CN205924585U - Straight mouthful needleless adds medicine and connects - Google Patents
Straight mouthful needleless adds medicine and connects Download PDFInfo
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- CN205924585U CN205924585U CN201620493617.6U CN201620493617U CN205924585U CN 205924585 U CN205924585 U CN 205924585U CN 201620493617 U CN201620493617 U CN 201620493617U CN 205924585 U CN205924585 U CN 205924585U
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- medicine
- dosing
- hole
- elastic packing
- stick harness
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Abstract
Straight mouthful needleless adds medicine and connects belongs to the medical instrument field, and concretely relates to needleless adds the medicine and connects. Its characterized in that: including last fixed end cover, lower wiring end and elastic sealing plug cylinder. This device is different from the tradition does not have the double -deck stage body formula elastic cover structure of direction, and when adding the medicine, elastic sealing plug cylinder upper portion under the pressure of syringe is added the powder column is pricked, and the going up of elastic sealing plug cylinder in, lower part are returned and are contracted along adding the powder column, until expose with the powder column add the medicine through -hole, medicine in the syringe can via add the medicine through -hole, interior pipeline gets into the main line, the process is smooth and easy, the medicine does not have and spills hourglass. Accomplish adding behind the medicine elastic sealing plug cylinder and returning and contract along adding the powder column, until sealing its parcel completely, inner wall of the duct can seal the state that adds the medicine through -hole with the powder column in resumeing, seals closely, not the water clock.
Description
Technical field
This utility model belongs to medical instruments field and in particular to a kind of needleless medicine-feeding joint.
Background technology
Traditional dosing connector is general to block liquid feeding using in setting coupling, coupling on tube for transfusion by elastic cap body
Mouthful, during use, elastic cap body is pressed, make syringe directly be directed at filling opening and carry out dosing injection.In traditional structure, due to bullet
Property cap body be simple truncated cone-shaped or double-deck truncated cone-shaped, when being compressed, deformation is nondirectional, and easy to produce resilience difficult,
Taking double-deck truncated cone-shaped as a example, also locking phenomenon can be occurred so that dosing process has some setbacks in deformation, easily cause medicine and spill
Leakage.Additionally, traditional structure filling opening after dosing is difficult to voluntarily recover to block, tube for transfusion leakage can be caused.
In consideration of it, applicant devises this device, can solve the problem that the problems referred to above.
Content of the invention
Technical problem to be solved in the utility model is to provide a kind of straight mouth needleless medicine-feeding joint, can facilitate smooth adding
The convenient state recovering sealing filling opening after medicine, and dosing.
For solving above-mentioned technical problem, the technical solution of the utility model is：A kind of straight mouth needleless described in utility model
Dosing connector it is characterised in that：Including upper fixing end lid, lower terminals and elastic packing stick harness body, in described lower terminals
Setting main line；The upper end setting dosing post of lower terminals, lower end is straight degree of lip-rounding connection jaws；Setting inner tube in described dosing post
Road, opens up dosing through hole in the top side of dosing post, and described dosing through hole is connected with interior pipeline, interior pipeline and main line phase
Connection；Setting annular groove around dosing post；Described elastic packing stick harness body is open at one end, the blind hole post of one end closing
Body, the opening end of elastic packing stick harness body is enclosed within dosing post, and is arranged in annular groove；The inner tube of elastic packing stick harness body
Road inwall can close the dosing through hole of dosing post；Fixed end cap is in up-small and down-big truncated cone-shaped；On upper fixing end lid
Open up lid through hole, upper fixing end lid is sleeved on the outside of elastic packing stick harness body, and be fixed together with lower terminals.
Preferably, described dosing post includes interconnective upper, middle and lower portion；Top is conical pinnacle part；Middle part is in
Straight tube shape, described dosing through hole is opened in middle part；Bottom is in cone.
Preferably, described elastic packing stick harness body includes interconnective upper, middle and lower portion；Described top for shaft section is in
The sealing cap of " several " font, middle part include two or more fold " O " shape resilience power-assisted circle falling together and more than three stack arrangement
Annular protrusion；Described bottom includes inversed taper platform shape base.
Preferably, the maximum gauge of each annular protrusion is d, a diameter of d of each annular protrusion from top to bottom arranged1、
d2、d3、……dn, wherein, d1<d2<d3<……<dn；The thickest of each annular protrusion is t,（ dn+1-dn）<2tn.
Preferably, retainer ring in setting between the top and middle part of elastic packing stick harness body, in elastic packing stick harness body
Middle part and bottom between the lower retainer ring of setting, the fit clearance between fixed ring and upper fixing end lid is less than 0.1mm,
Lower fit clearance between retainer ring and the internal perisporium of annular groove is less than 0.1mm.
Preferably, the upper end outer surface in upper fixing end lid be threaded, chuck or draw-in groove shape attachment means.
Preferably, outer connecting device is set outside annular groove, attachment means in setting on the inwall of lid through hole,
Upper fixing end lid is sleeved on the outside of elastic packing stick harness body by lid through hole, and by interior attachment means and outer connecting device
It is connected.Described inside and outside attachment means are matching used internal and external screw thread or chuck, notch.
Preferably, the bar shaped reinforcement of more than three is arranged on the lower terminals periphery wall below annular groove.
Preferably, the uniform arrow-shaped upwards of setting n root annular above the outer connecting device outside described annular groove
Reinforcement is raised；Above the interior attachment means of lid through-hole wall, the uniform down arrow shape reinforcement of setting 2n root annular is convex
Rise.
Preferably, the material of described elastic packing stick harness body is silica gel or silicone rubber.
Compared with prior art, the beneficial effects of the utility model are：
1. this device is different from tradition and no guides double-deck stage body formula elastic closure structure, during dosing, elastic packing stick harness body
Under the pressure of syringe, top is punctured by dosing post, and the upper, middle and lower portion of elastic packing stick harness body bounces back along dosing post, until
Expose the dosing through hole of dosing post, the medicine in syringe can enter main line via dosing through hole, interior pipeline, and process is suitable
Freely, medicine no spills.After completing dosing, elastic packing stick harness body bounces back along dosing post, until being wrapped up closing completely, recovers
Interior pipeline inner wall can close the state of the dosing through hole of dosing post, and closing is tight, not water clock.
2. elastic packing stick harness body includes interconnective upper, middle and lower portion；Described top is in " several " font for shaft section
Sealing cap, middle part includes two or more and folds " O " shape resilience power-assisted circle falling together and more than three convex annular stacking arrangement
Rise；Described bottom includes inversed taper platform shape base.The resilience power-assisted coil structures of unique design, can be prevented effectively from and adopt merely boss
Contraction locking phenomenon when formula structure or merely annular convex type structure, can the rapid resilience when not stressing, reseal
Dosing through hole.Bottom includes the contact area that inversed taper platform shape base can reduce elastic packing stick harness body and annular groove, it is to avoid
Apparatus, in high temperature transport or long term storage, is adhered between part, and can promote resilience force.
3. the setting of upper and lower retainer ring, can make the contraction of elastic packing stick harness body and resilience can according to straight line path,
Avoid bending；Moreover it is possible to it is not tight to prevent elastic packing stick harness body from rocking the sealing leading to.
4. dosing post includes interconnective upper, middle and lower portion, and top is conical pinnacle part, and convenient puncture elasticity is close
The top sealing cap of blocking cylinder；Middle part is in straight tube shape, and described dosing through hole is opened in middle part, facilitates elastic packing stick harness body
" O " shape resilience power-assisted circle position banding dosing through hole, and upper retainer ring and following tapering annular boss can be upper and lower
Close the leakage medicine channel being likely to occur, realize duplicate protection thorough seal.
5. the maximum gauge of each annular protrusion is d, a diameter of d of each annular protrusion from top to bottom arranged1、d2、
d3、……dn, wherein, d1<d2<d3<……<dn, the annular protrusion being designed to taper is capable of the cone of tight dosing post
Bottom, makes each several part fit tightly, and along dosing post shrink when more smooth.The thickest of each annular protrusion is t,（ dn
+1-dn）<2tn, it can be avoided that upper level annular protrusion is fully retracted in next stage, causes the phenomenon of stuck self-locking, makes resilience
Not smooth, cause airtight not consolidation after dosing.
6. above the outer connecting device outside described annular groove, the uniform arrow-shaped upwards of setting n root annular is strengthened
Muscle is raised；Above the interior attachment means of lid through-hole wall, the uniform down arrow shape reinforcement of setting 2n root annular is raised.
This design not only improves the intensity of device body, makes upper fixing end lid, lower terminals in processing, in relative arrow-shaped
Under the guide effect of reinforcement, clamp is smooth, is less prone to crackle.
7. this device adopts vertical type attachment structure, when needing complete closed transfusion pipeline after multiple dosing, Ke Yizhi
Connect and pull down upper fixing end lid, the elastic packing stick harness body more renewing.Terminals are descended to be fastenedly connected all the time in Renewal process defeated
Liquid pipe, will not produce serious leakage, change simple and convenient, operate full safety health.
Brief description
Fig. 1 is the structural representation of this device；
Fig. 2 be Fig. 1 A-A to sectional view；
Fig. 3 is the structural representation of lower terminals；
Fig. 4 is the sectional view of the B-B direction of Fig. 3；
Fig. 5 be Fig. 4 C-C to sectional view；
Fig. 6 be Fig. 4 D-D to sectional view；
Fig. 7 is the structural representation of elastic packing stick harness body；
Fig. 8 is the sectional view of Fig. 7；
Fig. 9 is the dosing view of this device.
In figure：1st, upper fixing end lid；1.1st, attachment means；1.2nd, interior attachment means；
2nd, elastic packing stick harness body；2.1st, top；2.2nd, middle part；2.3rd, bottom；2.4th, lower retainer ring；2.5th, upper fixation
Ring；2.6th, " O " shape resilience power-assisted circle；2.7th, annular protrusion；
3rd, lower terminals；3.1st, dosing post；3.2nd, outer connecting device；3.3rd, annular groove；3.4th, main line；3.5th, inner tube
Road；3.6th, arrow-shaped reinforcement is raised upwards；3.7th, dosing through hole；3.8th, bar shaped reinforcement；
4th, syringe ports.
Specific embodiment
With specific embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings.
As illustrated in fig. 1 and 2, straight mouth needleless medicine-feeding joint described in the utility model, including upper fixing end lid, lower terminals
With elastic packing stick harness body.
As seen in figures 3-6, main line is set in described lower terminals；The upper end setting dosing post of lower terminals, lower end
For straight degree of lip-rounding connection jaws, straight degree of lip-rounding connection jaws can be directly connected to tube for transfusion.Described dosing post include interconnective upper, in,
Bottom；Top is conical pinnacle part；Middle part is in straight tube shape, and described dosing through hole is opened in middle part；Bottom is in cone.Institute
State pipeline in setting in dosing post, open up dosing through hole in the top side of dosing post, described dosing through hole is connected with interior pipeline
Logical, interior pipeline is connected with main line；Setting annular groove around dosing post；Described elastic packing stick harness body opens for one end
Mouth, the blind hole cylinder of one end closing, the opening end of elastic packing stick harness body is enclosed within dosing post, and is arranged in annular groove；
The interior pipeline inner wall of elastic packing stick harness body can close the dosing through hole of dosing post.
The bar shaped reinforcement of more than three is arranged on the lower terminals periphery wall below annular groove.
As shown in Figure 1-2, fixed end cap is in up-small and down-big truncated cone-shaped；Lid is opened up on upper fixing end lid lead to
Hole.Outside annular groove, outer connecting device is set, attachment means in setting on the inwall of lid through hole, upper fixing end lid leads to
Cross the outside that lid through hole is sleeved on elastic packing stick harness body, and be connected with outer connecting device by interior attachment means.Described
Inside and outside attachment means are matching used internal and external screw thread or chuck, notch.Upper end outer surface in upper fixing end lid
Be threaded, chuck or draw-in groove shape attachment means, in order to connect syringe ports.
As shown in FIG. 7 and 8, the material of described elastic packing stick harness body is silica gel or silicone rubber.Described elastic packing stick harness
Body includes interconnective upper, middle and lower portion；Described top is the sealing cap that shaft section is in " several " font, and middle part includes two or more
Folded " O " shape resilience power-assisted circle falling together and more than three annular protrusions stacking arrangement；Described bottom includes inversed taper platform shape
Base.
The maximum gauge of each annular protrusion is d, a diameter of d of each annular protrusion from top to bottom arranged1、d2、
d3、……dn, wherein, d1<d2<d3<……<dn；The thickest of each annular protrusion is t,（ dn+1-dn）<2tn.
Retainer ring in setting between the top and middle part of elastic packing stick harness body, at the middle part of elastic packing stick harness body and
Lower retainer ring is set between bottom, and the fit clearance between fixed ring and upper fixing end lid is less than 0.1mm, lower retainer ring
The fit clearance and internal perisporium of annular groove between is less than 0.1mm.
Above the outer connecting device outside described annular groove, the uniform reinforcement of arrow-shaped upwards of setting n root annular is convex
Rise；Above the interior attachment means of lid through-hole wall, the uniform down arrow shape reinforcement of setting 2n root annular is raised.
As shown in figure 9, this device use when, elastic packing stick harness body under the pressure of syringe ports top by dosing
Post punctures, and the upper, middle and lower portion of elastic packing stick harness body bounces back along dosing post, until exposing the dosing through hole of dosing post, syringe
Interior medicine can enter main line via dosing through hole, interior pipeline, and process is smooth, and medicine no spills.Complete elasticity after dosing
Sealing-plug cylinder bounces back along dosing post, until being wrapped up closing completely, in recovery, pipeline inner wall can close adding of dosing post
The state of medicine through hole, closing is tight, not water clock.When needing complete closed transfusion pipeline after multiple dosing, can directly pull down
Upper fixing end lid, the elastic packing stick harness body more renewing.In Renewal process, lower terminals are fastenedly connected tube for transfusion, no all the time
Serious leakage can be produced, change simple and convenient, operate full safety health.
The above, be only preferred embodiment of the present utility model, is not to make other forms to this utility model
Restriction, any those skilled in the art are combined, change or retrofit possibly also with the technology contents of the disclosure above
It is Equivalent embodiments of the present utility model.But every without departing from technical solutions of the utility model content, new according to this practicality
Any simple modification, equivalent variations and remodeling that the technical spirit of type is made to above example, still fall within this utility model skill
The protection domain of art scheme.
Claims (10)
1. a kind of straight mouth needleless medicine-feeding joint it is characterised in that：Including upper fixing end lid, lower terminals and elastic packing stick harness
Body, arranges main line in described lower terminals；The upper end setting dosing post of lower terminals, lower end is straight degree of lip-rounding connection jaws；Institute
State pipeline in setting in dosing post, open up dosing through hole in the top side of dosing post, described dosing through hole is connected with interior pipeline
Logical, interior pipeline is connected with main line；Setting annular groove around dosing post；Described elastic packing stick harness body opens for one end
Mouth, the blind hole cylinder of one end closing, the opening end of elastic packing stick harness body is enclosed within dosing post, and is arranged in annular groove；
The interior pipeline inner wall of elastic packing stick harness body can close the dosing through hole of dosing post；Fixed end cap is in up-small and down-big
Truncated cone-shaped；Lid through hole is opened up on upper fixing end lid, upper fixing end lid is sleeved on the outside of elastic packing stick harness body, and with connect
Line end is fixed together.
2. straight mouth needleless medicine-feeding joint according to claim 1 it is characterised in that：Described dosing post includes interconnective
Upper, middle and lower portion；Top is conical pinnacle part；Middle part is in straight tube shape, and described dosing through hole is opened in middle part；Bottom is in circle
Taper.
3. straight mouth needleless medicine-feeding joint according to claim 2 it is characterised in that：Described elastic packing stick harness body includes phase
The upper, middle and lower portion connecting；Described top is the sealing cap that shaft section is in " several " font, and middle part includes two or more and folds one
" O " shape resilience power-assisted circle rising and more than three annular protrusions stacking arrangement；Described bottom includes inversed taper platform shape base.
4. straight mouth needleless medicine-feeding joint according to claim 3 it is characterised in that：The maximum gauge of each annular protrusion is d,
A diameter of d of each annular protrusion from top to bottom arranged1、d2、d3、……dn, wherein, d1<d2<d3<……<dn；Each convex annular
The thickest rising is t,（ dn+1-dn）<2tn.
5. straight mouth needleless medicine-feeding joint according to claim 3 it is characterised in that：On the top of elastic packing stick harness body and
The upper retainer ring of setting between middle part, retainer ring under arranging between the middle part and bottom of elastic packing stick harness body, fixed
Fit clearance between ring and upper fixing end lid is less than 0.1mm, between lower cooperation between retainer ring and the internal perisporium of annular groove
Gap is less than 0.1mm.
6. straight mouth needleless medicine-feeding joint according to claim 1 it is characterised in that：Upper end outer surface in upper fixing end lid
Be threaded, chuck or draw-in groove shape attachment means.
7. straight mouth needleless medicine-feeding joint according to claim 1 it is characterised in that：Outer connection is set outside annular groove
Device, attachment means in setting on the inwall of lid through hole, upper fixing end lid is sleeved on elastic packing plug by lid through hole
The outside of cylinder, and be connected with outer connecting device by interior attachment means；Described inside and outside attachment means are matching used
Internal and external screw thread or chuck, notch.
8. straight mouth needleless medicine-feeding joint according to claim 7 it is characterised in that：Lower terminals below annular groove
The bar shaped reinforcement of more than three is arranged on periphery wall.
9. straight mouth needleless medicine-feeding joint according to claim 1 it is characterised in that：Outer outside described annular groove connects
Above connection device, the uniform reinforcement of arrow-shaped upwards of setting n root annular is raised；In the interior attachment means of lid through-hole wall
The uniform down arrow shape reinforcement of side's setting 2n root annular is raised.
10. straight mouth needleless medicine-feeding joint according to claim 1 it is characterised in that：The material of described elastic packing stick harness body
Matter is silica gel or silicone rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620493617.6U CN205924585U (en) | 2016-05-27 | 2016-05-27 | Straight mouthful needleless adds medicine and connects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620493617.6U CN205924585U (en) | 2016-05-27 | 2016-05-27 | Straight mouthful needleless adds medicine and connects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205924585U true CN205924585U (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620493617.6U Expired - Fee Related CN205924585U (en) | 2016-05-27 | 2016-05-27 | Straight mouthful needleless adds medicine and connects |
Country Status (1)
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| CN (1) | CN205924585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105879147A (en) * | 2016-05-27 | 2016-08-24 | 淄博嘉尚国际贸易有限公司 | Straight-opening needle-free dosing connector |
-
2016
- 2016-05-27 CN CN201620493617.6U patent/CN205924585U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105879147A (en) * | 2016-05-27 | 2016-08-24 | 淄博嘉尚国际贸易有限公司 | Straight-opening needle-free dosing connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190930 Address after: 256300 Workshop No. 1 in Tangfang Innovation Industrial Park, Gaoqing County, Zibo City, Shandong Province Patentee after: Zibo Donghong Medical Technology Co., Ltd. Address before: 255000 Shandong Province, Zibo city Zhangdian District Huaguang Road No. 118 Weihai International Commercial Affairs Building room 707 hall detai Patentee before: Zibo Jiashang International Trade Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20210527 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |