Hand-holding-free breast pump

Abstract

The utility model provides a hand-holding-free breast pump, which relates to the technical field of breast pumps and comprises a breast pump main machine and a flexible horn cover. The breast pump main machine comprises a rigid funnel-shaped base part; a connecting groove is formed in the funnel of the base part; the horn cover comprises a funnel-shaped attaching fixing layer and a funnel-shaped negative pressure positioning layer. The negative pressure positioning layer is arranged on the outer side of the attaching fixing layer. A small funnel opening of the attaching and fixing layer is hermetically connected with a small funnel opening of the negative pressure positioning layer; the large funnel opening of the attaching fixing layer and the large funnel opening of the negative pressure positioning layer face the same direction; a gap is reserved between the funnel outer wall of the attaching and fixing layer and the funnel inner wall of the negative pressure positioning layer; a flange is arranged at a small funnel opening of the negative pressure positioning layer; the flange is in a circular ring shape and is connected to the outer wall of the funnel small opening of the negative pressure positioning layer; the flanges are matched with the connecting grooves in size; the horn cover is detachably fixed on the base part; when the horn cover is fixed to the base part, the funnel axis of the attaching fixing layer is coaxial with the funnel axis of the base part. The flange is hermetically fixed in the connecting groove. According to the hand-holding-free breast pump, the problem that in the prior art, a hand-holding-free breast pump is prone to deviating or falling off relative to the breast of a mother is solved, the connection strength between the breast pump and the breast of the mother can be enhanced, and the situation that the hand-holding-free breast pump falls off from the breast of the mother is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of breast pumps, in particular to a hands-free breast pump. Background Art

[0002] A nipple shield is a device used to protect the mother's nipple from being bitten by the baby's teeth while the mother is breastfeeding. In the prior art, a nipple shield disclosed in Chinese patent application No. 202020699514.1 explains the specific structure and usage of the nipple shield; the nipple shield includes a fitting and fixing layer and a negative pressure positioning layer arranged on the outside of the fitting and fixing layer. In addition to preventing the baby from biting the mother's breast, the double-layer structure of the nipple shield has a better adsorption effect than the common single-layer silicone shield, because the fitting and fixing layer is in contact with the mother's breast to form an enclosed space; the negative pressure positioning layer is in contact with the mother's breast to form an enclosed space. The nipple shield will only fall off when there is a gap between the fitting and fixing layer and the negative pressure positioning layer and the mother's breast.

[0003] A hands-free breast pump is a breast pump that is easy to use for breastfeeding women. It can be attached to the mother's breast during operation, thereby freeing up the mother's hands. In the prior art, for example, Chinese patent application No. 202321014162.1 discloses a hands-free breast pump that is easy to clean, which discloses the specific structure and working principle of the hands-free breast pump. Since it is necessary to prevent the breast pump from falling off the mother's breast when using the hands-free breast pump, the airtightness between the mother's breast and the breast pump must be ensured to ensure the normal milk suction operation of the breast pump. The base member 11 used to abut against the mother's breast in the above-mentioned comparative document is a single-layer structure. During the operation of the breast pump, the air pressure in the enclosed space between the base member and the mother's breast will change. When a gap is generated between the single-layer base member and the mother's breast due to the change in air pressure, the entire hands-free breast pump will deviate from the mother's breast or even fall off, affecting normal milk suction. Utility Model Content

[0004] In view of the above technical problems, the hands-free breast pump provided by the utility model can enhance the connection strength between the breast pump and the mother's breast, and reduce the occurrence of the hands-free breast pump falling off the mother's breast.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The hands-free breast pump provided by the utility model comprises a breast pump main unit and a flexible horn cover; the breast pump main unit comprises a rigid funnel-shaped base member; a connecting groove is provided inside the funnel of the base member; the horn cover comprises a funnel-shaped fitting fixing layer and a funnel-shaped negative pressure positioning layer; the negative pressure positioning layer is arranged outside the fitting fixing layer; the small funnel opening of the fitting fixing layer is tightly connected with the small funnel opening of the negative pressure positioning layer; the large funnel opening of the fitting fixing layer and the large funnel opening of the negative pressure positioning layer face in the opposite direction in the same direction; a gap is left between the outer wall of the funnel of the fitting and fixing layer and the inner wall of the funnel of the negative pressure positioning layer; a flange is arranged at the small mouth of the funnel of the negative pressure positioning layer; the flange is annularly connected to the outer wall of the small mouth of the funnel of the negative pressure positioning layer; the flange matches the size of the connecting groove; the horn cover is detachably fixed on the base member; when the horn cover is fixed on the base member, the axis of the funnel of the fitting and fixing layer is coaxial with the axis of the funnel of the base member; the flange is airtightly fixed in the connecting groove.

[0007] The hands-free breast pump provided by the utility model preferably comprises: the horn cover further comprising a supporting edge; the supporting edge is smoothly connected to the large funnel opening of the negative pressure positioning layer; the supporting edge extends away from the opening direction of the large funnel opening of the negative pressure positioning layer, and the end of the extension is a wavy edge curve.

[0008] The hands-free breast pump provided by the utility model is preferably a main unit of the breast pump further comprising a flexible middle piece and a rigid negative pressure shell; a vent hole is provided on the negative pressure shell; the base piece is detachably connected to the middle piece; the middle piece is detachably connected to the negative pressure shell; the middle piece comprises a flexible, non-opening, funnel-shaped, easily deformable cylinder silicone and a flexible duckbill valve plate; the duckbill valve plate is integrally formed and connected to the edge of the outer ring of the funnel of the cylinder silicone; when the middle piece is connected to the negative pressure shell, the outer surface edge of the cylinder silicone is tightly fixed to the negative pressure shell; the base piece When connected to the middle piece, the outer ring edge of the inner surface of the funnel of the middle piece is tightly attached to the outer wall of the funnel of the base piece; the base piece includes a duckbill valve baffle; when the base piece is connected to the middle piece, the duckbill valve plate and the duckbill valve baffle are connected and combined into a duckbill valve; the gap between the outer wall of the base piece and the inner wall of the cylinder silicone serves as the inlet of the duckbill valve; the duckbill valve plate and the duckbill valve baffle are tightly attached; the gap between the duckbill valve plate and the duckbill valve baffle is the outlet of the duckbill valve; the inlet of the duckbill valve is vertically arranged upward; the outlet of the duckbill valve is vertically arranged downward.

[0009] The hands-free breast pump provided by the utility model is preferably provided with a plurality of grooves on the funnel-shaped inner wall of the cylinder silicone; the inner wall of the funnel of the cylinder silicone will be sunken toward the inner side of the funnel along the grooves in a natural state.

[0010] The hands-free breast pump provided by the utility model preferably further comprises a milk bottle; the milk bottle is detachably connected to the breast pump host; when the breast pump host is connected to the milk bottle, the outlet of the duckbill valve is connected to the milk bottle.

[0011] The hands-free breast pump provided by the utility model is preferably configured such that the breast pump main unit comprises an air suction device; the air suction device is airtightly connected to the vent hole through a pipeline.

[0012] The above technical solution has the following advantages or beneficial effects:

[0013] The utility model provides a hands-free breast pump, which relates to the technical field of breast pumps, and comprises a breast pump host and a flexible horn cover; the breast pump host comprises a rigid funnel-shaped base member; a connecting groove is provided inside the funnel of the base member; the horn cover comprises a funnel-shaped fitting fixing layer and a funnel-shaped negative pressure positioning layer; the negative pressure positioning layer is arranged outside the fitting fixing layer; the small funnel opening of the fitting fixing layer is tightly connected to the small funnel opening of the negative pressure positioning layer; the large funnel opening of the fitting fixing layer is tightly connected to the large funnel opening of the negative pressure positioning layer The direction of the big mouth of the funnel is consistent; there is a gap between the outer wall of the funnel of the fitting fixing layer and the inner wall of the funnel of the negative pressure positioning layer; a flange is arranged at the small mouth of the funnel of the negative pressure positioning layer; the flange is annularly connected to the outer wall of the small mouth of the funnel of the negative pressure positioning layer; the flange matches the size of the connecting groove; the horn cover is detachably fixed to the base member; when the horn cover is fixed to the base member, the axis of the funnel of the fitting fixing layer is coaxial with the axis of the funnel of the base member; the flange is sealed and fixed in the connecting groove. The hands-free breast pump provided by the utility model solves the problem that the hands-free breast pump in the prior art is easily offset or falls off relative to the mother's breast, can enhance the connection strength between the hands-free breast pump and the mother's breast, and reduce the occurrence of the hands-free breast pump falling off from the mother's breast. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention and its features, appearance and advantages will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings. The same reference numerals indicate the same parts in all the drawings. The drawings are not drawn to scale, but the emphasis is on illustrating the subject matter of the present invention.

[0015] Figure 1 It is a schematic diagram of the overall structure of the hands-free breast pump provided in Example 1 of the utility model.

[0016] Figure 2 It is a schematic structural diagram of the speaker cover of the hands-free breast pump provided in Example 1 of the utility model.

[0017] Figure 3 It is a schematic diagram of the connection structure between the speaker cover of the hands-free breast pump and the breast pump body provided in Example 1 of the utility model.

[0018] Figure 4 It is a schematic diagram of the connection structure between the base member and the middle member of the hands-free breast pump provided in Example 1 of the utility model.

[0019] Figure 5 It is a schematic diagram of the connection structure between the duckbill valve baffle and the duckbill valve plate of the hands-free breast pump provided in Example 1 of the utility model.

[0020] Figure 6 It is a schematic diagram of the structure of the middleware of the hands-free breast pump provided in Example 1 of the utility model.

[0021] Figure 7 It is a schematic diagram of the connection structure between the base member and the feeding bottle of the hands-free breast pump provided in Example 1 of the utility model.

[0022] Figure 8 It is a schematic diagram of the positional relationship of the suction device of the hands-free breast pump provided in Embodiment 1 of the utility model relative to the breast pump host. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention are described below in conjunction with the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative work belong to the protection scope of the present invention.

[0024] Embodiment 1: The hands-free breast pump in the prior art can be directly adsorbed on the mother's breast (using the air pressure between the hands-free breast pump and the mother's breast), and some require a chest strap to assist the hands-free breast pump to press against the mother's breast. However, when a gap is generated between the hands-free breast pump and the mother's breast, the hands-free breast pump will be offset relative to the mother's breast, which may cause the hands-free breast pump to fail to work properly. The reason for the gap between the hands-free breast pump and the mother's breast is that a gap is generated where the hands-free breast pump and the mother's breast are in contact, so that the enclosed space between the mother's breast and the hands-free breast pump is connected to the outside world at the gap, thereby eliminating the negative pressure between the mother's breast and the hands-free breast pump, and the hands-free breast pump is no longer adsorbed on the mother's breast. In order to reduce the occurrence of a gap between the hands-free breast pump and the mother's breast, the hands-free breast pump provided in Embodiment 1 of the utility model is as follows: Figures 1 to 8 As shown, the breast pump main body 1 and the flexible speaker cover 2 are included; the breast pump main body 1 includes a rigid funnel-shaped base member 11; a connecting groove 111 is provided inside the funnel of the base member 11; the speaker cover 2 includes a funnel-shaped fitting fixing layer 21 and a funnel-shaped negative pressure positioning layer 22; the negative pressure positioning layer 22 is arranged outside the fitting fixing layer 21; the small funnel opening of the fitting fixing layer 21 is tightly connected with the small funnel opening of the negative pressure positioning layer 22; the large funnel opening of the fitting fixing layer 21 and the large funnel opening of the negative pressure positioning layer 22 are oriented in the same direction; A gap is left between the outer wall of the funnel of the fitting fixing layer 21 and the inner wall of the funnel of the negative pressure positioning layer 22; a flange 221 is provided at the small mouth of the funnel of the negative pressure positioning layer 22; the flange 221 is annularly connected to the outer wall of the small mouth of the funnel of the negative pressure positioning layer 22; the size of the flange 221 matches the connecting groove 111; the horn cover 2 is detachably fixed on the base member 11; when the horn cover 2 is fixed on the base member 11, the funnel axis of the fitting fixing layer 21 is coaxial with the funnel axis of the base member 11; the flange 221 is airtightly fixed in the connecting groove 111.

[0025] In the hands-free breast pump provided in Example 1 of the utility model, the flange 221 is airtightly connected to the connecting groove 111 of the base member 11 (the specific structure of the base member 11 is the prior art, which has been disclosed in the easy-to-clean hands-free breast pump disclosed in Chinese patent application No. 202321014162.1 provided in the background technology), and the connecting groove 111 is provided at the inner wall of the funnel of the base member 11, so that the flange 221 can be detachably fixed in the connecting groove 111, so that the flexible horn cover 2 can replace the function of the base member 11 in the comparative document to stick to the mother's breast. Compared with the rigid base member 11, the flexible horn cover 2 can, on the one hand, make the mother's breast feel softer and more comfortable, and on the other hand, the flexible horn cover 2 can be deformed with the change of the internal air pressure, so as to better fit the breast milk breast, instead of the prior art that completely relies on the deformation of the breast milk breast to keep close to the rigid base member 11.

[0026] When the hands-free breast pump provided by Example 1 of the utility model is in use, the inner walls of the funnels of the fitting fixing layer 21 and the negative pressure positioning layer 22 are respectively in close contact with the mother's breasts, and the small funnel opening shared by the fitting fixing layer 21 and the negative pressure positioning layer 22 is connected to the structure of providing negative pressure of the breast pump host 1 (the specific structure has been disclosed and will not be repeated here), so that a closed cavity is formed between the mother's breast (the nipple part), the fitting fixing layer 21 and the breast pump host 1. When the air pressure in this cavity changes, the breast secretes milk into this cavity; when the flexible fitting fixing layer 21 is no longer in close contact with the mother's breast due to deformation, this cavity will be connected to the inner wall of the negative pressure positioning layer 22, and the negative pressure positioning layer 22 is also in close contact with the mother's breast. The breast of the mother is tightly attached to the breast, so the breast pump can still provide negative pressure to the mother's breast normally to suck milk; compared with the method of simply sticking the rigid base member 11 against the mother's breast in the prior art, the device provided in this embodiment, on the one hand, adopts a flexible horn cover 2 to stick to the breast, thereby reducing the discomfort of the mother's breast due to the large deformation of the rigid base member 11; on the other hand, the double-layer sealing structure of the fitting fixing layer 21 and the negative pressure positioning layer 22 of the mother's flexible horn cover 2 can ensure that the breast pump can provide suction normally when one of the fitting fixing layer 21 and the negative pressure positioning layer 22 is tightly attached to the mother's breast, thereby ensuring the stability of the suction provided by the breast pump and reducing the situation of the breast pump falling off the mother's breast.

[0027] The hands-free breast pump provided in Example 1 of the utility model solves the problem in the prior art that the hands-free breast pump is easy to fall off the mother's breast, can enhance the airtightness between the hands-free breast pump and the mother's breast, and reduce the situation where the hands-free breast pump as a whole falls off the mother's breast.

[0028] As a preferred solution, in this embodiment, the speaker cover 2 further includes a supporting edge 23; the supporting edge 23 is smoothly connected to the funnel opening of the negative pressure positioning layer 22; the supporting edge 23 extends away from the opening direction of the funnel opening of the negative pressure positioning layer 22, and the end of the extension is a wavy edge curve. The supporting edge 23 with a wavy edge curve can make the product more beautiful.

[0029] As a preferred solution, in this embodiment, the breast pump host also includes a flexible middle piece 12 and a rigid negative pressure shell 13; a vent hole 131 is provided on the negative pressure shell 13; the base piece 11 is detachably connected to the middle piece 12; the middle piece 12 is detachably connected to the negative pressure shell 13; the middle piece 12 includes a flexible, non-opening, funnel-shaped, easily deformable cylinder silicone 121 and a flexible duckbill valve plate 122; the duckbill valve plate 122 is integrally formed and connected to the edge of the outer ring of the funnel of the cylinder silicone 121; when the middle piece 12 is connected to the negative pressure shell 13, the outer surface edge of the cylinder silicone 121 is tightly fixed to the negative pressure shell 13; the base When the member 11 is connected to the middle member 12, the outer ring edge of the inner surface of the funnel of the middle member 12 is tightly attached to the outer wall of the funnel of the base member 11; the base member 11 includes a duckbill valve baffle 112; when the base member 11 is connected to the middle member 12, the duckbill valve plate 122 and the duckbill valve baffle 112 are connected and combined into a duckbill valve; the gap between the outer wall of the base member 11 and the inner wall of the cylinder silicone 121 serves as the inlet of the duckbill valve; the duckbill valve plate 122 and the duckbill valve baffle 112 are tightly attached; the gap between the duckbill valve plate 122 and the duckbill valve baffle 112 serves as the outlet of the duckbill valve; the inlet of the duckbill valve is arranged vertically upward; the outlet of the duckbill valve is arranged vertically downward. The present embodiment is an improvement on the easy-to-clean hands-free breast pump disclosed in Chinese patent application No. 202321014162.1 in the background technology. The flexible middle piece 12 is the part that generates deformation. The air in the enclosed space between the middle piece 12 and the negative pressure shell 13 is sucked from the vent 131 by the suction device, so that the flexible middle piece 12 is deformed, so that the size of the space on the other side of the flexible middle piece 12 changes, thereby changing the air pressure on the other side of the flexible middle piece 12. The purpose of the middle piece 12 is to prevent milk from entering the negative pressure shell 13 and entering the suction device from the vent 131; base The duckbill valve baffle 112 of the middle piece 11 and the duckbill valve plate 122 of the middle piece 12 form a duckbill valve, and the specific structure has been disclosed (the Chinese patent application No. 202321014162.1 discloses a hands-free breast pump that is easy to clean) and will not be described in detail here; the flexible speaker cover 2 is detachably fixed to the inner wall of the base piece 11, and by controlling the deformation of the speaker cover 2, the flange 221 of the speaker cover 2 is inserted into the connecting groove 111 of the base piece 11, which will not affect the normal structure of the existing hands-free breast pump. In addition, the detachable design of the speaker cover 2 and the base piece 11 makes it easy to clean the various components of the breast pump.

[0030] As a preferred solution, in this embodiment, a plurality of grooves 1211 are provided on the funnel-shaped inner wall of the cylinder silicone 121; the inner wall of the funnel of the cylinder silicone 121 will be concave along the grooves 1211 toward the inner side of the funnel (of the cylinder silicone 121) in a natural state (i.e., when the cylinder silicone 121 is not affected by external forces). The provision of the grooves 1211 is to reduce the deformation difficulty of the cylinder silicone 121, and the side walls and the bottom plate of the grooves 1211 can make the cylinder silicone 121 deform to a greater extent (compared with a smooth conical surface) during the opening process.

[0031] As a preferred solution, in this embodiment, a feeding bottle 3 is further included; the feeding bottle 3 is detachably connected to the breast pump main unit 1; when the breast pump main unit 1 is connected to the feeding bottle 3, the outlet of the duckbill valve is connected to the feeding bottle 3. The function of the feeding bottle 3 is to store milk. When the milk between the duckbill valve plate 122 and the duckbill valve baffle 112 increases, the gravity of the milk causes the duckbill valve plate 122 to deform, and the duckbill valve plate 122 and the duckbill valve baffle 112 are no longer tightly attached. The milk falls from the gap between the duckbill valve plate 122 and the duckbill valve baffle 112 and enters the feeding bottle 3 below for storage.

[0032] As a preferred solution, in this embodiment, the breast pump main unit 1 includes a suction device 14; the suction device 14 (the suction port) is tightly connected to the vent hole 131 through a pipeline. The suction device 14 belongs to the prior art, such as an air pump, and its purpose is to provide suction to the vent hole 131. The specific structure is not described in detail here.

[0033] In summary, the utility model provides a hands-free breast pump, which relates to the technical field of breast pumps, and includes a breast pump host and a flexible horn cover; the breast pump host includes a rigid funnel-shaped base member; a connecting groove is provided inside the funnel of the base member; the horn cover includes a funnel-shaped fitting fixing layer and a funnel-shaped negative pressure positioning layer; the negative pressure positioning layer is arranged on the outside of the fitting fixing layer; the small funnel opening of the fitting fixing layer is tightly connected to the small funnel opening of the negative pressure positioning layer; the large funnel opening of the fitting fixing layer is connected to the negative pressure positioning layer The large openings of the funnels of the layers are oriented in the same direction; a gap is left between the outer wall of the funnel of the fitting and fixing layer and the inner wall of the funnel of the negative pressure positioning layer; a flange is provided at the small opening of the funnel of the negative pressure positioning layer; the flange is annularly connected to the outer wall of the small opening of the funnel of the negative pressure positioning layer; the flange matches the size of the connecting groove; the horn cover is detachably fixed to the base member; when the horn cover is fixed to the base member, the axis of the funnel of the fitting and fixing layer is coaxial with the axis of the funnel of the base member; the flange is sealed and fixed in the connecting groove. The hands-free breast pump provided by the utility model solves the problem in the prior art that the hands-free breast pump is easily offset or falls off relative to the mother's breast, can enhance the connection strength between the hands-free breast pump and the mother's breast, and reduce the occurrence of the hands-free breast pump falling off from the mother's breast.

[0034] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structural transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, is also included in the patent protection scope of the present invention.

Claims

1. A hands-free breast pump, comprising a breast pump main unit; the breast pump main unit comprises a rigid funnel-shaped base member; characterized in that: Also included is a flexible horn cover; A connecting groove is provided inside the funnel of the base member; The horn cover comprises a funnel-shaped fitting fixing layer and a funnel-shaped negative pressure positioning layer; The negative pressure positioning layer is arranged outside the fitting and fixing layer; the small funnel opening of the fitting and fixing layer is tightly connected with the small funnel opening of the negative pressure positioning layer; the large funnel opening of the fitting and fixing layer is oriented in the same direction as the large funnel opening of the negative pressure positioning layer; A gap is left between the outer wall of the funnel of the fitting fixing layer and the inner wall of the funnel of the negative pressure positioning layer; The funnel opening of the negative pressure positioning layer is provided with a flange; The flange is annularly connected to the outer wall of the funnel opening of the negative pressure positioning layer; The flange matches the size of the connecting groove; The horn cover is detachably fixed on the base member; when the horn cover is fixed on the base member, the funnel axis of the fitting fixing layer is coaxial with the funnel axis of the base member; The flange is tightly fixed in the connecting groove.

2. The hands-free breast pump according to claim 1, wherein: The horn cover also includes a supporting edge; the supporting edge is smoothly connected to the funnel opening of the negative pressure positioning layer; The supporting edge extends away from the opening direction of the funnel mouth of the negative pressure positioning layer, and the end of the extension is a wavy edge curve.

3. The hands-free breast pump according to claim 1, wherein: The breast pump host further comprises a flexible middle piece and a rigid negative pressure shell; the negative pressure shell is provided with a vent hole; The base member is detachably connected to the intermediate member; the intermediate member is detachably connected to the negative pressure housing; The intermediate piece includes a flexible, non-opening, funnel-shaped, easily deformable cylinder silicone and a flexible duckbill valve plate; the duckbill valve plate is integrally formed and connected to the edge of the outer ring of the funnel of the cylinder silicone; When the intermediate piece is connected to the negative pressure housing, the outer surface edge of the cylinder silicone is tightly fixed to the negative pressure housing; When the base member is connected to the middle member, the outer edge of the inner surface of the funnel of the middle member is tightly attached to the outer wall of the funnel of the base member; the base member includes a duckbill valve baffle; when the base member is connected to the middle member, the duckbill valve plate is connected to the duckbill valve baffle to form a duckbill valve; The gap between the outer wall of the base member and the inner wall of the cylinder silicone serves as the inlet of the duckbill valve; the valve plate of the duckbill valve and the duckbill valve baffle are arranged closely; the gap between the valve plate of the duckbill valve and the duckbill valve baffle is the outlet of the duckbill valve; The inlet of the duckbill valve is arranged vertically upward; and the outlet of the duckbill valve is arranged vertically downward.

4. The hands-free breast pump according to claim 3, characterized in that: A plurality of grooves are provided on the funnel-shaped inner wall of the cylinder silicone; the inner wall of the funnel of the cylinder silicone will be sunken toward the inner side of the funnel along the grooves in a natural state.

5. The hands-free breast pump according to claim 4, characterized in that: It also includes a milk bottle; the milk bottle is detachably connected to the breast pump host; when the breast pump host is connected to the milk bottle, the outlet of the duckbill valve is connected to the milk bottle.

6. The hands-free breast pump according to claim 5, characterized in that: The breast pump host comprises an air suction device; the air suction device is tightly connected to the vent hole through a pipeline.

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