CN209195650U - A kind of diaphragm pump of multi-chamber synchronous transport fluid - Google Patents
A kind of diaphragm pump of multi-chamber synchronous transport fluid Download PDFInfo
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- CN209195650U CN209195650U CN201821502903.XU CN201821502903U CN209195650U CN 209195650 U CN209195650 U CN 209195650U CN 201821502903 U CN201821502903 U CN 201821502903U CN 209195650 U CN209195650 U CN 209195650U
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- diaphragm pump
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Abstract
The utility model provides a kind of diaphragm pump of multi-chamber synchronous transport fluid, the diaphragm pump includes driving section, compression unit and delivery section: the driving section can provide power to the compression unit and delivery section, and the driving section includes sequentially connected motor, crankshaft-and-connecting-rod；The compression unit includes diaphragm, and the diaphragm includes at least two chambers；The delivery section includes valve and fluid supplying passage；The central axis of the central axis of the motor and the diaphragm is arranged, the crankshaft and the diaphragm are respectively arranged on the both ends of the connecting rod, the motor drives the connecting rod to move back and forth by the crankshaft, the connecting rod drives the diaphragm to move back and forth in turn, the synchronous sucking of each chamber or discharge fluid to control the diaphragm pump, the diaphragm pump of multi-chamber synchronous transport fluid described in the utility model can be realized the purpose of multi-chamber synchronous transport fluid, and structure is simple, market popularization value with higher.
Description
Technical field
The utility model relates to technical field of fluid delivery, are related to a kind of diaphragm pump, in particular to a kind of multi-chamber is synchronous
The diaphragm pump of trandfer fluid.
Background technique
Diaphragm pump is mainly used as fluid conveying machine as a kind of positive displacement pump.Existing diaphragm pump is relied primarily on convex
The diaphragm of degree accommodates the chamber of fluid to be formed, and changes the volume of chamber by agitating back and forth for diaphragm to sucking
With discharge fluid.
As shown in Figure 1, diaphragm pump generally includes driving section, compression unit and delivery section, diaphragm pump passes through driving section to compression
Portion and delivery section provide power, and compression unit changes cavity volume by agitating back and forth for built-in membrane piece to sucking and discharge stream
Body, delivery section is mainly responsible for will be in external fluid sucking or discharge diaphragm.In general, delivery section mainly include inlet valve,
Dump valve and fluid supplying passage；Driving section includes motor and eccentric wheel, and compression unit includes diaphragm driving and diaphragm.In general, horse
The surface reached is equipped with a protruding shaft, and protruding shaft can be connect with eccentric wheel fitting, and eccentric wheel is equipped with an eccentric orfice, sets in eccentric orfice
There is a steel shaft；The center of diaphragm driving is equipped with one and is drivingly connected hole, and one end insertion of steel shaft is drivingly connected in hole, and the other end is with one
Deviation angle is inserted into the eccentric orfice of eccentric wheel；And the edge of diaphragm driving is equipped with several diaphragm connecting holes, the bottom end of diaphragm is logical
Diaphragm connecting hole is crossed to be connected with diaphragm driving.
In trandfer fluid, diaphragm pump drives protruding shaft to rotate by motor, eccentric wheel rotation is driven by protruding shaft, by inclined
The inclined direction of the rotation of heart wheel, the steel shaft being fixed on eccentric wheel will change, and then drive the inclination side of diaphragm driving
To changing, at this point, rising if the diaphragm of side drives, the volume of corresponding diaphragm will be reduced, the indoor pressure increase of chamber,
To open the dump valve being arranged on the diaphragm, fluid can be discharged via dump valve；At the same time, the diaphragm driving of opposite side
Decline, corresponding diaphragm volume just will increase, the indoor pressure of chamber reduces, to open the sucking being arranged on the diaphragm
Valve, fluid are flowed into via inlet valve, in this way, fluid can flow into it from outside by inlet valve by the variation of cavity volume
In the chamber of middle side, meanwhile, dump valve can be opened to the fluid in side cavity and be discharged out of chamber, therefore diaphragm pump plays
Pump the effect of fluid.
By above description, it is not difficult to find that existing diaphragm pump is to drive steel shaft inclined direction by the rotation of eccentric wheel
Variation, diaphragm chamber sucking or discharge fluid are driven by the variation of steel shaft inclined direction, in diaphragm pump, especially multi-chamber
In the diaphragm pump course of work, each chamber can only in such a way that single-chamber exports in turn outside trandfer fluid, or inputted in turn with single-chamber
Mode suck external fluid, can not by the indoor fluid of different diaphragm cavities simultaneously input or output so that diaphragm pump exists
There is biggish limitation in practical application.Especially when the indoor fluid difference of different diaphragm cavities, multi-chamber cannot achieve
The indoor different fluid of different diaphragm cavities is inputted or is exported simultaneously by synchronous transport fluid.
Utility model content
In view of this, the utility model is directed to a kind of diaphragm pump of multi-chamber synchronous transport fluid, it is existing to solve
Diaphragm pump cannot achieve the problem of multi-chamber synchronous transport fluid.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of diaphragm pump of multi-chamber synchronous transport fluid, the diaphragm pump includes driving section, compression unit and delivery section: institute
Power can be provided to the compression unit and delivery section by stating driving section, the driving section include sequentially connected motor, crankshaft and
Connecting rod；The compression unit includes diaphragm, and the diaphragm includes at least two chambers；The delivery section includes valve and fluid conveying
Channel；The central axis of the central axis of the motor and the diaphragm is arranged, and the crankshaft and the diaphragm are respectively arranged on institute
State the both ends of connecting rod, the motor drives the connecting rod to move back and forth by the crankshaft, the connecting rod so drive it is described every
Film moves back and forth, the synchronous sucking of each chamber to control the diaphragm pump or discharge fluid.
Further, the crankshaft is equipped with centre bore and eccentric shaft, and the centre bore and eccentric shaft are along the crankshaft
Axial setting, the output shaft of the motor are connected by the centre bore with the crankshaft.
Further, the connecting rod includes the first connecting portion and second connecting portion being arranged in a mutually vertical manner.
Further, the first connecting hole, the song is arranged far from one end of the second connecting portion in the first connecting portion
Axis is connect by first connecting hole with the connecting rod, and the crankshaft is vertically arranged with the first connecting portion.
Further, the second connecting portion is equipped with the second connecting hole, the chamber of second connecting hole and the diaphragm
Room is arranged in a one-to-one correspondence and connects, and the central axis of the second connecting portion and the diaphragm is arranged.
Further, first connecting hole is slotted hole, and the long axis of first connecting hole is perpendicular to the diaphragm
The short axle of central axis, first connecting hole is parallel to the central axis of the diaphragm.
Further, the diaphragm includes the different chamber of at least two volumes.
Further, the diaphragm includes the identical chamber of three volumes and the different chamber of a volume.
Further, second connecting hole is equipped with boss close to the side of the diaphragm, and the boss is annular convex platform.
Further, the driving section further includes support frame, support frame as described above include the first support portion, the second support portion and
Third support portion, first support portion are the arc panel around the motor periphery, and second support portion is setting in institute
Motor is stated close to the support plate of one end of the crankshaft, the third support portion is and the vertically disposed branch of the second support portion
Fagging.
Compared with the existing technology, the diaphragm pump of multi-chamber synchronous transport fluid described in the utility model can be realized multi-cavity
The purpose of room synchronous transport fluid, and structure is simple, market popularization value with higher.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the structural schematic diagram of diaphragm pump in the prior art；
Fig. 2 is the structural schematic diagram of diaphragm pump described in the utility model embodiment；
Fig. 3 is the Structure explosion diagram of diaphragm pump described in the utility model embodiment；
Fig. 4 is that another structural schematic diagram of diaphragm pump described in the utility model embodiment (removes support frame and diaphragm storehouse
Afterwards)；
Fig. 5 is the structural schematic diagram of the connecting rod of diaphragm pump described in the utility model embodiment；
Fig. 6 is another structural schematic diagram of the connecting rod of diaphragm pump described in the utility model embodiment；
Fig. 7 is the structural schematic diagram of the crankshaft of diaphragm pump described in the utility model embodiment；
Fig. 8 is the structural schematic diagram of the support frame of diaphragm pump described in the utility model embodiment；
Fig. 9 is another structural schematic diagram of the support frame of diaphragm pump described in the utility model embodiment.
Description of symbols:
1- motor, 2- crankshaft, 21- centre bore, 22- eccentric shaft, 3- connecting rod, 31- first connecting portion, the connection of 311- first
Hole, 32- second connecting portion, the second connecting hole of 321-, 322- boss, 4- support frame, the first support portion of 41-, 42- second are supported
Portion, the first mounting hole of 421-, 43- third support portion, the second mounting hole of 431-, 432- screw pole, 5- diaphragm storehouse, 6- diaphragm, 7-
First valve body, 8- valve block, the second valve body of 9-, 10- screw, 11- connector.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are under that premise of not paying creative labor
Every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand
For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.
In addition, fluid described in the utility model embodiment is one of gas and/or liquid or a variety of.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment 1
A kind of diaphragm pump of multi-chamber synchronous transport fluid, as shown in figs. 2-9, including driving section, compression unit and delivery section:
The driving section can provide power to the compression unit and delivery section, and the driving section includes sequentially connected motor 1, crankshaft
2 and connecting rod 3；The compression unit includes diaphragm 6, and the diaphragm 6 includes at least two chambers；The delivery section includes valve and stream
Body transfer passage；The central axis of the central axis of the motor 1 and the diaphragm 6 is arranged, the crankshaft 2 and the diaphragm 6
The both ends of the connecting rod 3 are respectively arranged on, the motor 1 drives the connecting rod 3 to move back and forth by the crankshaft 2, the connecting rod 3
And then the diaphragm 6 is driven to move back and forth, the synchronous sucking of each chamber to control the diaphragm pump or discharge fluid.
Further, the crankshaft 2 is equipped with centre bore 21 and eccentric shaft 22, and the centre bore 21 and eccentric shaft 22 are along institute
The axial setting of crankshaft 2 is stated, the output shaft of the motor 1 is connected by the centre bore 21 with the crankshaft 2.
Further, the connecting rod 3 includes the first connecting portion 31 and second connecting portion 32 being arranged in a mutually vertical manner, described
The first connecting hole 311 is arranged far from one end of the second connecting portion 32 in first connecting portion 31, and the eccentric shaft 22 of the crankshaft 2 is logical
It crosses first connecting hole 311 to connect with the connecting rod 3, the crankshaft 2 is vertically arranged with the first connecting portion 31.Described
Two interconnecting pieces 32 are equipped with the second connecting hole 321, and the chamber of second connecting hole 321 and the diaphragm 6 is arranged in a one-to-one correspondence
And connect, the second connecting portion 32 and the central axis of the diaphragm 6 are arranged.
Diaphragm pump described in the present embodiment is by setting the central axis of the motor 1 and the central axis of the diaphragm 6
It sets, and the one end of the connecting rod 3 far from the crankshaft 2 is arranged in the diaphragm 6.At work, passed through using the motor 1
Crankshaft 2 drives the connecting rod 3 to move back and forth, and drives the diaphragm 6 to move back and forth by connecting rod 3, due to the motor 1 with it is described
Diaphragm 6 is vertically arranged, therefore, when the output shaft of the motor 1 drives the crankshaft 2 to be rotated, the bias of the crankshaft 2
Axis 22 can only move in a circle in the plane of the central axis perpendicular to the motor 1, so that the crankshaft 2 can only drive
The connecting rod 3 the central axis perpendicular to the motor 1 flat in-plane moving, further such that the connecting rod 3 can only drive institute
Diaphragm 6 is stated in the flat in-plane moving for the central axis for being parallel to the motor 1, enables all chambers of the diaphragm 6 same
In the state compressed or be stretched in one time, so that all chambers of the diaphragm 6 can be synchronized with pulse
The synchronous input of form or output fluid.
Specifically, under the drive of the motor 1, end of the eccentric shaft 22 far from the motor 1 will perpendicular to
It moves in a circle in the plane of the central axis of the motor 1.When the eccentric shaft 22 is in the position farthest apart from the diaphragm 6
When, all chambers of the diaphragm 6 will be in the state being stretched to the greatest extent, when the eccentric shaft 22 is by described in distance
Behind the farthest position of diaphragm 6 gradually to the diaphragm 6 close to when, all chambers of the diaphragm 6 will be compressed simultaneously, be subject to
Drawing force is gradually reduced, and gradually becomes nature from the state of being stretched, then become confined state from nature, when described
When eccentric shaft 22 moves to the position nearest apart from the diaphragm 6, all chambers of the diaphragm 6 will be in quilt to the greatest extent
The state of compression, when the eccentric shaft 22 is gradually distance from the diaphragm 6 behind the position nearest apart from the diaphragm 6, institute
All chambers for stating diaphragm 6 will be stretched simultaneously, and the compressing force being subject to is gradually reduced, and all chambers of the diaphragm 6 will gradually
Nature is become from confined state, then the state of being stretched is become from nature, until the eccentric shaft 22 is again at
The position farthest apart from the diaphragm 6, the eccentric shaft 22 complete the movement of a cycle, the motion bit with the eccentric shaft 22
Set it is synchronous, when each chamber of diaphragm 6 is stretched, when volume becomes larger, it will sucking fluid；When each chamber of diaphragm 6
Room is compressed, when volume gradually becomes smaller, it will discharge liquid, with the cycle movement of the eccentric shaft 22, the diaphragm 6
Each chamber will be with the synchronous whole input or output for carrying out fluid of impulse form, and then realizes the diaphragm pump multi-chamber
The purpose of synchronous transport fluid.
Embodiment 2
For the purpose for further realizing diaphragm pump multi-chamber synchronous transport fluid described in embodiment 1, on the basis of embodiment 1
On, the structure of diaphragm pump described in embodiment 1 is advanced optimized.
Specifically, as shown in figs. 2-9, first connecting hole 311 is slotted hole.Preferably, first connecting hole 311
Long axis perpendicular to the central axis of the diaphragm 6, the short axle of first connecting hole 311 is parallel to the central axis of the diaphragm 6.
It is more preferred, the long axis of first connecting hole 311 perpendicular to the diaphragm 6 central axis, first connecting hole 311
Short axle is conllinear with the central axis of the diaphragm 6.
If first connecting hole 311 be with the consistent circular hole of 22 end shape of eccentric shaft, in diaphragm pump work,
The motion profile of the connecting rod 3 and diaphragm 6 will be completely consistent with the eccentric shaft 22, at this point, due to the fortune of the eccentric shaft 22
Dynamic rail mark is circle, and therefore, the eccentric shaft 22 also will drive the connecting rod 3 and diaphragm 6 in the central axis perpendicular to the motor 1
Plane in move in a circle, be stretched or compressed although each chamber of the diaphragm 6 can synchronize, in the eccentric shaft
Under 22 drive, the connecting rod 3 will generate offset on the central axis of the diaphragm 6, lead to each chamber of the diaphragm 6
Deformation situation generates fine difference, so that the synchronism of the input of each chamber of the diaphragm 6 or output fluid reduces, but this implementation
Example is counteracted under the drive of the eccentric shaft 22, the connecting rod 3 by setting slotted hole for first connecting hole 311
The offset generated on the central axis of the diaphragm 6 enables the diaphragm 6 under the drive of the connecting rod 3, along described
The central axis of diaphragm 6 moves back and forth, so that the synchronism of the input of each chamber of the diaphragm 6 or output fluid improves.
Further, in the diaphragm pump described in the present embodiment, the connecting rod 3 will drive the diaphragm 6 to synchronize movement,
Therefore, the max die travel distance of the connecting rod 3 is the critical altitude of the diaphragm 6.
Embodiment 3
For the purpose for further realizing diaphragm pump multi-chamber synchronous transport fluid described in embodiment 1, on the basis of embodiment 1
On, the structure of diaphragm pump described in embodiment 1 is advanced optimized.
Specifically, as shown in figs. 2-9, the diaphragm 6 includes the different chamber of at least two volumes, and the diaphragm 6 is not
It can be respectively intended to suck and be discharged two different fluids with chamber.It is different that volume is set by the chamber of the diaphragm 6
Chamber, convenient for adjusting the sucking and discharge rate of different fluid, conducive to the realization of higher mixing ratio.
Preferably, the diaphragm 6 includes four chambers, wherein three chambers are configured as sucking and gas is discharged, in addition
One chamber is configured as sucking and being discharged liquid, and the diaphragm pump is reached while being inputted or output liquid and gas
Purpose.
More preferred, the diaphragm 6 chamber different including the identical chamber of three volumes and a volume, wherein three
The identical chamber of a volume is configured as sucking and being discharged gas, and the different chamber of another volume is configured as sucking and arrange
Liquid out.
Further, second connecting hole 321 is equipped with boss 322 close to the side of the diaphragm 6, it is preferred that institute
Stating boss 322 is annular convex platform.The height of the boss 322 and the height of each chamber of the diaphragm 6 are correspondingly arranged, so that institute
The each chamber for stating diaphragm 6 can be bonded with the second connecting portion 32 to be contacted, so that the second connecting portion 32 can
Synchronous compression or each chamber for stretching the diaphragm 6.
Embodiment 4
For the purpose for further realizing diaphragm pump multi-chamber synchronous transport fluid described in embodiment 1, on the basis of embodiment 1
On, the structure of diaphragm pump described in embodiment 1 is advanced optimized.
Specifically, as shown in figs. 2-9, the driving section further includes support frame 4, support frame as described above 4 includes the first support portion
41, the second support portion 42 and third support portion 43, first support portion 41 are the arc of the periphery setting around the motor 1
Plate, second support portion 42 are that the motor 1 is arranged in close to the support plate of one end of the crankshaft 2, second support
Portion 42 is equipped with the first mounting hole 421, and first mounting hole 421 is set in the periphery of the crankshaft 2, the third support portion
43 be to be equipped with the second mounting hole 431, institute with the vertically disposed support plate of second support portion 42, the third support portion 43
Connecting rod 3 is stated to be connected after second mounting hole 431 with the diaphragm 6.The setting of support frame as described above 4 can to it is described every
Membrane pump provides effective protection, is conducive to improve stabilization of equipment performance.
Further, screw pole 432 is additionally provided on the third support portion 43, the screw pole 432 is configured as described
Third support portion 43 is connect with the screw of the diaphragm pump other component.
Further, the compression unit further includes diaphragm storehouse 5, and the periphery of the diaphragm 6 is arranged in the diaphragm storehouse 5.
The delivery section includes the first valve body 7 set gradually, valve block 8, the second valve body 9 and connector 11, and described first
Valve body 7, valve block 8, the second valve body 9 and connector 11 are connected by screw 10.
In conclusion it is not difficult to find that diaphragm pump described in the utility model can be realized the mesh of multi-chamber synchronous transport fluid
, and structure is simple, market popularization value with higher.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of diaphragm pump of multi-chamber synchronous transport fluid, which is characterized in that the diaphragm pump include driving section, compression unit and
Delivery section:
The driving section can provide power to the compression unit and delivery section, and the driving section includes sequentially connected motor
(1), crankshaft (2) and connecting rod (3)；
The compression unit includes diaphragm (6), and the diaphragm (6) includes at least two chambers；
The delivery section includes valve and fluid supplying passage；
The central axis of the motor (1) and the central axis of the diaphragm (6) are arranged, the crankshaft (2) and the diaphragm (6)
The both ends of the connecting rod (3) are respectively arranged on, the motor (1) drives the connecting rod (3) to move back and forth by the crankshaft (2),
The connecting rod (3) drives the diaphragm (6) to move back and forth in turn, the synchronous sucking of each chamber to control the diaphragm pump or row
Fluid out.
2. diaphragm pump according to claim 1, which is characterized in that the crankshaft (2) is equipped with centre bore (21) and eccentric
The axial direction setting of axis (22), the centre bore (21) and eccentric shaft (22) along the crankshaft (2), the output shaft of the motor (1)
It is connected by the centre bore (21) with the crankshaft (2).
3. diaphragm pump according to claim 1, which is characterized in that the connecting rod (3) includes first be arranged in a mutually vertical manner
Interconnecting piece (31) and second connecting portion (32).
4. diaphragm pump according to claim 3, which is characterized in that the first connecting portion (31) is far from second connection
The first connecting hole (311) are arranged in the one end in portion (32), and the crankshaft (2) passes through first connecting hole (311) and the connecting rod
(3) it connects, the crankshaft (2) is vertically arranged with the first connecting portion (31).
5. diaphragm pump according to claim 3, which is characterized in that the second connecting portion (32) is equipped with the second connecting hole
(321), second connecting hole (321) is arranged in a one-to-one correspondence and connect with the chamber of the diaphragm (6), the second connecting portion
(32) it is arranged with the central axis of the diaphragm (6).
6. diaphragm pump according to claim 4, which is characterized in that first connecting hole (311) is slotted hole, described the
Perpendicular to the central axis of the diaphragm (6), the short axle of first connecting hole (311) is parallel to the long axis of one connecting hole (311)
The central axis of the diaphragm (6).
7. diaphragm pump according to claim 1, which is characterized in that the diaphragm (6) includes that at least two volumes are different
Chamber.
8. diaphragm pump according to claim 1, which is characterized in that the diaphragm (6) includes the identical chamber of three volumes
The chamber different with a volume.
9. diaphragm pump according to claim 5, which is characterized in that second connecting hole (321) is close to the diaphragm (6)
Side be equipped with boss (322), the boss (322) be annular convex platform.
10. diaphragm pump according to claim 1, which is characterized in that the driving section further includes support frame (4), the branch
Support (4) includes that the first support portion (41), the second support portion (42) and third support portion (43), first support portion (41) are
Arc panel around the motor (1) periphery, second support portion (42) are setting in the motor (1) the close crankshaft
(2) support plate of one end, the third support portion (43) are and the vertically disposed support plate of second support portion (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821502903.XU CN209195650U (en) | 2018-09-14 | 2018-09-14 | A kind of diaphragm pump of multi-chamber synchronous transport fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821502903.XU CN209195650U (en) | 2018-09-14 | 2018-09-14 | A kind of diaphragm pump of multi-chamber synchronous transport fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209195650U true CN209195650U (en) | 2019-08-02 |
Family
ID=67406027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821502903.XU Active CN209195650U (en) | 2018-09-14 | 2018-09-14 | A kind of diaphragm pump of multi-chamber synchronous transport fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209195650U (en) |
-
2018
- 2018-09-14 CN CN201821502903.XU patent/CN209195650U/en active Active
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