CN207406285U - Drop-off preventer for sucker rod - Google Patents
Drop-off preventer for sucker rod Download PDFInfo
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- CN207406285U CN207406285U CN201721401817.5U CN201721401817U CN207406285U CN 207406285 U CN207406285 U CN 207406285U CN 201721401817 U CN201721401817 U CN 201721401817U CN 207406285 U CN207406285 U CN 207406285U
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- stud
- preventer
- drop
- connector
- sucker rod
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Abstract
The utility model provides a kind of drop-off preventer for sucker rod.The drop-off preventer for sucker rod includes main casing；Casing is lengthened, the lengthening casing is connected through a screw thread the main casing；Described one end for lengthening casing is equipped with the first stud；Connector fixing pipe, the connector fixing pipe is connected through a screw thread the lengthening casing, and one end of the connector fixing pipe is equipped with the second stud；Thread groove；Oil outlet；Oil chamber；Spongy layer；Connector, the connector is connected through a screw thread the connector fixing pipe, and one end of the connector sets the 3rd stud；The inside of the thread groove is fixed in the 3rd stud cooperation；Card slot；Baffle, the baffle are connected with the card slot, and the barrier slides connect the connector fixing pipe；Second fixed plate.Drop-off preventer for sucker rod provided by the utility model effectively raises the intensity of connector and anti-dropping device junction, effectively solves the problems, such as that the easy corrosion of connector slips.
Description
Technical field
The utility model is related to sucker rod technical field more particularly to a kind of drop-off preventer for sucker rod.
Background technology
Sucker rod is the slender rod piece of rod-pumped well, connects polished rod on it, under connect the effect that oil pumping pumps up passing power, oil pumping
Bar needs to connect a lot of other components at work, and wherein drop-off preventer for sucker rod is essential that drop-off preventer for sucker rod is used for
The radial direction torque of sucker rod is eliminated, prevents pumping rod disengaging.
Current drop-off preventer for sucker rod fastness is inadequate, and the connecting portion of anti-dropping device and connector only has single screw thread mostly
Connection structure easily loosens after working long hours, and screw thread can loosen backward, lacks position-limit mechanism, and lacks lubricating arrangement, makes
Easy corrosion after junction works long hours is obtained, intensity is caused to decline.
Therefore, it is necessary to providing a kind of new drop-off preventer for sucker rod solves above-mentioned technical problem.
Utility model content
The technical issues of the utility model solves is to provide a kind of structural strength height, the sucker rod anticreep of good anti-drop effect
Device.
In order to solve the above technical problems, drop-off preventer for sucker rod provided by the utility model includes：Main casing；Lengthen casing,
The lengthening casing is connected through a screw thread the main casing；Described one end for lengthening casing is equipped with the first stud, and described first
Stud coordinates the inside for being fixed on the main casing；Connector fixing pipe, the connector fixing pipe are connected through a screw thread the lengthening
Casing, and one end of the connector fixing pipe is equipped with the second stud；Second stud is fixed on the inside of the lengthening casing；
Thread groove, the thread groove are arranged on the inside of the connector fixing pipe；Oil outlet is distributed in the inner wall of the thread groove；Lubricating oil
Room, the oil chamber is by the cavity structure that is enclosed between the connector fixing pipe and the thread groove；Spongy layer, the sponge
Layer is arranged on the inside of the oil chamber, and the spongy layer fits in the oil outlet；The oil outlet and the lubricating oil
It is interconnected between room；Connector, the connector are connected through a screw thread the connector fixing pipe, and one end of the connector sets the
Three studs；The inside of the thread groove is fixed in the 3rd stud cooperation；Card slot, the card slot are arranged on the outside of the connector
At edge, and the card slot is arranged on the end of the 3rd stud；Baffle, the baffle are connected with the card slot, and described
Barrier slides connect the connector fixing pipe；Second fixed plate, second fixed plate are fixedly connected on one end of the baffle,
And second fixed plate is installed on the outer wall of the connector fixing pipe.
Preferably, the both ends of the main casing, the casing other end opposite with first stud that lengthen are equipped with
Strengthening mechanism.
Preferably, the strengthening mechanism includes the first fixed plate, the first limit hole, strut, shaft and fixed seat；It is described
Fixed seat is connected to the main casing, and the fixed seat is rotatablely connected the shaft, and the shaft is fixedly connected with the strut；
The strut is fixedly connected with first fixed plate, and the inside of first fixed plate is provided with the first limit hole.
Preferably, the outer wall for lengthening casing is provided with the second limit hole, and the lengthening casing is arranged with several.
Preferably, the rotational angle of first fixed plate is 0 ° -180 °, and the bottom surface of first fixed plate is in arc
Shape.
Preferably, the drop-off preventer for sucker rod further includes the first screw, and first screw connects first limit hole
With second limit hole.
Preferably, the drop-off preventer for sucker rod further includes the second screw, and second fixed plate is connected by the second screw
The connector fixing pipe.
Preferably, the diameter of first stud is identical with the diameter of second stud, and the length of first stud
Degree is identical with the length of second stud.
Preferably, the arc-shaped structure of the baffle, and the baffle is symmetrically set in the opening of the connector fixing pipe.
Compared with correlation technique, drop-off preventer for sucker rod provided by the utility model has the advantages that：
The utility model provides a kind of drop-off preventer for sucker rod, by increasing the baffle, energy in the connector fixing pipe
It is enough to be mutually clamped with the card slot, so as to fulfill the dual reinforcing for the connector, stud can also be stopped, prevent spiral shell
Column stripped thread effectively raises the stability of the connector；The lubrication system carried can ensure that the junction of the connector is begun
Eventually in lubricating status, so as to effectively slow down the corrosion rate of junction, the intensity of junction, dimension easy to disassemble are improved
Shield.
Description of the drawings
Fig. 1 is a kind of structure diagram of preferred embodiment of drop-off preventer for sucker rod provided by the utility model；
Fig. 2 is the strengthening mechanism structure diagram that Fig. 1 is provided；
Fig. 3 is the connector fixing pipe and joint connecting structure schematic diagram that Fig. 1 is provided；
Fig. 4 is main casing, lengthening casing and the connector fixing pipe attachment structure schematic diagram that Fig. 1 is provided.
Shown in figure：1st, main casing, 2, strengthening mechanism, the 201, first fixed plate, the 202, first limit hole, 203, strut,
204th, shaft, 205, fixed seat, 2A, the first screw, 3, lengthen casing, the 301, first stud, the 302, second limit hole, 4, connector
Fixing pipe, the 401, second stud, 402, thread groove, 403, oil chamber, 404, spongy layer, 405, oil outlet, 5, baffle, 6,
Two fixed plates, 6A, the second screw, 7, connector, the 701, the 3rd stud, 702, card slot.
Specific embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, wherein, Fig. 1 is one kind of drop-off preventer for sucker rod provided by the utility model
The structure diagram of preferred embodiment, Fig. 2 are the strengthening mechanism structure diagram that Fig. 1 is provided；Fig. 3 is that the connector that Fig. 1 is provided is consolidated
Fixed tube and joint connecting structure schematic diagram；Fig. 4 is that main casing, lengthening casing and the connector that Fig. 1 is provided fix pipe connecting structure
Schematic diagram.Drop-off preventer for sucker rod includes：Main casing 1；Casing 3 is lengthened, the lengthening casing 3 is connected through a screw thread the main casing
1；Described one end for lengthening casing 3 is equipped with the first stud 301, and the main casing 1 is fixed in first stud 301 cooperation
It is internal；Connector fixing pipe 4, the connector fixing pipe 4 are connected through a screw thread the lengthening casing 3, and the connector fixing pipe 4
One end is equipped with the second stud 401；Second stud 401 is fixed on the inside of the lengthening casing 3；Thread groove 402, the spiral shell
Groove 402 is arranged on the inside of the connector fixing pipe 4；Oil outlet 405 is distributed in the inner wall of the thread groove 402；Oil chamber
403, the oil chamber 403 is by the cavity structure that is enclosed between the connector fixing pipe 4 and the thread groove 402；Spongy layer
404, the spongy layer 404 is arranged on the inside of the oil chamber 403, and the spongy layer 404 fits in the oil outlet
405；It is interconnected between the oil outlet 405 and the oil chamber 403；Connector 7, the connector 7 are connected through a screw thread institute
Connector fixing pipe 4 is stated, and one end of the connector 7 sets the 3rd stud 701；3rd stud 701 cooperation is fixed on described
The inside of thread groove 402；Card slot 702, the card slot 702 is arranged on the outer edge of the connector 7, and the card slot 702 is arranged on
The end of 3rd stud 701；Baffle 5, the baffle 5 are connected with the card slot 702, and the baffle 5 is slided and connected
Connect the connector fixing pipe 4；Second fixed plate 6, second fixed plate 6 are fixedly connected on one end of the baffle 5, and described
Second fixed plate 6 is installed on the outer wall of the connector fixing pipe 4.
In order to enable connection is more secured, the both ends of the main casing 1, the lengthening casing 3 and first stud 301
The opposite other end is equipped with strengthening mechanism 2.
In order to enable user can increase anti-dropping device length as needed, the outer wall for lengthening casing 3 is provided with the second limit
Position hole 302, and the lengthening casing 3 is arranged with several.
In order to enable connection is more secured and more convenient, the strengthening mechanism 2 is limited including the first fixed plate 201, first
Position hole 202, strut 203, shaft 204 and fixed seat 205；The fixed seat 205 is connected to the main casing 1, the fixation
The 205 rotation connection shaft 204 of seat, and the shaft 204 is fixedly connected with the strut 203；The strut 203 is fixedly connected
First fixed plate 201, and the inside of first fixed plate 201 is provided with the first limit hole 202.
In order to enable first fixed plate 201 is bonded more close, the rotation of first fixed plate 201 with anti-dropping device
Angle is 0 ° -180 °, and the bottom surface of first fixed plate 201 is arc-shaped.
For the ease of fixation, the drop-off preventer for sucker rod further includes the first screw 2A, described in the first screw 2A connections
First limit hole 202 and second limit hole 302.
In order to increase the fastness of connection, prevent the connector 7 from loosening, the drop-off preventer for sucker rod further includes the second screw
6A, second fixed plate 6 pass through the second screw 6A connections connector fixing pipe 4.
In order to enable the main casing 1, it is described lengthening casing 3 connect it is more convenient, the diameter of first stud 301 and
The diameter of second stud 401 is identical, and the length of first stud 301 is identical with the length of second stud 401.
For the ease of dismantling the baffle 5, the 5 arc-shaped structure of baffle, and the baffle 5 is symmetrically set in the connector
The opening of fixing pipe 4.
The utility model is when in use：When mounted, need to select the institute of suitable number according to the connection length of sucker rod
It states and lengthens casing 3, then first stud 301 is screwed into the main casing 1, also lead between each lengthening casing 3
Threaded connection is crossed, rotatable first fixed plate 201, and by screw by first limit hole 202, the second limit hole
302 connect, and the connector fixing pipe 4 is finally fixed at both ends, the 3rd stud 701 of the connector 7 is screwed into
In the thread groove 402, then the baffle 5 is inserted into the card slot 702, by screw by second fixed plate 6
Mounted on the outer wall of the lengthening casing 3, at work, each ruggedized construction effectively can prevent sucker rod from coming off, described
Lubricating oil in oil chamber 403 can be immersed in the spongy layer 404, be then flowed into institute by the oil outlet 405 again
It states in thread groove 402, so as to be lubricated protection to junction, avoids junction corrosion, influence stability.
Compared with correlation technique, drop-off preventer for sucker rod provided by the utility model has the advantages that：
The utility model provides a kind of drop-off preventer for sucker rod, by increasing the baffle 5 in the connector fixing pipe 4,
It can be mutually clamped with the card slot 702, so as to fulfill the dual reinforcing for the connector 7, stud can also be stopped,
It prevents stud stripped thread, effectively raises the stability of the connector 7；The lubrication system carried can ensure the connector 7
Always in lubricating status, so as to effectively slow down the corrosion rate of junction, the intensity of junction is improved, is convenient in junction
Demolition and maintenance.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is directly or indirectly used in
Other relevant technical fields, are equally included in the patent within the scope of the utility model.
Claims (9)
1. a kind of drop-off preventer for sucker rod, which is characterized in that including：
Main casing；
Casing is lengthened, the lengthening casing is connected through a screw thread the main casing；Described one end for lengthening casing is equipped with the first spiral shell
Column, and the inside of the main casing is fixed in first stud cooperation；
Connector fixing pipe, the connector fixing pipe are connected through a screw thread the lengthening casing, and one end of the connector fixing pipe
Equipped with the second stud；Second stud is fixed on the inside of the lengthening casing；
Thread groove, the thread groove are arranged on the inside of the connector fixing pipe；Oil outlet is distributed in the inner wall of the thread groove；
Oil chamber, the oil chamber is by the cavity structure that is enclosed between the connector fixing pipe and the thread groove；
Spongy layer, the spongy layer is arranged on the inside of the oil chamber, and the spongy layer fits in the oil outlet；It is described
It is interconnected between oil outlet and the oil chamber；
Connector, the connector is connected through a screw thread the connector fixing pipe, and one end of the connector sets the 3rd stud；It is described
3rd stud coordinates the inside for being fixed on the thread groove；
Card slot, the card slot is arranged on the outer edge of the connector, and the card slot is arranged on the end of the 3rd stud；
Baffle, the baffle are connected with the card slot, and the barrier slides connect the connector fixing pipe；
Second fixed plate, second fixed plate is fixedly connected on one end of the baffle, and second fixed plate is installed on
The outer wall of the connector fixing pipe.
2. drop-off preventer for sucker rod according to claim 1, which is characterized in that the both ends of the main casing, described lengthen cover
The pipe other end opposite with first stud is equipped with strengthening mechanism.
3. drop-off preventer for sucker rod according to claim 2, which is characterized in that the strengthening mechanism include the first fixed plate,
First limit hole, strut, shaft and fixed seat；The fixed seat is connected to the main casing, the fixed seat rotation connection
The shaft, and the shaft is fixedly connected with the strut；The strut is fixedly connected with first fixed plate, and described first
The inside of fixed plate is provided with the first limit hole.
4. drop-off preventer for sucker rod according to claim 3, which is characterized in that the outer wall for lengthening casing is provided with the second limit
Position hole, and the lengthening casing is arranged with several.
5. drop-off preventer for sucker rod according to claim 4, which is characterized in that the rotational angle of first fixed plate is
0 ° -180 °, and the bottom surface of first fixed plate is arc-shaped.
6. drop-off preventer for sucker rod according to claim 4, which is characterized in that the drop-off preventer for sucker rod further includes the first spiral shell
Nail, first screw connect first limit hole and second limit hole.
7. drop-off preventer for sucker rod according to claim 6, which is characterized in that the drop-off preventer for sucker rod further includes the second spiral shell
Nail, second fixed plate connect the connector fixing pipe by the second screw.
8. drop-off preventer for sucker rod according to claim 7, which is characterized in that the diameter of first stud and described second
The diameter of stud is identical, and the length of first stud is identical with the length of second stud.
9. according to the drop-off preventer for sucker rod any one of claim 1-8, which is characterized in that the arc-shaped knot of baffle
Structure, and the baffle is symmetrically set in the opening of the connector fixing pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721401817.5U CN207406285U (en) | 2017-10-26 | 2017-10-26 | Drop-off preventer for sucker rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721401817.5U CN207406285U (en) | 2017-10-26 | 2017-10-26 | Drop-off preventer for sucker rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207406285U true CN207406285U (en) | 2018-05-25 |
Family
ID=62408072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721401817.5U Active CN207406285U (en) | 2017-10-26 | 2017-10-26 | Drop-off preventer for sucker rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207406285U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519137A (en) * | 2018-11-30 | 2019-03-26 | 四川圣诺油气工程技术服务有限公司 | A kind of downhole-choke release tool |
-
2017
- 2017-10-26 CN CN201721401817.5U patent/CN207406285U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519137A (en) * | 2018-11-30 | 2019-03-26 | 四川圣诺油气工程技术服务有限公司 | A kind of downhole-choke release tool |
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| GR01 | Patent grant |