CN107143489B - A kind of twin-diaphragm pump regulating device - Google Patents
A kind of twin-diaphragm pump regulating device Download PDFInfo
- Publication number
- CN107143489B CN107143489B CN201710513712.7A CN201710513712A CN107143489B CN 107143489 B CN107143489 B CN 107143489B CN 201710513712 A CN201710513712 A CN 201710513712A CN 107143489 B CN107143489 B CN 107143489B
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- Prior art keywords
- pump
- diaphragm
- twin
- pump housing
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/025—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms two or more plate-like pumping members in parallel
- F04B43/026—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms two or more plate-like pumping members in parallel each plate-like pumping flexible member working in its own pumping chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/028—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms with in- or outlet valve arranged in the plate-like flexible member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/12—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention belongs to diaphragm pump technical fields, a kind of twin-diaphragm pump regulating device proposed, including the pump housing and two pump heads connecting with the pump housing, diaphragm, diaphragm and spring axis connection are provided in pump head, spring shaft is arranged in the pump housing, and eccentric shaft is additionally provided in the pump housing, two pump heads are connected to by upper connector group with lower connector group, are provided on the pump housing and are extended to the intracorporal device for regulating rotary of pump, device for regulating rotary is connect with cam is adjusted, and is adjusted cam and is abutted with spring shaft；Device for regulating rotary is planetary gear regulating device, including rotating bar, it is provided with first gear in rotating bar, toothed disc is provided between eccentric shaft and first gear, several second gears engaged with the first gear are provided at the top of toothed disc, bottom is connect with cam is adjusted.Present inventive concept is ingenious, and the flow for solving twin-diaphragm pump in the prior art is adjusted generally in such a way that two pump heads are adjusted respectively, the technical issues of cannot carrying out simultaneously.
Description
Technical field
The invention belongs to diaphragm pump technical fields, are related to a kind of twin-diaphragm pump regulating device.
Background technique
Diaphragm pump also known as controls pump, is the main Types of actuator, by the control signal for receiving modulation unit output.Every
Membrane pump goes to change fluid flow by power operation.Various special occasions are placed in, cannot be aspirated for pumping various conventional pumps
Medium.Right people in actual operation, generally require that its flow is adjusted according to the service condition of diaphragm pump, but at present
The flow of twin-diaphragm pump is adjusted generally in such a way that two pump heads are adjusted respectively, cannot be carried out simultaneously, and degree of regulation is poor.
Summary of the invention
The present invention proposes a kind of twin-diaphragm pump regulating device, and the flow for solving twin-diaphragm pump in the prior art is adjusted generally
In such a way that two pump heads are adjusted respectively, the technical issues of cannot carrying out simultaneously.
The technical scheme of the present invention is realized as follows:
A kind of twin-diaphragm pump regulating device is set in the pump head including the pump housing and two pump heads connecting with the pump housing
It is equipped with diaphragm, the diaphragm and spring axis connection, the spring shaft setting is also set in the pump housing, and in the pump housing
Eccentric shaft is equipped with,
Two pump heads are connected to by upper connector group with lower connector group,
It is provided on the pump housing and extends to the intracorporal device for regulating rotary of pump, the device for regulating rotary and adjusting
Cam connection,
The adjusting cam is abutted with the spring shaft.
As further technical solution, the device for regulating rotary is planetary gear regulating device, including rotating bar, institute
It states rotating bar and extends to the intracorporal one end of the pump and be provided with first gear,
Be provided with toothed disc between the eccentric shaft and the first gear, be provided at the top of the toothed disc several with
The second gear of the first gear engagement, bottom is connect with the adjusting cam.
As further technical solution, handwheel sleeve is provided on one end that the rotating bar is located at outside the pump housing.
As further technical solution, the number of the second gear is 3~6.
As further technical solution, the surge tank being connected to the pump head, institute are provided in the upper connector group
It states and is provided with end socket on surge tank.
As further technical solution, the upper connector group includes the first three-way body, first three-way body both ends
Be symmetrically arranged with the surge tank, first three-way body is connect with the surge tank by the first connecting leg, the surge tank with
It is provided with flow-stop valve between the pump head,
The lower connector group includes the second three-way body, and second three-way body passes sequentially through the second connecting leg, elbow and institute
Pump head connection is stated, lower flow-stop valve is provided between the elbow and the pump head.
As further technical solution, first three-way body and first connecting leg, second three-way body and institute
The second connecting leg is stated to connect by locknut.
As further technical solution, the adjusting cam cross section is oval, rectangle or diamond shape.
The present invention is using principle and has the beneficial effect that
1, the present invention changes the regulative mode of traditional twin-diaphragm pump, and it is convex that single adjusting is provided between two spring shafts
Wheel, when use, only pass through the rotation of device for regulating rotary, can drive and adjust cam and be adjusted to the stroke repeatedly of spring shaft,
And then adjusted while realizing two pump chambers of twin-diaphragm pump (pump head internal cavity) flow, it is easy to operate, it is easy to accomplish, and pacify
Fill, repair it is convenient.
Wherein, dynamic regulating device can be single rotating bar and add positioning device, even if the rotation that the used time passes through rotating bar
The distance between adjustment adjusts the angle of cam and spring shaft, and then realize two spring shafts, after adjusting, pass through positioning device pair
The rotational angle of rotating bar is positioned, it is ensured that cam position not malleable is adjusted in use process, it is ensured that using effect.Its
In, rotating bar can top turntable is set, and locating rod is set on turntable, and several location holes are arranged on the pump housing, when use
After rotating bar rotate in place, locating rod is passed through into the corresponding location hole of turntable insertion to realize；Gear assembly can also be passed through
To realize.It is driven using planetary gear, effectively realizes the step-less adjustment function of equipment, ensure that entire adjustment process
Smoothness and stability, and structure is simple, intensity is high, noise is small, degree of regulation is high.
2, the present invention, which adjusts cam, can use symmetrical structure or dissymmetrical structure, but using symmetrical structure when can realize it is double
The synchronous adjustment of two pump chambers (two pump head internal cavities) flow, is precisely controlled two pump chamber flows convenient for user in diaphragm pump.
Wherein, adjust cam cross section it is oval when, the entire round and smooth no corner angle in edge so that adjust cam rotation when
Always it is remained unchanged with the contact area of spring shaft, and then ensures the stability for adjusting cam and spring shaft abutting arrangement, into
One step ensures the stability of regulating device operating, further ensures the step-less adjustment of equipment.
3, surge tank of the present invention setting effectively alleviates the fluid to run at high speed in diaphragm pump, the impact caused by pipeline with
It is loaded caused by diaphragm, reduces maintenance of equipment frequency, while reducing pulsatile impact to the adverse effect of instrument measurement, mentioned
The measuring accuracy and service life of each instrument on the high pump housing.End socket and the split type setting of surge tank simultaneously, convenient for user to slow
It rushes tank to be safeguarded, and effectively reduces the maintenance cost of equipment, improve maintenance speed.
4, upper connector group and lower connector group are disposed as split type structure by the present invention, convenient for equipment assembling, remove
Fortune and maintenance after single part is damaged, are only replaced damage component, without to entire component (upper connector
Group or lower connector group) it is replaced, this setting effectively reduces maintenance of equipment time and cost, and the use for meeting user needs
It asks.
Handwheel sleeve of the present invention is used cooperatively with the pump housing, is realized the totally-enclosed setting of regulating device, is reduced regulating device
The probability that abrasion, corrosion occurs, improves the service life of equipment, while increasing rubbing between rotating bar and operator's finger
Power is wiped, convenient for the rotation of rotating bar, is arranged scientific and reasonable.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is middle gear dish structure schematic diagram of the present invention；
In figure: the 1- pump housing, 2- pump head, 3- diaphragm, 4- spring shaft, 5- upper connector group, the first three-way body of 51-, 52-
One connecting leg, the upper flow-stop valve of 53-, 6- lower connector group, the second three-way body of 61-, the second connecting leg of 62-, 63- elbow, fluid stopping under 64-
Valve, 7- device for regulating rotary, 71- rotating bar, 72- first gear, 73- toothed disc, 74- second gear, 8- handwheel sleeve, 9- are eccentric
Axis, 10- end socket, 11- locknut, 12- adjust cam, 13- surge tank.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Fig. 1~2, a kind of twin-diaphragm pump regulating device proposed by the present invention, including the pump housing 1 and connect with the pump housing 1
Two pump heads 2, be provided with diaphragm 3 in pump head 2, diaphragm 3 is connect with spring shaft 4, and spring shaft 4 is arranged in the pump housing 1, and
Eccentric shaft 9 is additionally provided in the pump housing 1,
Two pump heads 2 are connected to by upper connector group 5 with lower connector group 6,
The device for regulating rotary 7 extended in the pump housing 1 is provided on the pump housing 1, device for regulating rotary 7 and adjusting cam 12 connect
It connects,
Cam 12 is adjusted to abut with spring shaft 4.
In use, user can as needed be adjusted device for regulating rotary 7, and then drives and adjust cam 12 therewith
Rotation, with the rotation for adjusting cam 12, the distance between two spring shafts 4 increase or decrease therewith, and then change spring
The reciprocating stroke of axis 4, to realize the adjusting of twin-diaphragm pump flow.The present invention changes the regulative mode of traditional twin-diaphragm pump,
Single adjusting cam is provided between two spring shafts 4, when use only passes through the rotation of device for regulating rotary 7, can drive
It adjusts cam 12 to be adjusted the stroke repeatedly of spring shaft 4, and then realizes two pump chambers of twin-diaphragm pump (pump head internal cavity)
It is adjusted while flow, it is easy to operate, it is easy to accomplish, and installation, maintenance is convenient.
Further, device for regulating rotary 7 is planetary gear regulating device, including rotating bar 71, rotating bar 71 extend to pump
One end in body 1 is provided with first gear 72,
It is provided with toothed disc 73 between eccentric shaft 9 and first gear 72, is provided with several and first at the top of toothed disc 73
The second gear 74 that gear 72 engages, bottom are connect with cam 12 is adjusted.
Device for regulating rotary 7 can be single rotating bar and add positioning device in the present invention, even if the used time passes through rotating bar
Rotation adjustment adjust the angle of cam 12 and spring shaft 4, and then realization the distance between two spring shafts 4, after adjusting, pass through
Positioning device positions the rotational angle of rotating bar, it is ensured that 12 position of cam not malleable is adjusted in use process, it is ensured that
Using effect.Wherein, rotating bar can top turntable is set, and locating rod is set on turntable, and be arranged on the pump housing 1 it is several fixed
Locating rod after rotating bar rotate in place when use, is passed through turntable and is inserted into corresponding location hole and realized by position hole；Tooth can also be passed through
Wheel transmission device is realized.It is driven using planetary gear, effectively realizes the step-less adjustment function of equipment, ensure that entire
The smoothness and stability of adjustment process, and structure is simple, intensity is high, noise is small, degree of regulation is high.
Further, handwheel sleeve 8 is provided on one end that rotating bar 71 is located at outside the pump housing 1.
8 pump housing 1 of handwheel sleeve is used cooperatively, and is realized the totally-enclosed setting of regulating device, is reduced regulating device and grind
Damage, the probability corroded, improve the service life of equipment, while increasing the frictional force between 71 operator's finger of rotating bar,
Convenient for the rotation of rotating bar 7, it is arranged scientific and reasonable.
Further, the number of second gear 74 is 3~6.
Second gear 74 is set as 3~6, both ensure that the stability of regulating device overall operation, in turn avoids the second tooth
Increased costs caused by taking turns 74 numbers excessively and compact-sized phenomenon occur.
Further, it is provided with the surge tank 13 being connected to pump head 2 in upper connector group 5, is provided with end socket on surge tank 13
10。
Surge tank 13, which is arranged, effectively alleviates the fluid to run at high speed in diaphragm pump, impacts caused by pipeline and to diaphragm
Caused by load, reduce maintenance of equipment frequency, while reducing pulsatile impact to the adverse effect of instrument measurement, improve pump
The measuring accuracy and service life of each instrument on body.
Meanwhile end socket 10 and the split type setting of surge tank 13, surge tank 13 is safeguarded convenient for user, and is effectively reduced
The maintenance cost of equipment, improves maintenance speed.
Further, upper connector group 5 includes the first three-way body 51, and 51 both ends of the first three-way body are symmetrically arranged with surge tank
13, the first three-way body 51 is connect with surge tank 13 by the first connecting leg 52, is provided with flow-stop valve between surge tank 13 and pump head 2
53,
Lower connector group 6 includes the second three-way body 61, and the second three-way body 61 passes sequentially through the second connecting leg 62, elbow 63 and pump
First 2 connection, is provided with lower flow-stop valve 64 between elbow 63 and pump head 2.
Upper connector group 5 and lower connector group 6 are disposed as split type structure by the present invention, convenient for equipment assembling, remove
Fortune and maintenance after single part is damaged, are only replaced damage component, without to entire component (upper connector
Group 5 or lower connector group 6) it is replaced, this setting effectively reduces maintenance of equipment time and cost, meets the use of user
Demand.
Further, the first three-way body 51 and the first connecting leg 52, the second three-way body 61 and the second connecting leg 62 pass through locknut 11
Connection.
The setting of locknut 11 increases the stability of each component connection, and assembles, convenient disassembly, convenient for equipment installation,
Maintenance, effectively reduces the maintenance cost of equipment and the labor intensity of operator.
Further, oval 12 cross section of cam, rectangle or diamond shape are adjusted.
The present invention, which adjusts cam 12, can use symmetrical structure or dissymmetrical structure, but can realize when use symmetrical structure double
The synchronous adjustment of two pump chambers (two pump head internal cavities) flow, is precisely controlled two pump chamber flows convenient for user in diaphragm pump.
Wherein, when the cross section of adjusting cam 12 is oval, the entire round and smooth no corner angle in edge, so that adjusting 12 turns of cam
Contact area when dynamic always with spring shaft 4 remains unchanged, and then ensures and adjust cam 12 and 4 abutting arrangement of spring shaft
Stability further ensures the stability of regulating device operating, further ensures the step-less adjustment of equipment.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of twin-diaphragm pump regulating device, which is characterized in that including the pump housing (1) and two pumps being connect with the pump housing (1)
Head (2), the pump head (2) is interior to be provided with diaphragm (3), and the diaphragm (3) connect with spring shaft (4), the spring shaft (4)
Setting is additionally provided with eccentric shaft (9) in the pump housing (1), and in the pump housing (1),
Two pump heads (2) are connected to by upper connector group (5) with lower connector group (6),
The device for regulating rotary (7) extended in the pump housing (1), the device for regulating rotary are provided on the pump housing (1)
(7) it is connect with adjusting cam (12), the device for regulating rotary (7) is planetary gear regulating device, the device for regulating rotary
It (7) include rotating bar (71), one end that the rotating bar (71) extends in the pump housing (1) is provided with first gear (72),
It is provided between the eccentric shaft (9) and the first gear (72) toothed disc (73), is set at the top of the toothed disc (73)
Several second gears (74) engaged with the first gear (72) are equipped with, bottom is connect with the adjusting cam (12),
The adjusting cam (12) abuts with the spring shaft (4).
2. a kind of twin-diaphragm pump regulating device according to claim 1, which is characterized in that the rotating bar (71) is located at institute
It states and is provided with handwheel sleeve (8) on the one end of the pump housing (1) outside.
3. a kind of twin-diaphragm pump regulating device according to claim 1, which is characterized in that of the second gear (74)
Number is 3~6.
4. a kind of twin-diaphragm pump regulating device according to claim 1, which is characterized in that on the upper connector group (5)
It is provided with the surge tank (13) being connected to the pump head (2), is provided with end socket (10) on the surge tank (13).
5. a kind of twin-diaphragm pump regulating device according to claim 4, which is characterized in that upper connector group (5) packet
It includes the first three-way body (51), the first three-way body (51) both ends are symmetrically arranged with the surge tank (13), first threeway
Body (51) is connect with the surge tank (13) by the first connecting leg (52), is set between the surge tank (13) and the pump head (2)
Flow-stop valve (53) are equipped with,
The lower connector group (6) includes the second three-way body (61), and second three-way body (61) passes sequentially through the second connecting leg
(62), elbow (63) is connect with the pump head (2), is provided with lower flow-stop valve between the elbow (63) and the pump head (2)
(64)。
6. a kind of twin-diaphragm pump regulating device according to claim 5, which is characterized in that first three-way body (51) with
First connecting leg (52), second three-way body (61) are connect by locknut (11) with second connecting leg (62).
7. described in any item a kind of twin-diaphragm pump regulating devices according to claim 1~6, which is characterized in that the adjusting is convex
Take turns oval (12) cross section, rectangle or diamond shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710513712.7A CN107143489B (en) | 2017-06-29 | 2017-06-29 | A kind of twin-diaphragm pump regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710513712.7A CN107143489B (en) | 2017-06-29 | 2017-06-29 | A kind of twin-diaphragm pump regulating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107143489A CN107143489A (en) | 2017-09-08 |
| CN107143489B true CN107143489B (en) | 2019-08-30 |
Family
ID=59784539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710513712.7A Active CN107143489B (en) | 2017-06-29 | 2017-06-29 | A kind of twin-diaphragm pump regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107143489B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101092953A (en) * | 2007-07-12 | 2007-12-26 | 储岳海 | Flux adjustable high precision diaphragm metering pump without pulsation |
| CN201443049U (en) * | 2008-09-18 | 2010-04-28 | 常州江南电力环境工程有限公司 | Mechanical diaphragm metering pump |
| CN201554628U (en) * | 2009-11-10 | 2010-08-18 | 常州江南电力设备集团有限公司 | Mechanical diaphragm metering pump |
| CN202468192U (en) * | 2012-01-09 | 2012-10-03 | 马鞍山基业环保科技有限公司 | Two-head dual-adjustment low-pulsation diaphragm metering pump |
| CN203146257U (en) * | 2013-02-21 | 2013-08-21 | 浙江力高泵业科技有限公司 | Adjustable dual-head pump |
| CN203856697U (en) * | 2014-06-11 | 2014-10-01 | 北方工具设备（宁波）有限公司 | Stable output double-diaphragm pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5458081B2 (en) * | 2011-10-26 | 2014-04-02 | 株式会社ヤマダコーポレーション | Diaphragm and diaphragm pump |
-
2017
- 2017-06-29 CN CN201710513712.7A patent/CN107143489B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101092953A (en) * | 2007-07-12 | 2007-12-26 | 储岳海 | Flux adjustable high precision diaphragm metering pump without pulsation |
| CN201443049U (en) * | 2008-09-18 | 2010-04-28 | 常州江南电力环境工程有限公司 | Mechanical diaphragm metering pump |
| CN201554628U (en) * | 2009-11-10 | 2010-08-18 | 常州江南电力设备集团有限公司 | Mechanical diaphragm metering pump |
| CN202468192U (en) * | 2012-01-09 | 2012-10-03 | 马鞍山基业环保科技有限公司 | Two-head dual-adjustment low-pulsation diaphragm metering pump |
| CN203146257U (en) * | 2013-02-21 | 2013-08-21 | 浙江力高泵业科技有限公司 | Adjustable dual-head pump |
| CN203856697U (en) * | 2014-06-11 | 2014-10-01 | 北方工具设备（宁波）有限公司 | Stable output double-diaphragm pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107143489A (en) | 2017-09-08 |
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Effective date of registration: 20200729 Address after: Room 18, 14 / F, building 5, Huibo Shanggu Daguan, 2238 Chaoyang North Street, Baoding, Hebei Province 071000 Patentee after: Baoding shuanghao Machinery Technology Co., Ltd Address before: 071000, 111 Kennan Avenue, Baoding, Hebei Patentee before: BAODING TONGHE ELECTROMECHANICAL EQUIPMENT SALES Co.,Ltd. |
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