CN105311712A - High-pressure syringe piston butt joint device with jaws - Google Patents
High-pressure syringe piston butt joint device with jaws Download PDFInfo
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- CN105311712A CN105311712A CN201510781292.1A CN201510781292A CN105311712A CN 105311712 A CN105311712 A CN 105311712A CN 201510781292 A CN201510781292 A CN 201510781292A CN 105311712 A CN105311712 A CN 105311712A
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- piston
- push rod
- claw
- shell
- syringe
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a high-pressure syringe piston butt joint device with jaws. The high-pressure syringe piston butt joint device comprises a piston shell, a piston core, a push rod shell, a plurality of jaws, a push rod and a fixing part, wherein the piston shell at least partially wraps the piston core, the push rod shell is fixedly connected with the piston shell, the jaws are disposed on the outer side of the piston core, the push rod shell sleeves the push rod, and the piston shell, the push rod shell, the piston core and the push rod are fixed together by the fixing part. The high-pressure syringe piston connecting device is simple and convenient to operate, high in automation level, applicable to multiple pulling and insertion of a syringe and even in stress when a plunger is pulled back.
Description
Technical field
The present invention relates to a kind of high-pressure syringe piston docking facilities with claw.
Background technology
High pressure injector is a kind of conventional armarium, carries out contrast-medium injection by nurse operation to patient.General process comprises syringe and installs fixing, setting injection parameters, injection, dismounting syringe etc.Existing scheme is after syringe installation is fixing, and the plunger in syringe and the high-pressure injection piston noted on push rod needs artificially to rotate adjustment and aligns.After syringe is extracted, when again installing, automatic butt cannot be realized.Need artificial piston of observing whether to push up foremost, then renew to turn and syringe is installed.The more important thing is, after syringe is extracted, when again installing, because syringe plunger is not in position of dispatching from the factory, cannot realize automatic butt, now dock more difficult, bring very big inconvenience to nurse operation, automaticity is low.Need artificial piston of observing whether to push up foremost, then renew to turn and syringe is installed.And prior art is when plunger is pulled back stressed, only draw ear two ends stressed, unbalance stress, easily cause plunger eccentric, produce leakage.
Summary of the invention
In view of the foregoing, the present invention seeks to provide a kind of high-pressure syringe piston docking facilities with claw.
For achieving the above object, the technical solution used in the present invention is: a kind of high-pressure syringe piston docking facilities with claw, is characterized in that it comprises: piston, by the coated at least partly piston core of piston, the push rod shell be fixedly connected with piston, be arranged on several claws outside piston core, by the sheathed push rod of push rod shell and the fixture that is fixed together by piston, push rod shell, piston core and push rod four parts.
On the basis of technique scheme, comprise following technical scheme further:
Described piston contacts with syringe plunger, and comprises multiple claw accommodation hole and be positioned at the claw constraint floor of claw accommodation hole both sides.
Described piston core is provided with a limit shaft, upper work circular cone inclined-plane and the circular cone inclined-plane 5 that works once.
Described push rod casing turns on push rod, and symmetrical two the pin conduits having accommodation fixture on push rod shell.
Described claw is provided with inclined working and lower inclined working, and to the upper work circular cone inclined-plane of piston core and the corresponding cooperation in lower work circular cone inclined-plane, and claw has an external part, for blocking the claw flange of syringe plunger.
Due to the utilization of technique scheme, the present invention has following advantages:
Simple to operation, automatization is high, uniform force when being applicable to syringe repeatedly plug and plunger can draw.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the overall diagram of piston docking facilities in the present invention;
Fig. 2 is the exploded view of piston docking facilities in the present invention;
Fig. 3 is the schematic diagram of piston docking facilities in the present invention;
Fig. 4 is the structure chart of piston in the present invention;
Fig. 5 is the sectional view of piston in the present invention;
Fig. 6 is the structure chart of piston core in the present invention;
Fig. 7 is the sectional view of piston core in the present invention;
Fig. 8 is the structure chart of claw in the present invention;
Fig. 9 is the structure chart of the matching used syringe plunger with the present invention;
Figure 10 is the sectional view of the matching used syringe plunger with the present invention.
Detailed description of the invention
Embodiment: as Figure 1-10 shows, the invention provides a kind of specific embodiment with the high-pressure syringe piston docking facilities of claw, it comprises piston 1, by the coated at least partly piston core 2 of piston 1, the push rod shell 3 be fixedly connected with piston 1, is arranged on several claws 4 outside piston core 2, by the sheathed push rod 6 of push rod shell 3 and the fixture 5 that is fixed together by piston 1, push rod shell 3, piston core 2 and push rod 6 four parts.Fixture 5 is preferably pin.
The addendum cone face 11 of piston 1 is work surface, and when push rod advances, this work surface 11 contacts with syringe plunger; Middle part is preferably provided with six claw accommodation holes 12, for retraining stretching out and retraction of claw 4; Claw accommodation hole 12 both sides of piston 1 inside have claw to retrain floor 14, for retraining claw 4 radial motion; Pin accommodation hole 13 is arranged at piston 1 bottom; Piston 1 bottom is two locking screw pits 15 preferably, for latching ram shell 1 and push rod shell 3.
One limit shaft 21 is arranged at piston core 2 top, for limiting piston core 2 and piston 1, piston core 2 can not be rotated in a circumferential direction in piston 1; Have to work on one circular cone inclined-plane 22 and the circular cone inclined-plane 23 that works in the middle part of piston core 2 once, for the retraction that controls claw 4 with stretch out; A pin hole 24 is had, for holding fixture 5 bottom piston core.
Push rod shell 3 overlaps and turns on push rod 6, and on push rod shell 3, symmetry has two pin conduits 31, for holding fixture 5.Push rod 6 there is a pin hole 61, for holding fixture 5.
Claw 4 has two work surfaces: upper inclined working 41 and lower inclined working 42, for coordinating with the upper work circular cone inclined-plane 22 and lower work circular cone inclined-plane 23 of piston core 2, controlling the retraction of claw 4 and stretching out.Claw 4 has an external part 43, for blocking the claw flange 72 of syringe plunger.
These four parts, from outside to inside successively through piston 1, push rod shell 3, piston core 2 and push rod 6, are mainly fixed together by fixture 5.Wherein, together with piston core 2 is completely fixed with push rod 6, both can have a relative movement with piston 1 and push rod shell 3.
Syringe plunger 7 matching used with docking facilities of the present invention, has a plunger claw flange 72, for seized piston, makes it drive syringe plunger to do pullback motion; Have an endoporus 71, piston, when claw 4 is retracted, can pass this endoporus 71; Syringe plunger 7 has some rectangle floors 74 and triangle floor 73, mainly strengthens piston intensity.
During work, the syringe with syringe plunger 7 is inserted cylinder seat, this process of high pressure injector meeting perception, then notifies central controller.Central controller drives the piston advances forward being in zero-bit by motor, find syringe plunger 7.Shown in composition graphs 3, forward travel state is in namely in push rod 6 forward movement at piston, the upper inclined working 41 of claw 4 and lower inclined working 42 are under the upper work circular cone inclined-plane 22 of piston core 2 and the effect on lower work circular cone inclined-plane 23, contraction is drawn close to piston core 2 axial line, thus piston 1 end face is coordinated with plunger inner top surface, promote plunger 7 and travel forward.Piston is in fallback state and is namely in the process of pulling back at push rod 6, in the firm incipient stage, piston 1 does not move, push rod 6 moves backward, in this stage, claw 4 upper inclined working 41 and lower inclined working 42 under the upper work circular cone inclined-plane 22 of piston core 2 and the effect on lower work circular cone inclined-plane 23, stretch out to piston 1 outside, thus block plunger claw flange 72, after this, plunger shell 1 and push rod 6 synchronously will do pullback motion.
When syringe extracted by needs, as long as ensure that push rod 6 last action is for travelling forward, now claw 4 piston 1 of retracting is inner, and piston 1 and plunger 7 are that face contacts, and easily can extract syringe.If last action of push rod 6 is pullback motion, claw 4 can hook syringe plunger 7, and syringe can not be extracted.
Certain above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalent transformations of doing according to the spirit of main technical schemes of the present invention or modification, all should be encompassed within protection scope of the present invention.
Claims (5)
1. there is a high-pressure syringe piston docking facilities for claw, it is characterized in that it comprises: piston, by the coated at least partly piston core of piston, the push rod shell be fixedly connected with piston, be arranged on several claws outside piston core, by the sheathed push rod of push rod shell and the fixture that is fixed together by piston, push rod shell, piston core and push rod four parts.
2. a kind of high-pressure syringe piston docking facilities with claw according to claim 1, is characterized in that: described piston contacts with syringe plunger, and comprises multiple claw accommodation hole and be positioned at the claw constraint floor of claw accommodation hole both sides.
3. a kind of high-pressure syringe piston docking facilities with claw according to claim 2, is characterized in that: described piston core is provided with a limit shaft, upper work circular cone inclined-plane and the circular cone inclined-plane that works once.
4. a kind of high-pressure syringe piston docking facilities with claw according to claim 3, is characterized in that: described push rod casing turns on push rod, and symmetrical two the pin conduits having accommodation fixture on push rod shell.
5. a kind of high-pressure syringe piston docking facilities with claw according to claim 3 or 4, it is characterized in that: described claw is provided with inclined working and lower inclined working, and to the upper work circular cone inclined-plane of piston core and the corresponding cooperation in lower work circular cone inclined-plane, and claw has an external part, for blocking the claw flange of syringe plunger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510781292.1A CN105311712A (en) | 2015-11-13 | 2015-11-13 | High-pressure syringe piston butt joint device with jaws |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510781292.1A CN105311712A (en) | 2015-11-13 | 2015-11-13 | High-pressure syringe piston butt joint device with jaws |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105311712A true CN105311712A (en) | 2016-02-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510781292.1A Pending CN105311712A (en) | 2015-11-13 | 2015-11-13 | High-pressure syringe piston butt joint device with jaws |
Country Status (1)
| Country | Link |
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| CN (1) | CN105311712A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109675149A (en) * | 2019-01-31 | 2019-04-26 | 苏州恒瑞宏远医疗科技有限公司 | A kind of automatic butt jointing device of injector for medical purpose |
| CN110478572A (en) * | 2019-07-16 | 2019-11-22 | 南京感控通化工产品经营部 | A kind of high pressure injector inhales medicine safety detection method automatically |
| CN110604844A (en) * | 2019-06-25 | 2019-12-24 | 南京感控通化工产品经营部 | Rotation-free loading needle cylinder with pressure sleeve and injector system |
| CN113274590A (en) * | 2021-07-23 | 2021-08-20 | 科睿驰（深圳）医疗科技发展有限公司 | Connection device for medical equipment |
| CN113440688A (en) * | 2021-03-17 | 2021-09-28 | 南京巨鲨显示科技有限公司 | Syringe plunger coupling mechanism and syringe thereof |
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| CN203436621U (en) * | 2013-08-29 | 2014-02-19 | 浙江史密斯医学仪器有限公司 | Clamping mechanism of injection syringe push head |
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| CN204468900U (en) * | 2015-03-17 | 2015-07-15 | 钟鼎苏 | A kind of high pressure injector cylinder piston and high pressure injector syringe |
| CN105031775A (en) * | 2015-06-20 | 2015-11-11 | 南京感控通化工产品经营部 | Piston docking device for high-pressure injector and method |
| CN105031774A (en) * | 2015-06-20 | 2015-11-11 | 南京感控通化工产品经营部 | Spiral high pressure injector piston abutting device and method |
| CN205181919U (en) * | 2015-11-13 | 2016-04-27 | 南京感控通化工产品经营部 | High -pressure syringe piston interfacing apparatus with jack catch |
-
2015
- 2015-11-13 CN CN201510781292.1A patent/CN105311712A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4923443A (en) * | 1988-10-04 | 1990-05-08 | Greenwood Eugene C | Single use syringe |
| CN1238429A (en) * | 1998-06-04 | 1999-12-15 | 法斯泰斯特公司 | High pressure coupling |
| CN102908694A (en) * | 1999-11-24 | 2013-02-06 | 梅德拉股份有限公司 | Syringes, syringe interfaces, and syringe adapters |
| CN1431918A (en) * | 2000-04-04 | 2003-07-23 | 阿西斯特医疗系统有限公司 | Angiographic injector subassembly |
| CN2822664Y (en) * | 2005-06-06 | 2006-10-04 | 冯忠 | Disposable high pressure visualization injector tube with adapting sleeve |
| CN2910238Y (en) * | 2006-05-29 | 2007-06-13 | 王惠武 | Disposable self-destroying cylinder of high pressure injection pump |
| CN201366150Y (en) * | 2009-03-25 | 2009-12-23 | 深圳市安特高科实业有限公司 | High-pressure syringe piston |
| CN202176470U (en) * | 2011-07-12 | 2012-03-28 | 天津市精诚高压泵制造有限责任公司 | Plunger type high pressure pump |
| CN103987414A (en) * | 2011-10-19 | 2014-08-13 | 米特朗股份公司 | Syringe for a high-pressure injector |
| CN203436621U (en) * | 2013-08-29 | 2014-02-19 | 浙江史密斯医学仪器有限公司 | Clamping mechanism of injection syringe push head |
| CN204468900U (en) * | 2015-03-17 | 2015-07-15 | 钟鼎苏 | A kind of high pressure injector cylinder piston and high pressure injector syringe |
| CN105031775A (en) * | 2015-06-20 | 2015-11-11 | 南京感控通化工产品经营部 | Piston docking device for high-pressure injector and method |
| CN105031774A (en) * | 2015-06-20 | 2015-11-11 | 南京感控通化工产品经营部 | Spiral high pressure injector piston abutting device and method |
| CN205181919U (en) * | 2015-11-13 | 2016-04-27 | 南京感控通化工产品经营部 | High -pressure syringe piston interfacing apparatus with jack catch |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109675149A (en) * | 2019-01-31 | 2019-04-26 | 苏州恒瑞宏远医疗科技有限公司 | A kind of automatic butt jointing device of injector for medical purpose |
| CN109675149B (en) * | 2019-01-31 | 2020-05-15 | 苏州恒瑞宏远医疗科技有限公司 | Automatic butt joint device of medical injector |
| CN110604844A (en) * | 2019-06-25 | 2019-12-24 | 南京感控通化工产品经营部 | Rotation-free loading needle cylinder with pressure sleeve and injector system |
| CN110604844B (en) * | 2019-06-25 | 2022-06-03 | 南京巨鲨显示科技有限公司 | Rotation-free loading needle cylinder with protective sleeve end cover and injector system |
| CN110478572A (en) * | 2019-07-16 | 2019-11-22 | 南京感控通化工产品经营部 | A kind of high pressure injector inhales medicine safety detection method automatically |
| CN110478572B (en) * | 2019-07-16 | 2021-11-23 | 南京巨鲨显示科技有限公司 | Safety detection method for automatic medicine suction device of high-pressure injection device |
| CN113440688A (en) * | 2021-03-17 | 2021-09-28 | 南京巨鲨显示科技有限公司 | Syringe plunger coupling mechanism and syringe thereof |
| CN113440688B (en) * | 2021-03-17 | 2022-06-03 | 南京巨鲨显示科技有限公司 | Syringe plunger coupling mechanism and syringe thereof |
| CN113274590A (en) * | 2021-07-23 | 2021-08-20 | 科睿驰（深圳）医疗科技发展有限公司 | Connection device for medical equipment |
| CN113274590B (en) * | 2021-07-23 | 2021-10-08 | 科睿驰（深圳）医疗科技发展有限公司 | Connection device for medical equipment |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160210 |