CN205714731U - Portable dismantling type mud piston - Google Patents
Portable dismantling type mud piston Download PDFInfo
- Publication number
- CN205714731U CN205714731U CN201620401846.0U CN201620401846U CN205714731U CN 205714731 U CN205714731 U CN 205714731U CN 201620401846 U CN201620401846 U CN 201620401846U CN 205714731 U CN205714731 U CN 205714731U
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- CN
- China
- Prior art keywords
- piston
- mud
- piston head
- ring
- hold
- 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.)
- Withdrawn - After Issue
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
This utility model provides a kind of Portable dismantling type mud piston, and it includes piston rod, piston head and black box；Piston head is enclosed within the outer wall of piston rod；Black box includes cartridge, hold-down ring and mud-scraping ring；Hold-down ring and mud-scraping ring are socketed in the outside of piston head respectively and form receiving space between hold-down ring and mud-scraping ring, and cartridge is enclosed within piston head outside and is positioned at described receiving space；Also have dismounting screw on piston head, described dismounting screw to offer direction parallel with mud-scraping ring axis direction.The sealing property that not only ensure that piston is set up in the cooperation of piston rod described in the utility model, piston head and black box, the setting up position and coordinate with the dismounting screwhole position offered on piston head of all parts being simultaneously included in black box, and then demolition part can be screwed in by this dismounting screw and black box is rapidly separated piston head, reduce the take-down time.
Description
Technical field
This utility model belongs to drilling prospection field, especially relates to a kind of Portable dismantling type mud piston.
Background technology
At present, drilling mud pump piston is required to change cartridge after a certain period of use time.And in use,
Packing element is extruded repeatedly, and it with matched in clearance in time installing or slight interference amount, becomes interference and join with piston head fit form
Close.Cause changing during packing element the most not square, considerably increase replacing construction.Especially with vulcanite technique piston with greater need for
Integral replacing piston assembly, causes the substantial increase of cost.Additionally, after pot type piston cartridge uses a period of time, by
Well can not contact with cylinder sleeve in surface abrasion, lose sealing effectiveness.
Summary of the invention
In view of this, this utility model is directed to a kind of Portable dismantling type mud piston, effectively contracts changing piston
The problem of short piston replacing construction.
For reaching above-mentioned purpose, the technical solution of the utility model is achieved in that
Portable dismantling type mud piston, it includes piston rod, piston head and black box；
Described piston head is enclosed within the outer wall of piston rod；
Described black box includes cartridge, hold-down ring and mud-scraping ring；
Described hold-down ring and mud-scraping ring are socketed in the outside of piston head respectively and form receiving between hold-down ring and mud-scraping ring
Space, described cartridge is enclosed within piston head outside and is positioned at described receiving space；
Having fastener hole on described hold-down ring end face, be provided with spring in described fastener hole, described spring is by a compression
Part is compressed on interior and this spring the one end of described fastener hole and abuts with at the bottom of the hole of fastener hole；
Also having dismounting screw on described piston head, the direction of offering of described dismounting screw is put down with mud-scraping ring axis direction
OK.
Further, also include the end cap being enclosed within outside piston rod, described end cap has the location connected with fastener hole
Screwed hole, in described compressing member screws in described positioning spiro pit and fixes end cap with the relative position of hold-down ring.
Further, described cartridge includes fastening step, and the leave from office terrace of described fastening step is inclined-plane and institute
Stating leave from office terrace to be gradually reduced from inside to outside to the distance of terrace of appearing on the stage, the lower end of described hold-down ring includes positioning convex, institute
State positioning convex to have and the inclined-plane, location of leave from office terrace laminating.
Further, described fastener hole is opened as in described positioning convex by the end face of hold-down ring.
Further, described mud-scraping ring is provided with the limited impression caved inward in the end corresponding with hold-down ring, described
Cartridge includes the spacing preiection matched with limited impression, and described spacing preiection is placed in limited impression.
Further, described piston head includes abutting step, and described abutting step abuts with described mud-scraping ring, described supports
Connect and on the step surface of step, have described dismounting screw.
Further, outside described piston head, be also cased with Support tray, described support plate mat described mud-scraping ring with abut platform
Between rank.
Further, described dismounting screw screwing in regulation screw, described regulation screw abuts with described Support tray.
Further, the bottom of described piston rod is stretched out and is screwed in nut on the outside of piston head and piston rod bottom, described
Nut is connected on described end cap.
Further, described cartridge and described piston head interference fit.
Further, described compressing member can be housing screw.
Relative to prior art, Portable dismantling type mud piston described in the utility model has the advantage that
The sealing that not only ensure that piston is set up in the cooperation of piston rod described in the utility model, piston head and black box
Performance, the dismounting screwhole position offered on position and piston head of setting up of all parts being simultaneously included in black box is joined
Close, and then demolition part can be screwed in by this dismounting screw and black box is rapidly separated piston head, reduce the take-down time.
Accompanying drawing explanation
The accompanying drawing constituting a part of the present utility model is further appreciated by of the present utility model for providing, and this practicality is new
The schematic description and description of type is used for explaining this utility model, is not intended that improper restriction of the present utility model.?
In accompanying drawing:
Fig. 1 is the Portable dismantling type mud piston overall structure schematic diagram described in this utility model embodiment；
Fig. 2 be the Portable dismantling type mud piston described in this utility model embodiment method for dismounting in the peace of removal rod
Dress schematic diagram.
Description of reference numerals:
1-piston rod；2-the first sealing member；3-the first back-up ring；4-regulates screw；5-piston head；Compression plate under 6-；Under 7-
Mud-scraping ring；8-cartridge；The upper mud-scraping ring of 9-；10-spring；11-compressing member；12-the second back-up ring；13-end cap；14-second is close
Sealing；15-sealing ring；16-nut；The spacing back-up ring of 17-；18-limited impression；19-leave from office terrace；20-spacing preiection；21-supports
Connect step；22-dismantles screw；23-positions inclined-plane；24-positioning spiro pit；25-appears on the stage terrace；26-removal rod.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in this utility model and the feature in embodiment can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " on ", D score,
Orientation or the position relationship of the instruction such as "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description rather than instruction
Hint indication device or element must have specific orientation, with specific azimuth configuration and operation, be not understood that
For to restriction of the present utility model.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicate
Or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately
Being described, " multiple " are meant that two or more.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly
Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on can being understood by concrete condition
State term concrete meaning in this utility model.
Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As it is shown in figure 1, Portable dismantling type mud piston, it includes piston rod 1, piston head 5 and black box；
Described piston head 5 is enclosed within the outer wall of piston rod 1；
Described black box includes cartridge 8, hold-down ring 9 and mud-scraping ring 7；
Described hold-down ring 9 and mud-scraping ring 7 are socketed in the outside of piston head 5 respectively and are formed between hold-down ring 9 and mud-scraping ring 7
Accommodating space, described cartridge 8 is enclosed within piston head 5 outside and is positioned at described receiving space；
Also have dismounting screw 22 on described piston head 5, described dismounting screw 22 offer direction and mud-scraping ring 7 axis side
To parallel.
Piston head 5 is enclosed within piston rod 1, is compacted and realizes seal with piston rod 1 by the first sealing member 2 bottom it.
End cap 13 is enclosed within piston rod 1 sealing ring 15 embedded by it and piston rod 1 fitted seal, and its step surface presses
Piston head 5 upper surface sealing member 14 realizes sealing.
Nut 16 uses with piston rod 1 threadeds compression end cap 13, spacing by spacing back-up ring 17.
Support tray 6 is enclosed within piston head 5 and fits with the step surface on the abutting step of piston head 5.
Described cartridge 8 includes fastening step, and the leave from office terrace 19 of described fastening step is inclined-plane and described leave from office
Terrace 19 is gradually reduced from inside to outside to the distance of terrace 25 of appearing on the stage, and the lower end of described hold-down ring 9 includes positioning convex 23, institute
State positioning convex 23 to have and the inclined-plane, location of leave from office terrace 19 laminating.
Described mud-scraping ring 7 is provided with the limited impression 18 caved inward, described fluid sealant in the end corresponding with hold-down ring 9
Cylinder 8 includes the spacing preiection 20 matched with limited impression 18, and described spacing preiection 20 is placed in limited impression 18.
Cartridge 8 is enclosed within piston head 5 by interference fit, and passes through nut 16, end cap 13 compaction and scrape mud
Ring 7, hold-down ring 9 and Support tray 6 are tightly fitted.
Spring 10 is arranged in 8 of circumference uniform distribution on hold-down ring 9 or multiple fastener hole, by being arranged on end cap 13
Compressing member 11 compression in 8 of circumference uniform distribution or multiple positioning spiro pit produces compression stress, it is ensured that cartridge 8 and piston
Head longer time gluing, sealing.
Piston head 5 is mounted with symmetrical two groups of uniform regulation screws 4, applies Support tray 6 to push up power on certain.
The special construction that cartridge 8, mud-scraping ring 7 and hold-down ring 9 use, can make cartridge 8 fit close with piston head 5
Envelope is good, and has good stability placed in the middle and bigger suction.
Assembly and disassembly methods is:
During installation, in piston head 5 outer ring coating lubricating oil；
Then Support tray 6, mud-scraping ring 7, cartridge 8 and hold-down ring 9 are installed on piston head 5；
It is interference fit between cartridge 8 and piston head 5, uniformly presses down on after cartridge 8 is just put or use glue
Wooden mallet raps；
Then end cap 13 is covered, install piston rod 1, adjust the positioning spiro pit between end cap 13 and hold-down ring 9 and
Aligned position between fastener hole, twists good nut 16 and compresses end cap 13 and fix with spacing back-up ring 17；
Spring 10, regulation screw 4 and compressing member 11, first-class first back-up ring 3 and the second back-up ring 12, and then pressure are finally installed
Tightening seal packing element 8.
As in figure 2 it is shown, dismounting time, lay down spacing back-up ring 17, nut 16, piston rod 1, end cap 13 and regulation screw 3 and
Compressing members 11 etc., are arranged on the removal rod 26 consistent with regulation screw 4 screw thread on piston head 5, by worm drive, removal rod
26 withstand on Support tray 6 and push mud-scraping ring 7, cartridge 8 and hold-down ring 9 departs from piston head 5, it is achieved dismounting.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. made, should be included in this utility model
Protection domain within.
Claims (10)
1. Portable dismantling type mud piston, it is characterised in that: include piston rod (1), piston head (5) and black box；
Described piston head (5) is enclosed within the outer wall of piston rod (1)；
Described black box includes cartridge (8), hold-down ring (9) and mud-scraping ring (7)；
Described hold-down ring (9) and mud-scraping ring (7) be socketed in respectively the outside of piston head (5) and hold-down ring (9) and mud-scraping ring (7) it
Between formed and accommodate space, it is outside and be positioned at described receiving space that described cartridge (8) is enclosed within piston head (5)；
Having fastener hole on described hold-down ring (9) end face, be provided with spring (10) in described fastener hole, described spring (10) passes through
One compressing member (11) is compressed on interior and this spring (10) the one end of described fastener hole and abuts with at the bottom of the hole of fastener hole；
Also have dismounting screw (22) on described piston head (5), described dismounting screw (22) offer direction and mud-scraping ring (7) axle
Line direction is parallel.
Portable dismantling type mud piston the most according to claim 1, it is characterised in that: also include being enclosed within piston rod (1)
Outside end cap (13), described end cap (13) has the positioning spiro pit (24) connected with fastener hole, described compressing member (11)
In screwing in described positioning spiro pit (24) and the relative position of end cap (13) with hold-down ring (9) is fixed.
Portable dismantling type mud piston the most according to claim 1, it is characterised in that: described cartridge (8) includes
Having fastening step, the leave from office terrace (19) of described fastening step is inclined-plane and described leave from office terrace (19) to terrace of appearing on the stage (25)
Distance is gradually reduced from inside to outside, and the lower end of described hold-down ring (9) includes positioning convex, and described positioning convex has and gets out of a predicament or an embarrassing situation
The inclined-plane, location (23) fitted in face (19).
Portable dismantling type mud piston the most according to claim 3, it is characterised in that: described fastener hole is by hold-down ring
(9) end face is opened as in described positioning convex.
5. according to the Portable dismantling type mud piston described in claim 1 or 3, it is characterised in that: described mud-scraping ring (7) with
The end that hold-down ring (9) is corresponding is provided with the limited impression (18) caved inward, and described cartridge (8) includes and limited impression
(18) spacing preiection (20) matched, described spacing preiection (20) is placed in limited impression (18).
Portable dismantling type mud piston the most according to claim 1, it is characterised in that: described piston head (5) includes
Abutting step (21), described abutting step (21) abuts with described mud-scraping ring (7), and the step surface of described abutting step (21) is opened
There is described dismounting screw (22).
Portable dismantling type mud piston the most according to claim 1, it is characterised in that: described piston head (5) is outside also
Be cased with Support tray (6), described Support tray (6) pad described mud-scraping ring (7) with abut between step (21).
Portable dismantling type mud piston the most according to claim 7, it is characterised in that: the upper rotation of described dismounting screw (22)
Entering to regulate screw (4), described regulation screw (4) abuts with described Support tray (6).
Portable dismantling type mud piston the most according to claim 2, it is characterised in that: the bottom of described piston rod (1)
Stretching out and screw in nut (16) on the outside of piston head (5) and piston rod (1) bottom, described nut (16) is connected to described end cap
(13) on.
Portable dismantling type mud piston the most according to claim 8, it is characterised in that: described cartridge (8) and institute
State piston head (5) interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620401846.0U CN205714731U (en) | 2016-05-05 | 2016-05-05 | Portable dismantling type mud piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620401846.0U CN205714731U (en) | 2016-05-05 | 2016-05-05 | Portable dismantling type mud piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205714731U true CN205714731U (en) | 2016-11-23 |
Family
ID=57303058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620401846.0U Withdrawn - After Issue CN205714731U (en) | 2016-05-05 | 2016-05-05 | Portable dismantling type mud piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205714731U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864028A (en) * | 2016-05-05 | 2016-08-17 | 中国石油集团渤海钻探工程有限公司 | Detachable pre-tightening mud pump piston and disassembling method thereof |
| CN109385848A (en) * | 2017-08-08 | 2019-02-26 | 上海小吉互联网科技有限公司 | A kind of assembly and disassembly methods of wall-mounted washing machine |
-
2016
- 2016-05-05 CN CN201620401846.0U patent/CN205714731U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864028A (en) * | 2016-05-05 | 2016-08-17 | 中国石油集团渤海钻探工程有限公司 | Detachable pre-tightening mud pump piston and disassembling method thereof |
| CN105864028B (en) * | 2016-05-05 | 2018-02-02 | 中国石油集团渤海钻探工程有限公司 | Replaceable prefastening mud piston and its method for dismounting |
| CN109385848A (en) * | 2017-08-08 | 2019-02-26 | 上海小吉互联网科技有限公司 | A kind of assembly and disassembly methods of wall-mounted washing machine |
| CN109385848B (en) * | 2017-08-08 | 2023-04-14 | 上海小吉互联网科技有限公司 | Wall-mounted washing machine disassembling and assembling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161123 Effective date of abandoning: 20180202 |