CN202100233U - Self-locking rubber plug - Google Patents
Self-locking rubber plug Download PDFInfo
- Publication number
- CN202100233U CN202100233U CN201120197333XU CN201120197333U CN202100233U CN 202100233 U CN202100233 U CN 202100233U CN 201120197333X U CN201120197333X U CN 201120197333XU CN 201120197333 U CN201120197333 U CN 201120197333U CN 202100233 U CN202100233 U CN 202100233U
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- China
- Prior art keywords
- self
- locking
- left end
- shell fragment
- shaven head
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Abstract
The utility model relates to the technical field of rubber plug assemblies after well cementation of oil and gas field mining, in particular to a self-locking rubber plug. The self-locking rubber plug comprises a framework, a rubber wing, an elastic device and a ball joint. The rubber wing is fixed on the framework, and the outer side at the right end of the framework arranged on the right side of the rubber wing is fixedly mounted with the inner side at the left end of the ball joint. A left end face of the ball joint abuts against a right end face of the rubber wing, and the elastic device capable of being clamped in an annular groove of a rubber plug base is fixedly arranged on the ball joint. The self-locking rubber plug is reasonable and compact in structure and adopts the matching of a self-locking elastic piece and the rubber plug base to form self-locking. The self-locking elastic piece has good contractibility and elasticity so that self-locking can be achieved without strong force and using is convenient. The self-locking elastic piece can not be extruded to be damaged, and accordingly potential safety hazard is reduced.
Description
Technical field
the utility model relates to plug assembly technical field in the solid completion of exploitation of oil-gas field, is a kind of self-locking plug.
Background technology
self-locking plug is a kind of instrument commonly used in the solid completion of exploitation of oil-gas field; What self-locking plug commonly used now adopted is the mode self-locking of opening self-locking ring; This self-locking mode must have enough power to make opening self-locking ring retraction; Just can reach the purpose of self-locking, therefore waste time and energy.In addition, the opening self-locking ring might rupture under the effect of stress in the process of extruding, therefore has potential safety hazard.
Summary of the invention
the utility model provides a kind of self-locking plug, has overcome the deficiency of above-mentioned prior art, and it can effectively solve the problem that existing opening self-locking ring self-locking is wasted time and energy and had potential safety hazard.
The technical scheme of
the utility model realizes through following measure: a kind of self-locking plug comprises skeleton, the glue wing, elastic device and shaven head; On skeleton, be fixed with the glue wing; The right-hand member outside of the skeleton that the glue wing is right-hand is fixedly installed togather with the left end inboard of shaven head; The left side of shaven head withstands on the right side of the glue wing, on shaven head, is installed with the elastic device that can be stuck in the plug seat cannelure.
Be to the further optimization of above-mentioned utility model technical scheme below or/and improve:
above-mentioned elastic device can be self-locking spring slice; Self-locking spring slice comprises horizontal shell fragment and oblique shell fragment; The left end of horizontal shell fragment is fixed together with the right-hand member of oblique shell fragment; At least two mounting groove is arranged on shaven head, and horizontal shell fragment is fixedly mounted in the mounting groove, and tiltedly shell fragment is positioned at the mounting groove outside.
above-mentioned horizontal shell fragment can be fixedly mounted in the mounting groove through hold-down screw.
Can be evenly equipped with four mounting grooves on
above-mentioned shaven head.
The sealing ring mounting groove of at least one can be arranged on the right-hand shaven head of
above-mentioned elastic device, in the sealing ring mounting groove, O-ring seals is installed.
The right-hand member outside of the skeleton that
above-mentioned glue wing is right-hand can be fixedly installed togather through screw thread with the left end inboard of shaven head.
The left end inboard of
above-mentioned skeleton can be equipped with gland through screw thread, and the left end of gland has boss, and boss is stuck on the left end of the glue wing.
above-mentioned elastic device can be annular shell fragment pawl cover, and annular shell fragment pawl cover is fixed on the shaven head.
the utility model reasonable and compact in structure; It adopts self-locking spring slice to cooperate with the plug seat and forms self-locking; Because self-locking spring slice has good shrinkage and elasticity, thus do not need very big power just can realize self-locking, therefore easy to use; Self-locking spring slice can not be extruded damage, has therefore reduced potential safety hazard.
Description of drawings
accompanying drawing 1 is looked the half section structural representation for the master of the utility model most preferred embodiment.
accompanying drawing 2 is that the A-A of accompanying drawing 1 is to the sectional structure sketch map.
accompanying drawing 3 is looked the half section structural representation for the master of the utility model most preferred embodiment in being installed in the plug seat.
Coding in
accompanying drawing is respectively: 1 is skeleton, and 2 is the glue wing, and 3 is shaven head, and 4 is cannelure, and 5 is horizontal shell fragment, and 6 is oblique shell fragment, and 7 is hold-down screw, and 8 is O-ring seals, and 9 is gland, and 10 is boss, and 11 is the plug seat.
The specific embodiment
the utility model does not receive the restriction of following embodiment, can confirm concrete embodiment according to the technical scheme and the actual conditions of the utility model.
are in the utility model; For the ease of describing; The description of the relative position relation of each parts all is to describe according to the Butut mode of Figure of description, as: on. down. a left side. the position relation on the right side etc. is what to confirm according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
like accompanying drawing 1, shown in 2, this self-locking plug comprises skeleton 1, the glue wing 2, elastic device and shaven head 3; On skeleton 1, be fixed with the glue wing 2; The right-hand member outside of the skeleton 1 that the glue wing 2 is right-hand is fixedly installed togather with the left end inboard of shaven head 3; The left side of shaven head 3 withstands on the right side of the glue wing 2, on shaven head 3, is installed with the elastic device that can be stuck in plug seat 11 cannelures 4.
Can according to actual needs above-mentioned self-locking plug be done further to optimize or/and improve:
like accompanying drawing 1, shown in 2, elastic device is a self-locking spring slice, and self-locking spring slice comprises horizontal shell fragment 5 and oblique shell fragment 6; The left end of horizontal shell fragment 5 is fixed together with the right-hand member of oblique shell fragment 6, and at least two mounting groove is arranged on shaven head 3, and horizontal shell fragment 5 is fixedly mounted in the mounting groove; Tiltedly shell fragment 6 is positioned at the mounting groove outside; Because self-locking spring slice has good shrinkage and elasticity, so do not need very big power just can realize self-locking, self-locking spring slice can not be extruded damage yet.
Like accompanying drawing 1, shown in 2, for the ease of installation and removal, horizontal shell fragment 5 is fixedly mounted in the mounting groove through hold-down screw 7
.
as required, are evenly equipped with four mounting grooves like accompanying drawing 1, shown in 2 on the shaven head 3.
in order to increase sealing, have the sealing ring mounting groove of at least one like accompanying drawing 1, shown in 2 on right-hand shaven head 3 of elastic device, O-ring seals 8 is installed in the sealing ring mounting groove.
like accompanying drawing 1, shown in 2, and for the ease of installation and removal, the right-hand member outside of the skeleton 1 that the glue wing 2 is right-hand is fixedly installed togather through screw thread with the left end inboard of shaven head 3.
like accompanying drawing 1, shown in 2, the left end inboard of skeleton 1 is equipped with gland 9 through screw thread, and the left end of gland 9 has boss 10, and boss 10 is stuck on the left end of the glue wing 2, like this, can increase the stability of the glue wing 2 and skeleton 1.
as required, elastic device also can be annular shell fragment pawl cover, annular shell fragment pawl cover is fixed on the shaven head.
above technical characterictic has constituted the most preferred embodiment of the utility model, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
The use of
the utility model most preferred embodiment: plug seat 11 is inserted in the bunch tube; When the utility model is under pressure when going downwards to plug seat 11; Tiltedly shell fragment 6 pressurizeds bounce back, and in the time of in oblique shell fragment 6 enters into the cannelure 4 in the plug seat 11, tiltedly shell fragment 6 flicks the formation self-locking; At this moment the O-ring seals 8 that is contained on the shaven head 3 forms sealing with plug seat 11 inner surfaces, and shaven head 3 lower surfaces retaining is in plug seat 11 on the step surface.
Claims (10)
1. a self-locking plug is characterized in that comprising skeleton, the glue wing, elastic device and shaven head; On skeleton, be fixed with the glue wing; The right-hand member outside of the skeleton that the glue wing is right-hand is fixedly installed togather with the left end inboard of shaven head; The left side of shaven head withstands on the right side of the glue wing, on shaven head, is installed with the elastic device that can be stuck in the plug seat cannelure.
2. self-locking plug according to claim 1; It is characterized in that elastic device is a self-locking spring slice; Self-locking spring slice comprises horizontal shell fragment and oblique shell fragment, and the left end of horizontal shell fragment is fixed together with the right-hand member of oblique shell fragment, and at least two mounting groove is arranged on shaven head; Horizontal shell fragment is fixedly mounted in the mounting groove, and tiltedly shell fragment is positioned at the mounting groove outside.
3. self-locking plug according to claim 2 is characterized in that horizontal shell fragment is fixedly mounted in the mounting groove through hold-down screw.
4. self-locking plug according to claim 3 is characterized in that being evenly equipped with on the shaven head four mounting grooves.
5. according to claim 1 or 2 or 3 or 4 described self-locking plugs, it is characterized in that having on right-hand shaven head of elastic device the sealing ring mounting groove of at least one, in the sealing ring mounting groove, O-ring seals is installed.
6. self-locking plug according to claim 5 is characterized in that the right-hand member outside of the skeleton that the glue wing is right-hand and the left end inboard of shaven head are fixedly installed togather through screw thread.
7. according to claim 1 or 2 or 3 or 4 described self-locking plugs, it is characterized in that the left end inboard of skeleton is equipped with gland through screw thread, the left end of gland has boss, and boss is stuck on the left end of the glue wing.
8. self-locking plug according to claim 5 is characterized in that the left end inboard of skeleton is equipped with gland through screw thread, and the left end of gland has boss, and boss is stuck on the left end of the glue wing.
9. self-locking plug according to claim 6 is characterized in that the left end inboard of skeleton is equipped with gland through screw thread, and the left end of gland has boss, and boss is stuck on the left end of the glue wing.
10. self-locking plug according to claim 1 is characterized in that elastic device is annular shell fragment pawl cover, and annular shell fragment pawl cover is fixed on the shaven head.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201120197333XU CN202100233U (en) | 2011-06-13 | 2011-06-13 | Self-locking rubber plug |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201120197333XU CN202100233U (en) | 2011-06-13 | 2011-06-13 | Self-locking rubber plug |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202100233U true CN202100233U (en) | 2012-01-04 |
Family
ID=45386249
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201120197333XU Expired - Fee Related CN202100233U (en) | 2011-06-13 | 2011-06-13 | Self-locking rubber plug |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202100233U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107013183A (en) * | 2017-05-31 | 2017-08-04 | 中国石油集团西部钻探工程有限公司 | Tail pipe plug device |
-
2011
- 2011-06-13 CN CN201120197333XU patent/CN202100233U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107013183A (en) * | 2017-05-31 | 2017-08-04 | 中国石油集团西部钻探工程有限公司 | Tail pipe plug device |
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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: 20120104 Termination date: 20160613 |