CN211675891U - Transmission mechanism and drug delivery device - Google Patents
Transmission mechanism and drug delivery device Download PDFInfo
- Publication number
- CN211675891U CN211675891U CN201922125568.7U CN201922125568U CN211675891U CN 211675891 U CN211675891 U CN 211675891U CN 201922125568 U CN201922125568 U CN 201922125568U CN 211675891 U CN211675891 U CN 211675891U
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- CN
- China
- Prior art keywords
- transmission
- transmission mechanism
- sliding block
- mounting hole
- push rod
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
Abstract
The utility model discloses a drive mechanism and device of dosing, wherein, drive mechanism includes: the upper cover is provided with a sliding groove, and one surface of the upper cover is provided with connecting parts positioned on two sides of the sliding groove; a slider that slides reciprocally along the chute; the transmission part is pivotally connected between the connecting parts through the rotating shafts, the transmission part is in transmission connection with the sliding block, and the sliding block drives the transmission part to perform pivoting motion by virtue of the rotating shafts; and one end of the push rod is pivotally connected to one end of the transmission member. The utility model discloses a drive mechanism can be applied to in the device of dosing, turns into the action of motor the axial reciprocating motion of push rod to drive and carry out reciprocating action with human skin for the medicine head, realize the transdermal and dose, promote the absorption of liquid medicine.
Description
Technical Field
The utility model relates to a transdermal technical field that doses specifically relates to a drive mechanism and device of dosing.
Background
Currently, in the field of transdermal drug delivery technology, nano-chips are being widely used. The nanometer chip is a nanometer permeation promoting special tool developed according to the structure of human skin and is formed by carving monocrystalline silicon through a nanometer technology process. The surface of the nanometer wafer is a series of micro needle arrays which can open the outermost horny layer of the skin without hurting the dermis layer, thereby greatly improving the penetrating capability of the medicine. The biological compatibility of the monocrystalline silicon ensures the safety of the nanocrystalline in the use process.
In transdermal delivery, the nano-chip on the delivery head needs to interact with the skin of the human body in a reciprocating manner so that the micro-needles thereon open the outermost stratum corneum layer of the skin. Therefore, it is necessary to provide a further solution for how to drive the medicine feeding head to perform the medicine feeding action by the motor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a drive mechanism and device of dosing to overcome the not enough that exists among the prior art.
In order to solve the technical problem, the technical scheme of the utility model is that:
a transmission mechanism, comprising:
the upper cover is provided with a sliding groove, and one surface of the upper cover is provided with connecting parts positioned on two sides of the sliding groove;
a slider that slides reciprocally along the chute;
the transmission part is pivotally connected between the connecting parts through the rotating shafts, the transmission part is in transmission connection with the sliding block, and the sliding block drives the transmission part to perform pivoting motion by virtue of the rotating shafts;
and one end of the push rod is pivotally connected to one end of the transmission member.
As the utility model discloses a drive mechanism's improvement, be provided with the platform face of connecting that sets up along the slip direction on the inside wall of spout, the slider is followed the platform face of connecting carries out reciprocating sliding.
As the improvement of the transmission mechanism of the utility model, the platform connecting surface is arranged in the sliding groove in a bilateral symmetry way.
As an improvement of the transmission mechanism of the present invention, the connecting portion is correspondingly provided with a pivot connection hole, the connecting portion is provided with a guide groove, one end of the guide groove extends to the pivot connection hole, and the other end extends to the end face of the connecting portion.
As the utility model discloses a drive mechanism's improvement, the driving medium has the integrative bayonet socket that extends out, be provided with on the slider with the installation roof beam that the bayonet socket transmission is connected.
As the utility model discloses a drive mechanism's improvement, drive mechanism still includes: and a pivot shaft of the eccentric wheel is in transmission connection with the sliding block.
As the utility model discloses a drive mechanism's improvement, the slider has a mounting hole, the mounting hole is followed the slip direction of slider extends the setting, the one end of mounting hole is the plane, and the other end is for keeping away from planar arcwall face, the pivotal axis of eccentric wheel stretches into in the mounting hole.
As the utility model discloses a drive mechanism's improvement, the push rod includes: linkage portion and promotion portion, the one end of linkage portion has the link of relative setting, the one end pivotal connection of driving medium is between the link, the other end of linkage portion with the one end of promotion portion is connected, and drives promotion portion carries out axial motion.
As the utility model discloses a drive mechanism's improvement, drive mechanism still includes: and the lower cover is fixed on the other surface of the upper cover through a fixing pin.
In order to solve the technical problem, the technical scheme of the utility model is that:
a drug delivery device, comprising: the motor, the administration head and the transmission mechanism are arranged;
the motor shaft of the motor directly or indirectly drives the sliding block to slide in a reciprocating mode, and the other end of the push rod is in transmission connection with the drug delivery head.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a drive mechanism can be applied to in the device of dosing, turns into the action of motor the axial reciprocating motion of push rod to drive and carry out reciprocating action with human skin for the medicine head, realize the transdermal and dose, promote the absorption of liquid medicine.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of a transmission mechanism according to the present invention;
fig. 2 is an exploded perspective view of the transmission mechanism of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the utility model provides a transmission mechanism, it includes: the device comprises an upper cover 1, a sliding block 2, an eccentric wheel 3, a transmission piece 4, a push rod 5 and a lower cover 6.
The upper cover 1 is used for connecting the sliding block 2, the transmission part 4 and the lower cover 6.
The upper cover 1 is provided with a sliding groove 11, and the sliding block 2 slides back and forth along the sliding groove 11. Meanwhile, in order to facilitate the sliding of the slider 2, a step surface 12 arranged along the sliding direction is arranged on the inner side wall of the sliding groove 11, and the slider 2 slides back and forth along the step surface 12. The step surface 12 may be disposed on one side or both sides of the inner sidewall of the sliding chute 11. In one embodiment, the step surfaces 12 are symmetrically disposed in the chute 11.
One side of upper cover 1 is provided with and is located connecting portion 13 on spout 11 both sides, driving medium 4 both sides are provided with pivot 41, driving medium 4 through pivot 41 pivotal connection in between connecting portion 13. The rotating shaft 41 preferably extends integrally from both sides of the transmission member 4.
Correspondingly, the connecting portion 13 is correspondingly provided with a pivot connecting hole 131. In order to facilitate the pivotal mounting of the transmission member 4, a guiding groove 132 is provided on the connecting portion 13, one end of the guiding groove 132 extends to the pivotal connecting hole 131, and the other end extends to the end surface of the connecting portion 13. Thus, when mounting, the rotating shaft 41 of the link member is first slid into the guide groove 132 while spreading the link portion 13 by a certain distance, and the rotating shaft 41 is finally fitted into the pivot coupling hole 131 under the guidance of the guide groove 132.
The lower cover 6 is used for connecting the transmission mechanism of the utility model with the applied drug delivery device. Specifically, the lower cover 6 is fixed on the other side of the upper cover 1 by a fixing pin 14 located on the upper cover 1, and the upper cover 1 and the lower cover 6 are also provided with bolt holes 15 and 61 corresponding in position.
The sliding block 2 is used for driving the transmission piece 4 to perform reciprocating pivoting motion.
Specifically, the transmission member 4 is in transmission connection with the sliding block 2, and the sliding block 2 drives the transmission member 4 to perform pivoting motion by means of the rotating shaft 41. In one embodiment, in order to realize the transmission connection between the transmission member 4 and the sliding block 2, the transmission member 4 has a bayonet 42 extending integrally, and the sliding block 2 is provided with a mounting beam in transmission connection with the bayonet 42. Thus, when the slider 2 is reciprocally slid, a pivotal force is applied to the transmission member 4 connected thereto so as to be synchronously reciprocally pivotally moved.
The eccentric wheel 3 is used for driving the sliding block 2 to slide back and forth along the sliding groove 11. In particular, a pivot shaft of the eccentric wheel 3 is in transmission connection with the sliding block 2. Correspondingly, the sliding block 2 has a mounting hole, which extends in the sliding direction of the sliding block 2, and the pivot axis of the eccentric 3 extends into the mounting hole 21. Therefore, when the eccentric wheel 3 acts, the pivot shaft thereof drives the sliding block 2 to slide in a reciprocating manner.
In one embodiment, in order to reduce the noise generated when the eccentric wheel 3 and the sliding block 2 act, one end of the mounting hole 21 is a plane, and the other end is an arc-shaped surface far away from the plane, wherein the plane is an acting surface. With the arrangement, in one pivoting stroke of the pivoting shaft of the eccentric wheel 3, the eccentric wheel is only contacted with the action surface of the mounting hole 21 once, and cannot collide with the arc-shaped surface, so that the frequency of noise generation is reduced, and the implementation of silence is facilitated.
The push rod 5 is used for converting the reciprocating pivot motion of the transmission piece 4 into reciprocating axial motion.
Specifically, one end of the push rod 5 is pivotally connected to one end of the transmission member 4. In one embodiment, the push rod 5 comprises: an interlocking portion 51 and a pushing portion 52. One end of the linkage part 51 is provided with oppositely arranged connecting ends, one end of the transmission part 4 is pivotally connected between the connecting ends, the other end of the linkage part 51 is connected with one end of the pushing part 52, and a certain included angle is formed between the linkage part 51 and the pushing part 52. In this way, the transmission member 4 performs a reciprocating pivotal motion, and the linkage portion 51 connected to the transmission member can drive the pushing portion 52 to perform an axial motion.
Based on drive mechanism as described above, the utility model discloses still provide a device of dosing, its characterized in that, the device of dosing includes: a motor, an administration head and a transmission mechanism as described above.
Wherein, the motor shaft of the motor directly or indirectly drives the sliding block 2 to slide in a reciprocating way. When the motor shaft of the motor directly drives the sliding block 2, the eccentric wheel 3 and the motor shaft of the motor can be designed into a whole, alternatively, when the motor shaft of the motor indirectly drives the sliding block 2, the motor shaft of the motor extends into the hole on the eccentric wheel 3. The other end of the push rod 5 is in transmission connection with the drug delivery head.
To sum up, the utility model discloses a drive mechanism can be applied to in the device of dosing, turns into the reciprocal action of axial of push rod with the action of motor to drive and carry out reciprocating action for medicine head and human skin, realize the transdermal and dose, promote the absorption of liquid medicine.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A transmission mechanism, characterized in that it comprises:
the upper cover is provided with a sliding groove, and one surface of the upper cover is provided with connecting parts positioned on two sides of the sliding groove;
a slider that slides reciprocally along the chute;
the transmission part is pivotally connected between the connecting parts through the rotating shafts, the transmission part is in transmission connection with the sliding block, and the sliding block drives the transmission part to perform pivoting motion by virtue of the rotating shafts;
and one end of the push rod is pivotally connected to one end of the transmission member.
2. The transmission mechanism according to claim 1, wherein a table contact surface is provided on an inner side wall of the slide groove in a sliding direction, and the slide block slides reciprocally along the table contact surface.
3. The transmission mechanism as claimed in claim 2, wherein the abutment surfaces are disposed in the slide groove in a left-right symmetrical manner.
4. The transmission mechanism according to claim 1, wherein the connecting portion is correspondingly provided with a pivot connecting hole, the connecting portion is provided with a guiding groove, one end of the guiding groove extends to the pivot connecting hole, and the other end of the guiding groove extends to an end surface of the connecting portion.
5. The transmission mechanism according to claim 1, wherein the transmission member has a bayonet extending integrally, and the slider is provided with a mounting beam drivingly connected to the bayonet.
6. The transmission mechanism as claimed in claim 1, further comprising: and a pivot shaft of the eccentric wheel is in transmission connection with the sliding block.
7. The transmission mechanism according to claim 6, wherein the sliding block has a mounting hole, the mounting hole extends along a sliding direction of the sliding block, one end of the mounting hole is a plane, the other end of the mounting hole is an arc-shaped surface far away from the plane, and a pivot shaft of the eccentric wheel extends into the mounting hole.
8. The transmission mechanism as claimed in claim 1, wherein the push rod comprises: linkage portion and promotion portion, the one end of linkage portion has the link of relative setting, the one end pivotal connection of driving medium is between the link, the other end of linkage portion with the one end of promotion portion is connected, and drives promotion portion carries out axial motion.
9. The transmission mechanism as claimed in claim 1, further comprising: and the lower cover is fixed on the other surface of the upper cover through a fixing pin.
10. A drug delivery device, characterized in that the drug delivery device comprises: a motor, an administration head and a transmission mechanism as claimed in any one of claims 1 to 9;
the motor shaft of the motor directly or indirectly drives the sliding block to slide in a reciprocating mode, and the other end of the push rod is in transmission connection with the drug delivery head.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922125568.7U CN211675891U (en) | 2019-12-02 | 2019-12-02 | Transmission mechanism and drug delivery device |
| PCT/CN2019/122807 WO2021109004A1 (en) | 2019-12-02 | 2019-12-03 | Transmission mechanism and drug delivery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922125568.7U CN211675891U (en) | 2019-12-02 | 2019-12-02 | Transmission mechanism and drug delivery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211675891U true CN211675891U (en) | 2020-10-16 |
Family
ID=72789107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922125568.7U Active CN211675891U (en) | 2019-12-02 | 2019-12-02 | Transmission mechanism and drug delivery device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN211675891U (en) |
| WO (1) | WO2021109004A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202173684U (en) * | 2011-08-26 | 2012-03-28 | 吴翠岗 | Micro-needle cosmetic instrument |
| KR101508878B1 (en) * | 2014-04-25 | 2015-04-07 | 주식회사 라온 | Micro needle driving apparatus |
| CN105999539A (en) * | 2016-07-05 | 2016-10-12 | 广州暨大美塑生物科技有限公司 | Cosmetic leading-in instrument |
| CN110193136B (en) * | 2018-02-26 | 2022-11-04 | 苏州纳通生物纳米技术有限公司 | Nano-chip permeation promoting instrument |
| CN110237417A (en) * | 2019-04-26 | 2019-09-17 | 上海百雀羚生物科技有限公司 | A kind of gatherer for beauty and skin care |
-
2019
- 2019-12-02 CN CN201922125568.7U patent/CN211675891U/en active Active
- 2019-12-03 WO PCT/CN2019/122807 patent/WO2021109004A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021109004A1 (en) | 2021-06-10 |
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