CN108969853B

CN108969853B - Quantitative atomization drug delivery device

Info

Publication number: CN108969853B
Application number: CN201810624625.3A
Authority: CN
Inventors: 阚晓震
Original assignee: Cf Pharmtech Co ltd
Current assignee: CF PHARMTECH Co.,Ltd.
Priority date: 2018-06-16
Filing date: 2018-06-16
Publication date: 2021-03-02
Anticipated expiration: 2038-06-16
Also published as: CN108969853A

Abstract

The invention discloses a quantitative atomization drug delivery device, which comprises an atomization main body, wherein the top of the atomization main body is connected with a sealing cover, the top of the sealing cover is an atomization pipe, the right end of the top of the atomization pipe is provided with a bearing, the inner diameter of the bearing is inserted with a connecting lining, and a breathing mask is inserted in the connecting lining; the atomization main body is of a cylindrical structure, a medicine storage cavity is arranged in the atomization main body, an inner layer wall and a middle layer wall are arranged on the bottom surface of the medicine storage cavity, and a quantitative medicine storage box is connected to the middle layer wall in a threaded mode; under the atomizing main part, be provided with a balancing weight, the top center department of air supply pipe is provided with a high-pressure gas pocket, on the air supply pipe, be provided with one under the assembly arch and revolve and twist the ring, be provided with on the air supply pipe outer wall and run through inside and outside gas supply mouth. Through the design, the invention can realize two functions of single oxygen inhalation and atomization administration, and also can realize the quick assembly of the quantitative medicine storage box and prevent the medicine from spilling in the using process.

Description

Quantitative atomization drug delivery device

Technical Field

The invention relates to the technical field of atomization drug delivery, in particular to a quantitative atomization drug delivery device.

Background

It is known that aerosol inhalation therapy mainly refers to aerosol inhalation therapy, and the aerosol refers to tiny solid or liquid particles suspended in air, and the aerosol disperses the medicine into tiny droplets or particles through an atomization device, so that the tiny droplets or particles are suspended in air and enter a breathing passage and lungs to achieve the purposes of cleaning the air passage, humidifying the air passage, local therapy and whole body therapy, and because of having better therapeutic effect, the aerosol inhalation device has wide application at home and abroad in recent years, but the existing aerosol inhalation device has technical disadvantages, which are reflected in that: 1. the existing atomization inhalation device has single function, is only used as a drug atomization therapeutic apparatus, and cannot be directly used as oxygen inhalation and atomization equipment for simultaneous use after being installed on an oxygen inhalation port when being used in a hospital ward, so that medical personnel need to replace an atomizer and an oxygen inhaler for many times, and inconvenience is brought to the medical personnel; 2. when the existing atomization inhalation device is used, a medical worker needs to dispense medicines, and prepared liquid medicine is poured into an atomizer to carry out atomization operation, so that when multiple patients carry out atomization treatment at the same time, a certain working pressure is brought to the medical worker by complicated medicine dispensing work; 3. when using, the existing atomization inhalation device must require a patient to sit upright, and when the patient sits askew, the liquid medicine can be poured out, and the patient can be uncomfortable by carrying out atomization treatment for a long time, especially for children, and the atomization treatment process can be influenced by the dysphoric mood.

To overcome the drawbacks in the prior art, as a technical person in the industry, how to design a quantitative atomization drug delivery device which is convenient to use, can quantitatively deliver drug and can prevent liquid medicine from spilling through improvement is a technical problem to be solved urgently by technical persons in the industry.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, it is an object of the present invention to provide a metered dose aerosolization device that overcomes the disadvantages of the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a quantitative atomization drug delivery device comprises an atomization main body, wherein the top of the atomization main body is in threaded connection with a sealing cover, the center of the top of the sealing cover extends upwards to form an atomization pipe, the atomization pipe is in an inverted L-shaped design, the right end of the top of the atomization pipe is provided with a bearing, the bearing is embedded in the atomization pipe and is in interference fit with the atomization pipe, a connecting lining is inserted into the inner diameter of the bearing, and a breathing mask is inserted into the connecting lining; the outer side of the bottom end of the sealing cover is provided with a screwing force application bulge; the atomizing main body below the sealing cover is of a cylindrical structure, a medicine storage cavity is arranged in the atomizing main body, the bottom surface of the medicine storage cavity is arranged in a protruding mode, a center hole is formed in the center of the medicine storage cavity in a penetrating mode, the center hole is surrounded by the center hole in the bottom surface of the medicine storage cavity, an inner layer wall and a middle layer wall are arranged on the bottom surface of the medicine storage cavity, the inner layer wall and the middle layer wall are designed to be equal in height, an annular groove is formed between the inner layer wall and the middle layer wall, an external thread is arranged on the outer side surface of the middle layer wall, a quantitative medicine storage box is connected to the external thread in a threaded mode, a plurality of penetrating air holes in the inner layer wall;

an annular balancing weight is arranged in the inner recess at the bottom of the atomizing main body under the atomizing main body, the outer diameter of the balancing weight is matched with the bottom surface of the atomizing main body, a plurality of countersunk threaded holes are arranged on the outer diameter of the atomizing main body in the direction of the bottom of the atomizing main body facing the balancing weight, and the countersunk threaded holes are uniformly distributed on the outer diameter of the atomizing main body by taking the central line of the atomizing main body as the axis; at least two threaded holes are uniformly distributed on the inner wall of the inner diameter of the balancing weight; the lower half part of the air supply pipe, the part of the air supply pipe, which is combined with the counterweight block, is provided with an assembly bulge matched with the inner diameter of the counterweight block, the assembly bulge is provided with a plurality of strip grooves, the strip grooves are correspondingly arranged with threaded holes on the inner wall of the counterweight block, each strip groove corresponds to one threaded hole, and the assembly bulge is fixed on the counterweight block through one fixing screw rod in each threaded hole; the first half section of air supply pipe inserts the end for the air supply pipe, and the top center department that the end was inserted to the air supply pipe is provided with a high-pressure gas pocket, high-pressure gas pocket set up under the reposition of redundant personnel post, on the air supply pipe, be provided with one under the assembly arch and revolve and twist the ring, be provided with on the air supply pipe outer wall and run through inside and outside gas supply mouth.

Correspond a plurality of countersunk screw holes in the atomizing main part, be provided with a plurality of blind holes on the external diameter of balancing weight, the blind hole all correspond the setting with countersunk screw hole.

The quantitative medicine storage box is designed to be a circular-ring cylindrical structure, and the maximum outer diameter of the quantitative medicine storage box cannot exceed half of the maximum inner diameter of the atomization main body; the top of the quantitative medicine storage box is provided with a sealing cover, the sealing cover is fixedly connected with an external thread on the external diameter of the top end of the quantitative medicine storage box, the center of the quantitative medicine storage box is provided with an air supply pipe through hole, the internal diameter of the air supply pipe through hole is matched with the external diameter of an air supply pipe insertion end, and the standard that the air supply pipe insertion end can be smoothly inserted without shaking is adopted; the bottom end of the quantitative medicine storage box is provided with a fixed inner recess, an inner recess thread is arranged on the fixed inner recess, the inner recess thread is fixedly connected with the outer diameter thread of the middle layer wall, and the depth of the fixed inner recess is the same as the height of the middle layer wall; a bottom protective cap is arranged at the bottom of the fixed inner recess, and the upper half part of the bottom protective cap is fixedly connected with the inner recess through threads; the bottom of the quantitative medicine storage box is sealed, the top of the quantitative medicine storage box is plugged by a sealing cover, and a medicine storage cavity is arranged between the air supply pipe through hole and the outer side wall.

The fixing screw is designed to be a half-thread half-positioning shaft, the foremost end of the fixing screw is a thread section, the rear end of the thread section is a positioning shaft, the positioning shaft is designed to be a polished rod, and the length of the positioning shaft is the same as the thickness of the assembling bulge; the outer diameter of the positioning shaft is larger than the outer diameter of the thread top of the thread section.

The lower half position of air supply pipe sets up a plurality of rectangular grooves on the assembly arch and runs through the protruding inside and outside setting of assembly, the rectangular groove be the arcuation design, the rectangular groove uses the air supply central line to set up on the assembly arch as the axis equipartition, the positioning shaft diameter on the groove width in rectangular groove and the set screw matches to do not rock after the positioning shaft inserts as the standard.

The atomizing pipe comprises an atomizing pipe body and is characterized in that a blocking ring is arranged inside the right end face of the top of the atomizing pipe body, a bearing is arranged on the right side of the blocking ring, a left side sealing gasket is arranged between the bearing and the blocking ring, a large sealing ring is arranged on the right side of the bearing, a connecting lining is arranged on the right side of the large sealing ring, the center of the connecting lining is inserted into the bearing, a reverse clamping hook is arranged on the left end face of the connecting lining, the reverse clamping hook corresponds to the reverse clamping hook, and an outer diameter clamping groove is formed in the right end face.

The breathing mask is characterized in that an insertion pipe matched with the connecting lining is arranged on one side of the breathing mask combined with the connecting lining, and the insertion pipe can be smoothly inserted into the connecting lining and does not shake as a standard.

On the atomizing main part, be provided with the arrow mark on its bottom external diameter, corresponding with the arrow mark, twist to be provided with on the ring and twist soon the integrative position mark of ring, the position mark close balancing weight bottom surface setting, the position mark set up the position and gas supply mouth set up the position corresponding, when arrow mark and position mark coincide set up, the inlayer wall bleeder vent that sets up on gas supply mouth and the inlayer wall link up.

The inner diameter of the connecting lining is designed as a stepped hole, the inserting pipe is designed as a stepped shaft, and when the inserting pipe on the breathing mask is inserted into the stepped hole, the inserting pipe on the breathing mask is coated by the inner diameter of the connecting lining.

The air supply pipe is characterized in that a circle of sealing clamping groove is formed in the outer diameter of the air supply pipe, a sealing rubber ring is arranged around the inside of the sealing clamping groove and clamped in the sealing clamping groove, and the air supply pipe passing hole and the air supply pipe are sealed by the sealing rubber ring.

The invention has the following beneficial effects: according to the design, the quantitative medicine storage box is arranged in the atomization main body, and is fixedly connected with the external thread on the middle layer wall in the atomization main body through the special quantitative medicine storage box; moreover, when atomization operation is not needed, the quantitative medicine storage box is detached, the positioning mark is coincided with the arrow mark on the outer diameter of the bottom of the atomization main body by screwing the screwing ring, and the product can serve as an oxygen absorption terminal to be used, so that a using mode of a single instrument with multiple purposes can be realized; in addition, the bearing is arranged at the top of the right end of the atomizing pipe, so that one end of the atomizing main body is always arranged vertically downwards during atomizing inhalation operation, and the phenomenon that the atomized main body inclines during atomizing treatment is prevented from spilling medicine is avoided.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the mounting structure of the bottom of the atomizing body according to the present invention;

FIG. 3 is a schematic view showing the sectional structure of the inside of the quantitative drug storage case according to the present invention;

FIG. 4 is a schematic view showing the cross-sectional structure of the inner part of the quantitative drug storage case of the present invention;

FIG. 5 is an enlarged view of the structure of area A in FIG. 3;

FIG. 6 is an enlarged view of the structure of the fixing screw according to the present invention;

FIG. 7 is an enlarged schematic sectional view of a gas supply pipe according to the present invention;

FIG. 8 is an enlarged view of the structure of the area B in FIG. 4;

FIG. 9 is a schematic view of a connection structure of an atomizing main body and an atomizing pipe according to the present invention;

FIG. 10 is a perspective view of the finished product of the quantitative storage box of the present invention;

FIG. 11 is a bottom view of the structure of the quantitative drug storage case of the present invention;

in the figure, 1, an atomizing main body, 2, a sealing cover, 3, an air supply pipe, 4, a balancing weight, 5, a connecting lining, 6, a fixing screw rod, 7, a quantitative medicine storage box, 11, a countersunk threaded hole, 12, an arrow mark, 13, a screw rod, 14, a medicine storage cavity, 15, a middle layer wall, 16, an annular groove, 17, an inner layer wall, 18, an inner layer wall air hole, 21, a screwing force application bulge, 22, an atomizing pipe, 23, a flow distribution plate, 24, a hole, 25, a flow distribution column, 26, an insertion pipe, 27, a breathing mask, 31, a screwing ring, 32, an assembly bulge, 33, a long strip groove, 34, an air supply pipe insertion end, 35, an air supply port, 36, a high-pressure air hole, 37, a sealing clamping groove, 38, a sealing rubber ring, 51, a bearing, 52, a large sealing ring, 53, a reverse clamping hook, 54, a left sealing gasket, 55, a blocking ring, 56, an outer diameter clamping groove, 61, bottom protective cap, 72, concave screw thread, 73, fixed concave, 74, external screw thread, 75, liquid medicine cavity, 76, air supply pipe through hole, 77, top cap.

Detailed Description

The invention is further described below by means of embodiments,

a quantitative atomization drug delivery device comprises an atomization main body 1, the top of the atomization main body 1 is in threaded connection with a sealing cover 2, the center of the top of the sealing cover 2 extends upwards to form an atomization tube 22, the atomization tube 22 is in an inverted L-shaped design, the right end of the top of the atomization tube is provided with a bearing 51, the bearing 51 is embedded in the atomization tube 22 and is in interference fit with the atomization tube 22, a connecting lining 5 is inserted in the inner diameter of the bearing 51, a breathing mask 27 is inserted in the connecting lining 5, the inner side of the bottom of the sealing cover 2 is provided with connecting threads, a splitter plate 23 is uniformly distributed at the center of the inner part of the sealing cover, a plurality of through holes 24 are formed in the splitter plate 23, and a splitter column 25 is arranged at the center of the bottom of the; the outer side of the bottom end of the sealing cover 2 is provided with a screwing force application bulge 21; the atomizing main body 1 below the sealing cover 2 is of a cylindrical structure, a medicine storage cavity 14 is arranged in the atomizing main body, the bottom surface of the medicine storage cavity 14 is arranged in a protruding mode, a center hole is formed in the center of the bottom surface of the medicine storage cavity 14 in a penetrating mode, the center hole surrounds the center hole in the bottom surface of the medicine storage cavity 14, an inner layer wall 17 and a middle layer wall 15 are arranged on the bottom surface of the medicine storage cavity 14, the inner layer wall 1 and the middle layer wall 15 are designed to be equal in height, an annular groove 16 is formed between the inner layer wall 1 and the middle layer wall 15, an external thread is arranged on the outer side surface of the middle layer wall 15, a quantitative medicine storage box 7 is connected to the external thread in a threaded mode, a plurality of penetrating air holes 18 in;

an annular balancing weight 4 is arranged in the inner recess of the bottom of the atomization main body 1 right below the atomization main body 1, the outer diameter of the balancing weight 4 is matched with the bottom surface of the atomization main body 1, a plurality of countersunk threaded holes 11 are formed in the outer diameter of the atomization main body 1 and the bottom of the atomization main body faces the direction of the balancing weight 4, and the countersunk threaded holes 11 are uniformly distributed on the outer diameter of the atomization main body 1 by taking the central line of the atomization main body 1 as an axis; at least two threaded holes are uniformly distributed on the inner wall of the inner diameter of the balancing weight 4; an assembly bulge 32 matched with the inner diameter of the balancing weight is arranged at the lower half part of the air supply pipe 3 and the combining part of the air supply pipe and the balancing weight 4, a plurality of strip grooves 33 are arranged on the assembly bulge 32, the strip grooves 33 are correspondingly arranged with threaded holes on the inner wall of the balancing weight 4, each strip groove 33 corresponds to one threaded hole, and the assembly bulge 32 is fixed on the balancing weight 4 through one fixing screw rod 6 in each threaded hole; the first half section of air supply pipe 3 inserts end 34 for the air supply pipe, and the top center department that the end 34 was inserted to the air supply pipe is provided with a high pressure gas pocket 36, high pressure gas pocket 36 set up under reposition of redundant personnel post 25, on air supply pipe 3, be provided with one under assembly arch 32 and revolve and twist ring 31, be provided with on the air supply pipe 3 outer wall and run through inside and outside gas supply mouth 35.

Example 1: through the above explanation of the structure, the following further explains the usage of the product of the present invention and the beneficial effects brought by the product by the specific embodiments:

as shown in fig. 3, when the product of the present invention is used to perform the aerosol treatment on a patient, firstly, the sealing cap 2 at the top of the main atomizing body 1 is opened, and the quantitative drug storage box 7 is screwed onto the external thread on the outer side surface of the middle layer wall 15 on the bottom surface of the drug storage cavity 14, when the size of the quantitative drug storage box 7 is set, attention needs to be paid, the quantitative drug storage box 7 is designed to be a circular cylindrical structure, the maximum external diameter of the quantitative drug storage box 7 does not exceed half of the maximum internal diameter of the main atomizing body 1, and the quantitative drug storage box 7 must be vertically placed during installation, and the purpose of setting the volume and the assembly mode is to facilitate the manufacture of the quantitative drug storage box 7 and to be more convenient and faster during; after the air supply pipe insertion end 34 is smoothly inserted into the air supply pipe through hole 76 at the center of the quantitative medicine storage box 7, the quantitative medicine storage box 7 is screwed to be fixed, after the fixing is finished, because the high-pressure air hole 36 is arranged at the top center of the air supply pipe insertion end 34, when the sealing cover 2 is fixed on the atomization main body 1, high-pressure air is sprayed towards the direction of the diversion column 25 through the high-pressure air hole 36, so that a Venturi nozzle structure is formed, liquid in the medicine storage cavity 14 is gasified and blown towards the diversion plate 23 in the sealing cover 2, atomized air is blown towards the atomization pipe 22 at the top in a plurality of up-and-down through holes 24 on the diversion plate 23, the medicine application to a patient is realized through the breathing mask 27 at the right end of the top of the atomization pipe, and an external air source is that a centralized air supply valve in a ward is communicated with the;

through the use of the above mode, the product of the invention can realize a quantitative type rapid drug delivery mode, however, a user can also encounter the problem that the drug in the drug storage cavity 14 is easy to spill in the actual use process, when a patient uses the device, if the patient lies on side or lies on back, the head of the patient is always kept to be vertically placed, otherwise, the liquid drug can be spilled on the side of the drug storage cavity 14, the use is influenced, and in order to avoid the generation of the above phenomena, the scheme is provided with the following settings: a bearing 51 is arranged at the right end of the top of the atomizing pipe 22, the bearing 51 is embedded in the atomizing pipe 22 and is in interference fit with the atomizing pipe 22, a connecting lining 5 is inserted at the inner diameter of the bearing 51, a breathing mask 27 is inserted in the connecting lining 5, an inserting pipe 26 matched with the connecting lining 5 is arranged on one side of the breathing mask combined with the connecting lining 5, and the inserting pipe 26 can be smoothly inserted into the connecting lining 5 and does not shake as a standard; under the design of above structure, through set up bearing 51 at the top right-hand member of atomizing pipe 22 to this realizes atomizing main part 1 and respirator 27 and combines the back, can realize atomizing main part 1 free rotation under the effect of atomizing main part 1 self gravity, makes atomizing main part 1 remain vertical decurrent setting throughout.

On the basis of the above structure, the invention is provided with a stop ring 55 in the top right end face of the sealing cover 2, the stop ring 55 and the atomizing pipe 22 on the sealing cover 2 are in an integrated structure, the right side of the stop ring 55 is provided with a bearing 51, a left side sealing gasket 54 is arranged between the bearing 51 and the stop ring 55, the right side of the bearing 51 is provided with a large sealing ring 52, the right side of the large sealing ring 52 is provided with a connecting lining 5, the center of the connecting lining 5 is inserted into the bearing 51 and is in interference fit with the bearing 51, the maximum outer diameter of the connecting lining 5 is provided with a reverse clamping hook 53 on the left end face, the reverse clamping hook 53 is arranged corresponding to the reverse clamping hook 53, the right end of the atomizing pipe 22 is provided with an outer diameter clamping groove 56, when the connecting lining 5 is completely inserted into the atomizing pipe 22, the reverse clamping hook 53 is hooked on the outer diameter clamping groove 56, because the connecting lining 5 and the bearing 51 are matched, at the reducing position, the left side sealing gasket 54 and the large sealing ring 52 are fixed through the extrusion of the reducing step.

The left sealing gasket 54 and the large sealing ring 52 are both made of rubber materials, and the bearing 51 is coated by the left sealing gasket and the large sealing ring together, so that the effects are as follows: 1. preventing the atomized liquid from being contaminated by oil stains inside the bearing 51; 2. when the bearing 51 is used, atomized gas generated after high-pressure gas and liquid medicine are mixed contains more moisture, if the bearing 51 is contacted with the atomized gas containing the moisture for a long time, corrosivity can be generated, and the bearing can be irreversibly damaged, and through the use of the left sealing gasket 54 and the large sealing ring 52, the atomized gas inside and outside the bearing 51 can be isolated, so that the bearing 51 can be prevented from being damaged by the atomized gas.

The device realizes that the atomization main body 1 is always arranged vertically downwards under the action of the self gravity of the atomization main body 1, and in order to consider the cost, the atomization main body 1, the sealing cover 2 and the atomization tube 22 are made of plastic materials, the weight of the device is limited, when the liquid medicine in the atomization main body 1 is less, the force borne on the atomization main body 1 is smaller, so that the atomization main body 1 can not smoothly rotate on a bearing, for further improvement, an annular balancing weight 4 is arranged in an inner recess at the bottom of the atomization main body 1, the outer diameter of the balancing weight 4 is matched with the bottom surface of the atomization main body 1, a plurality of countersunk threaded holes 11 are arranged on the outer diameter of the atomization main body 1 in the direction of the bottom of the atomization main body 1 towards the balancing weight 4, and the plurality of countersunk threaded holes 11 are uniformly distributed on the outer diameter of the atomization main body 1 by taking the central line of the atomization main body 1 as the axis, correspond a plurality of countersunk screw holes 11, set up the blind hole on the external diameter of balancing weight 4, twist soon through outside screw rod 13 and insert again to the blind hole on the external diameter of balancing weight 4 after countersunk screw hole 11, with this kind of mode, through a plurality of screw rods 13 with balancing weight 4 lock die fix in the bottom of atomizing main part 1, the setting up of balancing weight multiplicable atomizing main part 1 self weight, make the smooth and easy rotation of atomizing main part 1 relative bearing 51, thereby keep respirator 27's vertical setting throughout.

Example 2:

based on the above explanation of embodiment 1, the present invention can realize the function of quantitative aerosol administration, and based on the above function, as shown in fig. 4, the present invention can also realize that it can be directly used as an oxygen inhalation device, which avoids medical staff from replacing instruments for many times, and the function of the present invention is described as follows:

the upper half section of the air supply pipe 3 is an air supply pipe insertion end 34, a high-pressure air hole 36 is arranged at the top center of the air supply pipe insertion end 34, an assembly bulge 32 matched with the inner diameter of the balancing weight is arranged on the lower half part of the air supply pipe 3 and combined with the balancing weight 4, a plurality of strip grooves 33 are arranged on the assembly bulge 32, the strip grooves 33 are arranged corresponding to threaded holes in the inner wall of the balancing weight 4, each strip groove 33 corresponds to one threaded hole, the assembly bulge 32 is fixed on the balancing weight 4 through a fixing screw 6 in each threaded hole, a screwing ring 31 is arranged right below the assembly bulge 32, and an air supply port 35 penetrating through the inside and the outside is arranged on the outer wall of the air supply pipe 3;

referring to fig. 6, 7 and 8, since the assembling protrusion 32 is provided with a plurality of elongated grooves 33, the fixing screw 6 passes through the elongated grooves and is in threaded connection with the counterweight block 4, so that the assembling protrusion 32 is fixed, and at the same time, the whole gas supply pipe 3 can be ensured to rotate together when the screwing ring 31 is screwed, and the rotation range is limited within the length range of the elongated grooves 33; because the outer wall of the air supply pipe 3 is provided with the air supply port 35 which penetrates through the inside and the outside, when the air supply pipe 3 is rotated, the air supply port 35 is communicated with the air holes 18 of the inner wall 17, the sealing cover 2 at the top of the atomization main body 1 is opened, the quantitative medicine storage box 7 is screwed and removed and then the sealing cover 2 is screwed and sealed, after the centralized air supply valve in a ward is communicated with the bottom of the air supply pipe 3, as shown in fig. 4, centralized oxygen supply can directly enter the breathing mask through the holes 24 on the flow distribution plate 23, and therefore, a patient can inhale oxygen.

Furthermore, because the screwing ring 31 is arranged at the bottom of the gas supply pipe 3, the gas supply port 35 and the inner wall air vent 18 are both arranged inside the atomizing main body 1, the corresponding situation of the gas supply port 35 and the inner wall air vent 18 is not easy to determine when an operator screws, an arrow mark 12 is arranged on the outer diameter of the bottom of the atomizing main body 1, a positioning mark 41 integrated with the screwing ring is arranged on the screwing ring 31 corresponding to the arrow mark 12, the positioning mark 41 is arranged by being attached to the bottom surface of the balancing weight, the arrangement position of the positioning mark 41 corresponds to the arrangement position of the gas supply port 35, and when the arrow mark 12 and the positioning mark 41 are arranged in a superposition manner, the gas supply port 35 is communicated with the inner wall air vent 18 arranged on the inner wall; when atomizing, the screw ring 31 is screwed, and the arrow mark 12 and the positioning mark 41 are not overlapped, so that the atomizing can be performed. The device is greatly convenient for operators to use through the design.

Furthermore, the air supply pipe 3 is fixed by the fixing screw 6 penetrating through the long groove and the balancing weight 4 in threaded connection, the assembly protrusion 32 is fixed, and meanwhile, when the screwing ring 31 is required to be screwed, the whole air supply pipe 3 rotates together, so that the corresponding conditions of the air supply port 35 and the air holes 18 in the inner layer wall are adjusted, two defects can occur when the assembly protrusion 32 is fixed by adopting a common full-thread fixing screw, 1. when the full-thread fixing screw penetrates through the assembly protrusion 32, the locking force is not easy to control, if the locking force is too large, the air supply pipe 3 cannot rotate, and if the locking force is too small, the air supply pipe 3 vertically shakes; 2. when the fixing screw 6 with full threads passes through the assembling protrusion 32, the width of the long groove 33 on the assembling protrusion 32 needs to be completely matched with the maximum outer diameter of the fixing screw 6, but when the threads on the fixing screw 6 and the long groove 33 are worn for a long time, the width of the long groove 33 is increased, the gas supply pipe 3 shakes, the compactness of the product after integral assembling is reduced, and the service life is influenced.

In view of the above disadvantages, as shown in fig. 6, the fixing screw 6 is designed as a half-threaded half-positioning shaft, the foremost end of the fixing screw is a threaded section 62, the rear end of the threaded section 62 is a positioning shaft 61, the positioning shaft 61 is designed as a polished rod, the length of the positioning shaft 61 is the same as the thickness of the assembling protrusion 32, the outer diameter of the positioning shaft 61 is larger than the outer diameter of the crest of the threaded section 62, the diameter of the positioning shaft 61 is matched with the width of the long groove 33, the positioning shaft 61 does not shake after being inserted, and the length of the threaded section 62 is the same as the depth of a threaded hole on the inner diameter of the counterweight block 4, when the threaded section 62 is screwed to the deepest position, the air supply pipe 3 is firmly fixed on the; in order to ensure that the air supply pipe 3 can smoothly rotate on the horizontal plane, a plurality of long grooves 33 on the assembling protrusion 32 are uniformly distributed on the assembling protrusion 32 by taking the central line of the air supply pipe 3 as the axis, and the assembling protrusion 32 is fixed by the plurality of long grooves 33 together.

Example 3:

on the basis of the above mechanism design, for the leakproofness when guaranteeing breathing mask 27 and connecting lining 5 cooperation, the internal diameter of connecting lining 5 be the shoulder hole design, insert tube 26 is the design of shoulder shaft, when insert tube 26 on breathing mask 27 inserted to the shoulder hole inside, insert tube 26 on breathing mask 27 was designed by shoulder hole cladding in order to improve the leakproofness of breathing mask 27 department, breathing mask 27 design for disposable product.

Furthermore, when the air supply pipe 3 is assembled with the atomizing main body 1, the air supply pipe is realized by matching the air supply pipe insertion end 34, the air supply pipe through hole 76 at the center of the quantitative medicine storage box 7 and the inner wall 17, in order to prevent air from leaking between the air supply pipe insertion end 34 and the air supply pipe through hole 76 or the inner wall 17, a circle of sealing clamping groove 37 is arranged on the outer diameter of the air supply pipe insertion end 34, a sealing rubber ring 38 is arranged around the inside of the sealing clamping groove 37, the sealing rubber ring 38 is clamped in the sealing clamping groove 37, and the sealing rubber ring 38 seals between the air supply pipe through hole 76 and the air supply pipe insertion end 34.

Example 4:

as shown in fig. 10 and 11, when the product of the present invention is used for aerosol treatment, a quantitative drug storage box 7 must be assembled for use, the quantitative drug storage box 7 is designed to be a circular cylinder, a top cap 77 is disposed on the top of the quantitative drug storage box 7, the top cap 77 is fixedly connected with an external thread on the top outer diameter of the quantitative drug storage box 7, a gas supply pipe through hole 76 is disposed at the center of the quantitative drug storage box 7, the inner diameter of the gas supply pipe through hole 76 is matched with the outer diameter of the gas supply pipe insertion end 34, and the gas supply pipe insertion end 34 can be smoothly inserted without shaking; the bottom end of the quantitative medicine storage box 7 is provided with a fixed indent 73, the fixed indent 73 is provided with an indent thread 72, the indent thread 72 is fixedly connected with the outer diameter thread of the middle layer wall, and the depth of the fixed indent 73 is the same as the height of the middle layer wall; the bottom of the fixed indent is provided with a bottom protective cap 71, the upper half part of the bottom protective cap 71 is inserted into the fixed indent 73, the bottom protective cap 71 is completely matched with the fixed indent 73, and the bottom protective cap 71 is fixedly connected with the indent thread 2.

When the device is used, firstly, a user takes the quantitative medicine storage box 7 out of an external packaging piece, then screws the bottom protective cap 71 to take the bottom protective cap 71 down, then fixes the product with the external thread at the bottom end of the middle layer wall 15 in a threaded manner, removes the top cover 77 at the top of the quantitative medicine storage box 7 after the fixation is finished, and then the top of the medicine liquid cavity 75 leaks outwards, so that the atomization operation of the medicine liquid can be realized; it should be noted that, in order to facilitate screwing the bottom protective cap 71 and the top cover 77, a ring of protrusions are provided on the outer diameter thereof, which facilitates screwing use by a person.

In conclusion, according to the design, the quantitative medicine storage box 7 is arranged in the atomization main body 1, the quantitative medicine storage box 7 is specially used and is fixedly connected with the external thread on the middle layer wall 15 in the atomization main body 1, and the quantitative medicine storage box 7 is a standard product customized by a pharmaceutical factory, so that the quantitative medicine storage box 7 can be directly unpacked and screwed into the atomization main body 1 when in use, the time for medical personnel to prepare liquid medicine is saved, and the defects of errors and the like in the process of preparing liquid medicine are avoided; moreover, when the atomization operation is not needed, the quantitative medicine storage box 7 is detached, the positioning mark 16 is coincided with the arrow mark 12 on the outer diameter of the bottom of the atomization main body 1 by screwing the screwing ring 31, and the product can be used as an oxygen absorption terminal, so that the use mode of a single instrument and multiple purposes can be realized; moreover, the bearing 51 is arranged at the top of the right end of the atomizing pipe 22, so that one end of the atomizing main body 1 is always arranged vertically downwards during atomizing inhalation operation, and the phenomenon that the atomized main body 1 inclines during atomizing treatment is prevented from spilling is avoided.

Claims

1. A quantitative atomizing administration device, which comprises an atomizing main body, is characterized in that: the top of the atomization main body is in threaded connection with a sealing cover, the center of the top of the sealing cover extends upwards to form an atomization pipe, the atomization pipe is in an inverted L-shaped design, the right end of the top of the atomization pipe is provided with a bearing, the bearing is embedded in the atomization pipe and is in interference fit with the atomization pipe, a connecting lining is inserted in the inner diameter of the bearing, and a breathing mask is inserted in the connecting lining; the inner side of the bottom of the sealing cover is provided with connecting threads, the center of the inner part of the sealing cover is uniformly provided with a splitter plate, the splitter plate is provided with a plurality of through holes up and down, and the center of the bottom of the splitter plate is provided with a splitter column; the outer side of the bottom end of the sealing cover is provided with a screwing force application bulge; the atomizing main body below the sealing cover is of a cylindrical structure, a medicine storage cavity is arranged in the atomizing main body, the bottom surface of the medicine storage cavity is arranged in a protruding mode, a center hole is formed in the center of the medicine storage cavity in a penetrating mode, the center hole is surrounded by the center hole in the bottom surface of the medicine storage cavity, an inner layer wall and a middle layer wall are arranged on the bottom surface of the medicine storage cavity, the inner layer wall and the middle layer wall are designed to be equal in height, an annular groove is formed between the inner layer wall and the middle layer wall, an external thread is arranged on the outer side surface of the middle layer wall, a quantitative medicine storage box is connected to the external thread in a threaded mode, a plurality of penetrating air holes in the inner layer wall;

2. The metered dose aerosolized delivery device of claim 1, wherein: correspond a plurality of countersunk screw holes in the atomizing main part, be provided with a plurality of blind holes on the external diameter of balancing weight, the blind hole all correspond the setting with countersunk screw hole.

3. The metered dose aerosolized delivery device of claim 1, wherein: the quantitative medicine storage box is designed to be a circular-ring cylindrical structure, and the maximum outer diameter of the quantitative medicine storage box cannot exceed half of the maximum inner diameter of the atomization main body; the top of the quantitative medicine storage box is provided with a sealing cover, the sealing cover is fixedly connected with an external thread on the external diameter of the top end of the quantitative medicine storage box, the center of the quantitative medicine storage box is provided with an air supply pipe through hole, the internal diameter of the air supply pipe through hole is matched with the external diameter of an air supply pipe insertion end, and the standard that the air supply pipe insertion end can be smoothly inserted without shaking is adopted; the bottom end of the quantitative medicine storage box is provided with a fixed inner recess, an inner recess thread is arranged on the fixed inner recess, the inner recess thread is fixedly connected with the outer diameter thread of the middle layer wall, and the depth of the fixed inner recess is the same as the height of the middle layer wall; a bottom protective cap is arranged at the bottom of the fixed inner recess, and the upper half part of the bottom protective cap is fixedly connected with the inner recess through threads; the bottom of the quantitative medicine storage box is sealed, the top of the quantitative medicine storage box is plugged by a sealing cover, and a medicine storage cavity is arranged between the air supply pipe through hole and the outer side wall.

4. The metered dose aerosolized delivery device of claim 1, wherein: the fixing screw is designed to be a half-thread half-positioning shaft, the foremost end of the fixing screw is a thread section, the rear end of the thread section is a positioning shaft, the positioning shaft is designed to be a polished rod, and the length of the positioning shaft is the same as the thickness of the assembling bulge; the outer diameter of the positioning shaft is larger than the outer diameter of the thread top of the thread section.

5. The metered dose aerosolized delivery device of claim 1, wherein: the lower half position of air supply pipe sets up a plurality of rectangular grooves on the assembly arch and runs through the protruding inside and outside setting of assembly, the rectangular groove be the arcuation design, the rectangular groove uses the air supply central line to set up on the assembly arch as the axis equipartition, the positioning shaft diameter on the groove width in rectangular groove and the set screw matches to do not rock after the positioning shaft inserts as the standard.

6. The metered dose aerosolized delivery device of claim 1, wherein: a blocking ring is arranged in the right end face of the top of the atomizing pipe, a bearing is arranged on the right side of the blocking ring, a left side sealing gasket is arranged between the bearing and the blocking ring, a large sealing ring is arranged on the right side of the bearing, a connecting lining is arranged on the right side of the large sealing ring, the center of the connecting lining is inserted into the bearing, and a reverse clamping hook is arranged on the left end face of the connecting lining at the maximum outer diameter position; the right end of the atomizing pipe is provided with an outer diameter clamping groove; the reverse clamping hook is matched with an outer diameter clamping groove arranged at the right end of the atomizing pipe to realize assembly.

7. The metered dose aerosolized delivery device of claim 1, wherein: the breathing mask is characterized in that an insertion pipe matched with the connecting lining is arranged on one side of the breathing mask combined with the connecting lining, and the insertion pipe can be smoothly inserted into the connecting lining and does not shake as a standard.

8. The metered dose aerosolized delivery device of claim 1, wherein: on the atomizing main part, be provided with the arrow mark on its bottom external diameter, corresponding with the arrow mark, twist to be provided with on the ring and twist soon the integrative position mark of ring, the position mark close balancing weight bottom surface setting, the position mark set up the position and gas supply mouth set up the position corresponding, when arrow mark and position mark coincide set up, the inlayer wall bleeder vent that sets up on gas supply mouth and the inlayer wall link up.

9. The metered dose aerosolized delivery device of claim 1, wherein: the inner diameter of the connecting lining is designed as a stepped hole, the inserting pipe is designed as a stepped shaft, and when the inserting pipe on the breathing mask is inserted into the stepped hole, the inserting pipe on the breathing mask is coated by the inner diameter of the connecting lining.

10. The metered dose aerosolized delivery device of claim 1, wherein: the air supply pipe is characterized in that a circle of sealing clamping groove is formed in the outer diameter of the air supply pipe, a sealing rubber ring is arranged around the inside of the sealing clamping groove and clamped in the sealing clamping groove, and the air supply pipe passing hole and the air supply pipe are sealed by the sealing rubber ring.