CN112716789B

CN112716789B - Controllable dripper and dropping bottle of dropping speed

Info

Publication number: CN112716789B
Application number: CN202011542723.6A
Authority: CN
Inventors: 吴刚; 胡晋
Original assignee: Aptar Suzhou Dispensing Systems Co Ltd
Current assignee: Aptar Suzhou Dispensing Systems Co Ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2023-06-20
Anticipated expiration: 2040-12-23
Also published as: CN112716789A

Abstract

The invention provides a dripper and a drip bottle with controllable dripping speed, which comprise a body, wherein the body is provided with an accommodating space for accommodating contents after inversion, a liquid outlet for communicating the accommodating space with external air and an extrusion mechanism for sending air into the accommodating space; the pressing mechanism includes an operating portion and a check valve. After the bottle body is inverted, the content can be dripped by pressing the operation part, and the dripping speed of the content can be controlled by controlling the pressing frequency, so that the operation is simple and convenient, and the problems of complicated operation and loss of separating the dripper and the bottle body are avoided.

Description

Controllable dripper and dropping bottle of dropping speed

Technical Field

The invention relates to the field of dropping bottles, in particular to a dropping head capable of controlling dropping speed and a dropping bottle using the dropping head.

Background

At present, a mode of continuous liquid dripping is mostly adopted as a mode of drug delivery by dripping, wherein the continuous liquid dripping has the problems that the first dripping speed is slower, the subsequent dripping speed is too fast and the dripping speed cannot be controlled, and the overdose condition is probably caused; the separated dropper needs to extend into the bottle to suck the liquid medicine, then the dropper is taken out from the bottle to deliver the liquid medicine, the operation is complex, and the problem that a separation part is easy to lose exists.

Disclosure of Invention

Aiming at the problems in the prior art, the controllable dropping speed dropper and the dropping bottle can solve the problem that a separation part is easy to lose, and can enable a user to completely control the dropping speed, so that the controllable dropping speed dropper and the dropping bottle are simple and convenient to operate.

The main content of the invention comprises:

the dripper with controllable dripping speed is arranged on a bottle body and comprises a body, wherein the body is provided with an accommodating space for accommodating contents after inversion, a liquid outlet communicated with the accommodating space and external air and an extrusion mechanism for sending gas into the accommodating space; the extrusion mechanism is provided with a gas space which is surrounded by elastic self-recovery materials and used for containing gas, a gas transmission channel which compresses the gas space to enable the gas to flow into the containing space, and a gas inlet channel which enables external air to enter the gas space after the gas space is self-recovered.

Preferably, the pressing mechanism includes an operation portion made of an elastic self-restoring material and a check valve disposed above the check valve, and the gas space is formed above the check valve; the check valve comprises a valve seat and a valve body arranged on the valve seat, wherein the valve body comprises a valve port which is communicated in one direction and a valve body umbrella part which is deformed to open and close the air inlet channel.

Preferably, the valve seat comprises a valve seat main body part and a valve seat supporting part, wherein the valve seat supporting part is arranged around the valve seat main body part and is embedded with one end of the operating part; the center of the valve seat main body part is provided with a gas transmission hole; the valve seat main body part is provided with a plurality of air inlets which are communicated with the air space to form the air inlet channel; the valve port of the valve body is communicated with the gas transmission hole to form the gas transmission channel; the valve body umbrella part covers a plurality of air inlet holes and opens and closes the air inlet channel by means of self deformation.

Preferably, when the air inlet channel is closed, the edge of the valve body umbrella part is pressed on the upper surface of the valve seat supporting part; when the air inlet channel is opened, the valve body umbrella part deforms, an air inlet slit is formed between the valve body umbrella part and the upper surface of the valve seat supporting part, and the air inlet slit is communicated with a plurality of air inlet holes and air spaces.

Preferably, the center of the valve seat main body part is integrally formed with a mounting main body with a first center through hole, and the gas transmission hole is formed at one end of the first center through hole, which is far away from the valve seat main body part; the valve body is mounted in the first central through hole.

Preferably, the valve body comprises a valve body main body part with a second central through hole, the valve port is arranged at one end of the second central through hole far away from the valve body umbrella part, and the valve port is a duckbill valve port; the valve body portion is mounted within the first central through bore.

Preferably, the inner wall of the first central through hole is provided with a step structure, and the valve body main body part is provided with a structure matched with the step structure.

Preferably, the body comprises a top wall and at least one side wall, the side wall is adapted to the bottle mouth of the bottle body, and the top wall and the side wall enclose the accommodating space; the top wall is provided with the liquid outlet and a mounting hole for mounting the extrusion mechanism.

The invention also provides a dropping bottle, which comprises a bottle body, wherein the bottle mouth of the bottle body is provided with the dropping head.

Preferably, the dripper is embedded in the bottle mouth of the bottle body.

The invention has the beneficial effects that: the invention provides a controllable dropping head and a dropping bottle, after a bottle body is inverted, contents can be dropped by pressing an operation part, and the dropping speed of the contents can be controlled by controlling the pressing frequency, so that the operation is simple and convenient, and the problems of complicated operation and loss of separating the dropping head from the bottle body are avoided.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is an exploded view of the dripper of the present invention;

FIG. 3 is a cross-sectional view of a dripper according to the invention;

FIG. 4 is a cross-sectional view of an operating portion of the present invention;

fig. 5 is an enlarged view of the intake passage at a in fig. 4 in an opened state;

description of the drawings: 1-a body; 10-top wall; 100-accommodating space; 101-a liquid outlet; 102-mounting holes; 11-sidewalls; 12-a liquid outlet wall; 120-a liquid outlet channel; 2-an operation part; 200-gas space; 21-an operation body; 22-an operation installation section; 220-steps; 3-check valve; 31-a valve seat body portion; 300-gas transmission channel; 301-gas transmission holes; 310-an intake passage; 311-air inlet holes; 32-a valve seat support; 33-valve body umbrella; 330-an air intake slit; 34-a valve body portion; 340-valve port;

341-a second central through hole; 4-an outer cover; 35-a mounting body; 350-a first central through hole; 41-a drip port; 42-an operation port; 5-bottle body.

Detailed Description

The technical scheme protected by the invention is specifically described below with reference to the accompanying drawings.

Referring to fig. 1 to 5, the present invention provides a controllable dropping speed dropper and a dropper bottle using the same, wherein the dropper bottle includes a bottle body 5, and the bottle body 5 is used for accommodating contents, such as a liquid medicine, and may also be used for accommodating liquids such as cosmetic liquids or foods; the material of the bottle body 5 may be plastic or other materials such as glass; the bottle body 5 is provided with a bottle opening for enabling the content to flow out, the dripper is arranged on the bottle opening of the bottle body, further, the dripper can be fixedly integrated with the bottle opening, can be detachably arranged on the bottle opening, and can be embedded in the bottle opening, can be threaded or embedded outside the bottle opening, so that the junction of the dripper and the bottle opening is not leaked, and particularly when the bottle body 5 is inverted, the content cannot flow out from the junction of the dripper and the bottle opening.

Specifically, the dripper includes a body 1, the body 1 includes a top wall 10 and at least one side wall 11, that is, the body 1 is in a cylindrical or other cube structure, in this embodiment, the body 1 is in a cylindrical structure with an opening at one end, the opening is opposite to the bottle mouth of the bottle body 5, when the body 1 is installed on the bottle mouth, the content enters the body 1 from the opening of the body 1, the space enclosed by the top wall 10 and the side wall 11 is called a containing space 100, and when the bottle body 5 is inverted, the content enters the containing space 100 from the inside of the bottle body; a liquid outlet 101 for allowing the contents to drop out and a mounting hole 102 for mounting a pressing mechanism are provided on the top wall 10; after the content enters the accommodating space 100, the extrusion mechanism is pressed to extrude the air in the extrusion mechanism into the accommodating space, so that a certain pressure difference is formed between the inside and the outside of the bottle, and the liquid entering the accommodating space 100 is extruded from the liquid outlet 101 and cannot flow into the extrusion mechanism; when the extrusion force applied to the extrusion mechanism is released, the extrusion mechanism can be restored to an initial state, the pressure in the gas space is smaller than the outside of the bottle body, and external air enters the extrusion mechanism from the liquid outlet and the accommodating space and waits for being extruded next time.

Referring to fig. 2 to 5, the pressing mechanism includes an operation part 2 and a check valve 3, wherein the operation part 2 is used for accommodating a certain amount of air, and the air in the operation part 2 is conveyed into the accommodating space 100 by pressing the operation part 2 by a certain pressing force, so that the content in the accommodating space 100 is extruded; the check valve 3 is a one-way valve, which can allow air in the operation part 2 to enter the accommodating space 100, and prevent liquid in the accommodating space 100 from entering the operation part 2.

Specifically, the operation part 2 is made of an elastic self-restoring material, is disposed above the check valve 3, has a gas space 200 for containing a certain amount of air, and has an operation installation section 22 for being connected with the check valve 3, the gas space 200 for containing a certain amount of air is surrounded by an operation body 21 made of an elastic self-restoring material, and the operation body 21 is pressed to compress the gas space 200, so that the air therein enters the accommodating space 100 through the check valve 3, thereby increasing the pressure in the bottle, so that the content in the accommodating space 200 is pressed out. In one embodiment, the operation part 2 is an air bag, one end of the operation part is opened with one end connected with the check valve 3, a step 220 protruding inwards is arranged in the operation installation section 22, and the check valve 3 is clamped in the step 220, so that the check valve 3 and the check valve are embedded.

The check valve 3 includes a valve seat having a gas delivery passage 300 (such as the passage marked by the solid straight arrow in fig. 4) and a plurality of gas inlet passages 310 (such as the passage marked by the broken straight line in fig. 5) which are communicated with the gas space 200 and the accommodating space 100, and a valve body which is installed above the valve seat and can open and close the gas inlet passages 310 by means of self deformation, and the valve body is a duckbill type one-way valve which has the characteristics of forward conduction and reverse shutoff, i.e. the air in the gas space 200 can enter the accommodating space 100 through the valve body, and the contents and the air in the accommodating space 100 are blocked from entering the gas space 200 through the valve body.

Specifically, the valve seat is mounted in the mounting hole 102, the valve body is disposed on the valve seat, the valve seat includes a valve seat main body 31 and a valve seat supporting portion 32, the valve seat supporting portion 32 is enclosed around the valve seat main body 31 and is embedded with one end of the operation portion 2, in this embodiment, the valve seat supporting portion 32 is in a cylindrical structure, and is embedded in a step 220 of an inner wall of the operation mounting section 22, so as to realize connection between the valve seat and the operation portion 2; the valve seat main body 31 has a circular-plate-shaped structure, and has a gas transmission hole 301 formed in the center thereof, that is, air in the gas space 200 can pass through the valve body and then enter the accommodating space 100 through the gas transmission hole 301, and at the same time, external air can also enter the gas space 200 through the gas transmission hole 301 and the gas inlet channel 310 from the accommodating space 100; the valve seat main body 31 is arranged at the center of the valve seat supporting part 32, and is connected with the valve seat supporting part 32 through a plurality of elastic sheets, namely, the inner wall of the valve seat supporting part 32 extends inwards along the radial direction to be equivalent to a plurality of elastic sheets, and the other end of the elastic sheet is connected with the valve seat main body part 31; the openings between the adjacent elastic sheets are air inlet holes 311, if the valve seat main body 31 is understood as a wafer with a larger area, a plurality of air inlet holes 311 are formed on the valve seat main body 31 and are surrounded around the air delivery hole 301.

The valve body comprises a valve body umbrella part 33 and a valve body main body part 34; the valve body umbrella 33 can open and close the air inlet channel 310 by means of deformation thereof; when the external air enters through the air inlet hole 311, the valve body umbrella part 33 is deformed, and an air inlet slit 330 is formed between the edge of the valve body umbrella part and the upper surface of the valve seat main body part 31; the air inlet slit 330 communicates with the air inlet hole 311 to form the air inlet channel 310; one end of the valve body main body 34 is provided with a valve port 340, the valve port 340 is a duckbill valve port, and a gas transmission channel 300 is formed between the valve port 340 and the gas transmission hole 301.

Further, the valve seat body portion 31 includes a mounting body 35 having a first center through hole 350 integrally formed at the center of the valve seat body portion 31; the gas delivery hole 301 is formed at one end of the first central through hole 350 away from the valve seat main body 31; the valve body portion 34 is mounted within the first central throughbore 350. Preferably, the inner wall of the first central through hole 350 is provided with a step structure, and the valve body main body 34 has a structure adapted to the step structure, so that the valve body can be stably mounted on the valve seat, and the valve body umbrella 33 is tightly pressed on the upper surface of the valve seat main body 31.

Further, the valve body main body 34 has a second central through hole 341, and the valve port 340 is opened at an end of the second central through hole 341 away from the valve body umbrella 33; and the valve body portion 34 is mounted within the first central through bore 350.

Specifically, the valve body umbrella 33 has an annular horizontal wall, and in order to achieve guiding of the gas, a guiding surface inclined downward is provided at the edge of the annular horizontal wall, which increases the contact area between the gas in the gas space 200 and the umbrella-shaped mounting part 33 to a certain extent, and when the gas space 200 is pressed, the gas therein presses the annular horizontal wall with a certain force, so that the lower edge of the annular horizontal wall is more tightly pressed against the upper surface of the valve seat main body 31, thereby better closing the gas inlet slit 330; when the external air is introduced, the external air applies a certain pressure to the lower surface of the annular installation wall, so that the valve body umbrella 33 is deformed, thereby opening the air inlet passage 310, so that the external air can be introduced into the air space 200.

In other embodiments, a liquid outlet channel 120 is integrally formed above the top wall 10 of the main body 1, the liquid outlet channel 120 is surrounded by a liquid outlet wall 12, the liquid outlet wall 12 extends toward the top of the top wall 10, and the liquid outlet 101 is disposed at one end of the liquid outlet wall 12 away from the top wall 10, and the liquid outlet 101 is in communication with the liquid outlet channel 120.

When the bottle body integrated with the dropper is used for medicine administration, firstly, the bottle body 5 is inverted, so that the content enters the accommodating space 100, when the operation main body 21 of the operation part 2 is extruded, the air in the air space 200 is extruded to the check valve 3, at the moment, the air transmission channel 300 is opened, the air passes through the accommodating space of the air transmission channel 300, so that the pressure in the bottle is higher than that outside the bottle, and the content in the accommodating space 100 is extruded and drops out through the liquid outlet 101 after passing through the liquid outlet channel 120; when the pressure inside and outside the bottle is consistent after the content is dropped, the content is not squeezed out any more, and the squeezing force to the operation body 21 is released, the operation body 21 is restored to the original state due to its elastic restorable feature, at this time, the gas transmission channel 300 is closed, and the external air is opened through the gas inlet hole 311, so that the gas inlet channel 310 is opened, and the external air enters the gas space 200 through the gas inlet channel 310, and when the user presses the operation part 2 again, the content is dropped again; by controlling the frequency of pressing, the speed of the content can be controlled.

In other embodiments, the body housing is provided with an outer cover 4, a drop opening 41 and an operation opening 42 are formed on the outer cover 4, and the liquid outlet 101 is configured in the drop opening 41 or extends from the drop opening 41 to the outside of the outer cover 4; the operation unit 2 is disposed in the operation port 42.

The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.

Claims

1. The dripper with controllable dripping speed is arranged on a bottle body and is characterized by comprising a body, wherein the body is provided with an accommodating space for accommodating contents after inversion, a liquid outlet communicated with the accommodating space and external air and an extrusion mechanism for feeding gas into the accommodating space; the extrusion mechanism is provided with a gas space which is surrounded by an elastic self-recovery material and used for containing gas, a gas transmission channel which compresses the gas space to enable the gas to flow into the containing space, and a gas inlet channel which enables external air to enter the gas space after the gas space is self-recovered;

the squeezing mechanism comprises an operation part and a check valve, wherein the operation part is made of elastic self-recovery materials, is arranged above the check valve, and forms the gas space above the check valve; the check valve comprises a valve seat and a valve body arranged on the valve seat, wherein the valve body comprises a valve port which is communicated in one direction and a valve body umbrella part which is deformed by the valve body umbrella part to open and close the air inlet channel;

the valve seat comprises a valve seat main body part and a valve seat supporting part, and the valve seat supporting part is arranged around the valve seat main body part and is embedded with one end of the operating part; the center of the valve seat main body part is provided with a gas transmission hole; the valve seat main body part is provided with a plurality of air inlets which are communicated with the air space to form the air inlet channel; the valve port of the valve body is communicated with the gas transmission hole to form the gas transmission channel; the valve body umbrella part covers a plurality of air inlet holes and opens and closes the air inlet channel by means of deformation of the valve body umbrella part; the valve body umbrella part is provided with an annular horizontal wall, and the edge of the annular horizontal wall is provided with a downward inclined guide surface;

when the air inlet channel is closed, the edge of the valve body umbrella part is pressed on the upper surface of the valve seat supporting part; when the air inlet channel is opened, the valve body umbrella part deforms, an air inlet slit is formed between the valve body umbrella part and the upper surface of the valve seat supporting part, and the air inlet slit is communicated with a plurality of air inlet holes and air spaces;

the valve seat main body part is integrally formed with a mounting main body with a first central through hole, and the gas transmission hole is formed at one end of the first central through hole, which is far away from the valve seat main body part; the valve body is arranged in the first central through hole;

the valve body comprises a valve body main body part with a second central through hole, the valve port is arranged at one end of the second central through hole, which is far away from the valve body umbrella part, and the valve port is a duckbill valve port; the valve body portion is mounted within the first central through bore.

2. The controllable drip emitter of claim 1, wherein said first central through hole inner wall is provided with a stepped structure, said valve body portion having a structure adapted to said stepped structure.

3. A controllable drip emitter according to any one of claims 1 to 2, wherein said body comprises a top wall and at least one side wall, said side wall being adapted to fit the mouth of a bottle, said top wall and said side wall enclosing said receiving space; the top wall is provided with the liquid outlet and a mounting hole for mounting the extrusion mechanism.

4. A dropper bottle comprising a bottle body, wherein the mouth of the bottle body is provided with a dropper as claimed in any one of claims 1 to 3.

5. A dropper bottle as claimed in claim 4, wherein the dropper is snap-fitted into the mouth of the bottle.