CN203736638U

CN203736638U - Needle-free connector module

Info

Publication number: CN203736638U
Application number: CN201320849888.7U
Authority: CN
Inventors: 陈志龙; 张伟轩; 邱至伟
Original assignee: LILY MEDICAL CORP
Current assignee: LILY MEDICAL CORP
Priority date: 2013-12-20
Filing date: 2013-12-20
Publication date: 2014-07-30
Anticipated expiration: 2023-12-20

Abstract

The utility model provides a needle-free connector module. The needle-free connector module at least comprises a sleeve, an elastic valve body and a flow guide part. An upper guide pipe on the flow guide part is sleeved with the elastic valve body. A hollow shoulder portion of the elastic valve body abuts against a limiting slanted wall of the sleeve, so that the elastic valve body and the flow guide part are jointly connected into the sleeve. When the needle-free connector module is selectively in the first use state, the inner wall of a hollow head portion of the elastic valve body is wrapped on a narrow portion of the upper guide pipe, so that a first flow guide connector is hidden in an airtight seam; when the needle-free connector module is selectively in the second use state, a syringe is pressed down and abuts against the top face of the elastic valve body, and then the hollow head portion of the elastic valve body is squeezed downwards to drive the inner wall of the valve body to abut against a waist platform formed on the upper guide pipe and enable the first flow guide connector to be exposed out of the airtight seam, and consequently the first flow guide connector can be connected to an injection opening of the syringe. In addition, a lower guide pipe and a screw joint portion or a butt fusion portion can be integrally formed on the lower portion of the flow guide part in an extending mode. The return pressure of the elastic valve body can be enhanced through the waist platform, so that the leakage-proof effect is improved. The screw joint portion or the butt fusion portion can enhance the extensibility of the needle-free connector module connected with an external pipe fitting.

Description

Exempt from pin union joint module

Technical field

This utility model is to exempt from pin union joint module about one, espespecially a kind of relevant to injection connector pin union joint module of exempting from, can be in order to strengthen the wherein good airtight and resilience effect of airtight member, thereby while avoiding injecting, air related scurries into and medicament leaks, the situation of adverse current, sees through in addition structure of the present utility model and more can allow this utility model required sterilizing waste treatment effect of carrying out after use more practicable.

Background technology

Known injection device, for via the relevant appliance such as syringe and syringe needle, and with piston apply the strength of propelling and make the liquid of wish injection be injected thing by syringe needle to inject.But for a long time, the structure that used discarded syringe needle itself is sharp-pointed has been just a kind of garbage of danger, if and be used for injecting the syringe needle of live body, the risk that more has the contact of cause of disease to infect and stab, therefore about the waste treatment of syringe needle is very thorny subject under discussion, and syringe needle is a kind of disposable article, after using, just must abandon, to avoid that antibacterial is improper to be grown or other infection problems, except causing public health security doubt also to cause burden in environmental protection with cost payout.

Hold, in view of the shortcoming of traditional syringe needle, then derived the syringe of exempting from syringe needle, but the syringe of exempting from syringe needle but exists air-tightness not good, leak preventing effect is bad, or even easily cause the reflux problem of the liquid of institute wish injection, in order to improve above problem, cause needing seeing through comparatively complicated structure configuration, whether can be improved attempting, but the problems such as more derivative die sinking difficulty, R&D costs surge, and uncertain can getting a desired effect.

In addition, in order to reach good aseptic result, the known needle applicator Chang Yinwei structure of exempting from is too sealed, and causes the effect of sterilizing unclear, therefore easily therefore cause the improper distribution of cause of disease, derivative serious public health problem.Again; it is actual in the time that needle injection is exempted from use; often can need to use other group jointed tubular workpieces; exempt from needle applicator function originally to expand; but be difficult in die sinking, structure is be difficult to fully coordinate in the situation that, group connecing other pipe fittings has the difficulty of in fact making in fact, except because group to connect yield lower; also the aseptic of Chang Yinwei group after connecing is difficult for being kept, therefore be difficult to reach a gratifying technical level.Moreover; exempt from needle applicator if allow and maintain good gnotobasis; often can relatively manage to allow the structure of exempting from needle applicator comparatively seal; but this measure causes also and exempts from needle applicator and easily produce sterilizing dead angle; cause the improper distribution of cause of disease, for environment and the common people's public health security brings threat.

Therefore, the improving of the above-mentioned disappearance of this creator thoughts, and according to being engaged in for many years correlation experience in this respect, concentrated observation and research, and coordinate the utilization of scientific principle, and propose a kind of reasonable in design and effectively improve this utility model of above-mentioned disappearance.

Utility model content

The purpose of this utility model, be to provide one to exempt from pin union joint module, via relatively simple structure to reach good airtight, leakproof and aseptic result, and simplify the required cost of die sinking effectively to reduce research and development and to manufacture, and more can have under the advantage of good extendibility at product, also improve production yield, in addition also can after maintaining inner gnotobasis, have advantages of simultaneously and can, by sterilizing really, be of value to public health security.

For reaching above-mentioned purpose, this utility model provides one to exempt from pin union joint module, comprise: a sleeve, it has first opening that is opened in the lower end of this sleeve, one is opened in the second opening and one first inwall of the upper end of this sleeve, this first inwall extends a spacing skew wall towards inside contracting between the direction of the upper end of this sleeve and the longitudinal central axis direction of this sleeve, this spacing skew wall extends upward one second inwall towards the direction of the upper end of this sleeve again, this spacing skew wall and this second inwall define a upper chamber, this first inwall defines a lower chamber, one elastic valve body, there is a valve interior wall, upper end to lower end by this elastic valve body sequentially comprises a hollow head, one hollow shoulder and a hollow base, this upper chamber is in order to accommodating this hollow head, this lower chamber is in order to accommodating this hollow base, this hollow base also inside contracts and extends this hollow shoulder between the direction of this hollow head and the longitudinal central axis direction of this sleeve, one end face of this hollow head offers a gas-tight seam, this end face is in order to butt one injection tube, one conducting element, it comprises: a bottom body, this bottom body has a conduit, this conduit connects the outer end face of one of this bottom body and an inner bottom surface, and this conduit is convexly equipped with and extends from a side of this inner bottom surface, this conduit has one first water conservancy diversion interface, and this conduit is communicated in one second water conservancy diversion interface in a side of this outer end face, and this bottom body is also separately equipped with the via of this outer end face of a perforation and this inner bottom surface, one weld portion, it is positioned on this outer end face, and several bottom ribs, described bottom rib is formed on this inner bottom surface, an and extension component, it at least has a main line, this extension component is connected in this outer end face via this weld portion, thereby make this main line be communicated in this second water conservancy diversion interface, and this extension component and this one gap, outer end face interval, this gap is communicated in this via, wherein, this elastic valve body is sheathed on this conduit, and this hollow shoulder is resisted against this spacing skew wall, thereby this elastic valve body is connected in this sleeve jointly together with this conducting element, and make this bottom body seal this first opening, wherein, optionally under one first using state, the inwall of this hollow head is coated on this conduit, thereby this first water conservancy diversion interface is hidden among this gas-tight seam, and under one second using state, this injection tube presses down and is connected to this end face, and this hollow head is pushed, and this first water conservancy diversion interface is exposed to outside this gas-tight seam downwards, thereby this first water conservancy diversion interface can be connected to an injection openings of this injection tube.

Wherein this hollow base is a body base opening near one end of this bottom body, and the outer rim of this body base opening contacts at this bottom rib.

Wherein this hollow base near the some of this bottom body also with respect to the central shaft of this sleeve and extend out and extend an enlarged portion, thereby under this second using state, this enlarged portion is in order to be resisted against the inwall of this sleeve.

Wherein the inwall of this elastic valve body is for be formed with a coarse texture micro structure via sandblast processed, or

The outer wall of this elastic valve body is for being formed with a coarse texture micro structure via sandblast processed.

Wherein between this conducting element and this elastic valve body, also comprise and be formed with a silicon layer.

Wherein between this hollow head and this hollow shoulder, also include a hollow stem, the outer wall of this hollow stem is with respect to this hollow head and this hollow shoulder and inside contract towards the direction of the central shaft of this sleeve, thereby the inwall of the upper end of this hollow stem and this sleeve defines an extruding nargin space jointly among this upper chamber.

Wherein the surrounding of this main line is also provided with a spiro union portion, in order to connect an outer tube.

Wherein in this main line, be also provided with a Plug Division, in order to close-fitting the outer tube of pegging graft.

Wherein in this main line, the paragraph between this Plug Division and this second water conservancy diversion interface also divides and is connected to a branch line, and this branch line and this main line form a y-type structure or a T-shaped structure.

Wherein this extension component around also extends and expands a upper cover, this main line is opened in this upper cover, this upper cover also offers pipeline and an aseptic passage, thereby form a upper cover type extension component, and in order to be connected in a buffering graduated cylinder, this buffering graduated cylinder is the medicinal liquid from drip medicinal bag in order to delay, and is communicated in by a coupling assembling in the body of a sufferer individuality, wherein

This main line is fused to this weld portion, thereby is communicated in this second water conservancy diversion interface;

This pipeline is in order to be communicated in this drip medicinal bag;

In this aseptic passage, be also provided with an aseptic filter membrane, thereby make this aseptic passage maintain this buffering graduated cylinder inside and outside air pressure and aseptic condition.

For reaching above-mentioned purpose, this utility model also provides one to exempt from pin union joint module, comprise: a sleeve, it has first opening that is opened in the lower end of this sleeve, one is opened in the second opening and one first inwall of the upper end of this sleeve, this first inwall extends a spacing skew wall towards inside contracting between the direction of the upper end of this sleeve and the longitudinal central axis direction of this sleeve, this spacing skew wall extends upward one second inwall towards the direction of the upper end of this sleeve again, this spacing skew wall and this second inwall define a upper chamber, this first inwall defines a lower chamber, one elastic valve body, there is a valve interior wall, upper end to lower end by this elastic valve body sequentially comprises a hollow head, one hollow shoulder and a hollow base, this upper chamber is in order to accommodating this hollow head, this lower chamber is in order to accommodating this hollow base, this hollow base also inside contracts and extends this hollow shoulder between the direction of this hollow head and the longitudinal central axis direction of this sleeve, one end face of this hollow head offers a gas-tight seam, this end face is in order to butt one injection tube, an and conducting element, it comprises: a bottom body, this bottom body has a upper conduit, this upper conduit connects an outer end face and an inner bottom surface of this bottom body, and this upper conduit is convexly equipped with and extends a upper conduit from a side of this inner bottom surface, this upper conduit has one first water conservancy diversion interface, and this bottom body is also separately equipped with the via of this outer end face of a perforation and this inner bottom surface, and a waist platform, it is formed at the outer wall of this upper conduit, thereby defines a upper conduit narrow portion between this waist platform and this first water conservancy diversion interface, and between this waist platform and this inner bottom surface, defines a wide portion of upper conduit, and several bottom ribs, described bottom rib is formed on this inner bottom surface, wherein, this elastic valve body is sheathed on this upper conduit, and this hollow shoulder is resisted against this spacing skew wall, thereby this elastic valve body is connected in this sleeve jointly together with this conducting element, and make this bottom body seal this first opening, wherein, optionally under one first using state, the inwall of this hollow head is coated on this upper conduit narrow portion, thereby this first water conservancy diversion interface is hidden among this gas-tight seam, and under one second using state, this injection tube presses down and is connected to this end face, this hollow head is pushed downwards, drive this valve interior wall to contact at this waist platform, and this first water conservancy diversion interface is exposed to outside this gas-tight seam, thereby this first water conservancy diversion interface can be connected to an injection openings of this injection tube.

Wherein this upper conduit also via this bottom body certainly this outer end face extend in one piece a downcomer, this downcomer has one second water conservancy diversion interface, this downcomer is equipped with a spiro union portion around, between this spiro union portion and this outer end face, define a gap, this gap is communicated in this via, and this downcomer is in order to be communicated in an outer tube together with this spiro union portion.

Wherein this valve interior wall comprises a base portion inwall that is formed at this hollow base, and under this second using state, this base portion inwall contacts at this waist platform.

Wherein this base portion inwall comprises a side group portion inwall and and interferes inwall, wherein this side group portion inwall is near one end of this hollow shoulder, inside contract out this interference inwall towards the longitudinal central axis direction of this sleeve, under this second using state, this interference inwall contacts at this waist platform.

Wherein, under this first using state, the some of this interference inwall, this side group portion inwall, this waist platform and this upper conduit narrow portion define one first extruding nargin space jointly among this hollow base.

Wherein another part of this side group portion inwall is coated on the wide portion of this upper conduit, and this hollow base is a body base opening near one end of this bottom body, and the outer rim of this body base opening contacts at this bottom rib.

Wherein the inwall of this elastic valve body is for being formed with a coarse texture micro structure via sandblast processed; Or

Wherein between this hollow head and this hollow shoulder, also include a hollow stem, the outer wall of this hollow stem inside contracts towards the direction of the central shaft of this sleeve with respect to this hollow head and this hollow shoulder, thereby the inwall of the upper end of this hollow stem and this sleeve defines one second extruding nargin space jointly among this upper chamber.

By above-mentioned technology contents, this utility model can effectively reach die sinking to be simplified and reduces above-mentioned production, manufactures required cost, simultaneously after reaching and maintaining good airtight, leakproof and gnotobasis effect, can also take into account and can, by the advantage of sterilizing really, be of value to public health security.

For enabling further to understand feature of the present utility model and technology contents, refer to following about detailed description of the present utility model and accompanying drawing, but appended graphic only provide with reference to and explanation use, be not used for this utility model to be limited.

Brief description of the drawings

Figure 1A is top perspective visual angle exploded view of exempting from pin union joint module of the present utility model;

Figure 1B be of the present utility model exempt from pin union joint module look up perspective view exploded view;

Fig. 1 C is top perspective visual angle constitutional diagram of exempting from pin union joint module of the present utility model;

Fig. 1 D be of the present utility model exempt from pin union joint module look up perspective view constitutional diagram;

Fig. 2 A is cross-sectional schematic before start of exempting from pin union joint module of the present utility model;

Fig. 2 B is cross-sectional schematic after start of exempting from pin union joint module of the present utility model;

Fig. 3 A is the schematic perspective view that pin union joint module connects another extension component of exempting from of the present utility model;

Fig. 3 B is the schematic perspective view that pin union joint module connects another extension component of exempting from of the present utility model;

Fig. 3 C is the schematic perspective view that pin union joint module connects another extension component of exempting from of the present utility model;

Fig. 3 D is the schematic perspective view that pin union joint module connects another extension component of exempting from of the present utility model; And

Fig. 4 is cross-sectional schematic before start of exempting from pin union joint module removal weld portion of the present utility model.

Description of reference numerals:

10 sleeves

1001 depressed parts

101 lower chambers

102 upper chamber

11 first openings

12 second openings

13 first inwalls

131 spacing skew walls

14 second inwalls

20 elastic valve bodies

201 valve interior walls

21 hollow head

211 end faces

2111 gas-tight seams

22 hollow stem

23 hollow shoulders

24 hollow base

241 base portion inwalls

2411 side group portion inwalls

2412 interfere inwall

242 body base openings

243 enlarged portion

30 conducting elements

31 bottom bodies

311 outer end faces

3110 weld portion

312 inner bottom surfaces

3121 bottom ribs

32 conduits

321 first water conservancy diversion interfaces

322 second water conservancy diversion interfaces

323 waist platforms

3231 conduit narrow portions

The 3232 wide portions of conduit

32 ' upper conduit

3231 ' upper conduit narrow portion

3232 ' the wide portion of upper conduit

32 " downcomer

33 spiro union portions

40,40a, 40b, 40c, 40d extension component

401d top cover

41,41a, 41b, 41c main line

42 spiro union portions

42b, 42c, 42d pipeline

The aseptic passage of 43d

CA central shaft

H via

P1 first pushes nargin space

P2 second pushes nargin space

SP gap

SY injection tube

Detailed description of the invention

The first embodiment

Refer to Figure 1A, Figure 1B, Fig. 1 C and Fig. 1 D and illustrate, this utility model provides one to exempt from pin union joint module, comprising: a sleeve 10, an elastic valve body 20, a conducting element 30 and an extension component 40.

Described sleeve 10 is roughly the structure that hollow form and two ends are communicated with, therefore have first opening 11, that is opened in the lower end of sleeve 10 and be opened in the second opening 12 and one first inwall 13 of the upper end of sleeve 10.The first inwall 13 obliquely inside contracts and extends a spacing skew wall 131 between the direction of the upper end of sleeve 10 and the longitudinal central shaft CA direction of sleeve 10, spacing skew wall 131 extends upward second inwall 14 that is roughly parallel to central shaft CA towards the direction of the upper end of sleeve 10 again, wherein, defining upper chamber's 102, the first inwalls 13 at the upper end of sleeve 10 defines a lower chamber 101 jointly for spacing skew wall 131 and the second inwall 14.The outside of sleeve 10 is also concaved with a depressed part 1001 in addition, can facilitate in use gripping.

Described elastic valve body 20, preferably can be a kind of silica gel part, but not as limit, elastic valve body 20 has a valve interior wall 201, can sequentially be comprised and be had at least a hollow head 21, a hollow shoulder 23 and a hollow base 24 by upper end to the lower end of elastic valve body 20.The upper chamber 102 of described sleeve 10 can be in order to accommodating hollow head 21, described lower chamber 101 can be in order to accommodating hollow base 24, and hollow base 24 is also extended above-mentioned hollow shoulder 23 towards obliquely inside contracting between the direction of hollow head 21 and longitudinal central shaft CA direction of sleeve 10.211 of one end faces of hollow head 21 offer a gas-tight seam 2111, gas-tight seam 2111 is to be airtight conditions when flat, in the time that gas-tight seam 2111 is softened, can make hollow head 21 therefore be opened, and allow the inside of hollow head 21 be communicated with outside, therefore when end face 211 is when being connected to an injection tube SY, can make the conducting element 30 that the inside of elastic valve body 20 is provided be communicated in injection tube SY by softened gas-tight seam 2111.Described conducting element 30 also at least comprises: a bottom body 31, a weld portion 3110, a waist platform 323 and several bottom rib 3121.

Described bottom body 31 also has a conduit 32, and conduit 32 also runs through outer end face 311 and an inner bottom surface 312 of bottom body 31, and the side that conduit 32 is also subordinated to inner bottom surface 312 is convexly equipped with extends, and conduit 32 has one first water conservancy diversion interface 321, and conduit 32 is also communicated in one second water conservancy diversion interface 322 in a side that belongs to outer end face 311.Separately, bottom body 31 is also equipped with the via H of the outer end face 311 of a perforation and inner bottom surface 312.

3110 of described weld portion are positioned on outer end face 311, and weld portion 3110 can be fused to other outside extension components in order to the mode that sees through ultrasound welding.Described waist platform 323 is formed in the mode being laterally convexly equipped with on the outer wall of conduit 32, thereby make can define a conduit narrow portion 3231 between waist platform 323 and the first water conservancy diversion interface 321, and this waist platform 323 also continues to extend along the direction of the central shaft CA of conduit 31 (or can be described as long axis direction), and and between inner bottom surface 312, define a wide portion 3232 of conduit.

Described bottom rib 3121, taking the present embodiment as example, preferably can be six and be centripetal shape arrangement, but not as limit, described bottom rib 3121 is formed on inner bottom surface 312, bottom rib 3121 can itself provide preferably structural strength to inner bottom surface 312, thereby the weld portion 3110 of end face 311 is in the time carrying out ultrasound welding outside, the base plate (label slightly) that can effectively make to define between outer end face 311 and inner bottom surface 312 avoids because therefore the high temperature that ultrasonic vibrating produces and disintegrate, meltdown, distortion can contribute to the yield on manufacturing.

Described extension component 40 at least has a main line 41, extension component 40 can be connected in via weld portion 3110 outer end face 311, thereby make main line 41 be communicated in the second water conservancy diversion interface 322, and complete after welding, extension component 40 and outer end face 311 some around also can between across a gap SP, gap SP can further be communicated in via H, so can in the time of sterilizing, allow the steam of High Temperature High Pressure can enter easily the inside of sleeve 10, thereby reach the sterilization treatment of implementing infectious garbage (bioharzard).And in the time that elastic valve body 20 is sheathed on the conduit 32 of conducting element 30, the hollow shoulder 23 of elastic valve body 20 is because be also an oblique angle, therefore can be resisted against the spacing skew wall 131 of sleeve 10 inside, and 131 of limited skew walls are spacing, thereby elastic valve body 20 can be connected in sleeve 10 jointly together with conducting element 30, and make bottom body 31 seal the first opening 11 of sleeve 10.

Structure of the present utility model from the above, this utility model optionally, under one first using state, makes the inwall of hollow head 21 be coated on conduit narrow portion 3231, thereby the first water conservancy diversion interface 321 is concealed among gas-tight seam 2111.In addition can be under one second using state, in the time that injection tube SY presses down the end face 211 that is connected to elastic valve body 20, hollow head 21 is pushed downwards, and drive in succession valve interior wall 201 to contact at waist platform 323, then make the first water conservancy diversion interface 321 be exposed to outside gas-tight seam 2111, thereby allow the first water conservancy diversion interface 321 can be connected to an injection openings (label slightly) of injection tube SY, so can complete the connection work of exempting from pin union joint.

And preferably, above-mentioned valve interior wall 201 also includes a base portion inwall 241 that is formed at hollow base 24, under above-mentioned the second using state, elastic valve body 20 in fact can the deformation because of pressurized, and cause base portion inwall 241 in fact can interfere, contact at waist platform 323, so can be in the time that elastic valve body 20 entirety press down, via base portion inwall 241, waist platform 323 is interfered to the active force of conflicting and producing, and by waist platform 323, and even the whole elastic valve body 20 of base portion inwall 241 is produced to counteracting force more conversely, thereby allow the end face 211 of elastic valve body 20 produce preferably back pressure effect for the injection tube SY of institute's contact, the compactness of the end face 211 that contributes to elastic valve body 20 during to injection tube SY butt, therefore good leakproof and airtight effect can be provided, and in the time that injection tube SY is pulled out, elastic valve body 20 also causes the effect of restoring after its pressurized deformation better because of the counteracting force that provides of waist platform 323, so can be of value to this utility model prolongation in service life, also the stability that is connected in injection tube SY during to use has positive help.

Furthermore, base portion inwall 241 also comprises a side group portion inwall 2411 and and interferes inwall 2412, wherein in side group portion inwall 2411 one end near hollow shoulder 23, form the interference inwall 2412 of inside narrow contracting towards the longitudinal central shaft CA direction of sleeve 10, therefore under the second using state, interfere inwall 2412 more can positively strengthen the conflict to waist platform 323, allow waist platform 323 to the counteracting force of interfering inwall 2412 to produce, can further make elastic valve body 20 produce better back pressure effect to injection tube SY.Except architectural characteristic that can be by waist platform 323 is to strengthen the above-mentioned back pressure effect of elastic valve body 20, elastic valve body 20 of the present utility model, its some of hollow base 24 that is close to bottom body 31 is also with respect to the central shaft CA of sleeve 10 and expand outwardly and extend an enlarged portion 243, thereby make this utility model can be under the second using state, to be resisted against the inwall of sleeve 10, equally also contribute to strengthen the effect of back pressure via enlarged portion 243.

Again, preferably, in order to make elastic valve body 20 when the pressurized, be unlikely to because the excessive interference effect of waist platform 323, and cause being difficult to be pressed among sleeve 10, therefore this utility model is under above-mentioned the first using state, can be by interfering inwall 2412, the some of side group portion inwall 2411, waist platform 323 and conduit narrow portion 321 define one first extruding nargin space P1 jointly among hollow base 24, to adjust valve interior wall 201 entirety to conduit narrow portion 3231, the overall contact area of the wide portion 3232 of conduit and waist platform 323, required application of force when thereby adjustment elastic valve body 20 is pressed into sleeve 10 inside.In addition, preferably, the surface of the valve interior wall 201 of elastic valve body 20 also can be formed with a coarse texture structure, and (figure slightly, do not illustrate), described coarse texture structure is a kind of micro structure caving in as surperficial granulating that is formed at via sandblast processed, the coarse texture structure on surface, because rough relation, can cause the contact area between surface and other assemblies after treatment to reduce, and then frictional force is declined, especially this kind of micro structure can be formed to the inwall of hollow head 21, so in the time that elastic valve body 20 is pressed down, can cause the first water conservancy diversion interface 321 inwall more difficult and hollow head 21 of conduit 32 to produce friction, in other words, the first water conservancy diversion interface 321 will be therefore and more easily through gas-tight seam 2111, and under the second using state, expose outside gas-tight seam 2111, while returning to the first using state pulling out injection tube SY in addition, also can reduce because of the frictional force of the inwall of hollow head 21 and conduit 10, allow hollow head 21 more can positively recover deformation and be again coated on the first water conservancy diversion interface 321, to avoid as far as possible potential improper cause of disease or other microorganisms to pollute the first water conservancy diversion interface 321.In like manner, this utility model also can carry out surperficial blasting treatment on the outer wall of elastic valve body 20, so that elastic valve body 20 is in use, reduce the friction of elastic valve body 20 to sleeve 10, elastic valve body 20 can among sleeve 10, be produced glibly deformation or recover its deformation.And after processing via surface sand-blasting, also can lower the existing stress in the surface of elastic valve body 20 own, elastic valve body 20 itself, also with respect to when the sandblast not, more easily produces deformation and also easily recovers its deformation in the case, all contributes to elastic valve body 20 start in use.And with respect to surface sand-blasting processing, exert an influence in order to reduce deformation, the start of frictional force to elastic valve body 20 equally, between the conduit 32 of elastic valve body 20 of the present utility model or conducting element 30, also can reach via the mode of coating silicone oil, after coating silicone oil, can between the conduit 32 of elastic valve body 20 or conducting element 30, be formed to jointly a rare silicon layer (label slightly), to reduce the friction between two assemblies, allow elastic valve body 20 between the first using state and the second using state, be easy to produce deformation and be also easy to recover its deformation.And in other words the deformation that recovers elastic valve body 20, be to allow the first water conservancy diversion interface 321 be wrapped by under definite DIYU the first using state, to stop potential cause of disease, the pollution risk of microorganism, therefore contribute to promote maintaining of this utility model gnotobasis.

In addition, it should be noted that, bottom rib 3121 is to be formed at via the mode being convexly equipped with on inner bottom surface 312, therefore can form one for inner bottom surface 312 highly higher supporting construction, and being close to one end of bottom body 31, the hollow base 24 of elastic valve body 20 also has the outer rim of a body base opening 242, therefore in the time that elastic valve body 20 is sheathed on conducting element 30, the outer rim that can make body base opening 242 not immediate roof is supported, in being contacted with, support face 312, but be resisted against the upper end of bottom rib 3121, therefore elastic valve body 20 can be high by 3121, bottom rib, can allow whereby elastic valve body 20 a little away from via H, to avoid via H to be sealed by elastic valve body 20 among sterilization process, this is to expand because elastic valve body 20 itself can be heated, if therefore elastic valve body 20 is not by the high words of frame, the as easy as rolling off a log generation of situation that will make via H be sealed, thereby the dead angle that easily generation cannot sterilizing, therefore moderately to elastic valve body 20, frame is high in addition, to have its necessity.After elastic valve body 20 is by frame height, also the steam that sterilizing is used is more easily entered between elastic valve body 20 and conduit 32 from the below of elastic valve body 20 in addition, can further avoid the generation at sterilizing dead angle.

Between the hollow head 21 of elastic valve body 20 of the present utility model and hollow shoulder 23, also can include a hollow stem 22, the outer wall of hollow stem 22 can be with respect to hollow head 21 and hollow shoulder 23 and is laterally inside contracted towards the direction of the central shaft CA of sleeve 10, thereby make hollow stem 22 jointly define one second extruding nargin space P2 with the inwall of the upper chamber of sleeve 10 102, the second extruding nargin space P2 can allow injection tube SY in the time rigidly connecting the end face 211 that contacts elastic valve body 20, provide enough nargin space can successfully be injected a SY and conduit 32 extruding strut to step down in the hollow head 21 of upper chamber 102 simultaneously, further to allow the first water conservancy diversion interface 321 successfully expose from gas-tight seam 2111, and be connected with injection tube SY.

Illustrate referring again to Figure 1A, Figure 1B, Fig. 1 C, Fig. 1 D, Fig. 2 A and Fig. 2 B, extension component 40 of the present utility model, can there is multiple change type, wherein one is bolt connection type extension component (label slightly), therefore except main line 41, around main line 41, also can be equipped with a spiro union portion 42, the demand of main line 41 visual user (or sufferer) in the situation that collocation has spiro union portion 42 and be connected to other outer tube (figure slightly) or container (figure slightly) etc.Separately referring to Fig. 3 A illustrates, extension component 40a also has another kind of change type, it is plug-in type extension component (label slightly), in the main line 41a of plug-in type extension component, be also provided with a Plug Division (label slightly), make the main line 41a can be via its inner Plug Division, be plugged to outer tube and only join, in the present embodiment, preferably a kind of mode that forms Plug Division is, (figure slightly in main line 41a, to be close to the second water conservancy diversion interface, label is slightly) the caliber of one end, can expand along the direction of the one end towards being away from the second water conservancy diversion interface (label slightly), thereby in main line 41a near one end of the second water conservancy diversion interface form a relative narrower Plug Division but not as limit, in fact as long as exist the difference of caliber between outer tube and main line 41a and can peg graft to interfering with each other property the fixing grafting relation that can produce with main line 41a close-fitting.Similarly, refer to Fig. 3 B and Fig. 3 C illustrates, be respectively a Y type extension component and a T-shaped extension component, both have respectively a main line 41b and main line 41c, and at main line (41b, middle part 41c) is also respectively equipped with a Plug Division (label slightly), the function class of Plug Division is similar to the Plug Division of Fig. 3 A, can be for other outer tube or the container of pegging graft, and at main line (41b, 41c), be positioned at the part between Plug Division and one end of close the second water conservancy diversion interface (label omits), can also other meet one time pipeline (42b, 42c), wherein time pipeline 42b is with time pipeline 42c difference, inferior pipeline 42b and main line 41b are y-type structure, inferior pipeline 42c is T-shaped structure perpendicular to main line 41c, therefore more can be optionally required, waiting for an opportunity property at inferior pipeline (42b, 42c) append, change or adjust the medicament etc. of required injection.

Referring to Fig. 3 D illustrates again, the extension component 40d demonstrating is except equally having main line 41d, also comprise a top cover portion 401d, main line 41d is opened in top cover portion 401d, top cover portion 401d also offers pipeline 42d and an aseptic passage 43d, thereby form a upper cover type extension component, and in order to as a top cover that can be covered on a buffering graduated cylinder (label slightly), buffering graduated cylinder can use to be detained the medicinal liquid from drip medicinal bag, and be communicated to by a coupling assembling in the body of a sufferer individuality, wherein, main line 41d can with the weld portion of the upper outside end face of bottom body 31 (label slightly) (label slightly) welding, thereby be communicated in the second water conservancy diversion interface (label slightly) of conducting element 30, inferior pipeline 42d can be in order to be communicated in a drip medicinal bag.In aseptic passage 43d, also can be provided with an aseptic filter membrane (figure slightly, label slightly), thereby make aseptic passage 43d maintain the aseptic condition of the inner and outside air pressure balance of buffering graduated cylinder and buffering graduated cylinder inside.Therefore can see through this utility model with upper cover type extension component, during fluid infusion, optionally, append other required medicaments via main line consideration.Certainly, for sterilizing convenience, between bottom body of the present utility model 31 belows and top cover portion 401d, still can between be separated with a gap (figure slightly, do not illustrate) so that high pressure high temperature vapor that can sterilizing can further enter into sleeve 10 inside to carry out sterilizing via via (as the via H of Figure 1B).

The second embodiment

In a second embodiment, to cut out taking the first embodiment as basisization, wherein, as shown in Figure 2 A, the waist platform 323 of desirable food stagnation removing pipe 32 in the present embodiment, thereby the outer wall that makes conduit 32 forms the shaft-like of a nothing projection, and the also direction overstriking gradually (the above figure changing slightly) towards the second water conservancy diversion interface 322 by the first water conservancy diversion interface 321 of conduit 32, so the variation shape of overstriking still can produce and promote elastic valve body 20 back pressure in the effect of injection tube SY as the waist platform 323 of the first embodiment gradually, and because the cause that waist platform 323 is cancelled, therefore nargin space P1 is also related does not exist in the first extruding, therefore furthermore, under the first using state, the inwall of the hollow head 21 shown in Fig. 2 A still can be coated on conduit narrow portion 3231, thereby the first water conservancy diversion interface 321 is hidden among gas-tight seam 2111, and under the second using state, please refer to the injection tube SY shown in Fig. 2 B presses down and is connected to end face 211, hollow head 21 is pushed downwards, but because waist platform 323 can be cancelled, therefore can not drive valve interior wall 241 to contact at waist platform 323, but valve interior wall 241 still can contact at the direction conduit of overstriking (the figure summary gradually towards the second water conservancy diversion interface 322 by the first water conservancy diversion interface 321 in the present embodiment, label slightly), and the first water conservancy diversion interface 321 is exposed to outside gas-tight seam 2111, thereby the first water conservancy diversion interface 321 can be connected to an injection openings (label slightly) of injection tube SY.In the present embodiment, can analogize with reference to aforementioned the first embodiment except the other technologies content relevant with waist platform 323 and structural relation, will repeat no more.

The 3rd embodiment

This utility model also provides one to exempt from pin union joint module, to cut out and derive taking the first embodiment as basisization, its sleeve 10 is substantially all substantially consistent with the first embodiment with elastic valve body 20, repeat no more, but in the present embodiment, refer to Figure 1B, Fig. 2 A and Fig. 2 C illustrate, that the weld portion on conducting element 30 3110 is cancelled, therefore further it, referring to Fig. 4 illustrates, in the present embodiment, conducting element 30 comprises: a bottom body 31, waist platform 323 and several bottom rib 3121, bottom body 31 has a upper conduit 32 ', upper conduit 32 ' runs through an outer end face 311 and an inner bottom surface 312 of bottom body 31, and upper conduit 32 ' is convexly equipped with and extends from a side of inner bottom surface 312, upper conduit 32 ' has one first water conservancy diversion interface 321, 31 of bottom bodies are also separately equipped with the via H of the outer end face 311 of a perforation and inner bottom surface 312.

Described waist platform 323, it is formed at the outer wall of upper conduit 32 ', thereby defines a upper conduit narrow portion 3231 ' between waist platform 323 and the first water conservancy diversion interface 321, and between waist platform 323 and inner bottom surface 312, defines a wide portion 3232 ' of upper conduit.Described several bottom rib 3121, be formed on inner bottom surface 312, wherein, elastic valve body 20 is sheathed on upper conduit 32 ', and hollow shoulder 23 is resisted against spacing skew wall 131, thereby elastic valve body 20 is connected in sleeve 10 jointly together with conducting element 30, and make bottom body 31 seal first opening (label slightly) of sleeve 10 lower ends, wherein, this utility model is optionally under one first using state, the inwall of hollow head 21 is coated on upper conduit narrow portion 3231 ', thereby the first water conservancy diversion interface 321 is hidden among gas-tight seam 2111; Or injection tube is the same under also can the second using state as shown in Figure 2 B, press down the end face 211 that is connected to elastic valve body 20, hollow head 21 is pushed downwards, drive valve interior wall 201 to contact at waist platform 323, and the first water conservancy diversion interface 321 is exposed to outside gas-tight seam 2111, thereby the first water conservancy diversion interface 321 can be connected to an injection openings (figure slightly, label slightly) of injection tube (figure slightly, label slightly).

Preferably, upper conduit 32 ' also can extend a downcomer 32 from outer end face 311 in one piece via bottom body 31 ", downcomer 32 " there is one second water conservancy diversion interface 322, downcomer 32 " be equipped with a spiro union portion 33 around, and between spiro union portion 33 and outer end face 311 also can between be separated with a gap SP, this gap SP is communicated in via H, downcomer 32 " in order to be communicated in an outer tube together with spiro union portion 33, (figure is slightly, label slightly), therefore the present embodiment makes this utility model form one to comprise sleeve 10 as from the foregoing, the three-member type of elastic valve body 20 and conducting element 30 exempt from pin union joint module, and the downcomer 32 extending in one piece from conducting element 30 " and spiro union portion 33 can see through the mode of plastic injection and reach integrally formed object, also be different from previously need be via weld portion (label slightly) the first embodiment and second embodiment of external extension component, except this integrally formed spiro union portion 33 and downcomer 32 ", remaining technology contents all can merge with aforementioned the first embodiment and the second embodiment cross-reference, to derive the creation of this 3rd embodiment.

In sum, via the pin union joint module of exempting from of the present utility model, there is following characteristics and function:

One, the pin union joint module of exempting from of the present utility model, see through the waist platform being convexly equipped with on the conduit outer wall of conducting element, can be in the time that elastic valve body contacts at waist platform, allow waist platform produce counteracting force to elastic valve body, to increase the back pressure effect of elastic valve body to injection tube, reach remarkable leak preventing effect.

Two, the pin union joint module of exempting from of the present utility model, see through the waist platform being convexly equipped with on the conduit outer wall of conducting element, can be in the time that elastic valve body contacts at waist platform, allow waist platform produce counteracting force to elastic valve body, can be in the time that injection tube removes, allow counteracting force promote the ability of elastic valve body self-recovery deformation, thereby extend the service life of elastic valve body.

Three, the pin union joint module of exempting from of the present utility model, the collaborative of structure that sees through bottom rib, via and gap assisted, allow the high pressure high temperature vapor that sterilizing is used be able to enter more easily internal structure of the present utility model, and be unlikely to produce sterilizing dead angle, avoid the improper distribution of cause of disease.

Four, the pin union joint module of exempting from of the present utility model, see through the structure of bottom rib, reach the effect that strengthens bottom body construction intensity, make to impose ultrasound welding on end face outside to connect the design of various extension components and obtained the realization of high yield polynaryly, make the utlity model has the motility in utilization, function.

Only the foregoing is only preferred embodiment of the present utility model; non-ly be intended to limit to scope of patent protection of the present utility model; therefore such as use the equivalence that this utility model description or graphic content are done to change, be all in like manner all contained within the scope of rights protection of the present utility model, close and give Chen Ming.

Claims

1. exempt from a pin union joint module, it is characterized in that, comprising:

One sleeve, it has first opening, that is opened in the lower end of this sleeve and is opened in the second opening and one first inwall of the upper end of this sleeve, this first inwall extends a spacing skew wall towards inside contracting between the direction of the upper end of this sleeve and the longitudinal central axis direction of this sleeve, this spacing skew wall extends upward one second inwall towards the direction of the upper end of this sleeve again, this spacing skew wall and this second inwall define a upper chamber, this first inwall defines a lower chamber

One elastic valve body, there is a valve interior wall, sequentially comprise a hollow head, a hollow shoulder and a hollow base by upper end to the lower end of this elastic valve body, this upper chamber is in order to accommodating this hollow head, this lower chamber is in order to accommodating this hollow base, this hollow base also inside contracts and extends this hollow shoulder between the direction of this hollow head and the longitudinal central axis direction of this sleeve, and an end face of this hollow head offers a gas-tight seam, and this end face is in order to butt one injection tube;

One conducting element, it comprises:

One bottom body, this bottom body has a conduit, this conduit connects an outer end face and an inner bottom surface of this bottom body, and this conduit is convexly equipped with and extends from a side of this inner bottom surface, this conduit has one first water conservancy diversion interface, this conduit is communicated in one second water conservancy diversion interface in a side of this outer end face, and this bottom body is also separately equipped with the via of this outer end face of a perforation and this inner bottom surface;

One weld portion, it is positioned on this outer end face; And

Several bottom ribs, described bottom rib is formed on this inner bottom surface; And

One extension component, it at least has a main line, and this extension component is connected in this outer end face via this weld portion, thereby make this main line be communicated in this second water conservancy diversion interface, and this extension component and this one gap, outer end face interval, this gap is communicated in this via, wherein

This elastic valve body is sheathed on this conduit, and this hollow shoulder is resisted against this spacing skew wall, thereby this elastic valve body is connected in this sleeve jointly together with this conducting element, and makes this bottom body seal this first opening, wherein, and optionally

Under one first using state, the inwall of this hollow head is coated on this conduit, thereby this first water conservancy diversion interface is hidden among this gas-tight seam; And

Under one second using state, this injection tube presses down and is connected to this end face, and this hollow head is pushed downwards, and this first water conservancy diversion interface is exposed to outside this gas-tight seam, thereby this first water conservancy diversion interface can be connected to an injection openings of this injection tube.

2. the pin union joint module of exempting from according to claim 1, wherein this hollow base is a body base opening near one end of this bottom body, the outer rim of this body base opening contacts at this bottom rib.

3. the pin union joint module of exempting from according to claim 2, wherein this hollow base near the some of this bottom body also with respect to the central shaft of this sleeve and extend out and extend an enlarged portion, thereby under this second using state, this enlarged portion is in order to be resisted against the inwall of this sleeve.

4. according to exempting from pin union joint module described in claims 1 to 3 any one, wherein the inwall of this elastic valve body is for be formed with a coarse texture micro structure via sandblast processed, or

5. according to exempting from pin union joint module described in claims 1 to 3 any one, wherein between this conducting element and this elastic valve body, also comprise and be formed with a silicon layer.

6. according to exempting from pin union joint module described in claims 1 to 3 any one, wherein between this hollow head and this hollow shoulder, also include a hollow stem, the outer wall of this hollow stem is with respect to this hollow head and this hollow shoulder and inside contract towards the direction of the central shaft of this sleeve, thereby the inwall of the upper end of this hollow stem and this sleeve defines an extruding nargin space jointly among this upper chamber.

7. according to exempting from pin union joint module described in claims 1 to 3 any one, wherein the surrounding of this main line is also provided with a spiro union portion, in order to connect an outer tube.

8. according to exempting from pin union joint module described in claims 1 to 3 any one, wherein in this main line, be also provided with a Plug Division, in order to close-fitting the outer tube of pegging graft.

9. the pin union joint module of exempting from according to claim 8, wherein in this main line, the paragraph between this Plug Division and this second water conservancy diversion interface also divides and is connected to a branch line, and this branch line and this main line form a y-type structure or a T-shaped structure.

10. according to exempting from pin union joint module described in claims 1 to 3 any one, wherein this extension component around also extends and expands a upper cover, this main line is opened in this upper cover, this upper cover also offers pipeline and an aseptic passage, thereby forms a upper cover type extension component, and in order to be connected in a buffering graduated cylinder, this buffering graduated cylinder is in order to be detained the medicinal liquid from drip medicinal bag, and be communicated in by a coupling assembling in the body of a sufferer individuality, wherein

This pipeline is in order to be communicated in this drip medicinal bag;

Exempt from pin union joint module for 11. 1 kinds, it is characterized in that, comprising:

One elastic valve body, there is a valve interior wall, sequentially comprise a hollow head, a hollow shoulder and a hollow base by upper end to the lower end of this elastic valve body, this upper chamber is in order to accommodating this hollow head, this lower chamber is in order to accommodating this hollow base, this hollow base also inside contracts and extends this hollow shoulder between the direction of this hollow head and the longitudinal central axis direction of this sleeve, and an end face of this hollow head offers a gas-tight seam, and this end face is in order to butt one injection tube; And

One conducting element, it comprises:

One bottom body, this bottom body has a upper conduit, this upper conduit connects an outer end face and an inner bottom surface of this bottom body, and this upper conduit is convexly equipped with and extends a upper conduit from a side of this inner bottom surface, this upper conduit has one first water conservancy diversion interface, and this bottom body is also separately equipped with the via of this outer end face of a perforation and this inner bottom surface; And

One waist platform, it is formed at the outer wall of this upper conduit, thereby defines a upper conduit narrow portion between this waist platform and this first water conservancy diversion interface, and between this waist platform and this inner bottom surface, defines a wide portion of upper conduit; And

Several bottom ribs, described bottom rib is formed on this inner bottom surface, wherein,

This elastic valve body is sheathed on this upper conduit, and this hollow shoulder is resisted against this spacing skew wall, thereby this elastic valve body is connected in this sleeve jointly together with this conducting element, and makes this bottom body seal this first opening, wherein, and optionally

Under one first using state, the inwall of this hollow head is coated on this upper conduit narrow portion, thereby this first water conservancy diversion interface is hidden among this gas-tight seam; And

Under one second using state, this injection tube presses down and is connected to this end face, this hollow head is pushed downwards, drive this valve interior wall to contact at this waist platform, and this first water conservancy diversion interface is exposed to outside this gas-tight seam, thereby this first water conservancy diversion interface can be connected to an injection openings of this injection tube.

The 12. pin union joint modules of exempting from according to claim 11, wherein this upper conduit also via this bottom body certainly this outer end face extend in one piece a downcomer, this downcomer has one second water conservancy diversion interface, this downcomer is equipped with a spiro union portion around, between this spiro union portion and this outer end face, define a gap, this gap is communicated in this via, and this downcomer is in order to be communicated in an outer tube together with this spiro union portion.

The 13. pin union joint modules of exempting from according to claim 11, wherein this valve interior wall comprises a base portion inwall that is formed at this hollow base, and under this second using state, this base portion inwall contacts at this waist platform.

The 14. pin union joint modules of exempting from according to claim 13, wherein this base portion inwall comprises a side group portion inwall and and interferes inwall, wherein this side group portion inwall is near one end of this hollow shoulder, inside contract out this interference inwall towards the longitudinal central axis direction of this sleeve, under this second using state, this interference inwall contacts at this waist platform.

The 15. pin union joint modules of exempting from according to claim 14, wherein, under this first using state, the some of this interference inwall, this side group portion inwall, this waist platform and this upper conduit narrow portion define one first extruding nargin space jointly among this hollow base.

The 16. pin union joint modules of exempting from according to claim 15, wherein another part of this side group portion inwall is coated on the wide portion of this upper conduit, this hollow base is a body base opening near one end of this bottom body, and the outer rim of this body base opening contacts at this bottom rib.

The 17. pin union joint modules of exempting from according to claim 16, wherein this hollow base near the some of this bottom body also with respect to the central shaft of this sleeve and extend out and extend an enlarged portion, thereby under this second using state, this enlarged portion is in order to be resisted against the inwall of this sleeve.

18. according to claim 11 to exempting from pin union joint module described in 17 any one, and wherein the inwall of this elastic valve body is for being formed with a coarse texture micro structure via sandblast processed; Or

19. according to claim 11 to exempting from pin union joint module described in 17 any one, wherein between this conducting element and this elastic valve body, also comprises and be formed with a silicon layer.

20. according to claim 11 to exempting from pin union joint module described in 17 any one, wherein between this hollow head and this hollow shoulder, also include a hollow stem, the outer wall of this hollow stem inside contracts towards the direction of the central shaft of this sleeve with respect to this hollow head and this hollow shoulder, thereby the inwall of the upper end of this hollow stem and this sleeve defines one second extruding nargin space jointly among this upper chamber.