CN205201423U - Valve seat extractor - Google Patents
Valve seat extractor Download PDFInfo
- Publication number
- CN205201423U CN205201423U CN201521039614.7U CN201521039614U CN205201423U CN 205201423 U CN205201423 U CN 205201423U CN 201521039614 U CN201521039614 U CN 201521039614U CN 205201423 U CN205201423 U CN 205201423U
- Authority
- CN
- China
- Prior art keywords
- wire rope
- valve seat
- extractor
- pull head
- bearing pin
- 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 belongs to hydraulic pump maintenance of equipment field, specific theory relate to a valve seat extractor, especially are used for the valve seat extractor of oil field with the maintenance of hydraulic pressure profile control injector pump. Its mainly by lead screw, extractor nut, hydro -cylinder, draw the body, pull head, round pin axle, wire rope and manual pump to constitute, hydro -cylinder central authorities are equipped with the through -hole, the lifter of hydro -cylinder is located the periphery of through -hole, lead screw and extractor nut be with threaded connection, the lower extreme of lead screw with draw the body coupling, the pull head is installed on drawing the body through the round pin axle, the right -hand member at the pull head is connected to wire rope's one end, wire rope's the other end passes the left side that strip -shaped groove is located the device. The utility model has the advantages of: simple structure, convenient to use can save a large amount of manpowers and time, and processing is convenient, and low cost is fit for batch production.
Description
Technical field
The utility model belongs to hydraulic pump maintenance of equipment field, specifically, relates to a kind of valve seat extractor, in particular for the valve seat extractor that oil field is keeped in repair with hydraulic profile control injection pump.
Background technology
At present, the profile control implement that oil field is mainly applied is hydraulic profile control injection pump, and the fluid end of described hydraulic profile control injection pump is primarily of compositions such as clack box, piston, cylinder sleeve, valve body, valve seats.Due to the sewage that the solvent of profile control operation use is pipe network re-injection, the profile control agent used mostly is graininess, and hydraulic profile control injection pump operationally valve body and valve seat can carry out switch frequently, therefore valve body and valve seat are easily subject to the wearing and tearing of the particle such as impurity or profile control agent or press against wound, make the valve body in each cavity volume of hydraulic profile control injection pump and valve seat not to close timely or to open, have a strong impact on production efficiency.
Now just need to change valve seat timely, but owing to not having specific purpose tool, the taking-up of valve seat is very difficult.Service worker often uses the ironware such as hammer, steel pipe to knock valve seat, valve seat is ejected, this method not only wastes time and energy, also there is potential safety hazard, easy generation personal injury accident, and easily cause the damage of cavity volume, affect the service life of hydraulic profile control injection pump, even impact is normal produces.
Summary of the invention
The purpose of this utility model is to provide a kind of valve seat extractor for the maintenance of oil field hydraulic profile control injection pump, and valve seat can easily take out by it from cavity volume, saves manpower and time.
The technical scheme that the utility model technical solution problem adopts is: a kind of valve seat extractor, its primarily of screw mandrel, extractor nut, oil cylinder, draw body, pull head, bearing pin, steel wire rope and manual pump to form, described oil cylinder central authorities are provided with through hole, the diameter of through hole is more than or equal to the diameter of screw mandrel, the elevating lever of described oil cylinder is positioned at the periphery of through hole, the upper surface of described oil cylinder is provided with oil pipe installing port, described manual pump is connected with oil pipe installing port by oil pipe, and described screw mandrel and extractor nut are to be threaded;
The lower end of described screw mandrel is connected with drawing body, the described lower end of body of drawing is provided with strip groove, the lower end of body is drawn also bearing pin to be installed, described bearing pin is through strip groove, described pull head is arranged on by bearing pin and draws on body, described bearing pin is equal to the distance of strip groove upper surface with bearing pin to the distance of pull head right side, and one end of described steel wire rope is connected to the right-hand member of pull head, and the other end of steel wire rope is positioned at the left side of device through strip groove.
Preferably, described screw mandrel with draw body to be threaded.
Preferably, the described body that draws is provided with steel wire rope installing hole, and one end of described steel wire rope installing hole is positioned at the middle part of strip groove upper surface, and the other end of steel wire rope installing hole is positioned at the top of the left surface drawing body.
Preferably, described screw mandrel, the material of body, pull head and bearing pin is drawn to be stainless steel.
Preferably, the lower surface of described oil cylinder is provided with rubber blanket.
The utility model has the advantage of:
1, structure is simple, easy to use, can save a large amount of manpowers and time, effectively raise operating efficiency, reduce maintenance cost;
2, the utility model is a set of product, has the screw mandrel of different size, draws body and pull head, can select according to actual needs;
3, make simply, easy to process, with low cost, be applicable to batch production.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is described in further detail:
Fig. 1 is the structural representation of the utility model valve seat extractor;
In figure: 1, screw mandrel; 2, extractor nut; 3, oil cylinder; 4, body is drawn; 5, bearing pin; 6, pull head; 7, steel wire rope; 8, oil pipe installing port; 9, elevating lever.
Detailed description of the invention
Embodiment 1
As shown in Figure 1, a kind of valve seat extractor, its primarily of screw mandrel 1, extractor nut 2, oil cylinder 3, draw body 4, pull head 6, bearing pin 5, steel wire rope 7 and manual pump to form, described oil cylinder 3 central authorities are provided with through hole, the diameter of through hole 3 equals the diameter of screw mandrel 1, and the elevating lever 9 of described oil cylinder 3 is positioned at the periphery of through hole, and the upper surface of described oil cylinder 3 is provided with oil pipe installing port 8, described manual pump is connected with oil pipe installing port 8 by oil pipe, and described screw mandrel 1 and extractor nut 2 are to be threaded.
The lower end of described screw mandrel 1 is connected with drawing body 4 with screw thread, the described lower end of body 4 of drawing is provided with strip groove, draw the lower end of body 4 that bearing pin 5 is also installed, described bearing pin 5 is through strip groove, described pull head 6 is arranged on by bearing pin 5 and draws on body 4, described bearing pin 5 is equal to the distance of strip groove upper surface with bearing pin 5 to the distance of pull head 6 right side, one end of described steel wire rope 7 is connected to the right-hand member of pull head 6, the other end of steel wire rope 7 through the steel wire rope mounting hole site of drawing on body in the left side of device.One end of described steel wire rope installing hole is positioned at the middle part of strip groove upper surface, and the other end of steel wire rope installing hole is positioned at the top of the left surface drawing body 4.
Described screw mandrel 1, the material of body 4, pull head 6 and bearing pin 5 is drawn to be stainless steel.The lower surface of described oil cylinder 3 is provided with rubber blanket.
Embodiment 2
A kind of valve seat extractor, its primarily of screw mandrel 1, extractor nut 2, oil cylinder 3, draw body 4, pull head 6, bearing pin 5, steel wire rope 7 and manual pump to form, described oil cylinder 3 central authorities are provided with through hole, the diameter 4mm larger than the diameter of screw mandrel 1 of through hole 3, the elevating lever 9 of described oil cylinder 3 is positioned at the periphery of through hole, the upper surface of described oil cylinder 3 is provided with oil pipe installing port 8, and described manual pump is connected with oil pipe installing port 8 by oil pipe, and described screw mandrel 1 and extractor nut 2 are to be threaded.
The lower end of described screw mandrel 1 is connected with drawing body 4 with screw thread, the described lower end of body 4 of drawing is provided with strip groove, draw the lower end of body 4 that bearing pin 5 is also installed, described bearing pin 5 is through strip groove, described pull head 6 is arranged on by bearing pin 5 and draws on body 4, described bearing pin 5 is equal to the distance of strip groove upper surface with bearing pin 5 to the distance of pull head 6 right side, one end of described steel wire rope 7 is connected to the right-hand member of pull head 6, the other end of steel wire rope 7 through the steel wire rope mounting hole site of drawing on body in the left side of device.One end of described steel wire rope installing hole is positioned at the middle part of strip groove upper surface, and the other end of steel wire rope installing hole is positioned at the top of the left surface drawing body 4.
Described screw mandrel 1, the material of body 4, pull head 6 and bearing pin 5 is drawn to be stainless steel.The lower surface of described oil cylinder 3 is provided with rubber blanket.
Before application the utility model carries out valve seat taking-up operation, screw mandrel 1 should be selected according to actual needs, draw body 4 and pull head 6, should make to draw body 4 to pass valve seat endoporus, the length of pull head 6 is greater than valve seat diameter of bore, and the length of screw mandrel 1 is greater than the degree of depth of cavity volume.Then being arranged on by bearing pin 5 by pull head 6 draws on body 4, body 4 will be drawn to be connected with screw mandrel 1, by steel wire rope 7 through steel wire rope installing hole, steel wire rope 7 is pulled after installation, pull head 6 is closed at and draws in the strip groove of body 4, body 4 will be drawn to decontrol steel wire rope 7 through after valve seat endoporus, and pull head 6 can get back to original position under gravity, and now pull head 6 can not be extracted from valve seat endoporus.
Oil cylinder 3 and extractor nut 2 are arranged on screw mandrel 1 successively, after oil cylinder 3 is fixed, screw extractor nut 2, then use oil pipe to be connected with oil pipe installing port 8 by manual pump, press manual pump, elevating lever 9 on oil cylinder 3 is risen under hydraulic action, elevating lever 9 drives extractor nut 2 to rise, and extractor nut 2 drives screw mandrel 1 to rise, thus utilizes pull head 6 to drive valve seat to rise, finally related for whole device valve seat is taken out in the lump, complete the taking-up work of valve seat.
Structure of the present utility model is simple, easy to use, can save a large amount of manpowers and time, effectively raise operating efficiency, reduce maintenance cost, and the utility model makes simple, easy to process, with low cost, is applicable to batch production.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here cannot give exhaustive to all embodiments.Every belong to the technical solution of the utility model the apparent change of amplifying out or variation be still in the row of protection domain of the present utility model.
Claims (5)
1. a valve seat extractor, it is characterized in that: it is primarily of screw mandrel (1), extractor nut (2), oil cylinder (3), draw body (4), pull head (6), bearing pin (5), steel wire rope (7) and manual pump composition, described oil cylinder (3) central authorities are provided with through hole, the diameter of through hole is more than or equal to the diameter of screw mandrel (1), the elevating lever (9) of described oil cylinder (3) is positioned at the periphery of through hole, the upper surface of described oil cylinder (3) is provided with oil pipe installing port (8), described manual pump is connected with oil pipe installing port (8) by oil pipe, described screw mandrel (1) and extractor nut (2) are to be threaded,
The lower end of described screw mandrel (1) is connected with drawing body (4), the described lower end of body (4) of drawing is provided with strip groove, draw the lower end of body (4) that bearing pin (5) is also installed, described bearing pin (5) is through strip groove, described pull head (6) is arranged on by bearing pin (5) and draws on body (4), described bearing pin (5) is equal to the distance of strip groove upper surface with bearing pin (5) to the distance of pull head (6) right side, one end of described steel wire rope (7) is connected to the right-hand member of pull head (6), the other end of steel wire rope is positioned at the left side of device through strip groove.
2. valve seat extractor as claimed in claim 1, is characterized in that: described screw mandrel (1) with draw body (4) to be threaded.
3. valve seat extractor as claimed in claim 1, it is characterized in that: the described body (4) that draws is provided with steel wire rope installing hole, one end of described steel wire rope installing hole is positioned at the middle part of strip groove upper surface, and the other end of steel wire rope installing hole is positioned at the top of the left surface drawing body (4).
4. as the valve seat extractor in claims 1 to 3 as described in any one, it is characterized in that: described screw mandrel (1), draw the material of body (4), pull head (6) and bearing pin (5) to be stainless steel.
5. as the valve seat extractor in claims 1 to 3 as described in any one, it is characterized in that: the lower surface of described oil cylinder (3) is provided with rubber blanket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521039614.7U CN205201423U (en) | 2015-12-11 | 2015-12-11 | Valve seat extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521039614.7U CN205201423U (en) | 2015-12-11 | 2015-12-11 | Valve seat extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205201423U true CN205201423U (en) | 2016-05-04 |
Family
ID=55839163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521039614.7U Expired - Fee Related CN205201423U (en) | 2015-12-11 | 2015-12-11 | Valve seat extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205201423U (en) |
-
2015
- 2015-12-11 CN CN201521039614.7U patent/CN205201423U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20181211 |