Oblique sliping type hands surgery screwdriver action bars
Technical field
The present invention relates to a kind of medical apparatus and instruments, particularly relate to a kind of oblique sliping type hands surgery screwdriver action bars.
Background technology
The screwdriver of the different model that existing hands surgery is used mostly is the action bars that is equipped with oneself separately; Though such design is simple in structure; But because screwdriver is fragile, be an indivisible integral body with action bars again simultaneously, therefore intact action bars also can become waste product because of the damage of screwdriver; This makes the cost of operating theater instruments too high, causes waste.Simultaneously, because the perioperatively medical apparatus and instruments needs disinfection, action bars can occupy bigger space after getting into sterilizing equipment decontaminating apparatus, has increased the disinfectant cost on the one hand, has also reduced disinfectant efficient simultaneously.
Avoid the problems referred to above; Just must make screwdriver and its action bars separable; But accomplish both can easily connect fast between the two and fast quick-detach, replacing; Make again between the two can stablize, firmly, non-loosening ground combines, but to be those skilled in the art thirst for solving the problem that always can thoroughly not solve for many years always for this.
Summary of the invention
The present invention is for solving the deficiency of prior art; Provide a kind of can the realization to be connected fast easily and quick-detach, replacing soon between screwdriver replacement head and the action bars, can make between the two again can stablize, firmly, non-loosening ground bonded oblique sliping type hands surgery screwdriver action bars.
The scheme that solves technical problem of the present invention is: oblique sliping type hands surgery screwdriver action bars is made up of lever, solid spring dish, release spring, carriage release lever, movable block, oblique fork, locking spring, spring case, clamping block, release chamber, replacement head, lock hole, action bars and spring eye.
Replacement head be by columniform bar portion and be in bar portion two ends respectively and with bar portion be that holistic crewdriver attachment and columniform pedestal constitute.One lock hole is arranged on the sidewall of the pedestal of replacement head.There is an annular slope upper end of replacement head pedestal.Lever and action bars are the cylindrical of concentric, and lower end and the two that action bars is in lever are combined as a whole through screw thread.The bottom of action bars have one with the blind hole of action bars concentric, the pedestal of replacement head is in the blind hole of action bars bottom and with blind hole and becomes assembling to concern movingly.Have a spring eye longitudinally on the end face of action bars, the different axle center of spring eye with action bars.Be out the release chamber on the action bars sidewall under the spring eye.The release chamber is that cross section is orthogonal bar shaped space, and the outside in release chamber opens wide.Gu being in the spring eye and with spring eye, the spring dish is in active relationship; Gu the lower end of spring dish be with solid spring dish be one whole and with the carriage release lever of solid spring dish concentric, the lower end of carriage release lever pass behind the circular hole of spring eye bottom with the release chamber in movable block be combined as a whole.The circular hole of carriage release lever and spring eye bottom is in active relationship.Be on the carriage release lever in the spring eye and be with the release spring.Movable block is the cube that is in the release chamber and is in active relationship with the release chamber, the lower end of movable block be with movable block be holistic oblique fork, tiltedly the side of fork be right angled triangle and tip down.Tiltedly there is a vacancy at the middle part of the lower end of fork, and this vacancy makes the lower end of oblique fork become a fork-shaped body.Tiltedly the medial surface of the pairing side of right-angle side of the lateral right angled triangle of fork and movable block is on same vertical plane.Lock hole has a via hole on the sidewall of the pairing action bars of the horizontal level of lock hole bottom blind hole under the pedestal top of replacement head and situation that the top of action bars lower end blind hole contacts, the release chamber communicates through this via hole with the bottom blind hole.The position that the outward flange in release chamber is corresponding with the lock hole level have with action bars be holistic spring case; Spring case is cuboidal housing; The left end sealing of spring case, right-hand member communicates with the release chamber, and the longitudinal centre line of spring case and the axial line of action bars intersect vertically.Clamping block is the sphenoid be combined into by a cube and cube right-hand member.The end face of cube and sphenoid is on a horizontal plane; The side of sphenoid is the downward right-angled trapezium of hypotenuse; Two of sphenoid middle part with vertical side direction inclined-plane, sphenoid downside inclined-plane with sphenoid be divided into half section on a left side with right half section, right half section thickness is the half the of the half section thickness in a left side.The cube of clamping block partly is in the spring case, between the left end of clamping block and the inner left wall of spring case the locking spring is arranged, and the right-hand member head of the sphenoid of clamping block inserts in the lock hole of replacement head pedestal sidewall.Half section on the right side of clamping block sphenoid is in the vacancy at middle part, oblique fork lower end, tiltedly the said side direction inclined-plane of pairing two inclined-planes of the lateral hypotenuse of right angled triangle of fork and clamping block over against and be parallel to each other.
In the time of need replacement head being taken out from action bars; Only need to push down movable block and to lower slider with thumb; Under the pressure effect of pairing two inclined-planes of the lateral hypotenuse of right angled triangle to the said side direction inclined-plane of clamping block of tiltedly pitching; Clamping block is slippage left, and the right-hand member head of the sphenoid of clamping block is extracted out from lock hole, and can extract replacement head out easily this moment.In the time of need being installed in replacement head in the action bars; Only need elder generation that the pedestal of replacement head is inserted in the blind hole of action bars bottom; Because the downside of the sphenoid of clamping block is the inclined-plane; Therefore under the oblique pressure effect of replacement head pedestal upper end, clamping block slippage left also makes the replacement head pedestal pass through clamping block right-hand member head position smoothly, rotates replacement head then; When the right-hand member head of the sphenoid of lock hole and clamping block over against the time, the right-hand member of clamping block inserts in the lock hole again under the pushing of locking spring.Can't move down because the end face of the sphenoid of clamping block is the pedestal of horizontal plane so replacement head, replacement head promptly is fixed again.
Adopt such scheme, can reach following effect:
1. these have multiple model and flimsy apparatus fabricate becomes interchangeable member and separates setting with action bars because the present invention is with screwdriver; Greatly reduce the cost of operating theater instruments like this; Avoided waste; Because replacement head can be concentrated separately and carry out disinfection, disinfection space and cost of transportation have been saved simultaneously.
2. because the mode that the present invention has adopted the lock hole of right-hand member head and replacement head pedestal sidewall of the sphenoid of clamping block to plug together fixes replacement head; Compared with prior art; The situation of in use having stopped fully to skid between screwdriver and the action bars takes place, and has good steadiness.
Since the present invention in installation process; The right-hand member head of the sphenoid of securing rod can bounce back so that the pedestal of replacement head passes through smoothly automatically, and when sphenoid right-hand member head alignd with lock hole, sphenoid right-hand member head can insert lock hole again automatically; Simultaneously; Only need move movable block and just can remove the locking of sphenoid right-hand member head to replacement head, so the present invention compared with prior art, the installation or removal process is more convenient.
4. because replacement head of the present invention is simple in structure, and its shape is merely the simple geometric body, be prone to processing, cost is low.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the A-A profile of Fig. 1;
Fig. 3 is the axonometric chart of tiltedly pitching;
Fig. 4 is the axonometric chart of clamping block.
Among the figure: 1. lever 2. solid spring dish 3. release springs 4. carriage release levers 5. movable blocks 6. are tiltedly pitched 7. locking springs, 8. spring cases, 9. clamping blocks, 10. release chambeies, 11. replacement heads, 12. lock holes, 13. action bars, 14. spring eyes, 15. via holes
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further description.
Oblique sliping type hands surgery screwdriver action bars by lever 1, solid spring dish 2, release spring 3, carriage release lever 4, movable block 5, tiltedly pitch 6, locking spring 7, spring case 8, clamping block 9, release chamber 10, replacement head 11, lock hole 12, action bars 13, spring eye 14 and via hole 15 constitute.
Replacement head 11 be by columniform bar portion and be in bar portion two ends respectively and with bar portion be that holistic crewdriver attachment and columniform pedestal constitute.One lock hole 12 is arranged on the sidewall of the pedestal of replacement head 11.There is an annular slope upper end of replacement head 11 pedestals.Lever 1 is the cylindrical of concentric with action bars 13, and lower end and the two that action bars 13 is in lever 1 are combined as a whole through screw thread.The bottom of action bars 13 have one with the blind hole of action bars 13 concentrics, the pedestal of replacement head 11 is in the blind hole of action bars 13 bottoms and with blind hole and becomes assembling to concern movingly.Have a spring eye 14 longitudinally on the end face of action bars 13, spring eye 14 and action bars 13 different axle center.Be out the release chamber 10 on action bars 13 sidewalls under the spring eye 14.Release chamber 10 is that cross section is orthogonal bar shaped space, and the outside in release chamber 10 opens wide.Gu being in the spring eye 14 and with spring eye 14, spring dish 2 is in active relationship; Gu the lower end of spring dish 2 be with solid spring dish 2 be one whole and with the carriage release lever 4 of solid spring dish 2 concentrics, the lower end of carriage release lever 4 pass behind the circular hole of spring eye 14 bottoms with release chamber 10 in movable block 5 be combined as a whole.Carriage release lever 4 is in active relationship with the circular hole of spring eye 14 bottoms.Be on the carriage release lever 4 in the spring eye 14 and be with release spring 3.Movable block 5 is the cubes that are in the release chamber 10 and are in active relationship with release chamber 10, and the lower end of movable block 5 is to be holistic oblique fork 6 with movable block 5, tiltedly pitches 6 side and be right angled triangle and tip down.Tiltedly there is a vacancy at the middle part of the lower end of fork 6, and this vacancy makes the lower end of oblique fork 6 become a fork-shaped body.Tiltedly the medial surface of the pairing side of right-angle side of the lateral right angled triangle of fork 6 and movable block 5 is on same vertical plane.Lock hole 12 is under the pedestal top of replacement head 1 and situation that the top of action bars 13 lower end blind holes contacts; Have a via hole 15 on the sidewall of the pairing action bars 13 bottom blind holes of the horizontal level of lock hole 12, release chamber 10 communicates through this via hole 15 with 13 bottom blind holes.The outward flange in release chamber 10 and the corresponding position of lock hole 12 levels have with action bars 13 and are holistic spring case 8; Spring case 8 is cuboidal housings; The left end sealing of spring case 8, right-hand member communicates with release chamber 10, and the axial line of the longitudinal centre line of spring case 8 and action bars 13 intersects vertically.Clamping block 9 is the sphenoid be combined intos by a cube and cube right-hand member.The end face of cube and sphenoid is on a horizontal plane; The side of sphenoid is the downward right-angled trapezium of hypotenuse; Two of sphenoid middle part with vertical side direction inclined-plane, sphenoid downside inclined-plane with sphenoid be divided into half section on a left side with right half section, right half section thickness is the half the of the half section thickness in a left side.The cube of clamping block 9 partly is in the spring case 8, and locking spring 7 is arranged between the inner left wall of the left end of clamping block 9 and spring case 8, and the right-hand member head of the sphenoid of clamping block 9 inserts in the lock hole 12 of replacement head 11 pedestal sidewalls.Half section on the right side of clamping block 9 sphenoids is in the vacancy at middle part, oblique fork 6 lower ends, the said side direction inclined-plane of tiltedly pitching 6 pairing two inclined-planes of the lateral hypotenuse of right angled triangle and clamping block 9 over against and be parallel to each other.
In the time of need replacement head 11 being taken out from action bars 13; Only need to push down movable block 5 and to lower slider with thumb; Under the pressure effect of pairing two inclined-planes of the lateral hypotenuse of right angled triangle to the said side direction inclined-plane of clamping block 9 of oblique fork 6; Clamping block 9 slippage left, the right-hand member head of the sphenoid of clamping block 9 is extracted out from lock hole 12, and can extract replacement head 11 out easily this moment.In the time of need being installed in replacement head 11 in the action bars 13; Only need elder generation that the pedestal of replacement head 11 is inserted in the blind hole of action bars 13 bottoms; Because the downside of the sphenoid of clamping block 9 is the inclined-plane; Therefore under the oblique pressure effect of replacement head 11 pedestals upper end, clamping block 9 slippage left also makes replacement head 11 pedestals pass through clamping block 9 right-hand member head positions smoothly, rotates replacement head 11 then; When the right-hand member head of lock hole 12 and the sphenoid of clamping block 9 over against the time, the right-hand member of clamping block 9 inserts in the lock hole 12 again under the pushing of locking spring 7.Can't move down because the end face of the sphenoid of clamping block 9 is the pedestal of horizontal plane so replacement head 11, replacement head 11 promptly is fixed again.