CN219167268U - Rotating shaft mechanism of breast pump - Google Patents

Abstract

The utility model discloses a rotating shaft mechanism of a breast pump, which comprises a hollow base, a shield and an elastic cavity, wherein the shield comprises a lower funnel structure and an upper accommodating cavity, the front part of the funnel structure is flared outwards, the upper end and the lower end of the tail part of the funnel structure are respectively provided with a through hole and a liquid outlet, the through holes are communicated with the accommodating cavity, and the elastic cavity arranged in the accommodating cavity is communicated with an air inlet on the rear side wall of the hollow base; the upper surface of cavity base, preceding lateral wall upper end are equipped with mounting groove, installing port, the inside intercommunication of installing port and cavity base holds the pivot embedding mounting groove of chamber upper end and rotates to be connected, the rear end of guard shield stretches into in the cavity base from the installing port, and the rear end downside touches with the installing port lower extreme.

Description

Rotating shaft mechanism of breast pump

Technical Field

The utility model belongs to the technical field of mother and infant products, and particularly relates to a rotating shaft mechanism of a breast pump.

Background

The breast pump is a tool used for assisting in squeezing breast milk accumulated in a breast, and is mainly applied to a lactation period. The expressed breast milk is more convenient to store and feed, and the problem of milk rising of the mother is also reduced. Breast pumps are mainly divided into two types, manual breast pumps and electric breast pumps.

In the electric breast pump, the shield and the air bag parts are key parts, in the process of assembling the electric breast pump, the shield is attached to the breast of a mother, the air cylinder in the main machine sucks the air bag to form negative pressure for the inner space of the shield, and milk enters the feeding bottle through the shield and the tee joint. The upper edge of gasbag fits the one end of cover tee bend, and host computer detachably cover is established in the one end of tee bend at gasbag place and is compressed tightly the upper edge of gasbag for the stable installation of gasbag, and guarantee sufficient sealedly. After the electric breast pump is used, the breast pump needs to be cleaned in order to ensure the safety and the sanitation of use. When the cleaning device is used for cleaning, the host computer is required to be disassembled, then the air bags are disassembled, the components are disassembled and independently placed, the disassembly process is complex, and the parts are scattered, so that the rapid cleaning and reinstallation are not facilitated.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, and provides a rotating shaft mechanism of a breast pump, which can be opened and washed rapidly only by turning over a shield, and parts are not scattered.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a breast pump pivot mechanism, includes cavity base, guard shield and elastic cavity, the guard shield includes the funnel structure of lower floor and the chamber of holding of upper strata, and the front portion of funnel structure is the tubaeform and enlarges outward, and open respectively at the afterbody upper and lower end of funnel structure has through-hole, liquid outlet, the through-hole intercommunication holds the chamber, locates and holds the indoor elastic cavity and the air inlet intercommunication on the cavity base back lateral wall; the upper surface of the hollow base and the upper end of the front side wall are provided with an assembly groove and an installation opening, the installation opening is communicated with the interior of the hollow base, and a rotating shaft at the upper end of the accommodating cavity is embedded into the assembly groove and is rotationally connected; the rear end of the shield extends into the hollow base from the mounting opening, and the lower side of the rear end is contacted with the lower end of the mounting opening.

Further, the size of the opening part of the assembly groove is smaller than the diameter of the rotating shaft.

Further, two symmetrical parts of the rotating shaft are cut to form two symmetrical planes, and the distance between the two symmetrical planes is smaller than the size of the opening part of the assembly groove.

Further, the rotating shaft is fixed on the upper surface of the accommodating chamber, and the two symmetrical planes are respectively positioned at the upper end and the lower end of the rotating shaft.

Further, the inner side of the lower end of the mounting opening is provided with a first buckle, the outer wall of the rear end of the shield is provided with a groove, one side end of the groove is provided with a second buckle, the first buckle is embedded into the groove to be abutted against the second buckle, and the lower side of the rear end of the shield and the lower end of the mounting opening are fixed.

Further, the lower end of the mounting opening of the hollow base is provided with an elastic poking piece extending towards the inside of the hollow base, and the upper surface of the elastic poking piece is provided with the first buckle.

Further, the elastic poking piece adopts an upward arched arc piece, and the first buckle is positioned on one side of the arc piece, which is close to the mounting opening.

Further, the bending angle of the arc-shaped sheet is smaller than or equal to 90 degrees.

Furthermore, the mounting port adopts an inclined port with the upper end inclined inwards.

Further, the shield also includes a flexible flange secured to the front of the rigid funnel structure at a seam.

By adopting the technical scheme of the utility model, the beneficial effects of the utility model are as follows: the rotating shaft structure is convenient to disassemble and assemble, and the shield and the hollow base are opened in a rotating way during cleaning, so that the cleaning device can be directly washed without disassembling and does not need to scatter parts like a traditional breast pump; the special rotating shaft is matched with the mounting notch, so that the falling risk of the rotating shaft is avoided; the lower end of the shield is fixed with the hollow base by adopting a hidden buckle, so that the assembly firmness of the shield and the hollow base is improved; the milk outlet of the shield in the product is arranged in the hollow base in a hidden way, so that the use is safer and more sanitary.

Drawings

FIG. 1 is a perspective view of a breast pump spindle mechanism in a closed position assembled with a milk bottle;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a perspective view of the breast pump spindle mechanism in an extended position assembled with a milk bottle;

FIG. 4 is a cross-sectional view of FIG. 2;

fig. 5 is a perspective view of the shield.

In the figure: the feeding bottle comprises a 1 elastic cavity, a 2 protective cover, a 21 rotating shaft, a 211 symmetrical surface, a 22 accommodating cavity, a 23 through hole, a 24 liquid outlet, a 25 air inlet, a 26 groove, a 27 second buckle, a 28 flange, a 29 seam, a 210 funnel structure, a 3 hollow base, a 31 air inlet, a 32 assembling groove, a 33 mounting hole, a 34 first buckle, a 35 elastic pulling piece, a 4 feeding bottle and a 5 one-way valve.

Detailed Description

The technical scheme of the utility model is further described and illustrated by the following specific examples so as to make the utility model more clear and obvious. Other advantages and effects of the present utility model will be readily apparent to those skilled in the art from the present disclosure. The utility model is capable of other and different embodiments and its several details are capable of modification and variation in various respects, all without departing from the spirit of the present utility model. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.

As shown in fig. 1-5, the present embodiment relates to a rotation shaft mechanism of a breast pump, which comprises a hollow base 3, a shield 2 and an elastic cavity 1, wherein the shield 2 comprises a funnel structure 210 at the lower layer and a containing cavity 22 at the upper layer, the front part of the funnel structure 210 is flared outwards, the upper end and the lower end of the tail part of the funnel structure are respectively provided with a through hole 23 and a liquid outlet 24, the through holes 23 are communicated with the containing cavity 22, the elastic cavity 22 arranged in the containing cavity 22 is communicated with an air inlet 25 on the rear side wall of the hollow base 3, and the elastic cavity 1 is stressed to deform to form negative pressure on the funnel structure 210 through the through holes 23; the upper surface of the hollow base 3 and the upper end of the front side wall are provided with an assembly groove 32 and an installation opening 33, the installation opening 33 is communicated with the interior of the hollow base 3, and the rotating shaft 21 at the upper end of the accommodating cavity 22 is embedded into the assembly groove 32 and is rotationally connected; the rear end of the shield 2 extends into the hollow base 3 from the mounting opening 33, and the lower side of the rear end contacts with the lower end of the mounting opening 33.

The size of the opening D1 of the assembly groove 32 is smaller than the diameter D2 of the rotating shaft 21, that is, the lower end of the assembly groove 32 is circular, the inlet of the upper end is reduced, the clamped rotating shaft 21 is convenient to limit, and the rotating shaft is prevented from falling off in the rotating process.

In this embodiment, a one-way valve 5 is disposed at the lower end of the elastic cavity 1 to block the liquid outlet 24, and the air inlet 25 is connected with an air cylinder to suck the elastic cavity 1, the elastic cavity 1 blocks or opens the through hole 23 to form negative pressure in the funnel structure, the front part of the funnel structure is attached to the breast to suck milk, and the liquid outlet 24 and the one-way valve 5 at the rear part of the funnel structure flow into the hollow base 3.

Two symmetrical parts of the rotating shaft 21 are cut to form two symmetrical planes 211, and the distance between the two symmetrical planes 211 is smaller than the size of the opening part of the assembly groove. The specific positions of the rotating shaft 21 are as follows: the two symmetrical planes 211 are respectively positioned at the upper end and the lower end of the rotating shaft 21 and fixed on the upper surface of the accommodating chamber 22.

The inner side of the lower end of the mounting opening 33 is provided with a first buckle 34, the outer wall of the rear end of the shield 2 is provided with a groove 26, one side end part of the groove 26 forms a second buckle 27, the first buckle 34 is embedded into the groove 26 to be in conflict with the second buckle 27, and the lower side of the rear end of the shield 2 and the lower end of the mounting opening 33 are fixed. On the basis of upper end rotation connection, utilize the buckle cooperation of lower extreme to further fix guard shield and cavity base, when using to inhale milk, upper and lower end is all fixed, and is more firm in the use, when need opening the washing, only need press the lower extreme and relieve the buckle state, then upset upper end's guard shield 2.

In one embodiment, an elastic pulling piece 35 extending toward the inside of the hollow base 3 is provided at the lower end of the mounting opening 33 of the hollow base 3, and the first buckle 34 is provided on the upper surface of the elastic pulling piece 35.

Preferably, the elastic pulling piece 35 is an upwardly arched arc piece, and the first buckle 34 is located on one side of the arc piece near the mounting opening 33. The bending angle alpha of the arc-shaped sheet is smaller than or equal to 90 degrees.

The mounting opening 33 is an inclined opening with an upper end inclined inward.

As a preferred embodiment, the shield 2 further comprises a flexible flange 28, which is fixed to the front of the rigid funnel structure at a seam 29.

The lower end of the hollow base 3 is detachably connected with a milk storage container such as a milk bottle 4 by a conventional connection mode such as threads.

It should be noted that the illustrations provided in the above embodiments merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings rather than the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.

The foregoing description is only of the preferred embodiments of the utility model and the technical principles employed. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present utility model has been described in more detail by way of the above embodiments. The utility model is capable of other and equivalent embodiments and its several details are intended to be within the scope of the present disclosure.

Claims (10)

1. The utility model provides a breast pump pivot mechanism which characterized in that includes cavity base, guard shield and elasticity cavity, the guard shield includes the funnel structure of lower floor and the chamber of holding of upper strata, and the front portion of funnel structure is loudspeaker shape and enlarges outward, and open respectively at the afterbody upper and lower extreme of funnel structure has through-hole, liquid outlet, the through-hole intercommunication holds the chamber, locates the elasticity cavity in holding indoor and the air inlet intercommunication on the cavity base back lateral wall;

the upper surface of the hollow base and the upper end of the front side wall are provided with an assembly groove and an installation opening, the installation opening is communicated with the interior of the hollow base, and a rotating shaft at the upper end of the accommodating cavity is embedded into the assembly groove and is rotationally connected; the rear end of the shield extends into the hollow base from the mounting opening, and the lower side of the rear end is contacted with the lower end of the mounting opening.

2. The breast pump shaft assembly of claim 1, wherein the opening of the mounting slot is sized to be smaller than the diameter of the shaft.

3. A breast pump shaft assembly according to claim 1, wherein the two symmetrical portions of the shaft are cut to form two symmetrical surfaces, the distance between the two symmetrical surfaces being less than the size of the opening portion of the fitting groove.

4. A breast pump rotation shaft mechanism according to claim 3, wherein the rotation shaft is fixed to the upper surface of the housing, and the two symmetry planes are located at the upper and lower ends of the rotation shaft, respectively.

5. The rotary shaft mechanism of a breast pump according to claim 1, wherein a first buckle is arranged on the inner side of the lower end of the mounting opening, a groove is formed in the outer wall of the rear end of the shield, a second buckle is formed at one side end of the groove, and the first buckle is embedded into the groove to abut against the second buckle, so that the lower side of the rear end of the shield and the lower end of the mounting opening are fixed.

6. The rotary shaft mechanism of a breast pump of claim 5, wherein the lower end of the mounting opening of the hollow base is provided with an elastic poking piece extending towards the inside of the hollow base, and the upper surface of the elastic poking piece is provided with the first buckle.

7. The breast pump shaft assembly of claim 6, wherein the resilient paddle comprises an upwardly arched tab, and the first catch is located on a side of the arched tab adjacent the mounting opening.

8. The breast pump shaft assembly of claim 7, wherein the arcuate tab has a bend angle of less than or equal to 90 °.

9. The breast pump shaft assembly of claim 1 wherein said mounting opening is a beveled opening having an upper end that is beveled inwardly.

10. The breast pump spindle mechanism of claim 1, wherein the shield further comprises a flexible flange secured to the front of the rigid funnel structure at a seam.

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