CN207393446U - A kind of reducing plunger pump - Google Patents
A kind of reducing plunger pump Download PDFInfo
- Publication number
- CN207393446U CN207393446U CN201721320306.0U CN201721320306U CN207393446U CN 207393446 U CN207393446 U CN 207393446U CN 201721320306 U CN201721320306 U CN 201721320306U CN 207393446 U CN207393446 U CN 207393446U
- Authority
- CN
- China
- Prior art keywords
- rotation set
- pump barrel
- plunger
- reducing
- reducing ring
- 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.)
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Abstract
The utility model discloses a kind of reducing plunger pumps, and including plunger, the plunger end is equipped with the first band, the plunger at one end is arranged with lower pump barrel, the lower pump barrel inner cavity is equipped with sealing hemisphere, and described lower pump barrel one end is equipped with reducing ring, and the reducing ring includes upper rotation set.The utility model is by being equipped with reducing ring, upper rotation set, lower rotation set, garter springs, taper slideway and sliding pin, when center-pole moves, contining function is played using garter springs, upper rotation set and backspin are put on to be slided through the sliding pin bottom being equipped with along taper slide bottom, make the gap between reducing ring and upper pump barrel and lower pump barrel that variation be adjusted, change traditional simple and mechanical reducing ring for being designed as adjustable diameter, largely solves the drawbacks of rod collar non-directional eccentric wear pipe, by being equipped with valve ball, seal hemisphere, it is sealed and departs from using liquid stream promotion sealing hemisphere and valve ball, change the mode of conventional hermetic couple, improve practicability.
Description
Technical field
The utility model is related to mechanical pump field, more particularly to a kind of reducing plunger pump.
Background technology
Pump the oil well pump for the API standard for being all the U.S. used in rod-pumped well both at home and abroad at present.Reducing plunger pump has
Huge market potential, the API pumps of oil field at home account for more than 85%, and Oilfields accounting is much larger than the country.API standard is pumped
Pump is introduced into China's nearly more than 30 year, since the product is machine-pumped oil well indispensability, so producing the Market competition of the pump, produces
Quality is irregular.
By domestic and international pumping unit use find there are many drawbacks of：The orientation eccentric wear of such as plunger and pump barrel, oil pumping
The non-directional eccentric wear of bar box cupling and tubing wall, many drawbacks such as de- that plunger sand buries, sand card, roofbolt break.
Therefore, it is necessary to solve the above problems to invent a kind of reducing plunger pump.
Utility model content
The purpose of this utility model is to provide a kind of reducing plunger pump, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides following technical solution：A kind of reducing plunger pump, including plunger,
The plunger end is equipped with the first band, and the plunger at one end is arranged with lower pump barrel, and the lower pump barrel inner cavity is equipped with sealing half
Ball, described lower pump barrel one end are equipped with reducing ring, and the reducing ring includes upper rotation set, and the upper rotation set one side is equipped with lower rotation set, institute
It states rotation set and backspin puts on to run through and is equipped with sliding pin, the reducing ring both ends outer wall is embedded with tooth socket, the reducing ring
Both ends are arranged with garter springs, and the reducing ring inner cavity is equipped with center-pole, and the center-pole outer wall is embedded with taper slideway, institute
Center-pole one end is stated equipped with the second band, described reducing ring one end is equipped with upper pump barrel, is passed through on the upper pump barrel and lower pump barrel
Tooth form rest shoe is equipped with, the upper pump barrel one side is equipped with valve bonnet, and the valve bonnet inner cavity is equipped with valve ball, and described valve bonnet one end, which is equipped with, takes out
Beam hanger.
Preferably, the plunger end outer wall is equipped with screw thread, and the plunger is detachably connected by screw thread and lower pump barrel, institute
Sealing hemisphere is stated to be flexibly connected with lower pump barrel inner wall.
Preferably, the upper rotation set side wall fits with lower rotation set side wall, and the upper rotation set and lower rotation set composition are cylindric,
The upper rotation set and lower rotation set are flexibly connected by garter springs.
Preferably, pump barrel one side depth is less than upper pump barrel one side depth, the sliding pin and upper rotation under the taper slideway
Set and the flexible connection of lower rotation set, the sliding pin bottom fits with taper slideway bottom, is all provided in the center-pole and plunger
There is fluid course.
Preferably, the quantity of the tooth form rest shoe is arranged to multiple, and the tooth form rest shoe bottom fits with tooth socket bottom.
Preferably, the center-pole runs through upper pump barrel, and the center-pole is flexibly connected with reducing ring, the center boom end
Outer wall is equipped with screw thread, and the center-pole is detachably connected by screw thread and valve bonnet, and the valve ball is flexibly connected with valve bonnet inner wall.
The technique effect and advantage of the utility model：By being equipped with reducing ring, upper rotation set, lower rotation set, garter springs, taper
Slideway and sliding pin when center-pole moves, play contining function, upper rotation set and backspin, which are put on, runs through what is be equipped with using garter springs
Sliding pin bottom is slided along taper slide bottom, makes the gap between reducing ring and upper pump barrel and lower pump barrel that variation be adjusted,
Change traditional simple and mechanical reducing ring for being designed as adjustable diameter, largely solve rod collar non-directional eccentric wear pipe
The drawbacks of, by being equipped with valve ball, sealing hemisphere, it is sealed and departs from using liquid stream promotion sealing hemisphere and valve ball, change
The mode of conventional hermetic couple, improves practicability.
Description of the drawings
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is the utility model reducing ring reducing schematic diagram.
Fig. 3 is the utility model reducing ring schematic diagram.
Fig. 4 is the utility model sliding pin structure diagram.
Fig. 5 is the utility model garter springs schematic diagram.
Fig. 6 is the utility model center-pole schematic diagram.
Fig. 7 seals hemisphere schematic diagram for the utility model.
In figure：1 plunger, 2 first bands, 3 times pump barrels, 4 sealing hemisphere, 5 reducing rings, rotation set, 7 time rotation sets, 8 cunnings on 6
Dynamic pin, 9 tooth sockets, 10 garter springs, 11 center-poles, 12 taper slideways, 13 second bands, pump barrel on 14,15, tooth form rest shoe,
16 valve bonnets, 17 valve balls, 18 sucker rods.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
The utility model provides a kind of reducing plunger pump as shown in figs. 1-7, including plunger 1,1 end of plunger
Equipped with the first band 2, described 1 one end of plunger is arranged with lower pump barrel 3, and lower 3 inner cavity of pump barrel is equipped with sealing hemisphere 4, described
Lower 3 one end of pump barrel is equipped with reducing ring 5, and the reducing ring 5 includes upper rotation set 6, and upper 6 one side of rotation set is equipped with lower rotation set 7, described
Run through on upper rotation set 6 and lower rotation set 7 and be equipped with sliding pin 8, the 5 both ends outer wall of reducing ring is embedded with tooth socket 9, the reducing
5 both ends of ring are arranged with garter springs 10, and 5 inner cavity of reducing ring is equipped with center-pole 11, and 11 outer wall of center-pole is embedded with
Taper slideway 12, by being equipped with reducing ring 5, upper rotation set 6, lower rotation set 7, garter springs 10, taper slideway 12 and sliding pin 8, when
When center-pole 11 moves, contining function is played using garter springs 10, runs through 8 bottom of sliding pin being equipped on upper rotation set 6 and lower rotation set 7
End makes the gap between reducing ring 5 and upper pump barrel 14 and lower pump barrel 3 that variation be adjusted, changes along 12 basal sliding of taper slideway
Traditional simple and mechanical reducing ring 5 for being designed as adjustable diameter largely solves 18 box cupling non-directional eccentric wear of sucker rod
The drawbacks of pipe, described 11 one end of center-pole be equipped with the second band 13, described 5 one end of reducing ring be equipped with upper pump barrel 14, it is described on
Run through on pump barrel 14 and lower pump barrel 3 and be equipped with tooth form rest shoe 15, upper 14 one side of pump barrel is equipped with valve bonnet 16, in the valve bonnet 16
Chamber is equipped with valve ball 17, and described 16 one end of valve bonnet is equipped with sucker rod 18.
The 1 end outer wall of plunger is equipped with screw thread, and the plunger 1 is detachably connected by screw thread and lower pump barrel 3, described close
Envelope hemisphere 4 is flexibly connected with lower 3 inner wall of pump barrel, and upper 6 side wall of rotation set fits with lower 7 side wall of rotation set, upper 6 He of rotation set
Lower rotation set 7 forms cylindrical shape, and the upper rotation set 6 and lower rotation set 7 are flexibly connected by garter springs 10, under the taper slideway 12
3 one side depth of pump barrel is less than upper 14 one side depth of pump barrel, and the sliding pin 8 is flexibly connected with upper rotation set 6 and lower rotation set 7, described
8 bottom of sliding pin fits with 12 bottom of taper slideway, and fluid course, the tooth are equipped in the center-pole 11 and plunger 1
The quantity of shape rest shoe 15 is arranged to multiple, and 15 bottom of tooth form rest shoe fits with 9 bottom of tooth socket, and the center-pole 11 runs through
Upper pump barrel 14, the center-pole 11 are flexibly connected with reducing ring 5, and the 11 end outer wall of center-pole is equipped with screw thread, the center
Bar 11 is detachably connected by screw thread and valve bonnet 16, and the valve ball 17 is flexibly connected with 16 inner wall of valve bonnet, by be equipped with valve ball 17,
Hemisphere 4 is sealed, is sealed and departs from using liquid stream promotion sealing hemisphere 4 and valve ball 17, change the side of conventional hermetic couple
Formula improves practicability.
Utility model works principle：During work, pumping unit work, 11 uplink of plunger 1 and center-pole becomes through on ring 5
Tooth socket 9 on the lower rotation set 7 of the engagement of tooth form rest shoe 15, makes reducing ring 5 rotate an angle, while the taper slideway on center-pole 11
12 cunnings of sliding pins 8 propped up on reducing ring 5 screw on row, make 5 spreading of reducing ring, i.e., 5 outer diameter of reducing ring become larger with upper pump barrel 14 and
Lower 3 inner wall of pump barrel is made kiss and is connect, while second band 13 of the valve ball 17 when the intracavitary of valve bonnet 16 falls and on center-pole 11 is close
Envelope, stoste is promoted, when center-pole 11 is under the drive of sucker rod 18, the tooth on the tooth form rest shoe 15 of upper rotation set 6 and lower rotation set 7
Shape rest shoe 15, which engages, rotates an angle, and the sliding pin 8 on reducing ring 5 glides along the taper slideway 12 on center-pole 11, makes
5 outer diameter of reducing ring becomes smaller, and largely solves the drawbacks of 18 box cupling non-directional eccentric wear pipe of sucker rod, garter springs 10 rise tightly
The effect of reducing ring 5 is bound round, it carries out lock ring to reducing ring 5 always in the operation of 1 up-down stroke of plunger.
Finally it should be noted that：The above is only the preferred embodiment of the utility model only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical solution recorded in foregoing embodiments or to which part technical characteristic
Equivalent substitution is carried out, within the spirit and principle of the utility model, any modifications, equivalent replacements and improvements are made,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of reducing plunger pump, including plunger（1）, it is characterised in that：The plunger（1）End is equipped with the first band
（2）, the plunger（1）One end is arranged with lower pump barrel（3）, the lower pump barrel（3）Inner cavity is equipped with sealing hemisphere（4）, the lower pump
Cylinder（3）One end is equipped with reducing ring（5）, the reducing ring（5）Including upper rotation set（6）, the upper rotation set（6）One side is equipped with lower rotation set
（7）, the upper rotation set（6）With lower rotation set（7）On run through be equipped with sliding pin（8）, the reducing ring（5）Both ends outer wall is embedded
There is tooth socket（9）, the reducing ring（5）Both ends are arranged with garter springs（10）, the reducing ring（5）Inner cavity is equipped with center-pole
（11）, the center-pole（11）Outer wall is embedded with taper slideway（12）, the center-pole（11）One end is equipped with the second band
（13）, the reducing ring（5）One end is equipped with upper pump barrel（14）, the upper pump barrel（14）With lower pump barrel（3）On run through be equipped with tooth
Shape rest shoe（15）, the upper pump barrel（14）One side is equipped with valve bonnet（16）, the valve bonnet（16）Inner cavity is equipped with valve ball（17）, the valve
Cover（16）One end is equipped with sucker rod（18）.
2. a kind of reducing plunger pump according to claim 1, it is characterised in that：The plunger（1）End outer wall is equipped with
Screw thread, the plunger（1）Pass through screw thread and lower pump barrel（3）It is detachably connected, the sealing hemisphere（4）With lower pump barrel（3）Inner wall
Flexible connection.
3. a kind of reducing plunger pump according to claim 1, it is characterised in that：The upper rotation set（6）Side wall and backspin
Set（7）Side wall fits, the upper rotation set（6）With lower rotation set（7）Composition is cylindric, the upper rotation set（6）With lower rotation set（7）It is logical
Cross garter springs（10）Flexible connection.
4. a kind of reducing plunger pump according to claim 1, it is characterised in that：The taper slideway（12）Lower pump barrel
（3）One side depth is less than upper pump barrel（14）One side depth, the sliding pin（8）With upper rotation set（6）With lower rotation set（7）Activity is even
It connects, the sliding pin（8）Bottom and taper slideway（12）Bottom fits, the center-pole（11）And plunger（1）Inside it is equipped with
Fluid course.
5. a kind of reducing plunger pump according to claim 1, it is characterised in that：The tooth form rest shoe（15）Quantity set
It is set to multiple, the tooth form rest shoe（15）Bottom and tooth socket（9）Bottom fits.
6. a kind of reducing plunger pump according to claim 1, it is characterised in that：The center-pole（11）Through upper pump barrel
（14）, the center-pole（11）With reducing ring（5）Flexible connection, the center-pole（11）End outer wall is equipped with screw thread, in described
Core bar（11）Pass through screw thread and valve bonnet（16）It is detachably connected, the valve ball（17）With valve bonnet（16）Inner wall is flexibly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721320306.0U CN207393446U (en) | 2017-10-13 | 2017-10-13 | A kind of reducing plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721320306.0U CN207393446U (en) | 2017-10-13 | 2017-10-13 | A kind of reducing plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207393446U true CN207393446U (en) | 2018-05-22 |
Family
ID=62332149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721320306.0U Expired - Fee Related CN207393446U (en) | 2017-10-13 | 2017-10-13 | A kind of reducing plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207393446U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701409A (en) * | 2017-10-13 | 2018-02-16 | 罗瑾晶 | A kind of reducing plunger pump and application method |
-
2017
- 2017-10-13 CN CN201721320306.0U patent/CN207393446U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701409A (en) * | 2017-10-13 | 2018-02-16 | 罗瑾晶 | A kind of reducing plunger pump and application method |
| CN107701409B (en) * | 2017-10-13 | 2023-11-10 | 山东三江能源科技有限公司 | Variable diameter plunger pump and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180522 Termination date: 20181013 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |