CN215840952U - Insulin pen with conveniently-detachable needle - Google Patents
Insulin pen with conveniently-detachable needle Download PDFInfo
- Publication number
- CN215840952U CN215840952U CN202120613199.0U CN202120613199U CN215840952U CN 215840952 U CN215840952 U CN 215840952U CN 202120613199 U CN202120613199 U CN 202120613199U CN 215840952 U CN215840952 U CN 215840952U
- Authority
- CN
- China
- Prior art keywords
- insulin pen
- rack
- main body
- cavity
- needle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229940127560 insulin pen Drugs 0.000 title claims abstract description 54
- 238000001125 extrusion Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000605 extraction Methods 0.000 abstract description 11
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 description 12
- 102000004877 Insulin Human genes 0.000 description 6
- 108090001061 Insulin Proteins 0.000 description 6
- 229940125396 insulin Drugs 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an insulin pen with a conveniently-detachable needle, which comprises an insulin pen main body, a device block and a needle main body, wherein threaded plates are arranged on two sides of the outer wall of the insulin pen main body, a threaded ring is sleeved on the outer wall of each threaded plate, a piston rod is arranged in the insulin pen main body, and the device block is arranged at the top end of the insulin pen main body. This insulin pen of syringe needle is dismantled to convenience, be connected with the meshing of gear respectively through first rack and second rack, make operating personnel press first rack and can drive the second rack and slide thereupon and leave the spacing inslot that corresponds and relieve spacing fixed to the syringe needle main part, continue to press first rack and make it extrude the hypotenuse of extrusion inslot on ejecting piece, can make ejecting piece upwards slide and go out the syringe needle main part from the inside extrusion of recess, thereby can accomplish contactless dismantlement, and can avoid the too big volume of causing of extraction range too much or suction part air.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to an insulin pen with a conveniently detachable needle.
Background
Exogenous insulin is one of the main ways of treating diabetes, and it mainly treats through the mode of injection, therefore need utilize injection device to inject in the in-service use process, and insulin pen is one of them comparatively commonly used, and traditional insulin pen can satisfy people's user demand basically, but still has certain problem, and specific problem is as follows:
1. when the existing insulin pen is used, a needle head of the existing insulin pen is generally installed in a clamping or threaded mode, so that when the existing insulin pen is detached, an operator needs to hold the needle head part, and the existing insulin pen is easy to be punctured;
2. when the existing insulin pen is used, when insulin is extracted, an operator needs to keep checking the scale part and operate the pen at the same time, certain operation skill is needed, and too large extraction amplitude is easy to cause too much insulin extraction amount or part of air is easily extracted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an insulin pen with a conveniently-detachable needle head, which aims to solve the problems that the needle head part of the existing insulin pen proposed in the background technology is inconvenient to detach and replace, and the extraction amplitude is easy to be overlarge when insulin is extracted.
In order to achieve the purpose, the utility model provides the following technical scheme: an insulin pen convenient for disassembling a needle head comprises an insulin pen main body, a device block and a needle head main body, wherein thread plates are arranged on two sides of the outer wall of the insulin pen main body, a thread ring is sleeved on the outer wall of each thread plate, a piston rod is arranged in the insulin pen main body, the device block is arranged at the top end of the insulin pen main body, a groove is formed in the top of the device block, a connecting pipe penetrating through the device block is arranged at the top end of the insulin pen main body, a first sealing ring is pasted on the outer side, close to the top end, of the connecting pipe, a needle head main body is arranged in the groove, a second sealing ring is pasted on the inner side wall of the needle head main body, limiting grooves are formed in two sides of the needle head main body, first cavities are reserved on two sides of the inner part of the device block, second cavities are reserved in the device block, far away from one side of the connecting pipe, fixing shafts are fixed at the middle positions of the two ends of the second cavities, and the outside cover of fixed axle is equipped with the gear, the inside bottom of keeping away from first cavity one side of second cavity has run through first rack, and first rack extends to the inside of first cavity, be connected with the second spring between first rack and the device piece, the inside top that is close to first cavity one side of second cavity has run through the second rack, and the second rack extends to the inside of spacing groove to be connected with the third spring between second rack and the device piece.
Preferably, the central axis of the threaded ring and the central axis of the insulin pen main body are coincident with each other, and the threaded ring and the threaded plate are in threaded connection.
Preferably, the bottom end of the piston rod is provided with an operation block, one side of the top of the operation block is provided with a mounting plate, and the top of the mounting plate, which is close to one side of the insulin pen main body, is fixed with a limiting block.
Preferably, an ejection block penetrates through the top inside the first cavity, a first spring is connected between the ejection block and the device block, and an extrusion groove is formed in one side, away from the connecting pipe, of the ejection block.
Preferably, the first rack is in meshed connection with the gear, and the first rack and the device block form a relative sliding structure.
Preferably, the second rack is in meshed connection with the gear, and the second rack and the device block form a relative sliding structure.
Compared with the prior art, the utility model has the beneficial effects that:
1. the first rack and the second rack are respectively connected with the gear in a meshed manner, so that an operator can press the first rack to drive the second rack to slide away from the corresponding limiting groove along with the first rack to remove the limiting fixation on the needle head main body, and continuously press the first rack to extrude the inclined edge in the extrusion groove on the ejection block, so that the ejection block can slide upwards to extrude the needle head main body out of the inside of the groove, and the non-contact disassembly can be completed;
2. through the threaded connection of threaded ring and screw plate for operating personnel can twist the threaded ring to assigned position department when extracting insulin, at the extraction in-process, can accomplish appointed volume when stopper on the mounting panel and threaded ring are spacing each other, thereby can avoid the too big too much or partial air of suction of volume that causes of extraction range.
Drawings
FIG. 1 is a schematic sectional front view of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at A according to the present invention;
FIG. 3 is an enlarged view of the structure at B of FIG. 1 according to the present invention;
FIG. 4 is a schematic front view of the present invention;
fig. 5 is a top cross-sectional view of the needle body of the present invention.
In the figure: 1. an insulin pen body; 2. a thread plate; 3. a threaded ring; 4. a piston rod; 5. an operation block; 6. mounting a plate; 7. a limiting block; 8. a device block; 9. a groove; 10. a connecting pipe; 11. a first seal ring; 12. a needle body; 13. a second seal ring; 14. a limiting groove; 15. a first cavity; 16. ejecting a block; 17. a first spring; 18. extruding a groove; 19. a second cavity; 20. a fixed shaft; 21. a gear; 22. a first rack; 23. a second spring; 24. a second rack; 25. and a third 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. 1-5, the present invention provides a technical solution: an insulin pen convenient for disassembling a needle comprises an insulin pen main body 1, a device block 8 and a needle main body 12, wherein thread plates 2 are arranged on two sides of the outer wall of the insulin pen main body 1, a thread ring 3 is sleeved on the outer wall of each thread plate 2, the central axis of each thread ring 3 is coincident with the central axis of the insulin pen main body 1, and the thread rings 3 are in threaded connection with the thread plates 2, so that an operator can adjust the relative position of the insulin pen main body 1 by rotating the thread rings 3;
the insulin pen comprises an insulin pen body 1, wherein a piston rod 4 is arranged in the insulin pen body 1, an operation block 5 is arranged at the bottom end of the piston rod 4, an installation plate 6 is arranged on one side of the top of the operation block 5, and a limiting block 7 is fixed on the top of the installation plate 6 close to one side of the insulin pen body 1, so that when an operator pulls the operation block 5 and the piston rod 4 in the extraction process, the installation plate 6 and the limiting block 7 can move downwards along with the operation block, and when the limiting block 7 and an adjusted threaded ring 3 are in mutual contact limiting, the operator cannot continuously pull the piston rod 4 and the operation block 5, so that the extraction amplitude is prevented from being too large;
the device block 8 is installed at the top end of the insulin pen main body 1, the groove 9 is formed in the top of the device block 8, the connecting pipe 10 penetrating through the device block 8 is installed at the top end of the insulin pen main body 1, the first sealing ring 11 is adhered to the outer side, close to the top end, of the connecting pipe 10, the needle main body 12 is arranged inside the groove 9, the second sealing ring 13 is adhered to the inner side wall of the needle main body 12, the limiting grooves 14 are formed in two sides of the needle main body 12, the first cavity 15 is reserved in two sides of the device block 8, the ejection block 16 penetrates through the top of the first cavity 15, the first spring 17 is connected between the ejection block 16 and the device block 8, the extrusion groove 18 is formed in one side, far away from the connecting pipe 10, of the ejection block 16 and the device block 8, the ejection block 16 and the device block 8 form a relative sliding structure, so that when the first rack 22 and the bevel edge part inside the extrusion groove 18 are extruded, the ejection block 16 can slide upwards along with the first rack, the needle head main body 12 is ejected out, the mutual extrusion of the second sealing ring 13 on the needle head main body 12 and the first sealing ring 11 on the connecting pipe 10 is relieved, so that the needle head main body 12 can directly fall off, and the non-contact disassembly is completed;
a second cavity 19 is reserved in the device block 8, which is far away from one side of the connecting pipe 10, of the first cavity 15, a fixing shaft 20 is fixed in the middle of two ends in the second cavity 19, a gear 21 is sleeved on the outer side of the fixing shaft 20, a first rack 22 penetrates through the bottom, which is far away from one side of the first cavity 15, of the second cavity 19, the first rack 22 extends into the first cavity 15, a second spring 23 is connected between the first rack 22 and the device block 8, the first rack 22 is in meshed connection with the gear 21, and the first rack 22 and the device block 8 form a relative sliding structure, so that when an operator presses the two sets of first racks 22 simultaneously, the two sets of gears 21 can rotate correspondingly;
the second rack 24 penetrates through the top of one side, close to the first cavity 15, of the second cavity 19, the second rack 24 extends to the inside of the limiting groove 14, a third spring 25 is connected between the second rack 24 and the device block 8, the second rack 24 is connected with the gear 21 in a meshed mode, and the second rack 24 and the device block 8 form a relative sliding structure, so that when an operator presses two sets of the first racks 22 simultaneously to drive the gear 21 to rotate correspondingly, the second rack 24 can slide along with the first rack to leave the corresponding limiting groove 14, and limiting fixing of the needle head main body 12 is released.
The working principle is as follows: when the insulin pen with the conveniently detachable needle head is used, the threaded ring 3 is screwed to the specified position through threaded connection of the threaded ring 3 and the threaded plate 2 and the matching of an observation window and scales on the insulin pen main body 1, the operating block 5 is held to pull the piston rod 4 downwards so as to extract insulin until the limiting block 7 and the threaded ring 3 form mutual limiting, so that an operator cannot pull the operating block 5 and the piston rod 4 continuously at the moment, excessive extraction amplitude or extraction of partial air into the insulin pen main body 1 is avoided, and the operating block 5 is pressed to inject after extraction is finished;
when the needle body 12 needs to be disassembled, the two groups of first racks 22 are respectively connected with the device block 8 in a sliding manner, the elasticity of the second spring 23 presses the two groups of first racks 22 towards the direction close to the middle, the first racks 22 are connected with the corresponding gears 21 in a meshing manner, the gears 21 can correspondingly rotate, the two groups of second racks 24 are respectively connected with the corresponding gears 21 in a meshing manner, the two groups of second racks 24 are respectively connected with the device block 8 in a sliding manner, the elasticity of the third spring 25 enables the two groups of second racks 24 to respectively slide away from the corresponding limiting grooves 14 at the moment, the limiting fixation of the needle body 12 is released, at the moment, the two groups of first racks 22 are continuously pressed, the first racks 22 start to be mutually extruded with the extrusion grooves 18 on the ejection block 16, the oblique sides of the ejection block 16 are connected with the device block 8 in a sliding manner, and the elasticity of the first spring 17, the ejector block 16 can slide upwards along with the ejector block, so that the needle body 12 is extruded upwards, until the second sealing ring 13 on the needle body 12 and the first sealing ring 11 on the connecting pipe 10 are released from extrusion, the needle body 12 can directly fall out from the groove 9, so that non-contact disassembly can be completed, when the needle body 12 needs to be installed again, the replaced needle body 12 is correspondingly inserted into the groove 9, so that the needle body 12 extrudes the bevel edge part of the second rack 24, further the second rack 24 slides towards the inside of the second cavity 19, until the needle body 12 is completely inserted into the groove 9, the second sealing ring 13 on the needle body 12 and the first sealing ring 11 on the connecting pipe 10 are extruded mutually to complete sealing, at the moment, the second rack 24 just aligns to the limiting groove 14, and under the elastic action of the third spring 25, the third spring 25 is inserted into the corresponding limiting groove 14 again, the needle body 12 is limited and fixed, and the stability of the needle body in the using process is ensured.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a conveniently dismantle insulin pen of syringe needle, includes insulin pen main part (1), device piece (8) and syringe needle main part (12), its characterized in that: threaded plates (2) are installed on two sides of the outer wall of the insulin pen main body (1), a threaded ring (3) is sleeved on the outer wall of each threaded plate (2), a piston rod (4) is arranged inside the insulin pen main body (1), a device block (8) is installed at the top end of the insulin pen main body (1), a groove (9) is formed in the top of the device block (8), a connecting pipe (10) penetrating through the device block (8) is installed at the top end of the insulin pen main body (1), a first sealing ring (11) is pasted on the outer side, close to the top end, of the connecting pipe (10), a needle main body (12) is arranged inside the groove (9), a second sealing ring (13) is pasted on the inner side wall of the needle main body (12), limiting grooves (14) are formed in two sides of the needle main body (12), a first cavity (15) is reserved on two sides inside the device block (8), a second cavity (19) is reserved in the device block (8) at one side of the first cavity (15) far away from the connecting pipe (10), a fixed shaft (20) is fixed at the middle position of the two ends in the second cavity (19), a gear (21) is sleeved on the outer side of the fixed shaft (20), a first rack (22) penetrates through the bottom of one side, far away from the first cavity (15), in the second cavity (19), and the first rack (22) extends to the interior of the first cavity (15), a second spring (23) is connected between the first rack (22) and the device block (8), a second rack (24) penetrates through the top of one side of the second cavity (19) close to the first cavity (15), the second rack (24) extends to the inside of the limiting groove (14), and a third spring (25) is connected between the second rack (24) and the device block (8).
2. The insulin pen with the needle convenient to detach as claimed in claim 1, wherein: the central axis of the threaded ring (3) and the central axis of the insulin pen main body (1) are mutually overlapped, and the threaded ring (3) is in threaded connection with the threaded plate (2).
3. The insulin pen with the needle convenient to detach as claimed in claim 1, wherein: operation piece (5) are installed to the bottom of piston rod (4), and mounting panel (6) are installed to one side at operation piece (5) top to mounting panel (6) are close to insulin pen main part (1) top on one side and are fixed with stopper (7).
4. The insulin pen with the needle convenient to detach as claimed in claim 1, wherein: an ejection block (16) penetrates through the top inside the first cavity (15), a first spring (17) is connected between the ejection block (16) and the device block (8), and an extrusion groove (18) is formed in one side, far away from the connecting pipe (10), of the ejection block (16).
5. The insulin pen with the needle convenient to detach as claimed in claim 1, wherein: the first rack (22) is in meshed connection with the gear (21), and the first rack (22) and the device block (8) form a relative sliding structure.
6. The insulin pen with the needle convenient to detach as claimed in claim 1, wherein: the second rack (24) is in meshed connection with the gear (21), and the second rack (24) and the device block (8) form a relative sliding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120613199.0U CN215840952U (en) | 2021-03-26 | 2021-03-26 | Insulin pen with conveniently-detachable needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120613199.0U CN215840952U (en) | 2021-03-26 | 2021-03-26 | Insulin pen with conveniently-detachable needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215840952U true CN215840952U (en) | 2022-02-18 |
Family
ID=80318238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120613199.0U Expired - Fee Related CN215840952U (en) | 2021-03-26 | 2021-03-26 | Insulin pen with conveniently-detachable needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215840952U (en) |
-
2021
- 2021-03-26 CN CN202120613199.0U patent/CN215840952U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220218 |