CN113730786A

CN113730786A - Passageway aperture adjusting structure of booster-type medicine coating device

Info

Publication number: CN113730786A
Application number: CN202111195861.6A
Authority: CN
Inventors: 徐晓云
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-12-03
Anticipated expiration: 2040-07-27
Also published as: CN113856023B; CN111760139B; CN111760139A; CN113856023A; CN113750360A; CN113730786B; CN113750360B; CN113856022B; CN113856022A

Abstract

The invention relates to the technical field of medical equipment, in particular to a passage aperture adjusting structure of a supercharged medicine coating device, which comprises a pressurizing cylinder, a medicine cylinder, an adjusting plate, a medicine spraying pipe, a medicine spraying head and a coating plate, wherein a four-way pipe is fixedly communicated with the right side of the upper end surface of the pressurizing cylinder, 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 the coating plate, and a medicine coating cotton sleeve is fixedly sleeved on the coating plate. The medicine spraying device has reasonable structural design, the medicine barrel and the medicine spraying pipe are pressurized by the pressurizing barrel in a double-cavity mode, 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 can be smeared in an auxiliary mode through the medicine smearing cotton sleeve, the rotating rod can rotate along with the medicine smearing cotton sleeve by rotating the adjusting knob, the size of a barrel cavity through hole of the adjusting barrel is changed, the extruded flow rate of the medicine can be adjusted, and the medicine spraying device is convenient to use.

Description

Passageway aperture adjusting structure of booster-type medicine coating device

The application is a divisional application of an invention patent application with the application number of 2020107274309, which is named as a double-cavity boosting type medicine coating device for pediatrics and has the application date of 2020, 07 and 27.

Technical Field

The invention relates to the technical field of medical equipment, in particular to a passage aperture adjusting structure of a supercharged medicine coating device.

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.

To sum up, this technical scheme provides a passageway aperture of booster-type medicine device adjusts structure in order to solve current medicine mode of scribbling need dip in many times and get, complex operation, very inconvenient technical problem.

Disclosure of Invention

The invention aims to overcome the technical defects and provide a passage aperture adjusting structure of a supercharged medicine applying device. Through the pressurization of a pressurization section of thick bamboo to the medicine in the medicament section of thick bamboo, can be with in medicine pressurization in the medicine spray pipe is gone into in the continuous extrusion behind the regulation section of thick bamboo, compressed air in the pressurization section of thick bamboo simultaneously can blow the pressurization to spraying the medicine intraductally through the air duct, make the medicine evenly spout the affected part in the medicine spray hole of medicine spray head from daubing the board, it can assist to paint it to scribble the medicine cotton-padded sleeve, scribble the medicine in-process, accessible rotation regulation knob makes the dwang rotatory thereupon, through the meshing of gear and tooth, it reciprocates to drive the regulating plate, change the section of thick bamboo chamber through-hole size of regulation section of thick bamboo, thereby the extruded flow size of adjustable medicine, high durability and convenient use, time saving and labor saving.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a booster-type scribbles access aperture of medicine device and adjusts structure, includes a pressurization section of thick bamboo, a medicament section of thick bamboo, adjusts a section of thick bamboo, regulating plate, spray tube, medicine spray head, paints the board, a pressurization section of thick bamboo is rectangular cavity casing, and the fixed intercommunication in up end right side of a pressurization section of thick bamboo has the four-way pipe, and the left side branch pipe internal fixation of four-way pipe is equipped with one-way admission valve, all fixes being equipped with one-way air outlet valve in the right side of four-way pipe and the upside branch pipe, a medicament section of thick bamboo is the cylindric cavity barrel of injection, and the fixed intercommunication in lower terminal surface right side of a medicament section of thick bamboo has the intake pipe, and the intake pipe lower extreme is fixed together with the upper end spiro union of four-way pipe, and the right side branch pipe of four-way pipe has the spray tube through the fixed intercommunication of air duct.

The section of the inner wall cylinder cavity of the adjusting cylinder is rectangular, a rectangular guide hole which is vertically communicated is arranged in the middle of the adjusting cylinder, an adjusting plate is movably inserted in the guide hole, the upper end of the adjusting plate is fixedly connected with a pressing handle, the outer wall of the lower side of the adjusting plate is fixedly connected with a limiting handle, a via hole matched with the cylinder cavity of the adjusting cylinder is fixedly arranged in the center of the adjusting plate between the limiting handle and the pressing handle, an adjusting groove is fixedly arranged on the adjusting plate on the lower side of the limiting handle, teeth are uniformly and fixedly connected on the groove wall on one side of the adjusting groove, a connecting rod is fixedly connected on the outer wall on the left side of the upper end of the adjusting cylinder, a bearing is fixedly connected at the end part of the connecting rod, a rotating rod is fixedly inserted in the inner ring of the bearing, the rotating rod passes through the adjusting groove and is fixedly connected with a gear on a section of outer wall in the groove, the gear is meshed with the teeth, and a connecting rod is fixedly connected on the outer wall on the left side of the lower end of the medicament cylinder, another tip fixedly connected with of connecting rod rotates a section of thick bamboo, the lower extreme of dwang rotates and pegs graft in rotating a section of thick bamboo and its tip is equipped with the cross-section and is square spliced hole, fixedly connected with compression section of thick bamboo on the up end left side outer wall of a pressurization section of thick bamboo, the bottom fixedly connected with compression spring of a compression section of thick bamboo, compression spring's upper end fixedly connected with circular shape and compression section of thick bamboo chamber assorted top sheet, it has T shape ejector pin to slide to peg graft in the compression section of thick bamboo of top sheet upside, the upper end tip fixedly connected with adjust knob of T shape ejector pin, the up end center department fixedly connected with of adjust knob and the square pole of spliced hole assorted of dwang.

Preferably, the other end spiro union of medicine spray tube is fixed with and is connected with medicine guide tube, and medicine guide tube's lower extreme fixedly connected with duckbilled spouts the medicine head, and the lower extreme fixedly connected with of medicine spray head paints the board, paints the board and evenly is equipped with a plurality of medicine spouts holes corresponding to the rectangle opening that spouts the medicine head lower extreme, paint on the board fixed cover and have the cotton cover of scribbling the medicine, the bottom surface of scribbling the cotton cover is corresponding to spout the medicine hole region and is equipped with rectangular opening.

Preferably, the outer wall of the left side of the pressurizing cylinder is provided with two sliding holes, two pressure rods are movably inserted in the sliding holes, the end parts of the two pressure rods, which are positioned in the pressurizing cylinder, at one ends are fixedly connected with pistons, the end parts of the two pressure rods, which are positioned outside the pressurizing cylinder, at the other ends are fixedly connected with pressurizing plates, and reset springs are fixedly sleeved on the pressure rods between the pressurizing plates and the sliding holes.

Preferably, the right side section of thick bamboo wall of a medicament section of thick bamboo is fixed with the notes cartridge case, and the upper end spiro union of annotating the cartridge case is fixed with the cover, the upper end bottleneck department spiro union of a medicament section of thick bamboo is fixed with adjusts a section of thick bamboo, adjusts the upper end fixedly connected with connecting cylinder of a section of thick bamboo, and the upper end spiro union of connecting cylinder is fixed with the intermediate pipe, and the front end fixed connection of intermediate pipe is on the outer wall of medicine spraying pipe.

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 described with 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 specific cases to those skilled 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 the 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. 1-9, the 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 coating plate 32, wherein the pressurizing cylinder 1 is a rectangular hollow shell, the right side of the upper end surface of the pressurizing cylinder 1 is fixedly communicated with a four-way pipe 7, 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 the air inlet of the pressurizing cylinder 1, the right side and the upper branch pipe of the four-way pipe 7 are respectively fixedly provided with a one-way air outlet valve 46, the one-way air outlet valves 46 can limit the air in the pressurizing cylinder 1 to flow out from the two branch pipes,

the medicament section of thick bamboo 17 is the hollow barrel of injection cylindric, and the fixed intercommunication in the lower terminal surface right side of medicament section of thick bamboo 17 has intake pipe 9, and the upper end spiro union of intake pipe 9 lower extreme and four-way pipe 7 is fixed together, extrudees the increased pressure board 4 repeatedly, and accessible increased pressure section of thick bamboo 1 gets into the pressurization to the ointment in the medicament section of thick bamboo 17, conveniently extrudees the outflow from medicament section of thick bamboo 17 with the medicament, and the right side branch pipe of four-way pipe 7 passes through the fixed intercommunication of air duct 8 and has spray tube 22.

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 will 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 size of the cylinder cavity of the adjusting cylinder 20, thereby the extrusion flow of the medicine can be changed, the quantity 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 limit 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 with 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, the gear 31 is meshed with the teeth 43, when the gear 16 drives the rotating rod to rotate, can make regulating plate 29 reciprocate through the cooperation of gear 31 with tooth 43, fixedly connected with connecting rod 15 on the lower extreme left side outer wall of medicament section of thick bamboo 17, another tip fixedly connected with of connecting rod 15 rotates a section of thick bamboo 14, and the lower extreme of dwang 16 rotates to peg graft in rotating a section of thick bamboo 14 and its tip is equipped with the cross-section and is square spliced eye, fixedly connected with compression section of thick bamboo 10 on the up end left side outer wall of a pressurization section of thick bamboo 1, the bottom fixedly connected with compression spring 36 of compression section of thick bamboo 10, compression spring 36's the circular shape of upper end fixedly connected with and compression section of thick bamboo 10 barrel chamber assorted top sheet 37, it has T shape ejector pin 11 to slide to peg graft in the compression section of thick bamboo 10 of top sheet 37 upside, the upper end fixedly connected with adjust knob 12 of T shape ejector pin 11, the upper end center department fixedly connected with of adjust knob 12 and the square pole 13 of spliced eye assorted of dwang 16. When the pressurization cylinder 1 is connected with the medicament cylinder 17, the direction rod can be inserted into the inserting hole of the rotating rod 16 under the action of the compression spring 36, and the rotating rod 16 can be driven to rotate by the rotation of the adjusting knob 12.

In this embodiment, the other end of the medicine spraying tube 22 is fixedly connected with the medicine guiding tube 23 in a screwed manner, the lower end of the medicine guiding tube 23 is fixedly connected with the duckbilled medicine spraying head 24, the lower end of the medicine spraying head 24 is fixedly connected with the 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, the smearing plate 32 is fixedly sleeved with the medicine spraying cotton sleeve 25, the bottom surface of the medicine spraying cotton sleeve 25 is provided with the rectangular opening corresponding to the area of the medicine spraying holes 34, when the pressurizing plate 4 is squeezed, air in the pressurizing cylinder 1 can be squeezed into the medicine spraying tube 22, the medicine in the medicine spraying tube 22 can be pressurized for the second time, so that the milky and pasty medicine with poor fluidity can be squeezed out of the medicine spraying holes 34 of the smearing plate 32 to the affected part at an accelerated speed, the medicine spraying cotton sleeve 25 can prevent the medicine from being sprayed out of the affected part, and can also be applied in an auxiliary way when the medicine is applied in a large area, and the medicine can be applied uniformly, the use is convenient, and the replacement can be conveniently carried out.

In this embodiment, be equipped with two sliding hole 45 on the left side outer wall of a pressure cylinder 1, two depression bars 5 have been pegged graft to the activity in sliding hole 45, two depression bars 5 are located the one end tip fixedly connected with piston 44 of a pressure cylinder 1, two depression bars 5 are located the other end tip fixedly connected with pressure plate 4 outside a pressure cylinder 1, the fixed cover has reset spring 6 on the depression bar 5 between pressure plate 4 and the sliding hole 45, reset spring 6 can rebound and reset after pressing pressure plate 4, be convenient for extrude pressure plate 4 repeatedly.

The sections of the inner cylinder cavities of the adjusting cylinder 20, the connecting cylinder 41, the middle tube 26, the pesticide spraying tube 22 and the pesticide guiding 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.

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.

And 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 intermediate pipe 26. The rubber sealing ring 33 can make the sealing performance of the connection better.

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 face 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 annotating medicine section of thick bamboo 18, handheld pressurization section of thick bamboo 1 extrudes repeatedly pressurization section of thick bamboo 1, pressurize in the medicament section of thick bamboo 17, then rotate adjust knob 12 as required, the medicament of adjusting the interior cartridge chamber of section of thick bamboo 20 switches on the passageway size well, medicament in the medicament section of thick bamboo 17 can extrude into adjustment section of thick bamboo 20 under the pressure, extrude the pressure plate 4 repeatedly once more, make the medicament continuously extrude to enter into in the spray tube 22 from the medicament section of thick bamboo 17, the air in the pressurization section of thick bamboo 1 can extrude through air duct 8 simultaneously and get into spray tube 22, carry out the secondary pressurization to the medicament in the spray tube 22, make smooth and easy extrusion of medicament flow into in the medicine-spraying head 24, and evenly spout the affected part in the medicine hole 34 of smearing plate 32, when large tracts of land is paintd, mobile device accessible is scribbled the cotton cover 25 and is assisted and is paintd, make the medicament evenly scribble the affected part.

Claims

1. The utility model provides a passageway aperture of booster-type medicine device is adjusted structure, 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 and smear the board, its characterized in that: the drug injection device comprises a pressurizing cylinder, a drug injection cylinder, a cylinder cover, a regulating cylinder, a connecting cylinder, a middle pipe and a drug injection cylinder, wherein the pressurizing cylinder is a rectangular hollow shell, the right side of the upper end face of the pressurizing cylinder is fixedly communicated with a four-way pipe, a one-way air inlet valve is fixedly arranged in a left branch pipe of the four-way pipe, one-way air outlet valves are fixedly arranged in the right side and upper branch pipes of the four-way pipe, an air inlet pipe is fixedly communicated with the right side of the lower end face of the drug cylinder, the lower end of the air inlet pipe is fixedly connected with the upper end of the four-way pipe through a screw joint, the right branch pipe of the four-way pipe is fixedly communicated with a drug injection cylinder through an air duct, the upper end of the drug injection cylinder is fixedly arranged on the right side of the four-way pipe, the drug injection cylinder, the upper end face of the drug injection cylinder is fixedly connected with the outer wall of the drug injection cylinder;

2. The passage aperture regulating structure of a pressurized type applicator according to claim 1, wherein: the other end spiro union of medicine spray tube is fixed with and is connected with medicine guide tube, medicine guide tube's lower extreme fixedly connected with duckbilled spouts the medicine head, and the lower extreme fixedly connected with of medicine head paints the board, paints the board and evenly is equipped with a plurality of medicine holes of spouting corresponding the rectangle opening that spouts the medicine head lower extreme, paint fixed cover on the board and scribble the cotton cover of medicine, the bottom surface of scribbling the cotton cover of medicine is corresponding to spout the medicine hole region and is equipped with rectangular opening.

3. The passage aperture regulating structure of a pressurized type applicator according to claim 1, wherein: the outer wall of the left side of the pressurizing cylinder is provided with two sliding holes, two pressure rods are movably inserted in the sliding holes, the end parts of one ends, located in the pressurizing cylinder, of the two pressure rods are fixedly connected with a piston, the end parts, located outside the pressurizing cylinder, of the other ends of the two pressure rods are fixedly connected with a pressurizing plate, and a reset spring is fixedly sleeved on the pressure rods between the pressurizing plate and the sliding holes.