CN208633802U - A kind of air-tight structure for oil-well drilling equipment - Google Patents
A kind of air-tight structure for oil-well drilling equipment Download PDFInfo
- Publication number
- CN208633802U CN208633802U CN201821317050.2U CN201821317050U CN208633802U CN 208633802 U CN208633802 U CN 208633802U CN 201821317050 U CN201821317050 U CN 201821317050U CN 208633802 U CN208633802 U CN 208633802U
- Authority
- CN
- China
- Prior art keywords
- mounting disc
- card slot
- stop collar
- fixed
- oil
- 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 discloses a kind of air-tight structures for oil-well drilling equipment, including blowout preventer body, first mounting disc, well head pipe, second mounting disc, gasket seal, stop collar, first card slot, second card slot and rubber seal ring, the bottom of the blowout preventer body is fixed with the first mounting disc, and first the centre of mounting disc be equipped with the opening that is connected to blowout preventer body, the second mounting disc is fixed at the top of the well head pipe, and second the centre of mounting disc be equipped with the opening that is connected to well head pipe, the top of first mounting disc is equidistantly equipped with multiple through-holes, the top of second mounting disc is equipped with the through-hole matched with the first mounting disc, the centre of first mounting disc and the second mounting disc is fixed with gasket seal, this is used for the air-tight structure of oil-well drilling equipment, sealing is fixed between first mounting disc and the second mounting disc Gasket can further increase leakproofness by gasket seal, so as to play the effect of preventing water leakage and anti-gas-leak.
Description
Technical field
The utility model relates to drilling technology field, specially a kind of air-tight structure for oil-well drilling equipment.
Background technique
Sealing element is the critical component of oil drilling control equipment, is mainly used for durings drilling well, well workover, formation testing etc.
Well head pressure is controlled, gas blowout accident is effectively prevented, realizes safe construction, field of petroleum exploitation has been directed to natural gas at present
Exploitation, common winning apparatus sealing element not can guarantee hermetic seal, and existing sealing structure sealing effect is poor.For this purpose,
It is proposed that a kind of air-tight structure for oil-well drilling equipment.
Utility model content
The purpose of this utility model is to provide a kind of air-tight structures for oil-well drilling equipment, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of for the airtight of oil-well drilling equipment
Seal structure, including blowout preventer body, the first mounting disc, well head pipe, the second mounting disc, gasket seal, stop collar, the first card slot,
Second card slot and rubber seal ring, the bottom of the blowout preventer body are fixed with the first mounting disc, and the centre of the first mounting disc
Equipped with the opening being connected to blowout preventer body, the second mounting disc is fixed at the top of the well head pipe, and in the second mounting disc
Between be equipped with the opening that is connected to well head pipe, the top of first mounting disc is equidistantly equipped with multiple through-holes, second mounting disc
Top be equipped with the through-hole that matches with the first mounting disc, the centre of first mounting disc and the second mounting disc is fixed with sealing
Gasket, first mounting disc and the second mounting disc are bolted to connection, and the bottom of first mounting disc is equipped with center
Locate fixed restraining position ring block, is equipped with the groove matched with stop collar, the stop collar at the top center of second mounting disc
It is embedded in groove, the outer ring of the stop collar is equidistantly set there are two the first card slot, and the section of the first card slot is semicircle, institute
It states the second mounting disc and is located at groove inner wall equipped with the second card slot matched with the first card slot, and the section of the second card slot is semicircle
Shape, the outside of the stop collar, which is located in the first card slot, is embedded with rubber seal ring.
Preferably, the inner ring of the stop collar is equal with the inner ring diameter of the first mounting disc.
Preferably, the inner ring of the gasket seal is close to the outside of stop collar.
Preferably, the section of the rubber seal ring and the first card slot, the second card slot are formed by between circular groove as interference
Cooperation.
Preferably, the bottom of the stop collar is fixed with elastic cushion.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model is put into elastic cushion the inside of the second mounting disc, and rubber seal ring is set in stop collar
Outside, then stop collar is embedded in the second mounting disc, the first mounting disc and the second mounting disc are fixed by bolt, lead to
Leakproofness can be increased by crossing two rubber seal rings, elastic cushion is fixed in the bottom of stop collar, when the first mounting disc and second
When mounting disc is bolted, elastic cushion is in compressive state so as to increase leakproofness well.
2, it is fixed with gasket seal between the first mounting disc of the utility model and the second mounting disc, it can be with by gasket seal
Leakproofness is further increased, so as to play the effect of preventing water leakage and anti-gas-leak.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the first mounting disc of the utility model structural schematic diagram；
Fig. 3 is the utility model stop collar structural schematic diagram.
In figure: 1, blowout preventer body；2, the first mounting disc；3, well head pipe；4, the second mounting disc；5, gasket seal；6, it limits
Position ring；7, the first card slot；8, the second card slot；9, rubber seal ring；10, elastic cushion.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, 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 embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of airtight sealed knot for oil-well drilling equipment
Structure, including blowout preventer body 1, the first mounting disc 2, well head pipe 3, the second mounting disc 4, gasket seal 5, stop collar 6, the first card slot
7, the second card slot 8 and rubber seal ring 9, the bottom of the blowout preventer body 1 are fixed with the first mounting disc 2, and the first mounting disc 2
Centre be equipped with the opening that be connected to blowout preventer body 1, the top of the well head pipe 3 is fixed with the second mounting disc 4, and second pacifies
The centre of sabot 4 is equipped with the opening being connected to well head pipe 3, and the top of first mounting disc 2 is equidistantly equipped with multiple through-holes, described
The top of second mounting disc 4 is equipped with the through-hole that matches with the first mounting disc 2, first mounting disc 2 and the second mounting disc 4
Centre is fixed with gasket seal 5, and first mounting disc 2 and the second mounting disc 4 are bolted to connection, first installation
The bottom of disk 2 is equipped with fixed restraining position ring block 6 at center, is equipped at the top center of second mounting disc 4 and matches with stop collar 6
The groove of conjunction, the stop collar 6 are embedded in groove, and the outer ring of the stop collar 6 is equidistantly set there are two the first card slot 7, and the
The section of one card slot 7 is semicircle, and second mounting disc 4 is located at groove inner wall and is equipped with second matched with the first card slot 7
Card slot 8, and the section of the second card slot 8 is semicircle, the outside of the stop collar 6, which is located in the first card slot 7, is embedded with rubber
Sealing ring 9.
The inner ring of the stop collar 6 is equal with the inner ring diameter of the first mounting disc 2, facilitates liquid communication.
The inner ring of the gasket seal 5 is close to the outside of stop collar 6, is conveniently fixed.
The section of the rubber seal ring 9 and the first card slot 7, the second card slot 8 are formed by between circular groove to be interference fitted,
Increase leakproofness.
The bottom of the stop collar 6 is fixed with elastic cushion 10, prevents gas leakage.
Working principle are as follows: when in use, elastic cushion 10 is put into first the inside of the second mounting disc 4, and rubber is close
Seal ring 9 is set in the outside of stop collar 6, and then stop collar 6 is embedded in the second mounting disc 4, by bolt the first installation
Disk 2 and the second mounting disc 4 are fixed, can increase leakproofness by two rubber seal rings 9, be fixed in the bottom of stop collar 6
Elastic cushion 10, when the first mounting disc 2 and the second mounting disc 4 are bolted, elastic cushion 10 be in compressive state so as to
To increase leakproofness well, it is fixed with gasket seal 5 between the first mounting disc 2 and the second mounting disc 4, passes through gasket seal 5
Leakproofness can be further increased, so as to play the effect of preventing water leakage and anti-gas-leak.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of air-tight structure for oil-well drilling equipment, including blowout preventer body (1), the first mounting disc (2), well head pipe
(3), the second mounting disc (4), gasket seal (5), stop collar (6), the first card slot (7), the second card slot (8) and rubber seal ring
(9), it is characterised in that: the bottom of the blowout preventer body (1) is fixed with the first mounting disc (2), and in the first mounting disc (2)
Between be equipped with the opening that is connected to blowout preventer body (1), be fixed with the second mounting disc (4) at the top of the well head pipe (3), and second
The centre of mounting disc (4) is equipped with the opening being connected to well head pipe (3), and the top of first mounting disc (2) is equidistantly equipped with multiple
Through-hole, the top of second mounting disc (4) are equipped with the through-hole matched with the first mounting disc (2), first mounting disc (2)
It is fixed with gasket seal (5) with the centre of the second mounting disc (4), first mounting disc (2) and the second mounting disc (4) pass through spiral shell
Bolt is fixedly connected, and the bottom of first mounting disc (2) is equipped with restraining position ring block (6) fixed at center, second mounting disc (4)
Top center at be equipped with the groove that matches with stop collar (6), the stop collar (6) is embedded in groove, the stop collar
(6) outer ring is equidistantly set there are two the first card slot (7), and the section of the first card slot (7) is semicircle, second mounting disc
(4) it is located at groove inner wall and is equipped with the second card slot (8) matched with the first card slot (7), and the section of the second card slot (8) is semicircle
Shape, the outside of the stop collar (6), which is located in the first card slot (7), is embedded with rubber seal ring (9).
2. a kind of air-tight structure for oil-well drilling equipment according to claim 1, it is characterised in that: the limit
The inner ring of ring (6) is equal with the inner ring diameter of the first mounting disc (2).
3. a kind of air-tight structure for oil-well drilling equipment according to claim 1, it is characterised in that: the sealing
The inner ring of gasket (5) is close to the outside of stop collar (6).
4. a kind of air-tight structure for oil-well drilling equipment according to claim 1, it is characterised in that: the rubber
The section of sealing ring (9) and the first card slot (7), the second card slot (8) are formed by between circular groove as interference fit.
5. a kind of air-tight structure for oil-well drilling equipment according to claim 1, it is characterised in that: the limit
The bottom of ring (6) is fixed with elastic cushion (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821317050.2U CN208633802U (en) | 2018-08-16 | 2018-08-16 | A kind of air-tight structure for oil-well drilling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821317050.2U CN208633802U (en) | 2018-08-16 | 2018-08-16 | A kind of air-tight structure for oil-well drilling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208633802U true CN208633802U (en) | 2019-03-22 |
Family
ID=65742357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821317050.2U Expired - Fee Related CN208633802U (en) | 2018-08-16 | 2018-08-16 | A kind of air-tight structure for oil-well drilling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208633802U (en) |
-
2018
- 2018-08-16 CN CN201821317050.2U patent/CN208633802U/en not_active Expired - Fee Related
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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: 20190322 Termination date: 20190816 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |