection engaged with the bi-directional teeth 2321 ', while making described anti- The bi-directional teeth 2321 ' is slipped into gear 2223, when slipping down to certain position, the engaging detent 2221 mutually blocks with external structure Connect, the crank structure is installed, make the crank structure and the rotation hole phase clamping, rotate the crank structure and then drive The part 222 that rotates backward is rotated, and the reverse gear 2223 arranged on part 222 that rotates backward is around the sliding pin 212 rotate, and the reverse gear 2223 further drives the rack bar 232 ' to move along inverse direction；Lift described rotating backward Part 222, the part 222 that rotates backward is moved along the sliding pin 212, the reverse gear 2223 and the bi-directional teeth 2321 ' Depart from, when above moving on to certain position, the idle running draw-in groove 2222 and external structure phase clamping, make described in rotate backward part 222 not As for slippage.

Change the work of the power unit using the engaging detent is switched with the clamped condition of the idle running draw-in groove Position, so as to realize only by switch operating state come with the rack one side profile of tooth to engage drive described with moving cell Move forward and backward, that is, reduce the difficulty of processing to rack multiaspect profile of tooth, the ingenious reasonable utilization of structure is realized again.

The bottom of positive gear 211 is provided with a spring, and it is used to promote the rebound reset of positive gear 211.

Rotate backward unlike the structure of part 222 from described above, it is described to rotate backward arrange on part 222 described and nibble It can also be fixture block form to close draw-in groove 2221, and in the external structure corresponding with the fixture block form draw-in groove is provided with；

Rotate backward unlike the structure of part 222 from described above, it is described to rotate backward the described of the top of part 222 setting Rotation hole can rotate block structure for one, and the moving block connects the crank structure that a shape matches with it, in the crank The pivoting of part 222 is rotated backward described in realizing under the drive of structure.

The power unit also includes that one rotates briquetting 221, and on the rotation briquetting 221 rotation hole is provided with, described Rotation hole rotates backward the top phase clamping of part 222 through the rotation briquetting 221, the rotation bottom of briquetting 221 with described；If Putting the purpose of the rotation briquetting 221 is, push or pull up it is described rotate backward part 222 when, increase the stress surface of hand Product, it is convenient that the part 222 that rotates backward is pressed and pulled up, and structure is attractive in appearance.

As shown in figure 3, from unlike power unit described above, the top of part 222 that rotates backward can connect one Rotating bar 223, the rotating bar 223 is connected with the part 222 that rotates backward by a bearing pin, and the rotating bar 223 can be around The bearing pin is rotated, and the rotating bar 223 is provided with a kink, and the part 222 that rotates backward is provided with a conflict boss, when turning When moving the rotating bar 223, the kink is engaged with the conflict boss, and the part 222 that rotates backward is pressed down, described Rotate backward part 222 to glide along the sliding pin 212, make it is described rotate backward part 222 by the positive gear 211 from it is described The state ejection of the engagement of bi-directional teeth 2321 ' departs from, while making the reverse gear 2223 slip into the bi-directional teeth 2321 ', glides During to certain position, the engaging detent 2221 and external structure phase clamping；The end head of the rotating bar 223 1 is provided with one turn Fixed handle 224, when the rotating bar 223 is rotated whne turned position by initial position, rotates the rotation handle 224, and then Make the rotating bar 223 drive it is described rotate backward part 222 and rotate around the sliding pin 212, the reverse gear 2223 is further The rack bar 232 ' is driven to move along inverse direction；

When the rack bar 232 ' slides in place, rotate the rotating bar 223 around bearing pin and return initial position, the rotation A reset boss is provided with bar 223, the reset boss is inconsistent with external structure, and then drives the rotating bar 223 Rotate backward the upward sliding of part 222, the part 222 that rotates backward is moved along the sliding pin 212, the reverse gear 2223 with The bi-directional teeth 2321 ' departs from, when above moving on to certain position, the idle running draw-in groove 2222 and external structure phase clamping, make described in Rotate backward part 222 to be unlikely to slip.

A kind of stapler with above-mentioned hand-reset structure, different from said structure, it also includes：

One performance element, for realizing clamping, shearing and stapling function action；One gear unit, for power to be transmitted To described performance element；One control unit, for controlling the when program process of above-mentioned functions realization；One power unit, for defeated Go out to be clamped, shear and stapling action power；One battery unit, for powering to motor and circuit.One clamps holding list Unit, is in closure state for maintaining the close handles；One automatically resets unit, for make in non-locking state rotary head from It is dynamic to reset.

Described performance element includes：One clamping subelement, a cutting subelement and a stapling subelement.

As Figure 4-Figure 7, the clamping subelement is used to complete the holding action to treatment target, described clamping Unit includes：Resist-nailed seat 111 and staple cartridge tray 121, the staple cartridge tray 121 is provided with staple cartridge tray slideway 122, the staple cartridge tray slideway 122 two ends are respectively staple cartridge tray slipway location 1 and staple cartridge tray slipway location 2 1222, and the bottom of the staple cartridge tray 121 is provided with One staple cartridge tray glidepath 124, the resist-nailed seat 111 includes that slide rail 1112, resist-nailed seat forming tank 1113, resist-nailed seat are slided on resist-nailed seat Block 1111 and arc groove 1114, the resist-nailed seat slide block 1111 is placed in staple cartridge tray slideway 122, can be along staple cartridge tray slideway 122 Slide.The outer cover of the arc groove 1114 is equipped with the second holster 112, and second holster 112 has a projection, when the second holster During axially-movable, power is acted on arc groove 1114 by the projection, for moving resist-nailed seat slide block 1111.When described to nail Seat slide block 1111 is located at staple cartridge tray slipway location 2 1222, the open-shaped state of resist-nailed seat 111.When resist-nailed seat slide block 1111 is located at When at staple cartridge tray slipway location 1, resist-nailed seat 111 is in closure state.The clamping subelement is by the second holster 112 Axially-movable completes the clamping of staple cartridge tray 121 and resist-nailed seat 111.

As shown in figure 8, the cutting subelement is used to carry out shear treatment to treatment target after stapling action.Described Cutting subelement includes cutter 151.The cutter 151 include：Raised 152, cutting edge 153 and cutter on cutter Sliding block 154.Raised 152 slide on resist-nailed seat in slide rail 1112 on the cutter, and the cutter sliding block 154 is in nail Slide in storehouse seat glidepath 124.Cutter back projection 155 is combined with push broach bar 231, and the push broach bar 231 is promoted and cut Cutter 151 slides, for cutting object.

As shown in figure 9, the stapling subelement is used to complete the stapling action to treatment target.Described stapling subelement Including nail bin groupware.The nail bin groupware includes nail bin 1231, anastomosis staple 1232, the first pushing slice of nail 1233, the second pushing slice of nail 1234th, the 3rd pushing slice of nail 1235, ejector pin slide plate 1236 and nail bin cover 1237.The cutter 151 withstand ejector pin slide plate 1236 to Near the motion of nail bin direction, in the presence of ejector pin slide plate 1236, the first pushing slice of nail 1233, the second pushing slice of nail 1234 and the 3rd are pushed away Nail piece 1235 drives anastomosis staple 1232 to fire upwards, and the anastomosis staple 1232 after percussion clashes into resist-nailed seat forming tank 1113, kisses then Dowel 1232 is changed into B fonts, completes suture.

Described gear unit includes：One clamping transmission subunit, for moving to described clamping subelement transmission clamping Make；One stapling transmission subunit, for described stapling subelement transmission stapling action；One shearing transmission subunit, is used for To described cutting subelement transmission shear action；One rotary drive subelement, for clamping subelement transmission spinning movement； One rotates transmission subunit, for locking the rotational angle of the clamping subelement.

Wherein, described stapling transmission subunit and shearing transmission subunit shares same structure.

As shown in Figure 10-Figure 13, described clamping transmission subunit includes：Drive link 215, the first fixed cover 214, second Fixed cover 213, the first holster 212, closing spring 218, the first connection sheet 2173 and the second connection sheet 2174, described first fixes Set 214 is hinged by the first fixed cover bearing pin 2141 with drive link 215.First fixed cover 214 is loop configuration, inside it It is provided with the first fixed cover draw-in groove 2142.First holster 212 is provided with the first holster draw-in groove 2124.First holster 212 One end is put in inside the first fixed cover 214 so that the first holster draw-in groove 2124 is docked with the first fixed cover draw-in groove 2142 to be put Put, so as to form annular groove.Second fixed cover 213 is placed in the annular groove, for the first holster of clamping 212. Therefore, first protective case 214, the second protective case 213 form fixed relationship with first holster 212, define described First holster 212 along the defined axial movement of first holster 212, but can not only limit it perpendicular to axial plane Interior rotation.The other end of first holster 212 and the second holster 112 are by the first connection sheet 2173 and the second connection sheet 2174 Connection so that the axially-movable of first holster 212 can drive the axially-movable of the second holster 112, and then control resist-nailed seat 111 opening or closure.

As shown in figure 14, described shearing transmission subunit includes：Rack 232, pull bar 233 and push broach bar 231, it is described Push broach bar 231 includes four sub-links arranged side by side, and described one end of push broach bar 231 is fixedly connected with cutter 151, the push broach bar 231 other ends and the clamping of pull bar 233, the pull bar 233 is also connected with rack 232.The pull bar 233 and the push broach bar 231 connection one end are provided with pull bar groove 2331, for connecting the push broach bar 231.The push broach bar 231 is connected with pull bar 233 There is push broach bar projection 2311 one end, and the push broach bar projection 2311 is fixedly connected with the pull bar groove 2331.The rack 232 one end are provided with rack clamping groove 2324, and the pull bar 233 connects the one end of the rack 232 and is provided with pull bar shackle member 2332, the pull bar shackle member 2332 is fixedly connected with the rack clamping groove 2324.

As shown in figure 15, the rotary drive subelement includes：Rotation fresh idea 251, the holster of swivel joint 252 and first 212.The rotation fresh idea 251 is connected with the portion of the handle of stapler, and the holster 212 probes into human body as by minimally invasive mouth An internal part, and an axle can be defined, the other structures for probeing into inside of human body are extended along the axle.

The swivel joint 252 includes relative two part, and two parts connect male by the swivel joint 2521 be connected with swivel joint female 2522 carry out it is affixed.

Shown rotation fresh idea 251 has a rotary flower head portion and a rotary flower head-tail, shown rotary flower head portion It is mutually close with the swivel joint 252.The rotary flower head-tail is in flower shape, to facilitate operator to use.Such as Figure 16 institutes Show, the rotation fresh idea 251 is also included 2511 in a rotation wrapped up by the swivel joint 252, the rotation fresh idea 251 are attached by way of clamping with the swivel joint 252, and the swivel joint 252 can be driven to carry out edge An axial direction is moved defined in first holster 212, and the rotation fresh idea 251 can rotate, and drive Other related structures are rotated, but the swivel joint 252 not necessarily carry out simultaneously with the rotation fresh idea 251 with Rotated in the vertical plane of axle defined in first holster 212.It is described rotation fresh idea 251 rotate when, First holster 212 can be driven to be rotated in the plane vertical with axle defined in first holster 212.

As shown in Figure 17, Figure 18, the swivel joint 252 is provided with a rotation STATEMENT OF FEDERALLY SPONSORED 253, and the rotation STATEMENT OF FEDERALLY SPONSORED 253 is One circulus, the rotation STATEMENT OF FEDERALLY SPONSORED 253 is provided with that linkage caves in 2531, linkage is raised 2532, the and of clamping groove 2533 Clamping projection 2534.The clamping groove 2533 and clamping projection 2534 are connected together, for fixedly locked pull lever 2743 Away from one end of securing rod 274.The rotation STATEMENT OF FEDERALLY SPONSORED 253 is a circulus, and rotation STATEMENT OF FEDERALLY SPONSORED 253 described first includes The flange of one projection, the flange and head phase clamping in the rotation, head can drive the rotation linkage in the rotation Part carries out being moved along the axial direction of the first holster 212, and this motion in axial direction is by the flange and the rotation Head clamping in turning is realized.

The rotation STATEMENT OF FEDERALLY SPONSORED 253 includes that some linkages cave in 2531, and the linkage caves in 2531 along the rotation linkage The outer wall inward wall of part 253 sink, and in outer wall hole shape structure is formed, and in inwall projection is formed, and the linkage caves in 2531 described The projection formed on inwall can be engaged with first holster 212, when the rotation STATEMENT OF FEDERALLY SPONSORED 253 is by head in the rotation When 2511 drives are rotated, first holster 212 can be driven to be rotated, the rotation STATEMENT OF FEDERALLY SPONSORED 253 can be by institute State in rotation 2511 to be rotated, be due to being provided with some linkages raised 2532 in the rotation STATEMENT OF FEDERALLY SPONSORED 253, it is described Dynamic raised 2532 with the rotation in 2511 there is good clamping, when making in the rotation 2511 rotation, drive institute Linkage raised 2532 is stated so as to drive the rotation linkage block 253 to rotate.

It is the connection diagram of inner core and rotation STATEMENT OF FEDERALLY SPONSORED such as Figure 19.There is a tubulose sky in first holster 212 Chamber, including a tubular core 281, the inner core 281 has an axle similar to first holster, but the axle and differs It is fixed exactly the same with the axle of first holster 212.The first inner core is provided with the inner core 281 and lacks block 2811, the second inner core The inner core of scarce block 2812 and the 3rd lacks block 2813.Second inner core lacks block 2812 and can cave in the linkage 2531 to be carried out Match somebody with somebody, when so described rotation linkage block 2531 is rotated, the rotation linkage block 253 can be by lacking with the inner core Linkage effect between block drives the inner core 281 to be rotated.

The rotation fresh idea 251 is rotated linkage block 253 and is rotated by the rotation 2511, the rotation Linkage block 253 is rotated by the rotation that the arranges thereon 2531 drives inner core 281 that caves in first holster 212, is gone forward side by side One step drives other structures to be rotated.

The rotation linkage block 253 is synchronized motion, and institute by the rotation fresh idea 251 by rotation 2511 State swivel joint 252 to wrap in the rotation 2511 with the rotation linkage block 253.The inner core 281 is located at institute State within the first holster 212.

Linkage projection 2532 is provided with the rotation linkage block 253, the linkage block can be with a locking pull lever The locking arranged on 2743 pulls borehole jack to connect such that it is able to drive the locking pull lever 2743 to be moved, so as to drive one A little front-end architectures perform related action.In this process, other dependency structures are also driven, for example catch bar 231.

As illustrated in figs 20-22, the rotation transmission subunit includes：Rotary head 271, spring catch 2711, rotating base 272nd, securing rod 274 and locking pull lever 2743, staple cartridge tray 111 is connected with rotary head 271 by spring catch 2711；Rotary head 271 are connected with the side of rotating base 272 by latch structure 2722, and rotary head 271 can be around the rotating shaft of rotating base 272 circumferentially Rotate；One locking gathering sill 2723 is arranged at the bottom of rotating base 272, Lock spring 2741 is cased with securing rod 274 and is placed in locking In gathering sill 2723, securing rod 274 can slide in locking gathering sill 2723.The rotary head 271 is provided with ratchet 2712, institute Stating the end of ratchet 2712 has 7 teeth, and there are dentalation 2742, dentation knot in the side that contacts with ratchet 2712 of the securing rod 274 Structure 2742 can block any one tooth in ratchet 2712, limit rotary head 271 and rotate.

Securing rod 274 is provided with groove away from one end of rotary head 271, and locking pull lever 2743 is with securing rod 274 by being somebody's turn to do Groove is mutually linked.The other end and rotation STATEMENT OF FEDERALLY SPONSORED 253 clamping of the locking pull lever 2743 away from securing rod 274.

Rotation fresh idea 251 is pulled to away from the direction of resist-nailed seat 111, swivel joint 252, rotation STATEMENT OF FEDERALLY SPONSORED can be successively pulled 253rd, pull lever 2743 and securing rod 274 are locked, when dentalation 2742 is separated with ratchet 2712, rotary head 271 can rotate The axis of rotation of dynamic base 272.Suitable angle is turned to, swivel joint 252 is unclamped, the one of tooth of the ratchet 2712 can quilt Dentalation 2742 is blocked, said process, can reach the purpose for rotating staple cartridge tray 121 and resist-nailed seat 111.

As shown in figure 23, it is automatic reset structure schematic diagram；As shown in figure 24, it is rotational structure schematic diagram.It is described automatic Reset unit includes rotating base 272, rotary head 271 and release link 273.The rotating base 272 is used as the unit that automatically resets Main body supporting structure, support is played a part of with the release link 273 to the rotary head 271.

It is provided with the rotating base 272 and the quantity identical reset guide groove 2721 of the release link 273, the reset Guide groove 2721 has opening near one end of the rotary head 371, and the reset guide groove 2721 is away from the one of the rotary head 271 End is provided with plug.

The reset guide groove 2721 is used to provide the space slided for the release link 273, includes in the release link 273 The one reset limited block 2731 for swelling, 2731 position-limiting actions of the reset limited block, for preventing the release link 273 from deviating from The reset guide groove 2721, the corresponding middle end of upper section of reset guide groove 2721 is provided with logical for the reset limited block 2731 The open segment crossed.

The release link 273 with the reset limited block 2731 as division limits, including reset front end 2733 and reset after End 2732, the reset front end 2733 is partially disposed within the reset guide groove 2721 with the reset rear end 2732, The direction of motion for making the release link 273 is limited by the reset guide groove 2721.The reset front end 2733 resets including one Contact head 2734, the reset contact head 2734 is contradicted with the moment of rotation jag 2713 of setting on the rotary head 271, shape Into resistance surface.It is attached by latch structure 2722 between the rotary head 271 and the rotating base 272, makes the rotation 271 can be rotated around the latch structure 2722.

Locking gathering sill 2723 is provided with the rotating base 272 to be used to provide accommodation space for securing rod 274.

Preferred embodiment of the present utility model is the foregoing is only, is merely illustrative for the utility model, and It is nonrestrictive.Those skilled in the art understanding, can be to it in the spirit and scope that the utility model claim is limited Many changes are carried out, is changed, in addition it is equivalent, but fall within protection domain of the present utility model.

Claims (9)

1. a kind of hand-reset structure, it is used to realize the way moving action of a stapler, it is characterised in that include：

One with moving cell, and for realizing two-way slave action, described is a rack bar with moving cell；

One power unit, when the power unit is in first position, the power unit drive it is described with moving cell to first Direction is moved, and when the power unit is in the second place, the power unit drive is described to move with moving cell to second direction It is dynamic；

The power unit includes：One rotates backward part, and it is used to driving and described is resetted with moving cell；One sliding pin, institute State sliding pin be placed in it is described rotate backward inside part, the part that rotates backward can be rotated and can be along axle around the sliding pin axis Slide in line direction；

The part bottom that rotates backward arranges a reverse gear, described anti-when the power unit is located at the second place Engage with moving cell with described to gear.

2. hand-reset structure as claimed in claim 1, it is characterised in that the hand-reset structure also includes a positive tooth Wheel, the sliding pin runs through the positive gear, and the positive gear is rotated around the sliding pin, and the positive gear can Slide axially along the sliding pin；When the power unit is located at the first position, the positive gear is servo-actuated with described Unit is engaged.

3. hand-reset structure as claimed in claim 2, it is characterised in that described rotating backward be additionally provided with part an engagement Draw-in groove and one idle running draw-in groove, by move down or upper shifting described in rotate backward part make it is described idle running draw-in groove and the engaging detent handed over For clamping.

4. hand-reset structure as claimed in claim 3, it is characterised in that the part top that rotates backward arranges a rotation Hole, the rotation hole can connect the crank structure that a shape matches with it.

5. the hand-reset structure as described in claim 1-4 is arbitrary, it is characterised in that the profile of tooth bottom of the reverse gear is Wedge shape, the profile of tooth top of the rack bar is similarly wedge shape.

6. hand-reset structure as claimed in claim 5, it is characterised in that the power unit also includes that rotates briquetting, The rotation briquetting bottom rotates backward part top phase clamping with described, and a rotation hole is provided with the rotation briquetting, described Rotation hole runs through the rotation briquetting.

7. hand-reset structure as claimed in claim 3, it is characterised in that the part top that rotates backward connects a rotation Bar, the rotating bar is connected with the part that rotates backward by a bearing pin, and the rotating bar is provided with a kink, described reverse Tumbler is provided with a conflict boss, rotates the rotating bar, and the kink is engaged with the conflict boss, described reverse Tumbler is pressed down.

8. hand-reset structure as claimed in claim 7, it is characterised in that a reset boss is provided with the rotating bar, It is used for when the reset boss and external structure are inconsistent, and the rotating bar drives and rotates backward part upward sliding.

9. a kind of stapler with the hand-reset structure as described in claim 1-4 any claim.