CN206365895U - A kind of drop-head type head push type disposable blood taking device - Google Patents
A kind of drop-head type head push type disposable blood taking device Download PDFInfo
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- CN206365895U CN206365895U CN201620993531.XU CN201620993531U CN206365895U CN 206365895 U CN206365895 U CN 206365895U CN 201620993531 U CN201620993531 U CN 201620993531U CN 206365895 U CN206365895 U CN 206365895U
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- closing member
- elastic claw
- nook closing
- head
- hair device
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Abstract
A kind of drop-head type head push type disposable blood taking device, including shell, nook closing member, spring and push away hair device；It is characterized in that：Shoulder block is provided with elastic claw end, push away hair device on to should shoulder block be provided with block, pad is provided with nook closing member sidepiece correspondence elastic claw end, when pressing hemostix head, hair device opposite shell is pushed away to be moved rearwards by, elastic claw is along inclined-plane climbing, inclined-plane forces elastic claw laterally to open simultaneously, nook closing member is launched under the action of the spring after elastic claw is laterally flared to unhook critical point, pad supports elastic claw end to nook closing member in a free state after transmitting, force the shoulder block occupy-place of elastic claw and prevent the block pushed away on hair device from retracting, make to push away hair device external part opposite shell head in indentation state.This programme solve hemostix using occiput not retractable the problem of, user is easily recognized the mode of appearance using front and rear hemostix head.
Description
Technical field
The utility model is related to medical blood taking apparatus field, more particularly to a kind of head push type one for carrying ejection mechanism
The safe hemostix that secondary property is used（Or blood taking needle）.The hemostix has obvious retraction using occiput, to distinguish before use
Head appearance form.
Background technology
In medical blood taking field, disposable blood taking device with its small volume, using safety, it is easy to operate for characteristic deeply cured
Shield personnel and patient welcome, and are largely used in each medical institutions and diabetic at present.This hemostix carries ejection
Mechanism, compact conformation, overall time is used, safe and convenient, therefore with stronger market development potential.
Chinese patent CN2619583Y once announced authorize one it is entitled《Self-locking type disposable safe automatic blood-taking needle》
Utility model patent.The patent gives a kind of representative traditional block type head push type disposable blood taking device.
Its structure comprising shell, end cap, nook closing member, spring, push away hair device and block.In the assembled condition, end cap is provided with a pair of elastic claws,
The elastic claw using grab and chucking power by nook closing member both sides pick up the ears block；Spring top is pressed between end cap and nook closing member；Work as blood sampling
When device head is depressed, pushes away hair device and move rearwardly through inclined-plane and meet two elastic claws head-on and force elastic claw to open, so as to draw
Hairpin core, which breaks off relations and shooting is produced under the promotion of spring, to be punctured.So-called block type refers to that hemostix head uses the structure of block
Form, i.e. block be sleeved in hemostix head, block stretch out a detection bar not only can be for detection nook closing member lock-out state but also can
For protection needle point.
Chinese patent CN205107692U bulletin authorize one it is entitled《Modified Head push type is disposably taken a blood sample
Device》Utility model patent.The accompanying drawing 1 of the patent to accompanying drawing 4 give a kind of representative tradition turn round shape for hat head by
Pressure type disposable blood taking device.Its basic structure and operation principle are similar with above-mentioned Chinese patent CN2619583Y, difference
It is：Hemostix head will first be twisted torsion cap, be made the neck between nook closing member and guard bar using the structure type for turning round cap when using
Fracture, then pulls out guard bar and turns round cap.
The core texture of above-mentioned two classes head push type disposable blood taking device is ejection mechanism, i.e., a pair on end cap
Pick up the ears for a pair on elastic claw, nook closing member, spring and push away the formed ejection mechanism that cooperates between inclined-plane on hair device.This
Ejection mechanism is planted, structure is ripe, distinct characteristics, but from the perspective of user's Consumer's Experience, head is pressed during due to blood sampling
Complete resilience after pressure, therefore still suffer from some shortcomings：First, use front and rear head form from None- identified in appearance；Second,
Resilience completely causes head to have reaction force acts in the finger for just having adopted blood after the pressing of head, does not pause significantly, makes
Bad with feel, Consumer's Experience is not good.
The design of conventional such product is more concern blood sampling effect, and continuous progress and people now with technology
Living standard improve, the theory of such product design is：On the premise of blood sampling effect is ensured, user's body is more paid close attention to
Test, such as, first, use feel；Second, visual experience；3rd user psychology etc..Therefore, how more preferably and effectively to solve
Above mentioned problem is the problem of the utility model research.
The content of the invention
In view of the deficiency that above prior art is present, the utility model provides a kind of drop-head type head push type and disposably adopted
Blood device, its purpose is to solve resilience completely after above-mentioned hemostix head pressing, it is impossible to which the brought None- identified of retraction is used
Fore head mode of appearance and without marked halt using feel it is poor the problem of.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：A kind of drop-head type head push type is disposable
Hemostix, including shell, nook closing member, spring and push away hair device；
Positioning is provided with least two elastic claws in the shell, and all elastic pawl is collectively forming an elastic clip；
The nook closing member is clamped in elastic clip, and spring top is pressed in nook closing member afterbody and acted on the direction of ejection of nook closing member,
Nook closing member clip is lived to be formed before transmitting and locked by elastic clip using the grab and chucking power of each elastic claw end；
The hair device head that pushes away is stretched out from case nose, pushes away hair device body and is slidably connected in shell, pushes away hair device correspondence each
Elastic claw is head-on provided with and forces elastic claw end to the inclined-plane laterally opened；
Its innovation is：The elastic claw end laterally be provided with shoulder block, to should shoulder block push away hair device on be provided with block；
Correspondence elastic claw end is provided with pad in nook closing member sidepiece, and pad is after nook closing member transmitting in support elastic claw end under free state
Position；
Before transmission under lock-out state, when pushing away hair device external part of pressing hemostix head pushes away hair device opposite shell backward
Mobile, elastic claw is along inclined-plane climbing, while inclined-plane forces elastic claw laterally to open, when elastic claw is laterally flared to unhook critical point
Nook closing member is launched under the action of the spring afterwards, and pad supports elastic claw end to nook closing member in a free state after transmitting, forces elastic claw side
To shoulder block occupy-place and prevent to push away the block on hair device and retract, make to push away hair device external part opposite shell head and be in indentation state.
The relevant content and change interpretation of above-mentioned technical proposal are as follows：
1. in such scheme, the basic structure and function and work of " shell ", " nook closing member ", " spring " and " pushing away hair device "
With being prior art.It may refer to the technology contents cited in the utility model background technology.
2. in such scheme, " inclined-plane " includes plane, cambered surface or the conical surface, however, how with respect to hemostix axis
It is obliquely installed, so as to constitute inclined-plane.In other words, inclined-plane has the inclined-plane of the inclined-plane of plane form, concave form（Inclining on inclined-plane
It is made up of on tilted direction multistage straight line, concave surface or convex surface, but essence or inclined-plane is upwardly formed in vertical tilt side）, cone-shaped
The inclined-plane of formula and the inclined-plane of cambered surface form（Inclined-plane is in an inclined direction made up of at least one section concave arc or/and convex arc, but essence is also
It is inclined-plane）Four types.It is any applicable in the utility model, it can specifically be determined according to actual conditions.Wherein,
The first is the inclined-plane of plane form；It is for second the inclined-plane of concave form；The third is the inclined-plane of conical surface form；4th kind is
The inclined-plane of cambered surface form.
3. in such scheme, " preceding " in " front end " refers to needle point direction in hemostix.In " backward "
" rear " refer to the opposite direction of " preceding ".
4. the utility model drop-head type head push type disposable blood taking device includes torsion two kinds of structures of shape for hat and block type.I.e.
The utility model disposable blood taking device normal conditions have a protective cap, and the structure type of protective cap can using turn round shape for hat or
Block type.This, which has no effect on, realizes the utility model purpose.
Design principle of the present utility model and design are：In order that head push type disposable blood taking device sends out device using pusher
External part opposite shell head has obvious retraction effect, and the utility model is provided with shoulder block in elastic claw end, is pushing away hair device
On to should shoulder block be provided with block, be provided with pad in nook closing member sidepiece correspondence elastic claw end, during pressing hemostix head, push away hair device
Opposite shell is moved rearwards by, and elastic claw is along inclined-plane climbing, while inclined-plane forces elastic claw laterally to open, when elastic claw laterally opens
Nook closing member is launched under the action of the spring after to unhook critical point, and pad supports elastic claw end to nook closing member in a free state after transmitting,
Force the shoulder block occupy-place of elastic claw and prevent the block pushed away on hair device from retracting, make to push away hair device external part opposite shell head in contracting
Enter state.
Due to the utilization of above-mentioned technical proposal, the utility model has advantages below and effect compared with prior art：
1. use the complete resilience of occiput because the utility model solves hemostix, it is impossible to the problem of being retracted, therefore can
To allow user easily to recognize using mode of appearance preceding and using rear hemostix head, hence it is evident that improve hemostix product and use
The identification of state.
2. due to the utility model hemostix using pusher hair device external part will not resilience completely, with being significantly retracted,
Therefore user can significantly experience pause in use, and operator can also significantly experience pause, using good hand touch,
Consumer's Experience is good.Meet current hemostix product and focus on setting using Consumer's Experiences such as feel, visual experience and user psychologies
Meter theory.
3. the utility model is simple in construction, it is skillfully constructed, does not increase other structures part, as long as changes to original mould
Enter and can be achieved, almost do not increase cost, therefore there are prominent substantive distinguishing features and significantly enter compared with prior art
Step.
Brief description of the drawings
Fig. 1 is the utility model embodiment drop-head type head push type disposable blood taking device three-dimensional exploded view；
Fig. 2 is the utility model embodiment drop-head type head push type disposable blood taking device stereogram；
Fig. 3 is the utility model embodiment tail-hood stereogram；
Fig. 4 is the partial enlarged drawing in Fig. 3；
Fig. 5 is the utility model embodiment nook closing member stereogram；
Fig. 6 is the partial enlarged drawing in Fig. 5；
Fig. 7 is that the utility model embodiment pushes away hair device stereogram；
Fig. 8 is the partial enlarged drawing in Fig. 7；
Fig. 9 is the utility model embodiment outward appearance front view；
Figure 10 is the initial confined state sectional view of the utility model embodiment；
Figure 11 is that the utility model embodiment removal turns round hat shape state sectional view；
Figure 12 is that the utility model embodiment presses emission state sectional view；
Figure 13 is that the utility model embodiment presses emission state three-dimensional cutaway view；
Figure 14 is that the utility model embodiment presses emission state three-dimensional cutaway view.
Label declaration in the figures above is as follows：
1. shell；2. tail-hood；3. nook closing member；4. spring；5. push away hair device；6. turn round cap；7. elastic claw；8. inclined-plane；9. grab；
10. shoulder block；11. pad；12. pick up the ears；13. breach；14. block；15. ennation.Embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model：
Embodiment：A kind of drop-head type head push type disposable blood taking device
As shown in Fig. 1-Figure 12, the disposable blood taking device by shell 1, tail-hood 2, nook closing member 3, spring 4, push away hair device 5 and turn round cap 6
Composition（See Fig. 1 and Fig. 2）.
In the assembled condition（See Figure 10）, tail-hood 2 covered in the afterbody port of shell 1, and tail-hood 2 stretches out two in shell 1
The elastic claw 7 being arranged symmetrically face-to-face, the two elastic claws 7 are collectively forming an elastic clip.The nook closing member 3 is clamped in elasticity
In folder, the top pressure of spring 4 is in the afterbody of nook closing member 3 and acts on the direction of ejection of nook closing member 3, and elastic clip utilizes each end of elastic claw 7
Grab 9 and chucking power, which live the clip of nook closing member 3 to be formed before transmitting, to be locked.The hair head of device 5 that pushes away is stretched out from the front end of shell 1, pushes away hair
The body of device 5 is slidably connected in shell 1, pushes away each elastic claw 7 of the hair correspondence of device 5 head-on provided with forcing the end of elastic claw 7 to lateral
The inclined-plane 8 opened.Torsion cap 6, which is sleeved on, pushes away hair device 5 head, and the protective case turned round on cap 6 is enclosed on the guard bar on the head of nook closing member 3.
The present embodiment above content is prior art, and innovation of the present utility model is：The side of the end of elastic claw 7
To provided with shoulder block 10（See Fig. 3 and Fig. 4）, to should shoulder block 10 push away hair device 5 on be provided with block 14（See Fig. 7 and Fig. 8）；Correspondence bullet
Property the end of pawl 7 the sidepiece of nook closing member 3 be provided with pad 11（See Fig. 5 and Fig. 6）, pad 11 is under free state after the transmitting of nook closing member 3
Support the position of the end of elastic claw 7.
Before transmission under lock-out state, when pushing away hair 5 external part of device of pressing hemostix head, push away the hair opposite shell 1 of device 5 to
After move, elastic claw 7 climbs along inclined-plane 8, while inclined-plane 8 forces elastic claw 7 laterally to open, when elastic claw 7 be laterally flared to it is de-
Nook closing member 3 is launched under the effect of spring 4 after hook critical point, and the support of pad 11 elastic claw 7 is last in a free state for nook closing member 3 after transmitting
End, forces the occupy-place of shoulder block 10 that elastic claw 7 is lateral and prevents the block 14 pushed away on hair device 5 from retracting, and makes to push away the hair external part of device 5 relative
The head of shell 1 is in indentation state.
In the present embodiment, the shoulder block 10 prevents the acting surface that block 14 sends out the rollback of device 5 with pushing away perpendicular to the side of elastic claw 7
To opening formed plane.
In the present embodiment, the sidepiece of the nook closing member 3 is provided with 12, before transmission under lock-out state, each end of elastic claw 7 of picking up the ears
The grab 9 at end, which is caught on, picks up the ears 12, picks up the ears 12 to be axially located the front of pad 11 in nook closing member 3, pad 11 is small in the width of the radial direction of nook closing member 3
In or equal to pick up the ears 12 the radial direction of nook closing member 3 width.The pad 11 and pick up the ears to be provided with breach 13 between 12, breach 13 is in nook closing member
It is used to accommodate the end of elastic claw 7 in 3 retrogressings, and prevents 3 two lock-out states into before launching of nook closing member.
In the present embodiment, the hair device 5 that pushes away is provided with ennation 15, and the block 14 is located on ennation 15.
Action process is as follows when the present embodiment is used：
（1）Initial confined state
As shown in Figure 10, whole hemostix by shell 1, tail-hood 2, nook closing member 3, spring 4, push away hair device 5 and turn round cap 6 constitute, its
In, spring 4 is in preloading condition, and nook closing member 3 is in lock-out state before transmitting, and hemostix, which is provided with, turns round cap 6（Protective cap）.
（2）Removal turns round hat shape state
As shown in figure 11, a hand grips hemostix shell 1, and another hand is reversed and dialled except torsion cap 6.
（3）Press emission state
As shown in Figure 12, Figure 13 and Figure 14, hemostix head is pushed away into the external part alignment blood sampling site pressing of hair device 5, pushed away
The hair opposite shell 1 of device 5 is moved rearwards by, and elastic claw 7 climbs along inclined-plane 8, while inclined-plane 8 forces elastic claw 7 laterally to open, works as elasticity
Pawl 7 is laterally flared to after unhook critical point nook closing member 3 and launched under the effect of spring 4, pad 11 in a free state of nook closing member 3 after transmitting
The end of elastic claw 7 is supported, the block 14 for forcing the occupy-place of shoulder block 10 and prevention that elastic claw 7 is lateral to push away on hair device 5 retracts, and makes to push away hair
The head of 5 external part opposite shell of device 1 is in indentation state.
It is explained as follows below for other performances of the present utility model and change：
1. what although above example provided is to turn round shape for hat head push type disposable blood taking device, the utility model not office
It is limited to this, is also applied for block type head push type disposable blood taking device.Torsion cap and block are two kinds of shapes of hemostix protective cap
Formula, but both forms are unrelated with innovative point of the present utility model, and this is skilled artisans appreciate that and cognitive feelings
Condition.
2. an elastic clip in the embodiment above, being collectively forming by two elastic claws 7 is prolonged from the inner face of tail-hood 2
The extended structure of stretching.But the utility model is not limited to this, elastic clip can directly be extended by shell 1 and be formed.Such as will be outer
Shell 1 be designed to above and below two halves be put together, per an elastic claw is extended in casing half, when latter two bullet of shell two halves split
The elastic clip that property pawl is collectively forming.At this point it is possible to tail-hood 2 be saved, in the shell for being merged into two half moulves simultaneously.So,
Extension on tail-hood 2 and tail-hood 2 necessary condition is not written as provided with elastic claw structure in claim 1, this is this area
Technical staff is it will be appreciated that and cognitive situation.
3. in the embodiment above, elastic clip is arranged symmetrically and is collectively forming face-to-face by two elastic claws.But this practicality
The new quantitative aspects in elastic claw is not limited to two, can include more than two situations, such as three, four, five
Individual etc., these elastic claws can be arranged around nook closing member can similarly reach the purpose of this utility model, realize identical
Technique effect.This be skilled addressee readily understands that situation of change.
Above-described embodiment is only to illustrate technical concepts and features of the present utility model, and its object is to allow be familiar with technique
Personage can understand content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this.
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover protection domain of the present utility model it
It is interior.
Claims (5)
1. a kind of drop-head type head push type disposable blood taking device, including shell（1）, nook closing member（3）, spring（4）And push away hair device
（5）；
The shell（1）Interior positioning is provided with least two elastic claws（7）, all elastic pawl（7）It is collectively forming an elastic clip；
The nook closing member（3）It is clamped in elastic clip, spring（4）Top pressure is in nook closing member（3）Afterbody simultaneously acts on nook closing member（3）Ejection
On direction, elastic clip utilizes each elastic claw（7）The grab of end（9）With chucking power by nook closing member（3）Clip, which is lived to be formed before transmitting, to be locked
It is fixed；
It is described to push away hair device（5）Head is from shell（1）Front end is stretched out, and pushes away hair device（5）Body is slidably connected at shell（1）In, push away hair
Device（5）Each elastic claw of correspondence（7）Head-on it is provided with and forces elastic claw（7）End is to the inclined-plane laterally opened（8）；
It is characterized in that：The elastic claw（7）The lateral of end is provided with shoulder block（10）, to should shoulder block（10）Pushing away hair device（5）
It is provided with block（14）；Correspondence elastic claw（7）End is in nook closing member（3）Sidepiece is provided with pad（11）, pad（11）In nook closing member（3）Hair
Penetrate under rear free state in support elastic claw（7）The position of end；
Before transmission under lock-out state, press hemostix head pushes away hair device（5）During external part, hair device is pushed away（5）Opposite shell（1）
It is moved rearwards by, elastic claw（7）Along inclined-plane（8）Climb, while inclined-plane（8）Force elastic claw（7）Laterally open, work as elastic claw（7）
Laterally it is flared to nook closing member after unhook critical point（3）In spring（4）Effect is lower to launch, nook closing member after transmitting（3）Pad in a free state
Platform（11）Support elastic claw（7）End, forces elastic claw（7）Lateral shoulder block（10）Occupy-place simultaneously prevents to push away hair device（5）On gear
Block（14）Retract, make to push away hair device（5）External part opposite shell（1）Head is in indentation state.
2. hemostix according to claim 1, it is characterised in that：The shoulder block（10）Prevent block（14）With pushing away hair device
（5）The acting surface of rollback is perpendicular to elastic claw（7）Laterally open formed plane.
3. hemostix according to claim 1, it is characterised in that：The nook closing member（3）Sidepiece provided with picking up the ears（12）, in hair
Before penetrating under lock-out state, each elastic claw（7）The grab of end（9）Catch on and pick up the ears（12）, pick up the ears（12）In nook closing member（3）It is axially located
Pad（11）Front, pad（11）In nook closing member（3）The width of radial direction, which is less than or equal to, picks up the ears（12）In nook closing member（3）The width of radial direction
Degree.
4. hemostix according to claim 3, it is characterised in that：The pad（11）With picking up the ears（12）Between be provided with breach
（13）, breach（13）In nook closing member（3）It is used to accommodate elastic claw in retrogressing（7）End, and prevent nook closing member（3）It is secondary to enter before transmitting
Lock-out state.
5. hemostix according to claim 1, it is characterised in that：It is described to push away hair device（5）It is provided with ennation（15）, it is described
Block（14）It is located at ennation（15）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620993531.XU CN206365895U (en) | 2016-08-30 | 2016-08-30 | A kind of drop-head type head push type disposable blood taking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620993531.XU CN206365895U (en) | 2016-08-30 | 2016-08-30 | A kind of drop-head type head push type disposable blood taking device |
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| Publication Number | Publication Date |
|---|---|
| CN206365895U true CN206365895U (en) | 2017-08-01 |
Family
ID=59389441
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620993531.XU Withdrawn - After Issue CN206365895U (en) | 2016-08-30 | 2016-08-30 | A kind of drop-head type head push type disposable blood taking device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106175796A (en) * | 2016-08-30 | 2016-12-07 | 苏州施莱医疗器械有限公司 | A kind of drop-head type head pressing type disposable blood taking device |
-
2016
- 2016-08-30 CN CN201620993531.XU patent/CN206365895U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106175796A (en) * | 2016-08-30 | 2016-12-07 | 苏州施莱医疗器械有限公司 | A kind of drop-head type head pressing type disposable blood taking device |
| CN106175796B (en) * | 2016-08-30 | 2023-03-14 | 苏州施莱医疗器械有限公司 | Head-shrinking type head pressing type disposable hemostix |
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