A quantitative dropper bottle for isolating air

Abstract

The present application discloses an air-isolating quantitative dropper bottle. The air-isolating quantitative dropper bottle includes a liquid storage bottle, a liquid outlet head, a reset elastic member, a press-fit bottle cap, and a leak-proof dripper. The present application stores liquid medicine in the air-isolating quantitative dropper bottle, and sets the air-isolating quantitative dropper bottle including a liquid storage bottle, a liquid outlet head, a reset elastic member, a press-fit bottle cap, and a leak-proof dripper. The liquid storage bottle is sealedly connected to the liquid outlet head, the press-fit bottle cap is limitedly engaged with the liquid storage bottle, the press-fit bottle cap presses the reset elastic member and is sealedly connected to the liquid outlet head, and the press-fit bottle cap is provided with a pressure chamber corresponding to the liquid outlet head. When the press-fit bottle cap is squeezed and moved toward the liquid storage bottle, the liquid outlet head squeezes out the liquid medicine in the pressure chamber through the leak-proof dripper. The leak-proof dripper can ensure that outside air enters the pressure chamber, thereby improving the sealing performance and meeting the use requirements of providing liquid medicine for the eyes, ears, nose, and mouth.

Description

Technical Field

[0001] The present application relates to the technical field of eye drop devices, and in particular to an air-isolated quantitative dropper bottle. Background Art

[0002] The main reason for the current lack of dropper bottle devices for providing liquid medicine for the eyes, ears, nose, and mouth is that the sealing effect of existing devices is not ideal, which can easily allow air to enter and contaminate the liquid medicine.

[0003] Existing dropper bottle devices lack sealing properties, allowing air to enter the device. Once these impurities, such as microorganisms, dust, and other impurities in the air, enter the dropper bottle, they pose a threat to sensitive and easily contaminated liquid medicine. When delivering liquid medicine to the eyes, ears, nose, or mouth, it must be kept highly pure and sterile to ensure its safety and effectiveness. Therefore, dropper bottle devices with poor sealing properties cannot meet the requirements of delivering liquid medicine to the eyes, ears, nose, and mouth.

[0004] In summary, the insufficient sealing effect of the existing dropper bottle device is the main reason for the lack of devices for providing liquid medicine to the eyes, ears, nose, and mouth. Therefore, it is necessary to improve the sealing performance of the dropper bottle device to meet the needs of providing liquid medicine to the eyes, ears, nose, and mouth. Summary of the Invention

[0005] The embodiment of the present application provides an air-isolating quantitative dropper bottle, which can solve the technical problem that the current dropper bottle device has poor sealing effect and easily causes air to enter the dropper bottle device and contaminate the liquid medicine.

[0006] The embodiment of the present application provides an air-isolating quantitative dripping bottle, which includes a liquid storage bottle, a liquid discharge head, a reset elastic member, a press-fit bottle cap and a leak-proof dripping head, the liquid discharge head is sealed and connected to the bottle mouth of the liquid storage bottle, the reset elastic member is sleeved on the outside of the liquid discharge head, the press-fit bottle cap is limitedly engaged with the liquid storage bottle, the press-fit bottle cap presses the reset elastic member and is sealed and connected to the liquid discharge head, the press-fit bottle cap is provided with a pressure chamber corresponding to the liquid discharge head, the leak-proof dripping head is connected to the press-fit bottle cap and communicates with the pressure chamber; when the press-fit bottle cap moves toward the liquid storage bottle, the press-fit bottle cap presses the reset elastic member to drive the liquid discharge head to extend into the pressure chamber, and the liquid discharge head blocks the liquid inlet of the pressure chamber to squeeze out the medicine liquid in the pressure chamber through the leak-proof dripping head.

[0007] Furthermore, the leak-proof dripper includes a drip nozzle, a rubber head and a valve ball, the press-fit bottle cap is provided with a liquid extrusion port corresponding to the pressure chamber, the rubber head is arranged in the drip nozzle, the rubber head and the press-fit bottle cap are clamped by the drip nozzle, a valve chamber is provided in the rubber head corresponding to the liquid extrusion port, the drip nozzle is provided with a dripping port corresponding to the valve chamber, the valve chamber is provided with a plurality of elastic support members on the side away from the liquid extrusion port, and a liquid flow channel is provided between the elastic support members; when the press-fit bottle cap is in a free state, the valve ball is provided in the valve chamber and is supported by the elastic support members to block the liquid extrusion port; when the press-fit bottle cap moves toward the liquid storage bottle, the medicinal liquid in the pressure chamber squeezes the valve ball toward the side of the elastic support member to form a temporary channel to discharge the medicinal liquid from the dripping port.

[0008] Furthermore, the press-fit bottle cap includes a shell and a sealing cylinder. The top of the shell is provided with the pressure chamber. The volume of the pressure chamber is constant to control the amount of liquid medicine extruded each time. The diameter of the sealing cylinder is larger than the diameter of the pressure chamber. The sealing cylinder is arranged in the shell around the pressure chamber. The reset elastic member is sleeved on the outside of the sealing cylinder.

[0009] The liquid outlet head further includes a piston, which is arranged at the end of the core rod seat. The diameter of the piston is smaller than the diameter of the sealing cylinder. A liquid flow groove is provided between the piston and the sealing cylinder. A guide cavity is provided in the hollow of the core rod seat. A guide channel is provided between the core rod seat and the sealing cylinder, and the guide channel is communicated with the guide cavity.

[0010] When external force is applied to move the press-fit bottle cap toward the liquid storage bottle to complete one dripping operation, the external force is released to cause the press-fit bottle cap to move away from the liquid storage bottle under the action of the reset elastic member, and the pressure chamber forms a closed negative pressure chamber. As the piston continues to reset, when the piston passes through the liquid flow groove, the pressure chamber is connected to the liquid storage bottle through the guide chamber, the guide channel and the liquid storage bottle. Under the action of the negative pressure of the pressure chamber, the liquid in the liquid storage bottle is sucked into the pressure chamber to reserve for the next dripping operation.

[0011] Furthermore, the liquid storage bottle includes a bottle body and a bottle seat, the bottle seat is connected to the bottom of the bottle body, the bottle seat is provided with a first limiting buckle extending along the side of the bottle body, and the press-fit bottle cap is provided with a second limiting buckle extending along the side of the bottle body. The first limiting buckle and the second limiting buckle are mutually engaged, and the press-fit bottle cap and the bottle seat are kept in a limited engagement under the action of the reset elastic force of the reset elastic member.

[0012] Furthermore, a raised connecting ring is provided on the outer side of the bottle mouth of the liquid storage bottle, the liquid outlet head includes a core rod seat, a sealing ring is provided on the outer side of the core rod seat, the sealing tube is sealed and connected to the outer side of the core rod seat through the sealing ring, a clamping protrusion is provided on the inner side of the core rod seat, the core rod seat and the bottle mouth of the liquid storage bottle are clamped and connected to each other through the clamping protrusion and the raised connecting ring, and a first sealing gasket is also provided between the core rod seat and the bottle mouth of the liquid storage bottle.

[0013] Furthermore, when the press-fit bottle cap is in a free state, the medicinal liquid in the liquid storage bottle flows into the pressure chamber through the guide chamber, the guide channel and the liquid flow groove; when the press-fit bottle cap moves toward the liquid storage bottle, the piston blocks the guide channel and extends into the pressure chamber, and the piston and the sealing cylinder are interference fit to squeeze the medicinal liquid in the pressure chamber into the leak-proof dripper.

[0014] Furthermore, the press-fit bottle cap is provided with a buffer groove at the connection position with the sealing cylinder, and the buffer groove is arranged corresponding to the cavity mouth of the pressure chamber. When the press-fit bottle cap moves toward the liquid storage bottle, part of the piston is cached in the buffer groove.

[0015] Furthermore, a pressing plane is provided on the side of the shell facing away from the liquid storage bottle, and anti-slip ribs are provided in the pressing plane; the anti-slip ribs include circular ribs and / or broken line ribs surrounding the liquid outlet head, and / or straight ribs perpendicular to the axis of the liquid outlet head.

[0016] Furthermore, the rubber head is provided with a plurality of valve cavities arranged at intervals, and each valve cavity is provided with a valve ball; and / or the press-fit bottle cap is provided with a snap-fit ​​groove on the outer side corresponding to the liquid extrusion port, and the drip nozzle is provided with a snap-fit ​​convex ring corresponding to the snap-fit ​​groove, and the snap-fit ​​convex ring is clamped in the snap-fit ​​groove.

[0017] Furthermore, the leak-proof dripper also includes a sealing bottle cap, which is sleeved on the leak-proof dripper and blocks the dripping port.

[0018] The embodiment of the present application provides an isolated air quantitative dropper bottle, which stores liquid medicine in the isolated air quantitative dropper bottle. The isolated air quantitative dropper bottle includes a liquid storage bottle, a liquid discharge head, a reset elastic member, a press-fit bottle cap and a leak-proof dripper. The liquid storage bottle is sealed and connected to the liquid discharge head. The press-fit bottle cap is limited and clamped with the liquid storage bottle. The press-fit bottle cap presses the reset elastic member and is sealed and connected to the liquid discharge head. The press-fit bottle cap is provided with a pressure chamber corresponding to the liquid discharge head. When the press-fit bottle cap is squeezed and moved toward the liquid storage bottle, the liquid discharge head squeezes out the liquid medicine in the pressure chamber through the leak-proof dripper. The leak-proof dripper can ensure that outside air enters the pressure chamber, improves the sealing performance, and meets the use requirements of providing liquid medicine for the eyes, ears, nose, and mouth. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The following detailed description of the specific embodiments of the present application in conjunction with the accompanying drawings will make the technical solutions and other beneficial effects of the present application apparent.

[0020] Figure 1 This is a schematic structural diagram of the air-isolating quantitative dropper bottle provided in Example 1 of the present application.

[0021] Figure 2 This is a cross-sectional view of the air-isolating quantitative dropper bottle provided in Example 1 of the present application.

[0022] Figure 3 This is a partial structural cross-sectional view of the air-isolating quantitative dropper bottle provided in Example 1 of the present application.

[0023] Figure 4 This is a cross-sectional view of the press-fit bottle cap provided in Example 1 of the present application.

[0024] Figure 5 This is a cross-sectional view of the liquid discharge head provided in Example 1 of the present application.

[0025] Figure 6 This is a schematic structural diagram of the leak-proof dripper provided in Example 1 of the present application.

[0026] Figure 7 This is a schematic structural diagram of the rubber head provided in Example 1 of the present application.

[0027] Figure 8 This is a structural schematic diagram of the valve ball provided in Example 1 of the present application, which is located in the rubber head and supported by the elastic support member.

[0028] Figure 9 A schematic diagram of the structure for squeezing the valve ball toward one side of the elastic support member provided in Example 1 of the present application.

[0029] Figure 10 This is a schematic structural diagram of the press-fit bottle cap provided in Example 1 of the present application.

[0030] Figure 11 A side view of the pressing plane of the air-isolating quantitative dropper bottle provided in Example 1 of the present application.

[0031] Figure 12 This is a cross-sectional view of the air-isolating quantitative dropper bottle provided in Example 2 of the present application.

[0032] Figure 13 This is a cross-sectional view of the press-fit bottle cap provided in Example 2 of the present application.

[0033] Figure 14 This is a cross-sectional view of the liquid discharge head provided in Example 2 of the present application.

[0034] Figure 15This is a cross-sectional view of the air-isolating quantitative dropper bottle provided in Example 3 of the present application.

[0035] Figure 16 A side view of the pressing plane of an air-isolating quantitative dropper bottle provided in Example 4 of the present application.

[0036] Figure 17 A side view of the pressing plane of another air-isolating quantitative dropper bottle provided in Example 4 of the present application.

[0037] Figure 18 This is a schematic structural diagram of the air-isolating quantitative dropper bottle provided in Example 5 of the present application.

[0038] Figure 19 This is a cross-sectional view of the air-isolating quantitative dropper bottle provided in Example 5 of the present application.

[0039] The symbols in the figure are as follows:

[0040] Isolate air quantitative dropper bottle 100, liquid storage bottle 1, bottle body 11, raised connecting ring 111, bottle base 12, first limit buckle 121, second limit buckle 122, liquid outlet head 2, core rod base 21, snap-on protrusion 211, first sealing gasket 212, sealing ring 213, diversion chamber 214, diversion channel 215, liquid flow groove 216, piston 22, reset elastic member 3, press-fit bottle cap 4, pressure chamber 41, shell 42, pressing plane 421, anti-slip rib 422, sealing cylinder 43, liquid extrusion port 44, snap-on groove 45, leak-proof dripper 5, drip nozzle 51, dripping port 511, snap-on convex ring 512, rubber head 52, valve chamber 521, elastic support member 522, liquid flow channel 523, valve ball 53, sealing bottle cap 54, plunger 541, sealing nozzle 55, connecting convex ring 551, spray outlet 552, guide structure 553, liquid guide channel 554, liquid extraction tube 6. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the embodiments described are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts are within the scope of protection of this application.

[0042] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections, electrical connections, or mutual communication; they can refer to direct connections or indirect connections through an intermediate medium; they can refer to internal communication between two components or the interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0043] In this application, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0044] Example 1

[0045] like Figure 1 、 Figure 2 、 Figure 3 As shown, embodiment 1 of the present application provides an air-isolating quantitative dripping bottle 100, which includes a liquid storage bottle 1, a liquid discharge head 2, a reset elastic member 3, a press-fit bottle cap 4 and a leak-proof dripper 5. The liquid discharge head 2 is sealed and connected to the bottle mouth of the liquid storage bottle 1, the reset elastic member 3 is sleeved on the outside of the liquid discharge head 2, the press-fit bottle cap 4 is limited and engaged with the liquid storage bottle 1, the press-fit bottle cap 4 presses the reset elastic member 3 and is sealed and connected to the liquid discharge head 2, the press-fit bottle cap 4 is provided with a pressure chamber 41 corresponding to the liquid discharge head 2, and the leak-proof dripper 5 is connected to the press-fit bottle cap 4 and communicates with the pressure chamber 41; when the press-fit bottle cap 4 moves toward the liquid storage bottle 1, the press-fit bottle cap 4 presses the reset elastic member 3 to drive the liquid discharge head 2 to extend into the pressure chamber 41, and the liquid discharge head 2 blocks the liquid inlet of the pressure chamber 41 to squeeze out the liquid in the pressure chamber 41 through the leak-proof dripper 5.

[0046] The present application stores liquid medicine in an isolated air quantitative dropper bottle 100, and sets an isolated air quantitative dropper bottle 100 including a liquid storage bottle 1, a liquid discharge head 2, a reset elastic member 3, a press-fit bottle cap 4 and a leak-proof dripper 5. The liquid storage bottle 1 is sealed and connected to the liquid discharge head 2, and the press-fit bottle cap 4 is limited and clamped with the liquid storage bottle 1. The press-fit bottle cap 4 presses the reset elastic member 3 and is sealed and connected to the liquid discharge head 2. The press-fit bottle cap 4 is provided with a pressure chamber 41 corresponding to the liquid discharge head 2. When the press-fit bottle cap 4 is squeezed and moved toward the liquid storage bottle 1, the liquid discharge head 2 squeezes out the liquid medicine in the pressure chamber 41 through the leak-proof dripper 5. The leak-proof dripper 5 can ensure that outside air enters the pressure chamber 41, thereby improving the sealing performance and meeting the use requirements of providing liquid medicine for the eyes, ears, nose and mouth.

[0047] like Figure 2 As shown, the liquid storage bottle 1 includes a bottle body 11 and a bottle seat 12, the bottle seat 12 is connected to the bottom of the bottle body 11, the bottle seat 12 is provided with a first limiting buckle 121 extending along the side of the bottle body 11, and the press-fit bottle cap 4 is provided with a second limiting buckle 122 extending along the side of the bottle body 11, the first limiting buckle 121 and the second limiting buckle 122 are clamped with each other, and the press-fit bottle cap 4 is kept in a limited clamping connection with the bottle seat 12 under the action of the reset elastic force of the reset elastic member 3.

[0048] Preferably, an inner liner is provided in the bottle body 11 to maintain the cleanliness of the liquid medicine in the bottle body 11 .

[0049] like Figure 2 、 Figure 3 、 Figure 4 As shown, the press-fit bottle cap 4 includes an outer shell 42 and a sealing cylinder 43. The pressure chamber 41 is provided on the top of the outer shell 42. The volume of the pressure chamber 41 is constant to control the amount of liquid medicine extruded each time. The diameter of the sealing cylinder 43 is larger than the diameter of the pressure chamber 41. The sealing cylinder 43 is arranged around the pressure chamber 41 in the outer shell 42, and the reset elastic member 3 is sleeved on the outside of the sealing cylinder 43.

[0050] like Figure 2 、 Figure 3 As shown, a raised connecting ring 111 is provided on the outer side of the bottle mouth of the liquid storage bottle 1, the liquid outlet head 2 includes a core rod seat 21, a sealing ring 213 is provided on the outer side of the core rod seat 21, the sealing tube 43 is sealed and connected to the outer side of the core rod seat 21 through the sealing ring 213, and a clamping protrusion 211 is provided on the inner side of the core rod seat 21. The core rod seat 21 and the bottle mouth of the liquid storage bottle 1 are clamped and connected to each other through the clamping protrusion 211 and the raised connecting ring 111. A first sealing gasket 212 is also provided between the core rod seat 21 and the bottle mouth of the liquid storage bottle 1.

[0051] like Figure 2 、 Figure 3 、 Figure 5 As shown, the liquid outlet head 2 also includes a piston 22, which is arranged at the end of the core rod seat 21. The diameter of the piston 22 is smaller than the diameter of the sealing tube 43. A liquid flow groove 216 is provided between the piston 22 and the sealing tube 43. The core rod seat 21 is hollow and has a guide cavity 214. The core rod seat 21 is provided with a guide channel 215 between the sealing tube 43 and the piston 22. The guide channel 215 is connected to the guide cavity 214.

[0052] When external force is applied to move the press-fit bottle cap 4 toward the liquid storage bottle 1 to complete one dripping, the external force is released so that the press-fit bottle cap 4 moves toward and away from the liquid storage bottle 1 under the action of the reset elastic member 3, and the pressure chamber 41 forms a closed negative pressure chamber. As the piston 22 continues to reset, when the piston 22 passes through the liquid flow groove 216, the pressure chamber 41 is connected to the liquid storage bottle 1 through the guide chamber 214 and the guide channel 215. Under the action of the negative pressure of the pressure chamber 41, the liquid medicine in the liquid storage bottle 1 is sucked into the pressure chamber 41 to be stored for the next dripping.

[0053] When the liquid medicine drips out, a dripping operation is completed. At this time, the external force is released, and under the action of the return elastic member 3, the press-fit bottle cap 4 moves away from the liquid storage bottle 1. The pressure chamber 41 forms a closed negative pressure chamber. As the piston 22 continues to return and passes through the liquid flow groove 216, the closed pressure chamber 41 communicates with the liquid storage bottle 1 through the diversion chamber 214 and the diversion channel 215. Under the action of negative pressure, the liquid medicine in the liquid storage bottle 1 is sucked into the pressure chamber 41 to be stored for the next dripping operation.

[0054] When the press-fit bottle cap 4 is in a free state, the medicinal liquid in the liquid storage bottle 1 flows into the pressure chamber 41 through the guide chamber 214, the guide channel 215 and the liquid flow groove 216; when the press-fit bottle cap 4 moves toward the liquid storage bottle 1, the piston 22 blocks the liquid flow groove 216 and extends into the pressure chamber 41, and the piston 22 and the sealing cylinder 43 are interference fit to squeeze the medicinal liquid in the pressure chamber 41 into the leak-proof dripper 5.

[0055] It is understood that after the piston 22 squeezes the liquid medicine in the pressure chamber 41 into the leak-proof dripper 5, the elastic force of the reset elastic member 3 resets the press-fit bottle cap 4 to a free state, and the piston 22 is pulled out of the pressure chamber 41, further allowing the liquid medicine in the liquid storage bottle 1 to flow into the pressure chamber 41. The volume of the pressure chamber 41 can be used to control the amount of liquid medicine squeezed out each time.

[0056] Specifically, such as Figure 3As shown, the piston 22 blocks the liquid inlet of the pressure chamber 41 to form the liquid flow groove 216. When the piston 22 is located outside the pressure chamber 41, the liquid flow groove 216 is formed between the piston 22 and the sealing cylinder 43. The liquid medicine in the liquid storage bottle 1 flows into the pressure chamber 41 through the diversion chamber 214, the diversion channel 215 and the liquid flow groove 216 in sequence. The pressure chamber 41 is a measuring chamber. The amount of liquid medicine dripped out each time is the capacity of the pressure chamber 41. The capacity of the pressure chamber 41 is consistent and controllable, so the amount of liquid medicine dripped out is balanced. When the piston 22 is pushed into the pressure chamber 41, the piston 22 blocks the liquid flow groove 216, so that the pressure chamber 41 is blocked by the piston 22. The piston 22 gradually extends into the pressure chamber 41, squeezing the liquid medicine in the pressure chamber 41 into the leak-proof dripper 5. When the piston 22 is pulled out from the pressure chamber 41, the leak-proof dripper 5 is sealed to prevent air from entering the pressure chamber 41, and the pressure chamber 41 forms a closed negative pressure chamber. As the piston 22 continues to reset, when the piston 22 passes through the liquid flow groove 216, the closed pressure chamber 41 is connected to the liquid storage bottle 1 through the diversion chamber 214, the diversion channel 215, and the liquid storage bottle 1. Under the action of negative pressure, the liquid medicine in the liquid storage bottle 1 will be sucked into the pressure chamber 41 to reserve for the next dripping of medicine.

[0057] Furthermore, the press-fit bottle cap 4 is provided with a buffer groove at the connection position with the sealing cylinder 43, and the buffer groove is arranged corresponding to the cavity mouth of the pressure chamber 41. When the press-fit bottle cap 4 moves toward the liquid storage bottle 1, part of the piston 22 is cached in the buffer groove.

[0058] like Figure 2 、 Figure 3 、 Figure 4 As shown, the housing 42 is provided with a pressing surface 421 on the side facing away from the liquid storage bottle 1, and an anti-slip rib 422 is provided inside the pressing surface 421; Figure 10 、 Figure 11 As shown, the anti-slip ribs 422 include circular ribs surrounding the liquid outlet head 2. The pressing plane 421 is provided with a plurality of ribs, which play an anti-slip role when pressed by fingers during use.

[0059] like Figure 6As shown, the leak-proof dripper 5 includes a drip nozzle 51, a rubber head 52 and a valve ball 53. The press-fit bottle cap 4 is provided with a liquid extrusion port 44 corresponding to the pressure chamber 41. The rubber head 52 is arranged in the drip nozzle 51. The drip nozzle 51 clamps the rubber head 52 and the press-fit bottle cap 4. A valve cavity 521 is provided in the rubber head 52 corresponding to the liquid extrusion port 44. The drip nozzle 51 is provided with a drip port 511 corresponding to the valve cavity 521. The valve cavity 521 is provided with multiple valves on the side away from the liquid extrusion port 44. elastic support members 522, and a liquid flow channel 523 is provided between the elastic support members 522; when the pressed bottle cap 4 is in a free state, the valve ball 53 is arranged in the valve cavity 521 and is supported by the elastic support members 522 to block the liquid extrusion port 44; when the pressed bottle cap 4 moves toward the liquid storage bottle 1, the medicinal liquid in the pressure cavity 41 squeezes the valve ball 53 toward one side of the elastic support members 522 to form a temporary channel to discharge the medicinal liquid from the dripping port 511.

[0060] It is understandable that after the piston 22 squeezes the liquid in the pressure chamber 41 into the leak-proof dripper 5, the press-fit bottle cap 4 is reset to a free state under the elastic force of the reset elastic member 3. During the process of pulling the piston 22 out of the pressure chamber 41, the valve ball 53 is supported by the elastic support member 522 to seal the liquid extrusion port 44, which can improve the sealing performance and prevent air from flowing into the pressure chamber 41.

[0061] like Figure 6 、 Figure 7 、 Figure 8 、 Figure 9 As shown, the rubber head 52 is provided with multiple valve cavities 521 spaced apart from each other, each of which houses a valve ball 53. Preferably, two valve balls 53 are provided, and two valve cavities 521 are provided. The two valve balls 53 provide a seal, thereby improving the sealing performance and preventing air from flowing into the pressure chamber 41. This multi-layered seal provides better protection against leakage and bacteria.

[0062] like Figure 8 As shown, in the free state, the piston 22 is located outside the pressure chamber 41 , and the valve ball 53 is supported by the elastic support member 522 to block the liquid extrusion port 44 , thereby sealing the leak-proof dripper 5 to prevent air from entering the pressure chamber 41 .

[0063] like Figure 9 As shown, when the piston 22 is pushed toward the pressure chamber 41, the piston 22 squeezes the liquid medicine in the pressure chamber 41 into the leak-proof dripper 5. The liquid medicine in the pressure chamber 41 squeezes the valve ball 53 toward the elastic support 522 to form a temporary channel, and the liquid medicine is discharged from the dripping port 511.

[0064] like Figure 8 As shown, when the piston 22 is pulled out from the pressure chamber 41, the pressure chamber 41 forms a closed negative pressure chamber. Under the action of negative pressure, the valve ball 53 is supported by the elastic support member 522 to block the liquid extrusion port 44, thereby sealing the leak-proof dripper 5 to prevent air from entering the pressure chamber 41.

[0065] The press-fit bottle cap 4 is provided with a snap-fit ​​groove 45 on the outer side corresponding to the liquid extrusion port 44 , and the drip nozzle 51 is provided with a snap-fit ​​convex ring 512 corresponding to the snap-fit ​​groove 45 , and the snap-fit ​​convex ring 512 is snap-fitted in the snap-fit ​​groove 45 .

[0066] like Figure 6 As shown, the leak-proof dripper 5 further includes a sealing cap 54, which is mounted on the leak-proof dripper 5 and blocks the dripping port 511. The sealing cap 54 is mounted with a plunger 541, which seals the dripping port 511. When the sealing cap 54 is mounted, the dripping port 511 is blocked. At this point, pressing the press-fit cap 4 will not work because the dripping port 511 is blocked and liquid cannot flow, thus preventing misoperation and providing a seal.

[0067] After injecting the liquid medicine into the air-isolating quantitative dropper bottle 100, fasten the air-isolating quantitative dropper bottle 100 to store the liquid medicine. When using the air-isolating quantitative dropper bottle 100 filled with liquid medicine to drip into the eyes, ears, nose, and mouth, press the press-fit bottle cap 4 by hand to move it toward the liquid storage bottle 1. The press-fit bottle cap 4 presses the reset elastic member 3 to drive the liquid outlet head 2 into the pressure chamber 41. The liquid outlet head 2 blocks the liquid inlet of the pressure chamber 41 and squeezes the liquid medicine in the pressure chamber 41 through the leak-proof dripper 5. After the piston 22 squeezes the liquid medicine in the pressure chamber 41 into the leak-proof dripper 5, the press-fit bottle cap 4 is reset to a free state under the elastic force of the reset elastic member 3.

[0068] The embodiment of the present application provides an isolated air quantitative dropper bottle, which stores liquid medicine in the isolated air quantitative dropper bottle 100. The isolated air quantitative dropper bottle 100 includes a liquid storage bottle 1, a liquid discharge head 2, a reset elastic member 3, a press-fit bottle cap 4 and a leak-proof dripper 5. The liquid storage bottle 1 is sealed and connected to the liquid discharge head 2. The press-fit bottle cap 4 is limited and clamped with the liquid storage bottle 1. The press-fit bottle cap 4 presses the reset elastic member 3 and is sealed and connected to the liquid discharge head 2. The press-fit bottle cap 4 is provided with a pressure chamber 41 corresponding to the liquid discharge head 2. When the press-fit bottle cap 4 is squeezed and moved toward the liquid storage bottle 1, the liquid discharge head 2 squeezes out the liquid medicine in the pressure chamber 41 through the leak-proof dripper 5. The leak-proof dripper 5 can ensure that outside air enters the pressure chamber 41, thereby improving the sealing performance and meeting the use requirements of providing liquid medicine for the eyes, ears, nose and mouth.

[0069] Example 2

[0070] like Figure 12 、 Figure 13 、 Figure 14 As shown, the difference between Example 2 of the present application and Example 1 lies in the difference in the structure of the sealing cylinder 43 of the pressed bottle cap 4 and the difference in the structure of the core rod seat 21 of the liquid discharge head 2.

[0071] Example 2 includes most of the technical features of Example 1. For the remaining content of Example 2, please refer to the content of Example 1 and will not be repeated here.

[0072] Example 3

[0073] like Figure 15 As shown, the difference between Example 3 of the present application and Example 1 and Example 2 lies in the difference in the structure of the valve ball 53 of the leak-proof dripper 5. The valve ball 53 is set to be cylindrical, which can be better supported by the elastic support member 522 to seal the liquid extrusion port 44, thereby achieving the sealing of the leak-proof dripper 5 to prevent air from entering the pressure chamber 41.

[0074] For the rest of the content of Example 3, please refer to the content of Example 1 and Example 2, which will not be repeated here.

[0075] Example 4

[0076] like Figure 16 、 Figure 17 As shown, the difference between Example 4 of the present application and Example 1, Example 2, and Example 3 is that Figure 16 As shown, the anti-slip ribs 422 include circular ribs and broken line ribs surrounding the liquid outlet head 2. Figure 17 As shown, the anti-slip ribs 422 include circular ribs surrounding the liquid outlet head 2 and linear ribs perpendicular to the axis of the liquid outlet head 2. The pressing surface 421 is provided with multiple ribs, which play an anti-slip role when pressed by fingers during use.

[0077] For the rest of the content of Example 4, please refer to the contents of Example 1, Example 2, and Example 3, which will not be repeated here.

[0078] Example 5

[0079] like Figure 18 、 Figure 19 As shown, the difference between Example 5 of the present application and Example 1, Example 2, Example 3, and Example 4 is that the drip nozzle 51 and the sealed bottle cap 54 are not provided, and the leak-proof dripper 5 also includes a sealing nozzle 55, which is provided to replace the drip nozzle 51, and the sealing nozzle 55 is connected to the press-fit bottle cap 4.

[0080] Specifically, the press-fit bottle cap 4 is provided with a clamping groove 45 on the outer side corresponding to the extrusion port 44 , and the sealing nozzle 55 is provided with a connecting convex ring 551 corresponding to the clamping groove 45 , and the connecting convex ring 551 is clamped in the clamping groove 45 .

[0081] The sealed nozzle 55 is provided with a spray outlet 552 and a guide structure 553. A liquid guide channel 554 is provided in the guide structure 553. The liquid guide channel 554 is connected to the dripping port 511. The spray outlet 552 is connected to the dripping port 511 through the liquid guide channel 554, so that the liquid sprayed from the dripping port 511 is formed into a mist.

[0082] Preferably, the spray outlet 552 is an elliptical funnel-shaped structure, the extension direction of the liquid guide channel 554 is the same as the extension direction of the guide structure 553, and the guide structure 553 and the liquid guide channel 554 are C-shaped to achieve a 90-degree turn, which can guide the vertically sprayed liquid to be sprayed in a horizontal direction, making it convenient to spray towards the eyes and meet the needs of providing liquid medicine for the eyes, ears, nose and mouth.

[0083] In addition, in order to facilitate the core rod seat 21 of the liquid outlet head 2 to extract the liquid from the bottle body 11, a liquid extraction tube 6 can be further provided. The liquid extraction tube 6 is connected to the top of the core rod seat 21 and extends to the bottom of the bottle body 11.

[0084] In the above embodiments, the description of each embodiment has its own focus. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0085] The above is a detailed introduction to an air-isolating quantitative dropper bottle provided in an embodiment of the present application. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the technical solution and core idea of ​​the present application; ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some of the technical features therein with equivalents; and these modifications or replacements do not cause the essence of the corresponding technical solution to deviate from the scope of the technical solution of each embodiment of the present application.

Claims

1. An air-isolating quantitative dropper bottle, characterized in that: The air-isolating quantitative dripping bottle comprises a liquid storage bottle, a liquid discharge head, a reset elastic member, a press-fit bottle cap and a leak-proof dripping head, the liquid discharge head is sealed and connected to the bottle mouth of the liquid storage bottle, the reset elastic member is sleeved on the outside of the liquid discharge head, the press-fit bottle cap is limitedly engaged with the liquid storage bottle, the press-fit bottle cap presses the reset elastic member and is sealed and connected to the liquid discharge head, the press-fit bottle cap is provided with a pressure chamber corresponding to the liquid discharge head, and the leak-proof dripping head is connected to the press-fit bottle cap and communicates with the pressure chamber; when the press-fit bottle cap moves toward the liquid storage bottle, the press-fit bottle cap presses the reset elastic member to drive the liquid discharge head to extend into the pressure chamber, the liquid discharge head blocks the liquid inlet of the pressure chamber, and the liquid in the pressure chamber is squeezed out through the leak-proof dripping head; The press-fit bottle cap includes a shell and a sealing cylinder. The top of the shell is provided with the pressure chamber. The volume of the pressure chamber is constant to control the amount of liquid medicine extruded each time. The diameter of the sealing cylinder is larger than the diameter of the pressure chamber. The sealing cylinder is arranged in the shell around the pressure chamber. The resetting elastic member is sleeved on the outside of the sealing cylinder. The liquid outlet head further includes a core rod seat and a piston, wherein the piston is provided at the end of the core rod seat, the diameter of the piston is smaller than the diameter of the sealing cylinder, a liquid flow groove is provided between the piston and the sealing cylinder, a guide cavity is provided in the hollow of the core rod seat, and a guide channel is provided between the core rod seat and the sealing cylinder, and the guide channel is communicated with the guide cavity; When external force is applied to move the press-fit bottle cap toward the liquid storage bottle to complete one dripping operation, the external force is released to cause the press-fit bottle cap to move away from the liquid storage bottle under the action of the reset elastic member, and the pressure chamber forms a closed negative pressure chamber. As the piston continues to reset, when the piston passes through the liquid flow groove, the pressure chamber is connected to the liquid storage bottle through the guide chamber, the guide channel and the liquid storage bottle. Under the action of the negative pressure of the pressure chamber, the liquid in the liquid storage bottle is sucked into the pressure chamber to reserve for the next dripping operation.

2. The air-isolating quantitative dropper bottle according to claim 1, characterized in that: The leak-proof dripper includes a drip nozzle, a rubber head and a valve ball. The press-fit bottle cap is provided with a liquid extrusion port corresponding to the pressure chamber. The rubber head is arranged in the drip nozzle, and the drip nozzle clamps the rubber head and the press-fit bottle cap. A valve chamber is provided in the rubber head corresponding to the liquid extrusion port. The drip nozzle is provided with a dripping port corresponding to the valve chamber. The valve chamber is provided with a plurality of elastic support members on the side away from the liquid extrusion port, and a liquid flow channel is provided between the elastic support members; when the press-fit bottle cap is in a free state, the valve ball is provided in the valve chamber and is supported by the elastic support members to block the liquid extrusion port; when the press-fit bottle cap moves toward the liquid storage bottle, the medicinal liquid in the pressure chamber squeezes the valve ball toward the side of the elastic support member to form a temporary channel to discharge the medicinal liquid from the dripping port.

3. The air-isolating quantitative dropper bottle according to claim 1, characterized in that: The liquid storage bottle includes a bottle body and a bottle seat, the bottle seat is connected to the bottom of the bottle body, the bottle seat is provided with a first limiting buckle extending along the side of the bottle body, and the press-fit bottle cap is provided with a second limiting buckle extending along the side of the bottle body. The first limiting buckle and the second limiting buckle are engaged with each other, and the press-fit bottle cap and the bottle seat are kept in a limited engagement under the action of the reset elastic force of the reset elastic member.

4. The air-isolating quantitative dropper bottle according to claim 1, characterized in that: A raised connecting ring is provided on the outer side of the bottle mouth of the liquid storage bottle, a sealing ring is provided on the outer side of the core rod seat, the sealing tube is sealed and connected to the outer side of the core rod seat through the sealing ring, a clamping protrusion is provided on the inner side of the core rod seat, the core rod seat and the bottle mouth of the liquid storage bottle are clamped and connected to each other through the clamping protrusion and the raised connecting ring, and a first sealing gasket is also provided between the core rod seat and the bottle mouth of the liquid storage bottle.

5. The air-isolating quantitative dropper bottle according to claim 4, characterized in that: When the press-fit bottle cap is in a free state, the medicinal liquid in the liquid storage bottle flows into the pressure chamber through the guide chamber, the guide channel and the liquid flow groove; when the press-fit bottle cap moves toward the liquid storage bottle, the piston blocks the guide channel and extends into the pressure chamber, and the piston and the sealing cylinder are interference fit to squeeze the medicinal liquid in the pressure chamber into the leak-proof dripper.

6. The air-isolating quantitative dropper bottle according to claim 5, characterized in that: The press-fit bottle cap is provided with a buffer groove at the connection position with the sealing cylinder. The buffer groove is arranged corresponding to the cavity opening of the pressure chamber. When the press-fit bottle cap moves toward the liquid storage bottle, part of the piston is buffered in the buffer groove.

7. The air-isolating quantitative dropper bottle according to claim 1, characterized in that: A pressing plane is provided on the side of the shell facing away from the liquid storage bottle, and anti-slip ribs are provided in the pressing plane; the anti-slip ribs include circular ribs and / or broken line ribs surrounding the liquid discharge head, and / or straight ribs perpendicular to the axis of the liquid discharge head.

8. The air-isolating quantitative dropper bottle according to claim 2, characterized in that: The rubber head is provided with a plurality of valve cavities arranged at intervals, and each valve cavity is provided with a valve ball; and / or the press-fit bottle cap is provided with a clamping groove on the outer side corresponding to the liquid extrusion port, and the drip nozzle is provided with a clamping convex ring corresponding to the clamping groove, and the clamping convex ring is clamped in the clamping groove.

9. The air-isolating quantitative dropper bottle according to claim 8, characterized in that: The leak-proof dripper also includes a sealing bottle cap, which is sleeved on the leak-proof dripper and blocks the dripping port.

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