CN202040053U - Plunger-type diaphragm pump for submersible motor - Google Patents
Plunger-type diaphragm pump for submersible motor Download PDFInfo
- Publication number
- CN202040053U CN202040053U CN201120141114XU CN201120141114U CN202040053U CN 202040053 U CN202040053 U CN 202040053U CN 201120141114X U CN201120141114X U CN 201120141114XU CN 201120141114 U CN201120141114 U CN 201120141114U CN 202040053 U CN202040053 U CN 202040053U
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- Prior art keywords
- plunger
- chamber
- oil
- pump
- valve
- 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
- 230000004888 barrier function Effects 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000008602 contraction Effects 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000005086 pumping Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 18
- 239000012530 fluid Substances 0.000 description 8
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
Images
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
The utility model relates to a plunger-type diaphragm pump for a submersible motor. The plunger-type diaphragm pump comprises a driving shaft that is arranged in a lower pump body and penetrates axially, the upper part of the driving shaft is connected with an axial bevel gear, a cam shaft is radially fixed in an upper chamber of the lower pump body, a cam is arranged in the middle of the cam shaft, and a radial bevel gear meshed with the axial bevel gear is fixed on the cam shaft; a plunger outer chamber is arranged in a middle pump body and is internally provided with a plunger, the lower part of the plunger is matched with the cam in a rotary way, and a spring is arranged between the top of the plunger and the top of the plunger outer chamber; a plunger inner chamber is arranged axially upward along the plunger and is internally provided with a sliding valve, and the upper end part of the sliding valve is connected with a diaphragm; and the two sides of the plunger outer chamber are respectively provided with an oil drain valve and an oil inlet valve that are communicated with the upper chamber of the lower pump body and the plunger inner chamber. In the plunger-type diaphragm pump, the plunger drives the diaphragm to do reciprocating motion, and the contraction and the expansion of a working chamber of the diaphragm can be realized, thereby finally realizing the pumping of the oil and realizing the purpose of small-displacement oil exploitation with high efficiency and energy saving.
Description
Technical field
The utility model relates to a kind of diaphragm pump, relates in particular to the oil-submersible motor plunger type diaphragm pump in a kind of oil-submersible electric pump field.
Background technique
The oil-submersible electric pump cooperates with motor realizes that down-hole oil production is a field of petroleum exploitation technological means commonly used.The oil-submersible electric pump that uses mainly is to be extracted in the oil pipe by the fluid that the pump housing is outer of the rotary blade mode in the pump housing at present, realizes the collection of down-hole fluid, and this electric submersible centrifugal pump has the advantages that big discharge capacity is gathered underground fluid.Prolongation along with cycle of underground fluid exploitation, a large amount of hyposmosis oil wells has appearred, the reduction of fluid discharging (infiltration) amount, the operation under the low load of oil-submersible electric pump certainly will appear in the existing oil-submersible electric pump of continuation use, and pump efficiency reduces, the problem of the relative raising of energy consumption.
Summary of the invention
Provide a kind of oil-submersible motor plunger type diaphragm pump in order to solve the problems of the technologies described above the utility model, purpose is to improve the working efficiency of pump, cuts down the consumption of energy, and is fit to medium and small discharge capacity oil mining and uses.
For reaching above-mentioned purpose the utility model oil-submersible motor plunger type diaphragm pump, comprise upper pump casing, the middle pump housing and lower pump body, be provided with the transmission shaft that axially runs through in the lower pump body, the top of transmission shaft is connected with axial bevel gear, in the lower pump body upper chamber, radially be fixed with camshaft, the middle part of camshaft is provided with cam, and is fixed with the radially bevel gear that meshes with axial bevel gear on camshaft; Be provided with the plunger outer chamber in the middle pump housing, be provided with plunger in the plunger outer chamber, the bottom of plunger cooperates with the cam rotation, be provided with spring between plunger head and the plunger outer chamber top, along plunger axis after upwards be provided with the plunger cavity chamber, the indoor guiding valve that is provided with of plunger cavity, guiding valve pass spring, plunger outer chamber top successively, the guiding valve upper end portion connects barrier film, is respectively equipped with the oil drain valve and the oiling valve that are communicated with lower pump body upper chamber and plunger cavity chamber in the both sides of plunger outer chamber; The connecting part of the upper pump casing and the middle pump housing is shaped on the barrier film active chamber in advance, and barrier film radially is clamped in the transverse section of barrier film active chamber, is provided with draining valve between upper pump casing oil outlet and barrier film active chamber, is provided with oil sucting valve between the upper pump casing outside and the barrier film active chamber.
Be provided with the plunger lining between the outer wall of described plunger and the middle pump housing inwall, the plunger lining is provided with the catheter channel that connects with oil drain valve and oiling valve.
Described camshaft two ends and lower pump body connecting part are provided with bearing and bearing cap.
The connecting part of described transmission shaft and lower pump body is provided with stuffing box bearing.
The pump housing is formed whole with upper pump casing and lower pump body in the middle of described by being threaded.
The utility model has the advantages of:
The impeller that will have the oil-submersible electric pump on the utility model structure now directly aspirates and has carried out major tuneup, drive the barrier film to-and-fro motion by plunger, realize the retractable of barrier film active chamber, finally realize the pump drainage of fluid, reach the purpose that efficient, energy-conservation float amount is exploited fluid.
Description of drawings
Fig. 1 is a structure sectional view of the present utility model.
Embodiment
The utility model oil-submersible motor plunger type diaphragm pump comprises upper pump casing 1, the middle pump housing 6 and lower pump body 18 as shown in the figure, and the middle pump housing 6 is formed whole with upper pump casing 1 and lower pump body 18 by being threaded.Be provided with the transmission shaft 19 that axially runs through in the lower pump body 18, the top of transmission shaft 19 is connected with axial bevel gear 16, in lower pump body 18 upper chamber, radially be fixed with camshaft 15, the middle part of camshaft 15 is provided with cam 12, and on camshaft 15, be fixed with the radially bevel gear 13 that meshes with axial bevel gear 16, realize that camshaft 15 radially rotates; Be provided with the plunger outer chamber in the middle pump housing 6, be provided with plunger 11 in the plunger outer chamber, the bottom of plunger 11 cooperates with cam 12 rotations, pump to drive plunger 11, be provided with spring 7 between plunger 11 tops and the plunger outer chamber top, spring 7 promotes plunger 11 and resets, axially upwards be provided with the plunger cavity chamber along plunger 11, the indoor guiding valve 8 that is provided with of plunger cavity, guiding valve 8 passes spring 7 successively, behind the plunger outer chamber top, guiding valve 8 upper end portions connect barrier film 4, are respectively equipped with the oil drain valve 10 and the oiling valve 5 that are communicated with lower pump body 18 upper chamber and plunger cavity chamber in the both sides of plunger outer chamber, form the oil pressure circulatory system; Upper pump casing 1 is shaped on barrier film active chamber 20 in advance with the connecting part of the middle pump housing 6, barrier film 4 radially is clamped in the transverse section of barrier film active chamber 20, lubricant oil and well liquid are separated, between upper pump casing 1 oil outlet and barrier film active chamber 20, be provided with draining valve 2, be provided with oil sucting valve 3 between upper pump casing 1 outside and the barrier film active chamber 20; Be provided with plunger lining 9 between the outer wall of plunger 11 and the middle pump housing 6 inwalls, plunger lining 9 is provided with the catheter channel that connects with oil drain valve 10 and oiling valve 5; Camshaft 15 two ends and lower pump body 18 connecting parts are provided with bearing and bearing cap 14, fill with hydraulic oil in the cavity, make all moving elements be in good lubricating status, and bearing cap 14 is used for fixing bearing and sealing, prevent that lubricant oil leaks in the lower pump body 18; Transmission shaft 19 is provided with stuffing box bearing 17 with the connecting part of lower pump body 18; The exposed parts of transmission shaft 19 is connected cooperation with motor,
Described oil drain valve 10, oiling valve 5, oil sucting valve 3 and draining valve 2 adopt ball valve, and barrier film 4 adopts the high-strength rubber material to make.
On the basis of the foregoing description, omit plunger lining 9, have same effect, but must keep plunger 11 to cooperate with the smooth seal of the middle pump housing 6 inwalls.Lower pump body 18 is managed orchid with upper pump casing 1 end, is convenient to the pump lower end and links to each other with motor, and top links to each other with tubing string, and with being threaded, sealing is reliable between the pump housing, can reduce the radial dimension of pump simultaneously, makes pump be applicable to less pit shaft.
Its working principle is: transmission shaft links to each other with oil-submersible motor, rotate by the bevel gear on the driven by motor transmission shaft, and power passed to radially bevel gear, rotate together with camshaft, cam, promote plunger and pump, the hydraulic oil in the lower pump body is sucked, discharges by oil drain valve and oiling valve, the promotion barrier film moves up and down, thereby make oil sucting valve and draining valve unlatching, close, (fluid) well liquid is given rise to ground, spring is used to promote resetting of plunger.
Claims (5)
1. oil-submersible motor plunger type diaphragm pump, comprise upper pump casing, the middle pump housing and lower pump body, it is characterized in that being provided with in the lower pump body transmission shaft that axially runs through, the top of transmission shaft is connected with axial bevel gear, in the lower pump body upper chamber, radially be fixed with camshaft, the middle part of camshaft is provided with cam, is fixed with the radially bevel gear with axial bevel gear engagement on camshaft; Be provided with the plunger outer chamber in the middle pump housing, be provided with plunger in the plunger outer chamber, the bottom of plunger cooperates with the cam rotation, be provided with spring between plunger head and the plunger outer chamber top, along plunger axis after upwards be provided with the plunger cavity chamber, the indoor guiding valve that is provided with of plunger cavity, guiding valve pass spring, plunger outer chamber top successively, the guiding valve upper end portion connects barrier film, is respectively equipped with the oil drain valve and the oiling valve that are communicated with lower pump body upper chamber and plunger cavity chamber in the both sides of plunger outer chamber; The connecting part of the upper pump casing and the middle pump housing is shaped on the barrier film active chamber in advance, and barrier film radially is clamped in the transverse section of barrier film active chamber, is provided with draining valve between upper pump casing oil outlet and barrier film active chamber, is provided with oil sucting valve between the upper pump casing outside and the barrier film active chamber.
2. oil-submersible motor plunger type diaphragm pump according to claim 1 is characterized in that being provided with the plunger lining between the outer wall of described plunger and the middle pump housing inwall, and the plunger lining is provided with the catheter channel that connects with oil drain valve and oiling valve.
3. according to the described oil-submersible motor plunger type of claim l diaphragm pump, it is characterized in that described camshaft two ends and lower pump body connecting part are provided with bearing and bearing cap.
4. oil-submersible motor plunger type diaphragm pump according to claim 1 is characterized in that the connecting part of described transmission shaft and lower pump body is provided with stuffing box bearing.
5. oil-submersible motor plunger type diaphragm pump according to claim 1 is characterized in that the described middle pump housing is whole by the composition that is threaded with upper pump casing and lower pump body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120141114XU CN202040053U (en) | 2011-05-06 | 2011-05-06 | Plunger-type diaphragm pump for submersible motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120141114XU CN202040053U (en) | 2011-05-06 | 2011-05-06 | Plunger-type diaphragm pump for submersible motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202040053U true CN202040053U (en) | 2011-11-16 |
Family
ID=44967499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120141114XU Expired - Fee Related CN202040053U (en) | 2011-05-06 | 2011-05-06 | Plunger-type diaphragm pump for submersible motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202040053U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736329A (en) * | 2016-01-29 | 2016-07-06 | 上海飞舟博源石油装备技术有限公司 | Double-chamber alternate oil supply submersible electric diaphragm pump |
| CN109630385A (en) * | 2019-02-28 | 2019-04-16 | 浙江和京石油机械科技有限公司 | A kind of latent oil plunger electric pump |
-
2011
- 2011-05-06 CN CN201120141114XU patent/CN202040053U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736329A (en) * | 2016-01-29 | 2016-07-06 | 上海飞舟博源石油装备技术有限公司 | Double-chamber alternate oil supply submersible electric diaphragm pump |
| CN105736329B (en) * | 2016-01-29 | 2018-03-27 | 上海飞舟博源石油装备技术有限公司 | Double-chamber alternate oil supply submersible electric diaphragm pump |
| CN109630385A (en) * | 2019-02-28 | 2019-04-16 | 浙江和京石油机械科技有限公司 | A kind of latent oil plunger electric pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20140506 |