CN109125822B - Negative pressure relieving device on breast pump - Google Patents
Negative pressure relieving device on breast pump Download PDFInfo
- Publication number
- CN109125822B CN109125822B CN201811363614.0A CN201811363614A CN109125822B CN 109125822 B CN109125822 B CN 109125822B CN 201811363614 A CN201811363614 A CN 201811363614A CN 109125822 B CN109125822 B CN 109125822B
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- motor
- partition plate
- hole
- rotating wheel
- pump
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 210000000481 breast Anatomy 0.000 title claims abstract description 29
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052742 iron Inorganic materials 0.000 claims abstract description 12
- 238000005192 partition Methods 0.000 claims description 22
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 13
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 230000005389 magnetism Effects 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 235000013336 milk Nutrition 0.000 description 21
- 239000008267 milk Substances 0.000 description 21
- 210000004080 milk Anatomy 0.000 description 21
- 238000007789 sealing Methods 0.000 description 10
- 239000000428 dust Substances 0.000 description 6
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 5
- 206010008479 Chest Pain Diseases 0.000 description 5
- 239000000839 emulsion Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 206010008469 Chest discomfort Diseases 0.000 description 3
- 210000000038 chest Anatomy 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 210000004251 human milk Anatomy 0.000 description 2
- 235000020256 human milk Nutrition 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 206010033372 Pain and discomfort Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006651 lactation Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/06—Milking pumps
- A61M1/062—Pump accessories
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Pediatric Medicine (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The invention provides a negative pressure relieving device on a breast pump, and belongs to the technical field of mother and infant tools. The breast pump includes sucking disc and the hose second of connecting the sucking disc, this relieving device includes the pump body and motor, there is a runner through spline sliding connection on the output shaft of motor, offered a working chamber on the pump body, the runner rotates in the working chamber, have the suction port of coupling hose second and working chamber on the pump body, the suction port is close to the opening part of working chamber one end and has a conical insert portion, be provided with a plurality of permanent magnetism piece that is located the insert portion outside on the inner wall of working chamber, be provided with a plurality of and permanent magnetism piece just right iron piece on the runner, still fixedly on the runner be provided with can insert the end cap of establishing in the insert portion. The invention has the advantages of alleviating negative pressure, avoiding discomfort of users, and the like.
Description
Technical Field
The invention belongs to the technical field of mother and infant tools, and relates to a negative pressure relieving device on a breast pump.
Background
Breast pumps refer to means for expressing breast milk that accumulates in the breast. It is generally suitable for infants when they cannot directly suck breast milk or when the mother's nipple is problematic, and it is desirable to breast-feed the infant despite the adherence to work. The breast pump has electric type and manual type, manual type and divided pressing type, simple rubber ball sucking type and needle cylinder type, and the electric type can be stimulated or not, and is also divided into a single pump and a double pump.
The most common reason for breast pumps used during lactation is to preserve milk so that the baby can also eat it when not in use. The use of a breast pump helps maintain your milk volume even when you are with a baby. It is more necessary to aspirate milk to preserve it if you want to stay on breast feeding after work. In addition, the breast pump can also stimulate milk secretion and increase milk quantity.
In the prior art, if the negative pressure breast pump is used in a mode of an electric pump and the like, larger negative pressure is easily caused at the moment of starting the electric pump, at this time, chest pain is easily caused, the pressure of a user is not suitable for the breast pump, discomfort is caused, the pressure of the existing breast pump cannot be kept, the pressure is continuously increased in the milk sucking process, and pain and discomfort of the user are also caused.
In the operation process of a user, the milk bottle is easy to topple due to the fact that the user holds the milk bottle by holding the pump body.
In the working process of an electric pump, the existing breast pump is difficult to clean because dust is accumulated in a large amount in a pipeline along with the time, and emulsion can be polluted.
Disclosure of Invention
The invention aims at solving the problems existing in the prior art and providing a negative pressure relieving device on a breast pump, and the technical problem to be solved by the invention is how to relieve the negative pressure by controlling the rotating speed of a motor so as to avoid discomfort to a user when the breast pump is used.
The aim of the invention can be achieved by the following technical scheme: the utility model provides a negative pressure relieving device on breast pump, its characterized in that, breast pump includes sucking disc and connection sucking disc's hose two, and this relieving device includes pump body and motor, there is a runner through spline sliding connection on the output shaft of motor, a working chamber has been seted up on the pump body, the runner rotates in the working chamber, have the suction port of connection hose two and working chamber on the pump body, the suction port is close to the opening part of working chamber one end and has a conical insertion part, be provided with a plurality of permanent magnetism piece that is located the insertion part outside on the inner wall of working chamber, be provided with a plurality of and permanent magnetism piece just right iron block on the runner, still fixedly on the runner be provided with the end cap that can insert to establish in the insertion part.
When the electric pump is started, a large negative pressure is formed, at this time, the position of the sucker is not convenient for a user to adjust, the sucker is easy to shake under the action of the negative pressure, and sundries such as dust are easy to enter. If the suction cup is adjusted, and then the electric pump is started, the negative pressure is large, and chest pain and discomfort are easily caused, so that the formation of the negative pressure needs to be alleviated.
When the motor is started, the iron blocks on the rotating wheel are adsorbed with the permanent magnet blocks to form resistance, the rotating wheel is slowly started, and the adsorption force between the permanent magnet blocks and the iron blocks is gradually reduced along with the increase of the rotating speed of the rotating wheel, so that the slow start is realized.
The choke plug can limit the air flow section in the slow start process on one hand, and on the other hand, the hose II can be closed when the motor is not started, so that sundries such as dust can be prevented from entering.
In the negative pressure relieving device on the breast pump, a pre-tightening spring is connected between the output shaft of the motor and the rotating wheel, and the pre-tightening spring has a restoring force for driving the plug to be far away from the insertion part; when the motor is stopped, the pretightening force of the pretightening spring is smaller than the adsorption force of the permanent magnet block to the iron block.
The pretension spring can pull the rotating wheel to break away from the adsorption force of the permanent magnet block after the rotating wheel rotates to a certain rotating speed, so that the rotating resistance of the rotating wheel disappears.
In the negative pressure relieving device on the breast pump, the pump body and the motor are both fixed in a box body, and a plurality of vent holes communicated with the working cavity are formed in the box body.
In the negative pressure relieving device on the breast pump, a storage battery is further arranged in the box body, and the storage battery is electrically connected with the motor.
Drawings
FIG. 1 is a schematic view of the whole structure of the present breast pump.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is an enlarged view of a portion B in fig. 2.
Fig. 5 is an enlarged view of a portion C in fig. 2.
In the figure, 1, a sucker; 11. a first partition board; 12. a second partition board; 13. a third partition board; 14. an adjusting rod; 15. a valve block; 16. a valve hole; 17. a through hole; 18. a return spring; 21. a first hose; 22. a second hose; 31. a mounting base; 32. a bottle body; 33. a mounting head; 34. a retainer ring; 35. a sealing block; 36. a counterweight bar; 37. a flow hole; 41. a support base; 42. a deflector; 43. a flow gap; 5. a positioning rod; 6. a pump body; 71. a motor; 72. a rotating wheel; 73. a working chamber; 74. an air suction hole; 75. an insertion section; 76. permanent magnet blocks; 77. iron blocks; 78. a plug; 79. a pre-tightening spring; 8. a case body; 81. and a vent hole.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, 2 and 5, the electric breast pump comprises a feeding bottle, a sucker 1 and an electric pump, wherein the feeding bottle is connected with the sucker 1 through a first hose 21, the sucker 1 is connected with the electric pump through a second hose 22, the feeding bottle, the sucker 1 and the electric pump are connected in parallel, and the first hose 21 is detachably connected with the feeding bottle;
the inner wall of the sucker 1 is fixedly provided with a first partition plate 11, a second partition plate 12 and a third partition plate 13, the first partition plate 11 is net-shaped, a threaded hole is formed in the first partition plate 11, an adjusting rod 14 is connected with threads in the threaded hole, a cone-shaped valve block 15 is fixedly arranged at the inner end of the adjusting rod 14, a valve hole 16 matched with the outline of the valve block 15 is formed in the second partition plate 12, a through hole 17 is formed in the middle of the third partition plate 13, a reset spring 18 is connected between the outer end of the valve block 15 and the first partition plate 11, and the valve block 15 can block the valve hole 16 or the through hole 17.
The working principle is as follows: when the suction cup 1 is in poor contact with the chest of a user and large ventilation is caused, the electric pump generates large air flow, when an operator adjusts the positions of the suction cup 1 and the chest, the suction cup 1 is suddenly sealed with the chest, at the moment, the large air flow can cause chest pain and discomfort of the user, the valve block 15 and the third partition plate 13 are arranged, the outer end of the valve block 15 is abutted against the third partition plate 13 under the action of the large air flow by overcoming the pretightening force of the return spring 18, the through hole 17 on the third partition plate 13 is formed, the negative pressure of the electric pump is instantaneously disappeared, the negative pressure is reduced, and the return force of the return spring 18 enables the valve block 15 to open the through hole 17, so that normal operation is restored.
When the suction cup is used, the electric pump can be started firstly, at the moment, the through hole 17 is blocked by the valve block 15, and then the position of the suction cup 1 is adjusted, so that chest pain caused by large suction force can be eliminated.
The pre-tension of the appropriate return spring 18 can be adjusted to accommodate different users by adjusting the position of the adjustment lever 14.
Besides the functions, the structure for relieving the pressure formed by the first baffle 11, the second baffle 12 and the third baffle 13 can also be used for blocking the valve block 15 on the second baffle 12 by the valve block 15 under the condition that the breast pump does not work, so that air flow can not enter the first hose 21 and the second hose 22, and dust is prevented from being accumulated in the first hose 21 and the second hose 22, and emulsion pollution is avoided.
As shown in fig. 2 and 3, the end of the first hose 21 is connected with a mounting seat 31, the feeding bottle comprises a bottle body 32, the upper end of the bottle body 32 is provided with a mounting head 33, the mounting seat 31 can be sleeved and connected with the mounting head 33 in a threaded manner, a retainer ring 34 is arranged at the opening of the upper end of the bottle body 32, the mounting head 33 is connected with the retainer ring 34 in a threaded manner, the middle part of the retainer ring 34 is provided with a first notch communicated with the outside and the inner cavity of the bottle body 32, the lower end surface of the mounting head 33 is provided with a second notch, a spherical sealing block 35 is arranged between the first notch and the second notch, a counterweight bar 36 is embedded in the sealing block 35, a flow hole 37 is formed in the counterweight bar 36, and one end of the counterweight bar 36 is lighter than the other end.
When a person operates the breast pump, the hands are easy to be messy, three components are needed, namely the sucker 1, the milk bottle and the electric pump, the milk bottle is easy to pour, the milk bottle is led to enter the hose or spill, when the milk bottle is used as a common milk bottle, the milk bottle is easy to pour and spill, through the structure, the counterweight strip 36 arranged in the sealing block 35 can rotate under the action of gravity, when the milk bottle is poured, the counterweight strip 36 is rotated by weight, so that the position of the circulation hole 37 responsible for the communication between the inner cavity of the milk bottle and the outside is changed, namely, the circulation hole 37 can be blocked by the inner wall of the notch I or the notch II, thereby avoiding the liquid in the milk bottle from spilling.
The two ends of the counterweight bar 36 are respectively provided with a horn-shaped material guiding part, wherein the wall thickness of one material guiding part is smaller than that of the other material guiding part, and the counterweight bar 36 is made of metal or ceramic.
A supporting seat 41 is fixedly arranged on the outer wall of the bottle body 32, a guide plate 42 is arranged in the bottle body 32, a flow gap 43 is arranged between one side of the guide plate 42 away from the supporting seat 41 and the inner wall of the bottle body 32, and the guide plate 42 is positioned below the opening of the bottle body 32.
When the feeding bottle is toppled over, the sealing block 35 has a short reaction time, and even if the reaction time is short, the emulsion is spilled out due to a certain distance between the circulation hole 37 on the weight bar 36 and the first and second notches, and the emulsion increases the rotation resistance of the sealing block 35, so that the reaction is delayed and delayed. By providing the baffle 42 in the bottle, the time for the milk in the bottle to enter the bottle mouth position when the bottle is toppled over can be delayed, thereby counteracting the reaction time of the sealing block 35. Even if the feeding bottle is toppled over, the feeding bottle is toppled over just in the direction of the position of the circulation notch 43, the flow guide plate 42 has the function of delaying the emulsion from being dispersed because the liquid flows through the position with smaller circulation caliber slowly and has inertia.
The supporting seat 41 is arranged on the side wall of the feeding bottle, when the feeding bottle is used and is filled with milk, the feeding bottle is placed through the supporting seat 41, and the opening of the feeding bottle can be closed by the sealing block 35, so that the feeding bottle can be sealed without a bottle cap.
A positioning rod 5 is fixedly arranged on the inner wall of the mounting seat 31, and the positioning rod 5 can be inserted into the circulation hole 37. The positioning rod 5 is used for determining the position of the sealing block 35, and the sealing block 35 seals the milk bottle in an inclined state, so that the milk sucking work can be normally performed.
As shown in fig. 2 and 4, the electric pump comprises a pump body 6 and a motor 71, wherein an output shaft of the motor 71 is slidably connected with a rotating wheel 72 through a spline, a working cavity 73 is formed in the pump body 6, the rotating wheel 72 rotates in the working cavity 73, an air suction hole 74 for connecting a hose II 22 and the working cavity 73 is formed in the pump body 6, a conical insertion part 75 is formed in an opening of the air suction hole 74, which is close to one end of the working cavity 73, a plurality of permanent magnets 76 located on the outer side of the insertion part 75 are arranged on the inner wall of the working cavity 73, a plurality of iron blocks 77 opposite to the permanent magnets 76 are arranged on the rotating wheel 72, and plugs 78 capable of being inserted into the insertion part 75 are fixedly arranged on the rotating wheel 72.
When the electric pump is started, a large negative pressure is formed, and at this time, the position of the sucker 1 is not easy to adjust by a user, the sucker 1 is easy to shake under the action of the negative pressure, and sundries such as dust are easy to enter. If the suction cup 1 is adjusted in position and then the electric pump is started, the negative pressure is large, which is liable to cause chest pain and discomfort, so that the formation of the negative pressure needs to be alleviated.
When the motor 71 is started, the iron blocks 77 on the rotating wheel 72 are adsorbed with the permanent magnet blocks 76 to form resistance, the rotating wheel 72 is slowly started, and as the rotating speed of the rotating wheel 72 is increased, the adsorption force between the permanent magnet blocks 76 and the iron blocks 77 is gradually reduced, so that the slow start is realized.
The plug 78 can limit the airflow cross section during the slow start process, and can close the second hose 22 when the motor 71 is not started, so as to prevent dust and other impurities from entering.
In the electric breast pump, a pre-tightening spring 79 is connected between the output shaft of the motor 71 and the rotating wheel 72, and the pre-tightening spring 79 has a restoring force for driving the plug 78 away from the insertion portion 75; when the motor 71 is shut down, the pre-tightening force of the pre-tightening spring 79 is smaller than the adsorption force of the permanent magnet 76 to the iron block 77.
The pre-tightening spring 79 can pull the rotating wheel 72 to break away from the adsorption force of the permanent magnet block 76 after the rotating wheel 72 rotates to a certain rotation speed, so that the rotation resistance of the rotating wheel 72 disappears.
The pump body 6 and the motor 71 are both fixed in a box body 8, and a plurality of vent holes 81 communicated with the working cavity 73 are formed in the box body 8. A battery is also provided in the case 8, and is electrically connected to the motor 71.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (1)
1. The negative pressure relieving device on the breast pump is characterized by comprising a suction cup (1), a hose II (22) connected with the suction cup (1), a pump body (6) and a motor (71), wherein an output shaft of the motor (71) is slidably connected with a rotating wheel (72) through a spline, a working cavity (73) is formed in the pump body (6), the rotating wheel (72) rotates in the working cavity (73), an air suction hole (74) connected with the hose II (22) and the working cavity (73) is formed in the pump body (6), a conical insertion part (75) is formed in an opening part, close to one end of the working cavity (73), of the air suction hole (74), a plurality of permanent magnet blocks (76) positioned on the outer side of the insertion part (75) are arranged on the inner wall of the working cavity (73), a plurality of iron blocks (77) opposite to the permanent magnet blocks (76) are arranged on the rotating wheel (72), and plugs (78) capable of being inserted into the insertion part (75) are also fixedly arranged on the rotating wheel (72);
a pre-tightening spring (79) is connected between the output shaft of the motor (71) and the rotating wheel (72), and the pre-tightening spring (79) has a restoring force for driving the plug (78) to be far away from the insertion part (75); when the motor (71) is stopped, the pretightening force of the pretightening spring (79) is smaller than the adsorption force of the permanent magnet block (76) to the iron block (77);
the pump body (6) and the motor (71) are both fixed in a box body (8), and a plurality of vent holes (81) communicated with the working cavity (73) are formed in the box body (8);
a storage battery is further arranged in the box body (8), and the storage battery is electrically connected with the motor (71);
the novel sucker is characterized in that a first partition plate (11), a second partition plate (12) and a third partition plate (13) are fixedly arranged on the inner wall of the sucker (1), the first partition plate (11) is net-shaped, a threaded hole is formed in the first partition plate (11), an adjusting rod (14) is connected with threads in the threaded hole, a cone-shaped valve block (15) is fixedly arranged at the inner end of the adjusting rod (14), a valve hole (16) matched with the outline of the valve block (15) is formed in the second partition plate (12), a through hole (17) is formed in the middle of the third partition plate (13), a reset spring (18) is connected between the outer end of the valve block (15) and the first partition plate (11), and the valve block (15) can block the valve hole (16) or the through hole (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811363614.0A CN109125822B (en) | 2018-11-16 | 2018-11-16 | Negative pressure relieving device on breast pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811363614.0A CN109125822B (en) | 2018-11-16 | 2018-11-16 | Negative pressure relieving device on breast pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109125822A CN109125822A (en) | 2019-01-04 |
| CN109125822B true CN109125822B (en) | 2023-11-24 |
Family
ID=64805926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811363614.0A Active CN109125822B (en) | 2018-11-16 | 2018-11-16 | Negative pressure relieving device on breast pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109125822B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20319642U1 (en) * | 2003-12-17 | 2004-03-04 | Lin, Mu Hsiang, Zhuangwei | Milk suction unit has adjustment unitfor suctional force, with housing and pipe, transfer tube, suction unit, cover over milk-collector, and cap |
| KR20120055250A (en) * | 2010-11-23 | 2012-05-31 | 주식회사 미주테크 | Suction device structure of breastpump |
| CN209253752U (en) * | 2018-11-16 | 2019-08-16 | 湖北科技学院 | A kind of negative pressure reliever on breast pump |
-
2018
- 2018-11-16 CN CN201811363614.0A patent/CN109125822B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20319642U1 (en) * | 2003-12-17 | 2004-03-04 | Lin, Mu Hsiang, Zhuangwei | Milk suction unit has adjustment unitfor suctional force, with housing and pipe, transfer tube, suction unit, cover over milk-collector, and cap |
| KR20120055250A (en) * | 2010-11-23 | 2012-05-31 | 주식회사 미주테크 | Suction device structure of breastpump |
| CN209253752U (en) * | 2018-11-16 | 2019-08-16 | 湖北科技学院 | A kind of negative pressure reliever on breast pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109125822A (en) | 2019-01-04 |
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