CN215690990U - Powder injection apparatus - Google Patents
Powder injection apparatus Download PDFInfo
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- CN215690990U CN215690990U CN202121597540.4U CN202121597540U CN215690990U CN 215690990 U CN215690990 U CN 215690990U CN 202121597540 U CN202121597540 U CN 202121597540U CN 215690990 U CN215690990 U CN 215690990U
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- powder
- powder bin
- plug
- air bag
- spring air
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- 239000000843 powder Substances 0.000 title claims abstract description 164
- 238000002347 injection Methods 0.000 title abstract description 4
- 239000007924 injection Substances 0.000 title abstract description 4
- 238000007789 sealing Methods 0.000 claims description 15
- 239000002775 capsule Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 239000003814 drug Substances 0.000 abstract description 27
- 238000007664 blowing Methods 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 description 22
- 238000004140 cleaning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The present invention relates to the technical field of medicine containers, and particularly to a medicine powder injection device, including: the spring air bag is internally provided with a cavity with one open end and used for generating air flow; the powder bin plug is connected with the opening of the spring air bag, one end of the powder bin plug extends into the spring air bag, and the other end of the powder bin plug protrudes out of the opening of the spring air bag; the powder bin is used for placing the powder, is connected with the powder bin plug and extends in the direction far away from the powder bin plug; the powder bin plug is provided with a first one-way valve which is arranged towards the cavity, and the powder bin plug is provided with a second one-way valve which is arranged towards the powder bin. The powder bin is used for containing the powder, the spring air bag is used for blowing air in a single direction, the powder is uniformly sprayed, the powder bin is detachably connected, the medicine is convenient to feed, the affected part can be accurately sprayed, and the problem of blockage of the powder in the prior art is solved.
Description
Technical Field
The utility model relates to the technical field of medicine containers, in particular to a medicine powder spraying device.
Background
The medicinal powder spraying device is used for spraying medicinal powder on the wound of a patient, and the accurate and uniform spraying is required during specific spraying, so that the requirement on the patient or medical staff is higher;
in the related technology, the medicine powder is mostly contained in a bag-shaped or bottle-shaped container, when a patient or medical staff carries out spraying, the medicine powder needs to be shaken uniformly, and then the medicine bag or the medicine needs to be shaken at a constant speed, however, the spraying mode is difficult to control the spraying amount, the spraying amount is insufficient, or the medicine powder is excessive at one time, so that the waste of the medicine powder is caused;
in order to solve the problems, the related art has a one-way valve installed on the bottle body of the medicine bottle, an impeller is arranged at the outlet of the medicine bottle, and the powder can be uniformly sprayed on the affected part through the rotation of the impeller during spraying. However, the inventor of the present invention found that when the above-mentioned medicine bottle is used for spraying, powder is easily accumulated at the outlet, and powder is not discharged, and the operator needs to apply a large force, which then causes a problem of excessive amount of medicine powder.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: provides a medicine powder spraying device which realizes the uniform spraying of medicine powder.
In order to achieve the purpose, the utility model adopts the technical scheme that: a powder ejection device comprising:
the spring air bag is internally provided with a cavity with one open end and is arranged in a telescopic manner along the length direction;
the powder bin plug is connected with the opening of the spring air bag, one end of the powder bin plug extends into the spring air bag, and the other end of the powder bin plug protrudes out of the opening of the spring air bag;
the powder bin is connected with the powder bin plug, extends in the direction far away from the powder bin plug and is used for placing the powder;
the powder bin comprises a cavity, a spring air bag and a powder bin plug, wherein the spring air bag is provided with a first one-way valve facing the interior of the cavity at a position close to the powder bin plug, and the powder bin plug is provided with a second one-way valve facing the powder bin.
Further, the spring air bag side wall is arranged in a continuous wave mode along the length direction of the spring air bag side wall.
Further, the first check valve is provided on an inclined wall of the spring pocket side wall and is disposed toward a bottom of the spring pocket.
Further, the bottom of the spring airbag is arranged to be flat.
Further, one end, facing the powder bin, of the powder bin plug is provided with a flexible spherical surface with a cross-shaped opening.
Furthermore, both ends of the powder bin plug are provided with threads or corrugations, and the powder bin plug is detachably connected with the spring air bag and/or the powder bin.
Further, an annular sealing groove is formed in the inner wall, in contact with the powder bin plug, of the spring air bag, the powder bin plug is provided with a radially protruding sealing ring at the position of the sealing groove, and the sealing ring is clamped in the sealing groove.
Furthermore, the powder bin is a variable cross-section tube, and the tube diameter of the powder bin close to the powder bin plug is larger than that of the powder bin plug far away from the powder bin plug.
Further, the powder bin plug comprises a straight cylinder section, a transition section and a conical pipe section, the second one-way valve is arranged on the central axis of the powder bin plug, and an air outlet of the second one-way valve and the conical pipe section are coaxially arranged.
Further, the powder bin also comprises a cap which is detachably connected with the outlet of the powder bin.
The utility model has the beneficial effects that: the powder bin is used for containing the powder, the spring air bag is used for blowing air in a single direction, the powder is uniformly sprayed, the powder bin is detachably connected, the medicine is convenient to feed, and meanwhile, the affected part can be accurately sprayed. Compared with the prior art, the blockage problem of the medicinal powder is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a powder medicine ejection device according to an embodiment of the present invention;
fig. 2 is an exploded view of a powder medicine ejection device according to an embodiment of the present invention;
fig. 3 is a sectional view of a medicine powder spraying apparatus according to an embodiment of the present invention;
fig. 4 is a schematic diagram of powder spraying of the powder spraying apparatus according to the embodiment of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 3 according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a powder hopper plug according to an embodiment of the present invention;
FIG. 7 is a schematic view of a check valve according to an embodiment of the present invention;
FIG. 8 is a cross-sectional view of a one-way valve in an embodiment of the utility model.
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.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The powder ejection apparatus shown in fig. 1 to 8 includes a spring balloon 10, a powder bin plug 20, and a powder bin 30, wherein:
the spring air bag 10 is internally provided with a cavity with one open end, and the spring air bag 10 is arranged in a telescopic way along the length direction and is used for placing medicine powder; the opening of the spring balloon 10 is disposed in the length direction of the spring balloon 10 so that it can provide an air flow when the spring balloon 10 is compressed; (ii) a
The powder bin plug 20 is connected with the opening of the spring air bag 10, one end of the powder bin plug 20 extends into the spring air bag 10, and the other end of the powder bin plug 20 protrudes out of the opening of the spring air bag 10; the powder bin plug 20 plays a role in connecting the spring air bag 10 with the powder bin 30;
the powder bin 30 is connected with the powder bin plug 20 and extends in the direction away from the powder bin plug 20, and the powder bin 30 is used for containing the powder.
The spring air bag 10 is provided with a first one-way valve 40 arranged towards the cavity at a position close to the powder bin plug 20, and the powder bin plug 20 is provided with a second one-way valve 50 arranged towards the powder bin 30.
During specific spraying, the spring airbag 10 is deformed by extruding the spring airbag 10, so that the air pressure inside the spring airbag 10 is increased, and under the action of the first one-way valve 40 and the second one-way valve 50, the airflow flows towards the powder bin 30, so that the powder is driven to be discharged together; the structure of the check valve 40 is shown in fig. 7 and 8, a cavity with a pipe diameter larger than that of the channel is arranged in the pipeline inside the check valve, a valve plate capable of sliding in the cavity is arranged in the cavity, a plurality of check blocks capable of blocking the valve plate and ventilating are arranged at the outlet of the check valve, when air is blown inwards, the valve plate moves to the check blocks, air flow circulates, when pressure is applied reversely, the valve plate moves reversely, the pipeline is sealed in the cavity, and therefore backflow of the air flow is blocked;
in the above embodiment, by placing the powder in the powder bin 30 and blowing the air in one direction through the spring air bag 10, the uniform spraying of the powder is realized, the medicine can be conveniently loaded through the detachable connection of the powder bin 30, and the affected part can be precisely sprayed. Compared with the prior art, the blockage problem of the medicinal powder is prevented.
On the basis of the above-described embodiment, in order to further improve the degree of deformability and structural strength of the spring bellows 10, as shown in fig. 2, the side wall of the spring bellows 10 is provided in a continuous wave shape along the length direction thereof. Through the arrangement, on one hand, the stability of the medicine bin structure can be ensured, and the medicine bin cannot rebound after being compressed; on the other hand, through the arrangement of the corrugated type, the deformation degree of the spring airbag 10 can be maximized, so that the discharge of the medicine powder in the spring airbag 10 is facilitated as much as possible, and the utilization rate of the spring airbag 10 is improved.
Further, in order to increase the force of the first check valve 40 on the powder at the outlet when the air is introduced, in the embodiment of the present invention, the first check valve 40 is disposed on the inclined wall of the side wall of the spring capsule 10 and is disposed toward the bottom of the spring capsule 10. By this arrangement, interference to the powder in the powder bin 30 can be reduced, and the powder can be prevented from flowing backward into the spring air bag 10.
In the embodiment of the present invention, as shown in fig. 6, one end of the powder bin plug 20 facing the powder bin 30 is provided with a flexible spherical surface 22 with a cross opening. The flexible spherical surface 22 is provided with a cross opening for spraying the medicinal powder, and meanwhile, the flexible spherical surface 22 has the shape memory characteristic, so that the medicine can be prevented from flowing backwards when powder is not sprayed, and the cleanliness of the medicinal powder is improved. In order to facilitate the placement of the powder injection device, in the embodiment of the present invention, the bottom of the spring bellows 10 is set to be flat.
In the preferred embodiment of the present invention, in order to facilitate the cleaning of the whole device and the loading and unloading of the powder, the powder bin plug 20 is provided with threads or corrugations at both ends, and the powder bin plug 20 is detachably connected with the spring air bag 10 and/or the powder bin 30. The detachable connection is threaded connection or corrugated connection, the three can be buckled together through the elasticity of materials, the convenience and the cleaning degree of cleaning are improved through the detachable connection, the utilization efficiency of the powder spraying device is improved, and the cyclic utilization is realized.
In the embodiment of the present invention, in order to prevent the leakage of the powder from the connection between the powder bin plug 20 and the spring air bag 10 during spraying, the sealing structure is further provided in the present invention, as shown in fig. 5, an annular sealing groove 11 is provided on the inner wall of the spring air bag 10 contacting the powder bin plug 20, the powder bin plug 20 is provided with a radially protruding sealing ring 21 at the sealing groove 11, and the sealing ring 21 is clamped in the sealing groove 11.
Further, in the embodiment of the present invention, the powder bin 30 is a variable cross-section tube, and the diameter of the powder bin 30 near the powder bin plug 20 is larger than the diameter of the powder bin plug 20 far away. Through the setting of variable cross section, can improve the wind pressure at powder storehouse 30 exit to improve the wind speed and reduce and detain.
Specifically, as shown in fig. 4, the powder bin plug 20 includes a straight tube section 31, a transition section 32 and a tapered tube section 33, the second check valve 50 is disposed on the central axis of the powder bin plug 20, and the air outlet of the second check valve 50 is disposed coaxially with the tapered tube section 33. The straight cylinder section 31 can be used for storing a small amount of medicinal powder, and when the second one-way valve 50 blows air, the medicinal powder in the straight cylinder section 31 can be further blown away, so that the residue is reduced; the length of the transition section 32 is far shorter than that of the tapered pipe section 33, so that the air outlet is suddenly reduced in a short distance, and the air speed is increased, and the tapered pipe section 33 is in a gradually reduced slender shape, so that the smoothness of spraying of the medicinal powder is improved.
With continued reference to fig. 1-3, in an embodiment of the present invention, a cap 60 is further included for detachably connecting to the outlet of the powder bin 30. The cap 60 can be screwed or snapped into the front end of the powder bin 30 to provide a seal.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. A powder ejection device, comprising:
the spring air bag is internally provided with a cavity with one open end and is arranged in a telescopic manner along the length direction;
the powder bin plug is connected with the opening of the spring air bag, one end of the powder bin plug extends into the spring air bag, and the other end of the powder bin plug protrudes out of the opening of the spring air bag;
the powder bin is connected with the powder bin plug, extends in the direction far away from the powder bin plug and is used for placing the powder;
the powder bin comprises a cavity, a spring air bag and a powder bin plug, wherein the spring air bag is provided with a first one-way valve facing the interior of the cavity at a position close to the powder bin plug, and the powder bin plug is provided with a second one-way valve facing the powder bin.
2. A powder ejection apparatus as defined in claim 1, wherein the side wall of the spring air bag is provided in a continuous wave along a length direction thereof.
3. The powder ejection apparatus of claim 2, wherein the first check valve is provided on an inclined wall of a side wall of the spring capsule and is provided toward a bottom of the spring capsule.
4. The powder ejection apparatus as recited in claim 2, wherein a bottom of the spring air pocket is provided as a flat surface.
5. The powder ejection device of claim 1, wherein the powder bin plug is provided with threads or corrugations at both ends thereof, and the powder bin plug is detachably connected to the spring air bag and/or the powder bin.
6. The powder ejection apparatus according to claim 5, wherein an end of the powder silo plug facing the powder silo is provided with a flexible spherical surface with a cross-shaped opening.
7. The powder ejection device of claim 5, wherein an annular sealing groove is formed in an inner wall of the spring air bag, which is in contact with the powder bin plug, and a radially protruding sealing ring is arranged at the sealing groove of the powder bin plug and is clamped in the sealing groove.
8. The powder ejection device according to claim 1, wherein the powder bin is a variable cross-section tube, and a tube diameter of the powder bin near the powder bin plug is larger than a tube diameter of the powder bin far from the powder bin plug.
9. The powder ejection device according to claim 8, wherein the powder cartridge plug includes a straight tube section, a transition section, and a tapered tube section, the second check valve is disposed on a central axis of the powder cartridge plug, and an air outlet of the second check valve is disposed coaxially with the tapered tube section.
10. The powder ejection device according to any one of claims 1 to 9, further comprising a cap detachably attached to the outlet of the powder hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121597540.4U CN215690990U (en) | 2021-07-14 | 2021-07-14 | Powder injection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121597540.4U CN215690990U (en) | 2021-07-14 | 2021-07-14 | Powder injection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215690990U true CN215690990U (en) | 2022-02-01 |
Family
ID=79986708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121597540.4U Active CN215690990U (en) | 2021-07-14 | 2021-07-14 | Powder injection apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215690990U (en) |
-
2021
- 2021-07-14 CN CN202121597540.4U patent/CN215690990U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231107 Address after: 101, 1st to 5th floors, Building 6, Courtyard 4, Renheyuan Second Street, Shunyi District, Beijing, 101300 Patentee after: BEIJING TAIKE SIMAN TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 213100 9, Yang Road, West Taihu science and technology industry, Changzhou, Jiangsu Patentee before: Jiangsu Tyco Berman Medical Equipment Co.,Ltd. |
|
| TR01 | Transfer of patent right |