CN204571862U - A kind of ball locking ring device - Google Patents
A kind of ball locking ring device Download PDFInfo
- Publication number
- CN204571862U CN204571862U CN201520223125.0U CN201520223125U CN204571862U CN 204571862 U CN204571862 U CN 204571862U CN 201520223125 U CN201520223125 U CN 201520223125U CN 204571862 U CN204571862 U CN 204571862U
- Authority
- CN
- China
- Prior art keywords
- snap ring
- joint
- ball
- annular groove
- hole
- 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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- Pivots And Pivotal Connections (AREA)
Abstract
The utility model relates to a kind of linkage, specifically, relate to a kind of ball locking ring device being contained in oil and going into the well on equipment joint, it comprise with annular groove joint and be fixed on snap ring in joint annular groove, be contained in the ball in snap ring and the screw for fixing snap ring.The external diameter of snap ring is identical with joint external diameter, and ball is contained in the through hole that inner side is large, outside is little of snap ring.Snap ring is two semi-rings, has stepped hole between the through hole of snap ring, and the bottom land of joint annular groove is provided with the screw corresponding with stepped hole, and screw is screwed into screw by stepped hole and is fixed in joint annular groove by snap ring.Ball exceeds collar outer surface but can fall out, thus makes the sliding friction between joint and the borehole wall change rolling friction into.The utility model can be configured at multiple downhole probe, instrument becomes ball joint and have structure simple, install and remove easy, low cost of manufacture, feature applied widely.
Description
Technical field
The utility model relates to a kind of linkage, specifically, relates to a kind of ball locking ring device.
Background technology
The exploitation of petroleum-gas fiedl, adopts high angle hole and horizontal well to get more and more, and the operations such as well logging in cased well, perforation, lower bridging plug and oil pipe conveying oriented perforation, all can be subject to the restriction of frictional resistance.Also have before this ways such as filling trundle, bearing or large steel ball on joint in the hope of change sliding friction be rolling friction to reduce frictional resistance, but all there is the reasons such as complex structure, processing difficulties, assembling are hard, poor stability, high expensive and can not widely use.To carry out at net horizontal section in shale gas development process that pump squeezes wireline logging, perforation, lower bridging plug operation also need to use ball joint in a large number.
The utility model deft design, structure are simply improved step by step and are developed by dress ball bearing to being improved to the ball collar by joint in the research and development of inclined shaft oriented perforator, process on probation.
Utility model content
Technical problem to be solved in the utility model is to provide the ball locking ring device that a kind of structure is simple, mounting or dismounting are convenient, with low cost, the scope of application is wide.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of ball locking ring device, and it comprises the joint being provided with annular groove, the ball being screwed on the snap ring in joint annular groove and being contained in snap ring.The external diameter of described snap ring is equal with the external diameter of described joint.
Described snap ring is provided with the through hole for assembling described ball, large inside described through hole, outside is little, and the place that diminishes outside through hole corresponds to the arc corresponding with described ball.
Described snap ring is two semi-rings, makes with reinforcement nylon.
Described snap ring is provided with multiple stepped hole, and the bottom land of described joint annular groove is provided with screw corresponding to multiple and described stepped hole, and described screw is screwed into screw by stepped hole, thus is fixed in the annular groove of joint by described snap ring.
Through hole on described snap ring and stepped hole are uniform and spaced.
The beneficial effects of the utility model are: snap ring is fixed in joint annular groove, and roller unit is only exposed 2 millimeter and can be rotated freely in snap ring, when these piecing devices are moved in other objects, sliding friction can be become the rolling friction of ball.Can reduce goes into the well is equipped in frictional resistance in operation process and between the borehole wall, avoid transferring be hampered and on carry and meet card, the wearing and tearing of joint can also be reduced.The utility model is with low cost, mounting or dismounting are convenient, can change in time, can application life of extending connector.
Accompanying drawing explanation
Fig. 1 is the structural representation after the utility model assembling;
Fig. 2 is the structural representation of the utility model joint;
Fig. 3 be in the utility model snap ring along the sectional view of A-A;
Fig. 4 is the sectional view of the utility model along A-A.
In accompanying drawing, the list of parts representated by each label is as follows:
1, joint, 2, snap ring, 3, ball, 4, screw.
Detailed description of the invention
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, a kind of ball locking ring device, it comprise be provided with annular groove joint 1, to be fixed on the snap ring 2 in joint 1 annular groove by screw 4 and to be contained in the ball 3 of snap ring 2 li.The external diameter of described snap ring 2 is equal with the external diameter of described joint 1.
Described snap ring 2 is provided with the through hole for assembling described ball 3, large inside described through hole, outside is little, and the place that diminishes outside through hole corresponds to the arc corresponding with described ball 3.
Described snap ring 2 is two semi-rings, makes with reinforcement nylon.
Described snap ring 2 is provided with multiple stepped hole, and the bottom land of described joint 1 annular groove is provided with screw corresponding to multiple and described stepped hole, and described screw 4 is screwed into screw by stepped hole, thus is fixed in the annular groove of joint 1 by described snap ring 2.
Through hole on described snap ring 2 and stepped hole are uniform and spaced.
The foregoing is only an embodiment of the present utility model; not in order to limit the scope of application of the present utility model; all within structure of the present utility model and concept, any amendment done, equivalent replacement, improvement etc., all should belong to protection domain of the present utility model.
Claims (5)
1. a ball locking ring device, it is characterized in that, it comprise be provided with annular groove joint (1), to be fixed on the snap ring (2) in joint (1) annular groove by screw (4) and to be contained in the inner ball (3) of snap ring (2), the external diameter of described snap ring (2) is equal with the external diameter of described joint (1).
2. a kind of ball locking ring device according to claim 1, it is characterized in that, described snap ring (2) is provided with the through hole for assembling described ball (3), large inside described through hole, outside is little, and the place that diminishes outside through hole corresponds to the arc corresponding with described ball (3).
3. a kind of ball locking ring device according to claim 1, it is characterized in that, described snap ring (2) is two semi-rings, makes with reinforcement nylon.
4. a kind of ball locking ring device according to any one of claim 1-3, it is characterized in that, described snap ring (2) is provided with multiple stepped hole, and the bottom land of described joint (1) annular groove is provided with screw corresponding to multiple and described stepped hole, described screw (4) is screwed into screw by stepped hole, thus is fixed in the annular groove of joint (1) by described snap ring (2).
5. a kind of ball locking ring device according to claim 4, is characterized in that, the through hole on described snap ring (2) and stepped hole are uniform and spaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520223125.0U CN204571862U (en) | 2015-04-14 | 2015-04-14 | A kind of ball locking ring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520223125.0U CN204571862U (en) | 2015-04-14 | 2015-04-14 | A kind of ball locking ring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204571862U true CN204571862U (en) | 2015-08-19 |
Family
ID=53864516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520223125.0U Expired - Fee Related CN204571862U (en) | 2015-04-14 | 2015-04-14 | A kind of ball locking ring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204571862U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840114A (en) * | 2016-04-29 | 2016-08-10 | 成都来宝石油设备有限公司 | Stabilizer for sucker rod for reducing friction force |
| CN105863523A (en) * | 2016-04-29 | 2016-08-17 | 成都来宝石油设备有限公司 | Stabilizing device for centralizing sucker rod |
| CN109138910A (en) * | 2018-08-24 | 2019-01-04 | 中国石油天然气股份有限公司 | A kind of low pump note frictional resistance bridge plug and its application method for horizontal well |
-
2015
- 2015-04-14 CN CN201520223125.0U patent/CN204571862U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840114A (en) * | 2016-04-29 | 2016-08-10 | 成都来宝石油设备有限公司 | Stabilizer for sucker rod for reducing friction force |
| CN105863523A (en) * | 2016-04-29 | 2016-08-17 | 成都来宝石油设备有限公司 | Stabilizing device for centralizing sucker rod |
| CN109138910A (en) * | 2018-08-24 | 2019-01-04 | 中国石油天然气股份有限公司 | A kind of low pump note frictional resistance bridge plug and its application method for horizontal well |
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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 |
Granted publication date: 20150819 Termination date: 20180414 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |