CN219579533U - Breast pump assembly with novel cylinder structure - Google Patents

Abstract

The utility model discloses a breast pump assembly with a novel cylinder structure, which comprises a breast pump cover and a three-way connecting piece, wherein the three-way connecting piece is provided with a first interface, a second interface and a third interface, a breast pump cavity which is respectively communicated with the first interface, the second interface and the third interface is arranged in the three-way connecting piece, the breast pump cover comprises a cover body and an elastomer, the elastomer is arranged at one end of the cover body, the cover body is detachably connected with the first interface, and the elastomer stretches into the breast pump cavity and corresponds to the third interface, and a breast pump channel which is respectively communicated with the cover body and the third interface is arranged in the elastomer. Through setting up the breast pump cover of integrative making, guaranteed the gas tightness between elastomer and the cover body, can wholly dismantle elastomer and the cover body during the washing, be convenient for clean.

Description

Breast pump assembly with novel cylinder structure

Technical Field

The utility model relates to the field of breast pumps, in particular to a breast pump assembly with a novel cylinder structure.

Background

The utility model provides a milk pump is realized through the drive of air pump and is realized that atmospheric pressure changes and imitates the sucking of baby and play the effect such as sucking milk and mediation mammary gland, current breast pump is usually by the breast pump cover, tee bend subassembly, the silica gel diaphragm, breast pump host computer and feeding bottle are constituteed, wherein, the breast pump cover is used for laminating with user's breast, be equipped with the suction chamber in the tee bend subassembly, the breast pump links to each other with breast pump cover respectively through three openings of tee bend subassembly, breast pump host computer and feeding bottle, thereby the silica gel diaphragm is arranged in the suction intracavity and is formed the film cylinder in the suction chamber, its suction principle is through the suction of breast pump host computer, thereby the deformation that makes the silica gel diaphragm take place shrink or expand, thereby change the atmospheric pressure of film cylinder, the effect of sucking milk has been played, because silica gel diaphragm and tee bend subassembly are not integrative, need be unpick and wash after the use, need guarantee the gas tightness of silica gel diaphragm and tee bend subassembly junction, consequently, be difficult to guarantee the gas tightness after repeatedly used, the messenger's the suction of breast pump descends.

Disclosure of Invention

The utility model aims to provide a breast pump assembly with a novel cylinder structure, which solves one or more technical problems in the prior art.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a breast pump subassembly with novel cylinder structure, includes breast pump cover and tee bend connecting piece, tee bend connecting piece is equipped with first interface, second interface and third interface, be equipped with in the tee bend connecting piece respectively with the breast pump chamber that first interface, second interface and third interface are linked together, the breast pump cover includes the cover body and elastomer, the elastomer is established the one end of the cover body, the cover body can dismantle connect in first interface, the elastomer stretch into the breast pump intracavity and with the third interface corresponds, be equipped with in the elastomer respectively with the cover body with the breast pump passageway that the third interface is linked together, the external diameter of elastomer is less than the internal diameter of breast pump chamber, the breast pump cover is elastic material integrative makes.

Preferably, a plurality of convex strips which are uniformly distributed are arranged on the outer side of the elastic body, and deformation parts are arranged between the adjacent convex strips.

Preferably, a first positioning part is further arranged at one end of the cover body, the first positioning part is located at the outer side of the elastic body, and the first positioning part is sleeved at the outer side of the first interface.

Preferably, the novel milk sucking device further comprises a bottom cover, wherein a second positioning part is arranged at one end, far away from the cover body, of the elastic body, the inner diameter of the third interface is smaller than the outer diameter of the second positioning part, the inner side of the second positioning part is sleeved on the outer side of the third interface, a first positioning groove for accommodating the second positioning part in a matched mode is formed in the bottom cover, the bottom cover is detachably connected to the third interface, an opening which penetrates through the bottom cover vertically is formed in the bottom cover, and the opening is communicated with the milk sucking channel.

Preferably, a positioning ring is arranged at the edge of the bottom cover, a second positioning groove matched with the positioning ring is arranged at the outer side of the third interface, and the bottom cover is made of elastic materials.

Preferably, the feeding bottle further comprises a feeding bottle and a one-way valve, the three-way connecting piece is further provided with a connecting cover, the connecting cover is arranged on the outer side of the third connector, an inner thread is arranged on the inner side of the connecting cover, an outer thread is arranged on the neck of the feeding bottle, the feeding bottle and the connecting cover are screwed together through the matching of the outer thread and the inner thread, the bottle neck of the feeding bottle abuts against the bottom of the positioning ring, and the one-way valve sleeve is arranged on the outer side of the opening.

Preferably, the three-way connecting piece further comprises an upper cover, wherein the upper cover is in buckling connection with the three-way connecting piece, and one side of the upper cover is provided with an air pipe interface communicated with the second interface.

Compared with the prior art, the utility model has the beneficial effects that: the elastic body and the milk sucking cavity in the three-way connecting piece form a milk sucking cylinder, and the air pump connected with the external air pump is used for sucking air in the milk sucking cavity through the second connector, so that the elastic body can be expanded or retracted under the action of air pressure, negative pressure is generated in the milk sucking channel, the sucking of milk by the cover body is realized, the air tightness between the elastic body and the cover body is ensured through the integrally manufactured milk sucking cover, and the elastic body and the cover body can be integrally disassembled during cleaning, so that the cleaning is convenient.

Drawings

The present utility model is further illustrated by the accompanying drawings, which are not to be construed as limiting the utility model in any way.

FIG. 1 is a schematic view of the internal structure of one embodiment of the present utility model;

FIG. 2 is a schematic view of an elastomer structure according to one embodiment of the present utility model.

Wherein: the breast shield 1, the three-way connecting piece 2, the first interface 21, the second interface 22, the third interface 23, the breast cavity 24, the shield body 11, the elastic body 12, the convex strip 121, the deformation part 122, the breast channel 123, the first positioning part 111, the bottom cover 3, the second positioning part 112, the first positioning groove 31, the opening 32, the positioning ring 33, the second positioning groove 231, the check valve 4, the upper cover 5 and the air pipe interface 51.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

The utility model provides a breast pump subassembly with novel cylinder structure, refer to fig. 1, including breast pump cover 1 and tee bend connecting piece 2, tee bend connecting piece 2 is equipped with first interface 21, second interface 22 and third interface 23, be equipped with in the tee bend connecting piece 2 respectively with first interface 21, second interface 22 and third interface 23 be linked together inhale the milk chamber 24, breast pump cover 1 includes the cover body 11 and elastomer 12, elastomer 12 is established in the one end of cover body 11, cover body 11 can dismantle and connect in first interface 21, elastomer 12 stretches into inhale the milk chamber 24 and correspond with third interface 23, be equipped with in the elastomer 12 respectively with cover body 11 and third interface 23 be linked together inhale milk passageway 123, the external diameter of elastomer 12 is less than the internal diameter of inhaling milk chamber 24, breast pump cover 1 is made for elastic material is integrative.

The elastic body 12 and the milk sucking cavity 24 in the three-way connecting piece 2 form a milk sucking cylinder, and the second connector 22 is communicated with an external air pump to suck air in the milk sucking cavity 24, so that the elastic body 12 can be expanded or retracted under the action of air pressure, and negative pressure is generated in the milk sucking channel 123 to suck milk from the cover body 11, and therefore, the air tightness between the elastic body 12 and the cover body 11 is ensured by arranging the integrally-manufactured milk sucking cover 1, and the elastic body 12 and the cover body 11 can be integrally disassembled during cleaning, so that cleaning is facilitated.

Preferably, referring to fig. 2, a plurality of ribs 121 are uniformly distributed on the outer side of the elastic body 12, and deformation portions 122 are disposed between adjacent ribs 121, so that the cross section of the elastic body 12 is Y-shaped, and thus deformation occurs more easily, wherein the deformation portions 122 are main deformation portions, and the ribs 121 play a supporting role on the deformation portions 122. When the air pressure in the milk sucking cavity 24 changes, the elastic body 12 is deformed by the deformation of the deformation part 122 to expand or retract as a whole, so that negative pressure is generated in the milk sucking channel 123 to suck the milk from the cover 11.

Preferably, one end of the cover 11 is further provided with a first positioning portion 111, the first positioning portion 111 is located at the outer side of the elastic body 12, and the first positioning portion 111 is sleeved at the outer side of the first interface 21, that is, the inner side of the first positioning portion 111 is attached to the outer side of the first interface 21. Thus, by providing the first positioning portion 111, the cover 11 and the first interface 21 are detachably connected, and the air tightness of the connection position between the cover 11 and the first interface 21 is ensured by the adhesion between the inner side of the first positioning portion 111 and the outer side of the first interface 21.

Preferably, the novel milk sucking device further comprises a bottom cover 3, a second positioning part 112 is arranged at one end, far away from the cover body 11, of the elastic body 12, the inner diameter of the third interface 23 is smaller than the outer diameter of the second positioning part 112, the inner side of the second positioning part 112 is sleeved on the outer side of the third interface 23, a first positioning groove 31 for accommodating the second positioning part 112 in a matched mode is formed in the bottom cover 3, the bottom cover 3 is detachably connected to the third interface 23, an opening 32 penetrating up and down is formed in the bottom cover 3, and the opening 32 is communicated with the milk sucking channel 123. Thereby, the bottom cover 3 is used for fixing the second positioning part 112 of the elastic body 12 at the third interface 23 of the three-way connecting piece 2, positioning the elastic body 12 through the first positioning groove 31, avoiding the end part of the elastic body 12 from moving when the air pressure in the milk sucking cavity 24 changes, and ensuring the air tightness between the milk sucking channel 123 and the third interface 23; the bottom cover 3 is detachably connected to the third interface 23, and the elastic body 12 can be separated from the three-way connecting piece 2 by separating the bottom cover 3 from the three-way connecting piece 2 during cleaning.

Preferably, the edge of the bottom cover 3 is provided with a positioning ring 33, the outer side of the third interface 23 is provided with a second positioning groove 231 matched with the positioning ring 33, and the bottom cover 3 is made of elastic material. Thereby, the positioning of the mounting of the bottom cover 3 is achieved by the correspondence of the second positioning groove 231 with the positioning ring 33.

Preferably, the three-way connecting piece 2 is further provided with a connecting cover, the connecting cover is arranged on the outer side of the third interface 23, the inner side of the connecting cover is provided with internal threads, the neck of the feeding bottle is provided with external threads, the feeding bottle and the connecting cover are screwed together through the matching of the external threads and the internal threads, the bottle neck of the feeding bottle is propped against the bottom of the positioning ring 33, and the one-way valve 4 is sleeved on the outer side of the opening 32. After the feeding bottle is screwed in, the bottle neck of the feeding bottle is propped against the bottom of the positioning ring 33, so that the firmness and the air tightness of the installation of the bottom cover 3 and the three-way connecting piece 2 are further ensured.

Preferably, the three-way connecting piece further comprises an upper cover 5, a rotary bayonet is arranged on the inner side of the upper cover 5, a clamping block is arranged on the outer side of the second interface 22, the upper cover 5 is connected with the three-way connecting piece 2 through the rotary bayonet and the clamping block in a clamping manner, and an air pipe interface 51 communicated with the second interface 22 is arranged on one side of the upper cover 5. Thus, by providing the air pipe interface 51, it is used for connecting the air pipe.

The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.

Claims (7)

1. The utility model provides a breast pump subassembly with novel cylinder structure, its characterized in that, including breast pump cover and tee bend connecting piece, tee bend connecting piece is equipped with first interface, second interface and third interface, be equipped with in the tee bend connecting piece respectively with the milk sucking cavity that first interface, second interface and third interface are linked together, the breast pump cover includes the cover body and elastomer, the elastomer is established the one end of the cover body, the cover body can dismantle connect in first interface, the elastomer stretch into milk sucking intracavity and with the third interface corresponds, be equipped with in the elastomer respectively with the cover body with the milk sucking passageway that the third interface is linked together, the external diameter of elastomer is less than the internal diameter in milk sucking cavity, the breast pump cover is made for elastic material is integrative.

2. The breast pump assembly with the novel cylinder structure of claim 1, wherein a plurality of convex strips which are uniformly distributed are arranged on the outer side of the elastic body, and deformation parts are arranged between the adjacent convex strips.

3. The breast pump assembly with the novel cylinder structure of claim 1, wherein one end of the cover body is further provided with a first positioning part, the first positioning part is located on the outer side of the elastic body, and the first positioning part is sleeved on the outer side of the first interface.

4. The breast pump assembly with novel cylinder structure of claim 1, further comprising a bottom cover, wherein one end of the elastic body, which is far away from the cover body, is provided with a second positioning part, the inner diameter of the third interface is smaller than the outer diameter of the second positioning part, the inner side of the second positioning part is sleeved on the outer side of the third interface, a first positioning groove for accommodating the second positioning part in a matched mode is formed in the bottom cover, the bottom cover is detachably connected with the third interface, an opening which penetrates through the bottom cover up and down is formed in the bottom cover, and the opening is communicated with the milk sucking channel.

5. The breast pump assembly with the novel cylinder structure of claim 4, wherein a positioning ring is arranged at the edge of the bottom cover, a second positioning groove matched with the positioning ring is arranged at the outer side of the third interface, and the bottom cover is made of elastic materials.

6. The breast pump assembly with novel cylinder structure of claim 5, further comprising a milk bottle and a one-way valve, wherein the three-way connecting piece is further provided with a connecting cover, the connecting cover is arranged on the outer side of the third connector, the inner side of the connecting cover is provided with an internal thread, the neck of the milk bottle is provided with an external thread, the milk bottle and the connecting cover are screwed with the internal thread through the matching of the external thread and the internal thread, the bottle neck of the milk bottle is propped against the bottom of the positioning ring, and the one-way valve sleeve is arranged on the outer side of the opening.

7. The breast pump assembly with the novel cylinder structure of claim 1, further comprising an upper cover, wherein the upper cover is in snap connection with the three-way connecting piece, and one side of the upper cover is provided with an air pipe interface communicated with the second interface.