CN208541639U - A kind of safty pin - Google Patents
A kind of safty pin Download PDFInfo
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- CN208541639U CN208541639U CN201720962789.8U CN201720962789U CN208541639U CN 208541639 U CN208541639 U CN 208541639U CN 201720962789 U CN201720962789 U CN 201720962789U CN 208541639 U CN208541639 U CN 208541639U
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- catching groove
- needle
- elastic slice
- tilt angle
- positioning protrusion
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Abstract
The utility model discloses a kind of safty pin with catching groove structure, belongs to medical material technical field.The utility model safty pin includes cap, syringe needle part, needle stand, the second external member and/or the first external member.The cap is slidably matched with the second body, which is fixedly mounted in needle stand, which is slidably matched with needle stand, which is slidably matched with the first body.Catching groove is contained on the surface of needle stand and the first body, and the first body is equipped with the first elastic slice, and the first elastic slice lower surface is equipped with first component；Second body is equipped with the second elastic slice, and the lower surface of the second elastic slice is equipped with second component.The tilt angle of catching groove is matched with hook, so that the first body and the second body slide in and out and reach pull locking, and it is internal that safty pin is wrapped in set when starting safty pin.The safe needle construction of the utility model is simple, easy to operate, low manufacture cost, avoids security risk, has good generalization.
Description
Technical field
The utility model discloses a kind of safty pin with catching groove structure, belongs to medical material technical field.
Background technique
Lead to common disposable aspiration needle in injection or blood sampling, disposable aspiration needle only has cap.This disposable aspiration needle
It has the following disadvantages: first is that can not prevent from being re-used the risk so that cross-infection after being finished；Second is that passing through cap
The mode of returning is returned simultaneously due to requiring cap returning syringe needle to need precise manipulation, otherwise easily causing to infect to medical staff
Locked syringe needle that can not be stable after deduction cap lid, nut cap are also easy to fall off.
Safty pin refer in needle design in order to avoid medical staff and recycling personnel cause to stab or infect it is slightly cold
And design the syringe needle with syringe needle protection structure.The protection structure generally takes the mode of locked syringe needle.More currently on the market
Safty pin, operability is not strong, such as application number of invention patent is 201280006699.1, the Patent design needle guard and protective case
Structure, by the way that pressing protective case and needle guard is arranged at needle body neck end, to achieve the purpose that needle body is locked, however such syringe needle
It can not directly be operated in horizontal position, otherwise have the drawbacks of needle body blocks, and then be unfavorable for blood sampling or injection operation, simultaneously
Being also required to biggish pressing effect could be stuck in needle body in needle guard, so that the operability of safty pin is poor.
Summary of the invention
The utility model devises a kind of safty pin with catching groove structure, and safty pin mechanism is simple, easy to operate, while by
In the ingenious property of design structure, playing first use just can not be reused, and then avoid the hidden danger be wounded by stabbing or infected.
In order to realize the above technical purpose, mainly realized by the following technical programs:
A kind of safty pin includes cap, syringe needle part, needle stand, the first body and the second body.
The cap is slidably matched with the second body, which is fixedly mounted on needle stand, and first body and needle stand are sliding
Dynamic cooperation, second body are slidably matched with the first body.
Second body is equipped with third positioning protrusion, the second elastic slice) and third block body, the following table of every one second elastic slice
Face is equipped with one second hook.
First body is slided equipped with the first elastic slice, the 5th catching groove, the second positioning protrusion, the 6th catching groove, the 4th catching groove, second
The lower surface of road and the second block body, every one first elastic slice is equipped with one first hook.
The needle stand is equipped with the first catching groove, the first positioning protrusion, the second catching groove, third catching groove, the first slideway and the first block body.
Specifically, the described syringe needle part includes needle body and internal plug, and needle body and internal plug are integrally formed.
Specifically, third positioning protrusion is circumferentially arranged in second set of external surface, the second body back end outer surface
Peripherally disposed a plurality of vertical surface bulge, second elastic slice are set as at least one.
Specifically, first body sets gradually the 5th catching groove, the second positioning protrusion, the 6th button by front end to rear end
Slot, the second slideway and the 4th catching groove, first elastic slice and the second slideway interval are arranged, the 5th catching groove, the second positioning protrusion,
6th catching groove, the second slideway, the 4th catching groove and the first elastic slice are respectively provided at least one.
Specifically, the hub outer surface sets gradually the second catching groove, the first positioning protrusion, third button by front end to rear end
Slot, the first slideway and the first catching groove, second catching groove, the first positioning protrusion, third catching groove, the first slideway and the first catching groove are all provided with
Set at least one.
Specifically, the tilt angle b of the hook of tilt angle a >=second front end of the 4th catching groove front end；Described 4th
The tilt angle d of the hook of tilt angle c≤second rear end of catching groove rear end；Tilt angle e≤second hook of 5th catching groove
The end tilt angle f of part, the 6th catching groove front end are formed by tilt angle g≤third block body front end tilt angle h；Institute
State tilt angle j≤first component end tilt angle i of the second catching groove, third catching groove front end tilt angle l≤the
The tilt angle k of two block body front ends.
The application method of above-mentioned safty pin opens nut cap, when the second body stretches forward along the external surrounding of first set,
Second hook is skidded off from the 4th catching groove, and the second hook moves forward to the second positioning protrusion along the second slideway, when being moved to
Two lug boss ends buckle into the second hook of second elastic slice downwards in the 5th catching groove under the effect of elasticity, make second set at this time
Body and the first body lock；The first body is moved forward along needle stand at the same time, and the first hook is skidded off from the first catching groove and edge
The first slideway sliding, when moving forward to the first positioning protrusion, the first positioning protrusion end makes the first of first elastic slice
Hook buckles into downwards in the second catching groove under the effect of elasticity, and the first body and needle stand lock at this time.
The utility model additionally provides a kind of safty pin comprising cap, syringe needle part, needle stand and the second external member.
The cap is slidably matched with the second body, which is fixedly mounted in needle stand, and the needle stand and the second body are sliding
Dynamic cooperation.
The syringe needle part includes needle body and internal plug, and needle body and internal plug are integrally formed.
Hub outer surface sets gradually the second catching groove, the first positioning protrusion, third catching groove, the first slideway by front end to rear end
With the first catching groove, second catching groove, the first positioning protrusion, third catching groove, the first slideway and the first catching groove are respectively provided at least one.
Second body is convex equipped with third positioning protrusion, at least one second elastic slice, third block body, several vertical surfaces
It rises；The lower surface of every one second elastic slice is equipped with one second hook.
The inclination angle g of the catching groove of tilt angle f >=second rear end of the rear end of second hook, third block body front end is inclined
Oblique angle h >=third catching groove front end inclination angle l.
The utility model provides the application method of second of safty pin, opens nut cap, the second body along needle stand forward
Mobile, the second hook is skidded off out of first catching groove, is slid into from the first positioning protrusion along the first slideway, then proceedes to move to
Second lug boss end buckles into the second component of the second elastic slice downwards in the second catching groove, and the second body and needle stand lock at this time.
Two kinds of safty pins provided by the utility model can be applied to injection needle tube or blood sampling syringe.
Beneficial effect
The side tilt angle and the first hook possessed by the first body of first catching groove of the utility model needle stand are same
Cant angle degree matches, and first component is skidded off readily along the first slideway from the first catching groove, without readily along opposite direction
Sliding is so that the first body fixing sleeve is set and needle stand surface.
Before first hook possessed by the tilt angle of first lug boss rear end of the utility model needle stand and the first body
The tilt angle at end matches, and such design is so that first component is slided readily along the first slideway and crosses the first protrusion, together
When matched with the tilt angle of first component so that first component enters the second button due to the tilt angle of rear end of the second catching groove
Just it is less likely to occur to slide after slot.
The utility model can also provide a safty pin only with a body, due in use, needle body is locked is covering
In vivo, immovable, and then realize the technical effect of " safety ".
The safe needle construction of the utility model is simple, strong operability, and implementation needs dynamics smaller, and just can lock needle body, avoid
The risk for infecting or stabbing is caused to medical worker and recycling personnel.The utility model safty pin low manufacture cost has bright
Aobvious economic benefit, while not will cause secondary pollution, will not come into operation again to avoid security risk, therefore having bright
Aobvious social benefit is suitble to large-scale to promote.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram that the utility model the first safty pin is dismantled
Fig. 2 is the stereoscopic schematic diagram that the utility model the first safty pin is not dismantled
Fig. 3 is the first safe needle cap perspective view of the utility model
The perspective view of the second body of Fig. 4 safty pin
Fig. 5 safty pin the first body perspective view
Fig. 6 safty pin needle stand stereochemical structure
Safty pin sectional view of the Fig. 7 containing nut cap
Fig. 8 safty pin top view
Safty pin A-A diagrammatic cross-section when Fig. 9 is not opened
Safty pin B-B diagrammatic cross-section when Figure 10 is not opened
The second body of Figure 11 safty pin and the first sleeve body portion enlarged drawing
The face safty pin B-B schematic diagram when Figure 12 is opened
The first body of the face safty pin A-A and the second body partial enlargement diagram when Figure 13 is not opened
The second body of the face safty pin A-A and the first body partial enlargement diagram when Figure 14 is opened
The first body of the face safty pin B-B and needle stand partial enlargement diagram when Figure 15 is opened
Second of safty pin sectional view of Figure 16 the utility model
Second of safty pin perspective view of Figure 17 the utility model
Figure 18 is second of the face safty pin A-A schematic diagram of the utility model
Figure 19 contains only the safty pin B-B sectional view of the second body
Second of safty pin perspective view of Figure 20 the utility model
Second of the face safty pin A-A schematic diagram of Figure 21 the utility model
Second of the face safty pin B-B schematic diagram of Figure 22 the utility model
B-B partial enlarged view when second of safty pin of Figure 23 the utility model is opened
1 schematic diagram of Figure 24 specific embodiment
2 schematic diagram of Figure 25 specific embodiment.
Appended drawing reference
1- nut cap
2- syringe needle part, 21- needle body, 22- internal plug
3- needle stand, the first catching groove of 31-, the first positioning protrusion of 32-, the second catching groove of 33-, 34- third catching groove, 35- first
Slideway, the first block body of 36-
The first body of 4-, the first elastic slice of 41-, the 4th catching groove of 42-, the second positioning protrusion of 43-, the 5th catching groove of 44-, 45-
Six catching grooves, the second slideway of 46-, the second block body of 47-, the first hook of 48-
The second body of 5-, the second elastic slice of 51-, the second hook of 52-, 53- third positioning protrusion, 54- third block body.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.Involved in the utility model
Front end refers to safty pin needle point direction, and rear end refers to the opposite direction of front end.
Embodiment 1
As illustrated in figs. 1-16, the first safty pin of the utility model includes cap 1, syringe needle part 2, needle stand 3, the first body
4 and second body 5.Syringe needle part 2 has needle body 21 and internal plug 22.
As shown in Fig. 1: nut cap (1) is closed at one end, open at one end cylinder, the first body (4) and the second body (5)
It is hollow tube open at one end.Nut cap rear end (1) second body (5) front end is slidably matched, and syringe needle part (2) is fixedly mounted on
On needle stand (3), the first body (4) is slidably matched with the second body (5), while needle stand (3) is slidably matched with the first body (4).
When safty pin assembles as shown in Fig. 2, nut cap (1) is set in the outer surface of the second body (5), the second body (5) embedded the
One body (4), first body (4) embed needle stand (3), so that needle body (21) is placed on safely in nut cap (1).
Nut cap (1) point diameter is less than rear end diameter, and a plurality of protrusion is arranged in axial direction to reach in nut cap leading exterior surface
The effect anti-skidding to nut cap of choosing.Nut cap (1) aft end interior surface and the leading exterior surface of the second body (5) are set along radial direction
Projecting through for setting is slidably matched.
Syringe needle part (2) includes needle body (21) and internal plug (22), and needle body (21) and internal plug (22) are integrally formed, while syringe needle part
(2) it is fixedly mounted on again on needle stand (3).
By attached drawing 4 it is clear that several vertical protrusions are arranged in the second body (5) leading exterior surface, it is set as in this way
Frictional force when increase nut cap (1) aft end interior surface and the second body slide, so that nut cap (1) is not easily from the second jacket surface
Slide, so avoid needle sticks other people.
As shown in Fig. 5: the first body (4) outer surface is successively arranged the 5th catching groove (44), second fixed by front end to rear end
Position raised (43), the 6th catching groove (45), the second slideway (46) and the 4th catching groove (42).The outer surface of first body (4) is also set
There are the first elastic slice (41), be also apparent from by attached drawing 10: being provided with the first hook (48) below the first elastic slice.5th catching groove
(44), the second positioning protrusion (43), the 6th catching groove (45), the second slideway (46) and the 4th catching groove (42) are respectively provided with 2-4.By attached
Fig. 9 is clear that the second slideway for being formed between the 4th catching groove (42) and the second positioning protrusion (43) and having certain slope
(46).
As shown in Fig. 6: needle stand (3) is successively arranged the second catching groove (33), the first positioning protrusion (32), along outer surface
Three catching grooves (34), the first slideway (35) and the first catching groove (31).Referring to Figure of description 10 it is clear that the first catching groove
(31) there is first slideway (35) with gradient between the first lug boss (32).The rear end of needle stand is set along outside
Set the first block body (36).
By attached drawing 4 and attached drawing 5 it can be seen that the one side of the first elastic slice (41) is connected with the cylinder of the first body, in addition three
Face and the cylinder of the first body separate, and form the second block body (54) in lower end relative to the cylinder of the first body.While second
The one side of elastic slice (51) and the cylinder of the second body are integrally formed, the cylinder in other three faces and the second body of the second elastic slice (52)
It separates.First elastic slice (41) and the second elastic slice (51) have the elastic slice of one fixed width and length, and the elastic slice is free to
The deformation with certain nargin is done in the first body or the second body radial direction under stress effect.
It is equipped with first hook (48) in the lower surface of every one first elastic slice (41), under every one second elastic slice (51)
Surface is equipped with second component (52).
Nut cap (1) is the cylinder of open at one end closed at one end, and the second body (5) and the first body (4) are both ends open
Hollow structure.The point diameter of nut cap (1) is small, nut cap rear end diameter is big, and number is being arranged along nut cap outer surface radial direction
The vertical raised line of item, so that anti-skidding to play the role of when unpluging nut cap.
In the present embodiment, the first elastic slice (41), the first hook (48), the first catching groove (31), the first positioning protrusion (32),
Second catching groove (33), the first slideway (35), the second elastic slice (51), the second hook (52), the 4th catching groove (42), the 5th catching groove
(44), the 6th catching groove (45), the second positioning protrusion (43) and the second slideway (46) are respectively provided with 2.
The tilt angle b of the hook of tilt angle a >=second (52) front end of the 4th catching groove (42) front end；Described 4th
The tilt angle d of the hook of tilt angle c≤second (52) rear end of catching groove (42) rear end；The inclination angle of 5th catching groove (44)
The end tilt angle f of the hook of e≤second (52) is spent, the 6th catching groove (45) front end is formed by tilt angle g≤third
Block body (54) front end tilt angle h；The tilt angle j of second catching groove (33)≤first component (48) end tilt angle
I, the tilt angle k of third catching groove (34) the front end block body of tilt angle l≤second (47) front end.
When safty pin is not opened, the first hook (48) correspondence under the first elastic slice (41) of the first body (1) buckles into needle
In the first catching groove (31) of seat (3), similarly, the second hook (52) possessed by the second body (5) also accordingly buckles into first
In 4th catching groove (42) possessed by body (4), needle construction safe in this way is in initial light lock status.But first under active force
Component (48) from skidded off in the first catching groove (31), second component (52) is skidded off from the 4th catching groove (42), at this time, it is only necessary to by cap
Lid unplugs, and can carry out injection needle use.
The setting of the front end slope angle of first catching groove (31) and third catching groove (33) can gently be locked in the first hook (41)
First catching groove (31) can be slided relatively easily along the first slideway (35), and the second hook (52) gently locks in the 4th catching groove (42) can phase
To easily being slided along the second slideway (46), reaches reach stretching locking purpose with smaller power in this way.
After the completion of injection, the second body (5) first can be gently drawn, the second elastic slice (51) following table which is equipped with
The first hook (52) for the constant slope that face has the first elastic slice (41) upper surface possessed by the first body (4) has one
Determine gradient the 4th catching groove (43) it is inner skid off, forward along the second slideway (46), have through the 6th catching groove (45) and being moved to certain
The second positioning protrusion (43) of gradient.Since second positioning protrusion (43) makes the second elastic slice (51) to have the upward of certain nargin
It is mobile, while the second elastic slice has the active force sprung back downwards.When second component (51) move to reach the 5th catching groove (45) when,
The second hook (52) of second elastic slice (51) lower end buckles into the 5th catching groove (45) under the downward rebound effect power of the second elastic slice
It is interior；At the same time, third block body (54) is mutually resisted with the second positioning protrusion (43) possessed by the first body, make the second body with
First body is in locking state.Then, pull the first body (4) forward along needle point direction, process and above-mentioned pulling the
Two bodies (5) process is identical, i.e., the first hook (48) of the first elastic slice (41) lower surface setting is certain oblique from having for needle stand
The first catching groove (31) of degree is inner to be skidded off, the first positioning protrusion (32) by the first slideway (35) and with certain slope, equally
Ground makes the first hook (42) buckle into the second catching groove (33), and at the same time, the second block body (47) is first possessed by the first body
The drag effect of positioning protrusion (32) and cannot move further along.So far, the first body and the second body can neither forward also without
Method moves backward, and needle body is locked in the hollow cavity of the first body and the second body, safe needle construction is formed.The utility model
Safe needle construction is very simple, strong operability, the dynamics that safty pin needs very little using rear just can the needle body after pacify
Entirely, it consolidates and is locked in the space of the first body and the second body.
Embodiment 2
Referring to Figure of description 16-23.Another safty pin includes cap (1), syringe needle part (2), needle stand (3) and second set
Body (5).Syringe needle part (2) has needle body (21) and internal plug (22), and the needle body (21) and internal plug (22) are integrally formed.
The nut cap (1) is slidably matched with the second body (5), which is fixedly mounted on needle stand (3), the needle
Seat (3) is slidably matched with the second body (5).
Nut cap (1) point diameter is less than rear end diameter, and a plurality of protrusion is arranged in axial direction to reach in nut cap leading exterior surface
The effect anti-skidding to nut cap of choosing.The outer surface of nut cap aft end interior surface and the second body is logical along the protrusion that radial direction is arranged
It crosses and is slidably matched.
Needle stand (3) outer surface sets gradually the second catching groove (33), the first positioning protrusion (32), third by front end to rear end and buckles
Slot (34), the first slideway (35) and the first catching groove (31), second catching groove (33), the first positioning protrusion (32), third catching groove
(34), the first slideway (35) and the first catching groove (31) are respectively provided at least one；
Second body (5) is equipped with third positioning protrusion (53), at least one second elastic slice (51), third block body
(54), several vertical surface bulges (55)；The lower surface of every one second elastic slice (51) is equipped with one second hook (52)；
The inclination angle g of the catching groove of tilt angle f >=second (33) rear end of the rear end of second hook (51), third block body
(54) the inclination angle h of front end >=third catching groove (34) front end inclination angle l.
Referring to Figure of description 17 it is clear that the first catching groove (31) of needle stand (3) and the first positioning protrusion (32)
Between formed the first slideway (35), the first block body (36) are arranged along outside in the rear end of needle stand (3), second catching groove (33),
First positioning protrusion (32), third catching groove (34), the first slideway (35) and the first catching groove (31) are set as 2, are arranged at intervals on
Hub outer surface.
A plurality of vertical bar surface bulge is arranged in second body (5) leading exterior surface, in order to increase skin-friction force.So that lid
Cap (1) does not fall off from the second body (5) surface easily.The second of second body (5) outer surface setting, one circle one fixed width is fixed
Position is raised (53), and lateral strip raised line (55) and the second elastic slice 51 is arranged in the appearance face interval of the second body (5), this every one second
The lower surface of elastic slice (51) is also set up a second component (52), and the back end outer surface of the second body (5) is arranged along radial direction
Third block body (54).
Second elastic slice (51) and the second body (5) are integrally formed, the one side of second elastic slice and the second body (5) phase
Even, another three face and the second body of second elastic slice are not together, and thus form the elastic slice with one fixed width and length, and
The elastic slice is free to do the deformation with certain nargin in the first body or the second body radial direction in the case where stress is acted on.
With the second body (5) leading exterior surface by being slidably matched, the outer surface of the nut cap is set nut cap (1) aft end interior surface
A plurality of surface bulge is set, medical staff is facilitated to take.
In the present embodiment, the first catching groove (31), the first positioning protrusion (32), the second catching groove (33), third catching groove (34),
First slideway (35), the second elastic slice (51), the second hook (52) are respectively provided with 2, interval setting.
When safty pin is not opened, the second hook (52) possessed by the second body (5) accordingly buckles into the of needle stand (3)
In one catching groove (31), needle construction safe in this way is in initial light lock status.But second component (52) is detained from first under active force
Slot skids off in (31), at this time, it is only necessary to unplug cap, can carry out injection needle use.
The setting of the front end slope angle of first catching groove and third catching groove can gently lock in sliding slot in hook can relatively easy edge
The first slideway sliding, while first component slide on have acclive first positioning cams when resistance it is smaller, reach use
Smaller power reaches stretching locking purpose.
After the completion of injection, the second body (5) first can be gently drawn, which has
Constant slope the first hook (52) from needle stand (3) the first catching groove (31) it is inner skid off, forward along the first slideway (35), through
Three catching grooves (34) are simultaneously moved to the first positioning protrusion (32) with constant slope.Since first positioning protrusion (32) makes second
Elastic slice (51) has moving up for certain nargin, while the second elastic slice has the active force sprung back downwards.When second component
(52) when moving to reach the second catching groove (33), the second hook (52) of the second elastic slice (51) lower end is sprung back downwards in the second elastic slice
Masterpiece is buckled under exerting oneself in the second catching groove (33)；At the same time, the first positioning protrusion (32) phase of third block body (54) and needle stand
It resists, the second body and needle stand is made to be in locking state.So far, the second body can not can neither be moved backward also forward, by needle
Body locks in the hollow cavity of the second body, forms safe needle construction.The safe needle construction of the utility model is very simple, operational
By force, the dynamics that safty pin needs very little using rear just can needle body safety after, firm be locked in the first body and the
In the space of two bodies.
The safe needle construction of two kinds of the utility model can be implemented directly and in the blood sampling syringe of injection needle tube or suction type.
Above description is the further explanation done in conjunction with specific embodiment and attached drawing to the utility model.But this
Utility model obviously can be implemented in a variety of other methods different from this description, those skilled in the art can without prejudice to
It promoted, deduced according to actual use situation in the case where the content of the present invention, therefore, the content of above-mentioned specific embodiment
The protection scope that the utility model determines should not be limited.
Claims (4)
1. a kind of safty pin, it is characterised in that: the safty pin includes cap (1), syringe needle part (2), needle stand (3), the first body (4)
With the second body (5)；
The cap (1) is slidably matched with the second body (5), which is fixedly mounted on needle stand (3), first body
(4) it is slidably matched with needle stand (3), which is slidably matched with the first body (4)；
Second body 5 is equipped with third positioning protrusion (53), the second elastic slice (51) and third block body (54)；
The lower surface of every one second elastic slice (51) is equipped with one second hook (52)；
First body is equipped with the first elastic slice (41), the 5th catching groove (44), the second positioning protrusion (43), the 6th catching groove (45), the
Four catching grooves (42), the second slideway (46) and the second block body (47)；
The lower surface of every one first elastic slice (41) is equipped with one first hook (48)；
The needle stand (3) is equipped with the first catching groove (31), the first positioning protrusion (32), the second catching groove (33), third catching groove (34), first
Slideway (35) and the first block body (36)；
The described syringe needle part (2) includes needle body (21) and internal plug (22), and needle body (21) and internal plug (22) are integrally formed；Described second
Third positioning protrusion (53) are circumferentially arranged in body (5) outer surface, and the second body (5) back end outer surface is peripherally disposed
A plurality of vertical surface bulge (55), second elastic slice (51) are set as at least one；
First body (4) sets gradually the 5th catching groove (44), the second positioning protrusion (43), the 6th catching groove by front end to rear end
(45), the second slideway (46) and the 4th catching groove (42), first elastic slice (41) and the second slideway (46) interval are arranged, and the 5th
Catching groove (44), the second positioning protrusion (43), the 6th catching groove (45), the second slideway (46), the 4th catching groove (42) and the first elastic slice
(41) it is respectively provided at least one.
2. safty pin according to claim 1, it is characterised in that: needle stand (3) outer surface by front end to rear end successively
Second catching groove (33), the first positioning protrusion (32), third catching groove (34), the first slideway (35) and the first catching groove (31) are set, it should
Second catching groove (33), the first positioning protrusion (32), third catching groove (34), the first slideway (35) and the first catching groove (31) be respectively provided with to
It is one few.
3. a kind of safty pin according to claim 1, it is characterised in that: the tilt angle of the 4th catching groove (42) front end
The tilt angle b of the hook of a >=second (52) front end；The hook of tilt angle c≤second (52) of 4th catching groove (42) rear end
The tilt angle d of rear end；The end tilt angle f of the hook of tilt angle e≤second (52) of 5th catching groove (44), it is described
6th catching groove (45) front end is formed by tilt angle g≤third block body (54) front end tilt angle h；Second catching groove (33)
Tilt angle j≤first component (48) end tilt angle i, third catching groove (34) front end tilt angle l≤the second
The tilt angle k of block body (47) front end.
4. a kind of safty pin, it is characterised in that: the safty pin includes cap (1), syringe needle part (2), needle stand (3) and the second external member
(5)；
The cap (1) is slidably matched with the second body (5), which is fixedly mounted in needle stand (3), the needle stand (3) with
Second body (5) is slidably matched；
The syringe needle part (2) includes needle body (21) and internal plug (22), and needle body (21) and internal plug (22) are integrally formed;
Needle stand (3) outer surface sets gradually the second catching groove (33), the first positioning protrusion (32), third catching groove by front end to rear end
(34), the first slideway (35) and the first catching groove (31), second catching groove (33), the first positioning protrusion (32), third catching groove (34),
First slideway (35) and the first catching groove (31) are respectively provided at least one；
Second body (5) is equipped with third positioning protrusion (53), at least one second elastic slice (51), third block body (54), number
The vertical surface bulge of item (55)；The lower surface of every one second elastic slice (51) is equipped with one second hook (52)；
The inclination angle g of the catching groove of tilt angle f >=second (33) rear end of the rear end of second hook (52), third block body (54)
The inclination angle h of front end >=third catching groove (34) front end inclination angle l.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720962789.8U CN208541639U (en) | 2017-08-03 | 2017-08-03 | A kind of safty pin |
| PCT/CN2017/095962 WO2019024074A1 (en) | 2017-08-03 | 2017-08-04 | Safety needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720962789.8U CN208541639U (en) | 2017-08-03 | 2017-08-03 | A kind of safty pin |
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| Publication Number | Publication Date |
|---|---|
| CN208541639U true CN208541639U (en) | 2019-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720962789.8U Active CN208541639U (en) | 2017-08-03 | 2017-08-03 | A kind of safty pin |
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| CN (1) | CN208541639U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111387995A (en) * | 2020-03-31 | 2020-07-10 | 江苏苏云医疗器材有限公司 | Safety blood taking needle and using method thereof |
| CN111420175A (en) * | 2020-05-15 | 2020-07-17 | 谷昌德 | Medical infusion bottle plug |
-
2017
- 2017-08-03 CN CN201720962789.8U patent/CN208541639U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111387995A (en) * | 2020-03-31 | 2020-07-10 | 江苏苏云医疗器材有限公司 | Safety blood taking needle and using method thereof |
| CN111420175A (en) * | 2020-05-15 | 2020-07-17 | 谷昌德 | Medical infusion bottle plug |
| CN111420175B (en) * | 2020-05-15 | 2021-11-02 | 咸宁市中心医院 | Medical infusion bottle plug |
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