CN215135866U - Transmission mechanism suitable for liquid feeding device and liquid feeding device - Google Patents
Transmission mechanism suitable for liquid feeding device and liquid feeding device Download PDFInfo
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- CN215135866U CN215135866U CN202120064608.6U CN202120064608U CN215135866U CN 215135866 U CN215135866 U CN 215135866U CN 202120064608 U CN202120064608 U CN 202120064608U CN 215135866 U CN215135866 U CN 215135866U
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Abstract
The utility model provides a pair of drive mechanism suitable for liquid device, include: first casing, cavity body, micro device, first elastomer, second casing, power transmission mechanism, wherein: the front end of the second shell is sleeved and connected with the first shell; a cavity body is arranged in the first shell and is abutted with the first shell through a first elastic body; a second elastic body is arranged at the rear end of the second shell; the micro device is arranged at the liquid outlet of the cavity body; when the transmission mechanism suitable for the liquid feeding device is in a working state, the first shell is displaced, the cavity body is in contact with the power transmission mechanism, and the cavity body is controlled to reciprocate within a set amplitude through the second elastic body and the first elastic body. The utility model provides a cavity body can not throw away liquid and transmission structure can not be because of vibrations when contactless effect position does not receive the pressure the problem at the time of the effect position is not scratched to the cavity tip when the stress surface slides.
Description
Technical Field
The utility model relates to a for liquid device technical field, in particular to a drive mechanism and for liquid device suitable for liquid device.
Background
At present, in the technical field of transdermal drug delivery, a micro device is widely applied, the surface of the micro device is provided with a series of micro needle arrays, radio frequency dot matrixes, micro electrodes, laser and the like, the micro needle arrays, the radio frequency dot matrixes, the micro electrodes, the laser and the like can open the outermost horny layer of the skin, meanwhile, the dermis layer cannot be damaged, and the nutrient permeability is greatly improved. By matching with the vibration introduction of the penetration enhancer, thousands of tiny pores can be opened on the surface of the skin in a short time, and the absorption of external drugs and skin care products can be greatly promoted. But the cavity body in the present short osmosis appearance and the vibrations subassembly of micro device are when using, can not shake when opening equipment, shake through pressing micro device on skin vibrations subassembly atress contact equipment internal drive part after, this can only follow wafer vibrations direction point and carry the operation during just making the operation, can't carry out gliding continuous operation because can fish tail skin during the slip, no matter from availability factor, customer experience degree or transdermal uniformity of dosing say all unsatisfied user's demand.
Through retrieval, patent document CN209303015U discloses a microneedle medicine guide mechanism for a beauty instrument, which comprises a liquid guide tube and a microneedle array chip installed at the bottom of the liquid guide tube, wherein the top end of the liquid guide tube is communicated with a sound wave vibration generator, a plurality of microneedles are distributed on the microneedle array chip, a liquid guide port communicated with the liquid guide tube is formed in the tip of each microneedle, a return spring and a guide protective sleeve are sequentially sleeved outside the liquid guide tube, the liquid guide tube is movably arranged in the guide protective sleeve in a penetrating manner, an upper step and a lower step are respectively arranged on the outer wall of the liquid guide tube and the inner wall of the guide protective sleeve, and two ends of the return spring are respectively abutted against the upper step and the lower step. The prior art has the disadvantages that only a lifting operation can be realized, and the problems of insufficient use efficiency and skin scratch are caused if sliding transdermal administration is carried out.
Through retrieval, patent document CN205339844U discloses a device for facial care, which comprises a handle, wherein a roller is arranged at one end of the handle, a plurality of microneedles are arranged on the surface of the roller, an elastic layer is arranged on the surface of the roller, the length of the microneedles is 0.5-2mm, the distance between the upper surface of the elastic layer and the needle point of the microneedles is 0.2-0.4mm, micropores for the microneedles to pass through are arranged on the elastic layer at positions corresponding to the microneedles, and the diameter of the micropores is 2-4 times the diameter of the microneedles. Although the prior art is designed with an elastic layer to allow the device to roll continuously on the skin, the prior art cannot deliver the drug during the continuous rolling process, and thus the problems of efficiency of use and uniformity of transdermal delivery cannot be solved.
Therefore, there is a need to develop a device with the ability to improve the efficiency of use, transdermal delivery uniformity, and customer experience, while not scratching the skin during use.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a drive mechanism and liquid feeding device suitable for liquid feeding device.
According to the utility model provides a pair of drive mechanism suitable for liquid device, include: first casing, cavity body, micro device, first elastomer, second casing, power transmission mechanism, wherein:
the front end of the second shell is sleeved and connected with the first shell;
a cavity body is arranged in the first shell and is abutted with the first shell through a first elastic body;
a second elastic body is arranged at the rear end of the second shell;
the micro device is arranged at the liquid outlet of the cavity body;
when the transmission mechanism suitable for the liquid feeding device is in a working state, the first shell is displaced, the cavity body is in contact with the power transmission mechanism, and the cavity body is controlled to reciprocate within a set amplitude through the second elastic body and the first elastic body.
Preferably, the power transmission mechanism further comprises a limiting piece, and the limiting piece is in interference fit with the power transmission mechanism.
Preferably, the cavity body peripheral part is provided with the circular arc groove, and the locating part passes through circular arc groove and cavity body fastening connection.
When the first shell is not subjected to external force, a gap exists between the limiting piece and the power transmission mechanism.
Preferably, the micro device comprises a nano wafer or nano microneedle.
Preferably, the first housing and the second housing are a slip fit.
Preferably, the front end of the second shell is provided with a blocking edge, the first shell is provided with a convex shoulder, and the blocking edge is matched with the convex shoulder.
Preferably, the first housing is supported by the second elastic body toward an end close to the second housing.
Preferably, when the hollow cavity reciprocates within a set amplitude to be in a return state, the liquid outlet of the hollow cavity does not exceed the front end opening of the first shell.
The utility model provides a liquid feeding device contains foretell drive mechanism who is applicable to liquid feeding device.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a set up first elastomer, set for the distance that is greater than first casing and atress contact surface of first casing and micro device when return state with the distance of atress contact surface to make first casing can slide at the stress surface and micro device can not scratch the stress surface under the condition of high frequency vibrations.
2. The utility model discloses a set up first elastomer, provide the cavity body and receive the return effort when power transmission mechanism pushes away the position for can the axial vibrations after the transmission of first casing contact skin, thereby reach and to pierce through the osmotic absorption that the skin stratum corneum promoted the liquid medicine, can only follow the technical defect that micro device vibrations direction point carried the operation in overcoming traditional liquid feeding device again.
3. The utility model discloses a set up the second elastomer for the normality separation of whole transmission structure and power transmission mechanism vibrations makes the cavity body can not throw away the liquid medicine because of vibrations under the atress effect.
4. The utility model discloses a drive mechanism after the improvement can slide the operation of dosing on skin, has improved the efficiency and the degree of consistency that the transdermal was dosed, has promoted user's experience degree simultaneously.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic view of the overall structure of the transmission mechanism of the liquid feeding device according to the present invention.
In the figure:
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
As shown in fig. 1, the present invention provides a transmission structure, which includes a first housing 1, a hollow cavity 2, a micro device 3, a first elastic body 4, a second elastic body 5, a second housing 6, a power transmission mechanism 7, and a limiting member 8.
Wherein, the front end of second casing 6 establishes with 1 covers of first casing to be connected, is provided with the cavity body 2 in the first casing 1, and the cavity body 2 is through first elastomer 4 and first casing 1 looks butt, and the rear end of second casing 6 is provided with second elastomer 5, produces the displacement when first casing 1 receives the exogenic action, and the cavity body 2 contacts with power transmission mechanism 7 to do reciprocating motion in setting for the amplitude through second elastomer 5 and first elastomer 4 control cavity body 2.
Further, the outer periphery of the cavity body 2 is provided with symmetrical arc grooves, and the limiting member 8 is fastened and connected with the cavity body 2 through the arc grooves, so that the cavity body 2 can be conveniently installed or taken out; the limiting piece 8 is in abutting fit with the power transmission mechanism 7, and the micro device 3 is arranged at the liquid outlet of the cavity body 2; the second housing 6 is in sliding fit with the first housing 1. The second elastic body 5 is sleeved outside the power transmission mechanism 7, and the power transmission mechanism 7 is arranged at the rear end of the hollow cavity body 2.
Still further, the front end of the second housing 6 is close to the liquid outlet, and the rear end of the second housing 6 is close to the power transmission mechanism 7; one end of the second elastic body 5 abuts against the rear end of the first shell 1, and the other end abuts against the second shell 6. One end of the first elastic body 4 abuts against the blocking edge inside the first housing 1, and the other end abuts against the limiting member 8. One end of the first shell 1 is provided with an opening, and the other end is provided with a clamping limit for the opening.
Furthermore, when the first housing 1 is not in contact with the skin, the hollow cavity 2 and the limiting member 8 have a clearance with the power transmission mechanism 7.
According to the inventionPreferred embodiment(s) of the inventionFor further explanation.
Based on the above-described embodiment, the microdevice 3 includes a member capable of transdermal drug delivery, such as a nano-wafer or a nano-microneedle.
Based on the above embodiment, the second housing 6 and the first housing 1 are locked by the snap, and the stopper 8 is locked in the first housing 1 by the snap of the first housing 1 and the first elastic body 4.
Based on above-mentioned embodiment, when cavity 2 was reciprocating motion in setting for the amplitude and was in the return state, cavity 2 liquid outlet was not more than first casing 1's full opening, and at this moment, first casing 1 was 0.5mm with the distance of the liquid outlet of the stress contact surface interval cavity 2, and transmission structure can freely move on the stress surface.
According to the inventionVariation exampleFor further explanation.
Based on the above embodiment, the micro device 3 may also be a liquid outlet device provided with a through hole, and is applied to the industrial field, such as the glue coating field.
Based on the above embodiment, the second housing 6 and the first housing 1 are limited by the snap, and the limiting member 8 is limited in the first housing 1 by the snap of the first housing 1 and the hollow body 2 and the first elastic body 4.
Based on above-mentioned embodiment, when cavity 2 was reciprocating motion in setting for the amplitude and was in the return state, cavity 2 liquid outlet was not more than first casing 1's full opening, and at this moment, first casing 1 was greater than 0 with the distance of the liquid outlet of the atress contact surface interval cavity 2, and cavity 2 can freely move on the atress face.
The invention also provides a liquid feeding device which uses the transmission structure to feed liquid, the liquid feeding device can slightly press the first shell 1 after contacting with the stress surface, the first shell 1 and the cavity body 2 shrink back together, the cavity body 2 and the micro device 3 start to vibrate after the power transmission mechanism 7 contacts with the limiting piece 8 of the cavity body 2, meanwhile, the liquid medicine in the cavity body 2 flows out to the surface of the skin under the vibration effect, and the micro device 3 conducts the skin cuticle to promote the permeation and absorption of the liquid medicine.
The working principle is as follows:
when the first shell 1 is acted by external force, the first shell 1 is linked with the limiting piece 8 to apply pressure to the first elastic body 4 and the second elastic body 5, so that the first elastic body 4 and the second elastic body 5 are deformed simultaneously, and at the moment, the micro device 3 pierces the skin and then vibrates to deliver liquid medicine to carry out transdermal administration; when the cavity 2 reciprocates within a set amplitude and is in a return state, the liquid outlet of the cavity 2 does not exceed the full opening of the first shell 1, at the moment, the distance between the first shell 1 and the stressed contact surface and the liquid outlet of the cavity 2 is greater than 0, and the transmission structure can freely move on the stressed surface; when the first shell 1 moves after contacting the stress surface, the vibration speed of the transmission structure is higher than the moving speed in use.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A drive mechanism adapted for use with a fluid delivery device, comprising: first casing (1), cavity body (2), micro device (3), first elastomer (4), second elastomer (5), second casing (6), power transmission mechanism (7), wherein:
the front end of the second shell (6) is sleeved and connected with the first shell (1);
the cavity body (2) is arranged in the first shell (1), and the cavity body (2) is abutted against the first shell (1) through the first elastic body (4);
the rear end of the second shell (6) is provided with the second elastic body (5);
the micro device (3) is arranged at the liquid outlet of the cavity body (2);
when a transmission mechanism suitable for the liquid feeding device is in a working state, the first shell (1) is displaced, the cavity body (2) is in contact with the power transmission mechanism (7), and the cavity body (2) is controlled to reciprocate within a set amplitude through the second elastic body (5) and the first elastic body (4).
2. A drive mechanism adapted for use with a fluid delivery device as defined in claim 1, further comprising a stop member (8), wherein the stop member (8) is in interference engagement with the power transmission mechanism (7) when subjected to an external force.
3. A transmission mechanism adapted to a liquid feeding device according to claim 2, wherein an arc groove is provided at an outer peripheral portion of the hollow body (2), and the limiting member (8) is fastened to the hollow body (2) through the arc groove.
4. Transmission mechanism adapted to a liquid delivery device according to claim 1, wherein the hollow body (2) and the stop member (8) are free from play with the power transmission mechanism (7) when the first housing (1) is not subjected to external forces.
5. A drive mechanism adapted for use with a fluid delivery device as claimed in claim 1, wherein the micro-device comprises a nano-wafer or nano-microneedle.
6. Transmission mechanism adapted to a liquid delivery device according to claim 1, wherein the first housing (1) and the second housing (6) are slip-fitted.
7. Transmission mechanism adapted to a liquid delivery device according to claim 3, wherein the second housing (6) is provided with a stop at its front end and the first housing (1) is provided with a shoulder with which the stop cooperates.
8. Transmission mechanism adapted to a liquid delivery device according to claim 3, wherein the first housing (1) is supported by the second elastic body (5) towards the end close to the second housing (6).
9. A drive mechanism adapted for a liquid delivery device according to claim 1, wherein the liquid outlet of the hollow chamber (2) does not exceed the front opening of the first housing (1) when the hollow chamber (2) reciprocates within a set amplitude to assume the retracted state.
10. A fluid delivery device comprising a drive mechanism adapted for use with a fluid delivery device according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120064608.6U CN215135866U (en) | 2021-01-11 | 2021-01-11 | Transmission mechanism suitable for liquid feeding device and liquid feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120064608.6U CN215135866U (en) | 2021-01-11 | 2021-01-11 | Transmission mechanism suitable for liquid feeding device and liquid feeding device |
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| Publication Number | Publication Date |
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| CN215135866U true CN215135866U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120064608.6U Active CN215135866U (en) | 2021-01-11 | 2021-01-11 | Transmission mechanism suitable for liquid feeding device and liquid feeding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114748778A (en) * | 2021-01-11 | 2022-07-15 | 苏州纳生微电子有限公司 | Transmission structure, liquid feeding device applying transmission structure and using method of liquid feeding device |
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2021
- 2021-01-11 CN CN202120064608.6U patent/CN215135866U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114748778A (en) * | 2021-01-11 | 2022-07-15 | 苏州纳生微电子有限公司 | Transmission structure, liquid feeding device applying transmission structure and using method of liquid feeding device |
| CN114748778B (en) * | 2021-01-11 | 2024-05-03 | 苏州纳生微电子有限公司 | Transmission structure, liquid feeding device applying transmission structure and use method of liquid feeding device |
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