CN209751696U - air return device for feeding bottle - Google Patents

Abstract

The utility model relates to a feeding bottle air return device, including fixed spiral cover, installation nipple and return-air subassembly in the fixed spiral cover, nipple upper portion is for inhaling and allows the portion, should inhale and be equipped with the liquid flow export in allowing the portion, and the nipple lower part is equipped with the round mounting groove, be equipped with the arch on the fixed spiral cover, this arch inserts in the mounting groove, the return-air subassembly includes return-air upper cover, return-air lower cover and breather pipe, cover on the return-air and be equipped with liquid pipe, this liquid pipe inserts and makes return-air upper cover and return-air lower cover combine together in the return-air lower cover, and forms the communicating return-air groove with the outside air between the two, return-air lower cover bottom is equipped with the check valve, the check valve outside is located to the breather pipe cover and with return-air lower cover sealing connection, return-air groove, check valve and breather pipe communicate in proper order and form one-way air. The utility model discloses both be equipped with logical liquid passageway and be equipped with the return-air passageway on the return-air subassembly, consequently compact structure just can guarantee the effect of return-air.

Description

Air return device for feeding bottle

Technical Field

The utility model relates to an air return device, concretely relates to feeding bottle air return device.

Background

when the liquid in the feeding bottle is sucked by the baby through the nipple, along with the reduction of the liquid in the bottle, the air pressure in the feeding bottle is smaller than the air pressure outside the bottle, and the phenomenon of vacuum in the bottle can occur, so that the sucking difficulty is increased. When a baby sucks liquid through the nipple, the pressure difference between the inside and the outside of the feeding bottle is caused, and the nipple is loosened after the baby sucks the liquid for a period of time, so that the external air enters the bottle through the nipple to be sucked continuously, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides a feeding bottle air return device, in the feeding bottle use, utilize this air return device can make inside the outside air gets into the bottle to guarantee that the inside and outside pressure of bottle is equal.

The utility model discloses a solve the technical scheme that its technical problem adopted and be:

The utility model provides a feeding bottle air return device, includes fixed spiral cover, installation nipple and return-air subassembly in the fixed spiral cover, nipple upper portion is for inhaling and allows the portion, should inhale and be equipped with the liquid flow export in allowing the portion, and the nipple lower part is equipped with the round mounting groove, be equipped with the arch on the fixed spiral cover, this arch inserts in the mounting groove, the return-air subassembly includes return-air upper cover, return-air lower cover and breather pipe, cover on the return-air and be equipped with liquid pipe, this liquid pipe inserts and makes return-air upper cover and return-air lower cover combine together in the return-air lower cover, and forms the communicating return-air groove with the outside air between the two, return-air lower cover bottom is equipped with the check valve, the check valve outside is located to the breather pipe cover and with return-air lower cover sealing connection, return-air groove, check valve and breather pipe communicate in proper order and form one.

Preferably, the return-air upper cover is disc-shaped structure, and it includes the dish end and connects in the circular lateral wall all around of the dish end, the dish end is equipped with along its diameter bilateral symmetry's two liquid pipe that lead to, leads to the liquid pipe and extends towards return-air upper cover below.

preferably, the lower end of the side wall of the air return upper cover is fixedly connected with the plate bottom, and the upper end of the side wall extends outwards along the radial direction to form a boss which is tightly matched with the nipple.

Preferably, the air return lower cover is provided with two through grooves corresponding to the liquid through pipe, the liquid through pipe is inserted in the through grooves tightly, the air return lower cover between the two through grooves is provided with an air return groove, and the air return groove penetrates through the whole air return lower cover along the diameter of the air return lower cover.

preferably, the air return lower cover is circular, a convex column extending downwards is arranged at the center of the air return lower cover, the tail end of the convex column contracts inwards in the radial direction to form a one-way valve, a vent hole is formed in the convex column, the upper end of the vent hole is communicated with the air return groove, the lower end of the vent hole is communicated with the one-way valve, and the vent pipe is sleeved on the outer side of the convex column.

Preferably, the outer side of the convex column is provided with an external thread, and the inner side of the upper end of the vent pipe is provided with an internal thread screwed with the external thread.

preferably, the through groove and the liquid through pipe are in the same shape, and one end of the liquid through pipe, which penetrates out of the through groove, forms a convex edge radially outwards along the end, which helps the liquid through pipe to be tightly matched with the through groove.

Preferably, the bottle body is in threaded connection with the fixed screw cap, the flow direction of the one-way valve is the direction in which air flows from the nipple side to the interior of the bottle body, and the one-way valve is in a straight-line-shaped notch.

Preferably, the vent pipe extends to the bottom of the bottle body, the diameter of the upper part of the vent pipe is larger than that of the lower part of the vent pipe, and the tail end of the lower part of the vent pipe is inclined.

The utility model has the advantages that: the utility model discloses a feeding type feeding bottle mainly includes nipple, fixed spiral cover and return-air subassembly, nipple and return-air unit mount are in fixed spiral cover, the return-air subassembly includes return-air upper cover, return-air lower cover and breather pipe, the logical inslot that the logical liquid pipe that covers inserts the return-air lower cover on the return-air, and with both fixed connection, the return-air groove upper portion that covers under the return-air is sealed at the end of a plate of return-air upper cover simultaneously, outside air admits air through the side in return-air groove, return-air lower cover lower extreme is equipped with the check valve, and the breather pipe is connected to the lower extreme, the check valve is located the inside of breather pipe, after air gets into from return-air groove side, the rethread check valve gets into in the breather pipe, and then get into the bottom of bottle, make the internal and external pressure of bottle equal, the infant of being convenient for. The utility model discloses both being equipped with logical liquid passageway on the subassembly of returning the air, liquid gets into the baby's oral cavity through leading to liquid pipe and nipple in the bottle, is equipped with the return-air passageway again, and external gas gets into bottom of the bottle through return-air groove, check valve, breather pipe, leads to liquid passageway and return-air passageway mutually independent again simultaneously, therefore compact structure just can guarantee the effect of returning the air.

Drawings

fig. 1 is a schematic structural view of the present invention;

Fig. 2 is a perspective view of the present invention;

FIG. 3 is a schematic structural view of the middle air return assembly of the present invention;

Fig. 4 is a schematic structural view of another view angle of the air return assembly of the present invention;

Fig. 5 is a perspective view of the middle air return assembly of the present invention;

FIG. 6 is a schematic structural view of the upper cover of the air return device of the present invention;

Fig. 7 is a schematic structural view of the middle air return lower cover of the present invention;

FIG. 8 is a schematic structural view of the middle vent pipe of the present invention;

In the figure: 10-nipple, 11-liquid outlet, 12-mounting groove, 20-fixed screw cap, 21-bulge, 30-air return upper cap, 31-liquid through pipe, 32-boss, 40-air return lower cap, 41-air return groove, 42-one-way valve, 43-through groove, 44-convex column and 50-air through pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): as shown in fig. 1-8, a feeding bottle air returning device comprises a fixed screw cap 20, a nipple 10 and an air returning component are arranged in the fixed screw cap 20, the upper part of the nipple 10 is a sucking part, the sucking part is provided with a liquid outlet 11, the lower part of the nipple is provided with a circle of mounting groove 12, the fixed rotary cover 20 is provided with a bulge 21, the bulge 21 is inserted into the mounting groove 12, the air return assembly comprises an air return upper cover 30, an air return lower cover 40 and a vent pipe 50, a liquid through pipe 31 is arranged on the air return upper cover 30, the liquid pipe 31 is inserted into the air-return lower cover to combine the air-return upper cover and the air-return lower cover, and an air-return groove 41 communicated with the outside air is formed between the two, the bottom of the air return lower cover 40 is provided with a one-way valve 42, the vent pipe 50 is sleeved outside the one-way valve 42 and is connected with the air return lower cover in a sealing way, the air return groove 41, the one-way valve 42 and the vent pipe 50 are communicated in sequence to form a one-way air passing channel. The utility model relates to a feeding type feeding bottle, which mainly comprises a nipple 10, a fixed screw cap 20 and an air return component, wherein the nipple and the air return component are arranged in the fixed screw cap, the lower end of the fixed screw cap is fixed with the bottle body by screw thread, liquid drinks such as milk powder are filled in the bottle body, the air return component comprises an air return upper cap 30, an air return lower cap 40 and a vent pipe 50, a liquid through pipe 31 arranged on the air return upper cap is inserted into a through groove 43 of the air return lower cap and is fixedly connected with the air return lower cap, meanwhile, the disc bottom of the air return upper cap seals the upper part of an air return groove 41 arranged on the air return lower cap, external air is admitted through the side surface of the air return groove, the lower end of the air return lower cap 40 is provided with a one-way valve 42, the lower end is connected with the vent pipe 50, the one-way valve is positioned in the interior of the vent pipe 50, when the air enters from the side surface of the air return groove, is convenient for infants to inhale.

As shown in fig. 6, the upper air-return cover 30 is a disc-shaped structure, and includes a tray bottom and a circumferential circular sidewall connected to the tray bottom, the tray bottom is provided with two liquid-passing tubes 31 which are bilaterally symmetric along the diameter of the tray bottom, and the liquid-passing tubes extend toward the lower side of the upper air-return cover 30. The peripheral side wall is positioned above the tray bottom, the liquid through pipe is positioned below the tray bottom, the tray bottom corresponding to the liquid through pipe is hollow, therefore, liquid in the bottle body flows into the nipple through the liquid through pipe and then enters the oral cavity of a baby, and the tray bottom between the two liquid through pipes 31 is used for sealing the upper side of the air return groove 41 on the air return lower cover, so that outside air can only enter air through gaps (namely two ends of the air return groove) on the side edge of the air return lower cover. The lower end of the side wall of the air return upper cover 30 is fixedly connected with the plate bottom, the upper end of the side wall extends outwards along the radial direction to form a boss 32, and the boss 32 is tightly matched with the nipple 10. The boss 32 can effectively prevent the nipple from being displaced and deformed due to the rotation between the fixed screw cap 20 and the bottle body, so that the sealing failure of the feeding bottle is caused; meanwhile, the contact area between the lug boss 32 and the nipple is increased, so that the nipple is more favorably clamped, the nipple is prevented from falling off, and the normal use of the feeding bottle is ensured.

as shown in fig. 7 and 8, the air-return lower cover 40 is provided with two through grooves 43 corresponding to the liquid-passing pipe 31, the liquid-passing pipe 31 is tightly inserted into the through grooves, the air-return lower cover 40 between the two through grooves 43 is provided with an air-return groove 41, and the air-return groove 41 penetrates through the whole air-return lower cover 40 along the diameter of the air-return lower cover. The air return lower cover 40 is circular, a convex column 44 extending downwards is arranged at the center of the air return lower cover, the tail end of the convex column is radially and inwardly contracted to form a one-way valve, a vent hole is formed inside the convex column 44, the upper end of the vent hole is communicated with the air return groove 41, the lower end of the vent hole is communicated with the one-way valve 42, and the vent pipe 50 is sleeved outside the convex column 44. The outer side of the convex column 44 is provided with an external thread, and the inner side of the upper end of the vent pipe 50 is provided with an internal thread screwed with the external thread. The circular air return lower cover 40 is solid along the central part of the diameter thereof, hollow through grooves 43 are symmetrically arranged at two sides of the solid part, the air return groove 41 is a shallow groove arranged along the solid part, the cross section of the air return groove 41 can be in the shape of a semicircle, a triangle or a square, etc., a circular through hole is arranged at the center of the air return groove, namely the circle center part of the air return lower cover, the diameter of the circular through hole is larger than the width of the opening at the upper end of the air return groove, a hollow convex column 44 is arranged at the lower end of the circular through hole, the upper end of the convex column is a cylinder, the lower end of the convex column is a wedge shape, the one-way valve is a straight notch positioned at the tail end of the wedge shape, and the width of the one-way valve is smaller than the diameter of the cylinder at the upper end of the convex column, therefore, after the vent pipe 50 is screwed with the upper end; but also can store a part of liquid flowing into the vent pipe when the feeding bottle is overturned, and avoid the liquid from generating pressure on the one-way valve to cause unsmooth ventilation. The through groove 43 has the same shape as the liquid through pipe 31, and one end of the liquid through pipe 31, which penetrates through the through groove 43, forms a convex edge radially outwards along the end, which helps the liquid through pipe to be tightly matched with the through groove.

When the disposable nursing bottle is used, a bottle body for storing liquid is further screwed below the fixed screw cap 20, the circulation direction of the one-way valve 42 is the direction in which air flows from the nipple side to the inside of the bottle body, and the one-way valve 42 is in a linear notch. The vent pipe 50 extends to the bottom of the bottle body, the diameter of the upper part of the vent pipe is larger than that of the lower part, and the tail end of the lower part of the vent pipe is inclined. The tail end of the vent pipe 50 is close to the bottom of the feeding bottle, and the tail end is inclined to ensure that air can still be introduced even if the vent pipe is in contact with the bottom of the feeding bottle, as the diameter of the upper part of the vent pipe 50 is large, after the vent pipe is connected with the convex column of the air return lower cover, an air collection chamber is formed at the joint, large pressure fluctuation generated inside the bottle body when the infant sucks too much liquid is avoided, meanwhile, part of liquid flowing into the vent pipe when the feeding bottle is overturned can be stored, and the situation that the ventilation is unsmooth due to the fact that the liquid generates pressure on.

The utility model discloses an operation process: when the feeding bottle is turned upside down or inclined at a certain angle, liquid in the bottle body is sucked out by the infant through the liquid through pipe 31 and the nipple 10, the pressure in the bottle body is lower than the external atmospheric pressure along with the continuous suction of the liquid in the bottle body, and at the moment, external gas enters the bottom of the feeding bottle through the gas return groove 41, the one-way valve 42 and the vent pipe 50, so that the air cannot enter the liquid, the air pressure inside and outside the bottle is balanced, the liquid can smoothly flow out, meanwhile, the infant cannot suck the air, and the normal use of the feeding bottle is ensured.

It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (9)

1. A feeding bottle air return device which is characterized in that: including fixed spiral cover (20), installation nipple (10) and return-air subassembly in fixed spiral cover (20), nipple (10) upper portion is for inhaling and allows the portion, should inhale and be equipped with liquid flow export (11) in allowing the portion, and the nipple lower part is equipped with round mounting groove (12), be equipped with arch (21) on fixed spiral cover (20), this arch (21) insert in mounting groove (12), return-air subassembly includes return-air upper cover (30), return-air lower cover (40) and breather pipe (50), be equipped with on return-air upper cover (30) and lead to liquid pipe (31), this lead to liquid pipe (31) insert in the return-air lower cover and make return-air upper cover and return-air lower cover combine together, and form communicating return-air groove (41) with outside air between the two, return-air lower cover (40) bottom is equipped with check valve (42), breather pipe (50) cover in the check valve (42) outside and with return-air lower cover sealing connection, the air return groove (41), the one-way valve (42) and the vent pipe (50) are communicated in sequence to form a one-way air passing channel.

2. The baby bottle air return apparatus according to claim 1, wherein: return-air upper cover (30) are discoid structure, and it includes the dish end and connects in the circular lateral wall all around of the dish end, the dish end is equipped with two liquid pipe (31) of leading to along its diameter bilateral symmetry, leads to the liquid pipe and extends towards return-air upper cover (30) below.

3. The baby bottle air return apparatus according to claim 2, wherein: the lower end of the side wall of the air return upper cover (30) is fixedly connected with the tray bottom, the upper end of the side wall extends outwards along the radial direction to form a boss (32), and the boss (32) is tightly matched with the nipple (10).

4. The baby bottle air return apparatus according to claim 2, wherein: be equipped with on return air lower cover (40) with lead to two logical groove (43) that liquid pipe (31) is corresponding, lead to liquid pipe (31) and insert tightly in leading to the inslot, be equipped with return air groove (41) on return air lower cover (40) between two logical groove (43), return air groove (41) run through whole return air lower cover (40) along the diameter of return air lower cover.

5. The baby bottle air return apparatus according to claim 4, wherein: the air return lower cover (40) is circular, a convex column (44) extending downwards is arranged at the center of the air return lower cover, the tail end of the convex column is radially and inwardly contracted to form a one-way valve (42), a vent hole is formed in the convex column (44), the upper end of the vent hole is communicated with the air return groove (41), the lower end of the vent hole is communicated with the one-way valve (42), and the vent pipe (50) is sleeved on the outer side of the convex column (44).

6. The baby bottle air return apparatus according to claim 5, wherein: the outer side of the convex column (44) is provided with an external thread, and the inner side of the upper end of the vent pipe (50) is provided with an internal thread which is in threaded connection with the external thread.

7. The baby bottle air return apparatus according to claim 4, wherein: the through groove (43) and the liquid through pipe (31) are in the same shape, and one end of the liquid through pipe (31) penetrating through the through groove (43) forms a convex edge outwards along the radial direction of the end, and the convex edge is helpful for the liquid through pipe to be tightly matched with the through groove.

8. The baby bottle air return apparatus according to claim 1, wherein: the bottle also comprises a bottle body which is in threaded connection with the fixed screw cap (20), the circulation direction of the one-way valve (42) is the direction of air flowing from the nipple side to the interior of the bottle body, and the one-way valve (42) is in a straight-line-shaped notch.

9. The baby bottle air return apparatus according to claim 8, wherein: the vent pipe (50) extends to the bottom of the bottle body, the diameter of the upper part of the vent pipe is larger than that of the lower part of the vent pipe, and the tail end of the lower part of the vent pipe is inclined.