CN212369304U - Nursing accessory and nursing subassembly - Google Patents

Abstract

The utility model discloses a nursing accessory and subassembly of suckleing, wherein, the nursing accessory includes the nipple cap, the nipple head, conveyer pipe and shutoff piece, the nipple cap is the bowl form of back-off, the nipple head sets up the center at the extrados of nipple cap, the one end setting of conveyer pipe is at the center of the intrados of nipple cap and with the cavity intercommunication of nipple head, the other end is connected with the shutoff piece, run through the drain through-hole of seting up with the conveyer pipe intercommunication along its thickness direction on the shutoff piece, the shutoff piece is used for pegging graft with the uncovered of bottle, at least the nipple cap, nipple head and shutoff piece adopt silica gel to make. Through setting up this accessory of suckleing, its shutoff piece is pegged graft in the uncovered back of bottle, just can realize suckleing, and the accessory of suckleing can cooperate any bottle that has an open mouth, like the body or the silica gel breast pump of feeding bottle, and application scope is wide, especially the accessory of suckleing cooperates the back with the silica gel breast pump, need not to pour the milk in the silica gel breast pump into other containers and also can realize suckleing, and it is very convenient to operate.

Description

Nursing accessory and nursing subassembly

Technical Field

The utility model relates to a maternal and infant articles for use technical field especially relates to a nursing accessory and subassembly of suckleing.

Background

When nursing women are breastfeeding, the breast on the side where the women do not feed may leak milk, and in order to prevent the milk from being wasted, a silica gel breast pump can be used for receiving and sucking the milk. When the child needs to eat more milk, the milk in the silica gel breast pump can be poured into other containers such as a feeding bottle for secondary feeding. In addition, women with partial depressed nipples cannot directly breast feed, and usually adopt a silica gel breast pump to suck out milk, and then pour the milk in the silica gel breast pump into other containers such as a feeding bottle for feeding.

Therefore, the existing silica gel breast pump only has a single function of sucking and receiving milk, when feeding is needed, the milk in the silica gel breast pump can be fed only by pouring the milk into the milk bottle, the operation is complex, and more parts are needed.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an aim at: the nursing accessory is simple in structure, can be matched with an open bottle body (such as a bottle body of a nursing bottle or a silica gel breast pump) to realize nursing, and is wide in application range.

The embodiment of the utility model provides a another aim at: a breastfeeding assembly is provided that can achieve three functions, breastfeeding, and milk storage.

To achieve the purpose, the embodiment of the present invention adopts the following technical solutions:

according to the first aspect, the feeding accessory comprises a nipple cap, a nipple head, a conveying pipe and a sealing piece, wherein the nipple cap is in an inverted bowl shape, the nipple head is arranged at the center of an outer arc surface of the nipple cap, a cavity is formed in the nipple head, one end of the conveying pipe is arranged at the center of an inner arc surface of the nipple cap and is communicated with the cavity of the nipple head, the other end of the conveying pipe is connected with the sealing piece, a liquid guide through hole is formed in the sealing piece in a penetrating mode along the thickness direction of the sealing piece, the liquid guide through hole is communicated with the conveying pipe, the sealing piece is used for being connected with an opening of a bottle body in an inserting mode, and at least the nipple cap, the nipple head and the sealing piece are made of silica gel.

As a preferable scheme of the nursing accessory, the nipple cap, the nipple head, the delivery pipe and the blocking piece are integrally manufactured and molded by silica gel.

As a preferred scheme of the nursing accessory, the periphery wall of the blocking piece is at least annularly provided with two sealing rings, at least two sealing rings are arranged at intervals along the thickness direction of the blocking piece, and a groove surrounding the periphery wall of the blocking piece is formed between every two adjacent sealing rings.

As a preferred scheme of nursing accessory, the shutoff piece has relative first side and the second side that sets up, the both ends of leading liquid through-hole extend to respectively first side with the second side, the conveyer pipe is kept away from the one end of nipple cap first side is connected, the second side sets up a guiding gutter at least, first guiding gutter is followed the radial extension of shutoff piece, the one end intercommunication of first guiding gutter the periphery wall of shutoff piece, the other end with lead liquid through-hole intercommunication.

As a preferable mode of the nursing accessory, the groove bottom of the first diversion groove is inclined from one end connected with the outer peripheral wall of the blocking piece to one end connected with the liquid guide through hole toward the inside of the blocking piece.

As a preferable scheme of the nursing accessory, the second side surface is annularly provided with at least three first diversion grooves.

As a preferable scheme of the nursing accessory, the blocking piece is provided with a vent hole in the thickness direction, a one-way valve is arranged in the vent hole, the blocking piece is provided with a first side surface and a second side surface which are positioned at two ends in the thickness direction, and the one-way valve can only convey gas from the first side surface to the second side surface.

As a preferable mode of the nursing accessory, the peripheral wall of the blocking piece is provided with two sealing rings, and the two sealing rings are respectively arranged at two ends of the blocking piece in the thickness direction.

As a preferable scheme of the nursing accessory, at least one vent hole is arranged on the nipple cap.

As a preferable scheme of the nursing accessory, the exhaust hole is inclined from the inner arc surface to the outer arc surface of the nipple cap towards one side of the blocking piece, and the exhaust hole is communicated with the edge of the nipple cap.

As a preferred embodiment of the nursing accessory, the thickness of the nipple cap is gradually increased from the center to the edge.

As a preferred embodiment of the nursing accessory, the central axis of the delivery pipe is arranged at an angle to the closure.

In a second aspect, a nursing assembly is provided, which comprises a bottle body with an opening and the nursing accessory, wherein the blocking piece of the nursing accessory is inserted into the opening of the bottle body.

As a preferred scheme of subassembly of suckleing, the bottle is the silica gel breast pump, the silica gel breast pump is including adopting silica gel integrated into one piece's body and breast pump head, the breast pump head is the toper, the tip of breast pump head with the uncovered of body is connected, the main aspects medial surface and the breast laminating of breast pump head, the shutoff of shutoff piece the body inner space, the edge of the nipple cap of the accessory of suckleing with the inside wall laminating of breast pump head.

The utility model discloses beneficial effect does: by arranging the milk feeding accessory, the sealing piece is inserted into the opening of the bottle body, the milk feeding can be realized, the milk feeding accessory can be matched with any bottle body with an opening, such as the bottle body of a milk bottle or a silica gel breast pump, the application range is wide, particularly, after the milk feeding accessory is matched with the silica gel breast pump, the milk feeding can be realized without pouring milk in the silica gel breast pump into other containers, and the operation is very convenient; silica gel's shutoff piece can be convenient for insert the uncovered of bottle in, easy dismounting, and is sealed reliable, guarantees that milk can not spill over when suckleing, and the bowl form structure nipple cap that is the back-off that silica gel set up can imitate the breast, makes the baby more be close to in the sensation of breast milk at the in-process of suckleing to carry out effectual support to baby's mouth, promote the travelling comfort that the baby drank.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a perspective view of a first viewing angle of a nursing accessory according to an embodiment of the present invention.

Fig. 2 is a perspective view of a second perspective view of a nursing accessory according to an embodiment of the present invention.

Fig. 3 is a perspective view of a nursing assembly according to an embodiment of the present invention.

Fig. 4 is an exploded view of a breastfeeding assembly according to an embodiment of the present invention.

In the figure:

100. a breastfeeding accessory; 1. a nipple cap; 11. an outer arc surface; 12. an intrados surface; 13. an exhaust hole; 14. an edge; 2. a nipple head; 3. a delivery pipe; 4. a blocking member; 41. a liquid guiding through hole; 42. a first side surface; 43. a second side surface; 44. a first diversion trench; 45. a vent hole; 46. a one-way valve; 5. a seal ring; 6. a groove;

200. a silica gel breast pump; 7. a breast pump head; 8. a bottle body; 81. a bottleneck.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 and 2 (some reference numbers refer to fig. 3 and 4), the nursing accessory 100 of the present invention can be used for infant feeding, the nursing accessory 100 includes a nipple cap 1, a nipple head 2, a delivery pipe 3 and a blocking piece 4, the nipple cap 1 is in a reversed bowl shape, the nipple head 2 is arranged at the center of the outer arc surface 11 of the nipple cap 1, the nipple head 2 is internally provided with a cavity, one end of the conveying pipe 3 is arranged at the center of the inner arc surface 12 of the nipple cap 1 and is communicated with the cavity of the nipple head 2, the other end of the conveying pipe 3 is connected with the plugging piece 4, a liquid guide through hole 41 is arranged on the plugging piece 4 along the thickness direction, the liquid guiding through hole 41 is communicated with the conveying pipe 3, the plugging piece 4 is used for being spliced with an opening of the bottle body, and at least the nipple cap 1, the nipple head 2 and the plugging piece 4 are made of silica gel. By arranging the feeding accessory 100, the plugging piece 4 is inserted into the opening of the bottle body, feeding can be realized, the feeding accessory 100 can be matched with any bottle body with an opening, such as the bottle body of a feeding bottle or a silica gel breast pump 200, the application range is wide, particularly, after the feeding accessory 100 is matched with the silica gel breast pump 200, feeding can be realized without pouring milk in the silica gel breast pump 200 into other containers, and after the milk is sucked, a baby can be fed only by inserting the plugging piece 4 into the opening of the silica gel breast pump 200, so that the operation is very convenient; the shutoff piece 4 of silica gel can be convenient for insert the uncovered of bottle in, easy dismounting, and is sealed reliable, guarantees that milk can not spill over when suckleing, and the bowl form structure nipple cap 1 that is the back-off that silica gel set up can imitate the breast, makes the baby more be close to in the sensation of breast milk at the in-process of suckleing to carry out effectual support to baby's mouth, promote the travelling comfort that the baby drank.

The nursing accessory 100 and the bottle body form a nursing assembly, and the blocking piece 4 of the nursing accessory 100 is inserted into the open mouth of the bottle body. The bottle is exemplified as a silicone breast pump 200.

As shown in fig. 3 and 4 (some reference numbers are along with fig. 1 and 2), the silicone breast pump 200 includes a bottle body 8 and a breast pump head 7 which are integrally made and formed by silicone, the breast pump head 7 is conical, the small end of the breast pump head 7 is connected with the opening of the bottle body 8, the inner side surface of the large end of the breast pump head 7 is attached to the breast, the blocking piece 4 blocks the inner space of the bottle body 8, and the edge 14 of the nipple cap 1 of the feeding accessory 100 is attached to the inner side wall of the breast pump head 7.

The milk feeding component has the functions of sucking, feeding, storing and the like, when milk is required to be sucked, the milk can be sucked only by attaching the breast pump head 7 of the silica gel breast pump 200 to the breast and pressing the bottle body 8; when milk needs to be stored, the blocking piece 4 of the milk feeding accessory 100 passes through the breast pump head 7 and is inserted into the opening of the bottle body 8 (namely, the bottle neck 81 of the bottle body 8), the edge 14 of the nipple cap 1 is attached to the inner wall of the breast pump head 7, the dustproof sealing effect is achieved, milk can be stored, the milk can be stored without pouring into other containers, and the milk cannot be polluted due to the good sealing effect; when the baby needs to feed, the baby can suck milk directly through the nipple head 2 on the nipple cap 1, the whole process does not need to pour the milk into other containers, and the operation is simple.

In the present embodiment, the nipple cap 1, the nipple head 2, the delivery tube 3 and the blocking piece 4 are integrally formed by silicone. The integrally manufactured feeding accessory 100 does not need to be assembled, the structural integrity is good, the situation that small parts are lost can not occur, and the difficulty in assembling the feeding accessory 100 and the silica gel breast pump 200 can be reduced.

In other embodiments, the components can be manufactured separately, or both components can be made of silicone and then assembled to form the nursing accessory 100. For example, the nipple cap 1, the nipple head 2 and the delivery pipe 3 are integrally formed by silica gel, the blocking piece 4 is separately formed by silica gel, and then the delivery pipe 3 is inserted into the liquid guide through hole 41 of the blocking piece 4. In order to reduce the assembly difficulty of the delivery pipe 3 and the plugging piece 4, a thread structure can be directly formed on the outer wall of the delivery pipe 3, a corresponding thread structure is formed in the liquid guide through hole 41, and the delivery pipe 3 is assembled with the plugging piece 4 in a threaded screwing mode.

Of course, the delivery tube 3 is not limited to be made of silicone, but may be made of other hard plastics.

In one embodiment, the cross section of the nipple head 2 is circular or elliptical, and the diameter of the end of the nipple head 2 far away from the nipple cap 1 is larger than the diameter of the end connected with the nipple cap 1. This design imitates the design of breast milk, and the baby of being convenient for holds nipple head 2, prevents effectively that nipple head 2 from breaking away from the baby oral area at will, reduces the degree of difficulty that the baby suckles, can also let the baby more easily transition to the feeding bottle from breast-feeding simultaneously and feed.

The end face of one end, far away from the nipple cap 1, of the nipple head 2 is provided with a milk outlet, and the milk outlet is any one of a circular hole, a cross-shaped hole or a Y-shaped hole. When the milk outlet is a circular hole, the diameter of the milk outlet is 0.5 mm-1 mm; when the milk outlet is a cross-shaped hole, the length of the hole is 3 mm-4 mm; when the milk outlet is provided with a Y-shaped opening, the lengths of the three opening lines are 3 mm-4 mm. The cross-shaped opening and the Y-shaped opening can adjust the milk discharge and the milk discharge speed according to the suction force, so that the milk choking condition is effectively prevented.

Further, the inner wall of the cavity of the nipple 2 is provided with an end buffering groove annularly around the center of the delivery pipe 3, and the buffering groove is adjacent to the delivery pipe 3. Through setting up the round buffering recess, can effectively slow down the speed that milk enters into the cavity of nipple head 2 at conveyer pipe 3, and then effectively alleviate the condition of chocking milk.

In other embodiments, a buffer groove may be spirally wound on the cavity wall of the cavity of the nipple 2 along the length direction of the conveying pipe 3. The spiral is coiled on the buffer groove on the cavity wall of the cavity, so that the milk slowing effect is better, and the milk choking condition is effectively relieved.

In one embodiment, the nipple cap 1 has a maximum outer diameter of 75mm and a maximum wall thickness of 7mm, and is in an inverted bowl-shaped configuration, simulating the structural design of a woman's breast.

In the present embodiment, the thickness of the teat cap 1 gradually increases from the center towards the edge 14. This design can keep the thickness of the region of connecting nipple head 2 thin, the baby contacts and sucks the sucking action of the baby mouth of laminating more easily of breast milk in-process, reduce baby's uncomfortable and feel, and the thickness of nipple cap 1 is by the center towards marginal 14 bodiness gradually, can guarantee that the supporting effect of nipple cap 1 is good, difficult whole emergence is collapsed and is out of shape, when feeding accessory 100 and silica gel breast pump 200 cooperate, marginal 14 of nipple cap 1 can support the inside wall at the breast pump head 7 of silica gel breast pump 200, consequently indeformable nipple cap 1 can also shelter from the oral area of breast pump head 7, play dirt-proof effect.

The nipple cap 1 is provided with at least one exhaust hole 13. When the nursing accessory 100 is used, a pumping action is generated, and the milk in the silicone breast pump 200 can be normally output. When the suction action occurs, air in the silicone breast pump 200 is sucked away, and since the sealing piece 4 is shielded by the nipple cap 1 after the feeding accessory 100 is assembled with the silicone breast pump 200, in order to supplement fresh air, the nipple cap 1 is provided with the exhaust hole 13 to continuously supplement fresh air into the nipple cap 1.

In the present embodiment, the exhaust hole 13 is inclined from the inner arc surface 12 to the outer arc surface 11 of the nipple cap 1 toward the side where the blocking piece 4 is located, and the exhaust hole 13 communicates with the edge 14 of the nipple cap 1. The blocking piece 4 which is obliquely arranged can ensure that the inner arc surface 12 of the nipple cap 1 has no edge structure, reduce the resistance of air entering the nipple cap 1 from the exhaust hole 13 and accelerate the air suction efficiency; the air circulation can be accelerated by the air vent 13 arranged on the edge 14 of the nipple cap 1 and matching with a second guiding groove (not shown in the figure) on the inner side wall of the breast pump head 7 of the silica gel breast pump 200, and meanwhile, the nipple cap 1 does not need to be provided with the air vent 13 with a larger size, namely, the strength of the nipple cap 1 is not reduced.

Preferably, the vent hole 13 has a length of 5mm, a width of 7mm (i.e., the thickness of the nipple cap 1), and a height of 4 mm.

The rim 14 of the teat cap 1 is provided with two exhaust holes 13.

The delivery pipe 3 is cylindrical, and the inner diameter of the delivery pipe is 10 mm-12 mm. The duct 3 is the main part connecting the nipple 2 and the closure piece 4 and is also the main passage for the milk flow. Feeding bottle products on the market are in a direct connection mode with a nipple, the feeding bottle needs to be inverted when the feeding bottle is used, milk flows towards the nipple by gravity, and when the milk flows towards the nipple, the milk outlet is easy to form a milk spraying effect due to the influence of air pushing in the feeding bottle, so that a baby is choked. Particularly, at the beginning of feeding, the weight of milk is concentrated in the inner pocket of the nipple, and the pressure of the gravity on the face and the mouth of the baby easily causes the fatigue feeling of the face and the mouth of the baby at the early stage of milk taking. The utility model discloses conveyer pipe 3 can make the equal speed of milk equivalent flow, and the drainage and the buffering effect of the cross type hole or the Y style of calligraphy hole of the milk mouth of play on the cooperation nipple head 2 slow down effectively and control milk flow speed, avoid forming foretell milk effect of spouting, reduce the condition that the baby chocked milk.

In one embodiment, at least two sealing rings 5 are annularly arranged on the peripheral wall of the blocking piece 4, at least two sealing rings 5 are arranged at intervals along the thickness direction of the blocking piece 4, and a groove 6 surrounding the peripheral wall of the blocking piece 4 is formed between every two adjacent sealing rings 5. By arranging the sealing rings 5, the difficulty of splicing the plugging piece 4 with the opening of the bottle body can be reduced, the sealing performance is good, and particularly when at least two sealing rings 5 are arranged, the sealing effect is better; by providing the groove 6, a space can be provided for the packing 5 to be deformed by pressing.

In this embodiment, the peripheral wall of the block piece 4 is provided with two sealing rings 5, and the two sealing rings 5 are respectively arranged at two ends of the block piece 4 in the thickness direction.

Further, the body 8 of silica gel breast pump 200 is provided with bottleneck 81, and the upper end of bottleneck 81 sets up this uncovered, and the lower extreme of bottleneck 81 and the inner chamber of body 8 communicate, and when shutoff piece 4 was pegged graft at body 8, its two sealing washer 5 were located the both ends of bottleneck 81 respectively and formed the buckle effect, and the recess 6 of shutoff piece 4 periphery and the inner wall of bottleneck 81 mutual contact take place traction force, make shutoff piece 4 difficult quilt deviate from. Under the effect of the dual acting force, the plugging piece 4 can play a dual sealing effect after being installed on the silica gel breast pump 200, so that milk can be stably stored in the bottle body 8 of the silica gel breast pump 200 in the feeding process.

Preferably, the blocking piece 4 has a first side surface 42 and a second side surface 43 which are oppositely arranged, two ends of the liquid guiding through hole 41 extend to the first side surface 42 and the second side surface 43 respectively, one end of the conveying pipe 3, which is far away from the nipple cap 1, is connected with the first side surface 42, the diameter of the sealing ring 5 adjacent to the first side surface 42 is larger than that of the sealing ring 5 adjacent to the second side surface 43, and the blocking piece 4 is cylindrical. The design can make the structure formed by the blocking piece 4 and the sealing ring 5 have a structure with a big end and a small end, so that the structure is convenient to be inserted into the open mouth (namely the bottle neck 81) of the bottle body 8. More preferably, the diameter of the sealing ring 5 adjacent to the first side 42 is 40mm and the thickness thereof is 7mm, the diameter of the sealing ring 5 adjacent to the second side 43 is 36mm and the thickness thereof is 6mm, and the outer diameter of the closing part 4 is 34mm and the thickness thereof is 12 mm.

In one embodiment, the second side surface 43 is provided with at least one first guiding groove 44, the first guiding groove 44 extends along the radial direction of the blocking piece 4, one end of the first guiding groove 44 is communicated with the outer peripheral wall of the blocking piece 4, and the other end is communicated with the liquid guiding through hole 41. By providing the first flow guide groove 44, the milk in the bottle body 8 of the silicone breast pump 200 can be smoothly introduced into the liquid guide through hole 41 of the plugging member 4, and the first flow guide groove 44 has the effect of buffering the milk. In addition, the first diversion trench 44 can prevent milk from being accumulated at the blocking piece 4, so that the whole milk can be guided out of the conveying pipe 3.

In the present embodiment, the bottom of the first guide groove 44 is inclined from the end connected to the outer circumferential wall of the block piece 4 toward the end connected to the liquid guiding through hole 41 toward the inside of the block piece 4. The first diversion trench 44 arranged obliquely has better diversion effect, and realizes the effect that the milk at the edge converges towards the middle part.

Preferably, at least three first guiding grooves 44 are annularly formed on the second side surface 43.

In one embodiment, the blocking element 4 has a vent hole 45 penetrating through the blocking element in the thickness direction, a one-way valve 46 is disposed in the vent hole 45, and the one-way valve 46 can only convey gas from the first side 42 toward the second side 43. Through setting up air vent 45 and check valve 46, can guarantee that silica gel breast pump 200 keeps the inside and outside atmospheric pressure balance of body 8 at the in-process of suckleing, prevents that body 8 from warping, and the setting of check valve 46 can prevent that milk from spilling over to body 8 outside through air vent 45 at the in-process of suckleing.

The central axis of the conveying pipe 3 and the plugging piece 4 are arranged at an included angle. This setting can make the whole certain angle of slope of nipple cap 1 for shutoff piece 4, and then guarantees that nipple cap 1 can laminate at the inner wall of the breast pump head 7 of silica gel breast pump 200.

It can be understood that the nursing accessory 100 of the present invention is not limited to cooperate with the silicone breast pump 200 to realize nursing, and can also cooperate with the body 8 of the existing nursing bottle directly to realize nursing.

In the description herein, it is to be understood that the terms "upper" and the like are used in a descriptive sense and based on the orientation or positional relationship shown in the drawings for convenience in description and simplicity of operation, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, configuration and operation in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description herein, references to the description of "an embodiment" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims (14)

1. The utility model provides a nursing accessory, its characterized in that includes nipple cap, nipple head, conveyer pipe and shutoff piece, the nipple cap is the bowl form of back-off, the nipple head sets up the center of the extrados of nipple cap, have the cavity in the nipple head, the one end setting of conveyer pipe is in the center of the intrados of nipple cap and with the cavity intercommunication of nipple head, the other end of conveyer pipe with the shutoff piece is connected, run through along its thickness direction on the shutoff piece and seted up the drain through-hole, the drain through-hole with the conveyer pipe intercommunication, the shutoff piece is used for pegging graft with the uncovered of bottle, at least nipple cap, nipple head with the shutoff piece adopts silica gel to make.

2. The nursing accessory of claim 1, wherein the nipple cap, nipple head, delivery tube, and closure are integrally formed of silicone.

3. The nursing accessory of claim 1, wherein the peripheral wall of the block member is annularly provided with at least two sealing rings, at least two sealing rings are spaced apart along the thickness direction of the block member, and a groove surrounding the peripheral wall of the block member is formed between two adjacent sealing rings.

4. The feeding accessory of claim 3, wherein the closure has a first side and a second side opposite to each other, two ends of the fluid-conducting through hole extend to the first side and the second side, respectively, one end of the delivery pipe away from the nipple cap is connected to the first side, the second side is provided with at least one first flow-guiding groove, the first flow-guiding groove extends along the radial direction of the closure, one end of the first flow-guiding groove is communicated with the outer peripheral wall of the closure, and the other end of the first flow-guiding groove is communicated with the fluid-conducting through hole.

5. The nursing accessory of claim 4, wherein the bottom of the first channel slopes inwardly of the block from the end connected to the peripheral wall of the block toward the end connected to the drainage hole.

6. The nursing accessory of claim 4, wherein the second side surface defines at least three first channels.

7. The nursing accessory of claim 1, wherein the closure member has a vent hole extending therethrough in a thickness direction thereof, a one-way valve being disposed in the vent hole, the closure member having first and second sides at opposite ends in the thickness direction, the one-way valve being capable of conveying gas only from the first side toward the second side.

8. The nursing accessory of claim 3, wherein the peripheral wall of the block piece is provided with two sealing rings, which are provided at both ends of the block piece in the thickness direction.

9. The nursing accessory of claim 1, wherein the nipple cap has at least one vent hole formed therein.

10. The feeding accessory of claim 9, wherein the vent hole is inclined from an intrados surface to an extrados surface of the nipple cap toward a side where the block piece is located, and the vent hole communicates with an edge of the nipple cap.

11. The breastfeeding accessory of any of claims 1 to 10 wherein the thickness of the nipple cap gradually increases from the center towards the edge.

12. A feeding accessory as claimed in any one of claims 1 to 10, wherein the central axis of the delivery tube is angled relative to the closure.

13. A feeding set comprising a bottle body with an opening, further comprising a feeding accessory as claimed in any one of claims 1 to 12, the closure of the feeding accessory being inserted in the opening of the bottle body.

14. The feeding assembly of claim 13, wherein the bottle body is a silicone breast pump, the silicone breast pump comprises a bottle body and a breast pump head which are integrally made of silicone, the breast pump head is conical, the small end of the breast pump head is connected with the opening of the bottle body, the inner side surface of the large end of the breast pump head is attached to the breast, the blocking piece blocks the inner space of the bottle body, and the edge of the nipple cap of the feeding accessory is attached to the inner side wall of the breast pump head.

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