CN214789208U - One-way valve structure and breast pump - Google Patents

Abstract

The utility model provides a check valve structure and breast pump, check valve structure include tee bend and check valve, the check valve includes valve body and valve block, the valve body has import and export down, the tee bend include with the milk liquid export that the last mouth of going up is connected, the export is suitable for and stores up the feeding bottle intercommunication down, the upper surface lid of valve block is located the milk liquid export, the lower surface of valve block with export the intercommunication down. Check valve structure, with the valve block direct with the valve port that milk export cooperation formed the check valve, compact structure is short and small, the installation is simple reliable, under the condition of guaranteeing the check valve structure and realizing the one-way function that switches on, the valve port position improves greatly for the whole length of check valve shortens greatly, has saved the occupation space of check valve in storing up the feeding bottle, so that it holds more milk to store up the feeding bottle.

Description

One-way valve structure and breast pump

Technical Field

The utility model relates to a mother and infant articles for use technical field particularly, relates to a check valve structure and breast pump.

Background

The breast pump is a tool for sucking out breast milk accumulated in a mammary gland, and internal air pressure change, namely circular sucking and releasing operations, is realized through an internal vacuum negative pressure pump so as to imitate the action of sucking and allowing breast milk by a baby and achieve the aim of sucking milk.

Can set up the check valve that prevents to store up milk liquid in the feeding bottle against current in the storage feeding bottle of breast pump, this check valve adopts the duckbilled valve frequently at present, and the duckbilled valve includes valve body and two valve blocks that are located the valve body bottom, and the bottom of two valve blocks is laminated each other, can prevent to store up milk liquid in the feeding bottle against the current, and after milk liquid got into the valve body from the tee bend, two valve blocks that make the check valve under the effect of gravity separated each other, and then made milk liquid enter into the storage feeding bottle. However, the one-way valve with the structure has longer length and occupies large space in the milk storage bottle, thereby influencing the storage amount of milk in the milk storage bottle.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one aspect among the above-mentioned problem, the utility model discloses at first provide a check valve structure, including tee bend and check valve, the check valve includes valve body and valve block, the valve body has import and export down, the tee bend include with the milk liquid export that the last mouth is connected, the export is suitable for and stores up the feeding bottle intercommunication down, the upper surface lid of valve block is located the milk liquid export, the lower surface of valve block with export intercommunication down.

Optionally, the lower outlet is provided with a bridging strip, the bridging strip is provided with a supporting column, and two ends of the supporting column are respectively connected with the lower surface of the valve plate and the bridging strip.

Optionally, the check valve is made of food-grade liquid silica gel.

Optionally, the tee joint is a plastic piece made of transparent materials.

Optionally, the milk outlet is provided with a blocking rib.

Optionally, the blocking rib is a Y-shaped blocking rib.

Optionally, the upper inlet is sleeved outside the milk outlet.

Optionally, a sealing connection structure is arranged between the upper inlet and the milk outlet.

Optionally, the sealing connection structure includes annular sand grip and annular groove of mutually supporting, the outer wall of milk export is equipped with annular sand grip, the inner wall of going up the import is equipped with annular groove.

Compared with the prior art, the utility model provides a check valve structure, with the valve block direct with the valve port that milk export cooperation formed the check valve, compact structure is short and small, the installation is simple reliable, under the condition of guaranteeing the check valve structure and realizing the one-way function that switches on, the valve port position improves greatly for the whole length of check valve shortens greatly, has saved the occupation space of check valve in storing up the feeding bottle, so that it holds more milk to store up the feeding bottle.

In addition, the utility model provides a breast pump, including as above the check valve structure.

Compared with the prior art, the breast pump is the same with the advantage that above-mentioned check valve structure has for prior art, no longer gives unnecessary details here.

Drawings

FIG. 1 is a partial exploded view of a breast pump according to an embodiment of the present invention;

fig. 2 is a top view of a check valve structure according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a cross-sectional view of a tee in accordance with an embodiment of the present invention;

fig. 5 is a cross-sectional view of a check valve according to an embodiment of the present invention.

Description of reference numerals:

1. a tee joint; 11. a milk outlet; 12. blocking ribs; 13. an annular rib; 2. a one-way valve; 21. a valve body; 22. a valve plate; 23. an upper inlet; 231. an annular groove; 24. a lower outlet; 25. a bridge bar; 26. a support pillar; 3. and (4) storing the milk bottle.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it should be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on normal use of the product.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

The embodiment of the utility model provides a check valve structure combines fig. 1, fig. 3, fig. 5 to show, including tee bend 1 and check valve 2, check valve 2 includes valve body 21 and valve block 22, valve body 21 has last import 23 and exports 24 down, tee bend 1 include with the milk liquid export 11 of going up import 23 connection, export 24 is suitable for and stores up milk bottle 3 intercommunication down, the upper surface lid of valve block 22 is located milk liquid export 11, the lower surface of valve block 22 with export 24 intercommunication down.

The valve body 21 is of a hollow cylindrical structure, the valve plate 22 is arranged between the upper inlet 23 and the lower outlet 24, the valve plate 22 is of a circular sheet-like structure and has certain elasticity, milk is gathered to the milk outlet 11 during milk suction, the valve plate 22 deforms downwards under the action of the gravity of the milk, the edge of the valve plate 22 is separated from the milk outlet 11, the milk flows to the lower outlet 24, and finally the milk enters the milk storage bottle 3; the milk storage bottle 3 is made of PP or edible transparent materials and is used for storing milk and facilitating the user to check the milk storage condition.

The check valve structure in this embodiment, directly form the valve port of check valve 2 with the cooperation of valve block 22 with milk export 11, compact structure is short and small, and the installation is simple reliable, under the condition of guaranteeing that the check valve structure realizes the one-way function of switching on, the valve port position improves greatly for the whole length of check valve 2 shortens greatly, has saved the occupation space of check valve 2 in storing up feeding bottle 3, so that it holds more milk to store up feeding bottle 3.

Optionally, as shown in fig. 5, the lower outlet 24 is provided with a bridge bar 25, the bridge bar 25 is provided with a support column 26, and two ends of the support column 26 are respectively connected to the lower surface of the valve plate 22 and the bridge bar 25.

Wherein, bridging strip 25 arch setting is under export 24 down to reserve the deformation activity space of valve block 22, bridging strip 25 is long and narrow bar structure, and its both ends symmetric connection is export 24 down, ensures to be used for under the circumstances of connecting support column 26, reduces the space occupation of export 24 down as far as possible, so that guarantee the volume of milk of check valve 2. In this embodiment, the structure of the check valve 2 is simple and compact, and the support structure of the valve plate 22 is simple and reliable.

Optionally, the material of the check valve 2 is food-grade liquid silica gel. The edible liquid silica gel material is healthy and environment-friendly, harmless to human bodies, excellent in elasticity and fatigue resistance, long in service life and capable of effectively preventing milk in the milk storage bottle 3 from reversely flowing back to the tee joint 1.

Optionally, the tee 1 is a plastic piece made of a transparent material. Wherein, the tee joint 1 is made of PP or other plastic pieces made of transparent materials and used for fixing the air bag and the cup; the tee joint 1 is made of a plastic piece made of transparent materials, so that the appearance is attractive, and the user can observe the milk sucking condition conveniently.

Optionally, as shown in fig. 2 and 4, the milk outlet 11 is provided with a rib 12. The area of the valve plate 22 is slightly larger than the sectional area of the milk outlet 11, and the valve plate 22 has a certain deformation amount, and the blocking rib 12 abutted against the valve plate 22 is arranged in the milk outlet 11 so as to ensure that the valve plate 22 can be prevented from upwards entering the tee joint 1 when the valve plate 22 receives an upward deformation force, and further ensure that the check valve 2 can normally work.

Optionally, the rib 12 is a Y-shaped rib. In this embodiment, the Y-shaped rib can prevent the valve plate 22 from deforming upwards, and can ensure that milk can smoothly and rapidly flow into the milk storage bottle 3 through the one-way valve 2 when the valve plate 22 deforms downwards.

Optionally, as shown in fig. 3 and 5, the upper inlet 23 is sleeved outside the milk outlet 11, so that the overall structure is more compact and short, and the milk storage amount of the milk storage bottle 3 is increased.

Optionally, as shown in fig. 3, 4 and 5, a sealing connection structure is provided between the upper inlet 23 and the milk outlet 11 to ensure that the milk in the milk bottle 3 flows backward from the connection gap between the upper inlet 23 and the milk outlet 11.

Optionally, as shown in fig. 3, 4, and 5, the sealing connection structure includes an annular protruding strip 13 and an annular groove 231, which are engaged with each other, the annular protruding strip 13 is disposed on an outer wall of the milk outlet 11, and the annular groove 231 is disposed on an inner wall of the upper inlet 23.

Wherein, the position of the annular groove 231 is higher than that of the valve plate 22, so as to ensure that the lower outlet 24 can be unblocked with the milk storage bottle 3; the sealing connection structure adopts the structure that the annular convex strip 13 and the annular groove 231 are matched with each other, the structure is simple and reliable, and the installation is convenient.

Another embodiment of the present invention provides a breast pump, comprising the check valve structure as described above.

The breast pump in this embodiment, directly form the valve port of check valve 2 with the cooperation of valve block 22 with milk export 11, compact structure is short and small, and the installation is simple reliable, under the condition of guaranteeing that the check valve structure realizes the one-way function of switching on, the valve port position improves greatly for the whole length of check valve 2 shortens greatly, has saved the occupation space of check valve 2 in storing up feeding bottle 3, so that it holds more milk to store up feeding bottle 3.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.

Claims (10)

1. The utility model provides a check valve structure, its characterized in that, includes tee bend (1) and check valve (2), check valve (2) include valve body (21) and valve block (22), valve body (21) have import (23) and export (24) down, tee bend (1) include with milk liquid export (11) that last import (23) are connected, export (24) are suitable for and store up feeding bottle (3) intercommunication down, the upper surface lid of valve block (22) is located milk liquid export (11), the lower surface of valve block (22) with export (24) intercommunication down.

2. The structure of a check valve according to claim 1, characterized in that the lower outlet (24) is provided with a bridge bar (25), the bridge bar (25) is provided with a support column (26), and two ends of the support column (26) are respectively connected with the lower surface of the valve plate (22) and the bridge bar (25).

3. The check valve structure according to claim 1, characterized in that the material of the check valve (2) is food grade liquid silica gel.

4. The structure of a one-way valve according to claim 1, characterized in that said tee (1) is a plastic piece of transparent material.

5. A one-way valve arrangement according to claim 1, wherein the milk outlet (11) is provided with a retaining rib (12).

6. Structure as claimed in claim 5, characterized in that said stop rib (12) is a Y-shaped stop rib.

7. A one-way valve arrangement according to claim 1, wherein the upper inlet (23) is sleeved outside the milk outlet (11).

8. A one-way valve arrangement according to any one of claims 1-7, wherein a sealing connection is provided between the upper inlet (23) and the milk outlet (11).

9. The one-way valve structure according to claim 8, wherein the sealing connection structure comprises an annular rib (13) and an annular groove (231) which are mutually matched, the annular rib (13) is arranged on the outer wall of the milk outlet (11), and the annular groove (231) is arranged on the inner wall of the upper inlet (23).

10. A breast pump comprising a one-way valve arrangement as claimed in any one of claims 1 to 9.

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