CN202047759U - Fast joint for swabbing weighted rod - Google Patents

Fast joint for swabbing weighted rod Download PDF

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Publication number
CN202047759U
CN202047759U CN2011201622649U CN201120162264U CN202047759U CN 202047759 U CN202047759 U CN 202047759U CN 2011201622649 U CN2011201622649 U CN 2011201622649U CN 201120162264 U CN201120162264 U CN 201120162264U CN 202047759 U CN202047759 U CN 202047759U
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CN
China
Prior art keywords
pin
installing hole
vestibule
stopper slot
cylindroid
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
Application number
CN2011201622649U
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Chinese (zh)
Inventor
穆飞鹏
邓小强
李景彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changqing Downhole Operation Co of CNPC Chuanqing Drilling Engineering Co Ltd
Original Assignee
Changqing Downhole Operation Co of CNPC Chuanqing Drilling Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Changqing Downhole Operation Co of CNPC Chuanqing Drilling Engineering Co Ltd filed Critical Changqing Downhole Operation Co of CNPC Chuanqing Drilling Engineering Co Ltd
Priority to CN2011201622649U priority Critical patent/CN202047759U/en
Application granted granted Critical
Publication of CN202047759U publication Critical patent/CN202047759U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a joint, particularly a fast joint for a swabbing weighted rod, which is characterized by comprising an upper joint and a lower joint. A core space is arranged inside the upper joint and the front part of the core space is a column hole cavity. The rear part of the core space is an elliptical cylinder hole cavity. The sidewall of the column hole cavity is equipped with a first limit slot communicated with the core space of a circular hole. The inner wall of the elliptical cylinder hole cavity is equipped with an annular groove. A spring, a pintle and a pin are arranged in the column hole cavity. One end of the pintle is connected with the inner wall of the column hole cavity via the spring and the other end of the pintle is a limiting end. The central section of the pintle is equipped with a second pin installing hole. The pin passing through the first limit slot is penetrated inside the second pin installing hole on the pintle. The front end of the lower joint can extend into the elliptical cylinder inside the elliptical cylinder hole cavity of the upper joint. The short shaft of the end face of the elliptical cylinder is processed with a second limit slot. The shape of the limiting end of the pintle is matched with the shape of the second limit slot. The elliptical cylinder is rotated in the annular groove. The fast joint is more convenient and laborsaving in assembly and disassembly, which can ensure the coupling strength so as to ensure the safety during the using process.

Description

The snap joint of a kind of pumping weighted lever
Technical field
The utility model relates to a kind of joint, the snap joint of particularly a kind of pumping weighted lever.
Background technology
Pumping rope socket and heavy weight drill pipe are instruments indispensable in the pumping discharge opeing, and the pumping rope socket is the indispensable link of pumping preparatory process with connecting of heavy weight drill pipe.
Old-fashioned joint uses thread connection, though can guarantee the reliability that connects, since the design feature of himself, loaded down with trivial details, time-consuming, the effort of connection process, increase the time that pumping is prepared, and in connection process, caused rope socket and heavy weight drill pipe damage easily.
If will reduce the set-up time, reduce the damage of rope socket and weighted lever, reach time saving and energy saving purpose, just must change traditional connection pattern, design a kind of novel connecting joint.Make its installation and removal more convenient, laborsaving, shorten the time that pumping is prepared to greatest extent, can guarantee linking intensity simultaneously, guarantee the safety in the use.
Summary of the invention
The technical problems to be solved in the utility model provides the snap joint of a kind of pumping weighted lever, and its installation and removal is more convenient, laborsaving, shortens the time that pumping is prepared to greatest extent, can guarantee linking intensity simultaneously, guarantees the safety in the use.
The technical solution of the utility model is: the snap joint of a kind of pumping weighted lever, it is characterized in that: comprise top connection and lower contact, be provided with inner chamber in the top connection, the inner chamber front portion is a cylindrical vestibule, the inner chamber rear portion is the cylindroid vestibule, wherein, the cylindrical vestibule sidewall is provided with first stopper slot that communicates with the circular hole inner chamber, and cylindroid vestibule inwall is provided with annular groove; Be provided with spring, pin and pin in the cylindrical vestibule, an end of pin links to each other with the cylindrical vestibule inwall by spring, and the other end of pin is a positive stop end, and the pin middle part is provided with the second pin installing hole; Pin passes first stopper slot and penetrates in the second pin installing hole on the pin; The lower contact front end is for stretching into the cylindroid in the cylindroid vestibule in the top connection, and the minor axis place of cylindroid end face is processed with second stopper slot, and the positive stop end on the pin and the second stopper slot shape are complementary, and cylindroid can be rotated in annular groove.
Described first stopper slot is the groove that is symmetricly set in cylindrical vestibule sidewall two ends, and pin runs through the second pin installing hole and first stopper slot.
Comprise being located on the cylindrical vestibule sidewall and the first pin installing hole that communicates with first stopper slot and cylindrical hole inner chamber that the aperture of the first pin installing hole is greater than the width of first stopper slot; Described pin is a column hierarchic structure, and it penetrates the section diameter maximum in the second pin installing hole; Pin is from entering first stopper slot after the first pin installing hole inserts and penetrating in the second pin installing hole on the pin.
The described first pin installing hole is the through hole that is symmetricly set in cylindrical vestibule sidewall two ends, and first stopper slot is the groove that is symmetricly set in cylindrical vestibule sidewall two ends, and pin is the column hierarchic structure of symmetry, and runs through the second pin installing hole.
Comprise pinning, the cylindrical vestibule sidewall is provided with the first pinning installing hole, pin is provided with the second pinning installing hole that communicates with the second pin installing hole, is provided with the pinning mounting groove in the pin, and pinning penetrates the second pinning installing hole by the first pinning installing hole and enters in the mounting groove.
The cylindroid vestibule inwall of described top connection is provided with two cylindroids of twice annular groove and lower contact front end correspondence.
Technique effect of the present utility model is:
1, cooperates with first stopper slot in the top connection by position-limitting pin is installed on the pin, ensure connect after pin does not radially rotate, the while can be realized axial slip.Limited block on the pin is cooperated with second stopper slot in the lower contact, cooperate back restriction lower contact radially to rotate, realize simultaneously axially connecting reliably.Connect the back and form a locking mechanism, if pin is not moved backward, second stopper slot of limited block on the pin and lower contact can't be thrown off, and lower contact can't be rotated disengagement, thus the safety in the firm and operation process that guarantees to connect.
2, pin designs becomes the ladder symmetric shape, both can guarantee that pin connects stable and reliability in pin.Because the step portion diameter dimension maximum at pin middle part, and greater than the width dimensions of first stopper slot in the top connection, and pin can only insert the first pin installing hole from top connection, can not insert from other position or deviate from.Therefore what can guarantee again that pinning can be convenient and reliable is installed in the pinning mounting groove on the pin, and the axially-movable of restriction pin is by the spacing assurance pin of pinning firm on pin.
3, simple in structure.Building block of the present utility model is simple components, can conveniently process to obtain, and number of components is few, and annexation is simple.Be convenient to installation and removal.
4, time saving and energy saving, high efficiency.Installation and removal of the present utility model can be finished by shirtsleeve operation, have greatly improved operating efficiency.Carry out 1/4 circle after only the top and the bottom insertion of connecting joint need being cooperated in the connection process and can realize reliable connection.Thereby only need after moving the drive limited block behind the pin, move in the unloading process, can realize reverse rotation behind second stopper slot in the disengaging lower contact, thereby realize fast quick-detach.
Description of drawings
Below in conjunction with the embodiment accompanying drawing the utility model is described further:
Fig. 1 is the structural representation of the utility model when unblanking;
Fig. 2 is the structural representation of the utility model when locking;
Fig. 3 is the structural representation of top connection;
Fig. 4 is the sectional view of top connection at cylindroid vestibule place;
Fig. 5 is the structural representation of lower contact;
Fig. 6 is the sectional view of lower contact at the cylindroid place;
Fig. 7 is the front view of pin;
Fig. 8 is the left view of pin;
Fig. 9 is the vertical view of pin.
Figure 10 is the structural representation of pin.
Among the figure: 1-top connection, 2-spring, 3-pin, 4-pinning, 5-pin, 6-lower contact, 7-the first pin installing hole, 8-the first stopper slot, 9-limited block, 10-the second stopper slot, 11-cylindrical vestibule, 12-the second pin installing hole, 13-cylindroid, 14-cylindroid vestibule, 15-the first pinning installing hole, 16-the second pinning installing hole, 17-pinning mounting groove, 18-annular groove.
The specific embodiment
The utility model relates to oil gas field stimulation technology field, is one of underground work instrument commonly used in the oil gas field pumping discharge opeing operation.
Referring to Fig. 1 to Figure 10, the utility model comprises top connection 1 and lower contact 6,
Be provided with inner chamber in the top connection 1, the inner chamber front portion is a cylindrical vestibule 11, and the inner chamber rear portion is a cylindroid vestibule 14, and wherein, cylindrical vestibule 11 sidewalls are provided with first stopper slot 8 that communicates with cylindrical hole inner chamber 11, and cylindroid vestibule 14 inwalls are provided with annular groove 18; Be provided with spring 2, pin 5 and pin 3 in the cylindrical vestibule 11, an end of pin 5 links to each other with cylindrical vestibule 11 inwalls by spring 2, and the other end of pin 5 is a positive stop end 9, and pin 5 middle parts are provided with the second pin installing hole 12; Pin 3 passes the first pin installing hole 7 and first stopper slot 8 and penetrates in the second pin installing hole 12 on the pin 5; Lower contact 6 front ends are for stretching into the cylindroid 13 in the cylindroid vestibule 14 in the top connection 1, the minor axis place of cylindroid 13 end faces is processed with second stopper slot 10, positive stop end 9 on the pin 5 and second stopper slot, 10 shapes are complementary, and cylindroid 13 can be rotated in annular groove 18.
Manual control pin 3 can be symmetricly set in first stopper slot 8 at cylindrical vestibule 11 sidewall two ends for convenience, makes it become groove, simultaneously pin 3 is run through the second pin installing hole 12, can manually handle pin 3 two ends simultaneously, is convenient to control.
For pin 3 is limited in first stopper slot 8 more reliably, comprises be located on cylindrical vestibule 11 sidewalls and the aperture of the first pin installing hole, 7, the first pin installing holes 7 that communicate with first stopper slot 8 and circular hole inner chamber 11 greater than the width of first stopper slot 8; Described pin 3 is a column hierarchic structure, and it penetrates the section diameter maximum in the second pin installing hole 12; Pin 3 is from entering first stopper slot 8 after the first pin installing hole 7 inserts and penetrating in the second pin installing hole 12 on the pin 5.
Manual control pin 3 can be symmetricly set in the first pin installing hole 7 at cylindrical vestibule 11 sidewall two ends for convenience, makes it become through hole; First stopper slot 8 is symmetricly set in cylindrical vestibule 11 sidewall two ends, makes it become groove, simultaneously pin 3 is processed as the column hierarchic structure of symmetry, and runs through the second pin installing hole 12, can manually handle pin 3 two ends simultaneously, is convenient to control.
In order better pin 3 and pin 5 to be fixed together, prevent that pin 3 is when pin 5 moves in first stopper slot 8 with spring 2, in the second pin installing hole 12, horizontally slip or deviate from, the utility model also can comprise pinning 4, cylindrical vestibule 11 sidewalls are provided with the first pinning installing hole 15, pin 5 is provided with the second pinning installing hole 16 that communicates with the second pin installing hole 12, be provided with pinning mounting groove 17 in the pin 3, pinning 4 penetrates the second pinning installing hole 16 by the first pinning installing hole 15 and enters in the mounting groove 17, and is locked with carrying out rivet between pin 3 and the pin 5.For pin 5 can be free to slide, can remove the unnecessary residual fraction of pinning 4 outside pin 5 surfaces in top connection 1 inner cylinder vestibule 11.Pinning 4 both can guarantee that pin 3 connected stable and reliability in pin 5, what can guarantee again that pinning 4 can be convenient and reliable is installed in the pinning mounting groove 17 on the pin 3, the axially-movable of restriction pin 3 guarantees pins 3 firm on pin 5 by pinning 4 restriction.
In order to increase the stability after upper and lower joint rotation contacts and to increase component strength, can on cylindroid vestibule 14 inwalls of top connection 1, be provided with twice annular groove 18, and at two cylindroids 13 that are provided with of lower contact 6 front end correspondences, when locking was installed, two cylindroids 13 entered into respectively in the twice annular groove 18.
Assembling of the present utility model and locking process are as follows:
At first spring 2, pin 5 are placed to cylindrical vestibule 11, then with in the second pin installing hole 12 that is inserted into the first pin installing hole 7 of pin 3 from top connection 1 on the pin 5, again pinning 4 is penetrated the first pinning installing hole 15 in the top connection 1 and pass through to the second pinning installing hole 16 on the pin 5 and enter pinning mounting groove 17 on the pin 3.At this moment, pin 5 can only slide in first stopper slot 8 under the acting in conjunction of spring 2 and pin 3, can not radially rotate.
The cylindroid 13 of lower contact 6 is packed into from the cylindroid vestibule 14 of top connection 1 inside, after touching spacing end face 9 on the pin 5, cylindroid 13 begins to promote spacing end face 9 arrives cylindroid vestibules 14 until cylindroid 13 with compression spring 2 annular groove 18 places, this moment the spacing end face 9 on the pin 5 with cylindroid 13 end faces on second stopper slot 10 between mutual vertical, between top connection 1 and the lower contact 6 locking phenomenon can not appear, has only continuation with top connection 1 and lower contact 6 relative half-twists, it also is cylindroid 13 half-twist in the cylindroid vestibule 14 of top connection 1 inside in the lower contact 6, spacing end face 9 on the pin 5 is just understood in second stopper slot 10 that enter under the effect of spring 2 on cylindroid 13 end faces, form the locking phenomenon between top connection 1 and the lower contact 6, cylindroid 13 is axially fixed in the annular groove 18, be limited radially to rotate owing to pin 5 simultaneously, so cylindroid 13 is also radially fixing by 9 of pin 5 upper limit end faces, make to relatively rotate again between top connection 1 and the lower contact 6, thereby reach the purpose of locking.If pin 5 is not moved backward, the limited block 9 on the pin 5 can't be thrown off with second stopper slot 10 of lower contact 6, thereby also makes lower contact 6 can't rotate disengagement.Safety in the firm and operation process that can guarantee to connect by locking of the present utility model.
Unlatching of the present utility model and unloading process are as follows:
In the time that snap joint need being taken apart, remove locking earlier, and then swivel joint 1/4 encloses relatively, can unplug.Promptly by stirring pin 3 backward, compressible spring 2 moves pin 5 backward, simultaneously the spacing end face 9 on the pin 5 also with after move, make second stopper slot 10 of spacing end face 9 from lower contact 6 on the pin 5 and break away from, to realize unlatching, then top connection 1 and lower contact 6 are relatively rotated 90 °, the cylindroid in the lower contact 6 13 is extracted from the cylindroid vestibule 14 of top connection 1 inside, also be about to lower contact 6 and from top connection 1, extract, finally finish dismounting.

Claims (6)

1. pumping weighted lever snap joint, it is characterized in that: comprise top connection (1) and lower contact (6), top connection is provided with inner chamber in (1), the inner chamber front portion is cylindrical vestibule (11), the inner chamber rear portion is cylindroid vestibule (14), wherein, cylindrical vestibule (11) sidewall is provided with first stopper slot (8) that communicates with cylindrical vestibule (11), and cylindroid vestibule (14) inwall is provided with annular groove (18); Be provided with spring (2), pin (5) and pin (3) in the cylindrical vestibule (11), one end of pin (5) links to each other with cylindrical vestibule (11) inwall by spring (2), the other end of pin (5) is positive stop end (9), and pin (5) middle part is provided with the second pin installing hole (12); Pin (3) passes first stopper slot (8) and penetrates in the second pin installing hole (12) on the pin (5); Lower contact (6) front end is for stretching into the cylindroid (13) in the cylindroid vestibule (14) in the top connection (1), the minor axis place of cylindroid (13) end face is processed with second stopper slot (10), positive stop end (9) on the pin (5) is complementary with second stopper slot (10) shape, and cylindroid (13) can be rotated in annular groove (18).
2. according to the snap joint of the described a kind of pumping weighted lever of claim 1, it is characterized in that: described first stopper slot (8) is for being symmetricly set in the groove at cylindrical vestibule (11) sidewall two ends, and pin (3) runs through the second pin installing hole (12) and first stopper slot (8).
3. according to the snap joint of the described a kind of pumping weighted lever of claim 1, it is characterized in that: comprise being located on cylindrical vestibule (11) sidewall and the first pin installing hole (7) that communicates with first stopper slot (8) and cylindrical hole inner chamber (11) that the aperture of the first pin installing hole (7) is greater than the width of first stopper slot (8); Described pin (3) is a column hierarchic structure, and it penetrates the section diameter maximum in the second pin installing hole (12); Pin (3) is from entering first stopper slot (8) after the first pin installing hole (7) inserts and penetrating in the second pin installing hole (12) on the pin (5).
4. according to the snap joint of the described a kind of pumping weighted lever of claim 3, it is characterized in that: the described first pin installing hole (7) is for being symmetricly set in the through hole at cylindrical vestibule (11) sidewall two ends, first stopper slot (8) is for being symmetricly set in the groove at cylindrical vestibule (11) sidewall two ends, pin (3) is the column hierarchic structure of symmetry, and runs through the second pin installing hole (12).
5. according to the described pumping weighted lever of arbitrary claim snap joint in the claim 1 to 4, it is characterized in that: comprise pinning (4), cylindrical vestibule (11) sidewall is provided with the first pinning installing hole (15), pin (5) is provided with the second pinning installing hole (16) that communicates with the second pin installing hole (12), be provided with pinning mounting groove (17) in the pin (3), pinning (4) penetrates the second pinning installing hole (16) by the first pinning installing hole (15) and enters in the mounting groove (17).
6. according to the described pumping weighted lever of arbitrary claim snap joint in the claim 1 to 4, it is characterized in that: cylindroid vestibule (14) inwall of described top connection (1) is provided with two cylindroids (13) of twice annular groove (18) and lower contact (6) front end correspondence.
CN2011201622649U 2011-05-20 2011-05-20 Fast joint for swabbing weighted rod Expired - Fee Related CN202047759U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201622649U CN202047759U (en) 2011-05-20 2011-05-20 Fast joint for swabbing weighted rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201622649U CN202047759U (en) 2011-05-20 2011-05-20 Fast joint for swabbing weighted rod

Publications (1)

Publication Number Publication Date
CN202047759U true CN202047759U (en) 2011-11-23

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ID=44988070

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011201622649U Expired - Fee Related CN202047759U (en) 2011-05-20 2011-05-20 Fast joint for swabbing weighted rod

Country Status (1)

Country Link
CN (1) CN202047759U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104405363A (en) * 2014-10-10 2015-03-11 宝鸡金辉石油机械有限公司 Safe fast connecting mode and safe fast connector
CN111927642A (en) * 2020-05-25 2020-11-13 北京动力机械研究所 Detachable spring push rod mechanism with retaining function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104405363A (en) * 2014-10-10 2015-03-11 宝鸡金辉石油机械有限公司 Safe fast connecting mode and safe fast connector
CN111927642A (en) * 2020-05-25 2020-11-13 北京动力机械研究所 Detachable spring push rod mechanism with retaining function

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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: 20111123

Termination date: 20150520

EXPY Termination of patent right or utility model