CN205586316U - Self -suction type syringe - Google Patents
Self -suction type syringe Download PDFInfo
- Publication number
- CN205586316U CN205586316U CN201620200205.9U CN201620200205U CN205586316U CN 205586316 U CN205586316 U CN 205586316U CN 201620200205 U CN201620200205 U CN 201620200205U CN 205586316 U CN205586316 U CN 205586316U
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- syringe
- piston rod
- injection
- imbibition
- spring
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Abstract
The utility model discloses a self -suction type syringe. It includes handle, piston rod, cylinder and syringe needle, the front end of cylinder is equipped with a stroke section of thick bamboo, a stroke section of thick bamboo in be equipped with the stroke spring, the one end of piston rod is installed on the handle, a stroke section of thick bamboo is arranged in to the centre of piston rod, the stroke spring arrange in on the piston rod, the other end of piston rod is arranged in the cylinder, the syringe needle install the rear end at the cylinder, the side of cylinder is equipped with imbibition mechanism. The beneficial effects of the utility model are that: simple structure, convenient operation, and satisfy from the demand of inhaling the formula injection, the security performance is high, and sealing performance is good, and reliable performance is good, long service life, labour saving and time saving for operator work efficiency improves greatly.
Description
Technical field
This utility model relates to medical supplies correlative technology field, refers in particular to a kind of self-suction syringe.
Background technology
The appearance of syringe is that the most epoch-making revolution in medical instruments field is used and syringe needle extracts or note
This process entering gas or liquid is called injection.Syringe by the foraminate syringe of front end band and with
Coupling piston core bar composition, be used for by a small amount of liquid or its be injected into other method cannot be close
Region or local extract out from those, core bar is extracted when, liquid or gas are from syringe front end aperture
Suck, when core bar pushes, liquid or gas are extruded.
Syringe can be used for armarium, container, if the scientific instrument in some chromatography are through rubber
Glue barrier film is injected.Direct injection of the gas into and blood vessel will cause air embolism.Air is removed from syringe
To avoid the way of thromboembolism to be, syringe is inverted, beats gently, then extruded before being expelled to blood flow
Liquid a bit.
Injector syringe can be plastics can also be that glass is made, and generally above have expression note
The graduation indication of liquid volume in emitter.Glass syringe can carry out disinfection with autoclave, but
Because the processing cost of plastic injector is relatively low, so modern medical service syringe majority is made of plastic,
This also further reduces the risk of blood born diseases.
Existing syringe includes syringe and syringe needle, inserts the needle in injection, by drawing piston rod
Action so that injection is drawn into syringe from syringe needle, the most again by push piston bar action, in syringe
Liquid by needle injection, during this, syringe needs first to carry out suction and penetrates liquid, the most just notes
It is mapped in object, considerably increases working strength so that work efficiency is the lowest.
Utility model content
This utility model is to there is above-mentioned deficiency in prior art to overcome, it is provided that a kind of easy to operate
And the self-suction syringe that work efficiency is high.
To achieve these goals, this utility model is by the following technical solutions:
A kind of self-suction syringe, including handle, piston rod, syringe and syringe needle, the front end of described syringe
Being provided with stroke cylinder, be provided with stroke spring in described stroke cylinder, one end of described piston rod is arranged on handle
On, the centre of described piston rod is placed in stroke cylinder, and described stroke spring is placed on piston rod, described
The other end of piston rod is placed in syringe, and described syringe needle is arranged on the rear end of syringe, the side of described syringe
Face is provided with liquid sucting mechanism.
The stroke of piston rod is limited by the design of stroke cylinder；By the design of liquid sucting mechanism so that should
Syringe in use, as long as injection being directly installed on liquid sucting mechanism, along with piston rod
Active force, is drawn into injection in syringe by liquid sucting mechanism, then by the action of piston rod by pin
Injection in Tong is injected in object by syringe needle, and so design avoids the need for by two steps, i.e. syringe needle
First carry out imbibition to inject again, and syringe needle can directly carry out action of injection, reached easy to operate and
The purpose that work efficiency is high.
As preferably, described liquid sucting mechanism includes imbibition spring, imbibition steel ball and liquid suction cap, described pin
Cylinder side be provided with pipette, described pipette and syringe are integrated, described pipette and
Syringe is connection, and the outside of described pipette is provided with external screw thread, and one end of described imbibition spring is placed in suction
The inner side of liquid pipe, the other end of described imbibition spring contacts with imbibition steel ball, in the upper end of described liquid suction cap
Side is provided with female thread and threadeds with pipette, is provided with anti-slip veins, institute outside the upper end of described liquid suction cap
The lower end stating liquid suction cap is provided with mounting seat, and described mounting seat inner hollow, in the lower end of described liquid suction cap
Portion is provided with the imbibition arc groove for placing imbibition steel ball, and the bottom of described imbibition arc groove is provided with imbibing hole
Connect with mounting seat.By imbibition steel ball and the design of imbibition spring, it is achieved that auto-lock function, when this note
When emitter is injected, this liquid sucting mechanism is by imbibition spring, imbibition steel ball and the cooperation of imbibition arc groove
It is at from closed state so that the injection in syringe will not enter into injection vessel by mounting seat
In.
As preferably, the point diameter of described piston rod is consistent with the rear end diameter of piston rod, described piston
The interlude diameter of bar is less than the point diameter of piston rod, and described stroke spring is arranged in piston rod
Between in section, the rear end of described piston rod is provided with sealing ring, the rear end of described piston rod by sealing ring with
Syringe inner wall sealing.Designed by the structure of piston rod so that piston rod can be spacing in stroke cylinder；
And by the design of sealing ring so that the injection in syringe will not enter in stroke cylinder, affects this note
The service life of emitter.
As preferably, one end that described stroke cylinder is connected with syringe seals and centre is provided with for passing through piston
The through hole of bar, the diameter of described through hole is more than the interlude diameter of piston rod and straight less than the front end of piston rod
Footpath, described stroke cylinder is provided with limited block outside one end of handle.Being designed to effectively by through hole
Limit piston rod stroke, and limited block be designed to effectively position the position of power-assisted support.
As preferably, it is provided with external screw thread outside one end of described syringe, sets inside one end of described stroke cylinder
There are female thread, described syringe to threaded with stroke cylinder, inside the other end of described syringe, are provided with interior spiral shell
Stricture of vagina, one end of described syringe needle is provided with syringe, and the outside of described syringe is provided with external screw thread, described pin
Cylinder is threadeded with syringe needle, and described liquid sucting mechanism is placed in the outside of syringe and near one end of syringe needle, institute
State syringe to be provided with inside one end of syringe needle and be provided with injection arc groove, injection steel ball and injection spring, described
Being provided with injection orifice in the middle of injection arc groove, described injection steel ball is placed in injection arc groove, described injection
One end of spring contacts with injection steel ball, and the other end of described injection spring is placed in syringe.By note
Penetrate the design of steel ball and injection spring, it is achieved that auto-lock function, when this syringe carries out imbibition, pass through
The cooperation of injection spring, injection steel ball and injection arc groove is at from closed state so that be injected
Object liquid will not be entered in syringe and liquid sucting mechanism by syringe needle, thus affects the use of this syringe.
As preferably, being provided with needle tubing in the middle of the other end of described syringe needle, described needle tubing connects with syringe,
Being provided with protective cover outside the other end of described syringe needle, the side of described protective cover is provided with locating fastener.Logical
Cross the structure design of syringe needle, have only to during use outside the needle tubing of syringe needle, be arranged on entry needle, and by this note
Penetrate the trailer card of pin in the locating fastener of protective cover, also allow for dismounting simultaneously.
As preferably, the outside of described stroke cylinder is provided with power-assisted support, sets in the middle of described power-assisted support
Having installing hole, described power-assisted support is arranged on stroke cylinder by installing hole and is fixed by fixed screw,
The upper end of described power-assisted support is provided with finger and hooks hole and hanging hole.Design by power-assisted support, it is possible to more
Labour-saving uses this syringe；Hooked the design in hole simultaneously by finger, facilitate operator to this syringe
Active force；By the design of hanging hole, facilitate the placement of this syringe.
The beneficial effects of the utility model are: simple in construction, easy to operate, and meet self-priming injection
Demand, security performance is high, and good seal performance, unfailing performance is good, and service life is long, time saving and energy saving, makes
Obtain operator's work efficiency to be greatly improved.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1. handle, 2. piston rod, 3. limited block, 4. power-assisted support, 5. hanging hole, 6. finger
Hook hole, 7. stroke cylinder, 8. stroke spring, 9. liquid suction cap, 10. anti-slip veins, 11. sealing rings, 12. pins
Cylinder, 13. mounting seats, 14. imbibition steel balls, 15. imbibition springs, 16. pipette, 17. injection steel balls,
18. injection springs, 19. syringes, 20. locating fasteners, 21. needle tubings, 22. protective covers, 23. imbibitions
Arc groove, 24. imbibing holes, 25. injection orifices, 26. injection arc grooves, 27. syringe needles.
Detailed description of the invention
With detailed description of the invention, this utility model is further described below in conjunction with the accompanying drawings.
In embodiment as described in Figure 1, a kind of self-suction syringe, including handle 1, piston rod 2, pin
Cylinder 12 and syringe needle 27, the front end of syringe 12 is provided with stroke cylinder 7, is provided with stroke spring 8 in stroke cylinder 7,
One end of piston rod 2 is arranged on handle 1, and the centre of piston rod 2 is placed in stroke cylinder 7, stroke bullet
Spring 8 is placed on piston rod 2, and the other end of piston rod 2 is placed in syringe 12, and syringe needle 27 is arranged on pin
The rear end of cylinder 12, the side of syringe 12 is provided with liquid sucting mechanism.
Liquid sucting mechanism includes imbibition spring 15, imbibition steel ball 14 and liquid suction cap 9, and the side of syringe 12 sets
Having pipette 16, pipette 16 is integrated with syringe 12, and pipette 16 and syringe 12 are even
Leading to, the outside of pipette 16 is provided with external screw thread, and one end of imbibition spring 15 is placed in the interior of pipette 16
Side, the other end of imbibition spring 15 contacts with imbibition steel ball 14, in being provided with inside the upper end of liquid suction cap 9
Screw thread and threadeding with pipette 16, is provided with anti-slip veins 10, liquid suction cap 9 outside the upper end of liquid suction cap 9
Lower end be provided with mounting seat 13, mounting seat 13 inner hollow, be provided with inside the lower end of liquid suction cap 9 for
Place the imbibition arc groove 23 of imbibition steel ball 14, the bottom of imbibition arc groove 23 be provided with imbibing hole 24 with
Mounting seat 13 connects.
The point diameter of piston rod 2 is consistent with the rear end diameter of piston rod 2, and the interlude of piston rod 2 is straight
Footpath is less than the point diameter of piston rod 2, and stroke spring 8 is arranged on the interlude of piston rod 2, piston
The rear end of bar 2 is provided with sealing ring 11, and the rear end of piston rod 2 is by sealing ring 11 and syringe 12 inwall
Seal.One end that stroke cylinder 7 is connected with syringe 12 seals and centre was provided with for leading to by piston rod 2
Hole, the diameter of the through hole interlude diameter more than piston rod 2 and the point diameter less than piston rod 2, OK
Journey cylinder 7 is provided with limited block 3 outside one end of handle 1.
It is provided with external screw thread outside one end of syringe 12, inside one end of stroke cylinder 7, is provided with female thread, syringe
12 threaded with stroke cylinder 7, are provided with female thread, one end of syringe needle 27 inside the other end of syringe 12
Being provided with syringe 19, the outside of syringe 19 is provided with external screw thread, and syringe 12 is threadeded with syringe needle 27,
Liquid sucting mechanism is placed in the outside of syringe 12 and near one end of syringe needle 27, and syringe 12 is provided with syringe needle 27
Injection arc groove 26, injection steel ball 17 and injection spring 18 it is provided with, in injection arc groove 26 inside one end
Between be provided with injection orifice 25, injection steel ball 17 is placed in injection arc groove 26, one end of injection spring 18
Contacting with injection steel ball 17, the other end of injection spring 18 is placed in syringe 19.Syringe needle 27 another
Being provided with needle tubing 21 in the middle of one end, needle tubing 21 connects with syringe 19, sets outside the other end of syringe needle 27
Protective cover 22, the side of protective cover 22 is had to be provided with locating fastener 20.
The outside of stroke cylinder 7 is provided with in the middle of power-assisted support 4, power-assisted support 4 and is provided with installing hole, and power-assisted is propped up
Frame 4 is arranged on stroke cylinder 7 by installing hole and is fixed by fixed screw, the upper end of power-assisted support 4
It is provided with finger and hooks hole 6 and hanging hole 5.
During use, first entry needle is installed outside the needle tubing 21 of syringe needle 27, and by protective cover 22
Locating fastener 20 entry needle is positioned between needle tubing 21 and protective cover 22, simultaneously at liquid sucting mechanism
The container of injection is installed in mounting seat 13；Then have only to by handle 1 and the cooperation of power-assisted support 4
Use, carry out the stroke spring 8 in compression travel cylinder 7 and piston rod 2 is moved right, now imbibition machine
By the effect of imbibition spring 15 in structure, imbibition steel ball 14 and the cooperation of imbibition arc groove 23 so that imbibition
Mechanism is in closed state；While piston rod 2 moves right, promote and be in the injection in syringe 12,
Injection is by injecting the injection orifice 25 on arc groove 26 to injection steel ball 17 active force so that injection bomb
Spring 18 is compressed, thus injection enters into from injection orifice 25 needle tubing 21 of syringe needle 27, and passes through
Entry needle is injected into and is injected in object；And when decontroling the active force of handle 1 and power-assisted support 4, be subject to
The spring-force driven dual of stroke spring 8 in stroke cylinder 7, piston rod 2 reseting movement to the left, now inject steel
Ball 17 is against in injection arc groove 26 by the spring-force driven dual of injection spring 18, will injection arc groove 26
Injection orifice 25 seal, now along with the motion of piston rod 2, the pressure in syringe 12 is become larger,
When pressure is more than the spring force of imbibition spring 15, imbibition spring 15 is pressed by the effect of imbibition steel ball 14
Contracting, makes injection enter in syringe 12 by the imbibing hole 24 on imbibition arc groove 23, waits quilt
Injection；It is so designed that, it is achieved that the self-priming demand of this syringe, it is not necessary to inject in two steps, operation
Convenient and swift.
Claims (7)
1. a self-suction syringe, is characterized in that, including handle (1), piston rod (2), syringe (12) and
Syringe needle (27), the front end of described syringe (12) is provided with stroke cylinder (7), in described stroke cylinder (7)
Being provided with stroke spring (8), one end of described piston rod (2) is arranged on handle (1), described piston
The centre of bar (2) is placed in stroke cylinder (7), and described stroke spring (8) is placed in piston rod (2)
On, the other end of described piston rod (2) is placed in syringe (12), and described syringe needle (27) is arranged on
The rear end of syringe (12), the side of described syringe (12) is provided with liquid sucting mechanism.
A kind of self-suction syringe the most according to claim 1, is characterized in that, described liquid sucting mechanism includes
Imbibition spring (15), imbibition steel ball (14) and liquid suction cap (9), the side of described syringe (12) is provided with
Pipette (16), described pipette (16) is integrated with syringe (12), described imbibition
Pipe (16) connects with syringe (12), and the outside of described pipette (16) is provided with external screw thread, institute
The one end stating imbibition spring (15) is placed in the inner side of pipette (16), described imbibition spring (15)
The other end contacts with imbibition steel ball (14), be provided with inside the upper end of described liquid suction cap (9) female thread and with
Pipette (16) is threaded, is provided with anti-slip veins (10), institute outside the upper end of described liquid suction cap (9)
The lower end stating liquid suction cap (9) is provided with mounting seat (13), described mounting seat (13) inner hollow, institute
State the imbibition arc groove (23) being provided with inside the lower end of liquid suction cap (9) for placing imbibition steel ball (14),
The bottom of described imbibition arc groove (23) is provided with imbibing hole (24) and connects with mounting seat (13).
A kind of self-suction syringe the most according to claim 1, is characterized in that, before described piston rod (2)
End diameter is consistent with the rear end diameter of piston rod (2), and the interlude diameter of described piston rod (2) is less than
The point diameter of piston rod (2), described stroke spring (8) is arranged on the interlude of piston rod (2)
On, the rear end of described piston rod (2) is provided with sealing ring (11), and the rear end of described piston rod (2) leads to
Cross sealing ring (11) and syringe (12) inner wall sealing.
A kind of self-suction syringe the most according to claim 3, is characterized in that, described stroke cylinder (7) and pin
One end that cylinder (12) connects seals and centre is provided with for the through hole by piston rod (2), described through hole
Diameter more than the interlude diameter of piston rod (2) and less than the point diameter of piston rod (2), described
Stroke cylinder (7) is provided with limited block (3) outside one end of handle (1).
A kind of self-suction syringe the most according to claim 1, is characterized in that, the one of described syringe (12)
It is provided with external screw thread outside end, inside one end of described stroke cylinder (7), is provided with female thread, described syringe (12)
Threaded with stroke cylinder (7), inside the other end of described syringe (12), be provided with female thread, described pin
One end of head (27) is provided with syringe (19), and the outside of described syringe (19) is provided with external screw thread, institute
The syringe (12) stated is threadeded with syringe needle (27), and described liquid sucting mechanism is placed in syringe (12)
Outside and the one end near syringe needle (27), described syringe (12) is provided with inside one end of syringe needle (27)
It is provided with injection arc groove (26), injection steel ball (17) and injection spring (18), described injection circular arc
Being provided with injection orifice (25) in the middle of groove (26), described injection steel ball (17) is placed in injection arc groove (26)
In, one end of described injection spring (18) contacts with injection steel ball (17), described injection spring (18)
The other end be placed in syringe (19) in.
A kind of self-suction syringe the most according to claim 5, is characterized in that, described syringe needle (27) another
Being provided with needle tubing (21) in the middle of one end, described needle tubing (21) connects with syringe (19), described syringe needle
(27) being provided with protective cover (22) outside the other end, the side of described protective cover (22) is provided with location
Buckle (20).
A kind of self-suction syringe the most according to claim 1, is characterized in that, described stroke cylinder (7)
Outside is provided with power-assisted support (4), is provided with installing hole, described power-assisted in the middle of described power-assisted support (4)
Support (4) is arranged on stroke cylinder (7) by installing hole and above and is fixed by fixed screw, described power-assisted
The upper end of support (4) is provided with finger and hooks hole (6) and hanging hole (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620200205.9U CN205586316U (en) | 2016-03-15 | 2016-03-15 | Self -suction type syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620200205.9U CN205586316U (en) | 2016-03-15 | 2016-03-15 | Self -suction type syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205586316U true CN205586316U (en) | 2016-09-21 |
Family
ID=56929791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620200205.9U Active CN205586316U (en) | 2016-03-15 | 2016-03-15 | Self -suction type syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205586316U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106954463A (en) * | 2017-04-24 | 2017-07-18 | 山东省蚕业研究所 | A kind of careless classification inoculation apparatus of silkworm and application |
| CN109125863A (en) * | 2018-09-30 | 2019-01-04 | 天津伊腾圣杰医疗器械有限公司 | A kind of multi-functional injecting assembly |
| CN110404138A (en) * | 2019-08-06 | 2019-11-05 | 西安交通大学医学院第一附属医院 | A kind of shaping and beauty injection device |
| CN110870818A (en) * | 2018-08-31 | 2020-03-10 | 温州医科大学附属第一医院 | Tympanic cavity liquid aspirator |
| CN111494092A (en) * | 2020-05-12 | 2020-08-07 | 河南省中医院（河南中医药大学第二附属医院） | Can collect duct washing unit of waste liquid |
-
2016
- 2016-03-15 CN CN201620200205.9U patent/CN205586316U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106954463A (en) * | 2017-04-24 | 2017-07-18 | 山东省蚕业研究所 | A kind of careless classification inoculation apparatus of silkworm and application |
| CN110870818A (en) * | 2018-08-31 | 2020-03-10 | 温州医科大学附属第一医院 | Tympanic cavity liquid aspirator |
| CN109125863A (en) * | 2018-09-30 | 2019-01-04 | 天津伊腾圣杰医疗器械有限公司 | A kind of multi-functional injecting assembly |
| CN110404138A (en) * | 2019-08-06 | 2019-11-05 | 西安交通大学医学院第一附属医院 | A kind of shaping and beauty injection device |
| CN111494092A (en) * | 2020-05-12 | 2020-08-07 | 河南省中医院（河南中医药大学第二附属医院） | Can collect duct washing unit of waste liquid |
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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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181017 Address after: 315434 No. 17, Yin Jia Road, Shang Zhuang village, deer Pavilion Township, Yuyao, Zhejiang Patentee after: Chu Zuwei Address before: 315434 No. 18, Yin Jia Road, Shang Zhuang village, deer Pavilion Township, Yuyao, Ningbo, Zhejiang Patentee before: Ningbo Yuqiu Animal Husbandry Apparatus Co., Ltd. |