Breast pump

Abstract

The utility model discloses a breast pump which comprises a breast pumping cover, a main machine and a milk bottle assembly. A breast sucking channel is formed in the breast sucking cover, a breast sucking opening is formed in one end of the breast sucking channel, and the breast sucking cover is arranged on the surface of a breast in a covering mode through the breast sucking opening. The main machine is connected with the breast suction cover and used for providing negative pressure for the breast suction cover during breast suction. The milk bottle assembly comprises a milk bottle cover and a milk bottle which are detachably connected, the milk bottle cover is detachably connected with the milk sucking cover in a clamped mode, and the milk bottle is communicated with the other end of the milk sucking channel through the milk bottle cover. According to the technical scheme, the milk pump is provided with the milk bottle cover, and the milk bottle cover is connected with the milk sucking cover in the clamping mode, so that convenience is improved when the milk bottle assembly and the milk sucking cover are assembled, the problem that milk is prone to overflowing from an opening of the milk bottle in the disassembly and assembly process is solved, and the use experience of a user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of maternal and infant products, in particular to a breast pump. Background Art

[0002] Breast pumps are widely used during the breastfeeding period to solve the problem of breastfeeding difficulties for mothers. Breast pumps generally include a main unit, a breast shield and a milk bottle. The milk bottle is connected to the milk suction channel of the breast shield. At the same time, the negative pressure generated by the main unit is used to suck out the milk in the breast and store it in the milk bottle. After the milk is sucked out, the milk bottle is removed for breastfeeding.

[0003] In the prior art, there are horizontal plug-in or threaded connection methods for connecting the feeding bottle and the breast shield. After using the breast pump, when removing the feeding bottle, the existing disassembly and assembly method is not easy to remove the feeding bottle alone, and during the removal process, milk is likely to spill, affecting the user experience. Utility Model Content

[0004] The main purpose of the utility model is to provide a breast pump, aiming to solve the problem that milk is easily spilled after the milk bottle of the existing breast pump is removed from the main machine.

[0005] To achieve the above-mentioned purpose, the breast pump proposed by the utility model comprises a breast shield, a main unit and a milk bottle assembly; the breast shield is formed with a milk suction channel inside, one end of the milk suction channel has a milk suction port, and the breast shield is disposed on the surface of the breast through the breast shield; the main unit is connected to the breast shield for providing the breast shield with negative pressure when sucking milk; the milk bottle assembly comprises a detachably connected milk bottle cover and a milk bottle, the milk bottle cover is detachably clamped to the breast shield, and the milk bottle is connected to the other end of the milk suction channel through the milk bottle cover.

[0006] In an embodiment of the present invention, the milk bottle cover and the breast shield are detachably connected along the vertical direction when the breast pump is in normal use.

[0007] In one embodiment of the utility model, the breast shield is provided with a connecting portion, the connecting portion includes a buckle, the bottle cap is provided with a slot, and the buckle can be snapped into the slot to snap the breast shield and the bottle cap into connection.

[0008] In an embodiment of the present invention, the connecting portion and / or the milk bottle cap can be elastically deformed so that the milk bottle cap is sleeved outside the connecting portion or the connecting portion is sleeved outside the milk bottle cap.

[0009] In one embodiment of the present invention, at least a portion of the buckle or the bottle cap has a greater hardness than the other;

[0010] And / or, one of the buckle or the bottle cap includes at least hard glue, and the other includes at least soft glue.

[0011] In one embodiment of the present invention, the hardness of the buckle is greater than the hardness of the bottle cap;

[0012] And / or, the slot is annular, and a plurality of buckles are provided and are distributed in annular intervals.

[0013] In one embodiment of the utility model, a protrusion is provided on the opening edge of the feeding bottle, a rotation groove is provided on the end surface of the feeding bottle cap facing the feeding bottle, and the feeding bottle cap is connected to the feeding bottle by spirally buckling the protrusion and the rotation groove.

[0014] In an embodiment of the present invention, the feeding bottle assembly further includes a one-way valve, the feeding bottle cap is provided with a through hole connecting the feeding bottle and the milk suction channel, and one end of the one-way valve is connected to the edge of the through hole.

[0015] In one embodiment of the utility model, the breast shield is provided with a connecting tube, the connecting tube is connected to the milk suction channel, the connecting tube is used to be connected to the one-way valve, and the milk passes through the milk suction channel, the connecting tube, the one-way valve in sequence and finally flows into the feeding bottle.

[0016] In an embodiment of the present invention, the buckle is ring-shaped, and the connecting pipe is arranged in the middle of the buckle.

[0017] The breast pump proposed in the technical solution of the utility model comprises a main unit, a breast shield and a milk bottle assembly, wherein the main unit is used to provide negative pressure during milk extraction. A milk extraction channel is formed inside the breast shield, and one end of the milk extraction channel has a milk extraction port. When milk extraction is performed, the milk extraction port is directed toward the breast and the breast shield is placed on the surface of the breast. The milk bottle of the milk bottle assembly is connected to the milk extraction channel, and under the negative pressure provided by the main unit, the milk flows from the milk extraction port through the milk extraction channel to the milk bottle. The milk bottle is detachably connected to the breast shield through a milk bottle cover, and the connection between the milk bottle cover and the breast shield can be a snap connection. Therefore, when installing the milk bottle, the milk bottle and the breast shield can be connected by simply snapping the milk bottle cover on the breast shield. When the milk bottle needs to be removed, the milk bottle cover only needs to be pulled out from the breast shield to complete the removal of the milk bottle, thereby improving the convenience of disassembling and assembling the milk bottle. Furthermore, by providing a milk bottle cover, the milk bottle cover and the milk bottle remain connected during the process of removing the milk bottle assembly from the breast shield, and the milk bottle cover prevents the milk bottle from spilling, thereby solving the problem that milk is easily spilled from the opening of the milk bottle during the removal process. When breastfeeding is needed, the milk bottle cover and the milk bottle can be separated, thereby improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0019] Figure 1 It is a top view of the breast pump of the utility model;

[0020] Figure 2 for Figure 1 An exploded view of a breast pump;

[0021] Figure 3 for Figure 2 A schematic diagram of the structure of a breast shield in a breast pump;

[0022] Figure 4 for Figure 3 Exploded image of a sucking bra;

[0023] Figure 5 for Figure 2 Schematic diagram of the structure of the bottle cover in the breast pump;

[0024] Figure 6 for Figure 2 Schematic diagram of the structure of a one-way valve in a breast pump;

[0025] Figure 7 for Figure 2 Schematic diagram of the structure of the bottle in the breast pump;

[0026] Figure 8 for Figure 1 Section view along AA;

[0027] Fig. 9 for Figure 8 A partial enlarged schematic diagram at B;

[0028] Fig.10 for Figure 8 A partial enlarged schematic diagram at point C.

[0029] Description of Figure Numbers:

[0030]

[0031]

[0032] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0035] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] In addition, in the present utility model, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. The meanings of "and / or" and "and / or" appearing in the full text are the same, both indicating that three parallel solutions are included. Taking "A and / or B as an example", it includes solution A, or solution B, or a solution that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0037] The utility model provides a breast pump 1.

[0038] Combination Figure 1-Figure 2 and Figure 8As shown, in one embodiment of the present invention, the breast pump 1 includes a main unit 10, a breast shield 20 and a milk bottle assembly 30; the breast shield 20 is formed with a milk suction channel 21 inside, and one end of the milk suction channel 21 has a milk suction port 25, and the breast shield 20 is covered on the surface of the breast through the milk suction port 25; the main unit 10 is connected to the breast shield 20 to provide negative pressure to the breast shield 20 during milk suction; the milk bottle assembly 30 includes a detachably connected milk bottle cover 31 and a milk bottle 32, the milk bottle cover 31 is detachably connected to the breast shield 20, and the milk bottle 32 is connected to the other end of the milk suction channel 21 through the milk bottle cover 31.

[0039] In this embodiment, the host 10 includes a housing 13, a negative pressure pump, a negative pressure pipeline and a control system. The negative pressure pump is used to generate the negative pressure required for breast pumping. The negative pressure pump is connected to the breast pumping channel 21 of the breast shield 20 through the negative pressure pipeline, and the control system controls the opening and closing of the negative pressure pump or adjusts the power of the negative pressure pump. The breast pumping channel 21 formed inside the breast shield 20 is used to guide the flow of milk and negative pressure gas. One end of the breast pumping channel 21 has a hole for breast pumping port 25, and the other end has a hole connected to the negative pressure pump of the host 10. The inner wall of the breast pumping channel 21 is also provided with an opening connected to the milk bottle 32.

[0040] Of course, in another embodiment, the host 10 can also be a driving motor, and the portion of the breast shield 20 close to the breast suction port 25 is made of elastic material. Therefore, the breast shield 20 is driven by the host 10 to move toward the direction close to the breast to squeeze the space inside the breast suction channel 21, thereby forming a negative pressure environment, and the function of breast suction can also be achieved. This application only describes the structure of the host 10 with a negative pressure pump.

[0041] When breastfeeding, the side of the breast shield 20 with the breast suction port 25 is attached to the breast, the negative pressure pump of the main unit 10 is turned on, and the milk is sucked into the breast suction channel 21 through the breast suction port 25. After the milk enters the breast suction channel 21, it flows into the milk bottle 32 through the opening connected to the milk bottle 32, thereby achieving the function of breast suction. Therefore, in this embodiment, the breast suction port 25 is arranged on the side of the breast shield 20 away from the main unit 10, so as to facilitate attachment to the breast, the opening for connecting the negative pressure pump and the breast suction channel 21 is arranged on the side away from the breast suction port 25 and is arranged near the top of the breast shield 20, and the opening for connecting the milk bottle 32 and the breast suction channel 21 is arranged near the bottom of the breast shield 20, so that the milk entering the breast suction channel 21 can easily flow into the milk bottle 32, and at the same time, the milk is prevented from entering the negative pressure pump of the main unit 10 through the opening.

[0042] At the same time, the breast pump 1 proposed in the present application is also provided with a milk bottle cover 31, which can be fixedly connected to the milk bottle 32 or detachably connected, and the milk bottle cover 31 and the breast shield 20 can be detachably connected. Therefore, when breastfeeding is needed, it is only necessary to connect the milk bottle cover 31 to the breast shield 20, thereby improving the convenience of assembling the milk bottle 32 and the breast shield 20, thereby improving the user experience. It can be understood that the milk bottle 32 is also provided with an opening connected to the milk suction channel 21, and the milk bottle cover 31 can be set on the periphery of the opening. In this case, the milk bottle cover 31 also needs to be provided with an opening, so that the milk bottle cover 31 has two functions of connecting the milk bottle 32 and the breast shield 20 and guiding milk; the milk bottle cover 31 can also be set on one side of the opening, in which case the milk bottle cover 31 only plays a connecting role, and the opening of the milk bottle 32 is directly connected to the milk suction channel 21 of the breast shield 20.

[0043] Combination Figure 2 As shown, in one embodiment of the present invention, the milk bottle cover 31 and the breast shield 20 are detachably connected along the vertical direction when the breast pump 1 is in normal use.

[0044] It can be understood that when the breast pump 1 is in normal use, the breast suction port 25 of the breast shield 20 is arranged on the side of the breast shield 20 to facilitate breast suction; the opening for the breast shield 20 to communicate with the milk bottle cover 31 is located below the breast shield 20 to facilitate milk to flow into the milk bottle 32 through the milk bottle cover 31. The present application provides a detachable connection between the milk bottle cover 31 and the bottom of the breast shield 20, which facilitates the assembly of the milk bottle 32 and the breast shield 20 and prevents milk from spilling when the milk bottle 32 is removed.

[0045] Combination Figure 2-Figure 5 and Fig. 9 As shown, in one embodiment of the present invention, a connecting portion 22 is provided on the breast shield 20, and the connecting portion 22 includes a buckle 221. A slot 311 is provided on the bottle cap 31, and the buckle 221 can be snapped into the slot 311 to snap the breast shield 20 and the bottle cap 31 together.

[0046] In this embodiment, the buckle 221 is located on the side of the connecting portion 22 facing the bottle cap 31. When the buckle 221 is inserted into the slot 311, the buckle 221 abuts against the slot wall of the slot 311, so that the buckle 221 is deformed, and the buckle 221 is engaged in the slot 311 under the action of elastic force. Of course, the slot wall of the slot 311 can also be made of elastic material, so that the buckle 221 squeezes the slot wall of the slot 311 and is inserted into the slot, and the buckle 221 can also be engaged in the slot 311. By providing the buckle 221 and the slot 311, when it is necessary to install or remove the bottle 32, it is only necessary to buckle the breast shield 20 and the bottle cap 31 up and down or pull the bottle 32 and the bottle cap 31 out of the breast shield 20, thereby improving the convenience of operation. In other embodiments, the buckle 221 may be disposed on the bottle cap 31 , and the slot 311 may be opened on the breast shield 20 .

[0047] In an embodiment of the present invention, the connecting portion 22 and / or the bottle cap 31 can be elastically deformed so that the bottle cap 31 is sleeved outside the connecting portion 22 or the connecting portion 22 is sleeved outside the bottle cap 31 .

[0048] In this embodiment, it can be seen from the above that the connection part 22 and the milk bottle cap 31 are connected by the buckle 221 and the slot 311, so the connection part 22 and / or the milk bottle cap 31 are designed to be elastically deformable, thereby improving the convenience of the two when they are connected and assembled. Specifically, the connection part 22 may include a cantilever, the buckle 221 is connected to the cantilever, and the cantilever of a certain length may also make the connection part 22 or the milk bottle cap 31 at least partially use elastic material, which can improve the convenience of the milk bottle cap 31 being sleeved on the outside of the connection part 22 or the connection part 22 being sleeved on the outside of the milk bottle cap 31, and at the same time, the two are elastically abutted after assembly, further improving the connection strength of the two.

[0049] In one embodiment of the present invention, at least a portion of the buckle 221 or the bottle cap 31 has a greater hardness than the other;

[0050] And / or, one of the buckle 221 or the bottle cover 31 at least includes hard glue, and the other at least includes soft glue.

[0051] In this embodiment, the hardness of the buckle 221 and the bottle cap 31 are designed to be different, so that when the buckle 221 and the slot 311 of the bottle cap 31 are matched, one squeezes the other, thereby increasing the contact area between the two, and further improving the connection stability of the buckle 221 and the bottle cap 311.

[0052] With or without limiting the hardness of the buckle 221 and the bottle cap 311, the material of one of the buckle 221 and the bottle cap 311 includes hard rubber and the other includes soft rubber, so that when the two are engaged and snapped together, while ensuring elastic engagement and abutment, the friction between the two can be increased, thereby improving the stability of the engagement between the two.

[0053] Combination Fig. 9 As shown, in one embodiment of the present invention, the hardness of the buckle 221 is greater than the hardness of the bottle cap 31;

[0054] And / or, the locking groove 311 is annular, and a plurality of locking buckles 221 are provided and are distributed in annular intervals.

[0055] In this embodiment, the buckle 221 is a protrusion formed by the connection part 22 extending toward one side of the bottle cap 31. In order to improve the stability of the buckle 221 and the bottle cap 31, it is preferred to open the slot 311 on the inner wall of the bottle cap 31, and the bottle cap 31 is sleeved on the outer side of the connection part 22, so that the buckle 221 is engaged in the slot 311. At the same time, the buckle 221 has a long cantilever, so the hardness of the buckle 221 is designed to be greater than the hardness of the bottle cap 31, so that the buckle 221 has good elasticity and improves the structural strength of the buckle 221, thereby increasing the maximum number of times the bottle cap 31 and the breast shield 20 can be disassembled.

[0056] In the case of limiting or not limiting the hardness of the buckle 221 and the bottle cap 31, a ring-shaped groove 311 can be formed by recessing the inner wall of the bottle cap 31. A plurality of buckles 221 are provided, and the plurality of buckles 221 are also arranged in a ring-shaped interval and are all engaged with the groove wall of the groove 311. The shapes of the plurality of buckles 221 and the groove 311 are adapted so that each buckle 221 is closely matched with the groove wall of the groove 311, thereby further improving the stability of the connection between the breast shield 20 and the bottle cap 31.

[0057] After using the breast pump 1, when removing the milk bottle 32, only the milk bottle 32 can be removed without removing the breast shield 20, which is easy and convenient to operate. In addition, during the removal process, since the milk bottle cover 31 is connected to the milk bottle 32, it is not easy for milk to spill. After the milk bottle 32 is removed, the milk bottle cover 31 can be taken off and covered with a completely sealed bottle cap to refrigerate or store the milk bottle 32 in other ways.

[0058] Combination Figure 5 and Figure 7 As shown, in one embodiment of the present invention, a protrusion 321 is provided on the opening edge of the feeding bottle 32, and a rotation groove 314 is provided on the end surface of the feeding bottle cover 31 facing the feeding bottle 32, and the feeding bottle cover 31 and the feeding bottle 32 are connected by screwing the protrusion 321 and the rotation groove 314.

[0059] In one embodiment of the utility model, the milk bottle cover 31 and the milk bottle 32 are also detachably connected, so that the milk bottle 32 can be assembled or disassembled by assembling or disassembling the milk bottle cover 31 and the breast shield 20, or by assembling or disassembling the milk bottle cover 31 and the milk bottle 32. At the same time, after the milk bottle cover 31 and the milk bottle 32 are disassembled, it is also convenient to clean the milk bottle 32 and the milk bottle cover 31. Specifically, the rotating groove 314 provided on the milk bottle cover 31 is arranged upwardly around the circumferential spiral of the milk bottle cover 31, and a notch is provided on one side of the rotating groove 314 close to the milk bottle 32, and the protrusion 321 provided on the opening edge of the milk bottle 32 enters the rotating groove 314 through the notch, and the milk bottle cover 31 is rotated to make the milk bottle cover 31 and the milk bottle 32 spirally connected.

[0060] Furthermore, a plurality of protrusions 321 may be provided on the milk bottle 32, and a plurality of rotation grooves 314 may be provided on the milk bottle cover 31, and each protrusion 321 is screw-fastened and connected with a rotation groove 314, thereby improving the stability of the connection between the milk bottle cover 31 and the milk bottle 32. In other embodiments, the milk bottle cover 31 and the milk bottle 32 may also be configured to be connected in a snap-fit ​​or plug-in manner.

[0061] Combination Figure 2 As shown, in one embodiment of the present invention, the feeding bottle assembly 30 further includes a one-way valve 33, and the feeding bottle cover 31 is provided with a through hole 312 connecting the feeding bottle 32 and the milk suction channel 21, one end of the one-way valve 33 is connected to the edge of the through hole 312, and the other end is inserted into the feeding bottle 32.

[0062] In this embodiment, the one-way valve 33 has a one-way flow guiding function. By arranging the one-way valve 33 in the through hole 312, the milk can enter the milk bottle 32 through the milk suction channel 21, the through hole 312 and the one-way valve 33. At the same time, the one-way valve 33 is connected to the milk bottle cover 31, so that after the milk suction is completed and the milk bottle cover 31 and the breast shield 20 are separated, the one-way valve 33 arranged on the milk bottle cover 31 can prevent the milk from overflowing from the milk bottle 32.

[0063] Combination Figure 5-Figure 6 , Figure 8-Figure 9 As shown, in one embodiment of the present invention, a limiting groove 331 is defined at the end of the one-way valve 33 away from the feeding bottle 32 , and the edge of the through hole 312 is snap-fitted into the limiting groove 331 .

[0064] In this embodiment, the connection mode of the one-way valve 33 and the milk bottle cap 31 is designed to be detachable, so after the milk pumping is finished, the one-way valve 33 and the milk bottle cap 31 can be disassembled, so as to facilitate the cleaning of the one-way valve 33 and the milk bottle cap 31. Specifically, the connection mode of the one-way valve 33 and the milk bottle cap 31 can be a snap connection, and the edge of the through hole 312 of the milk bottle cap 31 can be made of a material with a certain elasticity. When the one-way valve 33 is inserted into the through hole 312, the edge of the through hole 312 is deformed under the pressure of the one-way valve 33. When the one-way valve 33 is inserted into the position of the limiting groove 331, the edge of the through hole 312 recovers the deformation and is limited in the limiting groove 331, so that the one-way valve 33 and the milk bottle cap 31 are snap-connected. Therefore, when the one-way valve 33 and the milk bottle cap 31 are connected, it is only necessary to insert the one-way valve 33 into the through hole 312, thereby improving the convenience of the connection between the two. In other embodiments, the one-way valve 33 and the bottle cap 31 may also be configured as an integrally formed structure.

[0065] Combination Figure 3 , Figure 8 and Fig. 9 As shown, in one embodiment of the present invention, a connecting tube 26 is protruded from the side of the breast shield 20 facing the feeding bottle 32, the connecting tube 26 is connected to the milk suction channel 21, and the connecting tube 26 is used to be connected to the one-way valve 33. The milk passes through the milk suction channel 21, the connecting tube 26, and the one-way valve 33 in sequence, and finally flows into the feeding bottle 32.

[0066] In this embodiment, when the one-way valve 33 is inserted into the through hole 312 of the bottle cap 31, the milk in the milk suction channel 21 is guided into the bottle 32 through the one-way valve 33. By providing the connecting tube 26 and inserting the connecting tube 26 into the one-way valve 33, the milk is prevented from flowing out of the outside of the one-way valve 33. Furthermore, a step is provided on the inner wall of the one-way valve 33. When the connecting tube 26 is inserted into the one-way valve 33, the end of the connecting tube 26 abuts against the step in the one-way valve 33. The step plays a role of limiting and guiding the connecting tube 26, thereby improving the convenience of connecting the connecting tube 26 and the one-way valve 33.

[0067] Combination Figure 3 As shown, in one embodiment of the present invention, the buckle 221 is annular, and the connecting tube 26 is arranged in the middle of the buckle 221. The buckle 221 is designed to be annular and matches the opening of the milk bottle cover 31, and the slot 311 of the milk bottle cover 31 is also opened on the inner wall of the opening. Therefore, the connecting tube 26 is arranged in the middle of the buckle 221 to improve the compactness of the connection part 22, the connecting tube 26 and the milk bottle cover 31, and reduce the structural volume of the breast pump 1.

[0068] Combination Figure 5As shown, in one embodiment of the present invention, the bottle cap 31 further includes a grip portion 315, which is convexly disposed on the outer peripheral side of the bottle cap 31. The grip portion 315 is used to facilitate the operator to hold the bottle cap 31 when it is connected to the breast shield 20, the one-way valve 33 and the bottle 32. Further, two grip portions 315 are provided, and the two grip portions 315 are respectively disposed on opposite sides of the bottle cap 31, further improving the convenience of holding the bottle cap 31 and screwing it with the bottle 32.

[0069] Combination Figure 2 , Figure 8 and Fig.10 As shown, in one embodiment of the utility model, a negative pressure connector 23 connected to the milk suction channel 21 is provided on the surface of the breast shield 20, and the host 10 includes a shell 13 and a negative pressure pump. A negative pressure interface 11 connected to the negative pressure pump is opened on the surface of the shell 13, and the negative pressure connector 23 is plugged into the negative pressure interface 11 to connect the host 10 and the milk suction channel 21.

[0070] In this embodiment, a mounting cavity is formed inside the housing 13, and the negative pressure pump is arranged in the mounting cavity. At the same time, the housing 13 is recessed on one side facing the breast shield 20 to form a mounting groove 12, and the breast shield 20 is embedded in the mounting groove 12. The shapes of the mounting groove 12 and the breast shield 20 are adapted. The negative pressure interface 11 is provided on the groove wall of the mounting groove 12 and is connected to the negative pressure pump. The shape of the negative pressure connector 23 is adapted to the negative pressure interface 11. The mounting groove 12 and the breast shield 20 can be set to be a special shape or a non-rotationally symmetrical shape, which plays a role of limiting and foolproofing during assembly, and also facilitates the insertion of the negative pressure connector 23 into the negative pressure interface 11 when the breast shield 20 is inserted into the mounting groove 12.

[0071] Combination Figure 3 , Figure 4 and Figure 8 As shown, an airbag 27 is further provided between the negative pressure connector 23 and the milk suction channel 21, the negative pressure connector 23 is connected to the airbag 27, and an opening is provided on the side of the milk suction channel 21 close to the airbag 27. When the negative pressure pump is turned on, the airbag 27 is evacuated through the negative pressure connector 23, and the airbag 27 contracts and provides a negative pressure for milk suction to the milk suction channel 21. By providing the airbag 27, the negative pressure for milk suction is achieved, and milk can be prevented from entering the main unit 10, thereby improving the safety of the main unit 10.

[0072] Furthermore, the breast suction opening 25 is designed to be trumpet-shaped, and a breast suction pad 24 is provided at the breast suction opening 25. The breast suction pad 24 has a certain elasticity, thereby improving the tightness of the breast shield 20 fitting the breast during breastfeeding.

[0073] Combination Figure 2 , Figure 8 and Fig.10As shown, in one embodiment of the present invention, an elastic member 111 is disposed on the inner wall of the negative pressure interface 11 , and the elastic member 111 elastically abuts against the negative pressure connector 23 .

[0074] The elastic member 111 can be a sealing gasket with a certain elasticity, so that the negative pressure joint 23 and the elastic member 111 are interference-fitted, which improves the sealing effect of the connection between the negative pressure joint 23 and the negative pressure interface 11 and ensures the stability of breast pumping. In addition, the inner wall of the negative pressure interface 11 can be made of elastic material, and the elastic member 111 is formed by a protrusion on the inner wall of the negative pressure interface 11, which can also achieve the above effect.

[0075] Combination Figure 2 and Figure 8 As shown, in one embodiment of the present invention, the breast pump 1 further comprises a dust cover 40, which is detachably arranged on the side of the breast shield 20 where the breast suction port 25 is arranged. By arranging the dust cover 40, when the breast pump 1 is not needed for breast suction, dust is reduced from entering the breast shield 20, thereby improving the cleanliness of the breast pump 1.

[0076] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A breast pump, characterized in that: include: A breast shield, wherein a milk suction channel is formed inside the breast shield, one end of the milk suction channel has a milk suction port, and the breast shield is disposed on the surface of the breast through the milk suction port; A host, the host is connected to the breast shield and is used to provide negative pressure to the breast shield during breast pumping; as well as A feeding bottle assembly comprises a detachably connected feeding bottle cover and a feeding bottle, wherein the feeding bottle cover is detachably snap-connected to the breast shield, and the feeding bottle is connected to the other end of the milk suction channel through the feeding bottle cover.

2. The breast pump according to claim 1, characterized in that The milk bottle cover and the breast shield are detachably plugged in a vertical direction when the breast pump is in a normal use state.

3. The breast pump according to claim 1, characterized in that The breast shield is provided with a connecting part, and the connecting part includes a buckle. The bottle cap is provided with a clamping groove, and the buckle can be clamped in the clamping groove to clamp the breast shield and the bottle cap.

4. A breast pump according to claim 3, characterized in that The connecting portion and / or the milk bottle cap can be elastically deformed so that the milk bottle cap is sleeved outside the connecting portion or the connecting portion is sleeved outside the milk bottle cap.

5. A breast pump according to any one of claims 3 to 4, characterized in that At least a portion of the buckle or the bottle cap has a greater hardness than the other; And / or, one of the buckle or the bottle cap includes at least hard glue, and the other includes at least soft glue.

6. A breast pump according to any one of claims 3 to 4, characterized in that The hardness of the buckle is greater than the hardness of the bottle cap; And / or, the slot is annular, and a plurality of buckles are provided and are distributed in annular intervals.

7. A breast pump according to any one of claims 1 to 4, characterized in that The opening edge of the milk bottle is provided with a convex block, the end surface of the milk bottle cover facing the milk bottle is provided with a rotation groove, and the milk bottle cover is connected with the milk bottle through the spiral buckle of the convex block and the rotation groove.

8. A breast pump according to any one of claims 3 to 4, characterized in that The feeding bottle assembly also includes a one-way valve. The feeding bottle cap is provided with a through hole communicating the feeding bottle and the milk suction channel. One end of the one-way valve is connected to the edge of the through hole.

9. A breast pump according to claim 8, characterized in that The breast shield is provided with a connecting tube, the connecting tube is connected to the milk suction channel, the connecting tube is used to be connected to the one-way valve, and the milk passes through the milk suction channel, the connecting tube, the one-way valve in sequence and finally flows into the feeding bottle.

10. A breast pump according to claim 9, characterized in that The buckle is ring-shaped, and the connecting pipe is arranged in the middle of the buckle.

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