CN203756478U - External controllable oil-feeding structure of hydraulic diaphragm reciprocation pump - Google Patents
External controllable oil-feeding structure of hydraulic diaphragm reciprocation pump Download PDFInfo
- Publication number
- CN203756478U CN203756478U CN201420072008.4U CN201420072008U CN203756478U CN 203756478 U CN203756478 U CN 203756478U CN 201420072008 U CN201420072008 U CN 201420072008U CN 203756478 U CN203756478 U CN 203756478U
- Authority
- CN
- China
- Prior art keywords
- push rod
- cylinder body
- depression bar
- repairing
- hydraulic
- 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.)
- Expired - Fee Related
Links
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model belongs to the field of external controllable oil feeding structures and intends to provide an external controllable oil-feeding structure of a hydraulic diaphragm reciprocation pump. The external controllable oil-feeding structure of the hydraulic diaphragm reciprocation pump comprises a cylinder body, a pump head, a push rod, a pressing rod, an oil feeding valve sleeve, a pressing cover and an oil feeding pipe, wherein a hydraulic cavity is disposed inside the cylinder, a template and a diaphragm plate are disposed inside the hydraulic cavity, the template is fixed on the cylinder body, two ends of the diaphragm plate are respectively fixed between the template and the pump head correspondingly, the pump head is connected to the cylinder body by bolts, one end of the push rod passes through the template and is extended into the hydraulic cavity and the other end of the push rod is installed in the cylinder body; and the oil feeding pipe is connected to an oil feeding valve by the bottom of the cylinder body, a valve core is disposed inside the oil feeding valve and a valve core spring is disposed on outside of the valve core. The external controllable oil-feeding structure of the hydraulic diaphragm reciprocation pump has the beneficial effect that oil feeding amount can be controlled accurately, and stability and reliability of the hydraulic diaphragm reciprocation pump are increased; service life of the diaphragm plate can be prolonged; and disassembly and assembly as well as maintenance of the oil feeding structure become more convenient.
Description
Technical field
The utility model relates to the controlled repairing structure of external field, is specifically related to the controlled repairing structure of a kind of hydraulic reciprocating diaphragm pump external.
Background technique
Oil-supplementing system is an important component part of hydraulic reciprocating diaphragm pump.Its effect 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:
1) built-in repairing structure, i.e. repairing structure is installed on fluid end inside, its maintenance craft more complicated;
2) adopt clearance seal repairing structure, repairing measures less than effective control, affects the ride quality of diaphragm working life and pump.
Model utility content
The technical problems to be solved in the utility model is, overcomes deficiency of the prior art, provides a kind of hydraulic reciprocating diaphragm pump external controlled repairing structure.
For technical solution problem, solution of the present utility model is:
Provide a kind of hydraulic reciprocating diaphragm pump external controlled repairing structure, comprise cylinder body, pump head, push rod, depression bar, repairing valve pocket, gland and repairing pipe; In described cylinder body, be provided with hydraulic pressure cavity, in hydraulic pressure cavity, be provided with lamina membranacea, diaphragm, described lamina membranacea is fixed on cylinder body, diaphragm two ends respectively correspondence are fixed between lamina membranacea and pump head, pump head and cylinder body are with bolts, 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 is arranged in cylinder body; Described repairing pipe is connected on Fill valve by cylinder base, 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 in cylinder body by threaded stem, and the Fill valve the other end extends in hydraulic pressure cavity;
Fill valve is connected with depression bar by spool, and described depression bar is provided with depression bar cover outward, between depression bar and depression bar cover, Pressure-bar spring is installed; Described push rod is provided with push rod spring, controls the conical surface, and wherein depression bar one end extends in the groove of controlling the conical surface;
Improve as one, described depression bar, Fill valve are fixed in cylinder body by depression bar cover, repairing valve pocket respectively.
Improve as one, described push rod runs through one end by lamina membranacea 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 control conical surface that is pressed on the push rod of depression bar end face moves backward simultaneously, with contacting of depression bar produce loosening, depression bar under the effect of Pressure-bar spring to top offset, depart from spool, open repairing at hydraulic pressure cavity suction function lower valve core.
Improve as one, adopt plane and O type circle combination seal form between described gland and cylinder body, sealing form is the opposed installation of two planes, and wherein a plane is established a groove, and a rubber o-ring is installed in groove; In the time that the medium in pipeline or the container of needs sealing produces pressure, rubber o-ring is compressive deformation thereupon, and by the clearance seal between two planes, pressure is larger, and sealing effect is better.
As one improve, described push rod is provided with 1 push rod spring, 1 control conical surface, described push rod spring, control the conical surface respectively with push rod central shaft symmetry.
Improve as one, described Fill valve is provided with Fill valve cover outward, and described valve core spring is arranged between spool and repairing valve pocket.
Improve as one, described push rod spring is installed between push rod and cylinder body.
Improve as one, in the time that pump normally moves, diaphragm does not touch cavity inner wall in flex motion, also do not touch the push rod that is positioned at lamina membranacea, now push rod is under the effect of push rod spring, and the control conical surface being positioned on push rod is pressed on depression bar on spool, oil-supplementing system is closed, and repairing stops.
Improve as one, in the time that the oil mass in hydraulic chamber lacks, diaphragm is backward when flex motion, the push rod that shake-up is positioned on lamina membranacea moves backward, be positioned at the depression bar that depression bar puts and under the effect of Pressure-bar spring, depart from the spool displacement being forward held down, spool is opened under hydraulic pressure cavity suction function, start repairing, when the oil mass in hydraulic pressure cavity is mended when suitable, the flexural center of diaphragm is to reach, until diaphragm does not touch push rod in the time of flex motion, now push rod under spring action, move forward to before initial point, its control conical surface again promotes depression bar and presses spool, Fill valve is closed, repairing stops.
Improve as one, the valve body of oil-supplementing system is installed on the outer side surface of cylinder body, overhauls very easy.
Improve as one, when hydraulic pressure cavity oil mass is mended when appropriate, diaphragm flexural center is in normal state, diaphragm does not touch push rod, and now axial displacement is to front initial point forward under push rod spring effect for push rod, and the control conical surface on push rod pushes depression bar end face, the downward axial displacement of depression bar, press spool, Fill valve is closed, and repairing stops.
As further improvement, the repairing amount of this system 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 beneficial effects of the utility model are:
1) can precisely control repairing amount, improve stability and the reliability of hydraulic reciprocating diaphragm pump;
2) can extend diaphragm working life;
3) dismounting of repairing structure and maintaining are more easy.
Brief description of the drawings
Fig. 1 is the controlled repairing structural representation of the utility model hydraulic reciprocating diaphragm pump external;
Fig. 2 is dashed circle part enlarged diagram in Fig. 1;
The controlled repairing structure of Fig. 3 the utility model hydraulic reciprocating diaphragm pump external repairing process schematic diagram;
Fig. 4 is existing Fill valve structural representation;
Reference character: 1, lamina membranacea; 2, push rod; 3, depression bar; 4, Pressure-bar spring; 5, depression bar cover; 6, spool; 7, Fill valve; 8, repairing valve pocket; 9, gland; 10, repairing pipe; 11, cylinder body; 12, diaphragm; 13, control the conical surface; 14, push rod spring; 15, valve core spring; 16, hydraulic pressure cavity; 17, pump head.
Embodiment
Following embodiment can make the technician of this professional skill field more fully understand the utility model, but limits never in any form the utility model.
The utility model embodiment is the controlled repairing structure of a kind of hydraulic reciprocating diaphragm pump external, comprises cylinder body 11, lamina membranacea 1, push rod 2, depression bar 3, depression bar cover 5, spool 6, Fill valve 7, repairing valve pocket 8, Pressure-bar spring 4, push rod spring 14, valve core spring 15, gland 9, repairing pipe 10, diaphragm 12, controls the conical surface 13, hydraulic pressure cavity 16, pump head 17; In described cylinder body 11, be provided with hydraulic pressure cavity 16, in hydraulic pressure cavity 16, be provided with lamina membranacea 1, diaphragm 12, described lamina membranacea 1 two ends are fixed on cylinder body 11, diaphragm 12 two ends respectively correspondence are fixed between lamina membranacea 1 and pump head 17, pump head 17 is with bolts with cylinder body 11, described push rod 2 one end are run through by lamina membranacea 1 and are extended in hydraulic pressure cavity 16, and push rod 2 the other ends are arranged in cylinder body 11, and are provided with push rod spring 14 between push rod 2 and cylinder body 11; Described repairing pipe 10 runs through by cylinder body 11 bottoms and is connected on Fill valve 7, is provided with spool 6, and is provided with valve core spring 15 in spool 6 outsides in described Fill valve 7; Fill valve is provided with screw thread outside 7 one end, and is fixed on cylinder body 11 by screw thread, and Fill valve 7 the other ends extend in hydraulic pressure cavity 16; Fill valve 7 is connected with depression bar 3 by spool 6, and the outer depression bar cover 5 that is provided with of described depression bar 3, is provided with Pressure-bar spring 4 between depression bar 3 and depression bar cover 5; Wherein depression bar 3 one end extend in the groove of controlling the conical surface 13; Described push rod 2, depression bar 3, Fill valve 7 are fixed in cylinder body 11 by push rod spring 14, depression bar cover 5, repairing valve pocket 8 respectively.
Described push rod 2 runs through one end by lamina membranacea 1 higher than lamina membranacea 1 bottom surface, in the time that diaphragm 12 touches push rod 2 because of hydraulic pressure cavity 16 oil starvations, can make push rod 2 displacement backward, the control conical surface 13 that is pressed on the push rod 2 of depression bar 3 end faces moves simultaneously backward, produce loosening with contacting of depression bar 3, depression bar 3 to top offset, departs from spool 6 under the effect of Pressure-bar spring 4, opens repairing at hydraulic pressure cavity 16 suction function lower valve cores 6.
Between described gland 9 and cylinder body 11, adopt plane and O type circle combination seal form, sealing form is the opposed installation of two planes, wherein a plane is established a groove, a rubber o-ring is installed in groove, in the time that the medium in pipeline or the container of needs sealing produces pressure, rubber o-ring is compressive deformation thereupon, by the clearance seal between two planes, pressure is larger, and sealing effect is better.
Described push rod 2 is provided with a push rod spring 14, a control conical surface 13, a described push rod spring 14 and control conical surface 13 respectively with push rod 2 central shaft symmetries.
The outer Fill valve cover 8 that is provided with of described Fill valve 7, described valve core spring 15 is arranged between spool 6 and repairing valve pocket 8.
The utility model embodiment's application process
In Fig. 1, in pump operation, when oil starvation not in hydraulic pressure cavity 16, diaphragm 12 flexural centers are in the time of normal position, diaphragm 12 flex motion backward, do not touch push rod 2, initial point before push rod 2 is positioned under the effect of push rod spring 14, the control conical surface 13 on push rod 2 pushes depression bar 3 end faces, the downward axial displacement of depression bar 3, press spool 6, Fill valve 7 is closed not repairing, and pump can normally be worked.
In Fig. 2, in the time of hydraulic pressure cavity 16 inner oil shortage, described diaphragm 12 flexural centers are to lamina membranacea 1 direction skew, diaphragm 12 touches push rod 2 end faces backward when flex motion, and push push rod 2 axial displacement backward, be positioned at the control conical surface 13 displacements backward simultaneously on push rod 2, loosening with depression bar 3 end contacts that tightly suppress, depression bar 3 end faces upwards move axially under the effect of Pressure-bar spring 4, depart from the spool 6 being pressed, under hydraulic pressure cavity 16 suction functions, spool 6 is opened, hydraulic oil is in repairing pipe 10 enters hydraulic pressure cavity 16, until hydraulic oil adds in right amount, now diaphragm 12 flexural centers recover normal position, diaphragm 12 does not touch push rod 3, initial point before push rod 3 is moved to forward under push rod spring 14 effects, control the conical surface 13 and tightly suppress depression bar 3 end faces, depression bar 3 presses spool 6 downwards, Fill valve 7 is closed, repairing stops.
There is a control conical surface 13 one end of described push rod 2, and in the time that diaphragm 12 does not touch push rod 2, this control conical surface 13 tightly suppresses depression bar 3, and depression bar 3 is pressed on spool 6 on repairing valve pocket 8, does not produce repairing action.When diaphragm 12 pushes push rod 2, the control conical surface 13 that makes to be positioned on push rod 2 becomes flexible with depression bar 3 end contacts, and depression bar 3, under Pressure-bar spring 4 effects, moves up, and departs from spool 6, and now spool 6 is opened under hydraulic pressure cavity 16 suction functions, starts repairing.
When described diaphragm 12 touches push rod 2, spool 6 is pressed on Fill valve 7 by depression bar 3, and Fill valve 7 is closed; Otherwise open.
When work, when hydraulic oil quantity not sufficient, oil-supplementing system starts repairing, lacks how many how much benefit, supplies and stops mending, and does not lack and does not mend, and excess is not mended.
Certainly, the controlled oil-supplementing system of this hydraulic reciprocating diaphragm pump external is not limited only to above structure and concrete usage mode, this is concrete case study on implementation, and hydraulic reciprocating diaphragm pump external oil-supplementing system can have even structure of different shapes, can also be applied to different occasions.Within such conversion all drops on protection domain of the present utility model.
Claims (6)
1. the controlled repairing structure of hydraulic reciprocating diaphragm pump external, comprises cylinder body, it is characterized in that, also comprises pump head, push rod, depression bar, repairing valve pocket, gland and repairing pipe;
In described cylinder body, be provided with hydraulic pressure cavity, in hydraulic pressure cavity, be provided with lamina membranacea, diaphragm, described lamina membranacea is arranged on cylinder body, diaphragm two ends respectively correspondence are fixed between lamina membranacea and pump head, pump head and cylinder body are with bolts, 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 is arranged in cylinder body;
Described repairing pipe is connected on Fill valve by cylinder base, 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 in cylinder body by threaded stem, and the Fill valve the other end extends in hydraulic pressure cavity;
Fill valve is connected with depression bar by spool, and described depression bar is provided with depression bar cover outward, between depression bar and depression bar cover, Pressure-bar spring is installed;
Described push rod is provided with push rod spring, controls the conical surface, and wherein depression bar one end extends in the groove of controlling the conical surface;
Described depression bar, Fill valve are fixed in cylinder body by depression bar cover, repairing valve pocket respectively.
2. according to the controlled repairing structure of the hydraulic reciprocating diaphragm pump external described in claim 1, it is characterized in that, described push rod runs through one end by lamina membranacea higher than lamina membranacea bottom surface.
3. according to the controlled repairing structure of the hydraulic reciprocating diaphragm pump external described in claim 1, it is characterized in that, between described gland and cylinder body, adopt plane and O type circle combination seal form, sealing form is the opposed installation of two planes, wherein a plane is established a groove, and a rubber o-ring is installed in groove.
4. according to the controlled repairing structure of the hydraulic reciprocating diaphragm pump external described in claim 1, it is characterized in that, described push rod is provided with a push rod spring, a control conical surface, described push rod spring, control the conical surface respectively with push rod central shaft symmetry.
5. according to the controlled repairing structure of the hydraulic reciprocating diaphragm pump external described in claim 1, it is characterized in that, described Fill valve is provided with Fill valve cover outward, and described valve core spring is arranged between spool and repairing valve pocket.
6. according to the controlled repairing structure of the hydraulic reciprocating diaphragm pump external described in claim 1～5 any one, it is characterized in that, described push rod spring is installed between push rod and cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420072008.4U CN203756478U (en) | 2014-02-19 | 2014-02-19 | External controllable oil-feeding structure of hydraulic diaphragm reciprocation pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420072008.4U CN203756478U (en) | 2014-02-19 | 2014-02-19 | External controllable oil-feeding structure of hydraulic diaphragm reciprocation pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203756478U true CN203756478U (en) | 2014-08-06 |
Family
ID=51251761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420072008.4U Expired - Fee Related CN203756478U (en) | 2014-02-19 | 2014-02-19 | External controllable oil-feeding structure of hydraulic diaphragm reciprocation pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203756478U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209844A (en) * | 2018-11-15 | 2019-01-15 | 西安交通大学 | Diaphragm type compressor and its flow rate adjusting method |
-
2014
- 2014-02-19 CN CN201420072008.4U patent/CN203756478U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209844A (en) * | 2018-11-15 | 2019-01-15 | 西安交通大学 | Diaphragm type compressor and its flow rate adjusting method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1857225A1 (en) | Blasting device for premixed abrasive slurry | |
| CN103835928A (en) | External controllable oil supply structure of hydraulic reciprocating diaphragm pump | |
| CN203756478U (en) | External controllable oil-feeding structure of hydraulic diaphragm reciprocation pump | |
| CN203756479U (en) | Built-in controllable oil-feeding structure of hydraulic diaphragm reciprocation pump | |
| CN203822741U (en) | Sealing structure of pumping cylinder rod | |
| CN103481052B (en) | A kind of cylinder sleeve indenter device | |
| CN203570578U (en) | Oil cylinder gland of membrane pump | |
| CN203627382U (en) | Oil and gas isolation type pressure cylinder with automatic oil filling and automatic gas exhausting functions | |
| CN202007887U (en) | Integral sealing engineering cylinder | |
| CN104942968A (en) | Novel servo ejection device for brick press | |
| CN203765756U (en) | Novel servo-ejecting device of brick press | |
| CN204471060U (en) | Automatic withdrawal boring cutter box on a kind of heavy horizontal lathe | |
| CN203641165U (en) | Hydraulic clamping device with clamping clearance adjusting and compensation functions | |
| CN103821701A (en) | Hydraulic diaphragm reciprocating pump built-in controllable oil supplying structure | |
| CN203972430U (en) | A kind of multi-functional relief fittings | |
| CN203892599U (en) | Self-balancing type decoking control valve | |
| CN208545791U (en) | A kind of guide piston ring suitable for quartering hammer cylinder body | |
| CN201843858U (en) | Hydraulic oil cylinder using floating one-way valve plate for cushioning | |
| CN205446244U (en) | Air cylinder | |
| CN203948376U (en) | A kind of advance and retreat cylinder structure | |
| CN202660201U (en) | Automatic thread compound refueling machine | |
| CN204062111U (en) | Novel float valve | |
| CN104454905B (en) | A kind of automatic loose proof bolt | |
| CN208648643U (en) | A kind of suction forced oil device of hoistable platform hydraulic oil pump | |
| CN210829925U (en) | Oil circuit system of oil cylinder of top-loading hydraulic press |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20170219 |