CN215309193U - Insulin injection pen convenient to control injection volume - Google Patents
Insulin injection pen convenient to control injection volume Download PDFInfo
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- CN215309193U CN215309193U CN202022755790.8U CN202022755790U CN215309193U CN 215309193 U CN215309193 U CN 215309193U CN 202022755790 U CN202022755790 U CN 202022755790U CN 215309193 U CN215309193 U CN 215309193U
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- main body
- outer side
- driven gear
- protective cover
- medicine cylinder
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Abstract
The utility model discloses an insulin injection pen convenient for controlling injection quantity, which comprises a main body and a threaded end, wherein an anti-skidding sleeve is arranged at the upper part of the outer side of the main body, the middle part of the inner side of the main body is connected with a driven gear disc through a connecting sleeve, a threaded push rod is arranged at the inner side of the driven gear disc, a driving disc is arranged at the outer side of the driven gear disc, an observation window is arranged at the middle part of the outer side of the main body, a medicine cylinder is arranged at the lower part of the inner side of the main body, a piston is connected with the inner side of the medicine cylinder, scale marks are arranged at the outer side of the medicine cylinder, the threaded end is connected to the lower end of the medicine cylinder, a needle head is connected to the outer side of the threaded end, a protective cover is arranged at the lower end of the main body, a clamping ring is arranged at the outer side of the protective cover, a fixing plate is arranged at the middle part of the inner side of the protective cover, and a telescopic sleeve is connected to the lower end of the fixing plate. This insulin injection pen convenient to control injection volume is provided with the screw thread push rod, has made things convenient for the accurate control to the injection volume.
Description
Technical Field
The utility model relates to the technical field of insulin injection devices, in particular to an insulin injection pen convenient for controlling injection quantity.
Background
After diabetes is diagnosed, many people can select insulin treatment, after a period of accommodation, doctors can set a complete insulin injection scheme for the patients, the patients can control blood sugar by completing insulin injection according to the scheme every day at a set time, and the insulin injection is usually completed by using an insulin injection pen.
Simple structure in the insulin injection pen use on the market, inconvenient accurate control injection volume, and the change of syringe needle is inconvenient, and the outside of syringe needle does not set up protector to also not good control the depth of insertion of syringe needle when the injection, the use of giving people has brought troublesome problem, for this reason, we provide an insulin injection pen convenient to control injection volume.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an insulin injection pen convenient for controlling injection quantity, and aims to solve the problems that the insulin injection pen provided by the background art is simple in structure, inconvenient and accurate in controlling injection quantity, inconvenient in replacing a needle head, free of a protection device on the outer side of the needle head, and inconvenient for people to use due to the fact that the insertion depth of the needle head is not well controlled during injection.
In order to achieve the purpose, the utility model provides the following technical scheme: an insulin injection pen convenient for controlling injection amount comprises a main body and a threaded end, wherein the upper part of the outer side of the main body is provided with an anti-slip sleeve, and the middle part of the inner side of the main body is connected with a driven gear disc through a connecting sleeve, the inner side of the driven gear disc is provided with a threaded push rod, and the outer side of the driven gear disc is provided with a driving disc, the middle part of the outer side of the main body is provided with an observation window, a medicine cylinder is arranged at the lower part of the inner side of the main body, the inner side of the medicine cylinder is connected with a piston, the outer side of the medicine cylinder is provided with scale marks, the threaded end is connected with the lower end of the medicine cylinder, and the outer side of the threaded end is connected with a needle head, the lower end of the main body is provided with a protective cover, the outer side of the protective cover is provided with a clamping ring, the outer side of the retainer ring is provided with a pen cap, the middle part of the inner side of the protective cover is provided with a fixed plate, and the lower end of the fixed plate is connected with a telescopic sleeve, and the outer side of the upper part of the telescopic sleeve is provided with a spring.
Preferably, the driven gear disc is movably connected with the connecting sleeve, and the driven gear disc is in meshed connection with the driving disc.
Preferably, the piston and the medicine cylinder form a movable structure through a threaded push rod, and the threaded push rod is in meshed connection with the driven gear disc.
Preferably, the needle head and the medicine cylinder form a movable structure through a threaded end, and the medicine cylinder is fixedly bonded with the main body.
Preferably, be swing joint between pen socket and the protection casing, and be swing joint between protection casing and the main part.
Preferably, the telescopic sleeve forms a movable structure with the protective cover through a spring, and the telescopic sleeve is fixedly connected with the fixed plate.
Compared with the prior art, the utility model has the beneficial effects that:
the driven gear disc of the insulin injection pen convenient for controlling the injection amount is movably connected with the connecting sleeve, the driven gear disc is in meshed connection with the driving disc, the driven gear disc is convenient to position and install on the inner side of the main body through the connecting sleeve, the driven gear disc can rotate independently, the thread push rod is convenient to drive, the driven gear disc can rotate along with the driving disc through a meshed connection structure between the driving disc and the driven gear disc, the thread push rod can be driven through pushing of a thumb when the insulin injection pen is used, and therefore convenience of the insulin injection pen is improved; simultaneously the piston passes through the screw thread push rod and constitutes the active structure with the cartridge case, and is connected for the interlock between screw thread push rod and the driven gear dish, through the interlock connection structure between screw thread push rod and the driven gear dish, has made things convenient for the transmission of driven gear dish to the screw thread push rod to through the connection of piston, under the promotion of screw thread push rod, compress the space in the cartridge case, thereby made things convenient for the accurate control to the injection volume.
This syringe needle convenient to insulin injection pen of control injection volume passes through the screw thread end and constitutes the active structure with the cartridge case, and for fixed bonding between cartridge case and the main part, the cartridge case is made for transparent material, make its inside dose become visual, and under the setting of scale mark, the observation of injection volume has been made things convenient for through the observation window, and through the fixed bonding between cartridge case and the main part, the fastness of this injection molding pen inner structure has been improved, and the setting of screw thread end, then made things convenient for swing joint between syringe needle part and the cartridge case, thereby change for the syringe needle later stage provides convenience.
The pen cap and the protective cover of the insulin injection pen convenient for controlling the injection amount are movably connected, the protective cover is movably connected with the main body, the connecting part of the needle head is effectively protected through the arrangement of the protective cover, the protective cover is convenient to detach through the movable connecting structure between the protective cover and the main body, and the end part of the needle head is effectively protected through the arrangement of the pen cap, so that the pollution of the end part is prevented; meanwhile, the telescopic sleeve and the protective cover form a movable structure through the spring, the telescopic sleeve and the fixed plate are fixedly connected, and the telescopic sleeve can freely stretch out and draw back on the protective cover under the action of the spring, so that the depth of the needle penetrating into the skin can be effectively controlled, and the safety of the injection pen is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the main body of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
fig. 4 is an enlarged schematic structural diagram of the position B in fig. 2 according to the present invention.
In the figure: 1. a main body; 2. an anti-slip sleeve; 3. connecting sleeves; 4. a driven gear plate; 5. a threaded push rod; 6. a drive disc; 7. an observation window; 8. a cartridge; 9. a piston; 10. scale lines; 11. a threaded end; 12. a needle head; 13. a protective cover; 14. a collar; 15. a pen cap; 16. a fixing plate; 17. a telescopic sleeve; 18. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an insulin injection pen convenient for controlling injection amount comprises a main body 1 and a thread end 11, wherein the upper part of the outer side of the main body 1 is provided with an anti-skidding sleeve 2, the middle part of the inner side of the main body 1 is connected with a driven gear disc 4 through a connecting sleeve 3, the inner side of the driven gear disc 4 is provided with a thread push rod 5, the outer side of the driven gear disc 4 is provided with a driving disc 6, the middle part of the outer side of the main body 1 is provided with an observation window 7, the lower part of the inner side of the main body 1 is provided with a medicine cylinder 8, the inner side of the medicine cylinder 8 is connected with a piston 9, the outer side of the medicine cylinder 8 is provided with a scale mark 10, the thread end 11 is connected with the lower end of the medicine cylinder 8, the outer side of the thread end 11 is connected with a needle head 12, the lower end of the main body 1 is provided with a protective cover 13, the outer side of the protective cover 13 is provided with a clamping ring 14, the outer side of the clamping ring 14 is provided with a pen sleeve 15, the middle part of the inner side of the protective cover 13 is provided with a fixing plate 16, and the lower end of the fixing plate 16 is connected with a telescopic sleeve 17, a spring 18 is arranged at the outer side of the upper part of the telescopic sleeve 17;
the driven gear disc 4 is movably connected with the connecting sleeve 3, the driven gear disc 4 is in meshed connection with the driving disc 6, the driven gear disc 4 is convenient to position and mount on the inner side of the main body 1 through the connecting sleeve 3, the driven gear disc 4 can independently rotate, the threaded push rod 5 is convenient to drive, the driven gear disc 4 can rotate along with the driving disc 6 through a meshed connection structure between the driving disc 6 and the driven gear disc 4, the threaded push rod 5 can be driven through pushing of a thumb when the injection pen is used, and therefore convenience of the injection pen is improved;
the piston 9 forms a movable structure with the medicine cylinder 8 through the threaded push rod 5, the threaded push rod 5 is in meshed connection with the driven gear disc 4, the driven gear disc 4 is convenient to drive the threaded push rod 5 through the meshed connection structure between the threaded push rod 5 and the driven gear disc 4, and the space in the medicine cylinder 8 is compressed under the pushing of the threaded push rod 5 through the connection of the piston 9, so that the accurate control of the injection amount is facilitated;
the needle head 12 and the medicine cylinder 8 form a movable structure through the threaded end 11, the medicine cylinder 8 and the main body 1 are fixedly bonded, the medicine cylinder 8 is made of transparent materials, the medicine amount in the medicine cylinder becomes visible, the observation of the injection amount is facilitated through the observation window 7 under the arrangement of the scale marks 10, the firmness of the internal structure of the injection molding pen is improved through the fixed bonding between the medicine cylinder 8 and the main body 1, the movable connection between the needle head 12 and the medicine cylinder 8 is facilitated through the arrangement of the threaded end 11, and therefore convenience is provided for the later-stage replacement of the needle head 12;
the pen cap 15 is movably connected with the protective cover 13, the protective cover 13 is movably connected with the main body 1, the connecting part of the needle head 12 is effectively protected through the arrangement of the protective cover 13, the protective cover 13 is convenient to detach through a movable connecting structure between the protective cover 13 and the main body 1, and the end part of the needle head 12 is effectively protected through the arrangement of the pen cap 15, so that the pollution of the end part is prevented;
the telescopic sleeve 17 and the protective cover 13 form a movable structure through the spring 18, the telescopic sleeve 17 is fixedly connected with the fixed plate 16, and the telescopic sleeve 17 can freely stretch and retract on the protective cover 13 under the action of the spring 18, so that the depth of the needle 12 penetrating into the skin can be effectively controlled, and the safety of the injection pen is improved.
The working principle is as follows: for the insulin injection pen convenient for controlling the injection amount, firstly, the driven gear disc 4 is arranged at the inner side of the main body 1 through the connecting sleeve 3, the thread push rod 5 is meshed with the driven gear disc 4 through the thread, the transmission of the thread push rod 5 by the driven gear disc 4 is facilitated, the driving disc 6 is meshed at the outer side of the driven gear disc 4 through the tooth socket, under the connection of the driving disc 6, the pushing of the thread push rod 5 can be completed through the pushing of the thumb, so that the space in the medicine cylinder 8 is compressed, the injection amount can be accurately controlled by referring to the scale mark 10 outside the medicine cylinder 8, the needle head 12 is movably connected at the lower end of the medicine cylinder 8, the later-stage replacement is facilitated through the movable connecting structure of the needle head 12, the protective cover 13 is connected with the main body 1 after the needle head 12 is connected, so as to protect the connecting part of the needle head 12, the telescopic sleeve 17 is movably connected at the middle part of the protective cover 13, and the telescopic sleeve 17 can freely stretch under the action of the spring 18, so that the depth of the needle 12 penetrating into the skin can be effectively controlled, the safety of the injection pen is improved, and the whole using process of the insulin injection pen convenient for controlling the injection amount is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An insulin injection pen convenient to control injection volume, includes main part (1) and screw thread end (11), its characterized in that: the anti-skidding type medicine taking device is characterized in that an anti-skidding sleeve (2) is arranged on the upper portion of the outer side of the main body (1), the middle portion of the inner side of the main body (1) is connected with a driven gear disc (4) through a connecting sleeve (3), a thread push rod (5) is arranged on the inner side of the driven gear disc (4), a driving disc (6) is arranged on the outer side of the driven gear disc (4), an observation window (7) is arranged in the middle portion of the outer side of the main body (1), a medicine cylinder (8) is arranged on the lower portion of the inner side of the main body (1), a piston (9) is connected to the inner side of the medicine cylinder (8), scale marks (10) are arranged on the outer side of the medicine cylinder (8), a thread end (11) is connected to the lower end of the medicine cylinder (8), a needle head (12) is connected to the outer side of the thread end (11), a protective cover (13) is installed on the lower end of the main body (1), and a clamping ring (14) is arranged on the outer side of the protective cover (13), a pen cap (15) is arranged on the outer side of the clamping ring (14), a fixing plate (16) is arranged in the middle of the inner side of the protective cover (13), a telescopic sleeve (17) is connected to the lower end of the fixing plate (16), and a spring (18) is arranged on the outer side of the upper portion of the telescopic sleeve (17).
2. An insulin injection pen for facilitating the control of the injection quantity according to claim 1, wherein: the driven gear disc (4) is movably connected with the connecting sleeve (3), and the driven gear disc (4) is connected with the driving disc (6) in a meshing manner.
3. An insulin injection pen for facilitating the control of the injection quantity according to claim 1, wherein: the piston (9) and the medicine cylinder (8) form a movable structure through the threaded push rod (5), and the threaded push rod (5) is in meshed connection with the driven gear disc (4).
4. An insulin injection pen for facilitating the control of the injection quantity according to claim 1, wherein: the needle head (12) and the medicine cylinder (8) form a movable structure through a threaded end (11), and the medicine cylinder (8) is fixedly bonded with the main body (1).
5. An insulin injection pen for facilitating the control of the injection quantity according to claim 1, wherein: the pen cap (15) is movably connected with the protective cover (13), and the protective cover (13) is movably connected with the main body (1).
6. An insulin injection pen for facilitating the control of the injection quantity according to claim 1, wherein: the telescopic sleeve (17) and the protective cover (13) form a movable structure through a spring (18), and the telescopic sleeve (17) is fixedly connected with the fixed plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022755790.8U CN215309193U (en) | 2020-11-25 | 2020-11-25 | Insulin injection pen convenient to control injection volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022755790.8U CN215309193U (en) | 2020-11-25 | 2020-11-25 | Insulin injection pen convenient to control injection volume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215309193U true CN215309193U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022755790.8U Active CN215309193U (en) | 2020-11-25 | 2020-11-25 | Insulin injection pen convenient to control injection volume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215309193U (en) |
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2020
- 2020-11-25 CN CN202022755790.8U patent/CN215309193U/en active Active
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