CN201431661Y

CN201431661Y - Breast pump

Info

Publication number: CN201431661Y
Application number: CN2009200591877U
Authority: CN
Inventors: 潘嘉卓
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-25
Filing date: 2009-06-25
Publication date: 2010-03-31
Anticipated expiration: 2019-06-25

Abstract

The utility model relates to a breast pump which can suck milk with a manual operating mechanism, and solves the problem that milk and air are mixed when sucking milk and the sucked milk contains moreair bubbles, so a baby is easy to spit up milk. The breast pump is provided with a buffer part (7), a small valve chamber (4) connected with a breast pump body, a connector (2), a milk bottle (1), amembrane (11), a handle (4) and a protection shield (13), wherein the breast pump body consists of a milk sucking part (6), a milk sucking part air way (5), a partition wall (8), an air way B (9), a groove (17), an assembly and disassembly part (3), a pressure adjusting valve (16), a memberance groove (12) and a fulcrum shaft part (15). The breast pump sucks milk by negative pressure, and drips the milk into the milk bottle with the self weight of the milk.

Description

A kind of breast pump

Technical field

This utility model relates to a kind of breast pump, is the improvement of inhaling the breast pump of milk by manual-operating mechanism.

Background technology

Manual breast pump on the market is to produce negative pressure by manual-operating mechanism and cylinder, vent passage at present, with the milk sucking-off, but since vent passage design fairly simple tend to when sucking milk and air are mixed, the milk of sucking-off is because bubble is too much, and child has drunk the milk of vomitting easily.Also have the pressure size of manual breast pump on the market not regulate, when manually breast pump operation suction was excessive, the breast sensation can be uncomfortable, and when manually breast pump operation suction was too small, milk can not be extruded again.Also have some parts design of manual breast pump on the market too small, very inconvenient during cleaning, lose because of carelessness, can not find suitable accessory again for the moment, cause unnecessary waste.

Summary of the invention

The purpose of this utility model is to research and develop in order to address the above problem, provide a kind of breast pump that the milk and the air branch of sucking-off are come, and the size of suction can be regulated, and parts are dismantled easily and cleaned, can be not too small and lose easily owing to parts during cleaning.

Breast pump described in the utility model is to be made of buffer part, breast pump main part, little valve chamber, adapter, feeding bottle, diaphragm, handle, protective cover; Wherein the breast pump main part is made of the portion of sucking, the portion's vent passage that sucks, next door, vent passage B, groove, mounting or dismounting portion, pressure-regulating valve door, diaphragm groove, an axial region.The buffer part that is formed by elastomer detachably is installed in the open side of the portion of sucking, become horn-like, the portion's vent passage that sucks directly communicates with the flaring portion of sucking, be bent downwardly simultaneously and towards feeding bottle, be provided with another vent passage B across the next door, downwardly facing opening place at suck portion vent passage downwardly facing opening place and another vent passage B is with a little valve chamber, and little valve chamber is downwards towards feeding bottle; Another vent passage B opening part up directly is communicated with the diaphragm groove, and diaphragm groove place is provided with a groove, and groove is provided with a pressure-regulating valve, diaphragm is contained in the diaphragm groove, because diaphragm closely pastes mutually with the diaphragm groove, makes the diaphragm groove be in sealing state, the diaphragm top is provided with projection on the diaphragm.

Whether the suck downwardly facing opening place of portion vent passage downwardly facing opening place and another vent passage B or not and same horizontal line position, lower than the level position, downwardly facing opening place of another vent passage B.

Little valve chamber is the lid shape form of hollow form, and its lower end is by becoming the downward-sloping inclined wall of miter angle to constitute.Inclined wall has a little sealing, and the inclined wall of its lower end is provided with a small embossment, is used for installing a little book diaphragm, and this little book diaphragm is close to the little sealing that inclined wall blocks inclined wall, the little valve chamber of air admission of feeding bottle in the time of can preventing negative pressure by little book film.

The cyclic adapter of up/down perforation is installed in the mounting or dismounting portion, and mounting or dismounting portion is inserted on the top, thin footpath of this adapter, and the female thread of its external thread part and mounting or dismounting portion screws, outside the female thread of the particle size bottom of this adapter and the feeding bottle peristome external thread rotary with.

One end of handle is stuck in projection on the diaphragm, and the middle part of handle is stuck in an axial region.

Be provided with a protective cover at the top of diaphragm groove.

Beneficial effect: solved at present on the market that breast pump often mixes milk and air when sucking, the milk of sucking-off is because bubble is more, and child has drunk the problem of vomitting milk of being easy to.

Description of drawings

Fig. 1 is a breast pump A-A profile

1. feeding bottles among the figure; 2. adapter; 3. mounting or dismounting portion; 4. little valve chamber; 5. portion's vent passage sucks; 6. portion sucks; 7. buffer part; 8. next door; 9. vent passage B; 10. protruding on the diaphragm; 11. diaphragm; 12. diaphragm groove; 13. protective cover; 14. hands handle; A 15. axial region; 16. pressure-regulating valve door; 17. groove.

Fig. 2 is the local amplification profile of little valve chamber

41. little book diaphragms among the figure; 42. small embossment; 43. inclined wall; 44. little sealing.

Fig. 3 is a breast pump S-S profile

16. pressure-regulating valve doors among the figure; 17. groove.

The specific embodiment

Be embodiment with regard to a kind of breast pump in conjunction with the accompanying drawings now, be described further

Breast pump described in the utility model is by buffer part 7, connects the little valve chamber 4 of breast pump main part, adapter 2, and feeding bottle 1, diaphragm 11, handle 14, protective cover 13 constitutes; Wherein the breast pump main part is made of the portion of sucking 6, the portion's vent passage 5 that sucks, next door 8, vent passage B9, groove 17, mounting or dismounting portion 3, pressure-regulating valve door 16, diaphragm groove 12, an axial region 15.

The buffer part 7 that is formed by elastomer detachably is installed in the open side of the portion of sucking 6, becomes horn-like; The portion's vent passage that sucks 5 directly communicates with the flaring portion 6 that sucks, be bent downwardly simultaneously and towards feeding bottle 1, be provided with another vent passage B9 across next door 8, the downwardly facing opening place of the portion's vent passage that sucks 5 downwardly facing opening places and another vent passage B9 or not and same horizontal line position, level position, downwardly facing opening place than another vent passage B9 is lower, another vent passage B9 opening part up directly is communicated with diaphragm groove 12, diaphragm groove 12 places are provided with a groove 17, groove 17 places are provided with a pressure-regulating valve 16, are used to regulate the extruding force to breast of breast pump.

Diaphragm 11 is contained in 12 li of diaphragm grooves, because diaphragm 11 closely pastes mutually with diaphragm groove 12, makes diaphragm groove 12 be in sealing state; Diaphragm 11 tops are provided with projection 10 on the diaphragm.

Downwardly facing opening place at suck portion's vent passage 5 downwardly facing opening places and another vent passage B9 is with a little valve chamber 4.Little valve chamber 4 is the lid shape form of hollow form, and its lower end becomes the downward-sloping inclined wall of miter angle 43 to constitute again.Inclined wall 43 has a crack mouth 44, the inclined wall 43 of its lower end is provided with a small embossment 42, be used for installing a little book diaphragm 41, this little book diaphragm 41 is close to the crack mouth 44 that inclined wall 43 blocks inclined wall, the little valve chamber 4 of the air admission of feeding bottle in the time of can preventing negative pressure by little book film 41.

The cyclic adapter 2 of up/down perforation is installed in the mounting or dismounting portion 3, and mounting or dismounting portion 3 is inserted on the top, thin footpath of this adapter 2, and the female thread of its external thread part and mounting or dismounting portion 3 screws, outside the female thread of the particle size bottom of this adapter 2 and feeding bottle 1 peristome external thread rotary with.Mounting or dismounting portion 3 is the direct little feeding bottle of construction opening also.

One end of handle 14 is stuck in projection 10 on the diaphragm, and the middle part of handle 14 is stuck in an axial region 15.Be provided with a protective cover 13 at the top of diaphragm groove 12.

Breast pump in use, the user breast with suck buffer part 7 butts of portion 6, between the portion of sucking 6, the portion's vent passage 5 that sucks, little valve chamber 4, vent passage B9, diaphragm groove, form a seal cavity.When depressing handle 14, projection 10 moves upward on the diaphragm, and diaphragm 11 is raised, and the sealing space forms negative pressure, and milk is sucked out.The milk of sucking-off enters little valve chamber 4 by the portion's vent passage 5 that sucks, because this negative pressure, the little book diaphragm 41 in the little valve chamber 4 tightly is adsorbed on inclined wall 43, has sealed crack mouth 44, and milk can not flow in the feeding bottle 1.

When handle 14 was put on, projection 10 moved downward on the diaphragm, and diaphragm 11 is depressed, and sealing space negative pressure is removed, and pressure changes when removing along with negative pressure, and then because of the weight of the breast milk that is detained, the crack mouth 44 inflow feeding bottles 1 of breast milk from little valve chamber 4.

Be provided with a pressure-regulating valve 16 by adjusting groove 17 places and can regulate vacuum magnitude in the seal cavity, and then regulate suction breast.

Above embodiment is only for the usefulness that the present invention is described, but not limitation of the present invention, relevant technologies personnel are under the situation that does not break away from the spirit and scope of the present invention, can also make various conversion, therefore changing all technical schemes that are equal to into also should belong to category of the present invention, should be limited by each claim.

Claims

1. a breast pump is made of buffer part (7), the little valve chamber (4) that connects the breast pump main part, adapter (2), feeding bottle (1), diaphragm (11), handle (14), protective cover (13); Wherein the breast pump main part is by the portion of sucking (6), the portion's vent passage that sucks (5), next door (8), vent passage B (9), groove (17), mounting or dismounting portion (3), pressure-regulating valve door (16), diaphragm groove (12), propping up axial region (15) constitutes, it is characterized in that: the buffer part (7) that is formed by elastomer detachably is installed in the open side of the portion of sucking (6), become horn-like, the portion's vent passage that sucks (5) directly communicates with the flaring portion that sucks (6), be bent downwardly simultaneously and towards feeding bottle (1), be provided with another vent passage B (9) across next door (8), downwardly facing opening place at suck portion's vent passage (5) downwardly facing opening place and another vent passage B (9) is with a little valve chamber (4), and little valve chamber (4) is downwards towards feeding bottle (1); Another vent passage B (9) opening part up directly is communicated with diaphragm groove (12), diaphragm groove (12) locates to be provided with a groove (17), groove (17) locates to be provided with a pressure-regulating valve (16), diaphragm (11) is contained in diaphragm groove (12) lining, because diaphragm (11) closely pastes mutually with diaphragm groove (12), make diaphragm groove (12) be in sealing state, diaphragm (11) top is provided with projection (10) on the diaphragm.

2. according to the described breast pump of claim 1, it is characterized in that: whether the downwardly facing opening place of the portion's vent passage that sucks (5) downwardly facing opening place and another vent passage B (9) or not and same horizontal line position, lower than the level position, downwardly facing opening place of another vent passage B (9).

3. according to the described breast pump of claim 1, it is characterized in that: little valve chamber (4) is the lid shape form of hollow form, its lower end is by becoming the downward-sloping inclined wall (43) of miter angle to constitute, inclined wall (43) has a little sealing (44), the inclined wall of its lower end (43) is provided with a small embossment (42), be used for installing a little book diaphragm (41), this little book diaphragm (41) is close to the little sealing (44) that inclined wall (43) blocks inclined wall, the little valve chamber of air admission (4) of feeding bottle in the time of can preventing negative pressure by little book film (41).

4. according to the described breast pump of claim 1, it is characterized in that: the cyclic adapter (2) that up/down perforation is installed in the mounting or dismounting portion (3), mounting or dismounting portions (3) are inserted on the top, thin footpath of this adapter (2), the female thread of its external thread part and mounting or dismounting portion (3) screws, the female thread of the particle size bottom of this adapter (2) and feeding bottle (1) peristome outside external thread rotary and.

5. according to the described breast pump of claim 1, it is characterized in that: an end of handle (14) is stuck in projection (10) on the diaphragm, and the middle part of handle (14) is stuck in an axial region (15).

6. according to the described breast pump of claim 1, it is characterized in that: be provided with a protective cover (13) at the top of diaphragm groove (12).