CN108354617A - A kind of blood taking needle re-covering device - Google Patents
A kind of blood taking needle re-covering device Download PDFInfo
- Publication number
- CN108354617A CN108354617A CN201810160397.9A CN201810160397A CN108354617A CN 108354617 A CN108354617 A CN 108354617A CN 201810160397 A CN201810160397 A CN 201810160397A CN 108354617 A CN108354617 A CN 108354617A
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- China
- Prior art keywords
- bevel gear
- rack
- clockwork spring
- turntable
- pawl
- Prior art date
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- 239000008280 blood Substances 0.000 title claims abstract description 43
- 210000004369 blood Anatomy 0.000 title claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000008450 motivation Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000010241 blood sampling Methods 0.000 abstract description 17
- 239000002699 waste material Substances 0.000 abstract description 3
- 208000015181 infectious disease Diseases 0.000 abstract description 2
- 230000000994 depressogenic effect Effects 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 238000005381 potential energy Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000012266 Needlestick injury Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000001194 anti-hemostatic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
Abstract
The invention discloses a kind of blood taking needle re-covering devices,Preferably external blood sampling syringe can be supported and be placed by the rack of setting,Needle cap is put into turntable,Then turntable is linked by linkage mechanism and rack,In this way when external blood sampling syringe is inserted into rack by user,Then blood sampling syringe is depressed and can syringe needle be injected needle cap,Then blood sampling syringe is extracted from rack,Then linkage mechanism can drive turntable to rotate,Thus it can realize automatic filling needle cap by rotating turntable,Automation can thus be improved,Compared to it is present it is artificial needle cap alignment syringe needle cover for,This programme improves safety,User is avoided when returning set,Syringe needle punctures the phenomenon that finger,Also the hidden danger of infection illness is avoided,Manual-alignment needs to waste many manual times,The position that needle cap is placed on corresponding syringe needle by the automatic rotation turntable of this programme also increases efficiency.
Description
Technical field
The present invention relates to medical instruments field, more particularly to a kind of blood taking needle re-covering device.
Background technology
Blood sampling station staff blood was collected operation when, according to medical staff's professional standard require, after blood taking needle use
Set needle cap must be returned, to prevent from being wounded by stabbing during subsequent operation and anti-Hemostatic Oral Liquid is contaminated.
The set mode of returning used at present is mostly that both hands return set, i.e., one hand-held needle, another hand goes to take needle guard, then by needle point
It is directed at the hole in needle guard, blood taking needle is inserted into needle guard.When the people for encountering blood sampling is excessive, need that above-mentioned action is rapidly completed.
In the engineering for executing above-mentioned action, often when a hand takes needle cap, does not hold steadily and get rid of needle cap, waste time；Because of needle guard
On pin hole it is very small, so in the aligning process, frequent occurrence by needlestick injury thing, the especially unskilled new person of business, warp
Chang Yinwei is stabbed when returning set needle cap.
Patent publication No is the patent document of CN206381181U, discloses a kind of blood taking needle re-covering device, including return set
Needle cap box, return trocar hat box on be provided with back trocar cap aperture, return trocar cap aperture top be divided into taper, return trocar cap aperture lower part and
Return set needle cap transition cooperation；It is equipped with spring mounting hole below described time trocar cap aperture, spring is provided in spring mounting hole, it is described
Corresponding position is equipped with the limiting plate for preventing spring from popping up in spring mounting hole, and the effect realized only is to facilitate back set needle cap
Set needle cap is preferably fixed back after insertion, then blood taking needle is being inserted into back trocar by manual alignment after returning the entrance for covering needle cap
Cap, such use are still inconvenient.
Then it needs further to be improved the blood taking needle re-covering device in above patent document, when use is easier
It is directed at back set needle cap, is more convenient, more saves the time.
Invention content
It is a kind of easy to use in view of the deficiencies of the prior art, the present invention intends to provide, it can more save back set
The blood taking needle re-covering device of time.
To achieve the above object, the present invention provides following technical solutions：A kind of blood taking needle re-covering device, including can put
The Hui Tao mechanisms of the shell and setting of external blood taking needle inside the shell are set, the Hui Tao mechanisms include needle cap, linkage mechanism, use
In the turntable for storing needle cap and the rack for being inserted into for external blood collection syringe and being pierced by syringe needle, needle cap is annularly arranged
It is placed in turntable, inside the shell, the turntable is arranged below rack and can for the connection that the rack can slide up and down
Inside the shell, the rack and turntable are linked by linkage mechanism for the connection of rotation, when external syringe be put into rack and under
When pressure, needle cap is socketed on the syringe needle of external syringe, when external syringe is extracted from rack, the linkage mechanism band
Adjacent needle cap, is placed in the position of the syringe needle of corresponding external blood collection syringe below rack by the dynamic turntable rotation.
As a further improvement on the present invention, the linkage mechanism includes linkage disk, link rack and linkage gear group,
The linkage disk links with rack, and the linkage disk also links with linkage rack, and the linkage gear group is nibbled with linkage rack
It closes, the linkage gear group also links with turntable, and when the rack is extracted from rack, the linkage disk passes through linkage
Rack drives linkage gear group, and then drive turntable rotation.
As a further improvement on the present invention, the linkage gear group includes first bevel gear and second bevel gear, described
First bevel gear and second bevel gear mutually at right angles engage,
Wherein, first bevel gear is meshed with linkage rack, and second bevel gear links with turntable.
As a further improvement on the present invention, the side of the rack is fixedly connected with sliding block, and the sliding block can be upper and lower
Inside the shell, the sliding block is opened up with teeth and is linked with linkage disk backwards to the one side of rack for the connection of sliding.
As a further improvement on the present invention, the first bevel gear is installed with shaft, and the first bevel gear is rotatable
It is connected in shaft, the both ends of the shaft are fixedly connected with inside the shell, and one end of the first bevel gear is provided with clockwork spring
Disk, the clockwork spring disk are coaxially rotatably attached in shaft with the first bevel gear interval, and the side of the clockwork spring disk is opened
It is useful for the tooth being meshed with linkage rack, the clockwork spring disk is hinged with multiple arrangements annular in shape with respect to one end of first bevel gear
Clockwork spring disk pawl, it is opposite with clockwork spring disk pawl that the first bevel gear with respect to one end of clockwork spring disk is fixedly connected with multiple positions
The barb answered, the clockwork spring disk pawl is with flip bit and locked position also with an inclined-plane, the barb and clockwork spring disk pawl phase
Mutually cooperation, when the clockwork spring disk clockwise rotates, the clockwork spring disk pawl enters flip bit, the inclined-plane that clockwork spring disk pawl has
It is overturn with the inconsistent guiding clockwork spring disk pawl of barb, when the clockwork spring disk rotates counterclockwise, the clockwork spring disk pawl enters lock
Dead position, the clockwork spring disk pawl catch on barb and drive first bevel gear rotation, and clockwork spring, the clockwork spring are provided in the clockwork spring disk
One end be fixedly connected on the Pan Bi of clockwork spring disk, the other end is fixedly connected in shaft, when the clockwork spring disk clockwise rotate
When, clockwork spring rolls tightly.
As a further improvement on the present invention, enclosure is additionally provided with close to the first bevel gear position can go up downslide
The pawl of shifting, when the pawl slides up and down, pawl is separated or offsets with first bevel gear.
As a further improvement on the present invention, the pawl, which has, hooks pawl and fixing axle, the hook pawl and third hand tap gear
Inconsistent, the hook pawl is rotatably attached to by torsional spring in fixing axle, and shifting block sliding slot and shifting block are provided on the shell,
The shifting block slip is connected in shifting block sliding slot, and the slot bottom of the shifting block sliding slot offers to be slided up and down for fixing axle
Sliding rail, inside the shell, the other end is fixedly connected on after being pierced by sliding rail on shifting block for the connection of one end slip of the fixing axle, when
When the shifting block slides up and down in shifting block sliding slot, the fixing axle slides up and down in sliding rail, drives and hooks pawl and triconodont
Take turns inconsistent or phase separation.
As a further improvement on the present invention, the bottom of the turntable is in a circular table shape, and the side of round platform open up it is with teeth,
The other end of the opposite first bevel gear of the second bevel gear is coaxially connected with the 4th bevel gear, the 4th bevel gear and the
Two bevel gears are coaxially fixed, and the 4th bevel gear is meshed with the tooth of turntable bottom, when second bevel gear rotates, described
Four bevel gears rotate, and the turntable is driven to rotate.
As a further improvement on the present invention, top sliding slot, the top cunning are offered at the center of the turntable bottom
Slip is connected with top in slot, and described top one end backwards to tip is fixedly connected with spring, and the spring is relatively top
The other end be fixedly connected with the slot bottom of top sliding slot, the outer casing bottom is fixedly connected with the sky stretched into from bottom for human hand
The pedestal of the heart is provided with the fore-set with the first cone tank on the pedestal, and the fore-set penetrates shell and enters enclosure,
The top tip is extend into the first cone tank, described top to be rotated in the first cone tank when the turntable rotates；
The slot bottom of first cone tank is additionally provided with push rod, and one end of the push rod and top tip are inconsistent, and the other end penetrates
Fore-set is fixedly connected with briquetting after extending into pedestal, described top to be squeezed by push rod when the briquetting is pressed
Enter into top sliding slot.
As a further improvement on the present invention, the second cone tank is provided at the top of the shell, second cone tank
Slot bottom is interconnected with rack.
Beneficial effects of the present invention, preferably external blood sampling syringe can be supported by the rack of setting and
It places, needle cap is put into turntable, then turntable is linked by linkage mechanism and rack, in this way when user is by external blood sampling
When syringe is inserted into rack, syringe needle can be injected needle cap by then depressing blood sampling syringe, and then will take a blood sample syringe
It is extracted from rack, then linkage mechanism can drive turntable to rotate, and can thus be realized automatically by rotating turntable
Fill needle cap, can thus improve automation, compared to it is present it is artificial needle cap alignment syringe needle cover for, this programme
Safety is improved, user is avoided when returning set, the phenomenon that syringe needle punctures finger, also avoids the hidden danger of infection illness,
Manual-alignment needs to waste many manual times, and needle cap is placed on the position of corresponding syringe needle by the automatic rotation turntable of this programme
Increase efficiency.
Description of the drawings
Fig. 1 is the overall structure schematic cross-sectional view of the present invention；
Fig. 2 is the shell schematic diagram of the present invention；
Fig. 3 is the top and push rod mating reaction schematic diagram of the present invention；
Fig. 4 is the linkage dish structure schematic diagram of the present invention；
Fig. 5 is the linkage gear group structural schematic diagram of the present invention；
Fig. 6 is the first bevel gear and clockwork spring disk structure schematic diagram of the present invention
Specific implementation mode
The present invention is described in further detail below in conjunction with the embodiment given by attached drawing.
Shown in Fig. 6, a kind of blood taking needle re-covering device of the present embodiment, including external blood sampling can be placed
The shell 1 of needle and the Hui Tao mechanisms 2 being arranged in shell 1, the Hui Tao mechanisms 2 include needle cap 22, linkage mechanism 23, for depositing
The turntable 24 of widening cap 22 and the rack 21 for being inserted into for external blood collection syringe and being pierced by syringe needle, needle cap 22 are annular in shape
Arrangement is placed in turntable 24, and what the rack 21 can slide up and down is connected in shell 1, and the setting of the turntable 24 is being placed
21 lower section of frame is simultaneously rotatably attached in shell 1, and the rack 21 and turntable 24 are linked by linkage mechanism 23, work as outside
When syringe is put into rack 21 and pushes, needle cap 22 is socketed on the syringe needle of external syringe, when external syringe is from rack
When being extracted in 21, the linkage mechanism 23 drives the turntable 24 to rotate, and adjacent needle cap 22 is placed in 21 lower section of rack
The position of the syringe needle of corresponding external blood collection syringe.
Through the above technical solutions, when user needs the syringe needle to external blood sampling syringe to carry out back set, it is only necessary to will
Syringe of taking a blood sample injects in rack 21, and the position of rack 21 is matched with the needle cap 22 in turntable 24, and such syringe needle is from placement
It can be injected in needle cap 22 when being pierced by frame 21, then user's force pushes blood sampling syringe, can thus drive rack
21 push, so that it may entirely to inject the syringe needle for syringe of taking a blood sample in needle cap 22, so that it may needle cap 22 to be fixed on syringe needle, and because
Linked by linkage mechanism 23 for rack 21 and turntable 24, in this way when user will take a blood sample syringe extracted from rack 21 when,
Linkage mechanism 23 will drive turntable 24 to rotate, because placed the needle cap 22 annularly arranged, such turntable 24 on turntable 24
Adjacent needle cap 22 can be gone to the corresponding position in 21 lower section of rack when rotation, manually adopted compared to present in this way
For the syringe needle of blood syringe with for the alignment of needle cap 22, this programme realizes equipment alignment, need not be artificial, also avoids in this way
The phenomenon that syringe needle pricks human hand and causes medical worker's security risk when returning set, but increasing automatic rotation turntable 24 will be adjacent
Needle cap 22 turns to the function of the corresponding position of syringe needle of corresponding external blood collection syringe, is also just increased in this way than artificial mode
Efficiency substantially reduces the working time, eliminates the process of manual-alignment.
As a kind of improved specific implementation mode, the linkage mechanism 23 include linkage disk 231, linkage rack 232 with
And linkage gear group 233, the linkage disk 231 link with rack 21, the linkage disk 231 also links with linkage rack 232,
The linkage gear group 233 is engaged with linkage rack 232, and the linkage gear group 233 also links with turntable 24, when blood sampling syringe
When being extracted from rack 21, the linkage disk 231 drives linkage gear group 233 by the rack 232 that links, and then drives turntable
24 rotations.
Through the above technical solutions, when rack 21 and turntable 24 are linked, the linkage rotation of disk 231 drives rack
21 move up, while linkage rack 232 also being driven to move down, and thus can drive linkage tooth by the rack 232 that links
Wheel group 233 thus can drive turntable 24 to rotate, the rotation of turntable 24 thus may be implemented by linkage gear group 233
Automatic filling 22 function of needle cap, rack 21 can thus be moved up automatically restored automatically, can be for user
It pushes after insertion blood sampling syringe next time, and is linked by linking rack 232, linked compared to belt, link rack
232 structure is simple, practical, will not aging.
As a kind of improved specific implementation mode, the linkage gear group 233 includes first bevel gear 2331 and second
Bevel gear 2332, the first bevel gear 2331 and second bevel gear 2332 mutually at right angles engagement, wherein first bevel gear
2331 are meshed with linkage rack 232, and second bevel gear 2332 links with turntable 24.
Through the above technical solutions, when the rack 232 that links is linked by linkage gear group 233 and turntable 24, driving cog
The movement of item 232 drives first bevel gear 2331 to rotate, since first bevel gear 2331 and second bevel gear 2332 are mutual at right angles
Engagement can thus realize the variation of transmission direction while linkage, and the structure of its change transmission direction is simple,
Realize the effect that belt linkage is difficult to realize.
As a kind of improved specific implementation mode, the side of the rack 21 is fixedly connected with sliding block 211, the cunning
What block 211 can slide up and down is connected in shell 1, the sliding block 211 backwards to rack 21 one side open up it is with teeth and with connection
Moving plate 231 links.
Through the above technical solutions, two sliding blocks 211 that the both sides of rack 21 are opposite, may be implemented to slide rack 21
Shifting is connected in shell 1, and two sliding blocks 211 can control rack 21 and will not rotate horizontally, and can only slide up and down, simultaneously
Also preferably the wherein toothed sliding block 211 of control links with linkage disk 231, and without departing from linkage, the disk 231 that links here can be
Can will link rack 232 and the bevel gear that gets up with the linkage of sliding block 211 with teeth.
As a kind of improved specific implementation mode, the first bevel gear 2331 is installed with shaft 41, the first cone tooth
Wheel 2331 is rotatably attached in shaft 41, and the both ends of the shaft 41 are fixedly connected in shell 1, the first cone tooth
One end of wheel 2331 is provided with clockwork spring disk 42, and the clockwork spring disk 42 is spaced coaxial rotatable company with the first bevel gear 2331
It is connected in shaft 41, the side of the clockwork spring disk 42 is provided with the tooth for being meshed with linkage rack 232,42 phase of clockwork spring disk
Multiple clockwork spring disk pawls 44 annularly arranged, 2331 phase of the first bevel gear are hinged with to one end of first bevel gear 2331
Multiple positions barb 45 corresponding with clockwork spring disk pawl 44, the clockwork spring disk pawl are fixedly connected with to one end of clockwork spring disk 42
44 also cooperate with an inclined-plane, the barb 45 and clockwork spring disk pawl 44 with flip bit and locked position, when the clockwork spring
When 42 clockwise of disk rotates, the clockwork spring disk pawl 44 enters flip bit, the inclined-plane that clockwork spring disk pawl 44 has and 45 phase of barb
It contradicts guiding clockwork spring disk pawl 44 to overturn, when the clockwork spring disk 42 rotates counterclockwise, the clockwork spring disk pawl 44 enters locked
Position, the clockwork spring disk pawl 44 catch on barb 45 and first bevel gear 2331 are driven to rotate, and clockwork spring is provided in the clockwork spring disk 42,
One end of the clockwork spring is fixedly connected on the Pan Bi of clockwork spring disk 42, and the other end is fixedly connected in shaft 41, when the clockwork spring
When 42 clockwise of disk rotates, clockwork spring rolls tightly.
Through the above technical solutions, a side of clockwork spring disk pawl 44 is hinged on clockwork spring disk 42, such clockwork spring disk pawl
44 will have flip bit and locked position, such as may be implemented to downwardly turn over and cannot be flipped up, when linkage rack 232
When moving down, clockwork spring disk 42 is driven to rotate clockwise, clockwork spring disk pawl 44 enters flip bit, the inclined-plane of clockwork spring disk pawl 44 with
Barb 45 is inconsistent, and guiding clockwork spring disk pawl 44 is overturn, and clockwork spring disk 42 thus may be implemented and rotate, and first bevel gear 2331
It does not rotate, clockwork spring can thus be rolled tightly, such clockwork spring just stores elastic potential energy, when blood sampling syringe quilt from rack 21
When extraction, clockwork spring will restore, and such clockwork spring disk 42 will rotate counterclockwise, due to matching for clockwork spring disk pawl 44 and barb 45
It closes, clockwork spring disk pawl 44, which enters, locks position, so that it may with when clockwork spring disk 42 rotates counterclockwise, clockwork spring disk pawl 44 catches on barb
45, drive first bevel gear 2331 to rotate, then first bevel gear 2331 will drive second bevel gear 2332 to rotate, and then band
Turn disk 24 thus can realize the rotation of automatic rotating disk 24 with restoring by rolling tightly for clockwork spring, realize automatic filling needle
Cap 22, such simple in structure, clockwork spring is durable, at low cost, while facilitating installation.
As a kind of improved specific implementation mode, 1 inside of shell is also set up close to 2331 position of the first bevel gear
There is the pawl 43 that can be slid up and down, when about 43 pawl slides, pawl 43 is separated with first bevel gear 2331 or phase
It supports.
Through the above technical solutions, pawl 43 is matched with first bevel gear 2331, pawl 43 resists first bevel gear
2331, prevent it from rotating counterclockwise, such clockwork spring disk 42 also can not just rotate counterclockwise, and can be stored up when clockwork spring rolls tightly in this way
Elastic potential energy is deposited, only when sliding is detached from first bevel gear 2331 to pawl 43 upwards, clockwork spring could discharge elastic potential energy progress
It restores, first bevel gear 2331 can thus be driven to rotate, can resist first bevel gear 2331, this implementation again after sliding downwards
Example increases controllability, if without pawl 43, will result in clockwork spring disk 42 and is unable to control, clockwork spring will discharge bullet as far as possible
Property potential energy, first bevel gear 2331 will be constantly subjected to the drive of clockwork spring disk 42, and such turntable 24 will also rotate always, if
Blood sampling syringe is slowly extracted, the syringe needle for syringe of taking a blood sample will be constantly subjected to contradict, it is possible to cause the damage of syringe needle, the present embodiment
Such case is avoided, after user extracts blood sampling syringe, pawl 43 is detached into the just meeting of rear clockwork spring with first bevel gear 2331
It restores.
As a kind of improved specific implementation mode, the pawl 43, which has, hooks pawl 431 and fixing axle 432, the hook pawl
431 is inconsistent with first bevel gear 2331, and the hook pawl 431 is rotatably attached to by torsional spring in fixing axle 432, described outer
Shifting block sliding slot 11 and shifting block 12 are provided on shell 1,12 slip of the shifting block is connected in shifting block sliding slot 11, and the shifting block is slided
The slot bottom of slot 11 offers the sliding rail 13 slided up and down for fixing axle 432, the connection of one end slip of the fixing axle 432
On shell 1, the other end is fixedly connected on after being pierced by sliding rail 13 in shifting block 12, above and below the shifting block 12 is in shifting block sliding slot 11
When sliding, the fixing axle 432 slides up and down in sliding rail 13, and drive hook pawl 431 offsets with first bevel gear 2331 or phase point
From.
Through the above technical solutions, when user needs to detach pawl 43 with first bevel gear 2331, it is only necessary to stir
Shifting block 12 slides in sliding slot 11, and shifting block 12 can drive fixing axle 432 to be slided up and down in sliding rail 13, and then drives and hook pawl
431 offset or are separated with first bevel gear 2331, hook pawl 431 and are connected in fixing axle 432 and can be increased by torsional spring
The adhesive force for hooking pawl 431 and first bevel gear 2331 prevents from detaching with first bevel gear 2331 because accidental cause hooks pawl 431, and
And shifting block 12 is arranged on the surface of shell 1, it is convenient for users.
As a kind of improved specific implementation mode, the bottom of the turntable 24 is in a circular table shape, and the side of round platform is opened
Equipped with tooth, the other end of the opposite first bevel gear 2331 of the second bevel gear 2332 is coaxially connected with the 4th bevel gear
2333, the 4th bevel gear 2333 is coaxial fixed with second bevel gear 2332, the 4th bevel gear 2333 and 24 bottom of turntable
The tooth in portion is meshed, and when second bevel gear 2332 rotates, the 4th bevel gear 2333 rotation drives 24 turns of the turntable
It is dynamic.
Through the above technical solutions, when second bevel gear 2332 and turntable 24 link, second bevel gear 2332 drives the
Four bevel gears 2333 rotate, and again and the round table-like side intermeshing in 24 bottom of turntable, the such 4th bores the 4th bevel gear 2333
Gear 2333 will drive turntable 24 to rotate, and the 4th bevel gear 2333 is using bevel gear rather than ordinary gear, in this way when
When disk is installed into shell by user, it is easier to engage with the 4th bevel gear 2333, will not occurs as ordinary gear
Tooth is not directed at the phenomenon that can not being just caught in, and it is inconvenient to will result in installation.
As a kind of improved specific implementation mode, top sliding slot 241, institute are offered at the center of 24 bottom of the turntable
It states being connected with for slip in top sliding slot 241 and top 242, described top 242 is fixedly connected with spring backwards to the one end at tip,
The other end of the spring relatively top 242 is fixedly connected with the slot bottom of top sliding slot 241, and 1 bottom of the shell is fixedly connected
There is the hollow pedestal 3 stretched into from bottom for human hand, the fore-set 31 with the first cone tank 32 be provided on the pedestal 3,
The fore-set 31 penetrates shell 1 and enters inside shell 1, and top 242 tip is extend into the first cone tank 32, works as institute
When stating the rotation of turntable 24, described top 242 rotate in the first cone tank 32；The slot bottom of first cone tank 32 is additionally provided with
Push rod 33, one end of the push rod 33 with top 242 tip it is inconsistent, the other end penetrates after fore-set 31 extend into pedestal 3
It is fixedly connected with briquetting 34, when the briquetting 34 is pressed, described top 242 are pressed into top cunning by push rod 33
In slot 241.
Through the above technical solutions, the side of the shell 1 of the present embodiment is provided with opening, turntable 24 from opening be transversely mounted into
Inside shell 1, when turntable 24 rotates, top 242 extend into the first cone tank 32, and inconsistent with fore-set 31, in this way
Top 242 would not move in the rotation, and what can be stablized rotates in a small range, can also increase adopt in this way
The accuracy that blood syringe is aligned with needle cap is that equipment operation is more stablized, while top 242 setting also preferably reduces rotation
When contact area, reduce friction, so that the rotation of turntable 24 is more prone to, and the briquetting 34 of setting can be pressed, then
Briquetting 34 will drive push rod 33 to move up, and will withstand and be squeezed into top sliding slot 241 by top 242, top in this way
242 would not protrude turntable 24, when so laterally dismantling turntable 24 from shell 1, will not hinder the dismounting of turntable 24, in this way
Turntable 24 can be dismantled easily, convenient to be installed after placement needle cap 22 into turntable 24 again.
As a kind of improved specific implementation mode, the top of the shell 1 is provided with the second cone tank 14, second cone
The slot bottom of shape slot 14 is interconnected with rack 21.
Through the above technical solutions, when user needs the syringe needle to syringe of taking a blood sample to carry out back set, the second cone tank 14
Setting can increase inlet area, while the cell wall of cone tank has inclined-plane, in this way can be more by the guiding function on inclined-plane
The good syringe needle by syringe of taking a blood sample guides, and syringe of taking a blood sample in this way can be led out into along inclined-plane in rack 21,
It is further user-friendly, reduce the operating time.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of blood taking needle re-covering device, which is characterized in that shell (1) and setting including that can place external blood taking needle exist
Hui Tao mechanisms (2) in shell (1), the Hui Tao mechanisms (2) include needle cap (22), linkage mechanism (23), for storing needle cap
(22) turntable (24) and the rack (21) for external blood collection syringe insertion and being pierced by syringe needle, needle cap (22) are in ring
Shape arrangement is placed in turntable (24), and what the rack (21) can slide up and down is connected in shell (1), the turntable (24)
Setting is below rack (21) and is rotatably attached in shell (1), and the rack (21) and turntable (24) pass through connection
Motivation structure (23) links, and when external syringe is put into rack (21) and pushes, needle cap (22) is socketed in external syringe
On syringe needle, when external syringe is extracted from rack (21), the linkage mechanism (23) drives turntable (24) rotation, with
Adjacent needle cap (22) is placed in the position of the syringe needle of corresponding external blood collection syringe below rack (21).
2. blood taking needle re-covering device according to claim 1, which is characterized in that the linkage mechanism (23) includes linkage disk
(231), linkage rack (232) and linkage gear group (233), the linkage disk (231) is linked with rack (21), described
Moving plate (231) also links with linkage rack (232), and the linkage gear group (233) is engaged with linkage rack (232), described
Moving gear group (233) also links with turntable (24), when syringe of taking a blood sample is extracted from rack (21), the linkage disk (231)
Linkage gear group (233) is driven by the rack (232) that links, and then turntable (24) is driven to rotate.
3. blood taking needle re-covering device according to claim 2, which is characterized in that the linkage gear group (233) includes the
One bevel gear (2331) and second bevel gear (2332), the first bevel gear (2331) and second bevel gear (2332) are mutually in
Right angle engages,
Wherein, first bevel gear (2331) is meshed with linkage rack (232), and second bevel gear (2332) joins with turntable (24)
It is dynamic.
4. blood taking needle re-covering device according to claim 3, which is characterized in that the side of the rack (21), which is fixed, to be connected
It is connected to sliding block (211), what the sliding block (211) can slide up and down is connected in shell (1), and the sliding block (211) is backwards to placement
The one side of frame (21) is opened up with teeth and is linked with linkage disk (231).
5. blood taking needle re-covering device according to claim 4, which is characterized in that the first bevel gear (2331), which is installed with, to be turned
Axis (41), the first bevel gear (2331) are rotatably attached in shaft (41), and the both ends of the shaft (41) are fixed
It is connected in shell (1), one end of the first bevel gear (2331) is provided with clockwork spring disk (42), the clockwork spring disk (42) and institute
It states first bevel gear (2331) interval to be coaxially rotatably attached in shaft (41), the side of the clockwork spring disk (42) is provided with use
In the tooth being meshed with linkage rack (232), the clockwork spring disk (42) is hinged with more with respect to one end of first bevel gear (2331)
A clockwork spring disk pawl (44) annularly arranged, the first bevel gear (2331) are fixedly connected with respect to one end of clockwork spring disk (42)
There are multiple positions barb (45) corresponding with clockwork spring disk pawl (44), the clockwork spring disk pawl (44) that there is flip bit and lock
Also there is an inclined-plane, the barb (45) to cooperate with clockwork spring disk pawl (44) for position, when clockwork spring disk (42) clockwise revolves
When turning, the clockwork spring disk pawl (44) enters flip bit, the inclined-plane that clockwork spring disk pawl (44) has with barb (45) is inconsistent draws
Clockwork spring disk pawl (44) overturning is led, when the clockwork spring disk (42) rotates counterclockwise, the clockwork spring disk pawl (44) enters locked
Position, the clockwork spring disk pawl (44) catch on barb (45) and first bevel gear (2331) are driven to rotate, set in the clockwork spring disk (42)
It is equipped with clockwork spring, one end of the clockwork spring is fixedly connected on the Pan Bi of clockwork spring disk (42), and the other end is fixedly connected on shaft (41)
On, when clockwork spring disk (42) clockwise rotates, clockwork spring rolls tightly.
6. blood taking needle re-covering device according to claim 5, which is characterized in that shell (1) is internal to bore close to described first
Gear (2331) position is additionally provided with the pawl (43) that can be slid up and down, when the pawl (43) slides up and down, pawl (43)
It is separated or offsets with first bevel gear (2331).
7. blood taking needle re-covering device according to claim 6, which is characterized in that the pawl (43), which has, hooks pawl (431)
With fixing axle (432), the hook pawl (431) and first bevel gear (2331) are inconsistent, and the hook pawl (431) can be revolved by torsional spring
What is turned is connected in fixing axle (432), and shifting block sliding slot (11) and shifting block (12), the shifting block are provided on the shell (1)
(12) slip is connected in shifting block sliding slot (11), and the slot bottom of the shifting block sliding slot (11) offers for fixing axle (432)
The sliding rail (13) slided up and down, one end slip of the fixing axle (432) are connected in shell (1), and the other end is pierced by cunning
It is fixedly connected on after rail (13) on shifting block (12), it is described solid when the shifting block (12) slides up and down in shifting block sliding slot (11)
Dead axle (432) slides up and down in sliding rail (13), and hook pawl (431) is driven to offset or be separated with first bevel gear (2331).
8. blood taking needle re-covering device according to claim 7, which is characterized in that the bottom of the turntable (24) is in round platform
Shape, and the side of round platform opens up with teeth, the other end of the opposite first bevel gear (2331) of the second bevel gear (2332)
It is coaxially connected with the 4th bevel gear (2333), the 4th bevel gear (2333) is coaxial fixed with second bevel gear (2332), institute
The 4th bevel gear (2333) is stated to be meshed with the tooth of turntable (24) bottom, when second bevel gear (2332) rotate, the described 4th
Bevel gear (2333) rotates, and the turntable (24) is driven to rotate.
9. blood taking needle re-covering device according to claim 8, which is characterized in that opened at the center of turntable (24) bottom
Equipped with top sliding slot (241), the interior slip of the top sliding slot (241) is connected with top (242), described top (242) back of the body
It is fixedly connected with spring, the slot bottom of the other end and top sliding slot (241) of the spring relatively top (242) to the one end at tip
It is fixedly connected, shell (1) bottom is fixedly connected with the hollow pedestal (3) stretched into from bottom for human hand, the pedestal
(3) fore-set (31) with the first cone tank (32) is provided on, the fore-set (31) penetrates shell (1) and enters shell (1)
The tip of inside, top (242) is extend into the first cone tank (32), described top when the turntable (24) rotate
(242) rotation in the first cone tank (32)；The slot bottom of first cone tank (32) is additionally provided with push rod (33), the push rod
(33) tip of one end and top (242) is inconsistent, and the other end is penetrated after fore-set (31) is extend into pedestal (3) and is fixedly connected
There is briquetting (34), when the briquetting (34) is pressed, top (242) are pressed into top cunning by push rod (33)
In slot (241).
10. blood taking needle re-covering device according to claim 9, which is characterized in that be provided with second at the top of the shell (1)
Cone tank (14), slot bottom and the rack (21) of second cone tank (14) are interconnected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810160397.9A CN108354617A (en) | 2018-02-26 | 2018-02-26 | A kind of blood taking needle re-covering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810160397.9A CN108354617A (en) | 2018-02-26 | 2018-02-26 | A kind of blood taking needle re-covering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108354617A true CN108354617A (en) | 2018-08-03 |
Family
ID=63002586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810160397.9A Pending CN108354617A (en) | 2018-02-26 | 2018-02-26 | A kind of blood taking needle re-covering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108354617A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109938746A (en) * | 2019-03-29 | 2019-06-28 | 西安医学院 | A kind of high security puncture needle |
| CN111467229A (en) * | 2020-05-29 | 2020-07-31 | 河南省中医院（河南中医药大学第二附属医院） | Needle for treating pain in neck, shoulder, waist and leg |
| CN112494228A (en) * | 2020-11-19 | 2021-03-16 | 贵州华宁科技股份有限公司 | Pre-hospital emergency system |
| CN114073799A (en) * | 2021-07-02 | 2022-02-22 | 上海安谱实验科技股份有限公司 | Automatic inserting device for needle and needle cap |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2006141570A (en) * | 2004-11-17 | 2006-06-08 | Fujisawa Setsubi Service Kk | Injection needle cap attaching/detaching apparatus |
| CN206381181U (en) * | 2016-08-31 | 2017-08-08 | 中国人民解放军第三军医大学第一附属医院 | Blood taking needle re-covering device |
| CN208677406U (en) * | 2018-02-26 | 2019-04-02 | 温州市中心医院 | A kind of blood taking needle re-covering device |
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2018
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006141570A (en) * | 2004-11-17 | 2006-06-08 | Fujisawa Setsubi Service Kk | Injection needle cap attaching/detaching apparatus |
| CN206381181U (en) * | 2016-08-31 | 2017-08-08 | 中国人民解放军第三军医大学第一附属医院 | Blood taking needle re-covering device |
| CN208677406U (en) * | 2018-02-26 | 2019-04-02 | 温州市中心医院 | A kind of blood taking needle re-covering device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109938746A (en) * | 2019-03-29 | 2019-06-28 | 西安医学院 | A kind of high security puncture needle |
| CN111467229A (en) * | 2020-05-29 | 2020-07-31 | 河南省中医院（河南中医药大学第二附属医院） | Needle for treating pain in neck, shoulder, waist and leg |
| CN112494228A (en) * | 2020-11-19 | 2021-03-16 | 贵州华宁科技股份有限公司 | Pre-hospital emergency system |
| CN112494228B (en) * | 2020-11-19 | 2022-09-13 | 贵州华宁科技股份有限公司 | Pre-hospital emergency system |
| CN114073799A (en) * | 2021-07-02 | 2022-02-22 | 上海安谱实验科技股份有限公司 | Automatic inserting device for needle and needle cap |
| CN114073799B (en) * | 2021-07-02 | 2023-08-01 | 上海安谱实验科技股份有限公司 | Automatic inserting device for needle and needle cap |
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