CN204766873U - A lot of used repeatedly's of adjustable dosage injection pen - Google Patents
A lot of used repeatedly's of adjustable dosage injection pen Download PDFInfo
- Publication number
- CN204766873U CN204766873U CN201520400356.4U CN201520400356U CN204766873U CN 204766873 U CN204766873 U CN 204766873U CN 201520400356 U CN201520400356 U CN 201520400356U CN 204766873 U CN204766873 U CN 204766873U
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- China
- Prior art keywords
- chaste tree
- axle sleeve
- tooth
- injection pen
- repeatedly used
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- Withdrawn - After Issue
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Abstract
The utility model discloses a lot of used repeatedly's of adjustable dosage injection pen, including external button, the button axle sleeve, two -way chaste tree wheel, the knob, the calibrated scale, the internal thread cover, rotatory chaste tree claw, rotatory axostylus axostyle, the chaste tree rim plate, the epitheca, the pen couple, screwed joint, the clutch sub, separation and reunion chaste tree wheel, the lead screw, brake spring, refill support and inferior valve, the manual rotatory knob of one end suit of external button drives rotatory chaste tree claw rotation, because including the shelves point of rotatory chaste tree claw through 3 different specifications agrees with completely in the thread bush, when rotatory chaste tree claw rotates, can only rise according to the helix of internal thread cover is rotatory completely, the calibrated scale is also rotatory ascending simultaneously, just can observe the scale through the perspective window is changing, constantly rotatory knob is up to being the volume that will inject to the scale of pointer just. The utility model has the advantages of product cost is low, injection dosage is adjustable, the injection precision is high, drive mechanism is simple, small, portable, can used repeatedly, the injection system of simple, convenience, precise and quantitative, low cost is provided for the patient.
Description
Technical field
This utility model relates to medical treatment, beauty treatment and other associated biomolecule sciemtifec and technical spheres, particularly relates to a kind of injection pen repeatedly used of adjustable dosage.
Background technology
Existing injection technique is divided into two kinds substantially: a kind of injection needles pipe being medical personnel's routine and using, this injection system needs in hospital, to complete injection under the monitoring of medical personnel, be be injected into human body by disposable for the injection of larger dose, be applicable to the conventional therapy of patient inside and outside institute; Another is the special injection pen of insulin of external import, and specially for diabetics, this injection pen price is higher.
For some especial patients, such as diabetics, hepatitis etc. clinically, need insulin injection, interferon, auxin, vaccine etc., its injected dose precise requirements is high especially, and requires that patient oneself can inject in most cases.And aforesaid injection technique can not meet the self administer needs of the patient such as diabetics, hepatitis, and be not easy to carry; The insulin injection pen of rear a kind of external production, production cost is high, price, adds the burden of patient.
Utility model content
The purpose of this utility model is: for above-mentioned Problems existing, provides a kind of injection pen repeatedly used of adjustable dosage.
This utility model solves the technical scheme that its technical problem adopts:
A kind of injection pen repeatedly used of adjustable dosage, comprise external button, button axle sleeve, chaste tree axle sleeve, two-way chaste tree wheel, knob, graduated disc, inner screw sheath, rotate chaste tree pawl, rotary shaft, chaste tree wheel disc, upper casing, nipple, clutch sub, clutch chaste tree is taken turns, screw mandrel, brake spring, pen core support and lower casing, one end of described external button is sleeved in button axle sleeve, button spring is set with at described external button and button axle sleeve junction, the tooth on described two-way chaste tree wheel top is meshed with the tooth of chaste tree axle sleeve bottom, described chaste tree axle sleeve, button axle sleeve and two-way chaste tree wheel are arranged on and rotate in chaste tree pawl, the tooth of described two-way chaste tree wheel bottom is meshed with the tooth rotating chaste tree pawl interior lower end, inner screw sheath is set with outside described rotation chaste tree pawl, be provided with in inner screw sheath and the helix rotating chaste tree pawl and match, described inner screw sheath is arranged in graduated disc, graduated disc is arranged in upper casing, the upper end of graduated disc is provided with knob, described rotary shaft is arranged on and rotates in chaste tree pawl, the tooth that the tooth of rotary shaft bottom takes turns top by pen core spring, chaste tree wheel disc, movable chaste tree wheel, clutch sub, brake spring with clutch chaste tree agrees with mutually, described clutch chaste tree wheel is arranged on screw mandrel, the lower end of screw mandrel is connected with piston by screw mandrel buckle, described pen core support is connected with upper casing by nipple, described lower shell is contained on pen core support, and described upper casing is also provided with window.
Further, the lower end of described chaste tree axle sleeve is provided with chaste tree tooth, and the inwall of chaste tree axle sleeve is provided with draw-in groove guiding rib.
Further, described rotary shaft outer wall has two symmetrical draw-in grooves, lower end is provided with chaste tree tooth.
Further, described two-way chaste tree wheel inwall is provided with draw-in groove guiding rib.
Further, described inner screw sheath inwall is provided with the helicla flute of at least one specification, lower end is provided with the limited bayonet of at least one specification.
Further, the outer wall lower end of described rotation chaste tree pawl is provided with the helicla flute fixture block of at least one specification, lower surface is provided with 3 chaste tree pawls.
Further, described chaste tree wheel disc upper end is provided with and the bevelled gathering sill of band rotating chaste tree pawl lower end chaste tree pawl and match.
Further, the inwall of described nipple is provided with the axial location groove matched with clutch sub outer wall gathering sill.
Further, the inside of described clutch sub is provided with the female thread matched with screw mandrel, and the upper end of clutch sub is provided with takes turns with clutch chaste tree the back-off matched.
Further, described clutch chaste tree wheel upper end is provided with chaste tree tooth, and inner hole wall is provided with the fixture block matched with screw mandrel draw-in groove.
Further, described screw mandrel is provided with external screw thread, and outer wall is provided with two clamp bar slots.
Further, described graduated disc is set with the spiral scale of 0 ~ 60.
In sum, owing to adopting technique scheme, the beneficial effects of the utility model are:
This utility model has that product cost is low, injected dose is adjustable, injection precision is high, drive mechanism is simple, volume is little, be easy to carry, the advantage such as can to reuse; for the patient depending on subcutaneous administrations disease therapy for a long time provide simply, the injection system of convenience, accurate quantification, low cost; in use can forward and reversely repeatedly regulate; the control of injected dose is more accurate; on upper casing, be provided with pen hanger simultaneously; the overall appearance of the form of a stroke or a combination of strokes is not only easy to carry, and contributes to the individual privacy protecting patient.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further illustrated.
Fig. 1 is decomposition texture schematic diagram of the present utility model;
Fig. 2 is general assembly structural representation of the present utility model;
Fig. 3 is the A place structure enlarged diagram of Fig. 2;
Fig. 4 is the B place structure enlarged diagram of Fig. 2;
Fig. 5 is the C place structure enlarged diagram of Fig. 2;
Fig. 6 is the D place structure enlarged diagram of Fig. 2;
Fig. 7 is pen core button drive mechanism structural representation of the present utility model;
Fig. 8 is chaste tree of the present utility model wheel and rotation chaste tree pawl drive mechanism structural representation;
Fig. 9 is female thread drive mechanism structural representation of the present utility model;
Figure 10 is rotary shaft of the present utility model and chaste tree wheel drive mechanism structural representation;
Figure 11 is pen core clutch structural representation of the present utility model;
Shown in figure: 1. external button, 2. button spring, 3. button axle sleeve, 4. chaste tree axle sleeve, 5. two-way chaste tree wheel, 6. knob, 7. graduated disc, 8. inner screw sheath, 9. rotate chaste tree pawl, 10. rotary shaft, 11. pen core springs, 12. chaste tree wheel discs, 13. movable chaste tree wheels, 14. windows, 15. upper casings, 16. pen hangers, 17. decorative circles, 18. nipples, 19. clutch subs, 20. brake springs, 21. clutch chaste tree wheels, 22. screw mandrels, 23. screw mandrel buckles, 24. pistons, 25. clamped bottles, 26. rubber closures, 27. pen core supports, 28. lower casings.
Detailed description of the invention
All features disclosed in this description, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this description (comprising any accessory claim, summary and accompanying drawing), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
As shown in Figure 1 to 11, a kind of injection pen repeatedly used of adjustable dosage, comprise external button 1, button axle sleeve 3, two-way chaste tree wheel 5, knob 6, graduated disc 7, inner screw sheath 8, rotate chaste tree pawl 9, rotary shaft 10, chaste tree wheel disc 12, upper casing 15, nipple 18, clutch sub 19, clutch chaste tree wheel 21, screw mandrel 22, brake spring 20, pen core support 27 and lower casing 28, one end of described external button 1 is sleeved in button axle sleeve 3, button spring 2 is set with button axle sleeve 3 junction at described external button 1, the tooth that described two-way chaste tree takes turns 5 tops is meshed with the tooth of chaste tree axle sleeve 4 bottom, described two-way chaste tree is taken turns 5 inwalls and is provided with draw-in groove guiding rib, described chaste tree axle sleeve 4, button axle sleeve 3 and two-way chaste tree wheel 5 are arranged on and rotate in chaste tree pawl 9, the lower end of described chaste tree axle sleeve 4 is provided with the chaste tree flank of tooth, the inwall of chaste tree axle sleeve 4 is provided with draw-in groove guiding rib, and the draw-in groove on chaste tree axle sleeve 4 and rotary shaft 10 liang of walls and the movable chaste tree fixture block of taking turns on 13 inwalls match and rotate, the tooth that described two-way chaste tree takes turns 5 bottoms is meshed with the tooth rotating chaste tree pawl 9 interior lower end, inner screw sheath 8 is set with outside described rotation chaste tree pawl 9, be provided with in inner screw sheath 8 and the helix rotating chaste tree pawl 9 and match, this helix is provided with 2 different specifications, and lower end is provided with the limited bayonet of 2 kinds of different sizes, described inner screw sheath 8 is arranged in graduated disc 7, and graduated disc 7 is arranged in upper casing 15, and the upper end of graduated disc 7 is provided with knob 6, graduated disc 7 is set with the spiral scale of 0-60, the outer wall lower end of described rotation chaste tree pawl 9 is provided with a kind of helicla flute fixture block of specification, lower surface is provided with 3 chaste tree pawls, described rotary shaft 10 is arranged on and rotates in chaste tree pawl 9, the tooth that the tooth of rotary shaft 10 bottom takes turns 21 tops by pen core spring 11, chaste tree wheel disc 12, movable chaste tree wheel 13, clutch sub 19, brake spring 20 with clutch chaste tree agrees with mutually, and described chaste tree wheel disc 12 upper end is provided with and the bevelled gathering sill of band rotating chaste tree pawl 9 lower end chaste tree pawl and match, described clutch chaste tree wheel 21 is arranged on screw mandrel 22, the lower end of screw mandrel 22 is connected with piston 24 by screw mandrel buckle 23, described screw mandrel 22 is provided with external screw thread, outer wall is provided with two clamp bar slots, described pen core support 27 is connected with upper casing 15 by nipple 18, decorative circle 17 is provided with between upper casing 15 and nipple 18, the inwall of described nipple 18 is provided with axial location groove and matches with the gathering sill of clutch sub 19 outer wall, the inside of described clutch sub 19 is provided with the female thread matched with screw mandrel 22 external screw thread, the upper end of clutch sub 19 is provided with takes turns 21 back-offs matched with clutch chaste tree, described lower casing 28 is sleeved on pen core support 27, described upper casing 15 is also provided with window 14 and pen hanger 16.
When this utility model uses, pull out lower casing 28 by hand, screw off pen core support 27, the rubber closure of 3mL standard clamped bottle is removed, medicinal liquid is made to load pen core support 27, rotary pen core support 27 and nipple 18 lower end threaded engagement are until revolve motionless, by the interoperation of clutch chaste tree wheel 21, brake spring 20, nipple 18, tooth and the clutch chaste tree of rotary shaft 10 lower end are taken turns end tooth on 21 and are meshed (when not having assembling caliper type bottle, due to the effect of brake spring 20, both are separated), then load onto special injection needles head, complete preparation.
Turn clockwise by hand the knob 6 at top, driven rotary chaste tree pawl 9 also turns clockwise simultaneously, in inner screw sheath 8 (inwall has the helix of 3 kinds of specifications) is agreed with completely by the shelves point of 2 different sizes owing to rotating chaste tree pawl 9, when rotating chaste tree pawl 9 and rotating, can only rotate according to the helix of inner screw sheath 8 completely and rise, the spiral scale of 0 ~ 60 is set in the same time above scale 7() also rotate rising, now just can observe scale in change by window 14, if when selected scale is just to pointer, so selected scale is exactly the amount of injection, if rotate over the scale of demand, just demand scale can be returned to as long as be rotated counterclockwise.
While knob 6 rotates, be arranged on the button axle sleeve 3 rotated in chaste tree pawl 9, chaste tree axle sleeve 4, two-way chaste tree wheel 5 and be arranged on external button 1 on button axle sleeve 3 owing to there is no external pressure, button spring 2 is not subject to power and is in free state, loose fit between button axle sleeve 3, chaste tree axle sleeve 4, two-way chaste tree wheel 5, the tooth that two-way chaste tree takes turns 5 bottoms agrees with mutually with the tooth rotating chaste tree pawl 9 interior lower end, the tooth spin friction that the tooth of chaste tree axle sleeve 4 bottom and two-way chaste tree take turns 5 tops sends the sound of " whip ", forms sound feedback and reminds consumer.
During injection, firmly press external button 1, chaste tree axle sleeve 4 times end teeth and two-way chaste tree take turns 5 top tooth compression fit, rotation chaste tree pawl 9 is forced to be rotated down counterclockwise by helix in inner screw sheath 8, driven rotary axostylus axostyle 10 is also rotated counterclockwise, take turns 21 combineds effect by pen core spring 11, chaste tree wheel disc 12, movable chaste tree wheel 13, clutch sub 19 and clutch chaste tree to force screw mandrel 22 to be rotated counterclockwise to move downward, thus promotion piston 24 moves downward, form injection, single maximum injection amount is 60u, and minimum step amount is 1u.
Above-described specific embodiment, further describes the purpose of this utility model, technical scheme and beneficial effect, and institute it should be understood that and the foregoing is only specific embodiment of the utility model, is not limited to this utility model.This utility model expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (12)
1. the injection pen repeatedly used of an adjustable dosage, it is characterized in that: comprise external button, button axle sleeve, chaste tree axle sleeve, two-way chaste tree wheel, knob, graduated disc, inner screw sheath, rotate chaste tree pawl, rotary shaft, chaste tree wheel disc, upper casing, nipple, clutch sub, clutch chaste tree is taken turns, screw mandrel, brake spring, pen core support and lower casing, one end of described external button is sleeved in button axle sleeve, button spring is set with at described external button and button axle sleeve junction, the tooth on described two-way chaste tree wheel top is meshed with the tooth of chaste tree axle sleeve bottom, described chaste tree axle sleeve, button axle sleeve and two-way chaste tree wheel are arranged on and rotate in chaste tree pawl, the tooth of described two-way chaste tree wheel bottom is meshed with the tooth rotating chaste tree pawl interior lower end, inner screw sheath is set with outside described rotation chaste tree pawl, be provided with in inner screw sheath and the helix rotating chaste tree pawl and match, described inner screw sheath is arranged in graduated disc, graduated disc is arranged in upper casing, the upper end of graduated disc is provided with knob, described rotary shaft is arranged on and rotates in chaste tree pawl, the tooth that the tooth of rotary shaft bottom takes turns top by pen core spring, chaste tree wheel disc, movable chaste tree wheel, clutch sub, brake spring with clutch chaste tree agrees with mutually, described clutch chaste tree wheel is arranged on screw mandrel, the lower end of screw mandrel is connected with piston by screw mandrel buckle, described pen core support is connected with upper casing by nipple, described lower shell is contained on pen core support, and described upper casing is also provided with window.
2. the injection pen repeatedly used of a kind of adjustable dosage according to claim 1, is characterized in that: the lower end of described chaste tree axle sleeve is provided with chaste tree tooth, and the inwall of chaste tree axle sleeve is provided with draw-in groove guiding rib.
3. the injection pen repeatedly used of a kind of adjustable dosage according to claim 1, is characterized in that: described rotary shaft outer wall has two symmetrical draw-in grooves, lower end is provided with chaste tree tooth.
4. the injection pen repeatedly used of a kind of adjustable dosage according to claim 1, is characterized in that: described two-way chaste tree wheel inwall is provided with draw-in groove guiding rib.
5. the injection pen repeatedly used of a kind of adjustable dosage according to claim 1, is characterized in that: the helicla flute described inner screw sheath inwall being provided with at least one specification, lower end is provided with the limited bayonet of at least one specification.
6. the injection pen repeatedly used of a kind of adjustable dosage according to claim 1, is characterized in that: the outer wall lower end of described rotation chaste tree pawl is provided with the helicla flute fixture block of at least one specification, lower surface is provided with 3 chaste tree pawls.
7. the injection pen repeatedly used of a kind of adjustable dosage according to claim 1, is characterized in that: described chaste tree wheel disc upper end is provided with and the bevelled gathering sill of band rotating chaste tree pawl lower end chaste tree pawl and match.
8. the injection pen repeatedly used of a kind of adjustable dosage according to claim 1, is characterized in that: the inwall of described nipple is provided with the axial location groove matched with clutch sub outer wall gathering sill.
9. the injection pen repeatedly used of a kind of adjustable dosage according to claim 1, is characterized in that: the inside of described clutch sub is provided with the female thread matched with screw mandrel, and the upper end of clutch sub is provided with takes turns with clutch chaste tree the back-off matched.
10. the injection pen repeatedly used of a kind of adjustable dosage according to claim 1, is characterized in that: described clutch chaste tree wheel upper end is provided with chaste tree tooth, and inner hole wall is provided with the fixture block matched with screw mandrel draw-in groove.
The injection pen repeatedly used of 11. a kind of adjustable dosages according to claim 1, it is characterized in that: described screw mandrel is provided with external screw thread, outer wall is provided with two clamp bar slots.
The injection pen repeatedly used of 12. a kind of adjustable dosages according to claim 1, is characterized in that: described graduated disc is set with the spiral scale of 0 ~ 60.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520400356.4U CN204766873U (en) | 2015-06-11 | 2015-06-11 | A lot of used repeatedly's of adjustable dosage injection pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520400356.4U CN204766873U (en) | 2015-06-11 | 2015-06-11 | A lot of used repeatedly's of adjustable dosage injection pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204766873U true CN204766873U (en) | 2015-11-18 |
Family
ID=54507011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520400356.4U Withdrawn - After Issue CN204766873U (en) | 2015-06-11 | 2015-06-11 | A lot of used repeatedly's of adjustable dosage injection pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204766873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105477745A (en) * | 2015-06-11 | 2016-04-13 | 江苏德尔福医疗器械有限公司 | Dose-adjustable reusable injection pen |
-
2015
- 2015-06-11 CN CN201520400356.4U patent/CN204766873U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105477745A (en) * | 2015-06-11 | 2016-04-13 | 江苏德尔福医疗器械有限公司 | Dose-adjustable reusable injection pen |
| CN105477745B (en) * | 2015-06-11 | 2022-03-25 | 江苏德尔福医疗器械有限公司 | Injection pen capable of adjusting dosage and being repeatedly used for multiple times |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Wujin District of Jiangsu city of Changzhou province Luoyang 213000 town Cen Village Patentee after: JIANGSU DELFU MEDICAL DEVICES CO., LTD. Address before: Wujin District of Jiangsu city of Changzhou province Luoyang 213000 town Cen Village Patentee before: CHANGZHOU DELFU TECHNOLOGY CO., LTD. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151118 Effective date of abandoning: 20220325 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20151118 Effective date of abandoning: 20220325 |