CN201763559U - Double acting piston pump - Google Patents
Double acting piston pump Download PDFInfo
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- CN201763559U CN201763559U CN2010205268095U CN201020526809U CN201763559U CN 201763559 U CN201763559 U CN 201763559U CN 2010205268095 U CN2010205268095 U CN 2010205268095U CN 201020526809 U CN201020526809 U CN 201020526809U CN 201763559 U CN201763559 U CN 201763559U
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- plunger
- piston
- piston cylinder
- end cap
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Abstract
The utility model relates to a double acting piston pump, which has the main technical characteristics of comprising pistons 1, bolts 2, piston cylinders 5, plunger pistons 6, piston cylinder end covers 7, plunger piston cylinders 13 and plunger piston cylinder end covers 17 etc. The double acting piston pump has a bilaterally symmetrical structure. The two pistons 1 on the left and right are respectively provided with a plunger piston 6 the diameter of which is smaller than the diameter of the piston 1. The left and right pistons 1 are equipped back to back and connected through the bolts 2 into one integral body. The left and right piston cylinder end covers 7 are sleevedly equipped on the left and right plunger pistons and fastened on the two sides of the piston cylinders 5. The upper ends of the piston cylinder end covers 7 are provided with a bidirectional input/output joint while the lower ends are provided with an overflow port 23. The plunger piston cylinders 13 are sleevedly equipped on the plunger pistons 6. The plunger piston cylinder end covers 17 are abuttingly equipped on the outboard of the plunger piston cylinders 13. The plunger piston cylinder end covers 17 press the plunger piston cylinders 13 and are fastened on screw holes on the side end faces of the piston cylinder end covers 7. An input sealing ball 21 is equipped inside the plunger piston cylinder end covers 17. An output sealing ball 16 is equipped inside a high pressure output spigotjoint 14. The utility model has the characteristics of compact structure, rapid reliable pressure boost and wide application range etc.
Description
Technical field
The utility model relates to a kind of double-action plunger pump, and it can carry out controlled supercharging to water, gas, vapour, wet goods fluid, is specially adapted to above fluid is carried out continuous high pressure supercharging.
Background technique
At present, plunger pump particularly double-action plunger pump because its excellent sealing performance and pressurized effect be used widely at many industry fields.In the background technique, domestic double-action plunger pump all is to adopt hydraulic driving or two kinds of driving mode of Mechanical Driven, when adopting hydraulic driving mode, its system architecture is complicated, the cost height, safeguard inconvenient, and adopt the Mechanical Driven mode to have defectives such as rate of fault height, pressure output instability, and no matter be to adopt hydraulic driving or Mechanical Driven mode, its boost pressure is all less, generally have only tens MPas, and can not realize continuous high pressure output.In order to overcome above deficiency, both reached efficient, simple, but the purpose of continous-stable supercharging is again developed to a kind of double-action plunger pump.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of double-action plunger pump, it realizes continuous high-pressure liquid output by the left and right sides plunger on the pressurized fluid driven piston of two-way I/O, by external reduction valve, throttle valve and bi-bit bi-pass selector valve, regulate the pressure and the flow of incoming pressure fluid, can the pressure and the flow of output high-pressure liquid be control effectively, the pressure of output high-pressure liquid is n times of incoming pressure hydrodynamic pressure
, D is a piston diameter, and d is a plunger diameter, and n can choose in 2～10 scopes.
The technological scheme that its technical problem of solving the utility model adopts is: it comprises that piston, bolt, piston seal, piston abrasion-proof ring, piston cylinder, plunger, piston cylinder end cap, plunger seal, plunger wear ring, plunger high-pressure sealing component, tightening nut, elongated screw rod, plunger case, high pressure output connect mouth, plug, output closure ball, plunger case end cap, connecting screw rod, gland nut, input and connects mouth, input closure ball, erection support, overflow hole
Double-action plunger pump of the present utility model is the bilateral symmetry structure, about two piston axial directions one plunger is arranged respectively, piston and plunger are monolithic construction, the diameter of plunger is less than the diameter of piston, about two plunger backer to installation, and be connected to form an integral body by three bolts, piston seal, piston abrasion-proof ring are loaded on respectively in the outer annular groove of piston, the piston integral body of band left and right sides plunger is loaded in the piston cylinder
In three annular grooves plunger seal, plunger wear ring and plunger high-pressure sealing component are housed respectively in the plunger hole of described piston cylinder end cap, there is the two-way input/output interface of pressure fluid the upper end of piston cylinder end cap, there is an overflow hole its lower end, about two piston cylinder end caps be set on the plunger of the left and right sides, be pressed against respectively piston cylinder two ends band seal ring bead, and by tightening nut, elongated screw rod with about two piston cylinder end caps be anchored on the piston cylinder both sides
Plunger case is set on the plunger, presses the outer bead of piston cylinder end cap,
There are fluid input channel and high-pressure liquid output channel in the inside of described plunger case end cap, be equipped with the input closure ball in the fluid input channel, the plunger case end cap is by being loaded on the outside of plunger case, piston cylinder end cap and plunger case end cap press respectively plunger case two ends band seal ring bead, connecting screw rod, gland nut press plunger case with the plunger case end cap and are fastenedly connected in the side end face of piston cylinder end cap screw
High pressure output connects the mouth mounted inside the output closure ball, and high pressure output connects the high-pressure liquid output interface that mouth is bolted in plunger case end cap upper end, and plug is bolted in high pressure output and connects on the mouth,
Input connects the fluid input interface that mouth is bolted in plunger case end cap lower end,
Erection support is fixed in the lower end, the outside of piston cylinder end cap by tightening nut, elongated screw rod.
The utility model is compared the beneficial effect that is produced with prior art:
1, adopt the bilateral symmetry structural type of piston band left and right sides plunger, the pressure of output high-pressure liquid because the diameter of plunger less than the diameter of piston, so just can be multiplied, and can guarantee that the high-pressure spray physical efficiency after the supercharging realizes output continuously.
2, by reduction valve, throttle valve and the bi-bit bi-pass selector valve of external automatic control, regulate the pressure and the flow of two-way I/O pressure fluid, can realize the pressure and the flow of high pressure output fluid are controlled automatically.
3, by selecting the Sealing that adapts to different pressures and material for use, can be widely used in different pressure range (tens to 300 MPas) and different charging fluid kinds (as water, gas, vapour, wet goods).
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 is the structural representation of a kind of double-action plunger pump of the utility model;
Fig. 2 is the structural representation of piston 1 and plunger 6 among Fig. 1;
Fig. 3 is the structural representation of piston cylinder 5 among Fig. 1;
Fig. 4 is the structural representation of piston cylinder end cap 7 among Fig. 1;
Fig. 5 is the structural representation of plunger case 13 among Fig. 1;
Fig. 6 is the structural representation of plunger case end cap 17 among Fig. 1.
Embodiment
Referring to accompanying drawing 1, a kind of double-action plunger pump, it comprises piston 1, bolt 2, piston seal 3, piston abrasion-proof ring 4, piston cylinder 5, plunger 6, piston cylinder end cap 7, plunger seal 8, plunger wear ring 9, plunger high-pressure sealing component 10, tightening nut 11, elongated screw rod 12, plunger case 13, high pressure output connects mouth 14, plug 15, output closure ball 16, plunger case end cap 17, connecting screw rod 18, gland nut 19, input connects mouth 20, input closure ball 21, erection support 22, overflow hole 23
Referring to accompanying drawing 1,2,3, double-action plunger pump of the present utility model is the bilateral symmetry structure, about two piston 1 axial directions one plunger 6 is arranged respectively, piston 1 and plunger 6 are monolithic construction, the diameter of plunger 6 is less than the diameter of piston 1, about two pistons 1 lean against installation, and connect into an integral body by 6 bolts 2, about two piston seals 3 are loaded on respectively in the outer annular groove of two pistons 1, two pistons 1 connected in the outer annular groove of whole back formation about piston abrasion-proof ring 4 was loaded on, piston 1 integral body of two plungers 6 is loaded in the piston cylinder 5 about band
Referring to accompanying drawing 1,4, in three annular grooves plunger seal 8 is housed respectively in the plunger hole of described piston cylinder end cap 7, plunger wear ring 9 and plunger high-pressure sealing component 10, there is the two-way input/output interface of pressure fluid the upper end of piston cylinder end cap 7, there is an overflow hole 23 its lower end, about two piston cylinder end caps 7 be set on the left and right sides plunger 6, be pressed against respectively piston cylinder 5 two ends band seal rings bead, and by tightening nut 11, elongated screw rod 12 with about two piston cylinder end caps 7 be anchored on piston cylinder 5 both sides
Referring to accompanying drawing 1,5, plunger case 13 is set on the plunger 6, presses the outer bead of piston cylinder end cap 7,
Referring to accompanying drawing 1,6, there are fluid input channel and high-pressure liquid output channel in the inside of described plunger case end cap 17, be equipped with input closure ball 21 in the fluid input channel, plunger case end cap 17 is by being loaded on the outside of plunger case 13, piston cylinder end cap 7 and plunger case end cap 17 press respectively plunger case 13 two ends band seal rings bead, connecting screw rod 18, gland nut 19 press plunger case 13 with plunger case end cap 17 and are fastenedly connected in the side end face of piston cylinder end cap 7 screw
High pressure output connects mouth 14 mounted inside output closure ball 16, and high pressure output connects the high-pressure liquid output interface that mouth 14 is bolted in plunger case end cap 17 upper ends, and plug 15 is bolted in high pressure output and connects on the mouth 14,
Input connects the fluid input interface that mouth 20 is bolted in plunger case end cap 17 lower ends, and erection support 22 is fixed in the lower end, the outside of piston cylinder end cap 7 by tightening nut 11, elongated screw rod 12.
Working procedure:
Double-action plunger pump of the present utility model is by two two-way input/output interface incoming pressure fluids of A, B of piston cylinder end cap 7 upper ends.Before the pressure fluid I/O,, realize the commutation and the commutating frequency of pressure, flow and the pressure fluid of the two-way I/O pressure fluid of adjusting through external reduction valve, throttle valve and bi-bit bi-pass selector valve.
Import from the A interface of left piston cylinder end cap 7 upper ends with certain pressure and flow as pressure fluid, pressure fluid enters the left chamber of piston cylinder 5, driven plunger 1 moves right, piston 1 drives left and right sides plunger 6 and moves right simultaneously, pressure fluid in the piston cylinder 5 right chambeies is discharged from the B interface of right piston cylinder end cap 7 upper ends, input closure ball in the left plunger case end cap 17 21 is opened at this moment, the output closure ball 16 that left side high pressure output connects in the mouth 14 is closed, left side plunger case 13 connects the fluid that the E interface of mouth 20 will be to be pressurizeed by left plunger case end cap 17 lower ends inputs and sucks, the existing pressure fluid for the treatment of is then through the pressure effect of right plunger 6 in the simultaneously right plunger case 13, close at right side input closure ball 21 after the supercharging, under the situation that right output closure ball 16 is opened, connect the D interface output of mouth 14 through right high pressure output.
After pressure fluid commutates through the bi-bit bi-pass selector valve, pressure fluid is from the B interface input of right piston cylinder end cap 7 upper ends, pressure fluid enters the right chamber of piston cylinder 5, driven plunger 1 is to left movement, piston 1 drives left and right sides plunger 6 simultaneously to left movement, existing pressure fluid in the piston cylinder 5 left chambeies is discharged from the A interface of left piston cylinder end cap 7 upper ends, input closure ball in the right plunger case end cap 17 21 is opened at this moment, the output closure ball 16 that right high pressure output connects in the mouth 14 is closed, right plunger case 13 connects the fluid that the F interface of mouth 20 will be to be pressurizeed by the input of right plunger case end cap 17 lower ends and sucks, the existing pressure fluid for the treatment of is then through the pressure effect of left plunger 6 in the simultaneously left plunger case 13, close at left side input closure ball 21 after the supercharging, under the situation that left side output closure ball 16 is opened, connect the C interface output of mouth 14 through left high pressure output.
Above process moves in circles, and when excessive, the overflow hole 23 of piston cylinder end cap 7 lower ends can carry out overflow in good time as the hydrodynamic pressure in the plunger case in the pressurization 13.
Since the lifting surface area of piston 1 be plunger 6 lifting surface areas n doubly, so the pressure that connects the high-pressure liquid of mouth 14 outputs through high pressure output from plunger case 13 be input piston cylinder 5 hydrodynamic pressures n doubly.
It below only is most preferred embodiment of the present utility model, according to above-mentioned design, those skilled in the art can make various changes and conversion to the overall structure of piston 1 and plunger 6 compositions, as: can be processed into about a solid piston band two plungers or a band center hole solid piston and the overall structure that long-plunger is fixed by the bar shaped key, similar this change and conversion all belong to the essence of the invention.
Claims (3)
1. a double-action plunger pump is characterized in that it comprises that it comprises piston (1), bolt (2), piston seal (3), piston abrasion-proof ring (4), piston cylinder (5), plunger (6), piston cylinder end cap (7), plunger seal (8), plunger wear ring (9), plunger high-pressure sealing component (10), tightening nut (11), elongated screw rod (12), plunger case (13), high pressure output connects mouth (14), plug (15), output closure ball (16), plunger case end cap (17), connecting screw rod (18), gland nut (19), input connects mouth (20), input closure ball (21), erection support (22), overflow hole (23);
Described double-action plunger pump is the bilateral symmetry structure, about two pistons (1) axial direction one plunger (6) is arranged respectively, piston (1) and plunger (6) are monolithic construction, about two pistons (1) lean against installation, and connect into an integral body by 6 bolts (2), about two piston seals (3) are loaded on respectively in the outer annular groove of two pistons (1), two pistons (1) connected in the outer annular groove of whole back formation about piston abrasion-proof ring (4) was loaded on, and piston (1) integral body of two plungers (6) is loaded in the piston cylinder (5) about band;
In three annular grooves plunger seal (8), plunger wear ring (9) and plunger high-pressure sealing component (10) are housed respectively in the plunger hole of described piston cylinder end cap (7), there is the two-way input/output interface of pressure fluid piston cylinder end cap (7) upper end, there is an overflow hole (23) lower end, about two piston cylinder end caps (7) be set on the left and right sides plunger (6), press respectively piston cylinder (5) two ends band seal ring bead, and by tightening nut (11), elongated screw rod (12) with about two piston cylinder end caps (7) be anchored on the both sides of piston cylinder (5);
Plunger case (13) is set on the plunger (6), is pressed against the outer bead of piston cylinder end cap (7);
There are fluid input channel and high-pressure liquid output channel in the inside of described plunger case end cap (17), be equipped with input closure ball (21) in the fluid input channel, plunger case end cap (17) is by being loaded on the outside of plunger case (13), piston cylinder end cap (7) and plunger case end cap (17) press respectively plunger case (13) two ends band seal ring bead, connecting screw rod (18), gland nut (19) press plunger case (13) with plunger case end cap (17) and it are fastenedly connected in the side end face screw of piston cylinder end cap (7);
High pressure output connects mouth (14) mounted inside output closure ball (16), and high pressure output connects the high-pressure liquid output interface that mouth (14) is bolted in plunger case end cap (17) upper end, and plug (15) is bolted in high pressure output and connects on the mouth (14);
Input connects the fluid input interface that mouth (20) is bolted in plunger case end cap (17) lower end, and erection support (22) is fixed in the lower end, the outside of piston cylinder end cap (7) by tightening nut (11), elongated screw rod (12).
2. a kind of double-action plunger pump according to claim 1 is characterized in that the diameter of the diameter of described piston (1) greater than plunger (6), and the pressure of the high-pressure liquid of exporting after the supercharging is n times of incoming pressure hydrodynamic pressure,
, D is a piston diameter, and d is a plunger diameter, and n can choose in 2～10 scopes.
3. a kind of double-action plunger pump according to claim 1, it is characterized in that described about two pistons (1) and about the overall structure formed of two plungers (6) can be processed into about a solid piston band two plungers or a band center hole solid piston and the overall structure that long-plunger is fixed by the bar shaped key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205268095U CN201763559U (en) | 2010-09-13 | 2010-09-13 | Double acting piston pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205268095U CN201763559U (en) | 2010-09-13 | 2010-09-13 | Double acting piston pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201763559U true CN201763559U (en) | 2011-03-16 |
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ID=43716165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205268095U Expired - Fee Related CN201763559U (en) | 2010-09-13 | 2010-09-13 | Double acting piston pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201763559U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922427A (en) * | 2010-09-13 | 2010-12-22 | 江南机器（集团）有限公司 | Bidirectional booster plunger pump |
| CN102758772A (en) * | 2012-08-11 | 2012-10-31 | 大庆市金拓石油机械制造有限公司 | Double-acting reciprocating booster pump |
| CN107101903A (en) * | 2017-06-02 | 2017-08-29 | 常州大学 | HTHP multiphase flow injecting type erosion-corrosion experiment device |
-
2010
- 2010-09-13 CN CN2010205268095U patent/CN201763559U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922427A (en) * | 2010-09-13 | 2010-12-22 | 江南机器（集团）有限公司 | Bidirectional booster plunger pump |
| CN102758772A (en) * | 2012-08-11 | 2012-10-31 | 大庆市金拓石油机械制造有限公司 | Double-acting reciprocating booster pump |
| CN107101903A (en) * | 2017-06-02 | 2017-08-29 | 常州大学 | HTHP multiphase flow injecting type erosion-corrosion experiment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGNAN INDUSTRIES GROUP CO., LTD. Free format text: FORMER NAME: JIANGNAN MACHINERY (GROUP) CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Bamboo town Yuhu District 411207 Hunan city of Xiangtan Province Patentee after: Jiangnan Industries Group Co., Ltd. Address before: Nan Zhushan Yuhu District 411207 Hunan city of Xiangtan Province Patentee before: Jiangnan Machinery (Group) Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20140913 |
|
| EXPY | Termination of patent right or utility model |