CN209270438U

CN209270438U - A kind of electric breast pump

Info

Publication number: CN209270438U
Application number: CN201821888655.7U
Authority: CN
Inventors: 李干明; 李奥; 万莹仙; 镇方雄
Original assignee: Hubei University of Science and Technology
Current assignee: Hubei University of Science and Technology
Priority date: 2018-11-16
Filing date: 2018-11-16
Publication date: 2019-08-20
Anticipated expiration: 2028-11-16

Abstract

The utility model provides a kind of electric breast pump, belongs to mother and baby's technical field of tools.This electric breast pump includes feeding bottle, sucker and electrodynamic pump, is connected between feeding bottle and sucker by hose one, is connected between sucker and electrodynamic pump by hose two, and feeding bottle, sucker and electrodynamic pump three are in parallel, is detachably connected between hose one and feeding bottle；Partition one, partition two and partition three are fixedly installed on the inner wall of sucker, partition one is netted, threaded hole is offered on partition one, threaded hole internal screw thread is connected with an adjusting rod, the inner end of adjusting rod is fixedly installed a cone-shaped valve block, and the valve opening being adapted to the gabarit of valve block is offered on partition two, and the middle part of partition three offers a through-hole, it is connected with reset spring between the outer end and partition one of valve block, valve block can block valve opening or through-hole.The utility model has many advantages, such as that negative pressure can be mitigated, and prevents user uncomfortable.

Description

A kind of electric breast pump

Technical field

The utility model belongs to mother and baby's technical field of tools, is related to a kind of electric breast pump.

Background technique

Breast pump refers to for squeezing out the tool for accumulating in the breast milk in mammary gland.Applying in general to baby can not directly suck When inhaling breast milk or problem occurs for the nipple of mother, although wishing to the feelings of breast-feeding there are also work is being adhered to Condition.Breast pump has power type, type hand, and type hand divides push type, simple rubber ball to inhale mode and syringe-type again, and power type point can It stimulates and can not stimulate, also divide single pump and double pump.

Nursing period using the most common reason of breast pump be in order to which milk is saved, so not when, baby Breast milk can also be had.Even when you are together with baby, the milk amount for maintaining you can be also helped using breast pump.If you think Breast-feeding is still adhered to after working, milk suck out preservation just seem more it is necessary to.In addition, can also be stimulated using breast pump Galactosis increases milk amount.

In the prior art, such as using electrodynamic pump mode negative-pressure breast pump is carried out, is easy the moment in electric priming pump, makes At biggish negative pressure, at this moment, it is be easy to cause chest pain, user is not yet applicable in its pressure, causes discomfort, in addition, existing Breast pump can not keep pressure, persistently be pressurized in elicitation process, will also result in user's pain and discomfort.

In user's operating process, due to holding the pump housing, it is also necessary to hold feeding bottle, feeding bottle is be easy to cause to topple over, cause Lotion is spilt.

Existing breast pump is in the electrodynamic pump course of work, and over time, dust bulk deposition is in pipeline, no It is easy cleaning, and lotion can be polluted.

Utility model content

The purpose of this utility model is aiming at the above problems existing in the prior art, to provide a kind of electric breast pump, this Utility model the technical problem to be solved is that how by sucker be arranged pressure control structure, avoid negative pressure cause using Person's pain.

The purpose of this utility model can be realized by the following technical scheme: a kind of electric breast pump, which is characterized in that this Electric breast pump includes feeding bottle, sucker and electrodynamic pump, is connected between the feeding bottle and sucker by hose one, the sucker and electricity It is connected between dynamic pump by hose two, the feeding bottle, sucker and electrodynamic pump three are in parallel, removable between the hose one and feeding bottle Unload connection；

Be fixedly installed partition one, partition two and partition three on the inner wall of the sucker, the partition one be it is netted, it is described Threaded hole is offered on partition one, the threaded hole internal screw thread is connected with an adjusting rod, the inner end fixed setting of the adjusting rod There is a cone-shaped valve block, the valve opening being adapted to the gabarit of valve block is offered on the partition two, the middle part of the partition three is opened Equipped with a through-hole, reset spring is connected between the outer end and partition one of the valve block, the valve block can block valve opening or logical Hole.

Working principle is as follows: when the chest poor contact of sucker and user, when causing larger ventilative phenomenon, due to electronic Pump generates larger air-flow, when operator adjusts the position of sucker and chest, the case where sealing suddenly with chest there are sucker, this When, larger air-flow will cause user's chest pain and discomfort, and by setting valve block and partition three, valve block is in larger air-flow Under effect, the pretightning force of reset spring is overcome, be resisted against the outer end of valve block on partition three, and by the through-hole on partition three, make The negative pressure pop-off of electrodynamic pump reduces to negative pressure, and reset spring restoring force makes valve block open through-hole, to restore normal work Make.

When in use, it can first start electrodynamic pump, at this point, through-hole is blocked by valve block, then adjust the position of sucker, thus Can eliminate adsorption capacity it is larger caused by chest pain.

The pretightning force of suitable reset spring can be adjusted by adjusting the position of adjusting rod, to adapt to different uses Person.

The structure for the mitigation pressure that partition one, partition two and partition three form, other than with above functions, additionally it is possible to In the idle situation of this breast pump, the valve block on partition two is blocked by valve block, makes air-flow that can not enter hose one and soft In pipe two, dust stratification in hose one and hose two is avoided, the pollution of lotion is caused.

In a kind of above-mentioned electric breast pump, the end of the hose one is connected with a mounting base, and the feeding bottle includes The upper end of bottle body, the bottle body has mounting head, and the mounting base can be arranged and be threaded in mounting head, the bottle body Upper end opening at there is a retaining ring, be threadedly coupled between the mounting head and retaining ring, the middle part of the retaining ring has connection outer The lower end surface of the recess one on boundary and bottle intracavity, the mounting head has a recess two, sets between the recess one and recess two It is equipped with spherical sealing block, a counter weight strip is embedded in the sealing block, there is a recirculation hole, the counterweight in the counter weight strip One end of item is light compared with the other end.

When one people operates breast pump, it is easy to be nervously fumbled, there are three components after all, is i.e. sucker, feeding bottle and electronic Pump, feeding bottle is easy to topple over, and lotion is caused to enter in hose or spill, as general feeding bottle in use, feeding bottle there is also be easy Topple over the case where spilling liquid, by above structure, seals the counter weight strip being arranged in block, can rotate under the effect of gravity, work as feeding bottle When toppling over, counter weight strip is turned by respin, and the position for being responsible for the recirculation hole that feeding bottle inner cavity is in communication with the outside is made to change, that is, circulation Hole can be blocked by the inner wall of recess one or recess two, so that the liquid in feeding bottle be avoided to spill.

In a kind of above-mentioned electric breast pump, the both ends of the counter weight strip are respectively provided with a horn-like guide portion, In the wall thickness in a guide portion be less than the wall thickness in another guide portion, the counter weight strip is made of metal material or ceramic material.

In a kind of above-mentioned electric breast pump, a support base, the bottle body are fixedly installed on the outer wall of the bottle body It is inside provided with a deflector, there is a circulation notch, institute between the inner wall of side and bottle body of the deflector far from support base State the lower section that deflector is located at the opening of bottle body.

During feeding bottle is toppled over, there are the reaction time for sealing block, even if the reaction time is very short, as counter weight strip On recirculation hole and recess one and recess two there are certain distances when cooperating, cause lotion to spill, moreover, lotion will increase sealing The rotational resistance of block causes its response delay and rear stagnant.By the way that deflector is arranged in feeding bottle, lotion in feeding bottle can be delayed to exist Enter the time of position of bottleneck when feeding bottle is toppled over, to offset the reaction time of sealing block.Even if feeding bottle is toppled over, just to stream The direction of logical notch position is toppled over, slower when flowing through the position of smaller circulation bore due to liquid, and there are inertia, water conservancy diversion Plate equally has the function of that lotion is delayed to shed.

Support base is set on the side wall of feeding bottle, when being equipped with lotion using feeding bottle, feeding bottle, sealing are placed by support base Block can close the opening of feeding bottle, to make this feeding bottle that can seal without bottle cap.

In a kind of above-mentioned electric breast pump, a positioning rod, the positioning are fixedly installed on the mounting base inner wall Bar can be plugged in recirculation hole.

Locating rod is placed feeding bottle heeling condition lower sealing block and is sealed, to make to inhale for determining the position of sealing block Milk work can be normally carried out.

In a kind of above-mentioned electric breast pump, the electrodynamic pump includes the pump housing and motor, on the output shaft of the motor It is connected with a runner by spline slide, a working chamber is offered on the pump housing, the runner rotation is described in working chamber There is the suction hole of connection hose two and working chamber, opening of the suction hole close to working chamber one end has a cone on the pump housing The insertion section of shape is provided with several permanent magnets being located on the outside of insertion section on the inner wall of the working chamber, sets on the runner It is equipped with the iron block of several and permanent magnets face, the plug that can be plugged in insertion section is further fixedly arranged on the runner.

Electrodynamic pump on startup, will form larger negative pressure, at this moment, is unfavorable for user and adjusts sucker position, be also easy to make It is shaken at sucker by suction function, is also easy to that dust and other impurities is caused to enter.If after first adjusting sucker position, then opening Dynamic electrodynamic pump, then negative pressure is larger be easy to cause chest pain and discomfort, it is therefore desirable to which the formation to negative pressure mitigates.

When electric motor starting, iron block and permanent magnets on runner are adsorbed, and form resistance, runner delay startup, with runner revolving speed Increase, the adsorption force between permanent magnets and iron block is gradually reduced, and then realizes delay startup.

On the one hand plug limits flow area during delay startup, on the other hand can close when motor is inactive Hose two, avoids dust and other impurities from entering.

In a kind of above-mentioned electric breast pump, it is connected with a preloading spring between the output shaft and runner of the motor, The preloading spring, which has, drives restoring force of the plug far from insertion section；When motor is stopped transport, the pretightning force of the preloading spring Less than permanent magnets to the adsorption capacity of iron block.

Preloading spring can be rotated in runner to certain revolving speed, pulled runner to be detached from the adsorption capacity of permanent magnets, made runner Rotary resistance disappears.

In a kind of above-mentioned electric breast pump, the pump housing and motor are each attached in a box body, are opened on the box body Equipped with several ventholes communicated with working chamber.

In a kind of above-mentioned electric breast pump, battery, the battery and motor electricity are additionally provided in the box body Connection.

Detailed description of the invention

Fig. 1 is the overall structure diagram of this breast pump.

Fig. 2 is the cross-sectional view of Fig. 1.

Fig. 3 is the enlarged drawing of part A in Fig. 2.

Fig. 4 is the enlarged drawing of part B in Fig. 2.

Fig. 5 is the enlarged drawing of Local C in Fig. 2.

In figure, 1, sucker；11, partition one；12, partition two；13, partition three；14, adjusting rod；15, valve block；16, valve opening； 17, through-hole；18, reset spring；21, hose one；22, hose two；31, mounting base；32, bottle body；33, mounting head；34, retaining ring； 35, block is sealed；36, counter weight strip；37, recirculation hole；41, support base；42, deflector；43, circulate notch；5, locating rod；6, it pumps Body；71, motor；72, runner；73, working chamber；74, suction hole；75, insertion section；76, permanent magnets；77, iron block；78, plug； 79, preloading spring；8, box body；81, venthole.

Specific embodiment

It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.

As shown in Figure 1, Figure 2 and shown in Fig. 5, this electric breast pump includes feeding bottle, sucker 1 and electrodynamic pump, between feeding bottle and sucker 1 It is connected by hose 1, is connected between sucker 1 and electrodynamic pump by hose 2 22, feeding bottle, sucker 1 and electrodynamic pump three are simultaneously Connection, is detachably connected between hose 1 and feeding bottle；

Be fixedly installed partition 1, partition 2 12 and partition 3 13 on the inner wall of sucker 1, partition 1 be it is netted, every Threaded hole is offered on plate 1, threaded hole internal screw thread is connected with an adjusting rod 14, and the inner end of adjusting rod 14 is fixedly installed one Cone-shaped valve block 15 offers the valve opening 16 being adapted to the gabarit of valve block 15 on partition 2 12, and the middle part of partition 3 13 opens up Have a through-hole 17, be connected with reset spring 18 between the outer end and partition 1 of valve block 15, valve block 15 can block valve opening 16 or Through-hole 17.

Working principle is as follows: when the chest poor contact of sucker 1 and user, when causing larger ventilative phenomenon, due to electricity It moves pump and generates larger air-flow, when operator adjusts the position of sucker 1 and chest, there are the feelings that sucker 1 is sealed with chest suddenly Condition is existed at this point, larger air-flow will cause user's chest pain and discomfort by setting valve block 15 and partition 3 13, valve block 15 Under larger airflow function, the pretightning force of reset spring 18 is overcome, be resisted against the outer end of valve block 15 on partition 3 13, and will Through-hole 17 on partition 3 13 makes the negative pressure pop-off of electrodynamic pump, reduces to negative pressure, and 18 restoring force of reset spring makes valve block 15 Through-hole 17 is opened, to restore to work normally.

When in use, it can first start electrodynamic pump, at this point, through-hole 17 is blocked by valve block 15, then adjust the position of sucker 1 Set, so as to eliminate adsorption capacity it is larger caused by chest pain.

The pretightning force of suitable reset spring 18 can be adjusted by adjusting the position of adjusting rod 14, it is different to adapt to User.

The structure for the mitigation pressure that partition 1, partition 2 12 and partition 3 13 form, other than with above functions, Can also be in the idle situation of this breast pump, the valve block 15 on partition 2 12 is blocked by valve block 15, makes air-flow can not be into Enter in hose 1 and hose 2 22, avoids dust stratification in hose 1 and hose 2 22, cause the pollution of lotion.

As shown in Figures 2 and 3, the end of hose 1 is connected with a mounting base 31, and feeding bottle includes bottle body 32, bottle body 32 Upper end has mounting head 33, and mounting base 31 can be arranged and be threaded in mounting head 33, has at the upper end opening of bottle body 32 There is a retaining ring 34, be threadedly coupled between mounting head 33 and retaining ring 34, the middle part of retaining ring 34 has connection extraneous and 32 inner cavity of bottle body Recess one, the lower end surface of mounting head 33 has a recess two, spherical sealing block 35 is provided between recess one and recess two, It is embedded with a counter weight strip 36 in sealing block 35, there is a recirculation hole 37 in counter weight strip 36, one end of counter weight strip 36 is compared with other end matter Gently.

When one people operates breast pump, it is easy to be nervously fumbled, there are three components after all, is i.e. sucker 1, feeding bottle and electronic Pump, feeding bottle is easy to topple over, and lotion is caused to enter in hose or spill, as general feeding bottle in use, feeding bottle there is also be easy Topple over the case where spilling liquid, by above structure, seals the counter weight strip 36 being arranged in block 35, can rotate under the effect of gravity, when When feeding bottle is toppled over, counter weight strip 36 is turned by respin, and the position for being responsible for the recirculation hole 37 that feeding bottle inner cavity is in communication with the outside is made to change, That is, recirculation hole 37 can be blocked by the inner wall of recess one or recess two, so that the liquid in feeding bottle be avoided to spill.

The both ends of counter weight strip 36 are respectively provided with a horn-like guide portion, and the wall thickness in one of guide portion is less than another lead The wall thickness in material portion, counter weight strip 36 are made of metal material or ceramic material.

It is fixedly installed a support base 41 on the outer wall of bottle body 32, a deflector 42, deflector 42 are provided in bottle body 32 There is a circulation notch 43, deflector 42 is located at the opening of bottle body 32 between the side of separate support base 41 and the inner wall of bottle body 32 Lower section.

During feeding bottle is toppled over, there are the reaction time for sealing block 35, even if the reaction time is very short, as counterweight There are certain distances when recirculation hole 37 and recess one and recess two on item 36 cooperate, and lotion is caused to spill, moreover, lotion can increase The rotational resistance of big sealing block 35 causes its response delay and rear stagnant.By the way that deflector 42 is arranged in feeding bottle, milk can be delayed Lotion enters the time of position of bottleneck when feeding bottle is toppled in bottle, to offset the reaction time of sealing block 35.Even if feeding bottle inclines When, just to circulation 43 position of notch direction topple over, due to liquid flow through it is smaller circulation bore position when it is slower, And there are inertia, deflector 42 equally has the function of that lotion is delayed to shed.

Support base 41 is set on the side wall of feeding bottle, when being equipped with lotion using feeding bottle, feeding bottle is placed by support base 41, Sealing block 35 can close the opening of feeding bottle, to make this feeding bottle that can seal without bottle cap.

A positioning rod 5 is fixedly installed on 31 inner wall of mounting base, locating rod 5 can be plugged in recirculation hole 37.Locating rod 5 For determining the position of sealing block 35, places feeding bottle heeling condition lower sealing block 35 and sealed, to enable the work that sucks It is normally carried out.

As shown in Figure 2 and Figure 4, electrodynamic pump includes the pump housing 6 and motor 71, is connected on the output shaft of motor 71 by spline slide It is connected to a runner 72, a working chamber 73 is offered on the pump housing 6, runner 72 rotates in working chamber 73, has connection soft on the pump housing 6 The suction hole 74 of pipe 2 22 and working chamber 73, suction hole 74 have the insertion section of a taper close to the opening of 73 one end of working chamber 75, it is provided with several permanent magnets 76 for being located at 75 outside of insertion section on the inner wall of working chamber 73, is provided on runner 72 several A iron block 77 with 76 face of permanent magnets is further fixedly arranged on the plug 78 that can be plugged in insertion section 75 on runner 72.

Electrodynamic pump on startup, will form larger negative pressure, at this moment, is unfavorable for user and adjusts 1 position of sucker, be also easy to make It is shaken at sucker 1 by suction function, is also easy to that dust and other impurities is caused to enter.After if first 1 position of sucker is adjusted, then Start electrodynamic pump, then negative pressure is larger be easy to cause chest pain and discomfort, it is therefore desirable to which the formation to negative pressure mitigates.

When motor 71 starts, iron block 77 and permanent magnets 76 on runner 72 are adsorbed, formation resistance, 72 delay startup of runner, with The increase of 72 revolving speed of runner, the adsorption force between permanent magnets 76 and iron block 77 be gradually reduced, and then realize delay startup.

78 one side of plug limits flow area during delay startup, on the other hand can when motor 71 is inactive, Hose 2 22 is closed, dust and other impurities is avoided to enter.

In a kind of above-mentioned electric breast pump, a preloading spring is connected between the output shaft and runner 72 of motor 71 79, preloading spring 79, which has, drives plug 78 far from the restoring force of insertion section 75；Motor 71 stop transport when, preloading spring 79 it is pre- Clamp force is less than permanent magnets 76 to the adsorption capacity of iron block 77.

Preloading spring 79 can pull runner 72 to be detached from the absorption of permanent magnets 76 after runner 72 is rotated to certain revolving speed Power makes 72 rotary resistance of runner disappear.

The pump housing 6 and motor 71 are each attached in a box body 8, and several ventilations communicated with working chamber 73 are offered on box body 8 Hole 81.Battery is additionally provided in box body 8, battery is electrically connected with motor 71.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims

1. a kind of electric breast pump, which is characterized in that this electric breast pump includes feeding bottle, sucker (1) and electrodynamic pump, the feeding bottle It is connected between sucker (1) by hose one (21), is connected between the sucker (1) and electrodynamic pump by hose two (22), institute It is in parallel to state feeding bottle, sucker (1) and electrodynamic pump three, is detachably connected between the hose one (21) and feeding bottle；

Partition one (11), partition two (12) and partition three (13), the partition one are fixedly installed on the inner wall of the sucker (1) (11) to be netted, threaded hole is offered on the partition one (11), the threaded hole internal screw thread is connected with an adjusting rod (14), institute The inner end for stating adjusting rod (14) is fixedly installed a cone-shaped valve block (15), offers on the partition two (12) and valve block (15) valve opening (16) of gabarit adaptation, offers a through-hole (17) in the middle part of the partition three (13), the valve block (15) It is connected between outer end and partition one (11) reset spring (18), the valve block (15) can block valve opening (16) or through-hole (17)。

2. a kind of electric breast pump according to claim 1, which is characterized in that the end of the hose one (21) is connected with one Mounting base (31), the feeding bottle include bottle body (32), and the upper end of the bottle body (32) has mounting head (33), the mounting base (31) it can be arranged and be threaded on mounting head (33), there are a retaining ring (34) at the upper end opening of the bottle body (32), It is threadedly coupled between the mounting head (33) and retaining ring (34), the middle part of the retaining ring (34) has connection extraneous and bottle body (32) The lower end surface of the recess one of inner cavity, the mounting head (33) has a recess two, is provided between the recess one and recess two Spherical sealing block (35), the sealing block (35) is interior to be embedded with a counter weight strip (36), has one stream in the counter weight strip (36) One end of through-hole (37), the counter weight strip (36) is light compared with the other end.

3. a kind of electric breast pump according to claim 2, which is characterized in that the both ends of the counter weight strip (36) are respectively provided with One horn-like guide portion, the wall thickness in one of guide portion are less than the wall thickness in another guide portion, and the counter weight strip (36) is gold Belong to material or ceramic material is made.

4. a kind of electric breast pump according to claim 3, which is characterized in that be fixedly installed on the outer wall of the bottle body (32) Have a support base (41), be provided with a deflector (42) in the bottle body (32), the deflector (42) is far from support base (41) Side and bottle body (32) inner wall between there is circulation notch (43), the deflector (42) is located at the opening of bottle body (32) Lower section.

5. a kind of electric breast pump according to claim 4, which is characterized in that be fixedly installed on mounting base (31) inner wall Have a positioning rod (5), the locating rod (5) can be plugged in recirculation hole (37).

6. a kind of according to claim 1 or 2 or 3 or 4 or 5 electric breast pumps, which is characterized in that the electrodynamic pump includes pump Body (6) and motor (71) are connected with a runner (72), the pump housing by spline slide on the output shaft of the motor (71) (6) it is offered on a working chamber (73), runner (72) rotation has connection in working chamber (73) on the pump housing (6) The suction hole (74) of hose two (22) and working chamber (73), opening of the suction hole (74) close to working chamber (73) one end have There is the insertion section (75) of a taper, is provided with several on the inner wall of the working chamber (73) and is located on the outside of insertion section (75) forever Magnetic patch (76), is provided with the iron block (77) of several and permanent magnets (76) face on the runner (72), on the runner (72) It is further fixedly arranged on the plug (78) that can be plugged in insertion section (75).

7. a kind of electric breast pump according to claim 6, which is characterized in that the output shaft and runner of the motor (71) (72) it is connected between a preloading spring (79), the preloading spring (79), which has, drives plug (78) far from insertion section (75) Restoring force；When motor (71) stop transport, the pretightning force of the preloading spring (79) is less than the suction of permanent magnets (76) to iron block (77) Attached power.

8. a kind of electric breast pump according to claim 7, which is characterized in that the pump housing (6) and motor (71) are fixed In a box body (8), several ventholes (81) communicated with working chamber (73) are offered on the box body (8).

9. a kind of electric breast pump according to claim 8, which is characterized in that it is additionally provided with battery in the box body (8), The battery is electrically connected with motor (71).