CN109838372A - Gas diaphragm pump - Google Patents
Gas diaphragm pump Download PDFInfo
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- CN109838372A CN109838372A CN201910123046.5A CN201910123046A CN109838372A CN 109838372 A CN109838372 A CN 109838372A CN 201910123046 A CN201910123046 A CN 201910123046A CN 109838372 A CN109838372 A CN 109838372A
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- leather cup
- gas
- discharge
- chamber
- pump head
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Abstract
The invention discloses a kind of gas diaphragm pump, including cylinder body, actuator and pump head, cylinder body has transfer chamber；Diaphragm member is located above cylinder body, and diaphragm member has the first leather cup and the second leather cup；Actuator is connected with diaphragm member, compresses or stretch the first leather cup and the second leather cup to drive diaphragm member to swing；Pump head is located above diaphragm member, and suction passage, return flow line and discharge-channel are defined inside pump head, and pump head is equipped with suction inlet and discharge outlet；First leather cup is configured as sucking the gas of suction inlet by suction passage when being stretched, and the gas of sucking is emitted into transfer chamber by return flow line when compressed；Second leather cup is configured as sucking gas from transfer chamber when being stretched, and is expelled to discharge outlet by the gas that discharge-channel sucks when compressed.The gas diaphragm pump provided according to embodiments of the present invention, can be improved negative pressure value at suction inlet and the positive pressure value at discharge outlet.
Description
Technical field
The present invention relates to pump apparatus more particularly to a kind of gas diaphragm to pump.
Background technique
Diaphragm pump is so that the diaphragm inside pump is done reciprocating, and the energy at suction nozzle by internal mechanical device
It is enough persistently to form vacuum or negative pressure, positive pressure is formed at exhaust nozzle；Working media is mainly gas or liquid, is mainly used for household
In electric appliance, Medical Devices.
Diaphragm pump in the related technology leads to suction nozzle due to the revolving speed of driving motor and the limitation of leather cup self structure
The pressure value of the negative pressure value and the positive pressure at exhaust nozzle of locating negative pressure can not further increase.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
Purpose is to propose a kind of gas diaphragm pump.
To achieve the above object, gas diaphragm pump according to an embodiment of the present invention, comprising:
Cylinder body has transfer chamber；
Diaphragm member is located above the cylinder body, and the diaphragm member has the first leather cup and the second leather cup；
Actuator is connected with the diaphragm member, compresses or stretch first skin to drive the diaphragm member to swing
Bowl and the second leather cup；
Pump head is located above the diaphragm member, and it is logical that suction passage, return flow line and discharge are defined inside the pump head
Road, the pump head are equipped with suction inlet and discharge outlet；
First leather cup is configured as sucking the gas of the suction inlet by the suction passage when being stretched, with
And the gas of sucking is emitted by the transfer chamber by the return flow line when compressed；Second leather cup is configured as
Gas is sucked from the transfer chamber when being stretched, and is when compressed arranged the gas of sucking by the discharge-channel
Out to the discharge outlet.
The gas diaphragm pump provided according to embodiments of the present invention, the gas of suction inlet sucking enter to the by suction passage
One leather cup enters to transfer chamber by return flow line after compressing by the first leather cup, and is sucked into the second skin from transfer chamber
Bowl, then second-compressed is carried out by the second leather cup, it is expelled to discharge outlet finally by discharge-channel, in this way, can further mention
The positive pressure value at negative pressure value and discharge outlet at high suction inlet.
In addition, gas diaphragm pump according to the above embodiment of the present invention can also have the following additional technical features:
According to one embodiment of present invention, the top of first leather cup and the second leather cup is opened wide and forms opening；
It is fitted closely at the top of the pump head and first leather cup and the second leather cup, the suction passage and return flow line
It is connected to the opening of first leather cup, the discharge-channel is connected to the opening of second leather cup.
According to one embodiment of present invention, the pump head includes:
The lower surface of pump head lid, the pump head lid has suction chamber independent of each other, back cavity and discharge chamber, the sucking
Mouth is connected to the suction chamber, and the discharge outlet is connected to the discharge chamber；
Valve plate, the valve plate are fitted tightly over the lower surface of the pump head lid, and the valve plate is equipped with through hole, first through hole
Group and the second sets of vias, the through hole are connected to the back cavity, the diaphragm member be equipped with by the through hole with it is described
The first intercommunicating pore that transfer chamber is connected；
The first through hole group includes at least one access aperture and at least one return port, and the access aperture is from the sucking
Chamber is to the first leather cup one-way conduction, so that the suction chamber is connected to form the suction passage with the access aperture, it is described
Return port is from first leather cup to the back cavity one-way conduction, so that the return port, back cavity and through hole successively connect
It is logical to form the return flow line；
Second sets of vias includes at least one tap, and the tap is from second leather cup to the discharge chamber
One-way conduction, so that the tap is connected to form the discharge-channel with discharge chamber.
It according to one embodiment of present invention, further include gasket, breather check valve and outgassing nonreturn valve；
The gasket is located between the valve plate and the pump head lid, and the first check valve sheet is formed on the gasket,
First check valve sheet is tightly attached to the valve plate, to control the return port one-way conduction；
The breather check valve is located on the valve plate, to control the access aperture one-way conduction, the outgassing nonreturn valve
It is located on the valve plate, to control the tap one-way conduction.
According to one embodiment of present invention, the gasket is equipped be connected to the through hole with the back cavity the
Two intercommunicating pores.
According to one embodiment of present invention, the bottom closing of first leather cup, the bottom of second leather cup is formed
There is second one-way valve piece；
The actuator includes the swinging frame being contained in the transfer chamber, and the swinging frame has piston portion, the work
Piston part is connected to the bottom of corresponding second leather cup, and the piston portion has the conduction hole for being connected to the transfer chamber；
Second membrane is tightly attached to the piston portion, to control the conduction hole from the transfer chamber to described
Two leather cup one-way conductions.
According to one embodiment of present invention, the lower surface of the valve plate is equipped with the ladder opposite with first leather cup
Slot, the stepped groove have the first cascaded surface and the second cascaded surface, and second cascaded surface is located at the upper of first cascaded surface
Side；The return port is located on first cascaded surface, at least one described access aperture is located on second cascaded surface, described
Breather check valve is located in the stepped groove and does not block the return port.
According to one embodiment of present invention, the upper surface of the valve plate is equipped with locating slot, and the gasket is located at described fixed
In the slot of position, the pump head lid is fitted closely with the gasket.
According to one embodiment of present invention, first leather cup and the second leather cup are multiple, multiple first leather cups
There is one described the with the second leather cup around the circumferentially-spaced arrangement of a vertical axis, and between two neighboring first leather cup
Two leather cups.
According to one embodiment of present invention, the actuator further includes driving motor and pedestal, the driving motor peace
Loaded on the pedestal, the pedestal connect with the cylinder body and limits the transfer chamber jointly with the cylinder body.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of gas diaphragm of embodiment of the present invention pump；
Fig. 2 is the partial sectional view of gas diaphragm of embodiment of the present invention pump, and in figure, dotted arrow is gas flow direction；
Fig. 3 is the exploded view that gas diaphragm of the embodiment of the present invention pumps a visual angle；
Fig. 4 is the exploded view that gas diaphragm of the embodiment of the present invention pumps another visual angle；
Fig. 5 is the exploded view that first visual angle is pumped in gas diaphragm of embodiment of the present invention pump；
Fig. 6 is the exploded view at another visual angle of pump head in gas diaphragm of embodiment of the present invention pump；
Fig. 7 is the structural schematic diagram of swinging frame and diaphragm member in gas diaphragm of embodiment of the present invention pump；
Fig. 8 is the top view of gas diaphragm of embodiment of the present invention pump interval membrane.
Appended drawing reference:
Cylinder body 10；
Third connecting hole 101；
Transfer chamber P10；
Diaphragm member 20；
First leather cup 201；
Interconnecting piece 2011；
Second leather cup 202；
Second one-way valve piece 2021；
First intercommunicating pore 203；
Actuator 30；
Swinging frame 301；
Piston portion 3011；
Conduction hole 3011a；
Pedestal 302；
Driving motor 303；
Pump head 40；
Pump head lid 401；
Suction inlet 4011；
Discharge outlet 4012；
Suction chamber P401；
Back cavity P402；
Discharge chamber P403；
Valve plate 402；
Access aperture 4021；
Tap 4022；
Return port 4023；
Through hole 4024；
First cascaded surface 4025；
Second cascaded surface 4026；
Locating slot 4027；
Breather check valve 403；
Outgassing nonreturn valve 404；
Gasket 41；
First check valve sheet 411；
Second intercommunicating pore 412.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention, based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " " axial direction ", " circumferential direction ", " radial direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
The gas diaphragm pump of the present invention is described in detail embodiment with reference to the accompanying drawings.
Referring to figs. 1 to the gas diaphragm pump shown in Fig. 8, provided according to embodiments of the present invention, including cylinder body 10, diaphragm member
20, actuator 30 and pump head 40.
Specifically, cylinder body 10 has transfer chamber P10.Diaphragm member 20 is located at 10 top of cylinder body, which has
First leather cup 201 and the second leather cup 202.
Actuator 30 is connected with the diaphragm member 20, compresses to drive the diaphragm member 20 to swing or stretches described the
One leather cup 201 and the second leather cup 202, that is to say, that actuator 30 can drive diaphragm member 20 to swing, so that diaphragm member 20
On the first leather cup 201 and 202 alternate compression of the second leather cup and stretching.
Pump head 40 is located at 20 top of diaphragm member, defines suction passage, return flow line and row inside the pump head 40
Channel is put, the pump head 40 is equipped with suction inlet 4011 and discharge outlet 4012, and it is logical that gas can enter sucking from suction inlet 4011
Road, and gas can be discharged from discharge outlet 4012 in discharge-channel.
Wherein, the first leather cup 201 is configured as sucking the suction inlet 4011 by the suction passage when being stretched
Gas, and the gas of sucking is emitted by the transfer chamber P10 by the return flow line when compressed；Described second
Leather cup 202 is configured as sucking gas from the transfer chamber P10 when being stretched, and passes through the discharge when compressed
The gas of sucking is expelled to the discharge outlet 4012 by channel.
The gas diaphragm pump the course of work approximately as:
Referring to shown in Fig. 2, when actuator 30 drives diaphragm member 20 to swing, the first leather cup 201 is stretched, the first leather cup
201 volume increases, and air pressure inside reduces, and extraneous gas is sucked into suction passage by suction inlet 4011, and logical by sucking
Road enters in the first leather cup 201, and at the same time, the second leather cup 202 is compressed, and the volume of the second leather cup 202 reduces, inside pressure
Power increases, and the gas in the second leather cup 202 is expelled to discharge outlet 4012 by discharge-channel.
As diaphragm member 20 continues to swing, the first leather cup 201 is compressed, and the volume of the first leather cup 201 reduces, internal pressure
Increasing, the gas in the first leather cup 201 is expelled in the transfer chamber P10 of cylinder body 10 by return flow line, at the same time, the second skin
Bowl 202 is stretched, and the volume of the second leather cup 202 increases, and internal pressure reduces, and the gas in transfer chamber P10 is sucked into the
In two leather cups 202.
So circulation, in circulation next time, the first leather cup 201 is stretched again, sucks gas again by suction passage
Body, and the second leather cup 202 is re-compressed, then the gas sucked from transfer chamber P10 is passed through discharge-channel by the second leather cup 202
It is expelled to discharge outlet 4012, as shown in Fig. 2, gas is flowed according to dotted arrow direction in Fig. 2, realizes and is inhaled from suction inlet 4011
Enter, after two second compressions, is discharged from discharge outlet 4012.
In other words, the gas diaphragm pump in the application at work, the gas being sucked into the first leather cup 201, by the
One leather cup 201 carries out the first second compression, so that gas is compressed into return flow line, and enters to transfer chamber via return flow line
P10, then it is sucked into the second leather cup 202 from transfer chamber P10, then the second second compression is carried out to gas by the second leather cup 202, make
It obtains gas and is expelled to discharge outlet 4012 from discharge-channel after the second second compression, the flow direction of gas is as shown by the arrows in Figure 2.
It should be noted that diaphragm pump in the related technology, when leather cup stretches, gas is sucked into skin by suction passage
Bowl, in leather cup compression, the gas in leather cup is directly discharged by discharge-channel, in other words, diaphragm pump in the related technology
It being discharged after only carrying out first compression to gas, the negative pressure that this first compression discharge can be generated is relatively small, also, by
It is limited in the volume size of motor speed and leather cup, causes negative pressure that can not further increase.
The gas diaphragm pump provided according to embodiments of the present invention, the gas that suction inlet 4011 sucks are entered by suction passage
To the first leather cup 201, through entering transfer chamber P10 by return flow line after being compressed by the first leather cup 201, and from transfer chamber P10
It is sucked into the second leather cup 202, then second-compressed is carried out by the second leather cup 202, is expelled to discharge finally by discharge-channel
Mouth 4012, in this way, using two second compressions are passed through, also, return flow line is located at pump head 40, and the amount for the gas that can be flowed back is larger,
Allow to further increase the negative pressure value at suction inlet 4011 and the positive pressure value at discharge outlet 4012.
Based on inventive concept of the invention, multiple return flow lines can also be constructed as needed, multiple return flow lines are successively
Series connection, also, a leather cup is connected between two neighboring return flow line, in this way, upper one in two neighboring return flow line is returned
Fluid in circulation road can be discharged into the leather cup, then compress by the leather cup and be discharged into next leather cup, such as
This, may be implemented multiple compression to gas, such as three second compressions, four second compressions etc., and then reach higher negative pressure value or just
Pressure value.
Referring to shown in Fig. 2 to Fig. 8, in one embodiment of the invention, the top of the first leather cup 201 and the second leather cup 202
Portion opens wide and forms opening；The top of the pump head 40 and first leather cup 201 and the second leather cup 202 fits closely, the suction
Enter channel and return flow line to be connected to the opening of first leather cup 201, the discharge-channel and second leather cup 202
Opening connection.
That is, the arrival end of suction passage is connected to suction inlet 4011, the outlet end of suction passage and the first leather cup
201 open connection, and the arrival end of return flow line is connected to the opening of the first leather cup 201, the outlet end of return flow line is in
Turn chamber P10 connection, the arrival end of discharge-channel is connected to the opening of the second leather cup 202, the outlet end of discharge-channel and discharge outlet
4012 connections, so, it can be ensured that when the first leather cup 201 is stretched, gas is sucked into the first leather cup 201 by suction passage,
And the first leather cup 201 is when being compressed, the gas of the first leather cup 201 can be emitted into transfer chamber P10 by return flow line, and really
When protecting the second leather cup 202 and being stretched, the gas in transfer chamber P10 be able to enter after to the second leather cup 202, and the second leather cup 202
When being compressed, the gas in the second leather cup 202 can be discharged by discharge-channel.
Referring to shown in Fig. 2 to Fig. 6, in some embodiments of the invention, pump head 40 includes pump head lid 401 and valve plate 402,
The lower surface of pump head lid 401 has suction chamber P401 independent of each other, back cavity P402 and discharge chamber P403, the suction inlet
4011 are connected to the suction chamber P401, and the discharge outlet 4012 is connected to the discharge chamber P403.In Fig. 4 example, pump head
The internal cavity of pump head lid 401 is isolated by suction chamber P401, back cavity P402 and row by integrally formed partition in lid 401
Put chamber P403, wherein discharge chamber P403 is located at the center of pump head lid 401, and back cavity P402, which is located at, is enclosed in discharge chamber P403's
Outside, and suction chamber P401 is enclosed in the outside of back cavity P402 and discharge chamber P403.
Valve plate 402 is fitted tightly over the lower surface of the pump head lid 401, and the valve plate 402 is equipped with through hole 4024, first
Sets of vias and the second sets of vias, the through hole 4024 are connected to the back cavity P402, and the diaphragm member 20 is equipped with institute
State the first intercommunicating pore 203 that through hole 4024 is connected with the transfer chamber P10, that is to say, the outlet end of back cavity P402 according to
It is secondary pass through the first intercommunicating pore 203, through hole 4024 is connected to transfer chamber P10.
First through hole group includes at least one access aperture 4021 and at least one return port 4023, and the access aperture 4021 is certainly
The suction chamber P401 is to 201 one-way conduction of the first leather cup, so that the suction chamber P401 and the access aperture 4021 connect
It is logical to form the suction passage, the return port 4023 from first leather cup 201 to the back cavity P402 one-way conduction, with
The return port 4023, back cavity P402 and through hole 4024 is set to be sequentially communicated to form the return flow line.
Second sets of vias includes at least one tap 4022, and the tap 4022 is from second leather cup 202 to institute
Discharge chamber P403 one-way conduction is stated, so that the tap 4022 is connected to form the discharge-channel with discharge chamber P403.
That is, access aperture 4021 is connected to form suction passage with suction chamber P401, and the suction passage is self-priming
Enter the direction one-way conduction of chamber P401 to first leather cup 201；Return port 4023, back cavity P402 and through hole 4024 successively connect
It is logical to form return flow line, also, the return flow line is the direction one-way conduction from return port 4023 to through hole 4024；Discharge
Hole 4022 is connected to form discharge-channel with discharge chamber P403, also, the discharge-channel is from tap 4022 to discharge outlet 4012
Direction one-way conduction.
In this way, gas is merely able to enter to from suction chamber P401 via access aperture 4021 when the first leather cup 201 is stretched
In first leather cup 201, and when the first leather cup 201 is compressed, the gas in the first leather cup 201 is merely able to flow from return port 4023
Enter to back cavity P402, then successively enters to transfer chamber P10 via through hole 4024, the first intercommunicating pore 203 from back cavity P402
It is interior.When the second leather cup 202 is stretched, the gas in transfer chamber P10 is sucked into the second leather cup 202, and in the second leather cup
202 when being compressed, and the gas in the second leather cup 202 enters to discharge chamber P403 by tap 4022, then from discharge chamber P403
It is expelled to discharge outlet 4012.
In the present embodiment, using the pump head 40 of above structure, can be formed relatively independent suction passage, return flow line and
Discharge-channel, it is ensured that successively flowed according to the path of suction passage, return flow line, discharge-channel, improve gas diaphragm pump work
Stability and reliability.In addition, its structure is simple, it is easy to assembly.
Referring to shown in Fig. 3 to Fig. 5, in one embodiment of the invention, further include gasket 41, breather check valve 403 and
Outgassing nonreturn valve 404, wherein gasket 41 is located between the valve plate 402 and the pump head lid 401, and shape on the gasket 41
At there is the first check valve sheet 411, first check valve sheet 411 is tightly attached to the valve plate 402, to control the return port 4023
One-way conduction.Breather check valve 403 is located on the valve plate 402, to control 4021 one-way conduction of access aperture, the outlet
Check valve 404 is located on the valve plate 402, to control 4022 one-way conduction of tap.
That is, the first check valve sheet 411 on gasket 41 is used to control the unidirectional of the return port 4023 on valve plate 402
Conducting, which is generally made of elastic plastic material, such as silica gel, rubber etc..When the first leather cup 201 is compressed,
Its air pressure inside increases, and forces the first check valve sheet 411 to the Direction distortion far from valve plate 402, and then opens return port 4023,
And the air inlet guide valve of air inlet position is unable to reverse-conducting, so, the gas in the first leather cup 201 can only be via the return port
4023 enter to back cavity P402.
And breather check valve 403 is used to control the one-way conduction of access aperture 4021 on valve plate 402, also, breather check valve
403 is opposite with the conducting direction of the first check valve sheet 411；Outgassing nonreturn valve 404 is for controlling tap 4022 on valve plate 402
(such as silica gel, rubber) can be made using elastoplastic in one-way conduction, the breather check valve 403 and outgassing nonreturn valve 404
Umbrella valve.When the first leather cup 201 is stretched, air pressure inside reduces, and forces breather check valve 403 to far from valve plate 402
Lower surface Direction distortion, and then open access aperture 4021, and the first check valve sheet 411 at this time is unable to reverse-conducting, makes
Gas in suction chamber P401 is obtained to enter in the first leather cup 201 via the access aperture 4021.When the second leather cup 202 is compressed,
Its air pressure inside increases, and forces Direction distortion of the outlet unidirectionally to the upper surface far from valve plate 402, and then open tap
4022, so that gas via the tap 4022 enters to discharge chamber P403 in the second leather cup 202, finally by discharge chamber P403
It is emitted into discharge outlet 4012.
It can be divided using the first check valve sheet 411 on breather check valve 403, outgassing nonreturn valve 404 and gasket 41 as a result,
Not Shi Xian access aperture 4021, tap 4022 and return port 4023 one-way conduction, also, its structure is simple.
Further, gasket 41 is equipped with the second intercommunicating pore for being connected to the through hole 4024 with the back cavity P402
412.The upper surface of cylinder body 10 is additionally provided with the third connecting hole 101 being connected to transfer chamber P10, in this way, back cavity P402, the second company
Through-hole 412, through hole 4024, third connecting hole 101 and transfer chamber P10 are sequentially communicated, and gas can pass through in back cavity P402
Second intercommunicating pore 412 enters to through hole 4024, is flowing into transfer chamber P10 from through hole 4024, third connecting hole 101.
Referring to shown in 2 to Fig. 4 and Fig. 7, in some embodiments of the invention, the bottom of the first leather cup 201 is closed, described
The bottom of second leather cup 202 is formed with second one-way valve piece 2021.
Actuator 30 includes the swinging frame 301 being contained in the transfer chamber P10, and the swinging frame 301 has piston portion
3011, the piston portion 3011 is connected to the bottom of corresponding second leather cup 202, and the piston portion 3011 has connection
The conduction hole 3011a of the transfer chamber P10.The piston portion 3011 can be waved with swinging frame 301, so compress or stretch and its
Second leather cup 202 of connection.
Second membrane is tightly attached to the piston portion 3011, to control the conduction hole 3011a from the transfer chamber P10
To 202 one-way conduction of the second leather cup.
That is, one end of the conduction hole 3011a on piston portion 3011 is connected to the transfer chamber P10 of cylinder body 10,
And what the other end was close to 2021 phase of second one-way valve piece of 202 bottom of the second leather cup, when the second leather cup 202 is stretched, the
Pressure in two leather cups 202 reduces, then the gas in transfer chamber P10 forces second one-way valve piece 2021 into the second leather cup 202
Deformation, and then conduction hole 3011a is opened, so that the gas in transfer chamber P10 enters to the second leather cup by conduction hole 3011a
In 202, the gas in transfer chamber P10 is sucked into the second leather cup 202 when stretching in this way, realizing the second leather cup 202,
Structure is simple, and it is possible to ensure the reliability of the second leather cup 202 work.
It is understood that swinging frame 301 is also connected with the bottom of the first leather cup 201, such as swing component is equipped with and wears
Hole, the bottom wall of the first leather cup 201 have the interconnecting piece 2011 extended to form, which, which is set on, wears in hole, works as pendulum
When moving frame 301 is swung, the first leather cup 201 is compressed or stretched by interconnecting piece 2011.
Referring to Figure 5, in one embodiment of the invention, the lower surface of valve plate 402 is equipped with and first leather cup
201 opposite stepped grooves, the stepped groove have the first cascaded surface 4025 and the second cascaded surface 4026, second cascaded surface
4026 are located at the top of first cascaded surface 4025；The return port 4023 is located on first cascaded surface 4025, described
At least one access aperture 4021 is located on second cascaded surface 4026, and the breather check valve 403 is located in the stepped groove
And do not block the return port 4023.
That is, return port 4023 and access aperture 4021 are located at the first cascaded surface 4025 and the second cascaded surface 4026
On, breather check valve 403 is located in stepped groove, for controlling the one-way conduction of access aperture 4021, but does not hide return port 4023.Such as
This, on the one hand, when valve plate 402 and diaphragm member 20 fit closely, the opening of the first leather cup 201 in diaphragm member 20 can be with rank
Terraced slot connection, and then ensure that the return port 4023 in stepped groove and access aperture 4021 are connected to the opening of the first leather cup 201；It is another
Aspect also facilitates the processing of return port 4023 and access aperture 4021, in processing, as long as ensuring return port 4023 and access aperture
4021 are located at the first cascaded surface 4025 and the second cascaded surface 4026, should not accurate position dimension, improve generate plus
Work yield.
Referring to shown in Fig. 6, in one embodiment of the invention, the upper surface of valve plate 402 is equipped with locating slot 4027, described
Gasket 41 is located in the locating slot 4027, and the pump head lid 401 is fitted closely with the gasket 41.In this way, utilizing the positioning
Slot and 4027 gaskets 41 cooperate, and can limit the circumferential freedom degree of gasket 41, so that assembly is more convenient, and, it is ensured that gasket
The second intercommunicating pore 412 on 41 can be aligned with through hole 4024.
Referring to shown in Fig. 3 to Fig. 7, in one embodiment of the invention, the first leather cup 201 and the second leather cup 202 are more
It is a, multiple first leather cups 201 and the second leather cup 202 around a vertical axis circumferentially-spaced arrangement, and it is two neighboring described
There is second leather cup 202 between first leather cup 201.
In this way, multiple first leather cups 201 and the second leather cup 202 successively can be compressed and be stretched according to circumferential sequence, and
And first leather cup 201 compression or stretch after, the second leather cup 202 recompression or stretch, so recycle, continuous work may be implemented,
Ensure lasting negative pressure or positive pressure output.
Referring to figs. 1 to shown in Fig. 3, in one embodiment of the invention, actuator 30 further includes driving motor 303 and bottom
Seat 302, the driving motor is installed on the pedestal 302, and the driving motor can connect swinging frame by eccentric wheel
301, when driving motor rotates, waved by eccentric wheel drive swinging frame 301 around vertical axis.Pedestal 302 and the cylinder body 10
It connects and limits the transfer chamber P10 jointly with the cylinder body 10, in this way, being convenient to the peace of driving motor 303 and cylinder body 10
Dress.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of gas diaphragm pump characterized by comprising
Cylinder body has transfer chamber；
Diaphragm member is located above the cylinder body, and the diaphragm member has the first leather cup and the second leather cup；
Actuator is connected with the diaphragm member, to drive the diaphragm member to swing and compress or stretch first leather cup and
Second leather cup；
Pump head is located above the diaphragm member, defines suction passage, return flow line and discharge-channel, institute inside the pump head
Pump head is stated equipped with suction inlet and discharge outlet；
First leather cup is configured as sucking the gas of the suction inlet, Yi Ji by the suction passage when being stretched
The gas of sucking is emitted by the transfer chamber by the return flow line when being compressed；Second leather cup is configured as in quilt
Gas is sucked when stretching from the transfer chamber, and is when compressed expelled to the gas of sucking by the discharge-channel
The discharge outlet.
2. gas diaphragm pump according to claim 1, which is characterized in that the top of first leather cup and the second leather cup is spacious
Open form is at opening；
Fitted closely at the top of the pump head and first leather cup and the second leather cup, the suction passage and return flow line with
The open connection of first leather cup, the discharge-channel are connected to the opening of second leather cup.
3. gas diaphragm according to claim 1 pump, which is characterized in that the pump head includes:
Pump head lid, the lower surface of the pump head lid have suction chamber independent of each other, back cavity and a discharge chamber, the suction inlet with
The suction chamber connection, the discharge outlet are connected to the discharge chamber；
Valve plate, the valve plate are fitted tightly over the lower surface of the pump head lid, the valve plate be equipped with through hole, first through hole group and
Second sets of vias, the through hole are connected to the back cavity, and the diaphragm member is equipped with the through hole and the transfer
The first intercommunicating pore that chamber is connected；
The first through hole group includes at least one access aperture and at least one return port, the access aperture from the suction chamber extremely
The first leather cup one-way conduction, so that the suction chamber is connected to form the suction passage with the access aperture, the reflux
Hole is from first leather cup to the back cavity one-way conduction, so that the return port, back cavity and through hole are sequentially communicated shape
At the return flow line；
Second sets of vias includes at least one tap, and the tap is unidirectional from second leather cup to the discharge chamber
Conducting, so that the tap is connected to form the discharge-channel with discharge chamber.
4. gas diaphragm pump according to claim 3, which is characterized in that further include gasket, breather check valve and outlet list
To valve；
The gasket is located between the valve plate and the pump head lid, and the first check valve sheet is formed on the gasket, described
First check valve sheet is tightly attached to the valve plate, to control the return port one-way conduction；
The breather check valve is located on the valve plate, and to control the access aperture one-way conduction, the outgassing nonreturn valve is located at
On the valve plate, to control the tap one-way conduction.
5. gas diaphragm pump according to claim 4, which is characterized in that the gasket is equipped with the through hole and institute
State the second intercommunicating pore of back cavity connection.
6. gas diaphragm according to claim 1 pump, which is characterized in that the bottom of first leather cup is closed, and described the
The bottom of two leather cups is formed with second one-way valve piece；
The actuator includes the swinging frame being contained in the transfer chamber, and the swinging frame has piston portion, the piston portion
It is connected to the bottom of corresponding second leather cup, and the piston portion has the conduction hole for being connected to the transfer chamber；
Second membrane is tightly attached to the piston portion, to control the conduction hole from the transfer chamber to second skin
Bowl one-way conduction.
7. gas diaphragm pump according to claim 3, which is characterized in that the lower surface of the valve plate is equipped with and described first
The opposite stepped groove of leather cup, the stepped groove have the first cascaded surface and the second cascaded surface, and second cascaded surface is located at described
The top of first cascaded surface；The return port is located on first cascaded surface, at least one described access aperture is located at described
On two cascaded surfaces, the breather check valve is located in the stepped groove and does not block the return port.
8. gas diaphragm pump according to claim 4, which is characterized in that the upper surface of the valve plate is equipped with locating slot, institute
It states gasket to be located in the locating slot, the pump head lid is fitted closely with the gasket.
9. gas diaphragm according to claim 1 pump, which is characterized in that first leather cup and the second leather cup be it is multiple,
Multiple first leather cups and the second leather cup around a vertical axis circumferentially-spaced arrangement, and two neighboring first leather cup it
Between have second leather cup.
10. gas diaphragm pump according to claim 1, which is characterized in that the actuator further includes driving motor and bottom
Seat, the driving motor are installed on the pedestal, and the pedestal connect with the cylinder body and limits jointly with the cylinder body
The transfer chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910123046.5A CN109838372A (en) | 2019-02-19 | 2019-02-19 | Gas diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910123046.5A CN109838372A (en) | 2019-02-19 | 2019-02-19 | Gas diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109838372A true CN109838372A (en) | 2019-06-04 |
Family
ID=66884651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910123046.5A Pending CN109838372A (en) | 2019-02-19 | 2019-02-19 | Gas diaphragm pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109838372A (en) |
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| JP2004197571A (en) * | 2002-12-16 | 2004-07-15 | Oken Ltd | Diaphragm pump |
| JP2007009716A (en) * | 2005-06-28 | 2007-01-18 | Oken Ltd | Diaphragm pump |
| CN203570548U (en) * | 2013-11-19 | 2014-04-30 | 厦门坤锦电子科技有限公司 | Novel membrane air pump |
| CN204186557U (en) * | 2014-09-12 | 2015-03-04 | 厦门科际精密器材有限公司 | Air pump |
| CN107476979A (en) * | 2017-08-10 | 2017-12-15 | 珠海格力节能环保制冷技术研究中心有限公司 | The assembly method of compressor, air conditioner and compressor |
| CN207195148U (en) * | 2017-08-30 | 2018-04-06 | 厦门科际精密器材有限公司 | Membrane pump |
| CN108005888A (en) * | 2016-11-01 | 2018-05-08 | 厦门科际精密器材有限公司 | Piston component and pumping for pumping |
| CN108012550A (en) * | 2015-08-27 | 2018-05-08 | 株式会社Fourl设计 | Double pump withdrawing fluid pumps |
| CN210068448U (en) * | 2019-02-19 | 2020-02-14 | 深圳市时光电子有限公司 | Gas diaphragm pump |
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2019
- 2019-02-19 CN CN201910123046.5A patent/CN109838372A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004197571A (en) * | 2002-12-16 | 2004-07-15 | Oken Ltd | Diaphragm pump |
| JP2007009716A (en) * | 2005-06-28 | 2007-01-18 | Oken Ltd | Diaphragm pump |
| CN203570548U (en) * | 2013-11-19 | 2014-04-30 | 厦门坤锦电子科技有限公司 | Novel membrane air pump |
| CN204186557U (en) * | 2014-09-12 | 2015-03-04 | 厦门科际精密器材有限公司 | Air pump |
| CN108012550A (en) * | 2015-08-27 | 2018-05-08 | 株式会社Fourl设计 | Double pump withdrawing fluid pumps |
| CN108005888A (en) * | 2016-11-01 | 2018-05-08 | 厦门科际精密器材有限公司 | Piston component and pumping for pumping |
| CN107476979A (en) * | 2017-08-10 | 2017-12-15 | 珠海格力节能环保制冷技术研究中心有限公司 | The assembly method of compressor, air conditioner and compressor |
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| CN210068448U (en) * | 2019-02-19 | 2020-02-14 | 深圳市时光电子有限公司 | Gas diaphragm pump |
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