CN113750360B

CN113750360B - Double-cavity supercharged medicine applying device for pediatrics and using method

Info

Publication number: CN113750360B
Application number: CN202111196037.2A
Authority: CN
Inventors: 余博萌; 何荣飞; 卢飞; 徐晓云
Original assignee: Individual
Current assignee: Yu Bomeng
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2023-02-03
Anticipated expiration: 2040-07-27
Also published as: CN113856022B; CN113856023A; CN111760139B; CN113730786B; CN113856022A; CN113750360A; CN113730786A; CN111760139A; CN113856023B

Abstract

The invention relates to the technical field of medical equipment, in particular to a double-cavity supercharged medicine applying device for pediatrics and a using method of the double-cavity supercharged medicine applying device. The dual-cavity medicine spraying device has reasonable structural design, the medicine barrel and the medicine spraying pipe are pressurized by the pressurizing barrel through the double cavities, the medicine can be uniformly sprayed to an affected part from a medicine spraying hole of the smearing plate through the medicine spraying head, the medicine spraying cotton sleeve can assist in smearing the medicine, the rotating rod can rotate along with the rotating rod by rotating the adjusting knob, the size of the barrel cavity through hole of the adjusting barrel is changed, the extruded flow of the medicine can be adjusted, and the dual-cavity medicine spraying device is convenient to use.

Description

Double-cavity supercharged medicine applying device for pediatrics and using method

The application is a divisional application of an invention patent application with the application number of 2020107274309, the invention creation name of which is a pediatric clinical double-cavity supercharged type medicine coating device and the application date of which is 2020 and 07/27.

Technical Field

The invention relates to the technical field of medical equipment, in particular to a double-cavity supercharged medicine applying device for pediatrics and a using method thereof.

Background

Pediatrics belongs to the discipline of clinical medicine, and the study subjects are children from fetus to puberty. It is a medical science for researching the growth and development rule of children and teenagers and improving the physical and mental health level and the disease prevention and treatment quality of the children and the teenagers. The object of its treatment is in the growth and development stage, especially infant's period, it is very easy to suffer from skin diseases such as eczema, chicken pox, scabies, prickly heat and impetigo herpetifomis, when treating infant's skin disease, in order to avoid producing the influence to infant's health, therefore usually can adopt the external medicine to scribble and treat, and these external medicine mostly are milky or paste, present operation of scribbling need squeeze out the ointment earlier with the hand in the process of scribbling, use cotton stick or wipe cotton to dip in the medicine and scribble again, the operation is inconvenient, and often need dip in the medicine many times in this process, cause the infection to unused medicine easily, some skin diseases often the affected part area is great in addition, need scribble in a large scale, use cotton swab or wipe cotton at this moment and get the medicine, complex operation, waste time and energy, it is very inconvenient.

In conclusion, the technical scheme aims to solve the technical problems that the existing medicine applying mode needs to be dipped for multiple times, and is complex to operate and very inconvenient, and provides the double-cavity supercharged medicine applying device for pediatrics and the using method.

Disclosure of Invention

The invention aims to overcome the technical defects and provide a double-cavity booster-type medicine coating device for pediatrics and a using method thereof.

The technical scheme adopted by the invention for solving the technical problems is as follows: a two-chamber booster-type medicine coating device for pediatrics comprises a pressurizing cylinder, a medicine cylinder, an adjusting plate, a medicine spraying pipe, a medicine spraying head and a coating plate, wherein the pressurizing cylinder is a rectangular hollow shell, two sliding holes are formed in the outer wall of the left side of the pressurizing cylinder, two pressure rods are movably inserted in the sliding holes, a piston is fixedly connected to the end part of one end, located in the pressurizing cylinder, of each of the two pressure rods, a pressure plate is fixedly connected to the end part of the other end, located outside the pressurizing cylinder, of each of the two pressure rods, a reset spring is fixedly sleeved on each pressure rod between each pressure plate and each sliding hole, a four-way pipe is fixedly communicated with the right side of the upper end face of the pressurizing cylinder, a one-way air inlet valve is fixedly arranged in each of the left side branch pipe of the four-way pipe, one-way air outlet valves are fixedly arranged in the right side and upper side branch pipes of the four-way pipe, the medicine cylinder is a hollow cylinder for injection, and an air inlet pipe is fixedly communicated with the right side of the lower end face of the medicine cylinder, the lower end of the air inlet pipe is fixedly connected with the upper end of the four-way pipe in a screwed manner, the right branch pipe of the four-way pipe is fixedly communicated with a medicine spraying pipe through an air duct, the other end of the medicine spraying pipe is fixedly connected with a medicine guide pipe in a screwed manner, the lower end of the medicine guide pipe is fixedly connected with a duckbill-shaped medicine spraying head, the lower end of the medicine spraying head is fixedly connected with a smearing plate, the smearing plate is uniformly provided with a plurality of medicine spraying holes corresponding to a rectangular opening at the lower end of the medicine spraying head, a medicine coating cotton sleeve is fixedly sleeved on the smearing plate, the bottom surface of the medicine coating cotton sleeve is provided with a rectangular opening corresponding to the area of the medicine spraying holes, the right side cylinder wall of the medicine cylinder is fixedly provided with a medicine injection cylinder, the upper end of the medicine injection cylinder is fixedly connected with a cylinder cover in a screwed manner, the bottleneck at the upper end of the medicine cylinder is fixedly connected with a connecting cylinder, the upper end of the connecting cylinder is fixedly connected with an intermediate pipe in a screwed manner, and the front end of the intermediate pipe is fixedly connected with the outer wall of the medicine spraying pipe, the section of an inner wall cylinder cavity of the adjusting cylinder is rectangular, a rectangular guide hole which is through from top to bottom is formed in the middle of the adjusting cylinder, an adjusting plate is movably inserted in the guide hole, a pressing handle is fixedly connected to the upper end of the adjusting plate, a limiting handle is fixedly connected to the outer wall of the lower side of the adjusting plate, a through hole matched with the cylinder cavity of the adjusting cylinder is fixedly formed in the center of the adjusting plate between the limiting handle and the pressing handle, an adjusting groove is fixedly formed in the adjusting plate on the lower side of the limiting handle, teeth are uniformly and fixedly connected to one side groove wall of the adjusting groove, a connecting rod is fixedly connected to the outer wall of the left side of the upper end of the adjusting cylinder, a bearing is fixedly connected to the end portion of the connecting rod, a rotating rod is inserted into the inner ring of the bearing, the rotating rod penetrates through the adjusting groove and is located on one section of outer wall in the groove, a gear is fixedly connected to the teeth, a connecting rod is fixedly connected to the outer wall of the left side of the lower end of the medicament cylinder, a rotating cylinder is fixedly connected to the lower end portion of the rotating rod, an inserting hole is provided with a top plate with which is connected to the top of the adjusting cylinder and is connected to the top plate of which is connected with a top plate, and a top plate which is connected to the top of the adjusting cylinder.

Preferably, the sections of the inner cylinder cavities of the adjusting cylinder, the connecting cylinder, the intermediate pipe, the pesticide spraying pipe and the pesticide guiding pipe are all rectangular, and the cylinder cavities are communicated.

Preferably, four arc-shaped concave finger pressure grooves are uniformly and fixedly arranged on the left side plate surface of the pressure plate, and a layer of rubber cushion pad is fixedly connected to the groove wall of each finger pressure groove.

Preferably, a layer of rubber anti-slip pad is fixedly connected to the right side wall of the pressurizing cylinder.

Preferably, a layer of rubber sealing gasket is fixedly connected to the outer wall of the adjusting plate between the limiting handle and the pressing handle.

Preferably, the connection parts between the pesticide spraying pipe and the pesticide guiding pipe, between the pesticide barrel and the adjusting barrel, between the adjusting barrel and the connecting barrel, and between the connecting barrel and the middle pipe are all fixedly provided with rubber sealing rings.

Preferably, the intermediate pipe and the spray pipe form an included angle of 60 degrees.

Preferably, the pressurizing cylinder, the medicament cylinder, the adjusting cylinder, the connecting cylinder, the middle pipe, the medicine spraying pipe, the medicine guide pipe, the medicine spraying head and the smearing plate are all made of transparent PVC plastic materials.

Preferably, a semicircular annular hanging ring is fixedly connected to the lower end face of the pressurizing cylinder.

The invention has the beneficial effects that: the medicine spraying device has reasonable structural design, the medicine in the medicine barrel can be continuously extruded into the medicine spraying pipe after being pressurized by the pressurizing barrel through the adjusting barrel, meanwhile, compressed air in the pressurizing barrel can blow and pressurize the medicine spraying pipe through the air duct, so that the medicine can be uniformly sprayed to an affected part from a medicine spraying hole of the smearing plate through the medicine spraying head, the medicine spraying cotton sleeve can be used for auxiliary smearing, the rotating rod can rotate along with the rotating rod by rotating the adjusting knob in the medicine smearing process, the adjusting plate is driven to move up and down by meshing of the gear and the teeth, the size of the through hole of the barrel cavity of the adjusting barrel is changed, and therefore, the flow rate of medicine extrusion can be adjusted.

Drawings

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the pressurizing cylinder of the present invention.

Fig. 3 is a schematic view showing a connection structure of the compression cylinder and the T-shaped knock bar according to the present invention.

Fig. 4 is a schematic end view of the cartridge of the present invention.

Fig. 5 is a schematic view of the internal structure of the adjusting cylinder of the present invention.

Fig. 6 is a schematic view of a connection structure of the spray head and the applying plate of the present invention.

Fig. 7 is a schematic cross-sectional structure diagram of the spray head and the application plate of the present invention.

FIG. 8 is a schematic top view of the spray head and applicator plate of the present invention.

Fig. 9 is a schematic view of the bottom structure of the applicator plate and applicator pad of the present invention.

Detailed Description

The present invention will be described in detail below with reference to fig. 1 to 9.

As shown in fig. 1 to 9, the present invention comprises a pressurizing cylinder 1, a medicament cylinder 17, an adjusting cylinder 20, an adjusting plate 29, a medicament spraying pipe 22, a medicament spraying head 24 and a smearing plate 32, wherein the pressurizing cylinder 1 is a rectangular hollow shell, two sliding holes 45 are arranged on the outer wall of the left side of the pressurizing cylinder 1, two pressing rods 5 are movably inserted in the sliding holes 45, one end parts of the two pressing rods 5, which are positioned in the pressurizing cylinder 1, are fixedly connected with a piston 44, the other end parts of the two pressing rods 5, which are positioned outside the pressurizing cylinder 1, are fixedly connected with a pressurizing plate 4, a return spring 6 is fixedly sleeved on the pressing rod 5 between the pressurizing plate 4 and the sliding holes 45, the return spring 6 can rebound and return after the pressurizing plate 4 is pressed, so as to repeatedly press the pressurizing plate 4, a four-way pipe 7 is fixedly connected on the right side of the upper end surface of the pressurizing cylinder 1, a one-way air inlet valve 47 is fixedly arranged in the left branch pipe of the four-way pipe 7, the one-way air inlet valve 47 can facilitate air inlet of the one-way air inlet valve 47 can facilitate air to be conveniently arranged in the four-way air inlet pipe 1, air is fixedly arranged in the right side and the upper branch pipe 7, an air outlet valve 46 is arranged in the right side and the upper branch pipe 46 can restrict the air in the air outlet of the two branch pipes, the air outlet valve 46 can be arranged in the two branch pipes,

the medicine barrel 17 is a hollow barrel body in an injection barrel shape, the right side of the lower end face of the medicine barrel 17 is fixedly communicated with an air inlet pipe 9, the lower end of the air inlet pipe 9 is in screwed connection with the upper end of a four-way pipe 7 to repeatedly squeeze a pressurizing plate 4, ointment in the medicine barrel 17 can be pressurized through the pressurizing barrel 1 to be conveniently squeezed out of the medicine barrel 17, the right branch pipe of the four-way pipe 7 is fixedly communicated with a medicine spraying pipe 22 through an air duct 8, the other end of the medicine spraying pipe 22 is fixedly connected with a medicine guide pipe 23 in a screwed manner, the lower end of the medicine guide pipe 23 is fixedly connected with a duckbilled medicine spraying head 24, the lower end of the medicine spraying head 24 is fixedly connected with a smearing plate 32, the smearing plate 32 is uniformly provided with a plurality of medicine spraying holes 34 corresponding to the rectangular opening at the lower end of the medicine spraying head 24, a medicine smearing cotton sleeve 25 is fixedly sleeved on the smearing plate 32, the bottom face of the medicine smearing sleeve 25 is provided with an opening in a rectangular shape corresponding to the medicine spraying hole 34 area, when the pressurizing plate 4 is squeezed, air in the pressurizing barrel 1 can be squeezed into the medicine spraying pipe 22, the medicine can be pressurized, so that the medicine can be conveniently replaced by a second time, the medicine with the medicine spraying holes with the medicine spraying, and the medicine can be conveniently smeared outside the affected part, and the ointment can be conveniently smeared on the affected part, and the affected part can be conveniently smeared in a large area can be conveniently,

an injection cartridge 18 is fixedly arranged on the right side cartridge wall of the medicament cartridge 17, a cartridge cover 19 is fixedly screwed at the upper end of the injection cartridge 18, a medicament can be added into the medicament cartridge 17 from the injection cartridge 18, an adjusting cartridge 20 is fixedly screwed at the bottleneck position of the upper end of the medicament cartridge 17, a connecting cartridge 41 is fixedly connected at the upper end of the adjusting cartridge 20, a middle tube 26 is fixedly screwed at the upper end of the connecting cartridge 41, the front end of the middle tube 26 is fixedly connected on the outer wall of the medicament spraying tube 22, the section of the inner wall cartridge cavity of the adjusting cartridge 20 is rectangular, a rectangular guide hole 38 which is vertically penetrated is arranged at the middle position of the adjusting cartridge 20, an adjusting plate 29 is movably inserted in the guide hole 38, a pressing handle 21 is fixedly connected at the upper end of the adjusting plate 29, a limiting handle 30 is fixedly connected on the outer wall of the lower side of the adjusting plate 29, a through hole 40 matched with the cartridge cavity of the adjusting cartridge 20 is fixedly arranged at the center of the adjusting plate 29 between the limiting handle 30 and the pressing handle 21, when the press handle 21 contacts the adjusting cylinder 20, the adjusting plate 29 can shield the cylinder cavity of the adjusting cylinder 20 to prevent the medicine from flowing out, when the adjusting plate 29 moves upwards, the through hole 40 can be gradually overlapped and communicated with the cylinder cavity of the adjusting cylinder 20 to gradually change the communicated size of the cylinder cavity of the adjusting cylinder 20, so that the extrusion flow of the medicine can be changed, the smearing amount of the medicine can be conveniently controlled, an adjusting groove 42 is fixedly arranged on the adjusting plate 29 at the lower side of the limiting handle 30, teeth 43 are uniformly and fixedly connected on the groove wall at one side of the adjusting groove 42, a fixing rod 27 is fixedly connected on the outer wall at the left side of the upper end of the adjusting cylinder 20, a bearing 28 is fixedly connected at the end part of the fixing rod 27, a rotating rod 16 is fixedly inserted in the inner ring of the bearing 28, the rotating rod 16 passes through the adjusting groove 42 and is fixedly connected with a gear 31 on a section of the outer wall in the groove, and the gear 31 is meshed with the teeth 43, when the rotating rod 16 drives the gear 31 to rotate, the adjusting plate 29 can be moved up and down through the matching of the gear 31 and the teeth 43, the connecting rod 15 is fixedly connected to the outer wall of the left side of the lower end of the medicament cylinder 17, the other end of the connecting rod 15 is fixedly connected with the rotating cylinder 14, the lower end of the rotating rod 16 is connected in the rotating cylinder 14 in a rotating mode, the end portion of the rotating rod is provided with a square insertion hole, the compression cylinder 10 is fixedly connected to the outer wall of the left side of the upper end face of the pressurizing cylinder 1, the compression spring 36 is fixedly connected to the bottom of the compression cylinder 10, the upper end of the compression spring 36 is fixedly connected with a top plate 37 matched with the cylinder cavity of the compression cylinder 10, a T-shaped ejector rod 11 is inserted in the compression cylinder 10 on the upper side of the top plate 37, an adjusting knob 12 is fixedly connected to the end portion of the upper end face of the adjusting knob 12, and the square rod 13 matched with the insertion hole of the rotating rod 16 is fixedly connected to the center of the upper end face of the adjusting knob 12. When the pressurizing cartridge 1 and the medicament cartridge 17 are connected, the direction lever can be inserted into the insertion hole of the rotating lever 16 by the action of the compression spring 36, and the rotating lever 16 can be driven to rotate by the rotation of the adjusting knob 12.

The sections of the inner cylinder cavities of the adjusting cylinder 20, the connecting cylinder 41, the middle tube 26, the medicine spraying tube 22 and the medicine guide tube 23 are all rectangular, and the cylinder cavities are communicated. The rectangular barrel cavity is convenient for the conducting hole 40 of the regulating plate 29 to control and regulate the flow of the extruded medicine through superposition shielding.

Four arc-shaped concave finger pressure grooves are uniformly and fixedly arranged on the left side plate surface of the pressure plate 4, and a layer of rubber cushion pad 3 is fixedly connected to the groove wall of each finger pressure groove. The finger pressing groove and the rubber buffer pad 3 can be conveniently held by hands, and the comfort is high when the pressurizing plate 4 is squeezed by gripping.

And a layer of rubber non-slip mat 2 is fixedly connected to the right side wall of the pressurizing cylinder 1. The rubber antiskid pad 2 is antiskid and convenient to hold.

A layer of rubber sealing gasket 39 is fixedly connected to the outer wall of the adjusting plate 29 between the limiting handle 30 and the pressing handle 21. The rubber gasket 39 is adapted to the wall of the guide hole 38, so as to increase the sealing performance between the adjusting plate 29 and the adjusting cylinder 20.

Rubber sealing rings 33 are fixedly arranged at the joints between the pesticide spraying pipe 22 and the pesticide guiding pipe 23, between the pesticide barrel 17 and the adjusting barrel 20, between the adjusting barrel 20 and the connecting barrel 41, and between the connecting barrel 41 and the middle pipe 26. The rubber sealing ring 33 can make the joint more airtight.

The intermediate tube 26 is at an angle of 60 degrees to the spray tube 22. The included angle can ensure that the device slantly inclines downwards when the device is used for coating medicine in a handheld mode, and the medicine is more convenient to coat.

The pressurizing cylinder 1, the medicament cylinder 17, the adjusting cylinder 20, the connecting cylinder 41, the middle pipe 26, the medicine spraying pipe 22, the medicine guiding pipe 23, the medicine spraying head 24 and the smearing plate 32 are all made of transparent PVC plastic materials. The extrusion and outflow conditions of the medicines can be conveniently observed by using the transparent plastic material.

And a semi-circular hanging ring 35 is fixedly connected to the lower end surface of the pressurizing cylinder 1. The hanging ring 35 can be used for conveniently hanging the device.

During the use, add the medicament in the medicament section of thick bamboo 17 from injection section of thick bamboo 18, handheld pressurization section of thick bamboo 1 extrudees repeatedly, pressurize in the medicament section of thick bamboo 17, then rotate adjust knob 12 as required, the medicament conduction path size in the barrel chamber in the regulation section of thick bamboo 20 has been adjusted, the medicament in the medicament section of thick bamboo 17 can extrude under the pressure and enter regulation section of thick bamboo 20, repeatedly extrude pressure plate 4 again, make the medicament continuously extrude from in the medicament section of thick bamboo 17 and enter into in the spray tube 22, the air in the pressurization section of thick bamboo 1 can extrude through air duct 8 simultaneously and enter into spray tube 22, carry out the secondary pressurization to the medicament in the spray tube 22, make smooth extrusion of medicament flow into in medicine spraying head 24, and evenly spout the affected part in the medicine spraying hole 34 of daubing board 32, when large tracts of land is daubed, mobile device accessible daubed 25 assists and daubs, make the medicament evenly daub the affected part.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a paediatrics clinical double-chamber booster-type scribbles medicine device, includes a pressurization section of thick bamboo, a medicament section of thick bamboo, adjusts a section of thick bamboo, regulating plate, spout the spray tube, spout the medicine head, scribble the board, its characterized in that: the pressurizing cylinder is a rectangular hollow shell, two sliding holes are formed in the outer wall of the left side of the pressurizing cylinder, two pressure rods are movably inserted in the sliding holes, a piston is fixedly connected to one end portion, located in the pressurizing cylinder, of each pressure rod, a pressurizing plate is fixedly connected to the other end portion, located outside the pressurizing cylinder, of each pressure rod, four arc-shaped concave finger pressure grooves are uniformly and fixedly formed in the left side plate surface of the pressurizing plate, reset springs are fixedly sleeved on the pressure rods between the pressurizing plates and the sliding holes, a four-way pipe is fixedly communicated with the right side of the upper end surface of the pressurizing cylinder, a one-way air inlet valve is fixedly arranged in a left side branch pipe of the four-way pipe, one-way air outlet valves are fixedly arranged in the right side of the four-way pipe and the upper side branch pipe, the medicament cylinder is a hollow cylinder body in the shape of an injection cylinder, an air inlet pipe is fixedly communicated with the right side of the lower end surface of the medicament cylinder, and the lower end of the air inlet pipe is fixed with the upper end of the four-way pipe through a screw joint, a medicine spraying pipe is fixedly communicated with a right branch pipe of the four-way pipe through an air duct, the other end of the medicine spraying pipe is fixedly connected with a medicine guide pipe in a screwed mode, the lower end of the medicine guide pipe is fixedly connected with a duckbill-shaped medicine spraying head, the lower end of the medicine spraying head is fixedly connected with a smearing plate, the smearing plate is evenly provided with a plurality of medicine spraying holes corresponding to a rectangular opening at the lower end of the medicine spraying head, a medicine smearing cotton sleeve is fixedly sleeved on the smearing plate, a rectangular opening is arranged on the bottom surface of the medicine smearing cotton sleeve corresponding to the area of the medicine spraying holes, a medicine spraying cylinder is fixedly arranged on the right side cylinder wall of the medicine cylinder, a cylinder cover is fixedly arranged on the upper end of the medicine spraying cylinder in a screwed mode, an adjusting cylinder is fixedly arranged at the upper end bottleneck of the medicine cylinder in a screwed mode, a connecting cylinder is fixedly connected with the upper end of the adjusting cylinder, an intermediate pipe is fixedly connected with the upper end of the connecting cylinder in a screwed mode, the front end of the intermediate pipe is fixedly connected to the outer wall of the medicine spraying pipe, and an included angle of 60 degrees is formed between the intermediate pipe and the medicine spraying pipe, the section of the inner wall cylinder cavity of the adjusting cylinder is rectangular, a rectangular guide hole which is through from top to bottom is formed in the middle of the adjusting cylinder, an adjusting plate is movably inserted in the guide hole, a pressing handle is fixedly connected to the upper end of the adjusting plate, a limiting handle is fixedly connected to the outer wall of the lower side of the adjusting plate, a through hole matched with the cylinder cavity of the adjusting cylinder is fixedly formed in the center of the adjusting plate between the limiting handle and the pressing handle, an adjusting groove is fixedly formed in the adjusting plate on the lower side of the limiting handle, teeth are uniformly and fixedly connected to one side of the groove wall of the adjusting groove, a connecting rod is fixedly connected to the outer wall of the left side of the upper end of the adjusting cylinder, a bearing is fixedly connected to the end portion of the connecting rod, a rotating rod is inserted into the inner ring of the bearing, the rotating rod penetrates through the adjusting groove and is located on one section of outer wall of the groove, the gear is meshed with the teeth, a connecting rod is fixedly connected to the outer wall of the left side of the lower end of the medicament cylinder, a rotating cylinder is fixedly connected to the lower end of the rotating rod, an inserting hole with a top plate with the top plate, and a top plate is fixedly connected to the upper end of the adjusting cylinder.

2. The bi-cavity supercharged pediatric medicine applicator according to claim 1, wherein: the application method of the medicine applying device comprises the following steps:

1) Medicine injection and first pressurization: pressing the press handle to make the via hole dislocated with the barrel cavity of the adjusting barrel, adding the medicament into the medicament barrel from the medicament injection barrel, screwing the barrel cover, and repeatedly extruding the pressurizing plate by holding the pressurizing barrel to pressurize the medicament barrel;

2) Adjusting the size of the conduction path: the rotating rod is driven to rotate through the adjusting knob, so that the conducting hole and the barrel cavity of the adjusting barrel are gradually overlapped until the size of the passage is suitable for the requirement, and the medicament in the medicament barrel enters the adjusting barrel under the action of pressure;

3) Pressurizing the medicament in the medicament spraying pipe for the second time: repeatedly extruding the pressurizing plate again to enable the medicament to be continuously extruded from the medicament cylinder and enter the medicament spraying pipe, and simultaneously extruding the air in the pressurizing cylinder through the air duct and enter the medicament spraying pipe to carry out secondary pressurization on the medicament in the medicament spraying pipe so that the medicament can be smoothly extruded and flow into the medicament spraying head;

4) Application of the medicine: the medicine spraying head aims at the medicine application part, the medicine is evenly sprayed to the affected part from the medicine spraying hole of the smearing plate, and when the medicine is smeared in a large area, the moving device is used for assisting in smearing through the medicine smearing cotton sleeve 25, so that the medicine is evenly smeared to the affected part.