CN210599357U - Pump for breast pump - Google Patents
Pump for breast pump Download PDFInfo
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- CN210599357U CN210599357U CN201921109638.3U CN201921109638U CN210599357U CN 210599357 U CN210599357 U CN 210599357U CN 201921109638 U CN201921109638 U CN 201921109638U CN 210599357 U CN210599357 U CN 210599357U
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- diaphragm
- valve
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- coupler
- pump
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Abstract
The utility model discloses a pump for breast pump, including base, valve bracket, real empty room, diaphragm, motor, eccentric shaft, connecting rod and coupler, the coupler is inside to be seted up mutually independent admit air chamber, go out the air chamber, admit air and be provided with the one-way hole of admitting air and admit air the check valve between chamber and the real empty room, go out and be provided with the one-way hole of giving vent to anger and give vent to anger the check valve between air chamber and the real empty room, the coupler lateral part be provided with respectively with admit air chamber, go out air inlet, the gas outlet of air chamber intercommunication, the coupler lateral part seted up with admit air the chamber communicate the outside vacuum passageway that falls of coupler, still be provided with the solenoid valve on the base, the output of solenoid valve acts on the exit that falls the vacuum passageway and steerable vacuum. The pump for the breast pump has the advantages of simple structure, stable and reliable performance, low implementation cost, high use safety, long service life and the like which are not possessed by the existing products.
Description
Technical Field
The present invention relates to a pump body, in particular a pump for a breast pump.
Background
Breast pumps are a common product, including manual breast pumps and electric breast pumps. For the electric breast pump, the existing electric breast pump product needs to adopt a targeted pump as a driving force when being applied, and the pump generally has the defects of complex structure, high implementation cost, poor performance stability, insufficient reliability, poor breast pumping effect quality and the like, thereby seriously influencing the use experience and the service life.
In view of the above, the present invention provides a new technical solution to solve the existing technical drawbacks.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a pump for breast pump, which solves the technical defects of the prior product, such as complex structure, high implementation cost, poor stability, insufficient reliability, insufficient safety, short service life, and the like.
The utility model provides a technical scheme that its technical problem adopted is:
a pump for a breast pump comprises a base and a valve bracket arranged on the base, wherein a vacuum chamber is arranged on the valve bracket, a diaphragm which is arranged between the valve bracket and the base in a sealing way is arranged between the valve bracket and the base, the diaphragm seals an opening of the vacuum chamber, a motor is arranged at the side part of the base, an output end of the motor is provided with an eccentric shaft, a connecting rod which is used for driving the diaphragm to reciprocate is arranged between the eccentric shaft and the diaphragm, a connector is arranged at the upper part of the valve bracket, an air inlet cavity and an air outlet cavity which are mutually independent are arranged in the connector, an air inlet one-way hole and an air inlet one-way valve are arranged between the air inlet cavity and the vacuum chamber, an air outlet one-way hole and an air outlet one-way valve are arranged between the air outlet cavity and the vacuum chamber, an air inlet and an air outlet which are respectively communicated with, the base is further provided with an electromagnetic valve, and the output end of the electromagnetic valve acts on the outlet of the vacuum reducing channel and can control the vacuum reducing channel to be communicated or closed with outside air.
As an improvement of the above technical solution, a top cover is arranged on the upper portion of the coupler, a pressure relief channel extending downward and communicating with the air inlet cavity is formed on the upper portion of the coupler, a safety chamber communicating with the pressure relief channel is formed on the top cover, and a pressure relief hole and a pressure relief valve matched with the pressure relief hole are formed between the safety chamber and the top of the top cover.
As a further improvement of the above technical solution, the base has an electromagnetic valve installation position, the electromagnetic valve is fixedly installed in the electromagnetic valve installation position, one side of the top cover is fixed on the upper portion of the base and covers the electromagnetic valve inside the electromagnetic valve installation position, and a base airflow through hole communicated with the electromagnetic valve installation position is formed in the side portion of the base.
As a further improvement of the above technical solution, a sealing ring is arranged between the coupler and the top cover, a sealing ring mounting groove is formed in the upper surface of the coupler downward, the sealing ring is mounted in the sealing ring mounting groove, the sealing ring surrounds an upper end opening of the pressure relief channel and a lower end opening of the safety chamber, and an upper edge of the sealing ring is connected with a lower wall surface of the top cover in a sealing manner.
As a further improvement of the technical scheme, one end of the connecting rod is arranged on the eccentric shaft through a bearing, and the other end of the connecting rod is fixedly connected with the diaphragm through a fastening pad and a diaphragm screw.
As a further improvement of the above technical solution, the diaphragm includes a diaphragm main body, a diaphragm edge portion and a diaphragm deformation portion connected between the diaphragm main body and the diaphragm edge portion, the lower edge of the diaphragm edge portion has an annular sealing rib, the base is provided with an annular diaphragm mounting groove matched with the annular sealing rib, the annular sealing rib is mounted in the annular diaphragm mounting groove, and the upper edge of the diaphragm edge portion of the diaphragm is connected with the lower wall surface of the valve support in a sealing manner.
As a further improvement of the above technical solution, the upper portion of the valve support is provided with a first boss and a second boss, the first boss and the second boss extend into the air inlet cavity and the air outlet cavity respectively, the first boss is provided with an air inlet valve installation channel communicated with the vacuum chamber, the air inlet check valve is installed in the air inlet valve installation channel, the second boss is provided with an air outlet valve installation channel communicated with the vacuum chamber, the air outlet check valve is installed in the air outlet valve installation channel, the air inlet check hole extends from the first boss into the vacuum chamber, and the air outlet check valve extends from the second boss into the vacuum chamber.
As a further improvement of the technical scheme, a sealing diaphragm is arranged between the upper wall surface of the valve bracket and the lower wall surface of the coupler.
As a further improvement of the above technical solution, the base side portion is provided with a base side sealing plate, and the base side sealing plate seals the connecting rod in the inner space of the base.
As a further improvement of the above technical solution, the base, the valve bracket and the coupler are fixedly connected by fastening screws.
The utility model has the advantages that: the utility model provides a pump for breast pump, this kind of pump for breast pump have simple structure's characteristics, can effectively reduce manufacturing cost and equipment degree of difficulty when the production equipment, and its performance is more stable when the actual application, and the reliability is higher, and the security is higher, helps the life of extension pump.
In a word, the pump for the breast pump solves the technical defects of complex structure, high implementation cost, poor stability, insufficient reliability, insufficient safety, short service life and the like of the existing product.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view of the assembly of the present invention;
FIG. 2 is a schematic view of another angle of the present invention;
FIG. 3 is a structural exploded view of the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 5 is a sectional view taken in the direction B-B in FIG. 4;
fig. 6 is a schematic structural view of the coupling of the present invention;
fig. 7 is a schematic view of another angle of the coupling of the present invention;
fig. 8 is a third angle schematic view of the coupler according to the present invention;
fig. 9 is a sectional view taken in the direction C-C in fig. 8.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The technical features of the present invention can be combined interactively without conflicting with each other, as shown in fig. 1 to 9.
A pump for a breast pump comprises a base 1 and a valve support 2 arranged on the base 1, wherein a vacuum chamber 21 is arranged on the valve support 2, a diaphragm 31 which is arranged in a sealing way is arranged between the valve support 2 and the base 1, the diaphragm 31 seals an opening of the vacuum chamber 21, a motor 4 is arranged on the side part of the base 1, an output end of the motor 4 is provided with an eccentric shaft 41, a connecting rod 32 which is used for driving the diaphragm 31 to reciprocate is arranged between the eccentric shaft 41 and the diaphragm 31, a connector 5 is arranged on the upper part of the valve support 2, an air inlet cavity 51 and an air outlet cavity 52 which are mutually independent are arranged in the connector 5, an air inlet one-way hole 53 and an air inlet one-way valve 54 are arranged between the air inlet cavity 51 and the vacuum chamber 21, an air outlet one-way hole 55 and an air outlet one-way valve 56 are arranged between the air outlet cavity 52 and, The base 1 is further provided with an electromagnetic valve 6, and an output end of the electromagnetic valve 6 acts on an outlet of the vacuum reducing channel 59 and can control the vacuum reducing channel 59 to be communicated or sealed with outside air.
Preferably, a top cover 7 is arranged on the upper portion of the coupler 5, a pressure relief channel 50 extending downward and communicating with the air inlet cavity 51 is formed on the upper portion of the coupler 5, a safety chamber 71 communicating with the pressure relief channel 50 is formed on the top cover 7, and a pressure relief hole 72 and a pressure relief safety valve 73 matched with the pressure relief hole 72 are arranged between the safety chamber 71 and the top of the top cover 7.
Preferably, the base 1 is provided with an electromagnetic valve installation position, the electromagnetic valve 6 is fixedly installed in the electromagnetic valve installation position, one side of the top cover 7 is fixed on the upper portion of the base 1 and covers the electromagnetic valve 6 inside the electromagnetic valve installation position, and a base airflow through hole communicated with the electromagnetic valve installation position is formed in the side portion of the base 1.
Preferably, a sealing ring 81 is arranged between the coupler 5 and the top cover 7, a sealing ring installation groove is formed in the upper surface of the coupler 5 downward, the sealing ring 81 is installed in the sealing ring installation groove, the sealing ring 81 surrounds an upper end opening of the pressure relief channel 50 and a lower end opening of the safety chamber 71, and an upper edge of the sealing ring 81 is connected with the lower wall surface of the top cover 7 in a sealing manner.
Preferably, one end of the connecting rod 32 is mounted on the eccentric shaft 41 through a bearing 33, and the other end of the connecting rod 32 is fixedly connected with the diaphragm 31 through a fastening pad 34 and a diaphragm screw 35.
Preferably, the diaphragm 31 includes diaphragm main part, diaphragm edge portion and connects the diaphragm deformation portion between diaphragm main part and diaphragm edge portion, the diaphragm edge portion is along having annular sealing bead down, set up the matching on the base 1 the annular diaphragm mounting groove of annular sealing bead, annular sealing bead installs in the annular diaphragm mounting groove, the last edge of diaphragm edge portion of diaphragm 31 and the lower wall face sealing connection of valve support 2.
Preferably, the upper portion of the valve bracket 2 is provided with a first boss and a second boss, the first boss and the second boss extend into the air inlet cavity 51 and the air outlet cavity 52 respectively, the first boss is provided with an air inlet valve installation channel communicated with the vacuum chamber 21, the air inlet check valve 54 is installed in the air inlet valve installation channel, the second boss is provided with an air outlet valve installation channel communicated with the vacuum chamber 21, the air outlet check valve 56 is installed in the air outlet valve installation channel, the air inlet check hole 53 extends into the vacuum chamber 21 from the first boss, and the air outlet check valve 56 extends into the vacuum chamber 21 from the second boss.
Preferably, a sealing diaphragm 82 is arranged between the upper wall surface of the valve bracket 2 and the lower wall surface of the coupler 5.
Preferably, the base 1 is provided with base side sealing plates 11 at the sides, and the base side sealing plates 11 seal the connecting rods 32 in the inner space of the base 1.
Preferably, the base 1, the valve holder 2 and the coupling 5 are fixedly connected by means of fastening screws 9.
In specific implementation the utility model discloses the time, after power motor 4 circular telegram, motor 4 output epaxial eccentric shaft 41 makes rotary motion, and the rotary motion of rethread eccentric shaft 41 drives connecting rod 32 and moves, connecting rod 32 drives diaphragm 31 and is reciprocating motion. During the reciprocating movement of the diaphragm 31, the volume difference of the vacuum chamber 21 between the diaphragm 31 and the valve frame 2 changes due to the reciprocating movement of the connecting rod-diaphragm combination. When the connecting rod 32 is pulled backwards, the volume of the vacuum chamber 21 is increased, the space pressure of the vacuum chamber 23 is reduced, and gas is sucked into the vacuum chamber 21 from the gas inlet 57 of the coupler 3 through the gas inlet cavity 51, the gas inlet one-way hole 53 and the gas inlet one-way valve 54; when the connecting rod 32 is pushed forward, the volume of the vacuum chamber 21 is reduced, the pressure of the vacuum chamber 21 is increased, and the gas passes through the gas outlet one-way valve 56, the gas outlet one-way hole 55 and the gas outlet cavity 52 from the vacuum chamber 21 and then is discharged through the gas outlet 58 of the coupler 5. The reciprocating motion is circulated in such a way to achieve the purpose of vacuumizing.
The electromagnetic valve 6 is connected with the air inlet cavity 51, the electromagnetic valve 6 is normally closed when not working, and the motor 4 and the electromagnetic valve 6 alternately work; when the motor 4 works (at this time, the electromagnetic valve 6 does not work, and the output end of the electromagnetic valve 6 closes the outlet of the vacuum reducing channel 59), vacuumizing is started, and after the motor 4 stops, the electromagnetic valve 6 starts to work (at this time, the electromagnetic valve 6 is opened, and the output end of the electromagnetic valve 6 opens the outlet of the vacuum reducing channel 59, at this time, the external air of the coupler 5 flows into the air inlet cavity 51 and reduces the vacuum value of the air inlet cavity 51), so that the vacuum degree is reduced; such an alternating operation achieves a pumping effect.
The top cover 7 is assembled with the coupler 5 to form a safety chamber 71, the safety chamber 71 is communicated with the air inlet cavity 51, a pressure relief safety valve 73 is arranged on the top cover 7 and used for sealing a pressure relief hole 72, the motor 4 is operated to vacuumize,
when the vacuum degree exceeds the safety value, the pressure relief safety valve 73 is opened, so that the safety chamber 71 is communicated with the external atmospheric pressure through the pressure relief hole 72, the vacuum degree is reduced, and the effect of protecting the human body is achieved.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (10)
1. A pump for a breast pump, characterized by: the device comprises a base (1) and a valve support (2) arranged on the base (1), wherein a vacuum chamber (21) is arranged on the valve support (2), a diaphragm (31) which is installed in a sealing manner is arranged between the valve support (2) and the base (1), the diaphragm (31) seals an opening of the vacuum chamber (21), a motor (4) is arranged on the side portion of the base (1), an eccentric shaft (41) is arranged at the output end of the motor (4), a connecting rod (32) used for driving the diaphragm (31) to reciprocate is arranged between the eccentric shaft (41) and the diaphragm (31), a connector (5) is arranged on the upper portion of the valve support (2), an air inlet cavity (51) and an air outlet cavity (52) which are mutually independent are arranged in the connector (5), an air inlet one-way hole (53) and an air inlet one-way valve (54) are arranged between the air inlet cavity (51), an air outlet one-way hole (55) and an air outlet one-way valve (56) are arranged between the air outlet cavity (52) and the vacuum chamber (21), an air inlet (57) and an air outlet (58) which are respectively communicated with the air inlet cavity (51) and the air outlet cavity (52) are arranged on the side portion of the coupler (5), a vacuum reducing channel (59) which is communicated with the air inlet cavity (51) to the outside of the coupler (5) is arranged on the side portion of the coupler (5), an electromagnetic valve (6) is further arranged on the base (1), and the output end of the electromagnetic valve (6) acts on the outlet of the vacuum reducing channel (59) and can control the vacuum reducing channel (59) to be communicated or closed with outside.
2. A pump for a breast pump according to claim 1, wherein: a top cover (7) is arranged on the upper portion of the coupler (5), a pressure relief channel (50) which extends downwards and is communicated with the air inlet cavity (51) is formed in the upper portion of the coupler (5), a safety chamber (71) communicated with the pressure relief channel (50) is formed in the top cover (7), and a pressure relief hole (72) and a pressure relief safety valve (73) matched with the pressure relief hole (72) are formed between the safety chamber (71) and the top of the top cover (7).
3. A pump for a breast pump according to claim 2, wherein: the base (1) is provided with an electromagnetic valve installation position, the electromagnetic valve (6) is fixedly installed in the electromagnetic valve installation position, one side of the top cover (7) is fixed on the upper portion of the base (1) and covers the electromagnetic valve (6) in the electromagnetic valve installation position, and a base airflow through hole communicated with the electromagnetic valve installation position is formed in the side portion of the base (1).
4. A pump for a breast pump according to claim 2, wherein: be provided with between coupler (5) and top cap (7) sealing ring (81), the sealing ring mounting groove has been seted up downwards to coupler (5) upper surface, sealing ring (81) are installed in the sealing ring mounting groove, sealing ring (81) encircle the lower extreme opening at the upper end opening of pressure release channel (50) and safety chamber (71), the last edge of sealing ring (81) and the lower wall face sealing connection of top cap (7).
5. A pump for a breast pump according to claim 1, wherein: one end of the connecting rod (32) is installed on the eccentric shaft (41) through a bearing (33), and the other end of the connecting rod (32) is fixedly connected with the diaphragm (31) through a fastening pad (34) and a diaphragm screw (35).
6. A pump for a breast pump according to claim 1, wherein: diaphragm (31) include diaphragm main part, diaphragm edge part and connect the diaphragm deformation portion between diaphragm main part and diaphragm edge part, diaphragm edge part is along having the annular sealing bead down, the matching has been seted up on base (1) the annular diaphragm mounting groove of annular sealing bead, the annular sealing bead is installed in the annular diaphragm mounting groove, on the diaphragm edge part of diaphragm (31) along the lower wall face sealing connection with valve holder (2).
7. A pump for a breast pump according to claim 1, wherein: the valve support (2) upper portion is provided with first boss and second boss and first boss and second boss extend respectively and enter into air intake chamber (51) and air outlet chamber (52), set up on the first boss and communicate the admission valve installation passageway of vacuum chamber (21), admit air check valve (54) are installed in the admission valve installation passageway, set up on the second boss and communicate the air outlet valve installation passageway of vacuum chamber (21), install give vent to anger check valve (56) in the air outlet valve installation passageway, admit air one-way hole (53) extend by first boss and enter into vacuum chamber (21), give vent to anger check valve (56) extend by the second boss and enter into vacuum chamber (21).
8. A pump for a breast pump according to claim 1, wherein: and a sealing membrane (82) is arranged between the upper wall surface of the valve bracket (2) and the lower wall surface of the coupler (5).
9. A pump for a breast pump according to claim 1, wherein: the side part of the base (1) is provided with a base side sealing plate (11), and the connecting rod (32) is sealed in the inner space of the base (1) by the base side sealing plate (11).
10. A pump for a breast pump according to claim 1, wherein: the base (1), the valve bracket (2) and the connector (5) are fixedly connected through a fastening screw (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921109638.3U CN210599357U (en) | 2019-07-15 | 2019-07-15 | Pump for breast pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921109638.3U CN210599357U (en) | 2019-07-15 | 2019-07-15 | Pump for breast pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210599357U true CN210599357U (en) | 2020-05-22 |
Family
ID=70717895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921109638.3U Active CN210599357U (en) | 2019-07-15 | 2019-07-15 | Pump for breast pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210599357U (en) |
-
2019
- 2019-07-15 CN CN201921109638.3U patent/CN210599357U/en active Active
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