CN207734167U - Press-type disposable blood taking device with spring correcting structure - Google Patents
Press-type disposable blood taking device with spring correcting structure Download PDFInfo
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- CN207734167U CN207734167U CN201720589947.XU CN201720589947U CN207734167U CN 207734167 U CN207734167 U CN 207734167U CN 201720589947 U CN201720589947 U CN 201720589947U CN 207734167 U CN207734167 U CN 207734167U
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- push away
- hair device
- spring
- away hair
- correcting
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Abstract
A kind of press-type disposable blood taking device with spring correcting structure, including shell, needle core, spring and push away hair device；It is characterized in that：It is equipped with correcting structure in spring outwards, makes the resilient force of spring on the direction of ejection of needle core；Locking mechanism is cooperatively formed by the elastic clip set by push away hair device tail portion with needle core；Unlocking mechanism is cooperatively formed with elastic clip end by unlocking inclined-plane by correcting structure front；It is pressed when use, push away hair device moves backward inside the shell, and correcting structure front forces elastic clip end laterally to be opened in the case where unlocking ramp effect, and needle core emits puncture under the action of the spring after grab is detached from locking critical point.This programme associates spring correcting structure with unlocking mechanism, and a structure is cleverly utilized to generate two kinds of effects, realizes correcting and unlock double effects, had both reduced needle point shake, and had in turn simplified structure, reduce cost.
Description
Technical field
The utility model is related to medical blood taking instrument field, more particularly to a kind of included ejection mechanism and with spring correcting knot
The disposable safe hemostix of the press-type of structure（Or blood taking needle）.The feature of this hemostix maximum is can to reduce needle
Point shake, reduces feeling of pain, gives painless or hypodynia feeling.
Background technology
In medical blood taking field, disposable blood taking device is small with its, safe to use, easy to operate to be cured deeply for characteristic
Shield personnel and patient welcome, and are largely used in each medical institutions and diabetic at present.The included ejection of this hemostix
Mechanism, compact-sized, overall time uses, safe and convenient, therefore has stronger market development potential.
With the development in market, the type and form of disposable medical hemostix product are varied at present, but from product
From the point of view of design angle, a kind of most important condition of hemostix product quality is weighed, the shooting puncture resistance of its blood taking needle should be investigated,
In, the size that needle point is shaken when puncturing human skin is important one of index, it is not only related to the blood sampling effect of needle point,
More importantly directly affect the feeling of pain of puncture.Especially today's society, hemostix safety in use and user's body
Test the element for having gone up and considering for emphasis in product design.For hemostix product prevents needle point from shaking, theoretically see, shadow
There are many factor for ringing needle point shake, such as needle core shooting guide frame, needle core locking structure, needle core trigger architecture, spring performance
Etc..However it is at most oriented to the shooting of needle core to consider in previous existing design, that is, is used and opened up guide chute
Mode guide needle core to shoot, to reduce shake when needle point punctures, and have ignored the influence of other factors.
On the other hand, it is received by the market and ripe hemostix product will not only have good puncture as a kind of
Shooting performance and reliability, at the same also to have it is simple in structure, be convenient for industrialized mass production, the low feature of manufacturing cost.
Therefore, in prior art basis, needle point shake how is reduced, user experience is fully considered, while simplifying structure design, reduces
Manufacturing cost is Medical blood collecting device product developing direction from now on and the dual problem that those skilled in the art face.
Invention content
In view of the above problem of the existing technology, the utility model provides a kind of press-type one with spring correcting structure
Secondary property hemostix, the first purpose are to solve the problems, such as stabilization when above-mentioned hemostix needle point punctures, and the second purpose is to solve
The problem of simplifying structure, reducing cost.
In order to achieve the above objectives, the technical solution adopted in the utility model is：A kind of press-type with spring correcting structure
Disposable blood taking device, including shell, needle core, spring and push away hair device.
The shell forms an ejection chamber, and by locking mechanism position and lock in ejection chamber, spring at front end acts on needle core
Ejection guide frame is equipped on needle core, between needle core and shell or push away hair device.
The push away hair device head is stretched out from case nose and as blood sampling triggering end, and push away hair device body is slidably connected at shell
In, push away hair device tail portion cooperatively forms unlocking mechanism with locking mechanism, and head press-type emitting structural is formed with this.
Its innovation is：It is equipped with the correcting structure for righting for the spring, which is located in shell, and
And the periphery for being arranged in spring is circumferential；The correcting structure is made of at least three correcting items, or by least two correcting pieces
It constitutes, it is circumferential in the periphery of spring either to constitute pilot or all correcting items or all correcting pieces by a pilot
The correcting channel of a restricted spring is arranged and formed around spring, and spring is located in the correcting channel, makes the elastic force of spring
It acts on the direction of ejection of needle core, spring rear end acts on the end cap of correcting structure or shell.
The locking mechanism is cooperatively formed by push away hair device and needle core, wherein and push away hair device tail portion is equipped at least one elastic arm,
Elastic arm is equipped with grab or the end face for being used for locking needle core, and an elastic clip or elastic arm is collectively formed in all elastic arm
An elastic clip, the clamped positioning of needle core are cooperatively formed with one of outer casing inner wall, push away hair device inner wall and correcting structure inner wall
It is locked in elastic clip, the locking mechanism is formed with this.
The unlocking mechanism is cooperatively formed by correcting structure and push away hair device, wherein after correcting structure forward face is to elastic arm
Portion is arranged, and in both correcting structure front and elastic arm rear portion, at least one is equipped with unlock inclined-plane.
In a state of use, when push away hair device head is pressed, push away hair device moves backward inside the shell, before correcting structure
Elastic arm rear portion is met in portion head-on, and forces elastic arm end laterally to be opened under the action of unlocking inclined-plane, when the grab on elastic arm
Or end face is detached from needle core after locking critical point and emits puncture under the action of the spring.
The related content and change interpretation of above-mentioned technical proposal are as follows：
1. in said program, " shell ", " needle core ", " spring " and " push away hair device " is that head press-type is disposably taken a blood sample
The basic structure of device, basic function and effect are the prior art.
2. in said program, " preceding " in " front end " and " front " refers to needle point direction in hemostix.It is described
" rear " in " rear end " and " rear portion " refers to the negative direction of " preceding "." the push away hair device head " refers to push away hair device end facing forward,
And " the push away hair device tail portion " refers to the end of push away hair device backwards.
3. in said program, " locking mechanism " refers to the knot that hemostix is used for locking needle core under state before transmission
Structure." unlocking mechanism " refers to the structure that hemostix is used for triggering needle core ejection in a state of use.
4. in said program, how " inclined-plane " in " the unlock inclined-plane " includes plane, cambered surface or the conical surface, however,
Opposite hemostix axis is obliquely installed, to constitute inclined-plane.In other words, inclined-plane has inclined-plane, the concave form of plane form
Inclined-plane（Inclined-plane is in an inclined direction made of multistage straight line, is upwardly formed concave surface or convex surface in vertical tilt side, but essence is also
It is inclined-plane）, conical surface form inclined-plane and cambered surface form inclined-plane（Inclined-plane is in an inclined direction by least one section of concave arc or/and convex
Arc is constituted, but essence or inclined-plane）Four types.Any type is applicable in the present invention, specifically can be according to reality
Situation determines.Wherein, the first be plane form inclined-plane；It is for second the inclined-plane of concave form；The third is cone-shaped
The inclined-plane of formula；4th kind be cambered surface form inclined-plane.
5. the utility model press-type disposable blood taking device includes to turn round two kinds of structures of shape for hat and block type.That is the utility model
Disposable blood taking device normal conditions have protective cap, and the structure type of protective cap may be used and turn round shape for hat or block type.This
Have no effect on realization the object of the invention.
The design principle of the utility model and design are：In order to reduce needle point shake and simplify structure, cost is reduced, originally
Utility model uses following technical measures：First, it is provided with a correcting structure for being used for restricted spring in spring outwards, is led to
Correcting effect of the spring under assembly, transmitting and retracted state can be ensured by crossing correcting structure；Second, correcting structure is specifically by extremely
Few three correcting items are constituted, and are either made of at least two correcting pieces or are made of a pilot, and these structures have
Conducive to simplified structure and reduce cost；Third is set by locking mechanism design between push away hair device and needle core in push away hair device tail portion
An elastic clip is set, locking needle core is clamped using this elastic clip；4th, cleverly utilize correcting structure front and elastic clip
The movement and cooperation of end help to realize that needle core unlocks on unlock inclined-plane, i.e., cleverly by spring correcting structure and solution lock machine
Structure associates, and generates two effects using a structure, realizes correcting and unlock double effects.
Due to the application of the above technical scheme, the utility model has the following advantages and effect compared with prior art：
1. the utility model is after spring outwards increase correcting structure, to reducing needle point shake, reduces and puncture feeling of pain tool
There is remarkable result.Research find to cause the factor of pain in addition to needle point deflection and other than, the needle point shake mainly in transmission path
（Or it rocks）.In previous existing design, in order to reduce shake of the needle point when puncturing, only with the mode for opening up guide chute
It guides needle core to shoot, and has ignored spring and have an effect not positive influence.Spring is the dynamical element of needle core transmitting in hemostix,
If spring torsional deformation in the case where compressing assembled state, spring when transmitting can be caused to have an effect not just, when directly affecting puncture
Needle point shakes size and verticality.Cause spring have an effect not positive factor mainly have it is following two：First is, spring-compressed installation
Under state, distortion is laterally heaved at middle part；Second is, spring installation positioning is inaccurate.The utility model is by correcting structure to bullet
Spring assembles posture and stress is corrected, and is led so as to ensure that spring is in always in transmitting, retraction and resonant process
Positive status.
2. the utility model after spring outwards increase correcting structure, can greatly improve spring assembly posture and stress
Consistency.
3. the utility model cleverly utilizes the movement of correcting structure front and elastic clip end and cooperation unlocking inclined-plane
It helps to realize that needle core unlocks, i.e., spring correcting structure is associated with unlocking mechanism, cleverly a structure is utilized to produce
Raw two kinds of effects, realize correcting and unlock double effects.
4. the utility model correcting structure and correcting structure front coordinate with elastic clip end and the unlocking mechanism of formation,
Both needle point shake had been reduced, and had in turn simplified structure, reduce cost.
5. the utility model, which overcomes the previous prior art, only considers needle core slide-and-guide, and ignores spring as power member
The influence that part shakes needle point.Needle point shake can be reduced by correcting structure, feeling of pain is reduced, gives painless or hypodynia
Feel, therefore there is substantive distinguishing features outstanding and significant progress.
Description of the drawings
Fig. 1 is 1 stereogram of the utility model embodiment；
Fig. 2 is 1 stereogram exploded view of the utility model embodiment；
Fig. 3 is 1 needle core of the utility model embodiment and torsion cap stereogram；
Fig. 4 is the partial enlarged view of Fig. 3；
Fig. 5 is 1 push away hair device stereogram of the utility model embodiment；
Fig. 6 is the three-dimensional cutaway view of 1 shell of the utility model embodiment；
Fig. 7 is 1 three-dimensional cutaway view of the utility model embodiment；
Fig. 8 is 1 initial assembled state sectional view of the utility model embodiment；
Fig. 9 is pressing push away hair device state sectional view after 1 removal needle cap of the utility model embodiment；
Figure 10 is 1 needle core unhook state sectional view of the utility model embodiment；
Figure 11 is the first change programme stereogram of correcting structure in the utility model embodiment 1；
Figure 12 is second of change programme stereogram of correcting structure in the utility model embodiment 1；
Figure 13 is end cap and the change programme stereogram exploded view that shell is discrete component in the utility model embodiment 1；
Figure 14 is stereogram of the discrete component end cap with correcting piece in the utility model embodiment 1；
Figure 15 is stereogram of the discrete component end cap with pilot in the utility model embodiment 1；
Figure 16 is that the initial assembled state sectional view after shoulder block is omitted in the utility model embodiment 1；
Figure 17 is state sectional view after the transmitting after omission shoulder block in the utility model embodiment 1；
Figure 18 is 2 stereogram of the utility model embodiment；
Figure 19 is 2 stereogram exploded view of the utility model embodiment；
Figure 20 is 2 initial assembled state sectional view of the utility model embodiment；
Figure 21 is pressing push away hair device state sectional view after 2 removal needle cap of the utility model embodiment；
Figure 22 is state sectional view before 2 needle core of the utility model embodiment breaks off relations；
Figure 23 is stereogram of 2 shell of the utility model embodiment with correcting item；
Figure 24 is stereogram of 2 shell of the utility model embodiment with correcting piece；
Figure 25 is stereogram of 2 shell of the utility model embodiment with pilot；
Figure 26 is state sectional view before 3 needle core of the utility model embodiment breaks off relations；
Figure 27 is state sectional view before 4 needle core of the utility model embodiment breaks off relations；
Figure 28 is state sectional view before 5 needle core of the utility model embodiment breaks off relations；
Figure 29 is the utility model embodiment 6 with the hemostix stereogram for adjusting header structure；
Figure 30 is the utility model embodiment 6 with the hemostix stereogram exploded view for adjusting header structure.
Label declaration in the figures above is as follows：
1. shell；2. needle core；3. spring；4. push away hair device；5. elastic arm；6. grab；7. contractible neck；8. snap-latch surface；9. going out
Pin hole；10. unlocking inclined-plane；11. turning round cap；12. hook；13. shoulder block；14. inner face；15. torsional part；16. guard bar；17. leading
Positive item；18. correcting piece；19. pilot；20. adjusting head；21. end cap；22. initial hook；23. triggering hook；24. hook side；
25. end face.
Specific implementation mode
The utility model is further described with reference to the accompanying drawings and embodiments：
Embodiment 1：A kind of press-type disposable blood taking device with spring correcting structure（Turn round shape for hat）
As shown in Fig. 1-Figure 10, which is made of shell 1, torsion cap 11, needle core 2, spring 3 and push away hair device 4
（See Fig. 1 and Fig. 2）.
The shell 1 formed an ejection chamber, needle core 2 by locking mechanism position and lock in ejection chamber, 3 front end top pressure of spring
Ejection guide frame is equipped on needle core 2, between needle core 2 and push away hair device 4（End is shown in figure）, which is specially
Sliding slot, for being oriented to.
The torsion cap 11 is located at 2 front of needle core, and links into an integrated entity injection molding structure with needle core 2（See Fig. 3 and Fig. 4）,
It may be regarded as a component.Torsion cap 11, which is fixedly connected by torsional part 15 with guard bar 16, to be constituted（See Fig. 3）, guard bar 16 and needle core 2
Between be provided with the contractible neck 7 that can be twisted off.Draw point is equipped in needle core 2, guard bar 16 is sleeved on the needle point of draw point, for protecting
Draw point.It dials except the needle point of draw point after torsion cap 11 exposes in 2 front end of needle core, is used for puncture blood collecting.4 head of the push away hair device is equipped with out
Pin hole 9（See Fig. 5）, the maximum outside diameter of the torsional part 15 is more than the maximum diameter of hole of needle outlet 9, and 2 energy of guard bar 16 and needle core
It is enough to penetrate assembly from 9 front end of needle outlet.
4 head of the push away hair device is stretched out from 1 front end of shell and as blood sampling triggering end, and 4 body of push away hair device is slidably connected at
In shell 1,4 tail portion of push away hair device cooperatively forms unlocking mechanism with locking mechanism, and head press-type emitting structural is formed with this.
The utility model is equipped with the correcting structure for righting for spring 3, which is located in shell 1, and
The periphery for being arranged in spring 3 is circumferential.The correcting structure is made of at least three correcting items 17, in the present embodiment, correcting knot
Structure is actually made of four correcting items 17（See Fig. 6）, certain five or six roots of sensation correcting item 17 it is also possible, people in the art
Member is readily appreciated that.All correcting items 17 are arranged circumferentially around spring 3 in the periphery of spring 3 and form leading for a restricted spring 3
Positive channel, spring 3 are located in the correcting channel, make the resilient force of spring 3 on the direction of ejection of needle core 2.The correcting
Structure is the structure extended from the end cap of shell 1（See Fig. 6）.3 rear end of the spring acts on the end cap of shell 1.
The locking mechanism is cooperatively formed by push away hair device 4 and needle core 2, wherein 4 tail portion of push away hair device is set there are two elastic arm 5
（See Fig. 5）, elastic arm 5 is equipped with the grab 6 for being used for locking needle core 2, and the corresponding grab 6 is on needle core 2 equipped with snap-latch surface 8
（See Fig. 3 and Fig. 4）, which coordinates with grab 6 is used for locking needle core 2（See Fig. 8）, the locking mechanism is formed with this.
The unlocking mechanism is cooperatively formed by correcting structure and push away hair device 4, wherein correcting structure forward face is to elastic arm 5
Rear portion is arranged, and in both 5 rear portions of correcting structure front and elastic arm, at least one is equipped with unlock inclined-plane 10.In this reality
It applies in example, unlock inclined-plane 10 is located at correcting structure front, i.e. 17 front end of correcting item（See Fig. 6-10）.Certainly, if will unlock oblique
Face 10 is located at 5 rear end of elastic arm, or it is also feasible that unlock inclined-plane 10 is arranged simultaneously in correcting structure front end and 5 rear end of elastic arm
's.
4 side of the push away hair device is equipped with hook 12 and shoulder block 13（See Fig. 5）, the corresponding hook 12 and shoulder block 13 are in shell 1
Inner wall is equipped with inner face 14（See Fig. 8）, before transmission under assembled state, the hook 12 in push away hair device 4 coordinates with inner face 14
The first limit is formed, to prevent 4 opposite shell 1 of push away hair device from moving forward.
Action process is as follows when the present embodiment uses：
（1）Initial assembled state
As shown in Figure 7 and Figure 8, entire hemostix is made of shell 1, torsion cap 11, needle core 2, spring 3 and push away hair device 4,
In, spring 3 is in preloading condition, and before transmission under assembled state, an elastic clip is collectively formed in all elastic arm 5, and needle core 2 is logical
It crosses snap-latch surface 8 and is clamped position and lock in elastic clip, wherein the grab 6 on elastic arm 5 is matched with the snap-latch surface 8 on needle core 2
It closes, needle core 2 is made to be in the lock state.The rear end of the elastic arm 5 is arranged in unlock 10 front of inclined-plane（17 front end of correcting item）.It pushes away
Hook 12 on hair device 4 cooperatively forms the first limit with inner face 14, to prevent 4 opposite shell 1 of push away hair device from moving forward.
（2）Push away hair device state is pressed after removal needle cap
As shown in figure 9, a hand holds hemostix shell 1, another hand is reversed and is dialled except torsion cap 11.Then, it holds outer
Shell 1 presses hemostix head alignment blood sampling site, and when 4 head of push away hair device is pressed, 4 opposite shell 1 of push away hair device is backward
It is mobile.
（3）Needle core unhook state
As shown in Figure 10, as push away hair device 4 persistently moves backward, correcting structure（That is correcting item 17）Meet elastic arm head-on in front
5 rear portions, and force 5 end of elastic arm laterally to be opened under the action of unlocking inclined-plane 10, when the grab 6 on elastic arm 5 is detached from lock
Determine needle core 2 after critical point and issue in the effect of spring 3 to be shot through thorn.
（4）State after transmitting
After transmitting under state（End provides diagram）, the shoulder block 13 in push away hair device 4 cooperatively forms the second limit with inner face 14
Position makes 4 head opposite shell of push away hair device, 1 head be in concordant or indentation state to prevent 4 opposite shell 1 of push away hair device from retracting.
It is explained as follows below for the possible variation of embodiment 1：
1. above example 1 is although what is provided is to turn round shape for hat head press-type disposable blood taking device, the utility model is not
It is confined to this, is also applied for block type head press-type disposable blood taking device.Torsion cap and block are two kinds of hemostix protective cap
Form, but both forms are unrelated with the innovative point of the utility model, and this is skilled artisans appreciate that and cognition
Situation.
2. in above example 1,4 tail portion of the push away hair device sets that there are two elastic arms 5（See Fig. 5）, two 5 structures of elastic arm
At an elastic clip, for locking needle core 2 to be clamped.But the utility model is not limited to this, constitutes elastic clip from 5 quantity of elastic arm
On from the point of view of can be two, three, four, five, six etc..This is the feelings skilled artisans appreciate that with cognition
Condition.
3. in above example 1, from figure 5 it can be seen that the elastic arm 5 is straight-arm shape structure.But this practicality is new
Type is not limited to this, and the elastic arm 5 can also be crank arm type structure or folding arm shape structure.This is people in the art
Member on the basis of embodiment 1 it will be appreciated that and cognition the case where.
4. in above example 1, spring 3 is an independent hardware, can also spring 3 be designed as plastics bullet
Spring, and made integrally with needle core 2.Skilled addressee readily understands that such situation of change.
5. being equipped with ejection guide frame in above example 1, between needle core 2 and push away hair device 4（Sliding slot）.But this practicality is new
Type is not limited to this, can also will launch guide frame（Sliding slot）It is located between needle core 2 and shell 1, this is people in the art
Member it will be appreciated that and cognition the case where.
6. in above example 1, the correcting structure is made of four correcting items 17（See Fig. 6）.But the utility model
Not limited to this, the correcting structure can also be made of at least two correcting pieces 18（See Figure 11）, or by a pilot
19 are constituted（See Figure 12）.This is the case where those skilled in the art are readily appreciated that and recognize on the basis of embodiment 1.
7. in above example 1, the correcting structure is the structure extended from the end cap of shell 1.But this practicality
Novel not limited to this, the correcting structure can also be the structure extended from the inner wall of shell 1, can also be from shell
The structure extended simultaneously on 1 end cap and inner wall.This be skilled artisans appreciate that and cognition the case where.
8. in above example 1,3 rear end of the spring acts on the end cap of shell 1.But the utility model does not limit to
In this, 3 rear end of the spring can also act on correcting structure.This is the feelings skilled artisans appreciate that with cognition
Condition.
9. in above example 1, end cap is the part in shell 1, and end cap is integrated injection molding with shell 1
Structure is considered a component.But the utility model is not limited to this, if it is considered that easy to process can be by end cap and shell
Separately carry out machine-shaping as two components（See Figure 13）.This be those skilled in the art on the basis of embodiment 1 it will be appreciated that
The case where with cognition.It is led in fig. 13 with four correcting items 17 in embodiment 1, this four compositions of correcting item 17 on end cap 21
Positive structure.Correcting structure on end cap 21 can also be changed to two correcting pieces 18（See Figure 14）An or pilot 19（See
Figure 15）.This be also skilled artisans appreciate that and cognition the case where.
10. in above example 1, the shoulder block 13 can be omitted, and can also make hemostix after transmitting under state, push away hair
4 head opposite shell of device, 1 head is in concordant or indentation state.As shown in Figure 16 and Figure 17, wherein Figure 16 is to be saved in embodiment 1
Initial assembled state sectional view slightly after shoulder block, Figure 17 are state sectional view after the transmitting after omission shoulder block in embodiment 1.From figure
As can be seen that the shoulder block 13 in embodiment 1 is omitted in 16, the hook 12 in push away hair device 4 and inner end under initial assembled state
Face 14 cooperatively forms the first limit, to prevent 4 opposite shell 1 of push away hair device from moving forward.As can be seen from Figure 17, correcting item 17
The unlock inclined-plane 10 of front withstands 5 middle part of elastic arm, and 5 end of elastic arm is withstood on 1 inner wall of shell, makes push away hair device 4 in shell 1
Interior is in clamping positioning states, and 4 head opposite shell of push away hair device, 1 head is in concordant or indentation state, push away hair device 4 in this state
Opposite shell 1 cannot retract.
11. in above example 1,3 front end top pressure of spring is on needle core 2, if 2 tail portion of needle core is socketed a part
Or make seperated needle core, this part again with 3 top pressure of spring, and skilled artisans appreciate that and cognition feelings
Condition also belongs to the scope of protection of the utility model.The essence of the utility model here is that 3 front end of spring acts on needle core 2,
Wherein, there are directly effect and two kinds of situations of indirectly-acting.Situation described above belongs to the connotation of indirectly-acting.
Embodiment 2：A kind of press-type disposable blood taking device with spring correcting structure（Turn round shape for hat, push away hair device and shell it
Between position limiting structure it is different from embodiment 1）
As shown in Figure 18-Figure 22, which is made of shell 1, torsion cap 11, needle core 2, spring 3 and push away hair device 4
（See Figure 18 and Figure 19）.
The present embodiment 2 and embodiment 1 difference lies in：Used in embodiment 2 initial hook 22 and triggering hook 23 with
Fit structure of the fit structure of hook side 24 instead of hook 12 and shoulder block 13 and inner face 14 in embodiment 1.Embodiment 2
Concrete structure is：4 tail portion of the push away hair device is equipped with initial hook 22 and triggering hook 23（See Figure 19）, the corresponding initial hook 22
Hook side 24 is equipped on correcting structure with triggering hook 23（See Figure 18）.It is initial in push away hair device 4 before transmission under assembled state
Hook 22 cooperatively forms the first limit with hook side 24（See Figure 20）, to prevent 4 opposite shell 1 of push away hair device from moving forward.Emitting
Afterwards under state, the triggering hook 23 in push away hair device 4 cooperatively forms the second limit with hook side 24（See Figure 21 and Figure 22）, to prevent to push away
It sends out 4 opposite shell 1 of device to retract, 4 head opposite shell of push away hair device, 1 head is made to be in concordant or indentation state.
Figure 23, Figure 24 and Figure 25 indicate three kinds of various forms of correcting structures in the present embodiment 2 respectively, wherein Figure 23
The correcting structure of expression is four correcting items 17, and the outside of correcting item 17 is equipped with hook side 24；The correcting structure that Figure 24 is indicated is two
The outside of a correcting piece 18, correcting piece 18 is equipped with hook side 24；The correcting structure that Figure 25 is indicated is a pilot 19, pilot 19
Outside be equipped with hook side 24.
Other contents are same as Example 1, and description is not repeated herein.
It is suitable for the present embodiment 2 in relation to 1 possible all changes of embodiment above, is also not repeated to describe here.
Embodiment 3：A kind of press-type disposable blood taking device with spring correcting structure（Turn round shape for hat, push away hair device and needle core it
Between locking mechanism it is different from embodiment 1）
As shown in figure 26, which is made of shell 1, torsion cap 11, needle core 2, spring 3 and push away hair device 4.
The present embodiment 3 and embodiment 1 difference lies in：Locking mechanism between push away hair device 4 and needle core 2 is different.Embodiment 1
It is：4 tail portion of push away hair device is set there are two elastic arm 5（See Fig. 5）, elastic arm 5 is equipped with the grab 6 for being used for locking needle core 2, corresponding institute
It states grab 6 and is equipped with snap-latch surface 8 on needle core 2（See Fig. 3 and Fig. 4）, an elastic clip, 2 quilt of needle core is collectively formed in two elastic arms 5
Clamping position is locked in elastic clip, which is used for locking needle core 2 with the cooperation of grab 6（See Fig. 8）, formed with this described
Locking mechanism.Embodiment 3 is：As shown in figure 26,4 tail portion of push away hair device is set there are one elastic arm 5, and elastic arm 5, which is equipped with, to be used for locking
Determine the end face 25 of needle core 2, elastic arm 5 cooperatively forms an elastic clip with 1 inner wall of shell, and needle core 2 is clamped position and lock in bullet
Property folder in, the locking mechanism is formed with this.It can be seen that elastic clip can be not only made of at least two elastic arms 5, also may be used
To be cooperatively formed by least one elastic arm 5 and 1 inner wall of shell.
Other contents are same as Example 1, and description is not repeated herein.
It is suitable for the present embodiment 3 in relation to 1 possible all changes of embodiment above, is also not repeated to describe here.
Embodiment 4：A kind of press-type disposable blood taking device with spring correcting structure（Turn round shape for hat, push away hair device and needle core it
Between locking mechanism it is different from embodiment 1）
As shown in figure 27, which is made of shell 1, torsion cap 11, needle core 2, spring 3 and push away hair device 4.
The present embodiment 4 and embodiment 1 difference lies in：Locking mechanism between push away hair device 4 and needle core 2 is different.Embodiment 4
It is：As shown in figure 27,4 tail portion of push away hair device is set there are one elastic arm 5, and elastic arm 5 is equipped with the end face 25 for being used for locking needle core 2,
Elastic arm 5 cooperatively forms an elastic clip with 17 inner wall of correcting item, and needle core 2 is clamped position and lock in elastic clip, with this shape
At the locking mechanism.It can be seen that elastic clip can be not only made of at least two elastic arms 5, it can also be by least one
Elastic arm 5 is cooperatively formed with 17 inner wall of correcting item.
Other contents are same as Example 1, and description is not repeated herein.
It is suitable for the present embodiment 4 in relation to 1 possible all changes of embodiment above, is also not repeated to describe here.
Embodiment 5：A kind of press-type disposable blood taking device with spring correcting structure（Turn round shape for hat, push away hair device and needle core it
Between locking mechanism it is different from embodiment 1）
As shown in figure 28, which is made of shell 1, torsion cap 11, needle core 2, spring 3 and push away hair device 4.
The present embodiment 5 and embodiment 1 difference lies in：Locking mechanism between push away hair device 4 and needle core 2 is different.Embodiment 5
It is：As shown in figure 28,4 tail portion of push away hair device is set there are one elastic arm 5, and elastic arm 5 is equipped with the end face 25 for being used for locking needle core 2,
Elastic arm 5 cooperatively forms an elastic clip with 4 inner wall of push away hair device, and needle core 2 is clamped position and lock in elastic clip, is formed with this
The locking mechanism.It can be seen that elastic clip can be not only made of at least two elastic arms 5, it can also be by least one bullet
Property arm 5 is cooperatively formed with 4 inner wall of push away hair device.
Other contents are same as Example 1, and description is not repeated herein.
It is suitable for the present embodiment 5 in relation to 1 possible all changes of embodiment above, is also not repeated to describe here.
Embodiment 6：A kind of press-type disposable blood taking device with spring correcting structure（It is included to adjust head and turn round shape for hat）
As shown in Figure 29 and Figure 30, the hemostix is by shell 1, adjusting head 20, torsion cap 11, needle core 2, spring 3 and push away hair device 4
Composition.
The present embodiment 6 and embodiment 1 difference lies in：1 head of shell is equipped with the adjusting head 20 that can change paracentesis depth
Structure.And the adjusting head 20 that can change paracentesis depth may be used the prior art, such as using application No. is
201610158481.8 publication No. CN105816188A, entitled《The disposable depth-adjustable needle insertion safety blood taking of modified
Needle》Chinese patent application disclosed in structure, or use Patent No. 201620212700.1, Authorization Notice No. is
CN205586011U, it is entitled《Improved disposable safety blood taking needle capable of adjusting puncture depth》Chinese patent disclosed in knot
Structure is not described in detail herein.
Other contents are same as Example 1, and description is not repeated herein.
It is suitable for the present embodiment 6 in relation to 1 possible all changes of embodiment above, is also not repeated to describe here.
Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement according to this, the scope of protection of the utility model can not be limited with this.
It is all according to equivalent change or modification made by the spirit of the present invention essence, should all cover the scope of protection of the utility model it
It is interior.
Claims (9)
1. a kind of press-type disposable blood taking device with spring correcting structure, including shell（1）, needle core（2）, spring（3）And
Push away hair device（4）；
The shell（1）Form an ejection chamber, needle core（2）By locking mechanism position and lock in ejection chamber, spring（3）Make front end
Used in needle core（2）On, needle core（2）With shell（1）Or push away hair device（4）Between be equipped with ejection guide frame；
The push away hair device（4）Head is from shell（1）Front end is stretched out and as blood sampling triggering end, push away hair device（4）Body is slidably connected
In shell（1）In, push away hair device（4）Tail portion cooperatively forms unlocking mechanism with locking mechanism, and head press-type emitter junction is formed with this
Structure；
It is characterized in that：For the spring（3）Equipped with the correcting structure for righting, which is located at shell（1）It is interior,
And it is arranged in spring（3）Periphery it is circumferential；The correcting structure is by least three correcting items（17）It constitutes, or by least two
A correcting piece（18）It constitutes, or by a pilot（19）It constitutes, pilot（19）Or all correcting items（17）Or institute
There is correcting piece（18）In spring（3）Periphery circumferentially around spring（3）It arranges and forms a restricted spring（3）Correcting it is logical
Road, spring（3）In the correcting channel, make spring（3）Resilient force in needle core（2）Direction of ejection on, spring（3）
Rear end acts on correcting structure or shell（1）End cap on；
The locking mechanism is by push away hair device（4）With needle core（2）It cooperatively forms, wherein push away hair device（4）Tail portion is equipped at least one bullet
Property arm（5）, elastic arm（5）It is equipped with and is used for locking needle core（2）Grab（6）Or end face（25）, all elastic arm（5）Common shape
At an elastic clip or elastic arm（5）With shell（1）Inner wall, push away hair device（4）One of inner wall and correcting structure inner wall are matched
It closes and forms an elastic clip, needle core（2）Clamped position and lock forms the locking mechanism in elastic clip with this；
The unlocking mechanism is by correcting structure and push away hair device（4）It cooperatively forms, wherein correcting structure forward face is to elastic arm（5）
Rear portion is arranged, in correcting structure front and elastic arm（5）In the two of rear portion, at least one is equipped with unlock inclined-plane（10）；
In a state of use, work as push away hair device（4）When head is pressed, push away hair device（4）In shell（1）It inside moves backward, correcting
Meet elastic arm head-on in structure front（5）Rear portion, and on unlock inclined-plane（10）Under the action of force elastic arm（5）End is laterally opened,
Work as elastic arm（5）On grab（6）Or end face（25）It is detached from needle core after locking critical point（2）In spring（3）Effect, which issues, to be shot through
Thorn.
2. hemostix according to claim 1, it is characterised in that：The correcting structure is from shell（1）End cap or/and
The structure extended on inner wall.
3. hemostix according to claim 1, it is characterised in that：The push away hair device（4）Tail portion is equipped with initial hook（22）
It is linked up with triggering（23）, the corresponding initial hook（22）It is linked up with triggering（23）Hook side is equipped on correcting structure（24）, sending out
Before penetrating under assembled state, push away hair device（4）On initial hook（22）With hook side（24）The first limit is cooperatively formed, to prevent to push away hair
Device（4）Opposite shell（1）It moves forward；After transmitting under state, push away hair device（4）On triggering hook（23）With hook side（24）Match
It closes and forms the second limit, to prevent push away hair device（4）Opposite shell（1）It retracts, makes push away hair device（4）Head opposite shell（1）Head
In concordant or indentation state.
4. hemostix according to claim 1, it is characterised in that：The push away hair device（4）Side is equipped with hook（12）And gear
Shoulder（13）, the corresponding hook（12）And shoulder block（13）In shell（1）Inner wall is equipped with inner face（14）, assembled state before transmission
Under, push away hair device（4）On hook（12）With inner face（14）The first limit is cooperatively formed, to prevent push away hair device（4）Opposite shell
（1）It moves forward；After transmitting under state, push away hair device（4）On shoulder block（13）With inner face（14）The second limit is cooperatively formed,
To prevent push away hair device（4）Opposite shell（1）It retracts, makes push away hair device（4）Head opposite shell（1）Head is in concordant or retraction shape
State.
5. hemostix according to claim 1, it is characterised in that：The needle core（2）Front, which is equipped with, turns round cap（11）, with this structure
At torsion shape for hat head press-type disposable blood taking device.
6. hemostix according to claim 5, it is characterised in that：The torsion cap（11）Positioned at needle core（2）Front, and and needle
Core（2）Link into an integrated entity injection molding structure, turns round cap（11）By torsional part（15）And guard bar（16）It is fixedly connected with composition, is protected
Bar（16）With needle core（2）Between be provided with the contractible neck that can be twisted off（7）.
7. hemostix according to claim 6, it is characterised in that：The push away hair device（4）Head is equipped with needle outlet（9）, institute
State torsional part（15）Maximum outside diameter be more than needle outlet（9）Maximum diameter of hole, and guard bar（16）And needle core（2）It can be from going out needle
Hole（9）Front end penetrates assembly.
8. hemostix according to claim 1, it is characterised in that：The needle core（2）Front is equipped with block, and lid is constituted with this
Shape for hat head push type disposable blood taking device.
9. hemostix according to claim 1, it is characterised in that：The shell（1）Head, which is equipped with, can change puncture deeply
The adjusting head of degree（20）Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720589947.XU CN207734167U (en) | 2017-05-25 | 2017-05-25 | Press-type disposable blood taking device with spring correcting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720589947.XU CN207734167U (en) | 2017-05-25 | 2017-05-25 | Press-type disposable blood taking device with spring correcting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207734167U true CN207734167U (en) | 2018-08-17 |
Family
ID=63114465
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720589947.XU Withdrawn - After Issue CN207734167U (en) | 2017-05-25 | 2017-05-25 | Press-type disposable blood taking device with spring correcting structure |
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| Country | Link |
|---|---|
| CN (1) | CN207734167U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107157494A (en) * | 2017-05-25 | 2017-09-15 | 苏州施莱医疗器械有限公司 | Press-type disposable blood taking device with spring correcting structure |
| CN109646019A (en) * | 2019-02-15 | 2019-04-19 | 苏州施莱医疗器械有限公司 | Modified tail portion push type disposable safe hemostix |
| WO2023051557A1 (en) * | 2021-09-28 | 2023-04-06 | 苏州施莱医疗器械有限公司 | Method for preventing false triggering of head-press-type disposable safety blood collection device |
| WO2023051555A1 (en) * | 2021-09-28 | 2023-04-06 | 苏州施莱医疗器械有限公司 | Simple head-press-type disposable safety blood collection device |
-
2017
- 2017-05-25 CN CN201720589947.XU patent/CN207734167U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107157494A (en) * | 2017-05-25 | 2017-09-15 | 苏州施莱医疗器械有限公司 | Press-type disposable blood taking device with spring correcting structure |
| WO2018214993A1 (en) * | 2017-05-25 | 2018-11-29 | 苏州施莱医疗器械有限公司 | Contact pressure-type disposable blood collection device provided with spring guide structure |
| CN107157494B (en) * | 2017-05-25 | 2019-08-23 | 苏州施莱医疗器械有限公司 | Press-type disposable blood taking device with spring correcting structure |
| CN109646019A (en) * | 2019-02-15 | 2019-04-19 | 苏州施莱医疗器械有限公司 | Modified tail portion push type disposable safe hemostix |
| WO2023051557A1 (en) * | 2021-09-28 | 2023-04-06 | 苏州施莱医疗器械有限公司 | Method for preventing false triggering of head-press-type disposable safety blood collection device |
| WO2023051555A1 (en) * | 2021-09-28 | 2023-04-06 | 苏州施莱医疗器械有限公司 | Simple head-press-type disposable safety blood collection device |
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