CN206972492U - A kind of oil drilling pump device - Google Patents
A kind of oil drilling pump device Download PDFInfo
- Publication number
- CN206972492U CN206972492U CN201720469490.9U CN201720469490U CN206972492U CN 206972492 U CN206972492 U CN 206972492U CN 201720469490 U CN201720469490 U CN 201720469490U CN 206972492 U CN206972492 U CN 206972492U
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- annulus
- sleeve pipe
- piston
- piston rod
- screw thread
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Abstract
The utility model discloses a kind of oil drilling pump device, including piston rod, piston rubber and more than one damping device, the outer ring face of the piston rod middle is provided with one first screw thread, on piston rod one first annulus and the second annulus are cased with the first screw thread, first annulus inner ring surface is provided with one second screw thread, first annulus engages connection by the second screw thread with the first screw thread, the inner ring surface of second annulus and the outer ring face of piston rod are welded and fixed, it is be arranged in parallel between first annulus and the second annulus, and it is provided with a certain distance, piston rod is cased with sleeve between the first annulus and the second annulus, right flank on the left of sleeve pipe with the first annulus is welded and fixed.The utility model is simple in construction, it is easy to use, the fixed piston rubber by way of pressing, facilitate the installation and removal of piston rubber, and piston rubber can be effectively avoided greatly to add the service life of piston rubber because compression is lost and caused by by damping device.
Description
Technical field
It the utility model is related to a kind of oil drilling pump device.
Background technology
For now widely used drilling pump, its piston component continues to use traditions of the past always, and piston glue therein
Skin makes breakable member, needs frequent replacing in use at the scene, is additionally, since the defects of design so that in renewal part,
Professional tool is needed to use to be dismantled and assembled so that the trouble of dismounting and assembling excessively, and scene is general all without special
Industry instrument, so as to which the speed of replacing greatly reduce.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of simple in construction, easy to use, dismounting and assembling letter
It is single, also mitigate piston rubber because compression and caused by damage, considerably increase the oil drilling pump of piston rubber service life
Use device.
The utility model is achieved through the following technical solutions：A kind of oil drilling pump device, including piston rod,
Piston rubber and more than one damping device, the outer ring face of the piston rod middle are provided with one first screw thread, piston rod
Upper to be cased with one first annulus and the second annulus at the first screw thread, the first annulus inner ring surface is provided with one second screw thread, and first
Annulus engages connection with the first screw thread by the second screw thread, and the inner ring surface of the second annulus and the outer ring face of piston rod are welded and fixed,
It is be arranged in parallel between first annulus and the second annulus, and is provided with a certain distance, piston rod is located at the first annulus and the second annulus
Between be cased with sleeve, be welded and fixed on the left of sleeve pipe with the right flank of the first annulus, the inner ring face of sleeve pipe is provided with one the 3rd spiral shell
Silk, sleeve pipe engage connection with the first screw of piston rod by the 3rd screw, and sleeve pipe right side and the left surface of the second annulus offset.
As preferable technical scheme, piston rubber is placed on described sleeve pipe, the inner ring face of piston rubber and sleeve pipe
A certain distance is provided between the face of outer ring, more than one damping device may be contained between piston rubber and sleeve pipe, damping dress
Put by more than one spring and pressing plate composition, the curved structure setting in upper surface of pressing plate, the arc of pressing plate upper end
Face is offseted with the inner ring face of piston rubber, and spring one end is fixedly installed on pressing plate bottom surface, and the other end is outer with sleeve pipe
Circle face is fixedly connected.
As preferable technical scheme, the circle of annular sleeve one is provided with more than one first screw on the edge on the right side of sleeve pipe
Hole, the second annulus, which is right against at the first screw hole, is equipped with one second screw hole, and a fixing bolt is equipped with the second screw hole,
Fixing bolt one end both passes through the second screw hole, extends in the first corresponding screw hole, and engage company with the first screw hole
Connect.
As preferable technical scheme, the diameter of the first, first annulus is respectively less than the diameter of piston rubber.
The beneficial effects of the utility model are：The utility model is simple in construction, easy to use, is fixed by way of pressing
Piston rubber, the installation and removal of piston rubber are facilitated, and piston rubber can effectively be avoided because compressing by damping device
Loss caused by and, greatly add the service life of piston rubber.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the partial sectional view at A-A in Fig. 1.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply and be signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
New limitation.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " setting " should be interpreted broadly, for example, it may be being fixedly linked, setting or being detachably connected, set
Put, or be integrally connected, set.For the ordinary skill in the art, it can understand that above-mentioned term exists with concrete condition
Concrete meaning in the utility model.
As depicted in figs. 1 and 2, a kind of oil drilling pump device of the present utility model, including piston rod 10, piston rubber
5 and more than one damping device, the outer ring face of the middle of piston rod 10 be provided with one first screw thread, piston rod 10 is upper
One first annulus 1 and the second annulus 6 are cased with the first screw thread, the inner ring surface of the first annulus 1 is provided with one second screw thread, the first circle
Ring 1 engages connection with the first screw thread by the second screw thread, and the inner ring surface of the second annulus 6 is welded and fixed with the outer ring face of piston rod 1,
It is be arranged in parallel between first annulus 1 and the second annulus 6, and is provided with a certain distance, piston rod 10 is located at the first annulus 1 and second
Sleeve 2 is cased between annulus 6, the left side of sleeve pipe 2 and the right flank of the first annulus 1 are welded and fixed, and the inner ring face of sleeve pipe 2 is provided with
One the 3rd screw, sleeve pipe 2 engage connection, the right side of sleeve pipe 2 and the second annulus 6 with the first screw of piston rod 10 by the 3rd screw
Left surface offset.
In the present embodiment, piston rubber 5 is placed on described sleeve pipe 2, the inner ring face of piston rubber 5 and the outer ring of sleeve pipe 2
A certain distance is provided between face, more than one damping device may be contained between piston rubber 5 and sleeve pipe 2, damping device
Formed by the more than one pressing plate 4 of spring 3 and one, the curved structure setting in upper surface of pressing plate 4, the arc of the upper end of pressing plate 4
Shape face is offseted with the inner ring face of piston rubber 5, and the one end of spring 4 is fixedly installed on the bottom surface of pressing plate 4, and the other end is and sleeve pipe
2 outer ring face is fixedly connected.
In the present embodiment, the circle of annular sleeve 2 one is provided with more than one first screw hole 9 on the edge on the right side of sleeve pipe 2, the
Two annulus 6, which are right against at the first screw hole 9, is equipped with one second screw hole 7, and a fixing bolt 8 is equipped with the second screw hole 7,
The one end of fixing bolt 8 both passes through the second screw hole 7, extends in the first corresponding screw hole 9, and is nibbled with the first screw hole 9
Close connection.
In the present embodiment, the diameter of the first, first annulus 1,6 is respectively less than the diameter of piston rubber 5.
Operation principle：By piston rubber sleeve on the piston rod first, and piston rubber is made to be offseted with the first annulus, after the completion of,
It is screwed to by the first annulus and with the sleeve pipe that the first annulus is connected to from left to right on piston rod, until making sleeve pipe and the second annulus phase
Support, after offseting, be connected sleeve pipe with the second annulus by fixing bolt, wherein, during turning, piston rubber need to be ajusted
Position, enable inside the insertion piston rubber of sleeve pipe just so that pressing plate on the face of sleeve pipe outer ring can with piston rubber
Circle face is offseted, and after piston rubber is by the extruding of external force, the power of extruding can be effectively reduced by the spring on pressing plate bottom surface
Degree.
The beneficial effects of the utility model are：The utility model is simple in construction, easy to use, is fixed by way of pressing
Piston rubber, the installation and removal of piston rubber are facilitated, and piston rubber can effectively be avoided because compressing by damping device
Loss caused by and, greatly add the service life of piston rubber.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any change or replacement expected without creative work, should all cover within the scope of protection of the utility model.
Therefore, the scope of protection of the utility model should be determined by the scope of protection defined in the claims.
Claims (4)
- A kind of 1. oil drilling pump device, it is characterised in that：Filled including piston rod, piston rubber and more than one damping Put, the outer ring face of the piston rod middle is provided with one first screw thread, and one first is cased with the first screw thread on piston rod Annulus and the second annulus, the first annulus inner ring surface are provided with one second screw thread, and the first annulus passes through the second screw thread and the first screw thread Engagement connection, the inner ring surface of the second annulus and the outer ring face of piston rod are welded and fixed, parallel between the first annulus and the second annulus Set, and be provided with a certain distance, piston rod is cased with sleeve positioned at the first annulus and the second annulus between, sleeve pipe left side and the The right flank of one annulus is welded and fixed, and the inner ring face of sleeve pipe is provided with one the 3rd screw, and sleeve pipe passes through the 3rd screw and piston rod The engagement connection of the first screw, offseted with the left surface of the second annulus on the right side of sleeve pipe.
- 2. oil drilling pump device according to claim 1, it is characterised in that：Piston rubber is placed on described sleeve pipe On, a certain distance is provided between the inner ring face of piston rubber and the outer ring face of sleeve pipe, more than one damping device is respectively provided with Between piston rubber and sleeve pipe, damping device forms by more than one spring and a pressing plate, and the upper surface of pressing plate is in Arcuate structure is set, and the inner ring face of the arcwall face of pressing plate upper end with piston rubber offsets, and spring one end is fixedly installed in pressure On plate bottom surface, the other end is fixedly connected with the outer ring face of sleeve pipe.
- 3. oil drilling pump device according to claim 1, it is characterised in that：Annular sleeve on edge on the right side of sleeve pipe One circle is provided with more than one first screw hole, and the second annulus, which is right against at the first screw hole, is equipped with one second screw hole, the A fixing bolt is equipped with two-screw hole, fixing bolt one end both passes through the second screw hole, extends to the first corresponding spiral shell In silk hole, and connection is engaged with the first screw hole.
- 4. oil drilling pump device according to claim 1, it is characterised in that：Firstth, the diameter of the first annulus is small In the diameter of piston rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720469490.9U CN206972492U (en) | 2017-04-23 | 2017-04-23 | A kind of oil drilling pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720469490.9U CN206972492U (en) | 2017-04-23 | 2017-04-23 | A kind of oil drilling pump device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206972492U true CN206972492U (en) | 2018-02-06 |
Family
ID=61412644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720469490.9U Active CN206972492U (en) | 2017-04-23 | 2017-04-23 | A kind of oil drilling pump device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206972492U (en) |
-
2017
- 2017-04-23 CN CN201720469490.9U patent/CN206972492U/en active Active
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