CN217661005U

CN217661005U - Active powder spraying device with manual metering function

Info

Publication number: CN217661005U
Application number: CN202220279659.5U
Authority: CN
Inventors: 刘金刚; 孙兴保; 纪显
Original assignee: Berry Elite Packaging Jiaxing Co ltd
Current assignee: Berry Elite Packaging Jiaxing Co ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-10-28
Anticipated expiration: 2032-02-11

Abstract

The utility model discloses an active powder spraying device with manual metering, which comprises a nozzle, a powder storage structure, a metering structure, an air chamber and an air piston; the metering structure comprises an installation pipe, and the installation pipe is divided into a gear cavity and a metering cavity above the gear cavity through a partition plate; the powder storage structure and the nozzle are embedded in the metering cavity, and the nozzle is sleeved on the powder storage structure; an upper cover is sleeved on the outer side of the nozzle; the bottom end of the gas piston is provided with a lower cover; the lower cover is connected to the outer side of the bottom end of the air chamber in a sliding manner; the utility model can quantify the powder spraying at each time through the metering structure, so that the powder spraying amount can be controlled by only controlling the powder spraying times, and a better powder spraying effect is ensured; the stress surface of the gas piston is enlarged through the lower cover, and the powder spraying difficulty is reduced; through the upper cover, when the powder spraying device is not used, the spray head can be protected, foreign matters are prevented from falling into the powder storage structure, and a better powder spraying effect is ensured.

Description

Active powder spraying device with manual metering function

Technical Field

The utility model relates to a powder spray device field, concretely relates to take initiative type powder spray device of manual measurement.

Background

At present, the common inhalers on the market basically work passively, that is, if you need to inhale the powder, the patient needs to take active inhalation, and the powder in the inhaler can be inhaled by the patient. Since most of these patients are weak and have weak lung function, they often have difficulty in taking the medicine.

In addition, when the powder is sucked, the suction force of the powder on the powder is different for different patients due to different lung functions, and the powder sucking amount cannot be controlled well.

Based on the circumstances, the utility model provides a take active type powder spray device of manual measurement can effectively solve above problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take active powder spray device of manual measurement. The active powder spraying device with manual metering of the utility model has simple structure and convenient use, and can quantify each powder spraying through the metering structure, so that the powder spraying amount can be controlled by only controlling the powder spraying times, and better powder spraying effect is ensured; the stress surface of the gas piston is enlarged through the lower cover, and the powder spraying difficulty is reduced; through the upper cover, when the powder spraying device is not used, the spray head can be protected, foreign matters are prevented from falling into the powder storage structure, and a good powder spraying effect is ensured; through air chamber and air piston, for the blowout of powder provides power, realize the effect of initiatively dusting, reduce the degree of difficulty that the patient inhales the powder.

The utility model discloses a following technical scheme realizes:

an active powder spraying device with manual metering comprises a nozzle, a powder storage structure, a metering structure, an air chamber and an air piston; the metering structure comprises an installation pipe, and the installation pipe is divided into a gear cavity and a metering cavity above the gear cavity through a partition plate; the powder storage structure and the nozzle are embedded in the metering cavity, and the nozzle is sleeved on the powder storage structure; an upper cover is sleeved on the outer side of the nozzle; the top end of the air chamber is embedded into the bottom end of the mounting pipe; the gas piston is embedded in the gas chamber in a sliding manner; the bottom end of the gas piston is provided with a lower cover; the lower cover is slidably connected to the outer side of the bottom end of the air chamber.

The utility model can quantify each powder spraying through the metering structure, so that the powder spraying amount can be controlled by only controlling the powder spraying times, and a better powder spraying effect is ensured; the stress surface of the gas piston is enlarged through the lower cover, and the powder spraying difficulty is reduced; through the upper cover, when the powder spraying device is not used, the spray head can be protected, foreign matters are prevented from falling into the powder storage structure, and a better powder spraying effect is ensured; through air chamber and gas piston, for the blowout of powder provides power, realize the effect of initiatively dusting, reduce the degree of difficulty that the patient inhales the powder.

Preferably, the metering structure further comprises a counting ring and a transmission gear set which are embedded in the gear cavity; a limiting groove for fixing the transmission gear set is formed in one side, close to the gear cavity, of the partition plate; one side of the partition plate close to the metering cavity is rotatably connected with a metering disc; a gear shaft penetrating to the gear cavity is arranged on the metering disc; a gear ring is arranged in the counting ring; the transmission gear set comprises a transmission shaft which is rotatably embedded in the limiting groove; the transmission shaft is provided with a first gear and a second gear; the first gear is meshed with the gear shaft; the second gear is meshed with the ring gear.

Preferably, a plurality of quantitative holes which are arranged around the gear shaft at equal intervals are arranged on the metering disc; the powder storage structure comprises a powder storage cavity and a powder spraying pipeline embedded in the powder storage cavity; the powder outlet of the powder storage cavity and the powder inlet of the powder spraying pipeline are respectively and correspondingly arranged above the two quantitative holes; and the clapboard is provided with an air outlet corresponding to the powder inlet.

Preferably, a counting groove is formed in the side wall of the metering cavity corresponding to each metering hole; and the side surface of the metering disc is provided with a plurality of elastic sheets for counting, and the outer ends of the elastic sheets are provided with metering lugs matched with the counting grooves.

Preferably, the powder storage structure further comprises a chassis for embedding the powder outlet and the powder inlet; two positioning lugs embedded in the counting groove are arranged on the side surface of the chassis; the bottom surface of the chassis is provided with a positioning hole for embedding the gear shaft; and a limiting ring used for limiting the chassis is arranged on the side wall of the metering cavity.

Preferably, the counting ring is provided with a plurality of driving blocks below the gear ring; and the top of the air chamber is provided with a driving groove for embedding the driving block.

Preferably, a spring is arranged between the air chamber and the air piston; a spring mounting seat for embedding the spring is arranged in the air chamber, and a spring mounting column for mounting the spring is arranged at the top of the air piston; and a vent hole communicated to the gear cavity is formed in the spring mounting seat.

Preferably, a powder adding opening is formed in the top end of the powder storage cavity, and a powder storage cover used for sealing the powder storage cavity is arranged in the nozzle.

Preferably, the mounting pipe is fixedly connected with the upper cover through threads; a rotary ring groove is formed in the bottom end of the inner side of the gear cavity; a rotating ring matched with the rotating ring groove is arranged at the top end of the outer side of the air chamber; and the air chamber is embedded in the gear cavity through the rotating ring groove and the rotating ring.

Preferably, the bottom surface of the metering disc is welded with a breathable film, and the diameter of the breathable holes in the breathable film is smaller than that of the powder particles.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the active powder spraying device with manual metering of the utility model has simple structure and convenient use, and can quantify each powder spraying through the metering structure, so that the powder spraying amount can be controlled by only controlling the powder spraying times, and better powder spraying effect is ensured; the stress surface of the gas piston is enlarged through the lower cover, and the powder spraying difficulty is reduced; through the upper cover, when the powder spraying device is not used, the spray head can be protected, foreign matters are prevented from falling into the powder storage structure, and a better powder spraying effect is ensured; through air chamber and gas piston, for the blowout of powder provides power, realize the effect of initiatively dusting, reduce the degree of difficulty that the patient inhales the powder.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic structural view of the powder storage structure of the present invention;

fig. 4 is a schematic structural view of the installation tube of the present invention;

fig. 5 is a schematic structural view of the counting ring of the present invention;

fig. 6 is a schematic structural view of the transmission gear set of the present invention;

fig. 7 is a schematic structural view of the metering disc of the present invention;

fig. 8 is a schematic structural view of the air chamber of the present invention.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is given with reference to the accompanying examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the present embodiments, certain elements of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Example 1:

as shown in fig. 1 to 8, an active powder spraying device with manual metering comprises a nozzle 1, a powder storage structure 2, a metering structure 3, an air chamber 4 and an air piston 5; the metering structure 3 comprises a mounting pipe 31, and the mounting pipe 31 is divided into a gear cavity 311 and a metering cavity 312 positioned above the gear cavity 311 by a partition plate; the powder storage structure 2 and the nozzle 1 are embedded in the metering cavity 312, and the nozzle 1 is sleeved on the powder storage structure 2; an upper cover 6 is sleeved on the outer side of the nozzle 1; the top end of the air chamber 4 is embedded into the bottom end of the mounting pipe 31; the gas piston 5 is slidably embedded in the gas chamber 4; the bottom end of the gas piston 5 is provided with a lower cover 7; the lower cover 7 is slidably attached to the outside of the bottom end of the air chamber 4.

The utility model can quantify each powder spraying through the metering structure 3, so that the powder spraying amount can be controlled by controlling the powder spraying times, and a better powder spraying effect is ensured; the stress surface of the gas piston 5 is enlarged through the lower cover 7, and the powder spraying difficulty is reduced; through the upper cover 6, when the powder spraying device is not used, the spray head can be protected, foreign matters are prevented from falling into the powder storage structure 2, and a better powder spraying effect is ensured.

Through air chamber 4 and gas piston 5, provide power for the blowout of powder, realize the effect of initiatively dusting, reduce the degree of difficulty that the patient smoked the powder.

The joint of the mounting tube 31 and the upper cover 6 adopts interference fit, so that the connection of the mounting tube 31 and the upper cover 6 has sufficient sealing performance; the joint of the installation pipe 31 and the air chamber 4 adopts interference fit, so that the connection of the installation pipe 31 and the air chamber 4 has enough sealing performance; through the arrangement, the powder spraying device has better sealing performance after the upper cover 6 is closed, and the powder in the powder spraying device is not influenced by moisture in the air.

Further, in another embodiment, the metering structure 3 further comprises a counting ring 32 and a transmission gear set 33 embedded in the gear cavity 311; a limiting groove 313 for fixing the transmission gear set 33 is formed in one side, close to the gear cavity 311, of the partition plate; a metering disc 34 is rotatably connected to one side of the partition plate close to the metering cavity 312; a gear shaft 341 penetrating to the gear cavity 311 is arranged on the measuring disc 34; a gear ring 321 is arranged in the counting ring 32; the transmission gear set 33 comprises a transmission shaft 331 which is rotatably embedded in the limiting groove 313; a first gear 332 and a second gear 333 are arranged on the transmission shaft 331; the first gear 332 is engaged with the gear shaft 341; the second gear 333 meshes with the ring gear 321.

Through the transmission gear set 33, the transmission between the gear ring 321 and the gear shaft 341 is realized, the rotation of the measuring disc 34 is driven, and a better transmission effect is achieved.

Further, in another embodiment, the metering disc 34 is provided with a plurality of metering holes 342 which are equidistantly arranged around the gear shaft 341; the powder storage structure 2 comprises a powder storage cavity 21 and a powder spraying pipeline 22 embedded in the powder storage cavity 21; the powder outlet 211 of the powder storage cavity 21 and the powder inlet 221 of the powder spraying pipeline 22 are respectively and correspondingly arranged above the two quantitative holes 342; and the baffle plate is provided with an air outlet 314 corresponding to the powder inlet 221.

Through the quantitative hole 342, the powder sprayed out each time is quantitative, and a good statistical effect is ensured.

Further, in another embodiment, a counting groove 315 is disposed on the sidewall of the metering chamber 312 corresponding to each metering hole 342; and a plurality of elastic sheets 343 for counting are arranged on the side surface of the metering disc 34, and the outer ends of the elastic sheets 343 are provided with metering lugs 344 matched with the counting grooves 315.

By matching the counting groove 315 with the counting lug 344, when the counting lug 344 falls into the counting groove 315, one of the quantifying holes 342 is definitely rotated to the powder outlet 211 to receive powder, and the other quantifying hole 342 is rotated to the lower part of the powder inlet 221 to complete discharging under the action of the gas piston 5; when the counting protrusion 344 falls into the counting groove 315, the counting protrusion 344 collides with the counting groove 315 under the action of the elastic sheet 343, so that a sound is generated to play a role of prompting.

Further, in another embodiment, the powder storage structure 2 further includes a bottom plate 23 for embedding the powder outlet 211 and the powder inlet 221; two positioning lugs 231 embedded in the counting groove 315 are arranged on the side surface of the chassis 23; the bottom surface of the chassis 23 is provided with a positioning hole 232 for embedding the gear shaft 341; a limiting ring 316 used for limiting the chassis 23 is arranged on the side wall of the metering cavity 312.

The limiting ring 316 and the positioning lug 231 have a good limiting effect on the powder storage structure 2.

Through the positioning hole 232, a good limiting effect is achieved on the metering disc 34.

Further, in another embodiment, the counting ring 32 is provided with a plurality of driving blocks 322 below the gear ring 321; and a driving groove 41 for embedding the driving block 322 is arranged at the top of the air chamber 4.

Further, in another embodiment, a spring 8 is arranged between the air chamber 4 and the air piston 5; a spring mounting seat 42 for embedding the spring 8 is arranged in the air chamber 4, and a spring mounting column 51 for mounting the spring 8 is arranged at the top of the air piston 5; a vent hole 43 communicated to the gear cavity 311 is formed in the spring mounting seat 42.

The spring 8 plays a role of resetting.

Further, in another embodiment, a powder adding opening is formed at the top end of the powder storage cavity 21, and a powder storage cover 11 for sealing the powder storage cavity 21 is arranged in the nozzle.

Further, in another embodiment, the mounting tube 31 is fixedly connected with the upper cover 6 through threads; a rotating ring groove 317 is formed in the bottom end of the inner side of the gear cavity 311; the top end of the outer side of the air chamber 4 is provided with a rotating ring 44 matched with the rotating ring groove 317; and the air chamber 4 is embedded in the gear cavity 311 through the rotating ring groove 317 and the rotating ring 44.

Further, in another embodiment, a gas-permeable membrane is welded on the bottom surface of the metering disc 34, and the diameter of the gas-permeable holes on the gas-permeable membrane is smaller than that of the powder particles.

The air permeable membrane allows powder to be better retained in the quantitative hole 342, and the air discharged from the air chamber 4 can also eject the powder through the air permeable membrane.

The utility model discloses a theory of operation of an embodiment as follows:

an active powder spraying device with manual metering is characterized in that an upper cover 6 is taken down, a mounting pipe 31 is pinched, a rotary air chamber 4 is selected, and the air chamber 4 drives a counting ring 32 to rotate together through the matching of a driving groove 41 and a driving block 322; the counting ring 32 drives the transmission gear set 33 to rotate through the matching of the gear ring 321 and the first gear 332; the transmission gear set 33 drives the metering disc 34 to rotate through the matching of the second gear 333 and the gear shaft 341; when the metering lug 344 of the metering disc 34 falls into the counting groove 315 and collides, a click sound is heard, and the air chamber 4 stops rotating; at this time, the quantitative hole 342 filled with the powder is just above the air outlet 314, the lower cover 7 is pushed upward, the air piston 5 is driven to compress the cavity of the air chamber 4, the air in the air chamber 4 is ejected from the nozzle 1 through the vent hole 43 and the air outlet 314, and the powder is ejected from the nozzle 1 along with the air.

The first use requires several more turns until the dosing aperture 342 containing the powder is located above the outlet aperture 314 after the three clicks are heard.

If it is determined that the powder in the quantitative hole 342 is not completely sprayed, the lower cap 7 may be pushed several times.

According to the description and drawings of the present invention, those skilled in the art can easily make or use the active powder spraying device with manual metering of the present invention, and can produce the positive effects described in the present invention.

Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated on the drawings, it is only for convenience of describing the present invention and simplifying the description, but it does not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation and be operated, therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances with reference to the drawings.

Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.

Claims

1. The utility model provides a take active type powder spray device of manual measurement which characterized in that: comprises a nozzle (1), a powder storage structure (2), a metering structure (3), an air chamber (4) and an air piston (5); the metering structure (3) comprises a mounting pipe (31), and the mounting pipe (31) is divided into a gear cavity (311) and a metering cavity (312) above the gear cavity (311) through a partition plate; the powder storage structure (2) and the nozzle (1) are embedded in the metering cavity (312), and the nozzle (1) is sleeved on the powder storage structure (2); an upper cover (6) is sleeved on the outer side of the nozzle (1); the top end of the air chamber (4) is embedded into the bottom end of the mounting pipe (31); the gas piston (5) is embedded in the gas chamber (4) in a sliding manner; the bottom end of the gas piston (5) is provided with a lower cover (7); the lower cover (7) is connected to the outer side of the bottom end of the air chamber (4) in a sliding mode.

2. An active powder spraying device with manual metering as claimed in claim 1, wherein: the metering structure (3) further comprises a counting ring (32) and a transmission gear set (33) which are embedded in the gear cavity (311); a limiting groove (313) for fixing the transmission gear set (33) is formed in one side, close to the gear cavity (311), of the partition plate; a metering disc (34) is rotatably connected to one side of the partition plate, which is close to the metering cavity (312); a gear shaft (341) penetrating to the gear cavity (311) is arranged on the metering disc (34); a gear ring (321) is arranged in the counting ring (32); the transmission gear set (33) comprises a transmission shaft (331) which is rotatably embedded in the limiting groove (313); a first gear (332) and a second gear (333) are arranged on the transmission shaft (331); the first gear (332) is meshed with the gear shaft (341); the second gear (333) meshes with the ring gear (321).

3. An active powder spraying device with manual metering according to claim 2, characterized in that: a plurality of quantitative holes (342) which are arranged around the gear shaft (341) at equal intervals are arranged on the metering disc (34); the powder storage structure (2) comprises a powder storage cavity (21) and a powder spraying pipeline (22) embedded in the powder storage cavity (21); the powder outlet (211) of the powder storage cavity (21) and the powder inlet (221) of the powder spraying pipeline (22) are respectively and correspondingly arranged above the two quantitative holes (342); and the clapboard is provided with an air outlet (314) corresponding to the powder inlet (221).

4. An active powder spraying device with manual metering according to claim 3, characterized in that: a counting groove (315) is formed in the side wall of the metering cavity (312) corresponding to each metering hole (342); and a plurality of elastic sheets (343) for counting are arranged on the side surface of the metering disc (34), and the outer ends of the elastic sheets (343) are provided with metering lugs (344) matched with the counting grooves (315).

5. An active powder spraying device with manual metering as claimed in claim 4, wherein: the powder storage structure (2) further comprises a chassis (23) which is used for embedding the powder outlet (211) and the powder inlet (221); two positioning lugs (231) which are embedded in the counting groove (315) are arranged on the side surface of the chassis (23); a positioning hole (232) for embedding the gear shaft (341) is formed in the bottom surface of the chassis (23); and a limiting ring (316) used for limiting the chassis (23) is arranged on the side wall of the metering cavity (312).

6. An active powder spraying device with manual metering according to claim 2, characterized in that: the counting ring (32) is provided with a plurality of driving blocks (322) below the gear ring (321); and a driving groove (41) for embedding the driving block (322) is arranged at the top of the air chamber (4).

7. An active powder spraying device with manual metering as claimed in claim 1, wherein: a spring (8) is arranged between the air chamber (4) and the air piston (5); a spring mounting seat (42) for embedding the spring (8) is arranged in the air chamber (4), and a spring mounting column (51) for mounting the spring (8) is arranged at the top of the air piston (5); and a vent hole (43) communicated to the gear cavity (311) is formed in the spring mounting seat (42).

8. An active powder spraying device with manual metering as claimed in claim 3, wherein: the top end of the powder storage cavity (21) is provided with a powder adding opening, and a powder storage cover (11) used for sealing the powder storage cavity (21) is arranged in the nozzle.

9. An active powder spraying device with manual metering as claimed in claim 1, wherein: the mounting pipe (31) is fixedly connected with the upper cover (6) through threads; a rotating ring groove (317) is formed in the bottom end of the inner side of the gear cavity (311); a rotating ring (44) matched with the rotating ring groove (317) is arranged at the top end of the outer side of the air chamber (4); and the air chamber (4) is embedded in the gear cavity (311) through the rotating ring groove (317) and the rotating ring (44).

10. An active powder spraying device with manual metering according to claim 2, characterized in that: the bottom surface of the metering disc (34) is welded with a breathable film, and the diameter of the breathable holes in the breathable film is smaller than that of the powder particles.