CN209564211U - The self-locking buckle structure of parallel-moving type, sterile separator and surgical operating instrument system - Google Patents

The self-locking buckle structure of parallel-moving type, sterile separator and surgical operating instrument system Download PDF

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Publication number
CN209564211U
CN209564211U CN201821865978.4U CN201821865978U CN209564211U CN 209564211 U CN209564211 U CN 209564211U CN 201821865978 U CN201821865978 U CN 201821865978U CN 209564211 U CN209564211 U CN 209564211U
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China
Prior art keywords
spring
engaging portion
stock
flange
claw
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CN201821865978.4U
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Chinese (zh)
Inventor
王了
胡江
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Chongqing Jinshan Medical Robot Co Ltd
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Chongqing Jinshan Medical Robot Co Ltd
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Abstract

The utility model discloses a kind of self-locking buckle structure of parallel-moving type, sterile separator and surgical operating instrument system, the self-locking buckle structure of parallel-moving type includes the first engaging portion and the second engaging portion, and first engaging portion is provided with snap seats;Press section corresponding with the snap seats is provided on second engaging portion;The press section at least one end has been wholely set bolt;Spring guiding axis big end blind hole is provided among the press section;Through-hole corresponding with the spring guiding axis and third spring base are provided in the snap seats;Spring is installed between the third spring base and the spring guiding axis;Through-hole corresponding with the sheet bolt is provided on second engaging portion, the sheet bolt fastens after stretching out the through-hole with slot corresponding on power part shell.The utility model structure is simple, easy to operate, and locking and release can be realized without additional act.

Description

The self-locking buckle structure of parallel-moving type, sterile separator and surgical operating instrument system
Technical field
The utility model relates to a kind of buckle structure and its applied sterile separators and surgical operation auxiliary robot Device system.
Background technique
The medical robot of Minimally Invasive Surgery is carried out, the instrument by being fixed on joint of robot end performs the operation to patient Operation, the laparoscopic surgery robot as disclosed in CN107951565A.Specifically, the claw of instrument is the portions such as clamp or scissors Part, these components are controlled by steel wire and are operated.Due to robot particular configuration and operation the characteristics of, the claws of these instruments needs It is set to the end of an elongate rod, the steel wire for controlling claw passes through the cavity of elongate rod.
The front of stock, which is deep into abdominal cavity of patients, at the time of surgery, is operated, and therefore, this requires doctors can The whole process of accurate perception operation, the power for generating instrument and musculature, be truly reflected operating doctor on hand, make Doctor operates instrument during the movement such as picking up musculature, pushing musculature open, pick up musculature, will not be because of power Destruction that is big and generating musculature can accurately grasp surgical action weight to keep operation control more accurate.But Conventionally, as the transmission link of instrument is excessive, transmission distance is remote, therefore the friction point being driven is more, and this makes to go smoothly It is difficult to when art to the force feedback of instrument end to doctor.
According to the concrete condition of operation, need to perform the operation using the instrument of different claw structures, but in the prior art Instrument and dynamical system are overall structure, and installing and dismounting is very inconvenient.
Therefore those skilled in the art are dedicated to developing a kind of buckle structure that structure is simple and convenient to operate, in order to device The installing and dismounting of tool.
Utility model content
In view of the above drawbacks of the prior art, the technical problem to be solved by the utility model is to provide a kind of structure letters Single, easy to operate buckle structure, in order to the installing and dismounting of instrument.
To achieve the above object, the utility model provides a kind of self-locking buckle structure of parallel-moving type, including the first engaging portion With the second engaging portion, first engaging portion is provided with snap seats;It is provided on second engaging portion and the snap seats pair The press section answered;The press section at least one end has been wholely set bolt;It is big that spring guiding axis is provided among the press section Hold blind hole;
Through-hole corresponding with the spring guiding axis and third spring base are provided in the snap seats;The third spring Spring is installed between seat and the spring guiding axis;It is provided on second engaging portion corresponding with the sheet bolt logical Hole, the sheet bolt fasten after stretching out the through-hole with slot corresponding on power part shell.
Preferably, the bolt is sheet bolt.
The invention also discloses a kind of sterile separators, including the self-locking buckle structure of parallel-moving type as described above.
The invention also discloses a kind of surgical operation auxiliary robot device systems, including sterile point as described above Every device.
The beneficial effects of the utility model are: the utility model structure is simple, and it is easy to operate, it can be real without additional act Now locking and release.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one specific embodiment of the utility model.
Fig. 2 is the A-A schematic cross-sectional view of Fig. 1.
Fig. 3 is the partial enlarged view in Fig. 2 at I.
Fig. 4 is the structural schematic diagram of power part in one specific embodiment of the utility model.
Fig. 5 is the overlooking structure diagram of power part in this specific embodiment.
Fig. 6 is the E-E revolved section structural schematic diagram of Fig. 5.
Fig. 7 is the J-J schematic cross-sectional view of Fig. 5.
Fig. 8 is the L-L schematic cross-sectional view of Fig. 7.
The structural schematic diagram of sterile separator in one specific embodiment of Fig. 9 utility model.
Figure 10 Fig. 9 overlooking structure diagram.
The B-B schematic cross-sectional view of Figure 11 Figure 10.
The schematic perspective view of sterile separator in one specific embodiment of Figure 12 utility model.
Figure 13 is the left view structural representation of Fig. 1.
Figure 14 is the C-C schematic cross-sectional view of Figure 13.
Figure 15 is the partial enlarged view in Figure 14 at II.
Figure 16 is the D-D schematic cross-sectional view of Figure 13.
Figure 17 is the partial enlarged view in Figure 16 at III.
Figure 18 is the I-I schematic cross-sectional view of Figure 13.
Figure 19 is the partial enlarged view in Figure 18 at VII.
Figure 20 is the attachment structure schematic diagram of sterile separator and power part in one specific embodiment of the utility model.
Figure 21 is to remove the structural schematic diagram after instruments box in one specific embodiment of the utility model.
Figure 22 is the E-E schematic cross-sectional view of Figure 21.
Figure 23 is the F-F schematic cross-sectional view of Figure 21.
Figure 24 is the partial enlarged view in Figure 23 at IV.
Figure 25 is the partial enlarged view in Figure 23 at V.
Figure 26 is the partial enlarged view in Figure 21 at VI.
Figure 27 is the M direction view of Figure 21.
Figure 28 is the N direction view of Figure 21.
Figure 29 is that the transmission of stock pierce tap driving wheel and stock rotating wheel in one specific embodiment of the utility model is illustrated Figure.
Figure 30 is the schematic cross-sectional view of Figure 29.
Figure 31 is the partial enlarged view in Figure 30 at VII.
Figure 32 is the schematic cross-sectional view of G-G in Figure 30.
Figure 33 is the structural schematic diagram of claw in one specific embodiment of the utility model.
Figure 34 is the schematic cross-sectional view of H-H in Figure 33.
Figure 35 is the P of Figure 33 to structural schematic diagram.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples:
As shown in Fig. 1 to Figure 35, a kind of surgical operation auxiliary robot device system, including power part 100, sterile separation Device 200 and instrument 300.
In the present embodiment, power part includes four power packages, and four power packages 101 are arranged side by side in rectangle.It is specific real at other It applies in mode, according to specific needs, such as the quantity of instrument claw operation freedom degree, the quantity of power packages is set.Certainly, One power packages can be only set, exported by the one or more of running part, to achieve the purpose that control device claw moves.
As shown in Figure 1 to Figure 3, four power packages include motor 101, and each motor 101 is connected with retarder 102, are slowed down Telescopic output flange 104 is set on the output shaft 103 of device.Output flange 104 can be with the transition method of sterile separator 200 Orchid 201 connects, and counter flange 201 can be connect with the input flange 301 of instrument, output flange 104, counter flange 201 and input The quantity of flange 301 and position are corresponding.Obviously, such driving structure will be with most after the output power of motor is by slowing down Short drive path passes to instrument, therefore this will effectively simplify drive mechanism, it is often more important that, the transmission knot simplified in this way Structure means that possible friction point can be less in transmission process.Power of motor will be saved in this way, and improve transmission accuracy, and The resistance for being subject to operation tool feeds back to motor by transmission system.Torque sensor can be set at motor output shaft 106 Acquire the drag data of operation, meanwhile, with reference to the size of these resistances, revolving speed to the main flashlight machine of operating doctor operation and Torque is controlled, then the real-time condition for allowing doctor to feel surgical procedure can be achieved, to enable a physician to accurately grasp operation Weight is acted, keeps operation control more accurate.
As a kind of relatively simple compact structure, it is arranged on output flange 104, counter flange 201 and input flange 301 There are the convex closure 1 and notch 2 that can cooperate.
As shown in Figures 3 to 8, retarder 102 includes reducing output shaft 103 and deceleration jackshaft 105.In the present embodiment, Retarder is set as double reduction, i.e., a deceleration jackshaft 105 is only arranged in each retarder, and each deceleration jackshaft 105 is set to On speed reducer base 108.Reducing output shaft 103, deceleration jackshaft 105 and motor output shaft 106 are driven by synchronous belt 107.
In other specific embodiments, multiple deceleration jackshafts 105 can also be according to circumstances set, to reach multi-stage speed-reducing Purpose.Reducing output shaft 103, deceleration jackshaft 105 and motor output shaft may also set up driving wheel, by steel wire drive, with Reach the technical effect of essentially identical smaller friction.
In the present embodiment, the center line L for connecting each synchronous belt of deceleration jackshaft 105 and reducing output shaft 103 passes through respectively The geometric center O of motor output shaft line, the length of connection reducing output shaft, each synchronous belt of jackshaft and motor output shaft or steel wire It spends equal.
Motor 101 is set on motor mount 110.It is multiple right with speed reducer base 108 to be provided on motor mount 110 The screw hole 109 answered, is oppositely arranged that there are two can connect with the bolted connecting lugs 112 of screw hole 109 on speed reducer base 108 Kidney slot 113 is provided on trunnion 112.The center combination component of the components such as speed reducer base composition, in the original state of installation It is that freedom is unfixed, the position assembled is determined by eight synchronous belts, rotation center combiner, can be tensioned eight simultaneously together Band is walked, then tightening screw 114 fixes connecting lugs 112 and screw hole 109, the position of fixed center combiner just completes Assembly work.It, can compensation position manufacture automatically when eight synchronous belts are tensioned since the position of center combination component is freely not fixed Tolerance bring difference, makes the synchronous belt of equal length or steel wire reach same tensioning degree.
The output shaft mounting base 115 of retarder is fixed in the mounting base 110 of motor.
It has been wholely set bearing installation axle 116 in output shaft mounting base 115, first is set in bearing installation axle 116 and is subtracted Fast bearing 117 and the second speed reduction bearing 118, the first speed reduction bearing 117 and the second speed reduction bearing 118 are set by the interval of bushing 119 It sets.
The outer ring of first speed reduction bearing 117 and the second speed reduction bearing 118 cooperates reducing output shaft 103, the first speed reduction bearing 117 upper surface is positioned by the step of 103 inner cavity of reducing output shaft;The lower end surface of second speed reduction bearing 118 is by being set to The retainer ring 121 of 103 inner cavity of reducing output shaft positions.
The first spring base 122 is provided on reducing output shaft 120, output flange 104 is set in the upper of reducing output shaft 120 End, and it is provided with second spring seat 123.Spring 124 is provided on first spring base 122 and second spring seat 123.
The inner wall of 104 output flanges is fixed with spacer pin 125, is provided on reducing output shaft 103 corresponding with spacer pin Limit sliding chutes 126, spacer pin 125 pass through limit sliding chutes.
The upper surface of first speed reduction bearing 117 is provided with end cap 126, and end cap 126 passes through screw 127 and bearing installation axle 116 screw connection.
The lower part of output shaft mounting base 115 has the space 120 for accommodating motor output shaft 106 and toothed belt transmission, motor The axial line of output shaft 106 and reducing output shaft 103 is overlapped.
As shown in Fig. 9 to Figure 20, sterile separator 200 include upper spacer 202 and lower clapboard 203, upper spacer 202 and under every Plate 203 is correspondingly arranged on the cavity 204 for accommodating counter flange 201, and the internal diameter of cavity 204 is greater than the outer diameter of counter flange 201.
Upper spacer 202 is provided with first axis positive stop lug boss 205 in the upper end of cavity 204, and lower clapboard 203 is under cavity End is provided with the second axial limiting boss 206, the outer surface of counter flange 201 be provided with first axis positive stop lug boss 205 and The corresponding third axial limiting boss 207 of second axial limiting boss 206.
Therefore, four counter flanges can be freely rotated and freely move along axis, work among upper lower clapboard When, only with the flange contact that is connected up and down, and synchronous rotary do not contact this four counter flanges with other any components, because This does not generate frictional force, therefore to realize that the force feedback of operation further provides convenience.
The device system is provided with self-locking buckle structure, and self-locking buckle structure includes the first engaging portion and the second engaging portion, Upper spacer 202 and instruments box 301 are respectively corresponded, two edges on upper spacer 202 are oppositely arranged two upper snap seats 208, Buckle 211 is provided with by pin shaft 209 and the torsional spring 210 being set on pin shaft 209 in upper snap seats 208.On upper buckle 211 It is provided with the first detent flange 212, second card corresponding with the first detent flange 212 is provided on the instruments box 301 of instrument 300 Position flange 302.
Upper buckle 211 includes spaced two installing arms 211a, and two installing arm 211a are connected by clamping part 211b It is connected in integral structure, installing arm 211a is set on pin shaft 209.Clamping part 211b is wedge structure, detent flange 302 on the whole On be provided with the second inclined-plane 327 corresponding with tapered ramp 211c.
The first press section of rotary buckle is provided on instruments box 301, the first press section is located at the second detent flange 302 Top.First press section includes integrated pressing board 323, limit plate 324 and pressing plate 325, and pressing board 323 and pressing plate 325 are parallel to each other, Limit plate 324 is and vertical with pressing board 323 and pressing plate 325 between pressing board 323 and pressing plate 325.
The defining flange 326 against 324 end face of limit plate is provided on instruments box 301, the width of defining flange 326 is less than The width of limit plate 324, the top surface of pressing board 323 are not higher than the root of defining flange 326.
It is provided on upper buckle 211 and corresponding with pressing plate 325 is driven plain face 211d.
When upper spacer 202 is combined with instruments box 301, tapered ramp 211c is contacted first with the second inclined-plane 327, then phase To sliding, torsional spring 210 is bent at this time.When instrument reaches target position, torsional spring 210 is sprung back, and the first detent flange 212 is buckled in the On two detent flanges 302, locking is realized.If pressing pressing board 323, pressing plate 325 will push clamping part 211b, to overcome torsion The elastic force of spring 210 pushes and buckles rotation, so that upper spacer be made to separate with instruments box.
The two sides of lower clapboard 203 are provided with lower snap seats 213, the installation shell 214 that lower clapboard 203 is connect with power packages On be provided with second press section 219 corresponding with lower snap seats 213,219 both ends of the second press section have been wholely set sheet bolt 215, centre is provided with 130 big end blind hole of spring guiding axis.
Through-hole corresponding with spring guiding axis 130 and third spring base 131, third spring are provided in lower snap seats 213 Spring 132 is installed between seat 131 and spring guiding axis 130.It is provided on installation shell 214 corresponding with sheet bolt 215 Through-hole 216, sheet bolt 215 fasten after stretching out the through-hole 216 with slot corresponding on power part shell.
In the present embodiment, for convenient for operating, the chamfered shape of upper buckle 211 and bolt 215 is disposed as wedge structure.
As shown in Figure 1, Figure 2 and shown in Figure 21 to Figure 32, instrument 300 includes instruments box 301, instrument seat 302, stock 303 and pawl Portion 304.It is fixed with bearing bracket stand 305, bearing bracket stand 305 and instrument seat 302 on instrument seat, input flange axis is provided with by bearing, it is defeated Enter the lower part that flange is set to input flange axis.
Stock 303 is installed on instrument seat 302 by bearing, and the top of stock 303 is fixed with stock rotating wheel 311.
Power part includes stock power packages and claw power packages, and one of aforementioned four power packages 100 are used as stock Power packages, the other three is as claw power packages.
Stock pierce tap driving wheel 310, stock pierce tap are fixed on the corresponding stock input flange axis 306 of stock power packages Stock steel wire 309 is wound on driving wheel 310,309 one end of stock steel wire and stock pierce tap driving wheel 310 are fixed, other end winding It is fixed with stock pierce tap driving wheel 310 after stock rotating wheel 311.
Stock pierce tap driving wheel 310 includes upper stock pierce tap driving wheel 310a and lower stock pierce tap driving wheel 310b.Upper length Bar pierce tap driving wheel 310a and lower stock pierce tap driving wheel 310b is located at the first installation bearing 312a of stock input flange axis 306 And second installation bearing 312b between.It is correspondingly arranged on upper stock pierce tap driving wheel 310a and lower stock pierce tap driving wheel 310b The sawtooth 310c that can be fastened.
309 one end of stock steel wire is fixed with upper stock pierce tap driving wheel 310a, the other end and lower stock pierce tap driving wheel 310b is fixed.Specific fixed form is that routine is fixed, and aperture is such as arranged on pierce tap driving wheel, and rope end is set after passing through the aperture Set knot.
Stock steel wire rotating wheel 311 has been disposed radially fixation with steel wire seat 323, and fixation with steel wire seat 323 is arranged at intervals with phase To the first wirerope knot 323a and the second wirerope knot 323b of 311 protrusion of stock steel wire rotating wheel.First wire rope knot Portion 323a and the second wirerope knot 323b, which has, accommodates the first guiding groove hole 324a and the second guiding groove hole that stock steel wire 309 passes through 324b, the first guiding groove hole 324a and the second guiding groove hole 324b are located at the first guide groove of 309 winding steel wire rotating wheel 311 of stock steel wire On 325 path;
Steel is fixed on stock steel wire 309 between the first wirerope knot 323a and the second wirerope knot 323b Silk braid 326.It is arranged at intervals with three the second guide grooves 327 being overlapped with the first guide groove 325 on fixation with steel wire seat 323, intermediate Two guide grooves are overlapped with the first guiding groove hole 324a and the second path guiding groove hole 324b.Therefore, when transmission, steel wire and stock steel wire are rotated Circumferentially opposed movement will not be generated between wheel 311, in addition, the front and back of knot, some total steel wire is pressed in knot portion, makes steel Silk fixation is not fallen out, and is conducive to production operation.
First installation bearing 312a is located at the top of the second installation bearing 312, is locked by lock-screw 313.At other In specific embodiment, the similar structures such as locking nut can also be used and realize locking.
As shown in Figure 33 to Figure 35, claw pierce tap is fixed on the corresponding claw input flange axis 314 of claw power packages Driving wheel 315, claw steel wire 316 is fixed on claw pierce tap driving wheel 315, and the other end of claw steel wire 316 bypasses conducting wire sheave The cavity of stock 303 is passed through after 317, and is connect with claw 304.
The installation place of the corresponding stock 303 of instrument seat 302 is provided with conducting wire sheave mounting rack 318, conducting wire sheave mounting rack 318 On be provided with guiding sheave 319, be oriented to sheave 319 position it is corresponding with each claw pierce tap driving wheel 315, quantity be claw steel Twice of silk ribbon driving wheel 315, one of them is used as stock cavity guiding is entered, another, which is used as, is pierced by stock cavity guiding With.
Each claw pierce tap driving wheel 315 includes upper claw pierce tap driving wheel 315a and lower claw pierce tap driving wheel 315b.On Claw pierce tap driving wheel 315a and lower claw pierce tap driving wheel 315b is located at the third installation bearing of claw input flange axis 314 320 and the 4th install between bearing 321.It is correspondingly arranged on upper claw pierce tap driving wheel 315a and lower claw pierce tap driving wheel 315b There is the sawtooth 315c that can be fastened.
Claw steel wire 316 is respectively and fixedly provided on upper claw pierce tap driving wheel 315a and lower claw pierce tap driving wheel 315b.Specifically Fixed form be it is conventional fixed, aperture such as is set on pierce tap driving wheel, and knot is arranged after passing through the aperture in rope end.
Third installation axle 320 is held positioned at the top of the 4th installation bearing 321, is locked by locking nut 322.In other tools In body embodiment, the similar structures such as lock-screw can also be used and realize locking.
The end of stock 303 is set as claw 304.Claw 304 includes and the end fixed claw seat 328 of stock 303, pawl Operation tool seat 333 is hinged with by the first hinged shaft 329 on portion's seat 328, the lower end of operation tool seat 329 passes through the second hinged shaft 330 are hinged with the first work department 331 and the second work department 332.First hinged shaft 329 is respectively arranged in the two sides of claw seat 333 Two the first guide wheels 334 and two the second guide wheels 335.Operation tool seat 333 is under the first guide wheel 334 and the second guide wheel 335 Side respectively corresponds setting, and there are two third guide wheel 336 and two four guide idlers 337.Operation tool seat 333, the first work department 331 With the guide groove and via hole for being provided with permission claw steel wire winding in the second work department 332.
The claw steel wire of power packages is by behind the inner cavity of stock 303, wherein two groups through the first guide wheel 334, third guide wheel 336, after the guide groove and via hole, four guide idler 337 and the second guide wheel 335 in the first work department 331, stock inner cavity is returned to, then It is fixed with corresponding claw pierce tap driving wheel 315 after being oriented to sheave 319.Another group of claw steel wire is directly over operation tool Guide groove and via hole on seat 333 return to stock inner cavity, fix after being oriented to sheave with corresponding claw pierce tap driving wheel.
In the present embodiment, each bearing is rolling bearing, to keep the frictional force of transmission minimum, therefore to realize operation Force feedback further provides convenience.
It is all to be related to the position of rotary shaft in the present embodiment, it is provided with the bearing shell made by polytetrafluoroethylene material, from And coefficient of friction is made to fall below very small stage, frictional force is reduced, to realize that the force feedback of operation further provides just Sharp condition.
When above-mentioned device system works, the power of motor is directly passed to pawl by flange after slowing down in power part Portion's pierce tap driving wheel and stock pierce tap driving wheel, to control claw work, therefore drive path is short, eliminates many intermediate rings Section, is equivalent to motor and directly rotates, to pull steel wire forward or reverse.Based on this, the stress of claw also will be sensitiveer Feed back to motor shaft.During entire steel wire drive, friction is only generated at guiding sheave, therefore realize the anti-of power It presents sensitiveer.
The upper lower clapboard of sterile separator is for clamping aseptic cover, and aseptic cover is by instrument seat, motor output shaft, robot The isolation of mechanical arm (not shown), therefore be gnotobasis inside instrument.
When operating with, first sterile separator 200 on power part 100, then instrument 300 mounted in sterile separator On 200.
In most cases, output flange 104, counter flange 201 and input flange 301 are not bound with each other, Each convex closure does not enter into groove and notch, and claw operation tool is not controlled.
Rotary electric machine 101, under the action of frictional force, several flanges may rotate simultaneously, no relative rotation, until instrument Each freedom degree of the operation tool of claw goes to the limit and is limited, and after being limited, each flange of instrument can all stop operating.
Motor is continued to rotate, counter flange 201 and input flange 301 generate relative motion, when flange convex closure face groove When, under the action of spring 124, counter flange 201 is inserted into groove, completes input flange 301 and mistake to apparatus work, convex closure Cross the combination of flange 201.
At this point, two flanges combined are stationary, and in the case where continuing to rotate motor 101, reducer output flange 104 Relative motion is generated with the counter flange 201 in sterile separator, when convex closure and notch face, under the action of spring 124, Reducer output flange 104 is moved to sterile separator, and convex closure is inserted into notch, completes output flange 104 and counter flange 201 In conjunction with.
When separation, when removing instrument and sterile separator respectively, the separation of flange is just completed.
Therefore, the counter flange of sterile separator does not need that sterile separator and instrument need to only be loaded onto just to direction, System can be such that flange is closed automatically, when removing instrument and sterile separator, be automatically separated disconnection, without more movements.And Counter flange can be freely rotated and freely move along axis among upper lower clapboard, mobile stroke and output flange 104 Stroke it is suitable.When work, 4 counter flanges only with the flange contact that is connected up and down, and synchronous rotary, not with other any zero Component contact does not generate frictional force, therefore realizes that the feedback of power is sensitiveer.
Due to the setting of upper buckle and lower buckle, when needing to remove sterile separator, lower buckle is pinched with hand, takes advantage of a situation and just takes It descends.
After a period of work, steel wire may loosen, but due on stock pierce tap driving wheel and claw pierce tap driving wheel Laciniation, two parts up and down, that is, securable steel wire of relative rotation pierce tap driving wheel, terminate tensioning when, sawtooth is engaged It closes, prevents upper and lower two parts pierce tap driving wheel from rotating to the direction that steel wire loosens, after the nut of shaft end or screw in compression, steel wire Just no longer loosen.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks Technical staff passes through logic analysis, reasoning or limited reality according to the design of the utility model on the basis of existing technology in domain Available technical solution is tested, it all should be within the scope of protection determined by the claims.

Claims (4)

1. a kind of self-locking buckle structure of parallel-moving type, including the first engaging portion and the second engaging portion, it is characterized in that: described first combines Portion is provided with snap seats;Press section corresponding with the snap seats is provided on second engaging portion;The press section is at least One end has been wholely set bolt;Spring guiding axis big end blind hole is provided among the press section;
Through-hole corresponding with the spring guiding axis and third spring base are provided in the snap seats;The third spring base with Spring is installed between the spring guiding axis;Through-hole corresponding with the bolt is provided on second engaging portion, it is described Bolt fastens after stretching out the through-hole with slot corresponding on power part shell.
2. the self-locking buckle structure of parallel-moving type as described in claim 1, it is characterized in that: the bolt is sheet bolt.
3. a kind of sterile separator, it is characterized in that: including the self-locking buckle structure of parallel-moving type as claimed in claim 1 or 2.
4. a kind of surgical operating instrument system, it is characterized in that: including sterile separator as claimed in claim 3.
CN201821865978.4U 2018-11-13 2018-11-13 The self-locking buckle structure of parallel-moving type, sterile separator and surgical operating instrument system Active CN209564211U (en)

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Application Number Priority Date Filing Date Title
CN201821865978.4U CN209564211U (en) 2018-11-13 2018-11-13 The self-locking buckle structure of parallel-moving type, sterile separator and surgical operating instrument system

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Application Number Priority Date Filing Date Title
CN201821865978.4U CN209564211U (en) 2018-11-13 2018-11-13 The self-locking buckle structure of parallel-moving type, sterile separator and surgical operating instrument system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117942176A (en) * 2024-03-26 2024-04-30 北京云力境安科技有限公司 Automatic joint pressing and releasing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117942176A (en) * 2024-03-26 2024-04-30 北京云力境安科技有限公司 Automatic joint pressing and releasing device

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