CN-122005307-A - Quantitative air isolation dropping bottle

CN122005307ACN 122005307 ACN122005307 ACN 122005307ACN-122005307-A

Abstract

The application discloses an isolated air quantitative dropping bottle. The isolation air quantitative dropping liquid bottle comprises a liquid storage bottle, a liquid outlet head, a reset spring, a pressing bottle cap and a leakage-proof dropping head. According to the application, the quantitative cavity and the leakage-proof dripper are arranged in the dripping bottle, so that the liquid medicine is prevented from being polluted by external air in the using process, and accurate quantitative dripping of the liquid medicine can be realized. The design of the anti-leakage dripper effectively isolates the contact between the air and the liquid medicine, ensures that the liquid medicine is kept sterile when dripped out, and avoids the invasion of external microorganisms and dust. Compared with the prior art, the application realizes more stable and reliable sealing performance, greatly improves the safety of the dropping bottle and the effectiveness of the liquid medicine, and meets the high requirements on sterility and accurate dropping amount when the liquid medicine is provided for sensitive parts such as eyes, ears, nose, mouth and the like.

Inventors

ZHANG HONGJIE
WANG XINGGUO
TANG CHAOYANG

Assignees

贝普医疗科技股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260228

Claims (10)

1. The isolation air quantitative dropping bottle is characterized by comprising a liquid storage bottle, a liquid outlet head, a reset spring, a pressing bottle cap and a leakage-proof dropping head, wherein the liquid outlet head is connected to the bottle mouth of the liquid storage bottle in a sealing manner, the reset spring is sleeved outside the liquid outlet head, the pressing bottle cap is in limiting clamping connection with the liquid storage bottle, the pressing bottle cap compresses the reset spring and is connected with the liquid outlet head in a sealing manner, a quantitative cavity is arranged on the pressing bottle cap corresponding to the liquid outlet head, and the leakage-proof dropping head is connected with the pressing bottle cap and is communicated with the quantitative cavity; The anti-leakage drip head comprises a drip nozzle, a valve bead spring and a residual plug, wherein the drip nozzle is sealed and arranged on the outer side of the drip head, the drip nozzle and the drip head are mutually limited and clamped and then are jointly fixed in the pressing bottle cap, the pressing bottle cap is provided with a liquid squeezing opening corresponding to the drip head, the valve cavity, the anti-leakage cavity and the drip opening are sequentially arranged in the drip nozzle corresponding to the liquid squeezing opening, grooves are formed in the inner side walls of the valve cavity and the anti-leakage cavity, the diameter of the anti-leakage cavity is smaller than that of the valve cavity, the valve bead is movably arranged in the valve cavity, the residual plug is arranged in the anti-leakage cavity, the valve bead spring is sleeved on the outer side of the residual plug and is arranged in the anti-leakage cavity, and the valve bead spring is supported by the valve bead to press the residual plug into the anti-leakage cavity, and the anti-leakage cavity is communicated with the drip opening through the grooves positioned on the outer side of the residual plug; when the pressing bottle cap moves towards the liquid storage bottle, the liquid medicine in the quantitative cavity extrudes the valve beads towards one side of the valve bead spring to form a temporary channel, and the liquid medicine is discharged from the liquid dropping port through the groove.
2. The isolated air quantitative dropping bottle of claim 1, wherein the liquid outlet head comprises a core rod seat and a piston, a flow guide cavity is arranged in the core rod seat, a flow guide channel is arranged on the side wall of the core rod seat, the core rod seat is connected to the bottle mouth of the liquid storage bottle in a sealing way, and the piston is arranged at the end part of the core rod seat; The reset spring is sleeved outside the core rod seat; the outer side of the core rod seat is provided with a supporting plane, one end, far away from the piston, of the core rod seat forms a circular bottom plate, a spring fixing part is arranged on the circular bottom plate, a first end of the return spring is supported on the supporting plane of the core rod seat, a second end of the return spring is clamped on the spring fixing part, and the return spring is supported between the core rod seat and the piston cylinder; When the pressing bottle cap is in a free state, the reset spring stretches the core rod seat and the piston cylinder so that the piston is positioned outside the quantifying cavity, the diversion channel, the diversion cavity and the quantifying cavity are communicated with each other, so that the quantifying cavity is filled with liquid medicine, when the pressing bottle cap moves towards the liquid storage bottle, the reset spring is compressed so that the distance between the core rod seat and the piston cylinder is reduced, and the piston stretches into the quantifying cavity.
3. The air-isolated quantitative dropping bottle according to claim 2, wherein the pressing bottle cap comprises a shell and a piston cylinder, the shell is in limiting clamping connection with the liquid storage bottle, the piston cylinder is fixed in the shell, the piston cylinder is tightly pressed by the reset spring to be sleeved on the outer side of the core rod seat, the quantitative cavity is arranged in the piston cylinder, and the liquid squeezing port is arranged on the piston cylinder corresponding to the quantitative cavity.
4. The isolation air quantitative dropping bottle as set forth in claim 3, wherein the pressing bottle cap further comprises a rubber head, the rubber head is fixed at the end part of the piston cylinder, the rubber head is used for communicating the liquid squeezing port with the valve cavity, the rubber head is arranged corresponding to the valve cavity and forms a part of the structure of the valve cavity, one end of the rubber head, which faces the piston cylinder, is provided with an outer circular surface table and an inner circular surface table, the rubber head is in interference clamping connection with the inner side wall of the dropping nozzle through the outer circular surface table, the inner circular surface table is arranged around the end part of the piston cylinder, an inner circular ring convex rib is arranged at the inner side edge of the rubber head, which is communicated with the valve cavity, and the inner circular ring convex rib is matched with the valve bead to control the circulation and the cutting off of a liquid flow channel.
5. The isolated air quantitative drip bottle according to claim 3, wherein said piston cylinder is provided with a transition cavity at a position corresponding to said core rod, said transition cavity having a diameter larger than that of said quantitative cavity, said piston cylinder is provided with a plurality of bosses at a position where said transition cavity is connected to said quantitative cavity, a gap between two of said bosses forms a liquid flowing groove, said bosses defining a swinging gap of said piston; After the pressing bottle cap moves towards the liquid storage bottle direction to finish one-time liquid dropping by applying external force, the external force is released to enable the pressing bottle cap to move towards the direction away from the liquid storage bottle under the action of the reset spring, the quantitative cavity forms a closed negative pressure cavity, and then the piston continuously resets.
6. The isolation air quantitative dropping bottle of claim 5, wherein the outer side of the middle part of the core rod seat adjacent to the piston is provided with at least one sealing ring, the transition cavity of the core rod seat and the piston cylinder are in sealing connection through the sealing ring, the inner side of one end of the core rod seat far away from the piston is provided with a clamping bulge, the outer side of the bottle mouth of the liquid storage bottle is provided with a bulge connecting ring, the core rod seat and the bottle mouth of the liquid storage bottle are in clamping connection through the clamping bulge and the bulge connecting ring, and a sealing gasket is further arranged between the core rod seat and the bottle mouth of the liquid storage bottle.
7. The isolation air quantitative dropping bottle as claimed in claim 2, wherein the dropping nozzle is provided with a fixed chassis for fixing the annular bottom plate of the piston, the fixed chassis is provided with a plurality of supporting bosses corresponding to the annular bottom plate of the piston, the fixed chassis is provided with a plurality of hooks corresponding to the edge of the annular bottom plate of the piston, and the hooks are enclosed into a ring shape to clamp and limit the annular bottom plate.
8. The air-isolated quantitative dropping bottle of claim 3, wherein the liquid storage bottle comprises a bottle body and a bottle seat, the bottle seat is connected to the bottom of the bottle body, a first limit buckle is arranged along the side portion of the bottle body in an extending mode, a second limit buckle is arranged along the side portion of the bottle body in an extending mode of the outer shell, the first limit buckle and the second limit buckle are mutually clamped, the pressing bottle cap and the bottle seat are kept in limiting clamping under the action of reset elastic force of the reset spring, and when the reset spring is compressed, the first limit buckle and the second limit buckle are mutually separated, and the second limit buckle of the outer shell slides relative to the bottle seat.
9. The isolated air quantitative drip bottle according to claim 1, wherein a silver plating antibacterial layer is arranged on the outer surface of the valve bead spring, and the longitudinal section of the residual plug is T-shaped.
10. The isolated air quantitative drip chamber of claim 1, wherein said leak-proof drip chamber further comprises a sealing cap, said sealing cap being positioned over said leak-proof drip chamber and closing said drip orifice.

Description

Quantitative air isolation dropping bottle Technical Field The application relates to the technical field of eye drops, in particular to an air-isolated quantitative dropping bottle. Background At present, the common dropping bottle device on the market has the problem of insufficient sealing performance when providing liquid medicine for eyes, ears, nose, mouth and other parts. These drip bottles are prone to outside air entering the bottle, thereby causing contamination of the liquid medicine and affecting the safety and effectiveness of the liquid medicine. Especially, the application of the liquid medicine on sensitive parts such as eyes, ears, nose and the like requires to keep high purity and sterile state so as to avoid the pollution of microorganisms, dust or other impurities to the liquid medicine. The existing dropping bottle device cannot effectively prevent air from entering the bottle due to poor sealing effect, so that the requirements of special purposes cannot be met. Therefore, the sealing performance of the dropping bottle device is improved, and the medicine liquid is ensured not to be polluted, so that the technical problem to be solved is urgent. Disclosure of Invention The embodiment of the application provides an isolated air quantitative dropping bottle, which can solve the problem that the existing dropping bottle device has poor sealing performance, and external air easily enters the inside of the dropping bottle to pollute liquid medicine, and particularly solves the technical problem that the existing device is difficult to ensure the sterility and safety of the liquid medicine when the liquid medicine is provided for sensitive parts such as eyes, ears, nose, mouths and the like. The embodiment of the application provides an isolated air quantitative liquid dropping bottle, which comprises a liquid storage bottle, a liquid outlet head, a reset spring, a pressing bottle cap and a leakage-proof liquid dropping head, wherein the liquid outlet head is connected to the bottle mouth of the liquid storage bottle in a sealing way, the reset spring is sleeved outside the liquid outlet head, the pressing bottle cap is in limiting clamping connection with the liquid storage bottle, the pressing bottle cap compresses the reset spring to be connected with the liquid outlet head in a sealing way, a quantitative cavity is arranged on the pressing bottle cap corresponding to the liquid outlet head, and the leakage-proof liquid dropping head is connected with the pressing bottle cap and is communicated with the quantitative cavity; The anti-leakage drip head comprises a drip nozzle, a valve bead spring and a residual plug, wherein the drip nozzle is sealed and arranged on the outer side of the drip head, the drip nozzle and the drip head are mutually limited and clamped and then are jointly fixed in the pressing bottle cap, the pressing bottle cap is provided with a liquid squeezing opening corresponding to the drip head, the valve cavity, the anti-leakage cavity and the drip opening are sequentially arranged in the drip nozzle corresponding to the liquid squeezing opening, grooves are formed in the inner side walls of the valve cavity and the anti-leakage cavity, the diameter of the anti-leakage cavity is smaller than that of the valve cavity, the valve bead is movably arranged in the valve cavity, the residual plug is arranged in the anti-leakage cavity, the valve bead spring is sleeved on the outer side of the residual plug and is arranged in the anti-leakage cavity, and the valve bead spring is supported by the valve bead to press the residual plug into the anti-leakage cavity, and the anti-leakage cavity is communicated with the drip opening through the grooves positioned on the outer side of the residual plug; when the pressing bottle cap moves towards the liquid storage bottle, the liquid medicine in the quantitative cavity extrudes the valve beads towards one side of the valve bead spring to form a temporary channel, and the liquid medicine is discharged from the liquid dropping port through the groove. Further, the liquid outlet head comprises a core rod seat and a piston, wherein a flow guide cavity is arranged in the core rod seat, a flow guide channel is arranged on the side wall of the core rod seat, the core rod seat is connected to the bottle mouth of the liquid storage bottle in a sealing way, and the piston is arranged at the end part of the core rod seat; The reset spring is sleeved outside the core rod seat; the outer side of the core rod seat is provided with a supporting plane, one end, far away from the piston, of the core rod seat forms a circular bottom plate, a spring fixing part is arranged on the circular bottom plate, a first end of the return spring is supported on the supporting plane of the core rod seat, a second end of the return spring is clamped on the spring fixing part, and the return spring is supported between the core rod seat and the piston cylinder; When