CN206372353U - A kind of disposable adjustable syringe - Google Patents
A kind of disposable adjustable syringe Download PDFInfo
- Publication number
- CN206372353U CN206372353U CN201621086994.4U CN201621086994U CN206372353U CN 206372353 U CN206372353 U CN 206372353U CN 201621086994 U CN201621086994 U CN 201621086994U CN 206372353 U CN206372353 U CN 206372353U
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- CN
- China
- Prior art keywords
- pen core
- upper casing
- screw mandrel
- core support
- lower casing
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Abstract
The utility model is related to a kind of disposable adjustable syringe, including scale set, screw mandrel, upper casing, pen core support, end cap and lower casing, the upper casing is provided with upper casing through hole, lower casing is provided with lower casing through hole, pen core support is provided with medicine bottle receiving hole, the upper casing and lower casing with pen core support periphery clamp, the scale set is located in upper casing through hole, the upper casing through-hole wall of upper casing is raised provided with sliding, scale set periphery is provided with the sliding projection being connected with the raised sliding of sliding, the scale set is sleeved on screw mandrel, it is connected with wire rod thread, the screw mandrel is stretched into the medicine bottle receiving hole of pen core support, the screw mandrel is provided with axial screw mandrel groove, the bottom land of axial screw mandrel groove is provided with unidirectional rack, one end of pen core support has the positive stop hook stretched into axial screw mandrel groove, positive stop hook is provided with the rack coordinated with unidirectional rack, the end cap is installed on the other end of pen core support.The utility model improves injection precision, simple in construction, and assembling is reliable.
Description
Technical field
The utility model is related to a kind of injector for medical purpose, especially a kind of syringe of disposable adjustable dosage.
Background technology
Syringe uses quite varied in medical field, for the injection to bottled medicinal liquor.Clamped bottle is conventional one kind
Pushing block is respectively provided with medicine container, clamped bottle, can be by the medical liquid squeezing in clamped bottle by promoting pushing block.For clamped bottle
Low-dose injector formation two it is extreme, one is simple in construction, but injection precision is not high；Secondly complicated, assembler
Skill is complicated, causes cost of goods manufactured to improve, and size is larger, not portable.
The content of the invention
The purpose of this utility model is to provide a kind of raising injection precision, simple in construction, assembles and reliably disposably may be used
Adjust syringe.
In order to achieve the above object, the technical solution of the utility model is：A kind of disposable adjustable syringe, including scale
Set, screw mandrel, upper casing, pen core support, end cap and lower casing, the upper casing are provided with upper casing through hole, and lower casing is provided with lower casing through hole, pen core branch
Erection has a medicine bottle receiving hole, the upper casing and lower casing with pen core support periphery clamp, the scale set is located in upper casing through hole,
The upper casing through-hole wall of upper casing is raised provided with sliding, and scale set periphery is provided with the sliding projection being connected with the raised sliding of sliding, institute
State scale set to be sleeved on screw mandrel, be connected with wire rod thread, the screw mandrel is stretched into the medicine bottle receiving hole of pen core support, the silk
Bar is provided with axial screw mandrel groove, and the bottom land of axial screw mandrel groove is provided with unidirectional rack, and one end of pen core support, which has, stretches into axial silk
Positive stop hook in bar groove, positive stop hook is provided with the rack coordinated with unidirectional rack, and the end cap is installed on the another of pen core support
End.
The periphery of the pen core support is provided with upper casing clamp projection, and upper casing is provided with the upper casing card holding trough of radial direction, upper casing card
Dress projection is installed in upper casing card holding trough.
The periphery of the pen core support is provided with lower casing clamp projection, and lower casing is provided with the lower casing card holding trough of radial direction, lower casing card
Dress projection is installed in lower casing card holding trough.
The other end of the pen core support is provided with toothed taper hole, and one end of end cap has the toothed cone coordinated with taper hole
Head.
The end face of the pen core support is provided with the first limiting tooth, the contact surface of the scale set and the end face of pen core support
It is provided with the second limiting tooth.
One end of the scale set has internal thread segment, and internal thread segment is connected with wire rod thread.
Also include button, the button is fixedly connected on the other end of scale set.
Also include syringe needle, the other end of the end cap is male end, and syringe needle is threadedly coupled with male end.
Provided with circumferential upper casing scale viewing area at lower casing on the upper casing, the other end of the scale set is provided with
The scale viewing area of axial direction.
After said structure, lower casing of the present utility model not only acts as the defencive function to syringe needle, or being driven
Beginning part.The bottleneck of clamped bottle is stuck on end cap, and clamped bottle is placed in the medicine bottle receiving hole of pen core support, then by end cap card
Mounted in pen core bracket end so that clamped bottle is fixed, while also enabling subsequent action accurately safe progress.During injection,
Lower casing can be rotated, lower casing drives pen core support is equidirectional to rotate, and pen core support drives screw mandrel is equidirectional to rotate, and screw mandrel will band
Dynamic scale set does ascending motion, and the scale of operating personnel's observation scale set, when dosage needed for rising to user, presses screw mandrel,
Then screw mandrel is kept straight on downwards, and then is propped up the pushing block in clamped bottle and injected, and injection precision is high.
The utility model is set because the bottom land of the axial screw mandrel groove of screw mandrel is provided with unidirectional rack, the positive stop hook of pen core support
There is the rack coordinated with unidirectional rack, can not be lifted after screw mandrel declines extruding decoction, it is impossible to retract original position, therefore this practicality is new
Type is disposable syringe, safe and reliable.And rotating to be of covering of screw mandrel and scale is threadedly coupled, and can observe scale set
Scale injection dosage, injection precision is high, and simple in construction, assembling is reliable.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is Fig. 1 A-A sectional views；
Fig. 3 is Fig. 1 explosive view；
Fig. 4 is upper casing sectional view in Fig. 2；
Fig. 5 is scale set schematic diagram in Fig. 3；
Fig. 6 is Fig. 5 B-B sectional views；
Fig. 7 is pen core support schematic diagram in Fig. 3；
Fig. 8 is Fig. 7 stereogram；
Fig. 9 is end cap schematic diagram in Fig. 3；
Figure 10 is screw mandrel schematic diagram in Fig. 3.
Embodiment
The utility model is described in further detail below in conjunction with the embodiment that accompanying drawing is provided.
Referring to shown in Fig. 1-10, disposable adjustable syringe, including scale cover 1, screw mandrel 2, upper casing 3, pen core support 4, end
Lid 5 and lower casing 6, the upper casing 3 are provided with upper casing through hole 31, and lower casing 6 is provided with lower casing through hole 61, and pen core support 4 is accommodated provided with medicine bottle
Hole 44, the upper casing 3 and lower casing 6 with the periphery clamp of pen core support 4, the scale set 1 is located in upper casing through hole 31, upper casing 3
The inwall of upper casing through hole 31 provided with sliding projection 311, scale covers 1 periphery and is provided with and the limit convex that is connected of sliding of sliding projection 311
Block 13, the scale set 1 is sleeved on screw mandrel 2, is threadedly coupled with screw mandrel 2, and the medicine bottle that the screw mandrel 2 stretches into pen core support 4 holds
Receive in hole 44, the screw mandrel 2 is provided with axial screw mandrel groove 21, the bottom land of axial screw mandrel groove 21 is provided with unidirectional rack 22, pen core branch
One end of frame 4 has the positive stop hook 41 stretched into axial screw mandrel groove 21, and positive stop hook 41 is provided with the tooth coordinated with unidirectional rack 22
Bar 411, the end cap 5 is installed on the other end of pen core support 4.
Referring to shown in Fig. 4,7,8, in order to install upper casing 3, and firmly install.The periphery of the pen core support 4 is provided with upper
Shell clamp projection 42, upper casing 3 is provided with the upper casing card holding trough 32 of radial direction, and upper casing clamp projection 42 is installed on upper casing card holding trough 32
It is interior.
Referring to shown in Fig. 3,7,8, in order to install lower casing 6, and firmly install.The periphery of the pen core support 4 is provided with down
Shell clamp projection 43, lower casing 6 is provided with the lower casing card holding trough 62 of radial direction, and lower casing clamp projection 43 is installed on lower casing card holding trough 62
It is interior.
Referring to shown in Fig. 7,8,9, the other end of the pen core support 4 is provided with toothed taper hole 45, and one end of end cap 5 has
The toothed conehead 51 coordinated with taper hole 45.End cap 5 is convenient to mount and dismount, and fixation, so as to so that on end cap 5
The fixation of clamped bottle 9, will not rock so that injection precision improve.
Referring to shown in Fig. 5,6,7,8, the end face of the pen core support 4 is provided with the first limiting tooth 46, the scale set 1 with
The contact surface of the end face of pen core support 4 is provided with the second limiting tooth 11.When operating personnel rotate lower casing 6, pen core support 4 is rotated
During, the first limiting tooth 46 coordinates with the second limiting tooth 11, rotates a number of teeth, will accurately show in the periphery of upper casing 3
Show, improve injection precision.
Referring to shown in Fig. 5,6,10, one end of the scale set 1 has internal thread segment 12, internal thread segment 12 and the spiral shell of screw mandrel 2
Line is connected.So when screw mandrel 2 is rotated, scale set 1 due to being limited rotations by upper casing 3, scale cover 1 can only do rise or
Down maneuver.
Referring to shown in Fig. 1,2,3, in order that operating personnel are using comfortable, in addition to button 7, the button 7 is fixedly connected
On the other end that scale covers 1.
Referring to shown in Fig. 2,3, in addition to syringe needle 8, the other end of the end cap 5 is male end 52, syringe needle 8 and external screw thread
End 52 is threadedly coupled.Syringe needle 8 has internal thread hole, with the fixation of end cap 5, is convenient to mount and dismount, and improves injection efficiency.
Referring to shown in Fig. 1,3,5, provided with circumferential upper casing scale viewing area 39, institute at lower casing 6 on the upper casing 3
State scale viewing area 19 of the other end provided with axial direction of scale set 1.Upon injection, it is necessary to rotate lower casing 6, lower casing 6 and upper casing 3
Between relatively rotate, drive scale set 1 rise.Now operating personnel can observe the He of upper casing scale viewing area 39 of upper casing 3
The scale change that the scale viewing area 19 of lower casing 6 is shown, the actual push-in stroke of medicament is equal to the scale of upper casing 3 plus scale set 1
The scale of rising, further improves the accuracy of injection.
The bottleneck of clamped bottle 9 in use, be installed on end cap 5 by the utility model first, then by end cap 5 by toothed
Conehead 51 is installed on the taper hole 45 of the other end of pen core support 4, and clamped bottle 9 is placed in the medicine bottle receiving hole 44 of pen core support 4,
Make the fixation of clamped bottle 9, while also enabling subsequent action accurately safe progress.
Lower casing 6 of the present utility model not only acts as the protection to syringe needle 8 and dust reduction capability, or the initial part being driven.
During injection, lower casing 6 can be rotated, because lower casing 6 is provided with the lower casing card holding trough 62 of radial direction, the lower casing clamp of pen core support 4 is convex
Block 43 is installed in lower casing card holding trough 62, therefore lower casing 6 drives pen core support 4 is equidirectional to rotate.Again due to the one of pen core support 4
End is with the positive stop hook 41 stretched into the axial screw mandrel groove 21 of screw mandrel 2, therefore pen core support 4 drives screw mandrel 2 is equidirectional to rotate.Carve
Degree set 1 is sleeved on screw mandrel 2, is threadedly coupled with screw mandrel 2, therefore screw mandrel 2 will drive scale set 1 to do ascending motion, operator
Member can observe the scale of scale set 1, when dosage needed for rising to user, press button 7, screw mandrel 2 is in axial screw mandrel groove 21
Kept straight on downwards under guide effect, and then prop up the pushing block 10 in clamped bottle 9 and injected.
The utility model due to the axial screw mandrel groove 21 of screw mandrel 2 bottom land be provided with unidirectional rack 22, pen core support 4 it is spacing
Hook 41 is provided with the rack 411 coordinated with unidirectional rack 22, can not be lifted after screw mandrel 2 declines extruding decoction, it is impossible to retract original
Position, therefore the utility model is disposable syringe, it is safe and reliable.And the screw thread that rotates to be that screw mandrel 2 covers 1 with scale connects
Connect, the scale injection dosage of scale set 1 can be observed, injection precision is high, simple in construction, and assembling is reliable.
Above-described is only preferred embodiment of the present utility model, it is noted that for the ordinary skill of this area
For personnel, on the premise of the utility model creation design is not departed from, various modifications and improvements can be made, these all belong to
In protection domain of the present utility model.
Claims (9)
1. a kind of disposable adjustable syringe, it is characterised in that：Including scale set（1）, screw mandrel（2）, upper casing（3）, pen core support
（4）, end cap（5）And lower casing（6）, the upper casing（3）Provided with upper casing through hole（31）, lower casing（6）Provided with lower casing through hole（61）, pen core
Support（4）Provided with medicine bottle receiving hole（44）, the upper casing（3）With lower casing（6）With pen core support（4）Periphery clamp, the quarter
Degree set（1）Positioned at upper casing through hole（31）It is interior, upper casing（3）Upper casing through hole（31）Inwall is raised provided with sliding（311）, scale set
（1）Periphery is provided with raised with sliding（311）Slide the sliding projection of connection（13）, the scale set（1）It is sleeved on screw mandrel（2）
On, with screw mandrel（2）Threaded connection, the screw mandrel（2）Stretch into pen core support（4）Medicine bottle receiving hole（44）It is interior, the screw mandrel（2）
Provided with axial screw mandrel groove（21）, axial screw mandrel groove（21）Bottom land be provided with unidirectional rack（22）, pen core support（4）One end tool
Stretch into axial screw mandrel groove（21）Interior positive stop hook（41）, positive stop hook（41）It is provided with and unidirectional rack（22）The rack of cooperation
（411）, the end cap（5）It is installed on pen core support（4）The other end.
2. disposable adjustable syringe according to claim 1, it is characterised in that：The pen core support（4）Periphery set
There is upper casing clamp projection（42）, upper casing（3）It is provided with the upper casing card holding trough of radial direction（32）, upper casing clamp projection（42）It is installed on
Shell card holding trough（32）It is interior.
3. disposable adjustable syringe according to claim 1, it is characterised in that：The pen core support（4）Periphery set
There is lower casing clamp projection（43）, lower casing（6）It is provided with the lower casing card holding trough of radial direction（62）, lower casing clamp projection（43）It is installed on down
Shell card holding trough（62）It is interior.
4. disposable adjustable syringe according to claim 1, it is characterised in that：The pen core support（4）The other end
Provided with toothed taper hole（45）, end cap（5）One end have and taper hole（45）The toothed conehead coordinated（51）.
5. disposable adjustable syringe according to claim 1, it is characterised in that：The pen core support（4）End face on
Provided with the first limiting tooth（46）, the scale set（1）With pen core support（4）End face contact surface be provided with the second limiting tooth
（11）.
6. disposable adjustable syringe according to claim 1, it is characterised in that：The scale set（1）One end have
Internal thread segment（12）, internal thread segment（12）With screw mandrel（2）Threaded connection.
7. disposable adjustable syringe according to claim 1, it is characterised in that：Also include button（7）, the button
（7）It is fixedly connected on scale set（1）The other end on.
8. disposable adjustable syringe according to claim 1, it is characterised in that：Also include syringe needle（8）, the end cap
（5）The other end be male end（52）, syringe needle（8）With male end（52）Threaded connection.
9. disposable adjustable syringe according to claim 1, it is characterised in that：The upper casing（3）Upper close lower casing（6）
Place is provided with circumferential upper casing scale viewing area（39）, the scale set（1）The other end provided with axial direction scale viewing area
（19）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621086994.4U CN206372353U (en) | 2016-09-28 | 2016-09-28 | A kind of disposable adjustable syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621086994.4U CN206372353U (en) | 2016-09-28 | 2016-09-28 | A kind of disposable adjustable syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206372353U true CN206372353U (en) | 2017-08-04 |
Family
ID=59402915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621086994.4U Active CN206372353U (en) | 2016-09-28 | 2016-09-28 | A kind of disposable adjustable syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206372353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106267475A (en) * | 2016-09-28 | 2017-01-04 | 江苏德尔福医疗器械有限公司 | Disposable adjustable syringe |
-
2016
- 2016-09-28 CN CN201621086994.4U patent/CN206372353U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106267475A (en) * | 2016-09-28 | 2017-01-04 | 江苏德尔福医疗器械有限公司 | Disposable adjustable syringe |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |