TWI403342B - Fluid dispensing device - Google Patents

Abstract

A fluid dispensing device includes a pressurizing device coupled between a fluid bottle and a discharge tube for forcing the fluid to flow through the discharge tube without gravity, the pressurizing device includes a container having an inclined inner peripheral surface, and a piston slidably received in the container and having an outer peripheral portion for selectively engaging with the inclined inner peripheral surface of the container in order to pump the fluid into the discharge tube when the piston is moved toward the discharge tube with a coil, and for being selectively disengaged from the inner peripheral surface of the container when the piston is moved away from the discharge tube.

Description

Drop bottle automatic push device

The present invention relates to a drip bottle, and in particular to an automatic push device for a drip bottle.

According to the fact that there are quite a lot of drop bottles currently in use on the market, most of them will contain a bottle or container erected or hung on a hanger, and must be placed above the height of the user to make the bottle or container The liquid inside flows into the human body, so the user is quite inconvenient to use, and it must be carried along with the hanger to move around.

Thus, the present invention has developed a motor pumping assembly to pump the liquid in the bottle or container so that the bottle or container does not need to be erected or hung or placed at a height above the user to bring the liquid inside the bottle or container. The pump is sent to the inside of the human body, so the user does not need to carry the hanging rack to walk around, which is quite convenient.

However, the current pumping motor speed is quite high, so it still can not meet the low speed and high torque or pump pressure demanded by us, and the pumping motor is very expensive to manufacture and does not meet the market demand.

In view of this, the inventors have actively developed research and can invent an automatic drip bottle feeding device which can provide low rotation speed and high torque or pump pressure.

An object of the present invention is to provide a drip bottle automatic pushing device which comprises an electromagnetic pumping assembly for pumping out the liquid in the bottle so that the bottle does not need to be erected or hung or set at a height higher than the user. The liquid in the bottle can be pumped into the human body, so the user does not need to carry the hanger to move around.

Another object of the present invention is to provide a drip bottle automatic pushing device which has a reduced or simplified structure so that the pushing device can be more easily manufactured and assembled.

According to the present invention, an automatic drip bottle feeding device includes a bottle for accommodating a medicine or a liquid, a delivery tube, and a pumping device disposed between the bottle and the delivery tube so that the bottle does not need to be erected or hanged or The liquid inside the bottle can be pumped into the human body without being applied to gravity without being applied to the height of the user; wherein the container has a slanted inner side surface, and a piston system is slidably disposed inside the container, and the outer circumference thereof The rim is adapted to engage the inclined inner side of the container, wherein the outer periphery of the piston is adapted to contact the inclined inner side of the container so that the drug or liquid can be pumped or forced to flow in the direction of the delivery tube and the liquid inside the bottle can be Pumping out, wherein when the outer circumference of the piston is disengaged from the inclined inner side of the container, it forms a gap between the outer circumference of the piston and the inclined inner side of the container, and allows the drug or liquid to flow through the piston a gap between the outer periphery and the inclined inner side of the container flows into the pin portion of the container, and a coil is mounted to the container for driving the living Reciprocally moving within the container.

The pumping device includes at least one magnet disposed within the piston for interaction with the coil. It may further comprise at least one battery coupled to the coil.

The invention relates to an automatic push device for a drip bottle. Referring to the first figure, the automatic push device (1) of the drip bottle mainly comprises a container or a bottle (10) for accommodating a medicine or a liquid, and a delivery tube. (20) one end has a pin (21) for coupling to the bottle (10), and the other end has an injection needle (22) for penetrating into the user's epidermis or dermis layer, and can be used for injecting drugs or liquids. Go inside the human body. A pressure control valve (23) is disposed in or between the delivery tubes (20) and can be used to control the flow rate or flow rate of the drug or liquid injected into the user's body. A flow inspection device (24) may be further disposed in the middle or in the middle of the delivery tube (20) or near the pin (21) for observing the injection of the drug or liquid into the user's body. An air pressure relief valve (25) can be further disposed in the middle of the delivery pipe (20) or in the vicinity of the injection needle (22) for exhausting, and can prevent the gas from being injected into the user's human body. .

A pumping device (30) is disposed between the bottle (10) and the delivery tube (20) for pumping the liquid inside the bottle (10) so that the bottle (10) does not need to be erected or hanged Or the liquid in the bottle (10) can be pumped to the human body at a height higher than the user, so the user does not need to carry the hanger to move around. The pumping device (30) comprises a container (31) having a lid (32) disposed at one end or top end (33), which is provided with a pin (34) for insertion into the neck (11) of the bottle (10) Instead, a drug or liquid from the bottle (10) can be received. The other end (36) of the container (31) has a resilient plug (35) for sealing the other end (36) of the container (31). The pin (21) is adapted to insert the resilient plug (35) so that the drug or liquid can flow from the container (31) into the delivery tube (20). The container (31) has a chamber (37) inside and has a sloping annular inner side (38).

A piston (40) is slidably disposed within the chamber (37) of the container (31) and is movable up and down within the chamber (37) of the container (31), which is made of a soft or elastic material. The outer periphery (41) is adapted to contact an inclined inner side (38) of the container (31), and wherein the inclined inner side (38) of the container (31) is from one end of the container (31) (33) Or the intermediate portion (39) is pushed or tilted toward the intermediate portion (39) or the other end (36) of the container (31), and has a tapered shape. The outer diameter of the piston (40) is greater than the inner diameter of the inclined inner side (38) of the container (31) at the inner portion (39) or the other end (36), such that when the piston (40) When moving toward the other end (36) of the container (31) or the resilient plug (35) or moving away from the cover (32), it can pump or force the drug or liquid toward the delivery tube (20) flow.

When the piston (40) moves toward the end (33) of the container (31) or moves away from the elastic plug (35) or moves toward the cover (32), the outer circumference of the piston (40) (41) ) will detach from the inclined inner side (38) of the container (31) and cannot be used to pump or force the flow of drug or liquid in the direction of the delivery tube (20), at which point the drug or liquid can flow through the piston (40). a gap between the outer periphery (41) of the container and the inclined inner side surface (38) of the container (31) flows into the other end (36) of the container (31) or the elastic plug (35) so that the piston (40) when moving next to the other end (36) of the container (31) or the resilient plug (35) or moving away from the cover (32), it can be used to pump or force the drug or liquid to be transported. The direction of the tube (20) flows. One or more magnets (42) may be provided inside the piston (40).

The pumping device (30) further includes a drive device (5) for driving the piston (40) such that the piston (40) can automatically deliver the drug or liquid by movement relative to the container (31) or pump pressure Inject into the user's body. The driving device (5) comprises a coil (50) mounted or mounted at the outer periphery or intermediate portion (39) of the container (31), in particular at the outer side of the piston (40) for driving the piston (40) Relative to the container (31) moving up and down, it may further comprise a housing (51) disposed on one side of the container (31) for accommodating a circuit board (52) and one or more batteries (53) coupled To the coil (50) can be used to supply the required power or power. The circuit board (52) or the coil (50) can maintain the moving speed of the piston (40) at an appropriate speed, and can meet the low speed and high torque or pump pressure required by us, and can be used. The piston (40) is driven such that the piston (40) can automatically inject a drug or liquid into the body of the user.

When operating, please refer to the first figure, the user can activate the coil (50) to drive the piston (40), so that when the piston (40) is moved toward the elastic plug (35) or away from the cover (32) When moving in the direction, it can inject the drug or liquid into the user's body via the injection needle (22). Conversely, when the piston (40) moves away from the elastic plug (35) or moves toward the cover (32), the outer circumference (41) of the piston (40) will leave the inclined interior of the container (31). The side surface (38) forms a gap between the outer periphery (41) of the piston (40) and the inclined inner side surface (38) of the container (31), and allows the drug or liquid to flow through the periphery of the piston (40). a gap between the rim (41) and the inclined annular inner side surface (38) of the container (31) flows into the other end (36) of the container (31) or the elastic plug (35) so that the piston 40) when moving next to the other end (36) of the container (31) or the resilient plug (35) or moving away from the cover (32), it can be used to pump or force the drug or liquid to the delivery tube. The direction of (20) flows. In this way, the bottle does not need to be erected or hung or set at a height higher than the user to pump the liquid inside the bottle to the human body, so the user does not need to carry the hanger to walk around. .

The coil (50) can be controlled by an element such as a switch, and it can also be provided with, for example, a central control unit or mechanism to control the velocity or flow rate or injection time of the drug or liquid injected into the user's human body. However, these control units or organizations are not related to the present case, so they are not described here. However, whether or not the control unit or mechanism is provided will belong to the scope of the present invention, and should be protected by intellectual property rights.

It should also be noted that the driving device (5) is only one of the embodiments, so that the drug or liquid can be automatically driven as long as the piston (40) can be moved relative to the container (31) by means of the space driving method. Other driving devices or structures or devices that are injected into the user's body will also fall within the scope of the present invention and should be protected by intellectual property rights.

(10). . . bottle

(11). . . neck

(20). . . Duct

(21,34). . . Pin

(twenty two). . . Injection needle

(twenty three). . . Pressure control valve

(twenty four). . . Flow inspection device

(25). . . Air pressure relief valve

(30). . . Pumping device

(31). . . container

(32). . . cover

(33). . . One end of the container

(35). . . Flexible plug

(36). . . The other end of the container

(37). . . Room

(38). . . Inclined inner surface of the container

(39). . . Intermediate part

(40). . . piston

(41). . . The outer circumference of the piston

(42). . . magnet

(5). . . Drive device

(50). . . Coil

(51). . . case

(52). . . Circuit board

(53). . . battery

The first figure is a partial cross-sectional view of an automatic push device for a drop bottle.

Brief description of the figure number

(10). . . bottle

(11). . . neck

(20). . . Duct

(21,34). . . Pin

(twenty two). . . Injection needle

(twenty three). . . Pressure control valve

(twenty four). . . Flow inspection device

(25). . . Air pressure relief valve

(30). . . Pumping device

(31). . . container

(32). . . cover

(33). . . One end of the container

(35). . . Flexible plug

(36). . . The other end of the container

(37). . . Room

(38). . . Inclined inner surface of the container

(39). . . Intermediate part

(40). . . piston

(41). . . The outer circumference of the piston

(42). . . magnet

(5). . . Drive device

(50). . . Coil

(51). . . case

(52). . . Circuit board

(53). . . battery

Claims (1)

A drip bottle automatic pushing device comprises: a bottle (10) for accommodating a medicine or a liquid, a delivery tube (20), and a pumping device (30) disposed between the bottle (10) and the delivery tube (20), For pumping the liquid in the bottle (10) so that the bottle (10) does not need to be erected or hanged or placed above the user's height to pump the liquid in the bottle (10) to the human body. There is no need to apply gravity, so the user does not need to carry around with a hanger to move around. The pumping device (30) includes a container (31) disposed on the bottle (10) and the delivery tube (20). Between the container (31) has a sloping inner side (38), a piston (40) is slidably disposed inside the container (31), and its outer periphery (41) is available for the embedded container (31) The inner side (38) is inclined, wherein the outer periphery (41) of the piston (40) is adapted to contact the inclined inner side (38) of the container (31) so as to pump or force a drug or liquid to the delivery tube (20) Flowing in the direction to pump the liquid inside the bottle (10), wherein when the outer circumference (41) of the piston (40) is disengaged from the inclined inner side (38) of the container (31), A gap may be formed between the outer periphery (41) of the piston (40) and the inclined inner side (38) of the container (31), and the drug or liquid may flow through the outer periphery (41) of the piston (40) and a gap between the inclined inner sides (38) of the container (31) flows into a portion of the container (31) that is adjacent to the pin (21), and the pumping device (30) includes at least one magnet (42) disposed at Inside the piston (40), a coil (50) is mounted to the container (31) for interaction with the magnet (42) for driving the piston (40) to reciprocate within the container (31), and at least one battery (53) ) is coupled to the coil (50).