CN208749306U - A kind of stainless steel Anti-corrosion sucker rod - Google Patents
A kind of stainless steel Anti-corrosion sucker rod Download PDFInfo
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- CN208749306U CN208749306U CN201821349556.1U CN201821349556U CN208749306U CN 208749306 U CN208749306 U CN 208749306U CN 201821349556 U CN201821349556 U CN 201821349556U CN 208749306 U CN208749306 U CN 208749306U
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Abstract
The utility model provides a kind of stainless steel Anti-corrosion sucker rod, including the body of rod, and the both ends of the body of rod are respectively arranged with head, further includes connector I and connector II, external screw thread is provided in head, connector I and connector II are threadedly coupled with the head at body of rod both ends respectively.It is respectively arranged with annular shoulder on the inside of two heads, cooperation male cone (strobilus masculinus), connector I and connector II are provided on annular shoulder close to one end of annular shoulder and is respectively arranged with cooperation inner conical surface, cooperation male cone (strobilus masculinus) and cooperation inner conical surface corresponding matching.The utility model structure is simple, and design rationally, can either meet the heading needs of stainless steel, also can be realized annular shoulder contact with connector I and connector II preload, guarantees the tightness of connection, prevent to loosen, be worthy to be popularized.
Description
Technical field
The utility model relates to petroleum machinery oil production equipment, specifically a kind of stainless steel Anti-corrosion sucker rod.
Background technique
Sucker rod is to be concerned as the critical component in petroleum machinery oil production equipment system, function, performance requirement
Focus.Since well liquid contains salt water or carbon dioxide or corrosion-causing bacteria in oil well, sucker rod will receive different degrees of corruption
Erosion destroys, the material according to the better stainless steel of Corrosion Protection as sucker rod, due to the hot upset forging of stainless steel material
Bad, forging deformation amount is larger, it is not easy to which upsetting goes out qualified head.Here it is problems of the prior art.
Utility model content
The purpose of this utility model is exactly in order to solve the problems existing in the prior art, and to devise a kind of stainless steel anti-corrosion
Sucker rod, simple structure and reasonable design can either enhance its Corrosion Protection, also be able to satisfy the upsetting demand of stainless steel, upsetting
Qualified head out.
The technical solution of the utility model are as follows: the utility model provides a kind of stainless steel Anti-corrosion sucker rod, including the body of rod,
The both ends of the body of rod are respectively arranged with head, further include connector I and connector II, external screw thread is provided in the head, described
Connector I and connector II are threadedly coupled with the head at body of rod both ends respectively, are respectively arranged with annular shoulder on the inside of two heads, institute
It states and is provided with cooperation male cone (strobilus masculinus) on annular shoulder, the connector I and connector II are respectively arranged with close to one end of annular shoulder and match
Close inner conical surface, the cooperation male cone (strobilus masculinus) and cooperation inner conical surface corresponding matching.
The cone angle of above-mentioned cooperation inner conical surface is set as 15 ° ~ 75 °, and the cone angle of the cooperation male cone (strobilus masculinus) is set as 15 ° ~ 75 °.
Above-mentioned connector I uses pin end, and the pin end includes the linkage section I and linkage section II of coaxial arrangement, the company
It connects and is provided with external screw thread in section I, the internal screw thread with head cooperation, the cooperation inner conical surface setting are provided on the linkage section II
In the outer end face of linkage section II and the junction of internal screw thread inner hole.
Above-mentioned connector II is provided with following two mode: (1) connector II uses female connector, the female connector setting
For tubular structure, the internal screw thread of head cooperation is provided on the female connector；(2) connector II uses and I structure phase of connector
With pin end, the outer end of the connector II is equipped with transition box cupling, its axis direction is provided with interior spiral shell on the transition box cupling
Line, in order to realize the connection with other components.
The technical solution of the utility model further includes that the annular shoulder is provided with spanner side's knot far from one end of head
The length of structure, the spanner square structure is more than or equal to 10mm.
Preferably, the above-mentioned body of rod, head use martensitic stain less steel.
The beneficial effects of the utility model can obtain through the above scheme: 1, the utility model simple structure and reasonable design,
By using martensitic stain less steel, it is able to ascend the antiseptic property of sucker rod, does not need to carry out dipping lacquer antirust treatment, there is ring
The advantages of guarantor, low pollution.2, the utility model can reduce annular shoulder by setting annular shoulder, connector I and connector II
Size on the basis of reducing forging deformation amount, by the cooperation of cooperation male cone (strobilus masculinus) and cooperation inner conical surface, is realized annular shoulder and is connect
First I contact with connector II pre-tightens, and guarantees the tightness of connection, prevents to loosen；3, the utility model center tap I is using public
Connector, pin end, which had both can be used, in connector II can also be used female connector, and connection is flexible and convenient, design is reasonable, be worthy to be popularized.
It can be seen that the utility model has substantive distinguishing features outstanding and significant progress compared with prior art,
The beneficial effect of implementation is also obvious.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of embodiment 1 in the utility model；
The structural schematic diagram of embodiment 2 in Fig. 2 the utility model；
Fig. 3 is the enlarged structure schematic diagram in Fig. 1 at A；
Wherein, 1 is transition box cupling, and 2 be head, and 3 be pin end, and 4 be spanner square structure, and 5 be the body of rod, and 6 be annular shoulder,
7 be linkage section II, and 8 be linkage section I, and 9 be female connector.
Specific embodiment:
The utility model in order to better understand explains in detail the embodiments of the present invention with reference to the accompanying drawing.
Specific embodiment:
Embodiment 1: the utility model provides a kind of stainless steel Anti-corrosion sucker rod, including the body of rod 5, the body of rod 5 is respectively set
The head 2 and connector I and connector II of left and right ends are provided with external screw thread in the head 2, and the connector I and connector II divide
It is not threadedly coupled with the head 2 at 5 both ends of the body of rod.The inside of two heads 2 is respectively arranged with annular shoulder 6, the annular shoulder 6
On be provided with cooperation male cone (strobilus masculinus), the connector I and connector II are respectively arranged with cooperation inner conical surface close to one end of annular shoulder 6,
The cooperation male cone (strobilus masculinus) and cooperation inner conical surface corresponding matching.To guarantee that connector I and connector II are contacted and compressed with head 2, cooperate
Inner conical surface cooperates the cone angle of male cone (strobilus masculinus) equal, and the cooperation inner conical surface, the cone angle value range for cooperating male cone (strobilus masculinus) are 15 ° ~ 75 °.
In the present embodiment, the connector I and connector II are all made of pin end 3, and the pin end 3 includes coaxial arrangement
Linkage section I 8 and linkage section II 7 are provided with external screw thread on the linkage section I 8, and the linkage section II 7 is provided with and head 2 cooperates
Internal screw thread, it is described cooperation inner conical surface be arranged in linkage section II 7 outer end face and internal screw thread inner hole junction.Outside connector II
End is equipped with transition box cupling 1, and the transition box cupling 1 is provided with internal screw thread along its axis direction.It can be realized by the design more
Connection between the section body of rod, to meet the oil well operation of different depth.
In addition, annular shoulder 6 is provided with spanner square structure 4 far from one end of head, to reduce in stainless steel forging process
Deflection, the length of spanner square structure 4 is less than conventional specification, at the same the length of the spanner square structure 4 need to meet greater than etc.
In 10mm.For the thickening amount in reduction stainless steel forging process, the deflection in forging process is reduced, in the present invention,
The diameter of annular shoulder 6 is much smaller than the diameter of conventional annular shoulder, additionally by design cooperation male cone (strobilus masculinus) and cooperation inner conical surface, connects
It can be realized between first I and annular shoulder 6 and between connector II and annular shoulder 6 and contact preload, to guarantee the fastening of connection
Property, avoid generation from loosening.Preferably, the body of rod 5, head 2 use martensitic stain less steel.
The utility model simple structure and reasonable design is able to ascend sucker rod by using the high-quality stainless steel of martensite type
Antiseptic property, do not need to carry out dipping lacquer antirust treatment, have the advantages that environmentally friendly, low pollution.In addition, passing through setting annular shoulder
6, and on the basis of reducing its size, reducing forging deformation amount, pass through design cooperation male cone (strobilus masculinus) and cooperation inner conical surface, Neng Goushi
The existing contact with connector I and connector II of annular shoulder 6 pre-tightens, and guarantees the tightness of connection, prevents to loosen, the utility model
Design rationally, is worthy to be popularized.
Embodiment 2: the present embodiment and the distinctive points of embodiment 1 are that connector I uses pin end 3, and connector II is connect using mother
First 9.Wherein, the pin end 3 includes the linkage section I 8 and linkage section II 7 of coaxial arrangement, is provided on the linkage section I 8 outer
Screw thread, the linkage section II 7 are provided with the internal screw thread cooperated with head 2, and the outer of linkage section II is arranged in the cooperation inner conical surface
The junction of end face and internal screw thread inner hole.The female connector 9 is set as tubular structure, and the female connector 9 is provided with matches with head 2
The junction of outer end face Yu internal screw thread inner hole is arranged in the internal screw thread of conjunction, the cooperation inner conical surface of the female connector 9.It is set by this
Meter can be realized connecting certainly for oil pumping club shaft, to meet the oil well operation of different depth.
The above description is not intended to limit the present invention, and the utility model is also not limited to the example above, this skill
The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in the essential scope of the utility model, are also answered
Belong to the protection scope of the utility model.
Claims (8)
1. a kind of stainless steel Anti-corrosion sucker rod, including the body of rod, the both ends of the body of rod are respectively arranged with head, it is characterised in that:
Further include connector I and connector II, be provided with external screw thread in the head, the connector I and connector II respectively with body of rod both ends
Head is threadedly coupled, and is respectively arranged with annular shoulder on the inside of two heads, cooperation male cone (strobilus masculinus) is provided on the annular shoulder,
The connector I and connector II are respectively arranged with cooperation inner conical surface, the cooperation male cone (strobilus masculinus) and cooperation close to one end of annular shoulder
Inner conical surface corresponding matching.
2. stainless steel Anti-corrosion sucker rod as described in claim 1, it is characterised in that: the cone angle of the cooperation inner conical surface is set as
15 ° ~ 75 °, the cone angle of the cooperation male cone (strobilus masculinus) is set as 15 ° ~ 75 °.
3. stainless steel Anti-corrosion sucker rod as claimed in claim 1 or 2, it is characterised in that: the connector I uses pin end, institute
The linkage section I and linkage section II that pin end includes coaxial arrangement are stated, is provided with external screw thread, the linkage section on the linkage section I
The internal screw thread with head cooperation is provided on II, the outer end face and internal screw thread inner hole of linkage section II is arranged in the cooperation inner conical surface
Junction.
4. stainless steel Anti-corrosion sucker rod as claimed in claim 3, it is characterised in that: the connector II uses female connector, described
Female connector is set as tubular structure, and the internal screw thread with head cooperation, the cooperation inner conical surface setting are provided on the female connector
In the junction of outer end face and internal screw thread inner hole.
5. stainless steel Anti-corrosion sucker rod as claimed in claim 3, it is characterised in that: the connector II uses and the connector I
The identical pin end of structure.
6. stainless steel Anti-corrosion sucker rod as claimed in claim 5, it is characterised in that: the outer end of the connector II is equipped with transition
Box cupling, the transition box cupling are provided with internal screw thread along its axis direction.
7. stainless steel Anti-corrosion sucker rod as claimed in claim 1 or 2, it is characterised in that: the annular shoulder is far from head
One end is provided with spanner square structure, and the length of the spanner square structure is more than or equal to 10mm.
8. stainless steel Anti-corrosion sucker rod as claimed in claim 1 or 2, it is characterised in that: the body of rod, head use martensite
Type stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821349556.1U CN208749306U (en) | 2018-08-21 | 2018-08-21 | A kind of stainless steel Anti-corrosion sucker rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821349556.1U CN208749306U (en) | 2018-08-21 | 2018-08-21 | A kind of stainless steel Anti-corrosion sucker rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208749306U true CN208749306U (en) | 2019-04-16 |
Family
ID=66080728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821349556.1U Active CN208749306U (en) | 2018-08-21 | 2018-08-21 | A kind of stainless steel Anti-corrosion sucker rod |
Country Status (1)
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| CN (1) | CN208749306U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025841A (en) * | 2018-08-21 | 2018-12-18 | 山东九环石油机械有限公司 | A kind of stainless steel Anti-corrosion sucker rod |
| CN111472693A (en) * | 2020-05-06 | 2020-07-31 | 中电天威（锦州）石油技术装备有限公司 | Laminated type windable oil pumping polished rod and manufacturing method and application thereof |
| CN112096305A (en) * | 2020-11-05 | 2020-12-18 | 东营市三和石油装备有限公司 | Stainless steel solid sucker rod wrapped with stainless steel and preparation method thereof |
-
2018
- 2018-08-21 CN CN201821349556.1U patent/CN208749306U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025841A (en) * | 2018-08-21 | 2018-12-18 | 山东九环石油机械有限公司 | A kind of stainless steel Anti-corrosion sucker rod |
| CN111472693A (en) * | 2020-05-06 | 2020-07-31 | 中电天威（锦州）石油技术装备有限公司 | Laminated type windable oil pumping polished rod and manufacturing method and application thereof |
| CN112096305A (en) * | 2020-11-05 | 2020-12-18 | 东营市三和石油装备有限公司 | Stainless steel solid sucker rod wrapped with stainless steel and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221229 Address after: 266100 No. 177, Zhuzhou Road, Laoshan District, Shandong, Qingdao Patentee after: NINE RING MACHINERY SHARE HOLDING CO.,LTD. Address before: 256600 No. 135 Zhangfu Road, Bincheng District, Binzhou City, Shandong Province Patentee before: Shandong Nine-Ring Petroleum Machinery Co.,Ltd. |
|
| TR01 | Transfer of patent right |