CN211598540U - Anti-corrosion coupling for sucker rod - Google Patents
Anti-corrosion coupling for sucker rod Download PDFInfo
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- CN211598540U CN211598540U CN201921990801.1U CN201921990801U CN211598540U CN 211598540 U CN211598540 U CN 211598540U CN 201921990801 U CN201921990801 U CN 201921990801U CN 211598540 U CN211598540 U CN 211598540U
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- silica gel
- ring
- gel sleeve
- coupling
- sucker rod
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Abstract
The utility model discloses an anti-corrosion coupling for sucker rod, which particularly relates to the technical field of couplings and comprises a coupling body, wherein a protection component is arranged on the coupling body; the protection assembly comprises a first silica gel sleeve and a second silica gel sleeve, the first silica gel sleeve and the second silica gel sleeve are both sleeved on the coupling body, a first connecting ring is fixedly arranged on one side, close to the second silica gel sleeve, of the first silica gel sleeve, and the first connecting ring is fixedly connected with the second silica gel sleeve on one side, close to the second silica gel sleeve. The utility model discloses a cup joint on the sucker rod at the sealing washer that first silica gel cover and second silica gel cover one side set up, later tighten up the sealing washer through cup jointing the second tight loop on the sealing washer to make the sealing washer inboard hug closely the sucker rod, make the leakproofness between sealing washer and the sucker rod very good, guaranteed corrosive material can not with this body contact of coupling, thereby make the coupling body have very good corrosion resisting property, improved life greatly.
Description
Technical Field
The utility model relates to a coupling technical field, concretely relates to anticorrosive coupling of sucker rod.
Background
The sucker rod is a slender rod piece of the pumping well, the sucker rod is connected with a polished rod, the lower part of the sucker rod is connected with an oil well pump to play a role in power transmission, and the sucker rod coupling is mainly used for connecting sucker rods and mainly solves the problem that the existing coupling is easily tired and broken due to stress concentration.
The main technical problem that the sucker rod coupling among the prior art exists when using is because the coupling does not have the safeguard measure, exposes for a long time, easily with corrosive object contact and take place to corrode, life is lower.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides an anticorrosive coupling of sucker rod to solve among the prior art because the contact receives corrosive substance contact to take place to corrode and the lower problem of life that leads to.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: an anti-corrosion coupling for a sucker rod comprises a coupling body, wherein a protection assembly is arranged on the coupling body;
the protection component comprises a first silica gel sleeve and a second silica gel sleeve which are sleeved on the coupling body, a first connecting ring is fixedly arranged on one side of the first silica gel sleeve close to the second silica gel sleeve, one side of the first connecting ring close to the second silica gel sleeve is fixedly connected with the second silica gel sleeve, the outer side of the coupling body is provided with a first limiting groove, the first connecting ring is arranged in the first limiting groove, a second limiting groove is arranged on the outer side of the first connecting ring, a first fastening ring is sleeved on the first connecting ring, the first fastening ring is arranged in the second limiting groove, the sealing rings are fixedly arranged on the sides of the first silica gel sleeve and the second silica gel sleeve far away from the first connecting ring, the third limiting groove is formed in the outer side of the sealing ring, a second fastening ring is sleeved on the sealing ring, and the second fastening ring is arranged in the third limiting groove.
Furthermore, a check ring is fixedly arranged on the inner side of the coupling body, extruding rings are arranged on two sides of the check ring, a second connecting ring is fixedly arranged on one side, close to the check ring, of each extruding ring, and a clamping ring is fixedly arranged on one side, far away from the extruding rings, of each second connecting ring.
Furthermore, the two sides of the check ring are provided with through grooves, and the second connecting ring is arranged in the through grooves.
Further, the clamping groove has all been seted up to the retaining ring both sides, the rand is located inside the clamping groove.
Furthermore, second silica gel cover one side is located to first silica gel cover, first silica gel cover and second silica gel cover pass through first clamping ring fixed connection.
Further, first silica gel cover, second silica gel cover, first coupling ring and sealing washer formula structure as an organic whole.
Further, the coupling body and the retainer ring are of an integrated structure.
Further, the extrusion ring, the second connecting ring and the clamping ring are of an integrated structure.
The utility model provides an anticorrosive coupling of sucker rod, still includes the retaining ring, the retaining ring is fixed to be located the coupling body inboard, the retaining ring both sides all are equipped with the extrusion circle.
Furthermore, a second connecting ring is fixedly arranged on one side, close to the retainer ring, of the extrusion ring, and a clamping ring is fixedly arranged on one side, far away from the extrusion ring, of the second connecting ring.
Furthermore, the two sides of the check ring are provided with through grooves, and the second connecting ring is arranged in the through grooves.
Further, the clamping groove has all been seted up to the retaining ring both sides, the rand is located inside the clamping groove.
The embodiment of the utility model provides a have following advantage:
1. the first connecting ring is clamped in a first limiting groove formed in the outer side of the coupling body, so that the first silica gel sleeve and the second silica gel sleeve are fixedly sleeved on the coupling body, the sealing ring arranged on one side of the first silica gel sleeve and one side of the second silica gel sleeve are sleeved on the sucker rod, and then the sealing ring is tightened by sleeving the second fastening ring on the sealing ring, so that the inner side of the sealing ring is tightly attached to the sucker rod, the sealing property between the sealing ring and the sucker rod is very good, corrosive substances are prevented from contacting the coupling body and further prevented from flowing into a threaded gap between the coupling body and the sucker rod, the coupling body has very good anti-corrosion performance, and the service life is greatly prolonged;
2. support tight extrusion circle through sucker rod one end to make the extrusion circle blocked between sucker rod tip and retaining ring one side, through the elasticity extrusion retaining ring and the sucker rod that extrusion circle itself has, thereby make the screw thread between coupling body and the sucker rod crowded tightly each other, thereby make the meshing frictional force between coupling body and the sucker rod bigger, make the sucker rod can not deviate from the coupling body.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
FIG. 1 is a schematic view of the overall structure of an anti-corrosion coupling for sucker rods according to an embodiment of the present invention;
FIG. 2 is an enlarged view of part A in FIG. 1 of an anti-corrosive coupling for a sucker rod according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a side view of a coupling body of an anti-corrosive coupling for sucker rods according to an embodiment of the present invention;
FIG. 4 is a schematic view of a three-dimensional structure of a seal ring of an anti-corrosion coupling for a sucker rod according to an embodiment of the present invention;
fig. 5 is the embodiment of the utility model provides a coupling body spatial structure sketch map of anticorrosive coupling of sucker rod.
In the figure: 1 coupling body, 2 protection components, 3 first silica gel cover, 4 second silica gel cover, 5 first clamping rings, 6 first spacing grooves, 7 second spacing grooves, 8 first clamping rings, 9 sealing rings, 10 third spacing grooves, 11 second clamping rings, 12 retaining rings, 13 extrusion rings, 14 second clamping rings, 15 rand, 16 through grooves, 17 draw-in grooves.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The anti-corrosion coupling for the sucker rod as shown in the attached figures 1-5 comprises a coupling body 1, wherein a protection component 2 is arranged on the coupling body 1;
the protection component 2 comprises a first silica gel sleeve 3 and a second silica gel sleeve 4, the first silica gel sleeve 3 and the second silica gel sleeve 4 are both sleeved on the coupling body 1, one side of the first silica gel sleeve 3 close to the second silica gel sleeve 4 is fixedly provided with a first connecting ring 5, one side of the first connecting ring 5 close to the second silica gel sleeve 4 is fixedly connected with the second silica gel sleeve 4, the outer side of the coupling body 1 is provided with a first limiting groove 6, the first connecting ring 5 is arranged in the first limiting groove 6, the outer side of the first connecting ring 5 is provided with a second limiting groove 7, the first connecting ring 5 is sleeved with a first fastening ring 8, the first fastening ring 8 is arranged in the second limiting groove 7, one side of the first silica gel sleeve 3 and one side of the second silica gel sleeve 4 far from the first connecting ring 5 are both fixedly provided with a sealing ring 9, the outer side of the sealing ring 9 is provided with a third limiting groove 10, a second fastening ring 11 is sleeved on the sealing ring 9, and the second fastening ring 11 is arranged inside the third limiting groove 10;
the first silica gel sleeve 3 is arranged on one side of the second silica gel sleeve 4, and the first silica gel sleeve 3 and the second silica gel sleeve 4 are fixedly connected through a first connecting ring 5 so as to fix the first silica gel sleeve 3 and the second silica gel sleeve 4;
the first silica gel sleeve 3, the second silica gel sleeve 4, the first connecting ring 5 and the sealing ring 9 are of an integrated structure so as to enhance the structural strength;
the coupling body 1 and the retainer ring 12 are of an integrated structure so as to enhance the structural strength;
the extrusion ring 13, the second connecting ring 14 and the clamping ring 15 are of an integrated structure so as to enhance the structural strength.
The implementation mode is specifically as follows: through cup jointing first silica gel cover 3 and second silica gel cover 4 in the coupling body 1 outside, connect first silica gel cover 3 and second silica gel cover 4 by first clamping ring 5, and with first clamping ring 5 card set up some first spacing grooves 6 inside the coupling body 1 outside, then cup joint first tighrening ring 8 on the first spacing groove 6, thereby make first clamping ring 5 fixed on coupling body 1, and then make first silica gel cover 3 and second silica gel cover 4 fixed cup joint on coupling body 1, cup joint on the sucker rod through sealing washer 9 that sets up in first silica gel cover 3 and second silica gel cover 4 one side, later tighten up sealing washer 9 through cup jointing second tighrening ring 11 on sealing washer 9, thereby make the inboard sucker rod of hugging closely of sealing washer 9, make the leakproofness between sealing washer 9 and the sucker rod very good.
The sucker rod anti-corrosion coupling shown in the attached figures 1 and 2 further comprises a retainer ring 12, wherein the retainer ring 12 is fixedly arranged on the inner side of the coupling body 1, and the two sides of the retainer ring 12 are both provided with extrusion rings 13;
a second connecting ring 14 is fixedly arranged on one side, close to the retainer ring 12, of the extrusion ring 13, and a clamping ring 15 is fixedly arranged on one side, far away from the extrusion ring 13, of the second connecting ring 14, so that the extrusion ring 13 can be fixed conveniently;
through grooves 16 are formed in the two sides of the retainer ring 12, and the second connecting ring 14 is arranged in the through grooves 16 so as to be convenient for connecting the extrusion ring 13 and the retainer ring 15;
The implementation mode is specifically as follows: when the sucker rod runs through the coupling body 1 and is relatively fixed with the coupling body 1 through threaded connection, one end of the sucker rod supports against the extrusion ring 13, so that the extrusion ring 13 is clamped between the end part of the sucker rod and one side of the retainer ring 12, the retainer ring 12 and the sucker rod are extruded through the elastic force of the extrusion ring 13, the threads between the coupling body 1 and the sucker rod are mutually extruded, the meshing friction force between the coupling body 1 and the sucker rod is larger, and the sucker rod cannot be separated from the coupling body 1.
The utility model discloses the theory of operation:
referring to the attached drawings 1-5 of the specification, a first connecting ring 5 is clamped inside a first limiting groove 6 formed in the outer side of a coupling body 1, a first silica gel sleeve 3 and a second silica gel sleeve 4 are fixedly sleeved on the coupling body 1, a sealing ring 9 arranged on one side of the first silica gel sleeve 3 and one side of the second silica gel sleeve 4 are sleeved on a sucker rod, and then a second fastening ring 11 is sleeved on the sealing ring 9 to tighten the sealing ring 9, so that the inner side of the sealing ring 9 is tightly attached to the sucker rod, the sealing performance between the sealing ring 9 and the sucker rod is very good, corrosive substances are guaranteed not to be contacted with the coupling body 1 and not to flow into a threaded gap between the coupling body 1 and the sucker rod, the coupling body 1 has very good corrosion resistance, and the service life is greatly prolonged;
referring to the attached fig. 1 and 2 of the specification, one end of the sucker rod abuts against the extrusion ring 13, so that the extrusion ring 13 is clamped between the end of the sucker rod and one side of the retainer ring 12, the retainer ring 12 and the sucker rod are extruded by the elastic force of the extrusion ring 13, and the threads between the coupling body 1 and the sucker rod are mutually extruded, so that the engagement friction force between the coupling body 1 and the sucker rod is larger, and the sucker rod cannot fall off the coupling body 1.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The utility model provides an anticorrosive coupling of sucker rod, includes coupling body (1), its characterized in that: the coupling body (1) is provided with a protection component (2);
the protection component (2) comprises a first silica gel sleeve (3) and a second silica gel sleeve (4), the first silica gel sleeve (3) and the second silica gel sleeve (4) are all sleeved on the coupling body (1), the first silica gel sleeve (3) is close to one side of the second silica gel sleeve (4) and is fixedly provided with a first connecting ring (5), the first connecting ring (5) is close to one side of the second silica gel sleeve (4) and is fixedly connected with the second silica gel sleeve (4), a first limiting groove (6) is formed in the outer side of the coupling body (1), the first connecting ring (5) is arranged in the first limiting groove (6), a second limiting groove (7) is formed in the outer side of the first connecting ring (5), a first fastening ring (8) is sleeved on the first connecting ring (5), the first fastening ring (8) is arranged in the second limiting groove (7), and the first silica gel sleeve (3) and the second silica gel sleeve (4) are far away from one side of the first connecting ring (5) and are all provided with a fixing ring (8) 9) And a third limiting groove (10) is formed in the outer side of the sealing ring (9), a second fastening ring (11) is sleeved on the sealing ring (9), and the second fastening ring (11) is arranged in the third limiting groove (10).
2. The anti-corrosion coupling for sucker rods of claim 1, which is characterized in that: the coupling body (1) inboard is fixed and is equipped with retaining ring (12), retaining ring (12) both sides all are equipped with extrusion circle (13), extrusion circle (13) are close to retaining ring (12) one side and are fixed and are equipped with second clamping ring (14), extrusion circle (13) one side is kept away from in second clamping ring (14) and is fixed and be equipped with rand (15).
3. The anti-corrosion coupling for sucker rods of claim 2, wherein: through grooves (16) are formed in the two sides of the retainer ring (12), and the second connecting ring (14) is arranged inside the through grooves (16).
4. The anti-corrosion coupling for sucker rods of claim 2, wherein: clamping grooves (17) are formed in the two sides of the check ring (12), and the clamping ring (15) is arranged inside the clamping grooves (17).
5. The anti-corrosion coupling for sucker rods of claim 1, which is characterized in that: the first silica gel sleeve (3) is arranged on one side of the second silica gel sleeve (4), and the first silica gel sleeve (3) and the second silica gel sleeve (4) are fixedly connected through a first connecting ring (5).
6. The anti-corrosion coupling for sucker rods of claim 1, which is characterized in that: the first silica gel sleeve (3), the second silica gel sleeve (4), the first connecting ring (5) and the sealing ring (9) are of an integrated structure.
7. The anti-corrosion coupling for sucker rods of claim 2, wherein: the coupling body (1) and the retainer ring (12) are of an integrated structure.
8. The anti-corrosion coupling for sucker rods of claim 2, wherein: the extrusion ring (13), the second connecting ring (14) and the clamping ring (15) are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990801.1U CN211598540U (en) | 2019-11-18 | 2019-11-18 | Anti-corrosion coupling for sucker rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990801.1U CN211598540U (en) | 2019-11-18 | 2019-11-18 | Anti-corrosion coupling for sucker rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211598540U true CN211598540U (en) | 2020-09-29 |
Family
ID=72588126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921990801.1U Active CN211598540U (en) | 2019-11-18 | 2019-11-18 | Anti-corrosion coupling for sucker rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211598540U (en) |
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2019
- 2019-11-18 CN CN201921990801.1U patent/CN211598540U/en active Active
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