CN107143489A - A kind of twin-diaphragm pump adjusting means - Google Patents
A kind of twin-diaphragm pump adjusting means Download PDFInfo
- Publication number
- CN107143489A CN107143489A CN201710513712.7A CN201710513712A CN107143489A CN 107143489 A CN107143489 A CN 107143489A CN 201710513712 A CN201710513712 A CN 201710513712A CN 107143489 A CN107143489 A CN 107143489A
- Authority
- CN
- China
- Prior art keywords
- pump
- adjusting means
- twin
- diaphragm
- pump housing
- 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.)
- Granted
Links
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
-
- 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
Abstract
The invention belongs to barrier film pump technical field, a kind of twin-diaphragm pump adjusting means proposed, diaphragm is provided with two pump heads being connected including the pump housing and with the pump housing, pump head, diaphragm is connected with spring shaft, spring shaft is arranged in the pump housing, and eccentric shaft is additionally provided with the pump housing, two pump heads are connected by upper connecting tube group with lower connecting tube group, and the device for regulating rotary extended in the pump housing is provided with the pump housing, device for regulating rotary is connected with regulation cam, and regulation cam is abutted with spring shaft；Device for regulating rotary is planetary gear adjusting means, including rotating bar, first gear is provided with rotating bar, toothed disc is provided between eccentric shaft and first gear, several second gears engaged with first gear are provided with the top of toothed disc, bottom is connected with regulation cam.Present inventive concept is ingenious, and the Flow-rate adjustment for solving twin-diaphragm pump in the prior art is general by the way of two pump heads are adjusted respectively, it is impossible to while the technical problem carried out.
Description
Technical field
The invention belongs to barrier film pump technical field, it is related to a kind of twin-diaphragm pump adjusting means.
Background technology
Membrane pump is also known as controlling pump, is the main Types of actuator, by receiving the control signal that modulating unit is exported.Every
Membrane pump goes to change fluid flow by power operation.Various special occasions are placed in, can not be aspirated for pumping various conventional pumps
Medium.Right people in practical operation generally require that its flow is adjusted according to the service condition of membrane pump, but at present
The Flow-rate adjustment of twin-diaphragm pump is general by the way of two pump heads are adjusted respectively, it is impossible to carry out simultaneously, and degree of regulation is poor.
The content of the invention
The present invention proposes a kind of twin-diaphragm pump adjusting means, and the Flow-rate adjustment for solving twin-diaphragm pump in the prior art is general
By the way of two pump heads are adjusted respectively, it is impossible to while the technical problem carried out.
The technical proposal of the invention is realized in this way：
Set in a kind of twin-diaphragm pump adjusting means, including the pump housing and two pump heads being connected with the pump housing, the pump head
Diaphragm is equipped with, the diaphragm is connected with spring shaft, and the spring shaft is arranged in the pump housing, and is also set in the pump housing
It is equipped with eccentric shaft,
Two pump heads are connected by upper connecting tube group with lower connecting tube group,
The device for regulating rotary extended in the pump housing, the device for regulating rotary and regulation are provided with the pump housing
Cam is connected,
The regulation cam is abutted with the spring shaft.
As further technical scheme, the device for regulating rotary is planetary gear adjusting means, including rotating bar, institute
State one end that rotating bar extended in the pump housing and be provided with first gear,
Be provided with toothed disc between the eccentric shaft and the first gear, be provided with the top of the toothed disc several with
The second gear of the first gear engagement, bottom is connected with the regulation cam.
As further technical scheme, handwheel sleeve is provided with one end that the rotating bar is located at outside the pump housing.
As further technical scheme, the number of the second gear is 3~6.
As further technical scheme, the surge tank connected with the pump head, institute are provided with the upper connecting tube group
State and end socket is provided with surge tank.
As further technical scheme, the upper connecting tube group includes the first three-way body, the first three-way body two ends
Be symmetrically arranged with the surge tank, first three-way body is connected with the surge tank by the first connecting leg, the surge tank with
Flow-stop valve is provided between the pump head,
The lower connecting tube 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 scheme, 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 scheme, the regulation cam cross section is oval, rectangle or rhombus.
Use principle of the present invention and have the beneficial effect that：
1st, the present invention changes the regulative mode of traditional twin-diaphragm pump, single regulation is provided between two spring shafts convex
Wheel, only by the rotation of device for regulating rotary when using, just can drive regulation cam to be adjusted 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 peace
Fill, repair convenient.
Wherein, dynamic adjusting means can be single rotating bar plus positioner, even if the rotation that the used time passes through rotating bar
The angle of adjustment regulation cam and spring shaft, and then the distance between two spring shafts are realized, after adjusting, pass through positioner pair
The rotational angle of rotating bar is positioned, it is ensured that cam position not malleable is adjusted during use, it is ensured that using effect.Its
In, rotating bar can top rotating disk is set, and locating rod is set on rotating disk, and some positioning holes are set on the pump housing, when using
After rotating bar rotate in place, locating rod is inserted corresponding positioning hole to realize through rotating disk；Also gear drive can be passed through
To realize.It is driven using planetary gear, effectively realizes the step-less adjustment function of equipment, it is ensured that whole regulation process
Smoothness and stability, and simple in construction, intensity is high, noise is small, degree of regulation is high.
2nd, present invention regulation cam can use symmetrical structure or dissymmetrical structure, but can be realized during using symmetrical structure double
The synchronous adjustment of two pump chambers (two pump head internal cavities) flow, is easy to user to be precisely controlled two pump chamber flows in membrane pump.
Wherein, when the cross section of regulation cam is oval, whole edge is round and smooth without corner angle so that during regulation cam rotation
All the time keep constant with the contact area of spring shaft, and then ensure that the stability of regulation cam and spring shaft abutting arrangement, enter
One step ensure that the stability of adjusting means operating, further ensure that the step-less adjustment of equipment.
3rd, surge tank of the present invention sets and effectively alleviates the fluid run at high speed in membrane pump, the impact caused to pipeline with
The load caused to diaphragm, reduces maintenance of equipment frequency, while reducing adverse effect of the pulsatile impact to instrument measurement, carries
The measuring accuracy and service life of each instrument on the high pump housing.End socket and the split type setting of surge tank, are easy to user to slow simultaneously
Rush tank to be safeguarded, and effectively reduce the maintenance cost of equipment, improve maintenance speed.
4th, upper connecting tube group and lower connecting tube group are disposed as split-type structural by the present invention, are easy to the assembling of equipment, removed
Fortune and maintenance, after single part is damaged, are only changed to damaging part, without to whole component (upper connecting tube
Group or lower connecting tube group) to be changed, this setting effectively reduces maintenance of equipment time and cost, meets the use of user and needs
Ask.
Handwheel sleeve of the present invention is used cooperatively with the pump housing, is realized the totally-enclosed setting of adjusting means, is reduced adjusting means
Occur abrasion, the probability of corrosion, the service life of equipment is improved, while adding rubbing between rotating bar and operating personnel's finger
Power is wiped, is easy to the rotation of rotating bar, is set scientific and reasonable.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
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 housings, 2- pump heads, 3- diaphragms, 4- spring shafts, the upper connecting tube groups of 5-, the three-way bodies of 51- first, 52-
Fluid stopping under connecting tube group under one connecting leg, the upper flow-stop valves of 53-, 6-, the three-way bodies of 61- second, the connecting legs of 62- second, 63- elbows, 64-
Valve, 7- device for regulating rotary, 71- rotating bars, 72- first gears, 73- toothed discs, 74- second gears, 8- handwheel sleeves, 9- is eccentric
Axle, 10- end sockets, 11- locknuts, 12- regulation cams, 13- surge tanks.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in Fig. 1~2, a kind of twin-diaphragm pump adjusting means proposed by the present invention, including the pump housing 1 and be connected with the pump housing 1
Two pump heads 2, be provided with diaphragm 3 in pump head 2, diaphragm 3 is connected with spring shaft 4, and spring shaft 4 is arranged in the pump housing 1, and
Eccentric shaft 9 is additionally provided with the pump housing 1,
Two pump heads 2 are connected by upper connecting tube group 5 with lower connecting tube group 6,
The device for regulating rotary 7 extended in the pump housing 1 is provided with the pump housing 1, device for regulating rotary 7 connects with regulation cam 12
Connect,
Regulation cam 12 is abutted with spring shaft 4.
In use, user can be adjusted to device for regulating rotary 7 as needed, and then drive regulation cam 12 therewith
Rotation, with the rotation of regulation cam 12, the distance between two spring shafts 4 are increased or decreased therewith, and then change spring
The reciprocating stroke of axle 4, so as to realize the regulation of twin-diaphragm pump flow.The present invention changes the regulative mode of traditional twin-diaphragm pump,
Single regulation cam is provided between two spring shafts 4, just can only be driven by the rotation of device for regulating rotary 7 when using
Regulation cam 12 is adjusted to the stroke repeatedly of spring shaft 4, and then realizes two pump chambers of twin-diaphragm pump (pump head internal cavity)
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 adjusting means, including rotating bar 71, rotating bar 71 extends to pump
One end in body 1 is provided with first gear 72,
Toothed disc 73 is provided between eccentric shaft 9 and first gear 72, the top of toothed disc 73 is provided with several and first
The second gear 74 that gear 72 is engaged, bottom is connected with regulation cam 12.
Device for regulating rotary 7 can be single rotating bar plus positioner in the present invention, even if the used time passes through rotating bar
Rotation adjustment regulation cam 12 and spring shaft 4 angle, and then realize the distance between two spring shafts 4, after adjusting, pass through
Positioner is positioned to the rotational angle of rotating bar, it is ensured that the position of cam 12 not malleable is adjusted during use, it is ensured that
Using effect.Wherein, rotating bar can top rotating disk is set, and locating rod is set on rotating disk, and set some fixed on the pump housing 1
Position hole, after rotating bar rotate in place when using, locating rod is inserted corresponding positioning hole to realize through rotating disk；Also tooth can be passed through
Wheel transmission device is realized.It is driven using planetary gear, effectively realizes the step-less adjustment function of equipment, it is ensured that is whole
The smoothness and stability of regulation process, and simple in construction, intensity is high, noise is small, degree of regulation is high.
Further, handwheel sleeve 8 is provided with one end that rotating bar 71 is located at outside the pump housing 1.
The pump housing 1 of handwheel sleeve 8 is used cooperatively, and is realized the totally-enclosed setting of adjusting means, is reduced adjusting means and grind
The probability for damaging, corroding, improves the service life of equipment, while the frictional force between the operating personnel's finger of rotating bar 71 is added,
It is easy to the rotation of rotating bar 7, sets scientific and reasonable.
Further, the number of second gear 74 is 3~6.
Second gear 74 is set to 3~6, both ensure that the stability of adjusting means overall operation, turn avoid the second tooth
Take turns cost increase and the phenomenon generation of compact conformation that 74 numbers are excessively caused.
Further, it is provided with upper connecting tube group 5 on the surge tank 13 connected with pump head 2, surge tank 13 and is provided with end socket
10。
Surge tank 13, which is set, effectively alleviates the fluid run at high speed in membrane pump, the impact that is caused to pipeline and to diaphragm
The load caused, reduces maintenance of equipment frequency, while reducing adverse effect of the pulsatile impact to instrument measurement, improves 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 are easy to user to safeguard surge tank 13, and effectively reduction
The maintenance cost of equipment, improves maintenance speed.
Further, upper connecting tube group 5 includes the first three-way body 51, and the two ends of the first three-way body 51 are symmetrically arranged with surge tank
13, the first three-way body 51 is connected with surge tank 13 by the first connecting leg 52, and flow-stop valve is provided between surge tank 13 and pump head 2
53,
Lower connecting tube 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 connecting tube group 5 and lower connecting tube group 6 are disposed as split-type structural by the present invention, are easy to the assembling of equipment, removed
Fortune and maintenance, after single part is damaged, are only changed to damaging part, without to whole component (upper connecting tube
5 or lower connecting tube groups 6 of group) to be changed, 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 adds the stability of each part connection, and assembling, convenient disassembly, be easy to equipment installation,
Maintenance, effectively reduces the maintenance cost of equipment and the labor intensity of operating personnel.
Further, the oval cross section of cam 12, rectangle or rhombus are adjusted.
Present invention regulation cam 12 can use symmetrical structure or dissymmetrical structure, but can be realized during using symmetrical structure double
The synchronous adjustment of two pump chambers (two pump head internal cavities) flow, is easy to user to be precisely controlled two pump chamber flows in membrane pump.
Wherein, when the cross section of regulation cam 12 is oval, whole edge is round and smooth without corner angle so that 12 turns of cam of regulation
Keep constant with the contact area of spring shaft 4 all the time when dynamic, and then ensure that regulation cam 12 and the abutting arrangement of spring shaft 4
Stability, further ensure that the stability of adjusting means operating, further ensure that 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 essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (8)
1. a kind of twin-diaphragm pump adjusting means, it is characterised in that two pumps being connected including the pump housing (1) and with the pump housing (1)
Diaphragm (3) is provided with head (2), the pump head (2), the diaphragm (3) is connected with spring shaft (4), the spring shaft (4)
It is arranged in the pump housing (1), and eccentric shaft (9) is additionally provided with the pump housing (1),
Two pump heads (2) are connected by upper connecting tube group (5) with lower connecting tube group (6),
The device for regulating rotary (7) extended in the pump housing (1), the device for regulating rotary are provided with the pump housing (1)
(7) it is connected with regulation cam (12),
The regulation cam (12) abuts with the spring shaft (4).
2. a kind of twin-diaphragm pump adjusting means according to claim 1, it is characterised in that the device for regulating rotary (7)
For planetary gear adjusting means, including rotating bar (71), one end that the rotating bar (71) is extended in the pump housing (1) is set
There is first gear (72),
It is provided with the top of toothed disc (73), the toothed disc (73) and sets between the eccentric shaft (9) and the first gear (72)
Several second gears (74) engaged with the first gear (72) are equipped with, bottom is connected with the regulation cam (12).
3. a kind of twin-diaphragm pump adjusting means according to claim 2, it is characterised in that the rotating bar (71) is located at institute
State and be provided with handwheel sleeve (8) on the one end of the pump housing (1) outside.
4. a kind of twin-diaphragm pump adjusting means according to claim 2, it is characterised in that of the second gear (74)
Number is 3~6.
5. a kind of twin-diaphragm pump adjusting means according to claim 1, it is characterised in that on the upper connecting tube group (5)
It is provided with the surge tank (13) connected with the pump head (2), the surge tank (13) and is provided with end socket (10).
6. a kind of twin-diaphragm pump adjusting means according to claim 5, it is characterised in that upper connecting tube group (5) bag
The first three-way body (51) is included, the first three-way body (51) two ends are symmetrically arranged with the surge tank (13), first threeway
Body (51) is connected 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) is equipped with,
The lower connecting tube 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 connected with the pump head (2), and lower flow-stop valve is provided between the elbow (63) and the pump head (2)
(64)。
7. a kind of twin-diaphragm pump adjusting means according to claim 6, it is characterised in that first three-way body (51) with
First connecting leg (52), second three-way body (61) are connected with second connecting leg (62) by locknut (11).
8. a kind of twin-diaphragm pump adjusting means according to any one of claim 1~7, it is characterised in that the regulation is convex
Take turns oval (12) cross section, rectangle or rhombus.
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 true CN107143489A (en) | 2017-09-08 |
| CN107143489B 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 (7)
| 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 |
| JP2013092110A (en) * | 2011-10-26 | 2013-05-16 | Yamada Corporation | Diaphragm and diaphragm 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 |
-
2017
- 2017-06-29 CN CN201710513712.7A patent/CN107143489B/en active Active
Patent Citations (7)
| 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 |
| JP2013092110A (en) * | 2011-10-26 | 2013-05-16 | Yamada Corporation | Diaphragm and diaphragm 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 |
|---|---|
| CN107143489B (en) | 2019-08-30 |
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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. |