CN203685534U - Cylinder-free plunger pump - Google Patents
Cylinder-free plunger pump Download PDFInfo
- Publication number
- CN203685534U CN203685534U CN201320773257.1U CN201320773257U CN203685534U CN 203685534 U CN203685534 U CN 203685534U CN 201320773257 U CN201320773257 U CN 201320773257U CN 203685534 U CN203685534 U CN 203685534U
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- CN
- China
- Prior art keywords
- upper connection
- mechanical sealing
- sealing device
- lower contact
- connector
- 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
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Abstract
The utility model discloses a cylinder-free plunger pump. The plunger pump comprises an upper connector and a lower connector, wherein the upper connector is connected with the lower connector in a clamping manner; a mechanical sealer is arranged between the upper connector and the lower connector, and is connected with the upper connector and the lower connector in a sliding manner through embedded bearings respectively; sealing devices are both arranged on the upper connector and the lower connector, and adopt a water-proof structure; intermediate pipes are both arranged at the middle parts of the upper connector and the lower connector; the intermediate pipes are fixedly connected with the upper connector and the lower connector; a compressing device is arranged on the side surface of the intermediate pipe on the upper connector, and is protruded on the outer side of the intermediate pipe; an outer pump cylinder is arranged on the mechanical sealer; two ends of the outer pump cylinder are arranged on the inner walls of the mechanical sealer in an embedded manner; oil ring devices are both arranged on the inner walls of two sides of the mechanical sealer. The plunger pump is high in operating efficiency, favorable in leak tightness, less prone to being worn out, high in practicability and broad in application range, has the characteristic of anti-clogging, greatly prolongs the service life, and can regulate the displacement capacity according to on-site situations.
Description
Technical field
The utility model relates to a kind of pump body structure, and special design one is without cylinder plunger pump.
Background technique
In oil extraction in oil field field, generally adopt plunger to take out ice pump and recover the oil.Existing plunger oil-well pump is driven by polished rod by pumping unit, but due to reasons in structure, to exist pump efficiency low, easy to wear, the problem that life-span is short and processing cost is high, affect oil well recovery rate, mostly be axial plunger structure simultaneously, and mainly contain tandem double pump and two kinds of structures of parallel double pump, these two kinds of structural compactness and all extreme differences of reliability.And owing to installing and the existence of accuracy of manufacturing, the synchronism of these two kinds of structures all can not obtain good assurance.
Model utility content
The technical problems to be solved in the utility model is: overcome the problems referred to above, provide a kind of working efficiency high, sealing is good, and has anticlogging feature, simultaneously nonabradable without cylinder plunger pump.
To achieve these goals, the technical solution adopted in the utility model is such: of the present utility model without cylinder plunger pump, comprise upper connection and lower contact, between upper connection and lower contact, adopt clamping, between upper connection and lower contact, be provided with mechanical sealing device, mechanical sealing device is slidably connected with upper connection and lower contact respectively by embedded bearing, in upper connection and lower contact, be equipped with seal arrangement, seal arrangement adopts waterproof construction, upper connection and lower contact middle part are equipped with intervalve, between intervalve and upper connection and lower contact, adopt and be fixedly connected with, intervalve side in upper connection is provided with compression set, compression set protrudes in intervalve outside, mechanical sealing device is provided with outer pump barrel, outer pump barrel two ends embed and are arranged on mechanical sealing device inwall, on the inwall of mechanical sealing device both sides, be equipped with oil ring device, between two oil ring device and mechanical sealing device, be connected by bearing pin, between two oil ring device, be provided with oil distributing pipe, oil distributing pipe has scalability, between two oil ring device and outer pump barrel, be connected with reducer fitting, two oil ring device all have the hole of mating with reducer fitting with on outer pump barrel, reducer fitting is two, and be vertical setting, between two reducer fittings, be connected with interior pump barrel, more than one of interior pump barrel.
Further, as a kind of concrete structural type, mechanical sealing device inwall described in the utility model is provided with eccentric groove, and embedded bearing is positioned at eccentric groove, all more than one of embedded bearing and eccentric groove, and corresponding setting.
Further, as a kind of concrete structural type, eccentric groove described in the utility model departs from mechanical sealing device central axis 0.2-0.3 millimeter.
Compared with prior art, the utility model has the advantage of: of the present utility model high without cylinder plunger pump working efficiency, sealing is good, and there is anticlogging feature, simultaneously not easy to wear, significantly extend working life, can adjust displacement size according to field condition, practical, applied widely.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model;
In figure: 1. upper connection, 2. mechanical sealing device, 3. intervalve, 4. seal arrangement, 5. compression set, 6. outer pump barrel, 7. reducer fitting, 8. interior pump barrel, 9. oil ring device, 10. oil distributing pipe, 11. lower contacts.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, and basic structure of the present utility model is only described in a schematic way, and therefore it only shows the formation relevant with the utility model.
The utility model is as shown in Figure 1 without the preferred embodiment of cylinder plunger pump, comprise upper connection 1 and lower contact 11, between upper connection 1 and lower contact 11, adopt clamping, between upper connection 1 and lower contact 11, be provided with mechanical sealing device 2, mechanical sealing device 2 is slidably connected with upper connection 1 and lower contact 11 respectively by embedded bearing, in upper connection 1 and lower contact 11, be equipped with seal arrangement 4, seal arrangement 4 adopts waterproof construction, upper connection 1 and lower contact 11 middle parts are equipped with intervalve 3, between intervalve 3 and upper connection 1 and lower contact 11, adopt and be fixedly connected with, intervalve 3 sides in upper connection 1 are provided with compression set 5, compression set 5 protrudes in intervalve 3 outsides, mechanical sealing device 2 is provided with outer pump barrel 6, outer pump barrel 6 two ends embed and are arranged on mechanical sealing device 2 inwalls, on mechanical sealing device 2 both sides inwalls, be equipped with oil ring device 9, between two oil ring device 9 and mechanical sealing device 2, be connected by bearing pin, between two oil ring device 9, be provided with oil distributing pipe 10, oil distributing pipe 10 has scalability, between two oil ring device 9 and outer pump barrel 6, be connected with reducer fitting 7, two oil ring device 9 all have the hole of mating with reducer fitting 7 with on outer pump barrel 6, reducer fitting 7 is two, and be vertical setting, between two reducer fittings 7, be connected with interior pump barrel 8, more than one of interior pump barrel 8, described mechanical sealing device 2 inwalls are provided with eccentric groove, embedded bearing is positioned at eccentric groove, all more than one of embedded bearing and eccentric groove, and corresponding setting, described eccentric groove departs from mechanical sealing device 2 central axis 0.2-0.3 millimeters.
Of the present utility model high without cylinder plunger pump working efficiency, sealing is good, and there is anticlogging feature, simultaneously not easy to wear, significantly extend working life, can adjust displacement size according to field condition, practical, applied widely, mechanical sealing device 2 inwalls are provided with eccentric groove, and embedded bearing is positioned at eccentric groove, all more than one of embedded bearing and eccentric groove, and corresponding setting, described eccentric groove departs from mechanical sealing device 2 central axis 0.2-0.3 millimeters, can better the work of driving mechanical sealer in the time of work.
Take above-mentioned foundation desirable embodiment of the present utility model as enlightenment, by above-mentioned description, relevant staff can, not departing from the scope of this model utility technological thought, carry out various change and modification completely.The technical scope of this model utility is not limited to the content on specification, must determine its technical scope according to claim scope.
Claims (3)
1. one kind without cylinder plunger pump, comprise upper connection and lower contact, it is characterized in that: between upper connection and lower contact, adopt clamping, between upper connection and lower contact, be provided with mechanical sealing device, mechanical sealing device is slidably connected with upper connection and lower contact respectively by embedded bearing, in upper connection and lower contact, be equipped with seal arrangement, seal arrangement adopts waterproof construction, upper connection and lower contact middle part are equipped with intervalve, between intervalve and upper connection and lower contact, adopt and be fixedly connected with, intervalve side in upper connection is provided with compression set, compression set protrudes in intervalve outside, mechanical sealing device is provided with outer pump barrel, outer pump barrel two ends embed and are arranged on mechanical sealing device inwall, on the inwall of mechanical sealing device both sides, be equipped with oil ring device, between two oil ring device and mechanical sealing device, be connected by bearing pin, between two oil ring device, be provided with oil distributing pipe, oil distributing pipe has scalability, between two oil ring device and outer pump barrel, be connected with reducer fitting, two oil ring device all have the hole of mating with reducer fitting with on outer pump barrel, reducer fitting is two, and be vertical setting, between two reducer fittings, be connected with interior pump barrel, more than one of interior pump barrel.
2. according to claim 1 without cylinder plunger pump, it is characterized in that: described mechanical sealing device inwall is provided with eccentric groove, and embedded bearing is positioned at eccentric groove all more than one of embedded bearing and eccentric groove, and corresponding setting.
3. state according to claim 2 without cylinder plunger pump, it is characterized in that: described eccentric groove departs from mechanical sealing device central axis 0.2-0.3 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320773257.1U CN203685534U (en) | 2013-12-02 | 2013-12-02 | Cylinder-free plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320773257.1U CN203685534U (en) | 2013-12-02 | 2013-12-02 | Cylinder-free plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203685534U true CN203685534U (en) | 2014-07-02 |
Family
ID=51007442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320773257.1U Expired - Fee Related CN203685534U (en) | 2013-12-02 | 2013-12-02 | Cylinder-free plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203685534U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110366A (en) * | 2013-12-02 | 2014-10-22 | 成都绿迪科技有限公司 | Plunger pump without cylinders |
-
2013
- 2013-12-02 CN CN201320773257.1U patent/CN203685534U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110366A (en) * | 2013-12-02 | 2014-10-22 | 成都绿迪科技有限公司 | Plunger pump without cylinders |
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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 |
Granted publication date: 20140702 Termination date: 20141202 |
|
| EXPY | Termination of patent right or utility model |