CN201284991Y

CN201284991Y - Disinfection handle

Info

Publication number: CN201284991Y
Application number: CNU2008202130264U
Authority: CN
Inventors: 胡正聪; 黄力锋
Original assignee: Nanjing Mindray Bio Medical Electronics Co Ltd
Current assignee: Nanjing Mindray Bio Medical Electronics Co Ltd
Priority date: 2008-10-29
Filing date: 2008-10-29
Publication date: 2009-08-05
Anticipated expiration: 2018-10-29

Abstract

The utility model discloses a disinfection handle, which comprises a handle outer bar, a handle switching bar and a handle pushing head, wherein, the handle outer bar is provided with a first inner peripheral surface and a first outer peripheral surface, and the first inner peripheral surface form a first through fitting cavity with a top opening and a bottom opening; the handle switching bar is provided with a second inner peripheral surface and a second outer peripheral surface, and the handle switching bar is arranged inside the first fitting cavity from the top opening to be locked with the first inner peripheral surface, and the handle push head is arranged into the first fitting cavity from the bottom opening and is provided with a work surface; with the work surface, the handle outer bar can be separated from the handle switching bar; and the second outer peripheral surface is provided with at least one convex guiding strip, and the upper part of the first inner peripheral surface is provided with a depressed guiding groove, and the quantity of the guiding groove is more than or equal to that of the guiding strip, and the guiding strip is plugged into the guiding groove. The guiding groove is arranged on the inner peripheral surface of the handle outer bar, and the surface area of the inner peripheral area is large and can be provided with a plurality of guiding grooves; in addition, the quantity of the guiding groove is more than that of the guiding strip of the handle switching bar, so that the handle outer bar can be plugged in at different angles.

Description

Sterile handle

Technical field

The utility model is about a kind of sterile handle, especially about a kind of sterile handle that operation shadowless lamp is focused of being used for.

Background technology

The focusing of operation shadowless lamp is outer realizing by the rotation sterile handle, sterile handle is outer being the device that doctor or nurse need operate in the surgical procedure, for fear of bacterial infection, this device needs sterilization after operation is used, therefore, sterile handle is outer being easy to install before the needs operation, be easy to dismounting after the operation, and blood, body fluid is not easy to enter its inside in surgical procedure.

For the sterile handle of existing application in operation shadowless lamp, sterile handle comprises handle, and handle, handle switching handle and handle eject head outward.The outer guiding when inserting of handle is that muscle and the handle by its bottom transferred the realization that matches of last groove, outer of handle and handle switching fastening by the handle switching button bit (the interior button) and handle outer realizations that match of an inner shrinkage pool, the dismounting that handle is outer ejects handle to be transferred button bit released by driving handle and realizes.This sterile handle has following shortcoming: 1) button bit cooperates with shrinkage pool and since the area constraints of the inner cylinder face of moulding shrinkage pool the quantity of moulding shrinkage pool, therefore the direction that can correctly insert is less, has limited the sterile handle operating characteristics; 2) risk of blocking is arranged, and complex structure, increased formed in mould difficulty, be difficult to do the adjustment of performance.

Summary of the invention

Technical problem to be solved by this invention is, overcomes the deficiencies in the prior art, provides a kind of and can realize that handle is outer multi-angle is packed into and easy to operate sterile handle.

The technical solution adopted for the present invention to solve the technical problems is: a kind of sterile handle, comprise outer of handle, handle switching handle and handle eject head, handle is outer having first inner peripheral surface and first outer peripheral face, first inner peripheral surface crosses first mating cavity that runs through up and down and have open top and bottom opening, the handle switching is having second inner peripheral surface and second outer peripheral face, handle switching is pack first mating cavity and fasten with first inner peripheral surface into from open top, handle eject head from bottom opening pack into first mating cavity and having make handle outside and the handle switching the working face of dropout, first inner peripheral surface is provided with at least two first guiding positions, second outer peripheral face is provided with at least one second guiding position, the quantity of the second guiding position is not more than the quantity of the first guiding position, first, be the gathering sill of recessed corresponding side face one of in the two guiding positions, first, in the two guiding positions another is for protruding the gib block of corresponding side face, and gib block inserts gathering sill.

Described first inner peripheral surface has at least one first button bit of protrusion, and second outer peripheral face extends at least one elastic cantilever downwards, and the bottom of each cantilever is equipped with second button bit, and second button bit fastens first button bit.Described first button bit forms annular, and cantilever has two and evenly distribute with circumference at least.

Described first button bit and second button bit all have locking face, and the locking face coupling of the locking face of first button bit and second button bit is fitted.The bottom of described first inner peripheral surface has at least two of protrusion, and handle ejects a correspondence and is provided with at least two with the equally distributed mating groove of circumference with the equally distributed muscle of circumference position, and corresponding mating groove is inserted in the muscle position.Have one in the described mating groove at least and have upper surface and lower surface.

Described second button bit has guide ramp, and the working face that handle ejects head is an inner conical surface, this inner conical surface and guide ramp coupling.Described handle ejects head and comprises base plate and the ring-type side plate that extends upward from base plate, and inner conical surface is the medial surface of side plate, and mating groove is opened in this side plate.The described first guiding position evenly distributes with circumference.The described second guiding position has two with circle distribution at least, and the quantity of the first guiding position is the integral multiple of the second guiding position.

The invention has the beneficial effects as follows, the inner peripheral surface of outer of handle is located in the first guiding position, the surface area of inner peripheral surface is big, can offer a plurality of first guiding positions, again, the quantity of the first guiding position be not less than the handle switching the quantity of the second guiding position, so can realize the multi-angle insertion of outer of handle and spline, guiding, and easy to operate.

Description of drawings

Fig. 1 is the three-dimensional exploded view of present embodiment sterile handle;

Fig. 2 is the stereogram of present embodiment sterile handle;

Fig. 3 and Fig. 4 are respectively the upward view and the vertical views of outer of the handle of present embodiment;

Fig. 5 is the cutaway view of outer of the handle of present embodiment;

Fig. 6 is the stereogram of the handle switching handle of present embodiment;

Fig. 7 is the stereogram that the handle of present embodiment ejects head.

The specific embodiment

As Fig. 1 to shown in Figure 7, the present embodiment sterile handle comprise handle outer 1, handle transfer 2 and handle eject 3.Handle is outer to have first inner peripheral surface 11 and first outer peripheral face 12 to 1, first inner peripheral surface 11 crosses outside axis direction runs through whole handle up and down first mating cavity 13 1, this first mating cavity 13 has open top 131 and bottom opening 132, and the bore of this open top 131 is greater than the bore of bottom opening 132.The top of first inner peripheral surface 11 is concaved with eight 14, eight gathering sills of bar shaped gathering sill 14 that extend at axis direction and evenly distributes with circumference around this axis.The bottom of first inner peripheral surface 11 convexes with four 15, four muscle positions, bar shaped muscle position 15 in the axis direction extension and evenly distributes with circumference around axis.First button bit, 16, the first button bits 16 that the middle part between the upper and lower of first inner peripheral surface 11 convexes with annular have with equally distributed eight the locking inclined-planes 161 of circumference, and the angle of inclination on this locking inclined-plane 161 is about 5 degree.

The handle switching is outer 1 coaxial line with handle 2, the handle switching has second inner peripheral surface 21 and second outer peripheral face 22 to 2, second inner peripheral surface 21 crosses at axis direction and runs through the switching of whole handle 2 second mating cavity 23, have the counterbore 24 that is through to second inner peripheral surface 21 on second outer peripheral face 22, the lamp torch of operating lamp inserts second mating cavity 23, screw is locked the lamp torch after passing this counterbore 24, thereby the handle switching is fixed 2 with the lamp torch.The top of second outer peripheral face 22 convexes with four bar shaped gib blocks 25 that extend at axis direction, and these four gib blocks 25 evenly distribute with circumference around axis.The bottom of second outer peripheral face 22 is provided with equally distributed two the rubber-like cantilevers 26 of circumference, the bottom of each cantilever 26 is provided with second button bit 27, each second button bit 27 all has guide ramp 271 and locking inclined-plane 272, and it is outer 1 mounting or dismounting that this guide ramp 271 is convenient to handle.

Handle ejects 3 and has base plate 31 and from this extended annular side plate 32 in base plate 31 edges, have first mating groove 33 of two bar shapeds downwards from the end face of this side plate 32, the middle part of this side plate 32 has second mating groove 34 of two bar shapeds, each second mating groove 34 has upper surface 341 and lower surface 342, and these two first mating grooves 33 and two second mating grooves 34 evenly distribute with circumference.The inboard of side plate 32 has the inclined working 35 of the guide ramp 271 of 2 second button bits 27 being mated with the handle switching, and this inclined working 35 is an inner conical surface.In addition, also can have on the side plate 32 and be used to increase the flexible opening 36 of side plate.

The handle switching is installed before 2, handgrip need be ejected 3 and insert outside the handles first mating cavity 13 1 from bottom opening 132, outer two muscle positions, the 15 insertion handles 1 of handle are ejected in 3 two first mating grooves 33, these two muscle positions 15 are used for leading and spline, outer two other muscle position 15 1 of handle buckles into handle and ejects in 3 two second mating grooves 34, and the upper surface 341 of second mating groove 34 and lower surface 342 limit handles and eject a movement travel of 3.It is 3 unique the installation direction in 1 outside handle that handle ejects, can not occur mispluging into, and move smooth and easy.

The outer insertion guiding 1 of handle is to rely on its eight gathering sills 14 and handle switching that the cooperation of four gib blocks 25 of 2 is realized that the function of spline has also been played in the cooperation of while gathering sill 14 and gib block 25.Gathering sill 14 and gib block 25 all are evenly to distribute with circumference, therefore handle is outer can select 1 any one direction in eight directions to realize its insertion, handle outer 1 first button bit 16 and handle switching the fastening of 2 annular second button bit 27, realize outside the handle 1 and handle transfer 2 removably connect.During insertion, the handle switching contacts the guide ramp 271 of 2 second button bits 27 earlier with annular first button bit 16, the cantilever 26 at second button bit, 27 places is deformed, make two) the relatively inwardly contraction distortion of individual cantilever 26, after the handle switching puts 2 insertions in place, guide ramp 271 disengages with annular first button bit 16, the cantilever 26 at second button bit, 27 places can recover the individual cantilever 26 of deformation (promptly two) and relatively outwards open), make second button bit 27 at downside first button bit 16 that links closely, realize that handle is outer 1 installation, because outer first button bit 16 1 of handle has locking inclined-plane 161, the handle switching that matches with it has the intensity that eight cooperations of locking between 272, the two locking inclined-planes, inclined-planes have guaranteed fastening to 2 second button bit 27.

The outer dismounting 1 of handle is the inverse process of installing, driving handle ejects 3, handle eject an inner conical surface of 3 and handle switching 2 two) guide ramp 271 of individual second button bit 27 contacts, and the cantilever 26 that makes second button bit, 27 places is relatively to internal strain, make handle switching break away from 2 second button bit 27 with outer annular first button bit 16 of handle 1, can with handle outer 1 and handle transfer 2 disengagings.

For sterile handle, easy operating when outer of handle inserts, only need less power just can insert on the one hand, only need just can insert in smaller angle on the other hand (has a plurality of angles can realize inserting, and can realize the insertion of more perspective), and insertion has tangible sound prompting when putting in place.Adopt the handle switching that action is outward fastened outer of sterile handle, thereby reduced the complexity of mould, and handle switching and handle outer between the cooperation of spline by the gib block between the two, gathering sill realize (have only between the two spline could pass through handle is outer focuses realization), in addition, sterile handle eject the insertion handle of head outer the time maloperation can not appear, only need that handle is ejected head and do one and touch action and just can pull down handle outside the handle.

For sterile handle, the gib block of handle switching handle can have one, also two or more can be arranged.The gathering sill that handle is outer has two or more, and the quantity of gathering sill is not less than the quantity of gib block.The quantity of gathering sill can be the integral multiple of gib block quantity, and when the quantity of the quantity of gib block and gathering sill equated, gib block and gathering sill all had two at least.When the quantity of gib block, gathering sill was no less than two, it preferably evenly distributed with circumference.Certainly, the position of gib block and gathering sill can exchange, and it is outer last that promptly gib block is located at handle, and gathering sill is located at the handle switching last.For first button bit of outer of handle, it can be the annular of integral body, also can be to separate the one or more button bit that is provided with.Muscle position that handle is outer and handle eject the quantity of the mating groove of head and can adjust as required.

For handle switching handle, the quantity that is provided with the cantilever of second button bit can be one, also can be two or more, and it can be adjusted as required.Handle switching second button bit and first button bit of outer of handle can have the locking face that coupling is fitted, this locking face can be the inclined-plane, also can be that plane, curved surface or other can play the surface of locking effect by applying.The handle switching fastens first mating cavity of outer of the handle of packing into and with first inner peripheral surface, handle ejects head and has the working face that this fastening is threaded off, and this working face can be inner conical surface, inclined-plane, curved surface or other surface that fastening is threaded off.In the present embodiment, by for the switching of the working face driving handle of inner conical surface the guide ramp of second button bit reach the purpose of dropout.

Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.

Claims

1. sterile handle, comprise outer of handle, handle switching handle and handle eject head, it is characterized in that: handle is outer having first inner peripheral surface and first outer peripheral face, first inner peripheral surface crosses first mating cavity that runs through up and down and have open top and bottom opening, the handle switching is having second inner peripheral surface and second outer peripheral face, handle switching is pack first mating cavity and fasten with first inner peripheral surface into from open top, handle eject head from bottom opening pack into first mating cavity and having make handle outside and the handle switching the working face of dropout, first inner peripheral surface is provided with at least two first guiding positions, second outer peripheral face is provided with at least one second guiding position, the quantity of the second guiding position is not more than the quantity of the first guiding position, first, be the gathering sill of recessed corresponding side face one of in the two guiding positions, first, in the two guiding positions another is for protruding the gib block of corresponding side face, and gib block inserts gathering sill.

2. sterile handle according to claim 1, it is characterized in that: described first inner peripheral surface has at least one first button bit of protrusion, second outer peripheral face extends at least one elastic cantilever downwards, and the bottom of each cantilever is equipped with second button bit, and second button bit fastens first button bit.

3. sterile handle according to claim 2 is characterized in that: described first button bit forms annular, and cantilever has two and evenly distribute with circumference at least.

4. sterile handle according to claim 3 is characterized in that: described first button bit and second button bit all have locking face, and the locking face coupling of the locking face of first button bit and second button bit is fitted.

5. sterile handle according to claim 2, it is characterized in that: the bottom of described first inner peripheral surface has at least two of protrusion with the equally distributed muscle of circumference position, handle ejects a correspondence and is provided with at least two with the equally distributed mating groove of circumference, and corresponding mating groove is inserted in the muscle position.

6. sterile handle according to claim 5 is characterized in that: have at least one to have upper surface and lower surface in the described mating groove.

7. sterile handle according to claim 5 is characterized in that: described second button bit has guide ramp, and the working face that handle ejects head is an inner conical surface, this inner conical surface and guide ramp coupling.

8. sterile handle according to claim 7 is characterized in that: described handle ejects head and comprises base plate and the ring-type side plate that extends upward from base plate, and inner conical surface is the medial surface of side plate, and mating groove is opened in this side plate.

9. according to any described sterile handle among the claim 1-8, it is characterized in that: the described first guiding position evenly distributes with circumference.

10. sterile handle according to claim 9 is characterized in that: the described second guiding position has two with circle distribution at least, and the quantity of the first guiding position is the integral multiple of the second guiding position.