CN106703700A - Novel sealing ring for roller bit - Google Patents
Novel sealing ring for roller bit Download PDFInfo
- Publication number
- CN106703700A CN106703700A CN201611240382.0A CN201611240382A CN106703700A CN 106703700 A CN106703700 A CN 106703700A CN 201611240382 A CN201611240382 A CN 201611240382A CN 106703700 A CN106703700 A CN 106703700A
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- projection
- rock bit
- novel
- ring body
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
- E21B10/25—Roller bits characterised by bearing, lubrication or sealing details characterised by sealing details
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
- E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a novel sealing ring for a roller bit. The novel sealing ring comprises a sealing ring body, a first projection and a second projection, the first projection and the second projection are positioned on the sealing ring body and close to one end of the sealing ring body and obliquely face the inner side and the outer side of the sealing ring respectively, a first concave structure is formed between the first projection and the second projection, and a second concave structure is arranged on the side surface of the sealing ring body. The sealing ring is provided with the first concave structure, so that the sealing ring has elastic margins, expansion deformation of the sealing ring is avoided, sealing performance of the sealing ring is improved, the sealing ring is provided with the second concave structure, more lubricating oil can be stored, good lubricating function is achieved, sludge cannot enter a sealing surface by the aid of the first projection and the second projection, so that the sealing ring is durably protected, and the service life of the sealing ring is prolonged.
Description
Technical field
The present invention relates to a kind of sealing ring, more particularly to a kind of Novel sealing ring for rock bit.
Background technology
Rock bit is a kind of most popular drilling bit.Cutting tooth alternately contacts shaft bottom when rock bit works,
Broken rock moment of torsion is small, and cutting tooth is small with shaft bottom contact area, higher than pressing, it is easy to wedging stratum；Work edge total length is big, thus relatively
Reduce abrasion.Rock bit can adapt to the various stratum from soft to hard.The rock bit is when in use, it is necessary to carry out close
Envelope, to ensure rock bit normal work..However, the sealing ring of existing rock bit is usually O-ring seal, although its
Also there is certain sealing function, but, in use, body refuse, landwaste are easily accessible sealing surface, easily cause seal operation
Surface wear, its sealing function declines cannot play good sealing effectiveness.
Therefore, regarding to the issue above, further solution is proposed.
The content of the invention
It is an object of the invention to provide a kind of Novel sealing ring for rock bit, exist in the prior art to overcome
Deficiency.
For achieving the above object, the present invention provides a kind of Novel sealing ring for rock bit, and it includes：Sealing
Circle body and on the sealing ring body first raised and the second projection；
Described first is raised raised with second on the sealing ring body, and near one end of the sealing ring body, and
Described first is raised and the second projection is respectively facing the inner side and outer side of the sealing ring and is obliquely installed, and described first is raised and the
The first sunk structure is formed between two projections, the second sunk structure is provided with the side of the sealing ring body.
As the improvement of the Novel sealing ring for rock bit of the invention, the axial cross section of the sealing ring body
In, first projection and the second projection are symmetrical arranged.
Used as the improvement of the Novel sealing ring for rock bit of the invention, first sunk structure is continuously in a circumferential
Or interval setting.
Used as the improvement of the Novel sealing ring for rock bit of the invention, second sunk structure is located at described close
On the medial surface and/or lateral surface of seal body.
Used as the improvement of the Novel sealing ring for rock bit of the invention, second sunk structure is along place side
Circumferentially continuous or interval setting.
As the improvement of the Novel sealing ring for rock bit of the invention, the sealing ring body and thereon first
Raised and the second projection is integrally formed.
It is described to be integrally formed mode to be molded into as the improvement of the Novel sealing ring for rock bit of the invention
Type.
Compared with prior art, the beneficial effects of the invention are as follows：Novel sealing ring for rock bit of the invention leads to
Cross the first sunk structure of setting so that sealing ring has elastic allowance, so as to avoid sealing ring dilatancy, improves sealing ring
Sealing.Meanwhile, more lubricating oil can be stored by setting the second sunk structure, play preferable lubrication.This
Outward, by setting first raised and the second projection, can effectively stop that body refuse enters sealing surface, and then sealing ring is carried out persistently
Protection, extend its service life.
Brief description of the drawings
Fig. 1 is that the axial cross section of a specific embodiment of the Novel sealing ring for rock bit of the invention is illustrated
Figure；
Fig. 2 is view when sealing ring of the invention is used in rock bit.
Specific embodiment
The present invention is described in detail for shown each implementation method below in conjunction with the accompanying drawings, but it should explanation, these
Implementation method not limitation of the present invention, those of ordinary skill in the art according to these implementation method institutes works energy, method,
Or equivalent transformation or replacement in structure, belong within protection scope of the present invention.
As shown in Figure 1, 2, the Novel sealing ring 1 for rock bit of the invention includes：Sealing ring body 10 and position
In the first raised 11 and second projection 12 on the sealing ring body 10.
The sealing ring body 10 forms the agent structure of the sealing ring, and it is substantially in toroidal.Described first is convex
Play 11 and second raised 12 to be located on the sealing ring body 10, and near one end of the sealing ring body 10, and described the
The inner side and outer side that one projection 11 and the second projection 12 are respectively facing the sealing ring is obliquely installed.Preferably, in the sealing
Enclose in the axial cross section of body 10, the described first raised 11 and second projection 12 is symmetrical set.
Wherein, for the inner side is the medial surface of relative annular seal circle, the outside is that relative annular is close
For the lateral surface of seal.So as to by setting the described first raised 11 and second projection 12, increase the sealing of sealing ring
Area, improves the sealing of sealing ring, at the same be conducive to stop body refuse enter sealing ring, and then sealing ring is carried out it is lasting
Protection, extends its service life.
Described first raised 11 and second projection 12 is integrally extended from the sealing ring body 10, so that, it is described
Sealing ring body 10 and the thereon first raised 11 and second projection 12 are integrally formed.Preferably, the mode that is integrally formed is
Injection moulding.
The first sunk structure 13 is formed between described first raised 11 and second projection 12, because rock bit 2 is in work
During can generate heat, according to the principle expanded with heat and contract with cold, rock bit can drive sealing ring thereon to expand.So as to by setting
First sunk structure 13 so that sealing ring has elastic allowance, so as to avoid sealing ring dilatancy, improves sealing ring
Sealing.First sunk structure 13 is continuously in a circumferential or interval setting.Preferably, first sunk structure 13 is along week
To continuous setting.
The second sunk structure 14 is provided with the side of the sealing ring body 10, wherein, the side can be described
The medial surface of sealing ring, or the lateral surface of the sealing ring.So as to second sunk structure 14 is located at the sealing
Enclose on the medial surface and/or lateral surface of body 10.By setting second sunk structure 14 so that sealing ring energy of the invention
More lubricating oil are enough stored, so as to have preferable lubrication.Second sunk structure 14 along place side circumference
Continuous or interval setting.Preferably, second sunk structure 14 along place side circumferentially continuous setting.
In sum, the Novel sealing ring for rock bit of the invention is by setting the first sunk structure so that close
Seal has elastic allowance, so as to avoid sealing ring dilatancy, improves the sealing of sealing ring.Meanwhile, by setting the
Two sunk structures can store more lubricating oil, play preferable lubrication.Additionally, by setting the first projection and second
Projection, can effectively stop that body refuse enters sealing surface, and then carry out lasting protection to sealing ring, extend its service life.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires to be limited rather than described above, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (7)
1. a kind of Novel sealing ring for rock bit, it is characterised in that the Novel sealing ring bag for rock bit
Include：Sealing ring body and on the sealing ring body first raised and the second projection；
Described first is raised raised with second on the sealing ring body, and near one end of the sealing ring body, and
Described first is raised and the second projection is respectively facing the inner side and outer side of the sealing ring and is obliquely installed, and described first is raised and the
The first sunk structure is formed between two projections, the second sunk structure is provided with the side of the sealing ring body.
2. the Novel sealing ring for rock bit according to claim 1, it is characterised in that the sealing ring body
In axial cross section, first projection and the second projection are symmetrical arranged.
3. the Novel sealing ring for rock bit according to claim 1, it is characterised in that first sunk structure
Continuously in a circumferential or interval setting.
4. the Novel sealing ring for rock bit according to claim 1, it is characterised in that second sunk structure
On the medial surface and/or lateral surface of the sealing ring body.
5. the Novel sealing ring for rock bit according to claim 4, it is characterised in that second sunk structure
Along the circumferentially continuous or interval setting of place side.
6. the Novel sealing ring for rock bit according to claim 1, it is characterised in that the sealing ring body and
First thereon is raised and the second projection is integrally formed.
7. the Novel sealing ring for rock bit according to claim 6, it is characterised in that described to be integrally formed mode
It is injection moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611240382.0A CN106703700A (en) | 2016-12-29 | 2016-12-29 | Novel sealing ring for roller bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611240382.0A CN106703700A (en) | 2016-12-29 | 2016-12-29 | Novel sealing ring for roller bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106703700A true CN106703700A (en) | 2017-05-24 |
Family
ID=58896901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611240382.0A Pending CN106703700A (en) | 2016-12-29 | 2016-12-29 | Novel sealing ring for roller bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106703700A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984864A (en) * | 2019-12-25 | 2020-04-10 | 西南石油大学 | Roller bit seal structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2259868Y (en) * | 1995-07-31 | 1997-08-20 | 江汉石油管理局钻头厂 | Teethed wheel type tooth drill bit |
| US20050056462A1 (en) * | 2003-09-12 | 2005-03-17 | Burr Bruce H. | Lip seal for roller cone drill bit |
| CN104948114A (en) * | 2015-07-22 | 2015-09-30 | 江汉石油钻头股份有限公司 | Seal ring with lubricating channel |
| CN105298394A (en) * | 2015-09-24 | 2016-02-03 | 西南石油大学 | Roller bit bearing W-shaped sealing structure |
| CN206309282U (en) * | 2016-12-29 | 2017-07-07 | 苏州思丹孚钻具有限公司 | For the Novel sealing ring of rock bit |
-
2016
- 2016-12-29 CN CN201611240382.0A patent/CN106703700A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2259868Y (en) * | 1995-07-31 | 1997-08-20 | 江汉石油管理局钻头厂 | Teethed wheel type tooth drill bit |
| US20050056462A1 (en) * | 2003-09-12 | 2005-03-17 | Burr Bruce H. | Lip seal for roller cone drill bit |
| CN104948114A (en) * | 2015-07-22 | 2015-09-30 | 江汉石油钻头股份有限公司 | Seal ring with lubricating channel |
| CN105298394A (en) * | 2015-09-24 | 2016-02-03 | 西南石油大学 | Roller bit bearing W-shaped sealing structure |
| CN206309282U (en) * | 2016-12-29 | 2017-07-07 | 苏州思丹孚钻具有限公司 | For the Novel sealing ring of rock bit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984864A (en) * | 2019-12-25 | 2020-04-10 | 西南石油大学 | Roller bit seal structure |
| CN110984864B (en) * | 2019-12-25 | 2022-03-15 | 西南石油大学 | Roller bit seal structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |