CN103821701A - Hydraulic diaphragm reciprocating pump built-in controllable oil supplying structure - Google Patents
Hydraulic diaphragm reciprocating pump built-in controllable oil supplying structure Download PDFInfo
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- CN103821701A CN103821701A CN201410056506.4A CN201410056506A CN103821701A CN 103821701 A CN103821701 A CN 103821701A CN 201410056506 A CN201410056506 A CN 201410056506A CN 103821701 A CN103821701 A CN 103821701A
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- diaphragm
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- oil supplying
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Abstract
The invention belongs to the field of diaphragm pump oil supplying structures, and aims to provide a hydraulic diaphragm reciprocating pump built-in controllable oil supplying structure comprising a cylinder, a pump head, a diaphragm plate, a push rod, a push rod spring, a lever, a lever fork, a valve spool, an oil supplying valve, a valve element spring, an oil supplying tube, a diaphragm sheet, a push rod step and a hydraulic cavity. The hydraulic cavity is arranged in the cylinder, the diaphragm plate and the diaphragm sheet are arranged in the hydraulic cavity, two ends of the diaphragm plate are respectively and fixedly connected to the cylinder, and two ends of the diaphragm sheet are respectively fixed between the diaphragm plate and the pump head; the oil supplying tube penetrates the bottom of the cylinder to connect to the oil supplying valve, the valve spool is arranged in the oil supplying valve, and the outer side of the valve element is provided with the valve element spring; a threaded rod is arranged outside one end of the oil supplying valve, and the other end of the oil supplying valve extends into the hydraulic cavity; the push rod is provided with the push rod step and the push rod spring. The hydraulic diaphragm reciprocating pump built-in controllable oil supplying structure has the advantages that service life of the diaphragm sheet can be prolonged; oil supplying quantity can be controlled accurately, and stability and reliability of a hydraulic diaphragm reciprocating pump can be improved.
Description
Technical field
The present invention relates to diaphragm pump repairing structure field, particularly the built-in controlled repairing structure of a kind of hydraulic reciprocating diaphragm pump.
Background technique
The effect of repairing structure is, in the time that the hydraulic oil in hydraulic reciprocating diaphragm pump hydraulic pressure cavity reduces because of leakage, can in time hydraulic oil be added to suitable amount by controlled repairing structure, makes pump keep normal operation.
Existing repairing structure has the following disadvantages: adopt clearance seal repairing structure, repairing measures less than effective control, affects the ride quality of diaphragm working life and pump.
Summary of the invention
The technical problem to be solved in the present invention is, overcomes deficiency of the prior art, provides a kind of hydraulic reciprocating diaphragm pump built-in controlled repairing structure.
For technical solution problem, solution of the present invention is:
Provide a kind of hydraulic reciprocating diaphragm pump built-in controlled repairing structure, comprise cylinder body, pump head, lamina membranacea, push rod, push rod spring, lever, wishbone lever, spool, Fill valve, valve core spring, repairing pipe, diaphragm, push rod step and hydraulic pressure cavity; In described cylinder body, be provided with hydraulic pressure cavity, be provided with lamina membranacea and diaphragm in hydraulic pressure cavity, lamina membranacea two ends are fixedly attached to respectively on cylinder body, and diaphragm two ends are separately fixed between lamina membranacea and pump head; Described repairing pipe runs through by cylinder base and is connected on Fill valve, in described Fill valve, is provided with spool, and is provided with valve core spring in spool outside; Fill valve is provided with threaded stem outside one end, and is fixed on cylinder body by threaded stem, and the Fill valve the other end extends in hydraulic pressure cavity; Described push rod is provided with push rod step, push rod spring; Wherein, described push rod one end is run through by lamina membranacea and is extended in hydraulic pressure cavity, and the push rod the other end runs through and passes through cylinder body; The centre rotational axis of described lever is fixed in hydraulic pressure cavity, and one end of lever is provided with wishbone lever, and this wishbone lever extends in the groove of push rod step, and the other end of lever extends on spool.
In the present invention, on described push rod, be equipped with two push rod steps and a push rod spring, and two push rod steps and push rod spring are symmetrical arranged with push rod central shaft respectively.
In the present invention, described repairing pipe and cylinder base edge jointing are provided with tapped hole.
In the present invention, in the time that pump normally moves, diaphragm flexural center is in normal position, diaphragm does not touch and is positioned at the middle push rod of lamina membranacea in flex motion, now push rod is under the effect of push rod spring, and in front initial point, the push rod step being positioned on push rod is stirred wishbone lever forward, the other end of lever presses spool, and Fill valve is closed not repairing; In the time that the oil mass in hydraulic chamber lacks, after the flexural center of diaphragm, move, diaphragm is flex motion backward, touches push rod and moves backward, and push rod step is stirred wishbone lever backward, make to depart from spool under the state of the urgent pressure valve core of the other end of lever, under the effect of hydraulic pressure cavity negative pressure, spool is opened, and hydraulic oil enters hydraulic pressure cavity by repairing pipe and Fill valve, mend when suitable when the oil mass of hydraulic pressure cavity, repairing stops.
In the present invention, one end of push rod is higher than lamina membranacea bottom surface, in the time that diaphragm touches push rod because of hydraulic pressure cavity oil starvation, can make push rod displacement backward, the push rod step being positioned on push rod is stirred wishbone lever backward, and the other end of lever is reach simultaneously, depart from the spool being tightly suppressed, under hydraulic pressure cavity suction function, spool is opened, and carries out repairing.
In the present invention, be positioned at lamina membranacea rear portion, there is a shift fork lever one end of cylinder base, can under the stirring of push rod step, move forward and backward, and while moving forward, the other end of lever presses spool, and repairing stops; While movement backward, the lever the other end departs from spool, starts repairing.
In the present invention, push rod is provided with two push rod steps, is used for promoting the shift fork on lever, makes the other end of lever compress or depart from spool, reaches the object of controlling repairing.
In the present invention, repairing structure can be according to working conditions of pump control repairing amount, realizes and lacks how many oil, mends how many oil, supplies and stops mending, and does not lack and does not mend, and excess is not mended.
Compared with prior art, the invention has the beneficial effects as follows:
1, can extend diaphragm working life;
2, can accurately control repairing amount, improve stability and the reliability of hydraulic reciprocating diaphragm pump.
Accompanying drawing explanation
Fig. 1 is the built-in controlled repairing structural representation of hydraulic reciprocating diaphragm pump of the present invention;
Fig. 2 is the enlarged diagram of dashed circle in Fig. 1;
Fig. 3 is the built-in controlled repairing structure repairing process schematic diagram of hydraulic reciprocating diaphragm pump of the present invention;
Fig. 4 is existing Fill valve structural representation;
Reference character is: 1, lamina membranacea; 2, push rod; 3, push rod step; 4, cylinder body; 5, push rod spring; 6, wishbone lever; 7, lever; 8, Fill valve; 9, spool; 10, valve core spring; 11, diaphragm; 12, repairing pipe; 13, hydraulic pressure cavity; 14, threaded stem; 15, pump head.
Embodiment
Following embodiment can make the technician of this professional skill field more fully understand the present invention, but does not limit the present invention in any way.
The embodiment of the present invention is the built-in controlled repairing structure of a kind of hydraulic reciprocating diaphragm pump, comprises cylinder body 4, lamina membranacea 1, push rod 2, push rod spring 5, lever 7, wishbone lever 6, spool 9, Fill valve 8, valve core spring 10, repairing pipe 12, diaphragm 11, push rod step 3, hydraulic pressure cavity 13 and threaded stem 14 and pump head 15.
Described repairing pipe 12 runs through by cylinder body 4 bottoms and is connected on Fill valve 8, is provided with spool 9, and is provided with valve core spring 10 in spool 9 outsides in described Fill valve 8; Fill valve is provided with threaded stem 14 outside 8 one end, and is fixed on cylinder body 4 by threaded stem 14, and Fill valve 8 the other ends extend in hydraulic pressure cavity 13;
In described cylinder body 4, be provided with hydraulic pressure cavity 13, be provided with lamina membranacea 1 and diaphragm 11 in hydraulic pressure cavity 13, lamina membranacea 1 two ends are fixedly attached to respectively on cylinder body 4, and diaphragm 11 two ends are separately fixed between lamina membranacea 1 and pump head 15.
Described push rod 2 is provided with push rod step 3, push rod spring 5; Wherein, described push rod 2 one end are run through by lamina membranacea 1 and are extended in hydraulic pressure cavity 13, and push rod 2 the other ends run through by cylinder body 4;
The centre rotational axis of described lever 7 is fixed in hydraulic pressure cavity 13, and one end of lever 7 is provided with wishbone lever 6, and this wishbone lever 6 extends in the groove of push rod step 3, and the other end of lever 7 extends on spool 9.
On described push rod 2, be equipped with two push rod steps 3 and a push rod spring 5, and two push rod steps 13 and push rod spring 5 are symmetrical arranged with push rod 2 central shafts respectively; Described repairing pipe 12 is provided with tapped hole with cylinder body 4 bottom sides along jointing.
The concrete application process of the present invention
When in Fig. 1, pump normally moves, diaphragm 11 flexural centers are in normal position, diaphragm 11 does not touch and is positioned at the middle push rod 2 of lamina membranacea 1 in flex motion, now push rod 2 is under the effect of push rod spring 5, in front initial point, the push rod step 3 being positioned on push rod 2 is stirred wishbone lever 6 forward, and the other end of lever 7 presses spool 9, and Fill valve 8 is closed not repairing.
When oil mass in Fig. 2 in hydraulic pressure cavity 13 bodies lacks, after the flexural center of diaphragm 11, move, diaphragm 11 flex motion backward, touches push rod 2 and moves backward, and push rod step 13 is stirred wishbone lever 6 backward, make to depart from spool 9 under the state of the urgent pressure valve core 9 of the other end of lever 7, under the effect of hydraulic pressure cavity 13 negative pressure, spool 9 is opened, and hydraulic oil enters hydraulic pressure cavity 13 by repairing pipe 12 and Fill valve 8, mend when suitable when the oil mass of hydraulic pressure cavity 13, repairing stops.
One end of described push rod 2 is higher than lamina membranacea 1 bottom surface, in the time that diaphragm 11 touches push rod 2 because of hydraulic pressure cavity 13 oil starvations, can make push rod 2 displacement backward, the push rod step 3 being positioned on push rod 2 is stirred wishbone lever 6 backward, the other end of lever 7 is reach simultaneously, departs from the spool 9 being tightly suppressed, under hydraulic pressure cavity 13 suction functions, spool 9 is opened, and carries out repairing.
Be positioned at lamina membranacea 1 rear portion, there is a wishbone lever 6 lever 7 one end of cylinder body 4 bottoms, can under the stirring of push rod step 3, move forward and backward, and while moving forward, the other end of lever 7 presses spool 9, and repairing stops; While movement backward, lever 7 the other ends depart from spool 9, and Fill valve 8 is opened, and start repairing.
Repairing structure can be according to working conditions of pump control repairing amount, realizes and lacks how many oil, mends how many oil, supplies and stops mending, and does not lack and does not mend, and excess is not mended.
Certainly, the built-in controlled oil-supplementing system of this hydraulic reciprocating diaphragm pump is not limited only to above structure and concrete usage mode, this is concrete case study on implementation, and the built-in oil-supplementing system of hydraulic reciprocating diaphragm pump can have even structure of different shapes, can also be applied to different occasions.Within such conversion all drops on protection scope of the present invention.
Claims (3)
1. the built-in controlled repairing structure of hydraulic reciprocating diaphragm pump, comprise cylinder body, it is characterized in that, also comprise pump head, lamina membranacea, push rod, push rod spring, lever, wishbone lever, spool, Fill valve, valve core spring, repairing pipe, diaphragm, push rod step and hydraulic pressure cavity;
In described cylinder body, be provided with hydraulic pressure cavity, be provided with lamina membranacea and diaphragm in hydraulic pressure cavity, lamina membranacea two ends are fixedly attached to respectively on cylinder body, and diaphragm two ends are separately fixed between lamina membranacea and pump head, with bolts between pump head and cylinder body;
Described repairing pipe runs through by cylinder base and is connected on Fill valve, in described Fill valve, is provided with spool, and is provided with valve core spring in spool outside; Fill valve is provided with threaded stem outside one end, and is fixed on cylinder body by threaded stem, and the Fill valve the other end extends in hydraulic pressure cavity;
Described push rod is provided with push rod step, push rod spring; Wherein, described push rod one end is run through by lamina membranacea and is extended in hydraulic pressure cavity, and the push rod the other end runs through and passes through cylinder body;
The centre rotational axis of described lever is fixed in hydraulic pressure cavity, and lever one end is provided with wishbone lever, and this wishbone lever extends in the groove of push rod step, and the lever the other end extends on the spool of Fill valve.
2. according to the built-in controlled repairing structure described in claim 1, it is characterized in that, on described push rod, be equipped with two push rod steps and a push rod spring, and two push rod steps and push rod spring are symmetrical arranged with push rod central shaft respectively.
3. according to the built-in controlled repairing structure described in claim 1, it is characterized in that, described repairing pipe and cylinder base edge jointing are provided with tapped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410056506.4A CN103821701B (en) | 2014-02-19 | 2014-02-19 | The built-in controlled repairing structure of a kind of hydraulic reciprocating diaphragm pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410056506.4A CN103821701B (en) | 2014-02-19 | 2014-02-19 | The built-in controlled repairing structure of a kind of hydraulic reciprocating diaphragm pump |
Publications (2)
| Publication Number | Publication Date |
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| CN103821701A true CN103821701A (en) | 2014-05-28 |
| CN103821701B CN103821701B (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410056506.4A Active CN103821701B (en) | 2014-02-19 | 2014-02-19 | The built-in controlled repairing structure of a kind of hydraulic reciprocating diaphragm pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431747A (en) * | 2020-11-23 | 2021-03-02 | 西安交通大学 | Full-automatic diaphragm compressor oil way system and starting method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06137275A (en) * | 1992-10-27 | 1994-05-17 | Aisan Ind Co Ltd | Diaphragm pump |
| CN2546649Y (en) * | 2001-12-26 | 2003-04-23 | 上海化工研究院 | Diaphragm metering pump with oil supplying device |
| CN200964939Y (en) * | 2006-10-14 | 2007-10-24 | 大庆大丰油田科技有限公司 | Diaphragm meter pump rear oil-supply control device |
| CN102155395A (en) * | 2011-04-08 | 2011-08-17 | 南方泵业股份有限公司 | Automatic oil replenishing control system of diaphragm type measuring pump |
| DE102010039831A1 (en) * | 2010-08-26 | 2012-03-01 | Prominent Dosiertechnik Gmbh | Diaphragm pump and method for setting such |
| CN203756479U (en) * | 2014-02-19 | 2014-08-06 | 杭州大潮石化设备有限公司 | Built-in controllable oil-feeding structure of hydraulic diaphragm reciprocation pump |
-
2014
- 2014-02-19 CN CN201410056506.4A patent/CN103821701B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06137275A (en) * | 1992-10-27 | 1994-05-17 | Aisan Ind Co Ltd | Diaphragm pump |
| CN2546649Y (en) * | 2001-12-26 | 2003-04-23 | 上海化工研究院 | Diaphragm metering pump with oil supplying device |
| CN200964939Y (en) * | 2006-10-14 | 2007-10-24 | 大庆大丰油田科技有限公司 | Diaphragm meter pump rear oil-supply control device |
| DE102010039831A1 (en) * | 2010-08-26 | 2012-03-01 | Prominent Dosiertechnik Gmbh | Diaphragm pump and method for setting such |
| CN102155395A (en) * | 2011-04-08 | 2011-08-17 | 南方泵业股份有限公司 | Automatic oil replenishing control system of diaphragm type measuring pump |
| CN203756479U (en) * | 2014-02-19 | 2014-08-06 | 杭州大潮石化设备有限公司 | Built-in controllable oil-feeding structure of hydraulic diaphragm reciprocation pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431747A (en) * | 2020-11-23 | 2021-03-02 | 西安交通大学 | Full-automatic diaphragm compressor oil way system and starting method thereof |
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| CN103821701B (en) | 2016-04-06 |
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Effective date of registration: 20200323 Address after: 311401 No.9, No.7 Road, Dongzhou industrial function zone, Dongzhou street, Fuyang District, Hangzhou City, Zhejiang Province Patentee after: DACHAO PUMP INDUSTRY MFG Co.,Ltd. Address before: 310017, Zhejiang, Hangzhou province Jianggan District Peng town five fort village seven sets Patentee before: HANGZHOU DACHAO PETROCHEMICAL EQUIPMENT Co.,Ltd. |